From a0223274b97e82fe02730fd45729172511fec459 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20R=C3=B6ttsches?= <drott@chromium.org>
Date: Thu, 16 Jun 2016 14:19:39 +0200
Subject: [PATCH 0001/1326] Discard reconfigured CTFont if URL changes

Fixes https://github.com/behdad/harfbuzz/issues/267
---
 src/hb-coretext.cc | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index e64d2651a..98592af84 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -145,6 +145,7 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
     DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont() failed");
     return NULL;
   }
+  CFURLRef original_url = (CFURLRef)CTFontCopyAttribute(ct_font, kCTFontURLAttribute);
 
   /* Create font copy with cascade list that has LastResort first; this speeds up CoreText
    * font fallback which we don't need anyway. */
@@ -154,14 +155,31 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
     CFRelease (last_resort_font_desc);
     if (new_ct_font)
     {
-      CFRelease (ct_font);
-      ct_font = new_ct_font;
+      // The CTFontCreateCopyWithAttributes call fails to stay on the same font
+      // when reconfiguring the cascade list and may switch to a different font
+      // when there are fonts that go by the same name, since the descriptor is
+      // just name and size.
+
+      // Avoid reconfiguring the cascade lists if the new font is outside the
+      // system locations that we cannot access from the sandboxed renderer
+      // process in Blink. This can be detected by the new file URL location
+      // that the newly found font points to.
+      CFURLRef new_url = (CFURLRef)CTFontCopyAttribute(new_ct_font, kCTFontURLAttribute);
+      if (CFEqual(original_url, new_url)) {
+        CFRelease (ct_font);
+        ct_font = new_ct_font;
+      } else {
+        CFRelease(new_ct_font);
+        DEBUG_MSG (CORETEXT, ct_font, "Discarding reconfigured CTFont, location changed.");
+      }
+      CFRelease(new_url);
     }
     else
       DEBUG_MSG (CORETEXT, ct_font, "Font copy with empty cascade list failed");
   }
 
- return ct_font;
+  CFRelease(original_url);
+  return ct_font;
 }
 
 struct hb_coretext_shaper_face_data_t {

From 6b861dbd8b3662d0fa0e51fad1736d72192da868 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 21 Jun 2016 13:57:26 +0430
Subject: [PATCH 0002/1326] [dwrite] Use stream font loader instead GDI interop

With help of
https://dxr.mozilla.org/mozilla-central/source/gfx/2d/NativeFontResourceDWrite.cpp
---
 src/hb-directwrite.cc | 378 +++++++++++++++++-------------------------
 src/hb-directwrite.h  |   2 +-
 2 files changed, 149 insertions(+), 231 deletions(-)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 96d1870a0..f273f51b8 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -45,176 +45,172 @@
 HB_SHAPER_DATA_ENSURE_DECLARE(directwrite, face)
 HB_SHAPER_DATA_ENSURE_DECLARE(directwrite, font)
 
+
+/*
+ * DirectWrite font stream helpers
+ */
+
+// This is a font loader which provides only one font (unlike its original design).
+// For a better implementation which was also source of this
+// and DWriteFontFileStream, have a look at to NativeFontResourceDWrite.cpp in Mozilla
+class DWriteFontFileLoader : public IDWriteFontFileLoader
+{
+private:
+  IDWriteFontFileStream *mFontFileStream;
+public:
+  DWriteFontFileLoader (IDWriteFontFileStream *fontFileStream) {
+    mFontFileStream = fontFileStream;
+  }
+
+  // IUnknown interface
+  IFACEMETHOD(QueryInterface)(IID const& iid, OUT void** ppObject) { return S_OK; }
+  IFACEMETHOD_(ULONG, AddRef)() { return 1; }
+  IFACEMETHOD_(ULONG, Release)() { return 1; }
+
+  // IDWriteFontFileLoader methods
+  virtual HRESULT STDMETHODCALLTYPE CreateStreamFromKey(void const* fontFileReferenceKey,
+    UINT32 fontFileReferenceKeySize,
+    OUT IDWriteFontFileStream** fontFileStream)
+  {
+    *fontFileStream = mFontFileStream;
+    return S_OK;
+  }
+};
+
+class DWriteFontFileStream : public IDWriteFontFileStream
+{
+private:
+  uint8_t *mData;
+  uint32_t mSize;
+public:
+  DWriteFontFileStream(uint8_t *aData, uint32_t aSize)
+  {
+    mData = aData;
+    mSize = aSize;
+  }
+
+  // IUnknown interface
+  IFACEMETHOD(QueryInterface)(IID const& iid, OUT void** ppObject) { return S_OK; }
+  IFACEMETHOD_(ULONG, AddRef)() { return 1; }
+  IFACEMETHOD_(ULONG, Release)() { return 1; }
+
+  // IDWriteFontFileStream methods
+  virtual HRESULT STDMETHODCALLTYPE ReadFileFragment(void const** fragmentStart,
+    UINT64 fileOffset,
+    UINT64 fragmentSize,
+    OUT void** fragmentContext)
+  {
+    // We are required to do bounds checking.
+    if (fileOffset + fragmentSize > mSize) {
+      return E_FAIL;
+    }
+
+    // truncate the 64 bit fileOffset to size_t sized index into mData
+    size_t index = static_cast<size_t> (fileOffset);
+
+    // We should be alive for the duration of this.
+    *fragmentStart = &mData[index];
+    *fragmentContext = nullptr;
+    return S_OK;
+  }
+
+  virtual void STDMETHODCALLTYPE ReleaseFileFragment(void* fragmentContext) { }
+
+  virtual HRESULT STDMETHODCALLTYPE GetFileSize(OUT UINT64* fileSize)
+  {
+    *fileSize = mSize;
+    return S_OK;
+  }
+
+  virtual HRESULT STDMETHODCALLTYPE GetLastWriteTime(OUT UINT64* lastWriteTime)
+  {
+    return E_NOTIMPL;
+  }
+};
+
+
 /*
 * shaper face data
 */
 
 struct hb_directwrite_shaper_face_data_t {
-  HANDLE fh;
-  wchar_t face_name[LF_FACESIZE];
+  IDWriteFactory* dwriteFactory;
+  IDWriteFontFile* fontFile;
+  IDWriteFontFileLoader* fontFileLoader;
+  IDWriteFontFace* fontFace;
 };
 
-/* face_name should point to a wchar_t[LF_FACESIZE] object. */
-static void
-_hb_generate_unique_face_name(wchar_t *face_name, unsigned int *plen)
-{
-  /* We'll create a private name for the font from a UUID using a simple,
-  * somewhat base64-like encoding scheme */
-  const char *enc = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-";
-  UUID id;
-  UuidCreate ((UUID*)&id);
-  ASSERT_STATIC (2 + 3 * (16 / 2) < LF_FACESIZE);
-  unsigned int name_str_len = 0;
-  face_name[name_str_len++] = 'F';
-  face_name[name_str_len++] = '_';
-  unsigned char *p = (unsigned char *)&id;
-  for (unsigned int i = 0; i < 16; i += 2)
-  {
-    /* Spread the 16 bits from two bytes of the UUID across three chars of face_name,
-    * using the bits in groups of 5,5,6 to select chars from enc.
-    * This will generate 24 characters; with the 'F_' prefix we already provided,
-    * the name will be 26 chars (plus the NUL terminator), so will always fit within
-    * face_name (LF_FACESIZE = 32). */
-    face_name[name_str_len++] = enc[p[i] >> 3];
-    face_name[name_str_len++] = enc[((p[i] << 2) | (p[i + 1] >> 6)) & 0x1f];
-    face_name[name_str_len++] = enc[p[i + 1] & 0x3f];
-  }
-  face_name[name_str_len] = 0;
-  if (plen)
-    *plen = name_str_len;
-}
-
-/* Destroys blob. */
-static hb_blob_t *
-_hb_rename_font(hb_blob_t *blob, wchar_t *new_name)
-{
-  /* Create a copy of the font data, with the 'name' table replaced by a
-   * table that names the font with our private F_* name created above.
-   * For simplicity, we just append a new 'name' table and update the
-   * sfnt directory; the original table is left in place, but unused.
-   *
-   * The new table will contain just 5 name IDs: family, style, unique,
-   * full, PS. All of them point to the same name data with our unique name.
-   */
-
-  blob = OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (blob);
-
-  unsigned int length, new_length, name_str_len;
-  const char *orig_sfnt_data = hb_blob_get_data (blob, &length);
-
-  _hb_generate_unique_face_name (new_name, &name_str_len);
-
-  static const uint16_t name_IDs[] = { 1, 2, 3, 4, 6 };
-
-  unsigned int name_table_length = OT::name::min_size +
-    ARRAY_LENGTH(name_IDs) * OT::NameRecord::static_size +
-    name_str_len * 2; /* for name data in UTF16BE form */
-  unsigned int name_table_offset = (length + 3) & ~3;
-
-  new_length = name_table_offset + ((name_table_length + 3) & ~3);
-  void *new_sfnt_data = calloc(1, new_length);
-  if (!new_sfnt_data)
-  {
-    hb_blob_destroy (blob);
-    return NULL;
-  }
-
-  memcpy(new_sfnt_data, orig_sfnt_data, length);
-
-  OT::name &name = OT::StructAtOffset<OT::name> (new_sfnt_data, name_table_offset);
-  name.format.set (0);
-  name.count.set (ARRAY_LENGTH (name_IDs));
-  name.stringOffset.set (name.get_size());
-  for (unsigned int i = 0; i < ARRAY_LENGTH (name_IDs); i++)
-  {
-    OT::NameRecord &record = name.nameRecord[i];
-    record.platformID.set(3);
-    record.encodingID.set(1);
-    record.languageID.set(0x0409u); /* English */
-    record.nameID.set(name_IDs[i]);
-    record.length.set(name_str_len * 2);
-    record.offset.set(0);
-  }
-
-  /* Copy string data from new_name, converting wchar_t to UTF16BE. */
-  unsigned char *p = &OT::StructAfter<unsigned char>(name);
-  for (unsigned int i = 0; i < name_str_len; i++)
-  {
-    *p++ = new_name[i] >> 8;
-    *p++ = new_name[i] & 0xff;
-  }
-
-  /* Adjust name table entry to point to new name table */
-  const OT::OpenTypeFontFile &file = *(OT::OpenTypeFontFile *) (new_sfnt_data);
-  unsigned int face_count = file.get_face_count ();
-  for (unsigned int face_index = 0; face_index < face_count; face_index++)
-  {
-    /* Note: doing multiple edits (ie. TTC) can be unsafe.  There may be
-    * toe-stepping.  But we don't really care. */
-    const OT::OpenTypeFontFace &face = file.get_face (face_index);
-    unsigned int index;
-    if (face.find_table_index (HB_OT_TAG_name, &index))
-    {
-      OT::TableRecord &record = const_cast<OT::TableRecord &> (face.get_table (index));
-      record.checkSum.set_for_data (&name, name_table_length);
-      record.offset.set (name_table_offset);
-      record.length.set (name_table_length);
-    }
-    else if (face_index == 0) /* Fail if first face doesn't have 'name' table. */
-    {
-      free (new_sfnt_data);
-      hb_blob_destroy (blob);
-      return NULL;
-    }
-  }
-
-  /* The checkSumAdjustment field in the 'head' table is now wrong,
-  * but that doesn't actually seem to cause any problems so we don't
-  * bother. */
-
-  hb_blob_destroy (blob);
-  return hb_blob_create ((const char *)new_sfnt_data, new_length,
-    HB_MEMORY_MODE_WRITABLE, NULL, free);
-}
-
 hb_directwrite_shaper_face_data_t *
 _hb_directwrite_shaper_face_data_create(hb_face_t *face)
 {
   hb_directwrite_shaper_face_data_t *data =
-    (hb_directwrite_shaper_face_data_t *) calloc (1, sizeof (hb_directwrite_shaper_face_data_t));
+    (hb_directwrite_shaper_face_data_t *) malloc (sizeof (hb_directwrite_shaper_face_data_t));
   if (unlikely (!data))
     return NULL;
 
-  hb_blob_t *blob = hb_face_reference_blob (face);
-  if (unlikely (!hb_blob_get_length (blob)))
-    DEBUG_MSG(DIRECTWRITE, face, "Face has empty blob");
+  // TODO: factory and fontFileLoader should be cached separately
+  IDWriteFactory* dwriteFactory;
+  DWriteCreateFactory (
+    DWRITE_FACTORY_TYPE_SHARED,
+    __uuidof (IDWriteFactory),
+    (IUnknown**) &dwriteFactory
+  );
 
-  blob = _hb_rename_font (blob, data->face_name);
-  if (unlikely (!blob))
-  {
-    free(data);
-    return NULL;
+
+  HRESULT hr;
+  hb_blob_t* blob = hb_face_reference_blob (face);
+  IDWriteFontFileStream *fontFileStream = new DWriteFontFileStream (
+    (uint8_t*) hb_blob_get_data (blob, NULL), hb_blob_get_length (blob));
+
+  IDWriteFontFileLoader *fontFileLoader = new DWriteFontFileLoader (fontFileStream);
+  dwriteFactory->RegisterFontFileLoader (fontFileLoader);
+
+  IDWriteFontFile *fontFile;
+  uint64_t fontFileKey = 0;
+  hr = dwriteFactory->CreateCustomFontFileReference (&fontFileKey, sizeof (fontFileKey),
+      fontFileLoader, &fontFile);
+
+#define FAIL(...) \
+  HB_STMT_START { \
+    DEBUG_MSG (DIRECTWRITE, NULL, __VA_ARGS__); \
+    return false; \
+  } HB_STMT_END;
+
+  if (FAILED (hr)) {
+    FAIL ("Failed to load font file from data!");
+    return false;
   }
 
-  DWORD num_fonts_installed;
-  data->fh = AddFontMemResourceEx ((void *)hb_blob_get_data(blob, NULL),
-    hb_blob_get_length (blob),
-    0, &num_fonts_installed);
-  if (unlikely (!data->fh))
-  {
-    DEBUG_MSG (DIRECTWRITE, face, "Face AddFontMemResourceEx() failed");
-    free (data);
-    return NULL;
+  BOOL isSupported;
+  DWRITE_FONT_FILE_TYPE fileType;
+  DWRITE_FONT_FACE_TYPE faceType;
+  UINT32 numberOfFaces;
+  hr = fontFile->Analyze (&isSupported, &fileType, &faceType, &numberOfFaces);
+  if (FAILED (hr) || !isSupported) {
+    FAIL ("Font file is not supported.");
+    return false;
   }
 
+#undef FAIL
+
+  IDWriteFontFace *fontFace;
+  dwriteFactory->CreateFontFace (faceType, 1, &fontFile, 0,
+    DWRITE_FONT_SIMULATIONS_NONE, &fontFace);
+
+  data->dwriteFactory = dwriteFactory;
+  data->fontFile = fontFile;
+  data->fontFileLoader = fontFileLoader;
+  data->fontFace = fontFace;
+
   return data;
 }
 
 void
 _hb_directwrite_shaper_face_data_destroy(hb_directwrite_shaper_face_data_t *data)
 {
-  RemoveFontMemResourceEx(data->fh);
-  free(data);
+  data->dwriteFactory->UnregisterFontFileLoader (data->fontFileLoader);
+  delete data->fontFileLoader;
+  free (data);
 }
 
 
@@ -223,90 +219,27 @@ _hb_directwrite_shaper_face_data_destroy(hb_directwrite_shaper_face_data_t *data
  */
 
 struct hb_directwrite_shaper_font_data_t {
-  HDC hdc;
-  LOGFONTW log_font;
-  HFONT hfont;
 };
 
-static bool
-populate_log_font (LOGFONTW  *lf,
-       hb_font_t *font)
-{
-  memset (lf, 0, sizeof (*lf));
-  lf->lfHeight = -font->y_scale;
-  lf->lfCharSet = DEFAULT_CHARSET;
-
-  hb_face_t *face = font->face;
-  hb_directwrite_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
-
-  memcpy (lf->lfFaceName, face_data->face_name, sizeof (lf->lfFaceName));
-
-  return true;
-}
-
 hb_directwrite_shaper_font_data_t *
 _hb_directwrite_shaper_font_data_create (hb_font_t *font)
 {
   if (unlikely (!hb_directwrite_shaper_face_data_ensure (font->face))) return NULL;
 
   hb_directwrite_shaper_font_data_t *data =
-    (hb_directwrite_shaper_font_data_t *) calloc (1, sizeof (hb_directwrite_shaper_font_data_t));
+    (hb_directwrite_shaper_font_data_t *) malloc (sizeof (hb_directwrite_shaper_font_data_t));
   if (unlikely (!data))
     return NULL;
 
-  data->hdc = GetDC (NULL);
-
-  if (unlikely (!populate_log_font (&data->log_font, font)))
-  {
-    DEBUG_MSG (DIRECTWRITE, font, "Font populate_log_font() failed");
-    _hb_directwrite_shaper_font_data_destroy (data);
-    return NULL;
-  }
-
-  data->hfont = CreateFontIndirectW (&data->log_font);
-  if (unlikely (!data->hfont))
-  {
-    DEBUG_MSG (DIRECTWRITE, font, "Font CreateFontIndirectW() failed");
-    _hb_directwrite_shaper_font_data_destroy (data);
-     return NULL;
-  }
-
-  if (!SelectObject (data->hdc, data->hfont))
-  {
-    DEBUG_MSG (DIRECTWRITE, font, "Font SelectObject() failed");
-    _hb_directwrite_shaper_font_data_destroy (data);
-     return NULL;
-  }
-
   return data;
 }
 
 void
 _hb_directwrite_shaper_font_data_destroy (hb_directwrite_shaper_font_data_t *data)
 {
-  if (data->hdc)
-    ReleaseDC (NULL, data->hdc);
-  if (data->hfont)
-    DeleteObject (data->hfont);
   free (data);
 }
 
-LOGFONTW *
-hb_directwrite_font_get_logfontw (hb_font_t *font)
-{
-  if (unlikely (!hb_directwrite_shaper_font_data_ensure (font))) return NULL;
-  hb_directwrite_shaper_font_data_t *font_data =  HB_SHAPER_DATA_GET (font);
-  return &font_data->log_font;
-}
-
-HFONT
-hb_directwrite_font_get_hfont (hb_font_t *font)
-{
-  if (unlikely (!hb_directwrite_shaper_font_data_ensure (font))) return NULL;
-  hb_directwrite_shaper_font_data_t *font_data =  HB_SHAPER_DATA_GET (font);
-  return font_data->hfont;
-}
-
 
 /*
  * shaper shape_plan data
@@ -327,7 +260,7 @@ _hb_directwrite_shaper_shape_plan_data_destroy (hb_directwrite_shaper_shape_plan
 {
 }
 
-// Most of here TextAnalysis is originally written by Bas Schouten for Mozilla project
+// Most of TextAnalysis is originally written by Bas Schouten for Mozilla project
 // but now is relicensed to MIT for HarfBuzz use
 class TextAnalysis
   : public IDWriteTextAnalysisSource, public IDWriteTextAnalysisSink
@@ -581,9 +514,9 @@ protected:
   Run  mRunHead;
 };
 
-static inline uint16_t hb_uint16_swap (const uint16_t v)
+static inline uint16_t hb_uint16_swap(const uint16_t v)
 { return (v >> 8) | (v << 8); }
-static inline uint32_t hb_uint32_swap (const uint32_t v)
+static inline uint32_t hb_uint32_swap(const uint32_t v)
 { return (hb_uint16_swap(v) << 16) | hb_uint16_swap(v >> 16); }
 
 /*
@@ -600,23 +533,8 @@ _hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
   hb_face_t *face = font->face;
   hb_directwrite_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
   hb_directwrite_shaper_font_data_t *font_data = HB_SHAPER_DATA_GET (font);
-
-  // factory probably should be cached
-#ifndef HB_DIRECTWRITE_EXPERIMENTAL_JUSTIFICATION
-  IDWriteFactory* dwriteFactory;
-#else
-  IDWriteFactory1* dwriteFactory;
-#endif
-  DWriteCreateFactory (
-    DWRITE_FACTORY_TYPE_SHARED,
-    __uuidof (IDWriteFactory),
-    (IUnknown**) &dwriteFactory
-  );
-
-  IDWriteGdiInterop *gdiInterop;
-  dwriteFactory->GetGdiInterop (&gdiInterop);
-  IDWriteFontFace* fontFace;
-  gdiInterop->CreateFontFaceFromHdc (font_data->hdc, &fontFace);
+  IDWriteFactory *dwriteFactory = face_data->dwriteFactory;
+  IDWriteFontFace *fontFace = face_data->fontFace;
 
 #ifndef HB_DIRECTWRITE_EXPERIMENTAL_JUSTIFICATION
   IDWriteTextAnalyzer* analyzer;
@@ -672,7 +590,6 @@ _hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
     }
   }
 
-  HRESULT hr;
   // TODO: Handle TEST_DISABLE_OPTIONAL_LIGATURES
 
   DWRITE_READING_DIRECTION readingDirection = buffer->props.direction ? 
@@ -688,6 +605,7 @@ _hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
 
   TextAnalysis analysis(textString, textLength, NULL, readingDirection);
   TextAnalysis::Run *runHead;
+  HRESULT hr;
   hr = analysis.GenerateResults(analyzer, &runHead);
 
 #define FAIL(...) \
diff --git a/src/hb-directwrite.h b/src/hb-directwrite.h
index adf33dfe9..0e1b4799d 100644
--- a/src/hb-directwrite.h
+++ b/src/hb-directwrite.h
@@ -31,4 +31,4 @@ HB_BEGIN_DECLS
 
 HB_END_DECLS
 
-#endif /* HB_UNISCRIBE_H */
+#endif /* HB_DIRECTWRITE_H */

From f3f0ea980a359343ac0e3d359a95855c2cf7be25 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 23 Jun 2016 16:41:37 +0430
Subject: [PATCH 0003/1326] [dwrite] Remove ifdefs without breaking execution
 on old Windows versions

---
 src/hb-directwrite.cc | 209 +++++++++++++++++++++---------------------
 1 file changed, 105 insertions(+), 104 deletions(-)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index f273f51b8..c6fac4d30 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -25,11 +25,7 @@
 #define HB_SHAPER directwrite
 #include "hb-shaper-impl-private.hh"
 
-#ifndef HB_DIRECTWRITE_EXPERIMENTAL_JUSTIFICATION
-  #include <DWrite.h>
-#else
-  #include <DWrite_1.h>
-#endif
+#include <DWrite_1.h>
 
 #include "hb-directwrite.h"
 
@@ -156,7 +152,6 @@ _hb_directwrite_shaper_face_data_create(hb_face_t *face)
     (IUnknown**) &dwriteFactory
   );
 
-
   HRESULT hr;
   hb_blob_t* blob = hb_face_reference_blob (face);
   IDWriteFontFileStream *fontFileStream = new DWriteFontFileStream (
@@ -377,7 +372,8 @@ public:
 
   IFACEMETHODIMP GetLocaleName(uint32_t textPosition,
     uint32_t* textLength,
-    wchar_t const** localeName) {
+    wchar_t const** localeName)
+  {
     return S_OK;
   }
 
@@ -402,7 +398,8 @@ public:
   {
     SetCurrentRun(textPosition);
     SplitCurrentRun(textPosition);
-    while (textLength > 0) {
+    while (textLength > 0)
+    {
       Run *run = FetchNextRun(&textLength);
       run->mScript = *scriptAnalysis;
     }
@@ -435,10 +432,12 @@ protected:
     Run *origRun = mCurrentRun;
     // Split the tail if needed (the length remaining is less than the
     // current run's size).
-    if (*textLength < mCurrentRun->mTextLength) {
-      SplitCurrentRun(mCurrentRun->mTextStart + *textLength);
+    if (*textLength < mCurrentRun->mTextLength)
+    {
+      SplitCurrentRun (mCurrentRun->mTextStart + *textLength);
     }
-    else {
+    else
+    {
       // Just advance the current run.
       mCurrentRun = mCurrentRun->nextRun;
     }
@@ -455,12 +454,14 @@ protected:
     // this will usually just return early. If not, find the
     // corresponding run for the text position.
 
-    if (mCurrentRun && mCurrentRun->ContainsTextPosition(textPosition)) {
+    if (mCurrentRun && mCurrentRun->ContainsTextPosition (textPosition))
+    {
       return;
     }
 
     for (Run *run = &mRunHead; run; run = run->nextRun) {
-      if (run->ContainsTextPosition(textPosition)) {
+      if (run->ContainsTextPosition (textPosition))
+      {
         mCurrentRun = run;
         return;
       }
@@ -471,13 +472,15 @@ protected:
 
   void SplitCurrentRun(uint32_t splitPosition)
   {
-    if (!mCurrentRun) {
+    if (!mCurrentRun)
+    {
       //NS_ASSERTION(false, "SplitCurrentRun called without current run.");
       // Shouldn't be calling this when no current run is set!
       return;
     }
     // Split the current run.
-    if (splitPosition <= mCurrentRun->mTextStart) {
+    if (splitPosition <= mCurrentRun->mTextStart)
+    {
       // No need to split, already the start of a run
       // or before it. Usually the first.
       return;
@@ -514,9 +517,9 @@ protected:
   Run  mRunHead;
 };
 
-static inline uint16_t hb_uint16_swap(const uint16_t v)
+static inline uint16_t hb_uint16_swap (const uint16_t v)
 { return (v >> 8) | (v << 8); }
-static inline uint32_t hb_uint32_swap(const uint32_t v)
+static inline uint32_t hb_uint32_swap (const uint32_t v)
 { return (hb_uint16_swap(v) << 16) | hb_uint16_swap(v >> 16); }
 
 /*
@@ -536,14 +539,8 @@ _hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
   IDWriteFactory *dwriteFactory = face_data->dwriteFactory;
   IDWriteFontFace *fontFace = face_data->fontFace;
 
-#ifndef HB_DIRECTWRITE_EXPERIMENTAL_JUSTIFICATION
   IDWriteTextAnalyzer* analyzer;
   dwriteFactory->CreateTextAnalyzer(&analyzer);
-#else
-  IDWriteTextAnalyzer* analyzer0;
-  dwriteFactory->CreateTextAnalyzer (&analyzer0);
-  IDWriteTextAnalyzer1* analyzer = (IDWriteTextAnalyzer1*) analyzer0;
-#endif
 
   unsigned int scratch_size;
   hb_buffer_t::scratch_buffer_t *scratch = buffer->get_scratch_buffer (&scratch_size);
@@ -717,106 +714,110 @@ retry_getglyphs:
     return false;
   }
 
-#ifdef HB_DIRECTWRITE_EXPERIMENTAL_JUSTIFICATION
-
-  DWRITE_JUSTIFICATION_OPPORTUNITY* justificationOpportunities =
-    (DWRITE_JUSTIFICATION_OPPORTUNITY*)
-    malloc (maxGlyphCount * sizeof (DWRITE_JUSTIFICATION_OPPORTUNITY));
-  hr = analyzer->GetJustificationOpportunities (fontFace, fontEmSize,
-    runHead->mScript, textLength, glyphCount, textString, clusterMap,
-    glyphProperties, justificationOpportunities);
-
-  if (FAILED (hr))
-  {
-    FAIL ("Analyzer failed to get justification opportunities.");
-    return false;
-  }
-
   // TODO: get lineWith from somewhere
-  float lineWidth = 60000;
+  float lineWidth = 0;
 
-  float* justifiedGlyphAdvances =
-    (float*) malloc (maxGlyphCount * sizeof (float));
-  DWRITE_GLYPH_OFFSET* justifiedGlyphOffsets = (DWRITE_GLYPH_OFFSET*)
-    malloc (glyphCount * sizeof (DWRITE_GLYPH_OFFSET));
-  hr = analyzer->JustifyGlyphAdvances (lineWidth, glyphCount, justificationOpportunities,
-    glyphAdvances, glyphOffsets, justifiedGlyphAdvances, justifiedGlyphOffsets);
+  IDWriteTextAnalyzer1* analyzer1;
+  analyzer->QueryInterface (&analyzer1);
 
-  if (FAILED (hr))
+  if (analyzer1 && lineWidth)
   {
-    FAIL ("Analyzer failed to get justified glyph advances.");
-    return false;
-  }
 
-  DWRITE_SCRIPT_PROPERTIES scriptProperties;
-  hr = analyzer->GetScriptProperties (runHead->mScript, &scriptProperties);
-  if (FAILED (hr))
-  {
-    FAIL ("Analyzer failed to get script properties.");
-    return false;
-  }
-  uint32_t justificationCharacter = scriptProperties.justificationCharacter;
+    DWRITE_JUSTIFICATION_OPPORTUNITY* justificationOpportunities =
+      (DWRITE_JUSTIFICATION_OPPORTUNITY*)
+      malloc (maxGlyphCount * sizeof (DWRITE_JUSTIFICATION_OPPORTUNITY));
+    hr = analyzer1->GetJustificationOpportunities (fontFace, fontEmSize,
+      runHead->mScript, textLength, glyphCount, textString, clusterMap,
+      glyphProperties, justificationOpportunities);
 
-  // if a script justificationCharacter is not space, it can have GetJustifiedGlyphs
-  if (justificationCharacter != 32)
-  {
-retry_getjustifiedglyphs:
-    uint16_t* modifiedClusterMap = (uint16_t*) malloc (maxGlyphCount * sizeof (uint16_t));
-    uint16_t* modifiedGlyphIndices = (uint16_t*) malloc (maxGlyphCount * sizeof (uint16_t));
-    float* modifiedGlyphAdvances = (float*) malloc (maxGlyphCount * sizeof (float));
-    DWRITE_GLYPH_OFFSET* modifiedGlyphOffsets = (DWRITE_GLYPH_OFFSET*)
-      malloc (maxGlyphCount * sizeof (DWRITE_GLYPH_OFFSET));
-    uint32_t actualGlyphsCount;
-    hr = analyzer->GetJustifiedGlyphs (fontFace, fontEmSize, runHead->mScript,
+    if (FAILED (hr))
+    {
+      FAIL ("Analyzer failed to get justification opportunities.");
+      return false;
+    }
+
+    float* justifiedGlyphAdvances =
+      (float*) malloc (maxGlyphCount * sizeof (float));
+    DWRITE_GLYPH_OFFSET* justifiedGlyphOffsets = (DWRITE_GLYPH_OFFSET*)
+      malloc (glyphCount * sizeof (DWRITE_GLYPH_OFFSET));
+    hr = analyzer1->JustifyGlyphAdvances (lineWidth, glyphCount, justificationOpportunities,
+      glyphAdvances, glyphOffsets, justifiedGlyphAdvances, justifiedGlyphOffsets);
+
+    if (FAILED (hr))
+    {
+      FAIL("Analyzer failed to get justified glyph advances.");
+      return false;
+    }
+
+    DWRITE_SCRIPT_PROPERTIES scriptProperties;
+    hr = analyzer1->GetScriptProperties (runHead->mScript, &scriptProperties);
+    if (FAILED (hr))
+    {
+      FAIL("Analyzer failed to get script properties.");
+      return false;
+    }
+    uint32_t justificationCharacter = scriptProperties.justificationCharacter;
+
+    // if a script justificationCharacter is not space, it can have GetJustifiedGlyphs
+    if (justificationCharacter != 32)
+    {
+    retry_getjustifiedglyphs:
+      uint16_t* modifiedClusterMap = (uint16_t*) malloc (maxGlyphCount * sizeof(uint16_t));
+      uint16_t* modifiedGlyphIndices = (uint16_t*) malloc (maxGlyphCount * sizeof(uint16_t));
+      float* modifiedGlyphAdvances = (float*) malloc (maxGlyphCount * sizeof(float));
+      DWRITE_GLYPH_OFFSET* modifiedGlyphOffsets = (DWRITE_GLYPH_OFFSET*)
+        malloc (maxGlyphCount * sizeof (DWRITE_GLYPH_OFFSET));
+      uint32_t actualGlyphsCount;
+      hr = analyzer1->GetJustifiedGlyphs (fontFace, fontEmSize, runHead->mScript,
         textLength, glyphCount, maxGlyphCount, clusterMap, glyphIndices,
         glyphAdvances, justifiedGlyphAdvances, justifiedGlyphOffsets,
         glyphProperties, &actualGlyphsCount, modifiedClusterMap, modifiedGlyphIndices,
         modifiedGlyphAdvances, modifiedGlyphOffsets);
 
-    if (hr == HRESULT_FROM_WIN32 (ERROR_INSUFFICIENT_BUFFER))
-    {
-      maxGlyphCount = actualGlyphsCount;
-      free (modifiedClusterMap);
-      free (modifiedGlyphIndices);
-      free (modifiedGlyphAdvances);
-      free (modifiedGlyphOffsets);
+      if (hr == HRESULT_FROM_WIN32 (ERROR_INSUFFICIENT_BUFFER))
+      {
+        maxGlyphCount = actualGlyphsCount;
+        free (modifiedClusterMap);
+        free (modifiedGlyphIndices);
+        free (modifiedGlyphAdvances);
+        free (modifiedGlyphOffsets);
 
-      maxGlyphCount = actualGlyphsCount;
+        maxGlyphCount = actualGlyphsCount;
 
-      goto retry_getjustifiedglyphs;
+        goto retry_getjustifiedglyphs;
+      }
+      if (FAILED (hr))
+      {
+        FAIL ("Analyzer failed to get justified glyphs.");
+        return false;
+      }
+
+      free (clusterMap);
+      free (glyphIndices);
+      free (glyphAdvances);
+      free (glyphOffsets);
+
+      glyphCount = actualGlyphsCount;
+      clusterMap = modifiedClusterMap;
+      glyphIndices = modifiedGlyphIndices;
+      glyphAdvances = modifiedGlyphAdvances;
+      glyphOffsets = modifiedGlyphOffsets;
+
+      free (justifiedGlyphAdvances);
+      free (justifiedGlyphOffsets);
     }
-    if (FAILED (hr))
+    else
     {
-      FAIL ("Analyzer failed to get justified glyphs.");
-      return false;
+      free (glyphAdvances);
+      free (glyphOffsets);
+
+      glyphAdvances = justifiedGlyphAdvances;
+      glyphOffsets = justifiedGlyphOffsets;
     }
 
-    free (clusterMap);
-    free (glyphIndices);
-    free (glyphAdvances);
-    free (glyphOffsets);
+    free (justificationOpportunities);
 
-    glyphCount = actualGlyphsCount;
-    clusterMap = modifiedClusterMap;
-    glyphIndices = modifiedGlyphIndices;
-    glyphAdvances = modifiedGlyphAdvances;
-    glyphOffsets = modifiedGlyphOffsets;
-
-    free(justifiedGlyphAdvances);
-    free(justifiedGlyphOffsets);
   }
-  else
-  {
-    free(glyphAdvances);
-    free(glyphOffsets);
-
-    glyphAdvances = justifiedGlyphAdvances;
-    glyphOffsets = justifiedGlyphOffsets;
-  }
-
-  free(justificationOpportunities);
-
-#endif
 
   /* Ok, we've got everything we need, now compose output buffer,
    * very, *very*, carefully! */

From be565d17141818e006aa1e4582f3ae14c726fa85 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 24 Jun 2016 11:42:01 +0430
Subject: [PATCH 0004/1326] [dwrite] Release allocated blob on face destroy

This reduces memory consumption of my iterated font create/destroy cycle test
significantly and makes it much better than uniscribe backend even
---
 src/hb-directwrite.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index c6fac4d30..a74e31833 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -134,6 +134,7 @@ struct hb_directwrite_shaper_face_data_t {
   IDWriteFontFile* fontFile;
   IDWriteFontFileLoader* fontFileLoader;
   IDWriteFontFace* fontFace;
+  hb_blob_t* faceBlob;
 };
 
 hb_directwrite_shaper_face_data_t *
@@ -153,7 +154,7 @@ _hb_directwrite_shaper_face_data_create(hb_face_t *face)
   );
 
   HRESULT hr;
-  hb_blob_t* blob = hb_face_reference_blob (face);
+  hb_blob_t *blob = hb_face_reference_blob (face);
   IDWriteFontFileStream *fontFileStream = new DWriteFontFileStream (
     (uint8_t*) hb_blob_get_data (blob, NULL), hb_blob_get_length (blob));
 
@@ -196,6 +197,7 @@ _hb_directwrite_shaper_face_data_create(hb_face_t *face)
   data->fontFile = fontFile;
   data->fontFileLoader = fontFileLoader;
   data->fontFace = fontFace;
+  data->faceBlob = blob;
 
   return data;
 }
@@ -205,6 +207,7 @@ _hb_directwrite_shaper_face_data_destroy(hb_directwrite_shaper_face_data_t *data
 {
   data->dwriteFactory->UnregisterFontFileLoader (data->fontFileLoader);
   delete data->fontFileLoader;
+  hb_blob_destroy (data->faceBlob);
   free (data);
 }
 

From 07b724f3419a28c479cd8a75ae0eecb841a6d2f3 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 24 Jun 2016 12:23:25 +0430
Subject: [PATCH 0005/1326] [dwrite] Delete remained objects

No longer noticeable memory increase on create/destroy iterations,
highly better than current state of uniscribe backend
---
 src/hb-directwrite.cc | 33 ++++++++++++++++++++++++---------
 1 file changed, 24 insertions(+), 9 deletions(-)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index a74e31833..36b4d5d98 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -130,11 +130,12 @@ public:
 */
 
 struct hb_directwrite_shaper_face_data_t {
-  IDWriteFactory* dwriteFactory;
-  IDWriteFontFile* fontFile;
-  IDWriteFontFileLoader* fontFileLoader;
-  IDWriteFontFace* fontFace;
-  hb_blob_t* faceBlob;
+  IDWriteFactory *dwriteFactory;
+  IDWriteFontFile *fontFile;
+  IDWriteFontFileStream *fontFileStream;
+  IDWriteFontFileLoader *fontFileLoader;
+  IDWriteFontFace *fontFace;
+  hb_blob_t *faceBlob;
 };
 
 hb_directwrite_shaper_face_data_t *
@@ -195,6 +196,7 @@ _hb_directwrite_shaper_face_data_create(hb_face_t *face)
 
   data->dwriteFactory = dwriteFactory;
   data->fontFile = fontFile;
+  data->fontFileStream = fontFileStream;
   data->fontFileLoader = fontFileLoader;
   data->fontFace = fontFace;
   data->faceBlob = blob;
@@ -205,10 +207,23 @@ _hb_directwrite_shaper_face_data_create(hb_face_t *face)
 void
 _hb_directwrite_shaper_face_data_destroy(hb_directwrite_shaper_face_data_t *data)
 {
-  data->dwriteFactory->UnregisterFontFileLoader (data->fontFileLoader);
-  delete data->fontFileLoader;
-  hb_blob_destroy (data->faceBlob);
-  free (data);
+  if (data->fontFace)
+    data->fontFace->Release ();
+  if (data->fontFile)
+    data->fontFile->Release ();
+  if (data->dwriteFactory) {
+    if (data->fontFileLoader)
+      data->dwriteFactory->UnregisterFontFileLoader(data->fontFileLoader);
+    data->dwriteFactory->Release();
+  }
+  if (data->fontFileLoader)
+    delete data->fontFileLoader;
+  if (data->fontFileStream)
+    delete data->fontFileStream;
+  if (data->faceBlob)
+    hb_blob_destroy (data->faceBlob);
+  if (data)
+    free (data);
 }
 
 

From 8179ff5d7ba4a140cf6743729a22072800e98a79 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 27 Jun 2016 03:54:15 +0430
Subject: [PATCH 0006/1326] [dwrite] Don't allocate more than needed

Addressing Nikolay Sivov reviews on harfbuzz mailing list
---
 src/hb-directwrite.cc | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 36b4d5d98..09889d04e 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -664,11 +664,11 @@ _hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
     (const DWRITE_TYPOGRAPHIC_FEATURES*) &singleFeatures;
   const uint32_t featureRangeLengths[] = { textLength };
 
-retry_getglyphs:
-  uint16_t* clusterMap = (uint16_t*) malloc (maxGlyphCount * sizeof (uint16_t));
-  uint16_t* glyphIndices = (uint16_t*) malloc (maxGlyphCount * sizeof (uint16_t));
+  uint16_t* clusterMap = (uint16_t*) malloc (textLength * sizeof (uint16_t));
   DWRITE_SHAPING_TEXT_PROPERTIES* textProperties = (DWRITE_SHAPING_TEXT_PROPERTIES*)
-    malloc (maxGlyphCount * sizeof (DWRITE_SHAPING_TEXT_PROPERTIES));
+    malloc (textLength * sizeof (DWRITE_SHAPING_TEXT_PROPERTIES));
+retry_getglyphs:
+  uint16_t* glyphIndices = (uint16_t*) malloc (maxGlyphCount * sizeof (uint16_t));
   DWRITE_SHAPING_GLYPH_PROPERTIES* glyphProperties = (DWRITE_SHAPING_GLYPH_PROPERTIES*)
     malloc (maxGlyphCount * sizeof (DWRITE_SHAPING_GLYPH_PROPERTIES));
 
@@ -679,9 +679,7 @@ retry_getglyphs:
 
   if (unlikely (hr == HRESULT_FROM_WIN32 (ERROR_INSUFFICIENT_BUFFER)))
   {
-    free (clusterMap);
     free (glyphIndices);
-    free (textProperties);
     free (glyphProperties);
 
     maxGlyphCount *= 2;
@@ -779,10 +777,10 @@ retry_getglyphs:
     // if a script justificationCharacter is not space, it can have GetJustifiedGlyphs
     if (justificationCharacter != 32)
     {
+      uint16_t* modifiedClusterMap = (uint16_t*) malloc (textLength * sizeof (uint16_t));
     retry_getjustifiedglyphs:
-      uint16_t* modifiedClusterMap = (uint16_t*) malloc (maxGlyphCount * sizeof(uint16_t));
-      uint16_t* modifiedGlyphIndices = (uint16_t*) malloc (maxGlyphCount * sizeof(uint16_t));
-      float* modifiedGlyphAdvances = (float*) malloc (maxGlyphCount * sizeof(float));
+      uint16_t* modifiedGlyphIndices = (uint16_t*) malloc (maxGlyphCount * sizeof (uint16_t));
+      float* modifiedGlyphAdvances = (float*) malloc (maxGlyphCount * sizeof (float));
       DWRITE_GLYPH_OFFSET* modifiedGlyphOffsets = (DWRITE_GLYPH_OFFSET*)
         malloc (maxGlyphCount * sizeof (DWRITE_GLYPH_OFFSET));
       uint32_t actualGlyphsCount;
@@ -795,7 +793,6 @@ retry_getglyphs:
       if (hr == HRESULT_FROM_WIN32 (ERROR_INSUFFICIENT_BUFFER))
       {
         maxGlyphCount = actualGlyphsCount;
-        free (modifiedClusterMap);
         free (modifiedGlyphIndices);
         free (modifiedGlyphAdvances);
         free (modifiedGlyphOffsets);

From ae9054c740631e36b7582b44c5afb42ff4509461 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 28 Jun 2016 21:14:38 -0700
Subject: [PATCH 0007/1326] Revert "use utf32"

---
 src/sample.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/sample.py b/src/sample.py
index cfbc12265..19a4fdcbc 100755
--- a/src/sample.py
+++ b/src/sample.py
@@ -20,7 +20,6 @@ def tounicode(s, encoding='utf-8'):
 
 fontdata = open (sys.argv[1], 'rb').read ()
 text = tounicode(sys.argv[2])
-codepoints = list(map(ord, text))
 # Need to create GLib.Bytes explicitly until this bug is fixed:
 # https://bugzilla.gnome.org/show_bug.cgi?id=729541
 blob = hb.glib_blob_create (GLib.Bytes.new (fontdata))
@@ -40,7 +39,7 @@ class Debugger(object):
 		return True
 debugger = Debugger()
 hb.buffer_set_message_func (buf, debugger.message, 1, 0)
-hb.buffer_add_utf32 (buf, codepoints, 0, len(codepoints))
+hb.buffer_add_utf8 (buf, text.encode('utf-8'), 0, -1)
 hb.buffer_guess_segment_properties (buf)
 
 hb.shape (font, buf, [])

From 70e72e5f61d73c33d3c8f3bf07f5a9afd0db046a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 28 Jun 2016 21:00:37 -0700
Subject: [PATCH 0008/1326] [gobject] Fix a few warnings

Part of https://github.com/behdad/harfbuzz/issues/277
---
 src/hb-buffer.cc         |  2 +-
 src/hb-gobject-structs.h | 12 ++++++++++++
 src/hb-shape.cc          |  2 --
 src/hb-unicode.h         | 15 ---------------
 4 files changed, 13 insertions(+), 18 deletions(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 406db9c84..4552d15cd 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -52,7 +52,7 @@
  *
  * Checks the equality of two #hb_segment_properties_t's.
  *
- * Return value: (transfer full):
+ * Return value:
  * %true if all properties of @a equal those of @b, false otherwise.
  *
  * Since: 0.9.7
diff --git a/src/hb-gobject-structs.h b/src/hb-gobject-structs.h
index 0ea3b12cf..1c303219b 100644
--- a/src/hb-gobject-structs.h
+++ b/src/hb-gobject-structs.h
@@ -41,30 +41,40 @@ HB_BEGIN_DECLS
 /* Object types */
 
 /**
+ * hb_gobject_blob_get_type:
+ *
  * Since: 0.9.2
  **/
 HB_EXTERN GType hb_gobject_blob_get_type (void);
 #define HB_GOBJECT_TYPE_BLOB (hb_gobject_blob_get_type ())
 
 /**
+ * hb_gobject_buffer_get_type:
+ *
  * Since: 0.9.2
  **/
 HB_EXTERN GType hb_gobject_buffer_get_type (void);
 #define HB_GOBJECT_TYPE_BUFFER (hb_gobject_buffer_get_type ())
 
 /**
+ * hb_gobject_face_get_type:
+ *
  * Since: 0.9.2
  **/
 HB_EXTERN GType hb_gobject_face_get_type (void);
 #define HB_GOBJECT_TYPE_FACE (hb_gobject_face_get_type ())
 
 /**
+ * hb_gobject_font_get_type:
+ *
  * Since: 0.9.2
  **/
 HB_EXTERN GType hb_gobject_font_get_type (void);
 #define HB_GOBJECT_TYPE_FONT (hb_gobject_font_get_type ())
 
 /**
+ * hb_gobject_font_funcs_get_type:
+ *
  * Since: 0.9.2
  **/
 HB_EXTERN GType hb_gobject_font_funcs_get_type (void);
@@ -77,6 +87,8 @@ HB_EXTERN GType hb_gobject_shape_plan_get_type (void);
 #define HB_GOBJECT_TYPE_SHAPE_PLAN (hb_gobject_shape_plan_get_type ())
 
 /**
+ * hb_gobject_unicode_funcs_get_type:
+ *
  * Since: 0.9.2
  **/
 HB_EXTERN GType hb_gobject_unicode_funcs_get_type (void);
diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index 352d42c83..41a4fc500 100644
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -394,8 +394,6 @@ hb_shape_full (hb_font_t          *font,
  * positioned glyphs. If @features is not %NULL, it will be used to control the
  * features applied during shaping.
  *
- * Return value: %FALSE if all shapers failed, %TRUE otherwise
- *
  * Since: 0.9.2
  **/
 void
diff --git a/src/hb-unicode.h b/src/hb-unicode.h
index 6a15cb00c..2657f4813 100644
--- a/src/hb-unicode.h
+++ b/src/hb-unicode.h
@@ -449,33 +449,18 @@ HB_EXTERN hb_script_t
 hb_unicode_script (hb_unicode_funcs_t *ufuncs,
 		   hb_codepoint_t unicode);
 
-/**
- * hb_unicode_compose:
- *
- * Since: 0.9.2
- **/
 HB_EXTERN hb_bool_t
 hb_unicode_compose (hb_unicode_funcs_t *ufuncs,
 		    hb_codepoint_t      a,
 		    hb_codepoint_t      b,
 		    hb_codepoint_t     *ab);
 
-/**
- * hb_unicode_decompose:
- *
- * Since: 0.9.2
- **/
 HB_EXTERN hb_bool_t
 hb_unicode_decompose (hb_unicode_funcs_t *ufuncs,
 		      hb_codepoint_t      ab,
 		      hb_codepoint_t     *a,
 		      hb_codepoint_t     *b);
 
-/**
- * hb_unicode_decompose_compatibility:
- *
- * Since: 0.9.2
- **/
 HB_EXTERN unsigned int
 hb_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs,
 				    hb_codepoint_t      u,

From fc9de44a03a97f6e93bd98d804596cb1f9f4b5fd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 30 Jun 2016 09:46:52 -0700
Subject: [PATCH 0009/1326] Comments

---
 src/hb-coretext.cc | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 98592af84..db6d2aa14 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -155,15 +155,15 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
     CFRelease (last_resort_font_desc);
     if (new_ct_font)
     {
-      // The CTFontCreateCopyWithAttributes call fails to stay on the same font
-      // when reconfiguring the cascade list and may switch to a different font
-      // when there are fonts that go by the same name, since the descriptor is
-      // just name and size.
-
-      // Avoid reconfiguring the cascade lists if the new font is outside the
-      // system locations that we cannot access from the sandboxed renderer
-      // process in Blink. This can be detected by the new file URL location
-      // that the newly found font points to.
+      /* The CTFontCreateCopyWithAttributes call fails to stay on the same font
+       * when reconfiguring the cascade list and may switch to a different font
+       * when there are fonts that go by the same name, since the descriptor is
+       * just name and size.
+       *
+       * Avoid reconfiguring the cascade lists if the new font is outside the
+       * system locations that we cannot access from the sandboxed renderer
+       * process in Blink. This can be detected by the new file URL location
+       * that the newly found font points to. */
       CFURLRef new_url = (CFURLRef)CTFontCopyAttribute(new_ct_font, kCTFontURLAttribute);
       if (CFEqual(original_url, new_url)) {
         CFRelease (ct_font);

From d3e2a06b0f2587e913a9c3ff1a20c187f260db80 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 30 Jun 2016 11:01:22 -0700
Subject: [PATCH 0010/1326] [python] Use utf-32 / utf-16 based on build of
 Python

Fixes https://github.com/behdad/harfbuzz/pull/271
---
 src/sample.py | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/sample.py b/src/sample.py
index 19a4fdcbc..c2cb94d53 100755
--- a/src/sample.py
+++ b/src/sample.py
@@ -3,6 +3,7 @@
 
 from __future__ import print_function
 import sys
+import array
 from gi.repository import HarfBuzz as hb
 from gi.repository import GLib
 
@@ -39,7 +40,26 @@ class Debugger(object):
 		return True
 debugger = Debugger()
 hb.buffer_set_message_func (buf, debugger.message, 1, 0)
-hb.buffer_add_utf8 (buf, text.encode('utf-8'), 0, -1)
+
+##
+## Add text to buffer
+##
+#
+# See https://github.com/behdad/harfbuzz/pull/271
+#
+if False:
+	# If you do not care about cluster values reflecting Python
+	# string indices, then this is quickest way to add text to
+	# buffer:
+	hb.buffer_add_utf8 (buf, text.encode('utf-8'), 0, -1)
+	# Otherwise, then following handles both narrow and wide
+	# Python builds:
+elif sys.maxunicode == 0x10FFFF:
+	hb.buffer_add_utf32 (buf, array.array('I', text.encode('utf-32')), 0, -1)
+else:
+	hb.buffer_add_utf16 (buf, array.array('H', text.encode('utf-16')), 0, -1)
+
+
 hb.buffer_guess_segment_properties (buf)
 
 hb.shape (font, buf, [])

From e4d451ee55a57e1231b4076fcd1e87994f6b9528 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Sat, 2 Jul 2016 00:04:57 +0200
Subject: [PATCH 0011/1326] [introspection] Fix hb_tag_from_string annotation

---
 src/hb-common.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 5ef832c00..3564e4355 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -88,7 +88,7 @@ hb_tag_from_string (const char *str, int len)
 /**
  * hb_tag_to_string:
  * @tag: 
- * @buf: (array fixed-size=4): 
+ * @buf: (out caller-allocates) (array fixed-size=4) (element-type uint8_t): 
  *
  * 
  *

From 0b8f3ab0220ca4731516313828515f26bb480645 Mon Sep 17 00:00:00 2001
From: Steve Lhomme <slhomme@matroska.org>
Date: Mon, 11 Jul 2016 21:57:26 +0200
Subject: [PATCH 0012/1326] clang in MSVC mode doesn't like when we redefine
 __attribute__ (#283)

---
 src/hb-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index d58a695c4..c45be6f2f 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -83,7 +83,7 @@ extern "C" void  hb_free_impl(void *ptr);
 #define unlikely(expr) (expr)
 #endif
 
-#ifndef __GNUC__
+#if !defined(__GNUC__) && !defined(__clang__)
 #undef __attribute__
 #define __attribute__(x)
 #endif

From 6bf9db4f1e1d51f9acb5e37b89caa8f4d275e7ce Mon Sep 17 00:00:00 2001
From: Birunthan Mohanathas <birunthan@mohanathas.com>
Date: Mon, 11 Jul 2016 13:38:23 -0700
Subject: [PATCH 0013/1326] [ft] Fix unsafe cast of FT_Done_Face in
 hb_ft_{face,font}_create_referenced (#289)

Prior to this change the function `FT_Error FT_Done_Face(FT_Face *)` was
called through a pointer with the signature `void (void *)` resulting in
undefined behaviour.
---
 src/hb-ft.cc | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 2cad8c264..6c6749c1d 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -89,11 +89,17 @@ _hb_ft_font_create (FT_Face ft_face, bool unref)
   return ft_font;
 }
 
+static void
+_hb_ft_face_destroy (FT_Face ft_face)
+{
+  FT_Done_Face (ft_face);
+}
+
 static void
 _hb_ft_font_destroy (hb_ft_font_t *ft_font)
 {
   if (ft_font->unref)
-    FT_Done_Face (ft_font->ft_face);
+    _hb_ft_face_destroy (ft_font->ft_face);
 
   free (ft_font);
 }
@@ -526,7 +532,7 @@ hb_face_t *
 hb_ft_face_create_referenced (FT_Face ft_face)
 {
   FT_Reference_Face (ft_face);
-  return hb_ft_face_create (ft_face, (hb_destroy_func_t) FT_Done_Face);
+  return hb_ft_face_create (ft_face, (hb_destroy_func_t) _hb_ft_face_destroy);
 }
 
 static void
@@ -606,7 +612,7 @@ hb_font_t *
 hb_ft_font_create_referenced (FT_Face ft_face)
 {
   FT_Reference_Face (ft_face);
-  return hb_ft_font_create (ft_face, (hb_destroy_func_t) FT_Done_Face);
+  return hb_ft_font_create (ft_face, (hb_destroy_func_t) _hb_ft_face_destroy);
 }
 
 

From 874421203e0161db2cbfb27be6c039cba57f7c63 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 12 Jul 2016 03:49:21 +0430
Subject: [PATCH 0014/1326] [coretext] Speculative fix for CoreText nullptr
 access (#288)

---
 src/hb-coretext.cc | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index db6d2aa14..f4d9716e9 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -164,21 +164,25 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
        * system locations that we cannot access from the sandboxed renderer
        * process in Blink. This can be detected by the new file URL location
        * that the newly found font points to. */
-      CFURLRef new_url = (CFURLRef)CTFontCopyAttribute(new_ct_font, kCTFontURLAttribute);
-      if (CFEqual(original_url, new_url)) {
+      CFURLRef new_url = (CFURLRef) CTFontCopyAttribute (new_ct_font, kCTFontURLAttribute);
+      // Keep reconfigured font if URL cannot be retrieved (seems to be the case
+      // on Mac OS 10.12 Sierra), speculative fix for crbug.com/625606
+      if (!original_url || !new_url || CFEqual (original_url, new_url)) {
         CFRelease (ct_font);
         ct_font = new_ct_font;
       } else {
-        CFRelease(new_ct_font);
+        CFRelease (new_ct_font);
         DEBUG_MSG (CORETEXT, ct_font, "Discarding reconfigured CTFont, location changed.");
       }
-      CFRelease(new_url);
+      if (new_url)
+        CFRelease (new_url);
     }
     else
       DEBUG_MSG (CORETEXT, ct_font, "Font copy with empty cascade list failed");
   }
 
-  CFRelease(original_url);
+  if (original_url)
+    CFRelease (original_url);
   return ct_font;
 }
 

From f80c34eb556d12c45c961d6742c289baef58899d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 12 Jul 2016 11:18:26 -0700
Subject: [PATCH 0015/1326] Whitespace

---
 src/hb-unicode-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index 0cb99f0a0..a4d118b6d 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -182,8 +182,8 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
 	case 0x17: return hb_in_range (ch, 0x17B4u, 0x17B5u);
 	case 0x18: return hb_in_range (ch, 0x180Bu, 0x180Eu);
 	case 0x20: return hb_in_ranges (ch, 0x200Bu, 0x200Fu,
-							    0x202Au, 0x202Eu,
-							    0x2060u, 0x206Fu);
+					    0x202Au, 0x202Eu,
+					    0x2060u, 0x206Fu);
 	case 0xFE: return hb_in_range (ch, 0xFE00u, 0xFE0Fu) || ch == 0xFEFFu;
 	case 0xFF: return hb_in_range (ch, 0xFFF0u, 0xFFF8u);
 	default: return false;

From 6363d7df28dc4307ef1abb9857d14c35e656b85a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 20 Jul 2016 01:43:56 -0700
Subject: [PATCH 0016/1326] Clean up buffer area when rewinding

Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=614647
If allocation fails, we might be leaving junk behind.  At least
clear it up.
---
 src/hb-buffer.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 4552d15cd..3940a3dbf 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -183,6 +183,12 @@ hb_buffer_t::shift_forward (unsigned int count)
   if (unlikely (!ensure (len + count))) return false;
 
   memmove (info + idx + count, info + idx, (len - idx) * sizeof (info[0]));
+  if (idx + count > len)
+  {
+    /* Under memory failure we might expose this area.  At least
+     * clean it up.  Oh well... */
+    memset (info + len, 0, (idx + count - len) * sizeof (info[0]));
+  }
   len += count;
   idx += count;
 
@@ -426,6 +432,8 @@ hb_buffer_t::move_to (unsigned int i)
     /* Tricky part: rewinding... */
     unsigned int count = out_len - i;
 
+    /* This will blow in our face if memory allocation fails later
+     * in this same lookup... */
     if (unlikely (idx < count && !shift_forward (count + 32))) return false;
 
     assert (idx >= count);

From 34f9aa582c3a03b578c7eae3d2e8860a0bd5cb00 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 20 Jul 2016 02:35:54 -0700
Subject: [PATCH 0017/1326] Implement symbol cmap in ft and ot fonts

Fixes https://github.com/behdad/harfbuzz/issues/236
Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=627953
---
 src/hb-ft.cc      | 27 +++++++++++++++++++++----
 src/hb-ot-font.cc | 50 +++++++++++++++++++++++++++++++++++------------
 2 files changed, 61 insertions(+), 16 deletions(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 6c6749c1d..eaa1311d4 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -70,11 +70,12 @@ struct hb_ft_font_t
 {
   FT_Face ft_face;
   int load_flags;
+  bool symbol; /* Whether selected cmap is symbol cmap. */
   bool unref; /* Whether to destroy ft_face when done. */
 };
 
 static hb_ft_font_t *
-_hb_ft_font_create (FT_Face ft_face, bool unref)
+_hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref)
 {
   hb_ft_font_t *ft_font = (hb_ft_font_t *) calloc (1, sizeof (hb_ft_font_t));
 
@@ -82,6 +83,7 @@ _hb_ft_font_create (FT_Face ft_face, bool unref)
     return NULL;
 
   ft_font->ft_face = ft_face;
+  ft_font->symbol = symbol;
   ft_font->unref = unref;
 
   ft_font->load_flags = FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING;
@@ -171,7 +173,21 @@ hb_ft_get_nominal_glyph (hb_font_t *font HB_UNUSED,
   unsigned int g = FT_Get_Char_Index (ft_font->ft_face, unicode);
 
   if (unlikely (!g))
-    return false;
+  {
+    if (unlikely (ft_font->symbol) && unicode <= 0x00FFu)
+    {
+      /* For symbol-encoded OpenType fonts, we duplicate the
+       * U+F000..F0FF range at U+0000..U+00FF.  That's what
+       * Windows seems to do, and that's hinted about at:
+       * http://www.microsoft.com/typography/otspec/recom.htm
+       * under "Non-Standard (Symbol) Fonts". */
+      g = FT_Get_Char_Index (ft_font->ft_face, 0xF000u + unicode);
+      if (!g)
+	return false;
+    }
+    else
+      return false;
+  }
 
   *glyph = g;
   return true;
@@ -450,9 +466,11 @@ retry:
 #endif
   };
 
+  bool symbol = ft_face->charmap && ft_face->charmap->encoding == FT_ENCODING_MS_SYMBOL;
+
   hb_font_set_funcs (font,
 		     funcs,
-		     _hb_ft_font_create (ft_face, unref),
+		     _hb_ft_font_create (ft_face, symbol, unref),
 		     (hb_destroy_func_t) _hb_ft_font_destroy);
 }
 
@@ -681,7 +699,8 @@ hb_ft_font_set_funcs (hb_font_t *font)
     return;
   }
 
-  FT_Select_Charmap (ft_face, FT_ENCODING_UNICODE);
+  if (FT_Select_Charmap (ft_face, FT_ENCODING_UNICODE))
+    FT_Select_Charmap (ft_face, FT_ENCODING_MS_SYMBOL);
 
   FT_Set_Char_Size (ft_face,
 		    abs (font->x_scale), abs (font->y_scale),
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 39fc849a9..0b7e31b2d 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -215,6 +215,28 @@ static inline bool get_glyph_from (const void *obj,
   return typed_obj->get_glyph (codepoint, glyph);
 }
 
+template <typename Type>
+static inline bool get_glyph_from_symbol (const void *obj,
+					  hb_codepoint_t codepoint,
+					  hb_codepoint_t *glyph)
+{
+  const Type *typed_obj = (const Type *) obj;
+  if (likely (typed_obj->get_glyph (codepoint, glyph)))
+    return true;
+
+  if (codepoint <= 0x00FFu)
+  {
+    /* For symbol-encoded OpenType fonts, we duplicate the
+     * U+F000..F0FF range at U+0000..U+00FF.  That's what
+     * Windows seems to do, and that's hinted about at:
+     * http://www.microsoft.com/typography/otspec/recom.htm
+     * under "Non-Standard (Symbol) Fonts". */
+    return typed_obj->get_glyph (0xF000u + codepoint, glyph);
+  }
+
+  return false;
+}
+
 struct hb_ot_face_cmap_accelerator_t
 {
   hb_cmap_get_glyph_func_t get_glyph_func;
@@ -231,6 +253,7 @@ struct hb_ot_face_cmap_accelerator_t
     const OT::CmapSubtable *subtable = NULL;
     const OT::CmapSubtableFormat14 *subtable_uvs = NULL;
 
+    bool symbol = false;
     /* 32-bit subtables. */
     if (!subtable) subtable = cmap->find_subtable (3, 10);
     if (!subtable) subtable = cmap->find_subtable (0, 6);
@@ -241,7 +264,7 @@ struct hb_ot_face_cmap_accelerator_t
     if (!subtable) subtable = cmap->find_subtable (0, 2);
     if (!subtable) subtable = cmap->find_subtable (0, 1);
     if (!subtable) subtable = cmap->find_subtable (0, 0);
-    if (!subtable) subtable = cmap->find_subtable (3, 0);
+    if (!subtable)(subtable = cmap->find_subtable (3, 0)) && (symbol = true);
     /* Meh. */
     if (!subtable) subtable = &OT::Null(OT::CmapSubtable);
 
@@ -258,18 +281,21 @@ struct hb_ot_face_cmap_accelerator_t
     this->uvs_table = subtable_uvs;
 
     this->get_glyph_data = subtable;
-    switch (subtable->u.format) {
-    /* Accelerate format 4 and format 12. */
-    default: this->get_glyph_func = get_glyph_from<OT::CmapSubtable>;		break;
-    case 12: this->get_glyph_func = get_glyph_from<OT::CmapSubtableFormat12>;	break;
-    case  4:
-      {
-        this->format4_accel.init (&subtable->u.format4);
-	this->get_glyph_data = &this->format4_accel;
-        this->get_glyph_func = this->format4_accel.get_glyph_func;
+    if (unlikely (symbol))
+      this->get_glyph_func = get_glyph_from_symbol<OT::CmapSubtable>;
+    else
+      switch (subtable->u.format) {
+      /* Accelerate format 4 and format 12. */
+      default: this->get_glyph_func = get_glyph_from<OT::CmapSubtable>;		break;
+      case 12: this->get_glyph_func = get_glyph_from<OT::CmapSubtableFormat12>;	break;
+      case  4:
+	{
+	  this->format4_accel.init (&subtable->u.format4);
+	  this->get_glyph_data = &this->format4_accel;
+	  this->get_glyph_func = this->format4_accel.get_glyph_func;
+	}
+	break;
       }
-      break;
-    }
   }
 
   inline void fini (void)

From f3f6c1ccbf89e15cda03e0c3a2df4297e98adf60 Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Thu, 16 Jun 2016 00:10:42 +0100
Subject: [PATCH 0018/1326] Blacklist GDEF tables of more fonts

This is based on bug reports that have been filed against Firefox since it
updated to a version of harfbuzz that uses zeroing by GDEF rather than by
Unicode. I'm sure there are a bunch more font versions that should also be
included; these are just the ones I have on hand and have confirmed as having
bad GDEF data.

Given how the list here is growing, I think we should reconsider the approach,
and perhaps revert to zeroing by Unicode instead.

Fixes https://github.com/behdad/harfbuzz/issues/264
Fixes https://github.com/behdad/harfbuzz/pull/266
---
 src/hb-ot-layout.cc | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 29749bce7..b52c5f37e 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -93,6 +93,45 @@ _hb_ot_layout_create (hb_face_t *face)
      if (3 == layout->gdef->get_glyph_class (5))
        layout->gdef = &OT::Null(OT::GDEF);
     }
+    else if (0
+      /* sha1sum:96eda93f7d33e79962451c6c39a6b51ee893ce8c  tahoma.ttf from Windows 8 */
+      || (898 == gdef_len && 46470 == gpos_len && 12554 == gsub_len)
+      /* sha1sum:20928dc06014e0cd120b6fc942d0c3b1a46ac2bc  tahomabd.ttf from Windows 8 */
+      || (910 == gdef_len && 47732 == gpos_len && 12566 == gsub_len)
+      /* sha1sum:4f95b7e4878f60fa3a39ca269618dfde9721a79e  tahoma.ttf from Windows 8.1 */
+      || (928 == gdef_len && 59332 == gpos_len && 23298 == gsub_len)
+      /* sha1sum:6d400781948517c3c0441ba42acb309584b73033  tahomabd.ttf from Windows 8.1 */
+      || (940 == gdef_len && 60732 == gpos_len && 23310 == gsub_len)
+      /* sha1sum:e55fa2dfe957a9f7ec26be516a0e30b0c925f846  tahoma.ttf from Windows 10 */
+      || (994 == gdef_len && 60336 == gpos_len && 24474 == gsub_len)
+      /* sha1sum:7199385abb4c2cc81c83a151a7599b6368e92343  tahomabd.ttf from Windows 10 */
+      || (1006 == gdef_len && 61740 == gpos_len && 24470 == gsub_len)
+      /* sha1sum:b0d36cf5a2fbe746a3dd277bffc6756a820807a7  Tahoma.ttf from Mac OS X 10.9 */
+      || (832 == gdef_len && 47162 == gpos_len && 7324 == gsub_len)
+      /* sha1sum:12fc4538e84d461771b30c18b5eb6bd434e30fba  Tahoma Bold.ttf from Mac OS X 10.9 */
+      || (844 == gdef_len && 45474 == gpos_len && 7302 == gsub_len)
+      /* sha1sum:73da7f025b238a3f737aa1fde22577a6370f77b0  himalaya.ttf from Windows 8 */
+      || (192 == gdef_len && 7254 == gpos_len && 12638 == gsub_len)
+      /* sha1sum:6e80fd1c0b059bbee49272401583160dc1e6a427  himalaya.ttf from Windows 8.1 */
+      || (192 == gdef_len && 7254 == gpos_len && 12690 == gsub_len)
+      /* 8d9267aea9cd2c852ecfb9f12a6e834bfaeafe44  cantarell-fonts-0.0.21/otf/Cantarell-Regular.otf */
+      /* 983988ff7b47439ab79aeaf9a45bd4a2c5b9d371  cantarell-fonts-0.0.21/otf/Cantarell-Oblique.otf */
+      || (188 == gdef_len && 3852 == gpos_len && 248 == gsub_len)
+      /* 2c0c90c6f6087ffbfea76589c93113a9cbb0e75f  cantarell-fonts-0.0.21/otf/Cantarell-Bold.otf */
+      /* 55461f5b853c6da88069ffcdf7f4dd3f8d7e3e6b  cantarell-fonts-0.0.21/otf/Cantarell-Bold-Oblique.otf */
+      || (188 == gdef_len && 3426 == gpos_len && 264 == gsub_len)
+    )
+    {
+      /* Many versions of Tahoma have bad GDEF tables that incorrectly classify some spacing marks
+       * such as certain IPA symbols as glyph class 3. So do older versions of Microsoft Himalaya,
+       * and the version of Cantarell shipped by Ubuntu 16.04.
+       * Nuke the GDEF tables of these fonts to avoid unwanted width-zeroing.
+       * See https://bugzilla.mozilla.org/show_bug.cgi?id=1279925
+       *     https://bugzilla.mozilla.org/show_bug.cgi?id=1279693
+       *     https://bugzilla.mozilla.org/show_bug.cgi?id=1279875
+       */
+      layout->gdef = &OT::Null(OT::GDEF);
+    }
   }
 
   layout->gsub_lookup_count = layout->gsub->get_lookup_count ();

From 08c08af2f9ed683ad20322c3ef1ba0f87ce15426 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 21 Jul 2016 01:23:33 -0700
Subject: [PATCH 0019/1326] [ucdn] Update to Unicode 9.0.0

Fixes https://github.com/grigorig/ucdn/issues/12
---
 src/hb-ucdn.cc               |    6 +
 src/hb-ucdn/README           |    1 -
 src/hb-ucdn/ucdn.c           |   80 +-
 src/hb-ucdn/ucdn.h           |   98 +-
 src/hb-ucdn/unicodedata_db.h | 4754 +++++++++++++++++++---------------
 5 files changed, 2785 insertions(+), 2154 deletions(-)

diff --git a/src/hb-ucdn.cc b/src/hb-ucdn.cc
index b4a583324..a884e3ffd 100644
--- a/src/hb-ucdn.cc
+++ b/src/hb-ucdn.cc
@@ -154,6 +154,12 @@ static const hb_script_t ucdn_script_translate[] =
     HB_SCRIPT_MULTANI,
     HB_SCRIPT_OLD_HUNGARIAN,
     HB_SCRIPT_SIGNWRITING,
+    HB_SCRIPT_ADLAM,
+    HB_SCRIPT_BHAIKSUKI,
+    HB_SCRIPT_MARCHEN,
+    HB_SCRIPT_NEWA,
+    HB_SCRIPT_OSAGE,
+    HB_SCRIPT_TANGUT,
 };
 
 static hb_unicode_combining_class_t
diff --git a/src/hb-ucdn/README b/src/hb-ucdn/README
index 2f3c55296..fcb97b9aa 100644
--- a/src/hb-ucdn/README
+++ b/src/hb-ucdn/README
@@ -1,7 +1,6 @@
 Contents of this directory are derived from UCDN:
 
   https://github.com/grigorig/ucdn
-  https://github.com/behdad/ucdn
 
 The original README follows:
 
diff --git a/src/hb-ucdn/ucdn.c b/src/hb-ucdn/ucdn.c
index d1a419573..f4e9be17c 100644
--- a/src/hb-ucdn/ucdn.c
+++ b/src/hb-ucdn/ucdn.c
@@ -16,6 +16,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include "ucdn.h"
 
 typedef struct {
@@ -24,14 +25,19 @@ typedef struct {
     unsigned char bidi_class;
     unsigned char mirrored;
     unsigned char east_asian_width;
-    unsigned char normalization_check;
     unsigned char script;
+    unsigned char linebreak_class;
 } UCDRecord;
 
 typedef struct {
     unsigned short from, to;
 } MirrorPair;
 
+typedef struct {
+  unsigned short from, to;
+  unsigned char type;
+} BracketPair;
+
 typedef struct {
     unsigned int start;
     short count, index;
@@ -108,6 +114,24 @@ static int compare_mp(const void *a, const void *b)
     return mpa->from - mpb->from;
 }
 
+static int compare_bp(const void *a, const void *b)
+{
+    BracketPair *bpa = (BracketPair *)a;
+    BracketPair *bpb = (BracketPair *)b;
+    return bpa->from - bpb->from;
+}
+
+static BracketPair *search_bp(uint32_t code)
+{
+    BracketPair bp = {0,0,2};
+    BracketPair *res;
+
+    bp.from = code;
+    res = bsearch(&bp, bracket_pairs, BIDI_BRACKET_LEN, sizeof(BracketPair),
+            compare_bp);
+    return res;
+}
+
 static int hangul_pair_decompose(uint32_t code, uint32_t *a, uint32_t *b)
 {
     int si = code - SBASE;
@@ -199,6 +223,42 @@ int ucdn_get_script(uint32_t code)
     return get_ucd_record(code)->script;
 }
 
+int ucdn_get_linebreak_class(uint32_t code)
+{
+    return get_ucd_record(code)->linebreak_class;
+}
+
+int ucdn_get_resolved_linebreak_class(uint32_t code)
+{
+    const UCDRecord *record = get_ucd_record(code);
+
+    switch (record->linebreak_class)
+    {
+    case UCDN_LINEBREAK_CLASS_AI:
+    case UCDN_LINEBREAK_CLASS_SG:
+    case UCDN_LINEBREAK_CLASS_XX:
+        return UCDN_LINEBREAK_CLASS_AL;
+
+    case UCDN_LINEBREAK_CLASS_SA:
+        if (record->category == UCDN_GENERAL_CATEGORY_MC ||
+                record->category == UCDN_GENERAL_CATEGORY_MN)
+            return UCDN_LINEBREAK_CLASS_CM;
+        return UCDN_LINEBREAK_CLASS_AL;
+
+    case UCDN_LINEBREAK_CLASS_CJ:
+        return UCDN_LINEBREAK_CLASS_NS;
+
+    case UCDN_LINEBREAK_CLASS_CB:
+        return UCDN_LINEBREAK_CLASS_B2;
+
+    case UCDN_LINEBREAK_CLASS_NL:
+        return UCDN_LINEBREAK_CLASS_BK;
+
+    default:
+        return record->linebreak_class;
+    }
+}
+
 uint32_t ucdn_mirror(uint32_t code)
 {
     MirrorPair mp = {0};
@@ -217,6 +277,24 @@ uint32_t ucdn_mirror(uint32_t code)
         return res->to;
 }
 
+uint32_t ucdn_paired_bracket(uint32_t code)
+{
+    BracketPair *res = search_bp(code);
+    if (res == NULL)
+        return code;
+    else
+        return res->to;
+}
+
+int ucdn_paired_bracket_type(uint32_t code)
+{
+    BracketPair *res = search_bp(code);
+    if (res == NULL)
+        return UCDN_BIDI_PAIRED_BRACKET_TYPE_NONE;
+    else
+        return res->type;
+}
+
 int ucdn_decompose(uint32_t code, uint32_t *a, uint32_t *b)
 {
     const unsigned short *rec;
diff --git a/src/hb-ucdn/ucdn.h b/src/hb-ucdn/ucdn.h
index 8354ae533..f694dc5a8 100644
--- a/src/hb-ucdn/ucdn.h
+++ b/src/hb-ucdn/ucdn.h
@@ -17,6 +17,8 @@
 #ifndef UCDN_H
 #define UCDN_H
 
+
+
 #if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(__MINGW32__)
 # define HB_BEGIN_VISIBILITY _Pragma ("GCC visibility push(hidden)")
 # define HB_END_VISIBILITY _Pragma ("GCC visibility pop")
@@ -58,6 +60,7 @@ typedef unsigned __int64 uint64_t;
 
 #endif
 
+
 #define UCDN_EAST_ASIAN_F 0
 #define UCDN_EAST_ASIAN_H 1
 #define UCDN_EAST_ASIAN_W 2
@@ -197,6 +200,53 @@ typedef unsigned __int64 uint64_t;
 #define UCDN_SCRIPT_MULTANI 129
 #define UCDN_SCRIPT_OLD_HUNGARIAN 130
 #define UCDN_SCRIPT_SIGNWRITING 131
+#define UCDN_SCRIPT_ADLAM 132
+#define UCDN_SCRIPT_BHAIKSUKI 133
+#define UCDN_SCRIPT_MARCHEN 134
+#define UCDN_SCRIPT_NEWA 135
+#define UCDN_SCRIPT_OSAGE 136
+#define UCDN_SCRIPT_TANGUT 137
+
+#define UCDN_LINEBREAK_CLASS_OP 0
+#define UCDN_LINEBREAK_CLASS_CL 1
+#define UCDN_LINEBREAK_CLASS_CP 2
+#define UCDN_LINEBREAK_CLASS_QU 3
+#define UCDN_LINEBREAK_CLASS_GL 4
+#define UCDN_LINEBREAK_CLASS_NS 5
+#define UCDN_LINEBREAK_CLASS_EX 6
+#define UCDN_LINEBREAK_CLASS_SY 7
+#define UCDN_LINEBREAK_CLASS_IS 8
+#define UCDN_LINEBREAK_CLASS_PR 9
+#define UCDN_LINEBREAK_CLASS_PO 10
+#define UCDN_LINEBREAK_CLASS_NU 11
+#define UCDN_LINEBREAK_CLASS_AL 12
+#define UCDN_LINEBREAK_CLASS_HL 13
+#define UCDN_LINEBREAK_CLASS_ID 14
+#define UCDN_LINEBREAK_CLASS_IN 15
+#define UCDN_LINEBREAK_CLASS_HY 16
+#define UCDN_LINEBREAK_CLASS_BA 17
+#define UCDN_LINEBREAK_CLASS_BB 18
+#define UCDN_LINEBREAK_CLASS_B2 19
+#define UCDN_LINEBREAK_CLASS_ZW 20
+#define UCDN_LINEBREAK_CLASS_CM 21
+#define UCDN_LINEBREAK_CLASS_WJ 22
+#define UCDN_LINEBREAK_CLASS_H2 23
+#define UCDN_LINEBREAK_CLASS_H3 24
+#define UCDN_LINEBREAK_CLASS_JL 25
+#define UCDN_LINEBREAK_CLASS_JV 26
+#define UCDN_LINEBREAK_CLASS_JT 27
+#define UCDN_LINEBREAK_CLASS_RI 28
+#define UCDN_LINEBREAK_CLASS_AI 29
+#define UCDN_LINEBREAK_CLASS_BK 30
+#define UCDN_LINEBREAK_CLASS_CB 31
+#define UCDN_LINEBREAK_CLASS_CJ 32
+#define UCDN_LINEBREAK_CLASS_CR 33
+#define UCDN_LINEBREAK_CLASS_LF 34
+#define UCDN_LINEBREAK_CLASS_NL 35
+#define UCDN_LINEBREAK_CLASS_SA 36
+#define UCDN_LINEBREAK_CLASS_SG 37
+#define UCDN_LINEBREAK_CLASS_SP 38
+#define UCDN_LINEBREAK_CLASS_XX 39
 
 #define UCDN_GENERAL_CATEGORY_CC 0
 #define UCDN_GENERAL_CATEGORY_CF 1
@@ -253,6 +303,10 @@ typedef unsigned __int64 uint64_t;
 #define UCDN_BIDI_CLASS_FSI 21
 #define UCDN_BIDI_CLASS_PDI 22
 
+#define UCDN_BIDI_PAIRED_BRACKET_TYPE_OPEN 0
+#define UCDN_BIDI_PAIRED_BRACKET_TYPE_CLOSE 1
+#define UCDN_BIDI_PAIRED_BRACKET_TYPE_NONE 2
+
 /**
  * Return version of the Unicode database.
  *
@@ -301,6 +355,27 @@ int ucdn_get_bidi_class(uint32_t code);
  */
 int ucdn_get_script(uint32_t code);
 
+/**
+ * Get unresolved linebreak class of a codepoint. This does not take
+ * rule LB1 of UAX#14 into account. See ucdn_get_resolved_linebreak_class()
+ * for resolved linebreak classes.
+ *
+ * @param code Unicode codepoint
+ * @return value according to UCDN_LINEBREAK_* and as defined in UAX#14.
+ */
+int ucdn_get_linebreak_class(uint32_t code);
+
+/**
+ * Get resolved linebreak class of a codepoint. This resolves characters
+ * in the AI, SG, XX, SA and CJ classes according to rule LB1 of UAX#14.
+ * In addition the CB class is resolved as the equivalent B2 class and
+ * the NL class is resolved as the equivalent BK class.
+ *
+ * @param code Unicode codepoint
+ * @return value according to UCDN_LINEBREAK_* and as defined in UAX#14.
+ */
+int ucdn_get_resolved_linebreak_class(uint32_t code);
+
 /**
  * Check if codepoint can be mirrored.
  *
@@ -318,6 +393,25 @@ int ucdn_get_mirrored(uint32_t code);
  */
 uint32_t ucdn_mirror(uint32_t code);
 
+/**
+ * Get paired bracket for a codepoint.
+ *
+ * @param code Unicode codepoint
+ * @return paired bracket codepoint or the original codepoint if no
+ * paired bracket character exists
+ */
+uint32_t ucdn_paired_bracket(uint32_t code);
+
+/**
+ * Get paired bracket type for a codepoint.
+ *
+ * @param code Unicode codepoint
+ * @return value according to UCDN_BIDI_PAIRED_BRACKET_TYPE_* and as defined
+ * in UAX#9.
+ *
+ */
+int ucdn_paired_bracket_type(uint32_t code);
+
 /**
  * Pairwise canonical decomposition of a codepoint. This includes
  * Hangul Jamo decomposition (see chapter 3.12 of the Unicode core
@@ -359,6 +453,8 @@ int ucdn_compat_decompose(uint32_t code, uint32_t *decomposed);
  */
 int ucdn_compose(uint32_t *code, uint32_t a, uint32_t b);
 
-HB_END_HEADER
+#ifdef __cplusplus
+}
+#endif
 
 #endif
diff --git a/src/hb-ucdn/unicodedata_db.h b/src/hb-ucdn/unicodedata_db.h
index f458be14a..c9cd59bc6 100644
--- a/src/hb-ucdn/unicodedata_db.h
+++ b/src/hb-ucdn/unicodedata_db.h
@@ -1,821 +1,999 @@
 /* this file was generated by makeunicodedata.py 3.2 */
 
-#define UNIDATA_VERSION "8.0.0"
+#define UNIDATA_VERSION "9.0.0"
 /* a list of unique database records */
 static const UCDRecord ucd_records[] = {
-    {2, 0, 18, 0, 5, 0, 102},
-    {0, 0, 14, 0, 5, 0, 0},
-    {0, 0, 16, 0, 5, 0, 0},
-    {0, 0, 15, 0, 5, 0, 0},
-    {0, 0, 17, 0, 5, 0, 0},
-    {29, 0, 17, 0, 3, 0, 0},
-    {21, 0, 18, 0, 3, 0, 0},
-    {21, 0, 10, 0, 3, 0, 0},
-    {23, 0, 10, 0, 3, 0, 0},
+    {2, 0, 18, 0, 5, 102, 41},
+    {0, 0, 14, 0, 5, 0, 21},
+    {0, 0, 16, 0, 5, 0, 17},
+    {0, 0, 15, 0, 5, 0, 35},
+    {0, 0, 16, 0, 5, 0, 30},
+    {0, 0, 17, 0, 5, 0, 30},
+    {0, 0, 15, 0, 5, 0, 33},
+    {0, 0, 15, 0, 5, 0, 21},
+    {0, 0, 16, 0, 5, 0, 21},
+    {29, 0, 17, 0, 3, 0, 40},
+    {21, 0, 18, 0, 3, 0, 6},
+    {21, 0, 18, 0, 3, 0, 3},
+    {21, 0, 10, 0, 3, 0, 12},
+    {23, 0, 10, 0, 3, 0, 9},
+    {21, 0, 10, 0, 3, 0, 10},
+    {21, 0, 18, 0, 3, 0, 12},
     {22, 0, 18, 1, 3, 0, 0},
-    {18, 0, 18, 1, 3, 0, 0},
-    {25, 0, 9, 0, 3, 0, 0},
-    {21, 0, 12, 0, 3, 0, 0},
-    {17, 0, 9, 0, 3, 0, 0},
-    {13, 0, 8, 0, 3, 0, 0},
-    {25, 0, 18, 1, 3, 0, 0},
-    {25, 0, 18, 0, 3, 0, 0},
-    {9, 0, 0, 0, 3, 0, 1},
-    {24, 0, 18, 0, 3, 0, 0},
-    {16, 0, 18, 0, 3, 0, 0},
-    {5, 0, 0, 0, 3, 0, 1},
-    {29, 0, 12, 0, 5, 0, 0},
+    {18, 0, 18, 1, 3, 0, 2},
+    {25, 0, 9, 0, 3, 0, 9},
+    {21, 0, 12, 0, 3, 0, 8},
+    {17, 0, 9, 0, 3, 0, 16},
+    {21, 0, 12, 0, 3, 0, 7},
+    {13, 0, 8, 0, 3, 0, 11},
+    {21, 0, 18, 0, 3, 0, 8},
+    {25, 0, 18, 1, 3, 0, 12},
+    {25, 0, 18, 0, 3, 0, 12},
+    {9, 0, 0, 0, 3, 1, 12},
+    {21, 0, 18, 0, 3, 0, 9},
+    {24, 0, 18, 0, 3, 0, 12},
+    {16, 0, 18, 0, 3, 0, 12},
+    {5, 0, 0, 0, 3, 1, 12},
+    {25, 0, 18, 0, 3, 0, 17},
+    {18, 0, 18, 1, 3, 0, 1},
+    {0, 0, 15, 0, 5, 0, 36},
+    {29, 0, 12, 0, 5, 0, 4},
     {21, 0, 18, 0, 4, 0, 0},
-    {23, 0, 10, 0, 4, 0, 0},
-    {26, 0, 18, 0, 3, 0, 0},
-    {24, 0, 18, 0, 4, 0, 0},
-    {26, 0, 18, 0, 5, 0, 0},
-    {7, 0, 0, 0, 4, 0, 1},
-    {20, 0, 18, 1, 5, 0, 0},
-    {1, 0, 14, 0, 4, 0, 0},
-    {26, 0, 18, 0, 4, 0, 0},
-    {26, 0, 10, 0, 4, 0, 0},
-    {25, 0, 10, 0, 4, 0, 0},
-    {15, 0, 8, 0, 4, 0, 0},
-    {5, 0, 0, 0, 5, 0, 0},
-    {19, 0, 18, 1, 5, 0, 0},
-    {15, 0, 18, 0, 4, 0, 0},
-    {9, 0, 0, 0, 5, 0, 1},
-    {9, 0, 0, 0, 4, 0, 1},
-    {25, 0, 18, 0, 4, 0, 0},
-    {5, 0, 0, 0, 4, 0, 1},
-    {5, 0, 0, 0, 5, 0, 1},
-    {7, 0, 0, 0, 5, 0, 1},
-    {8, 0, 0, 0, 5, 0, 1},
-    {6, 0, 0, 0, 5, 0, 1},
-    {6, 0, 18, 0, 5, 0, 0},
-    {6, 0, 0, 0, 5, 0, 0},
-    {24, 0, 18, 0, 5, 0, 0},
-    {6, 0, 18, 0, 4, 0, 0},
-    {6, 0, 0, 0, 4, 0, 0},
-    {24, 0, 18, 0, 5, 0, 34},
-    {12, 230, 13, 0, 4, 0, 40},
-    {12, 232, 13, 0, 4, 0, 40},
-    {12, 220, 13, 0, 4, 0, 40},
-    {12, 216, 13, 0, 4, 0, 40},
-    {12, 202, 13, 0, 4, 0, 40},
-    {12, 1, 13, 0, 4, 0, 40},
-    {12, 240, 13, 0, 4, 0, 40},
-    {12, 0, 13, 0, 4, 0, 40},
-    {12, 233, 13, 0, 4, 0, 40},
-    {12, 234, 13, 0, 4, 0, 40},
-    {9, 0, 0, 0, 5, 0, 2},
-    {5, 0, 0, 0, 5, 0, 2},
-    {24, 0, 18, 0, 5, 0, 2},
-    {2, 0, 18, 0, 5, 0, 102},
-    {6, 0, 0, 0, 5, 0, 2},
-    {21, 0, 18, 0, 5, 0, 0},
-    {9, 0, 0, 0, 4, 0, 2},
-    {5, 0, 0, 0, 4, 0, 2},
-    {9, 0, 0, 0, 5, 0, 54},
-    {5, 0, 0, 0, 5, 0, 54},
-    {25, 0, 18, 0, 5, 0, 2},
-    {9, 0, 0, 0, 5, 0, 3},
-    {9, 0, 0, 0, 4, 0, 3},
-    {5, 0, 0, 0, 4, 0, 3},
-    {5, 0, 0, 0, 5, 0, 3},
-    {26, 0, 0, 0, 5, 0, 3},
-    {12, 230, 13, 0, 5, 0, 3},
-    {12, 230, 13, 0, 5, 0, 40},
-    {11, 0, 13, 0, 5, 0, 3},
-    {9, 0, 0, 0, 5, 0, 4},
-    {6, 0, 0, 0, 5, 0, 4},
-    {21, 0, 0, 0, 5, 0, 4},
-    {5, 0, 0, 0, 5, 0, 4},
-    {21, 0, 0, 0, 5, 0, 0},
-    {17, 0, 18, 0, 5, 0, 4},
-    {26, 0, 18, 0, 5, 0, 4},
-    {23, 0, 10, 0, 5, 0, 4},
-    {12, 220, 13, 0, 5, 0, 5},
-    {12, 230, 13, 0, 5, 0, 5},
-    {12, 222, 13, 0, 5, 0, 5},
-    {12, 228, 13, 0, 5, 0, 5},
-    {12, 10, 13, 0, 5, 0, 5},
-    {12, 11, 13, 0, 5, 0, 5},
-    {12, 12, 13, 0, 5, 0, 5},
-    {12, 13, 13, 0, 5, 0, 5},
-    {12, 14, 13, 0, 5, 0, 5},
-    {12, 15, 13, 0, 5, 0, 5},
-    {12, 16, 13, 0, 5, 0, 5},
-    {12, 17, 13, 0, 5, 0, 5},
-    {12, 18, 13, 0, 5, 0, 5},
-    {12, 19, 13, 0, 5, 0, 5},
-    {12, 20, 13, 0, 5, 0, 5},
-    {12, 21, 13, 0, 5, 0, 5},
-    {12, 22, 13, 0, 5, 0, 5},
-    {17, 0, 3, 0, 5, 0, 5},
-    {12, 23, 13, 0, 5, 0, 5},
-    {21, 0, 3, 0, 5, 0, 5},
-    {12, 24, 13, 0, 5, 0, 5},
-    {12, 25, 13, 0, 5, 0, 5},
-    {7, 0, 3, 0, 5, 0, 5},
-    {1, 0, 11, 0, 5, 0, 6},
-    {1, 0, 11, 0, 5, 0, 0},
-    {25, 0, 18, 0, 5, 0, 6},
-    {25, 0, 4, 0, 5, 0, 6},
-    {21, 0, 10, 0, 5, 0, 6},
-    {23, 0, 4, 0, 5, 0, 6},
-    {21, 0, 12, 0, 5, 0, 0},
+    {23, 0, 10, 0, 3, 0, 10},
+    {23, 0, 10, 0, 4, 0, 9},
+    {26, 0, 18, 0, 3, 0, 12},
+    {21, 0, 18, 0, 4, 0, 29},
+    {24, 0, 18, 0, 4, 0, 29},
+    {26, 0, 18, 0, 5, 0, 12},
+    {7, 0, 0, 0, 4, 1, 29},
+    {20, 0, 18, 1, 5, 0, 3},
+    {1, 0, 14, 0, 4, 0, 17},
+    {26, 0, 18, 0, 4, 0, 12},
+    {26, 0, 10, 0, 4, 0, 10},
+    {25, 0, 10, 0, 4, 0, 9},
+    {15, 0, 8, 0, 4, 0, 29},
+    {24, 0, 18, 0, 4, 0, 18},
+    {5, 0, 0, 0, 5, 0, 12},
+    {19, 0, 18, 1, 5, 0, 3},
+    {15, 0, 18, 0, 4, 0, 29},
+    {9, 0, 0, 0, 5, 1, 12},
+    {9, 0, 0, 0, 4, 1, 12},
+    {25, 0, 18, 0, 4, 0, 29},
+    {5, 0, 0, 0, 4, 1, 12},
+    {5, 0, 0, 0, 5, 1, 12},
+    {7, 0, 0, 0, 5, 1, 12},
+    {8, 0, 0, 0, 5, 1, 12},
+    {6, 0, 0, 0, 5, 1, 12},
+    {6, 0, 18, 0, 5, 0, 12},
+    {6, 0, 0, 0, 5, 0, 12},
+    {24, 0, 18, 0, 5, 0, 12},
+    {24, 0, 18, 0, 4, 0, 12},
+    {6, 0, 18, 0, 4, 0, 29},
+    {6, 0, 18, 0, 5, 0, 18},
+    {6, 0, 0, 0, 4, 0, 29},
+    {24, 0, 18, 0, 5, 34, 12},
+    {12, 230, 13, 0, 4, 40, 21},
+    {12, 232, 13, 0, 4, 40, 21},
+    {12, 220, 13, 0, 4, 40, 21},
+    {12, 216, 13, 0, 4, 40, 21},
+    {12, 202, 13, 0, 4, 40, 21},
+    {12, 1, 13, 0, 4, 40, 21},
+    {12, 240, 13, 0, 4, 40, 21},
+    {12, 0, 13, 0, 4, 40, 4},
+    {12, 233, 13, 0, 4, 40, 4},
+    {12, 234, 13, 0, 4, 40, 4},
+    {9, 0, 0, 0, 5, 2, 12},
+    {5, 0, 0, 0, 5, 2, 12},
+    {24, 0, 18, 0, 5, 2, 12},
+    {2, 0, 18, 0, 5, 102, 41},
+    {6, 0, 0, 0, 5, 2, 12},
+    {21, 0, 18, 0, 5, 0, 8},
+    {21, 0, 18, 0, 5, 0, 12},
+    {9, 0, 0, 0, 4, 2, 12},
+    {5, 0, 0, 0, 4, 2, 12},
+    {9, 0, 0, 0, 5, 54, 12},
+    {5, 0, 0, 0, 5, 54, 12},
+    {25, 0, 18, 0, 5, 2, 12},
+    {9, 0, 0, 0, 5, 3, 12},
+    {9, 0, 0, 0, 4, 3, 12},
+    {5, 0, 0, 0, 4, 3, 12},
+    {5, 0, 0, 0, 5, 3, 12},
+    {26, 0, 0, 0, 5, 3, 12},
+    {12, 230, 13, 0, 5, 3, 21},
+    {12, 230, 13, 0, 5, 40, 21},
+    {11, 0, 13, 0, 5, 3, 21},
+    {9, 0, 0, 0, 5, 4, 12},
+    {6, 0, 0, 0, 5, 4, 12},
+    {21, 0, 0, 0, 5, 4, 12},
+    {5, 0, 0, 0, 5, 4, 12},
+    {21, 0, 0, 0, 5, 0, 8},
+    {17, 0, 18, 0, 5, 4, 17},
+    {26, 0, 18, 0, 5, 4, 12},
+    {23, 0, 10, 0, 5, 4, 9},
+    {12, 220, 13, 0, 5, 5, 21},
+    {12, 230, 13, 0, 5, 5, 21},
+    {12, 222, 13, 0, 5, 5, 21},
+    {12, 228, 13, 0, 5, 5, 21},
+    {12, 10, 13, 0, 5, 5, 21},
+    {12, 11, 13, 0, 5, 5, 21},
+    {12, 12, 13, 0, 5, 5, 21},
+    {12, 13, 13, 0, 5, 5, 21},
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+    {7, 0, 0, 0, 1, 33, 14},
+    {7, 0, 0, 0, 1, 33, 32},
+    {6, 0, 0, 0, 1, 0, 32},
+    {6, 0, 0, 0, 1, 0, 5},
+    {7, 0, 0, 0, 1, 24, 14},
+    {23, 0, 10, 0, 0, 0, 10},
+    {26, 0, 18, 0, 0, 0, 14},
+    {26, 0, 18, 0, 1, 0, 12},
+    {25, 0, 18, 0, 1, 0, 12},
+    {1, 0, 18, 0, 5, 0, 21},
+    {26, 0, 18, 0, 5, 0, 31},
+    {7, 0, 0, 0, 5, 47, 12},
+    {14, 0, 18, 0, 5, 2, 12},
+    {15, 0, 18, 0, 5, 2, 12},
+    {26, 0, 18, 0, 5, 2, 12},
+    {26, 0, 0, 0, 5, 2, 12},
+    {7, 0, 0, 0, 5, 73, 12},
+    {7, 0, 0, 0, 5, 74, 12},
+    {7, 0, 0, 0, 5, 37, 12},
+    {15, 0, 0, 0, 5, 37, 12},
+    {7, 0, 0, 0, 5, 38, 12},
+    {14, 0, 0, 0, 5, 38, 12},
+    {7, 0, 0, 0, 5, 118, 12},
+    {12, 230, 13, 0, 5, 118, 21},
+    {7, 0, 0, 0, 5, 48, 12},
+    {21, 0, 0, 0, 5, 48, 17},
+    {7, 0, 0, 0, 5, 59, 12},
+    {21, 0, 0, 0, 5, 59, 17},
+    {14, 0, 0, 0, 5, 59, 12},
+    {9, 0, 0, 0, 5, 39, 12},
+    {5, 0, 0, 0, 5, 39, 12},
+    {7, 0, 0, 0, 5, 49, 12},
+    {7, 0, 0, 0, 5, 50, 12},
+    {13, 0, 0, 0, 5, 50, 11},
+    {9, 0, 0, 0, 5, 136, 12},
+    {5, 0, 0, 0, 5, 136, 12},
+    {7, 0, 0, 0, 5, 106, 12},
+    {7, 0, 0, 0, 5, 104, 12},
+    {21, 0, 0, 0, 5, 104, 12},
+    {7, 0, 0, 0, 5, 110, 12},
+    {7, 0, 3, 0, 5, 51, 12},
+    {7, 0, 3, 0, 5, 86, 12},
+    {21, 0, 3, 0, 5, 86, 17},
+    {15, 0, 3, 0, 5, 86, 12},
+    {7, 0, 3, 0, 5, 120, 12},
+    {26, 0, 3, 0, 5, 120, 12},
+    {15, 0, 3, 0, 5, 120, 12},
+    {7, 0, 3, 0, 5, 116, 12},
+    {15, 0, 3, 0, 5, 116, 12},
+    {7, 0, 3, 0, 5, 128, 12},
+    {15, 0, 3, 0, 5, 128, 12},
+    {7, 0, 3, 0, 5, 63, 12},
+    {15, 0, 3, 0, 5, 63, 12},
+    {21, 0, 18, 0, 5, 63, 17},
+    {7, 0, 3, 0, 5, 75, 12},
+    {21, 0, 3, 0, 5, 75, 12},
+    {7, 0, 3, 0, 5, 97, 12},
+    {7, 0, 3, 0, 5, 96, 12},
+    {15, 0, 3, 0, 5, 96, 12},
+    {7, 0, 3, 0, 5, 60, 12},
+    {12, 0, 13, 0, 5, 60, 21},
+    {12, 220, 13, 0, 5, 60, 21},
+    {12, 230, 13, 0, 5, 60, 21},
+    {12, 1, 13, 0, 5, 60, 21},
+    {12, 9, 13, 0, 5, 60, 21},
+    {15, 0, 3, 0, 5, 60, 12},
+    {21, 0, 3, 0, 5, 60, 17},
+    {21, 0, 3, 0, 5, 60, 12},
+    {7, 0, 3, 0, 5, 87, 12},
+    {15, 0, 3, 0, 5, 87, 12},
+    {21, 0, 3, 0, 5, 87, 12},
+    {7, 0, 3, 0, 5, 117, 12},
+    {15, 0, 3, 0, 5, 117, 12},
+    {7, 0, 3, 0, 5, 112, 12},
+    {26, 0, 3, 0, 5, 112, 12},
+    {12, 230, 13, 0, 5, 112, 21},
+    {12, 220, 13, 0, 5, 112, 21},
+    {15, 0, 3, 0, 5, 112, 12},
+    {21, 0, 3, 0, 5, 112, 17},
+    {21, 0, 3, 0, 5, 112, 15},
+    {7, 0, 3, 0, 5, 79, 12},
+    {21, 0, 18, 0, 5, 79, 17},
+    {7, 0, 3, 0, 5, 88, 12},
+    {15, 0, 3, 0, 5, 88, 12},
+    {7, 0, 3, 0, 5, 89, 12},
+    {15, 0, 3, 0, 5, 89, 12},
+    {7, 0, 3, 0, 5, 122, 12},
+    {21, 0, 3, 0, 5, 122, 12},
+    {15, 0, 3, 0, 5, 122, 12},
+    {7, 0, 3, 0, 5, 90, 12},
+    {9, 0, 3, 0, 5, 130, 12},
+    {5, 0, 3, 0, 5, 130, 12},
+    {15, 0, 3, 0, 5, 130, 12},
+    {15, 0, 11, 0, 5, 6, 12},
+    {10, 0, 0, 0, 5, 93, 21},
+    {12, 0, 13, 0, 5, 93, 21},
+    {7, 0, 0, 0, 5, 93, 12},
+    {12, 9, 13, 0, 5, 93, 21},
+    {21, 0, 0, 0, 5, 93, 17},
+    {21, 0, 0, 0, 5, 93, 12},
+    {15, 0, 18, 0, 5, 93, 12},
+    {13, 0, 0, 0, 5, 93, 11},
+    {12, 0, 13, 0, 5, 91, 21},
+    {10, 0, 0, 0, 5, 91, 21},
+    {7, 0, 0, 0, 5, 91, 12},
+    {12, 9, 13, 0, 5, 91, 21},
+    {12, 7, 13, 0, 5, 91, 21},
+    {21, 0, 0, 0, 5, 91, 12},
+    {1, 0, 0, 0, 5, 91, 12},
+    {21, 0, 0, 0, 5, 91, 17},
+    {7, 0, 0, 0, 5, 100, 12},
+    {13, 0, 0, 0, 5, 100, 11},
+    {12, 230, 13, 0, 5, 95, 21},
+    {7, 0, 0, 0, 5, 95, 12},
+    {12, 0, 13, 0, 5, 95, 21},
+    {10, 0, 0, 0, 5, 95, 21},
+    {12, 9, 13, 0, 5, 95, 21},
+    {13, 0, 0, 0, 5, 95, 11},
+    {21, 0, 0, 0, 5, 95, 17},
+    {7, 0, 0, 0, 5, 111, 12},
+    {12, 7, 13, 0, 5, 111, 21},
+    {21, 0, 0, 0, 5, 111, 12},
+    {21, 0, 0, 0, 5, 111, 18},
+    {12, 0, 13, 0, 5, 99, 21},
+    {10, 0, 0, 0, 5, 99, 21},
+    {7, 0, 0, 0, 5, 99, 12},
+    {10, 9, 0, 0, 5, 99, 21},
+    {21, 0, 0, 0, 5, 99, 17},
+    {21, 0, 0, 0, 5, 99, 12},
+    {12, 7, 13, 0, 5, 99, 21},
+    {13, 0, 0, 0, 5, 99, 11},
+    {21, 0, 0, 0, 5, 99, 18},
+    {15, 0, 0, 0, 5, 18, 12},
+    {7, 0, 0, 0, 5, 108, 12},
+    {10, 0, 0, 0, 5, 108, 21},
+    {12, 0, 13, 0, 5, 108, 21},
+    {10, 9, 0, 0, 5, 108, 21},
+    {12, 7, 13, 0, 5, 108, 21},
+    {21, 0, 0, 0, 5, 108, 17},
+    {21, 0, 0, 0, 5, 108, 12},
+    {7, 0, 0, 0, 5, 129, 12},
+    {21, 0, 0, 0, 5, 129, 17},
+    {7, 0, 0, 0, 5, 109, 12},
+    {12, 0, 13, 0, 5, 109, 21},
+    {10, 0, 0, 0, 5, 109, 21},
+    {12, 7, 13, 0, 5, 109, 21},
+    {12, 9, 13, 0, 5, 109, 21},
+    {13, 0, 0, 0, 5, 109, 11},
+    {12, 0, 13, 0, 5, 107, 21},
+    {10, 0, 0, 0, 5, 107, 21},
+    {7, 0, 0, 0, 5, 107, 12},
+    {12, 7, 13, 0, 5, 107, 21},
+    {10, 9, 0, 0, 5, 107, 21},
+    {12, 230, 13, 0, 5, 107, 21},
+    {7, 0, 0, 0, 5, 135, 12},
+    {10, 0, 0, 0, 5, 135, 21},
+    {12, 0, 13, 0, 5, 135, 21},
+    {12, 9, 13, 0, 5, 135, 21},
+    {12, 7, 13, 0, 5, 135, 21},
+    {21, 0, 0, 0, 5, 135, 17},
+    {21, 0, 0, 0, 5, 135, 12},
+    {13, 0, 0, 0, 5, 135, 11},
+    {7, 0, 0, 0, 5, 124, 12},
+    {10, 0, 0, 0, 5, 124, 21},
+    {12, 0, 13, 0, 5, 124, 21},
+    {12, 9, 13, 0, 5, 124, 21},
+    {12, 7, 13, 0, 5, 124, 21},
+    {21, 0, 0, 0, 5, 124, 12},
+    {13, 0, 0, 0, 5, 124, 11},
+    {7, 0, 0, 0, 5, 123, 12},
+    {10, 0, 0, 0, 5, 123, 21},
+    {12, 0, 13, 0, 5, 123, 21},
+    {12, 9, 13, 0, 5, 123, 21},
+    {12, 7, 13, 0, 5, 123, 21},
+    {21, 0, 0, 0, 5, 123, 18},
+    {21, 0, 0, 0, 5, 123, 17},
+    {21, 0, 0, 0, 5, 123, 6},
+    {21, 0, 0, 0, 5, 123, 12},
+    {7, 0, 0, 0, 5, 114, 12},
+    {10, 0, 0, 0, 5, 114, 21},
+    {12, 0, 13, 0, 5, 114, 21},
+    {12, 9, 13, 0, 5, 114, 21},
+    {21, 0, 0, 0, 5, 114, 17},
+    {21, 0, 0, 0, 5, 114, 12},
+    {13, 0, 0, 0, 5, 114, 11},
+    {21, 0, 18, 0, 5, 31, 18},
+    {7, 0, 0, 0, 5, 101, 12},
+    {12, 0, 13, 0, 5, 101, 21},
+    {10, 0, 0, 0, 5, 101, 21},
+    {10, 9, 0, 0, 5, 101, 21},
+    {12, 7, 13, 0, 5, 101, 21},
+    {13, 0, 0, 0, 5, 101, 11},
+    {7, 0, 0, 0, 5, 126, 38},
+    {12, 0, 13, 0, 5, 126, 38},
+    {10, 0, 0, 0, 5, 126, 38},
+    {12, 9, 13, 0, 5, 126, 38},
+    {13, 0, 0, 0, 5, 126, 11},
+    {15, 0, 0, 0, 5, 126, 38},
+    {21, 0, 0, 0, 5, 126, 17},
+    {26, 0, 0, 0, 5, 126, 38},
+    {9, 0, 0, 0, 5, 125, 12},
+    {5, 0, 0, 0, 5, 125, 12},
+    {13, 0, 0, 0, 5, 125, 11},
+    {15, 0, 0, 0, 5, 125, 12},
+    {7, 0, 0, 0, 5, 125, 12},
+    {7, 0, 0, 0, 5, 121, 12},
+    {7, 0, 0, 0, 5, 133, 12},
+    {10, 0, 0, 0, 5, 133, 21},
+    {12, 0, 13, 0, 5, 133, 21},
+    {12, 9, 0, 0, 5, 133, 21},
+    {21, 0, 0, 0, 5, 133, 17},
+    {13, 0, 0, 0, 5, 133, 11},
+    {15, 0, 0, 0, 5, 133, 12},
+    {21, 0, 0, 0, 5, 134, 18},
+    {21, 0, 0, 0, 5, 134, 6},
+    {7, 0, 0, 0, 5, 134, 12},
+    {12, 0, 13, 0, 5, 134, 21},
+    {10, 0, 0, 0, 5, 134, 21},
+    {7, 0, 0, 0, 5, 62, 12},
+    {14, 0, 0, 0, 5, 62, 12},
+    {21, 0, 0, 0, 5, 62, 17},
+    {7, 0, 0, 0, 5, 80, 12},
+    {7, 0, 0, 0, 5, 80, 0},
+    {7, 0, 0, 0, 5, 80, 1},
+    {7, 0, 0, 0, 5, 127, 12},
+    {7, 0, 0, 0, 5, 127, 0},
+    {7, 0, 0, 0, 5, 127, 1},
+    {7, 0, 0, 0, 5, 115, 12},
+    {13, 0, 0, 0, 5, 115, 11},
+    {21, 0, 0, 0, 5, 115, 17},
+    {7, 0, 0, 0, 5, 103, 12},
+    {12, 1, 13, 0, 5, 103, 21},
+    {21, 0, 0, 0, 5, 103, 17},
+    {7, 0, 0, 0, 5, 119, 12},
+    {12, 230, 13, 0, 5, 119, 21},
+    {21, 0, 0, 0, 5, 119, 17},
+    {21, 0, 0, 0, 5, 119, 12},
+    {26, 0, 0, 0, 5, 119, 12},
+    {6, 0, 0, 0, 5, 119, 12},
+    {13, 0, 0, 0, 5, 119, 11},
+    {15, 0, 0, 0, 5, 119, 12},
+    {7, 0, 0, 0, 5, 98, 12},
+    {10, 0, 0, 0, 5, 98, 21},
+    {12, 0, 13, 0, 5, 98, 21},
+    {6, 0, 0, 0, 5, 98, 12},
+    {6, 0, 0, 0, 2, 137, 5},
+    {7, 0, 0, 0, 2, 137, 14},
+    {7, 0, 0, 0, 5, 105, 12},
+    {26, 0, 0, 0, 5, 105, 12},
+    {12, 0, 13, 0, 5, 105, 21},
+    {12, 1, 13, 0, 5, 105, 21},
+    {21, 0, 0, 0, 5, 105, 17},
+    {10, 216, 0, 0, 5, 0, 21},
+    {10, 226, 0, 0, 5, 0, 21},
+    {12, 230, 13, 0, 5, 2, 21},
+    {25, 0, 0, 0, 5, 0, 12},
+    {13, 0, 8, 0, 5, 0, 11},
+    {26, 0, 0, 0, 5, 131, 12},
+    {12, 0, 13, 0, 5, 131, 21},
+    {21, 0, 0, 0, 5, 131, 17},
+    {21, 0, 0, 0, 5, 131, 12},
+    {12, 230, 13, 0, 5, 56, 21},
+    {7, 0, 3, 0, 5, 113, 12},
+    {15, 0, 3, 0, 5, 113, 12},
+    {12, 220, 13, 0, 5, 113, 21},
+    {9, 0, 3, 0, 5, 132, 12},
+    {5, 0, 3, 0, 5, 132, 12},
+    {12, 230, 13, 0, 5, 132, 21},
+    {12, 7, 13, 0, 5, 132, 21},
+    {13, 0, 3, 0, 5, 132, 11},
+    {21, 0, 3, 0, 5, 132, 0},
+    {2, 0, 18, 0, 5, 102, 14},
+    {26, 0, 0, 0, 2, 0, 29},
+    {26, 0, 0, 0, 5, 0, 28},
+    {26, 0, 0, 0, 2, 32, 14},
+    {24, 0, 18, 0, 2, 0, 41},
+    {26, 0, 18, 0, 5, 0, 5},
 };
 
 #define BIDI_MIRROR_LEN 364
@@ -1186,6 +1364,130 @@ static const MirrorPair mirror_pairs[] = {
     {65379, 65378},
 };
 
+#define BIDI_BRACKET_LEN 120
+static const BracketPair bracket_pairs[] = {
+    {40, 41, 0},
+    {41, 40, 1},
+    {91, 93, 0},
+    {93, 91, 1},
+    {123, 125, 0},
+    {125, 123, 1},
+    {3898, 3899, 0},
+    {3899, 3898, 1},
+    {3900, 3901, 0},
+    {3901, 3900, 1},
+    {5787, 5788, 0},
+    {5788, 5787, 1},
+    {8261, 8262, 0},
+    {8262, 8261, 1},
+    {8317, 8318, 0},
+    {8318, 8317, 1},
+    {8333, 8334, 0},
+    {8334, 8333, 1},
+    {8968, 8969, 0},
+    {8969, 8968, 1},
+    {8970, 8971, 0},
+    {8971, 8970, 1},
+    {9001, 9002, 0},
+    {9002, 9001, 1},
+    {10088, 10089, 0},
+    {10089, 10088, 1},
+    {10090, 10091, 0},
+    {10091, 10090, 1},
+    {10092, 10093, 0},
+    {10093, 10092, 1},
+    {10094, 10095, 0},
+    {10095, 10094, 1},
+    {10096, 10097, 0},
+    {10097, 10096, 1},
+    {10098, 10099, 0},
+    {10099, 10098, 1},
+    {10100, 10101, 0},
+    {10101, 10100, 1},
+    {10181, 10182, 0},
+    {10182, 10181, 1},
+    {10214, 10215, 0},
+    {10215, 10214, 1},
+    {10216, 10217, 0},
+    {10217, 10216, 1},
+    {10218, 10219, 0},
+    {10219, 10218, 1},
+    {10220, 10221, 0},
+    {10221, 10220, 1},
+    {10222, 10223, 0},
+    {10223, 10222, 1},
+    {10627, 10628, 0},
+    {10628, 10627, 1},
+    {10629, 10630, 0},
+    {10630, 10629, 1},
+    {10631, 10632, 0},
+    {10632, 10631, 1},
+    {10633, 10634, 0},
+    {10634, 10633, 1},
+    {10635, 10636, 0},
+    {10636, 10635, 1},
+    {10637, 10640, 0},
+    {10638, 10639, 1},
+    {10639, 10638, 0},
+    {10640, 10637, 1},
+    {10641, 10642, 0},
+    {10642, 10641, 1},
+    {10643, 10644, 0},
+    {10644, 10643, 1},
+    {10645, 10646, 0},
+    {10646, 10645, 1},
+    {10647, 10648, 0},
+    {10648, 10647, 1},
+    {10712, 10713, 0},
+    {10713, 10712, 1},
+    {10714, 10715, 0},
+    {10715, 10714, 1},
+    {10748, 10749, 0},
+    {10749, 10748, 1},
+    {11810, 11811, 0},
+    {11811, 11810, 1},
+    {11812, 11813, 0},
+    {11813, 11812, 1},
+    {11814, 11815, 0},
+    {11815, 11814, 1},
+    {11816, 11817, 0},
+    {11817, 11816, 1},
+    {12296, 12297, 0},
+    {12297, 12296, 1},
+    {12298, 12299, 0},
+    {12299, 12298, 1},
+    {12300, 12301, 0},
+    {12301, 12300, 1},
+    {12302, 12303, 0},
+    {12303, 12302, 1},
+    {12304, 12305, 0},
+    {12305, 12304, 1},
+    {12308, 12309, 0},
+    {12309, 12308, 1},
+    {12310, 12311, 0},
+    {12311, 12310, 1},
+    {12312, 12313, 0},
+    {12313, 12312, 1},
+    {12314, 12315, 0},
+    {12315, 12314, 1},
+    {65113, 65114, 0},
+    {65114, 65113, 1},
+    {65115, 65116, 0},
+    {65116, 65115, 1},
+    {65117, 65118, 0},
+    {65118, 65117, 1},
+    {65288, 65289, 0},
+    {65289, 65288, 1},
+    {65339, 65341, 0},
+    {65341, 65339, 1},
+    {65371, 65373, 0},
+    {65373, 65371, 1},
+    {65375, 65376, 0},
+    {65376, 65375, 1},
+    {65378, 65379, 0},
+    {65379, 65378, 1},
+};
+
 /* Reindexing of NFC first characters. */
 #define TOTAL_FIRST 376
 #define TOTAL_LAST 62
@@ -1585,6 +1887,12 @@ static const Reindex nfc_last[] = {
 #define UCDN_SCRIPT_MULTANI 129
 #define UCDN_SCRIPT_OLD_HUNGARIAN 130
 #define UCDN_SCRIPT_SIGNWRITING 131
+#define UCDN_SCRIPT_ADLAM 132
+#define UCDN_SCRIPT_BHAIKSUKI 133
+#define UCDN_SCRIPT_MARCHEN 134
+#define UCDN_SCRIPT_NEWA 135
+#define UCDN_SCRIPT_OSAGE 136
+#define UCDN_SCRIPT_TANGUT 137
 
 #define UCDN_GENERAL_CATEGORY_CC 0
 #define UCDN_GENERAL_CATEGORY_CF 1
@@ -1654,26 +1962,27 @@ static const unsigned char index0[] = {
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 54, 55, 56, 56, 56, 57, 
-    58, 59, 60, 61, 62, 63, 64, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 
-    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 
-    65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 66, 67, 67, 67, 
-    67, 67, 67, 67, 67, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 
-    68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 52, 69, 70, 71, 72, 73, 
-    74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 88, 90, 
-    91, 92, 93, 94, 95, 96, 97, 98, 88, 99, 88, 88, 88, 88, 88, 100, 100, 
-    100, 101, 102, 103, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 104, 104, 
-    104, 104, 105, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 106, 106, 107, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 108, 108, 109, 110, 88, 88, 88, 111, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 112, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 113, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 114, 
-    115, 116, 117, 118, 119, 120, 121, 122, 122, 123, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 124, 88, 88, 88, 88, 88, 125, 88, 126, 127, 
-    128, 129, 130, 131, 132, 133, 134, 135, 88, 88, 88, 88, 88, 88, 52, 52, 
+    58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 65, 66, 67, 68, 
+    69, 70, 71, 65, 66, 67, 68, 69, 70, 71, 65, 66, 67, 68, 69, 70, 71, 65, 
+    66, 67, 68, 69, 70, 71, 65, 66, 67, 68, 69, 70, 71, 65, 72, 73, 73, 73, 
+    73, 73, 73, 73, 73, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 52, 75, 76, 77, 78, 79, 
+    80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 94, 96, 
+    97, 98, 99, 100, 101, 102, 103, 104, 94, 105, 94, 106, 94, 94, 94, 107, 
+    107, 107, 108, 109, 110, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 111, 
+    111, 112, 113, 114, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 115, 116, 117, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 118, 118, 119, 120, 94, 94, 94, 121, 122, 122, 122, 122, 122, 
+    122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 
+    122, 122, 122, 122, 123, 122, 122, 124, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 125, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 94, 94, 126, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 94, 94, 94, 94, 127, 128, 129, 130, 131, 132, 133, 134, 135, 
+    135, 136, 94, 94, 94, 94, 94, 137, 94, 94, 94, 94, 94, 94, 94, 138, 139, 
+    94, 94, 94, 94, 140, 94, 141, 142, 143, 144, 145, 146, 147, 148, 149, 
+    150, 151, 151, 151, 151, 151, 152, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
@@ -1682,216 +1991,216 @@ static const unsigned char index0[] = {
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
-    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
-    52, 52, 136, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
-    52, 137, 138, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
-    52, 52, 52, 52, 52, 52, 139, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 52, 52, 141, 140, 140, 140, 140, 142, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 
-    142, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
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-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
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-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
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-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
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-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
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-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
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-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
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-    88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 
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+    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 162, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 162, 
 };
 
 static const unsigned short index1[] = {
@@ -1912,992 +2221,1135 @@ static const unsigned short index1[] = {
     146, 147, 148, 149, 128, 128, 128, 128, 128, 128, 150, 150, 150, 150, 
     151, 152, 153, 120, 154, 155, 156, 156, 156, 157, 158, 159, 160, 160, 
     161, 162, 163, 164, 165, 166, 167, 167, 167, 168, 120, 120, 120, 120, 
-    120, 120, 120, 120, 128, 128, 169, 120, 120, 120, 120, 120, 170, 171, 
-    172, 173, 174, 175, 175, 175, 175, 175, 175, 176, 177, 178, 179, 175, 
-    180, 181, 182, 175, 183, 184, 185, 186, 186, 187, 188, 189, 190, 191, 
-    192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 201, 202, 203, 204, 
-    205, 206, 207, 208, 209, 210, 211, 120, 212, 213, 214, 215, 215, 216, 
-    217, 218, 219, 220, 221, 120, 222, 223, 224, 225, 226, 227, 228, 229, 
-    229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 120, 240, 241, 
-    242, 243, 244, 241, 245, 246, 247, 248, 249, 120, 250, 251, 252, 253, 
-    254, 255, 256, 257, 257, 256, 257, 258, 259, 260, 261, 262, 263, 264, 
-    120, 265, 266, 267, 268, 269, 269, 268, 270, 271, 272, 273, 274, 275, 
-    276, 277, 278, 120, 279, 280, 281, 282, 282, 282, 282, 283, 284, 285, 
-    286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 293, 293, 296, 297, 
-    294, 298, 299, 300, 301, 302, 303, 120, 304, 305, 305, 305, 305, 305, 
-    306, 307, 308, 309, 310, 311, 120, 120, 120, 120, 312, 313, 314, 315, 
-    316, 317, 318, 319, 320, 321, 322, 323, 120, 120, 120, 120, 324, 325, 
-    326, 327, 328, 329, 330, 331, 332, 333, 332, 332, 332, 334, 335, 336, 
-    337, 338, 339, 340, 339, 339, 339, 341, 342, 343, 344, 345, 120, 120, 
-    120, 120, 346, 346, 346, 346, 346, 347, 348, 349, 350, 351, 352, 353, 
-    354, 355, 356, 346, 357, 358, 350, 359, 360, 360, 360, 360, 361, 362, 
-    363, 363, 363, 363, 363, 364, 365, 365, 365, 365, 365, 365, 365, 365, 
-    365, 365, 365, 365, 366, 366, 366, 366, 366, 366, 366, 366, 366, 366, 
-    366, 366, 366, 366, 366, 366, 366, 366, 366, 366, 367, 367, 367, 367, 
-    367, 367, 367, 367, 367, 368, 369, 368, 367, 367, 367, 367, 367, 368, 
-    367, 367, 367, 367, 368, 369, 368, 367, 369, 367, 367, 367, 367, 367, 
-    367, 367, 368, 367, 367, 367, 367, 367, 367, 367, 367, 370, 371, 372, 
-    373, 374, 367, 367, 375, 376, 377, 377, 377, 377, 377, 377, 377, 377, 
-    377, 377, 378, 379, 380, 381, 381, 381, 381, 381, 381, 381, 381, 381, 
-    381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 
-    381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 
-    381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 
-    381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 
-    381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 381, 382, 381, 381, 
-    383, 384, 384, 385, 386, 386, 386, 386, 386, 386, 386, 386, 386, 387, 
-    388, 389, 390, 391, 392, 120, 393, 393, 394, 120, 395, 395, 396, 120, 
-    397, 398, 399, 120, 400, 400, 400, 400, 400, 400, 401, 402, 403, 404, 
-    405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 415, 415, 415, 
-    416, 415, 415, 415, 415, 415, 415, 120, 415, 415, 415, 415, 415, 417, 
-    381, 381, 381, 381, 381, 381, 381, 381, 418, 120, 419, 419, 419, 420, 
-    421, 422, 423, 424, 425, 426, 427, 427, 427, 428, 429, 120, 430, 430, 
-    430, 430, 430, 431, 430, 430, 430, 432, 433, 434, 435, 435, 435, 435, 
-    436, 436, 437, 438, 439, 439, 439, 439, 439, 439, 440, 441, 442, 443, 
-    444, 445, 446, 447, 446, 447, 448, 449, 450, 451, 120, 120, 120, 120, 
-    120, 120, 120, 120, 452, 453, 453, 453, 453, 453, 454, 455, 456, 457, 
-    458, 459, 460, 461, 462, 463, 464, 465, 465, 465, 466, 467, 468, 469, 
-    470, 470, 470, 470, 471, 472, 473, 474, 475, 475, 475, 475, 476, 477, 
-    478, 479, 480, 481, 482, 483, 484, 484, 484, 485, 120, 120, 120, 120, 
-    120, 120, 120, 120, 486, 120, 487, 488, 489, 490, 491, 492, 54, 54, 54, 
-    54, 493, 494, 56, 56, 56, 56, 56, 495, 496, 497, 54, 498, 54, 54, 54, 
-    499, 56, 56, 56, 500, 501, 502, 503, 504, 504, 504, 505, 506, 27, 27, 27, 
-    27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 507, 508, 27, 
-    27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 509, 510, 511, 512, 509, 510, 
-    509, 510, 511, 512, 509, 513, 509, 510, 509, 511, 509, 514, 509, 514, 
-    509, 514, 515, 516, 517, 518, 519, 520, 509, 521, 522, 523, 524, 525, 
-    526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 
-    540, 541, 56, 542, 543, 544, 543, 545, 120, 120, 546, 547, 548, 549, 550, 
-    120, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 
-    564, 563, 565, 566, 567, 568, 569, 570, 571, 572, 573, 572, 574, 575, 
-    572, 576, 572, 577, 578, 579, 580, 581, 582, 583, 584, 585, 586, 587, 
-    588, 589, 590, 591, 592, 587, 587, 593, 594, 595, 596, 597, 587, 587, 
-    598, 578, 599, 600, 587, 587, 601, 587, 587, 572, 602, 603, 572, 604, 
-    605, 606, 607, 607, 607, 607, 607, 607, 607, 607, 608, 572, 572, 609, 
-    610, 578, 578, 611, 572, 572, 572, 572, 577, 612, 572, 572, 613, 572, 
-    572, 572, 572, 614, 120, 120, 120, 572, 613, 120, 120, 615, 615, 615, 
-    615, 615, 616, 616, 617, 618, 618, 618, 618, 618, 618, 618, 618, 618, 
-    619, 615, 615, 620, 620, 620, 620, 620, 620, 620, 620, 620, 621, 620, 
-    620, 620, 620, 621, 572, 620, 620, 622, 572, 623, 573, 624, 625, 626, 
-    627, 573, 572, 622, 576, 572, 578, 628, 629, 625, 630, 572, 572, 572, 
-    572, 631, 572, 572, 572, 632, 633, 572, 572, 572, 572, 572, 634, 572, 
-    635, 572, 634, 636, 637, 620, 620, 638, 620, 620, 620, 572, 572, 572, 
-    572, 572, 572, 572, 639, 572, 572, 576, 572, 572, 640, 641, 615, 642, 
-    642, 643, 572, 572, 572, 572, 572, 644, 645, 646, 647, 648, 649, 578, 
-    578, 650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 
-    650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 650, 
-    650, 650, 650, 650, 650, 578, 578, 578, 578, 578, 578, 578, 578, 578, 
-    578, 578, 578, 578, 578, 578, 578, 651, 652, 652, 653, 587, 587, 578, 
-    654, 601, 655, 656, 657, 658, 659, 660, 661, 578, 662, 587, 663, 664, 
-    665, 666, 647, 578, 578, 590, 654, 666, 667, 668, 669, 587, 587, 587, 
-    587, 670, 671, 587, 587, 587, 587, 672, 673, 674, 647, 675, 676, 572, 
-    572, 572, 572, 572, 572, 578, 578, 677, 678, 679, 573, 572, 572, 680, 
-    572, 572, 572, 681, 572, 572, 572, 572, 682, 572, 683, 684, 120, 120, 
-    685, 120, 120, 686, 686, 686, 686, 686, 687, 688, 688, 688, 688, 688, 
-    689, 690, 691, 692, 693, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 
-    694, 695, 696, 697, 698, 698, 698, 698, 699, 700, 701, 701, 701, 701, 
-    701, 701, 701, 702, 703, 704, 367, 367, 369, 120, 369, 369, 369, 369, 
-    369, 369, 369, 369, 705, 705, 705, 705, 706, 707, 708, 709, 710, 711, 
-    533, 712, 713, 120, 120, 120, 120, 120, 120, 120, 714, 714, 714, 715, 
-    714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 716, 120, 714, 714, 
-    714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 
-    714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 717, 120, 120, 120, 
-    718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 729, 729, 
-    729, 729, 729, 729, 729, 729, 730, 731, 732, 733, 733, 733, 733, 733, 
-    733, 733, 733, 733, 733, 734, 735, 736, 736, 736, 736, 737, 738, 365, 
-    365, 365, 365, 365, 365, 365, 365, 365, 365, 739, 740, 741, 736, 736, 
-    736, 742, 718, 718, 718, 718, 719, 120, 733, 733, 743, 743, 743, 744, 
-    745, 746, 741, 741, 741, 747, 748, 749, 743, 743, 743, 750, 745, 746, 
-    741, 741, 741, 741, 751, 749, 741, 752, 753, 753, 753, 753, 753, 754, 
-    753, 753, 753, 753, 753, 753, 753, 753, 753, 753, 753, 741, 741, 741, 
-    755, 756, 741, 741, 741, 741, 741, 741, 741, 741, 741, 741, 741, 757, 
-    741, 741, 741, 755, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 759, 760, 572, 572, 572, 572, 572, 572, 572, 572, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 759, 760, 760, 760, 
-    760, 760, 761, 761, 762, 761, 761, 761, 761, 761, 761, 761, 761, 761, 
-    761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 
-    761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 
-    761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 
-    761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 
-    761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 761, 763, 
-    764, 764, 764, 764, 764, 764, 765, 120, 766, 766, 766, 766, 766, 767, 
-    768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 
-    768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 
-    768, 768, 768, 768, 768, 769, 768, 768, 770, 771, 120, 120, 101, 101, 
-    101, 101, 101, 772, 773, 774, 101, 101, 101, 775, 776, 776, 776, 776, 
-    776, 776, 776, 776, 777, 778, 779, 120, 64, 64, 780, 781, 782, 27, 783, 
-    27, 27, 27, 27, 27, 27, 27, 784, 785, 27, 786, 787, 27, 27, 788, 789, 
-    120, 120, 120, 120, 120, 120, 120, 790, 791, 792, 793, 794, 794, 795, 
-    796, 797, 798, 799, 799, 799, 799, 799, 799, 800, 120, 801, 802, 802, 
-    802, 802, 802, 803, 804, 805, 806, 807, 808, 809, 809, 810, 811, 812, 
-    813, 814, 814, 815, 816, 817, 817, 818, 819, 820, 821, 365, 365, 365, 
-    822, 823, 824, 824, 824, 824, 824, 825, 826, 827, 828, 829, 830, 831, 
-    346, 350, 832, 833, 833, 833, 833, 833, 834, 835, 120, 836, 837, 838, 
-    839, 346, 346, 840, 841, 842, 842, 842, 842, 842, 842, 843, 844, 845, 
-    120, 120, 846, 847, 848, 849, 120, 850, 850, 850, 120, 369, 369, 54, 54, 
-    54, 54, 54, 851, 852, 120, 853, 853, 853, 853, 853, 853, 853, 853, 853, 
-    853, 847, 847, 847, 847, 854, 855, 856, 857, 365, 365, 365, 365, 365, 
-    365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 
-    365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 
-    365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 365, 
-    365, 365, 365, 365, 365, 858, 120, 366, 366, 859, 860, 366, 366, 366, 
-    366, 366, 861, 862, 862, 862, 862, 862, 862, 862, 862, 862, 862, 862, 
-    862, 862, 862, 862, 862, 862, 862, 862, 862, 862, 862, 862, 862, 862, 
-    862, 862, 862, 862, 862, 862, 862, 863, 863, 863, 863, 863, 863, 863, 
-    863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 
-    863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 759, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 864, 760, 760, 760, 
-    760, 865, 120, 866, 867, 121, 868, 869, 870, 871, 121, 128, 128, 128, 
-    128, 128, 128, 128, 128, 128, 128, 128, 128, 872, 873, 874, 120, 875, 
+    120, 120, 120, 120, 128, 128, 169, 170, 120, 120, 171, 126, 172, 173, 
+    174, 175, 176, 177, 177, 177, 177, 177, 177, 178, 179, 180, 181, 177, 
+    182, 183, 184, 177, 185, 186, 187, 188, 188, 189, 190, 191, 192, 193, 
+    194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 203, 204, 205, 206, 
+    207, 208, 209, 210, 211, 212, 213, 120, 214, 215, 216, 217, 217, 218, 
+    219, 220, 221, 222, 223, 120, 224, 225, 226, 227, 228, 229, 230, 231, 
+    231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 120, 242, 243, 
+    244, 245, 246, 243, 247, 248, 249, 250, 251, 120, 252, 253, 254, 255, 
+    256, 257, 258, 259, 259, 258, 259, 260, 261, 262, 263, 264, 265, 266, 
+    120, 267, 268, 269, 270, 271, 271, 270, 272, 273, 274, 275, 276, 277, 
+    278, 279, 280, 120, 281, 282, 283, 284, 284, 284, 284, 285, 286, 287, 
+    288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 295, 295, 298, 299, 
+    296, 300, 301, 302, 303, 304, 305, 120, 306, 307, 307, 307, 307, 307, 
+    308, 309, 310, 311, 312, 313, 120, 120, 120, 120, 314, 315, 316, 317, 
+    318, 319, 320, 321, 322, 323, 324, 325, 120, 120, 120, 120, 326, 327, 
+    328, 329, 330, 331, 332, 333, 334, 335, 334, 334, 334, 336, 337, 338, 
+    339, 340, 341, 342, 341, 341, 341, 343, 344, 345, 346, 347, 120, 120, 
+    120, 120, 348, 348, 348, 348, 348, 349, 350, 351, 352, 353, 354, 355, 
+    356, 357, 358, 348, 359, 360, 352, 361, 362, 362, 362, 362, 363, 364, 
+    365, 365, 365, 365, 365, 366, 367, 367, 367, 367, 367, 367, 367, 367, 
+    367, 367, 367, 367, 368, 368, 368, 368, 368, 368, 368, 368, 368, 369, 
+    369, 369, 369, 369, 369, 369, 369, 369, 369, 369, 370, 370, 370, 370, 
+    370, 370, 370, 370, 370, 371, 372, 371, 370, 370, 370, 370, 370, 371, 
+    370, 370, 370, 370, 371, 372, 371, 370, 372, 370, 370, 370, 370, 370, 
+    370, 370, 371, 370, 370, 370, 370, 370, 370, 370, 370, 373, 374, 375, 
+    376, 377, 370, 370, 378, 379, 380, 380, 380, 380, 380, 380, 380, 380, 
+    380, 380, 381, 382, 383, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
+    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
+    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
+    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
+    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
+    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 385, 384, 384, 
+    386, 387, 387, 388, 389, 389, 389, 389, 389, 389, 389, 389, 389, 390, 
+    391, 392, 393, 394, 395, 120, 396, 396, 397, 120, 398, 398, 399, 120, 
+    400, 401, 402, 120, 403, 403, 403, 403, 403, 403, 404, 405, 406, 407, 
+    408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 418, 418, 418, 
+    419, 418, 418, 418, 418, 418, 418, 120, 420, 418, 418, 418, 418, 421, 
+    384, 384, 384, 384, 384, 384, 384, 384, 422, 120, 423, 423, 423, 424, 
+    425, 426, 427, 428, 429, 430, 431, 431, 431, 432, 433, 120, 434, 434, 
+    434, 434, 434, 435, 434, 434, 434, 436, 437, 438, 439, 439, 439, 439, 
+    440, 440, 441, 442, 443, 443, 443, 443, 443, 443, 444, 445, 446, 447, 
+    448, 449, 450, 451, 450, 451, 452, 453, 454, 455, 120, 120, 120, 120, 
+    120, 120, 120, 120, 456, 457, 457, 457, 457, 457, 458, 459, 460, 461, 
+    462, 463, 464, 465, 466, 467, 468, 469, 469, 469, 470, 471, 472, 473, 
+    474, 474, 474, 474, 475, 476, 477, 478, 479, 479, 479, 479, 480, 481, 
+    482, 483, 484, 485, 486, 487, 488, 488, 488, 489, 100, 490, 120, 120, 
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-    1176, 1180, 1181, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
-    607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 
-    607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 607, 
-    607, 607, 1182, 120, 607, 607, 607, 607, 1183, 1184, 607, 607, 607, 607, 
-    607, 607, 1185, 1186, 1187, 1188, 1189, 1190, 607, 607, 607, 1191, 607, 
-    607, 607, 607, 607, 607, 607, 1192, 120, 120, 927, 927, 927, 927, 927, 
-    927, 927, 927, 1193, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
-    120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 572, 
-    572, 572, 572, 572, 572, 572, 572, 572, 572, 614, 120, 922, 922, 1194, 
-    120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
-    120, 120, 120, 1195, 1195, 1195, 1196, 1197, 1197, 1198, 1195, 1195, 
-    1199, 1200, 1197, 1197, 1195, 1195, 1195, 1196, 1197, 1197, 1201, 1202, 
-    1203, 1199, 1204, 1205, 1197, 1195, 1195, 1195, 1196, 1197, 1197, 1206, 
-    1207, 1208, 1209, 1197, 1197, 1197, 1210, 1211, 1212, 1213, 1197, 1197, 
-    1198, 1195, 1195, 1199, 1197, 1197, 1197, 1195, 1195, 1195, 1196, 1197, 
-    1197, 1198, 1195, 1195, 1199, 1197, 1197, 1197, 1195, 1195, 1195, 1196, 
-    1197, 1197, 1198, 1195, 1195, 1199, 1197, 1197, 1197, 1195, 1195, 1195, 
-    1196, 1197, 1197, 1214, 1195, 1195, 1195, 1215, 1197, 1197, 1216, 1217, 
-    1195, 1195, 1218, 1197, 1197, 1219, 1198, 1195, 1195, 1220, 1197, 1197, 
-    1221, 1222, 1195, 1195, 1223, 1197, 1197, 1197, 1224, 1195, 1195, 1195, 
-    1215, 1197, 1197, 1216, 1225, 1226, 1226, 1226, 1226, 1226, 1226, 1227, 
-    1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 
-    1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 1227, 
-    1227, 1227, 1227, 1227, 1227, 1227, 1227, 1228, 1228, 1228, 1228, 1228, 
-    1228, 1229, 1230, 1228, 1228, 1228, 1228, 1228, 1231, 1232, 1227, 1233, 
-    1234, 120, 1235, 1236, 1228, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
-    120, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 
-    1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 1237, 
-    1237, 1238, 1239, 1240, 120, 120, 120, 120, 120, 1241, 128, 128, 128, 
-    1242, 1243, 1244, 1245, 1246, 1247, 1242, 1248, 1242, 1244, 1244, 1249, 
-    128, 1250, 128, 1251, 1252, 1250, 128, 1251, 120, 120, 120, 120, 120, 
-    120, 1253, 120, 572, 572, 572, 572, 572, 929, 572, 572, 572, 572, 572, 
-    572, 572, 572, 572, 572, 572, 572, 929, 120, 572, 614, 1254, 572, 1254, 
-    572, 1254, 572, 572, 572, 681, 120, 616, 1255, 618, 618, 618, 1256, 618, 
-    618, 618, 618, 618, 618, 618, 1257, 618, 618, 618, 618, 618, 1258, 120, 
-    120, 120, 120, 120, 120, 120, 120, 1259, 607, 607, 607, 1260, 120, 741, 
-    741, 741, 741, 741, 1261, 741, 1262, 1263, 120, 120, 120, 120, 120, 120, 
-    120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
-    120, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 572, 572, 572, 1264, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 1265, 572, 572, 572, 
-    572, 1266, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 1267, 120, 572, 
-    1268, 929, 120, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 572, 572, 929, 120, 572, 572, 572, 572, 572, 572, 572, 572, 572, 
-    572, 1268, 120, 120, 120, 120, 120, 572, 929, 572, 572, 572, 572, 572, 
-    572, 572, 120, 572, 684, 572, 572, 572, 572, 572, 120, 572, 572, 572, 
-    681, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 572, 
-    1267, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 1268, 
-    120, 120, 120, 120, 120, 120, 120, 1267, 120, 120, 120, 120, 120, 120, 
-    120, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 1269, 
-    760, 760, 760, 760, 760, 758, 758, 758, 758, 758, 758, 1270, 760, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 759, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 864, 760, 760, 760, 760, 760, 760, 760, 760, 
-    760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 
-    760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 
-    760, 760, 760, 760, 760, 760, 760, 758, 758, 758, 759, 760, 760, 760, 
-    760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 
-    760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 
-    760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 
-    760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 760, 
-    1271, 1272, 120, 120, 120, 1273, 1273, 1273, 1273, 1273, 1273, 1273, 
-    1273, 1273, 1273, 1273, 1273, 120, 120, 120, 120, 120, 120, 120, 120, 
-    120, 120, 120, 120, 120, 120, 120, 120, 879, 879, 879, 879, 879, 879, 
-    879, 879, 879, 879, 879, 879, 879, 879, 879, 879, 879, 879, 879, 879, 
-    879, 879, 879, 879, 879, 879, 879, 879, 879, 879, 120, 120, 863, 863, 
-    863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 
-    863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 863, 
-    863, 1274, 
+    120, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 
+    932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 
+    932, 932, 932, 120, 120, 916, 916, 916, 916, 916, 916, 916, 916, 916, 
+    916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 
+    916, 916, 916, 916, 916, 916, 916, 916, 1444, 
 };
 
 static const unsigned short index2[] = {
-    1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 4, 3, 1, 1, 1, 1, 1, 1, 3, 3, 3, 2, 
-    5, 6, 6, 7, 8, 7, 6, 6, 9, 10, 6, 11, 12, 13, 12, 12, 14, 14, 14, 14, 14, 
-    14, 14, 14, 14, 14, 12, 6, 15, 16, 15, 6, 6, 17, 17, 17, 17, 17, 17, 17, 
-    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 9, 6, 10, 18, 19, 18, 20, 20, 
-    20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 9, 16, 
-    10, 16, 1, 1, 1, 1, 1, 1, 3, 1, 1, 21, 22, 8, 8, 23, 8, 24, 22, 25, 26, 
-    27, 28, 16, 29, 30, 18, 31, 32, 33, 33, 25, 34, 22, 22, 25, 33, 27, 35, 
-    36, 36, 36, 22, 37, 37, 37, 37, 37, 37, 38, 37, 37, 37, 37, 37, 37, 37, 
-    37, 37, 38, 37, 37, 37, 37, 37, 37, 39, 38, 37, 37, 37, 37, 37, 38, 40, 
-    40, 40, 41, 41, 41, 41, 40, 41, 40, 40, 40, 41, 40, 40, 41, 41, 40, 41, 
-    40, 40, 41, 41, 41, 39, 40, 40, 40, 41, 40, 41, 40, 41, 37, 40, 37, 41, 
-    37, 41, 37, 41, 37, 41, 37, 41, 37, 41, 37, 41, 37, 40, 37, 40, 37, 41, 
-    37, 41, 37, 41, 37, 40, 37, 41, 37, 41, 37, 41, 37, 41, 37, 41, 38, 40, 
-    37, 40, 38, 40, 37, 41, 37, 41, 40, 37, 41, 37, 41, 37, 41, 38, 40, 38, 
-    40, 37, 40, 37, 41, 37, 40, 40, 38, 40, 37, 40, 37, 41, 37, 41, 38, 40, 
-    37, 41, 37, 41, 37, 37, 41, 37, 41, 37, 41, 41, 41, 37, 37, 41, 37, 41, 
-    37, 37, 41, 37, 37, 37, 41, 41, 37, 37, 37, 37, 41, 37, 37, 41, 37, 37, 
-    37, 41, 41, 41, 37, 37, 41, 37, 37, 41, 37, 41, 37, 41, 37, 37, 41, 37, 
-    41, 41, 37, 41, 37, 37, 41, 37, 37, 37, 41, 37, 41, 37, 37, 41, 41, 42, 
-    37, 41, 41, 41, 42, 42, 42, 42, 37, 43, 41, 37, 43, 41, 37, 43, 41, 37, 
-    40, 37, 40, 37, 40, 37, 40, 37, 40, 37, 40, 37, 40, 37, 40, 41, 37, 41, 
-    41, 37, 43, 41, 37, 41, 37, 37, 37, 41, 37, 41, 41, 41, 41, 41, 41, 41, 
-    37, 37, 41, 37, 37, 41, 41, 37, 41, 37, 37, 37, 37, 41, 41, 40, 41, 41, 
-    41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 42, 41, 
-    41, 41, 44, 44, 44, 44, 44, 44, 44, 44, 44, 45, 45, 46, 46, 46, 46, 46, 
-    46, 46, 47, 47, 25, 47, 45, 48, 45, 48, 48, 48, 45, 48, 45, 45, 49, 46, 
-    47, 47, 47, 47, 47, 47, 25, 25, 25, 25, 47, 25, 47, 25, 44, 44, 44, 44, 
-    44, 47, 47, 47, 47, 47, 50, 50, 45, 47, 46, 47, 47, 47, 47, 47, 47, 47, 
-    47, 47, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 52, 53, 53, 
-    53, 53, 52, 54, 53, 53, 53, 53, 53, 55, 55, 53, 53, 53, 53, 55, 55, 53, 
-    53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 56, 56, 56, 56, 56, 53, 53, 53, 
-    53, 51, 51, 51, 51, 51, 51, 51, 51, 57, 51, 53, 53, 53, 51, 51, 51, 53, 
-    53, 58, 51, 51, 51, 53, 53, 53, 53, 51, 52, 53, 53, 51, 59, 60, 60, 59, 
-    60, 60, 59, 51, 51, 51, 51, 51, 61, 62, 61, 62, 45, 63, 61, 62, 64, 64, 
-    65, 62, 62, 62, 66, 61, 64, 64, 64, 64, 63, 47, 61, 66, 61, 61, 61, 64, 
-    61, 64, 61, 61, 62, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 
-    67, 67, 67, 67, 64, 67, 67, 67, 67, 67, 67, 67, 61, 61, 62, 62, 62, 62, 
-    62, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 
-    62, 68, 68, 68, 68, 68, 68, 68, 62, 62, 62, 62, 62, 61, 62, 62, 61, 61, 
-    61, 62, 62, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 69, 70, 69, 70, 
-    69, 70, 69, 70, 69, 70, 69, 70, 69, 70, 62, 62, 62, 62, 61, 62, 71, 61, 
-    62, 61, 61, 62, 62, 61, 61, 61, 72, 73, 72, 72, 72, 72, 72, 72, 72, 72, 
-    72, 72, 72, 72, 72, 72, 73, 73, 73, 73, 73, 73, 73, 73, 74, 74, 74, 74, 
-    74, 74, 74, 74, 75, 74, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 
-    75, 75, 72, 75, 72, 75, 72, 75, 72, 75, 72, 75, 76, 77, 77, 78, 78, 77, 
-    79, 79, 72, 75, 72, 75, 72, 75, 72, 72, 75, 72, 75, 72, 75, 72, 75, 72, 
-    75, 72, 75, 72, 75, 75, 64, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 
-    80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 64, 64, 81, 82, 82, 82, 82, 
-    82, 82, 64, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 
-    64, 84, 85, 64, 64, 86, 86, 87, 64, 88, 89, 89, 89, 89, 88, 89, 89, 89, 
-    90, 88, 89, 89, 89, 89, 89, 89, 88, 88, 88, 88, 88, 88, 89, 89, 88, 89, 
-    89, 90, 91, 89, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 101, 102, 103, 
-    104, 105, 106, 107, 108, 109, 107, 89, 88, 107, 100, 64, 64, 64, 64, 64, 
-    64, 64, 64, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 64, 
-    64, 64, 64, 64, 110, 110, 110, 107, 107, 64, 64, 64, 111, 111, 111, 111, 
-    111, 112, 113, 113, 114, 115, 115, 116, 117, 118, 119, 119, 120, 120, 
-    120, 120, 120, 120, 120, 120, 121, 122, 123, 124, 125, 64, 118, 124, 126, 
-    126, 126, 126, 126, 126, 126, 126, 127, 126, 126, 126, 126, 126, 126, 
-    126, 126, 126, 126, 128, 129, 130, 131, 132, 133, 134, 135, 78, 78, 136, 
-    137, 120, 120, 120, 120, 120, 137, 120, 120, 137, 138, 138, 138, 138, 
-    138, 138, 138, 138, 138, 138, 115, 139, 139, 118, 126, 126, 140, 126, 
-    126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 118, 126, 120, 120, 
-    120, 120, 120, 120, 120, 112, 119, 120, 120, 120, 120, 137, 120, 141, 
-    141, 120, 120, 119, 137, 120, 120, 137, 126, 126, 142, 142, 142, 142, 
-    142, 142, 142, 142, 142, 142, 126, 126, 126, 143, 143, 126, 144, 144, 
-    144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 64, 145, 146, 
-    147, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 
-    146, 148, 149, 148, 148, 149, 148, 148, 149, 149, 149, 148, 149, 149, 
-    148, 149, 148, 148, 148, 149, 148, 149, 148, 149, 148, 149, 148, 148, 64, 
-    64, 146, 146, 146, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 
-    150, 150, 150, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 
-    150, 64, 64, 64, 64, 64, 64, 152, 152, 152, 152, 152, 152, 152, 152, 152, 
-    152, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 
-    153, 153, 153, 153, 154, 154, 154, 154, 154, 154, 154, 155, 154, 156, 
-    156, 157, 158, 158, 158, 156, 64, 64, 64, 64, 64, 159, 159, 159, 159, 
-    159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 160, 160, 160, 160, 
-    161, 160, 160, 160, 160, 160, 160, 160, 160, 160, 161, 160, 160, 160, 
-    161, 160, 160, 160, 160, 160, 64, 64, 162, 162, 162, 162, 162, 162, 162, 
-    162, 162, 162, 162, 162, 162, 162, 162, 64, 163, 163, 163, 163, 163, 163, 
-    163, 163, 163, 164, 164, 164, 64, 64, 165, 64, 126, 126, 126, 126, 126, 
-    64, 64, 64, 64, 64, 64, 137, 120, 120, 137, 120, 120, 137, 120, 120, 120, 
-    137, 137, 137, 166, 167, 168, 120, 120, 120, 137, 120, 120, 137, 137, 
-    120, 120, 120, 120, 120, 169, 169, 169, 170, 171, 171, 171, 171, 171, 
-    171, 171, 171, 171, 171, 171, 171, 171, 171, 169, 170, 172, 171, 170, 
-    170, 170, 169, 169, 169, 169, 169, 169, 169, 169, 170, 170, 170, 170, 
-    173, 170, 170, 171, 78, 136, 174, 174, 169, 169, 169, 171, 171, 169, 169, 
-    84, 84, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 176, 177, 171, 
-    171, 171, 171, 171, 171, 178, 179, 180, 180, 64, 178, 178, 178, 178, 178, 
-    178, 178, 178, 64, 64, 178, 178, 64, 64, 178, 178, 178, 178, 178, 178, 
-    178, 178, 178, 178, 178, 178, 178, 178, 64, 178, 178, 178, 178, 178, 178, 
-    178, 64, 178, 64, 64, 64, 178, 178, 178, 178, 64, 64, 181, 178, 180, 180, 
-    180, 179, 179, 179, 179, 64, 64, 180, 180, 64, 64, 180, 180, 182, 178, 
-    64, 64, 64, 64, 64, 64, 64, 64, 180, 64, 64, 64, 64, 178, 178, 64, 178, 
-    178, 178, 179, 179, 64, 64, 183, 183, 183, 183, 183, 183, 183, 183, 183, 
-    183, 178, 178, 184, 184, 185, 185, 185, 185, 185, 185, 186, 184, 64, 64, 
-    64, 64, 64, 187, 187, 188, 64, 189, 189, 189, 189, 189, 189, 64, 64, 64, 
-    64, 189, 189, 64, 64, 189, 189, 189, 189, 189, 189, 189, 189, 189, 189, 
-    189, 189, 189, 189, 64, 189, 189, 189, 189, 189, 189, 189, 64, 189, 189, 
-    64, 189, 189, 64, 189, 189, 64, 64, 190, 64, 188, 188, 188, 187, 187, 64, 
-    64, 64, 64, 187, 187, 64, 64, 187, 187, 191, 64, 64, 64, 187, 64, 64, 64, 
-    64, 64, 64, 64, 189, 189, 189, 189, 64, 189, 64, 64, 64, 64, 64, 64, 64, 
-    192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 187, 187, 189, 189, 
-    189, 187, 64, 64, 64, 193, 193, 194, 64, 195, 195, 195, 195, 195, 195, 
-    195, 195, 195, 64, 195, 195, 195, 64, 195, 195, 195, 195, 195, 195, 195, 
-    195, 195, 195, 195, 195, 195, 195, 64, 195, 195, 195, 195, 195, 195, 195, 
-    64, 195, 195, 64, 195, 195, 195, 195, 195, 64, 64, 196, 195, 194, 194, 
-    194, 193, 193, 193, 193, 193, 64, 193, 193, 194, 64, 194, 194, 197, 64, 
-    64, 195, 64, 64, 64, 64, 64, 64, 64, 195, 195, 193, 193, 64, 64, 198, 
-    198, 198, 198, 198, 198, 198, 198, 198, 198, 199, 200, 64, 64, 64, 64, 
-    64, 64, 64, 195, 64, 64, 64, 64, 64, 64, 64, 201, 202, 202, 64, 203, 203, 
-    203, 203, 203, 203, 203, 203, 64, 64, 203, 203, 64, 64, 203, 203, 203, 
-    203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 64, 203, 203, 203, 
-    203, 203, 203, 203, 64, 203, 203, 64, 203, 203, 203, 203, 203, 64, 64, 
-    204, 203, 202, 201, 202, 201, 201, 201, 201, 64, 64, 202, 202, 64, 64, 
-    202, 202, 205, 64, 64, 64, 64, 64, 64, 64, 64, 201, 202, 64, 64, 64, 64, 
-    203, 203, 64, 203, 203, 203, 201, 201, 64, 64, 206, 206, 206, 206, 206, 
-    206, 206, 206, 206, 206, 207, 203, 208, 208, 208, 208, 208, 208, 64, 64, 
-    209, 210, 64, 210, 210, 210, 210, 210, 210, 64, 64, 64, 210, 210, 210, 
-    64, 210, 210, 210, 210, 64, 64, 64, 210, 210, 64, 210, 64, 210, 210, 64, 
-    64, 64, 210, 210, 64, 64, 64, 210, 210, 210, 210, 210, 210, 210, 210, 
-    210, 210, 64, 64, 64, 64, 211, 211, 209, 211, 211, 64, 64, 64, 211, 211, 
-    211, 64, 211, 211, 211, 212, 64, 64, 210, 64, 64, 64, 64, 64, 64, 211, 
-    64, 64, 64, 64, 64, 64, 213, 213, 213, 213, 213, 213, 213, 213, 213, 213, 
-    214, 214, 214, 215, 215, 215, 215, 215, 215, 216, 215, 64, 64, 64, 64, 
-    64, 217, 218, 218, 218, 64, 219, 219, 219, 219, 219, 219, 219, 219, 64, 
-    219, 219, 219, 64, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 
-    219, 219, 219, 219, 219, 64, 64, 64, 219, 217, 217, 217, 218, 218, 218, 
-    218, 64, 217, 217, 217, 64, 217, 217, 217, 220, 64, 64, 64, 64, 64, 64, 
-    64, 221, 222, 64, 219, 219, 219, 64, 64, 64, 64, 64, 219, 219, 217, 217, 
-    64, 64, 223, 223, 223, 223, 223, 223, 223, 223, 223, 223, 224, 224, 224, 
-    224, 224, 224, 224, 225, 64, 226, 227, 227, 64, 228, 228, 228, 228, 228, 
-    228, 228, 228, 64, 228, 228, 228, 64, 228, 228, 228, 228, 228, 228, 228, 
-    228, 228, 228, 228, 228, 228, 228, 228, 228, 228, 228, 64, 228, 228, 228, 
-    228, 228, 64, 64, 229, 228, 227, 230, 227, 227, 227, 227, 227, 64, 230, 
-    227, 227, 64, 227, 227, 226, 231, 64, 64, 64, 64, 64, 64, 64, 227, 227, 
-    64, 64, 64, 64, 64, 64, 64, 228, 64, 228, 228, 226, 226, 64, 64, 232, 
-    232, 232, 232, 232, 232, 232, 232, 232, 232, 64, 228, 228, 64, 64, 64, 
-    64, 64, 64, 233, 234, 234, 64, 235, 235, 235, 235, 235, 235, 235, 235, 
-    64, 235, 235, 235, 64, 235, 235, 235, 235, 235, 235, 235, 235, 235, 235, 
-    235, 235, 235, 235, 235, 235, 235, 64, 64, 235, 234, 234, 234, 233, 233, 
-    233, 233, 64, 234, 234, 234, 64, 234, 234, 234, 236, 235, 64, 64, 64, 64, 
-    64, 64, 64, 64, 234, 64, 64, 64, 64, 64, 64, 64, 235, 235, 235, 233, 233, 
-    64, 64, 237, 237, 237, 237, 237, 237, 237, 237, 237, 237, 238, 238, 238, 
-    238, 238, 238, 64, 64, 64, 239, 235, 235, 235, 235, 235, 235, 64, 64, 
-    240, 240, 64, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 
-    241, 241, 241, 241, 241, 241, 64, 64, 64, 241, 241, 241, 241, 241, 241, 
-    241, 241, 64, 241, 241, 241, 241, 241, 241, 241, 241, 241, 64, 241, 64, 
-    64, 64, 64, 242, 64, 64, 64, 64, 240, 240, 240, 243, 243, 243, 64, 243, 
-    64, 240, 240, 240, 240, 240, 240, 240, 240, 64, 64, 64, 64, 64, 64, 244, 
-    244, 244, 244, 244, 244, 244, 244, 244, 244, 64, 64, 240, 240, 245, 64, 
-    64, 64, 64, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 
-    246, 246, 246, 246, 247, 246, 246, 247, 247, 247, 247, 248, 248, 249, 64, 
-    64, 64, 64, 250, 246, 246, 246, 246, 246, 246, 251, 247, 252, 252, 252, 
-    252, 247, 247, 247, 253, 254, 254, 254, 254, 254, 254, 254, 254, 254, 
-    254, 253, 253, 64, 64, 64, 64, 64, 255, 255, 64, 255, 64, 64, 255, 255, 
-    64, 255, 64, 64, 255, 64, 64, 64, 64, 64, 64, 255, 255, 255, 255, 64, 
-    255, 255, 255, 255, 255, 255, 255, 64, 255, 255, 255, 64, 255, 64, 255, 
-    64, 64, 255, 255, 64, 255, 255, 255, 255, 256, 255, 255, 256, 256, 256, 
-    256, 257, 257, 64, 256, 256, 255, 64, 64, 255, 255, 255, 255, 255, 64, 
-    258, 64, 259, 259, 259, 259, 256, 256, 64, 64, 260, 260, 260, 260, 260, 
-    260, 260, 260, 260, 260, 64, 64, 255, 255, 255, 255, 261, 262, 262, 262, 
-    263, 263, 263, 263, 263, 263, 263, 263, 263, 263, 263, 263, 263, 263, 
-    263, 262, 263, 262, 262, 262, 264, 264, 262, 262, 262, 262, 262, 262, 
-    265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 266, 266, 266, 266, 
-    266, 266, 266, 266, 266, 266, 262, 264, 262, 264, 262, 267, 268, 269, 
-    268, 269, 270, 270, 261, 261, 261, 261, 261, 261, 261, 261, 64, 261, 261, 
-    261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 64, 64, 64, 64, 271, 
-    272, 273, 274, 273, 273, 273, 273, 273, 272, 272, 272, 272, 273, 270, 
-    272, 273, 275, 275, 276, 263, 275, 275, 261, 261, 261, 261, 261, 273, 
-    273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 64, 273, 273, 273, 273, 
-    273, 273, 273, 273, 273, 273, 273, 273, 64, 262, 262, 262, 262, 262, 262, 
-    262, 262, 264, 262, 262, 262, 262, 262, 262, 64, 262, 262, 263, 263, 263, 
-    263, 263, 277, 277, 277, 277, 263, 263, 64, 64, 64, 64, 64, 278, 278, 
-    278, 278, 278, 278, 278, 278, 278, 278, 278, 279, 279, 280, 280, 280, 
-    280, 279, 280, 280, 280, 280, 280, 281, 279, 282, 282, 279, 279, 280, 
-    280, 278, 283, 283, 283, 283, 283, 283, 283, 283, 283, 283, 284, 284, 
-    284, 284, 284, 284, 278, 278, 278, 278, 278, 278, 279, 279, 280, 280, 
-    278, 278, 278, 278, 280, 280, 280, 278, 279, 279, 279, 278, 278, 279, 
-    279, 279, 279, 279, 279, 279, 278, 278, 278, 280, 280, 280, 280, 278, 
-    278, 278, 278, 278, 280, 279, 279, 280, 280, 279, 279, 279, 279, 279, 
-    279, 285, 278, 279, 283, 283, 279, 279, 279, 280, 286, 286, 287, 287, 
-    287, 287, 287, 287, 287, 287, 287, 287, 287, 287, 287, 287, 64, 287, 64, 
-    64, 64, 64, 64, 287, 64, 64, 288, 288, 288, 288, 288, 288, 288, 288, 288, 
-    288, 288, 84, 289, 288, 288, 288, 290, 290, 290, 290, 290, 290, 290, 290, 
-    291, 291, 291, 291, 291, 291, 291, 291, 292, 292, 292, 292, 292, 292, 
-    292, 292, 292, 64, 292, 292, 292, 292, 64, 64, 292, 292, 292, 292, 292, 
-    292, 292, 64, 292, 292, 292, 64, 64, 293, 293, 293, 294, 294, 294, 294, 
-    294, 294, 294, 294, 294, 295, 295, 295, 295, 295, 295, 295, 295, 295, 
-    295, 295, 295, 295, 295, 295, 295, 295, 295, 295, 295, 64, 64, 64, 296, 
-    296, 296, 296, 296, 296, 296, 296, 296, 296, 64, 64, 64, 64, 64, 64, 297, 
-    297, 297, 297, 297, 297, 297, 297, 297, 297, 297, 297, 297, 297, 64, 64, 
-    298, 298, 298, 298, 298, 298, 64, 64, 299, 300, 300, 300, 300, 300, 300, 
-    300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 
-    301, 301, 300, 302, 303, 303, 303, 303, 303, 303, 303, 303, 303, 303, 
-    303, 303, 303, 303, 303, 303, 303, 303, 304, 305, 64, 64, 64, 306, 306, 
-    306, 306, 306, 306, 306, 306, 306, 306, 306, 84, 84, 84, 307, 307, 307, 
-    306, 306, 306, 306, 306, 306, 306, 306, 64, 64, 64, 64, 64, 64, 64, 308, 
-    308, 308, 308, 308, 308, 308, 308, 308, 308, 308, 308, 308, 64, 308, 308, 
-    308, 308, 309, 309, 310, 64, 64, 64, 311, 311, 311, 311, 311, 311, 311, 
-    311, 311, 311, 312, 312, 313, 84, 84, 64, 314, 314, 314, 314, 314, 314, 
-    314, 314, 314, 314, 315, 315, 64, 64, 64, 64, 316, 316, 316, 316, 316, 
-    316, 316, 316, 316, 316, 316, 316, 316, 64, 316, 316, 316, 64, 317, 317, 
-    64, 64, 64, 64, 318, 318, 318, 318, 318, 318, 318, 318, 318, 318, 318, 
-    318, 319, 319, 320, 319, 319, 319, 319, 319, 319, 319, 320, 320, 320, 
-    320, 320, 320, 320, 320, 319, 320, 320, 319, 319, 319, 319, 319, 319, 
-    319, 319, 319, 321, 319, 322, 322, 322, 323, 322, 322, 322, 324, 318, 
-    325, 64, 64, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 64, 64, 
-    64, 64, 64, 64, 327, 327, 327, 327, 327, 327, 327, 327, 327, 327, 64, 64, 
-    64, 64, 64, 64, 328, 328, 66, 66, 328, 66, 329, 328, 328, 328, 328, 330, 
-    330, 330, 331, 64, 332, 332, 332, 332, 332, 332, 332, 332, 332, 332, 64, 
-    64, 64, 64, 64, 64, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 
-    333, 334, 333, 333, 333, 333, 333, 335, 333, 64, 64, 64, 64, 64, 300, 
-    300, 300, 300, 300, 300, 64, 64, 336, 336, 336, 336, 336, 336, 336, 336, 
-    336, 336, 336, 336, 336, 336, 336, 64, 337, 337, 337, 338, 338, 338, 338, 
-    337, 337, 338, 338, 338, 64, 64, 64, 64, 338, 338, 337, 338, 338, 338, 
-    338, 338, 338, 339, 340, 341, 64, 64, 64, 64, 342, 64, 64, 64, 343, 343, 
-    344, 344, 344, 344, 344, 344, 344, 344, 344, 344, 345, 345, 345, 345, 
-    345, 345, 345, 345, 345, 345, 345, 345, 345, 345, 64, 64, 345, 345, 345, 
-    345, 345, 64, 64, 64, 346, 346, 346, 346, 346, 346, 346, 346, 346, 346, 
-    346, 346, 64, 64, 64, 64, 346, 346, 64, 64, 64, 64, 64, 64, 347, 347, 
-    347, 347, 347, 347, 347, 347, 347, 347, 348, 64, 64, 64, 349, 349, 350, 
-    350, 350, 350, 350, 350, 350, 350, 351, 351, 351, 351, 351, 351, 351, 
-    351, 351, 351, 351, 351, 351, 351, 351, 352, 353, 354, 354, 355, 64, 64, 
-    356, 356, 357, 357, 357, 357, 357, 357, 357, 357, 357, 357, 357, 357, 
-    357, 358, 359, 358, 359, 359, 359, 359, 359, 359, 359, 64, 360, 358, 359, 
-    358, 358, 359, 359, 359, 359, 359, 359, 359, 359, 358, 358, 358, 358, 
-    358, 358, 359, 359, 361, 361, 361, 361, 361, 361, 361, 361, 64, 64, 362, 
-    363, 363, 363, 363, 363, 363, 363, 363, 363, 363, 64, 64, 64, 64, 64, 64, 
-    364, 364, 364, 364, 364, 364, 364, 365, 364, 364, 364, 364, 364, 364, 64, 
-    64, 78, 78, 78, 78, 78, 136, 136, 136, 136, 136, 136, 78, 78, 136, 366, 
-    64, 367, 367, 367, 367, 368, 369, 369, 369, 369, 369, 369, 369, 369, 369, 
-    369, 369, 369, 369, 369, 369, 370, 368, 367, 367, 367, 367, 367, 368, 
-    367, 368, 368, 368, 368, 368, 367, 368, 371, 369, 369, 369, 369, 369, 
-    369, 369, 64, 64, 64, 64, 372, 372, 372, 372, 372, 372, 372, 372, 372, 
-    372, 373, 373, 373, 373, 373, 373, 373, 374, 374, 374, 374, 374, 374, 
-    374, 374, 374, 374, 375, 376, 375, 375, 375, 375, 375, 375, 375, 374, 
-    374, 374, 374, 374, 374, 374, 374, 374, 64, 64, 64, 377, 377, 378, 379, 
-    379, 379, 379, 379, 379, 379, 379, 379, 379, 379, 379, 379, 379, 378, 
-    377, 377, 377, 377, 378, 378, 377, 377, 380, 381, 377, 377, 379, 379, 
-    382, 382, 382, 382, 382, 382, 382, 382, 382, 382, 379, 379, 379, 379, 
-    379, 379, 383, 383, 383, 383, 383, 383, 383, 383, 383, 383, 383, 383, 
-    383, 383, 384, 385, 386, 386, 385, 385, 385, 386, 385, 386, 386, 386, 
-    387, 387, 64, 64, 64, 64, 64, 64, 64, 64, 388, 388, 388, 388, 389, 389, 
-    389, 389, 389, 389, 389, 389, 389, 389, 389, 389, 390, 390, 390, 390, 
-    390, 390, 390, 390, 391, 391, 391, 391, 391, 391, 391, 391, 390, 390, 
-    391, 392, 64, 64, 64, 393, 393, 393, 393, 393, 394, 394, 394, 394, 394, 
-    394, 394, 394, 394, 394, 64, 64, 64, 389, 389, 389, 395, 395, 395, 395, 
-    395, 395, 395, 395, 395, 395, 396, 396, 396, 396, 396, 396, 396, 396, 
-    396, 396, 396, 396, 396, 396, 397, 397, 397, 397, 397, 397, 398, 398, 
-    399, 399, 399, 399, 399, 399, 399, 399, 78, 78, 78, 84, 400, 136, 136, 
-    136, 136, 136, 78, 78, 136, 136, 136, 136, 78, 401, 400, 400, 400, 400, 
-    400, 400, 400, 402, 402, 402, 402, 136, 402, 402, 402, 402, 401, 401, 78, 
-    402, 402, 64, 78, 78, 64, 64, 64, 64, 64, 64, 41, 41, 41, 41, 41, 41, 62, 
-    62, 62, 62, 62, 75, 44, 44, 44, 44, 44, 44, 44, 44, 44, 65, 65, 65, 65, 
-    65, 44, 44, 44, 44, 65, 65, 65, 65, 65, 41, 41, 41, 41, 41, 403, 41, 41, 
-    41, 41, 41, 41, 41, 41, 41, 41, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 
-    44, 44, 65, 78, 78, 136, 78, 78, 78, 78, 78, 78, 78, 136, 78, 78, 404, 
-    405, 136, 406, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 
-    78, 78, 78, 78, 78, 78, 78, 64, 64, 64, 64, 64, 64, 407, 136, 78, 136, 
-    37, 41, 37, 41, 37, 41, 41, 41, 41, 41, 41, 41, 41, 41, 37, 41, 62, 62, 
-    62, 62, 62, 62, 62, 62, 61, 61, 61, 61, 61, 61, 61, 61, 62, 62, 62, 62, 
-    62, 62, 64, 64, 61, 61, 61, 61, 61, 61, 64, 64, 64, 61, 64, 61, 64, 61, 
-    64, 61, 408, 408, 408, 408, 408, 408, 408, 408, 62, 62, 62, 62, 62, 64, 
-    62, 62, 61, 61, 61, 61, 408, 63, 62, 63, 63, 63, 62, 62, 62, 64, 62, 62, 
-    61, 61, 61, 61, 408, 63, 63, 63, 62, 62, 62, 62, 64, 64, 62, 62, 61, 61, 
-    61, 61, 64, 63, 63, 63, 61, 61, 61, 61, 61, 63, 63, 63, 64, 64, 62, 62, 
-    62, 64, 62, 62, 61, 61, 61, 61, 408, 63, 63, 64, 409, 409, 409, 409, 409, 
-    409, 409, 409, 409, 409, 409, 410, 411, 411, 412, 413, 414, 415, 415, 
-    414, 414, 414, 22, 66, 416, 417, 418, 419, 416, 417, 418, 419, 22, 22, 
-    22, 66, 22, 22, 22, 22, 420, 421, 422, 423, 424, 425, 426, 21, 427, 428, 
-    427, 427, 428, 22, 66, 66, 66, 28, 35, 22, 66, 66, 22, 429, 429, 66, 66, 
-    66, 430, 431, 432, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 433, 66, 
-    429, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 409, 410, 410, 410, 410, 
-    410, 64, 434, 435, 436, 437, 410, 410, 410, 410, 410, 410, 438, 44, 64, 
-    64, 33, 438, 438, 438, 438, 438, 439, 439, 433, 431, 432, 440, 438, 33, 
-    33, 33, 33, 438, 438, 438, 438, 438, 439, 439, 433, 431, 432, 64, 44, 44, 
-    44, 44, 44, 64, 64, 64, 250, 250, 250, 250, 250, 250, 250, 250, 250, 441, 
-    250, 250, 23, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 64, 78, 
-    78, 400, 400, 78, 78, 78, 78, 400, 400, 400, 78, 78, 366, 366, 366, 366, 
-    78, 366, 366, 366, 400, 400, 78, 136, 78, 400, 400, 136, 136, 136, 136, 
-    78, 64, 64, 64, 64, 64, 64, 64, 26, 26, 442, 30, 26, 30, 26, 442, 26, 30, 
-    34, 442, 442, 442, 34, 34, 442, 442, 442, 443, 26, 442, 30, 26, 433, 442, 
-    442, 442, 442, 442, 26, 26, 26, 30, 30, 26, 442, 26, 67, 26, 442, 26, 37, 
-    38, 442, 442, 444, 34, 442, 442, 37, 442, 34, 402, 402, 402, 402, 34, 26, 
-    26, 34, 34, 442, 442, 445, 433, 433, 433, 433, 442, 34, 34, 34, 34, 26, 
-    433, 26, 26, 41, 277, 446, 446, 446, 36, 36, 446, 446, 446, 446, 446, 
-    446, 36, 36, 36, 36, 446, 447, 447, 447, 447, 447, 447, 447, 447, 447, 
-    447, 447, 447, 448, 448, 448, 448, 447, 447, 448, 448, 448, 448, 448, 
-    448, 448, 448, 448, 37, 41, 448, 448, 448, 448, 36, 26, 26, 64, 64, 64, 
-    64, 39, 39, 39, 39, 39, 30, 30, 30, 30, 30, 433, 433, 26, 26, 26, 26, 
-    433, 26, 26, 433, 26, 26, 433, 26, 26, 26, 26, 26, 26, 26, 433, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 30, 30, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 433, 433, 26, 26, 39, 26, 39, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 30, 26, 26, 26, 26, 433, 433, 433, 433, 433, 433, 433, 433, 433, 
-    433, 433, 433, 39, 445, 449, 449, 445, 433, 433, 39, 449, 445, 445, 449, 
-    445, 445, 433, 39, 433, 449, 439, 450, 433, 449, 445, 433, 433, 433, 449, 
-    445, 445, 449, 39, 449, 449, 445, 445, 39, 445, 39, 445, 39, 39, 39, 39, 
-    449, 449, 445, 449, 445, 445, 445, 445, 445, 39, 39, 39, 39, 433, 445, 
-    433, 445, 449, 449, 445, 445, 445, 445, 445, 445, 445, 445, 445, 445, 
-    449, 445, 445, 445, 449, 433, 433, 433, 433, 433, 449, 445, 445, 445, 
-    433, 433, 433, 433, 433, 433, 433, 433, 433, 445, 449, 39, 445, 433, 449, 
-    449, 449, 449, 445, 445, 449, 449, 433, 433, 449, 449, 445, 445, 449, 
-    449, 445, 445, 449, 449, 445, 445, 445, 445, 445, 433, 433, 445, 445, 
-    445, 445, 433, 433, 39, 433, 433, 445, 39, 433, 433, 433, 433, 433, 433, 
-    433, 433, 445, 445, 433, 39, 445, 445, 445, 433, 433, 433, 433, 433, 445, 
-    449, 433, 445, 445, 445, 445, 445, 433, 433, 445, 445, 433, 433, 433, 
-    433, 445, 445, 445, 445, 445, 445, 445, 445, 433, 433, 431, 432, 431, 
-    432, 26, 26, 26, 26, 26, 26, 30, 26, 26, 26, 26, 26, 445, 445, 26, 26, 
-    26, 26, 26, 26, 26, 451, 452, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    277, 277, 277, 277, 277, 277, 277, 277, 277, 277, 277, 277, 277, 26, 433, 
-    26, 26, 26, 26, 26, 26, 26, 26, 277, 26, 26, 26, 26, 26, 433, 433, 433, 
-    433, 433, 433, 433, 433, 433, 26, 26, 26, 26, 433, 433, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 64, 64, 64, 64, 64, 26, 26, 26, 26, 26, 26, 26, 64, 
-    36, 36, 36, 36, 36, 36, 36, 36, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 
-    33, 33, 453, 453, 453, 453, 453, 453, 453, 453, 453, 453, 453, 453, 453, 
-    453, 446, 36, 36, 36, 36, 36, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 
-    30, 26, 26, 26, 26, 26, 26, 30, 30, 30, 30, 26, 26, 30, 30, 26, 30, 30, 
-    30, 30, 30, 26, 26, 30, 30, 26, 26, 30, 39, 26, 26, 26, 26, 30, 30, 26, 
-    26, 30, 39, 26, 26, 26, 26, 30, 30, 30, 26, 26, 30, 26, 26, 30, 30, 26, 
-    26, 26, 26, 26, 30, 30, 26, 26, 30, 26, 26, 26, 26, 30, 30, 26, 26, 26, 
-    26, 30, 26, 30, 26, 30, 26, 30, 26, 26, 26, 26, 26, 30, 30, 26, 30, 30, 
-    30, 26, 30, 30, 30, 30, 26, 30, 30, 26, 39, 26, 26, 26, 26, 26, 26, 30, 
-    30, 26, 26, 26, 26, 277, 26, 26, 26, 26, 26, 26, 26, 30, 30, 30, 30, 30, 
-    30, 30, 30, 30, 30, 26, 30, 30, 30, 26, 30, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 30, 26, 26, 431, 432, 431, 432, 431, 432, 431, 432, 431, 432, 
-    431, 432, 431, 432, 36, 36, 446, 446, 446, 446, 446, 446, 446, 446, 446, 
-    446, 446, 446, 26, 26, 26, 26, 445, 433, 433, 445, 445, 431, 432, 433, 
-    445, 445, 433, 445, 445, 445, 433, 433, 433, 433, 433, 445, 445, 445, 
-    445, 433, 433, 433, 433, 433, 445, 445, 445, 433, 433, 433, 445, 445, 
-    445, 445, 9, 10, 9, 10, 9, 10, 9, 10, 431, 432, 454, 454, 454, 454, 454, 
-    454, 454, 454, 433, 433, 433, 431, 432, 9, 10, 431, 432, 431, 432, 431, 
-    432, 431, 432, 431, 432, 433, 433, 445, 445, 445, 445, 445, 445, 433, 
-    433, 433, 433, 433, 433, 433, 433, 445, 433, 433, 433, 433, 445, 445, 
-    445, 445, 445, 433, 445, 445, 433, 433, 431, 432, 431, 432, 445, 433, 
-    433, 433, 433, 445, 433, 445, 445, 445, 433, 433, 445, 445, 433, 433, 
-    433, 433, 433, 433, 433, 433, 433, 433, 445, 445, 445, 445, 445, 445, 
-    433, 433, 431, 432, 433, 433, 433, 433, 445, 445, 445, 445, 445, 445, 
-    445, 445, 445, 445, 445, 433, 445, 445, 445, 445, 433, 433, 445, 433, 
-    445, 433, 433, 445, 433, 445, 445, 445, 445, 433, 433, 433, 433, 433, 
-    445, 445, 433, 433, 433, 433, 445, 445, 445, 445, 433, 445, 445, 433, 
-    433, 445, 445, 433, 433, 433, 433, 445, 445, 445, 445, 445, 445, 445, 
-    445, 445, 445, 445, 433, 433, 445, 445, 445, 445, 445, 445, 445, 445, 
-    433, 445, 445, 445, 445, 445, 445, 445, 445, 433, 433, 433, 433, 433, 
-    445, 433, 445, 433, 433, 433, 445, 445, 445, 445, 445, 433, 433, 433, 
-    433, 445, 433, 433, 433, 445, 445, 445, 445, 445, 433, 445, 433, 433, 
-    433, 433, 433, 433, 433, 26, 26, 433, 433, 433, 433, 433, 433, 26, 26, 
-    26, 26, 26, 26, 26, 26, 30, 30, 30, 26, 26, 26, 26, 64, 64, 26, 26, 26, 
-    26, 26, 26, 26, 26, 64, 64, 26, 26, 64, 64, 64, 26, 26, 26, 26, 64, 26, 
-    26, 26, 26, 26, 26, 26, 26, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 26, 
-    26, 26, 26, 455, 455, 455, 455, 455, 455, 455, 455, 455, 455, 455, 455, 
-    455, 455, 455, 64, 456, 456, 456, 456, 456, 456, 456, 456, 456, 456, 456, 
-    456, 456, 456, 456, 64, 37, 41, 37, 37, 37, 41, 41, 37, 41, 37, 41, 37, 
-    41, 37, 37, 37, 37, 41, 37, 41, 41, 37, 41, 41, 41, 41, 41, 41, 44, 44, 
-    37, 37, 69, 70, 69, 70, 70, 457, 457, 457, 457, 457, 457, 69, 70, 69, 70, 
-    458, 458, 458, 69, 70, 64, 64, 64, 64, 64, 459, 459, 459, 459, 460, 459, 
-    459, 461, 461, 461, 461, 461, 461, 461, 461, 461, 461, 461, 461, 461, 
-    461, 64, 461, 64, 64, 64, 64, 64, 461, 64, 64, 462, 462, 462, 462, 462, 
-    462, 462, 462, 64, 64, 64, 64, 64, 64, 64, 463, 464, 64, 64, 64, 64, 64, 
-    64, 64, 64, 64, 64, 64, 64, 64, 64, 465, 77, 77, 77, 77, 77, 77, 77, 77, 
-    66, 66, 28, 35, 28, 35, 66, 66, 66, 28, 35, 66, 28, 35, 66, 66, 66, 66, 
-    66, 66, 66, 66, 66, 415, 66, 66, 415, 66, 28, 35, 66, 66, 28, 35, 431, 
-    432, 431, 432, 431, 432, 431, 432, 66, 66, 66, 66, 66, 45, 66, 66, 415, 
-    415, 66, 66, 66, 66, 415, 66, 418, 64, 64, 64, 64, 64, 466, 466, 466, 
-    466, 466, 466, 466, 466, 466, 466, 64, 466, 466, 466, 466, 466, 466, 466, 
-    466, 466, 64, 64, 64, 64, 466, 466, 466, 466, 466, 466, 64, 64, 467, 467, 
-    467, 467, 467, 467, 467, 467, 467, 467, 467, 467, 64, 64, 64, 64, 468, 
-    469, 469, 469, 467, 470, 471, 472, 451, 452, 451, 452, 451, 452, 451, 
-    452, 451, 452, 467, 467, 451, 452, 451, 452, 451, 452, 451, 452, 473, 
-    474, 475, 475, 467, 472, 472, 472, 472, 472, 472, 472, 472, 472, 476, 
-    477, 478, 479, 480, 480, 473, 481, 481, 481, 481, 481, 467, 467, 472, 
-    472, 472, 470, 471, 469, 467, 26, 64, 482, 482, 482, 482, 482, 482, 482, 
-    482, 482, 482, 482, 482, 482, 482, 482, 482, 482, 482, 482, 482, 482, 
-    482, 64, 64, 483, 483, 484, 484, 485, 485, 482, 473, 486, 486, 486, 486, 
-    486, 486, 486, 486, 486, 486, 486, 486, 486, 486, 486, 486, 486, 486, 
-    469, 481, 487, 487, 486, 64, 64, 64, 64, 64, 488, 488, 488, 488, 488, 
-    488, 488, 488, 488, 488, 488, 488, 488, 488, 488, 488, 488, 64, 64, 64, 
-    290, 290, 290, 290, 290, 290, 290, 290, 290, 290, 290, 290, 290, 290, 64, 
-    489, 489, 490, 490, 490, 490, 489, 489, 489, 489, 489, 489, 489, 489, 
-    489, 489, 488, 488, 488, 64, 64, 64, 64, 64, 491, 491, 491, 491, 491, 
-    491, 491, 491, 491, 491, 491, 491, 491, 492, 492, 64, 490, 490, 490, 490, 
-    490, 490, 490, 490, 490, 490, 489, 489, 489, 489, 489, 489, 493, 493, 
-    493, 493, 493, 493, 493, 493, 467, 494, 494, 494, 494, 494, 494, 494, 
-    494, 494, 494, 494, 494, 494, 494, 494, 491, 491, 491, 491, 492, 492, 
-    492, 489, 489, 494, 494, 494, 494, 494, 494, 494, 489, 489, 489, 489, 
-    467, 467, 467, 467, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 
-    495, 495, 495, 495, 495, 64, 489, 489, 489, 489, 489, 489, 489, 467, 467, 
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-    467, 496, 496, 496, 496, 496, 496, 496, 496, 496, 496, 496, 496, 496, 
-    496, 497, 497, 497, 497, 497, 497, 497, 497, 497, 497, 498, 498, 498, 
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+    30, 30, 30, 16, 31, 32, 25, 1, 1, 1, 1, 1, 1, 33, 1, 1, 34, 35, 36, 13, 
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+    806, 806, 806, 806, 807, 807, 807, 807, 807, 807, 807, 807, 807, 807, 
+    807, 807, 807, 807, 807, 82, 808, 809, 808, 810, 810, 810, 810, 810, 810, 
+    810, 810, 810, 810, 810, 810, 810, 809, 809, 809, 809, 809, 809, 809, 
+    809, 809, 809, 809, 809, 809, 809, 811, 812, 812, 813, 813, 813, 813, 
+    813, 82, 82, 82, 82, 814, 814, 814, 814, 814, 814, 814, 814, 814, 814, 
+    814, 814, 814, 814, 814, 814, 814, 814, 814, 814, 815, 815, 815, 815, 
+    815, 815, 815, 815, 815, 815, 82, 82, 82, 82, 82, 82, 82, 811, 816, 816, 
+    817, 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, 
+    817, 817, 817, 816, 816, 816, 816, 817, 817, 819, 820, 821, 821, 822, 
+    823, 823, 823, 823, 82, 82, 82, 82, 82, 82, 824, 824, 824, 824, 824, 824, 
+    824, 824, 824, 82, 82, 82, 82, 82, 82, 82, 825, 825, 825, 825, 825, 825, 
+    825, 825, 825, 825, 82, 82, 82, 82, 82, 82, 826, 826, 826, 827, 827, 827, 
+    827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 
+    827, 827, 827, 828, 828, 828, 828, 828, 829, 828, 828, 828, 828, 828, 
+    828, 830, 830, 82, 831, 831, 831, 831, 831, 831, 831, 831, 831, 831, 832, 
+    832, 832, 832, 82, 82, 82, 82, 833, 833, 833, 833, 833, 833, 833, 833, 
+    833, 833, 833, 834, 835, 836, 833, 82, 837, 837, 838, 839, 839, 839, 839, 
+    839, 839, 839, 839, 839, 839, 839, 839, 839, 839, 839, 839, 838, 838, 
+    838, 837, 837, 837, 837, 837, 837, 837, 837, 837, 838, 840, 839, 839, 
+    839, 839, 841, 841, 842, 841, 842, 843, 837, 837, 842, 82, 82, 844, 844, 
+    844, 844, 844, 844, 844, 844, 844, 844, 839, 845, 839, 841, 841, 841, 82, 
+    846, 846, 846, 846, 846, 846, 846, 846, 846, 846, 846, 846, 846, 846, 
+    846, 846, 846, 846, 846, 846, 82, 82, 82, 847, 847, 847, 847, 847, 847, 
+    847, 847, 847, 847, 82, 847, 847, 847, 847, 847, 847, 847, 847, 847, 848, 
+    848, 848, 849, 849, 849, 848, 848, 849, 850, 851, 849, 852, 852, 853, 
+    852, 852, 853, 849, 82, 854, 854, 854, 854, 854, 854, 854, 82, 854, 82, 
+    854, 854, 854, 854, 82, 854, 854, 854, 854, 854, 854, 854, 854, 854, 854, 
+    854, 854, 854, 854, 854, 82, 854, 854, 855, 82, 82, 82, 82, 82, 82, 856, 
+    856, 856, 856, 856, 856, 856, 856, 856, 856, 856, 856, 856, 856, 856, 
+    857, 858, 858, 858, 857, 857, 857, 857, 857, 857, 859, 860, 82, 82, 82, 
+    82, 82, 861, 861, 861, 861, 861, 861, 861, 861, 861, 861, 82, 82, 82, 82, 
+    82, 82, 862, 862, 863, 863, 82, 864, 864, 864, 864, 864, 864, 864, 864, 
+    82, 82, 864, 864, 82, 82, 864, 864, 864, 864, 864, 864, 864, 864, 864, 
+    864, 864, 864, 864, 864, 82, 864, 864, 864, 864, 864, 864, 864, 82, 864, 
+    864, 82, 864, 864, 864, 864, 864, 82, 82, 865, 864, 863, 863, 862, 863, 
+    863, 863, 863, 82, 82, 863, 863, 82, 82, 863, 863, 866, 82, 82, 864, 82, 
+    82, 82, 82, 82, 82, 863, 82, 82, 82, 82, 82, 864, 864, 864, 864, 864, 
+    863, 863, 82, 82, 867, 867, 867, 867, 867, 867, 867, 82, 82, 82, 868, 
+    868, 868, 868, 868, 868, 868, 868, 868, 868, 868, 868, 868, 869, 869, 
+    869, 870, 870, 870, 870, 870, 870, 870, 870, 869, 869, 871, 870, 870, 
+    869, 872, 868, 868, 868, 868, 873, 873, 873, 873, 874, 875, 875, 875, 
+    875, 875, 875, 875, 875, 875, 875, 82, 873, 82, 874, 82, 82, 876, 876, 
+    876, 876, 876, 876, 876, 876, 877, 877, 877, 878, 878, 878, 878, 878, 
+    878, 877, 878, 877, 877, 877, 877, 878, 878, 877, 879, 880, 876, 876, 
+    881, 876, 882, 882, 882, 882, 882, 882, 882, 882, 882, 882, 82, 82, 82, 
+    82, 82, 82, 883, 883, 883, 883, 883, 883, 883, 883, 883, 883, 883, 883, 
+    883, 883, 883, 884, 884, 884, 885, 885, 885, 885, 82, 82, 884, 884, 884, 
+    884, 885, 885, 884, 886, 887, 888, 889, 889, 890, 890, 891, 891, 891, 
+    889, 889, 889, 889, 889, 889, 889, 889, 889, 889, 889, 889, 889, 889, 
+    889, 883, 883, 883, 883, 885, 885, 82, 82, 892, 892, 892, 892, 892, 892, 
+    892, 892, 893, 893, 893, 894, 894, 894, 894, 894, 894, 894, 894, 893, 
+    893, 894, 893, 895, 894, 896, 896, 897, 892, 82, 82, 82, 898, 898, 898, 
+    898, 898, 898, 898, 898, 898, 898, 82, 82, 82, 82, 82, 82, 899, 899, 899, 
+    899, 899, 899, 899, 899, 899, 899, 899, 899, 899, 82, 82, 82, 900, 900, 
+    900, 900, 900, 900, 900, 900, 900, 900, 900, 901, 902, 901, 902, 902, 
+    901, 901, 901, 901, 901, 901, 903, 904, 905, 905, 905, 905, 905, 905, 
+    905, 905, 905, 905, 82, 82, 82, 82, 82, 82, 906, 906, 906, 906, 906, 906, 
+    906, 906, 906, 906, 82, 82, 82, 907, 907, 907, 908, 908, 907, 907, 907, 
+    907, 908, 907, 907, 907, 907, 909, 82, 82, 82, 82, 910, 910, 910, 910, 
+    910, 910, 910, 910, 910, 910, 911, 911, 912, 912, 912, 913, 914, 914, 
+    914, 914, 914, 914, 914, 914, 915, 915, 915, 915, 915, 915, 915, 915, 
+    916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 917, 917, 917, 917, 
+    917, 917, 917, 917, 917, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 
+    918, 919, 919, 919, 919, 919, 919, 919, 919, 919, 82, 82, 82, 82, 82, 82, 
+    82, 920, 920, 920, 920, 920, 920, 920, 920, 920, 82, 920, 920, 920, 920, 
+    920, 920, 920, 920, 920, 920, 920, 920, 920, 921, 922, 922, 922, 922, 
+    922, 922, 922, 82, 922, 922, 922, 922, 922, 922, 921, 923, 920, 924, 924, 
+    924, 924, 924, 82, 82, 925, 925, 925, 925, 925, 925, 925, 925, 925, 925, 
+    926, 926, 926, 926, 926, 926, 926, 926, 926, 926, 926, 926, 926, 926, 
+    926, 926, 926, 926, 926, 82, 82, 82, 927, 928, 929, 929, 929, 929, 929, 
+    929, 929, 929, 929, 929, 929, 929, 929, 929, 82, 82, 930, 930, 930, 930, 
+    930, 930, 930, 930, 930, 930, 930, 930, 930, 930, 82, 931, 930, 930, 930, 
+    930, 930, 930, 930, 931, 930, 930, 931, 930, 930, 82, 932, 932, 932, 932, 
+    932, 932, 932, 932, 932, 932, 82, 82, 82, 82, 82, 82, 933, 933, 933, 933, 
+    933, 933, 933, 933, 933, 933, 933, 933, 933, 933, 933, 82, 934, 934, 934, 
+    934, 934, 82, 82, 82, 932, 932, 932, 932, 82, 82, 82, 82, 935, 935, 935, 
+    935, 935, 935, 935, 935, 936, 936, 936, 937, 937, 937, 935, 935, 935, 
+    935, 937, 935, 935, 935, 936, 937, 936, 937, 935, 935, 935, 935, 935, 
+    935, 935, 936, 937, 937, 935, 935, 935, 935, 935, 935, 935, 935, 935, 
+    935, 935, 82, 938, 938, 938, 938, 938, 938, 938, 938, 938, 938, 938, 938, 
+    938, 938, 939, 940, 938, 938, 938, 938, 938, 938, 938, 82, 609, 82, 82, 
+    82, 82, 82, 82, 82, 941, 941, 941, 941, 941, 941, 941, 941, 941, 941, 
+    941, 941, 941, 941, 941, 82, 942, 942, 942, 942, 942, 942, 942, 942, 942, 
+    942, 82, 82, 82, 82, 943, 943, 944, 944, 944, 944, 944, 944, 944, 944, 
+    944, 944, 944, 944, 944, 944, 82, 82, 945, 945, 945, 945, 945, 946, 82, 
+    82, 947, 947, 947, 947, 947, 947, 947, 947, 948, 948, 948, 948, 948, 948, 
+    948, 949, 949, 949, 950, 950, 951, 951, 951, 951, 952, 952, 952, 952, 
+    949, 951, 82, 82, 953, 953, 953, 953, 953, 953, 953, 953, 953, 953, 82, 
+    954, 954, 954, 954, 954, 954, 954, 82, 947, 947, 947, 947, 947, 82, 82, 
+    82, 82, 82, 947, 947, 947, 955, 955, 955, 955, 955, 955, 955, 955, 955, 
+    955, 955, 955, 955, 82, 82, 82, 955, 956, 956, 956, 956, 956, 956, 956, 
+    956, 956, 956, 956, 956, 956, 956, 956, 956, 956, 956, 956, 956, 956, 
+    956, 82, 82, 82, 82, 82, 82, 82, 82, 957, 957, 957, 957, 958, 958, 958, 
+    958, 958, 958, 958, 958, 958, 958, 958, 958, 958, 959, 82, 82, 82, 82, 
+    82, 82, 82, 960, 960, 960, 960, 960, 960, 960, 960, 960, 960, 960, 960, 
+    960, 82, 82, 82, 960, 960, 960, 82, 82, 82, 82, 82, 580, 575, 82, 82, 82, 
+    82, 82, 82, 961, 961, 961, 961, 961, 961, 961, 961, 961, 961, 961, 82, 
+    82, 82, 82, 82, 961, 961, 961, 961, 961, 82, 82, 82, 961, 82, 82, 82, 82, 
+    82, 82, 82, 961, 961, 82, 82, 962, 963, 964, 965, 499, 499, 499, 499, 82, 
+    82, 82, 82, 313, 313, 313, 313, 313, 313, 82, 82, 313, 313, 313, 313, 
+    313, 313, 313, 82, 82, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 
+    313, 313, 966, 966, 447, 447, 447, 313, 313, 313, 967, 966, 966, 966, 
+    966, 966, 499, 499, 499, 499, 499, 499, 499, 499, 157, 157, 157, 157, 
+    157, 157, 157, 157, 313, 313, 97, 97, 97, 97, 97, 157, 157, 313, 313, 
+    313, 313, 313, 313, 97, 97, 97, 97, 313, 313, 313, 82, 82, 82, 82, 82, 
+    82, 82, 728, 728, 968, 968, 968, 728, 82, 82, 620, 620, 82, 82, 82, 82, 
+    82, 82, 506, 506, 506, 506, 506, 506, 506, 506, 506, 506, 50, 50, 50, 50, 
+    50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 506, 506, 506, 
+    506, 506, 506, 506, 506, 506, 506, 50, 50, 50, 50, 50, 50, 50, 82, 50, 
+    50, 50, 50, 50, 50, 506, 82, 506, 506, 82, 82, 506, 82, 82, 506, 506, 82, 
+    82, 506, 506, 506, 506, 82, 506, 506, 50, 50, 82, 50, 82, 50, 50, 50, 50, 
+    50, 50, 50, 82, 50, 50, 50, 50, 50, 50, 50, 506, 506, 82, 506, 506, 506, 
+    506, 82, 82, 506, 506, 506, 506, 506, 506, 506, 506, 82, 506, 506, 506, 
+    506, 506, 506, 506, 82, 50, 50, 506, 506, 82, 506, 506, 506, 506, 82, 
+    506, 506, 506, 506, 506, 82, 506, 82, 82, 82, 506, 506, 506, 506, 506, 
+    506, 506, 82, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 82, 82, 
+    506, 969, 50, 50, 50, 50, 50, 50, 50, 50, 50, 513, 50, 50, 50, 50, 50, 
+    50, 506, 506, 506, 506, 506, 506, 506, 506, 506, 969, 50, 50, 50, 50, 50, 
+    50, 50, 50, 50, 513, 50, 50, 506, 506, 506, 506, 506, 969, 50, 50, 50, 
+    50, 50, 50, 50, 50, 50, 513, 50, 50, 50, 50, 50, 50, 506, 506, 506, 506, 
+    506, 506, 506, 506, 506, 969, 50, 513, 50, 50, 50, 50, 50, 50, 50, 50, 
+    506, 50, 82, 82, 970, 970, 970, 970, 970, 970, 970, 970, 970, 970, 971, 
+    971, 971, 971, 971, 971, 971, 971, 972, 972, 972, 972, 972, 972, 972, 
+    972, 972, 972, 972, 972, 972, 972, 972, 971, 971, 971, 971, 972, 972, 
+    972, 972, 972, 972, 972, 972, 972, 972, 971, 971, 971, 971, 971, 971, 
+    971, 971, 972, 971, 971, 971, 971, 971, 971, 972, 971, 971, 973, 973, 
+    973, 973, 974, 82, 82, 82, 82, 82, 82, 82, 972, 972, 972, 972, 972, 82, 
+    972, 972, 972, 972, 972, 972, 972, 975, 975, 975, 975, 975, 975, 975, 82, 
+    975, 975, 975, 975, 975, 975, 975, 975, 975, 82, 82, 975, 975, 975, 975, 
+    975, 975, 975, 82, 975, 975, 82, 975, 975, 975, 975, 975, 82, 82, 82, 82, 
+    82, 976, 976, 976, 976, 976, 976, 976, 976, 976, 976, 976, 976, 976, 82, 
+    82, 977, 977, 977, 977, 977, 977, 977, 977, 977, 978, 978, 978, 978, 978, 
+    978, 978, 82, 979, 979, 979, 979, 979, 979, 979, 979, 979, 979, 980, 980, 
+    980, 980, 980, 980, 980, 980, 980, 980, 980, 980, 980, 980, 980, 980, 
+    980, 980, 981, 981, 981, 981, 981, 981, 982, 82, 82, 82, 82, 82, 983, 
+    983, 983, 983, 983, 983, 983, 983, 983, 983, 82, 82, 82, 82, 984, 984, 
+    147, 147, 147, 147, 82, 147, 147, 147, 82, 147, 147, 82, 147, 82, 82, 
+    147, 82, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 82, 147, 147, 
+    147, 147, 82, 147, 82, 147, 82, 82, 82, 82, 82, 82, 147, 82, 82, 82, 82, 
+    147, 82, 147, 82, 147, 82, 147, 147, 147, 82, 147, 82, 147, 82, 147, 82, 
+    147, 82, 147, 147, 147, 147, 82, 147, 82, 147, 147, 82, 147, 147, 147, 
+    147, 147, 147, 147, 147, 147, 82, 82, 82, 82, 82, 147, 147, 147, 82, 147, 
+    147, 147, 133, 133, 82, 82, 82, 82, 82, 82, 527, 527, 527, 527, 523, 527, 
+    527, 527, 527, 527, 527, 527, 527, 527, 527, 527, 527, 527, 527, 527, 
+    985, 985, 985, 985, 985, 985, 985, 985, 985, 985, 985, 985, 527, 527, 
+    527, 527, 527, 527, 527, 985, 985, 527, 527, 527, 527, 527, 527, 527, 
+    527, 527, 527, 527, 527, 527, 527, 523, 527, 527, 527, 527, 527, 527, 
+    985, 985, 48, 48, 48, 516, 516, 985, 985, 985, 528, 528, 528, 528, 528, 
+    528, 313, 985, 528, 528, 41, 41, 985, 985, 985, 985, 528, 528, 528, 528, 
+    528, 528, 986, 528, 528, 986, 986, 986, 986, 986, 986, 986, 986, 986, 
+    986, 528, 528, 528, 528, 528, 528, 528, 528, 528, 528, 985, 985, 985, 
+    985, 985, 985, 985, 985, 985, 987, 987, 987, 987, 987, 987, 987, 987, 
+    987, 987, 988, 586, 586, 985, 985, 985, 985, 985, 586, 586, 586, 586, 
+    985, 985, 985, 985, 586, 985, 985, 985, 985, 985, 985, 985, 586, 586, 
+    985, 985, 985, 985, 985, 985, 523, 527, 527, 527, 527, 527, 527, 527, 
+    527, 527, 527, 527, 527, 523, 523, 523, 523, 523, 523, 523, 523, 523, 
+    527, 523, 523, 523, 523, 523, 523, 527, 523, 523, 523, 523, 523, 523, 
+    523, 534, 523, 523, 523, 523, 523, 523, 527, 527, 527, 527, 527, 527, 
+    527, 527, 41, 41, 527, 527, 523, 523, 523, 523, 523, 526, 526, 523, 523, 
+    523, 523, 523, 526, 523, 523, 523, 523, 523, 523, 534, 534, 523, 523, 
+    523, 523, 523, 534, 532, 527, 527, 527, 523, 523, 527, 527, 527, 523, 
+    527, 527, 527, 523, 523, 523, 989, 989, 989, 989, 989, 523, 523, 523, 
+    523, 523, 523, 523, 527, 523, 527, 534, 534, 523, 523, 534, 534, 534, 
+    534, 534, 534, 534, 534, 534, 534, 534, 523, 523, 523, 523, 523, 523, 
+    523, 523, 523, 523, 523, 523, 523, 534, 534, 534, 534, 523, 523, 523, 
+    523, 534, 523, 534, 523, 523, 523, 534, 523, 523, 523, 523, 534, 534, 
+    534, 523, 534, 534, 534, 526, 523, 526, 523, 526, 523, 523, 523, 523, 
+    523, 534, 523, 523, 523, 523, 526, 523, 526, 526, 523, 523, 523, 523, 
+    523, 523, 523, 523, 523, 523, 527, 527, 523, 526, 526, 526, 526, 526, 
+    526, 526, 523, 523, 523, 523, 523, 523, 523, 523, 526, 526, 526, 526, 
+    526, 526, 523, 523, 523, 523, 523, 526, 526, 526, 526, 526, 526, 526, 
+    526, 526, 526, 526, 526, 41, 41, 41, 41, 527, 523, 523, 523, 523, 527, 
+    527, 527, 527, 527, 527, 532, 527, 527, 527, 527, 534, 527, 527, 527, 
+    527, 527, 532, 527, 527, 527, 527, 534, 534, 527, 527, 527, 527, 527, 41, 
+    41, 41, 41, 41, 41, 41, 41, 527, 527, 527, 527, 41, 41, 527, 523, 523, 
+    523, 523, 523, 523, 523, 523, 523, 523, 534, 534, 534, 523, 523, 523, 
+    534, 534, 534, 534, 534, 41, 41, 41, 41, 41, 41, 536, 536, 536, 990, 990, 
+    990, 41, 41, 41, 41, 523, 523, 523, 534, 523, 523, 523, 523, 523, 523, 
+    523, 523, 534, 534, 534, 523, 534, 523, 523, 523, 523, 523, 527, 527, 
+    523, 523, 523, 985, 985, 985, 985, 985, 527, 527, 527, 523, 523, 985, 
+    985, 985, 527, 527, 527, 527, 523, 523, 523, 985, 41, 41, 41, 41, 985, 
+    985, 985, 985, 41, 41, 41, 41, 41, 985, 985, 985, 41, 41, 985, 985, 985, 
+    985, 985, 985, 41, 41, 41, 41, 41, 41, 985, 985, 534, 534, 534, 534, 534, 
+    534, 534, 985, 523, 523, 523, 523, 523, 523, 534, 523, 534, 985, 985, 
+    534, 534, 534, 534, 534, 534, 534, 523, 523, 534, 534, 534, 985, 523, 
+    523, 523, 523, 985, 985, 985, 985, 523, 523, 523, 523, 523, 523, 523, 
+    985, 523, 523, 985, 985, 985, 985, 985, 985, 523, 985, 985, 985, 985, 
+    985, 985, 985, 985, 985, 985, 985, 985, 985, 82, 82, 593, 593, 593, 593, 
+    593, 593, 593, 594, 593, 593, 593, 593, 593, 594, 594, 594, 594, 594, 
+    594, 594, 594, 594, 82, 82, 82, 499, 82, 82, 82, 82, 82, 82, 499, 499, 
+    499, 499, 499, 499, 499, 499, 671, 671, 671, 671, 671, 671, 82, 82, 
 };
 
 /* decomposition data */
@@ -3874,98 +4326,98 @@ static const unsigned short decomp_data[] = {
     25429, 266, 19968, 266, 19977, 266, 36938, 266, 24038, 266, 20013, 266, 
     21491, 266, 25351, 266, 36208, 266, 25171, 266, 31105, 266, 31354, 266, 
     21512, 266, 28288, 266, 26377, 266, 26376, 266, 30003, 266, 21106, 266, 
-    21942, 770, 12308, 26412, 12309, 770, 12308, 19977, 12309, 770, 12308, 
-    20108, 12309, 770, 12308, 23433, 12309, 770, 12308, 28857, 12309, 770, 
-    12308, 25171, 12309, 770, 12308, 30423, 12309, 770, 12308, 21213, 12309, 
-    770, 12308, 25943, 12309, 263, 24471, 263, 21487, 256, 20029, 256, 20024, 
-    256, 20033, 256, 55360, 56610, 256, 20320, 256, 20398, 256, 20411, 256, 
-    20482, 256, 20602, 256, 20633, 256, 20711, 256, 20687, 256, 13470, 256, 
-    55361, 56890, 256, 20813, 256, 20820, 256, 20836, 256, 20855, 256, 55361, 
-    56604, 256, 13497, 256, 20839, 256, 20877, 256, 55361, 56651, 256, 20887, 
-    256, 20900, 256, 20172, 256, 20908, 256, 20917, 256, 55396, 56799, 256, 
-    20981, 256, 20995, 256, 13535, 256, 21051, 256, 21062, 256, 21106, 256, 
-    21111, 256, 13589, 256, 21191, 256, 21193, 256, 21220, 256, 21242, 256, 
-    21253, 256, 21254, 256, 21271, 256, 21321, 256, 21329, 256, 21338, 256, 
-    21363, 256, 21373, 256, 21375, 256, 21375, 256, 21375, 256, 55362, 56876, 
-    256, 28784, 256, 21450, 256, 21471, 256, 55362, 57187, 256, 21483, 256, 
-    21489, 256, 21510, 256, 21662, 256, 21560, 256, 21576, 256, 21608, 256, 
-    21666, 256, 21750, 256, 21776, 256, 21843, 256, 21859, 256, 21892, 256, 
-    21892, 256, 21913, 256, 21931, 256, 21939, 256, 21954, 256, 22294, 256, 
-    22022, 256, 22295, 256, 22097, 256, 22132, 256, 20999, 256, 22766, 256, 
-    22478, 256, 22516, 256, 22541, 256, 22411, 256, 22578, 256, 22577, 256, 
-    22700, 256, 55365, 56548, 256, 22770, 256, 22775, 256, 22790, 256, 22810, 
-    256, 22818, 256, 22882, 256, 55365, 57000, 256, 55365, 57066, 256, 23020, 
-    256, 23067, 256, 23079, 256, 23000, 256, 23142, 256, 14062, 256, 14076, 
-    256, 23304, 256, 23358, 256, 23358, 256, 55366, 56776, 256, 23491, 256, 
-    23512, 256, 23527, 256, 23539, 256, 55366, 57112, 256, 23551, 256, 23558, 
-    256, 24403, 256, 23586, 256, 14209, 256, 23648, 256, 23662, 256, 23744, 
-    256, 23693, 256, 55367, 56804, 256, 23875, 256, 55367, 56806, 256, 23918, 
-    256, 23915, 256, 23932, 256, 24033, 256, 24034, 256, 14383, 256, 24061, 
-    256, 24104, 256, 24125, 256, 24169, 256, 14434, 256, 55368, 56707, 256, 
-    14460, 256, 24240, 256, 24243, 256, 24246, 256, 24266, 256, 55400, 57234, 
-    256, 24318, 256, 55368, 57137, 256, 55368, 57137, 256, 33281, 256, 24354, 
-    256, 24354, 256, 14535, 256, 55372, 57016, 256, 55384, 56794, 256, 24418, 
-    256, 24427, 256, 14563, 256, 24474, 256, 24525, 256, 24535, 256, 24569, 
-    256, 24705, 256, 14650, 256, 14620, 256, 24724, 256, 55369, 57044, 256, 
-    24775, 256, 24904, 256, 24908, 256, 24910, 256, 24908, 256, 24954, 256, 
-    24974, 256, 25010, 256, 24996, 256, 25007, 256, 25054, 256, 25074, 256, 
-    25078, 256, 25104, 256, 25115, 256, 25181, 256, 25265, 256, 25300, 256, 
-    25424, 256, 55370, 57100, 256, 25405, 256, 25340, 256, 25448, 256, 25475, 
-    256, 25572, 256, 55370, 57329, 256, 25634, 256, 25541, 256, 25513, 256, 
-    14894, 256, 25705, 256, 25726, 256, 25757, 256, 25719, 256, 14956, 256, 
-    25935, 256, 25964, 256, 55372, 56330, 256, 26083, 256, 26360, 256, 26185, 
-    256, 15129, 256, 26257, 256, 15112, 256, 15076, 256, 20882, 256, 20885, 
-    256, 26368, 256, 26268, 256, 32941, 256, 17369, 256, 26391, 256, 26395, 
-    256, 26401, 256, 26462, 256, 26451, 256, 55372, 57283, 256, 15177, 256, 
-    26618, 256, 26501, 256, 26706, 256, 26757, 256, 55373, 56429, 256, 26766, 
-    256, 26655, 256, 26900, 256, 15261, 256, 26946, 256, 27043, 256, 27114, 
-    256, 27304, 256, 55373, 56995, 256, 27355, 256, 15384, 256, 27425, 256, 
-    55374, 56487, 256, 27476, 256, 15438, 256, 27506, 256, 27551, 256, 27578, 
-    256, 27579, 256, 55374, 56973, 256, 55367, 56587, 256, 55374, 57082, 256, 
-    27726, 256, 55375, 56508, 256, 27839, 256, 27853, 256, 27751, 256, 27926, 
-    256, 27966, 256, 28023, 256, 27969, 256, 28009, 256, 28024, 256, 28037, 
-    256, 55375, 56606, 256, 27956, 256, 28207, 256, 28270, 256, 15667, 256, 
-    28363, 256, 28359, 256, 55375, 57041, 256, 28153, 256, 28526, 256, 55375, 
-    57182, 256, 55375, 57230, 256, 28614, 256, 28729, 256, 28702, 256, 28699, 
-    256, 15766, 256, 28746, 256, 28797, 256, 28791, 256, 28845, 256, 55361, 
-    56613, 256, 28997, 256, 55376, 56931, 256, 29084, 256, 55376, 57259, 256, 
-    29224, 256, 29237, 256, 29264, 256, 55377, 56840, 256, 29312, 256, 29333, 
-    256, 55377, 57141, 256, 55378, 56340, 256, 29562, 256, 29579, 256, 16044, 
-    256, 29605, 256, 16056, 256, 16056, 256, 29767, 256, 29788, 256, 29809, 
-    256, 29829, 256, 29898, 256, 16155, 256, 29988, 256, 55379, 56374, 256, 
-    30014, 256, 55379, 56466, 256, 30064, 256, 55368, 56735, 256, 30224, 256, 
-    55379, 57249, 256, 55379, 57272, 256, 55380, 56388, 256, 16380, 256, 
-    16392, 256, 30452, 256, 55380, 56563, 256, 55380, 56562, 256, 55380, 
-    56601, 256, 55380, 56627, 256, 30494, 256, 30495, 256, 30495, 256, 30538, 
-    256, 16441, 256, 30603, 256, 16454, 256, 16534, 256, 55381, 56349, 256, 
-    30798, 256, 30860, 256, 30924, 256, 16611, 256, 55381, 56870, 256, 31062, 
-    256, 55381, 56986, 256, 55381, 57029, 256, 31119, 256, 31211, 256, 16687, 
-    256, 31296, 256, 31306, 256, 31311, 256, 55382, 56700, 256, 55382, 56999, 
-    256, 55382, 56999, 256, 31470, 256, 16898, 256, 55382, 57259, 256, 31686, 
-    256, 31689, 256, 16935, 256, 55383, 56448, 256, 31954, 256, 17056, 256, 
-    31976, 256, 31971, 256, 32000, 256, 55383, 57222, 256, 32099, 256, 17153, 
-    256, 32199, 256, 32258, 256, 32325, 256, 17204, 256, 55384, 56872, 256, 
-    55384, 56903, 256, 17241, 256, 55384, 57049, 256, 32634, 256, 55384, 
-    57150, 256, 32661, 256, 32762, 256, 32773, 256, 55385, 56538, 256, 55385, 
-    56611, 256, 32864, 256, 55385, 56744, 256, 32880, 256, 55372, 57183, 256, 
-    17365, 256, 32946, 256, 33027, 256, 17419, 256, 33086, 256, 23221, 256, 
-    55385, 57255, 256, 55385, 57269, 256, 55372, 57235, 256, 55372, 57244, 
-    256, 33281, 256, 33284, 256, 36766, 256, 17515, 256, 33425, 256, 33419, 
-    256, 33437, 256, 21171, 256, 33457, 256, 33459, 256, 33469, 256, 33510, 
-    256, 55386, 57148, 256, 33509, 256, 33565, 256, 33635, 256, 33709, 256, 
-    33571, 256, 33725, 256, 33767, 256, 33879, 256, 33619, 256, 33738, 256, 
-    33740, 256, 33756, 256, 55387, 56374, 256, 55387, 56683, 256, 55387, 
-    56533, 256, 17707, 256, 34033, 256, 34035, 256, 34070, 256, 55388, 57290, 
-    256, 34148, 256, 55387, 57132, 256, 17757, 256, 17761, 256, 55387, 57265, 
-    256, 55388, 56530, 256, 17771, 256, 34384, 256, 34396, 256, 34407, 256, 
-    34409, 256, 34473, 256, 34440, 256, 34574, 256, 34530, 256, 34681, 256, 
-    34600, 256, 34667, 256, 34694, 256, 17879, 256, 34785, 256, 34817, 256, 
-    17913, 256, 34912, 256, 34915, 256, 55389, 56935, 256, 35031, 256, 35038, 
-    256, 17973, 256, 35066, 256, 13499, 256, 55390, 56494, 256, 55390, 56678, 
-    256, 18110, 256, 18119, 256, 35488, 256, 35565, 256, 35722, 256, 35925, 
-    256, 55391, 56488, 256, 36011, 256, 36033, 256, 36123, 256, 36215, 256, 
-    55391, 57135, 256, 55362, 56324, 256, 36299, 256, 36284, 256, 36336, 256, 
-    55362, 56542, 256, 36564, 256, 36664, 256, 55393, 56786, 256, 55393, 
+    21942, 266, 37197, 770, 12308, 26412, 12309, 770, 12308, 19977, 12309, 
+    770, 12308, 20108, 12309, 770, 12308, 23433, 12309, 770, 12308, 28857, 
+    12309, 770, 12308, 25171, 12309, 770, 12308, 30423, 12309, 770, 12308, 
+    21213, 12309, 770, 12308, 25943, 12309, 263, 24471, 263, 21487, 256, 
+    20029, 256, 20024, 256, 20033, 256, 55360, 56610, 256, 20320, 256, 20398, 
+    256, 20411, 256, 20482, 256, 20602, 256, 20633, 256, 20711, 256, 20687, 
+    256, 13470, 256, 55361, 56890, 256, 20813, 256, 20820, 256, 20836, 256, 
+    20855, 256, 55361, 56604, 256, 13497, 256, 20839, 256, 20877, 256, 55361, 
+    56651, 256, 20887, 256, 20900, 256, 20172, 256, 20908, 256, 20917, 256, 
+    55396, 56799, 256, 20981, 256, 20995, 256, 13535, 256, 21051, 256, 21062, 
+    256, 21106, 256, 21111, 256, 13589, 256, 21191, 256, 21193, 256, 21220, 
+    256, 21242, 256, 21253, 256, 21254, 256, 21271, 256, 21321, 256, 21329, 
+    256, 21338, 256, 21363, 256, 21373, 256, 21375, 256, 21375, 256, 21375, 
+    256, 55362, 56876, 256, 28784, 256, 21450, 256, 21471, 256, 55362, 57187, 
+    256, 21483, 256, 21489, 256, 21510, 256, 21662, 256, 21560, 256, 21576, 
+    256, 21608, 256, 21666, 256, 21750, 256, 21776, 256, 21843, 256, 21859, 
+    256, 21892, 256, 21892, 256, 21913, 256, 21931, 256, 21939, 256, 21954, 
+    256, 22294, 256, 22022, 256, 22295, 256, 22097, 256, 22132, 256, 20999, 
+    256, 22766, 256, 22478, 256, 22516, 256, 22541, 256, 22411, 256, 22578, 
+    256, 22577, 256, 22700, 256, 55365, 56548, 256, 22770, 256, 22775, 256, 
+    22790, 256, 22810, 256, 22818, 256, 22882, 256, 55365, 57000, 256, 55365, 
+    57066, 256, 23020, 256, 23067, 256, 23079, 256, 23000, 256, 23142, 256, 
+    14062, 256, 14076, 256, 23304, 256, 23358, 256, 23358, 256, 55366, 56776, 
+    256, 23491, 256, 23512, 256, 23527, 256, 23539, 256, 55366, 57112, 256, 
+    23551, 256, 23558, 256, 24403, 256, 23586, 256, 14209, 256, 23648, 256, 
+    23662, 256, 23744, 256, 23693, 256, 55367, 56804, 256, 23875, 256, 55367, 
+    56806, 256, 23918, 256, 23915, 256, 23932, 256, 24033, 256, 24034, 256, 
+    14383, 256, 24061, 256, 24104, 256, 24125, 256, 24169, 256, 14434, 256, 
+    55368, 56707, 256, 14460, 256, 24240, 256, 24243, 256, 24246, 256, 24266, 
+    256, 55400, 57234, 256, 24318, 256, 55368, 57137, 256, 55368, 57137, 256, 
+    33281, 256, 24354, 256, 24354, 256, 14535, 256, 55372, 57016, 256, 55384, 
+    56794, 256, 24418, 256, 24427, 256, 14563, 256, 24474, 256, 24525, 256, 
+    24535, 256, 24569, 256, 24705, 256, 14650, 256, 14620, 256, 24724, 256, 
+    55369, 57044, 256, 24775, 256, 24904, 256, 24908, 256, 24910, 256, 24908, 
+    256, 24954, 256, 24974, 256, 25010, 256, 24996, 256, 25007, 256, 25054, 
+    256, 25074, 256, 25078, 256, 25104, 256, 25115, 256, 25181, 256, 25265, 
+    256, 25300, 256, 25424, 256, 55370, 57100, 256, 25405, 256, 25340, 256, 
+    25448, 256, 25475, 256, 25572, 256, 55370, 57329, 256, 25634, 256, 25541, 
+    256, 25513, 256, 14894, 256, 25705, 256, 25726, 256, 25757, 256, 25719, 
+    256, 14956, 256, 25935, 256, 25964, 256, 55372, 56330, 256, 26083, 256, 
+    26360, 256, 26185, 256, 15129, 256, 26257, 256, 15112, 256, 15076, 256, 
+    20882, 256, 20885, 256, 26368, 256, 26268, 256, 32941, 256, 17369, 256, 
+    26391, 256, 26395, 256, 26401, 256, 26462, 256, 26451, 256, 55372, 57283, 
+    256, 15177, 256, 26618, 256, 26501, 256, 26706, 256, 26757, 256, 55373, 
+    56429, 256, 26766, 256, 26655, 256, 26900, 256, 15261, 256, 26946, 256, 
+    27043, 256, 27114, 256, 27304, 256, 55373, 56995, 256, 27355, 256, 15384, 
+    256, 27425, 256, 55374, 56487, 256, 27476, 256, 15438, 256, 27506, 256, 
+    27551, 256, 27578, 256, 27579, 256, 55374, 56973, 256, 55367, 56587, 256, 
+    55374, 57082, 256, 27726, 256, 55375, 56508, 256, 27839, 256, 27853, 256, 
+    27751, 256, 27926, 256, 27966, 256, 28023, 256, 27969, 256, 28009, 256, 
+    28024, 256, 28037, 256, 55375, 56606, 256, 27956, 256, 28207, 256, 28270, 
+    256, 15667, 256, 28363, 256, 28359, 256, 55375, 57041, 256, 28153, 256, 
+    28526, 256, 55375, 57182, 256, 55375, 57230, 256, 28614, 256, 28729, 256, 
+    28702, 256, 28699, 256, 15766, 256, 28746, 256, 28797, 256, 28791, 256, 
+    28845, 256, 55361, 56613, 256, 28997, 256, 55376, 56931, 256, 29084, 256, 
+    55376, 57259, 256, 29224, 256, 29237, 256, 29264, 256, 55377, 56840, 256, 
+    29312, 256, 29333, 256, 55377, 57141, 256, 55378, 56340, 256, 29562, 256, 
+    29579, 256, 16044, 256, 29605, 256, 16056, 256, 16056, 256, 29767, 256, 
+    29788, 256, 29809, 256, 29829, 256, 29898, 256, 16155, 256, 29988, 256, 
+    55379, 56374, 256, 30014, 256, 55379, 56466, 256, 30064, 256, 55368, 
+    56735, 256, 30224, 256, 55379, 57249, 256, 55379, 57272, 256, 55380, 
+    56388, 256, 16380, 256, 16392, 256, 30452, 256, 55380, 56563, 256, 55380, 
+    56562, 256, 55380, 56601, 256, 55380, 56627, 256, 30494, 256, 30495, 256, 
+    30495, 256, 30538, 256, 16441, 256, 30603, 256, 16454, 256, 16534, 256, 
+    55381, 56349, 256, 30798, 256, 30860, 256, 30924, 256, 16611, 256, 55381, 
+    56870, 256, 31062, 256, 55381, 56986, 256, 55381, 57029, 256, 31119, 256, 
+    31211, 256, 16687, 256, 31296, 256, 31306, 256, 31311, 256, 55382, 56700, 
+    256, 55382, 56999, 256, 55382, 56999, 256, 31470, 256, 16898, 256, 55382, 
+    57259, 256, 31686, 256, 31689, 256, 16935, 256, 55383, 56448, 256, 31954, 
+    256, 17056, 256, 31976, 256, 31971, 256, 32000, 256, 55383, 57222, 256, 
+    32099, 256, 17153, 256, 32199, 256, 32258, 256, 32325, 256, 17204, 256, 
+    55384, 56872, 256, 55384, 56903, 256, 17241, 256, 55384, 57049, 256, 
+    32634, 256, 55384, 57150, 256, 32661, 256, 32762, 256, 32773, 256, 55385, 
+    56538, 256, 55385, 56611, 256, 32864, 256, 55385, 56744, 256, 32880, 256, 
+    55372, 57183, 256, 17365, 256, 32946, 256, 33027, 256, 17419, 256, 33086, 
+    256, 23221, 256, 55385, 57255, 256, 55385, 57269, 256, 55372, 57235, 256, 
+    55372, 57244, 256, 33281, 256, 33284, 256, 36766, 256, 17515, 256, 33425, 
+    256, 33419, 256, 33437, 256, 21171, 256, 33457, 256, 33459, 256, 33469, 
+    256, 33510, 256, 55386, 57148, 256, 33509, 256, 33565, 256, 33635, 256, 
+    33709, 256, 33571, 256, 33725, 256, 33767, 256, 33879, 256, 33619, 256, 
+    33738, 256, 33740, 256, 33756, 256, 55387, 56374, 256, 55387, 56683, 256, 
+    55387, 56533, 256, 17707, 256, 34033, 256, 34035, 256, 34070, 256, 55388, 
+    57290, 256, 34148, 256, 55387, 57132, 256, 17757, 256, 17761, 256, 55387, 
+    57265, 256, 55388, 56530, 256, 17771, 256, 34384, 256, 34396, 256, 34407, 
+    256, 34409, 256, 34473, 256, 34440, 256, 34574, 256, 34530, 256, 34681, 
+    256, 34600, 256, 34667, 256, 34694, 256, 17879, 256, 34785, 256, 34817, 
+    256, 17913, 256, 34912, 256, 34915, 256, 55389, 56935, 256, 35031, 256, 
+    35038, 256, 17973, 256, 35066, 256, 13499, 256, 55390, 56494, 256, 55390, 
+    56678, 256, 18110, 256, 18119, 256, 35488, 256, 35565, 256, 35722, 256, 
+    35925, 256, 55391, 56488, 256, 36011, 256, 36033, 256, 36123, 256, 36215, 
+    256, 55391, 57135, 256, 55362, 56324, 256, 36299, 256, 36284, 256, 36336, 
+    256, 55362, 56542, 256, 36564, 256, 36664, 256, 55393, 56786, 256, 55393, 
     56813, 256, 37012, 256, 37105, 256, 37137, 256, 55393, 57134, 256, 37147, 
     256, 37432, 256, 37591, 256, 37592, 256, 37500, 256, 37881, 256, 37909, 
     256, 55394, 57338, 256, 38283, 256, 18837, 256, 38327, 256, 55395, 56695, 
@@ -4642,64 +5094,64 @@ static const unsigned short decomp_index2[] = {
     13103, 13105, 13107, 13109, 13111, 13113, 13115, 13117, 13119, 13121, 
     13123, 13125, 13127, 13129, 13131, 13133, 13135, 13137, 13139, 13141, 
     13143, 13145, 13147, 13149, 13151, 13153, 13155, 13157, 13159, 13161, 
-    13163, 13165, 13167, 13169, 13171, 13173, 13175, 13177, 0, 0, 0, 0, 0, 
-    13179, 13183, 13187, 13191, 13195, 13199, 13203, 13207, 13211, 0, 0, 0, 
-    0, 0, 0, 0, 13215, 13217, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    13219, 13221, 13223, 13225, 13228, 13230, 13232, 13234, 13236, 13238, 
-    13240, 13242, 13244, 13246, 13249, 13251, 13253, 13255, 13257, 13260, 
-    13262, 13264, 13266, 13269, 13271, 13273, 13275, 13277, 13279, 13282, 
-    13284, 13286, 13288, 13290, 13292, 13294, 13296, 13298, 13300, 13302, 
-    13304, 13306, 13308, 13310, 13312, 13314, 13316, 13318, 13320, 13322, 
-    13324, 13326, 13328, 13331, 13333, 13335, 13337, 13340, 13342, 13344, 
-    13346, 13348, 13350, 13352, 13354, 13356, 13358, 13360, 13362, 13364, 
-    13366, 13368, 13370, 13372, 13374, 13376, 13378, 13380, 13382, 13384, 
-    13386, 13388, 13390, 13392, 13394, 13396, 13398, 13400, 13402, 13404, 
-    13407, 13409, 13411, 13413, 13415, 13417, 13419, 13422, 13425, 13427, 
-    13429, 13431, 13433, 13435, 13437, 13439, 13441, 13443, 13445, 13448, 
-    13450, 13452, 13454, 13456, 13459, 13461, 13463, 13465, 13467, 13469, 
-    13471, 13473, 13475, 13477, 13480, 13482, 13485, 13487, 13489, 13491, 
-    13493, 13495, 13497, 13499, 13501, 13503, 13505, 13507, 13510, 13512, 
-    13514, 13516, 13518, 13520, 13523, 13525, 13528, 13531, 13533, 13535, 
-    13537, 13539, 13542, 13545, 13547, 13549, 13551, 13553, 13555, 13557, 
-    13559, 13561, 13563, 13565, 13567, 13570, 13572, 13574, 13576, 13578, 
-    13580, 13582, 13584, 13586, 13588, 13590, 13592, 13594, 13596, 13598, 
-    13600, 13602, 13604, 13606, 13608, 13611, 13613, 13615, 13617, 13619, 
-    13621, 13624, 13626, 13628, 13630, 13632, 13634, 13636, 13638, 13640, 
-    13642, 13644, 13646, 13649, 13651, 13653, 13655, 13657, 13659, 13661, 
-    13663, 13665, 13667, 13669, 13671, 13673, 13675, 13677, 13679, 13681, 
-    13683, 13685, 13688, 13690, 13692, 13694, 13696, 13698, 13701, 13703, 
-    13705, 13707, 13709, 13711, 13713, 13715, 13717, 13720, 13722, 13724, 
-    13726, 13729, 13731, 13733, 13735, 13737, 13739, 13741, 13744, 13747, 
-    13750, 13752, 13755, 13757, 13759, 13761, 13763, 13765, 13767, 13769, 
-    13771, 13773, 13775, 13778, 13780, 13782, 13784, 13786, 13788, 13790, 
-    13793, 13795, 13797, 13800, 13803, 13805, 13807, 13809, 13811, 13813, 
-    13815, 13817, 13819, 13821, 13824, 13826, 13829, 13831, 13834, 13836, 
-    13838, 13840, 13843, 13845, 13847, 13850, 13853, 13855, 13857, 13859, 
-    13861, 13863, 13865, 13867, 13869, 13871, 13873, 13875, 13877, 13879, 
-    13882, 13884, 13887, 13889, 13892, 13894, 13897, 13900, 13903, 13905, 
-    13907, 13909, 13912, 13915, 13918, 13921, 13923, 13925, 13927, 13929, 
-    13931, 13933, 13935, 13937, 13940, 13942, 13944, 13946, 13948, 13951, 
-    13953, 13956, 13959, 13961, 13963, 13965, 13967, 13969, 13971, 13974, 
-    13977, 13980, 13982, 13984, 13987, 13989, 13991, 13993, 13996, 13998, 
-    14000, 14002, 14004, 14006, 14009, 14011, 14013, 14015, 14017, 14019, 
-    14021, 14024, 14027, 14029, 14032, 14034, 14037, 14039, 14041, 14043, 
-    14046, 14049, 14051, 14054, 14056, 14059, 14061, 14063, 14065, 14067, 
-    14069, 14071, 14074, 14077, 14080, 14083, 14085, 14087, 14089, 14091, 
-    14093, 14095, 14097, 14099, 14101, 14103, 14105, 14107, 14110, 14112, 
-    14114, 14116, 14118, 14120, 14122, 14124, 14126, 14128, 14130, 14132, 
-    14134, 14137, 14140, 14143, 14145, 14147, 14149, 14151, 14154, 14156, 
-    14159, 14161, 14163, 14166, 14169, 14171, 14173, 14175, 14177, 14179, 
-    14181, 14183, 14185, 14187, 14189, 14191, 14193, 14195, 14197, 14199, 
-    14201, 14203, 14205, 14207, 14210, 14212, 14214, 14216, 14218, 14220, 
-    14223, 14226, 14228, 14230, 14232, 14234, 14236, 14238, 14241, 14243, 
-    14245, 14247, 14249, 14252, 14255, 14257, 14259, 14261, 14264, 14266, 
-    14268, 14271, 14274, 14276, 14278, 14280, 14283, 14285, 14287, 14289, 
-    14291, 14293, 14295, 14297, 14300, 14302, 14304, 14306, 14309, 14311, 
-    14313, 14315, 14317, 14320, 14323, 14325, 14327, 14329, 14332, 14334, 
-    14337, 14339, 14341, 14343, 14346, 14348, 14350, 14352, 14354, 14356, 
-    14358, 14360, 14363, 14365, 14367, 14369, 14371, 14373, 14375, 14378, 
-    14380, 14383, 14386, 14389, 14391, 14393, 14395, 14397, 14399, 14401, 
-    14403, 14405, 0, 0, 
+    13163, 13165, 13167, 13169, 13171, 13173, 13175, 13177, 13179, 0, 0, 0, 
+    0, 13181, 13185, 13189, 13193, 13197, 13201, 13205, 13209, 13213, 0, 0, 
+    0, 0, 0, 0, 0, 13217, 13219, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    13221, 13223, 13225, 13227, 13230, 13232, 13234, 13236, 13238, 13240, 
+    13242, 13244, 13246, 13248, 13251, 13253, 13255, 13257, 13259, 13262, 
+    13264, 13266, 13268, 13271, 13273, 13275, 13277, 13279, 13281, 13284, 
+    13286, 13288, 13290, 13292, 13294, 13296, 13298, 13300, 13302, 13304, 
+    13306, 13308, 13310, 13312, 13314, 13316, 13318, 13320, 13322, 13324, 
+    13326, 13328, 13330, 13333, 13335, 13337, 13339, 13342, 13344, 13346, 
+    13348, 13350, 13352, 13354, 13356, 13358, 13360, 13362, 13364, 13366, 
+    13368, 13370, 13372, 13374, 13376, 13378, 13380, 13382, 13384, 13386, 
+    13388, 13390, 13392, 13394, 13396, 13398, 13400, 13402, 13404, 13406, 
+    13409, 13411, 13413, 13415, 13417, 13419, 13421, 13424, 13427, 13429, 
+    13431, 13433, 13435, 13437, 13439, 13441, 13443, 13445, 13447, 13450, 
+    13452, 13454, 13456, 13458, 13461, 13463, 13465, 13467, 13469, 13471, 
+    13473, 13475, 13477, 13479, 13482, 13484, 13487, 13489, 13491, 13493, 
+    13495, 13497, 13499, 13501, 13503, 13505, 13507, 13509, 13512, 13514, 
+    13516, 13518, 13520, 13522, 13525, 13527, 13530, 13533, 13535, 13537, 
+    13539, 13541, 13544, 13547, 13549, 13551, 13553, 13555, 13557, 13559, 
+    13561, 13563, 13565, 13567, 13569, 13572, 13574, 13576, 13578, 13580, 
+    13582, 13584, 13586, 13588, 13590, 13592, 13594, 13596, 13598, 13600, 
+    13602, 13604, 13606, 13608, 13610, 13613, 13615, 13617, 13619, 13621, 
+    13623, 13626, 13628, 13630, 13632, 13634, 13636, 13638, 13640, 13642, 
+    13644, 13646, 13648, 13651, 13653, 13655, 13657, 13659, 13661, 13663, 
+    13665, 13667, 13669, 13671, 13673, 13675, 13677, 13679, 13681, 13683, 
+    13685, 13687, 13690, 13692, 13694, 13696, 13698, 13700, 13703, 13705, 
+    13707, 13709, 13711, 13713, 13715, 13717, 13719, 13722, 13724, 13726, 
+    13728, 13731, 13733, 13735, 13737, 13739, 13741, 13743, 13746, 13749, 
+    13752, 13754, 13757, 13759, 13761, 13763, 13765, 13767, 13769, 13771, 
+    13773, 13775, 13777, 13780, 13782, 13784, 13786, 13788, 13790, 13792, 
+    13795, 13797, 13799, 13802, 13805, 13807, 13809, 13811, 13813, 13815, 
+    13817, 13819, 13821, 13823, 13826, 13828, 13831, 13833, 13836, 13838, 
+    13840, 13842, 13845, 13847, 13849, 13852, 13855, 13857, 13859, 13861, 
+    13863, 13865, 13867, 13869, 13871, 13873, 13875, 13877, 13879, 13881, 
+    13884, 13886, 13889, 13891, 13894, 13896, 13899, 13902, 13905, 13907, 
+    13909, 13911, 13914, 13917, 13920, 13923, 13925, 13927, 13929, 13931, 
+    13933, 13935, 13937, 13939, 13942, 13944, 13946, 13948, 13950, 13953, 
+    13955, 13958, 13961, 13963, 13965, 13967, 13969, 13971, 13973, 13976, 
+    13979, 13982, 13984, 13986, 13989, 13991, 13993, 13995, 13998, 14000, 
+    14002, 14004, 14006, 14008, 14011, 14013, 14015, 14017, 14019, 14021, 
+    14023, 14026, 14029, 14031, 14034, 14036, 14039, 14041, 14043, 14045, 
+    14048, 14051, 14053, 14056, 14058, 14061, 14063, 14065, 14067, 14069, 
+    14071, 14073, 14076, 14079, 14082, 14085, 14087, 14089, 14091, 14093, 
+    14095, 14097, 14099, 14101, 14103, 14105, 14107, 14109, 14112, 14114, 
+    14116, 14118, 14120, 14122, 14124, 14126, 14128, 14130, 14132, 14134, 
+    14136, 14139, 14142, 14145, 14147, 14149, 14151, 14153, 14156, 14158, 
+    14161, 14163, 14165, 14168, 14171, 14173, 14175, 14177, 14179, 14181, 
+    14183, 14185, 14187, 14189, 14191, 14193, 14195, 14197, 14199, 14201, 
+    14203, 14205, 14207, 14209, 14212, 14214, 14216, 14218, 14220, 14222, 
+    14225, 14228, 14230, 14232, 14234, 14236, 14238, 14240, 14243, 14245, 
+    14247, 14249, 14251, 14254, 14257, 14259, 14261, 14263, 14266, 14268, 
+    14270, 14273, 14276, 14278, 14280, 14282, 14285, 14287, 14289, 14291, 
+    14293, 14295, 14297, 14299, 14302, 14304, 14306, 14308, 14311, 14313, 
+    14315, 14317, 14319, 14322, 14325, 14327, 14329, 14331, 14334, 14336, 
+    14339, 14341, 14343, 14345, 14348, 14350, 14352, 14354, 14356, 14358, 
+    14360, 14362, 14365, 14367, 14369, 14371, 14373, 14375, 14377, 14380, 
+    14382, 14385, 14388, 14391, 14393, 14395, 14397, 14399, 14401, 14403, 
+    14405, 14407, 0, 0, 
 };
 
 /* NFC pairs */

From a732e00ea4fffebaa85a89420f09df4c11d650e0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 21 Jul 2016 01:58:00 -0700
Subject: [PATCH 0020/1326] 1.3.0

---
 NEWS         | 15 +++++++++++++++
 configure.ac |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index e62b1989c..6f46119c8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,18 @@
+Overview of changes leading to 1.3.0
+Thursday, July 21, 2016
+====================================
+
+- Update to Unicode 9.0.0
+- Move Javanese from Indic shaper to Universal Shaping Engine.
+- Allow MultipleSubst to delete a glyph (matching Windows engine).
+- Update Universal Shaping Engine to latest draft from Microsoft.
+- DirectWrite backend improvements.  Note: this backend is for testing ONLY.
+- CoreText backend improvements with unreachable fonts.
+- Implement symbol fonts (cmap 3.0.0) in hb-ft and hb-ot-font.
+- Blacklist bad GDEF of more fonts (Tahoma & others).
+- Misc fixes.
+
+
 Overview of changes leading to 1.2.7
 Monday, May 2, 2016
 ====================================
diff --git a/configure.ac b/configure.ac
index 740beb896..e1a28f2d8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.2.7],
+        [1.3.0],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 489acf6c3180d3726158864fa0e1adeea3c23fae Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 22 Jul 2016 17:41:43 -0700
Subject: [PATCH 0021/1326] [coretext] "Fix" crashes on CoreText < 10.10

Fixes https://github.com/behdad/harfbuzz/issues/297
---
 src/hb-coretext.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index f4d9716e9..c50537341 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -145,6 +145,14 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
     DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont() failed");
     return NULL;
   }
+
+  /* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
+   * bug indicate that the cascade list reconfiguration occasionally causes
+   * crashes in CoreText on OS X 10.9, thus let's skip this step on older
+   * operating system versions. */
+  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() < kCTVersionNumber10_10)
+    return ct_font;
+
   CFURLRef original_url = (CFURLRef)CTFontCopyAttribute(ct_font, kCTFontURLAttribute);
 
   /* Create font copy with cascade list that has LastResort first; this speeds up CoreText

From dd31fc9f7e6d23b414b22874de96eb3c002c80ba Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Fri, 22 Jul 2016 02:26:54 +0300
Subject: [PATCH 0022/1326] =?UTF-8?q?Don=E2=80=99t=20build=20UCDN=20suppor?=
 =?UTF-8?q?t=20when=20building=20with=20GLib=20(#296)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Regression from: b424b6c372dfe4c0ed75a49761eb34a416819446.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index e1a28f2d8..e572d98c9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -288,7 +288,7 @@ AM_CONDITIONAL(HAVE_ICU_BUILTIN, $have_icu && test "x$with_icu" = "xbuiltin")
 dnl ===========================================================================
 
 have_ucdn=true
-if $have_glib || $have_icu && test "x$with_icu" = "xbuiltin"; then
+if $have_glib || test \( $have_icu -a "x$with_icu" = "xbuiltin" \); then
 	have_ucdn=false
 fi
 if $have_ucdn; then

From 10a0d4aa2254f783758bb908175047df3a0b41fe Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 8 Aug 2016 16:51:08 -0700
Subject: [PATCH 0023/1326] Map zh-Hant-HK to ZHH

Fixes https://github.com/behdad/harfbuzz/issues/300
---
 src/hb-ot-tag.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 04835576d..fdebb05c2 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -826,16 +826,18 @@ static const LangTag ot_languages[] = {
 };
 
 typedef struct {
-  char language[8];
+  char language[11];
   hb_tag_t tag;
 } LangTagLong;
 static const LangTagLong ot_languages_zh[] = {
+  /* Store longest-first, if one is a prefix of another. */
   {"zh-cn",	HB_TAG('Z','H','S',' ')},	/* Chinese (China) */
   {"zh-hk",	HB_TAG('Z','H','H',' ')},	/* Chinese (Hong Kong) */
   {"zh-mo",	HB_TAG('Z','H','T',' ')},	/* Chinese (Macao) */
   {"zh-sg",	HB_TAG('Z','H','S',' ')},	/* Chinese (Singapore) */
   {"zh-tw",	HB_TAG('Z','H','T',' ')},	/* Chinese (Taiwan) */
   {"zh-hans",	HB_TAG('Z','H','S',' ')},	/* Chinese (Simplified) */
+  {"zh-hant-hk",HB_TAG('Z','H','H',' ')},	/* Chinese (Hong Kong) */
   {"zh-hant",	HB_TAG('Z','H','T',' ')},	/* Chinese (Traditional) */
 };
 

From 333173103bb618f721bd25d0c565a3c3c9ea224e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 8 Aug 2016 17:24:04 -0700
Subject: [PATCH 0024/1326] Fix sign of shift operators

This one:

  map->mask = (1 << (next_bit + bits_needed)) - (1 << next_bit);

before the fix, the shift was done as an int, causing overflow
if it ever got to 1 << 31.  Sprinkle 'u's around.

Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=634805
---
 src/hb-buffer-private.hh | 6 +++---
 src/hb-cache-private.hh  | 8 ++++----
 src/hb-coretext.cc       | 2 +-
 src/hb-directwrite.cc    | 2 +-
 src/hb-face.cc           | 2 --
 src/hb-font.cc           | 2 --
 src/hb-ft.cc             | 6 ++++--
 src/hb-ot-map.cc         | 4 ++--
 src/hb-set-private.hh    | 4 ++--
 src/hb-uniscribe.cc      | 4 ++--
 10 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index ed592f448..bca308da2 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -134,7 +134,7 @@ struct hb_buffer_t {
 #ifndef HB_NDEBUG
     unsigned int end = start + count;
     assert (end <= 8);
-    unsigned int bits = (1<<end) - (1<<start);
+    unsigned int bits = (1u<<end) - (1u<<start);
     assert (0 == (allocated_var_bits & bits));
     allocated_var_bits |= bits;
 #endif
@@ -144,7 +144,7 @@ struct hb_buffer_t {
 #ifndef HB_NDEBUG
     unsigned int end = start + count;
     assert (end <= 8);
-    unsigned int bits = (1<<end) - (1<<start);
+    unsigned int bits = (1u<<end) - (1u<<start);
     assert (bits == (allocated_var_bits & bits));
     allocated_var_bits &= ~bits;
 #endif
@@ -154,7 +154,7 @@ struct hb_buffer_t {
 #ifndef HB_NDEBUG
     unsigned int end = start + count;
     assert (end <= 8);
-    unsigned int bits = (1<<end) - (1<<start);
+    unsigned int bits = (1u<<end) - (1u<<start);
     assert (bits == (allocated_var_bits & bits));
 #endif
   }
diff --git a/src/hb-cache-private.hh b/src/hb-cache-private.hh
index 19b70b7e3..24957e1e9 100644
--- a/src/hb-cache-private.hh
+++ b/src/hb-cache-private.hh
@@ -45,11 +45,11 @@ struct hb_cache_t
 
   inline bool get (unsigned int key, unsigned int *value)
   {
-    unsigned int k = key & ((1<<cache_bits)-1);
+    unsigned int k = key & ((1u<<cache_bits)-1);
     unsigned int v = values[k];
     if ((v >> value_bits) != (key >> cache_bits))
       return false;
-    *value = v & ((1<<value_bits)-1);
+    *value = v & ((1u<<value_bits)-1);
     return true;
   }
 
@@ -57,14 +57,14 @@ struct hb_cache_t
   {
     if (unlikely ((key >> key_bits) || (value >> value_bits)))
       return false; /* Overflows */
-    unsigned int k = key & ((1<<cache_bits)-1);
+    unsigned int k = key & ((1u<<cache_bits)-1);
     unsigned int v = ((key>>cache_bits)<<value_bits) | value;
     values[k] = v;
     return true;
   }
 
   private:
-  unsigned int values[1<<cache_bits];
+  unsigned int values[1u<<cache_bits];
 };
 
 typedef hb_cache_t<21, 16, 8> hb_cmap_cache_t;
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index c50537341..3e56f15b1 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -725,7 +725,7 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
       pchars[chars_len++] = 0xFFFDu;
     else {
       pchars[chars_len++] = 0xD800u + ((c - 0x10000u) >> 10);
-      pchars[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1 << 10) - 1));
+      pchars[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1u << 10) - 1));
     }
   }
 
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 09889d04e..6846a86c6 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -586,7 +586,7 @@ _hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
       textString[chars_len++] = 0xFFFDu;
     else {
       textString[chars_len++] = 0xD800u + ((c - 0x10000u) >> 10);
-      textString[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1 << 10) - 1));
+      textString[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1u << 10) - 1));
     }
   }
 
diff --git a/src/hb-face.cc b/src/hb-face.cc
index 9effc41c8..6b563bc8f 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -35,8 +35,6 @@
 #include "hb-ot-head-table.hh"
 #include "hb-ot-maxp-table.hh"
 
-#include "hb-cache-private.hh"
-
 #include <string.h>
 
 
diff --git a/src/hb-font.cc b/src/hb-font.cc
index 60554b9c7..08fcd6475 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -35,8 +35,6 @@
 #include "hb-ot-head-table.hh"
 #include "hb-ot-maxp-table.hh"
 
-#include "hb-cache-private.hh"
-
 #include <string.h>
 
 
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index eaa1311d4..2b06c59be 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -33,6 +33,8 @@
 
 #include "hb-font-private.hh"
 
+#include "hb-cache-private.hh" // Maybe use in the future?
+
 #include FT_ADVANCES_H
 #include FT_TRUETYPE_TABLES_H
 
@@ -606,8 +608,8 @@ hb_ft_font_create (FT_Face           ft_face,
   hb_face_destroy (face);
   _hb_ft_font_set_funcs (font, ft_face, false);
   hb_font_set_scale (font,
-		     (int) (((uint64_t) ft_face->size->metrics.x_scale * (uint64_t) ft_face->units_per_EM + (1<<15)) >> 16),
-		     (int) (((uint64_t) ft_face->size->metrics.y_scale * (uint64_t) ft_face->units_per_EM + (1<<15)) >> 16));
+		     (int) (((uint64_t) ft_face->size->metrics.x_scale * (uint64_t) ft_face->units_per_EM + (1u<<15)) >> 16),
+		     (int) (((uint64_t) ft_face->size->metrics.y_scale * (uint64_t) ft_face->units_per_EM + (1u<<15)) >> 16));
 #if 0 /* hb-ft works in no-hinting model */
   hb_font_set_ppem (font,
 		    ft_face->size->metrics.x_ppem,
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 7822cef8b..35550af34 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -243,11 +243,11 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m)
       map->mask = 1;
     } else {
       map->shift = next_bit;
-      map->mask = (1 << (next_bit + bits_needed)) - (1 << next_bit);
+      map->mask = (1u << (next_bit + bits_needed)) - (1u << next_bit);
       next_bit += bits_needed;
       m.global_mask |= (info->default_value << map->shift) & map->mask;
     }
-    map->_1_mask = (1 << map->shift) & map->mask;
+    map->_1_mask = (1u << map->shift) & map->mask;
     map->needs_fallback = !found;
 
   }
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 3c302b1da..e2010d762 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -313,7 +313,7 @@ struct hb_set_t
     for (unsigned int i = 0; i < ELTS; i++)
       if (elts[i])
 	for (unsigned int j = 0; j < BITS; j++)
-	  if (elts[i] & (1 << j))
+	  if (elts[i] & (1u << j))
 	    return i * BITS + j;
     return INVALID;
   }
@@ -322,7 +322,7 @@ struct hb_set_t
     for (unsigned int i = ELTS; i; i--)
       if (elts[i - 1])
 	for (unsigned int j = BITS; j; j--)
-	  if (elts[i - 1] & (1 << (j - 1)))
+	  if (elts[i - 1] & (1u << (j - 1)))
 	    return (i - 1) * BITS + (j - 1);
     return INVALID;
   }
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 7fda6788b..07007a640 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -771,7 +771,7 @@ retry:
       pchars[chars_len++] = 0xFFFDu;
     else {
       pchars[chars_len++] = 0xD800u + ((c - 0x10000u) >> 10);
-      pchars[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1 << 10) - 1));
+      pchars[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1u << 10) - 1));
     }
   }
 
@@ -827,7 +827,7 @@ retry:
 
   /* MinGW32 doesn't define fMergeNeutralItems, so we bruteforce */
   //bidi_control.fMergeNeutralItems = true;
-  *(uint32_t*)&bidi_control |= 1<<24;
+  *(uint32_t*)&bidi_control |= 1u<<24;
 
   bidi_state.uBidiLevel = HB_DIRECTION_IS_FORWARD (buffer->props.direction) ? 0 : 1;
   bidi_state.fOverrideDirection = 1;

From 09c7a2d6bf00dc902343e999f92cac0e8146f949 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 8 Aug 2016 17:28:54 -0700
Subject: [PATCH 0025/1326] Limit bits-per-feature to eight

Limits number of alternatives per glyph per feature to 255, so be it.
That's better than possibly breaking shaping because of one bad feature
value.
---
 src/hb-ot-map.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 35550af34..17e3f4065 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -193,7 +193,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m)
       /* Uses the global bit */
       bits_needed = 0;
     else
-      bits_needed = _hb_bit_storage (info->max_value);
+      /* Limit to 8 bits per feature. */
+      bits_needed = MIN(8u, _hb_bit_storage (info->max_value));
 
     if (!info->max_value || next_bit + bits_needed > 8 * sizeof (hb_mask_t))
       continue; /* Feature disabled, or not enough bits. */

From 37f21bdbb75c98d741e749b7f1e0f367941aef4e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 8 Aug 2016 17:57:06 -0700
Subject: [PATCH 0026/1326] Map Macao to ZHH lang tag

Fixes https://github.com/behdad/harfbuzz/issues/300
---
 src/hb-ot-tag.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index fdebb05c2..34d7b37c1 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -833,11 +833,12 @@ static const LangTagLong ot_languages_zh[] = {
   /* Store longest-first, if one is a prefix of another. */
   {"zh-cn",	HB_TAG('Z','H','S',' ')},	/* Chinese (China) */
   {"zh-hk",	HB_TAG('Z','H','H',' ')},	/* Chinese (Hong Kong) */
-  {"zh-mo",	HB_TAG('Z','H','T',' ')},	/* Chinese (Macao) */
+  {"zh-mo",	HB_TAG('Z','H','H',' ')},	/* Chinese (Macao) */
   {"zh-sg",	HB_TAG('Z','H','S',' ')},	/* Chinese (Singapore) */
   {"zh-tw",	HB_TAG('Z','H','T',' ')},	/* Chinese (Taiwan) */
   {"zh-hans",	HB_TAG('Z','H','S',' ')},	/* Chinese (Simplified) */
   {"zh-hant-hk",HB_TAG('Z','H','H',' ')},	/* Chinese (Hong Kong) */
+  {"zh-hant-mo",HB_TAG('Z','H','H',' ')},	/* Chinese (Macao) */
   {"zh-hant",	HB_TAG('Z','H','T',' ')},	/* Chinese (Traditional) */
 };
 

From f1b76275da716a4174092e6389979e03c0e3be59 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 8 Aug 2016 18:06:09 -0700
Subject: [PATCH 0027/1326] Add tests for Chinese language tags

Using font from https://github.com/behdad/harfbuzz/issues/300
---
 .../6991b13ce889466be6de3f66e891de2bc0f117ee.ttf | Bin 0 -> 5596 bytes
 test/shaping/tests/language-tags.tests           |  12 ++++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf
 create mode 100644 test/shaping/tests/language-tags.tests

diff --git a/test/shaping/fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf b/test/shaping/fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..d98496683c503a9ee00806af6ed47c4c06d7674b
GIT binary patch
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diff --git a/test/shaping/tests/language-tags.tests b/test/shaping/tests/language-tags.tests
new file mode 100644
index 000000000..17adafaa2
--- /dev/null
+++ b/test/shaping/tests/language-tags.tests
@@ -0,0 +1,12 @@
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=fa:U+004A:[gid2=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=ja:U+004A:[gid2=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh:U+004A:[gid4=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-cn:U+004A:[gid4=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-sg:U+004A:[gid4=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-tw:U+004A:[gid5=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-hans:U+004A:[gid4=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-hant:U+004A:[gid5=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-hant-hk:U+004A:[gid6=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-HK:U+004A:[gid6=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-mo:U+004A:[gid6=0+1000]
+fonts/sha1sum/6991b13ce889466be6de3f66e891de2bc0f117ee.ttf:--language=zh-Hant-mo:U+004A:[gid6=0+1000]

From 91f2585411aaf5565fcf0c991b9055b0b397f1cd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 8 Aug 2016 18:08:08 -0700
Subject: [PATCH 0028/1326] Actually add test

---
 test/shaping/Makefile.am | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index e67e3ef6c..c5efe6251 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -54,6 +54,7 @@ TESTS = \
 	tests/indic-joiner-candrabindu.tests \
 	tests/indic-old-spec.tests \
 	tests/indic-pref-blocking.tests \
+	tests/language-tags.tests \
 	tests/ligature-id.tests \
 	tests/mark-filtering-sets.tests \
 	tests/mongolian-variation-selector.tests \

From 18c19dd34dcdcaab0a6d47768339f8fb70c0d3f0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Aug 2016 13:03:14 -0700
Subject: [PATCH 0029/1326] Fix build

---
 test/api/test-ot-tag.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/test/api/test-ot-tag.c b/test/api/test-ot-tag.c
index 29e0aa225..eda87ff8c 100644
--- a/test/api/test-ot-tag.c
+++ b/test/api/test-ot-tag.c
@@ -198,7 +198,10 @@ test_ot_tag_language (void)
   test_tag_from_language ("ZHS", "zh"); /* Chinese */
   test_tag_from_language ("ZHS", "zh-cn"); /* Chinese (China) */
   test_tag_from_language ("ZHS", "zh-sg"); /* Chinese (Singapore) */
-  test_tag_from_language ("ZHT", "zh-mo"); /* Chinese (Macao) */
+  test_tag_from_language ("ZHH", "zh-mo"); /* Chinese (Macao) */
+  test_tag_from_language ("ZHH", "zh-hant-mo"); /* Chinese (Macao) */
+  test_tag_from_language ("ZHH", "zh-hk"); /* Chinese (Hong Kong) */
+  test_tag_from_language ("ZHH", "zH-HanT-hK"); /* Chinese (Hong Kong) */
   test_tag_from_language ("ZHT", "zh-tw"); /* Chinese (Taiwan) */
   test_tag_from_language ("ZHS", "zh-Hans"); /* Chinese (Simplified) */
   test_tag_from_language ("ZHT", "zh-Hant"); /* Chinese (Traditional) */

From 0634d5600e559a69a92d49173ffb8e715fe7576c Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Tue, 16 Aug 2016 02:49:48 +0200
Subject: [PATCH 0030/1326] [travis] Fix MacOS libtool issue

Reveals another MacOS build breakage in the Core Text shaper.
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index f37b4b228..1b150584e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,6 +19,7 @@ install:
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then pip install --user cpp-coveralls; fi # for coveralls.io code coverage tracking
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then export PATH=$HOME/.local/bin:$PATH; fi # Make sure we can find the above Python packages
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi;
+  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew uninstall libtool && brew install libtool; fi # Workaround Travis/brew bug
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install ragel freetype glib gobject-introspection cairo icu4c graphite2; fi
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew link --force icu4c; fi # icu4c is keg-only
 script:

From a0f1b44b6c0e3b1e6a1ba63dde2be22e0425353f Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Tue, 16 Aug 2016 03:09:04 +0200
Subject: [PATCH 0031/1326] [coretext] Blind fix for build on MacOS 10.9

---
 src/hb-coretext.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 3e56f15b1..9e24e9063 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -150,7 +150,7 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
    * bug indicate that the cascade list reconfiguration occasionally causes
    * crashes in CoreText on OS X 10.9, thus let's skip this step on older
    * operating system versions. */
-  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() < kCTVersionNumber10_10)
+  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() <= kCTVersionNumber10_9)
     return ct_font;
 
   CFURLRef original_url = (CFURLRef)CTFontCopyAttribute(ct_font, kCTFontURLAttribute);

From e7ecbba2cc3c9369c5e7dc7296cb210018aca3bb Mon Sep 17 00:00:00 2001
From: Sascha Brawer <sascha@brawer.ch>
Date: Thu, 18 Aug 2016 12:48:38 +0200
Subject: [PATCH 0032/1326] Support Americanist Phonetic Notation

OpenType language system tag: `APPH`
https://www.microsoft.com/typography/otspec/languagetags.htm

IETF BCP47 variant tag: `fonnapa`
http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
---
 src/hb-ot-tag.cc       | 14 ++++++++++++--
 test/api/test-ot-tag.c |  6 ++++++
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 34d7b37c1..5f21ac096 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -892,13 +892,21 @@ hb_ot_tag_from_language (hb_language_t language)
   }
 
   /*
-   * The International Phonetic Alphabet is a variant tag in BCP-47,
-   * which can be applied to any language.
+   * "fonipa" is a variant tag in BCP-47, meaning the International Phonetic Alphabet.
+   * It can be applied to any language.
    */
   if (strstr (lang_str, "-fonipa")) {
     return HB_TAG('I','P','P','H');  /* Phonetic transcription—IPA conventions */
   }
 
+  /*
+   * "fonnapa" is a variant tag in BCP-47, meaning the North American Phonetic Alphabet
+   * also known as Americanist Phonetic Notation.  It can be applied to any language.
+   */
+  if (strstr (lang_str, "-fonnapa")) {
+    return HB_TAG('A','P','P','H');  /* Phonetic transcription—Americanist conventions */
+  }
+
   /* Find a language matching in the first component */
   {
     const LangTag *lang_tag;
@@ -970,6 +978,8 @@ hb_ot_tag_to_language (hb_tag_t tag)
 
   /* struct LangTag has only room for 3-letter language tags. */
   switch (tag) {
+  case HB_TAG('A','P','P','H'):  /* Phonetic transcription—Americanist conventions */
+    return hb_language_from_string ("und-fonnapa", -1);
   case HB_TAG('I','P','P','H'):  /* Phonetic transcription—IPA conventions */
     return hb_language_from_string ("und-fonipa", -1);
   }
diff --git a/test/api/test-ot-tag.c b/test/api/test-ot-tag.c
index eda87ff8c..e54e55269 100644
--- a/test/api/test-ot-tag.c
+++ b/test/api/test-ot-tag.c
@@ -232,6 +232,12 @@ test_ot_tag_language (void)
   test_tag_from_language ("IPPH", "zh-fonipa");
   test_tag_to_language ("IPPH", "und-fonipa");
 
+  /* North American Phonetic Alphabet (Americanist Phonetic Notation) */
+  test_tag_from_language ("APPH", "en-fonnapa");
+  test_tag_from_language ("APPH", "chr-fonnapa");
+  test_tag_from_language ("APPH", "und-fonnapa");
+  test_tag_to_language ("APPH", "und-fonnapa");
+
   /* Test that x-hbot overrides the base language */
   test_tag_from_language ("ABC", "fa-x-hbotabc-zxc");
   test_tag_from_language ("ABC", "fa-ir-x-hbotabc-zxc");

From 3d976d20f1b97c771e64a9cfed2760ebec64037a Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Sat, 27 Aug 2016 16:38:42 +0300
Subject: [PATCH 0033/1326] Show the shaper name in the debug message (#306)

---
 src/hb-shape-plan.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index 56e2ea5c1..87231fb33 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -289,9 +289,10 @@ hb_shape_plan_execute (hb_shape_plan_t    *shape_plan,
 		       unsigned int        num_features)
 {
   DEBUG_MSG_FUNC (SHAPE_PLAN, shape_plan,
-		  "num_features=%d shaper_func=%p",
+		  "num_features=%d shaper_func=%p, shaper_name=%s",
 		  num_features,
-		  shape_plan->shaper_func);
+		  shape_plan->shaper_func,
+		  shape_plan->shaper_name);
 
   if (unlikely (!buffer->len))
     return true;

From c4f36b04e32ae5111ef11d225e5d6e82c8216185 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 1 Sep 2016 17:31:16 +0430
Subject: [PATCH 0034/1326] [ci] Add Windows CI support, provided by AppVeyor
 (#308)

---
 README                  |  1 +
 appveyor.yml            | 28 ++++++++++++++++++++++++++++
 win32/generate-msvc.mak |  2 +-
 3 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 appveyor.yml

diff --git a/README b/README
index 3fcdfb4c3..69a1bdd9f 100644
--- a/README
+++ b/README
@@ -1,4 +1,5 @@
 [![Build Status](https://travis-ci.org/behdad/harfbuzz.svg)](https://travis-ci.org/behdad/harfbuzz)
+[![Build Status](https://ci.appveyor.com/api/projects/status/4oaq58ns2h0m2soa?svg=true)](https://ci.appveyor.com/project/behdad/harfbuzz)
 [![Coverage Status](https://img.shields.io/coveralls/behdad/harfbuzz.svg)](https://coveralls.io/r/behdad/harfbuzz)
 [ABI Tracker](http://abi-laboratory.pro/tracker/timeline/harfbuzz/)
 
diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 000000000..391fdc2d8
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,28 @@
+platform: x64
+
+environment:
+  matrix:
+    - compiler: msvc
+      ARCH: amd64
+      CFG: release
+    - compiler: msvc
+      ARCH: x86
+      CFG: release
+    - compiler: msvc
+      ARCH: amd64
+      CFG: debug
+    - compiler: msvc
+      ARCH: x86
+      CFG: debug
+
+install:
+  - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-ragel"
+
+build_script:
+  - '"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
+  - C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"
+  - cd harfbuzz-*\win32
+  - nmake /f Makefile.vc CFG=%CFG% DIRECTWRITE=1
+
+# disable automatic tests
+test: off
diff --git a/win32/generate-msvc.mak b/win32/generate-msvc.mak
index 48bd9f0fc..7c17a9465 100644
--- a/win32/generate-msvc.mak
+++ b/win32/generate-msvc.mak
@@ -23,4 +23,4 @@ $(HB_GOBJECT_ENUM_GENERATED_SOURCES): ..\src\hb-gobject-enums.h.tmpl ..\src\hb-g
 
 # Create the build directories
 $(CFG)\$(PLAT)\harfbuzz $(CFG)\$(PLAT)\harfbuzz-icu $(CFG)\$(PLAT)\harfbuzz-gobject $(CFG)\$(PLAT)\util:
-	@-mkdir $@
+	@-mkdir -p $@

From 5362ce6a6455c539d615e7fb221a904ac744b74c Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 1 Sep 2016 20:05:45 +0430
Subject: [PATCH 0035/1326] [dwrite] Minor, don't include unnecessary headers
 (#309)

---
 src/hb-directwrite.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 6846a86c6..76482acd3 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -29,10 +29,6 @@
 
 #include "hb-directwrite.h"
 
-#include "hb-open-file-private.hh"
-#include "hb-ot-name-table.hh"
-#include "hb-ot-tag.h"
-
 
 #ifndef HB_DEBUG_DIRECTWRITE
 #define HB_DEBUG_DIRECTWRITE (HB_DEBUG+0)

From 17f0dd2dfb9a15aed9d1a229115940cc23bdbc97 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 2 Sep 2016 01:21:48 +0430
Subject: [PATCH 0036/1326] [ci] Add msys2 build to CI and run its testsuite on
 Windows (#310)

---
 appveyor.yml | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index 391fdc2d8..4677a2774 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,14 +15,26 @@ environment:
       ARCH: x86
       CFG: debug
 
+    - compiler: msys2
+      MINGW_PREFIX: /c/msys2/mingw64/
+      MINGW_CHOST: x86_64-w64-mingw32
+      MSYS2_ARCH: x86_64
+    - compiler: msys2
+      MINGW_PREFIX: /c/msys2/mingw32/
+      MINGW_CHOST: i686-w64-mingw32
+      MSYS2_ARCH: i686
+
 install:
   - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-ragel"
 
 build_script:
-  - '"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
-  - C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"
-  - cd harfbuzz-*\win32
-  - nmake /f Makefile.vc CFG=%CFG% DIRECTWRITE=1
+  - 'if "%compiler%"=="msvc" call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
+  - 'if "%compiler%"=="msvc" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
+  - 'if "%compiler%"=="msvc" cd harfbuzz-*\win32'
+  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% DIRECTWRITE=1'
+
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=$MINGW_CHOST --host=$MINGW_CHOST --prefix=$MINGW_PREFIX; make; make check"'
 
 # disable automatic tests
 test: off

From 67e9fdf427e8536f0a134f84ad3bf1740245fe12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20R=C3=B6ttsches?= <d-r@roettsches.de>
Date: Mon, 5 Sep 2016 11:27:25 +0300
Subject: [PATCH 0037/1326] Blacklist Padauk 2.80 and 3.00 (#311)

According to comments in issue #305 broken GDEF tables lead
to incorrect rendering of Latin characters. Blacklisting
this font.
---
 src/hb-ot-layout.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index b52c5f37e..5cb1491c3 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -120,6 +120,14 @@ _hb_ot_layout_create (hb_face_t *face)
       /* 2c0c90c6f6087ffbfea76589c93113a9cbb0e75f  cantarell-fonts-0.0.21/otf/Cantarell-Bold.otf */
       /* 55461f5b853c6da88069ffcdf7f4dd3f8d7e3e6b  cantarell-fonts-0.0.21/otf/Cantarell-Bold-Oblique.otf */
       || (188 == gdef_len && 3426 == gpos_len && 264 == gsub_len)
+      /* 6c93b63b64e8b2c93f5e824e78caca555dc887c7 padauk-2.80/Padauk-book.ttf */
+      || (1046 == gdef_len && 17112 == gpos_len && 71788 == gsub_len)
+      /* d89b1664058359b8ec82e35d3531931125991fb9 padauk-2.80/Padauk-bookbold.ttf */
+      || (1058 == gdef_len && 17514 == gpos_len && 71794 == gsub_len)
+      /* 824cfd193aaf6234b2b4dc0cf3c6ef576c0d00ef padauk-3.0/Padauk-book.ttf */
+      || (1330 == gdef_len && 57938 == gpos_len && 109904 == gsub_len)
+      /* 91fcc10cf15e012d27571e075b3b4dfe31754a8a padauk-3.0/Padauk-bookbold.ttf */
+      || (1330 == gdef_len && 58972 == gpos_len && 109904 == gsub_len)
     )
     {
       /* Many versions of Tahoma have bad GDEF tables that incorrectly classify some spacing marks

From b717cd7be506217e466e32a456df9af4d2720c0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20R=C3=B6ttsches?= <d-r@roettsches.de>
Date: Wed, 7 Sep 2016 23:56:57 +0300
Subject: [PATCH 0038/1326] Do reconfigure the cascade list for Emoji font on
 OS X 10.9.5 (#313)

This seems to fix crash issues on 10.9.5 reported on Chrome, compare
crbug.com/549610
---
 src/hb-coretext.cc | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 9e24e9063..ee7f91cc9 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -149,9 +149,16 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
   /* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
    * bug indicate that the cascade list reconfiguration occasionally causes
    * crashes in CoreText on OS X 10.9, thus let's skip this step on older
-   * operating system versions. */
-  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() <= kCTVersionNumber10_9)
-    return ct_font;
+   * operating system versions. Except for the emoji font, where _not_
+   * reconfiguring the cascade list causes CoreText crashes. For details, see
+   * crbug.com/549610 */
+  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() < kCTVersionNumber10_10) {
+    CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
+    bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
+    CFRelease (fontName);
+    if (!isEmojiFont)
+      return ct_font;
+  }
 
   CFURLRef original_url = (CFURLRef)CTFontCopyAttribute(ct_font, kCTFontURLAttribute);
 

From d22ab6cf040467e7f17476ccdfe9cab4dce16639 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Sep 2016 14:28:47 -0700
Subject: [PATCH 0039/1326] 1.3.1

---
 NEWS         | 9 +++++++++
 configure.ac | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 6f46119c8..52686870c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+Overview of changes leading to 1.3.1
+Wednesday, September 7, 2016
+====================================
+
+- Blacklist bad GDEF of more fonts (Padauk).
+- More CoreText backend crash fixes with OS X 10.9.5.
+- Misc fixes.
+
+
 Overview of changes leading to 1.3.0
 Thursday, July 21, 2016
 ====================================
diff --git a/configure.ac b/configure.ac
index e572d98c9..ea6fc27cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.3.0],
+        [1.3.1],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 48677345281a93d8829dd37d0480a6062945416a Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Thu, 8 Sep 2016 04:44:37 +0300
Subject: [PATCH 0040/1326] Try to unbreak building on older macOS again (#314)

---
 src/hb-coretext.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index ee7f91cc9..e68ee9113 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -152,7 +152,7 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
    * operating system versions. Except for the emoji font, where _not_
    * reconfiguring the cascade list causes CoreText crashes. For details, see
    * crbug.com/549610 */
-  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() < kCTVersionNumber10_10) {
+  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() <= kCTVersionNumber10_9) {
     CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
     bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
     CFRelease (fontName);

From fc4e671f311241e21c1cc3ed941b1fc651875a2e Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 9 Sep 2016 23:28:28 +0430
Subject: [PATCH 0041/1326] [coretext] Use intended coretext version check
 logic (#315)

---
 src/hb-coretext.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index e68ee9113..507581bd7 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -152,7 +152,8 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
    * operating system versions. Except for the emoji font, where _not_
    * reconfiguring the cascade list causes CoreText crashes. For details, see
    * crbug.com/549610 */
-  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() <= kCTVersionNumber10_9) {
+  // 0x00070000 stands for "kCTVersionNumber10_10", see CoreText.h
+  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() < 0x00070000) {
     CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
     bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
     CFRelease (fontName);

From 02bfd965af588640250c47f344ad3096c8a373e0 Mon Sep 17 00:00:00 2001
From: Gregory Morse <gregory.morse@live.com>
Date: Mon, 12 Sep 2016 10:22:15 +0200
Subject: [PATCH 0042/1326] Update detectenv-msvc.mak (#316)

Windows x86 ARM capability
---
 win32/detectenv-msvc.mak | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/win32/detectenv-msvc.mak b/win32/detectenv-msvc.mak
index a94ab8471..83d87862c 100644
--- a/win32/detectenv-msvc.mak
+++ b/win32/detectenv-msvc.mak
@@ -119,6 +119,9 @@ CFLAGS_ADD = /MDd /Od
 
 !if "$(PLAT)" == "x64"
 LDFLAGS_ARCH = /machine:x64
+!elseif "$(PLAT)" == "arm"
+LDFLAGS_ARCH = /machine:arm
+CFLAGS_ADD = $(CFLAGS_ADD) /DWINAPI_FAMILY=3
 !else
 LDFLAGS_ARCH = /machine:x86
 !endif

From 5fbcb992bd7887f95b1cf2ca045c9226de8148fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Thu, 25 Aug 2016 10:47:15 +0200
Subject: [PATCH 0043/1326] MATH Table: Add API to check availability of math
 data.

---
 src/Makefile.sources                 |   1 +
 src/hb-ot-layout-math-table.hh       |  60 ++++++++++++++++
 src/hb-ot-layout-private.hh          |   3 +
 src/hb-ot-layout.cc                  |  45 ++++++++++++
 src/hb-ot-layout.h                   |   7 ++
 test/api/Makefile.am                 |  14 +++-
 test/api/fonts/MathTestFontEmpty.otf | Bin 0 -> 14320 bytes
 test/api/fonts/MathTestFontNone.otf  | Bin 0 -> 14284 bytes
 test/api/test-ot-layout-math.c       |  98 +++++++++++++++++++++++++++
 9 files changed, 227 insertions(+), 1 deletion(-)
 create mode 100644 src/hb-ot-layout-math-table.hh
 create mode 100644 test/api/fonts/MathTestFontEmpty.otf
 create mode 100644 test/api/fonts/MathTestFontNone.otf
 create mode 100644 test/api/test-ot-layout-math.c

diff --git a/src/Makefile.sources b/src/Makefile.sources
index ac806838c..cd30b12f0 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -75,6 +75,7 @@ HB_OT_sources = \
 	hb-ot-layout-gsubgpos-private.hh \
 	hb-ot-layout-gsub-table.hh \
 	hb-ot-layout-jstf-table.hh \
+	hb-ot-layout-math-table.hh \
 	hb-ot-layout-private.hh \
 	hb-ot-map.cc \
 	hb-ot-map-private.hh \
diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
new file mode 100644
index 000000000..f4ecf3f0e
--- /dev/null
+++ b/src/hb-ot-layout-math-table.hh
@@ -0,0 +1,60 @@
+/*
+ * Copyright © 2016  Igalia S.L.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Igalia Author(s): Frédéric Wang
+ */
+
+#ifndef HB_OT_LAYOUT_MATH_TABLE_HH
+#define HB_OT_LAYOUT_MATH_TABLE_HH
+
+#include "hb-open-type-private.hh"
+#include "hb-ot-layout-common-private.hh"
+
+namespace OT {
+
+/*
+ * MATH -- The MATH Table
+ */
+
+struct MATH
+{
+  static const hb_tag_t tableTag        = HB_OT_TAG_MATH;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+                  likely (version.major == 1));
+  }
+
+protected:
+  FixedVersion<>version;                 /* Version of the MATH table
+                                            initially set to 0x00010000u */
+public:
+  DEFINE_SIZE_STATIC (4);
+};
+
+} /* mathspace OT */
+
+
+#endif /* HB_OT_LAYOUT_MATH_TABLE_HH */
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 778b2c442..a4272de63 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -124,6 +124,7 @@ namespace OT {
   struct GDEF;
   struct GSUB;
   struct GPOS;
+  struct MATH;
 }
 
 struct hb_ot_layout_lookup_accelerator_t
@@ -152,10 +153,12 @@ struct hb_ot_layout_t
   hb_blob_t *gdef_blob;
   hb_blob_t *gsub_blob;
   hb_blob_t *gpos_blob;
+  hb_blob_t *math_blob;
 
   const struct OT::GDEF *gdef;
   const struct OT::GSUB *gsub;
   const struct OT::GPOS *gpos;
+  const struct OT::MATH *math;
 
   unsigned int gsub_lookup_count;
   unsigned int gpos_lookup_count;
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 5cb1491c3..24d290c5c 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -35,6 +35,7 @@
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
 #include "hb-ot-layout-jstf-table.hh"
+#include "hb-ot-layout-math-table.hh"
 
 #include "hb-ot-map-private.hh"
 
@@ -60,6 +61,10 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->gpos_blob = OT::Sanitizer<OT::GPOS>::sanitize (face->reference_table (HB_OT_TAG_GPOS));
   layout->gpos = OT::Sanitizer<OT::GPOS>::lock_instance (layout->gpos_blob);
 
+  // The MATH table is rarer so we only try and load it in _get_math
+  layout->math_blob = NULL;
+  layout->math = NULL;
+
   {
     /*
      * The ugly business of blacklisting individual fonts' tables happen here!
@@ -178,6 +183,8 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   hb_blob_destroy (layout->gsub_blob);
   hb_blob_destroy (layout->gpos_blob);
 
+  if (layout->math_blob) hb_blob_destroy (layout->math_blob);
+
   free (layout);
 }
 
@@ -199,6 +206,21 @@ _get_gpos (hb_face_t *face)
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::GPOS);
   return *hb_ot_layout_from_face (face)->gpos;
 }
+static inline const OT::MATH&
+_get_math (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::MATH);
+
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+
+  // If the MATH table is not loaded yet, do it now.
+  if (!layout->math_blob) {
+    layout->math_blob = OT::Sanitizer<OT::MATH>::sanitize (face->reference_table (HB_OT_TAG_MATH));
+    layout->math = OT::Sanitizer<OT::MATH>::lock_instance (layout->math_blob);
+  }
+
+  return *layout->math;
+}
 
 
 /*
@@ -1190,3 +1212,26 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
 {
   apply_string<GSUBProxy> (c, lookup, accel);
 }
+
+/*
+ * OT::MATH
+ */
+
+/**
+ * hb_ot_layout_has_math_data:
+ *
+ * @face: #hb_face_t to test
+ *
+ * This function allows to verify the presence of an OpenType MATH table on the
+ * face. If so, such a table will be loaded into memory and sanitized. You can
+ * then safely call other functions for math layout and shaping.
+ *
+ * Return value: #TRUE if face has a MATH table and #FALSE otherwise
+ *
+ * Since: ????
+ **/
+hb_bool_t
+hb_ot_layout_has_math_data (hb_face_t *face)
+{
+  return &_get_math (face) != &OT::Null(OT::MATH);
+}
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index eb23d45b6..7cbd794ce 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -42,6 +42,7 @@ HB_BEGIN_DECLS
 #define HB_OT_TAG_GSUB HB_TAG('G','S','U','B')
 #define HB_OT_TAG_GPOS HB_TAG('G','P','O','S')
 #define HB_OT_TAG_JSTF HB_TAG('J','S','T','F')
+#define HB_OT_TAG_MATH HB_TAG('M','A','T','H')
 
 
 /*
@@ -297,6 +298,12 @@ hb_ot_layout_get_size_params (hb_face_t    *face,
 			      unsigned int *range_end          /* OUT.  May be NULL */);
 
 
+/*
+ * MATH
+ */
+
+HB_EXTERN hb_bool_t
+hb_ot_layout_has_math_data (hb_face_t *face);
 HB_END_DECLS
 
 #endif /* HB_OT_LAYOUT_H */
diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index d7d40af39..dae8700c3 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -43,10 +43,22 @@ endif
 
 
 if HAVE_OT
+
 TEST_PROGS += \
 	test-ot-tag \
 	$(NULL)
-endif
+
+if HAVE_FREETYPE
+TEST_PROGS += \
+	test-ot-layout-math \
+	$(NULL)
+test_ot_layout_math_LDADD = $(LDADD)
+test_ot_layout_math_CPPFLAGS = $(AM_CPPFLAGS)
+test_ot_layout_math_CPPFLAGS += $(FREETYPE_CFLAGS)
+test_ot_layout_math_LDADD += $(FREETYPE_LIBS)
+endif # HAVE_FREETYPE
+
+endif # HAVE_OT
 
 # Tests for header compilation
 TEST_PROGS += \
diff --git a/test/api/fonts/MathTestFontEmpty.otf b/test/api/fonts/MathTestFontEmpty.otf
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diff --git a/test/api/fonts/MathTestFontNone.otf b/test/api/fonts/MathTestFontNone.otf
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diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
new file mode 100644
index 000000000..cf7d76c16
--- /dev/null
+++ b/test/api/test-ot-layout-math.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright © 2016  Igalia S.L.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Igalia Author(s): Frédéric Wang
+ */
+
+
+#include "hb-test.h"
+
+#include "hb-ft.h"
+#include "hb-ot.h"
+
+/* Unit tests for hb-ot-layout.h - OpenType MATH table  */
+
+static FT_Library ft_library;
+static FT_Face ft_face;
+static hb_font_t *hb_font;
+static hb_face_t *hb_face;
+
+static void
+initFreeType()
+{
+  FT_Error ft_error;
+  if ((ft_error = FT_Init_FreeType (&ft_library)))
+    abort();
+}
+
+static void
+cleanupFreeType()
+{
+  FT_Done_FreeType (ft_library);
+}
+
+static void
+openFont(const char* fontFile)
+{
+  FT_Error ft_error;
+  if ((ft_error = FT_New_Face (ft_library, fontFile, 0, &ft_face)))
+    abort();
+  unsigned int fontSize = 1000;
+  if ((ft_error = FT_Set_Char_Size (ft_face, fontSize, fontSize, 0, 0)))
+    abort();
+  hb_font = hb_ft_font_create (ft_face, NULL);
+  hb_face = hb_ft_face_create_cached(ft_face);
+}
+
+static void
+closeFont()
+{
+  hb_font_destroy (hb_font);
+  FT_Done_Face (ft_face);
+}
+
+static void
+test_has_math_data (void)
+{
+  initFreeType();
+
+  openFont("fonts/MathTestFontNone.otf");
+  g_assert(!hb_ot_layout_has_math_data (hb_face)); // MATH table not available
+  closeFont();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_ot_layout_has_math_data (hb_face)); // MATH table available
+  closeFont();
+
+  cleanupFreeType();
+}
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_has_math_data);
+
+  return hb_test_run();
+}

From 4d3892e9b05a4df67b2f5cfd6dd3a1e0f5b38fc7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 10:45:58 +0100
Subject: [PATCH 0044/1326] [MATH] Fixups for previous commit

---
 src/hb-ot-layout-math-table.hh |  8 ++++----
 src/hb-ot-layout.cc            | 29 +++++++++++++++++++----------
 src/hb-ot-layout.h             |  2 ++
 test/api/Makefile.am           |  6 ++----
 test/api/test-ot-layout-math.c | 16 +++++++++-------
 5 files changed, 36 insertions(+), 25 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index f4ecf3f0e..7b3c0c7d2 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -38,18 +38,18 @@ namespace OT {
 
 struct MATH
 {
-  static const hb_tag_t tableTag        = HB_OT_TAG_MATH;
+  static const hb_tag_t tableTag	= HB_OT_TAG_MATH;
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
     return_trace (version.sanitize (c) &&
-                  likely (version.major == 1));
+		  likely (version.major == 1));
   }
 
 protected:
-  FixedVersion<>version;                 /* Version of the MATH table
-                                            initially set to 0x00010000u */
+  FixedVersion<>version;		 /* Version of the MATH table
+					  * initially set to 0x00010000u */
 public:
   DEFINE_SIZE_STATIC (4);
 };
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 24d290c5c..e6316e192 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -61,7 +61,7 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->gpos_blob = OT::Sanitizer<OT::GPOS>::sanitize (face->reference_table (HB_OT_TAG_GPOS));
   layout->gpos = OT::Sanitizer<OT::GPOS>::lock_instance (layout->gpos_blob);
 
-  // The MATH table is rarer so we only try and load it in _get_math
+  /* The MATH table is rarely used, so only try and load it in _get_math. */
   layout->math_blob = NULL;
   layout->math = NULL;
 
@@ -182,8 +182,7 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   hb_blob_destroy (layout->gdef_blob);
   hb_blob_destroy (layout->gsub_blob);
   hb_blob_destroy (layout->gpos_blob);
-
-  if (layout->math_blob) hb_blob_destroy (layout->math_blob);
+  hb_blob_destroy (layout->math_blob);
 
   free (layout);
 }
@@ -213,13 +212,22 @@ _get_math (hb_face_t *face)
 
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
 
-  // If the MATH table is not loaded yet, do it now.
-  if (!layout->math_blob) {
-    layout->math_blob = OT::Sanitizer<OT::MATH>::sanitize (face->reference_table (HB_OT_TAG_MATH));
-    layout->math = OT::Sanitizer<OT::MATH>::lock_instance (layout->math_blob);
+retry:
+  const OT::MATH *math = (const OT::MATH *) hb_atomic_ptr_get (&layout->math);
+
+  if (unlikely (!math))
+  {
+    hb_blob_t *blob = OT::Sanitizer<OT::MATH>::sanitize (face->reference_table (HB_OT_TAG_MATH));
+    math = OT::Sanitizer<OT::MATH>::lock_instance (blob);
+    if (!hb_atomic_ptr_cmpexch (&layout->math, NULL, math))
+    {
+      hb_blob_destroy (blob);
+      goto retry;
+    }
+    layout->math_blob = blob;
   }
 
-  return *layout->math;
+  return *math;
 }
 
 
@@ -1213,8 +1221,9 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
   apply_string<GSUBProxy> (c, lookup, accel);
 }
 
+
 /*
- * OT::MATH
+ * MATH
  */
 
 /**
@@ -1228,7 +1237,7 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
  *
  * Return value: #TRUE if face has a MATH table and #FALSE otherwise
  *
- * Since: ????
+ * Since: 1.4
  **/
 hb_bool_t
 hb_ot_layout_has_math_data (hb_face_t *face)
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 7cbd794ce..e78679051 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -304,6 +304,8 @@ hb_ot_layout_get_size_params (hb_face_t    *face,
 
 HB_EXTERN hb_bool_t
 hb_ot_layout_has_math_data (hb_face_t *face);
+
+
 HB_END_DECLS
 
 #endif /* HB_OT_LAYOUT_H */
diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index dae8700c3..322cd7d2a 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -52,10 +52,8 @@ if HAVE_FREETYPE
 TEST_PROGS += \
 	test-ot-layout-math \
 	$(NULL)
-test_ot_layout_math_LDADD = $(LDADD)
-test_ot_layout_math_CPPFLAGS = $(AM_CPPFLAGS)
-test_ot_layout_math_CPPFLAGS += $(FREETYPE_CFLAGS)
-test_ot_layout_math_LDADD += $(FREETYPE_LIBS)
+test_ot_layout_math_LDADD = $(LDADD) $(FREETYPE_LIBS)
+test_ot_layout_math_CPPFLAGS = $(AM_CPPFLAGS) $(FREETYPE_CFLAGS)
 endif # HAVE_FREETYPE
 
 endif # HAVE_OT
diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
index cf7d76c16..3e8fec6e0 100644
--- a/test/api/test-ot-layout-math.c
+++ b/test/api/test-ot-layout-math.c
@@ -37,16 +37,16 @@ static FT_Face ft_face;
 static hb_font_t *hb_font;
 static hb_face_t *hb_face;
 
-static void
-initFreeType()
+static inline void
+initFreeType (void)
 {
   FT_Error ft_error;
   if ((ft_error = FT_Init_FreeType (&ft_library)))
     abort();
 }
 
-static void
-cleanupFreeType()
+static inline void
+cleanupFreeType (void)
 {
   FT_Done_FreeType (ft_library);
 }
@@ -57,15 +57,17 @@ openFont(const char* fontFile)
   FT_Error ft_error;
   if ((ft_error = FT_New_Face (ft_library, fontFile, 0, &ft_face)))
     abort();
-  unsigned int fontSize = 1000;
+
+#define fontSize 1000
+
   if ((ft_error = FT_Set_Char_Size (ft_face, fontSize, fontSize, 0, 0)))
     abort();
   hb_font = hb_ft_font_create (ft_face, NULL);
   hb_face = hb_ft_face_create_cached(ft_face);
 }
 
-static void
-closeFont()
+static inline void
+closeFont (void)
 {
   hb_font_destroy (hb_font);
   FT_Done_Face (ft_face);

From 319ff59161e6b027391f8b9fdce0db6dd44cc20d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Thu, 25 Aug 2016 11:06:41 +0200
Subject: [PATCH 0045/1326] MATH Table: Add API to access math contants.

---
 src/Makefile.sources                |   1 +
 src/hb-ot-layout-math-table.hh      | 146 +++++++++++++++++++++++++++-
 src/hb-ot-layout.cc                 |  25 +++++
 src/hb-ot-layout.h                  |   5 +
 src/hb-ot-math.h                    | 100 +++++++++++++++++++
 test/api/fonts/MathTestFontFull.otf | Bin 0 -> 25412 bytes
 test/api/test-ot-layout-math.c      |  72 ++++++++++++++
 7 files changed, 345 insertions(+), 4 deletions(-)
 create mode 100644 src/hb-ot-math.h
 create mode 100644 test/api/fonts/MathTestFontFull.otf

diff --git a/src/Makefile.sources b/src/Makefile.sources
index cd30b12f0..5c695c5c2 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -112,6 +112,7 @@ HB_OT_headers = \
 	hb-ot.h \
 	hb-ot-font.h \
 	hb-ot-layout.h \
+	hb-ot-math.h \
 	hb-ot-shape.h \
 	hb-ot-tag.h \
 	$(NULL)
diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 7b3c0c7d2..02a1d45d0 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -29,9 +29,139 @@
 
 #include "hb-open-type-private.hh"
 #include "hb-ot-layout-common-private.hh"
+#include "hb-ot-math.h"
 
 namespace OT {
 
+
+struct MathValueRecord
+{
+  inline hb_position_t get_value (hb_font_t *font, bool horizontal,
+                                  const void *base) const
+  {
+    return horizontal ?
+      font->em_scale_x (value) + (base+deviceTable).get_x_delta (font) :
+      font->em_scale_y (value) + (base+deviceTable).get_y_delta (font);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && deviceTable.sanitize (c, base));
+  }
+
+protected:
+  SHORT            value;       /* The X or Y value in design units */
+  OffsetTo<Device> deviceTable; /* Offset to the device table - from the
+                                   beginning of parent table. May be NULL.
+                                   Suggested format for device table is 1. */
+
+public:
+  DEFINE_SIZE_STATIC (2 * 2);
+};
+
+struct MathConstants
+{
+  inline bool sanitize_math_value_records (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    unsigned int count =
+      HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE -
+      HB_OT_MATH_CONSTANT_MATH_LEADING + 1;
+    for (unsigned int i = 0; i < count; i++)
+      if (!mathValueRecords[i].sanitize (c, this)) return_trace (false);
+    return_trace (true);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && sanitize_math_value_records(c));
+  }
+
+  inline hb_position_t get_value (hb_font_t *font, hb_ot_math_constant_t constant) const
+  {
+    switch (constant) {
+    case HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT:
+    case HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT:
+      return font->em_scale_y (minHeight[constant - HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT]);
+
+    case HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE:
+    case HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE:
+    case HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP:
+    case HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT:
+      return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_value(font, true, this);
+
+    case HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT:
+    case HB_OT_MATH_CONSTANT_AXIS_HEIGHT:
+    case HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT:
+    case HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN:
+    case HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN:
+    case HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN:
+    case HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN:
+    case HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP:
+    case HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN:
+    case HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP:
+    case HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN:
+    case HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS:
+    case HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN:
+    case HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN:
+    case HB_OT_MATH_CONSTANT_MATH_LEADING:
+    case HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER:
+    case HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS:
+    case HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP:
+    case HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP:
+    case HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER:
+    case HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS:
+    case HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP:
+    case HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP:
+    case HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN:
+    case HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN:
+    case HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN:
+    case HB_OT_MATH_CONSTANT_STACK_GAP_MIN:
+    case HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP:
+    case HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP:
+    case HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN:
+    case HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN:
+    case HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN:
+    case HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP:
+    case HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN:
+    case HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN:
+    case HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX:
+    case HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN:
+    case HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX:
+    case HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT:
+    case HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN:
+    case HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP:
+    case HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED:
+    case HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER:
+    case HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS:
+    case HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP:
+    case HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN:
+    case HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN:
+      return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_value(font, false, this);
+
+    case HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN:
+    case HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN:
+      return percentScaleDown[constant - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN];
+
+    case HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT:
+      return radicalDegreeBottomRaisePercent;
+    }
+  }
+
+protected:
+  SHORT percentScaleDown[HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN + 1];
+  USHORT minHeight[HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT - HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT + 1];
+  MathValueRecord mathValueRecords[HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE - HB_OT_MATH_CONSTANT_MATH_LEADING + 1];
+  SHORT radicalDegreeBottomRaisePercent;
+
+public:
+  DEFINE_SIZE_STATIC (2 * (HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN + 1) +
+                      4 * (HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE - HB_OT_MATH_CONSTANT_MATH_LEADING + 1) +
+                      2);
+};
+
 /*
  * MATH -- The MATH Table
  */
@@ -44,14 +174,22 @@ struct MATH
   {
     TRACE_SANITIZE (this);
     return_trace (version.sanitize (c) &&
-		  likely (version.major == 1));
+                  likely (version.major == 1) &&
+                  mathConstants.sanitize (c, this));
+  }
+
+  inline bool has_math_constants (void) const { return mathConstants != 0; }
+  inline const MathConstants &get_math_constants (void) const {
+    return this+mathConstants;
   }
 
 protected:
-  FixedVersion<>version;		 /* Version of the MATH table
-					  * initially set to 0x00010000u */
+  FixedVersion<>version;                 /* Version of the MATH table
+                                          * initially set to 0x00010000u */
+  OffsetTo<MathConstants> mathConstants; /* MathConstants table */
+
 public:
-  DEFINE_SIZE_STATIC (4);
+  DEFINE_SIZE_STATIC (6);
 };
 
 } /* mathspace OT */
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index e6316e192..2ae138876 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1244,3 +1244,28 @@ hb_ot_layout_has_math_data (hb_face_t *face)
 {
   return &_get_math (face) != &OT::Null(OT::MATH);
 }
+
+/**
+ * hb_ot_layout_get_math_constant:
+ *
+ * @font: #hb_font_t from which to retrieve the value
+ * @constant: #hb_ot_math_constant_t the constant to retrieve
+ *
+ * This function returns the requested math constants as a #hb_position_t.
+ * If the request constant is HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN,
+ * HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN or
+ * HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN then the return value is
+ * actually an integer between 0 and 100 representing that percentage.
+ *
+ * Return value: the requested constant or 0
+ *
+ * Since: ????
+ **/
+hb_position_t
+hb_ot_layout_get_math_constant (hb_font_t *font,
+                                hb_ot_math_constant_t constant)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return math.has_math_constants() ?
+    math.get_math_constants().get_value(font, constant) : 0;
+}
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index e78679051..501082e28 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -33,6 +33,7 @@
 
 #include "hb.h"
 
+#include "hb-ot-math.h"
 #include "hb-ot-tag.h"
 
 HB_BEGIN_DECLS
@@ -305,6 +306,10 @@ hb_ot_layout_get_size_params (hb_face_t    *face,
 HB_EXTERN hb_bool_t
 hb_ot_layout_has_math_data (hb_face_t *face);
 
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_constant (hb_font_t *font,
+                                hb_ot_math_constant_t constant);
+
 
 HB_END_DECLS
 
diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
new file mode 100644
index 000000000..7f0ec2713
--- /dev/null
+++ b/src/hb-ot-math.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright © 2016  Igalia S.L.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Igalia Author(s): Frédéric Wang
+ */
+
+#ifndef HB_OT_H_IN
+#error "Include <hb-ot.h> instead."
+#endif
+
+#ifndef HB_OT_MATH_H
+#define HB_OT_MATH_H
+
+#include "hb.h"
+
+HB_BEGIN_DECLS
+
+
+typedef enum {
+  HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN = 0,
+  HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN = 1,
+  HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT = 2,
+  HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT = 3,
+  HB_OT_MATH_CONSTANT_MATH_LEADING = 4,
+  HB_OT_MATH_CONSTANT_AXIS_HEIGHT = 5,
+  HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT = 6,
+  HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT = 7,
+  HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN = 8,
+  HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX = 9,
+  HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN = 10,
+  HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP = 11,
+  HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED = 12,
+  HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN = 13,
+  HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX = 14,
+  HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN = 15,
+  HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT = 16,
+  HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT = 17,
+  HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN = 18,
+  HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN = 19,
+  HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN = 20,
+  HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN = 21,
+  HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP = 22,
+  HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP = 23,
+  HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN = 24,
+  HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN = 25,
+  HB_OT_MATH_CONSTANT_STACK_GAP_MIN = 26,
+  HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN = 27,
+  HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP = 28,
+  HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN = 29,
+  HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN = 30,
+  HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN = 31,
+  HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP = 32,
+  HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP = 33,
+  HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN = 34,
+  HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN = 35,
+  HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN = 36,
+  HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN = 37,
+  HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS = 38,
+  HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN = 39,
+  HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN = 40,
+  HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP = 41,
+  HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP = 42,
+  HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP = 43,
+  HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS = 44,
+  HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER = 45,
+  HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP = 46,
+  HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS = 47,
+  HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER = 48,
+  HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP = 49,
+  HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP = 50,
+  HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS = 51,
+  HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER = 52,
+  HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE = 53,
+  HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE = 54,
+  HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT = 55
+} hb_ot_math_constant_t;
+
+HB_END_DECLS
+
+#endif /* HB_OT_MATH_H */
diff --git a/test/api/fonts/MathTestFontFull.otf b/test/api/fonts/MathTestFontFull.otf
new file mode 100644
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literal 0
HcmV?d00001

diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
index 3e8fec6e0..219959b65 100644
--- a/test/api/test-ot-layout-math.c
+++ b/test/api/test-ot-layout-math.c
@@ -89,12 +89,84 @@ test_has_math_data (void)
   cleanupFreeType();
 }
 
+static void
+test_get_math_constant (void)
+{
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert_cmpint(hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT), ==, 0); // MathConstants not available
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT)), ==, 100);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT)), ==, 200);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_MATH_LEADING)), ==, 300);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_AXIS_HEIGHT)), ==, 400);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT)), ==, 500);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT)), ==, 600);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN)), ==, 700);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX)), ==, 800);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN)), ==, 900);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP)), ==, 1100);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED)), ==, 1200);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN)), ==, 1300);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX)), ==, 1400);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN)), ==, 1500);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT)), ==, 1600);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT)), ==, 1700);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN)), ==, 1800);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN)), ==, 1900);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN)), ==, 2200);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN)), ==, 2300);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP)), ==, 2400);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP)), ==, 2500);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN)), ==, 2600);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN)), ==, 2700);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_GAP_MIN)), ==, 2800);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN)), ==, 2900);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP)), ==, 3000);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN)), ==, 3100);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN)), ==, 3200);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN)), ==, 3300);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP)), ==, 3400);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP)), ==, 3500);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN)), ==, 3600);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN)), ==, 3700);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN)), ==, 3800);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN)), ==, 3900);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS)), ==, 4000);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN)), ==, 4100);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN)), ==, 4200);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP)), ==, 4300);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP)), ==, 4400);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP)), ==, 4500);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS)), ==, 4600);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER)), ==, 4700);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP)), ==, 4800);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS)), ==, 4900);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER)), ==, 5000);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP)), ==, 5100);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP)), ==, 5200);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS)), ==, 5300);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER)), ==, 5400);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE)), ==, 5500);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE)), ==, 5600);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 87);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 76);
+  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT)), ==, 65);
+  closeFont();
+
+  cleanupFreeType();
+}
+
 int
 main (int argc, char **argv)
 {
   hb_test_init (&argc, &argv);
 
   hb_test_add (test_has_math_data);
+  hb_test_add (test_get_math_constant);
 
   return hb_test_run();
 }

From 1a381153a2e6a15bded1f8e31f6b0e0cadb078af Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 11:15:59 +0100
Subject: [PATCH 0046/1326] [MATH] Fixups for math constants commit

---
 src/hb-ot-layout-math-table.hh | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 02a1d45d0..c215d3221 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -36,13 +36,10 @@ namespace OT {
 
 struct MathValueRecord
 {
-  inline hb_position_t get_value (hb_font_t *font, bool horizontal,
-                                  const void *base) const
-  {
-    return horizontal ?
-      font->em_scale_x (value) + (base+deviceTable).get_x_delta (font) :
-      font->em_scale_y (value) + (base+deviceTable).get_y_delta (font);
-  }
+  inline hb_position_t get_x_value (hb_font_t *font, const void *base) const
+  { return font->em_scale_x (value) + (base+deviceTable).get_x_delta (font); }
+  inline hb_position_t get_y_value (hb_font_t *font, const void *base) const
+  { return font->em_scale_y (value) + (base+deviceTable).get_y_delta (font); }
 
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
@@ -57,7 +54,7 @@ protected:
                                    Suggested format for device table is 1. */
 
 public:
-  DEFINE_SIZE_STATIC (2 * 2);
+  DEFINE_SIZE_STATIC (4);
 };
 
 struct MathConstants
@@ -90,7 +87,7 @@ struct MathConstants
     case HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE:
     case HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP:
     case HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT:
-      return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_value(font, true, this);
+      return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_x_value(font, this);
 
     case HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT:
     case HB_OT_MATH_CONSTANT_AXIS_HEIGHT:
@@ -139,7 +136,7 @@ struct MathConstants
     case HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP:
     case HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN:
     case HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN:
-      return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_value(font, false, this);
+      return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_y_value(font, this);
 
     case HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN:
     case HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN:
@@ -147,6 +144,8 @@ struct MathConstants
 
     case HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT:
       return radicalDegreeBottomRaisePercent;
+    default:
+      return 0;
     }
   }
 

From 6fd2fe418dc838743f0d4a8a2222cdcaf587500c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 11:24:39 +0100
Subject: [PATCH 0047/1326] [MATH] Fixup math constants commit a bit more

---
 src/hb-ot-layout-math-table.hh | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index c215d3221..e65680b5a 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -62,9 +62,7 @@ struct MathConstants
   inline bool sanitize_math_value_records (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    unsigned int count =
-      HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE -
-      HB_OT_MATH_CONSTANT_MATH_LEADING + 1;
+    unsigned int count = ARRAY_LENGTH (mathValueRecords);
     for (unsigned int i = 0; i < count; i++)
       if (!mathValueRecords[i].sanitize (c, this)) return_trace (false);
     return_trace (true);
@@ -79,6 +77,11 @@ struct MathConstants
   inline hb_position_t get_value (hb_font_t *font, hb_ot_math_constant_t constant) const
   {
     switch (constant) {
+
+    case HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN:
+    case HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN:
+      return percentScaleDown[constant - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN];
+
     case HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT:
     case HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT:
       return font->em_scale_y (minHeight[constant - HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT]);
@@ -138,27 +141,22 @@ struct MathConstants
     case HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN:
       return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_y_value(font, this);
 
-    case HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN:
-    case HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN:
-      return percentScaleDown[constant - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN];
-
     case HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT:
       return radicalDegreeBottomRaisePercent;
+
     default:
       return 0;
     }
   }
 
 protected:
-  SHORT percentScaleDown[HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN + 1];
-  USHORT minHeight[HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT - HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT + 1];
-  MathValueRecord mathValueRecords[HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE - HB_OT_MATH_CONSTANT_MATH_LEADING + 1];
+  SHORT percentScaleDown[2];
+  USHORT minHeight[2];
+  MathValueRecord mathValueRecords[51];
   SHORT radicalDegreeBottomRaisePercent;
 
 public:
-  DEFINE_SIZE_STATIC (2 * (HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN + 1) +
-                      4 * (HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE - HB_OT_MATH_CONSTANT_MATH_LEADING + 1) +
-                      2);
+  DEFINE_SIZE_STATIC (214);
 };
 
 /*

From d7182d129612c619b9026ee9b15f2dcfada132db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Thu, 25 Aug 2016 11:15:31 +0200
Subject: [PATCH 0048/1326] MATH Table: Add API to access glyph info.

---
 src/hb-ot-layout-math-table.hh          | 271 +++++++++++++++++++++++-
 src/hb-ot-layout.cc                     | 114 ++++++++++
 src/hb-ot-layout.h                      |  18 ++
 src/hb-ot-math.h                        |   7 +
 test/api/fonts/MathTestFontPartial1.otf | Bin 0 -> 14348 bytes
 test/api/fonts/MathTestFontPartial2.otf | Bin 0 -> 14356 bytes
 test/api/fonts/MathTestFontPartial3.otf | Bin 0 -> 14380 bytes
 test/api/test-ot-layout-math.c          | 155 ++++++++++++++
 8 files changed, 563 insertions(+), 2 deletions(-)
 create mode 100644 test/api/fonts/MathTestFontPartial1.otf
 create mode 100644 test/api/fonts/MathTestFontPartial2.otf
 create mode 100644 test/api/fonts/MathTestFontPartial3.otf

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index e65680b5a..2eb0d9228 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -159,6 +159,267 @@ public:
   DEFINE_SIZE_STATIC (214);
 };
 
+struct MathItalicsCorrectionInfo
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  coverage.sanitize (c, this) &&
+                  italicsCorrection.sanitize (c, this));
+  }
+
+  inline bool get_value (hb_font_t *font, hb_codepoint_t glyph,
+                         hb_position_t &value) const
+  {
+    unsigned int index = (this+coverage).get_coverage (glyph);
+    if (likely (index == NOT_COVERED)) return false;
+    if (unlikely (index >= italicsCorrection.len)) return false;
+    value = italicsCorrection[index].get_x_value(font, this);
+    return true;
+  }
+
+protected:
+  OffsetTo<Coverage>       coverage;          /* Offset to Coverage table -
+                                                 from the beginning of
+                                                 MathItalicsCorrectionInfo
+                                                 table. */
+  ArrayOf<MathValueRecord> italicsCorrection; /* Array of MathValueRecords
+                                                 defining italics correction
+                                                 values for each
+                                                 covered glyph. */
+
+public:
+  DEFINE_SIZE_ARRAY (2 + 2, italicsCorrection);
+};
+
+struct MathTopAccentAttachment
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  topAccentCoverage.sanitize (c, this) &&
+                  topAccentAttachment.sanitize (c, this));
+  }
+
+  inline bool get_value (hb_font_t *font, hb_codepoint_t glyph,
+                         hb_position_t &value) const
+  {
+    unsigned int index = (this+topAccentCoverage).get_coverage (glyph);
+    if (likely (index == NOT_COVERED)) return false;
+    if (unlikely (index >= topAccentAttachment.len)) return false;
+    value = topAccentAttachment[index].get_x_value(font, this);
+    return true;
+  }
+
+protected:
+  OffsetTo<Coverage>       topAccentCoverage;   /* Offset to Coverage table -
+                                                   from the beginning of
+                                                   MathTopAccentAttachment
+                                                   table. */
+  ArrayOf<MathValueRecord> topAccentAttachment; /* Array of MathValueRecords
+                                                   defining top accent
+                                                   attachment points for each
+                                                   covered glyph. */
+
+public:
+  DEFINE_SIZE_ARRAY (2 + 2, topAccentAttachment);
+};
+
+struct MathKern
+{
+  inline bool sanitize_math_value_records (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    unsigned int count = 2 * heightCount + 1;
+    for (unsigned int i = 0; i < count; i++)
+      if (!mathValueRecords[i].sanitize (c, this)) return_trace (false);
+    return_trace (true);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  c->check_array (mathValueRecords,
+                                  mathValueRecords[0].static_size,
+                                  2 * heightCount + 1) &&
+                  sanitize_math_value_records (c));
+  }
+
+  inline hb_position_t get_value (hb_font_t *font,
+                                  hb_position_t &correction_height) const
+  {
+    const MathValueRecord* correctionHeight = mathValueRecords;
+    const MathValueRecord* kernValue = mathValueRecords + heightCount;
+    // The description of the MathKern table is a ambiguous, but interpreting
+    // "between the two heights found at those indexes" for 0 < i < len as
+    //
+    //   correctionHeight[i-1] < correction_height <= correctionHeight[i]
+    //
+    // makes the result consistent with the limit cases and we can just use the
+    // binary search algorithm of std::upper_bound:
+    unsigned int count = heightCount;
+    unsigned int i = 0;
+    while (count > 0) {
+      unsigned int half = count / 2;
+      hb_position_t height =
+        correctionHeight[i + half].get_y_value(font, this);
+      if (height < correction_height) {
+        i += half + 1;
+        count -= half + 1;
+      } else
+        count = half;
+    }
+    return kernValue[i].get_x_value(font, this);
+  }
+
+protected:
+  USHORT          heightCount;
+  MathValueRecord mathValueRecords[VAR]; /* Array of correction heights at
+                                            which the kern value changes.
+                                            Sorted by the height value in
+                                            design units. */
+                                         /* Array of kern values corresponding
+                                            to heights. */
+
+public:
+  DEFINE_SIZE_ARRAY (2, mathValueRecords);
+};
+
+struct MathKernInfoRecord
+{
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  mathKern[HB_OT_MATH_KERN_TOP_RIGHT].sanitize (c, base) &&
+                  mathKern[HB_OT_MATH_KERN_TOP_LEFT].sanitize (c, base) &&
+                  mathKern[HB_OT_MATH_KERN_BOTTOM_RIGHT].sanitize (c, base) &&
+                  mathKern[HB_OT_MATH_KERN_BOTTOM_LEFT].sanitize (c, base));
+  }
+
+  inline bool has_math_kern (hb_ot_math_kern_t kern) const {
+    return mathKern[kern] != 0;
+  }
+  inline const MathKern &get_math_kern (hb_ot_math_kern_t kern,
+                                        const void *base) const {
+    return base+mathKern[kern];
+  }
+
+protected:
+  /* Offset to MathKern table for each corner -
+     from the beginning of MathKernInfo table. May be NULL. */
+  OffsetTo<MathKern> mathKern[HB_OT_MATH_KERN_BOTTOM_LEFT -
+                              HB_OT_MATH_KERN_TOP_RIGHT + 1];
+
+public:
+  DEFINE_SIZE_STATIC (2 * (HB_OT_MATH_KERN_BOTTOM_LEFT -
+                           HB_OT_MATH_KERN_TOP_RIGHT + 1));
+};
+
+struct MathKernInfo
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  mathKernCoverage.sanitize (c, this) &&
+                  mathKernInfoRecords.sanitize (c, this));
+  }
+
+  inline bool
+  get_math_kern_info_record (hb_codepoint_t glyph,
+                             const MathKernInfoRecord *&record) const
+  {
+    unsigned int index = (this+mathKernCoverage).get_coverage (glyph);
+    if (likely (index == NOT_COVERED)) return false;
+    if (unlikely (index >= mathKernInfoRecords.len)) return false;
+    record = &mathKernInfoRecords[index];
+    return true;
+  }
+
+protected:
+  OffsetTo<Coverage>          mathKernCoverage;    /* Offset to Coverage table -
+                                                      from the beginning of the
+                                                      MathKernInfo table. */
+  ArrayOf<MathKernInfoRecord> mathKernInfoRecords; /* Array of
+                                                      MathKernInfoRecords,
+                                                      per-glyph information for
+                                                      mathematical positioning
+                                                      of subscripts and
+                                                      superscripts. */
+
+public:
+  DEFINE_SIZE_ARRAY (2 + 2, mathKernInfoRecords);
+};
+
+struct MathGlyphInfo
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  mathItalicsCorrectionInfo.sanitize (c, this) &&
+                  mathTopAccentAttachment.sanitize (c, this) &&
+                  extendedShapeCoverage.sanitize (c, this) &&
+                  mathKernInfo.sanitize(c, this));
+  }
+
+  inline bool has_math_italics_correction_info (void) const {
+    return mathItalicsCorrectionInfo != 0;
+  }
+  inline const MathItalicsCorrectionInfo&
+  get_math_italics_correction_info (void) const {
+    return this+mathItalicsCorrectionInfo;
+  }
+
+  inline bool has_math_top_accent_attachment (void) const {
+    return mathTopAccentAttachment != 0;
+  }
+  inline const MathTopAccentAttachment&
+  get_math_top_accent_attachment (void) const {
+    return this+mathTopAccentAttachment;
+  }
+
+  inline bool is_extended_shape (hb_codepoint_t glyph) const
+  {
+    if (likely (extendedShapeCoverage == 0)) return false;
+    unsigned int index = (this+extendedShapeCoverage).get_coverage (glyph);
+    if (likely (index == NOT_COVERED)) return false;
+    return true;
+  }
+
+  inline bool has_math_kern_info (void) const { return mathKernInfo != 0; }
+  inline const MathKernInfo &get_math_kern_info (void) const {
+    return this+mathKernInfo;
+  }
+
+protected:
+  /* Offset to MathItalicsCorrectionInfo table -
+     from the beginning of MathGlyphInfo table. */
+  OffsetTo<MathItalicsCorrectionInfo> mathItalicsCorrectionInfo;
+
+  /* Offset to MathTopAccentAttachment table -
+     from the beginning of MathGlyphInfo table. */
+  OffsetTo<MathTopAccentAttachment> mathTopAccentAttachment;
+
+  /* Offset to coverage table for Extended Shape glyphs -
+     from the beginning of MathGlyphInfo table. When the left or right glyph of
+     a box is an extended shape variant, the (ink) box (and not the default
+     position defined by values in MathConstants table) should be used for
+     vertical positioning purposes. May be NULL.. */
+  OffsetTo<Coverage> extendedShapeCoverage;
+
+   /* Offset to MathKernInfo table -
+      from the beginning of MathGlyphInfo table. */
+  OffsetTo<MathKernInfo> mathKernInfo;
+
+public:
+  DEFINE_SIZE_STATIC (4 * 2);
+};
+
 /*
  * MATH -- The MATH Table
  */
@@ -172,7 +433,8 @@ struct MATH
     TRACE_SANITIZE (this);
     return_trace (version.sanitize (c) &&
                   likely (version.major == 1) &&
-                  mathConstants.sanitize (c, this));
+                  mathConstants.sanitize (c, this) &&
+                  mathGlyphInfo.sanitize (c, this));
   }
 
   inline bool has_math_constants (void) const { return mathConstants != 0; }
@@ -180,13 +442,18 @@ struct MATH
     return this+mathConstants;
   }
 
+  inline bool has_math_glyph_info (void) const { return mathGlyphInfo != 0; }
+  inline const MathGlyphInfo &get_math_glyph_info (void) const {
+    return this+mathGlyphInfo;
+  }
 protected:
   FixedVersion<>version;                 /* Version of the MATH table
                                           * initially set to 0x00010000u */
   OffsetTo<MathConstants> mathConstants; /* MathConstants table */
+  OffsetTo<MathGlyphInfo> mathGlyphInfo; /* MathGlyphInfo table */
 
 public:
-  DEFINE_SIZE_STATIC (6);
+  DEFINE_SIZE_STATIC (8);
 };
 
 } /* mathspace OT */
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 2ae138876..f14611b47 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1269,3 +1269,117 @@ hb_ot_layout_get_math_constant (hb_font_t *font,
   return math.has_math_constants() ?
     math.get_math_constants().get_value(font, constant) : 0;
 }
+
+/**
+ * hb_ot_layout_get_math_italic_correction:
+ *
+ * @font: #hb_font_t from which to retrieve the value
+ * @glyph: glyph index from which to retrieve the value
+ *
+ * Return value: the italic correction of the glyph or 0
+ *
+ * Since: ????
+ **/
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_italic_correction (hb_font_t *font,
+                                         hb_codepoint_t glyph)
+{
+  const OT::MATH &math = _get_math (font->face);
+  if (math.has_math_glyph_info()) {
+    const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
+    if (glyphInfo.has_math_italics_correction_info()) {
+      hb_position_t value;
+      if (glyphInfo.get_math_italics_correction_info().get_value(font, glyph,
+                                                                 value))
+        return value;
+    }
+  }
+  return 0;
+}
+
+/**
+ * hb_ot_layout_get_math_top_accent_attachment:
+ *
+ * @font: #hb_font_t from which to retrieve the value
+ * @glyph: glyph index from which to retrieve the value
+ *
+ * Return value: the top accent attachment of the glyph or 0
+ *
+ * Since: ????
+ **/
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
+                                             hb_codepoint_t glyph)
+{
+  const OT::MATH &math = _get_math (font->face);
+  if (math.has_math_glyph_info()) {
+    const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
+    if (glyphInfo.has_math_top_accent_attachment()) {
+      hb_position_t value;
+      if (glyphInfo.get_math_top_accent_attachment().get_value(font, glyph,
+                                                               value))
+        return value;
+    }
+  }
+  return 0;
+}
+
+/**
+ * hb_ot_layout_is_math_extended_shape:
+ *
+ * @font: a #hb_font_t to test
+ * @glyph: a glyph index to test
+ *
+ * Return value: #TRUE if the glyph is an extended shape and #FALSE otherwise
+ *
+ * Since: ????
+ **/
+HB_EXTERN hb_bool_t
+hb_ot_layout_is_math_extended_shape (hb_face_t *face,
+                                     hb_codepoint_t glyph)
+{
+  const OT::MATH &math = _get_math (face);
+  return math.has_math_glyph_info() &&
+    math.get_math_glyph_info().is_extended_shape(glyph);
+}
+
+/**
+ * hb_ot_layout_get_math_kerning:
+ *
+ * @font: #hb_font_t from which to retrieve the value
+ * @glyph: glyph index from which to retrieve the value
+ * @kern: the #hb_ot_math_kern_t from which to retrieve the value
+ * @correction_height: the correction height to use to determine the kerning.
+ *
+ * This function tries to retrieve the MathKern table for the specified font,
+ * glyph and #hb_ot_math_kern_t. Then it browses the list of heights from the
+ * MathKern table to find one value that is greater or equal to specified
+ * correction_height. If one is found the corresponding value from the list of
+ * kerns is returned and otherwise the last kern value is returned.
+ *
+ * Return value: requested kerning or 0
+ *
+ * Since: ????
+ **/
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_kerning (hb_font_t *font,
+                               hb_codepoint_t glyph,
+                               hb_ot_math_kern_t kern,
+                               hb_position_t correction_height)
+{
+  const OT::MATH &math = _get_math (font->face);
+  if (math.has_math_glyph_info()) {
+    const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
+    if (glyphInfo.has_math_kern_info()) {
+      const OT::MathKernInfo &kernInfo = glyphInfo.get_math_kern_info();
+      const OT::MathKernInfoRecord *kernInfoRecord;
+      if (kernInfo.get_math_kern_info_record(glyph, kernInfoRecord) &&
+          kernInfoRecord->has_math_kern(kern)) {
+        return kernInfoRecord->
+          get_math_kern(kern, &kernInfo).get_value(font, correction_height);
+      }
+    }
+  }
+
+  return 0;
+}
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 501082e28..ffb6321c7 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -310,6 +310,24 @@ HB_EXTERN hb_position_t
 hb_ot_layout_get_math_constant (hb_font_t *font,
                                 hb_ot_math_constant_t constant);
 
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_italic_correction (hb_font_t *font,
+                                         hb_codepoint_t glyph);
+
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
+                                             hb_codepoint_t glyph);
+
+HB_EXTERN hb_bool_t
+hb_ot_layout_is_math_extended_shape (hb_face_t *face,
+                                     hb_codepoint_t glyph);
+
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_kerning (hb_font_t *font,
+                               hb_codepoint_t glyph,
+                               hb_ot_math_kern_t kern,
+                               hb_position_t correction_height);
+
 
 HB_END_DECLS
 
diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
index 7f0ec2713..a62b4b612 100644
--- a/src/hb-ot-math.h
+++ b/src/hb-ot-math.h
@@ -95,6 +95,13 @@ typedef enum {
   HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT = 55
 } hb_ot_math_constant_t;
 
+typedef enum {
+  HB_OT_MATH_KERN_TOP_RIGHT = 0,
+  HB_OT_MATH_KERN_TOP_LEFT = 1,
+  HB_OT_MATH_KERN_BOTTOM_RIGHT = 2,
+  HB_OT_MATH_KERN_BOTTOM_LEFT = 3
+} hb_ot_math_kern_t;
+
 HB_END_DECLS
 
 #endif /* HB_OT_MATH_H */
diff --git a/test/api/fonts/MathTestFontPartial1.otf b/test/api/fonts/MathTestFontPartial1.otf
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diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
index 219959b65..5ba583f1b 100644
--- a/test/api/test-ot-layout-math.c
+++ b/test/api/test-ot-layout-math.c
@@ -160,6 +160,157 @@ test_get_math_constant (void)
   cleanupFreeType();
 }
 
+static void
+test_get_math_italic_correction (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 0); // MathGlyphInfo not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 0); // MathGlyphInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 0); // MathItalicsCorrectionInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 0); // Glyph without italic correction.
+  g_assert(hb_font_get_glyph_from_name (hb_font, "A", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 197);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "B", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 150);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "C", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 452);
+  closeFont();
+
+  cleanupFreeType();
+
+}
+
+static void
+test_get_math_top_accent_attachment (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 0); // MathGlyphInfo not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 0); // MathGlyphInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 0); // MathTopAccentAttachment empty
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 0); // Glyph without top accent attachment.
+  g_assert(hb_font_get_glyph_from_name (hb_font, "D", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 374);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "E", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 346);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "F", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 318);
+  closeFont();
+
+  cleanupFreeType();
+}
+
+static void
+test_is_math_extended_shape (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert(!hb_ot_layout_is_math_extended_shape (hb_face, glyph)); // MathGlyphInfo not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert(!hb_ot_layout_is_math_extended_shape (hb_face, glyph)); // MathGlyphInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "G", -1, &glyph));
+  g_assert(!hb_ot_layout_is_math_extended_shape (hb_face, glyph));
+  g_assert(hb_font_get_glyph_from_name (hb_font, "H", -1, &glyph));
+  g_assert(hb_ot_layout_is_math_extended_shape (hb_face, glyph));
+  closeFont();
+
+  cleanupFreeType();
+}
+
+static void
+test_get_math_kerning (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathGlyphInfo not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfo empty
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfo empty
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfo empty
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial3.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfoRecords empty
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfoRecords empty
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfoRecords empty
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfoRecords empty
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "I", -1, &glyph));
+
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 7), ==, 31); // lower than min heigth
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 14), ==, 31); // equal to min height
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 20), ==, 52);
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 23), ==, 52);
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 31), ==, 73);
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 32), ==, 73);
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 86), ==, 199); // equal to max height
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 91), ==, 220); // larger than max height
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 96), ==, 220); // larger than max height
+
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 39), ==, 94); // top right
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 39), ==, 55); // top left
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 39), ==, 22); // bottom right
+  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 39), ==, 50); // bottom left
+
+  closeFont();
+
+  cleanupFreeType();
+}
+
+
 int
 main (int argc, char **argv)
 {
@@ -167,6 +318,10 @@ main (int argc, char **argv)
 
   hb_test_add (test_has_math_data);
   hb_test_add (test_get_math_constant);
+  hb_test_add (test_get_math_italic_correction);
+  hb_test_add (test_get_math_top_accent_attachment);
+  hb_test_add (test_is_math_extended_shape);
+  hb_test_add (test_get_math_kerning);
 
   return hb_test_run();
 }

From 8a8cfad9a0834fe278a747c1d755144bd78f564b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 11:47:05 +0100
Subject: [PATCH 0049/1326] [MATH] Cleanup previous commit a bit

---
 src/hb-ot-layout-math-table.hh | 186 ++++++++++++++++-----------------
 src/hb-ot-layout.cc            |  30 +++---
 src/hb-ot-layout.h             |  14 +--
 3 files changed, 113 insertions(+), 117 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 2eb0d9228..7f6c6b09c 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -48,10 +48,10 @@ struct MathValueRecord
   }
 
 protected:
-  SHORT            value;       /* The X or Y value in design units */
-  OffsetTo<Device> deviceTable; /* Offset to the device table - from the
-                                   beginning of parent table. May be NULL.
-                                   Suggested format for device table is 1. */
+  SHORT			value;		/* The X or Y value in design units */
+  OffsetTo<Device>	deviceTable;	/* Offset to the device table - from the
+					 * beginning of parent table. May be NULL.
+					 * Suggested format for device table is 1. */
 
 public:
   DEFINE_SIZE_STATIC (4);
@@ -62,9 +62,12 @@ struct MathConstants
   inline bool sanitize_math_value_records (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
+
     unsigned int count = ARRAY_LENGTH (mathValueRecords);
     for (unsigned int i = 0; i < count; i++)
-      if (!mathValueRecords[i].sanitize (c, this)) return_trace (false);
+      if (!mathValueRecords[i].sanitize (c, this))
+	return_trace (false);
+
     return_trace (true);
   }
 
@@ -165,12 +168,12 @@ struct MathItalicsCorrectionInfo
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-                  coverage.sanitize (c, this) &&
-                  italicsCorrection.sanitize (c, this));
+		  coverage.sanitize (c, this) &&
+		  italicsCorrection.sanitize (c, this));
   }
 
   inline bool get_value (hb_font_t *font, hb_codepoint_t glyph,
-                         hb_position_t &value) const
+			 hb_position_t &value) const
   {
     unsigned int index = (this+coverage).get_coverage (glyph);
     if (likely (index == NOT_COVERED)) return false;
@@ -180,17 +183,17 @@ struct MathItalicsCorrectionInfo
   }
 
 protected:
-  OffsetTo<Coverage>       coverage;          /* Offset to Coverage table -
-                                                 from the beginning of
-                                                 MathItalicsCorrectionInfo
-                                                 table. */
-  ArrayOf<MathValueRecord> italicsCorrection; /* Array of MathValueRecords
-                                                 defining italics correction
-                                                 values for each
-                                                 covered glyph. */
+  OffsetTo<Coverage>       coverage;		/* Offset to Coverage table -
+						 * from the beginning of
+						 * MathItalicsCorrectionInfo
+						 * table. */
+  ArrayOf<MathValueRecord> italicsCorrection;	/* Array of MathValueRecords
+						 * defining italics correction
+						 * values for each
+						 * covered glyph. */
 
 public:
-  DEFINE_SIZE_ARRAY (2 + 2, italicsCorrection);
+  DEFINE_SIZE_ARRAY (4, italicsCorrection);
 };
 
 struct MathTopAccentAttachment
@@ -199,12 +202,12 @@ struct MathTopAccentAttachment
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-                  topAccentCoverage.sanitize (c, this) &&
-                  topAccentAttachment.sanitize (c, this));
+		  topAccentCoverage.sanitize (c, this) &&
+		  topAccentAttachment.sanitize (c, this));
   }
 
   inline bool get_value (hb_font_t *font, hb_codepoint_t glyph,
-                         hb_position_t &value) const
+			 hb_position_t &value) const
   {
     unsigned int index = (this+topAccentCoverage).get_coverage (glyph);
     if (likely (index == NOT_COVERED)) return false;
@@ -215,13 +218,13 @@ struct MathTopAccentAttachment
 
 protected:
   OffsetTo<Coverage>       topAccentCoverage;   /* Offset to Coverage table -
-                                                   from the beginning of
-                                                   MathTopAccentAttachment
-                                                   table. */
+						 * from the beginning of
+						 * MathTopAccentAttachment
+						 * table. */
   ArrayOf<MathValueRecord> topAccentAttachment; /* Array of MathValueRecords
-                                                   defining top accent
-                                                   attachment points for each
-                                                   covered glyph. */
+						 * defining top accent
+						 * attachment points for each
+						 * covered glyph. */
 
 public:
   DEFINE_SIZE_ARRAY (2 + 2, topAccentAttachment);
@@ -242,14 +245,14 @@ struct MathKern
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-                  c->check_array (mathValueRecords,
-                                  mathValueRecords[0].static_size,
-                                  2 * heightCount + 1) &&
-                  sanitize_math_value_records (c));
+		  c->check_array (mathValueRecords,
+				  mathValueRecords[0].static_size,
+				  2 * heightCount + 1) &&
+		  sanitize_math_value_records (c));
   }
 
   inline hb_position_t get_value (hb_font_t *font,
-                                  hb_position_t &correction_height) const
+				  hb_position_t &correction_height) const
   {
     const MathValueRecord* correctionHeight = mathValueRecords;
     const MathValueRecord* kernValue = mathValueRecords + heightCount;
@@ -265,12 +268,12 @@ struct MathKern
     while (count > 0) {
       unsigned int half = count / 2;
       hb_position_t height =
-        correctionHeight[i + half].get_y_value(font, this);
+	correctionHeight[i + half].get_y_value(font, this);
       if (height < correction_height) {
-        i += half + 1;
-        count -= half + 1;
+	i += half + 1;
+	count -= half + 1;
       } else
-        count = half;
+	count = half;
     }
     return kernValue[i].get_x_value(font, this);
   }
@@ -278,11 +281,11 @@ struct MathKern
 protected:
   USHORT          heightCount;
   MathValueRecord mathValueRecords[VAR]; /* Array of correction heights at
-                                            which the kern value changes.
-                                            Sorted by the height value in
-                                            design units. */
-                                         /* Array of kern values corresponding
-                                            to heights. */
+					  * which the kern value changes.
+					  * Sorted by the height value in
+					  * design units. */
+					 /* Array of kern values corresponding
+					  * to heights. */
 
 public:
   DEFINE_SIZE_ARRAY (2, mathValueRecords);
@@ -293,30 +296,30 @@ struct MathKernInfoRecord
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-                  mathKern[HB_OT_MATH_KERN_TOP_RIGHT].sanitize (c, base) &&
-                  mathKern[HB_OT_MATH_KERN_TOP_LEFT].sanitize (c, base) &&
-                  mathKern[HB_OT_MATH_KERN_BOTTOM_RIGHT].sanitize (c, base) &&
-                  mathKern[HB_OT_MATH_KERN_BOTTOM_LEFT].sanitize (c, base));
+
+    unsigned int count = ARRAY_LENGTH (mathKern);
+    for (unsigned int i = 0; i < count; i++)
+      if (unlikely (!mathKern[i].sanitize (c, base)))
+	return_trace (false);
+
+    return_trace (true);
   }
 
-  inline bool has_math_kern (hb_ot_math_kern_t kern) const {
-    return mathKern[kern] != 0;
-  }
   inline const MathKern &get_math_kern (hb_ot_math_kern_t kern,
-                                        const void *base) const {
-    return base+mathKern[kern];
+					const void *base) const
+  {
+    unsigned int idx = kern;
+    if (unlikely (idx > ARRAY_LENGTH (mathKern))) return Null(MathKern);
+    return base+mathKern[idx];
   }
 
 protected:
   /* Offset to MathKern table for each corner -
-     from the beginning of MathKernInfo table. May be NULL. */
-  OffsetTo<MathKern> mathKern[HB_OT_MATH_KERN_BOTTOM_LEFT -
-                              HB_OT_MATH_KERN_TOP_RIGHT + 1];
+   * from the beginning of MathKernInfo table. May be NULL. */
+  OffsetTo<MathKern> mathKern[4];
 
 public:
-  DEFINE_SIZE_STATIC (2 * (HB_OT_MATH_KERN_BOTTOM_LEFT -
-                           HB_OT_MATH_KERN_TOP_RIGHT + 1));
+  DEFINE_SIZE_STATIC (8);
 };
 
 struct MathKernInfo
@@ -325,34 +328,30 @@ struct MathKernInfo
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-                  mathKernCoverage.sanitize (c, this) &&
-                  mathKernInfoRecords.sanitize (c, this));
+		  mathKernCoverage.sanitize (c, this) &&
+		  mathKernInfoRecords.sanitize (c, this));
   }
 
-  inline bool
-  get_math_kern_info_record (hb_codepoint_t glyph,
-                             const MathKernInfoRecord *&record) const
+  inline const MathKernInfoRecord&
+  get_math_kern_info_record (hb_codepoint_t glyph) const
   {
     unsigned int index = (this+mathKernCoverage).get_coverage (glyph);
-    if (likely (index == NOT_COVERED)) return false;
-    if (unlikely (index >= mathKernInfoRecords.len)) return false;
-    record = &mathKernInfoRecords[index];
-    return true;
+    return mathKernInfoRecords[index];
   }
 
 protected:
-  OffsetTo<Coverage>          mathKernCoverage;    /* Offset to Coverage table -
-                                                      from the beginning of the
-                                                      MathKernInfo table. */
-  ArrayOf<MathKernInfoRecord> mathKernInfoRecords; /* Array of
-                                                      MathKernInfoRecords,
-                                                      per-glyph information for
-                                                      mathematical positioning
-                                                      of subscripts and
-                                                      superscripts. */
+  OffsetTo<Coverage>		mathKernCoverage;    /* Offset to Coverage table -
+						      * from the beginning of the
+						      * MathKernInfo table. */
+  ArrayOf<MathKernInfoRecord>	mathKernInfoRecords; /* Array of
+						      * MathKernInfoRecords,
+						      * per-glyph information for
+						      * mathematical positioning
+						      * of subscripts and
+						      * superscripts. */
 
 public:
-  DEFINE_SIZE_ARRAY (2 + 2, mathKernInfoRecords);
+  DEFINE_SIZE_ARRAY (4, mathKernInfoRecords);
 };
 
 struct MathGlyphInfo
@@ -361,10 +360,10 @@ struct MathGlyphInfo
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-                  mathItalicsCorrectionInfo.sanitize (c, this) &&
-                  mathTopAccentAttachment.sanitize (c, this) &&
-                  extendedShapeCoverage.sanitize (c, this) &&
-                  mathKernInfo.sanitize(c, this));
+		  mathItalicsCorrectionInfo.sanitize (c, this) &&
+		  mathTopAccentAttachment.sanitize (c, this) &&
+		  extendedShapeCoverage.sanitize (c, this) &&
+		  mathKernInfo.sanitize(c, this));
   }
 
   inline bool has_math_italics_correction_info (void) const {
@@ -398,28 +397,29 @@ struct MathGlyphInfo
 
 protected:
   /* Offset to MathItalicsCorrectionInfo table -
-     from the beginning of MathGlyphInfo table. */
+   * from the beginning of MathGlyphInfo table. */
   OffsetTo<MathItalicsCorrectionInfo> mathItalicsCorrectionInfo;
 
   /* Offset to MathTopAccentAttachment table -
-     from the beginning of MathGlyphInfo table. */
+   * from the beginning of MathGlyphInfo table. */
   OffsetTo<MathTopAccentAttachment> mathTopAccentAttachment;
 
   /* Offset to coverage table for Extended Shape glyphs -
-     from the beginning of MathGlyphInfo table. When the left or right glyph of
-     a box is an extended shape variant, the (ink) box (and not the default
-     position defined by values in MathConstants table) should be used for
-     vertical positioning purposes. May be NULL.. */
+   * from the beginning of MathGlyphInfo table. When the left or right glyph of
+   * a box is an extended shape variant, the (ink) box (and not the default
+   * position defined by values in MathConstants table) should be used for
+   * vertical positioning purposes. May be NULL.. */
   OffsetTo<Coverage> extendedShapeCoverage;
 
    /* Offset to MathKernInfo table -
-      from the beginning of MathGlyphInfo table. */
+    * from the beginning of MathGlyphInfo table. */
   OffsetTo<MathKernInfo> mathKernInfo;
 
 public:
-  DEFINE_SIZE_STATIC (4 * 2);
+  DEFINE_SIZE_STATIC (8);
 };
 
+
 /*
  * MATH -- The MATH Table
  */
@@ -432,9 +432,9 @@ struct MATH
   {
     TRACE_SANITIZE (this);
     return_trace (version.sanitize (c) &&
-                  likely (version.major == 1) &&
-                  mathConstants.sanitize (c, this) &&
-                  mathGlyphInfo.sanitize (c, this));
+		  likely (version.major == 1) &&
+		  mathConstants.sanitize (c, this) &&
+		  mathGlyphInfo.sanitize (c, this));
   }
 
   inline bool has_math_constants (void) const { return mathConstants != 0; }
@@ -447,10 +447,10 @@ struct MATH
     return this+mathGlyphInfo;
   }
 protected:
-  FixedVersion<>version;                 /* Version of the MATH table
-                                          * initially set to 0x00010000u */
-  OffsetTo<MathConstants> mathConstants; /* MathConstants table */
-  OffsetTo<MathGlyphInfo> mathGlyphInfo; /* MathGlyphInfo table */
+  FixedVersion<>version;		/* Version of the MATH table
+					 * initially set to 0x00010000u */
+  OffsetTo<MathConstants> mathConstants;/* MathConstants table */
+  OffsetTo<MathGlyphInfo> mathGlyphInfo;/* MathGlyphInfo table */
 
 public:
   DEFINE_SIZE_STATIC (8);
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index f14611b47..3dcdfb697 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1263,7 +1263,7 @@ hb_ot_layout_has_math_data (hb_face_t *face)
  **/
 hb_position_t
 hb_ot_layout_get_math_constant (hb_font_t *font,
-                                hb_ot_math_constant_t constant)
+				hb_ot_math_constant_t constant)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.has_math_constants() ?
@@ -1282,7 +1282,7 @@ hb_ot_layout_get_math_constant (hb_font_t *font,
  **/
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_italic_correction (hb_font_t *font,
-                                         hb_codepoint_t glyph)
+					 hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (font->face);
   if (math.has_math_glyph_info()) {
@@ -1290,8 +1290,8 @@ hb_ot_layout_get_math_italic_correction (hb_font_t *font,
     if (glyphInfo.has_math_italics_correction_info()) {
       hb_position_t value;
       if (glyphInfo.get_math_italics_correction_info().get_value(font, glyph,
-                                                                 value))
-        return value;
+								 value))
+	return value;
     }
   }
   return 0;
@@ -1309,7 +1309,7 @@ hb_ot_layout_get_math_italic_correction (hb_font_t *font,
  **/
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
-                                             hb_codepoint_t glyph)
+					     hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (font->face);
   if (math.has_math_glyph_info()) {
@@ -1317,8 +1317,8 @@ hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
     if (glyphInfo.has_math_top_accent_attachment()) {
       hb_position_t value;
       if (glyphInfo.get_math_top_accent_attachment().get_value(font, glyph,
-                                                               value))
-        return value;
+							       value))
+	return value;
     }
   }
   return 0;
@@ -1336,7 +1336,7 @@ hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
  **/
 HB_EXTERN hb_bool_t
 hb_ot_layout_is_math_extended_shape (hb_face_t *face,
-                                     hb_codepoint_t glyph)
+				     hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (face);
   return math.has_math_glyph_info() &&
@@ -1363,21 +1363,17 @@ hb_ot_layout_is_math_extended_shape (hb_face_t *face,
  **/
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_kerning (hb_font_t *font,
-                               hb_codepoint_t glyph,
-                               hb_ot_math_kern_t kern,
-                               hb_position_t correction_height)
+			       hb_codepoint_t glyph,
+			       hb_ot_math_kern_t kern,
+			       hb_position_t correction_height)
 {
   const OT::MATH &math = _get_math (font->face);
   if (math.has_math_glyph_info()) {
     const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
     if (glyphInfo.has_math_kern_info()) {
       const OT::MathKernInfo &kernInfo = glyphInfo.get_math_kern_info();
-      const OT::MathKernInfoRecord *kernInfoRecord;
-      if (kernInfo.get_math_kern_info_record(glyph, kernInfoRecord) &&
-          kernInfoRecord->has_math_kern(kern)) {
-        return kernInfoRecord->
-          get_math_kern(kern, &kernInfo).get_value(font, correction_height);
-      }
+      const OT::MathKernInfoRecord &kernInfoRecord = kernInfo.get_math_kern_info_record(glyph);
+      return kernInfoRecord.get_math_kern (kern, &kernInfo).get_value (font, correction_height);
     }
   }
 
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index ffb6321c7..f9ed2d82d 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -308,25 +308,25 @@ hb_ot_layout_has_math_data (hb_face_t *face);
 
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_constant (hb_font_t *font,
-                                hb_ot_math_constant_t constant);
+				hb_ot_math_constant_t constant);
 
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_italic_correction (hb_font_t *font,
-                                         hb_codepoint_t glyph);
+					 hb_codepoint_t glyph);
 
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
-                                             hb_codepoint_t glyph);
+					     hb_codepoint_t glyph);
 
 HB_EXTERN hb_bool_t
 hb_ot_layout_is_math_extended_shape (hb_face_t *face,
-                                     hb_codepoint_t glyph);
+				     hb_codepoint_t glyph);
 
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_kerning (hb_font_t *font,
-                               hb_codepoint_t glyph,
-                               hb_ot_math_kern_t kern,
-                               hb_position_t correction_height);
+			       hb_codepoint_t glyph,
+			       hb_ot_math_kern_t kern,
+			       hb_position_t correction_height);
 
 
 HB_END_DECLS

From 54c0cc38fba24fa4370231408ba121589b190a28 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 11:56:40 +0100
Subject: [PATCH 0050/1326] [MATH] Clean up get_math_constant implementation

---
 src/hb-ot-layout-math-table.hh | 10 +++++-----
 src/hb-ot-layout.cc            |  5 ++---
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 7f6c6b09c..cbdee485f 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -77,7 +77,8 @@ struct MathConstants
     return_trace (c->check_struct (this) && sanitize_math_value_records(c));
   }
 
-  inline hb_position_t get_value (hb_font_t *font, hb_ot_math_constant_t constant) const
+  inline hb_position_t get_value (hb_ot_math_constant_t constant,
+				  hb_font_t *font) const
   {
     switch (constant) {
 
@@ -437,10 +438,9 @@ struct MATH
 		  mathGlyphInfo.sanitize (c, this));
   }
 
-  inline bool has_math_constants (void) const { return mathConstants != 0; }
-  inline const MathConstants &get_math_constants (void) const {
-    return this+mathConstants;
-  }
+  inline hb_position_t get_constant (hb_ot_math_constant_t  constant,
+				     hb_font_t             *font) const
+  { return (this+mathConstants).get_value (constant, font); }
 
   inline bool has_math_glyph_info (void) const { return mathGlyphInfo != 0; }
   inline const MathGlyphInfo &get_math_glyph_info (void) const {
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 3dcdfb697..359d94185 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1259,15 +1259,14 @@ hb_ot_layout_has_math_data (hb_face_t *face)
  *
  * Return value: the requested constant or 0
  *
- * Since: ????
+ * Since: 1.4
  **/
 hb_position_t
 hb_ot_layout_get_math_constant (hb_font_t *font,
 				hb_ot_math_constant_t constant)
 {
   const OT::MATH &math = _get_math (font->face);
-  return math.has_math_constants() ?
-    math.get_math_constants().get_value(font, constant) : 0;
+  return math.get_constant(constant, font);
 }
 
 /**

From 06003f71ba0d0327fb1a17098a9d7faa8fb336f0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 12:07:29 +0100
Subject: [PATCH 0051/1326] [MATH] Clean up a bit more

---
 src/hb-ot-layout-math-table.hh | 12 +------
 src/hb-ot-layout.cc            | 57 +++++++++++++---------------------
 2 files changed, 22 insertions(+), 47 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index cbdee485f..53038e3ec 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -367,17 +367,11 @@ struct MathGlyphInfo
 		  mathKernInfo.sanitize(c, this));
   }
 
-  inline bool has_math_italics_correction_info (void) const {
-    return mathItalicsCorrectionInfo != 0;
-  }
   inline const MathItalicsCorrectionInfo&
   get_math_italics_correction_info (void) const {
     return this+mathItalicsCorrectionInfo;
   }
 
-  inline bool has_math_top_accent_attachment (void) const {
-    return mathTopAccentAttachment != 0;
-  }
   inline const MathTopAccentAttachment&
   get_math_top_accent_attachment (void) const {
     return this+mathTopAccentAttachment;
@@ -385,13 +379,10 @@ struct MathGlyphInfo
 
   inline bool is_extended_shape (hb_codepoint_t glyph) const
   {
-    if (likely (extendedShapeCoverage == 0)) return false;
     unsigned int index = (this+extendedShapeCoverage).get_coverage (glyph);
-    if (likely (index == NOT_COVERED)) return false;
-    return true;
+    return index != NOT_COVERED;
   }
 
-  inline bool has_math_kern_info (void) const { return mathKernInfo != 0; }
   inline const MathKernInfo &get_math_kern_info (void) const {
     return this+mathKernInfo;
   }
@@ -442,7 +433,6 @@ struct MATH
 				     hb_font_t             *font) const
   { return (this+mathConstants).get_value (constant, font); }
 
-  inline bool has_math_glyph_info (void) const { return mathGlyphInfo != 0; }
   inline const MathGlyphInfo &get_math_glyph_info (void) const {
     return this+mathGlyphInfo;
   }
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 359d94185..6fa61a44a 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1277,23 +1277,19 @@ hb_ot_layout_get_math_constant (hb_font_t *font,
  *
  * Return value: the italic correction of the glyph or 0
  *
- * Since: ????
+ * Since: 1.4
  **/
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_italic_correction (hb_font_t *font,
 					 hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (font->face);
-  if (math.has_math_glyph_info()) {
-    const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
-    if (glyphInfo.has_math_italics_correction_info()) {
-      hb_position_t value;
-      if (glyphInfo.get_math_italics_correction_info().get_value(font, glyph,
-								 value))
-	return value;
-    }
-  }
-  return 0;
+  const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
+  hb_position_t value;
+  if (glyphInfo.get_math_italics_correction_info().get_value(font, glyph, value))
+    return value;
+  else
+    return 0;
 }
 
 /**
@@ -1304,23 +1300,19 @@ hb_ot_layout_get_math_italic_correction (hb_font_t *font,
  *
  * Return value: the top accent attachment of the glyph or 0
  *
- * Since: ????
+ * Since: 1.4
  **/
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
 					     hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (font->face);
-  if (math.has_math_glyph_info()) {
-    const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
-    if (glyphInfo.has_math_top_accent_attachment()) {
-      hb_position_t value;
-      if (glyphInfo.get_math_top_accent_attachment().get_value(font, glyph,
-							       value))
-	return value;
-    }
-  }
-  return 0;
+  const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
+  hb_position_t value;
+  if (glyphInfo.get_math_top_accent_attachment().get_value(font, glyph, value))
+    return value;
+  else
+    return 0; // XXX font->get_glyph_h_advance (glyph) / 2;
 }
 
 /**
@@ -1331,15 +1323,14 @@ hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
  *
  * Return value: #TRUE if the glyph is an extended shape and #FALSE otherwise
  *
- * Since: ????
+ * Since: 1.4
  **/
 HB_EXTERN hb_bool_t
 hb_ot_layout_is_math_extended_shape (hb_face_t *face,
 				     hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (face);
-  return math.has_math_glyph_info() &&
-    math.get_math_glyph_info().is_extended_shape(glyph);
+  return math.get_math_glyph_info().is_extended_shape(glyph);
 }
 
 /**
@@ -1358,7 +1349,7 @@ hb_ot_layout_is_math_extended_shape (hb_face_t *face,
  *
  * Return value: requested kerning or 0
  *
- * Since: ????
+ * Since: 1.4
  **/
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_kerning (hb_font_t *font,
@@ -1367,14 +1358,8 @@ hb_ot_layout_get_math_kerning (hb_font_t *font,
 			       hb_position_t correction_height)
 {
   const OT::MATH &math = _get_math (font->face);
-  if (math.has_math_glyph_info()) {
-    const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
-    if (glyphInfo.has_math_kern_info()) {
-      const OT::MathKernInfo &kernInfo = glyphInfo.get_math_kern_info();
-      const OT::MathKernInfoRecord &kernInfoRecord = kernInfo.get_math_kern_info_record(glyph);
-      return kernInfoRecord.get_math_kern (kern, &kernInfo).get_value (font, correction_height);
-    }
-  }
-
-  return 0;
+  const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
+  const OT::MathKernInfo &kernInfo = glyphInfo.get_math_kern_info();
+  const OT::MathKernInfoRecord &kernInfoRecord = kernInfo.get_math_kern_info_record(glyph);
+  return kernInfoRecord.get_math_kern (kern, &kernInfo).get_value (font, correction_height);
 }

From 8bcf517fe59608d2247a8974445b3ff0f4b4b4ac Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 12:12:41 +0100
Subject: [PATCH 0052/1326] [MATH] Clean up get_italics_correction()

---
 src/hb-ot-layout-math-table.hh | 16 ++++++++--------
 src/hb-ot-layout.cc            | 17 ++++++-----------
 src/hb-ot-layout.h             |  4 ++--
 test/api/test-ot-layout-math.c | 18 +++++++++---------
 4 files changed, 25 insertions(+), 30 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 53038e3ec..3899b1612 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -173,13 +173,11 @@ struct MathItalicsCorrectionInfo
 		  italicsCorrection.sanitize (c, this));
   }
 
-  inline bool get_value (hb_font_t *font, hb_codepoint_t glyph,
-			 hb_position_t &value) const
+  inline hb_position_t get_value (hb_codepoint_t glyph,
+				  hb_font_t *font) const
   {
     unsigned int index = (this+coverage).get_coverage (glyph);
-    if (likely (index == NOT_COVERED)) return false;
-    if (unlikely (index >= italicsCorrection.len)) return false;
-    value = italicsCorrection[index].get_x_value(font, this);
+    return italicsCorrection[index].get_x_value (font, this);
     return true;
   }
 
@@ -367,9 +365,11 @@ struct MathGlyphInfo
 		  mathKernInfo.sanitize(c, this));
   }
 
-  inline const MathItalicsCorrectionInfo&
-  get_math_italics_correction_info (void) const {
-    return this+mathItalicsCorrectionInfo;
+  inline hb_position_t
+  get_italics_correction (hb_codepoint_t glyph,
+			  hb_font_t *font) const
+  {
+    return (this+mathItalicsCorrectionInfo).get_value (glyph, font);
   }
 
   inline const MathTopAccentAttachment&
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 6fa61a44a..5f171ca2b 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1270,26 +1270,21 @@ hb_ot_layout_get_math_constant (hb_font_t *font,
 }
 
 /**
- * hb_ot_layout_get_math_italic_correction:
+ * hb_ot_layout_get_math_italics_correction:
  *
  * @font: #hb_font_t from which to retrieve the value
  * @glyph: glyph index from which to retrieve the value
  *
- * Return value: the italic correction of the glyph or 0
+ * Return value: the italics correction of the glyph or 0
  *
  * Since: 1.4
  **/
 HB_EXTERN hb_position_t
-hb_ot_layout_get_math_italic_correction (hb_font_t *font,
-					 hb_codepoint_t glyph)
+hb_ot_layout_get_math_italics_correction (hb_font_t *font,
+					  hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (font->face);
-  const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
-  hb_position_t value;
-  if (glyphInfo.get_math_italics_correction_info().get_value(font, glyph, value))
-    return value;
-  else
-    return 0;
+  return math.get_math_glyph_info().get_italics_correction (glyph, font);
 }
 
 /**
@@ -1330,7 +1325,7 @@ hb_ot_layout_is_math_extended_shape (hb_face_t *face,
 				     hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (face);
-  return math.get_math_glyph_info().is_extended_shape(glyph);
+  return math.get_math_glyph_info().is_extended_shape (glyph);
 }
 
 /**
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index f9ed2d82d..9c1c57bb4 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -311,8 +311,8 @@ hb_ot_layout_get_math_constant (hb_font_t *font,
 				hb_ot_math_constant_t constant);
 
 HB_EXTERN hb_position_t
-hb_ot_layout_get_math_italic_correction (hb_font_t *font,
-					 hb_codepoint_t glyph);
+hb_ot_layout_get_math_italics_correction (hb_font_t *font,
+					  hb_codepoint_t glyph);
 
 HB_EXTERN hb_position_t
 hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
index 5ba583f1b..a6f4453cc 100644
--- a/test/api/test-ot-layout-math.c
+++ b/test/api/test-ot-layout-math.c
@@ -161,35 +161,35 @@ test_get_math_constant (void)
 }
 
 static void
-test_get_math_italic_correction (void)
+test_get_math_italics_correction (void)
 {
   hb_codepoint_t glyph;
   initFreeType();
 
   openFont("fonts/MathTestFontEmpty.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 0); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo not available
   closeFont();
 
   openFont("fonts/MathTestFontPartial1.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 0); // MathGlyphInfo empty
+  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo empty
   closeFont();
 
   openFont("fonts/MathTestFontPartial2.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 0); // MathItalicsCorrectionInfo empty
+  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 0); // MathItalicsCorrectionInfo empty
   closeFont();
 
   openFont("fonts/MathTestFontFull.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 0); // Glyph without italic correction.
+  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 0); // Glyph without italic correction.
   g_assert(hb_font_get_glyph_from_name (hb_font, "A", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 197);
+  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 197);
   g_assert(hb_font_get_glyph_from_name (hb_font, "B", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 150);
+  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 150);
   g_assert(hb_font_get_glyph_from_name (hb_font, "C", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction (hb_font, glyph), ==, 452);
+  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 452);
   closeFont();
 
   cleanupFreeType();
@@ -318,7 +318,7 @@ main (int argc, char **argv)
 
   hb_test_add (test_has_math_data);
   hb_test_add (test_get_math_constant);
-  hb_test_add (test_get_math_italic_correction);
+  hb_test_add (test_get_math_italics_correction);
   hb_test_add (test_get_math_top_accent_attachment);
   hb_test_add (test_is_math_extended_shape);
   hb_test_add (test_get_math_kerning);

From 17ff30e9afde79e41c17786223293e867b49ebba Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 12:18:32 +0100
Subject: [PATCH 0053/1326] [MATH] Clean up get_top_accent_attachment()

Note, the function now returns "half of horizontal advance width"
if top accent attachment for glyph is not explicitly defined.
This is what the spec requires.  Updated tests.
---
 src/hb-ot-layout-math-table.hh | 31 +++++++++++--------------------
 src/hb-ot-layout.cc            |  7 +------
 test/api/test-ot-layout-math.c |  8 ++++----
 3 files changed, 16 insertions(+), 30 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 3899b1612..8f7ce3db2 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -178,7 +178,6 @@ struct MathItalicsCorrectionInfo
   {
     unsigned int index = (this+coverage).get_coverage (glyph);
     return italicsCorrection[index].get_x_value (font, this);
-    return true;
   }
 
 protected:
@@ -205,14 +204,13 @@ struct MathTopAccentAttachment
 		  topAccentAttachment.sanitize (c, this));
   }
 
-  inline bool get_value (hb_font_t *font, hb_codepoint_t glyph,
-			 hb_position_t &value) const
+  inline hb_position_t get_value (hb_codepoint_t glyph,
+				  hb_font_t *font) const
   {
     unsigned int index = (this+topAccentCoverage).get_coverage (glyph);
-    if (likely (index == NOT_COVERED)) return false;
-    if (unlikely (index >= topAccentAttachment.len)) return false;
-    value = topAccentAttachment[index].get_x_value(font, this);
-    return true;
+    if (index == NOT_COVERED)
+      return font->get_glyph_h_advance (glyph) / 2;
+    return topAccentAttachment[index].get_x_value(font, this);
   }
 
 protected:
@@ -366,22 +364,15 @@ struct MathGlyphInfo
   }
 
   inline hb_position_t
-  get_italics_correction (hb_codepoint_t glyph,
-			  hb_font_t *font) const
-  {
-    return (this+mathItalicsCorrectionInfo).get_value (glyph, font);
-  }
+  get_italics_correction (hb_codepoint_t  glyph, hb_font_t *font) const
+  { return (this+mathItalicsCorrectionInfo).get_value (glyph, font); }
 
-  inline const MathTopAccentAttachment&
-  get_math_top_accent_attachment (void) const {
-    return this+mathTopAccentAttachment;
-  }
+  inline hb_position_t
+  get_top_accent_attachment (hb_codepoint_t  glyph, hb_font_t *font) const
+  { return (this+mathTopAccentAttachment).get_value (glyph, font); }
 
   inline bool is_extended_shape (hb_codepoint_t glyph) const
-  {
-    unsigned int index = (this+extendedShapeCoverage).get_coverage (glyph);
-    return index != NOT_COVERED;
-  }
+  { return (this+extendedShapeCoverage).get_coverage (glyph) != NOT_COVERED; }
 
   inline const MathKernInfo &get_math_kern_info (void) const {
     return this+mathKernInfo;
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 5f171ca2b..6d6cf5bc6 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1302,12 +1302,7 @@ hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
 					     hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (font->face);
-  const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
-  hb_position_t value;
-  if (glyphInfo.get_math_top_accent_attachment().get_value(font, glyph, value))
-    return value;
-  else
-    return 0; // XXX font->get_glyph_h_advance (glyph) / 2;
+  return math.get_math_glyph_info().get_top_accent_attachment (glyph, font);
 }
 
 /**
diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
index a6f4453cc..d7121a2a2 100644
--- a/test/api/test-ot-layout-math.c
+++ b/test/api/test-ot-layout-math.c
@@ -204,22 +204,22 @@ test_get_math_top_accent_attachment (void)
 
   openFont("fonts/MathTestFontEmpty.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 0); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 500); // MathGlyphInfo not available
   closeFont();
 
   openFont("fonts/MathTestFontPartial1.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 0); // MathGlyphInfo empty
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 500); // MathGlyphInfo empty
   closeFont();
 
   openFont("fonts/MathTestFontPartial2.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 0); // MathTopAccentAttachment empty
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 500); // MathTopAccentAttachment empty
   closeFont();
 
   openFont("fonts/MathTestFontFull.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 0); // Glyph without top accent attachment.
+  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 500); // Glyph without top accent attachment.
   g_assert(hb_font_get_glyph_from_name (hb_font, "D", -1, &glyph));
   g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 374);
   g_assert(hb_font_get_glyph_from_name (hb_font, "E", -1, &glyph));

From 94f5df5626b223ad92d0c167f560c1f2e2f19042 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 13:31:47 +0100
Subject: [PATCH 0054/1326] [MATH] Clean up get_kerning()

---
 src/hb-ot-layout-math-table.hh | 29 +++++++++++++++++------------
 src/hb-ot-layout.cc            |  5 +----
 2 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 8f7ce3db2..4600eab32 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -248,8 +248,7 @@ struct MathKern
 		  sanitize_math_value_records (c));
   }
 
-  inline hb_position_t get_value (hb_font_t *font,
-				  hb_position_t &correction_height) const
+  inline hb_position_t get_value (hb_position_t correction_height, hb_font_t *font) const
   {
     const MathValueRecord* correctionHeight = mathValueRecords;
     const MathValueRecord* kernValue = mathValueRecords + heightCount;
@@ -302,12 +301,14 @@ struct MathKernInfoRecord
     return_trace (true);
   }
 
-  inline const MathKern &get_math_kern (hb_ot_math_kern_t kern,
-					const void *base) const
+  inline hb_position_t get_kerning (hb_ot_math_kern_t kern,
+				    hb_position_t correction_height,
+				    hb_font_t *font,
+				    const void *base) const
   {
     unsigned int idx = kern;
-    if (unlikely (idx > ARRAY_LENGTH (mathKern))) return Null(MathKern);
-    return base+mathKern[idx];
+    if (unlikely (idx >= ARRAY_LENGTH (mathKern))) return 0;
+    return (base+mathKern[idx]).get_value (correction_height, font);
   }
 
 protected:
@@ -329,11 +330,13 @@ struct MathKernInfo
 		  mathKernInfoRecords.sanitize (c, this));
   }
 
-  inline const MathKernInfoRecord&
-  get_math_kern_info_record (hb_codepoint_t glyph) const
+  inline hb_position_t get_kerning (hb_codepoint_t glyph,
+				    hb_ot_math_kern_t kern,
+				    hb_position_t correction_height,
+				    hb_font_t *font) const
   {
     unsigned int index = (this+mathKernCoverage).get_coverage (glyph);
-    return mathKernInfoRecords[index];
+    return mathKernInfoRecords[index].get_kerning (kern, correction_height, font, this);
   }
 
 protected:
@@ -374,9 +377,11 @@ struct MathGlyphInfo
   inline bool is_extended_shape (hb_codepoint_t glyph) const
   { return (this+extendedShapeCoverage).get_coverage (glyph) != NOT_COVERED; }
 
-  inline const MathKernInfo &get_math_kern_info (void) const {
-    return this+mathKernInfo;
-  }
+  inline hb_position_t get_kerning (hb_codepoint_t glyph,
+				    hb_ot_math_kern_t kern,
+				    hb_position_t correction_height,
+				    hb_font_t *font) const
+  { return (this+mathKernInfo).get_kerning (glyph, kern, correction_height, font); }
 
 protected:
   /* Offset to MathItalicsCorrectionInfo table -
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 6d6cf5bc6..3d87b506a 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1348,8 +1348,5 @@ hb_ot_layout_get_math_kerning (hb_font_t *font,
 			       hb_position_t correction_height)
 {
   const OT::MATH &math = _get_math (font->face);
-  const OT::MathGlyphInfo &glyphInfo = math.get_math_glyph_info();
-  const OT::MathKernInfo &kernInfo = glyphInfo.get_math_kern_info();
-  const OT::MathKernInfoRecord &kernInfoRecord = kernInfo.get_math_kern_info_record(glyph);
-  return kernInfoRecord.get_math_kern (kern, &kernInfo).get_value (font, correction_height);
+  return math.get_math_glyph_info().get_kerning (glyph, kern, correction_height, font);
 }

From 8d58e3433e242bd9dd18aa08f55ab0a406583fb0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 13:39:58 +0100
Subject: [PATCH 0055/1326] [MATH] Fix get_kerning() with negative y-scale

---
 src/hb-ot-layout-math-table.hh | 36 ++++++++++++++++++++--------------
 1 file changed, 21 insertions(+), 15 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 4600eab32..7686bf1fc 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -252,20 +252,24 @@ struct MathKern
   {
     const MathValueRecord* correctionHeight = mathValueRecords;
     const MathValueRecord* kernValue = mathValueRecords + heightCount;
-    // The description of the MathKern table is a ambiguous, but interpreting
-    // "between the two heights found at those indexes" for 0 < i < len as
-    //
-    //   correctionHeight[i-1] < correction_height <= correctionHeight[i]
-    //
-    // makes the result consistent with the limit cases and we can just use the
-    // binary search algorithm of std::upper_bound:
-    unsigned int count = heightCount;
+    int sign = font->y_scale < 0 ? -1 : +1;
+
+    /* The description of the MathKern table is a ambiguous, but interpreting
+     * "between the two heights found at those indexes" for 0 < i < len as
+     *
+     *   correctionHeight[i-1] < correction_height <= correctionHeight[i]
+     *
+     * makes the result consistent with the limit cases and we can just use the
+     * binary search algorithm of std::upper_bound:
+     */
     unsigned int i = 0;
-    while (count > 0) {
+    unsigned int count = heightCount;
+    while (count > 0)
+    {
       unsigned int half = count / 2;
-      hb_position_t height =
-	correctionHeight[i + half].get_y_value(font, this);
-      if (height < correction_height) {
+      hb_position_t height = correctionHeight[i + half].get_y_value(font, this);
+      if (sign * height < sign * correction_height)
+      {
 	i += half + 1;
 	count -= half + 1;
       } else
@@ -279,9 +283,11 @@ protected:
   MathValueRecord mathValueRecords[VAR]; /* Array of correction heights at
 					  * which the kern value changes.
 					  * Sorted by the height value in
-					  * design units. */
-					 /* Array of kern values corresponding
-					  * to heights. */
+					  * design units (heightCount entries),
+					  * Followed by:
+					  * Array of kern values corresponding
+					  * to heights. (heightCount+1 entries).
+					  */
 
 public:
   DEFINE_SIZE_ARRAY (2, mathValueRecords);

From 722e620f20fa2225cf874f4aeb115a064142fcf1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Mon, 26 Sep 2016 11:51:36 +0200
Subject: [PATCH 0056/1326] Use G_TEST_DIST to build the path of math test
 fonts

---
 test/api/Makefile.am           | 2 ++
 test/api/test-ot-layout-math.c | 8 ++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 322cd7d2a..27520ffe8 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -83,6 +83,8 @@ TESTS_ENVIRONMENT = \
 	G_DEBUG=gc-friendly \
 	G_SLICE=always-malloc \
 	srcdir=$(srcdir) \
+	G_TEST_SRCDIR=$(abs_srcdir) \
+	G_TEST_BUILDDIR=$(abs_builddir) \
 	$(NULL)
 
 
diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
index d7121a2a2..93dab740a 100644
--- a/test/api/test-ot-layout-math.c
+++ b/test/api/test-ot-layout-math.c
@@ -54,12 +54,16 @@ cleanupFreeType (void)
 static void
 openFont(const char* fontFile)
 {
+  gchar* path = g_test_build_filename(G_TEST_DIST, fontFile, NULL);
+
   FT_Error ft_error;
-  if ((ft_error = FT_New_Face (ft_library, fontFile, 0, &ft_face)))
+  if ((ft_error = FT_New_Face (ft_library, path, 0, &ft_face))) {
+    g_free(path);
     abort();
+  }
+  g_free(path);
 
 #define fontSize 1000
-
   if ((ft_error = FT_Set_Char_Size (ft_face, fontSize, fontSize, 0, 0)))
     abort();
   hb_font = hb_ft_font_create (ft_face, NULL);

From 51da7a1cd672aada84bdbb3a2a8dd77ab1134249 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Thu, 25 Aug 2016 11:17:50 +0200
Subject: [PATCH 0057/1326] MATH table: Add API to access math variants.

---
 src/hb-ot-layout-math-table.hh          | 253 +++++++++++++++++++++++-
 src/hb-ot-layout-private.hh             |  10 +
 src/hb-ot-layout.cc                     |  54 +++++
 test/api/fonts/MathTestFontPartial4.otf | Bin 0 -> 14360 bytes
 test/api/test-ot-layout-math.c          |  51 +++++
 5 files changed, 364 insertions(+), 4 deletions(-)
 create mode 100644 test/api/fonts/MathTestFontPartial4.otf

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 7686bf1fc..784f5c1a8 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -279,7 +279,7 @@ struct MathKern
   }
 
 protected:
-  USHORT          heightCount;
+  USHORT	  heightCount;
   MathValueRecord mathValueRecords[VAR]; /* Array of correction heights at
 					  * which the kern value changes.
 					  * Sorted by the height value in
@@ -413,6 +413,243 @@ public:
   DEFINE_SIZE_STATIC (8);
 };
 
+struct MathGlyphVariantRecord
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  hb_codepoint_t get_glyph() const { return variantGlyph; }
+  inline hb_position_t get_advance_measurement (hb_font_t *font,
+						bool horizontal) const
+  {
+    return horizontal ?
+      font->em_scale_x (advanceMeasurement) :
+      font->em_scale_y (advanceMeasurement);
+  }
+
+protected:
+  GlyphID variantGlyph;       /* Glyph ID for the variant. */
+  USHORT  advanceMeasurement; /* Advance width/height, in design units, of the
+			       * variant, in the direction of requested
+			       * glyph extension. */
+
+public:
+  DEFINE_SIZE_STATIC (2 + 2);
+};
+
+struct PartFlags : USHORT
+{
+  enum Flags {
+    Extender = 0x0001u, /* If set, the part can be skipped or repeated. */
+  };
+
+public:
+  DEFINE_SIZE_STATIC (2);
+};
+
+struct GlyphPartRecord
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  hb_codepoint_t get_glyph() const { return glyph; }
+
+  inline hb_position_t
+  get_start_connector_length (hb_font_t *font, bool horizontal) const
+  {
+    return horizontal ?
+      font->em_scale_x (startConnectorLength) :
+      font->em_scale_y (startConnectorLength);
+  }
+
+  inline hb_position_t
+  get_end_connector_length (hb_font_t *font, bool horizontal) const
+  {
+    return horizontal ?
+      font->em_scale_x (endConnectorLength) :
+      font->em_scale_y (endConnectorLength);
+  }
+
+  inline hb_position_t
+  get_full_advance (hb_font_t *font, bool horizontal) const
+  {
+    return horizontal ?
+      font->em_scale_x (fullAdvance) :
+      font->em_scale_y (fullAdvance);
+  }
+
+  inline bool is_extender() const {
+    return partFlags & PartFlags::Flags::Extender;
+  }
+
+protected:
+  GlyphID   glyph;		  /* Glyph ID for the part. */
+  USHORT    startConnectorLength; /* Advance width/ height of the straight bar
+				   * connector material, in design units, is at
+				   * the beginning of the glyph, in the
+				   * direction of the extension. */
+  USHORT    endConnectorLength;   /* Advance width/ height of the straight bar
+				   * connector material, in design units, is at
+				   * the end of the glyph, in the direction of
+				   * the extension. */
+  USHORT    fullAdvance;	  /* Full advance width/height for this part,
+				   * in the direction of the extension.
+				   * In design units. */
+  PartFlags partFlags;		  /* Part qualifiers. */
+
+public:
+  DEFINE_SIZE_STATIC (5 * 2);
+};
+
+struct GlyphAssembly
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  italicsCorrection.sanitize(c, this) &&
+		  partRecords.sanitize(c));
+  }
+
+  inline hb_position_t get_italic_correction (hb_font_t *font) const
+  { return italicsCorrection.get_x_value(font, this); }
+
+  inline unsigned int part_record_count() const { return partRecords.len; }
+  inline const GlyphPartRecord &get_part_record(unsigned int i) const {
+    assert(i < partRecords.len);
+    return partRecords[i];
+  }
+
+protected:
+  MathValueRecord	   italicsCorrection; /* Italics correction of this
+					       * GlyphAssembly. Should not
+					       * depend on the assembly size. */
+  ArrayOf<GlyphPartRecord> partRecords;       /* Array of part records, from
+					       * left to right and bottom to
+					       * top. */
+
+public:
+  DEFINE_SIZE_ARRAY (4 + 2, partRecords);
+};
+
+struct MathGlyphConstruction
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  glyphAssembly.sanitize(c, this) &&
+		  mathGlyphVariantRecord.sanitize(c));
+  }
+
+  inline bool has_glyph_assembly (void) const { return glyphAssembly != 0; }
+  inline const GlyphAssembly &get_glyph_assembly (void) const {
+    return this+glyphAssembly;
+  }
+
+  inline unsigned int glyph_variant_count() const {
+    return mathGlyphVariantRecord.len;
+  }
+  inline const MathGlyphVariantRecord &get_glyph_variant(unsigned int i) const {
+    assert(i < mathGlyphVariantRecord.len);
+    return mathGlyphVariantRecord[i];
+  }
+
+protected:
+  /* Offset to GlyphAssembly table for this shape - from the beginning of
+     MathGlyphConstruction table. May be NULL. */
+  OffsetTo<GlyphAssembly>	  glyphAssembly;
+
+  /* MathGlyphVariantRecords for alternative variants of the glyphs. */
+  ArrayOf<MathGlyphVariantRecord> mathGlyphVariantRecord;
+
+public:
+  DEFINE_SIZE_ARRAY (2 + 2, mathGlyphVariantRecord);
+};
+
+struct MathVariants
+{
+  inline bool sanitize_offsets (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    unsigned int count = vertGlyphCount + horizGlyphCount;
+    for (unsigned int i = 0; i < count; i++)
+      if (!glyphConstruction[i].sanitize (c, this)) return_trace (false);
+    return_trace (true);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  vertGlyphCoverage.sanitize (c, this) &&
+		  horizGlyphCoverage.sanitize (c, this) &&
+		  c->check_array (glyphConstruction,
+				  glyphConstruction[0].static_size,
+				  vertGlyphCount + horizGlyphCount) &&
+		  sanitize_offsets (c));
+  }
+
+  inline hb_position_t get_min_connector_overlap (hb_font_t *font,
+						  bool horizontal) const
+  {
+    return horizontal ?
+      font->em_scale_x (minConnectorOverlap) :
+      font->em_scale_y (minConnectorOverlap);
+  }
+
+  inline bool
+  get_glyph_construction (hb_codepoint_t glyph,
+			  hb_bool_t horizontal,
+			  const MathGlyphConstruction *&glyph_construction) const {
+    unsigned int index =
+      horizontal ?
+      (this+horizGlyphCoverage).get_coverage (glyph) :
+      (this+vertGlyphCoverage).get_coverage (glyph);
+    if (likely (index == NOT_COVERED)) return false;
+
+    USHORT glyphCount = horizontal ? horizGlyphCount : vertGlyphCount;
+    if (unlikely (index >= glyphCount)) return false;
+
+    if (horizontal)
+      index += vertGlyphCount;
+
+    glyph_construction = &(this + glyphConstruction[index]);
+    return true;
+  }
+
+protected:
+  USHORT	     minConnectorOverlap; /* Minimum overlap of connecting
+					   * glyphs during glyph construction,
+					   * in design units. */
+  OffsetTo<Coverage> vertGlyphCoverage;   /* Offset to Coverage table -
+					   * from the beginning of MathVariants
+					   * table. */
+  OffsetTo<Coverage> horizGlyphCoverage;  /* Offset to Coverage table -
+					   * from the beginning of MathVariants
+					   * table. */
+  USHORT	     vertGlyphCount;      /* Number of glyphs for which
+					   * information is provided for
+					   * vertically growing variants. */
+  USHORT	     horizGlyphCount;     /* Number of glyphs for which
+					   * information is provided for
+					   * horizontally growing variants. */
+
+  /* Array of offsets to MathGlyphConstruction tables - from the beginning of
+     the MathVariants table, for shapes growing in vertical/horizontal
+     direction. */
+  OffsetTo<MathGlyphConstruction>       glyphConstruction[VAR];
+
+public:
+  DEFINE_SIZE_ARRAY (5 * 2, glyphConstruction);
+};
+
 
 /*
  * MATH -- The MATH Table
@@ -428,24 +665,32 @@ struct MATH
     return_trace (version.sanitize (c) &&
 		  likely (version.major == 1) &&
 		  mathConstants.sanitize (c, this) &&
-		  mathGlyphInfo.sanitize (c, this));
+		  mathGlyphInfo.sanitize (c, this) &&
+		  mathVariants.sanitize (c, this));
   }
 
   inline hb_position_t get_constant (hb_ot_math_constant_t  constant,
-				     hb_font_t             *font) const
+				     hb_font_t		   *font) const
   { return (this+mathConstants).get_value (constant, font); }
 
   inline const MathGlyphInfo &get_math_glyph_info (void) const {
     return this+mathGlyphInfo;
   }
+
+  inline bool has_math_variants (void) const { return mathVariants != 0; }
+  inline const MathVariants &get_math_variants (void) const {
+    return this+mathVariants;
+  }
+
 protected:
   FixedVersion<>version;		/* Version of the MATH table
 					 * initially set to 0x00010000u */
   OffsetTo<MathConstants> mathConstants;/* MathConstants table */
   OffsetTo<MathGlyphInfo> mathGlyphInfo;/* MathGlyphInfo table */
+  OffsetTo<MathVariants>  mathVariants;	/* MathVariants table */
 
 public:
-  DEFINE_SIZE_STATIC (8);
+  DEFINE_SIZE_STATIC (10);
 };
 
 } /* mathspace OT */
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index a4272de63..775261a49 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -617,5 +617,15 @@ _hb_buffer_assert_gsubgpos_vars (hb_buffer_t *buffer)
 #undef lig_props
 #undef glyph_props
 
+namespace OT {
+  struct MathGlyphConstruction;
+};
+
+HB_INTERNAL hb_bool_t
+hb_ot_layout_get_math_glyph_construction (hb_font_t *font,
+                                          hb_codepoint_t glyph,
+                                          hb_bool_t horizontal,
+                                          hb_position_t &minConnectorOverlap,
+                                          const OT::MathGlyphConstruction *&glyph_construction);
 
 #endif /* HB_OT_LAYOUT_PRIVATE_HH */
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 3d87b506a..e92d38b0b 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1350,3 +1350,57 @@ hb_ot_layout_get_math_kerning (hb_font_t *font,
   const OT::MATH &math = _get_math (font->face);
   return math.get_math_glyph_info().get_kerning (glyph, kern, correction_height, font);
 }
+
+#if 0
+/**
+ * hb_ot_layout_get_math_italic_correction_for_glyph_assembly:
+ * @font: an #hb_font_t with an OpenType MATH table
+ * @base_glyph: index of the glyph to stretch
+ * @horizontal: direction of the stretching
+ *
+ * This function tries and get the italic correction associated to the glyph
+ * assembly used to stretch the base glyph in the specified direction.
+ *
+ * Return value: the italic correction of the glyph assembly or 0
+ *
+ * Since: ????
+ **/
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font_t *font,
+                                                            hb_codepoint_t base_glyph,
+                                                            hb_bool_t horizontal)
+{
+  const OT::MATH &math = _get_math (font->face);
+
+  if (math.has_math_variants()) {
+    const OT::MathGlyphConstruction* glyph_construction;
+    if (math.get_math_variants().
+        get_glyph_construction(base_glyph, horizontal, glyph_construction) &&
+        glyph_construction->has_glyph_assembly())
+      return glyph_construction->
+        get_glyph_assembly().get_italic_correction(font);
+  }
+
+  return 0;
+}
+
+HB_INTERNAL hb_bool_t
+hb_ot_layout_get_math_glyph_construction (hb_font_t    *font,
+                                          hb_codepoint_t glyph,
+                                          hb_bool_t horizontal,
+                                          hb_position_t &minConnectorOverlap,
+                                          const OT::MathGlyphConstruction *&glyph_construction)
+{
+  const OT::MATH &math = _get_math (font->face);
+
+  if (!math.has_math_variants()) return false;
+
+  const OT::MathVariants &mathVariants = math.get_math_variants();
+  if (!mathVariants.get_glyph_construction(glyph, horizontal,
+                                           glyph_construction)) return false;
+
+  minConnectorOverlap = mathVariants.get_min_connector_overlap(font, horizontal);
+
+  return true;
+}
+#endif
diff --git a/test/api/fonts/MathTestFontPartial4.otf b/test/api/fonts/MathTestFontPartial4.otf
new file mode 100644
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diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
index 93dab740a..34ed0fc06 100644
--- a/test/api/test-ot-layout-math.c
+++ b/test/api/test-ot-layout-math.c
@@ -315,6 +315,56 @@ test_get_math_kerning (void)
 }
 
 
+#if 0
+static void
+test_get_math_italic_correction_for_glyph_assembly (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // MathVariants not available
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // MathVariants not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial3.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);  // HorizGlyphConstruction and VertGlyphConstruction empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial4.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0);
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 124);
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0);
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 331);
+  closeFont();
+
+  cleanupFreeType();
+}
+#endif
+
 int
 main (int argc, char **argv)
 {
@@ -326,6 +376,7 @@ main (int argc, char **argv)
   hb_test_add (test_get_math_top_accent_attachment);
   hb_test_add (test_is_math_extended_shape);
   hb_test_add (test_get_math_kerning);
+  //hb_test_add (test_get_math_italic_correction_for_glyph_assembly);
 
   return hb_test_run();
 }

From 1f3327f21045df8a050a21a949b44b9ce186ceaa Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 16:10:08 +0100
Subject: [PATCH 0058/1326] [MATH] Clean up math variants

---
 src/hb-ot-layout-math-table.hh | 35 +++++++++-------------------------
 1 file changed, 9 insertions(+), 26 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 784f5c1a8..bec53f36d 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -437,7 +437,7 @@ protected:
 			       * glyph extension. */
 
 public:
-  DEFINE_SIZE_STATIC (2 + 2);
+  DEFINE_SIZE_STATIC (4);
 };
 
 struct PartFlags : USHORT
@@ -504,7 +504,7 @@ protected:
   PartFlags partFlags;		  /* Part qualifiers. */
 
 public:
-  DEFINE_SIZE_STATIC (5 * 2);
+  DEFINE_SIZE_STATIC (10);
 };
 
 struct GlyphAssembly
@@ -522,7 +522,6 @@ struct GlyphAssembly
 
   inline unsigned int part_record_count() const { return partRecords.len; }
   inline const GlyphPartRecord &get_part_record(unsigned int i) const {
-    assert(i < partRecords.len);
     return partRecords[i];
   }
 
@@ -535,7 +534,7 @@ protected:
 					       * top. */
 
 public:
-  DEFINE_SIZE_ARRAY (4 + 2, partRecords);
+  DEFINE_SIZE_ARRAY (6, partRecords);
 };
 
 struct MathGlyphConstruction
@@ -548,19 +547,6 @@ struct MathGlyphConstruction
 		  mathGlyphVariantRecord.sanitize(c));
   }
 
-  inline bool has_glyph_assembly (void) const { return glyphAssembly != 0; }
-  inline const GlyphAssembly &get_glyph_assembly (void) const {
-    return this+glyphAssembly;
-  }
-
-  inline unsigned int glyph_variant_count() const {
-    return mathGlyphVariantRecord.len;
-  }
-  inline const MathGlyphVariantRecord &get_glyph_variant(unsigned int i) const {
-    assert(i < mathGlyphVariantRecord.len);
-    return mathGlyphVariantRecord[i];
-  }
-
 protected:
   /* Offset to GlyphAssembly table for this shape - from the beginning of
      MathGlyphConstruction table. May be NULL. */
@@ -570,7 +556,7 @@ protected:
   ArrayOf<MathGlyphVariantRecord> mathGlyphVariantRecord;
 
 public:
-  DEFINE_SIZE_ARRAY (2 + 2, mathGlyphVariantRecord);
+  DEFINE_SIZE_ARRAY (4, mathGlyphVariantRecord);
 };
 
 struct MathVariants
@@ -647,7 +633,7 @@ protected:
   OffsetTo<MathGlyphConstruction>       glyphConstruction[VAR];
 
 public:
-  DEFINE_SIZE_ARRAY (5 * 2, glyphConstruction);
+  DEFINE_SIZE_ARRAY (10, glyphConstruction);
 };
 
 
@@ -673,14 +659,11 @@ struct MATH
 				     hb_font_t		   *font) const
   { return (this+mathConstants).get_value (constant, font); }
 
-  inline const MathGlyphInfo &get_math_glyph_info (void) const {
-    return this+mathGlyphInfo;
-  }
+  inline const MathGlyphInfo &get_math_glyph_info (void) const
+  { return this+mathGlyphInfo; }
 
-  inline bool has_math_variants (void) const { return mathVariants != 0; }
-  inline const MathVariants &get_math_variants (void) const {
-    return this+mathVariants;
-  }
+  inline const MathVariants &get_math_variants (void) const
+  { return this+mathVariants; }
 
 protected:
   FixedVersion<>version;		/* Version of the MATH table

From 7fe0e28c22331a353d396f8bc1e3a60f1580a96d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 17:51:47 +0100
Subject: [PATCH 0059/1326] [MATH] Start fleshing out glyph variant API

---
 src/hb-font-private.hh         |  4 ++
 src/hb-ot-layout-math-table.hh | 10 ++---
 src/hb-ot-layout.cc            | 75 ++++++++++++----------------------
 src/hb-ot-layout.h             | 20 +++++++++
 src/hb-ot-math.h               | 18 ++++++++
 5 files changed, 72 insertions(+), 55 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 0b7557794..07bc90093 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -118,6 +118,10 @@ struct hb_font_t {
   /* Convert from font-space to user-space */
   inline hb_position_t em_scale_x (int16_t v) { return em_scale (v, this->x_scale); }
   inline hb_position_t em_scale_y (int16_t v) { return em_scale (v, this->y_scale); }
+  inline hb_position_t em_scale_dir (int16_t v, hb_direction_t direction)
+  { return em_scale (v,
+		     HB_DIRECTION_IS_VERTICAL(direction) ?
+		     this->y_scale : this->x_scale); }
 
   /* Convert from parent-font user-space to our user-space */
   inline hb_position_t parent_scale_x_distance (hb_position_t v) {
diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index bec53f36d..81fc1b009 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -582,13 +582,9 @@ struct MathVariants
 		  sanitize_offsets (c));
   }
 
-  inline hb_position_t get_min_connector_overlap (hb_font_t *font,
-						  bool horizontal) const
-  {
-    return horizontal ?
-      font->em_scale_x (minConnectorOverlap) :
-      font->em_scale_y (minConnectorOverlap);
-  }
+  inline hb_position_t get_min_connector_overlap (hb_direction_t direction,
+						  hb_font_t *font) const
+  { return font->em_scale_dir (minConnectorOverlap, direction); }
 
   inline bool
   get_glyph_construction (hb_codepoint_t glyph,
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index e92d38b0b..eeebb5d77 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1279,7 +1279,7 @@ hb_ot_layout_get_math_constant (hb_font_t *font,
  *
  * Since: 1.4
  **/
-HB_EXTERN hb_position_t
+hb_position_t
 hb_ot_layout_get_math_italics_correction (hb_font_t *font,
 					  hb_codepoint_t glyph)
 {
@@ -1297,7 +1297,7 @@ hb_ot_layout_get_math_italics_correction (hb_font_t *font,
  *
  * Since: 1.4
  **/
-HB_EXTERN hb_position_t
+hb_position_t
 hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
 					     hb_codepoint_t glyph)
 {
@@ -1315,7 +1315,7 @@ hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
  *
  * Since: 1.4
  **/
-HB_EXTERN hb_bool_t
+hb_bool_t
 hb_ot_layout_is_math_extended_shape (hb_face_t *face,
 				     hb_codepoint_t glyph)
 {
@@ -1351,56 +1351,35 @@ hb_ot_layout_get_math_kerning (hb_font_t *font,
   return math.get_math_glyph_info().get_kerning (glyph, kern, correction_height, font);
 }
 
-#if 0
-/**
- * hb_ot_layout_get_math_italic_correction_for_glyph_assembly:
- * @font: an #hb_font_t with an OpenType MATH table
- * @base_glyph: index of the glyph to stretch
- * @horizontal: direction of the stretching
- *
- * This function tries and get the italic correction associated to the glyph
- * assembly used to stretch the base glyph in the specified direction.
- *
- * Return value: the italic correction of the glyph assembly or 0
- *
- * Since: ????
- **/
-HB_EXTERN hb_position_t
-hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font_t *font,
-                                                            hb_codepoint_t base_glyph,
-                                                            hb_bool_t horizontal)
+HB_EXTERN unsigned int
+hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
+				      hb_codepoint_t glyph,
+				      hb_direction_t direction,
+				      unsigned int start_offset,
+				      unsigned int *variant_count, /* IN/OUT */
+				      hb_math_glyph_variant_t *variants /* OUT */)
 {
   const OT::MATH &math = _get_math (font->face);
-
-  if (math.has_math_variants()) {
-    const OT::MathGlyphConstruction* glyph_construction;
-    if (math.get_math_variants().
-        get_glyph_construction(base_glyph, horizontal, glyph_construction) &&
-        glyph_construction->has_glyph_assembly())
-      return glyph_construction->
-        get_glyph_assembly().get_italic_correction(font);
-  }
-
   return 0;
 }
 
-HB_INTERNAL hb_bool_t
-hb_ot_layout_get_math_glyph_construction (hb_font_t    *font,
-                                          hb_codepoint_t glyph,
-                                          hb_bool_t horizontal,
-                                          hb_position_t &minConnectorOverlap,
-                                          const OT::MathGlyphConstruction *&glyph_construction)
+hb_position_t
+hb_ot_layout_get_math_min_connector_overlap (hb_font_t *font,
+					     hb_direction_t direction)
 {
   const OT::MATH &math = _get_math (font->face);
-
-  if (!math.has_math_variants()) return false;
-
-  const OT::MathVariants &mathVariants = math.get_math_variants();
-  if (!mathVariants.get_glyph_construction(glyph, horizontal,
-                                           glyph_construction)) return false;
-
-  minConnectorOverlap = mathVariants.get_min_connector_overlap(font, horizontal);
-
-  return true;
+  return math.get_math_variants().get_min_connector_overlap (direction, font);
+}
+
+HB_EXTERN unsigned int
+hb_ot_layout_get_math_glyph_assembly_parts (hb_font_t *font,
+					    hb_codepoint_t glyph,
+					    hb_direction_t direction,
+					    unsigned int start_offset,
+					    unsigned int *parts_count, /* IN/OUT */
+					    hb_math_glyph_part_t *parts, /* OUT */
+					    hb_position_t *italic_correction /* OUT */)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return 0;
 }
-#endif
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 9c1c57bb4..8eb8d6cbd 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -328,6 +328,26 @@ hb_ot_layout_get_math_kerning (hb_font_t *font,
 			       hb_ot_math_kern_t kern,
 			       hb_position_t correction_height);
 
+HB_EXTERN unsigned int
+hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
+				      hb_codepoint_t glyph,
+				      hb_direction_t direction,
+				      unsigned int start_offset,
+				      unsigned int *variant_count, /* IN/OUT */
+				      hb_math_glyph_variant_t *variants /* OUT */);
+
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_min_connector_overlap (hb_font_t *font,
+					     hb_direction_t direction);
+
+HB_EXTERN unsigned int
+hb_ot_layout_get_math_glyph_assembly_parts (hb_font_t *font,
+					    hb_codepoint_t glyph,
+					    hb_direction_t direction,
+					    unsigned int start_offset,
+					    unsigned int *parts_count, /* IN/OUT */
+					    hb_math_glyph_part_t *parts, /* OUT */
+					    hb_position_t *italic_correction /* OUT */);
 
 HB_END_DECLS
 
diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
index a62b4b612..bf37975d2 100644
--- a/src/hb-ot-math.h
+++ b/src/hb-ot-math.h
@@ -102,6 +102,24 @@ typedef enum {
   HB_OT_MATH_KERN_BOTTOM_LEFT = 3
 } hb_ot_math_kern_t;
 
+typedef struct hb_math_glyph_variant_t {
+  hb_codepoint_t glyph;
+  hb_position_t advance;
+} hb_math_glyph_variant_t;
+
+typedef enum { /*< flags >*/
+  HB_MATH_GLYPH_PART_FLAG_EXTENDER	= 0x00000001u  /* Extender glyph */
+} hb_math_glyph_part_flags_t;
+
+typedef struct hb_math_glyph_part_t {
+  hb_codepoint_t glyph;
+  hb_position_t start_connector_length;
+  hb_position_t end_connector_length;
+  hb_position_t full_advance;
+  hb_math_glyph_part_flags_t flags;
+} hb_math_glyph_part_t;
+
+
 HB_END_DECLS
 
 #endif /* HB_OT_MATH_H */

From 353f455af7ccbc1af8338dcb0c8ab87aef866c79 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 21:22:48 +0200
Subject: [PATCH 0060/1326] [MATH] Wire up get_glyph_variants()

---
 src/hb-font-private.hh         |  11 +-
 src/hb-ot-layout-math-table.hh | 178 ++++++++++++++++-----------------
 src/hb-ot-layout.cc            |   7 +-
 src/hb-ot-layout.h             |   2 +-
 4 files changed, 95 insertions(+), 103 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 07bc90093..6d5012ec1 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -116,12 +116,12 @@ struct hb_font_t {
 
 
   /* Convert from font-space to user-space */
-  inline hb_position_t em_scale_x (int16_t v) { return em_scale (v, this->x_scale); }
-  inline hb_position_t em_scale_y (int16_t v) { return em_scale (v, this->y_scale); }
+  inline int dir_scale (hb_direction_t direction)
+  { return HB_DIRECTION_IS_VERTICAL(direction) ? y_scale : x_scale; }
+  inline hb_position_t em_scale_x (int16_t v) { return em_scale (v, x_scale); }
+  inline hb_position_t em_scale_y (int16_t v) { return em_scale (v, y_scale); }
   inline hb_position_t em_scale_dir (int16_t v, hb_direction_t direction)
-  { return em_scale (v,
-		     HB_DIRECTION_IS_VERTICAL(direction) ?
-		     this->y_scale : this->x_scale); }
+  { return em_scale (v, dir_scale (direction)); }
 
   /* Convert from parent-font user-space to our user-space */
   inline hb_position_t parent_scale_x_distance (hb_position_t v) {
@@ -508,7 +508,6 @@ struct hb_font_t {
     return false;
   }
 
-  private:
   inline hb_position_t em_scale (int16_t v, int scale)
   {
     int upem = face->get_upem ();
diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 81fc1b009..da65c3886 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -47,13 +47,13 @@ struct MathValueRecord
     return_trace (c->check_struct (this) && deviceTable.sanitize (c, base));
   }
 
-protected:
+  protected:
   SHORT			value;		/* The X or Y value in design units */
   OffsetTo<Device>	deviceTable;	/* Offset to the device table - from the
 					 * beginning of parent table. May be NULL.
 					 * Suggested format for device table is 1. */
 
-public:
+  public:
   DEFINE_SIZE_STATIC (4);
 };
 
@@ -153,13 +153,13 @@ struct MathConstants
     }
   }
 
-protected:
+  protected:
   SHORT percentScaleDown[2];
   USHORT minHeight[2];
   MathValueRecord mathValueRecords[51];
   SHORT radicalDegreeBottomRaisePercent;
 
-public:
+  public:
   DEFINE_SIZE_STATIC (214);
 };
 
@@ -180,7 +180,7 @@ struct MathItalicsCorrectionInfo
     return italicsCorrection[index].get_x_value (font, this);
   }
 
-protected:
+  protected:
   OffsetTo<Coverage>       coverage;		/* Offset to Coverage table -
 						 * from the beginning of
 						 * MathItalicsCorrectionInfo
@@ -190,7 +190,7 @@ protected:
 						 * values for each
 						 * covered glyph. */
 
-public:
+  public:
   DEFINE_SIZE_ARRAY (4, italicsCorrection);
 };
 
@@ -213,7 +213,7 @@ struct MathTopAccentAttachment
     return topAccentAttachment[index].get_x_value(font, this);
   }
 
-protected:
+  protected:
   OffsetTo<Coverage>       topAccentCoverage;   /* Offset to Coverage table -
 						 * from the beginning of
 						 * MathTopAccentAttachment
@@ -223,7 +223,7 @@ protected:
 						 * attachment points for each
 						 * covered glyph. */
 
-public:
+  public:
   DEFINE_SIZE_ARRAY (2 + 2, topAccentAttachment);
 };
 
@@ -278,7 +278,7 @@ struct MathKern
     return kernValue[i].get_x_value(font, this);
   }
 
-protected:
+  protected:
   USHORT	  heightCount;
   MathValueRecord mathValueRecords[VAR]; /* Array of correction heights at
 					  * which the kern value changes.
@@ -289,7 +289,7 @@ protected:
 					  * to heights. (heightCount+1 entries).
 					  */
 
-public:
+  public:
   DEFINE_SIZE_ARRAY (2, mathValueRecords);
 };
 
@@ -317,12 +317,12 @@ struct MathKernInfoRecord
     return (base+mathKern[idx]).get_value (correction_height, font);
   }
 
-protected:
+  protected:
   /* Offset to MathKern table for each corner -
    * from the beginning of MathKernInfo table. May be NULL. */
   OffsetTo<MathKern> mathKern[4];
 
-public:
+  public:
   DEFINE_SIZE_STATIC (8);
 };
 
@@ -345,7 +345,7 @@ struct MathKernInfo
     return mathKernInfoRecords[index].get_kerning (kern, correction_height, font, this);
   }
 
-protected:
+  protected:
   OffsetTo<Coverage>		mathKernCoverage;    /* Offset to Coverage table -
 						      * from the beginning of the
 						      * MathKernInfo table. */
@@ -356,7 +356,7 @@ protected:
 						      * of subscripts and
 						      * superscripts. */
 
-public:
+  public:
   DEFINE_SIZE_ARRAY (4, mathKernInfoRecords);
 };
 
@@ -389,7 +389,7 @@ struct MathGlyphInfo
 				    hb_font_t *font) const
   { return (this+mathKernInfo).get_kerning (glyph, kern, correction_height, font); }
 
-protected:
+  protected:
   /* Offset to MathItalicsCorrectionInfo table -
    * from the beginning of MathGlyphInfo table. */
   OffsetTo<MathItalicsCorrectionInfo> mathItalicsCorrectionInfo;
@@ -409,34 +409,27 @@ protected:
     * from the beginning of MathGlyphInfo table. */
   OffsetTo<MathKernInfo> mathKernInfo;
 
-public:
+  public:
   DEFINE_SIZE_STATIC (8);
 };
 
 struct MathGlyphVariantRecord
 {
+  friend struct MathGlyphConstruction;
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this));
   }
 
-  hb_codepoint_t get_glyph() const { return variantGlyph; }
-  inline hb_position_t get_advance_measurement (hb_font_t *font,
-						bool horizontal) const
-  {
-    return horizontal ?
-      font->em_scale_x (advanceMeasurement) :
-      font->em_scale_y (advanceMeasurement);
-  }
-
-protected:
+  protected:
   GlyphID variantGlyph;       /* Glyph ID for the variant. */
   USHORT  advanceMeasurement; /* Advance width/height, in design units, of the
 			       * variant, in the direction of requested
 			       * glyph extension. */
 
-public:
+  public:
   DEFINE_SIZE_STATIC (4);
 };
 
@@ -446,49 +439,21 @@ struct PartFlags : USHORT
     Extender = 0x0001u, /* If set, the part can be skipped or repeated. */
   };
 
-public:
+  public:
   DEFINE_SIZE_STATIC (2);
 };
 
-struct GlyphPartRecord
+struct MathGlyphPartRecord
 {
+  friend struct MathGlyphAssembly;
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this));
   }
 
-  hb_codepoint_t get_glyph() const { return glyph; }
-
-  inline hb_position_t
-  get_start_connector_length (hb_font_t *font, bool horizontal) const
-  {
-    return horizontal ?
-      font->em_scale_x (startConnectorLength) :
-      font->em_scale_y (startConnectorLength);
-  }
-
-  inline hb_position_t
-  get_end_connector_length (hb_font_t *font, bool horizontal) const
-  {
-    return horizontal ?
-      font->em_scale_x (endConnectorLength) :
-      font->em_scale_y (endConnectorLength);
-  }
-
-  inline hb_position_t
-  get_full_advance (hb_font_t *font, bool horizontal) const
-  {
-    return horizontal ?
-      font->em_scale_x (fullAdvance) :
-      font->em_scale_y (fullAdvance);
-  }
-
-  inline bool is_extender() const {
-    return partFlags & PartFlags::Flags::Extender;
-  }
-
-protected:
+  protected:
   GlyphID   glyph;		  /* Glyph ID for the part. */
   USHORT    startConnectorLength; /* Advance width/ height of the straight bar
 				   * connector material, in design units, is at
@@ -503,11 +468,11 @@ protected:
 				   * In design units. */
   PartFlags partFlags;		  /* Part qualifiers. */
 
-public:
+  public:
   DEFINE_SIZE_STATIC (10);
 };
 
-struct GlyphAssembly
+struct MathGlyphAssembly
 {
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -520,20 +485,15 @@ struct GlyphAssembly
   inline hb_position_t get_italic_correction (hb_font_t *font) const
   { return italicsCorrection.get_x_value(font, this); }
 
-  inline unsigned int part_record_count() const { return partRecords.len; }
-  inline const GlyphPartRecord &get_part_record(unsigned int i) const {
-    return partRecords[i];
-  }
-
-protected:
+  protected:
   MathValueRecord	   italicsCorrection; /* Italics correction of this
-					       * GlyphAssembly. Should not
+					       * MathGlyphAssembly. Should not
 					       * depend on the assembly size. */
-  ArrayOf<GlyphPartRecord> partRecords;       /* Array of part records, from
+  ArrayOf<MathGlyphPartRecord> partRecords;   /* Array of part records, from
 					       * left to right and bottom to
 					       * top. */
 
-public:
+  public:
   DEFINE_SIZE_ARRAY (6, partRecords);
 };
 
@@ -547,15 +507,36 @@ struct MathGlyphConstruction
 		  mathGlyphVariantRecord.sanitize(c));
   }
 
-protected:
-  /* Offset to GlyphAssembly table for this shape - from the beginning of
+  inline unsigned int get_variants (hb_direction_t direction,
+				    hb_font_t *font,
+				    unsigned int start_offset,
+				    unsigned int *variants_count, /* IN/OUT */
+				    hb_math_glyph_variant_t *variants /* OUT */) const
+  {
+    if (variants_count)
+    {
+      int scale = font->dir_scale (direction);
+      const MathGlyphVariantRecord *arr =
+	    mathGlyphVariantRecord.sub_array (start_offset, variants_count);
+      unsigned int count = *variants_count;
+      for (unsigned int i = 0; i < count; i++)
+      {
+	variants[i].glyph = arr[i].variantGlyph;
+	variants[i].advance = font->em_scale (arr[i].advanceMeasurement, scale);
+      }
+    }
+    return mathGlyphVariantRecord.len;
+  }
+
+  protected:
+  /* Offset to MathGlyphAssembly table for this shape - from the beginning of
      MathGlyphConstruction table. May be NULL. */
-  OffsetTo<GlyphAssembly>	  glyphAssembly;
+  OffsetTo<MathGlyphAssembly>	  glyphAssembly;
 
   /* MathGlyphVariantRecords for alternative variants of the glyphs. */
   ArrayOf<MathGlyphVariantRecord> mathGlyphVariantRecord;
 
-public:
+  public:
   DEFINE_SIZE_ARRAY (4, mathGlyphVariantRecord);
 };
 
@@ -586,27 +567,36 @@ struct MathVariants
 						  hb_font_t *font) const
   { return font->em_scale_dir (minConnectorOverlap, direction); }
 
-  inline bool
-  get_glyph_construction (hb_codepoint_t glyph,
-			  hb_bool_t horizontal,
-			  const MathGlyphConstruction *&glyph_construction) const {
-    unsigned int index =
-      horizontal ?
-      (this+horizGlyphCoverage).get_coverage (glyph) :
-      (this+vertGlyphCoverage).get_coverage (glyph);
-    if (likely (index == NOT_COVERED)) return false;
+  inline unsigned int get_glyph_variants (hb_codepoint_t glyph,
+					  hb_direction_t direction,
+					  hb_font_t *font,
+					  unsigned int start_offset,
+					  unsigned int *variants_count, /* IN/OUT */
+					  hb_math_glyph_variant_t *variants /* OUT */) const
+  { return get_glyph_construction (glyph, direction, font)
+	   .get_variants (direction, font, start_offset, variants_count, variants); }
 
-    USHORT glyphCount = horizontal ? horizGlyphCount : vertGlyphCount;
-    if (unlikely (index >= glyphCount)) return false;
+  private:
+  inline const MathGlyphConstruction &
+		get_glyph_construction (hb_codepoint_t glyph,
+					hb_direction_t direction,
+					hb_font_t *font) const
+  {
+    bool vertical = HB_DIRECTION_IS_VERTICAL (direction);
+    unsigned int count = vertical ? vertGlyphCount : horizGlyphCount;
+    const OffsetTo<Coverage> &coverage = vertical ? vertGlyphCoverage
+						  : horizGlyphCoverage;
 
-    if (horizontal)
+    unsigned int index = (this+coverage).get_coverage (glyph);
+    if (unlikely (index >= count)) return Null(MathGlyphConstruction);
+
+    if (!vertical)
       index += vertGlyphCount;
 
-    glyph_construction = &(this + glyphConstruction[index]);
-    return true;
+    return this+glyphConstruction[index];
   }
 
-protected:
+  protected:
   USHORT	     minConnectorOverlap; /* Minimum overlap of connecting
 					   * glyphs during glyph construction,
 					   * in design units. */
@@ -626,9 +616,9 @@ protected:
   /* Array of offsets to MathGlyphConstruction tables - from the beginning of
      the MathVariants table, for shapes growing in vertical/horizontal
      direction. */
-  OffsetTo<MathGlyphConstruction>       glyphConstruction[VAR];
+  OffsetTo<MathGlyphConstruction> glyphConstruction[VAR];
 
-public:
+  public:
   DEFINE_SIZE_ARRAY (10, glyphConstruction);
 };
 
@@ -661,14 +651,14 @@ struct MATH
   inline const MathVariants &get_math_variants (void) const
   { return this+mathVariants; }
 
-protected:
+  protected:
   FixedVersion<>version;		/* Version of the MATH table
 					 * initially set to 0x00010000u */
   OffsetTo<MathConstants> mathConstants;/* MathConstants table */
   OffsetTo<MathGlyphInfo> mathGlyphInfo;/* MathGlyphInfo table */
   OffsetTo<MathVariants>  mathVariants;	/* MathVariants table */
 
-public:
+  public:
   DEFINE_SIZE_STATIC (10);
 };
 
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index eeebb5d77..0d3f19bef 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1356,11 +1356,14 @@ hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
 				      hb_codepoint_t glyph,
 				      hb_direction_t direction,
 				      unsigned int start_offset,
-				      unsigned int *variant_count, /* IN/OUT */
+				      unsigned int *variants_count, /* IN/OUT */
 				      hb_math_glyph_variant_t *variants /* OUT */)
 {
   const OT::MATH &math = _get_math (font->face);
-  return 0;
+  return math.get_math_variants().get_glyph_variants (glyph, direction, font,
+						      start_offset,
+						      variants_count,
+						      variants);
 }
 
 hb_position_t
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 8eb8d6cbd..4c01d6310 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -333,7 +333,7 @@ hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
 				      hb_codepoint_t glyph,
 				      hb_direction_t direction,
 				      unsigned int start_offset,
-				      unsigned int *variant_count, /* IN/OUT */
+				      unsigned int *variants_count, /* IN/OUT */
 				      hb_math_glyph_variant_t *variants /* OUT */);
 
 HB_EXTERN hb_position_t

From 559eb564472575ae4d87a241314b8a3ca24418c4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 21:46:05 +0200
Subject: [PATCH 0061/1326] [MATH] Wire up get_glyph_assembly()

---
 src/hb-ot-layout-math-table.hh | 64 +++++++++++++++++++++++++++++++---
 src/hb-ot-layout.cc            | 26 ++++++++------
 src/hb-ot-layout.h             | 14 ++++----
 3 files changed, 81 insertions(+), 23 deletions(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index da65c3886..886ed2dca 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -436,7 +436,9 @@ struct MathGlyphVariantRecord
 struct PartFlags : USHORT
 {
   enum Flags {
-    Extender = 0x0001u, /* If set, the part can be skipped or repeated. */
+    Extender	= 0x0001u, /* If set, the part can be skipped or repeated. */
+
+    Defined	= 0x0001u, /* All defined flags. */
   };
 
   public:
@@ -445,14 +447,30 @@ struct PartFlags : USHORT
 
 struct MathGlyphPartRecord
 {
-  friend struct MathGlyphAssembly;
-
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this));
   }
 
+  inline void extract (hb_math_glyph_part_t &out,
+		       int scale,
+		       hb_font_t *font) const
+  {
+    out.glyph			= glyph;
+
+    out.start_connector_length	= font->em_scale (startConnectorLength, scale);
+    out.end_connector_length	= font->em_scale (endConnectorLength, scale);
+    out.full_advance		= font->em_scale (fullAdvance, scale);
+
+    ASSERT_STATIC ((unsigned int) HB_MATH_GLYPH_PART_FLAG_EXTENDER ==
+		   (unsigned int) PartFlags::Extender);
+
+    out.flags = (hb_math_glyph_part_flags_t)
+		(unsigned int)
+		(partFlags & PartFlags::Defined);
+  }
+
   protected:
   GlyphID   glyph;		  /* Glyph ID for the part. */
   USHORT    startConnectorLength; /* Advance width/ height of the straight bar
@@ -482,8 +500,28 @@ struct MathGlyphAssembly
 		  partRecords.sanitize(c));
   }
 
-  inline hb_position_t get_italic_correction (hb_font_t *font) const
-  { return italicsCorrection.get_x_value(font, this); }
+  inline unsigned int get_parts (hb_direction_t direction,
+				 hb_font_t *font,
+				 unsigned int start_offset,
+				 unsigned int *parts_count, /* IN/OUT */
+				 hb_math_glyph_part_t *parts /* OUT */,
+				 hb_position_t *italics_correction /* OUT */) const
+  {
+    if (parts_count)
+    {
+      int scale = font->dir_scale (direction);
+      const MathGlyphPartRecord *arr =
+	    partRecords.sub_array (start_offset, parts_count);
+      unsigned int count = *parts_count;
+      for (unsigned int i = 0; i < count; i++)
+        arr[i].extract (parts[i], scale, font);
+    }
+
+    if (italics_correction)
+      *italics_correction = italicsCorrection.get_x_value (font, this);
+
+    return partRecords.len;
+  }
 
   protected:
   MathValueRecord	   italicsCorrection; /* Italics correction of this
@@ -507,6 +545,9 @@ struct MathGlyphConstruction
 		  mathGlyphVariantRecord.sanitize(c));
   }
 
+  inline const MathGlyphAssembly &get_assembly (void) const
+  { return this+glyphAssembly; }
+
   inline unsigned int get_variants (hb_direction_t direction,
 				    hb_font_t *font,
 				    unsigned int start_offset,
@@ -576,6 +617,19 @@ struct MathVariants
   { return get_glyph_construction (glyph, direction, font)
 	   .get_variants (direction, font, start_offset, variants_count, variants); }
 
+  inline unsigned int get_glyph_parts (hb_codepoint_t glyph,
+				       hb_direction_t direction,
+				       hb_font_t *font,
+				       unsigned int start_offset,
+				       unsigned int *parts_count, /* IN/OUT */
+				       hb_math_glyph_part_t *parts /* OUT */,
+				       hb_position_t *italics_correction /* OUT */) const
+  { return get_glyph_construction (glyph, direction, font)
+	   .get_assembly ()
+	   .get_parts (direction, font,
+		       start_offset, parts_count, parts,
+		       italics_correction); }
+
   private:
   inline const MathGlyphConstruction &
 		get_glyph_construction (hb_codepoint_t glyph,
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 0d3f19bef..942158e80 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1341,7 +1341,7 @@ hb_ot_layout_is_math_extended_shape (hb_face_t *face,
  *
  * Since: 1.4
  **/
-HB_EXTERN hb_position_t
+hb_position_t
 hb_ot_layout_get_math_kerning (hb_font_t *font,
 			       hb_codepoint_t glyph,
 			       hb_ot_math_kern_t kern,
@@ -1351,7 +1351,7 @@ hb_ot_layout_get_math_kerning (hb_font_t *font,
   return math.get_math_glyph_info().get_kerning (glyph, kern, correction_height, font);
 }
 
-HB_EXTERN unsigned int
+unsigned int
 hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
 				      hb_codepoint_t glyph,
 				      hb_direction_t direction,
@@ -1374,15 +1374,19 @@ hb_ot_layout_get_math_min_connector_overlap (hb_font_t *font,
   return math.get_math_variants().get_min_connector_overlap (direction, font);
 }
 
-HB_EXTERN unsigned int
-hb_ot_layout_get_math_glyph_assembly_parts (hb_font_t *font,
-					    hb_codepoint_t glyph,
-					    hb_direction_t direction,
-					    unsigned int start_offset,
-					    unsigned int *parts_count, /* IN/OUT */
-					    hb_math_glyph_part_t *parts, /* OUT */
-					    hb_position_t *italic_correction /* OUT */)
+unsigned int
+hb_ot_layout_get_math_glyph_assembly (hb_font_t *font,
+				      hb_codepoint_t glyph,
+				      hb_direction_t direction,
+				      unsigned int start_offset,
+				      unsigned int *parts_count, /* IN/OUT */
+				      hb_math_glyph_part_t *parts, /* OUT */
+				      hb_position_t *italics_correction /* OUT */)
 {
   const OT::MATH &math = _get_math (font->face);
-  return 0;
+  return math.get_math_variants().get_glyph_parts (glyph, direction, font,
+						   start_offset,
+						   parts_count,
+						   parts,
+						   italics_correction);
 }
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 4c01d6310..b6fbd00a5 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -341,13 +341,13 @@ hb_ot_layout_get_math_min_connector_overlap (hb_font_t *font,
 					     hb_direction_t direction);
 
 HB_EXTERN unsigned int
-hb_ot_layout_get_math_glyph_assembly_parts (hb_font_t *font,
-					    hb_codepoint_t glyph,
-					    hb_direction_t direction,
-					    unsigned int start_offset,
-					    unsigned int *parts_count, /* IN/OUT */
-					    hb_math_glyph_part_t *parts, /* OUT */
-					    hb_position_t *italic_correction /* OUT */);
+hb_ot_layout_get_math_glyph_assembly (hb_font_t *font,
+				      hb_codepoint_t glyph,
+				      hb_direction_t direction,
+				      unsigned int start_offset,
+				      unsigned int *parts_count, /* IN/OUT */
+				      hb_math_glyph_part_t *parts, /* OUT */
+				      hb_position_t *italics_correction /* OUT */);
 
 HB_END_DECLS
 

From 97b72da6006d8d6355ee90d514f627e6604a4936 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 21:53:25 +0200
Subject: [PATCH 0062/1326] Whitespace

---
 src/hb-ot-layout-math-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index 886ed2dca..efffd2b53 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -514,7 +514,7 @@ struct MathGlyphAssembly
 	    partRecords.sub_array (start_offset, parts_count);
       unsigned int count = *parts_count;
       for (unsigned int i = 0; i < count; i++)
-        arr[i].extract (parts[i], scale, font);
+	arr[i].extract (parts[i], scale, font);
     }
 
     if (italics_correction)

From 1ba767cd4e3606beb9dc59806b83b1e61f5958d4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 21:57:14 +0200
Subject: [PATCH 0063/1326] [MATH] Move API from hb-ot-layout.h to hb-ot-math.h

---
 src/hb-ot-layout.h | 52 ------------------------------------------
 src/hb-ot-math.h   | 56 ++++++++++++++++++++++++++++++++++++++++++++++
 src/hb-ot.h        |  1 +
 3 files changed, 57 insertions(+), 52 deletions(-)

diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index b6fbd00a5..eb23d45b6 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -33,7 +33,6 @@
 
 #include "hb.h"
 
-#include "hb-ot-math.h"
 #include "hb-ot-tag.h"
 
 HB_BEGIN_DECLS
@@ -43,7 +42,6 @@ HB_BEGIN_DECLS
 #define HB_OT_TAG_GSUB HB_TAG('G','S','U','B')
 #define HB_OT_TAG_GPOS HB_TAG('G','P','O','S')
 #define HB_OT_TAG_JSTF HB_TAG('J','S','T','F')
-#define HB_OT_TAG_MATH HB_TAG('M','A','T','H')
 
 
 /*
@@ -299,56 +297,6 @@ hb_ot_layout_get_size_params (hb_face_t    *face,
 			      unsigned int *range_end          /* OUT.  May be NULL */);
 
 
-/*
- * MATH
- */
-
-HB_EXTERN hb_bool_t
-hb_ot_layout_has_math_data (hb_face_t *face);
-
-HB_EXTERN hb_position_t
-hb_ot_layout_get_math_constant (hb_font_t *font,
-				hb_ot_math_constant_t constant);
-
-HB_EXTERN hb_position_t
-hb_ot_layout_get_math_italics_correction (hb_font_t *font,
-					  hb_codepoint_t glyph);
-
-HB_EXTERN hb_position_t
-hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
-					     hb_codepoint_t glyph);
-
-HB_EXTERN hb_bool_t
-hb_ot_layout_is_math_extended_shape (hb_face_t *face,
-				     hb_codepoint_t glyph);
-
-HB_EXTERN hb_position_t
-hb_ot_layout_get_math_kerning (hb_font_t *font,
-			       hb_codepoint_t glyph,
-			       hb_ot_math_kern_t kern,
-			       hb_position_t correction_height);
-
-HB_EXTERN unsigned int
-hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
-				      hb_codepoint_t glyph,
-				      hb_direction_t direction,
-				      unsigned int start_offset,
-				      unsigned int *variants_count, /* IN/OUT */
-				      hb_math_glyph_variant_t *variants /* OUT */);
-
-HB_EXTERN hb_position_t
-hb_ot_layout_get_math_min_connector_overlap (hb_font_t *font,
-					     hb_direction_t direction);
-
-HB_EXTERN unsigned int
-hb_ot_layout_get_math_glyph_assembly (hb_font_t *font,
-				      hb_codepoint_t glyph,
-				      hb_direction_t direction,
-				      unsigned int start_offset,
-				      unsigned int *parts_count, /* IN/OUT */
-				      hb_math_glyph_part_t *parts, /* OUT */
-				      hb_position_t *italics_correction /* OUT */);
-
 HB_END_DECLS
 
 #endif /* HB_OT_LAYOUT_H */
diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
index bf37975d2..5ff19fd24 100644
--- a/src/hb-ot-math.h
+++ b/src/hb-ot-math.h
@@ -36,6 +36,14 @@
 HB_BEGIN_DECLS
 
 
+/*
+ * MATH
+ */
+
+#define HB_OT_TAG_MATH HB_TAG('M','A','T','H')
+
+/* Types */
+
 typedef enum {
   HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN = 0,
   HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN = 1,
@@ -119,6 +127,54 @@ typedef struct hb_math_glyph_part_t {
   hb_math_glyph_part_flags_t flags;
 } hb_math_glyph_part_t;
 
+/* Methods */
+
+HB_EXTERN hb_bool_t
+hb_ot_layout_has_math_data (hb_face_t *face);
+
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_constant (hb_font_t *font,
+				hb_ot_math_constant_t constant);
+
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_italics_correction (hb_font_t *font,
+					  hb_codepoint_t glyph);
+
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
+					     hb_codepoint_t glyph);
+
+HB_EXTERN hb_bool_t
+hb_ot_layout_is_math_extended_shape (hb_face_t *face,
+				     hb_codepoint_t glyph);
+
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_kerning (hb_font_t *font,
+			       hb_codepoint_t glyph,
+			       hb_ot_math_kern_t kern,
+			       hb_position_t correction_height);
+
+HB_EXTERN unsigned int
+hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
+				      hb_codepoint_t glyph,
+				      hb_direction_t direction,
+				      unsigned int start_offset,
+				      unsigned int *variants_count, /* IN/OUT */
+				      hb_math_glyph_variant_t *variants /* OUT */);
+
+HB_EXTERN hb_position_t
+hb_ot_layout_get_math_min_connector_overlap (hb_font_t *font,
+					     hb_direction_t direction);
+
+HB_EXTERN unsigned int
+hb_ot_layout_get_math_glyph_assembly (hb_font_t *font,
+				      hb_codepoint_t glyph,
+				      hb_direction_t direction,
+				      unsigned int start_offset,
+				      unsigned int *parts_count, /* IN/OUT */
+				      hb_math_glyph_part_t *parts, /* OUT */
+				      hb_position_t *italics_correction /* OUT */);
+
 
 HB_END_DECLS
 
diff --git a/src/hb-ot.h b/src/hb-ot.h
index 47c92a58e..113e37b08 100644
--- a/src/hb-ot.h
+++ b/src/hb-ot.h
@@ -32,6 +32,7 @@
 
 #include "hb-ot-font.h"
 #include "hb-ot-layout.h"
+#include "hb-ot-math.h"
 #include "hb-ot-tag.h"
 #include "hb-ot-shape.h"
 

From 86106c7528d9bff8de6bc3e1487be780c31ea4fd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 22:12:48 +0200
Subject: [PATCH 0064/1326] [MATH] Rename all API to hb_ot_math_*

---
 src/hb-ot-layout-private.hh    |  10 -
 src/hb-ot-layout.cc            |  69 +++---
 src/hb-ot-math.h               |  58 ++---
 test/api/Makefile.am           |   6 +-
 test/api/test-ot-layout-math.c | 382 ---------------------------------
 test/api/test-ot-math.c        | 381 ++++++++++++++++++++++++++++++++
 6 files changed, 448 insertions(+), 458 deletions(-)
 delete mode 100644 test/api/test-ot-layout-math.c
 create mode 100644 test/api/test-ot-math.c

diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 775261a49..a4272de63 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -617,15 +617,5 @@ _hb_buffer_assert_gsubgpos_vars (hb_buffer_t *buffer)
 #undef lig_props
 #undef glyph_props
 
-namespace OT {
-  struct MathGlyphConstruction;
-};
-
-HB_INTERNAL hb_bool_t
-hb_ot_layout_get_math_glyph_construction (hb_font_t *font,
-                                          hb_codepoint_t glyph,
-                                          hb_bool_t horizontal,
-                                          hb_position_t &minConnectorOverlap,
-                                          const OT::MathGlyphConstruction *&glyph_construction);
 
 #endif /* HB_OT_LAYOUT_PRIVATE_HH */
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 942158e80..588f5ab00 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1225,9 +1225,10 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
 /*
  * MATH
  */
+/* TODO Move this to hb-ot-math.cc and separate it from hb_ot_layout_t. */
 
 /**
- * hb_ot_layout_has_math_data:
+ * hb_ot_math_has_data:
  *
  * @face: #hb_face_t to test
  *
@@ -1240,13 +1241,13 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
  * Since: 1.4
  **/
 hb_bool_t
-hb_ot_layout_has_math_data (hb_face_t *face)
+hb_ot_math_has_data (hb_face_t *face)
 {
   return &_get_math (face) != &OT::Null(OT::MATH);
 }
 
 /**
- * hb_ot_layout_get_math_constant:
+ * hb_ot_math_get_constant:
  *
  * @font: #hb_font_t from which to retrieve the value
  * @constant: #hb_ot_math_constant_t the constant to retrieve
@@ -1262,15 +1263,15 @@ hb_ot_layout_has_math_data (hb_face_t *face)
  * Since: 1.4
  **/
 hb_position_t
-hb_ot_layout_get_math_constant (hb_font_t *font,
-				hb_ot_math_constant_t constant)
+hb_ot_math_get_constant (hb_font_t *font,
+			 hb_ot_math_constant_t constant)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.get_constant(constant, font);
 }
 
 /**
- * hb_ot_layout_get_math_italics_correction:
+ * hb_ot_math_get_glyph_italics_correction:
  *
  * @font: #hb_font_t from which to retrieve the value
  * @glyph: glyph index from which to retrieve the value
@@ -1280,15 +1281,15 @@ hb_ot_layout_get_math_constant (hb_font_t *font,
  * Since: 1.4
  **/
 hb_position_t
-hb_ot_layout_get_math_italics_correction (hb_font_t *font,
-					  hb_codepoint_t glyph)
+hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
+					 hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.get_math_glyph_info().get_italics_correction (glyph, font);
 }
 
 /**
- * hb_ot_layout_get_math_top_accent_attachment:
+ * hb_ot_math_get_glyph_top_accent_attachment:
  *
  * @font: #hb_font_t from which to retrieve the value
  * @glyph: glyph index from which to retrieve the value
@@ -1298,15 +1299,15 @@ hb_ot_layout_get_math_italics_correction (hb_font_t *font,
  * Since: 1.4
  **/
 hb_position_t
-hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
-					     hb_codepoint_t glyph)
+hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
+					    hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.get_math_glyph_info().get_top_accent_attachment (glyph, font);
 }
 
 /**
- * hb_ot_layout_is_math_extended_shape:
+ * hb_ot_math_is_glyph_extended_shape:
  *
  * @font: a #hb_font_t to test
  * @glyph: a glyph index to test
@@ -1316,15 +1317,15 @@ hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
  * Since: 1.4
  **/
 hb_bool_t
-hb_ot_layout_is_math_extended_shape (hb_face_t *face,
-				     hb_codepoint_t glyph)
+hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
+				    hb_codepoint_t glyph)
 {
   const OT::MATH &math = _get_math (face);
   return math.get_math_glyph_info().is_extended_shape (glyph);
 }
 
 /**
- * hb_ot_layout_get_math_kerning:
+ * hb_ot_math_get_glyph_kerning:
  *
  * @font: #hb_font_t from which to retrieve the value
  * @glyph: glyph index from which to retrieve the value
@@ -1342,22 +1343,22 @@ hb_ot_layout_is_math_extended_shape (hb_face_t *face,
  * Since: 1.4
  **/
 hb_position_t
-hb_ot_layout_get_math_kerning (hb_font_t *font,
-			       hb_codepoint_t glyph,
-			       hb_ot_math_kern_t kern,
-			       hb_position_t correction_height)
+hb_ot_math_get_glyph_kerning (hb_font_t *font,
+			      hb_codepoint_t glyph,
+			      hb_ot_math_kern_t kern,
+			      hb_position_t correction_height)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.get_math_glyph_info().get_kerning (glyph, kern, correction_height, font);
 }
 
 unsigned int
-hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
-				      hb_codepoint_t glyph,
-				      hb_direction_t direction,
-				      unsigned int start_offset,
-				      unsigned int *variants_count, /* IN/OUT */
-				      hb_math_glyph_variant_t *variants /* OUT */)
+hb_ot_math_get_glyph_variants (hb_font_t *font,
+			       hb_codepoint_t glyph,
+			       hb_direction_t direction,
+			       unsigned int start_offset,
+			       unsigned int *variants_count, /* IN/OUT */
+			       hb_math_glyph_variant_t *variants /* OUT */)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.get_math_variants().get_glyph_variants (glyph, direction, font,
@@ -1367,21 +1368,21 @@ hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
 }
 
 hb_position_t
-hb_ot_layout_get_math_min_connector_overlap (hb_font_t *font,
-					     hb_direction_t direction)
+hb_ot_math_get_min_connector_overlap (hb_font_t *font,
+				      hb_direction_t direction)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.get_math_variants().get_min_connector_overlap (direction, font);
 }
 
 unsigned int
-hb_ot_layout_get_math_glyph_assembly (hb_font_t *font,
-				      hb_codepoint_t glyph,
-				      hb_direction_t direction,
-				      unsigned int start_offset,
-				      unsigned int *parts_count, /* IN/OUT */
-				      hb_math_glyph_part_t *parts, /* OUT */
-				      hb_position_t *italics_correction /* OUT */)
+hb_ot_math_get_glyph_assembly (hb_font_t *font,
+			       hb_codepoint_t glyph,
+			       hb_direction_t direction,
+			       unsigned int start_offset,
+			       unsigned int *parts_count, /* IN/OUT */
+			       hb_math_glyph_part_t *parts, /* OUT */
+			       hb_position_t *italics_correction /* OUT */)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.get_math_variants().get_glyph_parts (glyph, direction, font,
diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
index 5ff19fd24..ad8bf14e5 100644
--- a/src/hb-ot-math.h
+++ b/src/hb-ot-math.h
@@ -130,50 +130,50 @@ typedef struct hb_math_glyph_part_t {
 /* Methods */
 
 HB_EXTERN hb_bool_t
-hb_ot_layout_has_math_data (hb_face_t *face);
+hb_ot_math_has_data (hb_face_t *face);
 
 HB_EXTERN hb_position_t
-hb_ot_layout_get_math_constant (hb_font_t *font,
-				hb_ot_math_constant_t constant);
+hb_ot_math_get_constant (hb_font_t *font,
+			 hb_ot_math_constant_t constant);
 
 HB_EXTERN hb_position_t
-hb_ot_layout_get_math_italics_correction (hb_font_t *font,
-					  hb_codepoint_t glyph);
+hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
+					 hb_codepoint_t glyph);
 
 HB_EXTERN hb_position_t
-hb_ot_layout_get_math_top_accent_attachment (hb_font_t *font,
-					     hb_codepoint_t glyph);
+hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
+					    hb_codepoint_t glyph);
 
 HB_EXTERN hb_bool_t
-hb_ot_layout_is_math_extended_shape (hb_face_t *face,
-				     hb_codepoint_t glyph);
+hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
+				    hb_codepoint_t glyph);
 
 HB_EXTERN hb_position_t
-hb_ot_layout_get_math_kerning (hb_font_t *font,
+hb_ot_math_get_glyph_kerning (hb_font_t *font,
+			      hb_codepoint_t glyph,
+			      hb_ot_math_kern_t kern,
+			      hb_position_t correction_height);
+
+HB_EXTERN unsigned int
+hb_ot_math_get_glyph_variants (hb_font_t *font,
 			       hb_codepoint_t glyph,
-			       hb_ot_math_kern_t kern,
-			       hb_position_t correction_height);
-
-HB_EXTERN unsigned int
-hb_ot_layout_get_math_glyph_variants (hb_font_t *font,
-				      hb_codepoint_t glyph,
-				      hb_direction_t direction,
-				      unsigned int start_offset,
-				      unsigned int *variants_count, /* IN/OUT */
-				      hb_math_glyph_variant_t *variants /* OUT */);
+			       hb_direction_t direction,
+			       unsigned int start_offset,
+			       unsigned int *variants_count, /* IN/OUT */
+			       hb_math_glyph_variant_t *variants /* OUT */);
 
 HB_EXTERN hb_position_t
-hb_ot_layout_get_math_min_connector_overlap (hb_font_t *font,
-					     hb_direction_t direction);
+hb_ot_math_get_min_connector_overlap (hb_font_t *font,
+				      hb_direction_t direction);
 
 HB_EXTERN unsigned int
-hb_ot_layout_get_math_glyph_assembly (hb_font_t *font,
-				      hb_codepoint_t glyph,
-				      hb_direction_t direction,
-				      unsigned int start_offset,
-				      unsigned int *parts_count, /* IN/OUT */
-				      hb_math_glyph_part_t *parts, /* OUT */
-				      hb_position_t *italics_correction /* OUT */);
+hb_ot_math_get_glyph_assembly (hb_font_t *font,
+			       hb_codepoint_t glyph,
+			       hb_direction_t direction,
+			       unsigned int start_offset,
+			       unsigned int *parts_count, /* IN/OUT */
+			       hb_math_glyph_part_t *parts, /* OUT */
+			       hb_position_t *italics_correction /* OUT */);
 
 
 HB_END_DECLS
diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 27520ffe8..58f49146a 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -50,10 +50,10 @@ TEST_PROGS += \
 
 if HAVE_FREETYPE
 TEST_PROGS += \
-	test-ot-layout-math \
+	test-ot-math \
 	$(NULL)
-test_ot_layout_math_LDADD = $(LDADD) $(FREETYPE_LIBS)
-test_ot_layout_math_CPPFLAGS = $(AM_CPPFLAGS) $(FREETYPE_CFLAGS)
+test_ot_math_LDADD = $(LDADD) $(FREETYPE_LIBS)
+test_ot_math_CPPFLAGS = $(AM_CPPFLAGS) $(FREETYPE_CFLAGS)
 endif # HAVE_FREETYPE
 
 endif # HAVE_OT
diff --git a/test/api/test-ot-layout-math.c b/test/api/test-ot-layout-math.c
deleted file mode 100644
index 34ed0fc06..000000000
--- a/test/api/test-ot-layout-math.c
+++ /dev/null
@@ -1,382 +0,0 @@
-/*
- * Copyright © 2016  Igalia S.L.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Igalia Author(s): Frédéric Wang
- */
-
-
-#include "hb-test.h"
-
-#include "hb-ft.h"
-#include "hb-ot.h"
-
-/* Unit tests for hb-ot-layout.h - OpenType MATH table  */
-
-static FT_Library ft_library;
-static FT_Face ft_face;
-static hb_font_t *hb_font;
-static hb_face_t *hb_face;
-
-static inline void
-initFreeType (void)
-{
-  FT_Error ft_error;
-  if ((ft_error = FT_Init_FreeType (&ft_library)))
-    abort();
-}
-
-static inline void
-cleanupFreeType (void)
-{
-  FT_Done_FreeType (ft_library);
-}
-
-static void
-openFont(const char* fontFile)
-{
-  gchar* path = g_test_build_filename(G_TEST_DIST, fontFile, NULL);
-
-  FT_Error ft_error;
-  if ((ft_error = FT_New_Face (ft_library, path, 0, &ft_face))) {
-    g_free(path);
-    abort();
-  }
-  g_free(path);
-
-#define fontSize 1000
-  if ((ft_error = FT_Set_Char_Size (ft_face, fontSize, fontSize, 0, 0)))
-    abort();
-  hb_font = hb_ft_font_create (ft_face, NULL);
-  hb_face = hb_ft_face_create_cached(ft_face);
-}
-
-static inline void
-closeFont (void)
-{
-  hb_font_destroy (hb_font);
-  FT_Done_Face (ft_face);
-}
-
-static void
-test_has_math_data (void)
-{
-  initFreeType();
-
-  openFont("fonts/MathTestFontNone.otf");
-  g_assert(!hb_ot_layout_has_math_data (hb_face)); // MATH table not available
-  closeFont();
-
-  openFont("fonts/MathTestFontEmpty.otf");
-  g_assert(hb_ot_layout_has_math_data (hb_face)); // MATH table available
-  closeFont();
-
-  cleanupFreeType();
-}
-
-static void
-test_get_math_constant (void)
-{
-  initFreeType();
-
-  openFont("fonts/MathTestFontEmpty.otf");
-  g_assert_cmpint(hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT), ==, 0); // MathConstants not available
-  closeFont();
-
-  openFont("fonts/MathTestFontFull.otf");
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT)), ==, 100);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT)), ==, 200);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_MATH_LEADING)), ==, 300);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_AXIS_HEIGHT)), ==, 400);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT)), ==, 500);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT)), ==, 600);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN)), ==, 700);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX)), ==, 800);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN)), ==, 900);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP)), ==, 1100);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED)), ==, 1200);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN)), ==, 1300);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX)), ==, 1400);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN)), ==, 1500);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT)), ==, 1600);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT)), ==, 1700);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN)), ==, 1800);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN)), ==, 1900);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN)), ==, 2200);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN)), ==, 2300);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP)), ==, 2400);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP)), ==, 2500);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN)), ==, 2600);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN)), ==, 2700);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_GAP_MIN)), ==, 2800);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN)), ==, 2900);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP)), ==, 3000);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN)), ==, 3100);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN)), ==, 3200);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN)), ==, 3300);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP)), ==, 3400);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP)), ==, 3500);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN)), ==, 3600);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN)), ==, 3700);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN)), ==, 3800);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN)), ==, 3900);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS)), ==, 4000);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN)), ==, 4100);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN)), ==, 4200);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP)), ==, 4300);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP)), ==, 4400);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP)), ==, 4500);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS)), ==, 4600);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER)), ==, 4700);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP)), ==, 4800);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS)), ==, 4900);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER)), ==, 5000);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP)), ==, 5100);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP)), ==, 5200);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS)), ==, 5300);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER)), ==, 5400);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE)), ==, 5500);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE)), ==, 5600);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 87);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 76);
-  g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT)), ==, 65);
-  closeFont();
-
-  cleanupFreeType();
-}
-
-static void
-test_get_math_italics_correction (void)
-{
-  hb_codepoint_t glyph;
-  initFreeType();
-
-  openFont("fonts/MathTestFontEmpty.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo not available
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial1.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo empty
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial2.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 0); // MathItalicsCorrectionInfo empty
-  closeFont();
-
-  openFont("fonts/MathTestFontFull.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 0); // Glyph without italic correction.
-  g_assert(hb_font_get_glyph_from_name (hb_font, "A", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 197);
-  g_assert(hb_font_get_glyph_from_name (hb_font, "B", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 150);
-  g_assert(hb_font_get_glyph_from_name (hb_font, "C", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italics_correction (hb_font, glyph), ==, 452);
-  closeFont();
-
-  cleanupFreeType();
-
-}
-
-static void
-test_get_math_top_accent_attachment (void)
-{
-  hb_codepoint_t glyph;
-  initFreeType();
-
-  openFont("fonts/MathTestFontEmpty.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 500); // MathGlyphInfo not available
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial1.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 500); // MathGlyphInfo empty
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial2.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 500); // MathTopAccentAttachment empty
-  closeFont();
-
-  openFont("fonts/MathTestFontFull.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 500); // Glyph without top accent attachment.
-  g_assert(hb_font_get_glyph_from_name (hb_font, "D", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 374);
-  g_assert(hb_font_get_glyph_from_name (hb_font, "E", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 346);
-  g_assert(hb_font_get_glyph_from_name (hb_font, "F", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_top_accent_attachment (hb_font, glyph), ==, 318);
-  closeFont();
-
-  cleanupFreeType();
-}
-
-static void
-test_is_math_extended_shape (void)
-{
-  hb_codepoint_t glyph;
-  initFreeType();
-
-  openFont("fonts/MathTestFontEmpty.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert(!hb_ot_layout_is_math_extended_shape (hb_face, glyph)); // MathGlyphInfo not available
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial1.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert(!hb_ot_layout_is_math_extended_shape (hb_face, glyph)); // MathGlyphInfo empty
-  closeFont();
-
-  openFont("fonts/MathTestFontFull.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "G", -1, &glyph));
-  g_assert(!hb_ot_layout_is_math_extended_shape (hb_face, glyph));
-  g_assert(hb_font_get_glyph_from_name (hb_font, "H", -1, &glyph));
-  g_assert(hb_ot_layout_is_math_extended_shape (hb_face, glyph));
-  closeFont();
-
-  cleanupFreeType();
-}
-
-static void
-test_get_math_kerning (void)
-{
-  hb_codepoint_t glyph;
-  initFreeType();
-
-  openFont("fonts/MathTestFontEmpty.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathGlyphInfo not available
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathGlyphInfo not available
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathGlyphInfo not available
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathGlyphInfo not available
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial2.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfo empty
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfo empty
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfo empty
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfo empty
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial3.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfoRecords empty
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfoRecords empty
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfoRecords empty
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfoRecords empty
-  closeFont();
-
-  openFont("fonts/MathTestFontFull.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "I", -1, &glyph));
-
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 7), ==, 31); // lower than min heigth
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 14), ==, 31); // equal to min height
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 20), ==, 52);
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 23), ==, 52);
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 31), ==, 73);
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 32), ==, 73);
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 86), ==, 199); // equal to max height
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 91), ==, 220); // larger than max height
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 96), ==, 220); // larger than max height
-
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 39), ==, 94); // top right
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 39), ==, 55); // top left
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 39), ==, 22); // bottom right
-  g_assert_cmpint(hb_ot_layout_get_math_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 39), ==, 50); // bottom left
-
-  closeFont();
-
-  cleanupFreeType();
-}
-
-
-#if 0
-static void
-test_get_math_italic_correction_for_glyph_assembly (void)
-{
-  hb_codepoint_t glyph;
-  initFreeType();
-
-  openFont("fonts/MathTestFontEmpty.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // MathVariants not available
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // MathVariants not available
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial1.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial2.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial3.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);  // HorizGlyphConstruction and VertGlyphConstruction empty
-  closeFont();
-
-  openFont("fonts/MathTestFontPartial4.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0);
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);
-  closeFont();
-
-  openFont("fonts/MathTestFontFull.otf");
-  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 124);
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);
-  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0);
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 331);
-  closeFont();
-
-  cleanupFreeType();
-}
-#endif
-
-int
-main (int argc, char **argv)
-{
-  hb_test_init (&argc, &argv);
-
-  hb_test_add (test_has_math_data);
-  hb_test_add (test_get_math_constant);
-  hb_test_add (test_get_math_italics_correction);
-  hb_test_add (test_get_math_top_accent_attachment);
-  hb_test_add (test_is_math_extended_shape);
-  hb_test_add (test_get_math_kerning);
-  //hb_test_add (test_get_math_italic_correction_for_glyph_assembly);
-
-  return hb_test_run();
-}
diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
new file mode 100644
index 000000000..23c19eff3
--- /dev/null
+++ b/test/api/test-ot-math.c
@@ -0,0 +1,381 @@
+/*
+ * Copyright © 2016  Igalia S.L.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Igalia Author(s): Frédéric Wang
+ */
+
+
+#include "hb-test.h"
+
+#include "hb-ft.h"
+#include "hb-ot.h"
+
+/* Unit tests for hb-ot-math.h - OpenType MATH table  */
+
+static FT_Library ft_library;
+static FT_Face ft_face;
+static hb_font_t *hb_font;
+static hb_face_t *hb_face;
+
+static inline void
+initFreeType (void)
+{
+  FT_Error ft_error;
+  if ((ft_error = FT_Init_FreeType (&ft_library)))
+    abort();
+}
+
+static inline void
+cleanupFreeType (void)
+{
+  FT_Done_FreeType (ft_library);
+}
+
+static void
+openFont(const char* fontFile)
+{
+  gchar* path = g_test_build_filename(G_TEST_DIST, fontFile, NULL);
+
+  FT_Error ft_error;
+  if ((ft_error = FT_New_Face (ft_library, path, 0, &ft_face))) {
+    g_free(path);
+    abort();
+  }
+  g_free(path);
+
+#define fontSize 1000
+  if ((ft_error = FT_Set_Char_Size (ft_face, fontSize, fontSize, 0, 0)))
+    abort();
+  hb_font = hb_ft_font_create (ft_face, NULL);
+  hb_face = hb_ft_face_create_cached(ft_face);
+}
+
+static inline void
+closeFont (void)
+{
+  hb_font_destroy (hb_font);
+  FT_Done_Face (ft_face);
+}
+
+static void
+test_has_data (void)
+{
+  initFreeType();
+
+  openFont("fonts/MathTestFontNone.otf");
+  g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available
+  closeFont();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_ot_math_has_data (hb_face)); // MATH table available
+  closeFont();
+
+  cleanupFreeType();
+}
+
+static void
+test_get_constant (void)
+{
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert_cmpint(hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT), ==, 0); // MathConstants not available
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT)), ==, 100);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT)), ==, 200);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_MATH_LEADING)), ==, 300);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_AXIS_HEIGHT)), ==, 400);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT)), ==, 500);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT)), ==, 600);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN)), ==, 700);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX)), ==, 800);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN)), ==, 900);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP)), ==, 1100);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED)), ==, 1200);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN)), ==, 1300);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX)), ==, 1400);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN)), ==, 1500);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT)), ==, 1600);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT)), ==, 1700);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN)), ==, 1800);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN)), ==, 1900);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN)), ==, 2200);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN)), ==, 2300);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP)), ==, 2400);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP)), ==, 2500);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN)), ==, 2600);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN)), ==, 2700);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_GAP_MIN)), ==, 2800);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN)), ==, 2900);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP)), ==, 3000);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN)), ==, 3100);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN)), ==, 3200);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN)), ==, 3300);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP)), ==, 3400);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP)), ==, 3500);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN)), ==, 3600);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN)), ==, 3700);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN)), ==, 3800);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN)), ==, 3900);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS)), ==, 4000);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN)), ==, 4100);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN)), ==, 4200);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP)), ==, 4300);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP)), ==, 4400);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP)), ==, 4500);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS)), ==, 4600);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER)), ==, 4700);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP)), ==, 4800);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS)), ==, 4900);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER)), ==, 5000);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP)), ==, 5100);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP)), ==, 5200);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS)), ==, 5300);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER)), ==, 5400);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE)), ==, 5500);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE)), ==, 5600);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 87);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 76);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT)), ==, 65);
+  closeFont();
+
+  cleanupFreeType();
+}
+
+static void
+test_get_glyph_italics_correction (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathItalicsCorrectionInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // Glyph without italic correction.
+  g_assert(hb_font_get_glyph_from_name (hb_font, "A", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 197);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "B", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 150);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "C", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 452);
+  closeFont();
+
+  cleanupFreeType();
+}
+
+static void
+test_get_glyph_top_accent_attachment (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 500); // MathGlyphInfo not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 500); // MathGlyphInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 500); // MathTopAccentAttachment empty
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 500); // Glyph without top accent attachment.
+  g_assert(hb_font_get_glyph_from_name (hb_font, "D", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 374);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "E", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 346);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "F", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 318);
+  closeFont();
+
+  cleanupFreeType();
+}
+
+static void
+test_is_glyph_extended_shape (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph)); // MathGlyphInfo not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph)); // MathGlyphInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "G", -1, &glyph));
+  g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph));
+  g_assert(hb_font_get_glyph_from_name (hb_font, "H", -1, &glyph));
+  g_assert(hb_ot_math_is_glyph_extended_shape (hb_face, glyph));
+  closeFont();
+
+  cleanupFreeType();
+}
+
+static void
+test_get_glyph_kerning (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathGlyphInfo not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfo empty
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfo empty
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfo empty
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfo empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial3.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfoRecords empty
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfoRecords empty
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfoRecords empty
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfoRecords empty
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "I", -1, &glyph));
+
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 7), ==, 31); // lower than min heigth
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 14), ==, 31); // equal to min height
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 20), ==, 52);
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 23), ==, 52);
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 31), ==, 73);
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 32), ==, 73);
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 86), ==, 199); // equal to max height
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 91), ==, 220); // larger than max height
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 96), ==, 220); // larger than max height
+
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 39), ==, 94); // top right
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 39), ==, 55); // top left
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 39), ==, 22); // bottom right
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 39), ==, 50); // bottom left
+
+  closeFont();
+
+  cleanupFreeType();
+}
+
+
+#if 0
+static void
+test_get_math_italic_correction_for_glyph_assembly (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // MathVariants not available
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // MathVariants not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial3.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);  // HorizGlyphConstruction and VertGlyphConstruction empty
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial4.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0);
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 124);
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0);
+  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 331);
+  closeFont();
+
+  cleanupFreeType();
+}
+#endif
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_has_data);
+  hb_test_add (test_get_constant);
+  hb_test_add (test_get_glyph_italics_correction);
+  hb_test_add (test_get_glyph_top_accent_attachment);
+  hb_test_add (test_is_glyph_extended_shape);
+  hb_test_add (test_get_glyph_kerning);
+  //hb_test_add (test_get_math_italic_correction_for_glyph_assembly);
+
+  return hb_test_run();
+}

From cdc9eef7da934ae71578694f29665e439686c3bd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Sep 2016 22:18:41 +0200
Subject: [PATCH 0065/1326] [MATH] Enable tests for glyph-assembly
 italics-correction

---
 test/api/test-ot-math.c | 49 +++++++++++++++++++++++++----------------
 1 file changed, 30 insertions(+), 19 deletions(-)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index 23c19eff3..4a7968129 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -314,55 +314,66 @@ test_get_glyph_kerning (void)
 }
 
 
-#if 0
-static void
-test_get_math_italic_correction_for_glyph_assembly (void)
+static hb_position_t
+get_glyph_assembly_italics_correction (hb_font_t *font,
+				       hb_codepoint_t glyph,
+				       hb_bool_t horizontal)
+{
+  hb_position_t corr;
+  unsigned int count = 0;
+  hb_ot_math_get_glyph_assembly (font, glyph,
+				 horizontal ? HB_DIRECTION_LTR : HB_DIRECTION_TTB,
+				 0, &count, NULL,
+				 &corr);
+  return corr;
+}
+
+test_get_glyph_assembly_italics_correction (void)
 {
   hb_codepoint_t glyph;
   initFreeType();
 
   openFont("fonts/MathTestFontEmpty.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // MathVariants not available
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // MathVariants not available
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // MathVariants not available
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // MathVariants not available
   closeFont();
 
   openFont("fonts/MathTestFontPartial1.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
   closeFont();
 
   openFont("fonts/MathTestFontPartial2.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
   closeFont();
 
   openFont("fonts/MathTestFontPartial3.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);  // HorizGlyphConstruction and VertGlyphConstruction empty
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0);  // HorizGlyphConstruction and VertGlyphConstruction empty
   closeFont();
 
   openFont("fonts/MathTestFontPartial4.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0);
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0);
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0);
   closeFont();
 
   openFont("fonts/MathTestFontFull.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 124);
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 0);
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 124);
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0);
   g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, TRUE), ==, 0);
-  g_assert_cmpint(hb_ot_layout_get_math_italic_correction_for_glyph_assembly (hb_font, glyph, FALSE), ==, 331);
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0);
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 331);
   closeFont();
 
   cleanupFreeType();
 }
-#endif
 
 int
 main (int argc, char **argv)
@@ -375,7 +386,7 @@ main (int argc, char **argv)
   hb_test_add (test_get_glyph_top_accent_attachment);
   hb_test_add (test_is_glyph_extended_shape);
   hb_test_add (test_get_glyph_kerning);
-  //hb_test_add (test_get_math_italic_correction_for_glyph_assembly);
+  hb_test_add (test_get_glyph_assembly_italics_correction);
 
   return hb_test_run();
 }

From bc19f7fe20e89823dba07a46c3d48c7406b781b6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 27 Sep 2016 10:58:08 +0200
Subject: [PATCH 0066/1326] [MATH] Add HB_OT_MATH_SCRIPT

---
 src/hb-ot-math.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
index ad8bf14e5..814e40424 100644
--- a/src/hb-ot-math.h
+++ b/src/hb-ot-math.h
@@ -42,6 +42,9 @@ HB_BEGIN_DECLS
 
 #define HB_OT_TAG_MATH HB_TAG('M','A','T','H')
 
+/* Use with hb_buffer_set_script() for math shaping. */
+#define HB_OT_MATH_SCRIPT HB_TAG('m','a','t','h')
+
 /* Types */
 
 typedef enum {

From edcfa789bf92c18f5badad31c0ad04a6a77d7226 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Tue, 27 Sep 2016 11:02:08 +0200
Subject: [PATCH 0067/1326] test-ot-math: Use different scales for vertical and
 horizontal directions and add test for hb_ot_math_get_min_connector_overlap.
 (#327)

---
 test/api/test-ot-math.c | 79 +++++++++++++++++++++++++----------------
 1 file changed, 48 insertions(+), 31 deletions(-)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index 4a7968129..4bffcc049 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -63,8 +63,7 @@ openFont(const char* fontFile)
   }
   g_free(path);
 
-#define fontSize 1000
-  if ((ft_error = FT_Set_Char_Size (ft_face, fontSize, fontSize, 0, 0)))
+  if ((ft_error = FT_Set_Char_Size (ft_face, 2000, 1000, 0, 0)))
     abort();
   hb_font = hb_ft_font_create (ft_face, NULL);
   hb_face = hb_ft_face_create_cached(ft_face);
@@ -118,7 +117,7 @@ test_get_constant (void)
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX)), ==, 1400);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN)), ==, 1500);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT)), ==, 1600);
-  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT)), ==, 1700);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT)), ==, 3400);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN)), ==, 1800);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN)), ==, 1900);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN)), ==, 2200);
@@ -142,7 +141,7 @@ test_get_constant (void)
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS)), ==, 4000);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN)), ==, 4100);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN)), ==, 4200);
-  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP)), ==, 4300);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP)), ==, 8600);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP)), ==, 4400);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP)), ==, 4500);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS)), ==, 4600);
@@ -154,8 +153,8 @@ test_get_constant (void)
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP)), ==, 5200);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS)), ==, 5300);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER)), ==, 5400);
-  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE)), ==, 5500);
-  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE)), ==, 5600);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE)), ==, 11000);
+  g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE)), ==, 11200);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 87);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 76);
   g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT)), ==, 65);
@@ -189,11 +188,11 @@ test_get_glyph_italics_correction (void)
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
   g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // Glyph without italic correction.
   g_assert(hb_font_get_glyph_from_name (hb_font, "A", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 197);
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 394);
   g_assert(hb_font_get_glyph_from_name (hb_font, "B", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 150);
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 300);
   g_assert(hb_font_get_glyph_from_name (hb_font, "C", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 452);
+  g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 904);
   closeFont();
 
   cleanupFreeType();
@@ -207,28 +206,28 @@ test_get_glyph_top_accent_attachment (void)
 
   openFont("fonts/MathTestFontEmpty.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 500); // MathGlyphInfo not available
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathGlyphInfo not available
   closeFont();
 
   openFont("fonts/MathTestFontPartial1.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 500); // MathGlyphInfo empty
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathGlyphInfo empty
   closeFont();
 
   openFont("fonts/MathTestFontPartial2.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 500); // MathTopAccentAttachment empty
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathTopAccentAttachment empty
   closeFont();
 
   openFont("fonts/MathTestFontFull.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 500); // Glyph without top accent attachment.
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // Glyph without top accent attachment.
   g_assert(hb_font_get_glyph_from_name (hb_font, "D", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 374);
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 748);
   g_assert(hb_font_get_glyph_from_name (hb_font, "E", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 346);
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 692);
   g_assert(hb_font_get_glyph_from_name (hb_font, "F", -1, &glyph));
-  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 318);
+  g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 636);
   closeFont();
 
   cleanupFreeType();
@@ -293,20 +292,20 @@ test_get_glyph_kerning (void)
   openFont("fonts/MathTestFontFull.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "I", -1, &glyph));
 
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 7), ==, 31); // lower than min heigth
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 14), ==, 31); // equal to min height
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 20), ==, 52);
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 23), ==, 52);
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 31), ==, 73);
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 32), ==, 73);
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 86), ==, 199); // equal to max height
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 91), ==, 220); // larger than max height
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 96), ==, 220); // larger than max height
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 7), ==, 62); // lower than min heigth
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 14), ==, 62); // equal to min height
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 20), ==, 104);
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 23), ==, 104);
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 31), ==, 146);
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 32), ==, 146);
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 86), ==, 398); // equal to max height
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 91), ==, 440); // larger than max height
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 96), ==, 440); // larger than max height
 
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 39), ==, 94); // top right
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 39), ==, 55); // top left
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 39), ==, 22); // bottom right
-  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 39), ==, 50); // bottom left
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 39), ==, 188); // top right
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 39), ==, 110); // top left
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 39), ==, 44); // bottom right
+  g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 39), ==, 100); // bottom left
 
   closeFont();
 
@@ -365,11 +364,28 @@ test_get_glyph_assembly_italics_correction (void)
 
   openFont("fonts/MathTestFontFull.otf");
   g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
-  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 124);
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 248);
   g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0);
   g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
   g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0);
-  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 331);
+  g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 662);
+  closeFont();
+
+  cleanupFreeType();
+}
+
+test_get_min_connector_overlap (void)
+{
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, FALSE), ==, 0); // MathVariants not available
+  g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, TRUE), ==, 0); // MathVariants not available
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_LTR), ==, 108);
+  g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_TTB), ==, 54);
   closeFont();
 
   cleanupFreeType();
@@ -387,6 +403,7 @@ main (int argc, char **argv)
   hb_test_add (test_is_glyph_extended_shape);
   hb_test_add (test_get_glyph_kerning);
   hb_test_add (test_get_glyph_assembly_italics_correction);
+  hb_test_add (test_get_min_connector_overlap);
 
   return hb_test_run();
 }

From a5629a2ed9c2e69f2b4ebb74d85fbe0b5ba2be67 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 27 Sep 2016 11:30:44 +0200
Subject: [PATCH 0068/1326] [MATH] Simplify test

---
 test/api/test-ot-math.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index 4bffcc049..668cc97ec 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -319,10 +319,9 @@ get_glyph_assembly_italics_correction (hb_font_t *font,
 				       hb_bool_t horizontal)
 {
   hb_position_t corr;
-  unsigned int count = 0;
   hb_ot_math_get_glyph_assembly (font, glyph,
 				 horizontal ? HB_DIRECTION_LTR : HB_DIRECTION_TTB,
-				 0, &count, NULL,
+				 0, NULL, NULL,
 				 &corr);
   return corr;
 }

From f16bf6c2dacf5b9c82b2d1ffacc092cc396189a7 Mon Sep 17 00:00:00 2001
From: Phil Krylov <phil.krylov@gmail.com>
Date: Tue, 27 Sep 2016 12:38:49 +0200
Subject: [PATCH 0069/1326] Allow building with graphite2 without pkg-config
 (#318)

---
 configure.ac | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/configure.ac b/configure.ac
index ea6fc27cb..318c1efe4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -307,6 +307,16 @@ GRAPHITE2_DEPS="graphite2"
 AC_SUBST(GRAPHITE2_DEPS)
 if test "x$with_graphite2" = "xyes" -o "x$with_graphite2" = "xauto"; then
 	PKG_CHECK_MODULES(GRAPHITE2, $GRAPHITE2_DEPS, have_graphite2=true, :)
+	if test "x$have_graphite2" != "xtrue"; then
+                # If pkg-config is not available, graphite2 can still be there
+		ac_save_CFLAGS="$CFLAGS"
+		ac_save_CPPFLAGS="$CPPFLAGS"
+		CFLAGS="$CFLAGS $GRAPHITE2_CFLAGS"
+		CPPFLAGS="$CPPFLAGS $GRAPHITE2_CFLAGS"
+		AC_CHECK_HEADER(graphite2/Segment.h, have_graphite2=true, :)
+		CPPFLAGS="$ac_save_CPPFLAGS"
+		CFLAGS="$ac_save_CFLAGS"
+	fi
 fi
 if test "x$with_graphite2" = "xyes" -a "x$have_graphite2" != "xtrue"; then
 	AC_MSG_ERROR([graphite2 support requested but libgraphite2 not found])

From 485e4873fb7cacfa9d853272c2275bbc5826023e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Tue, 27 Sep 2016 13:18:00 +0200
Subject: [PATCH 0070/1326] Add tests for hb_ot_math_get_glyph_variants (#328)

---
 test/api/test-ot-math.c | 126 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index 668cc97ec..99993e063 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -326,6 +326,7 @@ get_glyph_assembly_italics_correction (hb_font_t *font,
   return corr;
 }
 
+static void
 test_get_glyph_assembly_italics_correction (void)
 {
   hb_codepoint_t glyph;
@@ -373,6 +374,7 @@ test_get_glyph_assembly_italics_correction (void)
   cleanupFreeType();
 }
 
+static void
 test_get_min_connector_overlap (void)
 {
   initFreeType();
@@ -390,6 +392,129 @@ test_get_min_connector_overlap (void)
   cleanupFreeType();
 }
 
+static void
+test_get_glyph_variants (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial3.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial4.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font,
+                                                 glyph,
+                                                 HB_DIRECTION_BTT,
+                                                 0,
+                                                 NULL,
+                                                 NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font,
+                                                 glyph,
+                                                 HB_DIRECTION_RTL,
+                                                 0,
+                                                 NULL,
+                                                 NULL), ==, 3);
+
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font,
+                                                 glyph,
+                                                 HB_DIRECTION_BTT,
+                                                 0,
+                                                 NULL,
+                                                 NULL), ==, 4);
+  g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font,
+                                                 glyph,
+                                                 HB_DIRECTION_RTL,
+                                                 0,
+                                                 NULL,
+                                                 NULL), ==, 0);
+
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
+  hb_math_glyph_variant_t variants[20];
+  unsigned variantsSize = sizeof (variants) / sizeof (variants[0]);
+  unsigned int count;
+  unsigned int offset = 0;
+  do {
+    count = variantsSize;
+    hb_ot_math_get_glyph_variants (hb_font,
+                                   glyph,
+                                   HB_DIRECTION_RTL,
+                                   offset,
+                                   &count,
+                                   variants);
+    offset += count;
+  } while (count == variantsSize);
+  g_assert_cmpint(offset, ==, 3);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size2", -1, &glyph));
+  g_assert_cmpint(variants[0].glyph, ==, glyph);
+  g_assert_cmpint(variants[0].advance, ==, 4302);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size3", -1, &glyph));
+  g_assert_cmpint(variants[1].glyph, ==, glyph);
+  g_assert_cmpint(variants[1].advance, ==, 4802);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size4", -1, &glyph));
+  g_assert_cmpint(variants[2].glyph, ==, glyph);
+  g_assert_cmpint(variants[2].advance, ==, 5802);
+
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
+  offset = 0;
+  do {
+    count = variantsSize;
+    hb_ot_math_get_glyph_variants (hb_font,
+                                   glyph,
+                                   HB_DIRECTION_BTT,
+                                   offset,
+                                   &count,
+                                   variants);
+    offset += count;
+  } while (count == variantsSize);
+  g_assert_cmpint(offset, ==, 4);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size2", -1, &glyph));
+  g_assert_cmpint(variants[0].glyph, ==, glyph);
+  g_assert_cmpint(variants[0].advance, ==, 2251);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size3", -1, &glyph));
+  g_assert_cmpint(variants[1].glyph, ==, glyph);
+  g_assert_cmpint(variants[1].advance, ==, 2501);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size4", -1, &glyph));
+  g_assert_cmpint(variants[2].glyph, ==, glyph);
+  g_assert_cmpint(variants[2].advance, ==, 3001);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size5", -1, &glyph));
+  g_assert_cmpint(variants[3].glyph, ==, glyph);
+  g_assert_cmpint(variants[3].advance, ==, 3751);
+
+  closeFont();
+
+  cleanupFreeType();
+}
+
 int
 main (int argc, char **argv)
 {
@@ -403,6 +528,7 @@ main (int argc, char **argv)
   hb_test_add (test_get_glyph_kerning);
   hb_test_add (test_get_glyph_assembly_italics_correction);
   hb_test_add (test_get_min_connector_overlap);
+  hb_test_add (test_get_glyph_variants);
 
   return hb_test_run();
 }

From f73a87d9a8c76a181794b74b527ea268048f78e3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 27 Sep 2016 13:50:54 +0200
Subject: [PATCH 0071/1326] 1.3.2

---
 NEWS         | 7 +++++++
 configure.ac | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 52686870c..ae0926e63 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+Overview of changes leading to 1.3.2
+Wednesday, September 27, 2016
+====================================
+
+- Fix build of hb-coretext on older OS X versions.
+
+
 Overview of changes leading to 1.3.1
 Wednesday, September 7, 2016
 ====================================
diff --git a/configure.ac b/configure.ac
index 318c1efe4..57e9e6db6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.3.1],
+        [1.3.2],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 8d622f1114d6a0eca1786b94c7fc1a0bcd87f74b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Tue, 27 Sep 2016 13:53:34 +0200
Subject: [PATCH 0072/1326] Add tests for get_mathvariant (#329)

---
 test/api/test-ot-math.c | 160 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index 99993e063..4d6f67bcd 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -515,6 +515,165 @@ test_get_glyph_variants (void)
   cleanupFreeType();
 }
 
+static void
+test_get_glyph_assembly (void)
+{
+  hb_codepoint_t glyph;
+  initFreeType();
+
+  openFont("fonts/MathTestFontEmpty.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial1.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial2.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial3.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontPartial4.otf");
+  g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
+  closeFont();
+
+  openFont("fonts/MathTestFontFull.otf");
+
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowright", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font,
+                                                 glyph,
+                                                 HB_DIRECTION_BTT,
+                                                 0,
+                                                 NULL,
+                                                 NULL,
+                                                 NULL), ==, 0);
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font,
+                                                 glyph,
+                                                 HB_DIRECTION_RTL,
+                                                 0,
+                                                 NULL,
+                                                 NULL,
+                                                 NULL), ==, 3);
+
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowdown", -1, &glyph));
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font,
+                                                 glyph,
+                                                 HB_DIRECTION_BTT,
+                                                 0,
+                                                 NULL,
+                                                 NULL,
+                                                 NULL), ==, 5);
+  g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font,
+                                                 glyph,
+                                                 HB_DIRECTION_RTL,
+                                                 0,
+                                                 NULL,
+                                                 NULL,
+                                                 NULL), ==, 0);
+
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowright", -1, &glyph));
+  hb_math_glyph_part_t parts[20];
+  unsigned partsSize = sizeof (parts) / sizeof (parts[0]);
+  unsigned int count;
+  unsigned int offset = 0;
+  do {
+    count = partsSize;
+    hb_ot_math_get_glyph_assembly (hb_font,
+                                   glyph,
+                                   HB_DIRECTION_RTL,
+                                   offset,
+                                   &count,
+                                   parts,
+                                   NULL);
+    offset += count;
+  } while (count == partsSize);
+  g_assert_cmpint(offset, ==, 3);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "left", -1, &glyph));
+  g_assert_cmpint(parts[0].glyph, ==, glyph);
+  g_assert_cmpint(parts[0].start_connector_length, ==, 800);
+  g_assert_cmpint(parts[0].end_connector_length, ==, 384);
+  g_assert_cmpint(parts[0].full_advance, ==, 2000);
+  g_assert(!(parts[0].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER));
+  g_assert(hb_font_get_glyph_from_name (hb_font, "horizontal", -1, &glyph));
+  g_assert_cmpint(parts[1].glyph, ==, glyph);
+  g_assert_cmpint(parts[1].start_connector_length, ==, 524);
+  g_assert_cmpint(parts[1].end_connector_length, ==, 800);
+  g_assert_cmpint(parts[1].full_advance, ==, 2000);
+  g_assert(parts[1].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "right", -1, &glyph));
+  g_assert_cmpint(parts[2].glyph, ==, glyph);
+  g_assert_cmpint(parts[2].start_connector_length, ==, 316);
+  g_assert_cmpint(parts[2].end_connector_length, ==, 454);
+  g_assert_cmpint(parts[2].full_advance, ==, 2000);
+  g_assert(!(parts[2].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER));
+
+  g_assert(hb_font_get_glyph_from_name (hb_font, "arrowdown", -1, &glyph));
+  offset = 0;
+  do {
+    count = partsSize;
+    hb_ot_math_get_glyph_assembly (hb_font,
+                                   glyph,
+                                   HB_DIRECTION_BTT,
+                                   offset,
+                                   &count,
+                                   parts,
+                                   NULL);
+    offset += count;
+  } while (count == partsSize);
+  g_assert_cmpint(offset, ==, 5);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "bottom", -1, &glyph));
+  g_assert_cmpint(parts[0].glyph, ==, glyph);
+  g_assert_cmpint(parts[0].start_connector_length, ==, 365);
+  g_assert_cmpint(parts[0].end_connector_length, ==, 158);
+  g_assert_cmpint(parts[0].full_advance, ==, 1000);
+  g_assert(!(parts[0].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER));
+  g_assert(hb_font_get_glyph_from_name (hb_font, "vertical", -1, &glyph));
+  g_assert_cmpint(parts[1].glyph, ==, glyph);
+  g_assert_cmpint(parts[1].glyph, ==, glyph);
+  g_assert_cmpint(parts[1].start_connector_length, ==, 227);
+  g_assert_cmpint(parts[1].end_connector_length, ==, 365);
+  g_assert_cmpint(parts[1].full_advance, ==, 1000);
+  g_assert(parts[1].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "center", -1, &glyph));
+  g_assert_cmpint(parts[2].glyph, ==, glyph);
+  g_assert_cmpint(parts[2].start_connector_length, ==, 54);
+  g_assert_cmpint(parts[2].end_connector_length, ==, 158);
+  g_assert_cmpint(parts[2].full_advance, ==, 1000);
+  g_assert(!(parts[2].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER));
+  g_assert(hb_font_get_glyph_from_name (hb_font, "vertical", -1, &glyph));
+  g_assert_cmpint(parts[3].glyph, ==, glyph);
+  g_assert_cmpint(parts[3].glyph, ==, glyph);
+  g_assert_cmpint(parts[3].glyph, ==, glyph);
+  g_assert_cmpint(parts[3].start_connector_length, ==, 400);
+  g_assert_cmpint(parts[3].end_connector_length, ==, 296);
+  g_assert_cmpint(parts[3].full_advance, ==, 1000);
+  g_assert(parts[1].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER);
+  g_assert(hb_font_get_glyph_from_name (hb_font, "top", -1, &glyph));
+  g_assert_cmpint(parts[4].glyph, ==, glyph);
+  g_assert_cmpint(parts[4].start_connector_length, ==, 123);
+  g_assert_cmpint(parts[4].end_connector_length, ==, 192);
+  g_assert_cmpint(parts[4].full_advance, ==, 1000);
+  g_assert(!(parts[4].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER));
+
+  closeFont();
+
+  cleanupFreeType();
+}
+
 int
 main (int argc, char **argv)
 {
@@ -529,6 +688,7 @@ main (int argc, char **argv)
   hb_test_add (test_get_glyph_assembly_italics_correction);
   hb_test_add (test_get_min_connector_overlap);
   hb_test_add (test_get_glyph_variants);
+  hb_test_add (test_get_glyph_assembly);
 
   return hb_test_run();
 }

From 0762b35474c47171e5661904e93851eb73a44e5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Tue, 27 Sep 2016 15:28:35 +0200
Subject: [PATCH 0073/1326] Document API for MathVariants (#330)

---
 src/hb-ot-layout.cc | 56 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 588f5ab00..210af505d 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1352,6 +1352,26 @@ hb_ot_math_get_glyph_kerning (hb_font_t *font,
   return math.get_math_glyph_info().get_kerning (glyph, kern, correction_height, font);
 }
 
+/**
+ * hb_ot_math_get_glyph_variants:
+ *
+ * @font: #hb_font_t from which to retrieve the values
+ * @glyph: index of the glyph to stretch
+ * @direction: direction of the stretching
+ * @start_offset: offset of the first variant to retrieve
+ * @variants_count: maximum number of variants to retrieve after start_offset
+ * (IN) and actual number of variants retrieved (OUT)
+ * @variants: array of size at least @variants_count to store the result
+ *
+ * This function tries to retrieve the MathGlyphConstruction for the specified
+ * font, glyph and direction. Note that only the value of
+ * #HB_DIRECTION_IS_HORIZONTAL is considered. It provides the corresponding list
+ * of size variants as an array of hb_math_glyph_variant_t structs.
+ *
+ * Return value: the total number of size variants available or 0
+ *
+ * Since: 1.4
+ **/
 unsigned int
 hb_ot_math_get_glyph_variants (hb_font_t *font,
 			       hb_codepoint_t glyph,
@@ -1367,6 +1387,21 @@ hb_ot_math_get_glyph_variants (hb_font_t *font,
 						      variants);
 }
 
+/**
+ * hb_ot_math_get_min_connector_overlap:
+ *
+ * @font: #hb_font_t from which to retrieve the value
+ * @direction: direction of the stretching
+ *
+ * This function tries to retrieve the MathVariants table for the specified
+ * font and returns the minimum overlap of connecting glyphs to draw a glyph
+ * assembly in the specified direction. Note that only the value of
+ * #HB_DIRECTION_IS_HORIZONTAL is considered.
+ *
+ * Return value: requested min connector overlap or 0
+ *
+ * Since: 1.4
+ **/
 hb_position_t
 hb_ot_math_get_min_connector_overlap (hb_font_t *font,
 				      hb_direction_t direction)
@@ -1375,6 +1410,27 @@ hb_ot_math_get_min_connector_overlap (hb_font_t *font,
   return math.get_math_variants().get_min_connector_overlap (direction, font);
 }
 
+/**
+ * hb_ot_math_get_glyph_assembly:
+ *
+ * @font: #hb_font_t from which to retrieve the values
+ * @glyph: index of the glyph to stretch
+ * @direction: direction of the stretching
+ * @start_offset: offset of the first glyph part to retrieve
+ * @parts_count: maximum number of glyph parts to retrieve after start_offset
+ * (IN) and actual number of parts retrieved (OUT)
+ * @parts: array of size at least @parts_count to store the result
+ * @italics_correction: italic correction of the glyph assembly
+ *
+ * This function tries to retrieve the GlyphAssembly for the specified font,
+ * glyph and direction. Note that only the value of #HB_DIRECTION_IS_HORIZONTAL
+ * is considered. It provides the information necessary to draw the glyph
+ * assembly as an array of #hb_math_glyph_part_t.
+ *
+ * Return value: the total number of parts in the glyph assembly
+ *
+ * Since: 1.4
+ **/
 unsigned int
 hb_ot_math_get_glyph_assembly (hb_font_t *font,
 			       hb_codepoint_t glyph,

From db5ebcf10f8595d1f4a9df27befd6cb5e76ca94d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 27 Sep 2016 16:42:25 +0200
Subject: [PATCH 0074/1326] Update docs

---
 docs/harfbuzz-docs.xml     |  9 +++++++++
 docs/harfbuzz-sections.txt | 30 ++++++++++++++++++++++++++++--
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index 2c43c4687..ea99732ca 100644
--- a/docs/harfbuzz-docs.xml
+++ b/docs/harfbuzz-docs.xml
@@ -80,6 +80,7 @@
         <xi:include href="xml/hb-ot-tag.xml"/>
         <xi:include href="xml/hb-ot-font.xml"/>
         <xi:include href="xml/hb-ot-shape.xml"/>
+        <xi:include href="xml/hb-ot-math.xml"/>
 
         <xi:include href="xml/hb-shape-plan.xml"/>
 
@@ -175,6 +176,14 @@
         <title>Index of new symbols in 1.1.3</title>
         <xi:include href="xml/api-index-1.1.3.xml"><xi:fallback /></xi:include>
       </index>
+      <index id="api-index-1-2-3" role="1.2.3">
+        <title>Index of new symbols in 1.2.3</title>
+        <xi:include href="xml/api-index-1.2.3.xml"><xi:fallback /></xi:include>
+      </index>
+      <index id="api-index-1-4-0" role="1.4.0">
+        <title>Index of new symbols in 1.4.0</title>
+        <xi:include href="xml/api-index-1.4.0.xml"><xi:fallback /></xi:include>
+      </index>
       <index id="deprecated-api-index" role="deprecated">
         <title>Index of deprecated API</title>
         <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>
diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index e0dc23d9c..d94cf703e 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -144,6 +144,8 @@ uint8_t
 HB_BUFFER_FLAGS_DEFAULT
 HB_BUFFER_SERIALIZE_FLAGS_DEFAULT
 HB_SCRIPT_CANADIAN_ABORIGINAL
+hb_font_funcs_set_glyph_func
+hb_font_get_glyph_func_t
 </SECTION>
 
 <SECTION>
@@ -193,7 +195,6 @@ hb_font_funcs_reference
 hb_font_funcs_set_glyph_contour_point_func
 hb_font_funcs_set_glyph_extents_func
 hb_font_funcs_set_glyph_from_name_func
-hb_font_funcs_set_glyph_func
 hb_font_funcs_set_glyph_h_advance_func
 hb_font_funcs_set_glyph_h_kerning_func
 hb_font_funcs_set_glyph_h_origin_func
@@ -201,7 +202,9 @@ hb_font_funcs_set_glyph_name_func
 hb_font_funcs_set_glyph_v_advance_func
 hb_font_funcs_set_glyph_v_kerning_func
 hb_font_funcs_set_glyph_v_origin_func
+hb_font_funcs_set_nominal_glyph_func
 hb_font_funcs_set_user_data
+hb_font_funcs_set_variation_glyph_func
 hb_font_funcs_t
 hb_font_get_empty
 hb_font_get_face
@@ -216,7 +219,6 @@ hb_font_get_glyph_extents_for_origin
 hb_font_get_glyph_extents_func_t
 hb_font_get_glyph_from_name
 hb_font_get_glyph_from_name_func_t
-hb_font_get_glyph_func_t
 hb_font_get_glyph_h_advance
 hb_font_get_glyph_h_advance_func_t
 hb_font_get_glyph_h_kerning
@@ -235,10 +237,14 @@ hb_font_get_glyph_v_kerning
 hb_font_get_glyph_v_kerning_func_t
 hb_font_get_glyph_v_origin
 hb_font_get_glyph_v_origin_func_t
+hb_font_get_nominal_glyph
+hb_font_get_nominal_glyph_func_t
 hb_font_get_parent
 hb_font_get_ppem
 hb_font_get_scale
 hb_font_get_user_data
+hb_font_get_variation_glyph
+hb_font_get_variation_glyph_func_t
 hb_font_glyph_from_string
 hb_font_glyph_to_string
 hb_font_is_immutable
@@ -416,6 +422,26 @@ Xhb_ot_layout_lookup_position
 Xhb_ot_layout_lookup_substitute
 </SECTION>
 
+<SECTION>
+<FILE>hb-ot-math</FILE>
+HB_OT_TAG_MATH
+HB_OT_MATH_SCRIPT
+hb_math_glyph_part_flags_t
+hb_math_glyph_part_t
+hb_math_glyph_variant_t
+hb_ot_math_constant_t
+hb_ot_math_get_constant
+hb_ot_math_get_glyph_assembly
+hb_ot_math_get_glyph_italics_correction
+hb_ot_math_get_glyph_kerning
+hb_ot_math_get_glyph_top_accent_attachment
+hb_ot_math_get_glyph_variants
+hb_ot_math_get_min_connector_overlap
+hb_ot_math_has_data
+hb_ot_math_is_glyph_extended_shape
+hb_ot_math_kern_t
+</SECTION>
+
 <SECTION>
 <FILE>hb-ot-tag</FILE>
 HB_OT_TAG_DEFAULT_LANGUAGE

From 46cc4a3a2a529c80677babe38ca1542f9c773ac0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 27 Sep 2016 16:44:22 +0200
Subject: [PATCH 0075/1326] [MATH] Rename hb_math_*_t types to hb_ot_math_*_t

With this, I believe MATH table API is not ready to be merged.
---
 docs/harfbuzz-sections.txt     |  6 +++---
 src/hb-ot-layout-math-table.hh | 12 ++++++------
 src/hb-ot-layout.cc            |  8 ++++----
 src/hb-ot-math.h               | 16 ++++++++--------
 test/api/test-ot-math.c        |  4 ++--
 5 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index d94cf703e..75d749293 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -426,10 +426,10 @@ Xhb_ot_layout_lookup_substitute
 <FILE>hb-ot-math</FILE>
 HB_OT_TAG_MATH
 HB_OT_MATH_SCRIPT
-hb_math_glyph_part_flags_t
-hb_math_glyph_part_t
-hb_math_glyph_variant_t
 hb_ot_math_constant_t
+hb_ot_math_glyph_part_flags_t
+hb_ot_math_glyph_part_t
+hb_ot_math_glyph_variant_t
 hb_ot_math_get_constant
 hb_ot_math_get_glyph_assembly
 hb_ot_math_get_glyph_italics_correction
diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index efffd2b53..b52b1215d 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -453,7 +453,7 @@ struct MathGlyphPartRecord
     return_trace (c->check_struct (this));
   }
 
-  inline void extract (hb_math_glyph_part_t &out,
+  inline void extract (hb_ot_math_glyph_part_t &out,
 		       int scale,
 		       hb_font_t *font) const
   {
@@ -466,7 +466,7 @@ struct MathGlyphPartRecord
     ASSERT_STATIC ((unsigned int) HB_MATH_GLYPH_PART_FLAG_EXTENDER ==
 		   (unsigned int) PartFlags::Extender);
 
-    out.flags = (hb_math_glyph_part_flags_t)
+    out.flags = (hb_ot_math_glyph_part_flags_t)
 		(unsigned int)
 		(partFlags & PartFlags::Defined);
   }
@@ -504,7 +504,7 @@ struct MathGlyphAssembly
 				 hb_font_t *font,
 				 unsigned int start_offset,
 				 unsigned int *parts_count, /* IN/OUT */
-				 hb_math_glyph_part_t *parts /* OUT */,
+				 hb_ot_math_glyph_part_t *parts /* OUT */,
 				 hb_position_t *italics_correction /* OUT */) const
   {
     if (parts_count)
@@ -552,7 +552,7 @@ struct MathGlyphConstruction
 				    hb_font_t *font,
 				    unsigned int start_offset,
 				    unsigned int *variants_count, /* IN/OUT */
-				    hb_math_glyph_variant_t *variants /* OUT */) const
+				    hb_ot_math_glyph_variant_t *variants /* OUT */) const
   {
     if (variants_count)
     {
@@ -613,7 +613,7 @@ struct MathVariants
 					  hb_font_t *font,
 					  unsigned int start_offset,
 					  unsigned int *variants_count, /* IN/OUT */
-					  hb_math_glyph_variant_t *variants /* OUT */) const
+					  hb_ot_math_glyph_variant_t *variants /* OUT */) const
   { return get_glyph_construction (glyph, direction, font)
 	   .get_variants (direction, font, start_offset, variants_count, variants); }
 
@@ -622,7 +622,7 @@ struct MathVariants
 				       hb_font_t *font,
 				       unsigned int start_offset,
 				       unsigned int *parts_count, /* IN/OUT */
-				       hb_math_glyph_part_t *parts /* OUT */,
+				       hb_ot_math_glyph_part_t *parts /* OUT */,
 				       hb_position_t *italics_correction /* OUT */) const
   { return get_glyph_construction (glyph, direction, font)
 	   .get_assembly ()
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 210af505d..49c75b0be 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1366,7 +1366,7 @@ hb_ot_math_get_glyph_kerning (hb_font_t *font,
  * This function tries to retrieve the MathGlyphConstruction for the specified
  * font, glyph and direction. Note that only the value of
  * #HB_DIRECTION_IS_HORIZONTAL is considered. It provides the corresponding list
- * of size variants as an array of hb_math_glyph_variant_t structs.
+ * of size variants as an array of hb_ot_math_glyph_variant_t structs.
  *
  * Return value: the total number of size variants available or 0
  *
@@ -1378,7 +1378,7 @@ hb_ot_math_get_glyph_variants (hb_font_t *font,
 			       hb_direction_t direction,
 			       unsigned int start_offset,
 			       unsigned int *variants_count, /* IN/OUT */
-			       hb_math_glyph_variant_t *variants /* OUT */)
+			       hb_ot_math_glyph_variant_t *variants /* OUT */)
 {
   const OT::MATH &math = _get_math (font->face);
   return math.get_math_variants().get_glyph_variants (glyph, direction, font,
@@ -1425,7 +1425,7 @@ hb_ot_math_get_min_connector_overlap (hb_font_t *font,
  * This function tries to retrieve the GlyphAssembly for the specified font,
  * glyph and direction. Note that only the value of #HB_DIRECTION_IS_HORIZONTAL
  * is considered. It provides the information necessary to draw the glyph
- * assembly as an array of #hb_math_glyph_part_t.
+ * assembly as an array of #hb_ot_math_glyph_part_t.
  *
  * Return value: the total number of parts in the glyph assembly
  *
@@ -1437,7 +1437,7 @@ hb_ot_math_get_glyph_assembly (hb_font_t *font,
 			       hb_direction_t direction,
 			       unsigned int start_offset,
 			       unsigned int *parts_count, /* IN/OUT */
-			       hb_math_glyph_part_t *parts, /* OUT */
+			       hb_ot_math_glyph_part_t *parts, /* OUT */
 			       hb_position_t *italics_correction /* OUT */)
 {
   const OT::MATH &math = _get_math (font->face);
diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
index 814e40424..e186fa989 100644
--- a/src/hb-ot-math.h
+++ b/src/hb-ot-math.h
@@ -113,22 +113,22 @@ typedef enum {
   HB_OT_MATH_KERN_BOTTOM_LEFT = 3
 } hb_ot_math_kern_t;
 
-typedef struct hb_math_glyph_variant_t {
+typedef struct hb_ot_math_glyph_variant_t {
   hb_codepoint_t glyph;
   hb_position_t advance;
-} hb_math_glyph_variant_t;
+} hb_ot_math_glyph_variant_t;
 
 typedef enum { /*< flags >*/
   HB_MATH_GLYPH_PART_FLAG_EXTENDER	= 0x00000001u  /* Extender glyph */
-} hb_math_glyph_part_flags_t;
+} hb_ot_math_glyph_part_flags_t;
 
-typedef struct hb_math_glyph_part_t {
+typedef struct hb_ot_math_glyph_part_t {
   hb_codepoint_t glyph;
   hb_position_t start_connector_length;
   hb_position_t end_connector_length;
   hb_position_t full_advance;
-  hb_math_glyph_part_flags_t flags;
-} hb_math_glyph_part_t;
+  hb_ot_math_glyph_part_flags_t flags;
+} hb_ot_math_glyph_part_t;
 
 /* Methods */
 
@@ -163,7 +163,7 @@ hb_ot_math_get_glyph_variants (hb_font_t *font,
 			       hb_direction_t direction,
 			       unsigned int start_offset,
 			       unsigned int *variants_count, /* IN/OUT */
-			       hb_math_glyph_variant_t *variants /* OUT */);
+			       hb_ot_math_glyph_variant_t *variants /* OUT */);
 
 HB_EXTERN hb_position_t
 hb_ot_math_get_min_connector_overlap (hb_font_t *font,
@@ -175,7 +175,7 @@ hb_ot_math_get_glyph_assembly (hb_font_t *font,
 			       hb_direction_t direction,
 			       unsigned int start_offset,
 			       unsigned int *parts_count, /* IN/OUT */
-			       hb_math_glyph_part_t *parts, /* OUT */
+			       hb_ot_math_glyph_part_t *parts, /* OUT */
 			       hb_position_t *italics_correction /* OUT */);
 
 
diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index 4d6f67bcd..5f4ccb7fc 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -459,7 +459,7 @@ test_get_glyph_variants (void)
                                                  NULL), ==, 0);
 
   g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
-  hb_math_glyph_variant_t variants[20];
+  hb_ot_math_glyph_variant_t variants[20];
   unsigned variantsSize = sizeof (variants) / sizeof (variants[0]);
   unsigned int count;
   unsigned int offset = 0;
@@ -586,7 +586,7 @@ test_get_glyph_assembly (void)
                                                  NULL), ==, 0);
 
   g_assert(hb_font_get_glyph_from_name (hb_font, "arrowright", -1, &glyph));
-  hb_math_glyph_part_t parts[20];
+  hb_ot_math_glyph_part_t parts[20];
   unsigned partsSize = sizeof (parts) / sizeof (parts[0]);
   unsigned int count;
   unsigned int offset = 0;

From c3e21a6620c35500afa350d11620f69802920df3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 27 Sep 2016 16:51:38 +0200
Subject: [PATCH 0076/1326] [MATH] Fix more docs

---
 src/hb-ot-layout.cc | 18 +++++++++---------
 src/hb-ot-math.h    | 25 +++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 9 deletions(-)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 49c75b0be..6c8a9c498 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1238,7 +1238,7 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
  *
  * Return value: #TRUE if face has a MATH table and #FALSE otherwise
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 hb_bool_t
 hb_ot_math_has_data (hb_face_t *face)
@@ -1260,7 +1260,7 @@ hb_ot_math_has_data (hb_face_t *face)
  *
  * Return value: the requested constant or 0
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 hb_position_t
 hb_ot_math_get_constant (hb_font_t *font,
@@ -1278,7 +1278,7 @@ hb_ot_math_get_constant (hb_font_t *font,
  *
  * Return value: the italics correction of the glyph or 0
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 hb_position_t
 hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
@@ -1296,7 +1296,7 @@ hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
  *
  * Return value: the top accent attachment of the glyph or 0
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 hb_position_t
 hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
@@ -1314,7 +1314,7 @@ hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
  *
  * Return value: #TRUE if the glyph is an extended shape and #FALSE otherwise
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 hb_bool_t
 hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
@@ -1340,7 +1340,7 @@ hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
  *
  * Return value: requested kerning or 0
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 hb_position_t
 hb_ot_math_get_glyph_kerning (hb_font_t *font,
@@ -1370,7 +1370,7 @@ hb_ot_math_get_glyph_kerning (hb_font_t *font,
  *
  * Return value: the total number of size variants available or 0
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 unsigned int
 hb_ot_math_get_glyph_variants (hb_font_t *font,
@@ -1400,7 +1400,7 @@ hb_ot_math_get_glyph_variants (hb_font_t *font,
  *
  * Return value: requested min connector overlap or 0
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 hb_position_t
 hb_ot_math_get_min_connector_overlap (hb_font_t *font,
@@ -1429,7 +1429,7 @@ hb_ot_math_get_min_connector_overlap (hb_font_t *font,
  *
  * Return value: the total number of parts in the glyph assembly
  *
- * Since: 1.4
+ * Since: 1.4.0
  **/
 unsigned int
 hb_ot_math_get_glyph_assembly (hb_font_t *font,
diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
index e186fa989..0fc251b55 100644
--- a/src/hb-ot-math.h
+++ b/src/hb-ot-math.h
@@ -47,6 +47,11 @@ HB_BEGIN_DECLS
 
 /* Types */
 
+/**
+ * hb_ot_math_constant_t:
+ *
+ * Since: 1.4.0
+ */
 typedef enum {
   HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN = 0,
   HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN = 1,
@@ -106,6 +111,11 @@ typedef enum {
   HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT = 55
 } hb_ot_math_constant_t;
 
+/**
+ * hb_ot_math_kern_t:
+ *
+ * Since: 1.4.0
+ */
 typedef enum {
   HB_OT_MATH_KERN_TOP_RIGHT = 0,
   HB_OT_MATH_KERN_TOP_LEFT = 1,
@@ -113,15 +123,30 @@ typedef enum {
   HB_OT_MATH_KERN_BOTTOM_LEFT = 3
 } hb_ot_math_kern_t;
 
+/**
+ * hb_ot_math_glyph_variant_t:
+ *
+ * Since: 1.4.0
+ */
 typedef struct hb_ot_math_glyph_variant_t {
   hb_codepoint_t glyph;
   hb_position_t advance;
 } hb_ot_math_glyph_variant_t;
 
+/**
+ * hb_ot_math_glyph_part_flags_t:
+ *
+ * Since: 1.4.0
+ */
 typedef enum { /*< flags >*/
   HB_MATH_GLYPH_PART_FLAG_EXTENDER	= 0x00000001u  /* Extender glyph */
 } hb_ot_math_glyph_part_flags_t;
 
+/**
+ * hb_ot_math_glyph_part_t:
+ *
+ * Since: 1.4.0
+ */
 typedef struct hb_ot_math_glyph_part_t {
   hb_codepoint_t glyph;
   hb_position_t start_connector_length;

From fd7a245d3525905ffbce57472b52900fcb0e330b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 27 Sep 2016 17:56:35 +0200
Subject: [PATCH 0077/1326] Require glib >= 2.38.0 for G_TEST_DIST

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 57e9e6db6..4c3d402d6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -145,7 +145,7 @@ AC_ARG_WITH(glib,
 			[Use glib @<:@default=auto@:>@])],,
 	[with_glib=auto])
 have_glib=false
-GLIB_DEPS="glib-2.0 >= 2.16"
+GLIB_DEPS="glib-2.0 >= 2.38"
 AC_SUBST(GLIB_DEPS)
 if test "x$with_glib" = "xyes" -o "x$with_glib" = "xauto"; then
 	PKG_CHECK_MODULES(GLIB, $GLIB_DEPS, have_glib=true, :)

From 7adbc5dd62ca03a65d1886e0f32e7026964dc5e5 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Fri, 30 Sep 2016 04:01:24 -0700
Subject: [PATCH 0078/1326] Fix building math docs (#335)

---
 src/hb-ot-layout.cc | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 6c8a9c498..0826607d9 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1229,7 +1229,6 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
 
 /**
  * hb_ot_math_has_data:
- *
  * @face: #hb_face_t to test
  *
  * This function allows to verify the presence of an OpenType MATH table on the
@@ -1248,7 +1247,6 @@ hb_ot_math_has_data (hb_face_t *face)
 
 /**
  * hb_ot_math_get_constant:
- *
  * @font: #hb_font_t from which to retrieve the value
  * @constant: #hb_ot_math_constant_t the constant to retrieve
  *
@@ -1272,7 +1270,6 @@ hb_ot_math_get_constant (hb_font_t *font,
 
 /**
  * hb_ot_math_get_glyph_italics_correction:
- *
  * @font: #hb_font_t from which to retrieve the value
  * @glyph: glyph index from which to retrieve the value
  *
@@ -1290,7 +1287,6 @@ hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
 
 /**
  * hb_ot_math_get_glyph_top_accent_attachment:
- *
  * @font: #hb_font_t from which to retrieve the value
  * @glyph: glyph index from which to retrieve the value
  *
@@ -1308,7 +1304,6 @@ hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
 
 /**
  * hb_ot_math_is_glyph_extended_shape:
- *
  * @font: a #hb_font_t to test
  * @glyph: a glyph index to test
  *
@@ -1326,7 +1321,6 @@ hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
 
 /**
  * hb_ot_math_get_glyph_kerning:
- *
  * @font: #hb_font_t from which to retrieve the value
  * @glyph: glyph index from which to retrieve the value
  * @kern: the #hb_ot_math_kern_t from which to retrieve the value
@@ -1354,7 +1348,6 @@ hb_ot_math_get_glyph_kerning (hb_font_t *font,
 
 /**
  * hb_ot_math_get_glyph_variants:
- *
  * @font: #hb_font_t from which to retrieve the values
  * @glyph: index of the glyph to stretch
  * @direction: direction of the stretching
@@ -1389,7 +1382,6 @@ hb_ot_math_get_glyph_variants (hb_font_t *font,
 
 /**
  * hb_ot_math_get_min_connector_overlap:
- *
  * @font: #hb_font_t from which to retrieve the value
  * @direction: direction of the stretching
  *
@@ -1412,7 +1404,6 @@ hb_ot_math_get_min_connector_overlap (hb_font_t *font,
 
 /**
  * hb_ot_math_get_glyph_assembly:
- *
  * @font: #hb_font_t from which to retrieve the values
  * @glyph: index of the glyph to stretch
  * @direction: direction of the stretching

From d1c62370a0c2bdb365a1468dc8d782b9a7245946 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 28 Sep 2016 19:11:22 +0200
Subject: [PATCH 0079/1326] Aim math API for 1.3.3 instead of 1.4.0

---
 docs/harfbuzz-docs.xml     |  6 +++---
 docs/harfbuzz-sections.txt | 12 ++++++------
 src/hb-ot-layout.cc        | 18 +++++++++---------
 src/hb-ot-math.h           | 10 +++++-----
 4 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index ea99732ca..7a42d2378 100644
--- a/docs/harfbuzz-docs.xml
+++ b/docs/harfbuzz-docs.xml
@@ -180,9 +180,9 @@
         <title>Index of new symbols in 1.2.3</title>
         <xi:include href="xml/api-index-1.2.3.xml"><xi:fallback /></xi:include>
       </index>
-      <index id="api-index-1-4-0" role="1.4.0">
-        <title>Index of new symbols in 1.4.0</title>
-        <xi:include href="xml/api-index-1.4.0.xml"><xi:fallback /></xi:include>
+      <index id="api-index-1.3.3" role="1.3.3">
+        <title>Index of new symbols in 1.3.3</title>
+        <xi:include href="xml/api-index-1.3.3.xml"><xi:fallback /></xi:include>
       </index>
       <index id="deprecated-api-index" role="deprecated">
         <title>Index of deprecated API</title>
diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 75d749293..270c87c44 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -427,19 +427,19 @@ Xhb_ot_layout_lookup_substitute
 HB_OT_TAG_MATH
 HB_OT_MATH_SCRIPT
 hb_ot_math_constant_t
+hb_ot_math_kern_t
+hb_ot_math_glyph_variant_t
 hb_ot_math_glyph_part_flags_t
 hb_ot_math_glyph_part_t
-hb_ot_math_glyph_variant_t
+hb_ot_math_has_data
 hb_ot_math_get_constant
-hb_ot_math_get_glyph_assembly
 hb_ot_math_get_glyph_italics_correction
-hb_ot_math_get_glyph_kerning
 hb_ot_math_get_glyph_top_accent_attachment
+hb_ot_math_get_glyph_kerning
+hb_ot_math_is_glyph_extended_shape
 hb_ot_math_get_glyph_variants
 hb_ot_math_get_min_connector_overlap
-hb_ot_math_has_data
-hb_ot_math_is_glyph_extended_shape
-hb_ot_math_kern_t
+hb_ot_math_get_glyph_assembly
 </SECTION>
 
 <SECTION>
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 0826607d9..0501181a3 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1237,7 +1237,7 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
  *
  * Return value: #TRUE if face has a MATH table and #FALSE otherwise
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 hb_bool_t
 hb_ot_math_has_data (hb_face_t *face)
@@ -1258,7 +1258,7 @@ hb_ot_math_has_data (hb_face_t *face)
  *
  * Return value: the requested constant or 0
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 hb_position_t
 hb_ot_math_get_constant (hb_font_t *font,
@@ -1275,7 +1275,7 @@ hb_ot_math_get_constant (hb_font_t *font,
  *
  * Return value: the italics correction of the glyph or 0
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 hb_position_t
 hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
@@ -1292,7 +1292,7 @@ hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
  *
  * Return value: the top accent attachment of the glyph or 0
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 hb_position_t
 hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
@@ -1309,7 +1309,7 @@ hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
  *
  * Return value: #TRUE if the glyph is an extended shape and #FALSE otherwise
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 hb_bool_t
 hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
@@ -1334,7 +1334,7 @@ hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
  *
  * Return value: requested kerning or 0
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 hb_position_t
 hb_ot_math_get_glyph_kerning (hb_font_t *font,
@@ -1363,7 +1363,7 @@ hb_ot_math_get_glyph_kerning (hb_font_t *font,
  *
  * Return value: the total number of size variants available or 0
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 unsigned int
 hb_ot_math_get_glyph_variants (hb_font_t *font,
@@ -1392,7 +1392,7 @@ hb_ot_math_get_glyph_variants (hb_font_t *font,
  *
  * Return value: requested min connector overlap or 0
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 hb_position_t
 hb_ot_math_get_min_connector_overlap (hb_font_t *font,
@@ -1420,7 +1420,7 @@ hb_ot_math_get_min_connector_overlap (hb_font_t *font,
  *
  * Return value: the total number of parts in the glyph assembly
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  **/
 unsigned int
 hb_ot_math_get_glyph_assembly (hb_font_t *font,
diff --git a/src/hb-ot-math.h b/src/hb-ot-math.h
index 0fc251b55..521a5ca03 100644
--- a/src/hb-ot-math.h
+++ b/src/hb-ot-math.h
@@ -50,7 +50,7 @@ HB_BEGIN_DECLS
 /**
  * hb_ot_math_constant_t:
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  */
 typedef enum {
   HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN = 0,
@@ -114,7 +114,7 @@ typedef enum {
 /**
  * hb_ot_math_kern_t:
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  */
 typedef enum {
   HB_OT_MATH_KERN_TOP_RIGHT = 0,
@@ -126,7 +126,7 @@ typedef enum {
 /**
  * hb_ot_math_glyph_variant_t:
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  */
 typedef struct hb_ot_math_glyph_variant_t {
   hb_codepoint_t glyph;
@@ -136,7 +136,7 @@ typedef struct hb_ot_math_glyph_variant_t {
 /**
  * hb_ot_math_glyph_part_flags_t:
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  */
 typedef enum { /*< flags >*/
   HB_MATH_GLYPH_PART_FLAG_EXTENDER	= 0x00000001u  /* Extender glyph */
@@ -145,7 +145,7 @@ typedef enum { /*< flags >*/
 /**
  * hb_ot_math_glyph_part_t:
  *
- * Since: 1.4.0
+ * Since: 1.3.3
  */
 typedef struct hb_ot_math_glyph_part_t {
   hb_codepoint_t glyph;

From 34fc4a2cfa61089b7ec2d9510d99cdc4c13bceb4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 28 Sep 2016 19:17:27 +0200
Subject: [PATCH 0080/1326] Fix dist

---
 test/api/Makefile.am | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 58f49146a..d514a6f82 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -54,6 +54,16 @@ TEST_PROGS += \
 	$(NULL)
 test_ot_math_LDADD = $(LDADD) $(FREETYPE_LIBS)
 test_ot_math_CPPFLAGS = $(AM_CPPFLAGS) $(FREETYPE_CFLAGS)
+EXTRA_DIST += \
+	fonts/MathTestFontEmpty.otf \
+	fonts/MathTestFontFull.otf \
+	fonts/MathTestFontFull.ttx \
+	fonts/MathTestFontNone.otf \
+	fonts/MathTestFontPartial1.otf \
+	fonts/MathTestFontPartial2.otf \
+	fonts/MathTestFontPartial3.otf \
+	fonts/MathTestFontPartial4.otf \
+	$(NULL)
 endif # HAVE_FREETYPE
 
 endif # HAVE_OT

From 7201fdd0a8e26d49b13e289b53de375d5b1c9fcb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 4 Oct 2016 14:53:17 -0700
Subject: [PATCH 0081/1326] LFS (large file system?) support in hb-*shap*,
 hb-view

Fixes https://github.com/behdad/harfbuzz/issues/336
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 4c3d402d6..235afe761 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,6 +9,8 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([src/harfbuzz.pc.in])
 AC_CONFIG_HEADERS([config.h])
 
+AC_USE_SYSTEM_EXTENSIONS
+
 AM_INIT_AUTOMAKE([1.11.1 gnits tar-ustar dist-bzip2 no-dist-gzip -Wall no-define color-tests -Wno-portability])
 AM_CONDITIONAL(AUTOMAKE_OLDER_THAN_1_13, test $am__api_version = 1.11 -o $am__api_version = 1.12)
 AM_SILENT_RULES([yes])
@@ -22,6 +24,7 @@ LT_INIT([disable-static])
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CXX
+AC_SYS_LARGEFILE
 PKG_PROG_PKG_CONFIG([0.20])
 AM_MISSING_PROG([RAGEL], [ragel])
 AM_MISSING_PROG([GIT], [git])

From bef240b36ee9086b0d92e351e4c5118c0bbb5df6 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 10 Oct 2016 17:27:52 +0330
Subject: [PATCH 0082/1326] [ci] Whitelist more symbols and unbreak mac CI

Thanks to @khaledhosny, actually this is his work :)
---
 src/check-symbols.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/check-symbols.sh b/src/check-symbols.sh
index b2bf43fce..ba09ba1cc 100755
--- a/src/check-symbols.sh
+++ b/src/check-symbols.sh
@@ -19,8 +19,8 @@ tested=false
 for suffix in so dylib; do
 	so=.libs/libharfbuzz.$suffix
 	if ! test -f "$so"; then continue; fi
-	
-	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
+
+	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| ___gcov_flush\>\| llvm_\| _llvm_' | cut -d' ' -f3`"
 
 	prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
 

From 331c46c79b4d18cb4948be12c78ebb71a143e7ac Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 11 Oct 2016 13:45:22 -0700
Subject: [PATCH 0083/1326] Fix configure on iOS

Fixes https://github.com/behdad/harfbuzz/issues/342
---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 235afe761..14c86b7c5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -414,7 +414,8 @@ if test "x$with_coretext" = "xyes" -o "x$with_coretext" = "xauto"; then
 	else
 		# On iOS CoreText and CoreGraphics are stand-alone frameworks
 		if test "x$have_coretext" != "xtrue"; then
-			AC_CHECK_TYPE(CTFontRef, have_coretext=true,, [#include <CoreText/CoreText.h>])
+			# Check for a different symbol to avoid getting cached result.
+			AC_CHECK_TYPE(CTRunRef, have_coretext=true,, [#include <CoreText/CoreText.h>])
 		fi
 
 		if $have_coretext; then

From d8e2eb9ee0f47af7e90056d8db5949d10a88786a Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sun, 9 Oct 2016 09:06:05 +0330
Subject: [PATCH 0084/1326] Make Uniscribe optional on nmake win32 builds

Most of harfbuzz clients don't need Uniscribe and DirectWrite support at all
as harfbuzz is a replacement for Uniscribe so Chromium and Firefox are using
harfbuzz without them on Windows.

This removal also helps win32 nmake clients to have reduced binary size and
libs count.
---
 appveyor.yml            |  2 +-
 win32/README.txt        | 13 +++++++------
 win32/config-msvc.mak   | 18 +++++++++++++-----
 win32/config.h.win32.in |  2 +-
 win32/info-msvc.mak     | 11 +++++++++--
 5 files changed, 31 insertions(+), 15 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index 4677a2774..cc16e5e78 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -31,7 +31,7 @@ build_script:
   - 'if "%compiler%"=="msvc" call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
   - 'if "%compiler%"=="msvc" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
   - 'if "%compiler%"=="msvc" cd harfbuzz-*\win32'
-  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% DIRECTWRITE=1'
+  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=$MINGW_CHOST --host=$MINGW_CHOST --prefix=$MINGW_PREFIX; make; make check"'
diff --git a/win32/README.txt b/win32/README.txt
index e2ead01d0..07e211c0a 100644
--- a/win32/README.txt
+++ b/win32/README.txt
@@ -7,11 +7,10 @@ Makefiles.
 The following are instructions for performing such a build, as there is a
 number of build configurations supported for the build.  Note that for all
 build configurations, the OpenType and Simple TrueType layout (fallback)
-backends are enabled, as well as the Uniscribe platform shaper, and this
-is the base configuration that is built if no options (see below) are
-specified.  A 'clean' target is provided-it is recommended that one cleans
-the build and redo the build if any configuration option changed.  An
-'install' target is also provided to copy the built items in their appropriate
+backends are enabled, and this is the base configuration that is built if no
+options (see below) are specified.  A 'clean' target is provided-it is recommended
+that one cleans the build and redo the build if any configuration option changed.
+An 'install' target is also provided to copy the built items in their appropriate
 locations under $(PREFIX), which is described below.
 
 Invoke the build by issuing the command:
@@ -68,7 +67,9 @@ ICU: Enables the build HarfBuzz-ICU, which is now the recommended layout engine
      for ICU (International Components for Unicode), which deprecated ICU LE.
      Requires the ICU libraries.
 
-DIRECTWRITE: Enable (experimental) DirectWrite platform shaper support,
+UNISCRIBE: Enable Uniscribe platform shaper support.
+
+DIRECTWRITE: Enable DirectWrite platform shaper support,
              requires a rather recent Windows SDK, and at least Windows Vista/
              Server 2008 with SP2 and platform update.
 
diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index e0c6468e3..88ae07168 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -20,6 +20,9 @@ CAIRO_LIB = cairo.lib
 # Graphite2 is needed for building SIL Graphite2 support
 GRAPHITE2_LIB = graphite2.lib
 
+# Uniscribe is needed for Uniscribe shaping support
+UNISCRIBE_LIB = usp10.lib gdi32.lib rpcrt4.lib user32.lib
+
 # Directwrite is needed for DirectWrite shaping support
 DIRECTWRITE_LIB = dwrite.lib
 
@@ -31,17 +34,15 @@ HB_UCDN_CFLAGS = /I..\src\hb-ucdn
 HB_SOURCES =	\
 	$(HB_BASE_sources)		\
 	$(HB_FALLBACK_sources)	\
-	$(HB_OT_sources)		\
-	$(HB_UNISCRIBE_sources)	\
+	$(HB_OT_sources)
 
 HB_HEADERS =	\
 	$(HB_BASE_headers)		\
 	$(HB_NODIST_headers)	\
-	$(HB_OT_headers)		\
-	$(HB_UNISCRIBE_headers)
+	$(HB_OT_headers)
 
 # Minimal set of (system) libraries needed for the HarfBuzz DLL
-HB_DEP_LIBS = usp10.lib gdi32.lib rpcrt4.lib user32.lib
+HB_DEP_LIBS =
 
 # We build the HarfBuzz DLL/LIB at least
 HB_LIBS = $(CFG)\$(PLAT)\harfbuzz.lib
@@ -188,6 +189,13 @@ HB_CFLAGS =	\
 HB_SOURCES = $(HB_SOURCES) $(LIBHB_UCDN_sources) $(HB_UCDN_sources)
 !endif
 
+!if "$(UNISCRIBE)" == "1"
+HB_CFLAGS = $(HB_CFLAGS) /DHAVE_UNISCRIBE
+HB_SOURCES = $(HB_SOURCES) $(HB_UNISCRIBE_sources)
+HB_HEADERS = $(HB_HEADERS) $(HB_UNISCRIBE_headers)
+HB_DEP_LIBS = $(HB_DEP_LIBS) $(UNISCRIBE_LIB)
+!endif
+
 !if "$(DIRECTWRITE)" == "1"
 HB_CFLAGS = $(HB_CFLAGS) /DHAVE_DIRECTWRITE
 HB_SOURCES = $(HB_SOURCES) $(HB_DIRECTWRITE_sources)
diff --git a/win32/config.h.win32.in b/win32/config.h.win32.in
index 73ad205d5..d45cefb5e 100644
--- a/win32/config.h.win32.in
+++ b/win32/config.h.win32.in
@@ -115,7 +115,7 @@
 #define HAVE_UCDN 1
 
 /* Have Uniscribe library */
-#define HAVE_UNISCRIBE 1
+/* #undef HAVE_UNISCRIBE */
 
 /* Define to 1 if you have the <unistd.h> header file. */
 #ifndef _MSC_VER
diff --git a/win32/info-msvc.mak b/win32/info-msvc.mak
index bc85dc9c9..bbe631bd0 100644
--- a/win32/info-msvc.mak
+++ b/win32/info-msvc.mak
@@ -1,6 +1,6 @@
 # NMake Makefile portion for displaying config info
 
-INC_FEATURES = Uniscribe Fallback OT
+INC_FEATURES = Fallback OT
 BUILT_TOOLS =
 BUILT_LIBRARIES = HarfBuzz
 
@@ -23,6 +23,10 @@ INC_FEATURES = $(INC_FEATURES) FreeType
 INC_FEATURES = $(INC_FEATURES) Graphite2
 !endif
 
+!if "$(UNISCRIBE)" == "1"
+INC_FEATURES = $(INC_FEATURES) Uniscribe
+!endif
+
 !if "$(DIRECTWRITE)" == "1"
 INC_FEATURES = $(INC_FEATURES) DirectWrite
 !endif
@@ -77,9 +81,12 @@ help:
 	@echo.
 	@echo OPTION: Optional, may be any of the following, use OPTION=1 to enable;
 	@echo multiple OPTION's may be used.  If no OPTION is specified, a default
-	@echo HarfBuzz DLL is built with OpenType, fallback and Uniscribe support
+	@echo HarfBuzz DLL is built with OpenType and fallback support
 	@echo with a bundled Unicode implementation (UCDN).
 	@echo ======
+	@echo UNISCRIBE:
+	@echo Enable Uniscribe support.
+	@echo.
 	@echo DIRECTWRITE:
 	@echo Enable DirectWrite support, requires a recent enough Windows SDK.
 	@echo.

From 4631d84c2bb51395efe3156f9c9f1a6b0e277947 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 18 Oct 2016 14:30:00 +0330
Subject: [PATCH 0085/1326] Merge back @vlj's local patches of vcpkg

---
 win32/config-msvc.mak    | 7 +++++++
 win32/detectenv-msvc.mak | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index 88ae07168..d8b851d1e 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -12,7 +12,11 @@ HB_GLIB_LIBS = glib-2.0.lib
 HB_GOBJECT_DEP_LIBS = gobject-2.0.lib $(HB_GLIB_LIBS)
 
 # Freetype is needed for building FreeType support and hb-view
+!if "$(CFG)" == "debug"
+FREETYPE_LIB = freetyped.lib
+!else
 FREETYPE_LIB = freetype.lib
+!endif
 
 # Cairo is needed for building hb-view
 CAIRO_LIB = cairo.lib
@@ -125,6 +129,9 @@ HB_DEFINES = $(HB_DEFINES) /DHAVE_CAIRO=1
 
 # Enable freetype if desired
 !if "$(FREETYPE)" == "1"
+!if "$(FREETYPE_DIR)" != ""
+HB_CFLAGS = $(HB_CFLAGS) /I$(FREETYPE_DIR)
+!endif
 HB_DEFINES = $(HB_DEFINES) /DHAVE_FREETYPE=1
 HB_SOURCES = $(HB_SOURCES) $(HB_FT_sources)
 HB_HEADERS = $(HB_HEADERS) $(HB_FT_headers)
diff --git a/win32/detectenv-msvc.mak b/win32/detectenv-msvc.mak
index 83d87862c..41f4bd097 100644
--- a/win32/detectenv-msvc.mak
+++ b/win32/detectenv-msvc.mak
@@ -130,6 +130,9 @@ LDFLAGS_ARCH = /machine:x86
 CFLAGS = $(CFLAGS_ADD) /W3 /Zi /I.. /I..\src /I. /I$(PREFIX)\include
 
 LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(PREFIX)\lib /DEBUG
+!if "$(ADDITIONAL_LIB_DIR)" != ""
+LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(ADDITIONAL_LIB_DIR)
+!endif
 
 !if "$(CFG)" == "debug"
 LDFLAGS = $(LDFLAGS_BASE)

From 755a0c20798e3c3e6bb933a28e38f9667fccdadc Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 21 Oct 2016 11:48:58 +0330
Subject: [PATCH 0086/1326] [ci] Enable freetype on msvc using vcpkg

---
 appveyor.yml | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index cc16e5e78..06530007b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,15 +4,19 @@ environment:
   matrix:
     - compiler: msvc
       ARCH: amd64
+      VCPKG_ARCH: x64-windows
       CFG: release
     - compiler: msvc
       ARCH: x86
+      VCPKG_ARCH: x86-windows
       CFG: release
     - compiler: msvc
       ARCH: amd64
+      VCPKG_ARCH: x64-windows
       CFG: debug
     - compiler: msvc
       ARCH: x86
+      VCPKG_ARCH: x86-windows
       CFG: debug
 
     - compiler: msys2
@@ -27,11 +31,18 @@ environment:
 install:
   - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-ragel"
 
-build_script:
   - 'if "%compiler%"=="msvc" call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
+  - 'if "%compiler%"=="msvc" git clone https://github.com/Microsoft/vcpkg'
+  - 'if "%compiler%"=="msvc" cd vcpkg'
+  - 'if "%compiler%"=="msvc" powershell -exec bypass scripts\bootstrap.ps1'
+  - 'if "%compiler%"=="msvc" vcpkg install freetype:%VCPKG_ARCH%'
+  - 'if "%compiler%"=="msvc" copy installed\%VCPKG_ARCH%\debug\lib\freetyped.lib installed\%VCPKG_ARCH%\lib"
+  - 'if "%compiler%"=="msvc" cd ..'
+
+build_script:
   - 'if "%compiler%"=="msvc" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
   - 'if "%compiler%"=="msvc" cd harfbuzz-*\win32'
-  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1'
+  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 FREETYPE=1 FREETYPE_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\include ADDITIONAL_LIB_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\lib'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=$MINGW_CHOST --host=$MINGW_CHOST --prefix=$MINGW_PREFIX; make; make check"'

From c3fa5d0e03b57be131c66ea8720806c946d0e10f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Mon, 24 Oct 2016 21:42:04 +0200
Subject: [PATCH 0087/1326] Remove inexistent file ttx file from
 test/api/Makefile.am

---
 test/api/Makefile.am | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index d514a6f82..530bf3ede 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -57,7 +57,6 @@ test_ot_math_CPPFLAGS = $(AM_CPPFLAGS) $(FREETYPE_CFLAGS)
 EXTRA_DIST += \
 	fonts/MathTestFontEmpty.otf \
 	fonts/MathTestFontFull.otf \
-	fonts/MathTestFontFull.ttx \
 	fonts/MathTestFontNone.otf \
 	fonts/MathTestFontPartial1.otf \
 	fonts/MathTestFontPartial2.otf \

From 0e79ebb3ca9b7b6d238a0007e5ca022845ee9afc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 23 Oct 2016 14:39:43 +0200
Subject: [PATCH 0088/1326] [gobject] Update for new MATH structs

---
 src/hb-gobject-structs.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-gobject-structs.cc b/src/hb-gobject-structs.cc
index 6bd63368b..fef00245b 100644
--- a/src/hb-gobject-structs.cc
+++ b/src/hb-gobject-structs.cc
@@ -78,3 +78,6 @@ HB_DEFINE_VALUE_TYPE (glyph_info)
 HB_DEFINE_VALUE_TYPE (glyph_position)
 HB_DEFINE_VALUE_TYPE (segment_properties)
 HB_DEFINE_VALUE_TYPE (user_data_key)
+
+HB_DEFINE_VALUE_TYPE (ot_math_glyph_variant)
+HB_DEFINE_VALUE_TYPE (ot_math_glyph_part)

From b6c765871b752c9436ec993e47b48f9d4fecaed5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 10:33:33 +0200
Subject: [PATCH 0089/1326] [ci] Fix appveyor.yml syntax error

---
 appveyor.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/appveyor.yml b/appveyor.yml
index 06530007b..ddcc9a41a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -36,7 +36,7 @@ install:
   - 'if "%compiler%"=="msvc" cd vcpkg'
   - 'if "%compiler%"=="msvc" powershell -exec bypass scripts\bootstrap.ps1'
   - 'if "%compiler%"=="msvc" vcpkg install freetype:%VCPKG_ARCH%'
-  - 'if "%compiler%"=="msvc" copy installed\%VCPKG_ARCH%\debug\lib\freetyped.lib installed\%VCPKG_ARCH%\lib"
+  - 'if "%compiler%"=="msvc" copy installed\%VCPKG_ARCH%\debug\lib\freetyped.lib installed\%VCPKG_ARCH%\lib'
   - 'if "%compiler%"=="msvc" cd ..'
 
 build_script:

From 118164293cc7eb18ba03896f602aff816400134b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 16:04:30 +0200
Subject: [PATCH 0090/1326] Fix "make distcheck"

---
 configure.ac | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 14c86b7c5..6f658cda6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,8 +9,6 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([src/harfbuzz.pc.in])
 AC_CONFIG_HEADERS([config.h])
 
-AC_USE_SYSTEM_EXTENSIONS
-
 AM_INIT_AUTOMAKE([1.11.1 gnits tar-ustar dist-bzip2 no-dist-gzip -Wall no-define color-tests -Wno-portability])
 AM_CONDITIONAL(AUTOMAKE_OLDER_THAN_1_13, test $am__api_version = 1.11 -o $am__api_version = 1.12)
 AM_SILENT_RULES([yes])
@@ -21,6 +19,7 @@ LT_PREREQ([2.2])
 LT_INIT([disable-static])
 
 # Check for programs
+AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CXX

From 966ac7ecd3d0128a3adacdd26aacef2bd8afa4d4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 16:17:15 +0200
Subject: [PATCH 0091/1326] 1.3.3

---
 NEWS         | 24 ++++++++++++++++++++++++
 configure.ac |  2 +-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index ae0926e63..e83f25f2b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,27 @@
+Overview of changes leading to 1.3.3
+Wednesday, September 28, 2016
+====================================
+
+- Implement parsing of OpenType MATH table.
+New API:
+HB_OT_TAG_MATH
+HB_OT_MATH_SCRIPT
+hb_ot_math_constant_t
+hb_ot_math_kern_t
+hb_ot_math_glyph_variant_t
+hb_ot_math_glyph_part_flags_t
+hb_ot_math_glyph_part_t
+hb_ot_math_has_data
+hb_ot_math_get_constant
+hb_ot_math_get_glyph_italics_correction
+hb_ot_math_get_glyph_top_accent_attachment
+hb_ot_math_get_glyph_kerning
+hb_ot_math_is_glyph_extended_shape
+hb_ot_math_get_glyph_variants
+hb_ot_math_get_min_connector_overlap
+hb_ot_math_get_glyph_assembly
+
+
 Overview of changes leading to 1.3.2
 Wednesday, September 27, 2016
 ====================================
diff --git a/configure.ac b/configure.ac
index 6f658cda6..b38ba98c7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.3.2],
+        [1.3.3],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From b3b0816d5fc00298621f738cf400de60f8a42c5d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 17:19:07 +0200
Subject: [PATCH 0092/1326] Fix vertical font metrics

Ouch!
---
 src/hb-font-private.hh | 4 ++--
 src/hb-ot-font.cc      | 8 ++++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 6d5012ec1..99a865660 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -303,14 +303,14 @@ struct hb_font_t {
       if (!get_font_h_extents (extents))
       {
 	extents->ascender = y_scale * .8;
-	extents->descender = y_scale - extents->ascender;
+	extents->descender = extents->ascender - y_scale;
 	extents->line_gap = 0;
       }
     } else {
       if (!get_font_v_extents (extents))
       {
 	extents->ascender = x_scale / 2;
-	extents->descender = x_scale - extents->ascender;
+	extents->descender = extents->ascender - x_scale;
 	extents->line_gap = 0;
       }
     }
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 0b7e31b2d..9fd8d0502 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -47,6 +47,7 @@ struct hb_ot_face_metrics_accelerator_t
   unsigned short ascender;
   unsigned short descender;
   unsigned short line_gap;
+  bool has_font_extents;
 
   const OT::_mtx *table;
   hb_blob_t *blob;
@@ -82,9 +83,12 @@ struct hb_ot_face_metrics_accelerator_t
       this->ascender = _hea->ascender;
       this->descender = _hea->descender;
       this->line_gap = _hea->lineGap;
+      got_font_extents = (this->ascender | this->descender) != 0;
     }
     hb_blob_destroy (_hea_blob);
 
+    this->has_font_extents = got_font_extents;
+
     this->blob = OT::Sanitizer<OT::_mtx>::sanitize (face->reference_table (_mtx_tag));
 
     /* Cap num_metrics() and num_advances() based on table length. */
@@ -475,7 +479,7 @@ hb_ot_get_font_h_extents (hb_font_t *font HB_UNUSED,
   metrics->ascender = font->em_scale_y (ot_font->h_metrics.ascender);
   metrics->descender = font->em_scale_y (ot_font->h_metrics.descender);
   metrics->line_gap = font->em_scale_y (ot_font->h_metrics.line_gap);
-  return true;
+  return ot_font->h_metrics.has_font_extents;
 }
 
 static hb_bool_t
@@ -488,7 +492,7 @@ hb_ot_get_font_v_extents (hb_font_t *font HB_UNUSED,
   metrics->ascender = font->em_scale_x (ot_font->v_metrics.ascender);
   metrics->descender = font->em_scale_x (ot_font->v_metrics.descender);
   metrics->line_gap = font->em_scale_x (ot_font->v_metrics.line_gap);
-  return true;
+  return ot_font->v_metrics.has_font_extents;
 }
 
 static hb_font_funcs_t *static_ot_funcs = NULL;

From 9ee23c49a7a7b2479ae0d36a64720e92eb8a36e7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 17:44:16 +0200
Subject: [PATCH 0093/1326] Fix vertical glyph origin with hb-ot-font

---
 src/hb-font-private.hh | 51 ++++++++++++++++++++++++------------------
 1 file changed, 29 insertions(+), 22 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 99a865660..91d4a587f 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -339,30 +339,37 @@ struct hb_font_t {
     *y = y_scale;
   }
 
+  inline void get_glyph_h_origin_with_fallback (hb_codepoint_t glyph,
+						hb_position_t *x, hb_position_t *y)
+  {
+    if (!get_glyph_h_origin (glyph, x, y) &&
+	 get_glyph_v_origin (glyph, x, y))
+    {
+      hb_position_t dx, dy;
+      guess_v_origin_minus_h_origin (glyph, &dx, &dy);
+      *x -= dx; *y -= dy;
+    }
+  }
+  inline void get_glyph_v_origin_with_fallback (hb_codepoint_t glyph,
+						hb_position_t *x, hb_position_t *y)
+  {
+    if (!get_glyph_v_origin (glyph, x, y) &&
+	 get_glyph_h_origin (glyph, x, y))
+    {
+      hb_position_t dx, dy;
+      guess_v_origin_minus_h_origin (glyph, &dx, &dy);
+      *x += dx; *y += dy;
+    }
+  }
+
   inline void get_glyph_origin_for_direction (hb_codepoint_t glyph,
 					      hb_direction_t direction,
 					      hb_position_t *x, hb_position_t *y)
   {
     if (likely (HB_DIRECTION_IS_HORIZONTAL (direction)))
-    {
-      if (!get_glyph_h_origin (glyph, x, y) &&
-	   get_glyph_v_origin (glyph, x, y))
-      {
-	hb_position_t dx, dy;
-	guess_v_origin_minus_h_origin (glyph, &dx, &dy);
-	*x -= dx; *y -= dy;
-      }
-    }
+      get_glyph_h_origin_with_fallback (glyph, x, y);
     else
-    {
-      if (!get_glyph_v_origin (glyph, x, y) &&
-	   get_glyph_h_origin (glyph, x, y))
-      {
-	hb_position_t dx, dy;
-	guess_v_origin_minus_h_origin (glyph, &dx, &dy);
-	*x += dx; *y += dy;
-      }
-    }
+      get_glyph_v_origin_with_fallback (glyph, x, y);
   }
 
   inline void add_glyph_h_origin (hb_codepoint_t glyph,
@@ -370,7 +377,7 @@ struct hb_font_t {
   {
     hb_position_t origin_x, origin_y;
 
-    get_glyph_h_origin (glyph, &origin_x, &origin_y);
+    get_glyph_h_origin_with_fallback (glyph, &origin_x, &origin_y);
 
     *x += origin_x;
     *y += origin_y;
@@ -380,7 +387,7 @@ struct hb_font_t {
   {
     hb_position_t origin_x, origin_y;
 
-    get_glyph_v_origin (glyph, &origin_x, &origin_y);
+    get_glyph_v_origin_with_fallback (glyph, &origin_x, &origin_y);
 
     *x += origin_x;
     *y += origin_y;
@@ -402,7 +409,7 @@ struct hb_font_t {
   {
     hb_position_t origin_x, origin_y;
 
-    get_glyph_h_origin (glyph, &origin_x, &origin_y);
+    get_glyph_h_origin_with_fallback (glyph, &origin_x, &origin_y);
 
     *x -= origin_x;
     *y -= origin_y;
@@ -412,7 +419,7 @@ struct hb_font_t {
   {
     hb_position_t origin_x, origin_y;
 
-    get_glyph_v_origin (glyph, &origin_x, &origin_y);
+    get_glyph_v_origin_with_fallback (glyph, &origin_x, &origin_y);
 
     *x -= origin_x;
     *y -= origin_y;

From 63635c763dd9393df236f49d491510cca18a1ccc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 17:54:04 +0200
Subject: [PATCH 0094/1326] [hb-ot-font] Use ascent+descent as fallback
 vertical advance

---
 src/hb-ot-font.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 9fd8d0502..20f2f8944 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -55,9 +55,10 @@ struct hb_ot_face_metrics_accelerator_t
   inline void init (hb_face_t *face,
 		    hb_tag_t _hea_tag,
 		    hb_tag_t _mtx_tag,
-		    hb_tag_t os2_tag)
+		    hb_tag_t os2_tag,
+		    unsigned int default_advance = 0)
   {
-    this->default_advance = face->get_upem ();
+    this->default_advance = default_advance ? default_advance : face->get_upem ();
 
     bool got_font_extents = false;
     if (os2_tag)
@@ -391,7 +392,8 @@ _hb_ot_font_create (hb_face_t *face)
 
   ot_font->cmap.init (face);
   ot_font->h_metrics.init (face, HB_OT_TAG_hhea, HB_OT_TAG_hmtx, HB_OT_TAG_os2);
-  ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_TAG_NONE); /* TODO Can we do this lazily? */
+  ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_TAG_NONE,
+			   ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
   ot_font->glyf.init (face);
 
   return ot_font;

From a7b32f2057098012b3ab43121397766ae45b3559 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 18:08:41 +0200
Subject: [PATCH 0095/1326] Move code around

---
 src/hb-font-private.hh | 38 +++++++++++++++++++++++---------------
 1 file changed, 23 insertions(+), 15 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 91d4a587f..324cadc1a 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -296,24 +296,32 @@ struct hb_font_t {
 
   /* A bit higher-level, and with fallback */
 
+  inline void get_h_extents_with_fallback (hb_font_extents_t *extents)
+  {
+    if (!get_font_h_extents (extents))
+    {
+      extents->ascender = y_scale * .8;
+      extents->descender = extents->ascender - y_scale;
+      extents->line_gap = 0;
+    }
+  }
+  inline void get_v_extents_with_fallback (hb_font_extents_t *extents)
+  {
+    if (!get_font_v_extents (extents))
+    {
+      extents->ascender = x_scale / 2;
+      extents->descender = extents->ascender - x_scale;
+      extents->line_gap = 0;
+    }
+  }
+
   inline void get_extents_for_direction (hb_direction_t direction,
 					 hb_font_extents_t *extents)
   {
-    if (likely (HB_DIRECTION_IS_HORIZONTAL (direction))) {
-      if (!get_font_h_extents (extents))
-      {
-	extents->ascender = y_scale * .8;
-	extents->descender = extents->ascender - y_scale;
-	extents->line_gap = 0;
-      }
-    } else {
-      if (!get_font_v_extents (extents))
-      {
-	extents->ascender = x_scale / 2;
-	extents->descender = extents->ascender - x_scale;
-	extents->line_gap = 0;
-      }
-    }
+    if (likely (HB_DIRECTION_IS_HORIZONTAL (direction)))
+      get_h_extents_with_fallback (extents);
+    else
+      get_v_extents_with_fallback (extents);
   }
 
   inline void get_glyph_advance_for_direction (hb_codepoint_t glyph,

From 2b117720c03869c7714304fd7fbfb2b01199bb3a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 18:12:50 +0200
Subject: [PATCH 0096/1326] Use horizontal ascent as fallback vertical origin

---
 src/hb-font-private.hh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 324cadc1a..cda97a68c 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -337,14 +337,15 @@ struct hb_font_t {
     }
   }
 
-  /* Internal only */
   inline void guess_v_origin_minus_h_origin (hb_codepoint_t glyph,
 					     hb_position_t *x, hb_position_t *y)
   {
     *x = get_glyph_h_advance (glyph) / 2;
 
-    /* TODO use font_extents.ascender */
-    *y = y_scale;
+    /* TODO cache this somehow?! */
+    hb_font_extents_t extents;
+    get_h_extents_with_fallback (&extents);
+    *y = extents.ascender;
   }
 
   inline void get_glyph_h_origin_with_fallback (hb_codepoint_t glyph,

From d163cd956246449e3e48b54ce6eb5cdb14e3a0a6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Oct 2016 18:27:48 +0200
Subject: [PATCH 0097/1326] [tests] Add tests for vertical origin with ft and
 ot font-funcs

---
 .../f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf | Bin 0 -> 1004 bytes
 test/shaping/tests/vertical.tests                |   2 ++
 2 files changed, 2 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf

diff --git a/test/shaping/fonts/sha1sum/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf b/test/shaping/fonts/sha1sum/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..ed2fab9ef322b80ccfa0b952235b092cb53688c2
GIT binary patch
literal 1004
zcmZvaUr5tY6vw~!{(e85bGg(hMrd0T4H63fJ)~3)b<%^DE07Y}ueCqrHrKXbLQxjM
zh!!REB8CJZS&@4XvD`y~;zRUcFFh3W;Hy+fL227McRv%0?vHzZ=X38l_kPdef&nPP
zbx3g9+dDe3lRQY(v|4UI-s8CD8MhI)636Y1Q?{mu-M5Grh--Qr2kNh^MB)IiBX+t1
zY6u2gCcZ;l=T##i=#WqG6~qRwf5>y>;Fn_ZS7|1FZuR_6cIFbm#Cgp=S}2<0E0nJz
zuJ#3@F=Hj8^Vu(AgMZMa!h$~H6tOO##zJtiY2q<rb5ISqrGdizls`*+I5ZfEW-q`)
z{6p-6lZCQdNs*=<fJL%MR@T6nRGXJC$^FT6>cuPGGQkgJPCxFfvP`hWOpB6QZ|6QX
z_aWxWbWm@W0C`cFfe{s?1*I0VTxQD4FDoxEGs#v<sinTTsj<dtEiT^lme?a!!<4)6
z$??p$uj$MzD|$Zm?ByD(O+KBTR%WK=ZcOgdS0?W-e3ZI^!?BC$2kFo8+c&RLStM6t
zy*LRclpKiyv>|P>=!b}7#{LtD7hPwKt=~~7+6T;!Hm-^PyM1rgHWKM&{fO=yVS&~M
zs^cx@l}hSJ164(5=o0BCfPQ8pu|BLH`R6`T0$HAA_ecqpQOW_^qy432csO*N7b;v<
zWX@%}MQGX@_MRR)j-m}V?G9an_nE=QKfNav$Ecft8CsTBmx0Jkt1^A!BwIF1wk?~@
zzTP^Sqlz>!xqwzmXjk(&z2*{hV-QiAW;mcChzNS&hL_%^pE#V0CIe(W;(h#QFzS*H
zobLUjNDJb*`!y?+>0v`ZB-c>b50f|S9)Q`eMuVu!)dR{GQKB}@XWM)ZX}}#0!nEB|
qpvVw$1*CxGrg*u+7kv?XB{YRXve{L#LdRZI|E0r}(_x~$&G8$?ptw2!

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/vertical.tests b/test/shaping/tests/vertical.tests
index 827689088..3586080f8 100644
--- a/test/shaping/tests/vertical.tests
+++ b/test/shaping/tests/vertical.tests
@@ -1 +1,3 @@
 fonts/sha1sum/191826b9643e3f124d865d617ae609db6a2ce203.ttf:--direction=t:U+300C:[uni300C.vert=0@-512,-578+0,-1024]
+fonts/sha1sum/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ft:U+0041,U+0042:[gid1=0@-654,-2128+0,-2789|gid2=1@-665,-2125+0,-2789]
+fonts/sha1sum/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ot:U+0041,U+0042:[gid1=0@-654,-2189+0,-2789|gid2=1@-665,-2189+0,-2789]

From 261837e7202ec584f653f379851e1c6457396b07 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 28 Oct 2016 21:49:11 +0330
Subject: [PATCH 0098/1326] Fix "nmake install" when ADDITIONAL_LIB_DIR is
 provided and test it on CI (#356)

---
 appveyor.yml             | 1 +
 win32/detectenv-msvc.mak | 4 ++--
 win32/generate-msvc.mak  | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index ddcc9a41a..2a0e7c59f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -43,6 +43,7 @@ build_script:
   - 'if "%compiler%"=="msvc" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
   - 'if "%compiler%"=="msvc" cd harfbuzz-*\win32'
   - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 FREETYPE=1 FREETYPE_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\include ADDITIONAL_LIB_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\lib'
+  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 FREETYPE=1 install'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=$MINGW_CHOST --host=$MINGW_CHOST --prefix=$MINGW_PREFIX; make; make check"'
diff --git a/win32/detectenv-msvc.mak b/win32/detectenv-msvc.mak
index 41f4bd097..80a5eed7a 100644
--- a/win32/detectenv-msvc.mak
+++ b/win32/detectenv-msvc.mak
@@ -129,10 +129,10 @@ LDFLAGS_ARCH = /machine:x86
 !if "$(VALID_CFGSET)" == "TRUE"
 CFLAGS = $(CFLAGS_ADD) /W3 /Zi /I.. /I..\src /I. /I$(PREFIX)\include
 
-LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(PREFIX)\lib /DEBUG
 !if "$(ADDITIONAL_LIB_DIR)" != ""
-LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(ADDITIONAL_LIB_DIR)
+ADDITIONAL_LIB_ARG = /libpath:$(ADDITIONAL_LIB_DIR)
 !endif
+LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(PREFIX)\lib $(ADDITIONAL_LIB_ARG) /DEBUG
 
 !if "$(CFG)" == "debug"
 LDFLAGS = $(LDFLAGS_BASE)
diff --git a/win32/generate-msvc.mak b/win32/generate-msvc.mak
index 7c17a9465..57cfb6ecb 100644
--- a/win32/generate-msvc.mak
+++ b/win32/generate-msvc.mak
@@ -23,4 +23,4 @@ $(HB_GOBJECT_ENUM_GENERATED_SOURCES): ..\src\hb-gobject-enums.h.tmpl ..\src\hb-g
 
 # Create the build directories
 $(CFG)\$(PLAT)\harfbuzz $(CFG)\$(PLAT)\harfbuzz-icu $(CFG)\$(PLAT)\harfbuzz-gobject $(CFG)\$(PLAT)\util:
-	@-mkdir -p $@
+	@-md $@

From 831852594b777f250efedb76d19bee1cfc8eeaa4 Mon Sep 17 00:00:00 2001
From: Seigo Nonaka <nona@google.com>
Date: Fri, 2 Dec 2016 15:03:50 -0800
Subject: [PATCH 0099/1326] Introduce get_extent support for color bitmap font.
 (#351)

hb_font_get_glyph_extents now works for color bitmap fonts.
Currently only font having index format 1 and image format 17
is supported.
---
 src/Makefile.sources    |   1 +
 src/hb-ot-ebdt-table.hh | 193 ++++++++++++++++++++++++++++++++++++++++
 src/hb-ot-font.cc       |  96 ++++++++++++++++++++
 3 files changed, 290 insertions(+)
 create mode 100644 src/hb-ot-ebdt-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 5c695c5c2..8d2f3c681 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -21,6 +21,7 @@ HB_BASE_sources = \
 	hb-open-file-private.hh \
 	hb-open-type-private.hh \
 	hb-ot-cmap-table.hh \
+	hb-ot-ebdt-table.hh \
 	hb-ot-glyf-table.hh \
 	hb-ot-head-table.hh \
 	hb-ot-hhea-table.hh \
diff --git a/src/hb-ot-ebdt-table.hh b/src/hb-ot-ebdt-table.hh
new file mode 100644
index 000000000..f3d0de619
--- /dev/null
+++ b/src/hb-ot-ebdt-table.hh
@@ -0,0 +1,193 @@
+/*
+ * Copyright © 2016  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Seigo Nonaka
+ */
+
+#ifndef HB_OT_EBDT_TABLE_HH
+#define HB_OT_EBDT_TABLE_HH
+
+#include "hb-open-type-private.hh"
+
+namespace OT {
+
+struct SmallGlyphMetrics
+{
+  BYTE height;
+  BYTE width;
+  int8_t bearingX;
+  int8_t bearingY;
+  BYTE advance;
+
+  DEFINE_SIZE_STATIC(5);
+};
+
+struct SBitLineMetrics {
+  int8_t ascender;
+  int8_t decender;
+  BYTE widthMax;
+  int8_t caretSlopeNumerator;
+  int8_t caretSlopeDenominator;
+  int8_t caretOffset;
+  int8_t minOriginSB;
+  int8_t minAdvanceSB;
+  int8_t maxBeforeBL;
+  int8_t minAfterBL;
+  int8_t padding1;
+  int8_t padding2;
+
+  DEFINE_SIZE_STATIC(12);
+};
+
+struct BitmapSizeTable
+{
+  ULONG indexSubtableArrayOffset;
+  ULONG indexTablesSize;
+  ULONG numberOfIndexSubtables;
+  ULONG colorRef;
+  SBitLineMetrics horizontal;
+  SBitLineMetrics vertical;
+  USHORT startGlyphIndex;
+  USHORT endGlyphIndex;
+  BYTE ppemX;
+  BYTE ppemY;
+  BYTE bitDepth;
+  int8_t flags;
+
+  DEFINE_SIZE_STATIC(48);
+};
+
+/*
+ * Index Subtables.
+ */
+struct IndexSubtable
+{
+  USHORT firstGlyphIndex;
+  USHORT lastGlyphIndex;
+  ULONG offsetToSubtable;
+
+  DEFINE_SIZE_STATIC(8);
+};
+
+struct IndexSubHeader
+{
+  USHORT indexFormat;
+  USHORT imageFormat;
+  ULONG imageDataOffset;
+};
+
+struct IndexSubtableFormat1
+{
+  IndexSubHeader header;
+  ULONG offsetArray[VAR];
+};
+
+/*
+ * Glyph Bitmap Data Formats.
+ */
+struct GlyphBitmapDataFormat17
+{
+  SmallGlyphMetrics glyphMetrics;
+  ULONG dataLen;
+  BYTE data[VAR];
+};
+
+struct IndexSubtableArray
+{
+  public:
+  const IndexSubtable* find_table(hb_codepoint_t glyph, unsigned int numTables) const
+  {
+    for (unsigned int i = 0; i < numTables; ++i) {
+      unsigned int firstGlyphIndex = indexSubtables[i].firstGlyphIndex;
+      unsigned int lastGlyphIndex = indexSubtables[i].lastGlyphIndex;
+      if (firstGlyphIndex <= glyph && glyph <= lastGlyphIndex) {
+        return &indexSubtables[i];
+      }
+    }
+    return NULL;
+  }
+
+  protected:
+  IndexSubtable indexSubtables[VAR];
+};
+
+/*
+ * CBLC -- Color Bitmap Location Table
+ */
+
+#define HB_OT_TAG_CBLC HB_TAG('C','B','L','C')
+
+struct CBLC
+{
+  static const hb_tag_t tableTag = HB_OT_TAG_CBLC;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (true);
+  }
+
+  public:
+  const BitmapSizeTable* find_table(hb_codepoint_t glyph) const
+  {
+    // TODO: Make it possible to select strike.
+    const uint32_t tableSize = numSizes;
+    for (uint32_t i = 0; i < tableSize; ++i) {
+      unsigned int startGlyphIndex = sizeTables[i].startGlyphIndex;
+      unsigned int endGlyphIndex = sizeTables[i].endGlyphIndex;
+      if (startGlyphIndex <= glyph && glyph <= endGlyphIndex) {
+        return &sizeTables[i];
+      }
+    }
+    return NULL;
+  }
+
+  protected:
+  ULONG version;
+  ULONG numSizes;
+
+  BitmapSizeTable sizeTables[VAR];
+};
+
+/*
+ * CBDT -- Color Bitmap Data Table
+ */
+#define HB_OT_TAG_CBDT HB_TAG('C','B','D','T')
+
+struct CBDT
+{
+  static const hb_tag_t tableTag = HB_OT_TAG_CBDT;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (true);
+  }
+
+  protected:
+  BYTE data[VAR];
+};
+
+} /* namespace OT */
+
+#endif /* HB_OT_EBDT_TABLE_HH */
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 20f2f8944..d9be19690 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -31,6 +31,7 @@
 #include "hb-font-private.hh"
 
 #include "hb-ot-cmap-table.hh"
+#include "hb-ot-ebdt-table.hh"
 #include "hb-ot-glyf-table.hh"
 #include "hb-ot-head-table.hh"
 #include "hb-ot-hhea-table.hh"
@@ -207,6 +208,96 @@ struct hb_ot_face_glyf_accelerator_t
   }
 };
 
+struct hb_ot_face_ebdt_accelerator_t
+{
+  hb_blob_t *cblc_blob = NULL;
+  hb_blob_t *cbdt_blob = NULL;
+  const OT::CBLC *cblc = NULL;
+  const OT::CBDT *cbdt = NULL;
+
+  float upem = 0.0f;
+
+  inline void init (hb_face_t *face)
+  {
+    this->cblc_blob = OT::Sanitizer<OT::CBLC>::sanitize (face->reference_table (HB_OT_TAG_CBLC));
+    this->cbdt_blob = OT::Sanitizer<OT::CBDT>::sanitize (face->reference_table (HB_OT_TAG_CBDT));
+
+    if (hb_blob_get_length (this->cblc_blob) == 0) {
+      return;  /* Not a bitmap font. */
+    }
+    cblc = OT::Sanitizer<OT::CBLC>::lock_instance (this->cblc_blob);
+    cbdt = OT::Sanitizer<OT::CBDT>::lock_instance (this->cbdt_blob);
+
+    upem = face->get_upem();
+  }
+
+  inline void fini (void)
+  {
+    if (this->cblc_blob) {
+      hb_blob_destroy (this->cblc_blob);
+      hb_blob_destroy (this->cbdt_blob);
+    }
+  }
+
+  inline bool get_extents (hb_codepoint_t glyph, hb_glyph_extents_t *extents) const
+  {
+    if (cblc == NULL) {
+      return false;  // Not a color bitmap font.
+    }
+
+    const OT::BitmapSizeTable* sizeTable = this->cblc->find_table(glyph);
+    if (sizeTable == NULL) {
+      return false;
+    }
+
+    const OT::IndexSubtableArray& subtables =
+            OT::StructAtOffset<OT::IndexSubtableArray> (this->cblc, sizeTable->indexSubtableArrayOffset);
+    const OT::IndexSubtable* subtable = subtables.find_table(glyph, sizeTable->numberOfIndexSubtables);
+    if (subtable == NULL) {
+      return false;
+    }
+
+    unsigned int offsetToSubtable = sizeTable->indexSubtableArrayOffset + subtable->offsetToSubtable;
+    const OT::IndexSubHeader& header =
+            OT::StructAtOffset<OT::IndexSubHeader> (this->cblc, offsetToSubtable);
+
+    unsigned int imageDataOffset = header.imageDataOffset;
+    switch (header.indexFormat) {
+      case 1: {
+        const OT::IndexSubtableFormat1& format1 =
+            OT::StructAtOffset<OT::IndexSubtableFormat1> (this->cblc, offsetToSubtable);
+        imageDataOffset += format1.offsetArray[glyph - subtable->firstGlyphIndex];
+        switch (header.imageFormat) {
+          case 17: {
+            const OT::GlyphBitmapDataFormat17& glyphFormat17 =
+                OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, imageDataOffset);
+            extents->x_bearing = glyphFormat17.glyphMetrics.bearingX;
+            extents->y_bearing = glyphFormat17.glyphMetrics.bearingY;
+            extents->width = glyphFormat17.glyphMetrics.width;
+            extents->height = -glyphFormat17.glyphMetrics.height;
+          }
+          break;
+          default:
+            // TODO: Support other image formats.
+            return false;
+        }
+      }
+      break;
+      default:
+        // TODO: Support other index subtable format.
+        return false;
+    }
+
+    // Convert to the font units.
+    extents->x_bearing *= upem / (float)(sizeTable->ppemX);
+    extents->y_bearing *= upem / (float)(sizeTable->ppemY);
+    extents->width *= upem / (float)(sizeTable->ppemX);
+    extents->height *= upem / (float)(sizeTable->ppemY);
+
+    return true;
+  }
+};
+
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					  hb_codepoint_t codepoint,
 					  hb_codepoint_t *glyph);
@@ -379,6 +470,7 @@ struct hb_ot_font_t
   hb_ot_face_metrics_accelerator_t h_metrics;
   hb_ot_face_metrics_accelerator_t v_metrics;
   hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
+  hb_lazy_loader_t<hb_ot_face_ebdt_accelerator_t> ebdt;
 };
 
 
@@ -395,6 +487,7 @@ _hb_ot_font_create (hb_face_t *face)
   ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_TAG_NONE,
 			   ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
   ot_font->glyf.init (face);
+  ot_font->ebdt.init (face);
 
   return ot_font;
 }
@@ -406,6 +499,7 @@ _hb_ot_font_destroy (hb_ot_font_t *ot_font)
   ot_font->h_metrics.fini ();
   ot_font->v_metrics.fini ();
   ot_font->glyf.fini ();
+  ot_font->ebdt.fini ();
 
   free (ot_font);
 }
@@ -464,6 +558,8 @@ hb_ot_get_glyph_extents (hb_font_t *font HB_UNUSED,
 {
   const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
   bool ret = ot_font->glyf->get_extents (glyph, extents);
+  if ( !ret )
+    ret = ot_font->ebdt->get_extents (glyph, extents);
   extents->x_bearing = font->em_scale_x (extents->x_bearing);
   extents->y_bearing = font->em_scale_y (extents->y_bearing);
   extents->width     = font->em_scale_x (extents->width);

From efca7bf97f9967af4fa399a6665b723af643cecd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Dec 2016 15:11:37 -0800
Subject: [PATCH 0100/1326] Rename 'ebdt' to 'cbdt' since we only support the
 PNG format

---
 src/Makefile.sources                             |  2 +-
 src/{hb-ot-ebdt-table.hh => hb-ot-cbdt-table.hh} |  6 +++---
 src/hb-ot-font.cc                                | 12 ++++++------
 3 files changed, 10 insertions(+), 10 deletions(-)
 rename src/{hb-ot-ebdt-table.hh => hb-ot-cbdt-table.hh} (97%)

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 8d2f3c681..166793aa4 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -20,8 +20,8 @@ HB_BASE_sources = \
 	hb-object-private.hh \
 	hb-open-file-private.hh \
 	hb-open-type-private.hh \
+	hb-ot-cbdt-table.hh \
 	hb-ot-cmap-table.hh \
-	hb-ot-ebdt-table.hh \
 	hb-ot-glyf-table.hh \
 	hb-ot-head-table.hh \
 	hb-ot-hhea-table.hh \
diff --git a/src/hb-ot-ebdt-table.hh b/src/hb-ot-cbdt-table.hh
similarity index 97%
rename from src/hb-ot-ebdt-table.hh
rename to src/hb-ot-cbdt-table.hh
index f3d0de619..17f15dc4f 100644
--- a/src/hb-ot-ebdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -24,8 +24,8 @@
  * Google Author(s): Seigo Nonaka
  */
 
-#ifndef HB_OT_EBDT_TABLE_HH
-#define HB_OT_EBDT_TABLE_HH
+#ifndef HB_OT_CBDT_TABLE_HH
+#define HB_OT_CBDT_TABLE_HH
 
 #include "hb-open-type-private.hh"
 
@@ -190,4 +190,4 @@ struct CBDT
 
 } /* namespace OT */
 
-#endif /* HB_OT_EBDT_TABLE_HH */
+#endif /* HB_OT_CBDT_TABLE_HH */
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index d9be19690..c53fcd519 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -31,7 +31,7 @@
 #include "hb-font-private.hh"
 
 #include "hb-ot-cmap-table.hh"
-#include "hb-ot-ebdt-table.hh"
+#include "hb-ot-cbdt-table.hh"
 #include "hb-ot-glyf-table.hh"
 #include "hb-ot-head-table.hh"
 #include "hb-ot-hhea-table.hh"
@@ -208,7 +208,7 @@ struct hb_ot_face_glyf_accelerator_t
   }
 };
 
-struct hb_ot_face_ebdt_accelerator_t
+struct hb_ot_face_cbdt_accelerator_t
 {
   hb_blob_t *cblc_blob = NULL;
   hb_blob_t *cbdt_blob = NULL;
@@ -470,7 +470,7 @@ struct hb_ot_font_t
   hb_ot_face_metrics_accelerator_t h_metrics;
   hb_ot_face_metrics_accelerator_t v_metrics;
   hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
-  hb_lazy_loader_t<hb_ot_face_ebdt_accelerator_t> ebdt;
+  hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
 };
 
 
@@ -487,7 +487,7 @@ _hb_ot_font_create (hb_face_t *face)
   ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_TAG_NONE,
 			   ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
   ot_font->glyf.init (face);
-  ot_font->ebdt.init (face);
+  ot_font->cbdt.init (face);
 
   return ot_font;
 }
@@ -499,7 +499,7 @@ _hb_ot_font_destroy (hb_ot_font_t *ot_font)
   ot_font->h_metrics.fini ();
   ot_font->v_metrics.fini ();
   ot_font->glyf.fini ();
-  ot_font->ebdt.fini ();
+  ot_font->cbdt.fini ();
 
   free (ot_font);
 }
@@ -559,7 +559,7 @@ hb_ot_get_glyph_extents (hb_font_t *font HB_UNUSED,
   const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
   bool ret = ot_font->glyf->get_extents (glyph, extents);
   if ( !ret )
-    ret = ot_font->ebdt->get_extents (glyph, extents);
+    ret = ot_font->cbdt->get_extents (glyph, extents);
   extents->x_bearing = font->em_scale_x (extents->x_bearing);
   extents->y_bearing = font->em_scale_y (extents->y_bearing);
   extents->width     = font->em_scale_x (extents->width);

From b92ba7bafcd9545a401fb871eb342e6284032c47 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Dec 2016 15:21:43 -0800
Subject: [PATCH 0101/1326] [CBDT] Use CHAR instead of int8_t

---
 src/hb-open-type-private.hh |  1 +
 src/hb-ot-cbdt-table.hh     | 28 ++++++++++++++--------------
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index df683ca4b..6b643784e 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -650,6 +650,7 @@ struct IntType
   DEFINE_SIZE_STATIC (Size);
 };
 
+typedef	IntType<int8_t	, 1> CHAR;	/* 8-bit signed integer. */
 typedef	IntType<uint8_t	, 1> BYTE;	/* 8-bit unsigned integer. */
 typedef IntType<uint16_t, 2> USHORT;	/* 16-bit unsigned integer. */
 typedef IntType<int16_t,  2> SHORT;	/* 16-bit signed integer. */
diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 17f15dc4f..7615138f5 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -35,26 +35,26 @@ struct SmallGlyphMetrics
 {
   BYTE height;
   BYTE width;
-  int8_t bearingX;
-  int8_t bearingY;
+  CHAR bearingX;
+  CHAR bearingY;
   BYTE advance;
 
   DEFINE_SIZE_STATIC(5);
 };
 
 struct SBitLineMetrics {
-  int8_t ascender;
-  int8_t decender;
+  CHAR ascender;
+  CHAR decender;
   BYTE widthMax;
-  int8_t caretSlopeNumerator;
-  int8_t caretSlopeDenominator;
-  int8_t caretOffset;
-  int8_t minOriginSB;
-  int8_t minAdvanceSB;
-  int8_t maxBeforeBL;
-  int8_t minAfterBL;
-  int8_t padding1;
-  int8_t padding2;
+  CHAR caretSlopeNumerator;
+  CHAR caretSlopeDenominator;
+  CHAR caretOffset;
+  CHAR minOriginSB;
+  CHAR minAdvanceSB;
+  CHAR maxBeforeBL;
+  CHAR minAfterBL;
+  CHAR padding1;
+  CHAR padding2;
 
   DEFINE_SIZE_STATIC(12);
 };
@@ -72,7 +72,7 @@ struct BitmapSizeTable
   BYTE ppemX;
   BYTE ppemY;
   BYTE bitDepth;
-  int8_t flags;
+  CHAR flags;
 
   DEFINE_SIZE_STATIC(48);
 };

From 4b58c9e326acde09d389c699014e4e7f6259f50a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Dec 2016 19:25:54 -0800
Subject: [PATCH 0102/1326] [cbdt] Start fixing sanitization (or lack thereof)

---
 src/hb-ot-cbdt-table.hh | 77 ++++++++++++++++++++++++++++++-----------
 src/hb-ot-font.cc       | 22 ++++++------
 2 files changed, 68 insertions(+), 31 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 7615138f5..dda42f257 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -33,6 +33,12 @@ namespace OT {
 
 struct SmallGlyphMetrics
 {
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
   BYTE height;
   BYTE width;
   CHAR bearingX;
@@ -42,7 +48,14 @@ struct SmallGlyphMetrics
   DEFINE_SIZE_STATIC(5);
 };
 
-struct SBitLineMetrics {
+struct SBitLineMetrics
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
   CHAR ascender;
   CHAR decender;
   BYTE widthMax;
@@ -61,6 +74,14 @@ struct SBitLineMetrics {
 
 struct BitmapSizeTable
 {
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  horizontal.sanitize (c) &&
+		  vertical.sanitize (c));
+  }
+
   ULONG indexSubtableArrayOffset;
   ULONG indexTablesSize;
   ULONG numberOfIndexSubtables;
@@ -94,41 +115,49 @@ struct IndexSubHeader
   USHORT indexFormat;
   USHORT imageFormat;
   ULONG imageDataOffset;
+
+  DEFINE_SIZE_STATIC(8);
 };
 
 struct IndexSubtableFormat1
 {
   IndexSubHeader header;
-  ULONG offsetArray[VAR];
+  ULONG offsetArrayZ[VAR];
+
+  DEFINE_SIZE_ARRAY(8, offsetArrayZ);
 };
 
 /*
  * Glyph Bitmap Data Formats.
  */
+
 struct GlyphBitmapDataFormat17
 {
   SmallGlyphMetrics glyphMetrics;
   ULONG dataLen;
-  BYTE data[VAR];
+  BYTE dataZ[VAR];
+
+  DEFINE_SIZE_ARRAY(9, dataZ);
 };
 
 struct IndexSubtableArray
 {
   public:
-  const IndexSubtable* find_table(hb_codepoint_t glyph, unsigned int numTables) const
+  const IndexSubtable* find_table (hb_codepoint_t glyph, unsigned int numTables) const
   {
-    for (unsigned int i = 0; i < numTables; ++i) {
-      unsigned int firstGlyphIndex = indexSubtables[i].firstGlyphIndex;
-      unsigned int lastGlyphIndex = indexSubtables[i].lastGlyphIndex;
+    for (unsigned int i = 0; i < numTables; ++i)
+    {
+      unsigned int firstGlyphIndex = indexSubtablesZ[i].firstGlyphIndex;
+      unsigned int lastGlyphIndex = indexSubtablesZ[i].lastGlyphIndex;
       if (firstGlyphIndex <= glyph && glyph <= lastGlyphIndex) {
-        return &indexSubtables[i];
+        return &indexSubtablesZ[i];
       }
     }
     return NULL;
   }
 
   protected:
-  IndexSubtable indexSubtables[VAR];
+  IndexSubtable indexSubtablesZ[VAR];
 };
 
 /*
@@ -144,17 +173,19 @@ struct CBLC
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (true);
+    return_trace (c->check_struct (this) &&
+		  likely (version.major == 2 || version.major == 3) &&
+		  sizeTables.sanitize (c));
   }
 
   public:
-  const BitmapSizeTable* find_table(hb_codepoint_t glyph) const
+  const BitmapSizeTable* find_table (hb_codepoint_t glyph) const
   {
     // TODO: Make it possible to select strike.
-    const uint32_t tableSize = numSizes;
-    for (uint32_t i = 0; i < tableSize; ++i) {
-      unsigned int startGlyphIndex = sizeTables[i].startGlyphIndex;
-      unsigned int endGlyphIndex = sizeTables[i].endGlyphIndex;
+    unsigned int count = sizeTables.len;
+    for (uint32_t i = 0; i < count; ++i) {
+      unsigned int startGlyphIndex = sizeTables.array[i].startGlyphIndex;
+      unsigned int endGlyphIndex = sizeTables.array[i].endGlyphIndex;
       if (startGlyphIndex <= glyph && glyph <= endGlyphIndex) {
         return &sizeTables[i];
       }
@@ -163,10 +194,11 @@ struct CBLC
   }
 
   protected:
-  ULONG version;
-  ULONG numSizes;
+  FixedVersion<>version;
+  ArrayOf<BitmapSizeTable, ULONG> sizeTables;
 
-  BitmapSizeTable sizeTables[VAR];
+  public:
+  DEFINE_SIZE_ARRAY(8, sizeTables);
 };
 
 /*
@@ -181,11 +213,16 @@ struct CBDT
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (true);
+    return_trace (c->check_struct (this) &&
+		  likely (version.major == 2 || version.major == 3));
   }
 
   protected:
-  BYTE data[VAR];
+  FixedVersion<>version;
+  BYTE dataZ[VAR];
+
+  public:
+  DEFINE_SIZE_ARRAY(4, dataZ);
 };
 
 } /* namespace OT */
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index c53fcd519..25a1ef6c3 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -210,10 +210,10 @@ struct hb_ot_face_glyf_accelerator_t
 
 struct hb_ot_face_cbdt_accelerator_t
 {
-  hb_blob_t *cblc_blob = NULL;
-  hb_blob_t *cbdt_blob = NULL;
-  const OT::CBLC *cblc = NULL;
-  const OT::CBDT *cbdt = NULL;
+  hb_blob_t *cblc_blob;
+  hb_blob_t *cbdt_blob;
+  const OT::CBLC *cblc;
+  const OT::CBDT *cbdt;
 
   float upem = 0.0f;
 
@@ -223,6 +223,8 @@ struct hb_ot_face_cbdt_accelerator_t
     this->cbdt_blob = OT::Sanitizer<OT::CBDT>::sanitize (face->reference_table (HB_OT_TAG_CBDT));
 
     if (hb_blob_get_length (this->cblc_blob) == 0) {
+      cblc = NULL;
+      cbdt = NULL;
       return;  /* Not a bitmap font. */
     }
     cblc = OT::Sanitizer<OT::CBLC>::lock_instance (this->cblc_blob);
@@ -233,10 +235,8 @@ struct hb_ot_face_cbdt_accelerator_t
 
   inline void fini (void)
   {
-    if (this->cblc_blob) {
-      hb_blob_destroy (this->cblc_blob);
-      hb_blob_destroy (this->cbdt_blob);
-    }
+    hb_blob_destroy (this->cblc_blob);
+    hb_blob_destroy (this->cbdt_blob);
   }
 
   inline bool get_extents (hb_codepoint_t glyph, hb_glyph_extents_t *extents) const
@@ -266,7 +266,7 @@ struct hb_ot_face_cbdt_accelerator_t
       case 1: {
         const OT::IndexSubtableFormat1& format1 =
             OT::StructAtOffset<OT::IndexSubtableFormat1> (this->cblc, offsetToSubtable);
-        imageDataOffset += format1.offsetArray[glyph - subtable->firstGlyphIndex];
+        imageDataOffset += format1.offsetArrayZ[glyph - subtable->firstGlyphIndex];
         switch (header.imageFormat) {
           case 17: {
             const OT::GlyphBitmapDataFormat17& glyphFormat17 =
@@ -288,7 +288,7 @@ struct hb_ot_face_cbdt_accelerator_t
         return false;
     }
 
-    // Convert to the font units.
+    /* Convert to the font units. */
     extents->x_bearing *= upem / (float)(sizeTable->ppemX);
     extents->y_bearing *= upem / (float)(sizeTable->ppemY);
     extents->width *= upem / (float)(sizeTable->ppemX);
@@ -558,7 +558,7 @@ hb_ot_get_glyph_extents (hb_font_t *font HB_UNUSED,
 {
   const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
   bool ret = ot_font->glyf->get_extents (glyph, extents);
-  if ( !ret )
+  if (!ret)
     ret = ot_font->cbdt->get_extents (glyph, extents);
   extents->x_bearing = font->em_scale_x (extents->x_bearing);
   extents->y_bearing = font->em_scale_y (extents->y_bearing);

From 70eb2ff682344688635cebb716fee0b73557c925 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Dec 2016 19:51:23 -0800
Subject: [PATCH 0103/1326] Check for offset overflows during sanitize

---
 src/hb-open-type-private.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 6b643784e..66f1c08df 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -806,6 +806,7 @@ struct OffsetTo : Offset<OffsetType>
     if (unlikely (!c->check_struct (this))) return_trace (false);
     unsigned int offset = *this;
     if (unlikely (!offset)) return_trace (true);
+    if (unlikely (!c->check_range (base, offset))) return_trace (false);
     const Type &obj = StructAtOffset<Type> (base, offset);
     return_trace (likely (obj.sanitize (c)) || neuter (c));
   }
@@ -816,6 +817,7 @@ struct OffsetTo : Offset<OffsetType>
     if (unlikely (!c->check_struct (this))) return_trace (false);
     unsigned int offset = *this;
     if (unlikely (!offset)) return_trace (true);
+    if (unlikely (!c->check_range (base, offset))) return_trace (false);
     const Type &obj = StructAtOffset<Type> (base, offset);
     return_trace (likely (obj.sanitize (c, user_data)) || neuter (c));
   }

From ce09e90e1502d5f944bafd64e51c29e365a963ae Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Dec 2016 20:12:57 -0800
Subject: [PATCH 0104/1326] [cbdt] More sanitize work

---
 src/hb-ot-cbdt-table.hh | 65 ++++++++++++++++++++++++-----------------
 src/hb-ot-font.cc       | 46 ++++++++++++++++-------------
 2 files changed, 63 insertions(+), 48 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index dda42f257..3a7cc997d 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -72,32 +72,6 @@ struct SBitLineMetrics
   DEFINE_SIZE_STATIC(12);
 };
 
-struct BitmapSizeTable
-{
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-		  horizontal.sanitize (c) &&
-		  vertical.sanitize (c));
-  }
-
-  ULONG indexSubtableArrayOffset;
-  ULONG indexTablesSize;
-  ULONG numberOfIndexSubtables;
-  ULONG colorRef;
-  SBitLineMetrics horizontal;
-  SBitLineMetrics vertical;
-  USHORT startGlyphIndex;
-  USHORT endGlyphIndex;
-  BYTE ppemX;
-  BYTE ppemY;
-  BYTE bitDepth;
-  CHAR flags;
-
-  DEFINE_SIZE_STATIC(48);
-};
-
 /*
  * Index Subtables.
  */
@@ -142,6 +116,12 @@ struct GlyphBitmapDataFormat17
 
 struct IndexSubtableArray
 {
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this)); // XXX
+  }
+
   public:
   const IndexSubtable* find_table (hb_codepoint_t glyph, unsigned int numTables) const
   {
@@ -158,6 +138,37 @@ struct IndexSubtableArray
 
   protected:
   IndexSubtable indexSubtablesZ[VAR];
+
+  public:
+  DEFINE_SIZE_ARRAY(0, indexSubtablesZ);
+};
+
+struct BitmapSizeTable
+{
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  indexSubtableArrayOffset.sanitize (c, base, numberOfIndexSubtables) &&
+		  c->check_range (&(base+indexSubtableArrayOffset), indexTablesSize) &&
+		  horizontal.sanitize (c) &&
+		  vertical.sanitize (c));
+  }
+
+  OffsetTo<IndexSubtableArray, ULONG> indexSubtableArrayOffset;
+  ULONG indexTablesSize;
+  ULONG numberOfIndexSubtables;
+  ULONG colorRef;
+  SBitLineMetrics horizontal;
+  SBitLineMetrics vertical;
+  USHORT startGlyphIndex;
+  USHORT endGlyphIndex;
+  BYTE ppemX;
+  BYTE ppemY;
+  BYTE bitDepth;
+  CHAR flags;
+
+  DEFINE_SIZE_STATIC(48);
 };
 
 /*
@@ -175,7 +186,7 @@ struct CBLC
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
 		  likely (version.major == 2 || version.major == 3) &&
-		  sizeTables.sanitize (c));
+		  sizeTables.sanitize (c, this));
   }
 
   public:
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 25a1ef6c3..2d1cf09a7 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -262,30 +262,34 @@ struct hb_ot_face_cbdt_accelerator_t
             OT::StructAtOffset<OT::IndexSubHeader> (this->cblc, offsetToSubtable);
 
     unsigned int imageDataOffset = header.imageDataOffset;
-    switch (header.indexFormat) {
-      case 1: {
-        const OT::IndexSubtableFormat1& format1 =
-            OT::StructAtOffset<OT::IndexSubtableFormat1> (this->cblc, offsetToSubtable);
-        imageDataOffset += format1.offsetArrayZ[glyph - subtable->firstGlyphIndex];
-        switch (header.imageFormat) {
-          case 17: {
-            const OT::GlyphBitmapDataFormat17& glyphFormat17 =
-                OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, imageDataOffset);
-            extents->x_bearing = glyphFormat17.glyphMetrics.bearingX;
-            extents->y_bearing = glyphFormat17.glyphMetrics.bearingY;
-            extents->width = glyphFormat17.glyphMetrics.width;
-            extents->height = -glyphFormat17.glyphMetrics.height;
-          }
-          break;
-          default:
-            // TODO: Support other image formats.
-            return false;
-        }
+    switch (header.indexFormat)
+    {
+      case 1:
+	{
+	  const OT::IndexSubtableFormat1& format1 =
+	      OT::StructAtOffset<OT::IndexSubtableFormat1> (this->cblc, offsetToSubtable);
+	  imageDataOffset += format1.offsetArrayZ[glyph - subtable->firstGlyphIndex];
+	}
+	break;
+      default:
+	// TODO: Support other index subtable format.
+	return false;
+    }
+
+    switch (header.imageFormat)
+    {
+      case 17: {
+	const OT::GlyphBitmapDataFormat17& glyphFormat17 =
+	    OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, imageDataOffset);
+	extents->x_bearing = glyphFormat17.glyphMetrics.bearingX;
+	extents->y_bearing = glyphFormat17.glyphMetrics.bearingY;
+	extents->width = glyphFormat17.glyphMetrics.width;
+	extents->height = -glyphFormat17.glyphMetrics.height;
       }
       break;
       default:
-        // TODO: Support other index subtable format.
-        return false;
+	// TODO: Support other image formats.
+	return false;
     }
 
     /* Convert to the font units. */

From d495fc5e38038f4cfb20425b1109324fa70bf2f9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Dec 2016 21:36:42 -0800
Subject: [PATCH 0105/1326] [cbdt] Clean up some more

Almost there..
---
 src/hb-ot-cbdt-table.hh | 134 +++++++++++++++++++++++++++++++++++-----
 src/hb-ot-font.cc       |  38 ++++--------
 2 files changed, 131 insertions(+), 41 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 3a7cc997d..431906775 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -39,6 +39,14 @@ struct SmallGlyphMetrics
     return_trace (c->check_struct (this));
   }
 
+  inline void get_extents (hb_glyph_extents_t *extents) const
+  {
+    extents->x_bearing = bearingX;
+    extents->y_bearing = bearingY;
+    extents->width = width;
+    extents->height = height;
+  }
+
   BYTE height;
   BYTE width;
   CHAR bearingX;
@@ -75,17 +83,14 @@ struct SBitLineMetrics
 /*
  * Index Subtables.
  */
-struct IndexSubtable
+struct IndexSubtableHeader
 {
-  USHORT firstGlyphIndex;
-  USHORT lastGlyphIndex;
-  ULONG offsetToSubtable;
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
 
-  DEFINE_SIZE_STATIC(8);
-};
-
-struct IndexSubHeader
-{
   USHORT indexFormat;
   USHORT imageFormat;
   ULONG imageDataOffset;
@@ -95,12 +100,108 @@ struct IndexSubHeader
 
 struct IndexSubtableFormat1
 {
-  IndexSubHeader header;
-  ULONG offsetArrayZ[VAR];
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int glyph_count) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  c->check_array (offsetArrayZ, offsetArrayZ[0].static_size, glyph_count + 1));
+  }
+
+  bool get_image_data (unsigned int idx,
+		       unsigned int *offset,
+		       unsigned int *length) const
+  {
+    if (unlikely (offsetArrayZ[idx + 1] <= offsetArrayZ[idx]))
+      return false;
+
+    *offset = header.imageDataOffset + offsetArrayZ[idx];
+    *length = offsetArrayZ[idx + 1] - offsetArrayZ[idx];
+    return true;
+  }
+
+  IndexSubtableHeader header;
+  Offset<ULONG> offsetArrayZ[VAR];
 
   DEFINE_SIZE_ARRAY(8, offsetArrayZ);
 };
 
+struct IndexSubtable
+{
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int glyph_count) const
+  {
+    TRACE_SANITIZE (this);
+    if (!u.header.sanitize (c)) return_trace (false);
+    switch (u.header.indexFormat) {
+    case 1: return_trace (u.format1.sanitize (c, glyph_count));
+    default:return_trace (true);
+    }
+  }
+
+  inline bool get_extents (hb_glyph_extents_t *extents) const
+  {
+    switch (u.header.indexFormat) {
+    case 2: case 5: /* TODO */
+    case 1: case 3: case 4: /* Variable-metrics formats do not have metrics here. */
+    default:return (false);
+    }
+  }
+
+  bool get_image_data (unsigned int idx,
+		       unsigned int *offset,
+		       unsigned int *length,
+		       unsigned int *format) const
+  {
+    *format = u.header.imageFormat;
+    switch (u.header.indexFormat) {
+    case 1: return u.format1.get_image_data (idx, offset, length);
+    default: return false;
+    }
+  }
+
+  protected:
+  union {
+  IndexSubtableHeader	header;
+  IndexSubtableFormat1	format1;
+  } u;
+  public:
+  DEFINE_SIZE_UNION (8, header);
+};
+
+struct IndexSubtableRecord
+{
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  firstGlyphIndex <= lastGlyphIndex &&
+		  offsetToSubtable.sanitize (c, this, lastGlyphIndex - firstGlyphIndex + 1));
+  }
+
+  inline bool get_extents (hb_glyph_extents_t *extents) const
+  {
+    return (this+offsetToSubtable).get_extents (extents);
+  }
+
+  bool get_image_data (unsigned int gid,
+		       unsigned int *offset,
+		       unsigned int *length,
+		       unsigned int *format) const
+  {
+    if (gid < firstGlyphIndex || gid > lastGlyphIndex)
+    {
+      return false;
+    }
+    return (this+offsetToSubtable).get_image_data (gid - firstGlyphIndex,
+						   offset, length, format);
+  }
+
+  USHORT firstGlyphIndex;
+  USHORT lastGlyphIndex;
+  OffsetTo<IndexSubtable, ULONG> offsetToSubtable;
+
+  DEFINE_SIZE_STATIC(8);
+};
+
 /*
  * Glyph Bitmap Data Formats.
  */
@@ -119,11 +220,16 @@ struct IndexSubtableArray
   inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this)); // XXX
+    if (unlikely (!c->check_array (&indexSubtablesZ, indexSubtablesZ[0].static_size, sizeof (count))))
+      return_trace (false);
+    for (unsigned int i = 0; i < count; i++)
+      if (unlikely (!indexSubtablesZ[i].sanitize (c, this)))
+	return_trace (false);
+    return_trace (true);
   }
 
   public:
-  const IndexSubtable* find_table (hb_codepoint_t glyph, unsigned int numTables) const
+  const IndexSubtableRecord* find_table (hb_codepoint_t glyph, unsigned int numTables) const
   {
     for (unsigned int i = 0; i < numTables; ++i)
     {
@@ -137,7 +243,7 @@ struct IndexSubtableArray
   }
 
   protected:
-  IndexSubtable indexSubtablesZ[VAR];
+  IndexSubtableRecord indexSubtablesZ[VAR];
 
   public:
   DEFINE_SIZE_ARRAY(0, indexSubtablesZ);
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 2d1cf09a7..5e02170f1 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -250,41 +250,25 @@ struct hb_ot_face_cbdt_accelerator_t
       return false;
     }
 
-    const OT::IndexSubtableArray& subtables =
-            OT::StructAtOffset<OT::IndexSubtableArray> (this->cblc, sizeTable->indexSubtableArrayOffset);
-    const OT::IndexSubtable* subtable = subtables.find_table(glyph, sizeTable->numberOfIndexSubtables);
-    if (subtable == NULL) {
+    const OT::IndexSubtableArray& subtables = this->cblc + sizeTable->indexSubtableArrayOffset;
+    const OT::IndexSubtableRecord *subtable_record = subtables.find_table (glyph, sizeTable->numberOfIndexSubtables);
+    if (subtable_record == NULL) {
       return false;
     }
 
-    unsigned int offsetToSubtable = sizeTable->indexSubtableArrayOffset + subtable->offsetToSubtable;
-    const OT::IndexSubHeader& header =
-            OT::StructAtOffset<OT::IndexSubHeader> (this->cblc, offsetToSubtable);
+    if (subtable_record->get_extents (extents))
+      return true;
 
-    unsigned int imageDataOffset = header.imageDataOffset;
-    switch (header.indexFormat)
-    {
-      case 1:
-	{
-	  const OT::IndexSubtableFormat1& format1 =
-	      OT::StructAtOffset<OT::IndexSubtableFormat1> (this->cblc, offsetToSubtable);
-	  imageDataOffset += format1.offsetArrayZ[glyph - subtable->firstGlyphIndex];
-	}
-	break;
-      default:
-	// TODO: Support other index subtable format.
-	return false;
-    }
+    unsigned int image_offset = 0, image_length = 0, image_format = 0;
+    if (!subtable_record->get_image_data (glyph, &image_offset, &image_length, &image_format))
+      return false;
 
-    switch (header.imageFormat)
+    switch (image_format)
     {
       case 17: {
 	const OT::GlyphBitmapDataFormat17& glyphFormat17 =
-	    OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, imageDataOffset);
-	extents->x_bearing = glyphFormat17.glyphMetrics.bearingX;
-	extents->y_bearing = glyphFormat17.glyphMetrics.bearingY;
-	extents->width = glyphFormat17.glyphMetrics.width;
-	extents->height = -glyphFormat17.glyphMetrics.height;
+	    OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, image_offset);
+	glyphFormat17.glyphMetrics.get_extents (extents);
       }
       break;
       default:

From c27d6fcf8db6f02e075dd1868ae67d878fff39d4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Dec 2016 22:43:05 -0800
Subject: [PATCH 0106/1326] [cbdt] Last of sanitization fixes

Should be all good now..
---
 src/hb-ot-font.cc | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 5e02170f1..1a2d3829e 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -215,22 +215,25 @@ struct hb_ot_face_cbdt_accelerator_t
   const OT::CBLC *cblc;
   const OT::CBDT *cbdt;
 
-  float upem = 0.0f;
+  unsigned int cbdt_len;
+  float upem;
 
   inline void init (hb_face_t *face)
   {
-    this->cblc_blob = OT::Sanitizer<OT::CBLC>::sanitize (face->reference_table (HB_OT_TAG_CBLC));
-    this->cbdt_blob = OT::Sanitizer<OT::CBDT>::sanitize (face->reference_table (HB_OT_TAG_CBDT));
+    upem = face->get_upem();
 
-    if (hb_blob_get_length (this->cblc_blob) == 0) {
+    cblc_blob = OT::Sanitizer<OT::CBLC>::sanitize (face->reference_table (HB_OT_TAG_CBLC));
+    cbdt_blob = OT::Sanitizer<OT::CBDT>::sanitize (face->reference_table (HB_OT_TAG_CBDT));
+    cbdt_len = hb_blob_get_length (cbdt_blob);
+
+    if (hb_blob_get_length (cblc_blob) == 0) {
       cblc = NULL;
       cbdt = NULL;
       return;  /* Not a bitmap font. */
     }
-    cblc = OT::Sanitizer<OT::CBLC>::lock_instance (this->cblc_blob);
-    cbdt = OT::Sanitizer<OT::CBDT>::lock_instance (this->cbdt_blob);
+    cblc = OT::Sanitizer<OT::CBLC>::lock_instance (cblc_blob);
+    cbdt = OT::Sanitizer<OT::CBDT>::lock_instance (cbdt_blob);
 
-    upem = face->get_upem();
   }
 
   inline void fini (void)
@@ -263,9 +266,15 @@ struct hb_ot_face_cbdt_accelerator_t
     if (!subtable_record->get_image_data (glyph, &image_offset, &image_length, &image_format))
       return false;
 
+    if (unlikely (image_offset > cbdt_len || cbdt_len - image_offset < image_length))
+      return false;
+
     switch (image_format)
     {
       case 17: {
+	if (unlikely (image_length < OT::GlyphBitmapDataFormat17::min_size))
+	  return false;
+
 	const OT::GlyphBitmapDataFormat17& glyphFormat17 =
 	    OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, image_offset);
 	glyphFormat17.glyphMetrics.get_extents (extents);

From 654f9ab0d8d5ee032b5da763e34e7b1f454416b9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Dec 2016 18:56:24 -0800
Subject: [PATCH 0107/1326] [cbdt] Fix sign bug

Was introduced in d495fc5e38038f4cfb20425b1109324fa70bf2f9
---
 src/hb-ot-cbdt-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 431906775..2043a2529 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -44,7 +44,7 @@ struct SmallGlyphMetrics
     extents->x_bearing = bearingX;
     extents->y_bearing = bearingY;
     extents->width = width;
-    extents->height = height;
+    extents->height = -height;
   }
 
   BYTE height;

From 9eda74c92c9024ffb8ec6e9344c99d51dd763f0c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Dec 2016 19:12:52 -0800
Subject: [PATCH 0108/1326] [cbdt] Move some more code around

---
 src/hb-ot-cbdt-table.hh | 61 ++++++++++++++++++++++++++++-------------
 src/hb-ot-font.cc       | 18 +++++-------
 2 files changed, 49 insertions(+), 30 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 2043a2529..4770cf3f1 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -80,9 +80,11 @@ struct SBitLineMetrics
   DEFINE_SIZE_STATIC(12);
 };
 
+
 /*
  * Index Subtables.
  */
+
 struct IndexSubtableHeader
 {
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -202,19 +204,6 @@ struct IndexSubtableRecord
   DEFINE_SIZE_STATIC(8);
 };
 
-/*
- * Glyph Bitmap Data Formats.
- */
-
-struct GlyphBitmapDataFormat17
-{
-  SmallGlyphMetrics glyphMetrics;
-  ULONG dataLen;
-  BYTE dataZ[VAR];
-
-  DEFINE_SIZE_ARRAY(9, dataZ);
-};
-
 struct IndexSubtableArray
 {
   inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
@@ -251,6 +240,8 @@ struct IndexSubtableArray
 
 struct BitmapSizeTable
 {
+  friend struct CBLC;
+
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
@@ -261,6 +252,12 @@ struct BitmapSizeTable
 		  vertical.sanitize (c));
   }
 
+  const IndexSubtableRecord *find_table (hb_codepoint_t glyph, const void *base) const
+  {
+    return (base+indexSubtableArrayOffset).find_table (glyph, numberOfIndexSubtables);
+  }
+
+  protected:
   OffsetTo<IndexSubtableArray, ULONG> indexSubtableArrayOffset;
   ULONG indexTablesSize;
   ULONG numberOfIndexSubtables;
@@ -274,9 +271,25 @@ struct BitmapSizeTable
   BYTE bitDepth;
   CHAR flags;
 
+public:
   DEFINE_SIZE_STATIC(48);
 };
 
+
+/*
+ * Glyph Bitmap Data Formats.
+ */
+
+struct GlyphBitmapDataFormat17
+{
+  SmallGlyphMetrics glyphMetrics;
+  ULONG dataLen;
+  BYTE dataZ[VAR];
+
+  DEFINE_SIZE_ARRAY(9, dataZ);
+};
+
+
 /*
  * CBLC -- Color Bitmap Location Table
  */
@@ -296,18 +309,28 @@ struct CBLC
   }
 
   public:
-  const BitmapSizeTable* find_table (hb_codepoint_t glyph) const
+  const IndexSubtableRecord *find_table (hb_codepoint_t glyph,
+					 unsigned int *x_ppem, unsigned int *y_ppem) const
   {
-    // TODO: Make it possible to select strike.
+    /* TODO: Make it possible to select strike. */
+
+    const BitmapSizeTable *sizeTable = &Null(BitmapSizeTable);
     unsigned int count = sizeTables.len;
-    for (uint32_t i = 0; i < count; ++i) {
+    for (uint32_t i = 0; i < count; ++i)
+    {
       unsigned int startGlyphIndex = sizeTables.array[i].startGlyphIndex;
       unsigned int endGlyphIndex = sizeTables.array[i].endGlyphIndex;
-      if (startGlyphIndex <= glyph && glyph <= endGlyphIndex) {
-        return &sizeTables[i];
+      if (startGlyphIndex <= glyph && glyph <= endGlyphIndex)
+      {
+	sizeTable = &sizeTables[i];
+	break;
       }
     }
-    return NULL;
+
+    *x_ppem = sizeTable->ppemX;
+    *y_ppem = sizeTable->ppemY;
+
+    return sizeTable->find_table (glyph, this);
   }
 
   protected:
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 1a2d3829e..1b6cea438 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -244,17 +244,13 @@ struct hb_ot_face_cbdt_accelerator_t
 
   inline bool get_extents (hb_codepoint_t glyph, hb_glyph_extents_t *extents) const
   {
+    unsigned int x_ppem = upem, y_ppem = upem; /* TODO Use font ppem if available. */
+
     if (cblc == NULL) {
       return false;  // Not a color bitmap font.
     }
 
-    const OT::BitmapSizeTable* sizeTable = this->cblc->find_table(glyph);
-    if (sizeTable == NULL) {
-      return false;
-    }
-
-    const OT::IndexSubtableArray& subtables = this->cblc + sizeTable->indexSubtableArrayOffset;
-    const OT::IndexSubtableRecord *subtable_record = subtables.find_table (glyph, sizeTable->numberOfIndexSubtables);
+    const OT::IndexSubtableRecord *subtable_record = this->cblc->find_table(glyph, &x_ppem, &y_ppem);
     if (subtable_record == NULL) {
       return false;
     }
@@ -286,10 +282,10 @@ struct hb_ot_face_cbdt_accelerator_t
     }
 
     /* Convert to the font units. */
-    extents->x_bearing *= upem / (float)(sizeTable->ppemX);
-    extents->y_bearing *= upem / (float)(sizeTable->ppemY);
-    extents->width *= upem / (float)(sizeTable->ppemX);
-    extents->height *= upem / (float)(sizeTable->ppemY);
+    extents->x_bearing *= upem / (float) x_ppem;
+    extents->y_bearing *= upem / (float) y_ppem;
+    extents->width *= upem / (float) x_ppem;
+    extents->height *= upem / (float) y_ppem;
 
     return true;
   }

From a141d1da9bb0f91521a9a7749f9533c75cfe6a2f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Dec 2016 19:26:54 -0800
Subject: [PATCH 0109/1326] [CBDT] Implement IndexSubtableFormat3

---
 src/hb-ot-cbdt-table.hh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 4770cf3f1..3bf579480 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -100,7 +100,8 @@ struct IndexSubtableHeader
   DEFINE_SIZE_STATIC(8);
 };
 
-struct IndexSubtableFormat1
+template <typename OffsetType>
+struct IndexSubtableFormat1Or3
 {
   inline bool sanitize (hb_sanitize_context_t *c, unsigned int glyph_count) const
   {
@@ -122,11 +123,14 @@ struct IndexSubtableFormat1
   }
 
   IndexSubtableHeader header;
-  Offset<ULONG> offsetArrayZ[VAR];
+  Offset<OffsetType> offsetArrayZ[VAR];
 
   DEFINE_SIZE_ARRAY(8, offsetArrayZ);
 };
 
+struct IndexSubtableFormat1 : IndexSubtableFormat1Or3<ULONG> {};
+struct IndexSubtableFormat3 : IndexSubtableFormat1Or3<USHORT> {};
+
 struct IndexSubtable
 {
   inline bool sanitize (hb_sanitize_context_t *c, unsigned int glyph_count) const
@@ -135,6 +139,7 @@ struct IndexSubtable
     if (!u.header.sanitize (c)) return_trace (false);
     switch (u.header.indexFormat) {
     case 1: return_trace (u.format1.sanitize (c, glyph_count));
+    case 3: return_trace (u.format3.sanitize (c, glyph_count));
     default:return_trace (true);
     }
   }
@@ -156,6 +161,7 @@ struct IndexSubtable
     *format = u.header.imageFormat;
     switch (u.header.indexFormat) {
     case 1: return u.format1.get_image_data (idx, offset, length);
+    case 3: return u.format3.get_image_data (idx, offset, length);
     default: return false;
     }
   }
@@ -164,6 +170,7 @@ struct IndexSubtable
   union {
   IndexSubtableHeader	header;
   IndexSubtableFormat1	format1;
+  IndexSubtableFormat3	format3;
   } u;
   public:
   DEFINE_SIZE_UNION (8, header);

From b7068af423dba30fd831041aabf4b805d26fe349 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Dec 2016 19:36:30 -0800
Subject: [PATCH 0110/1326] [CBDT] Fix thinko!

---
 src/hb-ot-cbdt-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 3bf579480..7269688ee 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -216,7 +216,7 @@ struct IndexSubtableArray
   inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
   {
     TRACE_SANITIZE (this);
-    if (unlikely (!c->check_array (&indexSubtablesZ, indexSubtablesZ[0].static_size, sizeof (count))))
+    if (unlikely (!c->check_array (&indexSubtablesZ, indexSubtablesZ[0].static_size, count)))
       return_trace (false);
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!indexSubtablesZ[i].sanitize (c, this)))

From e4bfccfb2a0f425ff69b0a50ca8a4731c4001069 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Dec 2016 19:43:33 -0800
Subject: [PATCH 0111/1326] [CBDT] Minor

---
 src/hb-ot-cbdt-table.hh | 21 ++++++++++++++-------
 src/hb-ot-font.cc       | 38 ++++++++++++++++++++------------------
 2 files changed, 34 insertions(+), 25 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 7269688ee..52897abd3 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -56,6 +56,15 @@ struct SmallGlyphMetrics
   DEFINE_SIZE_STATIC(5);
 };
 
+struct BigGlyphMetrics : SmallGlyphMetrics
+{
+  CHAR vertBearingX;
+  CHAR vertBearingY;
+  BYTE vertAdvance;
+
+  DEFINE_SIZE_STATIC(8);
+};
+
 struct SBitLineMetrics
 {
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -171,6 +180,7 @@ struct IndexSubtable
   IndexSubtableHeader	header;
   IndexSubtableFormat1	format1;
   IndexSubtableFormat3	format3;
+  /* TODO: Format 2, 4, 5. */
   } u;
   public:
   DEFINE_SIZE_UNION (8, header);
@@ -321,7 +331,6 @@ struct CBLC
   {
     /* TODO: Make it possible to select strike. */
 
-    const BitmapSizeTable *sizeTable = &Null(BitmapSizeTable);
     unsigned int count = sizeTables.len;
     for (uint32_t i = 0; i < count; ++i)
     {
@@ -329,15 +338,13 @@ struct CBLC
       unsigned int endGlyphIndex = sizeTables.array[i].endGlyphIndex;
       if (startGlyphIndex <= glyph && glyph <= endGlyphIndex)
       {
-	sizeTable = &sizeTables[i];
-	break;
+	*x_ppem = sizeTables[i].ppemX;
+	*y_ppem = sizeTables[i].ppemY;
+	return sizeTables[i].find_table (glyph, this);
       }
     }
 
-    *x_ppem = sizeTable->ppemX;
-    *y_ppem = sizeTable->ppemY;
-
-    return sizeTable->find_table (glyph, this);
+    return NULL;
   }
 
   protected:
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 1b6cea438..df01bc9fa 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -246,14 +246,12 @@ struct hb_ot_face_cbdt_accelerator_t
   {
     unsigned int x_ppem = upem, y_ppem = upem; /* TODO Use font ppem if available. */
 
-    if (cblc == NULL) {
+    if (cblc == NULL)
       return false;  // Not a color bitmap font.
-    }
 
     const OT::IndexSubtableRecord *subtable_record = this->cblc->find_table(glyph, &x_ppem, &y_ppem);
-    if (subtable_record == NULL) {
+    if (subtable_record == NULL)
       return false;
-    }
 
     if (subtable_record->get_extents (extents))
       return true;
@@ -262,23 +260,27 @@ struct hb_ot_face_cbdt_accelerator_t
     if (!subtable_record->get_image_data (glyph, &image_offset, &image_length, &image_format))
       return false;
 
-    if (unlikely (image_offset > cbdt_len || cbdt_len - image_offset < image_length))
-      return false;
-
-    switch (image_format)
     {
-      case 17: {
-	if (unlikely (image_length < OT::GlyphBitmapDataFormat17::min_size))
-	  return false;
+      /* TODO Move the following into CBDT struct when adding more formats. */
 
-	const OT::GlyphBitmapDataFormat17& glyphFormat17 =
-	    OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, image_offset);
-	glyphFormat17.glyphMetrics.get_extents (extents);
-      }
-      break;
-      default:
-	// TODO: Support other image formats.
+      if (unlikely (image_offset > cbdt_len || cbdt_len - image_offset < image_length))
 	return false;
+
+      switch (image_format)
+      {
+	case 17: {
+	  if (unlikely (image_length < OT::GlyphBitmapDataFormat17::min_size))
+	    return false;
+
+	  const OT::GlyphBitmapDataFormat17& glyphFormat17 =
+	      OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, image_offset);
+	  glyphFormat17.glyphMetrics.get_extents (extents);
+	}
+	break;
+	default:
+	  // TODO: Support other image formats.
+	  return false;
+      }
     }
 
     /* Convert to the font units. */

From 9f6144cdb9dd2bc8cd147306e678d76ae82663d8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Dec 2016 19:55:17 -0800
Subject: [PATCH 0112/1326] [CBDT] Add test for fetching glyph extents

---
 test/shaping/Makefile.am                         |   1 +
 .../ee39587d13b2afa5499cc79e45780aa79293bbd4.ttf | Bin 0 -> 3724 bytes
 test/shaping/tests/color-fonts.tests             |   1 +
 3 files changed, 2 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/ee39587d13b2afa5499cc79e45780aa79293bbd4.ttf
 create mode 100644 test/shaping/tests/color-fonts.tests

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index c5efe6251..57369fd5b 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -44,6 +44,7 @@ TESTS = \
 	tests/arabic-fallback-shaping.tests \
 	tests/arabic-feature-order.tests \
 	tests/cluster.tests \
+	tests/color-fonts.tests \
 	tests/context-matching.tests \
 	tests/cursive-positioning.tests \
 	tests/default-ignorables.tests \
diff --git a/test/shaping/fonts/sha1sum/ee39587d13b2afa5499cc79e45780aa79293bbd4.ttf b/test/shaping/fonts/sha1sum/ee39587d13b2afa5499cc79e45780aa79293bbd4.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..fa2d0e1367cfe81695bb37e1389085f4bda4b8e6
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z8+f?<KmLj-j!cdp!?V5pn9S?HZ1YCQQTz8hM&aKx|BR6CNS4w1YMx)Ci$3T}Zd}Ph
z=PU%M$^Uc^loV`&4?d_CWSxC;Q-hPhl)ASu9_Xy>Ku8iAl9KP_Ll=nX60RF1wsEIm
z6Q5@75Z(Mm<6gWz(vwK5)1S}B=4CF(Dqm_Ysq3j$$bQq!VVnLSh{>uyuYUE!JznOd
zqzw=6D%Q#U*m1R9z{|bi;zRdt8tYir3|U)3e=pzNS7OGP`!ga%!DEp&br-c|rr@<t
zg<o`KMNB<@?$Ui|HO>O};enV}iet9rnFy_u&STnj?(q{0ghlS(CfPB<m(1x91F%Zk
zuktLL<4G2}I$uvi(_e9KG<4Q-Auj#)5c}LOR$kY2X6=TPAe*PV5pSsupGB4`_O-pq
z8TMz*r772~KeSx@Hg-5YK_0W_X5cR9d;d}!$)JBIjQ{-nh1QL*8lL@>p`Jto4u5Zk
z`HF0z{Jl1#L{(RE(k}YbqZp5?PDe#{)@K`Qix@{9nyU7#3rdwJ288l%`m~c|4<bW;
z&ZESc(OhSOhFqhW+-14xs<<>qOeUnrFut4YXJ>1166M(G3t`H^bTi-1>cVZM>7#kO
zr|l%WGq~$YwI-m3Aqr7-3#1JU@VQcgt<~U^kJ7N#^8Fut&N8}lK2g6^^wGED4P_DJ
zE0%}%2wuT&Pj<j{X2<1vB>UX_j8JQ#td^!}7G@cOzGgYWQw1Z#%m=59W(pNIOq2W+
zgJMtVS$cKyN}qd|A4}})<D2>-l$YaYXS(okMPfD%zs2=p%Ol!Z?)pm(lFj$R_Tm`M
z-3N}7s0<$s?#a_BRrlyqz8x5@)R#~j(5pN?xv%9IqSr7Ci`q%mRx9Yz9uj${`A<S%
zKU6leY43Kjr<Iy+@Iii|ZD5!2qH=axvH|*%wfq9HzP=c1IisqXxjM#IP;1n8q8Eqi
z)fEaunx<Q=*b@^Ws4Ep^FX;4Dc6CTLd&6NBLY47%982;Box)5978%NW?7IU9)x1qX
z$-6$_8x%0m#bfHUFGqsrpWTYG11N(`d7&Qf1CF04ulzssw@ukf?Cb<6dl)4T3Q9Im
Z)BMR~TsrnL0H?u95R4wq0?hb-`VWK7<)Q!p

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/color-fonts.tests b/test/shaping/tests/color-fonts.tests
new file mode 100644
index 000000000..397796a06
--- /dev/null
+++ b/test/shaping/tests/color-fonts.tests
@@ -0,0 +1 @@
+fonts/sha1sum/ee39587d13b2afa5499cc79e45780aa79293bbd4.ttf:--font-funcs=ot --show-extents:U+1F42F:[gid1=0+2963<0,2178,2963,-2788>]

From 8c842e4a44908cce0f416481c73dc0866a0a9c95 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Dec 2016 20:28:38 -0800
Subject: [PATCH 0113/1326] [hb-fuzzer] Get glyph extents for output glyphs

To exercise glyph-extents codepaths (glyf / CBLC+CBDT).
---
 test/fuzzing/hb-fuzzer.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/fuzzing/hb-fuzzer.cc b/test/fuzzing/hb-fuzzer.cc
index b319a715a..c9f15d831 100644
--- a/test/fuzzing/hb-fuzzer.cc
+++ b/test/fuzzing/hb-fuzzer.cc
@@ -28,6 +28,19 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     hb_buffer_add_utf32(buffer, text32, sizeof(text32)/sizeof(text32[0]), 0, -1);
     hb_buffer_guess_segment_properties(buffer);
     hb_shape(font, buffer, NULL, 0);
+
+    unsigned int len = hb_buffer_get_length (buffer);
+    hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL);
+    //hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL);
+    for (unsigned int i = 0; i < len; i++)
+    {
+      hb_glyph_info_t info = infos[i];
+      //hb_glyph_position_t pos = positions[i];
+
+      hb_glyph_extents_t extents;
+      hb_font_get_glyph_extents (font, info.codepoint, &extents);
+    }
+
     hb_buffer_destroy(buffer);
   }
 

From b843c6d8b66c2833cd35407ee494546465e6d775 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 5 Dec 2016 13:42:28 -0800
Subject: [PATCH 0114/1326] 1.3.4

---
 NEWS         | 8 ++++++++
 configure.ac | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index e83f25f2b..fb84c888a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Overview of changes leading to 1.3.4
+Monday, December 5, 2016
+====================================
+
+- Fix vertical glyph origin in hb-ot-font.
+- Implement CBDT/CBLC color font glyph extents in hb-ot-font.
+
+
 Overview of changes leading to 1.3.3
 Wednesday, September 28, 2016
 ====================================
diff --git a/configure.ac b/configure.ac
index b38ba98c7..0fdaf531e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.3.3],
+        [1.3.4],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 6d9d3c55bbd4209ba339ccd2b925bb4a6c97f622 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 1 Mar 2016 19:12:08 +0900
Subject: [PATCH 0115/1326] [GX] Add data types for encoding numerical
 variations

---
 src/hb-font-private.hh             |  10 +++
 src/hb-font.cc                     |   3 +
 src/hb-ot-layout-common-private.hh | 113 +++++++++++++++++++++++++++++
 3 files changed, 126 insertions(+)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index cda97a68c..3a1e31f06 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -108,6 +108,10 @@ struct hb_font_t {
   unsigned int x_ppem;
   unsigned int y_ppem;
 
+  /* Font variation coordinates. */
+  int *coords;
+  unsigned int coord_count;
+
   hb_font_funcs_t   *klass;
   void              *user_data;
   hb_destroy_func_t  destroy;
@@ -120,6 +124,8 @@ struct hb_font_t {
   { return HB_DIRECTION_IS_VERTICAL(direction) ? y_scale : x_scale; }
   inline hb_position_t em_scale_x (int16_t v) { return em_scale (v, x_scale); }
   inline hb_position_t em_scale_y (int16_t v) { return em_scale (v, y_scale); }
+  inline hb_position_t em_scalef_x (float v) { return em_scalef (v, this->x_scale); }
+  inline hb_position_t em_scalef_y (float v) { return em_scalef (v, this->y_scale); }
   inline hb_position_t em_scale_dir (int16_t v, hb_direction_t direction)
   { return em_scale (v, dir_scale (direction)); }
 
@@ -531,6 +537,10 @@ struct hb_font_t {
     scaled += scaled >= 0 ? upem/2 : -upem/2; /* Round. */
     return (hb_position_t) (scaled / upem);
   }
+  inline hb_position_t em_scalef (float v, int scale)
+  {
+    return (hb_position_t) (v * scale / face->get_upem ());
+  }
 };
 
 #define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
diff --git a/src/hb-font.cc b/src/hb-font.cc
index 08fcd6475..b4b4d0a52 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1194,6 +1194,9 @@ hb_font_get_empty (void)
     0, /* x_ppem */
     0, /* y_ppem */
 
+    NULL, /* coords */
+    0, /* coord_count */
+
     const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */
     NULL, /* user_data */
     NULL, /* destroy */
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 34fa1b773..a18ce74dc 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1236,6 +1236,119 @@ struct Device
 };
 
 
+struct VariationAxis
+{
+  inline float evaluate (int *coords, unsigned int coord_len) const
+  {
+    unsigned int i = axisIndex;
+    int coord = i < coord_len ? coords[i] : 0;
+
+    int start = startCoord, peak = peakCoord, end = endCoord;
+    if (coord < start || coord > end) return 0.;
+    if (coord == peak) return 1.;
+    /* Interpolate */
+    if (coord < peak)
+      return float (coord - start) / (peak - start);
+    else
+      return float (end - coord) / (end - peak);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  public:
+  Index		axisIndex;
+  F2DOT14	startCoord;
+  F2DOT14	peakCoord;
+  F2DOT14	endCoord;
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
+struct VariationTuple
+{
+  inline float evaluate (int *coords, unsigned int coord_len) const
+  {
+    float v = 1.;
+    unsigned int count = axes.len;
+    for (unsigned int i = 0; i < count; i++)
+      v *= (this+axes[i]).evaluate (coords, coord_len);
+    return v;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (axes.sanitize (c, this));
+  }
+
+  OffsetArrayOf<VariationAxis>
+		axes;
+  public:
+  DEFINE_SIZE_ARRAY (2, axes);
+};
+
+struct VariationMap
+{
+  inline const VariationTuple& operator [] (unsigned int i) const
+  { return this+tuples[i]; }
+
+  inline unsigned int get_len (void) const
+  { return tuples.len; }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (tuples.sanitize (c, this));
+  }
+
+  OffsetArrayOf<VariationTuple>
+		tuples;
+  public:
+  DEFINE_SIZE_ARRAY (2, tuples);
+};
+
+struct VariationDevice
+{
+
+  inline hb_position_t get_x_delta (hb_font_t *font) const
+  { return font->em_scalef_x (get_delta (font->coords, font->coord_count)); }
+
+  inline hb_position_t get_y_delta (hb_font_t *font) const
+  { return font->em_scalef_y (get_delta (font->coords, font->coord_count)); }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && c->check_range (&deltaValue, numDeltas * SHORT::static_size));
+  }
+
+  private:
+
+  inline float get_delta (int *coords, unsigned int coord_count) const
+  {
+    float v = 0;
+    const VariationMap &map = this+variationMap;
+    unsigned int count = MIN ((unsigned int) numDeltas, map.get_len ());
+    for (unsigned int i = 0; i < count; i++)
+      v += deltaValue[i] * map[i].evaluate (coords, coord_count);
+    return v;
+  }
+
+  protected:
+  OffsetTo<VariationMap>
+		variationMap;		/* Offset to variation mapping for this table. */
+  USHORT	numDeltas;		/* Number of deltas for in this table. */
+  USHORT	deltaFormat;		/* Format identifier for this table: 0x10 */
+  SHORT		deltaValue[VAR];	/* Deltas as signed values in design space. */
+  public:
+  DEFINE_SIZE_ARRAY (6, deltaValue);
+};
+
+
 } /* namespace OT */
 
 

From ca286703164caf1eda665f6f27ef83bf04e2f8ba Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 1 Mar 2016 19:29:36 +0900
Subject: [PATCH 0116/1326] [GX] Towards anisotropic interpolation

Also hookup to ValueRecord and Anchors.
---
 src/hb-font-private.hh             |  5 +++--
 src/hb-font.cc                     |  9 +++++++--
 src/hb-ot-layout-common-private.hh |  4 ++--
 src/hb-ot-layout-gpos-table.hh     | 20 ++++++++++----------
 4 files changed, 22 insertions(+), 16 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 3a1e31f06..48dc72564 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -109,8 +109,9 @@ struct hb_font_t {
   unsigned int y_ppem;
 
   /* Font variation coordinates. */
-  int *coords;
-  unsigned int coord_count;
+  unsigned int num_coords;
+  int *x_coords;
+  int *y_coords;
 
   hb_font_funcs_t   *klass;
   void              *user_data;
diff --git a/src/hb-font.cc b/src/hb-font.cc
index b4b4d0a52..75c8515e5 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1165,6 +1165,8 @@ hb_font_create_sub_font (hb_font_t *parent)
   font->x_ppem = parent->x_ppem;
   font->y_ppem = parent->y_ppem;
 
+  /* TODO: copy variation coordinates. */
+
   return font;
 }
 
@@ -1194,8 +1196,9 @@ hb_font_get_empty (void)
     0, /* x_ppem */
     0, /* y_ppem */
 
-    NULL, /* coords */
-    0, /* coord_count */
+    0, /* num_coords */
+    NULL, /* x_coords */
+    NULL, /* y_coords */
 
     const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */
     NULL, /* user_data */
@@ -1251,6 +1254,8 @@ hb_font_destroy (hb_font_t *font)
   hb_face_destroy (font->face);
   hb_font_funcs_destroy (font->klass);
 
+  /* TODO: destroy variation coordinates. */
+
   free (font);
 }
 
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index a18ce74dc..cd26db338 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1315,10 +1315,10 @@ struct VariationDevice
 {
 
   inline hb_position_t get_x_delta (hb_font_t *font) const
-  { return font->em_scalef_x (get_delta (font->coords, font->coord_count)); }
+  { return font->em_scalef_x (get_delta (font->x_coords, font->num_coords)); }
 
   inline hb_position_t get_y_delta (hb_font_t *font) const
-  { return font->em_scalef_y (get_delta (font->coords, font->coord_count)); }
+  { return font->em_scalef_y (get_delta (font->y_coords, font->num_coords)); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index bbe390cf7..424a34e40 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -109,7 +109,6 @@ struct ValueFormat : USHORT
 		    const Value          *values,
 		    hb_glyph_position_t  &glyph_pos) const
   {
-    unsigned int x_ppem, y_ppem;
     unsigned int format = *this;
     hb_bool_t horizontal = HB_DIRECTION_IS_HORIZONTAL (direction);
 
@@ -129,27 +128,28 @@ struct ValueFormat : USHORT
 
     if (!has_device ()) return;
 
-    x_ppem = font->x_ppem;
-    y_ppem = font->y_ppem;
+    bool use_x_device = font->x_ppem || font->num_coords;
+    bool use_y_device = font->y_ppem || font->num_coords;
 
-    if (!x_ppem && !y_ppem) return;
+
+    if (!use_x_device && !use_y_device) return;
 
     /* pixel -> fractional pixel */
     if (format & xPlaDevice) {
-      if (x_ppem) glyph_pos.x_offset  += (base + get_device (values)).get_x_delta (font);
+      if (use_x_device) glyph_pos.x_offset  += (base + get_device (values)).get_x_delta (font);
       values++;
     }
     if (format & yPlaDevice) {
-      if (y_ppem) glyph_pos.y_offset  += (base + get_device (values)).get_y_delta (font);
+      if (use_y_device) glyph_pos.y_offset  += (base + get_device (values)).get_y_delta (font);
       values++;
     }
     if (format & xAdvDevice) {
-      if (horizontal && x_ppem) glyph_pos.x_advance += (base + get_device (values)).get_x_delta (font);
+      if (horizontal && use_x_device) glyph_pos.x_advance += (base + get_device (values)).get_x_delta (font);
       values++;
     }
     if (format & yAdvDevice) {
       /* y_advance values grow downward but font-space grows upward, hence negation */
-      if (!horizontal && y_ppem) glyph_pos.y_advance -= (base + get_device (values)).get_y_delta (font);
+      if (!horizontal && use_y_device) glyph_pos.y_advance -= (base + get_device (values)).get_y_delta (font);
       values++;
     }
   }
@@ -291,9 +291,9 @@ struct AnchorFormat3
       *x = font->em_scale_x (xCoordinate);
       *y = font->em_scale_y (yCoordinate);
 
-      if (font->x_ppem)
+      if (font->x_ppem || font->num_coords)
 	*x += (this+xDeviceTable).get_x_delta (font);
-      if (font->y_ppem)
+      if (font->y_ppem || font->num_coords)
 	*y += (this+yDeviceTable).get_x_delta (font);
   }
 

From a0c2366075fcb894212b9bf137e4dd34bb65537c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 1 Mar 2016 19:42:24 +0900
Subject: [PATCH 0117/1326] [GX] Break out early if factor is zero

Also disable sanity-checking of variation records.
---
 src/hb-ot-layout-common-private.hh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index cd26db338..168dbe4c6 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1244,6 +1244,8 @@ struct VariationAxis
     int coord = i < coord_len ? coords[i] : 0;
 
     int start = startCoord, peak = peakCoord, end = endCoord;
+    //if (coord == 0) return 0;
+    //if (start < 0 && end > 0) return 0.;
     if (coord < start || coord > end) return 0.;
     if (coord == peak) return 1.;
     /* Interpolate */
@@ -1275,7 +1277,12 @@ struct VariationTuple
     float v = 1.;
     unsigned int count = axes.len;
     for (unsigned int i = 0; i < count; i++)
-      v *= (this+axes[i]).evaluate (coords, coord_len);
+    {
+      float factor = (this+axes[i]).evaluate (coords, coord_len);
+      v *= factor;
+      if (factor == 0.)
+        break;
+    }
     return v;
   }
 

From 4c535a822f16b23a4e41e14d1b17fe179b83eabc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 2 Mar 2016 12:21:36 +0900
Subject: [PATCH 0118/1326] [GX] Hookup VariationDevice to Device table
 implementation

---
 src/hb-ot-layout-common-private.hh | 65 +++++++++++++++++++++++++++++-
 1 file changed, 64 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 168dbe4c6..e34acd9f8 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1165,8 +1165,11 @@ struct ClassDef
  * Device Tables
  */
 
-struct Device
+struct HintingDevice
 {
+  friend struct Device;
+
+  private:
 
   inline hb_position_t get_x_delta (hb_font_t *font) const
   { return get_delta (font->x_ppem, font->x_scale); }
@@ -1320,6 +1323,9 @@ struct VariationMap
 
 struct VariationDevice
 {
+  friend struct Device;
+
+  private:
 
   inline hb_position_t get_x_delta (hb_font_t *font) const
   { return font->em_scalef_x (get_delta (font->x_coords, font->num_coords)); }
@@ -1355,6 +1361,63 @@ struct VariationDevice
   DEFINE_SIZE_ARRAY (6, deltaValue);
 };
 
+struct Device
+{
+  inline hb_position_t get_x_delta (hb_font_t *font) const
+  {
+    switch (u.b.format)
+    {
+    case 1: case 2: case 3:
+      return u.hinting.get_x_delta (font);
+    case 0x10:
+      return u.variation.get_x_delta (font);
+    default:
+      return 0;
+    }
+  }
+  inline hb_position_t get_y_delta (hb_font_t *font) const
+  {
+    switch (u.b.format)
+    {
+    case 1: case 2: case 3:
+      return u.hinting.get_x_delta (font);
+    case 0x10:
+      return u.variation.get_x_delta (font);
+    default:
+      return 0;
+    }
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!u.b.format.sanitize (c)) return_trace (false);
+    switch (u.b.format) {
+    case 1: case 2: case 3:
+      return_trace (u.hinting.sanitize (c));
+    case 0x10:
+      return_trace (u.variation.sanitize (c));
+    default:
+      return_trace (true);
+    }
+  }
+
+  protected:
+  union {
+  struct {
+    USHORT		reserved1;
+    USHORT		reserved2;
+    USHORT		format;		/* Format identifier */
+    public:
+    DEFINE_SIZE_STATIC (6);
+  } b;
+  HintingDevice		hinting;
+  VariationDevice	variation;
+  } u;
+  public:
+  DEFINE_SIZE_UNION (6, b);
+};
+
 
 } /* namespace OT */
 

From 15c5ee67473a17859a919104c5e6fed1f813aa65 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 2 Mar 2016 12:41:49 +0900
Subject: [PATCH 0119/1326] [GX] Minor rename

---
 src/hb-ot-layout-common-private.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index e34acd9f8..b1dcb01ce 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1336,7 +1336,7 @@ struct VariationDevice
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && c->check_range (&deltaValue, numDeltas * SHORT::static_size));
+    return_trace (c->check_struct (this) && c->check_range (&deltaValue, deltaCount * SHORT::static_size));
   }
 
   private:
@@ -1345,7 +1345,7 @@ struct VariationDevice
   {
     float v = 0;
     const VariationMap &map = this+variationMap;
-    unsigned int count = MIN ((unsigned int) numDeltas, map.get_len ());
+    unsigned int count = MIN ((unsigned int) deltaCount, map.get_len ());
     for (unsigned int i = 0; i < count; i++)
       v += deltaValue[i] * map[i].evaluate (coords, coord_count);
     return v;
@@ -1354,7 +1354,7 @@ struct VariationDevice
   protected:
   OffsetTo<VariationMap>
 		variationMap;		/* Offset to variation mapping for this table. */
-  USHORT	numDeltas;		/* Number of deltas for in this table. */
+  USHORT	deltaCount;		/* Number of deltas in this table. */
   USHORT	deltaFormat;		/* Format identifier for this table: 0x10 */
   SHORT		deltaValue[VAR];	/* Deltas as signed values in design space. */
   public:

From ed8a9067ca0fe51ac4b80dab55db596763df72bb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 2 Mar 2016 12:54:35 -0800
Subject: [PATCH 0120/1326] [GX] Minor

---
 src/hb-ot-layout-common-private.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index b1dcb01ce..52d213cd4 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1336,7 +1336,8 @@ struct VariationDevice
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && c->check_range (&deltaValue, deltaCount * SHORT::static_size));
+    return_trace (c->check_struct (this) &&
+		  c->check_array (&deltaValue, SHORT::static_size, deltaCount));
   }
 
   private:

From 976eeb8e025e2b7601a91e661d6e9a88bf8afbd2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 12 Mar 2016 23:28:12 -0800
Subject: [PATCH 0121/1326] [GX] Minor

---
 src/hb-ot-layout-common-private.hh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 52d213cd4..3154cfe7a 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1243,8 +1243,7 @@ struct VariationAxis
 {
   inline float evaluate (int *coords, unsigned int coord_len) const
   {
-    unsigned int i = axisIndex;
-    int coord = i < coord_len ? coords[i] : 0;
+    int coord = axisIndex < coord_len ? coords[axisIndex] : 0;
 
     int start = startCoord, peak = peakCoord, end = endCoord;
     //if (coord == 0) return 0;

From 71b06fd392680b6fcfece60d8a83ba6c56eada09 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 12 Mar 2016 23:49:09 -0800
Subject: [PATCH 0122/1326] [GX] Add VariationAlternates, to allow conditional
 lookups in GSUB/GPOS

Not hooked up to runtime yet.
---
 src/hb-open-type-private.hh        |  1 +
 src/hb-ot-layout-common-private.hh | 99 +++++++++++++++++++++++++++++-
 2 files changed, 98 insertions(+), 2 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 66f1c08df..865429da2 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -630,6 +630,7 @@ struct IntType
   inline operator Type(void) const { return v; }
   inline bool operator == (const IntType<Type,Size> &o) const { return (Type) v == (Type) o.v; }
   inline bool operator != (const IntType<Type,Size> &o) const { return !(*this == o); }
+  inline unsigned int get_size (void) const { return Size; }
   static inline int cmp (const IntType<Type,Size> *a, const IntType<Type,Size> *b) { return b->cmp (*a); }
   inline int cmp (Type a) const
   {
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 3154cfe7a..328472fb1 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -575,6 +575,7 @@ struct LookupFlag : USHORT
     IgnoreMarks		= 0x0008u,
     IgnoreFlags		= 0x000Eu,
     UseMarkFilteringSet	= 0x0010u,
+    UseVariationAlternates= 0x0020u,
     Reserved		= 0x00E0u,
     MarkAttachmentType	= 0xFF00u
   };
@@ -587,6 +588,88 @@ struct LookupFlag : USHORT
 HB_MARK_AS_FLAG_T (OT::LookupFlag::Flags);
 namespace OT {
 
+struct VariationGridAxis
+{
+  inline int locate (int *coords, unsigned int coord_len) const
+  {
+    int coord = axisIndex < coord_len ? coords[axisIndex] : 0;
+
+    unsigned int count = axisCoords.len;
+    unsigned int i = 0;
+    while (i + 1 < count && coord < axisCoords[i + 1])
+      i++;
+
+    return axisCoords[i] <= coord ? i : -1;
+  }
+
+  inline unsigned int get_len (void) const
+  {
+    return axisCoords.len - 1;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && axisCoords.sanitize (c));
+  }
+
+  Index				axisIndex;
+  SortedArrayOf<F2DOT14>	axisCoords;
+  public:
+  DEFINE_SIZE_ARRAY (4, axisCoords);
+};
+
+struct VariationGrid
+{
+  inline int locate (int *coords, unsigned int coord_len) const
+  {
+    int location = 0;
+    unsigned int count = axes.len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      const VariationGridAxis &axis = (this+axes[i]);
+      int axisLoc = axis.locate (coords, coord_len);
+      if (axisLoc == -1)
+        return -1;
+      location = location * (axis.get_len () - 1) + axisLoc; /* XXX Check for overflow?. */
+    }
+    return location;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (axes.sanitize (c, this));
+  }
+
+  OffsetArrayOf<VariationGridAxis>
+		axes;
+  public:
+  DEFINE_SIZE_ARRAY (2, axes);
+};
+
+struct VariationAlternates
+{
+  inline unsigned int get_lookup_index (int *coords, unsigned int coord_len) const
+  {
+    int location = (this+grid).locate (coords, coord_len);
+    if (location == -1)
+      return 0xFFFE; /* TODO: give it a name. */
+    return lookupIndex[location];
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (grid.sanitize (c, this) && lookupIndex.sanitize (c));
+  }
+
+  OffsetTo<VariationGrid>	grid;
+  IndexArray			lookupIndex;
+  public:
+  DEFINE_SIZE_ARRAY (4, lookupIndex);
+};
+
 struct Lookup
 {
   inline unsigned int get_subtable_count (void) const { return subTable.len; }
@@ -655,10 +738,17 @@ struct Lookup
     TRACE_SANITIZE (this);
     /* Real sanitize of the subtables is done by GSUB/GPOS/... */
     if (!(c->check_struct (this) && subTable.sanitize (c))) return_trace (false);
+    const void *cursor = &StructAfter<char> (subTable);
     if (lookupFlag & LookupFlag::UseMarkFilteringSet)
     {
-      const USHORT &markFilteringSet = StructAfter<USHORT> (subTable);
+      const USHORT &markFilteringSet = CastR<USHORT> (cursor);
       if (!markFilteringSet.sanitize (c)) return_trace (false);
+      cursor = &StructAfter<char> (markFilteringSet);
+    }
+    if (lookupFlag & LookupFlag::UseVariationAlternates)
+    {
+      const OffsetTo<VariationAlternates,ULONG> &varAlts = CastR<const OffsetTo<VariationAlternates,ULONG> > (cursor);
+      if (!varAlts.sanitize (c, this)) return_trace (false);
     }
     return_trace (true);
   }
@@ -671,8 +761,13 @@ struct Lookup
   USHORT	markFilteringSetX[VAR];	/* Index (base 0) into GDEF mark glyph sets
 					 * structure. This field is only present if bit
 					 * UseMarkFilteringSet of lookup flags is set. */
+  OffsetTo<VariationAlternates,ULONG>
+		variationAlternatesZ[VAR];
+					/* Index (base 0) into GDEF mark glyph sets
+					 * structure. This field is only present if bit
+					 * UseMarkFilteringSet of lookup flags is set. */
   public:
-  DEFINE_SIZE_ARRAY2 (6, subTable, markFilteringSetX);
+  DEFINE_SIZE_MIN (6);
 };
 
 typedef OffsetListOf<Lookup> LookupList;

From baa329c6a12c7ffd56feed32351d9405b7d1651b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 18 Mar 2016 15:52:24 -0700
Subject: [PATCH 0123/1326] [GX] Add compact VariationDevice implementation

Add compact format that uses signed bytes instead of shorts.
---
 src/hb-open-type-private.hh        |  1 +
 src/hb-ot-layout-common-private.hh | 35 ++++++++++++++++++++----------
 2 files changed, 25 insertions(+), 11 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 865429da2..9bd2fa417 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -653,6 +653,7 @@ struct IntType
 
 typedef	IntType<int8_t	, 1> CHAR;	/* 8-bit signed integer. */
 typedef	IntType<uint8_t	, 1> BYTE;	/* 8-bit unsigned integer. */
+typedef	IntType<int8_t	, 1> INT8;	/* 8-bit signed integer. */
 typedef IntType<uint16_t, 2> USHORT;	/* 16-bit unsigned integer. */
 typedef IntType<int16_t,  2> SHORT;	/* 16-bit signed integer. */
 typedef IntType<uint32_t, 4> ULONG;	/* 32-bit unsigned integer. */
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 328472fb1..61bf1faa7 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1419,6 +1419,9 @@ struct VariationDevice
 {
   friend struct Device;
 
+  static const unsigned short FORMAT_BYTES  = 0x0100;
+  static const unsigned short FORMAT_SHORTS = 0x0101;
+
   private:
 
   inline hb_position_t get_x_delta (hb_font_t *font) const
@@ -1431,29 +1434,39 @@ struct VariationDevice
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-		  c->check_array (&deltaValue, SHORT::static_size, deltaCount));
+		  c->check_array (&deltaValue, get_item_size (), deltaCount));
   }
 
   private:
 
+  inline unsigned int get_item_size (void) const
+  { return deltaFormat == FORMAT_BYTES ? 1 : 2; }
+
   inline float get_delta (int *coords, unsigned int coord_count) const
   {
     float v = 0;
     const VariationMap &map = this+variationMap;
     unsigned int count = MIN ((unsigned int) deltaCount, map.get_len ());
-    for (unsigned int i = 0; i < count; i++)
-      v += deltaValue[i] * map[i].evaluate (coords, coord_count);
+    if (get_item_size () == 1)
+      for (unsigned int i = 0; i < count; i++)
+	v += deltaValue.bytesZ[i] * map[i].evaluate (coords, coord_count);
+   else
+      for (unsigned int i = 0; i < count; i++)
+	v += deltaValue.shortsZ[i] * map[i].evaluate (coords, coord_count);
     return v;
   }
 
   protected:
   OffsetTo<VariationMap>
-		variationMap;		/* Offset to variation mapping for this table. */
-  USHORT	deltaCount;		/* Number of deltas in this table. */
-  USHORT	deltaFormat;		/* Format identifier for this table: 0x10 */
-  SHORT		deltaValue[VAR];	/* Deltas as signed values in design space. */
+		variationMap;	/* Offset to variation mapping for this table. */
+  USHORT	deltaCount;	/* Number of deltas in this table. */
+  USHORT	deltaFormat;	/* Format identifier for this table: 0x0100 or 0x0101 */
+  union {
+    INT8	bytesZ[VAR];	/* Deltas as signed bytes in design space; format=0x0100 */
+    SHORT	shortsZ[VAR];	/* Deltas as signed shorts in design space; format=0x0101 */
+  } deltaValue;
   public:
-  DEFINE_SIZE_ARRAY (6, deltaValue);
+  DEFINE_SIZE_ARRAY (6, deltaValue.shortsZ);
 };
 
 struct Device
@@ -1464,7 +1477,7 @@ struct Device
     {
     case 1: case 2: case 3:
       return u.hinting.get_x_delta (font);
-    case 0x10:
+    case VariationDevice::FORMAT_BYTES: case VariationDevice::FORMAT_SHORTS:
       return u.variation.get_x_delta (font);
     default:
       return 0;
@@ -1476,7 +1489,7 @@ struct Device
     {
     case 1: case 2: case 3:
       return u.hinting.get_x_delta (font);
-    case 0x10:
+    case VariationDevice::FORMAT_BYTES: case VariationDevice::FORMAT_SHORTS:
       return u.variation.get_x_delta (font);
     default:
       return 0;
@@ -1490,7 +1503,7 @@ struct Device
     switch (u.b.format) {
     case 1: case 2: case 3:
       return_trace (u.hinting.sanitize (c));
-    case 0x10:
+    case VariationDevice::FORMAT_BYTES: case VariationDevice::FORMAT_SHORTS:
       return_trace (u.variation.sanitize (c));
     default:
       return_trace (true);

From bb4d2e6ed562c248fff15313a013d49e38a18789 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 13:08:52 -0700
Subject: [PATCH 0124/1326] [GX] Free GX coordinates

---
 src/hb-font.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 75c8515e5..978e7dd06 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1254,7 +1254,10 @@ hb_font_destroy (hb_font_t *font)
   hb_face_destroy (font->face);
   hb_font_funcs_destroy (font->klass);
 
-  /* TODO: destroy variation coordinates. */
+  if (font->x_coords)
+    free (font->x_coords);
+  if (font->y_coords && font->y_coords != font->x_coords)
+    free (font->y_coords);
 
   free (font);
 }

From 8dddc231cf9d934eb93a39f2657717cbdad43a64 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 13:17:33 -0700
Subject: [PATCH 0125/1326] [GX] Revert "[GX] Add VariationAlternates, to allow
 conditional lookups in GSUB/GPOS"

This reverts commit 2859f1c7174d6f7ae5dcf0db5411bc0182b21594.
We are going in a different direction.
---
 src/hb-open-type-private.hh        |  1 -
 src/hb-ot-layout-common-private.hh | 99 +-----------------------------
 2 files changed, 2 insertions(+), 98 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 9bd2fa417..bc7e9a48e 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -630,7 +630,6 @@ struct IntType
   inline operator Type(void) const { return v; }
   inline bool operator == (const IntType<Type,Size> &o) const { return (Type) v == (Type) o.v; }
   inline bool operator != (const IntType<Type,Size> &o) const { return !(*this == o); }
-  inline unsigned int get_size (void) const { return Size; }
   static inline int cmp (const IntType<Type,Size> *a, const IntType<Type,Size> *b) { return b->cmp (*a); }
   inline int cmp (Type a) const
   {
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 61bf1faa7..bef26e11f 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -575,7 +575,6 @@ struct LookupFlag : USHORT
     IgnoreMarks		= 0x0008u,
     IgnoreFlags		= 0x000Eu,
     UseMarkFilteringSet	= 0x0010u,
-    UseVariationAlternates= 0x0020u,
     Reserved		= 0x00E0u,
     MarkAttachmentType	= 0xFF00u
   };
@@ -588,88 +587,6 @@ struct LookupFlag : USHORT
 HB_MARK_AS_FLAG_T (OT::LookupFlag::Flags);
 namespace OT {
 
-struct VariationGridAxis
-{
-  inline int locate (int *coords, unsigned int coord_len) const
-  {
-    int coord = axisIndex < coord_len ? coords[axisIndex] : 0;
-
-    unsigned int count = axisCoords.len;
-    unsigned int i = 0;
-    while (i + 1 < count && coord < axisCoords[i + 1])
-      i++;
-
-    return axisCoords[i] <= coord ? i : -1;
-  }
-
-  inline unsigned int get_len (void) const
-  {
-    return axisCoords.len - 1;
-  }
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && axisCoords.sanitize (c));
-  }
-
-  Index				axisIndex;
-  SortedArrayOf<F2DOT14>	axisCoords;
-  public:
-  DEFINE_SIZE_ARRAY (4, axisCoords);
-};
-
-struct VariationGrid
-{
-  inline int locate (int *coords, unsigned int coord_len) const
-  {
-    int location = 0;
-    unsigned int count = axes.len;
-    for (unsigned int i = 0; i < count; i++)
-    {
-      const VariationGridAxis &axis = (this+axes[i]);
-      int axisLoc = axis.locate (coords, coord_len);
-      if (axisLoc == -1)
-        return -1;
-      location = location * (axis.get_len () - 1) + axisLoc; /* XXX Check for overflow?. */
-    }
-    return location;
-  }
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (axes.sanitize (c, this));
-  }
-
-  OffsetArrayOf<VariationGridAxis>
-		axes;
-  public:
-  DEFINE_SIZE_ARRAY (2, axes);
-};
-
-struct VariationAlternates
-{
-  inline unsigned int get_lookup_index (int *coords, unsigned int coord_len) const
-  {
-    int location = (this+grid).locate (coords, coord_len);
-    if (location == -1)
-      return 0xFFFE; /* TODO: give it a name. */
-    return lookupIndex[location];
-  }
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (grid.sanitize (c, this) && lookupIndex.sanitize (c));
-  }
-
-  OffsetTo<VariationGrid>	grid;
-  IndexArray			lookupIndex;
-  public:
-  DEFINE_SIZE_ARRAY (4, lookupIndex);
-};
-
 struct Lookup
 {
   inline unsigned int get_subtable_count (void) const { return subTable.len; }
@@ -738,17 +655,10 @@ struct Lookup
     TRACE_SANITIZE (this);
     /* Real sanitize of the subtables is done by GSUB/GPOS/... */
     if (!(c->check_struct (this) && subTable.sanitize (c))) return_trace (false);
-    const void *cursor = &StructAfter<char> (subTable);
     if (lookupFlag & LookupFlag::UseMarkFilteringSet)
     {
-      const USHORT &markFilteringSet = CastR<USHORT> (cursor);
+      const USHORT &markFilteringSet = StructAfter<USHORT> (subTable);
       if (!markFilteringSet.sanitize (c)) return_trace (false);
-      cursor = &StructAfter<char> (markFilteringSet);
-    }
-    if (lookupFlag & LookupFlag::UseVariationAlternates)
-    {
-      const OffsetTo<VariationAlternates,ULONG> &varAlts = CastR<const OffsetTo<VariationAlternates,ULONG> > (cursor);
-      if (!varAlts.sanitize (c, this)) return_trace (false);
     }
     return_trace (true);
   }
@@ -761,13 +671,8 @@ struct Lookup
   USHORT	markFilteringSetX[VAR];	/* Index (base 0) into GDEF mark glyph sets
 					 * structure. This field is only present if bit
 					 * UseMarkFilteringSet of lookup flags is set. */
-  OffsetTo<VariationAlternates,ULONG>
-		variationAlternatesZ[VAR];
-					/* Index (base 0) into GDEF mark glyph sets
-					 * structure. This field is only present if bit
-					 * UseMarkFilteringSet of lookup flags is set. */
   public:
-  DEFINE_SIZE_MIN (6);
+  DEFINE_SIZE_ARRAY2 (6, subTable, markFilteringSetX);
 };
 
 typedef OffsetListOf<Lookup> LookupList;

From a7edeb6f02cbc4418285fdfc58ef8a8740a380e9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 15:39:52 -0700
Subject: [PATCH 0126/1326] Make OffsetArrayOf take OffsetType template
 argument

---
 src/hb-open-type-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index bc7e9a48e..5b7ff337e 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -952,8 +952,8 @@ struct ArrayOf
 };
 
 /* Array of Offset's */
-template <typename Type>
-struct OffsetArrayOf : ArrayOf<OffsetTo<Type> > {};
+template <typename Type, typename OffsetType=USHORT>
+struct OffsetArrayOf : ArrayOf<OffsetTo<Type, OffsetType> > {};
 
 /* Array of offsets relative to the beginning of the array itself. */
 template <typename Type>

From dc9f2297998b4cbc4f9e4c2591fc2bb5f92986d1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 15:40:15 -0700
Subject: [PATCH 0127/1326] [GX] Port variation stuff to Variation Store design

Not hooked up to GDEF yet.
---
 src/hb-ot-layout-common-private.hh | 294 ++++++++++++++++++-----------
 src/hb-ot-layout-gpos-table.hh     |   2 +-
 2 files changed, 184 insertions(+), 112 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index bef26e11f..ad67972e0 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1161,6 +1161,180 @@ struct ClassDef
 };
 
 
+/*
+ * Item Variation Store
+ */
+
+struct VarRegionAxis
+{
+  inline float evaluate (int coord) const
+  {
+    int start = startCoord, peak = peakCoord, end = endCoord;
+
+    /* TODO Move these to sanitize(). */
+    if (unlikely (start > peak || peak > end))
+      return 1.;
+    if (unlikely (start < 0 && end > 0 && peak != 0))
+      return 1.;
+
+    if (peak == 0 || coord == peak)
+      return 1.;
+
+    if (coord <= start || end <= coord)
+      return 0.;
+
+    /* Interpolate */
+    if (coord < peak)
+      return float (coord - start) / (peak - start);
+    else
+      return float (end - coord) / (end - peak);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+    /* TODO Handle invalid start/peak/end configs, so we don't
+     * have to do that at runtime. */
+  }
+
+  public:
+  F2DOT14	startCoord;
+  F2DOT14	peakCoord;
+  F2DOT14	endCoord;
+  public:
+  DEFINE_SIZE_STATIC (6);
+};
+
+struct VarRegionList
+{
+  inline float evaluate (unsigned int region_index,
+			 int *coords, unsigned int coord_len) const
+  {
+    if (unlikely (region_index >= regionCount))
+      return 0.;
+
+    const VarRegionAxis *axes = axesZ + (region_index * axisCount);
+
+    float v = 1.;
+    unsigned int count = MIN (coord_len, (unsigned int) axisCount);
+    for (unsigned int i = 0; i < count; i++)
+    {
+      float factor = axes[i].evaluate (coords[i]);
+      if (factor == 0.)
+        return 0.;
+      v *= factor;
+    }
+    return v;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  c->check_array (axesZ, axesZ[0].static_size,
+				  (unsigned int) axisCount * (unsigned int) regionCount));
+  }
+
+  protected:
+  USHORT	axisCount;
+  USHORT	regionCount;
+  VarRegionAxis	axesZ[VAR];
+  public:
+  DEFINE_SIZE_ARRAY (4, axesZ);
+};
+
+struct VarData
+{
+  inline unsigned int get_row_size (void) const
+  { return shortCount + regionIndices.len; }
+
+  inline unsigned int get_size (void) const
+  { return itemCount * get_row_size (); }
+
+  inline float get_delta (unsigned int inner,
+			  int *coords, unsigned int coord_count,
+			  const VarRegionList &regions) const
+  {
+    if (unlikely (inner >= itemCount))
+      return 0.;
+
+   unsigned int count = regionIndices.len;
+   unsigned int scount = shortCount;
+
+   const BYTE *bytes = &StructAfter<BYTE> (regionIndices);
+   const BYTE *row = bytes + inner * (scount + count);
+
+
+   float delta = 0.;
+   unsigned int i = 0;
+
+   const SHORT *scursor = reinterpret_cast<const SHORT *> (row);
+   for (; i < scount; i++)
+   {
+     float scalar = regions.evaluate (regionIndices.array[i], coords, coord_count);
+     delta += scalar * *scursor++;
+   }
+   const INT8 *bcursor = reinterpret_cast<const INT8 *> (scursor);
+   for (; i < count; i++)
+   {
+     float scalar = regions.evaluate (regionIndices.array[i], coords, coord_count);
+     delta += scalar * *bcursor++;
+   }
+
+   return delta;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  regionIndices.sanitize(c) &&
+		  shortCount <= regionIndices.len &&
+		  c->check_array (&StructAfter<BYTE> (regionIndices),
+				  get_row_size (), itemCount));
+  }
+
+  protected:
+  USHORT		itemCount;
+  USHORT		shortCount;
+  ArrayOf<USHORT>	regionIndices;
+  BYTE			bytesX[VAR];
+  public:
+  DEFINE_SIZE_ARRAY2 (6, regionIndices, bytesX);
+};
+
+struct VarStore
+{
+  inline float get_delta (unsigned int outer, unsigned int inner,
+			  int *coords, unsigned int coord_count) const
+  {
+    if (unlikely (outer >= dataSets.len))
+      return 0.;
+
+    return (this+dataSets[outer]).get_delta (inner,
+					     coords, coord_count,
+					     this+regions);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  format == 1 &&
+		  regions.sanitize (c, this) &&
+		  dataSets.sanitize (c, this));
+  }
+
+  protected:
+  USHORT				format;
+  OffsetTo<VarRegionList, ULONG>	regions;
+  OffsetArrayOf<VarData, ULONG>		dataSets;
+  public:
+  DEFINE_SIZE_ARRAY (8, dataSets);
+};
+
+
 /*
  * Device Tables
  */
@@ -1238,95 +1412,10 @@ struct HintingDevice
   DEFINE_SIZE_ARRAY (6, deltaValue);
 };
 
-
-struct VariationAxis
-{
-  inline float evaluate (int *coords, unsigned int coord_len) const
-  {
-    int coord = axisIndex < coord_len ? coords[axisIndex] : 0;
-
-    int start = startCoord, peak = peakCoord, end = endCoord;
-    //if (coord == 0) return 0;
-    //if (start < 0 && end > 0) return 0.;
-    if (coord < start || coord > end) return 0.;
-    if (coord == peak) return 1.;
-    /* Interpolate */
-    if (coord < peak)
-      return float (coord - start) / (peak - start);
-    else
-      return float (end - coord) / (end - peak);
-  }
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this));
-  }
-
-  public:
-  Index		axisIndex;
-  F2DOT14	startCoord;
-  F2DOT14	peakCoord;
-  F2DOT14	endCoord;
-  public:
-  DEFINE_SIZE_STATIC (8);
-};
-
-struct VariationTuple
-{
-  inline float evaluate (int *coords, unsigned int coord_len) const
-  {
-    float v = 1.;
-    unsigned int count = axes.len;
-    for (unsigned int i = 0; i < count; i++)
-    {
-      float factor = (this+axes[i]).evaluate (coords, coord_len);
-      v *= factor;
-      if (factor == 0.)
-        break;
-    }
-    return v;
-  }
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (axes.sanitize (c, this));
-  }
-
-  OffsetArrayOf<VariationAxis>
-		axes;
-  public:
-  DEFINE_SIZE_ARRAY (2, axes);
-};
-
-struct VariationMap
-{
-  inline const VariationTuple& operator [] (unsigned int i) const
-  { return this+tuples[i]; }
-
-  inline unsigned int get_len (void) const
-  { return tuples.len; }
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (tuples.sanitize (c, this));
-  }
-
-  OffsetArrayOf<VariationTuple>
-		tuples;
-  public:
-  DEFINE_SIZE_ARRAY (2, tuples);
-};
-
 struct VariationDevice
 {
   friend struct Device;
 
-  static const unsigned short FORMAT_BYTES  = 0x0100;
-  static const unsigned short FORMAT_SHORTS = 0x0101;
-
   private:
 
   inline hb_position_t get_x_delta (hb_font_t *font) const
@@ -1338,40 +1427,24 @@ struct VariationDevice
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-		  c->check_array (&deltaValue, get_item_size (), deltaCount));
+    return_trace (c->check_struct (this));
   }
 
   private:
 
-  inline unsigned int get_item_size (void) const
-  { return deltaFormat == FORMAT_BYTES ? 1 : 2; }
-
   inline float get_delta (int *coords, unsigned int coord_count) const
   {
     float v = 0;
-    const VariationMap &map = this+variationMap;
-    unsigned int count = MIN ((unsigned int) deltaCount, map.get_len ());
-    if (get_item_size () == 1)
-      for (unsigned int i = 0; i < count; i++)
-	v += deltaValue.bytesZ[i] * map[i].evaluate (coords, coord_count);
-   else
-      for (unsigned int i = 0; i < count; i++)
-	v += deltaValue.shortsZ[i] * map[i].evaluate (coords, coord_count);
+    /* XXXXXXXXXXXXXXX call into GDEF. */
     return v;
   }
 
   protected:
-  OffsetTo<VariationMap>
-		variationMap;	/* Offset to variation mapping for this table. */
-  USHORT	deltaCount;	/* Number of deltas in this table. */
-  USHORT	deltaFormat;	/* Format identifier for this table: 0x0100 or 0x0101 */
-  union {
-    INT8	bytesZ[VAR];	/* Deltas as signed bytes in design space; format=0x0100 */
-    SHORT	shortsZ[VAR];	/* Deltas as signed shorts in design space; format=0x0101 */
-  } deltaValue;
+  USHORT	outerIndex;
+  USHORT	innerIndex;
+  USHORT	deltaFormat;	/* Format identifier for this table: 0x0x8000 */
   public:
-  DEFINE_SIZE_ARRAY (6, deltaValue.shortsZ);
+  DEFINE_SIZE_STATIC (6);
 };
 
 struct Device
@@ -1382,7 +1455,7 @@ struct Device
     {
     case 1: case 2: case 3:
       return u.hinting.get_x_delta (font);
-    case VariationDevice::FORMAT_BYTES: case VariationDevice::FORMAT_SHORTS:
+    case 0x8000:
       return u.variation.get_x_delta (font);
     default:
       return 0;
@@ -1394,8 +1467,7 @@ struct Device
     {
     case 1: case 2: case 3:
       return u.hinting.get_x_delta (font);
-    case VariationDevice::FORMAT_BYTES: case VariationDevice::FORMAT_SHORTS:
-      return u.variation.get_x_delta (font);
+    case 0x8000:
     default:
       return 0;
     }
@@ -1408,7 +1480,7 @@ struct Device
     switch (u.b.format) {
     case 1: case 2: case 3:
       return_trace (u.hinting.sanitize (c));
-    case VariationDevice::FORMAT_BYTES: case VariationDevice::FORMAT_SHORTS:
+    case 0x8000:
       return_trace (u.variation.sanitize (c));
     default:
       return_trace (true);
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 424a34e40..d5db21d80 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -370,7 +370,7 @@ struct AnchorMatrix
   {
     TRACE_SANITIZE (this);
     if (!c->check_struct (this)) return_trace (false);
-    if (unlikely (rows > 0 && cols >= ((unsigned int) -1) / rows)) return_trace (false);
+    if (unlikely (_hb_unsigned_int_mul_overflows (rows, cols))) return_trace (false);
     unsigned int count = rows * cols;
     if (!c->check_array (matrixZ, matrixZ[0].static_size, count)) return_trace (false);
     for (unsigned int i = 0; i < count; i++)

From 5c971f8dbc823dbad4a2869cf9e835095ab6ddb2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 16:05:17 -0700
Subject: [PATCH 0128/1326] Minor change to GDEF, in prep for new version

---
 src/hb-ot-layout-gdef-table.hh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index 2b4bc5a02..93323c8d6 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -369,9 +369,9 @@ struct GDEF
 				      hb_position_t *caret_array /* OUT */) const
   { return (this+ligCaretList).get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array); }
 
-  inline bool has_mark_sets (void) const { return version.to_int () >= 0x00010002u && markGlyphSetsDef[0] != 0; }
+  inline bool has_mark_sets (void) const { return version.to_int () >= 0x00010002u && markGlyphSetsDef != 0; }
   inline bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
-  { return version.to_int () >= 0x00010002u && (this+markGlyphSetsDef[0]).covers (set_index, glyph_id); }
+  { return version.to_int () >= 0x00010002u && (this+markGlyphSetsDef).covers (set_index, glyph_id); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -382,7 +382,7 @@ struct GDEF
 		  attachList.sanitize (c, this) &&
 		  ligCaretList.sanitize (c, this) &&
 		  markAttachClassDef.sanitize (c, this) &&
-		  (version.to_int () < 0x00010002u || markGlyphSetsDef[0].sanitize (c, this)));
+		  (version.to_int () < 0x00010002u || markGlyphSetsDef.sanitize (c, this)));
   }
 
 
@@ -428,12 +428,12 @@ struct GDEF
 					 * mark attachment type--from beginning
 					 * of GDEF header (may be Null) */
   OffsetTo<MarkGlyphSets>
-		markGlyphSetsDef[VAR];	/* Offset to the table of mark set
+		markGlyphSetsDef;	/* Offset to the table of mark set
 					 * definitions--from beginning of GDEF
 					 * header (may be NULL).  Introduced
 					 * in version 00010002. */
   public:
-  DEFINE_SIZE_ARRAY (12, markGlyphSetsDef);
+  DEFINE_SIZE_MIN (12);
 };
 
 

From f0c3fd8c9ab402be923fe0845fb51d99841829b6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 16:22:45 -0700
Subject: [PATCH 0129/1326] [GX] Add varStore member to GDEF

Still not hooked up from GPOS.
---
 src/hb-ot-layout-gdef-table.hh | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index 93323c8d6..f8bbe3130 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -373,6 +373,11 @@ struct GDEF
   inline bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
   { return version.to_int () >= 0x00010002u && (this+markGlyphSetsDef).covers (set_index, glyph_id); }
 
+  inline bool has_var_store (void) const { return version.to_int () >= 0x00010003u && varStore != 0; }
+  inline float get_var_delta (unsigned int outer, unsigned int inner,
+			      int *coords, unsigned int coord_count) const
+  { return version.to_int () >= 0x00010003u ? (this+varStore).get_delta (outer, inner, coords, coord_count) : 0.; }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -382,7 +387,8 @@ struct GDEF
 		  attachList.sanitize (c, this) &&
 		  ligCaretList.sanitize (c, this) &&
 		  markAttachClassDef.sanitize (c, this) &&
-		  (version.to_int () < 0x00010002u || markGlyphSetsDef.sanitize (c, this)));
+		  (version.to_int () < 0x00010002u || markGlyphSetsDef.sanitize (c, this)) &&
+		  (version.to_int () < 0x00010003u || varStore.sanitize (c, this)));
   }
 
 
@@ -410,7 +416,7 @@ struct GDEF
 
   protected:
   FixedVersion<>version;		/* Version of the GDEF table--currently
-					 * 0x00010002u */
+					 * 0x00010003u */
   OffsetTo<ClassDef>
 		glyphClassDef;		/* Offset to class definition table
 					 * for glyph type--from beginning of
@@ -431,7 +437,12 @@ struct GDEF
 		markGlyphSetsDef;	/* Offset to the table of mark set
 					 * definitions--from beginning of GDEF
 					 * header (may be NULL).  Introduced
-					 * in version 00010002. */
+					 * in version 0x00010002. */
+  OffsetTo<VarStore, ULONG>
+		varStore;		/* Offset to the table of Item Variation
+					 * Store--from beginning of GDEF
+					 * header (may be NULL).  Introduced
+					 * in version 0x00010003. */
   public:
   DEFINE_SIZE_MIN (12);
 };

From 49cb87850c2692be45b201168c8ce10b263168cc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 16:27:03 -0700
Subject: [PATCH 0130/1326] [GX] Pass apply-context down to get_anchor()

Needed to access GDEF for varStore.
---
 src/hb-ot-layout-gpos-table.hh | 57 ++++++++++++++++++----------------
 1 file changed, 30 insertions(+), 27 deletions(-)

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index d5db21d80..83b806010 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -231,11 +231,12 @@ struct ValueFormat : USHORT
 
 struct AnchorFormat1
 {
-  inline void get_anchor (hb_font_t *font, hb_codepoint_t glyph_id HB_UNUSED,
+  inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
 			  hb_position_t *x, hb_position_t *y) const
   {
-      *x = font->em_scale_x (xCoordinate);
-      *y = font->em_scale_y (yCoordinate);
+    hb_font_t *font = c->font;
+    *x = font->em_scale_x (xCoordinate);
+    *y = font->em_scale_y (yCoordinate);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -254,18 +255,19 @@ struct AnchorFormat1
 
 struct AnchorFormat2
 {
-  inline void get_anchor (hb_font_t *font, hb_codepoint_t glyph_id,
+  inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id,
 			  hb_position_t *x, hb_position_t *y) const
   {
-      unsigned int x_ppem = font->x_ppem;
-      unsigned int y_ppem = font->y_ppem;
-      hb_position_t cx, cy;
-      hb_bool_t ret;
+    hb_font_t *font = c->font;
+    unsigned int x_ppem = font->x_ppem;
+    unsigned int y_ppem = font->y_ppem;
+    hb_position_t cx, cy;
+    hb_bool_t ret;
 
-      ret = (x_ppem || y_ppem) &&
-             font->get_glyph_contour_point_for_origin (glyph_id, anchorPoint, HB_DIRECTION_LTR, &cx, &cy);
-      *x = ret && x_ppem ? cx : font->em_scale_x (xCoordinate);
-      *y = ret && y_ppem ? cy : font->em_scale_y (yCoordinate);
+    ret = (x_ppem || y_ppem) &&
+	   font->get_glyph_contour_point_for_origin (glyph_id, anchorPoint, HB_DIRECTION_LTR, &cx, &cy);
+    *x = ret && x_ppem ? cx : font->em_scale_x (xCoordinate);
+    *y = ret && y_ppem ? cy : font->em_scale_y (yCoordinate);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -285,16 +287,17 @@ struct AnchorFormat2
 
 struct AnchorFormat3
 {
-  inline void get_anchor (hb_font_t *font, hb_codepoint_t glyph_id HB_UNUSED,
+  inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
 			  hb_position_t *x, hb_position_t *y) const
   {
-      *x = font->em_scale_x (xCoordinate);
-      *y = font->em_scale_y (yCoordinate);
+    hb_font_t *font = c->font;
+    *x = font->em_scale_x (xCoordinate);
+    *y = font->em_scale_y (yCoordinate);
 
-      if (font->x_ppem || font->num_coords)
-	*x += (this+xDeviceTable).get_x_delta (font);
-      if (font->y_ppem || font->num_coords)
-	*y += (this+yDeviceTable).get_x_delta (font);
+    if (font->x_ppem || font->num_coords)
+      *x += (this+xDeviceTable).get_x_delta (font);
+    if (font->y_ppem || font->num_coords)
+      *y += (this+yDeviceTable).get_x_delta (font);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -321,14 +324,14 @@ struct AnchorFormat3
 
 struct Anchor
 {
-  inline void get_anchor (hb_font_t *font, hb_codepoint_t glyph_id,
+  inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id,
 			  hb_position_t *x, hb_position_t *y) const
   {
     *x = *y = 0;
     switch (u.format) {
-    case 1: u.format1.get_anchor (font, glyph_id, x, y); return;
-    case 2: u.format2.get_anchor (font, glyph_id, x, y); return;
-    case 3: u.format3.get_anchor (font, glyph_id, x, y); return;
+    case 1: u.format1.get_anchor (c, glyph_id, x, y); return;
+    case 2: u.format2.get_anchor (c, glyph_id, x, y); return;
+    case 3: u.format3.get_anchor (c, glyph_id, x, y); return;
     default:						 return;
     }
   }
@@ -428,8 +431,8 @@ struct MarkArray : ArrayOf<MarkRecord>	/* Array of MarkRecords--in Coverage orde
 
     hb_position_t mark_x, mark_y, base_x, base_y;
 
-    mark_anchor.get_anchor (c->font, buffer->cur().codepoint, &mark_x, &mark_y);
-    glyph_anchor.get_anchor (c->font, buffer->info[glyph_pos].codepoint, &base_x, &base_y);
+    mark_anchor.get_anchor (c, buffer->cur().codepoint, &mark_x, &mark_y);
+    glyph_anchor.get_anchor (c, buffer->info[glyph_pos].codepoint, &base_x, &base_y);
 
     hb_glyph_position_t &o = buffer->cur_pos();
     o.x_offset = base_x - mark_x;
@@ -931,8 +934,8 @@ struct CursivePosFormat1
     unsigned int j = skippy_iter.idx;
 
     hb_position_t entry_x, entry_y, exit_x, exit_y;
-    (this+this_record.exitAnchor).get_anchor (c->font, buffer->info[i].codepoint, &exit_x, &exit_y);
-    (this+next_record.entryAnchor).get_anchor (c->font, buffer->info[j].codepoint, &entry_x, &entry_y);
+    (this+this_record.exitAnchor).get_anchor (c, buffer->info[i].codepoint, &exit_x, &exit_y);
+    (this+next_record.entryAnchor).get_anchor (c, buffer->info[j].codepoint, &entry_x, &entry_y);
 
     hb_glyph_position_t *pos = buffer->pos;
 

From dcfd309533ac83e44369dea7204d668623b08207 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 16:51:07 -0700
Subject: [PATCH 0131/1326] [GX] Change GDEF API to return varStore

---
 src/hb-ot-layout-gdef-table.hh | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index f8bbe3130..e7d14f660 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -374,9 +374,8 @@ struct GDEF
   { return version.to_int () >= 0x00010002u && (this+markGlyphSetsDef).covers (set_index, glyph_id); }
 
   inline bool has_var_store (void) const { return version.to_int () >= 0x00010003u && varStore != 0; }
-  inline float get_var_delta (unsigned int outer, unsigned int inner,
-			      int *coords, unsigned int coord_count) const
-  { return version.to_int () >= 0x00010003u ? (this+varStore).get_delta (outer, inner, coords, coord_count) : 0.; }
+  inline const VarStore &get_var_store (void) const
+  { return version.to_int () >= 0x00010003u ? this+varStore : Null(VarStore); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {

From 151d93de8a595924a8dcb00fcba648b4b3df0bf5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 17:03:11 -0700
Subject: [PATCH 0132/1326] [GX] Hook up GPOS to Variation Store stored in GDEF

Untested.
---
 src/hb-ot-layout-common-private.hh   | 22 +++++++--------
 src/hb-ot-layout-gdef-table.hh       | 27 ++++++++++++-------
 src/hb-ot-layout-gpos-table.hh       | 40 +++++++++++++---------------
 src/hb-ot-layout-gsubgpos-private.hh |  2 ++
 4 files changed, 48 insertions(+), 43 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index ad67972e0..8c63ad983 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1418,11 +1418,11 @@ struct VariationDevice
 
   private:
 
-  inline hb_position_t get_x_delta (hb_font_t *font) const
-  { return font->em_scalef_x (get_delta (font->x_coords, font->num_coords)); }
+  inline hb_position_t get_x_delta (hb_font_t *font, const VarStore &store) const
+  { return font->em_scalef_x (get_delta (store, font->x_coords, font->num_coords)); }
 
-  inline hb_position_t get_y_delta (hb_font_t *font) const
-  { return font->em_scalef_y (get_delta (font->y_coords, font->num_coords)); }
+  inline hb_position_t get_y_delta (hb_font_t *font, const VarStore &store) const
+  { return font->em_scalef_y (get_delta (store, font->y_coords, font->num_coords)); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -1432,11 +1432,10 @@ struct VariationDevice
 
   private:
 
-  inline float get_delta (int *coords, unsigned int coord_count) const
+  inline float get_delta (const VarStore &store,
+			  int *coords, unsigned int coord_count) const
   {
-    float v = 0;
-    /* XXXXXXXXXXXXXXX call into GDEF. */
-    return v;
+    return store.get_delta (outerIndex, innerIndex, coords, coord_count);
   }
 
   protected:
@@ -1449,25 +1448,26 @@ struct VariationDevice
 
 struct Device
 {
-  inline hb_position_t get_x_delta (hb_font_t *font) const
+  inline hb_position_t get_x_delta (hb_font_t *font, const VarStore &store) const
   {
     switch (u.b.format)
     {
     case 1: case 2: case 3:
       return u.hinting.get_x_delta (font);
     case 0x8000:
-      return u.variation.get_x_delta (font);
+      return u.variation.get_x_delta (font, store);
     default:
       return 0;
     }
   }
-  inline hb_position_t get_y_delta (hb_font_t *font) const
+  inline hb_position_t get_y_delta (hb_font_t *font, const VarStore &store) const
   {
     switch (u.b.format)
     {
     case 1: case 2: case 3:
       return u.hinting.get_x_delta (font);
     case 0x8000:
+      return u.variation.get_y_delta (font, store);
     default:
       return 0;
     }
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index e7d14f660..2a92ece49 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -97,7 +97,7 @@ struct CaretValueFormat1
   friend struct CaretValue;
 
   private:
-  inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id HB_UNUSED) const
+  inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction) const
   {
     return HB_DIRECTION_IS_HORIZONTAL (direction) ? font->em_scale_x (coordinate) : font->em_scale_y (coordinate);
   }
@@ -146,11 +146,11 @@ struct CaretValueFormat3
 {
   friend struct CaretValue;
 
-  inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id HB_UNUSED) const
+  inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, const VarStore &var_store) const
   {
     return HB_DIRECTION_IS_HORIZONTAL (direction) ?
-           font->em_scale_x (coordinate) + (this+deviceTable).get_x_delta (font) :
-           font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font);
+           font->em_scale_x (coordinate) + (this+deviceTable).get_x_delta (font, var_store) :
+           font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font, var_store);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -172,12 +172,15 @@ struct CaretValueFormat3
 
 struct CaretValue
 {
-  inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
+  inline hb_position_t get_caret_value (hb_font_t *font,
+					hb_direction_t direction,
+					hb_codepoint_t glyph_id,
+					const VarStore &var_store) const
   {
     switch (u.format) {
-    case 1: return u.format1.get_caret_value (font, direction, glyph_id);
+    case 1: return u.format1.get_caret_value (font, direction);
     case 2: return u.format2.get_caret_value (font, direction, glyph_id);
-    case 3: return u.format3.get_caret_value (font, direction, glyph_id);
+    case 3: return u.format3.get_caret_value (font, direction, var_store);
     default:return 0;
     }
   }
@@ -210,6 +213,7 @@ struct LigGlyph
   inline unsigned int get_lig_carets (hb_font_t *font,
 				      hb_direction_t direction,
 				      hb_codepoint_t glyph_id,
+				      const VarStore &var_store,
 				      unsigned int start_offset,
 				      unsigned int *caret_count /* IN/OUT */,
 				      hb_position_t *caret_array /* OUT */) const
@@ -218,7 +222,7 @@ struct LigGlyph
       const OffsetTo<CaretValue> *array = carets.sub_array (start_offset, caret_count);
       unsigned int count = *caret_count;
       for (unsigned int i = 0; i < count; i++)
-	caret_array[i] = (this+array[i]).get_caret_value (font, direction, glyph_id);
+	caret_array[i] = (this+array[i]).get_caret_value (font, direction, glyph_id, var_store);
     }
 
     return carets.len;
@@ -244,6 +248,7 @@ struct LigCaretList
   inline unsigned int get_lig_carets (hb_font_t *font,
 				      hb_direction_t direction,
 				      hb_codepoint_t glyph_id,
+				      const VarStore &var_store,
 				      unsigned int start_offset,
 				      unsigned int *caret_count /* IN/OUT */,
 				      hb_position_t *caret_array /* OUT */) const
@@ -256,7 +261,7 @@ struct LigCaretList
       return 0;
     }
     const LigGlyph &lig_glyph = this+ligGlyph[index];
-    return lig_glyph.get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array);
+    return lig_glyph.get_lig_carets (font, direction, glyph_id, var_store, start_offset, caret_count, caret_array);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -367,7 +372,9 @@ struct GDEF
 				      unsigned int start_offset,
 				      unsigned int *caret_count /* IN/OUT */,
 				      hb_position_t *caret_array /* OUT */) const
-  { return (this+ligCaretList).get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array); }
+  { return (this+ligCaretList).get_lig_carets (font,
+					       direction, glyph_id, get_var_store(),
+					       start_offset, caret_count, caret_array); }
 
   inline bool has_mark_sets (void) const { return version.to_int () >= 0x00010002u && markGlyphSetsDef != 0; }
   inline bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 83b806010..1893f0e4e 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -103,17 +103,17 @@ struct ValueFormat : USHORT
   inline unsigned int get_size (void) const
   { return get_len () * Value::static_size; }
 
-  void apply_value (hb_font_t            *font,
-		    hb_direction_t        direction,
+  void apply_value (hb_apply_context_t   *c,
 		    const void           *base,
 		    const Value          *values,
 		    hb_glyph_position_t  &glyph_pos) const
   {
     unsigned int format = *this;
-    hb_bool_t horizontal = HB_DIRECTION_IS_HORIZONTAL (direction);
-
     if (!format) return;
 
+    hb_font_t *font = c->font;
+    hb_bool_t horizontal = HB_DIRECTION_IS_HORIZONTAL (c->direction);
+
     if (format & xPlacement) glyph_pos.x_offset  += font->em_scale_x (get_short (values++));
     if (format & yPlacement) glyph_pos.y_offset  += font->em_scale_y (get_short (values++));
     if (format & xAdvance) {
@@ -131,25 +131,26 @@ struct ValueFormat : USHORT
     bool use_x_device = font->x_ppem || font->num_coords;
     bool use_y_device = font->y_ppem || font->num_coords;
 
-
     if (!use_x_device && !use_y_device) return;
 
+    const VarStore &store = c->var_store;
+
     /* pixel -> fractional pixel */
     if (format & xPlaDevice) {
-      if (use_x_device) glyph_pos.x_offset  += (base + get_device (values)).get_x_delta (font);
+      if (use_x_device) glyph_pos.x_offset  += (base + get_device (values)).get_x_delta (font, store);
       values++;
     }
     if (format & yPlaDevice) {
-      if (use_y_device) glyph_pos.y_offset  += (base + get_device (values)).get_y_delta (font);
+      if (use_y_device) glyph_pos.y_offset  += (base + get_device (values)).get_y_delta (font, store);
       values++;
     }
     if (format & xAdvDevice) {
-      if (horizontal && use_x_device) glyph_pos.x_advance += (base + get_device (values)).get_x_delta (font);
+      if (horizontal && use_x_device) glyph_pos.x_advance += (base + get_device (values)).get_x_delta (font, store);
       values++;
     }
     if (format & yAdvDevice) {
       /* y_advance values grow downward but font-space grows upward, hence negation */
-      if (!horizontal && use_y_device) glyph_pos.y_advance -= (base + get_device (values)).get_y_delta (font);
+      if (!horizontal && use_y_device) glyph_pos.y_advance -= (base + get_device (values)).get_y_delta (font, store);
       values++;
     }
   }
@@ -295,9 +296,9 @@ struct AnchorFormat3
     *y = font->em_scale_y (yCoordinate);
 
     if (font->x_ppem || font->num_coords)
-      *x += (this+xDeviceTable).get_x_delta (font);
+      *x += (this+xDeviceTable).get_x_delta (font, c->var_store);
     if (font->y_ppem || font->num_coords)
-      *y += (this+yDeviceTable).get_x_delta (font);
+      *y += (this+yDeviceTable).get_x_delta (font, c->var_store);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -475,8 +476,7 @@ struct SinglePosFormat1
     unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
     if (likely (index == NOT_COVERED)) return_trace (false);
 
-    valueFormat.apply_value (c->font, c->direction, this,
-			     values, buffer->cur_pos());
+    valueFormat.apply_value (c, this, values, buffer->cur_pos());
 
     buffer->idx++;
     return_trace (true);
@@ -526,7 +526,7 @@ struct SinglePosFormat2
 
     if (likely (index >= valueCount)) return_trace (false);
 
-    valueFormat.apply_value (c->font, c->direction, this,
+    valueFormat.apply_value (c, this,
 			     &values[index * valueFormat.get_len ()],
 			     buffer->cur_pos());
 
@@ -643,10 +643,8 @@ struct PairSet
         min = mid + 1;
       else
       {
-	valueFormats[0].apply_value (c->font, c->direction, this,
-				     &record->values[0], buffer->cur_pos());
-	valueFormats[1].apply_value (c->font, c->direction, this,
-				     &record->values[len1], buffer->pos[pos]);
+	valueFormats[0].apply_value (c, this, &record->values[0], buffer->cur_pos());
+	valueFormats[1].apply_value (c, this, &record->values[len1], buffer->pos[pos]);
 	if (len2)
 	  pos++;
 	buffer->idx = pos;
@@ -793,10 +791,8 @@ struct PairPosFormat2
     if (unlikely (klass1 >= class1Count || klass2 >= class2Count)) return_trace (false);
 
     const Value *v = &values[record_len * (klass1 * class2Count + klass2)];
-    valueFormat1.apply_value (c->font, c->direction, this,
-			      v, buffer->cur_pos());
-    valueFormat2.apply_value (c->font, c->direction, this,
-			      v + len1, buffer->pos[skippy_iter.idx]);
+    valueFormat1.apply_value (c, this, v, buffer->cur_pos());
+    valueFormat2.apply_value (c, this, v + len1, buffer->pos[skippy_iter.idx]);
 
     buffer->idx = skippy_iter.idx;
     if (len2)
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 997d22550..1f501c694 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -469,6 +469,7 @@ struct hb_apply_context_t :
   unsigned int lookup_props;
   const GDEF &gdef;
   bool has_glyph_classes;
+  const VarStore &var_store;
   skipping_iterator_t iter_input, iter_context;
   unsigned int lookup_index;
   unsigned int debug_depth;
@@ -487,6 +488,7 @@ struct hb_apply_context_t :
 			lookup_props (0),
 			gdef (*hb_ot_layout_from_face (face)->gdef),
 			has_glyph_classes (gdef.has_glyph_classes ()),
+			var_store (gdef.get_var_store ()),
 			iter_input (),
 			iter_context (),
 			lookup_index ((unsigned int) -1),

From ad69e8f07c6e3e47fe7e7103c2ff7c053d272b1a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 22:23:34 -0700
Subject: [PATCH 0133/1326] [GX] Add new API
 hb_font_set_var_coords_normalized()

Will probably change.
---
 src/hb-font.cc | 23 +++++++++++++++++++++++
 src/hb-font.h  |  5 +++++
 2 files changed, 28 insertions(+)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 978e7dd06..d27961db9 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1548,6 +1548,29 @@ hb_font_get_ppem (hb_font_t *font,
 }
 
 
+void
+hb_font_set_var_coords_normalized (hb_font_t *font,
+				   int *coords, /* XXX 2.14 normalized */
+				   unsigned int coords_length)
+{
+  if (font->immutable)
+    return;
+
+  int *copy = (int *) calloc (coords_length, sizeof (coords[0]));
+  if (unlikely (!copy))
+    return;
+
+  if (font->x_coords)
+    free (font->x_coords);
+  if (font->y_coords && font->y_coords != font->x_coords)
+    free (font->y_coords);
+
+  memcpy (copy, coords, coords_length * sizeof (coords[0]));
+  font->x_coords = font->y_coords = copy;
+  font->num_coords = coords_length;
+}
+
+
 #ifndef HB_DISABLE_DEPRECATED
 
 /*
diff --git a/src/hb-font.h b/src/hb-font.h
index 2b6ab5088..881328672 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -604,6 +604,11 @@ hb_font_get_ppem (hb_font_t *font,
 		  unsigned int *y_ppem);
 
 
+HB_EXTERN void
+hb_font_set_var_coords_normalized (hb_font_t *font,
+				   int *coords, /* XXX 2.14 normalized */
+				   unsigned int coords_length);
+
 HB_END_DECLS
 
 #endif /* HB_FONT_H */

From 1124d2ece55e323ed934357b30e68df75829cfaa Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 22:48:27 -0700
Subject: [PATCH 0134/1326] [GX] Fix thinko

---
 src/hb-ot-layout-common-private.hh | 1 -
 src/hb-ot-layout-gpos-table.hh     | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 8c63ad983..35889c712 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1265,7 +1265,6 @@ struct VarData
    const BYTE *bytes = &StructAfter<BYTE> (regionIndices);
    const BYTE *row = bytes + inner * (scount + count);
 
-
    float delta = 0.;
    unsigned int i = 0;
 
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 1893f0e4e..dd398f75c 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -298,7 +298,7 @@ struct AnchorFormat3
     if (font->x_ppem || font->num_coords)
       *x += (this+xDeviceTable).get_x_delta (font, c->var_store);
     if (font->y_ppem || font->num_coords)
-      *y += (this+yDeviceTable).get_x_delta (font, c->var_store);
+      *y += (this+yDeviceTable).get_y_delta (font, c->var_store);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const

From 250bcd6fb691d6f15fa9ca71b475ce419d0b5e37 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Sep 2016 23:12:14 -0700
Subject: [PATCH 0135/1326] [GX] Skip tail zero entries when setting variation
 coordinates

---
 src/hb-font.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index d27961db9..cce4359ce 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1556,6 +1556,10 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   if (font->immutable)
     return;
 
+  /* Skip tail zero entries. */
+  while (coords_length && !coords[coords_length - 1])
+    coords_length--;
+
   int *copy = (int *) calloc (coords_length, sizeof (coords[0]));
   if (unlikely (!copy))
     return;

From 1f6ed356e0a849b61ce98b6a2f38d04d98c2191e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 00:01:10 -0700
Subject: [PATCH 0136/1326] [GX] Fix build with some compilers

Eg. https://ci.appveyor.com/project/behdad/harfbuzz/build/1.0.48/job/o9mnd33kcdeeg30r

hb-open-type-private.hh:103:29: error: static data member 'OT::Device::<anonymous union>::<anonymous struct>::static_size' in unnamed class [-fpermissive]
---
 src/hb-ot-layout-common-private.hh | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 35889c712..c18e52033 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1445,6 +1445,17 @@ struct VariationDevice
   DEFINE_SIZE_STATIC (6);
 };
 
+struct DeviceHeader
+{
+  protected:
+  USHORT		reserved1;
+  USHORT		reserved2;
+  public:
+  USHORT		format;		/* Format identifier */
+  public:
+  DEFINE_SIZE_STATIC (6);
+};
+
 struct Device
 {
   inline hb_position_t get_x_delta (hb_font_t *font, const VarStore &store) const
@@ -1488,13 +1499,7 @@ struct Device
 
   protected:
   union {
-  struct {
-    USHORT		reserved1;
-    USHORT		reserved2;
-    USHORT		format;		/* Format identifier */
-    public:
-    DEFINE_SIZE_STATIC (6);
-  } b;
+  DeviceHeader		b;
   HintingDevice		hinting;
   VariationDevice	variation;
   } u;

From cf3de4d8f79fc6e8413957cdef034e975343ce30 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 00:22:24 -0700
Subject: [PATCH 0137/1326] [GX] Rename VarStore to VariationStore

---
 src/hb-ot-layout-common-private.hh   | 12 ++++++------
 src/hb-ot-layout-gdef-table.hh       | 14 +++++++-------
 src/hb-ot-layout-gpos-table.hh       |  2 +-
 src/hb-ot-layout-gsubgpos-private.hh |  2 +-
 4 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index c18e52033..c31a19711 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1303,7 +1303,7 @@ struct VarData
   DEFINE_SIZE_ARRAY2 (6, regionIndices, bytesX);
 };
 
-struct VarStore
+struct VariationStore
 {
   inline float get_delta (unsigned int outer, unsigned int inner,
 			  int *coords, unsigned int coord_count) const
@@ -1417,10 +1417,10 @@ struct VariationDevice
 
   private:
 
-  inline hb_position_t get_x_delta (hb_font_t *font, const VarStore &store) const
+  inline hb_position_t get_x_delta (hb_font_t *font, const VariationStore &store) const
   { return font->em_scalef_x (get_delta (store, font->x_coords, font->num_coords)); }
 
-  inline hb_position_t get_y_delta (hb_font_t *font, const VarStore &store) const
+  inline hb_position_t get_y_delta (hb_font_t *font, const VariationStore &store) const
   { return font->em_scalef_y (get_delta (store, font->y_coords, font->num_coords)); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -1431,7 +1431,7 @@ struct VariationDevice
 
   private:
 
-  inline float get_delta (const VarStore &store,
+  inline float get_delta (const VariationStore &store,
 			  int *coords, unsigned int coord_count) const
   {
     return store.get_delta (outerIndex, innerIndex, coords, coord_count);
@@ -1458,7 +1458,7 @@ struct DeviceHeader
 
 struct Device
 {
-  inline hb_position_t get_x_delta (hb_font_t *font, const VarStore &store) const
+  inline hb_position_t get_x_delta (hb_font_t *font, const VariationStore &store) const
   {
     switch (u.b.format)
     {
@@ -1470,7 +1470,7 @@ struct Device
       return 0;
     }
   }
-  inline hb_position_t get_y_delta (hb_font_t *font, const VarStore &store) const
+  inline hb_position_t get_y_delta (hb_font_t *font, const VariationStore &store) const
   {
     switch (u.b.format)
     {
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index 2a92ece49..d85140e27 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -146,7 +146,7 @@ struct CaretValueFormat3
 {
   friend struct CaretValue;
 
-  inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, const VarStore &var_store) const
+  inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, const VariationStore &var_store) const
   {
     return HB_DIRECTION_IS_HORIZONTAL (direction) ?
            font->em_scale_x (coordinate) + (this+deviceTable).get_x_delta (font, var_store) :
@@ -175,7 +175,7 @@ struct CaretValue
   inline hb_position_t get_caret_value (hb_font_t *font,
 					hb_direction_t direction,
 					hb_codepoint_t glyph_id,
-					const VarStore &var_store) const
+					const VariationStore &var_store) const
   {
     switch (u.format) {
     case 1: return u.format1.get_caret_value (font, direction);
@@ -213,7 +213,7 @@ struct LigGlyph
   inline unsigned int get_lig_carets (hb_font_t *font,
 				      hb_direction_t direction,
 				      hb_codepoint_t glyph_id,
-				      const VarStore &var_store,
+				      const VariationStore &var_store,
 				      unsigned int start_offset,
 				      unsigned int *caret_count /* IN/OUT */,
 				      hb_position_t *caret_array /* OUT */) const
@@ -248,7 +248,7 @@ struct LigCaretList
   inline unsigned int get_lig_carets (hb_font_t *font,
 				      hb_direction_t direction,
 				      hb_codepoint_t glyph_id,
-				      const VarStore &var_store,
+				      const VariationStore &var_store,
 				      unsigned int start_offset,
 				      unsigned int *caret_count /* IN/OUT */,
 				      hb_position_t *caret_array /* OUT */) const
@@ -381,8 +381,8 @@ struct GDEF
   { return version.to_int () >= 0x00010002u && (this+markGlyphSetsDef).covers (set_index, glyph_id); }
 
   inline bool has_var_store (void) const { return version.to_int () >= 0x00010003u && varStore != 0; }
-  inline const VarStore &get_var_store (void) const
-  { return version.to_int () >= 0x00010003u ? this+varStore : Null(VarStore); }
+  inline const VariationStore &get_var_store (void) const
+  { return version.to_int () >= 0x00010003u ? this+varStore : Null(VariationStore); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -444,7 +444,7 @@ struct GDEF
 					 * definitions--from beginning of GDEF
 					 * header (may be NULL).  Introduced
 					 * in version 0x00010002. */
-  OffsetTo<VarStore, ULONG>
+  OffsetTo<VariationStore, ULONG>
 		varStore;		/* Offset to the table of Item Variation
 					 * Store--from beginning of GDEF
 					 * header (may be NULL).  Introduced
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index dd398f75c..0ced5d03e 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -133,7 +133,7 @@ struct ValueFormat : USHORT
 
     if (!use_x_device && !use_y_device) return;
 
-    const VarStore &store = c->var_store;
+    const VariationStore &store = c->var_store;
 
     /* pixel -> fractional pixel */
     if (format & xPlaDevice) {
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 1f501c694..5cb6ba7c3 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -469,7 +469,7 @@ struct hb_apply_context_t :
   unsigned int lookup_props;
   const GDEF &gdef;
   bool has_glyph_classes;
-  const VarStore &var_store;
+  const VariationStore &var_store;
   skipping_iterator_t iter_input, iter_context;
   unsigned int lookup_index;
   unsigned int debug_depth;

From 85ec4944346a1ac111217698e1424669a9732280 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 00:25:16 -0700
Subject: [PATCH 0138/1326] [GX] Fix another x/y thinko

Thanks Werner!
---
 src/hb-ot-layout-common-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index c31a19711..3f835f13d 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1475,7 +1475,7 @@ struct Device
     switch (u.b.format)
     {
     case 1: case 2: case 3:
-      return u.hinting.get_x_delta (font);
+      return u.hinting.get_y_delta (font);
     case 0x8000:
       return u.variation.get_y_delta (font, store);
     default:

From 59055b5494f802013ca3613a15e565ae1ca0c589 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 01:24:28 -0700
Subject: [PATCH 0139/1326] [GX] Implement Feature Variations

Not hooked up to shaper yet.
---
 src/hb-ot-layout-common-private.hh   | 168 ++++++++++++++++++++++++++-
 src/hb-ot-layout-gdef-table.hh       |   1 -
 src/hb-ot-layout-gpos-table.hh       |   2 -
 src/hb-ot-layout-gsub-table.hh       |   2 -
 src/hb-ot-layout-gsubgpos-private.hh |  15 ++-
 5 files changed, 180 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 3f835f13d..fb99ec3e0 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -507,7 +507,7 @@ struct Feature
   { return this+featureParams; }
 
   inline bool sanitize (hb_sanitize_context_t *c,
-			const Record<Feature>::sanitize_closure_t *closure) const
+			const Record<Feature>::sanitize_closure_t *closure = NULL) const
   {
     TRACE_SANITIZE (this);
     if (unlikely (!(c->check_struct (this) && lookupIndex.sanitize (c))))
@@ -1333,6 +1333,172 @@ struct VariationStore
   DEFINE_SIZE_ARRAY (8, dataSets);
 };
 
+/*
+ * Feature Variations
+ */
+
+struct ConditionFormat1
+{
+  friend struct Condition;
+
+  private:
+  inline bool evaluate (int *coords, unsigned int coord_len) const
+  {
+    int coord = axisIndex < coord_len ? coords[axisIndex] : 0;
+    return filterRangeMinValue <= coord && coord <= filterRangeMaxValue;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  protected:
+  USHORT	format;		/* Format identifier--format = 1 */
+  USHORT	axisIndex;
+  F2DOT14	filterRangeMinValue;
+  F2DOT14	filterRangeMaxValue;
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
+struct Condition
+{
+  inline bool evaluate (int *coords, unsigned int coord_len) const
+  {
+    switch (u.format) {
+    case 1: return u.format1.evaluate (coords, coord_len);
+    default:return false;
+    }
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!u.format.sanitize (c)) return_trace (false);
+    switch (u.format) {
+    case 1: return_trace (u.format1.sanitize (c));
+    default:return_trace (true);
+    }
+  }
+
+  protected:
+  union {
+  USHORT		format;		/* Format identifier */
+  ConditionFormat1	format1;
+  } u;
+  public:
+  DEFINE_SIZE_UNION (2, format);
+};
+
+struct ConditionSet
+{
+  inline bool evaluate (int *coords, unsigned int coord_len) const
+  {
+    unsigned int count = conditions.len;
+    for (unsigned int i = 0; i < count; i++)
+      if (!(this+conditions.array[i]).evaluate (coords, coord_len))
+        return false;
+    return true;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (conditions.sanitize (c, this));
+  }
+
+  protected:
+  OffsetArrayOf<Condition, ULONG> conditions;
+  public:
+  DEFINE_SIZE_ARRAY (2, conditions);
+};
+
+struct FeatureTableSubstitutionRecord
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && feature.sanitize (c, this));
+  }
+
+  protected:
+  USHORT			featureIndex;
+  OffsetTo<Feature, ULONG>	feature;
+  public:
+  DEFINE_SIZE_STATIC (6);
+};
+
+struct FeatureTableSubstitution
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+		  likely (version.major == 1) &&
+		  substitutions.sanitize (c, this));
+  }
+
+  protected:
+  FixedVersion<>	version;	/* Version--0x00010000u */
+  OffsetArrayOf<FeatureTableSubstitutionRecord, ULONG>
+			substitutions;
+  public:
+  DEFINE_SIZE_ARRAY (6, substitutions);
+};
+
+struct FeatureVariationRecord
+{
+  friend struct FeatureVariations;
+
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (conditions.sanitize (c, base) &&
+		  substitutions.sanitize (c, base));
+  }
+
+  protected:
+  OffsetTo<ConditionSet, ULONG>
+			conditions;
+  OffsetTo<FeatureTableSubstitution, ULONG>
+			substitutions;
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
+struct FeatureVariations
+{
+  inline const FeatureTableSubstitution &
+	       get_substitutions (int *coords, unsigned int coord_len) const
+  {
+    unsigned int count = varRecords.len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      const FeatureVariationRecord &record = varRecords.array[i];
+      if ((this+record.conditions).evaluate (coords, coord_len))
+        return (this+record.substitutions);
+    }
+    return Null(FeatureTableSubstitution);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+		  likely (version.major == 1) &&
+		  varRecords.sanitize (c, this));
+  }
+
+  protected:
+  FixedVersion<>	version;	/* Version--0x00010000u */
+  ArrayOf<FeatureVariationRecord, ULONG>
+			varRecords;
+  public:
+  DEFINE_SIZE_ARRAY (8, varRecords);
+};
+
 
 /*
  * Device Tables
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index d85140e27..b70cbb7a3 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -397,7 +397,6 @@ struct GDEF
 		  (version.to_int () < 0x00010003u || varStore.sanitize (c, this)));
   }
 
-
   /* glyph_props is a 16-bit integer where the lower 8-bit have bits representing
    * glyph class and other bits, and high 8-bit gthe mark attachment type (if any).
    * Not to be confused with lookup_props which is very similar. */
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 0ced5d03e..5c9fc29ca 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -1518,8 +1518,6 @@ struct GPOS : GSUBGPOS
     const OffsetTo<PosLookupList> &list = CastR<OffsetTo<PosLookupList> > (lookupList);
     return_trace (list.sanitize (c, this));
   }
-  public:
-  DEFINE_SIZE_STATIC (10);
 };
 
 
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 22031f43c..6658a2cd9 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -1273,8 +1273,6 @@ struct GSUB : GSUBGPOS
     const OffsetTo<SubstLookupList> &list = CastR<OffsetTo<SubstLookupList> > (lookupList);
     return_trace (list.sanitize (c, this));
   }
-  public:
-  DEFINE_SIZE_STATIC (10);
 };
 
 
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 5cb6ba7c3..490b91e1b 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -2271,6 +2271,11 @@ struct GSUBGPOS
   inline const Lookup& get_lookup (unsigned int i) const
   { return (this+lookupList)[i]; }
 
+  inline const FeatureTableSubstitution &
+	       get_feature_substitutions (int *coords, unsigned int coord_len) const
+  { return (version.to_int () >= 0x00010001u ? this+featureVars : Null(FeatureVariations))
+	   .get_substitutions (coords, coord_len); }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -2278,7 +2283,8 @@ struct GSUBGPOS
 		  likely (version.major == 1) &&
 		  scriptList.sanitize (c, this) &&
 		  featureList.sanitize (c, this) &&
-		  lookupList.sanitize (c, this));
+		  lookupList.sanitize (c, this) &&
+		  (version.to_int () < 0x00010001u || featureVars.sanitize (c, this)));
   }
 
   protected:
@@ -2290,8 +2296,13 @@ struct GSUBGPOS
 		featureList; 	/* FeatureList table */
   OffsetTo<LookupList>
 		lookupList; 	/* LookupList table */
+  OffsetTo<FeatureVariations, ULONG>
+		featureVars;	/* Offset to Feature Variations
+				   table--from beginning of table
+				 * (may be NULL).  Introduced
+				 * in version 0x00010001. */
   public:
-  DEFINE_SIZE_STATIC (10);
+  DEFINE_SIZE_MIN (10);
 };
 
 

From c22176d4bac720b4c9121b3d6629595831f19fb0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 01:58:27 -0700
Subject: [PATCH 0140/1326] [GX] Handle setting var coords to NULL

---
 src/hb-font.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index cce4359ce..24ecb4502 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1560,8 +1560,8 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   while (coords_length && !coords[coords_length - 1])
     coords_length--;
 
-  int *copy = (int *) calloc (coords_length, sizeof (coords[0]));
-  if (unlikely (!copy))
+  int *copy = coords_length ? (int *) calloc (coords_length, sizeof (coords[0])) : NULL;
+  if (unlikely (coords_length && !copy))
     return;
 
   if (font->x_coords)
@@ -1569,7 +1569,9 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   if (font->y_coords && font->y_coords != font->x_coords)
     free (font->y_coords);
 
-  memcpy (copy, coords, coords_length * sizeof (coords[0]));
+  if (coords_length)
+    memcpy (copy, coords, coords_length * sizeof (coords[0]));
+
   font->x_coords = font->y_coords = copy;
   font->num_coords = coords_length;
 }

From 26648cebcd14bd26142ccfe5ac8c0be08a213671 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 02:11:05 -0700
Subject: [PATCH 0141/1326] [GX] Remove (partial) support for anisotropic
 variations

It doesn't always work, not part of FreeType, and we were not going
to expose it in the API anyway.  Can always be added later.
---
 src/hb-font-private.hh             |  3 +--
 src/hb-font.cc                     | 17 ++++++-----------
 src/hb-ot-layout-common-private.hh |  9 ++++-----
 3 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 48dc72564..53671d78d 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -110,8 +110,7 @@ struct hb_font_t {
 
   /* Font variation coordinates. */
   unsigned int num_coords;
-  int *x_coords;
-  int *y_coords;
+  int *coords;
 
   hb_font_funcs_t   *klass;
   void              *user_data;
diff --git a/src/hb-font.cc b/src/hb-font.cc
index 24ecb4502..f12dfb5d3 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1197,8 +1197,7 @@ hb_font_get_empty (void)
     0, /* y_ppem */
 
     0, /* num_coords */
-    NULL, /* x_coords */
-    NULL, /* y_coords */
+    NULL, /* coords */
 
     const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */
     NULL, /* user_data */
@@ -1254,10 +1253,8 @@ hb_font_destroy (hb_font_t *font)
   hb_face_destroy (font->face);
   hb_font_funcs_destroy (font->klass);
 
-  if (font->x_coords)
-    free (font->x_coords);
-  if (font->y_coords && font->y_coords != font->x_coords)
-    free (font->y_coords);
+  if (font->coords)
+    free (font->coords);
 
   free (font);
 }
@@ -1564,15 +1561,13 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   if (unlikely (coords_length && !copy))
     return;
 
-  if (font->x_coords)
-    free (font->x_coords);
-  if (font->y_coords && font->y_coords != font->x_coords)
-    free (font->y_coords);
+  if (font->coords)
+    free (font->coords);
 
   if (coords_length)
     memcpy (copy, coords, coords_length * sizeof (coords[0]));
 
-  font->x_coords = font->y_coords = copy;
+  font->coords = copy;
   font->num_coords = coords_length;
 }
 
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index fb99ec3e0..3c574af70 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1584,10 +1584,10 @@ struct VariationDevice
   private:
 
   inline hb_position_t get_x_delta (hb_font_t *font, const VariationStore &store) const
-  { return font->em_scalef_x (get_delta (store, font->x_coords, font->num_coords)); }
+  { return font->em_scalef_x (get_delta (font, store)); }
 
   inline hb_position_t get_y_delta (hb_font_t *font, const VariationStore &store) const
-  { return font->em_scalef_y (get_delta (store, font->y_coords, font->num_coords)); }
+  { return font->em_scalef_y (get_delta (font, store)); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -1597,10 +1597,9 @@ struct VariationDevice
 
   private:
 
-  inline float get_delta (const VariationStore &store,
-			  int *coords, unsigned int coord_count) const
+  inline float get_delta (hb_font_t *font, const VariationStore &store) const
   {
-    return store.get_delta (outerIndex, innerIndex, coords, coord_count);
+    return store.get_delta (outerIndex, innerIndex, font->coords, font->num_coords);
   }
 
   protected:

From bde5e3959c0ffdb92db87668035b01aaee9b2352 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 02:43:20 -0700
Subject: [PATCH 0142/1326] Move add_lookups from map to map-builder

In prep for more changes.
---
 src/hb-ot-map-private.hh | 15 ++++++++-------
 src/hb-ot-map.cc         | 29 +++++++++++++++--------------
 2 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index 8692caa93..fc5ce6637 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -139,12 +139,6 @@ struct hb_ot_map_t
 
   private:
 
-  HB_INTERNAL void add_lookups (hb_face_t    *face,
-				unsigned int  table_index,
-				unsigned int  feature_index,
-				hb_mask_t     mask,
-				bool          auto_zwj);
-
   hb_mask_t global_mask;
 
   hb_prealloced_array_t<feature_map_t, 8> features;
@@ -182,7 +176,7 @@ struct hb_ot_map_builder_t
   inline void add_gpos_pause (hb_ot_map_t::pause_func_t pause_func)
   { add_pause (1, pause_func); }
 
-  HB_INTERNAL void compile (struct hb_ot_map_t &m);
+  HB_INTERNAL void compile (hb_ot_map_t &m);
 
   inline void finish (void) {
     feature_infos.finish ();
@@ -194,6 +188,13 @@ struct hb_ot_map_builder_t
 
   private:
 
+  HB_INTERNAL void add_lookups (hb_ot_map_t   &m,
+				hb_face_t     *face,
+				unsigned int   table_index,
+				unsigned int   feature_index,
+				hb_mask_t      mask,
+				bool           auto_zwj);
+
   struct feature_info_t {
     hb_tag_t tag;
     unsigned int seq; /* sequence#, used for stable sorting only */
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 17e3f4065..a45c2f9e8 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -32,11 +32,12 @@
 
 
 void
-hb_ot_map_t::add_lookups (hb_face_t    *face,
-			  unsigned int  table_index,
-			  unsigned int  feature_index,
-			  hb_mask_t     mask,
-			  bool          auto_zwj)
+hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
+				  hb_face_t    *face,
+				  unsigned int  table_index,
+				  unsigned int  feature_index,
+				  hb_mask_t     mask,
+				  bool          auto_zwj)
 {
   unsigned int lookup_indices[32];
   unsigned int offset, len;
@@ -57,7 +58,7 @@ hb_ot_map_t::add_lookups (hb_face_t    *face,
     {
       if (lookup_indices[i] >= table_lookup_count)
 	continue;
-      hb_ot_map_t::lookup_map_t *lookup = lookups[table_index].push ();
+      hb_ot_map_t::lookup_map_t *lookup = m.lookups[table_index].push ();
       if (unlikely (!lookup))
         return;
       lookup->mask = mask;
@@ -268,17 +269,17 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m)
     {
       if (required_feature_index[table_index] != HB_OT_LAYOUT_NO_FEATURE_INDEX &&
 	  required_feature_stage[table_index] == stage)
-	m.add_lookups (face, table_index,
-		       required_feature_index[table_index],
-		       1 /* mask */,
-		       true /* auto_zwj */);
+	add_lookups (m, face, table_index,
+		     required_feature_index[table_index],
+		     1 /* mask */,
+		     true /* auto_zwj */);
 
       for (unsigned i = 0; i < m.features.len; i++)
         if (m.features[i].stage[table_index] == stage)
-	  m.add_lookups (face, table_index,
-			 m.features[i].index[table_index],
-			 m.features[i].mask,
-			 m.features[i].auto_zwj);
+	  add_lookups (m, face, table_index,
+		       m.features[i].index[table_index],
+		       m.features[i].mask,
+		       m.features[i].auto_zwj);
 
       /* Sort lookups and merge duplicates */
       if (last_num_lookups < m.lookups[table_index].len)

From 7ceadbe981aa50481163bb365f0fe3f994266165 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 02:44:20 -0700
Subject: [PATCH 0143/1326] Shuffle code around

---
 src/hb-ot-map.cc | 81 ++++++++++++++++++++++++------------------------
 1 file changed, 41 insertions(+), 40 deletions(-)

diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index a45c2f9e8..9cd3a4472 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -31,45 +31,13 @@
 #include "hb-ot-layout-private.hh"
 
 
-void
-hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
-				  hb_face_t    *face,
-				  unsigned int  table_index,
-				  unsigned int  feature_index,
-				  hb_mask_t     mask,
-				  bool          auto_zwj)
+void hb_ot_map_t::collect_lookups (unsigned int table_index, hb_set_t *lookups_out) const
 {
-  unsigned int lookup_indices[32];
-  unsigned int offset, len;
-  unsigned int table_lookup_count;
-
-  table_lookup_count = hb_ot_layout_table_get_lookup_count (face, table_tags[table_index]);
-
-  offset = 0;
-  do {
-    len = ARRAY_LENGTH (lookup_indices);
-    hb_ot_layout_feature_get_lookups (face,
-				      table_tags[table_index],
-				      feature_index,
-				      offset, &len,
-				      lookup_indices);
-
-    for (unsigned int i = 0; i < len; i++)
-    {
-      if (lookup_indices[i] >= table_lookup_count)
-	continue;
-      hb_ot_map_t::lookup_map_t *lookup = m.lookups[table_index].push ();
-      if (unlikely (!lookup))
-        return;
-      lookup->mask = mask;
-      lookup->index = lookup_indices[i];
-      lookup->auto_zwj = auto_zwj;
-    }
-
-    offset += len;
-  } while (len == ARRAY_LENGTH (lookup_indices));
+  for (unsigned int i = 0; i < lookups[table_index].len; i++)
+    hb_set_add (lookups_out, lookups[table_index][i].index);
 }
 
+
 hb_ot_map_builder_t::hb_ot_map_builder_t (hb_face_t *face_,
 					  const hb_segment_properties_t *props_)
 {
@@ -110,13 +78,46 @@ void hb_ot_map_builder_t::add_feature (hb_tag_t tag, unsigned int value,
   info->stage[1] = current_stage[1];
 }
 
-
-void hb_ot_map_t::collect_lookups (unsigned int table_index, hb_set_t *lookups_out) const
+void
+hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
+				  hb_face_t    *face,
+				  unsigned int  table_index,
+				  unsigned int  feature_index,
+				  hb_mask_t     mask,
+				  bool          auto_zwj)
 {
-  for (unsigned int i = 0; i < lookups[table_index].len; i++)
-    hb_set_add (lookups_out, lookups[table_index][i].index);
+  unsigned int lookup_indices[32];
+  unsigned int offset, len;
+  unsigned int table_lookup_count;
+
+  table_lookup_count = hb_ot_layout_table_get_lookup_count (face, table_tags[table_index]);
+
+  offset = 0;
+  do {
+    len = ARRAY_LENGTH (lookup_indices);
+    hb_ot_layout_feature_get_lookups (face,
+				      table_tags[table_index],
+				      feature_index,
+				      offset, &len,
+				      lookup_indices);
+
+    for (unsigned int i = 0; i < len; i++)
+    {
+      if (lookup_indices[i] >= table_lookup_count)
+	continue;
+      hb_ot_map_t::lookup_map_t *lookup = m.lookups[table_index].push ();
+      if (unlikely (!lookup))
+        return;
+      lookup->mask = mask;
+      lookup->index = lookup_indices[i];
+      lookup->auto_zwj = auto_zwj;
+    }
+
+    offset += len;
+  } while (len == ARRAY_LENGTH (lookup_indices));
 }
 
+
 void hb_ot_map_builder_t::add_pause (unsigned int table_index, hb_ot_map_t::pause_func_t pause_func)
 {
   stage_info_t *s = stages[table_index].push ();

From 30c42b644eb33551aa0986287182a46f2d8c32ed Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 03:32:39 -0700
Subject: [PATCH 0144/1326] [GX] Add
 hb_ot_layout_table_find_feature_variations()

---
 src/hb-ot-layout-common-private.hh   | 18 +++++++++++-------
 src/hb-ot-layout-gsubgpos-private.hh |  6 +++---
 src/hb-ot-layout.cc                  | 15 +++++++++++++++
 src/hb-ot-layout.h                   | 10 ++++++++++
 4 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 3c574af70..e67a5145d 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1342,7 +1342,7 @@ struct ConditionFormat1
   friend struct Condition;
 
   private:
-  inline bool evaluate (int *coords, unsigned int coord_len) const
+  inline bool evaluate (const int *coords, unsigned int coord_len) const
   {
     int coord = axisIndex < coord_len ? coords[axisIndex] : 0;
     return filterRangeMinValue <= coord && coord <= filterRangeMaxValue;
@@ -1365,7 +1365,7 @@ struct ConditionFormat1
 
 struct Condition
 {
-  inline bool evaluate (int *coords, unsigned int coord_len) const
+  inline bool evaluate (const int *coords, unsigned int coord_len) const
   {
     switch (u.format) {
     case 1: return u.format1.evaluate (coords, coord_len);
@@ -1394,7 +1394,7 @@ struct Condition
 
 struct ConditionSet
 {
-  inline bool evaluate (int *coords, unsigned int coord_len) const
+  inline bool evaluate (const int *coords, unsigned int coord_len) const
   {
     unsigned int count = conditions.len;
     for (unsigned int i = 0; i < count; i++)
@@ -1470,17 +1470,21 @@ struct FeatureVariationRecord
 
 struct FeatureVariations
 {
-  inline const FeatureTableSubstitution &
-	       get_substitutions (int *coords, unsigned int coord_len) const
+  inline bool find_index (const int *coords, unsigned int coord_len,
+			  unsigned int *index) const
   {
     unsigned int count = varRecords.len;
     for (unsigned int i = 0; i < count; i++)
     {
       const FeatureVariationRecord &record = varRecords.array[i];
       if ((this+record.conditions).evaluate (coords, coord_len))
-        return (this+record.substitutions);
+      {
+	*index = i;
+	return true;
+      }
     }
-    return Null(FeatureTableSubstitution);
+    *index = 0xFFFFFFFF;
+    return false;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 490b91e1b..e20777acb 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -2271,10 +2271,10 @@ struct GSUBGPOS
   inline const Lookup& get_lookup (unsigned int i) const
   { return (this+lookupList)[i]; }
 
-  inline const FeatureTableSubstitution &
-	       get_feature_substitutions (int *coords, unsigned int coord_len) const
+  inline bool find_variations_index (const int *coords, unsigned int num_coords,
+				     unsigned int *index) const
   { return (version.to_int () >= 0x00010001u ? this+featureVars : Null(FeatureVariations))
-	   .get_substitutions (coords, coord_len); }
+	   .find_index (coords, num_coords, index); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 0501181a3..b352cdb5d 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -836,6 +836,21 @@ hb_ot_layout_lookup_collect_glyphs (hb_face_t    *face,
 }
 
 
+/* Variations support */
+
+hb_bool_t
+hb_ot_layout_table_find_feature_variations (hb_face_t    *face,
+					    hb_tag_t      table_tag,
+					    const int    *coords,
+					    unsigned int  num_coords,
+					    unsigned int *variations_index /* out */)
+{
+  const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
+
+  return g.find_variations_index (coords, num_coords, variations_index);
+}
+
+
 /*
  * OT::GSUB
  */
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index eb23d45b6..2e3db8c20 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -95,6 +95,7 @@ hb_ot_layout_get_ligature_carets (hb_font_t      *font,
 #define HB_OT_LAYOUT_NO_SCRIPT_INDEX		0xFFFFu
 #define HB_OT_LAYOUT_NO_FEATURE_INDEX		0xFFFFu
 #define HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX	0xFFFFu
+#define HB_OT_LAYOUT_NO_VARIATIONS_INDEX	0xFFFFFFFFu
 
 HB_EXTERN unsigned int
 hb_ot_layout_table_get_script_tags (hb_face_t    *face,
@@ -236,6 +237,15 @@ Xhb_ot_layout_lookup_enumerate_sequences (hb_face_t    *face,
 					 void         *user_data);
 #endif
 
+/* Variations support */
+
+HB_EXTERN hb_bool_t
+hb_ot_layout_table_find_feature_variations (hb_face_t    *face,
+					    hb_tag_t      table_tag,
+					    const int    *coords,
+					    unsigned int  num_coords,
+					    unsigned int *variations_index /* out */);
+
 
 /*
  * GSUB

From ec87ba9ba32a374d49dd3e40137f75f4f4232aee Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 03:53:11 -0700
Subject: [PATCH 0145/1326] [GX] Add
 hb_ot_layout_feature_with_variations_get_lookups()

---
 src/hb-ot-layout-common-private.hh   | 30 +++++++++++++++++++++++++++-
 src/hb-ot-layout-gsubgpos-private.hh | 12 +++++++++++
 src/hb-ot-layout.cc                  | 28 ++++++++++++++++++++++----
 src/hb-ot-layout.h                   |  9 +++++++++
 4 files changed, 74 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index e67a5145d..cdf43bf40 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1417,6 +1417,13 @@ struct ConditionSet
 
 struct FeatureTableSubstitutionRecord
 {
+  inline const Feature *find_substitute (unsigned int feature_index) const
+  {
+    if (featureIndex == feature_index)
+      return &(this+feature);
+    return NULL;
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -1432,6 +1439,18 @@ struct FeatureTableSubstitutionRecord
 
 struct FeatureTableSubstitution
 {
+  inline const Feature *find_substitute (unsigned int feature_index) const
+  {
+    unsigned int count = substitutions.len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      const Feature *feature = (this+substitutions.array[i]).find_substitute (feature_index);
+      if (feature)
+        return feature;
+    }
+    return NULL;
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -1470,6 +1489,8 @@ struct FeatureVariationRecord
 
 struct FeatureVariations
 {
+  static const unsigned int NOT_FOUND_INDEX = 0xFFFFFFFFu;
+
   inline bool find_index (const int *coords, unsigned int coord_len,
 			  unsigned int *index) const
   {
@@ -1483,10 +1504,17 @@ struct FeatureVariations
 	return true;
       }
     }
-    *index = 0xFFFFFFFF;
+    *index = NOT_FOUND_INDEX;
     return false;
   }
 
+  inline const Feature *find_substitute (unsigned int variations_index,
+					 unsigned int feature_index) const
+  {
+    const FeatureVariationRecord &record = varRecords[variations_index];
+    return (this+record.substitutions).find_substitute (feature_index);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index e20777acb..adea32f23 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -2275,6 +2275,18 @@ struct GSUBGPOS
 				     unsigned int *index) const
   { return (version.to_int () >= 0x00010001u ? this+featureVars : Null(FeatureVariations))
 	   .find_index (coords, num_coords, index); }
+  inline const Feature& get_feature_variation (unsigned int feature_index,
+					       unsigned int variations_index) const
+  {
+    if (FeatureVariations::NOT_FOUND_INDEX != variations_index &&
+	version.to_int () >= 0x00010001u)
+    {
+      const Feature *feature = (this+featureVars).find_substitute (variations_index, feature_index);
+      if (feature)
+        return *feature;
+    }
+    return get_feature (feature_index);
+  }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index b352cdb5d..345d5e695 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -582,10 +582,13 @@ hb_ot_layout_feature_get_lookups (hb_face_t    *face,
 				  unsigned int *lookup_count /* IN/OUT */,
 				  unsigned int *lookup_indexes /* OUT */)
 {
-  const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
-  const OT::Feature &f = g.get_feature (feature_index);
-
-  return f.get_lookup_indexes (start_offset, lookup_count, lookup_indexes);
+  return hb_ot_layout_feature_with_variations_get_lookups (face,
+							   table_tag,
+							   feature_index,
+							   HB_OT_LAYOUT_NO_VARIATIONS_INDEX,
+							   start_offset,
+							   lookup_count,
+							   lookup_indexes);
 }
 
 /**
@@ -850,6 +853,23 @@ hb_ot_layout_table_find_feature_variations (hb_face_t    *face,
   return g.find_variations_index (coords, num_coords, variations_index);
 }
 
+unsigned int
+hb_ot_layout_feature_with_variations_get_lookups (hb_face_t    *face,
+						  hb_tag_t      table_tag,
+						  unsigned int  feature_index,
+						  unsigned int  variations_index,
+						  unsigned int  start_offset,
+						  unsigned int *lookup_count /* IN/OUT */,
+						  unsigned int *lookup_indexes /* OUT */)
+{
+  ASSERT_STATIC (OT::FeatureVariations::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_VARIATIONS_INDEX);
+  const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
+
+  const OT::Feature &f = g.get_feature_variation (feature_index, variations_index);
+
+  return f.get_lookup_indexes (start_offset, lookup_count, lookup_indexes);
+}
+
 
 /*
  * OT::GSUB
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 2e3db8c20..9861f0fc7 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -246,6 +246,15 @@ hb_ot_layout_table_find_feature_variations (hb_face_t    *face,
 					    unsigned int  num_coords,
 					    unsigned int *variations_index /* out */);
 
+HB_EXTERN unsigned int
+hb_ot_layout_feature_with_variations_get_lookups (hb_face_t    *face,
+						  hb_tag_t      table_tag,
+						  unsigned int  feature_index,
+						  unsigned int  variations_index,
+						  unsigned int  start_offset,
+						  unsigned int *lookup_count /* IN/OUT */,
+						  unsigned int *lookup_indexes /* OUT */);
+
 
 /*
  * GSUB

From 72ada4f0c6998fc2a282efc2a573733e37db8be5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 03:57:24 -0700
Subject: [PATCH 0146/1326] [GX] Hook up feature variations

Shape-plan caching is not implemented.
---
 src/hb-coretext.cc           |   8 ++-
 src/hb-directwrite.cc        |   6 ++-
 src/hb-fallback-shape.cc     |   4 +-
 src/hb-font.cc               |   6 +--
 src/hb-graphite2.cc          |   4 +-
 src/hb-ot-map-private.hh     |  17 +++---
 src/hb-ot-map.cc             |  25 ++++++---
 src/hb-ot-shape-private.hh   |   6 ++-
 src/hb-ot-shape.cc           |   9 ++--
 src/hb-shape-plan-private.hh |   9 +++-
 src/hb-shape-plan.cc         | 102 +++++++++++++++++++++++++++++++----
 src/hb-shape-plan.h          |  19 +++++++
 src/hb-shape.cc              |   5 +-
 src/hb-uniscribe.cc          |   4 +-
 14 files changed, 183 insertions(+), 41 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 507581bd7..e857dfae0 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -288,7 +288,9 @@ struct hb_coretext_shaper_shape_plan_data_t {};
 hb_coretext_shaper_shape_plan_data_t *
 _hb_coretext_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan HB_UNUSED,
 					     const hb_feature_t *user_features HB_UNUSED,
-					     unsigned int        num_user_features HB_UNUSED)
+					     unsigned int        num_user_features HB_UNUSED,
+					     const int          *coords HB_UNUSED,
+					     unsigned int        num_coords HB_UNUSED)
 {
   return (hb_coretext_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
 }
@@ -1280,7 +1282,9 @@ struct hb_coretext_aat_shaper_shape_plan_data_t {};
 hb_coretext_aat_shaper_shape_plan_data_t *
 _hb_coretext_aat_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan HB_UNUSED,
 					     const hb_feature_t *user_features HB_UNUSED,
-					     unsigned int        num_user_features HB_UNUSED)
+					     unsigned int        num_user_features HB_UNUSED,
+					     const int          *coords HB_UNUSED,
+					     unsigned int        num_coords HB_UNUSED)
 {
   return (hb_coretext_aat_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
 }
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 76482acd3..d26b29851 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -258,8 +258,10 @@ struct hb_directwrite_shaper_shape_plan_data_t {};
 
 hb_directwrite_shaper_shape_plan_data_t *
 _hb_directwrite_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan HB_UNUSED,
-               const hb_feature_t *user_features HB_UNUSED,
-               unsigned int        num_user_features HB_UNUSED)
+					       const hb_feature_t *user_features HB_UNUSED,
+					       unsigned int        num_user_features HB_UNUSED,
+					       const int          *coords HB_UNUSED,
+					       unsigned int        num_coords HB_UNUSED)
 {
   return (hb_directwrite_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
 }
diff --git a/src/hb-fallback-shape.cc b/src/hb-fallback-shape.cc
index e2ad24001..ac6d4b00f 100644
--- a/src/hb-fallback-shape.cc
+++ b/src/hb-fallback-shape.cc
@@ -73,7 +73,9 @@ struct hb_fallback_shaper_shape_plan_data_t {};
 hb_fallback_shaper_shape_plan_data_t *
 _hb_fallback_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan HB_UNUSED,
 					    const hb_feature_t *user_features HB_UNUSED,
-					    unsigned int        num_user_features HB_UNUSED)
+					    unsigned int        num_user_features HB_UNUSED,
+					    const int          *coords HB_UNUSED,
+					    unsigned int        num_coords HB_UNUSED)
 {
   return (hb_fallback_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
 }
diff --git a/src/hb-font.cc b/src/hb-font.cc
index f12dfb5d3..2935c4b4f 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1253,8 +1253,7 @@ hb_font_destroy (hb_font_t *font)
   hb_face_destroy (font->face);
   hb_font_funcs_destroy (font->klass);
 
-  if (font->coords)
-    free (font->coords);
+  free (font->coords);
 
   free (font);
 }
@@ -1561,8 +1560,7 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   if (unlikely (coords_length && !copy))
     return;
 
-  if (font->coords)
-    free (font->coords);
+  free (font->coords);
 
   if (coords_length)
     memcpy (copy, coords, coords_length * sizeof (coords[0]));
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index c32318d27..a2d90db87 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -195,7 +195,9 @@ struct hb_graphite2_shaper_shape_plan_data_t {};
 hb_graphite2_shaper_shape_plan_data_t *
 _hb_graphite2_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan HB_UNUSED,
 					     const hb_feature_t *user_features HB_UNUSED,
-					     unsigned int        num_user_features HB_UNUSED)
+					     unsigned int        num_user_features HB_UNUSED,
+					     const int          *coords HB_UNUSED,
+					     unsigned int        num_coords HB_UNUSED)
 {
   return (hb_graphite2_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
 }
diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index fc5ce6637..0395c9c22 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -176,7 +176,9 @@ struct hb_ot_map_builder_t
   inline void add_gpos_pause (hb_ot_map_t::pause_func_t pause_func)
   { add_pause (1, pause_func); }
 
-  HB_INTERNAL void compile (hb_ot_map_t &m);
+  HB_INTERNAL void compile (hb_ot_map_t  &m,
+			    const int    *coords,
+			    unsigned int  num_coords);
 
   inline void finish (void) {
     feature_infos.finish ();
@@ -188,12 +190,13 @@ struct hb_ot_map_builder_t
 
   private:
 
-  HB_INTERNAL void add_lookups (hb_ot_map_t   &m,
-				hb_face_t     *face,
-				unsigned int   table_index,
-				unsigned int   feature_index,
-				hb_mask_t      mask,
-				bool           auto_zwj);
+  HB_INTERNAL void add_lookups (hb_ot_map_t  &m,
+				hb_face_t    *face,
+				unsigned int  table_index,
+				unsigned int  feature_index,
+				unsigned int  variations_index,
+				hb_mask_t     mask,
+				bool          auto_zwj);
 
   struct feature_info_t {
     hb_tag_t tag;
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 9cd3a4472..9b331d521 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -83,6 +83,7 @@ hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
 				  hb_face_t    *face,
 				  unsigned int  table_index,
 				  unsigned int  feature_index,
+				  unsigned int  variations_index,
 				  hb_mask_t     mask,
 				  bool          auto_zwj)
 {
@@ -95,11 +96,12 @@ hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
   offset = 0;
   do {
     len = ARRAY_LENGTH (lookup_indices);
-    hb_ot_layout_feature_get_lookups (face,
-				      table_tags[table_index],
-				      feature_index,
-				      offset, &len,
-				      lookup_indices);
+    hb_ot_layout_feature_with_variations_get_lookups (face,
+						      table_tags[table_index],
+						      feature_index,
+						      variations_index,
+						      offset, &len,
+						      lookup_indices);
 
     for (unsigned int i = 0; i < len; i++)
     {
@@ -130,7 +132,9 @@ void hb_ot_map_builder_t::add_pause (unsigned int table_index, hb_ot_map_t::paus
 }
 
 void
-hb_ot_map_builder_t::compile (hb_ot_map_t &m)
+hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
+			      const int    *coords,
+			      unsigned int  num_coords)
 {
   m.global_mask = 1;
 
@@ -264,6 +268,13 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m)
   {
     /* Collect lookup indices for features */
 
+    unsigned int variations_index;
+    hb_ot_layout_table_find_feature_variations (face,
+						table_tags[table_index],
+						coords,
+						num_coords,
+						&variations_index);
+
     unsigned int stage_index = 0;
     unsigned int last_num_lookups = 0;
     for (unsigned stage = 0; stage < current_stage[table_index]; stage++)
@@ -272,6 +283,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m)
 	  required_feature_stage[table_index] == stage)
 	add_lookups (m, face, table_index,
 		     required_feature_index[table_index],
+		     variations_index,
 		     1 /* mask */,
 		     true /* auto_zwj */);
 
@@ -279,6 +291,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m)
         if (m.features[i].stage[table_index] == stage)
 	  add_lookups (m, face, table_index,
 		       m.features[i].index[table_index],
+		       variations_index,
 		       m.features[i].mask,
 		       m.features[i].auto_zwj);
 
diff --git a/src/hb-ot-shape-private.hh b/src/hb-ot-shape-private.hh
index 54ac2c3cf..594e54c02 100644
--- a/src/hb-ot-shape-private.hh
+++ b/src/hb-ot-shape-private.hh
@@ -77,11 +77,13 @@ struct hb_ot_shape_planner_t
 			 map (face, &props) {}
   ~hb_ot_shape_planner_t (void) { map.finish (); }
 
-  inline void compile (hb_ot_shape_plan_t &plan)
+  inline void compile (hb_ot_shape_plan_t &plan,
+		       const int          *coords,
+		       unsigned int        num_coords)
   {
     plan.props = props;
     plan.shaper = shaper;
-    map.compile (plan.map);
+    map.compile (plan.map, coords, num_coords);
 
     plan.rtlm_mask = plan.map.get_1_mask (HB_TAG ('r','t','l','m'));
     plan.frac_mask = plan.map.get_1_mask (HB_TAG ('f','r','a','c'));
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 7811cb7f8..6c78b4752 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -163,7 +163,9 @@ _hb_ot_shaper_font_data_destroy (hb_ot_shaper_font_data_t *data)
 hb_ot_shaper_shape_plan_data_t *
 _hb_ot_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan,
 				      const hb_feature_t *user_features,
-				      unsigned int        num_user_features)
+				      unsigned int        num_user_features,
+				      const int          *coords,
+				      unsigned int        num_coords)
 {
   hb_ot_shape_plan_t *plan = (hb_ot_shape_plan_t *) calloc (1, sizeof (hb_ot_shape_plan_t));
   if (unlikely (!plan))
@@ -173,9 +175,10 @@ _hb_ot_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan,
 
   planner.shaper = hb_ot_shape_complex_categorize (&planner);
 
-  hb_ot_shape_collect_features (&planner, &shape_plan->props, user_features, num_user_features);
+  hb_ot_shape_collect_features (&planner, &shape_plan->props,
+				user_features, num_user_features);
 
-  planner.compile (*plan);
+  planner.compile (*plan, coords, num_coords);
 
   if (plan->shaper->data_create) {
     plan->data = plan->shaper->data_create (plan);
diff --git a/src/hb-shape-plan-private.hh b/src/hb-shape-plan-private.hh
index 607da5e77..aa0413a27 100644
--- a/src/hb-shape-plan-private.hh
+++ b/src/hb-shape-plan-private.hh
@@ -47,12 +47,17 @@ struct hb_shape_plan_t
   hb_feature_t *user_features;
   unsigned int num_user_features;
 
+  int *coords;
+  unsigned int num_coords;
+
   struct hb_shaper_data_t shaper_data;
 };
 
 #define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS \
-	, const hb_feature_t            *user_features \
-	, unsigned int                   num_user_features
+	, const hb_feature_t *user_features \
+	, unsigned int        num_user_features \
+	, const int          *coords \
+	, unsigned int        num_coords
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, shape_plan);
 #include "hb-shaper-list.hh"
 #undef HB_SHAPER_IMPLEMENT
diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index 87231fb33..600faaeb1 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -46,11 +46,14 @@ static void
 hb_shape_plan_plan (hb_shape_plan_t    *shape_plan,
 		    const hb_feature_t *user_features,
 		    unsigned int        num_user_features,
+		    const int          *coords,
+		    unsigned int        num_coords,
 		    const char * const *shaper_list)
 {
   DEBUG_MSG_FUNC (SHAPE_PLAN, shape_plan,
-		  "num_features=%d shaper_list=%p",
+		  "num_features=%d num_coords=%d shaper_list=%p",
 		  num_user_features,
+		  num_coords,
 		  shaper_list);
 
   const hb_shaper_pair_t *shapers = _hb_shapers_get ();
@@ -59,7 +62,9 @@ hb_shape_plan_plan (hb_shape_plan_t    *shape_plan,
 	HB_STMT_START { \
 	  if (hb_##shaper##_shaper_face_data_ensure (shape_plan->face_unsafe)) { \
 	    HB_SHAPER_DATA (shaper, shape_plan) = \
-	      HB_SHAPER_DATA_CREATE_FUNC (shaper, shape_plan) (shape_plan, user_features, num_user_features); \
+	      HB_SHAPER_DATA_CREATE_FUNC (shaper, shape_plan) (shape_plan, \
+							       user_features, num_user_features, \
+							       coords, num_coords); \
 	    shape_plan->shaper_func = _hb_##shaper##_shape; \
 	    shape_plan->shaper_name = #shaper; \
 	    return; \
@@ -114,15 +119,32 @@ hb_shape_plan_create (hb_face_t                     *face,
 		      const hb_feature_t            *user_features,
 		      unsigned int                   num_user_features,
 		      const char * const            *shaper_list)
+{
+  return hb_shape_plan_create2 (face, props,
+				user_features, num_user_features,
+				NULL, 0,
+				shaper_list);
+}
+
+hb_shape_plan_t *
+hb_shape_plan_create2 (hb_face_t                     *face,
+		       const hb_segment_properties_t *props,
+		       const hb_feature_t            *user_features,
+		       unsigned int                   num_user_features,
+		       const int                     *orig_coords,
+		       unsigned int                   num_coords,
+		       const char * const            *shaper_list)
 {
   DEBUG_MSG_FUNC (SHAPE_PLAN, NULL,
-		  "face=%p num_features=%d shaper_list=%p",
+		  "face=%p num_features=%d num_coords=%d shaper_list=%p",
 		  face,
 		  num_user_features,
+		  num_coords,
 		  shaper_list);
 
   hb_shape_plan_t *shape_plan;
   hb_feature_t *features = NULL;
+  int *coords = NULL;
 
   if (unlikely (!face))
     face = hb_face_get_empty ();
@@ -130,7 +152,14 @@ hb_shape_plan_create (hb_face_t                     *face,
     return hb_shape_plan_get_empty ();
   if (num_user_features && !(features = (hb_feature_t *) calloc (num_user_features, sizeof (hb_feature_t))))
     return hb_shape_plan_get_empty ();
-  if (!(shape_plan = hb_object_create<hb_shape_plan_t> ())) {
+  if (num_coords && !(coords = (int *) calloc (num_coords, sizeof (int))))
+  {
+    free (features);
+    return hb_shape_plan_get_empty ();
+  }
+  if (!(shape_plan = hb_object_create<hb_shape_plan_t> ()))
+  {
+    free (coords);
     free (features);
     return hb_shape_plan_get_empty ();
   }
@@ -145,8 +174,15 @@ hb_shape_plan_create (hb_face_t                     *face,
   shape_plan->user_features = features;
   if (num_user_features)
     memcpy (features, user_features, num_user_features * sizeof (hb_feature_t));
+  shape_plan->num_coords = num_coords;
+  shape_plan->coords = coords;
+  if (num_coords)
+    memcpy (coords, orig_coords, num_coords * sizeof (int));
 
-  hb_shape_plan_plan (shape_plan, user_features, num_user_features, shaper_list);
+  hb_shape_plan_plan (shape_plan,
+		      user_features, num_user_features,
+		      coords, num_coords,
+		      shaper_list);
 
   return shape_plan;
 }
@@ -176,6 +212,9 @@ hb_shape_plan_get_empty (void)
     NULL, /* user_features */
     0,    /* num_user_featurs */
 
+    NULL, /* coords */
+    0,    /* num_coords */
+
     {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
 #include "hb-shaper-list.hh"
@@ -220,6 +259,7 @@ hb_shape_plan_destroy (hb_shape_plan_t *shape_plan)
 #undef HB_SHAPER_IMPLEMENT
 
   free (shape_plan->user_features);
+  free (shape_plan->coords);
 
   free (shape_plan);
 }
@@ -351,6 +391,8 @@ struct hb_shape_plan_proposal_t
   const char * const            *shaper_list;
   const hb_feature_t            *user_features;
   unsigned int                   num_user_features;
+  const int                     *coords;
+  unsigned int                   num_coords;
   hb_shape_func_t               *shaper_func;
 };
 
@@ -358,12 +400,26 @@ static inline hb_bool_t
 hb_shape_plan_user_features_match (const hb_shape_plan_t          *shape_plan,
 				   const hb_shape_plan_proposal_t *proposal)
 {
-  if (proposal->num_user_features != shape_plan->num_user_features) return false;
+  if (proposal->num_user_features != shape_plan->num_user_features)
+    return false;
   for (unsigned int i = 0, n = proposal->num_user_features; i < n; i++)
     if (proposal->user_features[i].tag   != shape_plan->user_features[i].tag   ||
         proposal->user_features[i].value != shape_plan->user_features[i].value ||
         proposal->user_features[i].start != shape_plan->user_features[i].start ||
-        proposal->user_features[i].end   != shape_plan->user_features[i].end) return false;
+        proposal->user_features[i].end   != shape_plan->user_features[i].end)
+      return false;
+  return true;
+}
+
+static inline hb_bool_t
+hb_shape_plan_coords_match (const hb_shape_plan_t          *shape_plan,
+			    const hb_shape_plan_proposal_t *proposal)
+{
+  if (proposal->num_coords != shape_plan->num_coords)
+    return false;
+  for (unsigned int i = 0, n = proposal->num_coords; i < n; i++)
+    if (proposal->coords[i] != shape_plan->coords[i])
+      return false;
   return true;
 }
 
@@ -373,6 +429,7 @@ hb_shape_plan_matches (const hb_shape_plan_t          *shape_plan,
 {
   return hb_segment_properties_equal (&shape_plan->props, &proposal->props) &&
 	 hb_shape_plan_user_features_match (shape_plan, proposal) &&
+	 hb_shape_plan_coords_match (shape_plan, proposal) &&
 	 ((shape_plan->default_shaper_list && proposal->shaper_list == NULL) ||
 	  (shape_plan->shaper_func == proposal->shaper_func));
 }
@@ -389,6 +446,13 @@ hb_non_global_user_features_present (const hb_feature_t *user_features,
   return false;
 }
 
+static inline hb_bool_t
+hb_coords_present (const int *coords,
+		   unsigned int num_coords)
+{
+  return num_coords != 0;
+}
+
 /**
  * hb_shape_plan_create_cached:
  * @face: 
@@ -409,6 +473,21 @@ hb_shape_plan_create_cached (hb_face_t                     *face,
 			     const hb_feature_t            *user_features,
 			     unsigned int                   num_user_features,
 			     const char * const            *shaper_list)
+{
+  return hb_shape_plan_create_cached2 (face, props,
+				       user_features, num_user_features,
+				       NULL, 0,
+				       shaper_list);
+}
+
+hb_shape_plan_t *
+hb_shape_plan_create_cached2 (hb_face_t                     *face,
+			      const hb_segment_properties_t *props,
+			      const hb_feature_t            *user_features,
+			      unsigned int                   num_user_features,
+			      const int                     *coords,
+			      unsigned int                   num_coords,
+			      const char * const            *shaper_list)
 {
   DEBUG_MSG_FUNC (SHAPE_PLAN, NULL,
 		  "face=%p num_features=%d shaper_list=%p",
@@ -456,16 +535,21 @@ retry:
 
   /* Not found. */
 
-  hb_shape_plan_t *shape_plan = hb_shape_plan_create (face, props, user_features, num_user_features, shaper_list);
+  hb_shape_plan_t *shape_plan = hb_shape_plan_create2 (face, props,
+						       user_features, num_user_features,
+						       coords, num_coords,
+						       shaper_list);
 
   /* Don't add to the cache if face is inert. */
   if (unlikely (hb_object_is_inert (face)))
     return shape_plan;
 
   /* Don't add the plan to the cache if there were user features with non-global ranges */
-
   if (hb_non_global_user_features_present (user_features, num_user_features))
     return shape_plan;
+  /* Don't add the plan to the cache if there were variation coordinates XXX Fix me. */
+  if (hb_coords_present (coords, num_coords))
+    return shape_plan;
 
   hb_face_t::plan_node_t *node = (hb_face_t::plan_node_t *) calloc (1, sizeof (hb_face_t::plan_node_t));
   if (unlikely (!node))
diff --git a/src/hb-shape-plan.h b/src/hb-shape-plan.h
index aa5e0c7d6..b62ae7ca3 100644
--- a/src/hb-shape-plan.h
+++ b/src/hb-shape-plan.h
@@ -52,6 +52,25 @@ hb_shape_plan_create_cached (hb_face_t                     *face,
 			     unsigned int                   num_user_features,
 			     const char * const            *shaper_list);
 
+HB_EXTERN hb_shape_plan_t *
+hb_shape_plan_create2 (hb_face_t                     *face,
+		       const hb_segment_properties_t *props,
+		       const hb_feature_t            *user_features,
+		       unsigned int                   num_user_features,
+		       const int                     *coords,
+		       unsigned int                   num_coords,
+		       const char * const            *shaper_list);
+
+HB_EXTERN hb_shape_plan_t *
+hb_shape_plan_create_cached2 (hb_face_t                     *face,
+			      const hb_segment_properties_t *props,
+			      const hb_feature_t            *user_features,
+			      unsigned int                   num_user_features,
+			      const int                     *coords,
+			      unsigned int                   num_coords,
+			      const char * const            *shaper_list);
+
+
 HB_EXTERN hb_shape_plan_t *
 hb_shape_plan_get_empty (void);
 
diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index 41a4fc500..706f14420 100644
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -373,7 +373,10 @@ hb_shape_full (hb_font_t          *font,
 	       unsigned int        num_features,
 	       const char * const *shaper_list)
 {
-  hb_shape_plan_t *shape_plan = hb_shape_plan_create_cached (font->face, &buffer->props, features, num_features, shaper_list);
+  hb_shape_plan_t *shape_plan = hb_shape_plan_create_cached2 (font->face, &buffer->props,
+							      features, num_features,
+							      font->coords, font->num_coords,
+							      shaper_list);
   hb_bool_t res = hb_shape_plan_execute (shape_plan, font, buffer, features, num_features);
   hb_shape_plan_destroy (shape_plan);
 
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 07007a640..6e4db0149 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -587,7 +587,9 @@ struct hb_uniscribe_shaper_shape_plan_data_t {};
 hb_uniscribe_shaper_shape_plan_data_t *
 _hb_uniscribe_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan HB_UNUSED,
 					     const hb_feature_t *user_features HB_UNUSED,
-					     unsigned int        num_user_features HB_UNUSED)
+					     unsigned int        num_user_features HB_UNUSED,
+					     const int          *coords HB_UNUSED,
+					     unsigned int        num_coords HB_UNUSED)
 {
   return (hb_uniscribe_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
 }

From 4ebbeb7c50e5c1e934d230ceacf792602c6eb9b9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Sep 2016 04:52:34 -0700
Subject: [PATCH 0147/1326] [GX] Make FeatureVariations actually work

Yay!!!!
---
 src/hb-ot-layout-common-private.hh   | 19 +++++++------------
 src/hb-ot-layout-gsubgpos-private.hh |  3 ++-
 2 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index cdf43bf40..971c95a0a 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1417,17 +1417,12 @@ struct ConditionSet
 
 struct FeatureTableSubstitutionRecord
 {
-  inline const Feature *find_substitute (unsigned int feature_index) const
-  {
-    if (featureIndex == feature_index)
-      return &(this+feature);
-    return NULL;
-  }
+  friend struct FeatureTableSubstitution;
 
-  inline bool sanitize (hb_sanitize_context_t *c) const
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && feature.sanitize (c, this));
+    return_trace (c->check_struct (this) && feature.sanitize (c, base));
   }
 
   protected:
@@ -1444,9 +1439,9 @@ struct FeatureTableSubstitution
     unsigned int count = substitutions.len;
     for (unsigned int i = 0; i < count; i++)
     {
-      const Feature *feature = (this+substitutions.array[i]).find_substitute (feature_index);
-      if (feature)
-        return feature;
+      const FeatureTableSubstitutionRecord &record = substitutions.array[i];
+      if (record.featureIndex == feature_index)
+	return &(this+record.feature);
     }
     return NULL;
   }
@@ -1461,7 +1456,7 @@ struct FeatureTableSubstitution
 
   protected:
   FixedVersion<>	version;	/* Version--0x00010000u */
-  OffsetArrayOf<FeatureTableSubstitutionRecord, ULONG>
+  ArrayOf<FeatureTableSubstitutionRecord>
 			substitutions;
   public:
   DEFINE_SIZE_ARRAY (6, substitutions);
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index adea32f23..b90af9ca0 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -2281,7 +2281,8 @@ struct GSUBGPOS
     if (FeatureVariations::NOT_FOUND_INDEX != variations_index &&
 	version.to_int () >= 0x00010001u)
     {
-      const Feature *feature = (this+featureVars).find_substitute (variations_index, feature_index);
+      const Feature *feature = (this+featureVars).find_substitute (variations_index,
+								   feature_index);
       if (feature)
         return *feature;
     }

From 72873cf522a6e3bec1b6508d8d20d3d2ce233cd6 Mon Sep 17 00:00:00 2001
From: Sascha Brawer <sascha@brawer.ch>
Date: Tue, 13 Sep 2016 18:40:07 +0200
Subject: [PATCH 0148/1326] Call hb_font_set_var_coords_normalized() from
 FT_Face coords

---
 src/hb-ft.cc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 2b06c59be..30d28c09e 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -36,6 +36,7 @@
 #include "hb-cache-private.hh" // Maybe use in the future?
 
 #include FT_ADVANCES_H
+#include FT_MULTIPLE_MASTERS_H
 #include FT_TRUETYPE_TABLES_H
 
 
@@ -616,6 +617,19 @@ hb_ft_font_create (FT_Face           ft_face,
 		    ft_face->size->metrics.y_ppem);
 #endif
 
+  FT_MM_Var *mm_var = NULL;
+  if (!FT_Get_MM_Var (ft_face, &mm_var)) {
+    FT_Fixed coords[mm_var->num_axis];
+    int hbCoords[mm_var->num_axis];
+    if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, coords)) {
+      for (int i = 0; i < mm_var->num_axis; ++i) {
+	hbCoords[i] = coords[i] >> 2;
+      }
+      hb_font_set_var_coords_normalized (font, hbCoords, mm_var->num_axis);
+    }
+  }
+  free (mm_var);
+
   return font;
 }
 

From 42c81425316190f6424ecb9b19d5a886aa1e4136 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Sep 2016 23:49:46 +0200
Subject: [PATCH 0149/1326] [GX] Fix build with older FreeType

---
 configure.ac |  4 ++++
 src/hb-ft.cc | 12 ++++++++----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 0fdaf531e..6948aa6ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -346,6 +346,10 @@ if test "x$with_freetype" = "xyes" -a "x$have_freetype" != "xtrue"; then
 fi
 if $have_freetype; then
 	AC_DEFINE(HAVE_FREETYPE, 1, [Have FreeType 2 library])
+	save_libs=$LIBS
+	LIBS="$LIBS $FREETYPE_LIBS"
+	AC_CHECK_FUNCS(FT_Get_Var_Blend_Coordinates)
+	LIBS=$save_libs
 fi
 AM_CONDITIONAL(HAVE_FREETYPE, $have_freetype)
 
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 30d28c09e..f127066a6 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -617,18 +617,22 @@ hb_ft_font_create (FT_Face           ft_face,
 		    ft_face->size->metrics.y_ppem);
 #endif
 
+#ifdef HAVE_FT_GET_VAR_BLEND_COORDINATES
   FT_MM_Var *mm_var = NULL;
-  if (!FT_Get_MM_Var (ft_face, &mm_var)) {
+  if (!FT_Get_MM_Var (ft_face, &mm_var))
+  {
     FT_Fixed coords[mm_var->num_axis];
     int hbCoords[mm_var->num_axis];
-    if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, coords)) {
-      for (int i = 0; i < mm_var->num_axis; ++i) {
+    if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, coords))
+    {
+      for (int i = 0; i < mm_var->num_axis; ++i)
 	hbCoords[i] = coords[i] >> 2;
-      }
+
       hb_font_set_var_coords_normalized (font, hbCoords, mm_var->num_axis);
     }
   }
   free (mm_var);
+#endif
 
   return font;
 }

From 0aedfd59be54972e61a952753ffc0d12631771fe Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 28 Sep 2016 17:05:43 +0200
Subject: [PATCH 0150/1326] [GX] Apply 'rvrn' feature before any other feature

---
 src/hb-ot-shape.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 6c78b4752..987279878 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -69,6 +69,9 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t          *planner,
 {
   hb_ot_map_builder_t *map = &planner->map;
 
+  map->add_global_bool_feature (HB_TAG('r','v','r','n'));
+  map->add_gsub_pause (NULL);
+
   switch (props->direction) {
     case HB_DIRECTION_LTR:
       map->add_global_bool_feature (HB_TAG ('l','t','r','a'));

From 219cb29c5d230ecc6ee154b447fabd7b59fbe089 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 28 Sep 2016 17:16:06 +0200
Subject: [PATCH 0151/1326] Fix build after rebasing opentype-gx branch on top
 of MATH table

---
 src/hb-ot-layout-common-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 971c95a0a..4c7714a8e 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1650,7 +1650,7 @@ struct DeviceHeader
 
 struct Device
 {
-  inline hb_position_t get_x_delta (hb_font_t *font, const VariationStore &store) const
+  inline hb_position_t get_x_delta (hb_font_t *font, const VariationStore &store=Null(VariationStore)) const
   {
     switch (u.b.format)
     {
@@ -1662,7 +1662,7 @@ struct Device
       return 0;
     }
   }
-  inline hb_position_t get_y_delta (hb_font_t *font, const VariationStore &store) const
+  inline hb_position_t get_y_delta (hb_font_t *font, const VariationStore &store=Null(VariationStore)) const
   {
     switch (u.b.format)
     {

From 75fa884f925c203a839b5874f30bf9ebf025b6e4 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Mon, 5 Dec 2016 23:20:47 +0200
Subject: [PATCH 0152/1326] [win32] Fix wrong description of the ICU option
 (#372)

---
 win32/README.txt | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/win32/README.txt b/win32/README.txt
index 07e211c0a..af0dc15c1 100644
--- a/win32/README.txt
+++ b/win32/README.txt
@@ -63,9 +63,7 @@ CAIRO_FT: Enable the build of the hb-view tool, which makes use of Cairo, and
 
 GRAPHITE2: Enable the Graphite2 shaper, requires the SIL Graphite2 library.
 
-ICU: Enables the build HarfBuzz-ICU, which is now the recommended layout engine
-     for ICU (International Components for Unicode), which deprecated ICU LE.
-     Requires the ICU libraries.
+ICU: Enables the build of ICU Unicode functions. Requires the ICU libraries.
 
 UNISCRIBE: Enable Uniscribe platform shaper support.
 

From 4cd0cd67914db1da10906e40335faea7dbec1d0a Mon Sep 17 00:00:00 2001
From: elmarb <elmar.braun@web.de>
Date: Wed, 7 Dec 2016 11:50:27 +0100
Subject: [PATCH 0153/1326] NMake ICU option builds with builtin ICU (#375)

---
 win32/build-rules-msvc.mak  | 13 -------------
 win32/config-msvc.mak       | 37 ++++++++++++++++++++-----------------
 win32/create-lists-msvc.mak | 13 -------------
 win32/detectenv-msvc.mak    |  4 +++-
 win32/generate-msvc.mak     |  2 +-
 win32/info-msvc.mak         | 12 +++++-------
 win32/install.mak           |  4 ----
 7 files changed, 29 insertions(+), 56 deletions(-)

diff --git a/win32/build-rules-msvc.mak b/win32/build-rules-msvc.mak
index 03b383373..bfe02864a 100644
--- a/win32/build-rules-msvc.mak
+++ b/win32/build-rules-msvc.mak
@@ -23,11 +23,6 @@ $<
 $<
 <<
 
-{..\src\}.cc{$(CFG)\$(PLAT)\harfbuzz-icu\}.obj::
-	$(CXX) $(CFLAGS) $(HB_LIB_CFLAGS) $(HB_ICU_CFLAGS) /Fo$(CFG)\$(PLAT)\harfbuzz-icu\ /c @<<
-$<
-<<
-
 {..\util\}.cc{$(CFG)\$(PLAT)\util\}.obj::
 	$(CXX) $(CFLAGS) $(HB_DEFINES) $(HB_CFLAGS) /Fo$(CFG)\$(PLAT)\util\ /c @<<
 $<
@@ -48,7 +43,6 @@ $<
 
 # Rules for building .lib files
 $(CFG)\$(PLAT)\harfbuzz.lib: $(HARFBUZZ_DLL_FILENAME).dll
-$(CFG)\$(PLAT)\harfbuzz-icu.lib: $(HARFBUZZ_ICU_DLL_FILENAME).dll
 $(CFG)\$(PLAT)\harfbuzz-gobject.lib: $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll
 
 # Rules for linking DLLs
@@ -64,12 +58,6 @@ $(harfbuzz_dll_OBJS)
 <<
 	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;2
 
-$(HARFBUZZ_ICU_DLL_FILENAME).dll: $(CFG)\$(PLAT)\harfbuzz.lib $(harfbuzz_icu_OBJS) $(CFG)\$(PLAT)\harfbuzz-icu
-	link /DLL $(LDFLAGS) $(CFG)\$(PLAT)\harfbuzz.lib $(HB_ICU_DEP_LIBS) /implib:$(CFG)\$(PLAT)\harfbuzz-icu.lib -out:$@ @<<
-$(harfbuzz_icu_OBJS)
-<<
-	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;2
-
 $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll: $(CFG)\$(PLAT)\harfbuzz.lib $(harfbuzz_gobject_OBJS) $(CFG)\$(PLAT)\harfbuzz-gobject
 	link /DLL $(LDFLAGS) $(CFG)\$(PLAT)\harfbuzz.lib $(HB_GOBJECT_DEP_LIBS) /implib:$(CFG)\$(PLAT)\harfbuzz-gobject.lib -out:$@ @<<
 $(harfbuzz_gobject_OBJS)
@@ -131,7 +119,6 @@ clean:
 	@-del /f /q $(CFG)\$(PLAT)\*.obj
 	@-if exist $(CFG)\$(PLAT)\util del /f /q $(CFG)\$(PLAT)\util\*.obj
 	@-if exist $(CFG)\$(PLAT)\harfbuzz-gobject del /f /q $(CFG)\$(PLAT)\harfbuzz-gobject\*.obj
-	@-if exist $(CFG)\$(PLAT)\harfbuzz-icu del /f /q $(CFG)\$(PLAT)\harfbuzz-icu\*.obj
 	@-del /f /q $(CFG)\$(PLAT)\harfbuzz\*.obj
 	@-rmdir /s /q $(CFG)\$(PLAT)
 	@-if exist $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.h del $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.h
diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index d8b851d1e..ecbbe92fd 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -60,29 +60,12 @@ HB_TESTS_DEP_LIBS = $(HB_GLIB_LIBS)
 # Use libtool-style DLL names, if desired
 !if "$(LIBTOOL_DLL_NAME)" == "1"
 HARFBUZZ_DLL_FILENAME = $(CFG)\$(PLAT)\libharfbuzz-0
-HARFBUZZ_ICU_DLL_FILENAME = $(CFG)\$(PLAT)\libharfbuzz-icu-0
 HARFBUZZ_GOBJECT_DLL_FILENAME = $(CFG)\$(PLAT)\libharfbuzz-gobject-0
 !else
 HARFBUZZ_DLL_FILENAME = $(CFG)\$(PLAT)\harfbuzz-vs$(VSVER)
-HARFBUZZ_ICU_DLL_FILENAME = $(CFG)\$(PLAT)\harfbuzz-icu-vs$(VSVER)
 HARFBUZZ_GOBJECT_DLL_FILENAME = $(CFG)\$(PLAT)\harfbuzz-gobject-vs$(VSVER)
 !endif
 
-# Enable HarfBuzz-ICU, if desired
-!if "$(ICU)" == "1"
-HB_ICU_CFLAGS =
-HB_LIBS =	\
-	$(HB_LIBS)	\
-	$(CFG)\$(PLAT)\harfbuzz-icu.lib
-
-# We don't want to re-define int8_t Visual Studio 2008, will cause build breakage
-# as we define it in hb-common.h, and we ought to use the definitions there.
-!if "$(VSVER)" == "9"
-HB_ICU_CFLAGS = /DU_HAVE_INT8_T
-!endif
-
-!endif
-
 # Enable Introspection (enables HarfBuzz-Gobject as well)
 !if "$(INTROSPECTION)" == "1"
 GOBJECT = 1
@@ -181,6 +164,26 @@ HB_TESTS = \
 	$(CFG)\$(PLAT)\test-unicode.exe				\
 	$(CFG)\$(PLAT)\test-version.exe
 
+!elseif "$(ICU)" == "1"
+# use ICU for Unicode functions
+# and define some of the macros in GLib's msvc_recommended_pragmas.h
+# to reduce some unneeded build-time warnings
+HB_DEFINES = $(HB_DEFINES) /DHAVE_ICU=1 /DHAVE_ICU_BUILTIN=1
+HB_CFLAGS =	\
+	$(HB_CFLAGS)					\
+	/wd4244							\
+	/D_CRT_SECURE_NO_WARNINGS		\
+	/D_CRT_NONSTDC_NO_WARNINGS
+
+# We don't want ICU to re-define int8_t in VS 2008, will cause build breakage
+# as we define it in hb-common.h, and we ought to use the definitions there.
+!if "$(VSVER)" == "9"
+HB_CFLAGS =	$(HB_CFLAGS) /DU_HAVE_INT8_T
+!endif
+
+HB_SOURCES = $(HB_SOURCES) $(HB_ICU_sources)
+HB_HEADERS = $(HB_HEADERS) $(HB_ICU_headers)
+HB_DEP_LIBS = $(HB_DEP_LIBS) $(HB_ICU_DEP_LIBS)
 !else
 # If there is no GLib support, use the built-in UCDN
 # and define some of the macros in GLib's msvc_recommended_pragmas.h
diff --git a/win32/create-lists-msvc.mak b/win32/create-lists-msvc.mak
index 9b5574bf9..dbd2a579c 100644
--- a/win32/create-lists-msvc.mak
+++ b/win32/create-lists-msvc.mak
@@ -59,19 +59,6 @@ NULL=
 !endif
 !endif
 
-# For HarfBuzz-ICU
-!if "$(ICU)" == "1"
-
-!if [call create-lists.bat header hb_objs.mak harfbuzz_icu_OBJS]
-!endif
-
-!if [for %c in ($(HB_ICU_sources)) do @if "%~xc" == ".cc" @call create-lists.bat file hb_objs.mak ^$(CFG)\^$(PLAT)\harfbuzz-icu\%~nc.obj]
-!endif
-
-!if [call create-lists.bat footer hb_objs.mak]
-!endif
-!endif
-
 # For the utility programs (GLib support is required)
 !if "$(GLIB)" == "1"
 
diff --git a/win32/detectenv-msvc.mak b/win32/detectenv-msvc.mak
index 80a5eed7a..ca09793cb 100644
--- a/win32/detectenv-msvc.mak
+++ b/win32/detectenv-msvc.mak
@@ -110,7 +110,9 @@ VALID_CFGSET = TRUE
 # the resulting binaries
 !if "$(CFG)" == "release"
 CFLAGS_ADD = /MD /O2 /GL /MP
-!if "$(VSVER)" != "9"
+!if $(VSVER) > 9 && $(VSVER) < 14
+# Undocumented "enhance optimized debugging" switch. Became documented
+# as "/Zo" in VS 2013 Update 3, and is turned on by default in VS 2015.
 CFLAGS_ADD = $(CFLAGS_ADD) /d2Zi+
 !endif
 !else
diff --git a/win32/generate-msvc.mak b/win32/generate-msvc.mak
index 57cfb6ecb..32214ebbf 100644
--- a/win32/generate-msvc.mak
+++ b/win32/generate-msvc.mak
@@ -22,5 +22,5 @@ $(HB_GOBJECT_ENUM_GENERATED_SOURCES): ..\src\hb-gobject-enums.h.tmpl ..\src\hb-g
 !endif
 
 # Create the build directories
-$(CFG)\$(PLAT)\harfbuzz $(CFG)\$(PLAT)\harfbuzz-icu $(CFG)\$(PLAT)\harfbuzz-gobject $(CFG)\$(PLAT)\util:
+$(CFG)\$(PLAT)\harfbuzz $(CFG)\$(PLAT)\harfbuzz-gobject $(CFG)\$(PLAT)\util:
 	@-md $@
diff --git a/win32/info-msvc.mak b/win32/info-msvc.mak
index bbe631bd0..3ec11d4dc 100644
--- a/win32/info-msvc.mak
+++ b/win32/info-msvc.mak
@@ -11,6 +11,8 @@ BUILT_TOOLS = hb-shape.exe hb-ot-shape-closure.exe
 !if "$(CAIRO_FT)" == "1"
 BUILT_TOOLS = hb-view.exe $(BUILT_TOOLS)
 !endif
+!elseif "$(ICU)" == "1"
+UNICODE_IMPL = ICU
 !else
 UNICODE_IMPL = ucdn
 !endif
@@ -31,10 +33,6 @@ INC_FEATURES = $(INC_FEATURES) Uniscribe
 INC_FEATURES = $(INC_FEATURES) DirectWrite
 !endif
 
-!if "$(ICU)" == "1"
-BUILT_LIBRARIES = $(BUILT_LIBRARIES) HarfBuzz-ICU
-!endif
-
 !if "$(GOBJECT)" == "1"
 BUILT_LIBRARIES = $(BUILT_LIBRARIES) HarfBuzz-GObject
 !endif
@@ -101,20 +99,20 @@ help:
 	@echo library.  Enables the build of utility programs.
 	@echo.
 	@echo ICU:
-	@echo Enable the HarfBuzz-ICU layout library, requires the International
+	@echo Enable build with ICU Unicode functions, requires the International
 	@echo Components for Unicode (ICU) libraries.
 	@echo.
 	@echo GOBJECT:
 	@echo Enable the HarfBuzz-GObject library, also implies GLib2 support,
 	@echo requires the GNOME GLib2 libraries and tools, notably the glib-mkenums
-	@echo tool script, which will require a PERL interpretor (use
+	@echo tool script, which will require a PERL interpreter (use
 	@echo PERL=^$(PATH_TO_PERL_INTERPRETOR)) if it is not already in your PATH).
 	@echo.
 	@echo INTROSPECTION:
 	@echo Enable the build of introspection files, also implies GObject/GLib2 support,
 	@echo requires the GNOME gobject-introspection libraries and tools.  You will need
 	@echo to ensure the pkg-config (.pc) files can be found for GObject-2.0 and the
-	@echo Python interpretor (that was used to build the gobject-introsoection tools)
+	@echo Python interpreter (that was used to build the gobject-introspection tools)
 	@echo can be found by setting PKG_CONFIG_PATH beforehand, and passing in PYTHON=
 	@echo ^$(PATH_TO_PYTHON_INTERPRETOR) respectively, if python.exe is not already
 	@echo in your PATH.
diff --git a/win32/install.mak b/win32/install.mak
index fa239eaac..e0a38e316 100644
--- a/win32/install.mak
+++ b/win32/install.mak
@@ -8,9 +8,6 @@ install: all
 	@copy /b $(HARFBUZZ_DLL_FILENAME).dll $(PREFIX)\bin
 	@copy /b $(HARFBUZZ_DLL_FILENAME).pdb $(PREFIX)\bin
 	@copy /b $(CFG)\$(PLAT)\harfbuzz.lib $(PREFIX)\lib
-	@if exist $(HARFBUZZ_ICU_DLL_FILENAME).dll copy /b $(HARFBUZZ_ICU_DLL_FILENAME).dll $(PREFIX)\bin
-	@if exist $(HARFBUZZ_ICU_DLL_FILENAME).dll copy /b $(HARFBUZZ_ICU_DLL_FILENAME).pdb $(PREFIX)\bin
-	@if exist $(HARFBUZZ_ICU_DLL_FILENAME).dll copy /b $(CFG)\$(PLAT)\harfbuzz-icu.lib $(PREFIX)\lib
 	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll copy /b $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll $(PREFIX)\bin
 	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll copy /b $(HARFBUZZ_GOBJECT_DLL_FILENAME).pdb $(PREFIX)\bin
 	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll copy /b $(CFG)\$(PLAT)\harfbuzz-gobject.lib $(PREFIX)\lib
@@ -21,7 +18,6 @@ install: all
 	@if exist $(CFG)\$(PLAT)\hb-shape.exe copy /b $(CFG)\$(PLAT)\hb-shape.exe $(PREFIX)\bin
 	@if exist $(CFG)\$(PLAT)\hb-shape.exe copy /b $(CFG)\$(PLAT)\hb-shape.pdb $(PREFIX)\bin
 	@for %h in ($(HB_ACTUAL_HEADERS)) do @copy %h $(PREFIX)\include\harfbuzz
-	@if exist $(HARFBUZZ_ICU_DLL_FILENAME).dll for %h in ($(HB_ICU_headers)) do @copy ..\src\%h $(PREFIX)\include\harfbuzz
 	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll for %h in ($(HB_GOBJECT_headers)) do @copy ..\src\%h $(PREFIX)\include\harfbuzz
 	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll copy $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.h $(PREFIX)\include\harfbuzz
 	@rem Copy the generated introspection files

From 1e1825bf47aa29968f75a78305d4541ce2c9d40c Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Sat, 17 Dec 2016 10:30:40 +0330
Subject: [PATCH 0154/1326] [dwrite] Provide an experimental API for
 justification (#279)

---
 src/hb-directwrite.cc | 48 +++++++++++++++++++++++++++++++++++--------
 src/hb-directwrite.h  |  4 ++++
 2 files changed, 44 insertions(+), 8 deletions(-)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index d26b29851..b5c1113b1 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -209,8 +209,8 @@ _hb_directwrite_shaper_face_data_destroy(hb_directwrite_shaper_face_data_t *data
     data->fontFile->Release ();
   if (data->dwriteFactory) {
     if (data->fontFileLoader)
-      data->dwriteFactory->UnregisterFontFileLoader(data->fontFileLoader);
-    data->dwriteFactory->Release();
+      data->dwriteFactory->UnregisterFontFileLoader (data->fontFileLoader);
+    data->dwriteFactory->Release ();
   }
   if (data->fontFileLoader)
     delete data->fontFileLoader;
@@ -542,12 +542,13 @@ static inline uint32_t hb_uint32_swap (const uint32_t v)
  * shaper
  */
 
-hb_bool_t
-_hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
+static hb_bool_t
+_hb_directwrite_shape_full(hb_shape_plan_t    *shape_plan,
   hb_font_t          *font,
   hb_buffer_t        *buffer,
   const hb_feature_t *features,
-  unsigned int        num_features)
+  unsigned int        num_features,
+  float               lineWidth)
 {
   hb_face_t *face = font->face;
   hb_directwrite_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
@@ -728,9 +729,6 @@ retry_getglyphs:
     return false;
   }
 
-  // TODO: get lineWith from somewhere
-  float lineWidth = 0;
-
   IDWriteTextAnalyzer1* analyzer1;
   analyzer->QueryInterface (&analyzer1);
 
@@ -900,3 +898,37 @@ retry_getglyphs:
   /* Wow, done! */
   return true;
 }
+
+hb_bool_t
+_hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
+  hb_font_t          *font,
+  hb_buffer_t        *buffer,
+  const hb_feature_t *features,
+  unsigned int        num_features)
+{
+  return _hb_directwrite_shape_full(shape_plan, font, buffer,
+    features, num_features, 0);
+}
+
+/*
+ * Public [experimental] API
+ */
+
+hb_bool_t
+hb_shape_dwrite_experimental_width(hb_font_t          *font,
+  hb_buffer_t        *buffer,
+  const hb_feature_t *features,
+  unsigned int        num_features,
+  float               width)
+{
+  static char *shapers = "directwrite";
+  hb_shape_plan_t *shape_plan = hb_shape_plan_create_cached (font->face,
+    &buffer->props, features, num_features, &shapers);
+  hb_bool_t res = _hb_directwrite_shape_full (shape_plan, font, buffer,
+    features, num_features, width);
+
+  if (res)
+    buffer->content_type = HB_BUFFER_CONTENT_TYPE_GLYPHS;
+
+  return res;
+}
diff --git a/src/hb-directwrite.h b/src/hb-directwrite.h
index 0e1b4799d..0eb116f4c 100644
--- a/src/hb-directwrite.h
+++ b/src/hb-directwrite.h
@@ -29,6 +29,10 @@
 
 HB_BEGIN_DECLS
 
+HB_EXTERN hb_bool_t
+hb_shape_dwrite_experimental_width(hb_font_t *font, hb_buffer_t *buffer,
+  const hb_feature_t *features, unsigned int num_features, float width);
+
 HB_END_DECLS
 
 #endif /* HB_DIRECTWRITE_H */

From ad273881c597a95929ce3b84f63865f9d7dcdb7e Mon Sep 17 00:00:00 2001
From: "Volker H. Simonis" <volker.simonis@gmail.com>
Date: Wed, 14 Dec 2016 18:56:17 +0100
Subject: [PATCH 0155/1326] Minor fixes to pacify Coverity code scan

Fixes https://github.com/behdad/harfbuzz/pull/377
---
 src/hb-ot-font.cc              |  6 +++++-
 src/hb-ot-layout-gpos-table.hh | 14 +++++++-------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index df01bc9fa..5be055d34 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -355,7 +355,11 @@ struct hb_ot_face_cmap_accelerator_t
     if (!subtable) subtable = cmap->find_subtable (0, 2);
     if (!subtable) subtable = cmap->find_subtable (0, 1);
     if (!subtable) subtable = cmap->find_subtable (0, 0);
-    if (!subtable)(subtable = cmap->find_subtable (3, 0)) && (symbol = true);
+    if (!subtable)
+    {
+      subtable = cmap->find_subtable (3, 0);
+      if (subtable) symbol = true;
+    }
     /* Meh. */
     if (!subtable) subtable = &OT::Null(OT::CmapSubtable);
 
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 5c9fc29ca..952fd60fe 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -690,7 +690,7 @@ struct PairPosFormat1
     (this+coverage).add_coverage (c->input);
     unsigned int count = pairSet.len;
     for (unsigned int i = 0; i < count; i++)
-      (this+pairSet[i]).collect_glyphs (c, &valueFormat1);
+      (this+pairSet[i]).collect_glyphs (c, valueFormat);
   }
 
   inline const Coverage &get_coverage (void) const
@@ -709,7 +709,7 @@ struct PairPosFormat1
     skippy_iter.reset (buffer->idx, 1);
     if (!skippy_iter.next ()) return_trace (false);
 
-    return_trace ((this+pairSet[index]).apply (c, &valueFormat1, skippy_iter.idx));
+    return_trace ((this+pairSet[index]).apply (c, valueFormat, skippy_iter.idx));
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -718,11 +718,11 @@ struct PairPosFormat1
 
     if (!c->check_struct (this)) return_trace (false);
 
-    unsigned int len1 = valueFormat1.get_len ();
-    unsigned int len2 = valueFormat2.get_len ();
+    unsigned int len1 = valueFormat[0].get_len ();
+    unsigned int len2 = valueFormat[1].get_len ();
     PairSet::sanitize_closure_t closure = {
       this,
-      &valueFormat1,
+      valueFormat,
       len1,
       1 + len1 + len2
     };
@@ -735,10 +735,10 @@ struct PairPosFormat1
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
-  ValueFormat	valueFormat1;		/* Defines the types of data in
+  ValueFormat	valueFormat[2];		/* [0] Defines the types of data in
 					 * ValueRecord1--for the first glyph
 					 * in the pair--may be zero (0) */
-  ValueFormat	valueFormat2;		/* Defines the types of data in
+					/* [1] Defines the types of data in
 					 * ValueRecord2--for the second glyph
 					 * in the pair--may be zero (0) */
   OffsetArrayOf<PairSet>

From 1c98ff87c76536553e53c131e75aba33033ee3a0 Mon Sep 17 00:00:00 2001
From: Mike Hommey <mh@glandium.org>
Date: Fri, 30 Sep 2016 18:15:37 +0900
Subject: [PATCH 0156/1326] Support building with older glib versions

It is desirable to be able to build against older versions of glib.

fd7a245 changed the configure check to require glib > 2.38 for
G_TEST_DIST. Before that, version 2.16 was required, but in fact,
since aafe395, G_PASTE is being used, which was introduced in 2.19.1.
And since 0ef179e2, hb-glib uses GBytes, which were introduced in
2.31.10.

2.19.1 is rather old, but 2.38 is rather new. For Firefox, building
against 2.22 is still supported, although we could probably get away
with bumping that to 2.28. Either way, GBytes is not available.

Arguably, if you build against a glib that doesn't support GBytes,
you're not going to use the hb_glib_blob_create function, so we hide
the function when building against such a glib.

As for G_TEST_DIST, when building against versions of glib that don't
support it, we can fallback to the previous behavior, which, AIUI, was
just making the test not work when building in a separate directory.
---
 configure.ac            | 2 +-
 src/hb-glib.cc          | 2 ++
 src/hb-glib.h           | 3 ++-
 test/api/test-ot-math.c | 4 ++++
 4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 6948aa6ff..f985e1047 100644
--- a/configure.ac
+++ b/configure.ac
@@ -147,7 +147,7 @@ AC_ARG_WITH(glib,
 			[Use glib @<:@default=auto@:>@])],,
 	[with_glib=auto])
 have_glib=false
-GLIB_DEPS="glib-2.0 >= 2.38"
+GLIB_DEPS="glib-2.0 >= 2.19.1"
 AC_SUBST(GLIB_DEPS)
 if test "x$with_glib" = "xyes" -o "x$with_glib" = "xauto"; then
 	PKG_CHECK_MODULES(GLIB, $GLIB_DEPS, have_glib=true, :)
diff --git a/src/hb-glib.cc b/src/hb-glib.cc
index e20352475..2b91b5b65 100644
--- a/src/hb-glib.cc
+++ b/src/hb-glib.cc
@@ -382,6 +382,7 @@ hb_glib_get_unicode_funcs (void)
   return const_cast<hb_unicode_funcs_t *> (&_hb_glib_unicode_funcs);
 }
 
+#if GLIB_CHECK_VERSION(2,31,10)
 /**
  * hb_glib_blob_create:
  *
@@ -398,3 +399,4 @@ hb_glib_blob_create (GBytes *gbytes)
 			 g_bytes_ref (gbytes),
 			 (hb_destroy_func_t) g_bytes_unref);
 }
+#endif
diff --git a/src/hb-glib.h b/src/hb-glib.h
index 12c3e3b3a..5f04183ba 100644
--- a/src/hb-glib.h
+++ b/src/hb-glib.h
@@ -46,9 +46,10 @@ hb_glib_script_from_script (hb_script_t script);
 HB_EXTERN hb_unicode_funcs_t *
 hb_glib_get_unicode_funcs (void);
 
+#if GLIB_CHECK_VERSION(2,31,10)
 HB_EXTERN hb_blob_t *
 hb_glib_blob_create (GBytes *gbytes);
-
+#endif
 
 HB_END_DECLS
 
diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index 5f4ccb7fc..049656a03 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -54,7 +54,11 @@ cleanupFreeType (void)
 static void
 openFont(const char* fontFile)
 {
+#if GLIB_CHECK_VERSION(2,37,2)
   gchar* path = g_test_build_filename(G_TEST_DIST, fontFile, NULL);
+#else
+  gchar* path = g_strdup(fontFile);
+#endif
 
   FT_Error ft_error;
   if ((ft_error = FT_New_Face (ft_library, path, 0, &ft_face))) {

From 7ed71eb347c894c5b4b012bcca0816922c3052c2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 20 Dec 2016 15:01:16 -0600
Subject: [PATCH 0157/1326] Protect collect_glyphs() and closure() against
 malicious DDOS fonts

Fixes https://github.com/behdad/harfbuzz/issues/363
---
 src/hb-ot-layout-gsub-table.hh | 58 ++++++++++++++++++++++++++++------
 1 file changed, 48 insertions(+), 10 deletions(-)

diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 6658a2cd9..a81cd79c2 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -41,7 +41,10 @@ struct SingleSubstFormat1
   {
     TRACE_CLOSURE (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      /* TODO Switch to range-based API to work around malicious fonts.
+       * https://github.com/behdad/harfbuzz/issues/363 */
       hb_codepoint_t glyph_id = iter.get_glyph ();
       if (c->glyphs->has (glyph_id))
 	c->glyphs->add ((glyph_id + deltaGlyphID) & 0xFFFFu);
@@ -52,7 +55,10 @@ struct SingleSubstFormat1
   {
     TRACE_COLLECT_GLYPHS (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      /* TODO Switch to range-based API to work around malicious fonts.
+       * https://github.com/behdad/harfbuzz/issues/363 */
       hb_codepoint_t glyph_id = iter.get_glyph ();
       c->input->add (glyph_id);
       c->output->add ((glyph_id + deltaGlyphID) & 0xFFFFu);
@@ -120,7 +126,11 @@ struct SingleSubstFormat2
   {
     TRACE_CLOSURE (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    unsigned int count = substitute.len;
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      if (unlikely (iter.get_coverage () >= count))
+        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ()))
 	c->glyphs->add (substitute[iter.get_coverage ()]);
     }
@@ -130,7 +140,11 @@ struct SingleSubstFormat2
   {
     TRACE_COLLECT_GLYPHS (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    unsigned int count = substitute.len;
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      if (unlikely (iter.get_coverage () >= count))
+        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
       c->input->add (iter.get_glyph ());
       c->output->add (substitute[iter.get_coverage ()]);
     }
@@ -321,7 +335,11 @@ struct MultipleSubstFormat1
   {
     TRACE_CLOSURE (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    unsigned int count = sequence.len;
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      if (unlikely (iter.get_coverage () >= count))
+        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ()))
 	(this+sequence[iter.get_coverage ()]).closure (c);
     }
@@ -439,7 +457,11 @@ struct AlternateSubstFormat1
   {
     TRACE_CLOSURE (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    unsigned int count = alternateSet.len;
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      if (unlikely (iter.get_coverage () >= count))
+        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ())) {
 	const AlternateSet &alt_set = this+alternateSet[iter.get_coverage ()];
 	unsigned int count = alt_set.len;
@@ -453,7 +475,11 @@ struct AlternateSubstFormat1
   {
     TRACE_COLLECT_GLYPHS (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    unsigned int count = alternateSet.len;
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      if (unlikely (iter.get_coverage () >= count))
+        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
       c->input->add (iter.get_glyph ());
       const AlternateSet &alt_set = this+alternateSet[iter.get_coverage ()];
       unsigned int count = alt_set.len;
@@ -762,7 +788,11 @@ struct LigatureSubstFormat1
   {
     TRACE_CLOSURE (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    unsigned int count = ligatureSet.len;
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      if (unlikely (iter.get_coverage () >= count))
+        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ()))
 	(this+ligatureSet[iter.get_coverage ()]).closure (c);
     }
@@ -772,7 +802,11 @@ struct LigatureSubstFormat1
   {
     TRACE_COLLECT_GLYPHS (this);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    unsigned int count = ligatureSet.len;
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      if (unlikely (iter.get_coverage () >= count))
+        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
       c->input->add (iter.get_glyph ());
       (this+ligatureSet[iter.get_coverage ()]).collect_glyphs (c);
     }
@@ -923,7 +957,11 @@ struct ReverseChainSingleSubstFormat1
 
     const ArrayOf<GlyphID> &substitute = StructAfter<ArrayOf<GlyphID> > (lookahead);
     Coverage::Iter iter;
-    for (iter.init (this+coverage); iter.more (); iter.next ()) {
+    count = substitute.len;
+    for (iter.init (this+coverage); iter.more (); iter.next ())
+    {
+      if (unlikely (iter.get_coverage () >= count))
+        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ()))
 	c->glyphs->add (substitute[iter.get_coverage ()]);
     }

From de14c19d14be90367a1231de56dd347e3f54931c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 20 Dec 2016 20:50:38 -0600
Subject: [PATCH 0158/1326] [fuzzer] Separate main() into a new file

---
 test/fuzzing/hb-fuzzer.hh |  4 ++++
 test/fuzzing/main.cc      | 21 +++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 test/fuzzing/hb-fuzzer.hh
 create mode 100644 test/fuzzing/main.cc

diff --git a/test/fuzzing/hb-fuzzer.hh b/test/fuzzing/hb-fuzzer.hh
new file mode 100644
index 000000000..d0c617e09
--- /dev/null
+++ b/test/fuzzing/hb-fuzzer.hh
@@ -0,0 +1,4 @@
+#include <hb.h>
+#include <stddef.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
diff --git a/test/fuzzing/main.cc b/test/fuzzing/main.cc
new file mode 100644
index 000000000..4692f7b5f
--- /dev/null
+++ b/test/fuzzing/main.cc
@@ -0,0 +1,21 @@
+#include "hb-fuzzer.hh"
+
+#include <iostream>
+#include <iterator>
+#include <fstream>
+#include <assert.h>
+
+std::string FileToString(const std::string &Path) {
+  /* TODO This silently passes if file does not exist.  Fix it! */
+  std::ifstream T(Path.c_str());
+  return std::string((std::istreambuf_iterator<char>(T)),
+                     std::istreambuf_iterator<char>());
+}
+
+int main(int argc, char **argv) {
+  for (int i = 1; i < argc; i++) {
+    std::string s = FileToString(argv[i]);
+    std::cout << argv[i] << std::endl;
+    LLVMFuzzerTestOneInput((const unsigned char*)s.data(), s.size());
+  }
+}

From a0688e8e7b58c156f5809c272b5884bfe75f68ae Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 20 Dec 2016 20:52:50 -0600
Subject: [PATCH 0159/1326] Ouch, finish previous change

---
 test/fuzzing/Makefile.am  |  3 ++-
 test/fuzzing/hb-fuzzer.cc | 30 ++++--------------------------
 2 files changed, 6 insertions(+), 27 deletions(-)

diff --git a/test/fuzzing/Makefile.am b/test/fuzzing/Makefile.am
index 7b0eb9452..3ea8605bd 100644
--- a/test/fuzzing/Makefile.am
+++ b/test/fuzzing/Makefile.am
@@ -30,14 +30,15 @@ LDADD = \
 	$(NULL)
 
 hb_fuzzer_SOURCES = \
+	hb-fuzzer.hh \
 	hb-fuzzer.cc \
+	main.cc \
 	$(NULL)
 hb_fuzzer_LDADD = \
 	$(LDADD) \
 	$(NULL)
 hb_fuzzer_CPPFLAGS = \
 	$(AM_CPPFLAGS) \
-	-DMAIN \
 	$(NULL)
 hb_fuzzer_DEPENDENCIES = \
 	lib \
diff --git a/test/fuzzing/hb-fuzzer.cc b/test/fuzzing/hb-fuzzer.cc
index c9f15d831..79f322297 100644
--- a/test/fuzzing/hb-fuzzer.cc
+++ b/test/fuzzing/hb-fuzzer.cc
@@ -1,10 +1,10 @@
-#include <stddef.h>
-#include <hb.h>
+#include "hb-fuzzer.hh"
+
 #include <hb-ot.h>
 #include <string.h>
 
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
-
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
   hb_blob_t *blob = hb_blob_create((const char *)data, size,
                                    HB_MEMORY_MODE_READONLY, NULL, NULL);
   hb_face_t *face = hb_face_create(blob, 0);
@@ -50,25 +50,3 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   hb_blob_destroy(blob);
   return 0;
 }
-
-#ifdef MAIN
-#include <iostream>
-#include <iterator>
-#include <fstream>
-#include <assert.h>
-
-std::string FileToString(const std::string &Path) {
-  /* TODO This silently passes if file does not exist.  Fix it! */
-  std::ifstream T(Path.c_str());
-  return std::string((std::istreambuf_iterator<char>(T)),
-                     std::istreambuf_iterator<char>());
-}
-
-int main(int argc, char **argv) {
-  for (int i = 1; i < argc; i++) {
-    std::string s = FileToString(argv[i]);
-    std::cout << argv[i] << std::endl;
-    LLVMFuzzerTestOneInput((const unsigned char*)s.data(), s.size());
-  }
-}
-#endif

From eab418c5e6fa34b90133862cc8ce11e617ce08bf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 21 Dec 2016 15:51:28 -0600
Subject: [PATCH 0160/1326] Avoid infinite loop in CoverageFormat2 iteration
 with bad fonts

Fixes https://github.com/behdad/harfbuzz/issues/363
---
 src/hb-ot-layout-common-private.hh | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 4c7714a8e..62ca7a348 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -731,8 +731,8 @@ struct CoverageFormat1
     inline void init (const struct CoverageFormat1 &c_) { c = &c_; i = 0; };
     inline bool more (void) { return i < c->glyphArray.len; }
     inline void next (void) { i++; }
-    inline uint16_t get_glyph (void) { return c->glyphArray[i]; }
-    inline uint16_t get_coverage (void) { return i; }
+    inline hb_codepoint_t get_glyph (void) { return c->glyphArray[i]; }
+    inline unsigned int get_coverage (void) { return i; }
 
     private:
     const struct CoverageFormat1 *c;
@@ -829,26 +829,33 @@ struct CoverageFormat2
 
   public:
   /* Older compilers need this to be public. */
-  struct Iter {
-    inline void init (const CoverageFormat2 &c_) {
+  struct Iter
+  {
+    inline void init (const CoverageFormat2 &c_)
+    {
       c = &c_;
       coverage = 0;
       i = 0;
       j = c->rangeRecord.len ? c_.rangeRecord[0].start : 0;
     }
     inline bool more (void) { return i < c->rangeRecord.len; }
-    inline void next (void) {
-      coverage++;
-      if (j == c->rangeRecord[i].end) {
+    inline void next (void)
+    {
+      if (j >= c->rangeRecord[i].end)
+      {
         i++;
 	if (more ())
+	{
 	  j = c->rangeRecord[i].start;
+	  coverage = c->rangeRecord[i].value;
+	}
 	return;
       }
+      coverage++;
       j++;
     }
-    inline uint16_t get_glyph (void) { return j; }
-    inline uint16_t get_coverage (void) { return coverage; }
+    inline hb_codepoint_t get_glyph (void) { return j; }
+    inline unsigned int get_coverage (void) { return coverage; }
 
     private:
     const struct CoverageFormat2 *c;
@@ -957,14 +964,14 @@ struct Coverage
       default:                   break;
       }
     }
-    inline uint16_t get_glyph (void) {
+    inline hb_codepoint_t get_glyph (void) {
       switch (format) {
       case 1: return u.format1.get_glyph ();
       case 2: return u.format2.get_glyph ();
       default:return 0;
       }
     }
-    inline uint16_t get_coverage (void) {
+    inline unsigned int get_coverage (void) {
       switch (format) {
       case 1: return u.format1.get_coverage ();
       case 2: return u.format2.get_coverage ();

From df98ce5fc8cf1dafd58c329975f07aafbeee3263 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 21 Dec 2016 19:27:30 -0600
Subject: [PATCH 0161/1326] Improve debug output with really deep nesting

---
 src/hb-private.hh | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index c45be6f2f..666af6260 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -689,17 +689,20 @@ _hb_debug_msg_va (const char *what,
     fprintf (stderr, " %*s  ", (unsigned int) (2 * sizeof (void *)), "");
 
   if (indented) {
-/* One may want to add ASCII version of these.  See:
- * https://bugs.freedesktop.org/show_bug.cgi?id=50970 */
 #define VBAR	"\342\224\202"	/* U+2502 BOX DRAWINGS LIGHT VERTICAL */
 #define VRBAR	"\342\224\234"	/* U+251C BOX DRAWINGS LIGHT VERTICAL AND RIGHT */
 #define DLBAR	"\342\225\256"	/* U+256E BOX DRAWINGS LIGHT ARC DOWN AND LEFT */
 #define ULBAR	"\342\225\257"	/* U+256F BOX DRAWINGS LIGHT ARC UP AND LEFT */
 #define LBAR	"\342\225\264"	/* U+2574 BOX DRAWINGS LIGHT LEFT */
-    static const char bars[] = VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR;
+    static const char bars[] =
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR;
     fprintf (stderr, "%2u %s" VRBAR "%s",
 	     level,
-	     bars + sizeof (bars) - 1 - MIN ((unsigned int) sizeof (bars), (unsigned int) (sizeof (VBAR) - 1) * level),
+	     bars + sizeof (bars) - 1 - MIN ((unsigned int) sizeof (bars) - 1, (unsigned int) (sizeof (VBAR) - 1) * level),
 	     level_dir ? (level_dir > 0 ? DLBAR : ULBAR) : LBAR);
   } else
     fprintf (stderr, "   " VRBAR LBAR);

From 4b4a1b9f235598b04ce9ae1f9670fc978ab7620d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 21 Dec 2016 23:10:43 -0600
Subject: [PATCH 0162/1326] Fix assert fail with contextual matching

As discovered by libFuzzer / Chromium fuzzing.

Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=659496
CC https://github.com/behdad/harfbuzz/issues/139
---
 src/hb-ot-layout-gsubgpos-private.hh             |   6 +++++-
 .../217a934cfe15c548b572c203dceb2befdf026462.ttf | Bin 0 -> 1384 bytes
 test/shaping/tests/fuzzed.tests                  |   1 +
 3 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index b90af9ca0..fd75c5425 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -1001,8 +1001,12 @@ static inline bool apply_lookup (hb_apply_context_t *c,
     end = int (end) + delta;
     if (end <= match_positions[idx])
     {
+      /* End might end up being smaller than match_positions[idx] if the recursed
+       * lookup ended up removing many items, more than we have had matched.
+       * Just never rewind end back and get out of here.
+       * https://bugs.chromium.org/p/chromium/issues/detail?id=659496 */
+      end = match_positions[idx];
       /* There can't be any further changes. */
-      assert (end == match_positions[idx]);
       break;
     }
 
diff --git a/test/shaping/fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf b/test/shaping/fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..12b91a09f9325bdb1c0c1935e35e5cd4892b04c3
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/fuzzed.tests
index 7a5d395a9..771ac2b45 100644
--- a/test/shaping/tests/fuzzed.tests
+++ b/test/shaping/tests/fuzzed.tests
@@ -9,3 +9,4 @@ fonts/sha1sum/43979b90b2dd929723cf4fe1715990bcb9c9a56b.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/3511ff5c1647150595846ac414c595cccac34f18.ttf:--font-funcs=ot:U+0041:[gid0=0+1000|gid512=0+1000|gid15104=0+1000|gid11004=0+1000|gid3408=0+1000|gid18244=0+1000|gid17872=0+1000|gid17961=0+1000|gid0=0+1000|gid992=0+1000|gid15616=0+1000|gid0=0+1000|gid14151=0+1000|gid20559=0+1000|gid20992=0+1000|gid5440=0+1000|gid256=0+1000|gid0=0+1000|gid10=0+1000|gid8960=0+1000|gid256=0+1000|gid1024=0+1000|gid1490=0+1000|gid0=0+1000|gid768=0+1000|gid4096=0+1000|gid256=0+1000|gid2216=0+1000|gid0=0+1000|gid256=0+1000|gid256=0+1000|gid0=0+1000|gid768=0+1000|gid10752=0+1000|gid11004=0+1000|gid3408=0+1000|gid18244=0+1000|gid17734=0+1000|gid53248=0+1000|gid256=0+1000|gid0=0+1000|gid512=0+1000|gid14848=0+1000|gid10793=0+1000|gid57344=0+1000|gid768=0+1000|gid18227=0+1000|gid20285=0+1000|gid20480=0+1000|gid0=0+1000|gid256=0+1000|gid0=0+1000|gid810=0+1000|gid0=0+1000|gid11004=0+1000|gid3408=0+1000|gid18244=0+1000|gid17734=0+1000|gid53289=0+1000|gid57344=0+1000|gid768=0+1000|gid15667=0+1000|gid71=0+1000|gid0=0+1000|gid20559=0+1000|gid21248=0+1000|gid256=0+1000|gid0=0+1000|gid2816=0+1000|gid2776=0+1000|gid0=0+1000|gid51516=0+1000|gid0=0+1000|gid32=0+1000|gid26209=0+1000|gid28005=0+1000|gid65249=0+1000|gid29690=0+1000|gid0=0+1000|gid51548=0+1000|gid0=0+1000|gid2454=0+1000|gid28783=0+1000|gid29556=0+1000|gid1291=0+1000|gid3458=0+1000|gid80=0+1000|gid0=0+1000|gid2804=0+1000|gid210=0+1000|gid28786=0+1000|gid25968=0+1000|gid45763=0+1000|gid50546=0+1000|gid0=0+1000|gid59136=0+1000|gid0=0+1000|gid38144=0+1000|gid256=0+1000|gid0=0+1000|gid2560=0+1000|gid30208=0+1000|gid52224=0+1000|gid580=0+1000|gid17996=0+1000|gid21504=0+1000|gid6734=0+1000|gid108=0+1000|gid116=0+1000|gid24846=0+1000|gid1024=0+1000|gid0=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid0=0+1000|gid8704=0+1000|gid1345=0+1000|gid23109=0+1000|gid8192=0+1000|gid10823=0+1000|gid21076=0+1000|gid8192=0+1000|gid12877=0+1000|gid20300=0+1000|gid8192=0+1000|gid6738=0+1000|gid20301=0+1000|gid8192=0+1000|gid16980=0+1000|gid21067=0+1000|gid8251=0+1000|gid18944=0+1000|gid255=0+1000|gid65280=0+1000|gid15360=0+1000|gid256=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid768=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid768=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid1024=0+1000|gid12=0+1000|gid65280=0+1000|gid256=0+1000|gid1280=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid1536=0+1000|gid1899=0+1000|gid25970=0+1000|gid110=0+1000|gid11264=0+1000|gid27502=0+1000|gid29285=0+1000|gid12907=0+1000|gid25974=0+1000|gid28160=0+1000|gid14443=0+1000|gid25970=0+1000|gid28288=0+1000|gid3=0+1000|gid118=0+1000|gid18259=0+1000|gid21826=0+1000|gid45716=0+1000|gid46369=0+1000|gid0=0+1000|gid0=0+1000|gid1=0+1000|gid16=0+1000|gid17=0+1000|gid256=0+1000|gid4=0+1000|gid16=0+1000|gid18244=0+1000|gid17734=0+1000|gid28=0+1000|gid12=0+1000|gid0=0+1000|gid284=0+1000|gid0=0+1000|gid28=0+1000|gid18256=0+1000|gid20307=0+1000|gid45114=0+1000|gid47616=0+1000|gid226=0+1000|gid10296=0+1000|gid0=0+1000|gid57927=0+1000|gid1=0+1000|gid0=0+1000|gid0=0+1000|gid21248=0+1000|gid5440=0+1000|gid256=0+1000|gid0=0+1000|gid10=0+1000|gid768=0+1000|gid256=0+1000|gid1024=0+1000|gid512=0+1000|gid0=0+1000|gid297=0+1000|gid16=0+1000|gid24833=0+1000|gid28774=0+1000|gid10794=0+1000|gid2304=0+1000|gid29=0+1000|gid32=0+1000|gid42=0+1000|gid64515=0+1000|gid42=0+1000|gid42=0+1000|gid64525=0+1000|gid20551=0+1000|gid17477=0+1000|gid18128=0+1000|gid10720=0+1000|gid3=0+1000|gid61=0+1000|gid3408=0+1000|gid18244=0+1000|gid17734=0+1000|gid53289=0+1000|gid57344=0+1000|gid768=0+1000|gid15616=0+1000|gid512=0+1000|gid55=0+1000|gid10576=0+1000|gid20307=0+1000|gid0=0+1000|gid255=0+1000|gid56063=0+1000|gid53504=0+1000|gid42=0+1000|gid42=0+1000|gid64525=0+1000|gid12288=0+1000|gid18176=0+1000|gid80=0+1000|gid20307=0+1000|gid1=0+1000|gid0=0+1000|gid62=0+1000]
 fonts/sha1sum/fab39d60d758cb586db5a504f218442cd1395725.ttf:--font-funcs=ot:U+0041,U+0041:[gid0=0+1000|gid0=1+1000]
 fonts/sha1sum/205edd09bd3d141cc9580f650109556cc28b22cb.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf:--font-funcs=ot:U+0061,U+0061,U+0061:[]

From 1a0f4aa6dfee69236b422f7c8825eff940f45c19 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 22 Dec 2016 13:33:54 -0600
Subject: [PATCH 0163/1326] Revert "Synthesize GDEF glyph class for any glyph
 that does not have one in GDEF"

This reverts commit 69f9fbc4200442a35484d3c790ae8f4979be5d60.

See https://github.com/behdad/harfbuzz/issues/347#issuecomment-268873401
Fixes https://github.com/behdad/harfbuzz/issues/347
---
 src/hb-ot-layout-gsub-table.hh | 22 ++--------------------
 src/hb-ot-shape.cc             | 29 +++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 20 deletions(-)

diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index a81cd79c2..66fcb3f3a 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -1321,28 +1321,10 @@ GSUB::substitute_start (hb_font_t *font, hb_buffer_t *buffer)
 
   const GDEF &gdef = *hb_ot_layout_from_face (font->face)->gdef;
   unsigned int count = buffer->len;
-  hb_glyph_info_t *info = buffer->info;
   for (unsigned int i = 0; i < count; i++)
   {
-    unsigned int props = gdef.get_glyph_props (info[i].codepoint);
-    if (!props)
-    {
-      /* Never mark default-ignorables as marks.
-       * They won't get in the way of lookups anyway,
-       * but having them as mark will cause them to be skipped
-       * over if the lookup-flag says so, but at least for the
-       * Mongolian variation selectors, looks like Uniscribe
-       * marks them as non-mark.  Some Mongolian fonts without
-       * GDEF rely on this.  Another notable character that
-       * this applies to is COMBINING GRAPHEME JOINER. */
-      props = (_hb_glyph_info_get_general_category (&info[i]) !=
-	       HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK ||
-	       _hb_glyph_info_is_default_ignorable (&info[i])) ?
-	      HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH :
-	      HB_OT_LAYOUT_GLYPH_PROPS_MARK;
-    }
-    _hb_glyph_info_set_glyph_props (&info[i], props);
-    _hb_glyph_info_clear_lig_props (&info[i]);
+    _hb_glyph_info_set_glyph_props (&buffer->info[i], gdef.get_glyph_props (buffer->info[i].codepoint));
+    _hb_glyph_info_clear_lig_props (&buffer->info[i]);
     buffer->info[i].syllable() = 0;
   }
 }
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 987279878..cf916cc82 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -529,6 +529,32 @@ hb_ot_map_glyphs_fast (hb_buffer_t  *buffer)
   buffer->content_type = HB_BUFFER_CONTENT_TYPE_GLYPHS;
 }
 
+static inline void
+hb_synthesize_glyph_classes (hb_ot_shape_context_t *c)
+{
+  unsigned int count = c->buffer->len;
+  hb_glyph_info_t *info = c->buffer->info;
+  for (unsigned int i = 0; i < count; i++)
+  {
+    hb_ot_layout_glyph_props_flags_t klass;
+
+    /* Never mark default-ignorables as marks.
+     * They won't get in the way of lookups anyway,
+     * but having them as mark will cause them to be skipped
+     * over if the lookup-flag says so, but at least for the
+     * Mongolian variation selectors, looks like Uniscribe
+     * marks them as non-mark.  Some Mongolian fonts without
+     * GDEF rely on this.  Another notable character that
+     * this applies to is COMBINING GRAPHEME JOINER. */
+    klass = (_hb_glyph_info_get_general_category (&info[i]) !=
+	     HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK ||
+	     _hb_glyph_info_is_default_ignorable (&info[i])) ?
+	    HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH :
+	    HB_OT_LAYOUT_GLYPH_PROPS_MARK;
+    _hb_glyph_info_set_glyph_props (&info[i], klass);
+  }
+}
+
 static inline void
 hb_ot_substitute_default (hb_ot_shape_context_t *c)
 {
@@ -560,6 +586,9 @@ hb_ot_substitute_complex (hb_ot_shape_context_t *c)
 
   hb_ot_layout_substitute_start (c->font, buffer);
 
+  if (!hb_ot_layout_has_glyph_classes (c->face))
+    hb_synthesize_glyph_classes (c);
+
   c->plan->substitute (c->font, buffer);
 
   return;

From e2b878055bb1c0b84e1f7cfbf3d3f80bfc6811ea Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 22 Dec 2016 14:40:19 -0600
Subject: [PATCH 0164/1326] Disable OTL processing for Hebrew if GPOS doesn't
 have Hebrew subtable

New approach to fix this:
https://github.com/behdad/harfbuzz/commit/69f9fbc4200442a35484d3c790ae8f4979be5d60

Previous approach was reverted as it was too broad.  See context:
https://github.com/behdad/harfbuzz/issues/347#issuecomment-267838368

With U+05E9,U+05B8,U+05C1,U+05DC and Arial Unicode, we now (correctly) disable
GDEF and GPOS, so we get results very close to Uniscribe, but slightly different
since our fallback position logic is not exactly the same:

Before:		[gid1166=3+991|gid1142=0+737|gid5798=0+1434]
After:		[gid1166=3+991|gid1142=0@402,-26+0|gid5798=0+1434]
Uniscribe:	[gid1166=3+991|gid1142=0@348,0+0|gid5798=0+1434]
---
 src/hb-ot-shape-complex-arabic.cc  |  1 +
 src/hb-ot-shape-complex-default.cc |  1 +
 src/hb-ot-shape-complex-hangul.cc  |  1 +
 src/hb-ot-shape-complex-hebrew.cc  | 13 +++++++++++++
 src/hb-ot-shape-complex-indic.cc   |  1 +
 src/hb-ot-shape-complex-myanmar.cc |  2 ++
 src/hb-ot-shape-complex-private.hh |  8 ++++++++
 src/hb-ot-shape-complex-thai.cc    |  1 +
 src/hb-ot-shape-complex-tibetan.cc |  1 +
 src/hb-ot-shape-complex-use.cc     |  1 +
 src/hb-ot-shape.cc                 | 29 ++++++++++++++++-------------
 11 files changed, 46 insertions(+), 13 deletions(-)

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 4da899055..56ec5cd65 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -618,6 +618,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
   NULL, /* decompose */
   NULL, /* compose */
   setup_masks_arabic,
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-default.cc b/src/hb-ot-shape-complex-default.cc
index be60e56fe..42830ab61 100644
--- a/src/hb-ot-shape-complex-default.cc
+++ b/src/hb-ot-shape-complex-default.cc
@@ -40,6 +40,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
   NULL, /* decompose */
   NULL, /* compose */
   NULL, /* setup_masks */
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index 5f4d98b70..eb95a28c0 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -419,6 +419,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
   NULL, /* decompose */
   NULL, /* compose */
   setup_masks_hangul,
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-hebrew.cc b/src/hb-ot-shape-complex-hebrew.cc
index 32159002e..96f249461 100644
--- a/src/hb-ot-shape-complex-hebrew.cc
+++ b/src/hb-ot-shape-complex-hebrew.cc
@@ -154,6 +154,18 @@ compose_hebrew (const hb_ot_shape_normalize_context_t *c,
   return found;
 }
 
+static bool
+disable_otl_hebrew (const hb_ot_shape_plan_t *plan)
+{
+  /* For Hebrew shaper, use fallback if GPOS does not have 'hebr'
+   * script.  This matches Uniscribe better, and makes fonts like
+   * Arial that have GSUB/GPOS/GDEF but no data for Hebrew work.
+   * See:
+   * https://github.com/behdad/harfbuzz/issues/347#issuecomment-267838368
+   */
+  return plan->map.chosen_script[1] != HB_TAG ('h','e','b','r');
+}
+
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
 {
@@ -168,6 +180,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
   NULL, /* decompose */
   compose_hebrew,
   NULL, /* setup_masks */
+  disable_otl_hebrew,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 94556f654..ec6e82c4f 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1819,6 +1819,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
   decompose_indic,
   compose_indic,
   setup_masks_indic,
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 577d790c7..bb68622e2 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -521,6 +521,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_old =
   NULL, /* decompose */
   NULL, /* compose */
   NULL, /* setup_masks */
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
@@ -538,6 +539,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
   NULL, /* decompose */
   NULL, /* compose */
   setup_masks_myanmar,
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index fb0c70406..39572dfe0 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -146,6 +146,14 @@ struct hb_ot_complex_shaper_t
 		       hb_buffer_t              *buffer,
 		       hb_font_t                *font);
 
+  /* disable_otl()
+   * Called during shape().
+   * If set and returns true, GDEF/GSUB/GPOS of the font are ignored
+   * and fallback operations used.
+   * May be NULL.
+   */
+  bool (*disable_otl) (const hb_ot_shape_plan_t *plan);
+
   hb_ot_shape_zero_width_marks_type_t zero_width_marks;
 
   bool fallback_position;
diff --git a/src/hb-ot-shape-complex-thai.cc b/src/hb-ot-shape-complex-thai.cc
index 4322b0d1d..e6f80f59e 100644
--- a/src/hb-ot-shape-complex-thai.cc
+++ b/src/hb-ot-shape-complex-thai.cc
@@ -376,6 +376,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_thai =
   NULL, /* decompose */
   NULL, /* compose */
   NULL, /* setup_masks */
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   false,/* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-tibetan.cc b/src/hb-ot-shape-complex-tibetan.cc
index a77b531da..aadf59f5a 100644
--- a/src/hb-ot-shape-complex-tibetan.cc
+++ b/src/hb-ot-shape-complex-tibetan.cc
@@ -57,6 +57,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_tibetan =
   NULL, /* decompose */
   NULL, /* compose */
   NULL, /* setup_masks */
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index 045ead52f..13c7ab3bc 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -585,6 +585,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use =
   NULL, /* decompose */
   compose_use,
   setup_masks_use,
+  NULL, /* disable_otl */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index cf916cc82..ddd6662e8 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -218,6 +218,8 @@ struct hb_ot_shape_context_t
   unsigned int        num_user_features;
 
   /* Transient stuff */
+  bool fallback_positioning;
+  bool fallback_glyph_classes;
   hb_direction_t target_direction;
 };
 
@@ -571,7 +573,7 @@ hb_ot_substitute_default (hb_ot_shape_context_t *c)
   hb_ot_shape_setup_masks (c);
 
   /* This is unfortunate to go here, but necessary... */
-  if (!hb_ot_layout_has_positioning (c->face))
+  if (c->fallback_positioning)
     _hb_ot_shape_fallback_position_recategorize_marks (c->plan, c->font, buffer);
 
   hb_ot_map_glyphs_fast (buffer);
@@ -667,14 +669,12 @@ hb_ot_position_default (hb_ot_shape_context_t *c)
     _hb_ot_shape_fallback_spaces (c->plan, c->font, c->buffer);
 }
 
-static inline bool
+static inline void
 hb_ot_position_complex (hb_ot_shape_context_t *c)
 {
   hb_ot_layout_position_start (c->font, c->buffer);
 
-  bool ret = false;
   unsigned int count = c->buffer->len;
-  bool has_positioning = (bool) hb_ot_layout_has_positioning (c->face);
 
   /* If the font has no GPOS, AND, no fallback positioning will
    * happen, AND, direction is forward, then when zeroing mark
@@ -685,8 +685,9 @@ hb_ot_position_complex (hb_ot_shape_context_t *c)
    * If fallback positinoing happens or GPOS is present, we don't
    * care.
    */
-  bool adjust_offsets_when_zeroing = !(has_positioning || c->plan->shaper->fallback_position ||
-                                       HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction));
+  bool adjust_offsets_when_zeroing = c->fallback_positioning &&
+				     !c->plan->shaper->fallback_position &&
+				     HB_DIRECTION_IS_FORWARD (c->buffer->props.direction);
 
   switch (c->plan->shaper->zero_width_marks)
   {
@@ -700,7 +701,7 @@ hb_ot_position_complex (hb_ot_shape_context_t *c)
       break;
   }
 
-  if (has_positioning)
+  if (likely (!c->fallback_positioning))
   {
     hb_glyph_info_t *info = c->buffer->info;
     hb_glyph_position_t *pos = c->buffer->pos;
@@ -723,7 +724,6 @@ hb_ot_position_complex (hb_ot_shape_context_t *c)
 					  &pos[i].x_offset,
 					  &pos[i].y_offset);
 
-    ret = true;
   }
 
   switch (c->plan->shaper->zero_width_marks)
@@ -742,8 +742,6 @@ hb_ot_position_complex (hb_ot_shape_context_t *c)
   hb_ot_layout_position_finish_advances (c->font, c->buffer);
   hb_ot_zero_width_default_ignorables (c);
   hb_ot_layout_position_finish_offsets (c->font, c->buffer);
-
-  return ret;
 }
 
 static inline void
@@ -753,9 +751,9 @@ hb_ot_position (hb_ot_shape_context_t *c)
 
   hb_ot_position_default (c);
 
-  hb_bool_t fallback = !hb_ot_position_complex (c);
+  hb_ot_position_complex (c);
 
-  if (fallback && c->plan->shaper->fallback_position)
+  if (c->fallback_positioning && c->plan->shaper->fallback_position)
     _hb_ot_shape_fallback_position (c->plan, c->font, c->buffer);
 
   if (HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction))
@@ -763,7 +761,7 @@ hb_ot_position (hb_ot_shape_context_t *c)
 
   /* Visual fallback goes here. */
 
-  if (fallback)
+  if (c->fallback_positioning)
     _hb_ot_shape_fallback_kern (c->plan, c->font, c->buffer);
 
   _hb_buffer_deallocate_gsubgpos_vars (c->buffer);
@@ -783,6 +781,11 @@ hb_ot_shape_internal (hb_ot_shape_context_t *c)
 			      (unsigned) HB_BUFFER_MAX_LEN_MIN);
   }
 
+  bool disable_otl = c->plan->shaper->disable_otl && c->plan->shaper->disable_otl (c->plan);
+  //c->fallback_substitute     = disable_otl || !hb_ot_layout_has_substitution (c->face);
+  c->fallback_positioning    = disable_otl || !hb_ot_layout_has_positioning (c->face);
+  c->fallback_glyph_classes  = disable_otl || !hb_ot_layout_has_glyph_classes (c->face);
+
   /* Save the original direction, we use it later. */
   c->target_direction = c->buffer->props.direction;
 

From 7d1c5d8281b05a5c178ea3ae048b0062145968aa Mon Sep 17 00:00:00 2001
From: nvelinov <nikola.velinov@rwth-aachen.de>
Date: Sat, 24 Dec 2016 02:46:37 +0100
Subject: [PATCH 0165/1326] Compilation Error for ASSERT_STATIC on Some
 Compilers (#380)

* this pointer in type definitions is not interpreted as a constant.
This rule is not enforced strictly by all compilers, but the Green Hills Software compiler will regard this as an error.

* Merging branches for the DEFINE_SIZE_UNION macro
Adding check for the existence of static_size field in the tested member.
---
 src/hb-open-type-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 5b7ff337e..2cc1fb20d 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -105,7 +105,7 @@ static inline Type& StructAfter(TObject &X)
   inline unsigned int get_size (void) const { return (size); }
 
 #define DEFINE_SIZE_UNION(size, _member) \
-  DEFINE_INSTANCE_ASSERTION (this->u._member.static_size == (size)); \
+  DEFINE_INSTANCE_ASSERTION (0*sizeof(this->u._member.static_size) + sizeof(this->u._member) == (size)); \
   static const unsigned int min_size = (size)
 
 #define DEFINE_SIZE_MIN(size) \

From 3cc48a46b56be06e6734aaabf37a4b521606380c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Dec 2016 13:10:31 -0500
Subject: [PATCH 0166/1326] [indix] Comment

---
 src/hb-ot-shape-complex-indic.cc | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index ec6e82c4f..54fbfff52 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1713,33 +1713,52 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
   switch (ab)
   {
     /* Don't decompose these. */
-    case 0x0931u  : return false;
-    case 0x0B94u  : return false;
+    case 0x0931u  : return false; /* DEVANAGARI LETTER RRA */
+    case 0x0B94u  : return false; /* TAMIL LETTER AU */
 
 
     /*
      * Decompose split matras that don't have Unicode decompositions.
      */
 
+    /* Tibetan */
     case 0x0F77u  : *a = 0x0FB2u; *b= 0x0F81u; return true;
     case 0x0F79u  : *a = 0x0FB3u; *b= 0x0F81u; return true;
+
+    /* Khmer */
     case 0x17BEu  : *a = 0x17C1u; *b= 0x17BEu; return true;
     case 0x17BFu  : *a = 0x17C1u; *b= 0x17BFu; return true;
     case 0x17C0u  : *a = 0x17C1u; *b= 0x17C0u; return true;
     case 0x17C4u  : *a = 0x17C1u; *b= 0x17C4u; return true;
     case 0x17C5u  : *a = 0x17C1u; *b= 0x17C5u; return true;
+
+    /* Limbu */
     case 0x1925u  : *a = 0x1920u; *b= 0x1923u; return true;
     case 0x1926u  : *a = 0x1920u; *b= 0x1924u; return true;
+
+    /* Balinese */
     case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
+
+    /* Chakma */
     case 0x1112Eu  : *a = 0x11127u; *b= 0x11131u; return true;
     case 0x1112Fu  : *a = 0x11127u; *b= 0x11132u; return true;
+
 #if 0
+    /* Gujarati */
     /* This one has no decomposition in Unicode, but needs no decomposition either. */
     /* case 0x0AC9u  : return false; */
+
+    /* Oriya */
     case 0x0B57u  : *a = no decomp, -> RIGHT; return true;
+
+    /* Lepcha */
     case 0x1C29u  : *a = no decomp, -> LEFT; return true;
+
+    /* Javanese */
     case 0xA9C0u  : *a = no decomp, -> RIGHT; return true;
-    case 0x111BuF  : *a = no decomp, -> ABOVE; return true;
+
+    /* Sharada */
+    case 0x111BFu  : *a = no decomp, -> ABOVE; return true;
 #endif
   }
 

From 805f76fc002d703acfcc4c5727f0b4d1baecefaa Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Dec 2016 14:11:59 -0500
Subject: [PATCH 0167/1326] [indic] Remove redundant Chakma decomposition rule

This was not used BTW since Chakma doesn't go through Indic shaper
anymore.

See:
https://github.com/behdad/harfbuzz/issues/381
https://github.com/behdad/harfbuzz/issues/382
---
 src/hb-ot-shape-complex-indic.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 54fbfff52..36fa0147d 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1739,10 +1739,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
     /* Balinese */
     case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
 
-    /* Chakma */
-    case 0x1112Eu  : *a = 0x11127u; *b= 0x11131u; return true;
-    case 0x1112Fu  : *a = 0x11127u; *b= 0x11132u; return true;
-
 #if 0
     /* Gujarati */
     /* This one has no decomposition in Unicode, but needs no decomposition either. */

From c4ca49d55b49c65e04f0b2acecacd6a5c70978f4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Dec 2016 14:52:08 -0500
Subject: [PATCH 0168/1326] Revert "[indic] Remove redundant Chakma
 decomposition rule"

This reverts commit 805f76fc002d703acfcc4c5727f0b4d1baecefaa.

Need to investigate why having this rule (with the reversed order)
fixes decomposition as reported by punchcutter:
https://github.com/behdad/harfbuzz/issues/381#issuecomment-269237796
---
 src/hb-ot-shape-complex-indic.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 36fa0147d..54fbfff52 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1739,6 +1739,10 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
     /* Balinese */
     case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
 
+    /* Chakma */
+    case 0x1112Eu  : *a = 0x11127u; *b= 0x11131u; return true;
+    case 0x1112Fu  : *a = 0x11127u; *b= 0x11132u; return true;
+
 #if 0
     /* Gujarati */
     /* This one has no decomposition in Unicode, but needs no decomposition either. */

From 49ba698124399373cea000d08e0e9fe5fc2396e8 Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Wed, 28 Dec 2016 18:00:51 +0000
Subject: [PATCH 0169/1326] [use] Special-case Chakma split-vowel decomp in the
 USE shaper. (#383)

---
 src/hb-ot-shape-complex-use.cc | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index 13c7ab3bc..af6870686 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -558,6 +558,25 @@ reorder (const hb_ot_shape_plan_t *plan,
   HB_BUFFER_DEALLOCATE_VAR (buffer, use_category);
 }
 
+static bool
+decompose_use (const hb_ot_shape_normalize_context_t *c,
+                hb_codepoint_t  ab,
+                hb_codepoint_t *a,
+                hb_codepoint_t *b)
+{
+  switch (ab)
+  {
+    /* Chakma:
+     * Special case where the Unicode decomp gives matras in the wrong order
+     * for cluster validation.
+     */
+    case 0x1112Eu : *a = 0x11127u; *b= 0x11131u; return true;
+    case 0x1112Fu : *a = 0x11127u; *b= 0x11132u; return true;
+  }
+
+  return (bool) c->unicode->decompose (ab, a, b);
+}
+
 static bool
 compose_use (const hb_ot_shape_normalize_context_t *c,
 	     hb_codepoint_t  a,
@@ -582,7 +601,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use =
   NULL, /* preprocess_text */
   NULL, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
-  NULL, /* decompose */
+  decompose_use,
   compose_use,
   setup_masks_use,
   NULL, /* disable_otl */

From e678b537f77954615721abd65fef28854f95dc5d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Dec 2016 14:11:59 -0500
Subject: [PATCH 0170/1326] [indic] Remove Chakma decomposition rule from Indic
 shaper

This is now added to USE:
https://github.com/behdad/harfbuzz/pull/383

See:
https://github.com/behdad/harfbuzz/issues/381
https://github.com/behdad/harfbuzz/issues/382
---
 src/hb-ot-shape-complex-indic.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 54fbfff52..36fa0147d 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1739,10 +1739,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
     /* Balinese */
     case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
 
-    /* Chakma */
-    case 0x1112Eu  : *a = 0x11127u; *b= 0x11131u; return true;
-    case 0x1112Fu  : *a = 0x11127u; *b= 0x11132u; return true;
-
 #if 0
     /* Gujarati */
     /* This one has no decomposition in Unicode, but needs no decomposition either. */

From f6ba63b2e8eb577385f70758efdd3b8408c8a9cb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 28 Dec 2016 13:45:32 -0500
Subject: [PATCH 0171/1326] Port decompositions from Indic to USE shaper

Part of https://github.com/behdad/harfbuzz/issues/382
---
 src/hb-ot-shape-complex-indic.cc | 16 ----------------
 src/hb-ot-shape-complex-use.cc   | 22 ++++++++++++++++++++++
 2 files changed, 22 insertions(+), 16 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 36fa0147d..19aca56a6 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1732,13 +1732,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
     case 0x17C4u  : *a = 0x17C1u; *b= 0x17C4u; return true;
     case 0x17C5u  : *a = 0x17C1u; *b= 0x17C5u; return true;
 
-    /* Limbu */
-    case 0x1925u  : *a = 0x1920u; *b= 0x1923u; return true;
-    case 0x1926u  : *a = 0x1920u; *b= 0x1924u; return true;
-
-    /* Balinese */
-    case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
-
 #if 0
     /* Gujarati */
     /* This one has no decomposition in Unicode, but needs no decomposition either. */
@@ -1746,15 +1739,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
 
     /* Oriya */
     case 0x0B57u  : *a = no decomp, -> RIGHT; return true;
-
-    /* Lepcha */
-    case 0x1C29u  : *a = no decomp, -> LEFT; return true;
-
-    /* Javanese */
-    case 0xA9C0u  : *a = no decomp, -> RIGHT; return true;
-
-    /* Sharada */
-    case 0x111BFu  : *a = no decomp, -> ABOVE; return true;
 #endif
   }
 
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index af6870686..5b19d5d74 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -572,6 +572,28 @@ decompose_use (const hb_ot_shape_normalize_context_t *c,
      */
     case 0x1112Eu : *a = 0x11127u; *b= 0x11131u; return true;
     case 0x1112Fu : *a = 0x11127u; *b= 0x11132u; return true;
+
+    /*
+     * Decompose split matras that don't have Unicode decompositions.
+     */
+
+    /* Limbu */
+    case 0x1925u  : *a = 0x1920u; *b= 0x1923u; return true;
+    case 0x1926u  : *a = 0x1920u; *b= 0x1924u; return true;
+
+    /* Balinese */
+    case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
+
+#if 0
+    /* Lepcha */
+    case 0x1C29u  : *a = no decomp, -> LEFT; return true;
+
+    /* Javanese */
+    case 0xA9C0u  : *a = no decomp, -> RIGHT; return true;
+
+    /* Sharada */
+    case 0x111BFu  : *a = no decomp, -> ABOVE; return true;
+#endif
   }
 
   return (bool) c->unicode->decompose (ab, a, b);

From 6cff75394192a1ab0dda82981752ade532838333 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 28 Dec 2016 13:46:21 -0500
Subject: [PATCH 0172/1326] Remove Tibetan decomposition rules from Indic
 shaper

The decomposition is very obscure and unlikely to help
any fonts.  Just remove it since Uniscribe probably doesn't
do this either.

Fixes https://github.com/behdad/harfbuzz/issues/382
---
 src/hb-ot-shape-complex-indic.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 19aca56a6..b48fb561c 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1721,10 +1721,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
      * Decompose split matras that don't have Unicode decompositions.
      */
 
-    /* Tibetan */
-    case 0x0F77u  : *a = 0x0FB2u; *b= 0x0F81u; return true;
-    case 0x0F79u  : *a = 0x0FB3u; *b= 0x0F81u; return true;
-
     /* Khmer */
     case 0x17BEu  : *a = 0x17C1u; *b= 0x17BEu; return true;
     case 0x17BFu  : *a = 0x17C1u; *b= 0x17BFu; return true;

From e053ccc5bb7268fe5900dd364d906638c58b2908 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 28 Dec 2016 15:51:57 -0500
Subject: [PATCH 0173/1326] Remove Android.mk

Android uses its own file these days and third-party developers should
be using the autotools-based system against Android NDK.
---
 Android.mk  | 107 ----------------------------------------------------
 Makefile.am |   1 -
 2 files changed, 108 deletions(-)
 delete mode 100644 Android.mk

diff --git a/Android.mk b/Android.mk
deleted file mode 100644
index 654f0e0fc..000000000
--- a/Android.mk
+++ /dev/null
@@ -1,107 +0,0 @@
-##
-## Copyright (C) 2012 The Android Open Source Project
-##
-## Licensed under the Apache License, Version 2.0 (the "License");
-## you may not use this file except in compliance with the License.
-## You may obtain a copy of the License at
-##
-##      http://www.apache.org/licenses/LICENSE-2.0
-##
-## Unless required by applicable law or agreed to in writing, software
-## distributed under the License is distributed on an "AS IS" BASIS,
-## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-## See the License for the specific language governing permissions and
-## limitations under the License.
-##
-
-#############################################################
-#   Note:
-#
-#   This file is used to build HarfBuzz within the Android
-#   platform itself.  If you need to compile HarfBuzz to
-#   ship with your Android NDK app, you can use the autotools
-#   build system to do so.  To do that you need to install a
-#   "standalone" toolchain with the NDK, eg:
-#
-#       ndk/build/tools/make-standalone-toolchain.sh \
-#           --platform=android-18 \
-#           --install-dir=/prefix
-#
-#   Set PLATFORM_PREFIX eng var to that prefix and make sure
-#   the cross-compile tools from PLATFORM_PREFIX are in path.
-#   Configure and install HarfBuzz:
-#
-#       ./configure --host=arm-linux-androideabi \
-#           --prefix=$PLATFORM_PREFIX \
-#           --enable-static \
-#           --with-freetype \
-#           PKG_CONFIG_LIBDIR=$PLATFORM_PREFIX/lib/pkgconfig
-#       make install
-#
-#   You can first build FreeType the same way:
-#
-#       ./configure --host=arm-linux-androideabi \
-#           --prefix=$PLATFORM_PREFIX \
-#           --enable-static \
-#           --without-png \
-#           PKG_CONFIG_LIBDIR=$PLATFORM_PREFIX/lib/pkgconfig
-#       make install
-#
-
-LOCAL_PATH:= $(call my-dir)
-
-HARFBUZZ_SRC_FILES = \
-	src/hb-blob.cc \
-	src/hb-buffer-serialize.cc \
-	src/hb-buffer.cc \
-	src/hb-common.cc \
-	src/hb-face.cc \
-	src/hb-font.cc \
-	src/hb-ot-tag.cc \
-	src/hb-set.cc \
-	src/hb-shape.cc \
-	src/hb-shape-plan.cc \
-	src/hb-shaper.cc \
-	src/hb-unicode.cc \
-	src/hb-warning.cc \
-	src/hb-ot-font.cc \
-	src/hb-ot-layout.cc \
-	src/hb-ot-map.cc \
-	src/hb-ot-shape.cc \
-	src/hb-ot-shape-complex-arabic.cc \
-	src/hb-ot-shape-complex-default.cc \
-	src/hb-ot-shape-complex-hangul.cc \
-	src/hb-ot-shape-complex-hebrew.cc \
-	src/hb-ot-shape-complex-indic.cc \
-	src/hb-ot-shape-complex-indic-table.cc \
-	src/hb-ot-shape-complex-myanmar.cc \
-	src/hb-ot-shape-complex-thai.cc \
-	src/hb-ot-shape-complex-tibetan.cc \
-	src/hb-ot-shape-complex-use.cc \
-	src/hb-ot-shape-complex-use-table.cc \
-	src/hb-ot-shape-normalize.cc \
-	src/hb-ot-shape-fallback.cc \
-	$(NULL)
-
-#############################################################
-#   build the harfbuzz shared library
-#
-include $(CLEAR_VARS)
-LOCAL_ARM_MODE := arm
-LOCAL_MODULE_TAGS := optional
-LOCAL_SRC_FILES:= \
-	$(HARFBUZZ_SRC_FILES) \
-	src/hb-icu.cc
-LOCAL_CPP_EXTENSION := .cc
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-	libicuuc \
-	libicui18n \
-	libutils \
-	liblog
-LOCAL_C_INCLUDES += \
-        $(LOCAL_PATH)/src
-LOCAL_CFLAGS += -DHB_NO_MT -DHAVE_OT -DHAVE_ICU -DHAVE_ICU_BUILTIN \
-	-Wno-unused-parameter -Wno-missing-field-initializers
-LOCAL_MODULE:= libharfbuzz_ng
-include $(BUILD_SHARED_LIBRARY)
diff --git a/Makefile.am b/Makefile.am
index d56a151a3..8dc8a4b93 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -9,7 +9,6 @@ SUBDIRS = src util test docs win32
 EXTRA_DIST = \
 	autogen.sh \
 	harfbuzz.doap \
-	Android.mk \
 	README.python \
 	BUILD.md \
 	$(NULL)

From ae00af4a47587308969dfaf7baa93164d7842710 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Wang?= <fred.wang@free.fr>
Date: Tue, 3 Jan 2017 05:55:09 +0100
Subject: [PATCH 0174/1326] Move math-specific code from hb-ot-layout to
 hb-ot-math #235 (#384)

---
 src/Makefile.sources |   1 +
 src/hb-ot-layout.cc  | 244 --------------------------------------
 src/hb-ot-math.cc    | 272 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 273 insertions(+), 244 deletions(-)
 create mode 100644 src/hb-ot-math.cc

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 166793aa4..e72759842 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -80,6 +80,7 @@ HB_OT_sources = \
 	hb-ot-layout-private.hh \
 	hb-ot-map.cc \
 	hb-ot-map-private.hh \
+	hb-ot-math.cc \
 	hb-ot-shape.cc \
 	hb-ot-shape-complex-arabic.cc \
 	hb-ot-shape-complex-arabic-fallback.hh \
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 345d5e695..145ec7638 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -35,7 +35,6 @@
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
 #include "hb-ot-layout-jstf-table.hh"
-#include "hb-ot-layout-math-table.hh"
 
 #include "hb-ot-map-private.hh"
 
@@ -205,31 +204,6 @@ _get_gpos (hb_face_t *face)
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::GPOS);
   return *hb_ot_layout_from_face (face)->gpos;
 }
-static inline const OT::MATH&
-_get_math (hb_face_t *face)
-{
-  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::MATH);
-
-  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-
-retry:
-  const OT::MATH *math = (const OT::MATH *) hb_atomic_ptr_get (&layout->math);
-
-  if (unlikely (!math))
-  {
-    hb_blob_t *blob = OT::Sanitizer<OT::MATH>::sanitize (face->reference_table (HB_OT_TAG_MATH));
-    math = OT::Sanitizer<OT::MATH>::lock_instance (blob);
-    if (!hb_atomic_ptr_cmpexch (&layout->math, NULL, math))
-    {
-      hb_blob_destroy (blob);
-      goto retry;
-    }
-    layout->math_blob = blob;
-  }
-
-  return *math;
-}
-
 
 /*
  * GDEF
@@ -1255,221 +1229,3 @@ hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
 {
   apply_string<GSUBProxy> (c, lookup, accel);
 }
-
-
-/*
- * MATH
- */
-/* TODO Move this to hb-ot-math.cc and separate it from hb_ot_layout_t. */
-
-/**
- * hb_ot_math_has_data:
- * @face: #hb_face_t to test
- *
- * This function allows to verify the presence of an OpenType MATH table on the
- * face. If so, such a table will be loaded into memory and sanitized. You can
- * then safely call other functions for math layout and shaping.
- *
- * Return value: #TRUE if face has a MATH table and #FALSE otherwise
- *
- * Since: 1.3.3
- **/
-hb_bool_t
-hb_ot_math_has_data (hb_face_t *face)
-{
-  return &_get_math (face) != &OT::Null(OT::MATH);
-}
-
-/**
- * hb_ot_math_get_constant:
- * @font: #hb_font_t from which to retrieve the value
- * @constant: #hb_ot_math_constant_t the constant to retrieve
- *
- * This function returns the requested math constants as a #hb_position_t.
- * If the request constant is HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN,
- * HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN or
- * HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN then the return value is
- * actually an integer between 0 and 100 representing that percentage.
- *
- * Return value: the requested constant or 0
- *
- * Since: 1.3.3
- **/
-hb_position_t
-hb_ot_math_get_constant (hb_font_t *font,
-			 hb_ot_math_constant_t constant)
-{
-  const OT::MATH &math = _get_math (font->face);
-  return math.get_constant(constant, font);
-}
-
-/**
- * hb_ot_math_get_glyph_italics_correction:
- * @font: #hb_font_t from which to retrieve the value
- * @glyph: glyph index from which to retrieve the value
- *
- * Return value: the italics correction of the glyph or 0
- *
- * Since: 1.3.3
- **/
-hb_position_t
-hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
-					 hb_codepoint_t glyph)
-{
-  const OT::MATH &math = _get_math (font->face);
-  return math.get_math_glyph_info().get_italics_correction (glyph, font);
-}
-
-/**
- * hb_ot_math_get_glyph_top_accent_attachment:
- * @font: #hb_font_t from which to retrieve the value
- * @glyph: glyph index from which to retrieve the value
- *
- * Return value: the top accent attachment of the glyph or 0
- *
- * Since: 1.3.3
- **/
-hb_position_t
-hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
-					    hb_codepoint_t glyph)
-{
-  const OT::MATH &math = _get_math (font->face);
-  return math.get_math_glyph_info().get_top_accent_attachment (glyph, font);
-}
-
-/**
- * hb_ot_math_is_glyph_extended_shape:
- * @font: a #hb_font_t to test
- * @glyph: a glyph index to test
- *
- * Return value: #TRUE if the glyph is an extended shape and #FALSE otherwise
- *
- * Since: 1.3.3
- **/
-hb_bool_t
-hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
-				    hb_codepoint_t glyph)
-{
-  const OT::MATH &math = _get_math (face);
-  return math.get_math_glyph_info().is_extended_shape (glyph);
-}
-
-/**
- * hb_ot_math_get_glyph_kerning:
- * @font: #hb_font_t from which to retrieve the value
- * @glyph: glyph index from which to retrieve the value
- * @kern: the #hb_ot_math_kern_t from which to retrieve the value
- * @correction_height: the correction height to use to determine the kerning.
- *
- * This function tries to retrieve the MathKern table for the specified font,
- * glyph and #hb_ot_math_kern_t. Then it browses the list of heights from the
- * MathKern table to find one value that is greater or equal to specified
- * correction_height. If one is found the corresponding value from the list of
- * kerns is returned and otherwise the last kern value is returned.
- *
- * Return value: requested kerning or 0
- *
- * Since: 1.3.3
- **/
-hb_position_t
-hb_ot_math_get_glyph_kerning (hb_font_t *font,
-			      hb_codepoint_t glyph,
-			      hb_ot_math_kern_t kern,
-			      hb_position_t correction_height)
-{
-  const OT::MATH &math = _get_math (font->face);
-  return math.get_math_glyph_info().get_kerning (glyph, kern, correction_height, font);
-}
-
-/**
- * hb_ot_math_get_glyph_variants:
- * @font: #hb_font_t from which to retrieve the values
- * @glyph: index of the glyph to stretch
- * @direction: direction of the stretching
- * @start_offset: offset of the first variant to retrieve
- * @variants_count: maximum number of variants to retrieve after start_offset
- * (IN) and actual number of variants retrieved (OUT)
- * @variants: array of size at least @variants_count to store the result
- *
- * This function tries to retrieve the MathGlyphConstruction for the specified
- * font, glyph and direction. Note that only the value of
- * #HB_DIRECTION_IS_HORIZONTAL is considered. It provides the corresponding list
- * of size variants as an array of hb_ot_math_glyph_variant_t structs.
- *
- * Return value: the total number of size variants available or 0
- *
- * Since: 1.3.3
- **/
-unsigned int
-hb_ot_math_get_glyph_variants (hb_font_t *font,
-			       hb_codepoint_t glyph,
-			       hb_direction_t direction,
-			       unsigned int start_offset,
-			       unsigned int *variants_count, /* IN/OUT */
-			       hb_ot_math_glyph_variant_t *variants /* OUT */)
-{
-  const OT::MATH &math = _get_math (font->face);
-  return math.get_math_variants().get_glyph_variants (glyph, direction, font,
-						      start_offset,
-						      variants_count,
-						      variants);
-}
-
-/**
- * hb_ot_math_get_min_connector_overlap:
- * @font: #hb_font_t from which to retrieve the value
- * @direction: direction of the stretching
- *
- * This function tries to retrieve the MathVariants table for the specified
- * font and returns the minimum overlap of connecting glyphs to draw a glyph
- * assembly in the specified direction. Note that only the value of
- * #HB_DIRECTION_IS_HORIZONTAL is considered.
- *
- * Return value: requested min connector overlap or 0
- *
- * Since: 1.3.3
- **/
-hb_position_t
-hb_ot_math_get_min_connector_overlap (hb_font_t *font,
-				      hb_direction_t direction)
-{
-  const OT::MATH &math = _get_math (font->face);
-  return math.get_math_variants().get_min_connector_overlap (direction, font);
-}
-
-/**
- * hb_ot_math_get_glyph_assembly:
- * @font: #hb_font_t from which to retrieve the values
- * @glyph: index of the glyph to stretch
- * @direction: direction of the stretching
- * @start_offset: offset of the first glyph part to retrieve
- * @parts_count: maximum number of glyph parts to retrieve after start_offset
- * (IN) and actual number of parts retrieved (OUT)
- * @parts: array of size at least @parts_count to store the result
- * @italics_correction: italic correction of the glyph assembly
- *
- * This function tries to retrieve the GlyphAssembly for the specified font,
- * glyph and direction. Note that only the value of #HB_DIRECTION_IS_HORIZONTAL
- * is considered. It provides the information necessary to draw the glyph
- * assembly as an array of #hb_ot_math_glyph_part_t.
- *
- * Return value: the total number of parts in the glyph assembly
- *
- * Since: 1.3.3
- **/
-unsigned int
-hb_ot_math_get_glyph_assembly (hb_font_t *font,
-			       hb_codepoint_t glyph,
-			       hb_direction_t direction,
-			       unsigned int start_offset,
-			       unsigned int *parts_count, /* IN/OUT */
-			       hb_ot_math_glyph_part_t *parts, /* OUT */
-			       hb_position_t *italics_correction /* OUT */)
-{
-  const OT::MATH &math = _get_math (font->face);
-  return math.get_math_variants().get_glyph_parts (glyph, direction, font,
-						   start_offset,
-						   parts_count,
-						   parts,
-						   italics_correction);
-}
diff --git a/src/hb-ot-math.cc b/src/hb-ot-math.cc
new file mode 100644
index 000000000..9ef21d299
--- /dev/null
+++ b/src/hb-ot-math.cc
@@ -0,0 +1,272 @@
+/*
+ * Copyright © 2016  Igalia S.L.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Igalia Author(s): Frédéric Wang
+ */
+
+#include "hb-open-type-private.hh"
+
+#include "hb-ot-layout-math-table.hh"
+
+HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
+
+static inline const OT::MATH&
+_get_math (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::MATH);
+
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+
+retry:
+  const OT::MATH *math = (const OT::MATH *) hb_atomic_ptr_get (&layout->math);
+
+  if (unlikely (!math))
+  {
+    hb_blob_t *blob = OT::Sanitizer<OT::MATH>::sanitize (face->reference_table (HB_OT_TAG_MATH));
+    math = OT::Sanitizer<OT::MATH>::lock_instance (blob);
+    if (!hb_atomic_ptr_cmpexch (&layout->math, NULL, math))
+    {
+      hb_blob_destroy (blob);
+      goto retry;
+    }
+    layout->math_blob = blob;
+  }
+
+  return *math;
+}
+
+/*
+ * OT::MATH
+ */
+
+/**
+ * hb_ot_math_has_data:
+ * @face: #hb_face_t to test
+ *
+ * This function allows to verify the presence of an OpenType MATH table on the
+ * face. If so, such a table will be loaded into memory and sanitized. You can
+ * then safely call other functions for math layout and shaping.
+ *
+ * Return value: #TRUE if face has a MATH table and #FALSE otherwise
+ *
+ * Since: 1.3.3
+ **/
+hb_bool_t
+hb_ot_math_has_data (hb_face_t *face)
+{
+  return &_get_math (face) != &OT::Null(OT::MATH);
+}
+
+/**
+ * hb_ot_math_get_constant:
+ * @font: #hb_font_t from which to retrieve the value
+ * @constant: #hb_ot_math_constant_t the constant to retrieve
+ *
+ * This function returns the requested math constants as a #hb_position_t.
+ * If the request constant is HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN,
+ * HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN or
+ * HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN then the return value is
+ * actually an integer between 0 and 100 representing that percentage.
+ *
+ * Return value: the requested constant or 0
+ *
+ * Since: 1.3.3
+ **/
+hb_position_t
+hb_ot_math_get_constant (hb_font_t *font,
+			 hb_ot_math_constant_t constant)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return math.get_constant(constant, font);
+}
+
+/**
+ * hb_ot_math_get_glyph_italics_correction:
+ * @font: #hb_font_t from which to retrieve the value
+ * @glyph: glyph index from which to retrieve the value
+ *
+ * Return value: the italics correction of the glyph or 0
+ *
+ * Since: 1.3.3
+ **/
+hb_position_t
+hb_ot_math_get_glyph_italics_correction (hb_font_t *font,
+					 hb_codepoint_t glyph)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return math.get_math_glyph_info().get_italics_correction (glyph, font);
+}
+
+/**
+ * hb_ot_math_get_glyph_top_accent_attachment:
+ * @font: #hb_font_t from which to retrieve the value
+ * @glyph: glyph index from which to retrieve the value
+ *
+ * Return value: the top accent attachment of the glyph or 0
+ *
+ * Since: 1.3.3
+ **/
+hb_position_t
+hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
+					    hb_codepoint_t glyph)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return math.get_math_glyph_info().get_top_accent_attachment (glyph, font);
+}
+
+/**
+ * hb_ot_math_is_glyph_extended_shape:
+ * @font: a #hb_font_t to test
+ * @glyph: a glyph index to test
+ *
+ * Return value: #TRUE if the glyph is an extended shape and #FALSE otherwise
+ *
+ * Since: 1.3.3
+ **/
+hb_bool_t
+hb_ot_math_is_glyph_extended_shape (hb_face_t *face,
+				    hb_codepoint_t glyph)
+{
+  const OT::MATH &math = _get_math (face);
+  return math.get_math_glyph_info().is_extended_shape (glyph);
+}
+
+/**
+ * hb_ot_math_get_glyph_kerning:
+ * @font: #hb_font_t from which to retrieve the value
+ * @glyph: glyph index from which to retrieve the value
+ * @kern: the #hb_ot_math_kern_t from which to retrieve the value
+ * @correction_height: the correction height to use to determine the kerning.
+ *
+ * This function tries to retrieve the MathKern table for the specified font,
+ * glyph and #hb_ot_math_kern_t. Then it browses the list of heights from the
+ * MathKern table to find one value that is greater or equal to specified
+ * correction_height. If one is found the corresponding value from the list of
+ * kerns is returned and otherwise the last kern value is returned.
+ *
+ * Return value: requested kerning or 0
+ *
+ * Since: 1.3.3
+ **/
+hb_position_t
+hb_ot_math_get_glyph_kerning (hb_font_t *font,
+			      hb_codepoint_t glyph,
+			      hb_ot_math_kern_t kern,
+			      hb_position_t correction_height)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return math.get_math_glyph_info().get_kerning (glyph, kern, correction_height, font);
+}
+
+/**
+ * hb_ot_math_get_glyph_variants:
+ * @font: #hb_font_t from which to retrieve the values
+ * @glyph: index of the glyph to stretch
+ * @direction: direction of the stretching
+ * @start_offset: offset of the first variant to retrieve
+ * @variants_count: maximum number of variants to retrieve after start_offset
+ * (IN) and actual number of variants retrieved (OUT)
+ * @variants: array of size at least @variants_count to store the result
+ *
+ * This function tries to retrieve the MathGlyphConstruction for the specified
+ * font, glyph and direction. Note that only the value of
+ * #HB_DIRECTION_IS_HORIZONTAL is considered. It provides the corresponding list
+ * of size variants as an array of hb_ot_math_glyph_variant_t structs.
+ *
+ * Return value: the total number of size variants available or 0
+ *
+ * Since: 1.3.3
+ **/
+unsigned int
+hb_ot_math_get_glyph_variants (hb_font_t *font,
+			       hb_codepoint_t glyph,
+			       hb_direction_t direction,
+			       unsigned int start_offset,
+			       unsigned int *variants_count, /* IN/OUT */
+			       hb_ot_math_glyph_variant_t *variants /* OUT */)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return math.get_math_variants().get_glyph_variants (glyph, direction, font,
+						      start_offset,
+						      variants_count,
+						      variants);
+}
+
+/**
+ * hb_ot_math_get_min_connector_overlap:
+ * @font: #hb_font_t from which to retrieve the value
+ * @direction: direction of the stretching
+ *
+ * This function tries to retrieve the MathVariants table for the specified
+ * font and returns the minimum overlap of connecting glyphs to draw a glyph
+ * assembly in the specified direction. Note that only the value of
+ * #HB_DIRECTION_IS_HORIZONTAL is considered.
+ *
+ * Return value: requested min connector overlap or 0
+ *
+ * Since: 1.3.3
+ **/
+hb_position_t
+hb_ot_math_get_min_connector_overlap (hb_font_t *font,
+				      hb_direction_t direction)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return math.get_math_variants().get_min_connector_overlap (direction, font);
+}
+
+/**
+ * hb_ot_math_get_glyph_assembly:
+ * @font: #hb_font_t from which to retrieve the values
+ * @glyph: index of the glyph to stretch
+ * @direction: direction of the stretching
+ * @start_offset: offset of the first glyph part to retrieve
+ * @parts_count: maximum number of glyph parts to retrieve after start_offset
+ * (IN) and actual number of parts retrieved (OUT)
+ * @parts: array of size at least @parts_count to store the result
+ * @italics_correction: italic correction of the glyph assembly
+ *
+ * This function tries to retrieve the GlyphAssembly for the specified font,
+ * glyph and direction. Note that only the value of #HB_DIRECTION_IS_HORIZONTAL
+ * is considered. It provides the information necessary to draw the glyph
+ * assembly as an array of #hb_ot_math_glyph_part_t.
+ *
+ * Return value: the total number of parts in the glyph assembly
+ *
+ * Since: 1.3.3
+ **/
+unsigned int
+hb_ot_math_get_glyph_assembly (hb_font_t *font,
+			       hb_codepoint_t glyph,
+			       hb_direction_t direction,
+			       unsigned int start_offset,
+			       unsigned int *parts_count, /* IN/OUT */
+			       hb_ot_math_glyph_part_t *parts, /* OUT */
+			       hb_position_t *italics_correction /* OUT */)
+{
+  const OT::MATH &math = _get_math (font->face);
+  return math.get_math_variants().get_glyph_parts (glyph, direction, font,
+						   start_offset,
+						   parts_count,
+						   parts,
+						   italics_correction);
+}

From f3397069479cae34e6bdc658e2875fb178b03e43 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 5 Jan 2017 01:27:49 -0800
Subject: [PATCH 0175/1326] 1.4.0

---
 NEWS         | 34 ++++++++++++++++++++++++++++++++++
 configure.ac |  2 +-
 2 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index fb84c888a..6f733af25 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,37 @@
+Overview of changes leading to 1.4.0
+Thursday, January 5, 2017
+====================================
+
+- Merged "OpenType GX" branch which adds core of support for
+  OpenType 1.8 Font Variations.  To that extent, the relevant
+  new API is:
+
+New API:
+hb_font_set_var_coords_normalized()
+
+  with supporting API:
+
+New API:
+HB_OT_LAYOUT_NO_VARIATIONS_INDEX
+hb_ot_layout_table_find_feature_variations()
+hb_ot_layout_feature_with_variations_get_lookups()
+hb_shape_plan_create2()
+hb_shape_plan_create_cached2()
+
+  Currently variations in GSUB/GPOS/GDEF are fully supported,
+  and no other tables are supported.  In particular, fvar/avar
+  are NOT supported, hence the hb_font_set_var_coords_normalized()
+  taking normalized coordinates.  API to take design coordinates
+  will be added in the future.
+
+  HVAR/VVAR/MVAR support will also be added to hb-ot-font in the
+  future.
+
+- Fix regression in GDEF glyph class processing.
+- Add decompositions for Chakma, Limbu, and Balinese in USE shaper.
+- Misc fixes.
+
+
 Overview of changes leading to 1.3.4
 Monday, December 5, 2016
 ====================================
diff --git a/configure.ac b/configure.ac
index f985e1047..78869a99e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.3.4],
+        [1.4.0],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 53543f8b3e19456279c86f711feba42ce976668c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 5 Jan 2017 20:12:32 -0800
Subject: [PATCH 0176/1326] Ship UCDN and use it by default

So we are not relying on version of Unicode data in glib...

Fixes https://github.com/behdad/harfbuzz/issues/386
Fixes https://github.com/behdad/harfbuzz/issues/388
---
 configure.ac      | 12 ++++++++----
 src/hb-unicode.cc |  6 +++---
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/configure.ac b/configure.ac
index 78869a99e..5d18f8610 100644
--- a/configure.ac
+++ b/configure.ac
@@ -289,9 +289,13 @@ AM_CONDITIONAL(HAVE_ICU_BUILTIN, $have_icu && test "x$with_icu" = "xbuiltin")
 
 dnl ===========================================================================
 
-have_ucdn=true
-if $have_glib || test \( $have_icu -a "x$with_icu" = "xbuiltin" \); then
-	have_ucdn=false
+AC_ARG_WITH(ucdn,
+	[AS_HELP_STRING([--with-ucdn=@<:@yes/no@:>@],
+			[Use builtin UCDN library @<:@default=yes@:>@])],,
+	[with_ucdn=yes])
+have_ucdn=false
+if test "x$with_ucdn" = "xyes"; then
+	have_ucdn=true
 fi
 if $have_ucdn; then
 	AC_DEFINE(HAVE_UCDN, 1, [Have UCDN Unicode functions])
@@ -501,9 +505,9 @@ AC_MSG_NOTICE([
 Build configuration:
 
 Unicode callbacks (you want at least one):
+	Builtin (UCDN):		${have_ucdn}
 	Glib:			${have_glib}
 	ICU:			${have_icu}
-	UCDN:			${have_ucdn}
 
 Font callbacks (the more the better):
 	FreeType:		${have_freetype}
diff --git a/src/hb-unicode.cc b/src/hb-unicode.cc
index 487d10b93..d553a7172 100644
--- a/src/hb-unicode.cc
+++ b/src/hb-unicode.cc
@@ -131,12 +131,12 @@ hb_unicode_funcs_get_default (void)
 #define HB_UNICODE_FUNCS_IMPLEMENT(set) \
   return hb_##set##_get_unicode_funcs ();
 
-#ifdef HAVE_GLIB
+#if defined(HAVE_UCDN)
+  HB_UNICODE_FUNCS_IMPLEMENT(ucdn)
+#elif defined(HAVE_GLIB)
   HB_UNICODE_FUNCS_IMPLEMENT(glib)
 #elif defined(HAVE_ICU) && defined(HAVE_ICU_BUILTIN)
   HB_UNICODE_FUNCS_IMPLEMENT(icu)
-#elif defined(HAVE_UCDN)
-  HB_UNICODE_FUNCS_IMPLEMENT(ucdn)
 #else
 #define HB_UNICODE_FUNCS_NIL 1
   HB_UNICODE_FUNCS_IMPLEMENT(nil)

From 31f7b1bb94c2cef7ce58df52ddd1b09b42e8f596 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 5 Jan 2017 20:20:06 -0800
Subject: [PATCH 0177/1326] Add tests for USE using Marchen font and text

From http://www.babelstone.co.uk/Fonts/Marchen.html
---
 test/shaping/Makefile.am                      |   1 +
 ...414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf | Bin 0 -> 66936 bytes
 test/shaping/tests/use-marchen.tests          |  35 ++++++++++++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf
 create mode 100644 test/shaping/tests/use-marchen.tests

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 57369fd5b..f2bb95bdd 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -62,6 +62,7 @@ TESTS = \
 	tests/spaces.tests \
 	tests/simple.tests \
 	tests/use.tests \
+	tests/use-marchen.tests \
 	tests/vertical.tests \
 	tests/zero-width-marks.tests \
 	$(NULL)
diff --git a/test/shaping/fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf b/test/shaping/fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf
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diff --git a/test/shaping/tests/use-marchen.tests b/test/shaping/tests/use-marchen.tests
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+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C8A,U+11CA1,U+11CA9,U+11C71:[u11C8A.11CA1.11CA9=0+3000|u11C71=3+1600]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C8D,U+11CA1,U+11CA9,U+11C71:[u11C8D.11CA1.11CA9=0+3000|u11C71=3+1600]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C8D,U+11CA1,U+11CAA,U+11C71:[u11C8D.11CA1.11CAA=0+2400|u11C71=3+1600]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C8F,U+11CB0,U+11CB4,U+11CB6:[u11C8F.11CB0.11CB4=0+3600|u11CB6=0@-3200,0+0]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C8E,U+11CB0,U+11CB2,U+11CB5:[u11C8E.11CB0.11CB2=0+2000|u11CB5=0@-2000,0+0]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C74,U+11C89,U+11CB2,U+11C75:[u11C74=0+2000|u11C89.11CB2=1+2000|u11C75=3+2000]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C7C,U+11CAA,U+11CB2,U+11C75:[u11C7C.11CAA.11CB2=0+2200|u11C75=3+2000]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C81,U+11C74,U+11CB2,U+11C8B:[u11C81=0+2400|u11C74.11CB2=1+2000|u11C8B=3+2400]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C8B,U+11CB3,U+11C74,U+11C8D:[u11C8B.11CB3=0+2400|u11C74=2+2000|u11C8D=3+2000]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C83,U+11CB4,U+11C74,U+11C8D:[u11C83.11CB4=0+2800|u11C74=2+2000|u11C8D=3+2000]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C8B,U+11CB3,U+11C74,U+11C8D,U+11C71:[u11C8B.11CB3=0+2400|u11C74=2+2000|u11C8D=3+2000|u11C71=4+1600]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C80,U+11C76,U+11CB1,U+11C75,U+11C8D:[u11C80=0+2400|u11C76.11CB1=1+3200|u11C75=3+2000|u11C8D=4+2000]
+fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf::U+11C80,U+11C8D,U+11C94,U+11CAA,U+11CB1,U+11C74,U+11C8D:[u11C80=0+2400|u11C8D.11C94.11CAA.11CB1.shorti=1+2600|u11C74=5+2000|u11C8D=6+2000]

From af596a5655ee2ed09da17a7de79f619e1547dcd9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 5 Jan 2017 20:24:41 -0800
Subject: [PATCH 0178/1326] 1.4.1

---
 NEWS         | 10 ++++++++++
 configure.ac |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 6f733af25..8c3ef117d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Overview of changes leading to 1.4.1
+Thursday, January 5, 2017
+====================================
+
+- Always build and use UCDN for Unicode data by default.
+  Reduces dependence on version of Unicode data in glib,
+  specially in the Windows bundles we are shipping, which
+  have very old glib.
+
+
 Overview of changes leading to 1.4.0
 Thursday, January 5, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 5d18f8610..32dcf18ed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.0],
+        [1.4.1],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 1b00a3b0488a5d1c6ede141ae0545e2eb9af0ed8 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Sun, 30 Oct 2016 20:16:41 +0200
Subject: [PATCH 0179/1326] [graphite] Fix shaping with varying font sizes

Shape using design units and scale the output.

See https://bugs.documentfoundation.org/show_bug.cgi?id=103403#c7
---
 src/hb-graphite2.cc | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index a2d90db87..dc87795c0 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -164,9 +164,10 @@ _hb_graphite2_shaper_font_data_create (hb_font_t *font)
   if (unlikely (!hb_graphite2_shaper_face_data_ensure (font->face))) return NULL;
 
   hb_face_t *face = font->face;
+  unsigned int upem = hb_face_get_upem (face);
   hb_graphite2_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
 
-  return gr_make_font_with_advance_fn (font->x_scale, font, &hb_graphite2_get_advance, face_data->grface);
+  return gr_make_font_with_advance_fn (upem, font, &hb_graphite2_get_advance, face_data->grface);
 }
 
 void
@@ -230,7 +231,6 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
 {
   hb_face_t *face = font->face;
   gr_face *grface = HB_SHAPER_DATA_GET (face)->grface;
-  gr_font *grfont = HB_SHAPER_DATA_GET (font);
 
   const char *lang = hb_language_to_string (hb_buffer_get_language (buffer));
   const char *lang_end = lang ? strchr (lang, '-') : NULL;
@@ -262,7 +262,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   hb_tag_t script_tag[2];
   hb_ot_tags_from_script (hb_buffer_get_script (buffer), &script_tag[0], &script_tag[1]);
 
-  seg = gr_make_seg (grfont, grface,
+  seg = gr_make_seg (NULL, grface,
 		     script_tag[1] == HB_TAG_NONE ? script_tag[0] : script_tag[1],
 		     feats,
 		     gr_utf32, chars, buffer->len,
@@ -373,7 +373,10 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   }
   buffer->len = glyph_count;
 
-  float yscale = font->y_scale / font->x_scale;
+  unsigned int upem = hb_face_get_upem (face);
+  float xscale = (float) font->x_scale / upem;
+  float yscale = (float) font->y_scale / upem;
+  yscale *= yscale / xscale;
   /* Positioning. */
   if (!HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
   {
@@ -383,16 +386,16 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
     curradvx = 0;
     for (is = gr_seg_first_slot (seg); is; pPos++, ++info, is = gr_slot_next_in_segment (is))
     {
-      pPos->x_offset = gr_slot_origin_X (is) - curradvx;
+      pPos->x_offset = gr_slot_origin_X (is) * xscale - curradvx;
       pPos->y_offset = gr_slot_origin_Y (is) * yscale - curradvy;
       if (info->cluster != currclus) {
-        pPos->x_advance = info->var1.i32;
+        pPos->x_advance = info->var1.i32 * xscale;
         curradvx += pPos->x_advance;
         currclus = info->cluster;
       } else
         pPos->x_advance = 0.;
 
-      pPos->y_advance = gr_slot_advance_Y (is, grface, grfont) * yscale;
+      pPos->y_advance = gr_slot_advance_Y (is, grface, NULL) * yscale;
       curradvy += pPos->y_advance;
     }
   }
@@ -401,20 +404,20 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
     int currclus = -1;
     const hb_glyph_info_t *info = buffer->info;
     hb_glyph_position_t *pPos = hb_buffer_get_glyph_positions (buffer, NULL);
-    curradvx = gr_seg_advance_X(seg);
+    curradvx = gr_seg_advance_X(seg) * xscale;
     for (is = gr_seg_first_slot (seg); is; pPos++, info++, is = gr_slot_next_in_segment (is))
     {
       if (info->cluster != currclus)
       {
-        pPos->x_advance = info->var1.i32;
-        if (currclus != -1) curradvx -= info[-1].var1.i32;
+        pPos->x_advance = info->var1.i32 * xscale;
+        if (currclus != -1) curradvx -= info[-1].var1.i32 * xscale;
         currclus = info->cluster;
       } else
       pPos->x_advance = 0.;
 
-      pPos->y_advance = gr_slot_advance_Y (is, grface, grfont) * yscale;
+      pPos->y_advance = gr_slot_advance_Y (is, grface, NULL) * yscale;
       curradvy -= pPos->y_advance;
-      pPos->x_offset = gr_slot_origin_X (is) - curradvx + pPos->x_advance;
+      pPos->x_offset = gr_slot_origin_X (is) * xscale - curradvx + pPos->x_advance;
       pPos->y_offset = gr_slot_origin_Y (is) * yscale - curradvy;
     }
     hb_buffer_reverse_clusters (buffer);

From b435c7c46a46350771e837e87fee448fd9dc06d3 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Fri, 11 Nov 2016 02:16:39 +0200
Subject: [PATCH 0180/1326] [graphite] Stop creating unused gr_face

It is unused after previous commit, hb_graphite2_font_get_gr_font()
makes no sense now so deprecating it.
---
 src/hb-graphite2.cc | 22 +++++-----------------
 src/hb-graphite2.h  |  4 ++++
 2 files changed, 9 insertions(+), 17 deletions(-)

diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index dc87795c0..f253a5f72 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -27,7 +27,6 @@
  */
 
 #define HB_SHAPER graphite2
-#define hb_graphite2_shaper_font_data_t gr_font
 #include "hb-shaper-impl-private.hh"
 
 #include "hb-graphite2.h"
@@ -153,27 +152,17 @@ hb_graphite2_face_get_gr_face (hb_face_t *face)
  * shaper font data
  */
 
-static float hb_graphite2_get_advance (const void *hb_font, unsigned short gid)
-{
-  return ((hb_font_t *) hb_font)->get_glyph_h_advance (gid);
-}
+struct hb_graphite2_shaper_font_data_t {};
 
 hb_graphite2_shaper_font_data_t *
-_hb_graphite2_shaper_font_data_create (hb_font_t *font)
+_hb_graphite2_shaper_font_data_create (hb_font_t *font HB_UNUSED)
 {
-  if (unlikely (!hb_graphite2_shaper_face_data_ensure (font->face))) return NULL;
-
-  hb_face_t *face = font->face;
-  unsigned int upem = hb_face_get_upem (face);
-  hb_graphite2_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
-
-  return gr_make_font_with_advance_fn (upem, font, &hb_graphite2_get_advance, face_data->grface);
+  return (hb_graphite2_shaper_font_data_t *) HB_SHAPER_DATA_SUCCEEDED;
 }
 
 void
-_hb_graphite2_shaper_font_data_destroy (hb_graphite2_shaper_font_data_t *data)
+_hb_graphite2_shaper_font_data_destroy (hb_graphite2_shaper_font_data_t *data HB_UNUSED)
 {
-  gr_font_destroy (data);
 }
 
 /*
@@ -182,8 +171,7 @@ _hb_graphite2_shaper_font_data_destroy (hb_graphite2_shaper_font_data_t *data)
 gr_font *
 hb_graphite2_font_get_gr_font (hb_font_t *font)
 {
-  if (unlikely (!hb_graphite2_shaper_font_data_ensure (font))) return NULL;
-  return HB_SHAPER_DATA_GET (font);
+  return NULL;
 }
 
 
diff --git a/src/hb-graphite2.h b/src/hb-graphite2.h
index 122c3e476..82b1e64cd 100644
--- a/src/hb-graphite2.h
+++ b/src/hb-graphite2.h
@@ -39,9 +39,13 @@ HB_BEGIN_DECLS
 HB_EXTERN gr_face *
 hb_graphite2_face_get_gr_face (hb_face_t *face);
 
+#ifndef HB_DISABLE_DEPRECATED
+
 HB_EXTERN gr_font *
 hb_graphite2_font_get_gr_font (hb_font_t *font);
 
+#endif
+
 
 HB_END_DECLS
 

From 7cf9952e7fc015d0b08d3de6c95357662d57ad8d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 8 Jan 2017 23:55:54 -0800
Subject: [PATCH 0181/1326] [USE] Remove non-canonical decompositions

We have had added this in Indic shaper to assist shaping these scripts.
In Universal Shaping Engine however, it is up to font designer to
decompose them.  Hence moving them from Indic shaper to USE was
wrong.

Fixup for f6ba63b2e8eb577385f70758efdd3b8408c8a9cb

Part of fixing https://github.com/behdad/harfbuzz/issues/387
---
 src/hb-ot-shape-complex-use.cc | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index 5b19d5d74..af6870686 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -572,28 +572,6 @@ decompose_use (const hb_ot_shape_normalize_context_t *c,
      */
     case 0x1112Eu : *a = 0x11127u; *b= 0x11131u; return true;
     case 0x1112Fu : *a = 0x11127u; *b= 0x11132u; return true;
-
-    /*
-     * Decompose split matras that don't have Unicode decompositions.
-     */
-
-    /* Limbu */
-    case 0x1925u  : *a = 0x1920u; *b= 0x1923u; return true;
-    case 0x1926u  : *a = 0x1920u; *b= 0x1924u; return true;
-
-    /* Balinese */
-    case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
-
-#if 0
-    /* Lepcha */
-    case 0x1C29u  : *a = no decomp, -> LEFT; return true;
-
-    /* Javanese */
-    case 0xA9C0u  : *a = no decomp, -> RIGHT; return true;
-
-    /* Sharada */
-    case 0x111BFu  : *a = no decomp, -> ABOVE; return true;
-#endif
   }
 
   return (bool) c->unicode->decompose (ab, a, b);

From 00adf9c8a4573a2b3ef61991197821af03bca310 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 9 Jan 2017 00:00:49 -0800
Subject: [PATCH 0182/1326] Minor

Should be enough to get -hangul.cc out of SOURCES in Firefox build:
https://dxr.mozilla.org/mozilla-central/source/gfx/harfbuzz/src/moz.build

No one else should care!
---
 src/hb-ot-shape-complex-hangul.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index eb95a28c0..af5056522 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -32,7 +32,7 @@
 
 /* Same order as the feature array below */
 enum {
-  NONE,
+  _JMO,
 
   LJMO,
   VJMO,

From ebf927d3d4394159e480fec2042a0456df8dd0f4 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Mon, 9 Jan 2017 13:12:09 +0330
Subject: [PATCH 0183/1326] Make UCDN default enabled (fixes #389) (#391)

---
 win32/config-msvc.mak | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index ecbbe92fd..4cffaeacc 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -184,9 +184,10 @@ HB_CFLAGS =	$(HB_CFLAGS) /DU_HAVE_INT8_T
 HB_SOURCES = $(HB_SOURCES) $(HB_ICU_sources)
 HB_HEADERS = $(HB_HEADERS) $(HB_ICU_headers)
 HB_DEP_LIBS = $(HB_DEP_LIBS) $(HB_ICU_DEP_LIBS)
-!else
-# If there is no GLib support, use the built-in UCDN
-# and define some of the macros in GLib's msvc_recommended_pragmas.h
+!endif
+
+!if "$(UCDN)" != "0"
+# Define some of the macros in GLib's msvc_recommended_pragmas.h
 # to reduce some unneeded build-time warnings
 HB_DEFINES = $(HB_DEFINES) /DHAVE_UCDN=1
 HB_CFLAGS =	\

From 3b5263b0e9e23e56e14ce6a8498c21c5ce95cc35 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 9 Jan 2017 15:49:08 -0800
Subject: [PATCH 0184/1326] Typo

---
 src/hb-ot-layout-math-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-layout-math-table.hh
index b52b1215d..7d1adf337 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-layout-math-table.hh
@@ -716,7 +716,7 @@ struct MATH
   DEFINE_SIZE_STATIC (10);
 };
 
-} /* mathspace OT */
+} /* namespace OT */
 
 
 #endif /* HB_OT_LAYOUT_MATH_TABLE_HH */

From 93ef684b9bc411b7642df3adeb2248ad6010ee66 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 9 Jan 2017 21:11:00 -0800
Subject: [PATCH 0185/1326] Rename hb-ot-layout-math-table.hh to
 hb-ot-math-table.hh

---
 src/Makefile.sources                                    | 2 +-
 src/{hb-ot-layout-math-table.hh => hb-ot-math-table.hh} | 6 +++---
 src/hb-ot-math.cc                                       | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)
 rename src/{hb-ot-layout-math-table.hh => hb-ot-math-table.hh} (99%)

diff --git a/src/Makefile.sources b/src/Makefile.sources
index e72759842..b75ec0cbd 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -76,11 +76,11 @@ HB_OT_sources = \
 	hb-ot-layout-gsubgpos-private.hh \
 	hb-ot-layout-gsub-table.hh \
 	hb-ot-layout-jstf-table.hh \
-	hb-ot-layout-math-table.hh \
 	hb-ot-layout-private.hh \
 	hb-ot-map.cc \
 	hb-ot-map-private.hh \
 	hb-ot-math.cc \
+	hb-ot-math-table.hh \
 	hb-ot-shape.cc \
 	hb-ot-shape-complex-arabic.cc \
 	hb-ot-shape-complex-arabic-fallback.hh \
diff --git a/src/hb-ot-layout-math-table.hh b/src/hb-ot-math-table.hh
similarity index 99%
rename from src/hb-ot-layout-math-table.hh
rename to src/hb-ot-math-table.hh
index 7d1adf337..191d79e98 100644
--- a/src/hb-ot-layout-math-table.hh
+++ b/src/hb-ot-math-table.hh
@@ -24,8 +24,8 @@
  * Igalia Author(s): Frédéric Wang
  */
 
-#ifndef HB_OT_LAYOUT_MATH_TABLE_HH
-#define HB_OT_LAYOUT_MATH_TABLE_HH
+#ifndef HB_OT_MATH_TABLE_HH
+#define HB_OT_MATH_TABLE_HH
 
 #include "hb-open-type-private.hh"
 #include "hb-ot-layout-common-private.hh"
@@ -719,4 +719,4 @@ struct MATH
 } /* namespace OT */
 
 
-#endif /* HB_OT_LAYOUT_MATH_TABLE_HH */
+#endif /* HB_OT_MATH_TABLE_HH */
diff --git a/src/hb-ot-math.cc b/src/hb-ot-math.cc
index 9ef21d299..3028cc494 100644
--- a/src/hb-ot-math.cc
+++ b/src/hb-ot-math.cc
@@ -26,7 +26,7 @@
 
 #include "hb-open-type-private.hh"
 
-#include "hb-ot-layout-math-table.hh"
+#include "hb-ot-math-table.hh"
 
 HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
 

From 29fb0cb727555ea60460d794a3c6f30179546af9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 9 Jan 2017 21:18:55 -0800
Subject: [PATCH 0186/1326] Minor

---
 src/hb-face-private.hh | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/hb-face-private.hh b/src/hb-face-private.hh
index c4266fff4..43e7b1cb3 100644
--- a/src/hb-face-private.hh
+++ b/src/hb-face-private.hh
@@ -50,12 +50,16 @@ struct hb_face_t {
   void                      *user_data;
   hb_destroy_func_t          destroy;
 
-  unsigned int index;
-  mutable unsigned int upem;
-  mutable unsigned int num_glyphs;
+  unsigned int index;			/* Face index in a collection, zero-based. */
+  mutable unsigned int upem;		/* Units-per-EM. */
+  mutable unsigned int num_glyphs;	/* Number of glyphs. */
 
-  struct hb_shaper_data_t shaper_data;
+  struct hb_shaper_data_t shaper_data;	/* Various shaper data. */
 
+  /* Various non-shaping data. */
+  /* ... */
+
+  /* Cache */
   struct plan_node_t {
     hb_shape_plan_t *shape_plan;
     plan_node_t *next;

From ac274331c285e1b42632870e150e1d66a9e21933 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 9 Jan 2017 22:20:38 -0800
Subject: [PATCH 0187/1326] In lazy-loading, remember allocation failure

---
 src/hb-ot-font.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 5be055d34..c2431364d 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -447,11 +447,13 @@ struct hb_lazy_loader_t
     {
       p = (T *) calloc (1, sizeof (T));
       if (unlikely (!p))
-        return &OT::Null(T);
-      p->init (face);
+        p = const_cast<T *> (&OT::Null(T));
+      else
+	p->init (face);
       if (unlikely (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), NULL, p)))
       {
-	p->fini ();
+	if (p != &OT::Null(T))
+	  p->fini ();
 	goto retry;
       }
     }

From 1af9d924a474f210fda10b5e8ab6b388241aa0b5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 9 Jan 2017 22:22:37 -0800
Subject: [PATCH 0188/1326] Move lazy-loader to more generic place

---
 src/hb-open-type-private.hh | 47 ++++++++++++++++++++++++++++++++++++
 src/hb-ot-font.cc           | 48 ++-----------------------------------
 2 files changed, 49 insertions(+), 46 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 2cc1fb20d..a8756d466 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1061,6 +1061,53 @@ struct SortedArrayOf : ArrayOf<Type, LenType>
 };
 
 
+/* Lazy struct and blob loaders. */
+
+template <typename T>
+struct hb_lazy_loader_t
+{
+  inline void init (hb_face_t *face_)
+  {
+    face = face_;
+    instance = NULL;
+  }
+
+  inline void fini (void)
+  {
+    if (instance && instance != &OT::Null(T))
+    {
+      instance->fini();
+      free (instance);
+    }
+  }
+
+  inline const T* operator-> (void) const
+  {
+  retry:
+    T *p = (T *) hb_atomic_ptr_get (&instance);
+    if (unlikely (!p))
+    {
+      p = (T *) calloc (1, sizeof (T));
+      if (unlikely (!p))
+        p = const_cast<T *> (&OT::Null(T));
+      else
+	p->init (face);
+      if (unlikely (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), NULL, p)))
+      {
+	if (p != &OT::Null(T))
+	  p->fini ();
+	goto retry;
+      }
+    }
+    return p;
+  }
+
+  private:
+  hb_face_t *face;
+  T *instance;
+};
+
+
 } /* namespace OT */
 
 
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index c2431364d..c4ec612c8 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -421,57 +421,13 @@ struct hb_ot_face_cmap_accelerator_t
   }
 };
 
-template <typename T>
-struct hb_lazy_loader_t
-{
-  inline void init (hb_face_t *face_)
-  {
-    face = face_;
-    instance = NULL;
-  }
-
-  inline void fini (void)
-  {
-    if (instance && instance != &OT::Null(T))
-    {
-      instance->fini();
-      free (instance);
-    }
-  }
-
-  inline const T* operator-> (void) const
-  {
-  retry:
-    T *p = (T *) hb_atomic_ptr_get (&instance);
-    if (unlikely (!p))
-    {
-      p = (T *) calloc (1, sizeof (T));
-      if (unlikely (!p))
-        p = const_cast<T *> (&OT::Null(T));
-      else
-	p->init (face);
-      if (unlikely (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), NULL, p)))
-      {
-	if (p != &OT::Null(T))
-	  p->fini ();
-	goto retry;
-      }
-    }
-    return p;
-  }
-
-  private:
-  hb_face_t *face;
-  T *instance;
-};
-
 struct hb_ot_font_t
 {
   hb_ot_face_cmap_accelerator_t cmap;
   hb_ot_face_metrics_accelerator_t h_metrics;
   hb_ot_face_metrics_accelerator_t v_metrics;
-  hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
-  hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
+  OT::hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
+  OT::hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
 };
 
 

From ebbcc1112229cde9ed469efdfeac7ef79dfcd834 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 9 Jan 2017 22:45:25 -0800
Subject: [PATCH 0189/1326] Add hb_lazy_table_loader_t

---
 src/hb-open-type-private.hh | 40 +++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index a8756d466..6ee4fae9e 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -30,6 +30,7 @@
 #define HB_OPEN_TYPE_PRIVATE_HH
 
 #include "hb-private.hh"
+#include "hb-face-private.hh"
 
 
 namespace OT {
@@ -1107,6 +1108,45 @@ struct hb_lazy_loader_t
   T *instance;
 };
 
+template <typename T>
+struct hb_lazy_table_loader_t
+{
+  inline void init (hb_face_t *face_)
+  {
+    face = face_;
+    instance = NULL;
+    blob = NULL;
+  }
+
+  inline void fini (void)
+  {
+    hb_blob_destroy (blob);
+  }
+
+  inline const T* operator-> (void) const
+  {
+  retry:
+    T *p = (T *) hb_atomic_ptr_get (&instance);
+    if (unlikely (!p))
+    {
+      hb_blob_t *blob_ = OT::Sanitizer<T>::sanitize (face->reference_table (T::tableTag));
+      p = OT::Sanitizer<T>::lock_instance (blob);
+      if (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), NULL, p))
+      {
+	hb_blob_destroy (blob_);
+	goto retry;
+      }
+      blob = blob_;
+    }
+    return p;
+  }
+
+  private:
+  hb_face_t *face;
+  T *instance;
+  hb_blob_t *blob;
+};
+
 
 } /* namespace OT */
 

From 1f810daf1640f279c2f7aad8c312664cf2293987 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 9 Jan 2017 23:50:56 -0800
Subject: [PATCH 0190/1326] Port math table to hb_lazy_table_loader_t

---
 src/hb-open-type-private.hh | 22 +++++++++++++++++-----
 src/hb-ot-layout-private.hh |  4 ++--
 src/hb-ot-layout.cc         |  7 +++----
 src/hb-ot-math.cc           | 17 +----------------
 4 files changed, 23 insertions(+), 27 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 6ee4fae9e..e0d5fae6f 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1064,6 +1064,7 @@ struct SortedArrayOf : ArrayOf<Type, LenType>
 
 /* Lazy struct and blob loaders. */
 
+/* Logic is shared between hb_lazy_loader_t and hb_lazy_table_loader_t */
 template <typename T>
 struct hb_lazy_loader_t
 {
@@ -1082,7 +1083,7 @@ struct hb_lazy_loader_t
     }
   }
 
-  inline const T* operator-> (void) const
+  inline const T* get (void) const
   {
   retry:
     T *p = (T *) hb_atomic_ptr_get (&instance);
@@ -1103,11 +1104,17 @@ struct hb_lazy_loader_t
     return p;
   }
 
+  inline const T* operator-> (void) const
+  {
+    return get ();
+  }
+
   private:
   hb_face_t *face;
   T *instance;
 };
 
+/* Logic is shared between hb_lazy_loader_t and hb_lazy_table_loader_t */
 template <typename T>
 struct hb_lazy_table_loader_t
 {
@@ -1123,14 +1130,14 @@ struct hb_lazy_table_loader_t
     hb_blob_destroy (blob);
   }
 
-  inline const T* operator-> (void) const
+  inline const T* get (void) const
   {
   retry:
-    T *p = (T *) hb_atomic_ptr_get (&instance);
+    const T *p = (T *) hb_atomic_ptr_get (&instance);
     if (unlikely (!p))
     {
       hb_blob_t *blob_ = OT::Sanitizer<T>::sanitize (face->reference_table (T::tableTag));
-      p = OT::Sanitizer<T>::lock_instance (blob);
+      p = OT::Sanitizer<T>::lock_instance (blob_);
       if (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), NULL, p))
       {
 	hb_blob_destroy (blob_);
@@ -1141,10 +1148,15 @@ struct hb_lazy_table_loader_t
     return p;
   }
 
+  inline const T* operator-> (void) const
+  {
+    return get();
+  }
+
   private:
   hb_face_t *face;
   T *instance;
-  hb_blob_t *blob;
+  mutable hb_blob_t *blob;
 };
 
 
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index a4272de63..1c398e9bd 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -34,6 +34,7 @@
 #include "hb-font-private.hh"
 #include "hb-buffer-private.hh"
 #include "hb-set-private.hh"
+#include "hb-open-type-private.hh"
 
 
 /* Private API corresponding to hb-ot-layout.h: */
@@ -153,12 +154,11 @@ struct hb_ot_layout_t
   hb_blob_t *gdef_blob;
   hb_blob_t *gsub_blob;
   hb_blob_t *gpos_blob;
-  hb_blob_t *math_blob;
 
   const struct OT::GDEF *gdef;
   const struct OT::GSUB *gsub;
   const struct OT::GPOS *gpos;
-  const struct OT::MATH *math;
+  OT::hb_lazy_table_loader_t<struct OT::MATH> math;
 
   unsigned int gsub_lookup_count;
   unsigned int gpos_lookup_count;
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 145ec7638..d1654025e 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -60,9 +60,7 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->gpos_blob = OT::Sanitizer<OT::GPOS>::sanitize (face->reference_table (HB_OT_TAG_GPOS));
   layout->gpos = OT::Sanitizer<OT::GPOS>::lock_instance (layout->gpos_blob);
 
-  /* The MATH table is rarely used, so only try and load it in _get_math. */
-  layout->math_blob = NULL;
-  layout->math = NULL;
+  layout->math.init (face);
 
   {
     /*
@@ -181,7 +179,8 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   hb_blob_destroy (layout->gdef_blob);
   hb_blob_destroy (layout->gsub_blob);
   hb_blob_destroy (layout->gpos_blob);
-  hb_blob_destroy (layout->math_blob);
+
+  layout->math.fini ();
 
   free (layout);
 }
diff --git a/src/hb-ot-math.cc b/src/hb-ot-math.cc
index 3028cc494..40414ebee 100644
--- a/src/hb-ot-math.cc
+++ b/src/hb-ot-math.cc
@@ -37,22 +37,7 @@ _get_math (hb_face_t *face)
 
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
 
-retry:
-  const OT::MATH *math = (const OT::MATH *) hb_atomic_ptr_get (&layout->math);
-
-  if (unlikely (!math))
-  {
-    hb_blob_t *blob = OT::Sanitizer<OT::MATH>::sanitize (face->reference_table (HB_OT_TAG_MATH));
-    math = OT::Sanitizer<OT::MATH>::lock_instance (blob);
-    if (!hb_atomic_ptr_cmpexch (&layout->math, NULL, math))
-    {
-      hb_blob_destroy (blob);
-      goto retry;
-    }
-    layout->math_blob = blob;
-  }
-
-  return *math;
+  return *(layout->math.get ());
 }
 
 /*

From 784d1180de19fbf4948f08ee2124277cc06066dd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Jan 2017 11:58:13 -0800
Subject: [PATCH 0191/1326] Fix build with clang

---
 src/hb-open-type-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index e0d5fae6f..8845e3eee 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1133,11 +1133,11 @@ struct hb_lazy_table_loader_t
   inline const T* get (void) const
   {
   retry:
-    const T *p = (T *) hb_atomic_ptr_get (&instance);
+    T *p = (T *) hb_atomic_ptr_get (&instance);
     if (unlikely (!p))
     {
       hb_blob_t *blob_ = OT::Sanitizer<T>::sanitize (face->reference_table (T::tableTag));
-      p = OT::Sanitizer<T>::lock_instance (blob_);
+      p = const_cast<T *>(OT::Sanitizer<T>::lock_instance (blob_));
       if (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), NULL, p))
       {
 	hb_blob_destroy (blob_);

From 1337428e4f8a2a4c78312c581bf4e96cd49d783f Mon Sep 17 00:00:00 2001
From: Sascha Brawer <sascha@brawer.ch>
Date: Wed, 18 Jan 2017 13:51:02 +0100
Subject: [PATCH 0192/1326] Update language tags to OpenType 1.8.1 (#403)

Resolves https://github.com/behdad/harfbuzz/issues/324
---
 src/hb-ot-tag.cc       | 77 +++++++++++++++++++++++++++++++++++++-----
 test/api/test-ot-tag.c | 58 +++++++++++++++++++++++++++++++
 2 files changed, 126 insertions(+), 9 deletions(-)

diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 5f21ac096..5c348e898 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -201,6 +201,7 @@ static const LangTag ot_languages[] = {
   {"alt",	HB_TAG('A','L','T',' ')},	/* [Southern] Altai */
   {"am",	HB_TAG('A','M','H',' ')},	/* Amharic */
   {"amf",	HB_TAG('H','B','N',' ')},	/* Hammer-Banna */
+  {"amw",	HB_TAG('S','Y','R',' ')},	/* Western Neo-Aramaic */
   {"an",	HB_TAG('A','R','G',' ')},	/* Aragonese */
   {"ang",	HB_TAG('A','N','G',' ')},	/* Old English (ca. 450-1100) */
   {"ar",	HB_TAG('A','R','A',' ')},	/* Arabic [macrolanguage] */
@@ -239,6 +240,7 @@ static const LangTag ot_languages[] = {
   {"bg",	HB_TAG('B','G','R',' ')},	/* Bulgarian */
   {"bgc",	HB_TAG('B','G','C',' ')},	/* Haryanvi */
   {"bgq",	HB_TAG('B','G','Q',' ')},	/* Bagri */
+  {"bgr",	HB_TAG('Q','I','N',' ')},	/* Bawm Chin */
   {"bhb",	HB_TAG('B','H','I',' ')},	/* Bhili */
   {"bhk",	HB_TAG('B','I','K',' ')},	/* Albay Bicolano (retired code) */
   {"bho",	HB_TAG('B','H','O',' ')},	/* Bhojpuri */
@@ -270,8 +272,10 @@ static const LangTag ot_languages[] = {
   {"ca",	HB_TAG('C','A','T',' ')},	/* Catalan */
   {"cak",	HB_TAG('C','A','K',' ')},	/* Kaqchikel */
   {"cbk",	HB_TAG('C','B','K',' ')},	/* Chavacano */
+  {"cbl",	HB_TAG('Q','I','N',' ')},	/* Bualkhaw Chin */
   {"ce",	HB_TAG('C','H','E',' ')},	/* Chechen */
   {"ceb",	HB_TAG('C','E','B',' ')},	/* Cebuano */
+  {"cfm",	HB_TAG('H','A','L',' ')},	/* Halam/Falam Chin */
   {"cgg",	HB_TAG('C','G','G',' ')},	/* Chiga */
   {"ch",	HB_TAG('C','H','A',' ')},	/* Chamorro */
   {"chk",	HB_TAG('C','H','K','0')},	/* Chuukese */
@@ -279,8 +283,17 @@ static const LangTag ot_languages[] = {
   {"chp",	HB_TAG('C','H','P',' ')},	/* Chipewyan */
   {"chr",	HB_TAG('C','H','R',' ')},	/* Cherokee */
   {"chy",	HB_TAG('C','H','Y',' ')},	/* Cheyenne */
+  {"cja",	HB_TAG('C','J','A',' ')},	/* Western Cham */
+  {"cjm",	HB_TAG('C','J','M',' ')},	/* Eastern Cham */
+  {"cka",	HB_TAG('Q','I','N',' ')},	/* Khumi Awa Chin */
   {"ckb",	HB_TAG('K','U','R',' ')},	/* Central Kurdish (Sorani) */
   {"ckt",	HB_TAG('C','H','K',' ')},	/* Chukchi */
+  {"cld",	HB_TAG('S','Y','R',' ')},	/* Chaldean Neo-Aramaic */
+  {"cmr",	HB_TAG('Q','I','N',' ')},	/* Mro-Khimi Chin */
+  {"cnb",	HB_TAG('Q','I','N',' ')},	/* Chinbon Chin */
+  {"cnh",	HB_TAG('Q','I','N',' ')},	/* Hakha Chin */
+  {"cnk",	HB_TAG('Q','I','N',' ')},	/* Khumi Chin */
+  {"cnw",	HB_TAG('Q','I','N',' ')},	/* Ngawn Chin */
   {"cop",	HB_TAG('C','O','P',' ')},	/* Coptic */
   {"cpp",	HB_TAG('C','P','P',' ')},	/* Creoles */
   {"cr",	HB_TAG('C','R','E',' ')},	/* Cree */
@@ -293,6 +306,9 @@ static const LangTag ot_languages[] = {
   {"crx",	HB_TAG('C','R','R',' ')},	/* Carrier */
   {"cs",	HB_TAG('C','S','Y',' ')},	/* Czech */
   {"csb",	HB_TAG('C','S','B',' ')},	/* Kashubian */
+  {"csh",	HB_TAG('Q','I','N',' ')},	/* Asho Chin */
+  {"csy",	HB_TAG('Q','I','N',' ')},	/* Siyin Chin */
+  {"ctd",	HB_TAG('Q','I','N',' ')},	/* Tedim Chin */
   {"ctg",	HB_TAG('C','T','G',' ')},	/* Chittagonian */
   {"cts",	HB_TAG('B','I','K',' ')},	/* Northern Catanduanes Bikol */
   {"cu",	HB_TAG('C','S','L',' ')},	/* Church Slavic */
@@ -300,7 +316,9 @@ static const LangTag ot_languages[] = {
   {"cv",	HB_TAG('C','H','U',' ')},	/* Chuvash */
   {"cwd",	HB_TAG('D','C','R',' ')},	/* Woods Cree */
   {"cy",	HB_TAG('W','E','L',' ')},	/* Welsh */
+  {"czt",	HB_TAG('Q','I','N',' ')},	/* Zotung Chin */
   {"da",	HB_TAG('D','A','N',' ')},	/* Danish */
+  {"dao",	HB_TAG('Q','I','N',' ')},	/* Daai Chin */
   {"dap",	HB_TAG('N','I','S',' ')},	/* Nisi (India) */
   {"dar",	HB_TAG('D','A','R',' ')},	/* Dargwa */
   {"dax",	HB_TAG('D','A','X',' ')},	/* Dayi */
@@ -343,7 +361,7 @@ static const LangTag ot_languages[] = {
   {"fi",	HB_TAG('F','I','N',' ')},	/* Finnish */
   {"fil",	HB_TAG('P','I','L',' ')},	/* Filipino */
   {"fj",	HB_TAG('F','J','I',' ')},	/* Fijian */
-  {"flm",	HB_TAG('H','A','L',' ')},	/* Halam */
+  {"flm",	HB_TAG('H','A','L',' ')},	/* Halam/Falam Chin [retired ISO639 code] */
   {"fo",	HB_TAG('F','O','S',' ')},	/* Faroese */
   {"fon",	HB_TAG('F','O','N',' ')},	/* Fon */
   {"fr",	HB_TAG('F','R','A',' ')},	/* French */
@@ -390,6 +408,7 @@ static const LangTag ot_languages[] = {
   {"he",	HB_TAG('I','W','R',' ')},	/* Hebrew */
   {"hi",	HB_TAG('H','I','N',' ')},	/* Hindi */
   {"hil",	HB_TAG('H','I','L',' ')},	/* Hiligaynon */
+  {"hlt",	HB_TAG('Q','I','N',' ')},	/* Matu Chin */
   {"hmn",	HB_TAG('H','M','N',' ')},	/* Hmong */
   {"hnd",	HB_TAG('H','N','D',' ')},	/* [Southern] Hindko */
   {"hne",	HB_TAG('C','H','H',' ')},	/* Chattisgarhi */
@@ -553,6 +572,7 @@ static const LangTag ot_languages[] = {
   {"mos",	HB_TAG('M','O','S',' ')},	/* Mossi */
   {"mpe",	HB_TAG('M','A','J',' ')},	/* Majang */
   {"mr",	HB_TAG('M','A','R',' ')},	/* Marathi */
+  {"mrh",	HB_TAG('Q','I','N',' ')},	/* Mara Chin */
   {"mrj",	HB_TAG('H','M','A',' ')},	/* High Mari */
   {"ms",	HB_TAG('M','L','Y',' ')},	/* Malay [macrolanguage] */
   {"msc",	HB_TAG('M','N','K',' ')},	/* Sankaran Maninka */
@@ -617,6 +637,7 @@ static const LangTag ot_languages[] = {
   {"pcc",	HB_TAG('P','C','C',' ')},	/* Bouyei */
   {"pcd",	HB_TAG('P','C','D',' ')},	/* Picard */
   {"pce",	HB_TAG('P','L','G',' ')},	/* [Ruching] Palaung */
+  {"pck",	HB_TAG('Q','I','N',' ')},	/* Paite Chin */
   {"pdc",	HB_TAG('P','D','C',' ')},	/* Pennsylvania German */
   {"pes",	HB_TAG('F','A','R',' ')},	/* Iranian Persian */
   {"phk",	HB_TAG('P','H','K',' ')},	/* Phake */
@@ -674,6 +695,7 @@ static const LangTag ot_languages[] = {
   {"se",	HB_TAG('N','S','M',' ')},	/* Northern Sami */
   {"seh",	HB_TAG('S','N','A',' ')},	/* Sena */
   {"sel",	HB_TAG('S','E','L',' ')},	/* Selkup */
+  {"sez",	HB_TAG('Q','I','N',' ')},	/* Senthang Chin */
   {"sg",	HB_TAG('S','G','O',' ')},	/* Sango */
   {"sga",	HB_TAG('S','G','A',' ')},	/* Old Irish (to 900) */
   {"sgs",	HB_TAG('S','G','S',' ')},	/* Samogitian */
@@ -713,12 +735,15 @@ static const LangTag ot_languages[] = {
   {"swh",	HB_TAG('S','W','K',' ')},	/* Kiswahili/Swahili */
   {"swv",	HB_TAG('M','A','W',' ')},	/* Shekhawati */
   {"sxu",	HB_TAG('S','X','U',' ')},	/* Upper Saxon */
+  {"syc",	HB_TAG('S','Y','R',' ')},	/* Classical Syriac */
   {"syl",	HB_TAG('S','Y','L',' ')},	/* Sylheti */
   {"syr",	HB_TAG('S','Y','R',' ')},	/* Syriac [macrolanguage] */
   {"szl",	HB_TAG('S','Z','L',' ')},	/* Silesian */
   {"ta",	HB_TAG('T','A','M',' ')},	/* Tamil */
   {"tab",	HB_TAG('T','A','B',' ')},	/* Tabasaran */
+  {"tcp",	HB_TAG('Q','I','N',' ')},	/* Tawr Chin */
   {"tcy",	HB_TAG('T','U','L',' ')},	/* Tulu */
+  {"tcz",	HB_TAG('Q','I','N',' ')},	/* Thado Chin */
   {"tdd",	HB_TAG('T','D','D',' ')},	/* Tai Nüa */
   {"te",	HB_TAG('T','E','L',' ')},	/* Telugu */
   {"tem",	HB_TAG('T','M','N',' ')},	/* Temne */
@@ -786,11 +811,13 @@ static const LangTag ot_languages[] = {
   {"yap",	HB_TAG('Y','A','P',' ')},	/* Yapese */
   {"yi",	HB_TAG('J','I','I',' ')},	/* Yiddish [macrolanguage] */
   {"yo",	HB_TAG('Y','B','A',' ')},	/* Yoruba */
+  {"yos",	HB_TAG('Q','I','N',' ')},	/* Yos, deprecated by IANA in favor of Zou [zom] */
   {"yso",	HB_TAG('N','I','S',' ')},	/* Nisi (China) */
   {"za",	HB_TAG('Z','H','A',' ')},	/* Chuang/Zhuang [macrolanguage] */
   {"zea",	HB_TAG('Z','E','A',' ')},	/* Zeeuws */
   {"zgh",	HB_TAG('Z','G','H',' ')},	/* Standard Morrocan Tamazigh */
   {"zne",	HB_TAG('Z','N','D',' ')},	/* Zande */
+  {"zom",	HB_TAG('Q','I','N',' ')},	/* Zou */
   {"zu",	HB_TAG('Z','U','L',' ')}, 	/* Zulu */
   {"zum",	HB_TAG('L','R','C',' ')},	/* Kumzari */
   {"zza",	HB_TAG('Z','Z','A',' ')},	/* Zazaki */
@@ -907,6 +934,30 @@ hb_ot_tag_from_language (hb_language_t language)
     return HB_TAG('A','P','P','H');  /* Phonetic transcription—Americanist conventions */
   }
 
+  /*
+   * "Syre" is a BCP-47 script tag, meaning the Estrangela variant of the Syriac script.
+   * It can be applied to any language.
+   */
+  if (strstr (lang_str, "-syre")) {
+    return HB_TAG('S','Y','R','E');  /* Estrangela Syriac */
+  }
+
+  /*
+   * "Syrj" is a BCP-47 script tag, meaning the Western variant of the Syriac script.
+   * It can be applied to any language.
+   */
+  if (strstr (lang_str, "-syrj")) {
+    return HB_TAG('S','Y','R','J');  /* Western Syriac */
+  }
+
+  /*
+   * "Syrn" is a BCP-47 script tag, meaning the Eastern variant of the Syriac script.
+   * It can be applied to any language.
+   */
+  if (strstr (lang_str, "-syrn")) {
+    return HB_TAG('S','Y','R','N');  /* Eastern Syriac */
+  }
+
   /* Find a language matching in the first component */
   {
     const LangTag *lang_tag;
@@ -962,6 +1013,22 @@ hb_ot_tag_to_language (hb_tag_t tag)
   if (tag == HB_OT_TAG_DEFAULT_LANGUAGE)
     return NULL;
 
+  /* struct LangTag has only room for 3-letter language tags. */
+  switch (tag) {
+  case HB_TAG('A','P','P','H'):  /* Phonetic transcription—Americanist conventions */
+    return hb_language_from_string ("und-fonnapa", -1);
+  case HB_TAG('I','P','P','H'):  /* Phonetic transcription—IPA conventions */
+    return hb_language_from_string ("und-fonipa", -1);
+  case HB_TAG('S','Y','R',' '):  /* Syriac [macrolanguage] */
+    return hb_language_from_string ("syr", -1);
+  case HB_TAG('S','Y','R','E'):  /* Estrangela Syriac */
+    return hb_language_from_string ("und-Syre", -1);
+  case HB_TAG('S','Y','R','J'):  /* Western Syriac */
+    return hb_language_from_string ("und-Syrj", -1);
+  case HB_TAG('S','Y','R','N'):  /* Eastern Syriac */
+    return hb_language_from_string ("und-Syrn", -1);
+  }
+
   for (i = 0; i < ARRAY_LENGTH (ot_languages); i++)
     if (ot_languages[i].tag == tag)
       return hb_language_from_string (ot_languages[i].language, -1);
@@ -976,14 +1043,6 @@ hb_ot_tag_to_language (hb_tag_t tag)
     }
   }
 
-  /* struct LangTag has only room for 3-letter language tags. */
-  switch (tag) {
-  case HB_TAG('A','P','P','H'):  /* Phonetic transcription—Americanist conventions */
-    return hb_language_from_string ("und-fonnapa", -1);
-  case HB_TAG('I','P','P','H'):  /* Phonetic transcription—IPA conventions */
-    return hb_language_from_string ("und-fonipa", -1);
-  }
-
   /* Else return a custom language in the form of "x-hbotABCD" */
   {
     unsigned char buf[11] = "x-hbot";
diff --git a/test/api/test-ot-tag.c b/test/api/test-ot-tag.c
index e54e55269..f5cbd9d12 100644
--- a/test/api/test-ot-tag.c
+++ b/test/api/test-ot-tag.c
@@ -188,11 +188,48 @@ test_ot_tag_language (void)
   test_language_two_way ("ENG", "en");
   test_tag_from_language ("ENG", "en_US");
 
+  test_language_two_way ("CJA", "cja"); /* Western Cham */
+  test_language_two_way ("CJM", "cjm"); /* Eastern Cham */
   test_language_two_way ("EVN", "eve");
 
+  test_language_two_way ("HAL", "cfm"); /* BCP47 and current ISO639-3 code for Halam/Falam Chin */
+  test_tag_from_language ("HAL", "flm"); /* Retired ISO639-3 code for Halam/Falam Chin */
+
+  test_tag_from_language ("QIN", "bgr"); /* Bawm Chin */
+  test_tag_from_language ("QIN", "cbl"); /* Bualkhaw Chin */
+  test_tag_from_language ("QIN", "cka"); /* Khumi Awa Chin */
+  test_tag_from_language ("QIN", "cmr"); /* Mro-Khimi Chin */
+  test_tag_from_language ("QIN", "cnb"); /* Chinbon Chin */
+  test_tag_from_language ("QIN", "cnh"); /* Hakha Chin */
+  test_tag_from_language ("QIN", "cnk"); /* Khumi Chin */
+  test_tag_from_language ("QIN", "cnw"); /* Ngawn Chin */
+  test_tag_from_language ("QIN", "csh"); /* Asho Chin */
+  test_tag_from_language ("QIN", "csy"); /* Siyin Chin */
+  test_tag_from_language ("QIN", "ctd"); /* Tedim Chin */
+  test_tag_from_language ("QIN", "czt"); /* Zotung Chin */
+  test_tag_from_language ("QIN", "dao"); /* Daai Chin */
+  test_tag_from_language ("QIN", "hlt"); /* Matu Chin */
+  test_tag_from_language ("QIN", "mrh"); /* Mara Chin */
+  test_tag_from_language ("QIN", "pck"); /* Paite Chin */
+  test_tag_from_language ("QIN", "sez"); /* Senthang Chin */
+  test_tag_from_language ("QIN", "tcp"); /* Tawr Chin */
+  test_tag_from_language ("QIN", "tcz"); /* Thado Chin */
+  test_tag_from_language ("QIN", "yos"); /* Yos, deprecated by IANA in favor of Zou [zom] */
+  test_tag_from_language ("QIN", "zom"); /* Zou */
+  test_tag_to_language ("QIN", "bgr");   /* no single BCP47 tag for Chin; picking Bawm Chin */
+
   test_language_two_way ("FAR", "fa");
   test_tag_from_language ("FAR", "fa_IR");
 
+  test_language_two_way ("SWA", "aii"); /* Swadaya Aramaic */
+
+  test_language_two_way ("SYR", "syr"); /* Syriac [macrolanguage] */
+  test_tag_from_language ("SYR", "amw"); /* Western Neo-Aramaic */
+  test_tag_from_language ("SYR", "cld"); /* Chaldean Neo-Aramaic */
+  test_tag_from_language ("SYR", "syc"); /* Classical Syriac */
+
+  test_language_two_way ("TUA", "tru"); /* Turoyo Aramaic */
+
   test_language_two_way ("ZHH", "zh-hk"); /* Chinese (Hong Kong) */
 
   test_tag_from_language ("ZHS", "zh"); /* Chinese */
@@ -238,6 +275,27 @@ test_ot_tag_language (void)
   test_tag_from_language ("APPH", "und-fonnapa");
   test_tag_to_language ("APPH", "und-fonnapa");
 
+  /* Estrangela Syriac */
+  test_tag_from_language ("SYRE", "aii-Syre");
+  test_tag_from_language ("SYRE", "de-Syre");
+  test_tag_from_language ("SYRE", "syr-Syre");
+  test_tag_from_language ("SYRE", "und-Syre");
+  test_tag_to_language ("SYRE", "und-Syre");
+
+  /* Western Syriac */
+  test_tag_from_language ("SYRJ", "aii-Syrj");
+  test_tag_from_language ("SYRJ", "de-Syrj");
+  test_tag_from_language ("SYRJ", "syr-Syrj");
+  test_tag_from_language ("SYRJ", "und-Syrj");
+  test_tag_to_language ("SYRJ", "und-Syrj");
+
+  /* Eastern Syriac */
+  test_tag_from_language ("SYRN", "aii-Syrn");
+  test_tag_from_language ("SYRN", "de-Syrn");
+  test_tag_from_language ("SYRN", "syr-Syrn");
+  test_tag_from_language ("SYRN", "und-Syrn");
+  test_tag_to_language ("SYRN", "und-Syrn");
+
   /* Test that x-hbot overrides the base language */
   test_tag_from_language ("ABC", "fa-x-hbotabc-zxc");
   test_tag_from_language ("ABC", "fa-ir-x-hbotabc-zxc");

From 2452543fdd383e62b8c4bc44b11bfd6796fc9963 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 18 Jan 2017 22:48:13 +0200
Subject: [PATCH 0193/1326] [ot] Fix automatic fraction for RTL scripts (#405)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The numbers for right-to-left scripts are processed also from right to
left, so the order of applying “numr” and “dnom” features should be
reversed in such case.

Fixes https://github.com/behdad/harfbuzz/issues/395
---
 src/hb-ot-shape.cc                              |  16 ++++++++++++++--
 test/shaping/Makefile.am                        |   1 +
 ...15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf | Bin 0 -> 4936 bytes
 test/shaping/tests/automatic-fractions.tests    |   3 +++
 4 files changed, 18 insertions(+), 2 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf
 create mode 100644 test/shaping/tests/automatic-fractions.tests

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index ddd6662e8..6b38739c9 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -362,6 +362,18 @@ hb_ot_shape_setup_masks_fraction (hb_ot_shape_context_t *c)
 
   hb_buffer_t *buffer = c->buffer;
 
+  hb_mask_t pre_mask, post_mask;
+  if (HB_DIRECTION_IS_FORWARD (buffer->props.direction))
+  {
+    pre_mask = c->plan->numr_mask | c->plan->frac_mask;
+    post_mask = c->plan->frac_mask | c->plan->dnom_mask;
+  }
+  else
+  {
+    pre_mask = c->plan->frac_mask | c->plan->dnom_mask;
+    post_mask = c->plan->numr_mask | c->plan->frac_mask;
+  }
+
   /* TODO look in pre/post context text also. */
   unsigned int count = buffer->len;
   hb_glyph_info_t *info = buffer->info;
@@ -380,10 +392,10 @@ hb_ot_shape_setup_masks_fraction (hb_ot_shape_context_t *c)
         end++;
 
       for (unsigned int j = start; j < i; j++)
-        info[j].mask |= c->plan->numr_mask | c->plan->frac_mask;
+        info[j].mask |= pre_mask;
       info[i].mask |= c->plan->frac_mask;
       for (unsigned int j = i + 1; j < end; j++)
-        info[j].mask |= c->plan->frac_mask | c->plan->dnom_mask;
+        info[j].mask |= post_mask;
 
       i = end - 1;
     }
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index f2bb95bdd..ea0b28a7e 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -43,6 +43,7 @@ CLEANFILES += \
 TESTS = \
 	tests/arabic-fallback-shaping.tests \
 	tests/arabic-feature-order.tests \
+	tests/automatic-fractions.tests \
 	tests/cluster.tests \
 	tests/color-fonts.tests \
 	tests/context-matching.tests \
diff --git a/test/shaping/fonts/sha1sum/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf b/test/shaping/fonts/sha1sum/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf
new file mode 100644
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GIT binary patch
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zjpT=a_MMC<9B@8fQc)MyR6OCv{;}~<GEZy)$xa|5ZTPkg<UVZUqzl^wS&wa!Y{51~
zwqcvr&$5st<O!Pv=$?a5ydx|Y145U;yojYD#v1`@kD>nx>qY(O!hI{eZxFL|_|q(a
pKKf)9;Le5aQX&hP@h;%OTJI&Zh{&N<{Flr|?6{X=_o?`<{eNRP0Nwxq

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/automatic-fractions.tests b/test/shaping/tests/automatic-fractions.tests
new file mode 100644
index 000000000..f9510e26c
--- /dev/null
+++ b/test/shaping/tests/automatic-fractions.tests
@@ -0,0 +1,3 @@
+fonts/sha1sum/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf::U+0031,U+0032,U+0033,U+2044,U+0034,U+0035,U+0036:[one.numr=0+600|two.numr=1+600|three.numr=2+600|fraction=3+252|four.small=4+600|five.small=5+600|six.small=6+600]
+fonts/sha1sum/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf:--direction=l --script=arab:U+0031,U+0032,U+0033,U+2044,U+0034,U+0035,U+0036:[one.numr=0+600|two.numr=1+600|three.numr=2+600|fraction=3+252|four.small=4+600|five.small=5+600|six.small=6+600]
+fonts/sha1sum/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf:--direction=l:U+0661,U+0662,U+0663,U+2044,U+0664,U+0665,U+0666:[uni0661.numr=0+600|uni0662.numr=1+600|uni0663.numr=2+600|fraction=3+252|uni0664.small=4+600|uni0665.small=5+600|uni0666.small=6+600]

From 2f2ceee1853649d1b2ad4315a38cd9c07659932a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Jan 2017 16:48:01 -0800
Subject: [PATCH 0194/1326] Minor

---
 test/api/test-ot-math.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index 049656a03..cfac10900 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -70,12 +70,13 @@ openFont(const char* fontFile)
   if ((ft_error = FT_Set_Char_Size (ft_face, 2000, 1000, 0, 0)))
     abort();
   hb_font = hb_ft_font_create (ft_face, NULL);
-  hb_face = hb_ft_face_create_cached(ft_face);
+  hb_face = hb_face_reference (hb_font_get_face (hb_font));
 }
 
 static inline void
 closeFont (void)
 {
+  hb_face_destroy (hb_face);
   hb_font_destroy (hb_font);
   FT_Done_Face (ft_face);
 }

From b5ecf1bfa459a755e36bc4c7f545c7f803b7d016 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Jan 2017 16:50:29 -0800
Subject: [PATCH 0195/1326] Fix warnings

---
 test/api/test-ot-math.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index cfac10900..e7a6fc899 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -401,6 +401,11 @@ static void
 test_get_glyph_variants (void)
 {
   hb_codepoint_t glyph;
+  hb_ot_math_glyph_variant_t variants[20];
+  unsigned variantsSize = sizeof (variants) / sizeof (variants[0]);
+  unsigned int count;
+  unsigned int offset = 0;
+
   initFreeType();
 
   openFont("fonts/MathTestFontEmpty.otf");
@@ -464,10 +469,6 @@ test_get_glyph_variants (void)
                                                  NULL), ==, 0);
 
   g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
-  hb_ot_math_glyph_variant_t variants[20];
-  unsigned variantsSize = sizeof (variants) / sizeof (variants[0]);
-  unsigned int count;
-  unsigned int offset = 0;
   do {
     count = variantsSize;
     hb_ot_math_get_glyph_variants (hb_font,
@@ -524,6 +525,11 @@ static void
 test_get_glyph_assembly (void)
 {
   hb_codepoint_t glyph;
+  hb_ot_math_glyph_part_t parts[20];
+  unsigned partsSize = sizeof (parts) / sizeof (parts[0]);
+  unsigned int count;
+  unsigned int offset = 0;
+
   initFreeType();
 
   openFont("fonts/MathTestFontEmpty.otf");
@@ -591,10 +597,6 @@ test_get_glyph_assembly (void)
                                                  NULL), ==, 0);
 
   g_assert(hb_font_get_glyph_from_name (hb_font, "arrowright", -1, &glyph));
-  hb_ot_math_glyph_part_t parts[20];
-  unsigned partsSize = sizeof (parts) / sizeof (parts[0]);
-  unsigned int count;
-  unsigned int offset = 0;
   do {
     count = partsSize;
     hb_ot_math_get_glyph_assembly (hb_font,

From 331d07bd40a3d9ff30db5cdf85fdc4f10f0fcb99 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Jan 2017 16:51:36 -0800
Subject: [PATCH 0196/1326] Minor

---
 test/api/test-ot-math.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index e7a6fc899..b9fcb656d 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -79,6 +79,9 @@ closeFont (void)
   hb_face_destroy (hb_face);
   hb_font_destroy (hb_font);
   FT_Done_Face (ft_face);
+  hb_face = NULL;
+  hb_font = NULL;
+  ft_face = NULL;
 }
 
 static void

From a8a5e81a52f56f5f8bf975dc4d9f79bede5d895b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Jan 2017 16:55:04 -0800
Subject: [PATCH 0197/1326] [test-ot-math] Add test with nil face/font

---
 test/api/test-ot-math.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/api/test-ot-math.c b/test/api/test-ot-math.c
index b9fcb656d..0ca5566df 100644
--- a/test/api/test-ot-math.c
+++ b/test/api/test-ot-math.c
@@ -97,6 +97,14 @@ test_has_data (void)
   g_assert(hb_ot_math_has_data (hb_face)); // MATH table available
   closeFont();
 
+  hb_face = hb_face_get_empty ();
+  hb_font = hb_font_create (hb_face);
+  g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available
+
+  hb_font = hb_font_get_empty ();
+  hb_face = hb_font_get_face (hb_font);
+  g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available
+
   cleanupFreeType();
 }
 

From 272b5115325b785e92ff5500d4bfc3a67490b6f8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Jan 2017 19:33:07 -0800
Subject: [PATCH 0198/1326] Minor

---
 src/hb-ot-math.cc | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-math.cc b/src/hb-ot-math.cc
index 40414ebee..ec8df2c25 100644
--- a/src/hb-ot-math.cc
+++ b/src/hb-ot-math.cc
@@ -49,10 +49,9 @@ _get_math (hb_face_t *face)
  * @face: #hb_face_t to test
  *
  * This function allows to verify the presence of an OpenType MATH table on the
- * face. If so, such a table will be loaded into memory and sanitized. You can
- * then safely call other functions for math layout and shaping.
+ * face.
  *
- * Return value: #TRUE if face has a MATH table and #FALSE otherwise
+ * Return value: true if face has a MATH table, false otherwise
  *
  * Since: 1.3.3
  **/
@@ -124,7 +123,7 @@ hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
  * @font: a #hb_font_t to test
  * @glyph: a glyph index to test
  *
- * Return value: #TRUE if the glyph is an extended shape and #FALSE otherwise
+ * Return value: true if the glyph is an extended shape, false otherwise
  *
  * Since: 1.3.3
  **/

From 55d42fd667b9c34a1109bb850bf2ea7322c01040 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Jan 2017 19:35:48 -0800
Subject: [PATCH 0199/1326] Start adding hb-ot-var.h and implementation

Supports enumerating variation axes, normalizing values, etc.
---
 src/Makefile.sources        |   3 +
 src/hb-ot-layout-private.hh |   6 ++
 src/hb-ot-layout.cc         |   4 ++
 src/hb-ot-var-fvar-table.hh | 133 ++++++++++++++++++++++++++++++++++++
 src/hb-ot-var.cc            |  63 +++++++++++++++++
 src/hb-ot-var.h             |  81 ++++++++++++++++++++++
 src/hb-ot.h                 |   1 +
 7 files changed, 291 insertions(+)
 create mode 100644 src/hb-ot-var-fvar-table.hh
 create mode 100644 src/hb-ot-var.cc
 create mode 100644 src/hb-ot-var.h

diff --git a/src/Makefile.sources b/src/Makefile.sources
index b75ec0cbd..279bc46eb 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -108,6 +108,8 @@ HB_OT_sources = \
 	hb-ot-shape-fallback-private.hh \
 	hb-ot-shape-fallback.cc \
 	hb-ot-shape-private.hh \
+	hb-ot-var.cc \
+	hb-ot-var-fvar-table.hh \
 	$(NULL)
 
 HB_OT_headers = \
@@ -117,6 +119,7 @@ HB_OT_headers = \
 	hb-ot-math.h \
 	hb-ot-shape.h \
 	hb-ot-tag.h \
+	hb-ot-var.h \
 	$(NULL)
 
 # Optional Sources and Headers with external deps
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 1c398e9bd..8c348beb1 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -126,6 +126,8 @@ namespace OT {
   struct GSUB;
   struct GPOS;
   struct MATH;
+  struct fvar;
+  struct avar;
 }
 
 struct hb_ot_layout_lookup_accelerator_t
@@ -158,7 +160,11 @@ struct hb_ot_layout_t
   const struct OT::GDEF *gdef;
   const struct OT::GSUB *gsub;
   const struct OT::GPOS *gpos;
+
+  /* TODO Move the following out of this struct. */
   OT::hb_lazy_table_loader_t<struct OT::MATH> math;
+  OT::hb_lazy_table_loader_t<struct OT::fvar> fvar;
+  OT::hb_lazy_table_loader_t<struct OT::avar> avar;
 
   unsigned int gsub_lookup_count;
   unsigned int gpos_lookup_count;
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index d1654025e..d8d628480 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -61,6 +61,8 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->gpos = OT::Sanitizer<OT::GPOS>::lock_instance (layout->gpos_blob);
 
   layout->math.init (face);
+  layout->fvar.init (face);
+  layout->avar.init (face);
 
   {
     /*
@@ -181,6 +183,8 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   hb_blob_destroy (layout->gpos_blob);
 
   layout->math.fini ();
+  layout->fvar.fini ();
+  layout->avar.fini ();
 
   free (layout);
 }
diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
new file mode 100644
index 000000000..84617411c
--- /dev/null
+++ b/src/hb-ot-var-fvar-table.hh
@@ -0,0 +1,133 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_VAR_FVAR_TABLE_HH
+#define HB_OT_VAR_FVAR_TABLE_HH
+
+#include "hb-open-type-private.hh"
+#include "hb-ot-var.h"
+
+namespace OT {
+
+
+struct InstanceRecord
+{
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int axis_count) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  c->check_array (coordinates, coordinates[0].static_size, axis_count));
+  }
+
+  protected:
+  USHORT	subfamilyNameID;/* The name ID for entries in the 'name' table
+				 * that provide subfamily names for this instance. */
+  USHORT	reserved;	/* Reserved for future use — set to 0. */
+  Fixed		coordinates[VAR];/* The coordinates array for this instance. */
+  //USHORT	postScriptNameIDX;/*Optional. The name ID for entries in the 'name'
+  //				  * table that provide PostScript names for this
+  //				  * instance. */
+
+  public:
+  DEFINE_SIZE_ARRAY (4, coordinates);
+};
+
+struct AxisRecord
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  protected:
+  Tag		axisTag;	/* Tag identifying the design variation for the axis. */
+  Fixed		minValue;	/* The minimum coordinate value for the axis. */
+  Fixed		defaultValue;	/* The default coordinate value for the axis. */
+  Fixed		maxValue;	/* The maximum coordinate value for the axis. */
+  USHORT	reserved;	/* Reserved for future use — set to 0. */
+  USHORT	axisNameID;	/* The name ID for entries in the 'name' table that
+				 * provide a display name for this axis. */
+
+  public:
+  DEFINE_SIZE_STATIC (20);
+};
+
+
+/*
+ * fvar — Font Variations Table
+ */
+
+struct fvar
+{
+  static const hb_tag_t tableTag	= HB_OT_TAG_fvar;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+		  likely (version.major == 1) /*&&
+		  mathConstants.sanitize (c, this) &&
+		  mathGlyphInfo.sanitize (c, this) &&
+		  mathVariants.sanitize (c, this)*/);
+  }
+
+#if 0
+  inline hb_position_t get_constant (hb_ot_math_constant_t  constant,
+				     hb_font_t		   *font) const
+  { return (this+mathConstants).get_value (constant, font); }
+
+  inline const MathGlyphInfo &get_math_glyph_info (void) const
+  { return this+mathGlyphInfo; }
+
+  inline const MathVariants &get_math_variants (void) const
+  { return this+mathVariants; }
+#endif
+
+  protected:
+  FixedVersion<>version;	/* Version of the fvar table
+				 * initially set to 0x00010000u */
+  Offset<>	things;		/* Offset in bytes from the beginning of the table
+				 * to the start of the AxisRecord array. */
+  USHORT	reserved;	/* This field is permanently reserved. Set to 2. */
+  USHORT	axisCount;	/* The number of variation axes in the font (the
+				 * number of records in the axes array). */
+  USHORT	axisSize;	/* The size in bytes of each VariationAxisRecord —
+				 * set to 20 (0x0014) for this version. */
+  USHORT	instanceCount;	/* The number of named instances defined in the font
+				 * (the number of records in the instances array). */
+  USHORT	instanceSize;	/* The size in bytes of each InstanceRecord — set
+				 * to either axisCount * sizeof(Fixed) + 4, or to
+				 * axisCount * sizeof(Fixed) + 6. */
+
+  public:
+  DEFINE_SIZE_STATIC (16);
+};
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_VAR_FVAR_TABLE_HH */
diff --git a/src/hb-ot-var.cc b/src/hb-ot-var.cc
new file mode 100644
index 000000000..c9dcb1f7b
--- /dev/null
+++ b/src/hb-ot-var.cc
@@ -0,0 +1,63 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-open-type-private.hh"
+
+#include "hb-ot-layout-private.hh"
+#include "hb-ot-var-fvar-table.hh"
+#include "hb-ot-var.h"
+
+HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
+
+static inline const OT::fvar&
+_get_fvar (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::fvar);
+
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+
+  return *(layout->fvar.get ());
+}
+
+/*
+ * OT::fvar
+ */
+
+/**
+ * hb_ot_var_has_data:
+ * @face: #hb_face_t to test
+ *
+ * This function allows to verify the presence of OpenType variation data on the face.
+ *
+ * Return value: true if face has a `fvar' table and false otherwise
+ *
+ * Since: 1.4.2
+ **/
+hb_bool_t
+hb_ot_var_has_data (hb_face_t *face)
+{
+  return &_get_fvar (face) != &OT::Null(OT::fvar);
+}
diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
new file mode 100644
index 000000000..679feb949
--- /dev/null
+++ b/src/hb-ot-var.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_H_IN
+#error "Include <hb-ot.h> instead."
+#endif
+
+#ifndef HB_OT_VAR_H
+#define HB_OT_VAR_H
+
+#include "hb.h"
+
+HB_BEGIN_DECLS
+
+
+#define HB_OT_TAG_fvar HB_TAG('f','v','a','r')
+#define HB_OT_TAG_avar HB_TAG('a','v','a','r')
+
+
+/*
+ * fvar / avar
+ */
+
+/**
+ * hb_ot_var_axis_t:
+ *
+ * Since: 1.4.2
+ */
+typedef struct hb_ot_var_axis_t {
+  hb_tag_t tag;
+  unsigned int name_id;
+  double min_value;
+  double def_value;
+  double max_value;
+} hb_ot_var_axis_t;
+
+HB_EXTERN hb_bool_t
+hb_ot_var_has_data (hb_face_t *face);
+
+#if 0
+
+HB_EXTERN unsigned int
+Xhb_ot_var_get_axes (hb_face_t        *face,
+		    unsigned int      start_offset,
+		    unsigned int     *axes_count /* IN/OUT */,
+		    hb_ot_var_axis_t *axes_array /* OUT */);
+
+/* TODO Add "find_axis", etc API? Are they needed at all? */
+
+HB_EXTERN unsigned int
+Xhb_ot_var_get_named_instances (hb_face_t        *face, ... );
+
+#endif
+
+
+HB_END_DECLS
+
+#endif /* HB_OT_VAR_H */
diff --git a/src/hb-ot.h b/src/hb-ot.h
index 113e37b08..2120a3efa 100644
--- a/src/hb-ot.h
+++ b/src/hb-ot.h
@@ -35,6 +35,7 @@
 #include "hb-ot-math.h"
 #include "hb-ot-tag.h"
 #include "hb-ot-shape.h"
+#include "hb-ot-var.h"
 
 HB_BEGIN_DECLS
 

From 469926cc45760cb681d44e5757b18b9bdd736189 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 20 Jan 2017 17:40:46 -0800
Subject: [PATCH 0200/1326] [var] Change double to float in API

---
 src/hb-ot-var.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
index 679feb949..9d73bed49 100644
--- a/src/hb-ot-var.h
+++ b/src/hb-ot-var.h
@@ -52,9 +52,9 @@ HB_BEGIN_DECLS
 typedef struct hb_ot_var_axis_t {
   hb_tag_t tag;
   unsigned int name_id;
-  double min_value;
-  double def_value;
-  double max_value;
+  float min_value;
+  float def_value;
+  float max_value;
 } hb_ot_var_axis_t;
 
 HB_EXTERN hb_bool_t

From f2e73d37e77ccea8b948d1ecf5f11e7a699386dc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 20 Jan 2017 17:42:18 -0800
Subject: [PATCH 0201/1326] [var] Remove over-optimization

---
 src/hb-font.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 2935c4b4f..b91a35b67 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1552,10 +1552,6 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   if (font->immutable)
     return;
 
-  /* Skip tail zero entries. */
-  while (coords_length && !coords[coords_length - 1])
-    coords_length--;
-
   int *copy = coords_length ? (int *) calloc (coords_length, sizeof (coords[0])) : NULL;
   if (unlikely (coords_length && !copy))
     return;

From b8376b10904e1772b8d34d852d1100ca7e2185e2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 20 Jan 2017 18:19:28 -0800
Subject: [PATCH 0202/1326] Minor

---
 src/hb-ft.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index f127066a6..d5f8d5295 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -625,7 +625,7 @@ hb_ft_font_create (FT_Face           ft_face,
     int hbCoords[mm_var->num_axis];
     if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, coords))
     {
-      for (int i = 0; i < mm_var->num_axis; ++i)
+      for (unsigned int i = 0; i < mm_var->num_axis; ++i)
 	hbCoords[i] = coords[i] >> 2;
 
       hb_font_set_var_coords_normalized (font, hbCoords, mm_var->num_axis);

From 422c0c36c80145a2d993f80d5c7d3265e3d8357a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 20 Jan 2017 19:14:54 -0800
Subject: [PATCH 0203/1326] [var] Flesh out a bit

---
 src/hb-ot-var-fvar-table.hh | 72 +++++++++++++++++++++++++++++--------
 src/hb-ot-var.h             | 10 +++++-
 2 files changed, 67 insertions(+), 15 deletions(-)

diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
index 84617411c..39015b331 100644
--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@@ -63,7 +63,7 @@ struct AxisRecord
     return_trace (c->check_struct (this));
   }
 
-  protected:
+  public:
   Tag		axisTag;	/* Tag identifying the design variation for the axis. */
   Fixed		minValue;	/* The minimum coordinate value for the axis. */
   Fixed		defaultValue;	/* The default coordinate value for the axis. */
@@ -89,23 +89,67 @@ struct fvar
   {
     TRACE_SANITIZE (this);
     return_trace (version.sanitize (c) &&
-		  likely (version.major == 1) /*&&
-		  mathConstants.sanitize (c, this) &&
-		  mathGlyphInfo.sanitize (c, this) &&
-		  mathVariants.sanitize (c, this)*/);
+		  likely (version.major == 1) &&
+		  c->check_struct (this) &&
+		  instanceSize >= axisCount * 4 + 4 &&
+		  axisSize <= 1024 && /* Arbitrary, just to simplify overflow checks. */
+		  instanceSize <= 1024 && /* Arbitrary, just to simplify overflow checks. */
+		  c->check_range (this, things) &&
+		  c->check_range (&StructAtOffset<char> (this, things),
+				  axisCount * axisSize + instanceCount * instanceSize));
   }
 
-#if 0
-  inline hb_position_t get_constant (hb_ot_math_constant_t  constant,
-				     hb_font_t		   *font) const
-  { return (this+mathConstants).get_value (constant, font); }
+  inline const AxisRecord * get_axes (void) const
+  { return &StructAtOffset<AxisRecord> (this, things); }
 
-  inline const MathGlyphInfo &get_math_glyph_info (void) const
-  { return this+mathGlyphInfo; }
+  inline const InstanceRecord * get_instances (void) const
+  { return &StructAtOffset<InstanceRecord> (get_axes () + axisCount, 0); }
 
-  inline const MathVariants &get_math_variants (void) const
-  { return this+mathVariants; }
-#endif
+  inline unsigned int get_axis_count (void) const
+  { return axisCount; }
+
+  inline bool find_axis (hb_tag_t tag, unsigned int *index, hb_ot_var_axis_t *info) const
+  {
+    const AxisRecord *axes = get_axes ();
+    unsigned int count = get_axis_count ();
+    for (unsigned int i = 0; i < count; i++)
+      if (axes[i].axisTag == tag)
+      {
+        if (index)
+	  *index = i;
+	if (info)
+	{
+	  const AxisRecord &axis = axes[i];
+	  info->tag = axis.axisTag;
+	  info->name_id =  axis.axisNameID;
+	  info->default_value = axis.defaultValue / 65536.;
+	  /* Ensure order, to simplify client math. */
+	  info->min_value = MIN<float> (info->default_value, axis.minValue / 65536.);
+	  info->max_value = MAX<float> (info->default_value, axis.maxValue / 65536.);
+	}
+        return true;
+      }
+    if (index)
+      *index = HB_OT_VAR_NO_AXIS_INDEX;
+    return false;
+  }
+
+  inline int normalize_axis_value (hb_tag_t tag, float v, unsigned int *axis_index) const
+  {
+    hb_ot_var_axis_t axis;
+    if (!find_axis (tag, axis_index, &axis))
+      return 0;
+
+    v = MAX (MIN (v, axis.max_value), axis.min_value); /* Clamp. */
+
+    if (v == axis.default_value)
+      return 0;
+    else if (v < axis.default_value)
+      v = (v - axis.default_value) / (axis.default_value - axis.min_value);
+    else
+      v = (v - axis.default_value) / (axis.max_value - axis.default_value);
+    return (int) (v * 16384. + (v >= 0. ? .5 : -.5));
+  }
 
   protected:
   FixedVersion<>version;	/* Version of the fvar table
diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
index 9d73bed49..fd7a5aaf0 100644
--- a/src/hb-ot-var.h
+++ b/src/hb-ot-var.h
@@ -53,15 +53,23 @@ typedef struct hb_ot_var_axis_t {
   hb_tag_t tag;
   unsigned int name_id;
   float min_value;
-  float def_value;
+  float default_value;
   float max_value;
 } hb_ot_var_axis_t;
 
 HB_EXTERN hb_bool_t
 hb_ot_var_has_data (hb_face_t *face);
 
+#define HB_OT_VAR_NO_AXIS_INDEX		0xFFFFFFFFu
+
 #if 0
 
+HB_EXTERN hb_bool_t
+hb_ot_var_find_axis (hb_face_t        *face,
+		     hb_tag_t          axis_tag,
+		     unsigned int     *axis_index,
+		     hb_ot_var_axis_t *axis_info);
+
 HB_EXTERN unsigned int
 Xhb_ot_var_get_axes (hb_face_t        *face,
 		    unsigned int      start_offset,

From 785982bf830723552270db5649abcb9f9f0b46b1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 20 Jan 2017 19:57:27 -0800
Subject: [PATCH 0204/1326] [var] Flesh out some more

---
 src/Makefile.am             |  2 ++
 src/hb-ot-var-fvar-table.hh | 69 +++++++++++++++++++++++++++----------
 src/hb-ot-var.cc            | 39 ++++++++++++++++++++-
 src/hb-ot-var.h             | 21 +++++++----
 4 files changed, 104 insertions(+), 27 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 8cfe4ac7c..d7420a090 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -299,6 +299,8 @@ test_buffer_serialize_SOURCES = test-buffer-serialize.cc
 test_buffer_serialize_CPPFLAGS = $(HBCFLAGS)
 test_buffer_serialize_LDADD = libharfbuzz.la $(HBLIBS)
 
+check: harfbuzz.def # For check-defs.sh
+
 dist_check_SCRIPTS = \
 	check-c-linkage-decls.sh \
 	check-defs.sh \
diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
index 39015b331..cb88de883 100644
--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@@ -99,15 +99,49 @@ struct fvar
 				  axisCount * axisSize + instanceCount * instanceSize));
   }
 
-  inline const AxisRecord * get_axes (void) const
-  { return &StructAtOffset<AxisRecord> (this, things); }
-
-  inline const InstanceRecord * get_instances (void) const
-  { return &StructAtOffset<InstanceRecord> (get_axes () + axisCount, 0); }
-
   inline unsigned int get_axis_count (void) const
   { return axisCount; }
 
+  inline bool get_axis (unsigned int index, hb_ot_var_axis_t *info) const
+  {
+    if (unlikely (index >= axisCount))
+      return false;
+
+    if (info)
+    {
+      const AxisRecord &axis = get_axes ()[index];
+      info->tag = axis.axisTag;
+      info->name_id =  axis.axisNameID;
+      info->default_value = axis.defaultValue / 65536.;
+      /* Ensure order, to simplify client math. */
+      info->min_value = MIN<float> (info->default_value, axis.minValue / 65536.);
+      info->max_value = MAX<float> (info->default_value, axis.maxValue / 65536.);
+    }
+
+    return true;
+  }
+
+  inline unsigned int get_axis_infos (unsigned int      start_offset,
+				      unsigned int     *axes_count /* IN/OUT */,
+				      hb_ot_var_axis_t *axes_array /* OUT */) const
+  {
+    if (axes_count)
+    {
+      unsigned int count = axisCount;
+      start_offset = MIN (start_offset, count);
+
+      count -= start_offset;
+      axes_array += start_offset;
+
+      count = MIN (count, *axes_count);
+      *axes_count = count;
+
+      for (unsigned int i = 0; i < count; i++)
+	get_axis (start_offset + i, axes_array + i);
+    }
+    return axisCount;
+  }
+
   inline bool find_axis (hb_tag_t tag, unsigned int *index, hb_ot_var_axis_t *info) const
   {
     const AxisRecord *axes = get_axes ();
@@ -117,27 +151,17 @@ struct fvar
       {
         if (index)
 	  *index = i;
-	if (info)
-	{
-	  const AxisRecord &axis = axes[i];
-	  info->tag = axis.axisTag;
-	  info->name_id =  axis.axisNameID;
-	  info->default_value = axis.defaultValue / 65536.;
-	  /* Ensure order, to simplify client math. */
-	  info->min_value = MIN<float> (info->default_value, axis.minValue / 65536.);
-	  info->max_value = MAX<float> (info->default_value, axis.maxValue / 65536.);
-	}
-        return true;
+	return get_axis (i, info);
       }
     if (index)
       *index = HB_OT_VAR_NO_AXIS_INDEX;
     return false;
   }
 
-  inline int normalize_axis_value (hb_tag_t tag, float v, unsigned int *axis_index) const
+  inline int normalize_axis_value (unsigned int axis_index, float v) const
   {
     hb_ot_var_axis_t axis;
-    if (!find_axis (tag, axis_index, &axis))
+    if (!get_axis (axis_index, &axis))
       return 0;
 
     v = MAX (MIN (v, axis.max_value), axis.min_value); /* Clamp. */
@@ -151,6 +175,13 @@ struct fvar
     return (int) (v * 16384. + (v >= 0. ? .5 : -.5));
   }
 
+  protected:
+  inline const AxisRecord * get_axes (void) const
+  { return &StructAtOffset<AxisRecord> (this, things); }
+
+  inline const InstanceRecord * get_instances (void) const
+  { return &StructAtOffset<InstanceRecord> (get_axes () + axisCount, 0); }
+
   protected:
   FixedVersion<>version;	/* Version of the fvar table
 				 * initially set to 0x00010000u */
diff --git a/src/hb-ot-var.cc b/src/hb-ot-var.cc
index c9dcb1f7b..d1e97257c 100644
--- a/src/hb-ot-var.cc
+++ b/src/hb-ot-var.cc
@@ -43,7 +43,7 @@ _get_fvar (hb_face_t *face)
 }
 
 /*
- * OT::fvar
+ * fvar/avar
  */
 
 /**
@@ -51,6 +51,7 @@ _get_fvar (hb_face_t *face)
  * @face: #hb_face_t to test
  *
  * This function allows to verify the presence of OpenType variation data on the face.
+ * Alternatively, use hb_ot_var_get_axis_count().
  *
  * Return value: true if face has a `fvar' table and false otherwise
  *
@@ -61,3 +62,39 @@ hb_ot_var_has_data (hb_face_t *face)
 {
   return &_get_fvar (face) != &OT::Null(OT::fvar);
 }
+
+unsigned int
+hb_ot_var_get_axis_count (hb_face_t *face)
+{
+  const OT::fvar &fvar = _get_fvar (face);
+  return fvar.get_axis_count ();
+}
+
+unsigned int
+hb_ot_var_get_axes (hb_face_t        *face,
+		    unsigned int      start_offset,
+		    unsigned int     *axes_count /* IN/OUT */,
+		    hb_ot_var_axis_t *axes_array /* OUT */)
+{
+  const OT::fvar &fvar = _get_fvar (face);
+  return fvar.get_axis_infos (start_offset, axes_count, axes_array);
+}
+
+HB_EXTERN hb_bool_t
+hb_ot_var_find_axis (hb_face_t        *face,
+		     hb_tag_t          axis_tag,
+		     unsigned int     *axis_index,
+		     hb_ot_var_axis_t *axis_info)
+{
+  const OT::fvar &fvar = _get_fvar (face);
+  return fvar.find_axis (axis_tag, axis_index, axis_info);
+}
+
+HB_EXTERN int
+hb_ot_var_normalize_axis_value (hb_face_t    *face,
+				unsigned int  axis_index,
+				float         v)
+{
+  const OT::fvar &fvar = _get_fvar (face);
+  return fvar.normalize_axis_value (axis_index, v);
+}
diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
index fd7a5aaf0..4023b29f4 100644
--- a/src/hb-ot-var.h
+++ b/src/hb-ot-var.h
@@ -62,7 +62,14 @@ hb_ot_var_has_data (hb_face_t *face);
 
 #define HB_OT_VAR_NO_AXIS_INDEX		0xFFFFFFFFu
 
-#if 0
+HB_EXTERN unsigned int
+hb_ot_var_get_axis_count (hb_face_t *face);
+
+HB_EXTERN unsigned int
+hb_ot_var_get_axes (hb_face_t        *face,
+		    unsigned int      start_offset,
+		    unsigned int     *axes_count /* IN/OUT */,
+		    hb_ot_var_axis_t *axes_array /* OUT */);
 
 HB_EXTERN hb_bool_t
 hb_ot_var_find_axis (hb_face_t        *face,
@@ -70,13 +77,13 @@ hb_ot_var_find_axis (hb_face_t        *face,
 		     unsigned int     *axis_index,
 		     hb_ot_var_axis_t *axis_info);
 
-HB_EXTERN unsigned int
-Xhb_ot_var_get_axes (hb_face_t        *face,
-		    unsigned int      start_offset,
-		    unsigned int     *axes_count /* IN/OUT */,
-		    hb_ot_var_axis_t *axes_array /* OUT */);
 
-/* TODO Add "find_axis", etc API? Are they needed at all? */
+HB_EXTERN int
+hb_ot_var_normalize_axis_value (hb_face_t    *face,
+				unsigned int  axis_index,
+				float         v);
+
+#if 0
 
 HB_EXTERN unsigned int
 Xhb_ot_var_get_named_instances (hb_face_t        *face, ... );

From 72364103bc9d910d19f23a3764d045af79d076d5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 20 Jan 2017 20:16:53 -0800
Subject: [PATCH 0205/1326] Move code around

---
 src/hb-common.cc | 250 +++++++++++++++++++++++++++++++++++++++++++++++
 src/hb-common.h  |  18 ++++
 src/hb-shape.cc  | 248 ----------------------------------------------
 src/hb-shape.h   |  16 ---
 4 files changed, 268 insertions(+), 264 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 3564e4355..04d9fb09a 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -605,3 +605,253 @@ hb_version_atleast (unsigned int major,
 {
   return HB_VERSION_ATLEAST (major, minor, micro);
 }
+
+
+/* hb_feature_t */
+
+static bool
+parse_space (const char **pp, const char *end)
+{
+  while (*pp < end && ISSPACE (**pp))
+    (*pp)++;
+  return true;
+}
+
+static bool
+parse_char (const char **pp, const char *end, char c)
+{
+  parse_space (pp, end);
+
+  if (*pp == end || **pp != c)
+    return false;
+
+  (*pp)++;
+  return true;
+}
+
+static bool
+parse_uint (const char **pp, const char *end, unsigned int *pv)
+{
+  char buf[32];
+  unsigned int len = MIN (ARRAY_LENGTH (buf) - 1, (unsigned int) (end - *pp));
+  strncpy (buf, *pp, len);
+  buf[len] = '\0';
+
+  char *p = buf;
+  char *pend = p;
+  unsigned int v;
+
+  /* Intentionally use strtol instead of strtoul, such that
+   * -1 turns into "big number"... */
+  errno = 0;
+  v = strtol (p, &pend, 0);
+  if (errno || p == pend)
+    return false;
+
+  *pv = v;
+  *pp += pend - p;
+  return true;
+}
+
+static bool
+parse_bool (const char **pp, const char *end, unsigned int *pv)
+{
+  parse_space (pp, end);
+
+  const char *p = *pp;
+  while (*pp < end && ISALPHA(**pp))
+    (*pp)++;
+
+  /* CSS allows on/off as aliases 1/0. */
+  if (*pp - p == 2 || 0 == strncmp (p, "on", 2))
+    *pv = 1;
+  else if (*pp - p == 3 || 0 == strncmp (p, "off", 2))
+    *pv = 0;
+  else
+    return false;
+
+  return true;
+}
+
+static bool
+parse_feature_value_prefix (const char **pp, const char *end, hb_feature_t *feature)
+{
+  if (parse_char (pp, end, '-'))
+    feature->value = 0;
+  else {
+    parse_char (pp, end, '+');
+    feature->value = 1;
+  }
+
+  return true;
+}
+
+static bool
+parse_feature_tag (const char **pp, const char *end, hb_feature_t *feature)
+{
+  parse_space (pp, end);
+
+  char quote = 0;
+
+  if (*pp < end && (**pp == '\'' || **pp == '"'))
+  {
+    quote = **pp;
+    (*pp)++;
+  }
+
+  const char *p = *pp;
+  while (*pp < end && ISALNUM(**pp))
+    (*pp)++;
+
+  if (p == *pp || *pp - p > 4)
+    return false;
+
+  feature->tag = hb_tag_from_string (p, *pp - p);
+
+  if (quote)
+  {
+    /* CSS expects exactly four bytes.  And we only allow quotations for
+     * CSS compatibility.  So, enforce the length. */
+     if (*pp - p != 4)
+       return false;
+    if (*pp == end || **pp != quote)
+      return false;
+    (*pp)++;
+  }
+
+  return true;
+}
+
+static bool
+parse_feature_indices (const char **pp, const char *end, hb_feature_t *feature)
+{
+  parse_space (pp, end);
+
+  bool has_start;
+
+  feature->start = 0;
+  feature->end = (unsigned int) -1;
+
+  if (!parse_char (pp, end, '['))
+    return true;
+
+  has_start = parse_uint (pp, end, &feature->start);
+
+  if (parse_char (pp, end, ':')) {
+    parse_uint (pp, end, &feature->end);
+  } else {
+    if (has_start)
+      feature->end = feature->start + 1;
+  }
+
+  return parse_char (pp, end, ']');
+}
+
+static bool
+parse_feature_value_postfix (const char **pp, const char *end, hb_feature_t *feature)
+{
+  bool had_equal = parse_char (pp, end, '=');
+  bool had_value = parse_uint (pp, end, &feature->value) ||
+                   parse_bool (pp, end, &feature->value);
+  /* CSS doesn't use equal-sign between tag and value.
+   * If there was an equal-sign, then there *must* be a value.
+   * A value without an eqaul-sign is ok, but not required. */
+  return !had_equal || had_value;
+}
+
+
+static bool
+parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
+{
+  return parse_feature_value_prefix (pp, end, feature) &&
+	 parse_feature_tag (pp, end, feature) &&
+	 parse_feature_indices (pp, end, feature) &&
+	 parse_feature_value_postfix (pp, end, feature) &&
+	 parse_space (pp, end) &&
+	 *pp == end;
+}
+
+/**
+ * hb_feature_from_string:
+ * @str: (array length=len) (element-type uint8_t): a string to parse
+ * @len: length of @str, or -1 if string is %NULL terminated
+ * @feature: (out): the #hb_feature_t to initialize with the parsed values
+ *
+ * Parses a string into a #hb_feature_t.
+ *
+ * TODO: document the syntax here.
+ *
+ * Return value:
+ * %true if @str is successfully parsed, %false otherwise.
+ *
+ * Since: 0.9.5
+ **/
+hb_bool_t
+hb_feature_from_string (const char *str, int len,
+			hb_feature_t *feature)
+{
+  hb_feature_t feat;
+
+  if (len < 0)
+    len = strlen (str);
+
+  if (likely (parse_one_feature (&str, str + len, &feat)))
+  {
+    if (feature)
+      *feature = feat;
+    return true;
+  }
+
+  if (feature)
+    memset (feature, 0, sizeof (*feature));
+  return false;
+}
+
+/**
+ * hb_feature_to_string:
+ * @feature: an #hb_feature_t to convert
+ * @buf: (array length=size) (out): output string
+ * @size: the allocated size of @buf
+ *
+ * Converts a #hb_feature_t into a %NULL-terminated string in the format
+ * understood by hb_feature_from_string(). The client in responsible for
+ * allocating big enough size for @buf, 128 bytes is more than enough.
+ *
+ * Since: 0.9.5
+ **/
+void
+hb_feature_to_string (hb_feature_t *feature,
+		      char *buf, unsigned int size)
+{
+  if (unlikely (!size)) return;
+
+  char s[128];
+  unsigned int len = 0;
+  if (feature->value == 0)
+    s[len++] = '-';
+  hb_tag_to_string (feature->tag, s + len);
+  len += 4;
+  while (len && s[len - 1] == ' ')
+    len--;
+  if (feature->start != 0 || feature->end != (unsigned int) -1)
+  {
+    s[len++] = '[';
+    if (feature->start)
+      len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%u", feature->start));
+    if (feature->end != feature->start + 1) {
+      s[len++] = ':';
+      if (feature->end != (unsigned int) -1)
+	len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%u", feature->end));
+    }
+    s[len++] = ']';
+  }
+  if (feature->value > 1)
+  {
+    s[len++] = '=';
+    len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%u", feature->value));
+  }
+  assert (len < ARRAY_LENGTH (s));
+  len = MIN (len, size - 1);
+  memcpy (buf, s, len);
+  buf[len] = '\0';
+}
diff --git a/src/hb-common.h b/src/hb-common.h
index 2cbee76a8..dd72a9dd2 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -362,6 +362,24 @@ typedef struct hb_user_data_key_t {
 typedef void (*hb_destroy_func_t) (void *user_data);
 
 
+/* Font features. */
+
+typedef struct hb_feature_t {
+  hb_tag_t      tag;
+  uint32_t      value;
+  unsigned int  start;
+  unsigned int  end;
+} hb_feature_t;
+
+HB_EXTERN hb_bool_t
+hb_feature_from_string (const char *str, int len,
+			hb_feature_t *feature);
+
+HB_EXTERN void
+hb_feature_to_string (hb_feature_t *feature,
+		      char *buf, unsigned int size);
+
+
 HB_END_DECLS
 
 #endif /* HB_COMMON_H */
diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index 706f14420..f57cad903 100644
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -45,254 +45,6 @@
  * contains the output glyphs and their positions.
  **/
 
-static bool
-parse_space (const char **pp, const char *end)
-{
-  while (*pp < end && ISSPACE (**pp))
-    (*pp)++;
-  return true;
-}
-
-static bool
-parse_char (const char **pp, const char *end, char c)
-{
-  parse_space (pp, end);
-
-  if (*pp == end || **pp != c)
-    return false;
-
-  (*pp)++;
-  return true;
-}
-
-static bool
-parse_uint (const char **pp, const char *end, unsigned int *pv)
-{
-  char buf[32];
-  unsigned int len = MIN (ARRAY_LENGTH (buf) - 1, (unsigned int) (end - *pp));
-  strncpy (buf, *pp, len);
-  buf[len] = '\0';
-
-  char *p = buf;
-  char *pend = p;
-  unsigned int v;
-
-  /* Intentionally use strtol instead of strtoul, such that
-   * -1 turns into "big number"... */
-  errno = 0;
-  v = strtol (p, &pend, 0);
-  if (errno || p == pend)
-    return false;
-
-  *pv = v;
-  *pp += pend - p;
-  return true;
-}
-
-static bool
-parse_bool (const char **pp, const char *end, unsigned int *pv)
-{
-  parse_space (pp, end);
-
-  const char *p = *pp;
-  while (*pp < end && ISALPHA(**pp))
-    (*pp)++;
-
-  /* CSS allows on/off as aliases 1/0. */
-  if (*pp - p == 2 || 0 == strncmp (p, "on", 2))
-    *pv = 1;
-  else if (*pp - p == 3 || 0 == strncmp (p, "off", 2))
-    *pv = 0;
-  else
-    return false;
-
-  return true;
-}
-
-static bool
-parse_feature_value_prefix (const char **pp, const char *end, hb_feature_t *feature)
-{
-  if (parse_char (pp, end, '-'))
-    feature->value = 0;
-  else {
-    parse_char (pp, end, '+');
-    feature->value = 1;
-  }
-
-  return true;
-}
-
-static bool
-parse_feature_tag (const char **pp, const char *end, hb_feature_t *feature)
-{
-  parse_space (pp, end);
-
-  char quote = 0;
-
-  if (*pp < end && (**pp == '\'' || **pp == '"'))
-  {
-    quote = **pp;
-    (*pp)++;
-  }
-
-  const char *p = *pp;
-  while (*pp < end && ISALNUM(**pp))
-    (*pp)++;
-
-  if (p == *pp || *pp - p > 4)
-    return false;
-
-  feature->tag = hb_tag_from_string (p, *pp - p);
-
-  if (quote)
-  {
-    /* CSS expects exactly four bytes.  And we only allow quotations for
-     * CSS compatibility.  So, enforce the length. */
-     if (*pp - p != 4)
-       return false;
-    if (*pp == end || **pp != quote)
-      return false;
-    (*pp)++;
-  }
-
-  return true;
-}
-
-static bool
-parse_feature_indices (const char **pp, const char *end, hb_feature_t *feature)
-{
-  parse_space (pp, end);
-
-  bool has_start;
-
-  feature->start = 0;
-  feature->end = (unsigned int) -1;
-
-  if (!parse_char (pp, end, '['))
-    return true;
-
-  has_start = parse_uint (pp, end, &feature->start);
-
-  if (parse_char (pp, end, ':')) {
-    parse_uint (pp, end, &feature->end);
-  } else {
-    if (has_start)
-      feature->end = feature->start + 1;
-  }
-
-  return parse_char (pp, end, ']');
-}
-
-static bool
-parse_feature_value_postfix (const char **pp, const char *end, hb_feature_t *feature)
-{
-  bool had_equal = parse_char (pp, end, '=');
-  bool had_value = parse_uint (pp, end, &feature->value) ||
-                   parse_bool (pp, end, &feature->value);
-  /* CSS doesn't use equal-sign between tag and value.
-   * If there was an equal-sign, then there *must* be a value.
-   * A value without an eqaul-sign is ok, but not required. */
-  return !had_equal || had_value;
-}
-
-
-static bool
-parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
-{
-  return parse_feature_value_prefix (pp, end, feature) &&
-	 parse_feature_tag (pp, end, feature) &&
-	 parse_feature_indices (pp, end, feature) &&
-	 parse_feature_value_postfix (pp, end, feature) &&
-	 parse_space (pp, end) &&
-	 *pp == end;
-}
-
-/**
- * hb_feature_from_string:
- * @str: (array length=len) (element-type uint8_t): a string to parse
- * @len: length of @str, or -1 if string is %NULL terminated
- * @feature: (out): the #hb_feature_t to initialize with the parsed values
- *
- * Parses a string into a #hb_feature_t.
- *
- * TODO: document the syntax here.
- *
- * Return value:
- * %true if @str is successfully parsed, %false otherwise.
- *
- * Since: 0.9.5
- **/
-hb_bool_t
-hb_feature_from_string (const char *str, int len,
-			hb_feature_t *feature)
-{
-  hb_feature_t feat;
-
-  if (len < 0)
-    len = strlen (str);
-
-  if (likely (parse_one_feature (&str, str + len, &feat)))
-  {
-    if (feature)
-      *feature = feat;
-    return true;
-  }
-
-  if (feature)
-    memset (feature, 0, sizeof (*feature));
-  return false;
-}
-
-/**
- * hb_feature_to_string:
- * @feature: an #hb_feature_t to convert
- * @buf: (array length=size) (out): output string
- * @size: the allocated size of @buf
- *
- * Converts a #hb_feature_t into a %NULL-terminated string in the format
- * understood by hb_feature_from_string(). The client in responsible for
- * allocating big enough size for @buf, 128 bytes is more than enough.
- *
- * Since: 0.9.5
- **/
-void
-hb_feature_to_string (hb_feature_t *feature,
-		      char *buf, unsigned int size)
-{
-  if (unlikely (!size)) return;
-
-  char s[128];
-  unsigned int len = 0;
-  if (feature->value == 0)
-    s[len++] = '-';
-  hb_tag_to_string (feature->tag, s + len);
-  len += 4;
-  while (len && s[len - 1] == ' ')
-    len--;
-  if (feature->start != 0 || feature->end != (unsigned int) -1)
-  {
-    s[len++] = '[';
-    if (feature->start)
-      len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%u", feature->start));
-    if (feature->end != feature->start + 1) {
-      s[len++] = ':';
-      if (feature->end != (unsigned int) -1)
-	len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%u", feature->end));
-    }
-    s[len++] = ']';
-  }
-  if (feature->value > 1)
-  {
-    s[len++] = '=';
-    len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%u", feature->value));
-  }
-  assert (len < ARRAY_LENGTH (s));
-  len = MIN (len, size - 1);
-  memcpy (buf, s, len);
-  buf[len] = '\0';
-}
-
-
 static const char **static_shaper_list;
 
 #ifdef HB_USE_ATEXIT
diff --git a/src/hb-shape.h b/src/hb-shape.h
index 53bb845bf..39507ff74 100644
--- a/src/hb-shape.h
+++ b/src/hb-shape.h
@@ -40,22 +40,6 @@
 HB_BEGIN_DECLS
 
 
-typedef struct hb_feature_t {
-  hb_tag_t      tag;
-  uint32_t      value;
-  unsigned int  start;
-  unsigned int  end;
-} hb_feature_t;
-
-HB_EXTERN hb_bool_t
-hb_feature_from_string (const char *str, int len,
-			hb_feature_t *feature);
-
-HB_EXTERN void
-hb_feature_to_string (hb_feature_t *feature,
-		      char *buf, unsigned int size);
-
-
 HB_EXTERN void
 hb_shape (hb_font_t           *font,
 	  hb_buffer_t         *buffer,

From b3c0714b4bbb726b2b3e5e0416ac84cb5c6eb34e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 20 Jan 2017 20:30:03 -0800
Subject: [PATCH 0206/1326] [var] Add hb_var_coord_t and parsing routines

---
 src/hb-common.cc | 94 +++++++++++++++++++++++++++++++++++++++++++++---
 src/hb-common.h  | 15 +++++++-
 2 files changed, 103 insertions(+), 6 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 04d9fb09a..25c979c59 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -607,7 +607,8 @@ hb_version_atleast (unsigned int major,
 }
 
 
-/* hb_feature_t */
+
+/* hb_feature_t and hb_var_coord_t */
 
 static bool
 parse_space (const char **pp, const char *end)
@@ -653,6 +654,28 @@ parse_uint (const char **pp, const char *end, unsigned int *pv)
   return true;
 }
 
+static bool
+parse_float (const char **pp, const char *end, float *pv)
+{
+  char buf[32];
+  unsigned int len = MIN (ARRAY_LENGTH (buf) - 1, (unsigned int) (end - *pp));
+  strncpy (buf, *pp, len);
+  buf[len] = '\0';
+
+  char *p = buf;
+  char *pend = p;
+  float v;
+
+  errno = 0;
+  v = strtof (p, &pend);
+  if (errno || p == pend)
+    return false;
+
+  *pv = v;
+  *pp += pend - p;
+  return true;
+}
+
 static bool
 parse_bool (const char **pp, const char *end, unsigned int *pv)
 {
@@ -673,6 +696,8 @@ parse_bool (const char **pp, const char *end, unsigned int *pv)
   return true;
 }
 
+/* hb_feature_t */
+
 static bool
 parse_feature_value_prefix (const char **pp, const char *end, hb_feature_t *feature)
 {
@@ -687,7 +712,7 @@ parse_feature_value_prefix (const char **pp, const char *end, hb_feature_t *feat
 }
 
 static bool
-parse_feature_tag (const char **pp, const char *end, hb_feature_t *feature)
+parse_tag (const char **pp, const char *end, hb_tag_t *tag)
 {
   parse_space (pp, end);
 
@@ -706,7 +731,7 @@ parse_feature_tag (const char **pp, const char *end, hb_feature_t *feature)
   if (p == *pp || *pp - p > 4)
     return false;
 
-  feature->tag = hb_tag_from_string (p, *pp - p);
+  *tag = hb_tag_from_string (p, *pp - p);
 
   if (quote)
   {
@@ -759,12 +784,11 @@ parse_feature_value_postfix (const char **pp, const char *end, hb_feature_t *fea
   return !had_equal || had_value;
 }
 
-
 static bool
 parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
 {
   return parse_feature_value_prefix (pp, end, feature) &&
-	 parse_feature_tag (pp, end, feature) &&
+	 parse_tag (pp, end, &feature->tag) &&
 	 parse_feature_indices (pp, end, feature) &&
 	 parse_feature_value_postfix (pp, end, feature) &&
 	 parse_space (pp, end) &&
@@ -855,3 +879,63 @@ hb_feature_to_string (hb_feature_t *feature,
   memcpy (buf, s, len);
   buf[len] = '\0';
 }
+
+/* hb_var_coord_t */
+
+static bool
+parse_var_coord_value (const char **pp, const char *end, hb_var_coord_t *var_coord)
+{
+  parse_char (pp, end, '='); /* Optional. */
+  return parse_float (pp, end, &var_coord->value);
+}
+
+static bool
+parse_one_var_coord (const char **pp, const char *end, hb_var_coord_t *var_coord)
+{
+  return parse_tag (pp, end, &var_coord->tag) &&
+	 parse_var_coord_value (pp, end, var_coord) &&
+	 parse_space (pp, end) &&
+	 *pp == end;
+}
+
+hb_bool_t
+hb_var_coord_from_string (const char *str, int len,
+			  hb_var_coord_t *var_coord)
+{
+  hb_var_coord_t coord;
+
+  if (len < 0)
+    len = strlen (str);
+
+  if (likely (parse_one_var_coord (&str, str + len, &coord)))
+  {
+    if (var_coord)
+      *var_coord = coord;
+    return true;
+  }
+
+  if (var_coord)
+    memset (var_coord, 0, sizeof (*var_coord));
+  return false;
+}
+
+void
+hb_var_coord_to_string (hb_var_coord_t *var_coord,
+			char *buf, unsigned int size)
+{
+  if (unlikely (!size)) return;
+
+  char s[128];
+  unsigned int len = 0;
+  hb_tag_to_string (var_coord->tag, s + len);
+  len += 4;
+  while (len && s[len - 1] == ' ')
+    len--;
+  s[len++] = '=';
+  len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%g", var_coord->value));
+
+  assert (len < ARRAY_LENGTH (s));
+  len = MIN (len, size - 1);
+  memcpy (buf, s, len);
+  buf[len] = '\0';
+}
diff --git a/src/hb-common.h b/src/hb-common.h
index dd72a9dd2..e483fb857 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -362,7 +362,7 @@ typedef struct hb_user_data_key_t {
 typedef void (*hb_destroy_func_t) (void *user_data);
 
 
-/* Font features. */
+/* Font features and variations. */
 
 typedef struct hb_feature_t {
   hb_tag_t      tag;
@@ -379,6 +379,19 @@ HB_EXTERN void
 hb_feature_to_string (hb_feature_t *feature,
 		      char *buf, unsigned int size);
 
+typedef struct hb_var_coord_t {
+  hb_tag_t tag;
+  float    value;
+} hb_var_coord_t;
+
+HB_EXTERN hb_bool_t
+hb_var_coord_from_string (const char *str, int len,
+			  hb_var_coord_t *var_coord);
+
+HB_EXTERN void
+hb_var_coord_to_string (hb_var_coord_t *var_coord,
+			char *buf, unsigned int size);
+
 
 HB_END_DECLS
 

From bf0d3a665baac9e33c0f774b22197c321b864c80 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 14:48:46 -0800
Subject: [PATCH 0207/1326] [var] Add hb_font_get_var_coords_normalized()

---
 src/hb-font.cc | 10 ++++++++++
 src/hb-font.h  |  4 ++++
 2 files changed, 14 insertions(+)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index b91a35b67..a8b9e4c3b 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1565,6 +1565,16 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   font->num_coords = coords_length;
 }
 
+int *
+hb_font_get_var_coords_normalized (hb_font_t *font,
+				   unsigned int *length)
+{
+  if (length)
+    *length = font->coords_length;
+
+  return font->coords;
+}
+
 
 #ifndef HB_DISABLE_DEPRECATED
 
diff --git a/src/hb-font.h b/src/hb-font.h
index 881328672..5f22331b6 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -609,6 +609,10 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
 				   int *coords, /* XXX 2.14 normalized */
 				   unsigned int coords_length);
 
+HB_EXTERN int *
+hb_font_get_var_coords_normalized (hb_font_t *font,
+				   unsigned int *length);
+
 HB_END_DECLS
 
 #endif /* HB_FONT_H */

From 0dcc7b49a830e2680d3e6d86d953efab85cef6ff Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 14:50:22 -0800
Subject: [PATCH 0208/1326] [var] Minor lifecycle adjustment

---
 src/hb-font.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index a8b9e4c3b..e2a0a5f0f 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1556,11 +1556,11 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   if (unlikely (coords_length && !copy))
     return;
 
-  free (font->coords);
-
   if (coords_length)
     memcpy (copy, coords, coords_length * sizeof (coords[0]));
 
+  free (font->coords);
+
   font->coords = copy;
   font->num_coords = coords_length;
 }

From 8b2a58047095604dcdc576ecbe3e8c2ebb8f48f0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 15:05:00 -0800
Subject: [PATCH 0209/1326] [var] Add hb_font_set_var_coords_design()

---
 src/hb-font.cc | 21 +++++++++++++++++++--
 src/hb-font.h  |  7 ++++++-
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index e2a0a5f0f..e7f57529d 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1543,10 +1543,27 @@ hb_font_get_ppem (hb_font_t *font,
   if (y_ppem) *y_ppem = font->y_ppem;
 }
 
+/*
+ * Variations
+ */
+
+void
+hb_font_set_var_coords_design (hb_font_t *font,
+			       float *coords,
+			       unsigned int coords_length)
+{
+  int normalized[coords_length]; // XXX Remove variable-length array use...
+
+  hb_face_t *face = font->face;
+  for (unsigned int i = 0; i < coords_length; i++)
+    normalized[i] = hb_ot_var_normalize_axis_value (face, i, coords[i]);
+
+  hb_font_set_var_coords_normalized (font, normalized, coords_length);
+}
 
 void
 hb_font_set_var_coords_normalized (hb_font_t *font,
-				   int *coords, /* XXX 2.14 normalized */
+				   int *coords, /* 2.14 normalized */
 				   unsigned int coords_length)
 {
   if (font->immutable)
@@ -1570,7 +1587,7 @@ hb_font_get_var_coords_normalized (hb_font_t *font,
 				   unsigned int *length)
 {
   if (length)
-    *length = font->coords_length;
+    *length = font->num_coords;
 
   return font->coords;
 }
diff --git a/src/hb-font.h b/src/hb-font.h
index 5f22331b6..31e5971b1 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -604,9 +604,14 @@ hb_font_get_ppem (hb_font_t *font,
 		  unsigned int *y_ppem);
 
 
+HB_EXTERN void
+hb_font_set_var_coords_design (hb_font_t *font,
+			       float *coords,
+			       unsigned int coords_length);
+
 HB_EXTERN void
 hb_font_set_var_coords_normalized (hb_font_t *font,
-				   int *coords, /* XXX 2.14 normalized */
+				   int *coords, /* 2.14 normalized */
 				   unsigned int coords_length);
 
 HB_EXTERN int *

From 2d40923ca914c90304d07d6e7b9b1040c79c76fe Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 15:06:15 -0800
Subject: [PATCH 0210/1326] Minor

---
 src/hb-ot-math.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-math.cc b/src/hb-ot-math.cc
index ec8df2c25..eb08badbd 100644
--- a/src/hb-ot-math.cc
+++ b/src/hb-ot-math.cc
@@ -120,7 +120,7 @@ hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
 
 /**
  * hb_ot_math_is_glyph_extended_shape:
- * @font: a #hb_font_t to test
+ * @face: a #hb_face_t to test
  * @glyph: a glyph index to test
  *
  * Return value: true if the glyph is an extended shape, false otherwise

From 113393efec5e0c4c10c141a6d4b801d50fcd8ab8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 15:12:03 -0800
Subject: [PATCH 0211/1326] Remove a few unused includes

---
 src/hb-face.cc      | 6 +-----
 src/hb-font.cc      | 7 -------
 src/hb-ot-layout.cc | 5 +----
 src/hb-ot-tag.cc    | 3 ---
 4 files changed, 2 insertions(+), 19 deletions(-)

diff --git a/src/hb-face.cc b/src/hb-face.cc
index 6b563bc8f..1ba970707 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -28,15 +28,11 @@
 
 #include "hb-private.hh"
 
-#include "hb-ot-layout-private.hh"
-
-#include "hb-font-private.hh"
+#include "hb-face-private.hh"
 #include "hb-open-file-private.hh"
 #include "hb-ot-head-table.hh"
 #include "hb-ot-maxp-table.hh"
 
-#include <string.h>
-
 
 /*
  * hb_face_t
diff --git a/src/hb-font.cc b/src/hb-font.cc
index e7f57529d..08c00bfc0 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -28,14 +28,7 @@
 
 #include "hb-private.hh"
 
-#include "hb-ot-layout-private.hh"
-
 #include "hb-font-private.hh"
-#include "hb-open-file-private.hh"
-#include "hb-ot-head-table.hh"
-#include "hb-ot-maxp-table.hh"
-
-#include <string.h>
 
 
 /*
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index d8d628480..d7ededd8d 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -34,13 +34,10 @@
 #include "hb-ot-layout-gdef-table.hh"
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
-#include "hb-ot-layout-jstf-table.hh"
+#include "hb-ot-layout-jstf-table.hh" // Just so we compile it; unused otherwise.
 
 #include "hb-ot-map-private.hh"
 
-#include <stdlib.h>
-#include <string.h>
-
 
 HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
 
diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 5c348e898..9b0db507b 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -28,9 +28,6 @@
 
 #include "hb-private.hh"
 
-#include <string.h>
-
-
 
 /* hb_script_t */
 

From 2491134b386507f611a47e43e3f7c2766d0d288b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 15:21:50 -0800
Subject: [PATCH 0212/1326] [var] Add hb_font_set_var_coords()

---
 src/hb-font.cc | 38 ++++++++++++++++++++++++++++++++++++--
 src/hb-font.h  |  8 ++++++--
 2 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 08c00bfc0..1b4ed7e24 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1540,11 +1540,45 @@ hb_font_get_ppem (hb_font_t *font,
  * Variations
  */
 
+void
+hb_font_set_var_coords (hb_font_t *font,
+			const hb_var_coord_t *coords,
+			unsigned int coords_length)
+{
+  if (font->immutable)
+    return;
+
+  if (!coords_length)
+  {
+    hb_font_set_var_coords_normalized (font, NULL, 0);
+    return;
+  }
+
+  hb_face_t *face = font->face;
+
+  unsigned int length = hb_ot_var_get_axis_count (face);
+  int normalized[length]; // XXX Remove variable-length array use...
+
+  memset (normalized, 0, length * sizeof (normalized[0]));
+
+  for (unsigned int i = 0; i < coords_length; i++)
+  {
+    unsigned int axis_index;
+    if (hb_ot_var_find_axis (face, coords[i].tag, &axis_index, NULL))
+      normalized[axis_index] = hb_ot_var_normalize_axis_value (face, axis_index, coords[i].value);
+  }
+
+  hb_font_set_var_coords_normalized (font, normalized, coords_length);
+}
+
 void
 hb_font_set_var_coords_design (hb_font_t *font,
-			       float *coords,
+			       const float *coords,
 			       unsigned int coords_length)
 {
+  if (font->immutable)
+    return;
+
   int normalized[coords_length]; // XXX Remove variable-length array use...
 
   hb_face_t *face = font->face;
@@ -1556,7 +1590,7 @@ hb_font_set_var_coords_design (hb_font_t *font,
 
 void
 hb_font_set_var_coords_normalized (hb_font_t *font,
-				   int *coords, /* 2.14 normalized */
+				   const int *coords, /* 2.14 normalized */
 				   unsigned int coords_length)
 {
   if (font->immutable)
diff --git a/src/hb-font.h b/src/hb-font.h
index 31e5971b1..83eb68c98 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -603,15 +603,19 @@ hb_font_get_ppem (hb_font_t *font,
 		  unsigned int *x_ppem,
 		  unsigned int *y_ppem);
 
+HB_EXTERN void
+hb_font_set_var_coords (hb_font_t *font,
+			const hb_var_coord_t *coords,
+			unsigned int coords_length);
 
 HB_EXTERN void
 hb_font_set_var_coords_design (hb_font_t *font,
-			       float *coords,
+			       const float *coords,
 			       unsigned int coords_length);
 
 HB_EXTERN void
 hb_font_set_var_coords_normalized (hb_font_t *font,
-				   int *coords, /* 2.14 normalized */
+				   const int *coords, /* 2.14 normalized */
 				   unsigned int coords_length);
 
 HB_EXTERN int *

From 64fe92bf2d43a0ea31743d774e073f202021dbd1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 15:36:35 -0800
Subject: [PATCH 0213/1326] [var] Remove use of variable-length arrays

---
 src/hb-font.cc | 30 +++++++++++++++++++++---------
 1 file changed, 21 insertions(+), 9 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 1b4ed7e24..39d176914 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1540,6 +1540,17 @@ hb_font_get_ppem (hb_font_t *font,
  * Variations
  */
 
+static void
+_hb_font_adopt_var_coords_normalized (hb_font_t *font,
+				      int *coords, /* 2.14 normalized */
+				      unsigned int coords_length)
+{
+  free (font->coords);
+
+  font->coords = coords;
+  font->num_coords = coords_length;
+}
+
 void
 hb_font_set_var_coords (hb_font_t *font,
 			const hb_var_coord_t *coords,
@@ -1557,10 +1568,12 @@ hb_font_set_var_coords (hb_font_t *font,
   hb_face_t *face = font->face;
 
   unsigned int length = hb_ot_var_get_axis_count (face);
-  int normalized[length]; // XXX Remove variable-length array use...
 
-  memset (normalized, 0, length * sizeof (normalized[0]));
+  int *normalized = length ? (int *) calloc (length, sizeof (int)) : NULL;
+  if (unlikely (length && !normalized))
+    return;
 
+  /* normalized is filled with zero already. */
   for (unsigned int i = 0; i < coords_length; i++)
   {
     unsigned int axis_index;
@@ -1568,7 +1581,7 @@ hb_font_set_var_coords (hb_font_t *font,
       normalized[axis_index] = hb_ot_var_normalize_axis_value (face, axis_index, coords[i].value);
   }
 
-  hb_font_set_var_coords_normalized (font, normalized, coords_length);
+  _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
 }
 
 void
@@ -1579,13 +1592,15 @@ hb_font_set_var_coords_design (hb_font_t *font,
   if (font->immutable)
     return;
 
-  int normalized[coords_length]; // XXX Remove variable-length array use...
+  int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : NULL;
+  if (unlikely (coords_length && !normalized))
+    return;
 
   hb_face_t *face = font->face;
   for (unsigned int i = 0; i < coords_length; i++)
     normalized[i] = hb_ot_var_normalize_axis_value (face, i, coords[i]);
 
-  hb_font_set_var_coords_normalized (font, normalized, coords_length);
+  _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
 }
 
 void
@@ -1603,10 +1618,7 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   if (coords_length)
     memcpy (copy, coords, coords_length * sizeof (coords[0]));
 
-  free (font->coords);
-
-  font->coords = copy;
-  font->num_coords = coords_length;
+  _hb_font_adopt_var_coords_normalized (font, copy, coords_length);
 }
 
 int *

From bb1e19268f02d4aad2240c52852e72afcf0f79ad Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 17:41:37 -0800
Subject: [PATCH 0214/1326] [var] Rename var_coord to variation

Looks much better.
---
 src/hb-common.cc | 36 ++++++++++++++++++------------------
 src/hb-common.h  | 10 +++++-----
 src/hb-font.cc   | 20 ++++++++++----------
 src/hb-font.h    |  6 +++---
 4 files changed, 36 insertions(+), 36 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 25c979c59..a804f822b 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -608,7 +608,7 @@ hb_version_atleast (unsigned int major,
 
 
 
-/* hb_feature_t and hb_var_coord_t */
+/* hb_feature_t and hb_variation_t */
 
 static bool
 parse_space (const char **pp, const char *end)
@@ -880,59 +880,59 @@ hb_feature_to_string (hb_feature_t *feature,
   buf[len] = '\0';
 }
 
-/* hb_var_coord_t */
+/* hb_variation_t */
 
 static bool
-parse_var_coord_value (const char **pp, const char *end, hb_var_coord_t *var_coord)
+parse_variation_value (const char **pp, const char *end, hb_variation_t *variation)
 {
   parse_char (pp, end, '='); /* Optional. */
-  return parse_float (pp, end, &var_coord->value);
+  return parse_float (pp, end, &variation->value);
 }
 
 static bool
-parse_one_var_coord (const char **pp, const char *end, hb_var_coord_t *var_coord)
+parse_one_variation (const char **pp, const char *end, hb_variation_t *variation)
 {
-  return parse_tag (pp, end, &var_coord->tag) &&
-	 parse_var_coord_value (pp, end, var_coord) &&
+  return parse_tag (pp, end, &variation->tag) &&
+	 parse_variation_value (pp, end, variation) &&
 	 parse_space (pp, end) &&
 	 *pp == end;
 }
 
 hb_bool_t
-hb_var_coord_from_string (const char *str, int len,
-			  hb_var_coord_t *var_coord)
+hb_variation_from_string (const char *str, int len,
+			  hb_variation_t *variation)
 {
-  hb_var_coord_t coord;
+  hb_variation_t var;
 
   if (len < 0)
     len = strlen (str);
 
-  if (likely (parse_one_var_coord (&str, str + len, &coord)))
+  if (likely (parse_one_variation (&str, str + len, &var)))
   {
-    if (var_coord)
-      *var_coord = coord;
+    if (variation)
+      *variation = var;
     return true;
   }
 
-  if (var_coord)
-    memset (var_coord, 0, sizeof (*var_coord));
+  if (variation)
+    memset (variation, 0, sizeof (*variation));
   return false;
 }
 
 void
-hb_var_coord_to_string (hb_var_coord_t *var_coord,
+hb_variation_to_string (hb_variation_t *variation,
 			char *buf, unsigned int size)
 {
   if (unlikely (!size)) return;
 
   char s[128];
   unsigned int len = 0;
-  hb_tag_to_string (var_coord->tag, s + len);
+  hb_tag_to_string (variation->tag, s + len);
   len += 4;
   while (len && s[len - 1] == ' ')
     len--;
   s[len++] = '=';
-  len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%g", var_coord->value));
+  len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%g", variation->value));
 
   assert (len < ARRAY_LENGTH (s));
   len = MIN (len, size - 1);
diff --git a/src/hb-common.h b/src/hb-common.h
index e483fb857..ed0b97dfd 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -379,17 +379,17 @@ HB_EXTERN void
 hb_feature_to_string (hb_feature_t *feature,
 		      char *buf, unsigned int size);
 
-typedef struct hb_var_coord_t {
+typedef struct hb_variation_t {
   hb_tag_t tag;
   float    value;
-} hb_var_coord_t;
+} hb_variation_t;
 
 HB_EXTERN hb_bool_t
-hb_var_coord_from_string (const char *str, int len,
-			  hb_var_coord_t *var_coord);
+hb_variation_from_string (const char *str, int len,
+			  hb_variation_t *variation);
 
 HB_EXTERN void
-hb_var_coord_to_string (hb_var_coord_t *var_coord,
+hb_variation_to_string (hb_variation_t *variation,
 			char *buf, unsigned int size);
 
 
diff --git a/src/hb-font.cc b/src/hb-font.cc
index 39d176914..607bd4893 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1552,14 +1552,14 @@ _hb_font_adopt_var_coords_normalized (hb_font_t *font,
 }
 
 void
-hb_font_set_var_coords (hb_font_t *font,
-			const hb_var_coord_t *coords,
-			unsigned int coords_length)
+hb_font_set_variations (hb_font_t *font,
+			const hb_variation_t *variations,
+			unsigned int variations_length)
 {
   if (font->immutable)
     return;
 
-  if (!coords_length)
+  if (!variations_length)
   {
     hb_font_set_var_coords_normalized (font, NULL, 0);
     return;
@@ -1567,18 +1567,18 @@ hb_font_set_var_coords (hb_font_t *font,
 
   hb_face_t *face = font->face;
 
-  unsigned int length = hb_ot_var_get_axis_count (face);
+  unsigned int coords_length = hb_ot_var_get_axis_count (face);
 
-  int *normalized = length ? (int *) calloc (length, sizeof (int)) : NULL;
-  if (unlikely (length && !normalized))
+  int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : NULL;
+  if (unlikely (coords_length && !normalized))
     return;
 
   /* normalized is filled with zero already. */
-  for (unsigned int i = 0; i < coords_length; i++)
+  for (unsigned int i = 0; i < variations_length; i++)
   {
     unsigned int axis_index;
-    if (hb_ot_var_find_axis (face, coords[i].tag, &axis_index, NULL))
-      normalized[axis_index] = hb_ot_var_normalize_axis_value (face, axis_index, coords[i].value);
+    if (hb_ot_var_find_axis (face, variations[i].tag, &axis_index, NULL))
+      normalized[axis_index] = hb_ot_var_normalize_axis_value (face, axis_index, variations[i].value);
   }
 
   _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
diff --git a/src/hb-font.h b/src/hb-font.h
index 83eb68c98..fce4206df 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -604,9 +604,9 @@ hb_font_get_ppem (hb_font_t *font,
 		  unsigned int *y_ppem);
 
 HB_EXTERN void
-hb_font_set_var_coords (hb_font_t *font,
-			const hb_var_coord_t *coords,
-			unsigned int coords_length);
+hb_font_set_variations (hb_font_t *font,
+			const hb_variation_t *variations,
+			unsigned int variations_length);
 
 HB_EXTERN void
 hb_font_set_var_coords_design (hb_font_t *font,

From 111f3e55178f7cd5a8ae4e8ae111cb48aea4acb5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 17:51:41 -0800
Subject: [PATCH 0215/1326] [util] Add --variations

Is hooked up to the font, but not to FreeType, so raster doesn't show yet.

Documentation needs to be done.
---
 util/options.cc | 91 +++++++++++++++++++++++++++++++++++++++++++++++++
 util/options.hh |  8 ++++-
 2 files changed, 98 insertions(+), 1 deletion(-)

diff --git a/util/options.cc b/util/options.cc
index bc699c1d1..8c79c4ad6 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -254,6 +254,47 @@ parse_features (const char *name G_GNUC_UNUSED,
   return true;
 }
 
+static gboolean
+parse_variations (const char *name G_GNUC_UNUSED,
+	        const char *arg,
+	        gpointer    data,
+	        GError    **error G_GNUC_UNUSED)
+{
+  font_options_t *font_opts = (font_options_t *) data;
+  char *s = (char *) arg;
+  char *p;
+
+  font_opts->num_variations = 0;
+  g_free (font_opts->variations);
+  font_opts->variations = NULL;
+
+  if (!*s)
+    return true;
+
+  /* count the variations first, so we can allocate memory */
+  p = s;
+  do {
+    font_opts->num_variations++;
+    p = strchr (p, ',');
+    if (p)
+      p++;
+  } while (p);
+
+  font_opts->variations = (hb_variation_t *) calloc (font_opts->num_variations, sizeof (*font_opts->variations));
+
+  /* now do the actual parsing */
+  p = s;
+  font_opts->num_variations = 0;
+  while (p && *p) {
+    char *end = strchr (p, ',');
+    if (hb_variation_from_string (p, end ? end - p : -1, &font_opts->variations[font_opts->num_variations]))
+      font_opts->num_variations++;
+    p = end ? end + 1 : NULL;
+  }
+
+  return true;
+}
+
 
 void
 view_options_t::add_options (option_parser_t *parser)
@@ -415,6 +456,54 @@ font_options_t::add_options (option_parser_t *parser)
 		     "Font options:",
 		     "Options controlling the font",
 		     this);
+
+  const gchar *variations_help = "Comma-separated list of font variations\n"
+    "\n"
+    "    XXXXXXXXXXXXXXX\n"
+    "    Features can be enabled or disabled, either globally or limited to\n"
+    "    specific character ranges.  The format for specifying feature settings\n"
+    "    follows.  All valid CSS font-feature-settings values other than 'normal'\n"
+    "    and 'inherited' are also accepted, though, not documented below.\n"
+    "\n"
+    "    The range indices refer to the positions between Unicode characters,\n"
+    "    unless the --utf8-clusters is provided, in which case range indices\n"
+    "    refer to UTF-8 byte indices. The position before the first character\n"
+    "    is always 0.\n"
+    "\n"
+    "    The format is Python-esque.  Here is how it all works:\n"
+    "\n"
+    "      Syntax:       Value:    Start:    End:\n"
+    "\n"
+    "    Setting value:\n"
+    "      \"kern\"        1         0         ∞         # Turn feature on\n"
+    "      \"+kern\"       1         0         ∞         # Turn feature on\n"
+    "      \"-kern\"       0         0         ∞         # Turn feature off\n"
+    "      \"kern=0\"      0         0         ∞         # Turn feature off\n"
+    "      \"kern=1\"      1         0         ∞         # Turn feature on\n"
+    "      \"aalt=2\"      2         0         ∞         # Choose 2nd alternate\n"
+    "\n"
+    "    Setting index:\n"
+    "      \"kern[]\"      1         0         ∞         # Turn feature on\n"
+    "      \"kern[:]\"     1         0         ∞         # Turn feature on\n"
+    "      \"kern[5:]\"    1         5         ∞         # Turn feature on, partial\n"
+    "      \"kern[:5]\"    1         0         5         # Turn feature on, partial\n"
+    "      \"kern[3:5]\"   1         3         5         # Turn feature on, range\n"
+    "      \"kern[3]\"     1         3         3+1       # Turn feature on, single char\n"
+    "\n"
+    "    Mixing it all:\n"
+    "\n"
+    "      \"aalt[3:5]=2\" 2         3         5         # Turn 2nd alternate on for range";
+
+  GOptionEntry entries2[] =
+  {
+    {"variations",	0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_variations,	variations_help,	"list"},
+    {NULL}
+  };
+  parser->add_group (entries2,
+		     "variations",
+		     "Varitions options:",
+		     "Options controlling font variations used",
+		     this);
 }
 
 void
@@ -561,6 +650,8 @@ font_options_t::get_font (void) const
   hb_font_set_scale (font, scale_x, scale_y);
   hb_face_destroy (face);
 
+  hb_font_set_variations (font, variations, num_variations);
+
   void (*set_font_funcs) (hb_font_t *) = NULL;
   if (!font_funcs)
   {
diff --git a/util/options.hh b/util/options.hh
index 919e4f8b2..9ed4fd0e2 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -285,7 +285,10 @@ struct font_options_t : option_group_t
 {
   font_options_t (option_parser_t *parser,
 		  int default_font_size_,
-		  unsigned int subpixel_bits_) {
+		  unsigned int subpixel_bits_)
+  {
+    variations = NULL;
+    num_variations = 0;
     default_font_size = default_font_size_;
     subpixel_bits = subpixel_bits_;
     font_file = NULL;
@@ -299,6 +302,7 @@ struct font_options_t : option_group_t
   }
   ~font_options_t (void) {
     g_free (font_file);
+    free (variations);
     g_free (font_funcs);
     hb_font_destroy (font);
   }
@@ -309,6 +313,8 @@ struct font_options_t : option_group_t
 
   char *font_file;
   int face_index;
+  hb_variation_t *variations;
+  unsigned int num_variations;
   int default_font_size;
   unsigned int subpixel_bits;
   mutable double font_size_x;

From 47ee34e84745756a9aaeb964772377b6c1417ed1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 21 Jan 2017 18:10:08 -0800
Subject: [PATCH 0216/1326] [var] Hook up variations to FreeType face

hb-view correctly renders variations with ft font-funcs now.
hb-ot-font needs HVAR implementation.
---
 src/hb-ft.cc         | 10 ++++++++++
 util/helper-cairo.cc | 16 +++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index d5f8d5295..acb7bb1d0 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -736,6 +736,16 @@ hb_ft_font_set_funcs (hb_font_t *font)
     FT_Set_Transform (ft_face, &matrix, NULL);
   }
 
+  unsigned int num_coords;
+  int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
+  if (num_coords)
+  {
+    FT_Fixed ft_coords[num_coords];
+    for (unsigned int i = 0; i < num_coords; i++)
+      ft_coords[i] = coords[i] << 2;
+    FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords);
+  }
+
   ft_face->generic.data = blob;
   ft_face->generic.finalizer = (FT_Generic_Finalizer) _release_blob;
 
diff --git a/util/helper-cairo.cc b/util/helper-cairo.cc
index 8f30eea14..df5173b59 100644
--- a/util/helper-cairo.cc
+++ b/util/helper-cairo.cc
@@ -28,6 +28,7 @@
 
 #include <cairo-ft.h>
 #include <hb-ft.h>
+#include FT_MULTIPLE_MASTERS_H
 
 #include "helper-cairo-ansi.hh"
 #ifdef CAIRO_HAS_SVG_SURFACE
@@ -76,7 +77,8 @@ helper_cairo_create_scaled_font (const font_options_t *font_opts)
 
   cairo_font_face_t *cairo_face;
   /* We cannot use the FT_Face from hb_font_t, as doing so will confuse hb_font_t because
-   * cairo will reset the face size.  As such, create new face... */
+   * cairo will reset the face size.  As such, create new face...
+   * TODO Perhaps add API to hb-ft to encapsulate this code. */
   FT_Face ft_face = NULL;//hb_ft_font_get_face (font);
   if (!ft_face)
   {
@@ -100,7 +102,19 @@ helper_cairo_create_scaled_font (const font_options_t *font_opts)
 					     CAIRO_FONT_WEIGHT_NORMAL);
   }
   else
+  {
+    unsigned int num_coords;
+    int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
+    if (num_coords)
+    {
+      FT_Fixed ft_coords[num_coords];
+      for (unsigned int i = 0; i < num_coords; i++)
+        ft_coords[i] = coords[i] << 2;
+      FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords);
+    }
+
     cairo_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0);
+  }
   cairo_matrix_t ctm, font_matrix;
   cairo_font_options_t *font_options;
 

From 825e40407da74576f8e83ce0bacad5b0459b83c8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 16:41:45 -0800
Subject: [PATCH 0217/1326] [hb-ft] Remove use of variable-length array

Hopefully also fixes build failure on msvc.
---
 src/hb-ft.cc | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index acb7bb1d0..496fff230 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -621,17 +621,22 @@ hb_ft_font_create (FT_Face           ft_face,
   FT_MM_Var *mm_var = NULL;
   if (!FT_Get_MM_Var (ft_face, &mm_var))
   {
-    FT_Fixed coords[mm_var->num_axis];
-    int hbCoords[mm_var->num_axis];
-    if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, coords))
+    FT_Fixed *ft_coords = (FT_Fixed *) calloc (mm_var->num_axis, sizeof (FT_Fixed));
+    int *coords = (int *) calloc (mm_var->num_axis, sizeof (int));
+    if (coords && ft_coords)
     {
-      for (unsigned int i = 0; i < mm_var->num_axis; ++i)
-	hbCoords[i] = coords[i] >> 2;
+      if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, ft_coords))
+      {
+	for (unsigned int i = 0; i < mm_var->num_axis; ++i)
+	  coords[i] = ft_coords[i] >>= 2;
 
-      hb_font_set_var_coords_normalized (font, hbCoords, mm_var->num_axis);
+	hb_font_set_var_coords_normalized (font, coords, mm_var->num_axis);
+      }
+      free (coords);
+      free (ft_coords);
     }
+    free (mm_var);
   }
-  free (mm_var);
 #endif
 
   return font;
@@ -740,10 +745,14 @@ hb_ft_font_set_funcs (hb_font_t *font)
   int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
   if (num_coords)
   {
-    FT_Fixed ft_coords[num_coords];
-    for (unsigned int i = 0; i < num_coords; i++)
-      ft_coords[i] = coords[i] << 2;
-    FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords);
+    FT_Fixed *ft_coords = (FT_Fixed *) calloc (num_coords, sizeof (FT_Fixed));
+    if (ft_coords)
+    {
+      for (unsigned int i = 0; i < num_coords; i++)
+	ft_coords[i] = coords[i] << 2;
+      FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords);
+      free (ft_coords);
+    }
   }
 
   ft_face->generic.data = blob;

From 5dfd341f51543279039ddafe883c0a1de205fb8a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 16:55:40 -0800
Subject: [PATCH 0218/1326] Minor

---
 src/hb-directwrite.cc | 4 ++--
 src/hb-shape.cc       | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index b5c1113b1..11b935310 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -671,7 +671,7 @@ retry_getglyphs:
   DWRITE_SHAPING_GLYPH_PROPERTIES* glyphProperties = (DWRITE_SHAPING_GLYPH_PROPERTIES*)
     malloc (maxGlyphCount * sizeof (DWRITE_SHAPING_GLYPH_PROPERTIES));
 
-  hr = analyzer->GetGlyphs (textString, textLength, fontFace, FALSE,
+  hr = analyzer->GetGlyphs (textString, textLength, fontFace, false,
     isRightToLeft, &runHead->mScript, localeName, NULL, &dwFeatures,
     featureRangeLengths, 1, maxGlyphCount, clusterMap, textProperties, glyphIndices,
     glyphProperties, &glyphCount);
@@ -719,7 +719,7 @@ retry_getglyphs:
   hr = analyzer->GetGlyphPlacements (textString,
     clusterMap, textProperties, textLength, glyphIndices,
     glyphProperties, glyphCount, fontFace, fontEmSize,
-    FALSE, isRightToLeft, &runHead->mScript, localeName,
+    false, isRightToLeft, &runHead->mScript, localeName,
     &dwFeatures, featureRangeLengths, 1,
     glyphAdvances, glyphOffsets);
 
diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index f57cad903..f080a15e3 100644
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -114,7 +114,7 @@ retry:
  * shapers will be used in the given order, otherwise the default shapers list
  * will be used.
  *
- * Return value: %FALSE if all shapers failed, %TRUE otherwise
+ * Return value: false if all shapers failed, true otherwise
  *
  * Since: 0.9.2
  **/

From d2f249e745a9179943ee39c719b73e1057acbc13 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 17:42:33 -0800
Subject: [PATCH 0219/1326] Stub out doc comments for new symbols

---
 docs/harfbuzz-docs.xml     |  2 +-
 docs/harfbuzz-sections.txt | 35 +++++++++++++++++++++++++++++++++--
 src/hb-common.cc           | 10 ++++++++++
 src/hb-common.h            |  5 +++++
 src/hb-directwrite.cc      |  2 +-
 src/hb-directwrite.h       |  2 +-
 src/hb-font.cc             | 20 ++++++++++++++++++++
 src/hb-ot-var.cc           | 24 ++++++++++++++++++++++--
 src/hb-ot-var.h            | 12 +++++-------
 src/hb-set.cc              |  2 +-
 10 files changed, 99 insertions(+), 15 deletions(-)

diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index 7a42d2378..00113e985 100644
--- a/docs/harfbuzz-docs.xml
+++ b/docs/harfbuzz-docs.xml
@@ -180,7 +180,7 @@
         <title>Index of new symbols in 1.2.3</title>
         <xi:include href="xml/api-index-1.2.3.xml"><xi:fallback /></xi:include>
       </index>
-      <index id="api-index-1.3.3" role="1.3.3">
+      <index id="api-index-1-3-3" role="1.3.3">
         <title>Index of new symbols in 1.3.3</title>
         <xi:include href="xml/api-index-1.3.3.xml"><xi:fallback /></xi:include>
       </index>
diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 270c87c44..b4ae15dd5 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -245,6 +245,7 @@ hb_font_get_scale
 hb_font_get_user_data
 hb_font_get_variation_glyph
 hb_font_get_variation_glyph_func_t
+hb_font_get_var_coords_normalized
 hb_font_glyph_from_string
 hb_font_glyph_to_string
 hb_font_is_immutable
@@ -252,9 +253,16 @@ hb_font_make_immutable
 hb_font_reference
 hb_font_set_funcs
 hb_font_set_funcs_data
+hb_font_set_parent
 hb_font_set_ppem
 hb_font_set_scale
 hb_font_set_user_data
+hb_variation_t
+hb_variation_from_string
+hb_variation_to_string
+hb_font_set_variations
+hb_font_set_var_coords_design
+hb_font_set_var_coords_normalized
 hb_font_subtract_glyph_origin_for_direction
 hb_font_t
 hb_reference_table_func_t
@@ -266,7 +274,6 @@ hb_font_get_font_h_extents_func_t
 hb_font_get_font_v_extents_func_t
 hb_font_get_h_extents
 hb_font_get_v_extents
-hb_font_set_parent
 </SECTION>
 
 <SECTION>
@@ -304,6 +311,9 @@ HB_GOBJECT_TYPE_FONT
 HB_GOBJECT_TYPE_FONT_FUNCS
 HB_GOBJECT_TYPE_MEMORY_MODE
 HB_GOBJECT_TYPE_OT_LAYOUT_GLYPH_CLASS
+HB_GOBJECT_TYPE_OT_MATH_CONSTANT
+HB_GOBJECT_TYPE_OT_MATH_GLYPH_PART_FLAGS
+HB_GOBJECT_TYPE_OT_MATH_KERN
 HB_GOBJECT_TYPE_SCRIPT
 HB_GOBJECT_TYPE_SHAPE_PLAN
 HB_GOBJECT_TYPE_UNICODE_COMBINING_CLASS
@@ -328,6 +338,9 @@ hb_gobject_font_funcs_get_type
 hb_gobject_font_get_type
 hb_gobject_memory_mode_get_type
 hb_gobject_ot_layout_glyph_class_get_type
+hb_gobject_ot_math_constant_get_type
+hb_gobject_ot_math_glyph_part_flags_get_type
+hb_gobject_ot_math_kern_get_type
 hb_gobject_script_get_type
 hb_gobject_shape_plan_get_type
 hb_gobject_unicode_combining_class_get_type
@@ -384,12 +397,14 @@ hb_ot_shape_glyphs_closure
 HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX
 HB_OT_LAYOUT_NO_FEATURE_INDEX
 HB_OT_LAYOUT_NO_SCRIPT_INDEX
+HB_OT_LAYOUT_NO_VARIATIONS_INDEX
 HB_OT_TAG_GDEF
 HB_OT_TAG_GPOS
 HB_OT_TAG_GSUB
 HB_OT_TAG_JSTF
 hb_ot_layout_collect_lookups
 hb_ot_layout_feature_get_lookups
+hb_ot_layout_feature_with_variations_get_lookups
 hb_ot_layout_get_attach_points
 hb_ot_layout_get_glyph_class
 hb_ot_layout_get_glyphs_in_class
@@ -410,6 +425,7 @@ hb_ot_layout_lookup_would_substitute
 hb_ot_layout_script_find_language
 hb_ot_layout_script_get_language_tags
 hb_ot_layout_table_choose_script
+hb_ot_layout_table_find_feature_variations
 hb_ot_layout_table_find_script
 hb_ot_layout_table_get_feature_tags
 hb_ot_layout_table_get_script_tags
@@ -422,6 +438,19 @@ Xhb_ot_layout_lookup_position
 Xhb_ot_layout_lookup_substitute
 </SECTION>
 
+<SECTION>
+<FILE>hb-ot-var</FILE>
+HB_OT_TAG_avar
+HB_OT_TAG_fvar
+HB_OT_VAR_NO_AXIS_INDEX
+hb_ot_var_axis_t
+hb_ot_var_has_data
+hb_ot_var_find_axis
+hb_ot_var_get_axis_count
+hb_ot_var_get_axes
+hb_ot_var_normalize_axis_value
+</SECTION>
+
 <SECTION>
 <FILE>hb-ot-math</FILE>
 HB_OT_TAG_MATH
@@ -486,8 +515,8 @@ hb_set_union
 
 <SECTION>
 <FILE>hb-shape</FILE>
-hb_feature_from_string
 hb_feature_t
+hb_feature_from_string
 hb_feature_to_string
 hb_shape
 hb_shape_full
@@ -498,6 +527,8 @@ hb_shape_list_shapers
 <FILE>hb-shape-plan</FILE>
 hb_shape_plan_create
 hb_shape_plan_create_cached
+hb_shape_plan_create2
+hb_shape_plan_create_cached2
 hb_shape_plan_destroy
 hb_shape_plan_execute
 hb_shape_plan_get_empty
diff --git a/src/hb-common.cc b/src/hb-common.cc
index a804f822b..64e77d434 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -898,6 +898,11 @@ parse_one_variation (const char **pp, const char *end, hb_variation_t *variation
 	 *pp == end;
 }
 
+/**
+ * hb_variation_from_string:
+ *
+ * Since: 1.4.2
+ */
 hb_bool_t
 hb_variation_from_string (const char *str, int len,
 			  hb_variation_t *variation)
@@ -919,6 +924,11 @@ hb_variation_from_string (const char *str, int len,
   return false;
 }
 
+/**
+ * hb_variation_to_string:
+ *
+ * Since: 1.4.2
+ */
 void
 hb_variation_to_string (hb_variation_t *variation,
 			char *buf, unsigned int size)
diff --git a/src/hb-common.h b/src/hb-common.h
index ed0b97dfd..634cb96a6 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -379,6 +379,11 @@ HB_EXTERN void
 hb_feature_to_string (hb_feature_t *feature,
 		      char *buf, unsigned int size);
 
+/**
+ * hb_variation_t:
+ *
+ * Since: 1.4.2
+ */
 typedef struct hb_variation_t {
   hb_tag_t tag;
   float    value;
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 11b935310..d63bc0473 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -915,7 +915,7 @@ _hb_directwrite_shape(hb_shape_plan_t    *shape_plan,
  */
 
 hb_bool_t
-hb_shape_dwrite_experimental_width(hb_font_t          *font,
+hb_directwrite_shape_experimental_width(hb_font_t          *font,
   hb_buffer_t        *buffer,
   const hb_feature_t *features,
   unsigned int        num_features,
diff --git a/src/hb-directwrite.h b/src/hb-directwrite.h
index 0eb116f4c..e743af214 100644
--- a/src/hb-directwrite.h
+++ b/src/hb-directwrite.h
@@ -30,7 +30,7 @@
 HB_BEGIN_DECLS
 
 HB_EXTERN hb_bool_t
-hb_shape_dwrite_experimental_width(hb_font_t *font, hb_buffer_t *buffer,
+hb_directwrite_shape_experimental_width(hb_font_t *font, hb_buffer_t *buffer,
   const hb_feature_t *features, unsigned int num_features, float width);
 
 HB_END_DECLS
diff --git a/src/hb-font.cc b/src/hb-font.cc
index 607bd4893..3140ee47c 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1551,6 +1551,11 @@ _hb_font_adopt_var_coords_normalized (hb_font_t *font,
   font->num_coords = coords_length;
 }
 
+/**
+ * hb_font_set_variations:
+ *
+ * Since: 1.4.2
+ */
 void
 hb_font_set_variations (hb_font_t *font,
 			const hb_variation_t *variations,
@@ -1584,6 +1589,11 @@ hb_font_set_variations (hb_font_t *font,
   _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
 }
 
+/**
+ * hb_font_set_var_coords_design:
+ *
+ * Since: 1.4.2
+ */
 void
 hb_font_set_var_coords_design (hb_font_t *font,
 			       const float *coords,
@@ -1603,6 +1613,11 @@ hb_font_set_var_coords_design (hb_font_t *font,
   _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
 }
 
+/**
+ * hb_font_set_var_coords_normalized:
+ *
+ * Since: 1.4.2
+ */
 void
 hb_font_set_var_coords_normalized (hb_font_t *font,
 				   const int *coords, /* 2.14 normalized */
@@ -1621,6 +1636,11 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   _hb_font_adopt_var_coords_normalized (font, copy, coords_length);
 }
 
+/**
+ * hb_font_set_var_coords_normalized:
+ *
+ * Since: 1.4.2
+ */
 int *
 hb_font_get_var_coords_normalized (hb_font_t *font,
 				   unsigned int *length)
diff --git a/src/hb-ot-var.cc b/src/hb-ot-var.cc
index d1e97257c..508042477 100644
--- a/src/hb-ot-var.cc
+++ b/src/hb-ot-var.cc
@@ -63,6 +63,11 @@ hb_ot_var_has_data (hb_face_t *face)
   return &_get_fvar (face) != &OT::Null(OT::fvar);
 }
 
+/**
+ * hb_ot_var_get_axis_count:
+ *
+ * Since: 1.4.2
+ **/
 unsigned int
 hb_ot_var_get_axis_count (hb_face_t *face)
 {
@@ -70,6 +75,11 @@ hb_ot_var_get_axis_count (hb_face_t *face)
   return fvar.get_axis_count ();
 }
 
+/**
+ * hb_ot_var_get_axes:
+ *
+ * Since: 1.4.2
+ **/
 unsigned int
 hb_ot_var_get_axes (hb_face_t        *face,
 		    unsigned int      start_offset,
@@ -80,7 +90,12 @@ hb_ot_var_get_axes (hb_face_t        *face,
   return fvar.get_axis_infos (start_offset, axes_count, axes_array);
 }
 
-HB_EXTERN hb_bool_t
+/**
+ * hb_ot_var_find_axis:
+ *
+ * Since: 1.4.2
+ **/
+hb_bool_t
 hb_ot_var_find_axis (hb_face_t        *face,
 		     hb_tag_t          axis_tag,
 		     unsigned int     *axis_index,
@@ -90,7 +105,12 @@ hb_ot_var_find_axis (hb_face_t        *face,
   return fvar.find_axis (axis_tag, axis_index, axis_info);
 }
 
-HB_EXTERN int
+/**
+ * hb_ot_var_normalize_axis_value:
+ *
+ * Since: 1.4.2
+ **/
+int
 hb_ot_var_normalize_axis_value (hb_face_t    *face,
 				unsigned int  axis_index,
 				float         v)
diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
index 4023b29f4..652a78d07 100644
--- a/src/hb-ot-var.h
+++ b/src/hb-ot-var.h
@@ -60,6 +60,11 @@ typedef struct hb_ot_var_axis_t {
 HB_EXTERN hb_bool_t
 hb_ot_var_has_data (hb_face_t *face);
 
+/**
+ * HB_OT_VAR_NO_AXIS_INDEX:
+ *
+ * Since: 1.4.2
+ */
 #define HB_OT_VAR_NO_AXIS_INDEX		0xFFFFFFFFu
 
 HB_EXTERN unsigned int
@@ -83,13 +88,6 @@ hb_ot_var_normalize_axis_value (hb_face_t    *face,
 				unsigned int  axis_index,
 				float         v);
 
-#if 0
-
-HB_EXTERN unsigned int
-Xhb_ot_var_get_named_instances (hb_face_t        *face, ... );
-
-#endif
-
 
 HB_END_DECLS
 
diff --git a/src/hb-set.cc b/src/hb-set.cc
index cb7fcdbf6..f3fe1ba43 100644
--- a/src/hb-set.cc
+++ b/src/hb-set.cc
@@ -105,7 +105,7 @@ hb_set_destroy (hb_set_t *set)
  * @set: a set.
  * @key:
  * @data:
- * @destroy (closure data):
+ * @destroy:
  * @replace:
  *
  * Return value:

From 7647a05a0b37c53465560952b412db4e590f2716 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 17:47:49 -0800
Subject: [PATCH 0220/1326] Minor

---
 src/hb-font.cc       |  5 ++++-
 src/hb-font.h        |  2 +-
 src/hb-ft.cc         |  2 +-
 util/helper-cairo.cc | 14 +++++++++-----
 4 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 3140ee47c..a3f250d50 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1639,9 +1639,12 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
 /**
  * hb_font_set_var_coords_normalized:
  *
+ * Return value is valid as long as variation coordinates of the font
+ * are not modified.
+ *
  * Since: 1.4.2
  */
-int *
+const int *
 hb_font_get_var_coords_normalized (hb_font_t *font,
 				   unsigned int *length)
 {
diff --git a/src/hb-font.h b/src/hb-font.h
index fce4206df..e2e59796f 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -618,7 +618,7 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
 				   const int *coords, /* 2.14 normalized */
 				   unsigned int coords_length);
 
-HB_EXTERN int *
+HB_EXTERN const int *
 hb_font_get_var_coords_normalized (hb_font_t *font,
 				   unsigned int *length);
 
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 496fff230..48d6a0efb 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -742,7 +742,7 @@ hb_ft_font_set_funcs (hb_font_t *font)
   }
 
   unsigned int num_coords;
-  int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
+  const int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
   if (num_coords)
   {
     FT_Fixed *ft_coords = (FT_Fixed *) calloc (num_coords, sizeof (FT_Fixed));
diff --git a/util/helper-cairo.cc b/util/helper-cairo.cc
index df5173b59..2e2952b28 100644
--- a/util/helper-cairo.cc
+++ b/util/helper-cairo.cc
@@ -104,13 +104,17 @@ helper_cairo_create_scaled_font (const font_options_t *font_opts)
   else
   {
     unsigned int num_coords;
-    int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
+    const int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
     if (num_coords)
     {
-      FT_Fixed ft_coords[num_coords];
-      for (unsigned int i = 0; i < num_coords; i++)
-        ft_coords[i] = coords[i] << 2;
-      FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords);
+      FT_Fixed *ft_coords = (FT_Fixed *) calloc (num_coords, sizeof (FT_Fixed));
+      if (ft_coords)
+      {
+	for (unsigned int i = 0; i < num_coords; i++)
+	  ft_coords[i] = coords[i] << 2;
+	FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords);
+	free (ft_coords);
+      }
     }
 
     cairo_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0);

From 8a577aaa0dd760409bcad1ae3d4f5fb561a62a4b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 18:22:40 -0800
Subject: [PATCH 0221/1326] [var] Stub implementation of avar table

---
 src/hb-ot-var-avar-table.hh | 99 +++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 src/hb-ot-var-avar-table.hh

diff --git a/src/hb-ot-var-avar-table.hh b/src/hb-ot-var-avar-table.hh
new file mode 100644
index 000000000..a041934bf
--- /dev/null
+++ b/src/hb-ot-var-avar-table.hh
@@ -0,0 +1,99 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_VAR_AVAR_TABLE_HH
+#define HB_OT_VAR_AVAR_TABLE_HH
+
+#include "hb-open-type-private.hh"
+#include "hb-ot-var.h"
+
+namespace OT {
+
+
+struct AxisValueMap
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  public:
+  F2DOT14	fromCoord;	/* A normalized coordinate value obtained using
+				 * default normalization. */
+  F2DOT14	toCoord;	/* The modified, normalized coordinate value. */
+
+  public:
+  DEFINE_SIZE_STATIC (4);
+};
+
+typedef ArrayOf<AxisValueMap> SegmentMaps;
+
+/*
+ * avar — Axis Variations Table
+ */
+
+struct avar
+{
+  static const hb_tag_t tableTag	= HB_OT_TAG_avar;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!(version.sanitize (c) &&
+		    version.major == 1 &&
+		    c->check_struct (this))))
+      return_trace (false);
+
+    const SegmentMaps *map = &axisSegmentMapsZ;
+    unsigned int count = axisCount;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (unlikely (!map->sanitize (c)))
+        return_trace (false);
+      map = &StructAfter<SegmentMaps> (*map);
+    }
+
+    return_trace (true);
+  }
+
+  protected:
+  FixedVersion<>version;	/* Version of the avar table
+				 * initially set to 0x00010000u */
+  USHORT	reserved;	/* This field is permanently reserved. Set to 0. */
+  USHORT	axisCount;	/* The number of variation axes in the font. This
+				 * must be the same number as axisCount in the
+				 * 'fvar' table. */
+  SegmentMaps	axisSegmentMapsZ;
+
+  public:
+  DEFINE_SIZE_MIN (8);
+};
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_VAR_AVAR_TABLE_HH */

From 5ec96d30cad1592b5e468bd8ad1832dbaf0ad32b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 18:52:00 -0800
Subject: [PATCH 0222/1326] [var] Adjust API in prep for 'avar' implementation

The 'avar' table does not allow random access to axis maps,
so change API to avoid quadratic-time implementation.

Removed -hb_ot_var_normalize_axis_value(), added
+hb_ot_var_normalize_variations() and
+hb_ot_var_normalize_coords() instead.
---
 docs/harfbuzz-sections.txt |  3 ++-
 src/Makefile.sources       |  1 +
 src/hb-font.cc             | 20 +++++------------
 src/hb-ot-var.cc           | 45 +++++++++++++++++++++++++++++++++-----
 src/hb-ot-var.h            | 16 ++++++++++----
 5 files changed, 59 insertions(+), 26 deletions(-)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index b4ae15dd5..fcf4e527e 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -448,7 +448,8 @@ hb_ot_var_has_data
 hb_ot_var_find_axis
 hb_ot_var_get_axis_count
 hb_ot_var_get_axes
-hb_ot_var_normalize_axis_value
+hb_ot_var_normalize_variations
+hb_ot_var_normalize_coords
 </SECTION>
 
 <SECTION>
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 279bc46eb..c74147cb5 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -109,6 +109,7 @@ HB_OT_sources = \
 	hb-ot-shape-fallback.cc \
 	hb-ot-shape-private.hh \
 	hb-ot-var.cc \
+	hb-ot-var-avar-table.hh \
 	hb-ot-var-fvar-table.hh \
 	$(NULL)
 
diff --git a/src/hb-font.cc b/src/hb-font.cc
index a3f250d50..ea4550126 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1570,22 +1570,15 @@ hb_font_set_variations (hb_font_t *font,
     return;
   }
 
-  hb_face_t *face = font->face;
-
-  unsigned int coords_length = hb_ot_var_get_axis_count (face);
+  unsigned int coords_length = hb_ot_var_get_axis_count (font->face);
 
   int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : NULL;
   if (unlikely (coords_length && !normalized))
     return;
 
-  /* normalized is filled with zero already. */
-  for (unsigned int i = 0; i < variations_length; i++)
-  {
-    unsigned int axis_index;
-    if (hb_ot_var_find_axis (face, variations[i].tag, &axis_index, NULL))
-      normalized[axis_index] = hb_ot_var_normalize_axis_value (face, axis_index, variations[i].value);
-  }
-
+  hb_ot_var_normalize_variations (font->face,
+				  variations, variations_length,
+				  normalized, coords_length);
   _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
 }
 
@@ -1606,10 +1599,7 @@ hb_font_set_var_coords_design (hb_font_t *font,
   if (unlikely (coords_length && !normalized))
     return;
 
-  hb_face_t *face = font->face;
-  for (unsigned int i = 0; i < coords_length; i++)
-    normalized[i] = hb_ot_var_normalize_axis_value (face, i, coords[i]);
-
+  hb_ot_var_normalize_coords (font->face, coords_length, coords, normalized);
   _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
 }
 
diff --git a/src/hb-ot-var.cc b/src/hb-ot-var.cc
index 508042477..76016e634 100644
--- a/src/hb-ot-var.cc
+++ b/src/hb-ot-var.cc
@@ -27,6 +27,7 @@
 #include "hb-open-type-private.hh"
 
 #include "hb-ot-layout-private.hh"
+#include "hb-ot-var-avar-table.hh"
 #include "hb-ot-var-fvar-table.hh"
 #include "hb-ot-var.h"
 
@@ -105,16 +106,48 @@ hb_ot_var_find_axis (hb_face_t        *face,
   return fvar.find_axis (axis_tag, axis_index, axis_info);
 }
 
+
 /**
- * hb_ot_var_normalize_axis_value:
+ * hb_ot_var_normalize_variations:
  *
  * Since: 1.4.2
  **/
-int
-hb_ot_var_normalize_axis_value (hb_face_t    *face,
-				unsigned int  axis_index,
-				float         v)
+void
+hb_ot_var_normalize_variations (hb_face_t            *face,
+				const hb_variation_t *variations, /* IN */
+				unsigned int          variations_length,
+				int                  *coords, /* OUT */
+				unsigned int          coords_length)
+{
+  for (unsigned int i = 0; i < coords_length; i++)
+    coords[i] = 0;
+
+  const OT::fvar &fvar = _get_fvar (face);
+  for (unsigned int i = 0; i < variations_length; i++)
+  {
+    unsigned int axis_index;
+    if (hb_ot_var_find_axis (face, variations[i].tag, &axis_index, NULL) &&
+	axis_index < coords_length)
+      coords[axis_index] = fvar.normalize_axis_value (axis_index, variations[i].value);
+  }
+
+  /* TODO avar */
+}
+
+/**
+ * hb_ot_var_normalize_coords:
+ *
+ * Since: 1.4.2
+ **/
+void
+hb_ot_var_normalize_coords (hb_face_t    *face,
+			    unsigned int coords_length,
+			    const float *design_coords, /* IN */
+			    int *normalized_coords /* OUT */)
 {
   const OT::fvar &fvar = _get_fvar (face);
-  return fvar.normalize_axis_value (axis_index, v);
+  for (unsigned int i = 0; i < coords_length; i++)
+    normalized_coords[i] = fvar.normalize_axis_value (i, design_coords[i]);
+
+  /* TODO avar */
 }
diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
index 652a78d07..bce7c7a0a 100644
--- a/src/hb-ot-var.h
+++ b/src/hb-ot-var.h
@@ -83,10 +83,18 @@ hb_ot_var_find_axis (hb_face_t        *face,
 		     hb_ot_var_axis_t *axis_info);
 
 
-HB_EXTERN int
-hb_ot_var_normalize_axis_value (hb_face_t    *face,
-				unsigned int  axis_index,
-				float         v);
+HB_EXTERN void
+hb_ot_var_normalize_variations (hb_face_t            *face,
+				const hb_variation_t *variations, /* IN */
+				unsigned int          variations_length,
+				int                  *coords, /* OUT */
+				unsigned int          coords_length);
+
+HB_EXTERN void
+hb_ot_var_normalize_coords (hb_face_t    *face,
+			    unsigned int coords_length,
+			    const float *design_coords, /* IN */
+			    int *normalized_coords /* OUT */);
 
 
 HB_END_DECLS

From a42909057207cbed1ef95716170434c05beb0002 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 19:01:07 -0800
Subject: [PATCH 0223/1326] [var] Flesh out --variations documentation

---
 util/options.cc | 53 +++++++++++++------------------------------------
 1 file changed, 14 insertions(+), 39 deletions(-)

diff --git a/util/options.cc b/util/options.cc
index 8c79c4ad6..0f2e207d0 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -311,7 +311,7 @@ view_options_t::add_options (option_parser_t *parser)
   parser->add_group (entries,
 		     "view",
 		     "View options:",
-		     "Options controlling output rendering",
+		     "Options for output rendering",
 		     this);
 }
 
@@ -340,7 +340,7 @@ shape_options_t::add_options (option_parser_t *parser)
   parser->add_group (entries,
 		     "shape",
 		     "Shape options:",
-		     "Options controlling the shaping process",
+		     "Options for the shaping process",
 		     this);
 
   const gchar *features_help = "Comma-separated list of font features\n"
@@ -387,7 +387,7 @@ shape_options_t::add_options (option_parser_t *parser)
   parser->add_group (entries2,
 		     "features",
 		     "Features options:",
-		     "Options controlling font features used",
+		     "Options for font features used",
 		     this);
 }
 
@@ -454,45 +454,20 @@ font_options_t::add_options (option_parser_t *parser)
   parser->add_group (entries,
 		     "font",
 		     "Font options:",
-		     "Options controlling the font",
+		     "Options for the font",
 		     this);
 
   const gchar *variations_help = "Comma-separated list of font variations\n"
     "\n"
-    "    XXXXXXXXXXXXXXX\n"
-    "    Features can be enabled or disabled, either globally or limited to\n"
-    "    specific character ranges.  The format for specifying feature settings\n"
-    "    follows.  All valid CSS font-feature-settings values other than 'normal'\n"
+    "    Variations are set globally. The format for specifying variation settings\n"
+    "    follows.  All valid CSS font-variation-settings values other than 'normal'\n"
     "    and 'inherited' are also accepted, though, not documented below.\n"
     "\n"
-    "    The range indices refer to the positions between Unicode characters,\n"
-    "    unless the --utf8-clusters is provided, in which case range indices\n"
-    "    refer to UTF-8 byte indices. The position before the first character\n"
-    "    is always 0.\n"
+    "    The format is a tag, optionally followed by an equals sign, followed by a\n"
+    "    number. For example:\n"
     "\n"
-    "    The format is Python-esque.  Here is how it all works:\n"
-    "\n"
-    "      Syntax:       Value:    Start:    End:\n"
-    "\n"
-    "    Setting value:\n"
-    "      \"kern\"        1         0         ∞         # Turn feature on\n"
-    "      \"+kern\"       1         0         ∞         # Turn feature on\n"
-    "      \"-kern\"       0         0         ∞         # Turn feature off\n"
-    "      \"kern=0\"      0         0         ∞         # Turn feature off\n"
-    "      \"kern=1\"      1         0         ∞         # Turn feature on\n"
-    "      \"aalt=2\"      2         0         ∞         # Choose 2nd alternate\n"
-    "\n"
-    "    Setting index:\n"
-    "      \"kern[]\"      1         0         ∞         # Turn feature on\n"
-    "      \"kern[:]\"     1         0         ∞         # Turn feature on\n"
-    "      \"kern[5:]\"    1         5         ∞         # Turn feature on, partial\n"
-    "      \"kern[:5]\"    1         0         5         # Turn feature on, partial\n"
-    "      \"kern[3:5]\"   1         3         5         # Turn feature on, range\n"
-    "      \"kern[3]\"     1         3         3+1       # Turn feature on, single char\n"
-    "\n"
-    "    Mixing it all:\n"
-    "\n"
-    "      \"aalt[3:5]=2\" 2         3         5         # Turn 2nd alternate on for range";
+    "      \"wght=500\"\n"
+    "      \"slnt=-7.5\"\n";
 
   GOptionEntry entries2[] =
   {
@@ -502,7 +477,7 @@ font_options_t::add_options (option_parser_t *parser)
   parser->add_group (entries2,
 		     "variations",
 		     "Varitions options:",
-		     "Options controlling font variations used",
+		     "Options for font variations used",
 		     this);
 }
 
@@ -520,7 +495,7 @@ text_options_t::add_options (option_parser_t *parser)
   parser->add_group (entries,
 		     "text",
 		     "Text options:",
-		     "Options controlling the input text",
+		     "Options for the input text",
 		     this);
 }
 
@@ -548,7 +523,7 @@ output_options_t::add_options (option_parser_t *parser)
   parser->add_group (entries,
 		     "output",
 		     "Output destination & format options:",
-		     "Options controlling the destination and form of the output",
+		     "Options for the destination & form of the output",
 		     this);
 }
 
@@ -810,7 +785,7 @@ format_options_t::add_options (option_parser_t *parser)
          "    text: [<glyph name or index>=<glyph cluster index within input>@<horizontal displacement>,<vertical displacement>+<horizontal advance>,<vertical advance>|...]\n"
          "    json: [{\"g\": <glyph name or index>, \"ax\": <horizontal advance>, \"ay\": <vertical advance>, \"dx\": <horizontal displacement>, \"dy\": <vertical displacement>, \"cl\": <glyph cluster index within input>}, ...]\n"
          "\nOutput syntax options:",
-		     "Options controlling the syntax of the output",
+		     "Options for the syntax of the output",
 		     this);
 }
 

From a484e237b11650d00092329855d33dd2f67980e4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 19:41:33 -0800
Subject: [PATCH 0224/1326] [var] Implement 'avar' table mapping

Untested!
---
 src/hb-ot-math.cc           |  2 --
 src/hb-ot-var-avar-table.hh | 46 ++++++++++++++++++++++++++++++++++++-
 src/hb-ot-var.cc            | 23 ++++++++++++-------
 3 files changed, 60 insertions(+), 11 deletions(-)

diff --git a/src/hb-ot-math.cc b/src/hb-ot-math.cc
index eb08badbd..2d7e6792a 100644
--- a/src/hb-ot-math.cc
+++ b/src/hb-ot-math.cc
@@ -34,9 +34,7 @@ static inline const OT::MATH&
 _get_math (hb_face_t *face)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::MATH);
-
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-
   return *(layout->math.get ());
 }
 
diff --git a/src/hb-ot-var-avar-table.hh b/src/hb-ot-var-avar-table.hh
index a041934bf..743d5870e 100644
--- a/src/hb-ot-var-avar-table.hh
+++ b/src/hb-ot-var-avar-table.hh
@@ -50,7 +50,39 @@ struct AxisValueMap
   DEFINE_SIZE_STATIC (4);
 };
 
-typedef ArrayOf<AxisValueMap> SegmentMaps;
+struct SegmentMaps : ArrayOf<AxisValueMap>
+{
+  inline int map (int value) const
+  {
+    /* The following special-cases are not part of OpenType, which requires
+     * that at least -1, 0, and +1 must be mapped. But we include these as
+     * part of a better error recovery scheme. */
+
+    if (!len)
+      return value;
+
+    if (value <= array[0].fromCoord)
+      return value - array[0].fromCoord + array[0].toCoord;
+
+    unsigned int i;
+    unsigned int count = len;
+    for (i = 1; i < count && value > array[i].fromCoord; i++)
+      ;
+
+    if (value >= array[i].fromCoord)
+      return value - array[i].fromCoord + array[i].toCoord;
+
+    if (unlikely (array[i-1].fromCoord == array[i].fromCoord))
+      return array[i-1].toCoord;
+
+    int denom = array[i].fromCoord - array[i-1].fromCoord;
+    return array[i-1].toCoord +
+	   (array[i].toCoord - array[i-1].toCoord) *
+	   (value - array[i-1].fromCoord + denom/2) / denom;
+  }
+
+  DEFINE_SIZE_ARRAY (2, array);
+};
 
 /*
  * avar — Axis Variations Table
@@ -80,6 +112,18 @@ struct avar
     return_trace (true);
   }
 
+  inline void map_coords (int *coords, unsigned int coords_length) const
+  {
+    unsigned int count = MIN<unsigned int> (coords_length, axisCount);
+
+    const SegmentMaps *map = &axisSegmentMapsZ;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      coords[i] = map->map (coords[i]);
+      map = &StructAfter<SegmentMaps> (*map);
+    }
+  }
+
   protected:
   FixedVersion<>version;	/* Version of the avar table
 				 * initially set to 0x00010000u */
diff --git a/src/hb-ot-var.cc b/src/hb-ot-var.cc
index 76016e634..d4d16dfff 100644
--- a/src/hb-ot-var.cc
+++ b/src/hb-ot-var.cc
@@ -33,19 +33,24 @@
 
 HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
 
+/*
+ * fvar/avar
+ */
+
 static inline const OT::fvar&
 _get_fvar (hb_face_t *face)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::fvar);
-
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-
   return *(layout->fvar.get ());
 }
-
-/*
- * fvar/avar
- */
+static inline const OT::avar&
+_get_avar (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::avar);
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  return *(layout->avar.get ());
+}
 
 /**
  * hb_ot_var_has_data:
@@ -131,7 +136,8 @@ hb_ot_var_normalize_variations (hb_face_t            *face,
       coords[axis_index] = fvar.normalize_axis_value (axis_index, variations[i].value);
   }
 
-  /* TODO avar */
+  const OT::avar &avar = _get_avar (face);
+  avar.map_coords (coords, coords_length);
 }
 
 /**
@@ -149,5 +155,6 @@ hb_ot_var_normalize_coords (hb_face_t    *face,
   for (unsigned int i = 0; i < coords_length; i++)
     normalized_coords[i] = fvar.normalize_axis_value (i, design_coords[i]);
 
-  /* TODO avar */
+  const OT::avar &avar = _get_avar (face);
+  avar.map_coords (normalized_coords, coords_length);
 }

From 7a860f656e4aec45c45e0f5fb28c49a91dc5eef2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 19:52:09 -0800
Subject: [PATCH 0225/1326] [var] Add macros for standard axes

---
 docs/harfbuzz-sections.txt | 7 +++++++
 src/hb-ot-var.h            | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index fcf4e527e..3011ee996 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -442,6 +442,11 @@ Xhb_ot_layout_lookup_substitute
 <FILE>hb-ot-var</FILE>
 HB_OT_TAG_avar
 HB_OT_TAG_fvar
+HB_OT_TAG_VAR_AXIS_ITALIC
+HB_OT_TAG_VAR_AXIS_OPTICAL_SIZE
+HB_OT_TAG_VAR_AXIS_SLANT
+HB_OT_TAG_VAR_AXIS_WEIGHT
+HB_OT_TAG_VAR_AXIS_WIDTH
 HB_OT_VAR_NO_AXIS_INDEX
 hb_ot_var_axis_t
 hb_ot_var_has_data
@@ -584,6 +589,8 @@ hb_unicode_script_func_t
 <FILE>hb-uniscribe</FILE>
 hb_uniscribe_font_get_hfont
 hb_uniscribe_font_get_logfontw
+<SUBSECTION Private>
+hb_directwrite_shape_experimental_width
 </SECTION>
 
 <SECTION>
diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
index bce7c7a0a..ea69aa5fc 100644
--- a/src/hb-ot-var.h
+++ b/src/hb-ot-var.h
@@ -39,6 +39,12 @@ HB_BEGIN_DECLS
 #define HB_OT_TAG_fvar HB_TAG('f','v','a','r')
 #define HB_OT_TAG_avar HB_TAG('a','v','a','r')
 
+#define HB_OT_TAG_VAR_AXIS_ITALIC	HB_TAG('i','t','a','l')
+#define HB_OT_TAG_VAR_AXIS_OPTICAL_SIZE	HB_TAG('o','p','s','z')
+#define HB_OT_TAG_VAR_AXIS_SLANT	HB_TAG('s','l','n','t')
+#define HB_OT_TAG_VAR_AXIS_WIDTH	HB_TAG('w','d','t','h')
+#define HB_OT_TAG_VAR_AXIS_WEIGHT	HB_TAG('w','g','h','t')
+
 
 /*
  * fvar / avar

From a11d9a0466e480efebd69a34827675387cd2ca34 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 20:09:47 -0800
Subject: [PATCH 0226/1326] Minor

---
 src/hb-ot-font.cc       | 6 +++---
 src/hb-ot-hmtx-table.hh | 8 +++-----
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index c4ec612c8..f84dbc285 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -50,7 +50,7 @@ struct hb_ot_face_metrics_accelerator_t
   unsigned short line_gap;
   bool has_font_extents;
 
-  const OT::_mtx *table;
+  const OT::hmtxvmtx *table;
   hb_blob_t *blob;
 
   inline void init (hb_face_t *face,
@@ -91,7 +91,7 @@ struct hb_ot_face_metrics_accelerator_t
 
     this->has_font_extents = got_font_extents;
 
-    this->blob = OT::Sanitizer<OT::_mtx>::sanitize (face->reference_table (_mtx_tag));
+    this->blob = OT::Sanitizer<OT::hmtxvmtx>::sanitize (face->reference_table (_mtx_tag));
 
     /* Cap num_metrics() and num_advances() based on table length. */
     unsigned int len = hb_blob_get_length (this->blob);
@@ -107,7 +107,7 @@ struct hb_ot_face_metrics_accelerator_t
       hb_blob_destroy (this->blob);
       this->blob = hb_blob_get_empty ();
     }
-    this->table = OT::Sanitizer<OT::_mtx>::lock_instance (this->blob);
+    this->table = OT::Sanitizer<OT::hmtxvmtx>::lock_instance (this->blob);
   }
 
   inline void fini (void)
diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index a9606b3d2..30aa62534 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -50,10 +50,8 @@ struct LongMetric
   DEFINE_SIZE_STATIC (4);
 };
 
-struct _mtx
+struct hmtxvmtx
 {
-  static const hb_tag_t tableTag = HB_TAG('_','m','t','x');
-
   static const hb_tag_t hmtxTag	= HB_OT_TAG_hmtx;
   static const hb_tag_t vmtxTag	= HB_OT_TAG_vmtx;
 
@@ -91,10 +89,10 @@ struct _mtx
   DEFINE_SIZE_ARRAY2 (0, longMetric, leadingBearingX);
 };
 
-struct hmtx : _mtx {
+struct hmtx : hmtxvmtx {
   static const hb_tag_t tableTag	= HB_OT_TAG_hmtx;
 };
-struct vmtx : _mtx {
+struct vmtx : hmtxvmtx {
   static const hb_tag_t tableTag	= HB_OT_TAG_vmtx;
 };
 

From d6bdbbca307d1a4aed60a78133eea40a1a9d5bf3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 20:16:51 -0800
Subject: [PATCH 0227/1326] [var] Remove HB_OT_TAG_fvar/avar

We're not going to define public macros for tags for tables.
There's little use to those and they are implementation detail.
---
 docs/harfbuzz-sections.txt  | 2 --
 src/hb-ot-var-avar-table.hh | 2 ++
 src/hb-ot-var-fvar-table.hh | 2 ++
 src/hb-ot-var.h             | 3 ---
 4 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 3011ee996..a91eb4c2c 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -440,8 +440,6 @@ Xhb_ot_layout_lookup_substitute
 
 <SECTION>
 <FILE>hb-ot-var</FILE>
-HB_OT_TAG_avar
-HB_OT_TAG_fvar
 HB_OT_TAG_VAR_AXIS_ITALIC
 HB_OT_TAG_VAR_AXIS_OPTICAL_SIZE
 HB_OT_TAG_VAR_AXIS_SLANT
diff --git a/src/hb-ot-var-avar-table.hh b/src/hb-ot-var-avar-table.hh
index 743d5870e..7c8449a84 100644
--- a/src/hb-ot-var-avar-table.hh
+++ b/src/hb-ot-var-avar-table.hh
@@ -88,6 +88,8 @@ struct SegmentMaps : ArrayOf<AxisValueMap>
  * avar — Axis Variations Table
  */
 
+#define HB_OT_TAG_avar HB_TAG('a','v','a','r')
+
 struct avar
 {
   static const hb_tag_t tableTag	= HB_OT_TAG_avar;
diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
index cb88de883..0c48769df 100644
--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@@ -81,6 +81,8 @@ struct AxisRecord
  * fvar — Font Variations Table
  */
 
+#define HB_OT_TAG_fvar HB_TAG('f','v','a','r')
+
 struct fvar
 {
   static const hb_tag_t tableTag	= HB_OT_TAG_fvar;
diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
index ea69aa5fc..a2c0c5f2b 100644
--- a/src/hb-ot-var.h
+++ b/src/hb-ot-var.h
@@ -36,9 +36,6 @@
 HB_BEGIN_DECLS
 
 
-#define HB_OT_TAG_fvar HB_TAG('f','v','a','r')
-#define HB_OT_TAG_avar HB_TAG('a','v','a','r')
-
 #define HB_OT_TAG_VAR_AXIS_ITALIC	HB_TAG('i','t','a','l')
 #define HB_OT_TAG_VAR_AXIS_OPTICAL_SIZE	HB_TAG('o','p','s','z')
 #define HB_OT_TAG_VAR_AXIS_SLANT	HB_TAG('s','l','n','t')

From 5e156fa5ed33cd1a8ff388833563f15930bb12f9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 20:28:56 -0800
Subject: [PATCH 0228/1326] Add LOffsetTo<>

---
 src/hb-open-file-private.hh          |  2 +-
 src/hb-open-type-private.hh          |  1 +
 src/hb-ot-cbdt-table.hh              |  4 ++--
 src/hb-ot-cmap-table.hh              |  6 +++---
 src/hb-ot-layout-common-private.hh   | 10 +++++-----
 src/hb-ot-layout-gdef-table.hh       |  4 ++--
 src/hb-ot-layout-gsubgpos-private.hh |  2 +-
 7 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 5357ddcf5..f208419aa 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -142,7 +142,7 @@ struct TTCHeaderVersion1
   Tag		ttcTag;		/* TrueType Collection ID string: 'ttcf' */
   FixedVersion<>version;	/* Version of the TTC Header (1.0),
 				 * 0x00010000u */
-  ArrayOf<OffsetTo<OffsetTable, ULONG>, ULONG>
+  ArrayOf<LOffsetTo<OffsetTable>, ULONG>
 		table;		/* Array of offsets to the OffsetTable for each font
 				 * from the beginning of the file */
   public:
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 8845e3eee..8bd361868 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -830,6 +830,7 @@ struct OffsetTo : Offset<OffsetType>
   }
   DEFINE_SIZE_STATIC (sizeof(OffsetType));
 };
+template <typename Type> struct LOffsetTo : OffsetTo<Type, ULONG> {};
 template <typename Base, typename OffsetType, typename Type>
 static inline const Type& operator + (const Base &base, const OffsetTo<Type, OffsetType> &offset) { return offset (base); }
 template <typename Base, typename OffsetType, typename Type>
diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 52897abd3..93cf0e853 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -216,7 +216,7 @@ struct IndexSubtableRecord
 
   USHORT firstGlyphIndex;
   USHORT lastGlyphIndex;
-  OffsetTo<IndexSubtable, ULONG> offsetToSubtable;
+  LOffsetTo<IndexSubtable> offsetToSubtable;
 
   DEFINE_SIZE_STATIC(8);
 };
@@ -275,7 +275,7 @@ struct BitmapSizeTable
   }
 
   protected:
-  OffsetTo<IndexSubtableArray, ULONG> indexSubtableArrayOffset;
+  LOffsetTo<IndexSubtableArray> indexSubtableArrayOffset;
   ULONG indexTablesSize;
   ULONG numberOfIndexSubtables;
   ULONG colorRef;
diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index d7a94a1ef..3a53a1cb5 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -380,9 +380,9 @@ struct VariationSelectorRecord
   }
 
   UINT24	varSelector;	/* Variation selector. */
-  OffsetTo<DefaultUVS, ULONG>
+  LOffsetTo<DefaultUVS>
 		defaultUVS;	/* Offset to Default UVS Table. May be 0. */
-  OffsetTo<NonDefaultUVS, ULONG>
+  LOffsetTo<NonDefaultUVS>
 		nonDefaultUVS;	/* Offset to Non-Default UVS Table. May be 0. */
   public:
   DEFINE_SIZE_STATIC (11);
@@ -486,7 +486,7 @@ struct EncodingRecord
 
   USHORT	platformID;	/* Platform ID. */
   USHORT	encodingID;	/* Platform-specific encoding ID. */
-  OffsetTo<CmapSubtable, ULONG>
+  LOffsetTo<CmapSubtable>
 		subtable;	/* Byte offset from beginning of table to the subtable for this encoding. */
   public:
   DEFINE_SIZE_STATIC (8);
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 62ca7a348..2f83497b4 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1334,7 +1334,7 @@ struct VariationStore
 
   protected:
   USHORT				format;
-  OffsetTo<VarRegionList, ULONG>	regions;
+  LOffsetTo<VarRegionList>		regions;
   OffsetArrayOf<VarData, ULONG>		dataSets;
   public:
   DEFINE_SIZE_ARRAY (8, dataSets);
@@ -1433,8 +1433,8 @@ struct FeatureTableSubstitutionRecord
   }
 
   protected:
-  USHORT			featureIndex;
-  OffsetTo<Feature, ULONG>	feature;
+  USHORT		featureIndex;
+  LOffsetTo<Feature>	feature;
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -1481,9 +1481,9 @@ struct FeatureVariationRecord
   }
 
   protected:
-  OffsetTo<ConditionSet, ULONG>
+  LOffsetTo<ConditionSet>
 			conditions;
-  OffsetTo<FeatureTableSubstitution, ULONG>
+  LOffsetTo<FeatureTableSubstitution>
 			substitutions;
   public:
   DEFINE_SIZE_STATIC (8);
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index b70cbb7a3..552df0fd8 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -295,7 +295,7 @@ struct MarkGlyphSetsFormat1
 
   protected:
   USHORT	format;			/* Format identifier--format = 1 */
-  ArrayOf<OffsetTo<Coverage, ULONG> >
+  ArrayOf<LOffsetTo<Coverage> >
 		coverage;		/* Array of long offsets to mark set
 					 * coverage tables */
   public:
@@ -443,7 +443,7 @@ struct GDEF
 					 * definitions--from beginning of GDEF
 					 * header (may be NULL).  Introduced
 					 * in version 0x00010002. */
-  OffsetTo<VariationStore, ULONG>
+  LOffsetTo<VariationStore>
 		varStore;		/* Offset to the table of Item Variation
 					 * Store--from beginning of GDEF
 					 * header (may be NULL).  Introduced
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index fd75c5425..b7a0122a3 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -2313,7 +2313,7 @@ struct GSUBGPOS
 		featureList; 	/* FeatureList table */
   OffsetTo<LookupList>
 		lookupList; 	/* LookupList table */
-  OffsetTo<FeatureVariations, ULONG>
+  LOffsetTo<FeatureVariations>
 		featureVars;	/* Offset to Feature Variations
 				   table--from beginning of table
 				 * (may be NULL).  Introduced

From b732c53eb5bd0c2cc86f35a9d9623c92579a0b8c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Jan 2017 20:31:53 -0800
Subject: [PATCH 0229/1326] Add LArrayOf<>

---
 src/hb-open-type-private.hh        | 1 +
 src/hb-ot-cbdt-table.hh            | 4 ++--
 src/hb-ot-layout-common-private.hh | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 8bd361868..d90d68c59 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -952,6 +952,7 @@ struct ArrayOf
   public:
   DEFINE_SIZE_ARRAY (sizeof (LenType), array);
 };
+template <typename Type> struct LArrayOf : ArrayOf<Type, ULONG> {};
 
 /* Array of Offset's */
 template <typename Type, typename OffsetType=USHORT>
diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 93cf0e853..0a7fbf5b7 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -348,8 +348,8 @@ struct CBLC
   }
 
   protected:
-  FixedVersion<>version;
-  ArrayOf<BitmapSizeTable, ULONG> sizeTables;
+  FixedVersion<>		version;
+  LArrayOf<BitmapSizeTable>	sizeTables;
 
   public:
   DEFINE_SIZE_ARRAY(8, sizeTables);
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 2f83497b4..92b5c17ee 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1527,7 +1527,7 @@ struct FeatureVariations
 
   protected:
   FixedVersion<>	version;	/* Version--0x00010000u */
-  ArrayOf<FeatureVariationRecord, ULONG>
+  LArrayOf<FeatureVariationRecord>
 			varRecords;
   public:
   DEFINE_SIZE_ARRAY (8, varRecords);

From 7b399f73efa76cd97131fd123a9a1566f8639cfd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Jan 2017 11:41:43 -0800
Subject: [PATCH 0230/1326] [var] Start adding HVAR/VVAR

---
 src/Makefile.sources        |   1 +
 src/hb-ot-font.cc           |   1 +
 src/hb-ot-var-avar-table.hh |   1 -
 src/hb-ot-var-fvar-table.hh |   1 -
 src/hb-ot-var-hvar-table.hh | 115 ++++++++++++++++++++++++++++++++++++
 5 files changed, 117 insertions(+), 2 deletions(-)
 create mode 100644 src/hb-ot-var-hvar-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index c74147cb5..8d7f1a05d 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -111,6 +111,7 @@ HB_OT_sources = \
 	hb-ot-var.cc \
 	hb-ot-var-avar-table.hh \
 	hb-ot-var-fvar-table.hh \
+	hb-ot-var-hvar-table.hh \
 	$(NULL)
 
 HB_OT_headers = \
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index f84dbc285..c7286b7eb 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -37,6 +37,7 @@
 #include "hb-ot-hhea-table.hh"
 #include "hb-ot-hmtx-table.hh"
 #include "hb-ot-os2-table.hh"
+#include "hb-ot-var-hvar-table.hh"
 //#include "hb-ot-post-table.hh"
 
 
diff --git a/src/hb-ot-var-avar-table.hh b/src/hb-ot-var-avar-table.hh
index 7c8449a84..ace0f5f28 100644
--- a/src/hb-ot-var-avar-table.hh
+++ b/src/hb-ot-var-avar-table.hh
@@ -28,7 +28,6 @@
 #define HB_OT_VAR_AVAR_TABLE_HH
 
 #include "hb-open-type-private.hh"
-#include "hb-ot-var.h"
 
 namespace OT {
 
diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
index 0c48769df..9f6fb3250 100644
--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@@ -28,7 +28,6 @@
 #define HB_OT_VAR_FVAR_TABLE_HH
 
 #include "hb-open-type-private.hh"
-#include "hb-ot-var.h"
 
 namespace OT {
 
diff --git a/src/hb-ot-var-hvar-table.hh b/src/hb-ot-var-hvar-table.hh
new file mode 100644
index 000000000..0cb24d25a
--- /dev/null
+++ b/src/hb-ot-var-hvar-table.hh
@@ -0,0 +1,115 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_VAR_HVAR_TABLE_HH
+#define HB_OT_VAR_HVAR_TABLE_HH
+
+#include "hb-ot-layout-common-private.hh"
+
+
+namespace OT {
+
+
+struct DeltaSetIndexMap
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  c->check_array (this, 1, 12));
+  }
+
+  USHORT x;
+  public:
+  DEFINE_SIZE_STATIC (2);
+};
+
+
+/*
+ * HVAR -- The Horizontal Metrics Variations Table
+ * VVAR -- The Vertical Metrics Variations Table
+ */
+
+#define HB_OT_TAG_HVAR HB_TAG('H','V','A','R')
+#define HB_OT_TAG_VVAR HB_TAG('V','V','A','R')
+
+struct HVARVVAR
+{
+  static const hb_tag_t HVARTag	= HB_OT_TAG_hmtx;
+  static const hb_tag_t VVARTag	= HB_OT_TAG_vmtx;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+		  likely (version.major == 1) &&
+		  varStore.sanitize (c, this) &&
+		  advMap.sanitize (c, this) &&
+		  lsbMap.sanitize (c, this) &&
+		  rsbMap.sanitize (c, this));
+  }
+
+  protected:
+  FixedVersion<>version;	/* Version of the metrics variation table
+				 * initially set to 0x00010000u */
+  LOffsetTo<VariationStore>
+		varStore;	/* Offset to item variation store table. */
+  LOffsetTo<DeltaSetIndexMap>
+		advMap;		/* Offset to advance var-idx mapping. */
+  LOffsetTo<DeltaSetIndexMap>
+		lsbMap;		/* Offset to lsb/tsb var-idx mapping. */
+  LOffsetTo<DeltaSetIndexMap>
+		rsbMap;		/* Offset to rsb/bsb var-idx mapping. */
+
+  public:
+  DEFINE_SIZE_STATIC (20);
+};
+
+struct HVAR : HVARVVAR {
+  static const hb_tag_t tableTag	= HB_OT_TAG_HVAR;
+};
+struct VVAR : HVARVVAR {
+  static const hb_tag_t tableTag	= HB_OT_TAG_VVAR;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (static_cast<const HVARVVAR *> (this)->sanitize (c) &&
+		  vorgMap.sanitize (c, this));
+  }
+
+  protected:
+  LOffsetTo<DeltaSetIndexMap>
+		vorgMap;	/* Offset to vertical-origin var-idx mapping. */
+
+  public:
+  DEFINE_SIZE_STATIC (24);
+};
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_VAR_HVAR_TABLE_HH */

From a4fca9f0051dbc177390a4e555b2d0fe642f724e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Jan 2017 11:56:08 -0800
Subject: [PATCH 0231/1326] [var] Implement DeltaSetIndexMap and advance delta
 fetching

Not hooked up to hb-ot-font yet.
---
 src/hb-ot-layout-common-private.hh |  8 +++++
 src/hb-ot-var-hvar-table.hh        | 56 ++++++++++++++++++++++++++++--
 2 files changed, 61 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 92b5c17ee..180e5f086 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1323,6 +1323,14 @@ struct VariationStore
 					     this+regions);
   }
 
+  inline float get_delta (unsigned int index,
+			  int *coords, unsigned int coord_count) const
+  {
+    unsigned int outer = index >> 16;
+    unsigned int inner = index & 0xFFFF;
+    return get_delta (outer, inner, coords, coord_count);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
diff --git a/src/hb-ot-var-hvar-table.hh b/src/hb-ot-var-hvar-table.hh
index 0cb24d25a..cf22c9d9c 100644
--- a/src/hb-ot-var-hvar-table.hh
+++ b/src/hb-ot-var-hvar-table.hh
@@ -39,12 +39,52 @@ struct DeltaSetIndexMap
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-		  c->check_array (this, 1, 12));
+		  c->check_array (mapData, get_width (), mapCount));
   }
 
-  USHORT x;
+  unsigned int map (unsigned int v) const /* Returns 16.16 outer.inner. */
+  {
+    /* If count is zero, pass value unchanged.  This takes
+     * care of direct mapping for advance map. */
+    if (!mapCount)
+      return v;
+
+    if (v >= mapCount)
+      v = mapCount - 1;
+
+    unsigned int u = 0;
+    { /* Fetch it. */
+      unsigned int w = get_width ();
+      const BYTE *p = mapData + w * v;
+      for (; w; w--)
+	u = (u << 8) + *p++;
+    }
+
+    { /* Repack it. */
+      unsigned int n = get_inner_bitcount ();
+      unsigned int outer = u >> n;
+      unsigned int inner = u & ((1 << n) - 1);
+      u = (outer<<16) | inner;
+    }
+
+    return u;
+  }
+
+  protected:
+  inline bool get_width (void) const
+  { return ((format >> 4) & 3) + 1; }
+
+  inline bool get_inner_bitcount (void) const
+  { return (format & 0xF) + 1; }
+
+  protected:
+  USHORT format;		/* A packed field that describes the compressed
+				 * representation of delta-set indices. */
+  USHORT mapCount;		/* The number of mapping entries. */
+  BYTE mapData[VAR];		/* The delta-set index mapping data. */
+
   public:
-  DEFINE_SIZE_STATIC (2);
+  DEFINE_SIZE_ARRAY (4, mapData);
 };
 
 
@@ -72,6 +112,16 @@ struct HVARVVAR
 		  rsbMap.sanitize (c, this));
   }
 
+  inline float get_advance_delta (hb_codepoint_t glyph,
+				  int *coords, unsigned int coord_count) const
+  {
+    unsigned int varidx = (this+advMap).map (glyph);
+    return (this+varStore).get_delta (varidx, coords, coord_count);
+  }
+
+  inline bool has_sidebearing_deltas (void) const
+  { return lsbMap && rsbMap; }
+
   protected:
   FixedVersion<>version;	/* Version of the metrics variation table
 				 * initially set to 0x00010000u */

From bd3b11d92663343350813ca29606b369f691af03 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Jan 2017 17:34:44 -0800
Subject: [PATCH 0232/1326] [var] Prepare for hooking up advance variations to
 hb-ot-font

---
 src/hb-ot-font.cc           | 28 +++++++++++++++++-----------
 src/hb-ot-var-hvar-table.hh |  8 ++++----
 2 files changed, 21 insertions(+), 15 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index c7286b7eb..c597f1456 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -54,9 +54,13 @@ struct hb_ot_face_metrics_accelerator_t
   const OT::hmtxvmtx *table;
   hb_blob_t *blob;
 
+  const OT::HVARVVAR *var;
+  hb_blob_t *var_blob;
+
   inline void init (hb_face_t *face,
 		    hb_tag_t _hea_tag,
 		    hb_tag_t _mtx_tag,
+		    hb_tag_t _var_tag,
 		    hb_tag_t os2_tag,
 		    unsigned int default_advance = 0)
   {
@@ -109,14 +113,19 @@ struct hb_ot_face_metrics_accelerator_t
       this->blob = hb_blob_get_empty ();
     }
     this->table = OT::Sanitizer<OT::hmtxvmtx>::lock_instance (this->blob);
+
+    this->var_blob = OT::Sanitizer<OT::HVARVVAR>::sanitize (face->reference_table (_var_tag));
+    this->var = OT::Sanitizer<OT::HVARVVAR>::lock_instance (this->var_blob);
   }
 
   inline void fini (void)
   {
     hb_blob_destroy (this->blob);
+    hb_blob_destroy (this->var_blob);
   }
 
-  inline unsigned int get_advance (hb_codepoint_t glyph) const
+  inline unsigned int get_advance (hb_codepoint_t  glyph,
+				   hb_font_t      *font) const
   {
     if (unlikely (glyph >= this->num_metrics))
     {
@@ -129,10 +138,7 @@ struct hb_ot_face_metrics_accelerator_t
 	return this->default_advance;
     }
 
-    if (glyph >= this->num_advances)
-      glyph = this->num_advances - 1;
-
-    return this->table->longMetric[glyph].advance;
+    return this->table->longMetric[MIN (glyph, this->num_advances - 1)].advance;
   }
 };
 
@@ -441,8 +447,8 @@ _hb_ot_font_create (hb_face_t *face)
     return NULL;
 
   ot_font->cmap.init (face);
-  ot_font->h_metrics.init (face, HB_OT_TAG_hhea, HB_OT_TAG_hmtx, HB_OT_TAG_os2);
-  ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_TAG_NONE,
+  ot_font->h_metrics.init (face, HB_OT_TAG_hhea, HB_OT_TAG_hmtx, HB_OT_TAG_HVAR, HB_OT_TAG_os2);
+  ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_OT_TAG_VVAR, HB_TAG_NONE,
 			   ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
   ot_font->glyf.init (face);
   ot_font->cbdt.init (face);
@@ -488,23 +494,23 @@ hb_ot_get_variation_glyph (hb_font_t *font HB_UNUSED,
 }
 
 static hb_position_t
-hb_ot_get_glyph_h_advance (hb_font_t *font HB_UNUSED,
+hb_ot_get_glyph_h_advance (hb_font_t *font,
 			   void *font_data,
 			   hb_codepoint_t glyph,
 			   void *user_data HB_UNUSED)
 {
   const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
-  return font->em_scale_x (ot_font->h_metrics.get_advance (glyph));
+  return font->em_scale_x (ot_font->h_metrics.get_advance (glyph, font));
 }
 
 static hb_position_t
-hb_ot_get_glyph_v_advance (hb_font_t *font HB_UNUSED,
+hb_ot_get_glyph_v_advance (hb_font_t *font,
 			   void *font_data,
 			   hb_codepoint_t glyph,
 			   void *user_data HB_UNUSED)
 {
   const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
-  return font->em_scale_y (-(int) ot_font->v_metrics.get_advance (glyph));
+  return font->em_scale_y (-(int) ot_font->v_metrics.get_advance (glyph, font));
 }
 
 static hb_bool_t
diff --git a/src/hb-ot-var-hvar-table.hh b/src/hb-ot-var-hvar-table.hh
index cf22c9d9c..9931a5e60 100644
--- a/src/hb-ot-var-hvar-table.hh
+++ b/src/hb-ot-var-hvar-table.hh
@@ -98,8 +98,8 @@ struct DeltaSetIndexMap
 
 struct HVARVVAR
 {
-  static const hb_tag_t HVARTag	= HB_OT_TAG_hmtx;
-  static const hb_tag_t VVARTag	= HB_OT_TAG_vmtx;
+  static const hb_tag_t HVARTag	= HB_OT_TAG_HVAR;
+  static const hb_tag_t VVARTag	= HB_OT_TAG_VVAR;
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -112,8 +112,8 @@ struct HVARVVAR
 		  rsbMap.sanitize (c, this));
   }
 
-  inline float get_advance_delta (hb_codepoint_t glyph,
-				  int *coords, unsigned int coord_count) const
+  inline float get_advance_var (hb_codepoint_t glyph,
+				int *coords, unsigned int coord_count) const
   {
     unsigned int varidx = (this+advMap).map (glyph);
     return (this+varStore).get_delta (varidx, coords, coord_count);

From 607434037199ccca422287e4d097487f17f3cfb5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Jan 2017 17:55:16 -0800
Subject: [PATCH 0233/1326] [var] Fix bug in HVAR/VVAR impl

---
 src/hb-ot-var-hvar-table.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-var-hvar-table.hh b/src/hb-ot-var-hvar-table.hh
index 9931a5e60..3a2a82037 100644
--- a/src/hb-ot-var-hvar-table.hh
+++ b/src/hb-ot-var-hvar-table.hh
@@ -71,10 +71,10 @@ struct DeltaSetIndexMap
   }
 
   protected:
-  inline bool get_width (void) const
+  inline unsigned int get_width (void) const
   { return ((format >> 4) & 3) + 1; }
 
-  inline bool get_inner_bitcount (void) const
+  inline unsigned int get_inner_bitcount (void) const
   { return (format & 0xF) + 1; }
 
   protected:

From 79e8e27ffd3da29ca27d3aebd2ef425bf1cb7f9d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Jan 2017 17:55:31 -0800
Subject: [PATCH 0234/1326] [var] Hook up advance variations to hb-ot-font

Yay, works!
---
 src/hb-ot-font.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index c597f1456..009db20ae 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -138,7 +138,8 @@ struct hb_ot_face_metrics_accelerator_t
 	return this->default_advance;
     }
 
-    return this->table->longMetric[MIN (glyph, this->num_advances - 1)].advance;
+    return this->table->longMetric[MIN (glyph, this->num_advances - 1)].advance
+	 + this->var->get_advance_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
   }
 };
 
@@ -524,6 +525,7 @@ hb_ot_get_glyph_extents (hb_font_t *font HB_UNUSED,
   bool ret = ot_font->glyf->get_extents (glyph, extents);
   if (!ret)
     ret = ot_font->cbdt->get_extents (glyph, extents);
+  // TODO Hook up side-bearings variations.
   extents->x_bearing = font->em_scale_x (extents->x_bearing);
   extents->y_bearing = font->em_scale_y (extents->y_bearing);
   extents->width     = font->em_scale_x (extents->width);
@@ -541,6 +543,7 @@ hb_ot_get_font_h_extents (hb_font_t *font HB_UNUSED,
   metrics->ascender = font->em_scale_y (ot_font->h_metrics.ascender);
   metrics->descender = font->em_scale_y (ot_font->h_metrics.descender);
   metrics->line_gap = font->em_scale_y (ot_font->h_metrics.line_gap);
+  // TODO Hook up variations.
   return ot_font->h_metrics.has_font_extents;
 }
 
@@ -554,6 +557,7 @@ hb_ot_get_font_v_extents (hb_font_t *font HB_UNUSED,
   metrics->ascender = font->em_scale_x (ot_font->v_metrics.ascender);
   metrics->descender = font->em_scale_x (ot_font->v_metrics.descender);
   metrics->line_gap = font->em_scale_x (ot_font->v_metrics.line_gap);
+  // TODO Hook up variations.
   return ot_font->v_metrics.has_font_extents;
 }
 

From 6af6c1114a3495584ac4197c62592741c407b5a2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Jan 2017 18:35:00 -0800
Subject: [PATCH 0235/1326] 1.4.2

---
 NEWS         | 31 +++++++++++++++++++++++++++++++
 configure.ac |  2 +-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 8c3ef117d..43a3bacea 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,34 @@
+Overview of changes leading to 1.4.2
+Monday, January 23, 2017
+====================================
+
+- Implement OpenType Font Variation tables avar/fvar/HVAR/VVAR.
+- hb-shape and hb-view now accept --variations.
+- New API:
+
+hb_variation_t
+hb_variation_from_string()
+hb_variation_to_string()
+
+hb_font_set_variations()
+hb_font_set_var_coords_design()
+hb_font_get_var_coords_normalized()
+
+hb-ot-var.h:
+hb_ot_var_axis_t
+hb_ot_var_has_data()
+hb_ot_var_get_axis_count()
+hb_ot_var_get_axes()
+hb_ot_var_find_axis()
+hb_ot_var_normalize_variations()
+hb_ot_var_normalize_coords()
+
+- MVAR to be implemented later.  Access to named instances to be
+  implemented later as well.
+
+- Misc fixes.
+
+
 Overview of changes leading to 1.4.1
 Thursday, January 5, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 32dcf18ed..31fa97d3b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.1],
+        [1.4.2],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 67a191164dec2cfcab97363175c58e459f6ff8f9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Jan 2017 23:21:30 -0800
Subject: [PATCH 0236/1326] [var] Whitespace

---
 src/hb-ot-var-hvar-table.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-var-hvar-table.hh b/src/hb-ot-var-hvar-table.hh
index 3a2a82037..f9d801e3b 100644
--- a/src/hb-ot-var-hvar-table.hh
+++ b/src/hb-ot-var-hvar-table.hh
@@ -78,10 +78,10 @@ struct DeltaSetIndexMap
   { return (format & 0xF) + 1; }
 
   protected:
-  USHORT format;		/* A packed field that describes the compressed
+  USHORT	format;		/* A packed field that describes the compressed
 				 * representation of delta-set indices. */
-  USHORT mapCount;		/* The number of mapping entries. */
-  BYTE mapData[VAR];		/* The delta-set index mapping data. */
+  USHORT	mapCount;	/* The number of mapping entries. */
+  BYTE		mapData[VAR];	/* The delta-set index mapping data. */
 
   public:
   DEFINE_SIZE_ARRAY (4, mapData);

From 22af28a3f14c6d748ed589f8980b168152116c8c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Jan 2017 23:42:53 -0800
Subject: [PATCH 0237/1326] [var] Implement MVAR table

Unhooked. Untested.
---
 src/Makefile.sources        |   1 +
 src/hb-font.cc              |   2 +-
 src/hb-ot-var-mvar-table.hh | 110 ++++++++++++++++++++++++++++++++++++
 src/hb-ot-var.cc            |   1 +
 4 files changed, 113 insertions(+), 1 deletion(-)
 create mode 100644 src/hb-ot-var-mvar-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 8d7f1a05d..6363cf930 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -112,6 +112,7 @@ HB_OT_sources = \
 	hb-ot-var-avar-table.hh \
 	hb-ot-var-fvar-table.hh \
 	hb-ot-var-hvar-table.hh \
+	hb-ot-var-mvar-table.hh \
 	$(NULL)
 
 HB_OT_headers = \
diff --git a/src/hb-font.cc b/src/hb-font.cc
index ea4550126..826d3e1be 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1627,7 +1627,7 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
 }
 
 /**
- * hb_font_set_var_coords_normalized:
+ * hb_font_get_var_coords_normalized:
  *
  * Return value is valid as long as variation coordinates of the font
  * are not modified.
diff --git a/src/hb-ot-var-mvar-table.hh b/src/hb-ot-var-mvar-table.hh
new file mode 100644
index 000000000..3cb749847
--- /dev/null
+++ b/src/hb-ot-var-mvar-table.hh
@@ -0,0 +1,110 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_VAR_MVAR_TABLE_HH
+#define HB_OT_VAR_MVAR_TABLE_HH
+
+#include "hb-ot-layout-common-private.hh"
+
+
+namespace OT {
+
+
+struct VariationValueRecord
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  public:
+  Tag		valueTag;	/* Four-byte tag identifying a font-wide measure. */
+  ULONG		varIdx;		/* Outer/inner index into VariationStore item. */
+
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
+
+/*
+ * MVAR -- Metrics Variations Table
+ */
+
+#define HB_OT_TAG_MVAR HB_TAG('M','V','A','R')
+
+struct MVAR
+{
+  static const hb_tag_t tableTag	= HB_OT_TAG_MVAR;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+		  likely (version.major == 1) &&
+		  c->check_struct (this) &&
+		  valueRecordSize >= VariationValueRecord::static_size &&
+		  varStore.sanitize (c, this) &&
+		  c->check_array (values, valueRecordSize, valueRecordCount));
+  }
+
+  inline float get_var (hb_tag_t tag,
+			int *coords, unsigned int coord_count) const
+  {
+    const VariationValueRecord *record;
+    record = (VariationValueRecord *) bsearch (&tag, values,
+					       valueRecordCount, valueRecordSize,
+					       (hb_compare_func_t) tag_compare);
+    if (!record)
+      return 0.;
+
+    return (this+varStore).get_delta (record->varIdx, coords, coord_count);
+  }
+
+protected:
+  static inline int tag_compare (const hb_tag_t *a, const Tag *b)
+  { return b->cmp (*a); }
+
+  protected:
+  FixedVersion<>version;	/* Version of the metrics variation table
+				 * initially set to 0x00010000u */
+  USHORT	reserved;	/* Not used; set to 0. */
+  USHORT	valueRecordSize;/* The size in bytes of each value record —
+				 * must be greater than zero. */
+  USHORT	valueRecordCount;/* The number of value records — may be zero. */
+  OffsetTo<VariationStore>
+		varStore;	/* Offset to item variation store table. */
+  BYTE		values[VAR];	/* Array of value records. The records must be
+				 * in binary order of their valueTag field. */
+
+  public:
+  DEFINE_SIZE_ARRAY (12, values);
+};
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_VAR_MVAR_TABLE_HH */
diff --git a/src/hb-ot-var.cc b/src/hb-ot-var.cc
index d4d16dfff..b0d37900e 100644
--- a/src/hb-ot-var.cc
+++ b/src/hb-ot-var.cc
@@ -29,6 +29,7 @@
 #include "hb-ot-layout-private.hh"
 #include "hb-ot-var-avar-table.hh"
 #include "hb-ot-var-fvar-table.hh"
+#include "hb-ot-var-mvar-table.hh"
 #include "hb-ot-var.h"
 
 HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)

From 72c754873c6b15cecb32d9e491c98495f804347a Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Thu, 26 Jan 2017 22:35:41 +0000
Subject: [PATCH 0238/1326] Add Win7 version of himalaya.ttf to the GDEF table
 blacklist. (#407)

---
 src/hb-ot-layout.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index d7ededd8d..274f93359 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -111,6 +111,8 @@ _hb_ot_layout_create (hb_face_t *face)
       || (832 == gdef_len && 47162 == gpos_len && 7324 == gsub_len)
       /* sha1sum:12fc4538e84d461771b30c18b5eb6bd434e30fba  Tahoma Bold.ttf from Mac OS X 10.9 */
       || (844 == gdef_len && 45474 == gpos_len && 7302 == gsub_len)
+      /* sha1sum:eb8afadd28e9cf963e886b23a30b44ab4fd83acc  himalaya.ttf from Windows 7 */
+      || (180 == gdef_len && 7254 == gpos_len && 13054 == gsub_len)
       /* sha1sum:73da7f025b238a3f737aa1fde22577a6370f77b0  himalaya.ttf from Windows 8 */
       || (192 == gdef_len && 7254 == gpos_len && 12638 == gsub_len)
       /* sha1sum:6e80fd1c0b059bbee49272401583160dc1e6a427  himalaya.ttf from Windows 8.1 */

From e888f642db16f52836cbfec29de43ff20236dc85 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 26 Jan 2017 14:50:14 -0800
Subject: [PATCH 0239/1326] Route Adlam through Arabic shaper

Fixes joined Adlam rendering.

Fixes https://github.com/googlei18n/noto-fonts/issues/828
---
 src/hb-ot-shape-complex-private.hh              |   3 +++
 test/shaping/Makefile.am                        |   1 +
 ...5dfad7735c6a67085f1b90d4d497e32907db4c78.ttf | Bin 0 -> 21160 bytes
 test/shaping/tests/arabic-like-joining.tests    |   1 +
 4 files changed, 5 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/5dfad7735c6a67085f1b90d4d497e32907db4c78.ttf
 create mode 100644 test/shaping/tests/arabic-like-joining.tests

diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index 39572dfe0..952441b6a 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -191,6 +191,9 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
     case HB_SCRIPT_MANICHAEAN:
     case HB_SCRIPT_PSALTER_PAHLAVI:
 
+    /* Unicode-9.0 additions */
+    case HB_SCRIPT_ADLAM:
+
       /* For Arabic script, use the Arabic shaper even if no OT script tag was found.
        * This is because we do fallback shaping for Arabic script (and not others).
        * But note that Arabic shaping is applicable only to horizontal layout; for
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index ea0b28a7e..89578e10b 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -43,6 +43,7 @@ CLEANFILES += \
 TESTS = \
 	tests/arabic-fallback-shaping.tests \
 	tests/arabic-feature-order.tests \
+	tests/arabic-like-joining.tests \
 	tests/automatic-fractions.tests \
 	tests/cluster.tests \
 	tests/color-fonts.tests \
diff --git a/test/shaping/fonts/sha1sum/5dfad7735c6a67085f1b90d4d497e32907db4c78.ttf b/test/shaping/fonts/sha1sum/5dfad7735c6a67085f1b90d4d497e32907db4c78.ttf
new file mode 100644
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DNs3D4

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/arabic-like-joining.tests b/test/shaping/tests/arabic-like-joining.tests
new file mode 100644
index 000000000..ec994d089
--- /dev/null
+++ b/test/shaping/tests/arabic-like-joining.tests
@@ -0,0 +1 @@
+fonts/sha1sum/5dfad7735c6a67085f1b90d4d497e32907db4c78.ttf::U+1E922,U+1E923,U+1E924,U+1E925,U+1E926,U+1E927,U+1E928,U+1E929,U+1E92A,U+1E92B,U+1E92C,U+1E92D,U+1E92E,U+1E92F,U+1E930,U+1E931,U+1E932,U+1E933,U+1E934,U+1E935,U+1E936,U+1E937,U+1E938,U+1E939,U+1E93A,U+1E93B,U+1E93C,U+1E93D,U+1E93E,U+1E93F,U+1E940,U+1E941,U+1E942,U+1E943:[sha_adlam.fina=33+711|kpo_adlam.medi=32+573|zal_adlam.medi=31+773|gbe_adlam.medi=30+594|kha_adlam.medi=29+686|va_adlam.medi=28+621|nha_adlam.medi=27+587|tu_adlam.medi=26+772|nya_adlam.medi=25+577|ga_adlam.medi=24+552|qaaf_adlam.medi=23+694|ha_adlam.medi=22+600|chi_adlam.medi=21+662|jiim_adlam.medi=20+781|u_adlam.medi=19+678|ya_adlam.medi=18+553|kaf_adlam.medi=17+808|nun_adlam.medi=16+561|waw_adlam.medi=15+651|yhe_adlam.medi=14+674|dha_adlam.medi=13+674|o_adlam.medi=12+640|i_adlam.medi=11+657|fa_adlam.medi=10+590|e_adlam.medi=9+628|ra_adlam.medi=8+599|bhe_adlam.medi=7+594|pe_adlam.medi=6+492|sinnyiiyhe_adlam.medi=5+777|ba_adlam.medi=4+655|miim_adlam.medi=3+525|laam_adlam.medi=2+554|daali_adlam.medi=1+600|alif_adlam.init=0+597]

From 1dd630a7f2c2cec780fee507367341bc9050cdb3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Feb 2017 11:57:21 -0800
Subject: [PATCH 0240/1326] Minor

Fixes https://github.com/behdad/harfbuzz/issues/411
---
 src/hb-fallback-shape.cc     | 2 +-
 src/hb-ot-shape-normalize.cc | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-fallback-shape.cc b/src/hb-fallback-shape.cc
index ac6d4b00f..e5a80ee32 100644
--- a/src/hb-fallback-shape.cc
+++ b/src/hb-fallback-shape.cc
@@ -125,7 +125,7 @@ _hb_fallback_shape (hb_shape_plan_t    *shape_plan HB_UNUSED,
       pos[i].y_advance = 0;
       continue;
     }
-    font->get_nominal_glyph (info[i].codepoint, &info[i].codepoint);
+    (void) font->get_nominal_glyph (info[i].codepoint, &info[i].codepoint);
     font->get_glyph_advance_for_direction (info[i].codepoint,
 					   direction,
 					   &pos[i].x_advance,
diff --git a/src/hb-ot-shape-normalize.cc b/src/hb-ot-shape-normalize.cc
index 107617e81..94a3d7d27 100644
--- a/src/hb-ot-shape-normalize.cc
+++ b/src/hb-ot-shape-normalize.cc
@@ -91,7 +91,7 @@ compose_unicode (const hb_ot_shape_normalize_context_t *c,
 static inline void
 set_glyph (hb_glyph_info_t &info, hb_font_t *font)
 {
-  font->get_nominal_glyph (info.codepoint, &info.glyph_index());
+  (void) font->get_nominal_glyph (info.codepoint, &info.glyph_index());
 }
 
 static inline void

From 4ec19319ab195d852708661e12da2a6485fce544 Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Thu, 2 Feb 2017 18:48:23 +0000
Subject: [PATCH 0241/1326] Add Win10 Anniversary Update version of Tahoma to
 GDEF blacklist. (#412)

---
 src/hb-ot-layout.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 274f93359..580397bd3 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -107,6 +107,10 @@ _hb_ot_layout_create (hb_face_t *face)
       || (994 == gdef_len && 60336 == gpos_len && 24474 == gsub_len)
       /* sha1sum:7199385abb4c2cc81c83a151a7599b6368e92343  tahomabd.ttf from Windows 10 */
       || (1006 == gdef_len && 61740 == gpos_len && 24470 == gsub_len)
+      /* sha1sum:b9c84d820c49850d3d27ec498be93955b82772b5  tahoma.ttf from Windows 10 AU */
+      || (1006 == gdef_len && 61352 == gpos_len && 24576 == gsub_len)
+      /* sha1sum:2bdfaab28174bdadd2f3d4200a30a7ae31db79d2  tahomabd.ttf from Windows 10 AU */
+      || (1018 == gdef_len && 62834 == gpos_len && 24572 == gsub_len)
       /* sha1sum:b0d36cf5a2fbe746a3dd277bffc6756a820807a7  Tahoma.ttf from Mac OS X 10.9 */
       || (832 == gdef_len && 47162 == gpos_len && 7324 == gsub_len)
       /* sha1sum:12fc4538e84d461771b30c18b5eb6bd434e30fba  Tahoma Bold.ttf from Mac OS X 10.9 */

From 95808bad2c17a9ef41c58c04faf1b4706fb7d72e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Feb 2017 10:39:40 -0800
Subject: [PATCH 0242/1326] Add new API hb_font_set_face()

For completeness.
---
 src/hb-font.cc | 29 +++++++++++++++++++++++++++++
 src/hb-font.h  |  4 ++++
 2 files changed, 33 insertions(+)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 826d3e1be..db3ffcce7 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1371,6 +1371,35 @@ hb_font_get_parent (hb_font_t *font)
   return font->parent;
 }
 
+/**
+ * hb_font_set_face:
+ * @font: a font.
+ * @face: new face.
+ *
+ * Sets font-face of @font.
+ *
+ * Since: 1.4.3
+ **/
+void
+hb_font_set_face (hb_font_t *font,
+		  hb_face_t *face)
+{
+  if (font->immutable)
+    return;
+
+  if (unlikely (!face))
+    face = hb_face_get_empty ();
+
+  if (font->face == face)
+    return;
+
+  hb_face_t *old = font->face;
+
+  font->face = hb_face_reference (face);
+
+  hb_face_destroy (old);
+}
+
 /**
  * hb_font_get_face:
  * @font: a font.
diff --git a/src/hb-font.h b/src/hb-font.h
index e2e59796f..85fb56d5b 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -563,6 +563,10 @@ hb_font_set_parent (hb_font_t *font,
 HB_EXTERN hb_font_t *
 hb_font_get_parent (hb_font_t *font);
 
+HB_EXTERN void
+hb_font_set_face (hb_font_t *font,
+		  hb_face_t *face);
+
 HB_EXTERN hb_face_t *
 hb_font_get_face (hb_font_t *font);
 

From 2171f48b4b1e66a3c16a83cc00b0006d32ae9738 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Feb 2017 10:58:09 -0800
Subject: [PATCH 0243/1326] Add dirty-state tracking to hb_font_t

---
 src/hb-font-private.hh | 12 ++++++++++++
 src/hb-font.cc         | 30 ++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 53671d78d..fbb16a0b7 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -116,6 +116,16 @@ struct hb_font_t {
   void              *user_data;
   hb_destroy_func_t  destroy;
 
+  enum dirty_t {
+    NOTHING	= 0x0000,
+    FACE	= 0x0001,
+    PARENT	= 0x0002,
+    FUNCS	= 0x0004,
+    SCALE	= 0x0008,
+    PPEM	= 0x0010,
+    VARIATIONS	= 0x0020,
+  } dirty;
+
   struct hb_shaper_data_t shaper_data;
 
 
@@ -543,6 +553,8 @@ struct hb_font_t {
   }
 };
 
+HB_MARK_AS_FLAG_T (hb_font_t::dirty_t);
+
 #define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, font);
 #include "hb-shaper-list.hh"
diff --git a/src/hb-font.cc b/src/hb-font.cc
index db3ffcce7..cc0e6c348 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1196,6 +1196,8 @@ hb_font_get_empty (void)
     NULL, /* user_data */
     NULL, /* destroy */
 
+    hb_font_t::NOTHING, /* dirty_bits */
+
     {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
 #include "hb-shaper-list.hh"
@@ -1348,6 +1350,11 @@ hb_font_set_parent (hb_font_t *font,
   if (!parent)
     parent = hb_font_get_empty ();
 
+  if (parent == font->parent)
+    return;
+
+  font->dirty |= font->PARENT;
+
   hb_font_t *old = font->parent;
 
   font->parent = hb_font_reference (parent);
@@ -1393,6 +1400,8 @@ hb_font_set_face (hb_font_t *font,
   if (font->face == face)
     return;
 
+  font->dirty |= font->FACE;
+
   hb_face_t *old = font->face;
 
   font->face = hb_face_reference (face);
@@ -1446,6 +1455,8 @@ hb_font_set_funcs (hb_font_t         *font,
   if (!klass)
     klass = hb_font_funcs_get_empty ();
 
+  font->dirty |= font->FUNCS;
+
   hb_font_funcs_reference (klass);
   hb_font_funcs_destroy (font->klass);
   font->klass = klass;
@@ -1501,6 +1512,11 @@ hb_font_set_scale (hb_font_t *font,
   if (font->immutable)
     return;
 
+  if (font->x_scale == x_scale && font->y_scale == y_scale)
+    return;
+
+  font->dirty |= font->SCALE;
+
   font->x_scale = x_scale;
   font->y_scale = y_scale;
 }
@@ -1542,6 +1558,11 @@ hb_font_set_ppem (hb_font_t *font,
   if (font->immutable)
     return;
 
+  if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
+    return;
+
+  font->dirty |= font->PPEM;
+
   font->x_ppem = x_ppem;
   font->y_ppem = y_ppem;
 }
@@ -1574,6 +1595,15 @@ _hb_font_adopt_var_coords_normalized (hb_font_t *font,
 				      int *coords, /* 2.14 normalized */
 				      unsigned int coords_length)
 {
+  if (font->num_coords == coords_length &&
+      0 == memcmp (font->coords, coords, coords_length * sizeof (coords[0])))
+  {
+    free (coords);
+    return;
+  }
+
+  font->dirty |= font->VARIATIONS;
+
   free (font->coords);
 
   font->coords = coords;

From d3d3691806aaa6aed93a88c845d472e727e7f850 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Feb 2017 15:42:03 -0800
Subject: [PATCH 0244/1326] Add dirty-state tracking to hb_face_t

---
 src/hb-face-private.hh |  9 +++++++++
 src/hb-face.cc         | 19 ++++++++++++++++++-
 src/hb-font.cc         |  2 +-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/hb-face-private.hh b/src/hb-face-private.hh
index 43e7b1cb3..eb0e850aa 100644
--- a/src/hb-face-private.hh
+++ b/src/hb-face-private.hh
@@ -54,6 +54,13 @@ struct hb_face_t {
   mutable unsigned int upem;		/* Units-per-EM. */
   mutable unsigned int num_glyphs;	/* Number of glyphs. */
 
+  enum dirty_t {
+    NOTHING	= 0x0000,
+    INDEX	= 0x0001,
+    UPEM	= 0x0002,
+    NUM_GLYPHS	= 0x0004,
+  } dirty;
+
   struct hb_shaper_data_t shaper_data;	/* Various shaper data. */
 
   /* Various non-shaping data. */
@@ -99,6 +106,8 @@ struct hb_face_t {
   HB_INTERNAL void load_num_glyphs (void) const;
 };
 
+HB_MARK_AS_FLAG_T (hb_face_t::dirty_t);
+
 extern HB_INTERNAL const hb_face_t _hb_face_nil;
 
 #define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
diff --git a/src/hb-face.cc b/src/hb-face.cc
index 1ba970707..1800c995a 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -51,6 +51,8 @@ const hb_face_t _hb_face_nil = {
   1000, /* upem */
   0,    /* num_glyphs */
 
+  hb_face_t::NOTHING, /* dirty */
+
   {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
 #include "hb-shaper-list.hh"
@@ -171,7 +173,7 @@ hb_face_create (hb_blob_t    *blob,
 				    closure,
 				    (hb_destroy_func_t) _hb_face_for_data_closure_destroy);
 
-  hb_face_set_index (face, index);
+  face->index = index;
 
   return face;
 }
@@ -365,6 +367,11 @@ hb_face_set_index (hb_face_t    *face,
   if (face->immutable)
     return;
 
+  if (face->index == index)
+    return;
+
+  face->dirty |= face->INDEX;
+
   face->index = index;
 }
 
@@ -400,6 +407,11 @@ hb_face_set_upem (hb_face_t    *face,
   if (face->immutable)
     return;
 
+  if (face->upem == upem)
+    return;
+
+  face->dirty |= face->UPEM;
+
   face->upem = upem;
 }
 
@@ -444,6 +456,11 @@ hb_face_set_glyph_count (hb_face_t    *face,
   if (face->immutable)
     return;
 
+  if (face->num_glyphs == glyph_count)
+    return;
+
+  face->dirty |= face->NUM_GLYPHS;
+
   face->num_glyphs = glyph_count;
 }
 
diff --git a/src/hb-font.cc b/src/hb-font.cc
index cc0e6c348..a08766f5b 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1196,7 +1196,7 @@ hb_font_get_empty (void)
     NULL, /* user_data */
     NULL, /* destroy */
 
-    hb_font_t::NOTHING, /* dirty_bits */
+    hb_font_t::NOTHING, /* dirty */
 
     {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,

From fc8189b63931f03c5d2e70dde198e9c856bd78f5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Feb 2017 16:17:08 -0800
Subject: [PATCH 0245/1326] Minor

---
 src/hb-shaper-private.hh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-shaper-private.hh b/src/hb-shaper-private.hh
index d1d1146da..95358416c 100644
--- a/src/hb-shaper-private.hh
+++ b/src/hb-shaper-private.hh
@@ -65,9 +65,10 @@ struct hb_shaper_data_t {
 #define HB_SHAPER_DATA_INVALID ((void *) -1)
 #define HB_SHAPER_DATA_IS_INVALID(data) ((void *) (data) == HB_SHAPER_DATA_INVALID)
 
-#define HB_SHAPER_DATA_TYPE(shaper, object)		struct hb_##shaper##_shaper_##object##_data_t
+#define HB_SHAPER_DATA_TYPE_NAME(shaper, object)	hb_##shaper##_shaper_##object##_data_t
+#define HB_SHAPER_DATA_TYPE(shaper, object)		struct HB_SHAPER_DATA_TYPE_NAME(shaper, object)
 #define HB_SHAPER_DATA_INSTANCE(shaper, object, instance)	(* (HB_SHAPER_DATA_TYPE(shaper, object) **) &(instance)->shaper_data.shaper)
-#define HB_SHAPER_DATA(shaper, object)			HB_SHAPER_DATA_INSTANCE (shaper, object, object)
+#define HB_SHAPER_DATA(shaper, object)			HB_SHAPER_DATA_INSTANCE(shaper, object, object)
 #define HB_SHAPER_DATA_CREATE_FUNC(shaper, object)	_hb_##shaper##_shaper_##object##_data_create
 #define HB_SHAPER_DATA_DESTROY_FUNC(shaper, object)	_hb_##shaper##_shaper_##object##_data_destroy
 

From 466b3e58bdc64229dab08c6e0e0079c789540370 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Feb 2017 16:43:25 -0800
Subject: [PATCH 0246/1326] Shuffle things around a bit

---
 src/hb-coretext.cc          |  4 ++--
 src/hb-directwrite.cc       |  4 ++--
 src/hb-fallback-shape.cc    |  4 ++++
 src/hb-graphite2.cc         |  4 ++--
 src/hb-ot-layout-private.hh |  1 -
 src/hb-ot-layout.cc         |  2 --
 src/hb-ot-math.cc           |  3 +--
 src/hb-ot-shape.cc          |  4 ++++
 src/hb-ot-var.cc            |  2 --
 src/hb-shape-plan.cc        |  7 -------
 src/hb-shaper-private.hh    | 11 +++++++----
 src/hb-uniscribe.cc         |  4 ++--
 12 files changed, 24 insertions(+), 26 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index e857dfae0..86de0becf 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -69,8 +69,8 @@ hb_coretext_face_create (CGFontRef cg_font)
 }
 
 
-HB_SHAPER_DATA_ENSURE_DECLARE(coretext, face)
-HB_SHAPER_DATA_ENSURE_DECLARE(coretext, font)
+HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
+HB_SHAPER_DATA_ENSURE_DEFINE(coretext, font)
 
 
 /*
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index d63bc0473..ab07d8a30 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -34,8 +34,8 @@
 #define HB_DEBUG_DIRECTWRITE (HB_DEBUG+0)
 #endif
 
-HB_SHAPER_DATA_ENSURE_DECLARE(directwrite, face)
-HB_SHAPER_DATA_ENSURE_DECLARE(directwrite, font)
+HB_SHAPER_DATA_ENSURE_DEFINE(directwrite, face)
+HB_SHAPER_DATA_ENSURE_DEFINE(directwrite, font)
 
 
 /*
diff --git a/src/hb-fallback-shape.cc b/src/hb-fallback-shape.cc
index e5a80ee32..4b60c6c34 100644
--- a/src/hb-fallback-shape.cc
+++ b/src/hb-fallback-shape.cc
@@ -28,6 +28,10 @@
 #include "hb-shaper-impl-private.hh"
 
 
+HB_SHAPER_DATA_ENSURE_DEFINE(fallback, face)
+HB_SHAPER_DATA_ENSURE_DEFINE(fallback, font)
+
+
 /*
  * shaper face data
  */
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index a2d90db87..68f0817d0 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -35,8 +35,8 @@
 #include <graphite2/Segment.h>
 
 
-HB_SHAPER_DATA_ENSURE_DECLARE(graphite2, face)
-HB_SHAPER_DATA_ENSURE_DECLARE(graphite2, font)
+HB_SHAPER_DATA_ENSURE_DEFINE(graphite2, face)
+HB_SHAPER_DATA_ENSURE_DEFINE(graphite2, font)
 
 
 /*
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 8c348beb1..071a439d6 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -623,5 +623,4 @@ _hb_buffer_assert_gsubgpos_vars (hb_buffer_t *buffer)
 #undef lig_props
 #undef glyph_props
 
-
 #endif /* HB_OT_LAYOUT_PRIVATE_HH */
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 580397bd3..a1682a5f9 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -39,8 +39,6 @@
 #include "hb-ot-map-private.hh"
 
 
-HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
-
 hb_ot_layout_t *
 _hb_ot_layout_create (hb_face_t *face)
 {
diff --git a/src/hb-ot-math.cc b/src/hb-ot-math.cc
index 2d7e6792a..f82a07353 100644
--- a/src/hb-ot-math.cc
+++ b/src/hb-ot-math.cc
@@ -26,10 +26,9 @@
 
 #include "hb-open-type-private.hh"
 
+#include "hb-ot-layout-private.hh"
 #include "hb-ot-math-table.hh"
 
-HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
-
 static inline const OT::MATH&
 _get_math (hb_face_t *face)
 {
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 6b38739c9..2eacb34c4 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -128,6 +128,8 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t          *planner,
  * shaper face data
  */
 
+HB_SHAPER_DATA_ENSURE_DEFINE(ot, face)
+
 hb_ot_shaper_face_data_t *
 _hb_ot_shaper_face_data_create (hb_face_t *face)
 {
@@ -145,6 +147,8 @@ _hb_ot_shaper_face_data_destroy (hb_ot_shaper_face_data_t *data)
  * shaper font data
  */
 
+HB_SHAPER_DATA_ENSURE_DEFINE(ot, font)
+
 struct hb_ot_shaper_font_data_t {};
 
 hb_ot_shaper_font_data_t *
diff --git a/src/hb-ot-var.cc b/src/hb-ot-var.cc
index b0d37900e..691196d9b 100644
--- a/src/hb-ot-var.cc
+++ b/src/hb-ot-var.cc
@@ -32,8 +32,6 @@
 #include "hb-ot-var-mvar-table.hh"
 #include "hb-ot-var.h"
 
-HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
-
 /*
  * fvar/avar
  */
diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index 600faaeb1..1ac77bef7 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -35,13 +35,6 @@
 #endif
 
 
-#define HB_SHAPER_IMPLEMENT(shaper) \
-	HB_SHAPER_DATA_ENSURE_DECLARE(shaper, face) \
-	HB_SHAPER_DATA_ENSURE_DECLARE(shaper, font)
-#include "hb-shaper-list.hh"
-#undef HB_SHAPER_IMPLEMENT
-
-
 static void
 hb_shape_plan_plan (hb_shape_plan_t    *shape_plan,
 		    const hb_feature_t *user_features,
diff --git a/src/hb-shaper-private.hh b/src/hb-shaper-private.hh
index 95358416c..381398a61 100644
--- a/src/hb-shaper-private.hh
+++ b/src/hb-shaper-private.hh
@@ -71,22 +71,25 @@ struct hb_shaper_data_t {
 #define HB_SHAPER_DATA(shaper, object)			HB_SHAPER_DATA_INSTANCE(shaper, object, object)
 #define HB_SHAPER_DATA_CREATE_FUNC(shaper, object)	_hb_##shaper##_shaper_##object##_data_create
 #define HB_SHAPER_DATA_DESTROY_FUNC(shaper, object)	_hb_##shaper##_shaper_##object##_data_destroy
+#define HB_SHAPER_DATA_ENSURE_FUNC(shaper, object)	hb_##shaper##_shaper_##object##_data_ensure
 
 #define HB_SHAPER_DATA_PROTOTYPE(shaper, object) \
 	HB_SHAPER_DATA_TYPE (shaper, object); /* Type forward declaration. */ \
 	extern "C" HB_INTERNAL HB_SHAPER_DATA_TYPE (shaper, object) * \
 	HB_SHAPER_DATA_CREATE_FUNC (shaper, object) (hb_##object##_t *object HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS); \
 	extern "C" HB_INTERNAL void \
-	HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (HB_SHAPER_DATA_TYPE (shaper, object) *data)
+	HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (HB_SHAPER_DATA_TYPE (shaper, object) *data); \
+	extern "C" HB_INTERNAL bool \
+	HB_SHAPER_DATA_ENSURE_FUNC (shaper, object) (hb_##object##_t *object)
 
 #define HB_SHAPER_DATA_DESTROY(shaper, object) \
     if (HB_SHAPER_DATA_TYPE (shaper, object) *data = HB_SHAPER_DATA (shaper, object)) \
       if (data != HB_SHAPER_DATA_INVALID && data != HB_SHAPER_DATA_SUCCEEDED) \
         HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (data);
 
-#define HB_SHAPER_DATA_ENSURE_DECLARE(shaper, object) \
-static inline bool \
-hb_##shaper##_shaper_##object##_data_ensure (hb_##object##_t *object) \
+#define HB_SHAPER_DATA_ENSURE_DEFINE(shaper, object) \
+bool \
+HB_SHAPER_DATA_ENSURE_FUNC(shaper, object) (hb_##object##_t *object) \
 {\
   retry: \
   HB_SHAPER_DATA_TYPE (shaper, object) *data = (HB_SHAPER_DATA_TYPE (shaper, object) *) hb_atomic_ptr_get (&HB_SHAPER_DATA (shaper, object)); \
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 6e4db0149..58f983dbe 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -293,8 +293,8 @@ struct range_record_t {
   unsigned int index_last;  /* == end - 1 */
 };
 
-HB_SHAPER_DATA_ENSURE_DECLARE(uniscribe, face)
-HB_SHAPER_DATA_ENSURE_DECLARE(uniscribe, font)
+HB_SHAPER_DATA_ENSURE_DEFINE(uniscribe, face)
+HB_SHAPER_DATA_ENSURE_DEFINE(uniscribe, font)
 
 
 /*

From 73c6dcbb45269186f204b2212288b6384ce42c9d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 7 Feb 2017 16:53:21 -0800
Subject: [PATCH 0247/1326] Silence Coverity warning

Fixes https://github.com/behdad/harfbuzz/issues/408
---
 src/hb-ot-shape-complex-arabic.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 56ec5cd65..57ffc1dc5 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -540,7 +540,7 @@ apply_stch (const hb_ot_shape_plan_t *plan,
       /* See if we can improve the fit by adding an extra repeat and squeezing them together a bit. */
       hb_position_t extra_repeat_overlap = 0;
       hb_position_t shortfall = sign * w_remaining - sign * w_repeating * (n_copies + 1);
-      if (shortfall > 0)
+      if (shortfall > 0 && n_repeating > 0)
       {
         ++n_copies;
         hb_position_t excess = (n_copies + 1) * sign * w_repeating - sign * w_remaining;

From 925ceacfed45c44dd2a025c32bebb1358b560741 Mon Sep 17 00:00:00 2001
From: Philip Withnall <philip@tecnocode.co.uk>
Date: Wed, 8 Feb 2017 02:17:48 +0000
Subject: [PATCH 0248/1326] util: Add missing field initialisers in constructor
 (#410)

Coverity ID: 141042
---
 util/hb-shape.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index 3bd2184de..75c3793b5 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -35,7 +35,9 @@ struct output_buffer_t
 		    format (parser),
 		    gs (NULL),
 		    line_no (0),
-		    font (NULL) {}
+		    font (NULL),
+		    output_format (HB_BUFFER_SERIALIZE_FORMAT_INVALID),
+		    format_flags (HB_BUFFER_SERIALIZE_FLAG_DEFAULT) {}
 
   void init (const font_options_t *font_opts)
   {

From a6ced90efccf869defc0b310effca220f01cf318 Mon Sep 17 00:00:00 2001
From: Philip Withnall <philip@tecnocode.co.uk>
Date: Wed, 8 Feb 2017 02:18:33 +0000
Subject: [PATCH 0249/1326] test: Fix some memory leaks in test-font.c (#409)

Coverity IDs: 141039, 141040, 141041
---
 test/api/test-font.c | 35 ++++++++++++++++++++++++++++++-----
 1 file changed, 30 insertions(+), 5 deletions(-)

diff --git a/test/api/test-font.c b/test/api/test-font.c
index 34f6c746e..527dfcdc1 100644
--- a/test/api/test-font.c
+++ b/test/api/test-font.c
@@ -35,13 +35,23 @@ static const char test_data[] = "test\0data";
 static void
 test_face_empty (void)
 {
+  hb_face_t *created_from_empty;
+  hb_face_t *created_from_null;
+
   g_assert (hb_face_get_empty ());
-  g_assert (hb_face_get_empty () != hb_face_create (hb_blob_get_empty (), 0));
-  g_assert (hb_face_get_empty () != hb_face_create (NULL, 0));
+
+  created_from_empty = hb_face_create (hb_blob_get_empty (), 0);
+  g_assert (hb_face_get_empty () != created_from_empty);
+
+  created_from_null = hb_face_create (NULL, 0);
+  g_assert (hb_face_get_empty () != created_from_null);
 
   g_assert (hb_face_reference_table (hb_face_get_empty (), HB_TAG ('h','e','a','d')) == hb_blob_get_empty ());
 
   g_assert_cmpint (hb_face_get_upem (hb_face_get_empty ()), ==, 1000);
+
+  hb_face_destroy (created_from_null);
+  hb_face_destroy (created_from_empty);
 }
 
 static void
@@ -357,14 +367,29 @@ test_fontfuncs_subclassing (void)
 static void
 test_font_empty (void)
 {
+  hb_font_t *created_from_empty;
+  hb_font_t *created_from_null;
+  hb_font_t *created_sub_from_null;
+
   g_assert (hb_font_get_empty ());
-  g_assert (hb_font_get_empty () != hb_font_create (hb_face_get_empty ()));
-  g_assert (hb_font_get_empty () != hb_font_create (NULL));
-  g_assert (hb_font_get_empty () != hb_font_create_sub_font (NULL));
+
+  created_from_empty = hb_font_create (hb_face_get_empty ());
+  g_assert (hb_font_get_empty () != created_from_empty);
+
+  created_from_null = hb_font_create (NULL);
+  g_assert (hb_font_get_empty () != created_from_null);
+
+  created_sub_from_null = hb_font_create_sub_font (NULL);
+  g_assert (hb_font_get_empty () != created_sub_from_null);
+
   g_assert (hb_font_is_immutable (hb_font_get_empty ()));
 
   g_assert (hb_font_get_face (hb_font_get_empty ()) == hb_face_get_empty ());
   g_assert (hb_font_get_parent (hb_font_get_empty ()) == NULL);
+
+  hb_font_destroy (created_sub_from_null);
+  hb_font_destroy (created_from_null);
+  hb_font_destroy (created_from_empty);
 }
 
 static void

From 09594df1aecbb7d37093055147c25cc7d7b7fef6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 7 Feb 2017 18:25:12 -0800
Subject: [PATCH 0250/1326] Update ax_pthread.m4 to latest upstream version

Might help with https://github.com/behdad/harfbuzz/issues/399
---
 m4/ax_pthread.m4 | 398 ++++++++++++++++++++++++++++++++++-------------
 1 file changed, 287 insertions(+), 111 deletions(-)

diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4
index d90de34d1..4c4051ea3 100644
--- a/m4/ax_pthread.m4
+++ b/m4/ax_pthread.m4
@@ -19,10 +19,10 @@
 #   is necessary on AIX to use the special cc_r compiler alias.)
 #
 #   NOTE: You are assumed to not only compile your program with these flags,
-#   but also link it with them as well. e.g. you should link with
+#   but also to link with them as well. For example, you might link with
 #   $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
 #
-#   If you are only building threads programs, you may wish to use these
+#   If you are only building threaded programs, you may wish to use these
 #   variables in your default LIBS, CFLAGS, and CC:
 #
 #     LIBS="$PTHREAD_LIBS $LIBS"
@@ -30,8 +30,8 @@
 #     CC="$PTHREAD_CC"
 #
 #   In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
-#   has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
-#   (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
+#   has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to
+#   that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
 #
 #   Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
 #   PTHREAD_PRIO_INHERIT symbol is defined when compiling with
@@ -82,35 +82,40 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 18
+#serial 23
 
 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
 AC_DEFUN([AX_PTHREAD], [
 AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([AC_PROG_CC])
+AC_REQUIRE([AC_PROG_SED])
 AC_LANG_PUSH([C])
 ax_pthread_ok=no
 
 # We used to check for pthread.h first, but this fails if pthread.h
-# requires special compiler flags (e.g. on True64 or Sequent).
+# requires special compiler flags (e.g. on Tru64 or Sequent).
 # It gets checked for in the link test anyway.
 
 # First of all, check if the user has set any of the PTHREAD_LIBS,
 # etcetera environment variables, and if threads linking works using
 # them:
-if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
-        save_CFLAGS="$CFLAGS"
+if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
+        ax_pthread_save_CC="$CC"
+        ax_pthread_save_CFLAGS="$CFLAGS"
+        ax_pthread_save_LIBS="$LIBS"
+        AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
         CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-        save_LIBS="$LIBS"
         LIBS="$PTHREAD_LIBS $LIBS"
-        AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
-        AC_TRY_LINK_FUNC(pthread_join, ax_pthread_ok=yes)
-        AC_MSG_RESULT($ax_pthread_ok)
-        if test x"$ax_pthread_ok" = xno; then
+        AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
+        AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
+        AC_MSG_RESULT([$ax_pthread_ok])
+        if test "x$ax_pthread_ok" = "xno"; then
                 PTHREAD_LIBS=""
                 PTHREAD_CFLAGS=""
         fi
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
+        CC="$ax_pthread_save_CC"
+        CFLAGS="$ax_pthread_save_CFLAGS"
+        LIBS="$ax_pthread_save_LIBS"
 fi
 
 # We must check for the threads library under a number of different
@@ -123,7 +128,7 @@ fi
 # which indicates that we try without any flags at all, and "pthread-config"
 # which is a program returning the flags for the Pth emulation library.
 
-ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
+ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
 
 # The ordering *is* (sometimes) important.  Some notes on the
 # individual items follow:
@@ -132,68 +137,225 @@ ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt
 # none: in case threads are in libc; should be tried before -Kthread and
 #       other compiler flags to prevent continual compiler warnings
 # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
-# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
-# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
-# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
-# -pthreads: Solaris/gcc
-# -mthreads: Mingw32/gcc, Lynx/gcc
+# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
+#           (Note: HP C rejects this with "bad form for `-t' option")
+# -pthreads: Solaris/gcc (Note: HP C also rejects)
 # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
-#      doesn't hurt to check since this sometimes defines pthreads too;
-#      also defines -D_REENTRANT)
-#      ... -mt is also the pthreads flag for HP/aCC
+#      doesn't hurt to check since this sometimes defines pthreads and
+#      -D_REENTRANT too), HP C (must be checked before -lpthread, which
+#      is present but should not be used directly; and before -mthreads,
+#      because the compiler interprets this as "-mt" + "-hreads")
+# -mthreads: Mingw32/gcc, Lynx/gcc
 # pthread: Linux, etcetera
 # --thread-safe: KAI C++
 # pthread-config: use pthread-config program (for GNU Pth library)
 
-case ${host_os} in
+case $host_os in
+
+        freebsd*)
+
+        # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
+        # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
+
+        ax_pthread_flags="-kthread lthread $ax_pthread_flags"
+        ;;
+
+        hpux*)
+
+        # From the cc(1) man page: "[-mt] Sets various -D flags to enable
+        # multi-threading and also sets -lpthread."
+
+        ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
+        ;;
+
+        openedition*)
+
+        # IBM z/OS requires a feature-test macro to be defined in order to
+        # enable POSIX threads at all, so give the user a hint if this is
+        # not set. (We don't define these ourselves, as they can affect
+        # other portions of the system API in unpredictable ways.)
+
+        AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
+            [
+#            if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
+             AX_PTHREAD_ZOS_MISSING
+#            endif
+            ],
+            [AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
+        ;;
+
         solaris*)
 
         # On Solaris (at least, for some versions), libc contains stubbed
         # (non-functional) versions of the pthreads routines, so link-based
-        # tests will erroneously succeed.  (We need to link with -pthreads/-mt/
-        # -lpthread.)  (The stubs are missing pthread_cleanup_push, or rather
-        # a function called by this macro, so we could check for that, but
-        # who knows whether they'll stub that too in a future libc.)  So,
-        # we'll just look for -pthreads and -lpthread first:
+        # tests will erroneously succeed. (N.B.: The stubs are missing
+        # pthread_cleanup_push, or rather a function called by this macro,
+        # so we could check for that, but who knows whether they'll stub
+        # that too in a future libc.)  So we'll check first for the
+        # standard Solaris way of linking pthreads (-mt -lpthread).
 
-        ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
-        ;;
-
-        darwin*)
-        ax_pthread_flags="-pthread $ax_pthread_flags"
+        ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
         ;;
 esac
 
-if test x"$ax_pthread_ok" = xno; then
-for flag in $ax_pthread_flags; do
+# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
 
-        case $flag in
+AS_IF([test "x$GCC" = "xyes"],
+      [ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"])
+
+# The presence of a feature test macro requesting re-entrant function
+# definitions is, on some systems, a strong hint that pthreads support is
+# correctly enabled
+
+case $host_os in
+        darwin* | hpux* | linux* | osf* | solaris*)
+        ax_pthread_check_macro="_REENTRANT"
+        ;;
+
+        aix*)
+        ax_pthread_check_macro="_THREAD_SAFE"
+        ;;
+
+        *)
+        ax_pthread_check_macro="--"
+        ;;
+esac
+AS_IF([test "x$ax_pthread_check_macro" = "x--"],
+      [ax_pthread_check_cond=0],
+      [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])
+
+# Are we compiling with Clang?
+
+AC_CACHE_CHECK([whether $CC is Clang],
+    [ax_cv_PTHREAD_CLANG],
+    [ax_cv_PTHREAD_CLANG=no
+     # Note that Autoconf sets GCC=yes for Clang as well as GCC
+     if test "x$GCC" = "xyes"; then
+        AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
+            [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
+#            if defined(__clang__) && defined(__llvm__)
+             AX_PTHREAD_CC_IS_CLANG
+#            endif
+            ],
+            [ax_cv_PTHREAD_CLANG=yes])
+     fi
+    ])
+ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
+
+ax_pthread_clang_warning=no
+
+# Clang needs special handling, because older versions handle the -pthread
+# option in a rather... idiosyncratic way
+
+if test "x$ax_pthread_clang" = "xyes"; then
+
+        # Clang takes -pthread; it has never supported any other flag
+
+        # (Note 1: This will need to be revisited if a system that Clang
+        # supports has POSIX threads in a separate library.  This tends not
+        # to be the way of modern systems, but it's conceivable.)
+
+        # (Note 2: On some systems, notably Darwin, -pthread is not needed
+        # to get POSIX threads support; the API is always present and
+        # active.  We could reasonably leave PTHREAD_CFLAGS empty.  But
+        # -pthread does define _REENTRANT, and while the Darwin headers
+        # ignore this macro, third-party headers might not.)
+
+        PTHREAD_CFLAGS="-pthread"
+        PTHREAD_LIBS=
+
+        ax_pthread_ok=yes
+
+        # However, older versions of Clang make a point of warning the user
+        # that, in an invocation where only linking and no compilation is
+        # taking place, the -pthread option has no effect ("argument unused
+        # during compilation").  They expect -pthread to be passed in only
+        # when source code is being compiled.
+        #
+        # Problem is, this is at odds with the way Automake and most other
+        # C build frameworks function, which is that the same flags used in
+        # compilation (CFLAGS) are also used in linking.  Many systems
+        # supported by AX_PTHREAD require exactly this for POSIX threads
+        # support, and in fact it is often not straightforward to specify a
+        # flag that is used only in the compilation phase and not in
+        # linking.  Such a scenario is extremely rare in practice.
+        #
+        # Even though use of the -pthread flag in linking would only print
+        # a warning, this can be a nuisance for well-run software projects
+        # that build with -Werror.  So if the active version of Clang has
+        # this misfeature, we search for an option to squash it.
+
+        AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
+            [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
+            [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
+             # Create an alternate version of $ac_link that compiles and
+             # links in two steps (.c -> .o, .o -> exe) instead of one
+             # (.c -> exe), because the warning occurs only in the second
+             # step
+             ax_pthread_save_ac_link="$ac_link"
+             ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
+             ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
+             ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
+             ax_pthread_save_CFLAGS="$CFLAGS"
+             for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
+                AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
+                CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
+                ac_link="$ax_pthread_save_ac_link"
+                AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
+                    [ac_link="$ax_pthread_2step_ac_link"
+                     AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
+                         [break])
+                    ])
+             done
+             ac_link="$ax_pthread_save_ac_link"
+             CFLAGS="$ax_pthread_save_CFLAGS"
+             AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
+             ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
+            ])
+
+        case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
+                no | unknown) ;;
+                *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
+        esac
+
+fi # $ax_pthread_clang = yes
+
+if test "x$ax_pthread_ok" = "xno"; then
+for ax_pthread_try_flag in $ax_pthread_flags; do
+
+        case $ax_pthread_try_flag in
                 none)
                 AC_MSG_CHECKING([whether pthreads work without any flags])
                 ;;
 
+                -mt,pthread)
+                AC_MSG_CHECKING([whether pthreads work with -mt -lpthread])
+                PTHREAD_CFLAGS="-mt"
+                PTHREAD_LIBS="-lpthread"
+                ;;
+
                 -*)
-                AC_MSG_CHECKING([whether pthreads work with $flag])
-                PTHREAD_CFLAGS="$flag"
+                AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
+                PTHREAD_CFLAGS="$ax_pthread_try_flag"
                 ;;
 
                 pthread-config)
-                AC_CHECK_PROG(ax_pthread_config, pthread-config, yes, no)
-                if test x"$ax_pthread_config" = xno; then continue; fi
+                AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
+                AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
                 PTHREAD_CFLAGS="`pthread-config --cflags`"
                 PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
                 ;;
 
                 *)
-                AC_MSG_CHECKING([for the pthreads library -l$flag])
-                PTHREAD_LIBS="-l$flag"
+                AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
+                PTHREAD_LIBS="-l$ax_pthread_try_flag"
                 ;;
         esac
 
-        save_LIBS="$LIBS"
-        save_CFLAGS="$CFLAGS"
-        LIBS="$PTHREAD_LIBS $LIBS"
+        ax_pthread_save_CFLAGS="$CFLAGS"
+        ax_pthread_save_LIBS="$LIBS"
         CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+        LIBS="$PTHREAD_LIBS $LIBS"
 
         # Check for various functions.  We must include pthread.h,
         # since some functions may be macros.  (On the Sequent, we
@@ -204,7 +366,11 @@ for flag in $ax_pthread_flags; do
         # pthread_cleanup_push because it is one of the few pthread
         # functions on Solaris that doesn't have a non-functional libc stub.
         # We try pthread_create on general principles.
+
         AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
+#                       if $ax_pthread_check_cond
+#                        error "$ax_pthread_check_macro must be defined"
+#                       endif
                         static void routine(void *a) { a = 0; }
                         static void *start_routine(void *a) { return a; }],
                        [pthread_t th; pthread_attr_t attr;
@@ -213,16 +379,14 @@ for flag in $ax_pthread_flags; do
                         pthread_attr_init(&attr);
                         pthread_cleanup_push(routine, 0);
                         pthread_cleanup_pop(0) /* ; */])],
-                [ax_pthread_ok=yes],
-                [])
+            [ax_pthread_ok=yes],
+            [])
 
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
+        CFLAGS="$ax_pthread_save_CFLAGS"
+        LIBS="$ax_pthread_save_LIBS"
 
-        AC_MSG_RESULT($ax_pthread_ok)
-        if test "x$ax_pthread_ok" = xyes; then
-                break;
-        fi
+        AC_MSG_RESULT([$ax_pthread_ok])
+        AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
 
         PTHREAD_LIBS=""
         PTHREAD_CFLAGS=""
@@ -230,76 +394,88 @@ done
 fi
 
 # Various other checks:
-if test "x$ax_pthread_ok" = xyes; then
-        save_LIBS="$LIBS"
-        LIBS="$PTHREAD_LIBS $LIBS"
-        save_CFLAGS="$CFLAGS"
+if test "x$ax_pthread_ok" = "xyes"; then
+        ax_pthread_save_CFLAGS="$CFLAGS"
+        ax_pthread_save_LIBS="$LIBS"
         CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+        LIBS="$PTHREAD_LIBS $LIBS"
 
         # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
-        AC_MSG_CHECKING([for joinable pthread attribute])
-        attr_name=unknown
-        for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
-            AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
-                           [int attr = $attr; return attr /* ; */])],
-                [attr_name=$attr; break],
-                [])
-        done
-        AC_MSG_RESULT($attr_name)
-        if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
-            AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
-                               [Define to necessary symbol if this constant
-                                uses a non-standard name on your system.])
-        fi
+        AC_CACHE_CHECK([for joinable pthread attribute],
+            [ax_cv_PTHREAD_JOINABLE_ATTR],
+            [ax_cv_PTHREAD_JOINABLE_ATTR=unknown
+             for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
+                 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
+                                                 [int attr = $ax_pthread_attr; return attr /* ; */])],
+                                [ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
+                                [])
+             done
+            ])
+        AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
+               test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
+               test "x$ax_pthread_joinable_attr_defined" != "xyes"],
+              [AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
+                                  [$ax_cv_PTHREAD_JOINABLE_ATTR],
+                                  [Define to necessary symbol if this constant
+                                   uses a non-standard name on your system.])
+               ax_pthread_joinable_attr_defined=yes
+              ])
 
-        AC_MSG_CHECKING([if more special flags are required for pthreads])
-        flag=no
-        case ${host_os} in
-            aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
-            osf* | hpux*) flag="-D_REENTRANT";;
-            solaris*)
-            if test "$GCC" = "yes"; then
-                flag="-D_REENTRANT"
-            else
-                flag="-mt -D_REENTRANT"
-            fi
-            ;;
-        esac
-        AC_MSG_RESULT(${flag})
-        if test "x$flag" != xno; then
-            PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
-        fi
+        AC_CACHE_CHECK([whether more special flags are required for pthreads],
+            [ax_cv_PTHREAD_SPECIAL_FLAGS],
+            [ax_cv_PTHREAD_SPECIAL_FLAGS=no
+             case $host_os in
+             solaris*)
+             ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
+             ;;
+             esac
+            ])
+        AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
+               test "x$ax_pthread_special_flags_added" != "xyes"],
+              [PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
+               ax_pthread_special_flags_added=yes])
 
         AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
-            ax_cv_PTHREAD_PRIO_INHERIT, [
-                AC_LINK_IFELSE([
-                    AC_LANG_PROGRAM([[#include <pthread.h>]], [[int i = PTHREAD_PRIO_INHERIT;]])],
-                    [ax_cv_PTHREAD_PRIO_INHERIT=yes],
-                    [ax_cv_PTHREAD_PRIO_INHERIT=no])
+            [ax_cv_PTHREAD_PRIO_INHERIT],
+            [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
+                                             [[int i = PTHREAD_PRIO_INHERIT;]])],
+                            [ax_cv_PTHREAD_PRIO_INHERIT=yes],
+                            [ax_cv_PTHREAD_PRIO_INHERIT=no])
             ])
-        AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
-            AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], 1, [Have PTHREAD_PRIO_INHERIT.]))
+        AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
+               test "x$ax_pthread_prio_inherit_defined" != "xyes"],
+              [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
+               ax_pthread_prio_inherit_defined=yes
+              ])
 
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
+        CFLAGS="$ax_pthread_save_CFLAGS"
+        LIBS="$ax_pthread_save_LIBS"
 
-        # More AIX lossage: must compile with xlc_r or cc_r
-        if test x"$GCC" != xyes; then
-          AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC})
-        else
-          PTHREAD_CC=$CC
+        # More AIX lossage: compile with *_r variant
+        if test "x$GCC" != "xyes"; then
+            case $host_os in
+                aix*)
+                AS_CASE(["x/$CC"],
+                    [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
+                    [#handle absolute path differently from PATH based program lookup
+                     AS_CASE(["x$CC"],
+                         [x/*],
+                         [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
+                         [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
+                ;;
+            esac
         fi
-else
-        PTHREAD_CC="$CC"
 fi
 
-AC_SUBST(PTHREAD_LIBS)
-AC_SUBST(PTHREAD_CFLAGS)
-AC_SUBST(PTHREAD_CC)
+test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
+
+AC_SUBST([PTHREAD_LIBS])
+AC_SUBST([PTHREAD_CFLAGS])
+AC_SUBST([PTHREAD_CC])
 
 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
-if test x"$ax_pthread_ok" = xyes; then
-        ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
+if test "x$ax_pthread_ok" = "xyes"; then
+        ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
         :
 else
         ax_pthread_ok=no

From ffde3c9f9effcd2b47f5fd76df45551e68c0b1ec Mon Sep 17 00:00:00 2001
From: Philip Withnall <philip@tecnocode.co.uk>
Date: Wed, 8 Feb 2017 21:56:57 +0000
Subject: [PATCH 0251/1326] hb-font: Fix a potentially undefined use of
 memcmp() (#413)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

While it’s fine to call memcmp(x, 0, 0) in practice, the C99 standard
explicitly says that this is not allowed: even if the length is zero,
the pointer arguments must be valid.

http://stackoverflow.com/a/16363034

Coverity ID: 141178

Signed-off-by: Philip Withnall <withnall@endlessm.com>
---
 src/hb-font.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index a08766f5b..e900bd3f6 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1596,7 +1596,8 @@ _hb_font_adopt_var_coords_normalized (hb_font_t *font,
 				      unsigned int coords_length)
 {
   if (font->num_coords == coords_length &&
-      0 == memcmp (font->coords, coords, coords_length * sizeof (coords[0])))
+      (coords_length == 0 ||
+       0 == memcmp (font->coords, coords, coords_length * sizeof (coords[0]))))
   {
     free (coords);
     return;

From 7c47474f209bdf84cf87844c277ed711cad78196 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 8 Feb 2017 14:33:28 -0800
Subject: [PATCH 0252/1326] Set LC_ALL instead of LANG when creating
 harfbuzz.def

Hopefully fixes Travis faliure?
https://github.com/behdad/harfbuzz/pull/413#issuecomment-278481882
https://travis-ci.org/khaledhosny/harfbuzz/jobs/199785332#L1065
---
 src/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index d7420a090..e322d5686 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -218,7 +218,7 @@ harfbuzz.def: $(HBHEADERS) $(HBNODISTHEADERS)
 	(cat $^ || echo 'hb_ERROR ()' ) | \
 	$(EGREP) '^hb_.* \(' | \
 	sed -e 's/ (.*//' | \
-	LANG=C sort; \
+	LC_ALL=C sort; \
 	echo LIBRARY libharfbuzz-0.dll; \
 	) >"$@"
 	@ ! grep -q hb_ERROR "$@" \

From d4bb52b9fd8a5bc4af13752ea3e464eccfe3223b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 9 Feb 2017 14:13:25 -0800
Subject: [PATCH 0253/1326] Unbreak hb-coretext build

---
 src/hb-coretext.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 86de0becf..8f2483b08 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -1222,6 +1222,9 @@ fail:
  * AAT shaper
  */
 
+HB_SHAPER_DATA_ENSURE_DEFINE(coretext_aat, face)
+HB_SHAPER_DATA_ENSURE_DEFINE(coretext_aat, font)
+
 /*
  * shaper face data
  */

From 45766b673f427bb791c9d5886cadedfac0447066 Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Thu, 16 Feb 2017 17:40:21 +0000
Subject: [PATCH 0254/1326] =?UTF-8?q?[indic]=20Add=20support=20for=20Grant?=
 =?UTF-8?q?ha=20marks=20that=20may=20be=20used=20in=20Tamil=20to=20th?=
 =?UTF-8?q?=E2=80=A6=20(#401)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* [indic] Add support for Grantha marks that may be used in Tamil to the Indic table.

See https://bugzilla.mozilla.org/show_bug.cgi?id=1331339.

Testcase: U+0BA4,U+0BC6,U+1133c,U+0BAA,U+1133c,U+0BC6,U+1133c

* [indic] Add test for Grantha nukta that is allowed in Tamil by ScriptExtensions.txt
---
 src/hb-ot-shape-complex-indic-table.cc           |   7 +++++++
 .../3493e92eaded2661cadde752a39f9d58b11f0326.ttf | Bin 0 -> 1400 bytes
 test/shaping/tests/indic-script-extensions.tests |   1 +
 3 files changed, 8 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf
 create mode 100644 test/shaping/tests/indic-script-extensions.tests

diff --git a/src/hb-ot-shape-complex-indic-table.cc b/src/hb-ot-shape-complex-indic-table.cc
index 80a6b25e3..e10a4d25f 100644
--- a/src/hb-ot-shape-complex-indic-table.cc
+++ b/src/hb-ot-shape-complex-indic-table.cc
@@ -422,6 +422,13 @@ hb_indic_get_categories (hb_codepoint_t u)
       if (hb_in_range (u, 0xAA60u, 0xAA7Fu)) return indic_table[u - 0xAA60u + indic_offset_0xaa60u];
       break;
 
+    case 0x11u:
+      // According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
+      // so the Indic shaper needs to know their categories.
+      if (unlikely (u == 0x11303)) return _(Vs,R);
+      if (unlikely (u == 0x1133c)) return _(N,B);
+      break;
+
     default:
       break;
   }
diff --git a/test/shaping/fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf b/test/shaping/fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..006adb60c9a006efa39b3c23e390894cdfcf8023
GIT binary patch
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zz2|rCJr4)~=wJe92sG4r>LC@B0IUP8e8b_EHpl`k;zq>!hPIBHcYj^FgSZoMUQ1i4
z{mQK_69D}d;y~9xFs!*Xc^QB~2p4;UBjI=)cLuf?v8p#Tew=KidQtx!fXeLa33g{s
z{MCZ%%h2ZRLqpCbegW~bh^>7Ck+JMO+qsDQ5c8qIt{@4M8N^n^+JWF$81l(I#L|Iz
zPXz~hn9W`3c>YDihr@#-5n=V`G{oow9*iVq$E7G_HBbkQa0GxTl+veTE#`s>M-?mB
ztLS}Iq{3mNEF7<+5@uT9Oa>EYWDLBHFoZL4O0$kO=uLKX<>;aHlDmhBloTPF^kQ>y
zqs7(LKl7r0{G*7!FuOp=dE&M4`cv2aU;a^4b<ky?XT>{%S6&V5^UjI)#ZB?1jVq}Z
z@=0ao#4+(J6~njLJiGT9^V4=kTV4Lz(p){8X>vZ2Tl|bW^72r*IA3<+=>9K0_l!R7
z%%CjYqKD3@8@x8!zck}xvdD*`r(11t_PE90gku8nAw^^k>=dh(?zNC`$b}QwsjcX@
z^bfaLb*!0L04k16nWEZ*cin_bcq5fzcUI^vW(BKfOlBL4$ziO5oiUO$183nJHrirl
zbd-TNGJ=i9Sz53gDXO{jV0F&vl?PL=Q}@O1#M{rU&Wtsc^I28?=|!S`^9IRXK6jv_
zX7arU=dX(QK7OG(%YHO^wVStB7Nqa@P6tlT_g9kTrnBvW_NV8`qc`itKR0TJ-k4u}
zyW`~7cRyX2XbxWA7QeX>TVWc*KYlXZ+565fJCjG=|Lod@*3`$mXFXM?PWxOn!>=HT
z*xGi{PWDb1)Ce3-!JeMME6fG4wSe2>Bf)cl?G=yD=cx?@<Q%c^0cgoy&?hn`Wle5$
z5<d;+VUuVR$P+lTwovI$b!~t~CA+O&DqoZoNp4xUwVAw1db28^<Y}oQs+A3pqL@Qt
z304Kf)}+1E-dGGE%dusRpULF^cQ#%eFba;mgi^&`W(8!DpO9E_$0>Z-6tGxda?>Ye
zQn*8r5m?g9#^Z@I)Lw>t=s|za;?saUsW#<em83PPx1&{hHCB|EJ7`A_sXkQ+Hkw(@
zoMu^K@K9TSa=ml?z`tV0KL)mHd6f6p%u3#fabFE)K<ZLvG|P!Dow(a2_e4At7$qB%
zf-9uB5;}!{Dl5k0hC|Sd(YHe%oPc47Vl4+DgkKa!Q5%L<=z(5DAsHp_Km^#EjOo7u
z^Fk;>V{Nl+w5-PMkVm&P);bl@@^V3_O{^fuo06F(I7*Bd?1_x2v3_*Pt)&dAAqRO-
Qb@k2dpo;_tLjTOd-{y}g@c;k-

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-script-extensions.tests b/test/shaping/tests/indic-script-extensions.tests
new file mode 100644
index 000000000..52b6aa0d7
--- /dev/null
+++ b/test/shaping/tests/indic-script-extensions.tests
@@ -0,0 +1 @@
+fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf::U+0BA4,U+0BC6,U+D804,U+DF3C,U+0BAA,U+D804,U+DF3C,U+0BC6,U+D804,U+DF3C:[u0BC6=0+2093|u1133C=0+0|u0BA4=0+1863|u0BC6=3+2093|u1133C=3+0|u0BAA=3+1706|u1133C=3+0]

From 44f7d6ecde9bf7427a05cbe73ed5d668b8a72b2a Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Fri, 17 Feb 2017 03:03:24 +0000
Subject: [PATCH 0255/1326] Guard against underflow when adjusting length
 (#421)

* Guard against underflow when adjusting length

With the fuzz-testcase in mozilla bug 1295299, we end up with a recursed lookup that removes 3 items, when `match_positions[idx]` is 0, which results in (unsigned) `end` wrapping to a huge value.

Making `end` a signed int is probably the simplest route to a fix.

Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1295299.

* Add testcase for #421.
---
 src/hb-ot-layout-gsubgpos-private.hh             |   6 +++---
 .../558661aa659912f4d30ecd27bd09835171a8e2b0.ttf | Bin 0 -> 1358 bytes
 test/shaping/tests/fuzzed.tests                  |   1 +
 3 files changed, 4 insertions(+), 3 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/558661aa659912f4d30ecd27bd09835171a8e2b0.ttf

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index b7a0122a3..0c4235268 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -959,7 +959,7 @@ static inline bool apply_lookup (hb_apply_context_t *c,
   TRACE_APPLY (NULL);
 
   hb_buffer_t *buffer = c->buffer;
-  unsigned int end;
+  int end;
 
   /* All positions are distance from beginning of *output* buffer.
    * Adjust. */
@@ -998,8 +998,8 @@ static inline bool apply_lookup (hb_apply_context_t *c,
 
     /* Recursed lookup changed buffer len.  Adjust. */
 
-    end = int (end) + delta;
-    if (end <= match_positions[idx])
+    end += delta;
+    if (end <= int (match_positions[idx]))
     {
       /* End might end up being smaller than match_positions[idx] if the recursed
        * lookup ended up removing many items, more than we have had matched.
diff --git a/test/shaping/fonts/sha1sum/558661aa659912f4d30ecd27bd09835171a8e2b0.ttf b/test/shaping/fonts/sha1sum/558661aa659912f4d30ecd27bd09835171a8e2b0.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..5d72fdfe31f93c74989082bbd274f53c21cc9a39
GIT binary patch
literal 1358
zcmeHFF%H5o5c9PWiXy?l#DsVNL*Bpu4?ulD#R`alC-Nvp><dyB2HFXvMr!X;$IjU*
z3_$*F9gf{jCjt9NIbHhO8-J+&!=e=+VT~>9+~2Q=2nwX60+R=R%Q8$Pv0Gt}#&?nI
z4I0cyF`jD4GAwJN#Hb{-ngs&)hUD+S?#ZXZBRbyKipJ_fDx5{mx)E}Pf_bI7pln3H
g#6zj*;EuCpCPVKF<~5i;5vBxwBmw=wJ_<^G0h}}EQUCw|

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/fuzzed.tests
index 771ac2b45..d9bace324 100644
--- a/test/shaping/tests/fuzzed.tests
+++ b/test/shaping/tests/fuzzed.tests
@@ -10,3 +10,4 @@ fonts/sha1sum/3511ff5c1647150595846ac414c595cccac34f18.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/fab39d60d758cb586db5a504f218442cd1395725.ttf:--font-funcs=ot:U+0041,U+0041:[gid0=0+1000|gid0=1+1000]
 fonts/sha1sum/205edd09bd3d141cc9580f650109556cc28b22cb.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf:--font-funcs=ot:U+0061,U+0061,U+0061:[]
+fonts/sha1sum/558661aa659912f4d30ecd27bd09835171a8e2b0.ttf:--font-funcs=ot:U+FFFD,U+E0100,U+FFFD,U+E0010:[]

From 70202983f57fe85b2d3b56a9c205effeee66222d Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Sat, 18 Feb 2017 10:37:36 +0330
Subject: [PATCH 0256/1326] [ci] Disable vcpkg freetype installation and fix
 Appveyor CI (#422)

---
 appveyor.yml | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index 2a0e7c59f..67f611494 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -32,18 +32,18 @@ install:
   - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-ragel"
 
   - 'if "%compiler%"=="msvc" call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
-  - 'if "%compiler%"=="msvc" git clone https://github.com/Microsoft/vcpkg'
-  - 'if "%compiler%"=="msvc" cd vcpkg'
-  - 'if "%compiler%"=="msvc" powershell -exec bypass scripts\bootstrap.ps1'
-  - 'if "%compiler%"=="msvc" vcpkg install freetype:%VCPKG_ARCH%'
-  - 'if "%compiler%"=="msvc" copy installed\%VCPKG_ARCH%\debug\lib\freetyped.lib installed\%VCPKG_ARCH%\lib'
-  - 'if "%compiler%"=="msvc" cd ..'
+#  - 'if "%compiler%"=="msvc" git clone https://github.com/Microsoft/vcpkg'
+#  - 'if "%compiler%"=="msvc" cd vcpkg'
+#  - 'if "%compiler%"=="msvc" powershell -exec bypass scripts\bootstrap.ps1'
+#  - 'if "%compiler%"=="msvc" vcpkg install freetype:%VCPKG_ARCH%'
+#  - 'if "%compiler%"=="msvc" copy installed\%VCPKG_ARCH%\debug\lib\freetyped.lib installed\%VCPKG_ARCH%\lib'
+#  - 'if "%compiler%"=="msvc" cd ..'
 
 build_script:
   - 'if "%compiler%"=="msvc" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
   - 'if "%compiler%"=="msvc" cd harfbuzz-*\win32'
-  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 FREETYPE=1 FREETYPE_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\include ADDITIONAL_LIB_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\lib'
-  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 FREETYPE=1 install'
+  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1' # FREETYPE=1 FREETYPE_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\include ADDITIONAL_LIB_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\lib'
+  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 install' # FREETYPE=1 install'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=$MINGW_CHOST --host=$MINGW_CHOST --prefix=$MINGW_PREFIX; make; make check"'

From f748e11645a3361f94d6fb10ce59febbaa5ba8ca Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sat, 18 Feb 2017 19:54:33 +0100
Subject: [PATCH 0257/1326] bootstraping structure

---
 src/Makefile.sources        |   1 +
 src/hb-ot-base-table.hh     | 238 ++++++++++++++++++++++++++++++++++++
 src/hb-ot-font.cc           |   1 +
 src/hb-ot-layout-private.hh |   2 +
 4 files changed, 242 insertions(+)
 create mode 100644 src/hb-ot-base-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 6363cf930..20ce77b80 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -68,6 +68,7 @@ HB_NODIST_headers = \
 HB_FALLBACK_sources = hb-fallback-shape.cc
 
 HB_OT_sources = \
+	hb-ot-base-table.hh \
 	hb-ot-font.cc \
 	hb-ot-layout.cc \
 	hb-ot-layout-common-private.hh \
diff --git a/src/hb-ot-base-table.hh b/src/hb-ot-base-table.hh
new file mode 100644
index 000000000..8ad01fe32
--- /dev/null
+++ b/src/hb-ot-base-table.hh
@@ -0,0 +1,238 @@
+/*
+ * Copyright © 2016 Elie Roux <elie.roux@telecom-bretagne.eu>
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ */
+
+#ifndef HB_OT_BASE_TABLE_HH
+#define HB_OT_BASE_TABLE_HH
+
+#include "hb-open-type-private.hh"
+#include "hb-ot-layout-common-private.hh"
+
+#define HB_OT_TAG_BASE      HB_TAG('B','A','S','E')
+
+// https://www.microsoft.com/typography/otspec/baselinetags.htm
+
+#define HB_OT_TAG_BASE_HANG HB_TAG('h','a','n','g')
+#define HB_OT_TAG_BASE_ICFB HB_TAG('i','c','f','b')
+#define HB_OT_TAG_BASE_ICFT HB_TAG('i','c','f','t')
+#define HB_OT_TAG_BASE_IDEO HB_TAG('i','d','e','o')
+#define HB_OT_TAG_BASE_IDTB HB_TAG('i','d','t','b')
+#define HB_OT_TAG_BASE_MATH HB_TAG('m','a','t','h')
+#define HB_OT_TAG_BASE_ROMN HB_TAG('r','o','m','n')
+
+namespace OT {
+
+/*
+ * BASE -- The BASE Table
+ */
+
+struct BaseCoordFormat1 {
+  protected:
+  USHORT    baseCoordFormat;
+  SHORT   coordinate;
+
+  public:
+  DEFINE_SIZE_STATIC (4);
+};
+
+struct BaseCoordFormat2 {
+  protected:
+  USHORT    baseCoordFormat;
+  SHORT   coordinate;
+  USHORT    referenceGlyph;
+  USHORT    baseCoordPoint;
+
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
+struct BaseCoordFormat3 {
+  protected:
+  USHORT    baseCoordFormat;
+  SHORT   coordinate;
+  OffsetTo<Device>    deviceTable;
+
+  public:
+  DEFINE_SIZE_STATIC (6);
+};
+
+struct BaseCoord {
+  protected:
+  union {
+    USHORT    baseCoordFormat;
+    BaseCoordFormat1  format1;
+    BaseCoordFormat2  format2;
+    BaseCoordFormat3  format3;
+  } u;
+
+  public:
+  DEFINE_SIZE_MIN (4);
+};
+
+struct FeatMinMaxRecord {
+  protected:
+  Tag featureTableTag;
+  OffsetTo<BaseCoord>   minCoord;
+  OffsetTo<BaseCoord>   maxCoord;
+
+  public:
+  DEFINE_SIZE_STATIC (8);
+
+};
+
+struct MinMaxTable {
+  protected:
+  OffsetTo<BaseCoord>   minCoord;
+  OffsetTo<BaseCoord>   maxCoord;
+  USHORT    featMinMaxCount;
+  ArrayOf<FeatMinMaxRecord> featMinMaxRecordTable;
+
+  public:
+  DEFINE_SIZE_ARRAY (6, featMinMaxRecordTable);
+
+};
+
+struct BaseLangSysRecord {
+  protected:
+  Tag baseLangSysTag;
+  OffsetTo<MinMaxTable> minMax;
+
+  public:
+  DEFINE_SIZE_STATIC (6); 
+
+};
+
+struct BaseValuesTable {
+  protected:
+  USHORT    defaultIndex;
+  USHORT    baseCoordCount;
+  ArrayOf<BaseCoord> baseCoordTable;
+
+  public:
+  DEFINE_SIZE_ARRAY (4, baseCoordTable);
+
+};
+
+struct BaseScriptTable {
+  protected:
+  OffsetTo<BaseValuesTable>  baseValues;
+  OffsetTo<MinMaxTable>  defaultMinMax;
+  USHORT    baseLangSysCount;
+  ArrayOf<BaseLangSysRecord> baseLangSysRecordTable;
+
+  public:
+    DEFINE_SIZE_ARRAY (6, baseLangSysRecordTable);
+};
+
+
+struct BaseScriptRecord {
+
+  protected:
+  Tag baseScriptTag;
+  OffsetTo<BaseScriptTable> baseScript;
+
+  public:
+    DEFINE_SIZE_STATIC (4);
+};
+
+struct BaseScriptList {
+
+  protected:
+  USHORT    baseScriptCount;
+  ArrayOf<BaseScriptRecord> baseScriptRecordTable;
+
+  public:
+  DEFINE_SIZE_ARRAY (2, baseScriptRecordTable);
+  
+};
+
+struct BaselineTag {
+
+  protected:
+  Tag   tag;
+
+  public:
+  DEFINE_SIZE_STATIC (4);
+
+};
+
+struct BaseTagList
+{
+
+  protected:
+  USHORT    baseTagCount;
+  ArrayOf<BaselineTag> BaseTagListTable;
+
+  public:
+  DEFINE_SIZE_STATIC (4);
+};
+
+struct VertAxis
+{
+
+  protected:
+  OffsetTo<BaseTagList> baseTagList;
+  OffsetTo<BaseScriptList> baseScriptList;
+
+  public:
+  DEFINE_SIZE_STATIC (4);
+};
+
+struct HorizAxis
+{
+
+  protected:
+  OffsetTo<HorizAxis> baseTagList;
+  OffsetTo<VertAxis> baseScriptList;
+
+  public:
+  DEFINE_SIZE_STATIC (4);
+};
+
+struct BASE
+{
+  static const hb_tag_t tableTag = HB_OT_TAG_BASE;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+      likely (version.major == 1));
+  }
+
+  protected:
+  FixedVersion<>version;    /* Version of the BASE table: 1.0 or 1.1 */
+  OffsetTo<HorizAxis> horizAxis;
+  OffsetTo<VertAxis> vertAxis;
+  //LOffsetTo<ItemVarStore> itemVarStore;
+
+  public:
+  DEFINE_SIZE_MIN (6);
+};
+
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_BASE_TABLE_HH */
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 009db20ae..9abdc6757 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -30,6 +30,7 @@
 
 #include "hb-font-private.hh"
 
+#include "hb-ot-base-table.hh"
 #include "hb-ot-cmap-table.hh"
 #include "hb-ot-cbdt-table.hh"
 #include "hb-ot-glyf-table.hh"
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 071a439d6..ee8e1373e 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -122,6 +122,7 @@ hb_ot_layout_position_finish_offsets (hb_font_t    *font,
  */
 
 namespace OT {
+  struct BASE;
   struct GDEF;
   struct GSUB;
   struct GPOS;
@@ -162,6 +163,7 @@ struct hb_ot_layout_t
   const struct OT::GPOS *gpos;
 
   /* TODO Move the following out of this struct. */
+  OT::hb_lazy_table_loader_t<struct OT::BASE> base;
   OT::hb_lazy_table_loader_t<struct OT::MATH> math;
   OT::hb_lazy_table_loader_t<struct OT::fvar> fvar;
   OT::hb_lazy_table_loader_t<struct OT::avar> avar;

From d0b97353e930d9b258f42f1cc1ac1a75306b76a8 Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sun, 19 Feb 2017 08:48:22 +0100
Subject: [PATCH 0258/1326] hb-ot-base-table.hh -> hb-ot-layout-base-table.hh

per https://github.com/behdad/harfbuzz/issues/418#issuecomment-280873811
---
 src/Makefile.sources                                    | 2 +-
 src/hb-ot-font.cc                                       | 2 +-
 src/{hb-ot-base-table.hh => hb-ot-layout-base-table.hh} | 0
 3 files changed, 2 insertions(+), 2 deletions(-)
 rename src/{hb-ot-base-table.hh => hb-ot-layout-base-table.hh} (100%)

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 20ce77b80..0f83f6ebd 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -68,9 +68,9 @@ HB_NODIST_headers = \
 HB_FALLBACK_sources = hb-fallback-shape.cc
 
 HB_OT_sources = \
-	hb-ot-base-table.hh \
 	hb-ot-font.cc \
 	hb-ot-layout.cc \
+	hb-ot-layout-base-table.hh \
 	hb-ot-layout-common-private.hh \
 	hb-ot-layout-gdef-table.hh \
 	hb-ot-layout-gpos-table.hh \
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 9abdc6757..acbda8de5 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -30,7 +30,7 @@
 
 #include "hb-font-private.hh"
 
-#include "hb-ot-base-table.hh"
+#include "hb-ot-layout-base-table.hh"
 #include "hb-ot-cmap-table.hh"
 #include "hb-ot-cbdt-table.hh"
 #include "hb-ot-glyf-table.hh"
diff --git a/src/hb-ot-base-table.hh b/src/hb-ot-layout-base-table.hh
similarity index 100%
rename from src/hb-ot-base-table.hh
rename to src/hb-ot-layout-base-table.hh

From f131f00b1779b44633223915e17cbce358ad063a Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sun, 19 Feb 2017 10:12:22 +0100
Subject: [PATCH 0259/1326] compile, move into hb-ot-layout.cc

---
 src/hb-ot-font.cc              |  1 -
 src/hb-ot-layout-base-table.hh | 57 +++++++++++++++++++++++++---------
 src/hb-ot-layout.cc            |  1 +
 3 files changed, 43 insertions(+), 16 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index acbda8de5..009db20ae 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -30,7 +30,6 @@
 
 #include "hb-font-private.hh"
 
-#include "hb-ot-layout-base-table.hh"
 #include "hb-ot-cmap-table.hh"
 #include "hb-ot-cbdt-table.hh"
 #include "hb-ot-glyf-table.hh"
diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index 8ad01fe32..b3c0927b1 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -109,7 +109,7 @@ struct MinMaxTable {
   ArrayOf<FeatMinMaxRecord> featMinMaxRecordTable;
 
   public:
-  DEFINE_SIZE_ARRAY (6, featMinMaxRecordTable);
+  DEFINE_SIZE_ARRAY (8, featMinMaxRecordTable);
 
 };
 
@@ -127,10 +127,10 @@ struct BaseValuesTable {
   protected:
   USHORT    defaultIndex;
   USHORT    baseCoordCount;
-  ArrayOf<BaseCoord> baseCoordTable;
+  OffsetArrayOf<BaseCoord> baseCoordTable;
 
   public:
-  DEFINE_SIZE_ARRAY (4, baseCoordTable);
+  DEFINE_SIZE_ARRAY (6, baseCoordTable);
 
 };
 
@@ -142,7 +142,7 @@ struct BaseScriptTable {
   ArrayOf<BaseLangSysRecord> baseLangSysRecordTable;
 
   public:
-    DEFINE_SIZE_ARRAY (6, baseLangSysRecordTable);
+    DEFINE_SIZE_ARRAY (8, baseLangSysRecordTable);
 };
 
 
@@ -153,7 +153,7 @@ struct BaseScriptRecord {
   OffsetTo<BaseScriptTable> baseScript;
 
   public:
-    DEFINE_SIZE_STATIC (4);
+    DEFINE_SIZE_STATIC (6);
 };
 
 struct BaseScriptList {
@@ -163,7 +163,7 @@ struct BaseScriptList {
   ArrayOf<BaseScriptRecord> baseScriptRecordTable;
 
   public:
-  DEFINE_SIZE_ARRAY (2, baseScriptRecordTable);
+  DEFINE_SIZE_ARRAY (4, baseScriptRecordTable);
   
 };
 
@@ -182,10 +182,10 @@ struct BaseTagList
 
   protected:
   USHORT    baseTagCount;
-  ArrayOf<BaselineTag> BaseTagListTable;
+  ArrayOf<BaselineTag> baseTagListTable;
 
   public:
-  DEFINE_SIZE_STATIC (4);
+  DEFINE_SIZE_ARRAY (4, baseTagListTable);
 };
 
 struct VertAxis
@@ -210,6 +210,32 @@ struct HorizAxis
   DEFINE_SIZE_STATIC (4);
 };
 
+
+struct BASEFormat1_1
+{
+
+  protected:
+  FixedVersion<>version;
+  OffsetTo<HorizAxis> horizAxis;
+  OffsetTo<VertAxis> vertAxis;
+  LOffsetTo<VariationStore> itemVarStore;
+
+  public:
+  DEFINE_SIZE_STATIC (12);
+};
+
+struct BASEFormat1_0
+{
+
+  protected:
+  FixedVersion<>version;
+  OffsetTo<HorizAxis> horizAxis;
+  OffsetTo<VertAxis> vertAxis;
+
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
 struct BASE
 {
   static const hb_tag_t tableTag = HB_OT_TAG_BASE;
@@ -217,18 +243,19 @@ struct BASE
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (version.sanitize (c) &&
-      likely (version.major == 1));
+    return_trace (u.version.sanitize (c) &&
+      likely (u.version.major == 1));
   }
 
   protected:
-  FixedVersion<>version;    /* Version of the BASE table: 1.0 or 1.1 */
-  OffsetTo<HorizAxis> horizAxis;
-  OffsetTo<VertAxis> vertAxis;
-  //LOffsetTo<ItemVarStore> itemVarStore;
+  union {
+    FixedVersion<>version;    /* Version of the BASE table: 1.0 or 1.1 */
+    BASEFormat1_0  format1_0;
+    BASEFormat1_1  format1_1;
+  } u;
 
   public:
-  DEFINE_SIZE_MIN (6);
+  DEFINE_SIZE_UNION (4, version);
 };
 
 
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index a1682a5f9..3511810ac 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -31,6 +31,7 @@
 #include "hb-open-type-private.hh"
 #include "hb-ot-layout-private.hh"
 
+#include "hb-ot-layout-base-table.hh"
 #include "hb-ot-layout-gdef-table.hh"
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"

From a657f23ca31237d652b5c101ed24194b6aeadaf8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20R=C3=B6ttsches?= <d-r@roettsches.de>
Date: Mon, 20 Feb 2017 21:52:07 +0200
Subject: [PATCH 0260/1326] Blacklist another instance of Padauk (#419)

In https://crbug.com/681813 another instance of Padauk was identified
triggering collapsed glyphs. Blacklist this version by patching
hb-ot-layout.cc to print out gdef, gsub, and gpos table length, then
adding those to the list of blacklisted versions.
---
 src/hb-ot-layout.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index a1682a5f9..e78e1524e 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -133,6 +133,9 @@ _hb_ot_layout_create (hb_face_t *face)
       || (1330 == gdef_len && 57938 == gpos_len && 109904 == gsub_len)
       /* 91fcc10cf15e012d27571e075b3b4dfe31754a8a padauk-3.0/Padauk-bookbold.ttf */
       || (1330 == gdef_len && 58972 == gpos_len && 109904 == gsub_len)
+      /* sha1sum: c26e41d567ed821bed997e937bc0c41435689e85  Padauk.ttf
+       *  "Padauk Regular" "Version 2.5", see https://crbug.com/681813 */
+      || (1004 == gdef_len && 14836 == gpos_len && 59092 == gsub_len)
     )
     {
       /* Many versions of Tahoma have bad GDEF tables that incorrectly classify some spacing marks

From 1d30c6d935535743c73b2d18abcc6ae86a1cfc5b Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sat, 25 Feb 2017 16:19:35 +0100
Subject: [PATCH 0261/1326] BASE: sanitize

---
 src/hb-ot-layout-base-table.hh | 151 ++++++++++++++++++++++++++++++++-
 1 file changed, 148 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index b3c0927b1..691b9db1c 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -48,6 +48,13 @@ namespace OT {
  */
 
 struct BaseCoordFormat1 {
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
   protected:
   USHORT    baseCoordFormat;
   SHORT   coordinate;
@@ -57,6 +64,13 @@ struct BaseCoordFormat1 {
 };
 
 struct BaseCoordFormat2 {
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
   protected:
   USHORT    baseCoordFormat;
   SHORT   coordinate;
@@ -68,6 +82,13 @@ struct BaseCoordFormat2 {
 };
 
 struct BaseCoordFormat3 {
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && deviceTable.sanitize (c, this));
+  }
+
   protected:
   USHORT    baseCoordFormat;
   SHORT   coordinate;
@@ -78,6 +99,20 @@ struct BaseCoordFormat3 {
 };
 
 struct BaseCoord {
+
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!u.baseCoordFormat.sanitize (c)) return_trace (false);
+    switch (u.baseCoordFormat) {
+    case 1: return_trace (u.format1.sanitize (c));
+    case 2: return_trace (u.format2.sanitize (c));
+    case 3: return_trace (u.format3.sanitize (c));
+    default:return_trace (true);
+    }
+  }
+
   protected:
   union {
     USHORT    baseCoordFormat;
@@ -91,6 +126,15 @@ struct BaseCoord {
 };
 
 struct FeatMinMaxRecord {
+
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      minCoord.sanitize (c, base) &&
+      maxCoord.sanitize (c, base));
+  }
+
   protected:
   Tag featureTableTag;
   OffsetTo<BaseCoord>   minCoord;
@@ -102,6 +146,16 @@ struct FeatMinMaxRecord {
 };
 
 struct MinMaxTable {
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      minCoord.sanitize (c, this) &&
+      maxCoord.sanitize (c, this) &&
+      featMinMaxRecordTable.sanitize (c, this));
+  }
+
   protected:
   OffsetTo<BaseCoord>   minCoord;
   OffsetTo<BaseCoord>   maxCoord;
@@ -114,6 +168,14 @@ struct MinMaxTable {
 };
 
 struct BaseLangSysRecord {
+
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      minMax.sanitize (c, base));
+  }
+
   protected:
   Tag baseLangSysTag;
   OffsetTo<MinMaxTable> minMax;
@@ -124,6 +186,14 @@ struct BaseLangSysRecord {
 };
 
 struct BaseValuesTable {
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      baseCoordTable.sanitize (c, this));
+  }
+
   protected:
   USHORT    defaultIndex;
   USHORT    baseCoordCount;
@@ -135,6 +205,16 @@ struct BaseValuesTable {
 };
 
 struct BaseScriptTable {
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      baseValues.sanitize (c, this) &&
+      defaultMinMax.sanitize (c, this) &&
+      baseLangSysRecordTable.sanitize (c, this));
+  }
+
   protected:
   OffsetTo<BaseValuesTable>  baseValues;
   OffsetTo<MinMaxTable>  defaultMinMax;
@@ -148,6 +228,13 @@ struct BaseScriptTable {
 
 struct BaseScriptRecord {
 
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      baseScript.sanitize (c, base));
+  }
+
   protected:
   Tag baseScriptTag;
   OffsetTo<BaseScriptTable> baseScript;
@@ -158,6 +245,13 @@ struct BaseScriptRecord {
 
 struct BaseScriptList {
 
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      baseScriptRecordTable.sanitize (c, this));
+  }
+
   protected:
   USHORT    baseScriptCount;
   ArrayOf<BaseScriptRecord> baseScriptRecordTable;
@@ -169,6 +263,12 @@ struct BaseScriptList {
 
 struct BaselineTag {
 
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
   protected:
   Tag   tag;
 
@@ -180,6 +280,13 @@ struct BaselineTag {
 struct BaseTagList
 {
 
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      baseTagListTable.sanitize (c, this));
+  }
+
   protected:
   USHORT    baseTagCount;
   ArrayOf<BaselineTag> baseTagListTable;
@@ -191,6 +298,14 @@ struct BaseTagList
 struct VertAxis
 {
 
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      baseTagList.sanitize (c, this) &&
+      baseScriptList.sanitize (c, this));
+  }
+
   protected:
   OffsetTo<BaseTagList> baseTagList;
   OffsetTo<BaseScriptList> baseScriptList;
@@ -202,6 +317,14 @@ struct VertAxis
 struct HorizAxis
 {
 
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      baseTagList.sanitize (c, this) &&
+      baseScriptList.sanitize (c, this));
+  }
+
   protected:
   OffsetTo<HorizAxis> baseTagList;
   OffsetTo<VertAxis> baseScriptList;
@@ -214,6 +337,15 @@ struct HorizAxis
 struct BASEFormat1_1
 {
 
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      horizAxis.sanitize (c, this) &&
+      vertAxis.sanitize (c, this) && 
+      itemVarStore.sanitize (c, this));
+  }
+
   protected:
   FixedVersion<>version;
   OffsetTo<HorizAxis> horizAxis;
@@ -227,6 +359,14 @@ struct BASEFormat1_1
 struct BASEFormat1_0
 {
 
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      horizAxis.sanitize (c, this) &&
+      vertAxis.sanitize (c, this));
+  }
+
   protected:
   FixedVersion<>version;
   OffsetTo<HorizAxis> horizAxis;
@@ -240,11 +380,16 @@ struct BASE
 {
   static const hb_tag_t tableTag = HB_OT_TAG_BASE;
 
-  inline bool sanitize (hb_sanitize_context_t *c) const
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
-    return_trace (u.version.sanitize (c) &&
-      likely (u.version.major == 1));
+    if (!u.version.sanitize (c)) return_trace (false);
+    if (!likely(u.version.major == 1)) return_trace (false);
+    switch (u.version.minor) {
+    case 0: return_trace (u.format1_0.sanitize (c));
+    case 1: return_trace (u.format1_1.sanitize (c));
+    default:return_trace (true);
+    }
   }
 
   protected:

From a0bdd546c584eb7c7ea3ca7e19a178723e6fe77f Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sat, 25 Feb 2017 16:34:58 +0100
Subject: [PATCH 0262/1326] factorize horiz+vertAxis

---
 src/hb-ot-layout-base-table.hh | 31 +++++--------------------------
 1 file changed, 5 insertions(+), 26 deletions(-)

diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index 691b9db1c..059c8f718 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -100,7 +100,6 @@ struct BaseCoordFormat3 {
 
 struct BaseCoord {
 
-
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -295,7 +294,7 @@ struct BaseTagList
   DEFINE_SIZE_ARRAY (4, baseTagListTable);
 };
 
-struct VertAxis
+struct Axis
 {
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -314,26 +313,6 @@ struct VertAxis
   DEFINE_SIZE_STATIC (4);
 };
 
-struct HorizAxis
-{
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-      baseTagList.sanitize (c, this) &&
-      baseScriptList.sanitize (c, this));
-  }
-
-  protected:
-  OffsetTo<HorizAxis> baseTagList;
-  OffsetTo<VertAxis> baseScriptList;
-
-  public:
-  DEFINE_SIZE_STATIC (4);
-};
-
-
 struct BASEFormat1_1
 {
 
@@ -348,8 +327,8 @@ struct BASEFormat1_1
 
   protected:
   FixedVersion<>version;
-  OffsetTo<HorizAxis> horizAxis;
-  OffsetTo<VertAxis> vertAxis;
+  OffsetTo<Axis> horizAxis;
+  OffsetTo<Axis> vertAxis;
   LOffsetTo<VariationStore> itemVarStore;
 
   public:
@@ -369,8 +348,8 @@ struct BASEFormat1_0
 
   protected:
   FixedVersion<>version;
-  OffsetTo<HorizAxis> horizAxis;
-  OffsetTo<VertAxis> vertAxis;
+  OffsetTo<Axis> horizAxis;
+  OffsetTo<Axis> vertAxis;
 
   public:
   DEFINE_SIZE_STATIC (8);

From 499b4bef2a5b6d49374ab4977509d1fbf7bd6038 Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sat, 25 Feb 2017 16:48:22 +0100
Subject: [PATCH 0263/1326] BASE: more consistent naming (with spec and
 Harfbuzz code base)

---
 src/hb-ot-layout-base-table.hh | 44 +++++++++++++++++-----------------
 1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index 059c8f718..f811c4ab2 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -144,7 +144,7 @@ struct FeatMinMaxRecord {
 
 };
 
-struct MinMaxTable {
+struct MinMax {
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -152,17 +152,17 @@ struct MinMaxTable {
     return_trace (c->check_struct (this) &&
       minCoord.sanitize (c, this) &&
       maxCoord.sanitize (c, this) &&
-      featMinMaxRecordTable.sanitize (c, this));
+      featMinMaxRecords.sanitize (c, this));
   }
 
   protected:
   OffsetTo<BaseCoord>   minCoord;
   OffsetTo<BaseCoord>   maxCoord;
   USHORT    featMinMaxCount;
-  ArrayOf<FeatMinMaxRecord> featMinMaxRecordTable;
+  ArrayOf<FeatMinMaxRecord> featMinMaxRecords;
 
   public:
-  DEFINE_SIZE_ARRAY (8, featMinMaxRecordTable);
+  DEFINE_SIZE_ARRAY (8, featMinMaxRecords);
 
 };
 
@@ -177,33 +177,33 @@ struct BaseLangSysRecord {
 
   protected:
   Tag baseLangSysTag;
-  OffsetTo<MinMaxTable> minMax;
+  OffsetTo<MinMax> minMax;
 
   public:
   DEFINE_SIZE_STATIC (6); 
 
 };
 
-struct BaseValuesTable {
+struct BaseValues {
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-      baseCoordTable.sanitize (c, this));
+      baseCoords.sanitize (c, this));
   }
 
   protected:
   USHORT    defaultIndex;
   USHORT    baseCoordCount;
-  OffsetArrayOf<BaseCoord> baseCoordTable;
+  OffsetArrayOf<BaseCoord> baseCoords;
 
   public:
-  DEFINE_SIZE_ARRAY (6, baseCoordTable);
+  DEFINE_SIZE_ARRAY (6, baseCoords);
 
 };
 
-struct BaseScriptTable {
+struct BaseScript {
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -211,17 +211,17 @@ struct BaseScriptTable {
     return_trace (c->check_struct (this) &&
       baseValues.sanitize (c, this) &&
       defaultMinMax.sanitize (c, this) &&
-      baseLangSysRecordTable.sanitize (c, this));
+      baseLangSysRecords.sanitize (c, this));
   }
 
   protected:
-  OffsetTo<BaseValuesTable>  baseValues;
-  OffsetTo<MinMaxTable>  defaultMinMax;
+  OffsetTo<BaseValues>  baseValues;
+  OffsetTo<MinMax>  defaultMinMax;
   USHORT    baseLangSysCount;
-  ArrayOf<BaseLangSysRecord> baseLangSysRecordTable;
+  ArrayOf<BaseLangSysRecord> baseLangSysRecords;
 
   public:
-    DEFINE_SIZE_ARRAY (8, baseLangSysRecordTable);
+    DEFINE_SIZE_ARRAY (8, baseLangSysRecords);
 };
 
 
@@ -236,7 +236,7 @@ struct BaseScriptRecord {
 
   protected:
   Tag baseScriptTag;
-  OffsetTo<BaseScriptTable> baseScript;
+  OffsetTo<BaseScript> baseScript;
 
   public:
     DEFINE_SIZE_STATIC (6);
@@ -248,15 +248,15 @@ struct BaseScriptList {
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-      baseScriptRecordTable.sanitize (c, this));
+      baseScriptRecords.sanitize (c, this));
   }
 
   protected:
   USHORT    baseScriptCount;
-  ArrayOf<BaseScriptRecord> baseScriptRecordTable;
+  ArrayOf<BaseScriptRecord> baseScriptRecords;
 
   public:
-  DEFINE_SIZE_ARRAY (4, baseScriptRecordTable);
+  DEFINE_SIZE_ARRAY (4, baseScriptRecords);
   
 };
 
@@ -283,15 +283,15 @@ struct BaseTagList
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-      baseTagListTable.sanitize (c, this));
+      baselineTags.sanitize (c, this));
   }
 
   protected:
   USHORT    baseTagCount;
-  ArrayOf<BaselineTag> baseTagListTable;
+  ArrayOf<BaselineTag> baselineTags;
 
   public:
-  DEFINE_SIZE_ARRAY (4, baseTagListTable);
+  DEFINE_SIZE_ARRAY (4, baselineTags);
 };
 
 struct Axis

From bd15567ed6a3667e6f8332b7374aece6a6f2361b Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sat, 25 Feb 2017 17:08:01 +0100
Subject: [PATCH 0264/1326] BASE: align member's names

---
 src/hb-ot-layout-base-table.hh | 70 +++++++++++++++++-----------------
 1 file changed, 35 insertions(+), 35 deletions(-)

diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index f811c4ab2..75b3f2e88 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -57,7 +57,7 @@ struct BaseCoordFormat1 {
 
   protected:
   USHORT    baseCoordFormat;
-  SHORT   coordinate;
+  SHORT     coordinate;
 
   public:
   DEFINE_SIZE_STATIC (4);
@@ -73,7 +73,7 @@ struct BaseCoordFormat2 {
 
   protected:
   USHORT    baseCoordFormat;
-  SHORT   coordinate;
+  SHORT     coordinate;
   USHORT    referenceGlyph;
   USHORT    baseCoordPoint;
 
@@ -90,9 +90,9 @@ struct BaseCoordFormat3 {
   }
 
   protected:
-  USHORT    baseCoordFormat;
-  SHORT   coordinate;
-  OffsetTo<Device>    deviceTable;
+  USHORT           baseCoordFormat;
+  SHORT            coordinate;
+  OffsetTo<Device> deviceTable;
 
   public:
   DEFINE_SIZE_STATIC (6);
@@ -114,7 +114,7 @@ struct BaseCoord {
 
   protected:
   union {
-    USHORT    baseCoordFormat;
+    USHORT            baseCoordFormat;
     BaseCoordFormat1  format1;
     BaseCoordFormat2  format2;
     BaseCoordFormat3  format3;
@@ -135,7 +135,7 @@ struct FeatMinMaxRecord {
   }
 
   protected:
-  Tag featureTableTag;
+  Tag                   featureTableTag;
   OffsetTo<BaseCoord>   minCoord;
   OffsetTo<BaseCoord>   maxCoord;
 
@@ -156,9 +156,9 @@ struct MinMax {
   }
 
   protected:
-  OffsetTo<BaseCoord>   minCoord;
-  OffsetTo<BaseCoord>   maxCoord;
-  USHORT    featMinMaxCount;
+  OffsetTo<BaseCoord>       minCoord;
+  OffsetTo<BaseCoord>       maxCoord;
+  USHORT                    featMinMaxCount;
   ArrayOf<FeatMinMaxRecord> featMinMaxRecords;
 
   public:
@@ -176,8 +176,8 @@ struct BaseLangSysRecord {
   }
 
   protected:
-  Tag baseLangSysTag;
-  OffsetTo<MinMax> minMax;
+  Tag               baseLangSysTag;
+  OffsetTo<MinMax>  minMax;
 
   public:
   DEFINE_SIZE_STATIC (6); 
@@ -194,9 +194,9 @@ struct BaseValues {
   }
 
   protected:
-  USHORT    defaultIndex;
-  USHORT    baseCoordCount;
-  OffsetArrayOf<BaseCoord> baseCoords;
+  USHORT                    defaultIndex;
+  USHORT                    baseCoordCount;
+  OffsetArrayOf<BaseCoord>  baseCoords;
 
   public:
   DEFINE_SIZE_ARRAY (6, baseCoords);
@@ -215,10 +215,10 @@ struct BaseScript {
   }
 
   protected:
-  OffsetTo<BaseValues>  baseValues;
-  OffsetTo<MinMax>  defaultMinMax;
-  USHORT    baseLangSysCount;
-  ArrayOf<BaseLangSysRecord> baseLangSysRecords;
+  OffsetTo<BaseValues>        baseValues;
+  OffsetTo<MinMax>            defaultMinMax;
+  USHORT                      baseLangSysCount;
+  ArrayOf<BaseLangSysRecord>  baseLangSysRecords;
 
   public:
     DEFINE_SIZE_ARRAY (8, baseLangSysRecords);
@@ -235,8 +235,8 @@ struct BaseScriptRecord {
   }
 
   protected:
-  Tag baseScriptTag;
-  OffsetTo<BaseScript> baseScript;
+  Tag                   baseScriptTag;
+  OffsetTo<BaseScript>  baseScript;
 
   public:
     DEFINE_SIZE_STATIC (6);
@@ -252,7 +252,7 @@ struct BaseScriptList {
   }
 
   protected:
-  USHORT    baseScriptCount;
+  USHORT                    baseScriptCount;
   ArrayOf<BaseScriptRecord> baseScriptRecords;
 
   public:
@@ -287,8 +287,8 @@ struct BaseTagList
   }
 
   protected:
-  USHORT    baseTagCount;
-  ArrayOf<BaselineTag> baselineTags;
+  USHORT                baseTagCount;
+  ArrayOf<BaselineTag>  baselineTags;
 
   public:
   DEFINE_SIZE_ARRAY (4, baselineTags);
@@ -306,8 +306,8 @@ struct Axis
   }
 
   protected:
-  OffsetTo<BaseTagList> baseTagList;
-  OffsetTo<BaseScriptList> baseScriptList;
+  OffsetTo<BaseTagList>     baseTagList;
+  OffsetTo<BaseScriptList>  baseScriptList;
 
   public:
   DEFINE_SIZE_STATIC (4);
@@ -326,9 +326,9 @@ struct BASEFormat1_1
   }
 
   protected:
-  FixedVersion<>version;
-  OffsetTo<Axis> horizAxis;
-  OffsetTo<Axis> vertAxis;
+  FixedVersion<>            version;
+  OffsetTo<Axis>            horizAxis;
+  OffsetTo<Axis>            vertAxis;
   LOffsetTo<VariationStore> itemVarStore;
 
   public:
@@ -347,9 +347,9 @@ struct BASEFormat1_0
   }
 
   protected:
-  FixedVersion<>version;
-  OffsetTo<Axis> horizAxis;
-  OffsetTo<Axis> vertAxis;
+  FixedVersion<>  version;
+  OffsetTo<Axis>  horizAxis;
+  OffsetTo<Axis>  vertAxis;
 
   public:
   DEFINE_SIZE_STATIC (8);
@@ -373,9 +373,9 @@ struct BASE
 
   protected:
   union {
-    FixedVersion<>version;    /* Version of the BASE table: 1.0 or 1.1 */
-    BASEFormat1_0  format1_0;
-    BASEFormat1_1  format1_1;
+    FixedVersion<>  version;    /* Version of the BASE table: 1.0 or 1.1 */
+    BASEFormat1_0   format1_0;
+    BASEFormat1_1   format1_1;
   } u;
 
   public:

From 6685d281d6f50bf046bbfef4a5263e15d15f2f02 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 25 Feb 2017 11:35:05 -0800
Subject: [PATCH 0265/1326] 1.4.3

---
 NEWS         | 12 ++++++++++++
 configure.ac |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 43a3bacea..e175b38a8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,15 @@
+Overview of changes leading to 1.4.3
+Saturday, February 25, 2017
+====================================
+
+- Route Adlam script to Arabic shaper.
+- Misc fixes.
+- New API:
+  hb_font_set_face()
+- Deprecate API:
+  hb_graphite2_font_get_gr_font()
+
+
 Overview of changes leading to 1.4.2
 Monday, January 23, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 31fa97d3b..a3eb0f021 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.2],
+        [1.4.3],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From d34e35b47457e757781b1769a1fbaf107ec6e32f Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sat, 25 Feb 2017 20:41:05 +0100
Subject: [PATCH 0266/1326] BASE: WIP: more access functions

---
 src/hb-ot-layout-base-table.hh | 218 +++++++++++++++++++++++++++++----
 1 file changed, 194 insertions(+), 24 deletions(-)

diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index 75b3f2e88..c4d9ad14e 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -43,12 +43,17 @@
 
 namespace OT {
 
+#define NO_COORD -32767
+
 /*
  * BASE -- The BASE Table
  */
 
 struct BaseCoordFormat1 {
 
+  inline SHORT get_coord () const
+  { return coordinate; }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -65,6 +70,9 @@ struct BaseCoordFormat1 {
 
 struct BaseCoordFormat2 {
 
+  inline SHORT get_coord () const
+  { return coordinate; }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -83,6 +91,9 @@ struct BaseCoordFormat2 {
 
 struct BaseCoordFormat3 {
 
+  inline SHORT get_coord (void ) const
+  { return coordinate; }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -100,6 +111,18 @@ struct BaseCoordFormat3 {
 
 struct BaseCoord {
 
+  inline hb_position_t get_value (hb_font_t *font, hb_direction_t dir) const
+  { 
+    SHORT coord;
+    switch (u.baseCoordFormat) {
+    case 1: coord = u.format1.get_coord();
+    case 2: coord = u.format2.get_coord();
+    case 3: coord = u.format3.get_coord();
+    default: return 0;
+    }
+    return font->em_scale (coord, dir); 
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -126,6 +149,21 @@ struct BaseCoord {
 
 struct FeatMinMaxRecord {
 
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir) const
+  { 
+    if (unlikely(minCoord == Null(OffsetTo<BaseCoord>))) return NO_COORD;
+    return (this+minCoord).get_value(font, dir); 
+  }
+
+  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir) const
+  { 
+    if (unlikely(maxCoord == Null(OffsetTo<BaseCoord>))) return NO_COORD;
+    return (this+maxCoord).get_value(font, dir); 
+  }
+
+  inline Tag get_tag () const
+  { return featureTableTag; }
+
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
@@ -146,6 +184,42 @@ struct FeatMinMaxRecord {
 
 struct MinMax {
 
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir) const
+  { 
+    if (unlikely(minCoord == Null(OffsetTo<BaseCoord>))) return NO_COORD;
+    return (this+minCoord).get_value(font, dir);
+  }
+
+  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir) const
+  { 
+    if (unlikely(maxCoord == Null(OffsetTo<BaseCoord>))) return NO_COORD;
+    return (this+maxCoord).get_value(font, dir);
+  }
+
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag featureTableTag) const
+  {
+    for (unsigned int i = 0; i < featMinMaxCount; i++) 
+    {
+      if (featMinMaxRecords[i].get_tag() == featureTableTag)
+        return featMinMaxRecords[i].get_min_value(font, dir);
+      // we could take advantage of alphabetical order by comparing Tags, not currently possible
+      //if (featMinMaxRecords[i].get_tag() > featureTableTag)
+      //  break;
+    }
+    return get_min_value (font, dir);
+  }
+
+  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir, Tag featureTableTag) const
+  {
+    for (unsigned int i = 0; i < featMinMaxCount; i++) 
+    {
+      if (featMinMaxRecords[i].get_tag() == featureTableTag)
+        return featMinMaxRecords[i].get_max_value(font, dir);
+      // we could use alphabetical order to break here
+    }
+    return get_min_value (font, dir);
+  }  
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -153,13 +227,14 @@ struct MinMax {
       minCoord.sanitize (c, this) &&
       maxCoord.sanitize (c, this) &&
       featMinMaxRecords.sanitize (c, this));
+    // TODO: test alphabetical order?
   }
 
   protected:
   OffsetTo<BaseCoord>       minCoord;
   OffsetTo<BaseCoord>       maxCoord;
   USHORT                    featMinMaxCount;
-  ArrayOf<FeatMinMaxRecord> featMinMaxRecords;
+  ArrayOf<FeatMinMaxRecord> featMinMaxRecords; /* All FeatMinMaxRecords are listed alphabetically */
 
   public:
   DEFINE_SIZE_ARRAY (8, featMinMaxRecords);
@@ -168,16 +243,32 @@ struct MinMax {
 
 struct BaseLangSysRecord {
 
+  inline Tag get_tag(void) const
+  { return baseLangSysTag; }
+
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir) const
+  { return (this+minMax).get_min_value(font, dir); }
+
+  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir) const
+  { return (this+minMax).get_max_value(font, dir); }
+
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag featureTableTag) const
+  { return (this+minMax).get_min_value(font, dir, featureTableTag); }
+
+  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir, Tag featureTableTag) const
+  { return (this+minMax).get_max_value(font, dir, featureTableTag); }  
+
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
+      minMax != Null(OffsetTo<MinMax>) &&
       minMax.sanitize (c, base));
   }
 
   protected:
   Tag               baseLangSysTag;
-  OffsetTo<MinMax>  minMax;
+  OffsetTo<MinMax>  minMax; // not supposed to be NULL
 
   public:
   DEFINE_SIZE_STATIC (6); 
@@ -205,6 +296,62 @@ struct BaseValues {
 
 struct BaseScript {
 
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir) const 
+  {
+    if (unlikely(defaultMinMax == Null(OffsetTo<MinMax>))) return NO_COORD;
+    return (this+defaultMinMax).get_min_value(font, dir);
+  }
+
+  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir) const 
+  {
+    if (unlikely(defaultMinMax == Null(OffsetTo<MinMax>))) return NO_COORD;
+    return (this+defaultMinMax).get_max_value(font, dir);
+  }
+
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag baseLangSysTag) const
+  { 
+    for (unsigned int i = 0; i < baseLangSysCount; i++) 
+    {
+      if (baseLangSysRecords[i].get_tag() == baseLangSysTag)
+        return baseLangSysRecords[i].get_min_value(font, dir);
+      // we could use alphabetical order to break here
+    }
+    return get_min_value (font, dir);
+  }
+
+  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir, Tag baseLangSysTag) const
+  {
+    for (unsigned int i = 0; i < baseLangSysCount; i++) 
+    {
+      if (baseLangSysRecords[i].get_tag() == baseLangSysTag)
+        return baseLangSysRecords[i].get_max_value(font, dir);
+      // we could use alphabetical order to break here
+    }
+    return get_max_value (font, dir);
+  }
+
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag baseLangSysTag, Tag featureTableTag) const
+  {
+    for (unsigned int i = 0; i < baseLangSysCount; i++) 
+    {
+      if (baseLangSysRecords[i].get_tag() == baseLangSysTag)
+        return baseLangSysRecords[i].get_min_value(font, dir, featureTableTag);
+      // we could use alphabetical order to break here
+    }
+    return get_min_value (font, dir);
+  }
+
+  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir, Tag baseLangSysTag, Tag featureTableTag) const
+  {
+    for (unsigned int i = 0; i < baseLangSysCount; i++)
+    {
+      if (baseLangSysRecords[i].get_tag() == baseLangSysTag)
+        return baseLangSysRecords[i].get_max_value(font, dir);
+      // we could use alphabetical order to break here
+    }
+    return get_max_value (font, dir);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -227,6 +374,16 @@ struct BaseScript {
 
 struct BaseScriptRecord {
 
+  inline const BaseScript *get_baseScript (void) const
+  {
+    return &(this+baseScript);
+  }
+
+  inline bool get_tag (void) const
+  {
+    return baseScriptTag;
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
@@ -244,6 +401,22 @@ struct BaseScriptRecord {
 
 struct BaseScriptList {
 
+  inline const BaseScript *get_baseScript_from_tag (Tag baseScriptTag) const
+  {
+    for (unsigned int i = 0; i < baseScriptCount; i++)
+      if (baseScriptRecords[i].get_tag() == baseScriptTag)
+        return baseScriptRecords[i].get_baseScript();
+      // we could use alphabetical order to break here
+    return NULL;
+  }
+
+  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag baseScriptTag) const 
+  {
+    const BaseScript *baseScript = get_baseScript_from_tag (baseScriptTag);
+    if (baseScript == NULL) return NO_COORD;
+    return baseScript->get_min_value(font, dir);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -260,35 +433,26 @@ struct BaseScriptList {
   
 };
 
-struct BaselineTag {
+struct BaseTagList
+{
 
-  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  inline bool hasTag(Tag tag) const
+  {
+    for (unsigned int i = 0; i < baseTagCount; i++)
+      if (baselineTags[i] == tag)
+        return true;
+    return false;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this));
   }
 
   protected:
-  Tag   tag;
-
-  public:
-  DEFINE_SIZE_STATIC (4);
-
-};
-
-struct BaseTagList
-{
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-      baselineTags.sanitize (c, this));
-  }
-
-  protected:
-  USHORT                baseTagCount;
-  ArrayOf<BaselineTag>  baselineTags;
+  USHORT        baseTagCount;
+  ArrayOf<Tag>  baselineTags; // must be in alphabetical order
 
   public:
   DEFINE_SIZE_ARRAY (4, baselineTags);
@@ -297,6 +461,12 @@ struct BaseTagList
 struct Axis
 {
 
+  inline bool hasTag(Tag tag) const
+  {
+    if (unlikely(baseTagList == Null(OffsetTo<BaseTagList>))) return false;
+    return (this+baseTagList).hasTag(tag);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);

From 85630996b8afa699f7b5d19346cdf5c72fcd6e2d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 25 Feb 2017 13:30:38 -0800
Subject: [PATCH 0267/1326] Fix buffer-overrun with Bengali reph positioning
 code

This has no security implications whatsoever since we always keep
and extra element at the end of buffer, just in case.

Discovered by oss-fuzz
CC https://github.com/behdad/harfbuzz/issues/139
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=660
---
 src/hb-ot-shape-complex-indic.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index b48fb561c..ec12ce69e 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1497,7 +1497,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     if (reph_pos == REPH_POS_AFTER_SUB)
     {
       new_reph_pos = base;
-      while (new_reph_pos < end &&
+      while (new_reph_pos + 1 < end &&
 	     !( FLAG_SAFE (info[new_reph_pos + 1].indic_position()) & (FLAG (POS_POST_C) | FLAG (POS_AFTER_POST) | FLAG (POS_SMVD))))
 	new_reph_pos++;
       if (new_reph_pos < end)

From a11501444cfc4854bfe2b1d3ce0fc5a957e959d8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 25 Feb 2017 13:37:54 -0800
Subject: [PATCH 0268/1326] Add few tests found by libFuzzer and oss-fuzz

---
 .../a34a9191d9376bda419836effeef7e75c1386016.ttf | Bin 0 -> 1010 bytes
 .../a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf | Bin 0 -> 820 bytes
 .../b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf | Bin 0 -> 3301 bytes
 .../e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf | Bin 0 -> 515 bytes
 test/shaping/tests/fuzzed.tests                  |   4 ++++
 5 files changed, 4 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/a34a9191d9376bda419836effeef7e75c1386016.ttf
 create mode 100644 test/shaping/fonts/sha1sum/a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf
 create mode 100644 test/shaping/fonts/sha1sum/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf
 create mode 100644 test/shaping/fonts/sha1sum/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf

diff --git a/test/shaping/fonts/sha1sum/a34a9191d9376bda419836effeef7e75c1386016.ttf b/test/shaping/fonts/sha1sum/a34a9191d9376bda419836effeef7e75c1386016.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..a358833c2fdcac4574cfcda9e1ea2b663b403573
GIT binary patch
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literal 0
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diff --git a/test/shaping/fonts/sha1sum/a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf b/test/shaping/fonts/sha1sum/a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..3cd5b5671378c7bb7bec767bbcddb53c89acfbd0
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/fonts/sha1sum/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf b/test/shaping/fonts/sha1sum/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..41897b6934bf75a48bd50dc9852bfc0a6b8dda74
GIT binary patch
literal 3301
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literal 0
HcmV?d00001

diff --git a/test/shaping/fonts/sha1sum/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf b/test/shaping/fonts/sha1sum/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..e9884ea8556ccad1a61a3e84279be5cfd9249a28
GIT binary patch
literal 515
zcmaiwy-ve06orptlRr>Zbqa`~pbRJyBMeLk6(X^KRIxB&0#zeg7lp91vG+mPS$F~-
zg#odna_khTLlKUAuYH|+{2fC8XyFMGS9$OF1e;iA<%4rOKR@fAKEH7(+6<q0|Kccw
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om?R0dxbu(+g*A7pHS5oHo0qpvJ6L5O9g=O?pkm;=gGtTw11I%1hyVZp

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/fuzzed.tests
index d9bace324..1f51e4412 100644
--- a/test/shaping/tests/fuzzed.tests
+++ b/test/shaping/tests/fuzzed.tests
@@ -11,3 +11,7 @@ fonts/sha1sum/fab39d60d758cb586db5a504f218442cd1395725.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/205edd09bd3d141cc9580f650109556cc28b22cb.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf:--font-funcs=ot:U+0061,U+0061,U+0061:[]
 fonts/sha1sum/558661aa659912f4d30ecd27bd09835171a8e2b0.ttf:--font-funcs=ot:U+FFFD,U+E0100,U+FFFD,U+E0010:[]
+fonts/sha1sum/a34a9191d9376bda419836effeef7e75c1386016.ttf:--font-funcs=ot:U+0041:[]
+fonts/sha1sum/a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf:--font-funcs=ot:U+0041:[gid0=0+1229]
+fonts/sha1sum/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+fonts/sha1sum/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]

From 3963315f1b2eae2504bc683760245c827cd1ef16 Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sun, 26 Feb 2017 15:07:53 +0100
Subject: [PATCH 0269/1326] BASE: first complete version

---
 src/hb-ot-layout-base-table.hh | 448 +++++++++++++++++++++++----------
 1 file changed, 319 insertions(+), 129 deletions(-)

diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index c4d9ad14e..9be403e53 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -43,7 +43,9 @@
 
 namespace OT {
 
-#define NO_COORD -32767
+#define NO_COORD Null(SHORT)//SHORT((short int) -32767)
+
+#define NOT_INDEXED   ((unsigned int) -1)
 
 /*
  * BASE -- The BASE Table
@@ -51,7 +53,7 @@ namespace OT {
 
 struct BaseCoordFormat1 {
 
-  inline SHORT get_coord () const
+  inline SHORT get_coord (void) const
   { return coordinate; }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -70,7 +72,7 @@ struct BaseCoordFormat1 {
 
 struct BaseCoordFormat2 {
 
-  inline SHORT get_coord () const
+  inline SHORT get_coord (void) const
   { return coordinate; }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -91,7 +93,7 @@ struct BaseCoordFormat2 {
 
 struct BaseCoordFormat3 {
 
-  inline SHORT get_coord (void ) const
+  inline SHORT get_coord (void) const
   { return coordinate; }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -111,17 +113,8 @@ struct BaseCoordFormat3 {
 
 struct BaseCoord {
 
-  inline hb_position_t get_value (hb_font_t *font, hb_direction_t dir) const
-  { 
-    SHORT coord;
-    switch (u.baseCoordFormat) {
-    case 1: coord = u.format1.get_coord();
-    case 2: coord = u.format2.get_coord();
-    case 3: coord = u.format3.get_coord();
-    default: return 0;
-    }
-    return font->em_scale (coord, dir); 
-  }
+  inline SHORT get_coord (void) const
+  { return u.format1.get_coord(); }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -131,7 +124,7 @@ struct BaseCoord {
     case 1: return_trace (u.format1.sanitize (c));
     case 2: return_trace (u.format2.sanitize (c));
     case 3: return_trace (u.format3.sanitize (c));
-    default:return_trace (true);
+    default:return_trace (false);
     }
   }
 
@@ -149,16 +142,16 @@ struct BaseCoord {
 
 struct FeatMinMaxRecord {
 
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir) const
-  { 
-    if (unlikely(minCoord == Null(OffsetTo<BaseCoord>))) return NO_COORD;
-    return (this+minCoord).get_value(font, dir); 
+  inline SHORT get_min_value (void) const
+  {
+    if (minCoord == Null(OffsetTo<BaseCoord>)) return NO_COORD;
+      return (this+minCoord).get_coord();
   }
 
-  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir) const
-  { 
-    if (unlikely(maxCoord == Null(OffsetTo<BaseCoord>))) return NO_COORD;
-    return (this+maxCoord).get_value(font, dir); 
+  inline SHORT get_max_value (void) const
+  {
+    if (minCoord == Null(OffsetTo<BaseCoord>)) return NO_COORD;
+      return (this+maxCoord).get_coord();
   }
 
   inline Tag get_tag () const
@@ -184,41 +177,39 @@ struct FeatMinMaxRecord {
 
 struct MinMax {
 
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir) const
-  { 
-    if (unlikely(minCoord == Null(OffsetTo<BaseCoord>))) return NO_COORD;
-    return (this+minCoord).get_value(font, dir);
-  }
-
-  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir) const
-  { 
-    if (unlikely(maxCoord == Null(OffsetTo<BaseCoord>))) return NO_COORD;
-    return (this+maxCoord).get_value(font, dir);
-  }
-
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag featureTableTag) const
+  inline unsigned int get_feature_tag_index (Tag featureTableTag) const
   {
-    for (unsigned int i = 0; i < featMinMaxCount; i++) 
-    {
-      if (featMinMaxRecords[i].get_tag() == featureTableTag)
-        return featMinMaxRecords[i].get_min_value(font, dir);
-      // we could take advantage of alphabetical order by comparing Tags, not currently possible
-      //if (featMinMaxRecords[i].get_tag() > featureTableTag)
-      //  break;
+    Tag tag;
+    int cmp;
+    // taking advantage of alphabetical order
+    for (unsigned int i = 0; i < featMinMaxCount; i++) {
+      tag = featMinMaxRecords[i].get_tag();
+      cmp = tag.cmp(featureTableTag);
+      if (cmp == 0) return i;
+      if (cmp > 0)  return NOT_INDEXED;
     }
-    return get_min_value (font, dir);
+    return NOT_INDEXED;
   }
 
-  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir, Tag featureTableTag) const
+  inline SHORT get_min_value (unsigned int featureTableTagIndex) const
   {
-    for (unsigned int i = 0; i < featMinMaxCount; i++) 
-    {
-      if (featMinMaxRecords[i].get_tag() == featureTableTag)
-        return featMinMaxRecords[i].get_max_value(font, dir);
-      // we could use alphabetical order to break here
+    if (featureTableTagIndex == NOT_INDEXED) {
+      if (minCoord == Null(OffsetTo<BaseCoord>)) return NO_COORD;
+      return (this+minCoord).get_coord();
     }
-    return get_min_value (font, dir);
-  }  
+    if (unlikely(featureTableTagIndex >= featMinMaxCount)) return NO_COORD;
+    return featMinMaxRecords[featureTableTagIndex].get_min_value();
+  }
+
+  inline SHORT get_max_value (unsigned int featureTableTagIndex) const
+  {
+    if (featureTableTagIndex == NOT_INDEXED) {
+      if (minCoord == Null(OffsetTo<BaseCoord>)) return NO_COORD;
+      return (this+maxCoord).get_coord();
+    }
+    if (unlikely(featureTableTagIndex >= featMinMaxCount)) return NO_COORD;
+    return featMinMaxRecords[featureTableTagIndex].get_max_value();
+  }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -234,7 +225,7 @@ struct MinMax {
   OffsetTo<BaseCoord>       minCoord;
   OffsetTo<BaseCoord>       maxCoord;
   USHORT                    featMinMaxCount;
-  ArrayOf<FeatMinMaxRecord> featMinMaxRecords; /* All FeatMinMaxRecords are listed alphabetically */
+  ArrayOf<FeatMinMaxRecord> featMinMaxRecords;
 
   public:
   DEFINE_SIZE_ARRAY (8, featMinMaxRecords);
@@ -246,17 +237,14 @@ struct BaseLangSysRecord {
   inline Tag get_tag(void) const
   { return baseLangSysTag; }
 
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir) const
-  { return (this+minMax).get_min_value(font, dir); }
+  inline unsigned int get_feature_tag_index (Tag featureTableTag) const
+  { (this+minMax).get_feature_tag_index(featureTableTag); }
 
-  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir) const
-  { return (this+minMax).get_max_value(font, dir); }
+  inline SHORT get_min_value (unsigned int featureTableTagIndex) const
+  { (this+minMax).get_min_value(featureTableTagIndex); }
 
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag featureTableTag) const
-  { return (this+minMax).get_min_value(font, dir, featureTableTag); }
-
-  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir, Tag featureTableTag) const
-  { return (this+minMax).get_max_value(font, dir, featureTableTag); }  
+  inline SHORT get_max_value (unsigned int featureTableTagIndex) const
+  { (this+minMax).get_max_value(featureTableTagIndex); }
 
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
@@ -277,15 +265,25 @@ struct BaseLangSysRecord {
 
 struct BaseValues {
 
+  inline const unsigned int get_default_base_tag_index (void) const
+  { return defaultIndex; }
+
+  inline SHORT get_base_coord (unsigned int baselineTagIndex) const
+  {
+    if (unlikely(baselineTagIndex >= baseCoordCount)) return NO_COORD;
+    return (this+baseCoords[baselineTagIndex]).get_coord();
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
+      defaultIndex <= baseCoordCount &&
       baseCoords.sanitize (c, this));
   }
 
   protected:
-  USHORT                    defaultIndex;
+  Index                     defaultIndex;
   USHORT                    baseCoordCount;
   OffsetArrayOf<BaseCoord>  baseCoords;
 
@@ -296,62 +294,56 @@ struct BaseValues {
 
 struct BaseScript {
 
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir) const 
+  inline unsigned int get_lang_tag_index (Tag baseLangSysTag) const
   {
-    if (unlikely(defaultMinMax == Null(OffsetTo<MinMax>))) return NO_COORD;
-    return (this+defaultMinMax).get_min_value(font, dir);
-  }
-
-  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir) const 
-  {
-    if (unlikely(defaultMinMax == Null(OffsetTo<MinMax>))) return NO_COORD;
-    return (this+defaultMinMax).get_max_value(font, dir);
-  }
-
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag baseLangSysTag) const
-  { 
-    for (unsigned int i = 0; i < baseLangSysCount; i++) 
-    {
-      if (baseLangSysRecords[i].get_tag() == baseLangSysTag)
-        return baseLangSysRecords[i].get_min_value(font, dir);
-      // we could use alphabetical order to break here
+    Tag tag;
+    int cmp;
+    for (unsigned int i = 0; i < baseLangSysCount; i++) {
+      tag = baseLangSysRecords[i].get_tag();
+      // taking advantage of alphabetical order
+      cmp = tag.cmp(baseLangSysTag);
+      if (cmp == 0) return i;
+      if (cmp > 0)  return NOT_INDEXED;
     }
-    return get_min_value (font, dir);
+    return NOT_INDEXED;
   }
 
-  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir, Tag baseLangSysTag) const
+  inline unsigned int get_feature_tag_index (unsigned int baseLangSysIndex, Tag featureTableTag) const
   {
-    for (unsigned int i = 0; i < baseLangSysCount; i++) 
-    {
-      if (baseLangSysRecords[i].get_tag() == baseLangSysTag)
-        return baseLangSysRecords[i].get_max_value(font, dir);
-      // we could use alphabetical order to break here
+    if (baseLangSysIndex == NOT_INDEXED) {
+      if (unlikely(defaultMinMax)) return NOT_INDEXED;
+      return (this+defaultMinMax).get_feature_tag_index(featureTableTag);
     }
-    return get_max_value (font, dir);
+    if (unlikely(baseLangSysIndex >= baseLangSysCount)) return NOT_INDEXED;
+    return baseLangSysRecords[baseLangSysIndex].get_feature_tag_index(featureTableTag);
   }
 
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag baseLangSysTag, Tag featureTableTag) const
+  inline SHORT get_min_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
   {
-    for (unsigned int i = 0; i < baseLangSysCount; i++) 
-    {
-      if (baseLangSysRecords[i].get_tag() == baseLangSysTag)
-        return baseLangSysRecords[i].get_min_value(font, dir, featureTableTag);
-      // we could use alphabetical order to break here
+    if (baseLangSysIndex == NOT_INDEXED) {
+      if (unlikely(defaultMinMax == Null(OffsetTo<MinMax>))) return NO_COORD;
+      return (this+defaultMinMax).get_min_value(featureTableTagIndex);
     }
-    return get_min_value (font, dir);
+    if (unlikely(baseLangSysIndex >= baseLangSysCount)) return NO_COORD;
+    return baseLangSysRecords[baseLangSysIndex].get_max_value(featureTableTagIndex); 
   }
 
-  inline hb_position_t get_max_value (hb_font_t *font, hb_direction_t dir, Tag baseLangSysTag, Tag featureTableTag) const
+  inline SHORT get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
   {
-    for (unsigned int i = 0; i < baseLangSysCount; i++)
-    {
-      if (baseLangSysRecords[i].get_tag() == baseLangSysTag)
-        return baseLangSysRecords[i].get_max_value(font, dir);
-      // we could use alphabetical order to break here
+    if (baseLangSysIndex == NOT_INDEXED) {
+      if (unlikely(defaultMinMax == Null(OffsetTo<MinMax>))) return NO_COORD;
+      return (this+defaultMinMax).get_min_value(featureTableTagIndex);
     }
-    return get_max_value (font, dir);
+    if (unlikely(baseLangSysIndex >= baseLangSysCount)) return NO_COORD;
+    return baseLangSysRecords[baseLangSysIndex].get_max_value(featureTableTagIndex);
   }
 
+  inline unsigned int get_default_base_tag_index (void) const
+  { return (this+baseValues).get_default_base_tag_index(); }
+
+  inline SHORT get_base_coord (unsigned int baselineTagIndex) const
+  { return (this+baseValues).get_base_coord(baselineTagIndex); }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -374,20 +366,32 @@ struct BaseScript {
 
 struct BaseScriptRecord {
 
-  inline const BaseScript *get_baseScript (void) const
-  {
-    return &(this+baseScript);
-  }
-
   inline bool get_tag (void) const
-  {
-    return baseScriptTag;
-  }
+  { return baseScriptTag; }
+
+  inline unsigned int get_default_base_tag_index(void) const
+  { return (this+baseScript).get_default_base_tag_index(); }
+
+  inline SHORT get_base_coord(unsigned int baselineTagIndex) const
+  { return (this+baseScript).get_base_coord(baselineTagIndex); }
+
+  inline unsigned int get_lang_tag_index (Tag baseLangSysTag) const
+  { return (this+baseScript).get_lang_tag_index(baseLangSysTag); }
+
+  inline unsigned int get_feature_tag_index (unsigned int baseLangSysIndex, Tag featureTableTag) const
+  { return (this+baseScript).get_feature_tag_index(baseLangSysIndex, featureTableTag); }
+
+  inline SHORT get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  { return (this+baseScript).get_max_value(baseLangSysIndex, featureTableTagIndex); }
+
+  inline SHORT get_min_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  { return (this+baseScript).get_min_value(baseLangSysIndex, featureTableTagIndex); }
 
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
+      baseScript != Null(OffsetTo<BaseScript>) &&
       baseScript.sanitize (c, base));
   }
 
@@ -401,20 +405,48 @@ struct BaseScriptRecord {
 
 struct BaseScriptList {
 
-  inline const BaseScript *get_baseScript_from_tag (Tag baseScriptTag) const
+  inline unsigned int get_base_script_index (Tag baseScriptTag) const
   {
     for (unsigned int i = 0; i < baseScriptCount; i++)
       if (baseScriptRecords[i].get_tag() == baseScriptTag)
-        return baseScriptRecords[i].get_baseScript();
-      // we could use alphabetical order to break here
-    return NULL;
+        return i;
+    return NOT_INDEXED;
   }
 
-  inline hb_position_t get_min_value (hb_font_t *font, hb_direction_t dir, Tag baseScriptTag) const 
+  inline unsigned int get_default_base_tag_index (unsigned int baseScriptIndex) const
+  { 
+    if (unlikely(baseScriptIndex >= baseScriptCount)) return NOT_INDEXED;
+    return baseScriptRecords[baseScriptIndex].get_default_base_tag_index();
+  }
+
+  inline SHORT get_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
   {
-    const BaseScript *baseScript = get_baseScript_from_tag (baseScriptTag);
-    if (baseScript == NULL) return NO_COORD;
-    return baseScript->get_min_value(font, dir);
+    if (unlikely(baseScriptIndex >= baseScriptCount)) return NO_COORD;
+    return baseScriptRecords[baseScriptIndex].get_base_coord(baselineTagIndex);
+  }
+
+  inline unsigned int get_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
+  {
+    if (unlikely(baseScriptIndex >= baseScriptCount)) return NOT_INDEXED;
+    return baseScriptRecords[baseScriptIndex].get_lang_tag_index(baseLangSysTag);
+  }
+
+  inline unsigned int get_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
+  {
+    if (unlikely(baseScriptIndex >= baseScriptCount)) return NOT_INDEXED;
+    return baseScriptRecords[baseScriptIndex].get_feature_tag_index(baseLangSysIndex, featureTableTag);
+  }
+
+  inline SHORT get_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  {
+    if (unlikely(baseScriptIndex >= baseScriptCount)) return NO_COORD;
+    return baseScriptRecords[baseScriptIndex].get_max_value(baseLangSysIndex, featureTableTagIndex);
+  }
+
+  inline SHORT get_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  {
+    if (unlikely(baseScriptIndex >= baseScriptCount)) return NO_COORD;
+    return baseScriptRecords[baseScriptIndex].get_min_value(baseLangSysIndex, featureTableTagIndex);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -436,12 +468,12 @@ struct BaseScriptList {
 struct BaseTagList
 {
 
-  inline bool hasTag(Tag tag) const
+  inline unsigned int get_tag_index(Tag baselineTag) const
   {
     for (unsigned int i = 0; i < baseTagCount; i++)
-      if (baselineTags[i] == tag)
-        return true;
-    return false;
+      if (baselineTags[i] == baselineTag)
+        return i;
+    return NOT_INDEXED;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -452,7 +484,7 @@ struct BaseTagList
 
   protected:
   USHORT        baseTagCount;
-  ArrayOf<Tag>  baselineTags; // must be in alphabetical order
+  SortedArrayOf<Tag>  baselineTags;
 
   public:
   DEFINE_SIZE_ARRAY (4, baselineTags);
@@ -461,10 +493,46 @@ struct BaseTagList
 struct Axis
 {
 
-  inline bool hasTag(Tag tag) const
+  inline unsigned int get_base_tag_index(Tag baselineTag) const
   {
-    if (unlikely(baseTagList == Null(OffsetTo<BaseTagList>))) return false;
-    return (this+baseTagList).hasTag(tag);
+    if (unlikely(baseTagList == Null(OffsetTo<BaseTagList>))) return NOT_INDEXED;
+    return (this+baseTagList).get_tag_index(baselineTag);
+  }
+
+  inline unsigned int get_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
+  { 
+    if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NOT_INDEXED;
+    return (this+baseScriptList).get_default_base_tag_index(baseScriptIndex);
+  }
+
+  inline SHORT get_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
+  {
+    if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NO_COORD;
+    return (this+baseScriptList).get_base_coord(baseScriptIndex, baselineTagIndex);
+  }
+
+  inline unsigned int get_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
+  {
+    if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NOT_INDEXED;
+    return (this+baseScriptList).get_lang_tag_index(baseScriptIndex, baseLangSysTag);
+  }
+
+  inline unsigned int get_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
+  {
+    if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NOT_INDEXED;
+    return (this+baseScriptList).get_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag);
+  }
+
+  inline SHORT get_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  {
+    if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NO_COORD;
+    return (this+baseScriptList).get_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
+  }
+
+  inline SHORT get_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  {
+    if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NO_COORD;
+    return (this+baseScriptList).get_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -508,6 +576,104 @@ struct BASEFormat1_1
 struct BASEFormat1_0
 {
 
+  inline bool has_vert_axis(void)
+  { return vertAxis != Null(OffsetTo<Axis>); }
+
+  inline bool has_horiz_axis(void)
+  { return horizAxis != Null(OffsetTo<Axis>); }
+
+  // horizontal axis base coords:
+
+  inline unsigned int get_horiz_base_tag_index(Tag baselineTag) const
+  {
+    if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
+    return (this+horizAxis).get_base_tag_index(baselineTag);
+  }
+
+  inline unsigned int get_horiz_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
+  { 
+    if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
+    return (this+horizAxis).get_default_base_tag_index_for_script_index(baseScriptIndex);
+  }
+
+  inline SHORT get_horiz_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
+  {
+    if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NO_COORD;
+    return (this+horizAxis).get_base_coord(baseScriptIndex, baselineTagIndex);
+  }
+
+  // vertical axis base coords:
+
+  inline unsigned int get_vert_base_tag_index(Tag baselineTag) const
+  {
+    if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
+    return (this+vertAxis).get_base_tag_index(baselineTag);
+  }
+
+  inline unsigned int get_vert_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
+  { 
+    if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
+    return (this+vertAxis).get_default_base_tag_index_for_script_index(baseScriptIndex);
+  }
+
+  inline SHORT get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
+  {
+    if (vertAxis == Null(OffsetTo<Axis>)) return NO_COORD;
+    return (this+vertAxis).get_base_coord(baseScriptIndex, baselineTagIndex);
+  }
+
+  // horizontal axis min/max coords:
+
+  inline unsigned int get_horiz_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
+  {
+    if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
+    return (this+horizAxis).get_lang_tag_index (baseScriptIndex, baseLangSysTag);
+  }
+
+  inline unsigned int get_horiz_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
+  {
+    if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
+    return (this+horizAxis).get_feature_tag_index (baseScriptIndex, baseLangSysIndex, featureTableTag);
+  }
+
+  inline SHORT get_horiz_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  {
+    if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NO_COORD;
+    return (this+horizAxis).get_max_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
+  }
+
+  inline SHORT get_horiz_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  {
+    if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NO_COORD;
+    return (this+horizAxis).get_min_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
+  }
+
+    // vertical axis min/max coords:
+
+  inline unsigned int get_vert_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
+  {
+    if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
+    return (this+vertAxis).get_lang_tag_index (baseScriptIndex, baseLangSysTag);
+  }
+
+  inline unsigned int get_vert_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
+  {
+    if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
+    return (this+vertAxis).get_feature_tag_index (baseScriptIndex, baseLangSysIndex, featureTableTag);
+  }
+
+  inline SHORT get_vert_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  {
+    if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NO_COORD;
+    return (this+vertAxis).get_max_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
+  }
+
+  inline SHORT get_vert_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  {
+    if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NO_COORD;
+    return (this+vertAxis).get_min_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -529,6 +695,30 @@ struct BASE
 {
   static const hb_tag_t tableTag = HB_OT_TAG_BASE;
 
+  inline bool has_vert_axis(void)
+  { return u.format1_0.has_vert_axis(); }
+
+  inline bool has_horiz_axis(void)
+  { return u.format1_0.has_horiz_axis(); }
+
+  inline unsigned int get_horiz_base_tag_index(Tag baselineTag) const
+  { return u.format1_0.get_horiz_base_tag_index(baselineTag); }
+
+  inline unsigned int get_horiz_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
+  { return u.format1_0.get_horiz_default_base_tag_index_for_script_index(baseScriptIndex); }
+
+  inline SHORT get_horiz_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
+  { return u.format1_0.get_horiz_base_coord(baseScriptIndex, baselineTagIndex); }
+
+  inline unsigned int get_vert_base_tag_index(Tag baselineTag) const
+  { return u.format1_0.get_vert_base_tag_index(baselineTag); }
+
+  inline unsigned int get_vert_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
+  { return u.format1_0.get_vert_default_base_tag_index_for_script_index(baseScriptIndex); }
+
+  inline SHORT get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
+  { return u.format1_0.get_vert_base_coord(baseScriptIndex, baselineTagIndex); }
+
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
@@ -537,7 +727,7 @@ struct BASE
     switch (u.version.minor) {
     case 0: return_trace (u.format1_0.sanitize (c));
     case 1: return_trace (u.format1_1.sanitize (c));
-    default:return_trace (true);
+    default:return_trace (false);
     }
   }
 

From f72726c52b104a71ebf5b39fa1e3eb9febd446fc Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sun, 26 Feb 2017 15:08:43 +0100
Subject: [PATCH 0270/1326] BASE: add function in main BASE object

---
 src/hb-ot-layout-base-table.hh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index 9be403e53..c60ce6de5 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -719,6 +719,30 @@ struct BASE
   inline SHORT get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
   { return u.format1_0.get_vert_base_coord(baseScriptIndex, baselineTagIndex); }
 
+  inline unsigned int get_horiz_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
+  { return u.format1_0.get_horiz_lang_tag_index(baseScriptIndex, baseLangSysTag); }
+
+  inline unsigned int get_horiz_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
+  { return u.format1_0.get_horiz_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag); }
+
+  inline SHORT get_horiz_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  { return u.format1_0.get_horiz_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
+
+  inline SHORT get_horiz_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  { return u.format1_0.get_horiz_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
+
+  inline unsigned int get_vert_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
+  { return u.format1_0.get_vert_lang_tag_index(baseScriptIndex, baseLangSysTag); }
+
+  inline unsigned int get_vert_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
+  { return u.format1_0.get_vert_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag); }
+
+  inline SHORT get_vert_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  { return u.format1_0.get_vert_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
+
+  inline SHORT get_vert_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
+  { return u.format1_0.get_vert_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
+
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);

From b9b005f3a44ccf78a45b212b126287b69b9f4b40 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Mar 2017 14:27:23 -0800
Subject: [PATCH 0271/1326] Fix Context lookup application when moving back
 after a glyph delete

This was broken forever, since days that we did not allow moving
tape backwards. Works now. Reported by Doug Felt.
---
 src/hb-ot-layout-gsubgpos-private.hh             |   7 +++----
 .../5bbf3712e6f79775c66a4407837a90e591efbef2.ttf | Bin 0 -> 6400 bytes
 test/shaping/tests/context-matching.tests        |   1 +
 3 files changed, 4 insertions(+), 4 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/5bbf3712e6f79775c66a4407837a90e591efbef2.ttf

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 0c4235268..244c3957a 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -999,14 +999,13 @@ static inline bool apply_lookup (hb_apply_context_t *c,
     /* Recursed lookup changed buffer len.  Adjust. */
 
     end += delta;
-    if (end <= int (match_positions[idx]))
+    if (end < int (match_positions[idx]))
     {
       /* End might end up being smaller than match_positions[idx] if the recursed
-       * lookup ended up removing many items, more than we have had matched.
+       * lookup ended up removing too many items.
        * Just never rewind end back and get out of here.
        * https://bugs.chromium.org/p/chromium/issues/detail?id=659496 */
       end = match_positions[idx];
-      /* There can't be any further changes. */
       break;
     }
 
@@ -1019,7 +1018,7 @@ static inline bool apply_lookup (hb_apply_context_t *c,
     }
     else
     {
-      /* NOTE: delta is negative. */
+      /* NOTE: delta is non-positive. */
       delta = MAX (delta, (int) next - (int) count);
       next -= delta;
     }
diff --git a/test/shaping/fonts/sha1sum/5bbf3712e6f79775c66a4407837a90e591efbef2.ttf b/test/shaping/fonts/sha1sum/5bbf3712e6f79775c66a4407837a90e591efbef2.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..2d2bf19b16ff4a4d7c9f4bf0630a4b46167bd048
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zlO^E4zcSzKN>KdDzFKbaTKw}@DS-c{b}kRF^Z%mUn%}S5{%Ze(LG_ox*%<|D%?C3P
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zc6QFLfCdV;;9vj{5~6ot1qxs&s97HZv-b<jpwbTT{d&D3sE6;b;Ml<&Pz^sg7y<1U
U3|I%yzvK@CY~SO3?+;e+U$2Zp=>Px#

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/context-matching.tests b/test/shaping/tests/context-matching.tests
index e20616e4c..1711818c0 100644
--- a/test/shaping/tests/context-matching.tests
+++ b/test/shaping/tests/context-matching.tests
@@ -1,3 +1,4 @@
 fonts/sha1sum/4cce528e99f600ed9c25a2b69e32eb94a03b4ae8.ttf::U+1A48,U+1A58,U+1A25,U+1A48,U+1A58,U+1A25,U+1A6E,U+1A63:[uni1A48=0+1212|uni1A25=0+1912|uni1A58=0+0|uni1A48=3+1212|uni1A6E=3+0|uni1A25=3+1912|uni1A58=3+0|uni1A63=3+1212]
 fonts/sha1sum/d629e7fedc0b350222d7987345fe61613fa3929a.ttf::U+0915,U+093F,U+0915,U+093F:[ivowelsign03deva=0+530|kadeva=0+1561|ivowelsign03deva=2+530|kadeva=2+1561]
 fonts/sha1sum/f499fbc23865022234775c43503bba2e63978fe1.ttf::U+09B0,U+09CD,U+09A5,U+09CD,U+09AF,U+09C0:[gid1=0+1320|gid13=0+523|gid18=0+545]
+fonts/sha1sum/5bbf3712e6f79775c66a4407837a90e591efbef2.ttf:--font-funcs=ot:U+1F1FA,U+1F1FC:[gid3=0+2550]

From 5aec2fb8d0a4db52ae414d980b66018ca5ce1e9c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 2 Mar 2017 11:46:33 -0800
Subject: [PATCH 0272/1326] Remove TODO item that is not going to happen

---
 src/hb-ot-shape.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 2eacb34c4..29f5e58e5 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -378,7 +378,6 @@ hb_ot_shape_setup_masks_fraction (hb_ot_shape_context_t *c)
     post_mask = c->plan->numr_mask | c->plan->frac_mask;
   }
 
-  /* TODO look in pre/post context text also. */
   unsigned int count = buffer->len;
   hb_glyph_info_t *info = buffer->info;
   for (unsigned int i = 0; i < count; i++)

From e65aaaa00a3b5ac811b5c73b5186cd7d65731f7b Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sun, 5 Mar 2017 14:53:39 +0100
Subject: [PATCH 0273/1326] BASE: start api

---
 src/Makefile.sources           |  2 ++
 src/hb-ot-base.cc              | 58 ++++++++++++++++++++++++++++++++++
 src/hb-ot-base.h               | 56 ++++++++++++++++++++++++++++++++
 src/hb-ot-layout-base-table.hh | 15 ++-------
 4 files changed, 118 insertions(+), 13 deletions(-)
 create mode 100644 src/hb-ot-base.cc
 create mode 100644 src/hb-ot-base.h

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 0f83f6ebd..db7305659 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -68,6 +68,7 @@ HB_NODIST_headers = \
 HB_FALLBACK_sources = hb-fallback-shape.cc
 
 HB_OT_sources = \
+	hb-ot-base.cc \
 	hb-ot-font.cc \
 	hb-ot-layout.cc \
 	hb-ot-layout-base-table.hh \
@@ -121,6 +122,7 @@ HB_OT_headers = \
 	hb-ot-font.h \
 	hb-ot-layout.h \
 	hb-ot-math.h \
+	hb-ot-base.h \
 	hb-ot-shape.h \
 	hb-ot-tag.h \
 	hb-ot-var.h \
diff --git a/src/hb-ot-base.cc b/src/hb-ot-base.cc
new file mode 100644
index 000000000..27e0b208a
--- /dev/null
+++ b/src/hb-ot-base.cc
@@ -0,0 +1,58 @@
+/*
+ * Copyright © 2017 Elie Roux<elie.roux@telecom-bretagne.eu>
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ */
+
+#include "hb-open-type-private.hh"
+
+#include "hb-ot-layout-private.hh"
+#include "hb-ot-layout-base-table.hh"
+
+static inline const OT::BASE&
+_get_base (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::BASE);
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  return *(layout->base.get ());
+}
+
+/*
+ * OT::BASE
+ */
+
+/**
+ * hb_ot_base_has_data:
+ * @face: #hb_face_t to test
+ *
+ * This function allows to verify the presence of an OpenType BASE table on the
+ * face.
+ *
+ * Return value: true if face has a BASE table, false otherwise
+ *
+ * Since: XXX
+ **/
+hb_bool_t
+hb_ot_base_has_data (hb_face_t *face)
+{
+  return &_get_base (face) != &OT::Null(OT::BASE);
+}
diff --git a/src/hb-ot-base.h b/src/hb-ot-base.h
new file mode 100644
index 000000000..9d82d2289
--- /dev/null
+++ b/src/hb-ot-base.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright © 2017 Elie Roux<elie.roux@telecom-bretagne.eu>
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ */
+
+#ifndef HB_OT_H_IN
+#error "Include <hb-ot.h> instead."
+#endif
+
+#ifndef HB_OT_BASE_H
+#define HB_OT_BASE_H
+
+#include "hb.h"
+
+HB_BEGIN_DECLS
+
+#define HB_OT_TAG_BASE      HB_TAG('B','A','S','E')
+
+// https://www.microsoft.com/typography/otspec/baselinetags.htm
+
+#define HB_OT_TAG_BASE_HANG HB_TAG('h','a','n','g')
+#define HB_OT_TAG_BASE_ICFB HB_TAG('i','c','f','b')
+#define HB_OT_TAG_BASE_ICFT HB_TAG('i','c','f','t')
+#define HB_OT_TAG_BASE_IDEO HB_TAG('i','d','e','o')
+#define HB_OT_TAG_BASE_IDTB HB_TAG('i','d','t','b')
+#define HB_OT_TAG_BASE_MATH HB_TAG('m','a','t','h')
+#define HB_OT_TAG_BASE_ROMN HB_TAG('r','o','m','n')
+
+/* Methods */
+
+HB_EXTERN hb_bool_t
+hb_ot_base_has_data (hb_face_t *face);
+
+HB_END_DECLS
+
+#endif /* HB_OT_BASE_H */
diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index c60ce6de5..0d1e197e1 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -28,18 +28,7 @@
 
 #include "hb-open-type-private.hh"
 #include "hb-ot-layout-common-private.hh"
-
-#define HB_OT_TAG_BASE      HB_TAG('B','A','S','E')
-
-// https://www.microsoft.com/typography/otspec/baselinetags.htm
-
-#define HB_OT_TAG_BASE_HANG HB_TAG('h','a','n','g')
-#define HB_OT_TAG_BASE_ICFB HB_TAG('i','c','f','b')
-#define HB_OT_TAG_BASE_ICFT HB_TAG('i','c','f','t')
-#define HB_OT_TAG_BASE_IDEO HB_TAG('i','d','e','o')
-#define HB_OT_TAG_BASE_IDTB HB_TAG('i','d','t','b')
-#define HB_OT_TAG_BASE_MATH HB_TAG('m','a','t','h')
-#define HB_OT_TAG_BASE_ROMN HB_TAG('r','o','m','n')
+#include "hb-ot-base.h"
 
 namespace OT {
 
@@ -743,7 +732,7 @@ struct BASE
   inline SHORT get_vert_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
   { return u.format1_0.get_vert_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
 
-  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
     if (!u.version.sanitize (c)) return_trace (false);

From 3ebcd5a381e2de27a0cfb5af3359331f0b7e7108 Mon Sep 17 00:00:00 2001
From: Elie Roux <elie.roux@telecom-bretagne.eu>
Date: Sun, 5 Mar 2017 16:26:01 +0100
Subject: [PATCH 0274/1326] first working version!

---
 src/hb-ot-layout.cc | 2 ++
 src/hb-ot.h         | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 3511810ac..d393f5ca6 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -57,6 +57,7 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->gpos = OT::Sanitizer<OT::GPOS>::lock_instance (layout->gpos_blob);
 
   layout->math.init (face);
+  layout->base.init (face);
   layout->fvar.init (face);
   layout->avar.init (face);
 
@@ -185,6 +186,7 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   hb_blob_destroy (layout->gpos_blob);
 
   layout->math.fini ();
+  layout->base.fini ();
   layout->fvar.fini ();
   layout->avar.fini ();
 
diff --git a/src/hb-ot.h b/src/hb-ot.h
index 2120a3efa..272208e38 100644
--- a/src/hb-ot.h
+++ b/src/hb-ot.h
@@ -33,6 +33,7 @@
 #include "hb-ot-font.h"
 #include "hb-ot-layout.h"
 #include "hb-ot-math.h"
+#include "hb-ot-base.h"
 #include "hb-ot-tag.h"
 #include "hb-ot-shape.h"
 #include "hb-ot-var.h"

From 9ac9af725c781f4597e8db46cf330d595c072739 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 5 Mar 2017 13:51:01 -0800
Subject: [PATCH 0275/1326] Add TODO item

---
 src/hb-ot-layout-gsubgpos-private.hh | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 244c3957a..005ed21d8 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -996,7 +996,29 @@ static inline bool apply_lookup (hb_apply_context_t *c,
     if (!delta)
         continue;
 
-    /* Recursed lookup changed buffer len.  Adjust. */
+    /* Recursed lookup changed buffer len.  Adjust.
+     *
+     * TODO:
+     *
+     * Right now, if buffer length increased by n, we assume n new glyphs
+     * were added right after the current position, and if buffer length
+     * was decreased by n, we assume n match positions after the current
+     * one where removed.  The former (buffer length increased) case is
+     * fine, but the decrease case can be improved in at least two ways,
+     * both of which are significant:
+     *
+     *   - If recursed-to lookup is MultipleSubst and buffer length
+     *     decreased, then it's current match position that was deleted,
+     *     NOT the one after it.
+     *
+     *   - If buffer length was decreased by n, it does not necessarily
+     *     mean that n match positions where removed, as there might
+     *     have been marks and default-ignorables in the sequence.  We
+     *     should instead drop match positions between current-position
+     *     and current-position + n instead.
+     *
+     * It should be possible to construct tests for both of these cases.
+     */
 
     end += delta;
     if (end < int (match_positions[idx]))

From 8e42c3cb2bb81351d0a28f213cb4f6d35f4b5e46 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 5 Mar 2017 13:54:56 -0800
Subject: [PATCH 0276/1326] 1.4.4

---
 NEWS         | 8 ++++++++
 configure.ac | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index e175b38a8..48a51d68f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Overview of changes leading to 1.4.4
+Sunday, March 5, 2017
+====================================
+
+- Fix Context lookup application when moving back after a glyph deletion.
+- Fix buffer-overrun in Bengali.
+
+
 Overview of changes leading to 1.4.3
 Saturday, February 25, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index a3eb0f021..55b48a53b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.3],
+        [1.4.4],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 3c080a7a0aefec1e9620e3fb399ad280ea4ee5a2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 7 Mar 2017 18:13:28 -0800
Subject: [PATCH 0277/1326] Fix buffer serialize of empty buffer

Ouch!
---
 src/hb-buffer-serialize.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-buffer-serialize.cc b/src/hb-buffer-serialize.cc
index 63a0f3466..85696c589 100644
--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@@ -311,6 +311,8 @@ hb_buffer_serialize_glyphs (hb_buffer_t *buffer,
   if (!buf_consumed)
     buf_consumed = &sconsumed;
   *buf_consumed = 0;
+  if (buf_size)
+    *buf = '\0';
 
   assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) ||
 	  buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS);

From 47e7a1800fba9b8bf042a1f4976a15ab012ebfc7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 10 Mar 2017 13:23:02 -0800
Subject: [PATCH 0278/1326] Revert "Fix Context lookup application when moving
 back after a glyph delete"

This reverts commit b9b005f3a44ccf78a45b212b126287b69b9f4b40.

This introduced invalid access cases. Revert until I fix correctly.
---
 src/hb-ot-layout-gsubgpos-private.hh             |   7 ++++---
 .../5bbf3712e6f79775c66a4407837a90e591efbef2.ttf | Bin 6400 -> 0 bytes
 test/shaping/tests/context-matching.tests        |   1 -
 3 files changed, 4 insertions(+), 4 deletions(-)
 delete mode 100644 test/shaping/fonts/sha1sum/5bbf3712e6f79775c66a4407837a90e591efbef2.ttf

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 005ed21d8..f9fcec52b 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -1021,13 +1021,14 @@ static inline bool apply_lookup (hb_apply_context_t *c,
      */
 
     end += delta;
-    if (end < int (match_positions[idx]))
+    if (end <= int (match_positions[idx]))
     {
       /* End might end up being smaller than match_positions[idx] if the recursed
-       * lookup ended up removing too many items.
+       * lookup ended up removing many items, more than we have had matched.
        * Just never rewind end back and get out of here.
        * https://bugs.chromium.org/p/chromium/issues/detail?id=659496 */
       end = match_positions[idx];
+      /* There can't be any further changes. */
       break;
     }
 
@@ -1040,7 +1041,7 @@ static inline bool apply_lookup (hb_apply_context_t *c,
     }
     else
     {
-      /* NOTE: delta is non-positive. */
+      /* NOTE: delta is negative. */
       delta = MAX (delta, (int) next - (int) count);
       next -= delta;
     }
diff --git a/test/shaping/fonts/sha1sum/5bbf3712e6f79775c66a4407837a90e591efbef2.ttf b/test/shaping/fonts/sha1sum/5bbf3712e6f79775c66a4407837a90e591efbef2.ttf
deleted file mode 100644
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GIT binary patch
literal 0
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zlO^E4zcSzKN>KdDzFKbaTKw}@DS-c{b}kRF^Z%mUn%}S5{%Ze(LG_ox*%<|D%?C3P
zpf<c;*u?;x6I?-Uf4?1yg+N$Pzi2G`wR+ItaR3LO+@LBg3jQ#-tY-o$?g#Qee;#n4
zc6QFLfCdV;;9vj{5~6ot1qxs&s97HZv-b<jpwbTT{d&D3sE6;b;Ml<&Pz^sg7y<1U
U3|I%yzvK@CY~SO3?+;e+U$2Zp=>Px#

diff --git a/test/shaping/tests/context-matching.tests b/test/shaping/tests/context-matching.tests
index 1711818c0..e20616e4c 100644
--- a/test/shaping/tests/context-matching.tests
+++ b/test/shaping/tests/context-matching.tests
@@ -1,4 +1,3 @@
 fonts/sha1sum/4cce528e99f600ed9c25a2b69e32eb94a03b4ae8.ttf::U+1A48,U+1A58,U+1A25,U+1A48,U+1A58,U+1A25,U+1A6E,U+1A63:[uni1A48=0+1212|uni1A25=0+1912|uni1A58=0+0|uni1A48=3+1212|uni1A6E=3+0|uni1A25=3+1912|uni1A58=3+0|uni1A63=3+1212]
 fonts/sha1sum/d629e7fedc0b350222d7987345fe61613fa3929a.ttf::U+0915,U+093F,U+0915,U+093F:[ivowelsign03deva=0+530|kadeva=0+1561|ivowelsign03deva=2+530|kadeva=2+1561]
 fonts/sha1sum/f499fbc23865022234775c43503bba2e63978fe1.ttf::U+09B0,U+09CD,U+09A5,U+09CD,U+09AF,U+09C0:[gid1=0+1320|gid13=0+523|gid18=0+545]
-fonts/sha1sum/5bbf3712e6f79775c66a4407837a90e591efbef2.ttf:--font-funcs=ot:U+1F1FA,U+1F1FC:[gid3=0+2550]

From 60e2586f7652aaa0ee908eb8f54b1498e2ad299e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 10 Mar 2017 23:02:28 -0800
Subject: [PATCH 0279/1326] 1.4.5

---
 NEWS         | 8 ++++++++
 configure.ac | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 48a51d68f..b878793af 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Overview of changes leading to 1.4.5
+Friday, March 10, 2017
+====================================
+
+- Revert "Fix Context lookup application when moving back after a glyph..."
+  This introduced memory access problems.  To be fixed properly soon.
+
+
 Overview of changes leading to 1.4.4
 Sunday, March 5, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 55b48a53b..91fbfd70b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.4],
+        [1.4.5],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From f0aa167e447e8aa818a63a4a325be57844bf0353 Mon Sep 17 00:00:00 2001
From: Chun-wei Fan <fanchunwei@src.gnome.org>
Date: Thu, 23 Feb 2017 13:02:49 +0800
Subject: [PATCH 0280/1326] Update Visual Studio builds for UCDN usage

We now use UCDN by default, so make it so in the build files; however
don't hardcode HAVE_UCDN as one may still opt not to use it (but pass
it in as a CFLAG unless one explicitly disables UCDN by using NO_UCDN=1
on the NMake command line).

Note that we are not blocking builds where UCDN is disabled along with
GLib and ICU, as that will trigger a build error anyways which will tell
the user what needs to be done to remedy this.
---
 win32/README.txt        |  6 +++---
 win32/config-msvc.mak   | 28 ++++++++++++++-------------
 win32/config.h.win32.in |  2 +-
 win32/info-msvc.mak     | 43 ++++++++++++++++++++++++-----------------
 4 files changed, 44 insertions(+), 35 deletions(-)

diff --git a/win32/README.txt b/win32/README.txt
index af0dc15c1..dc31e8b6d 100644
--- a/win32/README.txt
+++ b/win32/README.txt
@@ -36,7 +36,7 @@ PREFIX: Optional.  Base directory of where the third-party headers, libraries
 Explanation of options, set by <option>=1:
 ------------------------------------------
 GLIB: Enable GLib support in HarfBuzz, which also uses the GLib unicode
-      callback instead of the bundled UCDN unicode callback.  This requires the
+      callback if the bundled UCDN unicode callback is disabled.  This requires the
       GLib libraries, and is required for building all tool and test programs.
 
 GOBJECT: Enable building the HarfBuzz-GObject DLL, and thus implies GLib
@@ -63,7 +63,7 @@ CAIRO_FT: Enable the build of the hb-view tool, which makes use of Cairo, and
 
 GRAPHITE2: Enable the Graphite2 shaper, requires the SIL Graphite2 library.
 
-ICU: Enables the build of ICU Unicode functions. Requires the ICU libraries.
+ICU: Enables the build of ICU Unicode functions. Requires the ICU libraries.
 
 UNISCRIBE: Enable Uniscribe platform shaper support.
 
@@ -75,4 +75,4 @@ PYTHON: Full path to the Python interpretor to be used, if it is not in %PATH%.
 
 PERL: Full path to the PERL interpretor to be used, if it is not in %PATH%.
 
-LIBTOOL_DLL_NAME: Enable libtool-style DLL names.
\ No newline at end of file
+LIBTOOL_DLL_NAME: Enable libtool-style DLL names.
diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index 4cffaeacc..285ad1406 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -129,6 +129,16 @@ HB_HEADERS = $(HB_HEADERS) $(HB_GRAPHITE2_headers)
 HB_DEP_LIBS = $(HB_DEP_LIBS) $(GRAPHITE2_LIB)
 !endif
 
+# Always enable UCDN unless explicitly disabled
+!if "$(NO_UCDN)" != "1"
+HB_DEFINES = $(HB_DEFINES) /DHAVE_UCDN=1
+HB_CFLAGS =		\
+	$(HB_CFLAGS)		\
+	$(HB_UCDN_CFLAGS)
+
+HB_SOURCES = $(HB_SOURCES) $(LIBHB_UCDN_sources) $(HB_UCDN_sources)
+!endif
+
 # Enable GLib if desired
 !if "$(GLIB)" == "1"
 HB_DEFINES = $(HB_DEFINES) /DHAVE_GLIB=1
@@ -164,16 +174,12 @@ HB_TESTS = \
 	$(CFG)\$(PLAT)\test-unicode.exe				\
 	$(CFG)\$(PLAT)\test-version.exe
 
-!elseif "$(ICU)" == "1"
+!else
+!if "$(ICU)" == "1"
 # use ICU for Unicode functions
 # and define some of the macros in GLib's msvc_recommended_pragmas.h
 # to reduce some unneeded build-time warnings
 HB_DEFINES = $(HB_DEFINES) /DHAVE_ICU=1 /DHAVE_ICU_BUILTIN=1
-HB_CFLAGS =	\
-	$(HB_CFLAGS)					\
-	/wd4244							\
-	/D_CRT_SECURE_NO_WARNINGS		\
-	/D_CRT_NONSTDC_NO_WARNINGS
 
 # We don't want ICU to re-define int8_t in VS 2008, will cause build breakage
 # as we define it in hb-common.h, and we ought to use the definitions there.
@@ -186,18 +192,14 @@ HB_HEADERS = $(HB_HEADERS) $(HB_ICU_headers)
 HB_DEP_LIBS = $(HB_DEP_LIBS) $(HB_ICU_DEP_LIBS)
 !endif
 
-!if "$(UCDN)" != "0"
 # Define some of the macros in GLib's msvc_recommended_pragmas.h
 # to reduce some unneeded build-time warnings
-HB_DEFINES = $(HB_DEFINES) /DHAVE_UCDN=1
 HB_CFLAGS =	\
-	$(HB_CFLAGS)					\
-	$(HB_UCDN_CFLAGS)				\
-	/wd4244							\
-	/D_CRT_SECURE_NO_WARNINGS		\
+	$(HB_CFLAGS)			\
+	/wd4244				\
+	/D_CRT_SECURE_NO_WARNINGS	\
 	/D_CRT_NONSTDC_NO_WARNINGS
 
-HB_SOURCES = $(HB_SOURCES) $(LIBHB_UCDN_sources) $(HB_UCDN_sources)
 !endif
 
 !if "$(UNISCRIBE)" == "1"
diff --git a/win32/config.h.win32.in b/win32/config.h.win32.in
index d45cefb5e..435c1bb29 100644
--- a/win32/config.h.win32.in
+++ b/win32/config.h.win32.in
@@ -112,7 +112,7 @@
 #define HAVE_SYS_TYPES_H 1
 
 /* Have UCDN Unicode functions */
-#define HAVE_UCDN 1
+/* #undef HAVE_UCDN */
 
 /* Have Uniscribe library */
 /* #undef HAVE_UNISCRIBE */
diff --git a/win32/info-msvc.mak b/win32/info-msvc.mak
index 3ec11d4dc..9b92e0311 100644
--- a/win32/info-msvc.mak
+++ b/win32/info-msvc.mak
@@ -4,6 +4,9 @@ INC_FEATURES = Fallback OT
 BUILT_TOOLS =
 BUILT_LIBRARIES = HarfBuzz
 
+!if "$(NO_UCDN)" != "1"
+UNICODE_IMPL = ucdn
+!else
 !if "$(GLIB)" == "1"
 UNICODE_IMPL = GLib
 INC_FEATURES = $(INC_FEATURES) GLib
@@ -13,8 +16,7 @@ BUILT_TOOLS = hb-view.exe $(BUILT_TOOLS)
 !endif
 !elseif "$(ICU)" == "1"
 UNICODE_IMPL = ICU
-!else
-UNICODE_IMPL = ucdn
+!endif
 !endif
 
 !if "$(FREETYPE)" == "1"
@@ -79,18 +81,18 @@ help:
 	@echo.
 	@echo OPTION: Optional, may be any of the following, use OPTION=1 to enable;
 	@echo multiple OPTION's may be used.  If no OPTION is specified, a default
-	@echo HarfBuzz DLL is built with OpenType and fallback support
-	@echo with a bundled Unicode implementation (UCDN).
+	@echo HarfBuzz DLL is built with OpenType and support with a bundled
+	@echo Unicode implementation (UCDN).
 	@echo ======
-	@echo UNISCRIBE:
-	@echo Enable Uniscribe support.
+	@echo.
+	@echo CAIRO_FT:
+	@echo Enables Cairo-Freetype support, needed for the build of the hb-view utility.
+	@echo Implies FreeType2 support and also requires Cairo built with FreeType2
+	@echo support; GLib2 support must also be enabled.
 	@echo.
 	@echo DIRECTWRITE:
 	@echo Enable DirectWrite support, requires a recent enough Windows SDK.
 	@echo.
-	@echo GRAPHITE2:
-	@echo Enable graphite2 support, requires the SIL Graphite2 library
-	@echo.
 	@echo FREETYPE:
 	@echo Enable FreeType2 support, requires the FreeType2 library
 	@echo.
@@ -98,16 +100,19 @@ help:
 	@echo Enable GLib2 support, with GLib Unicode support, requires the GNOME GLib2
 	@echo library.  Enables the build of utility programs.
 	@echo.
-	@echo ICU:
-	@echo Enable build with ICU Unicode functions, requires the International
-	@echo Components for Unicode (ICU) libraries.
-	@echo.
 	@echo GOBJECT:
 	@echo Enable the HarfBuzz-GObject library, also implies GLib2 support,
 	@echo requires the GNOME GLib2 libraries and tools, notably the glib-mkenums
 	@echo tool script, which will require a PERL interpreter (use
 	@echo PERL=^$(PATH_TO_PERL_INTERPRETOR)) if it is not already in your PATH).
 	@echo.
+	@echo GRAPHITE2:
+	@echo Enable graphite2 support, requires the SIL Graphite2 library
+	@echo.
+	@echo ICU:
+	@echo Enable build with ICU Unicode functions, requires the International
+	@echo Components for Unicode (ICU) libraries.
+	@echo.
 	@echo INTROSPECTION:
 	@echo Enable the build of introspection files, also implies GObject/GLib2 support,
 	@echo requires the GNOME gobject-introspection libraries and tools.  You will need
@@ -117,15 +122,17 @@ help:
 	@echo ^$(PATH_TO_PYTHON_INTERPRETOR) respectively, if python.exe is not already
 	@echo in your PATH.
 	@echo.
-	@echo CAIRO_FT:
-	@echo Enables Cairo-Freetype support, needed for the build of the hb-view utility.
-	@echo Implies FreeType2 support and also requires Cairo built with FreeType2
-	@echo support; GLib2 support must also be enabled.
-	@echo.
 	@echo LIBTOOL_DLL_NAME:
 	@echo Use a libtool-style DLL name to mimic the DLL file naming generated by
 	@echo MinGW builds.
 	@echo.
+	@echo NO_UCDN:
+	@echo Do not use the bundled Unicode callback, which is the default.  GLib or
+	@echo ICU-based unicode callback is therefore required.
+	@echo
+	@echo UNISCRIBE:
+	@echo Enable Uniscribe support.
+	@echo.
 	@echo Note that GLib2 support is required for all utility and test programs.
 	@echo ======
 	@echo A 'clean' target is supported to remove all generated files, intermediate

From b90fb83ea6067802e62af9e1ea0c61c7ac79e9a9 Mon Sep 17 00:00:00 2001
From: Chun-wei Fan <fanchunwei@src.gnome.org>
Date: Fri, 24 Feb 2017 17:47:44 +0800
Subject: [PATCH 0281/1326] Visual Studio builds: Fix Introspection when UCDN
 enabled

The sources in src/hb-ucdn and not included correctly into the NMake
Makefiles, as we need their explicit relative location as we pass all the
sources we used into the introspection scanner.  This was not an issue
before as we excluded the UCDN sources in the build when we enabled
introspection (meaning GLib is enabled), but since we default on using
UCDN on all builds unless explicitly disabled, we need to deal with this.

This did not affect builds using UCDN without introspection due to the use
of NMake batch rules.

Fix this by creating a NMake Makefile module on-the-fly with the correct
subdir info, and using that list in there instead.
---
 win32/Makefile.vc     | 15 +++++++++++++++
 win32/config-msvc.mak |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/win32/Makefile.vc b/win32/Makefile.vc
index fdde7a7d4..05778ae54 100644
--- a/win32/Makefile.vc
+++ b/win32/Makefile.vc
@@ -14,6 +14,21 @@
 !include ..\src\hb-ucdn\Makefile.sources
 !include ..\util\Makefile.sources
 
+# We need to include the sources in ..\src\hb-ucdn indirectly
+!if [call create-lists.bat header hb_ucdn_srcs.mak hb_ucdn_SRCS]
+!endif
+
+!if [for %c in ($(LIBHB_UCDN_sources)) do @call create-lists.bat file hb_ucdn_srcs.mak hb-ucdn\%c]
+!endif
+
+!if [call create-lists.bat footer hb_ucdn_srcs.mak]
+!endif
+
+!include hb_ucdn_srcs.mak
+
+!if [del /f /q hb_ucdn_srcs.mak]
+!endif
+
 # Include the Makefile portion that enables features based on user input
 !include config-msvc.mak
 
diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index 285ad1406..dffdcb266 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -136,7 +136,7 @@ HB_CFLAGS =		\
 	$(HB_CFLAGS)		\
 	$(HB_UCDN_CFLAGS)
 
-HB_SOURCES = $(HB_SOURCES) $(LIBHB_UCDN_sources) $(HB_UCDN_sources)
+HB_SOURCES = $(HB_SOURCES) $(hb_ucdn_SRCS) $(HB_UCDN_sources)
 !endif
 
 # Enable GLib if desired

From 539571c1a9cb5d443d029247874af37fed75432f Mon Sep 17 00:00:00 2001
From: Chun-wei Fan <fanchunwei@src.gnome.org>
Date: Fri, 24 Feb 2017 17:58:25 +0800
Subject: [PATCH 0282/1326] src/hb-common.cc: Fix build on older Visual Studio

Visual Studio only supported strtof() from Visual Studio 2013 onwards, so
use strtod() instead to do the operation, which should do the same thing,
sans going to a double, not a float.
---
 src/hb-common.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 64e77d434..4c1a9a8d5 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -667,7 +667,11 @@ parse_float (const char **pp, const char *end, float *pv)
   float v;
 
   errno = 0;
+#if defined (_MSC_VER) && (_MSC_VER < 1800)
+  v = strtod (p, &pend);
+#else
   v = strtof (p, &pend);
+#endif
   if (errno || p == pend)
     return false;
 

From 91570a1eeb1eca425372e203656369f39ede5c61 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 22 Mar 2017 23:07:15 +0200
Subject: [PATCH 0283/1326] Just always use strtod here

---
 src/hb-common.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 4c1a9a8d5..16657303b 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -667,11 +667,7 @@ parse_float (const char **pp, const char *end, float *pv)
   float v;
 
   errno = 0;
-#if defined (_MSC_VER) && (_MSC_VER < 1800)
   v = strtod (p, &pend);
-#else
-  v = strtof (p, &pend);
-#endif
   if (errno || p == pend)
     return false;
 

From e693ba77980d5ded65bf773d48b6b58274933fb7 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Thu, 23 Mar 2017 00:35:36 +0200
Subject: [PATCH 0284/1326] [ci] Fix msys2 build on AppVeyor

For whatever reason the env variables need to be the Windows way or they
end up being empty.
---
 appveyor.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/appveyor.yml b/appveyor.yml
index 67f611494..a2867ca40 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -46,7 +46,7 @@ build_script:
   - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 install' # FREETYPE=1 install'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
-  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=$MINGW_CHOST --host=$MINGW_CHOST --prefix=$MINGW_PREFIX; make; make check"'
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check"'
 
 # disable automatic tests
 test: off

From edcf6344bc62af9ea726a633468c9243e127fa13 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 24 Mar 2017 10:24:52 -0700
Subject: [PATCH 0285/1326] Blacklist more versions of Padauk

Patch from Phil Race.
---
 src/hb-ot-layout.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index e78e1524e..f8a04a95f 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -125,6 +125,14 @@ _hb_ot_layout_create (hb_face_t *face)
       /* 2c0c90c6f6087ffbfea76589c93113a9cbb0e75f  cantarell-fonts-0.0.21/otf/Cantarell-Bold.otf */
       /* 55461f5b853c6da88069ffcdf7f4dd3f8d7e3e6b  cantarell-fonts-0.0.21/otf/Cantarell-Bold-Oblique.otf */
       || (188 == gdef_len && 3426 == gpos_len && 264 == gsub_len)
+      /* d125afa82a77a6475ac0e74e7c207914af84b37a padauk-2.80/Padauk.ttf RHEL 7.2 */
+      || (1058 == gdef_len && 11818 == gpos_len && 47032 == gsub_len)
+      /* 0f7b80437227b90a577cc078c0216160ae61b031 padauk-2.80/Padauk-Bold.ttf RHEL 7.2*/
+      || (1046 == gdef_len && 12600 == gpos_len && 47030 == gsub_len)
+      /* d3dde9aa0a6b7f8f6a89ef1002e9aaa11b882290 padauk-2.80/Padauk.ttf Ubuntu 16.04 */
+      || (1058 == gdef_len && 16770 == gpos_len && 71796 == gsub_len)
+      /* 5f3c98ccccae8a953be2d122c1b3a77fd805093f padauk-2.80/Padauk-Bold.ttf Ubuntu 16.04 */
+      || (1046 == gdef_len && 17862 == gpos_len && 71790 == gsub_len)
       /* 6c93b63b64e8b2c93f5e824e78caca555dc887c7 padauk-2.80/Padauk-book.ttf */
       || (1046 == gdef_len && 17112 == gpos_len && 71788 == gsub_len)
       /* d89b1664058359b8ec82e35d3531931125991fb9 padauk-2.80/Padauk-bookbold.ttf */

From f2e6c7ce51283809033d08692a2dee7cf04aefc5 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Sun, 26 Mar 2017 10:48:53 +0200
Subject: [PATCH 0286/1326] [tools] Make hb-unicode-code work with Python 3

Related to https://github.com/behdad/harfbuzz/pull/445
---
 test/shaping/hb_test_tools.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/test/shaping/hb_test_tools.py b/test/shaping/hb_test_tools.py
index 747398299..052974dee 100644
--- a/test/shaping/hb_test_tools.py
+++ b/test/shaping/hb_test_tools.py
@@ -46,6 +46,17 @@ try:
 except NameError:
 	unichr = chr
 
+try:
+	unicode = unicode
+except NameError:
+	unicode = str
+
+def tounicode(s, encoding='ascii', errors='strict'):
+	if not isinstance(s, unicode):
+		return s.decode(encoding, errors)
+	else:
+		return s
+
 class ColorFormatter:
 
 	class Null:
@@ -445,7 +456,7 @@ class Unicode:
 
 	@staticmethod
 	def decode (s):
-		return u','.join ("U+%04X" % ord (u) for u in unicode (s, 'utf-8')).encode ('utf-8')
+		return u','.join ("U+%04X" % ord (u) for u in tounicode (s, 'utf-8'))
 
 	@staticmethod
 	def parse (s):

From c2a9de15f5d9477c6f1c143ed8265f71fdb04584 Mon Sep 17 00:00:00 2001
From: Dominik Schloesser <dsc@dosc.net>
Date: Sun, 26 Mar 2017 09:21:13 +0200
Subject: [PATCH 0287/1326] Updated samples: record-it.sh is now record-test.sh

---
 test/shaping/README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/shaping/README.md b/test/shaping/README.md
index bf0990942..a581a3435 100644
--- a/test/shaping/README.md
+++ b/test/shaping/README.md
@@ -14,7 +14,7 @@ FontTools from <https://github.com/behdad/fonttools>.
 
 To use `record-test.sh`, just put it right before the `hb-shape` invocation:
 ```sh
-$ ./hb-unicode-encode 41 42 43 627 | ./record-it.sh ../../util/hb-shape font.ttf
+$ ./hb-unicode-encode 41 42 43 627 | ./record-test.sh ../../util/hb-shape font.ttf
 ```
 what this does is:
   * Subset the font for the sequence of Unicode characters requested,
@@ -27,7 +27,7 @@ what this does is:
     and prints out the test case input, which you can then redirect to
     an existing or new test file in `tests`, eg.:
 ```sh
-$ ./hb-unicode-encode 41 42 43 627 | ./record-it.sh ../../util/hb-shape font.ttf >> tests/test-name.test
+$ ./hb-unicode-encode 41 42 43 627 | ./record-test.sh ../../util/hb-shape font.ttf >> tests/test-name.test
 ```
 
 If you created a new test file, add it to `Makefile.am` so it is run.

From 8d256841ca7462fd596329abf6f71bafb56fd621 Mon Sep 17 00:00:00 2001
From: Dominik Schloesser <dsc@dosc.net>
Date: Sun, 26 Mar 2017 09:22:34 +0200
Subject: [PATCH 0288/1326] Current fonttools (3.9.1) generate subset-file
 called font.subset.ttf instead of older font.ttf.subset

---
 test/shaping/record-test.sh | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/test/shaping/record-test.sh b/test/shaping/record-test.sh
index b2a74f7b0..cf17c5424 100755
--- a/test/shaping/record-test.sh
+++ b/test/shaping/record-test.sh
@@ -48,20 +48,20 @@ pyftsubset \
 	--no-hinting \
 	"$dir/font.ttf" \
 	--text="$text"
-if ! test -s "$dir/font.ttf.subset"; then
-	echo "Subsetter didn't produce nonempty subset font in $dir/font.ttf.subset" >&2
+if ! test -s "$dir/font.subset.ttf"; then
+	echo "Subsetter didn't produce nonempty subset font in $dir/font.subset.ttf" >&2
 	exit 2
 fi
 
 # Verify that subset font produces same glyphs!
-glyphs_subset=`echo "$text" | $hb_shape $options "$dir/font.ttf.subset"`
+glyphs_subset=`echo "$text" | $hb_shape $options "$dir/font.subset.ttf"`
 
 if ! test "x$glyphs" = "x$glyphs_subset"; then
 	echo "Subset font produced different glyphs!" >&2
 	echo "Perhaps font doesn't have glyph names; checking visually..." >&2
 	hb_view=${hb_shape/shape/view}
 	echo "$text" | $hb_view $options "$dir/font.ttf" --output-format=png --output-file="$dir/orig.png"
-	echo "$text" | $hb_view $options "$dir/font.ttf.subset" --output-format=png --output-file="$dir/subset.png"
+	echo "$text" | $hb_view $options "$dir/font.subset.ttf" --output-format=png --output-file="$dir/subset.png"
 	if ! cmp "$dir/orig.png" "$dir/subset.png"; then
 		echo "Images differ.  Please inspect $dir/*.png." >&2
 		echo "$glyphs"
@@ -74,9 +74,9 @@ if ! test "x$glyphs" = "x$glyphs_subset"; then
 	glyphs=$glyphs_subset
 fi
 
-sha1sum=`sha1sum "$dir/font.ttf.subset" | cut -d' ' -f1`
+sha1sum=`sha1sum "$dir/font.subset.ttf" | cut -d' ' -f1`
 subset="fonts/sha1sum/$sha1sum.ttf"
-mv "$dir/font.ttf.subset" "$subset"
+mv "$dir/font.subset.ttf" "$subset"
 
 # There ought to be an easier way to do this, but it escapes me...
 unicodes_file=`mktemp`

From 740fdbcd0e6d25c1d6f12537ca2aa559650b9d52 Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Mon, 3 Apr 2017 12:22:39 +0100
Subject: [PATCH 0289/1326] avoid UBSan warning in get_stage_lookups (#450)

See https://bugzilla.mozilla.org/show_bug.cgi?id=1336600
---
 src/hb-ot-map-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index 0395c9c22..b69e5344c 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -113,7 +113,7 @@ struct hb_ot_map_t
     assert (stage <= stages[table_index].len);
     unsigned int start = stage ? stages[table_index][stage - 1].last_lookup : 0;
     unsigned int end   = stage < stages[table_index].len ? stages[table_index][stage].last_lookup : lookups[table_index].len;
-    *plookups = &lookups[table_index][start];
+    *plookups = end == start ? NULL : &lookups[table_index][start];
     *lookup_count = end - start;
   }
 

From 7d64c0ef37dd930e9807bd80d398491aa9c4428c Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Tue, 4 Apr 2017 15:03:51 +0430
Subject: [PATCH 0290/1326] Add CMake build support (#444)

---
 CMakeLists.txt | 254 +++++++++++++++++++++++++++++++++++++++++++++++++
 Makefile.am    |   1 +
 appveyor.yml   |  61 ++++++++----
 3 files changed, 295 insertions(+), 21 deletions(-)
 create mode 100644 CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 000000000..d12b2ad94
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,254 @@
+cmake_minimum_required(VERSION 2.8.0)
+project(harfbuzz)
+
+## Disallow in-source builds
+if ("${PROJECT_BINARY_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
+  message(FATAL_ERROR
+    "
+In-source builds are not permitted!  Make a separate folder for"
+    " building, e.g.,"
+    "
+  mkdir build; cd build; cmake .."
+    "
+Before that, remove the files created by this failed run with"
+    "
+  rm -rf CMakeCache.txt CMakeFiles")
+endif ()
+##
+
+## HarfBuzz build configurations
+option(HB_HAVE_FREETYPE "Use FreeType" OFF)
+option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper on Windows" OFF)
+option(HB_HAVE_DIRECWRITE "Enable DirectWrite shaper on Windows" OFF)
+option(HB_HAVE_CORETEXT "Enable CoreText shaper on macOS" ON)
+option(HB_BUILTIN_UCDN "Use HarfBuzz provided UCDN" ON)
+
+include_directories(AFTER
+  ${CMAKE_CURRENT_SOURCE_DIR}/src
+  ${PROJECT_BINARY_DIR}/src
+  )
+
+# feel free to discuss these or more with the maintainers
+add_definitions(-DHAVE_OT)
+add_definitions(-DHB_NO_MT)
+add_definitions(-DHB_DISABLE_DEPRECATED)
+
+if (BUILD_SHARED_LIBS)
+  add_definitions(-DHAVE_ATEXIT)
+endif ()
+
+if (MSVC)
+  add_definitions(-wd4244 -wd4267 -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)
+endif ()
+
+if (WIN32 AND NOT MINGW AND BUILD_SHARED_LIBS)
+  add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")
+endif ()
+##
+
+set(IN_HB_DIST FALSE)
+if (EXISTS "${PROJECT_SOURCE_DIR}/src/hb-version.h")
+  # perhaps we are on dist directory
+  set(IN_HB_DIST TRUE)
+  set(HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
+endif ()
+
+if (NOT IN_HB_DIST)
+  ## execute ragel tasks
+  find_program(RAGEL "ragel")
+
+  if (RAGEL)
+    message(STATUS "ragel found at: ${RAGEL}")
+  else (RAGEL)
+    message(FATAL_ERROR "ragel not found, get it here -- http://www.complang.org/ragel/")
+  endif (RAGEL)
+
+  function (ragel_preproc src_dir src_sans_rl out_sfx)
+    add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/src/${src_sans_rl}${out_sfx}
+      COMMAND ${RAGEL} -G2 -o ${PROJECT_BINARY_DIR}/src/${src_sans_rl}${out_sfx} ${CMAKE_CURRENT_SOURCE_DIR}/${src_dir}/${src_sans_rl}.rl -I ${CMAKE_CURRENT_SOURCE_DIR} ${ARGN}
+      DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${src_dir}/${src_sans_rl}.rl
+      )
+    add_custom_target(harfbuzz_${src_sans_rl} DEPENDS ${PROJECT_BINARY_DIR}/src/${src_sans_rl})
+  endfunction(ragel_preproc)
+
+  ragel_preproc(src hb-buffer-deserialize-json .hh)
+  ragel_preproc(src hb-buffer-deserialize-text .hh)
+  ragel_preproc(src hb-ot-shape-complex-indic-machine .hh)
+  ragel_preproc(src hb-ot-shape-complex-myanmar-machine .hh)
+  ragel_preproc(src hb-ot-shape-complex-use-machine .hh)
+  ##
+
+  ## Generate hb-version.h
+  file(READ configure.ac CONFIGUREAC)
+  string(REGEX MATCH "\\[(([0-9]+)\\.([0-9]+)\\.([0-9]+))\\]" HB_VERSION_MATCH ${CONFIGUREAC})
+  set(HB_VERSION ${CMAKE_MATCH_1})
+  set(HB_VERSION_MAJOR ${CMAKE_MATCH_2})
+  set(HB_VERSION_MINOR ${CMAKE_MATCH_3})
+  set(HB_VERSION_MICRO ${CMAKE_MATCH_4})
+
+  set(HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")
+  set(HB_VERSION_H "${PROJECT_BINARY_DIR}/src/hb-version.h")
+  set_source_files_properties("${HB_VERSION_H}" PROPERTIES GENERATED true)
+  configure_file("${HB_VERSION_H_IN}" "${HB_VERSION_H}.tmp" @ONLY)
+  execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different
+    "${HB_VERSION_H}.tmp"
+    "${HB_VERSION_H}")
+  file(REMOVE "${HB_VERSION_H}.tmp")
+  ##
+endif ()
+
+## Extract variables from src/Makefile.sources
+file(READ src/Makefile.sources MAKEFILESOURCES)
+function (extract_make_variable variable)
+  string(REGEX MATCH "${variable} = ([^$]+)" temp ${MAKEFILESOURCES})
+  if (NOT IN_HB_DIST)
+    # these should be built first and will be added from a different path
+    string(REPLACE "hb-buffer-deserialize-json.hh" "" temp ${temp})
+    string(REPLACE "hb-buffer-deserialize-text.hh" "" temp ${temp})
+    string(REPLACE "hb-ot-shape-complex-indic-machine.hh" "" temp ${temp})
+    string(REPLACE "hb-ot-shape-complex-myanmar-machine.hh" "" temp ${temp})
+    string(REPLACE "hb-ot-shape-complex-use-machine.hh" "" temp ${temp})
+  endif ()
+  string(REGEX REPLACE "\thb" "src/hb" temp ${temp})
+  string(REGEX MATCHALL "src/[^ ]+" temp ${temp})
+  set(${variable} ${temp} PARENT_SCOPE)
+endfunction(extract_make_variable)
+
+extract_make_variable(HB_BASE_sources)
+extract_make_variable(HB_BASE_headers)
+extract_make_variable(HB_OT_sources)
+extract_make_variable(HB_OT_headers)
+##
+
+## Define source and headers of projects
+if (NOT IN_HB_DIST)
+  set(project_sources
+    ${project_sources}
+
+    ${PROJECT_BINARY_DIR}/src/hb-buffer-deserialize-json.hh
+    ${PROJECT_BINARY_DIR}/src/hb-buffer-deserialize-text.hh
+    ${PROJECT_BINARY_DIR}/src/hb-ot-shape-complex-indic-machine.hh
+    ${PROJECT_BINARY_DIR}/src/hb-ot-shape-complex-myanmar-machine.hh
+    ${PROJECT_BINARY_DIR}/src/hb-ot-shape-complex-use-machine.hh
+    )
+endif ()
+
+set(project_headers
+  ${HB_VERSION_H}
+
+  ${HB_BASE_headers}
+  ${HB_OT_headers}
+  )
+
+set(project_sources
+  ${project_sources}
+
+  ${HB_BASE_sources}
+  ${HB_OT_sources}
+  )
+
+if (HB_HAVE_FREETYPE)
+  set(FREETYPE_DIR "$ENV{FREETYPE_DIR}"
+    CACHE PATH "root path for freetype lib/ and include/ folders"
+    )
+  find_path(FREETYPE_INCLUDE_DIR
+    ft2build.h freetype2/freetype/freetype.h
+    PATHS ${FREETYPE_DIR}/include
+    )
+
+  if (CMAKE_BUILD_TYPE MATCHES Debug)
+    find_library(FREETYPE_DEBUG_LIBRARY freetyped)
+    set(FREETYPE_ACTUAL_LIBRARY ${FREETYPE_DEBUG_LIBRARY})
+  else ()
+    find_library(FREETYPE_LIBRARY
+      freetype libfreetype
+      PATHS ${FREETYPE_DIR}/lib
+      DOC "freetype library"
+      )
+    set(FREETYPE_ACTUAL_LIBRARY ${FREETYPE_LIBRARY})
+  endif ()
+
+  if (FREETYPE_INCLUDE_DIR)
+    include_directories(AFTER ${FREETYPE_INCLUDE_DIR} ${FREETYPE_INCLUDE_DIR}/freetype2)
+  endif ()
+
+  if (FREETYPE_INCLUDE_DIR AND FREETYPE_ACTUAL_LIBRARY)
+    set (THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} ${FREETYPE_ACTUAL_LIBRARY})
+    add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)
+  endif ()
+
+  set(project_headers ${project_headers} src/hb-ft.h)
+
+  set(project_sources ${project_sources} src/hb-ft.cc)
+endif ()
+
+if (HB_BUILTIN_UCDN)
+  include_directories(src/hb-ucdn)
+  add_definitions(-DHAVE_UCDN)
+
+  set(project_headers ${project_headers} src/hb-ucdn/ucdn.h)
+
+  set(project_sources
+    ${project_sources}
+
+    src/hb-ucdn.cc
+    src/hb-ucdn/ucdn.c
+    src/hb-ucdn/unicodedata_db.h)
+else ()
+  add_definitions(-DHB_NO_UNICODE_FUNCS)
+endif ()
+
+if (APPLE AND HB_HAVE_CORETEXT)
+  # Apple Advanced Typography
+  add_definitions(-DHAVE_CORETEXT)
+
+  set(project_headers ${project_headers} src/hb-coretext.h)
+
+  set(project_sources ${project_sources} src/hb-coretext.cc)
+
+  find_library(APPLICATION_SERVICES_FRAMEWORK ApplicationServices)
+  mark_as_advanced(APPLICATION_SERVICES_FRAMEWORK)
+  if (APPLICATION_SERVICES_FRAMEWORK)
+    set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} ${APPLICATION_SERVICES_FRAMEWORK})
+  endif (APPLICATION_SERVICES_FRAMEWORK)
+endif ()
+
+if (WIN32 AND HB_HAVE_UNISCRIBE)
+  add_definitions(-DHAVE_UNISCRIBE)
+
+  set(project_headers ${project_headers} src/hb-uniscribe.h)
+
+  set(project_sources ${project_sources} src/hb-uniscribe.cc)
+
+  set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} usp10 gdi32 rpcrt4)
+endif ()
+
+if (WIN32 AND HB_HAVE_DIRECTWRITE)
+  add_definitions(-DHAVE_DIRECTWRITE)
+
+  set(project_headers ${project_headers} src/hb-directwrite.h)
+
+  set(project_sources ${project_sources} src/hb-directwrite.cc)
+
+  set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} dwrite rpcrt4)
+endif ()
+
+set(project_sources ${project_sources} ${project_headers})
+##
+
+add_library(harfbuzz ${project_sources})
+target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
+
+## Install
+if (NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
+  install(FILES ${project_headers} DESTINATION include/harfbuzz)
+endif ()
+
+if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
+  install(TARGETS harfbuzz
+    ARCHIVE DESTINATION lib
+    LIBRARY DESTINATION lib
+    RUNTIME DESTINATION bin
+    )
+endif ()
+##
\ No newline at end of file
diff --git a/Makefile.am b/Makefile.am
index 8dc8a4b93..1d8f2e7c7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,6 +11,7 @@ EXTRA_DIST = \
 	harfbuzz.doap \
 	README.python \
 	BUILD.md \
+	CMakeLists.txt \
 	$(NULL)
 
 MAINTAINERCLEANFILES = \
diff --git a/appveyor.yml b/appveyor.yml
index a2867ca40..05a371a69 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,22 +2,35 @@ platform: x64
 
 environment:
   matrix:
-    - compiler: msvc
-      ARCH: amd64
-      VCPKG_ARCH: x64-windows
-      CFG: release
-    - compiler: msvc
-      ARCH: x86
-      VCPKG_ARCH: x86-windows
-      CFG: release
-    - compiler: msvc
+    - compiler: cmake
+      generator: Visual Studio 14
+      platform: Win32
+      configuration: Debug
+    - compiler: cmake
+      generator: Visual Studio 14 Win64
+      platform: x64
+      configuration: Debug
+    - compiler: cmake
+      generator: Visual Studio 14 ARM
+      platform: ARM
+      configuration: Debug
+
+    - compiler: nmake
       ARCH: amd64
       VCPKG_ARCH: x64-windows
       CFG: debug
-    - compiler: msvc
+    - compiler: nmake
       ARCH: x86
       VCPKG_ARCH: x86-windows
       CFG: debug
+#    - compiler: nmake
+#      ARCH: amd64
+#      VCPKG_ARCH: x64-windows
+#      CFG: release
+#    - compiler: nmake
+#      ARCH: x86
+#      VCPKG_ARCH: x86-windows
+#      CFG: release
 
     - compiler: msys2
       MINGW_PREFIX: /c/msys2/mingw64/
@@ -31,19 +44,25 @@ environment:
 install:
   - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-ragel"
 
-  - 'if "%compiler%"=="msvc" call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
-#  - 'if "%compiler%"=="msvc" git clone https://github.com/Microsoft/vcpkg'
-#  - 'if "%compiler%"=="msvc" cd vcpkg'
-#  - 'if "%compiler%"=="msvc" powershell -exec bypass scripts\bootstrap.ps1'
-#  - 'if "%compiler%"=="msvc" vcpkg install freetype:%VCPKG_ARCH%'
-#  - 'if "%compiler%"=="msvc" copy installed\%VCPKG_ARCH%\debug\lib\freetyped.lib installed\%VCPKG_ARCH%\lib'
-#  - 'if "%compiler%"=="msvc" cd ..'
+  - 'if "%compiler%"=="nmake" call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
+#  - 'if "%compiler%"=="nmake" git clone https://github.com/Microsoft/vcpkg'
+#  - 'if "%compiler%"=="nmake" cd vcpkg'
+#  - 'if "%compiler%"=="nmake" powershell -exec bypass scripts\bootstrap.ps1'
+#  - 'if "%compiler%"=="nmake" vcpkg install freetype:%VCPKG_ARCH%'
+#  - 'if "%compiler%"=="nmake" copy installed\%VCPKG_ARCH%\debug\lib\freetyped.lib installed\%VCPKG_ARCH%\lib'
+#  - 'if "%compiler%"=="nmake" cd ..'
 
 build_script:
-  - 'if "%compiler%"=="msvc" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
-  - 'if "%compiler%"=="msvc" cd harfbuzz-*\win32'
-  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1' # FREETYPE=1 FREETYPE_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\include ADDITIONAL_LIB_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\lib'
-  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 install' # FREETYPE=1 install'
+  - 'if "%compiler%"=="cmake" md build'
+  - 'if "%compiler%"=="cmake" cd build'
+  - 'if "%compiler%"=="cmake" set PATH=%PATH%;C:\Program Files (x86)\MSBuild\14.0\Bin;c:\msys64\mingw64\bin' # msys2 is added just for having "ragel" on PATH
+  - 'if "%compiler%"=="cmake" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -G "%generator%" ../'
+  - 'if "%compiler%"=="cmake" msbuild harfbuzz.sln /p:Configuration=%configuration% /p:Platform=%platform%'
+
+  - 'if "%compiler%"=="nmake" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
+  - 'if "%compiler%"=="nmake" cd harfbuzz-*\win32'
+  - 'if "%compiler%"=="nmake" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1' # FREETYPE=1 FREETYPE_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\include ADDITIONAL_LIB_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\lib'
+  - 'if "%compiler%"=="nmake" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 install' # FREETYPE=1 install'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check"'

From d2acaf6d729727f47c5aacf7ee40097580b6f18d Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 5 Apr 2017 02:21:23 -0700
Subject: [PATCH 0291/1326] Split ragel generated files lists and remove
 hardcoded rl files lists (#453)

---
 CMakeLists.txt        | 126 ++++++++++++++++++------------------------
 src/Makefile.am       |   2 +
 src/Makefile.sources  |  16 ++++--
 win32/config-msvc.mak |   8 ++-
 4 files changed, 71 insertions(+), 81 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d12b2ad94..111066c3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@ option(HB_HAVE_CORETEXT "Enable CoreText shaper on macOS" ON)
 option(HB_BUILTIN_UCDN "Use HarfBuzz provided UCDN" ON)
 
 include_directories(AFTER
-  ${CMAKE_CURRENT_SOURCE_DIR}/src
+  ${PROJECT_SOURCE_DIR}/src
   ${PROJECT_BINARY_DIR}/src
   )
 
@@ -53,29 +53,47 @@ if (EXISTS "${PROJECT_SOURCE_DIR}/src/hb-version.h")
   set(HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
 endif ()
 
+## Extract variables from src/Makefile.sources
+file(READ ${PROJECT_SOURCE_DIR}/src/Makefile.sources MAKEFILESOURCES)
+function (extract_make_variable variable directory)
+  string(REGEX MATCH "${variable} = ([^$]+)" temp ${MAKEFILESOURCES})
+  string(REGEX REPLACE "\thb" "${directory}/hb" temp ${temp})
+  string(REGEX MATCHALL "src/[^ ]+" temp ${temp})
+  set(${variable} ${temp} PARENT_SCOPE)
+endfunction ()
+
+extract_make_variable(HB_BASE_sources "${PROJECT_SOURCE_DIR}/src")
+extract_make_variable(HB_BASE_headers "${PROJECT_SOURCE_DIR}/src")
+extract_make_variable(HB_OT_sources "${PROJECT_SOURCE_DIR}/src")
+extract_make_variable(HB_OT_headers "${PROJECT_SOURCE_DIR}/src")
+if (IN_HB_DIST)
+  extract_make_variable(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src")
+  extract_make_variable(HB_OT_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src")
+else ()
+  extract_make_variable(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src")
+  extract_make_variable(HB_OT_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src")
+endif ()
+##
+
 if (NOT IN_HB_DIST)
   ## execute ragel tasks
   find_program(RAGEL "ragel")
 
   if (RAGEL)
     message(STATUS "ragel found at: ${RAGEL}")
-  else (RAGEL)
+  else ()
     message(FATAL_ERROR "ragel not found, get it here -- http://www.complang.org/ragel/")
-  endif (RAGEL)
+  endif ()
 
-  function (ragel_preproc src_dir src_sans_rl out_sfx)
-    add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/src/${src_sans_rl}${out_sfx}
-      COMMAND ${RAGEL} -G2 -o ${PROJECT_BINARY_DIR}/src/${src_sans_rl}${out_sfx} ${CMAKE_CURRENT_SOURCE_DIR}/${src_dir}/${src_sans_rl}.rl -I ${CMAKE_CURRENT_SOURCE_DIR} ${ARGN}
-      DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${src_dir}/${src_sans_rl}.rl
+  foreach (ragel_output IN ITEMS ${HB_BASE_RAGEL_GENERATED_sources} ${HB_OT_RAGEL_GENERATED_sources})
+    string(REGEX MATCH "([^/]+)\\.hh" temp ${ragel_output})
+    set(target_name ${CMAKE_MATCH_1})
+    add_custom_command(OUTPUT ${ragel_output}
+      COMMAND ${RAGEL} -G2 -o ${ragel_output} ${PROJECT_SOURCE_DIR}/src/${target_name}.rl -I ${PROJECT_SOURCE_DIR} ${ARGN}
+      DEPENDS ${PROJECT_SOURCE_DIR}/src/${target_name}.rl
       )
-    add_custom_target(harfbuzz_${src_sans_rl} DEPENDS ${PROJECT_BINARY_DIR}/src/${src_sans_rl})
-  endfunction(ragel_preproc)
-
-  ragel_preproc(src hb-buffer-deserialize-json .hh)
-  ragel_preproc(src hb-buffer-deserialize-text .hh)
-  ragel_preproc(src hb-ot-shape-complex-indic-machine .hh)
-  ragel_preproc(src hb-ot-shape-complex-myanmar-machine .hh)
-  ragel_preproc(src hb-ot-shape-complex-use-machine .hh)
+    add_custom_target(harfbuzz_${target_name} DEPENDS ${PROJECT_BINARY_DIR}/src/${target_name})
+  endforeach ()
   ##
 
   ## Generate hb-version.h
@@ -97,41 +115,14 @@ if (NOT IN_HB_DIST)
   ##
 endif ()
 
-## Extract variables from src/Makefile.sources
-file(READ src/Makefile.sources MAKEFILESOURCES)
-function (extract_make_variable variable)
-  string(REGEX MATCH "${variable} = ([^$]+)" temp ${MAKEFILESOURCES})
-  if (NOT IN_HB_DIST)
-    # these should be built first and will be added from a different path
-    string(REPLACE "hb-buffer-deserialize-json.hh" "" temp ${temp})
-    string(REPLACE "hb-buffer-deserialize-text.hh" "" temp ${temp})
-    string(REPLACE "hb-ot-shape-complex-indic-machine.hh" "" temp ${temp})
-    string(REPLACE "hb-ot-shape-complex-myanmar-machine.hh" "" temp ${temp})
-    string(REPLACE "hb-ot-shape-complex-use-machine.hh" "" temp ${temp})
-  endif ()
-  string(REGEX REPLACE "\thb" "src/hb" temp ${temp})
-  string(REGEX MATCHALL "src/[^ ]+" temp ${temp})
-  set(${variable} ${temp} PARENT_SCOPE)
-endfunction(extract_make_variable)
-
-extract_make_variable(HB_BASE_sources)
-extract_make_variable(HB_BASE_headers)
-extract_make_variable(HB_OT_sources)
-extract_make_variable(HB_OT_headers)
-##
-
 ## Define source and headers of projects
-if (NOT IN_HB_DIST)
-  set(project_sources
-    ${project_sources}
+set(project_sources
+  ${HB_BASE_sources}
+  ${HB_BASE_RAGEL_GENERATED_sources}
 
-    ${PROJECT_BINARY_DIR}/src/hb-buffer-deserialize-json.hh
-    ${PROJECT_BINARY_DIR}/src/hb-buffer-deserialize-text.hh
-    ${PROJECT_BINARY_DIR}/src/hb-ot-shape-complex-indic-machine.hh
-    ${PROJECT_BINARY_DIR}/src/hb-ot-shape-complex-myanmar-machine.hh
-    ${PROJECT_BINARY_DIR}/src/hb-ot-shape-complex-use-machine.hh
-    )
-endif ()
+  ${HB_OT_sources}
+  ${HB_OT_RAGEL_GENERATED_sources}
+  )
 
 set(project_headers
   ${HB_VERSION_H}
@@ -140,13 +131,6 @@ set(project_headers
   ${HB_OT_headers}
   )
 
-set(project_sources
-  ${project_sources}
-
-  ${HB_BASE_sources}
-  ${HB_OT_sources}
-  )
-
 if (HB_HAVE_FREETYPE)
   set(FREETYPE_DIR "$ENV{FREETYPE_DIR}"
     CACHE PATH "root path for freetype lib/ and include/ folders"
@@ -173,27 +157,26 @@ if (HB_HAVE_FREETYPE)
   endif ()
 
   if (FREETYPE_INCLUDE_DIR AND FREETYPE_ACTUAL_LIBRARY)
-    set (THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} ${FREETYPE_ACTUAL_LIBRARY})
+    set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} ${FREETYPE_ACTUAL_LIBRARY})
     add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)
   endif ()
 
-  set(project_headers ${project_headers} src/hb-ft.h)
-
-  set(project_sources ${project_sources} src/hb-ft.cc)
+  set(project_sources ${project_sources} ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
+  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
 endif ()
 
 if (HB_BUILTIN_UCDN)
   include_directories(src/hb-ucdn)
   add_definitions(-DHAVE_UCDN)
 
-  set(project_headers ${project_headers} src/hb-ucdn/ucdn.h)
+  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-ucdn/ucdn.h)
 
   set(project_sources
     ${project_sources}
 
-    src/hb-ucdn.cc
-    src/hb-ucdn/ucdn.c
-    src/hb-ucdn/unicodedata_db.h)
+    ${PROJECT_SOURCE_DIR}/src/hb-ucdn.cc
+    ${PROJECT_SOURCE_DIR}/src/hb-ucdn/ucdn.c
+    ${PROJECT_SOURCE_DIR}/src/hb-ucdn/unicodedata_db.h)
 else ()
   add_definitions(-DHB_NO_UNICODE_FUNCS)
 endif ()
@@ -202,9 +185,8 @@ if (APPLE AND HB_HAVE_CORETEXT)
   # Apple Advanced Typography
   add_definitions(-DHAVE_CORETEXT)
 
-  set(project_headers ${project_headers} src/hb-coretext.h)
-
-  set(project_sources ${project_sources} src/hb-coretext.cc)
+  set(project_sources ${project_sources} ${PROJECT_SOURCE_DIR}/src/hb-coretext.cc)
+  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-coretext.h)
 
   find_library(APPLICATION_SERVICES_FRAMEWORK ApplicationServices)
   mark_as_advanced(APPLICATION_SERVICES_FRAMEWORK)
@@ -216,9 +198,8 @@ endif ()
 if (WIN32 AND HB_HAVE_UNISCRIBE)
   add_definitions(-DHAVE_UNISCRIBE)
 
-  set(project_headers ${project_headers} src/hb-uniscribe.h)
-
-  set(project_sources ${project_sources} src/hb-uniscribe.cc)
+  set(project_sources ${project_sources} ${PROJECT_SOURCE_DIR}/src/hb-uniscribe.cc)
+  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-uniscribe.h)
 
   set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} usp10 gdi32 rpcrt4)
 endif ()
@@ -226,9 +207,8 @@ endif ()
 if (WIN32 AND HB_HAVE_DIRECTWRITE)
   add_definitions(-DHAVE_DIRECTWRITE)
 
-  set(project_headers ${project_headers} src/hb-directwrite.h)
-
-  set(project_sources ${project_sources} src/hb-directwrite.cc)
+  set(project_sources ${project_sources} ${PROJECT_SOURCE_DIR}/src/hb-directwrite.cc)
+  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-directwrite.h)
 
   set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} dwrite rpcrt4)
 endif ()
@@ -251,4 +231,4 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
     RUNTIME DESTINATION bin
     )
 endif ()
-##
\ No newline at end of file
+##
diff --git a/src/Makefile.am b/src/Makefile.am
index e322d5686..d3a0cfa61 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -25,11 +25,13 @@ HBLIBS =
 HBNONPCLIBS =
 HBDEPS =
 HBSOURCES =  $(HB_BASE_sources)
+HBSOURCES += $(HB_BASE_RAGEL_GENERATED_sources)
 HBHEADERS = $(HB_BASE_headers)
 HBNODISTHEADERS = $(HB_NODIST_headers)
 
 if HAVE_OT
 HBSOURCES += $(HB_OT_sources)
+HBSOURCES += $(HB_OT_RAGEL_GENERATED_sources)
 HBHEADERS += $(HB_OT_headers)
 endif
 
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 6363cf930..03be7ba58 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -5,8 +5,6 @@ NULL =
 HB_BASE_sources = \
 	hb-atomic-private.hh \
 	hb-blob.cc \
-	hb-buffer-deserialize-json.hh \
-	hb-buffer-deserialize-text.hh \
 	hb-buffer-private.hh \
 	hb-buffer-serialize.cc \
 	hb-buffer.cc \
@@ -47,6 +45,11 @@ HB_BASE_sources = \
 	hb-warning.cc \
 	$(NULL)
 
+HB_BASE_RAGEL_GENERATED_sources = \
+	hb-buffer-deserialize-json.hh \
+	hb-buffer-deserialize-text.hh \
+	$(NULL)
+
 HB_BASE_headers = \
 	hb.h \
 	hb-blob.h \
@@ -91,15 +94,12 @@ HB_OT_sources = \
 	hb-ot-shape-complex-hangul.cc \
 	hb-ot-shape-complex-hebrew.cc \
 	hb-ot-shape-complex-indic.cc \
-	hb-ot-shape-complex-indic-machine.hh \
 	hb-ot-shape-complex-indic-private.hh \
 	hb-ot-shape-complex-indic-table.cc \
 	hb-ot-shape-complex-myanmar.cc \
-	hb-ot-shape-complex-myanmar-machine.hh \
 	hb-ot-shape-complex-thai.cc \
 	hb-ot-shape-complex-tibetan.cc \
 	hb-ot-shape-complex-use.cc \
-	hb-ot-shape-complex-use-machine.hh \
 	hb-ot-shape-complex-use-private.hh \
 	hb-ot-shape-complex-use-table.cc \
 	hb-ot-shape-complex-private.hh \
@@ -115,6 +115,12 @@ HB_OT_sources = \
 	hb-ot-var-mvar-table.hh \
 	$(NULL)
 
+HB_OT_RAGEL_GENERATED_sources = \
+	hb-ot-shape-complex-indic-machine.hh \
+	hb-ot-shape-complex-myanmar-machine.hh \
+	hb-ot-shape-complex-use-machine.hh \
+	$(NULL)
+
 HB_OT_headers = \
 	hb-ot.h \
 	hb-ot-font.h \
diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index dffdcb266..d66bb2c0f 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -36,9 +36,11 @@ HB_DEFINES =
 HB_CFLAGS = /DHAVE_CONFIG_H
 HB_UCDN_CFLAGS = /I..\src\hb-ucdn
 HB_SOURCES =	\
-	$(HB_BASE_sources)		\
-	$(HB_FALLBACK_sources)	\
-	$(HB_OT_sources)
+	$(HB_BASE_sources)			\
+	$(HB_BASE_RAGEL_GENERATED_sources)	\
+	$(HB_FALLBACK_sources)			\
+	$(HB_OT_sources)			\
+	$(HB_OT_RAGEL_GENERATED_sources)
 
 HB_HEADERS =	\
 	$(HB_BASE_headers)		\

From a4471d0c2cc4baa81e2cea695f9bd15e03d0f15e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 5 Apr 2017 15:42:11 +0200
Subject: [PATCH 0292/1326] Move list of ragel sources to Makefile.sources as
 well

---
 src/Makefile.am      | 14 ++++----------
 src/Makefile.sources |  9 +++++++++
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index d3a0cfa61..145033a60 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -253,19 +253,13 @@ built-sources: $(BUILT_SOURCES)
 .PHONY: unicode-tables arabic-table indic-table use-table built-sources
 
 RAGEL_GENERATED = \
-	$(srcdir)/hb-buffer-deserialize-json.hh \
-	$(srcdir)/hb-buffer-deserialize-text.hh \
-	$(srcdir)/hb-ot-shape-complex-indic-machine.hh \
-	$(srcdir)/hb-ot-shape-complex-myanmar-machine.hh \
-	$(srcdir)/hb-ot-shape-complex-use-machine.hh \
+	$(HB_BASE_RAGEL_GENERATED_sources) \
+	$(HB_OT_RAGEL_GENERATED_sources) \
 	$(NULL)
 BUILT_SOURCES += $(RAGEL_GENERATED)
 EXTRA_DIST += \
-	hb-buffer-deserialize-json.rl \
-	hb-buffer-deserialize-text.rl \
-	hb-ot-shape-complex-indic-machine.rl \
-	hb-ot-shape-complex-myanmar-machine.rl \
-	hb-ot-shape-complex-use-machine.rl \
+	$(HB_BASE_RAGEL_sources) \
+	$(HB_OT_RAGEL_sources) \
 	$(NULL)
 MAINTAINERCLEANFILES += $(RAGEL_GENERATED)
 $(srcdir)/%.hh: $(srcdir)/%.rl
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 03be7ba58..51e687b4a 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -49,6 +49,10 @@ HB_BASE_RAGEL_GENERATED_sources = \
 	hb-buffer-deserialize-json.hh \
 	hb-buffer-deserialize-text.hh \
 	$(NULL)
+HB_BASE_RAGEL_sources = \
+	hb-buffer-deserialize-json.rl \
+	hb-buffer-deserialize-text.rl \
+	$(NULL)
 
 HB_BASE_headers = \
 	hb.h \
@@ -120,6 +124,11 @@ HB_OT_RAGEL_GENERATED_sources = \
 	hb-ot-shape-complex-myanmar-machine.hh \
 	hb-ot-shape-complex-use-machine.hh \
 	$(NULL)
+HB_OT_RAGEL_sources = \
+	hb-ot-shape-complex-indic-machine.rl \
+	hb-ot-shape-complex-myanmar-machine.rl \
+	hb-ot-shape-complex-use-machine.rl \
+	$(NULL)
 
 HB_OT_headers = \
 	hb-ot.h \

From bc1244e2395f844b2b41315cb1eef29570e46b29 Mon Sep 17 00:00:00 2001
From: Chun-wei Fan <fanchunwei@src.gnome.org>
Date: Thu, 6 Apr 2017 18:44:28 +0800
Subject: [PATCH 0293/1326] NMake Makefiles: Fix ICU builds

Fix the check conditions in config-msvc.mak and info-msvc.mak so that
the ICU items does indeed get built into the HarfBuzz main DLL, and that
the correct configuration info is displayed.

Also update the checks in detectenv-msvc.mak so that we can detect that
we are using Visual Studio 2017 (although the 2015-built binaries use
the same CRT DLL as the 2017 ones).
---
 win32/config-msvc.mak    | 22 ++++++++++++----------
 win32/detectenv-msvc.mak |  4 +++-
 win32/info-msvc.mak      | 12 ++++++++----
 3 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index d66bb2c0f..6865bed67 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -42,6 +42,7 @@ HB_SOURCES =	\
 	$(HB_OT_sources)			\
 	$(HB_OT_RAGEL_GENERATED_sources)
 
+
 HB_HEADERS =	\
 	$(HB_BASE_headers)		\
 	$(HB_NODIST_headers)	\
@@ -177,6 +178,17 @@ HB_TESTS = \
 	$(CFG)\$(PLAT)\test-version.exe
 
 !else
+
+# Define some of the macros in GLib's msvc_recommended_pragmas.h
+# to reduce some unneeded build-time warnings
+HB_CFLAGS =	\
+	$(HB_CFLAGS)			\
+	/wd4244				\
+	/D_CRT_SECURE_NO_WARNINGS	\
+	/D_CRT_NONSTDC_NO_WARNINGS
+
+!endif
+
 !if "$(ICU)" == "1"
 # use ICU for Unicode functions
 # and define some of the macros in GLib's msvc_recommended_pragmas.h
@@ -194,16 +206,6 @@ HB_HEADERS = $(HB_HEADERS) $(HB_ICU_headers)
 HB_DEP_LIBS = $(HB_DEP_LIBS) $(HB_ICU_DEP_LIBS)
 !endif
 
-# Define some of the macros in GLib's msvc_recommended_pragmas.h
-# to reduce some unneeded build-time warnings
-HB_CFLAGS =	\
-	$(HB_CFLAGS)			\
-	/wd4244				\
-	/D_CRT_SECURE_NO_WARNINGS	\
-	/D_CRT_NONSTDC_NO_WARNINGS
-
-!endif
-
 !if "$(UNISCRIBE)" == "1"
 HB_CFLAGS = $(HB_CFLAGS) /DHAVE_UNISCRIBE
 HB_SOURCES = $(HB_SOURCES) $(HB_UNISCRIBE_sources)
diff --git a/win32/detectenv-msvc.mak b/win32/detectenv-msvc.mak
index ca09793cb..d10805253 100644
--- a/win32/detectenv-msvc.mak
+++ b/win32/detectenv-msvc.mak
@@ -87,8 +87,10 @@ VSVER = 10
 VSVER = 11
 !elseif $(VCVERSION) > 1799 && $(VCVERSION) < 1900
 VSVER = 12
-!elseif $(VCVERSION) > 1899 && $(VCVERSION) < 2000
+!elseif $(VCVERSION) > 1899 && $(VCVERSION) < 1910
 VSVER = 14
+!elseif $(VCVERSION) > 1909 && $(VCVERSION) < 2000
+VSVER = 15
 !else
 VSVER = 0
 !endif
diff --git a/win32/info-msvc.mak b/win32/info-msvc.mak
index 9b92e0311..70daf7625 100644
--- a/win32/info-msvc.mak
+++ b/win32/info-msvc.mak
@@ -6,17 +6,21 @@ BUILT_LIBRARIES = HarfBuzz
 
 !if "$(NO_UCDN)" != "1"
 UNICODE_IMPL = ucdn
-!else
-!if "$(GLIB)" == "1"
+!elseif "$(GLIB)" == "1"
 UNICODE_IMPL = GLib
+!elseif "$(ICU)" == "1"
+UNICODE_IMPL = ICU
+!endif
+
+!if "$(GLIB)" == "1"
 INC_FEATURES = $(INC_FEATURES) GLib
 BUILT_TOOLS = hb-shape.exe hb-ot-shape-closure.exe
 !if "$(CAIRO_FT)" == "1"
 BUILT_TOOLS = hb-view.exe $(BUILT_TOOLS)
 !endif
-!elseif "$(ICU)" == "1"
-UNICODE_IMPL = ICU
 !endif
+!if "$(ICU)" == "1"
+INC_FEATURES = $(INC_FEATURES) ICU
 !endif
 
 !if "$(FREETYPE)" == "1"

From 3a8bc572115a28741d5a80f3f1e28e6756b9abfa Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Tue, 11 Apr 2017 21:32:14 +0430
Subject: [PATCH 0294/1326] [cmake] Add utils build support (#460)

---
 CMakeLists.txt | 150 +++++++++++++++++++++++++++++++++++--------------
 1 file changed, 108 insertions(+), 42 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 111066c3e..3a473237a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,12 @@ option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper on Windows" OFF)
 option(HB_HAVE_DIRECWRITE "Enable DirectWrite shaper on Windows" OFF)
 option(HB_HAVE_CORETEXT "Enable CoreText shaper on macOS" ON)
 option(HB_BUILTIN_UCDN "Use HarfBuzz provided UCDN" ON)
+option(HB_HAVE_GLIB "Use glib unicode functions" OFF)
+option(HB_BUILD_UTILS "Build harfbuzz utils, needs cairo, freetype, and glib properly be installed" OFF)
+if (HB_BUILD_UTILS)
+  set(HB_HAVE_GLIB ON)
+  set(HB_HAVE_FREETYPE ON)
+endif ()
 
 include_directories(AFTER
   ${PROJECT_SOURCE_DIR}/src
@@ -53,30 +59,60 @@ if (EXISTS "${PROJECT_SOURCE_DIR}/src/hb-version.h")
   set(HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
 endif ()
 
-## Extract variables from src/Makefile.sources
-file(READ ${PROJECT_SOURCE_DIR}/src/Makefile.sources MAKEFILESOURCES)
-function (extract_make_variable variable directory)
-  string(REGEX MATCH "${variable} = ([^$]+)" temp ${MAKEFILESOURCES})
-  string(REGEX REPLACE "\thb" "${directory}/hb" temp ${temp})
-  string(REGEX MATCHALL "src/[^ ]+" temp ${temp})
-  set(${variable} ${temp} PARENT_SCOPE)
+## Extract variables from Makefile files
+# http://stackoverflow.com/a/27630120/1414809
+function (prepend var prefix)
+  set(listVar "")
+  foreach (f ${ARGN})
+    list(APPEND listVar "${prefix}${f}")
+  endforeach (f)
+  set(${var} "${listVar}" PARENT_SCOPE)
 endfunction ()
 
-extract_make_variable(HB_BASE_sources "${PROJECT_SOURCE_DIR}/src")
-extract_make_variable(HB_BASE_headers "${PROJECT_SOURCE_DIR}/src")
-extract_make_variable(HB_OT_sources "${PROJECT_SOURCE_DIR}/src")
-extract_make_variable(HB_OT_headers "${PROJECT_SOURCE_DIR}/src")
+file(READ ${PROJECT_SOURCE_DIR}/src/Makefile.sources SRCSOURCES)
+file(READ ${PROJECT_SOURCE_DIR}/util/Makefile.sources UTILSOURCES)
+function (extract_make_variable variable file)
+  string(REGEX MATCH "${variable} = ([^$]+)\\$" temp ${file})
+  string(REGEX MATCHALL "[^ \n\t\\]+" list ${CMAKE_MATCH_1})
+  set(${variable} ${list} PARENT_SCOPE)
+endfunction ()
+
+extract_make_variable(HB_BASE_sources ${SRCSOURCES})
+extract_make_variable(HB_BASE_headers ${SRCSOURCES})
+extract_make_variable(HB_OT_sources ${SRCSOURCES})
+extract_make_variable(HB_OT_headers ${SRCSOURCES})
+extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES})
+extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES})
+
+extract_make_variable(HB_VIEW_sources ${UTILSOURCES})
+extract_make_variable(HB_SHAPE_sources ${UTILSOURCES})
+extract_make_variable(HB_OT_SHAPE_CLOSURE_sources ${UTILSOURCES})
+
+prepend(HB_BASE_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_BASE_sources})
+prepend(HB_BASE_headers "${PROJECT_SOURCE_DIR}/src/" ${HB_BASE_headers})
+prepend(HB_OT_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_OT_sources})
+prepend(HB_OT_headers "${PROJECT_SOURCE_DIR}/src/" ${HB_OT_headers})
 if (IN_HB_DIST)
-  extract_make_variable(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src")
-  extract_make_variable(HB_OT_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src")
+  prepend(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_BASE_RAGEL_GENERATED_sources})
+  prepend(HB_OT_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_OT_RAGEL_GENERATED_sources})
 else ()
-  extract_make_variable(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src")
-  extract_make_variable(HB_OT_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src")
+  prepend(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/" ${HB_BASE_RAGEL_GENERATED_sources})
+  prepend(HB_OT_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/" ${HB_OT_RAGEL_GENERATED_sources})
 endif ()
+prepend(HB_VIEW_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_VIEW_sources})
+prepend(HB_SHAPE_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_SHAPE_sources})
+prepend(HB_OT_SHAPE_CLOSURE_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_OT_SHAPE_CLOSURE_sources})
+
+file(READ configure.ac CONFIGUREAC)
+string(REGEX MATCH "\\[(([0-9]+)\\.([0-9]+)\\.([0-9]+))\\]" HB_VERSION_MATCH ${CONFIGUREAC})
+set(HB_VERSION ${CMAKE_MATCH_1})
+set(HB_VERSION_MAJOR ${CMAKE_MATCH_2})
+set(HB_VERSION_MINOR ${CMAKE_MATCH_3})
+set(HB_VERSION_MICRO ${CMAKE_MATCH_4})
 ##
 
 if (NOT IN_HB_DIST)
-  ## execute ragel tasks
+  ## Define ragel tasks
   find_program(RAGEL "ragel")
 
   if (RAGEL)
@@ -97,13 +133,6 @@ if (NOT IN_HB_DIST)
   ##
 
   ## Generate hb-version.h
-  file(READ configure.ac CONFIGUREAC)
-  string(REGEX MATCH "\\[(([0-9]+)\\.([0-9]+)\\.([0-9]+))\\]" HB_VERSION_MATCH ${CONFIGUREAC})
-  set(HB_VERSION ${CMAKE_MATCH_1})
-  set(HB_VERSION_MAJOR ${CMAKE_MATCH_2})
-  set(HB_VERSION_MINOR ${CMAKE_MATCH_3})
-  set(HB_VERSION_MICRO ${CMAKE_MATCH_4})
-
   set(HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")
   set(HB_VERSION_H "${PROJECT_BINARY_DIR}/src/hb-version.h")
   set_source_files_properties("${HB_VERSION_H}" PROPERTIES GENERATED true)
@@ -115,7 +144,7 @@ if (NOT IN_HB_DIST)
   ##
 endif ()
 
-## Define source and headers of projects
+## Define sources and headers of the project
 set(project_sources
   ${HB_BASE_sources}
   ${HB_BASE_RAGEL_GENERATED_sources}
@@ -157,60 +186,75 @@ if (HB_HAVE_FREETYPE)
   endif ()
 
   if (FREETYPE_INCLUDE_DIR AND FREETYPE_ACTUAL_LIBRARY)
-    set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} ${FREETYPE_ACTUAL_LIBRARY})
+    list(APPEND THIRD_PARTY_LIBS ${FREETYPE_ACTUAL_LIBRARY})
     add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)
   endif ()
 
-  set(project_sources ${project_sources} ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
-  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
+  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
+  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
 endif ()
 
 if (HB_BUILTIN_UCDN)
   include_directories(src/hb-ucdn)
   add_definitions(-DHAVE_UCDN)
 
-  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-ucdn/ucdn.h)
-
-  set(project_sources
-    ${project_sources}
+  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ucdn/ucdn.h)
 
+  list(APPEND project_sources
     ${PROJECT_SOURCE_DIR}/src/hb-ucdn.cc
     ${PROJECT_SOURCE_DIR}/src/hb-ucdn/ucdn.c
     ${PROJECT_SOURCE_DIR}/src/hb-ucdn/unicodedata_db.h)
-else ()
-  add_definitions(-DHB_NO_UNICODE_FUNCS)
+endif ()
+
+if (HB_HAVE_GLIB)
+  add_definitions(-DHAVE_GLIB)
+
+  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindGLIB.cmake
+  find_package(PkgConfig)
+  pkg_check_modules(PC_GLIB QUIET glib-2.0)
+
+  find_library(GLIB_LIBRARIES NAMES glib-2.0 HINTS ${PC_GLIB_LIBDIR} ${PC_GLIB_LIBRARY_DIRS})
+  find_path(GLIBCONFIG_INCLUDE_DIR NAMES glibconfig.h HINTS ${PC_LIBDIR} ${PC_LIBRARY_DIRS} ${PC_GLIB_INCLUDEDIR} ${PC_GLIB_INCLUDE_DIRS} PATH_SUFFIXES glib-2.0/include)
+  find_path(GLIB_INCLUDE_DIR NAMES glib.h HINTS ${PC_GLIB_INCLUDEDIR} ${PC_GLIB_INCLUDE_DIRS} PATH_SUFFIXES glib-2.0)
+
+  include_directories(${GLIBCONFIG_INCLUDE_DIR} ${GLIB_INCLUDE_DIR})
+
+  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-glib.cc)
+  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-glib.h)
+
+  list(APPEND THIRD_PARTY_LIBS ${GLIB_LIBRARIES})
 endif ()
 
 if (APPLE AND HB_HAVE_CORETEXT)
   # Apple Advanced Typography
   add_definitions(-DHAVE_CORETEXT)
 
-  set(project_sources ${project_sources} ${PROJECT_SOURCE_DIR}/src/hb-coretext.cc)
-  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-coretext.h)
+  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-coretext.cc)
+  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-coretext.h)
 
   find_library(APPLICATION_SERVICES_FRAMEWORK ApplicationServices)
   mark_as_advanced(APPLICATION_SERVICES_FRAMEWORK)
   if (APPLICATION_SERVICES_FRAMEWORK)
-    set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} ${APPLICATION_SERVICES_FRAMEWORK})
+    list(APPEND THIRD_PARTY_LIBS ${APPLICATION_SERVICES_FRAMEWORK})
   endif (APPLICATION_SERVICES_FRAMEWORK)
 endif ()
 
 if (WIN32 AND HB_HAVE_UNISCRIBE)
   add_definitions(-DHAVE_UNISCRIBE)
 
-  set(project_sources ${project_sources} ${PROJECT_SOURCE_DIR}/src/hb-uniscribe.cc)
-  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-uniscribe.h)
+  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-uniscribe.cc)
+  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-uniscribe.h)
 
-  set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} usp10 gdi32 rpcrt4)
+  list(APPEND THIRD_PARTY_LIBS usp10 gdi32 rpcrt4)
 endif ()
 
 if (WIN32 AND HB_HAVE_DIRECTWRITE)
   add_definitions(-DHAVE_DIRECTWRITE)
 
-  set(project_sources ${project_sources} ${PROJECT_SOURCE_DIR}/src/hb-directwrite.cc)
-  set(project_headers ${project_headers} ${PROJECT_SOURCE_DIR}/src/hb-directwrite.h)
+  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-directwrite.cc)
+  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-directwrite.h)
 
-  set(THIRD_PARTY_LIBS ${THIRD_PARTY_LIBS} dwrite rpcrt4)
+  list(APPEND THIRD_PARTY_LIBS dwrite rpcrt4)
 endif ()
 
 set(project_sources ${project_sources} ${project_headers})
@@ -219,6 +263,28 @@ set(project_sources ${project_sources} ${project_headers})
 add_library(harfbuzz ${project_sources})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
+if (HB_BUILD_UTILS)
+  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindCairo.cmake
+  find_package(PkgConfig)
+  pkg_check_modules(PC_CAIRO QUIET cairo)
+
+  find_path(CAIRO_INCLUDE_DIRS NAMES cairo.h HINTS ${PC_CAIRO_INCLUDEDIR} ${PC_CAIRO_INCLUDE_DIRS} PATH_SUFFIXES cairo)
+  find_library(CAIRO_LIBRARIESNAMES cairo HINTS ${PC_CAIRO_LIBDIR} ${PC_CAIRO_LIBRARY_DIRS})
+
+  add_definitions("-DPACKAGE_NAME=\"HarfBuzz\"")
+  add_definitions("-DPACKAGE_VERSION=\"${HB_VERSION}\"")
+  include_directories(${CAIRO_INCLUDE_DIRS})
+
+  add_executable(hb-view ${HB_VIEW_sources})
+  target_link_libraries(hb-view harfbuzz ${CAIRO_LIBRARIESNAMES})
+
+  add_executable(hb-shape ${HB_SHAPE_sources})
+  target_link_libraries(hb-shape harfbuzz)
+
+  add_executable(hb-ot-shape-closure ${HB_OT_SHAPE_CLOSURE_sources})
+  target_link_libraries(hb-ot-shape-closure harfbuzz)
+endif ()
+
 ## Install
 if (NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
   install(FILES ${project_headers} DESTINATION include/harfbuzz)

From adfd4ae1cf6c4abe66aecf1eb0a05c7183a0f4e2 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Tue, 11 Apr 2017 23:18:18 +0430
Subject: [PATCH 0295/1326] [cmake] Improve third party libraries support
 (#461)

---
 CMakeLists.txt               | 57 +++++++++++++++++++++++++++++-------
 src/hb-ucdn/Makefile.sources |  5 +++-
 2 files changed, 51 insertions(+), 11 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3a473237a..e373733c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,12 +17,14 @@ endif ()
 ##
 
 ## HarfBuzz build configurations
-option(HB_HAVE_FREETYPE "Use FreeType" OFF)
-option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper on Windows" OFF)
-option(HB_HAVE_DIRECWRITE "Enable DirectWrite shaper on Windows" OFF)
-option(HB_HAVE_CORETEXT "Enable CoreText shaper on macOS" ON)
+option(HB_HAVE_FREETYPE "Enable freetype interop helpers" OFF)
+option(HB_HAVE_GRAPHITE2 "Enable Graphite2 complementary shaper" OFF)
+option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper backend on Windows" OFF)
+option(HB_HAVE_DIRECWRITE "Enable DirectWrite shaper backend on Windows" OFF)
+option(HB_HAVE_CORETEXT "Enable CoreText shaper backend on macOS" ON)
 option(HB_BUILTIN_UCDN "Use HarfBuzz provided UCDN" ON)
-option(HB_HAVE_GLIB "Use glib unicode functions" OFF)
+option(HB_HAVE_GLIB "Enable glib unicode functions" OFF)
+option(HB_HAVE_ICU "Enable icu unicode functions" OFF)
 option(HB_BUILD_UTILS "Build harfbuzz utils, needs cairo, freetype, and glib properly be installed" OFF)
 if (HB_BUILD_UTILS)
   set(HB_HAVE_GLIB ON)
@@ -65,12 +67,14 @@ function (prepend var prefix)
   set(listVar "")
   foreach (f ${ARGN})
     list(APPEND listVar "${prefix}${f}")
-  endforeach (f)
+  endforeach ()
   set(${var} "${listVar}" PARENT_SCOPE)
 endfunction ()
 
 file(READ ${PROJECT_SOURCE_DIR}/src/Makefile.sources SRCSOURCES)
 file(READ ${PROJECT_SOURCE_DIR}/util/Makefile.sources UTILSOURCES)
+file(READ ${PROJECT_SOURCE_DIR}/src/hb-ucdn/Makefile.sources UCDNSOURCES)
+
 function (extract_make_variable variable file)
   string(REGEX MATCH "${variable} = ([^$]+)\\$" temp ${file})
   string(REGEX MATCHALL "[^ \n\t\\]+" list ${CMAKE_MATCH_1})
@@ -88,6 +92,8 @@ extract_make_variable(HB_VIEW_sources ${UTILSOURCES})
 extract_make_variable(HB_SHAPE_sources ${UTILSOURCES})
 extract_make_variable(HB_OT_SHAPE_CLOSURE_sources ${UTILSOURCES})
 
+extract_make_variable(LIBHB_UCDN_sources ${UCDNSOURCES})
+
 prepend(HB_BASE_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_BASE_sources})
 prepend(HB_BASE_headers "${PROJECT_SOURCE_DIR}/src/" ${HB_BASE_headers})
 prepend(HB_OT_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_OT_sources})
@@ -103,6 +109,8 @@ prepend(HB_VIEW_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_VIEW_sources})
 prepend(HB_SHAPE_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_SHAPE_sources})
 prepend(HB_OT_SHAPE_CLOSURE_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_OT_SHAPE_CLOSURE_sources})
 
+prepend(LIBHB_UCDN_sources "${PROJECT_SOURCE_DIR}/src/hb-ucdn/" ${LIBHB_UCDN_sources})
+
 file(READ configure.ac CONFIGUREAC)
 string(REGEX MATCH "\\[(([0-9]+)\\.([0-9]+)\\.([0-9]+))\\]" HB_VERSION_MATCH ${CONFIGUREAC})
 set(HB_VERSION ${CMAKE_MATCH_1})
@@ -194,16 +202,27 @@ if (HB_HAVE_FREETYPE)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
 endif ()
 
+if (HB_HAVE_GRAPHITE2)
+  add_definitions(-DHAVE_GRAPHITE2)
+
+  find_path(GRAPHITE2_INCLUDE_DIR graphite2/Font.h)
+  find_library(GRAPHITE2_LIBRARY graphite2)
+
+  include_directories(${GRAPHITE2_INCLUDE_DIR})
+
+  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-graphite2.cc)
+  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-graphite2.h)
+
+  list(APPEND THIRD_PARTY_LIBS ${GRAPHITE2_LIBRARY})
+endif ()
+
 if (HB_BUILTIN_UCDN)
   include_directories(src/hb-ucdn)
   add_definitions(-DHAVE_UCDN)
 
-  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ucdn/ucdn.h)
-
   list(APPEND project_sources
     ${PROJECT_SOURCE_DIR}/src/hb-ucdn.cc
-    ${PROJECT_SOURCE_DIR}/src/hb-ucdn/ucdn.c
-    ${PROJECT_SOURCE_DIR}/src/hb-ucdn/unicodedata_db.h)
+    ${LIBHB_UCDN_sources})
 endif ()
 
 if (HB_HAVE_GLIB)
@@ -225,6 +244,24 @@ if (HB_HAVE_GLIB)
   list(APPEND THIRD_PARTY_LIBS ${GLIB_LIBRARIES})
 endif ()
 
+if (HB_HAVE_ICU)
+  add_definitions(-DHAVE_ICU)
+
+  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindICU.cmake
+  find_package(PkgConfig)
+  pkg_check_modules(PC_ICU QUIET icu-uc)
+
+  find_path(ICU_INCLUDE_DIR NAMES unicode/utypes.h HINTS ${PC_ICU_INCLUDE_DIRS} ${PC_ICU_INCLUDEDIR})
+  find_library(ICU_LIBRARY NAMES libicuuc cygicuuc cygicuuc32 icuuc HINTS ${PC_ICU_LIBRARY_DIRS} ${PC_ICU_LIBDIR})
+
+  include_directories(${ICU_INCLUDE_DIR})
+
+  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-icu.cc)
+  list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-icu.h)
+
+  list(APPEND THIRD_PARTY_LIBS ${ICU_LIBRARY})
+endif ()
+
 if (APPLE AND HB_HAVE_CORETEXT)
   # Apple Advanced Typography
   add_definitions(-DHAVE_CORETEXT)
diff --git a/src/hb-ucdn/Makefile.sources b/src/hb-ucdn/Makefile.sources
index d5f87b282..52778d46c 100644
--- a/src/hb-ucdn/Makefile.sources
+++ b/src/hb-ucdn/Makefile.sources
@@ -1,4 +1,7 @@
+NULL =
+
 LIBHB_UCDN_sources = \
 	ucdn.h \
 	ucdn.c \
-	unicodedata_db.h
+	unicodedata_db.h \
+	$(NULL)

From c04c1fe86ee4b9b58ad88dad5593239ade4c75b8 Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Tue, 11 Apr 2017 22:29:13 +0100
Subject: [PATCH 0296/1326] Blacklist GDEF table in additional Tahoma versions.
 (#459)

There are more broken versions of Tahoma out there on various Windows releases,
so we need to add them to our blacklist to avoid broken rendering.
See https://bugzilla.mozilla.org/show_bug.cgi?id=1279925 for details.
---
 src/hb-ot-layout.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index f8a04a95f..7f4e01844 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -101,10 +101,18 @@ _hb_ot_layout_create (hb_face_t *face)
       || (928 == gdef_len && 59332 == gpos_len && 23298 == gsub_len)
       /* sha1sum:6d400781948517c3c0441ba42acb309584b73033  tahomabd.ttf from Windows 8.1 */
       || (940 == gdef_len && 60732 == gpos_len && 23310 == gsub_len)
+      /* tahoma.ttf v6.04 from Windows 8.1 x64, see https://bugzilla.mozilla.org/show_bug.cgi?id=1279925 */
+      || (964 == gdef_len && 60072 == gpos_len && 23836 == gsub_len)
+      /* tahomabd.ttf v6.04 from Windows 8.1 x64, see https://bugzilla.mozilla.org/show_bug.cgi?id=1279925 */
+      || (976 == gdef_len && 61456 == gpos_len && 23832 == gsub_len)
       /* sha1sum:e55fa2dfe957a9f7ec26be516a0e30b0c925f846  tahoma.ttf from Windows 10 */
       || (994 == gdef_len && 60336 == gpos_len && 24474 == gsub_len)
       /* sha1sum:7199385abb4c2cc81c83a151a7599b6368e92343  tahomabd.ttf from Windows 10 */
       || (1006 == gdef_len && 61740 == gpos_len && 24470 == gsub_len)
+      /* tahoma.ttf v6.91 from Windows 10 x64, see https://bugzilla.mozilla.org/show_bug.cgi?id=1279925 */
+      || (1006 == gdef_len && 61346 == gpos_len && 24576 == gsub_len)
+      /* tahomabd.ttf v6.91 from Windows 10 x64, see https://bugzilla.mozilla.org/show_bug.cgi?id=1279925 */
+      || (1018 == gdef_len && 62828 == gpos_len && 24572 == gsub_len)
       /* sha1sum:b9c84d820c49850d3d27ec498be93955b82772b5  tahoma.ttf from Windows 10 AU */
       || (1006 == gdef_len && 61352 == gpos_len && 24576 == gsub_len)
       /* sha1sum:2bdfaab28174bdadd2f3d4200a30a7ae31db79d2  tahomabd.ttf from Windows 10 AU */

From 8568588202dd718b089e43cd6d46f689c706f665 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 13 Apr 2017 02:17:16 +0430
Subject: [PATCH 0297/1326] [cmake] Remove NO_MT flag (#462)

---
 CMakeLists.txt | 1 -
 1 file changed, 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e373733c5..b374e57b1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,7 +38,6 @@ include_directories(AFTER
 
 # feel free to discuss these or more with the maintainers
 add_definitions(-DHAVE_OT)
-add_definitions(-DHB_NO_MT)
 add_definitions(-DHB_DISABLE_DEPRECATED)
 
 if (BUILD_SHARED_LIBS)

From a41d5ea4453995dfd7c523427c6017623164c6ff Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Fri, 14 Apr 2017 04:25:50 +0430
Subject: [PATCH 0298/1326] [cmake] Add atomic ops availability detection
 (#464)

---
 CMakeLists.txt | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b374e57b1..93d30a9db 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -296,6 +296,36 @@ endif ()
 set(project_sources ${project_sources} ${project_headers})
 ##
 
+## Atomic ops availability detection
+file(WRITE "${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c"
+"		void memory_barrier (void) { __sync_synchronize (); }
+		int atomic_add (int *i) { return __sync_fetch_and_add (i, 1); }
+		int mutex_trylock (int *m) { return __sync_lock_test_and_set (m, 1); }
+		void mutex_unlock (int *m) { __sync_lock_release (m); }
+")
+try_compile(HB_HAVE_INTEL_ATOMIC_PRIMITIVES
+  ${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives
+  SOURCES ${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c)
+if (HB_HAVE_INTEL_ATOMIC_PRIMITIVES)
+  add_definitions(-DHAVE_INTEL_ATOMIC_PRIMITIVES)
+endif ()
+
+file(WRITE "${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c"
+"		#include <atomic.h>
+		/* This requires Solaris Studio 12.2 or newer: */
+		#include <mbarrier.h>
+		void memory_barrier (void) { __machine_rw_barrier (); }
+		int atomic_add (volatile unsigned *i) { return atomic_add_int_nv (i, 1); }
+		void *atomic_ptr_cmpxchg (volatile void **target, void *cmp, void *newval) { return atomic_cas_ptr (target, cmp, newval); }
+")
+try_compile(HB_HAVE_SOLARIS_ATOMIC_OPS
+  ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops
+  SOURCES ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c)
+if (HB_HB_HAVE_SOLARIS_ATOMIC_OPS)
+  add_definitions(-DHB_HAVE_SOLARIS_ATOMIC_OPS)
+endif ()
+##
+
 add_library(harfbuzz ${project_sources})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 

From cb021e14ab345def326fb58ce486515af179b2cf Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Fri, 14 Apr 2017 04:31:17 +0430
Subject: [PATCH 0299/1326] [cmake] typo (#465)

---
 CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 93d30a9db..c2ae80091 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -321,8 +321,8 @@ file(WRITE "${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c"
 try_compile(HB_HAVE_SOLARIS_ATOMIC_OPS
   ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops
   SOURCES ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c)
-if (HB_HB_HAVE_SOLARIS_ATOMIC_OPS)
-  add_definitions(-DHB_HAVE_SOLARIS_ATOMIC_OPS)
+if (HB_HAVE_SOLARIS_ATOMIC_OPS)
+  add_definitions(-DHAVE_SOLARIS_ATOMIC_OPS)
 endif ()
 ##
 

From 75931427aa4344cd75321c618b8373ffcf1ffc33 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Fri, 14 Apr 2017 05:08:11 +0430
Subject: [PATCH 0300/1326] [cmake] Fix try compile link issues (#466)

---
 CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c2ae80091..a43857e8d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -302,6 +302,7 @@ file(WRITE "${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c"
 		int atomic_add (int *i) { return __sync_fetch_and_add (i, 1); }
 		int mutex_trylock (int *m) { return __sync_lock_test_and_set (m, 1); }
 		void mutex_unlock (int *m) { __sync_lock_release (m); }
+		int main () { return 0; }
 ")
 try_compile(HB_HAVE_INTEL_ATOMIC_PRIMITIVES
   ${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives
@@ -317,6 +318,7 @@ file(WRITE "${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c"
 		void memory_barrier (void) { __machine_rw_barrier (); }
 		int atomic_add (volatile unsigned *i) { return atomic_add_int_nv (i, 1); }
 		void *atomic_ptr_cmpxchg (volatile void **target, void *cmp, void *newval) { return atomic_cas_ptr (target, cmp, newval); }
+		int main () { return 0; }
 ")
 try_compile(HB_HAVE_SOLARIS_ATOMIC_OPS
   ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops

From c42869eb713f53504e1b77a679cff2f88ebd0c20 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Schl=C3=B6sser?= <dominik.schloesser@gmail.com>
Date: Sat, 15 Apr 2017 21:17:05 +0200
Subject: [PATCH 0301/1326] Small doc fix: `make check` runs the tests (#469)

---
 test/shaping/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/README.md b/test/shaping/README.md
index a581a3435..d1df63470 100644
--- a/test/shaping/README.md
+++ b/test/shaping/README.md
@@ -31,7 +31,7 @@ $ ./hb-unicode-encode 41 42 43 627 | ./record-test.sh ../../util/hb-shape font.t
 ```
 
 If you created a new test file, add it to `Makefile.am` so it is run.
-Check that `make test` does indeed run it, and that the test passes.
+Check that `make check` does indeed run it, and that the test passes.
 When everything looks good, `git add` the new font as well as new
 test file if you created any.  You can see what new files are there
 by running `git status tests fonts/sha1sum`.  And commit!

From 5ecf96e3a22e896184710a9f146a8bf149af6ca4 Mon Sep 17 00:00:00 2001
From: William Hua <william@attente.ca>
Date: Mon, 17 Apr 2017 01:33:42 -0400
Subject: [PATCH 0302/1326] Use absolute paths of ragel generated headers
 (#467)

https://github.com/behdad/harfbuzz/issues/455
---
 src/Makefile.am | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 145033a60..0c077d990 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -253,8 +253,8 @@ built-sources: $(BUILT_SOURCES)
 .PHONY: unicode-tables arabic-table indic-table use-table built-sources
 
 RAGEL_GENERATED = \
-	$(HB_BASE_RAGEL_GENERATED_sources) \
-	$(HB_OT_RAGEL_GENERATED_sources) \
+	$(patsubst %,$(srcdir)/%,$(HB_BASE_RAGEL_GENERATED_sources)) \
+	$(patsubst %,$(srcdir)/%,$(HB_OT_RAGEL_GENERATED_sources)) \
 	$(NULL)
 BUILT_SOURCES += $(RAGEL_GENERATED)
 EXTRA_DIST += \

From 4d7c52066b5b205b20ba2679cb57a4e593942102 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Mon, 17 Apr 2017 15:53:46 +0430
Subject: [PATCH 0303/1326] [cmake] Remove HB_DISABLE_DEPRECATED as it seems
 needed for pango build (#470)

---
 CMakeLists.txt | 2 --
 1 file changed, 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a43857e8d..2c03f2bbf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,9 +36,7 @@ include_directories(AFTER
   ${PROJECT_BINARY_DIR}/src
   )
 
-# feel free to discuss these or more with the maintainers
 add_definitions(-DHAVE_OT)
-add_definitions(-DHB_DISABLE_DEPRECATED)
 
 if (BUILD_SHARED_LIBS)
   add_definitions(-DHAVE_ATEXIT)

From aacca37590656e235218557ea509eb5624dfbff9 Mon Sep 17 00:00:00 2001
From: Chris Peterson <cpeterson@mozilla.com>
Date: Mon, 17 Apr 2017 23:25:24 -0700
Subject: [PATCH 0304/1326] Fix clang -Wcomma warnings (#471) (#472)

clang's new -Wcomma compiler option warns about possible misuse of the
comma operator such as between two statements.

hb-common.cc:190:9 [-Wcomma] possible misuse of comma operator here
hb-ot-layout-gsubgpos-private.hh:345:30 [-Wcomma] possible misuse of
comma operator here
hb-shape-plan.cc:438:26 [-Wcomma] possible misuse of comma operator here
---
 src/hb-common.cc                     | 6 ++++--
 src/hb-ot-layout-gsubgpos-private.hh | 2 +-
 src/hb-shape-plan.cc                 | 7 ++++---
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 16657303b..39006237a 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -186,8 +186,10 @@ lang_equal (hb_language_t  v1,
   const unsigned char *p1 = (const unsigned char *) v1;
   const unsigned char *p2 = (const unsigned char *) v2;
 
-  while (*p1 && *p1 == canon_map[*p2])
-    p1++, p2++;
+  while (*p1 && *p1 == canon_map[*p2]) {
+    p1++;
+    p2++;
+  }
 
   return *p1 == canon_map[*p2];
 }
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index f9fcec52b..921859a66 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -342,7 +342,7 @@ struct hb_apply_context_t :
     inline void init (hb_apply_context_t *c_, bool context_match = false)
     {
       c = c_;
-      match_glyph_data = NULL,
+      match_glyph_data = NULL;
       matcher.set_match_func (NULL, NULL);
       matcher.set_lookup_props (c->lookup_props);
       /* Ignore ZWNJ if we are matching GSUB context, or matching GPOS. */
diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index 1ac77bef7..61737669c 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -431,11 +431,12 @@ static inline hb_bool_t
 hb_non_global_user_features_present (const hb_feature_t *user_features,
 				     unsigned int        num_user_features)
 {
-  while (num_user_features)
+  while (num_user_features) {
     if (user_features->start != 0 || user_features->end != (unsigned int) -1)
       return true;
-    else
-      num_user_features--, user_features++;
+    num_user_features--;
+    user_features++;
+  }
   return false;
 }
 

From 696641314e7eb60a5a2e08c1c4fd1e5e41022148 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 19 Apr 2017 22:59:46 +0430
Subject: [PATCH 0305/1326] [cmake] Final touches (#473)

---
 CMakeLists.txt | 117 +++++++++++++++++++++++--------------------------
 1 file changed, 56 insertions(+), 61 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c03f2bbf..91e7eca0e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,12 +19,16 @@ endif ()
 ## HarfBuzz build configurations
 option(HB_HAVE_FREETYPE "Enable freetype interop helpers" OFF)
 option(HB_HAVE_GRAPHITE2 "Enable Graphite2 complementary shaper" OFF)
-option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper backend on Windows" OFF)
-option(HB_HAVE_DIRECWRITE "Enable DirectWrite shaper backend on Windows" OFF)
-option(HB_HAVE_CORETEXT "Enable CoreText shaper backend on macOS" ON)
 option(HB_BUILTIN_UCDN "Use HarfBuzz provided UCDN" ON)
 option(HB_HAVE_GLIB "Enable glib unicode functions" OFF)
 option(HB_HAVE_ICU "Enable icu unicode functions" OFF)
+if (APPLE)
+  option(HB_HAVE_CORETEXT "Enable CoreText shaper backend on macOS" ON)
+endif ()
+if (WIN32)
+  option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper backend on Windows" OFF)
+  option(HB_HAVE_DIRECWRITE "Enable DirectWrite shaper backend on Windows" OFF)
+endif ()
 option(HB_BUILD_UTILS "Build harfbuzz utils, needs cairo, freetype, and glib properly be installed" OFF)
 if (HB_BUILD_UTILS)
   set(HB_HAVE_GLIB ON)
@@ -68,45 +72,35 @@ function (prepend var prefix)
   set(${var} "${listVar}" PARENT_SCOPE)
 endfunction ()
 
+function (extract_make_variable variable file prefix)
+  string(REGEX MATCH "${variable} = ([^$]+)\\$" temp ${file})
+  string(REGEX MATCHALL "[^ \n\t\\]+" list ${CMAKE_MATCH_1})
+  prepend(list ${prefix} ${list})
+  set(${variable} ${list} PARENT_SCOPE)
+endfunction ()
+
 file(READ ${PROJECT_SOURCE_DIR}/src/Makefile.sources SRCSOURCES)
 file(READ ${PROJECT_SOURCE_DIR}/util/Makefile.sources UTILSOURCES)
 file(READ ${PROJECT_SOURCE_DIR}/src/hb-ucdn/Makefile.sources UCDNSOURCES)
 
-function (extract_make_variable variable file)
-  string(REGEX MATCH "${variable} = ([^$]+)\\$" temp ${file})
-  string(REGEX MATCHALL "[^ \n\t\\]+" list ${CMAKE_MATCH_1})
-  set(${variable} ${list} PARENT_SCOPE)
-endfunction ()
+extract_make_variable(HB_BASE_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_BASE_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_OT_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_OT_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
 
-extract_make_variable(HB_BASE_sources ${SRCSOURCES})
-extract_make_variable(HB_BASE_headers ${SRCSOURCES})
-extract_make_variable(HB_OT_sources ${SRCSOURCES})
-extract_make_variable(HB_OT_headers ${SRCSOURCES})
-extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES})
-extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES})
-
-extract_make_variable(HB_VIEW_sources ${UTILSOURCES})
-extract_make_variable(HB_SHAPE_sources ${UTILSOURCES})
-extract_make_variable(HB_OT_SHAPE_CLOSURE_sources ${UTILSOURCES})
-
-extract_make_variable(LIBHB_UCDN_sources ${UCDNSOURCES})
-
-prepend(HB_BASE_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_BASE_sources})
-prepend(HB_BASE_headers "${PROJECT_SOURCE_DIR}/src/" ${HB_BASE_headers})
-prepend(HB_OT_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_OT_sources})
-prepend(HB_OT_headers "${PROJECT_SOURCE_DIR}/src/" ${HB_OT_headers})
 if (IN_HB_DIST)
-  prepend(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_BASE_RAGEL_GENERATED_sources})
-  prepend(HB_OT_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src/" ${HB_OT_RAGEL_GENERATED_sources})
+  set(RAGEL_GENERATED_DIR "${PROJECT_SOURCE_DIR}/src/")
 else ()
-  prepend(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/" ${HB_BASE_RAGEL_GENERATED_sources})
-  prepend(HB_OT_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/" ${HB_OT_RAGEL_GENERATED_sources})
+  set(RAGEL_GENERATED_DIR "${PROJECT_BINARY_DIR}/src/")
 endif ()
-prepend(HB_VIEW_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_VIEW_sources})
-prepend(HB_SHAPE_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_SHAPE_sources})
-prepend(HB_OT_SHAPE_CLOSURE_sources "${PROJECT_SOURCE_DIR}/util/" ${HB_OT_SHAPE_CLOSURE_sources})
+extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES} ${RAGEL_GENERATED_DIR})
+extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES} ${RAGEL_GENERATED_DIR})
 
-prepend(LIBHB_UCDN_sources "${PROJECT_SOURCE_DIR}/src/hb-ucdn/" ${LIBHB_UCDN_sources})
+extract_make_variable(HB_VIEW_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")
+extract_make_variable(HB_SHAPE_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")
+extract_make_variable(HB_OT_SHAPE_CLOSURE_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")
+
+extract_make_variable(LIBHB_UCDN_sources ${UCDNSOURCES} "${PROJECT_SOURCE_DIR}/src/hb-ucdn/")
 
 file(READ configure.ac CONFIGUREAC)
 string(REGEX MATCH "\\[(([0-9]+)\\.([0-9]+)\\.([0-9]+))\\]" HB_VERSION_MATCH ${CONFIGUREAC})
@@ -123,7 +117,7 @@ if (NOT IN_HB_DIST)
   if (RAGEL)
     message(STATUS "ragel found at: ${RAGEL}")
   else ()
-    message(FATAL_ERROR "ragel not found, get it here -- http://www.complang.org/ragel/")
+    message(FATAL_ERROR "ragel not found, get it here -- http://www.complang.org/ragel/ or, use harfbuzz releases https://github.com/behdad/harfbuzz/releases")
   endif ()
 
   foreach (ragel_output IN ITEMS ${HB_BASE_RAGEL_GENERATED_sources} ${HB_OT_RAGEL_GENERATED_sources})
@@ -135,6 +129,8 @@ if (NOT IN_HB_DIST)
       )
     add_custom_target(harfbuzz_${target_name} DEPENDS ${PROJECT_BINARY_DIR}/src/${target_name})
   endforeach ()
+
+  mark_as_advanced(RAGEL)
   ##
 
   ## Generate hb-version.h
@@ -166,37 +162,29 @@ set(project_headers
   )
 
 if (HB_HAVE_FREETYPE)
-  set(FREETYPE_DIR "$ENV{FREETYPE_DIR}"
-    CACHE PATH "root path for freetype lib/ and include/ folders"
-    )
-  find_path(FREETYPE_INCLUDE_DIR
-    ft2build.h freetype2/freetype/freetype.h
-    PATHS ${FREETYPE_DIR}/include
-    )
+  add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)
 
+  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindFreetype2.cmake
+  find_package(PkgConfig)
+  pkg_check_modules(PC_FREETYPE2 QUIET freetype2)
+
+  find_path(FREETYPE2_HEADER_DIR NAMES freetype.h HINTS ${PC_FREETYPE2_INCLUDE_DIRS} ${PC_FREETYPE2_INCLUDEDIR} $ENV{FREETYPE_DIR}/include PATH_SUFFIXES freetype)
+  find_path(FREETYPE2_ROOT_INCLUDE_DIR NAMES freetype/freetype.h HINTS ${PC_FREETYPE2_INCLUDE_DIRS} ${PC_FREETYPE2_INCLUDEDIR} $ENV{FREETYPE_DIR}/include)
   if (CMAKE_BUILD_TYPE MATCHES Debug)
-    find_library(FREETYPE_DEBUG_LIBRARY freetyped)
-    set(FREETYPE_ACTUAL_LIBRARY ${FREETYPE_DEBUG_LIBRARY})
+    set(FREETYPE2_LIBRARY_NAME freetyped)
   else ()
-    find_library(FREETYPE_LIBRARY
-      freetype libfreetype
-      PATHS ${FREETYPE_DIR}/lib
-      DOC "freetype library"
-      )
-    set(FREETYPE_ACTUAL_LIBRARY ${FREETYPE_LIBRARY})
+    set(FREETYPE2_LIBRARY_NAME freetype)
   endif ()
+  find_library(FREETYPE2_LIBRARIES ${FREETYPE2_LIBRARY_NAME} HINTS ${PC_FREETYPE2_LIBDIR} ${PC_FREETYPE2_LIBRARY_DIRS} $ENV{FREETYPE_DIR}/lib)
 
-  if (FREETYPE_INCLUDE_DIR)
-    include_directories(AFTER ${FREETYPE_INCLUDE_DIR} ${FREETYPE_INCLUDE_DIR}/freetype2)
-  endif ()
-
-  if (FREETYPE_INCLUDE_DIR AND FREETYPE_ACTUAL_LIBRARY)
-    list(APPEND THIRD_PARTY_LIBS ${FREETYPE_ACTUAL_LIBRARY})
-    add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)
-  endif ()
+  include_directories(AFTER ${FREETYPE2_HEADER_DIR} ${FREETYPE2_ROOT_INCLUDE_DIR})
 
   list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
+
+  list(APPEND THIRD_PARTY_LIBS ${FREETYPE2_LIBRARIES})
+
+  mark_as_advanced(FREETYPE2_HEADER_DIR FREETYPE2_ROOT_INCLUDE_DIR FREETYPE2_LIBRARIES)
 endif ()
 
 if (HB_HAVE_GRAPHITE2)
@@ -211,6 +199,8 @@ if (HB_HAVE_GRAPHITE2)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-graphite2.h)
 
   list(APPEND THIRD_PARTY_LIBS ${GRAPHITE2_LIBRARY})
+
+  mark_as_advanced(GRAPHITE2_INCLUDE_DIR GRAPHITE2_LIBRARY)
 endif ()
 
 if (HB_BUILTIN_UCDN)
@@ -239,6 +229,8 @@ if (HB_HAVE_GLIB)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-glib.h)
 
   list(APPEND THIRD_PARTY_LIBS ${GLIB_LIBRARIES})
+
+  mark_as_advanced(GLIB_LIBRARIES GLIBCONFIG_INCLUDE_DIR GLIB_INCLUDE_DIR)
 endif ()
 
 if (HB_HAVE_ICU)
@@ -257,6 +249,8 @@ if (HB_HAVE_ICU)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-icu.h)
 
   list(APPEND THIRD_PARTY_LIBS ${ICU_LIBRARY})
+
+  mark_as_advanced(ICU_INCLUDE_DIR ICU_LIBRARY)
 endif ()
 
 if (APPLE AND HB_HAVE_CORETEXT)
@@ -267,10 +261,11 @@ if (APPLE AND HB_HAVE_CORETEXT)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-coretext.h)
 
   find_library(APPLICATION_SERVICES_FRAMEWORK ApplicationServices)
-  mark_as_advanced(APPLICATION_SERVICES_FRAMEWORK)
   if (APPLICATION_SERVICES_FRAMEWORK)
     list(APPEND THIRD_PARTY_LIBS ${APPLICATION_SERVICES_FRAMEWORK})
   endif (APPLICATION_SERVICES_FRAMEWORK)
+  
+  mark_as_advanced(APPLICATION_SERVICES_FRAMEWORK)
 endif ()
 
 if (WIN32 AND HB_HAVE_UNISCRIBE)
@@ -290,8 +285,6 @@ if (WIN32 AND HB_HAVE_DIRECTWRITE)
 
   list(APPEND THIRD_PARTY_LIBS dwrite rpcrt4)
 endif ()
-
-set(project_sources ${project_sources} ${project_headers})
 ##
 
 ## Atomic ops availability detection
@@ -326,7 +319,7 @@ if (HB_HAVE_SOLARIS_ATOMIC_OPS)
 endif ()
 ##
 
-add_library(harfbuzz ${project_sources})
+add_library(harfbuzz ${project_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
 if (HB_BUILD_UTILS)
@@ -349,6 +342,8 @@ if (HB_BUILD_UTILS)
 
   add_executable(hb-ot-shape-closure ${HB_OT_SHAPE_CLOSURE_sources})
   target_link_libraries(hb-ot-shape-closure harfbuzz)
+
+  mark_as_advanced(CAIRO_LIBRARIESNAMES)
 endif ()
 
 ## Install

From 74b99ef2249107e7cd01bd1ee522a5d9ce61e05f Mon Sep 17 00:00:00 2001
From: mhosken <mhosken@users.noreply.github.com>
Date: Thu, 20 Apr 2017 19:13:22 +0100
Subject: [PATCH 0306/1326] Fix graphite2 rtl conversion (#475)

---
 src/hb-graphite2.cc | 32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 5b804b829..c9799e9da 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -301,7 +301,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
 
   hb_codepoint_t *pg = gids;
   clusters[0].cluster = buffer->info[0].cluster;
-  float curradv = HB_DIRECTION_IS_BACKWARD(buffer->props.direction) ? gr_slot_origin_X(gr_seg_first_slot(seg)) : 0.;
+  float curradv = 0.;
   if (HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
   {
     curradv = gr_slot_origin_X(gr_seg_first_slot(seg));
@@ -330,13 +330,10 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
       c->base_glyph = ic;
       c->num_glyphs = 0;
       if (HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
-      {
-        ci++;
-        clusters[ci].advance = curradv - gr_slot_origin_X(is);
-      } else {
+        c->advance = curradv - gr_slot_origin_X(is);
+      else
         clusters[ci].advance = gr_slot_origin_X(is) - curradv;
-        ci++;
-      }
+      ci++;
       curradv = gr_slot_origin_X(is);
     }
     clusters[ci].num_glyphs++;
@@ -345,7 +342,9 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
 	clusters[ci].num_chars = after + 1 - clusters[ci].base_char;
   }
 
-  if (!HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
+  if (HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
+    clusters[ci].advance += curradv;
+  else
     clusters[ci].advance = gr_seg_advance_X(seg) - curradv;
   ci++;
 
@@ -366,11 +365,11 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   float yscale = (float) font->y_scale / upem;
   yscale *= yscale / xscale;
   /* Positioning. */
+  int currclus = -1;
+  const hb_glyph_info_t *info = buffer->info;
+  hb_glyph_position_t *pPos = hb_buffer_get_glyph_positions (buffer, NULL);
   if (!HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
   {
-    int currclus = -1;
-    const hb_glyph_info_t *info = buffer->info;
-    hb_glyph_position_t *pPos = hb_buffer_get_glyph_positions (buffer, NULL);
     curradvx = 0;
     for (is = gr_seg_first_slot (seg); is; pPos++, ++info, is = gr_slot_next_in_segment (is))
     {
@@ -389,23 +388,20 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   }
   else
   {
-    int currclus = -1;
-    const hb_glyph_info_t *info = buffer->info;
-    hb_glyph_position_t *pPos = hb_buffer_get_glyph_positions (buffer, NULL);
-    curradvx = gr_seg_advance_X(seg) * xscale;
+    curradvx = gr_seg_advance_X(seg);
     for (is = gr_seg_first_slot (seg); is; pPos++, info++, is = gr_slot_next_in_segment (is))
     {
       if (info->cluster != currclus)
       {
         pPos->x_advance = info->var1.i32 * xscale;
-        if (currclus != -1) curradvx -= info[-1].var1.i32 * xscale;
+        curradvx -= pPos->x_advance;
         currclus = info->cluster;
       } else
-      pPos->x_advance = 0.;
+        pPos->x_advance = 0.;
 
       pPos->y_advance = gr_slot_advance_Y (is, grface, NULL) * yscale;
       curradvy -= pPos->y_advance;
-      pPos->x_offset = gr_slot_origin_X (is) * xscale - curradvx + pPos->x_advance;
+      pPos->x_offset = (gr_slot_origin_X (is) - info->var1.i32) * xscale - curradvx + pPos->x_advance;
       pPos->y_offset = gr_slot_origin_Y (is) * yscale - curradvy;
     }
     hb_buffer_reverse_clusters (buffer);

From 141b33de9a141248e2f034d55f48460159536cb9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 23 Apr 2017 16:19:13 -0700
Subject: [PATCH 0307/1326] 1.4.6

---
 NEWS         | 9 +++++++++
 configure.ac | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index b878793af..9c7e7d3b4 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+Overview of changes leading to 1.4.6
+Sunday, April 23, 2017
+====================================
+
+- Graphite2: Fix RTL positioning issue.
+- Backlist GDEF of more versions of Padauk and Tahoma.
+- New, experimental, cmake alternative build system.
+
+
 Overview of changes leading to 1.4.5
 Friday, March 10, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 91fbfd70b..6d1445550 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.5],
+        [1.4.6],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From bf50ddaf2b416bd80ae8849593bc745b578193d9 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 4 May 2017 20:31:42 +0430
Subject: [PATCH 0308/1326] [cmake] minor (#482)

---
 CMakeLists.txt | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 91e7eca0e..5f6c3bad5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 2.8.0)
 project(harfbuzz)
 
-## Disallow in-source builds
-if ("${PROJECT_BINARY_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
+## Disallow in-source builds, as CMake generated make files can collide with autotools ones
+if (NOT MSVC AND "${PROJECT_BINARY_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
   message(FATAL_ERROR
     "
 In-source builds are not permitted!  Make a separate folder for"
@@ -14,7 +14,7 @@ Before that, remove the files created by this failed run with"
     "
   rm -rf CMakeCache.txt CMakeFiles")
 endif ()
-##
+
 
 ## HarfBuzz build configurations
 option(HB_HAVE_FREETYPE "Enable freetype interop helpers" OFF)
@@ -53,8 +53,9 @@ endif ()
 if (WIN32 AND NOT MINGW AND BUILD_SHARED_LIBS)
   add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")
 endif ()
-##
 
+
+## Detect if cmake is in distribution or regular repository folder
 set(IN_HB_DIST FALSE)
 if (EXISTS "${PROJECT_SOURCE_DIR}/src/hb-version.h")
   # perhaps we are on dist directory
@@ -62,6 +63,7 @@ if (EXISTS "${PROJECT_SOURCE_DIR}/src/hb-version.h")
   set(HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
 endif ()
 
+
 ## Extract variables from Makefile files
 # http://stackoverflow.com/a/27630120/1414809
 function (prepend var prefix)
@@ -108,7 +110,7 @@ set(HB_VERSION ${CMAKE_MATCH_1})
 set(HB_VERSION_MAJOR ${CMAKE_MATCH_2})
 set(HB_VERSION_MINOR ${CMAKE_MATCH_3})
 set(HB_VERSION_MICRO ${CMAKE_MATCH_4})
-##
+
 
 if (NOT IN_HB_DIST)
   ## Define ragel tasks
@@ -131,7 +133,7 @@ if (NOT IN_HB_DIST)
   endforeach ()
 
   mark_as_advanced(RAGEL)
-  ##
+
 
   ## Generate hb-version.h
   set(HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")
@@ -142,7 +144,8 @@ if (NOT IN_HB_DIST)
     "${HB_VERSION_H}.tmp"
     "${HB_VERSION_H}")
   file(REMOVE "${HB_VERSION_H}.tmp")
-  ##
+
+
 endif ()
 
 ## Define sources and headers of the project
@@ -161,6 +164,8 @@ set(project_headers
   ${HB_OT_headers}
   )
 
+
+## Find and include needed header folders and libraries
 if (HB_HAVE_FREETYPE)
   add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)
 
@@ -285,7 +290,7 @@ if (WIN32 AND HB_HAVE_DIRECTWRITE)
 
   list(APPEND THIRD_PARTY_LIBS dwrite rpcrt4)
 endif ()
-##
+
 
 ## Atomic ops availability detection
 file(WRITE "${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c"
@@ -317,11 +322,14 @@ try_compile(HB_HAVE_SOLARIS_ATOMIC_OPS
 if (HB_HAVE_SOLARIS_ATOMIC_OPS)
   add_definitions(-DHAVE_SOLARIS_ATOMIC_OPS)
 endif ()
-##
 
+
+## Define harfbuzz library
 add_library(harfbuzz ${project_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
+
+## Additional harfbuzz build artifacts
 if (HB_BUILD_UTILS)
   # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindCairo.cmake
   find_package(PkgConfig)
@@ -343,9 +351,10 @@ if (HB_BUILD_UTILS)
   add_executable(hb-ot-shape-closure ${HB_OT_SHAPE_CLOSURE_sources})
   target_link_libraries(hb-ot-shape-closure harfbuzz)
 
-  mark_as_advanced(CAIRO_LIBRARIESNAMES)
+  mark_as_advanced(CAIRO_INCLUDE_DIRS CAIRO_LIBRARIESNAMES)
 endif ()
 
+
 ## Install
 if (NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
   install(FILES ${project_headers} DESTINATION include/harfbuzz)
@@ -358,4 +367,3 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
     RUNTIME DESTINATION bin
     )
 endif ()
-##

From 152736981d5bb9e098c1a8b86fcf8fe577a4a9ec Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sat, 13 May 2017 21:32:56 +0430
Subject: [PATCH 0309/1326] [cmake] Add framework build support (#484)

---
 CMakeLists.txt | 46 +++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 39 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5f6c3bad5..b25cac0d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,20 @@
 cmake_minimum_required(VERSION 2.8.0)
 project(harfbuzz)
 
+
+## Limit framework build to Xcode generator
+if (BUILD_FRAMEWORK)
+  # for a framework on macOS, use `cmake .. -DBUILD_FRAMEWORK:BOOL=true -G Xcode`
+  if (NOT "${CMAKE_GENERATOR}" STREQUAL "Xcode")
+    message(FATAL_ERROR
+      "You should use Xcode generator with BUILD_FRAMEWORK enabled")
+  endif ()
+  set(CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD_32_64_BIT)")
+  set(CMAKE_MACOSX_RPATH ON)
+  set(BUILD_SHARED_LIBS ON)
+endif ()
+
+
 ## Disallow in-source builds, as CMake generated make files can collide with autotools ones
 if (NOT MSVC AND "${PROJECT_BINARY_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
   message(FATAL_ERROR
@@ -55,7 +69,7 @@ if (WIN32 AND NOT MINGW AND BUILD_SHARED_LIBS)
 endif ()
 
 
-## Detect if cmake is in distribution or regular repository folder
+## Detect if we are running inside a distribution or regular repository folder
 set(IN_HB_DIST FALSE)
 if (EXISTS "${PROJECT_SOURCE_DIR}/src/hb-version.h")
   # perhaps we are on dist directory
@@ -112,8 +126,8 @@ set(HB_VERSION_MINOR ${CMAKE_MATCH_3})
 set(HB_VERSION_MICRO ${CMAKE_MATCH_4})
 
 
+## Define ragel tasks
 if (NOT IN_HB_DIST)
-  ## Define ragel tasks
   find_program(RAGEL "ragel")
 
   if (RAGEL)
@@ -133,21 +147,23 @@ if (NOT IN_HB_DIST)
   endforeach ()
 
   mark_as_advanced(RAGEL)
+endif ()
 
 
-  ## Generate hb-version.h
+## Generate hb-version.h
+if (NOT IN_HB_DIST)
   set(HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")
   set(HB_VERSION_H "${PROJECT_BINARY_DIR}/src/hb-version.h")
   set_source_files_properties("${HB_VERSION_H}" PROPERTIES GENERATED true)
   configure_file("${HB_VERSION_H_IN}" "${HB_VERSION_H}.tmp" @ONLY)
   execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different
     "${HB_VERSION_H}.tmp"
-    "${HB_VERSION_H}")
+    "${HB_VERSION_H}"
+    )
   file(REMOVE "${HB_VERSION_H}.tmp")
-
-
 endif ()
 
+
 ## Define sources and headers of the project
 set(project_sources
   ${HB_BASE_sources}
@@ -214,7 +230,8 @@ if (HB_BUILTIN_UCDN)
 
   list(APPEND project_sources
     ${PROJECT_SOURCE_DIR}/src/hb-ucdn.cc
-    ${LIBHB_UCDN_sources})
+    ${LIBHB_UCDN_sources}
+    )
 endif ()
 
 if (HB_HAVE_GLIB)
@@ -329,6 +346,20 @@ add_library(harfbuzz ${project_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
 
+## Additional framework build configs
+if (BUILD_FRAMEWORK)
+  set(CMAKE_MACOSX_RPATH ON)
+  set_target_properties(harfbuzz PROPERTIES
+    FRAMEWORK TRUE
+    PUBLIC_HEADER "${project_headers}"
+    XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
+  )
+  set(MACOSX_FRAMEWORK_IDENTIFIER "harfbuzz")
+  set(MACOSX_FRAMEWORK_SHORT_VERSION_STRING "${HB_VERSION}")
+  set(MACOSX_FRAMEWORK_BUNDLE_VERSION "${HB_VERSION}")
+endif ()
+
+
 ## Additional harfbuzz build artifacts
 if (HB_BUILD_UTILS)
   # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindCairo.cmake
@@ -365,5 +396,6 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
     ARCHIVE DESTINATION lib
     LIBRARY DESTINATION lib
     RUNTIME DESTINATION bin
+    FRAMEWORK DESTINATION Library/Frameworks
     )
 endif ()

From 1817221620dce713aae67352568ebcc231ab9512 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 16 May 2017 14:26:28 -0700
Subject: [PATCH 0310/1326] Minor

---
 src/hb-atomic-private.hh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-atomic-private.hh b/src/hb-atomic-private.hh
index 100ba539e..2d5675792 100644
--- a/src/hb-atomic-private.hh
+++ b/src/hb-atomic-private.hh
@@ -124,13 +124,13 @@ typedef unsigned int hb_atomic_int_impl_t;
 #include <builtins.h>
 
 
-static inline int hb_fetch_and_add(volatile int* AI, unsigned int V) {
+static inline int _hb_fetch_and_add(volatile int* AI, unsigned int V) {
   __lwsync();
   int result = __fetch_and_add(AI, V);
   __isync();
   return result;
 }
-static inline int hb_compare_and_swaplp(volatile long* P, long O, long N) {
+static inline int _hb_compare_and_swaplp(volatile long* P, long O, long N) {
   __sync();
   int result = __compare_and_swaplp (P, &O, N);
   __sync();
@@ -139,10 +139,10 @@ static inline int hb_compare_and_swaplp(volatile long* P, long O, long N) {
 
 typedef int hb_atomic_int_impl_t;
 #define HB_ATOMIC_INT_IMPL_INIT(V) (V)
-#define hb_atomic_int_impl_add(AI, V)           hb_fetch_and_add (&(AI), (V))
+#define hb_atomic_int_impl_add(AI, V)           _hb_fetch_and_add (&(AI), (V))
 
 #define hb_atomic_ptr_impl_get(P)               (__sync(), (void *) *(P))
-#define hb_atomic_ptr_impl_cmpexch(P,O,N)       hb_compare_and_swaplp ((long*)(P), (long)(O), (long)(N))
+#define hb_atomic_ptr_impl_cmpexch(P,O,N)       _hb_compare_and_swaplp ((long*)(P), (long)(O), (long)(N))
 
 #elif !defined(HB_NO_MT)
 

From 06cfe3f7369684fc05fa16da7f6778350f8bcba5 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 17 May 2017 21:32:47 +0300
Subject: [PATCH 0311/1326] Do not skip TAG characters in glyph substitution
 (#487)

Hide them like Mongolian Free Variation Selectors instead.

Fixes https://github.com/behdad/harfbuzz/issues/463
---
 src/hb-ot-layout-gsubgpos-private.hh             |   2 +-
 src/hb-ot-layout-private.hh                      |  13 +++++++++----
 test/shaping/Makefile.am                         |   1 +
 .../53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf | Bin 0 -> 5044 bytes
 test/shaping/tests/emoji-flag-tags.tests         |   2 ++
 5 files changed, 13 insertions(+), 5 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf
 create mode 100644 test/shaping/tests/emoji-flag-tags.tests

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 921859a66..f77f5d98b 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -319,7 +319,7 @@ struct hb_apply_context_t :
       if (!c->check_glyph_property (&info, lookup_props))
 	return SKIP_YES;
 
-      if (unlikely (_hb_glyph_info_is_default_ignorable_and_not_fvs (&info) &&
+      if (unlikely (_hb_glyph_info_is_default_ignorable_and_not_hidden (&info) &&
 		    (ignore_zwnj || !_hb_glyph_info_is_zwnj (&info)) &&
 		    (ignore_zwj || !_hb_glyph_info_is_zwj (&info))))
 	return SKIP_MAYBE;
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 071a439d6..b476339e1 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -240,7 +240,8 @@ _next_syllable (hb_buffer_t *buffer, unsigned int start)
 enum hb_unicode_props_flags_t {
   UPROPS_MASK_GEN_CAT	= 0x001Fu,
   UPROPS_MASK_IGNORABLE	= 0x0020u,
-  UPROPS_MASK_FVS	= 0x0040u, /* MONGOLIAN FREE VARIATION SELECTOR 1..3 */
+  UPROPS_MASK_HIDDEN	= 0x0040u, /* MONGOLIAN FREE VARIATION SELECTOR 1..3,
+                                    * or TAG characters */
 
   /* If GEN_CAT=FORMAT, top byte masks: */
   UPROPS_MASK_Cf_ZWJ	= 0x0100u,
@@ -273,7 +274,11 @@ _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
        * Fixes:
        * https://github.com/behdad/harfbuzz/issues/234
        */
-      if (unlikely (hb_in_range (u, 0x180Bu, 0x180Du))) props |= UPROPS_MASK_FVS;
+      if (unlikely (hb_in_range (u, 0x180Bu, 0x180Du))) props |= UPROPS_MASK_HIDDEN;
+      /* TAG characters need similar treatment. Fixes:
+       * https://github.com/behdad/harfbuzz/issues/463
+       */
+      if (unlikely (hb_in_range (u, 0xE0020u, 0xE007Fu))) props |= UPROPS_MASK_HIDDEN;
     }
     else if (unlikely (HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK_OR_MODIFIER_SYMBOL (gen_cat)))
     {
@@ -373,9 +378,9 @@ _hb_glyph_info_is_default_ignorable (const hb_glyph_info_t *info)
 	 !_hb_glyph_info_ligated (info);
 }
 static inline hb_bool_t
-_hb_glyph_info_is_default_ignorable_and_not_fvs (const hb_glyph_info_t *info)
+_hb_glyph_info_is_default_ignorable_and_not_hidden (const hb_glyph_info_t *info)
 {
-  return ((info->unicode_props() & (UPROPS_MASK_IGNORABLE|UPROPS_MASK_FVS))
+  return ((info->unicode_props() & (UPROPS_MASK_IGNORABLE|UPROPS_MASK_HIDDEN))
 	  == UPROPS_MASK_IGNORABLE) &&
 	 !_hb_glyph_info_ligated (info);
 }
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 89578e10b..ab25a50a0 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -50,6 +50,7 @@ TESTS = \
 	tests/context-matching.tests \
 	tests/cursive-positioning.tests \
 	tests/default-ignorables.tests \
+	tests/emoji-flag-tags.tests \
 	tests/fallback-positioning.tests \
 	tests/fuzzed.tests \
 	tests/hangul-jamo.tests \
diff --git a/test/shaping/fonts/sha1sum/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf b/test/shaping/fonts/sha1sum/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..d7f2bdb0893644696453aae7bcdbe6e5862a6e40
GIT binary patch
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diff --git a/test/shaping/tests/emoji-flag-tags.tests b/test/shaping/tests/emoji-flag-tags.tests
new file mode 100644
index 000000000..9b6da778b
--- /dev/null
+++ b/test/shaping/tests/emoji-flag-tags.tests
@@ -0,0 +1,2 @@
+fonts/sha1sum/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf::U+1F3F4,U+E0055,U+E0053,U+E0064,U+E0065,U+E007F:[u1F3F4=0+2126|space=1+0|space=2+0|space=3+0|space=4+0|space=5+0]
+fonts/sha1sum/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf::U+1F3F4,U+E0064,U+E0065,U+E007F:[de=0+3200]

From 92e2c4baafa0401cb8d7dd2bbd70acfaeaf2aabf Mon Sep 17 00:00:00 2001
From: Sebastian Rasmussen <sebras@gmail.com>
Date: Mon, 29 May 2017 12:53:30 -0500
Subject: [PATCH 0312/1326] Avoid using strdup inside library. (#488)

If an application provides a malloc replacement through
hb_malloc_impl() it is important that it is used to allocate
everything, but the use of strdup() circumvents this and
causes system malloc() to be called instead. This pairs
badly with the custom hb_free_impl() being called later.
---
 src/hb-common.cc  | 8 +++++++-
 src/hb-private.hh | 4 ----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 39006237a..daba0c553 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -221,7 +221,13 @@ struct hb_language_item_t {
   }
 
   inline hb_language_item_t & operator = (const char *s) {
-    lang = (hb_language_t) strdup (s);
+    /* If a custom allocated is used calling strdup() pairs
+    badly with a call to the custom free() in finish() below.
+    Therefore don't call strdup(), implement its behavior.
+    */
+    size_t len = strlen(s) + 1;
+    lang = (hb_language_t) malloc(len);
+    memcpy((unsigned char *) lang, s, len);
     for (unsigned char *p = (unsigned char *) lang; *p; p++)
       *p = canon_map[*p];
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 666af6260..3595edee3 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -168,7 +168,6 @@ extern "C" void  hb_free_impl(void *ptr);
 
 #  if defined(_WIN32_WCE)
      /* Some things not defined on Windows CE. */
-#    define strdup _strdup
 #    define vsnprintf _vsnprintf
 #    define getenv(Name) NULL
 #    if _WIN32_WCE < 0x800
@@ -180,9 +179,6 @@ static int errno = 0; /* Use something better? */
 #  endif
 #  if defined(_MSC_VER) && _MSC_VER < 1900
 #    define snprintf _snprintf
-#  elif defined(_MSC_VER) && _MSC_VER >= 1900
-#    /* Covers VC++ Error for strdup being a deprecated POSIX name and to instead use _strdup instead */
-#    define strdup _strdup
 #  endif
 #endif
 

From 7dba30639a6f62803dfc21706bc7c654799f373e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 1 Jun 2017 11:44:42 -0400
Subject: [PATCH 0313/1326] Handle allocation failure in hb-language code

---
 src/hb-common.cc | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index daba0c553..4716cfb38 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -227,9 +227,12 @@ struct hb_language_item_t {
     */
     size_t len = strlen(s) + 1;
     lang = (hb_language_t) malloc(len);
-    memcpy((unsigned char *) lang, s, len);
-    for (unsigned char *p = (unsigned char *) lang; *p; p++)
-      *p = canon_map[*p];
+    if (likely (lang))
+    {
+      memcpy((unsigned char *) lang, s, len);
+      for (unsigned char *p = (unsigned char *) lang; *p; p++)
+	*p = canon_map[*p];
+    }
 
     return *this;
   }
@@ -271,6 +274,11 @@ retry:
     return NULL;
   lang->next = first_lang;
   *lang = key;
+  if (unlikely (!lang->lang))
+  {
+    free (lang);
+    return NULL;
+  }
 
   if (!hb_atomic_ptr_cmpexch (&langs, first_lang, lang)) {
     lang->finish ();

From 76c4873e8cad2871d2d547318d371b9a89d8c806 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 2 Jun 2017 21:53:10 +0430
Subject: [PATCH 0314/1326] Support branch prediction helpers on clang compiles
 (#491)

---
 src/hb-private.hh | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 3595edee3..b5dccc556 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -74,10 +74,9 @@ extern "C" void  hb_free_impl(void *ptr);
 /* Compiler attributes */
 
 
-#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
-#define _HB_BOOLEAN_EXPR(expr) ((expr) ? 1 : 0)
-#define likely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 1))
-#define unlikely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 0))
+#if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__)
+#define likely(expr) (__builtin_expect (!!(expr), 1))
+#define unlikely(expr) (__builtin_expect (!!(expr), 0))
 #else
 #define likely(expr) (expr)
 #define unlikely(expr) (expr)

From 3b0e47ca006b8fe6a24ace72dd931e3649bb8e6f Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 19 Jun 2017 14:47:09 +0430
Subject: [PATCH 0315/1326] Fix arm-none-eabi build (fixes #451) (#496)

---
 CMakeLists.txt                          |  4 +--
 src/hb-buffer.cc                        |  4 +--
 src/hb-common.cc                        | 28 +++++++++++++++--
 src/hb-ot-font.cc                       |  2 +-
 src/hb-ot-layout.cc                     |  2 +-
 src/hb-ot-shape-complex-arabic-table.hh | 14 ++++-----
 src/hb-ot-shape-complex-arabic.cc       |  2 +-
 src/hb-ot-shape-complex-hangul.cc       | 16 +++++-----
 src/hb-ot-shape-complex-indic-table.cc  | 22 ++++++-------
 src/hb-ot-shape-complex-indic.cc        | 12 +++----
 src/hb-ot-shape-complex-myanmar.cc      |  2 +-
 src/hb-ot-shape-complex-thai.cc         | 12 +++----
 src/hb-ot-shape-complex-use-table.cc    | 42 ++++++++++++-------------
 src/hb-unicode-private.hh               | 16 +++++-----
 src/hb-utf-private.hh                   | 18 +++++------
 15 files changed, 110 insertions(+), 86 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b25cac0d7..ee3135667 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,7 +71,7 @@ endif ()
 
 ## Detect if we are running inside a distribution or regular repository folder
 set(IN_HB_DIST FALSE)
-if (EXISTS "${PROJECT_SOURCE_DIR}/src/hb-version.h")
+if (EXISTS "${PROJECT_SOURCE_DIR}/ChangeLog")
   # perhaps we are on dist directory
   set(IN_HB_DIST TRUE)
   set(HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
@@ -128,7 +128,7 @@ set(HB_VERSION_MICRO ${CMAKE_MATCH_4})
 
 ## Define ragel tasks
 if (NOT IN_HB_DIST)
-  find_program(RAGEL "ragel")
+  find_program(RAGEL "ragel" CMAKE_FIND_ROOT_PATH_BOTH)
 
   if (RAGEL)
     message(STATUS "ragel found at: ${RAGEL}")
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 3940a3dbf..3777f7f8f 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -552,7 +552,7 @@ hb_buffer_t::merge_clusters_impl (unsigned int start,
   if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
     return;
 
-  unsigned int cluster = info[start].cluster;
+  uint32_t cluster = info[start].cluster;
 
   for (unsigned int i = start + 1; i < end; i++)
     cluster = MIN (cluster, info[i].cluster);
@@ -583,7 +583,7 @@ hb_buffer_t::merge_out_clusters (unsigned int start,
   if (unlikely (end - start < 2))
     return;
 
-  unsigned int cluster = out_info[start].cluster;
+  uint32_t cluster = out_info[start].cluster;
 
   for (unsigned int i = start + 1; i < end; i++)
     cluster = MIN (cluster, out_info[i].cluster);
diff --git a/src/hb-common.cc b/src/hb-common.cc
index 4716cfb38..0483816d3 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -670,6 +670,30 @@ parse_uint (const char **pp, const char *end, unsigned int *pv)
   return true;
 }
 
+static bool
+parse_uint32 (const char **pp, const char *end, uint32_t *pv)
+{
+  char buf[32];
+  unsigned int len = MIN (ARRAY_LENGTH (buf) - 1, (unsigned int) (end - *pp));
+  strncpy (buf, *pp, len);
+  buf[len] = '\0';
+
+  char *p = buf;
+  char *pend = p;
+  unsigned int v;
+
+  /* Intentionally use strtol instead of strtoul, such that
+   * -1 turns into "big number"... */
+  errno = 0;
+  v = strtol (p, &pend, 0);
+  if (errno || p == pend)
+    return false;
+
+  *pv = v;
+  *pp += pend - p;
+  return true;
+}
+
 static bool
 parse_float (const char **pp, const char *end, float *pv)
 {
@@ -693,7 +717,7 @@ parse_float (const char **pp, const char *end, float *pv)
 }
 
 static bool
-parse_bool (const char **pp, const char *end, unsigned int *pv)
+parse_bool (const char **pp, const char *end, uint32_t *pv)
 {
   parse_space (pp, end);
 
@@ -792,7 +816,7 @@ static bool
 parse_feature_value_postfix (const char **pp, const char *end, hb_feature_t *feature)
 {
   bool had_equal = parse_char (pp, end, '=');
-  bool had_value = parse_uint (pp, end, &feature->value) ||
+  bool had_value = parse_uint32 (pp, end, &feature->value) ||
                    parse_bool (pp, end, &feature->value);
   /* CSS doesn't use equal-sign between tag and value.
    * If there was an equal-sign, then there *must* be a value.
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 009db20ae..2ce29cdff 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -138,7 +138,7 @@ struct hb_ot_face_metrics_accelerator_t
 	return this->default_advance;
     }
 
-    return this->table->longMetric[MIN (glyph, this->num_advances - 1)].advance
+    return this->table->longMetric[MIN (glyph, (uint32_t) this->num_advances - 1)].advance
 	 + this->var->get_advance_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
   }
 };
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 7f4e01844..5b781a728 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -279,7 +279,7 @@ hb_ot_layout_get_ligature_carets (hb_font_t      *font,
 				  hb_codepoint_t  glyph,
 				  unsigned int    start_offset,
 				  unsigned int   *caret_count /* IN/OUT */,
-				  int            *caret_array /* OUT */)
+				  hb_position_t  *caret_array /* OUT */)
 {
   return _get_gdef (font->face).get_lig_carets (font, direction, glyph, start_offset, caret_count, caret_array);
 }
diff --git a/src/hb-ot-shape-complex-arabic-table.hh b/src/hb-ot-shape-complex-arabic-table.hh
index 736c7f76b..228f36659 100644
--- a/src/hb-ot-shape-complex-arabic-table.hh
+++ b/src/hb-ot-shape-complex-arabic-table.hh
@@ -139,28 +139,28 @@ joining_type (hb_codepoint_t u)
   switch (u >> 12)
   {
     case 0x0u:
-      if (hb_in_range (u, 0x0600u, 0x08E2u)) return joining_table[u - 0x0600u + joining_offset_0x0600u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x0600u, 0x08E2u)) return joining_table[u - 0x0600u + joining_offset_0x0600u];
       break;
 
     case 0x1u:
-      if (hb_in_range (u, 0x1806u, 0x18AAu)) return joining_table[u - 0x1806u + joining_offset_0x1806u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1806u, 0x18AAu)) return joining_table[u - 0x1806u + joining_offset_0x1806u];
       break;
 
     case 0x2u:
-      if (hb_in_range (u, 0x200Cu, 0x2069u)) return joining_table[u - 0x200Cu + joining_offset_0x200cu];
+      if (hb_in_range<hb_codepoint_t> (u, 0x200Cu, 0x2069u)) return joining_table[u - 0x200Cu + joining_offset_0x200cu];
       break;
 
     case 0xAu:
-      if (hb_in_range (u, 0xA840u, 0xA873u)) return joining_table[u - 0xA840u + joining_offset_0xa840u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xA840u, 0xA873u)) return joining_table[u - 0xA840u + joining_offset_0xa840u];
       break;
 
     case 0x10u:
-      if (hb_in_range (u, 0x10AC0u, 0x10AEFu)) return joining_table[u - 0x10AC0u + joining_offset_0x10ac0u];
-      if (hb_in_range (u, 0x10B80u, 0x10BAFu)) return joining_table[u - 0x10B80u + joining_offset_0x10b80u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x10AC0u, 0x10AEFu)) return joining_table[u - 0x10AC0u + joining_offset_0x10ac0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x10B80u, 0x10BAFu)) return joining_table[u - 0x10B80u + joining_offset_0x10b80u];
       break;
 
     case 0x1Eu:
-      if (hb_in_range (u, 0x1E900u, 0x1E943u)) return joining_table[u - 0x1E900u + joining_offset_0x1e900u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1E900u, 0x1E943u)) return joining_table[u - 0x1E900u + joining_offset_0x1e900u];
       break;
 
     default:
diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 57ffc1dc5..c6609c575 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -345,7 +345,7 @@ mongolian_variation_selectors (hb_buffer_t *buffer)
   unsigned int count = buffer->len;
   hb_glyph_info_t *info = buffer->info;
   for (unsigned int i = 1; i < count; i++)
-    if (unlikely (hb_in_range (info[i].codepoint, 0x180Bu, 0x180Du)))
+    if (unlikely (hb_in_range<hb_codepoint_t> (info[i].codepoint, 0x180Bu, 0x180Du)))
       info[i].arabic_shaping_action() = info[i - 1].arabic_shaping_action();
 }
 
diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index af5056522..23e07e59f 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -105,16 +105,16 @@ data_destroy_hangul (void *data)
 #define NCount (VCount * TCount)
 #define SCount (LCount * NCount)
 
-#define isCombiningL(u) (hb_in_range ((u), LBase, LBase+LCount-1))
-#define isCombiningV(u) (hb_in_range ((u), VBase, VBase+VCount-1))
-#define isCombiningT(u) (hb_in_range ((u), TBase+1, TBase+TCount-1))
-#define isCombinedS(u) (hb_in_range ((u), SBase, SBase+SCount-1))
+#define isCombiningL(u) (hb_in_range<hb_codepoint_t> ((u), LBase, LBase+LCount-1))
+#define isCombiningV(u) (hb_in_range<hb_codepoint_t> ((u), VBase, VBase+VCount-1))
+#define isCombiningT(u) (hb_in_range<hb_codepoint_t> ((u), TBase+1, TBase+TCount-1))
+#define isCombinedS(u) (hb_in_range<hb_codepoint_t> ((u), SBase, SBase+SCount-1))
 
-#define isL(u) (hb_in_ranges ((u), 0x1100u, 0x115Fu, 0xA960u, 0xA97Cu))
-#define isV(u) (hb_in_ranges ((u), 0x1160u, 0x11A7u, 0xD7B0u, 0xD7C6u))
-#define isT(u) (hb_in_ranges ((u), 0x11A8u, 0x11FFu, 0xD7CBu, 0xD7FBu))
+#define isL(u) (hb_in_ranges<hb_codepoint_t> ((u), 0x1100u, 0x115Fu, 0xA960u, 0xA97Cu))
+#define isV(u) (hb_in_ranges<hb_codepoint_t> ((u), 0x1160u, 0x11A7u, 0xD7B0u, 0xD7C6u))
+#define isT(u) (hb_in_ranges<hb_codepoint_t> ((u), 0x11A8u, 0x11FFu, 0xD7CBu, 0xD7FBu))
 
-#define isHangulTone(u) (hb_in_range ((u), 0x302Eu, 0x302Fu))
+#define isHangulTone(u) (hb_in_range<hb_codepoint_t> ((u), 0x302Eu, 0x302Fu))
 
 /* buffer var allocations */
 #define hangul_shaping_feature() complex_var_u8_0() /* hangul jamo shaping feature */
diff --git a/src/hb-ot-shape-complex-indic-table.cc b/src/hb-ot-shape-complex-indic-table.cc
index e10a4d25f..3bf5285e6 100644
--- a/src/hb-ot-shape-complex-indic-table.cc
+++ b/src/hb-ot-shape-complex-indic-table.cc
@@ -398,28 +398,28 @@ hb_indic_get_categories (hb_codepoint_t u)
   switch (u >> 12)
   {
     case 0x0u:
-      if (hb_in_range (u, 0x0028u, 0x003Fu)) return indic_table[u - 0x0028u + indic_offset_0x0028u];
-      if (hb_in_range (u, 0x00B0u, 0x00D7u)) return indic_table[u - 0x00B0u + indic_offset_0x00b0u];
-      if (hb_in_range (u, 0x0900u, 0x0DF7u)) return indic_table[u - 0x0900u + indic_offset_0x0900u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x0028u, 0x003Fu)) return indic_table[u - 0x0028u + indic_offset_0x0028u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x00B0u, 0x00D7u)) return indic_table[u - 0x00B0u + indic_offset_0x00b0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x0900u, 0x0DF7u)) return indic_table[u - 0x0900u + indic_offset_0x0900u];
       if (unlikely (u == 0x00A0u)) return _(CP,x);
       break;
 
     case 0x1u:
-      if (hb_in_range (u, 0x1000u, 0x109Fu)) return indic_table[u - 0x1000u + indic_offset_0x1000u];
-      if (hb_in_range (u, 0x1780u, 0x17EFu)) return indic_table[u - 0x1780u + indic_offset_0x1780u];
-      if (hb_in_range (u, 0x1CD0u, 0x1CFFu)) return indic_table[u - 0x1CD0u + indic_offset_0x1cd0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1000u, 0x109Fu)) return indic_table[u - 0x1000u + indic_offset_0x1000u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1780u, 0x17EFu)) return indic_table[u - 0x1780u + indic_offset_0x1780u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1CD0u, 0x1CFFu)) return indic_table[u - 0x1CD0u + indic_offset_0x1cd0u];
       break;
 
     case 0x2u:
-      if (hb_in_range (u, 0x2008u, 0x2017u)) return indic_table[u - 0x2008u + indic_offset_0x2008u];
-      if (hb_in_range (u, 0x2070u, 0x2087u)) return indic_table[u - 0x2070u + indic_offset_0x2070u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2017u)) return indic_table[u - 0x2008u + indic_offset_0x2008u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x2070u, 0x2087u)) return indic_table[u - 0x2070u + indic_offset_0x2070u];
       if (unlikely (u == 0x25CCu)) return _(CP,x);
       break;
 
     case 0xAu:
-      if (hb_in_range (u, 0xA8E0u, 0xA8F7u)) return indic_table[u - 0xA8E0u + indic_offset_0xa8e0u];
-      if (hb_in_range (u, 0xA9E0u, 0xA9FFu)) return indic_table[u - 0xA9E0u + indic_offset_0xa9e0u];
-      if (hb_in_range (u, 0xAA60u, 0xAA7Fu)) return indic_table[u - 0xAA60u + indic_offset_0xaa60u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xA8E0u, 0xA8F7u)) return indic_table[u - 0xA8E0u + indic_offset_0xa8e0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xA9E0u, 0xA9FFu)) return indic_table[u - 0xA9E0u + indic_offset_0xa9e0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xAA60u, 0xAA7Fu)) return indic_table[u - 0xAA60u + indic_offset_0xaa60u];
       break;
 
     case 0x11u:
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index ec12ce69e..cbc46c8c6 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -177,15 +177,15 @@ set_indic_properties (hb_glyph_info_t &info)
    */
 
   /* The following act more like the Bindus. */
-  if (unlikely (hb_in_range (u, 0x0953u, 0x0954u)))
+  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
     cat = OT_SM;
   /* The following act like consonants. */
-  else if (unlikely (hb_in_ranges (u, 0x0A72u, 0x0A73u,
+  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
 				      0x1CF5u, 0x1CF6u)))
     cat = OT_C;
   /* TODO: The following should only be allowed after a Visarga.
    * For now, just treat them like regular tone marks. */
-  else if (unlikely (hb_in_range (u, 0x1CE2u, 0x1CE8u)))
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
     cat = OT_A;
   /* TODO: The following should only be allowed after some of
    * the nasalization marks, maybe only for U+1CE9..U+1CF1.
@@ -193,7 +193,7 @@ set_indic_properties (hb_glyph_info_t &info)
   else if (unlikely (u == 0x1CEDu))
     cat = OT_A;
   /* The following take marks in standalone clusters, similar to Avagraha. */
-  else if (unlikely (hb_in_ranges (u, 0xA8F2u, 0xA8F7u,
+  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
 				      0x1CE9u, 0x1CECu,
 				      0x1CEEu, 0x1CF1u)))
   {
@@ -201,7 +201,7 @@ set_indic_properties (hb_glyph_info_t &info)
     ASSERT_STATIC ((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol);
   }
   else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
-  else if (unlikely (hb_in_range (u, 0x2010u, 0x2011u)))
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
 				    cat = OT_PLACEHOLDER;
   else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
 
@@ -1738,7 +1738,7 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
 #endif
   }
 
-  if ((ab == 0x0DDAu || hb_in_range (ab, 0x0DDCu, 0x0DDEu)))
+  if ((ab == 0x0DDAu || hb_in_range<hb_codepoint_t> (ab, 0x0DDCu, 0x0DDEu)))
   {
     /*
      * Sinhala split matras...  Let the fun begin.
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index bb68622e2..4e912c361 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -175,7 +175,7 @@ set_myanmar_properties (hb_glyph_info_t &info)
   /* Myanmar
    * http://www.microsoft.com/typography/OpenTypeDev/myanmar/intro.htm#analyze
    */
-  if (unlikely (hb_in_range (u, 0xFE00u, 0xFE0Fu)))
+  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu)))
     cat = (indic_category_t) OT_VS;
 
   switch (u)
diff --git a/src/hb-ot-shape-complex-thai.cc b/src/hb-ot-shape-complex-thai.cc
index e6f80f59e..e75b35379 100644
--- a/src/hb-ot-shape-complex-thai.cc
+++ b/src/hb-ot-shape-complex-thai.cc
@@ -52,7 +52,7 @@ get_consonant_type (hb_codepoint_t u)
     return RC;
   if (u == 0x0E0Eu || u == 0x0E0Fu)
     return DC;
-  if (hb_in_range (u, 0x0E01u, 0x0E2Eu))
+  if (hb_in_range<hb_codepoint_t> (u, 0x0E01u, 0x0E2Eu))
     return NC;
   return NOT_CONSONANT;
 }
@@ -70,12 +70,12 @@ enum thai_mark_type_t
 static thai_mark_type_t
 get_mark_type (hb_codepoint_t u)
 {
-  if (u == 0x0E31u || hb_in_range (u, 0x0E34u, 0x0E37u) ||
-      u == 0x0E47u || hb_in_range (u, 0x0E4Du, 0x0E4Eu))
+  if (u == 0x0E31u || hb_in_range<hb_codepoint_t> (u, 0x0E34u, 0x0E37u) ||
+      u == 0x0E47u || hb_in_range<hb_codepoint_t> (u, 0x0E4Du, 0x0E4Eu))
     return AV;
-  if (hb_in_range (u, 0x0E38u, 0x0E3Au))
+  if (hb_in_range<hb_codepoint_t> (u, 0x0E38u, 0x0E3Au))
     return BV;
-  if (hb_in_range (u, 0x0E48u, 0x0E4Cu))
+  if (hb_in_range<hb_codepoint_t> (u, 0x0E48u, 0x0E4Cu))
     return T;
   return NOT_MARK;
 }
@@ -310,7 +310,7 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
 #define IS_SARA_AM(x) (((x) & ~0x0080u) == 0x0E33u)
 #define NIKHAHIT_FROM_SARA_AM(x) ((x) - 0x0E33u + 0x0E4Du)
 #define SARA_AA_FROM_SARA_AM(x) ((x) - 1)
-#define IS_TONE_MARK(x) (hb_in_ranges ((x) & ~0x0080u, 0x0E34u, 0x0E37u, 0x0E47u, 0x0E4Eu, 0x0E31u, 0x0E31u))
+#define IS_TONE_MARK(x) (hb_in_ranges<hb_codepoint_t> ((x) & ~0x0080u, 0x0E34u, 0x0E37u, 0x0E47u, 0x0E4Eu, 0x0E31u, 0x0E31u))
 
   buffer->clear_output ();
   unsigned int count = buffer->len;
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index 38c46d002..416d74815 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -644,47 +644,47 @@ hb_use_get_categories (hb_codepoint_t u)
   switch (u >> 12)
   {
     case 0x0u:
-      if (hb_in_range (u, 0x0028u, 0x003Fu)) return use_table[u - 0x0028u + use_offset_0x0028u];
-      if (hb_in_range (u, 0x00A0u, 0x00D7u)) return use_table[u - 0x00A0u + use_offset_0x00a0u];
-      if (hb_in_range (u, 0x0900u, 0x0DF7u)) return use_table[u - 0x0900u + use_offset_0x0900u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x0028u, 0x003Fu)) return use_table[u - 0x0028u + use_offset_0x0028u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x00A0u, 0x00D7u)) return use_table[u - 0x00A0u + use_offset_0x00a0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x0900u, 0x0DF7u)) return use_table[u - 0x0900u + use_offset_0x0900u];
       if (unlikely (u == 0x034Fu)) return CGJ;
       break;
 
     case 0x1u:
-      if (hb_in_range (u, 0x1000u, 0x109Fu)) return use_table[u - 0x1000u + use_offset_0x1000u];
-      if (hb_in_range (u, 0x1700u, 0x17EFu)) return use_table[u - 0x1700u + use_offset_0x1700u];
-      if (hb_in_range (u, 0x1900u, 0x1A9Fu)) return use_table[u - 0x1900u + use_offset_0x1900u];
-      if (hb_in_range (u, 0x1B00u, 0x1C4Fu)) return use_table[u - 0x1B00u + use_offset_0x1b00u];
-      if (hb_in_range (u, 0x1CD0u, 0x1CFFu)) return use_table[u - 0x1CD0u + use_offset_0x1cd0u];
-      if (hb_in_range (u, 0x1DF8u, 0x1DFFu)) return use_table[u - 0x1DF8u + use_offset_0x1df8u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1000u, 0x109Fu)) return use_table[u - 0x1000u + use_offset_0x1000u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1700u, 0x17EFu)) return use_table[u - 0x1700u + use_offset_0x1700u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1900u, 0x1A9Fu)) return use_table[u - 0x1900u + use_offset_0x1900u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1B00u, 0x1C4Fu)) return use_table[u - 0x1B00u + use_offset_0x1b00u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1CD0u, 0x1CFFu)) return use_table[u - 0x1CD0u + use_offset_0x1cd0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1DF8u, 0x1DFFu)) return use_table[u - 0x1DF8u + use_offset_0x1df8u];
       break;
 
     case 0x2u:
-      if (hb_in_range (u, 0x2008u, 0x2017u)) return use_table[u - 0x2008u + use_offset_0x2008u];
-      if (hb_in_range (u, 0x2060u, 0x2087u)) return use_table[u - 0x2060u + use_offset_0x2060u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2017u)) return use_table[u - 0x2008u + use_offset_0x2008u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x2060u, 0x2087u)) return use_table[u - 0x2060u + use_offset_0x2060u];
       if (unlikely (u == 0x25CCu)) return GB;
       break;
 
     case 0xAu:
-      if (hb_in_range (u, 0xA800u, 0xAAF7u)) return use_table[u - 0xA800u + use_offset_0xa800u];
-      if (hb_in_range (u, 0xABC0u, 0xABFFu)) return use_table[u - 0xABC0u + use_offset_0xabc0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xA800u, 0xAAF7u)) return use_table[u - 0xA800u + use_offset_0xa800u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xABC0u, 0xABFFu)) return use_table[u - 0xABC0u + use_offset_0xabc0u];
       break;
 
     case 0xFu:
-      if (hb_in_range (u, 0xFE00u, 0xFE0Fu)) return use_table[u - 0xFE00u + use_offset_0xfe00u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu)) return use_table[u - 0xFE00u + use_offset_0xfe00u];
       break;
 
     case 0x10u:
-      if (hb_in_range (u, 0x10A00u, 0x10A47u)) return use_table[u - 0x10A00u + use_offset_0x10a00u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x10A00u, 0x10A47u)) return use_table[u - 0x10A00u + use_offset_0x10a00u];
       break;
 
     case 0x11u:
-      if (hb_in_range (u, 0x11000u, 0x110BFu)) return use_table[u - 0x11000u + use_offset_0x11000u];
-      if (hb_in_range (u, 0x11100u, 0x1123Fu)) return use_table[u - 0x11100u + use_offset_0x11100u];
-      if (hb_in_range (u, 0x11280u, 0x11377u)) return use_table[u - 0x11280u + use_offset_0x11280u];
-      if (hb_in_range (u, 0x11400u, 0x114DFu)) return use_table[u - 0x11400u + use_offset_0x11400u];
-      if (hb_in_range (u, 0x11580u, 0x1173Fu)) return use_table[u - 0x11580u + use_offset_0x11580u];
-      if (hb_in_range (u, 0x11C00u, 0x11CB7u)) return use_table[u - 0x11C00u + use_offset_0x11c00u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11000u, 0x110BFu)) return use_table[u - 0x11000u + use_offset_0x11000u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11100u, 0x1123Fu)) return use_table[u - 0x11100u + use_offset_0x11100u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11280u, 0x11377u)) return use_table[u - 0x11280u + use_offset_0x11280u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11400u, 0x114DFu)) return use_table[u - 0x11400u + use_offset_0x11400u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11580u, 0x1173Fu)) return use_table[u - 0x11580u + use_offset_0x11580u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11C00u, 0x11CB7u)) return use_table[u - 0x11C00u + use_offset_0x11c00u];
       if (unlikely (u == 0x1107Fu)) return HN;
       break;
 
diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index a4d118b6d..75b55c023 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -126,7 +126,7 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
   {
     /* U+180B..180D MONGOLIAN FREE VARIATION SELECTORs are handled in the
      * Arabic shaper.  No need to match them here. */
-    return unlikely (hb_in_ranges (unicode,
+    return unlikely (hb_in_ranges<hb_codepoint_t> (unicode,
 				   0xFE00u, 0xFE0Fu, /* VARIATION SELECTOR-1..16 */
 				   0xE0100u, 0xE01EFu));  /* VARIATION SELECTOR-17..256 */
   }
@@ -179,13 +179,13 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
 	case 0x00: return unlikely (ch == 0x00ADu);
 	case 0x03: return unlikely (ch == 0x034Fu);
 	case 0x06: return unlikely (ch == 0x061Cu);
-	case 0x17: return hb_in_range (ch, 0x17B4u, 0x17B5u);
-	case 0x18: return hb_in_range (ch, 0x180Bu, 0x180Eu);
-	case 0x20: return hb_in_ranges (ch, 0x200Bu, 0x200Fu,
+	case 0x17: return hb_in_range<hb_codepoint_t> (ch, 0x17B4u, 0x17B5u);
+	case 0x18: return hb_in_range<hb_codepoint_t> (ch, 0x180Bu, 0x180Eu);
+	case 0x20: return hb_in_ranges<hb_codepoint_t> (ch, 0x200Bu, 0x200Fu,
 					    0x202Au, 0x202Eu,
 					    0x2060u, 0x206Fu);
-	case 0xFE: return hb_in_range (ch, 0xFE00u, 0xFE0Fu) || ch == 0xFEFFu;
-	case 0xFF: return hb_in_range (ch, 0xFFF0u, 0xFFF8u);
+	case 0xFE: return hb_in_range<hb_codepoint_t> (ch, 0xFE00u, 0xFE0Fu) || ch == 0xFEFFu;
+	case 0xFF: return hb_in_range<hb_codepoint_t> (ch, 0xFFF0u, 0xFFF8u);
 	default: return false;
       }
     }
@@ -193,9 +193,9 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
     {
       /* Other planes */
       switch (plane) {
-	case 0x01: return hb_in_ranges (ch, 0x1BCA0u, 0x1BCA3u,
+	case 0x01: return hb_in_ranges<hb_codepoint_t> (ch, 0x1BCA0u, 0x1BCA3u,
 					    0x1D173u, 0x1D17Au);
-	case 0x0E: return hb_in_range (ch, 0xE0000u, 0xE0FFFu);
+	case 0x0E: return hb_in_range<hb_codepoint_t> (ch, 0xE0000u, 0xE0FFFu);
 	default: return false;
       }
     }
diff --git a/src/hb-utf-private.hh b/src/hb-utf-private.hh
index 74cf5d66a..211eb4dc0 100644
--- a/src/hb-utf-private.hh
+++ b/src/hb-utf-private.hh
@@ -48,7 +48,7 @@ struct hb_utf8_t
 
     if (c > 0x7Fu)
     {
-      if (hb_in_range (c, 0xC2u, 0xDFu)) /* Two-byte */
+      if (hb_in_range<hb_codepoint_t> (c, 0xC2u, 0xDFu)) /* Two-byte */
       {
 	unsigned int t1;
 	if (likely (text < end &&
@@ -60,7 +60,7 @@ struct hb_utf8_t
 	else
 	  goto error;
       }
-      else if (hb_in_range (c, 0xE0u, 0xEFu)) /* Three-byte */
+      else if (hb_in_range<hb_codepoint_t> (c, 0xE0u, 0xEFu)) /* Three-byte */
       {
 	unsigned int t1, t2;
 	if (likely (1 < end - text &&
@@ -68,14 +68,14 @@ struct hb_utf8_t
 		    (t2 = text[1] - 0x80u) <= 0x3Fu))
 	{
 	  c = ((c&0xFu)<<12) | (t1<<6) | t2;
-	  if (unlikely (c < 0x0800u || hb_in_range (c, 0xD800u, 0xDFFFu)))
+	  if (unlikely (c < 0x0800u || hb_in_range<hb_codepoint_t> (c, 0xD800u, 0xDFFFu)))
 	    goto error;
 	  text += 2;
 	}
 	else
 	  goto error;
       }
-      else if (hb_in_range (c, 0xF0u, 0xF4u)) /* Four-byte */
+      else if (hb_in_range<hb_codepoint_t> (c, 0xF0u, 0xF4u)) /* Four-byte */
       {
 	unsigned int t1, t2, t3;
 	if (likely (2 < end - text &&
@@ -84,7 +84,7 @@ struct hb_utf8_t
 		    (t3 = text[2] - 0x80u) <= 0x3Fu))
 	{
 	  c = ((c&0x7u)<<18) | (t1<<12) | (t2<<6) | t3;
-	  if (unlikely (!hb_in_range (c, 0x10000u, 0x10FFFFu)))
+	  if (unlikely (!hb_in_range<hb_codepoint_t> (c, 0x10000u, 0x10FFFFu)))
 	    goto error;
 	  text += 3;
 	}
@@ -140,7 +140,7 @@ struct hb_utf16_t
   {
     hb_codepoint_t c = *text++;
 
-    if (likely (!hb_in_range (c, 0xD800u, 0xDFFFu)))
+    if (likely (!hb_in_range<hb_codepoint_t> (c, 0xD800u, 0xDFFFu)))
     {
       *unicode = c;
       return text;
@@ -150,7 +150,7 @@ struct hb_utf16_t
     {
       /* High-surrogate in c */
       hb_codepoint_t l = *text;
-      if (likely (hb_in_range (l, 0xDC00u, 0xDFFFu)))
+      if (likely (hb_in_range<hb_codepoint_t> (l, 0xDC00u, 0xDFFFu)))
       {
 	/* Low-surrogate in l */
 	*unicode = (c << 10) + l - ((0xD800u << 10) - 0x10000u + 0xDC00u);
@@ -172,7 +172,7 @@ struct hb_utf16_t
   {
     hb_codepoint_t c = *--text;
 
-    if (likely (!hb_in_range (c, 0xD800u, 0xDFFFu)))
+    if (likely (!hb_in_range<hb_codepoint_t> (c, 0xD800u, 0xDFFFu)))
     {
       *unicode = c;
       return text;
@@ -182,7 +182,7 @@ struct hb_utf16_t
     {
       /* Low-surrogate in c */
       hb_codepoint_t h = text[-1];
-      if (likely (hb_in_range (h, 0xD800u, 0xDBFFu)))
+      if (likely (hb_in_range<hb_codepoint_t> (h, 0xD800u, 0xDBFFu)))
       {
         /* High-surrogate in h */
         *unicode = (h << 10) + c - ((0xD800u << 10) - 0x10000u + 0xDC00u);

From ad52e044bcf733bcc6c0373bafcd78a8c0beb400 Mon Sep 17 00:00:00 2001
From: fanc999 <fanc999@yahoo.com.tw>
Date: Wed, 21 Jun 2017 22:19:57 +0800
Subject: [PATCH 0316/1326] Win32/NMake builds: Support builds from GIT (#498)

Add Python scripts to generate the full win32/config.h.win32 and
src/hb-version.h which can be used to build directly from a GIT
checkout.  Since the scripts are currently intended for building from a
GIT checkout, these are not distributed in the release tarballs.

Also, support the re-build of Ragel-generated .hh headers using the NMake
build system, and allow one to specify the path of the Ragel executable
if a suitable one cannot be found in the PATH.

Update the Win32/NMake build documentation to let people know about how
these mechanisms can be utilized.
---
 win32/README.txt            |  20 +++++-
 win32/build-rules-msvc.mak  |   5 +-
 win32/config-msvc.mak       |   7 ++
 win32/create-lists-msvc.mak |   9 +++
 win32/generate-msvc.mak     |   6 ++
 win32/info-msvc.mak         |   8 ++-
 win32/pc_base.py            | 124 ++++++++++++++++++++++++++++++++++++
 win32/replace.py            | 115 +++++++++++++++++++++++++++++++++
 win32/setup.py              |  62 ++++++++++++++++++
 9 files changed, 353 insertions(+), 3 deletions(-)
 create mode 100644 win32/pc_base.py
 create mode 100644 win32/replace.py
 create mode 100644 win32/setup.py

diff --git a/win32/README.txt b/win32/README.txt
index dc31e8b6d..90554c012 100644
--- a/win32/README.txt
+++ b/win32/README.txt
@@ -11,7 +11,22 @@ backends are enabled, and this is the base configuration that is built if no
 options (see below) are specified.  A 'clean' target is provided-it is recommended
 that one cleans the build and redo the build if any configuration option changed.
 An 'install' target is also provided to copy the built items in their appropriate
-locations under $(PREFIX), which is described below.
+locations under $(PREFIX), which is described below.  A 'reallyclean' target is
+provided that not only does what is done for the 'clean' target, but also removes
+the sources/headers that are generated from the Ragel sources.  Therefore, if one
+is not building from a release tarball, or is rebuilding after using the 'reallyclean'
+target or when the Ragel (*.rl) sources are updated, the Ragel state machine
+compiler (ragel.exe) is needed, and needs to be passed in via RAGEL=<path_to_ragel_exe>
+if ragel.exe is not already in the PATH.
+
+We now support building from a GIT checkout via NMake for convenience.  In addition to
+the requirements as outlined in the later part of this file, you will need to run the
+setup.py (Python 2.7.x or later) script to generate the headers (src\hb-version.h and
+win32\config.h.win32) that are normally shipped in a release tarball before running
+NMake, and you will need to pass RAGEL=<path_to_ragel_exe> if the Ragel state machine
+compiler (ragel.exe) is not in your PATH when invoking NMake.  Note that the
+'reallyclean' target does not remove these 2 generated headers, so re-run the setup.py
+script if necessary.
 
 Invoke the build by issuing the command:
 nmake /f Makefile.vc CFG=[release|debug] [PREFIX=...] <option1=1 option2=1 ...>
@@ -32,6 +47,7 @@ PREFIX: Optional.  Base directory of where the third-party headers, libraries
         2012: 11
         2013: 12
         2015: 14
+        2017: 15
 
 Explanation of options, set by <option>=1:
 ------------------------------------------
@@ -75,4 +91,6 @@ PYTHON: Full path to the Python interpretor to be used, if it is not in %PATH%.
 
 PERL: Full path to the PERL interpretor to be used, if it is not in %PATH%.
 
+RAGEL: Full path to the Ragel state machine compiler executable, if not in %PATH%
+
 LIBTOOL_DLL_NAME: Enable libtool-style DLL names.
diff --git a/win32/build-rules-msvc.mak b/win32/build-rules-msvc.mak
index bfe02864a..5408ead64 100644
--- a/win32/build-rules-msvc.mak
+++ b/win32/build-rules-msvc.mak
@@ -52,7 +52,7 @@ $(CFG)\$(PLAT)\harfbuzz-gobject.lib: $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll
 # $(dependent_objects)
 # <<
 # 	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;2
-$(HARFBUZZ_DLL_FILENAME).dll: config.h $(harfbuzz_dll_OBJS) $(CFG)\$(PLAT)\harfbuzz
+$(HARFBUZZ_DLL_FILENAME).dll: config.h $(HB_RAGEL_GENERATED_ACTUAL_SOURCES) $(harfbuzz_dll_OBJS) $(CFG)\$(PLAT)\harfbuzz
 	link /DLL $(LDFLAGS) $(HB_DEP_LIBS) /implib:$(CFG)\$(PLAT)\harfbuzz.lib -out:$@ @<<
 $(harfbuzz_dll_OBJS)
 <<
@@ -125,3 +125,6 @@ clean:
 	@-if exist $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.cc del $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.cc
 	@-del vc$(VSVER)0.pdb
 	@-del config.h
+
+reallyclean: clean
+	@-del /f /q $(HB_RAGEL_GENERATED_ACTUAL_SOURCES)
diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
index 6865bed67..dfdf3cd94 100644
--- a/win32/config-msvc.mak
+++ b/win32/config-msvc.mak
@@ -30,6 +30,11 @@ UNISCRIBE_LIB = usp10.lib gdi32.lib rpcrt4.lib user32.lib
 # Directwrite is needed for DirectWrite shaping support
 DIRECTWRITE_LIB = dwrite.lib
 
+# Full path to Ragel state machine compiler if not already in PATH
+!if "$(RAGEL)" == ""
+RAGEL = ragel
+!endif
+
 # Please do not change anything beneath this line unless maintaining the NMake Makefiles
 # Bare minimum features and sources built into HarfBuzz on Windows
 HB_DEFINES =
@@ -48,6 +53,8 @@ HB_HEADERS =	\
 	$(HB_NODIST_headers)	\
 	$(HB_OT_headers)
 
+RAGEL_RAW_GEN_SRCS = $(HB_OT_RAGEL_GENERATED_sources) $(HB_BASE_RAGEL_GENERATED_sources)
+
 # Minimal set of (system) libraries needed for the HarfBuzz DLL
 HB_DEP_LIBS =
 
diff --git a/win32/create-lists-msvc.mak b/win32/create-lists-msvc.mak
index dbd2a579c..2be0e987a 100644
--- a/win32/create-lists-msvc.mak
+++ b/win32/create-lists-msvc.mak
@@ -132,6 +132,15 @@ NULL=
 !if [call create-lists.bat footer hb_srcs.mak]
 !endif
 
+!if [call create-lists.bat header hb_srcs.mak HB_RAGEL_GENERATED_ACTUAL_SOURCES]
+!endif
+
+!if [for %s in ($(RAGEL_RAW_GEN_SRCS)) do @call create-lists.bat file hb_srcs.mak ..\src\%s]
+!endif
+
+!if [call create-lists.bat footer hb_srcs.mak]
+!endif
+
 !include hb_srcs.mak
 
 !if [del /f /q hb_srcs.mak]
diff --git a/win32/generate-msvc.mak b/win32/generate-msvc.mak
index 32214ebbf..b0727d507 100644
--- a/win32/generate-msvc.mak
+++ b/win32/generate-msvc.mak
@@ -24,3 +24,9 @@ $(HB_GOBJECT_ENUM_GENERATED_SOURCES): ..\src\hb-gobject-enums.h.tmpl ..\src\hb-g
 # Create the build directories
 $(CFG)\$(PLAT)\harfbuzz $(CFG)\$(PLAT)\harfbuzz-gobject $(CFG)\$(PLAT)\util:
 	@-md $@
+
+.SUFFIXES: .c .cc .hh .rl
+
+# Generate headers from Ragel sources
+{..\src\}.rl{..\src\}.hh:
+	$(RAGEL) -e -F1 -o $@ $<
diff --git a/win32/info-msvc.mak b/win32/info-msvc.mak
index 70daf7625..4586548ce 100644
--- a/win32/info-msvc.mak
+++ b/win32/info-msvc.mak
@@ -133,10 +133,16 @@ help:
 	@echo NO_UCDN:
 	@echo Do not use the bundled Unicode callback, which is the default.  GLib or
 	@echo ICU-based unicode callback is therefore required.
-	@echo
+	@echo.
 	@echo UNISCRIBE:
 	@echo Enable Uniscribe support.
 	@echo.
+	@echo RAGEL:
+	@echo Set the full path to the Ragel state machine compiler, if not already in
+	@echo PATH.  The Ragel state machine compiler is required if not building from
+	@echo a release tarball, or a rebuild is to be carried out after using the
+	@echo 'reallyclean' target.
+	@echo.
 	@echo Note that GLib2 support is required for all utility and test programs.
 	@echo ======
 	@echo A 'clean' target is supported to remove all generated files, intermediate
diff --git a/win32/pc_base.py b/win32/pc_base.py
new file mode 100644
index 000000000..f7976e8d2
--- /dev/null
+++ b/win32/pc_base.py
@@ -0,0 +1,124 @@
+#!/usr/bin/python
+#
+# Simple utility script to generate the basic info
+# needed in a .pc (pkg-config) file, used especially
+# for introspection purposes
+
+# This can be used in various projects where
+# there is the need to generate .pc files,
+# and is copied from GLib's $(srcroot)/win32
+
+# Author: Fan, Chun-wei
+# Date: March 10, 2016
+
+import os
+import sys
+import argparse
+
+class BasePCItems:
+    def __init__(self):
+        self.base_replace_items = {}
+        self.exec_prefix = ''
+        self.includedir = ''
+        self.libdir = ''
+        self.prefix = ''
+        self.srcdir = os.path.dirname(__file__)
+        self.top_srcdir = self.srcdir + '\\..'
+        self.version = ''
+
+    def setup(self, argv, parser=None):
+        if parser is None:
+            parser = argparse.ArgumentParser(description='Setup basic .pc file info')
+        parser.add_argument('--prefix', help='prefix of the installed library',
+                            required=True)
+        parser.add_argument('--exec-prefix',
+                            help='prefix of the installed programs, \
+                                  if different from the prefix')
+        parser.add_argument('--includedir',
+                            help='includedir of the installed library, \
+                                  if different from ${prefix}/include')
+        parser.add_argument('--libdir',
+                            help='libdir of the installed library, \
+                                  if different from ${prefix}/lib')
+        parser.add_argument('--version', help='Version of the package',
+                            required=True)
+        args = parser.parse_args()
+
+        self.version = args.version
+
+        # check whether the prefix and exec_prefix are valid
+        if not os.path.exists(args.prefix):
+            raise SystemExit('Specified prefix \'%s\' is invalid' % args.prefix)
+
+        # use absolute paths for prefix
+        self.prefix = os.path.abspath(args.prefix).replace('\\','/')
+
+        # check and setup the exec_prefix
+        if getattr(args, 'exec_prefix', None) is None:
+            exec_prefix_use_shorthand = True
+            self.exec_prefix = '${prefix}'
+        else:
+            if args.exec_prefix.startswith('${prefix}'):
+                exec_prefix_use_shorthand = True
+                input_exec_prefix = args.prefix + args.exec_prefix[len('${prefix}'):]
+            else:
+                exec_prefix_use_shorthand = False
+                input_exec_prefix = args.exec_prefix
+            if not os.path.exists(input_exec_prefix):
+                raise SystemExit('Specified exec_prefix \'%s\' is invalid' %
+                                  args.exec_prefix)
+            if exec_prefix_use_shorthand is True:
+                self.exec_prefix = args.exec_prefix.replace('\\','/')
+            else:
+                self.exec_prefix = os.path.abspath(input_exec_prefix).replace('\\','/')
+
+        # check and setup the includedir
+        if getattr(args, 'includedir', None) is None:
+            self.includedir = '${prefix}/include'
+        else:
+            if args.includedir.startswith('${prefix}'):
+                includedir_use_shorthand = True
+                input_includedir = args.prefix + args.includedir[len('${prefix}'):]
+            else:
+                if args.includedir.startswith('${exec_prefix}'):
+                    includedir_use_shorthand = True
+                    input_includedir = input_exec_prefix + args.includedir[len('${exec_prefix}'):]
+                else:
+                    includedir_use_shorthand = False
+                    input_includedir = args.includedir
+            if not os.path.exists(input_includedir):
+                raise SystemExit('Specified includedir \'%s\' is invalid' %
+                                  args.includedir)
+            if includedir_use_shorthand is True:
+                self.includedir = args.includedir.replace('\\','/')
+            else:
+                self.includedir = os.path.abspath(input_includedir).replace('\\','/')
+
+        # check and setup the libdir
+        if getattr(args, 'libdir', None) is None:
+            self.libdir = '${prefix}/lib'
+        else:
+            if args.libdir.startswith('${prefix}'):
+                libdir_use_shorthand = True
+                input_libdir = args.prefix + args.libdir[len('${prefix}'):]
+            else:
+                if args.libdir.startswith('${exec_prefix}'):
+                    libdir_use_shorthand = True
+                    input_libdir = input_exec_prefix + args.libdir[len('${exec_prefix}'):]
+                else:
+                    libdir_use_shorthand = False
+                    input_libdir = args.libdir
+            if not os.path.exists(input_libdir):
+                raise SystemExit('Specified libdir \'%s\' is invalid' %
+			                      args.libdir)
+            if libdir_use_shorthand is True:
+                self.libdir = args.libdir.replace('\\','/')
+            else:
+                self.libdir = os.path.abspath(input_libdir).replace('\\','/')
+
+        # setup dictionary for replacing items in *.pc.in
+        self.base_replace_items.update({'@VERSION@': self.version})
+        self.base_replace_items.update({'@prefix@': self.prefix})
+        self.base_replace_items.update({'@exec_prefix@': self.exec_prefix})
+        self.base_replace_items.update({'@libdir@': self.libdir})
+        self.base_replace_items.update({'@includedir@': self.includedir})
diff --git a/win32/replace.py b/win32/replace.py
new file mode 100644
index 000000000..3aeceb1f7
--- /dev/null
+++ b/win32/replace.py
@@ -0,0 +1,115 @@
+#!/usr/bin/python
+#
+# Simple utility script to manipulate
+# certain types of strings in a file
+
+# This can be used in various projects where
+# there is the need to replace strings in files,
+# and is copied from GLib's $(srcroot)/win32
+
+# Author: Fan, Chun-wei
+# Date: September 03, 2014
+
+import os
+import sys
+import re
+import string
+import argparse
+
+valid_actions = ['remove-prefix',
+                 'replace-var',
+                 'replace-str',
+                 'remove-str']
+
+def open_file(filename, mode):
+    if sys.version_info[0] < 3:
+        return open(filename, mode=mode)
+    else:
+        return open(filename, mode=mode, encoding='utf-8')
+
+def replace_multi(src, dest, replace_items):
+    with open_file(src, 'r') as s:
+        with open_file(dest, 'w') as d:
+            for line in s:
+                replace_dict = dict((re.escape(key), value) \
+                               for key, value in replace_items.items())
+                replace_pattern = re.compile("|".join(replace_dict.keys()))
+                d.write(replace_pattern.sub(lambda m: \
+                        replace_dict[re.escape(m.group(0))], line))
+
+def replace(src, dest, instring, outstring):
+    replace_item = {instring: outstring}
+    replace_multi(src, dest, replace_item)
+
+def check_required_args(args, params):
+    for param in params:
+        if getattr(args, param, None) is None:
+            raise SystemExit('%s: error: --%s argument is required' % (__file__, param))
+
+def warn_ignored_args(args, params):
+    for param in params:
+        if getattr(args, param, None) is not None:
+            print('%s: warning: --%s argument is ignored' % (__file__, param))
+
+def main(argv):
+
+    parser = argparse.ArgumentParser(description='Process strings in a file.')
+    parser.add_argument('-a',
+                        '--action',
+                        help='Action to carry out.  Can be one of:\n'
+                             'remove-prefix\n'
+                             'replace-var\n'
+                             'replace-str\n'
+                             'remove-str',
+                        choices=valid_actions)
+    parser.add_argument('-i', '--input', help='Input file')
+    parser.add_argument('-o', '--output', help='Output file')
+    parser.add_argument('--instring', help='String to replace or remove')
+    parser.add_argument('--var', help='Autotools variable name to replace')
+    parser.add_argument('--outstring',
+                        help='New String to replace specified string or variable')
+    parser.add_argument('--removeprefix', help='Prefix of string to remove')
+
+    args = parser.parse_args()
+
+    input_string = ''
+    output_string = ''
+
+    # We must have action, input, output for all operations
+    check_required_args(args, ['action','input','output'])
+
+    # Build the arguments by the operation that is to be done,
+    # to be fed into replace()
+
+    # Get rid of prefixes from a string
+    if args.action == 'remove-prefix':
+        check_required_args(args, ['instring','removeprefix'])
+        warn_ignored_args(args, ['outstring','var'])
+        input_string = args.removeprefix + args.instring
+        output_string = args.instring
+
+    # Replace an m4-style variable (those surrounded by @...@)
+    if args.action == 'replace-var':
+        check_required_args(args, ['var','outstring'])
+        warn_ignored_args(args, ['instring','removeprefix'])
+        input_string = '@' + args.var + '@'
+        output_string = args.outstring
+
+    # Replace a string
+    if args.action == 'replace-str':
+        check_required_args(args, ['instring','outstring'])
+        warn_ignored_args(args, ['var','removeprefix'])
+        input_string = args.instring
+        output_string = args.outstring
+
+    # Remove a string
+    if args.action == 'remove-str':
+        check_required_args(args, ['instring'])
+        warn_ignored_args(args, ['var','outstring','removeprefix'])
+        input_string = args.instring
+        output_string = ''
+
+    replace(args.input, args.output, input_string, output_string)
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/win32/setup.py b/win32/setup.py
new file mode 100644
index 000000000..c31b9e74a
--- /dev/null
+++ b/win32/setup.py
@@ -0,0 +1,62 @@
+#!/usr/bin/python
+# vim: encoding=utf-8
+#expand *.in files
+#this script is only intended for building from git, not for building from the released tarball, which already includes all necessary files
+import os
+import sys
+import re
+import string
+import subprocess
+import optparse
+from pc_base import BasePCItems
+from replace import replace_multi
+
+def get_version_items(srcroot):
+    ver = {}
+    RE_VERSION_LINE_START = re.compile(r'^AC_INIT\(\[(.+)\], *\n')
+    RE_VERSION_LINE_BODY = re.compile(r'^        \[(.+)\], *\n')
+    RE_VERSION_LINE_END = re.compile(r'^        \[(.+)\]\) *\n')
+
+    # Read from the AC_INIT lines to get the version/name/URLs info
+    with open(os.path.join(srcroot, 'configure.ac'), 'r') as ac:
+        for i in ac:
+            mo_init = RE_VERSION_LINE_START.search(i)
+            mo_pkg_info = RE_VERSION_LINE_BODY.search(i)
+            mo_pkg_url = RE_VERSION_LINE_END.search(i)
+            if mo_init:
+                ver['@PACKAGE_NAME@'] = mo_init.group(1) 
+            if mo_pkg_info:
+                if mo_pkg_info.group(1).startswith('http'):
+                    ver['@PACKAGE_BUGREPORT@'] = mo_pkg_info.group(1)
+                elif mo_pkg_info.group(1)[0].isdigit():
+                    ver['@PACKAGE_VERSION@'] = mo_pkg_info.group(1)
+                else:
+                    ver['@PACKAGE_TARNAME@'] = mo_pkg_info.group(1)
+            if mo_pkg_url:
+                ver['@PACKAGE_URL@'] = mo_pkg_url.group(1)
+            
+    ver['@HB_VERSION@'] = ver['@PACKAGE_VERSION@']
+
+    pkg_ver_parts = ver['@PACKAGE_VERSION@'].split('.')
+    ver['@HB_VERSION_MAJOR@'] = pkg_ver_parts[0]
+    ver['@HB_VERSION_MINOR@'] = pkg_ver_parts[1]
+    ver['@HB_VERSION_MICRO@'] = pkg_ver_parts[2]
+    return ver
+
+def main(argv):
+    pc = BasePCItems()
+    srcroot = pc.top_srcdir
+    srcdir = pc.srcdir
+    ver = get_version_items(srcroot)
+
+    replace_multi(os.path.join(srcdir, 'config.h.win32.in'),
+                  os.path.join(srcdir, 'config.h.win32'),
+                  ver)
+
+    replace_multi(os.path.join(srcroot, 'src', 'hb-version.h.in'),
+                  os.path.join(srcroot, 'src', 'hb-version.h'),
+                  ver)
+    return 0
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))

From 4e21ec546932c2a982aa52fce718c1a0d90a71d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Schl=C3=B6sser?= <dominik.schloesser@gmail.com>
Date: Fri, 14 Jul 2017 13:14:23 +0200
Subject: [PATCH 0317/1326] Fix for reordering of Tibetan vowel u (#443)

* Undone change for Tibetan vowel u

* removed comment on reordering that became invalid with roll-back

* Support for Dzongkha contractions with multiple vowel-signs

* Removed non-functional and unnecessary defines for HB_MODIFIED_COMBINING_CLASS_CCC138,140
---
 src/hb-unicode-private.hh | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index 75b55c023..aa86a72c4 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -346,12 +346,13 @@ extern HB_INTERNAL const hb_unicode_funcs_t _hb_unicode_funcs_nil;
 #define HB_MODIFIED_COMBINING_CLASS_CCC122 122 /* mai * */
 
 /* Tibetan
- * Modify U+0F74 (ccc=132) to reorder before ccc=130 marks.
+ * 
+ * In case of multiple vowel-signs, use u first (but after achung) 
+ * this allows Dzongkha multi-vowel shortcuts to render correctly 
  */
 #define HB_MODIFIED_COMBINING_CLASS_CCC129 129 /* sign aa */
-#define HB_MODIFIED_COMBINING_CLASS_CCC130 130 /* sign i */
-#define HB_MODIFIED_COMBINING_CLASS_CCC132 128 /* sign u */
-
+#define HB_MODIFIED_COMBINING_CLASS_CCC130 132 /* sign i */
+#define HB_MODIFIED_COMBINING_CLASS_CCC132 131 /* sign u */
 
 /* Misc */
 

From 3a73e0d5e17b87ac7e307d855c2cb43d040bd195 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Schl=C3=B6sser?= <dominik.schloesser@gmail.com>
Date: Fri, 14 Jul 2017 13:14:55 +0200
Subject: [PATCH 0318/1326] Shaping tests for Tibetan vowels (#446)

* Shaping tests for Tibetan vowels

* Test-cases for the Dzongkha contractions with multiple vowel-signs added.

* going to be removed

* Extended contraction-test-cases to all test cases in contractions.txt that actually use multiple-vowels (113 cases)
---
 test/shaping/Makefile.am                      |   3 +
 ...e1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf | Bin 0 -> 125256 bytes
 ...f4f3b57bb55344e72e70231380202a52af5805.ttf | Bin 0 -> 11116 bytes
 ...2a7f0ad42c2922cb37ad1358c9df4eb81f1bca.ttf | Bin 0 -> 106096 bytes
 .../tests/tibetan-contractions-1.tests        |  60 ++++++++++++++++++
 .../tests/tibetan-contractions-2.tests        |  53 ++++++++++++++++
 test/shaping/tests/tibetan-vowels.tests       |  11 ++++
 7 files changed, 127 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf
 create mode 100644 test/shaping/fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf
 create mode 100644 test/shaping/fonts/sha1sum/a02a7f0ad42c2922cb37ad1358c9df4eb81f1bca.ttf
 create mode 100644 test/shaping/tests/tibetan-contractions-1.tests
 create mode 100644 test/shaping/tests/tibetan-contractions-2.tests
 create mode 100644 test/shaping/tests/tibetan-vowels.tests

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index ab25a50a0..410a258d1 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -64,6 +64,9 @@ TESTS = \
 	tests/mongolian-variation-selector.tests \
 	tests/spaces.tests \
 	tests/simple.tests \
+	tests/tibetan-contractions-1.tests \
+	tests/tibetan-contractions-2.tests \
+	tests/tibetan-vowels.tests \
 	tests/use.tests \
 	tests/use-marchen.tests \
 	tests/vertical.tests \
diff --git a/test/shaping/fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf b/test/shaping/fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf
new file mode 100644
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index 000000000..8577c9d0f
--- /dev/null
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diff --git a/test/shaping/tests/tibetan-contractions-2.tests b/test/shaping/tests/tibetan-contractions-2.tests
new file mode 100644
index 000000000..ac15d522d
--- /dev/null
+++ b/test/shaping/tests/tibetan-contractions-2.tests
@@ -0,0 +1,53 @@
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+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F66,U+0F7A,U+0F7E,U+0F53,U+0F0B:[uni0F66=0+680|uni0F7A0F7E=0+0|uni0F53=3+590|uni0F0B=4@-30,0+160]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F66,U+0F7A,U+0F7E,U+0F51,U+0F60,U+0F0B:[uni0F66=0+680|uni0F7A0F7E=0+0|uni0F51=3+600|uni0F60=4+600|uni0F0B=5@-40,0+150]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F66,U+0F7C,U+0F7C,U+0F56,U+0F0B:[uni0F660F7D=0+680|uni0F56=3+610|uni0F0B=4+190]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F66,U+0F7C,U+0F7C,U+0F62,U+0F0B:[uni0F660F7D=0+680|uni0F62=3+620|uni0F0B=4@-65,0+130]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F66,U+0FB2,U+0F7C,U+0F7A,U+0F66,U+0F0B:[uni0F660FB2=0+680|uni0F7C0F7A=0+0|uni0F66=4+680|uni0F0B=5+190]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F66,U+0FB3,U+0F7C,U+0F7C,U+0F51,U+0F0B:[uni0F660FB3=0+680|uni0F7D=0+0|uni0F51=4+600|uni0F0B=5@-70,0+106]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F66,U+0FB3,U+0F7C,U+0F7C,U+0F53,U+0F0B:[uni0F660FB3=0+680|uni0F7D=0+0|uni0F53=4+590|uni0F0B=5@-30,0+160]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F56,U+0F66,U+0F99,U+0F7C,U+0F7E,U+0F51,U+0F66,U+0F0B:[uni0F56=0+610|uni0F660F99=1+670|uni0F7C0F7E=1+0|uni0F51=5+600|uni0F66=6+680|uni0F0B=7+190]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F63,U+0FB7,U+0FB1,U+0F7C,U+0F42,U+0F66,U+0F0B:[uni0F630FB70FB1=0+680|uni0F7C=0+0|uni0F42=4+680|uni0F66=5+680|uni0F0B=6+190]
+fonts/sha1sum/2de1ab4907ab688c0cfc236b0bf51151db38bf2e.ttf::U+0F68,U+0FB1,U+0F7C,U+0F53,U+0F0B:[uni0F680FB1=0+740|uni0F7C=0+0|uni0F53=3+590|uni0F0B=4@-30,0+160]
diff --git a/test/shaping/tests/tibetan-vowels.tests b/test/shaping/tests/tibetan-vowels.tests
new file mode 100644
index 000000000..75e13c8a5
--- /dev/null
+++ b/test/shaping/tests/tibetan-vowels.tests
@@ -0,0 +1,11 @@
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F72:[uni0F680F72=0+730]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F74:[uni0F680F74=0+730]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F7A:[uni0F680F7A=0+730]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F7C:[uni0F680F7C=0+730]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F71,U+0F72:[uni0F680F710F72=0+720]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F71,U+0F74:[uni0F680F75=0+720]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F7B:[uni0F680F7B=0+720]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F7D:[uni0F680F7D=0+730]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F7E:[uni0F680F7E=0+730]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F68,U+0F7F:[uni0F68=0+730|uni0F7F=0+408]
+fonts/sha1sum/82f4f3b57bb55344e72e70231380202a52af5805.ttf::U+0F00:[uni0F00=0+730]

From cdf1fd0627c5517c948ca05d2e9427c3e441adf9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 14 Jul 2017 12:43:34 +0100
Subject: [PATCH 0319/1326] [indic] Add infrastructure to disable ZWNJ-skipping
 in context-matching

Not used yet.
---
 src/hb-ot-layout-gsubgpos-private.hh | 49 +++++++++++++++-------------
 src/hb-ot-layout.cc                  |  1 +
 src/hb-ot-map-private.hh             | 10 ++++--
 src/hb-ot-map.cc                     |  8 +++--
 4 files changed, 41 insertions(+), 27 deletions(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index f77f5d98b..2235d3a0a 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -346,9 +346,9 @@ struct hb_apply_context_t :
       matcher.set_match_func (NULL, NULL);
       matcher.set_lookup_props (c->lookup_props);
       /* Ignore ZWNJ if we are matching GSUB context, or matching GPOS. */
-      matcher.set_ignore_zwnj (context_match || c->table_index == 1);
+      matcher.set_ignore_zwnj (c->table_index == 1 || (context_match && c->auto_zwnj));
       /* Ignore ZWJ if we are matching GSUB context, or matching GPOS, or if asked to. */
-      matcher.set_ignore_zwj (context_match || c->table_index == 1 || c->auto_zwj);
+      matcher.set_ignore_zwj  (c->table_index == 1 || (context_match || c->auto_zwj));
       matcher.set_mask (context_match ? -1 : c->lookup_mask);
     }
     inline void set_lookup_props (unsigned int lookup_props)
@@ -457,45 +457,50 @@ struct hb_apply_context_t :
     return ret;
   }
 
-  unsigned int table_index; /* GSUB/GPOS */
+  skipping_iterator_t iter_input, iter_context;
+
   hb_font_t *font;
   hb_face_t *face;
   hb_buffer_t *buffer;
+  recurse_func_t recurse_func;
+  const GDEF &gdef;
+  const VariationStore &var_store;
+
   hb_direction_t direction;
   hb_mask_t lookup_mask;
-  bool auto_zwj;
-  recurse_func_t recurse_func;
-  unsigned int nesting_level_left;
-  unsigned int lookup_props;
-  const GDEF &gdef;
-  bool has_glyph_classes;
-  const VariationStore &var_store;
-  skipping_iterator_t iter_input, iter_context;
+  unsigned int table_index; /* GSUB/GPOS */
   unsigned int lookup_index;
+  unsigned int lookup_props;
+  unsigned int nesting_level_left;
   unsigned int debug_depth;
 
+  bool auto_zwnj;
+  bool auto_zwj;
+  bool has_glyph_classes;
+
 
   hb_apply_context_t (unsigned int table_index_,
 		      hb_font_t *font_,
 		      hb_buffer_t *buffer_) :
-			table_index (table_index_),
+			iter_input (), iter_context (),
 			font (font_), face (font->face), buffer (buffer_),
+			recurse_func (NULL),
+			gdef (*hb_ot_layout_from_face (face)->gdef),
+			var_store (gdef.get_var_store ()),
 			direction (buffer_->props.direction),
 			lookup_mask (1),
-			auto_zwj (true),
-			recurse_func (NULL),
-			nesting_level_left (HB_MAX_NESTING_LEVEL),
-			lookup_props (0),
-			gdef (*hb_ot_layout_from_face (face)->gdef),
-			has_glyph_classes (gdef.has_glyph_classes ()),
-			var_store (gdef.get_var_store ()),
-			iter_input (),
-			iter_context (),
+			table_index (table_index_),
 			lookup_index ((unsigned int) -1),
-			debug_depth (0) {}
+			lookup_props (0),
+			nesting_level_left (HB_MAX_NESTING_LEVEL),
+			debug_depth (0),
+			auto_zwnj (true),
+			auto_zwj (true),
+			has_glyph_classes (gdef.has_glyph_classes ()) {}
 
   inline void set_lookup_mask (hb_mask_t mask) { lookup_mask = mask; }
   inline void set_auto_zwj (bool auto_zwj_) { auto_zwj = auto_zwj_; }
+  inline void set_auto_zwnj (bool auto_zwnj_) { auto_zwnj = auto_zwnj_; }
   inline void set_recurse_func (recurse_func_t func) { recurse_func = func; }
   inline void set_lookup_index (unsigned int lookup_index_) { lookup_index = lookup_index_; }
   inline void set_lookup_props (unsigned int lookup_props_)
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 5b781a728..977e58301 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1219,6 +1219,7 @@ inline void hb_ot_map_t::apply (const Proxy &proxy,
       c.set_lookup_index (lookup_index);
       c.set_lookup_mask (lookups[table_index][i].mask);
       c.set_auto_zwj (lookups[table_index][i].auto_zwj);
+      c.set_auto_zwnj (lookups[table_index][i].auto_zwnj);
       apply_string<Proxy> (&c,
 			   proxy.table.get_lookup (lookup_index),
 			   proxy.accels[lookup_index]);
diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index b69e5344c..6f774dde0 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -50,6 +50,7 @@ struct hb_ot_map_t
     hb_mask_t mask;
     hb_mask_t _1_mask; /* mask for value=1, for quick access */
     unsigned int needs_fallback : 1;
+    unsigned int auto_zwnj : 1;
     unsigned int auto_zwj : 1;
 
     static int cmp (const feature_map_t *a, const feature_map_t *b)
@@ -58,6 +59,7 @@ struct hb_ot_map_t
 
   struct lookup_map_t {
     unsigned short index;
+    unsigned short auto_zwnj : 1;
     unsigned short auto_zwj : 1;
     hb_mask_t mask;
 
@@ -150,8 +152,9 @@ enum hb_ot_map_feature_flags_t {
   F_NONE		= 0x0000u,
   F_GLOBAL		= 0x0001u, /* Feature applies to all characters; results in no mask allocated for it. */
   F_HAS_FALLBACK	= 0x0002u, /* Has fallback implementation, so include mask bit even if feature not found. */
-  F_MANUAL_ZWJ		= 0x0004u, /* Don't skip over ZWJ when matching. */
-  F_GLOBAL_SEARCH	= 0x0008u  /* If feature not found in LangSys, look for it in global feature list and pick one. */
+  F_MANUAL_ZWNJ		= 0x0004u, /* Don't skip over ZWNJ when matching **context**. */
+  F_MANUAL_ZWJ		= 0x0008u, /* Don't skip over ZWJ when matching **input**. */
+  F_GLOBAL_SEARCH	= 0x0010u  /* If feature not found in LangSys, look for it in global feature list and pick one. */
 };
 HB_MARK_AS_FLAG_T (hb_ot_map_feature_flags_t);
 /* Macro version for where const is desired. */
@@ -196,7 +199,8 @@ struct hb_ot_map_builder_t
 				unsigned int  feature_index,
 				unsigned int  variations_index,
 				hb_mask_t     mask,
-				bool          auto_zwj);
+				bool          auto_zwnj = true,
+				bool          auto_zwj = true);
 
   struct feature_info_t {
     hb_tag_t tag;
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 9b331d521..014e4430a 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -85,6 +85,7 @@ hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
 				  unsigned int  feature_index,
 				  unsigned int  variations_index,
 				  hb_mask_t     mask,
+				  bool          auto_zwnj,
 				  bool          auto_zwj)
 {
   unsigned int lookup_indices[32];
@@ -112,6 +113,7 @@ hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
         return;
       lookup->mask = mask;
       lookup->index = lookup_indices[i];
+      lookup->auto_zwnj = auto_zwnj;
       lookup->auto_zwj = auto_zwj;
     }
 
@@ -243,6 +245,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
     map->index[1] = feature_index[1];
     map->stage[0] = info->stage[0];
     map->stage[1] = info->stage[1];
+    map->auto_zwnj = !(info->flags & F_MANUAL_ZWNJ);
     map->auto_zwj = !(info->flags & F_MANUAL_ZWJ);
     if ((info->flags & F_GLOBAL) && info->max_value == 1) {
       /* Uses the global bit */
@@ -284,8 +287,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 	add_lookups (m, face, table_index,
 		     required_feature_index[table_index],
 		     variations_index,
-		     1 /* mask */,
-		     true /* auto_zwj */);
+		     1 /* mask */);
 
       for (unsigned i = 0; i < m.features.len; i++)
         if (m.features[i].stage[table_index] == stage)
@@ -293,6 +295,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 		       m.features[i].index[table_index],
 		       variations_index,
 		       m.features[i].mask,
+		       m.features[i].auto_zwnj,
 		       m.features[i].auto_zwj);
 
       /* Sort lookups and merge duplicates */
@@ -307,6 +310,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 	  else
 	  {
 	    m.lookups[table_index][j].mask |= m.lookups[table_index][i].mask;
+	    m.lookups[table_index][j].auto_zwnj &= m.lookups[table_index][i].auto_zwnj;
 	    m.lookups[table_index][j].auto_zwj &= m.lookups[table_index][i].auto_zwj;
 	  }
 	m.lookups[table_index].shrink (j + 1);

From e359a4b8f57bbc778843f233c4f5d6fb07ff11d9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 14 Jul 2017 14:14:35 +0100
Subject: [PATCH 0320/1326] [indic] Disable automatic ZWNJ handling for Indic
 features

Fixes https://github.com/behdad/harfbuzz/issues/294

Also fixes a bunch of other Indic issues.  Test results after:

BENGALI: 353725 out of 354188 tests passed. 463 failed (0.130722%)
DEVANAGARI: 707307 out of 707394 tests passed. 87 failed (0.0122987%)
GUJARATI: 366355 out of 366457 tests passed. 102 failed (0.0278341%)
GURMUKHI: 60732 out of 60747 tests passed. 15 failed (0.0246926%)
KANNADA: 951201 out of 951913 tests passed. 712 failed (0.0747968%)
KHMER: 299071 out of 299124 tests passed. 53 failed (0.0177184%)
MALAYALAM: 1048136 out of 1048334 tests passed. 198 failed (0.0188871%)
ORIYA: 42320 out of 42329 tests passed. 9 failed (0.021262%)
SINHALA: 271662 out of 271847 tests passed. 185 failed (0.068053%)
TAMIL: 1091754 out of 1091754 tests passed. 0 failed (0%)
TELUGU: 970555 out of 970573 tests passed. 18 failed (0.00185457%)

Before:

BENGALI: 353725 out of 354188 tests passed. 463 failed (0.130722%)
DEVANAGARI: 707307 out of 707394 tests passed. 87 failed (0.0122987%)
GUJARATI: 366349 out of 366457 tests passed. 108 failed (0.0294714%)
GURMUKHI: 60732 out of 60747 tests passed. 15 failed (0.0246926%)
KANNADA: 951190 out of 951913 tests passed. 723 failed (0.0759523%)
KHMER: 299070 out of 299124 tests passed. 54 failed (0.0180527%)
MALAYALAM: 1048136 out of 1048334 tests passed. 198 failed (0.0188871%)
ORIYA: 42320 out of 42329 tests passed. 9 failed (0.021262%)
SINHALA: 271662 out of 271847 tests passed. 185 failed (0.068053%)
TAMIL: 1091753 out of 1091754 tests passed. 1 failed (9.15957e-05%)
TELUGU: 970555 out of 970573 tests passed. 18 failed (0.00185457%)
---
 src/hb-ot-shape-complex-indic.cc                 |   4 ++--
 test/shaping/Makefile.am                         |   1 +
 .../f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf | Bin 0 -> 3972 bytes
 test/shaping/tests/indic-joiners.tests           |   2 ++
 4 files changed, 5 insertions(+), 2 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf
 create mode 100644 test/shaping/tests/indic-joiners.tests

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index cbc46c8c6..8227a77d7 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -411,12 +411,12 @@ collect_features_indic (hb_ot_shape_planner_t *plan)
   unsigned int i = 0;
   map->add_gsub_pause (initial_reordering);
   for (; i < INDIC_BASIC_FEATURES; i++) {
-    map->add_feature (indic_features[i].tag, 1, indic_features[i].flags | F_MANUAL_ZWJ);
+    map->add_feature (indic_features[i].tag, 1, indic_features[i].flags | F_MANUAL_ZWJ | F_MANUAL_ZWNJ);
     map->add_gsub_pause (NULL);
   }
   map->add_gsub_pause (final_reordering);
   for (; i < INDIC_NUM_FEATURES; i++) {
-    map->add_feature (indic_features[i].tag, 1, indic_features[i].flags | F_MANUAL_ZWJ);
+    map->add_feature (indic_features[i].tag, 1, indic_features[i].flags | F_MANUAL_ZWJ | F_MANUAL_ZWNJ);
   }
 
   map->add_global_bool_feature (HB_TAG('c','a','l','t'));
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 410a258d1..f84b46711 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -56,6 +56,7 @@ TESTS = \
 	tests/hangul-jamo.tests \
 	tests/hyphens.tests \
 	tests/indic-joiner-candrabindu.tests \
+	tests/indic-joiners.tests \
 	tests/indic-old-spec.tests \
 	tests/indic-pref-blocking.tests \
 	tests/language-tags.tests \
diff --git a/test/shaping/fonts/sha1sum/f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf b/test/shaping/fonts/sha1sum/f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..93c2f5822fa5b2405a760e30354f78c73c885613
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-joiners.tests b/test/shaping/tests/indic-joiners.tests
new file mode 100644
index 000000000..63f672905
--- /dev/null
+++ b/test/shaping/tests/indic-joiners.tests
@@ -0,0 +1,2 @@
+fonts/sha1sum/f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf::U+179A,U+1784,U+17D2,U+179F,U+200C,U+17CA,U+17B8,U+0020:[uni179a=0+775|uni1784=1+1550|uni179f.sub=1+775|space=1+0|uni17ca=1+0|uni17b8=1@0,300+0|space=7+600]
+fonts/sha1sum/f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf::U+179A,U+1784,U+17D2,U+179F,U+17CA,U+17B8:[uni179a=0+775|uni1784=1+1550|uni179f.sub=1+775|uni17bb=1@-75,-700+0|uni17b8=1+0]

From 3cc84f45b995b243fca82ce18481f11d69846eb5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 14 Jul 2017 15:50:22 +0100
Subject: [PATCH 0321/1326] [indic] Fix
 https://github.com/behdad/harfbuzz/issues/478

---
 src/hb-ot-shape-complex-indic-private.hh         |   2 +-
 src/hb-ot-shape-complex-indic.cc                 |   8 ++++++++
 test/shaping/Makefile.am                         |   1 +
 .../54674a3111d209fb6be0ed31745314b7a8d2c244.ttf | Bin 0 -> 1352 bytes
 test/shaping/tests/indic-syllable.tests          |   1 +
 5 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf
 create mode 100644 test/shaping/tests/indic-syllable.tests

diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index 5879c3e49..58be42224 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -132,7 +132,7 @@ enum indic_syllabic_category_t {
   INDIC_SYLLABIC_CATEGORY_NUMBER_JOINER			= OT_PLACEHOLDER, /* Don't care. */
   INDIC_SYLLABIC_CATEGORY_PURE_KILLER			= OT_M, /* Is like a vowel matra. */
   INDIC_SYLLABIC_CATEGORY_REGISTER_SHIFTER		= OT_RS,
-  INDIC_SYLLABIC_CATEGORY_SYLLABLE_MODIFIER		= OT_M, /* Misc Khmer signs. */
+  INDIC_SYLLABIC_CATEGORY_SYLLABLE_MODIFIER		= OT_SM,
   INDIC_SYLLABIC_CATEGORY_TONE_LETTER			= OT_X,
   INDIC_SYLLABIC_CATEGORY_TONE_MARK			= OT_N,
   INDIC_SYLLABIC_CATEGORY_VIRAMA			= OT_H,
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 8227a77d7..97cec38e0 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -200,6 +200,14 @@ set_indic_properties (hb_glyph_info_t &info)
     cat = OT_Symbol;
     ASSERT_STATIC ((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol);
   }
+  else if (unlikely (hb_in_range (u, 0x17CDu, 0x17D1u) ||
+		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
+  {
+    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier. */
+    cat = OT_M;
+    pos = POS_ABOVE_C;
+  }
+
   else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
 				    cat = OT_PLACEHOLDER;
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index f84b46711..48569f0b5 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -59,6 +59,7 @@ TESTS = \
 	tests/indic-joiners.tests \
 	tests/indic-old-spec.tests \
 	tests/indic-pref-blocking.tests \
+	tests/indic-syllable.tests \
 	tests/language-tags.tests \
 	tests/ligature-id.tests \
 	tests/mark-filtering-sets.tests \
diff --git a/test/shaping/fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf b/test/shaping/fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..837e8d2c7ee73b0c962f23d10a7134e5e85ec8f5
GIT binary patch
literal 1352
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MPVuB#T(Js&1ET{82><{9

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
new file mode 100644
index 000000000..26c38b35b
--- /dev/null
+++ b/test/shaping/tests/indic-syllable.tests
@@ -0,0 +1 @@
+fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3:[taprehalftamil=0+1509|uni00B3=2+674]

From f1cd7ca89306ff252816e9747177d8dab00524f6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 14 Jul 2017 15:59:40 +0100
Subject: [PATCH 0322/1326] [indic] Add github URL

---
 src/hb-ot-shape-complex-indic.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 97cec38e0..0232b3057 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -203,7 +203,8 @@ set_indic_properties (hb_glyph_info_t &info)
   else if (unlikely (hb_in_range (u, 0x17CDu, 0x17D1u) ||
 		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
   {
-    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier. */
+    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.
+     * https://github.com/roozbehp/unicode-data/issues/5 */
     cat = OT_M;
     pos = POS_ABOVE_C;
   }

From 216b003c914d2209a6846b1ce61fe7a3421c789c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 14 Jul 2017 16:38:51 +0100
Subject: [PATCH 0323/1326] [use] Fix shaping of U+AA29 CHAM VOWEL SIGN AA

Part of https://github.com/behdad/harfbuzz/issues/376
Also see https://github.com/roozbehp/unicode-data/issues/6

Test added, using NotoSansCham built from Noto Phase III sources.
---
 src/gen-arabic-table.py                          |   2 +-
 src/gen-indic-table.py                           |   2 +-
 src/gen-use-table.py                             |   8 +++++---
 src/hb-ot-shape-complex-use-table.cc             |   4 ++--
 test/shaping/Makefile.am                         |   1 +
 .../96490dd2ff81233b335a650e7eb660e0e7b2eeea.ttf | Bin 0 -> 1368 bytes
 test/shaping/tests/use-syllable.tests            |   1 +
 7 files changed, 11 insertions(+), 7 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/96490dd2ff81233b335a650e7eb660e0e7b2eeea.ttf
 create mode 100644 test/shaping/tests/use-syllable.tests

diff --git a/src/gen-arabic-table.py b/src/gen-arabic-table.py
index 308435f99..59bd76012 100755
--- a/src/gen-arabic-table.py
+++ b/src/gen-arabic-table.py
@@ -134,7 +134,7 @@ def print_joining_table(f):
 		for (start,end) in ranges:
 			if p not in [start>>page_bits, end>>page_bits]: continue
 			offset = "joining_offset_0x%04xu" % start
-			print "      if (hb_in_range (u, 0x%04Xu, 0x%04Xu)) return joining_table[u - 0x%04Xu + %s];" % (start, end, start, offset)
+			print "      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return joining_table[u - 0x%04Xu + %s];" % (start, end, start, offset)
 		print "      break;"
 		print ""
 	print "    default:"
diff --git a/src/gen-indic-table.py b/src/gen-indic-table.py
index 3016cd07b..a849db18e 100755
--- a/src/gen-indic-table.py
+++ b/src/gen-indic-table.py
@@ -232,7 +232,7 @@ for p in sorted(pages):
 	for (start,end) in zip (starts, ends):
 		if p not in [start>>page_bits, end>>page_bits]: continue
 		offset = "indic_offset_0x%04xu" % start
-		print "      if (hb_in_range (u, 0x%04Xu, 0x%04Xu)) return indic_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset)
+		print "      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return indic_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset)
 	for u,d in singles.items ():
 		if p != u>>page_bits: continue
 		print "      if (unlikely (u == 0x%04Xu)) return _(%s,%s);" % (u, short[0][d[0]], short[1][d[1]])
diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index a922c92fa..fcb66a580 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -210,11 +210,13 @@ def is_SYM_MOD(U, UISC, UGC):
 def is_VARIATION_SELECTOR(U, UISC, UGC):
 	return 0xFE00 <= U <= 0xFE0F
 def is_VOWEL(U, UISC, UGC):
+	# https://github.com/roozbehp/unicode-data/issues/6
 	return (UISC == Pure_Killer or
-		(UGC != Lo and UISC in [Vowel, Vowel_Dependent]))
+		(UGC != Lo and UISC in [Vowel, Vowel_Dependent] and U not in [0xAA29]))
 def is_VOWEL_MOD(U, UISC, UGC):
+	# https://github.com/roozbehp/unicode-data/issues/6
 	return (UISC in [Tone_Mark, Cantillation_Mark, Register_Shifter, Visarga] or
-		(UGC != Lo and UISC == Bindu))
+		(UGC != Lo and (UISC == Bindu or U in [0xAA29])))
 
 use_mapping = {
 	'B':	is_BASE,
@@ -449,7 +451,7 @@ for p in sorted(pages):
 	for (start,end) in zip (starts, ends):
 		if p not in [start>>page_bits, end>>page_bits]: continue
 		offset = "use_offset_0x%04xu" % start
-		print "      if (hb_in_range (u, 0x%04Xu, 0x%04Xu)) return use_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset)
+		print "      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return use_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset)
 	for u,d in singles.items ():
 		if p != u>>page_bits: continue
 		print "      if (unlikely (u == 0x%04Xu)) return %s;" % (u, d[0])
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index 416d74815..941a003aa 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -9,7 +9,7 @@
  * # IndicSyllabicCategory-9.0.0.txt
  * # Date: 2016-05-21, 02:46:00 GMT [RP]
  * # IndicPositionalCategory-9.0.0.txt
- * # Date: 2016-02-25, 00:48:00 GMT [RP]
+ * # Date: 2016-06-09, 19:33:00 GMT [RP]
  * # Blocks-9.0.0.txt
  * # Date: 2016-02-05, 23:48:00 GMT [KW]
  * UnicodeData.txt does not have a header.
@@ -410,7 +410,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
 
   /* AA00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* AA10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* AA20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VAbv,  VPre,
+  /* AA20 */     B,     B,     B,     B,     B,     B,     B,     B,     B, VMAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VAbv,  VPre,
   /* AA30 */  VPre,  VAbv,  VBlw,  MPst,  MPre,  MBlw,  MBlw,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* AA40 */     B,     B,     B,  FAbv,     B,     B,     B,     B,     B,     B,     B,     B,  FAbv,  FPst,     O,     O,
   /* AA50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 48569f0b5..e44410158 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -71,6 +71,7 @@ TESTS = \
 	tests/tibetan-vowels.tests \
 	tests/use.tests \
 	tests/use-marchen.tests \
+	tests/use-syllable.tests \
 	tests/vertical.tests \
 	tests/zero-width-marks.tests \
 	$(NULL)
diff --git a/test/shaping/fonts/sha1sum/96490dd2ff81233b335a650e7eb660e0e7b2eeea.ttf b/test/shaping/fonts/sha1sum/96490dd2ff81233b335a650e7eb660e0e7b2eeea.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..78518c08c4cc4a0f6cf9fc3795e358914c23f9e0
GIT binary patch
literal 1368
zcmZuwO>7%Q6n?Y2-gWB4iJe{B4YqOZ#7>Nhll5QSB-GT2O_Vl{Vuc1!8<xb0+uBK#
zrcxRSkpm}wq=I_rAsjexv5-JWoC*?1RR!X}0T2Rl;ex1CAyfh7g3UL(lp<hOGw*%x
zy?OJ#H?zcusE77Rr1|pHbcrS@LnN)js+Z?0)tPqTL*VPc*UHt!lV1jJ{Z3>{04FNd
zr0%}a^*xcu@v|#UW2@C@>A<f5PpmhttbKaq`W@)s5wZ8`HDlHBM&=%o@BwVuIt=!g
zg`0@C0}s}lJG+j-jt2iPz-nW2#h{N_75H7??xwN3MFCa@z6u=LFq$>V*^PR|Pk^7;
z+Pt(gbM5tg)Y}JK?Q|&H`AJF$3lt>*7KKEi2q|*Apum2Nic~>us;qcCnkvhYa5R(7
zrgV>{Wi#nmCW|#13Co)5&6;MFhwvDVJhm`4rgR?EuR=*dL$sg_KRObLl(L1H(dg({
z{7fRcI8|D(_rwPx34J&|J(6FaE?*dLf3Er!Eu?DRa5OH8Y^=YZy&8We;5!kHObi_z
z3JvFD%#$t+4Z3He#q!)^5Bs#kBjHFQaXK~ew4QuwZ@}x*Ty9tUXIH->r$L)_-l4bI
zZE%ZmUP|l%15OYawZ>v#YdS2l>~`UV>K)hhe9zp}fH<j(l_k~HS6e!BfxR_fOsc8C
zST6I(KrW!4(jMw{r5_h(x}GaJhdkcNP-$tISo@%Jj~uj1xV@a&M&30gVzmh!$~oj?
zNq=U{<MSygIiCz>Mm6tYW%qc=9|#1-rvnhU8shKKMjufhy$H$CgCUr=h?hWn^gexK
zdf5+at<Q43%e@o7k|_SjgTHX@y};#Hv#%A~`L^43SNaxE{%bc0OLR^$C@Y-845DAu
zKH#~ev+Xw#7HjAK_|10rUuW~GBx#>rg(Tr6<RF^0Bs)hsI|-}9CP+3(5F~#3-=jcO
zu2jlYXi@8^b%u17EyHiJ6MVQUq7WuhV2YS3R_;|vqG3oGl99kO;8l|)pJa<)TR9NH
z_XhbcsS7qgu%!#+1e&8w+QAG_l?>XTOVEl`hu)+Gs?j=KrUuaV{T_7=2><c_46tVc
z6Pd(pva!5UH=6RMDSECLr)#U{jfRO1U9O&A-!N6qlUKoqp9X=L$%bRjk~6bDBD<;a
z{&Dt)P~~xA{1AA|u7W-95i(w^ZEujXX>4Cam#lcc^0Q=|BAB`CkfY{KH@Qu()nf_i
rnHkY-+I|11>wYaV{-x&`--QarJEq2K3R3((HSucM)^=?TInD7Wo(9<;

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/use-syllable.tests b/test/shaping/tests/use-syllable.tests
new file mode 100644
index 000000000..b864c3ead
--- /dev/null
+++ b/test/shaping/tests/use-syllable.tests
@@ -0,0 +1 @@
+fonts/sha1sum/96490dd2ff81233b335a650e7eb660e0e7b2eeea.ttf::U+AA00,U+AA2D,U+AA29:[a_cham=0+1121|uSign_cham=0@14,0+0|.notdef=0+600]

From 9dd29c681e8e856c139f20f405d7c0e04928aa70 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 14 Jul 2017 17:01:27 +0100
Subject: [PATCH 0324/1326] [use] Allow up to two medial-below letters

Fixes https://github.com/behdad/harfbuzz/issues/376
---
 src/hb-ot-shape-complex-use-machine.rl           |   3 ++-
 .../e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf | Bin 0 -> 2192 bytes
 test/shaping/tests/use-syllable.tests            |   3 +++
 3 files changed, 5 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf

diff --git a/src/hb-ot-shape-complex-use-machine.rl b/src/hb-ot-shape-complex-use-machine.rl
index f6b814b1d..2a7f75115 100644
--- a/src/hb-ot-shape-complex-use-machine.rl
+++ b/src/hb-ot-shape-complex-use-machine.rl
@@ -89,7 +89,8 @@ SMBlw	= 42; # SYM_MOD_BELOW
 
 
 consonant_modifiers = CMAbv* CMBlw* ((H B | SUB) VS? CMAbv? CMBlw*)*;
-medial_consonants = MPre? MAbv? MBlw? MPst?;
+# Override: Allow two MBlw. https://github.com/behdad/harfbuzz/issues/376
+medial_consonants = MPre? MAbv? MBlw?.MBlw? MPst?;
 dependent_vowels = VPre* VAbv* VBlw* VPst*;
 vowel_modifiers = VMPre* VMAbv* VMBlw* VMPst*;
 final_consonants = FAbv* FBlw* FPst* FM?;
diff --git a/test/shaping/fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf b/test/shaping/fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..ada70f7d462e908f9433bf02b692bfe46e52172a
GIT binary patch
literal 2192
zcmcgtNo*Tc82;bP*yF^Fvw4fN)UxBT-K23cw#RndG;W;5u1(@3Z4-f7XGq*6tsMuq
z&;^N20wgFBNEAd{HlcC|MXf6J!U-WRZ~zrl30k;tC{(ISsenTT9{xA3s{|p$iD$j#
z```cm<@?_o0|9_KcnVm^j17;B!W>Kj@S9MY7|TpdC(n+=5br|#$=LMnq3BirWdNNO
z@naLyKC$T|-30(m8u8qGL0(;Ze%A`(bBKo*^T+moJ9E5@>+b;A3rjh9L4WG|vjE(u
zD3g{@pnH+|9Q8ejJC_QFj~WtpqqzSE;_iHLUgo~g{EC>`vlir|tKcLo;uDDND{>*n
z88!v+{B6XE)#9PU(Qs-4KpRGUSy4bzZgJhr6bQhega?+1<IGYy!=u~}Q5XRrMlEkP
zn~YkgLkI>Wzi2j@q+q}ulyDTB4z0;(QKjoNG!EYE7lVOjqhIu+n$yAXo*u7rd@`2o
z6?*%&%ybL8hexM$?Ez=E=!wlfv3TH_@|T`^lijP&uq^2l$V*!uYPSwL0-3EYyC>o%
z=D?_{vneIS$HupBw)S`(&hEMNgDcB#^jQUG`F1C-4Pda!c{oRIVDv5;Iq$w7Bh8=!
z-EK^W$}8EB8?nKzs3=D2#)oa}fXGhFx*Bq`GY81oOx)KM=?ewBY@v2BZECG=4D4W&
zH4l&4e3k+G=xi1U=*t(`Q|t-oM1RNz&-XCFhERnTUQm7bE!sw-*-Tlout#2*+-cjs
z@c#U@Gh(=ThtaS&^`re}=Gk%2a{hGr;#|rU_*i+B2sgHLv~G5{b+rzR_undCdHRPB
z#q0rK%9oS~NN^5p-~<TKqM%ceR%IRkelf&j3Dg=$jeES3Giu^A+b1L5U@|%4lG=TB
zKiAX}!R&m!XbDGxTm8wYRL(STl@Yt#Vf2zvBFgcq7x#bg@|<bJDp-2zHRvVe4Wzb3
zt&V1g{w?(4GCN;eY*4+VGCOni;i?y<M(I~>!<*0y?Er2I-m_{FA;BF&!gwR5fTeP4
zx7s?};;}$raH!qYB6{32Efz~lZ||9ap*fzG5(z0CZ>kSAwY7fL=JB*iq6ok!3&>R%
z-o`g<0<cv12~kHp-b`vY9QFC4yQdtRTjD3XJw8`D98dNSKJM*nXdX!<1|p(QQOZMT
zrvup#KzkP-5a_OBvH$1F({GU;PCx@31`T>&-x&1;18jnW@E%+v2C{=ZLQax*$TzAc
zxxW9i)$HkP{kGqLWq+bazcw6ylFnC>;a|#;a+Br`cNL-bo+V&rVIL=h#H6uzDCfz`
z=pD+JuqObN8te<W9#Z8P4Y#-aE*^K6BY*y`x%0R9XyhClM_mn;<ps12kgCjNABbcK
zrFsp+X*h=AXjJ!G3}9?xVhmzyuqIV}aC=F%y3bhgr32XUtA!@8)7gk4<;Msd^x~|=
znE*pA;8zcD_AAOBszE#T$Kt5LFCewiK~HlvxYwrc&@}@FMB`9I?u+Pc8e~|3L%52=
z60Qp{1vyxRM<I`>ROL`P19%Ppp&^rmAuQpDhG+>-bfkvV61`T=&M(OYZBd=-j>!+?
z7MA6F1(i0S{CZ^EfO=NsQmJ^P?#Kp}4d|YV`Tn^LyNw%MWmii%ngTM2EYRk`H%0JQ
zi=E1e$~tA9@=lP+%KfbF(piUcM&+2ITChVu5SlFRs1?V`(E6d)!CYwt3<bG#5GzO}
zv{AbZR#L=~+S1`Xq@FaQEoPlorS?=CYm0}eF2R>!MoEVnIjhD&D@@O^YV<TS10o~-
zgM2`maGb-D!ANWI#Wet7Z&E2)!?6<6zvhr%UX;Or%<aFI1I>bVnuASURpQbjrnzzW
VLoeu!>Y*n!Y7Xe#;}KC-;V)FXl%fCt

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/use-syllable.tests b/test/shaping/tests/use-syllable.tests
index b864c3ead..ab050c91d 100644
--- a/test/shaping/tests/use-syllable.tests
+++ b/test/shaping/tests/use-syllable.tests
@@ -1 +1,4 @@
 fonts/sha1sum/96490dd2ff81233b335a650e7eb660e0e7b2eeea.ttf::U+AA00,U+AA2D,U+AA29:[a_cham=0+1121|uSign_cham=0@14,0+0|.notdef=0+600]
+fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA34,U+AA36:[raMedial_cham_pre=0+400|a_cham=0+1121|waMedial_cham=0@-32,0+0]
+fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA35,U+AA33:[a_cham=0+1121|laMedial_cham=0@-32,0+0|yaMedial_cham=0+542]
+fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA35,U+AA36:[a_cham=0+1121|laMedial_waMedial_cham=0@43,0+0]

From 9813be3d1212eef5a525d64978e0bb2032cd44d9 Mon Sep 17 00:00:00 2001
From: Cosimo Lupo <cosimo@anthrotype.com>
Date: Fri, 14 Jul 2017 17:11:46 +0100
Subject: [PATCH 0325/1326] [coretext] Allow to disable kern (#508)

* Minor

* [coretext] Fix leak

* [coretext] Do not reset num_features

* [coretext] allow to disable kern; re-enabling doesn't seem to be working
---
 src/hb-coretext.cc | 41 ++++++++++++++++++++++++++++++++---------
 1 file changed, 32 insertions(+), 9 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 8f2483b08..e237335e7 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -641,22 +641,23 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
 	  /* active_features.qsort (); */
 	  for (unsigned int j = 0; j < active_features.len; j++)
 	  {
-	    CFStringRef keys[2] = {
+	    CFStringRef keys[] = {
 	      kCTFontFeatureTypeIdentifierKey,
 	      kCTFontFeatureSelectorIdentifierKey
 	    };
-	    CFNumberRef values[2] = {
+	    CFNumberRef values[] = {
 	      CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &active_features[j].rec.feature),
 	      CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &active_features[j].rec.setting)
 	    };
+	    ASSERT_STATIC (ARRAY_LENGTH (keys) == ARRAY_LENGTH (values));
 	    CFDictionaryRef dict = CFDictionaryCreate (kCFAllocatorDefault,
 						       (const void **) keys,
 						       (const void **) values,
-						       2,
+						       ARRAY_LENGTH (keys),
 						       &kCFTypeDictionaryKeyCallBacks,
 						       &kCFTypeDictionaryValueCallBacks);
-	    CFRelease (values[0]);
-	    CFRelease (values[1]);
+	    for (unsigned int i = 0; i < ARRAY_LENGTH (values); i++)
+	      CFRelease (values[i]);
 
 	    CFArrayAppendValue (features_array, dict);
 	    CFRelease (dict);
@@ -699,9 +700,6 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
 	  active_features.remove (feature - active_features.array);
       }
     }
-
-    if (!range_records.len) /* No active feature found. */
-      goto fail_features;
   }
   else
   {
@@ -833,7 +831,7 @@ resize_and_retry:
       CFAttributedStringSetAttribute (attr_string, CFRangeMake (0, chars_len),
 				      kCTFontAttributeName, face_data->ct_font);
 
-      if (num_features)
+      if (num_features && range_records.len)
       {
 	unsigned int start = 0;
 	range_record_t *last_range = &range_records[0];
@@ -859,6 +857,30 @@ resize_and_retry:
 	  CFAttributedStringSetAttribute (attr_string, CFRangeMake (start, chars_len - start),
 					  kCTFontAttributeName, last_range->font);
       }
+      /* Enable/disable kern if requested.
+       *
+       * Note: once kern is disabled, reenabling it doesn't currently seem to work in CoreText.
+       */
+      if (num_features)
+      {
+	unsigned int zeroint = 0;
+	CFNumberRef zero = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &zeroint);
+	for (unsigned int i = 0; i < num_features; i++)
+	{
+	  const hb_feature_t &feature = features[i];
+	  if (feature.tag == HB_TAG('k','e','r','n') &&
+	      feature.start < chars_len && feature.start < feature.end)
+	  {
+	    CFRange feature_range = CFRangeMake (feature.start,
+	                                         MIN (feature.end, chars_len) - feature.start);
+	    if (feature.value)
+	      CFAttributedStringRemoveAttribute (attr_string, feature_range, kCTKernAttributeName);
+	    else
+	      CFAttributedStringSetAttribute (attr_string, feature_range, kCTKernAttributeName, zero);
+	  }
+	}
+	CFRelease (zero);
+      }
 
       int level = HB_DIRECTION_IS_FORWARD (buffer->props.direction) ? 0 : 1;
       CFNumberRef level_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &level);
@@ -868,6 +890,7 @@ resize_and_retry:
 						    1,
 						    &kCFTypeDictionaryKeyCallBacks,
 						    &kCFTypeDictionaryValueCallBacks);
+      CFRelease (level_number);
       if (unlikely (!options))
         FAIL ("CFDictionaryCreate failed");
 

From c1432bce3cfc1156d19b21892d4083afa8838d94 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 14 Jul 2017 17:34:47 +0100
Subject: [PATCH 0326/1326] [arabic] Adjust feature order again

Fixes https://github.com/behdad/harfbuzz/issues/505
---
 src/hb-ot-shape-complex-arabic.cc                |   7 ++++++-
 .../bf39b0e91ef9807f15a9e283a21a14a209fd2cfc.ttf | Bin 0 -> 7312 bytes
 test/shaping/tests/arabic-feature-order.tests    |   1 +
 3 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/bf39b0e91ef9807f15a9e283a21a14a209fd2cfc.ttf

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index c6609c575..5dbbcd9af 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -199,6 +199,9 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
    * work.  However, testing shows that rlig and calt are applied
    * together for Mongolian in Uniscribe.  As such, we only add a
    * pause for Arabic, not other scripts.
+   *
+   * A pause after calt is required to make KFGQPC Uthmanic Script HAFS
+   * work correctly.  See https://github.com/behdad/harfbuzz/issues/505
    */
 
   map->add_gsub_pause (nuke_joiners);
@@ -222,7 +225,10 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
   if (plan->props.script == HB_SCRIPT_ARABIC)
     map->add_gsub_pause (arabic_fallback_shape);
 
+  /* No pause after rclt.  See 98460779bae19e4d64d29461ff154b3527bf8420. */
+  map->add_global_bool_feature (HB_TAG('r','c','l','t'));
   map->add_global_bool_feature (HB_TAG('c','a','l','t'));
+  map->add_gsub_pause (NULL);
 
   /* The spec includes 'cswh'.  Earlier versions of Windows
    * used to enable this by default, but testing suggests
@@ -232,7 +238,6 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
    * Note that IranNastaliq uses this feature extensively
    * to fixup broken glyph sequences.  Oh well...
    * Test case: U+0643,U+0640,U+0631. */
-  //map->add_gsub_pause (NULL);
   //map->add_global_bool_feature (HB_TAG('c','s','w','h'));
   map->add_global_bool_feature (HB_TAG('m','s','e','t'));
 }
diff --git a/test/shaping/fonts/sha1sum/bf39b0e91ef9807f15a9e283a21a14a209fd2cfc.ttf b/test/shaping/fonts/sha1sum/bf39b0e91ef9807f15a9e283a21a14a209fd2cfc.ttf
new file mode 100644
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diff --git a/test/shaping/tests/arabic-feature-order.tests b/test/shaping/tests/arabic-feature-order.tests
index e60ab1a22..58e741e41 100644
--- a/test/shaping/tests/arabic-feature-order.tests
+++ b/test/shaping/tests/arabic-feature-order.tests
@@ -1,3 +1,4 @@
 fonts/sha1sum/813c2f8e5512187fd982417a7fb4286728e6f4a8.ttf::U+1820,U+180B:[uni2048.E81A=0+1550]
 fonts/sha1sum/8a9fea2a7384f2116e5b84a9b31f83be7850ce21.ttf::U+1820,U+180B:[uni2048.E81A=0+1550]
 fonts/sha1sum/a919b33197965846f21074b24e30250d67277bce.ttf::U+0644,U+0644,U+0647:[Lellah=0+1503]
+fonts/sha1sum/bf39b0e91ef9807f15a9e283a21a14a209fd2cfc.ttf::U+0644,U+064E,U+0670,U+0653,U+0626:[afii57414.zz04=4+1202|uni0670_uni0653=0@50,350+0|afii57454=0@550,1425+0|afii57444.calt=0+1065]

From fc15e60eadfc89aca5b8815262b8ee888f285169 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 18 Jul 2017 11:24:42 -0700
Subject: [PATCH 0327/1326] 1.4.7

---
 NEWS         | 10 ++++++++++
 configure.ac |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 9c7e7d3b4..5cbfacf23 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Overview of changes leading to 1.4.7
+Tuesday, July 18, 2017
+====================================
+
+- Multiple Indic, Tibetan, and Cham fixes.
+- CoreText: Allow disabling kerning.
+- Adjust Arabic feature order again.
+- Misc build fixes.
+
+
 Overview of changes leading to 1.4.6
 Sunday, April 23, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 6d1445550..ec9e29869 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.6],
+        [1.4.7],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 65f64d14005e4d0808e818b3c97bd3d600628011 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Wed, 19 Jul 2017 02:42:53 +0430
Subject: [PATCH 0328/1326] Unbreak arm-none-eabi build again (#514)

---
 src/hb-ot-shape-complex-indic.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 0232b3057..02aab082c 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -200,7 +200,7 @@ set_indic_properties (hb_glyph_info_t &info)
     cat = OT_Symbol;
     ASSERT_STATIC ((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol);
   }
-  else if (unlikely (hb_in_range (u, 0x17CDu, 0x17D1u) ||
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
 		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
   {
     /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.

From e60350551addbd945491f662e98464c9e3e9fec5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 18 Jul 2017 19:14:19 -0700
Subject: [PATCH 0329/1326] [hb-shape] Improve shaping-debug output

Before, that was printed using --debug (and in both hb-shape and hb-view).
Changed it, now hb-shape has a new command-line argument called --show-messages.
When invoked, it also respects other output formatting options.  The messages
are better formatted and printed to te same place that hb-shape output is
directed to.  Previously they were written to stderr.

Fixes https://github.com/behdad/harfbuzz/issues/506
---
 util/hb-ot-shape-closure.cc | 10 +++++++---
 util/hb-shape.cc            | 33 +++++++++++++++++++++++++++++++--
 util/main-font-text.hh      | 27 ++++-----------------------
 util/options.cc             | 10 +++++++---
 util/options.hh             |  2 ++
 util/shape-consumer.hh      | 18 ++++++++++++------
 util/view-cairo.hh          |  4 ++--
 7 files changed, 65 insertions(+), 39 deletions(-)

diff --git a/util/hb-ot-shape-closure.cc b/util/hb-ot-shape-closure.cc
index 859f9a606..be71a893e 100644
--- a/util/hb-ot-shape-closure.cc
+++ b/util/hb-ot-shape-closure.cc
@@ -53,14 +53,15 @@ struct shape_closure_consumer_t : option_group_t
 		       this);
   }
 
-  void init (const font_options_t *font_opts)
+  void init (hb_buffer_t  *buffer_,
+	     const font_options_t *font_opts)
   {
     glyphs = hb_set_create ();
     font = hb_font_reference (font_opts->get_font ());
     failed = false;
+    buffer = hb_buffer_reference (buffer_);
   }
-  void consume_line (hb_buffer_t  *buffer,
-		     const char   *text,
+  void consume_line (const char   *text,
 		     unsigned int  text_len,
 		     const char   *text_before,
 		     const char   *text_after)
@@ -95,6 +96,8 @@ struct shape_closure_consumer_t : option_group_t
     font = NULL;
     hb_set_destroy (glyphs);
     glyphs = NULL;
+    hb_buffer_destroy (buffer);
+    buffer = NULL;
   }
 
   bool failed;
@@ -105,6 +108,7 @@ struct shape_closure_consumer_t : option_group_t
 
   hb_set_t *glyphs;
   hb_font_t *font;
+  hb_buffer_t *buffer;
 };
 
 int
diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index 75c3793b5..885843166 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -39,7 +39,7 @@ struct output_buffer_t
 		    output_format (HB_BUFFER_SERIALIZE_FORMAT_INVALID),
 		    format_flags (HB_BUFFER_SERIALIZE_FLAG_DEFAULT) {}
 
-  void init (const font_options_t *font_opts)
+  void init (hb_buffer_t *buffer, const font_options_t *font_opts)
   {
     options.get_file_handle ();
     gs = g_string_new (NULL);
@@ -75,6 +75,9 @@ struct output_buffer_t
     if (format.show_extents)
       flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
     format_flags = (hb_buffer_serialize_flags_t) flags;
+
+    if (format.show_messages)
+      hb_buffer_set_message_func (buffer, message_func, this, NULL);
   }
   void new_line (void)
   {
@@ -108,14 +111,40 @@ struct output_buffer_t
 				       output_format, format_flags, gs);
     fprintf (options.fp, "%s", gs->str);
   }
-  void finish (const font_options_t *font_opts)
+  void finish (hb_buffer_t *buffer, const font_options_t *font_opts)
   {
+    hb_buffer_set_message_func (buffer, NULL, NULL, NULL);
     hb_font_destroy (font);
     g_string_free (gs, true);
     gs = NULL;
     font = NULL;
   }
 
+  static hb_bool_t
+  message_func (hb_buffer_t *buffer,
+		hb_font_t *font,
+		const char *message,
+		void *user_data)
+  {
+    output_buffer_t *that = (output_buffer_t *) user_data;
+    that->message (buffer, font, message);
+    return true;
+  }
+
+  void
+  message (hb_buffer_t *buffer,
+	   hb_font_t *font,
+	   const char *message)
+  {
+    g_string_set_size (gs, 0);
+    format.serialize_line_no (line_no, gs);
+    g_string_append_printf (gs, "HB: %s	buffer: ", message);
+    format.serialize_glyphs (buffer, font, output_format, format_flags, gs);
+    g_string_append_c (gs, '\n');
+    fprintf (options.fp, "%s", gs->str);
+  }
+
+
   protected:
   output_options_t options;
   format_options_t format;
diff --git a/util/main-font-text.hh b/util/main-font-text.hh
index 55de56766..51f162785 100644
--- a/util/main-font-text.hh
+++ b/util/main-font-text.hh
@@ -46,23 +46,6 @@ locale_to_utf8 (char *s)
   return t;
 }
 
-static hb_bool_t
-message_func (hb_buffer_t *buffer,
-	      hb_font_t *font,
-	      const char *message,
-	      void *user_data)
-{
-  fprintf (stderr, "HB: %s\n", message);
-  char buf[4096];
-  hb_buffer_serialize_glyphs (buffer, 0, hb_buffer_get_length (buffer),
-			      buf, sizeof (buf), NULL,
-			      font,
-			      HB_BUFFER_SERIALIZE_FORMAT_TEXT,
-			      HB_BUFFER_SERIALIZE_FLAG_DEFAULT);
-  fprintf (stderr, "HB: buffer [%s]\n", buf);
-  return true;
-}
-
 template <typename consumer_t, int default_font_size, int subpixel_bits>
 struct main_font_text_t
 {
@@ -87,16 +70,14 @@ struct main_font_text_t
     if (!input.text && !input.text_file)
       input.text_file = g_strdup ("-");
 
-    consumer.init (&font_opts);
-
     hb_buffer_t *buffer = hb_buffer_create ();
-    if (debug)
-      hb_buffer_set_message_func (buffer, message_func, NULL, NULL);
+    consumer.init (buffer, &font_opts);
+    hb_buffer_destroy (buffer);
+
     unsigned int text_len;
     const char *text;
     while ((text = input.get_line (&text_len)))
-      consumer.consume_line (buffer, text, text_len, input.text_before, input.text_after);
-    hb_buffer_destroy (buffer);
+      consumer.consume_line (text, text_len, input.text_before, input.text_after);
 
     consumer.finish (&font_opts);
 
diff --git a/util/options.cc b/util/options.cc
index 0f2e207d0..ee749640e 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -777,6 +777,7 @@ format_options_t::add_options (option_parser_t *parser)
     {"no-clusters",	0, G_OPTION_FLAG_REVERSE,
 			      G_OPTION_ARG_NONE,	&this->show_clusters,		"Do not output cluster indices",					NULL},
     {"show-extents",	0, 0, G_OPTION_ARG_NONE,	&this->show_extents,		"Output glyph extents",							NULL},
+    {"show-messages",	0, 0, G_OPTION_ARG_NONE,	&this->show_messages,		"Output shaping debug messages",					NULL},
     {NULL}
   };
   parser->add_group (entries,
@@ -818,7 +819,8 @@ format_options_t::serialize_glyphs (hb_buffer_t *buffer,
   unsigned int num_glyphs = hb_buffer_get_length (buffer);
   unsigned int start = 0;
 
-  while (start < num_glyphs) {
+  while (start < num_glyphs)
+  {
     char buf[1024];
     unsigned int consumed;
     start += hb_buffer_serialize_glyphs (buffer, start, num_glyphs,
@@ -845,7 +847,8 @@ format_options_t::serialize_buffer_of_text (hb_buffer_t  *buffer,
 					    hb_font_t    *font,
 					    GString      *gs)
 {
-  if (show_text) {
+  if (show_text)
+  {
     serialize_line_no (line_no, gs);
     g_string_append_c (gs, '(');
     g_string_append_len (gs, text, text_len);
@@ -853,7 +856,8 @@ format_options_t::serialize_buffer_of_text (hb_buffer_t  *buffer,
     g_string_append_c (gs, '\n');
   }
 
-  if (show_unicode) {
+  if (show_unicode)
+  {
     serialize_line_no (line_no, gs);
     serialize_unicode (buffer, gs);
     g_string_append_c (gs, '\n');
diff --git a/util/options.hh b/util/options.hh
index 9ed4fd0e2..ff6a61ba1 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -437,6 +437,7 @@ struct format_options_t : option_group_t
     show_unicode = false;
     show_line_num = false;
     show_extents = false;
+    show_messages = false;
 
     add_options (parser);
   }
@@ -478,6 +479,7 @@ struct format_options_t : option_group_t
   hb_bool_t show_unicode;
   hb_bool_t show_line_num;
   hb_bool_t show_extents;
+  hb_bool_t show_messages;
 };
 
 /* fallback implementation for scalbn()/scalbnf() for pre-2013 MSVC */
diff --git a/util/shape-consumer.hh b/util/shape-consumer.hh
index 422c8cdc8..784924284 100644
--- a/util/shape-consumer.hh
+++ b/util/shape-consumer.hh
@@ -39,14 +39,16 @@ struct shape_consumer_t
 		    output (parser),
 		    font (NULL) {}
 
-  void init (const font_options_t *font_opts)
+  void init (hb_buffer_t  *buffer_,
+	     const font_options_t *font_opts)
   {
     font = hb_font_reference (font_opts->get_font ());
-    output.init (font_opts);
     failed = false;
+    buffer = hb_buffer_reference (buffer_);
+
+    output.init (buffer, font_opts);
   }
-  void consume_line (hb_buffer_t  *buffer,
-		     const char   *text,
+  void consume_line (const char   *text,
 		     unsigned int  text_len,
 		     const char   *text_before,
 		     const char   *text_after)
@@ -58,7 +60,8 @@ struct shape_consumer_t
       shaper.populate_buffer (buffer, text, text_len, text_before, text_after);
       if (n == 1)
 	output.consume_text (buffer, text, text_len, shaper.utf8_clusters);
-      if (!shaper.shape (font, buffer)) {
+      if (!shaper.shape (font, buffer))
+      {
 	failed = true;
 	hb_buffer_set_length (buffer, 0);
 	output.shape_failed (buffer, text, text_len, shaper.utf8_clusters);
@@ -70,9 +73,11 @@ struct shape_consumer_t
   }
   void finish (const font_options_t *font_opts)
   {
-    output.finish (font_opts);
+    output.finish (buffer, font_opts);
     hb_font_destroy (font);
     font = NULL;
+    hb_buffer_destroy (buffer);
+    buffer = NULL;
   }
 
   public:
@@ -83,6 +88,7 @@ struct shape_consumer_t
   output_t output;
 
   hb_font_t *font;
+  hb_buffer_t *buffer;
 };
 
 
diff --git a/util/view-cairo.hh b/util/view-cairo.hh
index f55d4bb4d..ef229ff79 100644
--- a/util/view-cairo.hh
+++ b/util/view-cairo.hh
@@ -43,7 +43,7 @@ struct view_cairo_t
       cairo_debug_reset_static_data ();
   }
 
-  void init (const font_options_t *font_opts)
+  void init (hb_buffer_t *buffer, const font_options_t *font_opts)
   {
     lines = g_array_new (false, false, sizeof (helper_cairo_line_t));
     scale_bits = -font_opts->subpixel_bits;
@@ -74,7 +74,7 @@ struct view_cairo_t
     helper_cairo_line_from_buffer (&l, buffer, text, text_len, scale_bits, utf8_clusters);
     g_array_append_val (lines, l);
   }
-  void finish (const font_options_t *font_opts)
+  void finish (hb_buffer_t *buffer, const font_options_t *font_opts)
   {
     render (font_opts);
 

From 6f38845d9c6852812eb1963a1fd7e5ec771e5ce3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 19 Jul 2017 17:20:55 -0700
Subject: [PATCH 0330/1326] [hb-shape] Rename --show-messages to --trace

https://github.com/behdad/harfbuzz/issues/506
---
 util/hb-shape.cc | 2 +-
 util/options.cc  | 2 +-
 util/options.hh  | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index 885843166..8a27da9e9 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -76,7 +76,7 @@ struct output_buffer_t
       flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
     format_flags = (hb_buffer_serialize_flags_t) flags;
 
-    if (format.show_messages)
+    if (format.trace)
       hb_buffer_set_message_func (buffer, message_func, this, NULL);
   }
   void new_line (void)
diff --git a/util/options.cc b/util/options.cc
index ee749640e..452b0ce85 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -777,7 +777,7 @@ format_options_t::add_options (option_parser_t *parser)
     {"no-clusters",	0, G_OPTION_FLAG_REVERSE,
 			      G_OPTION_ARG_NONE,	&this->show_clusters,		"Do not output cluster indices",					NULL},
     {"show-extents",	0, 0, G_OPTION_ARG_NONE,	&this->show_extents,		"Output glyph extents",							NULL},
-    {"show-messages",	0, 0, G_OPTION_ARG_NONE,	&this->show_messages,		"Output shaping debug messages",					NULL},
+    {"trace",		0, 0, G_OPTION_ARG_NONE,	&this->trace,			"Output interim shaping results",					NULL},
     {NULL}
   };
   parser->add_group (entries,
diff --git a/util/options.hh b/util/options.hh
index ff6a61ba1..4b528c2ba 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -437,7 +437,7 @@ struct format_options_t : option_group_t
     show_unicode = false;
     show_line_num = false;
     show_extents = false;
-    show_messages = false;
+    trace = false;
 
     add_options (parser);
   }
@@ -479,7 +479,7 @@ struct format_options_t : option_group_t
   hb_bool_t show_unicode;
   hb_bool_t show_line_num;
   hb_bool_t show_extents;
-  hb_bool_t show_messages;
+  hb_bool_t trace;
 };
 
 /* fallback implementation for scalbn()/scalbnf() for pre-2013 MSVC */

From dc2c418e397bf251faf03d824fc780ac19bb1dee Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 3 Aug 2017 12:34:15 +0100
Subject: [PATCH 0331/1326] [check-defs/symbols.sh] Drop empty-symbol lines

Fixes https://github.com/behdad/harfbuzz/issues/510
---
 src/check-defs.sh    | 2 +-
 src/check-symbols.sh | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/check-defs.sh b/src/check-defs.sh
index 65a24670e..480d49992 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -21,7 +21,7 @@ for def in $defs; do
 	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
 	so=.libs/lib${lib}.so
 
-	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
+	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
 
 	if test -f "$so"; then
 
diff --git a/src/check-symbols.sh b/src/check-symbols.sh
index ba09ba1cc..d4d655d26 100755
--- a/src/check-symbols.sh
+++ b/src/check-symbols.sh
@@ -20,7 +20,7 @@ for suffix in so dylib; do
 	so=.libs/libharfbuzz.$suffix
 	if ! test -f "$so"; then continue; fi
 
-	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| ___gcov_flush\>\| llvm_\| _llvm_' | cut -d' ' -f3`"
+	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| ___gcov_flush\>\| llvm_\| _llvm_' | cut -d' ' -f3`"
 
 	prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
 

From 5dc30451b80f6bb0079424a130875c10486e4d34 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 7 Aug 2017 21:37:07 -0700
Subject: [PATCH 0332/1326] Two fixes to avar mapping

1. Handle segment with two entries correctly,

2. Fix rounding math.  Ouch!

Fixes https://github.com/behdad/harfbuzz/issues/521
---
 src/hb-ot-var-avar-table.hh | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-var-avar-table.hh b/src/hb-ot-var-avar-table.hh
index ace0f5f28..464cf35bb 100644
--- a/src/hb-ot-var-avar-table.hh
+++ b/src/hb-ot-var-avar-table.hh
@@ -57,8 +57,13 @@ struct SegmentMaps : ArrayOf<AxisValueMap>
      * that at least -1, 0, and +1 must be mapped. But we include these as
      * part of a better error recovery scheme. */
 
-    if (!len)
-      return value;
+    if (len < 2)
+    {
+      if (!len)
+	return value;
+      else /* len == 1*/
+	return value - array[0].fromCoord + array[0].toCoord;
+    }
 
     if (value <= array[0].fromCoord)
       return value - array[0].fromCoord + array[0].toCoord;
@@ -76,8 +81,8 @@ struct SegmentMaps : ArrayOf<AxisValueMap>
 
     int denom = array[i].fromCoord - array[i-1].fromCoord;
     return array[i-1].toCoord +
-	   (array[i].toCoord - array[i-1].toCoord) *
-	   (value - array[i-1].fromCoord + denom/2) / denom;
+	   ((array[i].toCoord - array[i-1].toCoord) *
+	    (value - array[i-1].fromCoord) + denom/2) / denom;
   }
 
   DEFINE_SIZE_ARRAY (2, array);

From 7917792f01603f91b703d12e12d8baced655a615 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 8 Aug 2017 13:17:03 -0700
Subject: [PATCH 0333/1326] 1.4.8

---
 NEWS         | 9 +++++++++
 configure.ac | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 5cbfacf23..b058bad3c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+Overview of changes leading to 1.4.8
+Tuesday, August 8, 2017
+====================================
+
+- Major fix to avar table handling.
+- Rename hb-shape --show-message to --trace.
+- Build fixes.
+
+
 Overview of changes leading to 1.4.7
 Tuesday, July 18, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index ec9e29869..52134c877 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.7],
+        [1.4.8],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 3b54d0337e6119a4397573f5589b771a68b2ecd9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 8 Aug 2017 18:37:03 -0700
Subject: [PATCH 0334/1326] Add tests for 'avar' fix
 5dc30451b80f6bb0079424a130875c10486e4d34

---
 test/shaping/Makefile.am                      |   1 +
 ...3d76ea0909c14972796937ba072b5a40c1e257.ttf | Bin 0 -> 1812 bytes
 test/shaping/record-test.sh                   |   1 +
 test/shaping/tests/variations-rvrn.tests      | 100 ++++++++++++++++++
 4 files changed, 102 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf
 create mode 100644 test/shaping/tests/variations-rvrn.tests

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index e44410158..6617e679c 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -72,6 +72,7 @@ TESTS = \
 	tests/use.tests \
 	tests/use-marchen.tests \
 	tests/use-syllable.tests \
+	tests/variations-rvrn.tests \
 	tests/vertical.tests \
 	tests/zero-width-marks.tests \
 	$(NULL)
diff --git a/test/shaping/fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf b/test/shaping/fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..351fc3a1f995a1c232a1569aefd204590591f83e
GIT binary patch
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zWW!dppJ~_@S}@wMZS-TjVaFJ~!pmdDudtt@{?jP(US^*q&S4cV63_Cy&xdi7$m6xp
zI)@SZi@b9DB4pU-`IKq;ii|GMIvK`E<|6awu*kfbM)qT&?^O&ii%0&yqa(%m()CTw
z*sW1bWhr}4VWqH`o${8a+d^yk!qjq6;ziXqYSP)5tjKiYVJZMttqzZlXV6OZ*{Hol
zD@j03nrf_zB34vWW=B`#<v#+A2g&h+EuQ{M!_hN^k#&hs)OU0JZLYb6?#UCU4u=sE
za7HYJ(UX}>le1Pr&OUi;V5G@KyI#dql)Fju{hK)&ROIJ=4iJRYFgGV+P1JuWNlfNW
Re^jIFPX6z(&S(q=;BN$xOwRxS

literal 0
HcmV?d00001

diff --git a/test/shaping/record-test.sh b/test/shaping/record-test.sh
index cf17c5424..886d94661 100755
--- a/test/shaping/record-test.sh
+++ b/test/shaping/record-test.sh
@@ -46,6 +46,7 @@ cp "$fontfile" "$dir/font.ttf"
 pyftsubset \
 	--glyph-names \
 	--no-hinting \
+	--layout-features='*' \
 	"$dir/font.ttf" \
 	--text="$text"
 if ! test -s "$dir/font.subset.ttf"; then
diff --git a/test/shaping/tests/variations-rvrn.tests b/test/shaping/tests/variations-rvrn.tests
new file mode 100644
index 000000000..a99c7f16f
--- /dev/null
+++ b/test/shaping/tests/variations-rvrn.tests
@@ -0,0 +1,100 @@
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=1:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=11:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=21:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=31:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=41:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=51:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=61:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=71:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=81:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=91:U+0072:[rvrn_base=0+1529]
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+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=431:U+0072:[rvrn_base=0+1529]
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+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=461:U+0072:[rvrn_base=0+1529]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=471:U+0072:[rvrn_base=0+1529]
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+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=491:U+0072:[rvrn_subst=0+1825]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=501:U+0072:[rvrn_subst=0+1825]
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+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=521:U+0072:[rvrn_subst=0+1825]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=531:U+0072:[rvrn_subst=0+1825]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=541:U+0072:[rvrn_subst=0+1825]
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+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=971:U+0072:[rvrn_subst=0+1825]
+fonts/sha1sum/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=981:U+0072:[rvrn_subst=0+1825]
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From 68af14d5cc666ebf0596766cbed87cc9404fd50f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 9 Aug 2017 17:09:21 -0700
Subject: [PATCH 0335/1326] Protect against div-by-zero in CBDT extent code

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1452#c5

CC https://github.com/behdad/harfbuzz/issues/139
---
 src/hb-ft.cc         | 4 ++--
 src/hb-ot-font.cc    | 6 +++---
 src/hb-shape-plan.cc | 4 ++--
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 48d6a0efb..2a1868d07 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -493,7 +493,7 @@ reference_table  (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
     return NULL;
 
   buffer = (FT_Byte *) malloc (length);
-  if (buffer == NULL)
+  if (!buffer)
     return NULL;
 
   error = FT_Load_Sfnt_Table (ft_face, tag, 0, buffer, &length);
@@ -521,7 +521,7 @@ hb_ft_face_create (FT_Face           ft_face,
 {
   hb_face_t *face;
 
-  if (ft_face->stream->read == NULL) {
+  if (!ft_face->stream->read) {
     hb_blob_t *blob;
 
     blob = hb_blob_create ((const char *) ft_face->stream->base,
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 2ce29cdff..d3251caf7 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -224,7 +224,7 @@ struct hb_ot_face_cbdt_accelerator_t
   const OT::CBDT *cbdt;
 
   unsigned int cbdt_len;
-  float upem;
+  unsigned int upem;
 
   inline void init (hb_face_t *face)
   {
@@ -254,11 +254,11 @@ struct hb_ot_face_cbdt_accelerator_t
   {
     unsigned int x_ppem = upem, y_ppem = upem; /* TODO Use font ppem if available. */
 
-    if (cblc == NULL)
+    if (!cblc)
       return false;  // Not a color bitmap font.
 
     const OT::IndexSubtableRecord *subtable_record = this->cblc->find_table(glyph, &x_ppem, &y_ppem);
-    if (subtable_record == NULL)
+    if (!subtable_record || !x_ppem || !y_ppem)
       return false;
 
     if (subtable_record->get_extents (extents))
diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index 61737669c..3abf555c5 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -160,7 +160,7 @@ hb_shape_plan_create2 (hb_face_t                     *face,
   assert (props->direction != HB_DIRECTION_INVALID);
 
   hb_face_make_immutable (face);
-  shape_plan->default_shaper_list = shaper_list == NULL;
+  shape_plan->default_shaper_list = !shaper_list;
   shape_plan->face_unsafe = face;
   shape_plan->props = *props;
   shape_plan->num_user_features = num_user_features;
@@ -423,7 +423,7 @@ hb_shape_plan_matches (const hb_shape_plan_t          *shape_plan,
   return hb_segment_properties_equal (&shape_plan->props, &proposal->props) &&
 	 hb_shape_plan_user_features_match (shape_plan, proposal) &&
 	 hb_shape_plan_coords_match (shape_plan, proposal) &&
-	 ((shape_plan->default_shaper_list && proposal->shaper_list == NULL) ||
+	 ((shape_plan->default_shaper_list && !proposal->shaper_list) ||
 	  (shape_plan->shaper_func == proposal->shaper_func));
 }
 

From 5a330575768f5a213072230b9ec8faabac9c5737 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 9 Aug 2017 17:23:28 -0700
Subject: [PATCH 0336/1326] Treat HAMZA ABOVE similar to SHADD for sorting
 purposes

Part of https://github.com/behdad/harfbuzz/issues/509
---
 src/hb-unicode-private.hh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index aa86a72c4..34513e132 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -105,6 +105,10 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
   inline unsigned int
   modified_combining_class (hb_codepoint_t unicode)
   {
+    /* XXX This hack belongs to the Arabic shaper:
+     * Put HAMZA ABOVE in the same class as SHADDA. */
+    if (unlikely (unicode == 0x0654u)) unicode = 0x0651u;
+
     /* XXX This hack belongs to the Myanmar shaper. */
     if (unlikely (unicode == 0x1037u)) unicode = 0x103Au;
 

From ac8c4e56d8b8c2e7a8f4802f83deb935bd6bbbd3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 9 Aug 2017 22:05:08 -0700
Subject: [PATCH 0337/1326] [ft] Fix theoretical leak

---
 src/hb-ft.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 2a1868d07..492992ee4 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -632,9 +632,9 @@ hb_ft_font_create (FT_Face           ft_face,
 
 	hb_font_set_var_coords_normalized (font, coords, mm_var->num_axis);
       }
-      free (coords);
-      free (ft_coords);
     }
+    free (coords);
+    free (ft_coords);
     free (mm_var);
   }
 #endif

From 356f93b64b6005f44bcfc329f6f9e150ec32fc26 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 9 Aug 2017 22:06:53 -0700
Subject: [PATCH 0338/1326] [util] Fix warning

---
 util/shape-consumer.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/util/shape-consumer.hh b/util/shape-consumer.hh
index 784924284..cfab4497f 100644
--- a/util/shape-consumer.hh
+++ b/util/shape-consumer.hh
@@ -37,7 +37,8 @@ struct shape_consumer_t
 		  : failed (false),
 		    shaper (parser),
 		    output (parser),
-		    font (NULL) {}
+		    font (NULL),
+		    buffer (NULL) {}
 
   void init (hb_buffer_t  *buffer_,
 	     const font_options_t *font_opts)

From 3e44748ebe1524aef6feb01c42d342e8a2d77d34 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 9 Aug 2017 22:09:01 -0700
Subject: [PATCH 0339/1326] [util] Fix two other Coverity warnings

---
 util/options.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/util/options.cc b/util/options.cc
index 452b0ce85..f4c111194 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -240,6 +240,8 @@ parse_features (const char *name G_GNUC_UNUSED,
   } while (p);
 
   shape_opts->features = (hb_feature_t *) calloc (shape_opts->num_features, sizeof (*shape_opts->features));
+  if (!shape_opts->features)
+    return false;
 
   /* now do the actual parsing */
   p = s;
@@ -281,6 +283,8 @@ parse_variations (const char *name G_GNUC_UNUSED,
   } while (p);
 
   font_opts->variations = (hb_variation_t *) calloc (font_opts->num_variations, sizeof (*font_opts->variations));
+  if (!font_opts->variations)
+    return false;
 
   /* now do the actual parsing */
   p = s;

From 40bd7e9a1cf422b17f15d0f66547bde9098e6ef3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 May 2016 14:47:45 +0200
Subject: [PATCH 0340/1326] [unsafe-to-break] Add UNSAFE_TO_BREAK flag

Not all shapers code is updated to set this properly.
GSUB and Arabic shaper are updated.
GPOS and other shapers are NOT.

Fixes https://github.com/behdad/harfbuzz/issues/224
---
 src/hb-buffer-private.hh             | 26 ++++++-----
 src/hb-buffer-serialize.cc           | 24 +++++++---
 src/hb-buffer.cc                     | 67 ++++++++++++++++++++++++++++
 src/hb-buffer.h                      | 10 ++++-
 src/hb-ot-layout-gsub-table.hh       |  7 ++-
 src/hb-ot-layout-gsubgpos-private.hh | 27 +++++++----
 src/hb-ot-map.cc                     |  2 +
 src/hb-ot-shape-complex-arabic.cc    |  3 ++
 util/hb-shape.cc                     |  2 +
 util/options.cc                      |  1 +
 util/options.hh                      |  2 +
 11 files changed, 142 insertions(+), 29 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index bca308da2..e598f9e1a 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -232,25 +232,31 @@ struct hb_buffer_t {
     for (unsigned int j = 0; j < len; j++)
       info[j].mask |= mask;
   }
-  HB_INTERNAL void set_masks (hb_mask_t value,
-			      hb_mask_t mask,
-			      unsigned int cluster_start,
-			      unsigned int cluster_end);
+  HB_INTERNAL void set_masks (hb_mask_t value, hb_mask_t mask,
+			      unsigned int cluster_start, unsigned int cluster_end);
 
-  HB_INTERNAL void merge_clusters (unsigned int start,
-				   unsigned int end)
+  inline void merge_clusters (unsigned int start, unsigned int end)
   {
     if (end - start < 2)
       return;
     merge_clusters_impl (start, end);
   }
-  HB_INTERNAL void merge_clusters_impl (unsigned int start,
-					unsigned int end);
-  HB_INTERNAL void merge_out_clusters (unsigned int start,
-				       unsigned int end);
+  HB_INTERNAL void merge_clusters_impl (unsigned int start, unsigned int end);
+  HB_INTERNAL void merge_out_clusters (unsigned int start, unsigned int end);
   /* Merge clusters for deleting current glyph, and skip it. */
   HB_INTERNAL void delete_glyph (void);
 
+  inline void unsafe_to_break (unsigned int start,
+			       unsigned int end)
+  {
+    if (end - start < 2)
+      return;
+    unsafe_to_break_impl (start, end);
+  }
+  HB_INTERNAL void unsafe_to_break_impl (unsigned int start, unsigned int end);
+  HB_INTERNAL void unsafe_to_break_from_outbuffer (unsigned int start, unsigned int end);
+
+
   /* Internal methods */
   HB_INTERNAL bool enlarge (unsigned int size);
 
diff --git a/src/hb-buffer-serialize.cc b/src/hb-buffer-serialize.cc
index 85696c589..f4a89ac26 100644
--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@@ -145,10 +145,16 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
 
     if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS))
     {
-      p += snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"dx\":%d,\"dy\":%d",
-		     pos[i].x_offset, pos[i].y_offset);
-      p += snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"ax\":%d,\"ay\":%d",
-		     pos[i].x_advance, pos[i].y_advance);
+      p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"dx\":%d,\"dy\":%d",
+			     pos[i].x_offset, pos[i].y_offset));
+      p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"ax\":%d,\"ay\":%d",
+			     pos[i].x_advance, pos[i].y_advance));
+    }
+
+    if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS)
+    {
+      if (info[i].mask &HB_GLYPH_FLAG_DEFINED)
+	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"fl\":%u", info[i].mask &HB_GLYPH_FLAG_DEFINED));
     }
 
     if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
@@ -156,9 +162,9 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
       hb_glyph_extents_t extents;
       hb_font_get_glyph_extents(font, info[i].codepoint, &extents);
       p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d",
-        extents.x_bearing, extents.y_bearing));
+		extents.x_bearing, extents.y_bearing));
       p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d",
-        extents.width, extents.height));
+		extents.width, extents.height));
     }
 
     *p++ = '}';
@@ -226,6 +232,12 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
 	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",%d", pos[i].y_advance));
     }
 
+    if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS)
+    {
+      if (info[i].mask &HB_GLYPH_FLAG_DEFINED)
+	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "#%X", info[i].mask &HB_GLYPH_FLAG_DEFINED));
+    }
+
     if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
     {
       hb_glyph_extents_t extents;
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 3777f7f8f..afec26ff0 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -637,6 +637,73 @@ done:
   skip_glyph ();
 }
 
+static inline void
+unsafe_to_break_two_infos (hb_glyph_info_t &info1, hb_glyph_info_t &info2)
+{
+  if (info1.cluster == info2.cluster)
+    return;
+  hb_glyph_info_t &unsafe = info1.cluster > info2.cluster ? info1 : info2;
+  unsafe.mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+}
+static void
+unsafe_to_break_infos_monotone (hb_glyph_info_t *info, unsigned int start, unsigned int end)
+{
+  for (unsigned int i = start + 1; i < end; i++)
+    unsafe_to_break_two_infos (info[i - 1], info[i]);
+}
+static unsigned int
+infos_min_cluster (const hb_glyph_info_t *info, unsigned int start, unsigned int end,
+		   unsigned int cluster)
+{
+  for (unsigned int i = start; i < end; i++)
+    cluster = MIN (cluster, info[i].cluster);
+  return cluster;
+}
+static void
+infos_unsafe_to_break_cluster (hb_glyph_info_t *info, unsigned int start, unsigned int end,
+			       unsigned int cluster)
+{
+  for (unsigned int i = start; i < end; i++)
+    if (cluster != info[i].cluster)
+      info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+}
+void
+hb_buffer_t::unsafe_to_break_impl (unsigned int start, unsigned int end)
+{
+  if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
+  {
+    unsigned int cluster = (unsigned int) -1;
+    cluster = infos_min_cluster (info, start, end, cluster);
+    infos_unsafe_to_break_cluster (info, start, end, cluster);
+    return;
+  }
+
+  /* The case of monotone clusters can be done faster. */
+  unsafe_to_break_infos_monotone (info, start, end);
+}
+void
+hb_buffer_t::unsafe_to_break_from_outbuffer (unsigned int start, unsigned int end)
+{
+  assert (start <= out_len);
+  assert (idx <= end);
+
+  if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
+  {
+    unsigned int cluster = (unsigned int) -1;
+    cluster = infos_min_cluster (out_info, start, out_len, cluster);
+    cluster = infos_min_cluster (info, idx, end, cluster);
+    infos_unsafe_to_break_cluster (out_info, start, out_len, cluster);
+    infos_unsafe_to_break_cluster (info, idx, end, cluster);
+    return;
+  }
+
+  /* The case of monotone clusters can be done faster. */
+  unsafe_to_break_infos_monotone (out_info, start, out_len);
+  if (start < out_len && idx < end)
+    unsafe_to_break_two_infos (out_info[out_len - 1], info[idx]);
+  unsafe_to_break_infos_monotone (info, idx, end);
+}
+
 void
 hb_buffer_t::guess_segment_properties (void)
 {
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index bf289c19b..995191a9d 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -63,7 +63,7 @@ HB_BEGIN_DECLS
  */
 typedef struct hb_glyph_info_t {
   hb_codepoint_t codepoint;
-  hb_mask_t      mask;
+  hb_mask_t      mask; /* Holds hb_glyph_flags_t after hb_shape() */
   uint32_t       cluster;
 
   /*< private >*/
@@ -71,6 +71,11 @@ typedef struct hb_glyph_info_t {
   hb_var_int_t   var2;
 } hb_glyph_info_t;
 
+typedef enum { /*< flags >*/
+  HB_GLYPH_FLAG_UNSAFE_TO_BREAK		= 0x00000002,
+  HB_GLYPH_FLAG_DEFINED			= 0x00000002 /* OR of all defined flags */
+} hb_glyph_flags_t;
+
 /**
  * hb_glyph_position_t:
  * @x_advance: how much the line advances after drawing this glyph when setting
@@ -403,7 +408,8 @@ typedef enum { /*< flags >*/
   HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS		= 0x00000001u,
   HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS		= 0x00000002u,
   HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES	= 0x00000004u,
-  HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS	= 0x00000008u
+  HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS	= 0x00000008u,
+  HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS		= 0x00000010u
 } hb_buffer_serialize_flags_t;
 
 /**
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 66fcb3f3a..85be7e7ea 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -1014,14 +1014,17 @@ struct ReverseChainSingleSubstFormat1
     const OffsetArrayOf<Coverage> &lookahead = StructAfter<OffsetArrayOf<Coverage> > (backtrack);
     const ArrayOf<GlyphID> &substitute = StructAfter<ArrayOf<GlyphID> > (lookahead);
 
+  unsigned int start_index = 0, end_index = 0;
     if (match_backtrack (c,
 			 backtrack.len, (USHORT *) backtrack.array,
-			 match_coverage, this) &&
+			 match_coverage, this,
+			 &start_index) &&
         match_lookahead (c,
 			 lookahead.len, (USHORT *) lookahead.array,
 			 match_coverage, this,
-			 1))
+			 1, &end_index))
     {
+      c->buffer->unsafe_to_break_from_outbuffer (start_index, end_index);
       c->replace_glyph_inplace (substitute[index]);
       /* Note: We DON'T decrease buffer->idx.  The main loop does it
        * for us.  This is useful for preventing surprises if someone
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 2235d3a0a..472628a39 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -891,7 +891,8 @@ static inline bool match_backtrack (hb_apply_context_t *c,
 				    unsigned int count,
 				    const USHORT backtrack[],
 				    match_func_t match_func,
-				    const void *match_data)
+				    const void *match_data,
+				    unsigned int *match_start)
 {
   TRACE_APPLY (NULL);
 
@@ -903,6 +904,8 @@ static inline bool match_backtrack (hb_apply_context_t *c,
     if (!skippy_iter.prev ())
       return_trace (false);
 
+  *match_start = skippy_iter.idx;
+
   return_trace (true);
 }
 
@@ -911,7 +914,8 @@ static inline bool match_lookahead (hb_apply_context_t *c,
 				    const USHORT lookahead[],
 				    match_func_t match_func,
 				    const void *match_data,
-				    unsigned int offset)
+				    unsigned int offset,
+				    unsigned int *end_index)
 {
   TRACE_APPLY (NULL);
 
@@ -923,6 +927,8 @@ static inline bool match_lookahead (hb_apply_context_t *c,
     if (!skippy_iter.next ())
       return_trace (false);
 
+  *end_index = skippy_iter.idx + 1;
+
   return_trace (true);
 }
 
@@ -1145,10 +1151,11 @@ static inline bool context_apply_lookup (hb_apply_context_t *c,
 		      inputCount, input,
 		      lookup_context.funcs.match, lookup_context.match_data,
 		      &match_length, match_positions)
-      && apply_lookup (c,
+      && (c->buffer->unsafe_to_break (c->buffer->idx, c->buffer->idx + match_length),
+	  apply_lookup (c,
 		       inputCount, match_positions,
 		       lookupCount, lookupRecord,
-		       match_length);
+		       match_length));
 }
 
 struct Rule
@@ -1666,7 +1673,7 @@ static inline bool chain_context_apply_lookup (hb_apply_context_t *c,
 					       const LookupRecord lookupRecord[],
 					       ChainContextApplyLookupContext &lookup_context)
 {
-  unsigned int match_length = 0;
+  unsigned int start_index = 0, match_length = 0, end_index = 0;
   unsigned int match_positions[HB_MAX_CONTEXT_LENGTH];
   return match_input (c,
 		      inputCount, input,
@@ -1674,15 +1681,17 @@ static inline bool chain_context_apply_lookup (hb_apply_context_t *c,
 		      &match_length, match_positions)
       && match_backtrack (c,
 			  backtrackCount, backtrack,
-			  lookup_context.funcs.match, lookup_context.match_data[0])
+			  lookup_context.funcs.match, lookup_context.match_data[0],
+			  &start_index)
       && match_lookahead (c,
 			  lookaheadCount, lookahead,
 			  lookup_context.funcs.match, lookup_context.match_data[2],
-			  match_length)
-      && apply_lookup (c,
+			  match_length, &end_index)
+      && (c->buffer->unsafe_to_break_from_outbuffer (start_index, end_index),
+          apply_lookup (c,
 		       inputCount, match_positions,
 		       lookupCount, lookupRecord,
-		       match_length);
+		       match_length));
 }
 
 struct ChainRule
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 014e4430a..174fd529f 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -191,6 +191,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 
   /* Allocate bits now */
   unsigned int next_bit = 1;
+  next_bit++; /* Allocate for HB_GLYPH_FLAG_UNSAFE_TO_BREAK */
+
   for (unsigned int i = 0; i < feature_infos.len; i++)
   {
     const feature_info_t *info = &feature_infos[i];
diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 5dbbcd9af..ed7b3f2dd 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -321,7 +321,10 @@ arabic_joining (hb_buffer_t *buffer)
     const arabic_state_table_entry *entry = &arabic_state_table[state][this_type];
 
     if (entry->prev_action != NONE && prev != (unsigned int) -1)
+    {
       info[prev].arabic_shaping_action() = entry->prev_action;
+      buffer->unsafe_to_break (prev, i + 1);
+    }
 
     info[i].arabic_shaping_action() = entry->curr_action;
 
diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index 8a27da9e9..6adfbadd7 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -74,6 +74,8 @@ struct output_buffer_t
       flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
     if (format.show_extents)
       flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
+    if (format.show_flags)
+      flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS;
     format_flags = (hb_buffer_serialize_flags_t) flags;
 
     if (format.trace)
diff --git a/util/options.cc b/util/options.cc
index f4c111194..2aba6d405 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -781,6 +781,7 @@ format_options_t::add_options (option_parser_t *parser)
     {"no-clusters",	0, G_OPTION_FLAG_REVERSE,
 			      G_OPTION_ARG_NONE,	&this->show_clusters,		"Do not output cluster indices",					NULL},
     {"show-extents",	0, 0, G_OPTION_ARG_NONE,	&this->show_extents,		"Output glyph extents",							NULL},
+    {"show-flags",	0, 0, G_OPTION_ARG_NONE,	&this->show_flags,		"Output glyph flags",							NULL},
     {"trace",		0, 0, G_OPTION_ARG_NONE,	&this->trace,			"Output interim shaping results",					NULL},
     {NULL}
   };
diff --git a/util/options.hh b/util/options.hh
index 4b528c2ba..521263d5d 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -437,6 +437,7 @@ struct format_options_t : option_group_t
     show_unicode = false;
     show_line_num = false;
     show_extents = false;
+    show_flags = false;
     trace = false;
 
     add_options (parser);
@@ -479,6 +480,7 @@ struct format_options_t : option_group_t
   hb_bool_t show_unicode;
   hb_bool_t show_line_num;
   hb_bool_t show_extents;
+  hb_bool_t show_flags;
   hb_bool_t trace;
 };
 

From a043c99f778ffdde15d212fe23468cb9f51036bc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 May 2016 19:51:22 +0200
Subject: [PATCH 0341/1326] [unsafe-to-break] Simplify logic

Always use the algorithm for non-monotone case.  It's more robust.
---
 src/hb-buffer.cc | 57 +++++++++++-------------------------------------
 1 file changed, 13 insertions(+), 44 deletions(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index afec26ff0..c65e05712 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -637,31 +637,17 @@ done:
   skip_glyph ();
 }
 
-static inline void
-unsafe_to_break_two_infos (hb_glyph_info_t &info1, hb_glyph_info_t &info2)
-{
-  if (info1.cluster == info2.cluster)
-    return;
-  hb_glyph_info_t &unsafe = info1.cluster > info2.cluster ? info1 : info2;
-  unsafe.mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
-}
-static void
-unsafe_to_break_infos_monotone (hb_glyph_info_t *info, unsigned int start, unsigned int end)
-{
-  for (unsigned int i = start + 1; i < end; i++)
-    unsafe_to_break_two_infos (info[i - 1], info[i]);
-}
-static unsigned int
-infos_min_cluster (const hb_glyph_info_t *info, unsigned int start, unsigned int end,
-		   unsigned int cluster)
+static int
+unsafe_to_break_find_min (const hb_glyph_info_t *info, unsigned int start, unsigned int end,
+			  unsigned int cluster)
 {
   for (unsigned int i = start; i < end; i++)
     cluster = MIN (cluster, info[i].cluster);
   return cluster;
 }
 static void
-infos_unsafe_to_break_cluster (hb_glyph_info_t *info, unsigned int start, unsigned int end,
-			       unsigned int cluster)
+unsafe_to_break_set_mask (hb_glyph_info_t *info, unsigned int start, unsigned int end,
+			  unsigned int cluster)
 {
   for (unsigned int i = start; i < end; i++)
     if (cluster != info[i].cluster)
@@ -670,16 +656,9 @@ infos_unsafe_to_break_cluster (hb_glyph_info_t *info, unsigned int start, unsign
 void
 hb_buffer_t::unsafe_to_break_impl (unsigned int start, unsigned int end)
 {
-  if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
-  {
-    unsigned int cluster = (unsigned int) -1;
-    cluster = infos_min_cluster (info, start, end, cluster);
-    infos_unsafe_to_break_cluster (info, start, end, cluster);
-    return;
-  }
-
-  /* The case of monotone clusters can be done faster. */
-  unsafe_to_break_infos_monotone (info, start, end);
+  unsigned int cluster = (unsigned int) -1;
+  cluster = unsafe_to_break_find_min (info, start, end, cluster);
+  unsafe_to_break_set_mask (info, start, end, cluster);
 }
 void
 hb_buffer_t::unsafe_to_break_from_outbuffer (unsigned int start, unsigned int end)
@@ -687,21 +666,11 @@ hb_buffer_t::unsafe_to_break_from_outbuffer (unsigned int start, unsigned int en
   assert (start <= out_len);
   assert (idx <= end);
 
-  if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
-  {
-    unsigned int cluster = (unsigned int) -1;
-    cluster = infos_min_cluster (out_info, start, out_len, cluster);
-    cluster = infos_min_cluster (info, idx, end, cluster);
-    infos_unsafe_to_break_cluster (out_info, start, out_len, cluster);
-    infos_unsafe_to_break_cluster (info, idx, end, cluster);
-    return;
-  }
-
-  /* The case of monotone clusters can be done faster. */
-  unsafe_to_break_infos_monotone (out_info, start, out_len);
-  if (start < out_len && idx < end)
-    unsafe_to_break_two_infos (out_info[out_len - 1], info[idx]);
-  unsafe_to_break_infos_monotone (info, idx, end);
+  unsigned int cluster = (unsigned int) -1;
+  cluster = unsafe_to_break_find_min (out_info, start, out_len, cluster);
+  cluster = unsafe_to_break_find_min (info, idx, end, cluster);
+  unsafe_to_break_set_mask (out_info, start, out_len, cluster);
+  unsafe_to_break_set_mask (info, idx, end, cluster);
 }
 
 void

From 91ce0c45d6782057a2736f7b76a3c49cadbea070 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 5 May 2016 16:13:03 +0100
Subject: [PATCH 0342/1326] [safe-to-break] Fix logic when there is no
 out-buffer

---
 src/hb-buffer.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index c65e05712..6d13e1782 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -663,6 +663,12 @@ hb_buffer_t::unsafe_to_break_impl (unsigned int start, unsigned int end)
 void
 hb_buffer_t::unsafe_to_break_from_outbuffer (unsigned int start, unsigned int end)
 {
+  if (!have_output)
+  {
+    unsafe_to_break_impl (start, end);
+    return;
+  }
+
   assert (start <= out_len);
   assert (idx <= end);
 

From 5287ccc935c86b6f5e6867592b64bc2461384f45 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 14:25:53 -0700
Subject: [PATCH 0343/1326] [unsafe-to-break] Allocate public bits from 0

---
 src/hb-buffer.h  |  5 +++--
 src/hb-ot-map.cc | 15 +++++++++------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 995191a9d..0869fafea 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -72,8 +72,9 @@ typedef struct hb_glyph_info_t {
 } hb_glyph_info_t;
 
 typedef enum { /*< flags >*/
-  HB_GLYPH_FLAG_UNSAFE_TO_BREAK		= 0x00000002,
-  HB_GLYPH_FLAG_DEFINED			= 0x00000002 /* OR of all defined flags */
+  HB_GLYPH_FLAG_UNSAFE_TO_BREAK		= 0x00000001,
+
+  HB_GLYPH_FLAG_DEFINED			= 0x00000001 /* OR of all defined flags */
 } hb_glyph_flags_t;
 
 /**
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 174fd529f..5764a1104 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -138,7 +138,11 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 			      const int    *coords,
 			      unsigned int  num_coords)
 {
-  m.global_mask = 1;
+  ASSERT_STATIC (!(HB_GLYPH_FLAG_DEFINED & (HB_GLYPH_FLAG_DEFINED + 1)));
+  unsigned int global_bit_mask = HB_GLYPH_FLAG_DEFINED + 1;
+  unsigned int global_bit_shift = _hb_popcount32 (HB_GLYPH_FLAG_DEFINED);
+
+  m.global_mask = global_bit_mask;
 
   unsigned int required_feature_index[2];
   hb_tag_t required_feature_tag[2];
@@ -190,8 +194,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 
 
   /* Allocate bits now */
-  unsigned int next_bit = 1;
-  next_bit++; /* Allocate for HB_GLYPH_FLAG_UNSAFE_TO_BREAK */
+  unsigned int next_bit = global_bit_shift + 1;
 
   for (unsigned int i = 0; i < feature_infos.len; i++)
   {
@@ -251,8 +254,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
     map->auto_zwj = !(info->flags & F_MANUAL_ZWJ);
     if ((info->flags & F_GLOBAL) && info->max_value == 1) {
       /* Uses the global bit */
-      map->shift = 0;
-      map->mask = 1;
+      map->shift = global_bit_shift;
+      map->mask = global_bit_mask;
     } else {
       map->shift = next_bit;
       map->mask = (1u << (next_bit + bits_needed)) - (1u << next_bit);
@@ -289,7 +292,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 	add_lookups (m, face, table_index,
 		     required_feature_index[table_index],
 		     variations_index,
-		     1 /* mask */);
+		     global_bit_mask);
 
       for (unsigned i = 0; i < m.features.len; i++)
         if (m.features[i].stage[table_index] == stage)

From 9e005c5d86cd4c19383093f76a237cc8f5f12fb7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 18:45:33 -0700
Subject: [PATCH 0344/1326] [unsafe-to-break] Mark Indic-like clusters as
 unsafe-to-break

---
 src/hb-ot-shape-complex-indic.cc   | 2 ++
 src/hb-ot-shape-complex-myanmar.cc | 2 ++
 src/hb-ot-shape-complex-use.cc     | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 02aab082c..3cd8fd6c3 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -624,6 +624,8 @@ setup_syllables (const hb_ot_shape_plan_t *plan HB_UNUSED,
 		 hb_buffer_t *buffer)
 {
   find_syllables (buffer);
+  foreach_syllable (buffer, start, end)
+    buffer->unsafe_to_break (start, end);
 }
 
 static int
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 4e912c361..ebd2b4096 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -297,6 +297,8 @@ setup_syllables (const hb_ot_shape_plan_t *plan HB_UNUSED,
 		 hb_buffer_t *buffer)
 {
   find_syllables (buffer);
+  foreach_syllable (buffer, start, end)
+    buffer->unsafe_to_break (start, end);
 }
 
 static int
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index af6870686..a5ab0ab2a 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -354,6 +354,8 @@ setup_syllables (const hb_ot_shape_plan_t *plan,
 		 hb_buffer_t *buffer)
 {
   find_syllables (buffer);
+  foreach_syllable (buffer, start, end)
+    buffer->unsafe_to_break (start, end);
   setup_rphf_mask (plan, buffer);
   setup_topographical_masks (plan, buffer);
 }

From f2868c200896a96a34fc1bba4d43eddc03789da2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 19:58:05 -0700
Subject: [PATCH 0345/1326] Set mask to 0, instead of 1, by default

This shouldn't matter.
---
 src/hb-buffer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 6d13e1782..2fcb06dab 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -267,7 +267,7 @@ hb_buffer_t::add (hb_codepoint_t  codepoint,
 
   memset (glyph, 0, sizeof (*glyph));
   glyph->codepoint = codepoint;
-  glyph->mask = 1;
+  glyph->mask = 0;
   glyph->cluster = cluster;
 
   len++;

From e2a2b5b229c92f1de3b9c3ea111cd1ffa75b18fc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:10:12 -0700
Subject: [PATCH 0346/1326] [unsafe-to-break] Be careful with flag propagation
 when merging clusters

---
 src/hb-buffer-private.hh | 13 +++++++++++++
 src/hb-buffer.cc         | 17 ++++++++++-------
 src/hb-ot-shape.cc       |  3 ++-
 3 files changed, 25 insertions(+), 8 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index e598f9e1a..01972af65 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -288,6 +288,19 @@ struct hb_buffer_t {
     return ret;
   }
   HB_INTERNAL bool message_impl (hb_font_t *font, const char *fmt, va_list ap) HB_PRINTF_FUNC(3, 0);
+
+  static inline void
+  set_cluster (hb_glyph_info_t &info, unsigned int cluster, unsigned int mask = 0)
+  {
+    if (info.cluster != cluster)
+    {
+      if (mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK)
+	info.mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+      else
+	info.mask &= ~HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+    }
+    info.cluster = cluster;
+  }
 };
 
 
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 2fcb06dab..4b0f96035 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -552,7 +552,7 @@ hb_buffer_t::merge_clusters_impl (unsigned int start,
   if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
     return;
 
-  uint32_t cluster = info[start].cluster;
+  unsigned int cluster = info[start].cluster;
 
   for (unsigned int i = start + 1; i < end; i++)
     cluster = MIN (cluster, info[i].cluster);
@@ -568,10 +568,10 @@ hb_buffer_t::merge_clusters_impl (unsigned int start,
   /* If we hit the start of buffer, continue in out-buffer. */
   if (idx == start)
     for (unsigned int i = out_len; i && out_info[i - 1].cluster == info[start].cluster; i--)
-      out_info[i - 1].cluster = cluster;
+      set_cluster (out_info[i - 1], cluster);
 
   for (unsigned int i = start; i < end; i++)
-    info[i].cluster = cluster;
+    set_cluster (info[i], cluster);
 }
 void
 hb_buffer_t::merge_out_clusters (unsigned int start,
@@ -583,7 +583,7 @@ hb_buffer_t::merge_out_clusters (unsigned int start,
   if (unlikely (end - start < 2))
     return;
 
-  uint32_t cluster = out_info[start].cluster;
+  unsigned int cluster = out_info[start].cluster;
 
   for (unsigned int i = start + 1; i < end; i++)
     cluster = MIN (cluster, out_info[i].cluster);
@@ -599,14 +599,16 @@ hb_buffer_t::merge_out_clusters (unsigned int start,
   /* If we hit the end of out-buffer, continue in buffer. */
   if (end == out_len)
     for (unsigned int i = idx; i < len && info[i].cluster == out_info[end - 1].cluster; i++)
-      info[i].cluster = cluster;
+      set_cluster (info[i], cluster);
 
   for (unsigned int i = start; i < end; i++)
-    out_info[i].cluster = cluster;
+    set_cluster (out_info[i], cluster);
 }
 void
 hb_buffer_t::delete_glyph ()
 {
+  /* The logic here is duplicated in hb_ot_hide_default_ignorables(). */
+
   unsigned int cluster = info[idx].cluster;
   if (idx + 1 < len && cluster == info[idx + 1].cluster)
   {
@@ -619,9 +621,10 @@ hb_buffer_t::delete_glyph ()
     /* Merge cluster backward. */
     if (cluster < out_info[out_len - 1].cluster)
     {
+      unsigned int mask = info[idx].mask;
       unsigned int old_cluster = out_info[out_len - 1].cluster;
       for (unsigned i = out_len; i && out_info[i - 1].cluster == old_cluster; i--)
-	out_info[i - 1].cluster = cluster;
+	set_cluster (out_info[i - 1], cluster, mask);
     }
     goto done;
   }
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 29f5e58e5..5cd69927e 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -509,9 +509,10 @@ hb_ot_hide_default_ignorables (hb_ot_shape_context_t *c)
 	  /* Merge cluster backward. */
 	  if (cluster < info[j - 1].cluster)
 	  {
+	    unsigned int mask = info[i].mask;
 	    unsigned int old_cluster = info[j - 1].cluster;
 	    for (unsigned k = j; k && info[k - 1].cluster == old_cluster; k--)
-	      info[k - 1].cluster = cluster;
+	      buffer->set_cluster (info[k - 1], cluster, mask);
 	  }
 	  continue;
 	}

From a7c4972ccefaaf48dfd6f0f4588df0c785aa33d2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:16:15 -0700
Subject: [PATCH 0347/1326] [unsafe-to-break] Flag during fallback positioning

---
 src/hb-ot-shape-fallback.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index ea8312b22..4da53f4cc 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -307,6 +307,9 @@ position_around_base (const hb_ot_shape_plan_t *plan,
 		      unsigned int end)
 {
   hb_direction_t horiz_dir = HB_DIRECTION_INVALID;
+
+  buffer->unsafe_to_break (base, end);
+
   hb_glyph_extents_t base_extents;
   if (!font->get_glyph_extents (buffer->info[base].codepoint,
 				&base_extents))

From 2d158ca37673f2b262f2381854559d6872d8fb45 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:19:15 -0700
Subject: [PATCH 0348/1326] [unsafe-to-break] Flag during kerning

---
 src/hb-ot-layout-gpos-table.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 952fd60fe..37343d6a3 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -643,6 +643,7 @@ struct PairSet
         min = mid + 1;
       else
       {
+        buffer->unsafe_to_break (buffer->idx, pos + 1);
 	valueFormats[0].apply_value (c, this, &record->values[0], buffer->cur_pos());
 	valueFormats[1].apply_value (c, this, &record->values[len1], buffer->pos[pos]);
 	if (len2)
@@ -790,6 +791,7 @@ struct PairPosFormat2
     unsigned int klass2 = (this+classDef2).get_class (buffer->info[skippy_iter.idx].codepoint);
     if (unlikely (klass1 >= class1Count || klass2 >= class2Count)) return_trace (false);
 
+    buffer->unsafe_to_break (buffer->idx, skippy_iter.idx + 1);
     const Value *v = &values[record_len * (klass1 * class2Count + klass2)];
     valueFormat1.apply_value (c, this, v, buffer->cur_pos());
     valueFormat2.apply_value (c, this, v + len1, buffer->pos[skippy_iter.idx]);

From 882ebdadd6b3420ef2d3f296cd7416c76ee9901f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:23:17 -0700
Subject: [PATCH 0349/1326] [unsafe-to-break] Flag during cursive positioning

---
 src/hb-ot-layout-gpos-table.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 37343d6a3..0b828e8ad 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -931,6 +931,7 @@ struct CursivePosFormat1
     unsigned int i = buffer->idx;
     unsigned int j = skippy_iter.idx;
 
+    buffer->unsafe_to_break (i, j);
     hb_position_t entry_x, entry_y, exit_x, exit_y;
     (this+this_record.exitAnchor).get_anchor (c, buffer->info[i].codepoint, &exit_x, &exit_y);
     (this+next_record.entryAnchor).get_anchor (c, buffer->info[j].codepoint, &entry_x, &entry_y);

From c4712f8e372ee42749cda56cc7c28dc110a07ea9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:27:21 -0700
Subject: [PATCH 0350/1326] Fix test

---
 test/api/test-buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/api/test-buffer.c b/test/api/test-buffer.c
index 17607f1ed..51322a4be 100644
--- a/test/api/test-buffer.c
+++ b/test/api/test-buffer.c
@@ -196,7 +196,7 @@ test_buffer_contents (fixture_t *fixture, gconstpointer user_data)
   g_assert_cmpint (len, ==, 5);
 
   for (i = 0; i < len; i++) {
-    g_assert_cmphex (glyphs[i].mask,      ==, 1);
+    g_assert_cmphex (glyphs[i].mask,      ==, 0);
     g_assert_cmphex (glyphs[i].var1.u32,  ==, 0);
     g_assert_cmphex (glyphs[i].var2.u32,  ==, 0);
   }

From b65aa1cd4778e0103a2a1ed0e1b1012a09cf1f48 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:32:02 -0700
Subject: [PATCH 0351/1326] [unsafe-to-break] Flag during mark attachment

---
 src/hb-ot-layout-gpos-table.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 0b828e8ad..738ca8c44 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -432,6 +432,7 @@ struct MarkArray : ArrayOf<MarkRecord>	/* Array of MarkRecords--in Coverage orde
 
     hb_position_t mark_x, mark_y, base_x, base_y;
 
+    buffer->unsafe_to_break (glyph_pos, buffer->idx);
     mark_anchor.get_anchor (c, buffer->cur().codepoint, &mark_x, &mark_y);
     glyph_anchor.get_anchor (c, buffer->info[glyph_pos].codepoint, &base_x, &base_y);
 

From eae009602b5503c53a7f8ab053912563a97bbfa4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:50:48 -0700
Subject: [PATCH 0352/1326] [unsafe-to-break] Flag in Hangul shaper

---
 src/hb-ot-shape-complex-hangul.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index 23e07e59f..a90af3fd5 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -202,6 +202,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan,
       if (start < end && end == buffer->out_len)
       {
 	/* Tone mark follows a valid syllable; move it in front, unless it's zero width. */
+        buffer->unsafe_to_break_from_outbuffer (start, buffer->idx);
 	buffer->next_glyph ();
 	if (!is_zero_width_char (font, u))
 	{
@@ -258,6 +259,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan,
 	  else
 	    t = 0; /* The next character was not a trailing jamo. */
 	}
+	buffer->unsafe_to_break (buffer->idx, buffer->idx + (t ? 3 : 2));
 
 	/* We've got a syllable <L,V,T?>; see if it can potentially be composed. */
 	if (isCombiningL (l) && isCombiningV (v) && (t == 0 || isCombiningT (t)))
@@ -322,6 +324,8 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan,
 	  end = start + 1;
 	  continue;
 	}
+	else
+	  buffer->unsafe_to_break (buffer->idx, buffer->idx + 2); /* Mark unsafe between LV and T. */
       }
 
       /* Otherwise, decompose if font doesn't support <LV> or <LVT>,
@@ -368,6 +372,8 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan,
 	    buffer->merge_out_clusters (start, end);
 	  continue;
 	}
+	else if (!tindex)
+	  buffer->unsafe_to_break (buffer->idx, buffer->idx + 2); /* Mark unsafe between LV and T. */
       }
 
       if (has_glyph)

From e43aad55524cc1d4008ce337c2863a8546706d2e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:54:15 -0700
Subject: [PATCH 0353/1326] [unsafe-to-break] Flag in Thai PUA shaping

---
 src/hb-ot-shape-complex-thai.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-shape-complex-thai.cc b/src/hb-ot-shape-complex-thai.cc
index e75b35379..924247f17 100644
--- a/src/hb-ot-shape-complex-thai.cc
+++ b/src/hb-ot-shape-complex-thai.cc
@@ -244,6 +244,7 @@ do_thai_pua_shaping (const hb_ot_shape_plan_t *plan HB_UNUSED,
     /* At least one of the above/below actions is NOP. */
     thai_action_t action = above_edge.action != NOP ? above_edge.action : below_edge.action;
 
+    buffer->unsafe_to_break (base, i);
     if (action == RD)
       info[base].codepoint = thai_pua_shape (info[base].codepoint, action, font);
     else

From 14a639ea592cba971e5548f0942dd395c602c7a8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 11 Aug 2017 11:30:39 -0700
Subject: [PATCH 0354/1326] [unsafe-to-break] Fix Use-of-uninitialized-value in
 unsafe_to_break_set_mask

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3011
---
 src/hb-ot-shape-complex-hangul.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index a90af3fd5..0e74802ee 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -372,7 +372,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan,
 	    buffer->merge_out_clusters (start, end);
 	  continue;
 	}
-	else if (!tindex)
+	else if ((!tindex && buffer->idx + 1 < count && isT (buffer->cur(+1).codepoint)))
 	  buffer->unsafe_to_break (buffer->idx, buffer->idx + 2); /* Mark unsafe between LV and T. */
       }
 

From d2052278f24b3279503d5fa215a7834c2d21f91c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 11 Aug 2017 15:12:25 -0700
Subject: [PATCH 0355/1326] [util] Add --verify to hb-shape / hb-view that
 verifies shape results

Right now it checks for monotone cluster values.  Other checks to be added.
---
 util/hb-shape.cc       |  7 ++-----
 util/options.cc        |  2 ++
 util/options.hh        | 42 +++++++++++++++++++++++++++++++++++++++---
 util/shape-consumer.hh | 12 ++++++++----
 util/view-cairo.hh     |  7 ++-----
 5 files changed, 53 insertions(+), 17 deletions(-)

diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index 6adfbadd7..cab0eb213 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -94,13 +94,10 @@ struct output_buffer_t
     format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, gs);
     fprintf (options.fp, "%s", gs->str);
   }
-  void shape_failed (hb_buffer_t  *buffer,
-		     const char   *text,
-		     unsigned int  text_len,
-		     hb_bool_t     utf8_clusters)
+  void error (const char *message)
   {
     g_string_set_size (gs, 0);
-    format.serialize_message (line_no, "msg: all shapers failed", gs);
+    format.serialize_message (line_no, message, gs);
     fprintf (options.fp, "%s", gs->str);
   }
   void consume_glyphs (hb_buffer_t  *buffer,
diff --git a/util/options.cc b/util/options.cc
index 2aba6d405..1269ba657 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -338,6 +338,7 @@ shape_options_t::add_options (option_parser_t *parser)
     {"utf8-clusters",	0, 0, G_OPTION_ARG_NONE,	&this->utf8_clusters,		"Use UTF8 byte indices, not char indices",	NULL},
     {"cluster-level",	0, 0, G_OPTION_ARG_INT,		&this->cluster_level,		"Cluster merging level (default: 0)",	"0/1/2"},
     {"normalize-glyphs",0, 0, G_OPTION_ARG_NONE,	&this->normalize_glyphs,	"Rearrange glyph clusters in nominal order",	NULL},
+    {"verify",		0, 0, G_OPTION_ARG_NONE,	&this->verify,			"Perform sanity checks on shaping results",	NULL},
     {"num-iterations",	0, 0, G_OPTION_ARG_INT,		&this->num_iterations,		"Run shaper N times (default: 1)",	"N"},
     {NULL}
   };
@@ -874,6 +875,7 @@ format_options_t::serialize_message (unsigned int  line_no,
 				     GString      *gs)
 {
   serialize_line_no (line_no, gs);
+  g_string_append_printf (gs, "message: ");
   g_string_append_printf (gs, "%s", msg);
   g_string_append_c (gs, '\n');
 }
diff --git a/util/options.hh b/util/options.hh
index 521263d5d..fedd12172 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -187,6 +187,7 @@ struct shape_options_t : option_group_t
     utf8_clusters = false;
     cluster_level = HB_BUFFER_CLUSTER_LEVEL_DEFAULT;
     normalize_glyphs = false;
+    verify = false;
     num_iterations = 1;
 
     add_options (parser);
@@ -243,12 +244,46 @@ struct shape_options_t : option_group_t
     setup_buffer (buffer);
   }
 
-  hb_bool_t shape (hb_font_t *font, hb_buffer_t *buffer)
+  hb_bool_t shape (hb_font_t *font, hb_buffer_t *buffer, const char **error=NULL)
   {
-    hb_bool_t res = hb_shape_full (font, buffer, features, num_features, shapers);
+    if (!hb_shape_full (font, buffer, features, num_features, shapers))
+    {
+      if (error)
+        *error = "all shapers failed.";
+      return false;
+    }
+
     if (normalize_glyphs)
       hb_buffer_normalize_glyphs (buffer);
-    return res;
+
+    if (verify && !verify_buffer (buffer, error))
+      return false;
+
+    return true;
+  }
+
+  bool verify_buffer (hb_buffer_t *buffer, const char **error=NULL)
+  {
+    /* Check that clusters are monotone. */
+    if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES ||
+	cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
+    {
+      bool is_forward = HB_DIRECTION_IS_FORWARD (hb_buffer_get_direction (buffer));
+
+      unsigned int num_glyphs;
+      hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs);
+
+      for (unsigned int i = 1; i < num_glyphs; i++)
+	if (info[i-1].cluster != info[i].cluster &&
+	    (info[i-1].cluster < info[i].cluster) != is_forward)
+	{
+	  if (error)
+	    *error = "clusters are not monotone.";
+	  return false;
+	}
+    }
+
+    return true;
   }
 
   void shape_closure (const char *text, int text_len,
@@ -277,6 +312,7 @@ struct shape_options_t : option_group_t
   hb_bool_t utf8_clusters;
   hb_buffer_cluster_level_t cluster_level;
   hb_bool_t normalize_glyphs;
+  hb_bool_t verify;
   unsigned int num_iterations;
 };
 
diff --git a/util/shape-consumer.hh b/util/shape-consumer.hh
index cfab4497f..0a09053ee 100644
--- a/util/shape-consumer.hh
+++ b/util/shape-consumer.hh
@@ -58,15 +58,19 @@ struct shape_consumer_t
 
     for (unsigned int n = shaper.num_iterations; n; n--)
     {
+      const char *error = NULL;
+
       shaper.populate_buffer (buffer, text, text_len, text_before, text_after);
       if (n == 1)
 	output.consume_text (buffer, text, text_len, shaper.utf8_clusters);
-      if (!shaper.shape (font, buffer))
+      if (!shaper.shape (font, buffer, &error))
       {
 	failed = true;
-	hb_buffer_set_length (buffer, 0);
-	output.shape_failed (buffer, text, text_len, shaper.utf8_clusters);
-	return;
+	output.error (error);
+	if (hb_buffer_get_content_type (buffer) == HB_BUFFER_CONTENT_TYPE_GLYPHS)
+	  break;
+	else
+	  return;
       }
     }
 
diff --git a/util/view-cairo.hh b/util/view-cairo.hh
index ef229ff79..d3e59afa5 100644
--- a/util/view-cairo.hh
+++ b/util/view-cairo.hh
@@ -57,12 +57,9 @@ struct view_cairo_t
 		     hb_bool_t     utf8_clusters)
   {
   }
-  void shape_failed (hb_buffer_t  *buffer,
-		     const char   *text,
-		     unsigned int  text_len,
-		     hb_bool_t     utf8_clusters)
+  void error (const char *message)
   {
-    fail (false, "all shapers failed");
+    fail (false, "%s", message);
   }
   void consume_glyphs (hb_buffer_t  *buffer,
 		       const char   *text,

From 39a97494304a7e6b8999e59a92ce4d24ba9b881a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 11 Aug 2017 15:52:06 -0700
Subject: [PATCH 0356/1326] New API: hb_buffer_append()

---
 src/hb-buffer.cc | 52 +++++++++++++++++++++++++++++++++++++++++++++++-
 src/hb-buffer.h  |  6 ++++++
 2 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 4b0f96035..89576f012 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1711,6 +1711,55 @@ hb_buffer_add_codepoints (hb_buffer_t          *buffer,
 }
 
 
+/**
+ * hb_buffer_append:
+ * @buffer: an #hb_buffer_t.
+ * @source: source #hb_buffer_t.
+ * @start: start index into source buffer to copy.  Use 0 to copy from start of buffer.
+ * @end: end index into source buffer to copy.  Use (unsigned int) -1 to copy to end of buffer.
+ *
+ * Append (part of) contents of another buffer to this buffer.
+ *
+ * Since: 1.5.0
+ **/
+HB_EXTERN void
+hb_buffer_append (hb_buffer_t *buffer,
+		  hb_buffer_t *source,
+		  unsigned int start,
+		  unsigned int end)
+{
+  assert (!buffer->have_output && !source->have_output);
+  assert (buffer->have_positions == source->have_positions);
+  assert (buffer->content_type == source->content_type ||
+	  !buffer->len || !source->len);
+
+  if (end > source->len)
+    end = source->len;
+  if (start > end)
+    start = end;
+  if (start == end)
+    return;
+
+  if (!buffer->len)
+    buffer->content_type = source->content_type;
+
+  if (buffer->len + (end - start) > buffer->len) /* Overflows. */
+  {
+    buffer->in_error = true;
+    return;
+  }
+
+  unsigned int orig_len = buffer->len;
+  hb_buffer_set_length (buffer, buffer->len + (end - start));
+  if (buffer->in_error)
+    return;
+
+  memcpy (buffer->info + orig_len, source->info + start, (end - start) * sizeof (buffer->info[0]));
+  if (buffer->have_positions)
+    memcpy (buffer->pos + orig_len, source->pos + start, (end - start) * sizeof (buffer->pos[0]));
+}
+
+
 static int
 compare_info_codepoint (const hb_glyph_info_t *pa,
 			const hb_glyph_info_t *pb)
@@ -1781,7 +1830,8 @@ void
 hb_buffer_normalize_glyphs (hb_buffer_t *buffer)
 {
   assert (buffer->have_positions);
-  assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS);
+  assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS ||
+	  (!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID));
 
   bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
 
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 0869fafea..1d40747f7 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -169,6 +169,7 @@ HB_EXTERN void *
 hb_buffer_get_user_data (hb_buffer_t        *buffer,
 			 hb_user_data_key_t *key);
 
+
 /**
  * hb_buffer_content_type_t:
  * @HB_BUFFER_CONTENT_TYPE_INVALID: Initial value for new buffer.
@@ -365,6 +366,11 @@ hb_buffer_add_codepoints (hb_buffer_t          *buffer,
 			  unsigned int          item_offset,
 			  int                   item_length);
 
+HB_EXTERN void
+hb_buffer_append (hb_buffer_t *buffer,
+		  hb_buffer_t *source,
+		  unsigned int start,
+		  unsigned int end);
 
 HB_EXTERN hb_bool_t
 hb_buffer_set_length (hb_buffer_t  *buffer,

From ec104e5912417c0fdc8c7cb004c684aea26eb1dc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 11 Aug 2017 18:24:27 -0700
Subject: [PATCH 0357/1326] [unsafe-to-break] Mark unsafe is cluster merging is
 disabled

We were relying on cluster merges not requiring unsafe flagging because
they get merged.  If cluster level requests no merging, then we flag
unsafe when merge would have happened.
---
 src/hb-buffer.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 89576f012..dc932692b 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -550,7 +550,10 @@ hb_buffer_t::merge_clusters_impl (unsigned int start,
 				  unsigned int end)
 {
   if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
+  {
+    unsafe_to_break (start, end);
     return;
+  }
 
   unsigned int cluster = info[start].cluster;
 

From 1c17c2bde5bdf74a652b78d71b64e3aaa75ec43d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 11 Aug 2017 19:06:07 -0700
Subject: [PATCH 0358/1326] [unsafe-to-break] Copy flag to all glyphs in a
 cluster

Makes consumption easier.
---
 src/hb-buffer-private.hh    | 46 +++++++++++++++++++++++++++++++++++++
 src/hb-buffer.cc            | 28 +++++-----------------
 src/hb-ot-layout-private.hh |  3 +--
 src/hb-ot-shape.cc          | 27 ++++++++++++++++++++++
 4 files changed, 80 insertions(+), 24 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 01972af65..25da22252 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -57,6 +57,8 @@ enum hb_buffer_scratch_flags_t {
   HB_BUFFER_SCRATCH_FLAG_HAS_DEFAULT_IGNORABLES		= 0x00000002u,
   HB_BUFFER_SCRATCH_FLAG_HAS_SPACE_FALLBACK		= 0x00000004u,
   HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT		= 0x00000008u,
+  HB_BUFFER_SCRATCH_FLAG_HAS_UNSAFE_TO_BREAK		= 0x00000010u,
+
   /* Reserved for complex shapers' internal use. */
   HB_BUFFER_SCRATCH_FLAG_COMPLEX0			= 0x01000000u,
   HB_BUFFER_SCRATCH_FLAG_COMPLEX1			= 0x02000000u,
@@ -301,9 +303,53 @@ struct hb_buffer_t {
     }
     info.cluster = cluster;
   }
+
+  int
+  _unsafe_to_break_find_min_cluster (const hb_glyph_info_t *info,
+				     unsigned int start, unsigned int end,
+				     unsigned int cluster) const
+  {
+    for (unsigned int i = start; i < end; i++)
+      cluster = MIN (cluster, info[i].cluster);
+    return cluster;
+  }
+  void
+  _unsafe_to_break_set_mask (hb_glyph_info_t *info,
+			     unsigned int start, unsigned int end,
+			     unsigned int cluster)
+  {
+    for (unsigned int i = start; i < end; i++)
+      if (cluster != info[i].cluster)
+      {
+	scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_UNSAFE_TO_BREAK;
+	info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+      }
+  }
 };
 
 
+/* Loop over clusters. Duplicated in foreach_syllable(). */
+#define foreach_cluster(buffer, start, end) \
+  for (unsigned int \
+       _count = buffer->len, \
+       start = 0, end = _count ? _next_cluster (buffer, 0) : 0; \
+       start < _count; \
+       start = end, end = _next_cluster (buffer, start))
+
+static inline unsigned int
+_next_cluster (hb_buffer_t *buffer, unsigned int start)
+{
+  hb_glyph_info_t *info = buffer->info;
+  unsigned int count = buffer->len;
+
+  unsigned int cluster = info[start].cluster;
+  while (++start < count && cluster == info[start].cluster)
+    ;
+
+  return start;
+}
+
+
 #define HB_BUFFER_XALLOCATE_VAR(b, func, var) \
   b->func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \
 	   sizeof (b->info[0].var))
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index dc932692b..0b3f8135a 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -643,28 +643,12 @@ done:
   skip_glyph ();
 }
 
-static int
-unsafe_to_break_find_min (const hb_glyph_info_t *info, unsigned int start, unsigned int end,
-			  unsigned int cluster)
-{
-  for (unsigned int i = start; i < end; i++)
-    cluster = MIN (cluster, info[i].cluster);
-  return cluster;
-}
-static void
-unsafe_to_break_set_mask (hb_glyph_info_t *info, unsigned int start, unsigned int end,
-			  unsigned int cluster)
-{
-  for (unsigned int i = start; i < end; i++)
-    if (cluster != info[i].cluster)
-      info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
-}
 void
 hb_buffer_t::unsafe_to_break_impl (unsigned int start, unsigned int end)
 {
   unsigned int cluster = (unsigned int) -1;
-  cluster = unsafe_to_break_find_min (info, start, end, cluster);
-  unsafe_to_break_set_mask (info, start, end, cluster);
+  cluster = _unsafe_to_break_find_min_cluster (info, start, end, cluster);
+  _unsafe_to_break_set_mask (info, start, end, cluster);
 }
 void
 hb_buffer_t::unsafe_to_break_from_outbuffer (unsigned int start, unsigned int end)
@@ -679,10 +663,10 @@ hb_buffer_t::unsafe_to_break_from_outbuffer (unsigned int start, unsigned int en
   assert (idx <= end);
 
   unsigned int cluster = (unsigned int) -1;
-  cluster = unsafe_to_break_find_min (out_info, start, out_len, cluster);
-  cluster = unsafe_to_break_find_min (info, idx, end, cluster);
-  unsafe_to_break_set_mask (out_info, start, out_len, cluster);
-  unsafe_to_break_set_mask (info, idx, end, cluster);
+  cluster = _unsafe_to_break_find_min_cluster (out_info, start, out_len, cluster);
+  cluster = _unsafe_to_break_find_min_cluster (info, idx, end, cluster);
+  _unsafe_to_break_set_mask (out_info, start, out_len, cluster);
+  _unsafe_to_break_set_mask (info, idx, end, cluster);
 }
 
 void
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index b476339e1..d4ac60b06 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -197,8 +197,7 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout);
 #define syllable()		var1.u8[3] /* GSUB/GPOS shaping boundaries */
 
 
-/* loop over syllables */
-
+/* Loop over syllables. Based on foreach_cluster(). */
 #define foreach_syllable(buffer, start, end) \
   for (unsigned int \
        _count = buffer->len, \
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 5cd69927e..bc5366969 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -783,6 +783,31 @@ hb_ot_position (hb_ot_shape_context_t *c)
   _hb_buffer_deallocate_gsubgpos_vars (c->buffer);
 }
 
+static inline void
+hb_propagate_flags (hb_buffer_t *buffer)
+{
+  /* Propagate cluster-level glyph flags to be the same on all cluster glyphs.
+   * Simplifies using them. */
+
+  if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_UNSAFE_TO_BREAK))
+    return;
+
+  hb_glyph_info_t *info = buffer->info;
+
+  foreach_cluster (buffer, start, end)
+  {
+    unsigned int mask = 0;
+    for (unsigned int i = start; i < end; i++)
+      if (info[i].mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK)
+      {
+	 mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+	 break;
+      }
+    if (mask)
+      for (unsigned int i = start; i < end; i++)
+	info[i].mask |= mask;
+  }
+}
 
 /* Pull it all together! */
 
@@ -826,6 +851,8 @@ hb_ot_shape_internal (hb_ot_shape_context_t *c)
   if (c->plan->shaper->postprocess_glyphs)
     c->plan->shaper->postprocess_glyphs (c->plan, c->buffer, c->font);
 
+  hb_propagate_flags (c->buffer);
+
   _hb_buffer_deallocate_unicode_vars (c->buffer);
 
   c->buffer->props.direction = c->target_direction;

From 6ce25f57c663f86326262a5ff7a42288f358ed51 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 11 Aug 2017 19:31:05 -0700
Subject: [PATCH 0359/1326] Fix hb_buffer_append()

Ouch!
---
 src/hb-buffer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 0b3f8135a..297956e6b 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1730,7 +1730,7 @@ hb_buffer_append (hb_buffer_t *buffer,
   if (!buffer->len)
     buffer->content_type = source->content_type;
 
-  if (buffer->len + (end - start) > buffer->len) /* Overflows. */
+  if (buffer->len + (end - start) < buffer->len) /* Overflows. */
   {
     buffer->in_error = true;
     return;

From 05fabbd03eae7b84ebbce7abbdc55c1d67ceacf9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 11 Aug 2017 19:51:06 -0700
Subject: [PATCH 0360/1326] [unsafe-to-break] Towards verifying unsafe-to-break
 in --verify

We break and shape fragments and reconstruct shape result from them.
Remains to compare to original buffer.  Going to add some buffer
comparison API and use here, instead of open-coding.
---
 src/hb-buffer.cc |   5 +-
 util/options.hh  | 131 ++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 133 insertions(+), 3 deletions(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 297956e6b..4ab5996fa 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1716,7 +1716,8 @@ hb_buffer_append (hb_buffer_t *buffer,
 		  unsigned int end)
 {
   assert (!buffer->have_output && !source->have_output);
-  assert (buffer->have_positions == source->have_positions);
+  assert (buffer->have_positions == source->have_positions ||
+	  !buffer->len || !source->len);
   assert (buffer->content_type == source->content_type ||
 	  !buffer->len || !source->len);
 
@@ -1729,6 +1730,8 @@ hb_buffer_append (hb_buffer_t *buffer,
 
   if (!buffer->len)
     buffer->content_type = source->content_type;
+  if (!buffer->have_positions && source->have_positions)
+    buffer->clear_positions ();
 
   if (buffer->len + (end - start) < buffer->len) /* Overflows. */
   {
diff --git a/util/options.hh b/util/options.hh
index fedd12172..d134f7ac4 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -36,6 +36,7 @@
 #include <stddef.h>
 #include <string.h>
 #include <stdio.h>
+#include <assert.h>
 #include <math.h>
 #include <locale.h>
 #include <errno.h>
@@ -216,6 +217,15 @@ struct shape_options_t : option_group_t
     hb_buffer_guess_segment_properties (buffer);
   }
 
+  static void copy_buffer_properties (hb_buffer_t *dst, hb_buffer_t *src)
+  {
+    hb_segment_properties_t props;
+    hb_buffer_get_segment_properties (src, &props);
+    hb_buffer_set_segment_properties (dst, &props);
+    hb_buffer_set_flags (dst, hb_buffer_get_flags (src));
+    hb_buffer_set_cluster_level (dst, hb_buffer_get_cluster_level (src));
+  }
+
   void populate_buffer (hb_buffer_t *buffer, const char *text, int text_len,
 			const char *text_before, const char *text_after)
   {
@@ -246,6 +256,13 @@ struct shape_options_t : option_group_t
 
   hb_bool_t shape (hb_font_t *font, hb_buffer_t *buffer, const char **error=NULL)
   {
+    hb_buffer_t *text_buffer = NULL;
+    if (verify)
+    {
+      text_buffer = hb_buffer_create ();
+      hb_buffer_append (text_buffer, buffer, 0, -1);
+    }
+
     if (!hb_shape_full (font, buffer, features, num_features, shapers))
     {
       if (error)
@@ -256,13 +273,28 @@ struct shape_options_t : option_group_t
     if (normalize_glyphs)
       hb_buffer_normalize_glyphs (buffer);
 
-    if (verify && !verify_buffer (buffer, error))
+    if (verify && !verify_buffer (buffer, text_buffer, font, error))
       return false;
 
+    if (text_buffer)
+      hb_buffer_destroy (text_buffer);
+
     return true;
   }
 
-  bool verify_buffer (hb_buffer_t *buffer, const char **error=NULL)
+  bool verify_buffer (hb_buffer_t  *buffer,
+		      hb_buffer_t  *text_buffer,
+		      hb_font_t    *font,
+		      const char  **error=NULL)
+  {
+    if (!verify_buffer_monotone (buffer, error))
+      return false;
+    if (!verify_buffer_safe_to_break (buffer, text_buffer, font, error))
+      return false;
+    return true;
+  }
+
+  bool verify_buffer_monotone (hb_buffer_t *buffer, const char **error=NULL)
   {
     /* Check that clusters are monotone. */
     if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES ||
@@ -286,6 +318,101 @@ struct shape_options_t : option_group_t
     return true;
   }
 
+  bool verify_buffer_safe_to_break (hb_buffer_t  *buffer,
+				    hb_buffer_t  *text_buffer,
+				    hb_font_t    *font,
+				    const char  **error=NULL)
+  {
+    if (cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES &&
+	cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
+    {
+      /* Cannot perform this check without monotone clusters.
+       * Then again, unsafe-to-break flag is much harder to use without
+       * monotone clusters. */
+      return true;
+    }
+
+    /* Check that breaking up shaping at safe-to-break is indeed safe. */
+
+    hb_buffer_t *fragment = hb_buffer_create ();
+    hb_buffer_t *reconstruction = hb_buffer_create ();
+    copy_buffer_properties (reconstruction, buffer);
+
+    unsigned int num_glyphs;
+    hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs);
+
+    unsigned int num_chars;
+    hb_glyph_info_t *text = hb_buffer_get_glyph_infos (text_buffer, &num_chars);
+
+    /* Chop text and shape fragments. */
+    bool forward = HB_DIRECTION_IS_FORWARD (hb_buffer_get_direction (buffer));
+    unsigned int start = 0;
+    unsigned int text_start = forward ? 0 : num_chars;
+    unsigned int text_end = text_start;
+    for (unsigned int end = 1; end < num_glyphs + 1; end++)
+    {
+      if (end < num_glyphs &&
+	  (info[end].cluster == info[end-1].cluster ||
+	   info[end-(forward?0:1)].mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK))
+	  continue;
+
+      /* Shape segment corresponding to glyphs start..end. */
+      if (end == num_glyphs)
+      {
+        if (forward)
+	  text_end = num_chars;
+	else
+	  text_start = 0;
+      }
+      else
+      {
+	unsigned int cluster = info[end].cluster;
+	if (forward)
+	  while (text_end < num_chars && text[text_end].cluster != cluster)
+	    text_end++;
+	else
+	  while (text_start && text[text_start - 1].cluster != cluster)
+	    text_start--;
+      }
+      assert (text_start < text_end);
+
+      //printf("start %d end %d text start %d end %d\n", start, end, text_start, text_end);
+      hb_buffer_clear_contents (fragment);
+      copy_buffer_properties (fragment, buffer);
+      hb_buffer_append (fragment, text_buffer, text_start, text_end);
+      if (!hb_shape_full (font, fragment, features, num_features, shapers))
+      {
+	if (error)
+	  *error = "all shapers failed while shaping fragment.";
+	return false;
+      }
+      hb_buffer_append (reconstruction, fragment, 0, -1);
+
+      start = end;
+      if (forward)
+	text_start = text_end;
+      else
+	text_end = text_start;
+    }
+
+    hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, NULL);
+
+    unsigned int r_num_glyphs;
+    hb_glyph_info_t *r_info = hb_buffer_get_glyph_infos (reconstruction, &r_num_glyphs);
+    hb_glyph_position_t *r_pos = hb_buffer_get_glyph_positions (reconstruction, NULL);
+
+    /* TODO Compare buffers. Remove assert. */
+    assert (num_glyphs == r_num_glyphs);
+
+    //hb_buffer_set_length (buffer, 0);
+    //hb_buffer_append (buffer, reconstruction, 0, -1);
+
+    hb_buffer_destroy (reconstruction);
+    hb_buffer_destroy (fragment);
+
+    return true;
+  }
+
   void shape_closure (const char *text, int text_len,
 		      hb_font_t *font, hb_buffer_t *buffer,
 		      hb_set_t *glyphs)

From 239119a631fee7701be4d444adeda808b915863a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 13 Aug 2017 15:08:34 -0700
Subject: [PATCH 0361/1326] [unsafe-to-break] Mark all positions as unsafe in
 alternative shapers

---
 src/hb-coretext.cc    | 6 ++++++
 src/hb-directwrite.cc | 2 ++
 src/hb-graphite2.cc   | 1 +
 src/hb-uniscribe.cc   | 2 ++
 4 files changed, 11 insertions(+)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index e237335e7..ba96d3994 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -1180,6 +1180,9 @@ resize_and_retry:
 	pos->x_advance = info->mask;
 	pos->x_offset = info->var1.i32;
 	pos->y_offset = info->var2.i32;
+
+	info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+
 	info++, pos++;
       }
     else
@@ -1188,6 +1191,9 @@ resize_and_retry:
 	pos->y_advance = info->mask;
 	pos->x_offset = info->var1.i32;
 	pos->y_offset = info->var2.i32;
+
+	info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+
 	info++, pos++;
       }
 
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index ab07d8a30..14df8221b 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -880,6 +880,8 @@ retry_getglyphs:
     pos->x_offset =
       x_mult * (isRightToLeft ? -info->var1.i32 : info->var1.i32);
     pos->y_offset = y_mult * info->var2.i32;
+
+    info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
   }
 
   if (isRightToLeft)
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index c9799e9da..6eb34b0ea 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -355,6 +355,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
       hb_glyph_info_t *info = &buffer->info[clusters[i].base_glyph + j];
       info->codepoint = gids[clusters[i].base_glyph + j];
       info->cluster = clusters[i].cluster;
+      info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
       info->var1.i32 = clusters[i].advance;     // all glyphs in the cluster get the same advance
     }
   }
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 58f983dbe..d25accd56 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -1024,6 +1024,8 @@ retry:
     pos->x_advance = x_mult * (int32_t) info->mask;
     pos->x_offset = x_mult * (backward ? -info->var1.i32 : info->var1.i32);
     pos->y_offset = y_mult * info->var2.i32;
+
+    info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
   }
 
   if (backward)

From 219af509ef8269e51f1396b18521c75b000d8dda Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 13 Aug 2017 15:10:26 -0700
Subject: [PATCH 0362/1326] [graphite2] Fix warning

---
 src/hb-graphite2.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 6eb34b0ea..9e0761e63 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -366,7 +366,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   float yscale = (float) font->y_scale / upem;
   yscale *= yscale / xscale;
   /* Positioning. */
-  int currclus = -1;
+  unsigned int currclus = (unsigned int) -1;
   const hb_glyph_info_t *info = buffer->info;
   hb_glyph_position_t *pPos = hb_buffer_get_glyph_positions (buffer, NULL);
   if (!HB_DIRECTION_IS_BACKWARD(buffer->props.direction))

From 331d66c7fe27a7649454486000827f0c36d6eb36 Mon Sep 17 00:00:00 2001
From: Jonathan Kew <jfkthame@gmail.com>
Date: Sat, 19 Jul 2014 23:09:09 +0100
Subject: [PATCH 0363/1326] Add function to compare two buffers

Based on patch from Jonathan Kew.

Needs more cleaning up and documentation.

New API:
hb_buffer_diff_flags_t
hb_buffer_diff()
---
 src/hb-buffer-private.hh   |  1 +
 src/hb-buffer-serialize.cc |  4 +-
 src/hb-buffer.cc           | 82 ++++++++++++++++++++++++++++++++++++++
 src/hb-buffer.h            | 39 ++++++++++++++++++
 4 files changed, 124 insertions(+), 2 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 25da22252..37380b40d 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -50,6 +50,7 @@ ASSERT_STATIC (sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t));
 
 HB_MARK_AS_FLAG_T (hb_buffer_flags_t);
 HB_MARK_AS_FLAG_T (hb_buffer_serialize_flags_t);
+HB_MARK_AS_FLAG_T (hb_buffer_diff_flags_t);
 
 enum hb_buffer_scratch_flags_t {
   HB_BUFFER_SCRATCH_FLAG_DEFAULT			= 0x00000000u,
diff --git a/src/hb-buffer-serialize.cc b/src/hb-buffer-serialize.cc
index f4a89ac26..517d746ef 100644
--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@@ -153,8 +153,8 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
 
     if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS)
     {
-      if (info[i].mask &HB_GLYPH_FLAG_DEFINED)
-	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"fl\":%u", info[i].mask &HB_GLYPH_FLAG_DEFINED));
+      if (info[i].mask & HB_GLYPH_FLAG_DEFINED)
+	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"fl\":%u", info[i].mask & HB_GLYPH_FLAG_DEFINED));
     }
 
     if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 4ab5996fa..bfec0a7bb 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1860,6 +1860,88 @@ hb_buffer_t::sort (unsigned int start, unsigned int end, int(*compar)(const hb_g
   }
 }
 
+
+/*
+ * Comparing buffers.
+ */
+
+hb_buffer_diff_flags_t
+hb_buffer_diff (hb_buffer_t *buffer,
+		hb_buffer_t *reference,
+		hb_codepoint_t dottedcircle_glyph,
+		unsigned int position_fuzz)
+{
+  if (buffer->content_type != reference->content_type)
+    return HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH;
+
+  hb_buffer_diff_flags_t result = HB_BUFFER_DIFF_FLAG_EQUAL;
+
+  unsigned int count = reference->len;
+
+  if (buffer->len != count)
+  {
+    /*
+     * we can't compare glyph-by-glyph, but we do want to know if there
+     * are .notdef or dottedcircle glyphs present in the reference buffer
+     */
+    const hb_glyph_info_t *info = reference->info;
+    unsigned int i;
+    for (i = 0; i < count; i++)
+    {
+      if (info[i].codepoint == dottedcircle_glyph)
+        result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;
+      else if (info[i].codepoint == 0)
+        result |= HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT;
+    }
+    result |= HB_BUFFER_DIFF_FLAG_LENGTH_MISMATCH;
+    return hb_buffer_diff_flags_t (result);
+  }
+
+  if (!count)
+    return hb_buffer_diff_flags_t (result);
+
+  const hb_glyph_info_t *buf_info = buffer->info;
+  const hb_glyph_info_t *ref_info = reference->info;
+  for (unsigned int i = 0; i < count; i++)
+  {
+    if (buf_info->codepoint != ref_info->codepoint)
+      result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH;
+    if (buf_info->cluster != ref_info->cluster)
+      result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
+    if ((buf_info->mask & HB_GLYPH_FLAG_DEFINED) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
+      result |= HB_BUFFER_DIFF_FLAG_MASK_MISMATCH;
+    if (ref_info->codepoint == dottedcircle_glyph)
+      result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;
+    else if (ref_info->codepoint == 0)
+      result |= HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT;
+    buf_info++;
+    ref_info++;
+  }
+
+  if (buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS)
+  {
+    assert (buffer->have_positions);
+    const hb_glyph_position_t *buf_pos = buffer->pos;
+    const hb_glyph_position_t *ref_pos = reference->pos;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (abs (buf_pos->x_advance - ref_pos->x_advance) > position_fuzz ||
+          abs (buf_pos->y_advance - ref_pos->y_advance) > position_fuzz ||
+          abs (buf_pos->x_offset - ref_pos->x_offset) > position_fuzz ||
+          abs (buf_pos->y_offset - ref_pos->y_offset) > position_fuzz)
+      {
+        result |= HB_BUFFER_DIFF_FLAG_POSITION_MISMATCH;
+        break;
+      }
+      buf_pos++;
+      ref_pos++;
+    }
+  }
+
+  return result;
+}
+
+
 /*
  * Debugging.
  */
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 1d40747f7..abb1ea38a 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -465,6 +465,45 @@ hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
 			      hb_buffer_serialize_format_t format);
 
 
+/*
+ * Compare buffers
+ */
+
+typedef enum { /*< flags >*/
+  HB_BUFFER_DIFF_FLAG_EQUAL			= 0x0000,
+
+  /* Buffers with different content_type cannot be meaningfully compared
+   * in any further detail. */
+  HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH	= 0X0001,
+
+  /* For buffers with differing length, the per-glyph comparison is not
+   * attempted, though we do still scan reference for dottedcircle / .notdef
+   * glyphs. */
+  HB_BUFFER_DIFF_FLAG_LENGTH_MISMATCH		= 0X0002,
+
+  /* We want to know if dottedcircle / .notdef glyphs are present in the
+   * reference, as we may not care so much about other differences in this
+   * case. */
+  HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT		= 0x0004,
+  HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT	= 0x0008,
+
+  /* If the buffers have the same length, we compare them glyph-by-glyph
+   * and report which aspect(s) of the glyph info/position are different. */
+  HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH	= 0x0010,
+  HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH		= 0x0010,
+  HB_BUFFER_DIFF_FLAG_MASK_MISMATCH		= 0x0040,
+  HB_BUFFER_DIFF_FLAG_POSITION_MISMATCH		= 0x0080
+
+} hb_buffer_diff_flags_t;
+
+/* Compare the contents of two buffers, report types of differences. */
+hb_buffer_diff_flags_t
+hb_buffer_diff (hb_buffer_t *buffer,
+		hb_buffer_t *reference,
+		hb_codepoint_t dottedcircle_glyph,
+		unsigned int position_fuzz);
+
+
 /*
  * Debugging.
  */

From 338e61ad1b40110a70c4fb497b117bcb07548467 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 14 Aug 2017 12:36:38 -0700
Subject: [PATCH 0364/1326] Fix typo

---
 src/hb-buffer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index abb1ea38a..98f83ff52 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -490,7 +490,7 @@ typedef enum { /*< flags >*/
   /* If the buffers have the same length, we compare them glyph-by-glyph
    * and report which aspect(s) of the glyph info/position are different. */
   HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH	= 0x0010,
-  HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH		= 0x0010,
+  HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH		= 0x0020,
   HB_BUFFER_DIFF_FLAG_MASK_MISMATCH		= 0x0040,
   HB_BUFFER_DIFF_FLAG_POSITION_MISMATCH		= 0x0080
 

From a88e2a73f34067381a81577c3f60bc5c2a6f2eea Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 14 Aug 2017 14:49:21 -0700
Subject: [PATCH 0365/1326] [util] Fix leaks

---
 util/options.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/util/options.hh b/util/options.hh
index d134f7ac4..e9fca381c 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -384,6 +384,8 @@ struct shape_options_t : option_group_t
       {
 	if (error)
 	  *error = "all shapers failed while shaping fragment.";
+	hb_buffer_destroy (reconstruction);
+	hb_buffer_destroy (fragment);
 	return false;
       }
       hb_buffer_append (reconstruction, fragment, 0, -1);

From 587f15ece316df7c86f386518aba48a6a44c061d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 14 Aug 2017 15:23:10 -0700
Subject: [PATCH 0366/1326] Minor

---
 src/hb-face-private.hh |  8 ++++----
 src/hb-face.cc         |  8 ++++----
 src/hb-font-private.hh | 14 +++++++-------
 src/hb-font.cc         | 14 +++++++-------
 4 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/src/hb-face-private.hh b/src/hb-face-private.hh
index eb0e850aa..72f08a599 100644
--- a/src/hb-face-private.hh
+++ b/src/hb-face-private.hh
@@ -55,10 +55,10 @@ struct hb_face_t {
   mutable unsigned int num_glyphs;	/* Number of glyphs. */
 
   enum dirty_t {
-    NOTHING	= 0x0000,
-    INDEX	= 0x0001,
-    UPEM	= 0x0002,
-    NUM_GLYPHS	= 0x0004,
+    DIRTY_NOTHING	= 0x0000,
+    DIRTY_INDEX		= 0x0001,
+    DIRTY_UPEM		= 0x0002,
+    DIRTY_NUM_GLYPHS	= 0x0004,
   } dirty;
 
   struct hb_shaper_data_t shaper_data;	/* Various shaper data. */
diff --git a/src/hb-face.cc b/src/hb-face.cc
index 1800c995a..22998f005 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -51,7 +51,7 @@ const hb_face_t _hb_face_nil = {
   1000, /* upem */
   0,    /* num_glyphs */
 
-  hb_face_t::NOTHING, /* dirty */
+  hb_face_t::DIRTY_NOTHING, /* dirty */
 
   {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
@@ -370,7 +370,7 @@ hb_face_set_index (hb_face_t    *face,
   if (face->index == index)
     return;
 
-  face->dirty |= face->INDEX;
+  face->dirty |= face->DIRTY_INDEX;
 
   face->index = index;
 }
@@ -410,7 +410,7 @@ hb_face_set_upem (hb_face_t    *face,
   if (face->upem == upem)
     return;
 
-  face->dirty |= face->UPEM;
+  face->dirty |= face->DIRTY_UPEM;
 
   face->upem = upem;
 }
@@ -459,7 +459,7 @@ hb_face_set_glyph_count (hb_face_t    *face,
   if (face->num_glyphs == glyph_count)
     return;
 
-  face->dirty |= face->NUM_GLYPHS;
+  face->dirty |= face->DIRTY_NUM_GLYPHS;
 
   face->num_glyphs = glyph_count;
 }
diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index fbb16a0b7..ed9f2c54a 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -117,13 +117,13 @@ struct hb_font_t {
   hb_destroy_func_t  destroy;
 
   enum dirty_t {
-    NOTHING	= 0x0000,
-    FACE	= 0x0001,
-    PARENT	= 0x0002,
-    FUNCS	= 0x0004,
-    SCALE	= 0x0008,
-    PPEM	= 0x0010,
-    VARIATIONS	= 0x0020,
+    DIRTY_NOTHING	= 0x0000,
+    DIRTY_FACE		= 0x0001,
+    DIRTY_PARENT	= 0x0002,
+    DIRTY_FUNCS		= 0x0004,
+    DIRTY_SCALE		= 0x0008,
+    DIRTY_PPEM		= 0x0010,
+    DIRTY_VARIATIONS	= 0x0020,
   } dirty;
 
   struct hb_shaper_data_t shaper_data;
diff --git a/src/hb-font.cc b/src/hb-font.cc
index e900bd3f6..a684c234d 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1196,7 +1196,7 @@ hb_font_get_empty (void)
     NULL, /* user_data */
     NULL, /* destroy */
 
-    hb_font_t::NOTHING, /* dirty */
+    hb_font_t::DIRTY_NOTHING, /* dirty */
 
     {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
@@ -1353,7 +1353,7 @@ hb_font_set_parent (hb_font_t *font,
   if (parent == font->parent)
     return;
 
-  font->dirty |= font->PARENT;
+  font->dirty |= font->DIRTY_PARENT;
 
   hb_font_t *old = font->parent;
 
@@ -1400,7 +1400,7 @@ hb_font_set_face (hb_font_t *font,
   if (font->face == face)
     return;
 
-  font->dirty |= font->FACE;
+  font->dirty |= font->DIRTY_FACE;
 
   hb_face_t *old = font->face;
 
@@ -1455,7 +1455,7 @@ hb_font_set_funcs (hb_font_t         *font,
   if (!klass)
     klass = hb_font_funcs_get_empty ();
 
-  font->dirty |= font->FUNCS;
+  font->dirty |= font->DIRTY_FUNCS;
 
   hb_font_funcs_reference (klass);
   hb_font_funcs_destroy (font->klass);
@@ -1515,7 +1515,7 @@ hb_font_set_scale (hb_font_t *font,
   if (font->x_scale == x_scale && font->y_scale == y_scale)
     return;
 
-  font->dirty |= font->SCALE;
+  font->dirty |= font->DIRTY_SCALE;
 
   font->x_scale = x_scale;
   font->y_scale = y_scale;
@@ -1561,7 +1561,7 @@ hb_font_set_ppem (hb_font_t *font,
   if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
     return;
 
-  font->dirty |= font->PPEM;
+  font->dirty |= font->DIRTY_PPEM;
 
   font->x_ppem = x_ppem;
   font->y_ppem = y_ppem;
@@ -1603,7 +1603,7 @@ _hb_font_adopt_var_coords_normalized (hb_font_t *font,
     return;
   }
 
-  font->dirty |= font->VARIATIONS;
+  font->dirty |= font->DIRTY_VARIATIONS;
 
   free (font->coords);
 

From 91770e1c567d87fc513e8d39576e51c3853b1f23 Mon Sep 17 00:00:00 2001
From: "Emil A Eklund (eae)" <eae@eae.net>
Date: Tue, 15 Aug 2017 16:25:18 -0700
Subject: [PATCH 0367/1326] Fix signed/unsigned warning (#522)

Change hb_buffer_diff to explicitly cast result of abs to unsigned when
comparing with position_fuzz to avoid unsafe signed/unsigned comparions
warnings on windows.
---
 src/hb-buffer.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index bfec0a7bb..9007cd0df 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1925,10 +1925,10 @@ hb_buffer_diff (hb_buffer_t *buffer,
     const hb_glyph_position_t *ref_pos = reference->pos;
     for (unsigned int i = 0; i < count; i++)
     {
-      if (abs (buf_pos->x_advance - ref_pos->x_advance) > position_fuzz ||
-          abs (buf_pos->y_advance - ref_pos->y_advance) > position_fuzz ||
-          abs (buf_pos->x_offset - ref_pos->x_offset) > position_fuzz ||
-          abs (buf_pos->y_offset - ref_pos->y_offset) > position_fuzz)
+      if ((unsigned int) abs (buf_pos->x_advance - ref_pos->x_advance) > position_fuzz ||
+          (unsigned int) abs (buf_pos->y_advance - ref_pos->y_advance) > position_fuzz ||
+          (unsigned int) abs (buf_pos->x_offset - ref_pos->x_offset) > position_fuzz ||
+          (unsigned int) abs (buf_pos->y_offset - ref_pos->y_offset) > position_fuzz)
       {
         result |= HB_BUFFER_DIFF_FLAG_POSITION_MISMATCH;
         break;

From 8820ba29dfd2e1302377da62a0527939a0d7d9fb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 15 Aug 2017 17:12:21 -0700
Subject: [PATCH 0368/1326] Fix warning about "may be used uninitialized"

---
 src/hb-ot-layout-common-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 180e5f086..578d850c1 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -941,7 +941,7 @@ struct Coverage
   }
 
   struct Iter {
-    Iter (void) : format (0) {};
+    Iter (void) : format (0), u () {};
     inline void init (const Coverage &c_) {
       format = c_.u.format;
       switch (format) {
@@ -982,8 +982,8 @@ struct Coverage
     private:
     unsigned int format;
     union {
+    CoverageFormat2::Iter	format2; /* Put this one first since it's larger; helps shut up compiler. */
     CoverageFormat1::Iter	format1;
-    CoverageFormat2::Iter	format2;
     } u;
   };
 

From 7ea10c35a34c894e87ee6576d6d4ba3e78535a27 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 15 Aug 2017 17:12:28 -0700
Subject: [PATCH 0369/1326] [util] Respect eot/bot in safe-to-break test; hook
 up hb_buffer_diff()

---
 util/options.hh | 38 ++++++++++++++++++++++++++------------
 1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/util/options.hh b/util/options.hh
index e9fca381c..17a852c4f 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -376,9 +376,20 @@ struct shape_options_t : option_group_t
       }
       assert (text_start < text_end);
 
-      //printf("start %d end %d text start %d end %d\n", start, end, text_start, text_end);
+      if (0)
+	printf("start %d end %d text start %d end %d\n", start, end, text_start, text_end);
+
       hb_buffer_clear_contents (fragment);
       copy_buffer_properties (fragment, buffer);
+
+      /* TODO: Add pre/post context text. */
+      hb_buffer_flags_t flags = hb_buffer_get_flags (fragment);
+      if (0 < text_start)
+        flags = (hb_buffer_flags_t) (flags & ~HB_BUFFER_FLAG_BOT);
+      if (text_end < num_chars)
+        flags = (hb_buffer_flags_t) (flags & ~HB_BUFFER_FLAG_EOT);
+      hb_buffer_set_flags (fragment, flags);
+
       hb_buffer_append (fragment, text_buffer, text_start, text_end);
       if (!hb_shape_full (font, fragment, features, num_features, shapers))
       {
@@ -397,22 +408,25 @@ struct shape_options_t : option_group_t
 	text_end = text_start;
     }
 
-    hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, NULL);
+    bool ret = true;
+    hb_buffer_diff_flags_t diff = hb_buffer_diff (buffer, reconstruction, 0, 0);
+    if (diff)
+    {
+      if (error)
+	*error = "Safe-to-break test failed.";
+      ret = false;
 
-    unsigned int r_num_glyphs;
-    hb_glyph_info_t *r_info = hb_buffer_get_glyph_infos (reconstruction, &r_num_glyphs);
-    hb_glyph_position_t *r_pos = hb_buffer_get_glyph_positions (reconstruction, NULL);
-
-    /* TODO Compare buffers. Remove assert. */
-    assert (num_glyphs == r_num_glyphs);
-
-    //hb_buffer_set_length (buffer, 0);
-    //hb_buffer_append (buffer, reconstruction, 0, -1);
+      if (0)
+      {
+	hb_buffer_set_length (buffer, 0);
+	hb_buffer_append (buffer, reconstruction, 0, -1);
+      }
+    }
 
     hb_buffer_destroy (reconstruction);
     hb_buffer_destroy (fragment);
 
-    return true;
+    return ret;
   }
 
   void shape_closure (const char *text, int text_len,

From a9e52a1af4c039bc53090a9c1e4c1136fc542605 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 15 Aug 2017 17:30:18 -0700
Subject: [PATCH 0370/1326] [util] Prefix trace lines with "trace:", and error
 lines with "error:"

---
 util/hb-shape.cc | 12 ++++++------
 util/options.cc  |  4 ++--
 util/options.hh  |  1 +
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index cab0eb213..84931daf3 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -97,7 +97,7 @@ struct output_buffer_t
   void error (const char *message)
   {
     g_string_set_size (gs, 0);
-    format.serialize_message (line_no, message, gs);
+    format.serialize_message (line_no, "error", message, gs);
     fprintf (options.fp, "%s", gs->str);
   }
   void consume_glyphs (hb_buffer_t  *buffer,
@@ -126,18 +126,18 @@ struct output_buffer_t
 		void *user_data)
   {
     output_buffer_t *that = (output_buffer_t *) user_data;
-    that->message (buffer, font, message);
+    that->trace (buffer, font, message);
     return true;
   }
 
   void
-  message (hb_buffer_t *buffer,
-	   hb_font_t *font,
-	   const char *message)
+  trace (hb_buffer_t *buffer,
+	 hb_font_t *font,
+	 const char *message)
   {
     g_string_set_size (gs, 0);
     format.serialize_line_no (line_no, gs);
-    g_string_append_printf (gs, "HB: %s	buffer: ", message);
+    g_string_append_printf (gs, "trace: %s	buffer: ", message);
     format.serialize_glyphs (buffer, font, output_format, format_flags, gs);
     g_string_append_c (gs, '\n');
     fprintf (options.fp, "%s", gs->str);
diff --git a/util/options.cc b/util/options.cc
index 1269ba657..b1a83edcb 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -871,12 +871,12 @@ format_options_t::serialize_buffer_of_text (hb_buffer_t  *buffer,
 }
 void
 format_options_t::serialize_message (unsigned int  line_no,
+				     const char   *type,
 				     const char   *msg,
 				     GString      *gs)
 {
   serialize_line_no (line_no, gs);
-  g_string_append_printf (gs, "message: ");
-  g_string_append_printf (gs, "%s", msg);
+  g_string_append_printf (gs, "%s: %s", type, msg);
   g_string_append_c (gs, '\n');
 }
 void
diff --git a/util/options.hh b/util/options.hh
index 17a852c4f..dbc4eaf94 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -640,6 +640,7 @@ struct format_options_t : option_group_t
 				 hb_font_t    *font,
 				 GString      *gs);
   void serialize_message (unsigned int  line_no,
+			  const char   *type,
 			  const char   *msg,
 			  GString      *gs);
   void serialize_buffer_of_glyphs (hb_buffer_t  *buffer,

From 3e8f4f145255a905029c6b5cb8f40e6dcca096f3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 22 Aug 2017 17:56:25 -0700
Subject: [PATCH 0371/1326] Rename HB_BUFFER_DIFF_FLAG_MASK_MISMATCH to
 HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH

---
 src/hb-buffer.cc | 2 +-
 src/hb-buffer.h  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 9007cd0df..0c175a38a 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1909,7 +1909,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
     if (buf_info->cluster != ref_info->cluster)
       result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
     if ((buf_info->mask & HB_GLYPH_FLAG_DEFINED) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
-      result |= HB_BUFFER_DIFF_FLAG_MASK_MISMATCH;
+      result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH;
     if (ref_info->codepoint == dottedcircle_glyph)
       result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;
     else if (ref_info->codepoint == 0)
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 98f83ff52..9f5943ec8 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -491,7 +491,7 @@ typedef enum { /*< flags >*/
    * and report which aspect(s) of the glyph info/position are different. */
   HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH	= 0x0010,
   HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH		= 0x0020,
-  HB_BUFFER_DIFF_FLAG_MASK_MISMATCH		= 0x0040,
+  HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH	= 0x0040,
   HB_BUFFER_DIFF_FLAG_POSITION_MISMATCH		= 0x0080
 
 } hb_buffer_diff_flags_t;

From b2dd0c1c32ba30714355baca1857d64c1608b4c2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 23 Aug 2017 13:12:54 -0700
Subject: [PATCH 0372/1326] Add hb_glyph_info_get_glyph_flags()

New API.
---
 src/hb-buffer.cc | 17 +++++++++++++++++
 src/hb-buffer.h  |  9 ++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 0c175a38a..a25a2cb67 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1411,6 +1411,23 @@ hb_buffer_get_glyph_positions (hb_buffer_t  *buffer,
   return (hb_glyph_position_t *) buffer->pos;
 }
 
+/**
+ * hb_glyph_info_get_glyph_flags:
+ * @buffer: a #hb_glyph_info_t.
+ *
+ * Returns glyph flags encoded within a #hb_glyph_info_t.
+ *
+ * Return value:
+ * The #hb_glyph_flags_t encoded within @info.
+ *
+ * Since: 1.5.0
+ **/
+hb_glyph_flags_t
+(hb_glyph_info_get_glyph_flags) (const hb_glyph_info_t *info)
+{
+  return hb_glyph_info_get_glyph_flags (info);
+}
+
 /**
  * hb_buffer_reverse:
  * @buffer: an #hb_buffer_t.
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 9f5943ec8..ffbf66ee1 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -63,7 +63,7 @@ HB_BEGIN_DECLS
  */
 typedef struct hb_glyph_info_t {
   hb_codepoint_t codepoint;
-  hb_mask_t      mask; /* Holds hb_glyph_flags_t after hb_shape() */
+  hb_mask_t      mask; /* Holds hb_glyph_flags_t after hb_shape(), plus other things. */
   uint32_t       cluster;
 
   /*< private >*/
@@ -77,6 +77,13 @@ typedef enum { /*< flags >*/
   HB_GLYPH_FLAG_DEFINED			= 0x00000001 /* OR of all defined flags */
 } hb_glyph_flags_t;
 
+HB_EXTERN hb_glyph_flags_t
+hb_glyph_info_get_glyph_flags (const hb_glyph_info_t *info);
+
+#define hb_glyph_info_get_glyph_flags(info) \
+	((hb_glyph_flags_t) ((unsigned int) (info)->mask & HB_GLYPH_FLAG_DEFINED))
+
+
 /**
  * hb_glyph_position_t:
  * @x_advance: how much the line advances after drawing this glyph when setting

From 4387b059a0603b17024de48d57bee6a3b5e9e56c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 23 Aug 2017 14:35:58 -0700
Subject: [PATCH 0373/1326] [test] Add --verify to hb-shape

Disabled for now.  Will enable and fix failures after next release.
---
 test/shaping/run-tests.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/shaping/run-tests.sh b/test/shaping/run-tests.sh
index 021c6f8ac..9c4963148 100755
--- a/test/shaping/run-tests.sh
+++ b/test/shaping/run-tests.sh
@@ -4,7 +4,8 @@ test "x$srcdir" = x && srcdir=.
 test "x$builddir" = x && builddir=.
 test "x$top_builddir" = x && top_builddir=../..
 
-hb_shape=$top_builddir/util/hb-shape$EXEEXT
+#hb_shape="$top_builddir/util/hb-shape$EXEEXT --verify"
+hb_shape="$top_builddir/util/hb-shape$EXEEXT"
 
 fails=0
 

From 224d20e4e1c62416ff842a81188dfeff069f895b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 23 Aug 2017 14:41:48 -0700
Subject: [PATCH 0374/1326] [docs] Minor

---
 docs/harfbuzz-docs.xml     | 12 ++++++++++++
 docs/harfbuzz-sections.txt | 10 ++++++++++
 src/hb-buffer.cc           |  8 +++++++-
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index 00113e985..d77ea654a 100644
--- a/docs/harfbuzz-docs.xml
+++ b/docs/harfbuzz-docs.xml
@@ -184,6 +184,18 @@
         <title>Index of new symbols in 1.3.3</title>
         <xi:include href="xml/api-index-1.3.3.xml"><xi:fallback /></xi:include>
       </index>
+      <index id="api-index-1-4-2" role="1.4.2">
+        <title>Index of new symbols in 1.4.2</title>
+        <xi:include href="xml/api-index-1.4.2.xml"><xi:fallback /></xi:include>
+      </index>
+      <index id="api-index-1-4-3" role="1.4.3">
+        <title>Index of new symbols in 1.4.3</title>
+        <xi:include href="xml/api-index-1.4.3.xml"><xi:fallback /></xi:include>
+      </index>
+      <index id="api-index-1-5-0" role="1.5.0">
+        <title>Index of new symbols in 1.5.0</title>
+        <xi:include href="xml/api-index-1.5.0.xml"><xi:fallback /></xi:include>
+      </index>
       <index id="deprecated-api-index" role="deprecated">
         <title>Index of deprecated API</title>
         <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>
diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index a91eb4c2c..6ceefd250 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -41,6 +41,7 @@ hb_buffer_add_utf32
 hb_buffer_add_utf16
 hb_buffer_add_utf8
 hb_buffer_add_latin1
+hb_buffer_append
 hb_buffer_set_content_type
 hb_buffer_get_content_type
 hb_buffer_set_direction
@@ -77,9 +78,12 @@ hb_buffer_serialize_format_to_string
 hb_buffer_serialize_list_formats
 hb_segment_properties_equal
 hb_segment_properties_hash
+hb_buffer_diff
 hb_buffer_set_message_func
 hb_buffer_t
+hb_glyph_info_get_glyph_flags
 hb_glyph_info_t
+hb_glyph_flags_t
 hb_glyph_position_t
 hb_buffer_content_type_t
 hb_buffer_flags_t
@@ -87,6 +91,7 @@ hb_buffer_cluster_level_t
 hb_segment_properties_t
 hb_buffer_serialize_format_t
 hb_buffer_serialize_flags_t
+hb_buffer_diff_flags_t
 hb_buffer_message_func_t
 </SECTION>
 
@@ -251,6 +256,7 @@ hb_font_glyph_to_string
 hb_font_is_immutable
 hb_font_make_immutable
 hb_font_reference
+hb_font_set_face
 hb_font_set_funcs
 hb_font_set_funcs_data
 hb_font_set_parent
@@ -302,6 +308,7 @@ hb_glib_blob_create
 HB_GOBJECT_TYPE_BLOB
 HB_GOBJECT_TYPE_BUFFER
 HB_GOBJECT_TYPE_BUFFER_CONTENT_TYPE
+HB_GOBJECT_TYPE_BUFFER_DIFF_FLAGS
 HB_GOBJECT_TYPE_BUFFER_FLAGS
 HB_GOBJECT_TYPE_BUFFER_SERIALIZE_FLAGS
 HB_GOBJECT_TYPE_BUFFER_SERIALIZE_FORMAT
@@ -309,6 +316,7 @@ HB_GOBJECT_TYPE_DIRECTION
 HB_GOBJECT_TYPE_FACE
 HB_GOBJECT_TYPE_FONT
 HB_GOBJECT_TYPE_FONT_FUNCS
+HB_GOBJECT_TYPE_GLYPH_FLAGS
 HB_GOBJECT_TYPE_MEMORY_MODE
 HB_GOBJECT_TYPE_OT_LAYOUT_GLYPH_CLASS
 HB_GOBJECT_TYPE_OT_MATH_CONSTANT
@@ -328,6 +336,7 @@ HB_GOBJECT_TYPE_SET
 HB_GOBJECT_TYPE_USER_DATA_KEY
 hb_gobject_blob_get_type
 hb_gobject_buffer_content_type_get_type
+hb_gobject_buffer_diff_flags_get_type
 hb_gobject_buffer_flags_get_type
 hb_gobject_buffer_get_type
 hb_gobject_buffer_serialize_flags_get_type
@@ -336,6 +345,7 @@ hb_gobject_direction_get_type
 hb_gobject_face_get_type
 hb_gobject_font_funcs_get_type
 hb_gobject_font_get_type
+hb_gobject_glyph_flags_get_type
 hb_gobject_memory_mode_get_type
 hb_gobject_ot_layout_glyph_class_get_type
 hb_gobject_ot_math_constant_get_type
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index a25a2cb67..a45062aa5 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1413,7 +1413,7 @@ hb_buffer_get_glyph_positions (hb_buffer_t  *buffer,
 
 /**
  * hb_glyph_info_get_glyph_flags:
- * @buffer: a #hb_glyph_info_t.
+ * @info: a #hb_glyph_info_t.
  *
  * Returns glyph flags encoded within a #hb_glyph_info_t.
  *
@@ -1882,6 +1882,12 @@ hb_buffer_t::sort (unsigned int start, unsigned int end, int(*compar)(const hb_g
  * Comparing buffers.
  */
 
+/**
+ * hb_buffer_diff:
+ *
+ *
+ * Since: 1.5.0
+ **/
 hb_buffer_diff_flags_t
 hb_buffer_diff (hb_buffer_t *buffer,
 		hb_buffer_t *reference,

From e8b364b86023731e0416ab4eb433467c4b7a0ec2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 23 Aug 2017 15:00:45 -0700
Subject: [PATCH 0375/1326] 1.5.0

---
 NEWS         | 44 ++++++++++++++++++++++++++++++++++++++++++++
 configure.ac |  2 +-
 2 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index b058bad3c..3a3962bcf 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,47 @@
+Overview of changes leading to 1.5.0
+Wednesday, August 23, 2017
+====================================
+
+- Misc new API, for appending a buffer to another, and for comparing
+  contents of two buffers for types of differences.
+
+- New "unsafe-to-break" API.  Can be used to speed up reshaping
+  in line-breaking situations.  Essentially, after shaping, it returns
+  positions in the input string (some of the cluster boundaries) that
+  are "safe to break" in that if the text is segmented at that position
+  and two sides reshaped and concatenated, the shaping result is
+  exactly the same as shaping the text in one piece.
+
+  hb-view and hb-shape and hb-shape now take --verify, which verifies
+  the above property.
+
+  Some corner cases of the implementation are still not quite working.
+  Those will be fixed in subsequent releases.
+
+- New API:
+
+hb_buffer_append()
+
+hb_glyph_flags_t
+HB_GLYPH_FLAG_UNSAFE_TO_BREAK
+HB_GLYPH_FLAG_DEFINED
+hb_glyph_info_get_glyph_flags()
+
+HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS
+
+hb_buffer_diff_flags_t
+HB_BUFFER_DIFF_FLAG_EQUAL
+HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH
+HB_BUFFER_DIFF_FLAG_LENGTH_MISMATCH
+HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT
+HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT
+HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH
+HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH
+HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH
+HB_BUFFER_DIFF_FLAG_POSITION_MISMATCH
+hb_buffer_diff
+
+
 Overview of changes leading to 1.4.8
 Tuesday, August 8, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 52134c877..82895eab9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.4.8],
+        [1.5.0],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 099472e08bf81d6dd8ca1647999592df6b7fdfb9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 30 Aug 2017 16:45:06 -0700
Subject: [PATCH 0376/1326] hb_buffer_diff() tweak

I like to have a mode where CONTAINS_NOTDEF and CONTAINS_DOTTEDCIRCLE are not
returned.  Abused a value of -1 for that.  hb-shape now uses it.  Fixes two
of the six tests failing with --verify in test/shaping/run-tests.sh.
---
 src/hb-buffer.cc          | 16 ++++++++--------
 test/shaping/run-tests.sh |  4 ++--
 util/options.hh           |  2 +-
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index a45062aa5..6b05d3a6a 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -31,10 +31,6 @@
 #include "hb-utf-private.hh"
 
 
-#ifndef HB_DEBUG_BUFFER
-#define HB_DEBUG_BUFFER (HB_DEBUG+0)
-#endif
-
 /**
  * SECTION: hb-buffer
  * @title: Buffers
@@ -1885,6 +1881,9 @@ hb_buffer_t::sort (unsigned int start, unsigned int end, int(*compar)(const hb_g
 /**
  * hb_buffer_diff:
  *
+ * If dottedcircle_glyph is (hb_codepoint_t) -1 then %HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT
+ * and %HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT are never returned.  This should be used by most
+ * callers if just comparing two buffers is needed.
  *
  * Since: 1.5.0
  **/
@@ -1898,6 +1897,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
     return HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH;
 
   hb_buffer_diff_flags_t result = HB_BUFFER_DIFF_FLAG_EQUAL;
+  bool contains = dottedcircle_glyph != (hb_codepoint_t) -1;
 
   unsigned int count = reference->len;
 
@@ -1911,9 +1911,9 @@ hb_buffer_diff (hb_buffer_t *buffer,
     unsigned int i;
     for (i = 0; i < count; i++)
     {
-      if (info[i].codepoint == dottedcircle_glyph)
+      if (contains && info[i].codepoint == dottedcircle_glyph)
         result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;
-      else if (info[i].codepoint == 0)
+      if (contains && info[i].codepoint == 0)
         result |= HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT;
     }
     result |= HB_BUFFER_DIFF_FLAG_LENGTH_MISMATCH;
@@ -1933,9 +1933,9 @@ hb_buffer_diff (hb_buffer_t *buffer,
       result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
     if ((buf_info->mask & HB_GLYPH_FLAG_DEFINED) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
       result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH;
-    if (ref_info->codepoint == dottedcircle_glyph)
+    if (contains && ref_info->codepoint == dottedcircle_glyph)
       result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;
-    else if (ref_info->codepoint == 0)
+    if (contains && ref_info->codepoint == 0)
       result |= HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT;
     buf_info++;
     ref_info++;
diff --git a/test/shaping/run-tests.sh b/test/shaping/run-tests.sh
index 9c4963148..2b10e7c83 100755
--- a/test/shaping/run-tests.sh
+++ b/test/shaping/run-tests.sh
@@ -4,8 +4,8 @@ test "x$srcdir" = x && srcdir=.
 test "x$builddir" = x && builddir=.
 test "x$top_builddir" = x && top_builddir=../..
 
-#hb_shape="$top_builddir/util/hb-shape$EXEEXT --verify"
-hb_shape="$top_builddir/util/hb-shape$EXEEXT"
+hb_shape="$top_builddir/util/hb-shape$EXEEXT --verify"
+#hb_shape="$top_builddir/util/hb-shape$EXEEXT"
 
 fails=0
 
diff --git a/util/options.hh b/util/options.hh
index dbc4eaf94..9ad2225d5 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -409,7 +409,7 @@ struct shape_options_t : option_group_t
     }
 
     bool ret = true;
-    hb_buffer_diff_flags_t diff = hb_buffer_diff (buffer, reconstruction, 0, 0);
+    hb_buffer_diff_flags_t diff = hb_buffer_diff (buffer, reconstruction, (hb_codepoint_t) -1, 0);
     if (diff)
     {
       if (error)

From 69d701b02e5ebc3597b0d0576dbab8e1ece51944 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 30 Aug 2017 17:07:29 -0700
Subject: [PATCH 0377/1326] [util] When --verify fails, return reconstructed
 shape results

---
 util/options.hh    | 8 +++-----
 util/view-cairo.hh | 2 +-
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/util/options.hh b/util/options.hh
index 9ad2225d5..42bb8c46e 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -416,11 +416,9 @@ struct shape_options_t : option_group_t
 	*error = "Safe-to-break test failed.";
       ret = false;
 
-      if (0)
-      {
-	hb_buffer_set_length (buffer, 0);
-	hb_buffer_append (buffer, reconstruction, 0, -1);
-      }
+      /* Return the reconstructed result instead so it can be inspected. */
+      hb_buffer_set_length (buffer, 0);
+      hb_buffer_append (buffer, reconstruction, 0, -1);
     }
 
     hb_buffer_destroy (reconstruction);
diff --git a/util/view-cairo.hh b/util/view-cairo.hh
index d3e59afa5..bf56da3c8 100644
--- a/util/view-cairo.hh
+++ b/util/view-cairo.hh
@@ -59,7 +59,7 @@ struct view_cairo_t
   }
   void error (const char *message)
   {
-    fail (false, "%s", message);
+    g_printerr ("%s: %s\n", g_get_prgname (), message);
   }
   void consume_glyphs (hb_buffer_t  *buffer,
 		       const char   *text,

From b262ebcc9c9539076d17751e9bae06a8fd5001ff Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 30 Aug 2017 17:25:10 -0700
Subject: [PATCH 0378/1326] [util] Fix cluster sweeping during --verify

If *I* get this wrong in 2017, I have no idea how others get their head around
cluster math...

Fixes tests/arabic-fallback-shaping.tests
---
 util/options.hh | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/util/options.hh b/util/options.hh
index 42bb8c46e..b24ab0c8e 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -366,13 +366,18 @@ struct shape_options_t : option_group_t
       }
       else
       {
-	unsigned int cluster = info[end].cluster;
 	if (forward)
-	  while (text_end < num_chars && text[text_end].cluster != cluster)
+	{
+	  unsigned int cluster = info[end].cluster;
+	  while (text_end < num_chars && text[text_end].cluster < cluster)
 	    text_end++;
+	}
 	else
-	  while (text_start && text[text_start - 1].cluster != cluster)
+	{
+	  unsigned int cluster = info[end - 1].cluster;
+	  while (text_start && text[text_start - 1].cluster >= cluster)
 	    text_start--;
+	}
       }
       assert (text_start < text_end);
 

From c449d2d8c9e27502380faa0b568a374c838ac9a7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 30 Aug 2017 17:28:22 -0700
Subject: [PATCH 0379/1326] [unsafe-to-break] Mark during fraction-slash
 formation

Fixes tests/automatic-fractions.tests
---
 src/hb-ot-shape.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index bc5366969..54c33a3e1 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -394,6 +394,8 @@ hb_ot_shape_setup_masks_fraction (hb_ot_shape_context_t *c)
 	     HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER)
         end++;
 
+      buffer->unsafe_to_break (start, end);
+
       for (unsigned int j = start; j < i; j++)
         info[j].mask |= pre_mask;
       info[i].mask |= c->plan->frac_mask;

From 06cb162cd79cc922b572e5f532ca867223b6dc4c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 1 Sep 2017 10:34:21 -0700
Subject: [PATCH 0380/1326] [indic] Treat Consonant_With_Stacker as consonant

Fixes https://github.com/behdad/harfbuzz/issues/528
"Kannada JIHVAMULIYA and UPADHMANIYA insert dotted circles"
---
 src/hb-ot-shape-complex-indic-private.hh          |   2 +-
 .../3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf  | Bin 0 -> 988 bytes
 test/shaping/tests/indic-syllable.tests           |   3 ++-
 3 files changed, 3 insertions(+), 2 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf

diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index 58be42224..c880311ee 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -121,7 +121,7 @@ enum indic_syllabic_category_t {
   INDIC_SYLLABIC_CATEGORY_CONSONANT_PREFIXED		= OT_X, /* Don't care. */
   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED		= OT_CM,
   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA	= OT_N,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER	= OT_Repha, /* TODO */
+  INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER	= OT_C,
   INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		= OT_SM,
   INDIC_SYLLABIC_CATEGORY_INVISIBLE_STACKER		= OT_Coeng,
   INDIC_SYLLABIC_CATEGORY_JOINER			= OT_ZWJ,
diff --git a/test/shaping/fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf b/test/shaping/fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..d7db1de2b0df348eb7d9f72d75422b51adada9a4
GIT binary patch
literal 988
zcmZ{jT}YEr7{~wTea~L!+@|I>OU?G-M^U6sH%k`Smx~Hlj=&($<($*pTyDXFF1oT0
z3JNMIB8BoMA}PWkywJKdE4&N3iy%lyjqpO<dd@pF=;M7k=Y4+v=Q+=FKHdWcz=(^G
z(e6EPunGB)0QnZF7Vj~iADf^jenOn*^`F@HL3#g{c%0bk^H(_s78BnA=^Al+M<ft~
z-cU|FOT42i5RV~?UdWe;^<BN^L)W(tOp{H1W(;=*g4)BZlH$uqbB9UD>($zb!^CCb
zNFtfLn~8j<#Q5I6jsO~PiMWJV8wn(1C}O86*D|p+8i;iAclt4^w~@Fx))!BtyAdK5
z`K+`?%FPe)9%RFWEi{gqZ7#-KHZ!Yt*DDT(z0y)xkfmg~Yi-WLib`paJzM(7Mp9Av
zTgvpfwAgy`Q){uQ;^E6mdr>p<x;GbYla8*;c|4NBW<8$N?V0jo&hvJr>b}%iIp0tR
z1^WTb1l7zzAsnbeHEO7`(_%I$4ts^G&RyViyXq<&cExP6{7;t)*v$t|$L`-9eKFYD
z*5+?*YnONZA*|@+zVVTviC2$?U$0D^?FhzW!Onik^|vNhFWsRX5oa%B7&=T)6ZHF$
zR$1(~@G#w;rYn2Dw&i+$B1fynP3M1pBaE4?Q*+BLOOu8nB}tgQmWfYel6S+V$g~HP
zLrE@;0*2?yEva$C&{~w5N^~+fUt~9+q5Zn2sil$^GGFN`LQ(^rdX7fo8ZJp3jq9US
z!|U^T(Wsx-FJx*cNq(Fh>WX-eW`JyQ`a+RaRS!-I{S5R{lzt(drhY!1{*kBp$wl{|
zR77*J9y@Wymgu(F(TqMMs9E7h08zxrI-*)p>Vwo;(1|XbLoeC=>S&P@>5%vz|M^JJ
pLZW%B%`g+hsJb`{nx)!wbRUhY<AtU}3C&YF6Ae0Hq&~3j#V>(JxHtd+

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index 26c38b35b..37eaadcd5 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -1 +1,2 @@
-fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3:[taprehalftamil=0+1509|uni00B3=2+674]
+fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
+fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]

From 04f009f84891b513087830c7aa1b755addd016d9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 1 Sep 2017 10:38:25 -0700
Subject: [PATCH 0381/1326] Add test accidentally removed in previous commit

---
 test/shaping/tests/indic-syllable.tests | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index 37eaadcd5..ecaad906b 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -1,2 +1,3 @@
+fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3:[taprehalftamil=0+1509|uni00B3=2+674]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]

From 3e1fc6d18ba0019bbeede78b95070a6e7156c314 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 1 Sep 2017 10:46:48 -0700
Subject: [PATCH 0382/1326] Minor

---
 test/shaping/run-tests.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/shaping/run-tests.sh b/test/shaping/run-tests.sh
index 2b10e7c83..9f3654506 100755
--- a/test/shaping/run-tests.sh
+++ b/test/shaping/run-tests.sh
@@ -23,10 +23,10 @@ for f in "$@"; do
 	$reference || echo "Running tests in $f"
 	while IFS=: read fontfile options unicodes glyphs_expected; do
 		if echo "$fontfile" | grep -q '^#'; then
-			$reference || echo "Skipping $fontfile:$unicodes"
+			$reference || echo "#hb-shape $fontfile --unicodes $unicodes"
 			continue
 		fi
-		$reference || echo "Testing $fontfile:$unicodes"
+		$reference || echo "hb-shape $fontfile --unicodes $unicodes"
 		glyphs=`$srcdir/hb-unicode-encode "$unicodes" | $hb_shape $options "$srcdir/$fontfile"`
 		if test $? != 0; then
 			echo "hb-shape failed." >&2

From 0e5b475d98dd67e927534508fe2cd8dc9765e24e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 1 Sep 2017 18:28:47 -0700
Subject: [PATCH 0383/1326] Minor

---
 test/shaping/run-tests.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/run-tests.sh b/test/shaping/run-tests.sh
index 9f3654506..c6b35e31e 100755
--- a/test/shaping/run-tests.sh
+++ b/test/shaping/run-tests.sh
@@ -23,7 +23,7 @@ for f in "$@"; do
 	$reference || echo "Running tests in $f"
 	while IFS=: read fontfile options unicodes glyphs_expected; do
 		if echo "$fontfile" | grep -q '^#'; then
-			$reference || echo "#hb-shape $fontfile --unicodes $unicodes"
+			$reference || echo "# hb-shape $fontfile --unicodes $unicodes"
 			continue
 		fi
 		$reference || echo "hb-shape $fontfile --unicodes $unicodes"

From 03a5a6f873e5a50011f1c2418f5ceab86d9c2931 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 1 Sep 2017 19:09:54 -0700
Subject: [PATCH 0384/1326] [util] Add --unicodes to hb-view / hb-shape

Fixes https://github.com/behdad/harfbuzz/issues/154
---
 test/shaping/hb_test_tools.py |  2 +-
 util/options.cc               | 65 ++++++++++++++++++++++++++++++++++-
 2 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/test/shaping/hb_test_tools.py b/test/shaping/hb_test_tools.py
index 052974dee..b9cb836a5 100644
--- a/test/shaping/hb_test_tools.py
+++ b/test/shaping/hb_test_tools.py
@@ -461,7 +461,7 @@ class Unicode:
 	@staticmethod
 	def parse (s):
 		s = re.sub (r"0[xX]", " ", s)
-		s = re.sub (r"[<+>{},;&#\\xXuUnNiI\n	]", " ", s)
+		s = re.sub (r"[<+>{},;&#\\xXuUnNiI\n\t]", " ", s)
 		return [int (x, 16) for x in s.split ()]
 
 	@staticmethod
diff --git a/util/options.cc b/util/options.cc
index b1a83edcb..1abafdaa7 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -299,6 +299,68 @@ parse_variations (const char *name G_GNUC_UNUSED,
   return true;
 }
 
+static gboolean
+parse_text (const char *name G_GNUC_UNUSED,
+	    const char *arg,
+	    gpointer    data,
+	    GError    **error G_GNUC_UNUSED)
+{
+  text_options_t *text_opts = (text_options_t *) data;
+
+  if (text_opts->text)
+  {
+    g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+		 "Either --text or --unicodes can be provided but not both");
+    return false;
+  }
+
+  text_opts->text = g_strdup (arg);
+  return true;
+}
+
+
+static gboolean
+parse_unicodes (const char *name G_GNUC_UNUSED,
+	        const char *arg,
+	        gpointer    data,
+	        GError    **error G_GNUC_UNUSED)
+{
+  text_options_t *text_opts = (text_options_t *) data;
+
+  if (text_opts->text)
+  {
+    g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+		 "Either --text or --unicodes can be provided but not both");
+    return false;
+  }
+
+  GString *gs = g_string_new (NULL);
+  char *s = (char *) arg;
+  char *p;
+
+  while (s && *s)
+  {
+    while (*s && strchr ("<+>{},;&#\\xXuUnNiI\n\t", *s))
+      s++;
+
+    errno = 0;
+    hb_codepoint_t u = strtoul (s, &p, 16);
+    if (errno || s == p)
+    {
+      g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+		   "Failed parsing Unicode values at: '%s'", s);
+      return false;
+    }
+
+    g_string_append_unichar (gs, u);
+
+    s = p;
+  }
+
+  text_opts->text = g_string_free (gs, FALSE);
+  return true;
+}
+
 
 void
 view_options_t::add_options (option_parser_t *parser)
@@ -491,8 +553,9 @@ text_options_t::add_options (option_parser_t *parser)
 {
   GOptionEntry entries[] =
   {
-    {"text",		0, 0, G_OPTION_ARG_STRING,	&this->text,			"Set input text",			"string"},
+    {"text",		0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_text,		"Set input text",			"string"},
     {"text-file",	0, 0, G_OPTION_ARG_STRING,	&this->text_file,		"Set input text file-name\n\n    If no text is provided, standard input is used for input.\n",		"filename"},
+    {"unicodes",	0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_unicodes,		"Set input Unicode codepoints",		"list of hex numbers"},
     {"text-before",	0, 0, G_OPTION_ARG_STRING,	&this->text_before,		"Set text context before each line",	"string"},
     {"text-after",	0, 0, G_OPTION_ARG_STRING,	&this->text_after,		"Set text context after each line",	"string"},
     {NULL}

From 61a9d7e6d0e6df7b48f58fa1679f0f93407993b2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 4 Sep 2017 19:48:52 -0700
Subject: [PATCH 0385/1326] Minor

---
 test/shaping/run-tests.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/shaping/run-tests.sh b/test/shaping/run-tests.sh
index c6b35e31e..a7d331aa2 100755
--- a/test/shaping/run-tests.sh
+++ b/test/shaping/run-tests.sh
@@ -26,12 +26,12 @@ for f in "$@"; do
 			$reference || echo "# hb-shape $fontfile --unicodes $unicodes"
 			continue
 		fi
-		$reference || echo "hb-shape $fontfile --unicodes $unicodes"
-		glyphs=`$srcdir/hb-unicode-encode "$unicodes" | $hb_shape $options "$srcdir/$fontfile"`
+		$reference || echo "hb-shape $fontfile $options --unicodes $unicodes"
+		glyphs=`$hb_shape "$srcdir/$fontfile" $options --unicodes "$unicodes"`
 		if test $? != 0; then
 			echo "hb-shape failed." >&2
 			fails=$((fails+1))
-			continue
+			#continue
 		fi
 		if $reference; then
 			echo "$fontfile:$options:$unicodes:$glyphs"

From 7cc348041d0b026ca6d2c240134e8f9100600e99 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 4 Sep 2017 20:04:59 -0700
Subject: [PATCH 0386/1326] [unsafe-to-break] Fix unsafe-to-break for
 cluster-level=1

Fixes tests/shaping/tests/cluster.tests
---
 src/hb-ot-shape.cc | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 54c33a3e1..8cd8fcc17 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -275,8 +275,7 @@ hb_insert_dotted_circle (hb_buffer_t *buffer, hb_font_t *font)
 static void
 hb_form_clusters (hb_buffer_t *buffer)
 {
-  if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII) ||
-      buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
+  if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII))
     return;
 
   /* Loop duplicated in hb_ensure_native_direction(), and in _hb-coretext.cc */
@@ -288,11 +287,17 @@ hb_form_clusters (hb_buffer_t *buffer)
     if (likely (!HB_UNICODE_GENERAL_CATEGORY_IS_MARK (_hb_glyph_info_get_general_category (&info[i])) &&
 		!_hb_glyph_info_is_joiner (&info[i])))
     {
-      buffer->merge_clusters (base, i);
+      if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
+	buffer->merge_clusters (base, i);
+      else
+	buffer->unsafe_to_break (base, i);
       base = i;
     }
   }
-  buffer->merge_clusters (base, count);
+  if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
+    buffer->merge_clusters (base, count);
+  else
+    buffer->unsafe_to_break (base, count);
 }
 
 static void
@@ -580,8 +585,6 @@ hb_ot_substitute_default (hb_ot_shape_context_t *c)
 {
   hb_buffer_t *buffer = c->buffer;
 
-  hb_ot_shape_initialize_masks (c);
-
   hb_ot_mirror_chars (c);
 
   HB_BUFFER_ALLOCATE_VAR (buffer, glyph_index);
@@ -836,8 +839,10 @@ hb_ot_shape_internal (hb_ot_shape_context_t *c)
 
   c->buffer->clear_output ();
 
+  hb_ot_shape_initialize_masks (c);
   hb_set_unicode_props (c->buffer);
   hb_insert_dotted_circle (c->buffer, c->font);
+
   hb_form_clusters (c->buffer);
 
   hb_ensure_native_direction (c->buffer);

From d03f11f246efec13e48fd68a9ce136db771b22bf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 4 Sep 2017 20:14:13 -0700
Subject: [PATCH 0387/1326] Fix buffer_diff for empty buffers

If buffers are empty, content type should be ignored.

This fixes last of the failing tests: fuzzed.tests.  Green again!
---
 src/hb-buffer.cc | 2 +-
 src/hb-buffer.h  | 4 ++--
 util/options.hh  | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 6b05d3a6a..171d1016e 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1893,7 +1893,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
 		hb_codepoint_t dottedcircle_glyph,
 		unsigned int position_fuzz)
 {
-  if (buffer->content_type != reference->content_type)
+  if (buffer->content_type != reference->content_type && buffer->len && reference->len)
     return HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH;
 
   hb_buffer_diff_flags_t result = HB_BUFFER_DIFF_FLAG_EQUAL;
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index ffbf66ee1..1d633f7dc 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -481,12 +481,12 @@ typedef enum { /*< flags >*/
 
   /* Buffers with different content_type cannot be meaningfully compared
    * in any further detail. */
-  HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH	= 0X0001,
+  HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH	= 0x0001,
 
   /* For buffers with differing length, the per-glyph comparison is not
    * attempted, though we do still scan reference for dottedcircle / .notdef
    * glyphs. */
-  HB_BUFFER_DIFF_FLAG_LENGTH_MISMATCH		= 0X0002,
+  HB_BUFFER_DIFF_FLAG_LENGTH_MISMATCH		= 0x0002,
 
   /* We want to know if dottedcircle / .notdef glyphs are present in the
    * reference, as we may not care so much about other differences in this
diff --git a/util/options.hh b/util/options.hh
index b24ab0c8e..9feee2dc0 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -414,7 +414,7 @@ struct shape_options_t : option_group_t
     }
 
     bool ret = true;
-    hb_buffer_diff_flags_t diff = hb_buffer_diff (buffer, reconstruction, (hb_codepoint_t) -1, 0);
+    hb_buffer_diff_flags_t diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0);
     if (diff)
     {
       if (error)

From a984e0c4d921a6dff82cc1b5c686cc957215bc7e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 5 Sep 2017 11:18:35 -0700
Subject: [PATCH 0388/1326] 1.5.1

---
 NEWS         | 13 +++++++++++++
 configure.ac |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 3a3962bcf..92e5a5370 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,16 @@
+Overview of changes leading to 1.5.1
+Tuesday, September 5, 2017
+====================================
+
+- Fix "unsafe-to-break" in fallback shaping and other corner cases.
+  All our tests pass with --verify now, meaning unsafe-to-break API
+  works as expected.
+- Add --unicodes to hb-view / hb-shape.
+- [indic] Treat Consonant_With_Stacker as consonant.  This will need
+  further tweaking.
+- hb_buffer_diff() tweaks.
+
+
 Overview of changes leading to 1.5.0
 Wednesday, August 23, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 82895eab9..9151abc05 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.5.0],
+        [1.5.1],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 9355218f582a6c2425cadcb868204f81b17d5767 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 9 Sep 2017 11:21:07 -0700
Subject: [PATCH 0389/1326] [util] Add a few shorthand forms for commandline
 options

-o, -O, -u, -v, -V
---
 util/options.cc | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/util/options.cc b/util/options.cc
index 1abafdaa7..3aa6834dd 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -555,7 +555,7 @@ text_options_t::add_options (option_parser_t *parser)
   {
     {"text",		0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_text,		"Set input text",			"string"},
     {"text-file",	0, 0, G_OPTION_ARG_STRING,	&this->text_file,		"Set input text file-name\n\n    If no text is provided, standard input is used for input.\n",		"filename"},
-    {"unicodes",	0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_unicodes,		"Set input Unicode codepoints",		"list of hex numbers"},
+    {"unicodes",      'u', 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_unicodes,		"Set input Unicode codepoints",		"list of hex numbers"},
     {"text-before",	0, 0, G_OPTION_ARG_STRING,	&this->text_before,		"Set text context before each line",	"string"},
     {"text-after",	0, 0, G_OPTION_ARG_STRING,	&this->text_after,		"Set text context after each line",	"string"},
     {NULL}
@@ -584,8 +584,8 @@ output_options_t::add_options (option_parser_t *parser)
 
   GOptionEntry entries[] =
   {
-    {"output-file",	0, 0, G_OPTION_ARG_STRING,	&this->output_file,		"Set output file-name (default: stdout)","filename"},
-    {"output-format",	0, 0, G_OPTION_ARG_STRING,	&this->output_format,		text,					"format"},
+    {"output-file",   'o', 0, G_OPTION_ARG_STRING,	&this->output_file,		"Set output file-name (default: stdout)","filename"},
+    {"output-format", 'O', 0, G_OPTION_ARG_STRING,	&this->output_format,		text,					"format"},
     {NULL}
   };
   parser->add_group (entries,
@@ -836,7 +836,7 @@ format_options_t::add_options (option_parser_t *parser)
     {"show-text",	0, 0, G_OPTION_ARG_NONE,	&this->show_text,		"Prefix each line of output with its corresponding input text",		NULL},
     {"show-unicode",	0, 0, G_OPTION_ARG_NONE,	&this->show_unicode,		"Prefix each line of output with its corresponding input codepoint(s)",	NULL},
     {"show-line-num",	0, 0, G_OPTION_ARG_NONE,	&this->show_line_num,		"Prefix each line of output with its corresponding input line number",	NULL},
-    {"verbose",		0, G_OPTION_FLAG_NO_ARG,
+    {"verbose",	      'v', G_OPTION_FLAG_NO_ARG,
 			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_verbose,	"Prefix each line of output with all of the above",			NULL},
     {"no-glyph-names",	0, G_OPTION_FLAG_REVERSE,
 			      G_OPTION_ARG_NONE,	&this->show_glyph_names,	"Output glyph indices instead of names",				NULL},
@@ -846,7 +846,7 @@ format_options_t::add_options (option_parser_t *parser)
 			      G_OPTION_ARG_NONE,	&this->show_clusters,		"Do not output cluster indices",					NULL},
     {"show-extents",	0, 0, G_OPTION_ARG_NONE,	&this->show_extents,		"Output glyph extents",							NULL},
     {"show-flags",	0, 0, G_OPTION_ARG_NONE,	&this->show_flags,		"Output glyph flags",							NULL},
-    {"trace",		0, 0, G_OPTION_ARG_NONE,	&this->trace,			"Output interim shaping results",					NULL},
+    {"trace",	      'V', 0, G_OPTION_ARG_NONE,	&this->trace,			"Output interim shaping results",					NULL},
     {NULL}
   };
   parser->add_group (entries,

From 3ca69c8c32b8408dd9f8e6e866cd07e58c0d79b7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 14 Sep 2017 20:50:35 -0400
Subject: [PATCH 0390/1326] Use strtod_l() to correctly parse decimal numbers
 in French & other locales
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Test with, eg.:
$ LC_ALL=fr_FR.utf-8 ./hb-view NotoSansArabic-VF.ttf بهداد --variations wght=1.2
---
 configure.ac     |  4 ++--
 src/hb-common.cc | 53 ++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 53 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 9151abc05..d65cae8cd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -69,8 +69,8 @@ GTK_DOC_CHECK([1.15],[--flavour no-tmpl])
 ])
 
 # Functions and headers
-AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap isatty)
-AC_CHECK_HEADERS(unistd.h sys/mman.h)
+AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l)
+AC_CHECK_HEADERS(unistd.h sys/mman.h xlocale.h)
 
 # Compiler flags
 AC_CANONICAL_HOST
diff --git a/src/hb-common.cc b/src/hb-common.cc
index 0483816d3..8e8e55653 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -32,6 +32,9 @@
 #include "hb-object-private.hh"
 
 #include <locale.h>
+#ifdef HAVE_XLOCALE_H
+#include <xlocale.h>
+#endif
 
 
 /* hb_options_t */
@@ -246,8 +249,8 @@ struct hb_language_item_t {
 static hb_language_item_t *langs;
 
 #ifdef HB_USE_ATEXIT
-static
-void free_langs (void)
+static void
+free_langs (void)
 {
   while (langs) {
     hb_language_item_t *next = langs->next;
@@ -694,6 +697,48 @@ parse_uint32 (const char **pp, const char *end, uint32_t *pv)
   return true;
 }
 
+#if defined (HAVE_NEWLOCALE) && defined (HAVE_STRTOD_L)
+#define USE_XLOCALE 1
+#endif
+
+#ifdef USE_XLOCALE
+
+static locale_t C_locale;
+
+#ifdef HB_USE_ATEXIT
+static void
+free_C_locale (void)
+{
+  if (C_locale)
+    freelocale (C_locale);
+}
+#endif
+
+static locale_t
+get_C_locale (void)
+{
+retry:
+  locale_t C = (locale_t) hb_atomic_ptr_get (&C_locale);
+
+  if (unlikely (!C))
+  {
+    C = newlocale (LC_ALL_MASK, "C", NULL);
+
+    if (!hb_atomic_ptr_cmpexch (&C_locale, NULL, C))
+    {
+      freelocale (C_locale);
+      goto retry;
+    }
+
+#ifdef HB_USE_ATEXIT
+    atexit (free_C_locale); /* First person registers atexit() callback. */
+#endif
+  }
+
+  return C;
+}
+#endif
+
 static bool
 parse_float (const char **pp, const char *end, float *pv)
 {
@@ -707,7 +752,11 @@ parse_float (const char **pp, const char *end, float *pv)
   float v;
 
   errno = 0;
+#ifdef USE_XLOCALE
+  v = strtod_l (p, &pend, get_C_locale ());
+#else
   v = strtod (p, &pend);
+#endif
   if (errno || p == pend)
     return false;
 

From 66128d3cfb12705530141b5a4bd2706f0cbb9fc5 Mon Sep 17 00:00:00 2001
From: mhosken <mhosken@users.noreply.github.com>
Date: Wed, 27 Sep 2017 01:29:45 +0700
Subject: [PATCH 0391/1326] Fix missing xscale in rtl graphite unpacking (#541)

* Fix missing xscale in rtl graphite unpacking

* Oops didn't need to mess with yscale
---
 src/hb-graphite2.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 9e0761e63..bc247c60c 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -389,7 +389,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   }
   else
   {
-    curradvx = gr_seg_advance_X(seg);
+    curradvx = gr_seg_advance_X(seg) * xscale;
     for (is = gr_seg_first_slot (seg); is; pPos++, info++, is = gr_slot_next_in_segment (is))
     {
       if (info->cluster != currclus)

From 933a81d74fee0d5856fc7b15b58a16e0e0168e48 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Sun, 1 Oct 2017 19:35:24 +0330
Subject: [PATCH 0392/1326] Add release checklist (#529)

---
 RELEASING.md | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 RELEASING.md

diff --git a/RELEASING.md b/RELEASING.md
new file mode 100644
index 000000000..34f64988f
--- /dev/null
+++ b/RELEASING.md
@@ -0,0 +1,96 @@
+HarfBuzz release walk-through checklist:
+
+1. Open gitk and review changes since last release.
+   * `git diff $(git describe | sed 's/-.*//').. src/*.h` prints all public API changes.
+
+     Document them in NEWS,  All API and API semantic changes should be clearly
+     marked as API additions, API changes, or API deletions.
+     If there's a backward-incompatible API change (including deletions for API used anywhere),
+     that's a release blocker.  Do NOT release.  Document deprecations.
+2. Based on severity of changes, decide whether it's a minor or micro release number bump,
+3. Make sure you have correct date and new version at the top of NEWS file,
+4. Bump version in configure.ac line 3,
+5. Do "make distcheck", if it passes, you get a tarball.
+   Otherwise, fix things and commit them separately before making release,
+6. "make release-files". Enter your GPG password again.  This creates a sha256 hash and signs it.
+7. Now that you have a tarball built, commit NEWS and configure.ac changes.  The commit message
+   is simply the release number.  Eg. "1.4.7"
+8. Tag the release and sign it: Eg. "git tag -s 1.4.7 -m 1.4.7".  Enter your GPG password.
+9. Build win32 bundle.
+   1. Put contents of [this](https://drive.google.com/open?id=0B3_fQkxDZZXXbWltRGd5bjVrUDQ) on your `~/.local/i686-w64-mingw32`
+   2. Run `./MING32 --with-uniscribe` script (available below) to config harfbuzz with mingw
+   3. make
+   4. `./UPDATE.sh` (available below)
+10. Copy all artefacts to users.freedesktop.org and move them into `/srv/www.freedesktop.org/www/software/harfbuzz/release`
+    There should be four files.  Eg.:
+ ```
+-rw-r--r--  1 behdad eng 1592693 Jul 18 11:25 harfbuzz-1.4.7.tar.bz2
+-rw-r--r--  1 behdad eng      89 Jul 18 11:34 harfbuzz-1.4.7.tar.bz2.sha256
+-rw-r--r--  1 behdad eng     339 Jul 18 11:34 harfbuzz-1.4.7.tar.bz2.sha256.asc
+-rw-r--r--  1 behdad eng 2895619 Jul 18 11:34 harfbuzz-1.4.7-win32.zip
+```
+11. While doing that, quickly double-check the size of the .tar.bz2 and .zip files against their previous releases to make sure nothing bad happened.  They should be in the ballpark, perhaps slightly larger.  Sometimes they do shrink, that's not by itself a stopper.
+12. Push the commit and tag out: "git push --follow-tags".  Make sure it's pushed both to freedesktop repo and github.
+13. Upload artefacts and NEWS entry on the github release.
+
+
+## MING32
+```bash
+#!/bin/bash
+
+target=i686-w64-mingw32
+
+unset CC
+unset CXX
+unset CPP
+unset LD
+unset LDFLAGS
+unset CFLAGS
+unset CXXFLAGS
+unset PKG_CONFIG_PATH
+
+# Removed -static from the following
+export CFLAGS="-static-libgcc"
+export CXXFLAGS="-static-libgcc -static-libstdc++"
+export CPPFLAGS=-I$HOME/.local/$target/include
+export LDFLAGS=-L$HOME/.local/$target/lib
+export PKG_CONFIG_LIBDIR=$HOME/.local/$target/lib/pkgconfig
+export PATH=$HOME/.local/$target/bin:$PATH
+
+../configure --build=`~/script/config.guess` --host=$target --prefix=/home/behdad/.local/$target "$@"
+```
+
+## UPDATE.sh
+```bash
+#!/bin/bash
+
+v=$1
+
+if test "x$v" = x; then
+	echo "usage: UPDATE.sh micro-version"
+	exit 1
+fi
+
+dir_prefix=harfbuzz-1.4.
+dir_suffix=-win32
+dir=$dir_prefix$v$dir_suffix
+dir_old=$dir_prefix$((v-1))$dir_suffix
+if test -d "$dir"; then
+	echo "New dir $dir exists; not overwriting"
+	exit 1
+fi
+if ! test -d "$dir_old"; then
+	echo "Old dir $dir_old does NOT exist; aborting"
+	exit 1
+fi
+set -ex
+cp -a "$dir_old" "$dir.tmp"
+rm -f "$dir.tmp"/GDX32.dll
+rm -f "$dir.tmp"/usp10.dll
+cp ../winbuild/src/.libs/libharfbuzz-0.dll{,.def} $dir.tmp/
+cp ../winbuild/util/.libs/hb-{shape,view}.exe $dir.tmp/
+i686-w64-mingw32-strip $dir.tmp/{hb-shape.exe,hb-view.exe,libharfbuzz-0.dll}
+mv $dir.tmp $dir
+zip -r $dir.zip $dir
+echo Bundle $dir.zip ready
+```

From db446cce4ef4cd1a4f1652e3aa3e5e5ed1881d39 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 1 Oct 2017 12:06:00 -0400
Subject: [PATCH 0393/1326] Add RELEASING.md to dist

---
 Makefile.am | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile.am b/Makefile.am
index 1d8f2e7c7..1755b73b6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,6 +11,7 @@ EXTRA_DIST = \
 	harfbuzz.doap \
 	README.python \
 	BUILD.md \
+	RELEASING.md \
 	CMakeLists.txt \
 	$(NULL)
 

From 19e77e01bc13f44138e1d50533327d314dd0a018 Mon Sep 17 00:00:00 2001
From: jfkthame <jfkthame@gmail.com>
Date: Mon, 2 Oct 2017 13:08:49 +0100
Subject: [PATCH 0394/1326] [shape-plan] Don't look for a cached plan if
 variation coords are specified. Fixes #549. (#550)

This is a temporary hack just to avoid incorrect shaping results, pending proper support
for caching shape-plans with variation coordinates.
---
 src/hb-shape-plan.cc | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index 3abf555c5..5573cd224 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -520,15 +520,17 @@ hb_shape_plan_create_cached2 (hb_face_t                     *face,
 
 retry:
   hb_face_t::plan_node_t *cached_plan_nodes = (hb_face_t::plan_node_t *) hb_atomic_ptr_get (&face->shape_plans);
-  for (hb_face_t::plan_node_t *node = cached_plan_nodes; node; node = node->next)
-    if (hb_shape_plan_matches (node->shape_plan, &proposal))
-    {
-      DEBUG_MSG_FUNC (SHAPE_PLAN, node->shape_plan, "fulfilled from cache");
-      return hb_shape_plan_reference (node->shape_plan);
-    }
+
+  /* Don't look for plan in the cache if there were variation coordinates XXX Fix me. */
+  if (!hb_coords_present (coords, num_coords))
+    for (hb_face_t::plan_node_t *node = cached_plan_nodes; node; node = node->next)
+      if (hb_shape_plan_matches (node->shape_plan, &proposal))
+      {
+        DEBUG_MSG_FUNC (SHAPE_PLAN, node->shape_plan, "fulfilled from cache");
+        return hb_shape_plan_reference (node->shape_plan);
+      }
 
   /* Not found. */
-
   hb_shape_plan_t *shape_plan = hb_shape_plan_create2 (face, props,
 						       user_features, num_user_features,
 						       coords, num_coords,

From 1a0a356a0f2b2932581e4fd0437c01c058f4f6d1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 08:49:23 -0400
Subject: [PATCH 0395/1326] [indic] Categorize U+0980 BENGALI ANJI as
 placeholder

Fixes https://github.com/behdad/harfbuzz/issues/538
---
 src/hb-ot-shape-complex-indic.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 3cd8fd6c3..5acaadb5b 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -209,6 +209,7 @@ set_indic_properties (hb_glyph_info_t &info)
     pos = POS_ABOVE_C;
   }
 
+  else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/behdad/harfbuzz/issues/538 */
   else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
 				    cat = OT_PLACEHOLDER;

From da4866f7177a4e2836cc70b844e2e64ab671761f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 08:57:06 -0400
Subject: [PATCH 0396/1326] [arabic] Update table to Unicode 10 data

---
 src/hb-ot-shape-complex-arabic-table.hh | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/hb-ot-shape-complex-arabic-table.hh b/src/hb-ot-shape-complex-arabic-table.hh
index 228f36659..cd6e4058b 100644
--- a/src/hb-ot-shape-complex-arabic-table.hh
+++ b/src/hb-ot-shape-complex-arabic-table.hh
@@ -6,10 +6,10 @@
  *
  * on files with these headers:
  *
- * # ArabicShaping-9.0.0.txt
- * # Date: 2016-02-24, 22:25:00 GMT [RP]
- * # Blocks-9.0.0.txt
- * # Date: 2016-02-05, 23:48:00 GMT [KW]
+ * # ArabicShaping-10.0.0.txt
+ * # Date: 2017-02-16, 00:00:00 GMT [RP, KW]
+ * # Blocks-10.0.0.txt
+ * # Date: 2017-04-12, 17:30:00 GMT [KW]
  * UnicodeData.txt does not have a header.
  */
 
@@ -72,7 +72,10 @@ static const uint8_t joining_table[] =
   /* Mandaic */
 
   /* 0840 */ R,D,D,D,D,D,R,R,D,R,D,D,D,D,D,D,D,D,D,D,R,D,U,U,U,X,X,X,X,X,X,X,
-  /* 0860 */ X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,
+
+  /* Syriac Supplement */
+
+  /* 0860 */ D,U,D,D,D,D,U,R,D,R,R,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,
   /* 0880 */ X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,
 
   /* Arabic Extended-A */
@@ -130,7 +133,7 @@ static const uint8_t joining_table[] =
   /* 1E920 */ D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,D,
   /* 1E940 */ D,D,D,D,
 
-}; /* Table items: 1214; occupancy: 54% */
+}; /* Table items: 1214; occupancy: 55% */
 
 
 static unsigned int

From 819cc360499a5f136325b5a1a18098ebc2aee081 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 09:03:16 -0400
Subject: [PATCH 0397/1326] [indic] Move manual code out of generated table

---
 src/hb-ot-shape-complex-indic-table.cc | 7 -------
 src/hb-ot-shape-complex-indic.cc       | 5 +++++
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-table.cc b/src/hb-ot-shape-complex-indic-table.cc
index 3bf5285e6..f0f4dc3be 100644
--- a/src/hb-ot-shape-complex-indic-table.cc
+++ b/src/hb-ot-shape-complex-indic-table.cc
@@ -422,13 +422,6 @@ hb_indic_get_categories (hb_codepoint_t u)
       if (hb_in_range<hb_codepoint_t> (u, 0xAA60u, 0xAA7Fu)) return indic_table[u - 0xAA60u + indic_offset_0xaa60u];
       break;
 
-    case 0x11u:
-      // According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
-      // so the Indic shaper needs to know their categories.
-      if (unlikely (u == 0x11303)) return _(Vs,R);
-      if (unlikely (u == 0x1133c)) return _(N,B);
-      break;
-
     default:
       break;
   }
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 5acaadb5b..c8640cc56 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -209,6 +209,11 @@ set_indic_properties (hb_glyph_info_t &info)
     pos = POS_ABOVE_C;
   }
 
+  /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
+   * so the Indic shaper needs to know their categories. */
+  else if (unlikely (u == 0x11303u)) cat = OT_SM;
+  else if (unlikely (u == 0x1133cu)) cat = OT_N;
+
   else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/behdad/harfbuzz/issues/538 */
   else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))

From cc79b666bc4a81a0342ed1e706dd7db109739dc5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 09:19:15 -0400
Subject: [PATCH 0398/1326] [indic] Add test for
 1a0a356a0f2b2932581e4fd0437c01c058f4f6d1

https://github.com/behdad/harfbuzz/issues/538
---
 .../87f85d17d26f1fe9ad28d7365101958edaefb967.ttf | Bin 0 -> 1000 bytes
 test/shaping/tests/indic-syllable.tests          |   1 +
 2 files changed, 1 insertion(+)
 create mode 100644 test/shaping/fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf

diff --git a/test/shaping/fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf b/test/shaping/fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..89b62575383a2e9b52351c12e510524dc0b027c3
GIT binary patch
literal 1000
zcmZvbO-vI(6oB8%{&W|%+tQX@NTIC!w1`1NDXm0I1&bJCph`5x5MldcTSH5Q5+O0B
zXuNnZ9!xxV@oqfm$pj8^Lk}hzE_(1_@TB2Dzz`3uZ(77ioXyPa_uiZLGjA6N0H{y|
z4yHyT!)L$&JOK9$r41v|v2kbw1^G3yePsO7(A)PP@C3JpY>bT`^G{y8`U`*-kf-8V
zGY^Wqj*JrmDRV9l7JPtvjI5-l7q83f+b{6_2hQDe(oF1J==*~97z2W76o{wDE95A0
zdpcWK5IV~bkR!;-^i14@DBMQI96`#O3wh9p0YEm8jhvZH@^<A3#*>iG=4a*#_t)>-
zLuUR4fk2>KCZA{{^Z+<4qOR#$C>RR*ycW?S`n*0bBVB7IsL-`AL5+=wZQhe4fHt>U
zjULaTW_OF->U7px?W)z~GPH(hm(fM6vR$!xb&=P6JkR$Y9irCD(f)QxvZ`)}Vs+M8
zL{4bv2n~qb;Xr)DXID7NNrJA45>f15Zw{Tnl4xm*hQUuau_JEGy4C9oc}TB67}8bJ
z*4OIo3j}-pTD?nb%Y`R|PD`Y_J7Vb+Cc<@kqr;}@bu>KMFB}OS?-Ke)Gfvf})vIbf
z){V~KC3Z54-DUK5&^>1N$~3eH-&fDMCv5{e(85)0R~NrMX9qrZJiJ?SmzMb$-9?mu
zGAX(?AVDPv0F<_v54u}ghBf{Q+CJrD2ja0zc=DM%0s$>oD0Uatsyo>RKd`T<R;>8N
z<=<Rk@bs_&Z{(u9L^n&DED{+$U}XS1%rfI}x^QJaTv)e(J729|UMiOX<YKw}b7?;Y
z1rM|4Wt23bZS|dEFPh*y%s?74P(Uw(Fo%zccbUXJ2^VpuU>>GXHv8vJO7Ae{{|077
zDB&bCcOw%^=2Et}nM=%?u}m&8&$xPqvfITRtJ$-^gAG;*laM`m4R%zmXsWsz%+v$4
N;zo_-QvQ7{{01@$n@#`#

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index ecaad906b..df3d7d825 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -1,3 +1,4 @@
 fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3:[taprehalftamil=0+1509|uni00B3=2+674]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]
+fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf::U+0980,U+0981:[anjibeng=0+520|candrabindubeng=0+0]

From bdbe974f525d33b8c735fb5d7fd76c236c4dd0ea Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 10:00:31 -0400
Subject: [PATCH 0399/1326] [indic] Update table to Unicode 10

---
 src/hb-ot-shape-complex-indic-table.cc | 70 +++++++++++++-------------
 1 file changed, 36 insertions(+), 34 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-table.cc b/src/hb-ot-shape-complex-indic-table.cc
index f0f4dc3be..bfd1c6d34 100644
--- a/src/hb-ot-shape-complex-indic-table.cc
+++ b/src/hb-ot-shape-complex-indic-table.cc
@@ -6,61 +6,62 @@
  *
  * on files with these headers:
  *
- * # IndicSyllabicCategory-9.0.0.txt
- * # Date: 2016-05-21, 02:46:00 GMT [RP]
- * # IndicPositionalCategory-9.0.0.txt
- * # Date: 2016-02-25, 00:48:00 GMT [RP]
- * # Blocks-9.0.0.txt
- * # Date: 2016-02-05, 23:48:00 GMT [KW]
+ * # IndicSyllabicCategory-10.0.0.txt
+ * # Date: 2017-05-31, 01:07:00 GMT [KW, RP]
+ * # IndicPositionalCategory-10.0.0.txt
+ * # Date: 2017-05-31, 01:07:00 GMT [RP]
+ * # Blocks-10.0.0.txt
+ * # Date: 2017-04-12, 17:30:00 GMT [KW]
  */
 
 #include "hb-ot-shape-complex-indic-private.hh"
 
 
 #define ISC_A	INDIC_SYLLABIC_CATEGORY_AVAGRAHA		/*  15 chars; Avagraha */
-#define ISC_Bi	INDIC_SYLLABIC_CATEGORY_BINDU			/*  67 chars; Bindu */
+#define ISC_Bi	INDIC_SYLLABIC_CATEGORY_BINDU			/*  80 chars; Bindu */
 #define ISC_BJN	INDIC_SYLLABIC_CATEGORY_BRAHMI_JOINING_NUMBER	/*  20 chars; Brahmi_Joining_Number */
-#define ISC_Ca	INDIC_SYLLABIC_CATEGORY_CANTILLATION_MARK	/*  53 chars; Cantillation_Mark */
-#define ISC_C	INDIC_SYLLABIC_CATEGORY_CONSONANT		/* 1907 chars; Consonant */
+#define ISC_Ca	INDIC_SYLLABIC_CATEGORY_CANTILLATION_MARK	/*  57 chars; Cantillation_Mark */
+#define ISC_C	INDIC_SYLLABIC_CATEGORY_CONSONANT		/* 2024 chars; Consonant */
 #define ISC_CD	INDIC_SYLLABIC_CATEGORY_CONSONANT_DEAD		/*  10 chars; Consonant_Dead */
-#define ISC_CF	INDIC_SYLLABIC_CATEGORY_CONSONANT_FINAL		/*  62 chars; Consonant_Final */
+#define ISC_CF	INDIC_SYLLABIC_CATEGORY_CONSONANT_FINAL		/*  68 chars; Consonant_Final */
 #define ISC_CHL	INDIC_SYLLABIC_CATEGORY_CONSONANT_HEAD_LETTER	/*   5 chars; Consonant_Head_Letter */
 #define ISC_CK	INDIC_SYLLABIC_CATEGORY_CONSONANT_KILLER	/*   2 chars; Consonant_Killer */
-#define ISC_CM	INDIC_SYLLABIC_CATEGORY_CONSONANT_MEDIAL	/*  22 chars; Consonant_Medial */
-#define ISC_CP	INDIC_SYLLABIC_CATEGORY_CONSONANT_PLACEHOLDER	/*  16 chars; Consonant_Placeholder */
-#define ISC_CPR	INDIC_SYLLABIC_CATEGORY_CONSONANT_PRECEDING_REPHA	/*   1 chars; Consonant_Preceding_Repha */
-#define ISC_CPrf	INDIC_SYLLABIC_CATEGORY_CONSONANT_PREFIXED	/*   2 chars; Consonant_Prefixed */
-#define ISC_CS	INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED	/*  90 chars; Consonant_Subjoined */
-#define ISC_CSR	INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA	/*   4 chars; Consonant_Succeeding_Repha */
+#define ISC_CM	INDIC_SYLLABIC_CATEGORY_CONSONANT_MEDIAL	/*  27 chars; Consonant_Medial */
+#define ISC_CP	INDIC_SYLLABIC_CATEGORY_CONSONANT_PLACEHOLDER	/*  18 chars; Consonant_Placeholder */
+#define ISC_CPR	INDIC_SYLLABIC_CATEGORY_CONSONANT_PRECEDING_REPHA	/*   2 chars; Consonant_Preceding_Repha */
+#define ISC_CPrf	INDIC_SYLLABIC_CATEGORY_CONSONANT_PREFIXED	/*   7 chars; Consonant_Prefixed */
+#define ISC_CS	INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED	/*  95 chars; Consonant_Subjoined */
+#define ISC_CSR	INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA	/*   5 chars; Consonant_Succeeding_Repha */
 #define ISC_CWS	INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER	/*   4 chars; Consonant_With_Stacker */
-#define ISC_GM	INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		/*   2 chars; Gemination_Mark */
-#define ISC_IS	INDIC_SYLLABIC_CATEGORY_INVISIBLE_STACKER	/*   7 chars; Invisible_Stacker */
+#define ISC_GM	INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		/*   3 chars; Gemination_Mark */
+#define ISC_IS	INDIC_SYLLABIC_CATEGORY_INVISIBLE_STACKER	/*  10 chars; Invisible_Stacker */
 #define ISC_ZWJ	INDIC_SYLLABIC_CATEGORY_JOINER			/*   1 chars; Joiner */
 #define ISC_ML	INDIC_SYLLABIC_CATEGORY_MODIFYING_LETTER	/*   1 chars; Modifying_Letter */
 #define ISC_ZWNJ	INDIC_SYLLABIC_CATEGORY_NON_JOINER		/*   1 chars; Non_Joiner */
-#define ISC_N	INDIC_SYLLABIC_CATEGORY_NUKTA			/*  24 chars; Nukta */
-#define ISC_Nd	INDIC_SYLLABIC_CATEGORY_NUMBER			/* 459 chars; Number */
+#define ISC_N	INDIC_SYLLABIC_CATEGORY_NUKTA			/*  28 chars; Nukta */
+#define ISC_Nd	INDIC_SYLLABIC_CATEGORY_NUMBER			/* 469 chars; Number */
 #define ISC_NJ	INDIC_SYLLABIC_CATEGORY_NUMBER_JOINER		/*   1 chars; Number_Joiner */
 #define ISC_x	INDIC_SYLLABIC_CATEGORY_OTHER			/*   1 chars; Other */
-#define ISC_PK	INDIC_SYLLABIC_CATEGORY_PURE_KILLER		/*  16 chars; Pure_Killer */
+#define ISC_PK	INDIC_SYLLABIC_CATEGORY_PURE_KILLER		/*  21 chars; Pure_Killer */
 #define ISC_RS	INDIC_SYLLABIC_CATEGORY_REGISTER_SHIFTER	/*   2 chars; Register_Shifter */
 #define ISC_SM	INDIC_SYLLABIC_CATEGORY_SYLLABLE_MODIFIER	/*  22 chars; Syllable_Modifier */
 #define ISC_TL	INDIC_SYLLABIC_CATEGORY_TONE_LETTER		/*   7 chars; Tone_Letter */
 #define ISC_TM	INDIC_SYLLABIC_CATEGORY_TONE_MARK		/*  42 chars; Tone_Mark */
 #define ISC_V	INDIC_SYLLABIC_CATEGORY_VIRAMA			/*  24 chars; Virama */
-#define ISC_Vs	INDIC_SYLLABIC_CATEGORY_VISARGA			/*  31 chars; Visarga */
+#define ISC_Vs	INDIC_SYLLABIC_CATEGORY_VISARGA			/*  34 chars; Visarga */
 #define ISC_Vo	INDIC_SYLLABIC_CATEGORY_VOWEL			/*  30 chars; Vowel */
-#define ISC_M	INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT		/* 602 chars; Vowel_Dependent */
-#define ISC_VI	INDIC_SYLLABIC_CATEGORY_VOWEL_INDEPENDENT	/* 431 chars; Vowel_Independent */
+#define ISC_M	INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT		/* 633 chars; Vowel_Dependent */
+#define ISC_VI	INDIC_SYLLABIC_CATEGORY_VOWEL_INDEPENDENT	/* 443 chars; Vowel_Independent */
 
-#define IMC_B	INDIC_MATRA_CATEGORY_BOTTOM			/* 300 chars; Bottom */
+#define IMC_B	INDIC_MATRA_CATEGORY_BOTTOM			/* 330 chars; Bottom */
+#define IMC_BL	INDIC_MATRA_CATEGORY_BOTTOM_AND_LEFT		/*   1 chars; Bottom_And_Left */
 #define IMC_BR	INDIC_MATRA_CATEGORY_BOTTOM_AND_RIGHT		/*   2 chars; Bottom_And_Right */
 #define IMC_L	INDIC_MATRA_CATEGORY_LEFT			/*  57 chars; Left */
 #define IMC_LR	INDIC_MATRA_CATEGORY_LEFT_AND_RIGHT		/*  21 chars; Left_And_Right */
 #define IMC_x	INDIC_MATRA_CATEGORY_NOT_APPLICABLE		/*   1 chars; Not_Applicable */
 #define IMC_O	INDIC_MATRA_CATEGORY_OVERSTRUCK			/*  10 chars; Overstruck */
-#define IMC_R	INDIC_MATRA_CATEGORY_RIGHT			/* 258 chars; Right */
-#define IMC_T	INDIC_MATRA_CATEGORY_TOP			/* 342 chars; Top */
+#define IMC_R	INDIC_MATRA_CATEGORY_RIGHT			/* 262 chars; Right */
+#define IMC_T	INDIC_MATRA_CATEGORY_TOP			/* 380 chars; Top */
 #define IMC_TB	INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM		/*  10 chars; Top_And_Bottom */
 #define IMC_TBR	INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_RIGHT	/*   1 chars; Top_And_Bottom_And_Right */
 #define IMC_TL	INDIC_MATRA_CATEGORY_TOP_AND_LEFT		/*   6 chars; Top_And_Left */
@@ -133,7 +134,7 @@ static const INDIC_TABLE_ELEMENT_TYPE indic_table[] = {
   /* 09E0 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
   /* 09E8 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
   /* 09F0 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 09F8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
+  /* 09F8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(Bi,x),  _(x,x),  _(x,x),  _(x,x),
 
   /* Gurmukhi */
 
@@ -171,7 +172,7 @@ static const INDIC_TABLE_ELEMENT_TYPE indic_table[] = {
   /* 0AE0 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
   /* 0AE8 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
   /* 0AF0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0AF8 */  _(x,x),  _(C,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
+  /* 0AF8 */  _(x,x),  _(C,x), _(Ca,T), _(Ca,T), _(Ca,T),  _(N,T),  _(N,T),  _(N,T),
 
   /* Oriya */
 
@@ -251,14 +252,14 @@ static const INDIC_TABLE_ELEMENT_TYPE indic_table[] = {
 
   /* Malayalam */
 
-  /* 0D00 */  _(x,x), _(Bi,T), _(Bi,R), _(Vs,R),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
+  /* 0D00 */ _(Bi,T), _(Bi,T), _(Bi,R), _(Vs,R),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
   /* 0D08 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x), _(VI,x), _(VI,x),
   /* 0D10 */ _(VI,x),  _(x,x), _(VI,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
   /* 0D18 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
   /* 0D20 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
   /* 0D28 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
   /* 0D30 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0D38 */  _(C,x),  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(A,x),  _(M,R),  _(M,R),
+  /* 0D38 */  _(C,x),  _(C,x),  _(C,x), _(PK,T), _(PK,T),  _(A,x),  _(M,R),  _(M,R),
   /* 0D40 */  _(M,R),  _(M,R),  _(M,R),  _(M,B),  _(M,B),  _(x,x),  _(M,L),  _(M,L),
   /* 0D48 */  _(M,L),  _(x,x), _(M,LR), _(M,LR), _(M,LR),  _(V,T),_(CPR,x),  _(x,x),
   /* 0D50 */  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(CD,x), _(CD,x), _(CD,x),  _(M,R),
@@ -341,7 +342,7 @@ static const INDIC_TABLE_ELEMENT_TYPE indic_table[] = {
   /* 1CD8 */ _(Ca,B), _(Ca,B), _(Ca,T), _(Ca,T), _(Ca,B), _(Ca,B), _(Ca,B), _(Ca,B),
   /* 1CE0 */ _(Ca,T), _(Ca,R),  _(x,O),  _(x,O),  _(x,O),  _(x,O),  _(x,O),  _(x,O),
   /* 1CE8 */  _(x,O),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,B),  _(x,x),  _(x,x),
-  /* 1CF0 */  _(x,x),  _(x,x), _(Vs,x), _(Vs,x), _(Ca,T),  _(x,x),  _(x,x),  _(x,x),
+  /* 1CF0 */  _(x,x),  _(x,x), _(Vs,x), _(Vs,x), _(Ca,T),  _(x,x),  _(x,x), _(Ca,R),
   /* 1CF8 */ _(Ca,x), _(Ca,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
 
 #define indic_offset_0x2008u 1656
@@ -368,7 +369,7 @@ static const INDIC_TABLE_ELEMENT_TYPE indic_table[] = {
 
   /* A8E0 */ _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T),
   /* A8E8 */ _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T),
-  /* A8F0 */ _(Ca,T), _(Ca,T),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
+  /* A8F0 */ _(Ca,T), _(Ca,T), _(Bi,x), _(Bi,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
 
 #define indic_offset_0xa9e0u 1720
 
@@ -390,7 +391,7 @@ static const INDIC_TABLE_ELEMENT_TYPE indic_table[] = {
   /* AA70 */  _(x,x),  _(C,x),  _(C,x),  _(C,x), _(CP,x), _(CP,x), _(CP,x),  _(x,x),
   /* AA78 */  _(x,x),  _(x,x),  _(C,x), _(TM,R), _(TM,T), _(TM,R),  _(C,x),  _(C,x),
 
-}; /* Table items: 1784; occupancy: 69% */
+}; /* Table items: 1784; occupancy: 70% */
 
 INDIC_TABLE_ELEMENT_TYPE
 hb_indic_get_categories (hb_codepoint_t u)
@@ -467,6 +468,7 @@ hb_indic_get_categories (hb_codepoint_t u)
 #undef ISC_VI
 
 #undef IMC_B
+#undef IMC_BL
 #undef IMC_BR
 #undef IMC_L
 #undef IMC_LR

From 1535f8c67216e8559fa48691fe6d9c2726c08973 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 16:12:18 +0200
Subject: [PATCH 0400/1326] Add Unicode 10 scripts

---
 src/hb-common.h                    | 8 ++++++++
 src/hb-ot-shape-complex-private.hh | 5 +++++
 2 files changed, 13 insertions(+)

diff --git a/src/hb-common.h b/src/hb-common.h
index 634cb96a6..8614ee3fe 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -321,6 +321,14 @@ typedef enum
   /*9.0*/ HB_SCRIPT_TANGUT			= HB_TAG ('T','a','n','g'),
   /*9.0*/ HB_SCRIPT_NEWA			= HB_TAG ('N','e','w','a'),
 
+  /*
+   * Since 1.6.0
+   */
+  /*10.0*/HB_SCRIPT_MASARAM_GONDI		= HB_TAG ('G','o','n','m'),
+  /*10.0*/HB_SCRIPT_NUSHU			= HB_TAG ('N','s','h','u'),
+  /*10.0*/HB_SCRIPT_SOYOMBO			= HB_TAG ('S','o','y','o'),
+  /*10.0*/HB_SCRIPT_ZANABAZAR_SQUARE		= HB_TAG ('Z','a','n','b'),
+
   /* No script set. */
   HB_SCRIPT_INVALID				= HB_TAG_NONE,
 
diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index 952441b6a..20ad6b2c7 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -362,6 +362,11 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
     case HB_SCRIPT_MARCHEN:
     case HB_SCRIPT_NEWA:
 
+    /* Unicode-10.0 additions */
+    case HB_SCRIPT_MASARAM_GONDI:
+    case HB_SCRIPT_SOYOMBO:
+    case HB_SCRIPT_ZANABAZAR_SQUARE:
+
       /* If the designer designed the font for the 'DFLT' script,
        * use the default shaper.  Otherwise, use the specific shaper.
        * Note that for some simple scripts, there may not be *any*

From 29c244aff6e3c359796bb033496c14ad5537dbe0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 16:36:21 +0200
Subject: [PATCH 0401/1326] Minor

---
 src/gen-use-table.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index fcb66a580..2b36495c2 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -298,8 +298,7 @@ def map_to_use(data):
 		# the nasalization marks, maybe only for U+1CE9..U+1CF1.
 		if U == 0x1CED: UISC = Tone_Mark
 
-		evals = [(k, v(U,UISC,UGC)) for k,v in items]
-		values = [k for k,v in evals if v]
+		values = [k for k,v in items if v(U,UISC,UGC)]
 		assert len(values) == 1, "%s %s %s %s" % (hex(U), UISC, UGC, values)
 		USE = values[0]
 

From ea535a1dfa63f82280607273cd282a6134c334da Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 17:02:39 +0200
Subject: [PATCH 0402/1326] [use] Update to Unicode 10

---
 src/gen-use-table.py                 |  5 +-
 src/hb-ot-shape-complex-use-table.cc | 69 ++++++++++++++++++++--------
 2 files changed, 54 insertions(+), 20 deletions(-)

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index 2b36495c2..b283c5219 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -117,6 +117,7 @@ property_names = [
 	'Top_And_Right',
 	'Top_And_Left',
 	'Top_And_Left_And_Right',
+	'Bottom_And_Left',
 	'Bottom_And_Right',
 	'Top_And_Bottom_And_Right',
 	'Overstruck',
@@ -153,7 +154,7 @@ def is_BASE(U, UISC, UGC):
 def is_BASE_IND(U, UISC, UGC):
 	#SPEC-DRAFT return (UISC in [Consonant_Dead, Modifying_Letter] or UGC == Po)
 	return (UISC in [Consonant_Dead, Modifying_Letter] or
-		(UGC == Po and not U in [0x104E, 0x2022]) or
+		(UGC == Po and not U in [0x104E, 0x2022, 0x11A3F, 0x11A45]) or
 		False # SPEC-DRAFT-OUTDATED! U == 0x002D
 		)
 def is_BASE_NUM(U, UISC, UGC):
@@ -252,7 +253,7 @@ use_positions = {
 	},
 	'M': {
 		'Abv': [Top],
-		'Blw': [Bottom],
+		'Blw': [Bottom, Bottom_And_Left],
 		'Pst': [Right],
 		'Pre': [Left],
 	},
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index 941a003aa..f924ac05b 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -6,12 +6,12 @@
  *
  * on files with these headers:
  *
- * # IndicSyllabicCategory-9.0.0.txt
- * # Date: 2016-05-21, 02:46:00 GMT [RP]
- * # IndicPositionalCategory-9.0.0.txt
- * # Date: 2016-06-09, 19:33:00 GMT [RP]
- * # Blocks-9.0.0.txt
- * # Date: 2016-02-05, 23:48:00 GMT [KW]
+ * # IndicSyllabicCategory-10.0.0.txt
+ * # Date: 2017-05-31, 01:07:00 GMT [KW, RP]
+ * # IndicPositionalCategory-10.0.0.txt
+ * # Date: 2017-05-31, 01:07:00 GMT [RP]
+ * # Blocks-10.0.0.txt
+ * # Date: 2017-04-12, 17:30:00 GMT [KW]
  * UnicodeData.txt does not have a header.
  */
 
@@ -97,7 +97,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 09C0 */  VPst,  VBlw,  VBlw,  VBlw,  VBlw,     O,     O,  VPre,  VPre,     O,     O,  VPre,  VPre,     H,   IND,     O,
   /* 09D0 */     O,     O,     O,     O,     O,     O,     O,  VPst,     O,     O,     O,     O,     B,     B,     O,     B,
   /* 09E0 */     B,     B,  VBlw,  VBlw,     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 09F0 */     B,     B,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
+  /* 09F0 */     B,     B,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     B,     O,     O,     O,
 
   /* Gurmukhi */
 
@@ -119,7 +119,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 0AC0 */  VPst,  VBlw,  VBlw,  VBlw,  VBlw,  VAbv,     O,  VAbv,  VAbv,  VAbv,     O,  VPst,  VPst,     H,     O,     O,
   /* 0AD0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 0AE0 */     B,     B,  VBlw,  VBlw,     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0AF0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     B,     O,     O,     O,     O,     O,     O,
+  /* 0AF0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     B, VMAbv, VMAbv, VMAbv, CMAbv, CMAbv, CMAbv,
 
   /* Oriya */
 
@@ -167,10 +167,10 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
 
   /* Malayalam */
 
-  /* 0D00 */     O, VMAbv, VMPst, VMPst,     O,     B,     B,     B,     B,     B,     B,     B,     B,     O,     B,     B,
+  /* 0D00 */ VMAbv, VMAbv, VMPst, VMPst,     O,     B,     B,     B,     B,     B,     B,     B,     B,     O,     B,     B,
   /* 0D10 */     B,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 0D20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0D30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     B,  VPst,  VPst,
+  /* 0D30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VAbv,  VAbv,     B,  VPst,  VPst,
   /* 0D40 */  VPst,  VPst,  VPst,  VBlw,  VBlw,     O,  VPre,  VPre,  VPre,     O,  VPre,  VPre,  VPre,     H,     R,     O,
   /* 0D50 */     O,     O,     O,     O,   IND,   IND,   IND,  VPst,     O,     O,     O,     O,     O,     O,     O,     B,
   /* 0D60 */     B,     B,  VBlw,  VBlw,     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
@@ -274,9 +274,9 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 1A20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 1A30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 1A40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1A50 */     B,     B,     B,     B,     B,  MPre,  MBlw,  FPst,  FAbv,  FAbv,  FAbv,  FBlw,  FBlw,  FBlw,  FBlw,     O,
+  /* 1A50 */     B,     B,     B,     B,     B,  MPre,  MBlw,   SUB,  FAbv,  FAbv,  FAbv,   SUB,   SUB,   SUB,   SUB,     O,
   /* 1A60 */     H,  VPst,  VAbv,  VPst,  VPst,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VBlw,  VAbv,  VBlw,  VPst,  VPre,  VPre,
-  /* 1A70 */  VPre,  VPre,  VPre,  VAbv,  VAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,    FM,    FM,    FM,     O,     O,    FM,
+  /* 1A70 */  VPre,  VPre,  VPre,  VAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,  VAbv,    FM,    FM,     O,     O,    FM,
   /* 1A80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
   /* 1A90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
@@ -323,7 +323,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
 
   /* 1CD0 */ VMAbv, VMAbv, VMAbv,     O, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMAbv, VMAbv, VMBlw, VMBlw, VMBlw, VMBlw,
   /* 1CE0 */ VMAbv, VMPst, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw,     O,     O,     O,     O, VMBlw,     O,     O,
-  /* 1CF0 */     O,     O, VMPst, VMPst, VMAbv,     O,     O,     O, VMAbv, VMAbv,     O,     O,     O,     O,     O,     O,
+  /* 1CF0 */     O,     O, VMPst, VMPst, VMAbv,     O,     O, VMPst, VMAbv, VMAbv,     O,     O,     O,     O,     O,     O,
 
 #define use_offset_0x1df8u 2552
 
@@ -376,7 +376,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* Devanagari Extended */
 
   /* A8E0 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,
-  /* A8F0 */ VMAbv, VMAbv,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
+  /* A8F0 */ VMAbv, VMAbv,     B,     B,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
 
   /* Kayah Li */
 
@@ -397,7 +397,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* A980 */ VMAbv, VMAbv,  FAbv, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* A990 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* A9A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A9B0 */     B,     B,     B, CMAbv,  VPst,  VPst,  VAbv,  VAbv,  VBlw,  VBlw,  VPre,  VPre,  VAbv,   SUB,  MPst,  MPst,
+  /* A9B0 */     B,     B,     B, CMAbv,  VPst,  VPst,  VAbv,  VAbv,  VBlw,  VBlw,  VPre,  VPre,  VAbv,   SUB,  MPst,  MBlw,
   /* A9C0 */     H,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* A9D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
@@ -545,7 +545,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11320 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     B,     B,     B,     B,     B,     B,
   /* 11330 */     B,     O,     B,     B,     O,     B,     B,     B,     B,     B,     O,     O, CMBlw,     B,  VPst,  VPst,
   /* 11340 */  VAbv,  VPst,  VPst,  VPst,  VPst,     O,     O,  VPre,  VPre,     O,     O,  VPre,  VPre,     H,     O,     O,
-  /* 11350 */     O,     O,     O,     O,     O,     O,     O,  VPst,     O,     O,     O,     O,     O,     O,     O,     O,
+  /* 11350 */     O,     O,     O,     O,     O,     O,     O,  VPst,     O,     O,     O,     O,     O,     O,     B,     B,
   /* 11360 */     B,     B,  VPst,  VPst,     O,     O, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,
   /* 11370 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,
 
@@ -615,7 +615,26 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11720 */  VPst,  VPst,  VAbv,  VAbv,  VBlw,  VBlw,  VPre,  VAbv,  VBlw,  VAbv,  VAbv,  VAbv,     O,     O,     O,     O,
   /* 11730 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,
 
-#define use_offset_0x11c00u 4960
+#define use_offset_0x11a00u 4960
+
+
+  /* Zanabazar Square */
+
+  /* 11A00 */     B,  VAbv,  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,     B,     B,     B,     B,     B,
+  /* 11A10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
+  /* 11A20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
+  /* 11A30 */     B,     B,     B,    FM,  VBlw, VMAbv, VMAbv, VMAbv, VMAbv, VMPst,     R,  MBlw,  MBlw,  MBlw,  MBlw,    GB,
+  /* 11A40 */     O,     O,     O,     O,     O,    GB,     O,     H,     O,     O,     O,     O,     O,     O,     O,     O,
+
+  /* Soyombo */
+
+  /* 11A50 */     B,  VAbv,  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VPst,  VPst,  VBlw,  VBlw,  VBlw,     B,     B,     B,     B,
+  /* 11A60 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
+  /* 11A70 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
+  /* 11A80 */     B,     B,     B,     B,     O,     O,     R,     R,     R,     R,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,
+  /* 11A90 */  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw, VMAbv, VMPst, CMAbv,     H,     O,     O,     O,     O,     O,     O,
+
+#define use_offset_0x11c00u 5120
 
 
   /* Bhaiksuki */
@@ -636,7 +655,19 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11CA0 */   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,     O,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,
   /* 11CB0 */  VBlw,  VPre,  VBlw,  VAbv,  VPst, VMAbv, VMAbv,     O,
 
-}; /* Table items: 5144; occupancy: 72% */
+#define use_offset_0x11d00u 5304
+
+
+  /* Masaram Gondi */
+
+  /* 11D00 */     B,     B,     B,     B,     B,     B,     B,     O,     B,     B,     O,     B,     B,     B,     B,     B,
+  /* 11D10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
+  /* 11D20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
+  /* 11D30 */     B,  VAbv,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,     O,     O,     O,  VAbv,     O,  VAbv,  VAbv,     O,  VAbv,
+  /* 11D40 */ VMAbv, VMAbv, CMBlw,  VAbv,  VBlw,     H,     R,  MBlw,     O,     O,     O,     O,     O,     O,     O,     O,
+  /* 11D50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
+
+}; /* Table items: 5400; occupancy: 73% */
 
 USE_TABLE_ELEMENT_TYPE
 hb_use_get_categories (hb_codepoint_t u)
@@ -684,7 +715,9 @@ hb_use_get_categories (hb_codepoint_t u)
       if (hb_in_range<hb_codepoint_t> (u, 0x11280u, 0x11377u)) return use_table[u - 0x11280u + use_offset_0x11280u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11400u, 0x114DFu)) return use_table[u - 0x11400u + use_offset_0x11400u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11580u, 0x1173Fu)) return use_table[u - 0x11580u + use_offset_0x11580u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11A00u, 0x11A9Fu)) return use_table[u - 0x11A00u + use_offset_0x11a00u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11C00u, 0x11CB7u)) return use_table[u - 0x11C00u + use_offset_0x11c00u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11D00u, 0x11D5Fu)) return use_table[u - 0x11D00u + use_offset_0x11d00u];
       if (unlikely (u == 0x1107Fu)) return HN;
       break;
 

From 0faa16a25349906ee0ab98b73d9a3d96327a0955 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 17:15:46 +0200
Subject: [PATCH 0403/1326] [ucdn] Update to Unicode 10

Update to commit c000ebf79c095a7d58cf90090bde5715592c4834
plus this bug-fix: https://github.com/grigorig/ucdn/issues/18
---
 src/hb-ucdn.cc               |  4 +++
 src/hb-ucdn/Makefile.sources |  2 +-
 src/hb-ucdn/ucdn.c           | 67 ++++++++++++++++++------------------
 src/hb-ucdn/ucdn.h           |  7 ++++
 4 files changed, 46 insertions(+), 34 deletions(-)

diff --git a/src/hb-ucdn.cc b/src/hb-ucdn.cc
index a884e3ffd..d8404b294 100644
--- a/src/hb-ucdn.cc
+++ b/src/hb-ucdn.cc
@@ -160,6 +160,10 @@ static const hb_script_t ucdn_script_translate[] =
     HB_SCRIPT_NEWA,
     HB_SCRIPT_OSAGE,
     HB_SCRIPT_TANGUT,
+    HB_SCRIPT_MASARAM_GONDI,
+    HB_SCRIPT_NUSHU,
+    HB_SCRIPT_SOYOMBO,
+    HB_SCRIPT_ZANABAZAR_SQUARE,
 };
 
 static hb_unicode_combining_class_t
diff --git a/src/hb-ucdn/Makefile.sources b/src/hb-ucdn/Makefile.sources
index 52778d46c..cb823b605 100644
--- a/src/hb-ucdn/Makefile.sources
+++ b/src/hb-ucdn/Makefile.sources
@@ -3,5 +3,5 @@ NULL =
 LIBHB_UCDN_sources = \
 	ucdn.h \
 	ucdn.c \
-	unicodedata_db.h \
+	ucdn_db.h \
 	$(NULL)
diff --git a/src/hb-ucdn/ucdn.c b/src/hb-ucdn/ucdn.c
index f4e9be17c..30747fea2 100644
--- a/src/hb-ucdn/ucdn.c
+++ b/src/hb-ucdn/ucdn.c
@@ -23,7 +23,6 @@ typedef struct {
     unsigned char category;
     unsigned char combining;
     unsigned char bidi_class;
-    unsigned char mirrored;
     unsigned char east_asian_width;
     unsigned char script;
     unsigned char linebreak_class;
@@ -43,7 +42,7 @@ typedef struct {
     short count, index;
 } Reindex;
 
-#include "unicodedata_db.h"
+#include "ucdn_db.h"
 
 /* constants required for Hangul (de)composition */
 #define SBASE 0xAC00
@@ -91,20 +90,30 @@ static const unsigned short *get_decomp_record(uint32_t code)
     return &decomp_data[index];
 }
 
-static int get_comp_index(uint32_t code, const Reindex *idx)
+static int compare_reindex(const void *a, const void *b)
 {
-    int i;
+    Reindex *ra = (Reindex *)a;
+    Reindex *rb = (Reindex *)b;
 
-    for (i = 0; idx[i].start; i++) {
-        const Reindex *cur = &idx[i];
-        if (code < cur->start)
-            return -1;
-        if (code <= cur->start + cur->count) {
-            return cur->index + (code - cur->start);
-        }
-    }
+    if (ra->start < rb->start)
+        return -1;
+    else if (ra->start > (rb->start + rb->count))
+        return 1;
+    else
+        return 0;
+}
 
-    return -1;
+static int get_comp_index(uint32_t code, const Reindex *idx, size_t len)
+{
+    Reindex *res;
+    Reindex r = {0, 0, 0};
+    r.start = code;
+    res = (Reindex *) bsearch(&r, idx, len, sizeof(Reindex), compare_reindex);
+
+    if (res != NULL)
+        return res->index + (code - res->start);
+    else
+        return -1;
 }
 
 static int compare_mp(const void *a, const void *b)
@@ -127,8 +136,8 @@ static BracketPair *search_bp(uint32_t code)
     BracketPair *res;
 
     bp.from = code;
-    res = bsearch(&bp, bracket_pairs, BIDI_BRACKET_LEN, sizeof(BracketPair),
-            compare_bp);
+    res = (BracketPair *) bsearch(&bp, bracket_pairs, BIDI_BRACKET_LEN,
+                                 sizeof(BracketPair), compare_bp);
     return res;
 }
 
@@ -154,23 +163,18 @@ static int hangul_pair_decompose(uint32_t code, uint32_t *a, uint32_t *b)
 
 static int hangul_pair_compose(uint32_t *code, uint32_t a, uint32_t b)
 {
-    if (b < VBASE || b >= (TBASE + TCOUNT))
-        return 0;
-
-    if ((a < LBASE || a >= (LBASE + LCOUNT))
-            && (a < SBASE || a >= (SBASE + SCOUNT)))
-        return 0;
-
-    if (a >= SBASE) {
+    if (a >= SBASE && a < (SBASE + SCOUNT) && b >= TBASE && b < (TBASE + TCOUNT)) {
         /* LV,T */
         *code = a + (b - TBASE);
         return 3;
-    } else {
+    } else if (a >= LBASE && a < (LBASE + LCOUNT) && b >= VBASE && b < (VBASE + VCOUNT)) {
         /* L,V */
         int li = a - LBASE;
         int vi = b - VBASE;
         *code = SBASE + li * NCOUNT + vi * TCOUNT;
         return 2;
+    } else {
+        return 0;
     }
 }
 
@@ -178,7 +182,7 @@ static uint32_t decode_utf16(const unsigned short **code_ptr)
 {
     const unsigned short *code = *code_ptr;
 
-    if ((code[0] & 0xd800) != 0xd800) {
+    if (code[0] < 0xd800 || code[0] > 0xdc00) {
         *code_ptr += 1;
         return (uint32_t)code[0];
     } else {
@@ -215,7 +219,7 @@ int ucdn_get_bidi_class(uint32_t code)
 
 int ucdn_get_mirrored(uint32_t code)
 {
-    return get_ucd_record(code)->mirrored;
+    return ucdn_mirror(code) != code;
 }
 
 int ucdn_get_script(uint32_t code)
@@ -264,12 +268,9 @@ uint32_t ucdn_mirror(uint32_t code)
     MirrorPair mp = {0};
     MirrorPair *res;
 
-    if (get_ucd_record(code)->mirrored == 0)
-        return code;
-
     mp.from = code;
-    res = bsearch(&mp, mirror_pairs, BIDI_MIRROR_LEN, sizeof(MirrorPair),
-            compare_mp);
+    res = (MirrorPair *) bsearch(&mp, mirror_pairs, BIDI_MIRROR_LEN,
+                                sizeof(MirrorPair), compare_mp);
 
     if (res == NULL)
         return code;
@@ -326,8 +327,8 @@ int ucdn_compose(uint32_t *code, uint32_t a, uint32_t b)
     if (hangul_pair_compose(code, a, b))
         return 1;
 
-    l = get_comp_index(a, nfc_first);
-    r = get_comp_index(b, nfc_last);
+    l = get_comp_index(a, nfc_first, sizeof(nfc_first) / sizeof(Reindex));
+    r = get_comp_index(b, nfc_last, sizeof(nfc_last) / sizeof(Reindex));
 
     if (l < 0 || r < 0)
         return 0;
diff --git a/src/hb-ucdn/ucdn.h b/src/hb-ucdn/ucdn.h
index f694dc5a8..71a1e4b30 100644
--- a/src/hb-ucdn/ucdn.h
+++ b/src/hb-ucdn/ucdn.h
@@ -206,6 +206,10 @@ typedef unsigned __int64 uint64_t;
 #define UCDN_SCRIPT_NEWA 135
 #define UCDN_SCRIPT_OSAGE 136
 #define UCDN_SCRIPT_TANGUT 137
+#define UCDN_SCRIPT_MASARAM_GONDI 138
+#define UCDN_SCRIPT_NUSHU 139
+#define UCDN_SCRIPT_SOYOMBO 140
+#define UCDN_SCRIPT_ZANABAZAR_SQUARE 141
 
 #define UCDN_LINEBREAK_CLASS_OP 0
 #define UCDN_LINEBREAK_CLASS_CL 1
@@ -247,6 +251,9 @@ typedef unsigned __int64 uint64_t;
 #define UCDN_LINEBREAK_CLASS_SG 37
 #define UCDN_LINEBREAK_CLASS_SP 38
 #define UCDN_LINEBREAK_CLASS_XX 39
+#define UCDN_LINEBREAK_CLASS_ZWJ 40
+#define UCDN_LINEBREAK_CLASS_EB 41
+#define UCDN_LINEBREAK_CLASS_EM 42
 
 #define UCDN_GENERAL_CATEGORY_CC 0
 #define UCDN_GENERAL_CATEGORY_CF 1

From 5680ef884cf31ab9b42c587ffa260e390c88b8eb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 18:20:51 +0200
Subject: [PATCH 0404/1326] [use] Hack to fix shaping of U+1A7F

Fixes https://github.com/behdad/harfbuzz/issues/525
---
 src/gen-use-table.py                 | 3 +++
 src/hb-ot-shape-complex-use-table.cc | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index b283c5219..4f4826125 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -299,6 +299,9 @@ def map_to_use(data):
 		# the nasalization marks, maybe only for U+1CE9..U+1CF1.
 		if U == 0x1CED: UISC = Tone_Mark
 
+		# TODO: https://github.com/behdad/harfbuzz/issues/525
+		if U == 0x1A7F: UISC = Consonant_Final; UIPC = Bottom
+
 		values = [k for k,v in items if v(U,UISC,UGC)]
 		assert len(values) == 1, "%s %s %s %s" % (hex(U), UISC, UGC, values)
 		USE = values[0]
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index f924ac05b..daae04ed3 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -276,7 +276,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 1A40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 1A50 */     B,     B,     B,     B,     B,  MPre,  MBlw,   SUB,  FAbv,  FAbv,  FAbv,   SUB,   SUB,   SUB,   SUB,     O,
   /* 1A60 */     H,  VPst,  VAbv,  VPst,  VPst,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VBlw,  VAbv,  VBlw,  VPst,  VPre,  VPre,
-  /* 1A70 */  VPre,  VPre,  VPre,  VAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,  VAbv,    FM,    FM,     O,     O,    FM,
+  /* 1A70 */  VPre,  VPre,  VPre,  VAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,  VAbv,    FM,    FM,     O,     O,  FBlw,
   /* 1A80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
   /* 1A90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 

From 57c55ef8341c760145170dedd002c5afb380e6c8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 18:21:27 +0200
Subject: [PATCH 0405/1326] [ot] Improve shaper selection heuristic

---
 src/hb-ot-shape-complex-private.hh | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index 20ad6b2c7..8fadd7cdb 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -253,10 +253,12 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
     case HB_SCRIPT_SINHALA:
 
       /* If the designer designed the font for the 'DFLT' script,
-       * use the default shaper.  Otherwise, use the specific shaper.
+       * (or we ended up arbitrarily pick 'latn'), use the default shaper.
+       * Otherwise, use the specific shaper.
        * Note that for some simple scripts, there may not be *any*
        * GSUB/GPOS needed, so there may be no scripts found! */
-      if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T'))
+      if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') ||
+	  planner->map.chosen_script[0] == HB_TAG ('l','a','t','n'))
 	return &_hb_ot_complex_shaper_default;
       else
 	return &_hb_ot_complex_shaper_indic;
@@ -368,10 +370,12 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
     case HB_SCRIPT_ZANABAZAR_SQUARE:
 
       /* If the designer designed the font for the 'DFLT' script,
-       * use the default shaper.  Otherwise, use the specific shaper.
+       * (or we ended up arbitrarily pick 'latn'), use the default shaper.
+       * Otherwise, use the specific shaper.
        * Note that for some simple scripts, there may not be *any*
        * GSUB/GPOS needed, so there may be no scripts found! */
-      if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T'))
+      if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') ||
+	  planner->map.chosen_script[0] == HB_TAG ('l','a','t','n'))
 	return &_hb_ot_complex_shaper_default;
       else
 	return &_hb_ot_complex_shaper_use;

From b3dff7720c1fac8ca9bdd7087ac368a0af4349e8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 18:22:51 +0200
Subject: [PATCH 0406/1326] [ucdn] Update README

---
 src/hb-ucdn/README | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-ucdn/README b/src/hb-ucdn/README
index fcb97b9aa..2203ae69a 100644
--- a/src/hb-ucdn/README
+++ b/src/hb-ucdn/README
@@ -31,10 +31,10 @@ UCDN was written by Grigori Goronzy <greg@kinoho.net>.
 
 How to Use
 
-Include ucdn.c, ucdn.h and unicodedata_db.h in your project. Now,
-just use the functions as documented in ucdn.h.
+Include ucdn.c, ucdn.h and ucdn_db.h in your project. Now, just use the
+functions as documented in ucdn.h.
 
 In some cases, it might be necessary to regenerate the Unicode
 database file. The script makeunicodedata.py (Python 3.x required)
 fetches the appropriate files and dumps the compressed database into
-unicodedata_db.h.
+ucdn_db.h.

From cbec0cd65e1787b20ea55dd5583a7444938bd381 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 18:26:52 +0200
Subject: [PATCH 0407/1326] Remove some really old cruft

---
 src/hb-common.h    | 14 --------------
 src/hb-ucdn/ucdn.h | 14 --------------
 2 files changed, 28 deletions(-)

diff --git a/src/hb-common.h b/src/hb-common.h
index 8614ee3fe..614a63aa6 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -43,30 +43,16 @@
 # endif /* !__cplusplus */
 #endif
 
-#if !defined (HB_DONT_DEFINE_STDINT)
-
 #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \
     defined (_sgi) || defined (__sun) || defined (sun) || \
     defined (__digital__) || defined (__HP_cc)
 #  include <inttypes.h>
 #elif defined (_AIX)
 #  include <sys/inttypes.h>
-/* VS 2010 (_MSC_VER 1600) has stdint.h */
-#elif defined (_MSC_VER) && _MSC_VER < 1600
-typedef __int8 int8_t;
-typedef unsigned __int8 uint8_t;
-typedef __int16 int16_t;
-typedef unsigned __int16 uint16_t;
-typedef __int32 int32_t;
-typedef unsigned __int32 uint32_t;
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
 #else
 #  include <stdint.h>
 #endif
 
-#endif
-
 HB_BEGIN_DECLS
 
 
diff --git a/src/hb-ucdn/ucdn.h b/src/hb-ucdn/ucdn.h
index 71a1e4b30..2d5fc3591 100644
--- a/src/hb-ucdn/ucdn.h
+++ b/src/hb-ucdn/ucdn.h
@@ -36,30 +36,16 @@
 
 HB_BEGIN_HEADER
 
-#if !defined (HB_DONT_DEFINE_STDINT)
-
 #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \
     defined (_sgi) || defined (__sun) || defined (sun) || \
     defined (__digital__) || defined (__HP_cc)
 #  include <inttypes.h>
 #elif defined (_AIX)
 #  include <sys/inttypes.h>
-/* VS 2010 (_MSC_VER 1600) has stdint.h */
-#elif defined (_MSC_VER) && _MSC_VER < 1600
-typedef __int8 int8_t;
-typedef unsigned __int8 uint8_t;
-typedef __int16 int16_t;
-typedef unsigned __int16 uint16_t;
-typedef __int32 int32_t;
-typedef unsigned __int32 uint32_t;
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
 #else
 #  include <stdint.h>
 #endif
 
-#endif
-
 
 #define UCDN_EAST_ASIAN_F 0
 #define UCDN_EAST_ASIAN_H 1

From 6eb8950e6265b23d88ba35daab1cff4fc3fe8753 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 18:30:05 +0200
Subject: [PATCH 0408/1326] [ucdn] Oops!

---
 src/hb-ucdn/{unicodedata_db.h => ucdn_db.h} | 4320 ++++++++++---------
 1 file changed, 2173 insertions(+), 2147 deletions(-)
 rename src/hb-ucdn/{unicodedata_db.h => ucdn_db.h} (64%)

diff --git a/src/hb-ucdn/unicodedata_db.h b/src/hb-ucdn/ucdn_db.h
similarity index 64%
rename from src/hb-ucdn/unicodedata_db.h
rename to src/hb-ucdn/ucdn_db.h
index c9cd59bc6..8d2d8de37 100644
--- a/src/hb-ucdn/unicodedata_db.h
+++ b/src/hb-ucdn/ucdn_db.h
@@ -1,999 +1,1012 @@
 /* this file was generated by makeunicodedata.py 3.2 */
 
-#define UNIDATA_VERSION "9.0.0"
+#define UNIDATA_VERSION "10.0.0"
 /* a list of unique database records */
 static const UCDRecord ucd_records[] = {
-    {2, 0, 18, 0, 5, 102, 41},
-    {0, 0, 14, 0, 5, 0, 21},
-    {0, 0, 16, 0, 5, 0, 17},
-    {0, 0, 15, 0, 5, 0, 35},
-    {0, 0, 16, 0, 5, 0, 30},
-    {0, 0, 17, 0, 5, 0, 30},
-    {0, 0, 15, 0, 5, 0, 33},
-    {0, 0, 15, 0, 5, 0, 21},
-    {0, 0, 16, 0, 5, 0, 21},
-    {29, 0, 17, 0, 3, 0, 40},
-    {21, 0, 18, 0, 3, 0, 6},
-    {21, 0, 18, 0, 3, 0, 3},
-    {21, 0, 10, 0, 3, 0, 12},
-    {23, 0, 10, 0, 3, 0, 9},
-    {21, 0, 10, 0, 3, 0, 10},
-    {21, 0, 18, 0, 3, 0, 12},
-    {22, 0, 18, 1, 3, 0, 0},
-    {18, 0, 18, 1, 3, 0, 2},
-    {25, 0, 9, 0, 3, 0, 9},
-    {21, 0, 12, 0, 3, 0, 8},
-    {17, 0, 9, 0, 3, 0, 16},
-    {21, 0, 12, 0, 3, 0, 7},
-    {13, 0, 8, 0, 3, 0, 11},
-    {21, 0, 18, 0, 3, 0, 8},
-    {25, 0, 18, 1, 3, 0, 12},
-    {25, 0, 18, 0, 3, 0, 12},
-    {9, 0, 0, 0, 3, 1, 12},
-    {21, 0, 18, 0, 3, 0, 9},
-    {24, 0, 18, 0, 3, 0, 12},
-    {16, 0, 18, 0, 3, 0, 12},
-    {5, 0, 0, 0, 3, 1, 12},
-    {25, 0, 18, 0, 3, 0, 17},
-    {18, 0, 18, 1, 3, 0, 1},
-    {0, 0, 15, 0, 5, 0, 36},
-    {29, 0, 12, 0, 5, 0, 4},
-    {21, 0, 18, 0, 4, 0, 0},
-    {23, 0, 10, 0, 3, 0, 10},
-    {23, 0, 10, 0, 4, 0, 9},
-    {26, 0, 18, 0, 3, 0, 12},
-    {21, 0, 18, 0, 4, 0, 29},
-    {24, 0, 18, 0, 4, 0, 29},
-    {26, 0, 18, 0, 5, 0, 12},
-    {7, 0, 0, 0, 4, 1, 29},
-    {20, 0, 18, 1, 5, 0, 3},
-    {1, 0, 14, 0, 4, 0, 17},
-    {26, 0, 18, 0, 4, 0, 12},
-    {26, 0, 10, 0, 4, 0, 10},
-    {25, 0, 10, 0, 4, 0, 9},
-    {15, 0, 8, 0, 4, 0, 29},
-    {24, 0, 18, 0, 4, 0, 18},
-    {5, 0, 0, 0, 5, 0, 12},
-    {19, 0, 18, 1, 5, 0, 3},
-    {15, 0, 18, 0, 4, 0, 29},
-    {9, 0, 0, 0, 5, 1, 12},
-    {9, 0, 0, 0, 4, 1, 12},
-    {25, 0, 18, 0, 4, 0, 29},
-    {5, 0, 0, 0, 4, 1, 12},
-    {5, 0, 0, 0, 5, 1, 12},
-    {7, 0, 0, 0, 5, 1, 12},
-    {8, 0, 0, 0, 5, 1, 12},
-    {6, 0, 0, 0, 5, 1, 12},
-    {6, 0, 18, 0, 5, 0, 12},
-    {6, 0, 0, 0, 5, 0, 12},
-    {24, 0, 18, 0, 5, 0, 12},
-    {24, 0, 18, 0, 4, 0, 12},
-    {6, 0, 18, 0, 4, 0, 29},
-    {6, 0, 18, 0, 5, 0, 18},
-    {6, 0, 0, 0, 4, 0, 29},
-    {24, 0, 18, 0, 5, 34, 12},
-    {12, 230, 13, 0, 4, 40, 21},
-    {12, 232, 13, 0, 4, 40, 21},
-    {12, 220, 13, 0, 4, 40, 21},
-    {12, 216, 13, 0, 4, 40, 21},
-    {12, 202, 13, 0, 4, 40, 21},
-    {12, 1, 13, 0, 4, 40, 21},
-    {12, 240, 13, 0, 4, 40, 21},
-    {12, 0, 13, 0, 4, 40, 4},
-    {12, 233, 13, 0, 4, 40, 4},
-    {12, 234, 13, 0, 4, 40, 4},
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+    {10, 9, 0, 5, 101, 21},
+    {12, 7, 13, 5, 101, 21},
+    {13, 0, 0, 5, 101, 11},
+    {7, 0, 0, 5, 126, 36},
+    {12, 0, 13, 5, 126, 36},
+    {10, 0, 0, 5, 126, 36},
+    {12, 9, 13, 5, 126, 36},
+    {13, 0, 0, 5, 126, 11},
+    {15, 0, 0, 5, 126, 36},
+    {21, 0, 0, 5, 126, 17},
+    {26, 0, 0, 5, 126, 36},
+    {9, 0, 0, 5, 125, 12},
+    {5, 0, 0, 5, 125, 12},
+    {13, 0, 0, 5, 125, 11},
+    {15, 0, 0, 5, 125, 12},
+    {7, 0, 0, 5, 125, 12},
+    {7, 0, 0, 5, 141, 12},
+    {12, 0, 13, 5, 141, 21},
+    {10, 0, 0, 5, 141, 21},
+    {12, 9, 13, 5, 141, 21},
+    {21, 0, 0, 5, 141, 18},
+    {21, 0, 0, 5, 141, 12},
+    {21, 0, 0, 5, 141, 17},
+    {7, 0, 0, 5, 140, 12},
+    {12, 0, 13, 5, 140, 21},
+    {10, 0, 0, 5, 140, 21},
+    {12, 9, 13, 5, 140, 21},
+    {21, 0, 0, 5, 140, 17},
+    {21, 0, 0, 5, 140, 18},
+    {7, 0, 0, 5, 121, 12},
+    {7, 0, 0, 5, 133, 12},
+    {10, 0, 0, 5, 133, 21},
+    {12, 0, 13, 5, 133, 21},
+    {12, 9, 0, 5, 133, 21},
+    {21, 0, 0, 5, 133, 17},
+    {13, 0, 0, 5, 133, 11},
+    {15, 0, 0, 5, 133, 12},
+    {21, 0, 0, 5, 134, 18},
+    {21, 0, 0, 5, 134, 6},
+    {7, 0, 0, 5, 134, 12},
+    {12, 0, 13, 5, 134, 21},
+    {10, 0, 0, 5, 134, 21},
+    {7, 0, 0, 5, 138, 12},
+    {12, 0, 13, 5, 138, 21},
+    {12, 7, 13, 5, 138, 21},
+    {12, 9, 13, 5, 138, 21},
+    {13, 0, 0, 5, 138, 11},
+    {7, 0, 0, 5, 62, 12},
+    {14, 0, 0, 5, 62, 12},
+    {21, 0, 0, 5, 62, 17},
+    {7, 0, 0, 5, 80, 12},
+    {7, 0, 0, 5, 80, 0},
+    {7, 0, 0, 5, 80, 1},
+    {7, 0, 0, 5, 127, 12},
+    {7, 0, 0, 5, 127, 0},
+    {7, 0, 0, 5, 127, 1},
+    {7, 0, 0, 5, 115, 12},
+    {13, 0, 0, 5, 115, 11},
+    {21, 0, 0, 5, 115, 17},
+    {7, 0, 0, 5, 103, 12},
+    {12, 1, 13, 5, 103, 21},
+    {21, 0, 0, 5, 103, 17},
+    {7, 0, 0, 5, 119, 12},
+    {12, 230, 13, 5, 119, 21},
+    {21, 0, 0, 5, 119, 17},
+    {21, 0, 0, 5, 119, 12},
+    {26, 0, 0, 5, 119, 12},
+    {6, 0, 0, 5, 119, 12},
+    {13, 0, 0, 5, 119, 11},
+    {15, 0, 0, 5, 119, 12},
+    {7, 0, 0, 5, 98, 12},
+    {10, 0, 0, 5, 98, 21},
+    {12, 0, 13, 5, 98, 21},
+    {6, 0, 0, 5, 98, 12},
+    {6, 0, 0, 2, 137, 5},
+    {6, 0, 0, 2, 139, 5},
+    {7, 0, 0, 2, 137, 14},
+    {7, 0, 0, 2, 139, 14},
+    {7, 0, 0, 5, 105, 12},
+    {26, 0, 0, 5, 105, 12},
+    {12, 0, 13, 5, 105, 21},
+    {12, 1, 13, 5, 105, 21},
+    {21, 0, 0, 5, 105, 17},
+    {10, 216, 0, 5, 0, 21},
+    {10, 226, 0, 5, 0, 21},
+    {12, 230, 13, 5, 2, 21},
+    {25, 0, 0, 5, 0, 12},
+    {13, 0, 8, 5, 0, 11},
+    {26, 0, 0, 5, 131, 12},
+    {12, 0, 13, 5, 131, 21},
+    {21, 0, 0, 5, 131, 17},
+    {21, 0, 0, 5, 131, 12},
+    {12, 230, 13, 5, 56, 21},
+    {7, 0, 3, 5, 113, 12},
+    {15, 0, 3, 5, 113, 12},
+    {12, 220, 13, 5, 113, 21},
+    {9, 0, 3, 5, 132, 12},
+    {5, 0, 3, 5, 132, 12},
+    {12, 230, 13, 5, 132, 21},
+    {12, 7, 13, 5, 132, 21},
+    {13, 0, 3, 5, 132, 11},
+    {21, 0, 3, 5, 132, 0},
+    {2, 0, 18, 5, 102, 14},
+    {26, 0, 0, 2, 0, 29},
+    {26, 0, 0, 5, 0, 28},
+    {26, 0, 0, 2, 32, 14},
+    {24, 0, 18, 2, 0, 42},
+    {26, 0, 18, 5, 0, 5},
 };
 
 #define BIDI_MIRROR_LEN 364
@@ -1893,6 +1906,10 @@ static const Reindex nfc_last[] = {
 #define UCDN_SCRIPT_NEWA 135
 #define UCDN_SCRIPT_OSAGE 136
 #define UCDN_SCRIPT_TANGUT 137
+#define UCDN_SCRIPT_MASARAM_GONDI 138
+#define UCDN_SCRIPT_NUSHU 139
+#define UCDN_SCRIPT_SOYOMBO 140
+#define UCDN_SCRIPT_ZANABAZAR_SQUARE 141
 
 #define UCDN_GENERAL_CATEGORY_CC 0
 #define UCDN_GENERAL_CATEGORY_CF 1
@@ -1968,21 +1985,21 @@ static const unsigned char index0[] = {
     73, 73, 73, 73, 73, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 52, 75, 76, 77, 78, 79, 
     80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 94, 96, 
-    97, 98, 99, 100, 101, 102, 103, 104, 94, 105, 94, 106, 94, 94, 94, 107, 
-    107, 107, 108, 109, 110, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 111, 
-    111, 112, 113, 114, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
-    94, 94, 115, 116, 117, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    97, 98, 99, 100, 101, 102, 103, 104, 94, 105, 94, 106, 107, 94, 94, 108, 
+    108, 108, 109, 110, 111, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 112, 
+    112, 113, 114, 115, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 116, 117, 118, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
-    94, 94, 94, 118, 118, 119, 120, 94, 94, 94, 121, 122, 122, 122, 122, 122, 
-    122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 
-    122, 122, 122, 122, 123, 122, 122, 124, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 119, 119, 120, 121, 94, 94, 94, 122, 123, 123, 123, 123, 123, 
+    123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 
+    123, 123, 123, 123, 124, 123, 123, 125, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
-    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 125, 94, 94, 94, 94, 94, 94, 
-    94, 94, 94, 94, 94, 126, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
-    94, 94, 94, 94, 94, 94, 94, 127, 128, 129, 130, 131, 132, 133, 134, 135, 
-    135, 136, 94, 94, 94, 94, 94, 137, 94, 94, 94, 94, 94, 94, 94, 138, 139, 
-    94, 94, 94, 94, 140, 94, 141, 142, 143, 144, 145, 146, 147, 148, 149, 
-    150, 151, 151, 151, 151, 151, 152, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
+    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 126, 127, 128, 94, 94, 94, 
+    94, 94, 94, 94, 94, 94, 129, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
+    94, 94, 94, 94, 94, 94, 94, 94, 130, 131, 132, 133, 134, 135, 136, 137, 
+    138, 138, 139, 94, 94, 94, 94, 94, 140, 94, 94, 94, 94, 94, 94, 94, 141, 
+    142, 94, 94, 94, 94, 143, 94, 144, 145, 146, 147, 148, 149, 150, 151, 
+    152, 153, 154, 154, 154, 154, 154, 155, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
@@ -1991,31 +2008,31 @@ static const unsigned char index0[] = {
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
     52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
-    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 153, 52, 52, 52, 52, 
-    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 154, 155, 52, 52, 52, 52, 
-    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 156, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 52, 52, 
-    158, 157, 157, 157, 157, 159, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 
-    157, 157, 157, 157, 157, 157, 157, 157, 157, 159, 94, 94, 94, 94, 94, 94, 
+    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 156, 52, 52, 52, 
+    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 157, 158, 52, 52, 52, 
+    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
+    159, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
+    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 160, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 52, 52, 162, 161, 161, 161, 161, 163, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 
+    161, 161, 161, 163, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
@@ -2157,7 +2174,7 @@ static const unsigned char index0[] = {
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
-    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 160, 161, 
+    94, 94, 94, 94, 94, 94, 94, 94, 94, 164, 165, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
@@ -2171,8 +2188,7 @@ static const unsigned char index0[] = {
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
     94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
-    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 
-    94, 94, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
@@ -2186,7 +2202,7 @@ static const unsigned char index0[] = {
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
-    74, 74, 74, 74, 74, 162, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 166, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
@@ -2200,7 +2216,8 @@ static const unsigned char index0[] = {
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
     74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
-    74, 74, 74, 74, 74, 74, 74, 74, 74, 162, 
+    74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 
+    74, 74, 166, 
 };
 
 static const unsigned short index1[] = {
@@ -2220,1136 +2237,1145 @@ static const unsigned short index1[] = {
     128, 128, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 145, 145, 
     146, 147, 148, 149, 128, 128, 128, 128, 128, 128, 150, 150, 150, 150, 
     151, 152, 153, 120, 154, 155, 156, 156, 156, 157, 158, 159, 160, 160, 
-    161, 162, 163, 164, 165, 166, 167, 167, 167, 168, 120, 120, 120, 120, 
-    120, 120, 120, 120, 128, 128, 169, 170, 120, 120, 171, 126, 172, 173, 
-    174, 175, 176, 177, 177, 177, 177, 177, 177, 178, 179, 180, 181, 177, 
-    182, 183, 184, 177, 185, 186, 187, 188, 188, 189, 190, 191, 192, 193, 
-    194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 203, 204, 205, 206, 
-    207, 208, 209, 210, 211, 212, 213, 120, 214, 215, 216, 217, 217, 218, 
-    219, 220, 221, 222, 223, 120, 224, 225, 226, 227, 228, 229, 230, 231, 
-    231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 120, 242, 243, 
-    244, 245, 246, 243, 247, 248, 249, 250, 251, 120, 252, 253, 254, 255, 
-    256, 257, 258, 259, 259, 258, 259, 260, 261, 262, 263, 264, 265, 266, 
-    120, 267, 268, 269, 270, 271, 271, 270, 272, 273, 274, 275, 276, 277, 
-    278, 279, 280, 120, 281, 282, 283, 284, 284, 284, 284, 285, 286, 287, 
-    288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 295, 295, 298, 299, 
-    296, 300, 301, 302, 303, 304, 305, 120, 306, 307, 307, 307, 307, 307, 
-    308, 309, 310, 311, 312, 313, 120, 120, 120, 120, 314, 315, 316, 317, 
-    318, 319, 320, 321, 322, 323, 324, 325, 120, 120, 120, 120, 326, 327, 
-    328, 329, 330, 331, 332, 333, 334, 335, 334, 334, 334, 336, 337, 338, 
-    339, 340, 341, 342, 341, 341, 341, 343, 344, 345, 346, 347, 120, 120, 
-    120, 120, 348, 348, 348, 348, 348, 349, 350, 351, 352, 353, 354, 355, 
-    356, 357, 358, 348, 359, 360, 352, 361, 362, 362, 362, 362, 363, 364, 
-    365, 365, 365, 365, 365, 366, 367, 367, 367, 367, 367, 367, 367, 367, 
-    367, 367, 367, 367, 368, 368, 368, 368, 368, 368, 368, 368, 368, 369, 
-    369, 369, 369, 369, 369, 369, 369, 369, 369, 369, 370, 370, 370, 370, 
-    370, 370, 370, 370, 370, 371, 372, 371, 370, 370, 370, 370, 370, 371, 
-    370, 370, 370, 370, 371, 372, 371, 370, 372, 370, 370, 370, 370, 370, 
-    370, 370, 371, 370, 370, 370, 370, 370, 370, 370, 370, 373, 374, 375, 
-    376, 377, 370, 370, 378, 379, 380, 380, 380, 380, 380, 380, 380, 380, 
-    380, 380, 381, 382, 383, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
-    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
-    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
-    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
-    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 
-    384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 384, 385, 384, 384, 
-    386, 387, 387, 388, 389, 389, 389, 389, 389, 389, 389, 389, 389, 390, 
-    391, 392, 393, 394, 395, 120, 396, 396, 397, 120, 398, 398, 399, 120, 
-    400, 401, 402, 120, 403, 403, 403, 403, 403, 403, 404, 405, 406, 407, 
-    408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 418, 418, 418, 
-    419, 418, 418, 418, 418, 418, 418, 120, 420, 418, 418, 418, 418, 421, 
-    384, 384, 384, 384, 384, 384, 384, 384, 422, 120, 423, 423, 423, 424, 
-    425, 426, 427, 428, 429, 430, 431, 431, 431, 432, 433, 120, 434, 434, 
-    434, 434, 434, 435, 434, 434, 434, 436, 437, 438, 439, 439, 439, 439, 
-    440, 440, 441, 442, 443, 443, 443, 443, 443, 443, 444, 445, 446, 447, 
-    448, 449, 450, 451, 450, 451, 452, 453, 454, 455, 120, 120, 120, 120, 
-    120, 120, 120, 120, 456, 457, 457, 457, 457, 457, 458, 459, 460, 461, 
-    462, 463, 464, 465, 466, 467, 468, 469, 469, 469, 470, 471, 472, 473, 
-    474, 474, 474, 474, 475, 476, 477, 478, 479, 479, 479, 479, 480, 481, 
-    482, 483, 484, 485, 486, 487, 488, 488, 488, 489, 100, 490, 120, 120, 
-    120, 120, 120, 120, 491, 120, 492, 493, 494, 495, 496, 497, 54, 54, 54, 
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-    1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 
-    1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 
-    1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 
-    1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1225, 120, 
-    120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 1226, 1226, 1226, 
-    1226, 1226, 1226, 1226, 1226, 1226, 1226, 1226, 1226, 1226, 1227, 1228, 
-    120, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 
-    1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 1224, 
-    1224, 1229, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
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-    1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 
-    1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 
-    1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 
-    1230, 1230, 1230, 1230, 1231, 1230, 1230, 1230, 1230, 1232, 1233, 1230, 
-    1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 
-    1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 
-    1230, 1230, 1230, 1230, 1234, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 
-    1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 1230, 
-    1230, 1230, 1235, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
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+    1222, 1222, 1224, 1225, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 
+    1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 1222, 
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-    1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1237, 1236, 
-    1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 
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-    826, 826, 826, 826, 826, 826, 826, 826, 826, 826, 826, 826, 826, 826, 
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     120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
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-    1264, 1264, 1264, 1264, 1264, 1264, 1264, 1264, 1264, 1264, 1264, 1264, 
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+    1263, 1263, 1263, 1263, 1263, 1263, 1264, 1263, 1265, 1263, 1266, 1263, 
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     120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
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-    810, 810, 810, 810, 810, 810, 810, 810, 810, 810, 810, 810, 810, 810, 
-    810, 810, 810, 810, 810, 810, 810, 810, 1441, 1442, 120, 120, 120, 1443, 
-    1443, 1443, 1443, 1443, 1443, 1443, 1443, 1443, 1443, 1443, 1443, 120, 
-    120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 
-    120, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 
-    932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 932, 
-    932, 932, 932, 120, 120, 916, 916, 916, 916, 916, 916, 916, 916, 916, 
-    916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 916, 
-    916, 916, 916, 916, 916, 916, 916, 916, 1444, 
+    120, 120, 120, 120, 120, 1340, 128, 128, 128, 1341, 1342, 1343, 1344, 
+    1345, 1346, 1341, 1347, 1341, 1343, 1343, 1348, 128, 1349, 128, 1350, 
+    1351, 1349, 128, 1350, 120, 120, 120, 120, 120, 120, 1352, 120, 1353, 
+    1354, 1354, 1354, 1354, 1355, 1354, 1354, 1354, 1354, 1354, 1354, 1354, 
+    1354, 1354, 1354, 1354, 1354, 1355, 1356, 1354, 1357, 1358, 1354, 1358, 
+    1359, 1358, 1354, 1354, 1354, 1360, 1356, 619, 1361, 621, 621, 621, 1362, 
+    621, 621, 621, 621, 621, 621, 621, 1363, 621, 621, 621, 1364, 1365, 1366, 
+    621, 1367, 1356, 1356, 1356, 1356, 1356, 1356, 1368, 1369, 1369, 1369, 
+    1370, 1356, 758, 758, 758, 758, 758, 1371, 758, 1372, 1373, 1356, 1374, 
+    1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 
+    1356, 1356, 1356, 1356, 1356, 1356, 1356, 725, 725, 725, 725, 1375, 1376, 
+    1377, 725, 725, 725, 725, 725, 725, 725, 725, 1378, 1379, 725, 1380, 
+    1381, 725, 725, 1382, 1383, 1384, 1385, 1380, 1354, 725, 725, 1386, 1387, 
+    725, 725, 725, 725, 725, 725, 725, 1388, 1389, 1390, 1391, 725, 1392, 
+    1393, 1390, 1394, 1395, 725, 725, 725, 1396, 1397, 1398, 725, 725, 725, 
+    725, 725, 725, 725, 725, 1399, 1400, 725, 1401, 642, 1402, 725, 1403, 
+    1404, 580, 1405, 725, 725, 725, 1354, 1406, 1407, 1354, 1354, 1408, 1354, 
+    1353, 1354, 1354, 1354, 1354, 1354, 1409, 1410, 1354, 1354, 1409, 1411, 
+    725, 725, 725, 725, 725, 725, 725, 725, 1412, 1413, 580, 580, 580, 580, 
+    1414, 1415, 725, 725, 725, 725, 1416, 725, 1417, 725, 1418, 1419, 1420, 
+    1356, 1354, 1421, 1422, 1423, 580, 580, 580, 580, 580, 580, 580, 580, 
+    580, 580, 580, 580, 580, 580, 1424, 1356, 580, 580, 580, 580, 580, 580, 
+    580, 580, 580, 580, 1425, 1356, 1356, 1356, 1356, 1356, 580, 1424, 580, 
+    580, 580, 580, 580, 580, 580, 1356, 580, 1426, 580, 580, 580, 580, 580, 
+    1356, 580, 580, 580, 1427, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 
+    1356, 1356, 1356, 580, 1424, 725, 1428, 1429, 725, 1390, 1430, 725, 1431, 
+    725, 725, 725, 1432, 1356, 1356, 725, 725, 725, 1356, 1356, 1356, 1356, 
+    1356, 1423, 1356, 1433, 1434, 1435, 1356, 1356, 1356, 1356, 1356, 1356, 
+    1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 
+    1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 
+    1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 
+    1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 
+    1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 1356, 
+    1436, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 
+    776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 1437, 
+    778, 778, 778, 778, 778, 776, 776, 776, 776, 776, 776, 1438, 778, 776, 
+    776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 
+    776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 777, 776, 
+    776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 
+    776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 
+    776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 
+    776, 776, 776, 776, 776, 886, 778, 776, 776, 776, 776, 776, 776, 776, 
+    776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 
+    776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, 
+    776, 776, 776, 1439, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 
+    778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 
+    778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 776, 776, 776, 
+    777, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 
+    778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 
+    778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 
+    778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, 
+    778, 778, 778, 778, 1440, 1441, 120, 120, 120, 1442, 1442, 1442, 1442, 
+    1442, 1442, 1442, 1442, 1442, 1442, 1442, 1442, 120, 120, 120, 120, 120, 
+    120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 901, 901, 901, 
+    901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 
+    901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 901, 120, 
+    120, 885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 
+    885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 885, 
+    885, 885, 885, 885, 1443, 
 };
 
 static const unsigned short index2[] = {
     1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 1, 1, 1, 1, 1, 1, 7, 7, 7, 8, 
     9, 10, 11, 12, 13, 14, 15, 11, 16, 17, 15, 18, 19, 20, 19, 21, 22, 22, 
-    22, 22, 22, 22, 22, 22, 22, 22, 19, 23, 24, 25, 24, 10, 15, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 16, 27, 17, 
-    28, 29, 28, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 
-    30, 30, 30, 16, 31, 32, 25, 1, 1, 1, 1, 1, 1, 33, 1, 1, 34, 35, 36, 13, 
-    37, 13, 38, 39, 40, 41, 42, 43, 25, 44, 45, 28, 46, 47, 48, 48, 49, 50, 
-    39, 39, 40, 48, 42, 51, 52, 52, 52, 35, 53, 53, 53, 53, 53, 53, 54, 53, 
-    53, 53, 53, 53, 53, 53, 53, 53, 54, 53, 53, 53, 53, 53, 53, 55, 54, 53, 
-    53, 53, 53, 53, 54, 56, 56, 56, 57, 57, 57, 57, 56, 57, 56, 56, 56, 57, 
-    56, 56, 57, 57, 56, 57, 56, 56, 57, 57, 57, 55, 56, 56, 56, 57, 56, 57, 
-    56, 57, 53, 56, 53, 57, 53, 57, 53, 57, 53, 57, 53, 57, 53, 57, 53, 57, 
-    53, 56, 53, 56, 53, 57, 53, 57, 53, 57, 53, 56, 53, 57, 53, 57, 53, 57, 
-    53, 57, 53, 57, 54, 56, 53, 56, 54, 56, 53, 57, 53, 57, 56, 53, 57, 53, 
-    57, 53, 57, 54, 56, 54, 56, 53, 56, 53, 57, 53, 56, 56, 54, 56, 53, 56, 
-    53, 57, 53, 57, 54, 56, 53, 57, 53, 57, 53, 53, 57, 53, 57, 53, 57, 57, 
-    57, 53, 53, 57, 53, 57, 53, 53, 57, 53, 53, 53, 57, 57, 53, 53, 53, 53, 
-    57, 53, 53, 57, 53, 53, 53, 57, 57, 57, 53, 53, 57, 53, 53, 57, 53, 57, 
-    53, 57, 53, 53, 57, 53, 57, 57, 53, 57, 53, 53, 57, 53, 53, 53, 57, 53, 
-    57, 53, 53, 57, 57, 58, 53, 57, 57, 57, 58, 58, 58, 58, 53, 59, 57, 53, 
-    59, 57, 53, 59, 57, 53, 56, 53, 56, 53, 56, 53, 56, 53, 56, 53, 56, 53, 
-    56, 53, 56, 57, 53, 57, 57, 53, 59, 57, 53, 57, 53, 53, 53, 57, 53, 57, 
-    57, 57, 57, 57, 57, 57, 53, 53, 57, 53, 53, 57, 57, 53, 57, 53, 53, 53, 
-    53, 57, 57, 56, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 
-    57, 57, 57, 57, 58, 57, 57, 57, 60, 60, 60, 60, 60, 60, 60, 60, 60, 61, 
-    61, 62, 62, 62, 62, 62, 62, 62, 63, 63, 64, 63, 61, 65, 66, 65, 65, 65, 
-    66, 65, 61, 61, 67, 62, 63, 63, 63, 63, 63, 63, 40, 40, 40, 40, 63, 40, 
-    63, 49, 60, 60, 60, 60, 60, 63, 63, 63, 63, 63, 68, 68, 61, 63, 62, 63, 
-    63, 63, 63, 63, 63, 63, 63, 63, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 
-    69, 69, 69, 70, 71, 71, 71, 71, 70, 72, 71, 71, 71, 71, 71, 73, 73, 71, 
-    71, 71, 71, 73, 73, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 74, 74, 
-    74, 74, 74, 71, 71, 71, 71, 69, 69, 69, 69, 69, 69, 69, 69, 75, 69, 71, 
-    71, 71, 69, 69, 69, 71, 71, 76, 69, 69, 69, 71, 71, 71, 71, 69, 70, 71, 
-    71, 69, 77, 78, 78, 77, 78, 78, 77, 69, 69, 69, 69, 69, 79, 80, 79, 80, 
-    61, 81, 79, 80, 82, 82, 83, 80, 80, 80, 84, 79, 82, 82, 82, 82, 81, 63, 
-    79, 85, 79, 79, 79, 82, 79, 82, 79, 79, 80, 86, 86, 86, 86, 86, 86, 86, 
-    86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 82, 86, 86, 86, 86, 86, 86, 86, 
-    79, 79, 80, 80, 80, 80, 80, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 
-    87, 87, 87, 87, 87, 87, 80, 87, 87, 87, 87, 87, 87, 87, 80, 80, 80, 80, 
-    80, 79, 80, 80, 79, 79, 79, 80, 80, 80, 79, 80, 79, 80, 79, 80, 79, 80, 
-    79, 80, 88, 89, 88, 89, 88, 89, 88, 89, 88, 89, 88, 89, 88, 89, 80, 80, 
-    80, 80, 79, 80, 90, 79, 80, 79, 79, 80, 80, 79, 79, 79, 91, 92, 91, 91, 
-    91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 92, 92, 92, 92, 92, 92, 
-    92, 92, 93, 93, 93, 93, 93, 93, 93, 93, 94, 93, 94, 94, 94, 94, 94, 94, 
-    94, 94, 94, 94, 94, 94, 94, 94, 91, 94, 91, 94, 91, 94, 91, 94, 91, 94, 
-    95, 96, 96, 97, 97, 96, 98, 98, 91, 94, 91, 94, 91, 94, 91, 91, 94, 91, 
-    94, 91, 94, 91, 94, 91, 94, 91, 94, 91, 94, 94, 82, 99, 99, 99, 99, 99, 
-    99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 82, 
-    82, 100, 101, 101, 101, 101, 101, 101, 82, 102, 102, 102, 102, 102, 102, 
-    102, 102, 102, 102, 102, 102, 102, 102, 102, 82, 103, 104, 82, 82, 105, 
-    105, 106, 82, 107, 108, 108, 108, 108, 107, 108, 108, 108, 109, 107, 108, 
-    108, 108, 108, 108, 108, 107, 107, 107, 107, 107, 107, 108, 108, 107, 
-    108, 108, 109, 110, 108, 111, 112, 113, 114, 115, 116, 117, 118, 119, 
-    120, 120, 121, 122, 123, 124, 125, 126, 127, 128, 126, 108, 107, 129, 
-    119, 82, 82, 82, 82, 82, 82, 82, 82, 130, 130, 130, 130, 130, 130, 130, 
-    130, 130, 130, 130, 82, 82, 82, 82, 82, 130, 130, 130, 126, 126, 82, 82, 
-    82, 131, 131, 131, 131, 131, 132, 133, 133, 134, 135, 135, 136, 137, 138, 
-    139, 139, 140, 140, 140, 140, 140, 140, 140, 140, 141, 142, 143, 144, 
-    145, 82, 146, 144, 147, 147, 147, 147, 147, 147, 147, 147, 148, 147, 147, 
-    147, 147, 147, 147, 147, 147, 147, 147, 149, 150, 151, 152, 153, 154, 
-    155, 156, 97, 97, 157, 158, 140, 140, 140, 140, 140, 158, 140, 140, 158, 
-    159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 135, 160, 160, 161, 
-    147, 147, 162, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 
-    146, 147, 140, 140, 140, 140, 140, 140, 140, 132, 139, 140, 140, 140, 
-    140, 158, 140, 163, 163, 140, 140, 139, 158, 140, 140, 158, 147, 147, 
-    164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 147, 147, 147, 165, 
-    165, 147, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 
-    166, 166, 82, 167, 168, 169, 168, 168, 168, 168, 168, 168, 168, 168, 168, 
-    168, 168, 168, 168, 168, 170, 171, 170, 170, 171, 170, 170, 171, 171, 
-    171, 170, 171, 171, 170, 171, 170, 170, 170, 171, 170, 171, 170, 171, 
-    170, 171, 170, 170, 82, 82, 168, 168, 168, 172, 172, 172, 172, 172, 172, 
-    172, 172, 172, 172, 172, 172, 172, 172, 173, 173, 173, 173, 173, 173, 
-    173, 173, 173, 173, 173, 172, 82, 82, 82, 82, 82, 82, 174, 174, 174, 174, 
-    174, 174, 174, 174, 174, 174, 175, 175, 175, 175, 175, 175, 175, 175, 
-    175, 175, 175, 175, 175, 175, 175, 175, 175, 176, 176, 176, 176, 176, 
-    176, 176, 177, 176, 178, 178, 179, 180, 181, 182, 178, 82, 82, 82, 82, 
-    82, 183, 183, 183, 183, 183, 183, 183, 183, 183, 183, 183, 183, 183, 183, 
-    184, 184, 184, 184, 185, 184, 184, 184, 184, 184, 184, 184, 184, 184, 
-    185, 184, 184, 184, 185, 184, 184, 184, 184, 184, 82, 82, 186, 186, 186, 
-    186, 186, 186, 186, 186, 186, 186, 186, 186, 186, 186, 186, 82, 187, 187, 
-    187, 187, 187, 187, 187, 187, 187, 188, 188, 188, 82, 82, 189, 82, 147, 
-    147, 147, 147, 147, 82, 147, 147, 147, 147, 147, 147, 147, 147, 82, 82, 
-    82, 82, 82, 82, 140, 140, 140, 140, 140, 140, 132, 158, 140, 140, 158, 
-    140, 140, 158, 140, 140, 140, 158, 158, 158, 190, 191, 192, 140, 140, 
-    140, 158, 140, 140, 158, 158, 140, 140, 140, 140, 140, 193, 193, 193, 
-    194, 195, 195, 195, 195, 195, 195, 195, 195, 195, 195, 195, 195, 195, 
-    195, 193, 194, 196, 195, 194, 194, 194, 193, 193, 193, 193, 193, 193, 
-    193, 193, 194, 194, 194, 194, 197, 194, 194, 195, 97, 157, 198, 198, 193, 
-    193, 193, 195, 195, 193, 193, 199, 199, 200, 200, 200, 200, 200, 200, 
-    200, 200, 200, 200, 201, 202, 195, 195, 195, 195, 195, 195, 203, 204, 
-    205, 205, 82, 203, 203, 203, 203, 203, 203, 203, 203, 82, 82, 203, 203, 
-    82, 82, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 
-    203, 82, 203, 203, 203, 203, 203, 203, 203, 82, 203, 82, 82, 82, 203, 
-    203, 203, 203, 82, 82, 206, 203, 205, 205, 205, 204, 204, 204, 204, 82, 
-    82, 205, 205, 82, 82, 205, 205, 207, 203, 82, 82, 82, 82, 82, 82, 82, 82, 
-    205, 82, 82, 82, 82, 203, 203, 82, 203, 203, 203, 204, 204, 82, 82, 208, 
-    208, 208, 208, 208, 208, 208, 208, 208, 208, 203, 203, 209, 209, 210, 
-    210, 210, 210, 210, 211, 212, 213, 82, 82, 82, 82, 82, 214, 214, 215, 82, 
-    216, 216, 216, 216, 216, 216, 82, 82, 82, 82, 216, 216, 82, 82, 216, 216, 
-    216, 216, 216, 216, 216, 216, 216, 216, 216, 216, 216, 216, 82, 216, 216, 
-    216, 216, 216, 216, 216, 82, 216, 216, 82, 216, 216, 82, 216, 216, 82, 
-    82, 217, 82, 215, 215, 215, 214, 214, 82, 82, 82, 82, 214, 214, 82, 82, 
-    214, 214, 218, 82, 82, 82, 214, 82, 82, 82, 82, 82, 82, 82, 216, 216, 
-    216, 216, 82, 216, 82, 82, 82, 82, 82, 82, 82, 219, 219, 219, 219, 219, 
-    219, 219, 219, 219, 219, 214, 214, 216, 216, 216, 214, 82, 82, 82, 220, 
-    220, 221, 82, 222, 222, 222, 222, 222, 222, 222, 222, 222, 82, 222, 222, 
-    222, 82, 222, 222, 222, 222, 222, 222, 222, 222, 222, 222, 222, 222, 222, 
-    222, 82, 222, 222, 222, 222, 222, 222, 222, 82, 222, 222, 82, 222, 222, 
-    222, 222, 222, 82, 82, 223, 222, 221, 221, 221, 220, 220, 220, 220, 220, 
-    82, 220, 220, 221, 82, 221, 221, 224, 82, 82, 222, 82, 82, 82, 82, 82, 
-    82, 82, 222, 222, 220, 220, 82, 82, 225, 225, 225, 225, 225, 225, 225, 
-    225, 225, 225, 226, 227, 82, 82, 82, 82, 82, 82, 82, 222, 82, 82, 82, 82, 
-    82, 82, 82, 228, 229, 229, 82, 230, 230, 230, 230, 230, 230, 230, 230, 
-    82, 82, 230, 230, 82, 82, 230, 230, 230, 230, 230, 230, 230, 230, 230, 
-    230, 230, 230, 230, 230, 82, 230, 230, 230, 230, 230, 230, 230, 82, 230, 
-    230, 82, 230, 230, 230, 230, 230, 82, 82, 231, 230, 229, 228, 229, 228, 
-    228, 228, 228, 82, 82, 229, 229, 82, 82, 229, 229, 232, 82, 82, 82, 82, 
-    82, 82, 82, 82, 228, 229, 82, 82, 82, 82, 230, 230, 82, 230, 230, 230, 
-    228, 228, 82, 82, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 234, 
-    230, 235, 235, 235, 235, 235, 235, 82, 82, 236, 237, 82, 237, 237, 237, 
-    237, 237, 237, 82, 82, 82, 237, 237, 237, 82, 237, 237, 237, 237, 82, 82, 
-    82, 237, 237, 82, 237, 82, 237, 237, 82, 82, 82, 237, 237, 82, 82, 82, 
-    237, 237, 237, 237, 237, 237, 237, 237, 237, 237, 82, 82, 82, 82, 238, 
-    238, 236, 238, 238, 82, 82, 82, 238, 238, 238, 82, 238, 238, 238, 239, 
-    82, 82, 237, 82, 82, 82, 82, 82, 82, 238, 82, 82, 82, 82, 82, 82, 240, 
-    240, 240, 240, 240, 240, 240, 240, 240, 240, 241, 241, 241, 242, 242, 
-    242, 242, 242, 242, 243, 242, 82, 82, 82, 82, 82, 244, 245, 245, 245, 82, 
-    246, 246, 246, 246, 246, 246, 246, 246, 82, 246, 246, 246, 82, 246, 246, 
-    246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 82, 
-    82, 82, 246, 244, 244, 244, 245, 245, 245, 245, 82, 244, 244, 244, 82, 
-    244, 244, 244, 247, 82, 82, 82, 82, 82, 82, 82, 248, 249, 82, 246, 246, 
-    246, 82, 82, 82, 82, 82, 246, 246, 244, 244, 82, 82, 250, 250, 250, 250, 
-    250, 250, 250, 250, 250, 250, 251, 251, 251, 251, 251, 251, 251, 252, 
-    253, 254, 255, 255, 82, 253, 253, 253, 253, 253, 253, 253, 253, 82, 253, 
-    253, 253, 82, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 
-    253, 253, 253, 253, 253, 253, 82, 253, 253, 253, 253, 253, 82, 82, 256, 
-    253, 255, 257, 255, 255, 255, 255, 255, 82, 257, 255, 255, 82, 255, 255, 
-    254, 258, 82, 82, 82, 82, 82, 82, 82, 255, 255, 82, 82, 82, 82, 82, 82, 
-    82, 253, 82, 253, 253, 254, 254, 82, 82, 259, 259, 259, 259, 259, 259, 
-    259, 259, 259, 259, 82, 253, 253, 82, 82, 82, 82, 82, 82, 260, 261, 261, 
-    82, 262, 262, 262, 262, 262, 262, 262, 262, 82, 262, 262, 262, 82, 262, 
-    262, 262, 262, 262, 262, 262, 262, 262, 262, 262, 262, 262, 262, 262, 
-    262, 262, 82, 82, 262, 261, 261, 261, 260, 260, 260, 260, 82, 261, 261, 
-    261, 82, 261, 261, 261, 263, 262, 264, 82, 82, 82, 82, 262, 262, 262, 
-    261, 265, 265, 265, 265, 265, 265, 265, 262, 262, 262, 260, 260, 82, 82, 
-    266, 266, 266, 266, 266, 266, 266, 266, 266, 266, 265, 265, 265, 265, 
-    265, 265, 265, 265, 265, 267, 262, 262, 262, 262, 262, 262, 82, 82, 268, 
-    268, 82, 269, 269, 269, 269, 269, 269, 269, 269, 269, 269, 269, 269, 269, 
-    269, 269, 269, 269, 269, 82, 82, 82, 269, 269, 269, 269, 269, 269, 269, 
-    269, 82, 269, 269, 269, 269, 269, 269, 269, 269, 269, 82, 269, 82, 82, 
-    82, 82, 270, 82, 82, 82, 82, 268, 268, 268, 271, 271, 271, 82, 271, 82, 
-    268, 268, 268, 268, 268, 268, 268, 268, 82, 82, 82, 82, 82, 82, 272, 272, 
-    272, 272, 272, 272, 272, 272, 272, 272, 82, 82, 268, 268, 273, 82, 82, 
-    82, 82, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
-    274, 274, 274, 275, 274, 274, 275, 275, 275, 275, 276, 276, 277, 82, 82, 
-    82, 82, 278, 274, 274, 274, 274, 274, 274, 279, 275, 280, 280, 280, 280, 
-    275, 275, 275, 281, 282, 282, 282, 282, 282, 282, 282, 282, 282, 282, 
-    283, 283, 82, 82, 82, 82, 82, 284, 284, 82, 284, 82, 82, 284, 284, 82, 
-    284, 82, 82, 284, 82, 82, 82, 82, 82, 82, 284, 284, 284, 284, 82, 284, 
-    284, 284, 284, 284, 284, 284, 82, 284, 284, 284, 82, 284, 82, 284, 82, 
-    82, 284, 284, 82, 284, 284, 284, 284, 285, 284, 284, 285, 285, 285, 285, 
-    286, 286, 82, 285, 285, 284, 82, 82, 284, 284, 284, 284, 284, 82, 287, 
-    82, 288, 288, 288, 288, 285, 285, 82, 82, 289, 289, 289, 289, 289, 289, 
-    289, 289, 289, 289, 82, 82, 284, 284, 284, 284, 290, 291, 291, 291, 292, 
-    293, 292, 292, 294, 292, 292, 295, 294, 296, 296, 296, 296, 296, 294, 
-    297, 296, 297, 297, 297, 298, 298, 297, 297, 297, 297, 297, 297, 299, 
-    299, 299, 299, 299, 299, 299, 299, 299, 299, 300, 300, 300, 300, 300, 
-    300, 300, 300, 300, 300, 301, 298, 297, 298, 297, 302, 303, 304, 303, 
-    304, 305, 305, 290, 290, 290, 290, 290, 290, 290, 290, 82, 290, 290, 290, 
-    290, 290, 290, 290, 290, 290, 290, 290, 290, 82, 82, 82, 82, 306, 307, 
-    308, 309, 308, 308, 308, 308, 308, 307, 307, 307, 307, 308, 310, 307, 
-    308, 311, 311, 312, 295, 311, 311, 290, 290, 290, 290, 290, 308, 308, 
-    308, 308, 308, 308, 308, 308, 308, 308, 308, 82, 308, 308, 308, 308, 308, 
-    308, 308, 308, 308, 308, 308, 308, 82, 301, 301, 297, 297, 297, 297, 297, 
-    297, 298, 297, 297, 297, 297, 297, 297, 82, 297, 297, 292, 292, 295, 292, 
-    293, 313, 313, 313, 313, 294, 294, 82, 82, 82, 82, 82, 314, 314, 314, 
-    314, 314, 314, 314, 314, 314, 314, 314, 315, 315, 316, 316, 316, 316, 
-    315, 316, 316, 316, 316, 316, 317, 315, 318, 318, 315, 315, 316, 316, 
-    314, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 320, 320, 321, 
-    321, 321, 321, 314, 314, 314, 314, 314, 314, 315, 315, 316, 316, 314, 
-    314, 314, 314, 316, 316, 316, 314, 315, 315, 315, 314, 314, 315, 315, 
-    315, 315, 315, 315, 315, 314, 314, 314, 316, 316, 316, 316, 314, 314, 
-    314, 314, 314, 316, 315, 315, 316, 316, 315, 315, 315, 315, 315, 315, 
-    322, 314, 315, 319, 319, 315, 315, 315, 316, 323, 323, 324, 324, 324, 
-    324, 324, 324, 324, 324, 324, 324, 324, 324, 324, 324, 82, 324, 82, 82, 
-    82, 82, 82, 324, 82, 82, 325, 325, 325, 325, 325, 325, 325, 325, 325, 
-    325, 325, 326, 327, 325, 325, 325, 328, 328, 328, 328, 328, 328, 328, 
-    328, 329, 329, 329, 329, 329, 329, 329, 329, 330, 330, 330, 330, 330, 
-    330, 330, 330, 331, 331, 331, 331, 331, 331, 331, 331, 331, 82, 331, 331, 
-    331, 331, 82, 82, 331, 331, 331, 331, 331, 331, 331, 82, 331, 331, 331, 
-    82, 82, 332, 332, 332, 333, 334, 333, 333, 333, 333, 333, 333, 333, 335, 
-    335, 335, 335, 335, 335, 335, 335, 335, 335, 335, 335, 335, 335, 335, 
-    335, 335, 335, 335, 335, 82, 82, 82, 336, 336, 336, 336, 336, 336, 336, 
-    336, 336, 336, 82, 82, 82, 82, 82, 82, 337, 337, 337, 337, 337, 337, 337, 
-    337, 337, 337, 337, 337, 337, 337, 82, 82, 338, 338, 338, 338, 338, 338, 
-    82, 82, 339, 340, 340, 340, 340, 340, 340, 340, 340, 340, 340, 340, 340, 
-    340, 340, 340, 340, 340, 340, 340, 340, 341, 341, 340, 342, 343, 343, 
-    343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 
-    343, 343, 344, 345, 82, 82, 82, 346, 346, 346, 346, 346, 346, 346, 346, 
-    346, 346, 346, 199, 199, 199, 347, 347, 347, 346, 346, 346, 346, 346, 
-    346, 346, 346, 82, 82, 82, 82, 82, 82, 82, 348, 348, 348, 348, 348, 348, 
-    348, 348, 348, 348, 348, 348, 348, 82, 348, 348, 348, 348, 349, 349, 350, 
-    82, 82, 82, 351, 351, 351, 351, 351, 351, 351, 351, 351, 351, 352, 352, 
-    353, 199, 199, 82, 354, 354, 354, 354, 354, 354, 354, 354, 354, 354, 355, 
-    355, 82, 82, 82, 82, 356, 356, 356, 356, 356, 356, 356, 356, 356, 356, 
-    356, 356, 356, 82, 356, 356, 356, 82, 357, 357, 82, 82, 82, 82, 358, 358, 
-    358, 358, 358, 358, 358, 358, 358, 358, 358, 358, 359, 359, 360, 359, 
-    359, 359, 359, 359, 359, 359, 360, 360, 360, 360, 360, 360, 360, 360, 
-    359, 360, 360, 359, 359, 359, 359, 359, 359, 359, 359, 359, 361, 359, 
-    362, 362, 363, 364, 362, 365, 362, 366, 358, 367, 82, 82, 368, 368, 368, 
-    368, 368, 368, 368, 368, 368, 368, 82, 82, 82, 82, 82, 82, 369, 369, 369, 
-    369, 369, 369, 369, 369, 369, 369, 82, 82, 82, 82, 82, 82, 370, 370, 371, 
-    371, 372, 373, 374, 370, 375, 375, 370, 376, 376, 376, 377, 82, 378, 378, 
-    378, 378, 378, 378, 378, 378, 378, 378, 82, 82, 82, 82, 82, 82, 379, 379, 
-    379, 379, 379, 379, 379, 379, 379, 379, 379, 380, 379, 379, 379, 379, 
-    379, 379, 379, 379, 379, 376, 376, 379, 379, 381, 379, 82, 82, 82, 82, 
-    82, 340, 340, 340, 340, 340, 340, 82, 82, 382, 382, 382, 382, 382, 382, 
-    382, 382, 382, 382, 382, 382, 382, 382, 382, 82, 383, 383, 383, 384, 384, 
-    384, 384, 383, 383, 384, 384, 384, 82, 82, 82, 82, 384, 384, 383, 384, 
-    384, 384, 384, 384, 384, 385, 386, 387, 82, 82, 82, 82, 388, 82, 82, 82, 
-    389, 389, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 391, 391, 
-    391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 82, 82, 391, 
-    391, 391, 391, 391, 82, 82, 82, 392, 392, 392, 392, 392, 392, 392, 392, 
-    392, 392, 392, 392, 82, 82, 82, 82, 392, 392, 82, 82, 82, 82, 82, 82, 
-    393, 393, 393, 393, 393, 393, 393, 393, 393, 393, 394, 82, 82, 82, 395, 
-    395, 396, 396, 396, 396, 396, 396, 396, 396, 397, 397, 397, 397, 397, 
-    397, 397, 397, 397, 397, 397, 397, 397, 397, 397, 398, 399, 400, 400, 
-    401, 82, 82, 402, 402, 403, 403, 403, 403, 403, 403, 403, 403, 403, 403, 
-    403, 403, 403, 404, 405, 404, 405, 405, 405, 405, 405, 405, 405, 82, 406, 
-    404, 405, 404, 404, 405, 405, 405, 405, 405, 405, 405, 405, 404, 404, 
-    404, 404, 404, 404, 405, 405, 407, 407, 407, 407, 407, 407, 407, 407, 82, 
-    82, 408, 409, 409, 409, 409, 409, 409, 409, 409, 409, 409, 82, 82, 82, 
-    82, 82, 82, 410, 410, 410, 410, 410, 410, 410, 411, 410, 410, 410, 410, 
-    410, 410, 82, 82, 97, 97, 97, 97, 97, 157, 157, 157, 157, 157, 157, 97, 
-    97, 157, 412, 82, 413, 413, 413, 413, 414, 415, 415, 415, 415, 415, 415, 
-    415, 415, 415, 415, 415, 415, 415, 415, 415, 416, 414, 413, 413, 413, 
-    413, 413, 414, 413, 414, 414, 414, 414, 414, 413, 414, 417, 415, 415, 
-    415, 415, 415, 415, 415, 82, 82, 82, 82, 418, 418, 418, 418, 418, 418, 
-    418, 418, 418, 418, 419, 419, 420, 419, 419, 419, 419, 421, 421, 421, 
-    421, 421, 421, 421, 421, 421, 421, 422, 423, 422, 422, 422, 422, 422, 
-    422, 422, 421, 421, 421, 421, 421, 421, 421, 421, 421, 82, 82, 82, 424, 
-    424, 425, 426, 426, 426, 426, 426, 426, 426, 426, 426, 426, 426, 426, 
-    426, 426, 425, 424, 424, 424, 424, 425, 425, 424, 424, 427, 428, 424, 
-    424, 426, 426, 429, 429, 429, 429, 429, 429, 429, 429, 429, 429, 426, 
-    426, 426, 426, 426, 426, 430, 430, 430, 430, 430, 430, 430, 430, 430, 
-    430, 430, 430, 430, 430, 431, 432, 433, 433, 432, 432, 432, 433, 432, 
-    433, 433, 433, 434, 434, 82, 82, 82, 82, 82, 82, 82, 82, 435, 435, 435, 
-    435, 436, 436, 436, 436, 436, 436, 436, 436, 436, 436, 436, 436, 437, 
-    437, 437, 437, 437, 437, 437, 437, 438, 438, 438, 438, 438, 438, 438, 
-    438, 437, 437, 438, 439, 82, 82, 82, 440, 440, 440, 440, 440, 441, 441, 
-    441, 441, 441, 441, 441, 441, 441, 441, 82, 82, 82, 436, 436, 436, 442, 
-    442, 442, 442, 442, 442, 442, 442, 442, 442, 443, 443, 443, 443, 443, 
-    443, 443, 443, 443, 443, 443, 443, 443, 443, 444, 444, 444, 444, 444, 
-    444, 445, 445, 94, 82, 82, 82, 82, 82, 82, 82, 446, 446, 446, 446, 446, 
-    446, 446, 446, 97, 97, 97, 326, 447, 157, 157, 157, 157, 157, 97, 97, 
-    157, 157, 157, 157, 97, 448, 447, 447, 447, 447, 447, 447, 447, 449, 449, 
-    449, 449, 157, 449, 449, 449, 449, 448, 448, 97, 449, 449, 82, 97, 97, 
-    82, 82, 82, 82, 82, 82, 57, 57, 57, 57, 57, 57, 80, 80, 80, 80, 80, 94, 
-    60, 60, 60, 60, 60, 60, 60, 60, 60, 83, 83, 83, 83, 83, 60, 60, 60, 60, 
-    83, 83, 83, 83, 83, 57, 57, 57, 57, 57, 450, 57, 57, 57, 57, 57, 57, 57, 
-    57, 57, 57, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 83, 97, 97, 
-    157, 97, 97, 97, 97, 97, 97, 97, 157, 97, 97, 451, 452, 157, 453, 97, 97, 
-    97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 
-    97, 82, 82, 82, 82, 82, 97, 454, 157, 97, 157, 53, 57, 53, 57, 53, 57, 
-    57, 57, 57, 57, 57, 57, 57, 57, 53, 57, 80, 80, 80, 80, 80, 80, 80, 80, 
-    79, 79, 79, 79, 79, 79, 79, 79, 80, 80, 80, 80, 80, 80, 82, 82, 79, 79, 
-    79, 79, 79, 79, 82, 82, 82, 79, 82, 79, 82, 79, 82, 79, 455, 455, 455, 
-    455, 455, 455, 455, 455, 80, 80, 80, 80, 80, 82, 80, 80, 79, 79, 79, 79, 
-    455, 81, 80, 81, 81, 81, 80, 80, 80, 82, 80, 80, 79, 79, 79, 79, 455, 81, 
-    81, 81, 80, 80, 80, 80, 82, 82, 80, 80, 79, 79, 79, 79, 82, 81, 81, 81, 
-    79, 79, 79, 79, 79, 81, 81, 81, 82, 82, 80, 80, 80, 82, 80, 80, 79, 79, 
-    79, 79, 455, 456, 81, 82, 457, 457, 457, 457, 457, 457, 457, 458, 457, 
-    457, 457, 459, 460, 461, 462, 463, 464, 465, 466, 464, 467, 468, 39, 85, 
-    469, 470, 471, 472, 469, 470, 471, 472, 39, 39, 473, 85, 474, 474, 474, 
-    475, 476, 477, 478, 479, 480, 481, 482, 34, 483, 484, 483, 483, 484, 485, 
-    486, 486, 85, 43, 51, 39, 487, 487, 473, 488, 488, 85, 85, 85, 489, 490, 
-    491, 487, 487, 487, 85, 85, 85, 85, 85, 85, 85, 85, 492, 85, 488, 85, 
-    373, 85, 373, 373, 373, 373, 85, 373, 373, 457, 493, 494, 494, 494, 494, 
-    82, 495, 496, 497, 498, 499, 499, 499, 499, 499, 499, 500, 60, 82, 82, 
-    48, 500, 500, 500, 500, 500, 501, 501, 492, 490, 491, 502, 500, 48, 48, 
-    48, 48, 500, 500, 500, 500, 500, 501, 501, 492, 490, 491, 82, 60, 60, 60, 
-    60, 60, 82, 82, 82, 278, 278, 278, 278, 278, 278, 278, 503, 278, 504, 
-    278, 278, 37, 278, 278, 278, 278, 278, 278, 278, 278, 278, 503, 278, 278, 
-    278, 278, 503, 278, 278, 503, 505, 505, 505, 505, 505, 505, 505, 505, 
-    505, 97, 97, 447, 447, 97, 97, 97, 97, 447, 447, 447, 97, 97, 412, 412, 
-    412, 412, 97, 412, 412, 412, 447, 447, 97, 157, 97, 447, 447, 157, 157, 
-    157, 157, 97, 82, 82, 82, 82, 82, 82, 82, 41, 41, 506, 507, 41, 508, 41, 
-    506, 41, 507, 50, 506, 506, 506, 50, 50, 506, 506, 506, 509, 41, 506, 
-    510, 41, 492, 506, 506, 506, 506, 506, 41, 41, 41, 508, 508, 41, 506, 41, 
-    86, 41, 506, 41, 53, 511, 506, 506, 512, 50, 506, 506, 53, 506, 50, 449, 
-    449, 449, 449, 50, 41, 41, 50, 50, 506, 506, 513, 492, 492, 492, 492, 
-    506, 50, 50, 50, 50, 41, 492, 41, 41, 57, 313, 514, 514, 514, 515, 52, 
-    516, 514, 514, 514, 514, 514, 52, 515, 515, 52, 514, 517, 517, 517, 517, 
-    517, 517, 517, 517, 517, 517, 517, 517, 518, 518, 518, 518, 517, 517, 
-    518, 518, 518, 518, 518, 518, 518, 518, 518, 53, 57, 518, 518, 518, 518, 
-    52, 41, 41, 82, 82, 82, 82, 55, 55, 55, 55, 55, 508, 508, 508, 508, 508, 
-    492, 492, 41, 41, 41, 41, 492, 41, 41, 492, 41, 41, 492, 41, 41, 41, 41, 
-    41, 41, 41, 492, 41, 41, 41, 41, 41, 41, 41, 41, 41, 45, 45, 41, 41, 41, 
-    41, 41, 41, 41, 41, 41, 41, 41, 41, 492, 492, 41, 41, 55, 41, 55, 41, 41, 
-    41, 41, 41, 41, 41, 41, 41, 41, 45, 41, 41, 41, 41, 492, 492, 492, 492, 
-    492, 492, 492, 492, 492, 492, 492, 492, 55, 513, 519, 519, 513, 492, 492, 
-    55, 519, 513, 513, 519, 513, 513, 492, 55, 492, 519, 520, 521, 492, 519, 
-    513, 492, 492, 492, 519, 513, 513, 519, 55, 519, 519, 513, 513, 55, 513, 
-    55, 513, 55, 55, 55, 55, 519, 519, 513, 519, 513, 513, 513, 513, 513, 55, 
-    55, 55, 55, 492, 513, 492, 513, 519, 519, 513, 513, 513, 513, 513, 513, 
-    513, 513, 513, 513, 519, 513, 513, 513, 519, 492, 492, 492, 492, 492, 
-    519, 513, 513, 513, 492, 492, 492, 492, 492, 492, 492, 492, 492, 513, 
-    519, 55, 513, 492, 519, 519, 519, 519, 513, 513, 519, 519, 492, 492, 519, 
-    519, 513, 513, 519, 519, 513, 513, 519, 519, 513, 513, 513, 513, 513, 
-    492, 492, 513, 513, 513, 513, 492, 492, 55, 492, 492, 513, 55, 492, 492, 
-    492, 492, 492, 492, 492, 492, 513, 513, 492, 55, 513, 513, 513, 492, 492, 
-    492, 492, 492, 513, 519, 492, 513, 513, 513, 513, 513, 492, 492, 513, 
-    513, 492, 492, 492, 492, 513, 513, 513, 513, 513, 513, 513, 513, 492, 
-    522, 490, 491, 490, 491, 41, 41, 41, 41, 41, 41, 508, 41, 41, 41, 41, 41, 
-    41, 41, 523, 523, 41, 41, 41, 41, 513, 513, 41, 41, 41, 41, 41, 41, 41, 
-    524, 525, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 313, 313, 313, 313, 
-    313, 313, 313, 313, 313, 313, 313, 313, 313, 41, 492, 41, 41, 41, 41, 41, 
-    41, 41, 41, 313, 41, 41, 41, 41, 41, 492, 492, 492, 492, 492, 492, 492, 
-    492, 492, 41, 41, 41, 41, 492, 492, 41, 41, 41, 41, 41, 41, 41, 526, 526, 
-    526, 526, 41, 41, 41, 523, 527, 527, 523, 41, 41, 41, 41, 41, 41, 41, 41, 
-    41, 41, 41, 82, 41, 41, 41, 82, 82, 82, 82, 82, 52, 52, 52, 52, 52, 52, 
-    52, 52, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 528, 528, 528, 
-    528, 528, 528, 528, 528, 528, 528, 528, 528, 528, 528, 516, 52, 52, 52, 
-    52, 52, 52, 52, 52, 52, 52, 52, 52, 515, 508, 508, 508, 508, 508, 508, 
-    508, 508, 508, 508, 508, 508, 41, 41, 41, 41, 508, 508, 508, 508, 529, 
-    41, 41, 41, 41, 41, 508, 508, 508, 508, 41, 41, 508, 508, 41, 508, 508, 
-    508, 508, 508, 508, 508, 41, 41, 41, 41, 41, 41, 41, 41, 508, 508, 41, 
-    41, 508, 55, 41, 41, 41, 41, 508, 508, 41, 41, 508, 55, 41, 41, 41, 41, 
-    508, 508, 508, 41, 41, 508, 41, 41, 508, 508, 41, 41, 41, 41, 41, 41, 41, 
-    508, 492, 492, 492, 492, 492, 530, 530, 492, 527, 527, 527, 527, 41, 508, 
-    508, 41, 41, 508, 41, 41, 41, 41, 508, 508, 41, 41, 41, 41, 523, 523, 
-    529, 529, 527, 41, 527, 527, 531, 532, 531, 527, 41, 527, 527, 527, 41, 
-    41, 41, 41, 508, 41, 508, 41, 41, 41, 41, 41, 526, 526, 526, 526, 526, 
-    526, 526, 526, 526, 526, 526, 526, 41, 41, 41, 41, 508, 508, 41, 508, 
-    508, 508, 41, 508, 531, 508, 508, 41, 508, 508, 41, 55, 41, 41, 41, 41, 
-    41, 41, 41, 523, 41, 41, 41, 526, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 
-    508, 508, 41, 526, 41, 41, 41, 41, 41, 41, 41, 41, 526, 526, 313, 41, 41, 
-    41, 41, 41, 41, 41, 41, 523, 523, 531, 527, 527, 527, 527, 523, 523, 531, 
-    531, 531, 508, 508, 508, 508, 531, 526, 531, 531, 531, 508, 531, 523, 
-    508, 508, 508, 531, 531, 508, 508, 531, 508, 508, 531, 531, 531, 41, 508, 
-    41, 41, 41, 41, 508, 508, 523, 508, 508, 508, 508, 508, 508, 531, 523, 
-    523, 531, 523, 508, 531, 531, 533, 523, 508, 508, 523, 531, 531, 527, 
-    527, 527, 527, 527, 526, 41, 41, 527, 527, 534, 534, 532, 532, 41, 41, 
-    526, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 45, 41, 41, 41, 41, 
-    41, 41, 526, 41, 526, 41, 41, 41, 41, 526, 526, 526, 41, 535, 41, 41, 41, 
-    536, 536, 536, 536, 536, 536, 41, 537, 537, 527, 41, 41, 41, 490, 491, 
-    490, 491, 490, 491, 490, 491, 490, 491, 490, 491, 490, 491, 52, 52, 516, 
-    516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 41, 526, 526, 526, 
-    41, 41, 41, 41, 41, 41, 41, 526, 513, 492, 492, 513, 513, 490, 491, 492, 
-    513, 513, 492, 513, 513, 513, 492, 492, 492, 492, 492, 513, 513, 513, 
-    513, 492, 492, 492, 492, 492, 513, 513, 513, 492, 492, 492, 513, 513, 
-    513, 513, 16, 32, 16, 32, 16, 32, 16, 32, 490, 491, 538, 538, 538, 538, 
-    538, 538, 538, 538, 492, 492, 492, 490, 491, 16, 32, 490, 491, 490, 491, 
-    490, 491, 490, 491, 490, 491, 492, 492, 513, 513, 513, 513, 513, 513, 
-    492, 492, 492, 492, 492, 492, 492, 513, 513, 513, 513, 513, 513, 492, 
-    492, 492, 513, 492, 492, 492, 492, 513, 513, 513, 513, 513, 492, 513, 
-    513, 492, 492, 490, 491, 490, 491, 513, 492, 492, 492, 492, 513, 492, 
-    513, 513, 513, 492, 492, 513, 513, 492, 492, 492, 492, 492, 492, 492, 
-    492, 492, 492, 513, 513, 513, 513, 513, 513, 492, 492, 490, 491, 492, 
-    492, 492, 492, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 
-    492, 513, 513, 513, 513, 492, 492, 513, 492, 513, 492, 492, 513, 492, 
-    513, 513, 513, 513, 492, 492, 492, 492, 492, 513, 513, 492, 492, 492, 
-    492, 513, 513, 513, 513, 492, 513, 513, 492, 492, 513, 513, 492, 492, 
-    492, 492, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 492, 
-    492, 513, 513, 513, 513, 513, 513, 513, 513, 492, 513, 513, 513, 513, 
-    513, 513, 513, 513, 492, 492, 492, 492, 492, 513, 492, 513, 492, 492, 
-    492, 513, 513, 513, 513, 513, 492, 492, 492, 492, 513, 492, 492, 492, 
-    513, 513, 513, 513, 513, 492, 513, 492, 492, 41, 41, 41, 526, 526, 41, 
-    41, 41, 492, 492, 492, 492, 492, 41, 41, 492, 492, 492, 492, 492, 492, 
-    41, 41, 41, 526, 41, 41, 41, 41, 535, 508, 508, 41, 41, 41, 41, 82, 82, 
-    41, 41, 41, 41, 41, 41, 41, 41, 82, 82, 41, 41, 82, 82, 82, 41, 41, 41, 
-    41, 82, 41, 41, 41, 41, 41, 41, 41, 41, 82, 82, 82, 82, 82, 82, 82, 82, 
-    82, 82, 41, 41, 41, 41, 539, 539, 539, 539, 539, 539, 539, 539, 539, 539, 
-    539, 539, 539, 539, 539, 82, 540, 540, 540, 540, 540, 540, 540, 540, 540, 
-    540, 540, 540, 540, 540, 540, 82, 53, 57, 53, 53, 53, 57, 57, 53, 57, 53, 
-    57, 53, 57, 53, 53, 53, 53, 57, 53, 57, 57, 53, 57, 57, 57, 57, 57, 57, 
-    60, 60, 53, 53, 88, 89, 88, 89, 89, 541, 541, 541, 541, 541, 541, 88, 89, 
-    88, 89, 542, 542, 542, 88, 89, 82, 82, 82, 82, 82, 543, 544, 544, 544, 
-    545, 543, 544, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 
-    546, 546, 546, 82, 546, 82, 82, 82, 82, 82, 546, 82, 82, 547, 547, 547, 
-    547, 547, 547, 547, 547, 82, 82, 82, 82, 82, 82, 82, 548, 549, 82, 82, 
-    82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 550, 96, 96, 96, 96, 96, 
-    96, 96, 96, 551, 551, 43, 51, 43, 51, 551, 551, 551, 43, 51, 551, 43, 51, 
-    373, 373, 373, 373, 373, 373, 373, 373, 85, 466, 552, 373, 553, 85, 43, 
-    51, 85, 85, 43, 51, 490, 491, 490, 491, 490, 491, 490, 491, 373, 373, 
-    373, 373, 371, 61, 373, 373, 85, 373, 373, 85, 85, 85, 85, 85, 554, 554, 
-    373, 373, 373, 85, 466, 373, 471, 373, 373, 82, 82, 82, 555, 555, 555, 
-    555, 555, 555, 555, 555, 555, 555, 82, 555, 555, 555, 555, 555, 555, 555, 
-    555, 555, 82, 82, 82, 82, 555, 555, 555, 555, 555, 555, 82, 82, 523, 523, 
-    523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 82, 82, 82, 82, 556, 
-    557, 557, 558, 523, 559, 560, 561, 524, 525, 524, 525, 524, 525, 524, 
-    525, 524, 525, 523, 523, 524, 525, 524, 525, 524, 525, 524, 525, 562, 
-    563, 564, 564, 523, 561, 561, 561, 561, 561, 561, 561, 561, 561, 565, 
-    566, 567, 568, 569, 569, 570, 571, 571, 571, 571, 572, 523, 523, 561, 
-    561, 561, 559, 573, 558, 523, 527, 82, 574, 575, 574, 575, 574, 575, 574, 
-    575, 574, 575, 575, 575, 575, 575, 575, 575, 575, 575, 575, 575, 575, 
-    575, 575, 575, 575, 575, 574, 575, 575, 575, 575, 575, 575, 575, 574, 
-    575, 574, 575, 574, 575, 575, 575, 575, 575, 575, 574, 575, 575, 575, 
-    575, 575, 575, 574, 574, 82, 82, 576, 576, 577, 577, 578, 578, 575, 562, 
-    579, 580, 579, 580, 579, 580, 579, 580, 579, 580, 580, 580, 580, 580, 
-    580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 579, 580, 
-    580, 580, 580, 580, 580, 580, 579, 580, 579, 580, 579, 580, 580, 580, 
-    580, 580, 580, 579, 580, 580, 580, 580, 580, 580, 579, 579, 580, 580, 
-    580, 580, 581, 582, 583, 583, 580, 82, 82, 82, 82, 82, 584, 584, 584, 
-    584, 584, 584, 584, 584, 584, 584, 584, 584, 584, 584, 584, 584, 584, 82, 
-    82, 82, 585, 585, 585, 585, 585, 585, 585, 585, 585, 585, 585, 585, 585, 
-    585, 585, 585, 585, 585, 585, 585, 585, 585, 82, 586, 586, 587, 587, 587, 
-    587, 586, 586, 586, 586, 586, 586, 586, 586, 586, 586, 584, 584, 584, 82, 
-    82, 82, 82, 82, 579, 579, 579, 579, 579, 579, 579, 579, 588, 588, 588, 
-    588, 588, 588, 588, 588, 588, 588, 588, 588, 588, 589, 589, 82, 587, 587, 
-    587, 587, 587, 587, 587, 587, 587, 587, 586, 586, 586, 586, 586, 586, 
-    590, 590, 590, 590, 590, 590, 590, 590, 523, 591, 591, 591, 591, 591, 
-    591, 591, 591, 591, 591, 591, 591, 591, 591, 591, 588, 588, 588, 588, 
-    589, 589, 589, 586, 586, 591, 591, 591, 591, 591, 591, 591, 586, 586, 
-    586, 586, 523, 523, 523, 523, 592, 592, 592, 592, 592, 592, 592, 592, 
-    592, 592, 592, 592, 592, 592, 592, 82, 586, 586, 586, 586, 586, 586, 586, 
-    523, 523, 523, 523, 586, 586, 586, 586, 586, 586, 586, 586, 586, 586, 
-    586, 523, 523, 593, 593, 593, 593, 593, 593, 593, 593, 593, 593, 593, 
-    593, 593, 593, 594, 594, 594, 594, 594, 594, 594, 594, 594, 594, 595, 
-    595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 596, 595, 
-    595, 595, 595, 595, 595, 595, 82, 82, 82, 597, 597, 597, 597, 597, 597, 
-    597, 597, 597, 597, 597, 597, 597, 597, 597, 82, 598, 598, 598, 598, 598, 
-    598, 598, 598, 599, 599, 599, 599, 599, 599, 600, 600, 601, 601, 601, 
-    601, 601, 601, 601, 601, 601, 601, 601, 601, 602, 603, 604, 603, 605, 
-    605, 605, 605, 605, 605, 605, 605, 605, 605, 601, 601, 82, 82, 82, 82, 
-    91, 94, 91, 94, 91, 94, 606, 96, 98, 98, 98, 607, 96, 96, 96, 96, 96, 96, 
-    96, 96, 96, 96, 607, 608, 91, 94, 91, 94, 450, 450, 96, 96, 609, 609, 
-    609, 609, 609, 609, 609, 609, 609, 609, 609, 609, 609, 609, 610, 610, 
-    610, 610, 610, 610, 610, 610, 610, 610, 611, 611, 612, 613, 613, 613, 
-    613, 613, 63, 63, 63, 63, 63, 63, 63, 61, 61, 61, 61, 61, 61, 61, 61, 61, 
-    63, 63, 53, 57, 53, 57, 53, 57, 57, 57, 53, 57, 53, 57, 53, 57, 60, 57, 
-    57, 57, 57, 57, 57, 57, 57, 53, 57, 53, 57, 53, 53, 57, 61, 614, 614, 53, 
-    57, 53, 57, 58, 53, 57, 53, 57, 57, 57, 53, 57, 53, 57, 53, 53, 53, 53, 
-    53, 82, 53, 53, 53, 53, 53, 57, 53, 57, 82, 82, 82, 82, 82, 82, 82, 58, 
-    60, 60, 57, 58, 58, 58, 58, 58, 615, 615, 616, 615, 615, 615, 617, 615, 
-    615, 615, 615, 616, 615, 615, 615, 615, 615, 615, 615, 615, 615, 615, 
-    615, 615, 615, 615, 615, 618, 618, 616, 616, 618, 619, 619, 619, 619, 82, 
-    82, 82, 82, 620, 620, 620, 620, 620, 620, 313, 313, 503, 512, 82, 82, 82, 
-    82, 82, 82, 621, 621, 621, 621, 621, 621, 621, 621, 621, 621, 621, 621, 
-    622, 622, 623, 623, 624, 624, 625, 625, 625, 625, 625, 625, 625, 625, 
-    625, 625, 625, 625, 625, 625, 625, 625, 625, 625, 624, 624, 624, 624, 
-    624, 624, 624, 624, 624, 624, 624, 624, 624, 624, 624, 624, 626, 627, 82, 
-    82, 82, 82, 82, 82, 82, 82, 628, 628, 629, 629, 629, 629, 629, 629, 629, 
-    629, 629, 629, 82, 82, 82, 82, 82, 82, 198, 198, 198, 198, 198, 198, 198, 
-    198, 198, 198, 195, 195, 195, 195, 195, 195, 201, 201, 201, 195, 630, 
-    195, 82, 82, 631, 631, 631, 631, 631, 631, 631, 631, 631, 631, 632, 632, 
-    632, 632, 632, 632, 632, 632, 632, 632, 632, 632, 632, 632, 632, 632, 
-    632, 632, 632, 632, 633, 633, 633, 633, 633, 634, 634, 634, 199, 635, 
-    636, 636, 636, 636, 636, 636, 636, 636, 636, 636, 636, 636, 636, 636, 
-    636, 637, 637, 637, 637, 637, 637, 637, 637, 637, 637, 637, 638, 639, 82, 
-    82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 640, 328, 328, 328, 328, 328, 82, 
-    82, 82, 641, 641, 641, 642, 643, 643, 643, 643, 643, 643, 643, 643, 643, 
-    643, 643, 643, 643, 643, 643, 644, 642, 642, 641, 641, 641, 641, 642, 
-    642, 641, 642, 642, 642, 645, 646, 646, 646, 646, 646, 646, 647, 647, 
-    647, 646, 646, 646, 646, 82, 62, 648, 648, 648, 648, 648, 648, 648, 648, 
-    648, 648, 82, 82, 82, 82, 646, 646, 314, 314, 314, 314, 314, 316, 649, 
-    314, 319, 319, 314, 314, 314, 314, 314, 82, 650, 650, 650, 650, 650, 650, 
-    650, 650, 650, 651, 651, 651, 651, 651, 651, 652, 652, 651, 651, 652, 
-    652, 651, 651, 82, 650, 650, 650, 651, 650, 650, 650, 650, 650, 650, 650, 
-    650, 651, 652, 82, 82, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 
-    82, 82, 654, 655, 655, 655, 649, 314, 314, 314, 314, 314, 314, 323, 323, 
-    323, 314, 315, 316, 315, 314, 314, 656, 656, 656, 656, 656, 656, 656, 
-    656, 657, 656, 657, 657, 658, 656, 656, 657, 657, 656, 656, 656, 656, 
-    656, 657, 657, 656, 657, 656, 82, 82, 82, 82, 82, 82, 82, 82, 656, 656, 
-    659, 660, 660, 661, 661, 661, 661, 661, 661, 661, 661, 661, 661, 661, 
-    662, 663, 663, 662, 662, 664, 664, 661, 665, 665, 662, 666, 82, 82, 331, 
-    331, 331, 331, 331, 331, 82, 57, 57, 57, 614, 60, 60, 60, 60, 57, 57, 57, 
-    57, 57, 80, 82, 82, 338, 338, 338, 338, 338, 338, 338, 338, 661, 661, 
-    661, 662, 662, 663, 662, 662, 663, 662, 662, 664, 662, 666, 82, 82, 667, 
-    667, 667, 667, 667, 667, 667, 667, 667, 667, 82, 82, 82, 82, 82, 82, 668, 
-    669, 669, 669, 669, 669, 669, 669, 669, 669, 669, 669, 669, 669, 669, 
-    669, 669, 669, 669, 669, 668, 669, 669, 669, 669, 669, 669, 669, 82, 82, 
-    82, 82, 329, 329, 329, 329, 329, 329, 329, 82, 82, 82, 82, 330, 330, 330, 
-    330, 330, 330, 330, 330, 330, 82, 82, 82, 82, 670, 670, 670, 670, 670, 
-    670, 670, 670, 671, 671, 671, 671, 671, 671, 671, 671, 593, 593, 594, 
-    594, 594, 594, 594, 594, 57, 57, 57, 57, 57, 57, 57, 82, 82, 82, 82, 102, 
-    102, 102, 102, 102, 82, 82, 82, 82, 82, 130, 672, 130, 130, 673, 130, 
-    130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 82, 130, 130, 
-    130, 130, 130, 82, 130, 82, 130, 130, 82, 130, 130, 82, 130, 130, 147, 
-    147, 674, 674, 674, 674, 674, 674, 674, 674, 674, 674, 674, 674, 674, 
-    674, 674, 674, 82, 82, 82, 82, 82, 82, 82, 82, 82, 147, 147, 147, 147, 
-    147, 147, 147, 147, 147, 147, 147, 675, 471, 82, 82, 147, 147, 147, 147, 
-    147, 147, 147, 147, 147, 147, 136, 139, 82, 82, 676, 676, 676, 676, 676, 
-    676, 676, 676, 677, 557, 557, 677, 677, 678, 678, 563, 564, 679, 82, 82, 
-    82, 82, 82, 82, 97, 97, 97, 97, 97, 97, 97, 157, 157, 157, 157, 157, 157, 
-    157, 96, 96, 558, 570, 570, 680, 680, 563, 564, 563, 564, 563, 564, 563, 
-    564, 563, 564, 563, 564, 563, 564, 563, 564, 558, 558, 563, 564, 558, 
-    558, 558, 558, 680, 680, 680, 681, 558, 681, 82, 581, 682, 678, 678, 570, 
-    524, 525, 524, 525, 524, 525, 683, 558, 558, 684, 685, 686, 686, 687, 82, 
-    558, 688, 689, 558, 82, 82, 82, 82, 147, 147, 147, 147, 147, 82, 82, 493, 
-    82, 690, 691, 692, 693, 694, 691, 691, 695, 696, 691, 697, 698, 699, 698, 
-    700, 701, 701, 701, 701, 701, 701, 701, 701, 701, 701, 702, 703, 704, 
-    705, 704, 690, 691, 706, 706, 706, 706, 706, 706, 706, 706, 706, 706, 
-    706, 706, 706, 706, 706, 706, 706, 706, 695, 691, 696, 707, 708, 707, 
-    709, 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, 
-    709, 709, 709, 709, 695, 705, 696, 705, 695, 696, 710, 711, 712, 710, 
-    713, 714, 715, 715, 715, 715, 715, 715, 715, 715, 715, 716, 714, 714, 
-    714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 714, 
-    714, 714, 714, 714, 714, 717, 717, 718, 718, 718, 718, 718, 718, 718, 
-    718, 718, 718, 718, 718, 718, 718, 718, 82, 82, 82, 718, 718, 718, 718, 
-    718, 718, 82, 82, 718, 718, 718, 82, 82, 82, 719, 693, 705, 707, 720, 
-    693, 693, 82, 721, 722, 722, 722, 722, 721, 721, 82, 82, 723, 723, 723, 
-    724, 508, 82, 82, 725, 725, 725, 725, 725, 725, 725, 725, 725, 725, 725, 
-    725, 82, 725, 725, 725, 725, 725, 725, 725, 725, 725, 725, 82, 725, 725, 
-    725, 82, 725, 725, 82, 725, 725, 725, 725, 725, 725, 725, 82, 82, 725, 
-    725, 725, 82, 82, 82, 82, 82, 199, 373, 199, 82, 82, 82, 82, 620, 620, 
-    620, 620, 620, 620, 620, 620, 620, 620, 620, 620, 620, 82, 82, 82, 313, 
-    726, 726, 726, 726, 726, 726, 726, 726, 726, 726, 726, 726, 726, 727, 
-    727, 727, 727, 728, 728, 728, 728, 728, 728, 728, 728, 728, 728, 728, 
-    728, 728, 728, 728, 728, 728, 727, 727, 728, 729, 729, 82, 41, 41, 41, 
-    41, 82, 82, 82, 82, 728, 82, 82, 82, 82, 82, 82, 82, 313, 313, 313, 313, 
-    313, 157, 82, 82, 730, 730, 730, 730, 730, 730, 730, 730, 730, 730, 730, 
-    730, 730, 82, 82, 82, 731, 731, 731, 731, 731, 731, 731, 731, 731, 82, 
-    82, 82, 82, 82, 82, 82, 157, 500, 500, 500, 500, 500, 500, 500, 500, 500, 
-    500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 82, 82, 82, 82, 732, 
-    732, 732, 732, 732, 732, 732, 732, 733, 733, 733, 733, 82, 82, 82, 82, 
-    734, 734, 734, 734, 734, 734, 734, 734, 734, 735, 734, 734, 734, 734, 
-    734, 734, 734, 734, 735, 82, 82, 82, 82, 82, 736, 736, 736, 736, 736, 
-    736, 736, 736, 736, 736, 736, 736, 736, 736, 737, 737, 737, 737, 737, 82, 
-    82, 82, 82, 82, 738, 738, 738, 738, 738, 738, 738, 738, 738, 738, 738, 
-    738, 738, 738, 82, 739, 740, 740, 740, 740, 740, 740, 740, 740, 740, 740, 
-    740, 740, 82, 82, 82, 82, 741, 742, 742, 742, 742, 742, 82, 82, 743, 743, 
-    743, 743, 743, 743, 743, 743, 744, 744, 744, 744, 744, 744, 744, 744, 
-    745, 745, 745, 745, 745, 745, 745, 745, 746, 746, 746, 746, 746, 746, 
-    746, 746, 746, 746, 746, 746, 746, 746, 82, 82, 747, 747, 747, 747, 747, 
-    747, 747, 747, 747, 747, 82, 82, 82, 82, 82, 82, 748, 748, 748, 748, 748, 
-    748, 748, 748, 748, 748, 748, 748, 82, 82, 82, 82, 749, 749, 749, 749, 
-    749, 749, 749, 749, 749, 749, 749, 749, 82, 82, 82, 82, 750, 750, 750, 
-    750, 750, 750, 750, 750, 751, 751, 751, 751, 751, 751, 751, 751, 751, 
-    751, 751, 751, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 752, 753, 753, 
-    753, 753, 753, 753, 753, 753, 753, 753, 753, 753, 753, 753, 753, 82, 753, 
-    753, 753, 753, 753, 753, 82, 82, 754, 754, 754, 754, 754, 754, 82, 82, 
-    754, 82, 754, 754, 754, 754, 754, 754, 754, 754, 754, 754, 754, 754, 754, 
-    754, 754, 754, 754, 754, 754, 754, 82, 754, 754, 82, 82, 82, 754, 82, 82, 
-    754, 755, 755, 755, 755, 755, 755, 755, 755, 755, 755, 755, 755, 755, 
-    755, 82, 756, 757, 757, 757, 757, 757, 757, 757, 757, 758, 758, 758, 758, 
-    758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 758, 759, 759, 760, 
-    760, 760, 760, 760, 760, 760, 761, 761, 761, 761, 761, 761, 761, 761, 
-    761, 761, 761, 761, 761, 761, 761, 82, 82, 82, 82, 82, 82, 82, 82, 762, 
-    762, 762, 762, 762, 762, 762, 762, 762, 763, 763, 763, 763, 763, 763, 
-    763, 763, 763, 763, 763, 82, 763, 763, 82, 82, 82, 82, 82, 764, 764, 764, 
-    764, 764, 765, 765, 765, 765, 765, 765, 765, 765, 765, 765, 765, 765, 
-    765, 765, 766, 766, 766, 766, 766, 766, 82, 82, 82, 767, 768, 768, 768, 
-    768, 768, 768, 768, 768, 768, 768, 82, 82, 82, 82, 82, 769, 770, 770, 
-    770, 770, 770, 770, 770, 770, 771, 771, 771, 771, 771, 771, 771, 771, 82, 
-    82, 82, 82, 772, 772, 771, 771, 772, 772, 772, 772, 772, 772, 772, 772, 
-    82, 82, 772, 772, 772, 772, 772, 772, 773, 774, 774, 774, 82, 774, 774, 
-    82, 82, 82, 82, 82, 774, 775, 774, 776, 773, 773, 773, 773, 82, 773, 773, 
-    773, 82, 773, 773, 773, 773, 773, 773, 773, 773, 773, 773, 773, 773, 773, 
-    773, 773, 773, 773, 773, 773, 82, 82, 82, 82, 776, 777, 775, 82, 82, 82, 
-    82, 778, 779, 779, 779, 779, 779, 779, 779, 779, 780, 780, 780, 780, 780, 
-    780, 780, 780, 781, 82, 82, 82, 82, 82, 82, 82, 782, 782, 782, 782, 782, 
-    782, 782, 782, 782, 782, 782, 782, 782, 783, 783, 784, 785, 785, 785, 
-    785, 785, 785, 785, 785, 785, 785, 785, 785, 785, 786, 786, 786, 787, 
-    787, 787, 787, 787, 787, 787, 787, 788, 787, 787, 787, 787, 787, 787, 
-    787, 787, 787, 787, 787, 787, 789, 790, 82, 82, 82, 82, 791, 791, 791, 
-    791, 791, 792, 792, 792, 792, 792, 792, 793, 82, 794, 794, 794, 794, 794, 
-    794, 794, 794, 794, 794, 794, 794, 794, 794, 82, 82, 82, 795, 795, 795, 
-    795, 795, 795, 795, 796, 796, 796, 796, 796, 796, 796, 796, 796, 796, 
-    796, 796, 796, 796, 82, 82, 797, 797, 797, 797, 797, 797, 797, 797, 798, 
-    798, 798, 798, 798, 798, 798, 798, 798, 798, 798, 82, 82, 82, 82, 82, 
-    799, 799, 799, 799, 799, 799, 799, 799, 800, 800, 800, 800, 800, 800, 
-    800, 800, 800, 800, 82, 82, 82, 82, 82, 82, 82, 801, 801, 801, 801, 82, 
-    82, 82, 82, 802, 802, 802, 802, 802, 802, 802, 803, 803, 803, 803, 803, 
-    803, 803, 803, 803, 82, 82, 82, 82, 82, 82, 82, 804, 804, 804, 804, 804, 
-    804, 804, 804, 804, 804, 804, 82, 82, 82, 82, 82, 805, 805, 805, 805, 
-    805, 805, 805, 805, 805, 805, 805, 82, 82, 82, 82, 82, 82, 82, 806, 806, 
-    806, 806, 806, 806, 807, 807, 807, 807, 807, 807, 807, 807, 807, 807, 
-    807, 807, 807, 807, 807, 82, 808, 809, 808, 810, 810, 810, 810, 810, 810, 
-    810, 810, 810, 810, 810, 810, 810, 809, 809, 809, 809, 809, 809, 809, 
-    809, 809, 809, 809, 809, 809, 809, 811, 812, 812, 813, 813, 813, 813, 
-    813, 82, 82, 82, 82, 814, 814, 814, 814, 814, 814, 814, 814, 814, 814, 
-    814, 814, 814, 814, 814, 814, 814, 814, 814, 814, 815, 815, 815, 815, 
-    815, 815, 815, 815, 815, 815, 82, 82, 82, 82, 82, 82, 82, 811, 816, 816, 
-    817, 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, 
-    817, 817, 817, 816, 816, 816, 816, 817, 817, 819, 820, 821, 821, 822, 
-    823, 823, 823, 823, 82, 82, 82, 82, 82, 82, 824, 824, 824, 824, 824, 824, 
-    824, 824, 824, 82, 82, 82, 82, 82, 82, 82, 825, 825, 825, 825, 825, 825, 
-    825, 825, 825, 825, 82, 82, 82, 82, 82, 82, 826, 826, 826, 827, 827, 827, 
-    827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 827, 
-    827, 827, 827, 828, 828, 828, 828, 828, 829, 828, 828, 828, 828, 828, 
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+    967, 81, 81, 81, 81, 81, 81, 81, 81, 968, 968, 968, 968, 969, 969, 969, 
+    969, 969, 969, 969, 969, 969, 969, 969, 969, 969, 970, 971, 81, 81, 81, 
+    81, 81, 81, 972, 972, 972, 972, 972, 972, 972, 972, 972, 972, 972, 972, 
+    972, 81, 81, 81, 972, 972, 972, 81, 81, 81, 81, 81, 576, 571, 571, 571, 
+    571, 571, 571, 571, 571, 571, 571, 571, 571, 571, 571, 81, 973, 973, 973, 
+    973, 973, 973, 973, 973, 973, 973, 973, 973, 81, 81, 81, 81, 974, 974, 
+    974, 974, 974, 974, 974, 974, 974, 974, 974, 81, 81, 81, 81, 81, 974, 
+    974, 974, 974, 974, 81, 81, 81, 974, 81, 81, 81, 81, 81, 81, 81, 974, 
+    974, 81, 81, 975, 976, 977, 978, 499, 499, 499, 499, 81, 81, 81, 81, 313, 
+    313, 313, 313, 313, 313, 81, 81, 313, 313, 313, 313, 313, 313, 313, 81, 
+    81, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 979, 979, 
+    447, 447, 447, 313, 313, 313, 980, 979, 979, 979, 979, 979, 499, 499, 
+    499, 499, 499, 499, 499, 499, 156, 156, 156, 156, 156, 156, 156, 156, 
+    313, 313, 96, 96, 96, 96, 96, 156, 156, 313, 313, 313, 313, 313, 313, 96, 
+    96, 96, 96, 313, 313, 313, 81, 81, 81, 81, 81, 81, 81, 721, 721, 981, 
+    981, 981, 721, 81, 81, 616, 616, 81, 81, 81, 81, 81, 81, 506, 506, 506, 
+    506, 506, 506, 506, 506, 506, 506, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 506, 506, 506, 506, 506, 506, 506, 
+    506, 506, 506, 49, 49, 49, 49, 49, 49, 49, 81, 49, 49, 49, 49, 49, 49, 
+    506, 81, 506, 506, 81, 81, 506, 81, 81, 506, 506, 81, 81, 506, 506, 506, 
+    506, 81, 506, 506, 49, 49, 81, 49, 81, 49, 49, 49, 49, 49, 49, 49, 81, 
+    49, 49, 49, 49, 49, 49, 49, 506, 506, 81, 506, 506, 506, 506, 81, 81, 
+    506, 506, 506, 506, 506, 506, 506, 506, 81, 506, 506, 506, 506, 506, 506, 
+    506, 81, 49, 49, 506, 506, 81, 506, 506, 506, 506, 81, 506, 506, 506, 
+    506, 506, 81, 506, 81, 81, 81, 506, 506, 506, 506, 506, 506, 506, 81, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 81, 81, 506, 982, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 492, 49, 49, 49, 49, 49, 49, 506, 506, 506, 506, 
+    506, 506, 506, 506, 506, 982, 49, 49, 49, 49, 49, 49, 49, 49, 49, 492, 
+    49, 49, 506, 506, 506, 506, 506, 982, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
+    492, 49, 49, 49, 49, 49, 49, 506, 506, 506, 506, 506, 506, 506, 506, 506, 
+    982, 49, 492, 49, 49, 49, 49, 49, 49, 49, 49, 506, 49, 81, 81, 983, 983, 
+    983, 983, 983, 983, 983, 983, 983, 983, 984, 984, 984, 984, 984, 984, 
+    984, 984, 985, 985, 985, 985, 985, 985, 985, 985, 985, 985, 985, 985, 
+    985, 985, 985, 984, 984, 984, 984, 985, 985, 985, 985, 985, 985, 985, 
+    985, 985, 985, 984, 984, 984, 984, 984, 984, 984, 984, 985, 984, 984, 
+    984, 984, 984, 984, 985, 984, 984, 986, 986, 986, 986, 987, 81, 81, 81, 
+    81, 81, 81, 81, 985, 985, 985, 985, 985, 81, 985, 985, 985, 985, 985, 
+    985, 985, 988, 988, 988, 988, 988, 988, 988, 81, 988, 988, 988, 988, 988, 
+    988, 988, 988, 988, 81, 81, 988, 988, 988, 988, 988, 988, 988, 81, 988, 
+    988, 81, 988, 988, 988, 988, 988, 81, 81, 81, 81, 81, 989, 989, 989, 989, 
+    989, 989, 989, 989, 989, 989, 989, 989, 989, 81, 81, 990, 990, 990, 990, 
+    990, 990, 990, 990, 990, 991, 991, 991, 991, 991, 991, 991, 81, 992, 992, 
+    992, 992, 992, 992, 992, 992, 992, 992, 993, 993, 993, 993, 993, 993, 
+    993, 993, 993, 993, 993, 993, 993, 993, 993, 993, 993, 993, 994, 994, 
+    994, 994, 994, 994, 995, 81, 81, 81, 81, 81, 996, 996, 996, 996, 996, 
+    996, 996, 996, 996, 996, 81, 81, 81, 81, 997, 997, 146, 146, 146, 146, 
+    81, 146, 146, 146, 81, 146, 146, 81, 146, 81, 81, 146, 81, 146, 146, 146, 
+    146, 146, 146, 146, 146, 146, 146, 81, 146, 146, 146, 146, 81, 146, 81, 
+    146, 81, 81, 81, 81, 81, 81, 146, 81, 81, 81, 81, 146, 81, 146, 81, 146, 
+    81, 146, 146, 146, 81, 146, 81, 146, 81, 146, 81, 146, 81, 146, 146, 146, 
+    146, 81, 146, 81, 146, 146, 81, 146, 146, 146, 146, 146, 146, 146, 146, 
+    146, 81, 81, 81, 81, 81, 146, 146, 146, 81, 146, 146, 146, 132, 132, 81, 
+    81, 81, 81, 81, 81, 525, 525, 525, 525, 521, 525, 525, 525, 525, 525, 
+    525, 525, 525, 525, 525, 525, 525, 525, 525, 525, 998, 998, 998, 998, 
+    998, 998, 998, 998, 998, 998, 998, 998, 525, 525, 525, 525, 525, 525, 
+    525, 998, 998, 525, 525, 525, 525, 525, 525, 525, 525, 525, 525, 525, 
+    525, 525, 525, 521, 525, 525, 525, 525, 525, 525, 998, 998, 47, 47, 47, 
+    515, 515, 998, 998, 998, 526, 526, 526, 526, 526, 526, 313, 998, 526, 
+    526, 40, 40, 998, 998, 998, 998, 526, 526, 526, 526, 526, 526, 999, 526, 
+    526, 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, 526, 526, 526, 
+    526, 526, 526, 526, 526, 526, 526, 998, 998, 998, 998, 998, 998, 998, 
+    998, 998, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 
+    1001, 582, 582, 998, 998, 998, 998, 998, 582, 582, 582, 582, 998, 998, 
+    998, 998, 582, 998, 998, 998, 998, 998, 998, 998, 582, 582, 998, 998, 
+    998, 998, 998, 998, 521, 521, 521, 521, 521, 521, 998, 998, 521, 525, 
+    525, 525, 525, 525, 525, 525, 525, 525, 525, 525, 525, 521, 521, 521, 
+    521, 521, 521, 521, 521, 521, 525, 521, 521, 521, 521, 521, 521, 525, 
+    521, 521, 521, 521, 521, 521, 521, 532, 521, 521, 521, 521, 521, 521, 
+    525, 525, 525, 525, 525, 525, 525, 525, 40, 40, 525, 525, 521, 521, 521, 
+    521, 521, 524, 524, 521, 521, 521, 521, 521, 524, 521, 521, 521, 521, 
+    521, 532, 532, 532, 521, 521, 532, 521, 521, 532, 530, 530, 525, 525, 
+    521, 521, 525, 525, 525, 521, 525, 525, 525, 521, 521, 521, 1002, 1002, 
+    1002, 1002, 1002, 521, 521, 521, 521, 521, 521, 521, 525, 521, 525, 532, 
+    532, 521, 521, 532, 532, 532, 532, 532, 532, 532, 532, 532, 532, 532, 
+    521, 521, 521, 521, 521, 521, 521, 521, 521, 521, 521, 521, 521, 532, 
+    532, 532, 532, 521, 521, 521, 521, 532, 521, 532, 521, 521, 521, 532, 
+    521, 521, 521, 521, 532, 532, 532, 521, 532, 532, 532, 524, 521, 524, 
+    521, 524, 521, 521, 521, 521, 521, 532, 521, 521, 521, 521, 524, 521, 
+    524, 524, 521, 521, 521, 521, 521, 521, 521, 521, 521, 521, 525, 525, 
+    521, 524, 524, 524, 524, 524, 524, 524, 521, 521, 521, 521, 521, 521, 
+    521, 521, 524, 524, 524, 524, 524, 524, 521, 521, 521, 521, 521, 524, 
+    524, 524, 524, 524, 524, 524, 524, 524, 524, 524, 524, 40, 40, 40, 40, 
+    525, 521, 521, 521, 521, 525, 525, 525, 525, 525, 530, 530, 525, 525, 
+    525, 525, 532, 525, 525, 525, 525, 525, 530, 525, 525, 525, 525, 532, 
+    532, 525, 525, 525, 525, 525, 40, 40, 40, 40, 40, 40, 40, 40, 525, 525, 
+    525, 525, 40, 40, 525, 521, 521, 521, 521, 521, 521, 521, 521, 521, 521, 
+    532, 532, 532, 521, 521, 521, 532, 532, 532, 532, 532, 40, 40, 40, 40, 
+    40, 40, 534, 534, 534, 1003, 1003, 1003, 40, 40, 40, 40, 521, 521, 521, 
+    532, 521, 521, 521, 521, 521, 521, 521, 521, 532, 532, 532, 521, 532, 
+    521, 521, 521, 521, 521, 525, 525, 525, 525, 525, 525, 532, 525, 525, 
+    525, 521, 521, 521, 525, 525, 998, 998, 998, 525, 525, 525, 521, 521, 
+    998, 998, 998, 525, 525, 525, 525, 521, 521, 521, 521, 521, 998, 998, 
+    998, 998, 998, 998, 998, 40, 40, 40, 40, 998, 998, 998, 998, 40, 40, 40, 
+    40, 40, 998, 998, 998, 40, 40, 998, 998, 998, 998, 998, 998, 40, 40, 40, 
+    40, 40, 40, 998, 998, 532, 532, 532, 532, 532, 521, 532, 532, 521, 521, 
+    521, 521, 521, 521, 532, 521, 532, 532, 521, 521, 521, 532, 532, 998, 
+    521, 521, 521, 521, 521, 998, 998, 998, 521, 521, 521, 521, 998, 998, 
+    998, 998, 521, 532, 532, 532, 532, 532, 532, 532, 532, 532, 532, 532, 
+    532, 532, 521, 521, 521, 521, 521, 521, 521, 521, 521, 998, 998, 998, 
+    998, 998, 998, 998, 81, 81, 589, 589, 589, 589, 589, 589, 589, 590, 589, 
+    589, 589, 589, 589, 590, 590, 590, 589, 590, 590, 590, 590, 590, 590, 
+    590, 590, 590, 590, 590, 590, 590, 81, 81, 81, 499, 81, 81, 81, 81, 81, 
+    81, 499, 499, 499, 499, 499, 499, 499, 499, 667, 667, 667, 667, 667, 667, 
+    81, 81, 
 };
 
 /* decomposition data */

From 71c0a1429db7c7e7e32507be248c9457e1cbfc7d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 18:56:10 +0200
Subject: [PATCH 0409/1326] [indic] Fix shaping of U+0A51

Mark it as matra below to allow the sequence U+0A15, U+0A51, U+0A47.
Oh well...

Fixes https://github.com/behdad/harfbuzz/issues/524
---
 src/hb-ot-shape-complex-indic.cc                 |   6 ++++++
 .../85fe0be440c64ac77699e21c2f1bd933a919167e.ttf | Bin 0 -> 1224 bytes
 test/shaping/tests/indic-syllable.tests          |   1 +
 3 files changed, 7 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index c8640cc56..d16816016 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -208,6 +208,12 @@ set_indic_properties (hb_glyph_info_t &info)
     cat = OT_M;
     pos = POS_ABOVE_C;
   }
+  else if (unlikely (u == 0x0A51u))
+  {
+    /* https://github.com/behdad/harfbuzz/issues/524 */
+    cat = OT_M;
+    pos = POS_BELOW_C;
+  }
 
   /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
    * so the Indic shaper needs to know their categories. */
diff --git a/test/shaping/fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf b/test/shaping/fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..6198614b43d9845feb4884dfb90c01a17647bcf5
GIT binary patch
literal 1224
zcmZ8gZ)jUp6#w1(Zu0W4>CDn}lqyNvrD8j#$(q5OxR&W-qIR=%ADp<orb(;KTS}X{
z3`Azd`auxc2SKLz!4`yx4B13kQCBFaU~#Jx9Ee4~RJJdQMclF%e>Z6u?mq6l=XdTo
zzjMw#_dx&%;}i@Wv-UssINn1)V0=yO9_!%X&|>If4{?R~V{2%5;9BD6RX}}293LFo
znVS8)v=xx2h>v9*dopk&dX9LFc<-1!JqeQ^jPt~yvBJsxmJiM(Dc|6%jOXl8U*^i+
zw2u;J#;IuTGq)2zN8B~;l*+z|+piHnNgOT|vo@A7O6(&JICgmw_lhlmSSOAjx1F5&
zr)ekSwG$tlEKZmHdb8(Q;sUV+qxvV{@u{1LqZd1XL^9d!^>%h7`*vm0saR{KZ&!Ds
zFVWH&i?u|}Sfo`Xlbs#jmS`-U$_QiK|3G5+_qi{wuAO`1$HQ&W%7~|R)!Q_@=c%Z>
z^u&e2^z6$M<wenaV&$;oe7W%9rK8#B=Z<7gpKd>S|4;K-cl|Tjlgk%J?P9@r7_xF%
zU9TQ6dl5ntYhb9(4zrtyVC!!8>_bZn+e1EoB=Lu6e^jXJKU@`Or2CuuOEaW9e|r|J
z1px#BGZssyQ@hO$7~S8bmges<{gE|yeLy_2dPTf1d?NHB>1nO-4tyvxo<?_u+Qb&`
z_7$r2sW3lT`Sz`aqs@Ca5Y*QVtOP3G>3!AvdimCJ<yxqpxdVPkttI{UxTOBocU-yb
z&Qn1iv$wJc1b@A??9PSy?~2RDK&i9hZFtz1cRgwPd{y7&Eb{VIb~@;h%A=%IjVL;j
z9@gNXg?)jRz@d5!v)9;9b*(aWlRXCF<kuRbrVX+F2Z??Bm@z%Az@cjOj<j)O<Ko7r
zbq3n$A#tDfR(@)`i0iWCAJc`WQACL|jv?4Mj%i93W-tYZ>jcK}0-iw*V?+g7Of@Q~
z=8><l-@Pa%D}^DHcfuZ<nVJdaa*kb^s>%MDQQIzQt@e_-2Ik(VY+H>=Y}RT}AK;9l
zjrrH>m&CeHJBXV&`EI!C7nH<4ND`+IuF;2iPaI^|_5#u#dC5U|q;SF^W8F)yJb@RP
znzdj)g70d8Yor!apK5+DMD+l>A!sL58zs%&u#ZsM#=C4}uJ=u^%@;&3L;v0NT-(Y0
J|6F;b$A2+S<P-n^

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index df3d7d825..5b0ae90aa 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -2,3 +2,4 @@ fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]
 fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf::U+0980,U+0981:[anjibeng=0+520|candrabindubeng=0+0]
+fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf::U+0A15,U+0A51,U+0A47:[kaguru=0+1273|udaatguru=0@75,0+0|eematraguru=0@-40,0+0]

From 8b2c94c43fd335b944d5e5487265706b8e0f9041 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 20:02:45 +0200
Subject: [PATCH 0410/1326] Tweak ligature component matching for ligature
 formation

If two marks want to ligate and they belong to different components of the
same ligature glyph, and said ligature glyph is to be ignored according to
mark-filtering rules, then allow.

Example Burmese senquence:

  U+1004,U+103A,U+1039,U+101B,U+103D,U+102D

Test font provided by Norbert Lindenberg.

Fixes https://github.com/behdad/harfbuzz/issues/545
---
 src/hb-ot-layout-gsubgpos-private.hh          |  59 +++++++++++++++---
 ...c76d1bafde4a0b1026ebcc932d2e5c6fd02442.ttf | Bin 0 -> 1384 bytes
 test/shaping/tests/ligature-id.tests          |   1 +
 3 files changed, 51 insertions(+), 9 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/a6c76d1bafde4a0b1026ebcc932d2e5c6fd02442.ttf

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 472628a39..f2ad9f1c9 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -374,6 +374,13 @@ struct hb_apply_context_t :
 
     inline void reject (void) { num_items++; match_glyph_data--; }
 
+    inline matcher_t::may_skip_t
+    may_skip (const hb_apply_context_t *c,
+	      const hb_glyph_info_t    &info) const
+    {
+      return matcher.may_skip (c, info);
+    }
+
     inline bool next (void)
     {
       assert (num_items > 0);
@@ -736,11 +743,17 @@ static inline bool match_input (hb_apply_context_t *c,
    * - Ligatures cannot be formed across glyphs attached to different components
    *   of previous ligatures.  Eg. the sequence is LAM,SHADDA,LAM,FATHA,HEH, and
    *   LAM,LAM,HEH form a ligature, leaving SHADDA,FATHA next to eachother.
-   *   However, it would be wrong to ligate that SHADDA,FATHA sequence.o
-   *   There is an exception to this: If a ligature tries ligating with marks that
-   *   belong to it itself, go ahead, assuming that the font designer knows what
-   *   they are doing (otherwise it can break Indic stuff when a matra wants to
-   *   ligate with a conjunct...)
+   *   However, it would be wrong to ligate that SHADDA,FATHA sequence.
+   *   There are a couple of exceptions to this:
+   *
+   *   o If a ligature tries ligating with marks that belong to it itself, go ahead,
+   *     assuming that the font designer knows what they are doing (otherwise it can
+   *     break Indic stuff when a matra wants to ligate with a conjunct,
+   *
+   *   o If two marks want to ligate and they belong to different components of the
+   *     same ligature glyph, and said ligature glyph is to be ignored according to
+   *     mark-filtering rules, then allow.
+   *     https://github.com/behdad/harfbuzz/issues/545
    */
 
   bool is_mark_ligature = _hb_glyph_info_is_mark (&buffer->cur());
@@ -761,13 +774,41 @@ static inline bool match_input (hb_apply_context_t *c,
     unsigned int this_lig_id = _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx]);
     unsigned int this_lig_comp = _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]);
 
-    if (first_lig_id && first_lig_comp) {
+    if (first_lig_id && first_lig_comp)
+    {
       /* If first component was attached to a previous ligature component,
        * all subsequent components should be attached to the same ligature
-       * component, otherwise we shouldn't ligate them. */
+       * component, otherwise we shouldn't ligate them... */
       if (first_lig_id != this_lig_id || first_lig_comp != this_lig_comp)
-	return_trace (false);
-    } else {
+      {
+        if (first_lig_id != this_lig_id && this_lig_id != 0)
+	  return_trace (false);
+
+        /* ...unless, we are attached to a base ligature and that base
+	 * ligature is ignorable. */
+	bool found = false;
+	const hb_glyph_info_t *out = buffer->out_info;
+	unsigned int j = buffer->out_len;
+	while (j && _hb_glyph_info_get_lig_id (&out[j - 1]) == first_lig_id)
+	{
+	  if (_hb_glyph_info_get_lig_comp (&out[j - 1]) == 0)
+	  {
+	    j--;
+	    found = true;
+	    break;
+	  }
+	  j--;
+	}
+
+	if (!found)
+	  return_trace (false);
+
+	if (skippy_iter.may_skip (c, out[j]) != hb_apply_context_t::matcher_t::SKIP_YES)
+	  return_trace (false);
+      }
+    }
+    else
+     {
       /* If first component was NOT attached to a previous ligature component,
        * all subsequent components should also NOT be attached to any ligature
        * component, unless they are attached to the first component itself! */
diff --git a/test/shaping/fonts/sha1sum/a6c76d1bafde4a0b1026ebcc932d2e5c6fd02442.ttf b/test/shaping/fonts/sha1sum/a6c76d1bafde4a0b1026ebcc932d2e5c6fd02442.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..7930a96b0bfa9a4024c56888a70032fceaeb76fb
GIT binary patch
literal 1384
zcmZuwOH30{6g}_Fz?6zu6!9BUtg<i|+o>oRjMAWJAb$8nqEW2;kt#t^bmf|r8ygc{
zm_`@6av?ibEKC>Z3Zn}*#)Y`CF_FYz=y>j%rW*B4-sjwRKWFZ{7Ye{y+=YeHZLLR-
zVHmprYmw4}ZKqFl-T(CH8DNKqpSN}OBzilWwh+$=KGn6?oyM(EK(`WK>Q5yn!qd@j
z#7~I3hsSRZ^=+Sj&hrP(mm`D8f%4jiZGg%W?;oL{q}t0+KTN!HBz0rD^lAPzF(GQk
zuk|PK6|boOg19=BoSwi|oF~3V9KM=N4O&0fJfQv$;>5(Y>o?xVS`LtZGjSRUuGgsU
zsqZKQc10TEmGR2j%DAe}uDJQk%1U<irk=|$dR|d)hY9VVOl_dO_QrG_z0WZ_4!y=3
zBAYfw8q(?XfUE1$uIrLYQKz8MKrJc^q;(w?JTIRq_=v#q8p%t;=1Mz3-W&RcV{Fpd
zH08Vt;sj@iH-df-UBp!g!!=(5CvlD{qRF`>(mvm}u6Y@jwIqgbzvwGwU+#IF&v=b`
z#tIWVeu`=G9T#*j_j$N7$!JXUy)kObi9W3*VXAxcnS8mPDRK}s86~jvVZKNS0(wS#
zq21rrMf$AwRb>5l^t7Kni6bF9bjS)bMwXnVGUQ*#jClvbk{`oX_Nqcos+hwg#N`M`
zKIvgwXiw;1=n&r$1=J)cx0?H$dzV|tE&Rh<qei^hWxT1TFaNAjL3A8ROkxNLOyLec
z*@w}IL9SC6H@7}38hW#mxBrYF|3WKE*{Vd9Dn|uWnF=~nS4U&f=stgsCDs@mOT?n_
zR$t~8_IQ(z<1On7Hq>e1Y})V_jzx<$(us;WsVMNN;aNVZC7XR9yR=t1=X#zMWr|Xp
zH4!kjQh!mjvZ;@CbfY45JLR(Lq-MeF%G>-t(^o1vd4*bLE!ayWQ{(ig7-=&jhUw9l
zOB{*mv$A;-9x^x6zJ{GK%c@k~8MDq(rcF0UN0`ds`jK~jodoH*8OpE>6q(5%GQ#EY
zTSKUroERB0FYHVG{8(hM8y&O|uY4)4!a*3@%!f7{g{5ueLCXKsFm-2Sj*049R#D=6
NaOk6yJt0<P{R?k+-5LM@

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/ligature-id.tests b/test/shaping/tests/ligature-id.tests
index a1ce2bbfe..cd7f16594 100644
--- a/test/shaping/tests/ligature-id.tests
+++ b/test/shaping/tests/ligature-id.tests
@@ -33,3 +33,4 @@ fonts/sha1sum/1c2fb74c1b2aa173262734c1f616148f1648cfd6.ttf::U+0995,U+09CD,U+0995
 fonts/sha1sum/1c2fb74c1b2aa173262734c1f616148f1648cfd6.ttf::U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0020,U+0995,U+09CD,U+09B0,U+0995,U+09CD,U+09B2:[u0995_u09CD.half_u0995.pres=0+566|u0995_u09CD.half_u0995.pres=3+566|u0995_u09CD.half_u0995.pres=6+566|u0995_u09CD.half_u0995.pres=9+566|u0995_u09CD.half_u0995.pres=12+566|u0995_u09CD.half_u0995.pres=15+566|u0995_u09CD.half_u0995.pres=18+566|u0995_u09CD.half_u0995.pres=21+566|u0995_u09CD.half_u0995.pres=24+566|u0995_u09CD.half_u0995.pres=27+566|u0995_u09CD.half_u0995.pres=30+566|u0995_u09CD.half_u0995.pres=33+566|u0995_u09CD.half_u0995.pres=36+566|u0995_u09CD.half_u0995.pres=39+566|u0995_u09CD.half_u0995.pres=42+566|u0995_u09CD.half_u0995.pres=45+566|u0995_u09CD.half_u0995.pres=48+566|u0995_u09CD.half_u0995.pres=51+566|u0995_u09CD.half_u0995.pres=54+566|u0995_u09CD.half_u0995.pres=57+566|u0995_u09CD.half_u0995.pres=60+566|u0995_u09CD.half_u0995.pres=63+566|u0995_u09CD.half_u0995.pres=66+566|u0995_u09CD.half_u0995.pres=69+566|u0995_u09CD.half_u0995.pres=72+566|u0995_u09CD.half_u0995.pres=75+566|u0995_u09CD.half_u0995.pres=78+566|u0995_u09CD.half_u0995.pres=81+566|u0995_u09CD.half_u0995.pres=84+566|u0995_u09CD.half_u0995.pres=87+566|u0995_u09CD.half_u0995.pres=90+566|u0995_u09CD.half_u0995.pres=93+566|u0995_u09CD.half_u0995.pres=96+566|space=99+213|u0995_u09B0_u09CD.blwf.vatu=100+643|u0995_u09CD.half_u09B2.pres=103+602]
 fonts/sha1sum/1c2fb74c1b2aa173262734c1f616148f1648cfd6.ttf::U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0020,U+0995,U+09CD,U+09B0,U+0995,U+09CD,U+09B2:[u0995_u09CD.half_u0995.pres=0+566|u0995_u09CD.half_u0995.pres=3+566|u0995_u09CD.half_u0995.pres=6+566|u0995_u09CD.half_u0995.pres=9+566|u0995_u09CD.half_u0995.pres=12+566|u0995_u09CD.half_u0995.pres=15+566|u0995_u09CD.half_u0995.pres=18+566|u0995_u09CD.half_u0995.pres=21+566|u0995_u09CD.half_u0995.pres=24+566|u0995_u09CD.half_u0995.pres=27+566|u0995_u09CD.half_u0995.pres=30+566|u0995_u09CD.half_u0995.pres=33+566|u0995_u09CD.half_u0995.pres=36+566|u0995_u09CD.half_u0995.pres=39+566|u0995_u09CD.half_u0995.pres=42+566|u0995_u09CD.half_u0995.pres=45+566|u0995_u09CD.half_u0995.pres=48+566|u0995_u09CD.half_u0995.pres=51+566|u0995_u09CD.half_u0995.pres=54+566|u0995_u09CD.half_u0995.pres=57+566|u0995_u09CD.half_u0995.pres=60+566|u0995_u09CD.half_u0995.pres=63+566|u0995_u09CD.half_u0995.pres=66+566|u0995_u09CD.half_u0995.pres=69+566|u0995_u09CD.half_u0995.pres=72+566|u0995_u09CD.half_u0995.pres=75+566|u0995_u09CD.half_u0995.pres=78+566|u0995_u09CD.half_u0995.pres=81+566|u0995_u09CD.half_u0995.pres=84+566|u0995_u09CD.half_u0995.pres=87+566|u0995_u09CD.half_u0995.pres=90+566|u0995_u09CD.half_u0995.pres=93+566|u0995_u09CD.half_u0995.pres=96+566|u0995_u09CD.half_u0995.pres=99+566|space=102+213|u0995_u09B0_u09CD.blwf.vatu=103+643|u0995_u09CD.half_u09B2.pres=106+602]
 fonts/sha1sum/1c2fb74c1b2aa173262734c1f616148f1648cfd6.ttf::U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0995,U+09CD,U+0995,U+0020,U+0995,U+09CD,U+09B0,U+0995,U+09CD,U+09B2:[u0995_u09CD.half_u0995.pres=0+566|u0995_u09CD.half_u0995.pres=3+566|u0995_u09CD.half_u0995.pres=6+566|u0995_u09CD.half_u0995.pres=9+566|u0995_u09CD.half_u0995.pres=12+566|u0995_u09CD.half_u0995.pres=15+566|u0995_u09CD.half_u0995.pres=18+566|u0995_u09CD.half_u0995.pres=21+566|u0995_u09CD.half_u0995.pres=24+566|u0995_u09CD.half_u0995.pres=27+566|u0995_u09CD.half_u0995.pres=30+566|u0995_u09CD.half_u0995.pres=33+566|u0995_u09CD.half_u0995.pres=36+566|u0995_u09CD.half_u0995.pres=39+566|u0995_u09CD.half_u0995.pres=42+566|u0995_u09CD.half_u0995.pres=45+566|u0995_u09CD.half_u0995.pres=48+566|u0995_u09CD.half_u0995.pres=51+566|u0995_u09CD.half_u0995.pres=54+566|u0995_u09CD.half_u0995.pres=57+566|u0995_u09CD.half_u0995.pres=60+566|u0995_u09CD.half_u0995.pres=63+566|u0995_u09CD.half_u0995.pres=66+566|u0995_u09CD.half_u0995.pres=69+566|u0995_u09CD.half_u0995.pres=72+566|u0995_u09CD.half_u0995.pres=75+566|u0995_u09CD.half_u0995.pres=78+566|u0995_u09CD.half_u0995.pres=81+566|u0995_u09CD.half_u0995.pres=84+566|u0995_u09CD.half_u0995.pres=87+566|u0995_u09CD.half_u0995.pres=90+566|u0995_u09CD.half_u0995.pres=93+566|u0995_u09CD.half_u0995.pres=96+566|u0995_u09CD.half_u0995.pres=99+566|u0995_u09CD.half_u0995.pres=102+566|space=105+213|u0995_u09B0_u09CD.blwf.vatu=106+643|u0995_u09CD.half_u09B2.pres=109+602]
+fonts/sha1sum/a6c76d1bafde4a0b1026ebcc932d2e5c6fd02442.ttf::U+1004,U+103A,U+1039,U+101B,U+103D,U+102D:[uni101B103D=0+450|uni1004103A1039102D=0@-50,0+0]

From 1633513996f902e95642fcaf9205dded55f509ff Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 20:28:56 +0200
Subject: [PATCH 0411/1326] Add test for U+0A51

New Indic numbers are:

BENGALI: 353725 out of 354188 tests passed. 463 failed (0.130722%)
DEVANAGARI: 707307 out of 707394 tests passed. 87 failed (0.0122987%)
GUJARATI: 366355 out of 366457 tests passed. 102 failed (0.0278341%)
GURMUKHI: 60729 out of 60747 tests passed. 18 failed (0.0296311%)
KANNADA: 951201 out of 951913 tests passed. 712 failed (0.0747968%)
KHMER: 299071 out of 299124 tests passed. 53 failed (0.0177184%)
MALAYALAM: 1048136 out of 1048334 tests passed. 198 failed (0.0188871%)
ORIYA: 42320 out of 42329 tests passed. 9 failed (0.021262%)
SINHALA: 271662 out of 271847 tests passed. 185 failed (0.068053%)
TAMIL: 1091754 out of 1091754 tests passed. 0 failed (0%)
TELUGU: 970555 out of 970573 tests passed. 18 failed (0.00185457%)

Before 71c0a1429db7c7e7e32507be248c9457e1cbfc7d GURMUKHI used to be at 15,
because Uniscribe seems to allow this character standalone, but that looks
wrong.
---
 .../1735326da89f0818cd8c51a0600e9789812c0f94.ttf | Bin 0 -> 1008 bytes
 test/shaping/tests/indic-syllable.tests          |   2 ++
 2 files changed, 2 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf

diff --git a/test/shaping/fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf b/test/shaping/fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..b1e4cdbbe33b8bf142f1f0cfca6e22490e11ab4e
GIT binary patch
literal 1008
zcmaiz-%FEG7{|ZwkL{gqsi_Q#{mQf=Bw^DDZbANPU4*kn&_$3h>NaiDp&P8LN~){K
zuA(l20<Q|9KOpD_7!mdZy-K1VbYl=ypa?qO^*!&a3Ep%L?|GijbDrls=bY!fkN{NS
zG87ENdU}t;k0XF`ht>nJ{&)g=;37XK*TfQMx)%3+Tp)iS2jYpA;MDT;O+e0&2L`ix
zuJi1#I`SO3HKkAHps_=_L3X7w7nApwPWDm%$?tc1SRZnP=a=cPlEY~ls@t?C@(FTd
zI-4&#zLnpTqhwcRd{D<;6alG3c4YNp4j!q7{D~YG)3d|s>aG^%BceYyKAE2`+JBJy
z$sLf5nT;v@p<W3mpt;?lP_SKVfO7D4@a4>It)lj;vD76UU6_~dNe;<1$}AYgXXT;l
zWlSxzH{dXWT&ss!>+Sm++FHY*pxah2v`}zM*8PWVRwyIoUa!By<MVrs)d-thE5>ut
zNF=%uHdQfLR%4Z}9e%I!-RF(?Jf5p!ip_Xs$!+BU9U@+c+A6rsGZa}xLEBB;WO1Kj
zM$#T%YB$vL)zK9=9j4#A%F-L5EZDCV*Jn$Mu1>9)SOM9bhWZvS0Aoh2=N)kkt-16R
zaDG{zHLkllcjOa0QPoG%E!Y6tU0aB2JhP-cg`|9iRd(8B)uzgP4VxLPJU}cSkKtJ5
zsirwAht{m{{;dq^nz}|kU>05C$er-CDh^TFDJ94vvRr1_O}X-9F>J-sgK6OtQECNk
zjbuxg`ByZe597%53m^d<W0<5CLje=Wa=d^vMsOO#NRcx1nAqBRIf<mX`p$t*Q<5d6
zqA;ZE`BY(|pcTeOf^FU1rlZVS$=vDIDcq)25@#@Nc50%MR_7b0CSJ3PyS19d9-c|&
M>OoYA9RFtV7tl7ZJOBUy

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index 5b0ae90aa..3b5d1ebeb 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -3,3 +3,5 @@ fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]
 fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf::U+0980,U+0981:[anjibeng=0+520|candrabindubeng=0+0]
 fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf::U+0A15,U+0A51,U+0A47:[kaguru=0+1273|udaatguru=0@75,0+0|eematraguru=0@-40,0+0]
+fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+0A51:[uni25CC=0+1044|udaatguru=0+0]
+fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+25CC,U+0A51:[uni25CC=0+1044|udaatguru=0+0]

From bbe94777c94637da1bcf944124b5079662618a1e Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Mon, 2 Oct 2017 22:36:14 +0200
Subject: [PATCH 0412/1326] Print test-suite.log when CI builds fail

---
 .travis.yml  | 2 +-
 appveyor.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 1b150584e..70e5fa688 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,7 +29,7 @@ script:
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then export CONFIGURE_OPTS="$CONFIGURE_OPTS --with-coretext"; fi
   - ./configure $CONFIGURE_OPTS
   - make
-  - make check
+  - make check || (cat test/*/test-suite.log && false)
   - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SLUG" == "behdad/harfbuzz" ]; then rm -f src/.libs/NONE.gcov; touch src/NONE; coveralls -e docs; fi
 after_success:
   - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SECURE_ENV_VARS" == "true" ]; then bash .ci/deploy-docs.sh; fi
diff --git a/appveyor.yml b/appveyor.yml
index 05a371a69..49d741ed7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -65,7 +65,7 @@ build_script:
   - 'if "%compiler%"=="nmake" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 install' # FREETYPE=1 install'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
-  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check"'
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat test/*/test-suite.log && false)"'
 
 # disable automatic tests
 test: off

From c44657a05d565ec5f2c32ac15d4ecfbee00ac5f7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Oct 2017 13:14:17 +0200
Subject: [PATCH 0413/1326] Tweak input matching some more

Followup to 8b2c94c43fd335b944d5e5487265706b8e0f9041

Allow matching sequences of marks attached to different ligatures,
as supposedly the base of the subsequent marks were already jumped
over.
---
 src/hb-ot-layout-gsubgpos-private.hh | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index f2ad9f1c9..aa0862ad2 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -781,9 +781,6 @@ static inline bool match_input (hb_apply_context_t *c,
        * component, otherwise we shouldn't ligate them... */
       if (first_lig_id != this_lig_id || first_lig_comp != this_lig_comp)
       {
-        if (first_lig_id != this_lig_id && this_lig_id != 0)
-	  return_trace (false);
-
         /* ...unless, we are attached to a base ligature and that base
 	 * ligature is ignorable. */
 	bool found = false;

From 09cbeb2246217dce61ccc0638edb6211facca4b0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Oct 2017 13:22:07 +0200
Subject: [PATCH 0414/1326] Make bots happy

Fixes https://github.com/behdad/harfbuzz/issues/551
---
 test/shaping/tests/indic-syllable.tests | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index 3b5d1ebeb..500fa84bd 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -1,7 +1,7 @@
 fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3:[taprehalftamil=0+1509|uni00B3=2+674]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]
-fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf::U+0980,U+0981:[anjibeng=0+520|candrabindubeng=0+0]
+fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf:--font-funcs=ot:U+0980,U+0981:[gid1=0+520|gid2=0+0]
 fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf::U+0A15,U+0A51,U+0A47:[kaguru=0+1273|udaatguru=0@75,0+0|eematraguru=0@-40,0+0]
 fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+0A51:[uni25CC=0+1044|udaatguru=0+0]
 fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+25CC,U+0A51:[uni25CC=0+1044|udaatguru=0+0]

From 771970efa15fc0b77841b7f0a3e266cdcf51246e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Oct 2017 13:23:31 +0200
Subject: [PATCH 0415/1326] Minor

---
 .travis.yml  | 2 +-
 appveyor.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 70e5fa688..fd2139ae7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,7 +29,7 @@ script:
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then export CONFIGURE_OPTS="$CONFIGURE_OPTS --with-coretext"; fi
   - ./configure $CONFIGURE_OPTS
   - make
-  - make check || (cat test/*/test-suite.log && false)
+  - make check || (cat */test-suite.log test/*/test-suite.log && false)
   - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SLUG" == "behdad/harfbuzz" ]; then rm -f src/.libs/NONE.gcov; touch src/NONE; coveralls -e docs; fi
 after_success:
   - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SECURE_ENV_VARS" == "true" ]; then bash .ci/deploy-docs.sh; fi
diff --git a/appveyor.yml b/appveyor.yml
index 49d741ed7..3d3f77742 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -65,7 +65,7 @@ build_script:
   - 'if "%compiler%"=="nmake" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 install' # FREETYPE=1 install'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
-  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat test/*/test-suite.log && false)"'
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat */test-suite.log test/*/test-suite.log && false)"'
 
 # disable automatic tests
 test: off

From 5d98de1f382254a8a21fd9a04b642268a21be16f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Oct 2017 13:46:25 +0200
Subject: [PATCH 0416/1326] Tweak mark-base attachment

Apparently a base glyph can also become an attached component of a
ligature if the ligature-forming lookup used IgnoreBase.  This was
being confused with a non-first component of a MultipleSubst and
hence not matched for mark-attachment.  Tweak test to fix.

Fixes https://github.com/behdad/harfbuzz/issues/543
---
 src/hb-ot-layout-gpos-table.hh                   |   4 +++-
 test/shaping/Makefile.am                         |   1 +
 .../98b7887cff91f722b92a8ff800120954606354f9.ttf | Bin 0 -> 1168 bytes
 test/shaping/tests/mark-attachment.tests         |   1 +
 4 files changed, 5 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/98b7887cff91f722b92a8ff800120954606354f9.ttf
 create mode 100644 test/shaping/tests/mark-attachment.tests

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 738ca8c44..e45ce2721 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -1087,7 +1087,9 @@ struct MarkBasePosFormat1
     do {
       if (!skippy_iter.prev ()) return_trace (false);
       /* We only want to attach to the first of a MultipleSubst sequence.  Reject others. */
-      if (0 == _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx])) break;
+      if (!_hb_glyph_info_multiplied (&buffer->info[skippy_iter.idx]) ||
+	  0 == _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]))
+	break;
       skippy_iter.reject ();
     } while (1);
 
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 6617e679c..d56bcc4c3 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -62,6 +62,7 @@ TESTS = \
 	tests/indic-syllable.tests \
 	tests/language-tags.tests \
 	tests/ligature-id.tests \
+	tests/mark-attachment.tests \
 	tests/mark-filtering-sets.tests \
 	tests/mongolian-variation-selector.tests \
 	tests/spaces.tests \
diff --git a/test/shaping/fonts/sha1sum/98b7887cff91f722b92a8ff800120954606354f9.ttf b/test/shaping/fonts/sha1sum/98b7887cff91f722b92a8ff800120954606354f9.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..4835c762378fa2a51a8ff8a1c40e290464693dcd
GIT binary patch
literal 1168
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zwzYR4gi^p-qPMoQx2Jz4^>m$hmH2UI|3J%!fp5EjCq&%W(_d#V6wD_8eU|w4a3YfQ
zzw|#LULo!ti!Y8|c(^9q&z!Gg(a1>Q+K;<{S|@Id(cyjJJR{#nd@7chUGUt)8ODDR
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z2f0A7w5n9*h#Io@&#4X0o&7@LI8Az)JIE=oI$l-EY3uObCtb6*YWeNoOH85<v5F3O
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zp>nM(<xyUhlRGy#ULOc_xNESrz~EqOeZbE8{;t7B=2Aw5o3xThv2mss)GKw1oo7~$
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zk&5%V`glvP3fp<W+oE_Y`M0QY@u+foB#$sFQ43|%<Q-DL=$-id3{P@-?%8GBBR5+?
OEUC@IO6BzI$$tQW1i>!=

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/mark-attachment.tests b/test/shaping/tests/mark-attachment.tests
new file mode 100644
index 000000000..c3c2d2784
--- /dev/null
+++ b/test/shaping/tests/mark-attachment.tests
@@ -0,0 +1 @@
+fonts/sha1sum/98b7887cff91f722b92a8ff800120954606354f9.ttf::U+100F,U+103C,U+102F,U+1036:[uni103C102F=0+150|uni100F=0+550|uni1036=0@-150,0+0]

From 3ca9c92aa68956889642690e176c9161ff52edfe Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Tue, 3 Oct 2017 08:07:02 -0400
Subject: [PATCH 0417/1326] Test Consonant_With_Stacker in Kannada (#530)

---
 test/shaping/Makefile.am                      |   1 +
 test/shaping/fonts/COPYING                    | 100 ++++++++++++++++++
 ...1421e629668b1a1242245d39238ca48432d35d.ttf | Bin 0 -> 1084 bytes
 ...c88ebbe938680b08f92c3de20713183e0c7481.ttf | Bin 0 -> 3300 bytes
 ...3aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf | Bin 0 -> 1204 bytes
 ...14549f766436cf55b2ceb40e462038938ee899.ttf | Bin 0 -> 2720 bytes
 .../tests/indic-consonant-with-stacker.tests  |   4 +
 7 files changed, 105 insertions(+)
 create mode 100644 test/shaping/fonts/COPYING
 create mode 100644 test/shaping/fonts/sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf
 create mode 100644 test/shaping/fonts/sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf
 create mode 100644 test/shaping/fonts/sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf
 create mode 100644 test/shaping/fonts/sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf
 create mode 100644 test/shaping/tests/indic-consonant-with-stacker.tests

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index d56bcc4c3..d29800c45 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -55,6 +55,7 @@ TESTS = \
 	tests/fuzzed.tests \
 	tests/hangul-jamo.tests \
 	tests/hyphens.tests \
+	tests/indic-consonant-with-stacker.tests \
 	tests/indic-joiner-candrabindu.tests \
 	tests/indic-joiners.tests \
 	tests/indic-old-spec.tests \
diff --git a/test/shaping/fonts/COPYING b/test/shaping/fonts/COPYING
new file mode 100644
index 000000000..87faaca0a
--- /dev/null
+++ b/test/shaping/fonts/COPYING
@@ -0,0 +1,100 @@
+The following license applies to these fonts:
+
+    sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf
+    sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf
+    sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf
+    sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf
+
+
+This Font Software is licensed under the SIL Open Font License,
+Version 1.1.
+
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font
+creation efforts of academic and linguistic communities, and to
+provide a free and open framework in which fonts may be shared and
+improved in partnership with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply to
+any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software
+components as distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to,
+deleting, or substituting -- in part or in whole -- any of the
+components of the Original Version, by changing formats or by porting
+the Font Software to a new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed,
+modify, redistribute, and sell modified and unmodified copies of the
+Font Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components, in
+Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the
+corresponding Copyright Holder. This restriction only applies to the
+primary font name as presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created using
+the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
diff --git a/test/shaping/fonts/sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf b/test/shaping/fonts/sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf
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diff --git a/test/shaping/fonts/sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf b/test/shaping/fonts/sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf
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diff --git a/test/shaping/fonts/sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf b/test/shaping/fonts/sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..8f7fda506b4967a01a12be8bbd8629a3d0029fc1
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/fonts/sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf b/test/shaping/fonts/sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..9a34ba51b1a188df3bdcae9d6235137e5641d121
GIT binary patch
literal 2720
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J`H%bG@gF)k*9QOq

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-consonant-with-stacker.tests b/test/shaping/tests/indic-consonant-with-stacker.tests
new file mode 100644
index 000000000..8890570cf
--- /dev/null
+++ b/test/shaping/tests/indic-consonant-with-stacker.tests
@@ -0,0 +1,4 @@
+fonts/sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf::U+0CF1,U+0C95:[uni0CF1=0+1129|uni0C95_uni0CCD.blwf=1+358]
+fonts/sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf::U+0CF2,U+0CAA:[uni0CF2=0+1539|uni0CAA_uni0CCD.blwf=1+245]
+fonts/sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf::U+0CF1:[uni0CF1=0+1129]
+fonts/sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf::U+0CF2:[uni0CF2=0+1539]

From e07669fc43c0e23d337ad984aa128c3a08c9c1bb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Oct 2017 14:57:14 +0200
Subject: [PATCH 0418/1326] [use] Implement Consonant_With_Stacker

Related to https://github.com/behdad/harfbuzz/issues/528
---
 src/gen-use-table.py                   | 7 ++++---
 src/hb-ot-shape-complex-use-machine.rl | 5 +++--
 src/hb-ot-shape-complex-use-private.hh | 3 ++-
 src/hb-ot-shape-complex-use-table.cc   | 6 ++++--
 4 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index 4f4826125..09cc64fa6 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -178,6 +178,8 @@ def is_CONS_MOD(U, UISC, UGC):
 def is_CONS_SUB(U, UISC, UGC):
 	#SPEC-DRAFT return UISC == Consonant_Subjoined
 	return UISC == Consonant_Subjoined and UGC != Lo
+def is_CONS_WITH_STACKER(U, UISC, UGC):
+	return UISC == Consonant_With_Stacker
 def is_HALANT(U, UISC, UGC):
 	return UISC in [Virama, Invisible_Stacker]
 def is_HALANT_NUM(U, UISC, UGC):
@@ -199,9 +201,7 @@ def is_OTHER(U, UISC, UGC):
 def is_Reserved(U, UISC, UGC):
 	return UGC == 'Cn'
 def is_REPHA(U, UISC, UGC):
-	#return UISC == Consonant_Preceding_Repha
-	#SPEC-OUTDATED hack to categorize Consonant_With_Stacker and Consonant_Prefixed
-	return UISC in [Consonant_Preceding_Repha, Consonant_With_Stacker, Consonant_Prefixed]
+	return UISC in [Consonant_Preceding_Repha, Consonant_Prefixed]
 def is_SYM(U, UISC, UGC):
 	if U == 0x25CC: return False #SPEC-DRAFT
 	#SPEC-DRAFT return UGC in [So, Sc] or UISC == Symbol_Letter
@@ -230,6 +230,7 @@ use_mapping = {
 	'M':	is_CONS_MED,
 	'CM':	is_CONS_MOD,
 	'SUB':	is_CONS_SUB,
+	'CS':	is_CONS_WITH_STACKER,
 	'H':	is_HALANT,
 	'HN':	is_HALANT_NUM,
 	'ZWNJ':	is_ZWNJ,
diff --git a/src/hb-ot-shape-complex-use-machine.rl b/src/hb-ot-shape-complex-use-machine.rl
index 2a7f75115..7bd8fce15 100644
--- a/src/hb-ot-shape-complex-use-machine.rl
+++ b/src/hb-ot-shape-complex-use-machine.rl
@@ -86,6 +86,7 @@ VMPst	= 39; # VOWEL_MOD_POST
 VMPre	= 23; # VOWEL_MOD_PRE
 SMAbv	= 41; # SYM_MOD_ABOVE
 SMBlw	= 42; # SYM_MOD_BELOW
+CS	= 43; # CONS_WITH_STACKER
 
 
 consonant_modifiers = CMAbv* CMBlw* ((H B | SUB) VS? CMAbv? CMBlw*)*;
@@ -96,12 +97,12 @@ vowel_modifiers = VMPre* VMAbv* VMBlw* VMPst*;
 final_consonants = FAbv* FBlw* FPst* FM?;
 
 virama_terminated_cluster =
-	R? (B | GB) VS?
+	(R|CS)? (B | GB) VS?
 	consonant_modifiers
 	H
 ;
 standard_cluster =
-	R? (B | GB) VS?
+	(R|CS)? (B | GB) VS?
 	consonant_modifiers
 	medial_consonants
 	dependent_vowels
diff --git a/src/hb-ot-shape-complex-use-private.hh b/src/hb-ot-shape-complex-use-private.hh
index ae428cb5e..3e763ae39 100644
--- a/src/hb-ot-shape-complex-use-private.hh
+++ b/src/hb-ot-shape-complex-use-private.hh
@@ -87,7 +87,8 @@ enum use_category_t {
   USE_VMPst	= 39,	/* VOWEL_MOD_POST */
   USE_VMPre	= 23,	/* VOWEL_MOD_PRE */
   USE_SMAbv	= 41,	/* SYM_MOD_ABOVE */
-  USE_SMBlw	= 42	/* SYM_MOD_BELOW */
+  USE_SMBlw	= 42,	/* SYM_MOD_BELOW */
+  USE_CS	= 43	/* CONS_WITH_STACKER */
 };
 
 HB_INTERNAL USE_TABLE_ELEMENT_TYPE
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index daae04ed3..1f90fc858 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -19,6 +19,7 @@
 
 #define B	USE_B	/* BASE */
 #define CGJ	USE_CGJ	/* CGJ */
+#define CS	USE_CS	/* CONS_WITH_STACKER */
 #define FM	USE_FM	/* CONS_FINAL_MOD */
 #define GB	USE_GB	/* BASE_OTHER */
 #define H	USE_H	/* HALANT */
@@ -163,7 +164,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 0CC0 */  VAbv,  VPst,  VPst,  VPst,  VPst,     O,  VAbv,  VAbv,  VAbv,     O,  VAbv,  VAbv,  VAbv,     H,     O,     O,
   /* 0CD0 */     O,     O,     O,     O,     O,  VPst,  VPst,     O,     O,     O,     O,     O,     O,     O,     B,     O,
   /* 0CE0 */     B,     B,  VBlw,  VBlw,     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0CF0 */     O,     R,     R,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
+  /* 0CF0 */     O,    CS,    CS,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
 
   /* Malayalam */
 
@@ -467,7 +468,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
 
   /* Brahmi */
 
-  /* 11000 */ VMPst, VMAbv, VMPst,     R,     R,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
+  /* 11000 */ VMPst, VMAbv, VMPst,    CS,    CS,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 11010 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 11020 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 11030 */     B,     B,     B,     B,     B,     B,     B,     B,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VBlw,  VBlw,  VBlw,
@@ -729,6 +730,7 @@ hb_use_get_categories (hb_codepoint_t u)
 
 #undef B
 #undef CGJ
+#undef CS
 #undef FM
 #undef GB
 #undef H

From f559c633073f63b9d87cb2440048b4413cfa1c05 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Oct 2017 15:20:07 +0200
Subject: [PATCH 0419/1326] [indic] Implement Consonent_With_Stacker

Fixes https://github.com/behdad/harfbuzz/issues/528
---
 src/hb-ot-shape-complex-indic-machine.rl   | 5 +++--
 src/hb-ot-shape-complex-indic-private.hh   | 7 ++++---
 src/hb-ot-shape-complex-myanmar-machine.rl | 5 +++--
 src/hb-ot-shape-complex-myanmar.cc         | 6 +++---
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index 86a7ceb22..58d35c001 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -57,6 +57,7 @@ Repha = 15;
 Ra    = 16;
 CM    = 17;
 Symbol= 18;
+CS    = 19;
 
 c = (C | Ra);			# is_consonant
 n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
@@ -76,9 +77,9 @@ medial_group = CM?;
 halant_or_matra_group = (final_halant_group | (h.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
 
 
-consonant_syllable =	Repha? (cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
+consonant_syllable =	(Repha|CS)? (cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
 vowel_syllable =	reph? V.n? (ZWJ | (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail);
-standalone_cluster =	(Repha? PLACEHOLDER | reph? DOTTEDCIRCLE).n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
+standalone_cluster =	((Repha|CS)? PLACEHOLDER | reph? DOTTEDCIRCLE).n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
 symbol_cluster = 	symbol syllable_tail;
 broken_cluster =	reph? n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
 other =			any;
diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index c880311ee..8263bc808 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -60,7 +60,8 @@ enum indic_category_t {
   OT_Repha = 15, /* Atomically-encoded logical or visual repha. */
   OT_Ra = 16,
   OT_CM = 17,  /* Consonant-Medial. */
-  OT_Symbol = 18 /* Avagraha, etc that take marks (SM,A,VD). */
+  OT_Symbol = 18, /* Avagraha, etc that take marks (SM,A,VD). */
+  OT_CS = 19
 };
 
 #define MEDIAL_FLAGS (FLAG (OT_CM))
@@ -70,7 +71,7 @@ enum indic_category_t {
  * We treat Vowels and placeholders as if they were consonants.  This is safe because Vowels
  * cannot happen in a consonant syllable.  The plus side however is, we can call the
  * consonant syllable logic from the vowel syllable function and get it all right! */
-#define CONSONANT_FLAGS (FLAG (OT_C) | FLAG (OT_Ra) | MEDIAL_FLAGS | FLAG (OT_V) | FLAG (OT_PLACEHOLDER) | FLAG (OT_DOTTEDCIRCLE))
+#define CONSONANT_FLAGS (FLAG (OT_C) | FLAG (OT_CS) | FLAG (OT_Ra) | MEDIAL_FLAGS | FLAG (OT_V) | FLAG (OT_PLACEHOLDER) | FLAG (OT_DOTTEDCIRCLE))
 #define JOINER_FLAGS (FLAG (OT_ZWJ) | FLAG (OT_ZWNJ))
 #define HALANT_OR_COENG_FLAGS (FLAG (OT_H) | FLAG (OT_Coeng))
 
@@ -121,7 +122,7 @@ enum indic_syllabic_category_t {
   INDIC_SYLLABIC_CATEGORY_CONSONANT_PREFIXED		= OT_X, /* Don't care. */
   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED		= OT_CM,
   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA	= OT_N,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER	= OT_C,
+  INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER	= OT_CS,
   INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		= OT_SM,
   INDIC_SYLLABIC_CATEGORY_INVISIBLE_STACKER		= OT_Coeng,
   INDIC_SYLLABIC_CATEGORY_JOINER			= OT_ZWJ,
diff --git a/src/hb-ot-shape-complex-myanmar-machine.rl b/src/hb-ot-shape-complex-myanmar-machine.rl
index 9649a916f..45733ac73 100644
--- a/src/hb-ot-shape-complex-myanmar-machine.rl
+++ b/src/hb-ot-shape-complex-myanmar-machine.rl
@@ -41,7 +41,7 @@
 A    = 10;
 As   = 18;
 C    = 1;
-D    = 19;
+D    = 32;
 D0   = 20;
 DB   = 3;
 GB   = 11;
@@ -62,6 +62,7 @@ ZWJ  = 6;
 ZWNJ = 5;
 Ra   = 16;
 P    = 31;
+CS   = 19;
 
 j = ZWJ|ZWNJ;			# Joiners
 k = (Ra As H);			# Kinzi
@@ -76,7 +77,7 @@ pwo_tone_group = PT A* DB? As?;
 complex_syllable_tail = As* medial_group main_vowel_group post_vowel_group* pwo_tone_group* V* j?;
 syllable_tail = (H | complex_syllable_tail);
 
-consonant_syllable =	k? (c|IV|D|GB).VS? (H (c|IV).VS?)* syllable_tail;
+consonant_syllable =	(k|CS)? (c|IV|D|GB).VS? (H (c|IV).VS?)* syllable_tail;
 punctuation_cluster = 	P V;
 broken_cluster =	k? VS? syllable_tail;
 other =			any;
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index ebd2b4096..676d4948c 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -130,8 +130,7 @@ enum syllable_type_t {
 /* Note: This enum is duplicated in the -machine.rl source file.
  * Not sure how to avoid duplication. */
 enum myanmar_category_t {
-  OT_As  = 18, /* Asat */
-  OT_D   = 19, /* Digits except zero */
+  OT_As  = 18,  /* Asat */
   OT_D0  = 20, /* Digit zero */
   OT_DB  = OT_N, /* Dot below */
   OT_GB  = OT_PLACEHOLDER,
@@ -145,7 +144,8 @@ enum myanmar_category_t {
   OT_VPre = 28,
   OT_VPst = 29,
   OT_VS   = 30, /* Variation selectors */
-  OT_P    = 31  /* Punctuation */
+  OT_P    = 31, /* Punctuation */
+  OT_D    = 32, /* Digits except zero */
 };
 
 

From 63db692fa9efcd760f2e90f93f4e1428d79a3433 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Oct 2017 16:00:18 +0200
Subject: [PATCH 0420/1326] [indic] Fix shaping of U+0AFB GUJARATI SIGN SHADDA

Fixes https://github.com/behdad/harfbuzz/issues/552
---
 src/hb-ot-shape-complex-indic-private.hh | 2 +-
 src/hb-ot-shape-complex-indic.cc         | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index 8263bc808..8fe2509ef 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -123,7 +123,7 @@ enum indic_syllabic_category_t {
   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED		= OT_CM,
   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA	= OT_N,
   INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER	= OT_CS,
-  INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		= OT_SM,
+  INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		= OT_SM, /* https://github.com/behdad/harfbuzz/issues/552 */
   INDIC_SYLLABIC_CATEGORY_INVISIBLE_STACKER		= OT_Coeng,
   INDIC_SYLLABIC_CATEGORY_JOINER			= OT_ZWJ,
   INDIC_SYLLABIC_CATEGORY_MODIFYING_LETTER		= OT_X,
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index d16816016..00130e6c2 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -220,6 +220,8 @@ set_indic_properties (hb_glyph_info_t &info)
   else if (unlikely (u == 0x11303u)) cat = OT_SM;
   else if (unlikely (u == 0x1133cu)) cat = OT_N;
 
+  else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/behdad/harfbuzz/issues/552 */
+
   else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/behdad/harfbuzz/issues/538 */
   else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))

From 9786fcd8fdc0adbe8b6269ddd174ee2818d6fa9e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Oct 2017 17:22:43 +0200
Subject: [PATCH 0421/1326] Fix GPOS v_origin ordering

This should affect mark attachment in vertical text.  I have no font to test,
but this sounds the right order.

Noticed while debugging https://github.com/behdad/harfbuzz/issues/532
---
 src/hb-ot-shape.cc | 44 ++++++++++++++++++++------------------------
 1 file changed, 20 insertions(+), 24 deletions(-)

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 8cd8fcc17..8fc9d464f 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -693,9 +693,9 @@ hb_ot_position_default (hb_ot_shape_context_t *c)
 static inline void
 hb_ot_position_complex (hb_ot_shape_context_t *c)
 {
-  hb_ot_layout_position_start (c->font, c->buffer);
-
   unsigned int count = c->buffer->len;
+  hb_glyph_info_t *info = c->buffer->info;
+  hb_glyph_position_t *pos = c->buffer->pos;
 
   /* If the font has no GPOS, AND, no fallback positioning will
    * happen, AND, direction is forward, then when zeroing mark
@@ -710,6 +710,17 @@ hb_ot_position_complex (hb_ot_shape_context_t *c)
 				     !c->plan->shaper->fallback_position &&
 				     HB_DIRECTION_IS_FORWARD (c->buffer->props.direction);
 
+  /* We change glyph origin to what GPOS expects (horizontal), apply GPOS, change it back. */
+
+  /* The nil glyph_h_origin() func returns 0, so no need to apply it. */
+  if (c->font->has_glyph_h_origin_func ())
+    for (unsigned int i = 0; i < count; i++)
+      c->font->add_glyph_h_origin (info[i].codepoint,
+				   &pos[i].x_offset,
+				   &pos[i].y_offset);
+
+  hb_ot_layout_position_start (c->font, c->buffer);
+
   switch (c->plan->shaper->zero_width_marks)
   {
     case HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY:
@@ -723,30 +734,8 @@ hb_ot_position_complex (hb_ot_shape_context_t *c)
   }
 
   if (likely (!c->fallback_positioning))
-  {
-    hb_glyph_info_t *info = c->buffer->info;
-    hb_glyph_position_t *pos = c->buffer->pos;
-
-    /* Change glyph origin to what GPOS expects (horizontal), apply GPOS, change it back. */
-
-    /* The nil glyph_h_origin() func returns 0, so no need to apply it. */
-    if (c->font->has_glyph_h_origin_func ())
-      for (unsigned int i = 0; i < count; i++)
-	c->font->add_glyph_h_origin (info[i].codepoint,
-				     &pos[i].x_offset,
-				     &pos[i].y_offset);
-
     c->plan->position (c->font, c->buffer);
 
-    /* The nil glyph_h_origin() func returns 0, so no need to apply it. */
-    if (c->font->has_glyph_h_origin_func ())
-      for (unsigned int i = 0; i < count; i++)
-	c->font->subtract_glyph_h_origin (info[i].codepoint,
-					  &pos[i].x_offset,
-					  &pos[i].y_offset);
-
-  }
-
   switch (c->plan->shaper->zero_width_marks)
   {
     case HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE:
@@ -763,6 +752,13 @@ hb_ot_position_complex (hb_ot_shape_context_t *c)
   hb_ot_layout_position_finish_advances (c->font, c->buffer);
   hb_ot_zero_width_default_ignorables (c);
   hb_ot_layout_position_finish_offsets (c->font, c->buffer);
+
+  /* The nil glyph_h_origin() func returns 0, so no need to apply it. */
+  if (c->font->has_glyph_h_origin_func ())
+    for (unsigned int i = 0; i < count; i++)
+      c->font->subtract_glyph_h_origin (info[i].codepoint,
+					&pos[i].x_offset,
+					&pos[i].y_offset);
 }
 
 static inline void

From 50e95229d79bd258ad1d3f6392bfffa128f6df2a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 11:28:04 +0200
Subject: [PATCH 0422/1326] Add Chinantec language tags

Fixes https://github.com/behdad/harfbuzz/issues/516
---
 src/hb-ot-tag.cc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 9b0db507b..f3671babe 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -270,28 +270,36 @@ static const LangTag ot_languages[] = {
   {"cak",	HB_TAG('C','A','K',' ')},	/* Kaqchikel */
   {"cbk",	HB_TAG('C','B','K',' ')},	/* Chavacano */
   {"cbl",	HB_TAG('Q','I','N',' ')},	/* Bualkhaw Chin */
+  {"cco",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"ce",	HB_TAG('C','H','E',' ')},	/* Chechen */
   {"ceb",	HB_TAG('C','E','B',' ')},	/* Cebuano */
   {"cfm",	HB_TAG('H','A','L',' ')},	/* Halam/Falam Chin */
   {"cgg",	HB_TAG('C','G','G',' ')},	/* Chiga */
   {"ch",	HB_TAG('C','H','A',' ')},	/* Chamorro */
+  {"chj",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"chk",	HB_TAG('C','H','K','0')},	/* Chuukese */
   {"cho",	HB_TAG('C','H','O',' ')},	/* Choctaw */
   {"chp",	HB_TAG('C','H','P',' ')},	/* Chipewyan */
+  {"chq",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"chr",	HB_TAG('C','H','R',' ')},	/* Cherokee */
   {"chy",	HB_TAG('C','H','Y',' ')},	/* Cheyenne */
+  {"chz",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"cja",	HB_TAG('C','J','A',' ')},	/* Western Cham */
   {"cjm",	HB_TAG('C','J','M',' ')},	/* Eastern Cham */
   {"cka",	HB_TAG('Q','I','N',' ')},	/* Khumi Awa Chin */
   {"ckb",	HB_TAG('K','U','R',' ')},	/* Central Kurdish (Sorani) */
   {"ckt",	HB_TAG('C','H','K',' ')},	/* Chukchi */
   {"cld",	HB_TAG('S','Y','R',' ')},	/* Chaldean Neo-Aramaic */
+  {"cle",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"cmr",	HB_TAG('Q','I','N',' ')},	/* Mro-Khimi Chin */
   {"cnb",	HB_TAG('Q','I','N',' ')},	/* Chinbon Chin */
   {"cnh",	HB_TAG('Q','I','N',' ')},	/* Hakha Chin */
   {"cnk",	HB_TAG('Q','I','N',' ')},	/* Khumi Chin */
+  {"cnl",	HB_TAG('C','C','H','N')},	/* Chinantec */
+  {"cnt",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"cnw",	HB_TAG('Q','I','N',' ')},	/* Ngawn Chin */
   {"cop",	HB_TAG('C','O','P',' ')},	/* Coptic */
+  {"cpa",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"cpp",	HB_TAG('C','P','P',' ')},	/* Creoles */
   {"cr",	HB_TAG('C','R','E',' ')},	/* Cree */
   {"cre",	HB_TAG('Y','C','R',' ')},	/* Y-Cree */
@@ -302,15 +310,21 @@ static const LangTag ot_languages[] = {
   {"crm",	HB_TAG('M','C','R',' ')},	/* Moose Cree */
   {"crx",	HB_TAG('C','R','R',' ')},	/* Carrier */
   {"cs",	HB_TAG('C','S','Y',' ')},	/* Czech */
+  {"csa",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"csb",	HB_TAG('C','S','B',' ')},	/* Kashubian */
   {"csh",	HB_TAG('Q','I','N',' ')},	/* Asho Chin */
+  {"cso",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"csy",	HB_TAG('Q','I','N',' ')},	/* Siyin Chin */
   {"ctd",	HB_TAG('Q','I','N',' ')},	/* Tedim Chin */
+  {"cte",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"ctg",	HB_TAG('C','T','G',' ')},	/* Chittagonian */
+  {"ctl",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"cts",	HB_TAG('B','I','K',' ')},	/* Northern Catanduanes Bikol */
   {"cu",	HB_TAG('C','S','L',' ')},	/* Church Slavic */
+  {"cuc",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"cuk",	HB_TAG('C','U','K',' ')},	/* San Blas Kuna */
   {"cv",	HB_TAG('C','H','U',' ')},	/* Chuvash */
+  {"cvn",	HB_TAG('C','C','H','N')},	/* Chinantec */
   {"cwd",	HB_TAG('D','C','R',' ')},	/* Woods Cree */
   {"cy",	HB_TAG('W','E','L',' ')},	/* Welsh */
   {"czt",	HB_TAG('Q','I','N',' ')},	/* Zotung Chin */

From d695cacbf4dd5f77b5e7134cf60553775c515ef1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 11:33:47 +0200
Subject: [PATCH 0423/1326] Shorthand format controls should not be ignored

Fixes https://github.com/behdad/harfbuzz/issues/503
---
 src/hb-unicode-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index 34513e132..cd6c67c87 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -141,6 +141,7 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
    * we do NOT want to hide them, as the way Uniscribe has implemented them
    * is with regular spacing glyphs, and that's the way fonts are made to work.
    * As such, we make exceptions for those four.
+   * Also ignoring U+1BCA0..1BCA3. https://github.com/behdad/harfbuzz/issues/503
    *
    * Unicode 7.0:
    * $ grep '; Default_Ignorable_Code_Point ' DerivedCoreProperties.txt | sed 's/;.*#/#/'
@@ -197,8 +198,7 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
     {
       /* Other planes */
       switch (plane) {
-	case 0x01: return hb_in_ranges<hb_codepoint_t> (ch, 0x1BCA0u, 0x1BCA3u,
-					    0x1D173u, 0x1D17Au);
+	case 0x01: return hb_in_range<hb_codepoint_t> (ch, 0x1D173u, 0x1D17Au);
 	case 0x0E: return hb_in_range<hb_codepoint_t> (ch, 0xE0000u, 0xE0FFFu);
 	default: return false;
       }

From 4c05a405acc25c4ef0d70a97c0ae59013abca2df Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 13:06:51 +0200
Subject: [PATCH 0424/1326] Revert "Treat HAMZA ABOVE similar to SHADD for
 sorting purposes"

This reverts commit 5a330575768f5a213072230b9ec8faabac9c5737.

Proper fix coming soon.
---
 src/hb-unicode-private.hh | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index cd6c67c87..eaa12d8f7 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -105,10 +105,6 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
   inline unsigned int
   modified_combining_class (hb_codepoint_t unicode)
   {
-    /* XXX This hack belongs to the Arabic shaper:
-     * Put HAMZA ABOVE in the same class as SHADDA. */
-    if (unlikely (unicode == 0x0654u)) unicode = 0x0651u;
-
     /* XXX This hack belongs to the Myanmar shaper. */
     if (unlikely (unicode == 0x1037u)) unicode = 0x103Au;
 

From a252ad61f077c3b7bbfd8335e1b105a57beb58ce Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 13:07:08 +0200
Subject: [PATCH 0425/1326] Minor

---
 src/hb-unicode-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index eaa12d8f7..44a7471cf 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -108,7 +108,7 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
     /* XXX This hack belongs to the Myanmar shaper. */
     if (unlikely (unicode == 0x1037u)) unicode = 0x103Au;
 
-    /* XXX This hack belongs to the SEA shaper (for Tai Tham):
+    /* XXX This hack belongs to the USE shaper (for Tai Tham):
      * Reorder SAKOT to ensure it comes after any tone marks. */
     if (unlikely (unicode == 0x1A60u)) return 254;
 

From 7f9e7f8689e1d260596f5256947dfbd474afb1ec Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 13:20:33 +0200
Subject: [PATCH 0426/1326] Adjust normalizer for out-of-order marks

We are going to implement Unicode Arabic Mark Ordering Algorithm:

  http://www.unicode.org/reports/tr53/tr53-1.pdf

which will reorder marks out of their sorted ccc order.  Adjust
normalizer to stop combining as soon as dangerous ordering is
detected.
---
 src/hb-ot-shape-normalize.cc | 60 +++++++++++++++++++++---------------
 1 file changed, 36 insertions(+), 24 deletions(-)

diff --git a/src/hb-ot-shape-normalize.cc b/src/hb-ot-shape-normalize.cc
index 94a3d7d27..63f1d2d33 100644
--- a/src/hb-ot-shape-normalize.cc
+++ b/src/hb-ot-shape-normalize.cc
@@ -369,46 +369,58 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
   buffer->clear_output ();
   count = buffer->len;
   unsigned int starter = 0;
+  bool combine = true;
   buffer->next_glyph ();
   while (buffer->idx < count && !buffer->in_error)
   {
     hb_codepoint_t composed, glyph;
-    if (/* We don't try to compose a non-mark character with it's preceding starter.
+    if (combine &&
+	/* We don't try to compose a non-mark character with it's preceding starter.
 	 * This is both an optimization to avoid trying to compose every two neighboring
 	 * glyphs in most scripts AND a desired feature for Hangul.  Apparently Hangul
 	 * fonts are not designed to mix-and-match pre-composed syllables and Jamo. */
-	HB_UNICODE_GENERAL_CATEGORY_IS_MARK (_hb_glyph_info_get_general_category (&buffer->cur())) &&
-	/* If there's anything between the starter and this char, they should have CCC
-	 * smaller than this character's. */
-	(starter == buffer->out_len - 1 ||
-	 _hb_glyph_info_get_modified_combining_class (&buffer->prev()) < _hb_glyph_info_get_modified_combining_class (&buffer->cur())) &&
-	/* And compose. */
-	c.compose (&c,
-		   buffer->out_info[starter].codepoint,
-		   buffer->cur().codepoint,
-		   &composed) &&
-	/* And the font has glyph for the composite. */
-	font->get_nominal_glyph (composed, &glyph))
+	HB_UNICODE_GENERAL_CATEGORY_IS_MARK (_hb_glyph_info_get_general_category (&buffer->cur())))
     {
-      /* Composes. */
-      buffer->next_glyph (); /* Copy to out-buffer. */
-      if (unlikely (buffer->in_error))
-        return;
-      buffer->merge_out_clusters (starter, buffer->out_len);
-      buffer->out_len--; /* Remove the second composable. */
-      /* Modify starter and carry on. */
-      buffer->out_info[starter].codepoint = composed;
-      buffer->out_info[starter].glyph_index() = glyph;
-      _hb_glyph_info_set_unicode_props (&buffer->out_info[starter], buffer);
+      if (/* If there's anything between the starter and this char, they should have CCC
+	   * smaller than this character's. */
+	  (starter == buffer->out_len - 1 ||
+	   _hb_glyph_info_get_modified_combining_class (&buffer->prev()) < _hb_glyph_info_get_modified_combining_class (&buffer->cur())) &&
+	  /* And compose. */
+	  c.compose (&c,
+		     buffer->out_info[starter].codepoint,
+		     buffer->cur().codepoint,
+		     &composed) &&
+	  /* And the font has glyph for the composite. */
+	  font->get_nominal_glyph (composed, &glyph))
+      {
+	/* Composes. */
+	buffer->next_glyph (); /* Copy to out-buffer. */
+	if (unlikely (buffer->in_error))
+	  return;
+	buffer->merge_out_clusters (starter, buffer->out_len);
+	buffer->out_len--; /* Remove the second composable. */
+	/* Modify starter and carry on. */
+	buffer->out_info[starter].codepoint = composed;
+	buffer->out_info[starter].glyph_index() = glyph;
+	_hb_glyph_info_set_unicode_props (&buffer->out_info[starter], buffer);
 
-      continue;
+	continue;
+      }
+      else if (/* We sometimes custom-tailor the sorted order of marks. In that case, stop
+		* trying to combine as soon as combining-class drops. */
+	       starter < buffer->out_len - 1 &&
+	       _hb_glyph_info_get_modified_combining_class (&buffer->prev()) > _hb_glyph_info_get_modified_combining_class (&buffer->cur()))
+        combine = false;
     }
 
     /* Blocked, or doesn't compose. */
     buffer->next_glyph ();
 
     if (_hb_glyph_info_get_modified_combining_class (&buffer->prev()) == 0)
+    {
       starter = buffer->out_len - 1;
+      combine = true;
+    }
   }
   buffer->swap_buffers ();
 

From b6fe0ab636ffac0a246e160b3508cc4841cb1823 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 13:37:08 +0200
Subject: [PATCH 0427/1326] Add info_cc() convenience macro

---
 src/hb-ot-layout-private.hh  | 2 ++
 src/hb-ot-shape-normalize.cc | 6 +++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index d4ac60b06..6717adeb9 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -347,6 +347,8 @@ _hb_glyph_info_get_modified_combining_class (const hb_glyph_info_t *info)
   return _hb_glyph_info_is_unicode_mark (info) ? info->unicode_props()>>8 : 0;
 }
 
+#define info_cc(info) (_hb_glyph_info_get_modified_combining_class (&(info)))
+
 static inline bool
 _hb_glyph_info_is_unicode_space (const hb_glyph_info_t *info)
 {
diff --git a/src/hb-ot-shape-normalize.cc b/src/hb-ot-shape-normalize.cc
index 63f1d2d33..a5144888a 100644
--- a/src/hb-ot-shape-normalize.cc
+++ b/src/hb-ot-shape-normalize.cc
@@ -384,7 +384,7 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
       if (/* If there's anything between the starter and this char, they should have CCC
 	   * smaller than this character's. */
 	  (starter == buffer->out_len - 1 ||
-	   _hb_glyph_info_get_modified_combining_class (&buffer->prev()) < _hb_glyph_info_get_modified_combining_class (&buffer->cur())) &&
+	   info_cc (buffer->prev()) < info_cc (buffer->cur())) &&
 	  /* And compose. */
 	  c.compose (&c,
 		     buffer->out_info[starter].codepoint,
@@ -409,14 +409,14 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
       else if (/* We sometimes custom-tailor the sorted order of marks. In that case, stop
 		* trying to combine as soon as combining-class drops. */
 	       starter < buffer->out_len - 1 &&
-	       _hb_glyph_info_get_modified_combining_class (&buffer->prev()) > _hb_glyph_info_get_modified_combining_class (&buffer->cur()))
+	       info_cc (buffer->prev()) > info_cc (buffer->cur()))
         combine = false;
     }
 
     /* Blocked, or doesn't compose. */
     buffer->next_glyph ();
 
-    if (_hb_glyph_info_get_modified_combining_class (&buffer->prev()) == 0)
+    if (info_cc (buffer->prev()) == 0)
     {
       starter = buffer->out_len - 1;
       combine = true;

From ab8d70ec7023e51ba6fd7267d2b41c5f95ef0787 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 14:47:10 +0200
Subject: [PATCH 0428/1326] [arabic] Implement Unicode Arabic Mark Ordering
 Algorithm UTR#53

Fixes https://github.com/behdad/harfbuzz/issues/509
---
 src/hb-ot-shape-complex-arabic.cc             |  75 ++++++++++++++++++
 src/hb-ot-shape-complex-default.cc            |   1 +
 src/hb-ot-shape-complex-hangul.cc             |   1 +
 src/hb-ot-shape-complex-hebrew.cc             |   1 +
 src/hb-ot-shape-complex-indic.cc              |   1 +
 src/hb-ot-shape-complex-myanmar.cc            |   2 +
 src/hb-ot-shape-complex-private.hh            |  12 +++
 src/hb-ot-shape-complex-thai.cc               |   1 +
 src/hb-ot-shape-complex-tibetan.cc            |   1 +
 src/hb-ot-shape-complex-use.cc                |   1 +
 src/hb-ot-shape-normalize.cc                  |   8 +-
 test/shaping/Makefile.am                      |   1 +
 ...b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf | Bin 0 -> 7160 bytes
 ...a5d6fb15a27521fba9ea4aee9cb39b2d03322a.ttf | Bin 0 -> 6816 bytes
 test/shaping/record-test.sh                   |   2 +-
 test/shaping/tests/arabic-mark-order.tests    |   2 +
 16 files changed, 106 insertions(+), 3 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf
 create mode 100644 test/shaping/fonts/sha1sum/94a5d6fb15a27521fba9ea4aee9cb39b2d03322a.ttf
 create mode 100644 test/shaping/tests/arabic-mark-order.tests

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index ed7b3f2dd..28dd4e1fe 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -613,6 +613,80 @@ postprocess_glyphs_arabic (const hb_ot_shape_plan_t *plan,
   HB_BUFFER_DEALLOCATE_VAR (buffer, arabic_shaping_action);
 }
 
+/* http://www.unicode.org/reports/tr53/tr53-1.pdf */
+
+static hb_codepoint_t
+modifier_combining_marks[] =
+{
+  0x0654u, /* ARABIC HAMZA ABOVE */
+  0x0655u, /* ARABIC HAMZA BELOW */
+  0x0658u, /* ARABIC MARK NOON GHUNNA */
+  0x06DCu, /* ARABIC SMALL HIGH SEEN */
+  0x06E3u, /* ARABIC SMALL LOW SEEN */
+  0x06E7u, /* ARABIC SMALL HIGH YEH */
+  0x06E8u, /* ARABIC SMALL HIGH NOON */
+  0x08F3u, /* ARABIC SMALL HIGH WAW */
+};
+
+static inline bool
+info_is_mcm (const hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  for (unsigned int i = 0; i < ARRAY_LENGTH (modifier_combining_marks); i++)
+    if (u == modifier_combining_marks[i])
+      return true;
+  return false;
+}
+
+static void
+reorder_marks_arabic (const hb_ot_shape_plan_t *plan,
+		      hb_buffer_t              *buffer,
+		      unsigned int              start,
+		      unsigned int              end)
+{
+  hb_glyph_info_t *info = buffer->info;
+
+  unsigned int i = start;
+  for (unsigned int cc = 220; cc <= 230; cc += 10)
+  {
+    DEBUG_MSG (ARABIC, buffer, "Looking for %d's starting at %d\n", cc, i);
+    while (i < end && info_cc(info[i]) < cc)
+      i++;
+    DEBUG_MSG (ARABIC, buffer, "Looking for %d's stopped at %d\n", cc, i);
+
+    if (i == end)
+      break;
+
+    if (info_cc(info[i]) > cc)
+      continue;
+
+    /* Technically we should also check "info_cc(info[j]) == cc"
+     * in the following loop.  But not doing it is safe; we might
+     * end up moving all the 220 MCMs and 230 MCMs together in one
+     * move and be done. */
+    unsigned int j = i;
+    while (j < end && info_is_mcm (info[j]))
+      j++;
+    DEBUG_MSG (ARABIC, buffer, "Found %d's from %d to %d\n", cc, i, j);
+
+    if (i == j)
+      continue;
+
+    /* Shift it! */
+    DEBUG_MSG (ARABIC, buffer, "Shifting %d's: %d %d\n", cc, i, j);
+    hb_glyph_info_t temp[HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS];
+    assert (j - i <= ARRAY_LENGTH (temp));
+    buffer->merge_out_clusters (start, j);
+    memmove (temp, &info[i], (j - i) * sizeof (hb_glyph_info_t));
+    memmove (&info[start + j - i], &info[start], (i - start) * sizeof (hb_glyph_info_t));
+    memmove (&info[start], temp, (j - i) * sizeof (hb_glyph_info_t));
+
+    start += j - i;
+
+    i = j;
+  }
+}
+
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
 {
   "arabic",
@@ -627,6 +701,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
   NULL, /* compose */
   setup_masks_arabic,
   NULL, /* disable_otl */
+  reorder_marks_arabic,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-default.cc b/src/hb-ot-shape-complex-default.cc
index 42830ab61..857980cfc 100644
--- a/src/hb-ot-shape-complex-default.cc
+++ b/src/hb-ot-shape-complex-default.cc
@@ -41,6 +41,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
   NULL, /* compose */
   NULL, /* setup_masks */
   NULL, /* disable_otl */
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index 0e74802ee..63850d36a 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -426,6 +426,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
   NULL, /* compose */
   setup_masks_hangul,
   NULL, /* disable_otl */
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-hebrew.cc b/src/hb-ot-shape-complex-hebrew.cc
index 96f249461..b8ddadc1e 100644
--- a/src/hb-ot-shape-complex-hebrew.cc
+++ b/src/hb-ot-shape-complex-hebrew.cc
@@ -181,6 +181,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
   compose_hebrew,
   NULL, /* setup_masks */
   disable_otl_hebrew,
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 00130e6c2..31dc1c0eb 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1840,6 +1840,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
   compose_indic,
   setup_masks_indic,
   NULL, /* disable_otl */
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 676d4948c..4081ed03d 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -524,6 +524,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_old =
   NULL, /* compose */
   NULL, /* setup_masks */
   NULL, /* disable_otl */
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
@@ -542,6 +543,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
   NULL, /* compose */
   setup_masks_myanmar,
   NULL, /* disable_otl */
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index 8fadd7cdb..979206711 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -39,6 +39,8 @@
 #define complex_var_u8_1()	var2.u8[3]
 
 
+#define HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS 32
+
 enum hb_ot_shape_zero_width_marks_type_t {
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
@@ -154,6 +156,16 @@ struct hb_ot_complex_shaper_t
    */
   bool (*disable_otl) (const hb_ot_shape_plan_t *plan);
 
+  /* reorder_marks()
+   * Called during shape().
+   * Shapers can use to modify ordering of combining marks.
+   * May be NULL.
+   */
+  void (*reorder_marks) (const hb_ot_shape_plan_t *plan,
+			 hb_buffer_t              *buffer,
+			 unsigned int              start,
+			 unsigned int              end);
+
   hb_ot_shape_zero_width_marks_type_t zero_width_marks;
 
   bool fallback_position;
diff --git a/src/hb-ot-shape-complex-thai.cc b/src/hb-ot-shape-complex-thai.cc
index 924247f17..651c47f8f 100644
--- a/src/hb-ot-shape-complex-thai.cc
+++ b/src/hb-ot-shape-complex-thai.cc
@@ -378,6 +378,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_thai =
   NULL, /* compose */
   NULL, /* setup_masks */
   NULL, /* disable_otl */
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   false,/* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-tibetan.cc b/src/hb-ot-shape-complex-tibetan.cc
index aadf59f5a..a85ac0f4b 100644
--- a/src/hb-ot-shape-complex-tibetan.cc
+++ b/src/hb-ot-shape-complex-tibetan.cc
@@ -58,6 +58,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_tibetan =
   NULL, /* compose */
   NULL, /* setup_masks */
   NULL, /* disable_otl */
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index a5ab0ab2a..ac3a24867 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -607,6 +607,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use =
   compose_use,
   setup_masks_use,
   NULL, /* disable_otl */
+  NULL, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-normalize.cc b/src/hb-ot-shape-normalize.cc
index a5144888a..fd9e7c2a8 100644
--- a/src/hb-ot-shape-normalize.cc
+++ b/src/hb-ot-shape-normalize.cc
@@ -345,14 +345,18 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
       if (_hb_glyph_info_get_modified_combining_class (&buffer->info[end]) == 0)
         break;
 
-    /* We are going to do a O(n^2).  Only do this if the sequence is short. */
-    if (end - i > 10) {
+    /* We are going to do a O(n^2).  Only do this if the sequence is short,
+     * but not too short ;). */
+    if (end - i < 2 || end - i > HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS) {
       i = end;
       continue;
     }
 
     buffer->sort (i, end, compare_combining_class);
 
+    if (plan->shaper->reorder_marks)
+      plan->shaper->reorder_marks (plan, buffer, i, end);
+
     i = end;
   }
 
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index d29800c45..ecb836db9 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -44,6 +44,7 @@ TESTS = \
 	tests/arabic-fallback-shaping.tests \
 	tests/arabic-feature-order.tests \
 	tests/arabic-like-joining.tests \
+	tests/arabic-mark-order.tests \
 	tests/automatic-fractions.tests \
 	tests/cluster.tests \
 	tests/color-fonts.tests \
diff --git a/test/shaping/fonts/sha1sum/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf b/test/shaping/fonts/sha1sum/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf
new file mode 100644
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diff --git a/test/shaping/fonts/sha1sum/94a5d6fb15a27521fba9ea4aee9cb39b2d03322a.ttf b/test/shaping/fonts/sha1sum/94a5d6fb15a27521fba9ea4aee9cb39b2d03322a.ttf
new file mode 100644
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HcmV?d00001

diff --git a/test/shaping/record-test.sh b/test/shaping/record-test.sh
index 886d94661..0259c76a7 100755
--- a/test/shaping/record-test.sh
+++ b/test/shaping/record-test.sh
@@ -43,7 +43,7 @@ if test $? != 0; then
 fi
 
 cp "$fontfile" "$dir/font.ttf"
-pyftsubset \
+fonttools subset \
 	--glyph-names \
 	--no-hinting \
 	--layout-features='*' \
diff --git a/test/shaping/tests/arabic-mark-order.tests b/test/shaping/tests/arabic-mark-order.tests
new file mode 100644
index 000000000..b48c82fd3
--- /dev/null
+++ b/test/shaping/tests/arabic-mark-order.tests
@@ -0,0 +1,2 @@
+fonts/sha1sum/94a5d6fb15a27521fba9ea4aee9cb39b2d03322a.ttf::U+064A,U+064E,U+0670,U+0653,U+0640,U+0654,U+064E,U+0627:[afii57415.zz04=7+481|afii57454=4@25,975+0|uni0654=4@-50,50+0|afii57440=4+650|uni0670_uni0653=0@75,400+0|afii57454=0@750,1125+0|afii57450.calt=0+1331]
+fonts/sha1sum/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf::U+0628,U+0618,U+0619,U+064E,U+064F,U+0654,U+0658,U+0653,U+0654,U+0651,U+0656,U+0651,U+065C,U+0655,U+0650:[uni0653.small=0@266,2508+0|uni0654=0@308,2151+0|uni0655=0@518,-1544+0|uni065C=0@501,-1453+0|uni0656=0@573,-659+0|uni0650=0@500,133+0|uni0619=0@300,1807+0|uni0618=0@357,1674+0|uni0651064E=0@387,1178+0|uni0651=0@402,764+0|uni0658=0@424,404+0|uni0654064F=0@540,-435+0|uni0628=0+1352]

From 621c49cb8657a79ee6897c4d313d0e825b2b228f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 15:06:48 +0200
Subject: [PATCH 0429/1326] Improve performance of ligature component matching

This O(N^2) was introduced in 8b2c94c43fd335b944d5e5487265706b8e0f9041.
Make it O(N).
---
 src/hb-ot-layout-gsubgpos-private.hh | 37 ++++++++++++++++++----------
 1 file changed, 24 insertions(+), 13 deletions(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index aa0862ad2..cedf96e3f 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -764,6 +764,12 @@ static inline bool match_input (hb_apply_context_t *c,
   unsigned int first_lig_id = _hb_glyph_info_get_lig_id (&buffer->cur());
   unsigned int first_lig_comp = _hb_glyph_info_get_lig_comp (&buffer->cur());
 
+  enum {
+    LIGBASE_NOT_CHECKED,
+    LIGBASE_MAY_NOT_SKIP,
+    LIGBASE_MAY_SKIP
+  } ligbase = LIGBASE_NOT_CHECKED;
+
   match_positions[0] = buffer->idx;
   for (unsigned int i = 1; i < count; i++)
   {
@@ -783,29 +789,34 @@ static inline bool match_input (hb_apply_context_t *c,
       {
         /* ...unless, we are attached to a base ligature and that base
 	 * ligature is ignorable. */
-	bool found = false;
-	const hb_glyph_info_t *out = buffer->out_info;
-	unsigned int j = buffer->out_len;
-	while (j && _hb_glyph_info_get_lig_id (&out[j - 1]) == first_lig_id)
+        if (ligbase == LIGBASE_NOT_CHECKED)
 	{
-	  if (_hb_glyph_info_get_lig_comp (&out[j - 1]) == 0)
+	  bool found = false;
+	  const hb_glyph_info_t *out = buffer->out_info;
+	  unsigned int j = buffer->out_len;
+	  while (j && _hb_glyph_info_get_lig_id (&out[j - 1]) == first_lig_id)
 	  {
+	    if (_hb_glyph_info_get_lig_comp (&out[j - 1]) == 0)
+	    {
+	      j--;
+	      found = true;
+	      break;
+	    }
 	    j--;
-	    found = true;
-	    break;
 	  }
-	  j--;
+
+	  if (found && skippy_iter.may_skip (c, out[j]) == hb_apply_context_t::matcher_t::SKIP_YES)
+	    ligbase = LIGBASE_MAY_SKIP;
+	  else
+	    ligbase = LIGBASE_MAY_NOT_SKIP;
 	}
 
-	if (!found)
-	  return_trace (false);
-
-	if (skippy_iter.may_skip (c, out[j]) != hb_apply_context_t::matcher_t::SKIP_YES)
+        if (ligbase == LIGBASE_MAY_NOT_SKIP)
 	  return_trace (false);
       }
     }
     else
-     {
+    {
       /* If first component was NOT attached to a previous ligature component,
        * all subsequent components should also NOT be attached to any ligature
        * component, unless they are attached to the first component itself! */

From c9e2cf6f55c7682b8e7020654945ddd074ebfd24 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Oct 2017 16:59:22 +0200
Subject: [PATCH 0430/1326] [ot] Remove 'mal' and 'gle' lang tags

Fixes https://github.com/behdad/harfbuzz/issues/477
---
 src/hb-ot-tag.cc | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index f3671babe..59b7d6a6d 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -394,7 +394,6 @@ static const LangTag ot_languages[] = {
   {"gkp",	HB_TAG('G','K','P',' ')},	/* Kpelle (Guinea) */
   {"gl",	HB_TAG('G','A','L',' ')},	/* Galician */
   {"gld",	HB_TAG('N','A','N',' ')},	/* Nanai */
-  {"gle",	HB_TAG('I','R','T',' ')},	/* Irish Traditional */
   {"glk",	HB_TAG('G','L','K',' ')},	/* Gilaki */
   {"gn",	HB_TAG('G','U','A',' ')},	/* Guarani [macrolanguage] */
   {"gnn",	HB_TAG('G','N','N',' ')},	/* Gumatj */
@@ -552,7 +551,6 @@ static const LangTag ot_languages[] = {
   {"mag",	HB_TAG('M','A','G',' ')},	/* Magahi */
   {"mai",	HB_TAG('M','T','H',' ')},	/* Maithili */
   {"mak",	HB_TAG('M','K','R',' ')},	/* Makasar */
-  {"mal",	HB_TAG('M','A','L',' ')},	/* Malayalam */
   {"mam",	HB_TAG('M','A','M',' ')},	/* Mam */
   {"man",	HB_TAG('M','N','K',' ')},	/* Manding/Mandingo [macrolanguage] */
   {"mdc",	HB_TAG('M','L','E',' ')},	/* Male (Papua New Guinea) */

From 48a9406839f086735a05a2f1a07987b8a6bd6d33 Mon Sep 17 00:00:00 2001
From: fanc999 <fanc999@yahoo.com.tw>
Date: Sat, 7 Oct 2017 18:57:14 +0800
Subject: [PATCH 0431/1326] Fix build of HarfBuzz tools and HarfBuzz-GObject on
 Visual Studio (#555)

* hb-buffer.h: Mark hb_buffer_diff() for export

This will fix the tools builds on Visual Studio, as the symbol is used
by the tools.

* build: Adapt NMake Makefiles for GLib 2.53.4 or later

glib-mkenums was ported from a PERL script to a Python script, so we
need to update how we generate the enum sources for HarfBuzz-GObject in
the NMake builds.  Let this be known in the build documentation for MSVC
builds.

One of the problems with the underlying cmd.exe that the NMake Makefiles
run on is that shebang lines are not recognized, so we need to to test
run the script with Python and see whether it succeeded by outputing a
source file that is larger than 0 in file size (since running the PERL
version of the script will clearly fail and cause an empty file to be
created).

If it succeeds, we then run a small Python utility script that makes the
necessary string replacements, and we are done.  If that fails, then we
run the glib-mkenums script with PERL, and do the replacements with the
PERL one-liners as we did before.

We need to make replace.py use latin-1 encoding when using Python 3.x to
cope with the copyright sign that is in the generated enum sources.
---
 src/hb-buffer.h         |  2 +-
 win32/Makefile.am       |  4 +++-
 win32/README.txt        |  5 +++--
 win32/generate-msvc.mak | 17 ++++++++++++-----
 win32/info-msvc.mak     |  5 ++++-
 win32/replace.py        |  2 +-
 win32/sed-enums-srcs.py | 36 ++++++++++++++++++++++++++++++++++++
 7 files changed, 60 insertions(+), 11 deletions(-)
 create mode 100644 win32/sed-enums-srcs.py

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 1d633f7dc..42564bb19 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -504,7 +504,7 @@ typedef enum { /*< flags >*/
 } hb_buffer_diff_flags_t;
 
 /* Compare the contents of two buffers, report types of differences. */
-hb_buffer_diff_flags_t
+HB_EXTERN hb_buffer_diff_flags_t
 hb_buffer_diff (hb_buffer_t *buffer,
 		hb_buffer_t *reference,
 		hb_codepoint_t dottedcircle_glyph,
diff --git a/win32/Makefile.am b/win32/Makefile.am
index 63ba4680c..79ce999da 100644
--- a/win32/Makefile.am
+++ b/win32/Makefile.am
@@ -11,6 +11,8 @@ EXTRA_DIST = \
 	install.mak \
 	introspection-msvc.mak \
 	Makefile.vc \
-	README.txt
+	README.txt \
+	replace.py \
+	sed-enums-srcs.py
 
 -include $(top_srcdir)/git.mk
diff --git a/win32/README.txt b/win32/README.txt
index 90554c012..185a44c3e 100644
--- a/win32/README.txt
+++ b/win32/README.txt
@@ -57,8 +57,9 @@ GLIB: Enable GLib support in HarfBuzz, which also uses the GLib unicode
 
 GOBJECT: Enable building the HarfBuzz-GObject DLL, and thus implies GLib
          support.  This requires the GObject libraries and glib-mkenums script,
-         along with PERL to generate the enum sources and headers, which is
-         required for the build.
+         along with Python (when using GObject/GLib 2.53.4 or later) or PERL
+         (when using GObject/GLib 2.53.3 or earlier) to generate the enum
+         sources and headers, which is required for the build.
 
 INTROSPECTION: Enable build of introspection files, for making HarfBuzz
                bindings for other programming languages available, such as
diff --git a/win32/generate-msvc.mak b/win32/generate-msvc.mak
index b0727d507..0d5c4b062 100644
--- a/win32/generate-msvc.mak
+++ b/win32/generate-msvc.mak
@@ -12,13 +12,20 @@ config.h: config.h.win32
 # we are already using PERL, use PERL one-liners.
 !if "$(GOBJECT)" == "1"
 $(HB_GOBJECT_ENUM_GENERATED_SOURCES): ..\src\hb-gobject-enums.h.tmpl ..\src\hb-gobject-enums.cc.tmpl $(HB_ACTUAL_HEADERS)
+	-$(PYTHON) $(PREFIX)\bin\glib-mkenums \
+		--identifier-prefix hb_ --symbol-prefix hb_gobject \
+		--template ..\src\$(@F).tmpl  $(HB_ACTUAL_HEADERS) > $@.tmp
+	for %%f in ($@.tmp) do if %%~zf gtr 0 $(PYTHON) sed-enums-srcs.py --input=$@.tmp --output=$@
+	@-del $@.tmp
+	if not exist $@ \
 	$(PERL) $(PREFIX)\bin\glib-mkenums \
 		--identifier-prefix hb_ --symbol-prefix hb_gobject \
-		--template ..\src\$(@F).tmpl  $(HB_ACTUAL_HEADERS) > $@
-	$(PERL) -p -i.tmp1 -e "s/_t_get_type/_get_type/g" $@
-	$(PERL) -p -i.tmp2 -e "s/_T \(/ (/g" $@
-	@-del $@.tmp1
-	@-del $@.tmp2
+		--template ..\src\$(@F).tmpl  $(HB_ACTUAL_HEADERS) > $@.tmp
+	if exist $@.tmp $(PERL) -p -i.tmp1 -e "s/_t_get_type/_get_type/g" $@.tmp
+	if exist $@.tmp $(PERL) -p -i.tmp2 -e "s/_T \(/ (/g" $@.tmp
+	@if exist $@.tmp.tmp1 del $@.tmp.tmp1
+	@if exist $@.tmp.tmp2 del $@.tmp.tmp2
+	@if exist $@.tmp move $@.tmp $@
 !endif
 
 # Create the build directories
diff --git a/win32/info-msvc.mak b/win32/info-msvc.mak
index 4586548ce..2a61b180c 100644
--- a/win32/info-msvc.mak
+++ b/win32/info-msvc.mak
@@ -107,7 +107,10 @@ help:
 	@echo GOBJECT:
 	@echo Enable the HarfBuzz-GObject library, also implies GLib2 support,
 	@echo requires the GNOME GLib2 libraries and tools, notably the glib-mkenums
-	@echo tool script, which will require a PERL interpreter (use
+	@echo tool script, which will require a Python interpretor (when using
+	@echo GObject/GLib 2.53.4 or later; use PYTHON=^$(PATH_TO_PYTHON_INTERPRETOR)
+	@echo if the Python interpretor is not already in your PATH) or PERL
+	@echo interpreter (when using GObject/GLib 2.53.3 or earlier; use
 	@echo PERL=^$(PATH_TO_PERL_INTERPRETOR)) if it is not already in your PATH).
 	@echo.
 	@echo GRAPHITE2:
diff --git a/win32/replace.py b/win32/replace.py
index 3aeceb1f7..e3ef16351 100644
--- a/win32/replace.py
+++ b/win32/replace.py
@@ -25,7 +25,7 @@ def open_file(filename, mode):
     if sys.version_info[0] < 3:
         return open(filename, mode=mode)
     else:
-        return open(filename, mode=mode, encoding='utf-8')
+        return open(filename, mode=mode, encoding='latin-1')
 
 def replace_multi(src, dest, replace_items):
     with open_file(src, 'r') as s:
diff --git a/win32/sed-enums-srcs.py b/win32/sed-enums-srcs.py
new file mode 100644
index 000000000..ee7614895
--- /dev/null
+++ b/win32/sed-enums-srcs.py
@@ -0,0 +1,36 @@
+#!/usr/bin/python
+#
+# Utility script to replace strings in the
+# generated enum sources, as needed by the build
+
+# Author: Fan, Chun-wei
+# Date: Oct. 5, 2017
+
+import os
+import sys
+import argparse
+
+from replace import replace_multi
+
+def main(argv):
+    parser = argparse.ArgumentParser(description='Replace strings in generated enum sources')
+    parser.add_argument('--input', help='input generated temporary enum source',
+                        required=True)
+    parser.add_argument('--output',
+                        help='output generated final enum source', required=True)
+    args = parser.parse_args()
+
+    # check whether the generated temporary enum source exists
+    if not os.path.exists(args.input):
+        raise SystemExit('Specified generated temporary enum source \'%s\' is invalid' % args.input)
+
+    replace_items = {'_t_get_type': '_get_type',
+                     '_T (': ' ('}
+
+    # Generate the final enum source
+    replace_multi(args.input,
+                  args.output,
+                  replace_items)
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
\ No newline at end of file

From c2545b921523538e8237ff6a2591f6cb75ee79f1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 7 Oct 2017 12:56:53 +0200
Subject: [PATCH 0432/1326] Add check for HB_EXTERNs

https://github.com/behdad/harfbuzz/pull/555
---
 src/Makefile.am      |  1 +
 src/check-externs.sh | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100755 src/check-externs.sh

diff --git a/src/Makefile.am b/src/Makefile.am
index 0c077d990..ea550d266 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -300,6 +300,7 @@ check: harfbuzz.def # For check-defs.sh
 dist_check_SCRIPTS = \
 	check-c-linkage-decls.sh \
 	check-defs.sh \
+	check-externs.sh \
 	check-header-guards.sh \
 	check-includes.sh \
 	check-libstdc++.sh \
diff --git a/src/check-externs.sh b/src/check-externs.sh
new file mode 100755
index 000000000..63cc7d5bb
--- /dev/null
+++ b/src/check-externs.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+LC_ALL=C
+export LC_ALL
+
+test -z "$srcdir" && srcdir=.
+stat=0
+
+test "x$HBHEADERS" = x && HBHEADERS=`cd "$srcdir"; find . -maxdepth 1 -name 'hb*.h'`
+test "x$EGREP" = x && EGREP='grep -E'
+
+
+echo 'Checking that all public symbols are exported with HB_EXTERN'
+
+for x in $HBHEADERS; do
+	test -f "$srcdir/$x" && x="$srcdir/$x"
+	$EGREP -B1 '^hb_' "$x" | $EGREP -E -v '^(--|hb_|HB_EXTERN )' -A1
+done |
+grep . >&2 && stat=1
+
+exit $stat

From 5f50f8837f918ca1d176355d1538e0e6c9703f41 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 7 Oct 2017 13:17:33 +0200
Subject: [PATCH 0433/1326] [arabic] Fix cluster merging

---
 src/hb-ot-shape-complex-arabic.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 28dd4e1fe..f74196112 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -676,7 +676,7 @@ reorder_marks_arabic (const hb_ot_shape_plan_t *plan,
     DEBUG_MSG (ARABIC, buffer, "Shifting %d's: %d %d\n", cc, i, j);
     hb_glyph_info_t temp[HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS];
     assert (j - i <= ARRAY_LENGTH (temp));
-    buffer->merge_out_clusters (start, j);
+    buffer->merge_clusters (start, j);
     memmove (temp, &info[i], (j - i) * sizeof (hb_glyph_info_t));
     memmove (&info[start + j - i], &info[start], (i - start) * sizeof (hb_glyph_info_t));
     memmove (&info[start], temp, (j - i) * sizeof (hb_glyph_info_t));

From 3f9370d9e5051b1abf2fc94be2e10a39c8069f75 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 11:34:53 +0200
Subject: [PATCH 0434/1326] Fix TODO item

---
 src/hb-font.cc | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index a684c234d..50da49e74 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1158,7 +1158,18 @@ hb_font_create_sub_font (hb_font_t *parent)
   font->x_ppem = parent->x_ppem;
   font->y_ppem = parent->y_ppem;
 
-  /* TODO: copy variation coordinates. */
+  font->num_coords = parent->num_coords;
+  if (!font->num_coords)
+    font->coords = NULL;
+  else
+  {
+    unsigned int size = parent->num_coords * sizeof (parent->coords[0]);
+    font->coords = (int *) malloc (size);
+    if (unlikely (!font->coords))
+      font->num_coords = 0;
+    else
+      memcpy (font->coords, parent->coords, size);
+  }
 
   return font;
 }

From b57f18da700837a57df9606290160ea6e96accc8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 11:47:47 +0200
Subject: [PATCH 0435/1326] Add hb_font_[sg]et_ptem() to set/get point size on
 font

New API:
hb_font_set_ptem()
hb_font_get_ptem()

Needed for hb-coretext optical sizing:
https://github.com/behdad/harfbuzz/issues/360
---
 docs/harfbuzz-sections.txt |  2 ++
 src/hb-font-private.hh     |  5 ++++-
 src/hb-font.cc             | 41 ++++++++++++++++++++++++++++++++++++++
 src/hb-font.h              | 10 ++++++++++
 4 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 6ceefd250..6d86d9418 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -246,6 +246,7 @@ hb_font_get_nominal_glyph
 hb_font_get_nominal_glyph_func_t
 hb_font_get_parent
 hb_font_get_ppem
+hb_font_get_ptem
 hb_font_get_scale
 hb_font_get_user_data
 hb_font_get_variation_glyph
@@ -261,6 +262,7 @@ hb_font_set_funcs
 hb_font_set_funcs_data
 hb_font_set_parent
 hb_font_set_ppem
+hb_font_set_ptem
 hb_font_set_scale
 hb_font_set_user_data
 hb_variation_t
diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index ed9f2c54a..30661c322 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -108,6 +108,8 @@ struct hb_font_t {
   unsigned int x_ppem;
   unsigned int y_ppem;
 
+  float ptem;
+
   /* Font variation coordinates. */
   unsigned int num_coords;
   int *coords;
@@ -123,7 +125,8 @@ struct hb_font_t {
     DIRTY_FUNCS		= 0x0004,
     DIRTY_SCALE		= 0x0008,
     DIRTY_PPEM		= 0x0010,
-    DIRTY_VARIATIONS	= 0x0020,
+    DIRTY_PTEM		= 0x0020,
+    DIRTY_VARIATIONS	= 0x0040,
   } dirty;
 
   struct hb_shaper_data_t shaper_data;
diff --git a/src/hb-font.cc b/src/hb-font.cc
index 50da49e74..c47e2c14a 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1157,6 +1157,7 @@ hb_font_create_sub_font (hb_font_t *parent)
   font->y_scale = parent->y_scale;
   font->x_ppem = parent->x_ppem;
   font->y_ppem = parent->y_ppem;
+  font->ptem = parent->ptem;
 
   font->num_coords = parent->num_coords;
   if (!font->num_coords)
@@ -1199,6 +1200,7 @@ hb_font_get_empty (void)
 
     0, /* x_ppem */
     0, /* y_ppem */
+    -1, /* ptem */
 
     0, /* num_coords */
     NULL, /* coords */
@@ -1597,6 +1599,45 @@ hb_font_get_ppem (hb_font_t *font,
   if (y_ppem) *y_ppem = font->y_ppem;
 }
 
+/**
+ * hb_font_set_ptem:
+ * @font: a font.
+ * @ptem: 
+ *
+ * Sets "point size" of the font.
+ *
+ * Since: 1.6.0
+ **/
+void
+hb_font_set_ptem (hb_font_t *font, float ptem)
+{
+  if (font->immutable)
+    return;
+
+  if (font->ptem == ptem)
+    return;
+
+  font->dirty |= font->DIRTY_PTEM;
+
+  font->ptem = ptem;
+}
+
+/**
+ * hb_font_get_ptem:
+ * @font: a font.
+ *
+ * Gets the "point size" of the font.  A value of -1 means unset.
+ *
+ * Return value: Point size.
+ *
+ * Since: 0.9.2
+ **/
+float
+hb_font_get_ptem (hb_font_t *font)
+{
+  return font->ptem;
+}
+
 /*
  * Variations
  */
diff --git a/src/hb-font.h b/src/hb-font.h
index 85fb56d5b..8fb1849de 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -607,6 +607,16 @@ hb_font_get_ppem (hb_font_t *font,
 		  unsigned int *x_ppem,
 		  unsigned int *y_ppem);
 
+/*
+ * Point size per EM.  Used for optical-sizing in CoreText.
+ * A -1 means "not set".
+ */
+HB_EXTERN void
+hb_font_set_ptem (hb_font_t *font, float ptem);
+
+HB_EXTERN float
+hb_font_get_ptem (hb_font_t *font);
+
 HB_EXTERN void
 hb_font_set_variations (hb_font_t *font,
 			const hb_variation_t *variations,

From c0c2dbc871667c32ac8eedb11de64078ef24a429 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 12:23:35 +0200
Subject: [PATCH 0436/1326] Remove dirty tracking

Turns out I don't need this to resolve CoreText optical sizing
issue after all.

https://github.com/behdad/harfbuzz/issues/360
---
 src/hb-face-private.hh |  9 ---------
 src/hb-face.cc         | 17 -----------------
 src/hb-font-private.hh | 13 -------------
 src/hb-font.cc         | 39 ---------------------------------------
 4 files changed, 78 deletions(-)

diff --git a/src/hb-face-private.hh b/src/hb-face-private.hh
index 72f08a599..43e7b1cb3 100644
--- a/src/hb-face-private.hh
+++ b/src/hb-face-private.hh
@@ -54,13 +54,6 @@ struct hb_face_t {
   mutable unsigned int upem;		/* Units-per-EM. */
   mutable unsigned int num_glyphs;	/* Number of glyphs. */
 
-  enum dirty_t {
-    DIRTY_NOTHING	= 0x0000,
-    DIRTY_INDEX		= 0x0001,
-    DIRTY_UPEM		= 0x0002,
-    DIRTY_NUM_GLYPHS	= 0x0004,
-  } dirty;
-
   struct hb_shaper_data_t shaper_data;	/* Various shaper data. */
 
   /* Various non-shaping data. */
@@ -106,8 +99,6 @@ struct hb_face_t {
   HB_INTERNAL void load_num_glyphs (void) const;
 };
 
-HB_MARK_AS_FLAG_T (hb_face_t::dirty_t);
-
 extern HB_INTERNAL const hb_face_t _hb_face_nil;
 
 #define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
diff --git a/src/hb-face.cc b/src/hb-face.cc
index 22998f005..d7d736d7b 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -51,8 +51,6 @@ const hb_face_t _hb_face_nil = {
   1000, /* upem */
   0,    /* num_glyphs */
 
-  hb_face_t::DIRTY_NOTHING, /* dirty */
-
   {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
 #include "hb-shaper-list.hh"
@@ -367,11 +365,6 @@ hb_face_set_index (hb_face_t    *face,
   if (face->immutable)
     return;
 
-  if (face->index == index)
-    return;
-
-  face->dirty |= face->DIRTY_INDEX;
-
   face->index = index;
 }
 
@@ -407,11 +400,6 @@ hb_face_set_upem (hb_face_t    *face,
   if (face->immutable)
     return;
 
-  if (face->upem == upem)
-    return;
-
-  face->dirty |= face->DIRTY_UPEM;
-
   face->upem = upem;
 }
 
@@ -456,11 +444,6 @@ hb_face_set_glyph_count (hb_face_t    *face,
   if (face->immutable)
     return;
 
-  if (face->num_glyphs == glyph_count)
-    return;
-
-  face->dirty |= face->DIRTY_NUM_GLYPHS;
-
   face->num_glyphs = glyph_count;
 }
 
diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index 30661c322..d2801fb86 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -118,17 +118,6 @@ struct hb_font_t {
   void              *user_data;
   hb_destroy_func_t  destroy;
 
-  enum dirty_t {
-    DIRTY_NOTHING	= 0x0000,
-    DIRTY_FACE		= 0x0001,
-    DIRTY_PARENT	= 0x0002,
-    DIRTY_FUNCS		= 0x0004,
-    DIRTY_SCALE		= 0x0008,
-    DIRTY_PPEM		= 0x0010,
-    DIRTY_PTEM		= 0x0020,
-    DIRTY_VARIATIONS	= 0x0040,
-  } dirty;
-
   struct hb_shaper_data_t shaper_data;
 
 
@@ -556,8 +545,6 @@ struct hb_font_t {
   }
 };
 
-HB_MARK_AS_FLAG_T (hb_font_t::dirty_t);
-
 #define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, font);
 #include "hb-shaper-list.hh"
diff --git a/src/hb-font.cc b/src/hb-font.cc
index c47e2c14a..888420792 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1209,8 +1209,6 @@ hb_font_get_empty (void)
     NULL, /* user_data */
     NULL, /* destroy */
 
-    hb_font_t::DIRTY_NOTHING, /* dirty */
-
     {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
 #include "hb-shaper-list.hh"
@@ -1363,11 +1361,6 @@ hb_font_set_parent (hb_font_t *font,
   if (!parent)
     parent = hb_font_get_empty ();
 
-  if (parent == font->parent)
-    return;
-
-  font->dirty |= font->DIRTY_PARENT;
-
   hb_font_t *old = font->parent;
 
   font->parent = hb_font_reference (parent);
@@ -1410,11 +1403,6 @@ hb_font_set_face (hb_font_t *font,
   if (unlikely (!face))
     face = hb_face_get_empty ();
 
-  if (font->face == face)
-    return;
-
-  font->dirty |= font->DIRTY_FACE;
-
   hb_face_t *old = font->face;
 
   font->face = hb_face_reference (face);
@@ -1468,8 +1456,6 @@ hb_font_set_funcs (hb_font_t         *font,
   if (!klass)
     klass = hb_font_funcs_get_empty ();
 
-  font->dirty |= font->DIRTY_FUNCS;
-
   hb_font_funcs_reference (klass);
   hb_font_funcs_destroy (font->klass);
   font->klass = klass;
@@ -1525,11 +1511,6 @@ hb_font_set_scale (hb_font_t *font,
   if (font->immutable)
     return;
 
-  if (font->x_scale == x_scale && font->y_scale == y_scale)
-    return;
-
-  font->dirty |= font->DIRTY_SCALE;
-
   font->x_scale = x_scale;
   font->y_scale = y_scale;
 }
@@ -1571,11 +1552,6 @@ hb_font_set_ppem (hb_font_t *font,
   if (font->immutable)
     return;
 
-  if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
-    return;
-
-  font->dirty |= font->DIRTY_PPEM;
-
   font->x_ppem = x_ppem;
   font->y_ppem = y_ppem;
 }
@@ -1614,11 +1590,6 @@ hb_font_set_ptem (hb_font_t *font, float ptem)
   if (font->immutable)
     return;
 
-  if (font->ptem == ptem)
-    return;
-
-  font->dirty |= font->DIRTY_PTEM;
-
   font->ptem = ptem;
 }
 
@@ -1647,16 +1618,6 @@ _hb_font_adopt_var_coords_normalized (hb_font_t *font,
 				      int *coords, /* 2.14 normalized */
 				      unsigned int coords_length)
 {
-  if (font->num_coords == coords_length &&
-      (coords_length == 0 ||
-       0 == memcmp (font->coords, coords, coords_length * sizeof (coords[0]))))
-  {
-    free (coords);
-    return;
-  }
-
-  font->dirty |= font->DIRTY_VARIATIONS;
-
   free (font->coords);
 
   font->coords = coords;

From 16d02a58cf187dbcecc1c796acdc5d3a70ca288e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 12:28:06 +0200
Subject: [PATCH 0437/1326] [coretext] Change default font size from 36 to 18

---
 src/hb-coretext.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index ba96d3994..5c0b65af0 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -229,7 +229,7 @@ _hb_coretext_shaper_face_data_create (hb_face_t *face)
    * Since we always create CTFont at a fixed size, our CTFont lives in face_data
    * instead of font_data.  Which is good, because when people change scale on
    * hb_font_t, we won't need to update our CTFont. */
-  data->ct_font = create_ct_font (data->cg_font, 36.);
+  data->ct_font = create_ct_font (data->cg_font, 18.);
   if (unlikely (!data->ct_font))
   {
     DEBUG_MSG (CORETEXT, face, "CTFont creation failed.");

From 8d450dd188dea2d63a03f74d903a76741de8a217 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 12:43:46 +0200
Subject: [PATCH 0438/1326] Infrastructure for creating CTFont with correct
 font size

https://github.com/behdad/harfbuzz/issues/360
---
 src/hb-shaper-private.hh | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/hb-shaper-private.hh b/src/hb-shaper-private.hh
index 381398a61..2481ef8ac 100644
--- a/src/hb-shaper-private.hh
+++ b/src/hb-shaper-private.hh
@@ -88,11 +88,23 @@ struct hb_shaper_data_t {
         HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (data);
 
 #define HB_SHAPER_DATA_ENSURE_DEFINE(shaper, object) \
+	HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(shaper, object, true)
+
+#define HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(shaper, object, condition) \
 bool \
 HB_SHAPER_DATA_ENSURE_FUNC(shaper, object) (hb_##object##_t *object) \
 {\
   retry: \
   HB_SHAPER_DATA_TYPE (shaper, object) *data = (HB_SHAPER_DATA_TYPE (shaper, object) *) hb_atomic_ptr_get (&HB_SHAPER_DATA (shaper, object)); \
+  if (likely (data) && !(condition)) { \
+    /* Drop and recreate. */ \
+    /* If someone dropped it in the mean time, throw it away and don't touch it. \
+     * Otherwise, destruct it. */ \
+    if (hb_atomic_ptr_cmpexch (&HB_SHAPER_DATA (shaper, object), data, NULL)) { \
+      HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (data); \
+    } \
+    goto retry; \
+  } \
   if (unlikely (!data)) { \
     data = HB_SHAPER_DATA_CREATE_FUNC (shaper, object) (object); \
     if (unlikely (!data)) \

From f9b4c6570a4725eec5393f86e6468a189ac8c6be Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 12:51:25 +0200
Subject: [PATCH 0439/1326] [coretext] Move font size to a macro

---
 src/hb-coretext.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 5c0b65af0..10859e161 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -36,6 +36,7 @@
 #define HB_DEBUG_CORETEXT (HB_DEBUG+0)
 #endif
 
+#define HB_CORETEXT_FONT_SIZE 18.0
 
 static void
 release_table_data (void *user_data)
@@ -229,7 +230,7 @@ _hb_coretext_shaper_face_data_create (hb_face_t *face)
    * Since we always create CTFont at a fixed size, our CTFont lives in face_data
    * instead of font_data.  Which is good, because when people change scale on
    * hb_font_t, we won't need to update our CTFont. */
-  data->ct_font = create_ct_font (data->cg_font, 18.);
+  data->ct_font = create_ct_font (data->cg_font, HB_CORETEXT_FONT_SIZE);
   if (unlikely (!data->ct_font))
   {
     DEBUG_MSG (CORETEXT, face, "CTFont creation failed.");

From a8e466c3c12a3499028cb576721e5f85ff4cbf2d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 13:05:59 +0200
Subject: [PATCH 0440/1326] [coretext] Move CT_Font to font data

Towards implementing optical sizing.  Untested; won't compile.

https://github.com/behdad/harfbuzz/issues/360
---
 src/hb-coretext.cc | 85 ++++++++++++++++++++--------------------------
 1 file changed, 37 insertions(+), 48 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 10859e161..3f1c67113 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -203,51 +203,26 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
   return ct_font;
 }
 
-struct hb_coretext_shaper_face_data_t {
-  CGFontRef cg_font;
-  CTFontRef ct_font;
-};
+typedef CGFontRef hb_coretext_shaper_face_data_t;
 
 hb_coretext_shaper_face_data_t *
 _hb_coretext_shaper_face_data_create (hb_face_t *face)
 {
-  hb_coretext_shaper_face_data_t *data = (hb_coretext_shaper_face_data_t *) calloc (1, sizeof (hb_coretext_shaper_face_data_t));
-  if (unlikely (!data))
-    return NULL;
+  hb_coretext_shaper_face_data_t *cg_font = create_cg_font (face);
 
-  data->cg_font = create_cg_font (face);
-  if (unlikely (!data->cg_font))
+  if (unlikely (!cg_font))
   {
     DEBUG_MSG (CORETEXT, face, "CGFont creation failed..");
-    free (data);
     return NULL;
   }
 
-  /* We use 36pt size instead of UPEM, because CoreText implements the 'trak' table,
-   * which can make the font too tight at large sizes.  36pt should be a good semi-neutral
-   * size.
-   *
-   * Since we always create CTFont at a fixed size, our CTFont lives in face_data
-   * instead of font_data.  Which is good, because when people change scale on
-   * hb_font_t, we won't need to update our CTFont. */
-  data->ct_font = create_ct_font (data->cg_font, HB_CORETEXT_FONT_SIZE);
-  if (unlikely (!data->ct_font))
-  {
-    DEBUG_MSG (CORETEXT, face, "CTFont creation failed.");
-    CFRelease (data->cg_font);
-    free (data);
-    return NULL;
-  }
-
-  return data;
+  return cg_font;
 }
 
 void
-_hb_coretext_shaper_face_data_destroy (hb_coretext_shaper_face_data_t *data)
+_hb_coretext_shaper_face_data_destroy (hb_coretext_shaper_face_data_t *cg_font)
 {
-  CFRelease (data->ct_font);
-  CFRelease (data->cg_font);
-  free (data);
+  CFRelease (cg_font);
 }
 
 /*
@@ -257,8 +232,8 @@ CGFontRef
 hb_coretext_face_get_cg_font (hb_face_t *face)
 {
   if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
-  hb_coretext_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
-  return face_data->cg_font;
+  hb_coretext_shaper_face_data_t *cg_font = HB_SHAPER_DATA_GET (face);
+  return cg_font;
 }
 
 
@@ -266,17 +241,31 @@ hb_coretext_face_get_cg_font (hb_face_t *face)
  * shaper font data
  */
 
-struct hb_coretext_shaper_font_data_t {};
+typedef CTFontRef hb_coretext_shaper_font_data_t;
 
 hb_coretext_shaper_font_data_t *
-_hb_coretext_shaper_font_data_create (hb_font_t *font HB_UNUSED)
+_hb_coretext_shaper_font_data_create (hb_font_t *font)
 {
-  return (hb_coretext_shaper_font_data_t *) HB_SHAPER_DATA_SUCCEEDED;
+  if (unlikely (!hb_coretext_shaper_face_data_ensure (font->face))) return NULL;
+  hb_coretext_shaper_face_data_t *cg_font = HB_SHAPER_DATA_GET (face);
+
+  float ptem = font->ptem < 0 ? HB_CORETEXT_FONT_SIZE : font->ptem;
+
+  hb_coretext_shaper_font_data_t *ct_font = create_ct_font (cg_font, ptem);
+
+  if (unlikely (!ct_font))
+  {
+    DEBUG_MSG (CORETEXT, font, "CGFont creation failed..");
+    return NULL;
+  }
+
+  return ct_font;
 }
 
 void
-_hb_coretext_shaper_font_data_destroy (hb_coretext_shaper_font_data_t *data)
+_hb_coretext_shaper_font_data_destroy (hb_coretext_shaper_font_data_t *ct_font)
 {
+  CFRelease (ct_font);
 }
 
 
@@ -304,10 +293,9 @@ _hb_coretext_shaper_shape_plan_data_destroy (hb_coretext_shaper_shape_plan_data_
 CTFontRef
 hb_coretext_font_get_ct_font (hb_font_t *font)
 {
-  hb_face_t *face = font->face;
-  if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
-  hb_coretext_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
-  return face_data->ct_font;
+  if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return NULL;
+  hb_coretext_shaper_font_data_t *ct_font = HB_SHAPER_DATA_GET (font);
+  return ct_font;
 }
 
 
@@ -539,9 +527,10 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
                     unsigned int        num_features)
 {
   hb_face_t *face = font->face;
-  hb_coretext_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
+  hb_coretext_shaper_face_data_t *cg_font = HB_SHAPER_DATA_GET (face);
+  hb_coretext_shaper_font_data_t *ct_font = HB_SHAPER_DATA_GET (font);
 
-  CGFloat ct_font_size = CTFontGetSize (face_data->ct_font);
+  CGFloat ct_font_size = CTFontGetSize (ct_font);
   CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
   CGFloat y_mult = (CGFloat) font->y_scale / ct_font_size;
 
@@ -676,7 +665,7 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
 	  CTFontDescriptorRef font_desc = CTFontDescriptorCreateWithAttributes (attributes);
 	  CFRelease (attributes);
 
-	  range->font = CTFontCreateCopyWithAttributes (face_data->ct_font, 0.0, NULL, font_desc);
+	  range->font = CTFontCreateCopyWithAttributes (ct_font, 0.0, NULL, font_desc);
 	  CFRelease (font_desc);
 	}
 	else
@@ -830,7 +819,7 @@ resize_and_retry:
 	CFRelease (lang);
       }
       CFAttributedStringSetAttribute (attr_string, CFRangeMake (0, chars_len),
-				      kCTFontAttributeName, face_data->ct_font);
+				      kCTFontAttributeName, ct_font);
 
       if (num_features && range_records.len)
       {
@@ -948,7 +937,7 @@ resize_and_retry:
        */
       CFDictionaryRef attributes = CTRunGetAttributes (run);
       CTFontRef run_ct_font = static_cast<CTFontRef>(CFDictionaryGetValue (attributes, kCTFontAttributeName));
-      if (!CFEqual (run_ct_font, face_data->ct_font))
+      if (!CFEqual (run_ct_font, ct_font))
       {
 	/* The run doesn't use our main font instance.  We have to figure out
 	 * whether font fallback happened, or this is just CoreText giving us
@@ -986,13 +975,13 @@ resize_and_retry:
 	  CGFontRef run_cg_font = CTFontCopyGraphicsFont (run_ct_font, 0);
 	  if (run_cg_font)
 	  {
-	    matched = CFEqual (run_cg_font, face_data->cg_font);
+	    matched = CFEqual (run_cg_font, cg_font);
 	    CFRelease (run_cg_font);
 	  }
 	}
 	if (!matched)
 	{
-	  CFStringRef font_ps_name = CTFontCopyName (face_data->ct_font, kCTFontPostScriptNameKey);
+	  CFStringRef font_ps_name = CTFontCopyName (ct_font, kCTFontPostScriptNameKey);
 	  CFStringRef run_ps_name = CTFontCopyName (run_ct_font, kCTFontPostScriptNameKey);
 	  CFComparisonResult result = CFStringCompare (run_ps_name, font_ps_name, 0);
 	  CFRelease (run_ps_name);

From f33413075655e6383cd16bc31f0bf804dcec1c64 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 13:17:46 +0200
Subject: [PATCH 0441/1326] [coretext] Another try

---
 src/hb-coretext.cc | 32 +++++++++++++-------------------
 1 file changed, 13 insertions(+), 19 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 3f1c67113..26cc07c9e 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -203,12 +203,10 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
   return ct_font;
 }
 
-typedef CGFontRef hb_coretext_shaper_face_data_t;
-
 hb_coretext_shaper_face_data_t *
 _hb_coretext_shaper_face_data_create (hb_face_t *face)
 {
-  hb_coretext_shaper_face_data_t *cg_font = create_cg_font (face);
+  CGFontRef cg_font = create_cg_font (face);
 
   if (unlikely (!cg_font))
   {
@@ -216,13 +214,13 @@ _hb_coretext_shaper_face_data_create (hb_face_t *face)
     return NULL;
   }
 
-  return cg_font;
+  return (hb_coretext_shaper_face_data_t *) cg_font;
 }
 
 void
-_hb_coretext_shaper_face_data_destroy (hb_coretext_shaper_face_data_t *cg_font)
+_hb_coretext_shaper_face_data_destroy (hb_coretext_shaper_face_data_t *data)
 {
-  CFRelease (cg_font);
+  CFRelease ((CGFontRef) data);
 }
 
 /*
@@ -232,8 +230,7 @@ CGFontRef
 hb_coretext_face_get_cg_font (hb_face_t *face)
 {
   if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
-  hb_coretext_shaper_face_data_t *cg_font = HB_SHAPER_DATA_GET (face);
-  return cg_font;
+  return (CGFontRef) HB_SHAPER_DATA_GET (face);
 }
 
 
@@ -241,17 +238,15 @@ hb_coretext_face_get_cg_font (hb_face_t *face)
  * shaper font data
  */
 
-typedef CTFontRef hb_coretext_shaper_font_data_t;
-
 hb_coretext_shaper_font_data_t *
 _hb_coretext_shaper_font_data_create (hb_font_t *font)
 {
   if (unlikely (!hb_coretext_shaper_face_data_ensure (font->face))) return NULL;
-  hb_coretext_shaper_face_data_t *cg_font = HB_SHAPER_DATA_GET (face);
+  CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face);
 
   float ptem = font->ptem < 0 ? HB_CORETEXT_FONT_SIZE : font->ptem;
 
-  hb_coretext_shaper_font_data_t *ct_font = create_ct_font (cg_font, ptem);
+  CTFontRef ct_font = create_ct_font (cg_font, ptem);
 
   if (unlikely (!ct_font))
   {
@@ -259,13 +254,13 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
     return NULL;
   }
 
-  return ct_font;
+  return (hb_coretext_shaper_font_data_t *) ct_font;
 }
 
 void
-_hb_coretext_shaper_font_data_destroy (hb_coretext_shaper_font_data_t *ct_font)
+_hb_coretext_shaper_font_data_destroy (hb_coretext_shaper_font_data_t *data)
 {
-  CFRelease (ct_font);
+  CFRelease ((CTFontRef) data);
 }
 
 
@@ -294,8 +289,7 @@ CTFontRef
 hb_coretext_font_get_ct_font (hb_font_t *font)
 {
   if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return NULL;
-  hb_coretext_shaper_font_data_t *ct_font = HB_SHAPER_DATA_GET (font);
-  return ct_font;
+  return (CTFontRef)_SHAPER_DATA_GET (font);
 }
 
 
@@ -527,8 +521,8 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
                     unsigned int        num_features)
 {
   hb_face_t *face = font->face;
-  hb_coretext_shaper_face_data_t *cg_font = HB_SHAPER_DATA_GET (face);
-  hb_coretext_shaper_font_data_t *ct_font = HB_SHAPER_DATA_GET (font);
+  CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face);
+  CTFontRef ct_font = (CTFontRef) HB_SHAPER_DATA_GET (font);
 
   CGFloat ct_font_size = CTFontGetSize (ct_font);
   CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;

From db7a73ce0781d1fec0235e419ac448565dcfc8ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20R=C3=B6ttsches?= <drott@chromium.org>
Date: Wed, 11 Oct 2017 13:24:39 +0200
Subject: [PATCH 0442/1326] [coretext] Fix build

---
 src/hb-coretext.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 26cc07c9e..9b680abf6 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -241,7 +241,8 @@ hb_coretext_face_get_cg_font (hb_face_t *face)
 hb_coretext_shaper_font_data_t *
 _hb_coretext_shaper_font_data_create (hb_font_t *font)
 {
-  if (unlikely (!hb_coretext_shaper_face_data_ensure (font->face))) return NULL;
+  hb_face_t *face = font->face;
+  if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
   CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face);
 
   float ptem = font->ptem < 0 ? HB_CORETEXT_FONT_SIZE : font->ptem;
@@ -289,7 +290,7 @@ CTFontRef
 hb_coretext_font_get_ct_font (hb_font_t *font)
 {
   if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return NULL;
-  return (CTFontRef)_SHAPER_DATA_GET (font);
+  return (CTFontRef)HB_SHAPER_DATA_GET (font);
 }
 
 

From a5ebe1d4aec41bc5e289a7969e5e5f7bb57733b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20R=C3=B6ttsches?= <drott@chromium.org>
Date: Wed, 11 Oct 2017 13:32:38 +0200
Subject: [PATCH 0443/1326] [coretext] Recreate CTFont if pt size changed

Attempt at fixing #360
---
 src/hb-coretext.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 9b680abf6..8219284dc 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -71,8 +71,9 @@ hb_coretext_face_create (CGFontRef cg_font)
 
 
 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
-HB_SHAPER_DATA_ENSURE_DEFINE(coretext, font)
-
+HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
+                                            abs (CTFontGetSize((CTFontRef) data) -
+                                                 (font->ptem < 0 ? HB_CORETEXT_FONT_SIZE : font->ptem)) < 1)
 
 /*
  * shaper face data

From 296d0134c9d04c82cc0bffd545b0fd9a308a2530 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 14:09:30 +0200
Subject: [PATCH 0444/1326] [coretext] Change default point size to 12

---
 src/hb-coretext.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 8219284dc..432e0cc12 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -36,7 +36,7 @@
 #define HB_DEBUG_CORETEXT (HB_DEBUG+0)
 #endif
 
-#define HB_CORETEXT_FONT_SIZE 18.0
+#define HB_CORETEXT_FONT_SIZE 12.0
 
 static void
 release_table_data (void *user_data)

From 84686bf4c75c001e7cfb2eabdf391b2e76cae335 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 15:02:48 +0200
Subject: [PATCH 0445/1326] [coretext-aat] Also pass through CoreText if font
 has kerx table

SFNSText has kerx table which apparently is applied.
---
 src/hb-coretext.cc | 28 +++++++++++++---------------
 src/hb-coretext.h  |  1 +
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 432e0cc12..f43abb9f5 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -1249,22 +1249,20 @@ struct hb_coretext_aat_shaper_face_data_t {};
 hb_coretext_aat_shaper_face_data_t *
 _hb_coretext_aat_shaper_face_data_create (hb_face_t *face)
 {
-  hb_blob_t *mort_blob = face->reference_table (HB_CORETEXT_TAG_MORT);
-  /* Umm, we just reference the table to check whether it exists.
-   * Maybe add better API for this? */
-  if (!hb_blob_get_length (mort_blob))
-  {
-    hb_blob_destroy (mort_blob);
-    mort_blob = face->reference_table (HB_CORETEXT_TAG_MORX);
-    if (!hb_blob_get_length (mort_blob))
-    {
-      hb_blob_destroy (mort_blob);
-      return NULL;
-    }
-  }
-  hb_blob_destroy (mort_blob);
+  static const hb_tag_t tags[] = {HB_CORETEXT_TAG_MORX, HB_CORETEXT_TAG_MORT, HB_CORETEXT_TAG_KERX};
 
-  return hb_coretext_shaper_face_data_ensure (face) ? (hb_coretext_aat_shaper_face_data_t *) HB_SHAPER_DATA_SUCCEEDED : NULL;
+  for (unsigned int i = 0; i < ARRAY_LENGTH (tags); i++)
+  {
+    hb_blob_t *blob = face->reference_table (tags[i]);
+    if (hb_blob_get_length (blob))
+    {
+      hb_blob_destroy (blob);
+      return hb_coretext_shaper_face_data_ensure (face) ? (hb_coretext_aat_shaper_face_data_t *) HB_SHAPER_DATA_SUCCEEDED : NULL;
+    }
+    hb_blob_destroy (blob);
+  }
+
+  return NULL;
 }
 
 void
diff --git a/src/hb-coretext.h b/src/hb-coretext.h
index 82066e4e0..c9136ff4c 100644
--- a/src/hb-coretext.h
+++ b/src/hb-coretext.h
@@ -42,6 +42,7 @@ HB_BEGIN_DECLS
 
 #define HB_CORETEXT_TAG_MORT HB_TAG('m','o','r','t')
 #define HB_CORETEXT_TAG_MORX HB_TAG('m','o','r','x')
+#define HB_CORETEXT_TAG_KERX HB_TAG('k','e','r','x')
 
 
 HB_EXTERN hb_face_t *

From 269cf1ca82c34c6f6ea126e7333743e5c381453b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 15:24:22 +0200
Subject: [PATCH 0446/1326] Correctly initialize ptem

---
 src/hb-font.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 888420792..a43656d9d 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1124,6 +1124,7 @@ hb_font_create (hb_face_t *face)
   font->parent = hb_font_get_empty ();
   font->face = hb_face_reference (face);
   font->klass = hb_font_funcs_get_empty ();
+  font->ptem = -1;
 
   font->x_scale = font->y_scale = hb_face_get_upem (face);
 

From a4b46212c5e76494cfde5af6f299e08902aff0d5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 15:29:22 +0200
Subject: [PATCH 0447/1326] [coretext] Adjust font size check for 0

---
 src/hb-coretext.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index f43abb9f5..8cfec1e32 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -73,7 +73,7 @@ hb_coretext_face_create (CGFontRef cg_font)
 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
 HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
                                             abs (CTFontGetSize((CTFontRef) data) -
-                                                 (font->ptem < 0 ? HB_CORETEXT_FONT_SIZE : font->ptem)) < 1)
+                                                 (font->ptem <= 0 ? HB_CORETEXT_FONT_SIZE : font->ptem)) < 1)
 
 /*
  * shaper face data
@@ -246,7 +246,7 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
   if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
   CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face);
 
-  float ptem = font->ptem < 0 ? HB_CORETEXT_FONT_SIZE : font->ptem;
+  float ptem = font->ptem <= 0 ? HB_CORETEXT_FONT_SIZE : font->ptem;
 
   CTFontRef ct_font = create_ct_font (cg_font, ptem);
 

From 06c14225b20aa43ae88d362be2de577f6cf3f7b9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 15:29:53 +0200
Subject: [PATCH 0448/1326] [coretext] Minor

---
 src/hb-coretext.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 8cfec1e32..a2bbfbd1f 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -36,6 +36,7 @@
 #define HB_DEBUG_CORETEXT (HB_DEBUG+0)
 #endif
 
+/* https://developer.apple.com/documentation/coretext/1508745-ctfontcreatewithgraphicsfont */
 #define HB_CORETEXT_FONT_SIZE 12.0
 
 static void

From 374bb48d902025e8b8d8acbe525ff43540daee36 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 15:37:50 +0200
Subject: [PATCH 0449/1326] Change ptem API to make 0 mean unset

---
 src/hb-font.cc | 5 ++---
 src/hb-font.h  | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index a43656d9d..5673e66e3 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1124,7 +1124,6 @@ hb_font_create (hb_face_t *face)
   font->parent = hb_font_get_empty ();
   font->face = hb_face_reference (face);
   font->klass = hb_font_funcs_get_empty ();
-  font->ptem = -1;
 
   font->x_scale = font->y_scale = hb_face_get_upem (face);
 
@@ -1201,7 +1200,7 @@ hb_font_get_empty (void)
 
     0, /* x_ppem */
     0, /* y_ppem */
-    -1, /* ptem */
+    0, /* ptem */
 
     0, /* num_coords */
     NULL, /* coords */
@@ -1598,7 +1597,7 @@ hb_font_set_ptem (hb_font_t *font, float ptem)
  * hb_font_get_ptem:
  * @font: a font.
  *
- * Gets the "point size" of the font.  A value of -1 means unset.
+ * Gets the "point size" of the font.  A value of 0 means unset.
  *
  * Return value: Point size.
  *
diff --git a/src/hb-font.h b/src/hb-font.h
index 8fb1849de..540cdcab9 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -609,7 +609,7 @@ hb_font_get_ppem (hb_font_t *font,
 
 /*
  * Point size per EM.  Used for optical-sizing in CoreText.
- * A -1 means "not set".
+ * A value of zero means "not set".
  */
 HB_EXTERN void
 hb_font_set_ptem (hb_font_t *font, float ptem);

From 717fcb51dd051ca27d8537e5cf3a32d0447f78b5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 15:38:21 +0200
Subject: [PATCH 0450/1326] [coretext] Minor

---
 src/hb-coretext.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index a2bbfbd1f..c24ce70ce 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -37,7 +37,7 @@
 #endif
 
 /* https://developer.apple.com/documentation/coretext/1508745-ctfontcreatewithgraphicsfont */
-#define HB_CORETEXT_FONT_SIZE 12.0
+#define HB_CORETEXT_DEFAULT_FONT_SIZE 12.0
 
 static void
 release_table_data (void *user_data)
@@ -74,7 +74,7 @@ hb_coretext_face_create (CGFontRef cg_font)
 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
 HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
                                             abs (CTFontGetSize((CTFontRef) data) -
-                                                 (font->ptem <= 0 ? HB_CORETEXT_FONT_SIZE : font->ptem)) < 1)
+                                                 (font->ptem <= 0 ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem)) < 1)
 
 /*
  * shaper face data
@@ -247,7 +247,7 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
   if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
   CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face);
 
-  float ptem = font->ptem <= 0 ? HB_CORETEXT_FONT_SIZE : font->ptem;
+  float ptem = font->ptem <= 0 ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem;
 
   CTFontRef ct_font = create_ct_font (cg_font, ptem);
 

From e1b6d923021f68713784e2fd68f631c053ef3497 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 15:51:31 +0200
Subject: [PATCH 0451/1326] Remove cast of functions to (hb_destroy_func_t)

Fixes https://github.com/behdad/harfbuzz/issues/474
---
 src/hb-blob.cc     |  8 +++++++-
 src/hb-coretext.cc | 10 ++++++++--
 src/hb-face.cc     |  6 ++++--
 src/hb-ft.cc       | 20 +++++++++++---------
 src/hb-glib.cc     |  9 ++++++++-
 src/hb-ot-font.cc  |  6 ++++--
 6 files changed, 42 insertions(+), 17 deletions(-)

diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index fb48f03ca..41e99da0d 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -128,6 +128,12 @@ hb_blob_create (const char        *data,
   return blob;
 }
 
+static void
+_hb_blob_destroy (void *data)
+{
+  hb_blob_destroy ((hb_blob_t *) data);
+}
+
 /**
  * hb_blob_create_sub_blob:
  * @parent: Parent blob.
@@ -164,7 +170,7 @@ hb_blob_create_sub_blob (hb_blob_t    *parent,
 			 MIN (length, parent->length - offset),
 			 HB_MEMORY_MODE_READONLY,
 			 hb_blob_reference (parent),
-			 (hb_destroy_func_t) hb_blob_destroy);
+			 _hb_blob_destroy);
 
   return blob;
 }
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index c24ce70ce..d899737d7 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -64,10 +64,16 @@ reference_table  (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
 			 release_table_data);
 }
 
+static void
+_hb_cg_font_release (void *data)
+{
+  CGFontRelease ((CGFontRef) data);
+}
+
 hb_face_t *
 hb_coretext_face_create (CGFontRef cg_font)
 {
-  return hb_face_create_for_tables (reference_table, CGFontRetain (cg_font), (hb_destroy_func_t) CGFontRelease);
+  return hb_face_create_for_tables (reference_table, CGFontRetain (cg_font), _hb_cg_font_release);
 }
 
 
@@ -116,7 +122,7 @@ static CGFontRef
 create_cg_font (hb_face_t *face)
 {
   CGFontRef cg_font = NULL;
-  if (face->destroy == (hb_destroy_func_t) CGFontRelease)
+  if (face->destroy == _hb_cg_font_release)
   {
     cg_font = CGFontRetain ((CGFontRef) face->user_data);
   }
diff --git a/src/hb-face.cc b/src/hb-face.cc
index d7d736d7b..0f90b59f3 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -118,8 +118,10 @@ _hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index)
 }
 
 static void
-_hb_face_for_data_closure_destroy (hb_face_for_data_closure_t *closure)
+_hb_face_for_data_closure_destroy (void *data)
 {
+  hb_face_for_data_closure_t *closure = (hb_face_for_data_closure_t *) data;
+
   hb_blob_destroy (closure->blob);
   free (closure);
 }
@@ -169,7 +171,7 @@ hb_face_create (hb_blob_t    *blob,
 
   face = hb_face_create_for_tables (_hb_face_for_data_reference_table,
 				    closure,
-				    (hb_destroy_func_t) _hb_face_for_data_closure_destroy);
+				    _hb_face_for_data_closure_destroy);
 
   face->index = index;
 
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 492992ee4..c560b2196 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -95,14 +95,16 @@ _hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref)
 }
 
 static void
-_hb_ft_face_destroy (FT_Face ft_face)
+_hb_ft_face_destroy (void *data)
 {
-  FT_Done_Face (ft_face);
+  FT_Done_Face ((FT_Face) data);
 }
 
 static void
-_hb_ft_font_destroy (hb_ft_font_t *ft_font)
+_hb_ft_font_destroy (void *data)
 {
+  hb_ft_font_t *ft_font = (hb_ft_font_t *) data;
+
   if (ft_font->unref)
     _hb_ft_face_destroy (ft_font->ft_face);
 
@@ -124,7 +126,7 @@ hb_ft_font_set_load_flags (hb_font_t *font, int load_flags)
   if (font->immutable)
     return;
 
-  if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy)
+  if (font->destroy != _hb_ft_font_destroy)
     return;
 
   hb_ft_font_t *ft_font = (hb_ft_font_t *) font->user_data;
@@ -144,7 +146,7 @@ hb_ft_font_set_load_flags (hb_font_t *font, int load_flags)
 int
 hb_ft_font_get_load_flags (hb_font_t *font)
 {
-  if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy)
+  if (font->destroy != _hb_ft_font_destroy)
     return 0;
 
   const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font->user_data;
@@ -155,7 +157,7 @@ hb_ft_font_get_load_flags (hb_font_t *font)
 FT_Face
 hb_ft_font_get_face (hb_font_t *font)
 {
-  if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy)
+  if (font->destroy != _hb_ft_font_destroy)
     return NULL;
 
   const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font->user_data;
@@ -474,7 +476,7 @@ retry:
   hb_font_set_funcs (font,
 		     funcs,
 		     _hb_ft_font_create (ft_face, symbol, unref),
-		     (hb_destroy_func_t) _hb_ft_font_destroy);
+		     _hb_ft_font_destroy);
 }
 
 
@@ -553,7 +555,7 @@ hb_face_t *
 hb_ft_face_create_referenced (FT_Face ft_face)
 {
   FT_Reference_Face (ft_face);
-  return hb_ft_face_create (ft_face, (hb_destroy_func_t) _hb_ft_face_destroy);
+  return hb_ft_face_create (ft_face, _hb_ft_face_destroy);
 }
 
 static void
@@ -655,7 +657,7 @@ hb_font_t *
 hb_ft_font_create_referenced (FT_Face ft_face)
 {
   FT_Reference_Face (ft_face);
-  return hb_ft_font_create (ft_face, (hb_destroy_func_t) _hb_ft_face_destroy);
+  return hb_ft_font_create (ft_face, _hb_ft_face_destroy);
 }
 
 
diff --git a/src/hb-glib.cc b/src/hb-glib.cc
index 2b91b5b65..8b499558b 100644
--- a/src/hb-glib.cc
+++ b/src/hb-glib.cc
@@ -383,6 +383,13 @@ hb_glib_get_unicode_funcs (void)
 }
 
 #if GLIB_CHECK_VERSION(2,31,10)
+
+static void
+_hb_g_bytes_unref (void *data)
+{
+  g_bytes_unref ((GBytes *) data);
+}
+
 /**
  * hb_glib_blob_create:
  *
@@ -397,6 +404,6 @@ hb_glib_blob_create (GBytes *gbytes)
 			 size,
 			 HB_MEMORY_MODE_READONLY,
 			 g_bytes_ref (gbytes),
-			 (hb_destroy_func_t) g_bytes_unref);
+			 _hb_g_bytes_unref);
 }
 #endif
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index d3251caf7..a56f4c07f 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -458,8 +458,10 @@ _hb_ot_font_create (hb_face_t *face)
 }
 
 static void
-_hb_ot_font_destroy (hb_ot_font_t *ot_font)
+_hb_ot_font_destroy (void *data)
 {
+  hb_ot_font_t *ot_font = (hb_ot_font_t *) data;
+
   ot_font->cmap.fini ();
   ot_font->h_metrics.fini ();
   ot_font->v_metrics.fini ();
@@ -627,5 +629,5 @@ hb_ot_font_set_funcs (hb_font_t *font)
   hb_font_set_funcs (font,
 		     _hb_ot_get_font_funcs (),
 		     ot_font,
-		     (hb_destroy_func_t) _hb_ot_font_destroy);
+		     _hb_ot_font_destroy);
 }

From 94b3cafc3a042aea69ee7040227557fe98a21d87 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 11 Oct 2017 17:22:44 +0200
Subject: [PATCH 0452/1326] Add hb_face_get_table_tags()

New API:
hb_face_get_table_tags()

Fixes https://github.com/behdad/harfbuzz/issues/560
---
 src/hb-face.cc              | 29 +++++++++++++++++++++++++++++
 src/hb-face.h               |  5 +++++
 src/hb-open-file-private.hh | 18 ++++++++++++++++++
 3 files changed, 52 insertions(+)

diff --git a/src/hb-face.cc b/src/hb-face.cc
index 0f90b59f3..e96c8acd3 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -474,4 +474,33 @@ hb_face_t::load_num_glyphs (void) const
   hb_blob_destroy (maxp_blob);
 }
 
+/**
+ * hb_face_get_table_tags:
+ * @face: a face.
+ *
+ * Retrieves table tags for a face, if possible.
+ *
+ * Return value: total number of tables, or 0 if not possible to list.
+ *
+ * Since: 1.6.0
+ **/
+unsigned int
+hb_face_get_table_tags (hb_face_t    *face,
+			unsigned int  start_offset,
+			unsigned int *table_count, /* IN/OUT */
+			hb_tag_t     *table_tags /* OUT */)
+{
+  if (face->destroy != _hb_face_for_data_closure_destroy)
+  {
+    if (table_count)
+      *table_count = 0;
+    return 0;
+  }
 
+  hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) face->user_data;
+
+  const OT::OpenTypeFontFile &ot_file = *OT::Sanitizer<OT::OpenTypeFontFile>::lock_instance (data->blob);
+  const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index);
+
+  return ot_face.get_table_tags (start_offset, table_count, table_tags);
+}
diff --git a/src/hb-face.h b/src/hb-face.h
index 91237b708..9842d52b6 100644
--- a/src/hb-face.h
+++ b/src/hb-face.h
@@ -111,6 +111,11 @@ hb_face_set_glyph_count (hb_face_t    *face,
 HB_EXTERN unsigned int
 hb_face_get_glyph_count (hb_face_t *face);
 
+HB_EXTERN unsigned int
+hb_face_get_table_tags (hb_face_t    *face,
+			unsigned int  start_offset,
+			unsigned int *table_count, /* IN/OUT */
+			hb_tag_t     *table_tags /* OUT */);
 
 HB_END_DECLS
 
diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index f208419aa..dcfdfd6ca 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -79,6 +79,24 @@ typedef struct OffsetTable
     if (unlikely (i >= numTables)) return Null(TableRecord);
     return tables[i];
   }
+  inline unsigned int get_table_tags (unsigned int start_offset,
+				      unsigned int *table_count, /* IN/OUT */
+				      hb_tag_t     *table_tags /* OUT */) const
+  {
+    if (table_count)
+    {
+      if (start_offset >= numTables)
+        *table_count = 0;
+      else
+        *table_count = MIN (*table_count, numTables - start_offset);
+
+      const TableRecord *sub_tables = tables + start_offset;
+      unsigned int count = *table_count;
+      for (unsigned int i = 0; i < count; i++)
+	table_tags[i] = sub_tables[i].tag;
+    }
+    return numTables;
+  }
   inline bool find_table_index (hb_tag_t tag, unsigned int *table_index) const
   {
     Tag t;

From 4e4781319b36bba154f3e5d4eb678945d8f6b4fc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 12 Oct 2017 10:33:16 +0200
Subject: [PATCH 0453/1326] [ft] Add hb_ft_font_changed()

When the font size or variations settings on underlying FT_Face change,
one can call hb_ft_font_changed() and continue using hb_font created using
hb_ft_font_create().

Fixes https://github.com/behdad/harfbuzz/issues/559

New API:
hb_ft_font_changed()
---
 docs/harfbuzz-sections.txt |  1 +
 src/hb-ft.cc               | 15 +++++++++++++--
 src/hb-ft.h                |  8 +++++++-
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 6d86d9418..06a78f5fa 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -291,6 +291,7 @@ hb_ft_face_create_cached
 hb_ft_face_create_referenced
 hb_ft_font_create
 hb_ft_font_create_referenced
+hb_ft_font_changed
 hb_ft_font_get_face
 hb_ft_font_set_load_flags
 hb_ft_font_get_load_flags
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index c560b2196..83af9942e 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -610,6 +610,19 @@ hb_ft_font_create (FT_Face           ft_face,
   font = hb_font_create (face);
   hb_face_destroy (face);
   _hb_ft_font_set_funcs (font, ft_face, false);
+  hb_ft_font_changed (font);
+  return font;
+}
+
+void
+hb_ft_font_changed (hb_font_t *font)
+{
+  if (font->destroy != _hb_ft_font_destroy)
+    return;
+
+  hb_ft_font_t *ft_font = (hb_ft_font_t *) font->user_data;
+  FT_Face ft_face = ft_font->ft_face;
+
   hb_font_set_scale (font,
 		     (int) (((uint64_t) ft_face->size->metrics.x_scale * (uint64_t) ft_face->units_per_EM + (1u<<15)) >> 16),
 		     (int) (((uint64_t) ft_face->size->metrics.y_scale * (uint64_t) ft_face->units_per_EM + (1u<<15)) >> 16));
@@ -640,8 +653,6 @@ hb_ft_font_create (FT_Face           ft_face,
     free (mm_var);
   }
 #endif
-
-  return font;
 }
 
 /**
diff --git a/src/hb-ft.h b/src/hb-ft.h
index dc8ef8558..94013eeb9 100644
--- a/src/hb-ft.h
+++ b/src/hb-ft.h
@@ -116,7 +116,13 @@ hb_ft_font_set_load_flags (hb_font_t *font, int load_flags);
 HB_EXTERN int
 hb_ft_font_get_load_flags (hb_font_t *font);
 
-/* Makes an hb_font_t use FreeType internally to implement font functions. */
+/* Call when size or variations settings on underlying FT_Face change. */
+HB_EXTERN void
+hb_ft_font_changed (hb_font_t *font);
+
+/* Makes an hb_font_t use FreeType internally to implement font functions.
+ * Note: this internally creates an FT_Face.  Use it when you create your
+ * hb_face_t using hb_face_create(). */
 HB_EXTERN void
 hb_ft_font_set_funcs (hb_font_t *font);
 

From dfeccd073a5e78f6a2c630355c04121b70d2b4aa Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 12 Oct 2017 12:11:47 +0330
Subject: [PATCH 0454/1326] Remove nmake port of harfbuzz (#562)

---
 BUILD.md                        |  12 +-
 Makefile.am                     |   2 +-
 appveyor.yml                    |  30 -----
 configure.ac                    |   2 -
 win32/Makefile.am               |  18 ---
 win32/Makefile.vc               |  67 ----------
 win32/README.txt                |  97 --------------
 win32/build-rules-msvc.mak      | 130 ------------------
 win32/config-msvc.mak           | 230 --------------------------------
 win32/config.h.win32.in         | 158 ----------------------
 win32/create-lists-msvc.mak     | 147 --------------------
 win32/create-lists.bat          |  42 ------
 win32/detectenv-msvc.mak        | 146 --------------------
 win32/generate-msvc.mak         |  39 ------
 win32/hb-introspection-msvc.mak |  42 ------
 win32/info-msvc.mak             | 162 ----------------------
 win32/install.mak               |  25 ----
 win32/introspection-msvc.mak    |  73 ----------
 win32/pc_base.py                | 124 -----------------
 win32/replace.py                | 115 ----------------
 win32/sed-enums-srcs.py         |  36 -----
 win32/setup.py                  |  62 ---------
 22 files changed, 9 insertions(+), 1750 deletions(-)
 delete mode 100644 win32/Makefile.am
 delete mode 100644 win32/Makefile.vc
 delete mode 100644 win32/README.txt
 delete mode 100644 win32/build-rules-msvc.mak
 delete mode 100644 win32/config-msvc.mak
 delete mode 100644 win32/config.h.win32.in
 delete mode 100644 win32/create-lists-msvc.mak
 delete mode 100644 win32/create-lists.bat
 delete mode 100644 win32/detectenv-msvc.mak
 delete mode 100644 win32/generate-msvc.mak
 delete mode 100644 win32/hb-introspection-msvc.mak
 delete mode 100644 win32/info-msvc.mak
 delete mode 100644 win32/install.mak
 delete mode 100644 win32/introspection-msvc.mak
 delete mode 100644 win32/pc_base.py
 delete mode 100644 win32/replace.py
 delete mode 100644 win32/sed-enums-srcs.py
 delete mode 100644 win32/setup.py

diff --git a/BUILD.md b/BUILD.md
index 7518c2e42..370c997ac 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -5,7 +5,13 @@ Cairo, and GLib. For example, on Ubuntu / Debian, you would do:
 whereas on Fedora, RHEL, CentOS, and other Red Hat based systems you would do:
 * sudo yum install gcc gcc-c++ freetype-devel glib2-devel cairo-devel
 
-on the Mac, using MacPorts:
+on Windows, consider using [vcpkg](https://github.com/Microsoft/vcpkg),
+provided by Microsoft, for building HarfBuzz and other open-source libraries
+but if you need to build harfbuzz from source, put ragel binary on your
+PATH and follow appveyor CI's cmake
+[https://github.com/behdad/harfbuzz/blob/master/appveyor.yml](build steps).
+
+on macOS, using MacPorts:
 * sudo port install freetype glib2 cairo
 
 or using Homebrew:
@@ -14,9 +20,7 @@ or using Homebrew:
 If you are using a tarball, you can now proceed to running configure and make
 as with any other standard package. That should leave you with a shared
 library in src/, and a few utility programs including hb-view and hb-shape
-under util/.  From the tarball, NMake Makefiles are also provided in win32/,
-which supports building HarfBuzz using Visual Studio, with a README.txt that
-gives instructions on building using NMake.
+under util/.
 If you are bootstraping from git, you need a few more tools before you can
 run autogen.sh for the first time. Namely, pkg-config and ragel. Again,
 on Ubuntu / Debian:
diff --git a/Makefile.am b/Makefile.am
index 1755b73b6..07b38c287 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,7 +4,7 @@ NULL =
 
 ACLOCAL_AMFLAGS = -I m4
 
-SUBDIRS = src util test docs win32
+SUBDIRS = src util test docs
 
 EXTRA_DIST = \
 	autogen.sh \
diff --git a/appveyor.yml b/appveyor.yml
index 3d3f77742..c27a899f9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,23 +15,6 @@ environment:
       platform: ARM
       configuration: Debug
 
-    - compiler: nmake
-      ARCH: amd64
-      VCPKG_ARCH: x64-windows
-      CFG: debug
-    - compiler: nmake
-      ARCH: x86
-      VCPKG_ARCH: x86-windows
-      CFG: debug
-#    - compiler: nmake
-#      ARCH: amd64
-#      VCPKG_ARCH: x64-windows
-#      CFG: release
-#    - compiler: nmake
-#      ARCH: x86
-#      VCPKG_ARCH: x86-windows
-#      CFG: release
-
     - compiler: msys2
       MINGW_PREFIX: /c/msys2/mingw64/
       MINGW_CHOST: x86_64-w64-mingw32
@@ -44,14 +27,6 @@ environment:
 install:
   - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-ragel"
 
-  - 'if "%compiler%"=="nmake" call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%'
-#  - 'if "%compiler%"=="nmake" git clone https://github.com/Microsoft/vcpkg'
-#  - 'if "%compiler%"=="nmake" cd vcpkg'
-#  - 'if "%compiler%"=="nmake" powershell -exec bypass scripts\bootstrap.ps1'
-#  - 'if "%compiler%"=="nmake" vcpkg install freetype:%VCPKG_ARCH%'
-#  - 'if "%compiler%"=="nmake" copy installed\%VCPKG_ARCH%\debug\lib\freetyped.lib installed\%VCPKG_ARCH%\lib'
-#  - 'if "%compiler%"=="nmake" cd ..'
-
 build_script:
   - 'if "%compiler%"=="cmake" md build'
   - 'if "%compiler%"=="cmake" cd build'
@@ -59,11 +34,6 @@ build_script:
   - 'if "%compiler%"=="cmake" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -G "%generator%" ../'
   - 'if "%compiler%"=="cmake" msbuild harfbuzz.sln /p:Configuration=%configuration% /p:Platform=%platform%'
 
-  - 'if "%compiler%"=="nmake" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
-  - 'if "%compiler%"=="nmake" cd harfbuzz-*\win32'
-  - 'if "%compiler%"=="nmake" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1' # FREETYPE=1 FREETYPE_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\include ADDITIONAL_LIB_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\lib'
-  - 'if "%compiler%"=="nmake" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 install' # FREETYPE=1 install'
-
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat */test-suite.log test/*/test-suite.log && false)"'
 
diff --git a/configure.ac b/configure.ac
index d65cae8cd..7b947f276 100644
--- a/configure.ac
+++ b/configure.ac
@@ -494,8 +494,6 @@ test/fuzzing/Makefile
 test/shaping/Makefile
 docs/Makefile
 docs/version.xml
-win32/Makefile
-win32/config.h.win32
 ])
 
 AC_OUTPUT
diff --git a/win32/Makefile.am b/win32/Makefile.am
deleted file mode 100644
index 79ce999da..000000000
--- a/win32/Makefile.am
+++ /dev/null
@@ -1,18 +0,0 @@
-EXTRA_DIST = \
-	build-rules-msvc.mak \
-	config-msvc.mak \
-	config.h.win32 \
-	create-lists.bat \
-	create-lists-msvc.mak \
-	detectenv-msvc.mak \
-	generate-msvc.mak \
-	hb-introspection-msvc.mak \
-	info-msvc.mak \
-	install.mak \
-	introspection-msvc.mak \
-	Makefile.vc \
-	README.txt \
-	replace.py \
-	sed-enums-srcs.py
-
--include $(top_srcdir)/git.mk
diff --git a/win32/Makefile.vc b/win32/Makefile.vc
deleted file mode 100644
index 05778ae54..000000000
--- a/win32/Makefile.vc
+++ /dev/null
@@ -1,67 +0,0 @@
-# NMake Makefile for building HarfBuzz as a DLL on Windows
-
-# The items below this line should not be changed, unless one is maintaining
-# the NMake Makefiles.  Customizations can be done in the following NMake Makefile
-# portions (please see comments in the these files to see what can be customized):
-#
-# detectenv-msvc.mak
-# config-msvc.mak
-
-!include detectenv-msvc.mak
-
-# Include the Makefile portions with the source listings
-!include ..\src\Makefile.sources
-!include ..\src\hb-ucdn\Makefile.sources
-!include ..\util\Makefile.sources
-
-# We need to include the sources in ..\src\hb-ucdn indirectly
-!if [call create-lists.bat header hb_ucdn_srcs.mak hb_ucdn_SRCS]
-!endif
-
-!if [for %c in ($(LIBHB_UCDN_sources)) do @call create-lists.bat file hb_ucdn_srcs.mak hb-ucdn\%c]
-!endif
-
-!if [call create-lists.bat footer hb_ucdn_srcs.mak]
-!endif
-
-!include hb_ucdn_srcs.mak
-
-!if [del /f /q hb_ucdn_srcs.mak]
-!endif
-
-# Include the Makefile portion that enables features based on user input
-!include config-msvc.mak
-
-!if "$(VALID_CFGSET)" == "TRUE"
-
-# Include the Makefile portion to convert the source and header lists
-# into the lists we need for compilation and introspection
-!include create-lists-msvc.mak
-
-all: $(HB_LIBS) $(HB_UTILS) $(EXTRA_TARGETS) all-build-info
-
-tests: all $(HB_TESTS)
-
-# Include the build rules for sources, DLLs and executables
-!include build-rules-msvc.mak
-
-# Include the rules for build directory creation and code generation
-!include generate-msvc.mak
-
-# Generate the introspection files
-
-!if "$(INTROSPECTION)" == "1"
-# Include the rules for building the introspection files
-!include introspection-msvc.mak
-!include hb-introspection-msvc.mak
-!endif
-
-!include install.mak
-
-!else
-all: help
-	@echo You need to specify a valid configuration, via
-	@echo CFG=release or CFG=debug
-!endif
-
-!include info-msvc.mak
diff --git a/win32/README.txt b/win32/README.txt
deleted file mode 100644
index 185a44c3e..000000000
--- a/win32/README.txt
+++ /dev/null
@@ -1,97 +0,0 @@
-Instructions for building HarfBuzz on Visual Studio
-===================================================
-Building the HarfBuzz DLL on Windows is now also supported using Visual Studio
-versions 2008 through 2015, in both 32-bit and 64-bit (x64) flavors, via NMake
-Makefiles.
-
-The following are instructions for performing such a build, as there is a
-number of build configurations supported for the build.  Note that for all
-build configurations, the OpenType and Simple TrueType layout (fallback)
-backends are enabled, and this is the base configuration that is built if no
-options (see below) are specified.  A 'clean' target is provided-it is recommended
-that one cleans the build and redo the build if any configuration option changed.
-An 'install' target is also provided to copy the built items in their appropriate
-locations under $(PREFIX), which is described below.  A 'reallyclean' target is
-provided that not only does what is done for the 'clean' target, but also removes
-the sources/headers that are generated from the Ragel sources.  Therefore, if one
-is not building from a release tarball, or is rebuilding after using the 'reallyclean'
-target or when the Ragel (*.rl) sources are updated, the Ragel state machine
-compiler (ragel.exe) is needed, and needs to be passed in via RAGEL=<path_to_ragel_exe>
-if ragel.exe is not already in the PATH.
-
-We now support building from a GIT checkout via NMake for convenience.  In addition to
-the requirements as outlined in the later part of this file, you will need to run the
-setup.py (Python 2.7.x or later) script to generate the headers (src\hb-version.h and
-win32\config.h.win32) that are normally shipped in a release tarball before running
-NMake, and you will need to pass RAGEL=<path_to_ragel_exe> if the Ragel state machine
-compiler (ragel.exe) is not in your PATH when invoking NMake.  Note that the
-'reallyclean' target does not remove these 2 generated headers, so re-run the setup.py
-script if necessary.
-
-Invoke the build by issuing the command:
-nmake /f Makefile.vc CFG=[release|debug] [PREFIX=...] <option1=1 option2=1 ...>
-where:
-
-CFG: Required.  Choose from a release or debug build.  Note that 
-     all builds generate a .pdb file for each .dll and .exe built--this refers
-     to the C/C++ runtime that the build uses.
-
-PREFIX: Optional.  Base directory of where the third-party headers, libraries
-        and needed tools can be found, i.e. headers in $(PREFIX)\include,
-        libraries in $(PREFIX)\lib and tools in $(PREFIX)\bin.  If not
-        specified, $(PREFIX) is set as $(srcroot)\..\vs$(X)\$(platform), where
-        $(platform) is win32 for 32-bit builds or x64 for 64-bit builds, and
-        $(X) is the short version of the Visual Studio used, as follows:
-        2008: 9
-        2010: 10
-        2012: 11
-        2013: 12
-        2015: 14
-        2017: 15
-
-Explanation of options, set by <option>=1:
-------------------------------------------
-GLIB: Enable GLib support in HarfBuzz, which also uses the GLib unicode
-      callback if the bundled UCDN unicode callback is disabled.  This requires the
-      GLib libraries, and is required for building all tool and test programs.
-
-GOBJECT: Enable building the HarfBuzz-GObject DLL, and thus implies GLib
-         support.  This requires the GObject libraries and glib-mkenums script,
-         along with Python (when using GObject/GLib 2.53.4 or later) or PERL
-         (when using GObject/GLib 2.53.3 or earlier) to generate the enum
-         sources and headers, which is required for the build.
-
-INTROSPECTION: Enable build of introspection files, for making HarfBuzz
-               bindings for other programming languages available, such as
-               Python, available.  This requires the GObject-Introspection
-               libraries and tools, along with the Python interpretor that was
-               used during the build of GObject-Introspection.  Please see
-               $(srcroot)\README.python for more related details.  This implies
-               the build of the HarfBuzz-GObject DLL, along with GLib support.
-
-FREETYPE: Enable the FreeType font callbacks.  Requires the FreeType2 library.
-
-CAIRO: Enable Cairo support.  Requires the Cairo library.
-
-CAIRO_FT: Enable the build of the hb-view tool, which makes use of Cairo, and
-          thus implies FreeType font callback support and Cairo support.
-          Requires Cairo libraries built with FreeType support.  Note that the
-          hb-view tool requires GLib support as well.
-
-GRAPHITE2: Enable the Graphite2 shaper, requires the SIL Graphite2 library.
-
-ICU: Enables the build of ICU Unicode functions. Requires the ICU libraries.
-
-UNISCRIBE: Enable Uniscribe platform shaper support.
-
-DIRECTWRITE: Enable DirectWrite platform shaper support,
-             requires a rather recent Windows SDK, and at least Windows Vista/
-             Server 2008 with SP2 and platform update.
-
-PYTHON: Full path to the Python interpretor to be used, if it is not in %PATH%.
-
-PERL: Full path to the PERL interpretor to be used, if it is not in %PATH%.
-
-RAGEL: Full path to the Ragel state machine compiler executable, if not in %PATH%
-
-LIBTOOL_DLL_NAME: Enable libtool-style DLL names.
diff --git a/win32/build-rules-msvc.mak b/win32/build-rules-msvc.mak
deleted file mode 100644
index 5408ead64..000000000
--- a/win32/build-rules-msvc.mak
+++ /dev/null
@@ -1,130 +0,0 @@
-# NMake Makefile portion for compilation rules
-# Items in here should not need to be edited unless
-# one is maintaining the NMake build files.  The format
-# of NMake Makefiles here are different from the GNU
-# Makefiles.  Please see the comments about these formats.
-
-# Inference rules for compiling the .obj files.
-# Used for libs and programs with more than a single source file.
-# Format is as follows
-# (all dirs must have a trailing '\'):
-#
-# {$(srcdir)}.$(srcext){$(destdir)}.obj::
-# 	$(CC)|$(CXX) $(cflags) /Fo$(destdir) /c @<<
-# $<
-# <<
-{..\src\}.cc{$(CFG)\$(PLAT)\harfbuzz\}.obj::
-	$(CXX) $(CFLAGS) $(HB_DEFINES) $(HB_LIB_CFLAGS) /Fo$(CFG)\$(PLAT)\harfbuzz\ /c @<<
-$<
-<<
-
-{..\src\hb-ucdn\}.c{$(CFG)\$(PLAT)\harfbuzz\}.obj::
-	$(CC) $(CFLAGS) /Fo$(CFG)\$(PLAT)\harfbuzz\ /c @<<
-$<
-<<
-
-{..\util\}.cc{$(CFG)\$(PLAT)\util\}.obj::
-	$(CXX) $(CFLAGS) $(HB_DEFINES) $(HB_CFLAGS) /Fo$(CFG)\$(PLAT)\util\ /c @<<
-$<
-<<
-
-# Inference rules for building the test programs
-# Used for programs with a single source file.
-# Format is as follows
-# (all dirs must have a trailing '\'):
-#
-# {$(srcdir)}.$(srcext){$(destdir)}.exe::
-# 	$(CC)|$(CXX) $(cflags) $< /Fo$*.obj  /Fe$@ [/link $(linker_flags) $(dep_libs)]
-{..\src\}.cc{$(CFG)\$(PLAT)\}.exe:
-	$(CXX) $(CFLAGS) $(HB_DEFINES) $(HB_CFLAGS) $< /Fo$*.obj  /Fe$@ /link $(LDFLAGS) $(CFG)\$(PLAT)\harfbuzz.lib $(HB_TESTS_DEP_LIBS)
-
-{..\test\api\}.c{$(CFG)\$(PLAT)\}.exe:
-	$(CXX) $(CFLAGS) $(HB_DEFINES) $(HB_CFLAGS) /DSRCDIR="\"../../../test/api\"" $< /Fo$*.obj /Fe$@ /link $(LDFLAGS) $(CFG)\$(PLAT)\harfbuzz.lib $(HB_TESTS_DEP_LIBS)
-
-# Rules for building .lib files
-$(CFG)\$(PLAT)\harfbuzz.lib: $(HARFBUZZ_DLL_FILENAME).dll
-$(CFG)\$(PLAT)\harfbuzz-gobject.lib: $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll
-
-# Rules for linking DLLs
-# Format is as follows (the mt command is needed for MSVC 2005/2008 builds):
-# $(dll_name_with_path): $(dependent_libs_files_objects_and_items)
-#	link /DLL [$(linker_flags)] [$(dependent_libs)] [/def:$(def_file_if_used)] [/implib:$(lib_name_if_needed)] -out:$@ @<<
-# $(dependent_objects)
-# <<
-# 	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;2
-$(HARFBUZZ_DLL_FILENAME).dll: config.h $(HB_RAGEL_GENERATED_ACTUAL_SOURCES) $(harfbuzz_dll_OBJS) $(CFG)\$(PLAT)\harfbuzz
-	link /DLL $(LDFLAGS) $(HB_DEP_LIBS) /implib:$(CFG)\$(PLAT)\harfbuzz.lib -out:$@ @<<
-$(harfbuzz_dll_OBJS)
-<<
-	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;2
-
-$(HARFBUZZ_GOBJECT_DLL_FILENAME).dll: $(CFG)\$(PLAT)\harfbuzz.lib $(harfbuzz_gobject_OBJS) $(CFG)\$(PLAT)\harfbuzz-gobject
-	link /DLL $(LDFLAGS) $(CFG)\$(PLAT)\harfbuzz.lib $(HB_GOBJECT_DEP_LIBS) /implib:$(CFG)\$(PLAT)\harfbuzz-gobject.lib -out:$@ @<<
-$(harfbuzz_gobject_OBJS)
-<<
-	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;2
-
-# Rules for linking Executables
-# Format is as follows (the mt command is needed for MSVC 2005/2008 builds):
-# $(dll_name_with_path): $(dependent_libs_files_objects_and_items)
-#	link [$(linker_flags)] [$(dependent_libs)] -out:$@ @<<
-# $(dependent_objects)
-# <<
-# 	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;1
-$(CFG)\$(PLAT)\hb-view.exe: $(CFG)\$(PLAT)\harfbuzz.lib $(CFG)\$(PLAT)\util $(hb_view_OBJS)
-	link $(LDFLAGS) $(CFG)\$(PLAT)\harfbuzz.lib $(HB_UTILS_DEP_LIBS) -out:$@ @<<
-$(hb_view_OBJS)
-<<
-	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;1
-
-$(CFG)\$(PLAT)\hb-shape.exe: $(CFG)\$(PLAT)\harfbuzz.lib $(CFG)\$(PLAT)\util $(hb_shape_OBJS)
-	link $(LDFLAGS) $(CFG)\$(PLAT)\harfbuzz.lib $(HB_UTILS_DEP_LIBS) -out:$@ @<<
-$(hb_shape_OBJS)
-<<
-	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;1
-
-$(CFG)\$(PLAT)\hb-ot-shape-closure.exe: $(CFG)\$(PLAT)\harfbuzz.lib $(CFG)\$(PLAT)\util $(hb_ot_shape_closure_OBJS)
-	link $(LDFLAGS) $(CFG)\$(PLAT)\harfbuzz.lib $(HB_UTILS_DEP_LIBS) -out:$@ @<<
-$(hb_ot_shape_closure_OBJS)
-<<
-	@-if exist $@.manifest mt /manifest $@.manifest /outputresource:$@;1
-
-# Other .obj files requiring individual attention, that could not be covered by the inference rules.
-# Format is as follows (all dirs must have a trailing '\'):
-#
-# $(obj_file):
-# 	$(CC)|$(CXX) $(cflags) /Fo$(obj_destdir) /c @<<
-# $(srcfile)
-# <<
-$(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-structs.obj:	$(CFG)\$(PLAT)\harfbuzz-gobject $(HB_GOBJECT_ENUM_GENERATED_SOURCES)
-	$(CXX) $(CFLAGS) $(HB_DEFINES) $(HB_LIB_CFLAGS) /I$(CFG)\$(PLAT)\harfbuzz-gobject /Fo$(CFG)\$(PLAT)\harfbuzz-gobject\ /c @<<
-..\src\hb-gobject-structs.cc
-<<
-
-$(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.obj: $(CFG)\$(PLAT)\harfbuzz-gobject $(HB_GOBJECT_ENUM_GENERATED_SOURCES)
-	$(CXX) $(CFLAGS) $(HB_DEFINES) $(HB_LIB_CFLAGS) /I$(CFG)\$(PLAT)\harfbuzz-gobject /Fo$(CFG)\$(PLAT)\harfbuzz-gobject\ /c @<<
-$(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.cc
-<<
-
-clean:
-	@-if exist $(CFG)\$(PLAT)\HarfBuzz-0.0.typelib del /f /q $(CFG)\$(PLAT)\HarfBuzz-0.0.typelib
-	@-if exist $(CFG)\$(PLAT)\HarfBuzz-0.0.gir del /f /q $(CFG)\$(PLAT)\HarfBuzz-0.0.gir
-	@-if exist $(CFG)\$(PLAT)\hb_list del /f /q $(CFG)\$(PLAT)\hb_list
-	@-del /f /q $(CFG)\$(PLAT)\*.pdb
-	@-if exist $(CFG)\$(PLAT)\.exe.manifest del /f /q $(CFG)\$(PLAT)\*.exe.manifest
-	@-if exist $(CFG)\$(PLAT)\.exe del /f /q $(CFG)\$(PLAT)\*.exe
-	@-del /f /q $(CFG)\$(PLAT)\*.dll.manifest
-	@-del /f /q $(CFG)\$(PLAT)\*.dll
-	@-del /f /q $(CFG)\$(PLAT)\*.ilk
-	@-del /f /q $(CFG)\$(PLAT)\*.obj
-	@-if exist $(CFG)\$(PLAT)\util del /f /q $(CFG)\$(PLAT)\util\*.obj
-	@-if exist $(CFG)\$(PLAT)\harfbuzz-gobject del /f /q $(CFG)\$(PLAT)\harfbuzz-gobject\*.obj
-	@-del /f /q $(CFG)\$(PLAT)\harfbuzz\*.obj
-	@-rmdir /s /q $(CFG)\$(PLAT)
-	@-if exist $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.h del $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.h
-	@-if exist $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.cc del $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.cc
-	@-del vc$(VSVER)0.pdb
-	@-del config.h
-
-reallyclean: clean
-	@-del /f /q $(HB_RAGEL_GENERATED_ACTUAL_SOURCES)
diff --git a/win32/config-msvc.mak b/win32/config-msvc.mak
deleted file mode 100644
index dfdf3cd94..000000000
--- a/win32/config-msvc.mak
+++ /dev/null
@@ -1,230 +0,0 @@
-# NMake Makefile portion for enabling features for Windows builds
-
-# You may change these lines to customize the .lib files that will be linked to
-# Additional Libraries for building HarfBuzz-ICU
-# icudt.lib may be required for static ICU builds
-HB_ICU_DEP_LIBS = icuuc.lib
-
-# GLib is required for all utility programs and tests
-HB_GLIB_LIBS = glib-2.0.lib
-
-# Needed for building HarfBuzz-GObject
-HB_GOBJECT_DEP_LIBS = gobject-2.0.lib $(HB_GLIB_LIBS)
-
-# Freetype is needed for building FreeType support and hb-view
-!if "$(CFG)" == "debug"
-FREETYPE_LIB = freetyped.lib
-!else
-FREETYPE_LIB = freetype.lib
-!endif
-
-# Cairo is needed for building hb-view
-CAIRO_LIB = cairo.lib
-
-# Graphite2 is needed for building SIL Graphite2 support
-GRAPHITE2_LIB = graphite2.lib
-
-# Uniscribe is needed for Uniscribe shaping support
-UNISCRIBE_LIB = usp10.lib gdi32.lib rpcrt4.lib user32.lib
-
-# Directwrite is needed for DirectWrite shaping support
-DIRECTWRITE_LIB = dwrite.lib
-
-# Full path to Ragel state machine compiler if not already in PATH
-!if "$(RAGEL)" == ""
-RAGEL = ragel
-!endif
-
-# Please do not change anything beneath this line unless maintaining the NMake Makefiles
-# Bare minimum features and sources built into HarfBuzz on Windows
-HB_DEFINES =
-HB_CFLAGS = /DHAVE_CONFIG_H
-HB_UCDN_CFLAGS = /I..\src\hb-ucdn
-HB_SOURCES =	\
-	$(HB_BASE_sources)			\
-	$(HB_BASE_RAGEL_GENERATED_sources)	\
-	$(HB_FALLBACK_sources)			\
-	$(HB_OT_sources)			\
-	$(HB_OT_RAGEL_GENERATED_sources)
-
-
-HB_HEADERS =	\
-	$(HB_BASE_headers)		\
-	$(HB_NODIST_headers)	\
-	$(HB_OT_headers)
-
-RAGEL_RAW_GEN_SRCS = $(HB_OT_RAGEL_GENERATED_sources) $(HB_BASE_RAGEL_GENERATED_sources)
-
-# Minimal set of (system) libraries needed for the HarfBuzz DLL
-HB_DEP_LIBS =
-
-# We build the HarfBuzz DLL/LIB at least
-HB_LIBS = $(CFG)\$(PLAT)\harfbuzz.lib
-
-# Note: All the utility and test programs require GLib support to be present!
-HB_UTILS =
-HB_UTILS_DEP_LIBS = $(HB_GLIB_LIBS)
-HB_TESTS =
-HB_TESTS_DEP_LIBS = $(HB_GLIB_LIBS)
-
-# Use libtool-style DLL names, if desired
-!if "$(LIBTOOL_DLL_NAME)" == "1"
-HARFBUZZ_DLL_FILENAME = $(CFG)\$(PLAT)\libharfbuzz-0
-HARFBUZZ_GOBJECT_DLL_FILENAME = $(CFG)\$(PLAT)\libharfbuzz-gobject-0
-!else
-HARFBUZZ_DLL_FILENAME = $(CFG)\$(PLAT)\harfbuzz-vs$(VSVER)
-HARFBUZZ_GOBJECT_DLL_FILENAME = $(CFG)\$(PLAT)\harfbuzz-gobject-vs$(VSVER)
-!endif
-
-# Enable Introspection (enables HarfBuzz-Gobject as well)
-!if "$(INTROSPECTION)" == "1"
-GOBJECT = 1
-CHECK_PACKAGE = gobject-2.0
-EXTRA_TARGETS = $(CFG)\$(PLAT)\HarfBuzz-0.0.gir $(CFG)\$(PLAT)\HarfBuzz-0.0.typelib
-!else
-EXTRA_TARGETS =
-!endif
-
-# Enable HarfBuzz-GObject (enables GLib support as well)
-!if "$(GOBJECT)" == "1"
-GLIB = 1
-HB_LIBS =	\
-	$(HB_LIBS)	\
-	$(CFG)\$(PLAT)\harfbuzz-gobject.lib
-
-HB_GOBJECT_ENUM_GENERATED_SOURCES = \
-	$(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.cc	\
-	$(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.h
-
-!endif
-
-# Enable cairo-ft (enables cairo and freetype as well)
-!if "$(CAIRO_FT)" == "1"
-HB_DEFINES = $(HB_DEFINES) /DHAVE_CAIRO_FT=1
-CAIRO = 1
-FREETYPE = 1
-!if "$(GLIB)" == "1"
-HB_UTILS = \
-	$(HB_UTILS)	\
-	$(CFG)\$(PLAT)\hb-view.exe
-
-HB_UTILS_DEP_LIBS = $(HB_UTILS_DEP_LIBS) $(CAIRO_LIB) $(FREETYPE_LIB)
-!else
-!if [echo Warning: GLib support not enabled, hb-view not built]
-!endif
-!endif
-!endif
-
-# Enable cairo
-!if "$(CAIRO)" == "1"
-HB_DEFINES = $(HB_DEFINES) /DHAVE_CAIRO=1
-!endif
-
-# Enable freetype if desired
-!if "$(FREETYPE)" == "1"
-!if "$(FREETYPE_DIR)" != ""
-HB_CFLAGS = $(HB_CFLAGS) /I$(FREETYPE_DIR)
-!endif
-HB_DEFINES = $(HB_DEFINES) /DHAVE_FREETYPE=1
-HB_SOURCES = $(HB_SOURCES) $(HB_FT_sources)
-HB_HEADERS = $(HB_HEADERS) $(HB_FT_headers)
-HB_DEP_LIBS = $(HB_DEP_LIBS) $(FREETYPE_LIB)
-!endif
-
-# Enable graphite2 if desired
-!if "$(GRAPHITE2)" == "1"
-HB_DEFINES = $(HB_DEFINES) /DHAVE_GRAPHITE2=1
-HB_SOURCES = $(HB_SOURCES) $(HB_GRAPHITE2_sources)
-HB_HEADERS = $(HB_HEADERS) $(HB_GRAPHITE2_headers)
-HB_DEP_LIBS = $(HB_DEP_LIBS) $(GRAPHITE2_LIB)
-!endif
-
-# Always enable UCDN unless explicitly disabled
-!if "$(NO_UCDN)" != "1"
-HB_DEFINES = $(HB_DEFINES) /DHAVE_UCDN=1
-HB_CFLAGS =		\
-	$(HB_CFLAGS)		\
-	$(HB_UCDN_CFLAGS)
-
-HB_SOURCES = $(HB_SOURCES) $(hb_ucdn_SRCS) $(HB_UCDN_sources)
-!endif
-
-# Enable GLib if desired
-!if "$(GLIB)" == "1"
-HB_DEFINES = $(HB_DEFINES) /DHAVE_GLIB=1
-HB_CFLAGS =	\
-	$(HB_CFLAGS)					\
-	/FImsvc_recommended_pragmas.h	\
-	/I$(PREFIX)\include\glib-2.0	\
-	/I$(PREFIX)\lib\glib-2.0\include
-
-HB_SOURCES = $(HB_SOURCES) $(HB_GLIB_sources)
-HB_HEADERS = $(HB_HEADERS) $(HB_GLIB_headers)
-HB_DEP_LIBS = $(HB_DEP_LIBS) $(HB_GLIB_LIBS)
-
-HB_UTILS = \
-	$(HB_UTILS)					\
-	$(CFG)\$(PLAT)\hb-shape.exe	\
-	$(CFG)\$(PLAT)\hb-ot-shape-closure.exe
-
-HB_TESTS = \
-	$(HB_TESTS)	\
-	$(CFG)\$(PLAT)\main.exe						\
-	$(CFG)\$(PLAT)\test.exe						\
-	$(CFG)\$(PLAT)\test-buffer-serialize.exe	\
-	$(CFG)\$(PLAT)\test-size-params.exe			\
-	$(CFG)\$(PLAT)\test-would-substitute.exe	\
-	$(CFG)\$(PLAT)\test-blob.exe				\
-	$(CFG)\$(PLAT)\test-buffer.exe				\
-	$(CFG)\$(PLAT)\test-common.exe				\
-	$(CFG)\$(PLAT)\test-font.exe				\
-	$(CFG)\$(PLAT)\test-object.exe				\
-	$(CFG)\$(PLAT)\test-set.exe					\
-	$(CFG)\$(PLAT)\test-shape.exe				\
-	$(CFG)\$(PLAT)\test-unicode.exe				\
-	$(CFG)\$(PLAT)\test-version.exe
-
-!else
-
-# Define some of the macros in GLib's msvc_recommended_pragmas.h
-# to reduce some unneeded build-time warnings
-HB_CFLAGS =	\
-	$(HB_CFLAGS)			\
-	/wd4244				\
-	/D_CRT_SECURE_NO_WARNINGS	\
-	/D_CRT_NONSTDC_NO_WARNINGS
-
-!endif
-
-!if "$(ICU)" == "1"
-# use ICU for Unicode functions
-# and define some of the macros in GLib's msvc_recommended_pragmas.h
-# to reduce some unneeded build-time warnings
-HB_DEFINES = $(HB_DEFINES) /DHAVE_ICU=1 /DHAVE_ICU_BUILTIN=1
-
-# We don't want ICU to re-define int8_t in VS 2008, will cause build breakage
-# as we define it in hb-common.h, and we ought to use the definitions there.
-!if "$(VSVER)" == "9"
-HB_CFLAGS =	$(HB_CFLAGS) /DU_HAVE_INT8_T
-!endif
-
-HB_SOURCES = $(HB_SOURCES) $(HB_ICU_sources)
-HB_HEADERS = $(HB_HEADERS) $(HB_ICU_headers)
-HB_DEP_LIBS = $(HB_DEP_LIBS) $(HB_ICU_DEP_LIBS)
-!endif
-
-!if "$(UNISCRIBE)" == "1"
-HB_CFLAGS = $(HB_CFLAGS) /DHAVE_UNISCRIBE
-HB_SOURCES = $(HB_SOURCES) $(HB_UNISCRIBE_sources)
-HB_HEADERS = $(HB_HEADERS) $(HB_UNISCRIBE_headers)
-HB_DEP_LIBS = $(HB_DEP_LIBS) $(UNISCRIBE_LIB)
-!endif
-
-!if "$(DIRECTWRITE)" == "1"
-HB_CFLAGS = $(HB_CFLAGS) /DHAVE_DIRECTWRITE
-HB_SOURCES = $(HB_SOURCES) $(HB_DIRECTWRITE_sources)
-HB_HEADERS = $(HB_HEADERS) $(HB_DIRECTWRITE_headers)
-HB_DEP_LIBS = $(HB_DEP_LIBS) $(DIRECTWRITE_LIB)
-!endif
-
-HB_LIB_CFLAGS = $(HB_CFLAGS) /DHB_EXTERN="__declspec (dllexport) extern"
diff --git a/win32/config.h.win32.in b/win32/config.h.win32.in
deleted file mode 100644
index 435c1bb29..000000000
--- a/win32/config.h.win32.in
+++ /dev/null
@@ -1,158 +0,0 @@
-/* config.h.in.  Generated from configure.ac by autoheader.  */
-
-/* The normal alignment of `struct{char;}', in bytes. */
-#define ALIGNOF_STRUCT_CHAR__ 1
-
-/* Define to 1 if you have the `atexit' function. */
-#define HAVE_ATEXIT 1
-
-/* Have cairo graphics library */
-/* #undef HAVE_CAIRO */
-
-/* Have cairo-ft support in cairo graphics library */
-/* #undef HAVE_CAIRO_FT */
-
-/* Have Core Text backend */
-/* #undef HAVE_CORETEXT */
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-/* #undef HAVE_DLFCN_H */
-
-/* Have DirectWrite Library */
-/* #undef HAVE_DIRECTWRITE */
-
-/* Have simple TrueType Layout backend */
-#define HAVE_FALLBACK 1
-
-/* Have fontconfig library */
-/* #undef HAVE_FONTCONFIG */
-
-/* Have FreeType 2 library */
-/* #undef HAVE_FREETYPE */
-
-/* Define to 1 if you have the `getpagesize' function. */
-/* #undef HAVE_GETPAGESIZE */
-
-/* Have glib2 library */
-/* #undef HAVE_GLIB */
-
-/* Have gobject2 library */
-/* #undef HAVE_GOBJECT */
-
-/* Have Graphite2 library */
-/* #undef HAVE_GRAPHITE2 */
-
-/* Have ICU library */
-/* #undef HAVE_ICU */
-
-/* Have Intel __sync_* atomic primitives */
-/* #undef HAVE_INTEL_ATOMIC_PRIMITIVES */
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#if !defined (_MSC_VER) || (_MSC_VER >= 1800)
-#define HAVE_INTTYPES_H 1
-#endif
-
-/* Define to 1 if you have the `isatty' function. */
-#define HAVE_ISATTY 1
-
-/* Define to 1 if you have the <memory.h> header file. */
-#define HAVE_MEMORY_H 1
-
-/* Define to 1 if you have the `mmap' function. */
-/* #undef HAVE_MMAP */
-
-/* Define to 1 if you have the `mprotect' function. */
-/* #undef HAVE_MPROTECT */
-
-/* Have native OpenType Layout backend */
-#define HAVE_OT 1
-
-/* Have POSIX threads */
-/* #undef HAVE_PTHREAD */
-
-/* Have PTHREAD_PRIO_INHERIT. */
-/* #undef HAVE_PTHREAD_PRIO_INHERIT */
-
-/* Define to 1 if you have the <sched.h> header file. */
-/* #undef HAVE_SCHED_H */
-
-/* Have sched_yield */
-/* #undef HAVE_SCHED_YIELD */
-
-/* Have Solaris __machine_*_barrier and atomic_* operations */
-/* #undef HAVE_SOLARIS_ATOMIC_OPS */
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#if !defined (_MSC_VER) || (_MSC_VER >= 1600)
-#define HAVE_STDINT_H 1
-#endif
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#define HAVE_STDLIB_H 1
-
-/* Define to 1 if you have the <strings.h> header file. */
-#ifndef _MSC_VER
-#define HAVE_STRINGS_H 1
-#endif
-
-/* Define to 1 if you have the <string.h> header file. */
-#define HAVE_STRING_H 1
-
-/* Define to 1 if you have the `sysconf' function. */
-/* #undef HAVE_SYSCONF */
-
-/* Define to 1 if you have the <sys/mman.h> header file. */
-/* #undef HAVE_SYS_MMAN_H */
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#define HAVE_SYS_STAT_H 1
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#define HAVE_SYS_TYPES_H 1
-
-/* Have UCDN Unicode functions */
-/* #undef HAVE_UCDN */
-
-/* Have Uniscribe library */
-/* #undef HAVE_UNISCRIBE */
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#ifndef _MSC_VER
-#define HAVE_UNISTD_H 1
-#endif
-
-/* Define to 1 if you have the <usp10.h> header file. */
-#define HAVE_USP10_H 1
-
-/* Define to 1 if you have the <windows.h> header file. */
-#define HAVE_WINDOWS_H 1
-
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
-   */
-#define LT_OBJDIR ".libs/"
-
-/* Define to the address where bug reports for this package should be sent. */
-#define PACKAGE_BUGREPORT "@PACKAGE_BUGREPORT@"
-
-/* Define to the full name of this package. */
-#define PACKAGE_NAME "@PACKAGE_NAME@"
-
-/* Define to the full name and version of this package. */
-#define PACKAGE_STRING "@PACKAGE_NAME@ @PACKAGE_VERSION@"
-
-/* Define to the one symbol short name of this package. */
-#define PACKAGE_TARNAME "@PACKAGE_TARNAME@"
-
-/* Define to the home page for this package. */
-#define PACKAGE_URL "@PACKAGE_URL@"
-
-/* Define to the version of this package. */
-#define PACKAGE_VERSION "@PACKAGE_VERSION@"
-
-/* Define to necessary symbol if this constant uses a non-standard name on
-   your system. */
-/* #undef PTHREAD_CREATE_JOINABLE */
-
-/* Define to 1 if you have the ANSI C header files. */
-#define STDC_HEADERS 1
diff --git a/win32/create-lists-msvc.mak b/win32/create-lists-msvc.mak
deleted file mode 100644
index 2be0e987a..000000000
--- a/win32/create-lists-msvc.mak
+++ /dev/null
@@ -1,147 +0,0 @@
-# Convert the source listing to object (.obj) listing in
-# another NMake Makefile module, include it, and clean it up.
-# This is a "fact-of-life" regarding NMake Makefiles...
-# This file does not need to be changed unless one is maintaining the NMake Makefiles
-
-# For those wanting to add things here:
-# To add a list, do the following:
-# # $(description_of_list)
-# if [call create-lists.bat header $(makefile_snippet_file) $(variable_name)]
-# endif
-#
-# if [call create-lists.bat file $(makefile_snippet_file) $(file_name)]
-# endif
-#
-# if [call create-lists.bat footer $(makefile_snippet_file)]
-# endif
-# ... (repeat the if [call ...] lines in the above order if needed)
-# !include $(makefile_snippet_file)
-#
-# (add the following after checking the entries in $(makefile_snippet_file) is correct)
-# (the batch script appends to $(makefile_snippet_file), you will need to clear the file unless the following line is added)
-#!if [del /f /q $(makefile_snippet_file)]
-#!endif
-
-# In order to obtain the .obj filename that is needed for NMake Makefiles to build DLLs/static LIBs or EXEs, do the following
-# instead when doing 'if [call create-lists.bat file $(makefile_snippet_file) $(file_name)]'
-# (repeat if there are multiple $(srcext)'s in $(source_list), ignore any headers):
-# !if [for %c in ($(source_list)) do @if "%~xc" == ".$(srcext)" @call create-lists.bat file $(makefile_snippet_file) $(intdir)\%~nc.obj]
-#
-# $(intdir)\%~nc.obj needs to correspond to the rules added in build-rules-msvc.mak
-# %~xc gives the file extension of a given file, %c in this case, so if %c is a.cc, %~xc means .cc
-# %~nc gives the file name of a given file without extension, %c in this case, so if %c is a.cc, %~nc means a
-
-NULL=
-
-# For HarfBuzz
-!if [call create-lists.bat header hb_objs.mak harfbuzz_dll_OBJS]
-!endif
-
-!if [for %c in ($(HB_SOURCES)) do @if "%~xc" == ".cc" @call create-lists.bat file hb_objs.mak ^$(CFG)\^$(PLAT)\harfbuzz\%~nc.obj]
-!endif
-
-!if [for %c in ($(HB_SOURCES)) do @if "%~xc" == ".c" @call create-lists.bat file hb_objs.mak ^$(CFG)\^$(PLAT)\harfbuzz\%~nc.obj]
-!endif
-
-!if [call create-lists.bat footer hb_objs.mak]
-!endif
-
-# For HarfBuzz-GObject
-!if "$(GOBJECT)" == "1"
-
-!if [call create-lists.bat header hb_objs.mak harfbuzz_gobject_OBJS]
-!endif
-
-!if [for %c in ($(HB_GOBJECT_sources) $(HB_GOBJECT_ENUM_sources)) do @if "%~xc" == ".cc" @call create-lists.bat file hb_objs.mak ^$(CFG)\^$(PLAT)\harfbuzz-gobject\%~nc.obj]
-!endif
-
-!if [call create-lists.bat footer hb_objs.mak]
-!endif
-!endif
-
-# For the utility programs (GLib support is required)
-!if "$(GLIB)" == "1"
-
-# For hb-view, Cairo-FT support is required
-!if "$(CAIRO_FT)" == "1"
-
-!if [call create-lists.bat header hb_objs.mak hb_view_OBJS]
-!endif
-
-!if [for %c in ($(HB_VIEW_sources)) do @if "%~xc" == ".cc" @call create-lists.bat file hb_objs.mak ^$(CFG)\^$(PLAT)\util\%~nc.obj]
-!endif
-
-!if [call create-lists.bat footer hb_objs.mak]
-!endif
-!endif
-
-# For hb-shape
-!if [call create-lists.bat header hb_objs.mak hb_shape_OBJS]
-!endif
-
-!if [for %c in ($(HB_SHAPE_sources)) do @if "%~xc" == ".cc" @call create-lists.bat file hb_objs.mak ^$(CFG)\^$(PLAT)\util\%~nc.obj]
-!endif
-
-!if [call create-lists.bat footer hb_objs.mak]
-!endif
-
-# For hb-ot-shape-closure
-
-!if [call create-lists.bat header hb_objs.mak hb_ot_shape_closure_OBJS]
-!endif
-
-!if [for %c in ($(HB_OT_SHAPE_CLOSURE_sources)) do @if "%~xc" == ".cc" @call create-lists.bat file hb_objs.mak ^$(CFG)\^$(PLAT)\util\%~nc.obj]
-!endif
-
-!if [call create-lists.bat footer hb_objs.mak]
-!endif
-
-!endif
-
-!include hb_objs.mak
-
-!if [del /f /q hb_objs.mak]
-!endif
-
-# Gather the list of headers and sources for introspection and glib-mkenums
-!if [call create-lists.bat header hb_srcs.mak HB_ACTUAL_HEADERS]
-!endif
-
-!if [for %h in ($(HB_HEADERS)) do @call create-lists.bat file hb_srcs.mak ..\src\%h]
-!endif
-
-!if [call create-lists.bat footer hb_srcs.mak]
-!endif
-
-# Gather the lists of sources for introspection
-!if [call create-lists.bat header hb_srcs.mak HB_ACTUAL_SOURCES]
-!endif
-
-!if [for %s in ($(HB_SOURCES)) do @call create-lists.bat file hb_srcs.mak ..\src\%s]
-!endif
-
-!if [call create-lists.bat footer hb_srcs.mak]
-!endif
-
-!if [call create-lists.bat header hb_srcs.mak HB_GOBJECT_ACTUAL_SOURCES]
-!endif
-
-!if [for %s in ($(HB_GOBJECT_sources) $(HB_GOBJECT_STRUCTS_headers)) do @call create-lists.bat file hb_srcs.mak ..\src\%s]
-!endif
-
-!if [call create-lists.bat footer hb_srcs.mak]
-!endif
-
-!if [call create-lists.bat header hb_srcs.mak HB_RAGEL_GENERATED_ACTUAL_SOURCES]
-!endif
-
-!if [for %s in ($(RAGEL_RAW_GEN_SRCS)) do @call create-lists.bat file hb_srcs.mak ..\src\%s]
-!endif
-
-!if [call create-lists.bat footer hb_srcs.mak]
-!endif
-
-!include hb_srcs.mak
-
-!if [del /f /q hb_srcs.mak]
-!endif
diff --git a/win32/create-lists.bat b/win32/create-lists.bat
deleted file mode 100644
index ef60d5ce1..000000000
--- a/win32/create-lists.bat
+++ /dev/null
@@ -1,42 +0,0 @@
-@echo off
-rem Simple .bat script for creating the NMake Makefile snippets.
-
-if not "%1" == "header" if not "%1" == "file" if not "%1" == "footer" goto :error_cmd
-if "%2" == "" goto error_no_destfile
-
-if "%1" == "header" goto :header
-if "%1" == "file" goto :addfile
-if "%1" == "footer" goto :footer
-
-:header
-if "%3" == "" goto error_var
-echo %3 =	\>>%2
-goto done
-
-:addfile
-if "%3" == "" goto error_file
-echo.	%3	\>>%2
-goto done
-
-:footer
-echo.	$(NULL)>>%2
-echo.>>%2
-goto done
-
-:error_cmd
-echo Specified command '%1' was invalid.  Valid commands are: header file footer.
-goto done
-
-:error_no_destfile
-echo Destination NMake snippet file must be specified
-goto done
-
-:error_var
-echo A name must be specified for using '%1'.
-goto done
-
-:error_file
-echo A file must be specified for using '%1'.
-goto done
-
-:done
\ No newline at end of file
diff --git a/win32/detectenv-msvc.mak b/win32/detectenv-msvc.mak
deleted file mode 100644
index d10805253..000000000
--- a/win32/detectenv-msvc.mak
+++ /dev/null
@@ -1,146 +0,0 @@
-# Change this (or specify PREFIX= when invoking this NMake Makefile) if
-# necessary, so that the libs and headers of the dependent third-party
-# libraries can be located.  For instance, if building from GLib's
-# included Visual Studio projects, this should be able to locate the GLib
-# build out-of-the-box if they were not moved.  GLib's headers will be
-# found in $(GLIB_PREFIX)\include\glib-2.0 and
-# $(GLIB_PREFIX)\lib\glib-2.0\include and its import library will be found
-# in $(GLIB_PREFIX)\lib.
-
-!if "$(PREFIX)" == ""
-PREFIX = ..\..\vs$(VSVER)\$(PLAT)
-!endif
-
-# Location of the PERL interpretor, for running glib-mkenums.  glib-mkenums
-# needs to be found in $(PREFIX)\bin.  Using either a 32-bit or x64 PERL
-# interpretor are supported for either a 32-bit or x64 build.
-
-!if "$(PERL)" == ""
-PERL = perl
-!endif
-
-# Location of the Python interpretor, for building introspection.  The complete set
-# of Python Modules for introspection (the giscanner Python scripts and the _giscanner.pyd
-# compiled module) needs to be found in $(PREFIX)\lib\gobject-introspection\giscanner, and
-# the g-ir-scanner Python script and g-ir-compiler utility program needs to be found
-# in $(PREFIX)\bin, together with any DLLs they will depend on, if those DLLs are not already
-# in your PATH.
-# Note that the Python interpretor and the introspection modules and utility progam must
-# correspond to the build type (i.e. 32-bit Release for 32-bit Release builds, and so on).
-#
-# For introspection, currently only Python 2.7.x is supported.  This may change when Python 3.x
-# support is added upstream in gobject-introspection--when this happens, the _giscanner.pyd must
-# be the one that is built against the release series of Python that is used here.
-
-!if "$(PYTHON)" == ""
-PYTHON = python
-!endif
-
-# Location of the pkg-config utility program, for building introspection.  It needs to be able
-# to find the pkg-config (.pc) files so that the correct libraries and headers for the needed libraries
-# can be located, using PKG_CONFIG_PATH.  Using either a 32-bit or x64 pkg-config are supported for
-# either a 32-bit or x64 build.
-
-!if "$(PKG_CONFIG)" == ""
-PKG_CONFIG = pkg-config
-!endif
-
-# The items below this line should not be changed, unless one is maintaining
-# the NMake Makefiles.  The exception is for the CFLAGS_ADD line(s) where one
-# could use his/her desired compiler optimization flags, if he/she knows what is
-# being done.
-
-# Check to see we are configured to build with MSVC (MSDEVDIR, MSVCDIR or
-# VCINSTALLDIR) or with the MS Platform SDK (MSSDK or WindowsSDKDir)
-!if !defined(VCINSTALLDIR) && !defined(WINDOWSSDKDIR)
-MSG = ^
-This Makefile is only for Visual Studio 2008 and later.^
-You need to ensure that the Visual Studio Environment is properly set up^
-before running this Makefile.
-!error $(MSG)
-!endif
-
-ERRNUL  = 2>NUL
-_HASH=^#
-
-!if ![echo VCVERSION=_MSC_VER > vercl.x] \
-    && ![echo $(_HASH)if defined(_M_IX86) >> vercl.x] \
-    && ![echo PLAT=Win32 >> vercl.x] \
-    && ![echo $(_HASH)elif defined(_M_AMD64) >> vercl.x] \
-    && ![echo PLAT=x64 >> vercl.x] \
-    && ![echo $(_HASH)endif >> vercl.x] \
-    && ![cl -nologo -TC -P vercl.x $(ERRNUL)]
-!include vercl.i
-!if ![echo VCVER= ^\> vercl.vc] \
-    && ![set /a $(VCVERSION) / 100 - 6 >> vercl.vc]
-!include vercl.vc
-!endif
-!endif
-!if ![del $(ERRNUL) /q/f vercl.x vercl.i vercl.vc]
-!endif
-
-!if $(VCVERSION) > 1499 && $(VCVERSION) < 1600
-VSVER = 9
-!elseif $(VCVERSION) > 1599 && $(VCVERSION) < 1700
-VSVER = 10
-!elseif $(VCVERSION) > 1699 && $(VCVERSION) < 1800
-VSVER = 11
-!elseif $(VCVERSION) > 1799 && $(VCVERSION) < 1900
-VSVER = 12
-!elseif $(VCVERSION) > 1899 && $(VCVERSION) < 1910
-VSVER = 14
-!elseif $(VCVERSION) > 1909 && $(VCVERSION) < 2000
-VSVER = 15
-!else
-VSVER = 0
-!endif
-
-!if "$(VSVER)" == "0"
-MSG = ^
-This NMake Makefile set supports Visual Studio^
-9 (2008) through 14 (2015).  Your Visual Studio^
-version is not supported.
-!error $(MSG)
-!endif
-
-VALID_CFGSET = FALSE
-!if "$(CFG)" == "release" || "$(CFG)" == "debug"
-VALID_CFGSET = TRUE
-!endif
-
-# One may change these items, but be sure to test
-# the resulting binaries
-!if "$(CFG)" == "release"
-CFLAGS_ADD = /MD /O2 /GL /MP
-!if $(VSVER) > 9 && $(VSVER) < 14
-# Undocumented "enhance optimized debugging" switch. Became documented
-# as "/Zo" in VS 2013 Update 3, and is turned on by default in VS 2015.
-CFLAGS_ADD = $(CFLAGS_ADD) /d2Zi+
-!endif
-!else
-CFLAGS_ADD = /MDd /Od
-!endif
-
-!if "$(PLAT)" == "x64"
-LDFLAGS_ARCH = /machine:x64
-!elseif "$(PLAT)" == "arm"
-LDFLAGS_ARCH = /machine:arm
-CFLAGS_ADD = $(CFLAGS_ADD) /DWINAPI_FAMILY=3
-!else
-LDFLAGS_ARCH = /machine:x86
-!endif
-
-!if "$(VALID_CFGSET)" == "TRUE"
-CFLAGS = $(CFLAGS_ADD) /W3 /Zi /I.. /I..\src /I. /I$(PREFIX)\include
-
-!if "$(ADDITIONAL_LIB_DIR)" != ""
-ADDITIONAL_LIB_ARG = /libpath:$(ADDITIONAL_LIB_DIR)
-!endif
-LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(PREFIX)\lib $(ADDITIONAL_LIB_ARG) /DEBUG
-
-!if "$(CFG)" == "debug"
-LDFLAGS = $(LDFLAGS_BASE)
-!else
-LDFLAGS = $(LDFLAGS_BASE) /opt:ref /LTCG
-!endif
-!endif
diff --git a/win32/generate-msvc.mak b/win32/generate-msvc.mak
deleted file mode 100644
index 0d5c4b062..000000000
--- a/win32/generate-msvc.mak
+++ /dev/null
@@ -1,39 +0,0 @@
-# NMake Makefile portion for code generation and
-# intermediate build directory creation
-# Items in here should not need to be edited unless
-# one is maintaining the NMake build files.
-
-# Copy the pre-defined config.h.win32
-config.h: config.h.win32
-	@-copy $@.win32 $@
-
-# Generate the enumeration sources and headers
-# sed is not normally available on Windows, but since
-# we are already using PERL, use PERL one-liners.
-!if "$(GOBJECT)" == "1"
-$(HB_GOBJECT_ENUM_GENERATED_SOURCES): ..\src\hb-gobject-enums.h.tmpl ..\src\hb-gobject-enums.cc.tmpl $(HB_ACTUAL_HEADERS)
-	-$(PYTHON) $(PREFIX)\bin\glib-mkenums \
-		--identifier-prefix hb_ --symbol-prefix hb_gobject \
-		--template ..\src\$(@F).tmpl  $(HB_ACTUAL_HEADERS) > $@.tmp
-	for %%f in ($@.tmp) do if %%~zf gtr 0 $(PYTHON) sed-enums-srcs.py --input=$@.tmp --output=$@
-	@-del $@.tmp
-	if not exist $@ \
-	$(PERL) $(PREFIX)\bin\glib-mkenums \
-		--identifier-prefix hb_ --symbol-prefix hb_gobject \
-		--template ..\src\$(@F).tmpl  $(HB_ACTUAL_HEADERS) > $@.tmp
-	if exist $@.tmp $(PERL) -p -i.tmp1 -e "s/_t_get_type/_get_type/g" $@.tmp
-	if exist $@.tmp $(PERL) -p -i.tmp2 -e "s/_T \(/ (/g" $@.tmp
-	@if exist $@.tmp.tmp1 del $@.tmp.tmp1
-	@if exist $@.tmp.tmp2 del $@.tmp.tmp2
-	@if exist $@.tmp move $@.tmp $@
-!endif
-
-# Create the build directories
-$(CFG)\$(PLAT)\harfbuzz $(CFG)\$(PLAT)\harfbuzz-gobject $(CFG)\$(PLAT)\util:
-	@-md $@
-
-.SUFFIXES: .c .cc .hh .rl
-
-# Generate headers from Ragel sources
-{..\src\}.rl{..\src\}.hh:
-	$(RAGEL) -e -F1 -o $@ $<
diff --git a/win32/hb-introspection-msvc.mak b/win32/hb-introspection-msvc.mak
deleted file mode 100644
index 67a0c5e45..000000000
--- a/win32/hb-introspection-msvc.mak
+++ /dev/null
@@ -1,42 +0,0 @@
-
-!if "$(BUILD_INTROSPECTION)" == "TRUE"
-# Create the file list for introspection (to avoid the dreaded command-line-too-long problem on Windows)
-$(CFG)\$(PLAT)\hb_list: $(HB_ACTUAL_HEADERS) $(HB_ACTUAL_SOURCES) $(HB_GOBJECT_ENUM_GENERATED_SOURCES) $(HB_GOBJECT_ACTUAL_SOURCES)
-	@for %f in ($(HB_ACTUAL_HEADERS) $(HB_ACTUAL_SOURCES) $(HB_GOBJECT_ENUM_GENERATED_SOURCES) $(HB_GOBJECT_ACTUAL_SOURCES)) do @echo %f >> $@
-
-$(CFG)\$(PLAT)\HarfBuzz-0.0.gir: $(CFG)\$(PLAT)\harfbuzz-gobject.lib $(CFG)\$(PLAT)\hb_list
-	@set LIB=$(CFG)\$(PLAT);$(PREFIX)\lib;$(LIB)
-	@set PATH=$(CFG)\$(PLAT);$(PREFIX)\bin;$(PATH)
-	@-echo Generating $@...
-	$(PYTHON) $(G_IR_SCANNER)	\
-	--verbose -no-libtool	\
-	-I..\src -n hb --identifier-prefix=hb_ --warn-all	\
-	--namespace=HarfBuzz	\
-	--nsversion=0.0	\
-	--include=GObject-2.0	\
-	--library=harfbuzz-gobject	\
-	--library=harfbuzz	\
-	--add-include-path=$(G_IR_INCLUDEDIR)	\
-	--pkg-export=harfbuzz	\
-	--cflags-begin	\
-	$(CFLAGS) $(HB_DEFINES) $(HB_CFLAGS)	\
-	-DHB_H \
-	-DHB_H_IN \
-	-DHB_OT_H \
-	-DHB_OT_H_IN \
-	-DHB_GOBJECT_H \
-	-DHB_GOBJECT_H_IN \
-	--cflags-end	\
-	--filelist=$(CFG)\$(PLAT)\hb_list	\
-	-o $@
-
-$(CFG)\$(PLAT)\HarfBuzz-0.0.typelib: $(CFG)\$(PLAT)\HarfBuzz-0.0.gir
-	@copy $*.gir $(@B).gir
-	$(PREFIX)\bin\g-ir-compiler	\
-	--includedir=$(CFG)\$(PLAT) --debug --verbose	\
-	$(@B).gir	\
-	-o $@
-	@del $(@B).gir
-!else
-!error $(ERROR_MSG)
-!endif
diff --git a/win32/info-msvc.mak b/win32/info-msvc.mak
deleted file mode 100644
index 2a61b180c..000000000
--- a/win32/info-msvc.mak
+++ /dev/null
@@ -1,162 +0,0 @@
-# NMake Makefile portion for displaying config info
-
-INC_FEATURES = Fallback OT
-BUILT_TOOLS =
-BUILT_LIBRARIES = HarfBuzz
-
-!if "$(NO_UCDN)" != "1"
-UNICODE_IMPL = ucdn
-!elseif "$(GLIB)" == "1"
-UNICODE_IMPL = GLib
-!elseif "$(ICU)" == "1"
-UNICODE_IMPL = ICU
-!endif
-
-!if "$(GLIB)" == "1"
-INC_FEATURES = $(INC_FEATURES) GLib
-BUILT_TOOLS = hb-shape.exe hb-ot-shape-closure.exe
-!if "$(CAIRO_FT)" == "1"
-BUILT_TOOLS = hb-view.exe $(BUILT_TOOLS)
-!endif
-!endif
-!if "$(ICU)" == "1"
-INC_FEATURES = $(INC_FEATURES) ICU
-!endif
-
-!if "$(FREETYPE)" == "1"
-INC_FEATURES = $(INC_FEATURES) FreeType
-!endif
-
-!if "$(GRAPHITE2)" == "1"
-INC_FEATURES = $(INC_FEATURES) Graphite2
-!endif
-
-!if "$(UNISCRIBE)" == "1"
-INC_FEATURES = $(INC_FEATURES) Uniscribe
-!endif
-
-!if "$(DIRECTWRITE)" == "1"
-INC_FEATURES = $(INC_FEATURES) DirectWrite
-!endif
-
-!if "$(GOBJECT)" == "1"
-BUILT_LIBRARIES = $(BUILT_LIBRARIES) HarfBuzz-GObject
-!endif
-
-!if "$(INTROSPECTION)" == "1"
-BUILD_INTROSPECTION = yes
-!else
-BUILD_INTROSPECTION = no
-!endif
-
-build-info-hb:
-	@echo.
-	@echo ==================================
-	@echo Configuration for HarfBuzz Library
-	@echo ==================================
-	@echo Unicode Implementation: $(UNICODE_IMPL)
-	@echo Enabled Features: $(INC_FEATURES)
-
-all-build-info: build-info-hb
-	@echo.
-	@echo ----------------
-	@echo Other build info
-	@echo ----------------
-	@echo Built Libraries: $(BUILT_LIBRARIES)
-	@echo Built Tools: $(BUILT_TOOLS)
-	@echo Introspection: $(BUILD_INTROSPECTION)
-
-help:
-	@echo.
-	@echo =============================
-	@echo Building HarfBuzz Using NMake
-	@echo =============================
-	@echo nmake /f Makefile.vc CFG=[release^|debug] ^<PREFIX=PATH^> OPTION=1 ...
-	@echo.
-	@echo Where:
-	@echo ------
-	@echo CFG: Required, use CFG=release for an optimized build and CFG=debug
-	@echo for a debug build.  PDB files are generated for all builds.
-	@echo.
-	@echo PREFIX: Optional, the path where dependent libraries and tools may be
-	@echo found, default is ^$(srcrootdir)\..\vs^$(short_vs_ver)\^$(platform),
-	@echo where ^$(short_vs_ver) is 9 for VS 2008, 10 for VS 2010 and so on; and
-	@echo ^$(platform) is Win32 for 32-bit builds and x64 for x64 builds.
-	@echo.
-	@echo OPTION: Optional, may be any of the following, use OPTION=1 to enable;
-	@echo multiple OPTION's may be used.  If no OPTION is specified, a default
-	@echo HarfBuzz DLL is built with OpenType and support with a bundled
-	@echo Unicode implementation (UCDN).
-	@echo ======
-	@echo.
-	@echo CAIRO_FT:
-	@echo Enables Cairo-Freetype support, needed for the build of the hb-view utility.
-	@echo Implies FreeType2 support and also requires Cairo built with FreeType2
-	@echo support; GLib2 support must also be enabled.
-	@echo.
-	@echo DIRECTWRITE:
-	@echo Enable DirectWrite support, requires a recent enough Windows SDK.
-	@echo.
-	@echo FREETYPE:
-	@echo Enable FreeType2 support, requires the FreeType2 library
-	@echo.
-	@echo GLIB:
-	@echo Enable GLib2 support, with GLib Unicode support, requires the GNOME GLib2
-	@echo library.  Enables the build of utility programs.
-	@echo.
-	@echo GOBJECT:
-	@echo Enable the HarfBuzz-GObject library, also implies GLib2 support,
-	@echo requires the GNOME GLib2 libraries and tools, notably the glib-mkenums
-	@echo tool script, which will require a Python interpretor (when using
-	@echo GObject/GLib 2.53.4 or later; use PYTHON=^$(PATH_TO_PYTHON_INTERPRETOR)
-	@echo if the Python interpretor is not already in your PATH) or PERL
-	@echo interpreter (when using GObject/GLib 2.53.3 or earlier; use
-	@echo PERL=^$(PATH_TO_PERL_INTERPRETOR)) if it is not already in your PATH).
-	@echo.
-	@echo GRAPHITE2:
-	@echo Enable graphite2 support, requires the SIL Graphite2 library
-	@echo.
-	@echo ICU:
-	@echo Enable build with ICU Unicode functions, requires the International
-	@echo Components for Unicode (ICU) libraries.
-	@echo.
-	@echo INTROSPECTION:
-	@echo Enable the build of introspection files, also implies GObject/GLib2 support,
-	@echo requires the GNOME gobject-introspection libraries and tools.  You will need
-	@echo to ensure the pkg-config (.pc) files can be found for GObject-2.0 and the
-	@echo Python interpreter (that was used to build the gobject-introspection tools)
-	@echo can be found by setting PKG_CONFIG_PATH beforehand, and passing in PYTHON=
-	@echo ^$(PATH_TO_PYTHON_INTERPRETOR) respectively, if python.exe is not already
-	@echo in your PATH.
-	@echo.
-	@echo LIBTOOL_DLL_NAME:
-	@echo Use a libtool-style DLL name to mimic the DLL file naming generated by
-	@echo MinGW builds.
-	@echo.
-	@echo NO_UCDN:
-	@echo Do not use the bundled Unicode callback, which is the default.  GLib or
-	@echo ICU-based unicode callback is therefore required.
-	@echo.
-	@echo UNISCRIBE:
-	@echo Enable Uniscribe support.
-	@echo.
-	@echo RAGEL:
-	@echo Set the full path to the Ragel state machine compiler, if not already in
-	@echo PATH.  The Ragel state machine compiler is required if not building from
-	@echo a release tarball, or a rebuild is to be carried out after using the
-	@echo 'reallyclean' target.
-	@echo.
-	@echo Note that GLib2 support is required for all utility and test programs.
-	@echo ======
-	@echo A 'clean' target is supported to remove all generated files, intermediate
-	@echo object files and binaries for the specified configuration.
-	@echo.
-	@echo A 'tests' target is supported to build the test programs, if GLib2 support
-	@echo is enabled.  Use after building the libraries and utilities.
-	@echo.
-	@echo An 'install' target is supported to copy the build (DLLs, utility programs,
-	@echo LIBs, along with the introspection files if applicable) to appropriate
-	@echo locations under ^$(PREFIX).
-	@echo ======
-	@echo.
-	
diff --git a/win32/install.mak b/win32/install.mak
deleted file mode 100644
index e0a38e316..000000000
--- a/win32/install.mak
+++ /dev/null
@@ -1,25 +0,0 @@
-# NMake Makefile snippet for copying the built libraries, utilities and headers to
-# a path under $(PREFIX).
-
-install: all
-	@if not exist $(PREFIX)\bin\ mkdir $(PREFIX)\bin
-	@if not exist $(PREFIX)\lib\ mkdir $(PREFIX)\lib
-	@if not exist $(PREFIX)\include\harfbuzz\ mkdir $(PREFIX)\include\harfbuzz
-	@copy /b $(HARFBUZZ_DLL_FILENAME).dll $(PREFIX)\bin
-	@copy /b $(HARFBUZZ_DLL_FILENAME).pdb $(PREFIX)\bin
-	@copy /b $(CFG)\$(PLAT)\harfbuzz.lib $(PREFIX)\lib
-	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll copy /b $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll $(PREFIX)\bin
-	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll copy /b $(HARFBUZZ_GOBJECT_DLL_FILENAME).pdb $(PREFIX)\bin
-	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll copy /b $(CFG)\$(PLAT)\harfbuzz-gobject.lib $(PREFIX)\lib
-	@if exist $(CFG)\$(PLAT)\hb-view.exe copy /b $(CFG)\$(PLAT)\hb-view.exe $(PREFIX)\bin
-	@if exist $(CFG)\$(PLAT)\hb-view.exe copy /b $(CFG)\$(PLAT)\hb-view.pdb $(PREFIX)\bin
-	@if exist $(CFG)\$(PLAT)\hb-ot-shape-closure.exe copy /b $(CFG)\$(PLAT)\hb-ot-shape-closure.exe $(PREFIX)\bin
-	@if exist $(CFG)\$(PLAT)\hb-ot-shape-closure.exe copy /b $(CFG)\$(PLAT)\hb-ot-shape-closure.pdb $(PREFIX)\bin
-	@if exist $(CFG)\$(PLAT)\hb-shape.exe copy /b $(CFG)\$(PLAT)\hb-shape.exe $(PREFIX)\bin
-	@if exist $(CFG)\$(PLAT)\hb-shape.exe copy /b $(CFG)\$(PLAT)\hb-shape.pdb $(PREFIX)\bin
-	@for %h in ($(HB_ACTUAL_HEADERS)) do @copy %h $(PREFIX)\include\harfbuzz
-	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll for %h in ($(HB_GOBJECT_headers)) do @copy ..\src\%h $(PREFIX)\include\harfbuzz
-	@if exist $(HARFBUZZ_GOBJECT_DLL_FILENAME).dll copy $(CFG)\$(PLAT)\harfbuzz-gobject\hb-gobject-enums.h $(PREFIX)\include\harfbuzz
-	@rem Copy the generated introspection files
-	@if exist $(CFG)\$(PLAT)\HarfBuzz-0.0.gir copy $(CFG)\$(PLAT)\HarfBuzz-0.0.gir $(PREFIX)\share\gir-1.0
-	@if exist $(CFG)\$(PLAT)\HarfBuzz-0.0.typelib copy /b $(CFG)\$(PLAT)\HarfBuzz-0.0.typelib $(PREFIX)\lib\girepository-1.0
diff --git a/win32/introspection-msvc.mak b/win32/introspection-msvc.mak
deleted file mode 100644
index d32f7cf51..000000000
--- a/win32/introspection-msvc.mak
+++ /dev/null
@@ -1,73 +0,0 @@
-# Common NMake Makefile module for checking the build environment is sane
-# for building introspection files under MSVC/NMake.
-# This can be copied from $(gi_srcroot)\build\win32 for GNOME items
-# that support MSVC builds and introspection under MSVC.
-
-# Can override with env vars as needed
-# You will need to have built gobject-introspection for this to work.
-# Change or pass in or set the following to suit your environment
-
-!if "$(PREFIX)" == ""
-PREFIX = ..\..\..\vs$(VSVER)\$(PLAT)
-!endif
-
-# Note: The PYTHON must be the Python release series that was used to build
-# the GObject-introspection scanner Python module!
-# Either having python.exe your PATH will work or passing in
-# PYTHON=<full path to your Python interpretor> will do
-
-# This is required, and gobject-introspection needs to be built
-# before this can be successfully run.
-!if "$(PYTHON)" == ""
-PYTHON=python
-!endif
-
-# Don't change anything following this line!
-
-GIR_SUBDIR = share\gir-1.0
-GIR_TYPELIBDIR = lib\girepository-1.0
-G_IR_SCANNER = $(PREFIX)\bin\g-ir-scanner
-G_IR_COMPILER = $(PREFIX)\bin\g-ir-compiler.exe
-G_IR_INCLUDEDIR = $(PREFIX)\$(GIR_SUBDIR)
-G_IR_TYPELIBDIR = $(PREFIX)\$(GIR_TYPELIBDIR)
-
-VALID_PKG_CONFIG_PATH = FALSE
-
-MSG_INVALID_PKGCONFIG = You must set or specifiy a valid PKG_CONFIG_PATH
-MSG_INVALID_CFG = You need to specify or set CFG to be release or debug to use this Makefile to build the Introspection Files
-
-ERROR_MSG =
-
-BUILD_INTROSPECTION = TRUE
-
-!if ![pkg-config --print-errors --errors-to-stdout $(CHECK_PACKAGE) > pkgconfig.x]	\
-	&& ![setlocal]	\
-	&& ![set file="pkgconfig.x"]	\
-	&& ![FOR %A IN (%file%) DO @echo PKG_CHECK_SIZE=%~zA > pkgconfig.chksize]	\
-	&& ![del $(ERRNUL) /q/f pkgconfig.x]
-!endif
-
-!include pkgconfig.chksize
-!if "$(PKG_CHECK_SIZE)" == "0"
-VALID_PKG_CONFIG_PATH = TRUE
-!else
-VALID_PKG_CONFIG_PATH = FALSE
-!endif
-
-!if ![del $(ERRNUL) /q/f pkgconfig.chksize]
-!endif
-
-VALID_CFGSET = FALSE
-!if "$(CFG)" == "release" || "$(CFG)" == "debug"
-VALID_CFGSET = TRUE
-!endif
-
-!if "$(VALID_PKG_CONFIG_PATH)" != "TRUE"
-BUILD_INTROSPECTION = FALSE
-ERROR_MSG = $(MSG_INVALID_PKGCONFIG)
-!endif
-
-!if "$(VALID_CFGSET)" != "TRUE"
-BUILD_INTROSPECTION = FALSE
-ERROR_MSG = $(MSG_INVALID_CFG)
-!endif
diff --git a/win32/pc_base.py b/win32/pc_base.py
deleted file mode 100644
index f7976e8d2..000000000
--- a/win32/pc_base.py
+++ /dev/null
@@ -1,124 +0,0 @@
-#!/usr/bin/python
-#
-# Simple utility script to generate the basic info
-# needed in a .pc (pkg-config) file, used especially
-# for introspection purposes
-
-# This can be used in various projects where
-# there is the need to generate .pc files,
-# and is copied from GLib's $(srcroot)/win32
-
-# Author: Fan, Chun-wei
-# Date: March 10, 2016
-
-import os
-import sys
-import argparse
-
-class BasePCItems:
-    def __init__(self):
-        self.base_replace_items = {}
-        self.exec_prefix = ''
-        self.includedir = ''
-        self.libdir = ''
-        self.prefix = ''
-        self.srcdir = os.path.dirname(__file__)
-        self.top_srcdir = self.srcdir + '\\..'
-        self.version = ''
-
-    def setup(self, argv, parser=None):
-        if parser is None:
-            parser = argparse.ArgumentParser(description='Setup basic .pc file info')
-        parser.add_argument('--prefix', help='prefix of the installed library',
-                            required=True)
-        parser.add_argument('--exec-prefix',
-                            help='prefix of the installed programs, \
-                                  if different from the prefix')
-        parser.add_argument('--includedir',
-                            help='includedir of the installed library, \
-                                  if different from ${prefix}/include')
-        parser.add_argument('--libdir',
-                            help='libdir of the installed library, \
-                                  if different from ${prefix}/lib')
-        parser.add_argument('--version', help='Version of the package',
-                            required=True)
-        args = parser.parse_args()
-
-        self.version = args.version
-
-        # check whether the prefix and exec_prefix are valid
-        if not os.path.exists(args.prefix):
-            raise SystemExit('Specified prefix \'%s\' is invalid' % args.prefix)
-
-        # use absolute paths for prefix
-        self.prefix = os.path.abspath(args.prefix).replace('\\','/')
-
-        # check and setup the exec_prefix
-        if getattr(args, 'exec_prefix', None) is None:
-            exec_prefix_use_shorthand = True
-            self.exec_prefix = '${prefix}'
-        else:
-            if args.exec_prefix.startswith('${prefix}'):
-                exec_prefix_use_shorthand = True
-                input_exec_prefix = args.prefix + args.exec_prefix[len('${prefix}'):]
-            else:
-                exec_prefix_use_shorthand = False
-                input_exec_prefix = args.exec_prefix
-            if not os.path.exists(input_exec_prefix):
-                raise SystemExit('Specified exec_prefix \'%s\' is invalid' %
-                                  args.exec_prefix)
-            if exec_prefix_use_shorthand is True:
-                self.exec_prefix = args.exec_prefix.replace('\\','/')
-            else:
-                self.exec_prefix = os.path.abspath(input_exec_prefix).replace('\\','/')
-
-        # check and setup the includedir
-        if getattr(args, 'includedir', None) is None:
-            self.includedir = '${prefix}/include'
-        else:
-            if args.includedir.startswith('${prefix}'):
-                includedir_use_shorthand = True
-                input_includedir = args.prefix + args.includedir[len('${prefix}'):]
-            else:
-                if args.includedir.startswith('${exec_prefix}'):
-                    includedir_use_shorthand = True
-                    input_includedir = input_exec_prefix + args.includedir[len('${exec_prefix}'):]
-                else:
-                    includedir_use_shorthand = False
-                    input_includedir = args.includedir
-            if not os.path.exists(input_includedir):
-                raise SystemExit('Specified includedir \'%s\' is invalid' %
-                                  args.includedir)
-            if includedir_use_shorthand is True:
-                self.includedir = args.includedir.replace('\\','/')
-            else:
-                self.includedir = os.path.abspath(input_includedir).replace('\\','/')
-
-        # check and setup the libdir
-        if getattr(args, 'libdir', None) is None:
-            self.libdir = '${prefix}/lib'
-        else:
-            if args.libdir.startswith('${prefix}'):
-                libdir_use_shorthand = True
-                input_libdir = args.prefix + args.libdir[len('${prefix}'):]
-            else:
-                if args.libdir.startswith('${exec_prefix}'):
-                    libdir_use_shorthand = True
-                    input_libdir = input_exec_prefix + args.libdir[len('${exec_prefix}'):]
-                else:
-                    libdir_use_shorthand = False
-                    input_libdir = args.libdir
-            if not os.path.exists(input_libdir):
-                raise SystemExit('Specified libdir \'%s\' is invalid' %
-			                      args.libdir)
-            if libdir_use_shorthand is True:
-                self.libdir = args.libdir.replace('\\','/')
-            else:
-                self.libdir = os.path.abspath(input_libdir).replace('\\','/')
-
-        # setup dictionary for replacing items in *.pc.in
-        self.base_replace_items.update({'@VERSION@': self.version})
-        self.base_replace_items.update({'@prefix@': self.prefix})
-        self.base_replace_items.update({'@exec_prefix@': self.exec_prefix})
-        self.base_replace_items.update({'@libdir@': self.libdir})
-        self.base_replace_items.update({'@includedir@': self.includedir})
diff --git a/win32/replace.py b/win32/replace.py
deleted file mode 100644
index e3ef16351..000000000
--- a/win32/replace.py
+++ /dev/null
@@ -1,115 +0,0 @@
-#!/usr/bin/python
-#
-# Simple utility script to manipulate
-# certain types of strings in a file
-
-# This can be used in various projects where
-# there is the need to replace strings in files,
-# and is copied from GLib's $(srcroot)/win32
-
-# Author: Fan, Chun-wei
-# Date: September 03, 2014
-
-import os
-import sys
-import re
-import string
-import argparse
-
-valid_actions = ['remove-prefix',
-                 'replace-var',
-                 'replace-str',
-                 'remove-str']
-
-def open_file(filename, mode):
-    if sys.version_info[0] < 3:
-        return open(filename, mode=mode)
-    else:
-        return open(filename, mode=mode, encoding='latin-1')
-
-def replace_multi(src, dest, replace_items):
-    with open_file(src, 'r') as s:
-        with open_file(dest, 'w') as d:
-            for line in s:
-                replace_dict = dict((re.escape(key), value) \
-                               for key, value in replace_items.items())
-                replace_pattern = re.compile("|".join(replace_dict.keys()))
-                d.write(replace_pattern.sub(lambda m: \
-                        replace_dict[re.escape(m.group(0))], line))
-
-def replace(src, dest, instring, outstring):
-    replace_item = {instring: outstring}
-    replace_multi(src, dest, replace_item)
-
-def check_required_args(args, params):
-    for param in params:
-        if getattr(args, param, None) is None:
-            raise SystemExit('%s: error: --%s argument is required' % (__file__, param))
-
-def warn_ignored_args(args, params):
-    for param in params:
-        if getattr(args, param, None) is not None:
-            print('%s: warning: --%s argument is ignored' % (__file__, param))
-
-def main(argv):
-
-    parser = argparse.ArgumentParser(description='Process strings in a file.')
-    parser.add_argument('-a',
-                        '--action',
-                        help='Action to carry out.  Can be one of:\n'
-                             'remove-prefix\n'
-                             'replace-var\n'
-                             'replace-str\n'
-                             'remove-str',
-                        choices=valid_actions)
-    parser.add_argument('-i', '--input', help='Input file')
-    parser.add_argument('-o', '--output', help='Output file')
-    parser.add_argument('--instring', help='String to replace or remove')
-    parser.add_argument('--var', help='Autotools variable name to replace')
-    parser.add_argument('--outstring',
-                        help='New String to replace specified string or variable')
-    parser.add_argument('--removeprefix', help='Prefix of string to remove')
-
-    args = parser.parse_args()
-
-    input_string = ''
-    output_string = ''
-
-    # We must have action, input, output for all operations
-    check_required_args(args, ['action','input','output'])
-
-    # Build the arguments by the operation that is to be done,
-    # to be fed into replace()
-
-    # Get rid of prefixes from a string
-    if args.action == 'remove-prefix':
-        check_required_args(args, ['instring','removeprefix'])
-        warn_ignored_args(args, ['outstring','var'])
-        input_string = args.removeprefix + args.instring
-        output_string = args.instring
-
-    # Replace an m4-style variable (those surrounded by @...@)
-    if args.action == 'replace-var':
-        check_required_args(args, ['var','outstring'])
-        warn_ignored_args(args, ['instring','removeprefix'])
-        input_string = '@' + args.var + '@'
-        output_string = args.outstring
-
-    # Replace a string
-    if args.action == 'replace-str':
-        check_required_args(args, ['instring','outstring'])
-        warn_ignored_args(args, ['var','removeprefix'])
-        input_string = args.instring
-        output_string = args.outstring
-
-    # Remove a string
-    if args.action == 'remove-str':
-        check_required_args(args, ['instring'])
-        warn_ignored_args(args, ['var','outstring','removeprefix'])
-        input_string = args.instring
-        output_string = ''
-
-    replace(args.input, args.output, input_string, output_string)
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv))
diff --git a/win32/sed-enums-srcs.py b/win32/sed-enums-srcs.py
deleted file mode 100644
index ee7614895..000000000
--- a/win32/sed-enums-srcs.py
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/python
-#
-# Utility script to replace strings in the
-# generated enum sources, as needed by the build
-
-# Author: Fan, Chun-wei
-# Date: Oct. 5, 2017
-
-import os
-import sys
-import argparse
-
-from replace import replace_multi
-
-def main(argv):
-    parser = argparse.ArgumentParser(description='Replace strings in generated enum sources')
-    parser.add_argument('--input', help='input generated temporary enum source',
-                        required=True)
-    parser.add_argument('--output',
-                        help='output generated final enum source', required=True)
-    args = parser.parse_args()
-
-    # check whether the generated temporary enum source exists
-    if not os.path.exists(args.input):
-        raise SystemExit('Specified generated temporary enum source \'%s\' is invalid' % args.input)
-
-    replace_items = {'_t_get_type': '_get_type',
-                     '_T (': ' ('}
-
-    # Generate the final enum source
-    replace_multi(args.input,
-                  args.output,
-                  replace_items)
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv))
\ No newline at end of file
diff --git a/win32/setup.py b/win32/setup.py
deleted file mode 100644
index c31b9e74a..000000000
--- a/win32/setup.py
+++ /dev/null
@@ -1,62 +0,0 @@
-#!/usr/bin/python
-# vim: encoding=utf-8
-#expand *.in files
-#this script is only intended for building from git, not for building from the released tarball, which already includes all necessary files
-import os
-import sys
-import re
-import string
-import subprocess
-import optparse
-from pc_base import BasePCItems
-from replace import replace_multi
-
-def get_version_items(srcroot):
-    ver = {}
-    RE_VERSION_LINE_START = re.compile(r'^AC_INIT\(\[(.+)\], *\n')
-    RE_VERSION_LINE_BODY = re.compile(r'^        \[(.+)\], *\n')
-    RE_VERSION_LINE_END = re.compile(r'^        \[(.+)\]\) *\n')
-
-    # Read from the AC_INIT lines to get the version/name/URLs info
-    with open(os.path.join(srcroot, 'configure.ac'), 'r') as ac:
-        for i in ac:
-            mo_init = RE_VERSION_LINE_START.search(i)
-            mo_pkg_info = RE_VERSION_LINE_BODY.search(i)
-            mo_pkg_url = RE_VERSION_LINE_END.search(i)
-            if mo_init:
-                ver['@PACKAGE_NAME@'] = mo_init.group(1) 
-            if mo_pkg_info:
-                if mo_pkg_info.group(1).startswith('http'):
-                    ver['@PACKAGE_BUGREPORT@'] = mo_pkg_info.group(1)
-                elif mo_pkg_info.group(1)[0].isdigit():
-                    ver['@PACKAGE_VERSION@'] = mo_pkg_info.group(1)
-                else:
-                    ver['@PACKAGE_TARNAME@'] = mo_pkg_info.group(1)
-            if mo_pkg_url:
-                ver['@PACKAGE_URL@'] = mo_pkg_url.group(1)
-            
-    ver['@HB_VERSION@'] = ver['@PACKAGE_VERSION@']
-
-    pkg_ver_parts = ver['@PACKAGE_VERSION@'].split('.')
-    ver['@HB_VERSION_MAJOR@'] = pkg_ver_parts[0]
-    ver['@HB_VERSION_MINOR@'] = pkg_ver_parts[1]
-    ver['@HB_VERSION_MICRO@'] = pkg_ver_parts[2]
-    return ver
-
-def main(argv):
-    pc = BasePCItems()
-    srcroot = pc.top_srcdir
-    srcdir = pc.srcdir
-    ver = get_version_items(srcroot)
-
-    replace_multi(os.path.join(srcdir, 'config.h.win32.in'),
-                  os.path.join(srcdir, 'config.h.win32'),
-                  ver)
-
-    replace_multi(os.path.join(srcroot, 'src', 'hb-version.h.in'),
-                  os.path.join(srcroot, 'src', 'hb-version.h'),
-                  ver)
-    return 0
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv))

From 6a2cbc6ef51680309eb3970ed9c66ff766dc8040 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 12 Oct 2017 10:46:09 +0200
Subject: [PATCH 0455/1326] [coretext] Use fabsf() instead of abs()

Fixes bots.

Link libharfbuzz.so with -lm.  Surprising that we survived without
it so far!
---
 src/Makefile.am    | 2 +-
 src/harfbuzz.pc.in | 2 +-
 src/hb-coretext.cc | 5 +++--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index ea550d266..df99afee7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -122,7 +122,7 @@ endif
 
 libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS) $(HBNODISTHEADERS)
 libharfbuzz_la_CPPFLAGS = $(HBCFLAGS)
-libharfbuzz_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(HB_LIBTOOL_VERSION_INFO) $(export_symbols) -no-undefined
+libharfbuzz_la_LDFLAGS = $(AM_LDFLAGS) -lm -version-info $(HB_LIBTOOL_VERSION_INFO) $(export_symbols) -no-undefined
 libharfbuzz_la_LIBADD = $(HBLIBS)
 EXTRA_libharfbuzz_la_DEPENDENCIES = $(harfbuzz_def_dependency)
 pkginclude_HEADERS = $(HBHEADERS)
diff --git a/src/harfbuzz.pc.in b/src/harfbuzz.pc.in
index b3e124aa8..661251c2d 100644
--- a/src/harfbuzz.pc.in
+++ b/src/harfbuzz.pc.in
@@ -8,6 +8,6 @@ Description: HarfBuzz text shaping library
 Version: %VERSION%
 
 Libs: -L${libdir} -lharfbuzz
-Libs.private: %libs_private%
+Libs.private: -lm %libs_private%
 Requires.private: %requires_private%
 Cflags: -I${includedir}/harfbuzz
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index d899737d7..2beb59476 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -30,6 +30,7 @@
 #include "hb-shaper-impl-private.hh"
 
 #include "hb-coretext.h"
+#include <math.h>
 
 
 #ifndef HB_DEBUG_CORETEXT
@@ -79,8 +80,8 @@ hb_coretext_face_create (CGFontRef cg_font)
 
 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
 HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
-                                            abs (CTFontGetSize((CTFontRef) data) -
-                                                 (font->ptem <= 0 ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem)) < 1)
+                                            fabsf (CTFontGetSize((CTFontRef) data) -
+                                                   (font->ptem <= 0 ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem)) <= .5)
 
 /*
  * shaper face data

From 6760021d6f4beef852c6560607b32090bcfa5acb Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Thu, 12 Oct 2017 12:05:08 +0300
Subject: [PATCH 0456/1326] CMakelists.txt fix for Freetype builds (#564)

Instead of searching for freetype using pkg-config, use the FindFreetype
feature of CMake. This allows for better integration with other projects
that make use of CMake.

Fixes https://github.com/behdad/harfbuzz/issues/518
---
 CMakeLists.txt | 26 ++++++++------------------
 1 file changed, 8 insertions(+), 18 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee3135667..650def81b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -183,29 +183,19 @@ set(project_headers
 
 ## Find and include needed header folders and libraries
 if (HB_HAVE_FREETYPE)
+
+  include(FindFreetype)
+  if (NOT FREETYPE_FOUND)
+    message(FATAL_ERROR "HB_HAVE_FREETYPE was set, but we failed to find it. Maybe add a CMAKE_PREFIX_PATH= to your Freetype2 install prefix")
+  endif()
+
+  list(APPEND THIRD_PARTY_LIBS ${FREETYPE_LIBRARIES})
+  include_directories(AFTER ${FREETYPE_INCLUDE_DIRS})
   add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)
 
-  # https://github.com/WebKit/webkit/blob/master/Source/cmake/FindFreetype2.cmake
-  find_package(PkgConfig)
-  pkg_check_modules(PC_FREETYPE2 QUIET freetype2)
-
-  find_path(FREETYPE2_HEADER_DIR NAMES freetype.h HINTS ${PC_FREETYPE2_INCLUDE_DIRS} ${PC_FREETYPE2_INCLUDEDIR} $ENV{FREETYPE_DIR}/include PATH_SUFFIXES freetype)
-  find_path(FREETYPE2_ROOT_INCLUDE_DIR NAMES freetype/freetype.h HINTS ${PC_FREETYPE2_INCLUDE_DIRS} ${PC_FREETYPE2_INCLUDEDIR} $ENV{FREETYPE_DIR}/include)
-  if (CMAKE_BUILD_TYPE MATCHES Debug)
-    set(FREETYPE2_LIBRARY_NAME freetyped)
-  else ()
-    set(FREETYPE2_LIBRARY_NAME freetype)
-  endif ()
-  find_library(FREETYPE2_LIBRARIES ${FREETYPE2_LIBRARY_NAME} HINTS ${PC_FREETYPE2_LIBDIR} ${PC_FREETYPE2_LIBRARY_DIRS} $ENV{FREETYPE_DIR}/lib)
-
-  include_directories(AFTER ${FREETYPE2_HEADER_DIR} ${FREETYPE2_ROOT_INCLUDE_DIR})
-
   list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
 
-  list(APPEND THIRD_PARTY_LIBS ${FREETYPE2_LIBRARIES})
-
-  mark_as_advanced(FREETYPE2_HEADER_DIR FREETYPE2_ROOT_INCLUDE_DIR FREETYPE2_LIBRARIES)
 endif ()
 
 if (HB_HAVE_GRAPHITE2)

From dd4b321b4a429c6e6a28441ea9ae52f8f9dd1dad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20R=C3=B6ttsches?= <drott@chromium.org>
Date: Thu, 12 Oct 2017 11:49:37 +0200
Subject: [PATCH 0457/1326] [coretext] Activate tracking for system fonts

Another attempt at fully fixing
https://github.com/behdad/harfbuzz/issues/360
---
 src/hb-coretext.cc | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 2beb59476..440770500 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -150,7 +150,33 @@ create_cg_font (hb_face_t *face)
 static CTFontRef
 create_ct_font (CGFontRef cg_font, CGFloat font_size)
 {
-  CTFontRef ct_font = CTFontCreateWithGraphicsFont (cg_font, font_size, NULL, NULL);
+  CTFontRef ct_font = NULL;
+
+  /* CoreText does not enable trak table usage / tracking when creating a CTFont
+   * using CTFontCreateWithGraphicsFont. The only way of enabling tracking seems
+   * to be through the CTFontCreateUIFontForLanguage call. */
+  CFStringRef cg_postscript_name = CGFontCopyPostScriptName (cg_font);
+  if (CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSText")) ||
+      CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSDisplay")))
+  {
+    CTFontUIFontType font_type = kCTFontUIFontSystem;
+    if (CFStringHasSuffix (cg_postscript_name, CFSTR ("-Bold")))
+      font_type = kCTFontUIFontEmphasizedSystem;
+
+    ct_font = CTFontCreateUIFontForLanguage (font_type, font_size, NULL);
+    CFStringRef ct_result_name = CTFontCopyPostScriptName(ct_font);
+    if (CFStringCompare (ct_result_name, cg_postscript_name, 0) != kCFCompareEqualTo)
+    {
+      CFRelease(ct_font);
+      ct_font = NULL;
+    }
+    CFRelease (ct_result_name);
+  }
+  CFRelease (cg_postscript_name);
+
+  if (!ct_font)
+    ct_font = CTFontCreateWithGraphicsFont (cg_font, font_size, NULL, NULL);
+
   if (unlikely (!ct_font)) {
     DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont() failed");
     return NULL;

From 8923033eb2dab75e9361e9ea1333deb1213393ce Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 12 Oct 2017 12:01:48 +0200
Subject: [PATCH 0458/1326] [coretext] Use fabs() to silence compiler warning

---
 src/hb-coretext.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 440770500..fbbf56bd3 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -80,8 +80,8 @@ hb_coretext_face_create (CGFontRef cg_font)
 
 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
 HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
-                                            fabsf (CTFontGetSize((CTFontRef) data) -
-                                                   (font->ptem <= 0 ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem)) <= .5)
+                                            fabs (CTFontGetSize((CTFontRef) data) -
+                                                  (font->ptem <= 0 ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem)) <= .5)
 
 /*
  * shaper face data

From 6bac4ac2bebb612debecc8ec10b845e977c0afe1 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 12 Oct 2017 15:15:49 +0330
Subject: [PATCH 0459/1326] Minor BUILD.md fix (#565)

---
 BUILD.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BUILD.md b/BUILD.md
index 370c997ac..2107803a2 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -9,7 +9,7 @@ on Windows, consider using [vcpkg](https://github.com/Microsoft/vcpkg),
 provided by Microsoft, for building HarfBuzz and other open-source libraries
 but if you need to build harfbuzz from source, put ragel binary on your
 PATH and follow appveyor CI's cmake
-[https://github.com/behdad/harfbuzz/blob/master/appveyor.yml](build steps).
+[build steps](https://github.com/behdad/harfbuzz/blob/master/appveyor.yml).
 
 on macOS, using MacPorts:
 * sudo port install freetype glib2 cairo

From 40b05d7b770b8045f176f66231c412b32482d874 Mon Sep 17 00:00:00 2001
From: n8willis <n8willis@users.noreply.github.com>
Date: Thu, 12 Oct 2017 12:48:48 +0100
Subject: [PATCH 0460/1326] Replacing 'cluster' with 'syllable' when comments
 describe certain Indic shaping behavior (#563)

* Clarified wording of syllable/cluster behavior in Uniscribe in final_reordering; changed one other probable typo.

* Additional syllable/cluster swap in comments for final reordering and for initial-reordering matra decomposition.
---
 src/hb-ot-shape-complex-indic.cc | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 31dc1c0eb..5d22ca3a1 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -856,8 +856,8 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 
   /* 2. Decompose and reorder Matras:
    *
-   * Each matra and any syllable modifier sign in the cluster are moved to the
-   * appropriate position relative to the consonant(s) in the cluster. The
+   * Each matra and any syllable modifier sign in the syllable are moved to the
+   * appropriate position relative to the consonant(s) in the syllable. The
    * shaping engine decomposes two- or three-part matras into their constituent
    * parts before any repositioning. Matra characters are classified by which
    * consonant in a conjunct they have affinity for and are reordered to the
@@ -1283,7 +1283,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 
 
   /* This function relies heavily on halant glyphs.  Lots of ligation
-   * and possibly multiplication substitutions happened prior to this
+   * and possibly multiple substitutions happened prior to this
    * phase, and that might have messed up our properties.  Recover
    * from a particular case of that where we're fairly sure that a
    * class of OT_H is desired but has been lost. */
@@ -1307,7 +1307,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
    * After the localized forms and basic shaping forms GSUB features have been
    * applied (see below), the shaping engine performs some final glyph
    * reordering before applying all the remaining font features to the entire
-   * cluster.
+   * syllable.
    */
 
   bool try_pref = !!indic_plan->mask_array[PREF];
@@ -1690,8 +1690,8 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
         break;
 
       default:
-	/* Uniscribe merges the entire cluster... Except for Tamil & Sinhala.
-	 * This means, half forms are submerged into the main consonants cluster.
+	/* Uniscribe merges the entire syllable into a single cluster... Except for Tamil & Sinhala.
+	 * This means, half forms are submerged into the main consonant's cluster.
 	 * This is unnecessary, and makes cursor positioning harder, but that's what
 	 * Uniscribe does. */
 	buffer->merge_clusters (start, end);

From fa48ccbe127a2e61ab316f3638e4056940964dae Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 12 Oct 2017 14:07:37 +0200
Subject: [PATCH 0461/1326] [indic] Special-case Kannada Ra,H,ZWJ sequence

Fixes https://github.com/behdad/harfbuzz/issues/435
---
 src/hb-ot-shape-complex-indic.cc                 |  15 +++++++++++++++
 test/shaping/Makefile.am                         |   1 +
 .../3cae6bfe5b57c07ba81ddbd54c02fe4f3a1e3bf6.ttf | Bin 0 -> 2984 bytes
 test/shaping/tests/indic-special-cases.tests     |   3 +++
 4 files changed, 19 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/3cae6bfe5b57c07ba81ddbd54c02fe4f3a1e3bf6.ttf
 create mode 100644 test/shaping/tests/indic-special-cases.tests

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 31dc1c0eb..e520f38f4 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -691,6 +691,21 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   const indic_shape_plan_t *indic_plan = (const indic_shape_plan_t *) plan->data;
   hb_glyph_info_t *info = buffer->info;
 
+  /* https://github.com/behdad/harfbuzz/issues/435#issuecomment-335560167
+   * // For compatibility with legacy useage in Kannada,
+   * // Ra+h+ZWJ must behave like Ra+ZWJ+h...
+   */
+  if (buffer->props.script == HB_SCRIPT_KANNADA &&
+      start + 3 <= end &&
+      is_one_of (info[start  ], FLAG (OT_Ra)) &&
+      is_one_of (info[start+1], FLAG (OT_H)) &&
+      is_one_of (info[start+2], FLAG (OT_ZWJ)))
+  {
+    buffer->merge_clusters (start+1, start+3);
+    hb_glyph_info_t tmp = info[start+1];
+    info[start+1] = info[start+2];
+    info[start+2] = tmp;
+  }
 
   /* 1. Find base consonant:
    *
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index ecb836db9..f788d42b7 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -61,6 +61,7 @@ TESTS = \
 	tests/indic-joiners.tests \
 	tests/indic-old-spec.tests \
 	tests/indic-pref-blocking.tests \
+	tests/indic-special-cases.tests \
 	tests/indic-syllable.tests \
 	tests/language-tags.tests \
 	tests/ligature-id.tests \
diff --git a/test/shaping/fonts/sha1sum/3cae6bfe5b57c07ba81ddbd54c02fe4f3a1e3bf6.ttf b/test/shaping/fonts/sha1sum/3cae6bfe5b57c07ba81ddbd54c02fe4f3a1e3bf6.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..2cacb68166ceaa6b12174666c8cd06a03115b95f
GIT binary patch
literal 2984
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HcmV?d00001

diff --git a/test/shaping/tests/indic-special-cases.tests b/test/shaping/tests/indic-special-cases.tests
new file mode 100644
index 000000000..d45ee8c43
--- /dev/null
+++ b/test/shaping/tests/indic-special-cases.tests
@@ -0,0 +1,3 @@
+fonts/sha1sum/3cae6bfe5b57c07ba81ddbd54c02fe4f3a1e3bf6.ttf::U+0CB0,U+0CCD,U+0C95:[gid1=0+1176|gid5=0+1161]
+fonts/sha1sum/3cae6bfe5b57c07ba81ddbd54c02fe4f3a1e3bf6.ttf::U+0CB0,U+200D,U+0CCD,U+0C95:[gid2=0+1334|gid6=0+358]
+fonts/sha1sum/3cae6bfe5b57c07ba81ddbd54c02fe4f3a1e3bf6.ttf::U+0CB0,U+0CCD,U+200D,U+0C95:[gid2=0+1334|gid6=0+358]

From 95883fc5d486ecd194253bb223802f930de73e28 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 13 Oct 2017 10:21:07 +0200
Subject: [PATCH 0462/1326] [coretext] Pass correct font size to CoreText

CoreText "point"s are not typographic points, but CSS pixels.  Ie.
they are 96 per inch, not 72 per inch.
---
 src/hb-coretext.cc | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index fbbf56bd3..c8a4a652b 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -38,7 +38,14 @@
 #endif
 
 /* https://developer.apple.com/documentation/coretext/1508745-ctfontcreatewithgraphicsfont */
-#define HB_CORETEXT_DEFAULT_FONT_SIZE 12.0
+#define HB_CORETEXT_DEFAULT_FONT_SIZE 12f
+
+static CGFloat
+coretext_font_size (float ptem)
+{
+  ptem *= 96f / 72f;
+  return ptem <= 0f ? HB_CORETEXT_DEFAULT_FONT_SIZE : ptem;
+}
 
 static void
 release_table_data (void *user_data)
@@ -77,11 +84,10 @@ hb_coretext_face_create (CGFontRef cg_font)
   return hb_face_create_for_tables (reference_table, CGFontRetain (cg_font), _hb_cg_font_release);
 }
 
-
 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
 HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
-                                            fabs (CTFontGetSize((CTFontRef) data) -
-                                                  (font->ptem <= 0 ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem)) <= .5)
+	fabs (CTFontGetSize((CTFontRef) data) - coretext_font_size (font->ptem)) <= .5
+)
 
 /*
  * shaper face data
@@ -280,9 +286,7 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
   if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
   CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face);
 
-  float ptem = font->ptem <= 0 ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem;
-
-  CTFontRef ct_font = create_ct_font (cg_font, ptem);
+  CTFontRef ct_font = create_ct_font (cg_font, coretext_font_size (font->ptem));
 
   if (unlikely (!ct_font))
   {

From c2cf68dbdffcbf45297dd161b4b6b2de667b5ae4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 13 Oct 2017 10:30:19 +0200
Subject: [PATCH 0463/1326] [coretext] Fix build

---
 src/hb-coretext.cc | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index c8a4a652b..22661407d 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -38,13 +38,18 @@
 #endif
 
 /* https://developer.apple.com/documentation/coretext/1508745-ctfontcreatewithgraphicsfont */
-#define HB_CORETEXT_DEFAULT_FONT_SIZE 12f
+#define HB_CORETEXT_DEFAULT_FONT_SIZE 12.f
 
 static CGFloat
 coretext_font_size (float ptem)
 {
-  ptem *= 96f / 72f;
-  return ptem <= 0f ? HB_CORETEXT_DEFAULT_FONT_SIZE : ptem;
+  /* CoreText points are CSS pixels (96 per inch),
+   * NOT typographic points (72 per inch).
+   *
+   * https://developer.apple.com/library/content/documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Explained/Explained.html
+   */
+  ptem *= 96.f / 72.f;
+  return ptem <= 0.f ? HB_CORETEXT_DEFAULT_FONT_SIZE : ptem;
 }
 
 static void

From 74f1b88e3720103562552780af7058131c5492d5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 13 Oct 2017 11:01:55 +0200
Subject: [PATCH 0464/1326] [ucdn] Fix compiler warnings

---
 src/hb-ucdn.cc | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/src/hb-ucdn.cc b/src/hb-ucdn.cc
index d8404b294..d41cf5b93 100644
--- a/src/hb-ucdn.cc
+++ b/src/hb-ucdn.cc
@@ -167,14 +167,16 @@ static const hb_script_t ucdn_script_translate[] =
 };
 
 static hb_unicode_combining_class_t
-hb_ucdn_combining_class(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
+hb_ucdn_combining_class(hb_unicode_funcs_t *ufuncs HB_UNUSED,
+			hb_codepoint_t unicode,
 			void *user_data HB_UNUSED)
 {
     return (hb_unicode_combining_class_t) ucdn_get_combining_class(unicode);
 }
 
 static unsigned int
-hb_ucdn_eastasian_width(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
+hb_ucdn_eastasian_width(hb_unicode_funcs_t *ufuncs HB_UNUSED,
+			hb_codepoint_t unicode,
 			void *user_data HB_UNUSED)
 {
     int w = ucdn_get_east_asian_width(unicode);
@@ -182,28 +184,31 @@ hb_ucdn_eastasian_width(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
 }
 
 static hb_unicode_general_category_t
-hb_ucdn_general_category(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
+hb_ucdn_general_category(hb_unicode_funcs_t *ufuncs HB_UNUSED,
+			 hb_codepoint_t unicode,
 			 void *user_data HB_UNUSED)
 {
     return (hb_unicode_general_category_t)ucdn_get_general_category(unicode);
 }
 
 static hb_codepoint_t
-hb_ucdn_mirroring(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
+hb_ucdn_mirroring(hb_unicode_funcs_t *ufuncs HB_UNUSED,
+		  hb_codepoint_t unicode,
 		  void *user_data HB_UNUSED)
 {
     return ucdn_mirror(unicode);
 }
 
 static hb_script_t
-hb_ucdn_script(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
+hb_ucdn_script(hb_unicode_funcs_t *ufuncs HB_UNUSED,
+	       hb_codepoint_t unicode,
 	       void *user_data HB_UNUSED)
 {
     return ucdn_script_translate[ucdn_get_script(unicode)];
 }
 
 static hb_bool_t
-hb_ucdn_compose(hb_unicode_funcs_t *ufuncs,
+hb_ucdn_compose(hb_unicode_funcs_t *ufuncs HB_UNUSED,
 		hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab,
 		void *user_data HB_UNUSED)
 {
@@ -211,7 +216,7 @@ hb_ucdn_compose(hb_unicode_funcs_t *ufuncs,
 }
 
 static hb_bool_t
-hb_ucdn_decompose(hb_unicode_funcs_t *ufuncs,
+hb_ucdn_decompose(hb_unicode_funcs_t *ufuncs HB_UNUSED,
 		  hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b,
 		  void *user_data HB_UNUSED)
 {
@@ -219,7 +224,7 @@ hb_ucdn_decompose(hb_unicode_funcs_t *ufuncs,
 }
 
 static unsigned int
-hb_ucdn_decompose_compatibility(hb_unicode_funcs_t *ufuncs,
+hb_ucdn_decompose_compatibility(hb_unicode_funcs_t *ufuncs HB_UNUSED,
 				hb_codepoint_t u, hb_codepoint_t *decomposed,
 				void *user_data HB_UNUSED)
 {

From 25846cc39fb8a9516b8de4333f909851d471156f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 13 Oct 2017 16:30:33 +0200
Subject: [PATCH 0465/1326] 1.6.0

---
 NEWS                   | 35 +++++++++++++++++++++++++++++++++++
 configure.ac           |  2 +-
 docs/harfbuzz-docs.xml |  4 ++++
 3 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 92e5a5370..4973d1242 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,38 @@
+Overview of changes leading to 1.6.0
+Friday, October the 13th, 2017
+====================================
+
+- Update to Unicode 10.
+
+- Various Indic and Universal Shaping Engine fixes as a result of
+  HarfBuzz Hackfest with Jonathan Kew at Web Engines Hackfest at
+  the Igalia offices in A Coruña, Spain.  Thanks Igalia for having
+  us!
+
+- Implement Unicode Arabic Mark Ordering Algorithm UTR#53.
+
+- Implement optical sizing / tracking in CoreText backend, using
+  new API hb_font_set_ptem().
+
+- Allow notifying hb_font_t that underlying FT_Face changed sizing,
+  using new API hb_ft_font_changed().
+
+- More Graphite backend RTL fixes.
+
+- Fix caching of variable font shaping plans.
+
+- hb-view / hb-shape now accept following new arguments:
+
+  o --unicodes: takes a list of hex numbers that represent Unicode
+    codepoints.
+
+New API:
++hb_face_get_table_tags()
++hb_font_set_ptem()
++hb_font_get_ptem()
++hb_ft_font_changed()
+
+
 Overview of changes leading to 1.5.1
 Tuesday, September 5, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 7b947f276..5b0797f99 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.5.1],
+        [1.6.0],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])
diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index d77ea654a..12df83362 100644
--- a/docs/harfbuzz-docs.xml
+++ b/docs/harfbuzz-docs.xml
@@ -196,6 +196,10 @@
         <title>Index of new symbols in 1.5.0</title>
         <xi:include href="xml/api-index-1.5.0.xml"><xi:fallback /></xi:include>
       </index>
+      <index id="api-index-1-6-0" role="1.6.0">
+        <title>Index of new symbols in 1.6.0</title>
+        <xi:include href="xml/api-index-1.6.0.xml"><xi:fallback /></xi:include>
+      </index>
       <index id="deprecated-api-index" role="deprecated">
         <title>Index of deprecated API</title>
         <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>

From 81e2b9b8a959cb7d7503f58fca70761238697fc1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 10:48:19 +0200
Subject: [PATCH 0466/1326] Never skip over CGJ

We might want to tweak this some more.  For now, never skipping over
it is better behavior than always skipping.

Part of https://github.com/behdad/harfbuzz/issues/554
---
 src/hb-ot-layout-private.hh                   |  19 ++++++++++--------
 ...962d3202883a820aed019d9b5c1838c2ff69c6.ttf | Bin 0 -> 2468 bytes
 test/shaping/tests/default-ignorables.tests   |   1 +
 3 files changed, 12 insertions(+), 8 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/bf962d3202883a820aed019d9b5c1838c2ff69c6.ttf

diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 6717adeb9..eb8cc308b 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -226,7 +226,9 @@ _next_syllable (hb_buffer_t *buffer, unsigned int start)
  * - General_Category: 5 bits.
  * - A bit each for:
  *   * Is it Default_Ignorable(); we have a modified Default_Ignorable().
- *   * Whether it's one of the three Mongolian Free Variation Selectors.
+ *   * Whether it's one of the three Mongolian Free Variation Selectors,
+ *     CGJ, or other characters that are hidden but should not be ignored
+ *     like most other Default_Ignorable()s do during matching.
  *   * One free bit right now.
  *
  * The high-byte has different meanings, switched by the Gen-Cat:
@@ -264,20 +266,21 @@ _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
       buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_DEFAULT_IGNORABLES;
       props |=  UPROPS_MASK_IGNORABLE;
       if (u == 0x200Cu) props |= UPROPS_MASK_Cf_ZWNJ;
-      if (u == 0x200Du) props |= UPROPS_MASK_Cf_ZWJ;
+      else if (u == 0x200Du) props |= UPROPS_MASK_Cf_ZWJ;
       /* Mongolian Free Variation Selectors need to be remembered
        * because although we need to hide them like default-ignorables,
        * they need to non-ignorable during shaping.  This is similar to
        * what we do for joiners in Indic-like shapers, but since the
        * FVSes are GC=Mn, we have use a separate bit to remember them.
        * Fixes:
-       * https://github.com/behdad/harfbuzz/issues/234
-       */
-      if (unlikely (hb_in_range (u, 0x180Bu, 0x180Du))) props |= UPROPS_MASK_HIDDEN;
+       * https://github.com/behdad/harfbuzz/issues/234 */
+      else if (unlikely (hb_in_range (u, 0x180Bu, 0x180Du))) props |= UPROPS_MASK_HIDDEN;
       /* TAG characters need similar treatment. Fixes:
-       * https://github.com/behdad/harfbuzz/issues/463
-       */
-      if (unlikely (hb_in_range (u, 0xE0020u, 0xE007Fu))) props |= UPROPS_MASK_HIDDEN;
+       * https://github.com/behdad/harfbuzz/issues/463 */
+      else if (unlikely (hb_in_range (u, 0xE0020u, 0xE007Fu))) props |= UPROPS_MASK_HIDDEN;
+      /* COMBINING GRAPHEME JOINER should not be skipped; at least some times.
+       * https://github.com/behdad/harfbuzz/issues/554 */
+      else if (unlikely (u == 0x034Fu)) props |= UPROPS_MASK_HIDDEN;
     }
     else if (unlikely (HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK_OR_MODIFIER_SYMBOL (gen_cat)))
     {
diff --git a/test/shaping/fonts/sha1sum/bf962d3202883a820aed019d9b5c1838c2ff69c6.ttf b/test/shaping/fonts/sha1sum/bf962d3202883a820aed019d9b5c1838c2ff69c6.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..4cf9a3220803de3fa48189b8754c51a36a2747ec
GIT binary patch
literal 2468
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z603x0X~i~a5=GfiD}>svMMZ;7i&XV7snUkjNgZlCt=lp!leVs6Wt}>0JYw&6u9MKM
zf9zh}bI$KO=ljn0zQl;gO5Y}l4kmhf`*;^WM`Sn->Y2n>le_jV4%{R%0@6o`U0>@u
zw*ACkfqw`5i{!3I^MymX^F+!^zz2sisTtb>d5BcO&~qr2ogo8WGE4$n4o#jIy`$#d
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zcP4dwhWh1~f!_!AOr<g-@~4)kalbg<KQo=p{e7M11>he7zeh6lES;9G@Of&aFh!^d
zlKp`&Z;5rVXtUF02(x;xl^L8aH*?rkx!&t<iN#x8s>AM#Hv8fwOp#Nuwz;|F=^M%3
zKHIjks>=AKZ)xo>T%1|VzxmYFcgiXsb)7$xVP!vC8qPn@Zly~UOEmY51D{<T+~u%a
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ztIrUqcd`9EGV`H{Nt>&O|0HLfQAd2sW4m9?=i$u4g7gGylHa1W<fj1mbPMXe0V_;`
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zKT)bn6<H`cKSu>NVGN=gIl4<2V=cunirN(M6ugW|@rql-XF?nvB9@v>rJ)}(2tF_1
zq}b(|)a(RVGZUE!5`XEUW<o=bp1V~)&A`PFRSU*F=xOW=+R2b!PEM*J#xAqJ5#v``
zC)Q6(X^gL<OQ{f9lwi>%IAN*qh|seXqsV^J@2&!UUb=|!ob&|7r=+vkH)7uobP<0}
zM$`BQGTMiJRMgc3s}B;_ZL?0Ma#OH%#X>O)JH#C*+o7S%3{{CVAdd(r`9%c9-vXz^
zQ;dt?5Nn~I36;`E1G>bb4Q}k3bbW;O96Q1rVkKg};(fs{eC7p3$Sxwger5%!Ixi#T
EKMMZQZ2$lO

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/default-ignorables.tests b/test/shaping/tests/default-ignorables.tests
index 2d3ce9759..66ee76112 100644
--- a/test/shaping/tests/default-ignorables.tests
+++ b/test/shaping/tests/default-ignorables.tests
@@ -1 +1,2 @@
 fonts/sha1sum/051d92f8bc6ff724511b296c27623f824de256e9.ttf::U+0075,U+0361,U+034F,U+0301,U+0069:[gid2=0+1266|gid7=0@-617,442+0|gid5=0@-7,0+0|gid1=4+528]
+fonts/sha1sum/bf962d3202883a820aed019d9b5c1838c2ff69c6.ttf::U+0020,U+06CC,U+064E,U+034F,U+0651:[uni0651=1+0|space=1+0|uni064E=1@236,-432+0|uni06CC=1+1266|space=0+452]

From dad431e75bf998dcb09cff795c0f1083b3bd5449 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 10:55:32 +0200
Subject: [PATCH 0467/1326] [util] Include hb-private.hh

Simplifies compatibility issues by centralizing all boilerplate code
in hb-private.hh.
---
 util/options.hh | 31 +++++--------------------------
 1 file changed, 5 insertions(+), 26 deletions(-)

diff --git a/util/options.hh b/util/options.hh
index 9feee2dc0..60fc63345 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -59,35 +59,14 @@
 # define g_mapped_file_unref g_mapped_file_free
 #endif
 
-
-/* A few macros copied from hb-private.hh. */
-
-#if __GNUC__ >= 4
-#define HB_UNUSED	__attribute__((unused))
-#else
-#define HB_UNUSED
-#endif
-
-#undef MIN
-template <typename Type> static inline Type MIN (const Type &a, const Type &b) { return a < b ? a : b; }
-
-#undef MAX
-template <typename Type> static inline Type MAX (const Type &a, const Type &b) { return a > b ? a : b; }
-
-#undef  ARRAY_LENGTH
-template <typename Type, unsigned int n>
-static inline unsigned int ARRAY_LENGTH (const Type (&)[n]) { return n; }
-/* A const version, but does not detect erratically being called on pointers. */
-#define ARRAY_LENGTH_CONST(__array) ((signed int) (sizeof (__array) / sizeof (__array[0])))
-
-#define _ASSERT_STATIC1(_line, _cond)	HB_UNUSED typedef int _static_assert_on_line_##_line##_failed[(_cond)?1:-1]
-#define _ASSERT_STATIC0(_line, _cond)	_ASSERT_STATIC1 (_line, (_cond))
-#define ASSERT_STATIC(_cond)		_ASSERT_STATIC0 (__LINE__, (_cond))
-
+/* Normally I don't like including private headers, but hb-private.hh
+ * is generic utility stuff and in no way exposes the internals of
+ * libharfbuzz.
+ */
+#include "hb-private.hh"
 
 void fail (hb_bool_t suggest_help, const char *format, ...) G_GNUC_NORETURN G_GNUC_PRINTF (2, 3);
 
-
 extern hb_bool_t debug;
 
 struct option_group_t

From 76dcbf8b23475b25f8f1918f982bfd8f0dd3456e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 11:24:35 +0200
Subject: [PATCH 0468/1326] Add polyfill for static_assert and nullptr

Also fix hb_assert_constant_t.
---
 src/hb-private.hh | 38 ++++++++++++++++++++++++++++++++++----
 1 file changed, 34 insertions(+), 4 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index b5dccc556..493a8146b 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -74,6 +74,38 @@ extern "C" void  hb_free_impl(void *ptr);
 /* Compiler attributes */
 
 
+#if __cplusplus < 201103L
+
+// Null pointer literal
+// Source: SC22/WG21/N2431 = J16/07-0301
+// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf
+
+const                        // this is a const object...
+class {
+public:
+    template<class T>          // convertible to any type
+    operator T*() const {    // of null non-member
+        return 0;    // pointer...
+    }
+    template<class C, class T> // or any type of null
+    operator T C::*() const { // member pointer...
+        return 0;
+    }
+private:
+    void operator&() const;    // whose address can't be taken
+} nullptr = {};                // and whose name is nullptr
+
+// Static assertions
+#ifndef static_assert
+#define _PASTE1(a,b) a##b
+#define _PASTE(a,b) _PASTE1(a,b)
+#define static_assert(e, msg) \
+	HB_UNUSED typedef char _PASTE(assertion_failed_at_line_, __LINE__) [(e) ? 1 : -1]
+#endif // static_assert
+
+#endif // __cplusplus < 201103L
+
+
 #if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__)
 #define likely(expr) (__builtin_expect (!!(expr), 1))
 #define unlikely(expr) (__builtin_expect (!!(expr), 0))
@@ -239,13 +271,11 @@ static inline unsigned int ARRAY_LENGTH (const Type (&)[n]) { return n; }
 #define _ASSERT_STATIC0(_line, _cond)	_ASSERT_STATIC1 (_line, (_cond))
 #define ASSERT_STATIC(_cond)		_ASSERT_STATIC0 (__LINE__, (_cond))
 
-template <unsigned int cond> class hb_assert_constant_t {};
+template <unsigned int cond> class hb_assert_constant_t;
+template <> class hb_assert_constant_t<1> {};
 
 #define ASSERT_STATIC_EXPR_ZERO(_cond) (0 * (unsigned int) sizeof (hb_assert_constant_t<_cond>))
 
-#define _PASTE1(a,b) a##b
-#define PASTE(a,b) _PASTE1(a,b)
-
 /* Lets assert int types.  Saves trouble down the road. */
 
 ASSERT_STATIC (sizeof (int8_t) == 1);

From c3448e8d21963eb7fc357a37a7a426a4bf130ef3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 12:02:00 +0200
Subject: [PATCH 0469/1326] Use static_assert instead of custom ASSERT_STATIC

---
 src/hb-buffer-private.hh                   |  4 +--
 src/hb-buffer.cc                           |  2 +-
 src/hb-cache-private.hh                    |  4 +--
 src/hb-coretext.cc                         |  2 +-
 src/hb-open-type-private.hh                |  6 ++--
 src/hb-ot-layout-common-private.hh         |  2 +-
 src/hb-ot-layout-gdef-table.hh             |  6 ++--
 src/hb-ot-layout.cc                        | 14 ++++-----
 src/hb-ot-map.cc                           |  2 +-
 src/hb-ot-math-table.hh                    |  4 +--
 src/hb-ot-shape-complex-arabic-fallback.hh |  6 ++--
 src/hb-ot-shape-complex-indic.cc           |  2 +-
 src/hb-ot-shape-complex-use.cc             |  2 +-
 src/hb-private.hh                          | 34 ++++++++++------------
 src/hb-set-private.hh                      |  8 ++---
 src/hb-uniscribe.cc                        |  2 +-
 util/options.cc                            |  3 +-
 17 files changed, 50 insertions(+), 53 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 37380b40d..1aa87b65c 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -45,8 +45,8 @@
 #define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
 #endif
 
-ASSERT_STATIC (sizeof (hb_glyph_info_t) == 20);
-ASSERT_STATIC (sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t));
+static_assert ((sizeof (hb_glyph_info_t) == 20), "");
+static_assert ((sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t)), "");
 
 HB_MARK_AS_FLAG_T (hb_buffer_flags_t);
 HB_MARK_AS_FLAG_T (hb_buffer_serialize_flags_t);
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 171d1016e..25b798b58 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -130,7 +130,7 @@ hb_buffer_t::enlarge (unsigned int size)
   while (size >= new_allocated)
     new_allocated += (new_allocated >> 1) + 32;
 
-  ASSERT_STATIC (sizeof (info[0]) == sizeof (pos[0]));
+  static_assert ((sizeof (info[0]) == sizeof (pos[0])), "");
   if (unlikely (_hb_unsigned_int_mul_overflows (new_allocated, sizeof (info[0]))))
     goto done;
 
diff --git a/src/hb-cache-private.hh b/src/hb-cache-private.hh
index 24957e1e9..91955b709 100644
--- a/src/hb-cache-private.hh
+++ b/src/hb-cache-private.hh
@@ -35,8 +35,8 @@
 template <unsigned int key_bits, unsigned int value_bits, unsigned int cache_bits>
 struct hb_cache_t
 {
-  ASSERT_STATIC (key_bits >= cache_bits);
-  ASSERT_STATIC (key_bits + value_bits - cache_bits < 8 * sizeof (unsigned int));
+  static_assert ((key_bits >= cache_bits), "");
+  static_assert ((key_bits + value_bits - cache_bits < 8 * sizeof (unsigned int)), "");
 
   inline void clear (void)
   {
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 22661407d..56979391d 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -678,7 +678,7 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
 	      CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &active_features[j].rec.feature),
 	      CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &active_features[j].rec.setting)
 	    };
-	    ASSERT_STATIC (ARRAY_LENGTH (keys) == ARRAY_LENGTH (values));
+	    static_assert ((ARRAY_LENGTH (keys) == ARRAY_LENGTH (values)), "");
 	    CFDictionaryRef dict = CFDictionaryCreate (kCFAllocatorDefault,
 						       (const void **) keys,
 						       (const void **) values,
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index d90d68c59..9cd482adb 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -85,7 +85,7 @@ static inline Type& StructAfter(TObject &X)
 #define _DEFINE_INSTANCE_ASSERTION1(_line, _assertion) \
   inline void _instance_assertion_on_line_##_line (void) const \
   { \
-    ASSERT_STATIC (_assertion); \
+    static_assert ((_assertion), ""); \
     ASSERT_INSTANCE_POD (*this); /* Make sure it's POD. */ \
   }
 # define _DEFINE_INSTANCE_ASSERTION0(_line, _assertion) _DEFINE_INSTANCE_ASSERTION1 (_line, _assertion)
@@ -136,7 +136,7 @@ static const void *_NullPool[(256+8) / sizeof (void *)];
 /* Generic nul-content Null objects. */
 template <typename Type>
 static inline const Type& Null (void) {
-  ASSERT_STATIC (sizeof (Type) <= sizeof (_NullPool));
+  static_assert ((sizeof (Type) <= sizeof (_NullPool)), "");
   return *CastP<Type> (_NullPool);
 }
 
@@ -147,7 +147,7 @@ template <> \
 /*static*/ inline const Type& Null<Type> (void) { \
   return *CastP<Type> (_Null##Type); \
 } /* The following line really exists such that we end in a place needing semicolon */ \
-ASSERT_STATIC (Type::min_size + 1 <= sizeof (_Null##Type))
+static_assert (Type::min_size + 1 <= sizeof (_Null##Type), "Null pool too small.  Enlarge.")
 
 /* Accessor macro. */
 #define Null(Type) Null<Type>()
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 578d850c1..f22d990bc 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -690,7 +690,7 @@ struct CoverageFormat1
   inline unsigned int get_coverage (hb_codepoint_t glyph_id) const
   {
     int i = glyphArray.bsearch (glyph_id);
-    ASSERT_STATIC (((unsigned int) -1) == NOT_COVERED);
+    static_assert ((((unsigned int) -1) == NOT_COVERED), "");
     return i;
   }
 
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index 552df0fd8..99dda3a74 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -404,9 +404,9 @@ struct GDEF
   {
     unsigned int klass = get_glyph_class (glyph);
 
-    ASSERT_STATIC ((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH == (unsigned int) LookupFlag::IgnoreBaseGlyphs);
-    ASSERT_STATIC ((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE == (unsigned int) LookupFlag::IgnoreLigatures);
-    ASSERT_STATIC ((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_MARK == (unsigned int) LookupFlag::IgnoreMarks);
+    static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH == (unsigned int) LookupFlag::IgnoreBaseGlyphs), "");
+    static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE == (unsigned int) LookupFlag::IgnoreLigatures), "");
+    static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_MARK == (unsigned int) LookupFlag::IgnoreMarks), "");
 
     switch (klass) {
     default:			return 0;
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 977e58301..ecf45f195 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -321,7 +321,7 @@ hb_ot_layout_table_find_script (hb_face_t    *face,
 				hb_tag_t      script_tag,
 				unsigned int *script_index)
 {
-  ASSERT_STATIC (OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_SCRIPT_INDEX);
+  static_assert ((OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_SCRIPT_INDEX), "");
   const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
 
   if (g.find_script_index (script_tag, script_index))
@@ -352,7 +352,7 @@ hb_ot_layout_table_choose_script (hb_face_t      *face,
 				  unsigned int   *script_index,
 				  hb_tag_t       *chosen_script)
 {
-  ASSERT_STATIC (OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_SCRIPT_INDEX);
+  static_assert ((OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_SCRIPT_INDEX), "");
   const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
 
   while (*script_tags)
@@ -411,7 +411,7 @@ hb_ot_layout_table_find_feature (hb_face_t    *face,
 				 hb_tag_t      feature_tag,
 				 unsigned int *feature_index)
 {
-  ASSERT_STATIC (OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_FEATURE_INDEX);
+  static_assert ((OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_FEATURE_INDEX), "");
   const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
 
   unsigned int num_features = g.get_feature_count ();
@@ -448,7 +448,7 @@ hb_ot_layout_script_find_language (hb_face_t    *face,
 				   hb_tag_t      language_tag,
 				   unsigned int *language_index)
 {
-  ASSERT_STATIC (OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX);
+  static_assert ((OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX), "");
   const OT::Script &s = get_gsubgpos_table (face, table_tag).get_script (script_index);
 
   if (s.find_lang_sys_index (language_tag, language_index))
@@ -527,7 +527,7 @@ hb_ot_layout_language_get_feature_tags (hb_face_t    *face,
   const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
   const OT::LangSys &l = g.get_script (script_index).get_lang_sys (language_index);
 
-  ASSERT_STATIC (sizeof (unsigned int) == sizeof (hb_tag_t));
+  static_assert ((sizeof (unsigned int) == sizeof (hb_tag_t)), "");
   unsigned int ret = l.get_feature_indexes (start_offset, feature_count, (unsigned int *) feature_tags);
 
   if (feature_tags) {
@@ -548,7 +548,7 @@ hb_ot_layout_language_find_feature (hb_face_t    *face,
 				    hb_tag_t      feature_tag,
 				    unsigned int *feature_index)
 {
-  ASSERT_STATIC (OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_FEATURE_INDEX);
+  static_assert ((OT::Index::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_FEATURE_INDEX), "");
   const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
   const OT::LangSys &l = g.get_script (script_index).get_lang_sys (language_index);
 
@@ -859,7 +859,7 @@ hb_ot_layout_feature_with_variations_get_lookups (hb_face_t    *face,
 						  unsigned int *lookup_count /* IN/OUT */,
 						  unsigned int *lookup_indexes /* OUT */)
 {
-  ASSERT_STATIC (OT::FeatureVariations::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_VARIATIONS_INDEX);
+  static_assert ((OT::FeatureVariations::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_VARIATIONS_INDEX), "");
   const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
 
   const OT::Feature &f = g.get_feature_variation (feature_index, variations_index);
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 5764a1104..0922d7594 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -138,7 +138,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 			      const int    *coords,
 			      unsigned int  num_coords)
 {
-  ASSERT_STATIC (!(HB_GLYPH_FLAG_DEFINED & (HB_GLYPH_FLAG_DEFINED + 1)));
+  static_assert ((!(HB_GLYPH_FLAG_DEFINED & (HB_GLYPH_FLAG_DEFINED + 1))), "");
   unsigned int global_bit_mask = HB_GLYPH_FLAG_DEFINED + 1;
   unsigned int global_bit_shift = _hb_popcount32 (HB_GLYPH_FLAG_DEFINED);
 
diff --git a/src/hb-ot-math-table.hh b/src/hb-ot-math-table.hh
index 191d79e98..3607dbea3 100644
--- a/src/hb-ot-math-table.hh
+++ b/src/hb-ot-math-table.hh
@@ -463,8 +463,8 @@ struct MathGlyphPartRecord
     out.end_connector_length	= font->em_scale (endConnectorLength, scale);
     out.full_advance		= font->em_scale (fullAdvance, scale);
 
-    ASSERT_STATIC ((unsigned int) HB_MATH_GLYPH_PART_FLAG_EXTENDER ==
-		   (unsigned int) PartFlags::Extender);
+    static_assert ((unsigned int) HB_MATH_GLYPH_PART_FLAG_EXTENDER ==
+		   (unsigned int) PartFlags::Extender, "");
 
     out.flags = (hb_ot_math_glyph_part_flags_t)
 		(unsigned int)
diff --git a/src/hb-ot-shape-complex-arabic-fallback.hh b/src/hb-ot-shape-complex-arabic-fallback.hh
index d97d28521..92f6cdf15 100644
--- a/src/hb-ot-shape-complex-arabic-fallback.hh
+++ b/src/hb-ot-shape-complex-arabic-fallback.hh
@@ -237,8 +237,8 @@ arabic_fallback_plan_init_win1256 (arabic_fallback_plan_t *fallback_plan,
     return false;
 
   const Manifest &manifest = reinterpret_cast<const Manifest&> (arabic_win1256_gsub_lookups.manifest);
-  ASSERT_STATIC (sizeof (arabic_win1256_gsub_lookups.manifestData) / sizeof (ManifestLookup)
-		 <= ARABIC_FALLBACK_MAX_LOOKUPS);
+  static_assert (sizeof (arabic_win1256_gsub_lookups.manifestData) / sizeof (ManifestLookup)
+		 <= ARABIC_FALLBACK_MAX_LOOKUPS, "");
   /* TODO sanitize the table? */
 
   unsigned j = 0;
@@ -271,7 +271,7 @@ arabic_fallback_plan_init_unicode (arabic_fallback_plan_t *fallback_plan,
 				   const hb_ot_shape_plan_t *plan,
 				   hb_font_t *font)
 {
-  ASSERT_STATIC (ARRAY_LENGTH_CONST(arabic_fallback_features) <= ARABIC_FALLBACK_MAX_LOOKUPS);
+  static_assert ((ARRAY_LENGTH_CONST(arabic_fallback_features) <= ARABIC_FALLBACK_MAX_LOOKUPS), "");
   unsigned int j = 0;
   for (unsigned int i = 0; i < ARRAY_LENGTH(arabic_fallback_features) ; i++)
   {
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 051db22fc..c98502641 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -198,7 +198,7 @@ set_indic_properties (hb_glyph_info_t &info)
 				      0x1CEEu, 0x1CF1u)))
   {
     cat = OT_Symbol;
-    ASSERT_STATIC ((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol);
+    static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
   }
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
 		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index ac3a24867..4bfbfb875 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -292,7 +292,7 @@ setup_topographical_masks (const hb_ot_shape_plan_t *plan,
   if (use_plan->arabic_plan)
     return;
 
-  ASSERT_STATIC (INIT < 4 && ISOL < 4 && MEDI < 4 && FINA < 4);
+  static_assert ((INIT < 4 && ISOL < 4 && MEDI < 4 && FINA < 4), "");
   hb_mask_t masks[4], all_masks = 0;
   for (unsigned int i = 0; i < 4; i++)
   {
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 493a8146b..282c9fe51 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -100,7 +100,7 @@ private:
 #define _PASTE1(a,b) a##b
 #define _PASTE(a,b) _PASTE1(a,b)
 #define static_assert(e, msg) \
-	HB_UNUSED typedef char _PASTE(assertion_failed_at_line_, __LINE__) [(e) ? 1 : -1]
+	HB_UNUSED typedef int _PASTE(static_assertion_failed_at_line_, __LINE__) [(e) ? 1 : -1]
 #endif // static_assert
 
 #endif // __cplusplus < 201103L
@@ -267,10 +267,6 @@ static inline unsigned int ARRAY_LENGTH (const Type (&)[n]) { return n; }
 #define HB_STMT_START do
 #define HB_STMT_END   while (0)
 
-#define _ASSERT_STATIC1(_line, _cond)	HB_UNUSED typedef int _static_assert_on_line_##_line##_failed[(_cond)?1:-1]
-#define _ASSERT_STATIC0(_line, _cond)	_ASSERT_STATIC1 (_line, (_cond))
-#define ASSERT_STATIC(_cond)		_ASSERT_STATIC0 (__LINE__, (_cond))
-
 template <unsigned int cond> class hb_assert_constant_t;
 template <> class hb_assert_constant_t<1> {};
 
@@ -278,19 +274,19 @@ template <> class hb_assert_constant_t<1> {};
 
 /* Lets assert int types.  Saves trouble down the road. */
 
-ASSERT_STATIC (sizeof (int8_t) == 1);
-ASSERT_STATIC (sizeof (uint8_t) == 1);
-ASSERT_STATIC (sizeof (int16_t) == 2);
-ASSERT_STATIC (sizeof (uint16_t) == 2);
-ASSERT_STATIC (sizeof (int32_t) == 4);
-ASSERT_STATIC (sizeof (uint32_t) == 4);
-ASSERT_STATIC (sizeof (int64_t) == 8);
-ASSERT_STATIC (sizeof (uint64_t) == 8);
+static_assert ((sizeof (int8_t) == 1), "");
+static_assert ((sizeof (uint8_t) == 1), "");
+static_assert ((sizeof (int16_t) == 2), "");
+static_assert ((sizeof (uint16_t) == 2), "");
+static_assert ((sizeof (int32_t) == 4), "");
+static_assert ((sizeof (uint32_t) == 4), "");
+static_assert ((sizeof (int64_t) == 8), "");
+static_assert ((sizeof (uint64_t) == 8), "");
 
-ASSERT_STATIC (sizeof (hb_codepoint_t) == 4);
-ASSERT_STATIC (sizeof (hb_position_t) == 4);
-ASSERT_STATIC (sizeof (hb_mask_t) == 4);
-ASSERT_STATIC (sizeof (hb_var_int_t) == 4);
+static_assert ((sizeof (hb_codepoint_t) == 4), "");
+static_assert ((sizeof (hb_position_t) == 4), "");
+static_assert ((sizeof (hb_mask_t) == 4), "");
+static_assert ((sizeof (hb_var_int_t) == 4), "");
 
 
 /* We like our types POD */
@@ -912,7 +908,7 @@ hb_in_range (T u, T lo, T hi)
    * one right now.  Declaring a variable won't work as HB_UNUSED
    * is unusable on some platforms and unused types are less likely
    * to generate a warning than unused variables. */
-  ASSERT_STATIC (sizeof (hb_assert_unsigned_t<T>) >= 0);
+  static_assert ((sizeof (hb_assert_unsigned_t<T>) >= 0), "");
 
   /* The casts below are important as if T is smaller than int,
    * the subtract results will become a signed int! */
@@ -1027,7 +1023,7 @@ union hb_options_union_t {
   unsigned int i;
   hb_options_t opts;
 };
-ASSERT_STATIC (sizeof (int) == sizeof (hb_options_union_t));
+static_assert ((sizeof (int) == sizeof (hb_options_union_t)), "");
 
 HB_INTERNAL void
 _hb_options_init (void);
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index e2010d762..8cd02fbcb 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -62,8 +62,8 @@ struct hb_set_digest_lowest_bits_t
 				     + (mask_bytes >= 16? 1 : 0)
 				     + 0;
 
-  ASSERT_STATIC (shift < sizeof (hb_codepoint_t) * 8);
-  ASSERT_STATIC (shift + num_bits <= sizeof (hb_codepoint_t) * 8);
+  static_assert ((shift < sizeof (hb_codepoint_t) * 8), "");
+  static_assert ((shift + num_bits <= sizeof (hb_codepoint_t) * 8), "");
 
   inline void init (void) {
     mask = 0;
@@ -341,8 +341,8 @@ struct hb_set_t
 
   elt_t elts[ELTS]; /* XXX 8kb */
 
-  ASSERT_STATIC (sizeof (elt_t) * 8 == BITS);
-  ASSERT_STATIC (sizeof (elt_t) * 8 * ELTS > MAX_G);
+  static_assert ((sizeof (elt_t) * 8 == BITS), "");
+  static_assert ((sizeof (elt_t) * 8 * ELTS > MAX_G), "");
 };
 
 struct hb_frozen_set_t
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index d25accd56..85991069d 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -316,7 +316,7 @@ _hb_generate_unique_face_name (wchar_t *face_name, unsigned int *plen)
   const char *enc = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-";
   UUID id;
   UuidCreate ((UUID*) &id);
-  ASSERT_STATIC (2 + 3 * (16/2) < LF_FACESIZE);
+  static_assert ((2 + 3 * (16/2) < LF_FACESIZE), "");
   unsigned int name_str_len = 0;
   face_name[name_str_len++] = 'F';
   face_name[name_str_len++] = '_';
diff --git a/util/options.cc b/util/options.cc
index 3aa6834dd..5b0fb14fe 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -486,7 +486,8 @@ font_options_t::add_options (option_parser_t *parser)
   char *text = NULL;
 
   {
-    ASSERT_STATIC (ARRAY_LENGTH_CONST (supported_font_funcs) > 0);
+    static_assert ((ARRAY_LENGTH_CONST (supported_font_funcs) > 0),
+		   "No supported font-funcs found.");
     GString *s = g_string_new (NULL);
     g_string_printf (s, "Set font functions implementation to use (default: %s)\n\n    Supported font function implementations are: %s",
 		     supported_font_funcs[0].name,

From fbb937b6807597c9ae002280c6a6278a97b701f3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 12:04:16 +0200
Subject: [PATCH 0470/1326] Don't use NULL in public headers

---
 src/hb-buffer.h | 4 ++--
 src/hb-common.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 42564bb19..a8a4b84e9 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -132,8 +132,8 @@ typedef struct hb_segment_properties_t {
 #define HB_SEGMENT_PROPERTIES_DEFAULT {HB_DIRECTION_INVALID, \
 				       HB_SCRIPT_INVALID, \
 				       HB_LANGUAGE_INVALID, \
-				       NULL, \
-				       NULL}
+				       (void *) 0, \
+				       (void *) 0}
 
 HB_EXTERN hb_bool_t
 hb_segment_properties_equal (const hb_segment_properties_t *a,
diff --git a/src/hb-common.h b/src/hb-common.h
index 614a63aa6..26200ce12 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -134,7 +134,7 @@ hb_language_from_string (const char *str, int len);
 HB_EXTERN const char *
 hb_language_to_string (hb_language_t language);
 
-#define HB_LANGUAGE_INVALID ((hb_language_t) NULL)
+#define HB_LANGUAGE_INVALID ((hb_language_t) 0)
 
 HB_EXTERN hb_language_t
 hb_language_get_default (void);

From dbdbfe3d7b36613d893832dcb1884c756c20bfda Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 12:11:08 +0200
Subject: [PATCH 0471/1326] Use nullptr instead of NULL

---
 src/hb-blob.cc                             |  12 +--
 src/hb-buffer-serialize.cc                 |  16 +--
 src/hb-buffer.cc                           |  10 +-
 src/hb-common.cc                           |  18 ++--
 src/hb-coretext.cc                         |  66 ++++++-------
 src/hb-directwrite.cc                      |  28 +++---
 src/hb-face.cc                             |  10 +-
 src/hb-font.cc                             |  32 +++---
 src/hb-ft.cc                               |  56 +++++------
 src/hb-glib.cc                             |   2 +-
 src/hb-gobject-structs.cc                  |   2 +-
 src/hb-graphite2.cc                        |  26 ++---
 src/hb-icu.cc                              |   4 +-
 src/hb-mutex-private.hh                    |   2 +-
 src/hb-object-private.hh                   |   2 +-
 src/hb-open-type-private.hh                |  32 +++---
 src/hb-ot-cbdt-table.hh                    |   4 +-
 src/hb-ot-cmap-table.hh                    |   2 +-
 src/hb-ot-font.cc                          |  42 ++++----
 src/hb-ot-layout-common-private.hh         |  14 +--
 src/hb-ot-layout-gsub-table.hh             |   2 +-
 src/hb-ot-layout-gsubgpos-private.hh       |  54 +++++-----
 src/hb-ot-layout-jstf-table.hh             |   4 +-
 src/hb-ot-layout.cc                        |  30 +++---
 src/hb-ot-map-private.hh                   |   6 +-
 src/hb-ot-map.cc                           |   4 +-
 src/hb-ot-math-table.hh                    |   8 +-
 src/hb-ot-shape-complex-arabic-fallback.hh |   8 +-
 src/hb-ot-shape-complex-arabic.cc          |  32 +++---
 src/hb-ot-shape-complex-default.cc         |  22 ++---
 src/hb-ot-shape-complex-hangul.cc          |  12 +--
 src/hb-ot-shape-complex-hebrew.cc          |  18 ++--
 src/hb-ot-shape-complex-indic.cc           |  12 +--
 src/hb-ot-shape-complex-myanmar.cc         |  40 ++++----
 src/hb-ot-shape-complex-private.hh         |  26 ++---
 src/hb-ot-shape-complex-thai.cc            |  22 ++---
 src/hb-ot-shape-complex-tibetan.cc         |  20 ++--
 src/hb-ot-shape-complex-use.cc             |  16 +--
 src/hb-ot-shape-private.hh                 |   2 +-
 src/hb-ot-shape.cc                         |   8 +-
 src/hb-ot-tag.cc                           |   2 +-
 src/hb-ot-var.cc                           |   2 +-
 src/hb-private.hh                          |  37 +++----
 src/hb-set-private.hh                      |   2 +-
 src/hb-shape-plan.cc                       |  24 ++---
 src/hb-shape.cc                            |   8 +-
 src/hb-shaper-private.hh                   |   6 +-
 src/hb-shaper.cc                           |   6 +-
 src/hb-ucdn.cc                             |   2 +-
 src/hb-unicode.cc                          |   4 +-
 src/hb-uniscribe.cc                        |  50 +++++-----
 src/main.cc                                |   4 +-
 src/test-buffer-serialize.cc               |   8 +-
 src/test-size-params.cc                    |   6 +-
 src/test-would-substitute.cc               |   8 +-
 src/test.cc                                |  12 +--
 util/ansi-print.cc                         |   2 +-
 util/hb-fc.cc                              |   6 +-
 util/hb-ot-shape-closure.cc                |  10 +-
 util/hb-shape.cc                           |  14 +--
 util/helper-cairo.cc                       |  12 +--
 util/main-font-text.hh                     |   4 +-
 util/options.cc                            | 110 ++++++++++-----------
 util/options.hh                            |  56 +++++------
 util/shape-consumer.hh                     |  10 +-
 65 files changed, 563 insertions(+), 568 deletions(-)

diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index 41e99da0d..e390d7520 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -72,8 +72,8 @@ _hb_blob_destroy_user_data (hb_blob_t *blob)
 {
   if (blob->destroy) {
     blob->destroy (blob->user_data);
-    blob->user_data = NULL;
-    blob->destroy = NULL;
+    blob->user_data = nullptr;
+    blob->destroy = nullptr;
   }
 }
 
@@ -194,12 +194,12 @@ hb_blob_get_empty (void)
 
     true, /* immutable */
 
-    NULL, /* data */
+    nullptr, /* data */
     0, /* length */
     HB_MEMORY_MODE_READONLY, /* mode */
 
-    NULL, /* user_data */
-    NULL  /* destroy */
+    nullptr, /* user_data */
+    nullptr  /* destroy */
   };
 
   return const_cast<hb_blob_t *> (&_hb_blob_nil);
@@ -379,7 +379,7 @@ hb_blob_get_data_writable (hb_blob_t *blob, unsigned int *length)
     if (length)
       *length = 0;
 
-    return NULL;
+    return nullptr;
   }
 
   if (length)
diff --git a/src/hb-buffer-serialize.cc b/src/hb-buffer-serialize.cc
index 517d746ef..ea62e9ffd 100644
--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@@ -30,7 +30,7 @@
 static const char *serialize_formats[] = {
   "text",
   "json",
-  NULL
+  nullptr
 };
 
 /**
@@ -90,7 +90,7 @@ hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format)
     case HB_BUFFER_SERIALIZE_FORMAT_TEXT:	return serialize_formats[0];
     case HB_BUFFER_SERIALIZE_FORMAT_JSON:	return serialize_formats[1];
     default:
-    case HB_BUFFER_SERIALIZE_FORMAT_INVALID:	return NULL;
+    case HB_BUFFER_SERIALIZE_FORMAT_INVALID:	return nullptr;
   }
 }
 
@@ -104,9 +104,9 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
 				  hb_font_t *font,
 				  hb_buffer_serialize_flags_t flags)
 {
-  hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
+  hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr);
   hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ?
-			     NULL : hb_buffer_get_glyph_positions (buffer, NULL);
+			     nullptr : hb_buffer_get_glyph_positions (buffer, nullptr);
 
   *buf_consumed = 0;
   for (unsigned int i = start; i < end; i++)
@@ -194,9 +194,9 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
 				  hb_font_t *font,
 				  hb_buffer_serialize_flags_t flags)
 {
-  hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
+  hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr);
   hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ?
-			     NULL : hb_buffer_get_glyph_positions (buffer, NULL);
+			     nullptr : hb_buffer_get_glyph_positions (buffer, nullptr);
 
   *buf_consumed = 0;
   for (unsigned int i = start; i < end; i++)
@@ -422,8 +422,8 @@ hb_bool_t
 hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
 			      const char *buf,
 			      int buf_len, /* -1 means nul-terminated */
-			      const char **end_ptr, /* May be NULL */
-			      hb_font_t *font, /* May be NULL */
+			      const char **end_ptr, /* May be nullptr */
+			      hb_font_t *font, /* May be nullptr */
 			      hb_buffer_serialize_format_t format)
 {
   const char *end;
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 25b798b58..73b3e4bd5 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -120,8 +120,8 @@ hb_buffer_t::enlarge (unsigned int size)
   }
 
   unsigned int new_allocated = allocated;
-  hb_glyph_position_t *new_pos = NULL;
-  hb_glyph_info_t *new_info = NULL;
+  hb_glyph_position_t *new_pos = nullptr;
+  hb_glyph_info_t *new_info = nullptr;
   bool separate_out = out_info != info;
 
   if (unlikely (_hb_unsigned_int_mul_overflows (size, sizeof (info[0]))))
@@ -1993,9 +1993,9 @@ hb_buffer_set_message_func (hb_buffer_t *buffer,
     buffer->message_data = user_data;
     buffer->message_destroy = destroy;
   } else {
-    buffer->message_func = NULL;
-    buffer->message_data = NULL;
-    buffer->message_destroy = NULL;
+    buffer->message_func = nullptr;
+    buffer->message_data = nullptr;
+    buffer->message_destroy = nullptr;
   }
 }
 
diff --git a/src/hb-common.cc b/src/hb-common.cc
index 8e8e55653..2f9b3b853 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -274,13 +274,13 @@ retry:
   /* Not found; allocate one. */
   hb_language_item_t *lang = (hb_language_item_t *) calloc (1, sizeof (hb_language_item_t));
   if (unlikely (!lang))
-    return NULL;
+    return nullptr;
   lang->next = first_lang;
   *lang = key;
   if (unlikely (!lang->lang))
   {
     free (lang);
-    return NULL;
+    return nullptr;
   }
 
   if (!hb_atomic_ptr_cmpexch (&langs, first_lang, lang)) {
@@ -318,7 +318,7 @@ hb_language_from_string (const char *str, int len)
   if (!str || !len || !*str)
     return HB_LANGUAGE_INVALID;
 
-  hb_language_item_t *item = NULL;
+  hb_language_item_t *item = nullptr;
   if (len >= 0)
   {
     /* NUL-terminate it. */
@@ -349,7 +349,7 @@ hb_language_from_string (const char *str, int len)
 const char *
 hb_language_to_string (hb_language_t language)
 {
-  /* This is actually NULL-safe! */
+  /* This is actually nullptr-safe! */
   return language->s;
 }
 
@@ -369,7 +369,7 @@ hb_language_get_default (void)
 
   hb_language_t language = (hb_language_t) hb_atomic_ptr_get (&default_language);
   if (unlikely (language == HB_LANGUAGE_INVALID)) {
-    language = hb_language_from_string (setlocale (LC_CTYPE, NULL), -1);
+    language = hb_language_from_string (setlocale (LC_CTYPE, nullptr), -1);
     (void) hb_atomic_ptr_cmpexch (&default_language, HB_LANGUAGE_INVALID, language);
   }
 
@@ -562,9 +562,9 @@ hb_user_data_array_t::set (hb_user_data_key_t *key,
 void *
 hb_user_data_array_t::get (hb_user_data_key_t *key)
 {
-  hb_user_data_item_t item = {NULL, NULL, NULL};
+  hb_user_data_item_t item = {nullptr, nullptr, nullptr};
 
-  return items.find (key, &item, lock) ? item.data : NULL;
+  return items.find (key, &item, lock) ? item.data : nullptr;
 }
 
 
@@ -722,9 +722,9 @@ retry:
 
   if (unlikely (!C))
   {
-    C = newlocale (LC_ALL_MASK, "C", NULL);
+    C = newlocale (LC_ALL_MASK, "C", nullptr);
 
-    if (!hb_atomic_ptr_cmpexch (&C_locale, NULL, C))
+    if (!hb_atomic_ptr_cmpexch (&C_locale, nullptr, C))
     {
       freelocale (C_locale);
       goto retry;
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 56979391d..ca5483334 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -65,12 +65,12 @@ reference_table  (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
   CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
   CFDataRef cf_data = CGFontCopyTableForTag (cg_font, tag);
   if (unlikely (!cf_data))
-    return NULL;
+    return nullptr;
 
   const char *data = reinterpret_cast<const char*> (CFDataGetBytePtr (cf_data));
   const size_t length = CFDataGetLength (cf_data);
   if (!data || !length)
-    return NULL;
+    return nullptr;
 
   return hb_blob_create (data, length, HB_MEMORY_MODE_READONLY,
 			 reinterpret_cast<void *> (const_cast<__CFData *> (cf_data)),
@@ -125,7 +125,7 @@ static void
 release_data (void *info, const void *data, size_t size)
 {
   assert (hb_blob_get_length ((hb_blob_t *) info) == size &&
-          hb_blob_get_data ((hb_blob_t *) info, NULL) == data);
+          hb_blob_get_data ((hb_blob_t *) info, nullptr) == data);
 
   hb_blob_destroy ((hb_blob_t *) info);
 }
@@ -133,7 +133,7 @@ release_data (void *info, const void *data, size_t size)
 static CGFontRef
 create_cg_font (hb_face_t *face)
 {
-  CGFontRef cg_font = NULL;
+  CGFontRef cg_font = nullptr;
   if (face->destroy == _hb_cg_font_release)
   {
     cg_font = CGFontRetain ((CGFontRef) face->user_data);
@@ -161,7 +161,7 @@ create_cg_font (hb_face_t *face)
 static CTFontRef
 create_ct_font (CGFontRef cg_font, CGFloat font_size)
 {
-  CTFontRef ct_font = NULL;
+  CTFontRef ct_font = nullptr;
 
   /* CoreText does not enable trak table usage / tracking when creating a CTFont
    * using CTFontCreateWithGraphicsFont. The only way of enabling tracking seems
@@ -174,23 +174,23 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
     if (CFStringHasSuffix (cg_postscript_name, CFSTR ("-Bold")))
       font_type = kCTFontUIFontEmphasizedSystem;
 
-    ct_font = CTFontCreateUIFontForLanguage (font_type, font_size, NULL);
+    ct_font = CTFontCreateUIFontForLanguage (font_type, font_size, nullptr);
     CFStringRef ct_result_name = CTFontCopyPostScriptName(ct_font);
     if (CFStringCompare (ct_result_name, cg_postscript_name, 0) != kCFCompareEqualTo)
     {
       CFRelease(ct_font);
-      ct_font = NULL;
+      ct_font = nullptr;
     }
     CFRelease (ct_result_name);
   }
   CFRelease (cg_postscript_name);
 
   if (!ct_font)
-    ct_font = CTFontCreateWithGraphicsFont (cg_font, font_size, NULL, NULL);
+    ct_font = CTFontCreateWithGraphicsFont (cg_font, font_size, nullptr, nullptr);
 
   if (unlikely (!ct_font)) {
     DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont() failed");
-    return NULL;
+    return nullptr;
   }
 
   /* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
@@ -200,7 +200,7 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
    * reconfiguring the cascade list causes CoreText crashes. For details, see
    * crbug.com/549610 */
   // 0x00070000 stands for "kCTVersionNumber10_10", see CoreText.h
-  if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() < 0x00070000) {
+  if (&CTGetCoreTextVersion != nullptr && CTGetCoreTextVersion() < 0x00070000) {
     CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
     bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
     CFRelease (fontName);
@@ -214,7 +214,7 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
    * font fallback which we don't need anyway. */
   {
     CTFontDescriptorRef last_resort_font_desc = get_last_resort_font_desc ();
-    CTFontRef new_ct_font = CTFontCreateCopyWithAttributes (ct_font, 0.0, NULL, last_resort_font_desc);
+    CTFontRef new_ct_font = CTFontCreateCopyWithAttributes (ct_font, 0.0, nullptr, last_resort_font_desc);
     CFRelease (last_resort_font_desc);
     if (new_ct_font)
     {
@@ -257,7 +257,7 @@ _hb_coretext_shaper_face_data_create (hb_face_t *face)
   if (unlikely (!cg_font))
   {
     DEBUG_MSG (CORETEXT, face, "CGFont creation failed..");
-    return NULL;
+    return nullptr;
   }
 
   return (hb_coretext_shaper_face_data_t *) cg_font;
@@ -275,7 +275,7 @@ _hb_coretext_shaper_face_data_destroy (hb_coretext_shaper_face_data_t *data)
 CGFontRef
 hb_coretext_face_get_cg_font (hb_face_t *face)
 {
-  if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
+  if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return nullptr;
   return (CGFontRef) HB_SHAPER_DATA_GET (face);
 }
 
@@ -288,7 +288,7 @@ hb_coretext_shaper_font_data_t *
 _hb_coretext_shaper_font_data_create (hb_font_t *font)
 {
   hb_face_t *face = font->face;
-  if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
+  if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return nullptr;
   CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face);
 
   CTFontRef ct_font = create_ct_font (cg_font, coretext_font_size (font->ptem));
@@ -296,7 +296,7 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
   if (unlikely (!ct_font))
   {
     DEBUG_MSG (CORETEXT, font, "CGFont creation failed..");
-    return NULL;
+    return nullptr;
   }
 
   return (hb_coretext_shaper_font_data_t *) ct_font;
@@ -333,7 +333,7 @@ _hb_coretext_shaper_shape_plan_data_destroy (hb_coretext_shaper_shape_plan_data_
 CTFontRef
 hb_coretext_font_get_ct_font (hb_font_t *font)
 {
-  if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return NULL;
+  if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return nullptr;
   return (CTFontRef)HB_SHAPER_DATA_GET (font);
 }
 
@@ -704,12 +704,12 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
 	  CTFontDescriptorRef font_desc = CTFontDescriptorCreateWithAttributes (attributes);
 	  CFRelease (attributes);
 
-	  range->font = CTFontCreateCopyWithAttributes (ct_font, 0.0, NULL, font_desc);
+	  range->font = CTFontCreateCopyWithAttributes (ct_font, 0.0, nullptr, font_desc);
 	  CFRelease (font_desc);
 	}
 	else
 	{
-	  range->font = NULL;
+	  range->font = nullptr;
 	}
 
 	range->index_first = last_index;
@@ -779,14 +779,14 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
 
 #define FAIL(...) \
   HB_STMT_START { \
-    DEBUG_MSG (CORETEXT, NULL, __VA_ARGS__); \
+    DEBUG_MSG (CORETEXT, nullptr, __VA_ARGS__); \
     ret = false; \
     goto fail; \
   } HB_STMT_END;
 
   bool ret = true;
-  CFStringRef string_ref = NULL;
-  CTLineRef line = NULL;
+  CFStringRef string_ref = nullptr;
+  CTLineRef line = nullptr;
 
   if (0)
   {
@@ -798,8 +798,8 @@ resize_and_retry:
     assert (line);
     CFRelease (string_ref);
     CFRelease (line);
-    string_ref = NULL;
-    line = NULL;
+    string_ref = nullptr;
+    line = nullptr;
 
     /* Get previous start-of-scratch-area, that we use later for readjusting
      * our existing scratch arrays. */
@@ -820,7 +820,7 @@ resize_and_retry:
     scratch_size -= old_scratch_used;
   }
   {
-    string_ref = CFStringCreateWithCharactersNoCopy (NULL,
+    string_ref = CFStringCreateWithCharactersNoCopy (nullptr,
 						     pchars, chars_len,
 						     kCFAllocatorNull);
     if (unlikely (!string_ref))
@@ -937,7 +937,7 @@ resize_and_retry:
 
     CFArrayRef glyph_runs = CTLineGetGlyphRuns (line);
     unsigned int num_runs = CFArrayGetCount (glyph_runs);
-    DEBUG_MSG (CORETEXT, NULL, "Num runs: %d", num_runs);
+    DEBUG_MSG (CORETEXT, nullptr, "Num runs: %d", num_runs);
 
     buffer->len = 0;
     uint32_t status_and = ~0, status_or = 0;
@@ -963,7 +963,7 @@ resize_and_retry:
       status_or  |= run_status;
       status_and &= run_status;
       DEBUG_MSG (CORETEXT, run, "CTRunStatus: %x", run_status);
-      double run_advance = CTRunGetTypographicBounds (run, range_all, NULL, NULL, NULL);
+      double run_advance = CTRunGetTypographicBounds (run, range_all, nullptr, nullptr, nullptr);
       if (HB_DIRECTION_IS_VERTICAL (buffer->props.direction))
 	  run_advance = -run_advance;
       DEBUG_MSG (CORETEXT, run, "Run advance: %g", run_advance);
@@ -1089,7 +1089,7 @@ resize_and_retry:
 
       /* Testing used to indicate that CTRunGetGlyphsPtr, etc (almost?) always
        * succeed, and so copying data to our own buffer will be rare.  Reports
-       * have it that this changed in OS X 10.10 Yosemite, and NULL is returned
+       * have it that this changed in OS X 10.10 Yosemite, and nullptr is returned
        * frequently.  At any rate, we can test that codepath by setting USE_PTR
        * to false. */
 
@@ -1105,13 +1105,13 @@ resize_and_retry:
 
       { /* Setup glyphs */
         SCRATCH_SAVE();
-	const CGGlyph* glyphs = USE_PTR ? CTRunGetGlyphsPtr (run) : NULL;
+	const CGGlyph* glyphs = USE_PTR ? CTRunGetGlyphsPtr (run) : nullptr;
 	if (!glyphs) {
 	  ALLOCATE_ARRAY (CGGlyph, glyph_buf, num_glyphs, goto resize_and_retry);
 	  CTRunGetGlyphs (run, range_all, glyph_buf);
 	  glyphs = glyph_buf;
 	}
-	const CFIndex* string_indices = USE_PTR ? CTRunGetStringIndicesPtr (run) : NULL;
+	const CFIndex* string_indices = USE_PTR ? CTRunGetStringIndicesPtr (run) : nullptr;
 	if (!string_indices) {
 	  ALLOCATE_ARRAY (CFIndex, index_buf, num_glyphs, goto resize_and_retry);
 	  CTRunGetStringIndices (run, range_all, index_buf);
@@ -1133,7 +1133,7 @@ resize_and_retry:
 	 * advance (in the advance direction only), and for last glyph we set
 	 * whatever is needed to make the whole run's advance add up. */
         SCRATCH_SAVE();
-	const CGPoint* positions = USE_PTR ? CTRunGetPositionsPtr (run) : NULL;
+	const CGPoint* positions = USE_PTR ? CTRunGetPositionsPtr (run) : nullptr;
 	if (!positions) {
 	  ALLOCATE_ARRAY (CGPoint, position_buf, num_glyphs, goto resize_and_retry);
 	  CTRunGetPositions (run, range_all, position_buf);
@@ -1300,12 +1300,12 @@ _hb_coretext_aat_shaper_face_data_create (hb_face_t *face)
     if (hb_blob_get_length (blob))
     {
       hb_blob_destroy (blob);
-      return hb_coretext_shaper_face_data_ensure (face) ? (hb_coretext_aat_shaper_face_data_t *) HB_SHAPER_DATA_SUCCEEDED : NULL;
+      return hb_coretext_shaper_face_data_ensure (face) ? (hb_coretext_aat_shaper_face_data_t *) HB_SHAPER_DATA_SUCCEEDED : nullptr;
     }
     hb_blob_destroy (blob);
   }
 
-  return NULL;
+  return nullptr;
 }
 
 void
@@ -1323,7 +1323,7 @@ struct hb_coretext_aat_shaper_font_data_t {};
 hb_coretext_aat_shaper_font_data_t *
 _hb_coretext_aat_shaper_font_data_create (hb_font_t *font)
 {
-  return hb_coretext_shaper_font_data_ensure (font) ? (hb_coretext_aat_shaper_font_data_t *) HB_SHAPER_DATA_SUCCEEDED : NULL;
+  return hb_coretext_shaper_font_data_ensure (font) ? (hb_coretext_aat_shaper_font_data_t *) HB_SHAPER_DATA_SUCCEEDED : nullptr;
 }
 
 void
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 14df8221b..a6693ef3a 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -140,7 +140,7 @@ _hb_directwrite_shaper_face_data_create(hb_face_t *face)
   hb_directwrite_shaper_face_data_t *data =
     (hb_directwrite_shaper_face_data_t *) malloc (sizeof (hb_directwrite_shaper_face_data_t));
   if (unlikely (!data))
-    return NULL;
+    return nullptr;
 
   // TODO: factory and fontFileLoader should be cached separately
   IDWriteFactory* dwriteFactory;
@@ -153,7 +153,7 @@ _hb_directwrite_shaper_face_data_create(hb_face_t *face)
   HRESULT hr;
   hb_blob_t *blob = hb_face_reference_blob (face);
   IDWriteFontFileStream *fontFileStream = new DWriteFontFileStream (
-    (uint8_t*) hb_blob_get_data (blob, NULL), hb_blob_get_length (blob));
+    (uint8_t*) hb_blob_get_data (blob, nullptr), hb_blob_get_length (blob));
 
   IDWriteFontFileLoader *fontFileLoader = new DWriteFontFileLoader (fontFileStream);
   dwriteFactory->RegisterFontFileLoader (fontFileLoader);
@@ -165,7 +165,7 @@ _hb_directwrite_shaper_face_data_create(hb_face_t *face)
 
 #define FAIL(...) \
   HB_STMT_START { \
-    DEBUG_MSG (DIRECTWRITE, NULL, __VA_ARGS__); \
+    DEBUG_MSG (DIRECTWRITE, nullptr, __VA_ARGS__); \
     return false; \
   } HB_STMT_END;
 
@@ -233,12 +233,12 @@ struct hb_directwrite_shaper_font_data_t {
 hb_directwrite_shaper_font_data_t *
 _hb_directwrite_shaper_font_data_create (hb_font_t *font)
 {
-  if (unlikely (!hb_directwrite_shaper_face_data_ensure (font->face))) return NULL;
+  if (unlikely (!hb_directwrite_shaper_face_data_ensure (font->face))) return nullptr;
 
   hb_directwrite_shaper_font_data_t *data =
     (hb_directwrite_shaper_font_data_t *) malloc (sizeof (hb_directwrite_shaper_font_data_t));
   if (unlikely (!data))
-    return NULL;
+    return nullptr;
 
   return data;
 }
@@ -313,7 +313,7 @@ public:
     , mTextLength(textLength)
     , mLocaleName(localeName)
     , mReadingDirection(readingDirection)
-    , mCurrentRun(NULL) { };
+    , mCurrentRun(nullptr) { };
 
   ~TextAnalysis() {
     // delete runs, except mRunHead which is part of the TextAnalysis object
@@ -337,7 +337,7 @@ public:
     mRunHead.mTextLength = mTextLength;
     mRunHead.mBidiLevel =
       (mReadingDirection == DWRITE_READING_DIRECTION_RIGHT_TO_LEFT);
-    mRunHead.nextRun = NULL;
+    mRunHead.nextRun = nullptr;
     mCurrentRun = &mRunHead;
 
     // Call each of the analyzers in sequence, recording their results.
@@ -356,7 +356,7 @@ public:
   {
     if (textPosition >= mTextLength) {
       // No text at this position, valid query though.
-      *textString = NULL;
+      *textString = nullptr;
       *textLength = 0;
     }
     else {
@@ -373,7 +373,7 @@ public:
     if (textPosition == 0 || textPosition > mTextLength) {
       // Either there is no text before here (== 0), or this
       // is an invalid position. The query is considered valid thouh.
-      *textString = NULL;
+      *textString = nullptr;
       *textLength = 0;
     }
     else {
@@ -399,7 +399,7 @@ public:
     OUT IDWriteNumberSubstitution** numberSubstitution)
   {
     // We do not support number substitution.
-    *numberSubstitution = NULL;
+    *numberSubstitution = nullptr;
     *textLength = mTextLength - textPosition;
 
     return S_OK;
@@ -617,14 +617,14 @@ _hb_directwrite_shape_full(hb_shape_plan_t    *shape_plan,
   */
   uint32_t textLength = buffer->len;
 
-  TextAnalysis analysis(textString, textLength, NULL, readingDirection);
+  TextAnalysis analysis(textString, textLength, nullptr, readingDirection);
   TextAnalysis::Run *runHead;
   HRESULT hr;
   hr = analysis.GenerateResults(analyzer, &runHead);
 
 #define FAIL(...) \
   HB_STMT_START { \
-    DEBUG_MSG (DIRECTWRITE, NULL, __VA_ARGS__); \
+    DEBUG_MSG (DIRECTWRITE, nullptr, __VA_ARGS__); \
     return false; \
   } HB_STMT_END;
 
@@ -639,7 +639,7 @@ _hb_directwrite_shape_full(hb_shape_plan_t    *shape_plan,
   bool isRightToLeft = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
 
   const wchar_t localeName[20] = {0};
-  if (buffer->props.language != NULL)
+  if (buffer->props.language != nullptr)
   {
     mbstowcs ((wchar_t*) localeName,
       hb_language_to_string (buffer->props.language), 20);
@@ -672,7 +672,7 @@ retry_getglyphs:
     malloc (maxGlyphCount * sizeof (DWRITE_SHAPING_GLYPH_PROPERTIES));
 
   hr = analyzer->GetGlyphs (textString, textLength, fontFace, false,
-    isRightToLeft, &runHead->mScript, localeName, NULL, &dwFeatures,
+    isRightToLeft, &runHead->mScript, localeName, nullptr, &dwFeatures,
     featureRangeLengths, 1, maxGlyphCount, clusterMap, textProperties, glyphIndices,
     glyphProperties, &glyphCount);
 
diff --git a/src/hb-face.cc b/src/hb-face.cc
index e96c8acd3..26fddbe52 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -43,9 +43,9 @@ const hb_face_t _hb_face_nil = {
 
   true, /* immutable */
 
-  NULL, /* reference_table_func */
-  NULL, /* user_data */
-  NULL, /* destroy */
+  nullptr, /* reference_table_func */
+  nullptr, /* user_data */
+  nullptr, /* destroy */
 
   0,    /* index */
   1000, /* upem */
@@ -57,7 +57,7 @@ const hb_face_t _hb_face_nil = {
 #undef HB_SHAPER_IMPLEMENT
   },
 
-  NULL, /* shape_plans */
+  nullptr, /* shape_plans */
 };
 
 
@@ -109,7 +109,7 @@ _hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index)
 
   closure = (hb_face_for_data_closure_t *) calloc (1, sizeof (hb_face_for_data_closure_t));
   if (unlikely (!closure))
-    return NULL;
+    return nullptr;
 
   closure->blob = blob;
   closure->index = index;
diff --git a/src/hb-font.cc b/src/hb-font.cc
index 5673e66e3..c03917e14 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -347,12 +347,12 @@ static const hb_font_funcs_t _hb_font_funcs_nil = {
   true, /* immutable */
 
   {
-#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_FONT_FUNC_IMPLEMENT
   },
   {
-#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_FONT_FUNC_IMPLEMENT
   },
@@ -370,12 +370,12 @@ static const hb_font_funcs_t _hb_font_funcs_parent = {
   true, /* immutable */
 
   {
-#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_FONT_FUNC_IMPLEMENT
   },
   {
-#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_FONT_FUNC_IMPLEMENT
   },
@@ -563,8 +563,8 @@ hb_font_funcs_set_##name##_func (hb_font_funcs_t             *ffuncs,    \
     ffuncs->destroy.name = destroy;                                      \
   } else {                                                               \
     ffuncs->get.f.name = hb_font_get_##name##_parent;                    \
-    ffuncs->user_data.name = NULL;                                       \
-    ffuncs->destroy.name = NULL;                                         \
+    ffuncs->user_data.name = nullptr;                                       \
+    ffuncs->destroy.name = nullptr;                                         \
   }                                                                      \
 }
 
@@ -1161,7 +1161,7 @@ hb_font_create_sub_font (hb_font_t *parent)
 
   font->num_coords = parent->num_coords;
   if (!font->num_coords)
-    font->coords = NULL;
+    font->coords = nullptr;
   else
   {
     unsigned int size = parent->num_coords * sizeof (parent->coords[0]);
@@ -1192,7 +1192,7 @@ hb_font_get_empty (void)
 
     true, /* immutable */
 
-    NULL, /* parent */
+    nullptr, /* parent */
     const_cast<hb_face_t *> (&_hb_face_nil),
 
     1000, /* x_scale */
@@ -1203,11 +1203,11 @@ hb_font_get_empty (void)
     0, /* ptem */
 
     0, /* num_coords */
-    NULL, /* coords */
+    nullptr, /* coords */
 
     const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */
-    NULL, /* user_data */
-    NULL, /* destroy */
+    nullptr, /* user_data */
+    nullptr, /* destroy */
 
     {
 #define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
@@ -1639,13 +1639,13 @@ hb_font_set_variations (hb_font_t *font,
 
   if (!variations_length)
   {
-    hb_font_set_var_coords_normalized (font, NULL, 0);
+    hb_font_set_var_coords_normalized (font, nullptr, 0);
     return;
   }
 
   unsigned int coords_length = hb_ot_var_get_axis_count (font->face);
 
-  int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : NULL;
+  int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : nullptr;
   if (unlikely (coords_length && !normalized))
     return;
 
@@ -1668,7 +1668,7 @@ hb_font_set_var_coords_design (hb_font_t *font,
   if (font->immutable)
     return;
 
-  int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : NULL;
+  int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : nullptr;
   if (unlikely (coords_length && !normalized))
     return;
 
@@ -1689,7 +1689,7 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
   if (font->immutable)
     return;
 
-  int *copy = coords_length ? (int *) calloc (coords_length, sizeof (coords[0])) : NULL;
+  int *copy = coords_length ? (int *) calloc (coords_length, sizeof (coords[0])) : nullptr;
   if (unlikely (coords_length && !copy))
     return;
 
@@ -1749,7 +1749,7 @@ trampoline_create (FuncType           func,
   trampoline_t *trampoline = (trampoline_t *) calloc (1, sizeof (trampoline_t));
 
   if (unlikely (!trampoline))
-    return NULL;
+    return nullptr;
 
   trampoline->closure.user_data = user_data;
   trampoline->closure.destroy = destroy;
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 83af9942e..6036f301a 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -83,7 +83,7 @@ _hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref)
   hb_ft_font_t *ft_font = (hb_ft_font_t *) calloc (1, sizeof (hb_ft_font_t));
 
   if (unlikely (!ft_font))
-    return NULL;
+    return nullptr;
 
   ft_font->ft_face = ft_face;
   ft_font->symbol = symbol;
@@ -158,7 +158,7 @@ FT_Face
 hb_ft_font_get_face (hb_font_t *font)
 {
   if (font->destroy != _hb_ft_font_destroy)
-    return NULL;
+    return nullptr;
 
   const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font->user_data;
 
@@ -424,7 +424,7 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED,
   return true;
 }
 
-static hb_font_funcs_t *static_ft_funcs = NULL;
+static hb_font_funcs_t *static_ft_funcs = nullptr;
 
 #ifdef HB_USE_ATEXIT
 static
@@ -444,24 +444,24 @@ retry:
   {
     funcs = hb_font_funcs_create ();
 
-    hb_font_funcs_set_font_h_extents_func (funcs, hb_ft_get_font_h_extents, NULL, NULL);
-    //hb_font_funcs_set_font_v_extents_func (funcs, hb_ft_get_font_v_extents, NULL, NULL);
-    hb_font_funcs_set_nominal_glyph_func (funcs, hb_ft_get_nominal_glyph, NULL, NULL);
-    hb_font_funcs_set_variation_glyph_func (funcs, hb_ft_get_variation_glyph, NULL, NULL);
-    hb_font_funcs_set_glyph_h_advance_func (funcs, hb_ft_get_glyph_h_advance, NULL, NULL);
-    hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ft_get_glyph_v_advance, NULL, NULL);
-    //hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ft_get_glyph_h_origin, NULL, NULL);
-    hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ft_get_glyph_v_origin, NULL, NULL);
-    hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ft_get_glyph_h_kerning, NULL, NULL);
-    //hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ft_get_glyph_v_kerning, NULL, NULL);
-    hb_font_funcs_set_glyph_extents_func (funcs, hb_ft_get_glyph_extents, NULL, NULL);
-    hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ft_get_glyph_contour_point, NULL, NULL);
-    hb_font_funcs_set_glyph_name_func (funcs, hb_ft_get_glyph_name, NULL, NULL);
-    hb_font_funcs_set_glyph_from_name_func (funcs, hb_ft_get_glyph_from_name, NULL, NULL);
+    hb_font_funcs_set_font_h_extents_func (funcs, hb_ft_get_font_h_extents, nullptr, nullptr);
+    //hb_font_funcs_set_font_v_extents_func (funcs, hb_ft_get_font_v_extents, nullptr, nullptr);
+    hb_font_funcs_set_nominal_glyph_func (funcs, hb_ft_get_nominal_glyph, nullptr, nullptr);
+    hb_font_funcs_set_variation_glyph_func (funcs, hb_ft_get_variation_glyph, nullptr, nullptr);
+    hb_font_funcs_set_glyph_h_advance_func (funcs, hb_ft_get_glyph_h_advance, nullptr, nullptr);
+    hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ft_get_glyph_v_advance, nullptr, nullptr);
+    //hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ft_get_glyph_h_origin, nullptr, nullptr);
+    hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ft_get_glyph_v_origin, nullptr, nullptr);
+    hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ft_get_glyph_h_kerning, nullptr, nullptr);
+    //hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ft_get_glyph_v_kerning, nullptr, nullptr);
+    hb_font_funcs_set_glyph_extents_func (funcs, hb_ft_get_glyph_extents, nullptr, nullptr);
+    hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ft_get_glyph_contour_point, nullptr, nullptr);
+    hb_font_funcs_set_glyph_name_func (funcs, hb_ft_get_glyph_name, nullptr, nullptr);
+    hb_font_funcs_set_glyph_from_name_func (funcs, hb_ft_get_glyph_from_name, nullptr, nullptr);
 
     hb_font_funcs_make_immutable (funcs);
 
-    if (!hb_atomic_ptr_cmpexch (&static_ft_funcs, NULL, funcs)) {
+    if (!hb_atomic_ptr_cmpexch (&static_ft_funcs, nullptr, funcs)) {
       hb_font_funcs_destroy (funcs);
       goto retry;
     }
@@ -490,17 +490,17 @@ reference_table  (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
 
   /* Note: FreeType like HarfBuzz uses the NONE tag for fetching the entire blob */
 
-  error = FT_Load_Sfnt_Table (ft_face, tag, 0, NULL, &length);
+  error = FT_Load_Sfnt_Table (ft_face, tag, 0, nullptr, &length);
   if (error)
-    return NULL;
+    return nullptr;
 
   buffer = (FT_Byte *) malloc (length);
   if (!buffer)
-    return NULL;
+    return nullptr;
 
   error = FT_Load_Sfnt_Table (ft_face, tag, 0, buffer, &length);
   if (error)
-    return NULL;
+    return nullptr;
 
   return hb_blob_create ((const char *) buffer, length,
 			 HB_MEMORY_MODE_WRITABLE,
@@ -581,7 +581,7 @@ hb_ft_face_create_cached (FT_Face ft_face)
     if (ft_face->generic.finalizer)
       ft_face->generic.finalizer (ft_face);
 
-    ft_face->generic.data = hb_ft_face_create (ft_face, NULL);
+    ft_face->generic.data = hb_ft_face_create (ft_face, nullptr);
     ft_face->generic.finalizer = (FT_Generic_Finalizer) hb_ft_face_finalize;
   }
 
@@ -633,7 +633,7 @@ hb_ft_font_changed (hb_font_t *font)
 #endif
 
 #ifdef HAVE_FT_GET_VAR_BLEND_COORDINATES
-  FT_MM_Var *mm_var = NULL;
+  FT_MM_Var *mm_var = nullptr;
   if (!FT_Get_MM_Var (ft_face, &mm_var))
   {
     FT_Fixed *ft_coords = (FT_Fixed *) calloc (mm_var->num_axis, sizeof (FT_Fixed));
@@ -694,9 +694,9 @@ retry:
   {
     /* Not found; allocate one. */
     if (FT_Init_FreeType (&library))
-      return NULL;
+      return nullptr;
 
-    if (!hb_atomic_ptr_cmpexch (&ft_library, NULL, library)) {
+    if (!hb_atomic_ptr_cmpexch (&ft_library, nullptr, library)) {
       FT_Done_FreeType (library);
       goto retry;
     }
@@ -724,7 +724,7 @@ hb_ft_font_set_funcs (hb_font_t *font)
   if (unlikely (!blob_length))
     DEBUG_MSG (FT, font, "Font face has empty blob");
 
-  FT_Face ft_face = NULL;
+  FT_Face ft_face = nullptr;
   FT_Error err = FT_New_Memory_Face (get_ft_library (),
 				     (const FT_Byte *) blob_data,
 				     blob_length,
@@ -751,7 +751,7 @@ hb_ft_font_set_funcs (hb_font_t *font)
   {
     FT_Matrix matrix = { font->x_scale < 0 ? -1 : +1, 0,
 			  0, font->y_scale < 0 ? -1 : +1};
-    FT_Set_Transform (ft_face, &matrix, NULL);
+    FT_Set_Transform (ft_face, &matrix, nullptr);
   }
 
   unsigned int num_coords;
diff --git a/src/hb-glib.cc b/src/hb-glib.cc
index 8b499558b..5b0a1eb32 100644
--- a/src/hb-glib.cc
+++ b/src/hb-glib.cc
@@ -370,7 +370,7 @@ hb_glib_get_unicode_funcs (void)
   static const hb_unicode_funcs_t _hb_glib_unicode_funcs = {
     HB_OBJECT_HEADER_STATIC,
 
-    NULL, /* parent */
+    nullptr, /* parent */
     true, /* immutable */
     {
 #define HB_UNICODE_FUNC_IMPLEMENT(name) hb_glib_unicode_##name,
diff --git a/src/hb-gobject-structs.cc b/src/hb-gobject-structs.cc
index fef00245b..a96c35804 100644
--- a/src/hb-gobject-structs.cc
+++ b/src/hb-gobject-structs.cc
@@ -58,7 +58,7 @@ hb_gobject_##name##_get_type (void) \
 	static hb_##name##_t *_hb_##name##_reference (const hb_##name##_t *l) \
 	{ \
 	  hb_##name##_t *c = (hb_##name##_t *) calloc (1, sizeof (hb_##name##_t)); \
-	  if (unlikely (!c)) return NULL; \
+	  if (unlikely (!c)) return nullptr; \
 	  *c = *l; \
 	  return c; \
 	} \
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index bc247c60c..6f0598dd0 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -59,7 +59,7 @@ static const void *hb_graphite2_get_table (const void *data, unsigned int tag, s
   hb_graphite2_shaper_face_data_t *face_data = (hb_graphite2_shaper_face_data_t *) data;
   hb_graphite2_tablelist_t *tlist = face_data->tlist;
 
-  hb_blob_t *blob = NULL;
+  hb_blob_t *blob = nullptr;
 
   for (hb_graphite2_tablelist_t *p = tlist; p; p = p->next)
     if (p->tag == tag) {
@@ -74,7 +74,7 @@ static const void *hb_graphite2_get_table (const void *data, unsigned int tag, s
     hb_graphite2_tablelist_t *p = (hb_graphite2_tablelist_t *) calloc (1, sizeof (hb_graphite2_tablelist_t));
     if (unlikely (!p)) {
       hb_blob_destroy (blob);
-      return NULL;
+      return nullptr;
     }
     p->blob = blob;
     p->tag = tag;
@@ -100,20 +100,20 @@ _hb_graphite2_shaper_face_data_create (hb_face_t *face)
   if (!hb_blob_get_length (silf_blob))
   {
     hb_blob_destroy (silf_blob);
-    return NULL;
+    return nullptr;
   }
   hb_blob_destroy (silf_blob);
 
   hb_graphite2_shaper_face_data_t *data = (hb_graphite2_shaper_face_data_t *) calloc (1, sizeof (hb_graphite2_shaper_face_data_t));
   if (unlikely (!data))
-    return NULL;
+    return nullptr;
 
   data->face = face;
   data->grface = gr_make_face (data, &hb_graphite2_get_table, gr_face_preloadAll);
 
   if (unlikely (!data->grface)) {
     free (data);
-    return NULL;
+    return nullptr;
   }
 
   return data;
@@ -143,7 +143,7 @@ _hb_graphite2_shaper_face_data_destroy (hb_graphite2_shaper_face_data_t *data)
 gr_face *
 hb_graphite2_face_get_gr_face (hb_face_t *face)
 {
-  if (unlikely (!hb_graphite2_shaper_face_data_ensure (face))) return NULL;
+  if (unlikely (!hb_graphite2_shaper_face_data_ensure (face))) return nullptr;
   return HB_SHAPER_DATA_GET (face)->grface;
 }
 
@@ -171,7 +171,7 @@ _hb_graphite2_shaper_font_data_destroy (hb_graphite2_shaper_font_data_t *data HB
 gr_font *
 hb_graphite2_font_get_gr_font (hb_font_t *font)
 {
-  return NULL;
+  return nullptr;
 }
 
 
@@ -221,7 +221,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   gr_face *grface = HB_SHAPER_DATA_GET (face)->grface;
 
   const char *lang = hb_language_to_string (hb_buffer_get_language (buffer));
-  const char *lang_end = lang ? strchr (lang, '-') : NULL;
+  const char *lang_end = lang ? strchr (lang, '-') : nullptr;
   int lang_len = lang_end ? lang_end - lang : -1;
   gr_feature_val *feats = gr_face_featureval_for_lang (grface, lang ? hb_tag_from_string (lang, lang_len) : 0);
 
@@ -232,7 +232,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
       gr_fref_set_feature_value (fref, features[i].value, feats);
   }
 
-  gr_segment *seg = NULL;
+  gr_segment *seg = nullptr;
   const gr_slot *is;
   unsigned int ci = 0, ic = 0;
   float curradvx = 0., curradvy = 0.;
@@ -250,7 +250,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   hb_tag_t script_tag[2];
   hb_ot_tags_from_script (hb_buffer_get_script (buffer), &script_tag[0], &script_tag[1]);
 
-  seg = gr_make_seg (NULL, grface,
+  seg = gr_make_seg (nullptr, grface,
 		     script_tag[1] == HB_TAG_NONE ? script_tag[0] : script_tag[1],
 		     feats,
 		     gr_utf32, chars, buffer->len,
@@ -368,7 +368,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   /* Positioning. */
   unsigned int currclus = (unsigned int) -1;
   const hb_glyph_info_t *info = buffer->info;
-  hb_glyph_position_t *pPos = hb_buffer_get_glyph_positions (buffer, NULL);
+  hb_glyph_position_t *pPos = hb_buffer_get_glyph_positions (buffer, nullptr);
   if (!HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
   {
     curradvx = 0;
@@ -383,7 +383,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
       } else
         pPos->x_advance = 0.;
 
-      pPos->y_advance = gr_slot_advance_Y (is, grface, NULL) * yscale;
+      pPos->y_advance = gr_slot_advance_Y (is, grface, nullptr) * yscale;
       curradvy += pPos->y_advance;
     }
   }
@@ -400,7 +400,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
       } else
         pPos->x_advance = 0.;
 
-      pPos->y_advance = gr_slot_advance_Y (is, grface, NULL) * yscale;
+      pPos->y_advance = gr_slot_advance_Y (is, grface, nullptr) * yscale;
       curradvy -= pPos->y_advance;
       pPos->x_offset = (gr_slot_origin_X (is) - info->var1.i32) * xscale - curradvx + pPos->x_advance;
       pPos->y_offset = gr_slot_origin_Y (is) * yscale - curradvy;
diff --git a/src/hb-icu.cc b/src/hb-icu.cc
index ee54721fd..ce179e337 100644
--- a/src/hb-icu.cc
+++ b/src/hb-icu.cc
@@ -351,7 +351,7 @@ hb_icu_get_unicode_funcs (void)
   static const hb_unicode_funcs_t _hb_icu_unicode_funcs = {
     HB_OBJECT_HEADER_STATIC,
 
-    NULL, /* parent */
+    nullptr, /* parent */
     true, /* immutable */
     {
 #define HB_UNICODE_FUNC_IMPLEMENT(name) hb_icu_unicode_##name,
@@ -364,7 +364,7 @@ hb_icu_get_unicode_funcs (void)
   if (!hb_atomic_ptr_get (&normalizer)) {
     UErrorCode icu_err = U_ZERO_ERROR;
     /* We ignore failure in getNFCInstace(). */
-    (void) hb_atomic_ptr_cmpexch (&normalizer, NULL, unorm2_getNFCInstance (&icu_err));
+    (void) hb_atomic_ptr_cmpexch (&normalizer, nullptr, unorm2_getNFCInstance (&icu_err));
   }
 #endif
   return const_cast<hb_unicode_funcs_t *> (&_hb_icu_unicode_funcs);
diff --git a/src/hb-mutex-private.hh b/src/hb-mutex-private.hh
index ed2703571..49ed10e08 100644
--- a/src/hb-mutex-private.hh
+++ b/src/hb-mutex-private.hh
@@ -68,7 +68,7 @@ typedef CRITICAL_SECTION hb_mutex_impl_t;
 #include <pthread.h>
 typedef pthread_mutex_t hb_mutex_impl_t;
 #define HB_MUTEX_IMPL_INIT	PTHREAD_MUTEX_INITIALIZER
-#define hb_mutex_impl_init(M)	pthread_mutex_init (M, NULL)
+#define hb_mutex_impl_init(M)	pthread_mutex_init (M, nullptr)
 #define hb_mutex_impl_lock(M)	pthread_mutex_lock (M)
 #define hb_mutex_impl_unlock(M)	pthread_mutex_unlock (M)
 #define hb_mutex_impl_finish(M)	pthread_mutex_destroy (M)
diff --git a/src/hb-object-private.hh b/src/hb-object-private.hh
index 6b73ff92d..d678ae369 100644
--- a/src/hb-object-private.hh
+++ b/src/hb-object-private.hh
@@ -193,7 +193,7 @@ static inline void *hb_object_get_user_data (Type               *obj,
 					     hb_user_data_key_t *key)
 {
   if (unlikely (!obj || hb_object_is_inert (obj)))
-    return NULL;
+    return nullptr;
   assert (hb_object_is_valid (obj));
   return obj->header.user_data.get (key);
 }
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 9cd482adb..bed5eea2e 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -192,9 +192,9 @@ struct hb_sanitize_context_t :
 {
   inline hb_sanitize_context_t (void) :
 	debug_depth (0),
-	start (NULL), end (NULL),
+	start (nullptr), end (nullptr),
 	writable (false), edit_count (0),
-	blob (NULL) {}
+	blob (nullptr) {}
 
   inline const char *get_name (void) { return "SANITIZE"; }
   template <typename T, typename F>
@@ -214,7 +214,7 @@ struct hb_sanitize_context_t :
 
   inline void start_processing (void)
   {
-    this->start = hb_blob_get_data (this->blob, NULL);
+    this->start = hb_blob_get_data (this->blob, nullptr);
     this->end = this->start + hb_blob_get_length (this->blob);
     assert (this->start <= this->end); /* Must not overflow. */
     this->edit_count = 0;
@@ -233,8 +233,8 @@ struct hb_sanitize_context_t :
 		     this->start, this->end, this->edit_count);
 
     hb_blob_destroy (this->blob);
-    this->blob = NULL;
-    this->start = this->end = NULL;
+    this->blob = nullptr;
+    this->start = this->end = nullptr;
   }
 
   inline bool check_range (const void *base, unsigned int len) const
@@ -349,7 +349,7 @@ struct Sanitizer
     } else {
       unsigned int edit_count = c->edit_count;
       if (edit_count && !c->writable) {
-        c->start = hb_blob_get_data_writable (blob, NULL);
+        c->start = hb_blob_get_data_writable (blob, nullptr);
 	c->end = c->start + hb_blob_get_length (blob);
 
 	if (c->start) {
@@ -374,7 +374,7 @@ struct Sanitizer
 
   static const Type* lock_instance (hb_blob_t *blob) {
     hb_blob_make_immutable (blob);
-    const char *base = hb_blob_get_data (blob, NULL);
+    const char *base = hb_blob_get_data (blob, nullptr);
     return unlikely (!base) ? &Null(Type) : CastP<Type> (base);
   }
 };
@@ -445,7 +445,7 @@ struct hb_serialize_context_t
   {
     if (unlikely (this->ran_out_of_room || this->end - this->head < ptrdiff_t (size))) {
       this->ran_out_of_room = true;
-      return NULL;
+      return nullptr;
     }
     memset (this->head, 0, size);
     char *ret = this->head;
@@ -471,7 +471,7 @@ struct hb_serialize_context_t
   {
     unsigned int size = obj.get_size ();
     Type *ret = this->allocate_size<Type> (size);
-    if (unlikely (!ret)) return NULL;
+    if (unlikely (!ret)) return nullptr;
     memcpy (ret, obj, size);
     return ret;
   }
@@ -481,7 +481,7 @@ struct hb_serialize_context_t
   {
     unsigned int size = obj.min_size;
     assert (this->start <= (char *) &obj && (char *) &obj <= this->head && (char *) &obj + size >= this->head);
-    if (unlikely (!this->allocate_size<Type> (((char *) &obj) + size - this->head))) return NULL;
+    if (unlikely (!this->allocate_size<Type> (((char *) &obj) + size - this->head))) return nullptr;
     return reinterpret_cast<Type *> (&obj);
   }
 
@@ -490,7 +490,7 @@ struct hb_serialize_context_t
   {
     unsigned int size = obj.get_size ();
     assert (this->start < (char *) &obj && (char *) &obj <= this->head && (char *) &obj + size >= this->head);
-    if (unlikely (!this->allocate_size<Type> (((char *) &obj) + size - this->head))) return NULL;
+    if (unlikely (!this->allocate_size<Type> (((char *) &obj) + size - this->head))) return nullptr;
     return reinterpret_cast<Type *> (&obj);
   }
 
@@ -1073,7 +1073,7 @@ struct hb_lazy_loader_t
   inline void init (hb_face_t *face_)
   {
     face = face_;
-    instance = NULL;
+    instance = nullptr;
   }
 
   inline void fini (void)
@@ -1096,7 +1096,7 @@ struct hb_lazy_loader_t
         p = const_cast<T *> (&OT::Null(T));
       else
 	p->init (face);
-      if (unlikely (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), NULL, p)))
+      if (unlikely (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), nullptr, p)))
       {
 	if (p != &OT::Null(T))
 	  p->fini ();
@@ -1123,8 +1123,8 @@ struct hb_lazy_table_loader_t
   inline void init (hb_face_t *face_)
   {
     face = face_;
-    instance = NULL;
-    blob = NULL;
+    instance = nullptr;
+    blob = nullptr;
   }
 
   inline void fini (void)
@@ -1140,7 +1140,7 @@ struct hb_lazy_table_loader_t
     {
       hb_blob_t *blob_ = OT::Sanitizer<T>::sanitize (face->reference_table (T::tableTag));
       p = const_cast<T *>(OT::Sanitizer<T>::lock_instance (blob_));
-      if (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), NULL, p))
+      if (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), nullptr, p))
       {
 	hb_blob_destroy (blob_);
 	goto retry;
diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 0a7fbf5b7..3c6855b05 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -245,7 +245,7 @@ struct IndexSubtableArray
         return &indexSubtablesZ[i];
       }
     }
-    return NULL;
+    return nullptr;
   }
 
   protected:
@@ -344,7 +344,7 @@ struct CBLC
       }
     }
 
-    return NULL;
+    return nullptr;
   }
 
   protected:
diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 3a53a1cb5..93f38c56a 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -508,7 +508,7 @@ struct cmap
      * unsorted subtable list. */
     int result = encodingRecord./*bsearch*/lsearch (key);
     if (result == -1 || !encodingRecord[result].subtable)
-      return NULL;
+      return nullptr;
 
     return &(this+encodingRecord[result].subtable);
   }
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index a56f4c07f..06d1b8065 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -235,8 +235,8 @@ struct hb_ot_face_cbdt_accelerator_t
     cbdt_len = hb_blob_get_length (cbdt_blob);
 
     if (hb_blob_get_length (cblc_blob) == 0) {
-      cblc = NULL;
-      cbdt = NULL;
+      cblc = nullptr;
+      cbdt = nullptr;
       return;  /* Not a bitmap font. */
     }
     cblc = OT::Sanitizer<OT::CBLC>::lock_instance (cblc_blob);
@@ -349,8 +349,8 @@ struct hb_ot_face_cmap_accelerator_t
   {
     this->blob = OT::Sanitizer<OT::cmap>::sanitize (face->reference_table (HB_OT_TAG_cmap));
     const OT::cmap *cmap = OT::Sanitizer<OT::cmap>::lock_instance (this->blob);
-    const OT::CmapSubtable *subtable = NULL;
-    const OT::CmapSubtableFormat14 *subtable_uvs = NULL;
+    const OT::CmapSubtable *subtable = nullptr;
+    const OT::CmapSubtableFormat14 *subtable_uvs = nullptr;
 
     bool symbol = false;
     /* 32-bit subtables. */
@@ -445,7 +445,7 @@ _hb_ot_font_create (hb_face_t *face)
   hb_ot_font_t *ot_font = (hb_ot_font_t *) calloc (1, sizeof (hb_ot_font_t));
 
   if (unlikely (!ot_font))
-    return NULL;
+    return nullptr;
 
   ot_font->cmap.init (face);
   ot_font->h_metrics.init (face, HB_OT_TAG_hhea, HB_OT_TAG_hmtx, HB_OT_TAG_HVAR, HB_OT_TAG_os2);
@@ -563,7 +563,7 @@ hb_ot_get_font_v_extents (hb_font_t *font HB_UNUSED,
   return ot_font->v_metrics.has_font_extents;
 }
 
-static hb_font_funcs_t *static_ot_funcs = NULL;
+static hb_font_funcs_t *static_ot_funcs = nullptr;
 
 #ifdef HB_USE_ATEXIT
 static
@@ -583,24 +583,24 @@ retry:
   {
     funcs = hb_font_funcs_create ();
 
-    hb_font_funcs_set_font_h_extents_func (funcs, hb_ot_get_font_h_extents, NULL, NULL);
-    hb_font_funcs_set_font_v_extents_func (funcs, hb_ot_get_font_v_extents, NULL, NULL);
-    hb_font_funcs_set_nominal_glyph_func (funcs, hb_ot_get_nominal_glyph, NULL, NULL);
-    hb_font_funcs_set_variation_glyph_func (funcs, hb_ot_get_variation_glyph, NULL, NULL);
-    hb_font_funcs_set_glyph_h_advance_func (funcs, hb_ot_get_glyph_h_advance, NULL, NULL);
-    hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ot_get_glyph_v_advance, NULL, NULL);
-    //hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ot_get_glyph_h_origin, NULL, NULL);
-    //hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ot_get_glyph_v_origin, NULL, NULL);
-    //hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ot_get_glyph_h_kerning, NULL, NULL); TODO
-    //hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ot_get_glyph_v_kerning, NULL, NULL);
-    hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, NULL, NULL);
-    //hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, NULL, NULL); TODO
-    //hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, NULL, NULL); TODO
-    //hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, NULL, NULL); TODO
+    hb_font_funcs_set_font_h_extents_func (funcs, hb_ot_get_font_h_extents, nullptr, nullptr);
+    hb_font_funcs_set_font_v_extents_func (funcs, hb_ot_get_font_v_extents, nullptr, nullptr);
+    hb_font_funcs_set_nominal_glyph_func (funcs, hb_ot_get_nominal_glyph, nullptr, nullptr);
+    hb_font_funcs_set_variation_glyph_func (funcs, hb_ot_get_variation_glyph, nullptr, nullptr);
+    hb_font_funcs_set_glyph_h_advance_func (funcs, hb_ot_get_glyph_h_advance, nullptr, nullptr);
+    hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ot_get_glyph_v_advance, nullptr, nullptr);
+    //hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ot_get_glyph_h_origin, nullptr, nullptr);
+    //hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ot_get_glyph_v_origin, nullptr, nullptr);
+    //hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ot_get_glyph_h_kerning, nullptr, nullptr); TODO
+    //hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ot_get_glyph_v_kerning, nullptr, nullptr);
+    hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);
+    //hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr); TODO
+    //hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, nullptr, nullptr); TODO
+    //hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr); TODO
 
     hb_font_funcs_make_immutable (funcs);
 
-    if (!hb_atomic_ptr_cmpexch (&static_ot_funcs, NULL, funcs)) {
+    if (!hb_atomic_ptr_cmpexch (&static_ot_funcs, nullptr, funcs)) {
       hb_font_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index f22d990bc..ed18bd88f 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -214,7 +214,7 @@ struct LangSys
   }
 
   inline bool sanitize (hb_sanitize_context_t *c,
-			const Record<LangSys>::sanitize_closure_t * = NULL) const
+			const Record<LangSys>::sanitize_closure_t * = nullptr) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) && featureIndex.sanitize (c));
@@ -254,7 +254,7 @@ struct Script
   inline const LangSys& get_default_lang_sys (void) const { return this+defaultLangSys; }
 
   inline bool sanitize (hb_sanitize_context_t *c,
-			const Record<Script>::sanitize_closure_t * = NULL) const
+			const Record<Script>::sanitize_closure_t * = nullptr) const
   {
     TRACE_SANITIZE (this);
     return_trace (defaultLangSys.sanitize (c, this) && langSys.sanitize (c, this));
@@ -435,17 +435,17 @@ struct FeatureParamsCharacterVariants
 					 * specifies a string (or strings,
 					 * for multiple languages) for a
 					 * user-interface label for this
-					 * feature. (May be NULL.) */
+					 * feature. (May be nullptr.) */
   USHORT	featUITooltipTextNameID;/* The ‘name’ table name ID that
 					 * specifies a string (or strings,
 					 * for multiple languages) that an
 					 * application can use for tooltip
 					 * text for this feature. (May be
-					 * NULL.) */
+					 * nullptr.) */
   USHORT	sampleTextNameID;	/* The ‘name’ table name ID that
 					 * specifies sample text that
 					 * illustrates the effect of this
-					 * feature. (May be NULL.) */
+					 * feature. (May be nullptr.) */
   USHORT	numNamedParameters;	/* Number of named parameters. (May
 					 * be zero.) */
   USHORT	firstParamUILabelNameID;/* The first ‘name’ table name ID
@@ -507,7 +507,7 @@ struct Feature
   { return this+featureParams; }
 
   inline bool sanitize (hb_sanitize_context_t *c,
-			const Record<Feature>::sanitize_closure_t *closure = NULL) const
+			const Record<Feature>::sanitize_closure_t *closure = nullptr) const
   {
     TRACE_SANITIZE (this);
     if (unlikely (!(c->check_struct (this) && lookupIndex.sanitize (c))))
@@ -1458,7 +1458,7 @@ struct FeatureTableSubstitution
       if (record.featureIndex == feature_index)
 	return &(this+record.feature);
     }
-    return NULL;
+    return nullptr;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 85be7e7ea..4ae45b9ef 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -658,7 +658,7 @@ struct Ligature
     if (likely (!match_input (c, count,
 			      &component[1],
 			      match_glyph,
-			      NULL,
+			      nullptr,
 			      &match_length,
 			      match_positions,
 			      &is_mark_ligature,
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index cedf96e3f..4abd4b715 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -77,7 +77,7 @@ struct hb_closure_context_t :
 		        unsigned int nesting_level_left_ = HB_MAX_NESTING_LEVEL) :
 			  face (face_),
 			  glyphs (glyphs_),
-			  recurse_func (NULL),
+			  recurse_func (nullptr),
 			  nesting_level_left (nesting_level_left_),
 			  debug_depth (0) {}
 
@@ -146,7 +146,7 @@ struct hb_collect_glyphs_context_t :
     if (unlikely (nesting_level_left == 0 || !recurse_func))
       return default_return_value ();
 
-    /* Note that GPOS sets recurse_func to NULL already, so it doesn't get
+    /* Note that GPOS sets recurse_func to nullptr already, so it doesn't get
      * past the previous check.  For GSUB, we only want to collect the output
      * glyphs in the recursion.  If output is not requested, we can go home now.
      *
@@ -192,17 +192,17 @@ struct hb_collect_glyphs_context_t :
   unsigned int debug_depth;
 
   hb_collect_glyphs_context_t (hb_face_t *face_,
-			       hb_set_t  *glyphs_before, /* OUT. May be NULL */
-			       hb_set_t  *glyphs_input,  /* OUT. May be NULL */
-			       hb_set_t  *glyphs_after,  /* OUT. May be NULL */
-			       hb_set_t  *glyphs_output, /* OUT. May be NULL */
+			       hb_set_t  *glyphs_before, /* OUT. May be nullptr */
+			       hb_set_t  *glyphs_input,  /* OUT. May be nullptr */
+			       hb_set_t  *glyphs_after,  /* OUT. May be nullptr */
+			       hb_set_t  *glyphs_output, /* OUT. May be nullptr */
 			       unsigned int nesting_level_left_ = HB_MAX_NESTING_LEVEL) :
 			      face (face_),
 			      before (glyphs_before ? glyphs_before : hb_set_get_empty ()),
 			      input  (glyphs_input  ? glyphs_input  : hb_set_get_empty ()),
 			      after  (glyphs_after  ? glyphs_after  : hb_set_get_empty ()),
 			      output (glyphs_output ? glyphs_output : hb_set_get_empty ()),
-			      recurse_func (NULL),
+			      recurse_func (nullptr),
 			      recursed_lookups (),
 			      nesting_level_left (nesting_level_left_),
 			      debug_depth (0)
@@ -273,8 +273,8 @@ struct hb_apply_context_t :
 #define arg1(arg) (arg) /* Remove the macro to see why it's needed! */
 	     syllable arg1(0),
 #undef arg1
-	     match_func (NULL),
-	     match_data (NULL) {};
+	     match_func (nullptr),
+	     match_data (nullptr) {};
 
     typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const USHORT &value, const void *data);
 
@@ -342,8 +342,8 @@ struct hb_apply_context_t :
     inline void init (hb_apply_context_t *c_, bool context_match = false)
     {
       c = c_;
-      match_glyph_data = NULL;
-      matcher.set_match_func (NULL, NULL);
+      match_glyph_data = nullptr;
+      matcher.set_match_func (nullptr, nullptr);
       matcher.set_lookup_props (c->lookup_props);
       /* Ignore ZWNJ if we are matching GSUB context, or matching GPOS. */
       matcher.set_ignore_zwnj (c->table_index == 1 || (context_match && c->auto_zwnj));
@@ -491,7 +491,7 @@ struct hb_apply_context_t :
 		      hb_buffer_t *buffer_) :
 			iter_input (), iter_context (),
 			font (font_), face (font->face), buffer (buffer_),
-			recurse_func (NULL),
+			recurse_func (nullptr),
 			gdef (*hb_ot_layout_from_face (face)->gdef),
 			var_store (gdef.get_var_store ()),
 			direction (buffer_->props.direction),
@@ -719,10 +719,10 @@ static inline bool match_input (hb_apply_context_t *c,
 				const void *match_data,
 				unsigned int *end_offset,
 				unsigned int match_positions[HB_MAX_CONTEXT_LENGTH],
-				bool *p_is_mark_ligature = NULL,
-				unsigned int *p_total_component_count = NULL)
+				bool *p_is_mark_ligature = nullptr,
+				unsigned int *p_total_component_count = nullptr)
 {
-  TRACE_APPLY (NULL);
+  TRACE_APPLY (nullptr);
 
   if (unlikely (count > HB_MAX_CONTEXT_LENGTH)) return_trace (false);
 
@@ -846,7 +846,7 @@ static inline bool ligate_input (hb_apply_context_t *c,
 				 bool is_mark_ligature,
 				 unsigned int total_component_count)
 {
-  TRACE_APPLY (NULL);
+  TRACE_APPLY (nullptr);
 
   hb_buffer_t *buffer = c->buffer;
 
@@ -943,7 +943,7 @@ static inline bool match_backtrack (hb_apply_context_t *c,
 				    const void *match_data,
 				    unsigned int *match_start)
 {
-  TRACE_APPLY (NULL);
+  TRACE_APPLY (nullptr);
 
   hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
   skippy_iter.reset (c->buffer->backtrack_len (), count);
@@ -966,7 +966,7 @@ static inline bool match_lookahead (hb_apply_context_t *c,
 				    unsigned int offset,
 				    unsigned int *end_index)
 {
-  TRACE_APPLY (NULL);
+  TRACE_APPLY (nullptr);
 
   hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
   skippy_iter.reset (c->buffer->idx + offset - 1, count);
@@ -1016,7 +1016,7 @@ static inline bool apply_lookup (hb_apply_context_t *c,
 				 const LookupRecord lookupRecord[], /* Array of LookupRecords--in design order */
 				 unsigned int match_length)
 {
-  TRACE_APPLY (NULL);
+  TRACE_APPLY (nullptr);
 
   hb_buffer_t *buffer = c->buffer;
   int end;
@@ -1334,7 +1334,7 @@ struct ContextFormat1
 
     struct ContextClosureLookupContext lookup_context = {
       {intersects_glyph},
-      NULL
+      nullptr
     };
 
     unsigned int count = ruleSet.len;
@@ -1352,7 +1352,7 @@ struct ContextFormat1
 
     struct ContextCollectGlyphsLookupContext lookup_context = {
       {collect_glyph},
-      NULL
+      nullptr
     };
 
     unsigned int count = ruleSet.len;
@@ -1367,7 +1367,7 @@ struct ContextFormat1
     const RuleSet &rule_set = this+ruleSet[(this+coverage).get_coverage (c->glyphs[0])];
     struct ContextApplyLookupContext lookup_context = {
       {match_glyph},
-      NULL
+      nullptr
     };
     return_trace (rule_set.would_apply (c, lookup_context));
   }
@@ -1387,7 +1387,7 @@ struct ContextFormat1
     const RuleSet &rule_set = this+ruleSet[index];
     struct ContextApplyLookupContext lookup_context = {
       {match_glyph},
-      NULL
+      nullptr
     };
     return_trace (rule_set.apply (c, lookup_context));
   }
@@ -1892,7 +1892,7 @@ struct ChainContextFormat1
 
     struct ChainContextClosureLookupContext lookup_context = {
       {intersects_glyph},
-      {NULL, NULL, NULL}
+      {nullptr, nullptr, nullptr}
     };
 
     unsigned int count = ruleSet.len;
@@ -1910,7 +1910,7 @@ struct ChainContextFormat1
 
     struct ChainContextCollectGlyphsLookupContext lookup_context = {
       {collect_glyph},
-      {NULL, NULL, NULL}
+      {nullptr, nullptr, nullptr}
     };
 
     unsigned int count = ruleSet.len;
@@ -1925,7 +1925,7 @@ struct ChainContextFormat1
     const ChainRuleSet &rule_set = this+ruleSet[(this+coverage).get_coverage (c->glyphs[0])];
     struct ChainContextApplyLookupContext lookup_context = {
       {match_glyph},
-      {NULL, NULL, NULL}
+      {nullptr, nullptr, nullptr}
     };
     return_trace (rule_set.would_apply (c, lookup_context));
   }
@@ -1944,7 +1944,7 @@ struct ChainContextFormat1
     const ChainRuleSet &rule_set = this+ruleSet[index];
     struct ChainContextApplyLookupContext lookup_context = {
       {match_glyph},
-      {NULL, NULL, NULL}
+      {nullptr, nullptr, nullptr}
     };
     return_trace (rule_set.apply (c, lookup_context));
   }
diff --git a/src/hb-ot-layout-jstf-table.hh b/src/hb-ot-layout-jstf-table.hh
index c3068491b..adbaad64f 100644
--- a/src/hb-ot-layout-jstf-table.hh
+++ b/src/hb-ot-layout-jstf-table.hh
@@ -124,7 +124,7 @@ struct JstfPriority
 struct JstfLangSys : OffsetListOf<JstfPriority>
 {
   inline bool sanitize (hb_sanitize_context_t *c,
-			const Record<JstfLangSys>::sanitize_closure_t * = NULL) const
+			const Record<JstfLangSys>::sanitize_closure_t * = nullptr) const
   {
     TRACE_SANITIZE (this);
     return_trace (OffsetListOf<JstfPriority>::sanitize (c));
@@ -165,7 +165,7 @@ struct JstfScript
   inline const JstfLangSys& get_default_lang_sys (void) const { return this+defaultLangSys; }
 
   inline bool sanitize (hb_sanitize_context_t *c,
-			const Record<JstfScript>::sanitize_closure_t * = NULL) const
+			const Record<JstfScript>::sanitize_closure_t * = nullptr) const
   {
     TRACE_SANITIZE (this);
     return_trace (extenderGlyphs.sanitize (c, this) &&
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index ecf45f195..71e782686 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -44,7 +44,7 @@ _hb_ot_layout_create (hb_face_t *face)
 {
   hb_ot_layout_t *layout = (hb_ot_layout_t *) calloc (1, sizeof (hb_ot_layout_t));
   if (unlikely (!layout))
-    return NULL;
+    return nullptr;
 
   layout->gdef_blob = OT::Sanitizer<OT::GDEF>::sanitize (face->reference_table (HB_OT_TAG_GDEF));
   layout->gdef = OT::Sanitizer<OT::GDEF>::lock_instance (layout->gdef_blob);
@@ -176,7 +176,7 @@ _hb_ot_layout_create (hb_face_t *face)
 		(layout->gpos_lookup_count && !layout->gpos_accels)))
   {
     _hb_ot_layout_destroy (layout);
-    return NULL;
+    return nullptr;
   }
 
   for (unsigned int i = 0; i < layout->gsub_lookup_count; i++)
@@ -474,7 +474,7 @@ hb_ot_layout_language_get_required_feature_index (hb_face_t    *face,
 						     script_index,
 						     language_index,
 						     feature_index,
-						     NULL);
+						     nullptr);
 }
 
 /**
@@ -652,7 +652,7 @@ _hb_ot_layout_collect_lookups_features (hb_face_t      *face,
 						    script_index,
 						    language_index,
 						    &required_feature_index,
-						    NULL))
+						    nullptr))
       _hb_ot_layout_collect_lookups_lookups (face,
 					     table_tag,
 					     required_feature_index,
@@ -721,7 +721,7 @@ _hb_ot_layout_collect_lookups_languages (hb_face_t      *face,
     unsigned int count = hb_ot_layout_script_get_language_tags (face,
 								table_tag,
 								script_index,
-								0, NULL, NULL);
+								0, nullptr, nullptr);
     for (unsigned int language_index = 0; language_index < count; language_index++)
       _hb_ot_layout_collect_lookups_features (face,
 					      table_tag,
@@ -768,7 +768,7 @@ hb_ot_layout_collect_lookups (hb_face_t      *face,
     /* All scripts */
     unsigned int count = hb_ot_layout_table_get_script_tags (face,
 							     table_tag,
-							     0, NULL, NULL);
+							     0, nullptr, nullptr);
     for (unsigned int script_index = 0; script_index < count; script_index++)
       _hb_ot_layout_collect_lookups_languages (face,
 					       table_tag,
@@ -805,10 +805,10 @@ void
 hb_ot_layout_lookup_collect_glyphs (hb_face_t    *face,
 				    hb_tag_t      table_tag,
 				    unsigned int  lookup_index,
-				    hb_set_t     *glyphs_before, /* OUT. May be NULL */
-				    hb_set_t     *glyphs_input,  /* OUT. May be NULL */
-				    hb_set_t     *glyphs_after,  /* OUT. May be NULL */
-				    hb_set_t     *glyphs_output  /* OUT. May be NULL */)
+				    hb_set_t     *glyphs_before, /* OUT. May be nullptr */
+				    hb_set_t     *glyphs_input,  /* OUT. May be nullptr */
+				    hb_set_t     *glyphs_after,  /* OUT. May be nullptr */
+				    hb_set_t     *glyphs_output  /* OUT. May be nullptr */)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return;
 
@@ -967,11 +967,11 @@ hb_ot_layout_position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer)
  **/
 hb_bool_t
 hb_ot_layout_get_size_params (hb_face_t    *face,
-			      unsigned int *design_size,       /* OUT.  May be NULL */
-			      unsigned int *subfamily_id,      /* OUT.  May be NULL */
-			      unsigned int *subfamily_name_id, /* OUT.  May be NULL */
-			      unsigned int *range_start,       /* OUT.  May be NULL */
-			      unsigned int *range_end          /* OUT.  May be NULL */)
+			      unsigned int *design_size,       /* OUT.  May be nullptr */
+			      unsigned int *subfamily_id,      /* OUT.  May be nullptr */
+			      unsigned int *subfamily_name_id, /* OUT.  May be nullptr */
+			      unsigned int *range_start,       /* OUT.  May be nullptr */
+			      unsigned int *range_end          /* OUT.  May be nullptr */)
 {
   const OT::GPOS &gpos = _get_gpos (face);
   const hb_tag_t tag = HB_TAG ('s','i','z','e');
diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index 6f774dde0..22690de57 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -79,7 +79,7 @@ struct hb_ot_map_t
 
   inline hb_mask_t get_global_mask (void) const { return global_mask; }
 
-  inline hb_mask_t get_mask (hb_tag_t feature_tag, unsigned int *shift = NULL) const {
+  inline hb_mask_t get_mask (hb_tag_t feature_tag, unsigned int *shift = nullptr) const {
     const feature_map_t *map = features.bsearch (&feature_tag);
     if (shift) *shift = map ? map->shift : 0;
     return map ? map->mask : 0;
@@ -108,14 +108,14 @@ struct hb_ot_map_t
   inline void get_stage_lookups (unsigned int table_index, unsigned int stage,
 				 const struct lookup_map_t **plookups, unsigned int *lookup_count) const {
     if (unlikely (stage == (unsigned int) -1)) {
-      *plookups = NULL;
+      *plookups = nullptr;
       *lookup_count = 0;
       return;
     }
     assert (stage <= stages[table_index].len);
     unsigned int start = stage ? stages[table_index][stage - 1].last_lookup : 0;
     unsigned int end   = stage < stages[table_index].len ? stages[table_index][stage].last_lookup : lookups[table_index].len;
-    *plookups = end == start ? NULL : &lookups[table_index][start];
+    *plookups = end == start ? nullptr : &lookups[table_index][start];
     *lookup_count = end - start;
   }
 
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 0922d7594..ea9bde9a6 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -269,8 +269,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
   feature_infos.shrink (0); /* Done with these */
 
 
-  add_gsub_pause (NULL);
-  add_gpos_pause (NULL);
+  add_gsub_pause (nullptr);
+  add_gpos_pause (nullptr);
 
   for (unsigned int table_index = 0; table_index < 2; table_index++)
   {
diff --git a/src/hb-ot-math-table.hh b/src/hb-ot-math-table.hh
index 3607dbea3..b3c8571bc 100644
--- a/src/hb-ot-math-table.hh
+++ b/src/hb-ot-math-table.hh
@@ -50,7 +50,7 @@ struct MathValueRecord
   protected:
   SHORT			value;		/* The X or Y value in design units */
   OffsetTo<Device>	deviceTable;	/* Offset to the device table - from the
-					 * beginning of parent table. May be NULL.
+					 * beginning of parent table. May be nullptr.
 					 * Suggested format for device table is 1. */
 
   public:
@@ -319,7 +319,7 @@ struct MathKernInfoRecord
 
   protected:
   /* Offset to MathKern table for each corner -
-   * from the beginning of MathKernInfo table. May be NULL. */
+   * from the beginning of MathKernInfo table. May be nullptr. */
   OffsetTo<MathKern> mathKern[4];
 
   public:
@@ -402,7 +402,7 @@ struct MathGlyphInfo
    * from the beginning of MathGlyphInfo table. When the left or right glyph of
    * a box is an extended shape variant, the (ink) box (and not the default
    * position defined by values in MathConstants table) should be used for
-   * vertical positioning purposes. May be NULL.. */
+   * vertical positioning purposes. May be nullptr.. */
   OffsetTo<Coverage> extendedShapeCoverage;
 
    /* Offset to MathKernInfo table -
@@ -571,7 +571,7 @@ struct MathGlyphConstruction
 
   protected:
   /* Offset to MathGlyphAssembly table for this shape - from the beginning of
-     MathGlyphConstruction table. May be NULL. */
+     MathGlyphConstruction table. May be nullptr. */
   OffsetTo<MathGlyphAssembly>	  glyphAssembly;
 
   /* MathGlyphVariantRecords for alternative variants of the glyphs. */
diff --git a/src/hb-ot-shape-complex-arabic-fallback.hh b/src/hb-ot-shape-complex-arabic-fallback.hh
index 92f6cdf15..b7638b7be 100644
--- a/src/hb-ot-shape-complex-arabic-fallback.hh
+++ b/src/hb-ot-shape-complex-arabic-fallback.hh
@@ -73,7 +73,7 @@ arabic_fallback_synthesize_lookup_single (const hb_ot_shape_plan_t *plan HB_UNUS
   }
 
   if (!num_glyphs)
-    return NULL;
+    return nullptr;
 
   /* Bubble-sort or something equally good!
    * May not be good-enough for presidential candidate interviews, but good-enough for us... */
@@ -94,7 +94,7 @@ arabic_fallback_synthesize_lookup_single (const hb_ot_shape_plan_t *plan HB_UNUS
   c.end_serialize ();
   /* TODO sanitize the results? */
 
-  return ret ? c.copy<OT::SubstLookup> () : NULL;
+  return ret ? c.copy<OT::SubstLookup> () : nullptr;
 }
 
 static OT::SubstLookup *
@@ -153,7 +153,7 @@ arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UN
   }
 
   if (!num_ligatures)
-    return NULL;
+    return nullptr;
 
   OT::Supplier<OT::GlyphID>   first_glyphs_supplier                      (first_glyphs, num_first_glyphs);
   OT::Supplier<unsigned int > ligature_per_first_glyph_count_supplier    (ligature_per_first_glyph_count_list, num_first_glyphs);
@@ -177,7 +177,7 @@ arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UN
   c.end_serialize ();
   /* TODO sanitize the results? */
 
-  return ret ? c.copy<OT::SubstLookup> () : NULL;
+  return ret ? c.copy<OT::SubstLookup> () : nullptr;
 }
 
 static OT::SubstLookup *
diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index f74196112..be02e3f74 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -212,13 +212,13 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
   map->add_global_bool_feature (HB_TAG('c','c','m','p'));
   map->add_global_bool_feature (HB_TAG('l','o','c','l'));
 
-  map->add_gsub_pause (NULL);
+  map->add_gsub_pause (nullptr);
 
   for (unsigned int i = 0; i < ARABIC_NUM_FEATURES; i++)
   {
     bool has_fallback = plan->props.script == HB_SCRIPT_ARABIC && !FEATURE_IS_SYRIAC (arabic_features[i]);
     map->add_feature (arabic_features[i], 1, has_fallback ? F_HAS_FALLBACK : F_NONE);
-    map->add_gsub_pause (NULL);
+    map->add_gsub_pause (nullptr);
   }
 
   map->add_feature (HB_TAG('r','l','i','g'), 1, F_GLOBAL|F_HAS_FALLBACK);
@@ -228,7 +228,7 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
   /* No pause after rclt.  See 98460779bae19e4d64d29461ff154b3527bf8420. */
   map->add_global_bool_feature (HB_TAG('r','c','l','t'));
   map->add_global_bool_feature (HB_TAG('c','a','l','t'));
-  map->add_gsub_pause (NULL);
+  map->add_gsub_pause (nullptr);
 
   /* The spec includes 'cswh'.  Earlier versions of Windows
    * used to enable this by default, but testing suggests
@@ -265,7 +265,7 @@ data_create_arabic (const hb_ot_shape_plan_t *plan)
 {
   arabic_shape_plan_t *arabic_plan = (arabic_shape_plan_t *) calloc (1, sizeof (arabic_shape_plan_t));
   if (unlikely (!arabic_plan))
-    return NULL;
+    return nullptr;
 
   arabic_plan->do_fallback = plan->props.script == HB_SCRIPT_ARABIC;
   arabic_plan->has_stch = !!plan->map.get_1_mask (HB_TAG ('s','t','c','h'));
@@ -412,7 +412,7 @@ retry:
   {
     /* This sucks.  We need a font to build the fallback plan... */
     fallback_plan = arabic_fallback_plan_create (plan, font);
-    if (unlikely (!hb_atomic_ptr_cmpexch (&(const_cast<arabic_shape_plan_t *> (arabic_plan))->fallback_plan, NULL, fallback_plan))) {
+    if (unlikely (!hb_atomic_ptr_cmpexch (&(const_cast<arabic_shape_plan_t *> (arabic_plan))->fallback_plan, nullptr, fallback_plan))) {
       arabic_fallback_plan_destroy (fallback_plan);
       goto retry;
     }
@@ -532,11 +532,11 @@ apply_stch (const hb_ot_shape_plan_t *plan,
       }
       i++; // Don't touch i again.
 
-      DEBUG_MSG (ARABIC, NULL, "%s stretch at (%d,%d,%d)",
+      DEBUG_MSG (ARABIC, nullptr, "%s stretch at (%d,%d,%d)",
 		 step == MEASURE ? "measuring" : "cutting", context, start, end);
-      DEBUG_MSG (ARABIC, NULL, "rest of word:    count=%d width %d", start - context, w_total);
-      DEBUG_MSG (ARABIC, NULL, "fixed tiles:     count=%d width=%d", n_fixed, w_fixed);
-      DEBUG_MSG (ARABIC, NULL, "repeating tiles: count=%d width=%d", n_repeating, w_repeating);
+      DEBUG_MSG (ARABIC, nullptr, "rest of word:    count=%d width %d", start - context, w_total);
+      DEBUG_MSG (ARABIC, nullptr, "fixed tiles:     count=%d width=%d", n_fixed, w_fixed);
+      DEBUG_MSG (ARABIC, nullptr, "repeating tiles: count=%d width=%d", n_repeating, w_repeating);
 
       /* Number of additional times to repeat each repeating tile. */
       int n_copies = 0;
@@ -559,7 +559,7 @@ apply_stch (const hb_ot_shape_plan_t *plan,
       if (step == MEASURE)
       {
 	extra_glyphs_needed += n_copies * n_repeating;
-	DEBUG_MSG (ARABIC, NULL, "will add extra %d copies of repeating tiles", n_copies);
+	DEBUG_MSG (ARABIC, nullptr, "will add extra %d copies of repeating tiles", n_copies);
       }
       else
       {
@@ -572,7 +572,7 @@ apply_stch (const hb_ot_shape_plan_t *plan,
 	  if (info[k - 1].arabic_shaping_action() == STCH_REPEATING)
 	    repeat += n_copies;
 
-	  DEBUG_MSG (ARABIC, NULL, "appending %d copies of glyph %d; j=%d",
+	  DEBUG_MSG (ARABIC, nullptr, "appending %d copies of glyph %d; j=%d",
 		     repeat, info[k - 1].codepoint, j);
 	  for (unsigned int n = 0; n < repeat; n++)
 	  {
@@ -691,16 +691,16 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
 {
   "arabic",
   collect_features_arabic,
-  NULL, /* override_features */
+  nullptr, /* override_features */
   data_create_arabic,
   data_destroy_arabic,
-  NULL, /* preprocess_text */
+  nullptr, /* preprocess_text */
   postprocess_glyphs_arabic,
   HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
-  NULL, /* decompose */
-  NULL, /* compose */
+  nullptr, /* decompose */
+  nullptr, /* compose */
   setup_masks_arabic,
-  NULL, /* disable_otl */
+  nullptr, /* disable_otl */
   reorder_marks_arabic,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
diff --git a/src/hb-ot-shape-complex-default.cc b/src/hb-ot-shape-complex-default.cc
index 857980cfc..99b53a5a8 100644
--- a/src/hb-ot-shape-complex-default.cc
+++ b/src/hb-ot-shape-complex-default.cc
@@ -30,18 +30,18 @@
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
 {
   "default",
-  NULL, /* collect_features */
-  NULL, /* override_features */
-  NULL, /* data_create */
-  NULL, /* data_destroy */
-  NULL, /* preprocess_text */
-  NULL, /* postprocess_glyphs */
+  nullptr, /* collect_features */
+  nullptr, /* override_features */
+  nullptr, /* data_create */
+  nullptr, /* data_destroy */
+  nullptr, /* preprocess_text */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
-  NULL, /* decompose */
-  NULL, /* compose */
-  NULL, /* setup_masks */
-  NULL, /* disable_otl */
-  NULL, /* reorder_marks */
+  nullptr, /* decompose */
+  nullptr, /* compose */
+  nullptr, /* setup_masks */
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index 63850d36a..0f3337ff0 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -80,7 +80,7 @@ data_create_hangul (const hb_ot_shape_plan_t *plan)
 {
   hangul_shape_plan_t *hangul_plan = (hangul_shape_plan_t *) calloc (1, sizeof (hangul_shape_plan_t));
   if (unlikely (!hangul_plan))
-    return NULL;
+    return nullptr;
 
   for (unsigned int i = 0; i < HANGUL_FEATURE_COUNT; i++)
     hangul_plan->mask_array[i] = plan->map.get_1_mask (hangul_features[i]);
@@ -420,13 +420,13 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
   data_create_hangul,
   data_destroy_hangul,
   preprocess_text_hangul,
-  NULL, /* postprocess_glyphs */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
-  NULL, /* decompose */
-  NULL, /* compose */
+  nullptr, /* decompose */
+  nullptr, /* compose */
   setup_masks_hangul,
-  NULL, /* disable_otl */
-  NULL, /* reorder_marks */
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-hebrew.cc b/src/hb-ot-shape-complex-hebrew.cc
index b8ddadc1e..fccd76a45 100644
--- a/src/hb-ot-shape-complex-hebrew.cc
+++ b/src/hb-ot-shape-complex-hebrew.cc
@@ -170,18 +170,18 @@ disable_otl_hebrew (const hb_ot_shape_plan_t *plan)
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
 {
   "hebrew",
-  NULL, /* collect_features */
-  NULL, /* override_features */
-  NULL, /* data_create */
-  NULL, /* data_destroy */
-  NULL, /* preprocess_text */
-  NULL, /* postprocess_glyphs */
+  nullptr, /* collect_features */
+  nullptr, /* override_features */
+  nullptr, /* data_create */
+  nullptr, /* data_destroy */
+  nullptr, /* preprocess_text */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
-  NULL, /* decompose */
+  nullptr, /* decompose */
   compose_hebrew,
-  NULL, /* setup_masks */
+  nullptr, /* setup_masks */
   disable_otl_hebrew,
-  NULL, /* reorder_marks */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index c98502641..324333c75 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -435,7 +435,7 @@ collect_features_indic (hb_ot_shape_planner_t *plan)
   map->add_gsub_pause (initial_reordering);
   for (; i < INDIC_BASIC_FEATURES; i++) {
     map->add_feature (indic_features[i].tag, 1, indic_features[i].flags | F_MANUAL_ZWJ | F_MANUAL_ZWNJ);
-    map->add_gsub_pause (NULL);
+    map->add_gsub_pause (nullptr);
   }
   map->add_gsub_pause (final_reordering);
   for (; i < INDIC_NUM_FEATURES; i++) {
@@ -533,7 +533,7 @@ data_create_indic (const hb_ot_shape_plan_t *plan)
 {
   indic_shape_plan_t *indic_plan = (indic_shape_plan_t *) calloc (1, sizeof (indic_shape_plan_t));
   if (unlikely (!indic_plan))
-    return NULL;
+    return nullptr;
 
   indic_plan->config = &indic_configs[0];
   for (unsigned int i = 1; i < ARRAY_LENGTH (indic_configs); i++)
@@ -1848,14 +1848,14 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
   override_features_indic,
   data_create_indic,
   data_destroy_indic,
-  NULL, /* preprocess_text */
-  NULL, /* postprocess_glyphs */
+  nullptr, /* preprocess_text */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   decompose_indic,
   compose_indic,
   setup_masks_indic,
-  NULL, /* disable_otl */
-  NULL, /* reorder_marks */
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 4081ed03d..8b8e41723 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -103,7 +103,7 @@ collect_features_myanmar (hb_ot_shape_planner_t *plan)
   for (unsigned int i = 0; i < ARRAY_LENGTH (basic_features); i++)
   {
     map->add_feature (basic_features[i], 1, F_GLOBAL | F_MANUAL_ZWJ);
-    map->add_gsub_pause (NULL);
+    map->add_gsub_pause (nullptr);
   }
   map->add_gsub_pause (final_reordering);
   for (unsigned int i = 0; i < ARRAY_LENGTH (other_features); i++)
@@ -513,18 +513,18 @@ final_reordering (const hb_ot_shape_plan_t *plan,
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_old =
 {
   "default",
-  NULL, /* collect_features */
-  NULL, /* override_features */
-  NULL, /* data_create */
-  NULL, /* data_destroy */
-  NULL, /* preprocess_text */
-  NULL, /* postprocess_glyphs */
+  nullptr, /* collect_features */
+  nullptr, /* override_features */
+  nullptr, /* data_create */
+  nullptr, /* data_destroy */
+  nullptr, /* preprocess_text */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
-  NULL, /* decompose */
-  NULL, /* compose */
-  NULL, /* setup_masks */
-  NULL, /* disable_otl */
-  NULL, /* reorder_marks */
+  nullptr, /* decompose */
+  nullptr, /* compose */
+  nullptr, /* setup_masks */
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
@@ -534,16 +534,16 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
   "myanmar",
   collect_features_myanmar,
   override_features_myanmar,
-  NULL, /* data_create */
-  NULL, /* data_destroy */
-  NULL, /* preprocess_text */
-  NULL, /* postprocess_glyphs */
+  nullptr, /* data_create */
+  nullptr, /* data_destroy */
+  nullptr, /* preprocess_text */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
-  NULL, /* decompose */
-  NULL, /* compose */
+  nullptr, /* decompose */
+  nullptr, /* compose */
   setup_masks_myanmar,
-  NULL, /* disable_otl */
-  NULL, /* reorder_marks */
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index 979206711..4951cb5f1 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -70,7 +70,7 @@ struct hb_ot_complex_shaper_t
   /* collect_features()
    * Called during shape_plan().
    * Shapers should use plan->map to add their features and callbacks.
-   * May be NULL.
+   * May be nullptr.
    */
   void (*collect_features) (hb_ot_shape_planner_t *plan);
 
@@ -78,7 +78,7 @@ struct hb_ot_complex_shaper_t
    * Called during shape_plan().
    * Shapers should use plan->map to override features and add callbacks after
    * common features are added.
-   * May be NULL.
+   * May be nullptr.
    */
   void (*override_features) (hb_ot_shape_planner_t *plan);
 
@@ -86,15 +86,15 @@ struct hb_ot_complex_shaper_t
   /* data_create()
    * Called at the end of shape_plan().
    * Whatever shapers return will be accessible through plan->data later.
-   * If NULL is returned, means a plan failure.
+   * If nullptr is returned, means a plan failure.
    */
   void *(*data_create) (const hb_ot_shape_plan_t *plan);
 
   /* data_destroy()
    * Called when the shape_plan is being destroyed.
    * plan->data is passed here for destruction.
-   * If NULL is returned, means a plan failure.
-   * May be NULL.
+   * If nullptr is returned, means a plan failure.
+   * May be nullptr.
    */
   void (*data_destroy) (void *data);
 
@@ -102,7 +102,7 @@ struct hb_ot_complex_shaper_t
   /* preprocess_text()
    * Called during shape().
    * Shapers can use to modify text before shaping starts.
-   * May be NULL.
+   * May be nullptr.
    */
   void (*preprocess_text) (const hb_ot_shape_plan_t *plan,
 			   hb_buffer_t              *buffer,
@@ -111,7 +111,7 @@ struct hb_ot_complex_shaper_t
   /* postprocess_glyphs()
    * Called during shape().
    * Shapers can use to modify glyphs after shaping ends.
-   * May be NULL.
+   * May be nullptr.
    */
   void (*postprocess_glyphs) (const hb_ot_shape_plan_t *plan,
 			      hb_buffer_t              *buffer,
@@ -122,7 +122,7 @@ struct hb_ot_complex_shaper_t
 
   /* decompose()
    * Called during shape()'s normalization.
-   * May be NULL.
+   * May be nullptr.
    */
   bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
 		     hb_codepoint_t  ab,
@@ -131,7 +131,7 @@ struct hb_ot_complex_shaper_t
 
   /* compose()
    * Called during shape()'s normalization.
-   * May be NULL.
+   * May be nullptr.
    */
   bool (*compose) (const hb_ot_shape_normalize_context_t *c,
 		   hb_codepoint_t  a,
@@ -142,7 +142,7 @@ struct hb_ot_complex_shaper_t
    * Called during shape().
    * Shapers should use map to get feature masks and set on buffer.
    * Shapers may NOT modify characters.
-   * May be NULL.
+   * May be nullptr.
    */
   void (*setup_masks) (const hb_ot_shape_plan_t *plan,
 		       hb_buffer_t              *buffer,
@@ -152,14 +152,14 @@ struct hb_ot_complex_shaper_t
    * Called during shape().
    * If set and returns true, GDEF/GSUB/GPOS of the font are ignored
    * and fallback operations used.
-   * May be NULL.
+   * May be nullptr.
    */
   bool (*disable_otl) (const hb_ot_shape_plan_t *plan);
 
   /* reorder_marks()
    * Called during shape().
    * Shapers can use to modify ordering of combining marks.
-   * May be NULL.
+   * May be nullptr.
    */
   void (*reorder_marks) (const hb_ot_shape_plan_t *plan,
 			 hb_buffer_t              *buffer,
@@ -286,7 +286,7 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
 					      planner->map.script_index[0],
 					      planner->map.language_index[0],
 					      HB_TAG ('p','r','e','f'),
-					      NULL))
+					      nullptr))
 	return &_hb_ot_complex_shaper_indic;
       else
 	return &_hb_ot_complex_shaper_default;
diff --git a/src/hb-ot-shape-complex-thai.cc b/src/hb-ot-shape-complex-thai.cc
index 651c47f8f..58a0a41e3 100644
--- a/src/hb-ot-shape-complex-thai.cc
+++ b/src/hb-ot-shape-complex-thai.cc
@@ -97,7 +97,7 @@ thai_pua_shape (hb_codepoint_t u, thai_action_t action, hb_font_t *font)
     hb_codepoint_t u;
     hb_codepoint_t win_pua;
     hb_codepoint_t mac_pua;
-  } const *pua_mappings = NULL;
+  } const *pua_mappings = nullptr;
   static const thai_pua_mapping_t SD_mappings[] = {
     {0x0E48u, 0xF70Au, 0xF88Bu}, /* MAI EK */
     {0x0E49u, 0xF70Bu, 0xF88Eu}, /* MAI THO */
@@ -367,18 +367,18 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_thai =
 {
   "thai",
-  NULL, /* collect_features */
-  NULL, /* override_features */
-  NULL, /* data_create */
-  NULL, /* data_destroy */
+  nullptr, /* collect_features */
+  nullptr, /* override_features */
+  nullptr, /* data_create */
+  nullptr, /* data_destroy */
   preprocess_text_thai,
-  NULL, /* postprocess_glyphs */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
-  NULL, /* decompose */
-  NULL, /* compose */
-  NULL, /* setup_masks */
-  NULL, /* disable_otl */
-  NULL, /* reorder_marks */
+  nullptr, /* decompose */
+  nullptr, /* compose */
+  nullptr, /* setup_masks */
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   false,/* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-tibetan.cc b/src/hb-ot-shape-complex-tibetan.cc
index a85ac0f4b..e87f1a4e3 100644
--- a/src/hb-ot-shape-complex-tibetan.cc
+++ b/src/hb-ot-shape-complex-tibetan.cc
@@ -48,17 +48,17 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_tibetan =
 {
   "default",
   collect_features_tibetan,
-  NULL, /* override_features */
-  NULL, /* data_create */
-  NULL, /* data_destroy */
-  NULL, /* preprocess_text */
-  NULL, /* postprocess_glyphs */
+  nullptr, /* override_features */
+  nullptr, /* data_create */
+  nullptr, /* data_destroy */
+  nullptr, /* preprocess_text */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
-  NULL, /* decompose */
-  NULL, /* compose */
-  NULL, /* setup_masks */
-  NULL, /* disable_otl */
-  NULL, /* reorder_marks */
+  nullptr, /* decompose */
+  nullptr, /* compose */
+  nullptr, /* setup_masks */
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index 4bfbfb875..1f43ac7c2 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -144,7 +144,7 @@ collect_features_use (hb_ot_shape_planner_t *plan)
   /* "Topographical features" */
   for (unsigned int i = 0; i < ARRAY_LENGTH (arabic_features); i++)
     map->add_feature (arabic_features[i], 1, F_NONE);
-  map->add_gsub_pause (NULL);
+  map->add_gsub_pause (nullptr);
 
   /* "Standard typographic presentation" and "Positional feature application" */
   for (unsigned int i = 0; i < ARRAY_LENGTH (other_features); i++)
@@ -199,7 +199,7 @@ data_create_use (const hb_ot_shape_plan_t *plan)
 {
   use_shape_plan_t *use_plan = (use_shape_plan_t *) calloc (1, sizeof (use_shape_plan_t));
   if (unlikely (!use_plan))
-    return NULL;
+    return nullptr;
 
   use_plan->rphf_mask = plan->map.get_1_mask (HB_TAG('r','p','h','f'));
 
@@ -209,7 +209,7 @@ data_create_use (const hb_ot_shape_plan_t *plan)
     if (unlikely (!use_plan->arabic_plan))
     {
       free (use_plan);
-      return NULL;
+      return nullptr;
     }
   }
 
@@ -597,17 +597,17 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use =
 {
   "use",
   collect_features_use,
-  NULL, /* override_features */
+  nullptr, /* override_features */
   data_create_use,
   data_destroy_use,
-  NULL, /* preprocess_text */
-  NULL, /* postprocess_glyphs */
+  nullptr, /* preprocess_text */
+  nullptr, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   decompose_use,
   compose_use,
   setup_masks_use,
-  NULL, /* disable_otl */
-  NULL, /* reorder_marks */
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };
diff --git a/src/hb-ot-shape-private.hh b/src/hb-ot-shape-private.hh
index 594e54c02..d0fe9e6a9 100644
--- a/src/hb-ot-shape-private.hh
+++ b/src/hb-ot-shape-private.hh
@@ -73,7 +73,7 @@ struct hb_ot_shape_planner_t
   hb_ot_shape_planner_t (const hb_shape_plan_t *master_plan) :
 			 face (master_plan->face_unsafe),
 			 props (master_plan->props),
-			 shaper (NULL),
+			 shaper (nullptr),
 			 map (face, &props) {}
   ~hb_ot_shape_planner_t (void) { map.finish (); }
 
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 8fc9d464f..9d1d6f748 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -70,7 +70,7 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t          *planner,
   hb_ot_map_builder_t *map = &planner->map;
 
   map->add_global_bool_feature (HB_TAG('r','v','r','n'));
-  map->add_gsub_pause (NULL);
+  map->add_gsub_pause (nullptr);
 
   switch (props->direction) {
     case HB_DIRECTION_LTR:
@@ -176,7 +176,7 @@ _hb_ot_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan,
 {
   hb_ot_shape_plan_t *plan = (hb_ot_shape_plan_t *) calloc (1, sizeof (hb_ot_shape_plan_t));
   if (unlikely (!plan))
-    return NULL;
+    return nullptr;
 
   hb_ot_shape_planner_t planner (shape_plan);
 
@@ -190,7 +190,7 @@ _hb_ot_shaper_shape_plan_data_create (hb_shape_plan_t    *shape_plan,
   if (plan->shaper->data_create) {
     plan->data = plan->shaper->data_create (plan);
     if (unlikely (!plan->data))
-      return NULL;
+      return nullptr;
   }
 
   return plan;
@@ -928,7 +928,7 @@ hb_ot_shape_glyphs_closure (hb_font_t          *font,
 {
   hb_ot_shape_plan_t plan;
 
-  const char *shapers[] = {"ot", NULL};
+  const char *shapers[] = {"ot", nullptr};
   hb_shape_plan_t *shape_plan = hb_shape_plan_create_cached (font->face, &buffer->props,
 							     features, num_features, shapers);
 
diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 59b7d6a6d..64c6ce0a4 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -1020,7 +1020,7 @@ hb_ot_tag_to_language (hb_tag_t tag)
   unsigned int i;
 
   if (tag == HB_OT_TAG_DEFAULT_LANGUAGE)
-    return NULL;
+    return nullptr;
 
   /* struct LangTag has only room for 3-letter language tags. */
   switch (tag) {
diff --git a/src/hb-ot-var.cc b/src/hb-ot-var.cc
index 691196d9b..90ba0bd02 100644
--- a/src/hb-ot-var.cc
+++ b/src/hb-ot-var.cc
@@ -130,7 +130,7 @@ hb_ot_var_normalize_variations (hb_face_t            *face,
   for (unsigned int i = 0; i < variations_length; i++)
   {
     unsigned int axis_index;
-    if (hb_ot_var_find_axis (face, variations[i].tag, &axis_index, NULL) &&
+    if (hb_ot_var_find_axis (face, variations[i].tag, &axis_index, nullptr) &&
 	axis_index < coords_length)
       coords[axis_index] = fvar.normalize_axis_value (axis_index, variations[i].value);
   }
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 282c9fe51..9691b086d 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -200,13 +200,13 @@ private:
 #  if defined(_WIN32_WCE)
      /* Some things not defined on Windows CE. */
 #    define vsnprintf _vsnprintf
-#    define getenv(Name) NULL
+#    define getenv(Name) nullptr
 #    if _WIN32_WCE < 0x800
 #      define setlocale(Category, Locale) "C"
 static int errno = 0; /* Use something better? */
 #    endif
 #  elif defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
-#    define getenv(Name) NULL
+#    define getenv(Name) nullptr
 #  endif
 #  if defined(_MSC_VER) && _MSC_VER < 1900
 #    define snprintf _snprintf
@@ -241,11 +241,6 @@ static int errno = 0; /* Use something better? */
 
 /* Basics */
 
-
-#ifndef NULL
-# define NULL ((void *) 0)
-#endif
-
 #undef MIN
 template <typename Type>
 static inline Type MIN (const Type &a, const Type &b) { return a < b ? a : b; }
@@ -321,7 +316,7 @@ static_assert ((sizeof (hb_var_int_t) == 4), "");
 /* Void! */
 struct _hb_void_t {};
 typedef const _hb_void_t *hb_void_t;
-#define HB_VOID ((const _hb_void_t *) NULL)
+#define HB_VOID ((const _hb_void_t *) nullptr)
 
 /* Return the number of 1 bits in mask. */
 static inline HB_CONST_FUNC unsigned int
@@ -387,7 +382,7 @@ typedef int (*hb_compare_func_t) (const void *, const void *);
 /* arrays and maps */
 
 
-#define HB_PREALLOCED_ARRAY_INIT {0, 0, NULL}
+#define HB_PREALLOCED_ARRAY_INIT {0, 0, nullptr}
 template <typename Type, unsigned int StaticSize=16>
 struct hb_prealloced_array_t
 {
@@ -412,7 +407,7 @@ struct hb_prealloced_array_t
 
     /* Need to reallocate */
     unsigned int new_allocated = allocated + (allocated >> 1) + 8;
-    Type *new_array = NULL;
+    Type *new_array = nullptr;
 
     if (array == static_array) {
       new_array = (Type *) calloc (new_allocated, sizeof (Type));
@@ -426,7 +421,7 @@ struct hb_prealloced_array_t
     }
 
     if (unlikely (!new_array))
-      return NULL;
+      return nullptr;
 
     array = new_array;
     allocated = new_allocated;
@@ -459,14 +454,14 @@ struct hb_prealloced_array_t
     for (unsigned int i = 0; i < len; i++)
       if (array[i] == v)
 	return &array[i];
-    return NULL;
+    return nullptr;
   }
   template <typename T>
   inline const Type *find (T v) const {
     for (unsigned int i = 0; i < len; i++)
       if (array[i] == v)
 	return &array[i];
-    return NULL;
+    return nullptr;
   }
 
   inline void qsort (void)
@@ -494,7 +489,7 @@ struct hb_prealloced_array_t
   {
     if (array != static_array)
       free (array);
-    array = NULL;
+    array = nullptr;
     allocated = len = 0;
   }
 };
@@ -528,7 +523,7 @@ struct hb_lockable_set_t
 	old.finish ();
       }
       else {
-        item = NULL;
+        item = nullptr;
 	l.unlock ();
       }
     } else {
@@ -791,8 +786,8 @@ _hb_debug_msg<0> (const char *what HB_UNUSED,
 		  const char *message HB_UNUSED,
 		  ...) {}
 
-#define DEBUG_MSG_LEVEL(WHAT, OBJ, LEVEL, LEVEL_DIR, ...)	_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), NULL,    true, (LEVEL), (LEVEL_DIR), __VA_ARGS__)
-#define DEBUG_MSG(WHAT, OBJ, ...) 				_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), NULL,    false, 0, 0, __VA_ARGS__)
+#define DEBUG_MSG_LEVEL(WHAT, OBJ, LEVEL, LEVEL_DIR, ...)	_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), nullptr,    true, (LEVEL), (LEVEL_DIR), __VA_ARGS__)
+#define DEBUG_MSG(WHAT, OBJ, ...) 				_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), nullptr,    false, 0, 0, __VA_ARGS__)
 #define DEBUG_MSG_FUNC(WHAT, OBJ, ...)				_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), HB_FUNC, false, 0, 0, __VA_ARGS__)
 
 
@@ -851,7 +846,7 @@ struct hb_auto_trace_t {
   {
     _hb_warn_no_return<ret_t> (returned);
     if (!returned) {
-      _hb_debug_msg<max_level> (what, obj, NULL, true, plevel ? *plevel : 1, -1, " ");
+      _hb_debug_msg<max_level> (what, obj, nullptr, true, plevel ? *plevel : 1, -1, " ");
     }
     if (plevel) --*plevel;
   }
@@ -863,11 +858,11 @@ struct hb_auto_trace_t {
       return v;
     }
 
-    _hb_debug_msg<max_level> (what, obj, NULL, true, plevel ? *plevel : 1, -1,
+    _hb_debug_msg<max_level> (what, obj, nullptr, true, plevel ? *plevel : 1, -1,
 			      "return %s (line %d)",
 			      hb_printer_t<ret_t>().print (v), line);
     if (plevel) --*plevel;
-    plevel = NULL;
+    plevel = nullptr;
     returned = true;
     return v;
   }
@@ -989,7 +984,7 @@ hb_stable_sort (T *array, unsigned int len, int(*compar)(const T *, const T *),
 template <typename T> static inline void
 hb_stable_sort (T *array, unsigned int len, int(*compar)(const T *, const T *))
 {
-  hb_stable_sort (array, len, compar, (int *) NULL);
+  hb_stable_sort (array, len, compar, (int *) nullptr);
 }
 
 static inline hb_bool_t
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 8cd02fbcb..fb45df9ae 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -355,7 +355,7 @@ struct hb_frozen_set_t
   inline void init (const hb_set_t &set)
   {
     start = count = 0;
-    elts = NULL;
+    elts = nullptr;
 
     unsigned int max = set.get_max ();
     if (max == set.INVALID)
diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index 5573cd224..e58f9ff80 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -115,7 +115,7 @@ hb_shape_plan_create (hb_face_t                     *face,
 {
   return hb_shape_plan_create2 (face, props,
 				user_features, num_user_features,
-				NULL, 0,
+				nullptr, 0,
 				shaper_list);
 }
 
@@ -128,7 +128,7 @@ hb_shape_plan_create2 (hb_face_t                     *face,
 		       unsigned int                   num_coords,
 		       const char * const            *shaper_list)
 {
-  DEBUG_MSG_FUNC (SHAPE_PLAN, NULL,
+  DEBUG_MSG_FUNC (SHAPE_PLAN, nullptr,
 		  "face=%p num_features=%d num_coords=%d shaper_list=%p",
 		  face,
 		  num_user_features,
@@ -136,8 +136,8 @@ hb_shape_plan_create2 (hb_face_t                     *face,
 		  shaper_list);
 
   hb_shape_plan_t *shape_plan;
-  hb_feature_t *features = NULL;
-  int *coords = NULL;
+  hb_feature_t *features = nullptr;
+  int *coords = nullptr;
 
   if (unlikely (!face))
     face = hb_face_get_empty ();
@@ -196,16 +196,16 @@ hb_shape_plan_get_empty (void)
     HB_OBJECT_HEADER_STATIC,
 
     true, /* default_shaper_list */
-    NULL, /* face */
+    nullptr, /* face */
     HB_SEGMENT_PROPERTIES_DEFAULT, /* props */
 
-    NULL, /* shaper_func */
-    NULL, /* shaper_name */
+    nullptr, /* shaper_func */
+    nullptr, /* shaper_name */
 
-    NULL, /* user_features */
+    nullptr, /* user_features */
     0,    /* num_user_featurs */
 
-    NULL, /* coords */
+    nullptr, /* coords */
     0,    /* num_coords */
 
     {
@@ -470,7 +470,7 @@ hb_shape_plan_create_cached (hb_face_t                     *face,
 {
   return hb_shape_plan_create_cached2 (face, props,
 				       user_features, num_user_features,
-				       NULL, 0,
+				       nullptr, 0,
 				       shaper_list);
 }
 
@@ -483,7 +483,7 @@ hb_shape_plan_create_cached2 (hb_face_t                     *face,
 			      unsigned int                   num_coords,
 			      const char * const            *shaper_list)
 {
-  DEBUG_MSG_FUNC (SHAPE_PLAN, NULL,
+  DEBUG_MSG_FUNC (SHAPE_PLAN, nullptr,
 		  "face=%p num_features=%d shaper_list=%p",
 		  face,
 		  num_user_features,
@@ -494,7 +494,7 @@ hb_shape_plan_create_cached2 (hb_face_t                     *face,
     shaper_list,
     user_features,
     num_user_features,
-    NULL
+    nullptr
   };
 
   if (shaper_list) {
diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index f080a15e3..39355b337 100644
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -76,7 +76,7 @@ retry:
     /* Not found; allocate one. */
     shaper_list = (const char **) calloc (1 + HB_SHAPERS_COUNT, sizeof (const char *));
     if (unlikely (!shaper_list)) {
-      static const char *nil_shaper_list[] = {NULL};
+      static const char *nil_shaper_list[] = {nullptr};
       return nil_shaper_list;
     }
 
@@ -84,9 +84,9 @@ retry:
     unsigned int i;
     for (i = 0; i < HB_SHAPERS_COUNT; i++)
       shaper_list[i] = shapers[i].name;
-    shaper_list[i] = NULL;
+    shaper_list[i] = nullptr;
 
-    if (!hb_atomic_ptr_cmpexch (&static_shaper_list, NULL, shaper_list)) {
+    if (!hb_atomic_ptr_cmpexch (&static_shaper_list, nullptr, shaper_list)) {
       free (shaper_list);
       goto retry;
     }
@@ -157,5 +157,5 @@ hb_shape (hb_font_t           *font,
 	  const hb_feature_t  *features,
 	  unsigned int         num_features)
 {
-  hb_shape_full (font, buffer, features, num_features, NULL);
+  hb_shape_full (font, buffer, features, num_features, nullptr);
 }
diff --git a/src/hb-shaper-private.hh b/src/hb-shaper-private.hh
index 2481ef8ac..ce2d9f283 100644
--- a/src/hb-shaper-private.hh
+++ b/src/hb-shaper-private.hh
@@ -100,7 +100,7 @@ HB_SHAPER_DATA_ENSURE_FUNC(shaper, object) (hb_##object##_t *object) \
     /* Drop and recreate. */ \
     /* If someone dropped it in the mean time, throw it away and don't touch it. \
      * Otherwise, destruct it. */ \
-    if (hb_atomic_ptr_cmpexch (&HB_SHAPER_DATA (shaper, object), data, NULL)) { \
+    if (hb_atomic_ptr_cmpexch (&HB_SHAPER_DATA (shaper, object), data, nullptr)) { \
       HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (data); \
     } \
     goto retry; \
@@ -109,7 +109,7 @@ HB_SHAPER_DATA_ENSURE_FUNC(shaper, object) (hb_##object##_t *object) \
     data = HB_SHAPER_DATA_CREATE_FUNC (shaper, object) (object); \
     if (unlikely (!data)) \
       data = (HB_SHAPER_DATA_TYPE (shaper, object) *) HB_SHAPER_DATA_INVALID; \
-    if (!hb_atomic_ptr_cmpexch (&HB_SHAPER_DATA (shaper, object), NULL, data)) { \
+    if (!hb_atomic_ptr_cmpexch (&HB_SHAPER_DATA (shaper, object), nullptr, data)) { \
       if (data && \
 	  data != HB_SHAPER_DATA_INVALID && \
 	  data != HB_SHAPER_DATA_SUCCEEDED) \
@@ -117,7 +117,7 @@ HB_SHAPER_DATA_ENSURE_FUNC(shaper, object) (hb_##object##_t *object) \
       goto retry; \
     } \
   } \
-  return data != NULL && !HB_SHAPER_DATA_IS_INVALID (data); \
+  return data != nullptr && !HB_SHAPER_DATA_IS_INVALID (data); \
 }
 
 
diff --git a/src/hb-shaper.cc b/src/hb-shaper.cc
index b25566d8a..2c44cf265 100644
--- a/src/hb-shaper.cc
+++ b/src/hb-shaper.cc
@@ -59,14 +59,14 @@ retry:
   {
     char *env = getenv ("HB_SHAPER_LIST");
     if (!env || !*env) {
-      (void) hb_atomic_ptr_cmpexch (&static_shapers, NULL, &all_shapers[0]);
+      (void) hb_atomic_ptr_cmpexch (&static_shapers, nullptr, &all_shapers[0]);
       return (const hb_shaper_pair_t *) all_shapers;
     }
 
     /* Not found; allocate one. */
     shapers = (hb_shaper_pair_t *) calloc (1, sizeof (all_shapers));
     if (unlikely (!shapers)) {
-      (void) hb_atomic_ptr_cmpexch (&static_shapers, NULL, &all_shapers[0]);
+      (void) hb_atomic_ptr_cmpexch (&static_shapers, nullptr, &all_shapers[0]);
       return (const hb_shaper_pair_t *) all_shapers;
     }
 
@@ -97,7 +97,7 @@ retry:
 	p = end + 1;
     }
 
-    if (!hb_atomic_ptr_cmpexch (&static_shapers, NULL, shapers)) {
+    if (!hb_atomic_ptr_cmpexch (&static_shapers, nullptr, shapers)) {
       free (shapers);
       goto retry;
     }
diff --git a/src/hb-ucdn.cc b/src/hb-ucdn.cc
index d41cf5b93..c237ee825 100644
--- a/src/hb-ucdn.cc
+++ b/src/hb-ucdn.cc
@@ -238,7 +238,7 @@ hb_ucdn_get_unicode_funcs (void)
   static const hb_unicode_funcs_t _hb_ucdn_unicode_funcs = {
     HB_OBJECT_HEADER_STATIC,
 
-    NULL, /* parent */
+    nullptr, /* parent */
     true, /* immutable */
     {
 #define HB_UNICODE_FUNC_IMPLEMENT(name) hb_ucdn_##name,
diff --git a/src/hb-unicode.cc b/src/hb-unicode.cc
index d553a7172..726baeb0f 100644
--- a/src/hb-unicode.cc
+++ b/src/hb-unicode.cc
@@ -188,7 +188,7 @@ hb_unicode_funcs_create (hb_unicode_funcs_t *parent)
 const hb_unicode_funcs_t _hb_unicode_funcs_nil = {
   HB_OBJECT_HEADER_STATIC,
 
-  NULL, /* parent */
+  nullptr, /* parent */
   true, /* immutable */
   {
 #define HB_UNICODE_FUNC_IMPLEMENT(name) hb_unicode_##name##_nil,
@@ -365,7 +365,7 @@ hb_unicode_funcs_set_##name##_func (hb_unicode_funcs_t		   *ufuncs,	\
   } else {									\
     ufuncs->func.name = ufuncs->parent->func.name;				\
     ufuncs->user_data.name = ufuncs->parent->user_data.name;			\
-    ufuncs->destroy.name = NULL;						\
+    ufuncs->destroy.name = nullptr;						\
   }										\
 }
 
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 85991069d..b19c394b1 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -202,9 +202,9 @@ struct hb_uniscribe_shaper_funcs_t {
   inline void init (void)
   {
     HMODULE hinstLib;
-    this->ScriptItemizeOpenType = NULL;
-    this->ScriptShapeOpenType   = NULL;
-    this->ScriptPlaceOpenType   = NULL;
+    this->ScriptItemizeOpenType = nullptr;
+    this->ScriptShapeOpenType   = nullptr;
+    this->ScriptPlaceOpenType   = nullptr;
 
     hinstLib = GetModuleHandle (TEXT ("usp10.dll"));
     if (hinstLib)
@@ -217,7 +217,7 @@ struct hb_uniscribe_shaper_funcs_t {
 	!this->ScriptShapeOpenType   ||
 	!this->ScriptPlaceOpenType)
     {
-      DEBUG_MSG (UNISCRIBE, NULL, "OpenType versions of functions not found; falling back.");
+      DEBUG_MSG (UNISCRIBE, nullptr, "OpenType versions of functions not found; falling back.");
       this->ScriptItemizeOpenType = hb_ScriptItemizeOpenType;
       this->ScriptShapeOpenType   = hb_ScriptShapeOpenType;
       this->ScriptPlaceOpenType   = hb_ScriptPlaceOpenType;
@@ -242,11 +242,11 @@ retry:
   {
     funcs = (hb_uniscribe_shaper_funcs_t *) calloc (1, sizeof (hb_uniscribe_shaper_funcs_t));
     if (unlikely (!funcs))
-      return NULL;
+      return nullptr;
 
     funcs->init ();
 
-    if (!hb_atomic_ptr_cmpexch (&uniscribe_funcs, NULL, funcs)) {
+    if (!hb_atomic_ptr_cmpexch (&uniscribe_funcs, nullptr, funcs)) {
       free (funcs);
       goto retry;
     }
@@ -369,7 +369,7 @@ _hb_rename_font (hb_blob_t *blob, wchar_t *new_name)
   if (!new_sfnt_data)
   {
     hb_blob_destroy (blob);
-    return NULL;
+    return nullptr;
   }
 
   memcpy(new_sfnt_data, orig_sfnt_data, length);
@@ -417,7 +417,7 @@ _hb_rename_font (hb_blob_t *blob, wchar_t *new_name)
     {
       free (new_sfnt_data);
       hb_blob_destroy (blob);
-      return NULL;
+      return nullptr;
     }
   }
 
@@ -427,7 +427,7 @@ _hb_rename_font (hb_blob_t *blob, wchar_t *new_name)
 
   hb_blob_destroy (blob);
   return hb_blob_create ((const char *) new_sfnt_data, new_length,
-			 HB_MEMORY_MODE_WRITABLE, NULL, free);
+			 HB_MEMORY_MODE_WRITABLE, nullptr, free);
 }
 
 hb_uniscribe_shaper_face_data_t *
@@ -435,13 +435,13 @@ _hb_uniscribe_shaper_face_data_create (hb_face_t *face)
 {
   hb_uniscribe_shaper_face_data_t *data = (hb_uniscribe_shaper_face_data_t *) calloc (1, sizeof (hb_uniscribe_shaper_face_data_t));
   if (unlikely (!data))
-    return NULL;
+    return nullptr;
 
   data->funcs = hb_uniscribe_shaper_get_funcs ();
   if (unlikely (!data->funcs))
   {
     free (data);
-    return NULL;
+    return nullptr;
   }
 
   hb_blob_t *blob = hb_face_reference_blob (face);
@@ -452,18 +452,18 @@ _hb_uniscribe_shaper_face_data_create (hb_face_t *face)
   if (unlikely (!blob))
   {
     free (data);
-    return NULL;
+    return nullptr;
   }
 
   DWORD num_fonts_installed;
-  data->fh = AddFontMemResourceEx ((void *) hb_blob_get_data (blob, NULL),
+  data->fh = AddFontMemResourceEx ((void *) hb_blob_get_data (blob, nullptr),
 				   hb_blob_get_length (blob),
 				   0, &num_fonts_installed);
   if (unlikely (!data->fh))
   {
     DEBUG_MSG (UNISCRIBE, face, "Face AddFontMemResourceEx() failed");
     free (data);
-    return NULL;
+    return nullptr;
   }
 
   return data;
@@ -509,11 +509,11 @@ populate_log_font (LOGFONTW  *lf,
 hb_uniscribe_shaper_font_data_t *
 _hb_uniscribe_shaper_font_data_create (hb_font_t *font)
 {
-  if (unlikely (!hb_uniscribe_shaper_face_data_ensure (font->face))) return NULL;
+  if (unlikely (!hb_uniscribe_shaper_face_data_ensure (font->face))) return nullptr;
 
   hb_uniscribe_shaper_font_data_t *data = (hb_uniscribe_shaper_font_data_t *) calloc (1, sizeof (hb_uniscribe_shaper_font_data_t));
   if (unlikely (!data))
-    return NULL;
+    return nullptr;
 
   int font_size = font->face->get_upem (); /* Default... */
   /* No idea if the following is even a good idea. */
@@ -525,25 +525,25 @@ _hb_uniscribe_shaper_font_data_create (hb_font_t *font)
   data->x_mult = (double) font->x_scale / font_size;
   data->y_mult = (double) font->y_scale / font_size;
 
-  data->hdc = GetDC (NULL);
+  data->hdc = GetDC (nullptr);
 
   if (unlikely (!populate_log_font (&data->log_font, font, font_size))) {
     DEBUG_MSG (UNISCRIBE, font, "Font populate_log_font() failed");
     _hb_uniscribe_shaper_font_data_destroy (data);
-    return NULL;
+    return nullptr;
   }
 
   data->hfont = CreateFontIndirectW (&data->log_font);
   if (unlikely (!data->hfont)) {
     DEBUG_MSG (UNISCRIBE, font, "Font CreateFontIndirectW() failed");
     _hb_uniscribe_shaper_font_data_destroy (data);
-     return NULL;
+     return nullptr;
   }
 
   if (!SelectObject (data->hdc, data->hfont)) {
     DEBUG_MSG (UNISCRIBE, font, "Font SelectObject() failed");
     _hb_uniscribe_shaper_font_data_destroy (data);
-     return NULL;
+     return nullptr;
   }
 
   return data;
@@ -553,7 +553,7 @@ void
 _hb_uniscribe_shaper_font_data_destroy (hb_uniscribe_shaper_font_data_t *data)
 {
   if (data->hdc)
-    ReleaseDC (NULL, data->hdc);
+    ReleaseDC (nullptr, data->hdc);
   if (data->hfont)
     DeleteObject (data->hfont);
   if (data->script_cache)
@@ -564,7 +564,7 @@ _hb_uniscribe_shaper_font_data_destroy (hb_uniscribe_shaper_font_data_t *data)
 LOGFONTW *
 hb_uniscribe_font_get_logfontw (hb_font_t *font)
 {
-  if (unlikely (!hb_uniscribe_shaper_font_data_ensure (font))) return NULL;
+  if (unlikely (!hb_uniscribe_shaper_font_data_ensure (font))) return nullptr;
   hb_uniscribe_shaper_font_data_t *font_data =  HB_SHAPER_DATA_GET (font);
   return &font_data->log_font;
 }
@@ -572,7 +572,7 @@ hb_uniscribe_font_get_logfontw (hb_font_t *font)
 HFONT
 hb_uniscribe_font_get_hfont (hb_font_t *font)
 {
-  if (unlikely (!hb_uniscribe_shaper_font_data_ensure (font))) return NULL;
+  if (unlikely (!hb_uniscribe_shaper_font_data_ensure (font))) return nullptr;
   hb_uniscribe_shaper_font_data_t *font_data =  HB_SHAPER_DATA_GET (font);
   return font_data->hfont;
 }
@@ -738,7 +738,7 @@ _hb_uniscribe_shape (hb_shape_plan_t    *shape_plan,
 
 #define FAIL(...) \
   HB_STMT_START { \
-    DEBUG_MSG (UNISCRIBE, NULL, __VA_ARGS__); \
+    DEBUG_MSG (UNISCRIBE, nullptr, __VA_ARGS__); \
     return false; \
   } HB_STMT_END;
 
@@ -960,7 +960,7 @@ retry:
 				     /* out */
 				     advances + glyphs_offset,
 				     offsets + glyphs_offset,
-				     NULL);
+				     nullptr);
     if (unlikely (FAILED (hr)))
       FAIL ("ScriptPlaceOpenType() failed: 0x%08xL", hr);
 
diff --git a/src/main.cc b/src/main.cc
index f9708cc94..93c3b46af 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -47,11 +47,11 @@ main (int argc, char **argv)
     exit (1);
   }
 
-  const char *font_data = NULL;
+  const char *font_data = nullptr;
   int len = 0;
 
 #ifdef HAVE_GLIB
-  GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
+  GMappedFile *mf = g_mapped_file_new (argv[1], false, nullptr);
   font_data = g_mapped_file_get_contents (mf);
   len = g_mapped_file_get_length (mf);
 #else
diff --git a/src/test-buffer-serialize.cc b/src/test-buffer-serialize.cc
index 18c46e952..c52d88a0f 100644
--- a/src/test-buffer-serialize.cc
+++ b/src/test-buffer-serialize.cc
@@ -45,7 +45,7 @@
 int
 main (int argc, char **argv)
 {
-  hb_blob_t *blob = NULL;
+  hb_blob_t *blob = nullptr;
 
   if (argc != 2) {
     fprintf (stderr, "usage: %s font-file\n", argv[0]);
@@ -61,7 +61,7 @@ main (int argc, char **argv)
     hb_memory_mode_t mm;
 
 #ifdef HAVE_GLIB
-    GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
+    GMappedFile *mf = g_mapped_file_new (argv[1], false, nullptr);
     font_data = g_mapped_file_get_contents (mf);
     len = g_mapped_file_get_length (mf);
     destroy = (hb_destroy_func_t) g_mapped_file_unref;
@@ -86,7 +86,7 @@ main (int argc, char **argv)
 
   hb_face_t *face = hb_face_create (blob, 0 /* first face */);
   hb_blob_destroy (blob);
-  blob = NULL;
+  blob = nullptr;
 
   unsigned int upem = hb_face_get_upem (face);
   hb_font_t *font = hb_font_create (face);
@@ -115,7 +115,7 @@ main (int argc, char **argv)
       ret = false;
 
     hb_buffer_serialize_glyphs (buf, 0, hb_buffer_get_length (buf),
-				out, sizeof (out), NULL,
+				out, sizeof (out), nullptr,
 				font, HB_BUFFER_SERIALIZE_FORMAT_JSON,
 				HB_BUFFER_SERIALIZE_FLAG_DEFAULT);
     puts (out);
diff --git a/src/test-size-params.cc b/src/test-size-params.cc
index 35d9e3c8e..faa828051 100644
--- a/src/test-size-params.cc
+++ b/src/test-size-params.cc
@@ -43,7 +43,7 @@
 int
 main (int argc, char **argv)
 {
-  hb_blob_t *blob = NULL;
+  hb_blob_t *blob = nullptr;
 
   if (argc != 2) {
     fprintf (stderr, "usage: %s font-file\n", argv[0]);
@@ -59,7 +59,7 @@ main (int argc, char **argv)
     hb_memory_mode_t mm;
 
 #ifdef HAVE_GLIB
-    GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
+    GMappedFile *mf = g_mapped_file_new (argv[1], false, nullptr);
     font_data = g_mapped_file_get_contents (mf);
     len = g_mapped_file_get_length (mf);
     destroy = (hb_destroy_func_t) g_mapped_file_unref;
@@ -85,7 +85,7 @@ main (int argc, char **argv)
   /* Create the face */
   hb_face_t *face = hb_face_create (blob, 0 /* first face */);
   hb_blob_destroy (blob);
-  blob = NULL;
+  blob = nullptr;
 
   unsigned int p[5];
   bool ret = hb_ot_layout_get_size_params (face, p, p+1, p+2, p+3, p+4);
diff --git a/src/test-would-substitute.cc b/src/test-would-substitute.cc
index 8ea87cdf3..cad5b5a04 100644
--- a/src/test-would-substitute.cc
+++ b/src/test-would-substitute.cc
@@ -47,7 +47,7 @@
 int
 main (int argc, char **argv)
 {
-  hb_blob_t *blob = NULL;
+  hb_blob_t *blob = nullptr;
 
   if (argc != 4 && argc != 5) {
     fprintf (stderr, "usage: %s font-file lookup-index first-glyph [second-glyph]\n", argv[0]);
@@ -63,7 +63,7 @@ main (int argc, char **argv)
     hb_memory_mode_t mm;
 
 #ifdef HAVE_GLIB
-    GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
+    GMappedFile *mf = g_mapped_file_new (argv[1], false, nullptr);
     font_data = g_mapped_file_get_contents (mf);
     len = g_mapped_file_get_length (mf);
     destroy = (hb_destroy_func_t) g_mapped_file_unref;
@@ -89,7 +89,7 @@ main (int argc, char **argv)
   /* Create the face */
   hb_face_t *face = hb_face_create (blob, 0 /* first face */);
   hb_blob_destroy (blob);
-  blob = NULL;
+  blob = nullptr;
 
   hb_font_t *font = hb_font_create (face);
 #ifdef HAVE_FREETYPE
@@ -102,5 +102,5 @@ main (int argc, char **argv)
       (argc > 4 &&
        !hb_font_glyph_from_string (font, argv[4], -1, &glyphs[1])))
     return 2;
-  return !hb_ot_layout_lookup_would_substitute (face, strtol (argv[2], NULL, 0), glyphs, len, false);
+  return !hb_ot_layout_lookup_would_substitute (face, strtol (argv[2], nullptr, 0), glyphs, len, false);
 }
diff --git a/src/test.cc b/src/test.cc
index 0c90f8ff4..2c24fdac8 100644
--- a/src/test.cc
+++ b/src/test.cc
@@ -46,7 +46,7 @@
 int
 main (int argc, char **argv)
 {
-  hb_blob_t *blob = NULL;
+  hb_blob_t *blob = nullptr;
 
   if (argc != 2) {
     fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
@@ -62,7 +62,7 @@ main (int argc, char **argv)
     hb_memory_mode_t mm;
 
 #ifdef HAVE_GLIB
-    GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
+    GMappedFile *mf = g_mapped_file_new (argv[1], false, nullptr);
     font_data = g_mapped_file_get_contents (mf);
     len = g_mapped_file_get_length (mf);
     destroy = (hb_destroy_func_t) g_mapped_file_unref;
@@ -90,7 +90,7 @@ main (int argc, char **argv)
   /* Create the face */
   hb_face_t *face = hb_face_create (blob, 0 /* first face */);
   hb_blob_destroy (blob);
-  blob = NULL;
+  blob = nullptr;
   unsigned int upem = hb_face_get_upem (face);
 
   hb_font_t *font = hb_font_create (face);
@@ -105,11 +105,11 @@ main (int argc, char **argv)
   hb_buffer_add_utf8 (buffer, "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95", -1, 0, -1);
   hb_buffer_guess_segment_properties (buffer);
 
-  hb_shape (font, buffer, NULL, 0);
+  hb_shape (font, buffer, nullptr, 0);
 
   unsigned int count = hb_buffer_get_length (buffer);
-  hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL);
-  hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL);
+  hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, nullptr);
+  hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, nullptr);
 
   for (unsigned int i = 0; i < count; i++)
   {
diff --git a/util/ansi-print.cc b/util/ansi-print.cc
index e0ce7b356..0daee1f02 100644
--- a/util/ansi-print.cc
+++ b/util/ansi-print.cc
@@ -353,7 +353,7 @@ block_best (const biimage_t &bi, bool *inverse)
 	} else
 	  qs += quad[i][j];
     if (qs < score) {
-      const char *c = NULL;
+      const char *c = nullptr;
       bool inv = false;
       switch (q) {
 	case 1:  c = "▟"; inv = true;  break;
diff --git a/util/hb-fc.cc b/util/hb-fc.cc
index e99b1aefc..cb899914c 100644
--- a/util/hb-fc.cc
+++ b/util/hb-fc.cc
@@ -82,7 +82,7 @@ _hb_fc_get_font_funcs (void)
   {
     hb_font_funcs_t *newfuncs = hb_font_funcs_create ();
 
-    hb_font_funcs_set_glyph_func (newfuncs, hb_fc_get_glyph, NULL, NULL);
+    hb_font_funcs_set_glyph_func (newfuncs, hb_fc_get_glyph, nullptr, nullptr);
 
     /* XXX MT-unsafe */
     if (fc_ffuncs)
@@ -121,7 +121,7 @@ hb_fc_font_create (FcPattern *fcfont)
 hb_bool_t
 hb_fc_can_render (hb_font_t *font, const char *text)
 {
-  static const char *ot[] = {"ot", NULL};
+  static const char *ot[] = {"ot", nullptr};
 
   hb_buffer_t *buffer = hb_buffer_create ();
   hb_buffer_add_utf8 (buffer, text, -1, 0, -1);
@@ -132,7 +132,7 @@ hb_fc_can_render (hb_font_t *font, const char *text)
    * Might be better to force generic shaper perhaps. */
   hb_buffer_guess_segment_properties (buffer);
 
-  if (!hb_shape_full (font, buffer, NULL, 0, ot))
+  if (!hb_shape_full (font, buffer, nullptr, 0, ot))
     abort (); /* hb-ot shaper not enabled? */
 
   unsigned int len;
diff --git a/util/hb-ot-shape-closure.cc b/util/hb-ot-shape-closure.cc
index be71a893e..77ca20135 100644
--- a/util/hb-ot-shape-closure.cc
+++ b/util/hb-ot-shape-closure.cc
@@ -43,8 +43,8 @@ struct shape_closure_consumer_t : option_group_t
   {
     GOptionEntry entries[] =
     {
-      {"no-glyph-names",	0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE,	&this->show_glyph_names,	"Use glyph indices instead of names",	NULL},
-      {NULL}
+      {"no-glyph-names",	0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE,	&this->show_glyph_names,	"Use glyph indices instead of names",	nullptr},
+      {nullptr}
     };
     parser->add_group (entries,
 		       "format",
@@ -93,11 +93,11 @@ struct shape_closure_consumer_t : option_group_t
   {
     printf ("\n");
     hb_font_destroy (font);
-    font = NULL;
+    font = nullptr;
     hb_set_destroy (glyphs);
-    glyphs = NULL;
+    glyphs = nullptr;
     hb_buffer_destroy (buffer);
-    buffer = NULL;
+    buffer = nullptr;
   }
 
   bool failed;
diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index 84931daf3..dc9f446bc 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -33,16 +33,16 @@ struct output_buffer_t
   output_buffer_t (option_parser_t *parser)
 		  : options (parser, hb_buffer_serialize_list_formats ()),
 		    format (parser),
-		    gs (NULL),
+		    gs (nullptr),
 		    line_no (0),
-		    font (NULL),
+		    font (nullptr),
 		    output_format (HB_BUFFER_SERIALIZE_FORMAT_INVALID),
 		    format_flags (HB_BUFFER_SERIALIZE_FLAG_DEFAULT) {}
 
   void init (hb_buffer_t *buffer, const font_options_t *font_opts)
   {
     options.get_file_handle ();
-    gs = g_string_new (NULL);
+    gs = g_string_new (nullptr);
     line_no = 0;
     font = hb_font_reference (font_opts->get_font ());
 
@@ -79,7 +79,7 @@ struct output_buffer_t
     format_flags = (hb_buffer_serialize_flags_t) flags;
 
     if (format.trace)
-      hb_buffer_set_message_func (buffer, message_func, this, NULL);
+      hb_buffer_set_message_func (buffer, message_func, this, nullptr);
   }
   void new_line (void)
   {
@@ -112,11 +112,11 @@ struct output_buffer_t
   }
   void finish (hb_buffer_t *buffer, const font_options_t *font_opts)
   {
-    hb_buffer_set_message_func (buffer, NULL, NULL, NULL);
+    hb_buffer_set_message_func (buffer, nullptr, nullptr, nullptr);
     hb_font_destroy (font);
     g_string_free (gs, true);
-    gs = NULL;
-    font = NULL;
+    gs = nullptr;
+    font = nullptr;
   }
 
   static hb_bool_t
diff --git a/util/helper-cairo.cc b/util/helper-cairo.cc
index 2e2952b28..aac4171a6 100644
--- a/util/helper-cairo.cc
+++ b/util/helper-cairo.cc
@@ -79,7 +79,7 @@ helper_cairo_create_scaled_font (const font_options_t *font_opts)
   /* We cannot use the FT_Face from hb_font_t, as doing so will confuse hb_font_t because
    * cairo will reset the face size.  As such, create new face...
    * TODO Perhaps add API to hb-ft to encapsulate this code. */
-  FT_Face ft_face = NULL;//hb_ft_font_get_face (font);
+  FT_Face ft_face = nullptr;//hb_ft_font_get_face (font);
   if (!ft_face)
   {
     if (!ft_library)
@@ -325,7 +325,7 @@ const char *helper_cairo_supported_formats[] =
     "eps",
    #endif
   #endif
-  NULL
+  nullptr
 };
 
 cairo_t *
@@ -337,12 +337,12 @@ helper_cairo_create_context (double w, double h,
   cairo_surface_t *(*constructor) (cairo_write_func_t write_func,
 				   void *closure,
 				   double width,
-				   double height) = NULL;
+				   double height) = nullptr;
   cairo_surface_t *(*constructor2) (cairo_write_func_t write_func,
 				    void *closure,
 				    double width,
 				    double height,
-				    cairo_content_t content) = NULL;
+				    cairo_content_t content) = nullptr;
 
   const char *extension = out_opts->output_format;
   if (!extension) {
@@ -471,8 +471,8 @@ helper_cairo_line_from_buffer (helper_cairo_line_t *l,
   memset (l, 0, sizeof (*l));
 
   l->num_glyphs = hb_buffer_get_length (buffer);
-  hb_glyph_info_t *hb_glyph = hb_buffer_get_glyph_infos (buffer, NULL);
-  hb_glyph_position_t *hb_position = hb_buffer_get_glyph_positions (buffer, NULL);
+  hb_glyph_info_t *hb_glyph = hb_buffer_get_glyph_infos (buffer, nullptr);
+  hb_glyph_position_t *hb_position = hb_buffer_get_glyph_positions (buffer, nullptr);
   l->glyphs = cairo_glyph_allocate (l->num_glyphs + 1);
 
   if (text) {
diff --git a/util/main-font-text.hh b/util/main-font-text.hh
index 51f162785..53478e756 100644
--- a/util/main-font-text.hh
+++ b/util/main-font-text.hh
@@ -35,9 +35,9 @@ static char *
 locale_to_utf8 (char *s)
 {
   char *t;
-  GError *error = NULL;
+  GError *error = nullptr;
 
-  t = g_locale_to_utf8 (s, -1, NULL, NULL, &error);
+  t = g_locale_to_utf8 (s, -1, nullptr, nullptr, &error);
   if (!t)
   {
      fail (true, "Failed converting text to UTF-8");
diff --git a/util/options.cc b/util/options.cc
index 5b0fb14fe..263d47769 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -70,7 +70,7 @@ hb_bool_t debug = false;
 static gchar *
 shapers_to_string (void)
 {
-  GString *shapers = g_string_new (NULL);
+  GString *shapers = g_string_new (nullptr);
   const char **shaper_list = hb_shape_list_shapers ();
 
   for (; *shaper_list; shaper_list++) {
@@ -106,11 +106,11 @@ option_parser_t::add_main_options (void)
   GOptionEntry entries[] =
   {
     {"version",		0, G_OPTION_FLAG_NO_ARG,
-			      G_OPTION_ARG_CALLBACK,	(gpointer) &show_version,	"Show version numbers",			NULL},
-    {"debug",		0, 0, G_OPTION_ARG_NONE,	&debug,				"Free all resources before exit",	NULL},
-    {NULL}
+			      G_OPTION_ARG_CALLBACK,	(gpointer) &show_version,	"Show version numbers",			nullptr},
+    {"debug",		0, 0, G_OPTION_ARG_NONE,	&debug,				"Free all resources before exit",	nullptr},
+    {nullptr}
   };
-  g_option_context_add_main_entries (context, entries, NULL);
+  g_option_context_add_main_entries (context, entries, nullptr);
 }
 
 static gboolean
@@ -121,7 +121,7 @@ pre_parse (GOptionContext *context G_GNUC_UNUSED,
 {
   option_group_t *option_group = (option_group_t *) data;
   option_group->pre_parse (error);
-  return *error == NULL;
+  return *error == nullptr;
 }
 
 static gboolean
@@ -132,7 +132,7 @@ post_parse (GOptionContext *context G_GNUC_UNUSED,
 {
   option_group_t *option_group = static_cast<option_group_t *>(data);
   option_group->post_parse (error);
-  return *error == NULL;
+  return *error == nullptr;
 }
 
 void
@@ -143,7 +143,7 @@ option_parser_t::add_group (GOptionEntry   *entries,
 			    option_group_t *option_group)
 {
   GOptionGroup *group = g_option_group_new (name, description, help_description,
-					    static_cast<gpointer>(option_group), NULL);
+					    static_cast<gpointer>(option_group), nullptr);
   g_option_group_add_entries (group, entries);
   g_option_group_set_parse_hooks (group, pre_parse, post_parse);
   g_option_context_add_group (context, group);
@@ -154,10 +154,10 @@ option_parser_t::parse (int *argc, char ***argv)
 {
   setlocale (LC_ALL, "");
 
-  GError *parse_error = NULL;
+  GError *parse_error = nullptr;
   if (!g_option_context_parse (context, argc, argv, &parse_error))
   {
-    if (parse_error != NULL) {
+    if (parse_error != nullptr) {
       fail (true, "%s", parse_error->message);
       //g_error_free (parse_error);
     } else
@@ -225,7 +225,7 @@ parse_features (const char *name G_GNUC_UNUSED,
 
   shape_opts->num_features = 0;
   g_free (shape_opts->features);
-  shape_opts->features = NULL;
+  shape_opts->features = nullptr;
 
   if (!*s)
     return true;
@@ -250,7 +250,7 @@ parse_features (const char *name G_GNUC_UNUSED,
     char *end = strchr (p, ',');
     if (hb_feature_from_string (p, end ? end - p : -1, &shape_opts->features[shape_opts->num_features]))
       shape_opts->num_features++;
-    p = end ? end + 1 : NULL;
+    p = end ? end + 1 : nullptr;
   }
 
   return true;
@@ -268,7 +268,7 @@ parse_variations (const char *name G_GNUC_UNUSED,
 
   font_opts->num_variations = 0;
   g_free (font_opts->variations);
-  font_opts->variations = NULL;
+  font_opts->variations = nullptr;
 
   if (!*s)
     return true;
@@ -293,7 +293,7 @@ parse_variations (const char *name G_GNUC_UNUSED,
     char *end = strchr (p, ',');
     if (hb_variation_from_string (p, end ? end - p : -1, &font_opts->variations[font_opts->num_variations]))
       font_opts->num_variations++;
-    p = end ? end + 1 : NULL;
+    p = end ? end + 1 : nullptr;
   }
 
   return true;
@@ -334,7 +334,7 @@ parse_unicodes (const char *name G_GNUC_UNUSED,
     return false;
   }
 
-  GString *gs = g_string_new (NULL);
+  GString *gs = g_string_new (nullptr);
   char *s = (char *) arg;
   char *p;
 
@@ -367,12 +367,12 @@ view_options_t::add_options (option_parser_t *parser)
 {
   GOptionEntry entries[] =
   {
-    {"annotate",	0, 0, G_OPTION_ARG_NONE,	&this->annotate,		"Annotate output rendering",				NULL},
+    {"annotate",	0, 0, G_OPTION_ARG_NONE,	&this->annotate,		"Annotate output rendering",				nullptr},
     {"background",	0, 0, G_OPTION_ARG_STRING,	&this->back,			"Set background color (default: " DEFAULT_BACK ")",	"rrggbb/rrggbbaa"},
     {"foreground",	0, 0, G_OPTION_ARG_STRING,	&this->fore,			"Set foreground color (default: " DEFAULT_FORE ")",	"rrggbb/rrggbbaa"},
     {"line-space",	0, 0, G_OPTION_ARG_DOUBLE,	&this->line_space,		"Set space between lines (default: 0)",			"units"},
     {"margin",		0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_margin,	"Margin around output (default: " G_STRINGIFY(DEFAULT_MARGIN) ")","one to four numbers"},
-    {NULL}
+    {nullptr}
   };
   parser->add_group (entries,
 		     "view",
@@ -387,22 +387,22 @@ shape_options_t::add_options (option_parser_t *parser)
   GOptionEntry entries[] =
   {
     {"list-shapers",	0, G_OPTION_FLAG_NO_ARG,
-			      G_OPTION_ARG_CALLBACK,	(gpointer) &list_shapers,	"List available shapers and quit",	NULL},
+			      G_OPTION_ARG_CALLBACK,	(gpointer) &list_shapers,	"List available shapers and quit",	nullptr},
     {"shaper",		0, G_OPTION_FLAG_HIDDEN,
-			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_shapers,	"Hidden duplicate of --shapers",	NULL},
+			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_shapers,	"Hidden duplicate of --shapers",	nullptr},
     {"shapers",		0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_shapers,	"Set comma-separated list of shapers to try","list"},
     {"direction",	0, 0, G_OPTION_ARG_STRING,	&this->direction,		"Set text direction (default: auto)",	"ltr/rtl/ttb/btt"},
     {"language",	0, 0, G_OPTION_ARG_STRING,	&this->language,		"Set text language (default: $LANG)",	"langstr"},
     {"script",		0, 0, G_OPTION_ARG_STRING,	&this->script,			"Set text script (default: auto)",	"ISO-15924 tag"},
-    {"bot",		0, 0, G_OPTION_ARG_NONE,	&this->bot,			"Treat text as beginning-of-paragraph",	NULL},
-    {"eot",		0, 0, G_OPTION_ARG_NONE,	&this->eot,			"Treat text as end-of-paragraph",	NULL},
-    {"preserve-default-ignorables",0, 0, G_OPTION_ARG_NONE,	&this->preserve_default_ignorables,	"Preserve Default-Ignorable characters",	NULL},
-    {"utf8-clusters",	0, 0, G_OPTION_ARG_NONE,	&this->utf8_clusters,		"Use UTF8 byte indices, not char indices",	NULL},
+    {"bot",		0, 0, G_OPTION_ARG_NONE,	&this->bot,			"Treat text as beginning-of-paragraph",	nullptr},
+    {"eot",		0, 0, G_OPTION_ARG_NONE,	&this->eot,			"Treat text as end-of-paragraph",	nullptr},
+    {"preserve-default-ignorables",0, 0, G_OPTION_ARG_NONE,	&this->preserve_default_ignorables,	"Preserve Default-Ignorable characters",	nullptr},
+    {"utf8-clusters",	0, 0, G_OPTION_ARG_NONE,	&this->utf8_clusters,		"Use UTF8 byte indices, not char indices",	nullptr},
     {"cluster-level",	0, 0, G_OPTION_ARG_INT,		&this->cluster_level,		"Cluster merging level (default: 0)",	"0/1/2"},
-    {"normalize-glyphs",0, 0, G_OPTION_ARG_NONE,	&this->normalize_glyphs,	"Rearrange glyph clusters in nominal order",	NULL},
-    {"verify",		0, 0, G_OPTION_ARG_NONE,	&this->verify,			"Perform sanity checks on shaping results",	NULL},
+    {"normalize-glyphs",0, 0, G_OPTION_ARG_NONE,	&this->normalize_glyphs,	"Rearrange glyph clusters in nominal order",	nullptr},
+    {"verify",		0, 0, G_OPTION_ARG_NONE,	&this->verify,			"Perform sanity checks on shaping results",	nullptr},
     {"num-iterations",	0, 0, G_OPTION_ARG_INT,		&this->num_iterations,		"Run shaper N times (default: 1)",	"N"},
-    {NULL}
+    {nullptr}
   };
   parser->add_group (entries,
 		     "shape",
@@ -449,7 +449,7 @@ shape_options_t::add_options (option_parser_t *parser)
   GOptionEntry entries2[] =
   {
     {"features",	0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_features,	features_help,	"list"},
-    {NULL}
+    {nullptr}
   };
   parser->add_group (entries2,
 		     "features",
@@ -483,12 +483,12 @@ parse_font_size (const char *name G_GNUC_UNUSED,
 void
 font_options_t::add_options (option_parser_t *parser)
 {
-  char *text = NULL;
+  char *text = nullptr;
 
   {
     static_assert ((ARRAY_LENGTH_CONST (supported_font_funcs) > 0),
 		   "No supported font-funcs found.");
-    GString *s = g_string_new (NULL);
+    GString *s = g_string_new (nullptr);
     g_string_printf (s, "Set font functions implementation to use (default: %s)\n\n    Supported font function implementations are: %s",
 		     supported_font_funcs[0].name,
 		     supported_font_funcs[0].name);
@@ -517,7 +517,7 @@ font_options_t::add_options (option_parser_t *parser)
     {"font-size",	0, default_font_size ? 0 : G_OPTION_FLAG_HIDDEN,
 			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_font_size,	font_size_text,				"1/2 numbers or 'upem'"},
     {"font-funcs",	0, 0, G_OPTION_ARG_STRING,	&this->font_funcs,		text,					"impl"},
-    {NULL}
+    {nullptr}
   };
   parser->add_group (entries,
 		     "font",
@@ -540,7 +540,7 @@ font_options_t::add_options (option_parser_t *parser)
   GOptionEntry entries2[] =
   {
     {"variations",	0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_variations,	variations_help,	"list"},
-    {NULL}
+    {nullptr}
   };
   parser->add_group (entries2,
 		     "variations",
@@ -559,7 +559,7 @@ text_options_t::add_options (option_parser_t *parser)
     {"unicodes",      'u', 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_unicodes,		"Set input Unicode codepoints",		"list of hex numbers"},
     {"text-before",	0, 0, G_OPTION_ARG_STRING,	&this->text_before,		"Set text context before each line",	"string"},
     {"text-after",	0, 0, G_OPTION_ARG_STRING,	&this->text_after,		"Set text context after each line",	"string"},
-    {NULL}
+    {nullptr}
   };
   parser->add_group (entries,
 		     "text",
@@ -573,7 +573,7 @@ output_options_t::add_options (option_parser_t *parser)
 {
   const char *text;
 
-  if (NULL == supported_formats)
+  if (nullptr == supported_formats)
     text = "Set output serialization format";
   else
   {
@@ -587,7 +587,7 @@ output_options_t::add_options (option_parser_t *parser)
   {
     {"output-file",   'o', 0, G_OPTION_ARG_STRING,	&this->output_file,		"Set output file-name (default: stdout)","filename"},
     {"output-format", 'O', 0, G_OPTION_ARG_STRING,	&this->output_format,		text,					"format"},
-    {NULL}
+    {nullptr}
   };
   parser->add_group (entries,
 		     "output",
@@ -604,7 +604,7 @@ font_options_t::get_font (void) const
   if (font)
     return font;
 
-  hb_blob_t *blob = NULL;
+  hb_blob_t *blob = nullptr;
 
   /* Create the blob */
   {
@@ -620,7 +620,7 @@ font_options_t::get_font (void) const
 
     if (0 == strcmp (font_file, "-")) {
       /* read it */
-      GString *gs = g_string_new (NULL);
+      GString *gs = g_string_new (nullptr);
       char buf[BUFSIZ];
 #if defined(_WIN32) || defined(__CYGWIN__)
       setmode (fileno (stdin), O_BINARY);
@@ -638,7 +638,7 @@ font_options_t::get_font (void) const
       destroy = (hb_destroy_func_t) g_free;
       mm = HB_MEMORY_MODE_WRITABLE;
     } else {
-      GError *error = NULL;
+      GError *error = nullptr;
       GMappedFile *mf = g_mapped_file_new (font_file, false, &error);
       if (mf) {
 	font_data = g_mapped_file_get_contents (mf);
@@ -657,7 +657,7 @@ font_options_t::get_font (void) const
 	/* GMappedFile is buggy, it doesn't fail if file isn't regular.
 	 * Try reading.
 	 * https://bugzilla.gnome.org/show_bug.cgi?id=659212 */
-        GError *error = NULL;
+        GError *error = nullptr;
 	gsize l;
 	if (g_file_get_contents (font_file, &font_data, &l, &error)) {
 	  len = l;
@@ -696,7 +696,7 @@ font_options_t::get_font (void) const
 
   hb_font_set_variations (font, variations, num_variations);
 
-  void (*set_font_funcs) (hb_font_t *) = NULL;
+  void (*set_font_funcs) (hb_font_t *) = nullptr;
   if (!font_funcs)
   {
     set_font_funcs = supported_font_funcs[0].func;
@@ -711,7 +711,7 @@ font_options_t::get_font (void) const
       }
     if (!set_font_funcs)
     {
-      GString *s = g_string_new (NULL);
+      GString *s = g_string_new (nullptr);
       for (unsigned int i = 0; i < ARRAY_LENGTH (supported_font_funcs); i++)
       {
         if (i)
@@ -742,7 +742,7 @@ text_options_t::get_line (unsigned int *len)
 
     if (!line_len) {
       *len = 0;
-      return NULL;
+      return nullptr;
     }
 
     const char *ret = line;
@@ -775,7 +775,7 @@ text_options_t::get_line (unsigned int *len)
       fail (false, "Failed opening text file `%s': %s",
 	    text_file, strerror (errno));
 
-    gs = g_string_new (NULL);
+    gs = g_string_new (nullptr);
   }
 
   g_string_set_size (gs, 0);
@@ -793,7 +793,7 @@ text_options_t::get_line (unsigned int *len)
     fail (false, "Failed reading text: %s",
 	  strerror (errno));
   *len = gs->len;
-  return !*len && feof (fp) ? NULL : gs->str;
+  return !*len && feof (fp) ? nullptr : gs->str;
 }
 
 
@@ -834,21 +834,21 @@ format_options_t::add_options (option_parser_t *parser)
 {
   GOptionEntry entries[] =
   {
-    {"show-text",	0, 0, G_OPTION_ARG_NONE,	&this->show_text,		"Prefix each line of output with its corresponding input text",		NULL},
-    {"show-unicode",	0, 0, G_OPTION_ARG_NONE,	&this->show_unicode,		"Prefix each line of output with its corresponding input codepoint(s)",	NULL},
-    {"show-line-num",	0, 0, G_OPTION_ARG_NONE,	&this->show_line_num,		"Prefix each line of output with its corresponding input line number",	NULL},
+    {"show-text",	0, 0, G_OPTION_ARG_NONE,	&this->show_text,		"Prefix each line of output with its corresponding input text",		nullptr},
+    {"show-unicode",	0, 0, G_OPTION_ARG_NONE,	&this->show_unicode,		"Prefix each line of output with its corresponding input codepoint(s)",	nullptr},
+    {"show-line-num",	0, 0, G_OPTION_ARG_NONE,	&this->show_line_num,		"Prefix each line of output with its corresponding input line number",	nullptr},
     {"verbose",	      'v', G_OPTION_FLAG_NO_ARG,
-			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_verbose,	"Prefix each line of output with all of the above",			NULL},
+			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_verbose,	"Prefix each line of output with all of the above",			nullptr},
     {"no-glyph-names",	0, G_OPTION_FLAG_REVERSE,
-			      G_OPTION_ARG_NONE,	&this->show_glyph_names,	"Output glyph indices instead of names",				NULL},
+			      G_OPTION_ARG_NONE,	&this->show_glyph_names,	"Output glyph indices instead of names",				nullptr},
     {"no-positions",	0, G_OPTION_FLAG_REVERSE,
-			      G_OPTION_ARG_NONE,	&this->show_positions,		"Do not output glyph positions",					NULL},
+			      G_OPTION_ARG_NONE,	&this->show_positions,		"Do not output glyph positions",					nullptr},
     {"no-clusters",	0, G_OPTION_FLAG_REVERSE,
-			      G_OPTION_ARG_NONE,	&this->show_clusters,		"Do not output cluster indices",					NULL},
-    {"show-extents",	0, 0, G_OPTION_ARG_NONE,	&this->show_extents,		"Output glyph extents",							NULL},
-    {"show-flags",	0, 0, G_OPTION_ARG_NONE,	&this->show_flags,		"Output glyph flags",							NULL},
-    {"trace",	      'V', 0, G_OPTION_ARG_NONE,	&this->trace,			"Output interim shaping results",					NULL},
-    {NULL}
+			      G_OPTION_ARG_NONE,	&this->show_clusters,		"Do not output cluster indices",					nullptr},
+    {"show-extents",	0, 0, G_OPTION_ARG_NONE,	&this->show_extents,		"Output glyph extents",							nullptr},
+    {"show-flags",	0, 0, G_OPTION_ARG_NONE,	&this->show_flags,		"Output glyph flags",							nullptr},
+    {"trace",	      'V', 0, G_OPTION_ARG_NONE,	&this->trace,			"Output interim shaping results",					nullptr},
+    {nullptr}
   };
   parser->add_group (entries,
 		     "output-syntax",
@@ -865,7 +865,7 @@ format_options_t::serialize_unicode (hb_buffer_t *buffer,
 				     GString     *gs)
 {
   unsigned int num_glyphs = hb_buffer_get_length (buffer);
-  hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
+  hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr);
 
   g_string_append_c (gs, '<');
   for (unsigned int i = 0; i < num_glyphs; i++)
diff --git a/util/options.hh b/util/options.hh
index 60fc63345..c2f37dcaf 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -90,7 +90,7 @@ struct option_parser_t
   }
   ~option_parser_t (void) {
     g_option_context_free (context);
-    g_ptr_array_foreach (to_free, (GFunc) g_free, NULL);
+    g_ptr_array_foreach (to_free, (GFunc) g_free, nullptr);
     g_ptr_array_free (to_free, TRUE);
   }
 
@@ -130,8 +130,8 @@ struct view_options_t : option_group_t
 {
   view_options_t (option_parser_t *parser) {
     annotate = false;
-    fore = NULL;
-    back = NULL;
+    fore = nullptr;
+    back = nullptr;
     line_space = 0;
     margin.t = margin.r = margin.b = margin.l = DEFAULT_MARGIN;
 
@@ -159,11 +159,11 @@ struct shape_options_t : option_group_t
 {
   shape_options_t (option_parser_t *parser)
   {
-    direction = language = script = NULL;
+    direction = language = script = nullptr;
     bot = eot = preserve_default_ignorables = false;
-    features = NULL;
+    features = nullptr;
     num_features = 0;
-    shapers = NULL;
+    shapers = nullptr;
     utf8_clusters = false;
     cluster_level = HB_BUFFER_CLUSTER_LEVEL_DEFAULT;
     normalize_glyphs = false;
@@ -222,7 +222,7 @@ struct shape_options_t : option_group_t
       /* Reset cluster values to refer to Unicode character index
        * instead of UTF-8 index. */
       unsigned int num_glyphs = hb_buffer_get_length (buffer);
-      hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
+      hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr);
       for (unsigned int i = 0; i < num_glyphs; i++)
       {
 	info->cluster = i;
@@ -233,9 +233,9 @@ struct shape_options_t : option_group_t
     setup_buffer (buffer);
   }
 
-  hb_bool_t shape (hb_font_t *font, hb_buffer_t *buffer, const char **error=NULL)
+  hb_bool_t shape (hb_font_t *font, hb_buffer_t *buffer, const char **error=nullptr)
   {
-    hb_buffer_t *text_buffer = NULL;
+    hb_buffer_t *text_buffer = nullptr;
     if (verify)
     {
       text_buffer = hb_buffer_create ();
@@ -264,7 +264,7 @@ struct shape_options_t : option_group_t
   bool verify_buffer (hb_buffer_t  *buffer,
 		      hb_buffer_t  *text_buffer,
 		      hb_font_t    *font,
-		      const char  **error=NULL)
+		      const char  **error=nullptr)
   {
     if (!verify_buffer_monotone (buffer, error))
       return false;
@@ -273,7 +273,7 @@ struct shape_options_t : option_group_t
     return true;
   }
 
-  bool verify_buffer_monotone (hb_buffer_t *buffer, const char **error=NULL)
+  bool verify_buffer_monotone (hb_buffer_t *buffer, const char **error=nullptr)
   {
     /* Check that clusters are monotone. */
     if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES ||
@@ -300,7 +300,7 @@ struct shape_options_t : option_group_t
   bool verify_buffer_safe_to_break (hb_buffer_t  *buffer,
 				    hb_buffer_t  *text_buffer,
 				    hb_font_t    *font,
-				    const char  **error=NULL)
+				    const char  **error=nullptr)
   {
     if (cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES &&
 	cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
@@ -448,16 +448,16 @@ struct font_options_t : option_group_t
 		  int default_font_size_,
 		  unsigned int subpixel_bits_)
   {
-    variations = NULL;
+    variations = nullptr;
     num_variations = 0;
     default_font_size = default_font_size_;
     subpixel_bits = subpixel_bits_;
-    font_file = NULL;
+    font_file = nullptr;
     face_index = 0;
     font_size_x = font_size_y = default_font_size;
-    font_funcs = NULL;
+    font_funcs = nullptr;
 
-    font = NULL;
+    font = nullptr;
 
     add_options (parser);
   }
@@ -490,15 +490,15 @@ struct font_options_t : option_group_t
 struct text_options_t : option_group_t
 {
   text_options_t (option_parser_t *parser) {
-    text_before = NULL;
-    text_after = NULL;
+    text_before = nullptr;
+    text_after = nullptr;
 
-    text = NULL;
-    text_file = NULL;
+    text = nullptr;
+    text_file = nullptr;
 
-    fp = NULL;
-    gs = NULL;
-    line = NULL;
+    fp = nullptr;
+    gs = nullptr;
+    line = nullptr;
     line_len = (unsigned int) -1;
 
     add_options (parser);
@@ -541,13 +541,13 @@ struct text_options_t : option_group_t
 struct output_options_t : option_group_t
 {
   output_options_t (option_parser_t *parser,
-		    const char **supported_formats_ = NULL) {
-    output_file = NULL;
-    output_format = NULL;
+		    const char **supported_formats_ = nullptr) {
+    output_file = nullptr;
+    output_format = nullptr;
     supported_formats = supported_formats_;
     explicit_output_format = false;
 
-    fp = NULL;
+    fp = nullptr;
 
     add_options (parser);
   }
@@ -575,7 +575,7 @@ struct output_options_t : option_group_t
     }
 
     if (output_file && 0 == strcmp (output_file, "-"))
-      output_file = NULL; /* STDOUT */
+      output_file = nullptr; /* STDOUT */
   }
 
   FILE *get_file_handle (void);
diff --git a/util/shape-consumer.hh b/util/shape-consumer.hh
index 0a09053ee..1aa30cdee 100644
--- a/util/shape-consumer.hh
+++ b/util/shape-consumer.hh
@@ -37,8 +37,8 @@ struct shape_consumer_t
 		  : failed (false),
 		    shaper (parser),
 		    output (parser),
-		    font (NULL),
-		    buffer (NULL) {}
+		    font (nullptr),
+		    buffer (nullptr) {}
 
   void init (hb_buffer_t  *buffer_,
 	     const font_options_t *font_opts)
@@ -58,7 +58,7 @@ struct shape_consumer_t
 
     for (unsigned int n = shaper.num_iterations; n; n--)
     {
-      const char *error = NULL;
+      const char *error = nullptr;
 
       shaper.populate_buffer (buffer, text, text_len, text_before, text_after);
       if (n == 1)
@@ -80,9 +80,9 @@ struct shape_consumer_t
   {
     output.finish (buffer, font_opts);
     hb_font_destroy (font);
-    font = NULL;
+    font = nullptr;
     hb_buffer_destroy (buffer);
-    buffer = NULL;
+    buffer = nullptr;
   }
 
   public:

From 2075008f3e0b1cfbd7006f1d8c1fa22ac014f4bb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 12:12:10 +0200
Subject: [PATCH 0472/1326] Use C++11

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 5b0797f99..ba093929a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -80,6 +80,9 @@ if test "x$GCC" = "xyes"; then
 	# Make symbols link locally
 	LDFLAGS="$LDFLAGS -Bsymbolic-functions"
 
+	# Choose C++ version
+	CXXFLAGS="$CXXFLAGS -std=c++11"
+
 	# Make sure we don't link to libstdc++
 	CXXFLAGS="$CXXFLAGS -fno-rtti -fno-exceptions"
 

From 7e3015a315afe2312134ac33b9cb2d73689a044f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 12:13:19 +0200
Subject: [PATCH 0473/1326] Fix warnings

---
 src/hb-font.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index c03917e14..f3534b686 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -36,7 +36,7 @@
  */
 
 static hb_bool_t
-hb_font_get_font_h_extents_nil (hb_font_t *font,
+hb_font_get_font_h_extents_nil (hb_font_t *font HB_UNUSED,
 				void *font_data HB_UNUSED,
 				hb_font_extents_t *metrics,
 				void *user_data HB_UNUSED)
@@ -60,7 +60,7 @@ hb_font_get_font_h_extents_parent (hb_font_t *font,
 }
 
 static hb_bool_t
-hb_font_get_font_v_extents_nil (hb_font_t *font,
+hb_font_get_font_v_extents_nil (hb_font_t *font HB_UNUSED,
 				void *font_data HB_UNUSED,
 				hb_font_extents_t *metrics,
 				void *user_data HB_UNUSED)

From 3c13e153fe89d559d33027c0a5b30a19a6de1bad Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 14:02:58 +0200
Subject: [PATCH 0474/1326] Try fixing AppVeyor bots

---
 src/hb-private.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 9691b086d..ea6a8fa47 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -93,7 +93,8 @@ public:
     }
 private:
     void operator&() const;    // whose address can't be taken
-} nullptr = {};                // and whose name is nullptr
+} _hb_nullptr = {};            // and whose name is nullptr
+#define nullptr _hb_nullptr
 
 // Static assertions
 #ifndef static_assert

From 826a1daf2f2075459ff25a20ed8abec030d95c52 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 14:09:05 +0200
Subject: [PATCH 0475/1326] Move set-digests into their own header file

---
 src/Makefile.sources         |   1 +
 src/hb-ot-layout-private.hh  |   2 +-
 src/hb-set-digest-private.hh | 144 +++++++++++++++++++++++++++++++++++
 src/hb-set-private.hh        | 113 ---------------------------
 4 files changed, 146 insertions(+), 114 deletions(-)
 create mode 100644 src/hb-set-digest-private.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 51e687b4a..57b7e9d3c 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -30,6 +30,7 @@ HB_BASE_sources = \
 	hb-ot-post-table.hh \
 	hb-ot-tag.cc \
 	hb-private.hh \
+	hb-set-digest-private.hh \
 	hb-set-private.hh \
 	hb-set.cc \
 	hb-shape.cc \
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index eb8cc308b..460028a61 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -33,7 +33,7 @@
 
 #include "hb-font-private.hh"
 #include "hb-buffer-private.hh"
-#include "hb-set-private.hh"
+#include "hb-set-digest-private.hh"
 #include "hb-open-type-private.hh"
 
 
diff --git a/src/hb-set-digest-private.hh b/src/hb-set-digest-private.hh
new file mode 100644
index 000000000..9135136c0
--- /dev/null
+++ b/src/hb-set-digest-private.hh
@@ -0,0 +1,144 @@
+/*
+ * Copyright © 2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_SET_DIGEST_PRIVATE_HH
+#define HB_SET_DIGEST_PRIVATE_HH
+
+#include "hb-private.hh"
+
+/*
+ * The set digests here implement various "filters" that support
+ * "approximate member query".  Conceptually these are like Bloom
+ * Filter and Quotient Filter, however, much smaller, faster, and
+ * designed to fit the requirements of our uses for glyph coverage
+ * queries.
+ *
+ * Our filters are highly accurate if the lookup covers fairly local
+ * set of glyphs, but fully flooded and ineffective if coverage is
+ * all over the place.
+ *
+ * The frozen-set can be used instead of a digest, to trade more
+ * memory for 100% accuracy, but in practice, that doesn't look like
+ * an attractive trade-off.
+ */
+
+template <typename mask_t, unsigned int shift>
+struct hb_set_digest_lowest_bits_t
+{
+  ASSERT_POD ();
+
+  static const unsigned int mask_bytes = sizeof (mask_t);
+  static const unsigned int mask_bits = sizeof (mask_t) * 8;
+  static const unsigned int num_bits = 0
+				     + (mask_bytes >= 1 ? 3 : 0)
+				     + (mask_bytes >= 2 ? 1 : 0)
+				     + (mask_bytes >= 4 ? 1 : 0)
+				     + (mask_bytes >= 8 ? 1 : 0)
+				     + (mask_bytes >= 16? 1 : 0)
+				     + 0;
+
+  static_assert ((shift < sizeof (hb_codepoint_t) * 8), "");
+  static_assert ((shift + num_bits <= sizeof (hb_codepoint_t) * 8), "");
+
+  inline void init (void) {
+    mask = 0;
+  }
+
+  inline void add (hb_codepoint_t g) {
+    mask |= mask_for (g);
+  }
+
+  inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
+    if ((b >> shift) - (a >> shift) >= mask_bits - 1)
+      mask = (mask_t) -1;
+    else {
+      mask_t ma = mask_for (a);
+      mask_t mb = mask_for (b);
+      mask |= mb + (mb - ma) - (mb < ma);
+    }
+  }
+
+  inline bool may_have (hb_codepoint_t g) const {
+    return !!(mask & mask_for (g));
+  }
+
+  private:
+
+  static inline mask_t mask_for (hb_codepoint_t g) {
+    return ((mask_t) 1) << ((g >> shift) & (mask_bits - 1));
+  }
+  mask_t mask;
+};
+
+template <typename head_t, typename tail_t>
+struct hb_set_digest_combiner_t
+{
+  ASSERT_POD ();
+
+  inline void init (void) {
+    head.init ();
+    tail.init ();
+  }
+
+  inline void add (hb_codepoint_t g) {
+    head.add (g);
+    tail.add (g);
+  }
+
+  inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
+    head.add_range (a, b);
+    tail.add_range (a, b);
+  }
+
+  inline bool may_have (hb_codepoint_t g) const {
+    return head.may_have (g) && tail.may_have (g);
+  }
+
+  private:
+  head_t head;
+  tail_t tail;
+};
+
+
+/*
+ * hb_set_digest_t
+ *
+ * This is a combination of digests that performs "best".
+ * There is not much science to this: it's a result of intuition
+ * and testing.
+ */
+typedef hb_set_digest_combiner_t
+<
+  hb_set_digest_lowest_bits_t<unsigned long, 4>,
+  hb_set_digest_combiner_t
+  <
+    hb_set_digest_lowest_bits_t<unsigned long, 0>,
+    hb_set_digest_lowest_bits_t<unsigned long, 9>
+  >
+> hb_set_digest_t;
+
+
+#endif /* HB_SET_DIGEST_PRIVATE_HH */
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index fb45df9ae..d7f9d82a5 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -31,119 +31,6 @@
 #include "hb-object-private.hh"
 
 
-/*
- * The set digests here implement various "filters" that support
- * "approximate member query".  Conceptually these are like Bloom
- * Filter and Quotient Filter, however, much smaller, faster, and
- * designed to fit the requirements of our uses for glyph coverage
- * queries.
- *
- * Our filters are highly accurate if the lookup covers fairly local
- * set of glyphs, but fully flooded and ineffective if coverage is
- * all over the place.
- *
- * The frozen-set can be used instead of a digest, to trade more
- * memory for 100% accuracy, but in practice, that doesn't look like
- * an attractive trade-off.
- */
-
-template <typename mask_t, unsigned int shift>
-struct hb_set_digest_lowest_bits_t
-{
-  ASSERT_POD ();
-
-  static const unsigned int mask_bytes = sizeof (mask_t);
-  static const unsigned int mask_bits = sizeof (mask_t) * 8;
-  static const unsigned int num_bits = 0
-				     + (mask_bytes >= 1 ? 3 : 0)
-				     + (mask_bytes >= 2 ? 1 : 0)
-				     + (mask_bytes >= 4 ? 1 : 0)
-				     + (mask_bytes >= 8 ? 1 : 0)
-				     + (mask_bytes >= 16? 1 : 0)
-				     + 0;
-
-  static_assert ((shift < sizeof (hb_codepoint_t) * 8), "");
-  static_assert ((shift + num_bits <= sizeof (hb_codepoint_t) * 8), "");
-
-  inline void init (void) {
-    mask = 0;
-  }
-
-  inline void add (hb_codepoint_t g) {
-    mask |= mask_for (g);
-  }
-
-  inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
-    if ((b >> shift) - (a >> shift) >= mask_bits - 1)
-      mask = (mask_t) -1;
-    else {
-      mask_t ma = mask_for (a);
-      mask_t mb = mask_for (b);
-      mask |= mb + (mb - ma) - (mb < ma);
-    }
-  }
-
-  inline bool may_have (hb_codepoint_t g) const {
-    return !!(mask & mask_for (g));
-  }
-
-  private:
-
-  static inline mask_t mask_for (hb_codepoint_t g) {
-    return ((mask_t) 1) << ((g >> shift) & (mask_bits - 1));
-  }
-  mask_t mask;
-};
-
-template <typename head_t, typename tail_t>
-struct hb_set_digest_combiner_t
-{
-  ASSERT_POD ();
-
-  inline void init (void) {
-    head.init ();
-    tail.init ();
-  }
-
-  inline void add (hb_codepoint_t g) {
-    head.add (g);
-    tail.add (g);
-  }
-
-  inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
-    head.add_range (a, b);
-    tail.add_range (a, b);
-  }
-
-  inline bool may_have (hb_codepoint_t g) const {
-    return head.may_have (g) && tail.may_have (g);
-  }
-
-  private:
-  head_t head;
-  tail_t tail;
-};
-
-
-/*
- * hb_set_digest_t
- *
- * This is a combination of digests that performs "best".
- * There is not much science to this: it's a result of intuition
- * and testing.
- */
-typedef hb_set_digest_combiner_t
-<
-  hb_set_digest_lowest_bits_t<unsigned long, 4>,
-  hb_set_digest_combiner_t
-  <
-    hb_set_digest_lowest_bits_t<unsigned long, 0>,
-    hb_set_digest_lowest_bits_t<unsigned long, 9>
-  >
-> hb_set_digest_t;
-
-
-
 /*
  * hb_set_t
  */

From a433e60a43c4594c41a82c3741d3f870f6eec247 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 14:09:46 +0200
Subject: [PATCH 0476/1326] Remove unused hb_frozen_set_t

---
 src/hb-set-private.hh | 55 -------------------------------------------
 1 file changed, 55 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index d7f9d82a5..71a843f5a 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -40,8 +40,6 @@
 
 struct hb_set_t
 {
-  friend struct hb_frozen_set_t;
-
   hb_object_header_t header;
   ASSERT_POD ();
   bool in_error;
@@ -232,58 +230,5 @@ struct hb_set_t
   static_assert ((sizeof (elt_t) * 8 * ELTS > MAX_G), "");
 };
 
-struct hb_frozen_set_t
-{
-  static const unsigned int SHIFT = hb_set_t::SHIFT;
-  static const unsigned int BITS = hb_set_t::BITS;
-  static const unsigned int MASK = hb_set_t::MASK;
-  typedef hb_set_t::elt_t elt_t;
-
-  inline void init (const hb_set_t &set)
-  {
-    start = count = 0;
-    elts = nullptr;
-
-    unsigned int max = set.get_max ();
-    if (max == set.INVALID)
-      return;
-    unsigned int min = set.get_min ();
-    const elt_t &min_elt = set.elt (min);
-
-    start = min & ~MASK;
-    count = max - start + 1;
-    unsigned int num_elts = (count + BITS - 1) / BITS;
-    unsigned int elts_size = num_elts * sizeof (elt_t);
-    elts = (elt_t *) malloc (elts_size);
-    if (unlikely (!elts))
-    {
-      start = count = 0;
-      return;
-    }
-    memcpy (elts, &min_elt, elts_size);
-  }
-
-  inline void fini (void)
-  {
-    if (elts)
-      free (elts);
-  }
-
-  inline bool has (hb_codepoint_t g) const
-  {
-    /* hb_codepoint_t is unsigned. */
-    g -= start;
-    if (unlikely (g > count)) return false;
-    return !!(elt (g) & mask (g));
-  }
-
-  elt_t const &elt (hb_codepoint_t g) const { return elts[g >> SHIFT]; }
-  elt_t mask (hb_codepoint_t g) const { return elt_t (1) << (g & MASK); }
-
-  private:
-  hb_codepoint_t start, count;
-  elt_t *elts;
-};
-
 
 #endif /* HB_SET_PRIVATE_HH */

From 473b17af4d421f4ce7ac18c769731bb2aa4088f8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 14:10:34 +0200
Subject: [PATCH 0477/1326] Remove unused hb_cache_t

---
 src/Makefile.sources    |  1 -
 src/hb-cache-private.hh | 74 -----------------------------------------
 src/hb-ft.cc            |  2 --
 3 files changed, 77 deletions(-)
 delete mode 100644 src/hb-cache-private.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 57b7e9d3c..775068efa 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -8,7 +8,6 @@ HB_BASE_sources = \
 	hb-buffer-private.hh \
 	hb-buffer-serialize.cc \
 	hb-buffer.cc \
-	hb-cache-private.hh \
 	hb-common.cc \
 	hb-face-private.hh \
 	hb-face.cc \
diff --git a/src/hb-cache-private.hh b/src/hb-cache-private.hh
deleted file mode 100644
index 91955b709..000000000
--- a/src/hb-cache-private.hh
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright © 2012  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_CACHE_PRIVATE_HH
-#define HB_CACHE_PRIVATE_HH
-
-#include "hb-private.hh"
-
-
-/* Implements a lock-free cache for int->int functions. */
-
-template <unsigned int key_bits, unsigned int value_bits, unsigned int cache_bits>
-struct hb_cache_t
-{
-  static_assert ((key_bits >= cache_bits), "");
-  static_assert ((key_bits + value_bits - cache_bits < 8 * sizeof (unsigned int)), "");
-
-  inline void clear (void)
-  {
-    memset (values, 255, sizeof (values));
-  }
-
-  inline bool get (unsigned int key, unsigned int *value)
-  {
-    unsigned int k = key & ((1u<<cache_bits)-1);
-    unsigned int v = values[k];
-    if ((v >> value_bits) != (key >> cache_bits))
-      return false;
-    *value = v & ((1u<<value_bits)-1);
-    return true;
-  }
-
-  inline bool set (unsigned int key, unsigned int value)
-  {
-    if (unlikely ((key >> key_bits) || (value >> value_bits)))
-      return false; /* Overflows */
-    unsigned int k = key & ((1u<<cache_bits)-1);
-    unsigned int v = ((key>>cache_bits)<<value_bits) | value;
-    values[k] = v;
-    return true;
-  }
-
-  private:
-  unsigned int values[1u<<cache_bits];
-};
-
-typedef hb_cache_t<21, 16, 8> hb_cmap_cache_t;
-typedef hb_cache_t<16, 24, 8> hb_advance_cache_t;
-
-
-#endif /* HB_CACHE_PRIVATE_HH */
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 6036f301a..f578e9dc4 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -33,8 +33,6 @@
 
 #include "hb-font-private.hh"
 
-#include "hb-cache-private.hh" // Maybe use in the future?
-
 #include FT_ADVANCES_H
 #include FT_MULTIPLE_MASTERS_H
 #include FT_TRUETYPE_TABLES_H

From 6fb4ac73f94636d19fcac143472b84f9d91985c9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:00:09 +0200
Subject: [PATCH 0478/1326] Add popcount for 64bit ints

---
 src/hb-private.hh | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index ea6a8fa47..7f5cd697b 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -333,6 +333,18 @@ _hb_popcount32 (uint32_t mask)
   return (((y + (y >> 3)) & 030707070707) % 077);
 #endif
 }
+static inline HB_CONST_FUNC unsigned int
+_hb_popcount64 (uint64_t mask)
+{
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
+  return __builtin_popcountl (mask);
+#else
+  return _hb_popcount32 (mask) + _hb_popcount32 (mask >> 32);
+#endif
+}
+template <typename T> static inline unsigned int _hb_popcount (T mask);
+template <> inline unsigned int _hb_popcount<uint32_t> (uint32_t mask) { return _hb_popcount32 (mask); }
+template <> inline unsigned int _hb_popcount<uint64_t> (uint64_t mask) { return _hb_popcount64 (mask); }
 
 /* Returns the number of bits needed to store number */
 static inline HB_CONST_FUNC unsigned int

From db5f7ef18916abb0907bc8b569a65c9c6bbd4015 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:00:22 +0200
Subject: [PATCH 0479/1326] Inline another bsearch()

---
 src/hb-ot-map-private.hh |  4 ++--
 src/hb-private.hh        | 32 ++++++++++++++++++++++++++++----
 2 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index 22690de57..105909a1f 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -53,8 +53,8 @@ struct hb_ot_map_t
     unsigned int auto_zwnj : 1;
     unsigned int auto_zwj : 1;
 
-    static int cmp (const feature_map_t *a, const feature_map_t *b)
-    { return a->tag < b->tag ? -1 : a->tag > b->tag ? 1 : 0; }
+    inline int cmp (const hb_tag_t *tag_) const
+    { return *tag_ < tag ? -1 : *tag_ > tag ? 1 : 0; }
   };
 
   struct lookup_map_t {
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 7f5cd697b..f2290448c 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -488,14 +488,38 @@ struct hb_prealloced_array_t
   }
 
   template <typename T>
-  inline Type *bsearch (T *key)
+  inline Type *bsearch (T *x)
   {
-    return (Type *) ::bsearch (key, array, len, sizeof (Type), (hb_compare_func_t) Type::cmp);
+    int min = 0, max = (int) this->len - 1;
+    while (min <= max)
+    {
+      int mid = (min + max) / 2;
+      int c = this->array[mid].cmp (x);
+      if (c < 0)
+        max = mid - 1;
+      else if (c > 0)
+        min = mid + 1;
+      else
+        return &this->array[mid];
+    }
+    return nullptr;
   }
   template <typename T>
-  inline const Type *bsearch (T *key) const
+  inline const Type *bsearch (T *x) const
   {
-    return (const Type *) ::bsearch (key, array, len, sizeof (Type), (hb_compare_func_t) Type::cmp);
+    int min = 0, max = (int) this->len - 1;
+    while (min <= max)
+    {
+      int mid = (min + max) / 2;
+      int c = this->array[mid].cmp (x);
+      if (c < 0)
+        max = mid - 1;
+      else if (c > 0)
+        min = mid + 1;
+      else
+        return &this->array[mid];
+    }
+    return nullptr;
   }
 
   inline void finish (void)

From 5e74044b6bd78c495561eb7d2981415d2c3336f4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:15:06 +0200
Subject: [PATCH 0480/1326] Add bfind() to prealloaced_array_t

---
 src/hb-private.hh | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index f2290448c..f8e5c8e49 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -490,22 +490,17 @@ struct hb_prealloced_array_t
   template <typename T>
   inline Type *bsearch (T *x)
   {
-    int min = 0, max = (int) this->len - 1;
-    while (min <= max)
-    {
-      int mid = (min + max) / 2;
-      int c = this->array[mid].cmp (x);
-      if (c < 0)
-        max = mid - 1;
-      else if (c > 0)
-        min = mid + 1;
-      else
-        return &this->array[mid];
-    }
-    return nullptr;
+    unsigned int i;
+    return bfind (x, &i) ? &array[i] : nullptr;
   }
   template <typename T>
   inline const Type *bsearch (T *x) const
+  {
+    unsigned int i;
+    return bfind (x, &i) ? &array[i] : nullptr;
+  }
+  template <typename T>
+  inline bool bfind (T *x, unsigned int *i) const
   {
     int min = 0, max = (int) this->len - 1;
     while (min <= max)
@@ -517,9 +512,15 @@ struct hb_prealloced_array_t
       else if (c > 0)
         min = mid + 1;
       else
-        return &this->array[mid];
+      {
+        *i = mid;
+	return true;
+      }
     }
-    return nullptr;
+    if (max < 0 || max < (int) this->len && this->array[max].cmp (x) < 0)
+      max++;
+    *i = max;
+    return false;
   }
 
   inline void finish (void)

From 1d3971200be5b1c949d3eca185654e48584a0868 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:15:24 +0200
Subject: [PATCH 0481/1326] Deprecate hb_set_invert()

---
 src/hb-deprecated.h | 4 ++++
 src/hb-set.cc       | 3 ++-
 src/hb-set.h        | 3 ---
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/hb-deprecated.h b/src/hb-deprecated.h
index 0398dfae6..eac7efb42 100644
--- a/src/hb-deprecated.h
+++ b/src/hb-deprecated.h
@@ -34,6 +34,7 @@
 #include "hb-common.h"
 #include "hb-unicode.h"
 #include "hb-font.h"
+#include "hb-set.h"
 
 HB_BEGIN_DECLS
 
@@ -54,6 +55,9 @@ hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
 			      hb_font_get_glyph_func_t func,
 			      void *user_data, hb_destroy_func_t destroy);
 
+HB_EXTERN void
+hb_set_invert (hb_set_t *set);
+
 #endif
 
 HB_END_DECLS
diff --git a/src/hb-set.cc b/src/hb-set.cc
index f3fe1ba43..d33e525de 100644
--- a/src/hb-set.cc
+++ b/src/hb-set.cc
@@ -376,11 +376,12 @@ hb_set_symmetric_difference (hb_set_t       *set,
  * 
  *
  * Since: 0.9.10
+ *
+ * Deprecated: 1.6.1
  **/
 void
 hb_set_invert (hb_set_t *set)
 {
-  set->invert ();
 }
 
 /**
diff --git a/src/hb-set.h b/src/hb-set.h
index 2164c1a65..2ce406073 100644
--- a/src/hb-set.h
+++ b/src/hb-set.h
@@ -126,9 +126,6 @@ HB_EXTERN void
 hb_set_symmetric_difference (hb_set_t       *set,
 			     const hb_set_t *other);
 
-HB_EXTERN void
-hb_set_invert (hb_set_t *set);
-
 HB_EXTERN unsigned int
 hb_set_get_population (const hb_set_t *set);
 

From deed4a48d15d4a475f8695aa3269547adf63867a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:53:09 +0200
Subject: [PATCH 0482/1326] Faster hb_set_t

Fixes https://github.com/behdad/harfbuzz/pull/23
---
 src/hb-private.hh     |  54 ++++--
 src/hb-set-private.hh | 441 ++++++++++++++++++++++++++++++++++--------
 test/api/test-set.c   |   6 -
 3 files changed, 395 insertions(+), 106 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index f8e5c8e49..46bffac28 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -410,35 +410,49 @@ struct hb_prealloced_array_t
   inline const Type& operator [] (unsigned int i) const { return array[i]; }
 
   inline Type *push (void)
+  {
+    if (unlikely (!resize (len + 1)))
+      return nullptr;
+
+    return &array[len - 1];
+  }
+
+  inline bool resize (unsigned int size)
   {
     if (!array) {
       array = static_array;
       allocated = ARRAY_LENGTH (static_array);
     }
-    if (likely (len < allocated))
-      return &array[len++];
+    if (size > allocated)
+    {
+      /* Need to reallocate */
 
-    /* Need to reallocate */
-    unsigned int new_allocated = allocated + (allocated >> 1) + 8;
-    Type *new_array = nullptr;
+      unsigned int new_allocated = allocated;
+      while (size >= new_allocated)
+        new_allocated += (new_allocated >> 1) + 8;
 
-    if (array == static_array) {
-      new_array = (Type *) calloc (new_allocated, sizeof (Type));
-      if (new_array)
-        memcpy (new_array, array, len * sizeof (Type));
-    } else {
-      bool overflows = (new_allocated < allocated) || _hb_unsigned_int_mul_overflows (new_allocated, sizeof (Type));
-      if (likely (!overflows)) {
-	new_array = (Type *) realloc (array, new_allocated * sizeof (Type));
+      Type *new_array = nullptr;
+
+      if (array == static_array) {
+	new_array = (Type *) calloc (new_allocated, sizeof (Type));
+	if (new_array)
+	  memcpy (new_array, array, len * sizeof (Type));
+      } else {
+	bool overflows = (new_allocated < allocated) || _hb_unsigned_int_mul_overflows (new_allocated, sizeof (Type));
+	if (likely (!overflows)) {
+	  new_array = (Type *) realloc (array, new_allocated * sizeof (Type));
+	}
       }
+
+      if (unlikely (!new_array))
+	return false;
+
+      array = new_array;
+      allocated = new_allocated;
     }
 
-    if (unlikely (!new_array))
-      return nullptr;
-
-    array = new_array;
-    allocated = new_allocated;
-    return &array[len++];
+    len = size;
+    return true;
   }
 
   inline void pop (void)
@@ -517,7 +531,7 @@ struct hb_prealloced_array_t
 	return true;
       }
     }
-    if (max < 0 || max < (int) this->len && this->array[max].cmp (x) < 0)
+    if (max < 0 || (max < (int) this->len && this->array[max].cmp (x) > 0))
       max++;
     *i = max;
     return false;
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 71a843f5a..cd795bc59 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2012  Google, Inc.
+ * Copyright © 2012,2017  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
@@ -35,39 +35,208 @@
  * hb_set_t
  */
 
-
-/* TODO Make this faster and memmory efficient. */
+struct Union
+{
+  static const bool passthru_left = true;
+  static const bool passthru_right = true;
+  template <typename T> static void process (T &o, const T &a, const T &b) { o = a | b; }
+};
+struct Intersect
+{
+  static const bool passthru_left = false;
+  static const bool passthru_right = false;
+  template <typename T> static void process (T &o, const T &a, const T &b) { o = a & b; }
+};
+struct Subtract
+{
+  static const bool passthru_left = true;
+  static const bool passthru_right = false;
+  template <typename T> static void process (T &o, const T &a, const T &b) { o = a & ~b; }
+};
+struct SymmetricDifference
+{
+  static const bool passthru_left = true;
+  static const bool passthru_right = true;
+  template <typename T> static void process (T &o, const T &a, const T &b) { o = a ^ b; }
+};
 
 struct hb_set_t
 {
+  struct page_map_t
+  {
+    inline int cmp (const page_map_t *o) const { return (int) o->major - (int) major; }
+
+    uint32_t major;
+    uint32_t index;
+  };
+
+  struct page_t
+  {
+    inline void init (void) {
+      memset (&v, 0, sizeof (v));
+    }
+
+    inline unsigned int len (void) const
+    { return ARRAY_LENGTH_CONST (v); }
+
+    inline bool is_empty (void) const
+    {
+      for (unsigned int i = 0; i < len (); i++)
+        if (v[i])
+	  return false;
+      return true;
+    }
+
+    inline void add (hb_codepoint_t g) { elt (g) |= mask (g); }
+    inline void del (hb_codepoint_t g) { elt (g) &= ~mask (g); }
+    inline bool has (hb_codepoint_t g) const { return !!(elt (g) & mask (g)); }
+
+    inline bool is_equal (const page_t *other) const
+    {
+      return 0 == memcmp (&v, &other->v, sizeof (v));
+    }
+
+    inline unsigned int get_population (void) const
+    {
+      unsigned int pop = 0;
+      for (unsigned int i = 0; i < len (); i++)
+        pop += _hb_popcount (v[i]);
+      return pop;
+    }
+
+    inline bool next (hb_codepoint_t *codepoint) const
+    {
+      unsigned int m = (*codepoint + 1) & MASK;
+      if (!m)
+      {
+	*codepoint = INVALID;
+	return false;
+      }
+      unsigned int i = m / ELT_BITS;
+      unsigned int j = m & ELT_MASK;
+
+      for (; j < ELT_BITS; j++)
+        if (v[i] & (elt_t (1) << j))
+	  goto found;
+      for (i++; i < len (); i++)
+        if (v[i])
+	  for (unsigned int j = 0; j < ELT_BITS; j++)
+	    if (v[i] & (elt_t (1) << j))
+	      goto found;
+
+      *codepoint = INVALID;
+      return false;
+
+    found:
+      *codepoint = i * ELT_BITS + j;
+      return true;
+    }
+    inline hb_codepoint_t get_min (void) const
+    {
+      for (unsigned int i = 0; i < len (); i++)
+        if (v[i])
+	{
+	  elt_t e = v[i];
+	  for (unsigned int j = 0; j < ELT_BITS; j++)
+	    if (e & (elt_t (1) << j))
+	      return i * ELT_BITS + j;
+	}
+      return INVALID;
+    }
+    inline hb_codepoint_t get_max (void) const
+    {
+      for (int i = len () - 1; i >= 0; i--)
+        if (v[i])
+	{
+	  elt_t e = v[i];
+	  for (int j = ELT_BITS - 1; j >= 0; j--)
+	    if (e & (elt_t (1) << j))
+	      return i * ELT_BITS + j;
+	}
+      return 0;
+    }
+
+    typedef uint64_t elt_t;
+
+    static const unsigned int PAGE_BITS = 512; /* Use to tune. */
+    static_assert ((PAGE_BITS & ((PAGE_BITS) - 1)) == 0, "");
+
+#if 1
+    typedef elt_t vector_t __attribute__((vector_size (PAGE_BITS / 8)));
+#else
+  struct vector_t
+    {
+      elt_t& operator [] (unsigned int i) { return v[i]; }
+      const elt_t& operator [] (unsigned int i) const { return v[i]; }
+
+      private:
+      elt_t v[PAGE_BITS / (sizeof (elt_t) * 8)];
+    };
+#endif
+
+    vector_t v;
+
+    static const unsigned int ELT_BITS = sizeof (elt_t) * 8;
+    static const unsigned int ELT_MASK = ELT_BITS - 1;
+    static const unsigned int BITS = sizeof (v) * 8;
+    static const unsigned int MASK = BITS - 1;
+    static_assert (PAGE_BITS == BITS, "");
+
+    elt_t &elt (hb_codepoint_t g) { return v[(g & MASK) / ELT_BITS]; }
+    elt_t const &elt (hb_codepoint_t g) const { return v[(g & MASK) / ELT_BITS]; }
+    elt_t mask (hb_codepoint_t g) const { return elt_t (1) << (g & ELT_MASK); }
+  };
+
   hb_object_header_t header;
   ASSERT_POD ();
   bool in_error;
+  hb_prealloced_array_t<page_map_t, 8> page_map;
+  hb_prealloced_array_t<page_t, 8> pages;
+
+  inline bool resize (unsigned int count)
+  {
+    if (unlikely (in_error)) return false;
+    if (!pages.resize (count) || !page_map.resize (count))
+    {
+      pages.resize (page_map.len);
+      in_error = true;
+      return false;
+    }
+    return true;
+  }
 
   inline void init (void) {
     hb_object_init (this);
-    clear ();
+    page_map.init ();
+    pages.init ();
   }
   inline void fini (void) {
+    page_map.finish ();
+    pages.finish ();
   }
   inline void clear (void) {
     if (unlikely (hb_object_is_inert (this)))
       return;
     in_error = false;
-    memset (elts, 0, sizeof elts);
+    page_map.resize (0);
+    pages.resize (0);
   }
   inline bool is_empty (void) const {
-    for (unsigned int i = 0; i < ARRAY_LENGTH (elts); i++)
-      if (elts[i])
+    unsigned int count = pages.len;
+    for (unsigned int i = 0; i < count; i++)
+      if (!pages[i].is_empty ())
         return false;
     return true;
   }
+
   inline void add (hb_codepoint_t g)
   {
     if (unlikely (in_error)) return;
     if (unlikely (g == INVALID)) return;
-    if (unlikely (g > MAX_G)) return;
-    elt (g) |= mask (g);
+    page_t *page = page_for_insert (g);
+    if (!page)
+      return;
+    page->add (g);
   }
   inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
   {
@@ -79,8 +248,10 @@ struct hb_set_t
   inline void del (hb_codepoint_t g)
   {
     if (unlikely (in_error)) return;
-    if (unlikely (g > MAX_G)) return;
-    elt (g) &= ~mask (g);
+    page_t *p = page_for (g);
+    if (!p)
+      return;
+    p->del (g);
   }
   inline void del_range (hb_codepoint_t a, hb_codepoint_t b)
   {
@@ -91,80 +262,169 @@ struct hb_set_t
   }
   inline bool has (hb_codepoint_t g) const
   {
-    if (unlikely (g > MAX_G)) return false;
-    return !!(elt (g) & mask (g));
+    const page_t *p = page_for (g);
+    if (!p)
+      return false;
+    return p->has (g);
   }
   inline bool intersects (hb_codepoint_t first,
 			  hb_codepoint_t last) const
   {
-    if (unlikely (first > MAX_G)) return false;
-    if (unlikely (last  > MAX_G)) last = MAX_G;
+    /* TODO Speedup */
     unsigned int end = last + 1;
     for (hb_codepoint_t i = first; i < end; i++)
       if (has (i))
         return true;
     return false;
   }
-  inline bool is_equal (const hb_set_t *other) const
-  {
-    for (unsigned int i = 0; i < ELTS; i++)
-      if (elts[i] != other->elts[i])
-        return false;
-    return true;
-  }
   inline void set (const hb_set_t *other)
   {
     if (unlikely (in_error)) return;
-    for (unsigned int i = 0; i < ELTS; i++)
-      elts[i] = other->elts[i];
+    unsigned int count = other->pages.len;
+    if (!resize (count))
+      return;
+
+    memcpy (pages.array, other->pages.array, count * sizeof (pages.array[0]));
+    memcpy (page_map.array, other->page_map.array, count * sizeof (page_map.array[0]));
   }
-  inline void union_ (const hb_set_t *other)
+
+  inline bool is_equal (const hb_set_t *other) const
+  {
+    unsigned int na = pages.len;
+    unsigned int nb = other->pages.len;
+
+    unsigned int a = 0, b = 0;
+    for (; a < na && b < nb; )
+    {
+      if (page_at (a).is_empty ()) { a++; continue; }
+      if (other->page_at (b).is_empty ()) { b++; continue; }
+      if (page_map[a].major != other->page_map[b].major ||
+	  !page_at (a).is_equal (&other->page_at (b)))
+        return false;
+      a++;
+      b++;
+    }
+    for (; a < na; a++)
+      if (!page_at (a).is_empty ()) { return false; }
+    for (; b < nb; b++)
+      if (!other->page_at (b).is_empty ()) { return false; }
+
+    return true;
+  }
+
+  template <class Op>
+  inline void process (const hb_set_t *other)
   {
     if (unlikely (in_error)) return;
-    for (unsigned int i = 0; i < ELTS; i++)
-      elts[i] |= other->elts[i];
+
+    int na = pages.len;
+    int nb = other->pages.len;
+
+    unsigned int count = 0;
+    int a = 0, b = 0;
+    for (; a < na && b < nb; )
+    {
+      if (page_map[a].major == other->page_map[b].major)
+      {
+        count++;
+	a++;
+	b++;
+      }
+      else if (page_map[a].major < other->page_map[b].major)
+      {
+        if (Op::passthru_left)
+	  count++;
+        a++;
+      }
+      else
+      {
+        if (Op::passthru_right)
+	  count++;
+        b++;
+      }
+    }
+    if (Op::passthru_left)
+      count += na - a;
+    if (Op::passthru_right)
+      count += nb - b;
+
+    if (!resize (count))
+      return;
+
+    /* Process in-place backward. */
+    a = na - 1, b = nb - 1;
+    for (; a >= 0 && b >= 0; )
+    {
+      if (page_map[a].major == other->page_map[b].major)
+      {
+        Op::process (page_at (--count).v, page_at (a).v, other->page_at (b).v);
+	a--;
+	b--;
+      }
+      else if (page_map[a].major < other->page_map[b].major)
+      {
+        if (Op::passthru_left)
+	  page_at (--count).v = page_at (a).v;
+        a--;
+      }
+      else
+      {
+        if (Op::passthru_right)
+	  page_at (--count).v = other->page_at (b).v;
+        b--;
+      }
+    }
+    while (a >= 0)
+      page_at (--count).v = page_at (--a).v;
+    while (b >= 0)
+      page_at (--count).v = other->page_at (--b).v;
+    assert (!count);
+  }
+
+  inline void union_ (const hb_set_t *other)
+  {
+    process<Union> (other);
   }
   inline void intersect (const hb_set_t *other)
   {
-    if (unlikely (in_error)) return;
-    for (unsigned int i = 0; i < ELTS; i++)
-      elts[i] &= other->elts[i];
+    process<Intersect> (other);
   }
   inline void subtract (const hb_set_t *other)
   {
-    if (unlikely (in_error)) return;
-    for (unsigned int i = 0; i < ELTS; i++)
-      elts[i] &= ~other->elts[i];
+    process<Subtract> (other);
   }
   inline void symmetric_difference (const hb_set_t *other)
   {
-    if (unlikely (in_error)) return;
-    for (unsigned int i = 0; i < ELTS; i++)
-      elts[i] ^= other->elts[i];
-  }
-  inline void invert (void)
-  {
-    if (unlikely (in_error)) return;
-    for (unsigned int i = 0; i < ELTS; i++)
-      elts[i] = ~elts[i];
+    process<SymmetricDifference> (other);
   }
   inline bool next (hb_codepoint_t *codepoint) const
   {
     if (unlikely (*codepoint == INVALID)) {
-      hb_codepoint_t i = get_min ();
-      if (i != INVALID) {
-        *codepoint = i;
+      *codepoint = get_min ();
+      return *codepoint != INVALID;
+    }
+
+    page_map_t map = {major (*codepoint), 0};
+    unsigned int i;
+    page_map.bfind (&map, &i);
+    if (i < page_map.len)
+    {
+      if (pages[page_map[i].index].next (codepoint))
+      {
+	*codepoint += page_map[i].major * PAGE_SIZE;
+        return true;
+      }
+      i++;
+    }
+    for (; i < page_map.len; i++)
+    {
+      hb_codepoint_t m = pages[page_map[i].index].get_min ();
+      if (m != INVALID)
+      {
+	*codepoint = page_map[i].major * PAGE_SIZE + m;
 	return true;
-      } else {
-	*codepoint = INVALID;
-        return false;
       }
     }
-    for (hb_codepoint_t i = *codepoint + 1; i < MAX_G + 1; i++)
-      if (has (i)) {
-        *codepoint = i;
-	return true;
-      }
     *codepoint = INVALID;
     return false;
   }
@@ -172,6 +432,7 @@ struct hb_set_t
   {
     hb_codepoint_t i;
 
+    /* TODO speedup. */
     i = *last;
     if (!next (&i))
     {
@@ -188,46 +449,66 @@ struct hb_set_t
 
   inline unsigned int get_population (void) const
   {
-    unsigned int count = 0;
-    for (unsigned int i = 0; i < ELTS; i++)
-      count += _hb_popcount32 (elts[i]);
-    return count;
+    unsigned int pop = 0;
+    unsigned int count = pages.len;
+    for (unsigned int i = 0; i < count; i++)
+      pop += pages[i].get_population ();
+    return pop;
   }
   inline hb_codepoint_t get_min (void) const
   {
-    for (unsigned int i = 0; i < ELTS; i++)
-      if (elts[i])
-	for (unsigned int j = 0; j < BITS; j++)
-	  if (elts[i] & (1u << j))
-	    return i * BITS + j;
+    unsigned int count = pages.len;
+    for (unsigned int i = 0; i < count; i++)
+      if (!page_at (i).is_empty ())
+        return page_map[i].major * PAGE_SIZE + page_at (i).get_min ();
     return INVALID;
   }
   inline hb_codepoint_t get_max (void) const
   {
-    for (unsigned int i = ELTS; i; i--)
-      if (elts[i - 1])
-	for (unsigned int j = BITS; j; j--)
-	  if (elts[i - 1] & (1u << (j - 1)))
-	    return (i - 1) * BITS + (j - 1);
+    unsigned int count = pages.len;
+    for (int i = count - 1; i >= 0; i++)
+      if (!page_at (i).is_empty ())
+        return page_map[i].major * PAGE_SIZE + page_at (i).get_max ();
     return INVALID;
   }
 
-  typedef uint32_t elt_t;
-  static const unsigned int MAX_G = 65536 - 1; /* XXX Fix this... */
-  static const unsigned int SHIFT = 5;
-  static const unsigned int BITS = (1 << SHIFT);
-  static const unsigned int MASK = BITS - 1;
-  static const unsigned int ELTS = (MAX_G + 1 + (BITS - 1)) / BITS;
+  static const unsigned int PAGE_SIZE = sizeof (page_t) * 8;
   static  const hb_codepoint_t INVALID = HB_SET_VALUE_INVALID;
 
-  elt_t &elt (hb_codepoint_t g) { return elts[g >> SHIFT]; }
-  elt_t const &elt (hb_codepoint_t g) const { return elts[g >> SHIFT]; }
-  elt_t mask (hb_codepoint_t g) const { return elt_t (1) << (g & MASK); }
+  page_t *page_for_insert (hb_codepoint_t g)
+  {
+    page_map_t map = {major (g), pages.len};
+    unsigned int i;
+    if (!page_map.bfind (&map, &i))
+    {
+      if (!resize (pages.len + 1))
+	return nullptr;
 
-  elt_t elts[ELTS]; /* XXX 8kb */
-
-  static_assert ((sizeof (elt_t) * 8 == BITS), "");
-  static_assert ((sizeof (elt_t) * 8 * ELTS > MAX_G), "");
+      pages[map.index].init ();
+      memmove (&page_map[i + 1], &page_map[i], (page_map.len - 1 - i) * sizeof (page_map[0]));
+      page_map[i] = map;
+    }
+    return &pages[page_map[i].index];
+  }
+  page_t *page_for (hb_codepoint_t g)
+  {
+    page_map_t key = {major (g)};
+    const page_map_t *found = page_map.bsearch (&key);
+    if (found)
+      return &pages[found->index];
+    return nullptr;
+  }
+  const page_t *page_for (hb_codepoint_t g) const
+  {
+    page_map_t key = {major (g)};
+    const page_map_t *found = page_map.bsearch (&key);
+    if (found)
+      return &pages[found->index];
+    return nullptr;
+  }
+  page_t &page_at (unsigned int i) { return pages[page_map[i].index]; }
+  const page_t &page_at (unsigned int i) const { return pages[page_map[i].index]; }
+  unsigned int major (hb_codepoint_t g) const { return g / PAGE_SIZE; }
 };
 
 
diff --git a/test/api/test-set.c b/test/api/test-set.c
index 96349512c..bdc462682 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -76,12 +76,6 @@ test_set_basic (void)
   g_assert_cmpint (hb_set_get_min (s), ==, 10);
   g_assert_cmpint (hb_set_get_max (s), ==, 29);
 
-  hb_set_invert (s);
-  test_not_empty (s);
-  g_assert (!hb_set_has (s, 13));
-  g_assert_cmpint (hb_set_get_min (s), ==, 0);
-
-  hb_set_invert (s);
   test_not_empty (s);
   g_assert (hb_set_has (s, 13));
   g_assert_cmpint (hb_set_get_population (s), ==, 20);

From f8a0ec50e23264fdfe9e3a5a2e0453a87f415b3d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:10:35 -0400
Subject: [PATCH 0483/1326] [set] Add fallback implementation of int-vector
 type

---
 src/hb-set-private.hh | 64 ++++++++++++++++++++++++++++++-------------
 1 file changed, 45 insertions(+), 19 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index cd795bc59..227a5507a 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -35,31 +35,64 @@
  * hb_set_t
  */
 
-struct Union
+struct HbOpOr
 {
   static const bool passthru_left = true;
   static const bool passthru_right = true;
   template <typename T> static void process (T &o, const T &a, const T &b) { o = a | b; }
 };
-struct Intersect
+struct HbOpAnd
 {
   static const bool passthru_left = false;
   static const bool passthru_right = false;
   template <typename T> static void process (T &o, const T &a, const T &b) { o = a & b; }
 };
-struct Subtract
+struct HbOpMinus
 {
   static const bool passthru_left = true;
   static const bool passthru_right = false;
   template <typename T> static void process (T &o, const T &a, const T &b) { o = a & ~b; }
 };
-struct SymmetricDifference
+struct HbOpXor
 {
   static const bool passthru_left = true;
   static const bool passthru_right = true;
   template <typename T> static void process (T &o, const T &a, const T &b) { o = a ^ b; }
 };
 
+template <typename elt_t, unsigned int byte_size>
+struct vector_like_t
+{
+  elt_t& operator [] (unsigned int i) { return v[i]; }
+  const elt_t& operator [] (unsigned int i) const { return v[i]; }
+
+  template <class Op>
+  inline vector_like_t process (const vector_like_t &o) const
+  {
+    vector_like_t r;
+    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
+      Op::process (r.v[i], v[i], o.v[i]);
+    return r;
+  }
+  inline vector_like_t operator | (const vector_like_t &o) const
+  { return process<HbOpOr> (o); }
+  inline vector_like_t operator & (const vector_like_t &o) const
+  { return process<HbOpAnd> (o); }
+  inline vector_like_t operator ^ (const vector_like_t &o) const
+  { return process<HbOpXor> (o); }
+  inline vector_like_t operator ~ () const
+  {
+    vector_like_t r;
+    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
+      r.v[i] = ~v[i];
+    return r;
+  }
+
+  private:
+  static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size);
+  elt_t v[byte_size / sizeof (elt_t)];
+};
+
 struct hb_set_t
 {
   struct page_map_t
@@ -156,22 +189,15 @@ struct hb_set_t
       return 0;
     }
 
-    typedef uint64_t elt_t;
-
     static const unsigned int PAGE_BITS = 512; /* Use to tune. */
     static_assert ((PAGE_BITS & ((PAGE_BITS) - 1)) == 0, "");
 
-#if 1
+    typedef uint64_t elt_t;
+
+#if 0
     typedef elt_t vector_t __attribute__((vector_size (PAGE_BITS / 8)));
 #else
-  struct vector_t
-    {
-      elt_t& operator [] (unsigned int i) { return v[i]; }
-      const elt_t& operator [] (unsigned int i) const { return v[i]; }
-
-      private:
-      elt_t v[PAGE_BITS / (sizeof (elt_t) * 8)];
-    };
+    typedef vector_like_t<elt_t, PAGE_BITS / 8> vector_t;
 #endif
 
     vector_t v;
@@ -383,19 +409,19 @@ struct hb_set_t
 
   inline void union_ (const hb_set_t *other)
   {
-    process<Union> (other);
+    process<HbOpOr> (other);
   }
   inline void intersect (const hb_set_t *other)
   {
-    process<Intersect> (other);
+    process<HbOpAnd> (other);
   }
   inline void subtract (const hb_set_t *other)
   {
-    process<Subtract> (other);
+    process<HbOpMinus> (other);
   }
   inline void symmetric_difference (const hb_set_t *other)
   {
-    process<SymmetricDifference> (other);
+    process<HbOpXor> (other);
   }
   inline bool next (hb_codepoint_t *codepoint) const
   {

From 7737e87ac4582d57945f3ffbbae1012f62c6b482 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:21:03 -0400
Subject: [PATCH 0484/1326] Properly detect vector_size attribute and use
 fallback otherwise

---
 src/hb-private.hh     | 67 +++++++++++++++++++++++++++++++++++++++++++
 src/hb-set-private.hh | 62 ++-------------------------------------
 2 files changed, 69 insertions(+), 60 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 46bffac28..3cf8b8d3e 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -1058,6 +1058,73 @@ hb_codepoint_parse (const char *s, unsigned int len, int base, hb_codepoint_t *o
 }
 
 
+/* Vectorization */
+
+struct HbOpOr
+{
+  static const bool passthru_left = true;
+  static const bool passthru_right = true;
+  template <typename T> static void process (T &o, const T &a, const T &b) { o = a | b; }
+};
+struct HbOpAnd
+{
+  static const bool passthru_left = false;
+  static const bool passthru_right = false;
+  template <typename T> static void process (T &o, const T &a, const T &b) { o = a & b; }
+};
+struct HbOpMinus
+{
+  static const bool passthru_left = true;
+  static const bool passthru_right = false;
+  template <typename T> static void process (T &o, const T &a, const T &b) { o = a & ~b; }
+};
+struct HbOpXor
+{
+  static const bool passthru_left = true;
+  static const bool passthru_right = true;
+  template <typename T> static void process (T &o, const T &a, const T &b) { o = a ^ b; }
+};
+
+/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))). */
+template <typename elt_t, unsigned int byte_size>
+struct hb_vector_size_t
+{
+  elt_t& operator [] (unsigned int i) { return v[i]; }
+  const elt_t& operator [] (unsigned int i) const { return v[i]; }
+
+  template <class Op>
+  inline hb_vector_size_t process (const hb_vector_size_t &o) const
+  {
+    hb_vector_size_t r;
+    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
+      Op::process (r.v[i], v[i], o.v[i]);
+    return r;
+  }
+  inline hb_vector_size_t operator | (const hb_vector_size_t &o) const
+  { return process<HbOpOr> (o); }
+  inline hb_vector_size_t operator & (const hb_vector_size_t &o) const
+  { return process<HbOpAnd> (o); }
+  inline hb_vector_size_t operator ^ (const hb_vector_size_t &o) const
+  { return process<HbOpXor> (o); }
+  inline hb_vector_size_t operator ~ () const
+  {
+    hb_vector_size_t r;
+    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
+      r.v[i] = ~v[i];
+    return r;
+  }
+
+  private:
+  static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size);
+  elt_t v[byte_size / sizeof (elt_t)];
+};
+
+/* The `vector_size' attribute was introduced in gcc 3.1. */
+#if defined( __GNUC__ ) && ( __GNUC__ >= 4 )
+#define HAVE_VECTOR_SIZE 1
+#endif
+
+
 /* Global runtime options. */
 
 struct hb_options_t
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 227a5507a..7bb57d9f4 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -35,64 +35,6 @@
  * hb_set_t
  */
 
-struct HbOpOr
-{
-  static const bool passthru_left = true;
-  static const bool passthru_right = true;
-  template <typename T> static void process (T &o, const T &a, const T &b) { o = a | b; }
-};
-struct HbOpAnd
-{
-  static const bool passthru_left = false;
-  static const bool passthru_right = false;
-  template <typename T> static void process (T &o, const T &a, const T &b) { o = a & b; }
-};
-struct HbOpMinus
-{
-  static const bool passthru_left = true;
-  static const bool passthru_right = false;
-  template <typename T> static void process (T &o, const T &a, const T &b) { o = a & ~b; }
-};
-struct HbOpXor
-{
-  static const bool passthru_left = true;
-  static const bool passthru_right = true;
-  template <typename T> static void process (T &o, const T &a, const T &b) { o = a ^ b; }
-};
-
-template <typename elt_t, unsigned int byte_size>
-struct vector_like_t
-{
-  elt_t& operator [] (unsigned int i) { return v[i]; }
-  const elt_t& operator [] (unsigned int i) const { return v[i]; }
-
-  template <class Op>
-  inline vector_like_t process (const vector_like_t &o) const
-  {
-    vector_like_t r;
-    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
-      Op::process (r.v[i], v[i], o.v[i]);
-    return r;
-  }
-  inline vector_like_t operator | (const vector_like_t &o) const
-  { return process<HbOpOr> (o); }
-  inline vector_like_t operator & (const vector_like_t &o) const
-  { return process<HbOpAnd> (o); }
-  inline vector_like_t operator ^ (const vector_like_t &o) const
-  { return process<HbOpXor> (o); }
-  inline vector_like_t operator ~ () const
-  {
-    vector_like_t r;
-    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
-      r.v[i] = ~v[i];
-    return r;
-  }
-
-  private:
-  static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size);
-  elt_t v[byte_size / sizeof (elt_t)];
-};
-
 struct hb_set_t
 {
   struct page_map_t
@@ -194,10 +136,10 @@ struct hb_set_t
 
     typedef uint64_t elt_t;
 
-#if 0
+#if HAVE_VECTOR_SIZE
     typedef elt_t vector_t __attribute__((vector_size (PAGE_BITS / 8)));
 #else
-    typedef vector_like_t<elt_t, PAGE_BITS / 8> vector_t;
+    typedef hb_vector_size_t<elt_t, PAGE_BITS / 8> vector_t;
 #endif
 
     vector_t v;

From 56ef4e0c52d5b474518bf0c1e4adba80f2ae6946 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:38:29 -0400
Subject: [PATCH 0485/1326] Simplify hb_prealloced_array_t initialization

---
 src/hb-private.hh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 3cf8b8d3e..5deaa9d9a 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -404,7 +404,12 @@ struct hb_prealloced_array_t
   Type *array;
   Type static_array[StaticSize];
 
-  void init (void) { memset (this, 0, sizeof (*this)); }
+  void init (void)
+  {
+    len = 0;
+    allocated = ARRAY_LENGTH (static_array);
+    array = static_array;
+  }
 
   inline Type& operator [] (unsigned int i) { return array[i]; }
   inline const Type& operator [] (unsigned int i) const { return array[i]; }
@@ -419,11 +424,7 @@ struct hb_prealloced_array_t
 
   inline bool resize (unsigned int size)
   {
-    if (!array) {
-      array = static_array;
-      allocated = ARRAY_LENGTH (static_array);
-    }
-    if (size > allocated)
+    if (unlikely (size > allocated))
     {
       /* Need to reallocate */
 

From 10d43658e7655b36cb86e674dde8af4036b7cc52 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 16:56:05 -0400
Subject: [PATCH 0486/1326] [set] Speed up intersects()

---
 src/hb-set-private.hh | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 7bb57d9f4..9cd15d5aa 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -238,12 +238,8 @@ struct hb_set_t
   inline bool intersects (hb_codepoint_t first,
 			  hb_codepoint_t last) const
   {
-    /* TODO Speedup */
-    unsigned int end = last + 1;
-    for (hb_codepoint_t i = first; i < end; i++)
-      if (has (i))
-        return true;
-    return false;
+    hb_codepoint_t c = first - 1;
+    return next (&c) && c <= last;
   }
   inline void set (const hb_set_t *other)
   {

From 0cf7d957b7ffb17c4cec75b631c9829327ab5d52 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 17:01:31 -0400
Subject: [PATCH 0487/1326] [set] Remove TODO items not worth pursuing

---
 src/hb-set-private.hh | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 9cd15d5aa..a7ca4f4a5 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -224,7 +224,6 @@ struct hb_set_t
   inline void del_range (hb_codepoint_t a, hb_codepoint_t b)
   {
     if (unlikely (in_error)) return;
-    /* TODO Speedup */
     for (unsigned int i = a; i < b + 1; i++)
       del (i);
   }
@@ -396,7 +395,6 @@ struct hb_set_t
   {
     hb_codepoint_t i;
 
-    /* TODO speedup. */
     i = *last;
     if (!next (&i))
     {

From 221ce6c18f2a1e878b68eb0a97f235efa4c044d3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 17:58:58 -0400
Subject: [PATCH 0488/1326] Fix bots

---
 src/hb-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 5deaa9d9a..3c0049283 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -1116,7 +1116,7 @@ struct hb_vector_size_t
   }
 
   private:
-  static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size);
+  static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size, "");
   elt_t v[byte_size / sizeof (elt_t)];
 };
 

From bb9917913f735855aea54f41f10e0c7be3632e88 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 18:20:25 -0400
Subject: [PATCH 0489/1326] [set] Disable vectorization

Fixes clang "non-const reference cannot bind to vector element" error.
---
 src/hb-set-private.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index a7ca4f4a5..9cb996743 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -136,7 +136,9 @@ struct hb_set_t
 
     typedef uint64_t elt_t;
 
-#if HAVE_VECTOR_SIZE
+#if 0 && HAVE_VECTOR_SIZE
+    /* The vectorized version does not work with clang as non-const
+     * elt() errs /*non-const reference cannot bind to vector element". */
     typedef elt_t vector_t __attribute__((vector_size (PAGE_BITS / 8)));
 #else
     typedef hb_vector_size_t<elt_t, PAGE_BITS / 8> vector_t;

From ab8f327eb47184409d9e9208ca46b631d1afd0d4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 15 Oct 2017 18:21:35 -0400
Subject: [PATCH 0490/1326] Ouch.

---
 src/hb-set-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 9cb996743..ff4285065 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -138,7 +138,7 @@ struct hb_set_t
 
 #if 0 && HAVE_VECTOR_SIZE
     /* The vectorized version does not work with clang as non-const
-     * elt() errs /*non-const reference cannot bind to vector element". */
+     * elt() errs "non-const reference cannot bind to vector element". */
     typedef elt_t vector_t __attribute__((vector_size (PAGE_BITS / 8)));
 #else
     typedef hb_vector_size_t<elt_t, PAGE_BITS / 8> vector_t;

From a11249ee93439856ea2410524b993ac1f1379961 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 16 Oct 2017 01:33:32 -0400
Subject: [PATCH 0491/1326] [set] Fix merge logic

---
 src/hb-set-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index ff4285065..be0a90d7f 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -326,7 +326,7 @@ struct hb_set_t
 	a--;
 	b--;
       }
-      else if (page_map[a].major < other->page_map[b].major)
+      else if (page_map[a].major > other->page_map[b].major)
       {
         if (Op::passthru_left)
 	  page_at (--count).v = page_at (a).v;

From 80cc0a7e3e05fb7fcfbdc0188cb60b115ad47d04 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 17 Oct 2017 11:14:48 -0700
Subject: [PATCH 0492/1326] [coretext] Fix build

error: static_assert expression is not an integral constant expression
---
 src/hb-coretext.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index ca5483334..937822b86 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -678,7 +678,7 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
 	      CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &active_features[j].rec.feature),
 	      CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &active_features[j].rec.setting)
 	    };
-	    static_assert ((ARRAY_LENGTH (keys) == ARRAY_LENGTH (values)), "");
+	    static_assert ((ARRAY_LENGTH_CONST (keys) == ARRAY_LENGTH_CONST (values)), "");
 	    CFDictionaryRef dict = CFDictionaryCreate (kCFAllocatorDefault,
 						       (const void **) keys,
 						       (const void **) values,

From ba8b56960733b25bbb88fbdb60e7e244127d6e0c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 17 Oct 2017 11:16:36 -0700
Subject: [PATCH 0493/1326] Try fixing build on VC

c:\projects\harfbuzz\src\hb-set-private.hh(151): error C2327: 'hb_set_t::page_t::v': is not a type name, static, or enumerator [C:\projects\harfbuzz\build\harfbuzz.vcxproj]
---
 src/hb-set-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index be0a90d7f..689766c13 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -148,7 +148,7 @@ struct hb_set_t
 
     static const unsigned int ELT_BITS = sizeof (elt_t) * 8;
     static const unsigned int ELT_MASK = ELT_BITS - 1;
-    static const unsigned int BITS = sizeof (v) * 8;
+    static const unsigned int BITS = sizeof (vector_t) * 8;
     static const unsigned int MASK = BITS - 1;
     static_assert (PAGE_BITS == BITS, "");
 

From b98adefbb9ee45fc1e800a52f701bf4224e9bb81 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 17 Oct 2017 12:00:34 -0700
Subject: [PATCH 0494/1326] Update docs symbols

---
 docs/harfbuzz-sections.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 06a78f5fa..0013b342d 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -155,6 +155,7 @@ hb_font_get_glyph_func_t
 
 <SECTION>
 <FILE>hb-coretext</FILE>
+HB_CORETEXT_TAG_KERX
 HB_CORETEXT_TAG_MORT
 HB_CORETEXT_TAG_MORX
 hb_coretext_face_create
@@ -168,6 +169,7 @@ hb_face_create
 hb_face_create_for_tables
 hb_face_destroy
 hb_face_get_empty
+hb_face_get_table_tags
 hb_face_get_glyph_count
 hb_face_get_index
 hb_face_get_upem

From 41b1984be946cc2f53313dd48eac392cc8a3ad2b Mon Sep 17 00:00:00 2001
From: Fredrik Roubert <fredrik@roubert.name>
Date: Tue, 17 Oct 2017 15:06:31 -0700
Subject: [PATCH 0495/1326] Switch from ICU deprecated unorm_normalize to
 unorm2_normalize. (#569)

The new unorm2_normalize has been public API since ICU 4.4, while
the old unorm_normalize has been deprecated since ICU 56.

Now, beginning with ICU 60, unorm_normalize will also be annotated
U_DEPRECATED and trigger the compiler -Wdeprecated-declarations warning.
---
 src/hb-icu.cc | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/hb-icu.cc b/src/hb-icu.cc
index ce179e337..a00803c98 100644
--- a/src/hb-icu.cc
+++ b/src/hb-icu.cc
@@ -34,7 +34,7 @@
 #include "hb-unicode-private.hh"
 
 #include <unicode/uchar.h>
-#include <unicode/unorm.h>
+#include <unicode/unorm2.h>
 #include <unicode/ustring.h>
 #include <unicode/utf16.h>
 #include <unicode/uversion.h>
@@ -200,7 +200,7 @@ hb_icu_unicode_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
   if (err) return false;
 
   icu_err = U_ZERO_ERROR;
-  len = unorm_normalize (utf16, len, UNORM_NFC, 0, normalized, ARRAY_LENGTH (normalized), &icu_err);
+  len = unorm2_normalize (unorm2_getNFCInstance (&icu_err), utf16, len, normalized, ARRAY_LENGTH (normalized), &icu_err);
   if (U_FAILURE (icu_err))
     return false;
   if (u_countChar32 (normalized, len) == 1) {
@@ -261,7 +261,7 @@ hb_icu_unicode_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
   if (err) return false;
 
   icu_err = U_ZERO_ERROR;
-  len = unorm_normalize (utf16, len, UNORM_NFD, 0, normalized, ARRAY_LENGTH (normalized), &icu_err);
+  len = unorm2_normalize (unorm2_getNFDInstance (&icu_err), utf16, len, normalized, ARRAY_LENGTH (normalized), &icu_err);
   if (U_FAILURE (icu_err))
     return false;
 
@@ -281,7 +281,7 @@ hb_icu_unicode_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
      * the second part :-(. */
     UChar recomposed[20];
     icu_err = U_ZERO_ERROR;
-    unorm_normalize (normalized, len, UNORM_NFC, 0, recomposed, ARRAY_LENGTH (recomposed), &icu_err);
+    unorm2_normalize (unorm2_getNFCInstance (&icu_err), normalized, len, recomposed, ARRAY_LENGTH (recomposed), &icu_err);
     if (U_FAILURE (icu_err))
       return false;
     hb_codepoint_t c;
@@ -297,7 +297,7 @@ hb_icu_unicode_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
     U16_PREV_UNSAFE (normalized, len, *b); /* Changes len in-place. */
     UChar recomposed[18 * 2];
     icu_err = U_ZERO_ERROR;
-    len = unorm_normalize (normalized, len, UNORM_NFC, 0, recomposed, ARRAY_LENGTH (recomposed), &icu_err);
+    len = unorm2_normalize (unorm2_getNFCInstance (&icu_err), normalized, len, recomposed, ARRAY_LENGTH (recomposed), &icu_err);
     if (U_FAILURE (icu_err))
       return false;
     /* We expect that recomposed has exactly one character now. */
@@ -331,7 +331,7 @@ hb_icu_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs HB_UNUSED,
 
   /* Normalise the codepoint using NFKD mode. */
   icu_err = U_ZERO_ERROR;
-  len = unorm_normalize (utf16, len, UNORM_NFKD, 0, normalized, ARRAY_LENGTH (normalized), &icu_err);
+  len = unorm2_normalize (unorm2_getNFKDInstance (&icu_err), utf16, len, normalized, ARRAY_LENGTH (normalized), &icu_err);
   if (icu_err)
     return 0;
 

From d6f612fac800c31989c298b5101845baed2297b1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 17 Oct 2017 16:32:12 -0700
Subject: [PATCH 0496/1326] [bsearch] Micro-optimization

---
 src/hb-open-type-private.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index bed5eea2e..f25341a8a 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1047,11 +1047,12 @@ struct SortedArrayOf : ArrayOf<Type, LenType>
   inline int bsearch (const SearchType &x) const
   {
     /* Hand-coded bsearch here since this is in the hot inner loop. */
+    const Type *array = this->array;
     int min = 0, max = (int) this->len - 1;
     while (min <= max)
     {
       int mid = (min + max) / 2;
-      int c = this->array[mid].cmp (x);
+      int c = array[mid].cmp (x);
       if (c < 0)
         max = mid - 1;
       else if (c > 0)

From 162575f2c69f519aae1b18ff1c501e7e4c2cdd4b Mon Sep 17 00:00:00 2001
From: Chun-wei Fan <fanchunwei@src.gnome.org>
Date: Wed, 18 Oct 2017 22:27:28 +0800
Subject: [PATCH 0497/1326] CMake builds: Fix builds

Include the fallback sources in the build, and update
src/Makefile.sources so that it can be read by the CMake build files.

Fix a typo in the DirectWrite configure option so that we can properly
enable DirectWrite builds.

Also, when building the utility program, install them as well.
---
 CMakeLists.txt       | 21 ++++++++++++++++++++-
 src/Makefile.sources |  4 +++-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 650def81b..1cdf74bb3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,7 +41,7 @@ if (APPLE)
 endif ()
 if (WIN32)
   option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper backend on Windows" OFF)
-  option(HB_HAVE_DIRECWRITE "Enable DirectWrite shaper backend on Windows" OFF)
+  option(HB_HAVE_DIRECTWRITE "Enable DirectWrite shaper backend on Windows" OFF)
 endif ()
 option(HB_BUILD_UTILS "Build harfbuzz utils, needs cairo, freetype, and glib properly be installed" OFF)
 if (HB_BUILD_UTILS)
@@ -55,6 +55,7 @@ include_directories(AFTER
   )
 
 add_definitions(-DHAVE_OT)
+add_definitions(-DHAVE_FALLBACK)
 
 if (BUILD_SHARED_LIBS)
   add_definitions(-DHAVE_ATEXIT)
@@ -101,6 +102,7 @@ file(READ ${PROJECT_SOURCE_DIR}/src/hb-ucdn/Makefile.sources UCDNSOURCES)
 
 extract_make_variable(HB_BASE_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
 extract_make_variable(HB_BASE_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_FALLBACK_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
 extract_make_variable(HB_OT_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
 extract_make_variable(HB_OT_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
 
@@ -169,6 +171,7 @@ set(project_sources
   ${HB_BASE_sources}
   ${HB_BASE_RAGEL_GENERATED_sources}
 
+  ${HB_FALLBACK_sources}
   ${HB_OT_sources}
   ${HB_OT_RAGEL_GENERATED_sources}
   )
@@ -388,4 +391,20 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
     RUNTIME DESTINATION bin
     FRAMEWORK DESTINATION Library/Frameworks
     )
+  if (HB_BUILD_UTILS)
+    install(TARGETS hb-view
+      RUNTIME DESTINATION bin
+    )
+    install(TARGETS hb-view
+      RUNTIME DESTINATION bin
+    )
+
+    install(TARGETS hb-shape
+      RUNTIME DESTINATION bin
+    )
+
+    install(TARGETS hb-ot-shape-closure
+      RUNTIME DESTINATION bin
+    )
+  endif ()
 endif ()
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 775068efa..9fe8a40e3 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -72,7 +72,9 @@ HB_NODIST_headers = \
 	hb-version.h \
 	$(NULL)
 
-HB_FALLBACK_sources = hb-fallback-shape.cc
+HB_FALLBACK_sources = \
+	hb-fallback-shape.cc	\
+	$(NULL)
 
 HB_OT_sources = \
 	hb-ot-font.cc \

From 53db221259b5eea4d2244321b2fe96beb39aef7d Mon Sep 17 00:00:00 2001
From: Chun-wei Fan <fanchunwei@src.gnome.org>
Date: Wed, 18 Oct 2017 15:43:57 +0800
Subject: [PATCH 0498/1326] CMake: Support building HarfBuzz-GObject

This adds support to the CMake build files to support building
HarfBuzz-GObject, which is actually a little bit complicated,
as we need to:

-Run glib-mkenums, which is a Python (for newer GLib/GObject) or PERL
 (for older, pre 2.53.4, GLib/GObject) script.  This matters more for
 Visual Studio builds as shebang lines are not supported, so we need to
 test-run it with PERL or Python to determine which is the correct
 interpretor to use.

-Next, we need to replace strings in the sources that we obtain from
 running glib-mkenums.  So, the solution here is to use a small utility
 CMake script for our purposes here, to maintain maximum compatibility.

-Ensure that things do work in the Visual Studio IDE builds.
---
 CMakeLists.txt             | 128 +++++++++++++++++++++++++++++++++++++
 Makefile.am                |   1 +
 replace-enum-strings.cmake |  21 ++++++
 3 files changed, 150 insertions(+)
 create mode 100644 replace-enum-strings.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1cdf74bb3..fd2375370 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,6 +49,11 @@ if (HB_BUILD_UTILS)
   set(HB_HAVE_FREETYPE ON)
 endif ()
 
+option(HB_HAVE_GOBJECT "Enable GObject Bindings" OFF)
+if (HB_HAVE_GOBJECT)
+  set(HB_HAVE_GLIB ON)
+endif ()
+
 include_directories(AFTER
   ${PROJECT_SOURCE_DIR}/src
   ${PROJECT_BINARY_DIR}/src
@@ -301,6 +306,107 @@ if (WIN32 AND HB_HAVE_DIRECTWRITE)
   list(APPEND THIRD_PARTY_LIBS dwrite rpcrt4)
 endif ()
 
+if (HB_HAVE_GOBJECT)
+  include(FindPythonInterp)
+  include(FindPerl)
+  
+  # Use the hints from glib-2.0.pc to find glib-mkenums
+  find_package(PkgConfig)
+  pkg_check_modules(PC_GLIB QUIET glib-2.0)
+  find_program(GLIB_MKENUMS glib-mkenums
+    HINTS ${PC_glib_mkenums}
+    )
+  set(GLIB_MKENUMS_CMD)
+
+  if (WIN32 AND NOT MINGW)
+    # In Visual Studio builds, shebang lines are not supported
+    # in the standard cmd.exe shell that we use, so we need to
+    # first determine whether glib-mkenums is a Python or PERL
+    # script
+    execute_process(COMMAND "${PYTHON_EXECUTABLE}" "${GLIB_MKENUMS}" --version
+      RESULT_VARIABLE GLIB_MKENUMS_PYTHON
+      OUTPUT_QUIET ERROR_QUIET
+      )
+    if (GLIB_MKENUMS_PYTHON EQUAL 0)
+      message("${GLIB_MKENUMS} is a Python script.")
+      set(GLIB_MKENUMS_CMD "${PYTHON_EXECUTABLE}" "${GLIB_MKENUMS}")
+    else ()
+      execute_process(COMMAND "${PERL_EXECUTABLE}" "${GLIB_MKENUMS}" --version
+        RESULT_VARIABLE GLIB_MKENUMS_PERL
+        OUTPUT_QUIET ERROR_QUIET
+        )
+      if (GLIB_MKENUMS_PERL EQUAL 0)
+        message("${GLIB_MKENUMS} is a PERL script.")
+        set(GLIB_MKENUMS_CMD "${PERL_EXECUTABLE}" "${GLIB_MKENUMS}")
+      endif ()
+      if (NOT GLIB_MKENUMS_PERL EQUAL 0 AND NOT GLIB_MKENUMS_PYTHON EQUAL 0)
+        message(FATAL_ERROR "Unable to determine type of glib-mkenums script")
+      endif ()
+	endif ()
+  else ()
+    set(GLIB_MKENUMS_CMD "${GLIB_MKENUMS}")
+  endif ()
+  if (NOT GLIB_MKENUMS_CMD)
+    message(FATAL_ERROR "HB_HAVE_GOBJECT was set, but we failed to find glib-mkenums, which is required")
+  endif()
+
+  pkg_check_modules(PC_GOBJECT QUIET gobject-2.0)
+
+  find_library(GOBJECT_LIBRARIES NAMES gobject-2.0 HINTS ${PC_GLIB_LIBDIR} ${PC_GLIB_LIBRARY_DIRS})
+  find_path(GOBJECT_INCLUDE_DIR NAMES glib-object.h HINTS ${PC_GLIB_INCLUDEDIR} ${PC_GLIB_INCLUDE_DIRS} PATH_SUFFIXES glib-2.0)
+
+  include_directories(${GOBJECTCONFIG_INCLUDE_DIR} ${GOBJECT_INCLUDE_DIR})
+  mark_as_advanced(GOBJECT_LIBRARIES GOBJECT_INCLUDE_DIR)
+
+  list(APPEND hb_gobject_sources ${PROJECT_SOURCE_DIR}/src/hb-gobject-structs.cc)
+  list(APPEND hb_gobject_gen_sources
+    ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc
+    )
+  list(APPEND hb_gobject_headers
+    ${PROJECT_SOURCE_DIR}/src/hb-gobject.h
+    ${PROJECT_SOURCE_DIR}/src/hb-gobject-structs.h
+    )
+  list(APPEND hb_gobject_gen_headers
+    ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
+    )
+
+  add_custom_command (
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
+    COMMAND ${GLIB_MKENUMS_CMD}
+      --template=${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.h.tmpl
+      --identifier-prefix hb_
+      --symbol-prefix hb_gobject
+      ${hb_gobject_header}
+      ${project_headers}
+      > ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h.tmp
+    COMMAND "${CMAKE_COMMAND}"
+      "-DENUM_INPUT_SRC=${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h.tmp"
+      "-DENUM_OUTPUT_SRC=${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h"
+      -P ${PROJECT_SOURCE_DIR}/replace-enum-strings.cmake
+    DEPENDS ${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.h.tmpl
+      ${hb_gobject_header}
+      ${project_headers}
+    )
+
+  add_custom_command (
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc
+    COMMAND ${GLIB_MKENUMS_CMD}
+      --template=${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.cc.tmpl
+      --identifier-prefix hb_
+      --symbol-prefix hb_gobject
+      ${hb_gobject_header}
+      ${project_headers}
+      > ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc.tmp
+    COMMAND "${CMAKE_COMMAND}"
+      "-DENUM_INPUT_SRC=${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc.tmp"
+      "-DENUM_OUTPUT_SRC=${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc"
+      -P ${PROJECT_SOURCE_DIR}/replace-enum-strings.cmake
+    DEPENDS ${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.cc.tmpl
+      ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
+      ${hb_gobject_header}
+      ${project_headers}
+    )
+endif ()
 
 ## Atomic ops availability detection
 file(WRITE "${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c"
@@ -338,6 +444,18 @@ endif ()
 add_library(harfbuzz ${project_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
+## Define harfbuzz-gobject library
+if (HB_HAVE_GOBJECT)
+  add_library(harfbuzz-gobject
+    ${hb_gobject_sources}
+    ${hb_gobject_gen_sources}
+    ${hb_gobject_headers}
+    ${hb_gobject_gen_headers}
+    )
+  include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  add_dependencies(harfbuzz-gobject harfbuzz)
+  target_link_libraries(harfbuzz-gobject harfbuzz ${GOBJECT_LIBRARIES} ${THIRD_PARTY_LIBS})
+endif ()
 
 ## Additional framework build configs
 if (BUILD_FRAMEWORK)
@@ -382,6 +500,9 @@ endif ()
 ## Install
 if (NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
   install(FILES ${project_headers} DESTINATION include/harfbuzz)
+  if (HB_HAVE_GOBJECT)
+    install(FILES ${hb_gobject_headers} ${hb_gobject_gen_headers} DESTINATION include/harfbuzz)
+  endif ()
 endif ()
 
 if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
@@ -407,4 +528,11 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
       RUNTIME DESTINATION bin
     )
   endif ()
+  if (HB_HAVE_GOBJECT)
+    install(TARGETS harfbuzz-gobject
+      ARCHIVE DESTINATION lib
+      LIBRARY DESTINATION lib
+      RUNTIME DESTINATION bin
+    )
+  endif ()
 endif ()
diff --git a/Makefile.am b/Makefile.am
index 07b38c287..fde525642 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -13,6 +13,7 @@ EXTRA_DIST = \
 	BUILD.md \
 	RELEASING.md \
 	CMakeLists.txt \
+	replace-enum-strings.cmake \
 	$(NULL)
 
 MAINTAINERCLEANFILES = \
diff --git a/replace-enum-strings.cmake b/replace-enum-strings.cmake
new file mode 100644
index 000000000..42fdbff90
--- /dev/null
+++ b/replace-enum-strings.cmake
@@ -0,0 +1,21 @@
+# CMake script to replace items
+# in sources generated by glib-mkenums
+
+FILE(READ ${ENUM_INPUT_SRC} enum_in)
+
+STRING(REPLACE
+  "_t_get_type"
+  "_get_type"
+  enum_out_tmp
+  "${enum_in}"
+  )
+
+STRING(REPLACE
+  "_T ("
+  " ("
+  enum_out
+  "${enum_out_tmp}"
+  )
+
+FILE(WRITE ${ENUM_OUTPUT_SRC} "${enum_out}")
+FILE(REMOVE ${ENUM_INPUT_SRC})
\ No newline at end of file

From 41b1825196235d4337c76f97e09f0b7c6d6c56ae Mon Sep 17 00:00:00 2001
From: Chun-wei Fan <fanchunwei@src.gnome.org>
Date: Thu, 19 Oct 2017 18:36:32 +0800
Subject: [PATCH 0499/1326] CMake builds: Support introspection builds

This adds support for introspection builds on Windows that is enabled by
the HB_HAVE_INTROSPECTION option, which will also enable HB_HAVE_GOBJECT
(and so HB_HAVE_GLIB) as they are required for introspection.

In order for this to work one must ensure that the Python installation
listed in PYTHON_EXECUTABLE is the same Python release series that was
used to build _giscanner.pyd (the Python module that is used by
g-ir-scanner), with the same architecture.  PKG_CONFIG_PATH and PATH
must be set correctly if $(PREFIX)\bin and/or $(PREFIX)\lib\pkgconfig
are not in the standard PATH and PKG_CONFIG_PATH, which is actually
in-line with the *NIX builds.
---
 CMakeLists.txt | 161 ++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 154 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fd2375370..8d2825758 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,6 +54,12 @@ if (HB_HAVE_GOBJECT)
   set(HB_HAVE_GLIB ON)
 endif ()
 
+option(HB_HAVE_INTROSPECTION "Enable building introspection (.gir/.typelib) files" OFF)
+if (HB_HAVE_INTROSPECTION)
+  set(HB_HAVE_GOBJECT ON)
+  set(HB_HAVE_GLIB ON)
+endif ()
+
 include_directories(AFTER
   ${PROJECT_SOURCE_DIR}/src
   ${PROJECT_BINARY_DIR}/src
@@ -181,6 +187,8 @@ set(project_sources
   ${HB_OT_RAGEL_GENERATED_sources}
   )
 
+set(project_extra_sources)
+
 set(project_headers
   ${HB_VERSION_H}
 
@@ -226,10 +234,8 @@ if (HB_BUILTIN_UCDN)
   include_directories(src/hb-ucdn)
   add_definitions(-DHAVE_UCDN)
 
-  list(APPEND project_sources
-    ${PROJECT_SOURCE_DIR}/src/hb-ucdn.cc
-    ${LIBHB_UCDN_sources}
-    )
+  list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ucdn.cc)
+  list(APPEND project_extra_sources ${LIBHB_UCDN_sources})
 endif ()
 
 if (HB_HAVE_GLIB)
@@ -362,9 +368,12 @@ if (HB_HAVE_GOBJECT)
   list(APPEND hb_gobject_gen_sources
     ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc
     )
+  list(APPEND hb_gobject_structs_headers
+    ${PROJECT_SOURCE_DIR}/src/hb-gobject-structs.h
+    )
   list(APPEND hb_gobject_headers
     ${PROJECT_SOURCE_DIR}/src/hb-gobject.h
-    ${PROJECT_SOURCE_DIR}/src/hb-gobject-structs.h
+    ${hb_gobject_structs_headers}
     )
   list(APPEND hb_gobject_gen_headers
     ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
@@ -376,7 +385,7 @@ if (HB_HAVE_GOBJECT)
       --template=${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.h.tmpl
       --identifier-prefix hb_
       --symbol-prefix hb_gobject
-      ${hb_gobject_header}
+      ${hb_gobject_structs_headers}
       ${project_headers}
       > ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h.tmp
     COMMAND "${CMAKE_COMMAND}"
@@ -441,7 +450,7 @@ endif ()
 
 
 ## Define harfbuzz library
-add_library(harfbuzz ${project_sources} ${project_headers})
+add_library(harfbuzz ${project_sources} ${project_extra_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
 ## Define harfbuzz-gobject library
@@ -457,6 +466,129 @@ if (HB_HAVE_GOBJECT)
   target_link_libraries(harfbuzz-gobject harfbuzz ${GOBJECT_LIBRARIES} ${THIRD_PARTY_LIBS})
 endif ()
 
+# On Windows, g-ir-scanner requires a DLL build in order for it to work
+if (WIN32)
+  if (NOT BUILD_SHARED_LIBS)
+    message("Building introspection files on Windows requires BUILD_SHARED_LIBS to be enabled.")
+    set(HB_HAVE_INTROSPECTION OFF)
+  endif ()
+endif ()
+
+if (HB_HAVE_INTROSPECTION)
+
+  find_package(PkgConfig)
+  pkg_check_modules(PC_GI QUIET gobject-introspection-1.0)
+
+  find_program(G_IR_SCANNER g-ir-scanner
+    HINTS ${PC_g_ir_scanner}
+    )
+
+  find_program(G_IR_COMPILER g-ir-compiler
+    HINTS ${PC_g_ir_compiler}
+    )
+
+  if (WIN32 AND NOT MINGW)
+    # Note that since we already enable HB_HAVE_GOBJECT
+    # we would already have PYTHON_EXECUTABLE handy
+    set(G_IR_SCANNER_CMD "${PYTHON_EXECUTABLE}" "${G_IR_SCANNER}")
+  else ()
+    set(G_IR_SCANNER_CMD "${G_IR_SCANNER}")
+  endif ()
+
+  # We need to account for the varying output directories
+  # when we build using Visual Studio projects
+  if("${CMAKE_GENERATOR}" MATCHES "Visual Studio*")
+    set (hb_libpath "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIGURATION>")
+  else ()
+    set (hb_libpath "$<TARGET_FILE_DIR:harfbuzz-gobject>")
+  endif ()
+
+  # Get the CFlags that we used to build HarfBuzz/HarfBuzz-GObject
+  set (hb_defines_cflags "")
+  foreach(hb_cflag ${hb_cflags})
+    list(APPEND hb_defines_cflags "-D${hb_cflag}")
+  endforeach(hb_cflag)
+
+  # Get the other dependent libraries we used to build HarfBuzz/HarfBuzz-GObject
+  set (extra_libs "")
+  foreach (extra_lib ${THIRD_PARTY_LIBS})
+    # We don't want the .lib extension here...
+    string(REPLACE ".lib" "" extra_lib_stripped "${extra_lib}")
+    list(APPEND extra_libs "--extra-library=${extra_lib_stripped}")
+  endforeach ()
+
+  set(introspected_sources)
+  foreach (f
+    ${project_headers}
+    ${project_sources}
+    ${hb_gobject_gen_sources}
+    ${hb_gobject_gen_headers}
+    ${hb_gobject_sources}
+    ${hb_gobject_headers}
+    )
+    if (WIN32)
+      # Nasty issue: We need to make drive letters lower case,
+      # otherwise g-ir-scanner won't like it and give us a bunch
+      # of invalid items and unresolved types...
+      STRING(SUBSTRING "${f}" 0 1 drive)
+      STRING(SUBSTRING "${f}" 1 -1 path)
+      if (drive MATCHES "[A-Z]")
+        STRING(TOLOWER ${drive} drive_lower)
+        list(APPEND introspected_sources "${drive_lower}${path}")
+      else ()
+        list(APPEND introspected_sources "${f}")
+      endif ()
+    else ()
+      list(APPEND introspected_sources "${f}")
+    endif ()
+  endforeach ()
+
+  # Finally, build the introspection files...
+  add_custom_command (
+    TARGET harfbuzz-gobject
+    POST_BUILD
+    COMMAND ${G_IR_SCANNER_CMD}
+      --warn-all --no-libtool --verbose
+      -n hb
+      --namespace=HarfBuzz
+      --nsversion=0.0
+      --identifier-prefix=hb_
+      --include GObject-2.0
+      --pkg-export=harfbuzz
+      --cflags-begin
+      -I${PROJECT_SOURCE_DIR}/src
+      -I${PROJECT_BINARY_DIR}/src
+      ${hb_includedir_cflags}
+      ${hb_defines_cflags}
+      -DHB_H
+      -DHB_H_IN
+      -DHB_OT_H
+      -DHB_OT_H_IN
+      -DHB_GOBJECT_H
+      -DHB_GOBJECT_H_IN
+      -DHB_EXTERN=
+      --cflags-end
+      --library=harfbuzz-gobject
+      --library=harfbuzz
+      -L${hb_libpath}
+      ${extra_libs}
+      ${introspected_sources}
+      -o ${hb_libpath}/HarfBuzz-0.0.gir
+    DEPENDS harfbuzz-gobject harfbuzz
+    )
+
+  add_custom_command (
+    TARGET harfbuzz-gobject
+    POST_BUILD
+    COMMAND "${G_IR_COMPILER}"
+      --verbose --debug
+      --includedir ${CMAKE_CURRENT_BINARY_DIR}
+      ${hb_libpath}/HarfBuzz-0.0.gir
+      -o ${hb_libpath}/HarfBuzz-0.0.typelib
+    DEPENDS ${hb_libpath}/HarfBuzz-0.0.gir harfbuzz-gobject
+    )
+endif ()
+
 ## Additional framework build configs
 if (BUILD_FRAMEWORK)
   set(CMAKE_MACOSX_RPATH ON)
@@ -534,5 +666,20 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
       LIBRARY DESTINATION lib
       RUNTIME DESTINATION bin
     )
+    if (HB_HAVE_INTROSPECTION)
+      if("${CMAKE_GENERATOR}" MATCHES "Visual Studio*")
+        set (hb_libpath "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIGURATION>")
+      else ()
+        set (hb_libpath "$<TARGET_FILE_DIR:harfbuzz-gobject>")
+      endif ()
+
+      install(FILES "${hb_libpath}/HarfBuzz-0.0.gir"
+        DESTINATION share/gir-1.0
+        )
+
+      install(FILES "${hb_libpath}/HarfBuzz-0.0.typelib"
+        DESTINATION lib/girepository-1.0
+        )
+    endif ()
   endif ()
 endif ()

From 7c561dacc3c5fb9306db8bda27b7289331bd523f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Oct 2017 11:35:51 -0700
Subject: [PATCH 0500/1326] [myanmar] Fix unsafe usage of FLAG_SAFE()

The commit f559c633073f63b9d87cb2440048b4413cfa1c05 caused
"undefined-shift" errors in Myanmar shaper as we changed the
numeric value of type D from 19 to 32 there, making the
"FLAG_SAFE (info.myanmar_category())" wrong.

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3546
---
 src/hb-ot-shape-complex-myanmar.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 8b8e41723..f446fe625 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -154,7 +154,7 @@ is_one_of (const hb_glyph_info_t &info, unsigned int flags)
 {
   /* If it ligated, all bets are off. */
   if (_hb_glyph_info_ligated (&info)) return false;
-  return !!(FLAG_SAFE (info.myanmar_category()) & flags);
+  return !!(FLAG_UNSAFE (info.myanmar_category()) & flags);
 }
 
 static inline bool

From 6058f98825e8f134893a1bbfb402e45d85b56ff0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Oct 2017 11:39:52 -0700
Subject: [PATCH 0501/1326] Remove FLAG_SAFE()

No flag is safe, over time... See previous commit.
---
 src/hb-ot-shape-complex-arabic.cc |  4 ++--
 src/hb-ot-shape-complex-indic.cc  | 12 ++++++------
 src/hb-ot-shape-complex-use.cc    |  2 +-
 src/hb-private.hh                 |  5 ++---
 src/hb-unicode-private.hh         |  4 ++--
 5 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index be02e3f74..4a92d4109 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -41,7 +41,7 @@
 /* See:
  * https://github.com/behdad/harfbuzz/commit/6e6f82b6f3dde0fc6c3c7d991d9ec6cfff57823d#commitcomment-14248516 */
 #define HB_ARABIC_GENERAL_CATEGORY_IS_WORD(gen_cat) \
-	(FLAG_SAFE (gen_cat) & \
+	(FLAG_UNSAFE (gen_cat) & \
 	 (FLAG (HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED) | \
 	  FLAG (HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE) | \
 	  /*FLAG (HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER) |*/ \
@@ -90,7 +90,7 @@ static unsigned int get_joining_type (hb_codepoint_t u, hb_unicode_general_categ
   if (likely (j_type != JOINING_TYPE_X))
     return j_type;
 
-  return (FLAG_SAFE(gen_cat) &
+  return (FLAG_UNSAFE(gen_cat) &
 	  (FLAG(HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK) |
 	   FLAG(HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK) |
 	   FLAG(HB_UNICODE_GENERAL_CATEGORY_FORMAT))
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 324333c75..05a513692 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -142,7 +142,7 @@ is_one_of (const hb_glyph_info_t &info, unsigned int flags)
 {
   /* If it ligated, all bets are off. */
   if (_hb_glyph_info_ligated (&info)) return false;
-  return !!(FLAG_SAFE (info.indic_category()) & flags);
+  return !!(FLAG_UNSAFE (info.indic_category()) & flags);
 }
 
 static inline bool
@@ -233,7 +233,7 @@ set_indic_properties (hb_glyph_info_t &info)
    * Re-assign position.
    */
 
-  if ((FLAG_SAFE (cat) & CONSONANT_FLAGS))
+  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
   {
     pos = POS_BASE_C;
     if (is_ra (u))
@@ -243,7 +243,7 @@ set_indic_properties (hb_glyph_info_t &info)
   {
     pos = matra_position (u, pos);
   }
-  else if ((FLAG_SAFE (cat) & (FLAG (OT_SM) | FLAG (OT_VD) | FLAG (OT_A) | FLAG (OT_Symbol))))
+  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_VD) | FLAG (OT_A) | FLAG (OT_Symbol))))
   {
     pos = POS_SMVD;
   }
@@ -968,7 +968,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
     indic_position_t last_pos = POS_START;
     for (unsigned int i = start; i < end; i++)
     {
-      if ((FLAG_SAFE (info[i].indic_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | HALANT_OR_COENG_FLAGS)))
+      if ((FLAG_UNSAFE (info[i].indic_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | HALANT_OR_COENG_FLAGS)))
       {
 	info[i].indic_position() = last_pos;
 	if (unlikely (info[i].indic_category() == OT_H &&
@@ -1538,7 +1538,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     {
       new_reph_pos = base;
       while (new_reph_pos + 1 < end &&
-	     !( FLAG_SAFE (info[new_reph_pos + 1].indic_position()) & (FLAG (POS_POST_C) | FLAG (POS_AFTER_POST) | FLAG (POS_SMVD))))
+	     !( FLAG_UNSAFE (info[new_reph_pos + 1].indic_position()) & (FLAG (POS_POST_C) | FLAG (POS_AFTER_POST) | FLAG (POS_SMVD))))
 	new_reph_pos++;
       if (new_reph_pos < end)
         goto reph_move;
@@ -1688,7 +1688,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
   /* Apply 'init' to the Left Matra if it's a word start. */
   if (info[start].indic_position () == POS_PRE_M &&
       (!start ||
-       !(FLAG_SAFE (_hb_glyph_info_get_general_category (&info[start - 1])) &
+       !(FLAG_UNSAFE (_hb_glyph_info_get_general_category (&info[start - 1])) &
 	 FLAG_RANGE (HB_UNICODE_GENERAL_CATEGORY_FORMAT, HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK))))
     info[start].mask |= indic_plan->mask_array[INIT];
 
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index 1f43ac7c2..a2cacac59 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -424,7 +424,7 @@ reorder_syllable (hb_buffer_t *buffer, unsigned int start, unsigned int end)
 {
   syllable_type_t syllable_type = (syllable_type_t) (buffer->info[start].syllable() & 0x0F);
   /* Only a few syllable types need reordering. */
-  if (unlikely (!(FLAG_SAFE (syllable_type) &
+  if (unlikely (!(FLAG_UNSAFE (syllable_type) &
 		  (FLAG (virama_terminated_cluster) |
 		   FLAG (standard_cluster) |
 		   FLAG (broken_cluster) |
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 3c0049283..17f798cb9 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -1001,11 +1001,10 @@ hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3)
 
 /* Useful for set-operations on small enums.
  * For example, for testing "x ∈ {x1, x2, x3}" use:
- * (FLAG_SAFE(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3)))
+ * (FLAG_UNSAFE(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3)))
  */
 #define FLAG(x) (ASSERT_STATIC_EXPR_ZERO ((x) < 32) + (1U << (x)))
-#define FLAG_SAFE(x) (1U << (x))
-#define FLAG_UNSAFE(x) ((x) < 32 ? FLAG_SAFE(x) : 0)
+#define FLAG_UNSAFE(x) ((x) < 32 ? (1U << (x)) : 0)
 #define FLAG_RANGE(x,y) (ASSERT_STATIC_EXPR_ZERO ((x) < (y)) + FLAG(y+1) - FLAG(x))
 
 
diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index 44a7471cf..ac17f283f 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -357,13 +357,13 @@ extern HB_INTERNAL const hb_unicode_funcs_t _hb_unicode_funcs_nil;
 /* Misc */
 
 #define HB_UNICODE_GENERAL_CATEGORY_IS_MARK(gen_cat) \
-	(FLAG_SAFE (gen_cat) & \
+	(FLAG_UNSAFE (gen_cat) & \
 	 (FLAG (HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK) | \
 	  FLAG (HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK) | \
 	  FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))
 
 #define HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK_OR_MODIFIER_SYMBOL(gen_cat) \
-	(FLAG_SAFE (gen_cat) & \
+	(FLAG_UNSAFE (gen_cat) & \
 	 (FLAG (HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK) | \
 	  FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK) | \
 	  FLAG (HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL)))

From d8adaa97fbf33071b8a4b5c05c3f2f15f2fd22ea Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 20 Oct 2017 13:57:43 -0400
Subject: [PATCH 0502/1326] Another try at fixing build bots

hb-ot-shape.cc:287:18: error: comparison of constant 32 with expression of type 'hb_unicode_general_category_t' is always true [-Werror,-Wtautological-constant-out-of-range-compare]
---
 src/hb-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 17f798cb9..333199a3c 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -1003,8 +1003,8 @@ hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3)
  * For example, for testing "x ∈ {x1, x2, x3}" use:
  * (FLAG_UNSAFE(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3)))
  */
-#define FLAG(x) (ASSERT_STATIC_EXPR_ZERO ((x) < 32) + (1U << (x)))
-#define FLAG_UNSAFE(x) ((x) < 32 ? (1U << (x)) : 0)
+#define FLAG(x) (ASSERT_STATIC_EXPR_ZERO ((unsigned int)(x) < 32) + (1U << (unsigned int)(x)))
+#define FLAG_UNSAFE(x) ((unsigned int)(x) < 32 ? (1U << (unsigned int)(x)) : 0)
 #define FLAG_RANGE(x,y) (ASSERT_STATIC_EXPR_ZERO ((x) < (y)) + FLAG(y+1) - FLAG(x))
 
 

From bfe0faf1a2d39302129a7202994456afd96694ca Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Oct 2017 15:54:50 -0400
Subject: [PATCH 0503/1326] [docs] Deprecate hb_set_invert()

---
 docs/harfbuzz-sections.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 0013b342d..51ee56d40 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -151,6 +151,7 @@ HB_BUFFER_SERIALIZE_FLAGS_DEFAULT
 HB_SCRIPT_CANADIAN_ABORIGINAL
 hb_font_funcs_set_glyph_func
 hb_font_get_glyph_func_t
+hb_set_invert
 </SECTION>
 
 <SECTION>
@@ -518,7 +519,6 @@ hb_set_get_population
 hb_set_get_user_data
 hb_set_has
 hb_set_intersect
-hb_set_invert
 hb_set_is_empty
 hb_set_is_equal
 hb_set_next

From 3ee15a60358f4d894bbf2431d7a7df38b7acc4ce Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Oct 2017 17:03:36 -0400
Subject: [PATCH 0504/1326] Another try at fixing mingw32 build bot fail

---
 src/hb-private.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 333199a3c..3d617e2a5 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -337,10 +337,10 @@ static inline HB_CONST_FUNC unsigned int
 _hb_popcount64 (uint64_t mask)
 {
 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
-  return __builtin_popcountl (mask);
-#else
-  return _hb_popcount32 (mask) + _hb_popcount32 (mask >> 32);
+  if (sizeof (long) >= sizeof (mask))
+    return __builtin_popcountl (mask);
 #endif
+  return _hb_popcount32 (mask) + _hb_popcount32 (mask >> 32);
 }
 template <typename T> static inline unsigned int _hb_popcount (T mask);
 template <> inline unsigned int _hb_popcount<uint32_t> (uint32_t mask) { return _hb_popcount32 (mask); }

From ced86da7ddbbd0d64f8ba1290b8e67600b1db2d4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Oct 2017 17:03:36 -0400
Subject: [PATCH 0505/1326] Another try at fixing mingw32 build bot fail

---
 src/hb-private.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 333199a3c..3d617e2a5 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -337,10 +337,10 @@ static inline HB_CONST_FUNC unsigned int
 _hb_popcount64 (uint64_t mask)
 {
 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
-  return __builtin_popcountl (mask);
-#else
-  return _hb_popcount32 (mask) + _hb_popcount32 (mask >> 32);
+  if (sizeof (long) >= sizeof (mask))
+    return __builtin_popcountl (mask);
 #endif
+  return _hb_popcount32 (mask) + _hb_popcount32 (mask >> 32);
 }
 template <typename T> static inline unsigned int _hb_popcount (T mask);
 template <> inline unsigned int _hb_popcount<uint32_t> (uint32_t mask) { return _hb_popcount32 (mask); }

From 0ca915efc3734111a57ff71f05d9cbf0e8af3de9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Oct 2017 17:38:33 -0400
Subject: [PATCH 0506/1326] 1.6.1

---
 NEWS         | 13 +++++++++++++
 configure.ac |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 4973d1242..19daabf76 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,16 @@
+Overview of changes leading to 1.6.1
+Sunday, October 22nd, 2017
+====================================
+
+- Don't skip over COMBINING GRAPHEME JOINER when ligating, etc.
+  To be refined: https://github.com/behdad/harfbuzz/issues/554
+- Faster hb_set_t implementation.
+- Don't use deprecated ICU API.
+- Fix undefined-behavior in Myanmar shaper, introduced in 1.6.0
+- Deprecated API:
+  hb_set_invert()
+
+
 Overview of changes leading to 1.6.0
 Friday, October the 13th, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index ba093929a..1e00e3d5f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.6.0],
+        [1.6.1],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 8b9d9b71b04c9d5698ec146658b31381060c700d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Oct 2017 17:48:06 -0400
Subject: [PATCH 0507/1326] Fix set initialization issues

---
 src/hb-ot-layout-gsubgpos-private.hh | 12 ++++++------
 src/hb-ot-shape.cc                   | 17 +++++++++--------
 src/hb-set-private.hh                |  9 ---------
 src/hb-set.cc                        |  6 ++++--
 4 files changed, 19 insertions(+), 25 deletions(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 4abd4b715..e695d7882 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -160,7 +160,7 @@ struct hb_collect_glyphs_context_t :
       return HB_VOID;
 
     /* Return if new lookup was recursed to before. */
-    if (recursed_lookups.has (lookup_index))
+    if (recursed_lookups->has (lookup_index))
       return HB_VOID;
 
     hb_set_t *old_before = before;
@@ -176,7 +176,7 @@ struct hb_collect_glyphs_context_t :
     input  = old_input;
     after  = old_after;
 
-    recursed_lookups.add (lookup_index);
+    recursed_lookups->add (lookup_index);
 
     return HB_VOID;
   }
@@ -187,7 +187,7 @@ struct hb_collect_glyphs_context_t :
   hb_set_t *after;
   hb_set_t *output;
   recurse_func_t recurse_func;
-  hb_set_t recursed_lookups;
+  hb_set_t *recursed_lookups;
   unsigned int nesting_level_left;
   unsigned int debug_depth;
 
@@ -203,15 +203,15 @@ struct hb_collect_glyphs_context_t :
 			      after  (glyphs_after  ? glyphs_after  : hb_set_get_empty ()),
 			      output (glyphs_output ? glyphs_output : hb_set_get_empty ()),
 			      recurse_func (nullptr),
-			      recursed_lookups (),
+			      recursed_lookups (nullptr),
 			      nesting_level_left (nesting_level_left_),
 			      debug_depth (0)
   {
-    recursed_lookups.init ();
+    recursed_lookups = hb_set_create ();
   }
   ~hb_collect_glyphs_context_t (void)
   {
-    recursed_lookups.fini ();
+    hb_set_destroy (recursed_lookups);
   }
 
   void set_recurse_func (recurse_func_t func) { recurse_func = func; }
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 9d1d6f748..624132d89 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -939,18 +939,19 @@ hb_ot_shape_glyphs_closure (hb_font_t          *font,
   for (unsigned int i = 0; i < count; i++)
     add_char (font, buffer->unicode, mirror, info[i].codepoint, glyphs);
 
-  hb_set_t lookups;
-  lookups.init ();
-  hb_ot_shape_plan_collect_lookups (shape_plan, HB_OT_TAG_GSUB, &lookups);
+  hb_set_t *lookups = hb_set_create ();
+  hb_ot_shape_plan_collect_lookups (shape_plan, HB_OT_TAG_GSUB, lookups);
 
   /* And find transitive closure. */
-  hb_set_t copy;
-  copy.init ();
+  hb_set_t *copy = hb_set_create ();
   do {
-    copy.set (glyphs);
-    for (hb_codepoint_t lookup_index = -1; hb_set_next (&lookups, &lookup_index);)
+    copy->set (glyphs);
+    for (hb_codepoint_t lookup_index = -1; hb_set_next (lookups, &lookup_index);)
       hb_ot_layout_lookup_substitute_closure (font->face, lookup_index, glyphs);
-  } while (!copy.is_equal (glyphs));
+  } while (!copy->is_equal (glyphs));
+  hb_set_destroy (copy);
+
+  hb_set_destroy (lookups);
 
   hb_shape_plan_destroy (shape_plan);
 }
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 689766c13..9e0c11e14 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -175,15 +175,6 @@ struct hb_set_t
     return true;
   }
 
-  inline void init (void) {
-    hb_object_init (this);
-    page_map.init ();
-    pages.init ();
-  }
-  inline void fini (void) {
-    page_map.finish ();
-    pages.finish ();
-  }
   inline void clear (void) {
     if (unlikely (hb_object_is_inert (this)))
       return;
diff --git a/src/hb-set.cc b/src/hb-set.cc
index d33e525de..e2c788225 100644
--- a/src/hb-set.cc
+++ b/src/hb-set.cc
@@ -45,7 +45,8 @@ hb_set_create (void)
   if (!(set = hb_object_create<hb_set_t> ()))
     return hb_set_get_empty ();
 
-  set->clear ();
+  set->page_map.init ();
+  set->pages.init ();
 
   return set;
 }
@@ -95,7 +96,8 @@ hb_set_destroy (hb_set_t *set)
 {
   if (!hb_object_destroy (set)) return;
 
-  set->fini ();
+  set->page_map.finish ();
+  set->pages.finish ();
 
   free (set);
 }

From 19923279abd4c7615e8b02e05a02ba18f5c0b298 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Mon, 23 Oct 2017 01:47:51 +0330
Subject: [PATCH 0508/1326] Clarify the last step of release

---
 RELEASING.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/RELEASING.md b/RELEASING.md
index 34f64988f..db50ed943 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -31,7 +31,7 @@ HarfBuzz release walk-through checklist:
 ```
 11. While doing that, quickly double-check the size of the .tar.bz2 and .zip files against their previous releases to make sure nothing bad happened.  They should be in the ballpark, perhaps slightly larger.  Sometimes they do shrink, that's not by itself a stopper.
 12. Push the commit and tag out: "git push --follow-tags".  Make sure it's pushed both to freedesktop repo and github.
-13. Upload artefacts and NEWS entry on the github release.
+13. Create a GitHub release [here](https://github.com/behdad/harfbuzz/releases), upload artefacts and NEWS entry on it also.
 
 
 ## MING32

From ce979454400c3870717ba40b1065a2f3727cfb93 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 22 Oct 2017 18:23:38 -0400
Subject: [PATCH 0509/1326] [icu] Fix error check

---
 src/hb-icu.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-icu.cc b/src/hb-icu.cc
index a00803c98..01d15f48e 100644
--- a/src/hb-icu.cc
+++ b/src/hb-icu.cc
@@ -332,13 +332,13 @@ hb_icu_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs HB_UNUSED,
   /* Normalise the codepoint using NFKD mode. */
   icu_err = U_ZERO_ERROR;
   len = unorm2_normalize (unorm2_getNFKDInstance (&icu_err), utf16, len, normalized, ARRAY_LENGTH (normalized), &icu_err);
-  if (icu_err)
+  if (U_FAILURE (icu_err))
     return 0;
 
   /* Convert the decomposed form from UTF-16 to UTF-32. */
   icu_err = U_ZERO_ERROR;
   u_strToUTF32 ((UChar32*) decomposed, HB_UNICODE_MAX_DECOMPOSITION_LEN, &utf32_len, normalized, len, &icu_err);
-  if (icu_err)
+  if (U_FAILURE (icu_err))
     return 0;
 
   return utf32_len;

From d0f0ff85b9fe959ef4b90f8daf58be73fca49dd0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 08:34:30 -0400
Subject: [PATCH 0510/1326] [set] Don't use PAGE_SIZE

Fixes https://github.com/behdad/harfbuzz/issues/576
---
 src/hb-set-private.hh | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 9e0c11e14..cca4d3f9b 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -156,6 +156,7 @@ struct hb_set_t
     elt_t const &elt (hb_codepoint_t g) const { return v[(g & MASK) / ELT_BITS]; }
     elt_t mask (hb_codepoint_t g) const { return elt_t (1) << (g & ELT_MASK); }
   };
+  static_assert (page_t::PAGE_BITS == sizeof (page_t) * 8, "");
 
   hb_object_header_t header;
   ASSERT_POD ();
@@ -367,7 +368,7 @@ struct hb_set_t
     {
       if (pages[page_map[i].index].next (codepoint))
       {
-	*codepoint += page_map[i].major * PAGE_SIZE;
+	*codepoint += page_map[i].major * page_t::PAGE_BITS;
         return true;
       }
       i++;
@@ -377,7 +378,7 @@ struct hb_set_t
       hb_codepoint_t m = pages[page_map[i].index].get_min ();
       if (m != INVALID)
       {
-	*codepoint = page_map[i].major * PAGE_SIZE + m;
+	*codepoint = page_map[i].major * page_t::PAGE_BITS + m;
 	return true;
       }
     }
@@ -415,7 +416,7 @@ struct hb_set_t
     unsigned int count = pages.len;
     for (unsigned int i = 0; i < count; i++)
       if (!page_at (i).is_empty ())
-        return page_map[i].major * PAGE_SIZE + page_at (i).get_min ();
+        return page_map[i].major * page_t::PAGE_BITS + page_at (i).get_min ();
     return INVALID;
   }
   inline hb_codepoint_t get_max (void) const
@@ -423,11 +424,10 @@ struct hb_set_t
     unsigned int count = pages.len;
     for (int i = count - 1; i >= 0; i++)
       if (!page_at (i).is_empty ())
-        return page_map[i].major * PAGE_SIZE + page_at (i).get_max ();
+        return page_map[i].major * page_t::PAGE_BITS + page_at (i).get_max ();
     return INVALID;
   }
 
-  static const unsigned int PAGE_SIZE = sizeof (page_t) * 8;
   static  const hb_codepoint_t INVALID = HB_SET_VALUE_INVALID;
 
   page_t *page_for_insert (hb_codepoint_t g)
@@ -463,7 +463,7 @@ struct hb_set_t
   }
   page_t &page_at (unsigned int i) { return pages[page_map[i].index]; }
   const page_t &page_at (unsigned int i) const { return pages[page_map[i].index]; }
-  unsigned int major (hb_codepoint_t g) const { return g / PAGE_SIZE; }
+  unsigned int major (hb_codepoint_t g) const { return g / page_t::PAGE_BITS; }
 };
 
 

From dd33e4e96b9345a6b1a9051a6aa4b7d114c74f1e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 08:36:40 -0400
Subject: [PATCH 0511/1326] [set] Don't use major()

Fixes https://github.com/behdad/harfbuzz/issues/577
---
 src/hb-set-private.hh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index cca4d3f9b..de34d172f 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -361,7 +361,7 @@ struct hb_set_t
       return *codepoint != INVALID;
     }
 
-    page_map_t map = {major (*codepoint), 0};
+    page_map_t map = {get_major (*codepoint), 0};
     unsigned int i;
     page_map.bfind (&map, &i);
     if (i < page_map.len)
@@ -432,7 +432,7 @@ struct hb_set_t
 
   page_t *page_for_insert (hb_codepoint_t g)
   {
-    page_map_t map = {major (g), pages.len};
+    page_map_t map = {get_major (g), pages.len};
     unsigned int i;
     if (!page_map.bfind (&map, &i))
     {
@@ -447,7 +447,7 @@ struct hb_set_t
   }
   page_t *page_for (hb_codepoint_t g)
   {
-    page_map_t key = {major (g)};
+    page_map_t key = {get_major (g)};
     const page_map_t *found = page_map.bsearch (&key);
     if (found)
       return &pages[found->index];
@@ -455,7 +455,7 @@ struct hb_set_t
   }
   const page_t *page_for (hb_codepoint_t g) const
   {
-    page_map_t key = {major (g)};
+    page_map_t key = {get_major (g)};
     const page_map_t *found = page_map.bsearch (&key);
     if (found)
       return &pages[found->index];
@@ -463,7 +463,7 @@ struct hb_set_t
   }
   page_t &page_at (unsigned int i) { return pages[page_map[i].index]; }
   const page_t &page_at (unsigned int i) const { return pages[page_map[i].index]; }
-  unsigned int major (hb_codepoint_t g) const { return g / page_t::PAGE_BITS; }
+  unsigned int get_major (hb_codepoint_t g) const { return g / page_t::PAGE_BITS; }
 };
 
 

From 2ee710e02fad1a8a4b94589bb6f0b90e2aeb7121 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 08:37:48 -0400
Subject: [PATCH 0512/1326] Minor

---
 src/hb-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 3d617e2a5..b139ed672 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -340,7 +340,7 @@ _hb_popcount64 (uint64_t mask)
   if (sizeof (long) >= sizeof (mask))
     return __builtin_popcountl (mask);
 #endif
-  return _hb_popcount32 (mask) + _hb_popcount32 (mask >> 32);
+  return _hb_popcount32 (mask & 0xFFFFFFFF) + _hb_popcount32 (mask >> 32);
 }
 template <typename T> static inline unsigned int _hb_popcount (T mask);
 template <> inline unsigned int _hb_popcount<uint32_t> (uint32_t mask) { return _hb_popcount32 (mask); }

From 8a898c1929cf7ffc9b0011461b34281ecc98705c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 13:00:36 -0400
Subject: [PATCH 0513/1326] [RELEASING] Minor

https://github.com/behdad/harfbuzz/pull/575
---
 RELEASING.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/RELEASING.md b/RELEASING.md
index db50ed943..8fd8a33e5 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -31,7 +31,7 @@ HarfBuzz release walk-through checklist:
 ```
 11. While doing that, quickly double-check the size of the .tar.bz2 and .zip files against their previous releases to make sure nothing bad happened.  They should be in the ballpark, perhaps slightly larger.  Sometimes they do shrink, that's not by itself a stopper.
 12. Push the commit and tag out: "git push --follow-tags".  Make sure it's pushed both to freedesktop repo and github.
-13. Create a GitHub release [here](https://github.com/behdad/harfbuzz/releases), upload artefacts and NEWS entry on it also.
+13. Go to GitHub release page [here](https://github.com/behdad/harfbuzz/releases), edit the tag, upload artefacts and NEWS entry and save.
 
 
 ## MING32
@@ -57,7 +57,7 @@ export LDFLAGS=-L$HOME/.local/$target/lib
 export PKG_CONFIG_LIBDIR=$HOME/.local/$target/lib/pkgconfig
 export PATH=$HOME/.local/$target/bin:$PATH
 
-../configure --build=`~/script/config.guess` --host=$target --prefix=/home/behdad/.local/$target "$@"
+../configure --build=`../config.guess` --host=$target --prefix=$HOME/.local/$target "$@"
 ```
 
 ## UPDATE.sh

From 6a2e1649debd992211bf96ef80d075d2d04a49ed Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 13:01:34 -0400
Subject: [PATCH 0514/1326] [doap] Switch to github issues

https://github.com/behdad/harfbuzz/pull/575#issuecomment-338514596
---
 harfbuzz.doap | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/harfbuzz.doap b/harfbuzz.doap
index d2896ebef..1e3e9abc4 100644
--- a/harfbuzz.doap
+++ b/harfbuzz.doap
@@ -13,7 +13,7 @@
   <!--download-page
   rdf:resource=""/-->
   <bug-database
-  rdf:resource="http://bugs.freedesktop.org/enter_bug.cgi?product=harfbuzz"/>
+  rdf:resource="https://github.com/behdad/harfbuzz/issues" />
 
   <maintainer>
     <foaf:Person>

From 61d1c60a1c555c58205964df4e449ee57125a739 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 13:10:21 -0400
Subject: [PATCH 0515/1326] [RELEASING] Format

---
 RELEASING.md | 67 +++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 48 insertions(+), 19 deletions(-)

diff --git a/RELEASING.md b/RELEASING.md
index 8fd8a33e5..83302c7fb 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -1,37 +1,66 @@
 HarfBuzz release walk-through checklist:
 
 1. Open gitk and review changes since last release.
-   * `git diff $(git describe | sed 's/-.*//').. src/*.h` prints all public API changes.
 
-     Document them in NEWS,  All API and API semantic changes should be clearly
-     marked as API additions, API changes, or API deletions.
-     If there's a backward-incompatible API change (including deletions for API used anywhere),
-     that's a release blocker.  Do NOT release.  Document deprecations.
-2. Based on severity of changes, decide whether it's a minor or micro release number bump,
+   * `git diff $(git describe | sed 's/-.*//').. src/*.h` prints all public API
+     changes.
+
+     Document them in NEWS.  All API and API semantic changes should be clearly
+     marked as API additions, API changes, or API deletions.  Document
+     deprecations.
+
+     If there's a backward-incompatible API change (including deletions for API
+     used anywhere), that's a release blocker.  Do NOT release.
+
+2. Based on severity of changes, decide whether it's a minor or micro release
+   number bump,
+
 3. Make sure you have correct date and new version at the top of NEWS file,
+
 4. Bump version in configure.ac line 3,
+
 5. Do "make distcheck", if it passes, you get a tarball.
    Otherwise, fix things and commit them separately before making release,
-6. "make release-files". Enter your GPG password again.  This creates a sha256 hash and signs it.
-7. Now that you have a tarball built, commit NEWS and configure.ac changes.  The commit message
-   is simply the release number.  Eg. "1.4.7"
-8. Tag the release and sign it: Eg. "git tag -s 1.4.7 -m 1.4.7".  Enter your GPG password.
+
+6. "make release-files".  Enter your GPG password.  This creates a sha256 hash
+   and signs it.
+
+7. Now that you have release files built, commit NEWS and configure.ac changes.
+   The commit message is simply the release number.  Eg. "1.4.7"
+
+8. Tag the release and sign it: Eg. "git tag -s 1.4.7 -m 1.4.7".  Enter your
+   GPG password again.
+
 9. Build win32 bundle.
-   1. Put contents of [this](https://drive.google.com/open?id=0B3_fQkxDZZXXbWltRGd5bjVrUDQ) on your `~/.local/i686-w64-mingw32`
-   2. Run `./MING32 --with-uniscribe` script (available below) to config harfbuzz with mingw
-   3. make
-   4. `./UPDATE.sh` (available below)
-10. Copy all artefacts to users.freedesktop.org and move them into `/srv/www.freedesktop.org/www/software/harfbuzz/release`
-    There should be four files.  Eg.:
+
+   a. Put contents of [this](https://drive.google.com/open?id=0B3_fQkxDZZXXbWltRGd5bjVrUDQ) on your `~/.local/i686-w64-mingw32`,
+
+   b. Run `./MING32 --with-uniscribe` script (available below) to configure harfbuzz with mingw in a subdirector (eg. winbuild/),
+
+   c. make
+
+   d. Back in the parent directory, run `./UPDATE.sh` (available below) to build win32 bundle.
+
+10. Copy all artefacts to users.freedesktop.org and move them into
+    `/srv/www.freedesktop.org/www/software/harfbuzz/release` There should be four
+    files.  Eg.:
  ```
 -rw-r--r--  1 behdad eng 1592693 Jul 18 11:25 harfbuzz-1.4.7.tar.bz2
 -rw-r--r--  1 behdad eng      89 Jul 18 11:34 harfbuzz-1.4.7.tar.bz2.sha256
 -rw-r--r--  1 behdad eng     339 Jul 18 11:34 harfbuzz-1.4.7.tar.bz2.sha256.asc
 -rw-r--r--  1 behdad eng 2895619 Jul 18 11:34 harfbuzz-1.4.7-win32.zip
 ```
-11. While doing that, quickly double-check the size of the .tar.bz2 and .zip files against their previous releases to make sure nothing bad happened.  They should be in the ballpark, perhaps slightly larger.  Sometimes they do shrink, that's not by itself a stopper.
-12. Push the commit and tag out: "git push --follow-tags".  Make sure it's pushed both to freedesktop repo and github.
-13. Go to GitHub release page [here](https://github.com/behdad/harfbuzz/releases), edit the tag, upload artefacts and NEWS entry and save.
+
+11. While doing that, quickly double-check the size of the .tar.bz2 and .zip
+    files against their previous releases to make sure nothing bad happened.
+    They should be in the ballpark, perhaps slightly larger.  Sometimes they
+    do shrink, that's not by itself a stopper.
+
+12. Push the commit and tag out: "git push --follow-tags".  Make sure it's
+    pushed both to freedesktop repo and github.
+
+13. Go to GitHub release page [here](https://github.com/behdad/harfbuzz/releases),
+    edit the tag, upload artefacts and NEWS entry and save.
 
 
 ## MING32

From 8170801d78a5bf9480d8c06ade849b30bc4e2956 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 14:26:48 -0400
Subject: [PATCH 0516/1326] [set] Fix crash

Ouch!  That's what happens when one plays with increment/decrement operators!

Fixes https://github.com/behdad/harfbuzz/issues/578
---
 src/hb-set-private.hh | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index de34d172f..58864287e 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -331,10 +331,12 @@ struct hb_set_t
         b--;
       }
     }
-    while (a >= 0)
-      page_at (--count).v = page_at (--a).v;
-    while (b >= 0)
-      page_at (--count).v = other->page_at (--b).v;
+    if (Op::passthru_left)
+      while (a >= 0)
+	page_at (--count).v = page_at (a--).v;
+    if (Op::passthru_right)
+      while (b >= 0)
+	page_at (--count).v = other->page_at (b--).v;
     assert (!count);
   }
 

From 30a591e3cef67818ef1ffec92c6a022b5a5f5e77 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 14:28:35 -0400
Subject: [PATCH 0517/1326] [set] Rewrite another way :P

---
 src/hb-set-private.hh | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 58864287e..0454a1896 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -274,11 +274,11 @@ struct hb_set_t
   {
     if (unlikely (in_error)) return;
 
-    int na = pages.len;
-    int nb = other->pages.len;
+    unsigned int na = pages.len;
+    unsigned int nb = other->pages.len;
 
     unsigned int count = 0;
-    int a = 0, b = 0;
+    unsigned int a = 0, b = 0;
     for (; a < na && b < nb; )
     {
       if (page_map[a].major == other->page_map[b].major)
@@ -309,34 +309,35 @@ struct hb_set_t
       return;
 
     /* Process in-place backward. */
-    a = na - 1, b = nb - 1;
-    for (; a >= 0 && b >= 0; )
+    a = na;
+    b = nb;
+    for (; a && b; )
     {
       if (page_map[a].major == other->page_map[b].major)
       {
-        Op::process (page_at (--count).v, page_at (a).v, other->page_at (b).v);
 	a--;
 	b--;
+        Op::process (page_at (--count).v, page_at (a).v, other->page_at (b).v);
       }
       else if (page_map[a].major > other->page_map[b].major)
       {
+        a--;
         if (Op::passthru_left)
 	  page_at (--count).v = page_at (a).v;
-        a--;
       }
       else
       {
+        b--;
         if (Op::passthru_right)
 	  page_at (--count).v = other->page_at (b).v;
-        b--;
       }
     }
     if (Op::passthru_left)
-      while (a >= 0)
-	page_at (--count).v = page_at (a--).v;
+      while (a)
+	page_at (--count).v = page_at (--a).v;
     if (Op::passthru_right)
-      while (b >= 0)
-	page_at (--count).v = other->page_at (b--).v;
+      while (b)
+	page_at (--count).v = other->page_at (--b).v;
     assert (!count);
   }
 

From 3b7388aab6889b5d1fc602b5780a7b29da84e100 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 23 Oct 2017 14:35:16 -0400
Subject: [PATCH 0518/1326] 1.6.2

---
 NEWS         | 10 ++++++++++
 configure.ac |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 19daabf76..51cec0d37 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Overview of changes leading to 1.6.2
+Monday, October 23nd, 2017
+====================================
+
+- Yesterday's release had a bad crasher; don't use it.  That's what
+  happens when one works on Sunday...
+  https://github.com/behdad/harfbuzz/issues/578
+- Build fixes for FreeBSD and Chrome Android.
+
+
 Overview of changes leading to 1.6.1
 Sunday, October 22nd, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 1e00e3d5f..41ace1207 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.6.1],
+        [1.6.2],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 9ac2e5c6c01db3ebe419e3aa07f4d1a3777d2bb6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 24 Oct 2017 10:06:25 -0400
Subject: [PATCH 0519/1326] check-externs.sh: Make output more verbose

Trying to figure out why this is failing on some Debian bots:
https://bugs.freedesktop.org/show_bug.cgi?id=103346

Maybe I should check for GNU grep specifically now that I'm using -n as well.
---
 src/check-externs.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/check-externs.sh b/src/check-externs.sh
index 63cc7d5bb..7f0e3218b 100755
--- a/src/check-externs.sh
+++ b/src/check-externs.sh
@@ -14,7 +14,8 @@ echo 'Checking that all public symbols are exported with HB_EXTERN'
 
 for x in $HBHEADERS; do
 	test -f "$srcdir/$x" && x="$srcdir/$x"
-	$EGREP -B1 '^hb_' "$x" | $EGREP -E -v '^(--|hb_|HB_EXTERN )' -A1
+	$EGREP -B1 -n '^hb_' /dev/null "$x" |
+	$EGREP -v '(^--|:hb_|-HB_EXTERN )' -A1
 done |
 grep . >&2 && stat=1
 

From 33ca3b67bfb5d9ae4e490c796c93793a7e03ef2c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 25 Oct 2017 12:09:11 -0400
Subject: [PATCH 0520/1326] Check for headers in builddir first, in check-*.sh

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=103346
---
 src/check-c-linkage-decls.sh | 4 ++--
 src/check-externs.sh         | 2 +-
 src/check-header-guards.sh   | 2 +-
 src/check-includes.sh        | 4 ++--
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/check-c-linkage-decls.sh b/src/check-c-linkage-decls.sh
index b10310f53..cd550867a 100755
--- a/src/check-c-linkage-decls.sh
+++ b/src/check-c-linkage-decls.sh
@@ -11,14 +11,14 @@ test "x$HBSOURCES" = x && HBSOURCES=`cd "$srcdir"; find . -maxdepth 1 -name 'hb*
 
 
 for x in $HBHEADERS; do
-	test -f $srcdir/$x && x=$srcdir/$x
+	test -f "$srcdir/$x" -a ! -f "$x" && x="$srcdir/$x"
 	if ! grep -q HB_BEGIN_DECLS "$x" || ! grep -q HB_END_DECLS "$x"; then
 		echo "Ouch, file $x does not have HB_BEGIN_DECLS / HB_END_DECLS, but it should"
 		stat=1
 	fi
 done
 for x in $HBSOURCES; do
-	test -f $srcdir/$x && x=$srcdir/$x
+	test -f "$srcdir/$x" -a ! -f "$x" && x="$srcdir/$x"
 	if grep -q HB_BEGIN_DECLS "$x" || grep -q HB_END_DECLS "$x"; then
 		echo "Ouch, file $x has HB_BEGIN_DECLS / HB_END_DECLS, but it shouldn't"
 		stat=1
diff --git a/src/check-externs.sh b/src/check-externs.sh
index 7f0e3218b..a6de37535 100755
--- a/src/check-externs.sh
+++ b/src/check-externs.sh
@@ -13,7 +13,7 @@ test "x$EGREP" = x && EGREP='grep -E'
 echo 'Checking that all public symbols are exported with HB_EXTERN'
 
 for x in $HBHEADERS; do
-	test -f "$srcdir/$x" && x="$srcdir/$x"
+	test -f "$srcdir/$x" -a ! -f "$x" && x="$srcdir/$x"
 	$EGREP -B1 -n '^hb_' /dev/null "$x" |
 	$EGREP -v '(^--|:hb_|-HB_EXTERN )' -A1
 done |
diff --git a/src/check-header-guards.sh b/src/check-header-guards.sh
index 09c5ea8b2..355d81b52 100755
--- a/src/check-header-guards.sh
+++ b/src/check-header-guards.sh
@@ -10,7 +10,7 @@ test "x$HBHEADERS" = x && HBHEADERS=`cd "$srcdir"; find . -maxdepth 1 -name 'hb*
 test "x$HBSOURCES" = x && HBSOURCES=`cd "$srcdir"; find . -maxdepth 1 -name 'hb-*.cc' -or -name 'hb-*.hh'`
 
 for x in $HBHEADERS $HBSOURCES; do
-	test -f "$srcdir/$x" && x="$srcdir/$x"
+	test -f "$srcdir/$x" -a ! -f "$x" && x="$srcdir/$x"
 	echo "$x" | grep -q '[^h]$' && continue;
 	xx=`echo "$x" | sed 's@.*/@@'`
 	tag=`echo "$xx" | tr 'a-z.-' 'A-Z_'`
diff --git a/src/check-includes.sh b/src/check-includes.sh
index 902f2357e..37e372d51 100755
--- a/src/check-includes.sh
+++ b/src/check-includes.sh
@@ -13,7 +13,7 @@ test "x$HBSOURCES" = x && HBSOURCES=`cd "$srcdir"; find . -maxdepth 1 -name 'hb-
 echo 'Checking that public header files #include "hb-common.h" or "hb.h" first (or none)'
 
 for x in $HBHEADERS; do
-	test -f "$srcdir/$x" && x="$srcdir/$x"
+	test -f "$srcdir/$x" -a ! -f "$x" && x="$srcdir/$x"
 	grep '#.*\<include\>' "$x" /dev/null | head -n 1
 done |
 grep -v '"hb-common[.]h"' |
@@ -26,7 +26,7 @@ grep . >&2 && stat=1
 echo 'Checking that source files #include "hb-*private.hh" first (or none)'
 
 for x in $HBSOURCES; do
-	test -f "$srcdir/$x" && x="$srcdir/$x"
+	test -f "$srcdir/$x" -a ! -f "$x" && x="$srcdir/$x"
 	grep '#.*\<include\>' "$x" /dev/null | grep -v 'include _' | head -n 1
 done |
 grep -v '"hb-.*private[.]hh"' |

From d8df714251c61e13d7d12eb3f7393dd3a75a3719 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Wed, 25 Oct 2017 16:06:01 -0400
Subject: [PATCH 0521/1326] Fix code point iteration in narrow Python

---
 test/shaping/hb_test_tools.py | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/test/shaping/hb_test_tools.py b/test/shaping/hb_test_tools.py
index b9cb836a5..c9bb1dd33 100644
--- a/test/shaping/hb_test_tools.py
+++ b/test/shaping/hb_test_tools.py
@@ -7,6 +7,9 @@ from itertools import *
 diff_symbols = "-+=*&^%$#@!~/"
 diff_colors = ['red', 'green', 'blue']
 
+def codepoints(s):
+	return (ord (u) for u in s)
+
 try:
 	unichr = unichr
 
@@ -43,6 +46,28 @@ try:
 				except UnicodeDecodeError:
 					raise ValueError('unichr() arg not in range(0x110000)')
 
+		def codepoints(s):
+			high_surrogate = None
+			for u in s:
+				cp = ord (u)
+				if 0xDC00 <= cp <= 0xDFFF:
+					if high_surrogate:
+						yield 0x10000 + (high_surrogate - 0xD800) * 0x400 + (cp - 0xDC00)
+						high_surrogate = None
+					else:
+						yield 0xFFFC
+				else:
+					if high_surrogate:
+						yield 0xFFFC
+						high_surrogate = None
+					if 0xD800 <= cp <= 0xDBFF:
+						high_surrogate = cp
+					else:
+						yield cp
+						high_surrogate = None
+			if high_surrogate:
+				yield 0xFFFC
+
 except NameError:
 	unichr = chr
 
@@ -456,7 +481,7 @@ class Unicode:
 
 	@staticmethod
 	def decode (s):
-		return u','.join ("U+%04X" % ord (u) for u in tounicode (s, 'utf-8'))
+		return u','.join ("U+%04X" % cp for cp in codepoints (tounicode (s, 'utf-8')))
 
 	@staticmethod
 	def parse (s):

From c4944920c0c11d6424d600ebc9130c9055382f80 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Wed, 25 Oct 2017 16:06:40 -0400
Subject: [PATCH 0522/1326] Fix and run indic-script-extensions.tests

---
 test/shaping/Makefile.am                         | 1 +
 test/shaping/tests/indic-script-extensions.tests | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index f788d42b7..377c08d0e 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -61,6 +61,7 @@ TESTS = \
 	tests/indic-joiners.tests \
 	tests/indic-old-spec.tests \
 	tests/indic-pref-blocking.tests \
+	tests/indic-script-extensions.tests \
 	tests/indic-special-cases.tests \
 	tests/indic-syllable.tests \
 	tests/language-tags.tests \
diff --git a/test/shaping/tests/indic-script-extensions.tests b/test/shaping/tests/indic-script-extensions.tests
index 52b6aa0d7..d59d79a51 100644
--- a/test/shaping/tests/indic-script-extensions.tests
+++ b/test/shaping/tests/indic-script-extensions.tests
@@ -1 +1 @@
-fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf::U+0BA4,U+0BC6,U+D804,U+DF3C,U+0BAA,U+D804,U+DF3C,U+0BC6,U+D804,U+DF3C:[u0BC6=0+2093|u1133C=0+0|u0BA4=0+1863|u0BC6=3+2093|u1133C=3+0|u0BAA=3+1706|u1133C=3+0]
+fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf::U+0BA4,U+0BC6,U+1133C,U+0BAA,U+1133C,U+0BC6,U+1133C:[u0BC6=0+2093|u1133C=0+0|u0BA4=0+1863|u0BC6=3+2093|u1133C=3+0|u0BAA=3+1706|u1133C=3+0]

From fd786c768f838ab61090004dd46b8cefeb270dfd Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Wed, 25 Oct 2017 14:31:22 -0400
Subject: [PATCH 0523/1326] Use `mktemp -d` instead of `mktemp --directory`

---
 test/shaping/record-test.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/record-test.sh b/test/shaping/record-test.sh
index 0259c76a7..d7c0d6d5e 100755
--- a/test/shaping/record-test.sh
+++ b/test/shaping/record-test.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-dir=`mktemp --directory`
+dir=`mktemp -d`
 
 hb_shape=$1
 shift

From 49a41dc75931cc2d2f7e74b7801f8cc327039e8e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 25 Oct 2017 16:17:45 -0600
Subject: [PATCH 0524/1326] [test] Add more hb-set tests

https://github.com/behdad/harfbuzz/issues/579
---
 test/api/test-set.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/test/api/test-set.c b/test/api/test-set.c
index bdc462682..de23c55a4 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -89,6 +89,15 @@ test_set_basic (void)
   hb_set_destroy (s);
 }
 
+static void
+print_set (hb_set_t *s)
+{
+  printf ("{");
+  for (hb_codepoint_t next = HB_SET_VALUE_INVALID; hb_set_next (s, &next); )
+    printf ("%d, ", next);
+  printf ("}\n");
+}
+
 static void
 test_set_algebra (void)
 {
@@ -149,7 +158,38 @@ test_set_algebra (void)
   g_assert (!hb_set_has (s, 13));
   g_assert (hb_set_has (s, 19));
 
+  /* https://github.com/behdad/harfbuzz/issues/579 */
+  hb_set_clear (s);
+  test_empty (s);
+  hb_set_add_range (s, 886, 895);
+  hb_set_add (s, 1024);
+  hb_set_add (s, 1152);
+  hb_set_clear (o);
+  test_empty (o);
+  hb_set_add (o, 889);
+  hb_set_add (o, 1024);
+  g_assert (!hb_set_is_equal (s, o));
+  hb_set_intersect (o, s);
+  test_not_empty (o);
+  g_assert (!hb_set_is_equal (s, o));
+  g_assert_cmpint (hb_set_get_population (o), ==, 2);
+  g_assert (hb_set_has (o, 889));
+  g_assert (hb_set_has (o, 1024));
+  hb_set_clear (o);
+  test_empty (o);
+  hb_set_add_range (o, 887, 889);
+  hb_set_add (o, 1121);
+  g_assert (!hb_set_is_equal (s, o));
+  hb_set_intersect (o, s);
+  test_not_empty (o);
+  g_assert (!hb_set_is_equal (s, o));
+  g_assert_cmpint (hb_set_get_population (o), ==, 3);
+  g_assert (hb_set_has (o, 887));
+  g_assert (hb_set_has (o, 888));
+  g_assert (hb_set_has (o, 889));
+
   hb_set_destroy (s);
+  hb_set_destroy (o);
 }
 
 static void

From 9d4d2fb9af446d5d41058fbb1da8117b3af048d3 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Mon, 16 Oct 2017 10:05:42 +0200
Subject: [PATCH 0525/1326] [ot-font] Implement hb_ot_get_glyph_name
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Turns out we already have support for “post” table, it just needed to be
activated and put in use.
---
 src/hb-ot-font.cc                             | 46 ++++++++-
 src/hb-ot-post-table.hh                       | 96 +++++++++++++++++++
 test/shaping/tests/fallback-positioning.tests |  2 +-
 test/shaping/tests/indic-syllable.tests       |  2 +-
 test/shaping/tests/use.tests                  |  2 +-
 5 files changed, 143 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 06d1b8065..62cef9b5b 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -38,7 +38,7 @@
 #include "hb-ot-hmtx-table.hh"
 #include "hb-ot-os2-table.hh"
 #include "hb-ot-var-hvar-table.hh"
-//#include "hb-ot-post-table.hh"
+#include "hb-ot-post-table.hh"
 
 
 struct hb_ot_face_metrics_accelerator_t
@@ -301,6 +301,34 @@ struct hb_ot_face_cbdt_accelerator_t
   }
 };
 
+struct hb_ot_face_post_accelerator_t
+{
+  hb_blob_t *post_blob;
+  unsigned int post_len;
+  const OT::post *post;
+
+  inline void init (hb_face_t *face)
+  {
+    this->post_blob = OT::Sanitizer<OT::post>::sanitize (face->reference_table (HB_OT_TAG_post));
+    this->post = OT::Sanitizer<OT::post>::lock_instance (this->post_blob);
+    this->post_len = hb_blob_get_length (this->post_blob);
+  }
+
+  inline void fini (void)
+  {
+    hb_blob_destroy (this->post_blob);
+  }
+
+  inline bool get_glyph_name (hb_codepoint_t glyph,
+                              char *name, unsigned int size) const
+  {
+    if (unlikely (!name) || unlikely(!size))
+      return false;
+
+    return this->post->get_glyph_name (glyph, name, size, this->post_len);
+  }
+};
+
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					  hb_codepoint_t codepoint,
 					  hb_codepoint_t *glyph);
@@ -436,6 +464,7 @@ struct hb_ot_font_t
   hb_ot_face_metrics_accelerator_t v_metrics;
   OT::hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
   OT::hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
+  OT::hb_lazy_loader_t<hb_ot_face_post_accelerator_t> post;
 };
 
 
@@ -453,6 +482,7 @@ _hb_ot_font_create (hb_face_t *face)
 			   ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
   ot_font->glyf.init (face);
   ot_font->cbdt.init (face);
+  ot_font->post.init (face);
 
   return ot_font;
 }
@@ -467,6 +497,7 @@ _hb_ot_font_destroy (void *data)
   ot_font->v_metrics.fini ();
   ot_font->glyf.fini ();
   ot_font->cbdt.fini ();
+  ot_font->post.fini ();
 
   free (ot_font);
 }
@@ -535,6 +566,17 @@ hb_ot_get_glyph_extents (hb_font_t *font HB_UNUSED,
   return ret;
 }
 
+static hb_bool_t
+hb_ot_get_glyph_name (hb_font_t *font HB_UNUSED,
+                      void *font_data,
+                      hb_codepoint_t glyph,
+                      char *name, unsigned int size,
+                      void *user_data HB_UNUSED)
+{
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  return ot_font->post->get_glyph_name (glyph, name, size);
+}
+
 static hb_bool_t
 hb_ot_get_font_h_extents (hb_font_t *font HB_UNUSED,
 			  void *font_data,
@@ -595,7 +637,7 @@ retry:
     //hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ot_get_glyph_v_kerning, nullptr, nullptr);
     hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);
     //hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr); TODO
-    //hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, nullptr, nullptr); TODO
+    hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, nullptr, nullptr);
     //hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr); TODO
 
     hb_font_funcs_make_immutable (funcs);
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 82ab3882a..3240ec66a 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -29,6 +29,48 @@
 
 #include "hb-open-type-private.hh"
 
+#define NUM_FORMAT1_NAMES 258
+
+static const char* const format1_names[NUM_FORMAT1_NAMES] =
+{
+  ".notdef", ".null", "nonmarkingreturn", "space", "exclam", "quotedbl",
+  "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft",
+  "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash",
+  "zero", "one", "two", "three", "four", "five", "six", "seven", "eight",
+  "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at",
+  "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O",
+  "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft",
+  "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b",
+  "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q",
+  "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar",
+  "braceright", "asciitilde", "Adieresis", "Aring", "Ccedilla", "Eacute",
+  "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex",
+  "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave",
+  "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis",
+  "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute",
+  "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling",
+  "section", "bullet", "paragraph", "germandbls", "registered", "copyright",
+  "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity",
+  "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff",
+  "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine",
+  "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot",
+  "radical", "florin", "approxequal", "Delta", "guillemotleft",
+  "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde",
+  "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright",
+  "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis",
+  "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl",
+  "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase",
+  "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave",
+  "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex",
+  "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi",
+  "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla",
+  "hungarumlaut", "ogonek", "caron", "Lslash", "lslash", "Scaron", "scaron",
+  "Zcaron", "zcaron", "brokenbar", "Eth", "eth", "Yacute", "yacute", "Thorn",
+  "thorn", "minus", "multiply", "onesuperior", "twosuperior", "threesuperior",
+  "onehalf", "onequarter", "threequarters", "franc", "Gbreve", "gbreve",
+  "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", "Ccaron", "ccaron",
+  "dcroat",
+};
 
 namespace OT {
 
@@ -77,6 +119,60 @@ struct post
     return_trace (true);
   }
 
+  inline bool get_glyph_name (hb_codepoint_t glyph,
+                              char *buffer, unsigned int buffer_length,
+                              unsigned int blob_len) const
+  {
+    if (version.to_int () == 0x00010000)
+    {
+      if (glyph >= NUM_FORMAT1_NAMES)
+        return false;
+
+      strncpy(buffer, format1_names[glyph], buffer_length);
+      buffer[buffer_length] = '\0';
+      return true;
+    }
+
+    if (version.to_int () == 0x00020000)
+    {
+      const postV2Tail &v2 = StructAfter<postV2Tail>(*this);
+
+      if (glyph >= v2.numberOfGlyphs)
+        return false;
+
+      unsigned int index = v2.glyphNameIndex[glyph];
+      if (index >= NUM_FORMAT1_NAMES)
+      {
+        unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs;
+        char* data = (char*) this + offset;
+        for (unsigned int i = 0; data < (char*) this + blob_len; i++)
+        {
+          unsigned int name_length = data[0];
+          data++;
+          if (i == index - NUM_FORMAT1_NAMES)
+          {
+            unsigned int remaining = (char*) this + blob_len - data;
+            name_length = MIN (name_length, buffer_length);
+            name_length = MIN (name_length, remaining);
+            memcpy (buffer, data, name_length);
+            buffer[name_length] = '\0';
+            return true;
+          }
+          data += name_length;
+        }
+        return false;
+      }
+      else
+      {
+        strncpy(buffer, format1_names[index], buffer_length);
+        buffer[buffer_length] = '\0';
+        return true;
+      }
+    }
+
+    return false;
+  }
+
   public:
   FixedVersion<>version;		/* 0x00010000 for version 1.0
 					 * 0x00020000 for version 2.0
diff --git a/test/shaping/tests/fallback-positioning.tests b/test/shaping/tests/fallback-positioning.tests
index 499db7d80..0529b24b6 100644
--- a/test/shaping/tests/fallback-positioning.tests
+++ b/test/shaping/tests/fallback-positioning.tests
@@ -1,2 +1,2 @@
 fonts/sha1sum/7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf:--font-funcs=ft:U+0078,U+0301,U+0058,U+0301:[x=0+1030|acutecomb=0@-45,-32+0|X=2+1295|acutecomb=2@-171,310+0]
-fonts/sha1sum/7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf:--font-funcs=ot:U+0078,U+0301,U+0058,U+0301:[gid2=0+1030|gid4=0@-21,-27+0|gid1=2+1295|gid4=2@-147,321+0]
+fonts/sha1sum/7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf:--font-funcs=ot:U+0078,U+0301,U+0058,U+0301:[x=0+1030|acutecomb=0@-21,-27+0|X=2+1295|acutecomb=2@-147,321+0]
diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index 500fa84bd..24118ea53 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -1,7 +1,7 @@
 fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3:[taprehalftamil=0+1509|uni00B3=2+674]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]
-fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf:--font-funcs=ot:U+0980,U+0981:[gid1=0+520|gid2=0+0]
+fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf:--font-funcs=ot:U+0980,U+0981:[anjibeng=0+520|candrabindubeng=0+0]
 fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf::U+0A15,U+0A51,U+0A47:[kaguru=0+1273|udaatguru=0@75,0+0|eematraguru=0@-40,0+0]
 fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+0A51:[uni25CC=0+1044|udaatguru=0+0]
 fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+25CC,U+0A51:[uni25CC=0+1044|udaatguru=0+0]
diff --git a/test/shaping/tests/use.tests b/test/shaping/tests/use.tests
index bfce117de..6ffd12645 100644
--- a/test/shaping/tests/use.tests
+++ b/test/shaping/tests/use.tests
@@ -1,4 +1,4 @@
 fonts/sha1sum/fbb6c84c9e1fe0c39e152fbe845e51fd81f6748e.ttf::U+1B1B,U+1B44,U+1B13,U+1B3E:[gid3=0+990|gid7=0+2473|gid5=0@-293,-400+0]
 fonts/sha1sum/4cce528e99f600ed9c25a2b69e32eb94a03b4ae8.ttf::U+1A48,U+1A58,U+1A25,U+1A48,U+1A58,U+1A25,U+1A6E,U+1A63:[uni1A48=0+1212|uni1A25=0+1912|uni1A58=0+0|uni1A48=3+1212|uni1A6E=3+0|uni1A25=3+1912|uni1A58=3+0|uni1A63=3+1212]
 fonts/sha1sum/f518eb6f6b5eec2946c9fbbbde44e45d46f5e2ac.ttf::U+1A48,U+1A58,U+1A25,U+1A48,U+1A58,U+1A25,U+1A6E,U+1A63:[uni1A48=0+1212|uni1A25=0+1912|uni1A58=0+0|uni1A48=3+1212|uni1A6E=3+1211|uni1A25=3+1912|uni1A58=3+0|uni1A63=3+1212]
-fonts/sha1sum/6ff0fbead4462d9f229167b4e6839eceb8465058.ttf:--font-funcs=ot:U+11103,U+11128:[gid1=0+837|gid2=0+0]
+fonts/sha1sum/6ff0fbead4462d9f229167b4e6839eceb8465058.ttf:--font-funcs=ot:U+11103,U+11128:[u11103=0+837|u11128=0+0]

From d9e166f74c3ba3128c9ef3ccd8d7799e67f14eab Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 18 Oct 2017 20:49:16 +0200
Subject: [PATCH 0526/1326] [ot-font] Implement hb_ot_get_glyph_from_name

---
 src/hb-ot-font.cc       | 22 +++++++++++++++-
 src/hb-ot-post-table.hh | 58 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 62cef9b5b..dff27bf45 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -327,6 +327,15 @@ struct hb_ot_face_post_accelerator_t
 
     return this->post->get_glyph_name (glyph, name, size, this->post_len);
   }
+
+  inline bool get_glyph_from_name (const char *name, int len,
+                                   hb_codepoint_t *glyph) const
+  {
+    if (unlikely (!name) || unlikely(!len))
+      return false;
+
+    return this->post->get_glyph_from_name (name, len, glyph, this->post_len);
+  }
 };
 
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
@@ -577,6 +586,17 @@ hb_ot_get_glyph_name (hb_font_t *font HB_UNUSED,
   return ot_font->post->get_glyph_name (glyph, name, size);
 }
 
+static hb_bool_t
+hb_ot_get_glyph_from_name (hb_font_t *font HB_UNUSED,
+                           void *font_data,
+                           const char *name, int len,
+                           hb_codepoint_t *glyph,
+                           void *user_data HB_UNUSED)
+{
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  return ot_font->post->get_glyph_from_name (name, len, glyph);
+}
+
 static hb_bool_t
 hb_ot_get_font_h_extents (hb_font_t *font HB_UNUSED,
 			  void *font_data,
@@ -638,7 +658,7 @@ retry:
     hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);
     //hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr); TODO
     hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, nullptr, nullptr);
-    //hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr); TODO
+    hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr);
 
     hb_font_funcs_make_immutable (funcs);
 
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 3240ec66a..c0d25f2b7 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -173,6 +173,64 @@ struct post
     return false;
   }
 
+  inline bool get_glyph_from_name (const char *name, int len,
+                                   hb_codepoint_t *glyph,
+                                   unsigned int blob_len) const
+  {
+    if (len < 0)
+      len = strlen (name);
+
+    if (version.to_int () == 0x00010000)
+    {
+      for (int i = 0; i < NUM_FORMAT1_NAMES; i++)
+      {
+        if (strncmp (name, format1_names[i], len) == 0)
+        {
+          *glyph = i;
+          return true;
+        }
+      }
+      return false;
+    }
+
+    if (version.to_int () == 0x00020000)
+    {
+      const postV2Tail &v2 = StructAfter<postV2Tail>(*this);
+      unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs;
+      char* data = (char*) this + offset;
+
+      for (hb_codepoint_t gid = 0; gid < v2.numberOfGlyphs; gid++)
+      {
+        unsigned int index = v2.glyphNameIndex[gid];
+        if (index >= NUM_FORMAT1_NAMES)
+        {
+          for (unsigned int i = 0; data < (char*) this + blob_len; i++)
+          {
+            unsigned int name_length = data[0];
+            unsigned int remaining = (char*) this + blob_len - data - 1;
+            name_length = MIN (name_length, remaining);
+            if (name_length == len && strncmp (name, data + 1, len) == 0)
+            {
+              *glyph = gid;
+              return true;
+            }
+            data += name_length + 1;
+          }
+          return false;
+        }
+        else if (strncmp (name, format1_names[index], len) == 0)
+        {
+          *glyph = gid;
+          return true;
+        }
+      }
+
+      return false;
+    }
+
+    return false;
+  }
+
   public:
   FixedVersion<>version;		/* 0x00010000 for version 1.0
 					 * 0x00020000 for version 2.0

From 543bd58d7a4fbe285ec9304ff3223a728dbdbb76 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 25 Oct 2017 17:40:50 -0600
Subject: [PATCH 0527/1326] [post] Touch up and fixes

The get_glyph_from_name() is incorrect; needs fixing.
---
 src/hb-ot-font.cc       |   9 +--
 src/hb-ot-post-table.hh | 139 ++++++++++++++++++++++------------------
 2 files changed, 81 insertions(+), 67 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index dff27bf45..c0ce89df3 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -320,18 +320,15 @@ struct hb_ot_face_post_accelerator_t
   }
 
   inline bool get_glyph_name (hb_codepoint_t glyph,
-                              char *name, unsigned int size) const
+			      char *name, unsigned int size) const
   {
-    if (unlikely (!name) || unlikely(!size))
-      return false;
-
     return this->post->get_glyph_name (glyph, name, size, this->post_len);
   }
 
   inline bool get_glyph_from_name (const char *name, int len,
-                                   hb_codepoint_t *glyph) const
+				   hb_codepoint_t *glyph) const
   {
-    if (unlikely (!name) || unlikely(!len))
+    if (unlikely (!len))
       return false;
 
     return this->post->get_glyph_from_name (name, len, glyph, this->post_len);
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index c0d25f2b7..293dda62d 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -113,69 +113,80 @@ struct post
       return_trace (false);
     if (version.to_int () == 0x00020000)
     {
-      const postV2Tail &v2 = StructAfter<postV2Tail>(*this);
+      const postV2Tail &v2 = StructAfter<postV2Tail> (*this);
       return_trace (v2.sanitize (c));
     }
     return_trace (true);
   }
 
   inline bool get_glyph_name (hb_codepoint_t glyph,
-                              char *buffer, unsigned int buffer_length,
-                              unsigned int blob_len) const
+			      char *buffer, unsigned int buffer_length,
+			      unsigned int blob_len) const
   {
     if (version.to_int () == 0x00010000)
     {
       if (glyph >= NUM_FORMAT1_NAMES)
-        return false;
+	return false;
 
-      strncpy(buffer, format1_names[glyph], buffer_length);
-      buffer[buffer_length] = '\0';
+      if (!buffer_length)
+	return true;
+      strncpy (buffer, format1_names[glyph], buffer_length);
+      buffer[buffer_length - 1] = '\0';
       return true;
     }
 
     if (version.to_int () == 0x00020000)
     {
-      const postV2Tail &v2 = StructAfter<postV2Tail>(*this);
+      const postV2Tail &v2 = StructAfter<postV2Tail> (*this);
 
       if (glyph >= v2.numberOfGlyphs)
-        return false;
+	return false;
+
+      if (!buffer_length)
+	return true;
 
       unsigned int index = v2.glyphNameIndex[glyph];
-      if (index >= NUM_FORMAT1_NAMES)
+      if (index < NUM_FORMAT1_NAMES)
       {
-        unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs;
-        char* data = (char*) this + offset;
-        for (unsigned int i = 0; data < (char*) this + blob_len; i++)
-        {
-          unsigned int name_length = data[0];
-          data++;
-          if (i == index - NUM_FORMAT1_NAMES)
-          {
-            unsigned int remaining = (char*) this + blob_len - data;
-            name_length = MIN (name_length, buffer_length);
-            name_length = MIN (name_length, remaining);
-            memcpy (buffer, data, name_length);
-            buffer[name_length] = '\0';
-            return true;
-          }
-          data += name_length;
-        }
-        return false;
+	if (!buffer_length)
+	  return true;
+	strncpy (buffer, format1_names[index], buffer_length);
+	buffer[buffer_length - 1] = '\0';
+	return true;
       }
-      else
+      index -= NUM_FORMAT1_NAMES;
+
+      unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs;
+      unsigned char *data = (unsigned char *) this + offset;
+      unsigned char *end = (unsigned char *) this + blob_len;
+      for (unsigned int i = 0; data < end; i++)
       {
-        strncpy(buffer, format1_names[index], buffer_length);
-        buffer[buffer_length] = '\0';
-        return true;
+	unsigned int name_length = data[0];
+	data++;
+	if (i == index)
+	{
+	  if (unlikely (!name_length))
+	    return false;
+
+	  unsigned int remaining = end - data;
+	  name_length = MIN (name_length, buffer_length - 1);
+	  name_length = MIN (name_length, remaining);
+	  memcpy (buffer, data, name_length);
+	  buffer[name_length] = '\0';
+	  return true;
+	}
+	data += name_length;
       }
+
+      return false;
     }
 
     return false;
   }
 
   inline bool get_glyph_from_name (const char *name, int len,
-                                   hb_codepoint_t *glyph,
-                                   unsigned int blob_len) const
+				   hb_codepoint_t *glyph,
+				   unsigned int blob_len) const
   {
     if (len < 0)
       len = strlen (name);
@@ -184,45 +195,51 @@ struct post
     {
       for (int i = 0; i < NUM_FORMAT1_NAMES; i++)
       {
-        if (strncmp (name, format1_names[i], len) == 0)
-        {
-          *glyph = i;
-          return true;
-        }
+	if (strncmp (name, format1_names[i], len) == 0 && format1_names[len] == '\0')
+	{
+	  *glyph = i;
+	  return true;
+	}
       }
       return false;
     }
 
     if (version.to_int () == 0x00020000)
     {
-      const postV2Tail &v2 = StructAfter<postV2Tail>(*this);
+      const postV2Tail &v2 = StructAfter<postV2Tail> (*this);
       unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs;
       char* data = (char*) this + offset;
 
+
+      /* XXX The following code is wrong. */
+      return false;
       for (hb_codepoint_t gid = 0; gid < v2.numberOfGlyphs; gid++)
       {
-        unsigned int index = v2.glyphNameIndex[gid];
-        if (index >= NUM_FORMAT1_NAMES)
-        {
-          for (unsigned int i = 0; data < (char*) this + blob_len; i++)
-          {
-            unsigned int name_length = data[0];
-            unsigned int remaining = (char*) this + blob_len - data - 1;
-            name_length = MIN (name_length, remaining);
-            if (name_length == len && strncmp (name, data + 1, len) == 0)
-            {
-              *glyph = gid;
-              return true;
-            }
-            data += name_length + 1;
-          }
-          return false;
-        }
-        else if (strncmp (name, format1_names[index], len) == 0)
-        {
-          *glyph = gid;
-          return true;
-        }
+	unsigned int index = v2.glyphNameIndex[gid];
+	if (index < NUM_FORMAT1_NAMES)
+	{
+	  if (strncmp (name, format1_names[index], len) == 0 && format1_names[len] == '\0')
+	  {
+	    *glyph = gid;
+	    return true;
+	  }
+	  continue;
+	}
+	index -= NUM_FORMAT1_NAMES;
+
+	for (unsigned int i = 0; data < (char*) this + blob_len; i++)
+	{
+	  unsigned int name_length = data[0];
+	  unsigned int remaining = (char*) this + blob_len - data - 1;
+	  name_length = MIN (name_length, remaining);
+	  if (name_length == (unsigned int) len && strncmp (name, data + 1, len) == 0)
+	  {
+	    *glyph = gid;
+	    return true;
+	  }
+	  data += name_length + 1;
+	}
+	return false;
       }
 
       return false;

From 92bac64bd2d5fffe70229790be27d335aa6c6de3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 25 Oct 2017 18:22:47 -0600
Subject: [PATCH 0528/1326] [post] Oops!

https://ci.appveyor.com/project/behdad/harfbuzz/build/1.0.668/job/ikfj8peowgrp059t
---
 src/hb-ot-post-table.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 293dda62d..3eae7f7f1 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -195,7 +195,7 @@ struct post
     {
       for (int i = 0; i < NUM_FORMAT1_NAMES; i++)
       {
-	if (strncmp (name, format1_names[i], len) == 0 && format1_names[len] == '\0')
+	if (strncmp (name, format1_names[i], len) == 0 && format1_names[i][len] == '\0')
 	{
 	  *glyph = i;
 	  return true;
@@ -218,7 +218,7 @@ struct post
 	unsigned int index = v2.glyphNameIndex[gid];
 	if (index < NUM_FORMAT1_NAMES)
 	{
-	  if (strncmp (name, format1_names[index], len) == 0 && format1_names[len] == '\0')
+	  if (strncmp (name, format1_names[index], len) == 0 && format1_names[index][len] == '\0')
 	  {
 	    *glyph = gid;
 	    return true;

From d511cfb5577a58e31d8dd4214750b0ad4efa625a Mon Sep 17 00:00:00 2001
From: Jonathan Kew <jfkthame@gmail.com>
Date: Thu, 26 Oct 2017 15:08:29 +0100
Subject: [PATCH 0529/1326] [set] Bugfix for hb_set_next

---
 src/hb-set-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 0454a1896..df4325afd 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -95,7 +95,7 @@ struct hb_set_t
 	  goto found;
       for (i++; i < len (); i++)
         if (v[i])
-	  for (unsigned int j = 0; j < ELT_BITS; j++)
+	  for (j = 0; j < ELT_BITS; j++)
 	    if (v[i] & (elt_t (1) << j))
 	      goto found;
 

From 3d6f7df42a87ef366197581cb4696c5f30c3bcbb Mon Sep 17 00:00:00 2001
From: Jonathan Kew <jfkthame@gmail.com>
Date: Thu, 26 Oct 2017 17:54:55 +0100
Subject: [PATCH 0530/1326] [test] Additional coverage in test_set_iter.

This adds a couple extra entries to the set used, such that iteration
would fail in 1.6.2 due to the bug in hb_set_t::page_t::next().
---
 test/api/test-set.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/test/api/test-set.c b/test/api/test-set.c
index de23c55a4..b3dc35ef1 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -201,6 +201,8 @@ test_set_iter (void)
   hb_set_add (s, 13);
   hb_set_add_range (s, 6, 6);
   hb_set_add_range (s, 10, 15);
+  hb_set_add (s, 1100);
+  hb_set_add (s, 1200);
   hb_set_add (s, 20005);
 
   test_not_empty (s);
@@ -218,6 +220,10 @@ test_set_iter (void)
   g_assert (hb_set_next (s, &next));
   g_assert_cmpint (next, ==, 15);
   g_assert (hb_set_next (s, &next));
+  g_assert_cmpint (next, ==, 1100);
+  g_assert (hb_set_next (s, &next));
+  g_assert_cmpint (next, ==, 1200);
+  g_assert (hb_set_next (s, &next));
   g_assert_cmpint (next, ==, 20005);
   g_assert (!hb_set_next (s, &next));
   g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
@@ -230,6 +236,12 @@ test_set_iter (void)
   g_assert_cmpint (first, ==, 10);
   g_assert_cmpint (last,  ==, 15);
   g_assert (hb_set_next_range (s, &first, &last));
+  g_assert_cmpint (first, ==, 1100);
+  g_assert_cmpint (last,  ==, 1100);
+  g_assert (hb_set_next_range (s, &first, &last));
+  g_assert_cmpint (first, ==, 1200);
+  g_assert_cmpint (last,  ==, 1200);
+  g_assert (hb_set_next_range (s, &first, &last));
   g_assert_cmpint (first, ==, 20005);
   g_assert_cmpint (last,  ==, 20005);
   g_assert (!hb_set_next_range (s, &first, &last));

From 7339926525416620aa7922371775ed65eed4eae4 Mon Sep 17 00:00:00 2001
From: Jonathan Kew <jfkthame@gmail.com>
Date: Thu, 26 Oct 2017 12:55:36 +0100
Subject: [PATCH 0531/1326] [test] Extend hb_set test for issue 579 (currently
 failing)

---
 test/api/test-set.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/test/api/test-set.c b/test/api/test-set.c
index b3dc35ef1..d9cb1b018 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -188,6 +188,24 @@ test_set_algebra (void)
   g_assert (hb_set_has (o, 888));
   g_assert (hb_set_has (o, 889));
 
+  hb_set_clear (s);
+  test_empty (s);
+  hb_set_add_range (s, 886, 895);
+  hb_set_add (s, 1014);
+  hb_set_add (s, 1017);
+  hb_set_add (s, 1024);
+  hb_set_add (s, 1113);
+  hb_set_add (s, 1121);
+  g_assert_cmpint (hb_set_get_population (s), ==, 15);
+
+  hb_set_clear (o);
+  test_empty (o);
+  hb_set_add (o, 889);
+  g_assert_cmpint (hb_set_get_population (o), ==, 1);
+  hb_set_intersect (o, s);
+  g_assert_cmpint (hb_set_get_population (o), ==, 1);
+  g_assert (hb_set_has (o, 889));
+
   hb_set_destroy (s);
   hb_set_destroy (o);
 }

From dfd234a97d2e2f9908eaf0598de765f76ba86c82 Mon Sep 17 00:00:00 2001
From: Jonathan Kew <jfkthame@gmail.com>
Date: Thu, 26 Oct 2017 16:59:50 +0100
Subject: [PATCH 0532/1326] [set] Fix page_map[] indexing in backward loop.

Fixes https://github.com/behdad/harfbuzz/issues/579.
---
 src/hb-set-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index df4325afd..c970b89dd 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -313,13 +313,13 @@ struct hb_set_t
     b = nb;
     for (; a && b; )
     {
-      if (page_map[a].major == other->page_map[b].major)
+      if (page_map[a - 1].major == other->page_map[b - 1].major)
       {
 	a--;
 	b--;
         Op::process (page_at (--count).v, page_at (a).v, other->page_at (b).v);
       }
-      else if (page_map[a].major > other->page_map[b].major)
+      else if (page_map[a - 1].major > other->page_map[b - 1].major)
       {
         a--;
         if (Op::passthru_left)

From cb6c6b0c425e560f32b297c15dc6775e297d5b1d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 26 Oct 2017 11:43:33 -0600
Subject: [PATCH 0533/1326] Fix warning

https://github.com/behdad/harfbuzz/commit/49a41dc75931cc2d2f7e74b7801f8cc327039e8e#commitcomment-25203194
---
 test/api/test-set.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/api/test-set.c b/test/api/test-set.c
index d9cb1b018..afc473d7f 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -89,11 +89,12 @@ test_set_basic (void)
   hb_set_destroy (s);
 }
 
-static void
+static inline void
 print_set (hb_set_t *s)
 {
+  hb_codepoint_t next;
   printf ("{");
-  for (hb_codepoint_t next = HB_SET_VALUE_INVALID; hb_set_next (s, &next); )
+  for (next = HB_SET_VALUE_INVALID; hb_set_next (s, &next); )
     printf ("%d, ", next);
   printf ("}\n");
 }

From 729c9e13355eefafdc0fdef9aa68bd792ca4dba4 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Thu, 26 Oct 2017 10:29:28 -0400
Subject: [PATCH 0534/1326] Include all relevant glyphs in the subsetted font

---
 test/shaping/record-test.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/shaping/record-test.sh b/test/shaping/record-test.sh
index d7c0d6d5e..9a71cc874 100755
--- a/test/shaping/record-test.sh
+++ b/test/shaping/record-test.sh
@@ -41,6 +41,7 @@ if test $? != 0; then
 	echo "hb-shape failed." >&2
 	exit 2
 fi
+glyph_names=`echo "$text" | $hb_shape $options --no-clusters --no-positions "$fontfile" | sed 's/[][]//g; s/|/,/g'`
 
 cp "$fontfile" "$dir/font.ttf"
 fonttools subset \
@@ -48,6 +49,7 @@ fonttools subset \
 	--no-hinting \
 	--layout-features='*' \
 	"$dir/font.ttf" \
+	--glyphs="$glyph_names" \
 	--text="$text"
 if ! test -s "$dir/font.subset.ttf"; then
 	echo "Subsetter didn't produce nonempty subset font in $dir/font.subset.ttf" >&2

From 223686d64f5e149ba8aa334a2a54bd5b22017d9e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 26 Oct 2017 12:52:02 -0600
Subject: [PATCH 0535/1326] 1.6.3

---
 NEWS         | 9 +++++++++
 configure.ac | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 51cec0d37..af27961e1 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+Overview of changes leading to 1.6.3
+Thursday, October 26th, 2017
+====================================
+
+- Fix hb_set_t some more.  Should be solid now.
+- Implement get_glyph_name() for hb-ot-font.
+- Misc fixes.
+
+
 Overview of changes leading to 1.6.2
 Monday, October 23nd, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 41ace1207..d3dec0af6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.6.2],
+        [1.6.3],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 6f08b12bc38166dee2f9740d396d617b32e887a3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 26 Oct 2017 18:23:03 -0600
Subject: [PATCH 0536/1326] Minor

---
 src/hb-private.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index b139ed672..34476ca92 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -98,10 +98,10 @@ private:
 
 // Static assertions
 #ifndef static_assert
-#define _PASTE1(a,b) a##b
-#define _PASTE(a,b) _PASTE1(a,b)
+#define HB_PASTE1(a,b) a##b
+#define HB_PASTE(a,b) HB_PASTE1(a,b)
 #define static_assert(e, msg) \
-	HB_UNUSED typedef int _PASTE(static_assertion_failed_at_line_, __LINE__) [(e) ? 1 : -1]
+	HB_UNUSED typedef int HB_PASTE(static_assertion_failed_at_line_, __LINE__) [(e) ? 1 : -1]
 #endif // static_assert
 
 #endif // __cplusplus < 201103L

From 2a749680441bbe6b4aa8134bb6ce9f21a8b1bc3c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 26 Oct 2017 19:48:33 -0600
Subject: [PATCH 0537/1326] Add hb-string-array.hh

Used to build static string arrays that use no relocation.
---
 src/Makefile.sources   |  1 +
 src/hb-private.hh      |  6 ++--
 src/hb-string-array.hh | 74 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+), 2 deletions(-)
 create mode 100644 src/hb-string-array.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 9fe8a40e3..74d953f83 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -39,6 +39,7 @@ HB_BASE_sources = \
 	hb-shaper-impl-private.hh \
 	hb-shaper-private.hh \
 	hb-shaper.cc \
+	hb-string-array.hh \
 	hb-unicode-private.hh \
 	hb-unicode.cc \
 	hb-utf-private.hh \
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 34476ca92..268a2b0a8 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -54,6 +54,10 @@
 #include <stdarg.h>
 
 
+#define HB_PASTE1(a,b) a##b
+#define HB_PASTE(a,b) HB_PASTE1(a,b)
+
+
 /* Compile-time custom allocator support. */
 
 #if defined(hb_malloc_impl) \
@@ -98,8 +102,6 @@ private:
 
 // Static assertions
 #ifndef static_assert
-#define HB_PASTE1(a,b) a##b
-#define HB_PASTE(a,b) HB_PASTE1(a,b)
 #define static_assert(e, msg) \
 	HB_UNUSED typedef int HB_PASTE(static_assertion_failed_at_line_, __LINE__) [(e) ? 1 : -1]
 #endif // static_assert
diff --git a/src/hb-string-array.hh b/src/hb-string-array.hh
new file mode 100644
index 000000000..afad5d75d
--- /dev/null
+++ b/src/hb-string-array.hh
@@ -0,0 +1,74 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_STRING_ARRAY_HH
+#if 0 /* Make checks happy. */
+#define HB_STRING_ARRAY_HH
+#endif
+
+#include "hb-private.hh"
+
+/* Based on Bruno Haible's code in Appendix B of Ulrich Drepper's dsohowto.pdf:
+ * https://software.intel.com/sites/default/files/m/a/1/e/dsohowto.pdf */
+
+#define HB_STRING_ARRAY_TYPE_NAME	HB_PASTE(HB_STRING_ARRAY_NAME, _msgstr_t)
+#define HB_STRING_ARRAY_POOL_NAME	HB_PASTE(HB_STRING_ARRAY_NAME, _msgstr)
+#define HB_STRING_ARRAY_OFFS_NAME	HB_PASTE(HB_STRING_ARRAY_NAME, _msgidx)
+
+static const union HB_STRING_ARRAY_TYPE_NAME {
+  struct {
+#define _S(s) char HB_PASTE (str, __LINE__)[sizeof (s)];
+#include HB_STRING_ARRAY_LIST
+#undef _S
+  } st;
+  char str[0];
+}
+HB_STRING_ARRAY_POOL_NAME =
+{
+  {
+#define _S(s) s,
+#include HB_STRING_ARRAY_LIST
+#undef _S
+  }
+};
+static const unsigned int HB_STRING_ARRAY_OFFS_NAME[] =
+{
+#define _S(s) offsetof (union HB_STRING_ARRAY_TYPE_NAME, st.HB_PASTE(str, __LINE__)),
+#include HB_STRING_ARRAY_LIST
+#undef _S
+};
+
+static inline const char *
+HB_STRING_ARRAY_NAME (unsigned int i)
+{
+  return HB_STRING_ARRAY_POOL_NAME.str + HB_STRING_ARRAY_OFFS_NAME[i];
+}
+
+#undef HB_STRING_ARRAY_TYPE_NAME
+#undef HB_STRING_ARRAY_POOL_NAME
+#undef HB_STRING_ARRAY_OFFS_NAME
+
+#endif /* HB_STRING_ARRAY_HH */

From 0e9256984e76f055f1868ecc497724977caba11d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 26 Oct 2017 20:34:04 -0600
Subject: [PATCH 0538/1326] [post] Make format1 names array avoid relocations

---
 src/Makefile.sources       |   1 +
 src/hb-ot-post-macroman.hh | 294 +++++++++++++++++++++++++++++++++++++
 src/hb-ot-post-table.hh    |  55 ++-----
 3 files changed, 305 insertions(+), 45 deletions(-)
 create mode 100644 src/hb-ot-post-macroman.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 74d953f83..d162ebef2 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -26,6 +26,7 @@ HB_BASE_sources = \
 	hb-ot-maxp-table.hh \
 	hb-ot-name-table.hh \
 	hb-ot-os2-table.hh \
+	hb-ot-post-macroman.hh \
 	hb-ot-post-table.hh \
 	hb-ot-tag.cc \
 	hb-private.hh \
diff --git a/src/hb-ot-post-macroman.hh b/src/hb-ot-post-macroman.hh
new file mode 100644
index 000000000..dbbb97e5a
--- /dev/null
+++ b/src/hb-ot-post-macroman.hh
@@ -0,0 +1,294 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_POST_MACROMAN_HH
+#if 0 /* Make checks happy. */
+#define HB_OT_POST_MACROMAN_HH
+#include "hb-private.hh"
+#endif
+
+
+_S(".notdef")
+_S(".null")
+_S("nonmarkingreturn")
+_S("space")
+_S("exclam")
+_S("quotedbl")
+_S("numbersign")
+_S("dollar")
+_S("percent")
+_S("ampersand")
+_S("quotesingle")
+_S("parenleft")
+_S("parenright")
+_S("asterisk")
+_S("plus")
+_S("comma")
+_S("hyphen")
+_S("period")
+_S("slash")
+_S("zero")
+_S("one")
+_S("two")
+_S("three")
+_S("four")
+_S("five")
+_S("six")
+_S("seven")
+_S("eight")
+_S("nine")
+_S("colon")
+_S("semicolon")
+_S("less")
+_S("equal")
+_S("greater")
+_S("question")
+_S("at")
+_S("A")
+_S("B")
+_S("C")
+_S("D")
+_S("E")
+_S("F")
+_S("G")
+_S("H")
+_S("I")
+_S("J")
+_S("K")
+_S("L")
+_S("M")
+_S("N")
+_S("O")
+_S("P")
+_S("Q")
+_S("R")
+_S("S")
+_S("T")
+_S("U")
+_S("V")
+_S("W")
+_S("X")
+_S("Y")
+_S("Z")
+_S("bracketleft")
+_S("backslash")
+_S("bracketright")
+_S("asciicircum")
+_S("underscore")
+_S("grave")
+_S("a")
+_S("b")
+_S("c")
+_S("d")
+_S("e")
+_S("f")
+_S("g")
+_S("h")
+_S("i")
+_S("j")
+_S("k")
+_S("l")
+_S("m")
+_S("n")
+_S("o")
+_S("p")
+_S("q")
+_S("r")
+_S("s")
+_S("t")
+_S("u")
+_S("v")
+_S("w")
+_S("x")
+_S("y")
+_S("z")
+_S("braceleft")
+_S("bar")
+_S("braceright")
+_S("asciitilde")
+_S("Adieresis")
+_S("Aring")
+_S("Ccedilla")
+_S("Eacute")
+_S("Ntilde")
+_S("Odieresis")
+_S("Udieresis")
+_S("aacute")
+_S("agrave")
+_S("acircumflex")
+_S("adieresis")
+_S("atilde")
+_S("aring")
+_S("ccedilla")
+_S("eacute")
+_S("egrave")
+_S("ecircumflex")
+_S("edieresis")
+_S("iacute")
+_S("igrave")
+_S("icircumflex")
+_S("idieresis")
+_S("ntilde")
+_S("oacute")
+_S("ograve")
+_S("ocircumflex")
+_S("odieresis")
+_S("otilde")
+_S("uacute")
+_S("ugrave")
+_S("ucircumflex")
+_S("udieresis")
+_S("dagger")
+_S("degree")
+_S("cent")
+_S("sterling")
+_S("section")
+_S("bullet")
+_S("paragraph")
+_S("germandbls")
+_S("registered")
+_S("copyright")
+_S("trademark")
+_S("acute")
+_S("dieresis")
+_S("notequal")
+_S("AE")
+_S("Oslash")
+_S("infinity")
+_S("plusminus")
+_S("lessequal")
+_S("greaterequal")
+_S("yen")
+_S("mu")
+_S("partialdiff")
+_S("summation")
+_S("product")
+_S("pi")
+_S("integral")
+_S("ordfeminine")
+_S("ordmasculine")
+_S("Omega")
+_S("ae")
+_S("oslash")
+_S("questiondown")
+_S("exclamdown")
+_S("logicalnot")
+_S("radical")
+_S("florin")
+_S("approxequal")
+_S("Delta")
+_S("guillemotleft")
+_S("guillemotright")
+_S("ellipsis")
+_S("nonbreakingspace")
+_S("Agrave")
+_S("Atilde")
+_S("Otilde")
+_S("OE")
+_S("oe")
+_S("endash")
+_S("emdash")
+_S("quotedblleft")
+_S("quotedblright")
+_S("quoteleft")
+_S("quoteright")
+_S("divide")
+_S("lozenge")
+_S("ydieresis")
+_S("Ydieresis")
+_S("fraction")
+_S("currency")
+_S("guilsinglleft")
+_S("guilsinglright")
+_S("fi")
+_S("fl")
+_S("daggerdbl")
+_S("periodcentered")
+_S("quotesinglbase")
+_S("quotedblbase")
+_S("perthousand")
+_S("Acircumflex")
+_S("Ecircumflex")
+_S("Aacute")
+_S("Edieresis")
+_S("Egrave")
+_S("Iacute")
+_S("Icircumflex")
+_S("Idieresis")
+_S("Igrave")
+_S("Oacute")
+_S("Ocircumflex")
+_S("apple")
+_S("Ograve")
+_S("Uacute")
+_S("Ucircumflex")
+_S("Ugrave")
+_S("dotlessi")
+_S("circumflex")
+_S("tilde")
+_S("macron")
+_S("breve")
+_S("dotaccent")
+_S("ring")
+_S("cedilla")
+_S("hungarumlaut")
+_S("ogonek")
+_S("caron")
+_S("Lslash")
+_S("lslash")
+_S("Scaron")
+_S("scaron")
+_S("Zcaron")
+_S("zcaron")
+_S("brokenbar")
+_S("Eth")
+_S("eth")
+_S("Yacute")
+_S("yacute")
+_S("Thorn")
+_S("thorn")
+_S("minus")
+_S("multiply")
+_S("onesuperior")
+_S("twosuperior")
+_S("threesuperior")
+_S("onehalf")
+_S("onequarter")
+_S("threequarters")
+_S("franc")
+_S("Gbreve")
+_S("gbreve")
+_S("Idotaccent")
+_S("Scedilla")
+_S("scedilla")
+_S("Cacute")
+_S("cacute")
+_S("Ccaron")
+_S("ccaron")
+_S("dcroat")
+
+
+#endif /* HB_OT_POST_MACROMAN_HH */
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 3eae7f7f1..6e4a23afd 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -29,48 +29,13 @@
 
 #include "hb-open-type-private.hh"
 
-#define NUM_FORMAT1_NAMES 258
+#define HB_STRING_ARRAY_NAME format1_names
+#define HB_STRING_ARRAY_LIST "hb-ot-post-macroman.hh"
+#include "hb-string-array.hh"
+#undef HB_STRING_ARRAY_LIST
+#undef HB_STRING_ARRAY_NAME
 
-static const char* const format1_names[NUM_FORMAT1_NAMES] =
-{
-  ".notdef", ".null", "nonmarkingreturn", "space", "exclam", "quotedbl",
-  "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft",
-  "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash",
-  "zero", "one", "two", "three", "four", "five", "six", "seven", "eight",
-  "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at",
-  "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O",
-  "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft",
-  "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b",
-  "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q",
-  "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar",
-  "braceright", "asciitilde", "Adieresis", "Aring", "Ccedilla", "Eacute",
-  "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex",
-  "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave",
-  "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis",
-  "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute",
-  "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling",
-  "section", "bullet", "paragraph", "germandbls", "registered", "copyright",
-  "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity",
-  "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff",
-  "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine",
-  "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot",
-  "radical", "florin", "approxequal", "Delta", "guillemotleft",
-  "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde",
-  "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright",
-  "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis",
-  "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl",
-  "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase",
-  "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave",
-  "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex",
-  "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi",
-  "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla",
-  "hungarumlaut", "ogonek", "caron", "Lslash", "lslash", "Scaron", "scaron",
-  "Zcaron", "zcaron", "brokenbar", "Eth", "eth", "Yacute", "yacute", "Thorn",
-  "thorn", "minus", "multiply", "onesuperior", "twosuperior", "threesuperior",
-  "onehalf", "onequarter", "threequarters", "franc", "Gbreve", "gbreve",
-  "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", "Ccaron", "ccaron",
-  "dcroat",
-};
+#define NUM_FORMAT1_NAMES 258
 
 namespace OT {
 
@@ -130,7 +95,7 @@ struct post
 
       if (!buffer_length)
 	return true;
-      strncpy (buffer, format1_names[glyph], buffer_length);
+      strncpy (buffer, format1_names (glyph), buffer_length);
       buffer[buffer_length - 1] = '\0';
       return true;
     }
@@ -150,7 +115,7 @@ struct post
       {
 	if (!buffer_length)
 	  return true;
-	strncpy (buffer, format1_names[index], buffer_length);
+	strncpy (buffer, format1_names (index), buffer_length);
 	buffer[buffer_length - 1] = '\0';
 	return true;
       }
@@ -195,7 +160,7 @@ struct post
     {
       for (int i = 0; i < NUM_FORMAT1_NAMES; i++)
       {
-	if (strncmp (name, format1_names[i], len) == 0 && format1_names[i][len] == '\0')
+	if (strncmp (name, format1_names (i), len) == 0 && format1_names (i)[len] == '\0')
 	{
 	  *glyph = i;
 	  return true;
@@ -218,7 +183,7 @@ struct post
 	unsigned int index = v2.glyphNameIndex[gid];
 	if (index < NUM_FORMAT1_NAMES)
 	{
-	  if (strncmp (name, format1_names[index], len) == 0 && format1_names[index][len] == '\0')
+	  if (strncmp (name, format1_names (index), len) == 0 && format1_names (index)[len] == '\0')
 	  {
 	    *glyph = gid;
 	    return true;

From 42d518513c683fd5e932898ceec891c3003d75e1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 00:25:11 -0600
Subject: [PATCH 0539/1326] Towards compiling with pre-C++11 compilers and
 nullptr fallback

https://github.com/behdad/harfbuzz/issues/585
---
 src/hb-atomic-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-atomic-private.hh b/src/hb-atomic-private.hh
index 2d5675792..934384014 100644
--- a/src/hb-atomic-private.hh
+++ b/src/hb-atomic-private.hh
@@ -89,9 +89,9 @@ typedef int32_t hb_atomic_int_impl_t;
 #define hb_atomic_ptr_impl_cmpexch(P,O,N)	OSAtomicCompareAndSwapPtrBarrier ((void *) (O), (void *) (N), (void **) (P))
 #else
 #if __ppc64__ || __x86_64__ || __aarch64__
-#define hb_atomic_ptr_impl_cmpexch(P,O,N)	OSAtomicCompareAndSwap64Barrier ((int64_t) (O), (int64_t) (N), (int64_t*) (P))
+#define hb_atomic_ptr_impl_cmpexch(P,O,N)	OSAtomicCompareAndSwap64Barrier ((int64_t) (void *) (O), (int64_t) (void *) (N), (int64_t*) (P))
 #else
-#define hb_atomic_ptr_impl_cmpexch(P,O,N)	OSAtomicCompareAndSwap32Barrier ((int32_t) (O), (int32_t) (N), (int32_t*) (P))
+#define hb_atomic_ptr_impl_cmpexch(P,O,N)	OSAtomicCompareAndSwap32Barrier ((int32_t) (void *) (O), (int32_t) (void *) (N), (int32_t*) (P))
 #endif
 #endif
 

From 17f40b7cad240eadeccdf23eb11da7ed52252ca2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 09:22:30 -0600
Subject: [PATCH 0540/1326] Include hb-private.hh more consistently

Part of fixing https://github.com/behdad/harfbuzz/issues/585
---
 src/test-buffer-serialize.cc |  4 +---
 src/test-size-params.cc      |  4 +---
 src/test-would-substitute.cc |  4 +---
 util/ansi-print.hh           |  1 +
 util/helper-cairo-ansi.hh    |  5 +++--
 util/helper-cairo.hh         |  7 ++++---
 util/main-font-text.hh       |  5 +++--
 util/options.hh              | 11 +----------
 util/shape-consumer.hh       |  5 +++--
 util/view-cairo.hh           |  7 ++++---
 10 files changed, 22 insertions(+), 31 deletions(-)

diff --git a/src/test-buffer-serialize.cc b/src/test-buffer-serialize.cc
index c52d88a0f..74de9a0e7 100644
--- a/src/test-buffer-serialize.cc
+++ b/src/test-buffer-serialize.cc
@@ -24,9 +24,7 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "hb-private.hh"
 
 #include "hb.h"
 #ifdef HAVE_FREETYPE
diff --git a/src/test-size-params.cc b/src/test-size-params.cc
index faa828051..9741b87ef 100644
--- a/src/test-size-params.cc
+++ b/src/test-size-params.cc
@@ -24,9 +24,7 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "hb-private.hh"
 
 #include "hb.h"
 #include "hb-ot.h"
diff --git a/src/test-would-substitute.cc b/src/test-would-substitute.cc
index cad5b5a04..efebf2d06 100644
--- a/src/test-would-substitute.cc
+++ b/src/test-would-substitute.cc
@@ -24,9 +24,7 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "hb-private.hh"
 
 #include "hb.h"
 #include "hb-ot.h"
diff --git a/util/ansi-print.hh b/util/ansi-print.hh
index dad4d4cfd..1ea5b3742 100644
--- a/util/ansi-print.hh
+++ b/util/ansi-print.hh
@@ -27,6 +27,7 @@
 #ifndef ANSI_PRINT_HH
 #define ANSI_PRINT_HH
 
+#include "hb-private.hh"
 #include <hb.h> /* for int types */
 
 void
diff --git a/util/helper-cairo-ansi.hh b/util/helper-cairo-ansi.hh
index eeaaa5069..cf18ea495 100644
--- a/util/helper-cairo-ansi.hh
+++ b/util/helper-cairo-ansi.hh
@@ -24,11 +24,12 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#include <cairo.h>
-
 #ifndef HELPER_CAIRO_ANSI_HH
 #define HELPER_CAIRO_ANSI_HH
 
+#include "hb-private.hh"
+
+#include <cairo.h>
 
 cairo_status_t
 helper_cairo_surface_write_to_ansi_stream (cairo_surface_t	*surface,
diff --git a/util/helper-cairo.hh b/util/helper-cairo.hh
index 27b6eb3dc..50bc0af09 100644
--- a/util/helper-cairo.hh
+++ b/util/helper-cairo.hh
@@ -24,13 +24,14 @@
  * Google Author(s): Behdad Esfahbod
  */
 
+#ifndef HELPER_CAIRO_HH
+#define HELPER_CAIRO_HH
+
+#include "hb-private.hh"
 #include "options.hh"
 
 #include <cairo.h>
 
-#ifndef HELPER_CAIRO_HH
-#define HELPER_CAIRO_HH
-
 
 cairo_scaled_font_t *
 helper_cairo_create_scaled_font (const font_options_t *font_opts);
diff --git a/util/main-font-text.hh b/util/main-font-text.hh
index 53478e756..3390371c5 100644
--- a/util/main-font-text.hh
+++ b/util/main-font-text.hh
@@ -24,11 +24,12 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#include "options.hh"
-
 #ifndef HB_MAIN_FONT_TEXT_HH
 #define HB_MAIN_FONT_TEXT_HH
 
+#include "hb-private.hh"
+#include "options.hh"
+
 /* main() body for utilities taking font and processing text.*/
 
 static char *
diff --git a/util/options.hh b/util/options.hh
index c2f37dcaf..4f9d85e50 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -27,10 +27,7 @@
 #ifndef OPTIONS_HH
 #define OPTIONS_HH
 
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "hb-private.hh"
 
 #include <stdlib.h>
 #include <stddef.h>
@@ -59,12 +56,6 @@
 # define g_mapped_file_unref g_mapped_file_free
 #endif
 
-/* Normally I don't like including private headers, but hb-private.hh
- * is generic utility stuff and in no way exposes the internals of
- * libharfbuzz.
- */
-#include "hb-private.hh"
-
 void fail (hb_bool_t suggest_help, const char *format, ...) G_GNUC_NORETURN G_GNUC_PRINTF (2, 3);
 
 extern hb_bool_t debug;
diff --git a/util/shape-consumer.hh b/util/shape-consumer.hh
index 1aa30cdee..fa419f185 100644
--- a/util/shape-consumer.hh
+++ b/util/shape-consumer.hh
@@ -24,11 +24,12 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#include "options.hh"
-
 #ifndef HB_SHAPE_CONSUMER_HH
 #define HB_SHAPE_CONSUMER_HH
 
+#include "hb-private.hh"
+#include "options.hh"
+
 
 template <typename output_t>
 struct shape_consumer_t
diff --git a/util/view-cairo.hh b/util/view-cairo.hh
index bf56da3c8..d28c3cd16 100644
--- a/util/view-cairo.hh
+++ b/util/view-cairo.hh
@@ -24,12 +24,13 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#include "options.hh"
-#include "helper-cairo.hh"
-
 #ifndef VIEW_CAIRO_HH
 #define VIEW_CAIRO_HH
 
+#include "hb-private.hh"
+#include "options.hh"
+#include "helper-cairo.hh"
+
 
 struct view_cairo_t
 {

From 62e312ead808cec055049592b0d40aa3a8882bc9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 09:29:20 -0600
Subject: [PATCH 0541/1326] Use NULL instead of polyfill, if nullptr is not
 available

Part of fixing https://github.com/behdad/harfbuzz/issues/585
---
 src/hb-private.hh | 22 +++-------------------
 1 file changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 268a2b0a8..a6b3ab8ca 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -80,25 +80,9 @@ extern "C" void  hb_free_impl(void *ptr);
 
 #if __cplusplus < 201103L
 
-// Null pointer literal
-// Source: SC22/WG21/N2431 = J16/07-0301
-// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf
-
-const                        // this is a const object...
-class {
-public:
-    template<class T>          // convertible to any type
-    operator T*() const {    // of null non-member
-        return 0;    // pointer...
-    }
-    template<class C, class T> // or any type of null
-    operator T C::*() const { // member pointer...
-        return 0;
-    }
-private:
-    void operator&() const;    // whose address can't be taken
-} _hb_nullptr = {};            // and whose name is nullptr
-#define nullptr _hb_nullptr
+#ifndef nullptr
+#define nullptr NULL
+#endif
 
 // Static assertions
 #ifndef static_assert

From 2e025507634e54a64fa5d0cbfefc4b65177c06c5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 10:23:01 -0600
Subject: [PATCH 0542/1326] [git.mk] Update

---
 git.mk | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 55 insertions(+), 2 deletions(-)

diff --git a/git.mk b/git.mk
index bd39ae10d..6e2708f2d 100644
--- a/git.mk
+++ b/git.mk
@@ -48,7 +48,7 @@ GIT_MK_URL = https://raw.githubusercontent.com/behdad/git.mk/master/git.mk
 #
 # This file knows how to handle autoconf, automake, libtool, gtk-doc,
 # gnome-doc-utils, yelp.m4, mallard, intltool, gsettings, dejagnu, appdata,
-# appstream.
+# appstream, hotdoc.
 #
 # This makefile provides the following targets:
 #
@@ -86,6 +86,7 @@ GITIGNORE_MAINTAINERCLEANFILES_TOPLEVEL = \
 		ar-lib \
 		compile \
 		config.guess \
+		config.rpath \
 		config.sub \
 		depcomp \
 		install-sh \
@@ -120,6 +121,47 @@ GITIGNORE_MAINTAINERCLEANFILES_M4_LIBTOOL = \
 			lt~obsolete.m4 \
 		; do echo "$$MACRO_DIR/$$x"; done; \
 	 fi`
+#
+# Modules that use gettext and use  AC_CONFIG_MACRO_DIR() may also include this,
+# though it's harmless to include regardless.
+GITIGNORE_MAINTAINERCLEANFILES_M4_GETTEXT = \
+	`MACRO_DIR=$(srcdir)/$$(cd $(top_srcdir); $(AUTOCONF) --trace 'AC_CONFIG_MACRO_DIR:$$1' ./configure.ac); \
+	if test "x$$MACRO_DIR" != "x$(srcdir)/"; then	\
+		for x in				\
+			codeset.m4			\
+			extern-inline.m4		\
+			fcntl-o.m4			\
+			gettext.m4			\
+			glibc2.m4			\
+			glibc21.m4			\
+			iconv.m4			\
+			intdiv0.m4			\
+			intl.m4				\
+			intldir.m4			\
+			intlmacosx.m4			\
+			intmax.m4			\
+			inttypes-pri.m4			\
+			inttypes_h.m4			\
+			lcmessage.m4			\
+			lib-ld.m4			\
+			lib-link.m4			\
+			lib-prefix.m4			\
+			lock.m4				\
+			longlong.m4			\
+			nls.m4				\
+			po.m4				\
+			printf-posix.m4			\
+			progtest.m4			\
+			size_max.m4			\
+			stdint_h.m4			\
+			threadlib.m4			\
+			uintmax_t.m4			\
+			visibility.m4			\
+			wchar_t.m4			\
+			wint_t.m4			\
+			xsize.m4			\
+		; do echo "$$MACRO_DIR/$$x"; done; \
+	fi`
 
 
 
@@ -208,6 +250,15 @@ $(srcdir)/.gitignore: Makefile.am $(top_srcdir)/git.mk
 				"*/*.omf.out" \
 			; do echo /$$x; done; \
 		fi; \
+		if test "x$(HOTDOC)" = x; then :; else \
+			$(foreach project, $(HOTDOC_PROJECTS),echo "/$(call HOTDOC_TARGET,$(project))"; \
+				echo "/$(shell $(call HOTDOC_PROJECT_COMMAND,$(project)) --get-conf-path output)" ; \
+				echo "/$(shell $(call HOTDOC_PROJECT_COMMAND,$(project)) --get-private-folder)" ; \
+			) \
+			for x in \
+				.hotdoc.d \
+			; do echo "/$$x"; done; \
+		fi; \
 		if test "x$(HELP_ID)" = x -o "x$(HELP_LINGUAS)" = x; then :; else \
 			for lc in $(HELP_LINGUAS); do \
 				for x in \
@@ -235,6 +286,7 @@ $(srcdir)/.gitignore: Makefile.am $(top_srcdir)/git.mk
 		fi; \
 		if test -f $(srcdir)/po/Makefile.in.in; then \
 			for x in \
+				ABOUT-NLS \
 				po/Makefile.in.in \
 				po/Makefile.in.in~ \
 				po/Makefile.in \
@@ -243,6 +295,7 @@ $(srcdir)/.gitignore: Makefile.am $(top_srcdir)/git.mk
 				po/POTFILES \
 				po/Rules-quot \
 				po/stamp-it \
+				po/stamp-po \
 				po/.intltool-merge-cache \
 				"po/*.gmo" \
 				"po/*.header" \
@@ -274,7 +327,7 @@ $(srcdir)/.gitignore: Makefile.am $(top_srcdir)/git.mk
 		if test "x$(am__dirstamp)" = x; then :; else \
 			echo "$(am__dirstamp)"; \
 		fi; \
-		if test "x$(LTCOMPILE)" = x -a "x$(LTCXXCOMPILE)" = x -a "x$(GTKDOC_RUN)" = x; then :; else \
+		if test "x$(findstring libtool,$(LTCOMPILE))" = x -a "x$(findstring libtool,$(LTCXXCOMPILE))" = x -a "x$(GTKDOC_RUN)" = x; then :; else \
 			for x in \
 				"*.lo" \
 				".libs" "_libs" \

From 6c4689704071a76c49be819b8034feaf93e26a42 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 10:24:58 -0600
Subject: [PATCH 0543/1326] [m4] Update ax_pthread.m4

---
 m4/ax_pthread.m4 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4
index 4c4051ea3..5fbf9fe0d 100644
--- a/m4/ax_pthread.m4
+++ b/m4/ax_pthread.m4
@@ -1,5 +1,5 @@
 # ===========================================================================
-#        http://www.gnu.org/software/autoconf-archive/ax_pthread.html
+#        https://www.gnu.org/software/autoconf-archive/ax_pthread.html
 # ===========================================================================
 #
 # SYNOPSIS
@@ -67,7 +67,7 @@
 #   Public License for more details.
 #
 #   You should have received a copy of the GNU General Public License along
-#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#   with this program. If not, see <https://www.gnu.org/licenses/>.
 #
 #   As a special exception, the respective Autoconf Macro's copyright owner
 #   gives unlimited permission to copy, distribute and modify the configure
@@ -82,7 +82,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 23
+#serial 24
 
 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
 AC_DEFUN([AX_PTHREAD], [

From 919b4b76a7b1f9dd7c71310a729982242f9060a5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 10:29:25 -0600
Subject: [PATCH 0544/1326] Make c++11 optional

Fixes https://github.com/behdad/harfbuzz/issues/585
---
 configure.ac                |   4 +-
 m4/ax_cxx_compile_stdcxx.m4 | 982 ++++++++++++++++++++++++++++++++++++
 2 files changed, 983 insertions(+), 3 deletions(-)
 create mode 100644 m4/ax_cxx_compile_stdcxx.m4

diff --git a/configure.ac b/configure.ac
index d3dec0af6..83bfacb2f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,6 +23,7 @@ AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CXX
+AX_CXX_COMPILE_STDCXX(11, noext, optional)
 AC_SYS_LARGEFILE
 PKG_PROG_PKG_CONFIG([0.20])
 AM_MISSING_PROG([RAGEL], [ragel])
@@ -80,9 +81,6 @@ if test "x$GCC" = "xyes"; then
 	# Make symbols link locally
 	LDFLAGS="$LDFLAGS -Bsymbolic-functions"
 
-	# Choose C++ version
-	CXXFLAGS="$CXXFLAGS -std=c++11"
-
 	# Make sure we don't link to libstdc++
 	CXXFLAGS="$CXXFLAGS -fno-rtti -fno-exceptions"
 
diff --git a/m4/ax_cxx_compile_stdcxx.m4 b/m4/ax_cxx_compile_stdcxx.m4
new file mode 100644
index 000000000..5032bba80
--- /dev/null
+++ b/m4/ax_cxx_compile_stdcxx.m4
@@ -0,0 +1,982 @@
+# ===========================================================================
+#  https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CXX_COMPILE_STDCXX(VERSION, [ext|noext], [mandatory|optional])
+#
+# DESCRIPTION
+#
+#   Check for baseline language coverage in the compiler for the specified
+#   version of the C++ standard.  If necessary, add switches to CXX and
+#   CXXCPP to enable support.  VERSION may be '11' (for the C++11 standard)
+#   or '14' (for the C++14 standard).
+#
+#   The second argument, if specified, indicates whether you insist on an
+#   extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g.
+#   -std=c++11).  If neither is specified, you get whatever works, with
+#   preference for an extended mode.
+#
+#   The third argument, if specified 'mandatory' or if left unspecified,
+#   indicates that baseline support for the specified C++ standard is
+#   required and that the macro should error out if no mode with that
+#   support is found.  If specified 'optional', then configuration proceeds
+#   regardless, after defining HAVE_CXX${VERSION} if and only if a
+#   supporting mode is found.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com>
+#   Copyright (c) 2012 Zack Weinberg <zackw@panix.com>
+#   Copyright (c) 2013 Roy Stogner <roystgnr@ices.utexas.edu>
+#   Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov <sokolov@google.com>
+#   Copyright (c) 2015 Paul Norman <penorman@mac.com>
+#   Copyright (c) 2015 Moritz Klammler <moritz@klammler.eu>
+#   Copyright (c) 2016 Krzesimir Nowak <qdlacz@gmail.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.  This file is offered as-is, without any
+#   warranty.
+
+#serial 7
+
+dnl  This macro is based on the code from the AX_CXX_COMPILE_STDCXX_11 macro
+dnl  (serial version number 13).
+
+AX_REQUIRE_DEFINED([AC_MSG_WARN])
+AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
+  m4_if([$1], [11], [ax_cxx_compile_alternatives="11 0x"],
+        [$1], [14], [ax_cxx_compile_alternatives="14 1y"],
+        [$1], [17], [ax_cxx_compile_alternatives="17 1z"],
+        [m4_fatal([invalid first argument `$1' to AX_CXX_COMPILE_STDCXX])])dnl
+  m4_if([$2], [], [],
+        [$2], [ext], [],
+        [$2], [noext], [],
+        [m4_fatal([invalid second argument `$2' to AX_CXX_COMPILE_STDCXX])])dnl
+  m4_if([$3], [], [ax_cxx_compile_cxx$1_required=true],
+        [$3], [mandatory], [ax_cxx_compile_cxx$1_required=true],
+        [$3], [optional], [ax_cxx_compile_cxx$1_required=false],
+        [m4_fatal([invalid third argument `$3' to AX_CXX_COMPILE_STDCXX])])
+  AC_LANG_PUSH([C++])dnl
+  ac_success=no
+  AC_CACHE_CHECK(whether $CXX supports C++$1 features by default,
+  ax_cv_cxx_compile_cxx$1,
+  [AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
+    [ax_cv_cxx_compile_cxx$1=yes],
+    [ax_cv_cxx_compile_cxx$1=no])])
+  if test x$ax_cv_cxx_compile_cxx$1 = xyes; then
+    ac_success=yes
+  fi
+
+  m4_if([$2], [noext], [], [dnl
+  if test x$ac_success = xno; then
+    for alternative in ${ax_cxx_compile_alternatives}; do
+      switch="-std=gnu++${alternative}"
+      cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch])
+      AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch,
+                     $cachevar,
+        [ac_save_CXX="$CXX"
+         CXX="$CXX $switch"
+         AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
+          [eval $cachevar=yes],
+          [eval $cachevar=no])
+         CXX="$ac_save_CXX"])
+      if eval test x\$$cachevar = xyes; then
+        CXX="$CXX $switch"
+        if test -n "$CXXCPP" ; then
+          CXXCPP="$CXXCPP $switch"
+        fi
+        ac_success=yes
+        break
+      fi
+    done
+  fi])
+
+  m4_if([$2], [ext], [], [dnl
+  if test x$ac_success = xno; then
+    dnl HP's aCC needs +std=c++11 according to:
+    dnl http://h21007.www2.hp.com/portal/download/files/unprot/aCxx/PDF_Release_Notes/769149-001.pdf
+    dnl Cray's crayCC needs "-h std=c++11"
+    for alternative in ${ax_cxx_compile_alternatives}; do
+      for switch in -std=c++${alternative} +std=c++${alternative} "-h std=c++${alternative}"; do
+        cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch])
+        AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch,
+                       $cachevar,
+          [ac_save_CXX="$CXX"
+           CXX="$CXX $switch"
+           AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
+            [eval $cachevar=yes],
+            [eval $cachevar=no])
+           CXX="$ac_save_CXX"])
+        if eval test x\$$cachevar = xyes; then
+          CXX="$CXX $switch"
+          if test -n "$CXXCPP" ; then
+            CXXCPP="$CXXCPP $switch"
+          fi
+          ac_success=yes
+          break
+        fi
+      done
+      if test x$ac_success = xyes; then
+        break
+      fi
+    done
+  fi])
+  AC_LANG_POP([C++])
+  if test x$ax_cxx_compile_cxx$1_required = xtrue; then
+    if test x$ac_success = xno; then
+      AC_MSG_ERROR([*** A compiler with support for C++$1 language features is required.])
+    fi
+  fi
+  if test x$ac_success = xno; then
+    HAVE_CXX$1=0
+    AC_MSG_NOTICE([No compiler with C++$1 support was found])
+  else
+    HAVE_CXX$1=1
+    AC_DEFINE(HAVE_CXX$1,1,
+              [define if the compiler supports basic C++$1 syntax])
+  fi
+  AC_SUBST(HAVE_CXX$1)
+  m4_if([$1], [17], [AC_MSG_WARN([C++17 is not yet standardized, so the checks may change in incompatible ways anytime])])
+])
+
+
+dnl  Test body for checking C++11 support
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_11],
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
+)
+
+
+dnl  Test body for checking C++14 support
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14],
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
+)
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_17],
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_17
+)
+
+dnl  Tests for new features in C++11
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_11], [[
+
+// If the compiler admits that it is not ready for C++11, why torture it?
+// Hopefully, this will speed up the test.
+
+#ifndef __cplusplus
+
+#error "This is not a C++ compiler"
+
+#elif __cplusplus < 201103L
+
+#error "This is not a C++11 compiler"
+
+#else
+
+namespace cxx11
+{
+
+  namespace test_static_assert
+  {
+
+    template <typename T>
+    struct check
+    {
+      static_assert(sizeof(int) <= sizeof(T), "not big enough");
+    };
+
+  }
+
+  namespace test_final_override
+  {
+
+    struct Base
+    {
+      virtual void f() {}
+    };
+
+    struct Derived : public Base
+    {
+      virtual void f() override {}
+    };
+
+  }
+
+  namespace test_double_right_angle_brackets
+  {
+
+    template < typename T >
+    struct check {};
+
+    typedef check<void> single_type;
+    typedef check<check<void>> double_type;
+    typedef check<check<check<void>>> triple_type;
+    typedef check<check<check<check<void>>>> quadruple_type;
+
+  }
+
+  namespace test_decltype
+  {
+
+    int
+    f()
+    {
+      int a = 1;
+      decltype(a) b = 2;
+      return a + b;
+    }
+
+  }
+
+  namespace test_type_deduction
+  {
+
+    template < typename T1, typename T2 >
+    struct is_same
+    {
+      static const bool value = false;
+    };
+
+    template < typename T >
+    struct is_same<T, T>
+    {
+      static const bool value = true;
+    };
+
+    template < typename T1, typename T2 >
+    auto
+    add(T1 a1, T2 a2) -> decltype(a1 + a2)
+    {
+      return a1 + a2;
+    }
+
+    int
+    test(const int c, volatile int v)
+    {
+      static_assert(is_same<int, decltype(0)>::value == true, "");
+      static_assert(is_same<int, decltype(c)>::value == false, "");
+      static_assert(is_same<int, decltype(v)>::value == false, "");
+      auto ac = c;
+      auto av = v;
+      auto sumi = ac + av + 'x';
+      auto sumf = ac + av + 1.0;
+      static_assert(is_same<int, decltype(ac)>::value == true, "");
+      static_assert(is_same<int, decltype(av)>::value == true, "");
+      static_assert(is_same<int, decltype(sumi)>::value == true, "");
+      static_assert(is_same<int, decltype(sumf)>::value == false, "");
+      static_assert(is_same<int, decltype(add(c, v))>::value == true, "");
+      return (sumf > 0.0) ? sumi : add(c, v);
+    }
+
+  }
+
+  namespace test_noexcept
+  {
+
+    int f() { return 0; }
+    int g() noexcept { return 0; }
+
+    static_assert(noexcept(f()) == false, "");
+    static_assert(noexcept(g()) == true, "");
+
+  }
+
+  namespace test_constexpr
+  {
+
+    template < typename CharT >
+    unsigned long constexpr
+    strlen_c_r(const CharT *const s, const unsigned long acc) noexcept
+    {
+      return *s ? strlen_c_r(s + 1, acc + 1) : acc;
+    }
+
+    template < typename CharT >
+    unsigned long constexpr
+    strlen_c(const CharT *const s) noexcept
+    {
+      return strlen_c_r(s, 0UL);
+    }
+
+    static_assert(strlen_c("") == 0UL, "");
+    static_assert(strlen_c("1") == 1UL, "");
+    static_assert(strlen_c("example") == 7UL, "");
+    static_assert(strlen_c("another\0example") == 7UL, "");
+
+  }
+
+  namespace test_rvalue_references
+  {
+
+    template < int N >
+    struct answer
+    {
+      static constexpr int value = N;
+    };
+
+    answer<1> f(int&)       { return answer<1>(); }
+    answer<2> f(const int&) { return answer<2>(); }
+    answer<3> f(int&&)      { return answer<3>(); }
+
+    void
+    test()
+    {
+      int i = 0;
+      const int c = 0;
+      static_assert(decltype(f(i))::value == 1, "");
+      static_assert(decltype(f(c))::value == 2, "");
+      static_assert(decltype(f(0))::value == 3, "");
+    }
+
+  }
+
+  namespace test_uniform_initialization
+  {
+
+    struct test
+    {
+      static const int zero {};
+      static const int one {1};
+    };
+
+    static_assert(test::zero == 0, "");
+    static_assert(test::one == 1, "");
+
+  }
+
+  namespace test_lambdas
+  {
+
+    void
+    test1()
+    {
+      auto lambda1 = [](){};
+      auto lambda2 = lambda1;
+      lambda1();
+      lambda2();
+    }
+
+    int
+    test2()
+    {
+      auto a = [](int i, int j){ return i + j; }(1, 2);
+      auto b = []() -> int { return '0'; }();
+      auto c = [=](){ return a + b; }();
+      auto d = [&](){ return c; }();
+      auto e = [a, &b](int x) mutable {
+        const auto identity = [](int y){ return y; };
+        for (auto i = 0; i < a; ++i)
+          a += b--;
+        return x + identity(a + b);
+      }(0);
+      return a + b + c + d + e;
+    }
+
+    int
+    test3()
+    {
+      const auto nullary = [](){ return 0; };
+      const auto unary = [](int x){ return x; };
+      using nullary_t = decltype(nullary);
+      using unary_t = decltype(unary);
+      const auto higher1st = [](nullary_t f){ return f(); };
+      const auto higher2nd = [unary](nullary_t f1){
+        return [unary, f1](unary_t f2){ return f2(unary(f1())); };
+      };
+      return higher1st(nullary) + higher2nd(nullary)(unary);
+    }
+
+  }
+
+  namespace test_variadic_templates
+  {
+
+    template <int...>
+    struct sum;
+
+    template <int N0, int... N1toN>
+    struct sum<N0, N1toN...>
+    {
+      static constexpr auto value = N0 + sum<N1toN...>::value;
+    };
+
+    template <>
+    struct sum<>
+    {
+      static constexpr auto value = 0;
+    };
+
+    static_assert(sum<>::value == 0, "");
+    static_assert(sum<1>::value == 1, "");
+    static_assert(sum<23>::value == 23, "");
+    static_assert(sum<1, 2>::value == 3, "");
+    static_assert(sum<5, 5, 11>::value == 21, "");
+    static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, "");
+
+  }
+
+  // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae
+  // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function
+  // because of this.
+  namespace test_template_alias_sfinae
+  {
+
+    struct foo {};
+
+    template<typename T>
+    using member = typename T::member_type;
+
+    template<typename T>
+    void func(...) {}
+
+    template<typename T>
+    void func(member<T>*) {}
+
+    void test();
+
+    void test() { func<foo>(0); }
+
+  }
+
+}  // namespace cxx11
+
+#endif  // __cplusplus >= 201103L
+
+]])
+
+
+dnl  Tests for new features in C++14
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_14], [[
+
+// If the compiler admits that it is not ready for C++14, why torture it?
+// Hopefully, this will speed up the test.
+
+#ifndef __cplusplus
+
+#error "This is not a C++ compiler"
+
+#elif __cplusplus < 201402L
+
+#error "This is not a C++14 compiler"
+
+#else
+
+namespace cxx14
+{
+
+  namespace test_polymorphic_lambdas
+  {
+
+    int
+    test()
+    {
+      const auto lambda = [](auto&&... args){
+        const auto istiny = [](auto x){
+          return (sizeof(x) == 1UL) ? 1 : 0;
+        };
+        const int aretiny[] = { istiny(args)... };
+        return aretiny[0];
+      };
+      return lambda(1, 1L, 1.0f, '1');
+    }
+
+  }
+
+  namespace test_binary_literals
+  {
+
+    constexpr auto ivii = 0b0000000000101010;
+    static_assert(ivii == 42, "wrong value");
+
+  }
+
+  namespace test_generalized_constexpr
+  {
+
+    template < typename CharT >
+    constexpr unsigned long
+    strlen_c(const CharT *const s) noexcept
+    {
+      auto length = 0UL;
+      for (auto p = s; *p; ++p)
+        ++length;
+      return length;
+    }
+
+    static_assert(strlen_c("") == 0UL, "");
+    static_assert(strlen_c("x") == 1UL, "");
+    static_assert(strlen_c("test") == 4UL, "");
+    static_assert(strlen_c("another\0test") == 7UL, "");
+
+  }
+
+  namespace test_lambda_init_capture
+  {
+
+    int
+    test()
+    {
+      auto x = 0;
+      const auto lambda1 = [a = x](int b){ return a + b; };
+      const auto lambda2 = [a = lambda1(x)](){ return a; };
+      return lambda2();
+    }
+
+  }
+
+  namespace test_digit_separators
+  {
+
+    constexpr auto ten_million = 100'000'000;
+    static_assert(ten_million == 100000000, "");
+
+  }
+
+  namespace test_return_type_deduction
+  {
+
+    auto f(int& x) { return x; }
+    decltype(auto) g(int& x) { return x; }
+
+    template < typename T1, typename T2 >
+    struct is_same
+    {
+      static constexpr auto value = false;
+    };
+
+    template < typename T >
+    struct is_same<T, T>
+    {
+      static constexpr auto value = true;
+    };
+
+    int
+    test()
+    {
+      auto x = 0;
+      static_assert(is_same<int, decltype(f(x))>::value, "");
+      static_assert(is_same<int&, decltype(g(x))>::value, "");
+      return x;
+    }
+
+  }
+
+}  // namespace cxx14
+
+#endif  // __cplusplus >= 201402L
+
+]])
+
+
+dnl  Tests for new features in C++17
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_17], [[
+
+// If the compiler admits that it is not ready for C++17, why torture it?
+// Hopefully, this will speed up the test.
+
+#ifndef __cplusplus
+
+#error "This is not a C++ compiler"
+
+#elif __cplusplus <= 201402L
+
+#error "This is not a C++17 compiler"
+
+#else
+
+#if defined(__clang__)
+  #define REALLY_CLANG
+#else
+  #if defined(__GNUC__)
+    #define REALLY_GCC
+  #endif
+#endif
+
+#include <initializer_list>
+#include <utility>
+#include <type_traits>
+
+namespace cxx17
+{
+
+#if !defined(REALLY_CLANG)
+  namespace test_constexpr_lambdas
+  {
+
+    // TODO: test it with clang++ from git
+
+    constexpr int foo = [](){return 42;}();
+
+  }
+#endif // !defined(REALLY_CLANG)
+
+  namespace test::nested_namespace::definitions
+  {
+
+  }
+
+  namespace test_fold_expression
+  {
+
+    template<typename... Args>
+    int multiply(Args... args)
+    {
+      return (args * ... * 1);
+    }
+
+    template<typename... Args>
+    bool all(Args... args)
+    {
+      return (args && ...);
+    }
+
+  }
+
+  namespace test_extended_static_assert
+  {
+
+    static_assert (true);
+
+  }
+
+  namespace test_auto_brace_init_list
+  {
+
+    auto foo = {5};
+    auto bar {5};
+
+    static_assert(std::is_same<std::initializer_list<int>, decltype(foo)>::value);
+    static_assert(std::is_same<int, decltype(bar)>::value);
+  }
+
+  namespace test_typename_in_template_template_parameter
+  {
+
+    template<template<typename> typename X> struct D;
+
+  }
+
+  namespace test_fallthrough_nodiscard_maybe_unused_attributes
+  {
+
+    int f1()
+    {
+      return 42;
+    }
+
+    [[nodiscard]] int f2()
+    {
+      [[maybe_unused]] auto unused = f1();
+
+      switch (f1())
+      {
+      case 17:
+        f1();
+        [[fallthrough]];
+      case 42:
+        f1();
+      }
+      return f1();
+    }
+
+  }
+
+  namespace test_extended_aggregate_initialization
+  {
+
+    struct base1
+    {
+      int b1, b2 = 42;
+    };
+
+    struct base2
+    {
+      base2() {
+        b3 = 42;
+      }
+      int b3;
+    };
+
+    struct derived : base1, base2
+    {
+        int d;
+    };
+
+    derived d1 {{1, 2}, {}, 4};  // full initialization
+    derived d2 {{}, {}, 4};      // value-initialized bases
+
+  }
+
+  namespace test_general_range_based_for_loop
+  {
+
+    struct iter
+    {
+      int i;
+
+      int& operator* ()
+      {
+        return i;
+      }
+
+      const int& operator* () const
+      {
+        return i;
+      }
+
+      iter& operator++()
+      {
+        ++i;
+        return *this;
+      }
+    };
+
+    struct sentinel
+    {
+      int i;
+    };
+
+    bool operator== (const iter& i, const sentinel& s)
+    {
+      return i.i == s.i;
+    }
+
+    bool operator!= (const iter& i, const sentinel& s)
+    {
+      return !(i == s);
+    }
+
+    struct range
+    {
+      iter begin() const
+      {
+        return {0};
+      }
+
+      sentinel end() const
+      {
+        return {5};
+      }
+    };
+
+    void f()
+    {
+      range r {};
+
+      for (auto i : r)
+      {
+        [[maybe_unused]] auto v = i;
+      }
+    }
+
+  }
+
+  namespace test_lambda_capture_asterisk_this_by_value
+  {
+
+    struct t
+    {
+      int i;
+      int foo()
+      {
+        return [*this]()
+        {
+          return i;
+        }();
+      }
+    };
+
+  }
+
+  namespace test_enum_class_construction
+  {
+
+    enum class byte : unsigned char
+    {};
+
+    byte foo {42};
+
+  }
+
+  namespace test_constexpr_if
+  {
+
+    template <bool cond>
+    int f ()
+    {
+      if constexpr(cond)
+      {
+        return 13;
+      }
+      else
+      {
+        return 42;
+      }
+    }
+
+  }
+
+  namespace test_selection_statement_with_initializer
+  {
+
+    int f()
+    {
+      return 13;
+    }
+
+    int f2()
+    {
+      if (auto i = f(); i > 0)
+      {
+        return 3;
+      }
+
+      switch (auto i = f(); i + 4)
+      {
+      case 17:
+        return 2;
+
+      default:
+        return 1;
+      }
+    }
+
+  }
+
+#if !defined(REALLY_CLANG)
+  namespace test_template_argument_deduction_for_class_templates
+  {
+
+    // TODO: test it with clang++ from git
+
+    template <typename T1, typename T2>
+    struct pair
+    {
+      pair (T1 p1, T2 p2)
+        : m1 {p1},
+          m2 {p2}
+      {}
+
+      T1 m1;
+      T2 m2;
+    };
+
+    void f()
+    {
+      [[maybe_unused]] auto p = pair{13, 42u};
+    }
+
+  }
+#endif // !defined(REALLY_CLANG)
+
+  namespace test_non_type_auto_template_parameters
+  {
+
+    template <auto n>
+    struct B
+    {};
+
+    B<5> b1;
+    B<'a'> b2;
+
+  }
+
+#if !defined(REALLY_CLANG)
+  namespace test_structured_bindings
+  {
+
+    // TODO: test it with clang++ from git
+
+    int arr[2] = { 1, 2 };
+    std::pair<int, int> pr = { 1, 2 };
+
+    auto f1() -> int(&)[2]
+    {
+      return arr;
+    }
+
+    auto f2() -> std::pair<int, int>&
+    {
+      return pr;
+    }
+
+    struct S
+    {
+      int x1 : 2;
+      volatile double y1;
+    };
+
+    S f3()
+    {
+      return {};
+    }
+
+    auto [ x1, y1 ] = f1();
+    auto& [ xr1, yr1 ] = f1();
+    auto [ x2, y2 ] = f2();
+    auto& [ xr2, yr2 ] = f2();
+    const auto [ x3, y3 ] = f3();
+
+  }
+#endif // !defined(REALLY_CLANG)
+
+#if !defined(REALLY_CLANG)
+  namespace test_exception_spec_type_system
+  {
+
+    // TODO: test it with clang++ from git
+
+    struct Good {};
+    struct Bad {};
+
+    void g1() noexcept;
+    void g2();
+
+    template<typename T>
+    Bad
+    f(T*, T*);
+
+    template<typename T1, typename T2>
+    Good
+    f(T1*, T2*);
+
+    static_assert (std::is_same_v<Good, decltype(f(g1, g2))>);
+
+  }
+#endif // !defined(REALLY_CLANG)
+
+  namespace test_inline_variables
+  {
+
+    template<class T> void f(T)
+    {}
+
+    template<class T> inline T g(T)
+    {
+      return T{};
+    }
+
+    template<> inline void f<>(int)
+    {}
+
+    template<> int g<>(int)
+    {
+      return 5;
+    }
+
+  }
+
+}  // namespace cxx17
+
+#endif  // __cplusplus <= 201402L
+
+]])

From 4a27c17ea0234dfe33e62f5830d9f92c26d48d30 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 14:29:12 -0600
Subject: [PATCH 0545/1326] Fix IntType.cmp() to avoid narrowing down integer
 types

Fixes https://github.com/behdad/harfbuzz/issues/571
---
 src/hb-open-type-private.hh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index f25341a8a..f0ff2ff59 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -632,10 +632,11 @@ struct IntType
   inline bool operator == (const IntType<Type,Size> &o) const { return (Type) v == (Type) o.v; }
   inline bool operator != (const IntType<Type,Size> &o) const { return !(*this == o); }
   static inline int cmp (const IntType<Type,Size> *a, const IntType<Type,Size> *b) { return b->cmp (*a); }
-  inline int cmp (Type a) const
+  template <typename Type2>
+  inline int cmp (Type2 a) const
   {
     Type b = v;
-    if (sizeof (Type) < sizeof (int))
+    if (sizeof (Type) < sizeof (int) && sizeof (Type2) < sizeof (int))
       return (int) a - (int) b;
     else
       return a < b ? -1 : a == b ? 0 : +1;

From 7036f1d22c4001b79d3205c16aac3fefbfcaae24 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 14:42:59 -0600
Subject: [PATCH 0546/1326] [ot] Remove shaper name

In ten years we never used them...
---
 src/hb-ot-shape-complex-arabic.cc  | 1 -
 src/hb-ot-shape-complex-default.cc | 1 -
 src/hb-ot-shape-complex-hangul.cc  | 1 -
 src/hb-ot-shape-complex-hebrew.cc  | 1 -
 src/hb-ot-shape-complex-indic.cc   | 1 -
 src/hb-ot-shape-complex-myanmar.cc | 2 --
 src/hb-ot-shape-complex-private.hh | 2 --
 src/hb-ot-shape-complex-thai.cc    | 1 -
 src/hb-ot-shape-complex-tibetan.cc | 1 -
 src/hb-ot-shape-complex-use.cc     | 1 -
 10 files changed, 12 deletions(-)

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 4a92d4109..a303fc138 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -689,7 +689,6 @@ reorder_marks_arabic (const hb_ot_shape_plan_t *plan,
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
 {
-  "arabic",
   collect_features_arabic,
   nullptr, /* override_features */
   data_create_arabic,
diff --git a/src/hb-ot-shape-complex-default.cc b/src/hb-ot-shape-complex-default.cc
index 99b53a5a8..68a62a10d 100644
--- a/src/hb-ot-shape-complex-default.cc
+++ b/src/hb-ot-shape-complex-default.cc
@@ -29,7 +29,6 @@
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
 {
-  "default",
   nullptr, /* collect_features */
   nullptr, /* override_features */
   nullptr, /* data_create */
diff --git a/src/hb-ot-shape-complex-hangul.cc b/src/hb-ot-shape-complex-hangul.cc
index 0f3337ff0..7508c223c 100644
--- a/src/hb-ot-shape-complex-hangul.cc
+++ b/src/hb-ot-shape-complex-hangul.cc
@@ -414,7 +414,6 @@ setup_masks_hangul (const hb_ot_shape_plan_t *plan,
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
 {
-  "hangul",
   collect_features_hangul,
   override_features_hangul,
   data_create_hangul,
diff --git a/src/hb-ot-shape-complex-hebrew.cc b/src/hb-ot-shape-complex-hebrew.cc
index fccd76a45..ba78186a0 100644
--- a/src/hb-ot-shape-complex-hebrew.cc
+++ b/src/hb-ot-shape-complex-hebrew.cc
@@ -169,7 +169,6 @@ disable_otl_hebrew (const hb_ot_shape_plan_t *plan)
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
 {
-  "hebrew",
   nullptr, /* collect_features */
   nullptr, /* override_features */
   nullptr, /* data_create */
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 05a513692..1937380b8 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1843,7 +1843,6 @@ compose_indic (const hb_ot_shape_normalize_context_t *c,
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
 {
-  "indic",
   collect_features_indic,
   override_features_indic,
   data_create_indic,
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index f446fe625..5ea1dbff2 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -512,7 +512,6 @@ final_reordering (const hb_ot_shape_plan_t *plan,
  * generic shaper, except that it zeros mark advances GDEF_LATE. */
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_old =
 {
-  "default",
   nullptr, /* collect_features */
   nullptr, /* override_features */
   nullptr, /* data_create */
@@ -531,7 +530,6 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_old =
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
 {
-  "myanmar",
   collect_features_myanmar,
   override_features_myanmar,
   nullptr, /* data_create */
diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index 4951cb5f1..fb2f61157 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -65,8 +65,6 @@ enum hb_ot_shape_zero_width_marks_type_t {
 
 struct hb_ot_complex_shaper_t
 {
-  char name[8];
-
   /* collect_features()
    * Called during shape_plan().
    * Shapers should use plan->map to add their features and callbacks.
diff --git a/src/hb-ot-shape-complex-thai.cc b/src/hb-ot-shape-complex-thai.cc
index 58a0a41e3..6ba925c67 100644
--- a/src/hb-ot-shape-complex-thai.cc
+++ b/src/hb-ot-shape-complex-thai.cc
@@ -366,7 +366,6 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_thai =
 {
-  "thai",
   nullptr, /* collect_features */
   nullptr, /* override_features */
   nullptr, /* data_create */
diff --git a/src/hb-ot-shape-complex-tibetan.cc b/src/hb-ot-shape-complex-tibetan.cc
index e87f1a4e3..eaac0bf68 100644
--- a/src/hb-ot-shape-complex-tibetan.cc
+++ b/src/hb-ot-shape-complex-tibetan.cc
@@ -46,7 +46,6 @@ collect_features_tibetan (hb_ot_shape_planner_t *plan)
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_tibetan =
 {
-  "default",
   collect_features_tibetan,
   nullptr, /* override_features */
   nullptr, /* data_create */
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index a2cacac59..62acd697b 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -595,7 +595,6 @@ compose_use (const hb_ot_shape_normalize_context_t *c,
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use =
 {
-  "use",
   collect_features_use,
   nullptr, /* override_features */
   data_create_use,

From 3205de7906abab9d12e614e86e2c182a41420698 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 15:01:40 -0600
Subject: [PATCH 0547/1326] Make the NullPool HB_INTERNAL shared

Saves 2k of .bss section.
---
 src/hb-open-type-private.hh | 10 ++++++----
 src/hb-ot-layout.cc         |  3 +++
 src/main.cc                 |  1 +
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index f0ff2ff59..f1c90474a 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -130,14 +130,16 @@ static inline Type& StructAfter(TObject &X)
  */
 
 /* Global nul-content Null pool.  Enlarge as necessary. */
-/* TODO This really should be a extern HB_INTERNAL and defined somewhere... */
-static const void *_NullPool[(256+8) / sizeof (void *)];
+
+#define HB_NULL_POOL_SIZE 264
+static_assert (HB_NULL_POOL_SIZE % sizeof (void *) == 0, "Align HB_NULL_POOL_SIZE.");
+extern HB_INTERNAL const void *_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
 
 /* Generic nul-content Null objects. */
 template <typename Type>
 static inline const Type& Null (void) {
-  static_assert ((sizeof (Type) <= sizeof (_NullPool)), "");
-  return *CastP<Type> (_NullPool);
+  static_assert (sizeof (Type) <= HB_NULL_POOL_SIZE, "Increase HB_NULL_POOL_SIZE.");
+  return *CastP<Type> (_hb_NullPool);
 }
 
 /* Specializaiton for arbitrary-content arbitrary-sized Null objects. */
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 71e782686..4850f720d 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -39,6 +39,9 @@
 #include "hb-ot-map-private.hh"
 
 
+const void *OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
+
+
 hb_ot_layout_t *
 _hb_ot_layout_create (hb_face_t *face)
 {
diff --git a/src/main.cc b/src/main.cc
index 93c3b46af..eb1711ed6 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -38,6 +38,7 @@
 
 using namespace OT;
 
+const void *OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
 
 int
 main (int argc, char **argv)

From 51f4d4d5cd5a0dd1a581bee5b55b3cc0a74cbea3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 15:09:22 -0600
Subject: [PATCH 0548/1326] Reduce prealloced number of user-data items from 2
 to 1

Even 1 is too many but putting 0 breaks compile.  Saves 3k in .so
---
 src/hb-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index a6b3ab8ca..ab6511dc8 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -545,7 +545,7 @@ struct hb_auto_array_t : hb_prealloced_array_t <Type>
 template <typename item_t, typename lock_t>
 struct hb_lockable_set_t
 {
-  hb_prealloced_array_t <item_t, 2> items;
+  hb_prealloced_array_t <item_t, 1> items;
 
   inline void init (void) { items.init (); }
 

From af3f72f9eb7d7b80ea827976a3303390b5deae8d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 15:13:50 -0600
Subject: [PATCH 0549/1326] Correctly mark NullPool const

Saves some more code size as well!
---
 src/hb-open-type-private.hh | 2 +-
 src/hb-ot-layout.cc         | 2 +-
 src/main.cc                 | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index f1c90474a..a49071d29 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -133,7 +133,7 @@ static inline Type& StructAfter(TObject &X)
 
 #define HB_NULL_POOL_SIZE 264
 static_assert (HB_NULL_POOL_SIZE % sizeof (void *) == 0, "Align HB_NULL_POOL_SIZE.");
-extern HB_INTERNAL const void *_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
+extern HB_INTERNAL const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
 
 /* Generic nul-content Null objects. */
 template <typename Type>
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 4850f720d..df43c29e4 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -39,7 +39,7 @@
 #include "hb-ot-map-private.hh"
 
 
-const void *OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
+const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {};
 
 
 hb_ot_layout_t *
diff --git a/src/main.cc b/src/main.cc
index eb1711ed6..377d1396a 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -38,7 +38,7 @@
 
 using namespace OT;
 
-const void *OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
+const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {};
 
 int
 main (int argc, char **argv)

From 8864864b624590d95ae5dca61956695cbff1269a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 15:26:45 -0600
Subject: [PATCH 0550/1326] [glib/icu/ucdn] Make the funcs object allocated on
 demand

---
 src/hb-glib.cc | 36 ++++++++++++++++++++++++++++-------
 src/hb-icu.cc  | 51 ++++++++++++++++++++++++++++++++++++--------------
 src/hb-ucdn.cc | 37 ++++++++++++++++++++++++++++--------
 3 files changed, 95 insertions(+), 29 deletions(-)

diff --git a/src/hb-glib.cc b/src/hb-glib.cc
index 5b0a1eb32..c8863ea7b 100644
--- a/src/hb-glib.cc
+++ b/src/hb-glib.cc
@@ -364,22 +364,44 @@ hb_glib_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs HB_UNUSED,
   return utf8_decomposed_len;
 }
 
+static hb_unicode_funcs_t *static_glib_funcs = nullptr;
+
+#ifdef HB_USE_ATEXIT
+static
+void free_static_glib_funcs (void)
+{
+  hb_unicode_funcs_destroy (static_glib_funcs);
+}
+#endif
+
 hb_unicode_funcs_t *
 hb_glib_get_unicode_funcs (void)
 {
-  static const hb_unicode_funcs_t _hb_glib_unicode_funcs = {
-    HB_OBJECT_HEADER_STATIC,
+retry:
+  hb_unicode_funcs_t *funcs = (hb_unicode_funcs_t *) hb_atomic_ptr_get (&static_glib_funcs);
 
-    nullptr, /* parent */
-    true, /* immutable */
-    {
-#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_glib_unicode_##name,
+  if (unlikely (!funcs))
+  {
+    funcs = hb_unicode_funcs_create (nullptr);
+
+#define HB_UNICODE_FUNC_IMPLEMENT(name) \
+    hb_unicode_funcs_set_##name##_func (funcs, hb_glib_unicode_##name, nullptr, nullptr);
       HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_UNICODE_FUNC_IMPLEMENT
+
+    hb_unicode_funcs_make_immutable (funcs);
+
+    if (!hb_atomic_ptr_cmpexch (&static_glib_funcs, nullptr, funcs)) {
+      hb_unicode_funcs_destroy (funcs);
+      goto retry;
     }
+
+#ifdef HB_USE_ATEXIT
+    atexit (free_static_glib_funcs); /* First person registers atexit() callback. */
+#endif
   };
 
-  return const_cast<hb_unicode_funcs_t *> (&_hb_glib_unicode_funcs);
+  return funcs;
 }
 
 #if GLIB_CHECK_VERSION(2,31,10)
diff --git a/src/hb-icu.cc b/src/hb-icu.cc
index 01d15f48e..2550e438d 100644
--- a/src/hb-icu.cc
+++ b/src/hb-icu.cc
@@ -345,27 +345,50 @@ hb_icu_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs HB_UNUSED,
 }
 
 
+static hb_unicode_funcs_t *static_icu_funcs = nullptr;
+
+#ifdef HB_USE_ATEXIT
+static
+void free_static_icu_funcs (void)
+{
+  hb_unicode_funcs_destroy (static_icu_funcs);
+}
+#endif
+
 hb_unicode_funcs_t *
 hb_icu_get_unicode_funcs (void)
 {
-  static const hb_unicode_funcs_t _hb_icu_unicode_funcs = {
-    HB_OBJECT_HEADER_STATIC,
+retry:
+  hb_unicode_funcs_t *funcs = (hb_unicode_funcs_t *) hb_atomic_ptr_get (&static_icu_funcs);
 
-    nullptr, /* parent */
-    true, /* immutable */
-    {
-#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_icu_unicode_##name,
+  if (unlikely (!funcs))
+  {
+#if U_ICU_VERSION_MAJOR_NUM >= 49
+    if (!hb_atomic_ptr_get (&normalizer)) {
+      UErrorCode icu_err = U_ZERO_ERROR;
+      /* We ignore failure in getNFCInstace(). */
+      (void) hb_atomic_ptr_cmpexch (&normalizer, nullptr, unorm2_getNFCInstance (&icu_err));
+    }
+#endif
+
+    funcs = hb_unicode_funcs_create (nullptr);
+
+#define HB_UNICODE_FUNC_IMPLEMENT(name) \
+    hb_unicode_funcs_set_##name##_func (funcs, hb_icu_unicode_##name, nullptr, nullptr);
       HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_UNICODE_FUNC_IMPLEMENT
+
+    hb_unicode_funcs_make_immutable (funcs);
+
+    if (!hb_atomic_ptr_cmpexch (&static_icu_funcs, nullptr, funcs)) {
+      hb_unicode_funcs_destroy (funcs);
+      goto retry;
     }
+
+#ifdef HB_USE_ATEXIT
+    atexit (free_static_icu_funcs); /* First person registers atexit() callback. */
+#endif
   };
 
-#if U_ICU_VERSION_MAJOR_NUM >= 49
-  if (!hb_atomic_ptr_get (&normalizer)) {
-    UErrorCode icu_err = U_ZERO_ERROR;
-    /* We ignore failure in getNFCInstace(). */
-    (void) hb_atomic_ptr_cmpexch (&normalizer, nullptr, unorm2_getNFCInstance (&icu_err));
-  }
-#endif
-  return const_cast<hb_unicode_funcs_t *> (&_hb_icu_unicode_funcs);
+  return funcs;
 }
diff --git a/src/hb-ucdn.cc b/src/hb-ucdn.cc
index c237ee825..e51f03532 100644
--- a/src/hb-ucdn.cc
+++ b/src/hb-ucdn.cc
@@ -231,22 +231,43 @@ hb_ucdn_decompose_compatibility(hb_unicode_funcs_t *ufuncs HB_UNUSED,
     return ucdn_compat_decompose(u, decomposed);
 }
 
+static hb_unicode_funcs_t *static_ucdn_funcs = nullptr;
+
+#ifdef HB_USE_ATEXIT
+static
+void free_static_ucdn_funcs (void)
+{
+  hb_unicode_funcs_destroy (static_ucdn_funcs);
+}
+#endif
+
 extern "C" HB_INTERNAL
 hb_unicode_funcs_t *
 hb_ucdn_get_unicode_funcs (void)
 {
-  static const hb_unicode_funcs_t _hb_ucdn_unicode_funcs = {
-    HB_OBJECT_HEADER_STATIC,
+retry:
+  hb_unicode_funcs_t *funcs = (hb_unicode_funcs_t *) hb_atomic_ptr_get (&static_ucdn_funcs);
 
-    nullptr, /* parent */
-    true, /* immutable */
-    {
-#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_ucdn_##name,
+  if (unlikely (!funcs))
+  {
+    funcs = hb_unicode_funcs_create (nullptr);
+
+#define HB_UNICODE_FUNC_IMPLEMENT(name) \
+    hb_unicode_funcs_set_##name##_func (funcs, hb_ucdn_##name, nullptr, nullptr);
       HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_UNICODE_FUNC_IMPLEMENT
+
+    hb_unicode_funcs_make_immutable (funcs);
+
+    if (!hb_atomic_ptr_cmpexch (&static_ucdn_funcs, nullptr, funcs)) {
+      hb_unicode_funcs_destroy (funcs);
+      goto retry;
     }
+
+#ifdef HB_USE_ATEXIT
+    atexit (free_static_ucdn_funcs); /* First person registers atexit() callback. */
+#endif
   };
 
-  return const_cast<hb_unicode_funcs_t *> (&_hb_ucdn_unicode_funcs);
+  return funcs;
 }
-

From bfa7f37a73508ca185cf2f3e06755db8c8258ddf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 16:03:51 -0600
Subject: [PATCH 0551/1326] Fix previous commit

Oops.
---
 src/hb-glib.cc | 2 +-
 src/hb-icu.cc  | 2 +-
 src/hb-ucdn.cc | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-glib.cc b/src/hb-glib.cc
index c8863ea7b..50c30e9c7 100644
--- a/src/hb-glib.cc
+++ b/src/hb-glib.cc
@@ -401,7 +401,7 @@ retry:
 #endif
   };
 
-  return funcs;
+  return hb_unicode_funcs_reference (funcs);
 }
 
 #if GLIB_CHECK_VERSION(2,31,10)
diff --git a/src/hb-icu.cc b/src/hb-icu.cc
index 2550e438d..552eaeca5 100644
--- a/src/hb-icu.cc
+++ b/src/hb-icu.cc
@@ -390,5 +390,5 @@ retry:
 #endif
   };
 
-  return funcs;
+  return hb_unicode_funcs_reference (funcs);
 }
diff --git a/src/hb-ucdn.cc b/src/hb-ucdn.cc
index e51f03532..9515bda25 100644
--- a/src/hb-ucdn.cc
+++ b/src/hb-ucdn.cc
@@ -269,5 +269,5 @@ retry:
 #endif
   };
 
-  return funcs;
+  return hb_unicode_funcs_reference (funcs);
 }

From 5daf3bd4494cce6b4fb074533be9e99c4d9e0edd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 27 Oct 2017 16:34:01 -0600
Subject: [PATCH 0552/1326] [glib/ucdn/icu/ft/ot] Make returned funcs inert

Such that client cannot accidentally destroy them, even though that
will be a bug in their code...
---
 src/hb-ft.cc             |  3 +++
 src/hb-glib.cc           |  3 +++
 src/hb-icu.cc            |  3 +++
 src/hb-object-private.hh | 35 ++++++++++++++++++++++++++++++-----
 src/hb-ot-font.cc        |  3 +++
 src/hb-ucdn.cc           |  3 +++
 6 files changed, 45 insertions(+), 5 deletions(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index f578e9dc4..13f32142d 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -428,6 +428,7 @@ static hb_font_funcs_t *static_ft_funcs = nullptr;
 static
 void free_static_ft_funcs (void)
 {
+  hb_object_undo_inert (static_ft_funcs);
   hb_font_funcs_destroy (static_ft_funcs);
 }
 #endif
@@ -458,8 +459,10 @@ retry:
     hb_font_funcs_set_glyph_from_name_func (funcs, hb_ft_get_glyph_from_name, nullptr, nullptr);
 
     hb_font_funcs_make_immutable (funcs);
+    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_ft_funcs, nullptr, funcs)) {
+      hb_object_undo_inert (funcs);
       hb_font_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-glib.cc b/src/hb-glib.cc
index 50c30e9c7..31de68e86 100644
--- a/src/hb-glib.cc
+++ b/src/hb-glib.cc
@@ -370,6 +370,7 @@ static hb_unicode_funcs_t *static_glib_funcs = nullptr;
 static
 void free_static_glib_funcs (void)
 {
+  hb_object_undo_inert (static_glib_funcs);
   hb_unicode_funcs_destroy (static_glib_funcs);
 }
 #endif
@@ -390,8 +391,10 @@ retry:
 #undef HB_UNICODE_FUNC_IMPLEMENT
 
     hb_unicode_funcs_make_immutable (funcs);
+    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_glib_funcs, nullptr, funcs)) {
+      hb_object_undo_inert (funcs);
       hb_unicode_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-icu.cc b/src/hb-icu.cc
index 552eaeca5..44a198937 100644
--- a/src/hb-icu.cc
+++ b/src/hb-icu.cc
@@ -351,6 +351,7 @@ static hb_unicode_funcs_t *static_icu_funcs = nullptr;
 static
 void free_static_icu_funcs (void)
 {
+  hb_object_undo_inert (static_icu_funcs);
   hb_unicode_funcs_destroy (static_icu_funcs);
 }
 #endif
@@ -379,8 +380,10 @@ retry:
 #undef HB_UNICODE_FUNC_IMPLEMENT
 
     hb_unicode_funcs_make_immutable (funcs);
+    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_icu_funcs, nullptr, funcs)) {
+      hb_object_undo_inert (funcs);
       hb_unicode_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-object-private.hh b/src/hb-object-private.hh
index d678ae369..99fe646bd 100644
--- a/src/hb-object-private.hh
+++ b/src/hb-object-private.hh
@@ -47,9 +47,10 @@
 
 /* reference_count */
 
-#define HB_REFERENCE_COUNT_INERT_VALUE -1
-#define HB_REFERENCE_COUNT_POISON_VALUE -0x0000DEAD
-#define HB_REFERENCE_COUNT_INIT {HB_ATOMIC_INT_INIT(HB_REFERENCE_COUNT_INERT_VALUE)}
+#define HB_REFERENCE_COUNT_UNCHANGABLE_VALUE	-0x53043
+#define HB_REFERENCE_COUNT_UNREFFABLE_VALUE	-0x07734
+#define HB_REFERENCE_COUNT_UNTOUCHABLE_VALUE	-0xBEDAD
+#define HB_REFERENCE_COUNT_INIT {HB_ATOMIC_INT_INIT (HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)}
 
 struct hb_reference_count_t
 {
@@ -59,9 +60,23 @@ struct hb_reference_count_t
   inline int get_unsafe (void) const { return ref_count.get_unsafe (); }
   inline int inc (void) { return ref_count.inc (); }
   inline int dec (void) { return ref_count.dec (); }
-  inline void finish (void) { ref_count.set_unsafe (HB_REFERENCE_COUNT_POISON_VALUE); }
+  inline void finish (void) { ref_count.set_unsafe (HB_REFERENCE_COUNT_UNTOUCHABLE_VALUE); }
 
-  inline bool is_inert (void) const { return ref_count.get_unsafe () == HB_REFERENCE_COUNT_INERT_VALUE; }
+  inline void make_inert (void)
+  {
+    if (get_unsafe () == HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)
+      return;
+    ref_count.set_unsafe (HB_REFERENCE_COUNT_UNREFFABLE_VALUE);
+  }
+  inline void undo_inert (void)
+  {
+    if (get_unsafe () == HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)
+      return;
+    assert (get_unsafe () == HB_REFERENCE_COUNT_UNREFFABLE_VALUE);
+    ref_count.set_unsafe (1);
+  }
+
+  inline bool is_inert (void) const { return ref_count.get_unsafe () < 0; }
   inline bool is_valid (void) const { return ref_count.get_unsafe () > 0; }
 };
 
@@ -152,6 +167,16 @@ static inline bool hb_object_is_valid (const Type *obj)
   return likely (obj->header.ref_count.is_valid ());
 }
 template <typename Type>
+static inline void hb_object_make_inert (Type *obj)
+{
+  obj->header.ref_count.make_inert ();
+}
+template <typename Type>
+static inline void hb_object_undo_inert (Type *obj)
+{
+  obj->header.ref_count.undo_inert ();
+}
+template <typename Type>
 static inline Type *hb_object_reference (Type *obj)
 {
   hb_object_trace (obj, HB_FUNC);
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index c0ce89df3..10c1cb2c7 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -628,6 +628,7 @@ static hb_font_funcs_t *static_ot_funcs = nullptr;
 static
 void free_static_ot_funcs (void)
 {
+  hb_object_undo_inert (static_ot_funcs);
   hb_font_funcs_destroy (static_ot_funcs);
 }
 #endif
@@ -658,8 +659,10 @@ retry:
     hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr);
 
     hb_font_funcs_make_immutable (funcs);
+    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_ot_funcs, nullptr, funcs)) {
+      hb_object_undo_inert (funcs);
       hb_font_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-ucdn.cc b/src/hb-ucdn.cc
index 9515bda25..99266724f 100644
--- a/src/hb-ucdn.cc
+++ b/src/hb-ucdn.cc
@@ -237,6 +237,7 @@ static hb_unicode_funcs_t *static_ucdn_funcs = nullptr;
 static
 void free_static_ucdn_funcs (void)
 {
+  hb_object_undo_inert (static_ucdn_funcs);
   hb_unicode_funcs_destroy (static_ucdn_funcs);
 }
 #endif
@@ -258,8 +259,10 @@ retry:
 #undef HB_UNICODE_FUNC_IMPLEMENT
 
     hb_unicode_funcs_make_immutable (funcs);
+    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_ucdn_funcs, nullptr, funcs)) {
+      hb_object_undo_inert (funcs);
       hb_unicode_funcs_destroy (funcs);
       goto retry;
     }

From 5014c60afaab51a7a4813cf427a3d6053458279b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 28 Oct 2017 12:00:49 -0600
Subject: [PATCH 0553/1326] More nullptr fix

Fixes https://github.com/behdad/harfbuzz/issues/585
---
 src/test.cc | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/test.cc b/src/test.cc
index 2c24fdac8..9592b379e 100644
--- a/src/test.cc
+++ b/src/test.cc
@@ -24,9 +24,7 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "hb-private.hh"
 
 #include "hb.h"
 

From feadee079e09e43e5f712a66816605e19155594e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 28 Oct 2017 16:58:56 -0600
Subject: [PATCH 0554/1326] [post] Refactor a bit, use our data types

---
 src/hb-ot-post-table.hh | 25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 6e4a23afd..0b3b806b1 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -52,13 +52,10 @@ struct postV2Tail
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (numberOfGlyphs.sanitize (c) &&
-		  c->check_array (glyphNameIndex, sizeof (USHORT), numberOfGlyphs));
+    return_trace (glyphNameIndex.sanitize (c));
   }
 
-  USHORT	numberOfGlyphs;		/* Number of glyphs (this should be the
-					 * same as numGlyphs in 'maxp' table). */
-  USHORT	glyphNameIndex[VAR];	/* This is not an offset, but is the
+  ArrayOf<USHORT>glyphNameIndex;	/* This is not an offset, but is the
 					 * ordinal number of the glyph in 'post'
 					 * string tables. */
   BYTE		namesX[VAR];		/* Glyph names with length bytes [variable]
@@ -104,7 +101,7 @@ struct post
     {
       const postV2Tail &v2 = StructAfter<postV2Tail> (*this);
 
-      if (glyph >= v2.numberOfGlyphs)
+      if (glyph >= v2.glyphNameIndex.len)
 	return false;
 
       if (!buffer_length)
@@ -121,9 +118,8 @@ struct post
       }
       index -= NUM_FORMAT1_NAMES;
 
-      unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs;
-      unsigned char *data = (unsigned char *) this + offset;
-      unsigned char *end = (unsigned char *) this + blob_len;
+      const uint8_t *data = &StructAfter<uint8_t> (v2.glyphNameIndex);
+      const uint8_t *end = (uint8_t *) this + blob_len;
       for (unsigned int i = 0; data < end; i++)
       {
 	unsigned int name_length = data[0];
@@ -172,13 +168,12 @@ struct post
     if (version.to_int () == 0x00020000)
     {
       const postV2Tail &v2 = StructAfter<postV2Tail> (*this);
-      unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs;
-      char* data = (char*) this + offset;
+      const uint8_t *data = &StructAfter<uint8_t> (v2.glyphNameIndex);
 
 
       /* XXX The following code is wrong. */
       return false;
-      for (hb_codepoint_t gid = 0; gid < v2.numberOfGlyphs; gid++)
+      for (hb_codepoint_t gid = 0; gid < v2.glyphNameIndex.len; gid++)
       {
 	unsigned int index = v2.glyphNameIndex[gid];
 	if (index < NUM_FORMAT1_NAMES)
@@ -192,12 +187,12 @@ struct post
 	}
 	index -= NUM_FORMAT1_NAMES;
 
-	for (unsigned int i = 0; data < (char*) this + blob_len; i++)
+	for (unsigned int i = 0; data < (uint8_t *) this + blob_len; i++)
 	{
 	  unsigned int name_length = data[0];
-	  unsigned int remaining = (char*) this + blob_len - data - 1;
+	  unsigned int remaining = CastP<uint8_t> (this) + blob_len - data - 1;
 	  name_length = MIN (name_length, remaining);
-	  if (name_length == (unsigned int) len && strncmp (name, data + 1, len) == 0)
+	  if (name_length == (unsigned int) len && strncmp (name, (const char *) data + 1, len) == 0)
 	  {
 	    *glyph = gid;
 	    return true;

From 5de83fab947e23cc729d69f8d44a28311298af9d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 28 Oct 2017 19:54:04 -0600
Subject: [PATCH 0555/1326] [ot] Speed up get_glyph_name()

get_glyph_from_name() coming soon.
---
 src/hb-ot-font.cc            |  13 ++-
 src/hb-ot-post-table.hh      | 166 ++++++++++++++++-------------------
 src/test-buffer-serialize.cc |   4 +-
 3 files changed, 84 insertions(+), 99 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 10c1cb2c7..5759a30d3 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -304,25 +304,24 @@ struct hb_ot_face_cbdt_accelerator_t
 struct hb_ot_face_post_accelerator_t
 {
   hb_blob_t *post_blob;
-  unsigned int post_len;
-  const OT::post *post;
+  OT::post::accelerator_t accel;
 
   inline void init (hb_face_t *face)
   {
-    this->post_blob = OT::Sanitizer<OT::post>::sanitize (face->reference_table (HB_OT_TAG_post));
-    this->post = OT::Sanitizer<OT::post>::lock_instance (this->post_blob);
-    this->post_len = hb_blob_get_length (this->post_blob);
+    hb_blob_t *blob = this->post_blob = OT::Sanitizer<OT::post>::sanitize (face->reference_table (HB_OT_TAG_post));
+    accel.init (OT::Sanitizer<OT::post>::lock_instance (blob), hb_blob_get_length (blob));
   }
 
   inline void fini (void)
   {
+    accel.fini ();
     hb_blob_destroy (this->post_blob);
   }
 
   inline bool get_glyph_name (hb_codepoint_t glyph,
 			      char *name, unsigned int size) const
   {
-    return this->post->get_glyph_name (glyph, name, size, this->post_len);
+    return this->accel.get_glyph_name (glyph, name, size);
   }
 
   inline bool get_glyph_from_name (const char *name, int len,
@@ -331,7 +330,7 @@ struct hb_ot_face_post_accelerator_t
     if (unlikely (!len))
       return false;
 
-    return this->post->get_glyph_from_name (name, len, glyph, this->post_len);
+    return this->accel.get_glyph_from_name (name, len, glyph);
   }
 };
 
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 0b3b806b1..472e5f7a7 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -81,132 +81,116 @@ struct post
     return_trace (true);
   }
 
-  inline bool get_glyph_name (hb_codepoint_t glyph,
-			      char *buffer, unsigned int buffer_length,
-			      unsigned int blob_len) const
+  struct accelerator_t
   {
-    if (version.to_int () == 0x00010000)
+    inline void init (const post *table, unsigned int post_len)
     {
-      if (glyph >= NUM_FORMAT1_NAMES)
-	return false;
+      version = table->version.to_int ();
+      index_to_offset.init ();
+      if (version != 0x00020000)
+        return;
 
-      if (!buffer_length)
-	return true;
-      strncpy (buffer, format1_names (glyph), buffer_length);
-      buffer[buffer_length - 1] = '\0';
-      return true;
+      const postV2Tail &v2 = StructAfter<postV2Tail> (*table);
+
+      glyphNameIndex = &v2.glyphNameIndex;
+      pool = &StructAfter<uint8_t> (v2.glyphNameIndex);
+
+      const uint8_t *end = (uint8_t *) table + post_len;
+      for (const uint8_t *data = pool; data < end && data + *data <= end; data += *data)
+      {
+	uint32_t *offset = index_to_offset.push ();
+	if (unlikely (!offset))
+	  break;
+	*offset = data - pool;
+      }
+    }
+    inline void fini (void)
+    {
+      index_to_offset.finish ();
     }
 
-    if (version.to_int () == 0x00020000)
+    inline bool get_glyph_name (hb_codepoint_t glyph,
+				char *buf, unsigned int buf_len) const
     {
-      const postV2Tail &v2 = StructAfter<postV2Tail> (*this);
+      if (version == 0x00010000)
+      {
+	if (glyph >= NUM_FORMAT1_NAMES)
+	  return false;
 
-      if (glyph >= v2.glyphNameIndex.len)
+	if (!buf_len)
+	  return true;
+	strncpy (buf, format1_names (glyph), buf_len);
+	buf[buf_len - 1] = '\0';
+	return true;
+      }
+
+      if (version != 0x00020000)
+        return false;
+
+      if (glyph >= glyphNameIndex->len)
 	return false;
 
-      if (!buffer_length)
+      if (!buf_len)
 	return true;
 
-      unsigned int index = v2.glyphNameIndex[glyph];
+      unsigned int index = glyphNameIndex->array[glyph];
       if (index < NUM_FORMAT1_NAMES)
       {
-	if (!buffer_length)
+	if (!buf_len)
 	  return true;
-	strncpy (buffer, format1_names (index), buffer_length);
-	buffer[buffer_length - 1] = '\0';
+	strncpy (buf, format1_names (index), buf_len);
+	buf[buf_len - 1] = '\0';
 	return true;
       }
       index -= NUM_FORMAT1_NAMES;
 
-      const uint8_t *data = &StructAfter<uint8_t> (v2.glyphNameIndex);
-      const uint8_t *end = (uint8_t *) this + blob_len;
-      for (unsigned int i = 0; data < end; i++)
-      {
-	unsigned int name_length = data[0];
-	data++;
-	if (i == index)
-	{
-	  if (unlikely (!name_length))
-	    return false;
+      if (index >= index_to_offset.len)
+        return false;
+      unsigned int offset = index_to_offset[index];
 
-	  unsigned int remaining = end - data;
-	  name_length = MIN (name_length, buffer_length - 1);
-	  name_length = MIN (name_length, remaining);
-	  memcpy (buffer, data, name_length);
-	  buffer[name_length] = '\0';
-	  return true;
-	}
-	data += name_length;
-      }
 
-      return false;
+      const uint8_t *data = pool + offset;
+      unsigned int name_length = *data;
+      data++;
+
+      if (unlikely (!name_length || buf_len <= name_length))
+	return false;
+      memcpy (buf, data, name_length);
+      buf[name_length] = '\0';
+      return true;
     }
 
-    return false;
-  }
-
-  inline bool get_glyph_from_name (const char *name, int len,
-				   hb_codepoint_t *glyph,
-				   unsigned int blob_len) const
-  {
-    if (len < 0)
-      len = strlen (name);
-
-    if (version.to_int () == 0x00010000)
+    inline bool get_glyph_from_name (const char *name, int len,
+				     hb_codepoint_t *glyph) const
     {
-      for (int i = 0; i < NUM_FORMAT1_NAMES; i++)
+      if (len < 0)
+	len = strlen (name);
+
+      if (unlikely (!len))
+        return false;
+
+      if (version == 0x00010000)
       {
-	if (strncmp (name, format1_names (i), len) == 0 && format1_names (i)[len] == '\0')
+	for (int i = 0; i < NUM_FORMAT1_NAMES; i++)
 	{
-	  *glyph = i;
-	  return true;
-	}
-      }
-      return false;
-    }
-
-    if (version.to_int () == 0x00020000)
-    {
-      const postV2Tail &v2 = StructAfter<postV2Tail> (*this);
-      const uint8_t *data = &StructAfter<uint8_t> (v2.glyphNameIndex);
-
-
-      /* XXX The following code is wrong. */
-      return false;
-      for (hb_codepoint_t gid = 0; gid < v2.glyphNameIndex.len; gid++)
-      {
-	unsigned int index = v2.glyphNameIndex[gid];
-	if (index < NUM_FORMAT1_NAMES)
-	{
-	  if (strncmp (name, format1_names (index), len) == 0 && format1_names (index)[len] == '\0')
+	  if (strncmp (name, format1_names (i), len) == 0 && format1_names (i)[len] == '\0')
 	  {
-	    *glyph = gid;
+	    *glyph = i;
 	    return true;
 	  }
-	  continue;
-	}
-	index -= NUM_FORMAT1_NAMES;
-
-	for (unsigned int i = 0; data < (uint8_t *) this + blob_len; i++)
-	{
-	  unsigned int name_length = data[0];
-	  unsigned int remaining = CastP<uint8_t> (this) + blob_len - data - 1;
-	  name_length = MIN (name_length, remaining);
-	  if (name_length == (unsigned int) len && strncmp (name, (const char *) data + 1, len) == 0)
-	  {
-	    *glyph = gid;
-	    return true;
-	  }
-	  data += name_length + 1;
 	}
 	return false;
       }
 
+      /* TODO format2 */
       return false;
     }
 
-    return false;
-  }
+    uint32_t version;
+    const ArrayOf<USHORT> *glyphNameIndex;
+    hb_prealloced_array_t<uint32_t, 1> index_to_offset;
+    const uint8_t *pool;
+  };
 
   public:
   FixedVersion<>version;		/* 0x00010000 for version 1.0
diff --git a/src/test-buffer-serialize.cc b/src/test-buffer-serialize.cc
index 74de9a0e7..4b429eab3 100644
--- a/src/test-buffer-serialize.cc
+++ b/src/test-buffer-serialize.cc
@@ -27,6 +27,7 @@
 #include "hb-private.hh"
 
 #include "hb.h"
+#include "hb-ot.h"
 #ifdef HAVE_FREETYPE
 #include "hb-ft.h"
 #endif
@@ -90,8 +91,9 @@ main (int argc, char **argv)
   hb_font_t *font = hb_font_create (face);
   hb_face_destroy (face);
   hb_font_set_scale (font, upem, upem);
+  hb_ot_font_set_funcs (font);
 #ifdef HAVE_FREETYPE
-  hb_ft_font_set_funcs (font);
+  //hb_ft_font_set_funcs (font);
 #endif
 
   hb_buffer_t *buf;

From b98c7c3f1fc8581ce9a0f40ae25aee5e1b2b3106 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 29 Oct 2017 14:52:52 -0600
Subject: [PATCH 0556/1326] [post] Minor

---
 src/hb-ot-post-table.hh | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 472e5f7a7..4213093b9 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -130,9 +130,6 @@ struct post
       if (glyph >= glyphNameIndex->len)
 	return false;
 
-      if (!buf_len)
-	return true;
-
       unsigned int index = glyphNameIndex->array[glyph];
       if (index < NUM_FORMAT1_NAMES)
       {
@@ -146,8 +143,7 @@ struct post
 
       if (index >= index_to_offset.len)
         return false;
-      unsigned int offset = index_to_offset[index];
-
+      unsigned int offset = index_to_offset.array[index];
 
       const uint8_t *data = pool + offset;
       unsigned int name_length = *data;

From 923a8f520addba095384b975ba8934e5a18fb696 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 29 Oct 2017 15:00:54 -0600
Subject: [PATCH 0557/1326] Fix up 5de83fab947e23cc729d69f8d44a28311298af9d

---
 src/hb-ot-post-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 4213093b9..273a6d027 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -96,7 +96,7 @@ struct post
       pool = &StructAfter<uint8_t> (v2.glyphNameIndex);
 
       const uint8_t *end = (uint8_t *) table + post_len;
-      for (const uint8_t *data = pool; data < end && data + *data <= end; data += *data)
+      for (const uint8_t *data = pool; data < end && data + *data <= end; data += 1 + *data)
       {
 	uint32_t *offset = index_to_offset.push ();
 	if (unlikely (!offset))

From 538da7496d70c86b41070ecf52592e52920d8808 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 29 Oct 2017 16:38:58 -0600
Subject: [PATCH 0558/1326] Add hb-sort-r, a portable qsort_r() replacement

---
 src/Makefile.sources |   1 +
 src/hb-sort-r.hh     | 227 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 228 insertions(+)
 create mode 100644 src/hb-sort-r.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index d162ebef2..578752131 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -40,6 +40,7 @@ HB_BASE_sources = \
 	hb-shaper-impl-private.hh \
 	hb-shaper-private.hh \
 	hb-shaper.cc \
+	hb-sort-r.hh \
 	hb-string-array.hh \
 	hb-unicode-private.hh \
 	hb-unicode.cc \
diff --git a/src/hb-sort-r.hh b/src/hb-sort-r.hh
new file mode 100644
index 000000000..1b91b4da6
--- /dev/null
+++ b/src/hb-sort-r.hh
@@ -0,0 +1,227 @@
+/* Isaac Turner 29 April 2014 Public Domain */
+#ifndef HB_SORT_R_HH
+#define HB_SORT_R_HH
+
+#include <hb-private.hh>
+
+/* From https://github.com/noporpoise/sort_r */
+/*
+
+hb_sort_r function to be exported.
+
+Parameters:
+  base is the array to be sorted
+  nel is the number of elements in the array
+  width is the size in bytes of each element of the array
+  compar is the comparison function
+  arg is a pointer to be passed to the comparison function
+
+void hb_sort_r(void *base, size_t nel, size_t width,
+               int (*compar)(const void *_a, const void *_b, void *_arg),
+               void *arg);
+
+*/
+
+#define _SORT_R_INLINE inline
+
+#if (defined __APPLE__ || defined __MACH__ || defined __DARWIN__ || \
+     defined __FreeBSD__ || defined __DragonFly__)
+#  define _SORT_R_BSD
+#elif (defined _GNU_SOURCE || defined __gnu_hurd__ || defined __GNU__ || \
+       defined __linux__ || defined __MINGW32__ || defined __GLIBC__)
+#  define _SORT_R_LINUX
+#elif (defined _WIN32 || defined _WIN64 || defined __WINDOWS__)
+#  define _SORT_R_WINDOWS
+#  undef _SORT_R_INLINE
+#  define _SORT_R_INLINE __inline
+#else
+  /* Using our own recursive quicksort sort_r_simple() */
+#endif
+
+#if (defined NESTED_QSORT && NESTED_QSORT == 0)
+#  undef NESTED_QSORT
+#endif
+
+/* swap a, b iff a>b */
+/* __restrict is same as restrict but better support on old machines */
+static _SORT_R_INLINE int sort_r_cmpswap(char *__restrict a, char *__restrict b, size_t w,
+                                         int (*compar)(const void *_a, const void *_b,
+                                                       void *_arg),
+                                         void *arg)
+{
+  char tmp, *end = a+w;
+  if(compar(a, b, arg) > 0) {
+    for(; a < end; a++, b++) { tmp = *a; *a = *b; *b = tmp; }
+    return 1;
+  }
+  return 0;
+}
+
+/* Implement recursive quicksort ourselves */
+/* Note: quicksort is not stable, equivalent values may be swapped */
+static _SORT_R_INLINE void sort_r_simple(void *base, size_t nel, size_t w,
+                                         int (*compar)(const void *_a, const void *_b,
+                                                       void *_arg),
+                                         void *arg)
+{
+  char *b = (char *)base, *end = b + nel*w;
+  if(nel < 7) {
+    /* Insertion sort for arbitrarily small inputs */
+    char *pi, *pj;
+    for(pi = b+w; pi < end; pi += w) {
+      for(pj = pi; pj > b && sort_r_cmpswap(pj-w,pj,w,compar,arg); pj -= w) {}
+    }
+  }
+  else
+  {
+    /* nel > 6; Quicksort */
+
+    /* Use median of first, middle and last items as pivot */
+    char *x, *y, *xend, ch;
+    char *pl, *pr;
+    char *last = b+w*(nel-1), *tmp;
+    char *l[3];
+    l[0] = b;
+    l[1] = b+w*(nel/2);
+    l[2] = last;
+
+    if(compar(l[0],l[1],arg) > 0) { tmp=l[0]; l[0]=l[1]; l[1]=tmp; }
+    if(compar(l[1],l[2],arg) > 0) {
+      tmp=l[1]; l[1]=l[2]; l[2]=tmp; /* swap(l[1],l[2]) */
+      if(compar(l[0],l[1],arg) > 0) { tmp=l[0]; l[0]=l[1]; l[1]=tmp; }
+    }
+
+    /* swap l[id], l[2] to put pivot as last element */
+    for(x = l[1], y = last, xend = x+w; x<xend; x++, y++) {
+      ch = *x; *x = *y; *y = ch;
+    }
+
+    pl = b;
+    pr = last;
+
+    while(pl < pr) {
+      for(; pl < pr; pl += w) {
+        if(sort_r_cmpswap(pl, pr, w, compar, arg)) {
+          pr -= w; /* pivot now at pl */
+          break;
+        }
+      }
+      for(; pl < pr; pr -= w) {
+        if(sort_r_cmpswap(pl, pr, w, compar, arg)) {
+          pl += w; /* pivot now at pr */
+          break;
+        }
+      }
+    }
+
+    sort_r_simple(b, (pl-b)/w, w, compar, arg);
+    sort_r_simple(pl+w, (end-(pl+w))/w, w, compar, arg);
+  }
+}
+
+
+#if defined NESTED_QSORT
+
+  static _SORT_R_INLINE void hb_sort_r(void *base, size_t nel, size_t width,
+                                       int (*compar)(const void *_a, const void *_b,
+                                                     void *aarg),
+                                       void *arg)
+  {
+    int nested_cmp(const void *a, const void *b)
+    {
+      return compar(a, b, arg);
+    }
+
+    qsort(base, nel, width, nested_cmp);
+  }
+
+#else /* !NESTED_QSORT */
+
+  /* Declare structs and functions */
+
+  #if defined _SORT_R_BSD
+
+    /* Ensure qsort_r is defined */
+    extern void qsort_r(void *base, size_t nel, size_t width, void *thunk,
+                        int (*compar)(void *_thunk, const void *_a, const void *_b));
+
+  #endif
+
+  #if defined _SORT_R_BSD || defined _SORT_R_WINDOWS
+
+    /* BSD (qsort_r), Windows (qsort_s) require argument swap */
+
+    struct sort_r_data
+    {
+      void *arg;
+      int (*compar)(const void *_a, const void *_b, void *_arg);
+    };
+
+    static _SORT_R_INLINE int sort_r_arg_swap(void *s, const void *a, const void *b)
+    {
+      struct sort_r_data *ss = (struct sort_r_data*)s;
+      return (ss->compar)(a, b, ss->arg);
+    }
+
+  #endif
+
+  #if defined _SORT_R_LINUX
+
+#if 0 /* BE: To avoid redeclaration warning. */
+    typedef int(* __compar_d_fn_t)(const void *, const void *, void *);
+    extern void qsort_r(void *base, size_t nel, size_t width,
+                        __compar_d_fn_t __compar, void *arg)
+      __attribute__((nonnull (1, 4)));
+#endif
+
+  #endif
+
+  /* implementation */
+
+  static _SORT_R_INLINE void hb_sort_r(void *base, size_t nel, size_t width,
+                                       int (*compar)(const void *_a, const void *_b, void *_arg),
+                                       void *arg)
+  {
+    #if defined _SORT_R_LINUX
+
+      #if defined __GLIBC__ && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8))
+
+        /* no qsort_r in glibc before 2.8, need to use nested qsort */
+        sort_r_simple(base, nel, width, compar, arg);
+
+      #else
+
+        qsort_r(base, nel, width, compar, arg);
+
+      #endif
+
+    #elif defined _SORT_R_BSD
+
+      struct sort_r_data tmp;
+      tmp.arg = arg;
+      tmp.compar = compar;
+      qsort_r(base, nel, width, &tmp, sort_r_arg_swap);
+
+    #elif defined _SORT_R_WINDOWS
+
+      struct sort_r_data tmp;
+      tmp.arg = arg;
+      tmp.compar = compar;
+      qsort_s(base, nel, width, sort_r_arg_swap, &tmp);
+
+    #else
+
+      /* Fall back to our own quicksort implementation */
+      sort_r_simple(base, nel, width, compar, arg);
+
+    #endif
+  }
+
+#endif /* !NESTED_QSORT */
+
+#undef _SORT_R_INLINE
+#undef _SORT_R_WINDOWS
+#undef _SORT_R_LINUX
+#undef _SORT_R_BSD
+
+#endif /* HB_SORT_R_HH */

From 0712e915b4814e350aa1d833c1dee5010cdbd8f9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 29 Oct 2017 17:01:47 -0600
Subject: [PATCH 0559/1326] Remove hb_compare_func_t

---
 src/hb-ot-map-private.hh    | 18 +++++++++++++-----
 src/hb-ot-name-table.hh     |  2 +-
 src/hb-ot-tag.cc            |  8 +++++---
 src/hb-ot-var-mvar-table.hh | 10 +++++++---
 src/hb-private.hh           |  9 ++-------
 5 files changed, 28 insertions(+), 19 deletions(-)

diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index 105909a1f..97b92cc9a 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -63,8 +63,12 @@ struct hb_ot_map_t
     unsigned short auto_zwj : 1;
     hb_mask_t mask;
 
-    static int cmp (const lookup_map_t *a, const lookup_map_t *b)
-    { return a->index < b->index ? -1 : a->index > b->index ? 1 : 0; }
+    static int cmp (const void *pa, const void *pb)
+    {
+      const lookup_map_t *a = (const lookup_map_t *) pa;
+      const lookup_map_t *b = (const lookup_map_t *) pb;
+      return a->index < b->index ? -1 : a->index > b->index ? 1 : 0;
+    }
   };
 
   typedef void (*pause_func_t) (const struct hb_ot_shape_plan_t *plan, hb_font_t *font, hb_buffer_t *buffer);
@@ -210,9 +214,13 @@ struct hb_ot_map_builder_t
     unsigned int default_value; /* for non-global features, what should the unset glyphs take */
     unsigned int stage[2]; /* GSUB/GPOS */
 
-    static int cmp (const feature_info_t *a, const feature_info_t *b)
-    { return (a->tag != b->tag) ?  (a->tag < b->tag ? -1 : 1) :
-	     (a->seq < b->seq ? -1 : a->seq > b->seq ? 1 : 0); }
+    static int cmp (const void *pa, const void *pb)
+    {
+      const feature_info_t *a = (const feature_info_t *) pa;
+      const feature_info_t *b = (const feature_info_t *) pb;
+      return (a->tag != b->tag) ?  (a->tag < b->tag ? -1 : 1) :
+	     (a->seq < b->seq ? -1 : a->seq > b->seq ? 1 : 0);
+    }
   };
 
   struct stage_info_t {
diff --git a/src/hb-ot-name-table.hh b/src/hb-ot-name-table.hh
index 870f12332..731a0dbbb 100644
--- a/src/hb-ot-name-table.hh
+++ b/src/hb-ot-name-table.hh
@@ -89,7 +89,7 @@ struct name
     key.encodingID.set (encoding_id);
     key.languageID.set (language_id);
     key.nameID.set (name_id);
-    NameRecord *match = (NameRecord *) bsearch (&key, nameRecord, count, sizeof (nameRecord[0]), (hb_compare_func_t) NameRecord::cmp);
+    NameRecord *match = (NameRecord *) bsearch (&key, nameRecord, count, sizeof (nameRecord[0]), NameRecord::cmp);
 
     if (!match)
       return 0;
diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 64c6ce0a4..dbec68c74 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -879,9 +879,11 @@ static const LangTagLong ot_languages_zh[] = {
 };
 
 static int
-lang_compare_first_component (const char *a,
-			      const char *b)
+lang_compare_first_component (const void *pa,
+			      const void *pb)
 {
+  const char *a = (const char *) pa;
+  const char *b = (const char *) pb;
   unsigned int da, db;
   const char *p;
 
@@ -972,7 +974,7 @@ hb_ot_tag_from_language (hb_language_t language)
     const LangTag *lang_tag;
     lang_tag = (LangTag *) bsearch (lang_str, ot_languages,
 				    ARRAY_LENGTH (ot_languages), sizeof (LangTag),
-				    (hb_compare_func_t) lang_compare_first_component);
+				    lang_compare_first_component);
     if (lang_tag)
       return lang_tag->tag;
   }
diff --git a/src/hb-ot-var-mvar-table.hh b/src/hb-ot-var-mvar-table.hh
index 3cb749847..96bc77f3a 100644
--- a/src/hb-ot-var-mvar-table.hh
+++ b/src/hb-ot-var-mvar-table.hh
@@ -77,7 +77,7 @@ struct MVAR
     const VariationValueRecord *record;
     record = (VariationValueRecord *) bsearch (&tag, values,
 					       valueRecordCount, valueRecordSize,
-					       (hb_compare_func_t) tag_compare);
+					       tag_compare);
     if (!record)
       return 0.;
 
@@ -85,8 +85,12 @@ struct MVAR
   }
 
 protected:
-  static inline int tag_compare (const hb_tag_t *a, const Tag *b)
-  { return b->cmp (*a); }
+  static inline int tag_compare (const void *pa, const void *pb)
+  {
+    const hb_tag_t *a = (const hb_tag_t *) pa;
+    const Tag *b = (const Tag *) pb;
+    return b->cmp (*a);
+  }
 
   protected:
   FixedVersion<>version;	/* Version of the metrics variation table
diff --git a/src/hb-private.hh b/src/hb-private.hh
index ab6511dc8..f6dbbe21f 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -372,11 +372,6 @@ _hb_unsigned_int_mul_overflows (unsigned int count, unsigned int size)
 }
 
 
-/* Type of bsearch() / qsort() compare function */
-typedef int (*hb_compare_func_t) (const void *, const void *);
-
-
-
 
 /* arrays and maps */
 
@@ -480,12 +475,12 @@ struct hb_prealloced_array_t
 
   inline void qsort (void)
   {
-    ::qsort (array, len, sizeof (Type), (hb_compare_func_t) Type::cmp);
+    ::qsort (array, len, sizeof (Type), Type::cmp);
   }
 
   inline void qsort (unsigned int start, unsigned int end)
   {
-    ::qsort (array + start, end - start, sizeof (Type), (hb_compare_func_t) Type::cmp);
+    ::qsort (array + start, end - start, sizeof (Type), Type::cmp);
   }
 
   template <typename T>

From 977679f229a10868dc668294082bd82125e4fe48 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 29 Oct 2017 17:33:32 -0600
Subject: [PATCH 0560/1326] Add hb_bsearch_r()

---
 src/hb-ot-post-table.hh |  1 +
 src/hb-sort-r.hh        | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 273a6d027..94d1e429c 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -28,6 +28,7 @@
 #define HB_OT_POST_TABLE_HH
 
 #include "hb-open-type-private.hh"
+#include "hb-sort-r.hh"
 
 #define HB_STRING_ARRAY_NAME format1_names
 #define HB_STRING_ARRAY_LIST "hb-ot-post-macroman.hh"
diff --git a/src/hb-sort-r.hh b/src/hb-sort-r.hh
index 1b91b4da6..80cd3c807 100644
--- a/src/hb-sort-r.hh
+++ b/src/hb-sort-r.hh
@@ -4,6 +4,31 @@
 
 #include <hb-private.hh>
 
+
+static inline void *
+hb_bsearch_r(const void *key, const void *base,
+	     size_t nmemb, size_t size,
+	     int (*compar)(const void *_a, const void *_b, const void *_arg),
+	     void *arg)
+{
+  int min = 0, max = (int) nmemb - 1;
+  while (min <= max)
+  {
+    int mid = (min + max) / 2;
+    const void *p = (const void *) (((const char *) base) + (mid * size));
+    int c = compar (key, p, arg);
+    if (c < 0)
+      max = mid - 1;
+    else if (c > 0)
+      min = mid + 1;
+    else
+      return (void *) p;
+  }
+  return NULL;
+}
+
+
+
 /* From https://github.com/noporpoise/sort_r */
 /*
 

From 0f8b5aa1bc2c831044a35fc8e52df58652cec86b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 30 Oct 2017 09:46:36 -0600
Subject: [PATCH 0561/1326] [post] Minor; towards implementing
 get_glyph_from_name()

---
 src/hb-ot-post-table.hh | 56 +++++++++++++++++++++++------------------
 1 file changed, 31 insertions(+), 25 deletions(-)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 94d1e429c..275988e38 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -110,50 +110,56 @@ struct post
       index_to_offset.finish ();
     }
 
-    inline bool get_glyph_name (hb_codepoint_t glyph,
-				char *buf, unsigned int buf_len) const
+    struct str_t
+    {
+      inline str_t (void) : bytes (nullptr), len (0) {}
+      inline str_t (const char *bytes_, unsigned int len_) : bytes (bytes_), len (len_) {}
+
+      const char *bytes;
+      unsigned int len;
+    };
+
+    inline str_t _find_glyph_name (hb_codepoint_t glyph) const
     {
       if (version == 0x00010000)
       {
 	if (glyph >= NUM_FORMAT1_NAMES)
-	  return false;
+	  return str_t ();
 
-	if (!buf_len)
-	  return true;
-	strncpy (buf, format1_names (glyph), buf_len);
-	buf[buf_len - 1] = '\0';
-	return true;
+	return str_t (format1_names (glyph), strlen (format1_names (glyph)));
       }
 
-      if (version != 0x00020000)
-        return false;
-
-      if (glyph >= glyphNameIndex->len)
-	return false;
+      if (version != 0x00020000 || glyph >= glyphNameIndex->len)
+	return str_t ();
 
       unsigned int index = glyphNameIndex->array[glyph];
       if (index < NUM_FORMAT1_NAMES)
-      {
-	if (!buf_len)
-	  return true;
-	strncpy (buf, format1_names (index), buf_len);
-	buf[buf_len - 1] = '\0';
-	return true;
-      }
+	return str_t (format1_names (index), strlen (format1_names (index)));
       index -= NUM_FORMAT1_NAMES;
 
       if (index >= index_to_offset.len)
-        return false;
+	return str_t ();
       unsigned int offset = index_to_offset.array[index];
 
       const uint8_t *data = pool + offset;
       unsigned int name_length = *data;
       data++;
 
-      if (unlikely (!name_length || buf_len <= name_length))
-	return false;
-      memcpy (buf, data, name_length);
-      buf[name_length] = '\0';
+      return str_t ((const char *) data, name_length);
+    }
+
+    inline bool get_glyph_name (hb_codepoint_t glyph,
+				char *buf, unsigned int buf_len) const
+    {
+      str_t s = _find_glyph_name (glyph);
+      if (!s.len)
+        return false;
+      if (!buf_len)
+	return true;
+      if (buf_len <= s.len) /* What to do with truncation? Returning false for now. */
+        return false;
+      strncpy (buf, s.bytes, s.len);
+      buf[s.len] = '\0';
       return true;
     }
 

From 21ac5678583259e673d961a26fadaad2bf33f1f8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 30 Oct 2017 09:48:09 -0600
Subject: [PATCH 0562/1326] Fix tests

---
 src/check-includes.sh |  2 +-
 src/hb-sort-r.hh      | 32 ++++++++++++++++++++++++++++++--
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/src/check-includes.sh b/src/check-includes.sh
index 37e372d51..fd565da53 100755
--- a/src/check-includes.sh
+++ b/src/check-includes.sh
@@ -34,7 +34,7 @@ grep -v 'hb-private[.]hh:' |
 grep . >&2 && stat=1
 
 
-echo 'Checking that there is no #include <hb.*.h>'
+echo 'Checking that there is no #include <hb-*.h>'
 for x in $HBHEADERS $HBSOURCES; do
 	test -f "$srcdir/$x" && x="$srcdir/$x"
 	grep '#.*\<include\>.*<.*hb' "$x" /dev/null >&2 && stat=1
diff --git a/src/hb-sort-r.hh b/src/hb-sort-r.hh
index 80cd3c807..371a12b5d 100644
--- a/src/hb-sort-r.hh
+++ b/src/hb-sort-r.hh
@@ -1,8 +1,33 @@
-/* Isaac Turner 29 April 2014 Public Domain */
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
 #ifndef HB_SORT_R_HH
 #define HB_SORT_R_HH
 
-#include <hb-private.hh>
+#include "hb-private.hh"
 
 
 static inline void *
@@ -30,6 +55,9 @@ hb_bsearch_r(const void *key, const void *base,
 
 
 /* From https://github.com/noporpoise/sort_r */
+
+/* Isaac Turner 29 April 2014 Public Domain */
+
 /*
 
 hb_sort_r function to be exported.

From e1a37f3db4f2364e98ff057209a94aa9b23e5c9d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 30 Oct 2017 11:42:28 -0600
Subject: [PATCH 0563/1326] Add hb_string_t

---
 src/hb-ot-post-table.hh | 25 ++++++++-----------------
 src/hb-private.hh       | 27 +++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 275988e38..090d3ccbe 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -110,48 +110,39 @@ struct post
       index_to_offset.finish ();
     }
 
-    struct str_t
-    {
-      inline str_t (void) : bytes (nullptr), len (0) {}
-      inline str_t (const char *bytes_, unsigned int len_) : bytes (bytes_), len (len_) {}
-
-      const char *bytes;
-      unsigned int len;
-    };
-
-    inline str_t _find_glyph_name (hb_codepoint_t glyph) const
+    inline hb_string_t _find_glyph_name (hb_codepoint_t glyph) const
     {
       if (version == 0x00010000)
       {
 	if (glyph >= NUM_FORMAT1_NAMES)
-	  return str_t ();
+	  return hb_string_t ();
 
-	return str_t (format1_names (glyph), strlen (format1_names (glyph)));
+	return hb_string_t (format1_names (glyph), strlen (format1_names (glyph)));
       }
 
       if (version != 0x00020000 || glyph >= glyphNameIndex->len)
-	return str_t ();
+	return hb_string_t ();
 
       unsigned int index = glyphNameIndex->array[glyph];
       if (index < NUM_FORMAT1_NAMES)
-	return str_t (format1_names (index), strlen (format1_names (index)));
+	return hb_string_t (format1_names (index), strlen (format1_names (index)));
       index -= NUM_FORMAT1_NAMES;
 
       if (index >= index_to_offset.len)
-	return str_t ();
+	return hb_string_t ();
       unsigned int offset = index_to_offset.array[index];
 
       const uint8_t *data = pool + offset;
       unsigned int name_length = *data;
       data++;
 
-      return str_t ((const char *) data, name_length);
+      return hb_string_t ((const char *) data, name_length);
     }
 
     inline bool get_glyph_name (hb_codepoint_t glyph,
 				char *buf, unsigned int buf_len) const
     {
-      str_t s = _find_glyph_name (glyph);
+      hb_string_t s = _find_glyph_name (glyph);
       if (!s.len)
         return false;
       if (!buf_len)
diff --git a/src/hb-private.hh b/src/hb-private.hh
index f6dbbe21f..b88de08d1 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -1137,4 +1137,31 @@ hb_options (void)
 /* Size signifying variable-sized array */
 #define VAR 1
 
+
+/* String type. */
+
+struct hb_string_t
+{
+  inline hb_string_t (void) : bytes (nullptr), len (0) {}
+  inline hb_string_t (const char *bytes_, unsigned int len_) : bytes (bytes_), len (len_) {}
+
+  inline int cmp (const hb_string_t *a) const
+  {
+    if (len != a->len)
+      return (int) a->len - (int) len;
+
+    return memcmp (a->bytes, bytes, len);
+  }
+  static inline int cmp (const void *pa, const void *pb)
+  {
+    hb_string_t *a = (hb_string_t *) pa;
+    hb_string_t *b = (hb_string_t *) pb;
+    return b->cmp (a);
+  }
+
+  const char *bytes;
+  unsigned int len;
+};
+
+
 #endif /* HB_PRIVATE_HH */

From 6c738f353ec4ab5974414fbb8ff1fb9383c4bde6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 30 Oct 2017 12:21:44 -0600
Subject: [PATCH 0564/1326] Make string-array return hb_string_t

---
 src/hb-ot-post-table.hh | 17 ++---------------
 src/hb-string-array.hh  | 11 +++++++++--
 2 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 090d3ccbe..7e164cba3 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -117,7 +117,7 @@ struct post
 	if (glyph >= NUM_FORMAT1_NAMES)
 	  return hb_string_t ();
 
-	return hb_string_t (format1_names (glyph), strlen (format1_names (glyph)));
+	return format1_names (glyph);
       }
 
       if (version != 0x00020000 || glyph >= glyphNameIndex->len)
@@ -125,7 +125,7 @@ struct post
 
       unsigned int index = glyphNameIndex->array[glyph];
       if (index < NUM_FORMAT1_NAMES)
-	return hb_string_t (format1_names (index), strlen (format1_names (index)));
+	return format1_names (index);
       index -= NUM_FORMAT1_NAMES;
 
       if (index >= index_to_offset.len)
@@ -163,19 +163,6 @@ struct post
       if (unlikely (!len))
         return false;
 
-      if (version == 0x00010000)
-      {
-	for (int i = 0; i < NUM_FORMAT1_NAMES; i++)
-	{
-	  if (strncmp (name, format1_names (i), len) == 0 && format1_names (i)[len] == '\0')
-	  {
-	    *glyph = i;
-	    return true;
-	  }
-	}
-	return false;
-      }
-
       /* TODO format2 */
       return false;
     }
diff --git a/src/hb-string-array.hh b/src/hb-string-array.hh
index afad5d75d..285b4b535 100644
--- a/src/hb-string-array.hh
+++ b/src/hb-string-array.hh
@@ -40,6 +40,10 @@
 
 static const union HB_STRING_ARRAY_TYPE_NAME {
   struct {
+/* I like to avoid storing the nul-termination byte since we don't need it,
+ * but C++ does not allow that.
+ * https://stackoverflow.com/questions/28433862/why-initializer-string-for-array-of-chars-is-too-long-compiles-fine-in-c-not
+ */
 #define _S(s) char HB_PASTE (str, __LINE__)[sizeof (s)];
 #include HB_STRING_ARRAY_LIST
 #undef _S
@@ -59,12 +63,15 @@ static const unsigned int HB_STRING_ARRAY_OFFS_NAME[] =
 #define _S(s) offsetof (union HB_STRING_ARRAY_TYPE_NAME, st.HB_PASTE(str, __LINE__)),
 #include HB_STRING_ARRAY_LIST
 #undef _S
+  sizeof (HB_STRING_ARRAY_TYPE_NAME)
 };
 
-static inline const char *
+static inline hb_string_t
 HB_STRING_ARRAY_NAME (unsigned int i)
 {
-  return HB_STRING_ARRAY_POOL_NAME.str + HB_STRING_ARRAY_OFFS_NAME[i];
+  assert (i < ARRAY_LENGTH (HB_STRING_ARRAY_OFFS_NAME) - 1);
+  return hb_string_t (HB_STRING_ARRAY_POOL_NAME.str + HB_STRING_ARRAY_OFFS_NAME[i],
+		      HB_STRING_ARRAY_OFFS_NAME[i + 1] - HB_STRING_ARRAY_OFFS_NAME[i] - 1);
 }
 
 #undef HB_STRING_ARRAY_TYPE_NAME

From e35a763c07b60da6e5fbdb6edd9d25f575cd3d8b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 30 Oct 2017 13:15:05 -0600
Subject: [PATCH 0565/1326] [post] Implement glyph_from_name()

This concludes https://github.com/behdad/harfbuzz/pull/568
---
 src/hb-ot-post-table.hh | 119 ++++++++++++++++++++++++++++++----------
 src/hb-private.hh       |  10 ++--
 src/hb-sort-r.hh        |   2 +-
 3 files changed, 96 insertions(+), 35 deletions(-)

diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 7e164cba3..580a6a92c 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -108,9 +108,97 @@ struct post
     inline void fini (void)
     {
       index_to_offset.finish ();
+      free (gids_sorted_by_name);
     }
 
-    inline hb_string_t _find_glyph_name (hb_codepoint_t glyph) const
+    inline bool get_glyph_name (hb_codepoint_t glyph,
+				char *buf, unsigned int buf_len) const
+    {
+      hb_string_t s = find_glyph_name (glyph);
+      if (!s.len)
+        return false;
+      if (!buf_len)
+	return true;
+      if (buf_len <= s.len) /* What to do with truncation? Returning false for now. */
+        return false;
+      strncpy (buf, s.bytes, s.len);
+      buf[s.len] = '\0';
+      return true;
+    }
+
+    inline bool get_glyph_from_name (const char *name, int len,
+				     hb_codepoint_t *glyph) const
+    {
+      unsigned int count = get_glyph_count ();
+      if (unlikely (!count))
+        return false;
+
+      if (len < 0)
+	len = strlen (name);
+
+      if (unlikely (!len))
+	return false;
+
+    retry:
+      uint16_t *gids = (uint16_t *) hb_atomic_ptr_get (&gids_sorted_by_name);
+
+      if (unlikely (!gids))
+      {
+	gids = (uint16_t *) malloc (count * sizeof (gids[0]));
+	if (unlikely (!gids))
+	  return false; /* Anything better?! */
+
+	for (unsigned int i = 0; i < count; i++)
+	  gids[i] = i;
+	hb_sort_r (gids, count, sizeof (gids[0]), cmp_gids, (void *) this);
+
+	if (!hb_atomic_ptr_cmpexch (&gids_sorted_by_name, nullptr, gids)) {
+	  free (gids);
+	  goto retry;
+	}
+      }
+
+      hb_string_t st (name, len);
+      const uint16_t *gid = (const uint16_t *) hb_bsearch_r (&st, gids, count, sizeof (gids[0]), cmp_key, (void *) this);
+      if (gid)
+      {
+	*glyph = *gid;
+	return true;
+      }
+
+      return false;
+    }
+
+    protected:
+
+    inline unsigned int get_glyph_count (void) const
+    {
+      if (version == 0x00010000)
+        return NUM_FORMAT1_NAMES;
+
+      if (version == 0x00020000)
+        return glyphNameIndex->len;
+
+      return 0;
+    }
+
+    static inline int cmp_gids (const void *pa, const void *pb, void *arg)
+    {
+      const accelerator_t *thiz = (const accelerator_t *) arg;
+      uint16_t a = * (const uint16_t *) pa;
+      uint16_t b = * (const uint16_t *) pb;
+      return thiz->find_glyph_name (b).cmp (thiz->find_glyph_name (a));
+    }
+
+    static inline int cmp_key (const void *pk, const void *po, void *arg)
+    {
+      const accelerator_t *thiz = (const accelerator_t *) arg;
+      const hb_string_t *key = (const hb_string_t *) pk;
+      uint16_t o = * (const uint16_t *) po;
+      return thiz->find_glyph_name (o).cmp (*key);
+    }
+
+    inline hb_string_t find_glyph_name (hb_codepoint_t glyph) const
     {
       if (version == 0x00010000)
       {
@@ -139,38 +227,11 @@ struct post
       return hb_string_t ((const char *) data, name_length);
     }
 
-    inline bool get_glyph_name (hb_codepoint_t glyph,
-				char *buf, unsigned int buf_len) const
-    {
-      hb_string_t s = _find_glyph_name (glyph);
-      if (!s.len)
-        return false;
-      if (!buf_len)
-	return true;
-      if (buf_len <= s.len) /* What to do with truncation? Returning false for now. */
-        return false;
-      strncpy (buf, s.bytes, s.len);
-      buf[s.len] = '\0';
-      return true;
-    }
-
-    inline bool get_glyph_from_name (const char *name, int len,
-				     hb_codepoint_t *glyph) const
-    {
-      if (len < 0)
-	len = strlen (name);
-
-      if (unlikely (!len))
-        return false;
-
-      /* TODO format2 */
-      return false;
-    }
-
     uint32_t version;
     const ArrayOf<USHORT> *glyphNameIndex;
     hb_prealloced_array_t<uint32_t, 1> index_to_offset;
     const uint8_t *pool;
+    mutable uint16_t *gids_sorted_by_name;
   };
 
   public:
diff --git a/src/hb-private.hh b/src/hb-private.hh
index b88de08d1..6f2106ee2 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -1145,18 +1145,18 @@ struct hb_string_t
   inline hb_string_t (void) : bytes (nullptr), len (0) {}
   inline hb_string_t (const char *bytes_, unsigned int len_) : bytes (bytes_), len (len_) {}
 
-  inline int cmp (const hb_string_t *a) const
+  inline int cmp (const hb_string_t &a) const
   {
-    if (len != a->len)
-      return (int) a->len - (int) len;
+    if (len != a.len)
+      return (int) a.len - (int) len;
 
-    return memcmp (a->bytes, bytes, len);
+    return memcmp (a.bytes, bytes, len);
   }
   static inline int cmp (const void *pa, const void *pb)
   {
     hb_string_t *a = (hb_string_t *) pa;
     hb_string_t *b = (hb_string_t *) pb;
-    return b->cmp (a);
+    return b->cmp (*a);
   }
 
   const char *bytes;
diff --git a/src/hb-sort-r.hh b/src/hb-sort-r.hh
index 371a12b5d..7458b4bb9 100644
--- a/src/hb-sort-r.hh
+++ b/src/hb-sort-r.hh
@@ -33,7 +33,7 @@
 static inline void *
 hb_bsearch_r(const void *key, const void *base,
 	     size_t nmemb, size_t size,
-	     int (*compar)(const void *_a, const void *_b, const void *_arg),
+	     int (*compar)(const void *_key, const void *_item, void *_arg),
 	     void *arg)
 {
   int min = 0, max = (int) nmemb - 1;

From ec86cc5e552e9e8d64101feb1f540a9dc94a9025 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 30 Oct 2017 14:11:59 -0600
Subject: [PATCH 0566/1326] Fix Windows build

(And prevent it from happening in the future.)
---
 src/hb-ot-layout.cc     | 1 +
 src/hb-ot-name-table.hh | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index df43c29e4..8fe153134 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -35,6 +35,7 @@
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
 #include "hb-ot-layout-jstf-table.hh" // Just so we compile it; unused otherwise.
+#include "hb-ot-name-table.hh" // Just so we compile it; unused otherwise.
 
 #include "hb-ot-map-private.hh"
 
diff --git a/src/hb-ot-name-table.hh b/src/hb-ot-name-table.hh
index 731a0dbbb..8e688a6bf 100644
--- a/src/hb-ot-name-table.hh
+++ b/src/hb-ot-name-table.hh
@@ -42,8 +42,10 @@ namespace OT {
 
 struct NameRecord
 {
-  static int cmp (const NameRecord *a, const NameRecord *b)
+  static int cmp (const void *pa, const void *pb)
   {
+    const NameRecord *a = (const NameRecord *) pa;
+    const NameRecord *b = (const NameRecord *) pb;
     int ret;
     ret = b->platformID.cmp (a->platformID);
     if (ret) return ret;

From 98acdde3c6bd0745c3cbfb510e82fbd87ebd1a33 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 11:17:43 -0600
Subject: [PATCH 0567/1326] [coretext/uniscribe] Fix build

https://travis-ci.org/behdad/harfbuzz/jobs/295039536#L3468
https://ci.appveyor.com/project/behdad/harfbuzz/build/1.0.697/job/dr1ujlntxafeqbej#L142
---
 src/hb-coretext.cc  | 8 ++++++--
 src/hb-uniscribe.cc | 8 ++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 937822b86..e27c2bade 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -351,7 +351,9 @@ struct active_feature_t {
   feature_record_t rec;
   unsigned int order;
 
-  static int cmp (const active_feature_t *a, const active_feature_t *b) {
+  static int cmp (const void *pa, const void *pb) {
+    const active_feature_t *a = (const active_feature_t *) pa;
+    const active_feature_t *b = (const active_feature_t *) pb;
     return a->rec.feature < b->rec.feature ? -1 : a->rec.feature > b->rec.feature ? 1 :
 	   a->order < b->order ? -1 : a->order > b->order ? 1 :
 	   a->rec.setting < b->rec.setting ? -1 : a->rec.setting > b->rec.setting ? 1 :
@@ -367,7 +369,9 @@ struct feature_event_t {
   bool start;
   active_feature_t feature;
 
-  static int cmp (const feature_event_t *a, const feature_event_t *b) {
+  static int cmp (const void *pa, const void *pb) {
+    const feature_event_t *a = (const feature_event_t *) pa;
+    const feature_event_t *b = (const feature_event_t *) pb;
     return a->index < b->index ? -1 : a->index > b->index ? 1 :
 	   a->start < b->start ? -1 : a->start > b->start ? 1 :
 	   active_feature_t::cmp (&a->feature, &b->feature);
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index b19c394b1..93e338df4 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -264,7 +264,9 @@ struct active_feature_t {
   OPENTYPE_FEATURE_RECORD rec;
   unsigned int order;
 
-  static int cmp (const active_feature_t *a, const active_feature_t *b) {
+  static int cmp (const void *pa, const void *pb) {
+    const active_feature_t *a = (const active_feature_t *) pa;
+    const active_feature_t *b = (const active_feature_t *) pb;
     return a->rec.tagFeature < b->rec.tagFeature ? -1 : a->rec.tagFeature > b->rec.tagFeature ? 1 :
 	   a->order < b->order ? -1 : a->order > b->order ? 1 :
 	   a->rec.lParameter < b->rec.lParameter ? -1 : a->rec.lParameter > b->rec.lParameter ? 1 :
@@ -280,7 +282,9 @@ struct feature_event_t {
   bool start;
   active_feature_t feature;
 
-  static int cmp (const feature_event_t *a, const feature_event_t *b) {
+  static int cmp (const void *pa, const void *pb) {
+    const feature_event_t *a = (const feature_event_t *) pa;
+    const feature_event_t *b = (const feature_event_t *) pb;
     return a->index < b->index ? -1 : a->index > b->index ? 1 :
 	   a->start < b->start ? -1 : a->start > b->start ? 1 :
 	   active_feature_t::cmp (&a->feature, &b->feature);

From c290ba5b7d4e9e4a5f02340a22e6c9c46564906b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 13:18:21 -0600
Subject: [PATCH 0568/1326] Define _GNU_SOURCE

Might help with https://github.com/behdad/harfbuzz/pull/592
Ie. bringing in qsort_r() prototype always.
---
 src/hb-private.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 6f2106ee2..6d54eef56 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -92,6 +92,7 @@ extern "C" void  hb_free_impl(void *ptr);
 
 #endif // __cplusplus < 201103L
 
+#define _GNU_SOURCE 1
 
 #if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__)
 #define likely(expr) (__builtin_expect (!!(expr), 1))

From b7982c9e65e0b58616cc8264dd52cac37753ef79 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Tue, 31 Oct 2017 12:42:08 -0700
Subject: [PATCH 0569/1326] [ci] Add CircleCI for cross-compiling (#592)

---
 .circleci/config.yml | 61 ++++++++++++++++++++++++++++++++++++++++++++
 README               |  1 +
 2 files changed, 62 insertions(+)
 create mode 100644 .circleci/config.yml

diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 000000000..5ce763278
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,61 @@
+version: 2
+jobs:
+
+  base:
+    docker:
+      - image: dockcross/base
+    steps:
+      - checkout
+      - run: apt update && apt install ragel
+      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+
+  android-arm:
+    docker:
+      - image: dockcross/android-arm
+    steps:
+      - checkout
+      - run: apt update && apt install ragel
+      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+
+  browser-asmjs:
+    docker:
+      - image: dockcross/browser-asmjs
+    steps:
+      - checkout
+      - run: apt update && apt install ragel
+      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+
+  android-arm64:
+    docker:
+      - image: dockcross/android-arm64
+    steps:
+      - checkout
+      - run: apt update && apt install ragel
+      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+
+  linux-mips:
+    docker:
+      - image: dockcross/linux-mips
+    steps:
+      - checkout
+      - run: apt update && apt install ragel
+      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+
+  windows-x64:
+    docker:
+      - image: dockcross/windows-x64
+    steps:
+      - checkout
+      - run: apt update && apt install ragel
+      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+
+workflows:
+  version: 2
+  build:
+    jobs:
+      - base
+      - android-arm
+      - browser-asmjs
+      - android-arm64
+      - linux-mips
+      - windows-x64
diff --git a/README b/README
index 69a1bdd9f..0fa35b03e 100644
--- a/README
+++ b/README
@@ -1,5 +1,6 @@
 [![Build Status](https://travis-ci.org/behdad/harfbuzz.svg)](https://travis-ci.org/behdad/harfbuzz)
 [![Build Status](https://ci.appveyor.com/api/projects/status/4oaq58ns2h0m2soa?svg=true)](https://ci.appveyor.com/project/behdad/harfbuzz)
+[![CircleCI](https://circleci.com/gh/behdad/harfbuzz.svg?style=svg)](https://circleci.com/gh/behdad/harfbuzz)
 [![Coverage Status](https://img.shields.io/coveralls/behdad/harfbuzz.svg)](https://coveralls.io/r/behdad/harfbuzz)
 [ABI Tracker](http://abi-laboratory.pro/tracker/timeline/harfbuzz/)
 

From 0feff4ba7b16501341c575e06b4c98a6e1bd2809 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 14:02:32 -0600
Subject: [PATCH 0570/1326] Simplify hb-sort-r.hh

See https://github.com/behdad/harfbuzz/pull/592
---
 src/hb-sort-r.hh | 147 +++++------------------------------------------
 1 file changed, 14 insertions(+), 133 deletions(-)

diff --git a/src/hb-sort-r.hh b/src/hb-sort-r.hh
index 7458b4bb9..b4c3c91de 100644
--- a/src/hb-sort-r.hh
+++ b/src/hb-sort-r.hh
@@ -72,35 +72,15 @@ Parameters:
 void hb_sort_r(void *base, size_t nel, size_t width,
                int (*compar)(const void *_a, const void *_b, void *_arg),
                void *arg);
-
 */
 
-#define _SORT_R_INLINE inline
-
-#if (defined __APPLE__ || defined __MACH__ || defined __DARWIN__ || \
-     defined __FreeBSD__ || defined __DragonFly__)
-#  define _SORT_R_BSD
-#elif (defined _GNU_SOURCE || defined __gnu_hurd__ || defined __GNU__ || \
-       defined __linux__ || defined __MINGW32__ || defined __GLIBC__)
-#  define _SORT_R_LINUX
-#elif (defined _WIN32 || defined _WIN64 || defined __WINDOWS__)
-#  define _SORT_R_WINDOWS
-#  undef _SORT_R_INLINE
-#  define _SORT_R_INLINE __inline
-#else
-  /* Using our own recursive quicksort sort_r_simple() */
-#endif
-
-#if (defined NESTED_QSORT && NESTED_QSORT == 0)
-#  undef NESTED_QSORT
-#endif
 
 /* swap a, b iff a>b */
 /* __restrict is same as restrict but better support on old machines */
-static _SORT_R_INLINE int sort_r_cmpswap(char *__restrict a, char *__restrict b, size_t w,
-                                         int (*compar)(const void *_a, const void *_b,
-                                                       void *_arg),
-                                         void *arg)
+static int sort_r_cmpswap(char *__restrict a, char *__restrict b, size_t w,
+			  int (*compar)(const void *_a, const void *_b,
+					void *_arg),
+			  void *arg)
 {
   char tmp, *end = a+w;
   if(compar(a, b, arg) > 0) {
@@ -110,12 +90,11 @@ static _SORT_R_INLINE int sort_r_cmpswap(char *__restrict a, char *__restrict b,
   return 0;
 }
 
-/* Implement recursive quicksort ourselves */
 /* Note: quicksort is not stable, equivalent values may be swapped */
-static _SORT_R_INLINE void sort_r_simple(void *base, size_t nel, size_t w,
-                                         int (*compar)(const void *_a, const void *_b,
-                                                       void *_arg),
-                                         void *arg)
+static inline void sort_r_simple(void *base, size_t nel, size_t w,
+				 int (*compar)(const void *_a, const void *_b,
+					       void *_arg),
+				 void *arg)
 {
   char *b = (char *)base, *end = b + nel*w;
   if(nel < 7) {
@@ -172,109 +151,11 @@ static _SORT_R_INLINE void sort_r_simple(void *base, size_t nel, size_t w,
   }
 }
 
-
-#if defined NESTED_QSORT
-
-  static _SORT_R_INLINE void hb_sort_r(void *base, size_t nel, size_t width,
-                                       int (*compar)(const void *_a, const void *_b,
-                                                     void *aarg),
-                                       void *arg)
-  {
-    int nested_cmp(const void *a, const void *b)
-    {
-      return compar(a, b, arg);
-    }
-
-    qsort(base, nel, width, nested_cmp);
-  }
-
-#else /* !NESTED_QSORT */
-
-  /* Declare structs and functions */
-
-  #if defined _SORT_R_BSD
-
-    /* Ensure qsort_r is defined */
-    extern void qsort_r(void *base, size_t nel, size_t width, void *thunk,
-                        int (*compar)(void *_thunk, const void *_a, const void *_b));
-
-  #endif
-
-  #if defined _SORT_R_BSD || defined _SORT_R_WINDOWS
-
-    /* BSD (qsort_r), Windows (qsort_s) require argument swap */
-
-    struct sort_r_data
-    {
-      void *arg;
-      int (*compar)(const void *_a, const void *_b, void *_arg);
-    };
-
-    static _SORT_R_INLINE int sort_r_arg_swap(void *s, const void *a, const void *b)
-    {
-      struct sort_r_data *ss = (struct sort_r_data*)s;
-      return (ss->compar)(a, b, ss->arg);
-    }
-
-  #endif
-
-  #if defined _SORT_R_LINUX
-
-#if 0 /* BE: To avoid redeclaration warning. */
-    typedef int(* __compar_d_fn_t)(const void *, const void *, void *);
-    extern void qsort_r(void *base, size_t nel, size_t width,
-                        __compar_d_fn_t __compar, void *arg)
-      __attribute__((nonnull (1, 4)));
-#endif
-
-  #endif
-
-  /* implementation */
-
-  static _SORT_R_INLINE void hb_sort_r(void *base, size_t nel, size_t width,
-                                       int (*compar)(const void *_a, const void *_b, void *_arg),
-                                       void *arg)
-  {
-    #if defined _SORT_R_LINUX
-
-      #if defined __GLIBC__ && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8))
-
-        /* no qsort_r in glibc before 2.8, need to use nested qsort */
-        sort_r_simple(base, nel, width, compar, arg);
-
-      #else
-
-        qsort_r(base, nel, width, compar, arg);
-
-      #endif
-
-    #elif defined _SORT_R_BSD
-
-      struct sort_r_data tmp;
-      tmp.arg = arg;
-      tmp.compar = compar;
-      qsort_r(base, nel, width, &tmp, sort_r_arg_swap);
-
-    #elif defined _SORT_R_WINDOWS
-
-      struct sort_r_data tmp;
-      tmp.arg = arg;
-      tmp.compar = compar;
-      qsort_s(base, nel, width, sort_r_arg_swap, &tmp);
-
-    #else
-
-      /* Fall back to our own quicksort implementation */
-      sort_r_simple(base, nel, width, compar, arg);
-
-    #endif
-  }
-
-#endif /* !NESTED_QSORT */
-
-#undef _SORT_R_INLINE
-#undef _SORT_R_WINDOWS
-#undef _SORT_R_LINUX
-#undef _SORT_R_BSD
+static inline void hb_sort_r(void *base, size_t nel, size_t width,
+			     int (*compar)(const void *_a, const void *_b, void *_arg),
+			     void *arg)
+{
+    sort_r_simple(base, nel, width, compar, arg);
+}
 
 #endif /* HB_SORT_R_HH */

From b902605133ef4a411afdaa8abda194e81facf525 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 14:25:46 -0600
Subject: [PATCH 0571/1326] [CircleCI] Fix build

Fixes https://github.com/behdad/harfbuzz/issues/589
---
 .circleci/config.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5ce763278..7135b853e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -25,9 +25,9 @@ jobs:
       - run: apt update && apt install ragel
       - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
 
-  android-arm64:
+  linux-arm64:
     docker:
-      - image: dockcross/android-arm64
+      - image: dockcross/linux-arm64
     steps:
       - checkout
       - run: apt update && apt install ragel
@@ -56,6 +56,6 @@ workflows:
       - base
       - android-arm
       - browser-asmjs
-      - android-arm64
+      - linux-arm64
       - linux-mips
       - windows-x64

From d016c5bdb94704e726b104c318262b47c6a4b7c8 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Fri, 27 Oct 2017 12:14:00 -0400
Subject: [PATCH 0572/1326] Categorize Grantha candrabindu for use in Tamil

---
 src/hb-ot-shape-complex-indic.cc                 |   2 +-
 .../b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf | Bin 0 -> 1120 bytes
 test/shaping/tests/indic-script-extensions.tests |   1 +
 3 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 1937380b8..0cb326aa8 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -217,7 +217,7 @@ set_indic_properties (hb_glyph_info_t &info)
 
   /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
    * so the Indic shaper needs to know their categories. */
-  else if (unlikely (u == 0x11303u)) cat = OT_SM;
+  else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
   else if (unlikely (u == 0x1133cu)) cat = OT_N;
 
   else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/behdad/harfbuzz/issues/552 */
diff --git a/test/shaping/fonts/sha1sum/b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf b/test/shaping/fonts/sha1sum/b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..531f255f38def0e8e540047e7126253ab3bfe321
GIT binary patch
literal 1120
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zT2i0L8Cs%H8qHYNzZF?>N`Web+Hz>vz7l%gVn^+G%~xBfrK$@x)P-hhi%Y}JT75Nn
zz4>!pE#f$D1bQ9kj05VI9LzY*Gl7p&RW0znE;@JQYvj|+{TDYD1EK1>Z?9$MD^;rx
z+4D`aVR^!^Iai*apS$<q!RdSB<EP7JB*@F*rMQyWwdv&XhCRO!^!<?T53Rra?z-N8
zb2-eL4X~X+z-s|he$uxNTY=@U=*2O~<06KXbspYjmN|ci%JaS#vmmc>Re4GGHE$JP
z5EE>z0>4Ya2>b5#dL{SZiG2oM1s^(&Pjhx*Xay$s?hTDymX?ZMZbPW6sP|JmT_8fs
z(-nj;vZ9ADfjkl@pop_5A%`(!VUeo?X>@XpqX#kUL>KiWbmDU`sLPxZMv)=fLW&U+
zr|8wmXE35OmUHzA4ihzo3gbE>lHX#zGIk@%FHK*D5sUZ<YH2c?{0hu2quZ@BMqH5$
zqvXgDVYnFGtq{dIW|ioPa;M$gZ<HumQRgbz3|eyV1@PQ_Pn3E}Qr?1V`&Mj~CzCi;
z`sHnV^UtF$4p_}7Am6YY<O)9YgmDq}L^e)@$xM+LIdeFd<a_+jkUQ{r<$oyLJu&+a
DcvRdO

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-script-extensions.tests b/test/shaping/tests/indic-script-extensions.tests
index d59d79a51..2d15402e6 100644
--- a/test/shaping/tests/indic-script-extensions.tests
+++ b/test/shaping/tests/indic-script-extensions.tests
@@ -1 +1,2 @@
 fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf::U+0BA4,U+0BC6,U+1133C,U+0BAA,U+1133C,U+0BC6,U+1133C:[u0BC6=0+2093|u1133C=0+0|u0BA4=0+1863|u0BC6=3+2093|u1133C=3+0|u0BAA=3+1706|u1133C=3+0]
+fonts/sha1sum/b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf::U+0BAA,U+11301,U+11303:[uni0BAA=0+535|u11301=0+0|u11303=0+310]

From 8eaff980fc6d15856fa853479454b58668809c7a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 15:30:06 -0600
Subject: [PATCH 0573/1326] Remove HB_TAG_CHAR4

---
 src/hb-common.cc  | 2 +-
 src/hb-ot-tag.cc  | 2 +-
 src/hb-private.hh | 5 -----
 3 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 2f9b3b853..5c4a2c76f 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -85,7 +85,7 @@ hb_tag_from_string (const char *str, int len)
   for (; i < 4; i++)
     tag[i] = ' ';
 
-  return HB_TAG_CHAR4 (tag);
+  return HB_TAG (tag[0], tag[1], tag[2], tag[3]);
 }
 
 /**
diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index dbec68c74..0514c41a3 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -925,7 +925,7 @@ hb_ot_tag_from_language (hb_language_t language)
     if (i) {
       for (; i < 4; i++)
 	tag[i] = ' ';
-      return HB_TAG_CHAR4 (tag);
+      return HB_TAG (tag[0], tag[1], tag[2], tag[3]);
     }
   }
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 6d54eef56..9acc0e79a 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -646,11 +646,6 @@ static inline unsigned char TOUPPER (unsigned char c)
 static inline unsigned char TOLOWER (unsigned char c)
 { return (c >= 'A' && c <= 'Z') ? c - 'A' + 'a' : c; }
 
-#define HB_TAG_CHAR4(s)   (HB_TAG(((const char *) s)[0], \
-				  ((const char *) s)[1], \
-				  ((const char *) s)[2], \
-				  ((const char *) s)[3]))
-
 
 /* C++ helpers */
 

From 7ce9f397d1e5fe68c49375ad904d4fce2c7ccc0a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 15:34:01 -0600
Subject: [PATCH 0574/1326] Rename hb-sort-r.hh -> hb-dsalgs.hh

---
 src/Makefile.sources               |  2 +-
 src/{hb-sort-r.hh => hb-dsalgs.hh} | 14 +++++++-------
 src/hb-ot-post-table.hh            |  2 +-
 3 files changed, 9 insertions(+), 9 deletions(-)
 rename src/{hb-sort-r.hh => hb-dsalgs.hh} (94%)

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 578752131..67a3ff6b3 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -9,6 +9,7 @@ HB_BASE_sources = \
 	hb-buffer-serialize.cc \
 	hb-buffer.cc \
 	hb-common.cc \
+	hb-dsalgs.hh \
 	hb-face-private.hh \
 	hb-face.cc \
 	hb-font-private.hh \
@@ -40,7 +41,6 @@ HB_BASE_sources = \
 	hb-shaper-impl-private.hh \
 	hb-shaper-private.hh \
 	hb-shaper.cc \
-	hb-sort-r.hh \
 	hb-string-array.hh \
 	hb-unicode-private.hh \
 	hb-unicode.cc \
diff --git a/src/hb-sort-r.hh b/src/hb-dsalgs.hh
similarity index 94%
rename from src/hb-sort-r.hh
rename to src/hb-dsalgs.hh
index b4c3c91de..e41384754 100644
--- a/src/hb-sort-r.hh
+++ b/src/hb-dsalgs.hh
@@ -24,17 +24,17 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifndef HB_SORT_R_HH
-#define HB_SORT_R_HH
+#ifndef HB_DSALGS_HH
+#define HB_DSALGS_HH
 
 #include "hb-private.hh"
 
 
 static inline void *
-hb_bsearch_r(const void *key, const void *base,
-	     size_t nmemb, size_t size,
-	     int (*compar)(const void *_key, const void *_item, void *_arg),
-	     void *arg)
+hb_bsearch_r (const void *key, const void *base,
+	      size_t nmemb, size_t size,
+	      int (*compar)(const void *_key, const void *_item, void *_arg),
+	      void *arg)
 {
   int min = 0, max = (int) nmemb - 1;
   while (min <= max)
@@ -158,4 +158,4 @@ static inline void hb_sort_r(void *base, size_t nel, size_t width,
     sort_r_simple(base, nel, width, compar, arg);
 }
 
-#endif /* HB_SORT_R_HH */
+#endif /* HB_DSALGS_HH */
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 580a6a92c..01d626bf1 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -28,7 +28,7 @@
 #define HB_OT_POST_TABLE_HH
 
 #include "hb-open-type-private.hh"
-#include "hb-sort-r.hh"
+#include "hb-dsalgs.hh"
 
 #define HB_STRING_ARRAY_NAME format1_names
 #define HB_STRING_ARRAY_LIST "hb-ot-post-macroman.hh"

From 5f047113142349ecf0dd6d00384f7ef7b3d1a85e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 18:10:40 -0600
Subject: [PATCH 0575/1326] Fix HeadlessArrayOf::sanitize_shallow()

---
 src/hb-open-type-private.hh | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index a49071d29..7a62dcb84 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1012,12 +1012,6 @@ struct HeadlessArrayOf
     return_trace (true);
   }
 
-  inline bool sanitize_shallow (hb_sanitize_context_t *c) const
-  {
-    return c->check_struct (this)
-	&& c->check_array (this, Type::static_size, len);
-  }
-
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -1035,6 +1029,15 @@ struct HeadlessArrayOf
     return_trace (true);
   }
 
+  private:
+  inline bool sanitize_shallow (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  (!len || c->check_array (array, Type::static_size, len - 1)));
+  }
+
+  public:
   LenType len;
   Type array[VAR];
   public:

From aca378f51ecf682ea1454071f671bbc7eef808bd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 18:11:10 -0600
Subject: [PATCH 0576/1326] Sanitize (Headless)ArrayOf()::len to ensure it
 doesn't use offsets

---
 src/hb-open-type-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 7a62dcb84..e41e7451f 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -946,7 +946,7 @@ struct ArrayOf
   inline bool sanitize_shallow (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && c->check_array (array, Type::static_size, len));
+    return_trace (len.sanitize (c) && c->check_array (array, Type::static_size, len));
   }
 
   public:
@@ -1033,7 +1033,7 @@ struct HeadlessArrayOf
   inline bool sanitize_shallow (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
+    return_trace (len.sanitize (c) &&
 		  (!len || c->check_array (array, Type::static_size, len - 1)));
   }
 

From b0e33da02d062200dd41e4503ecc21fb4bd636e6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 20:05:37 -0600
Subject: [PATCH 0577/1326] Add BinSearchArrayOf<>

---
 src/hb-open-file-private.hh | 25 +++++++++++--------------
 src/hb-open-type-private.hh | 33 ++++++++++++++++++++++++++++++++-
 src/hb-ot-font.cc           |  2 +-
 3 files changed, 44 insertions(+), 16 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index dcfdfd6ca..77caddd27 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -73,10 +73,9 @@ typedef struct OffsetTable
   friend struct OpenTypeFontFile;
 
   inline unsigned int get_table_count (void) const
-  { return numTables; }
+  { return tables.len; }
   inline const TableRecord& get_table (unsigned int i) const
   {
-    if (unlikely (i >= numTables)) return Null(TableRecord);
     return tables[i];
   }
   inline unsigned int get_table_tags (unsigned int start_offset,
@@ -85,26 +84,27 @@ typedef struct OffsetTable
   {
     if (table_count)
     {
-      if (start_offset >= numTables)
+      if (start_offset >= tables.len)
         *table_count = 0;
       else
-        *table_count = MIN (*table_count, numTables - start_offset);
+        *table_count = MIN (*table_count, tables.len - start_offset);
 
-      const TableRecord *sub_tables = tables + start_offset;
+      const TableRecord *sub_tables = tables.array + start_offset;
       unsigned int count = *table_count;
       for (unsigned int i = 0; i < count; i++)
 	table_tags[i] = sub_tables[i].tag;
     }
-    return numTables;
+    return tables.len;
   }
   inline bool find_table_index (hb_tag_t tag, unsigned int *table_index) const
   {
     Tag t;
     t.set (tag);
-    unsigned int count = numTables;
+    unsigned int count = tables.len;
+    /* TODO bsearch() */
     for (unsigned int i = 0; i < count; i++)
     {
-      if (t == tables[i].tag)
+      if (t == tables.array[i].tag)
       {
         if (table_index) *table_index = i;
         return true;
@@ -124,16 +124,13 @@ typedef struct OffsetTable
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && c->check_array (tables, TableRecord::static_size, numTables));
+    return_trace (c->check_struct (this) && tables.sanitize (c));
   }
 
   protected:
   Tag		sfnt_version;	/* '\0\001\0\00' if TrueType / 'OTTO' if CFF */
-  USHORT	numTables;	/* Number of tables. */
-  USHORT	searchRangeZ;	/* (Maximum power of 2 <= numTables) x 16 */
-  USHORT	entrySelectorZ;	/* Log2(maximum power of 2 <= numTables). */
-  USHORT	rangeShiftZ;	/* NumTables x 16-searchRange. */
-  TableRecord	tables[VAR];	/* TableRecord entries. numTables items */
+  BinSearchArrayOf<TableRecord>
+		tables;
   public:
   DEFINE_SIZE_ARRAY (12, tables);
 } OpenTypeFontFace;
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index e41e7451f..90db791ee 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1045,7 +1045,9 @@ struct HeadlessArrayOf
 };
 
 
-/* An array with sorted elements.  Supports binary searching. */
+/*
+ * An array with sorted elements.  Supports binary searching.
+ */
 template <typename Type, typename LenType=USHORT>
 struct SortedArrayOf : ArrayOf<Type, LenType>
 {
@@ -1070,6 +1072,35 @@ struct SortedArrayOf : ArrayOf<Type, LenType>
   }
 };
 
+/*
+ * Binary-search arrays
+ */
+
+struct BinSearchHeader
+{
+  inline operator uint32_t (void) const { return len; }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  protected:
+  USHORT	len;
+  USHORT	searchRangeZ;
+  USHORT	entrySelectorZ;
+  USHORT	rangeShiftZ;
+
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
+template <typename Type>
+struct BinSearchArrayOf : SortedArrayOf<Type, BinSearchHeader>
+{
+};
+
 
 /* Lazy struct and blob loaders. */
 
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 5759a30d3..38f614935 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -37,8 +37,8 @@
 #include "hb-ot-hhea-table.hh"
 #include "hb-ot-hmtx-table.hh"
 #include "hb-ot-os2-table.hh"
-#include "hb-ot-var-hvar-table.hh"
 #include "hb-ot-post-table.hh"
+#include "hb-ot-var-hvar-table.hh"
 
 
 struct hb_ot_face_metrics_accelerator_t

From 6c04dcb28dcafc7d97799c80c0bc714c76d51d1c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 20:11:00 -0600
Subject: [PATCH 0578/1326] Use bsearch() for large SFNT table directories

---
 src/hb-open-file-private.hh | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 77caddd27..a6d5a6b15 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -53,6 +53,9 @@ struct TTCHeader;
 
 typedef struct TableRecord
 {
+  int cmp (Tag t) const
+  { return t.cmp (tag); }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -100,18 +103,12 @@ typedef struct OffsetTable
   {
     Tag t;
     t.set (tag);
-    unsigned int count = tables.len;
-    /* TODO bsearch() */
-    for (unsigned int i = 0; i < count; i++)
-    {
-      if (t == tables.array[i].tag)
-      {
-        if (table_index) *table_index = i;
-        return true;
-      }
-    }
-    if (table_index) *table_index = Index::NOT_FOUND_INDEX;
-    return false;
+    /* Linear-search for small tables to work around fonts with unsorted
+     * table list. */
+    int i = tables.len < 64 ? tables.lsearch (t) : tables.bsearch (t);
+    if (table_index)
+      *table_index = i == -1 ? Index::NOT_FOUND_INDEX : (unsigned int) i;
+    return i != -1;
   }
   inline const TableRecord& get_table_by_tag (hb_tag_t tag) const
   {

From 92bb5086424d7454d666732e39117a7d32490646 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 31 Oct 2017 22:58:03 -0600
Subject: [PATCH 0579/1326] [indic] Use mutable for virama_glyph

---
 src/hb-ot-shape-complex-indic.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 0cb326aa8..f17a974d1 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -508,7 +508,7 @@ struct indic_shape_plan_t
 
       /* Our get_nominal_glyph() function needs a font, so we can't get the virama glyph
        * during shape planning...  Instead, overwrite it here.  It's safe.  Don't worry! */
-      (const_cast<indic_shape_plan_t *> (this))->virama_glyph = glyph;
+      virama_glyph = glyph;
     }
 
     *pglyph = glyph;
@@ -518,7 +518,7 @@ struct indic_shape_plan_t
   const indic_config_t *config;
 
   bool is_old_spec;
-  hb_codepoint_t virama_glyph;
+  mutable hb_codepoint_t virama_glyph;
 
   would_substitute_feature_t rphf;
   would_substitute_feature_t pref;

From 65d4e5bcda543c17e09867418365ba44b441d5d6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Nov 2017 01:15:27 -0600
Subject: [PATCH 0580/1326] [CircleCI] Ignore gh-pages branch

https://github.com/behdad/harfbuzz/pull/592
---
 .circleci/config.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7135b853e..d4835e443 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,4 +1,8 @@
 version: 2
+
+branches:
+  ignore:
+      - gh-pages
 jobs:
 
   base:

From 102f5ead493ad2eac6c11c3fc8f2e793d3d57058 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 1 Nov 2017 02:10:18 -0700
Subject: [PATCH 0581/1326] Enable PSVita (arm-none-eabi) compile again and add
 it to CI (#594)

---
 .circleci/config.yml        | 17 ++++++++++++++---
 src/hb-buffer-private.hh    |  2 +-
 src/hb-buffer.cc            |  4 ++--
 src/hb-open-file-private.hh |  2 +-
 4 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index d4835e443..856359086 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,8 +1,5 @@
 version: 2
 
-branches:
-  ignore:
-      - gh-pages
 jobs:
 
   base:
@@ -13,6 +10,15 @@ jobs:
       - run: apt update && apt install ragel
       - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
 
+  psvita:
+    docker:
+      - image: dockcross/base
+    steps:
+      - checkout
+      - run: apt update && apt install ragel
+      - run: git clone https://github.com/vitasdk/vdpm && cd vdpm && ./bootstrap-vitasdk.sh
+      - run: cmake -Bbuild -H. -GNinja -DCMAKE_TOOLCHAIN_FILE=/usr/local/vitasdk/share/vita.toolchain.cmake && ninja -Cbuild
+
   android-arm:
     docker:
       - image: dockcross/android-arm
@@ -58,8 +64,13 @@ workflows:
   build:
     jobs:
       - base
+      - psvita
       - android-arm
       - browser-asmjs
       - linux-arm64
       - linux-mips
       - windows-x64
+
+branches:
+  ignore:
+      - gh-pages
diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 1aa87b65c..0b8d7c89f 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -311,7 +311,7 @@ struct hb_buffer_t {
 				     unsigned int cluster) const
   {
     for (unsigned int i = start; i < end; i++)
-      cluster = MIN (cluster, info[i].cluster);
+      cluster = MIN<unsigned int> (cluster, info[i].cluster);
     return cluster;
   }
   void
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 73b3e4bd5..f0791780b 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -554,7 +554,7 @@ hb_buffer_t::merge_clusters_impl (unsigned int start,
   unsigned int cluster = info[start].cluster;
 
   for (unsigned int i = start + 1; i < end; i++)
-    cluster = MIN (cluster, info[i].cluster);
+    cluster = MIN<unsigned int> (cluster, info[i].cluster);
 
   /* Extend end */
   while (end < len && info[end - 1].cluster == info[end].cluster)
@@ -585,7 +585,7 @@ hb_buffer_t::merge_out_clusters (unsigned int start,
   unsigned int cluster = out_info[start].cluster;
 
   for (unsigned int i = start + 1; i < end; i++)
-    cluster = MIN (cluster, out_info[i].cluster);
+    cluster = MIN<unsigned int> (cluster, out_info[i].cluster);
 
   /* Extend start */
   while (start && out_info[start - 1].cluster == out_info[start].cluster)
diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index a6d5a6b15..741e74ccc 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -90,7 +90,7 @@ typedef struct OffsetTable
       if (start_offset >= tables.len)
         *table_count = 0;
       else
-        *table_count = MIN (*table_count, tables.len - start_offset);
+        *table_count = MIN<unsigned int> (*table_count, tables.len - start_offset);
 
       const TableRecord *sub_tables = tables.array + start_offset;
       unsigned int count = *table_count;

From 33e62636f739680ffbc1875391f05e80039a3259 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 1 Nov 2017 03:05:46 -0700
Subject: [PATCH 0582/1326] [ci] Add FreeBSD9 (gcc4) (#595)

---
 .circleci/config.yml | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 856359086..336a200c9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,6 +2,14 @@ version: 2
 
 jobs:
 
+  freebsd9:
+    docker:
+      - image: donbowman/freebsd-cross-build
+    steps:
+      - checkout
+      - run: apt update && apt install -y pkg-config ragel
+      - run: ./autogen.sh --prefix=/freebsd --host=x86_64-pc-freebsd9 && make
+
   base:
     docker:
       - image: dockcross/base
@@ -63,6 +71,7 @@ workflows:
   version: 2
   build:
     jobs:
+      - freebsd9
       - base
       - psvita
       - android-arm
@@ -73,4 +82,4 @@ workflows:
 
 branches:
   ignore:
-      - gh-pages
+    - gh-pages

From afbfb9279cbebcd0a85ab2fcc822a3fdbb035272 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Mon, 30 Oct 2017 22:02:50 +0200
Subject: [PATCH 0583/1326] [test] Always use ft font funcs for these tests
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

These are CFF fonts and ot functions don’t support CFF glyph names yet.
The next commit will run all tests with ot functions.
---
 test/shaping/tests/indic-consonant-with-stacker.tests | 8 ++++----
 test/shaping/tests/indic-script-extensions.tests      | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/test/shaping/tests/indic-consonant-with-stacker.tests b/test/shaping/tests/indic-consonant-with-stacker.tests
index 8890570cf..6a6ea7c10 100644
--- a/test/shaping/tests/indic-consonant-with-stacker.tests
+++ b/test/shaping/tests/indic-consonant-with-stacker.tests
@@ -1,4 +1,4 @@
-fonts/sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf::U+0CF1,U+0C95:[uni0CF1=0+1129|uni0C95_uni0CCD.blwf=1+358]
-fonts/sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf::U+0CF2,U+0CAA:[uni0CF2=0+1539|uni0CAA_uni0CCD.blwf=1+245]
-fonts/sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf::U+0CF1:[uni0CF1=0+1129]
-fonts/sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf::U+0CF2:[uni0CF2=0+1539]
+fonts/sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf:--font-funcs=ft:U+0CF1,U+0C95:[uni0CF1=0+1129|uni0C95_uni0CCD.blwf=1+358]
+fonts/sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf:--font-funcs=ft:U+0CF2,U+0CAA:[uni0CF2=0+1539|uni0CAA_uni0CCD.blwf=1+245]
+fonts/sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf:--font-funcs=ft:U+0CF1:[uni0CF1=0+1129]
+fonts/sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf:--font-funcs=ft:U+0CF2:[uni0CF2=0+1539]
diff --git a/test/shaping/tests/indic-script-extensions.tests b/test/shaping/tests/indic-script-extensions.tests
index 2d15402e6..e336bfcc5 100644
--- a/test/shaping/tests/indic-script-extensions.tests
+++ b/test/shaping/tests/indic-script-extensions.tests
@@ -1,2 +1,2 @@
 fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf::U+0BA4,U+0BC6,U+1133C,U+0BAA,U+1133C,U+0BC6,U+1133C:[u0BC6=0+2093|u1133C=0+0|u0BA4=0+1863|u0BC6=3+2093|u1133C=3+0|u0BAA=3+1706|u1133C=3+0]
-fonts/sha1sum/b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf::U+0BAA,U+11301,U+11303:[uni0BAA=0+535|u11301=0+0|u11303=0+310]
+fonts/sha1sum/b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf:--font-funcs=ft:U+0BAA,U+11301,U+11303:[uni0BAA=0+535|u11301=0+0|u11303=0+310]

From 9234b364b178d44a11148d5c613169731667a2ae Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 1 Nov 2017 10:34:36 +0200
Subject: [PATCH 0584/1326] [test] Use ft functions for this test

https://github.com/behdad/harfbuzz/pull/590#issuecomment-340967271
---
 test/shaping/tests/vertical.tests | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/tests/vertical.tests b/test/shaping/tests/vertical.tests
index 3586080f8..e0b64d944 100644
--- a/test/shaping/tests/vertical.tests
+++ b/test/shaping/tests/vertical.tests
@@ -1,3 +1,3 @@
-fonts/sha1sum/191826b9643e3f124d865d617ae609db6a2ce203.ttf:--direction=t:U+300C:[uni300C.vert=0@-512,-578+0,-1024]
+fonts/sha1sum/191826b9643e3f124d865d617ae609db6a2ce203.ttf:--direction=t --font-funcs=ft:U+300C:[uni300C.vert=0@-512,-578+0,-1024]
 fonts/sha1sum/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ft:U+0041,U+0042:[gid1=0@-654,-2128+0,-2789|gid2=1@-665,-2125+0,-2789]
 fonts/sha1sum/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ot:U+0041,U+0042:[gid1=0@-654,-2189+0,-2789|gid2=1@-665,-2189+0,-2789]

From 70137e2b4b46918d9608f824a4b4b5cef2819158 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 1 Nov 2017 12:03:39 +0200
Subject: [PATCH 0585/1326] =?UTF-8?q?[test]=20We=20don=E2=80=99t=20care=20?=
 =?UTF-8?q?about=20glyph=20positions=20here?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Freetype and OT font functions give different positions for some glyphs
in this font (OT seems to be correct), but that is not what we are
interested in in this test.

See https://github.com/behdad/harfbuzz/pull/590#issuecomment-341045223.
---
 test/shaping/tests/cluster.tests | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/shaping/tests/cluster.tests b/test/shaping/tests/cluster.tests
index 24f04ddf1..19da4cab4 100644
--- a/test/shaping/tests/cluster.tests
+++ b/test/shaping/tests/cluster.tests
@@ -1,2 +1,2 @@
-fonts/sha1sum/6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf:--cluster-level=2:U+0078,U+030A,U+0058,U+030A:[gid2=0+1083|gid4=1@-555,-8+0|gid1=2+1200|gid4=3@-614,349+0]
-fonts/sha1sum/43ef465752be9af900745f72fe29cb853a1401a5.ttf:--cluster-level=1:U+05D4,U+05B7,U+05E9,U+05BC,U+05C1,U+05B8,U+05DE,U+05B4,U+05DD:[uni05DD=8+1359|uni05B4=7@111,0+0|uni05DE=6+1391|uni05B8=5+0|uni05BC=3+0|uni05C1=3+0|uni05E9=2+1451|uni05B7=1@28,0+0|uni05D4=0+1338]
+fonts/sha1sum/6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf:--cluster-level=2 --no-positions:U+0078,U+030A,U+0058,U+030A:[gid2=0|gid4=1|gid1=2|gid4=3]
+fonts/sha1sum/43ef465752be9af900745f72fe29cb853a1401a5.ttf:--cluster-level=1 --no-positions:U+05D4,U+05B7,U+05E9,U+05BC,U+05C1,U+05B8,U+05DE,U+05B4,U+05DD:[uni05DD=8|uni05B4=7|uni05DE=6|uni05B8=5|uni05BC=3|uni05C1=3|uni05E9=2|uni05B7=1|uni05D4=0]

From f1245013bf7e9d490b43d9b8bebd467b2c1d14cc Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 1 Nov 2017 12:06:59 +0200
Subject: [PATCH 0586/1326] [test] Run shaping tests with both ot and ft funcs

---
 test/shaping/run-tests.sh | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/test/shaping/run-tests.sh b/test/shaping/run-tests.sh
index a7d331aa2..bb1ba80e8 100755
--- a/test/shaping/run-tests.sh
+++ b/test/shaping/run-tests.sh
@@ -27,18 +27,29 @@ for f in "$@"; do
 			continue
 		fi
 		$reference || echo "hb-shape $fontfile $options --unicodes $unicodes"
-		glyphs=`$hb_shape "$srcdir/$fontfile" $options --unicodes "$unicodes"`
+		glyphs1=`$hb_shape --font-funcs=ft "$srcdir/$fontfile" $options --unicodes "$unicodes"`
 		if test $? != 0; then
-			echo "hb-shape failed." >&2
+			echo "hb-shape --font-funcs=ft failed." >&2
 			fails=$((fails+1))
 			#continue
 		fi
+		glyphs2=`$hb_shape --font-funcs=ot "$srcdir/$fontfile" $options --unicodes "$unicodes"`
+		if test $? != 0; then
+			echo "hb-shape --font-funcs=ot failed." >&2
+			fails=$((fails+1))
+			#continue
+		fi
+		if ! test "x$glyphs1" = "x$glyphs2"; then
+			echo "FT funcs: $glyphs1" >&2
+			echo "OT funcs: $glyphs2" >&2
+			fails=$((fails+1))
+		fi
 		if $reference; then
-			echo "$fontfile:$options:$unicodes:$glyphs"
+			echo "$fontfile:$options:$unicodes:$glyphs1"
 			continue
 		fi
-		if ! test "x$glyphs" = "x$glyphs_expected"; then
-			echo "Actual:   $glyphs" >&2
+		if ! test "x$glyphs1" = "x$glyphs_expected"; then
+			echo "Actual:   $glyphs1" >&2
 			echo "Expected: $glyphs_expected" >&2
 			fails=$((fails+1))
 		fi

From 0b8f8dd869212ed2889cbdb79c4c4b639b8eff7a Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 1 Nov 2017 20:33:43 +0200
Subject: [PATCH 0587/1326] =?UTF-8?q?Revert=20"[test]=20We=20don=E2=80=99t?=
 =?UTF-8?q?=20care=20about=20glyph=20positions=20here"?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This reverts commit 70137e2b4b46918d9608f824a4b4b5cef2819158.
---
 test/shaping/tests/cluster.tests | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/shaping/tests/cluster.tests b/test/shaping/tests/cluster.tests
index 19da4cab4..24f04ddf1 100644
--- a/test/shaping/tests/cluster.tests
+++ b/test/shaping/tests/cluster.tests
@@ -1,2 +1,2 @@
-fonts/sha1sum/6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf:--cluster-level=2 --no-positions:U+0078,U+030A,U+0058,U+030A:[gid2=0|gid4=1|gid1=2|gid4=3]
-fonts/sha1sum/43ef465752be9af900745f72fe29cb853a1401a5.ttf:--cluster-level=1 --no-positions:U+05D4,U+05B7,U+05E9,U+05BC,U+05C1,U+05B8,U+05DE,U+05B4,U+05DD:[uni05DD=8|uni05B4=7|uni05DE=6|uni05B8=5|uni05BC=3|uni05C1=3|uni05E9=2|uni05B7=1|uni05D4=0]
+fonts/sha1sum/6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf:--cluster-level=2:U+0078,U+030A,U+0058,U+030A:[gid2=0+1083|gid4=1@-555,-8+0|gid1=2+1200|gid4=3@-614,349+0]
+fonts/sha1sum/43ef465752be9af900745f72fe29cb853a1401a5.ttf:--cluster-level=1:U+05D4,U+05B7,U+05E9,U+05BC,U+05C1,U+05B8,U+05DE,U+05B4,U+05DD:[uni05DD=8+1359|uni05B4=7@111,0+0|uni05DE=6+1391|uni05B8=5+0|uni05BC=3+0|uni05C1=3+0|uni05E9=2+1451|uni05B7=1@28,0+0|uni05D4=0+1338]

From 0e63cbed9cceb1d0238974ddfa9bc68d25d9c616 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 1 Nov 2017 20:49:42 +0200
Subject: [PATCH 0588/1326] [test] Fix difference between ft and ot font funcs

See https://github.com/behdad/harfbuzz/pull/590#issuecomment-341194673.

I simply removed the composite glyph and use the referenced simple
glyph directly.
---
 .../4fac3929fc3332834e93673780ec0fe94342d193.ttf  | Bin 0 -> 804 bytes
 .../6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf  | Bin 824 -> 0 bytes
 test/shaping/tests/cluster.tests                  |   2 +-
 3 files changed, 1 insertion(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/4fac3929fc3332834e93673780ec0fe94342d193.ttf
 delete mode 100644 test/shaping/fonts/sha1sum/6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf

diff --git a/test/shaping/fonts/sha1sum/4fac3929fc3332834e93673780ec0fe94342d193.ttf b/test/shaping/fonts/sha1sum/4fac3929fc3332834e93673780ec0fe94342d193.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..0f691e1da700208fbe21b1e5ee2d30610fd084f8
GIT binary patch
literal 804
zcmZuvO-NKx7(MsC`<&;DR)qOO;NPSWEk<Xi!O%%v83s+{MsQJ2of#!Zr~GN8j9Lg4
z32usTQQHYxM1;6-V}ctQVipyxY7w=KFvxP=>)e@vHr=0hzjN;Qo%?<FJ_rCl+<}3P
z*iaz2-}3k(AiBt28B5t|JTzVqXNh}~_G}s+b{O@<RmrKvglF&8BKN-&?@Yw)@jv&5
z9?{<9j7*TI?sd=8-s3zmk($d?Z^#k)KOsIcH8W=8E~3O=h`lL0lZF=!#9F_3+D^rd
ztG-i!+#o)io|&C<Cy^ljrT3w87gae=TR3$2aL-TpEE2%hTKI=v-#6{VKuTpR?h{r*
zYL<<0)=GgjsT{0>yvi1pN_(ZRDl!W7<rsa^zh=->YD28T1k5!vM9HSoYUGiSu%z^v
zQkhCh^%>IbL&jyyNi8uDiw&R;!-lt%gS8@uS<16dA1FF#uG6KN>N#wwm#|bf+Nho)
zEBHn_k18m1aJATVMZ?G#URUdvE%&+m;9$S#OS0S=dCz0CMd?O(jt^+@3&9c6LuK>M
zl5=BQe09#`L_$oyaeCy<!m|7=Hw)V`S~$m8=A!D<ppGqv>3F|*<t*pKaZ$hPEQ{5g
z^Ulfd%1+tfjEbj)Z-uvF-5G=wDfQ6^@GX3(V|-18zqS2zI1&ohdcy7g){0{_wV`0d
z2rMO%nM^W%`&xfzu)n)2)N8(uFU*gR&M(-JXf(oEtVyC#--xPYUPsB4Y>7ie7chf4
k&Snh3#x!Pe32`Jbk168oMem}Bo6!H$e;c2XPv^q;3qX;aPXGV_

literal 0
HcmV?d00001

diff --git a/test/shaping/fonts/sha1sum/6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf b/test/shaping/fonts/sha1sum/6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf
deleted file mode 100644
index 33c4229cb1c324ac04f98f158bd645a8b1686a66..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 824
zcmZvaO-NKx7>3_-?!7wB3>M-~5!mFU5C!Ut4TVlAEexRq4RV)vbY_$so${v%F>)bc
zG$7VW!nO)Qe<CehWVXtN7%0j`6oIv97X&hP@9jN0o1$~>`FXy3-t&FmIR^rO2REUi
zuD!E1u=V=x89>(2+TD{dlSpe1$us1pxH+6eAuF_FWN&=ndaUfptxue<uzl={n!Q`E
z%sYU1K@RoNQ2a=4Qtu@n?n{iMN-m0V{@)^(4h;2}n8YG^iR?|7sU#w5F7A<igJvSC
zUG^NM{tfw5a%gzO=|_zI)qXw*xBz{@SY`$|<QIZpP<{GB)}FAht%+~;$&84J{+D)>
z9Ji)qPOeyMGHjitwwl@sy-jKJGNt#6r}k7v91#1~?I|&nvESR-by+X>+YvEueYf6<
zWxEYhB=ilfwqTm-3hGM>{8cr_8$!WAd0|71zp9|Dv^*FHX|)rvcq$c--ni0IA82Vj
z5j<@yMaM>aBco$xC>##4IgaDgH}JJ!dT${#>lrgscVdVRTtGLB9iky$v^-ZLj2;Z^
zknm<UOLFHf?P>Z2508Xpb*|y38nZv%-QP}IS@*0fLM(z*R%V{Ts{R-*y%E*=yhs3!
zI#0OL)&k&O-cIKx-LwDrW>nDi=VFE<j5#C7P!H~oS{5-0my{ku>V__*{sq!$M#`bH
zBg$iIdwVOI>Brjj;Y!Ocx_t2Y1EXo<9fCKivlo1e>IA$b^$uOED(WtzG`FMn%g>xe
z=l1X1UolElDz#ojYYA8G&LxUT=P`s4HXk}+Vi3dVKooI|@)S*6-C50!5ysRT`)^^2
IOv{1x2THxLKmY&$

diff --git a/test/shaping/tests/cluster.tests b/test/shaping/tests/cluster.tests
index 24f04ddf1..29580bfd3 100644
--- a/test/shaping/tests/cluster.tests
+++ b/test/shaping/tests/cluster.tests
@@ -1,2 +1,2 @@
-fonts/sha1sum/6466d38c62e73a39202435a4f73bf5d6acbb73c0.ttf:--cluster-level=2:U+0078,U+030A,U+0058,U+030A:[gid2=0+1083|gid4=1@-555,-8+0|gid1=2+1200|gid4=3@-614,349+0]
+fonts/sha1sum/4fac3929fc3332834e93673780ec0fe94342d193.ttf:--cluster-level=2:U+0078,U+030A,U+0058,U+030A:[gid2=0+1083|gid3=1@-1131,-8+0|gid1=2+1200|gid3=3@-1190,349+0]
 fonts/sha1sum/43ef465752be9af900745f72fe29cb853a1401a5.ttf:--cluster-level=1:U+05D4,U+05B7,U+05E9,U+05BC,U+05C1,U+05B8,U+05DE,U+05B4,U+05DD:[uni05DD=8+1359|uni05B4=7@111,0+0|uni05DE=6+1391|uni05B8=5+0|uni05BC=3+0|uni05C1=3+0|uni05E9=2+1451|uni05B7=1@28,0+0|uni05D4=0+1338]

From 260246a279699d313a45583c6a61e4bab717f739 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 1 Nov 2017 14:10:55 -0700
Subject: [PATCH 0589/1326] [ci] Add Fedora builder (#598)

---
 .circleci/config.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 336a200c9..630ab0b68 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,6 +2,14 @@ version: 2
 
 jobs:
 
+  fedora:
+    docker:
+      - image: fedora
+    steps:
+      - checkout
+      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel || true
+      - run: ./autogen.sh && make && make check
+
   freebsd9:
     docker:
       - image: donbowman/freebsd-cross-build
@@ -71,6 +79,7 @@ workflows:
   version: 2
   build:
     jobs:
+      - fedora
       - freebsd9
       - base
       - psvita

From 292ef2675edb2cb579210183e77ac30335318a21 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 1 Nov 2017 16:24:46 -0700
Subject: [PATCH 0590/1326] [ci] minor cleanup (#600)

---
 .circleci/config.yml | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 630ab0b68..456d65903 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -88,7 +88,3 @@ workflows:
       - linux-arm64
       - linux-mips
       - windows-x64
-
-branches:
-  ignore:
-    - gh-pages

From 2a16f647ae4c5115a356ba82245c77e0d01fcebf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Nov 2017 17:31:29 -0600
Subject: [PATCH 0591/1326] [kern] Start implementing kern table

Pushing this out early to catch bot errors since I'm using template tricks
we were not using in HarfBuzz before.
---
 src/Makefile.sources    |   1 +
 src/hb-ot-font.cc       |   1 +
 src/hb-ot-kern-table.hh | 184 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 186 insertions(+)
 create mode 100644 src/hb-ot-kern-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 67a3ff6b3..f178fa415 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -24,6 +24,7 @@ HB_BASE_sources = \
 	hb-ot-head-table.hh \
 	hb-ot-hhea-table.hh \
 	hb-ot-hmtx-table.hh \
+	hb-ot-kern-table.hh \
 	hb-ot-maxp-table.hh \
 	hb-ot-name-table.hh \
 	hb-ot-os2-table.hh \
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 38f614935..9d420eed1 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -36,6 +36,7 @@
 #include "hb-ot-head-table.hh"
 #include "hb-ot-hhea-table.hh"
 #include "hb-ot-hmtx-table.hh"
+#include "hb-ot-kern-table.hh"
 #include "hb-ot-os2-table.hh"
 #include "hb-ot-post-table.hh"
 #include "hb-ot-var-hvar-table.hh"
diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
new file mode 100644
index 000000000..b3de99cec
--- /dev/null
+++ b/src/hb-ot-kern-table.hh
@@ -0,0 +1,184 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_KERN_TABLE_HH
+#define HB_OT_KERN_TABLE_HH
+
+#include "hb-open-type-private.hh"
+
+namespace OT {
+
+
+/*
+ * kern -- Kerning
+ */
+
+#define HB_OT_TAG_kern HB_TAG('k','e','r','n')
+
+
+
+template <typename T>
+struct KernSubTableWrapper
+{
+  /* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
+  inline const T* thiz (void) const { return static_cast<const T *> (this); }
+  inline T* thiz (void) { return static_cast<T *> (this); }
+
+  inline unsigned int get_size (void) const { return thiz()->length; }
+  inline const void *get_data (void) const { return thiz()->data; }
+  inline unsigned int get_format (void) const { return thiz()->format; }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!c->check_struct (thiz()) ||
+		  get_size () < thiz()->min_size ||
+		  !c->check_array (thiz(), 1, get_size ())))
+      return_trace (false);
+
+    /* XXX */
+
+    return_trace (true);
+  }
+};
+
+template <typename T>
+struct KernTable
+{
+  /* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
+  inline const T* thiz (void) const { return static_cast<const T *> (this); }
+  inline T* thiz (void) { return static_cast<T *> (this); }
+
+  inline unsigned int get_num_tables (void) const { return thiz()->nTables; }
+  inline const void *get_data (void) const { return thiz()->data; }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!c->check_struct (thiz()) ||
+		  thiz()->version != T::VERSION))
+      return_trace (false);
+
+    const typename T::SubTableWrapper *st = CastP<typename T::SubTableWrapper> (get_data ());
+    unsigned int count = get_num_tables ();
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (unlikely (!st->sanitize (c)))
+	return_trace (false);
+      st = &StructAfter<typename T::SubTableWrapper> (*st);
+    }
+
+    return_trace (true);
+  }
+};
+
+struct KernOT : KernTable<KernOT>
+{
+  friend struct KernTable;
+
+  static const uint16_t VERSION = 0x0000u;
+
+  struct SubTableWrapper : KernSubTableWrapper<SubTableWrapper>
+  {
+    friend struct KernSubTableWrapper;
+
+    protected:
+    USHORT	versionZ;	/* Unused. */
+    USHORT	length;		/* Length of the subtable (including this header). */
+    BYTE	format;		/* Subtable format. */
+    BYTE	coverage;	/* Coverage bits. */
+    BYTE	data[VAR];	/* Subtable data. */
+    public:
+    DEFINE_SIZE_ARRAY (6, data);
+  };
+
+  protected:
+  USHORT	version;	/* Version--0x0000u */
+  USHORT	nTables;	/* Number of subtables in the kerning table. */
+  BYTE		data[VAR];
+  public:
+  DEFINE_SIZE_ARRAY (4, data);
+};
+
+struct KernAAT : KernTable<KernAAT>
+{
+  friend struct KernTable;
+
+  static const uint32_t VERSION = 0x00010000u;
+
+  struct SubTableWrapper : KernSubTableWrapper<SubTableWrapper>
+  {
+    friend struct KernSubTableWrapper;
+
+    protected:
+    ULONG	length;		/* Length of the subtable (including this header). */
+    BYTE	coverage;	/* Coverage bits. */
+    BYTE	format;		/* Subtable format. */
+    USHORT	tupleIndex;	/* The tuple index (used for variations fonts).
+				 * This value specifies which tuple this subtable covers. */
+    BYTE	data[VAR];	/* Subtable data. */
+    public:
+    DEFINE_SIZE_ARRAY (8, data);
+  };
+
+  protected:
+  ULONG		version;	/* Version--0x00010000u */
+  ULONG		nTables;	/* Number of subtables in the kerning table. */
+  BYTE		data[VAR];
+  public:
+  DEFINE_SIZE_ARRAY (8, data);
+};
+
+struct kern
+{
+  static const hb_tag_t tableTag = HB_OT_TAG_kern;
+
+  private:
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!u.major.sanitize (c)) return_trace (false);
+    switch (u.major) {
+    case 0: return_trace (u.ot.sanitize (c));
+    case 1: return_trace (u.aat.sanitize (c));
+    default:return_trace (true);
+    }
+  }
+
+  protected:
+  union {
+  USHORT		major;
+  KernOT		ot;
+  KernAAT		aat;
+  } u;
+  public:
+  DEFINE_SIZE_UNION (2, major);
+};
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_KERN_TABLE_HH */

From ac3d937c6cb0e2c7e019aa391b02da25aa6970de Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Nov 2017 17:54:56 -0600
Subject: [PATCH 0592/1326] [kern] Implement some more

---
 src/hb-ot-kern-table.hh | 98 ++++++++++++++++++++++++++++++++---------
 1 file changed, 77 insertions(+), 21 deletions(-)

diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index b3de99cec..37658ab2d 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -39,29 +39,89 @@ namespace OT {
 #define HB_OT_TAG_kern HB_TAG('k','e','r','n')
 
 
+struct KernSubTableFormat0
+{
+  inline unsigned int get_size (void) const
+  {
+    /* XXX */
+    return 0;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+
+    /* XXX */
+
+    return_trace (true);
+  }
+};
+
+struct KernSubTableFormat2
+{
+  inline unsigned int get_size (void) const
+  {
+    /* XXX */
+    return 0;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+
+    /* XXX */
+
+    return_trace (true);
+  }
+};
+
+struct KernSubTable
+{
+  inline unsigned int get_size (unsigned int format) const
+  {
+    switch (format) {
+    case 0: return u.format0.get_size ();
+    case 2: return u.format2.get_size ();
+    default:return 0;
+    }
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int format) const
+  {
+    TRACE_SANITIZE (this);
+    switch (format) {
+    case 0: return_trace (u.format0.sanitize (c));
+    case 2: return_trace (u.format2.sanitize (c));
+    default:return_trace (true);
+    }
+  }
+
+  protected:
+  union {
+  KernSubTableFormat0	format0;
+  KernSubTableFormat2	format2;
+  } u;
+  public:
+  DEFINE_SIZE_MIN (0);
+};
+
 
 template <typename T>
 struct KernSubTableWrapper
 {
   /* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
   inline const T* thiz (void) const { return static_cast<const T *> (this); }
-  inline T* thiz (void) { return static_cast<T *> (this); }
 
   inline unsigned int get_size (void) const { return thiz()->length; }
-  inline const void *get_data (void) const { return thiz()->data; }
-  inline unsigned int get_format (void) const { return thiz()->format; }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    if (unlikely (!c->check_struct (thiz()) ||
-		  get_size () < thiz()->min_size ||
-		  !c->check_array (thiz(), 1, get_size ())))
-      return_trace (false);
-
-    /* XXX */
-
-    return_trace (true);
+    return_trace (c->check_struct (thiz()) &&
+		  thiz()->length >= thiz()->min_size &&
+		  c->check_array (thiz(), 1, thiz()->length) &&
+		  thiz()->subtable.sanitize (c, thiz()->format) &&
+		  thiz()->subtable.get_size (thiz()-> format) <= thiz()->length - thiz()->min_size);
   }
 };
 
@@ -70,10 +130,6 @@ struct KernTable
 {
   /* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
   inline const T* thiz (void) const { return static_cast<const T *> (this); }
-  inline T* thiz (void) { return static_cast<T *> (this); }
-
-  inline unsigned int get_num_tables (void) const { return thiz()->nTables; }
-  inline const void *get_data (void) const { return thiz()->data; }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -82,8 +138,8 @@ struct KernTable
 		  thiz()->version != T::VERSION))
       return_trace (false);
 
-    const typename T::SubTableWrapper *st = CastP<typename T::SubTableWrapper> (get_data ());
-    unsigned int count = get_num_tables ();
+    const typename T::SubTableWrapper *st = CastP<typename T::SubTableWrapper> (thiz()->data);
+    unsigned int count = thiz()->nTables;
     for (unsigned int i = 0; i < count; i++)
     {
       if (unlikely (!st->sanitize (c)))
@@ -110,9 +166,9 @@ struct KernOT : KernTable<KernOT>
     USHORT	length;		/* Length of the subtable (including this header). */
     BYTE	format;		/* Subtable format. */
     BYTE	coverage;	/* Coverage bits. */
-    BYTE	data[VAR];	/* Subtable data. */
+    KernSubTable subtable;	/* Subtable data. */
     public:
-    DEFINE_SIZE_ARRAY (6, data);
+    DEFINE_SIZE_MIN (6);
   };
 
   protected:
@@ -139,9 +195,9 @@ struct KernAAT : KernTable<KernAAT>
     BYTE	format;		/* Subtable format. */
     USHORT	tupleIndex;	/* The tuple index (used for variations fonts).
 				 * This value specifies which tuple this subtable covers. */
-    BYTE	data[VAR];	/* Subtable data. */
+    KernSubTable subtable;	/* Subtable data. */
     public:
-    DEFINE_SIZE_ARRAY (8, data);
+    DEFINE_SIZE_MIN (8);
   };
 
   protected:

From 4c43a23bf479b42d42192bab56df6075c8ae0090 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Nov 2017 18:12:26 -0600
Subject: [PATCH 0593/1326] [kern] Implement Format0

---
 src/hb-ot-kern-table.hh | 57 ++++++++++++++++++++++++++++++++++-------
 1 file changed, 48 insertions(+), 9 deletions(-)

diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index 37658ab2d..1d98d33d2 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -38,23 +38,62 @@ namespace OT {
 
 #define HB_OT_TAG_kern HB_TAG('k','e','r','n')
 
-
-struct KernSubTableFormat0
+struct hb_glyph_pair_t
 {
-  inline unsigned int get_size (void) const
+  hb_codepoint_t left;
+  hb_codepoint_t right;
+};
+
+struct KernPair
+{
+  inline int get_kerning (void) const
+  { return value; }
+
+  inline int cmp (const hb_glyph_pair_t &o) const
   {
-    /* XXX */
-    return 0;
+    int ret = left.cmp (o.left);
+    if (ret) return ret;
+    return right.cmp (o.right);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-
-    /* XXX */
-
-    return_trace (true);
+    return_trace (c->check_struct (this));
   }
+
+  protected:
+  GlyphID	left;
+  GlyphID	right;
+  FWORD		value;
+  public:
+  DEFINE_SIZE_STATIC (6);
+};
+
+struct KernSubTableFormat0
+{
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  {
+    hb_glyph_pair_t pair = {left, right};
+    int i = pairs.bsearch (pair);
+    if (i == -1)
+      return 0;
+    return pairs[i].get_kerning ();
+  }
+
+  inline unsigned int get_size (void) const
+  { return pairs.get_size (); }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (pairs.sanitize (c));
+  }
+
+  protected:
+  BinSearchArrayOf<KernPair> pairs;	/* Array of kerning pairs. */
+  public:
+  DEFINE_SIZE_ARRAY (8, pairs);
 };
 
 struct KernSubTableFormat2

From 2c439210c9734cd21b08beba07d21147a6eb6d8a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Nov 2017 18:13:35 -0600
Subject: [PATCH 0594/1326] [uniscribe] Fix a couple of VS warnings

---
 src/hb-uniscribe.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 93e338df4..b28e7f043 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -499,7 +499,7 @@ populate_log_font (LOGFONTW  *lf,
 		   unsigned int font_size)
 {
   memset (lf, 0, sizeof (*lf));
-  lf->lfHeight = -font_size;
+  lf->lfHeight = - (int) font_size;
   lf->lfCharSet = DEFAULT_CHARSET;
 
   hb_face_t *face = font->face;
@@ -858,7 +858,7 @@ retry:
   unsigned int glyphs_offset = 0;
   unsigned int glyphs_len;
   bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
-  for (unsigned int i = 0; i < item_count; i++)
+  for (int i = 0; i < item_count; i++)
   {
     unsigned int chars_offset = items[i].iCharPos;
     unsigned int item_chars_len = items[i + 1].iCharPos - chars_offset;

From 49c0f35580946c74bc64dae2d2c65c7834e46ab2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Nov 2017 18:16:07 -0600
Subject: [PATCH 0595/1326] [kern] See if this helps with making VS bot happy

---
 src/hb-ot-kern-table.hh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index 1d98d33d2..d8b0b406a 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -192,13 +192,13 @@ struct KernTable
 
 struct KernOT : KernTable<KernOT>
 {
-  friend struct KernTable;
+  friend struct KernTable<KernOT>;
 
   static const uint16_t VERSION = 0x0000u;
 
   struct SubTableWrapper : KernSubTableWrapper<SubTableWrapper>
   {
-    friend struct KernSubTableWrapper;
+    friend struct KernSubTableWrapper<SubTableWrapper>;
 
     protected:
     USHORT	versionZ;	/* Unused. */
@@ -220,13 +220,13 @@ struct KernOT : KernTable<KernOT>
 
 struct KernAAT : KernTable<KernAAT>
 {
-  friend struct KernTable;
+  friend struct KernTable<KernAAT>;
 
   static const uint32_t VERSION = 0x00010000u;
 
   struct SubTableWrapper : KernSubTableWrapper<SubTableWrapper>
   {
-    friend struct KernSubTableWrapper;
+    friend struct KernSubTableWrapper<SubTableWrapper>;
 
     protected:
     ULONG	length;		/* Length of the subtable (including this header). */

From 77acc1106e6d984ee74ec606e145f455e6e55509 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Nov 2017 19:33:09 -0600
Subject: [PATCH 0596/1326] [kern] More...

Almost there.
---
 src/hb-ot-font.cc       | 14 ++++++++
 src/hb-ot-kern-table.hh | 75 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 88 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 9d420eed1..59f6a71b7 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -471,6 +471,7 @@ struct hb_ot_font_t
   OT::hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
   OT::hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
   OT::hb_lazy_loader_t<hb_ot_face_post_accelerator_t> post;
+  OT::hb_lazy_table_loader_t<OT::kern> kern;
 };
 
 
@@ -489,6 +490,7 @@ _hb_ot_font_create (hb_face_t *face)
   ot_font->glyf.init (face);
   ot_font->cbdt.init (face);
   ot_font->post.init (face);
+  ot_font->kern.init (face);
 
   return ot_font;
 }
@@ -504,6 +506,7 @@ _hb_ot_font_destroy (void *data)
   ot_font->glyf.fini ();
   ot_font->cbdt.fini ();
   ot_font->post.fini ();
+  ot_font->kern.fini ();
 
   free (ot_font);
 }
@@ -553,6 +556,17 @@ hb_ot_get_glyph_v_advance (hb_font_t *font,
   return font->em_scale_y (-(int) ot_font->v_metrics.get_advance (glyph, font));
 }
 
+static hb_position_t
+hb_ot_get_glyph_h_kerning (hb_font_t *font,
+			   void *font_data,
+			   hb_codepoint_t left_glyph,
+			   hb_codepoint_t right_glyph,
+			   void *user_data HB_UNUSED)
+{
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  return font->em_scale_x (ot_font->kern->get_h_kerning (left_glyph, right_glyph));
+}
+
 static hb_bool_t
 hb_ot_get_glyph_extents (hb_font_t *font HB_UNUSED,
 			 void *font_data,
diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index d8b0b406a..2cab5cc9a 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -98,6 +98,12 @@ struct KernSubTableFormat0
 
 struct KernSubTableFormat2
 {
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  {
+    /* XXX */
+    return 0;
+  }
+
   inline unsigned int get_size (void) const
   {
     /* XXX */
@@ -116,6 +122,15 @@ struct KernSubTableFormat2
 
 struct KernSubTable
 {
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int format) const
+  {
+    switch (format) {
+    case 0: return u.format0.get_kerning (left, right);
+    case 2: return u.format2.get_kerning (left, right);
+    default:return 0;
+    }
+  }
+
   inline unsigned int get_size (unsigned int format) const
   {
     switch (format) {
@@ -151,6 +166,18 @@ struct KernSubTableWrapper
   /* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
   inline const T* thiz (void) const { return static_cast<const T *> (this); }
 
+  inline bool is_horizontal (void) const
+  { return (thiz()->coverage & T::COVERAGE_CHECK_FLAGS) == T::COVERAGE_CHECK_HORIZONTAL; }
+
+  inline bool is_override (void) const
+  { return bool (thiz()->coverage & T::COVERAGE_OVERRIDE_FLAG); }
+
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  { return thiz()->subtable.get_kerning (left, right, thiz()->format); }
+
+  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  { return is_horizontal () ? get_kerning (left, right) : 0; }
+
   inline unsigned int get_size (void) const { return thiz()->length; }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -170,6 +197,21 @@ struct KernTable
   /* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
   inline const T* thiz (void) const { return static_cast<const T *> (this); }
 
+  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  {
+    int v = 0;
+    const typename T::SubTableWrapper *st = CastP<typename T::SubTableWrapper> (thiz()->data);
+    unsigned int count = thiz()->nTables;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (st->is_override ())
+        v = 0;
+      v += st->get_h_kerning (left, right);
+      st = &StructAfter<typename T::SubTableWrapper> (*st);
+    }
+    return v;
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -200,6 +242,18 @@ struct KernOT : KernTable<KernOT>
   {
     friend struct KernSubTableWrapper<SubTableWrapper>;
 
+    enum coverage_flags_t {
+      COVERAGE_DIRECTION_FLAG	= 0x01u,
+      COVERAGE_MINIMUM_FLAG	= 0x02u,
+      COVERAGE_CROSSSTREAM_FLAG	= 0x04u,
+      COVERAGE_OVERRIDE_FLAG	= 0x08u,
+
+      COVERAGE_VARIATION_FLAG	= 0x00u, /* Not supported. */
+
+      COVERAGE_CHECK_FLAGS	= 0x07u,
+      COVERAGE_CHECK_HORIZONTAL	= 0x01u
+    };
+
     protected:
     USHORT	versionZ;	/* Unused. */
     USHORT	length;		/* Length of the subtable (including this header). */
@@ -228,6 +282,17 @@ struct KernAAT : KernTable<KernAAT>
   {
     friend struct KernSubTableWrapper<SubTableWrapper>;
 
+    enum coverage_flags_t {
+      COVERAGE_DIRECTION_FLAG	= 0x80u,
+      COVERAGE_CROSSSTREAM_FLAG	= 0x40u,
+      COVERAGE_VARIATION_FLAG	= 0x20u,
+
+      COVERAGE_OVERRIDE_FLAG	= 0x00u, /* Not supported. */
+
+      COVERAGE_CHECK_FLAGS	= 0xE0u,
+      COVERAGE_CHECK_HORIZONTAL	= 0x00u
+    };
+
     protected:
     ULONG	length;		/* Length of the subtable (including this header). */
     BYTE	coverage;	/* Coverage bits. */
@@ -251,7 +316,15 @@ struct kern
 {
   static const hb_tag_t tableTag = HB_OT_TAG_kern;
 
-  private:
+  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  {
+    switch (u.major) {
+    case 0: return u.ot.get_h_kerning (left, right);
+    case 1: return u.aat.get_h_kerning (left, right);
+    default:return 0;
+    }
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);

From 4b3278ef8dc71ad4f744d763068d9a2e02d3d75d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 1 Nov 2017 19:41:29 -0600
Subject: [PATCH 0597/1326] [ot] Hook up horizontal kerning to kern table

Seems to work.  Yay!

Still to do: run kerning if GPOS doesn't have 'kern' feature.
---
 src/hb-ot-font.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 59f6a71b7..d98960358 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -665,7 +665,7 @@ retry:
     hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ot_get_glyph_v_advance, nullptr, nullptr);
     //hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ot_get_glyph_h_origin, nullptr, nullptr);
     //hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ot_get_glyph_v_origin, nullptr, nullptr);
-    //hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ot_get_glyph_h_kerning, nullptr, nullptr); TODO
+    hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ot_get_glyph_h_kerning, nullptr, nullptr);
     //hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ot_get_glyph_v_kerning, nullptr, nullptr);
     hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);
     //hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr); TODO

From 1955cbecc98ee88ba8a62df1d8c77a09ed5d2c75 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 2 Nov 2017 04:55:46 -0700
Subject: [PATCH 0598/1326] Add a dummy CircleCI config to gh-pages branch
 (#602)

---
 docs/circle.yml | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 docs/circle.yml

diff --git a/docs/circle.yml b/docs/circle.yml
new file mode 100644
index 000000000..e3ffd2993
--- /dev/null
+++ b/docs/circle.yml
@@ -0,0 +1,3 @@
+test:
+  override:
+    - echo "test"

From d18ee5afe8b1992d234402cd71f809cd904113a5 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 2 Nov 2017 07:56:25 -0700
Subject: [PATCH 0599/1326] Copy dummy docs/circle.yml to gh-pages branch
 (#603)

---
 .ci/deploy-docs.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.ci/deploy-docs.sh b/.ci/deploy-docs.sh
index e4dbad44d..d647cb4d5 100755
--- a/.ci/deploy-docs.sh
+++ b/.ci/deploy-docs.sh
@@ -16,6 +16,7 @@ mkdir $DOCSDIR
 cd $DOCSDIR
 
 cp ../docs/html/* .
+cp ../docs/circle.yml .
 
 git init
 git config user.name "Travis CI"

From 4a591a0e515f5c15c807fe648c073d249820e5ec Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 2 Nov 2017 09:33:12 -0700
Subject: [PATCH 0600/1326] [ci] Add ArchLinux (#604)

---
 .circleci/config.yml | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 456d65903..7e06e55dd 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,8 +7,16 @@ jobs:
       - image: fedora
     steps:
       - checkout
-      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel || true
-      - run: ./autogen.sh && make && make check
+      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config || true
+      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 && make && make check
+
+  archlinux:
+    docker:
+      - image: base/devel
+    steps:
+      - checkout
+      - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel
+      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 && make && make check
 
   freebsd9:
     docker:
@@ -80,6 +88,7 @@ workflows:
   build:
     jobs:
       - fedora
+      - archlinux
       - freebsd9
       - base
       - psvita

From 97145df2496f90e1ea4a41784f3224c60e973fd4 Mon Sep 17 00:00:00 2001
From: Unknown <kunda@scribus.net>
Date: Fri, 3 Nov 2017 09:05:00 -0400
Subject: [PATCH 0601/1326] Trivial typos

Found using `codespell -i 3 -w -I '../harf-whitelist.txt'`
whereas the whitelist contents were:
```
beng
iff
pres
ot
te
teh
```
---
 NEWS                             | 2 +-
 src/hb-ot-shape-complex-indic.cc | 2 +-
 src/hb-ot-shape-fallback.cc      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/NEWS b/NEWS
index af27961e1..094094043 100644
--- a/NEWS
+++ b/NEWS
@@ -809,7 +809,7 @@ Wednesday, July 16, 2014
   U+FFFD REPLACEMENT CHARACTER now.
 - With all changes in this release, the buffer will contain fully
   valid Unicode after hb_buffer_add_utf8/16/32 no matter how
-  broken the input is.  This can be overriden though.  See below.
+  broken the input is.  This can be overridden though.  See below.
 - Fix Mongolian Variation Selectors for fonts without GDEF.
 - Fix minor invalid buffer access.
 - Accept zh-Hant and zh-Hans language tags.  hb_ot_tag_to_language()
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index f17a974d1..f7df985d1 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -692,7 +692,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   hb_glyph_info_t *info = buffer->info;
 
   /* https://github.com/behdad/harfbuzz/issues/435#issuecomment-335560167
-   * // For compatibility with legacy useage in Kannada,
+   * // For compatibility with legacy usage in Kannada,
    * // Ra+h+ZWJ must behave like Ra+ZWJ+h...
    */
   if (buffer->props.script == HB_SCRIPT_KANNADA &&
diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index 4da53f4cc..f3308847e 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -210,7 +210,7 @@ position_mark (const hb_ot_shape_plan_t *plan,
   pos.x_offset = pos.y_offset = 0;
 
 
-  /* We dont position LEFT and RIGHT marks. */
+  /* We don't position LEFT and RIGHT marks. */
 
   /* X positioning */
   switch (combining_class)

From 384862d7ee2e27e6678844feafab69f03f77ac9a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Nov 2017 16:31:47 -0400
Subject: [PATCH 0602/1326] Remove NO_COPY()

---
 src/hb-ot-shape-private.hh | 4 +++-
 src/hb-private.hh          | 8 --------
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/src/hb-ot-shape-private.hh b/src/hb-ot-shape-private.hh
index d0fe9e6a9..fe5d2b7f3 100644
--- a/src/hb-ot-shape-private.hh
+++ b/src/hb-ot-shape-private.hh
@@ -99,7 +99,9 @@ struct hb_ot_shape_planner_t
   }
 
   private:
-  NO_COPY (hb_ot_shape_planner_t);
+  /* No copy. */
+  hb_ot_shape_planner_t (const hb_ot_shape_planner_t &);
+  hb_ot_shape_planner_t &operator = (const hb_ot_shape_planner_t &);
 };
 
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 9acc0e79a..4bda9be72 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -647,14 +647,6 @@ static inline unsigned char TOLOWER (unsigned char c)
 { return (c >= 'A' && c <= 'Z') ? c - 'A' + 'a' : c; }
 
 
-/* C++ helpers */
-
-/* Makes class uncopyable.  Use in private: section. */
-#define NO_COPY(T) \
-  T (const T &o); \
-  T &operator = (const T &o)
-
-
 /* Debug */
 
 

From 40ec3bbb55b8af1668bb3d5f6232a85b15cff136 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Nov 2017 16:57:30 -0400
Subject: [PATCH 0603/1326] Consolidate debug stuff into hb-debug.hh

Part of fixing https://github.com/behdad/harfbuzz/pull/605
---
 src/Makefile.sources                 |   1 +
 src/hb-blob.cc                       |   7 +-
 src/hb-coretext.cc                   |   8 +-
 src/hb-debug.hh                      | 383 +++++++++++++++++++++++++++
 src/hb-directwrite.cc                |   6 +-
 src/hb-ft.cc                         |   7 +-
 src/hb-object-private.hh             |   8 +-
 src/hb-open-type-private.hh          |  21 +-
 src/hb-ot-layout-common-private.hh   |   8 +-
 src/hb-ot-layout-gsubgpos-private.hh |  46 +---
 src/hb-ot-shape-complex-arabic.cc    |   7 +-
 src/hb-private.hh                    | 260 +-----------------
 src/hb-shape-plan.cc                 |   7 +-
 src/hb-uniscribe.cc                  |   7 +-
 14 files changed, 404 insertions(+), 372 deletions(-)
 create mode 100644 src/hb-debug.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index f178fa415..5824055b2 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -9,6 +9,7 @@ HB_BASE_sources = \
 	hb-buffer-serialize.cc \
 	hb-buffer.cc \
 	hb-common.cc \
+	hb-debug.hh \
 	hb-dsalgs.hh \
 	hb-face-private.hh \
 	hb-face.cc \
diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index e390d7520..59c833363 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -30,6 +30,7 @@
 #endif
 
 #include "hb-private.hh"
+#include "hb-debug.hh"
 
 #include "hb-object-private.hh"
 
@@ -44,12 +45,6 @@
 #include <errno.h>
 
 
-
-#ifndef HB_DEBUG_BLOB
-#define HB_DEBUG_BLOB (HB_DEBUG+0)
-#endif
-
-
 struct hb_blob_t {
   hb_object_header_t header;
   ASSERT_POD ();
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index e27c2bade..90c9cd397 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -27,16 +27,14 @@
  */
 
 #define HB_SHAPER coretext
+
+#include "hb-private.hh"
+#include "hb-debug.hh"
 #include "hb-shaper-impl-private.hh"
 
 #include "hb-coretext.h"
 #include <math.h>
 
-
-#ifndef HB_DEBUG_CORETEXT
-#define HB_DEBUG_CORETEXT (HB_DEBUG+0)
-#endif
-
 /* https://developer.apple.com/documentation/coretext/1508745-ctfontcreatewithgraphicsfont */
 #define HB_CORETEXT_DEFAULT_FONT_SIZE 12.f
 
diff --git a/src/hb-debug.hh b/src/hb-debug.hh
new file mode 100644
index 000000000..c8cbee429
--- /dev/null
+++ b/src/hb-debug.hh
@@ -0,0 +1,383 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_DEBUG_HH
+#define HB_DEBUG_HH
+
+#include "hb-private.hh"
+
+
+#ifndef HB_DEBUG
+#define HB_DEBUG 0
+#endif
+
+static inline bool
+_hb_debug (unsigned int level,
+	   unsigned int max_level)
+{
+  return level < max_level;
+}
+
+#define DEBUG_LEVEL_ENABLED(WHAT, LEVEL) (_hb_debug ((LEVEL), HB_DEBUG_##WHAT))
+#define DEBUG_ENABLED(WHAT) (DEBUG_LEVEL_ENABLED (WHAT, 0))
+
+static inline void
+_hb_print_func (const char *func)
+{
+  if (func)
+  {
+    unsigned int func_len = strlen (func);
+    /* Skip "static" */
+    if (0 == strncmp (func, "static ", 7))
+      func += 7;
+    /* Skip "typename" */
+    if (0 == strncmp (func, "typename ", 9))
+      func += 9;
+    /* Skip return type */
+    const char *space = strchr (func, ' ');
+    if (space)
+      func = space + 1;
+    /* Skip parameter list */
+    const char *paren = strchr (func, '(');
+    if (paren)
+      func_len = paren - func;
+    fprintf (stderr, "%.*s", func_len, func);
+  }
+}
+
+template <int max_level> static inline void
+_hb_debug_msg_va (const char *what,
+		  const void *obj,
+		  const char *func,
+		  bool indented,
+		  unsigned int level,
+		  int level_dir,
+		  const char *message,
+		  va_list ap) HB_PRINTF_FUNC(7, 0);
+template <int max_level> static inline void
+_hb_debug_msg_va (const char *what,
+		  const void *obj,
+		  const char *func,
+		  bool indented,
+		  unsigned int level,
+		  int level_dir,
+		  const char *message,
+		  va_list ap)
+{
+  if (!_hb_debug (level, max_level))
+    return;
+
+  fprintf (stderr, "%-10s", what ? what : "");
+
+  if (obj)
+    fprintf (stderr, "(%0*lx) ", (unsigned int) (2 * sizeof (void *)), (unsigned long) obj);
+  else
+    fprintf (stderr, " %*s  ", (unsigned int) (2 * sizeof (void *)), "");
+
+  if (indented) {
+#define VBAR	"\342\224\202"	/* U+2502 BOX DRAWINGS LIGHT VERTICAL */
+#define VRBAR	"\342\224\234"	/* U+251C BOX DRAWINGS LIGHT VERTICAL AND RIGHT */
+#define DLBAR	"\342\225\256"	/* U+256E BOX DRAWINGS LIGHT ARC DOWN AND LEFT */
+#define ULBAR	"\342\225\257"	/* U+256F BOX DRAWINGS LIGHT ARC UP AND LEFT */
+#define LBAR	"\342\225\264"	/* U+2574 BOX DRAWINGS LIGHT LEFT */
+    static const char bars[] =
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR;
+    fprintf (stderr, "%2u %s" VRBAR "%s",
+	     level,
+	     bars + sizeof (bars) - 1 - MIN ((unsigned int) sizeof (bars) - 1, (unsigned int) (sizeof (VBAR) - 1) * level),
+	     level_dir ? (level_dir > 0 ? DLBAR : ULBAR) : LBAR);
+  } else
+    fprintf (stderr, "   " VRBAR LBAR);
+
+  _hb_print_func (func);
+
+  if (message)
+  {
+    fprintf (stderr, ": ");
+    vfprintf (stderr, message, ap);
+  }
+
+  fprintf (stderr, "\n");
+}
+template <> inline void
+_hb_debug_msg_va<0> (const char *what HB_UNUSED,
+		     const void *obj HB_UNUSED,
+		     const char *func HB_UNUSED,
+		     bool indented HB_UNUSED,
+		     unsigned int level HB_UNUSED,
+		     int level_dir HB_UNUSED,
+		     const char *message HB_UNUSED,
+		     va_list ap HB_UNUSED) {}
+
+template <int max_level> static inline void
+_hb_debug_msg (const char *what,
+	       const void *obj,
+	       const char *func,
+	       bool indented,
+	       unsigned int level,
+	       int level_dir,
+	       const char *message,
+	       ...) HB_PRINTF_FUNC(7, 8);
+template <int max_level> static inline void
+_hb_debug_msg (const char *what,
+	       const void *obj,
+	       const char *func,
+	       bool indented,
+	       unsigned int level,
+	       int level_dir,
+	       const char *message,
+	       ...)
+{
+  va_list ap;
+  va_start (ap, message);
+  _hb_debug_msg_va<max_level> (what, obj, func, indented, level, level_dir, message, ap);
+  va_end (ap);
+}
+template <> inline void
+_hb_debug_msg<0> (const char *what HB_UNUSED,
+		  const void *obj HB_UNUSED,
+		  const char *func HB_UNUSED,
+		  bool indented HB_UNUSED,
+		  unsigned int level HB_UNUSED,
+		  int level_dir HB_UNUSED,
+		  const char *message HB_UNUSED,
+		  ...) HB_PRINTF_FUNC(7, 8);
+template <> inline void
+_hb_debug_msg<0> (const char *what HB_UNUSED,
+		  const void *obj HB_UNUSED,
+		  const char *func HB_UNUSED,
+		  bool indented HB_UNUSED,
+		  unsigned int level HB_UNUSED,
+		  int level_dir HB_UNUSED,
+		  const char *message HB_UNUSED,
+		  ...) {}
+
+#define DEBUG_MSG_LEVEL(WHAT, OBJ, LEVEL, LEVEL_DIR, ...)	_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), nullptr,    true, (LEVEL), (LEVEL_DIR), __VA_ARGS__)
+#define DEBUG_MSG(WHAT, OBJ, ...) 				_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), nullptr,    false, 0, 0, __VA_ARGS__)
+#define DEBUG_MSG_FUNC(WHAT, OBJ, ...)				_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), HB_FUNC, false, 0, 0, __VA_ARGS__)
+
+
+/*
+ * Printer
+ */
+
+template <typename T>
+struct hb_printer_t {
+  const char *print (const T&) { return "something"; }
+};
+
+template <>
+struct hb_printer_t<bool> {
+  const char *print (bool v) { return v ? "true" : "false"; }
+};
+
+template <>
+struct hb_printer_t<hb_void_t> {
+  const char *print (hb_void_t) { return ""; }
+};
+
+
+/*
+ * Trace
+ */
+
+template <typename T>
+static inline void _hb_warn_no_return (bool returned)
+{
+  if (unlikely (!returned)) {
+    fprintf (stderr, "OUCH, returned with no call to return_trace().  This is a bug, please report.\n");
+  }
+}
+template <>
+/*static*/ inline void _hb_warn_no_return<hb_void_t> (bool returned HB_UNUSED)
+{}
+
+template <int max_level, typename ret_t>
+struct hb_auto_trace_t {
+  explicit inline hb_auto_trace_t (unsigned int *plevel_,
+				   const char *what_,
+				   const void *obj_,
+				   const char *func,
+				   const char *message,
+				   ...) : plevel (plevel_), what (what_), obj (obj_), returned (false)
+  {
+    if (plevel) ++*plevel;
+
+    va_list ap;
+    va_start (ap, message);
+    _hb_debug_msg_va<max_level> (what, obj, func, true, plevel ? *plevel : 0, +1, message, ap);
+    va_end (ap);
+  }
+  inline ~hb_auto_trace_t (void)
+  {
+    _hb_warn_no_return<ret_t> (returned);
+    if (!returned) {
+      _hb_debug_msg<max_level> (what, obj, nullptr, true, plevel ? *plevel : 1, -1, " ");
+    }
+    if (plevel) --*plevel;
+  }
+
+  inline ret_t ret (ret_t v, unsigned int line = 0)
+  {
+    if (unlikely (returned)) {
+      fprintf (stderr, "OUCH, double calls to return_trace().  This is a bug, please report.\n");
+      return v;
+    }
+
+    _hb_debug_msg<max_level> (what, obj, nullptr, true, plevel ? *plevel : 1, -1,
+			      "return %s (line %d)",
+			      hb_printer_t<ret_t>().print (v), line);
+    if (plevel) --*plevel;
+    plevel = nullptr;
+    returned = true;
+    return v;
+  }
+
+  private:
+  unsigned int *plevel;
+  const char *what;
+  const void *obj;
+  bool returned;
+};
+template <typename ret_t> /* Optimize when tracing is disabled */
+struct hb_auto_trace_t<0, ret_t> {
+  explicit inline hb_auto_trace_t (unsigned int *plevel_ HB_UNUSED,
+				   const char *what HB_UNUSED,
+				   const void *obj HB_UNUSED,
+				   const char *func HB_UNUSED,
+				   const char *message HB_UNUSED,
+				   ...) {}
+
+  inline ret_t ret (ret_t v, unsigned int line HB_UNUSED = 0) { return v; }
+};
+
+#define return_trace(RET) return trace.ret (RET, __LINE__)
+
+
+/*
+ * Instances.
+ */
+
+#ifndef HB_DEBUG_ARABIC
+#define HB_DEBUG_ARABIC (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_BLOB
+#define HB_DEBUG_BLOB (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_CORETEXT
+#define HB_DEBUG_CORETEXT (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_DIRECTWRITE
+#define HB_DEBUG_DIRECTWRITE (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_FT
+#define HB_DEBUG_FT (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_GET_COVERAGE
+#define HB_DEBUG_GET_COVERAGE (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_OBJECT
+#define HB_DEBUG_OBJECT (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_SHAPE_PLAN
+#define HB_DEBUG_SHAPE_PLAN (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_UNISCRIBE
+#define HB_DEBUG_UNISCRIBE (HB_DEBUG+0)
+#endif
+
+/*
+ * With tracing.
+ */
+
+#ifndef HB_DEBUG_APPLY
+#define HB_DEBUG_APPLY (HB_DEBUG+0)
+#endif
+#define TRACE_APPLY(this) \
+	hb_auto_trace_t<HB_DEBUG_APPLY, bool> trace \
+	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
+	 "idx %d gid %u lookup %d", \
+	 c->buffer->idx, c->buffer->cur().codepoint, (int) c->lookup_index);
+
+#ifndef HB_DEBUG_CLOSURE
+#define HB_DEBUG_CLOSURE (HB_DEBUG+0)
+#endif
+#define TRACE_CLOSURE(this) \
+	hb_auto_trace_t<HB_DEBUG_CLOSURE, hb_void_t> trace \
+	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
+	 "");
+
+#ifndef HB_DEBUG_COLLECT_GLYPHS
+#define HB_DEBUG_COLLECT_GLYPHS (HB_DEBUG+0)
+#endif
+#define TRACE_COLLECT_GLYPHS(this) \
+	hb_auto_trace_t<HB_DEBUG_COLLECT_GLYPHS, hb_void_t> trace \
+	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
+	 "");
+
+#ifndef HB_DEBUG_SANITIZE
+#define HB_DEBUG_SANITIZE (HB_DEBUG+0)
+#endif
+#define TRACE_SANITIZE(this) \
+	hb_auto_trace_t<HB_DEBUG_SANITIZE, bool> trace \
+	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
+	 "");
+
+#ifndef HB_DEBUG_SERIALIZE
+#define HB_DEBUG_SERIALIZE (HB_DEBUG+0)
+#endif
+#define TRACE_SERIALIZE(this) \
+	hb_auto_trace_t<HB_DEBUG_SERIALIZE, bool> trace \
+	(&c->debug_depth, "SERIALIZE", c, HB_FUNC, \
+	 "");
+
+#ifndef HB_DEBUG_WOULD_APPLY
+#define HB_DEBUG_WOULD_APPLY (HB_DEBUG+0)
+#endif
+#define TRACE_WOULD_APPLY(this) \
+	hb_auto_trace_t<HB_DEBUG_WOULD_APPLY, bool> trace \
+	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
+	 "%d glyphs", c->len);
+
+#define TRACE_DISPATCH(this, format) \
+	hb_auto_trace_t<context_t::max_debug_depth, typename context_t::return_t> trace \
+	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
+	 "format %d", (int) format);
+
+
+#endif /* HB_DEBUG_HH */
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index a6693ef3a..25749de8c 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -22,6 +22,8 @@
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  */
 
+#include "hb-private.hh"
+#include "hb-debug.hh"
 #define HB_SHAPER directwrite
 #include "hb-shaper-impl-private.hh"
 
@@ -30,10 +32,6 @@
 #include "hb-directwrite.h"
 
 
-#ifndef HB_DEBUG_DIRECTWRITE
-#define HB_DEBUG_DIRECTWRITE (HB_DEBUG+0)
-#endif
-
 HB_SHAPER_DATA_ENSURE_DEFINE(directwrite, face)
 HB_SHAPER_DATA_ENSURE_DEFINE(directwrite, font)
 
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 13f32142d..68c774547 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -28,6 +28,7 @@
  */
 
 #include "hb-private.hh"
+#include "hb-debug.hh"
 
 #include "hb-ft.h"
 
@@ -38,12 +39,6 @@
 #include FT_TRUETYPE_TABLES_H
 
 
-
-#ifndef HB_DEBUG_FT
-#define HB_DEBUG_FT (HB_DEBUG+0)
-#endif
-
-
 /* TODO:
  *
  * In general, this file does a fine job of what it's supposed to do.
diff --git a/src/hb-object-private.hh b/src/hb-object-private.hh
index 99fe646bd..0dada492c 100644
--- a/src/hb-object-private.hh
+++ b/src/hb-object-private.hh
@@ -33,18 +33,12 @@
 #define HB_OBJECT_PRIVATE_HH
 
 #include "hb-private.hh"
+#include "hb-debug.hh"
 
 #include "hb-atomic-private.hh"
 #include "hb-mutex-private.hh"
 
 
-/* Debug */
-
-#ifndef HB_DEBUG_OBJECT
-#define HB_DEBUG_OBJECT (HB_DEBUG+0)
-#endif
-
-
 /* reference_count */
 
 #define HB_REFERENCE_COUNT_UNCHANGABLE_VALUE	-0x53043
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 90db791ee..b3169c040 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -30,6 +30,7 @@
 #define HB_OPEN_TYPE_PRIVATE_HH
 
 #include "hb-private.hh"
+#include "hb-debug.hh"
 #include "hb-face-private.hh"
 
 
@@ -174,16 +175,6 @@ struct hb_dispatch_context_t
  * Sanitize
  */
 
-#ifndef HB_DEBUG_SANITIZE
-#define HB_DEBUG_SANITIZE (HB_DEBUG+0)
-#endif
-
-
-#define TRACE_SANITIZE(this) \
-	hb_auto_trace_t<HB_DEBUG_SANITIZE, bool> trace \
-	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "");
-
 /* This limits sanitizing time on really broken fonts. */
 #ifndef HB_SANITIZE_MAX_EDITS
 #define HB_SANITIZE_MAX_EDITS 32
@@ -387,16 +378,6 @@ struct Sanitizer
  * Serialize
  */
 
-#ifndef HB_DEBUG_SERIALIZE
-#define HB_DEBUG_SERIALIZE (HB_DEBUG+0)
-#endif
-
-
-#define TRACE_SERIALIZE(this) \
-	hb_auto_trace_t<HB_DEBUG_SERIALIZE, bool> trace \
-	(&c->debug_depth, "SERIALIZE", c, HB_FUNC, \
-	 "");
-
 
 struct hb_serialize_context_t
 {
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index ed18bd88f..8d881add5 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -29,6 +29,8 @@
 #ifndef HB_OT_LAYOUT_COMMON_PRIVATE_HH
 #define HB_OT_LAYOUT_COMMON_PRIVATE_HH
 
+#include "hb-private.hh"
+#include "hb-debug.hh"
 #include "hb-ot-layout-private.hh"
 #include "hb-open-type-private.hh"
 #include "hb-set-private.hh"
@@ -45,12 +47,6 @@
 namespace OT {
 
 
-#define TRACE_DISPATCH(this, format) \
-	hb_auto_trace_t<context_t::max_debug_depth, typename context_t::return_t> trace \
-	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "format %d", (int) format);
-
-
 #define NOT_COVERED		((unsigned int) -1)
 
 
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index e695d7882..367b4d77a 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -29,6 +29,8 @@
 #ifndef HB_OT_LAYOUT_GSUBGPOS_PRIVATE_HH
 #define HB_OT_LAYOUT_GSUBGPOS_PRIVATE_HH
 
+#include "hb-private.hh"
+#include "hb-debug.hh"
 #include "hb-buffer-private.hh"
 #include "hb-ot-layout-gdef-table.hh"
 #include "hb-set-private.hh"
@@ -37,15 +39,6 @@
 namespace OT {
 
 
-#ifndef HB_DEBUG_CLOSURE
-#define HB_DEBUG_CLOSURE (HB_DEBUG+0)
-#endif
-
-#define TRACE_CLOSURE(this) \
-	hb_auto_trace_t<HB_DEBUG_CLOSURE, hb_void_t> trace \
-	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "");
-
 struct hb_closure_context_t :
        hb_dispatch_context_t<hb_closure_context_t, hb_void_t, HB_DEBUG_CLOSURE>
 {
@@ -85,16 +78,6 @@ struct hb_closure_context_t :
 };
 
 
-
-#ifndef HB_DEBUG_WOULD_APPLY
-#define HB_DEBUG_WOULD_APPLY (HB_DEBUG+0)
-#endif
-
-#define TRACE_WOULD_APPLY(this) \
-	hb_auto_trace_t<HB_DEBUG_WOULD_APPLY, bool> trace \
-	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "%d glyphs", c->len);
-
 struct hb_would_apply_context_t :
        hb_dispatch_context_t<hb_would_apply_context_t, bool, HB_DEBUG_WOULD_APPLY>
 {
@@ -122,16 +105,6 @@ struct hb_would_apply_context_t :
 };
 
 
-
-#ifndef HB_DEBUG_COLLECT_GLYPHS
-#define HB_DEBUG_COLLECT_GLYPHS (HB_DEBUG+0)
-#endif
-
-#define TRACE_COLLECT_GLYPHS(this) \
-	hb_auto_trace_t<HB_DEBUG_COLLECT_GLYPHS, hb_void_t> trace \
-	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "");
-
 struct hb_collect_glyphs_context_t :
        hb_dispatch_context_t<hb_collect_glyphs_context_t, hb_void_t, HB_DEBUG_COLLECT_GLYPHS>
 {
@@ -219,10 +192,6 @@ struct hb_collect_glyphs_context_t :
 
 
 
-#ifndef HB_DEBUG_GET_COVERAGE
-#define HB_DEBUG_GET_COVERAGE (HB_DEBUG+0)
-#endif
-
 /* XXX Can we remove this? */
 
 template <typename set_t>
@@ -249,17 +218,6 @@ struct hb_add_coverage_context_t :
 };
 
 
-
-#ifndef HB_DEBUG_APPLY
-#define HB_DEBUG_APPLY (HB_DEBUG+0)
-#endif
-
-#define TRACE_APPLY(this) \
-	hb_auto_trace_t<HB_DEBUG_APPLY, bool> trace \
-	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "idx %d gid %u lookup %d", \
-	 c->buffer->idx, c->buffer->cur().codepoint, (int) c->lookup_index);
-
 struct hb_apply_context_t :
        hb_dispatch_context_t<hb_apply_context_t, bool, HB_DEBUG_APPLY>
 {
diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index a303fc138..283f325b4 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -24,15 +24,12 @@
  * Google Author(s): Behdad Esfahbod
  */
 
+#include "hb-private.hh"
+#include "hb-debug.hh"
 #include "hb-ot-shape-complex-arabic-private.hh"
 #include "hb-ot-shape-private.hh"
 
 
-#ifndef HB_DEBUG_ARABIC
-#define HB_DEBUG_ARABIC (HB_DEBUG+0)
-#endif
-
-
 /* buffer var allocations */
 #define arabic_shaping_action() complex_var_u8_0() /* arabic shaping action */
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 4bda9be72..b6d13bd30 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -44,20 +44,14 @@
 #include <stddef.h>
 #include <string.h>
 #include <assert.h>
-
-/* We only use these two for debug output.  However, the debug code is
- * always seen by the compiler (and optimized out in non-debug builds.
- * If including these becomes a problem, we can start thinking about
- * someway around that. */
-#include <stdio.h>
 #include <errno.h>
+#include <stdio.h>
 #include <stdarg.h>
 
 
 #define HB_PASTE1(a,b) a##b
 #define HB_PASTE(a,b) HB_PASTE1(a,b)
 
-
 /* Compile-time custom allocator support. */
 
 #if defined(hb_malloc_impl) \
@@ -647,9 +641,6 @@ static inline unsigned char TOLOWER (unsigned char c)
 { return (c >= 'A' && c <= 'Z') ? c - 'A' + 'a' : c; }
 
 
-/* Debug */
-
-
 /* HB_NDEBUG disables some sanity checks that are very safe to disable and
  * should be disabled in production systems.  If NDEBUG is defined, enable
  * HB_NDEBUG; but if it's desirable that normal assert()s (which are very
@@ -659,255 +650,6 @@ static inline unsigned char TOLOWER (unsigned char c)
 #define HB_NDEBUG
 #endif
 
-#ifndef HB_DEBUG
-#define HB_DEBUG 0
-#endif
-
-static inline bool
-_hb_debug (unsigned int level,
-	   unsigned int max_level)
-{
-  return level < max_level;
-}
-
-#define DEBUG_LEVEL_ENABLED(WHAT, LEVEL) (_hb_debug ((LEVEL), HB_DEBUG_##WHAT))
-#define DEBUG_ENABLED(WHAT) (DEBUG_LEVEL_ENABLED (WHAT, 0))
-
-static inline void
-_hb_print_func (const char *func)
-{
-  if (func)
-  {
-    unsigned int func_len = strlen (func);
-    /* Skip "static" */
-    if (0 == strncmp (func, "static ", 7))
-      func += 7;
-    /* Skip "typename" */
-    if (0 == strncmp (func, "typename ", 9))
-      func += 9;
-    /* Skip return type */
-    const char *space = strchr (func, ' ');
-    if (space)
-      func = space + 1;
-    /* Skip parameter list */
-    const char *paren = strchr (func, '(');
-    if (paren)
-      func_len = paren - func;
-    fprintf (stderr, "%.*s", func_len, func);
-  }
-}
-
-template <int max_level> static inline void
-_hb_debug_msg_va (const char *what,
-		  const void *obj,
-		  const char *func,
-		  bool indented,
-		  unsigned int level,
-		  int level_dir,
-		  const char *message,
-		  va_list ap) HB_PRINTF_FUNC(7, 0);
-template <int max_level> static inline void
-_hb_debug_msg_va (const char *what,
-		  const void *obj,
-		  const char *func,
-		  bool indented,
-		  unsigned int level,
-		  int level_dir,
-		  const char *message,
-		  va_list ap)
-{
-  if (!_hb_debug (level, max_level))
-    return;
-
-  fprintf (stderr, "%-10s", what ? what : "");
-
-  if (obj)
-    fprintf (stderr, "(%0*lx) ", (unsigned int) (2 * sizeof (void *)), (unsigned long) obj);
-  else
-    fprintf (stderr, " %*s  ", (unsigned int) (2 * sizeof (void *)), "");
-
-  if (indented) {
-#define VBAR	"\342\224\202"	/* U+2502 BOX DRAWINGS LIGHT VERTICAL */
-#define VRBAR	"\342\224\234"	/* U+251C BOX DRAWINGS LIGHT VERTICAL AND RIGHT */
-#define DLBAR	"\342\225\256"	/* U+256E BOX DRAWINGS LIGHT ARC DOWN AND LEFT */
-#define ULBAR	"\342\225\257"	/* U+256F BOX DRAWINGS LIGHT ARC UP AND LEFT */
-#define LBAR	"\342\225\264"	/* U+2574 BOX DRAWINGS LIGHT LEFT */
-    static const char bars[] =
-      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
-      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
-      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
-      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
-      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR;
-    fprintf (stderr, "%2u %s" VRBAR "%s",
-	     level,
-	     bars + sizeof (bars) - 1 - MIN ((unsigned int) sizeof (bars) - 1, (unsigned int) (sizeof (VBAR) - 1) * level),
-	     level_dir ? (level_dir > 0 ? DLBAR : ULBAR) : LBAR);
-  } else
-    fprintf (stderr, "   " VRBAR LBAR);
-
-  _hb_print_func (func);
-
-  if (message)
-  {
-    fprintf (stderr, ": ");
-    vfprintf (stderr, message, ap);
-  }
-
-  fprintf (stderr, "\n");
-}
-template <> inline void
-_hb_debug_msg_va<0> (const char *what HB_UNUSED,
-		     const void *obj HB_UNUSED,
-		     const char *func HB_UNUSED,
-		     bool indented HB_UNUSED,
-		     unsigned int level HB_UNUSED,
-		     int level_dir HB_UNUSED,
-		     const char *message HB_UNUSED,
-		     va_list ap HB_UNUSED) {}
-
-template <int max_level> static inline void
-_hb_debug_msg (const char *what,
-	       const void *obj,
-	       const char *func,
-	       bool indented,
-	       unsigned int level,
-	       int level_dir,
-	       const char *message,
-	       ...) HB_PRINTF_FUNC(7, 8);
-template <int max_level> static inline void
-_hb_debug_msg (const char *what,
-	       const void *obj,
-	       const char *func,
-	       bool indented,
-	       unsigned int level,
-	       int level_dir,
-	       const char *message,
-	       ...)
-{
-  va_list ap;
-  va_start (ap, message);
-  _hb_debug_msg_va<max_level> (what, obj, func, indented, level, level_dir, message, ap);
-  va_end (ap);
-}
-template <> inline void
-_hb_debug_msg<0> (const char *what HB_UNUSED,
-		  const void *obj HB_UNUSED,
-		  const char *func HB_UNUSED,
-		  bool indented HB_UNUSED,
-		  unsigned int level HB_UNUSED,
-		  int level_dir HB_UNUSED,
-		  const char *message HB_UNUSED,
-		  ...) HB_PRINTF_FUNC(7, 8);
-template <> inline void
-_hb_debug_msg<0> (const char *what HB_UNUSED,
-		  const void *obj HB_UNUSED,
-		  const char *func HB_UNUSED,
-		  bool indented HB_UNUSED,
-		  unsigned int level HB_UNUSED,
-		  int level_dir HB_UNUSED,
-		  const char *message HB_UNUSED,
-		  ...) {}
-
-#define DEBUG_MSG_LEVEL(WHAT, OBJ, LEVEL, LEVEL_DIR, ...)	_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), nullptr,    true, (LEVEL), (LEVEL_DIR), __VA_ARGS__)
-#define DEBUG_MSG(WHAT, OBJ, ...) 				_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), nullptr,    false, 0, 0, __VA_ARGS__)
-#define DEBUG_MSG_FUNC(WHAT, OBJ, ...)				_hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), HB_FUNC, false, 0, 0, __VA_ARGS__)
-
-
-/*
- * Printer
- */
-
-template <typename T>
-struct hb_printer_t {
-  const char *print (const T&) { return "something"; }
-};
-
-template <>
-struct hb_printer_t<bool> {
-  const char *print (bool v) { return v ? "true" : "false"; }
-};
-
-template <>
-struct hb_printer_t<hb_void_t> {
-  const char *print (hb_void_t) { return ""; }
-};
-
-
-/*
- * Trace
- */
-
-template <typename T>
-static inline void _hb_warn_no_return (bool returned)
-{
-  if (unlikely (!returned)) {
-    fprintf (stderr, "OUCH, returned with no call to return_trace().  This is a bug, please report.\n");
-  }
-}
-template <>
-/*static*/ inline void _hb_warn_no_return<hb_void_t> (bool returned HB_UNUSED)
-{}
-
-template <int max_level, typename ret_t>
-struct hb_auto_trace_t {
-  explicit inline hb_auto_trace_t (unsigned int *plevel_,
-				   const char *what_,
-				   const void *obj_,
-				   const char *func,
-				   const char *message,
-				   ...) : plevel (plevel_), what (what_), obj (obj_), returned (false)
-  {
-    if (plevel) ++*plevel;
-
-    va_list ap;
-    va_start (ap, message);
-    _hb_debug_msg_va<max_level> (what, obj, func, true, plevel ? *plevel : 0, +1, message, ap);
-    va_end (ap);
-  }
-  inline ~hb_auto_trace_t (void)
-  {
-    _hb_warn_no_return<ret_t> (returned);
-    if (!returned) {
-      _hb_debug_msg<max_level> (what, obj, nullptr, true, plevel ? *plevel : 1, -1, " ");
-    }
-    if (plevel) --*plevel;
-  }
-
-  inline ret_t ret (ret_t v, unsigned int line = 0)
-  {
-    if (unlikely (returned)) {
-      fprintf (stderr, "OUCH, double calls to return_trace().  This is a bug, please report.\n");
-      return v;
-    }
-
-    _hb_debug_msg<max_level> (what, obj, nullptr, true, plevel ? *plevel : 1, -1,
-			      "return %s (line %d)",
-			      hb_printer_t<ret_t>().print (v), line);
-    if (plevel) --*plevel;
-    plevel = nullptr;
-    returned = true;
-    return v;
-  }
-
-  private:
-  unsigned int *plevel;
-  const char *what;
-  const void *obj;
-  bool returned;
-};
-template <typename ret_t> /* Optimize when tracing is disabled */
-struct hb_auto_trace_t<0, ret_t> {
-  explicit inline hb_auto_trace_t (unsigned int *plevel_ HB_UNUSED,
-				   const char *what HB_UNUSED,
-				   const void *obj HB_UNUSED,
-				   const char *func HB_UNUSED,
-				   const char *message HB_UNUSED,
-				   ...) {}
-
-  inline ret_t ret (ret_t v, unsigned int line HB_UNUSED = 0) { return v; }
-};
-
-#define return_trace(RET) return trace.ret (RET, __LINE__)
 
 /* Misc */
 
diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index e58f9ff80..6eeba2b3d 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -24,17 +24,14 @@
  * Google Author(s): Behdad Esfahbod
  */
 
+#include "hb-private.hh"
+#include "hb-debug.hh"
 #include "hb-shape-plan-private.hh"
 #include "hb-shaper-private.hh"
 #include "hb-font-private.hh"
 #include "hb-buffer-private.hh"
 
 
-#ifndef HB_DEBUG_SHAPE_PLAN
-#define HB_DEBUG_SHAPE_PLAN (HB_DEBUG+0)
-#endif
-
-
 static void
 hb_shape_plan_plan (hb_shape_plan_t    *shape_plan,
 		    const hb_feature_t *user_features,
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index b28e7f043..484134570 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -24,6 +24,8 @@
  * Google Author(s): Behdad Esfahbod
  */
 
+#include "hb-private.hh"
+#include "hb-debug.hh"
 #define HB_SHAPER uniscribe
 #include "hb-shaper-impl-private.hh"
 
@@ -38,11 +40,6 @@
 #include "hb-ot-tag.h"
 
 
-#ifndef HB_DEBUG_UNISCRIBE
-#define HB_DEBUG_UNISCRIBE (HB_DEBUG+0)
-#endif
-
-
 static inline uint16_t hb_uint16_swap (const uint16_t v)
 { return (v >> 8) | (v << 8); }
 static inline uint32_t hb_uint32_swap (const uint32_t v)

From 5aad81943329df199501e9473e2cc39f9d4421a1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Nov 2017 17:16:26 -0400
Subject: [PATCH 0604/1326] Simplify tracing code when tracing is disabled

Fixes https://github.com/behdad/harfbuzz/pull/605
---
 src/hb-debug.hh                      | 58 ++++++++++++++++++++++------
 src/hb-ot-layout-gsubgpos-private.hh | 10 ++---
 2 files changed, 52 insertions(+), 16 deletions(-)

diff --git a/src/hb-debug.hh b/src/hb-debug.hh
index c8cbee429..ca8c638a7 100644
--- a/src/hb-debug.hh
+++ b/src/hb-debug.hh
@@ -266,15 +266,13 @@ struct hb_auto_trace_t {
   const void *obj;
   bool returned;
 };
-template <typename ret_t> /* Optimize when tracing is disabled */
-struct hb_auto_trace_t<0, ret_t> {
-  explicit inline hb_auto_trace_t (unsigned int *plevel_ HB_UNUSED,
-				   const char *what HB_UNUSED,
-				   const void *obj HB_UNUSED,
-				   const char *func HB_UNUSED,
-				   const char *message HB_UNUSED,
-				   ...) {}
+template <typename ret_t> /* Make sure we don't use hb_auto_trace_t when not tracing. */
+struct hb_auto_trace_t<0, ret_t>;
 
+/* For disabled tracing; optimize out everything.
+ * https://github.com/behdad/harfbuzz/pull/605 */
+template <typename ret_t>
+struct hb_no_trace_t {
   inline ret_t ret (ret_t v, unsigned int line HB_UNUSED = 0) { return v; }
 };
 
@@ -328,56 +326,94 @@ struct hb_auto_trace_t<0, ret_t> {
 #ifndef HB_DEBUG_APPLY
 #define HB_DEBUG_APPLY (HB_DEBUG+0)
 #endif
+#if HB_DEBUG_APPLY
 #define TRACE_APPLY(this) \
 	hb_auto_trace_t<HB_DEBUG_APPLY, bool> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
 	 "idx %d gid %u lookup %d", \
-	 c->buffer->idx, c->buffer->cur().codepoint, (int) c->lookup_index);
+	 c->buffer->idx, c->buffer->cur().codepoint, (int) c->lookup_index)
+#else
+#define TRACE_APPLY(this) hb_no_trace_t<bool> trace
+#endif
 
 #ifndef HB_DEBUG_CLOSURE
 #define HB_DEBUG_CLOSURE (HB_DEBUG+0)
 #endif
+#if HB_DEBUG_CLOSURE
 #define TRACE_CLOSURE(this) \
 	hb_auto_trace_t<HB_DEBUG_CLOSURE, hb_void_t> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "");
+	 "")
+#else
+#define TRACE_CLOSURE(this) hb_no_trace_t<hb_void_t> trace HB_UNUSED
+#endif
 
 #ifndef HB_DEBUG_COLLECT_GLYPHS
 #define HB_DEBUG_COLLECT_GLYPHS (HB_DEBUG+0)
 #endif
+#if HB_DEBUG_COLLECT_GLYPHS
 #define TRACE_COLLECT_GLYPHS(this) \
 	hb_auto_trace_t<HB_DEBUG_COLLECT_GLYPHS, hb_void_t> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "");
+	 "")
+#else
+#define TRACE_COLLECT_GLYPHS(this) hb_no_trace_t<hb_void_t> trace HB_UNUSED
+#endif
 
 #ifndef HB_DEBUG_SANITIZE
 #define HB_DEBUG_SANITIZE (HB_DEBUG+0)
 #endif
+#if HB_DEBUG_SANITIZE
 #define TRACE_SANITIZE(this) \
 	hb_auto_trace_t<HB_DEBUG_SANITIZE, bool> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
 	 "");
+#else
+#define TRACE_SANITIZE(this) hb_no_trace_t<bool> trace
+#endif
 
 #ifndef HB_DEBUG_SERIALIZE
 #define HB_DEBUG_SERIALIZE (HB_DEBUG+0)
 #endif
+#if HB_DEBUG_SERIALIZE
 #define TRACE_SERIALIZE(this) \
 	hb_auto_trace_t<HB_DEBUG_SERIALIZE, bool> trace \
 	(&c->debug_depth, "SERIALIZE", c, HB_FUNC, \
 	 "");
+#else
+#define TRACE_SERIALIZE(this) hb_no_trace_t<bool> trace
+#endif
 
 #ifndef HB_DEBUG_WOULD_APPLY
 #define HB_DEBUG_WOULD_APPLY (HB_DEBUG+0)
 #endif
+#if HB_DEBUG_WOULD_APPLY
 #define TRACE_WOULD_APPLY(this) \
 	hb_auto_trace_t<HB_DEBUG_WOULD_APPLY, bool> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
 	 "%d glyphs", c->len);
+#else
+#define TRACE_WOULD_APPLY(this) hb_no_trace_t<bool> trace
+#endif
 
+#ifndef HB_DEBUG_DISPATCH
+#define HB_DEBUG_DISPATCH ( \
+	HB_DEBUG_APPLY + \
+	HB_DEBUG_CLOSURE + \
+	HB_DEBUG_COLLECT_GLYPHS + \
+	HB_DEBUG_SANITIZE + \
+	HB_DEBUG_SERIALIZE + \
+	HB_DEBUG_WOULD_APPLY + \
+	0)
+#endif
+#if HB_DEBUG_DISPATCH
 #define TRACE_DISPATCH(this, format) \
 	hb_auto_trace_t<context_t::max_debug_depth, typename context_t::return_t> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
 	 "format %d", (int) format);
+#else
+#define TRACE_DISPATCH(this, format) hb_no_trace_t<typename context_t::return_t> trace
+#endif
 
 
 #endif /* HB_DEBUG_HH */
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 367b4d77a..b0cffa3a8 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -1205,11 +1205,11 @@ struct Rule
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return inputCount.sanitize (c)
-	&& lookupCount.sanitize (c)
-	&& c->check_range (inputZ,
-			   inputZ[0].static_size * inputCount
-			   + lookupRecordX[0].static_size * lookupCount);
+    return_trace (inputCount.sanitize (c) &&
+		  lookupCount.sanitize (c) &&
+		  c->check_range (inputZ,
+				  inputZ[0].static_size * inputCount +
+				  lookupRecordX[0].static_size * lookupCount));
   }
 
   protected:

From 601126ad401d05b9c7fe4a34e870f1d1a1b057c8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Nov 2017 20:34:11 -0400
Subject: [PATCH 0605/1326] [configure] Fix gobject default value in help
 output

Fixes https://github.com/behdad/harfbuzz/issues/607
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 83bfacb2f..b4c79a39b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -165,7 +165,7 @@ dnl ===========================================================================
 
 AC_ARG_WITH(gobject,
 	[AS_HELP_STRING([--with-gobject=@<:@yes/no/auto@:>@],
-			[Use gobject @<:@default=auto@:>@])],,
+			[Use gobject @<:@default=no@:>@])],,
 	[with_gobject=no])
 have_gobject=false
 if test "x$with_gobject" = "xyes" -o "x$with_gobject" = "xauto"; then

From 74e82adaea08ced18493e3341823dbd5b6cd493e Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Mon, 6 Nov 2017 14:41:55 -0500
Subject: [PATCH 0606/1326] Mark glyphs involved in 'stch' as unsafe to break

---
 src/hb-ot-shape-complex-arabic.cc                |   1 +
 test/shaping/Makefile.am                         |   1 +
 .../d9b8bc10985f24796826c29f7ccba3d0ae11ec02.ttf | Bin 0 -> 1420 bytes
 test/shaping/tests/arabic-stch.tests             |   1 +
 4 files changed, 3 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/d9b8bc10985f24796826c29f7ccba3d0ae11ec02.ttf
 create mode 100644 test/shaping/tests/arabic-stch.tests

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 283f325b4..eda20ca1e 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -560,6 +560,7 @@ apply_stch (const hb_ot_shape_plan_t *plan,
       }
       else
       {
+	buffer->unsafe_to_break (context, end + 1);
 	hb_position_t x_offset = 0;
 	for (unsigned int k = end; k > start; k--)
 	{
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 377c08d0e..ca7c1c30b 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -45,6 +45,7 @@ TESTS = \
 	tests/arabic-feature-order.tests \
 	tests/arabic-like-joining.tests \
 	tests/arabic-mark-order.tests \
+	tests/arabic-stch.tests \
 	tests/automatic-fractions.tests \
 	tests/cluster.tests \
 	tests/color-fonts.tests \
diff --git a/test/shaping/fonts/sha1sum/d9b8bc10985f24796826c29f7ccba3d0ae11ec02.ttf b/test/shaping/fonts/sha1sum/d9b8bc10985f24796826c29f7ccba3d0ae11ec02.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..112146eb44eac72f0f7427e01236740cbe64fd4a
GIT binary patch
literal 1420
zcmZuxUuauZ82_D{o8;Qgn`u`TMoF*Qjdrg8f;K~Zuxr*TtxH*3g@JBqk|mMmCfwY%
zsV%r7YO%_6x(S_jvt!t&`Z912!i1@a(+N&Q_9S~48$RlmTRIkh=cYjs&*eMc_xt|*
z&UfxP_r^v?W7vXY@Zg!g{(htM`PQufegVYXKy-gUw!;UgztPt;FdQ3+P7O^G|3z#J
zjEwC&{O&B{-fhIC*hpvig|?$d0Of1qBZ*wR;1BPV`CY^dnN&Ra;MCd286PI@$<X1M
z7GuO`iCZ!`yX3u6d7XHHIGBr<3h>EP{6O)U@my-#<rW?Aw6MRrLcVBM-b9%E7a2DI
z=CT_BRe=yf8#A+Zs%T65Q6~VWSvZE`7#=66-kV=^K3@OOTYfBXynOxP^6rP=V?|)c
zu7LxSX0|KR)$gkAy~P<T(K|kFMe}ye9Lk!hzI<WE%BC~6(VA#8!d=~wJw`M>l}#Fb
zd22jn+qK2nP5|O9kK|W(%q%Q_<_zk0FMQEhT%KN8Sw3^_T<MH$m!^v${o=+;>rIWB
zRdX$LesSgW$rbII@5J1x*OuPU?%lZL-0&~Gf9j(XOZ1+!S7y&IYHO>jYis6errBDw
z=jJE1Uf=wu_L8;uAE;$aGt;a)&zJRbveBq}a-s2&I{oT;lPcG$k;tTw{>geoeewDw
zzy4k0@dhYDG_?P8`I{@>|9oKJ+2@7^2V*~84b^XWZ+DipvUdAs*<1Fu-`vnPwD#@|
zZ>XNTl?Q-tKe%<_aNy}XO1<Y6J@_?v$Ls1{>E8PdJYmfvp(ZCeguGF!XvHg)h`5Uu
z-bf%O13Yai98$L5Z>U5R&0RryYQqOr%!>Cwe&ucDOS<2wYVkX|g+ed9E`?hl`;+6C
zoQ99?PvR?d_=6s!vKNOo(`q?@!G{b`(Ze=``T*^Hl&USD6IE@6_VA{yV+t>$4|x<Y
z0}ENCk%3LFRwU3y9Yz<r5y2kXQN)>_MUu9xu`rGlvu%vQq~9hgaz03%#v~?~Z@GLn
z`HOf8oqQ7Xr5LeUF-0purW~I<Ig03TdDF}*kYSu0S!N{NoH%Whkylw|(bLJ!I@n()
zv*e0#YRQ%)l0$X(&+nDGjxs8DP2ECW#VV`i*=p{)>+lEs!AgamO{;Rv`P2F1U+1`m
zG2jVzt{!&>Z7JmS2dW~u{K2YlrOl(_--6%&{|wntl~=L|-VQknw^GLH(1Z{~w0~%n
zeabz-?NJ)lc$9D4>&A_=6*ti%KY#4D<GBg+*tv-?@5DcKHA~jYA&Pb)L*^<Qe@X0L
P-rbt$Za2J|jBLu^v$-eq

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/arabic-stch.tests b/test/shaping/tests/arabic-stch.tests
new file mode 100644
index 000000000..a268d8a7c
--- /dev/null
+++ b/test/shaping/tests/arabic-stch.tests
@@ -0,0 +1 @@
+fonts/sha1sum/d9b8bc10985f24796826c29f7ccba3d0ae11ec02.ttf:--no-glyph-names --show-flags:U+0718,U+070F,U+0718,U+0718,U+002E:[1=4+168|3=3+502#1|3=2+502#1|4=1@-1004,0+0#1|5=1@-876,0+0#1|5=1@-799,0+0#1|5=1@-722,0+0#1|5=1@-645,0+0#1|4=1@-566,0+0#1|5=1@-438,0+0#1|5=1@-361,0+0#1|5=1@-284,0+0#1|5=1@-207,0+0#1|4=1@-128,0+0#1|3=0+502]

From 625ae08fcee747fbdc33a3a6865fb3aa425662ca Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 4 Nov 2017 12:01:11 -0400
Subject: [PATCH 0607/1326] [kern] Towards implementing format-2

---
 src/hb-open-type-private.hh |  4 +--
 src/hb-ot-kern-table.hh     | 69 ++++++++++++++++++++++---------------
 2 files changed, 42 insertions(+), 31 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index b3169c040..2687ba664 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1078,9 +1078,7 @@ struct BinSearchHeader
 };
 
 template <typename Type>
-struct BinSearchArrayOf : SortedArrayOf<Type, BinSearchHeader>
-{
-};
+struct BinSearchArrayOf : SortedArrayOf<Type, BinSearchHeader> {};
 
 
 /* Lazy struct and blob loaders. */
diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index 2cab5cc9a..2d355914a 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -81,9 +81,6 @@ struct KernSubTableFormat0
     return pairs[i].get_kerning ();
   }
 
-  inline unsigned int get_size (void) const
-  { return pairs.get_size (); }
-
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -96,46 +93,63 @@ struct KernSubTableFormat0
   DEFINE_SIZE_ARRAY (8, pairs);
 };
 
-struct KernSubTableFormat2
+struct KernClassTable
 {
-  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  inline unsigned int get_class (hb_codepoint_t g) const { return classes[g - firstGlyph]; }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
   {
-    /* XXX */
-    return 0;
+    TRACE_SANITIZE (this);
+    return_trace (firstGlyph.sanitize (c) && classes.sanitize (c));
   }
 
-  inline unsigned int get_size (void) const
+  protected:
+  USHORT		firstGlyph;	/* First glyph in class range. */
+  ArrayOf<USHORT>	classes;	/* Glyph classes. */
+  public:
+  DEFINE_SIZE_ARRAY (4, classes);
+};
+
+struct KernSubTableFormat2
+{
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int length) const
   {
-    /* XXX */
-    return 0;
+    unsigned int l = (this+leftClassTable).get_class (left);
+    unsigned int r = (this+leftClassTable).get_class (left);
+    return 0;//(&(this+array))[0/*XXX*/];
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-
-    /* XXX */
-
-    return_trace (true);
+    return_trace (rowWidth.sanitize (c) &&
+		  leftClassTable.sanitize (c, this) &&
+		  rightClassTable.sanitize (c, this) &&
+		  array.sanitize (c, this));
   }
+
+  protected:
+  USHORT	rowWidth;	/* The width, in bytes, of a row in the table. */
+  OffsetTo<KernClassTable>
+		leftClassTable;	/* Offset from beginning of this subtable to
+				 * left-hand class table. */
+  OffsetTo<KernClassTable>
+		rightClassTable;/* Offset from beginning of this subtable to
+				 * right-hand class table. */
+  OffsetTo<FWORD>
+		array;		/* Offset from beginning of this subtable to
+				 * the start of the kerning array. */
+  public:
+  DEFINE_SIZE_MIN (8);
 };
 
 struct KernSubTable
 {
-  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int format) const
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int length, unsigned int format) const
   {
     switch (format) {
     case 0: return u.format0.get_kerning (left, right);
-    case 2: return u.format2.get_kerning (left, right);
-    default:return 0;
-    }
-  }
-
-  inline unsigned int get_size (unsigned int format) const
-  {
-    switch (format) {
-    case 0: return u.format0.get_size ();
-    case 2: return u.format2.get_size ();
+    case 2: return u.format2.get_kerning (left, right, length);
     default:return 0;
     }
   }
@@ -173,7 +187,7 @@ struct KernSubTableWrapper
   { return bool (thiz()->coverage & T::COVERAGE_OVERRIDE_FLAG); }
 
   inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right) const
-  { return thiz()->subtable.get_kerning (left, right, thiz()->format); }
+  { return thiz()->subtable.get_kerning (left, right, thiz()->length - thiz()->min_size, thiz()->format); }
 
   inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
   { return is_horizontal () ? get_kerning (left, right) : 0; }
@@ -186,8 +200,7 @@ struct KernSubTableWrapper
     return_trace (c->check_struct (thiz()) &&
 		  thiz()->length >= thiz()->min_size &&
 		  c->check_array (thiz(), 1, thiz()->length) &&
-		  thiz()->subtable.sanitize (c, thiz()->format) &&
-		  thiz()->subtable.get_size (thiz()-> format) <= thiz()->length - thiz()->min_size);
+		  thiz()->subtable.sanitize (c, thiz()->format));
   }
 };
 

From 82a38d1f7a65537a4ef540af08c489512d6297ac Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 6 Nov 2017 15:28:24 -0500
Subject: [PATCH 0608/1326] [kern] Allow subtables longer than 64kb

Apparently calibri.ttf does this:
https://github.com/fonttools/fonttools/pull/1094#discussion_r148933791
---
 src/hb-ot-font.cc       | 23 ++++++++++++++++++++++-
 src/hb-ot-kern-table.hh | 41 +++++++++++++++++++++++++++++------------
 2 files changed, 51 insertions(+), 13 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index d98960358..72d3c5836 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -335,6 +335,27 @@ struct hb_ot_face_post_accelerator_t
   }
 };
 
+struct hb_ot_face_kern_accelerator_t
+{
+  hb_blob_t *kern_blob;
+  OT::kern::accelerator_t accel;
+
+  inline void init (hb_face_t *face)
+  {
+    hb_blob_t *blob = this->kern_blob = OT::Sanitizer<OT::kern>::sanitize (face->reference_table (HB_OT_TAG_kern));
+    accel.init (OT::Sanitizer<OT::kern>::lock_instance (blob), hb_blob_get_length (blob));
+  }
+
+  inline void fini (void)
+  {
+    accel.fini ();
+    hb_blob_destroy (this->kern_blob);
+  }
+
+  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  { return accel.get_h_kerning (left, right); }
+};
+
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					  hb_codepoint_t codepoint,
 					  hb_codepoint_t *glyph);
@@ -471,7 +492,7 @@ struct hb_ot_font_t
   OT::hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
   OT::hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
   OT::hb_lazy_loader_t<hb_ot_face_post_accelerator_t> post;
-  OT::hb_lazy_table_loader_t<OT::kern> kern;
+  OT::hb_lazy_loader_t<hb_ot_face_kern_accelerator_t> kern;
 };
 
 
diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index 2d355914a..d074355db 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -112,7 +112,7 @@ struct KernClassTable
 
 struct KernSubTableFormat2
 {
-  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int length) const
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end) const
   {
     unsigned int l = (this+leftClassTable).get_class (left);
     unsigned int r = (this+leftClassTable).get_class (left);
@@ -145,11 +145,11 @@ struct KernSubTableFormat2
 
 struct KernSubTable
 {
-  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int length, unsigned int format) const
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end, unsigned int format) const
   {
     switch (format) {
     case 0: return u.format0.get_kerning (left, right);
-    case 2: return u.format2.get_kerning (left, right, length);
+    case 2: return u.format2.get_kerning (left, right, end);
     default:return 0;
     }
   }
@@ -186,11 +186,11 @@ struct KernSubTableWrapper
   inline bool is_override (void) const
   { return bool (thiz()->coverage & T::COVERAGE_OVERRIDE_FLAG); }
 
-  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right) const
-  { return thiz()->subtable.get_kerning (left, right, thiz()->length - thiz()->min_size, thiz()->format); }
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end) const
+  { return thiz()->subtable.get_kerning (left, right, end, thiz()->format); }
 
-  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
-  { return is_horizontal () ? get_kerning (left, right) : 0; }
+  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end) const
+  { return is_horizontal () ? get_kerning (left, right, end) : 0; }
 
   inline unsigned int get_size (void) const { return thiz()->length; }
 
@@ -210,7 +210,7 @@ struct KernTable
   /* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
   inline const T* thiz (void) const { return static_cast<const T *> (this); }
 
-  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int table_length) const
   {
     int v = 0;
     const typename T::SubTableWrapper *st = CastP<typename T::SubTableWrapper> (thiz()->data);
@@ -219,7 +219,7 @@ struct KernTable
     {
       if (st->is_override ())
         v = 0;
-      v += st->get_h_kerning (left, right);
+      v += st->get_h_kerning (left, right, table_length + (const char *) this);
       st = &StructAfter<typename T::SubTableWrapper> (*st);
     }
     return v;
@@ -329,11 +329,11 @@ struct kern
 {
   static const hb_tag_t tableTag = HB_OT_TAG_kern;
 
-  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int table_length) const
   {
     switch (u.major) {
-    case 0: return u.ot.get_h_kerning (left, right);
-    case 1: return u.aat.get_h_kerning (left, right);
+    case 0: return u.ot.get_h_kerning (left, right, table_length);
+    case 1: return u.aat.get_h_kerning (left, right, table_length);
     default:return 0;
     }
   }
@@ -349,6 +349,23 @@ struct kern
     }
   }
 
+  struct accelerator_t
+  {
+    inline void init (const kern *table_, unsigned int table_length_)
+    {
+      table = table_;
+      table_length = table_length_;
+    }
+    inline void fini (void) {}
+
+    inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+    { return table->get_h_kerning (left, right, table_length); }
+
+    private:
+    const kern *table;
+    unsigned int table_length;
+  };
+
   protected:
   union {
   USHORT		major;

From a6150306838b168475a9aa661ad569b0405c9f91 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 6 Nov 2017 15:40:07 -0500
Subject: [PATCH 0609/1326] [kern] Implement format-2 kern subtable

---
 src/hb-ot-kern-table.hh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index d074355db..074eba32a 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -116,7 +116,13 @@ struct KernSubTableFormat2
   {
     unsigned int l = (this+leftClassTable).get_class (left);
     unsigned int r = (this+leftClassTable).get_class (left);
-    return 0;//(&(this+array))[0/*XXX*/];
+    unsigned int offset = l * rowWidth + r * sizeof (FWORD);
+    const FWORD *v = &StructAtOffset<FWORD> (&(this+array), offset);
+    /* Untested code, as I have not been able to find ANY kern table format-2 yet. */
+    assert (&(this+array) <= v);
+    if (unlikely (v + 1 > (const FWORD *) end))
+      return 0;
+    return *v;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const

From 5a9cba9744876dfc56bdc9aed805f571bd0d4b0a Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Wed, 8 Nov 2017 13:15:27 -0500
Subject: [PATCH 0610/1326] Mark non-initial left matras as unsafe to break

---
 src/hb-ot-shape-complex-indic.cc                 |  14 +++++++++-----
 test/shaping/Makefile.am                         |   1 +
 .../1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf | Bin 0 -> 1380 bytes
 test/shaping/tests/indic-init.tests              |   1 +
 4 files changed, 11 insertions(+), 5 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf
 create mode 100644 test/shaping/tests/indic-init.tests

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index f7df985d1..8e2cd620e 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1686,11 +1686,15 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 
 
   /* Apply 'init' to the Left Matra if it's a word start. */
-  if (info[start].indic_position () == POS_PRE_M &&
-      (!start ||
-       !(FLAG_UNSAFE (_hb_glyph_info_get_general_category (&info[start - 1])) &
-	 FLAG_RANGE (HB_UNICODE_GENERAL_CATEGORY_FORMAT, HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK))))
-    info[start].mask |= indic_plan->mask_array[INIT];
+  if (info[start].indic_position () == POS_PRE_M)
+  {
+    if (!start ||
+	!(FLAG_UNSAFE (_hb_glyph_info_get_general_category (&info[start - 1])) &
+	 FLAG_RANGE (HB_UNICODE_GENERAL_CATEGORY_FORMAT, HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))
+      info[start].mask |= indic_plan->mask_array[INIT];
+    else
+      buffer->unsafe_to_break (start - 1, start + 1);
+  }
 
 
   /*
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index ca7c1c30b..592754b29 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -58,6 +58,7 @@ TESTS = \
 	tests/hangul-jamo.tests \
 	tests/hyphens.tests \
 	tests/indic-consonant-with-stacker.tests \
+	tests/indic-init.tests \
 	tests/indic-joiner-candrabindu.tests \
 	tests/indic-joiners.tests \
 	tests/indic-old-spec.tests \
diff --git a/test/shaping/fonts/sha1sum/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf b/test/shaping/fonts/sha1sum/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..d060ea96ea0740e07cb9aa3119890eed6d99ac54
GIT binary patch
literal 1380
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zHVj+^K9J38(+v`}0-pqaG_OpTNQxsQK3+pX$)|UJcfdy^?#BGQrD9pDpQa%6m(ea0
zfs4@@Ndhs(+@pn@mM&{NexlYywf(HtCe+%*+Ft42j8Qwkwd^wYG*xT#n7OZ+T<FoX
zuQxhX$aNoj(Q(nRjiTYs9JHdvQbo;WvYPBq9+ZRKfpEJVQ}kR)juzEKTGJj3h!Nit
zNMcMnRQ=Vw>N8hr-K|^F<;{B&1Lm#X9o8jl%=ON@v&WZCygzex?t{~A^P<&gSUs-V
z8<JriwT|3$`TqLD47RA>XH52m8DIYD+E0ezwmKG#O><+x7zi6K!{|9YGyay<@!{*A
zSpKETr>_~tne!LUeQdbbR&`a?b+v8Am|dDX<DOpx`}rUAt8U*lvvEsoF^s;$vlA&R
z{+Y$r;;XOz@-ozy7F=gfEzhs;{;O+i`l{MCZB$O2I%XKz%kvisrvLai>t@Hw*EjfF
zZf-^zeCBvdbr&`tn{Jyo@X=G_O}%%7M)7x^zP|U4%l7_1Z{G(|aElzedBqF+8-~+m
z&%l~-_Rz5zW5S;MyXs-VZ7Vxur<Sm>MOG!~3Jby&Bo`geexm>rkR_Kb!R7zk5%=S0
zUy8o<ta~;@x&ADTZPOmIWRlUH-=Ywv!6Xmj2+WBY`GA~QKpfwWeWcTy6s01Ss6r~`
zC_`D&pyj6|9fS{3Hw7q6?TBNffS;ojV%|rk1f{{&Xp{=bYd~exufS($iYCEVZ9NV8
zW$K|Wd`aZeXwlF^N0fw89$yg}W$LtbGvJk=kbp)GjFin$5EsyL482rjx-hd&%&!Y9
zKB5B8)lxvb;6-7bc%LvYY>=<o#^N@Xuui;BFc}Gack6W`$KM^j``o{$uoEn@x!hx)
zJ?oBfhG)Yu<hPHdKF8no{}evDqs3JiK4(Te@1@6SKe1T<;0SIRpF8o{*u`m&<E(br
z?d^$lAw!`=ArqufMpX(FDOc1aMKmQpi8?<S#Cbo|co1<NUKsx=*ms#{@Y~_*fbl!q
J0OKE4`42YqFz5gP

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-init.tests b/test/shaping/tests/indic-init.tests
new file mode 100644
index 000000000..1231eabce
--- /dev/null
+++ b/test/shaping/tests/indic-init.tests
@@ -0,0 +1 @@
+fonts/sha1sum/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf:--no-glyph-names:U+09AC,U+09C7,U+09AC,U+09C7:[3=0+273|1=0+460|2=2+307|1=2+460]

From 53f0c27ddca92af1af27b6ffa9dcd0949afed664 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 8 Nov 2017 17:02:54 -0800
Subject: [PATCH 0611/1326] Minor

---
 test/shaping/run-tests.sh | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/test/shaping/run-tests.sh b/test/shaping/run-tests.sh
index bb1ba80e8..5fa8017cb 100755
--- a/test/shaping/run-tests.sh
+++ b/test/shaping/run-tests.sh
@@ -4,7 +4,8 @@ test "x$srcdir" = x && srcdir=.
 test "x$builddir" = x && builddir=.
 test "x$top_builddir" = x && top_builddir=../..
 
-hb_shape="$top_builddir/util/hb-shape$EXEEXT --verify"
+extra_options="--verify"
+hb_shape="$top_builddir/util/hb-shape$EXEEXT"
 #hb_shape="$top_builddir/util/hb-shape$EXEEXT"
 
 fails=0
@@ -26,14 +27,14 @@ for f in "$@"; do
 			$reference || echo "# hb-shape $fontfile --unicodes $unicodes"
 			continue
 		fi
-		$reference || echo "hb-shape $fontfile $options --unicodes $unicodes"
-		glyphs1=`$hb_shape --font-funcs=ft "$srcdir/$fontfile" $options --unicodes "$unicodes"`
+		$reference || echo "hb-shape $fontfile $extra_options $options --unicodes $unicodes"
+		glyphs1=`$hb_shape --font-funcs=ft "$srcdir/$fontfile" $extra_options $options --unicodes "$unicodes"`
 		if test $? != 0; then
 			echo "hb-shape --font-funcs=ft failed." >&2
 			fails=$((fails+1))
 			#continue
 		fi
-		glyphs2=`$hb_shape --font-funcs=ot "$srcdir/$fontfile" $options --unicodes "$unicodes"`
+		glyphs2=`$hb_shape --font-funcs=ot "$srcdir/$fontfile" $extra_options $options --unicodes "$unicodes"`
 		if test $? != 0; then
 			echo "hb-shape --font-funcs=ot failed." >&2
 			fails=$((fails+1))

From 822035ce73931ccd5d2455584aad603037892498 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 8 Nov 2017 17:03:55 -0800
Subject: [PATCH 0612/1326] [tests/arabic-stch.tests] Don't show flags

We don't need to test the actual flag values.  For unsafe-to-break,
the --verify in run-tests.sh checks what we are interested in.
---
 test/shaping/tests/arabic-stch.tests | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/tests/arabic-stch.tests b/test/shaping/tests/arabic-stch.tests
index a268d8a7c..a21dfa22d 100644
--- a/test/shaping/tests/arabic-stch.tests
+++ b/test/shaping/tests/arabic-stch.tests
@@ -1 +1 @@
-fonts/sha1sum/d9b8bc10985f24796826c29f7ccba3d0ae11ec02.ttf:--no-glyph-names --show-flags:U+0718,U+070F,U+0718,U+0718,U+002E:[1=4+168|3=3+502#1|3=2+502#1|4=1@-1004,0+0#1|5=1@-876,0+0#1|5=1@-799,0+0#1|5=1@-722,0+0#1|5=1@-645,0+0#1|4=1@-566,0+0#1|5=1@-438,0+0#1|5=1@-361,0+0#1|5=1@-284,0+0#1|5=1@-207,0+0#1|4=1@-128,0+0#1|3=0+502]
+fonts/sha1sum/d9b8bc10985f24796826c29f7ccba3d0ae11ec02.ttf:--no-glyph-names:U+0718,U+070F,U+0718,U+0718,U+002E:[1=4+168|3=3+502|3=2+502|4=1@-1004,0+0|5=1@-876,0+0|5=1@-799,0+0|5=1@-722,0+0|5=1@-645,0+0|4=1@-566,0+0|5=1@-438,0+0|5=1@-361,0+0|5=1@-284,0+0|5=1@-207,0+0|4=1@-128,0+0|3=0+502]

From c4f4c0a2faab0635dd2ab3078243994ad3066287 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 8 Nov 2017 17:04:31 -0800
Subject: [PATCH 0613/1326] Fix indexing in unsafe-to-break marking for 'stch'
 feature

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4099
---
 src/hb-ot-shape-complex-arabic.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index eda20ca1e..3ba2d069c 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -560,7 +560,7 @@ apply_stch (const hb_ot_shape_plan_t *plan,
       }
       else
       {
-	buffer->unsafe_to_break (context, end + 1);
+	buffer->unsafe_to_break (context, end);
 	hb_position_t x_offset = 0;
 	for (unsigned int k = end; k > start; k--)
 	{

From 2fcfbcf8052bba0db7590a5f057730075fdbd5e1 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Thu, 2 Nov 2017 09:45:06 +0200
Subject: [PATCH 0614/1326] [test] Fix another instance of component rounding

See https://github.com/behdad/harfbuzz/pull/590#issuecomment-341194673
---
 .../7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf  | Bin 784 -> 0 bytes
 .../8228d035fcd65d62ec9728fb34f42c63be93a5d3.ttf  | Bin 0 -> 784 bytes
 test/shaping/tests/fallback-positioning.tests     |   3 +--
 3 files changed, 1 insertion(+), 2 deletions(-)
 delete mode 100644 test/shaping/fonts/sha1sum/7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf
 create mode 100644 test/shaping/fonts/sha1sum/8228d035fcd65d62ec9728fb34f42c63be93a5d3.ttf

diff --git a/test/shaping/fonts/sha1sum/7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf b/test/shaping/fonts/sha1sum/7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf
deleted file mode 100644
index fb4534abf4ace39fa4476a19b146bed50921e99e..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 784
zcmZXSK}b|V7{~uJ^WM6vmPC@!A(xaW5(}3?%&;WrvL%_pLZLmMyK3yV%kCO0bWps6
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zA=q*GSkvUk!UsV7=InJlVWlvk-T^W~KGz=~j=ineIKuHO+U!8o>MN}8Uts(l^2q^C
zRBE5ci{$!&L^ikUsm_w;$<^_sZ6S_H@@;Zu!pfyk4{C{P<ls#!5tVPsx2X4o+?+~g
zvM16b%Ve+KDG0O!#<Dq!3g(EA5Ou{jB*#TpUN?!Ab^TmF%ZnA=^i$<zv(xAtl<m%(
z{3;ii-3X{fqotU=*UMIl1wulvt?3yt_-%7@RSfEx@A9R%=lpQKh{w8L*2x-*Va!;S
z^=2LhAyh-*)-|cO9+-KbF2Hr2QDZ|-`!3-;lyg|$I{Lb6o>_p2huDW6dXILRDse4N
z;{qZ@VnlCS_o1Gu)?cXb7h~UV?%}S1&*8c5LW8puu>Bcg0J69Y;ZULq?S>DH@-D^z
zXVj}z7T1*w8!a@rZ2|iqZEsh~cqH!A8|IW5;+bl<z50Y$sr0sh*Pq=P0;%D224@ga
z!Uqk+%BCcO5Yru0HCp&@K=ev@rfAjdxkhi`IK7{bw-!N83D?~jxi8#t=kIsnG@HZ$
zFWU&P0?$(#OYA0fB8gsFmez?V`Z2`YWg%Ux&S3Wj`n)3lHB(65rmL6`%D8wX91d9a
LP&R5O6TSEYKoz7%

diff --git a/test/shaping/fonts/sha1sum/8228d035fcd65d62ec9728fb34f42c63be93a5d3.ttf b/test/shaping/fonts/sha1sum/8228d035fcd65d62ec9728fb34f42c63be93a5d3.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..a5415467afe1c7e841488328df0d6e1bd86b018d
GIT binary patch
literal 784
zcmY*XO-NKx6#nkL?~RU5Nhr9>Azc`O#SDd*K}{_!Lk)x$^&H0;W5yYDjIos>K?qih
zgp#PNRn)>Zxd<Ytpj{L)xhbM#Ad+c7+ReMK@6Px`_q}t^`OZDR_gn}7b(n@iu($tk
zXyIe|10dR|y&O$B8O*D<#P^BM#FJAauY7+F5^oSMCt}WU`TCa-<>#bh2`c>WRX^o*
zQd=UG&Fy)lv$VfK+>}g59VD?p{GB+Ea&j5eqmj6lI5_5{VsfQ!6OblfXC^(7Jvu&}
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literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fallback-positioning.tests b/test/shaping/tests/fallback-positioning.tests
index 0529b24b6..3eace30c8 100644
--- a/test/shaping/tests/fallback-positioning.tests
+++ b/test/shaping/tests/fallback-positioning.tests
@@ -1,2 +1 @@
-fonts/sha1sum/7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf:--font-funcs=ft:U+0078,U+0301,U+0058,U+0301:[x=0+1030|acutecomb=0@-45,-32+0|X=2+1295|acutecomb=2@-171,310+0]
-fonts/sha1sum/7ef276fc886ea502a03b9b0e5c8b547d5dc2b61c.ttf:--font-funcs=ot:U+0078,U+0301,U+0058,U+0301:[x=0+1030|acutecomb=0@-21,-27+0|X=2+1295|acutecomb=2@-147,321+0]
+fonts/sha1sum/8228d035fcd65d62ec9728fb34f42c63be93a5d3.ttf::U+0078,U+0301,U+0058,U+0301:[x=0+1030|acutecomb=0@-21,-27+0|X=2+1295|acutecomb=2@-147,320+0]

From b68fba4dc81ce2e7552c5d50a93013281889a65b Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Fri, 3 Nov 2017 14:27:33 +0200
Subject: [PATCH 0615/1326] [test] Use glyph ids instead of forcing ft funcs

We were using ft funcs because these are CFF fonts, but we can avoid
glyph names instead and keep testing both ot and ft.
---
 test/shaping/tests/indic-consonant-with-stacker.tests | 8 ++++----
 test/shaping/tests/indic-script-extensions.tests      | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/test/shaping/tests/indic-consonant-with-stacker.tests b/test/shaping/tests/indic-consonant-with-stacker.tests
index 6a6ea7c10..97dc04045 100644
--- a/test/shaping/tests/indic-consonant-with-stacker.tests
+++ b/test/shaping/tests/indic-consonant-with-stacker.tests
@@ -1,4 +1,4 @@
-fonts/sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf:--font-funcs=ft:U+0CF1,U+0C95:[uni0CF1=0+1129|uni0C95_uni0CCD.blwf=1+358]
-fonts/sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf:--font-funcs=ft:U+0CF2,U+0CAA:[uni0CF2=0+1539|uni0CAA_uni0CCD.blwf=1+245]
-fonts/sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf:--font-funcs=ft:U+0CF1:[uni0CF1=0+1129]
-fonts/sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf:--font-funcs=ft:U+0CF2:[uni0CF2=0+1539]
+fonts/sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf:--no-glyph-names:U+0CF1,U+0C95:[2=0+1129|3=1+358]
+fonts/sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf:--no-glyph-names:U+0CF2,U+0CAA:[2=0+1539|3=1+245]
+fonts/sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf:--no-glyph-names:U+0CF1:[1=0+1129]
+fonts/sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf:--no-glyph-names:U+0CF2:[1=0+1539]
diff --git a/test/shaping/tests/indic-script-extensions.tests b/test/shaping/tests/indic-script-extensions.tests
index e336bfcc5..92bb978de 100644
--- a/test/shaping/tests/indic-script-extensions.tests
+++ b/test/shaping/tests/indic-script-extensions.tests
@@ -1,2 +1,2 @@
 fonts/sha1sum/3493e92eaded2661cadde752a39f9d58b11f0326.ttf::U+0BA4,U+0BC6,U+1133C,U+0BAA,U+1133C,U+0BC6,U+1133C:[u0BC6=0+2093|u1133C=0+0|u0BA4=0+1863|u0BC6=3+2093|u1133C=3+0|u0BAA=3+1706|u1133C=3+0]
-fonts/sha1sum/b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf:--font-funcs=ft:U+0BAA,U+11301,U+11303:[uni0BAA=0+535|u11301=0+0|u11303=0+310]
+fonts/sha1sum/b151cfcdaa77585d77f17a42158e0873fc8e2633.ttf:--no-glyph-names:U+0BAA,U+11301,U+11303:[1=0+535|2=0+0|3=0+310]

From 8eed9cb11e28728a58e265fde5c13f519ccbdb4e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 9 Nov 2017 18:09:40 -0800
Subject: [PATCH 0616/1326] [kern] Fix invalid memory access if offset is zero

If offset is zero, we return Null() object.  Wasn't prepared for that.

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4088
---
 src/hb-ot-kern-table.hh                           |   9 +++++----
 .../243798dd281c1c77c065958e1ff467420faa9bde.ttf  | Bin 0 -> 225 bytes
 test/shaping/tests/fuzzed.tests                   |   1 +
 3 files changed, 6 insertions(+), 4 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf

diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index 074eba32a..5fd2e20e6 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -117,10 +117,11 @@ struct KernSubTableFormat2
     unsigned int l = (this+leftClassTable).get_class (left);
     unsigned int r = (this+leftClassTable).get_class (left);
     unsigned int offset = l * rowWidth + r * sizeof (FWORD);
-    const FWORD *v = &StructAtOffset<FWORD> (&(this+array), offset);
-    /* Untested code, as I have not been able to find ANY kern table format-2 yet. */
-    assert (&(this+array) <= v);
-    if (unlikely (v + 1 > (const FWORD *) end))
+    const FWORD *arr = &(this+array);
+    if (unlikely ((const void *) arr < (const void *) this || (const void *) arr >= (const void *) end))
+      return 0;
+    const FWORD *v = &StructAtOffset<FWORD> (arr, offset);
+    if (unlikely ((const void *) v < (const void *) arr || (const void *) (v + 1) > (const void *) end))
       return 0;
     return *v;
   }
diff --git a/test/shaping/fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf b/test/shaping/fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..dd8506eff2d450dfe9f908816591a2df5d627cce
GIT binary patch
literal 225
zcmZQzWME+6RzL^;(FLf%&rU7M1DOM~aR;U5F@W67045a}n82nAFmN(3z{~~8fkhPn
D)s7nT

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/fuzzed.tests
index 1f51e4412..53e9187e6 100644
--- a/test/shaping/tests/fuzzed.tests
+++ b/test/shaping/tests/fuzzed.tests
@@ -15,3 +15,4 @@ fonts/sha1sum/a34a9191d9376bda419836effeef7e75c1386016.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf:--font-funcs=ot:U+0041:[gid0=0+1229]
 fonts/sha1sum/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]

From 4de03a1585cf735e3ac09847af761ff85fca5a02 Mon Sep 17 00:00:00 2001
From: Martin Hosken <martin_hosken@sil.org>
Date: Fri, 10 Nov 2017 13:47:38 +0700
Subject: [PATCH 0617/1326] Fix graphite intergration reordered clusters
 problem

---
 src/hb-graphite2.cc | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 6f0598dd0..531c2ad6e 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -307,6 +307,8 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
     curradv = gr_slot_origin_X(gr_seg_first_slot(seg));
     clusters[0].advance = gr_seg_advance_X(seg) - curradv;
   }
+  else
+    clusters[0].advance = 0;
   for (is = gr_seg_first_slot (seg), ic = 0; is; is = gr_slot_next_in_segment (is), ic++)
   {
     unsigned int before = gr_slot_before (is);
@@ -332,7 +334,10 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
       if (HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
         c->advance = curradv - gr_slot_origin_X(is);
       else
-        clusters[ci].advance = gr_slot_origin_X(is) - curradv;
+      {
+        c->advance = 0;
+        clusters[ci].advance += gr_slot_origin_X(is) - curradv;
+      }
       ci++;
       curradv = gr_slot_origin_X(is);
     }
@@ -345,7 +350,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   if (HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
     clusters[ci].advance += curradv;
   else
-    clusters[ci].advance = gr_seg_advance_X(seg) - curradv;
+    clusters[ci].advance += gr_seg_advance_X(seg) - curradv;
   ci++;
 
   for (unsigned int i = 0; i < ci; ++i)

From e4da38020021a92afa4062ed676f286945070dc4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 10 Nov 2017 17:14:27 -0800
Subject: [PATCH 0618/1326] [coretext/uniscribe/directwrite/graphite/fallback]
 Update for unsafe-to-break

Fixes https://github.com/behdad/harfbuzz/issues/615

We'll see which bots I broke.
---
 src/hb-buffer-private.hh | 17 +++++++++++++++--
 src/hb-coretext.cc       |  2 ++
 src/hb-directwrite.cc    |  3 +--
 src/hb-fallback-shape.cc |  2 ++
 src/hb-graphite2.cc      |  2 ++
 src/hb-uniscribe.cc      |  2 ++
 6 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 0b8d7c89f..4913da6a5 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -305,7 +305,7 @@ struct hb_buffer_t {
     info.cluster = cluster;
   }
 
-  int
+  inline int
   _unsafe_to_break_find_min_cluster (const hb_glyph_info_t *info,
 				     unsigned int start, unsigned int end,
 				     unsigned int cluster) const
@@ -314,7 +314,7 @@ struct hb_buffer_t {
       cluster = MIN<unsigned int> (cluster, info[i].cluster);
     return cluster;
   }
-  void
+  inline void
   _unsafe_to_break_set_mask (hb_glyph_info_t *info,
 			     unsigned int start, unsigned int end,
 			     unsigned int cluster)
@@ -326,6 +326,19 @@ struct hb_buffer_t {
 	info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
       }
   }
+
+  inline void
+  unsafe_to_break_all (void)
+  {
+    for (unsigned int i = 0; i < len; i++)
+      info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+  }
+  inline void
+  safe_to_break_all (void)
+  {
+    for (unsigned int i = 0; i < len; i++)
+      info[i].mask &= ~HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+  }
 };
 
 
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 90c9cd397..86ca17fb2 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -1262,6 +1262,8 @@ resize_and_retry:
     }
   }
 
+  buffer->unsafe_to_break_all ();
+
 #undef FAIL
 
 fail:
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 25749de8c..0674ef9bc 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -927,8 +927,7 @@ hb_directwrite_shape_experimental_width(hb_font_t          *font,
   hb_bool_t res = _hb_directwrite_shape_full (shape_plan, font, buffer,
     features, num_features, width);
 
-  if (res)
-    buffer->content_type = HB_BUFFER_CONTENT_TYPE_GLYPHS;
+  buffer->unsafe_to_break_all ();
 
   return res;
 }
diff --git a/src/hb-fallback-shape.cc b/src/hb-fallback-shape.cc
index 4b60c6c34..3f09c3f53 100644
--- a/src/hb-fallback-shape.cc
+++ b/src/hb-fallback-shape.cc
@@ -143,5 +143,7 @@ _hb_fallback_shape (hb_shape_plan_t    *shape_plan HB_UNUSED,
   if (HB_DIRECTION_IS_BACKWARD (direction))
     hb_buffer_reverse (buffer);
 
+  buffer->safe_to_break_all ();
+
   return true;
 }
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 531c2ad6e..62aaae9e8 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -416,5 +416,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
   if (feats) gr_featureval_destroy (feats);
   gr_seg_destroy (seg);
 
+  buffer->unsafe_to_break_all ();
+
   return true;
 }
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 484134570..0b0bad58d 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -1032,6 +1032,8 @@ retry:
   if (backward)
     hb_buffer_reverse (buffer);
 
+  buffer->unsafe_to_break_all ();
+
   /* Wow, done! */
   return true;
 }

From e5d709889200571b62a611e0f44a410591983f8a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 13 Nov 2017 09:42:37 -0800
Subject: [PATCH 0619/1326] 1.7.0

---
 NEWS         | 12 ++++++++++++
 configure.ac |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 094094043..f3b7768b7 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,15 @@
+Overview of changes leading to 1.7.0
+Monday, November 13, 2017
+====================================
+
+- Minor Indic fixes.
+- Implement kerning and glyph names in hb-ot-font.
+- Various DSO optimization re .data and .bss sizes.
+- Make C++11 optional; build fixes.
+- Mark all other backends "unsafe-to-break".
+- Graphite fix.
+
+
 Overview of changes leading to 1.6.3
 Thursday, October 26th, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index b4c79a39b..8faf3410f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.6.3],
+        [1.7.0],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 7f39f576148643b4790fd70361e328b4b4da3149 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 13 Nov 2017 15:04:13 -0800
Subject: [PATCH 0620/1326] Implement strtod_l() on MSVC

Patch from Jean Ghali on mailing list.
---
 src/hb-common.cc | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 5c4a2c76f..92720d9e7 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -699,34 +699,43 @@ parse_uint32 (const char **pp, const char *end, uint32_t *pv)
 
 #if defined (HAVE_NEWLOCALE) && defined (HAVE_STRTOD_L)
 #define USE_XLOCALE 1
+#define HB_LOCALE_T locale_t
+#define HB_CREATE_LOCALE(locName) newlocale (LC_ALL_MASK, locName, nullptr)
+#define HB_FREE_LOCALE(loc) freelocale (loc)
+#elif defined(_MSC_VER)
+#define USE_XLOCALE 1
+#define HB_LOCALE_T _locale_t
+#define HB_CREATE_LOCALE(locName) _create_locale (LC_ALL, locName)
+#define HB_FREE_LOCALE(loc) _free_locale (loc)
+#define strtod_l(a, b, c) _strtod_l ((a), (b), (c))
 #endif
 
 #ifdef USE_XLOCALE
 
-static locale_t C_locale;
+static HB_LOCALE_T C_locale;
 
 #ifdef HB_USE_ATEXIT
 static void
 free_C_locale (void)
 {
   if (C_locale)
-    freelocale (C_locale);
+    HB_FREE_LOCALE (C_locale);
 }
 #endif
 
-static locale_t
+static HB_LOCALE_T
 get_C_locale (void)
 {
 retry:
-  locale_t C = (locale_t) hb_atomic_ptr_get (&C_locale);
+  HB_LOCALE_T C = (HB_LOCALE_T) hb_atomic_ptr_get (&C_locale);
 
   if (unlikely (!C))
   {
-    C = newlocale (LC_ALL_MASK, "C", nullptr);
+    C = HB_CREATE_LOCALE ("C");
 
     if (!hb_atomic_ptr_cmpexch (&C_locale, nullptr, C))
     {
-      freelocale (C_locale);
+      HB_FREE_LOCALE (C_locale);
       goto retry;
     }
 

From 83d68027360ff655d3b59371fb606fc9e40df4ac Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 13 Nov 2017 20:25:02 -0800
Subject: [PATCH 0621/1326] Clean up GlyphID

After 4a27c17ea0234dfe33e62f5830d9f92c26d48d30 we do not need
the special GlyphID.cmp(hb_codepoint_t), so just make GlyphID
a typedef.

Fixes https://github.com/behdad/harfbuzz/issues/612
---
 src/hb-open-type-private.hh | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 2687ba664..de5e9917f 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -697,10 +697,7 @@ struct Tag : ULONG
 DEFINE_NULL_DATA (Tag, "    ");
 
 /* Glyph index number, same as uint16 (length = 16 bits) */
-struct GlyphID : USHORT {
-  static inline int cmp (const GlyphID *a, const GlyphID *b) { return b->USHORT::cmp (*a); }
-  inline int cmp (hb_codepoint_t a) const { return (int) a - (int) *this; }
-};
+typedef USHORT GlyphID;
 
 /* Script/language-system/feature index */
 struct Index : USHORT {

From c48475f33ab88be6664d41b039f7be7c3e56a5a7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 13 Nov 2017 20:26:29 -0800
Subject: [PATCH 0622/1326] Whitespace

---
 src/hb-open-type-private.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index de5e9917f..a12c4d236 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -635,9 +635,9 @@ struct IntType
   DEFINE_SIZE_STATIC (Size);
 };
 
-typedef	IntType<int8_t	, 1> CHAR;	/* 8-bit signed integer. */
-typedef	IntType<uint8_t	, 1> BYTE;	/* 8-bit unsigned integer. */
-typedef	IntType<int8_t	, 1> INT8;	/* 8-bit signed integer. */
+typedef IntType<int8_t,   1> CHAR;	/* 8-bit signed integer. */
+typedef IntType<uint8_t,  1> BYTE;	/* 8-bit unsigned integer. */
+typedef IntType<int8_t,   1> INT8;	/* 8-bit signed integer. */
 typedef IntType<uint16_t, 2> USHORT;	/* 16-bit unsigned integer. */
 typedef IntType<int16_t,  2> SHORT;	/* 16-bit signed integer. */
 typedef IntType<uint32_t, 4> ULONG;	/* 32-bit unsigned integer. */

From 93f7c1652a05e806c2e3ac7edf498d2f4a508a3a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 10:59:54 -0800
Subject: [PATCH 0623/1326] Revert "[glib/ucdn/icu/ft/ot] Make returned funcs
 inert"

This reverts commit 5daf3bd4494cce6b4fb074533be9e99c4d9e0edd.

If other atexit callbacks try to destruct the objects we destruct
in atexit callbacks, bad things will happen.

I'll come up with some other way to catch premature destruction
of HB-owned objects.

Fixes https://github.com/behdad/harfbuzz/issues/618
---
 src/hb-ft.cc             |  3 ---
 src/hb-glib.cc           |  3 ---
 src/hb-icu.cc            |  3 ---
 src/hb-object-private.hh | 35 +++++------------------------------
 src/hb-ot-font.cc        |  3 ---
 src/hb-ucdn.cc           |  3 ---
 6 files changed, 5 insertions(+), 45 deletions(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 68c774547..0f15f8c3d 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -423,7 +423,6 @@ static hb_font_funcs_t *static_ft_funcs = nullptr;
 static
 void free_static_ft_funcs (void)
 {
-  hb_object_undo_inert (static_ft_funcs);
   hb_font_funcs_destroy (static_ft_funcs);
 }
 #endif
@@ -454,10 +453,8 @@ retry:
     hb_font_funcs_set_glyph_from_name_func (funcs, hb_ft_get_glyph_from_name, nullptr, nullptr);
 
     hb_font_funcs_make_immutable (funcs);
-    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_ft_funcs, nullptr, funcs)) {
-      hb_object_undo_inert (funcs);
       hb_font_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-glib.cc b/src/hb-glib.cc
index 31de68e86..50c30e9c7 100644
--- a/src/hb-glib.cc
+++ b/src/hb-glib.cc
@@ -370,7 +370,6 @@ static hb_unicode_funcs_t *static_glib_funcs = nullptr;
 static
 void free_static_glib_funcs (void)
 {
-  hb_object_undo_inert (static_glib_funcs);
   hb_unicode_funcs_destroy (static_glib_funcs);
 }
 #endif
@@ -391,10 +390,8 @@ retry:
 #undef HB_UNICODE_FUNC_IMPLEMENT
 
     hb_unicode_funcs_make_immutable (funcs);
-    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_glib_funcs, nullptr, funcs)) {
-      hb_object_undo_inert (funcs);
       hb_unicode_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-icu.cc b/src/hb-icu.cc
index 44a198937..552eaeca5 100644
--- a/src/hb-icu.cc
+++ b/src/hb-icu.cc
@@ -351,7 +351,6 @@ static hb_unicode_funcs_t *static_icu_funcs = nullptr;
 static
 void free_static_icu_funcs (void)
 {
-  hb_object_undo_inert (static_icu_funcs);
   hb_unicode_funcs_destroy (static_icu_funcs);
 }
 #endif
@@ -380,10 +379,8 @@ retry:
 #undef HB_UNICODE_FUNC_IMPLEMENT
 
     hb_unicode_funcs_make_immutable (funcs);
-    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_icu_funcs, nullptr, funcs)) {
-      hb_object_undo_inert (funcs);
       hb_unicode_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-object-private.hh b/src/hb-object-private.hh
index 0dada492c..baa1f8f05 100644
--- a/src/hb-object-private.hh
+++ b/src/hb-object-private.hh
@@ -41,10 +41,9 @@
 
 /* reference_count */
 
-#define HB_REFERENCE_COUNT_UNCHANGABLE_VALUE	-0x53043
-#define HB_REFERENCE_COUNT_UNREFFABLE_VALUE	-0x07734
-#define HB_REFERENCE_COUNT_UNTOUCHABLE_VALUE	-0xBEDAD
-#define HB_REFERENCE_COUNT_INIT {HB_ATOMIC_INT_INIT (HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)}
+#define HB_REFERENCE_COUNT_INERT_VALUE -1
+#define HB_REFERENCE_COUNT_POISON_VALUE -0x0000DEAD
+#define HB_REFERENCE_COUNT_INIT {HB_ATOMIC_INT_INIT(HB_REFERENCE_COUNT_INERT_VALUE)}
 
 struct hb_reference_count_t
 {
@@ -54,23 +53,9 @@ struct hb_reference_count_t
   inline int get_unsafe (void) const { return ref_count.get_unsafe (); }
   inline int inc (void) { return ref_count.inc (); }
   inline int dec (void) { return ref_count.dec (); }
-  inline void finish (void) { ref_count.set_unsafe (HB_REFERENCE_COUNT_UNTOUCHABLE_VALUE); }
+  inline void finish (void) { ref_count.set_unsafe (HB_REFERENCE_COUNT_POISON_VALUE); }
 
-  inline void make_inert (void)
-  {
-    if (get_unsafe () == HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)
-      return;
-    ref_count.set_unsafe (HB_REFERENCE_COUNT_UNREFFABLE_VALUE);
-  }
-  inline void undo_inert (void)
-  {
-    if (get_unsafe () == HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)
-      return;
-    assert (get_unsafe () == HB_REFERENCE_COUNT_UNREFFABLE_VALUE);
-    ref_count.set_unsafe (1);
-  }
-
-  inline bool is_inert (void) const { return ref_count.get_unsafe () < 0; }
+  inline bool is_inert (void) const { return ref_count.get_unsafe () == HB_REFERENCE_COUNT_INERT_VALUE; }
   inline bool is_valid (void) const { return ref_count.get_unsafe () > 0; }
 };
 
@@ -161,16 +146,6 @@ static inline bool hb_object_is_valid (const Type *obj)
   return likely (obj->header.ref_count.is_valid ());
 }
 template <typename Type>
-static inline void hb_object_make_inert (Type *obj)
-{
-  obj->header.ref_count.make_inert ();
-}
-template <typename Type>
-static inline void hb_object_undo_inert (Type *obj)
-{
-  obj->header.ref_count.undo_inert ();
-}
-template <typename Type>
 static inline Type *hb_object_reference (Type *obj)
 {
   hb_object_trace (obj, HB_FUNC);
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 72d3c5836..47416012c 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -663,7 +663,6 @@ static hb_font_funcs_t *static_ot_funcs = nullptr;
 static
 void free_static_ot_funcs (void)
 {
-  hb_object_undo_inert (static_ot_funcs);
   hb_font_funcs_destroy (static_ot_funcs);
 }
 #endif
@@ -694,10 +693,8 @@ retry:
     hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr);
 
     hb_font_funcs_make_immutable (funcs);
-    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_ot_funcs, nullptr, funcs)) {
-      hb_object_undo_inert (funcs);
       hb_font_funcs_destroy (funcs);
       goto retry;
     }
diff --git a/src/hb-ucdn.cc b/src/hb-ucdn.cc
index 99266724f..9515bda25 100644
--- a/src/hb-ucdn.cc
+++ b/src/hb-ucdn.cc
@@ -237,7 +237,6 @@ static hb_unicode_funcs_t *static_ucdn_funcs = nullptr;
 static
 void free_static_ucdn_funcs (void)
 {
-  hb_object_undo_inert (static_ucdn_funcs);
   hb_unicode_funcs_destroy (static_ucdn_funcs);
 }
 #endif
@@ -259,10 +258,8 @@ retry:
 #undef HB_UNICODE_FUNC_IMPLEMENT
 
     hb_unicode_funcs_make_immutable (funcs);
-    hb_object_make_inert (funcs);
 
     if (!hb_atomic_ptr_cmpexch (&static_ucdn_funcs, nullptr, funcs)) {
-      hb_object_undo_inert (funcs);
       hb_unicode_funcs_destroy (funcs);
       goto retry;
     }

From f93c6f8bfa228e95311d8d6d02dcc64b603c6e36 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 11:09:19 -0800
Subject: [PATCH 0624/1326] 1.7.1

---
 NEWS         | 8 ++++++++
 configure.ac | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index f3b7768b7..ba9a88668 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Overview of changes leading to 1.7.1
+Tuesday, November 14, 2017
+====================================
+
+- Fix atexit object destruction regression.
+- Fix minor integer-overflow.
+
+
 Overview of changes leading to 1.7.0
 Monday, November 13, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 8faf3410f..7c3aa0336 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.7.0],
+        [1.7.1],
         [https://github.com/behdad/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 87f0ad183c489ef3208cf454d43c448638316092 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Thu, 2 Nov 2017 10:59:25 -0400
Subject: [PATCH 0625/1326] Allow U+20F0 in USE clusters

---
 src/gen-use-table.py                          |   4 +++
 src/hb-ot-shape-complex-use-table.cc          |  34 +++++++++++-------
 ...4a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf | Bin 0 -> 2296 bytes
 test/shaping/tests/use-syllable.tests         |   1 +
 4 files changed, 26 insertions(+), 13 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index 09cc64fa6..c18b1e039 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -44,6 +44,7 @@ defaults = ('Other', 'Not_Applicable', 'Cn', 'No_Block')
 # TODO Characters that are not in Unicode Indic files, but used in USE
 data[0][0x034F] = defaults[0]
 data[0][0x2060] = defaults[0]
+data[0][0x20F0] = defaults[0]
 for u in range (0xFE00, 0xFE0F + 1):
 	data[0][u] = defaults[0]
 
@@ -303,6 +304,9 @@ def map_to_use(data):
 		# TODO: https://github.com/behdad/harfbuzz/issues/525
 		if U == 0x1A7F: UISC = Consonant_Final; UIPC = Bottom
 
+		# TODO: https://github.com/behdad/harfbuzz/pull/609
+		if U == 0x20F0: UISC = Cantillation_Mark; UIPC = Top
+
 		values = [k for k,v in items if v(U,UISC,UGC)]
 		assert len(values) == 1, "%s %s %s %s" % (hex(U), UISC, UGC, values)
 		USE = values[0]
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index 1f90fc858..ab6730db0 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -348,7 +348,14 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 2070 */     O,     O,     O,     O,    FM,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 2080 */     O,     O,    FM,    FM,    FM,     O,     O,     O,
 
-#define use_offset_0xa800u 2616
+#define use_offset_0x20f0u 2616
+
+
+  /* Combining Diacritical Marks for Symbols */
+
+  /* 20F0 */ VMAbv,     O,     O,     O,     O,     O,     O,     O,
+
+#define use_offset_0xa800u 2624
 
 
   /* Syloti Nagri */
@@ -435,7 +442,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* AAE0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPre,  VBlw,  VAbv,  VPre,  VPst,
   /* AAF0 */     O,     O,     O,     O,     O, VMPst,     H,     O,
 
-#define use_offset_0xabc0u 3376
+#define use_offset_0xabc0u 3384
 
 
   /* Meetei Mayek */
@@ -445,14 +452,14 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* ABE0 */     B,     B,     B,  VPst,  VPst,  VAbv,  VPst,  VPst,  VBlw,  VPst,  VPst,     O, VMPst,  VBlw,     O,     O,
   /* ABF0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0xfe00u 3440
+#define use_offset_0xfe00u 3448
 
 
   /* Variation Selectors */
 
   /* FE00 */    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,
 
-#define use_offset_0x10a00u 3456
+#define use_offset_0x10a00u 3464
 
 
   /* Kharoshthi */
@@ -463,7 +470,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 10A30 */     B,     B,     B,     B,     O,     O,     O,     O, CMAbv, CMBlw, CMBlw,     O,     O,     O,     O,     H,
   /* 10A40 */     B,     B,     B,     B,     B,     B,     B,     B,
 
-#define use_offset_0x11000u 3528
+#define use_offset_0x11000u 3536
 
 
   /* Brahmi */
@@ -484,7 +491,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 110A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 110B0 */  VPst,  VPre,  VPst,  VBlw,  VBlw,  VAbv,  VAbv,  VPst,  VPst,     H, CMBlw,     O,     O,     O,     O,     O,
 
-#define use_offset_0x11100u 3720
+#define use_offset_0x11100u 3728
 
 
   /* Chakma */
@@ -522,7 +529,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11220 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPst,  VPst,  VPst,  VBlw,
   /* 11230 */  VAbv,  VAbv,  VAbv,  VAbv, VMAbv,     H, CMAbv, CMAbv,     O,     O,     O,     O,     O,     O, VMAbv,     O,
 
-#define use_offset_0x11280u 4040
+#define use_offset_0x11280u 4048
 
 
   /* Multani */
@@ -550,7 +557,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11360 */     B,     B,  VPst,  VPst,     O,     O, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,
   /* 11370 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,
 
-#define use_offset_0x11400u 4288
+#define use_offset_0x11400u 4296
 
 
   /* Newa */
@@ -573,7 +580,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 114C0 */ VMAbv, VMPst,     H, CMBlw,     B,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 114D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0x11580u 4512
+#define use_offset_0x11580u 4520
 
 
   /* Siddham */
@@ -616,7 +623,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11720 */  VPst,  VPst,  VAbv,  VAbv,  VBlw,  VBlw,  VPre,  VAbv,  VBlw,  VAbv,  VAbv,  VAbv,     O,     O,     O,     O,
   /* 11730 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,
 
-#define use_offset_0x11a00u 4960
+#define use_offset_0x11a00u 4968
 
 
   /* Zanabazar Square */
@@ -635,7 +642,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11A80 */     B,     B,     B,     B,     O,     O,     R,     R,     R,     R,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,
   /* 11A90 */  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw, VMAbv, VMPst, CMAbv,     H,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0x11c00u 5120
+#define use_offset_0x11c00u 5128
 
 
   /* Bhaiksuki */
@@ -656,7 +663,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11CA0 */   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,     O,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,
   /* 11CB0 */  VBlw,  VPre,  VBlw,  VAbv,  VPst, VMAbv, VMAbv,     O,
 
-#define use_offset_0x11d00u 5304
+#define use_offset_0x11d00u 5312
 
 
   /* Masaram Gondi */
@@ -668,7 +675,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11D40 */ VMAbv, VMAbv, CMBlw,  VAbv,  VBlw,     H,     R,  MBlw,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 11D50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
-}; /* Table items: 5400; occupancy: 73% */
+}; /* Table items: 5408; occupancy: 73% */
 
 USE_TABLE_ELEMENT_TYPE
 hb_use_get_categories (hb_codepoint_t u)
@@ -694,6 +701,7 @@ hb_use_get_categories (hb_codepoint_t u)
     case 0x2u:
       if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2017u)) return use_table[u - 0x2008u + use_offset_0x2008u];
       if (hb_in_range<hb_codepoint_t> (u, 0x2060u, 0x2087u)) return use_table[u - 0x2060u + use_offset_0x2060u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x20F0u, 0x20F7u)) return use_table[u - 0x20F0u + use_offset_0x20f0u];
       if (unlikely (u == 0x25CCu)) return GB;
       break;
 
diff --git a/test/shaping/fonts/sha1sum/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf b/test/shaping/fonts/sha1sum/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..ad8ad840622f0610e255650cd18b156501b550f7
GIT binary patch
literal 2296
zcmZuyZA?>V6h8O1#R^!yT0fZ3%YqU7f>s4*aNbdbKRC#gEz@PQ6b4laq!gyakn1+x
zW=-UWF)Sm?Hk17@CYy04`ytDnIFn8MNVcJIi8Et5AQLfDS}gYLd2hkQWw*KKea?BG
z^PKa(_x8Ru+qc(HDrsaQ)l*rite+bAi->+9GIv&0Y^kJ$WFeXdpR%iJYqss|)tvAr
z;a{uTR#$%Lr{hbBtUCOXnr%hy<89tAh%D#e@A3t_?JF)vv%oKaf26t5+mO<clZ5$d
z!EZ*u)FtP@?}MM;90=`AlApW||9$xOfOl^@S!w}k2zOGeH_&Jw%(nrerj*>?))C@E
z<c9t?m{*9vMYj@}Ws)SxTG#3iHFksqem<H;QKuAD<fvkbE;i2`2uJ&;k69v%(|RA@
z%Zx0|pd@6ZIi4%?bhi54#g)ZkSnu(4x?F4B#ln`9dfM9e1^rFUA*H}qsJM$=rK^+*
zZ<oJ8@w5f&8$+SFiYWPki7aRX8+(c#OZ!cOKig*PEbkuB984u%EzCSzqQjIDQ}!*O
zJ9#S8%8%f#{7}dA_f9$;4l})2t}zu{Qkk!>(-Yi8!i`tKU4D`-gu|zqFE|P0<+6y$
zARBVow=@g$%>l^6V1BJvYYc~9^PNc$60Aa0=3&vp#Q`mBu}wuLqh5!S9HTSBCi`F`
z+DtlztC5SaGq!`U(c%~hr+U_rpUy;f<N?Q0zk;>>%Ct{ISJ%8MmhLH2nKrD2**K^(
zZ62C4RfzF<%<?%*B+NiHkp3INh*`r7B1YxQ$dJlqJ_&7}`BZnrEMr9xYs5NsH)4rc
zR^N?TW7gHKm?hW7@v##+%b(=x4(9lI<QJS(nHC*Yu_MwZjd^H~ihY`PX-t+v=tZ7@
zWcmR$BQJp|Jy5O8S8l@paW`QVnIpuMJ`Ypr2f)m9tGP@WF0sQ|cIZutsGJI=iJfry
z5==Zp2fCvI%?FX=CSiFKm}C-DFA6kIpv^E(l8O0#F3g0kGC$Y~bH7awqmg@8MD%My
z;bR)iAG(ui*S9KKUZXn1nvMyn91x^lM5z=;I*c_C9Ys)%Yf0dK44C$g#$?L?O5F^U
zc1lG7tOo)6%NnYDiL&={41=P7KZcp`2v_v*-$q8riSCc6OmF0fZE|0S&O*Gu+<%#p
zm`B?I#|A`oW7}`YV%tYfAR0Riy>TDV=vfW>GNKXe?Q#fYUsaj!7C<%6p^6=@z!YVa
z>FE3*qR9_o7QCwgT}A#R6J{p_+KQOHg~XEb9EfI*BH;AvFyFy-4(NCwE}$j7#C&TU
z`^f(+(NXx}0!+;mAUgE|&~!kv+M=qXH%oj?vby_v`uqF(`ultOy1RRNx^q+T0m7f%
zxKmskr{78|dqgRwQ4t<q{0LtqjLM%&<M<lNR+Dh8B#Qwl4~30u@*=WJQ<M+<xzI9L
zJLE-)97A0Y=PnDGrD3U8eDUPNviRa2NsQ8Ma!JsZ$zn((5@b@$bE&m&Z)qT1nPfI8
zyn%Mi(nSA>OTpJvbZ4d#v>}=21DE4YV2Nz-5?BVVoy9ilqBqGyZPZTtC`f*4qGk#~
ztAKn|h|x{O<f2kq1zbU1@cq;PEOLTWPmN%QsE%3@55enzeFb9^by5rXK|?PD{SMkl
zMfmv;Ys5?l8C^g=C<X9qgGL9fF?5^2YllKTH2h#R7#uHfD`vWp6-1;6ovlHCMPP}F
zUW`Jm0iL+T?um`U^Pyzi)ne6#Z<_VZSSJoAFeQ?e$z?-~|65}GJ>zDH!3F{6t+-Uf
z8oCP3Q*jH%GMshd#{NrLig6qJp49~0gt*!00)XEWXW#!^qN_v=p@`$q=u{j<Mg?^1
zM)&55%IfWu-4yh;Qg+B2Xn_s1xGCFMDPDZz4Zupg^<4q71@;8?kbPDmp(|sps==1<
zHcM2AsuE>l7erN)kuP>Couv4PG)@wmg++#hBXJzrLPun#8ku%l0W1zp^E0`1@_r~Z
m%OOOQ1d}^Ngg=vm;EJc=rghJ(C*N34zOkPCr|SWA?)n$u?%k>Y

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/use-syllable.tests b/test/shaping/tests/use-syllable.tests
index ab050c91d..e06e2fa20 100644
--- a/test/shaping/tests/use-syllable.tests
+++ b/test/shaping/tests/use-syllable.tests
@@ -2,3 +2,4 @@ fonts/sha1sum/96490dd2ff81233b335a650e7eb660e0e7b2eeea.ttf::U+AA00,U+AA2D,U+AA29
 fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA34,U+AA36:[raMedial_cham_pre=0+400|a_cham=0+1121|waMedial_cham=0@-32,0+0]
 fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA35,U+AA33:[a_cham=0+1121|laMedial_cham=0@-32,0+0|yaMedial_cham=0+542]
 fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA35,U+AA36:[a_cham=0+1121|laMedial_waMedial_cham=0@43,0+0]
+fonts/sha1sum/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf:--no-glyph-names:U+11320,U+20F0,U+11367:[3=0+502|1=0@33,0+0|4=0@300,8+0]

From 7fdf16b2ceb709b78654f99e6513fa878cd4d575 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 14:40:11 -0800
Subject: [PATCH 0626/1326] Fix compiler warning

---
 src/hb-string-array.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-string-array.hh b/src/hb-string-array.hh
index 285b4b535..ba829b0cf 100644
--- a/src/hb-string-array.hh
+++ b/src/hb-string-array.hh
@@ -48,7 +48,7 @@ static const union HB_STRING_ARRAY_TYPE_NAME {
 #include HB_STRING_ARRAY_LIST
 #undef _S
   } st;
-  char str[0];
+  char str[VAR];
 }
 HB_STRING_ARRAY_POOL_NAME =
 {

From fcd6c338ff4968a0d7fc297da1c6d8058823aaa1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 14:40:21 -0800
Subject: [PATCH 0627/1326] Fix more compiler warnings

---
 src/hb-debug.hh | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/hb-debug.hh b/src/hb-debug.hh
index ca8c638a7..03431cbf7 100644
--- a/src/hb-debug.hh
+++ b/src/hb-debug.hh
@@ -221,12 +221,14 @@ template <>
 
 template <int max_level, typename ret_t>
 struct hb_auto_trace_t {
+
   explicit inline hb_auto_trace_t (unsigned int *plevel_,
 				   const char *what_,
 				   const void *obj_,
 				   const char *func,
 				   const char *message,
-				   ...) : plevel (plevel_), what (what_), obj (obj_), returned (false)
+				   ...) HB_PRINTF_FUNC(6, 7)
+				   : plevel (plevel_), what (what_), obj (obj_), returned (false)
   {
     if (plevel) ++*plevel;
 
@@ -343,7 +345,7 @@ struct hb_no_trace_t {
 #define TRACE_CLOSURE(this) \
 	hb_auto_trace_t<HB_DEBUG_CLOSURE, hb_void_t> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "")
+	 " ")
 #else
 #define TRACE_CLOSURE(this) hb_no_trace_t<hb_void_t> trace HB_UNUSED
 #endif
@@ -355,7 +357,7 @@ struct hb_no_trace_t {
 #define TRACE_COLLECT_GLYPHS(this) \
 	hb_auto_trace_t<HB_DEBUG_COLLECT_GLYPHS, hb_void_t> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "")
+	 " ")
 #else
 #define TRACE_COLLECT_GLYPHS(this) hb_no_trace_t<hb_void_t> trace HB_UNUSED
 #endif
@@ -367,7 +369,7 @@ struct hb_no_trace_t {
 #define TRACE_SANITIZE(this) \
 	hb_auto_trace_t<HB_DEBUG_SANITIZE, bool> trace \
 	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "");
+	 " ");
 #else
 #define TRACE_SANITIZE(this) hb_no_trace_t<bool> trace
 #endif
@@ -379,7 +381,7 @@ struct hb_no_trace_t {
 #define TRACE_SERIALIZE(this) \
 	hb_auto_trace_t<HB_DEBUG_SERIALIZE, bool> trace \
 	(&c->debug_depth, "SERIALIZE", c, HB_FUNC, \
-	 "");
+	 " ");
 #else
 #define TRACE_SERIALIZE(this) hb_no_trace_t<bool> trace
 #endif

From e5930722d485207ca158612a2b08816337fed7e8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 15:47:55 -0800
Subject: [PATCH 0628/1326] Fix invalid buffer access in OOM times

Hopefully fully fixes
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1856
---
 src/hb-ot-layout-gsubgpos-private.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index b0cffa3a8..dcaa2617c 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -1002,7 +1002,8 @@ static inline bool apply_lookup (hb_apply_context_t *c,
     if (idx == 0 && lookupRecord[i].lookupListIndex == c->lookup_index)
       continue;
 
-    buffer->move_to (match_positions[idx]);
+    if (unlikely (!buffer->move_to (match_positions[idx])))
+      break;
 
     unsigned int orig_len = buffer->backtrack_len () + buffer->lookahead_len ();
     if (!c->recurse (lookupRecord[i].lookupListIndex))

From b9c96b5d7cce80ef75cbdf0f0c47d1db62797c55 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 15:56:21 -0800
Subject: [PATCH 0629/1326] Add test for previous commit

At some point we should run tests under valgrind...
---
 .../dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf | Bin 0 -> 2786 bytes
 test/shaping/tests/fuzzed.tests                  |   3 ++-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf

diff --git a/test/shaping/fonts/sha1sum/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf b/test/shaping/fonts/sha1sum/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..ba8092854311a90eeec5125b5215169cff36a087
GIT binary patch
literal 2786
zcmds2O;1xn6g@MoSSl7Z)rBMq#29NV@uMxq7$gL2Topq!%EB_GEfTS9fEd`h)9A{L
z3u62kMiW=+!ey8I0*Q$+aUqGIjOV`Bf+c;1rVxztzTcgD=H4^+0}4P058=aDa&YLX
zZHKn@r%k@^JP`hpy1saE=^7}+8tx=VZVccsf`CFBFqRtmc<^@gNjYCE<W0#;mW&xj
zhe=cZ0a#8?n3*~3<#9=$;3{nsQ}g*ZC)4`?9nG6Uv1AHF0$R{D7v)pk%|ub0MJTdv
z4!*5uN<<h=4yQ)kcMub!6>~%rlhfwr_<d7C$6!A{br@wr+cj8=Vxd5Rpk@T!_hQKS
zG}l#?1N7(^&Ol9>*#ZLa3n2B{`B3+A)AA4KqM1Q_rBr74p%Lc24M)*U9L)nb#5Xw|
z!XRs))uC2?iDaGPC^;ivZ^fs@_)-s)qvle4S};8MejvJ4zUi<B-vUpYtemQ}GT<L2
zEw5=s=ku4(7WAj@u*<&|`F+_36`^d^A`<lVi}$Z^3#YILkGb&yUP|{s>my>;e&C9-
z9GvD1h6VzP(;eE>intko?gV`@)1UdJ1%a~`coWWBf!=r`p3Po3o9NBu&gBxZOzymS
zM1mDB_a1VHq=w)-qvffUeW<%u-^N-3QD0d*@awWIB5kV)P1(Og%7kq!w}5bY>$z3U
zon6V9jcDwvmaFE{$BFEBcC{MW-qGg0Tf0m+m*;RCsY#nkc1nhd*sXY8yCx9zK-_%y
zVx@bh2AVDo@HVZ<vLif^RF8;>&djsHY=iyIDx0hD@gFr?>{S_E6Kj=gn)kokOe73r
mvEJ->JolHTvSU4^9&^(C8ls&bfAr0UR5v%>rj-BBy7n6`4tPEQ

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/fuzzed.tests
index 53e9187e6..daa770a30 100644
--- a/test/shaping/tests/fuzzed.tests
+++ b/test/shaping/tests/fuzzed.tests
@@ -6,7 +6,7 @@ fonts/sha1sum/375d6ae32a3cbe52fbf81a4e5777e3377675d5a3.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/8240789f6d12d4cfc4b5e8e6f246c3701bcf861f.ttf:--font-funcs=ot:U+0041:[gid0=0+1024]
 fonts/sha1sum/b9e2aaa0d75fcef6971ec3a96d806ba4a6b31fe2.ttf:--font-funcs=ot:U+0041:[gid0=0+1000|gid1=0+1000|gid8=0+1000|gid3=0+1000|gid0=0+1000|gid1=0+1000|gid1=0+1000|gid8=0+1000|gid3=0+1000|gid0=0+1000|gid1=0+1000|gid8=0+1000|gid3=0+1000|gid0=0+1000|gid1=0+1000|gid1=0+1000]
 fonts/sha1sum/43979b90b2dd929723cf4fe1715990bcb9c9a56b.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
-fonts/sha1sum/3511ff5c1647150595846ac414c595cccac34f18.ttf:--font-funcs=ot:U+0041:[gid0=0+1000|gid512=0+1000|gid15104=0+1000|gid11004=0+1000|gid3408=0+1000|gid18244=0+1000|gid17872=0+1000|gid17961=0+1000|gid0=0+1000|gid992=0+1000|gid15616=0+1000|gid0=0+1000|gid14151=0+1000|gid20559=0+1000|gid20992=0+1000|gid5440=0+1000|gid256=0+1000|gid0=0+1000|gid10=0+1000|gid8960=0+1000|gid256=0+1000|gid1024=0+1000|gid1490=0+1000|gid0=0+1000|gid768=0+1000|gid4096=0+1000|gid256=0+1000|gid2216=0+1000|gid0=0+1000|gid256=0+1000|gid256=0+1000|gid0=0+1000|gid768=0+1000|gid10752=0+1000|gid11004=0+1000|gid3408=0+1000|gid18244=0+1000|gid17734=0+1000|gid53248=0+1000|gid256=0+1000|gid0=0+1000|gid512=0+1000|gid14848=0+1000|gid10793=0+1000|gid57344=0+1000|gid768=0+1000|gid18227=0+1000|gid20285=0+1000|gid20480=0+1000|gid0=0+1000|gid256=0+1000|gid0=0+1000|gid810=0+1000|gid0=0+1000|gid11004=0+1000|gid3408=0+1000|gid18244=0+1000|gid17734=0+1000|gid53289=0+1000|gid57344=0+1000|gid768=0+1000|gid15667=0+1000|gid71=0+1000|gid0=0+1000|gid20559=0+1000|gid21248=0+1000|gid256=0+1000|gid0=0+1000|gid2816=0+1000|gid2776=0+1000|gid0=0+1000|gid51516=0+1000|gid0=0+1000|gid32=0+1000|gid26209=0+1000|gid28005=0+1000|gid65249=0+1000|gid29690=0+1000|gid0=0+1000|gid51548=0+1000|gid0=0+1000|gid2454=0+1000|gid28783=0+1000|gid29556=0+1000|gid1291=0+1000|gid3458=0+1000|gid80=0+1000|gid0=0+1000|gid2804=0+1000|gid210=0+1000|gid28786=0+1000|gid25968=0+1000|gid45763=0+1000|gid50546=0+1000|gid0=0+1000|gid59136=0+1000|gid0=0+1000|gid38144=0+1000|gid256=0+1000|gid0=0+1000|gid2560=0+1000|gid30208=0+1000|gid52224=0+1000|gid580=0+1000|gid17996=0+1000|gid21504=0+1000|gid6734=0+1000|gid108=0+1000|gid116=0+1000|gid24846=0+1000|gid1024=0+1000|gid0=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid0=0+1000|gid8704=0+1000|gid1345=0+1000|gid23109=0+1000|gid8192=0+1000|gid10823=0+1000|gid21076=0+1000|gid8192=0+1000|gid12877=0+1000|gid20300=0+1000|gid8192=0+1000|gid6738=0+1000|gid20301=0+1000|gid8192=0+1000|gid16980=0+1000|gid21067=0+1000|gid8251=0+1000|gid18944=0+1000|gid255=0+1000|gid65280=0+1000|gid15360=0+1000|gid256=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid768=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid768=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid1024=0+1000|gid12=0+1000|gid65280=0+1000|gid256=0+1000|gid1280=0+1000|gid255=0+1000|gid65280=0+1000|gid256=0+1000|gid1536=0+1000|gid1899=0+1000|gid25970=0+1000|gid110=0+1000|gid11264=0+1000|gid27502=0+1000|gid29285=0+1000|gid12907=0+1000|gid25974=0+1000|gid28160=0+1000|gid14443=0+1000|gid25970=0+1000|gid28288=0+1000|gid3=0+1000|gid118=0+1000|gid18259=0+1000|gid21826=0+1000|gid45716=0+1000|gid46369=0+1000|gid0=0+1000|gid0=0+1000|gid1=0+1000|gid16=0+1000|gid17=0+1000|gid256=0+1000|gid4=0+1000|gid16=0+1000|gid18244=0+1000|gid17734=0+1000|gid28=0+1000|gid12=0+1000|gid0=0+1000|gid284=0+1000|gid0=0+1000|gid28=0+1000|gid18256=0+1000|gid20307=0+1000|gid45114=0+1000|gid47616=0+1000|gid226=0+1000|gid10296=0+1000|gid0=0+1000|gid57927=0+1000|gid1=0+1000|gid0=0+1000|gid0=0+1000|gid21248=0+1000|gid5440=0+1000|gid256=0+1000|gid0=0+1000|gid10=0+1000|gid768=0+1000|gid256=0+1000|gid1024=0+1000|gid512=0+1000|gid0=0+1000|gid297=0+1000|gid16=0+1000|gid24833=0+1000|gid28774=0+1000|gid10794=0+1000|gid2304=0+1000|gid29=0+1000|gid32=0+1000|gid42=0+1000|gid64515=0+1000|gid42=0+1000|gid42=0+1000|gid64525=0+1000|gid20551=0+1000|gid17477=0+1000|gid18128=0+1000|gid10720=0+1000|gid3=0+1000|gid61=0+1000|gid3408=0+1000|gid18244=0+1000|gid17734=0+1000|gid53289=0+1000|gid57344=0+1000|gid768=0+1000|gid15616=0+1000|gid512=0+1000|gid55=0+1000|gid10576=0+1000|gid20307=0+1000|gid0=0+1000|gid255=0+1000|gid56063=0+1000|gid53504=0+1000|gid42=0+1000|gid42=0+1000|gid64525=0+1000|gid12288=0+1000|gid18176=0+1000|gid80=0+1000|gid20307=0+1000|gid1=0+1000|gid0=0+1000|gid62=0+1000]
+fonts/sha1sum/3511ff5c1647150595846ac414c595cccac34f18.ttf:--font-funcs=ot --no-positions --no-clusters --no-glyph-names:U+0041:[0|512|15104|11004|3408|18244|17872|17961|0|992|15616|0|14151|20559|20992|5440|256|0|10|8960|256|1024|1490|0|768|4096|256|2216|0|256|256|0|768|10752|11004|3408|18244|17734|53248|256|0|512|14848|10793|57344|768|18227|20285|20480|0|256|0|810|0|11004|3408|18244|17734|53289|57344|768|15667|71|0|20559|21248|256|0|2816|2776|0|51516|0|32|26209|28005|65249|29690|0|51548|0|2454|28783|29556|1291|3458|80|0|2804|210|28786|25968|45763|50546|0|59136|0|38144|256|0|2560|30208|52224|580|17996|21504|6734|108|116|24846|1024|0|255|65280|256|0|8704|1345|23109|8192|10823|21076|8192|12877|20300|8192|6738|20301|8192|16980|21067|8251|18944|255|65280|15360|256|255|65280|256|768|255|65280|256|768|255|65280|256|1024|12|65280|256|1280|255|65280|256|1536|1899|25970|110|11264|27502|29285|12907|25974|28160|14443|25970|28288|3|118|18259|21826|45716|46369|0|0|1|16|17|256|4|16|18244|17734|28|12|0|284|0|28|18256|20307|45114|47616|226|10296|0|57927|1|0|0|21248|5440|256|0|10|768|256|1024|512|0|297|16|24833|28774|10794|2304|29|32|42|64515|42|42|64525|20551|17477|18128|10720|3|61|3408|18244|17734|53289|57344|768|15616|512|55|10576|20307|0|255|56063|53504|42|42|64525|12288|18176|80|20307|1|0|62]
 fonts/sha1sum/fab39d60d758cb586db5a504f218442cd1395725.ttf:--font-funcs=ot:U+0041,U+0041:[gid0=0+1000|gid0=1+1000]
 fonts/sha1sum/205edd09bd3d141cc9580f650109556cc28b22cb.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf:--font-funcs=ot:U+0061,U+0061,U+0061:[]
@@ -16,3 +16,4 @@ fonts/sha1sum/a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+fonts/sha1sum/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf:--font-funcs=ot --no-positions --no-clusters --no-glyph-names:U+0041:[0|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|0|2|0|0|0|2|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0]

From 909de95a112ffe4d05ddcfed97a235763e8af068 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 16:22:52 -0800
Subject: [PATCH 0630/1326] Minor build fix

---
 src/Makefile.am | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Makefile.am b/src/Makefile.am
index df99afee7..4140cbce4 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -99,6 +99,9 @@ SUBDIRS += hb-ucdn
 HBCFLAGS += -I$(srcdir)/hb-ucdn
 HBLIBS   += hb-ucdn/libhb-ucdn.la
 HBSOURCES += $(HB_UCDN_sources)
+hb-ucdn/libhb-ucdn.la: ucdn
+ucdn:
+	@$(MAKE) $(AM_MAKEFLAGS) -C hb-ucdn
 endif
 DIST_SUBDIRS += hb-ucdn
 

From 702d86ba6b4a2e41cbee46fea18b3f8eb8986dc9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 19:25:38 -0800
Subject: [PATCH 0631/1326] [ot] Fold hb_ot_face_kern_accelerator_t

---
 src/hb-ot-font.cc       | 23 +----------------------
 src/hb-ot-kern-table.hh | 13 +++++++++----
 2 files changed, 10 insertions(+), 26 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 47416012c..8d8d68b19 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -335,27 +335,6 @@ struct hb_ot_face_post_accelerator_t
   }
 };
 
-struct hb_ot_face_kern_accelerator_t
-{
-  hb_blob_t *kern_blob;
-  OT::kern::accelerator_t accel;
-
-  inline void init (hb_face_t *face)
-  {
-    hb_blob_t *blob = this->kern_blob = OT::Sanitizer<OT::kern>::sanitize (face->reference_table (HB_OT_TAG_kern));
-    accel.init (OT::Sanitizer<OT::kern>::lock_instance (blob), hb_blob_get_length (blob));
-  }
-
-  inline void fini (void)
-  {
-    accel.fini ();
-    hb_blob_destroy (this->kern_blob);
-  }
-
-  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
-  { return accel.get_h_kerning (left, right); }
-};
-
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					  hb_codepoint_t codepoint,
 					  hb_codepoint_t *glyph);
@@ -492,7 +471,7 @@ struct hb_ot_font_t
   OT::hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
   OT::hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
   OT::hb_lazy_loader_t<hb_ot_face_post_accelerator_t> post;
-  OT::hb_lazy_loader_t<hb_ot_face_kern_accelerator_t> kern;
+  OT::hb_lazy_loader_t<OT::kern::accelerator_t> kern;
 };
 
 
diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index 5fd2e20e6..aa293b8de 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -358,17 +358,22 @@ struct kern
 
   struct accelerator_t
   {
-    inline void init (const kern *table_, unsigned int table_length_)
+    inline void init (hb_face_t *face)
     {
-      table = table_;
-      table_length = table_length_;
+      blob = Sanitizer<kern>::sanitize (face->reference_table (HB_OT_TAG_kern));
+      table = Sanitizer<kern>::lock_instance (blob);
+      table_length = hb_blob_get_length (blob);
+    }
+    inline void fini (void)
+    {
+      hb_blob_destroy (blob);
     }
-    inline void fini (void) {}
 
     inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
     { return table->get_h_kerning (left, right, table_length); }
 
     private:
+    hb_blob_t *blob;
     const kern *table;
     unsigned int table_length;
   };

From 9b04b0384fe746bdb1885c57e1ce73c4c6cae9e5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 19:31:50 -0800
Subject: [PATCH 0632/1326] [ot] Fold hb_ot_face_post_accelerator_t

---
 src/hb-ot-font.cc       | 35 +----------------------------------
 src/hb-ot-post-table.hh |  9 +++++++--
 2 files changed, 8 insertions(+), 36 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 8d8d68b19..2878c6f50 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -302,39 +302,6 @@ struct hb_ot_face_cbdt_accelerator_t
   }
 };
 
-struct hb_ot_face_post_accelerator_t
-{
-  hb_blob_t *post_blob;
-  OT::post::accelerator_t accel;
-
-  inline void init (hb_face_t *face)
-  {
-    hb_blob_t *blob = this->post_blob = OT::Sanitizer<OT::post>::sanitize (face->reference_table (HB_OT_TAG_post));
-    accel.init (OT::Sanitizer<OT::post>::lock_instance (blob), hb_blob_get_length (blob));
-  }
-
-  inline void fini (void)
-  {
-    accel.fini ();
-    hb_blob_destroy (this->post_blob);
-  }
-
-  inline bool get_glyph_name (hb_codepoint_t glyph,
-			      char *name, unsigned int size) const
-  {
-    return this->accel.get_glyph_name (glyph, name, size);
-  }
-
-  inline bool get_glyph_from_name (const char *name, int len,
-				   hb_codepoint_t *glyph) const
-  {
-    if (unlikely (!len))
-      return false;
-
-    return this->accel.get_glyph_from_name (name, len, glyph);
-  }
-};
-
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					  hb_codepoint_t codepoint,
 					  hb_codepoint_t *glyph);
@@ -470,7 +437,7 @@ struct hb_ot_font_t
   hb_ot_face_metrics_accelerator_t v_metrics;
   OT::hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
   OT::hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
-  OT::hb_lazy_loader_t<hb_ot_face_post_accelerator_t> post;
+  OT::hb_lazy_loader_t<OT::post::accelerator_t> post;
   OT::hb_lazy_loader_t<OT::kern::accelerator_t> kern;
 };
 
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 01d626bf1..0c1aaed9d 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -84,8 +84,12 @@ struct post
 
   struct accelerator_t
   {
-    inline void init (const post *table, unsigned int post_len)
+    inline void init (hb_face_t *face)
     {
+      blob = Sanitizer<post>::sanitize (face->reference_table (HB_OT_TAG_post));
+      const post *table = Sanitizer<post>::lock_instance (blob);
+      unsigned int table_length = hb_blob_get_length (blob);
+
       version = table->version.to_int ();
       index_to_offset.init ();
       if (version != 0x00020000)
@@ -96,7 +100,7 @@ struct post
       glyphNameIndex = &v2.glyphNameIndex;
       pool = &StructAfter<uint8_t> (v2.glyphNameIndex);
 
-      const uint8_t *end = (uint8_t *) table + post_len;
+      const uint8_t *end = (uint8_t *) table + table_length;
       for (const uint8_t *data = pool; data < end && data + *data <= end; data += 1 + *data)
       {
 	uint32_t *offset = index_to_offset.push ();
@@ -227,6 +231,7 @@ struct post
       return hb_string_t ((const char *) data, name_length);
     }
 
+    hb_blob_t *blob;
     uint32_t version;
     const ArrayOf<USHORT> *glyphNameIndex;
     hb_prealloced_array_t<uint32_t, 1> index_to_offset;

From c4e18e54dc5ffecac7b327bde9f52dd0927d6a08 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 19:47:31 -0800
Subject: [PATCH 0633/1326] [ot] Move hb_ot_face_cbdt_accelerator_t

---
 src/hb-ot-cbdt-table.hh | 85 ++++++++++++++++++++++++++++++++++++++++
 src/hb-ot-font.cc       | 87 +----------------------------------------
 src/hb-ot-post-table.hh |  1 +
 3 files changed, 87 insertions(+), 86 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 3c6855b05..000f6021b 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -371,6 +371,91 @@ struct CBDT
 		  likely (version.major == 2 || version.major == 3));
   }
 
+  struct accelerator_t
+  {
+    inline void init (hb_face_t *face)
+    {
+      upem = face->get_upem();
+
+      cblc_blob = Sanitizer<CBLC>::sanitize (face->reference_table (HB_OT_TAG_CBLC));
+      cbdt_blob = Sanitizer<CBDT>::sanitize (face->reference_table (HB_OT_TAG_CBDT));
+      cbdt_len = hb_blob_get_length (cbdt_blob);
+
+      if (hb_blob_get_length (cblc_blob) == 0) {
+	cblc = nullptr;
+	cbdt = nullptr;
+	return;  /* Not a bitmap font. */
+      }
+      cblc = Sanitizer<CBLC>::lock_instance (cblc_blob);
+      cbdt = Sanitizer<CBDT>::lock_instance (cbdt_blob);
+
+    }
+
+    inline void fini (void)
+    {
+      hb_blob_destroy (this->cblc_blob);
+      hb_blob_destroy (this->cbdt_blob);
+    }
+
+    inline bool get_extents (hb_codepoint_t glyph, hb_glyph_extents_t *extents) const
+    {
+      unsigned int x_ppem = upem, y_ppem = upem; /* TODO Use font ppem if available. */
+
+      if (!cblc)
+	return false;  // Not a color bitmap font.
+
+      const IndexSubtableRecord *subtable_record = this->cblc->find_table(glyph, &x_ppem, &y_ppem);
+      if (!subtable_record || !x_ppem || !y_ppem)
+	return false;
+
+      if (subtable_record->get_extents (extents))
+	return true;
+
+      unsigned int image_offset = 0, image_length = 0, image_format = 0;
+      if (!subtable_record->get_image_data (glyph, &image_offset, &image_length, &image_format))
+	return false;
+
+      {
+	if (unlikely (image_offset > cbdt_len || cbdt_len - image_offset < image_length))
+	  return false;
+
+	switch (image_format)
+	{
+	  case 17: {
+	    if (unlikely (image_length < GlyphBitmapDataFormat17::min_size))
+	      return false;
+
+	    const GlyphBitmapDataFormat17& glyphFormat17 =
+		StructAtOffset<GlyphBitmapDataFormat17> (this->cbdt, image_offset);
+	    glyphFormat17.glyphMetrics.get_extents (extents);
+	  }
+	  break;
+	  default:
+	    // TODO: Support other image formats.
+	    return false;
+	}
+      }
+
+      /* Convert to the font units. */
+      extents->x_bearing *= upem / (float) x_ppem;
+      extents->y_bearing *= upem / (float) y_ppem;
+      extents->width *= upem / (float) x_ppem;
+      extents->height *= upem / (float) y_ppem;
+
+      return true;
+    }
+
+    private:
+    hb_blob_t *cblc_blob;
+    hb_blob_t *cbdt_blob;
+    const CBLC *cblc;
+    const CBDT *cbdt;
+
+    unsigned int cbdt_len;
+    unsigned int upem;
+  };
+
+
   protected:
   FixedVersion<>version;
   BYTE dataZ[VAR];
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 2878c6f50..1ff58f2f3 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -217,91 +217,6 @@ struct hb_ot_face_glyf_accelerator_t
   }
 };
 
-struct hb_ot_face_cbdt_accelerator_t
-{
-  hb_blob_t *cblc_blob;
-  hb_blob_t *cbdt_blob;
-  const OT::CBLC *cblc;
-  const OT::CBDT *cbdt;
-
-  unsigned int cbdt_len;
-  unsigned int upem;
-
-  inline void init (hb_face_t *face)
-  {
-    upem = face->get_upem();
-
-    cblc_blob = OT::Sanitizer<OT::CBLC>::sanitize (face->reference_table (HB_OT_TAG_CBLC));
-    cbdt_blob = OT::Sanitizer<OT::CBDT>::sanitize (face->reference_table (HB_OT_TAG_CBDT));
-    cbdt_len = hb_blob_get_length (cbdt_blob);
-
-    if (hb_blob_get_length (cblc_blob) == 0) {
-      cblc = nullptr;
-      cbdt = nullptr;
-      return;  /* Not a bitmap font. */
-    }
-    cblc = OT::Sanitizer<OT::CBLC>::lock_instance (cblc_blob);
-    cbdt = OT::Sanitizer<OT::CBDT>::lock_instance (cbdt_blob);
-
-  }
-
-  inline void fini (void)
-  {
-    hb_blob_destroy (this->cblc_blob);
-    hb_blob_destroy (this->cbdt_blob);
-  }
-
-  inline bool get_extents (hb_codepoint_t glyph, hb_glyph_extents_t *extents) const
-  {
-    unsigned int x_ppem = upem, y_ppem = upem; /* TODO Use font ppem if available. */
-
-    if (!cblc)
-      return false;  // Not a color bitmap font.
-
-    const OT::IndexSubtableRecord *subtable_record = this->cblc->find_table(glyph, &x_ppem, &y_ppem);
-    if (!subtable_record || !x_ppem || !y_ppem)
-      return false;
-
-    if (subtable_record->get_extents (extents))
-      return true;
-
-    unsigned int image_offset = 0, image_length = 0, image_format = 0;
-    if (!subtable_record->get_image_data (glyph, &image_offset, &image_length, &image_format))
-      return false;
-
-    {
-      /* TODO Move the following into CBDT struct when adding more formats. */
-
-      if (unlikely (image_offset > cbdt_len || cbdt_len - image_offset < image_length))
-	return false;
-
-      switch (image_format)
-      {
-	case 17: {
-	  if (unlikely (image_length < OT::GlyphBitmapDataFormat17::min_size))
-	    return false;
-
-	  const OT::GlyphBitmapDataFormat17& glyphFormat17 =
-	      OT::StructAtOffset<OT::GlyphBitmapDataFormat17> (this->cbdt, image_offset);
-	  glyphFormat17.glyphMetrics.get_extents (extents);
-	}
-	break;
-	default:
-	  // TODO: Support other image formats.
-	  return false;
-      }
-    }
-
-    /* Convert to the font units. */
-    extents->x_bearing *= upem / (float) x_ppem;
-    extents->y_bearing *= upem / (float) y_ppem;
-    extents->width *= upem / (float) x_ppem;
-    extents->height *= upem / (float) y_ppem;
-
-    return true;
-  }
-};
-
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					  hb_codepoint_t codepoint,
 					  hb_codepoint_t *glyph);
@@ -436,7 +351,7 @@ struct hb_ot_font_t
   hb_ot_face_metrics_accelerator_t h_metrics;
   hb_ot_face_metrics_accelerator_t v_metrics;
   OT::hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
-  OT::hb_lazy_loader_t<hb_ot_face_cbdt_accelerator_t> cbdt;
+  OT::hb_lazy_loader_t<OT::CBDT::accelerator_t> cbdt;
   OT::hb_lazy_loader_t<OT::post::accelerator_t> post;
   OT::hb_lazy_loader_t<OT::kern::accelerator_t> kern;
 };
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 0c1aaed9d..e3952a412 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -231,6 +231,7 @@ struct post
       return hb_string_t ((const char *) data, name_length);
     }
 
+    private:
     hb_blob_t *blob;
     uint32_t version;
     const ArrayOf<USHORT> *glyphNameIndex;

From 7e2839c438beea216c7c8a3881e88961940e67be Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 19:52:09 -0800
Subject: [PATCH 0634/1326] [ot] Move hb_ot_face_glyf_accelerator_t

---
 src/hb-ot-font.cc       |  75 +----------------------------
 src/hb-ot-glyf-table.hh | 103 ++++++++++++++++++++++++++++++++++------
 2 files changed, 90 insertions(+), 88 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 1ff58f2f3..eb497e57a 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -144,79 +144,6 @@ struct hb_ot_face_metrics_accelerator_t
   }
 };
 
-struct hb_ot_face_glyf_accelerator_t
-{
-  bool short_offset;
-  unsigned int num_glyphs;
-  const OT::loca *loca;
-  const OT::glyf *glyf;
-  hb_blob_t *loca_blob;
-  hb_blob_t *glyf_blob;
-  unsigned int glyf_len;
-
-  inline void init (hb_face_t *face)
-  {
-    hb_blob_t *head_blob = OT::Sanitizer<OT::head>::sanitize (face->reference_table (HB_OT_TAG_head));
-    const OT::head *head = OT::Sanitizer<OT::head>::lock_instance (head_blob);
-    if ((unsigned int) head->indexToLocFormat > 1 || head->glyphDataFormat != 0)
-    {
-      /* Unknown format.  Leave num_glyphs=0, that takes care of disabling us. */
-      hb_blob_destroy (head_blob);
-      return;
-    }
-    this->short_offset = 0 == head->indexToLocFormat;
-    hb_blob_destroy (head_blob);
-
-    this->loca_blob = OT::Sanitizer<OT::loca>::sanitize (face->reference_table (HB_OT_TAG_loca));
-    this->loca = OT::Sanitizer<OT::loca>::lock_instance (this->loca_blob);
-    this->glyf_blob = OT::Sanitizer<OT::glyf>::sanitize (face->reference_table (HB_OT_TAG_glyf));
-    this->glyf = OT::Sanitizer<OT::glyf>::lock_instance (this->glyf_blob);
-
-    this->num_glyphs = MAX (1u, hb_blob_get_length (this->loca_blob) / (this->short_offset ? 2 : 4)) - 1;
-    this->glyf_len = hb_blob_get_length (this->glyf_blob);
-  }
-
-  inline void fini (void)
-  {
-    hb_blob_destroy (this->loca_blob);
-    hb_blob_destroy (this->glyf_blob);
-  }
-
-  inline bool get_extents (hb_codepoint_t glyph,
-			   hb_glyph_extents_t *extents) const
-  {
-    if (unlikely (glyph >= this->num_glyphs))
-      return false;
-
-    unsigned int start_offset, end_offset;
-    if (this->short_offset)
-    {
-      start_offset = 2 * this->loca->u.shortsZ[glyph];
-      end_offset   = 2 * this->loca->u.shortsZ[glyph + 1];
-    }
-    else
-    {
-      start_offset = this->loca->u.longsZ[glyph];
-      end_offset   = this->loca->u.longsZ[glyph + 1];
-    }
-
-    if (start_offset > end_offset || end_offset > this->glyf_len)
-      return false;
-
-    if (end_offset - start_offset < OT::glyfGlyphHeader::static_size)
-      return true; /* Empty glyph; zero extents. */
-
-    const OT::glyfGlyphHeader &glyph_header = OT::StructAtOffset<OT::glyfGlyphHeader> (this->glyf, start_offset);
-
-    extents->x_bearing = MIN (glyph_header.xMin, glyph_header.xMax);
-    extents->y_bearing = MAX (glyph_header.yMin, glyph_header.yMax);
-    extents->width     = MAX (glyph_header.xMin, glyph_header.xMax) - extents->x_bearing;
-    extents->height    = MIN (glyph_header.yMin, glyph_header.yMax) - extents->y_bearing;
-
-    return true;
-  }
-};
-
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					  hb_codepoint_t codepoint,
 					  hb_codepoint_t *glyph);
@@ -350,7 +277,7 @@ struct hb_ot_font_t
   hb_ot_face_cmap_accelerator_t cmap;
   hb_ot_face_metrics_accelerator_t h_metrics;
   hb_ot_face_metrics_accelerator_t v_metrics;
-  OT::hb_lazy_loader_t<hb_ot_face_glyf_accelerator_t> glyf;
+  OT::hb_lazy_loader_t<OT::glyf::accelerator_t> glyf;
   OT::hb_lazy_loader_t<OT::CBDT::accelerator_t> cbdt;
   OT::hb_lazy_loader_t<OT::post::accelerator_t> post;
   OT::hb_lazy_loader_t<OT::kern::accelerator_t> kern;
diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index dc7aa8469..b05c37e0c 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -28,6 +28,7 @@
 #define HB_OT_GLYF_TABLE_HH
 
 #include "hb-open-type-private.hh"
+#include "hb-ot-head-table.hh"
 
 
 namespace OT {
@@ -78,26 +79,100 @@ struct glyf
     return_trace (true);
   }
 
+  struct GlyphHeader
+  {
+    SHORT		numberOfContours;	/* If the number of contours is
+					   * greater than or equal to zero,
+					   * this is a simple glyph; if negative,
+					   * this is a composite glyph. */
+    FWORD		xMin;			/* Minimum x for coordinate data. */
+    FWORD		yMin;			/* Minimum y for coordinate data. */
+    FWORD		xMax;			/* Maximum x for coordinate data. */
+    FWORD		yMax;			/* Maximum y for coordinate data. */
+
+    DEFINE_SIZE_STATIC (10);
+  };
+
+  struct accelerator_t
+  {
+    inline void init (hb_face_t *face)
+    {
+      hb_blob_t *head_blob = Sanitizer<head>::sanitize (face->reference_table (HB_OT_TAG_head));
+      const head *head_table = Sanitizer<head>::lock_instance (head_blob);
+      if ((unsigned int) head_table->indexToLocFormat > 1 || head_table->glyphDataFormat != 0)
+      {
+	/* Unknown format.  Leave num_glyphs=0, that takes care of disabling us. */
+	hb_blob_destroy (head_blob);
+	return;
+      }
+      short_offset = 0 == head_table->indexToLocFormat;
+      hb_blob_destroy (head_blob);
+
+      loca_blob = Sanitizer<loca>::sanitize (face->reference_table (HB_OT_TAG_loca));
+      loca_table = Sanitizer<loca>::lock_instance (loca_blob);
+      glyf_blob = Sanitizer<glyf>::sanitize (face->reference_table (HB_OT_TAG_glyf));
+      glyf_table = Sanitizer<glyf>::lock_instance (glyf_blob);
+
+      num_glyphs = MAX (1u, hb_blob_get_length (loca_blob) / (short_offset ? 2 : 4)) - 1;
+      glyf_len = hb_blob_get_length (glyf_blob);
+    }
+
+    inline void fini (void)
+    {
+      hb_blob_destroy (loca_blob);
+      hb_blob_destroy (glyf_blob);
+    }
+
+    inline bool get_extents (hb_codepoint_t glyph,
+			     hb_glyph_extents_t *extents) const
+    {
+      if (unlikely (glyph >= num_glyphs))
+	return false;
+
+      unsigned int start_offset, end_offset;
+      if (short_offset)
+      {
+	start_offset = 2 * loca_table->u.shortsZ[glyph];
+	end_offset   = 2 * loca_table->u.shortsZ[glyph + 1];
+      }
+      else
+      {
+	start_offset = loca_table->u.longsZ[glyph];
+	end_offset   = loca_table->u.longsZ[glyph + 1];
+      }
+
+      if (start_offset > end_offset || end_offset > glyf_len)
+	return false;
+
+      if (end_offset - start_offset < GlyphHeader::static_size)
+	return true; /* Empty glyph; zero extents. */
+
+      const GlyphHeader &glyph_header = StructAtOffset<GlyphHeader> (glyf_table, start_offset);
+
+      extents->x_bearing = MIN (glyph_header.xMin, glyph_header.xMax);
+      extents->y_bearing = MAX (glyph_header.yMin, glyph_header.yMax);
+      extents->width     = MAX (glyph_header.xMin, glyph_header.xMax) - extents->x_bearing;
+      extents->height    = MIN (glyph_header.yMin, glyph_header.yMax) - extents->y_bearing;
+
+      return true;
+    }
+
+    private:
+    bool short_offset;
+    unsigned int num_glyphs;
+    const loca *loca_table;
+    const glyf *glyf_table;
+    hb_blob_t *loca_blob;
+    hb_blob_t *glyf_blob;
+    unsigned int glyf_len;
+  };
+
   public:
   BYTE		dataX[VAR];		/* Glyphs data. */
 
   DEFINE_SIZE_ARRAY (0, dataX);
 };
 
-struct glyfGlyphHeader
-{
-  SHORT		numberOfContours;	/* If the number of contours is
-					 * greater than or equal to zero,
-					 * this is a simple glyph; if negative,
-					 * this is a composite glyph. */
-  FWORD		xMin;			/* Minimum x for coordinate data. */
-  FWORD		yMin;			/* Minimum y for coordinate data. */
-  FWORD		xMax;			/* Maximum x for coordinate data. */
-  FWORD		yMax;			/* Maximum y for coordinate data. */
-
-  DEFINE_SIZE_STATIC (10);
-};
-
 } /* namespace OT */
 
 

From f00a94e1ec73c08d4bde1f50bff57d2dc9583ca8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 19:54:48 -0800
Subject: [PATCH 0635/1326] Adjust privacy for recent changes

---
 src/hb-ot-cbdt-table.hh | 6 ++++--
 src/hb-ot-glyf-table.hh | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 000f6021b..ca2859eb5 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -288,7 +288,7 @@ struct BitmapSizeTable
   BYTE bitDepth;
   CHAR flags;
 
-public:
+  public:
   DEFINE_SIZE_STATIC(48);
 };
 
@@ -315,6 +315,8 @@ struct GlyphBitmapDataFormat17
 
 struct CBLC
 {
+  friend struct CBDT;
+
   static const hb_tag_t tableTag = HB_OT_TAG_CBLC;
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -325,7 +327,7 @@ struct CBLC
 		  sizeTables.sanitize (c, this));
   }
 
-  public:
+  protected:
   const IndexSubtableRecord *find_table (hb_codepoint_t glyph,
 					 unsigned int *x_ppem, unsigned int *y_ppem) const
   {
diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index b05c37e0c..dba102260 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -43,6 +43,8 @@ namespace OT {
 
 struct loca
 {
+  friend struct glyf;
+
   static const hb_tag_t tableTag = HB_OT_TAG_loca;
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -51,7 +53,7 @@ struct loca
     return_trace (true);
   }
 
-  public:
+  protected:
   union {
     USHORT	shortsZ[VAR];		/* Location offset divided by 2. */
     ULONG	longsZ[VAR];		/* Location offset. */
@@ -167,7 +169,7 @@ struct glyf
     unsigned int glyf_len;
   };
 
-  public:
+  protected:
   BYTE		dataX[VAR];		/* Glyphs data. */
 
   DEFINE_SIZE_ARRAY (0, dataX);

From a85d7ead04aff81d2f9df9110316892dbbefe1c2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 20:00:34 -0800
Subject: [PATCH 0636/1326] [ot] Move hb_ot_face_metrics_accelerator_t

---
 src/hb-ot-font.cc       | 108 +---------------------------------------
 src/hb-ot-hmtx-table.hh | 108 +++++++++++++++++++++++++++++++++++++++-
 2 files changed, 109 insertions(+), 107 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index eb497e57a..d1ae238ec 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -37,113 +37,9 @@
 #include "hb-ot-hhea-table.hh"
 #include "hb-ot-hmtx-table.hh"
 #include "hb-ot-kern-table.hh"
-#include "hb-ot-os2-table.hh"
 #include "hb-ot-post-table.hh"
-#include "hb-ot-var-hvar-table.hh"
 
 
-struct hb_ot_face_metrics_accelerator_t
-{
-  unsigned int num_metrics;
-  unsigned int num_advances;
-  unsigned int default_advance;
-  unsigned short ascender;
-  unsigned short descender;
-  unsigned short line_gap;
-  bool has_font_extents;
-
-  const OT::hmtxvmtx *table;
-  hb_blob_t *blob;
-
-  const OT::HVARVVAR *var;
-  hb_blob_t *var_blob;
-
-  inline void init (hb_face_t *face,
-		    hb_tag_t _hea_tag,
-		    hb_tag_t _mtx_tag,
-		    hb_tag_t _var_tag,
-		    hb_tag_t os2_tag,
-		    unsigned int default_advance = 0)
-  {
-    this->default_advance = default_advance ? default_advance : face->get_upem ();
-
-    bool got_font_extents = false;
-    if (os2_tag)
-    {
-      hb_blob_t *os2_blob = OT::Sanitizer<OT::os2>::sanitize (face->reference_table (os2_tag));
-      const OT::os2 *os2 = OT::Sanitizer<OT::os2>::lock_instance (os2_blob);
-#define USE_TYPO_METRICS (1u<<7)
-      if (0 != (os2->fsSelection & USE_TYPO_METRICS))
-      {
-	this->ascender = os2->sTypoAscender;
-	this->descender = os2->sTypoDescender;
-	this->line_gap = os2->sTypoLineGap;
-	got_font_extents = (this->ascender | this->descender) != 0;
-      }
-      hb_blob_destroy (os2_blob);
-    }
-
-    hb_blob_t *_hea_blob = OT::Sanitizer<OT::_hea>::sanitize (face->reference_table (_hea_tag));
-    const OT::_hea *_hea = OT::Sanitizer<OT::_hea>::lock_instance (_hea_blob);
-    this->num_advances = _hea->numberOfLongMetrics;
-    if (!got_font_extents)
-    {
-      this->ascender = _hea->ascender;
-      this->descender = _hea->descender;
-      this->line_gap = _hea->lineGap;
-      got_font_extents = (this->ascender | this->descender) != 0;
-    }
-    hb_blob_destroy (_hea_blob);
-
-    this->has_font_extents = got_font_extents;
-
-    this->blob = OT::Sanitizer<OT::hmtxvmtx>::sanitize (face->reference_table (_mtx_tag));
-
-    /* Cap num_metrics() and num_advances() based on table length. */
-    unsigned int len = hb_blob_get_length (this->blob);
-    if (unlikely (this->num_advances * 4 > len))
-      this->num_advances = len / 4;
-    this->num_metrics = this->num_advances + (len - 4 * this->num_advances) / 2;
-
-    /* We MUST set num_metrics to zero if num_advances is zero.
-     * Our get_advance() depends on that. */
-    if (unlikely (!this->num_advances))
-    {
-      this->num_metrics = this->num_advances = 0;
-      hb_blob_destroy (this->blob);
-      this->blob = hb_blob_get_empty ();
-    }
-    this->table = OT::Sanitizer<OT::hmtxvmtx>::lock_instance (this->blob);
-
-    this->var_blob = OT::Sanitizer<OT::HVARVVAR>::sanitize (face->reference_table (_var_tag));
-    this->var = OT::Sanitizer<OT::HVARVVAR>::lock_instance (this->var_blob);
-  }
-
-  inline void fini (void)
-  {
-    hb_blob_destroy (this->blob);
-    hb_blob_destroy (this->var_blob);
-  }
-
-  inline unsigned int get_advance (hb_codepoint_t  glyph,
-				   hb_font_t      *font) const
-  {
-    if (unlikely (glyph >= this->num_metrics))
-    {
-      /* If this->num_metrics is zero, it means we don't have the metrics table
-       * for this direction: return default advance.  Otherwise, it means that the
-       * glyph index is out of bound: return zero. */
-      if (this->num_metrics)
-	return 0;
-      else
-	return this->default_advance;
-    }
-
-    return this->table->longMetric[MIN (glyph, (uint32_t) this->num_advances - 1)].advance
-	 + this->var->get_advance_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
-  }
-};
-
 typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					  hb_codepoint_t codepoint,
 					  hb_codepoint_t *glyph);
@@ -275,8 +171,8 @@ struct hb_ot_face_cmap_accelerator_t
 struct hb_ot_font_t
 {
   hb_ot_face_cmap_accelerator_t cmap;
-  hb_ot_face_metrics_accelerator_t h_metrics;
-  hb_ot_face_metrics_accelerator_t v_metrics;
+  OT::hmtxvmtx::accelerator_t h_metrics;
+  OT::hmtxvmtx::accelerator_t v_metrics;
   OT::hb_lazy_loader_t<OT::glyf::accelerator_t> glyf;
   OT::hb_lazy_loader_t<OT::CBDT::accelerator_t> cbdt;
   OT::hb_lazy_loader_t<OT::post::accelerator_t> post;
diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 30aa62534..3485a6d0f 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -28,6 +28,8 @@
 #define HB_OT_HMTX_TABLE_HH
 
 #include "hb-open-type-private.hh"
+#include "hb-ot-os2-table.hh"
+#include "hb-ot-var-hvar-table.hh"
 
 
 namespace OT {
@@ -63,7 +65,111 @@ struct hmtxvmtx
     return_trace (true);
   }
 
-  public:
+  struct accelerator_t
+  {
+    const hmtxvmtx *table;
+    hb_blob_t *blob;
+
+    const HVARVVAR *var;
+    hb_blob_t *var_blob;
+
+    inline void init (hb_face_t *face,
+		      hb_tag_t _hea_tag,
+		      hb_tag_t _mtx_tag,
+		      hb_tag_t _var_tag,
+		      hb_tag_t os2_tag,
+		      unsigned int default_advance = 0)
+    {
+      this->default_advance = default_advance ? default_advance : face->get_upem ();
+
+      bool got_font_extents = false;
+      if (os2_tag)
+      {
+	hb_blob_t *os2_blob = Sanitizer<os2>::sanitize (face->reference_table (os2_tag));
+	const os2 *os2_table = Sanitizer<os2>::lock_instance (os2_blob);
+#define USE_TYPO_METRICS (1u<<7)
+	if (0 != (os2_table->fsSelection & USE_TYPO_METRICS))
+	{
+	  this->ascender = os2_table->sTypoAscender;
+	  this->descender = os2_table->sTypoDescender;
+	  this->line_gap = os2_table->sTypoLineGap;
+	  got_font_extents = (this->ascender | this->descender) != 0;
+	}
+	hb_blob_destroy (os2_blob);
+      }
+
+      hb_blob_t *_hea_blob = Sanitizer<_hea>::sanitize (face->reference_table (_hea_tag));
+      const _hea *_hea_table = Sanitizer<_hea>::lock_instance (_hea_blob);
+      this->num_advances = _hea_table->numberOfLongMetrics;
+      if (!got_font_extents)
+      {
+	this->ascender = _hea_table->ascender;
+	this->descender = _hea_table->descender;
+	this->line_gap = _hea_table->lineGap;
+	got_font_extents = (this->ascender | this->descender) != 0;
+      }
+      hb_blob_destroy (_hea_blob);
+
+      this->has_font_extents = got_font_extents;
+
+      this->blob = Sanitizer<hmtxvmtx>::sanitize (face->reference_table (_mtx_tag));
+
+      /* Cap num_metrics() and num_advances() based on table length. */
+      unsigned int len = hb_blob_get_length (this->blob);
+      if (unlikely (this->num_advances * 4 > len))
+	this->num_advances = len / 4;
+      this->num_metrics = this->num_advances + (len - 4 * this->num_advances) / 2;
+
+      /* We MUST set num_metrics to zero if num_advances is zero.
+       * Our get_advance() depends on that. */
+      if (unlikely (!this->num_advances))
+      {
+	this->num_metrics = this->num_advances = 0;
+	hb_blob_destroy (this->blob);
+	this->blob = hb_blob_get_empty ();
+      }
+      this->table = Sanitizer<hmtxvmtx>::lock_instance (this->blob);
+
+      this->var_blob = Sanitizer<HVARVVAR>::sanitize (face->reference_table (_var_tag));
+      this->var = Sanitizer<HVARVVAR>::lock_instance (this->var_blob);
+    }
+
+    inline void fini (void)
+    {
+      hb_blob_destroy (this->blob);
+      hb_blob_destroy (this->var_blob);
+    }
+
+    inline unsigned int get_advance (hb_codepoint_t  glyph,
+				     hb_font_t      *font) const
+    {
+      if (unlikely (glyph >= this->num_metrics))
+      {
+	/* If this->num_metrics is zero, it means we don't have the metrics table
+	 * for this direction: return default advance.  Otherwise, it means that the
+	 * glyph index is out of bound: return zero. */
+	if (this->num_metrics)
+	  return 0;
+	else
+	  return this->default_advance;
+      }
+
+      return this->table->longMetric[MIN (glyph, (uint32_t) this->num_advances - 1)].advance
+	   + this->var->get_advance_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
+    }
+
+    public:
+    bool has_font_extents;
+    unsigned short ascender;
+    unsigned short descender;
+    unsigned short line_gap;
+    private:
+    unsigned int num_metrics;
+    unsigned int num_advances;
+    unsigned int default_advance;
+  };
+
+  protected:
   LongMetric	longMetric[VAR];	/* Paired advance width and leading
 					 * bearing values for each glyph. The
 					 * value numOfHMetrics comes from

From a7f15959b5e6e14e5241a3155c413ff70e7d1eb3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 20:02:24 -0800
Subject: [PATCH 0637/1326] Shuffle

---
 src/hb-ot-hmtx-table.hh | 76 ++++++++++++++++++++---------------------
 1 file changed, 38 insertions(+), 38 deletions(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 3485a6d0f..16e284b72 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -67,20 +67,14 @@ struct hmtxvmtx
 
   struct accelerator_t
   {
-    const hmtxvmtx *table;
-    hb_blob_t *blob;
-
-    const HVARVVAR *var;
-    hb_blob_t *var_blob;
-
     inline void init (hb_face_t *face,
 		      hb_tag_t _hea_tag,
 		      hb_tag_t _mtx_tag,
 		      hb_tag_t _var_tag,
 		      hb_tag_t os2_tag,
-		      unsigned int default_advance = 0)
+		      unsigned int default_advance_ = 0)
     {
-      this->default_advance = default_advance ? default_advance : face->get_upem ();
+      default_advance = default_advance_ ? default_advance_ : face->get_upem ();
 
       bool got_font_extents = false;
       if (os2_tag)
@@ -90,72 +84,72 @@ struct hmtxvmtx
 #define USE_TYPO_METRICS (1u<<7)
 	if (0 != (os2_table->fsSelection & USE_TYPO_METRICS))
 	{
-	  this->ascender = os2_table->sTypoAscender;
-	  this->descender = os2_table->sTypoDescender;
-	  this->line_gap = os2_table->sTypoLineGap;
-	  got_font_extents = (this->ascender | this->descender) != 0;
+	  ascender = os2_table->sTypoAscender;
+	  descender = os2_table->sTypoDescender;
+	  line_gap = os2_table->sTypoLineGap;
+	  got_font_extents = (ascender | descender) != 0;
 	}
 	hb_blob_destroy (os2_blob);
       }
 
       hb_blob_t *_hea_blob = Sanitizer<_hea>::sanitize (face->reference_table (_hea_tag));
       const _hea *_hea_table = Sanitizer<_hea>::lock_instance (_hea_blob);
-      this->num_advances = _hea_table->numberOfLongMetrics;
+      num_advances = _hea_table->numberOfLongMetrics;
       if (!got_font_extents)
       {
-	this->ascender = _hea_table->ascender;
-	this->descender = _hea_table->descender;
-	this->line_gap = _hea_table->lineGap;
-	got_font_extents = (this->ascender | this->descender) != 0;
+	ascender = _hea_table->ascender;
+	descender = _hea_table->descender;
+	line_gap = _hea_table->lineGap;
+	got_font_extents = (ascender | descender) != 0;
       }
       hb_blob_destroy (_hea_blob);
 
-      this->has_font_extents = got_font_extents;
+      has_font_extents = got_font_extents;
 
-      this->blob = Sanitizer<hmtxvmtx>::sanitize (face->reference_table (_mtx_tag));
+      blob = Sanitizer<hmtxvmtx>::sanitize (face->reference_table (_mtx_tag));
 
       /* Cap num_metrics() and num_advances() based on table length. */
-      unsigned int len = hb_blob_get_length (this->blob);
-      if (unlikely (this->num_advances * 4 > len))
-	this->num_advances = len / 4;
-      this->num_metrics = this->num_advances + (len - 4 * this->num_advances) / 2;
+      unsigned int len = hb_blob_get_length (blob);
+      if (unlikely (num_advances * 4 > len))
+	num_advances = len / 4;
+      num_metrics = num_advances + (len - 4 * num_advances) / 2;
 
       /* We MUST set num_metrics to zero if num_advances is zero.
        * Our get_advance() depends on that. */
-      if (unlikely (!this->num_advances))
+      if (unlikely (!num_advances))
       {
-	this->num_metrics = this->num_advances = 0;
-	hb_blob_destroy (this->blob);
-	this->blob = hb_blob_get_empty ();
+	num_metrics = num_advances = 0;
+	hb_blob_destroy (blob);
+	blob = hb_blob_get_empty ();
       }
-      this->table = Sanitizer<hmtxvmtx>::lock_instance (this->blob);
+      table = Sanitizer<hmtxvmtx>::lock_instance (blob);
 
-      this->var_blob = Sanitizer<HVARVVAR>::sanitize (face->reference_table (_var_tag));
-      this->var = Sanitizer<HVARVVAR>::lock_instance (this->var_blob);
+      var_blob = Sanitizer<HVARVVAR>::sanitize (face->reference_table (_var_tag));
+      var_table = Sanitizer<HVARVVAR>::lock_instance (var_blob);
     }
 
     inline void fini (void)
     {
-      hb_blob_destroy (this->blob);
-      hb_blob_destroy (this->var_blob);
+      hb_blob_destroy (blob);
+      hb_blob_destroy (var_blob);
     }
 
     inline unsigned int get_advance (hb_codepoint_t  glyph,
 				     hb_font_t      *font) const
     {
-      if (unlikely (glyph >= this->num_metrics))
+      if (unlikely (glyph >= num_metrics))
       {
-	/* If this->num_metrics is zero, it means we don't have the metrics table
+	/* If num_metrics is zero, it means we don't have the metrics table
 	 * for this direction: return default advance.  Otherwise, it means that the
 	 * glyph index is out of bound: return zero. */
-	if (this->num_metrics)
+	if (num_metrics)
 	  return 0;
 	else
-	  return this->default_advance;
+	  return default_advance;
       }
 
-      return this->table->longMetric[MIN (glyph, (uint32_t) this->num_advances - 1)].advance
-	   + this->var->get_advance_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
+      return table->longMetric[MIN (glyph, (uint32_t) num_advances - 1)].advance
+	   + var_table->get_advance_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
     }
 
     public:
@@ -163,10 +157,16 @@ struct hmtxvmtx
     unsigned short ascender;
     unsigned short descender;
     unsigned short line_gap;
+
     private:
     unsigned int num_metrics;
     unsigned int num_advances;
     unsigned int default_advance;
+
+    const hmtxvmtx *table;
+    hb_blob_t *blob;
+    const HVARVVAR *var_table;
+    hb_blob_t *var_blob;
   };
 
   protected:

From 977ddff1f1e0f0f71a46c60ba713d160b96f5a3c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 20:06:19 -0800
Subject: [PATCH 0638/1326] [ot] Move hb_ot_face_cmap_accelerator_t

---
 src/hb-ot-cmap-table.hh | 149 +++++++++++++++++++++++++++++++++++++---
 src/hb-ot-font.cc       | 130 +----------------------------------
 2 files changed, 142 insertions(+), 137 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 93f38c56a..4602eac89 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -496,6 +496,146 @@ struct cmap
 {
   static const hb_tag_t tableTag	= HB_OT_TAG_cmap;
 
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  likely (version == 0) &&
+		  encodingRecord.sanitize (c, this));
+  }
+
+  struct accelerator_t
+  {
+    inline void init (hb_face_t *face)
+    {
+      this->blob = OT::Sanitizer<OT::cmap>::sanitize (face->reference_table (HB_OT_TAG_cmap));
+      const OT::cmap *cmap = OT::Sanitizer<OT::cmap>::lock_instance (this->blob);
+      const OT::CmapSubtable *subtable = nullptr;
+      const OT::CmapSubtableFormat14 *subtable_uvs = nullptr;
+
+      bool symbol = false;
+      /* 32-bit subtables. */
+      if (!subtable) subtable = cmap->find_subtable (3, 10);
+      if (!subtable) subtable = cmap->find_subtable (0, 6);
+      if (!subtable) subtable = cmap->find_subtable (0, 4);
+      /* 16-bit subtables. */
+      if (!subtable) subtable = cmap->find_subtable (3, 1);
+      if (!subtable) subtable = cmap->find_subtable (0, 3);
+      if (!subtable) subtable = cmap->find_subtable (0, 2);
+      if (!subtable) subtable = cmap->find_subtable (0, 1);
+      if (!subtable) subtable = cmap->find_subtable (0, 0);
+      if (!subtable)
+      {
+	subtable = cmap->find_subtable (3, 0);
+	if (subtable) symbol = true;
+      }
+      /* Meh. */
+      if (!subtable) subtable = &OT::Null(OT::CmapSubtable);
+
+      /* UVS subtable. */
+      if (!subtable_uvs)
+      {
+	const OT::CmapSubtable *st = cmap->find_subtable (0, 5);
+	if (st && st->u.format == 14)
+	  subtable_uvs = &st->u.format14;
+      }
+      /* Meh. */
+      if (!subtable_uvs) subtable_uvs = &OT::Null(OT::CmapSubtableFormat14);
+
+      this->uvs_table = subtable_uvs;
+
+      this->get_glyph_data = subtable;
+      if (unlikely (symbol))
+	this->get_glyph_func = get_glyph_from_symbol<OT::CmapSubtable>;
+      else
+	switch (subtable->u.format) {
+	/* Accelerate format 4 and format 12. */
+	default: this->get_glyph_func = get_glyph_from<OT::CmapSubtable>;		break;
+	case 12: this->get_glyph_func = get_glyph_from<OT::CmapSubtableFormat12>;	break;
+	case  4:
+	  {
+	    this->format4_accel.init (&subtable->u.format4);
+	    this->get_glyph_data = &this->format4_accel;
+	    this->get_glyph_func = this->format4_accel.get_glyph_func;
+	  }
+	  break;
+	}
+    }
+
+    inline void fini (void)
+    {
+      hb_blob_destroy (this->blob);
+    }
+
+    inline bool get_nominal_glyph (hb_codepoint_t  unicode,
+				   hb_codepoint_t *glyph) const
+    {
+      return this->get_glyph_func (this->get_glyph_data, unicode, glyph);
+    }
+
+    inline bool get_variation_glyph (hb_codepoint_t  unicode,
+				     hb_codepoint_t  variation_selector,
+				     hb_codepoint_t *glyph) const
+    {
+      switch (this->uvs_table->get_glyph_variant (unicode,
+						  variation_selector,
+						  glyph))
+      {
+	case OT::GLYPH_VARIANT_NOT_FOUND:		return false;
+	case OT::GLYPH_VARIANT_FOUND:		return true;
+	case OT::GLYPH_VARIANT_USE_DEFAULT:	break;
+      }
+
+      return get_nominal_glyph (unicode, glyph);
+    }
+
+    protected:
+    typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
+					      hb_codepoint_t codepoint,
+					      hb_codepoint_t *glyph);
+
+    template <typename Type>
+    static inline bool get_glyph_from (const void *obj,
+				       hb_codepoint_t codepoint,
+				       hb_codepoint_t *glyph)
+    {
+      const Type *typed_obj = (const Type *) obj;
+      return typed_obj->get_glyph (codepoint, glyph);
+    }
+
+    template <typename Type>
+    static inline bool get_glyph_from_symbol (const void *obj,
+					      hb_codepoint_t codepoint,
+					      hb_codepoint_t *glyph)
+    {
+      const Type *typed_obj = (const Type *) obj;
+      if (likely (typed_obj->get_glyph (codepoint, glyph)))
+	return true;
+
+      if (codepoint <= 0x00FFu)
+      {
+	/* For symbol-encoded OpenType fonts, we duplicate the
+	 * U+F000..F0FF range at U+0000..U+00FF.  That's what
+	 * Windows seems to do, and that's hinted about at:
+	 * http://www.microsoft.com/typography/otspec/recom.htm
+	 * under "Non-Standard (Symbol) Fonts". */
+	return typed_obj->get_glyph (0xF000u + codepoint, glyph);
+      }
+
+      return false;
+    }
+
+    private:
+    hb_cmap_get_glyph_func_t get_glyph_func;
+    const void *get_glyph_data;
+    OT::CmapSubtableFormat4::accelerator_t format4_accel;
+
+    const OT::CmapSubtableFormat14 *uvs_table;
+    hb_blob_t *blob;
+  };
+
+  protected:
+
   inline const CmapSubtable *find_subtable (unsigned int platform_id,
 					    unsigned int encoding_id) const
   {
@@ -513,14 +653,7 @@ struct cmap
     return &(this+encodingRecord[result].subtable);
   }
 
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-		  likely (version == 0) &&
-		  encodingRecord.sanitize (c, this));
-  }
-
+  protected:
   USHORT		version;	/* Table version number (0). */
   SortedArrayOf<EncodingRecord>
 			encodingRecord;	/* Encoding tables. */
diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index d1ae238ec..4b328d995 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -40,137 +40,9 @@
 #include "hb-ot-post-table.hh"
 
 
-typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
-					  hb_codepoint_t codepoint,
-					  hb_codepoint_t *glyph);
-
-template <typename Type>
-static inline bool get_glyph_from (const void *obj,
-				   hb_codepoint_t codepoint,
-				   hb_codepoint_t *glyph)
-{
-  const Type *typed_obj = (const Type *) obj;
-  return typed_obj->get_glyph (codepoint, glyph);
-}
-
-template <typename Type>
-static inline bool get_glyph_from_symbol (const void *obj,
-					  hb_codepoint_t codepoint,
-					  hb_codepoint_t *glyph)
-{
-  const Type *typed_obj = (const Type *) obj;
-  if (likely (typed_obj->get_glyph (codepoint, glyph)))
-    return true;
-
-  if (codepoint <= 0x00FFu)
-  {
-    /* For symbol-encoded OpenType fonts, we duplicate the
-     * U+F000..F0FF range at U+0000..U+00FF.  That's what
-     * Windows seems to do, and that's hinted about at:
-     * http://www.microsoft.com/typography/otspec/recom.htm
-     * under "Non-Standard (Symbol) Fonts". */
-    return typed_obj->get_glyph (0xF000u + codepoint, glyph);
-  }
-
-  return false;
-}
-
-struct hb_ot_face_cmap_accelerator_t
-{
-  hb_cmap_get_glyph_func_t get_glyph_func;
-  const void *get_glyph_data;
-  OT::CmapSubtableFormat4::accelerator_t format4_accel;
-
-  const OT::CmapSubtableFormat14 *uvs_table;
-  hb_blob_t *blob;
-
-  inline void init (hb_face_t *face)
-  {
-    this->blob = OT::Sanitizer<OT::cmap>::sanitize (face->reference_table (HB_OT_TAG_cmap));
-    const OT::cmap *cmap = OT::Sanitizer<OT::cmap>::lock_instance (this->blob);
-    const OT::CmapSubtable *subtable = nullptr;
-    const OT::CmapSubtableFormat14 *subtable_uvs = nullptr;
-
-    bool symbol = false;
-    /* 32-bit subtables. */
-    if (!subtable) subtable = cmap->find_subtable (3, 10);
-    if (!subtable) subtable = cmap->find_subtable (0, 6);
-    if (!subtable) subtable = cmap->find_subtable (0, 4);
-    /* 16-bit subtables. */
-    if (!subtable) subtable = cmap->find_subtable (3, 1);
-    if (!subtable) subtable = cmap->find_subtable (0, 3);
-    if (!subtable) subtable = cmap->find_subtable (0, 2);
-    if (!subtable) subtable = cmap->find_subtable (0, 1);
-    if (!subtable) subtable = cmap->find_subtable (0, 0);
-    if (!subtable)
-    {
-      subtable = cmap->find_subtable (3, 0);
-      if (subtable) symbol = true;
-    }
-    /* Meh. */
-    if (!subtable) subtable = &OT::Null(OT::CmapSubtable);
-
-    /* UVS subtable. */
-    if (!subtable_uvs)
-    {
-      const OT::CmapSubtable *st = cmap->find_subtable (0, 5);
-      if (st && st->u.format == 14)
-        subtable_uvs = &st->u.format14;
-    }
-    /* Meh. */
-    if (!subtable_uvs) subtable_uvs = &OT::Null(OT::CmapSubtableFormat14);
-
-    this->uvs_table = subtable_uvs;
-
-    this->get_glyph_data = subtable;
-    if (unlikely (symbol))
-      this->get_glyph_func = get_glyph_from_symbol<OT::CmapSubtable>;
-    else
-      switch (subtable->u.format) {
-      /* Accelerate format 4 and format 12. */
-      default: this->get_glyph_func = get_glyph_from<OT::CmapSubtable>;		break;
-      case 12: this->get_glyph_func = get_glyph_from<OT::CmapSubtableFormat12>;	break;
-      case  4:
-	{
-	  this->format4_accel.init (&subtable->u.format4);
-	  this->get_glyph_data = &this->format4_accel;
-	  this->get_glyph_func = this->format4_accel.get_glyph_func;
-	}
-	break;
-      }
-  }
-
-  inline void fini (void)
-  {
-    hb_blob_destroy (this->blob);
-  }
-
-  inline bool get_nominal_glyph (hb_codepoint_t  unicode,
-				 hb_codepoint_t *glyph) const
-  {
-    return this->get_glyph_func (this->get_glyph_data, unicode, glyph);
-  }
-
-  inline bool get_variation_glyph (hb_codepoint_t  unicode,
-				   hb_codepoint_t  variation_selector,
-				   hb_codepoint_t *glyph) const
-  {
-    switch (this->uvs_table->get_glyph_variant (unicode,
-						variation_selector,
-						glyph))
-    {
-      case OT::GLYPH_VARIANT_NOT_FOUND:		return false;
-      case OT::GLYPH_VARIANT_FOUND:		return true;
-      case OT::GLYPH_VARIANT_USE_DEFAULT:	break;
-    }
-
-    return get_nominal_glyph (unicode, glyph);
-  }
-};
-
 struct hb_ot_font_t
 {
-  hb_ot_face_cmap_accelerator_t cmap;
+  OT::cmap::accelerator_t cmap;
   OT::hmtxvmtx::accelerator_t h_metrics;
   OT::hmtxvmtx::accelerator_t v_metrics;
   OT::hb_lazy_loader_t<OT::glyf::accelerator_t> glyf;

From eab4feb5e221b8219c071ea882de79405aca4e84 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 20:16:45 -0800
Subject: [PATCH 0639/1326] [hmtx] Use curiously recurring template pattern

https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern
---
 src/hb-ot-font.cc       | 11 ++++-------
 src/hb-ot-hmtx-table.hh | 29 +++++++++++++++--------------
 2 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 4b328d995..9d7d4bc9d 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -33,8 +33,6 @@
 #include "hb-ot-cmap-table.hh"
 #include "hb-ot-cbdt-table.hh"
 #include "hb-ot-glyf-table.hh"
-#include "hb-ot-head-table.hh"
-#include "hb-ot-hhea-table.hh"
 #include "hb-ot-hmtx-table.hh"
 #include "hb-ot-kern-table.hh"
 #include "hb-ot-post-table.hh"
@@ -43,8 +41,8 @@
 struct hb_ot_font_t
 {
   OT::cmap::accelerator_t cmap;
-  OT::hmtxvmtx::accelerator_t h_metrics;
-  OT::hmtxvmtx::accelerator_t v_metrics;
+  OT::hmtx::accelerator_t h_metrics;
+  OT::vmtx::accelerator_t v_metrics;
   OT::hb_lazy_loader_t<OT::glyf::accelerator_t> glyf;
   OT::hb_lazy_loader_t<OT::CBDT::accelerator_t> cbdt;
   OT::hb_lazy_loader_t<OT::post::accelerator_t> post;
@@ -61,9 +59,8 @@ _hb_ot_font_create (hb_face_t *face)
     return nullptr;
 
   ot_font->cmap.init (face);
-  ot_font->h_metrics.init (face, HB_OT_TAG_hhea, HB_OT_TAG_hmtx, HB_OT_TAG_HVAR, HB_OT_TAG_os2);
-  ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_OT_TAG_VVAR, HB_TAG_NONE,
-			   ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
+  ot_font->h_metrics.init (face);
+  ot_font->v_metrics.init (face, ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
   ot_font->glyf.init (face);
   ot_font->cbdt.init (face);
   ot_font->post.init (face);
diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 16e284b72..e710aee42 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -28,6 +28,7 @@
 #define HB_OT_HMTX_TABLE_HH
 
 #include "hb-open-type-private.hh"
+#include "hb-ot-hhea-table.hh"
 #include "hb-ot-os2-table.hh"
 #include "hb-ot-var-hvar-table.hh"
 
@@ -52,11 +53,9 @@ struct LongMetric
   DEFINE_SIZE_STATIC (4);
 };
 
+template <typename T>
 struct hmtxvmtx
 {
-  static const hb_tag_t hmtxTag	= HB_OT_TAG_hmtx;
-  static const hb_tag_t vmtxTag	= HB_OT_TAG_vmtx;
-
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -68,18 +67,14 @@ struct hmtxvmtx
   struct accelerator_t
   {
     inline void init (hb_face_t *face,
-		      hb_tag_t _hea_tag,
-		      hb_tag_t _mtx_tag,
-		      hb_tag_t _var_tag,
-		      hb_tag_t os2_tag,
 		      unsigned int default_advance_ = 0)
     {
       default_advance = default_advance_ ? default_advance_ : face->get_upem ();
 
       bool got_font_extents = false;
-      if (os2_tag)
+      if (T::os2Tag)
       {
-	hb_blob_t *os2_blob = Sanitizer<os2>::sanitize (face->reference_table (os2_tag));
+	hb_blob_t *os2_blob = Sanitizer<os2>::sanitize (face->reference_table (T::os2Tag));
 	const os2 *os2_table = Sanitizer<os2>::lock_instance (os2_blob);
 #define USE_TYPO_METRICS (1u<<7)
 	if (0 != (os2_table->fsSelection & USE_TYPO_METRICS))
@@ -92,7 +87,7 @@ struct hmtxvmtx
 	hb_blob_destroy (os2_blob);
       }
 
-      hb_blob_t *_hea_blob = Sanitizer<_hea>::sanitize (face->reference_table (_hea_tag));
+      hb_blob_t *_hea_blob = Sanitizer<_hea>::sanitize (face->reference_table (T::headerTag));
       const _hea *_hea_table = Sanitizer<_hea>::lock_instance (_hea_blob);
       num_advances = _hea_table->numberOfLongMetrics;
       if (!got_font_extents)
@@ -106,7 +101,7 @@ struct hmtxvmtx
 
       has_font_extents = got_font_extents;
 
-      blob = Sanitizer<hmtxvmtx>::sanitize (face->reference_table (_mtx_tag));
+      blob = Sanitizer<hmtxvmtx>::sanitize (face->reference_table (T::tableTag));
 
       /* Cap num_metrics() and num_advances() based on table length. */
       unsigned int len = hb_blob_get_length (blob);
@@ -124,7 +119,7 @@ struct hmtxvmtx
       }
       table = Sanitizer<hmtxvmtx>::lock_instance (blob);
 
-      var_blob = Sanitizer<HVARVVAR>::sanitize (face->reference_table (_var_tag));
+      var_blob = Sanitizer<HVARVVAR>::sanitize (face->reference_table (T::variationsTag));
       var_table = Sanitizer<HVARVVAR>::lock_instance (var_blob);
     }
 
@@ -195,11 +190,17 @@ struct hmtxvmtx
   DEFINE_SIZE_ARRAY2 (0, longMetric, leadingBearingX);
 };
 
-struct hmtx : hmtxvmtx {
+struct hmtx : hmtxvmtx<hmtx> {
   static const hb_tag_t tableTag	= HB_OT_TAG_hmtx;
+  static const hb_tag_t headerTag	= HB_OT_TAG_hhea;
+  static const hb_tag_t variationsTag	= HB_OT_TAG_HVAR;
+  static const hb_tag_t os2Tag		= HB_OT_TAG_os2;
 };
-struct vmtx : hmtxvmtx {
+struct vmtx : hmtxvmtx<vmtx> {
   static const hb_tag_t tableTag	= HB_OT_TAG_vmtx;
+  static const hb_tag_t headerTag	= HB_OT_TAG_vhea;
+  static const hb_tag_t variationsTag	= HB_OT_TAG_VVAR;
+  static const hb_tag_t os2Tag		= HB_TAG_NONE;
 };
 
 } /* namespace OT */

From 7b40876a58d331200e1d7cda1dec72578139ff9c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 20:22:05 -0800
Subject: [PATCH 0640/1326] [ot] Remove unneeded TODO item

Looks like hb-ot-font is complete after all!

CFF font names and CFF glyph metrics don't work though...
---
 src/hb-ot-font.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-font.cc b/src/hb-ot-font.cc
index 9d7d4bc9d..9864064b1 100644
--- a/src/hb-ot-font.cc
+++ b/src/hb-ot-font.cc
@@ -241,7 +241,7 @@ retry:
     hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ot_get_glyph_h_kerning, nullptr, nullptr);
     //hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ot_get_glyph_v_kerning, nullptr, nullptr);
     hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);
-    //hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr); TODO
+    //hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr);
     hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, nullptr, nullptr);
     hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr);
 

From e20e47eaa1b7dd33ac63ab0eaa8f5ea1bf7775c2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 20:25:29 -0800
Subject: [PATCH 0641/1326] [glyf] Try fixing undefined-behavior

Might fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1463
---
 src/hb-ot-glyf-table.hh | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index dba102260..1ac12557d 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -54,11 +54,8 @@ struct loca
   }
 
   protected:
-  union {
-    USHORT	shortsZ[VAR];		/* Location offset divided by 2. */
-    ULONG	longsZ[VAR];		/* Location offset. */
-  } u;
-  DEFINE_SIZE_ARRAY (0, u.longsZ);
+  BYTE		dataX[VAR];		/* Location data. */
+  DEFINE_SIZE_ARRAY (0, dataX);
 };
 
 
@@ -134,13 +131,15 @@ struct glyf
       unsigned int start_offset, end_offset;
       if (short_offset)
       {
-	start_offset = 2 * loca_table->u.shortsZ[glyph];
-	end_offset   = 2 * loca_table->u.shortsZ[glyph + 1];
+        const USHORT *offsets = (const USHORT *) loca_table->dataX;
+	start_offset = 2 * offsets[glyph];
+	end_offset   = 2 * offsets[glyph + 1];
       }
       else
       {
-	start_offset = loca_table->u.longsZ[glyph];
-	end_offset   = loca_table->u.longsZ[glyph + 1];
+        const ULONG *offsets = (const ULONG *) loca_table->dataX;
+	start_offset = offsets[glyph];
+	end_offset   = offsets[glyph + 1];
       }
 
       if (start_offset > end_offset || end_offset > glyf_len)

From a130ee6df50a50f541d0e8018deea9cee8c6738a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 20:30:03 -0800
Subject: [PATCH 0642/1326] Remove a couple of unused consts

---
 src/hb-ot-hhea-table.hh              | 5 -----
 src/hb-ot-layout-gsubgpos-private.hh | 3 ---
 src/main.cc                          | 4 ++--
 3 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/src/hb-ot-hhea-table.hh b/src/hb-ot-hhea-table.hh
index c8e9536cf..a4f0acfee 100644
--- a/src/hb-ot-hhea-table.hh
+++ b/src/hb-ot-hhea-table.hh
@@ -44,11 +44,6 @@ namespace OT {
 
 struct _hea
 {
-  static const hb_tag_t tableTag = HB_TAG('_','h','e','a');
-
-  static const hb_tag_t hheaTag	= HB_OT_TAG_hhea;
-  static const hb_tag_t vheaTag	= HB_OT_TAG_vhea;
-
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index dcaa2617c..bf0cd01b7 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -2285,9 +2285,6 @@ struct Extension
 
 struct GSUBGPOS
 {
-  static const hb_tag_t GSUBTag	= HB_OT_TAG_GSUB;
-  static const hb_tag_t GPOSTag	= HB_OT_TAG_GPOS;
-
   inline unsigned int get_script_count (void) const
   { return (this+scriptList).len; }
   inline const Tag& get_script_tag (unsigned int i) const
diff --git a/src/main.cc b/src/main.cc
index 377d1396a..819100e47 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -106,8 +106,8 @@ main (int argc, char **argv)
 
       switch (table.tag) {
 
-      case GSUBGPOS::GSUBTag:
-      case GSUBGPOS::GPOSTag:
+      case HB_OT_TAG_GSUB:
+      case HB_OT_TAG_GPOS:
 	{
 
 	const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset);

From 6f335ed1e52c6161fa0b0295776856fc07f7f46f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 21:06:07 -0800
Subject: [PATCH 0643/1326] Replace USHORT/SHORT/ULONG/etc with
 UINT16/INT16/UINT32/etc

---
 src/hb-open-file-private.hh               |   6 +-
 src/hb-open-type-private.hh               |  67 +++++----
 src/hb-ot-cbdt-table.hh                   |  78 +++++-----
 src/hb-ot-cmap-table.hh                   |  90 +++++------
 src/hb-ot-glyf-table.hh                   |  10 +-
 src/hb-ot-head-table.hh                   |  28 ++--
 src/hb-ot-hhea-table.hh                   |  18 +--
 src/hb-ot-kern-table.hh                   |  36 ++---
 src/hb-ot-layout-common-private.hh        | 118 +++++++--------
 src/hb-ot-layout-gdef-table.hh            |  22 +--
 src/hb-ot-layout-gpos-table.hh            |  94 ++++++------
 src/hb-ot-layout-gsub-table.hh            |  30 ++--
 src/hb-ot-layout-gsubgpos-private.hh      | 172 +++++++++++-----------
 src/hb-ot-math-table.hh                   |  26 ++--
 src/hb-ot-maxp-table.hh                   |   2 +-
 src/hb-ot-name-table.hh                   |  16 +-
 src/hb-ot-os2-table.hh                    |  70 ++++-----
 src/hb-ot-post-table.hh                   |  16 +-
 src/hb-ot-shape-complex-arabic-win1256.hh |  32 ++--
 src/hb-ot-var-avar-table.hh               |   4 +-
 src/hb-ot-var-fvar-table.hh               |  20 +--
 src/hb-ot-var-hvar-table.hh               |   8 +-
 src/hb-ot-var-mvar-table.hh               |  10 +-
 23 files changed, 486 insertions(+), 487 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 741e74ccc..644e0b40f 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -64,9 +64,9 @@ typedef struct TableRecord
 
   Tag		tag;		/* 4-byte identifier. */
   CheckSum	checkSum;	/* CheckSum for this table. */
-  ULONG		offset;		/* Offset from beginning of TrueType font
+  UINT32		offset;		/* Offset from beginning of TrueType font
 				 * file. */
-  ULONG		length;		/* Length of this table. */
+  UINT32		length;		/* Length of this table. */
   public:
   DEFINE_SIZE_STATIC (16);
 } OpenTypeTable;
@@ -154,7 +154,7 @@ struct TTCHeaderVersion1
   Tag		ttcTag;		/* TrueType Collection ID string: 'ttcf' */
   FixedVersion<>version;	/* Version of the TTC Header (1.0),
 				 * 0x00010000u */
-  ArrayOf<LOffsetTo<OffsetTable>, ULONG>
+  ArrayOf<LOffsetTo<OffsetTable>, UINT32>
 		table;		/* Array of offsets to the OffsetTable for each font
 				 * from the beginning of the file */
   public:
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index a12c4d236..6ad3c0fde 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -635,23 +635,22 @@ struct IntType
   DEFINE_SIZE_STATIC (Size);
 };
 
-typedef IntType<int8_t,   1> CHAR;	/* 8-bit signed integer. */
-typedef IntType<uint8_t,  1> BYTE;	/* 8-bit unsigned integer. */
+typedef IntType<uint8_t,  1> UINT8;	/* 8-bit unsigned integer. */
 typedef IntType<int8_t,   1> INT8;	/* 8-bit signed integer. */
-typedef IntType<uint16_t, 2> USHORT;	/* 16-bit unsigned integer. */
-typedef IntType<int16_t,  2> SHORT;	/* 16-bit signed integer. */
-typedef IntType<uint32_t, 4> ULONG;	/* 32-bit unsigned integer. */
-typedef IntType<int32_t,  4> LONG;	/* 32-bit signed integer. */
+typedef IntType<uint16_t, 2> UINT16;	/* 16-bit unsigned integer. */
+typedef IntType<int16_t,  2> INT16;	/* 16-bit signed integer. */
+typedef IntType<uint32_t, 4> UINT32;	/* 32-bit unsigned integer. */
+typedef IntType<int32_t,  4> INT32;	/* 32-bit signed integer. */
 typedef IntType<uint32_t, 3> UINT24;	/* 24-bit unsigned integer. */
 
-/* 16-bit signed integer (SHORT) that describes a quantity in FUnits. */
-typedef SHORT FWORD;
+/* 16-bit signed integer (INT16) that describes a quantity in FUnits. */
+typedef INT16 FWORD;
 
-/* 16-bit unsigned integer (USHORT) that describes a quantity in FUnits. */
-typedef USHORT UFWORD;
+/* 16-bit unsigned integer (UINT16) that describes a quantity in FUnits. */
+typedef UINT16 UFWORD;
 
 /* 16-bit signed fixed number with the low 14 bits of fraction (2.14). */
-struct F2DOT14 : SHORT
+struct F2DOT14 : INT16
 {
   //inline float to_float (void) const { return ???; }
   //inline void set_float (float f) { v.set (f * ???); }
@@ -660,7 +659,7 @@ struct F2DOT14 : SHORT
 };
 
 /* 32-bit signed fixed-point number (16.16). */
-struct Fixed: LONG
+struct Fixed: INT32
 {
   //inline float to_float (void) const { return ???; }
   //inline void set_float (float f) { v.set (f * ???); }
@@ -678,15 +677,15 @@ struct LONGDATETIME
     return_trace (likely (c->check_struct (this)));
   }
   protected:
-  LONG major;
-  ULONG minor;
+  INT32 major;
+  UINT32 minor;
   public:
   DEFINE_SIZE_STATIC (8);
 };
 
 /* Array of four uint8s (length = 32 bits) used to identify a script, language
  * system, feature, or baseline */
-struct Tag : ULONG
+struct Tag : UINT32
 {
   /* What the char* converters return is NOT nul-terminated.  Print using "%.4s" */
   inline operator const char* (void) const { return reinterpret_cast<const char *> (&this->v); }
@@ -697,16 +696,16 @@ struct Tag : ULONG
 DEFINE_NULL_DATA (Tag, "    ");
 
 /* Glyph index number, same as uint16 (length = 16 bits) */
-typedef USHORT GlyphID;
+typedef UINT16 GlyphID;
 
 /* Script/language-system/feature index */
-struct Index : USHORT {
+struct Index : UINT16 {
   static const unsigned int NOT_FOUND_INDEX = 0xFFFFu;
 };
 DEFINE_NULL_DATA (Index, "\xff\xff");
 
 /* Offset, Null offset = 0 */
-template <typename Type=USHORT>
+template <typename Type=UINT16>
 struct Offset : Type
 {
   inline bool is_null (void) const { return 0 == *this; }
@@ -716,13 +715,13 @@ struct Offset : Type
 
 
 /* CheckSum */
-struct CheckSum : ULONG
+struct CheckSum : UINT32
 {
   /* This is reference implementation from the spec. */
-  static inline uint32_t CalcTableChecksum (const ULONG *Table, uint32_t Length)
+  static inline uint32_t CalcTableChecksum (const UINT32 *Table, uint32_t Length)
   {
     uint32_t Sum = 0L;
-    const ULONG *EndPtr = Table+((Length+3) & ~3) / ULONG::static_size;
+    const UINT32 *EndPtr = Table+((Length+3) & ~3) / UINT32::static_size;
 
     while (Table < EndPtr)
       Sum += *Table++;
@@ -731,7 +730,7 @@ struct CheckSum : ULONG
 
   /* Note: data should be 4byte aligned and have 4byte padding at the end. */
   inline void set_for_data (const void *data, unsigned int length)
-  { set (CalcTableChecksum ((const ULONG *) data, length)); }
+  { set (CalcTableChecksum ((const UINT32 *) data, length)); }
 
   public:
   DEFINE_SIZE_STATIC (4);
@@ -742,7 +741,7 @@ struct CheckSum : ULONG
  * Version Numbers
  */
 
-template <typename FixedType=USHORT>
+template <typename FixedType=UINT16>
 struct FixedVersion
 {
   inline uint32_t to_int (void) const { return (major << (sizeof(FixedType) * 8)) + minor; }
@@ -766,7 +765,7 @@ struct FixedVersion
  * Use: (base+offset)
  */
 
-template <typename Type, typename OffsetType=USHORT>
+template <typename Type, typename OffsetType=UINT16>
 struct OffsetTo : Offset<OffsetType>
 {
   inline const Type& operator () (const void *base) const
@@ -811,7 +810,7 @@ struct OffsetTo : Offset<OffsetType>
   }
   DEFINE_SIZE_STATIC (sizeof(OffsetType));
 };
-template <typename Type> struct LOffsetTo : OffsetTo<Type, ULONG> {};
+template <typename Type> struct LOffsetTo : OffsetTo<Type, UINT32> {};
 template <typename Base, typename OffsetType, typename Type>
 static inline const Type& operator + (const Base &base, const OffsetTo<Type, OffsetType> &offset) { return offset (base); }
 template <typename Base, typename OffsetType, typename Type>
@@ -823,7 +822,7 @@ static inline Type& operator + (Base &base, OffsetTo<Type, OffsetType> &offset)
  */
 
 /* An array with a number of elements. */
-template <typename Type, typename LenType=USHORT>
+template <typename Type, typename LenType=UINT16>
 struct ArrayOf
 {
   const Type *sub_array (unsigned int start_offset, unsigned int *pcount /* IN/OUT */) const
@@ -933,10 +932,10 @@ struct ArrayOf
   public:
   DEFINE_SIZE_ARRAY (sizeof (LenType), array);
 };
-template <typename Type> struct LArrayOf : ArrayOf<Type, ULONG> {};
+template <typename Type> struct LArrayOf : ArrayOf<Type, UINT32> {};
 
 /* Array of Offset's */
-template <typename Type, typename OffsetType=USHORT>
+template <typename Type, typename OffsetType=UINT16>
 struct OffsetArrayOf : ArrayOf<OffsetTo<Type, OffsetType> > {};
 
 /* Array of offsets relative to the beginning of the array itself. */
@@ -964,7 +963,7 @@ struct OffsetListOf : OffsetArrayOf<Type>
 
 
 /* An array starting at second element. */
-template <typename Type, typename LenType=USHORT>
+template <typename Type, typename LenType=UINT16>
 struct HeadlessArrayOf
 {
   inline const Type& operator [] (unsigned int i) const
@@ -1026,7 +1025,7 @@ struct HeadlessArrayOf
 /*
  * An array with sorted elements.  Supports binary searching.
  */
-template <typename Type, typename LenType=USHORT>
+template <typename Type, typename LenType=UINT16>
 struct SortedArrayOf : ArrayOf<Type, LenType>
 {
   template <typename SearchType>
@@ -1065,10 +1064,10 @@ struct BinSearchHeader
   }
 
   protected:
-  USHORT	len;
-  USHORT	searchRangeZ;
-  USHORT	entrySelectorZ;
-  USHORT	rangeShiftZ;
+  UINT16	len;
+  UINT16	searchRangeZ;
+  UINT16	entrySelectorZ;
+  UINT16	rangeShiftZ;
 
   public:
   DEFINE_SIZE_STATIC (8);
diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index ca2859eb5..415625e5f 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -47,20 +47,20 @@ struct SmallGlyphMetrics
     extents->height = -height;
   }
 
-  BYTE height;
-  BYTE width;
-  CHAR bearingX;
-  CHAR bearingY;
-  BYTE advance;
+  UINT8 height;
+  UINT8 width;
+  INT8 bearingX;
+  INT8 bearingY;
+  UINT8 advance;
 
   DEFINE_SIZE_STATIC(5);
 };
 
 struct BigGlyphMetrics : SmallGlyphMetrics
 {
-  CHAR vertBearingX;
-  CHAR vertBearingY;
-  BYTE vertAdvance;
+  INT8 vertBearingX;
+  INT8 vertBearingY;
+  UINT8 vertAdvance;
 
   DEFINE_SIZE_STATIC(8);
 };
@@ -73,18 +73,18 @@ struct SBitLineMetrics
     return_trace (c->check_struct (this));
   }
 
-  CHAR ascender;
-  CHAR decender;
-  BYTE widthMax;
-  CHAR caretSlopeNumerator;
-  CHAR caretSlopeDenominator;
-  CHAR caretOffset;
-  CHAR minOriginSB;
-  CHAR minAdvanceSB;
-  CHAR maxBeforeBL;
-  CHAR minAfterBL;
-  CHAR padding1;
-  CHAR padding2;
+  INT8 ascender;
+  INT8 decender;
+  UINT8 widthMax;
+  INT8 caretSlopeNumerator;
+  INT8 caretSlopeDenominator;
+  INT8 caretOffset;
+  INT8 minOriginSB;
+  INT8 minAdvanceSB;
+  INT8 maxBeforeBL;
+  INT8 minAfterBL;
+  INT8 padding1;
+  INT8 padding2;
 
   DEFINE_SIZE_STATIC(12);
 };
@@ -102,9 +102,9 @@ struct IndexSubtableHeader
     return_trace (c->check_struct (this));
   }
 
-  USHORT indexFormat;
-  USHORT imageFormat;
-  ULONG imageDataOffset;
+  UINT16 indexFormat;
+  UINT16 imageFormat;
+  UINT32 imageDataOffset;
 
   DEFINE_SIZE_STATIC(8);
 };
@@ -137,8 +137,8 @@ struct IndexSubtableFormat1Or3
   DEFINE_SIZE_ARRAY(8, offsetArrayZ);
 };
 
-struct IndexSubtableFormat1 : IndexSubtableFormat1Or3<ULONG> {};
-struct IndexSubtableFormat3 : IndexSubtableFormat1Or3<USHORT> {};
+struct IndexSubtableFormat1 : IndexSubtableFormat1Or3<UINT32> {};
+struct IndexSubtableFormat3 : IndexSubtableFormat1Or3<UINT16> {};
 
 struct IndexSubtable
 {
@@ -214,8 +214,8 @@ struct IndexSubtableRecord
 						   offset, length, format);
   }
 
-  USHORT firstGlyphIndex;
-  USHORT lastGlyphIndex;
+  UINT16 firstGlyphIndex;
+  UINT16 lastGlyphIndex;
   LOffsetTo<IndexSubtable> offsetToSubtable;
 
   DEFINE_SIZE_STATIC(8);
@@ -276,17 +276,17 @@ struct BitmapSizeTable
 
   protected:
   LOffsetTo<IndexSubtableArray> indexSubtableArrayOffset;
-  ULONG indexTablesSize;
-  ULONG numberOfIndexSubtables;
-  ULONG colorRef;
+  UINT32 indexTablesSize;
+  UINT32 numberOfIndexSubtables;
+  UINT32 colorRef;
   SBitLineMetrics horizontal;
   SBitLineMetrics vertical;
-  USHORT startGlyphIndex;
-  USHORT endGlyphIndex;
-  BYTE ppemX;
-  BYTE ppemY;
-  BYTE bitDepth;
-  CHAR flags;
+  UINT16 startGlyphIndex;
+  UINT16 endGlyphIndex;
+  UINT8 ppemX;
+  UINT8 ppemY;
+  UINT8 bitDepth;
+  INT8 flags;
 
   public:
   DEFINE_SIZE_STATIC(48);
@@ -300,8 +300,8 @@ struct BitmapSizeTable
 struct GlyphBitmapDataFormat17
 {
   SmallGlyphMetrics glyphMetrics;
-  ULONG dataLen;
-  BYTE dataZ[VAR];
+  UINT32 dataLen;
+  UINT8 dataZ[VAR];
 
   DEFINE_SIZE_ARRAY(9, dataZ);
 };
@@ -460,7 +460,7 @@ struct CBDT
 
   protected:
   FixedVersion<>version;
-  BYTE dataZ[VAR];
+  UINT8 dataZ[VAR];
 
   public:
   DEFINE_SIZE_ARRAY(4, dataZ);
diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 4602eac89..883d7b3f0 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -58,10 +58,10 @@ struct CmapSubtableFormat0
   }
 
   protected:
-  USHORT	format;		/* Format number is set to 0. */
-  USHORT	lengthZ;	/* Byte length of this subtable. */
-  USHORT	languageZ;	/* Ignore. */
-  BYTE		glyphIdArray[256];/* An array that maps character
+  UINT16	format;		/* Format number is set to 0. */
+  UINT16	lengthZ;	/* Byte length of this subtable. */
+  UINT16	languageZ;	/* Ignore. */
+  UINT8		glyphIdArray[256];/* An array that maps character
 				 * code to glyph index values. */
   public:
   DEFINE_SIZE_STATIC (6 + 256);
@@ -88,8 +88,8 @@ struct CmapSubtableFormat4
 
       /* Custom two-array bsearch. */
       int min = 0, max = (int) thiz->segCount - 1;
-      const USHORT *startCount = thiz->startCount;
-      const USHORT *endCount = thiz->endCount;
+      const UINT16 *startCount = thiz->startCount;
+      const UINT16 *endCount = thiz->endCount;
       unsigned int i;
       while (min <= max)
       {
@@ -127,11 +127,11 @@ struct CmapSubtableFormat4
       return true;
     }
 
-    const USHORT *endCount;
-    const USHORT *startCount;
-    const USHORT *idDelta;
-    const USHORT *idRangeOffset;
-    const USHORT *glyphIdArray;
+    const UINT16 *endCount;
+    const UINT16 *startCount;
+    const UINT16 *idDelta;
+    const UINT16 *idRangeOffset;
+    const UINT16 *glyphIdArray;
     unsigned int segCount;
     unsigned int glyphIdArrayLength;
   };
@@ -165,24 +165,24 @@ struct CmapSubtableFormat4
   }
 
   protected:
-  USHORT	format;		/* Format number is set to 4. */
-  USHORT	length;		/* This is the length in bytes of the
+  UINT16	format;		/* Format number is set to 4. */
+  UINT16	length;		/* This is the length in bytes of the
 				 * subtable. */
-  USHORT	languageZ;	/* Ignore. */
-  USHORT	segCountX2;	/* 2 x segCount. */
-  USHORT	searchRangeZ;	/* 2 * (2**floor(log2(segCount))) */
-  USHORT	entrySelectorZ;	/* log2(searchRange/2) */
-  USHORT	rangeShiftZ;	/* 2 x segCount - searchRange */
+  UINT16	languageZ;	/* Ignore. */
+  UINT16	segCountX2;	/* 2 x segCount. */
+  UINT16	searchRangeZ;	/* 2 * (2**floor(log2(segCount))) */
+  UINT16	entrySelectorZ;	/* log2(searchRange/2) */
+  UINT16	rangeShiftZ;	/* 2 x segCount - searchRange */
 
-  USHORT	values[VAR];
+  UINT16	values[VAR];
 #if 0
-  USHORT	endCount[segCount];	/* End characterCode for each segment,
+  UINT16	endCount[segCount];	/* End characterCode for each segment,
 					 * last=0xFFFFu. */
-  USHORT	reservedPad;		/* Set to 0. */
-  USHORT	startCount[segCount];	/* Start character code for each segment. */
-  SHORT		idDelta[segCount];	/* Delta for all character codes in segment. */
-  USHORT	idRangeOffset[segCount];/* Offsets into glyphIdArray or 0 */
-  USHORT	glyphIdArray[VAR];	/* Glyph index array (arbitrary length) */
+  UINT16	reservedPad;		/* Set to 0. */
+  UINT16	startCount[segCount];	/* Start character code for each segment. */
+  INT16		idDelta[segCount];	/* Delta for all character codes in segment. */
+  UINT16	idRangeOffset[segCount];/* Offsets into glyphIdArray or 0 */
+  UINT16	glyphIdArray[VAR];	/* Glyph index array (arbitrary length) */
 #endif
 
   public:
@@ -208,9 +208,9 @@ struct CmapSubtableLongGroup
   }
 
   private:
-  ULONG		startCharCode;	/* First character code in this group. */
-  ULONG		endCharCode;	/* Last character code in this group. */
-  ULONG		glyphID;	/* Glyph index; interpretation depends on
+  UINT32		startCharCode;	/* First character code in this group. */
+  UINT32		endCharCode;	/* Last character code in this group. */
+  UINT32		glyphID;	/* Glyph index; interpretation depends on
 				 * subtable format. */
   public:
   DEFINE_SIZE_STATIC (12);
@@ -247,8 +247,8 @@ struct CmapSubtableTrimmed
   DEFINE_SIZE_ARRAY (5 * sizeof (UINT), glyphIdArray);
 };
 
-struct CmapSubtableFormat6  : CmapSubtableTrimmed<USHORT> {};
-struct CmapSubtableFormat10 : CmapSubtableTrimmed<ULONG > {};
+struct CmapSubtableFormat6  : CmapSubtableTrimmed<UINT16> {};
+struct CmapSubtableFormat10 : CmapSubtableTrimmed<UINT32 > {};
 
 template <typename T>
 struct CmapSubtableLongSegmented
@@ -269,11 +269,11 @@ struct CmapSubtableLongSegmented
   }
 
   protected:
-  USHORT	format;		/* Subtable format; set to 12. */
-  USHORT	reservedZ;	/* Reserved; set to 0. */
-  ULONG		lengthZ;	/* Byte length of this subtable. */
-  ULONG		languageZ;	/* Ignore. */
-  SortedArrayOf<CmapSubtableLongGroup, ULONG>
+  UINT16	format;		/* Subtable format; set to 12. */
+  UINT16	reservedZ;	/* Reserved; set to 0. */
+  UINT32		lengthZ;	/* Byte length of this subtable. */
+  UINT32		languageZ;	/* Ignore. */
+  SortedArrayOf<CmapSubtableLongGroup, UINT32>
 		groups;		/* Groupings. */
   public:
   DEFINE_SIZE_ARRAY (16, groups);
@@ -316,13 +316,13 @@ struct UnicodeValueRange
   }
 
   UINT24	startUnicodeValue;	/* First value in this range. */
-  BYTE		additionalCount;	/* Number of additional values in this
+  UINT8		additionalCount;	/* Number of additional values in this
 					 * range. */
   public:
   DEFINE_SIZE_STATIC (4);
 };
 
-typedef SortedArrayOf<UnicodeValueRange, ULONG> DefaultUVS;
+typedef SortedArrayOf<UnicodeValueRange, UINT32> DefaultUVS;
 
 struct UVSMapping
 {
@@ -343,7 +343,7 @@ struct UVSMapping
   DEFINE_SIZE_STATIC (5);
 };
 
-typedef SortedArrayOf<UVSMapping, ULONG> NonDefaultUVS;
+typedef SortedArrayOf<UVSMapping, UINT32> NonDefaultUVS;
 
 struct VariationSelectorRecord
 {
@@ -405,9 +405,9 @@ struct CmapSubtableFormat14
   }
 
   protected:
-  USHORT	format;		/* Format number is set to 14. */
-  ULONG		lengthZ;	/* Byte length of this subtable. */
-  SortedArrayOf<VariationSelectorRecord, ULONG>
+  UINT16	format;		/* Format number is set to 14. */
+  UINT32		lengthZ;	/* Byte length of this subtable. */
+  SortedArrayOf<VariationSelectorRecord, UINT32>
 		record;		/* Variation selector records; sorted
 				 * in increasing order of `varSelector'. */
   public:
@@ -451,7 +451,7 @@ struct CmapSubtable
 
   public:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   CmapSubtableFormat0	format0;
   CmapSubtableFormat4	format4;
   CmapSubtableFormat6	format6;
@@ -484,8 +484,8 @@ struct EncodingRecord
 		  subtable.sanitize (c, base));
   }
 
-  USHORT	platformID;	/* Platform ID. */
-  USHORT	encodingID;	/* Platform-specific encoding ID. */
+  UINT16	platformID;	/* Platform ID. */
+  UINT16	encodingID;	/* Platform-specific encoding ID. */
   LOffsetTo<CmapSubtable>
 		subtable;	/* Byte offset from beginning of table to the subtable for this encoding. */
   public:
@@ -654,7 +654,7 @@ struct cmap
   }
 
   protected:
-  USHORT		version;	/* Table version number (0). */
+  UINT16		version;	/* Table version number (0). */
   SortedArrayOf<EncodingRecord>
 			encodingRecord;	/* Encoding tables. */
   public:
diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 1ac12557d..88d3850b6 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -54,7 +54,7 @@ struct loca
   }
 
   protected:
-  BYTE		dataX[VAR];		/* Location data. */
+  UINT8		dataX[VAR];		/* Location data. */
   DEFINE_SIZE_ARRAY (0, dataX);
 };
 
@@ -80,7 +80,7 @@ struct glyf
 
   struct GlyphHeader
   {
-    SHORT		numberOfContours;	/* If the number of contours is
+    INT16		numberOfContours;	/* If the number of contours is
 					   * greater than or equal to zero,
 					   * this is a simple glyph; if negative,
 					   * this is a composite glyph. */
@@ -131,13 +131,13 @@ struct glyf
       unsigned int start_offset, end_offset;
       if (short_offset)
       {
-        const USHORT *offsets = (const USHORT *) loca_table->dataX;
+        const UINT16 *offsets = (const UINT16 *) loca_table->dataX;
 	start_offset = 2 * offsets[glyph];
 	end_offset   = 2 * offsets[glyph + 1];
       }
       else
       {
-        const ULONG *offsets = (const ULONG *) loca_table->dataX;
+        const UINT32 *offsets = (const UINT32 *) loca_table->dataX;
 	start_offset = offsets[glyph];
 	end_offset   = offsets[glyph + 1];
       }
@@ -169,7 +169,7 @@ struct glyf
   };
 
   protected:
-  BYTE		dataX[VAR];		/* Glyphs data. */
+  UINT8		dataX[VAR];		/* Glyphs data. */
 
   DEFINE_SIZE_ARRAY (0, dataX);
 };
diff --git a/src/hb-ot-head-table.hh b/src/hb-ot-head-table.hh
index 9c3e51eb0..dd4349ef8 100644
--- a/src/hb-ot-head-table.hh
+++ b/src/hb-ot-head-table.hh
@@ -64,11 +64,11 @@ struct head
   FixedVersion<>version;		/* Version of the head table--currently
 					 * 0x00010000u for version 1.0. */
   FixedVersion<>fontRevision;		/* Set by font manufacturer. */
-  ULONG		checkSumAdjustment;	/* To compute: set it to 0, sum the
-					 * entire font as ULONG, then store
+  UINT32		checkSumAdjustment;	/* To compute: set it to 0, sum the
+					 * entire font as UINT32, then store
 					 * 0xB1B0AFBAu - sum. */
-  ULONG		magicNumber;		/* Set to 0x5F0F3CF5u. */
-  USHORT	flags;			/* Bit 0: Baseline for font at y=0;
+  UINT32		magicNumber;		/* Set to 0x5F0F3CF5u. */
+  UINT16	flags;			/* Bit 0: Baseline for font at y=0;
 					 * Bit 1: Left sidebearing point at x=0;
 					 * Bit 2: Instructions may depend on point size;
 					 * Bit 3: Force ppem to integer values for all
@@ -114,18 +114,18 @@ struct head
 					 * encoded in the cmap subtables represent proper
 					 * support for those code points.
 					 * Bit 15: Reserved, set to 0. */
-  USHORT	unitsPerEm;		/* Valid range is from 16 to 16384. This value
+  UINT16	unitsPerEm;		/* Valid range is from 16 to 16384. This value
 					 * should be a power of 2 for fonts that have
 					 * TrueType outlines. */
   LONGDATETIME	created;		/* Number of seconds since 12:00 midnight,
 					   January 1, 1904. 64-bit integer */
   LONGDATETIME	modified;		/* Number of seconds since 12:00 midnight,
 					   January 1, 1904. 64-bit integer */
-  SHORT		xMin;			/* For all glyph bounding boxes. */
-  SHORT		yMin;			/* For all glyph bounding boxes. */
-  SHORT		xMax;			/* For all glyph bounding boxes. */
-  SHORT		yMax;			/* For all glyph bounding boxes. */
-  USHORT	macStyle;		/* Bit 0: Bold (if set to 1);
+  INT16		xMin;			/* For all glyph bounding boxes. */
+  INT16		yMin;			/* For all glyph bounding boxes. */
+  INT16		xMax;			/* For all glyph bounding boxes. */
+  INT16		yMax;			/* For all glyph bounding boxes. */
+  UINT16	macStyle;		/* Bit 0: Bold (if set to 1);
 					 * Bit 1: Italic (if set to 1)
 					 * Bit 2: Underline (if set to 1)
 					 * Bit 3: Outline (if set to 1)
@@ -133,16 +133,16 @@ struct head
 					 * Bit 5: Condensed (if set to 1)
 					 * Bit 6: Extended (if set to 1)
 					 * Bits 7-15: Reserved (set to 0). */
-  USHORT	lowestRecPPEM;		/* Smallest readable size in pixels. */
-  SHORT		fontDirectionHint;	/* Deprecated (Set to 2).
+  UINT16	lowestRecPPEM;		/* Smallest readable size in pixels. */
+  INT16		fontDirectionHint;	/* Deprecated (Set to 2).
 					 * 0: Fully mixed directional glyphs;
 					 * 1: Only strongly left to right;
 					 * 2: Like 1 but also contains neutrals;
 					 * -1: Only strongly right to left;
 					 * -2: Like -1 but also contains neutrals. */
   public:
-  SHORT		indexToLocFormat;	/* 0 for short offsets, 1 for long. */
-  SHORT		glyphDataFormat;	/* 0 for current format. */
+  INT16		indexToLocFormat;	/* 0 for short offsets, 1 for long. */
+  INT16		glyphDataFormat;	/* 0 for current format. */
 
   DEFINE_SIZE_STATIC (54);
 };
diff --git a/src/hb-ot-hhea-table.hh b/src/hb-ot-hhea-table.hh
index a4f0acfee..dca014148 100644
--- a/src/hb-ot-hhea-table.hh
+++ b/src/hb-ot-hhea-table.hh
@@ -64,21 +64,21 @@ struct _hea
 					 * (xMax - xMin)) for horizontal. */
   FWORD		maxExtent;		/* horizontal: Max(lsb + (xMax - xMin)),
 					 * vertical: minLeadingBearing+(yMax-yMin). */
-  SHORT		caretSlopeRise;		/* Used to calculate the slope of the
+  INT16		caretSlopeRise;		/* Used to calculate the slope of the
 					 * cursor (rise/run); 1 for vertical caret,
 					 * 0 for horizontal.*/
-  SHORT		caretSlopeRun;		/* 0 for vertical caret, 1 for horizontal. */
-  SHORT		caretOffset;		/* The amount by which a slanted
+  INT16		caretSlopeRun;		/* 0 for vertical caret, 1 for horizontal. */
+  INT16		caretOffset;		/* The amount by which a slanted
 					 * highlight on a glyph needs
 					 * to be shifted to produce the
 					 * best appearance. Set to 0 for
 					 * non-slanted fonts. */
-  SHORT		reserved1;		/* Set to 0. */
-  SHORT		reserved2;		/* Set to 0. */
-  SHORT		reserved3;		/* Set to 0. */
-  SHORT		reserved4;		/* Set to 0. */
-  SHORT		metricDataFormat;	/* 0 for current format. */
-  USHORT	numberOfLongMetrics;	/* Number of LongMetric entries in metric
+  INT16		reserved1;		/* Set to 0. */
+  INT16		reserved2;		/* Set to 0. */
+  INT16		reserved3;		/* Set to 0. */
+  INT16		reserved4;		/* Set to 0. */
+  INT16		metricDataFormat;	/* 0 for current format. */
+  UINT16	numberOfLongMetrics;	/* Number of LongMetric entries in metric
 					 * table. */
   public:
   DEFINE_SIZE_STATIC (36);
diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index aa293b8de..e07faca63 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -104,8 +104,8 @@ struct KernClassTable
   }
 
   protected:
-  USHORT		firstGlyph;	/* First glyph in class range. */
-  ArrayOf<USHORT>	classes;	/* Glyph classes. */
+  UINT16		firstGlyph;	/* First glyph in class range. */
+  ArrayOf<UINT16>	classes;	/* Glyph classes. */
   public:
   DEFINE_SIZE_ARRAY (4, classes);
 };
@@ -136,7 +136,7 @@ struct KernSubTableFormat2
   }
 
   protected:
-  USHORT	rowWidth;	/* The width, in bytes, of a row in the table. */
+  UINT16	rowWidth;	/* The width, in bytes, of a row in the table. */
   OffsetTo<KernClassTable>
 		leftClassTable;	/* Offset from beginning of this subtable to
 				 * left-hand class table. */
@@ -275,19 +275,19 @@ struct KernOT : KernTable<KernOT>
     };
 
     protected:
-    USHORT	versionZ;	/* Unused. */
-    USHORT	length;		/* Length of the subtable (including this header). */
-    BYTE	format;		/* Subtable format. */
-    BYTE	coverage;	/* Coverage bits. */
+    UINT16	versionZ;	/* Unused. */
+    UINT16	length;		/* Length of the subtable (including this header). */
+    UINT8	format;		/* Subtable format. */
+    UINT8	coverage;	/* Coverage bits. */
     KernSubTable subtable;	/* Subtable data. */
     public:
     DEFINE_SIZE_MIN (6);
   };
 
   protected:
-  USHORT	version;	/* Version--0x0000u */
-  USHORT	nTables;	/* Number of subtables in the kerning table. */
-  BYTE		data[VAR];
+  UINT16	version;	/* Version--0x0000u */
+  UINT16	nTables;	/* Number of subtables in the kerning table. */
+  UINT8		data[VAR];
   public:
   DEFINE_SIZE_ARRAY (4, data);
 };
@@ -314,10 +314,10 @@ struct KernAAT : KernTable<KernAAT>
     };
 
     protected:
-    ULONG	length;		/* Length of the subtable (including this header). */
-    BYTE	coverage;	/* Coverage bits. */
-    BYTE	format;		/* Subtable format. */
-    USHORT	tupleIndex;	/* The tuple index (used for variations fonts).
+    UINT32	length;		/* Length of the subtable (including this header). */
+    UINT8	coverage;	/* Coverage bits. */
+    UINT8	format;		/* Subtable format. */
+    UINT16	tupleIndex;	/* The tuple index (used for variations fonts).
 				 * This value specifies which tuple this subtable covers. */
     KernSubTable subtable;	/* Subtable data. */
     public:
@@ -325,9 +325,9 @@ struct KernAAT : KernTable<KernAAT>
   };
 
   protected:
-  ULONG		version;	/* Version--0x00010000u */
-  ULONG		nTables;	/* Number of subtables in the kerning table. */
-  BYTE		data[VAR];
+  UINT32		version;	/* Version--0x00010000u */
+  UINT32		nTables;	/* Number of subtables in the kerning table. */
+  UINT8		data[VAR];
   public:
   DEFINE_SIZE_ARRAY (8, data);
 };
@@ -380,7 +380,7 @@ struct kern
 
   protected:
   union {
-  USHORT		major;
+  UINT16		major;
   KernOT		ot;
   KernAAT		aat;
   } u;
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 8d881add5..dfbcf1efa 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -161,7 +161,7 @@ struct RangeRecord
 
   GlyphID	start;		/* First GlyphID in the range */
   GlyphID	end;		/* Last GlyphID in the range */
-  USHORT	value;		/* Value */
+  UINT16	value;		/* Value */
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -175,7 +175,7 @@ struct IndexArray : ArrayOf<Index>
 				   unsigned int *_indexes /* OUT */) const
   {
     if (_count) {
-      const USHORT *arr = this->sub_array (start_offset, _count);
+      const UINT16 *arr = this->sub_array (start_offset, _count);
       unsigned int count = *_count;
       for (unsigned int i = 0; i < count; i++)
 	_indexes[i] = arr[i];
@@ -218,7 +218,7 @@ struct LangSys
 
   Offset<>	lookupOrderZ;	/* = Null (reserved for an offset to a
 				 * reordering table) */
-  USHORT	reqFeatureIndex;/* Index of a feature required for this
+  UINT16	reqFeatureIndex;/* Index of a feature required for this
 				 * language system--if no required features
 				 * = 0xFFFFu */
   IndexArray	featureIndex;	/* Array of indices into the FeatureList */
@@ -343,12 +343,12 @@ struct FeatureParamsSize
       return_trace (true);
   }
 
-  USHORT	designSize;	/* Represents the design size in 720/inch
+  UINT16	designSize;	/* Represents the design size in 720/inch
 				 * units (decipoints).  The design size entry
 				 * must be non-zero.  When there is a design
 				 * size but no recommended size range, the
 				 * rest of the array will consist of zeros. */
-  USHORT	subfamilyID;	/* Has no independent meaning, but serves
+  UINT16	subfamilyID;	/* Has no independent meaning, but serves
 				 * as an identifier that associates fonts
 				 * in a subfamily. All fonts which share a
 				 * Preferred or Font Family name and which
@@ -358,7 +358,7 @@ struct FeatureParamsSize
 				 * same subfamily value. If this value is
 				 * zero, the remaining fields in the array
 				 * will be ignored. */
-  USHORT	subfamilyNameID;/* If the preceding value is non-zero, this
+  UINT16	subfamilyNameID;/* If the preceding value is non-zero, this
 				 * value must be set in the range 256 - 32767
 				 * (inclusive). It records the value of a
 				 * field in the name table, which must
@@ -372,10 +372,10 @@ struct FeatureParamsSize
 				 * subfamily in a menu.  Applications will
 				 * choose the appropriate version based on
 				 * their selection criteria. */
-  USHORT	rangeStart;	/* Large end of the recommended usage range
+  UINT16	rangeStart;	/* Large end of the recommended usage range
 				 * (inclusive), stored in 720/inch units
 				 * (decipoints). */
-  USHORT	rangeEnd;	/* Small end of the recommended usage range
+  UINT16	rangeEnd;	/* Small end of the recommended usage range
 				   (exclusive), stored in 720/inch units
 				 * (decipoints). */
   public:
@@ -393,12 +393,12 @@ struct FeatureParamsStylisticSet
     return_trace (c->check_struct (this));
   }
 
-  USHORT	version;	/* (set to 0): This corresponds to a “minor”
+  UINT16	version;	/* (set to 0): This corresponds to a “minor”
 				 * version number. Additional data may be
 				 * added to the end of this Feature Parameters
 				 * table in the future. */
 
-  USHORT	uiNameID;	/* The 'name' table name ID that specifies a
+  UINT16	uiNameID;	/* The 'name' table name ID that specifies a
 				 * string (or strings, for multiple languages)
 				 * for a user-interface label for this
 				 * feature.  The values of uiLabelNameId and
@@ -426,25 +426,25 @@ struct FeatureParamsCharacterVariants
 		  characters.sanitize (c));
   }
 
-  USHORT	format;			/* Format number is set to 0. */
-  USHORT	featUILableNameID;	/* The ‘name’ table name ID that
+  UINT16	format;			/* Format number is set to 0. */
+  UINT16	featUILableNameID;	/* The ‘name’ table name ID that
 					 * specifies a string (or strings,
 					 * for multiple languages) for a
 					 * user-interface label for this
 					 * feature. (May be nullptr.) */
-  USHORT	featUITooltipTextNameID;/* The ‘name’ table name ID that
+  UINT16	featUITooltipTextNameID;/* The ‘name’ table name ID that
 					 * specifies a string (or strings,
 					 * for multiple languages) that an
 					 * application can use for tooltip
 					 * text for this feature. (May be
 					 * nullptr.) */
-  USHORT	sampleTextNameID;	/* The ‘name’ table name ID that
+  UINT16	sampleTextNameID;	/* The ‘name’ table name ID that
 					 * specifies sample text that
 					 * illustrates the effect of this
 					 * feature. (May be nullptr.) */
-  USHORT	numNamedParameters;	/* Number of named parameters. (May
+  UINT16	numNamedParameters;	/* Number of named parameters. (May
 					 * be zero.) */
-  USHORT	firstParamUILabelNameID;/* The first ‘name’ table name ID
+  UINT16	firstParamUILabelNameID;/* The first ‘name’ table name ID
 					 * used to specify strings for
 					 * user-interface labels for the
 					 * feature parameters. (Must be zero
@@ -562,7 +562,7 @@ struct Feature
 typedef RecordListOf<Feature> FeatureList;
 
 
-struct LookupFlag : USHORT
+struct LookupFlag : UINT16
 {
   enum Flags {
     RightToLeft		= 0x0001u,
@@ -608,7 +608,7 @@ struct Lookup
     unsigned int flag = lookupFlag;
     if (unlikely (flag & LookupFlag::UseMarkFilteringSet))
     {
-      const USHORT &markFilteringSet = StructAfter<USHORT> (subTable);
+      const UINT16 &markFilteringSet = StructAfter<UINT16> (subTable);
       flag += (markFilteringSet << 16);
     }
     return flag;
@@ -640,7 +640,7 @@ struct Lookup
     if (unlikely (!subTable.serialize (c, num_subtables))) return_trace (false);
     if (lookupFlag & LookupFlag::UseMarkFilteringSet)
     {
-      USHORT &markFilteringSet = StructAfter<USHORT> (subTable);
+      UINT16 &markFilteringSet = StructAfter<UINT16> (subTable);
       markFilteringSet.set (lookup_props >> 16);
     }
     return_trace (true);
@@ -653,18 +653,18 @@ struct Lookup
     if (!(c->check_struct (this) && subTable.sanitize (c))) return_trace (false);
     if (lookupFlag & LookupFlag::UseMarkFilteringSet)
     {
-      const USHORT &markFilteringSet = StructAfter<USHORT> (subTable);
+      const UINT16 &markFilteringSet = StructAfter<UINT16> (subTable);
       if (!markFilteringSet.sanitize (c)) return_trace (false);
     }
     return_trace (true);
   }
 
   private:
-  USHORT	lookupType;		/* Different enumerations for GSUB and GPOS */
-  USHORT	lookupFlag;		/* Lookup qualifiers */
+  UINT16	lookupType;		/* Different enumerations for GSUB and GPOS */
+  UINT16	lookupFlag;		/* Lookup qualifiers */
   ArrayOf<Offset<> >
 		subTable;		/* Array of SubTables */
-  USHORT	markFilteringSetX[VAR];	/* Index (base 0) into GDEF mark glyph sets
+  UINT16	markFilteringSetX[VAR];	/* Index (base 0) into GDEF mark glyph sets
 					 * structure. This field is only present if bit
 					 * UseMarkFilteringSet of lookup flags is set. */
   public:
@@ -737,7 +737,7 @@ struct CoverageFormat1
   private:
 
   protected:
-  USHORT	coverageFormat;	/* Format identifier--format = 1 */
+  UINT16	coverageFormat;	/* Format identifier--format = 1 */
   SortedArrayOf<GlyphID>
 		glyphArray;	/* Array of GlyphIDs--in numerical order */
   public:
@@ -860,7 +860,7 @@ struct CoverageFormat2
   private:
 
   protected:
-  USHORT	coverageFormat;	/* Format identifier--format = 2 */
+  UINT16	coverageFormat;	/* Format identifier--format = 2 */
   SortedArrayOf<RangeRecord>
 		rangeRecord;	/* Array of glyph ranges--ordered by
 				 * Start GlyphID. rangeCount entries
@@ -985,7 +985,7 @@ struct Coverage
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   CoverageFormat1	format1;
   CoverageFormat2	format2;
   } u;
@@ -1047,9 +1047,9 @@ struct ClassDefFormat1
   }
 
   protected:
-  USHORT	classFormat;		/* Format identifier--format = 1 */
+  UINT16	classFormat;		/* Format identifier--format = 1 */
   GlyphID	startGlyph;		/* First GlyphID of the classValueArray */
-  ArrayOf<USHORT>
+  ArrayOf<UINT16>
 		classValue;		/* Array of Class Values--one per GlyphID */
   public:
   DEFINE_SIZE_ARRAY (6, classValue);
@@ -1107,7 +1107,7 @@ struct ClassDefFormat2
   }
 
   protected:
-  USHORT	classFormat;	/* Format identifier--format = 2 */
+  UINT16	classFormat;	/* Format identifier--format = 2 */
   SortedArrayOf<RangeRecord>
 		rangeRecord;	/* Array of glyph ranges--ordered by
 				 * Start GlyphID */
@@ -1155,7 +1155,7 @@ struct ClassDef
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   ClassDefFormat1	format1;
   ClassDefFormat2	format2;
   } u;
@@ -1240,8 +1240,8 @@ struct VarRegionList
   }
 
   protected:
-  USHORT	axisCount;
-  USHORT	regionCount;
+  UINT16	axisCount;
+  UINT16	regionCount;
   VarRegionAxis	axesZ[VAR];
   public:
   DEFINE_SIZE_ARRAY (4, axesZ);
@@ -1265,13 +1265,13 @@ struct VarData
    unsigned int count = regionIndices.len;
    unsigned int scount = shortCount;
 
-   const BYTE *bytes = &StructAfter<BYTE> (regionIndices);
-   const BYTE *row = bytes + inner * (scount + count);
+   const UINT8 *bytes = &StructAfter<UINT8> (regionIndices);
+   const UINT8 *row = bytes + inner * (scount + count);
 
    float delta = 0.;
    unsigned int i = 0;
 
-   const SHORT *scursor = reinterpret_cast<const SHORT *> (row);
+   const INT16 *scursor = reinterpret_cast<const INT16 *> (row);
    for (; i < scount; i++)
    {
      float scalar = regions.evaluate (regionIndices.array[i], coords, coord_count);
@@ -1293,15 +1293,15 @@ struct VarData
     return_trace (c->check_struct (this) &&
 		  regionIndices.sanitize(c) &&
 		  shortCount <= regionIndices.len &&
-		  c->check_array (&StructAfter<BYTE> (regionIndices),
+		  c->check_array (&StructAfter<UINT8> (regionIndices),
 				  get_row_size (), itemCount));
   }
 
   protected:
-  USHORT		itemCount;
-  USHORT		shortCount;
-  ArrayOf<USHORT>	regionIndices;
-  BYTE			bytesX[VAR];
+  UINT16		itemCount;
+  UINT16		shortCount;
+  ArrayOf<UINT16>	regionIndices;
+  UINT8			bytesX[VAR];
   public:
   DEFINE_SIZE_ARRAY2 (6, regionIndices, bytesX);
 };
@@ -1337,9 +1337,9 @@ struct VariationStore
   }
 
   protected:
-  USHORT				format;
+  UINT16				format;
   LOffsetTo<VarRegionList>		regions;
-  OffsetArrayOf<VarData, ULONG>		dataSets;
+  OffsetArrayOf<VarData, UINT32>		dataSets;
   public:
   DEFINE_SIZE_ARRAY (8, dataSets);
 };
@@ -1366,8 +1366,8 @@ struct ConditionFormat1
   }
 
   protected:
-  USHORT	format;		/* Format identifier--format = 1 */
-  USHORT	axisIndex;
+  UINT16	format;		/* Format identifier--format = 1 */
+  UINT16	axisIndex;
   F2DOT14	filterRangeMinValue;
   F2DOT14	filterRangeMaxValue;
   public:
@@ -1396,7 +1396,7 @@ struct Condition
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   ConditionFormat1	format1;
   } u;
   public:
@@ -1421,7 +1421,7 @@ struct ConditionSet
   }
 
   protected:
-  OffsetArrayOf<Condition, ULONG> conditions;
+  OffsetArrayOf<Condition, UINT32> conditions;
   public:
   DEFINE_SIZE_ARRAY (2, conditions);
 };
@@ -1437,7 +1437,7 @@ struct FeatureTableSubstitutionRecord
   }
 
   protected:
-  USHORT		featureIndex;
+  UINT16		featureIndex;
   LOffsetTo<Feature>	feature;
   public:
   DEFINE_SIZE_STATIC (6);
@@ -1557,8 +1557,8 @@ struct HintingDevice
   inline unsigned int get_size (void) const
   {
     unsigned int f = deltaFormat;
-    if (unlikely (f < 1 || f > 3 || startSize > endSize)) return 3 * USHORT::static_size;
-    return USHORT::static_size * (4 + ((endSize - startSize) >> (4 - f)));
+    if (unlikely (f < 1 || f > 3 || startSize > endSize)) return 3 * UINT16::static_size;
+    return UINT16::static_size * (4 + ((endSize - startSize) >> (4 - f)));
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -1603,14 +1603,14 @@ struct HintingDevice
   }
 
   protected:
-  USHORT	startSize;		/* Smallest size to correct--in ppem */
-  USHORT	endSize;		/* Largest size to correct--in ppem */
-  USHORT	deltaFormat;		/* Format of DeltaValue array data: 1, 2, or 3
+  UINT16	startSize;		/* Smallest size to correct--in ppem */
+  UINT16	endSize;		/* Largest size to correct--in ppem */
+  UINT16	deltaFormat;		/* Format of DeltaValue array data: 1, 2, or 3
 					 * 1	Signed 2-bit value, 8 values per uint16
 					 * 2	Signed 4-bit value, 4 values per uint16
 					 * 3	Signed 8-bit value, 2 values per uint16
 					 */
-  USHORT	deltaValue[VAR];	/* Array of compressed data */
+  UINT16	deltaValue[VAR];	/* Array of compressed data */
   public:
   DEFINE_SIZE_ARRAY (6, deltaValue);
 };
@@ -1641,9 +1641,9 @@ struct VariationDevice
   }
 
   protected:
-  USHORT	outerIndex;
-  USHORT	innerIndex;
-  USHORT	deltaFormat;	/* Format identifier for this table: 0x0x8000 */
+  UINT16	outerIndex;
+  UINT16	innerIndex;
+  UINT16	deltaFormat;	/* Format identifier for this table: 0x0x8000 */
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -1651,10 +1651,10 @@ struct VariationDevice
 struct DeviceHeader
 {
   protected:
-  USHORT		reserved1;
-  USHORT		reserved2;
+  UINT16		reserved1;
+  UINT16		reserved2;
   public:
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   public:
   DEFINE_SIZE_STATIC (6);
 };
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index 99dda3a74..eed46dd67 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -41,7 +41,7 @@ namespace OT {
  * Attachment List Table
  */
 
-typedef ArrayOf<USHORT> AttachPoint;	/* Array of contour point indices--in
+typedef ArrayOf<UINT16> AttachPoint;	/* Array of contour point indices--in
 					 * increasing numerical order */
 
 struct AttachList
@@ -62,7 +62,7 @@ struct AttachList
     const AttachPoint &points = this+attachPoint[index];
 
     if (point_count) {
-      const USHORT *array = points.sub_array (start_offset, point_count);
+      const UINT16 *array = points.sub_array (start_offset, point_count);
       unsigned int count = *point_count;
       for (unsigned int i = 0; i < count; i++)
 	point_array[i] = array[i];
@@ -109,8 +109,8 @@ struct CaretValueFormat1
   }
 
   protected:
-  USHORT	caretValueFormat;	/* Format identifier--format = 1 */
-  SHORT		coordinate;		/* X or Y value, in design units */
+  UINT16	caretValueFormat;	/* Format identifier--format = 1 */
+  INT16		coordinate;		/* X or Y value, in design units */
   public:
   DEFINE_SIZE_STATIC (4);
 };
@@ -136,8 +136,8 @@ struct CaretValueFormat2
   }
 
   protected:
-  USHORT	caretValueFormat;	/* Format identifier--format = 2 */
-  USHORT	caretValuePoint;	/* Contour point index on glyph */
+  UINT16	caretValueFormat;	/* Format identifier--format = 2 */
+  UINT16	caretValuePoint;	/* Contour point index on glyph */
   public:
   DEFINE_SIZE_STATIC (4);
 };
@@ -160,8 +160,8 @@ struct CaretValueFormat3
   }
 
   protected:
-  USHORT	caretValueFormat;	/* Format identifier--format = 3 */
-  SHORT		coordinate;		/* X or Y value, in design units */
+  UINT16	caretValueFormat;	/* Format identifier--format = 3 */
+  INT16		coordinate;		/* X or Y value, in design units */
   OffsetTo<Device>
 		deviceTable;		/* Offset to Device table for X or Y
 					 * value--from beginning of CaretValue
@@ -199,7 +199,7 @@ struct CaretValue
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   CaretValueFormat1	format1;
   CaretValueFormat2	format2;
   CaretValueFormat3	format3;
@@ -294,7 +294,7 @@ struct MarkGlyphSetsFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   ArrayOf<LOffsetTo<Coverage> >
 		coverage;		/* Array of long offsets to mark set
 					 * coverage tables */
@@ -324,7 +324,7 @@ struct MarkGlyphSets
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   MarkGlyphSetsFormat1	format1;
   } u;
   public:
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index e45ce2721..3dcf2ec91 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -51,11 +51,11 @@ enum attach_type_t {
 
 /* Shared Tables: ValueRecord, Anchor Table, and MarkArray */
 
-typedef USHORT Value;
+typedef UINT16 Value;
 
 typedef Value ValueRecord[VAR];
 
-struct ValueFormat : USHORT
+struct ValueFormat : UINT16
 {
   enum Flags {
     xPlacement	= 0x0001u,	/* Includes horizontal adjustment for placement */
@@ -74,14 +74,14 @@ struct ValueFormat : USHORT
 
 /* All fields are options.  Only those available advance the value pointer. */
 #if 0
-  SHORT		xPlacement;		/* Horizontal adjustment for
+  INT16		xPlacement;		/* Horizontal adjustment for
 					 * placement--in design units */
-  SHORT		yPlacement;		/* Vertical adjustment for
+  INT16		yPlacement;		/* Vertical adjustment for
 					 * placement--in design units */
-  SHORT		xAdvance;		/* Horizontal adjustment for
+  INT16		xAdvance;		/* Horizontal adjustment for
 					 * advance--in design units (only used
 					 * for horizontal writing) */
-  SHORT		yAdvance;		/* Vertical adjustment for advance--in
+  INT16		yAdvance;		/* Vertical adjustment for advance--in
 					 * design units (only used for vertical
 					 * writing) */
   Offset	xPlaDevice;		/* Offset to Device table for
@@ -178,8 +178,8 @@ struct ValueFormat : USHORT
   static inline const OffsetTo<Device>& get_device (const Value* value)
   { return *CastP<OffsetTo<Device> > (value); }
 
-  static inline const SHORT& get_short (const Value* value)
-  { return *CastP<SHORT> (value); }
+  static inline const INT16& get_short (const Value* value)
+  { return *CastP<INT16> (value); }
 
   public:
 
@@ -247,9 +247,9 @@ struct AnchorFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
-  SHORT		xCoordinate;		/* Horizontal value--in design units */
-  SHORT		yCoordinate;		/* Vertical value--in design units */
+  UINT16	format;			/* Format identifier--format = 1 */
+  INT16		xCoordinate;		/* Horizontal value--in design units */
+  INT16		yCoordinate;		/* Vertical value--in design units */
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -278,10 +278,10 @@ struct AnchorFormat2
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 2 */
-  SHORT		xCoordinate;		/* Horizontal value--in design units */
-  SHORT		yCoordinate;		/* Vertical value--in design units */
-  USHORT	anchorPoint;		/* Index to glyph contour point */
+  UINT16	format;			/* Format identifier--format = 2 */
+  INT16		xCoordinate;		/* Horizontal value--in design units */
+  INT16		yCoordinate;		/* Vertical value--in design units */
+  UINT16	anchorPoint;		/* Index to glyph contour point */
   public:
   DEFINE_SIZE_STATIC (8);
 };
@@ -308,9 +308,9 @@ struct AnchorFormat3
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 3 */
-  SHORT		xCoordinate;		/* Horizontal value--in design units */
-  SHORT		yCoordinate;		/* Vertical value--in design units */
+  UINT16	format;			/* Format identifier--format = 3 */
+  INT16		xCoordinate;		/* Horizontal value--in design units */
+  INT16		yCoordinate;		/* Vertical value--in design units */
   OffsetTo<Device>
 		xDeviceTable;		/* Offset to Device table for X
 					 * coordinate-- from beginning of
@@ -351,7 +351,7 @@ struct Anchor
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   AnchorFormat1		format1;
   AnchorFormat2		format2;
   AnchorFormat3		format3;
@@ -382,7 +382,7 @@ struct AnchorMatrix
     return_trace (true);
   }
 
-  USHORT	rows;			/* Number of rows */
+  UINT16	rows;			/* Number of rows */
   protected:
   OffsetTo<Anchor>
 		matrixZ[VAR];		/* Matrix of offsets to Anchor tables--
@@ -403,7 +403,7 @@ struct MarkRecord
   }
 
   protected:
-  USHORT	klass;			/* Class defined for this mark */
+  UINT16	klass;			/* Class defined for this mark */
   OffsetTo<Anchor>
 		markAnchor;		/* Offset to Anchor table--from
 					 * beginning of MarkArray table */
@@ -492,7 +492,7 @@ struct SinglePosFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
@@ -544,13 +544,13 @@ struct SinglePosFormat2
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 2 */
+  UINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
   ValueFormat	valueFormat;		/* Defines the types of data in the
 					 * ValueRecord */
-  USHORT	valueCount;		/* Number of ValueRecords */
+  UINT16	valueCount;		/* Number of ValueRecords */
   ValueRecord	values;			/* Array of ValueRecords--positioning
 					 * values applied to glyphs */
   public:
@@ -573,7 +573,7 @@ struct SinglePos
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   SinglePosFormat1	format1;
   SinglePosFormat2	format2;
   } u;
@@ -604,7 +604,7 @@ struct PairSet
     TRACE_COLLECT_GLYPHS (this);
     unsigned int len1 = valueFormats[0].get_len ();
     unsigned int len2 = valueFormats[1].get_len ();
-    unsigned int record_size = USHORT::static_size * (1 + len1 + len2);
+    unsigned int record_size = UINT16::static_size * (1 + len1 + len2);
 
     const PairValueRecord *record = CastP<PairValueRecord> (arrayZ);
     unsigned int count = len;
@@ -623,7 +623,7 @@ struct PairSet
     hb_buffer_t *buffer = c->buffer;
     unsigned int len1 = valueFormats[0].get_len ();
     unsigned int len2 = valueFormats[1].get_len ();
-    unsigned int record_size = USHORT::static_size * (1 + len1 + len2);
+    unsigned int record_size = UINT16::static_size * (1 + len1 + len2);
 
     const PairValueRecord *record_array = CastP<PairValueRecord> (arrayZ);
     unsigned int count = len;
@@ -668,7 +668,7 @@ struct PairSet
   {
     TRACE_SANITIZE (this);
     if (!(c->check_struct (this)
-       && c->check_array (arrayZ, USHORT::static_size * closure->stride, len))) return_trace (false);
+       && c->check_array (arrayZ, UINT16::static_size * closure->stride, len))) return_trace (false);
 
     unsigned int count = len;
     const PairValueRecord *record = CastP<PairValueRecord> (arrayZ);
@@ -677,8 +677,8 @@ struct PairSet
   }
 
   protected:
-  USHORT	len;			/* Number of PairValueRecords */
-  USHORT	arrayZ[VAR];		/* Array of PairValueRecords--ordered
+  UINT16	len;			/* Number of PairValueRecords */
+  UINT16	arrayZ[VAR];		/* Array of PairValueRecords--ordered
 					 * by GlyphID of the second glyph */
   public:
   DEFINE_SIZE_ARRAY (2, arrayZ);
@@ -733,7 +733,7 @@ struct PairPosFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
@@ -823,7 +823,7 @@ struct PairPosFormat2
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 2 */
+  UINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
@@ -841,9 +841,9 @@ struct PairPosFormat2
 		classDef2;		/* Offset to ClassDef table--from
 					 * beginning of PairPos subtable--for
 					 * the second glyph of the pair */
-  USHORT	class1Count;		/* Number of classes in ClassDef1
+  UINT16	class1Count;		/* Number of classes in ClassDef1
 					 * table--includes Class0 */
-  USHORT	class2Count;		/* Number of classes in ClassDef2
+  UINT16	class2Count;		/* Number of classes in ClassDef2
 					 * table--includes Class0 */
   ValueRecord	values;			/* Matrix of value pairs:
 					 * class1-major, class2-minor,
@@ -868,7 +868,7 @@ struct PairPos
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   PairPosFormat1	format1;
   PairPosFormat2	format2;
   } u;
@@ -1022,7 +1022,7 @@ struct CursivePosFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
@@ -1048,7 +1048,7 @@ struct CursivePos
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   CursivePosFormat1	format1;
   } u;
 };
@@ -1113,14 +1113,14 @@ struct MarkBasePosFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		markCoverage;		/* Offset to MarkCoverage table--from
 					 * beginning of MarkBasePos subtable */
   OffsetTo<Coverage>
 		baseCoverage;		/* Offset to BaseCoverage table--from
 					 * beginning of MarkBasePos subtable */
-  USHORT	classCount;		/* Number of classes defined for marks */
+  UINT16	classCount;		/* Number of classes defined for marks */
   OffsetTo<MarkArray>
 		markArray;		/* Offset to MarkArray table--from
 					 * beginning of MarkBasePos subtable */
@@ -1146,7 +1146,7 @@ struct MarkBasePos
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   MarkBasePosFormat1	format1;
   } u;
 };
@@ -1230,7 +1230,7 @@ struct MarkLigPosFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		markCoverage;		/* Offset to Mark Coverage table--from
 					 * beginning of MarkLigPos subtable */
@@ -1238,7 +1238,7 @@ struct MarkLigPosFormat1
 		ligatureCoverage;	/* Offset to Ligature Coverage
 					 * table--from beginning of MarkLigPos
 					 * subtable */
-  USHORT	classCount;		/* Number of defined mark classes */
+  UINT16	classCount;		/* Number of defined mark classes */
   OffsetTo<MarkArray>
 		markArray;		/* Offset to MarkArray table--from
 					 * beginning of MarkLigPos subtable */
@@ -1264,7 +1264,7 @@ struct MarkLigPos
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   MarkLigPosFormat1	format1;
   } u;
 };
@@ -1344,7 +1344,7 @@ struct MarkMarkPosFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		mark1Coverage;		/* Offset to Combining Mark1 Coverage
 					 * table--from beginning of MarkMarkPos
@@ -1353,7 +1353,7 @@ struct MarkMarkPosFormat1
 		mark2Coverage;		/* Offset to Combining Mark2 Coverage
 					 * table--from beginning of MarkMarkPos
 					 * subtable */
-  USHORT	classCount;		/* Number of defined mark classes */
+  UINT16	classCount;		/* Number of defined mark classes */
   OffsetTo<MarkArray>
 		mark1Array;		/* Offset to Mark1Array table--from
 					 * beginning of MarkMarkPos subtable */
@@ -1379,7 +1379,7 @@ struct MarkMarkPos
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   MarkMarkPosFormat1	format1;
   } u;
 };
@@ -1438,7 +1438,7 @@ struct PosLookupSubTable
 
   protected:
   union {
-  USHORT		sub_format;
+  UINT16		sub_format;
   SinglePos		single;
   PairPos		pair;
   CursivePos		cursive;
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 4ae45b9ef..98f3784cf 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -110,11 +110,11 @@ struct SingleSubstFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
-  SHORT		deltaGlyphID;		/* Add to original GlyphID to get
+  INT16		deltaGlyphID;		/* Add to original GlyphID to get
 					 * substitute GlyphID */
   public:
   DEFINE_SIZE_STATIC (6);
@@ -195,7 +195,7 @@ struct SingleSubstFormat2
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 2 */
+  UINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
@@ -249,7 +249,7 @@ struct SingleSubst
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   SingleSubstFormat1	format1;
   SingleSubstFormat2	format2;
   } u;
@@ -400,7 +400,7 @@ struct MultipleSubstFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
@@ -442,7 +442,7 @@ struct MultipleSubst
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   MultipleSubstFormat1	format1;
   } u;
 };
@@ -552,7 +552,7 @@ struct AlternateSubstFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
@@ -594,7 +594,7 @@ struct AlternateSubst
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   AlternateSubstFormat1	format1;
   } u;
 };
@@ -868,7 +868,7 @@ struct LigatureSubstFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
@@ -918,7 +918,7 @@ struct LigatureSubst
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   LigatureSubstFormat1	format1;
   } u;
 };
@@ -1016,11 +1016,11 @@ struct ReverseChainSingleSubstFormat1
 
   unsigned int start_index = 0, end_index = 0;
     if (match_backtrack (c,
-			 backtrack.len, (USHORT *) backtrack.array,
+			 backtrack.len, (UINT16 *) backtrack.array,
 			 match_coverage, this,
 			 &start_index) &&
         match_lookahead (c,
-			 lookahead.len, (USHORT *) lookahead.array,
+			 lookahead.len, (UINT16 *) lookahead.array,
 			 match_coverage, this,
 			 1, &end_index))
     {
@@ -1048,7 +1048,7 @@ struct ReverseChainSingleSubstFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -1082,7 +1082,7 @@ struct ReverseChainSingleSubst
 
   protected:
   union {
-  USHORT				format;		/* Format identifier */
+  UINT16				format;		/* Format identifier */
   ReverseChainSingleSubstFormat1	format1;
   } u;
 };
@@ -1128,7 +1128,7 @@ struct SubstLookupSubTable
 
   protected:
   union {
-  USHORT			sub_format;
+  UINT16			sub_format;
   SingleSubst			single;
   MultipleSubst			multiple;
   AlternateSubst		alternate;
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index bf0cd01b7..e27e4731d 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -234,7 +234,7 @@ struct hb_apply_context_t :
 	     match_func (nullptr),
 	     match_data (nullptr) {};
 
-    typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const USHORT &value, const void *data);
+    typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const UINT16 &value, const void *data);
 
     inline void set_ignore_zwnj (bool ignore_zwnj_) { ignore_zwnj = ignore_zwnj_; }
     inline void set_ignore_zwj (bool ignore_zwj_) { ignore_zwj = ignore_zwj_; }
@@ -252,7 +252,7 @@ struct hb_apply_context_t :
     };
 
     inline may_match_t may_match (const hb_glyph_info_t &info,
-				  const USHORT          *glyph_data) const
+				  const UINT16          *glyph_data) const
     {
       if (!(info.mask & mask) ||
 	  (syllable && syllable != info.syllable ()))
@@ -315,7 +315,7 @@ struct hb_apply_context_t :
     }
     inline void set_match_func (matcher_t::match_func_t match_func_,
 				const void *match_data_,
-				const USHORT glyph_data[])
+				const UINT16 glyph_data[])
     {
       matcher.set_match_func (match_func_, match_data_);
       match_glyph_data = glyph_data;
@@ -398,7 +398,7 @@ struct hb_apply_context_t :
     protected:
     hb_apply_context_t *c;
     matcher_t matcher;
-    const USHORT *match_glyph_data;
+    const UINT16 *match_glyph_data;
 
     unsigned int num_items;
     unsigned int end;
@@ -568,9 +568,9 @@ struct hb_apply_context_t :
 
 
 
-typedef bool (*intersects_func_t) (hb_set_t *glyphs, const USHORT &value, const void *data);
-typedef void (*collect_glyphs_func_t) (hb_set_t *glyphs, const USHORT &value, const void *data);
-typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const USHORT &value, const void *data);
+typedef bool (*intersects_func_t) (hb_set_t *glyphs, const UINT16 &value, const void *data);
+typedef void (*collect_glyphs_func_t) (hb_set_t *glyphs, const UINT16 &value, const void *data);
+typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const UINT16 &value, const void *data);
 
 struct ContextClosureFuncs
 {
@@ -586,16 +586,16 @@ struct ContextApplyFuncs
 };
 
 
-static inline bool intersects_glyph (hb_set_t *glyphs, const USHORT &value, const void *data HB_UNUSED)
+static inline bool intersects_glyph (hb_set_t *glyphs, const UINT16 &value, const void *data HB_UNUSED)
 {
   return glyphs->has (value);
 }
-static inline bool intersects_class (hb_set_t *glyphs, const USHORT &value, const void *data)
+static inline bool intersects_class (hb_set_t *glyphs, const UINT16 &value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
   return class_def.intersects_class (glyphs, value);
 }
-static inline bool intersects_coverage (hb_set_t *glyphs, const USHORT &value, const void *data)
+static inline bool intersects_coverage (hb_set_t *glyphs, const UINT16 &value, const void *data)
 {
   const OffsetTo<Coverage> &coverage = (const OffsetTo<Coverage>&)value;
   return (data+coverage).intersects (glyphs);
@@ -603,7 +603,7 @@ static inline bool intersects_coverage (hb_set_t *glyphs, const USHORT &value, c
 
 static inline bool intersects_array (hb_closure_context_t *c,
 				     unsigned int count,
-				     const USHORT values[],
+				     const UINT16 values[],
 				     intersects_func_t intersects_func,
 				     const void *intersects_data)
 {
@@ -614,16 +614,16 @@ static inline bool intersects_array (hb_closure_context_t *c,
 }
 
 
-static inline void collect_glyph (hb_set_t *glyphs, const USHORT &value, const void *data HB_UNUSED)
+static inline void collect_glyph (hb_set_t *glyphs, const UINT16 &value, const void *data HB_UNUSED)
 {
   glyphs->add (value);
 }
-static inline void collect_class (hb_set_t *glyphs, const USHORT &value, const void *data)
+static inline void collect_class (hb_set_t *glyphs, const UINT16 &value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
   class_def.add_class (glyphs, value);
 }
-static inline void collect_coverage (hb_set_t *glyphs, const USHORT &value, const void *data)
+static inline void collect_coverage (hb_set_t *glyphs, const UINT16 &value, const void *data)
 {
   const OffsetTo<Coverage> &coverage = (const OffsetTo<Coverage>&)value;
   (data+coverage).add_coverage (glyphs);
@@ -631,7 +631,7 @@ static inline void collect_coverage (hb_set_t *glyphs, const USHORT &value, cons
 static inline void collect_array (hb_collect_glyphs_context_t *c HB_UNUSED,
 				  hb_set_t *glyphs,
 				  unsigned int count,
-				  const USHORT values[],
+				  const UINT16 values[],
 				  collect_glyphs_func_t collect_func,
 				  const void *collect_data)
 {
@@ -640,16 +640,16 @@ static inline void collect_array (hb_collect_glyphs_context_t *c HB_UNUSED,
 }
 
 
-static inline bool match_glyph (hb_codepoint_t glyph_id, const USHORT &value, const void *data HB_UNUSED)
+static inline bool match_glyph (hb_codepoint_t glyph_id, const UINT16 &value, const void *data HB_UNUSED)
 {
   return glyph_id == value;
 }
-static inline bool match_class (hb_codepoint_t glyph_id, const USHORT &value, const void *data)
+static inline bool match_class (hb_codepoint_t glyph_id, const UINT16 &value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
   return class_def.get_class (glyph_id) == value;
 }
-static inline bool match_coverage (hb_codepoint_t glyph_id, const USHORT &value, const void *data)
+static inline bool match_coverage (hb_codepoint_t glyph_id, const UINT16 &value, const void *data)
 {
   const OffsetTo<Coverage> &coverage = (const OffsetTo<Coverage>&)value;
   return (data+coverage).get_coverage (glyph_id) != NOT_COVERED;
@@ -657,7 +657,7 @@ static inline bool match_coverage (hb_codepoint_t glyph_id, const USHORT &value,
 
 static inline bool would_match_input (hb_would_apply_context_t *c,
 				      unsigned int count, /* Including the first glyph (not matched) */
-				      const USHORT input[], /* Array of input values--start with second glyph */
+				      const UINT16 input[], /* Array of input values--start with second glyph */
 				      match_func_t match_func,
 				      const void *match_data)
 {
@@ -672,7 +672,7 @@ static inline bool would_match_input (hb_would_apply_context_t *c,
 }
 static inline bool match_input (hb_apply_context_t *c,
 				unsigned int count, /* Including the first glyph (not matched) */
-				const USHORT input[], /* Array of input values--start with second glyph */
+				const UINT16 input[], /* Array of input values--start with second glyph */
 				match_func_t match_func,
 				const void *match_data,
 				unsigned int *end_offset,
@@ -896,7 +896,7 @@ static inline bool ligate_input (hb_apply_context_t *c,
 
 static inline bool match_backtrack (hb_apply_context_t *c,
 				    unsigned int count,
-				    const USHORT backtrack[],
+				    const UINT16 backtrack[],
 				    match_func_t match_func,
 				    const void *match_data,
 				    unsigned int *match_start)
@@ -918,7 +918,7 @@ static inline bool match_backtrack (hb_apply_context_t *c,
 
 static inline bool match_lookahead (hb_apply_context_t *c,
 				    unsigned int count,
-				    const USHORT lookahead[],
+				    const UINT16 lookahead[],
 				    match_func_t match_func,
 				    const void *match_data,
 				    unsigned int offset,
@@ -949,9 +949,9 @@ struct LookupRecord
     return_trace (c->check_struct (this));
   }
 
-  USHORT	sequenceIndex;		/* Index into current glyph
+  UINT16	sequenceIndex;		/* Index into current glyph
 					 * sequence--first glyph = 0 */
-  USHORT	lookupListIndex;	/* Lookup to apply to that
+  UINT16	lookupListIndex;	/* Lookup to apply to that
 					 * position--zero--based */
   public:
   DEFINE_SIZE_STATIC (4);
@@ -1109,7 +1109,7 @@ struct ContextApplyLookupContext
 
 static inline void context_closure_lookup (hb_closure_context_t *c,
 					   unsigned int inputCount, /* Including the first glyph (not matched) */
-					   const USHORT input[], /* Array of input values--start with second glyph */
+					   const UINT16 input[], /* Array of input values--start with second glyph */
 					   unsigned int lookupCount,
 					   const LookupRecord lookupRecord[],
 					   ContextClosureLookupContext &lookup_context)
@@ -1123,7 +1123,7 @@ static inline void context_closure_lookup (hb_closure_context_t *c,
 
 static inline void context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c,
 						  unsigned int inputCount, /* Including the first glyph (not matched) */
-						  const USHORT input[], /* Array of input values--start with second glyph */
+						  const UINT16 input[], /* Array of input values--start with second glyph */
 						  unsigned int lookupCount,
 						  const LookupRecord lookupRecord[],
 						  ContextCollectGlyphsLookupContext &lookup_context)
@@ -1137,7 +1137,7 @@ static inline void context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c
 
 static inline bool context_would_apply_lookup (hb_would_apply_context_t *c,
 					       unsigned int inputCount, /* Including the first glyph (not matched) */
-					       const USHORT input[], /* Array of input values--start with second glyph */
+					       const UINT16 input[], /* Array of input values--start with second glyph */
 					       unsigned int lookupCount HB_UNUSED,
 					       const LookupRecord lookupRecord[] HB_UNUSED,
 					       ContextApplyLookupContext &lookup_context)
@@ -1148,7 +1148,7 @@ static inline bool context_would_apply_lookup (hb_would_apply_context_t *c,
 }
 static inline bool context_apply_lookup (hb_apply_context_t *c,
 					 unsigned int inputCount, /* Including the first glyph (not matched) */
-					 const USHORT input[], /* Array of input values--start with second glyph */
+					 const UINT16 input[], /* Array of input values--start with second glyph */
 					 unsigned int lookupCount,
 					 const LookupRecord lookupRecord[],
 					 ContextApplyLookupContext &lookup_context)
@@ -1214,11 +1214,11 @@ struct Rule
   }
 
   protected:
-  USHORT	inputCount;		/* Total number of glyphs in input
+  UINT16	inputCount;		/* Total number of glyphs in input
 					 * glyph sequence--includes the first
 					 * glyph */
-  USHORT	lookupCount;		/* Number of LookupRecords */
-  USHORT	inputZ[VAR];		/* Array of match inputs--start with
+  UINT16	lookupCount;		/* Number of LookupRecords */
+  UINT16	inputZ[VAR];		/* Array of match inputs--start with
 					 * second glyph */
   LookupRecord	lookupRecordX[VAR];	/* Array of LookupRecords--in
 					 * design order */
@@ -1358,7 +1358,7 @@ struct ContextFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -1451,7 +1451,7 @@ struct ContextFormat2
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 2 */
+  UINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -1480,7 +1480,7 @@ struct ContextFormat3
       this
     };
     context_closure_lookup (c,
-			    glyphCount, (const USHORT *) (coverageZ + 1),
+			    glyphCount, (const UINT16 *) (coverageZ + 1),
 			    lookupCount, lookupRecord,
 			    lookup_context);
   }
@@ -1497,7 +1497,7 @@ struct ContextFormat3
     };
 
     context_collect_glyphs_lookup (c,
-				   glyphCount, (const USHORT *) (coverageZ + 1),
+				   glyphCount, (const UINT16 *) (coverageZ + 1),
 				   lookupCount, lookupRecord,
 				   lookup_context);
   }
@@ -1511,7 +1511,7 @@ struct ContextFormat3
       {match_coverage},
       this
     };
-    return_trace (context_would_apply_lookup (c, glyphCount, (const USHORT *) (coverageZ + 1), lookupCount, lookupRecord, lookup_context));
+    return_trace (context_would_apply_lookup (c, glyphCount, (const UINT16 *) (coverageZ + 1), lookupCount, lookupRecord, lookup_context));
   }
 
   inline const Coverage &get_coverage (void) const
@@ -1530,7 +1530,7 @@ struct ContextFormat3
       {match_coverage},
       this
     };
-    return_trace (context_apply_lookup (c, glyphCount, (const USHORT *) (coverageZ + 1), lookupCount, lookupRecord, lookup_context));
+    return_trace (context_apply_lookup (c, glyphCount, (const UINT16 *) (coverageZ + 1), lookupCount, lookupRecord, lookup_context));
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -1547,10 +1547,10 @@ struct ContextFormat3
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 3 */
-  USHORT	glyphCount;		/* Number of glyphs in the input glyph
+  UINT16	format;			/* Format identifier--format = 3 */
+  UINT16	glyphCount;		/* Number of glyphs in the input glyph
 					 * sequence */
-  USHORT	lookupCount;		/* Number of LookupRecords */
+  UINT16	lookupCount;		/* Number of LookupRecords */
   OffsetTo<Coverage>
 		coverageZ[VAR];		/* Array of offsets to Coverage
 					 * table in glyph sequence order */
@@ -1577,7 +1577,7 @@ struct Context
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   ContextFormat1	format1;
   ContextFormat2	format2;
   ContextFormat3	format3;
@@ -1607,11 +1607,11 @@ struct ChainContextApplyLookupContext
 
 static inline void chain_context_closure_lookup (hb_closure_context_t *c,
 						 unsigned int backtrackCount,
-						 const USHORT backtrack[],
+						 const UINT16 backtrack[],
 						 unsigned int inputCount, /* Including the first glyph (not matched) */
-						 const USHORT input[], /* Array of input values--start with second glyph */
+						 const UINT16 input[], /* Array of input values--start with second glyph */
 						 unsigned int lookaheadCount,
-						 const USHORT lookahead[],
+						 const UINT16 lookahead[],
 						 unsigned int lookupCount,
 						 const LookupRecord lookupRecord[],
 						 ChainContextClosureLookupContext &lookup_context)
@@ -1631,11 +1631,11 @@ static inline void chain_context_closure_lookup (hb_closure_context_t *c,
 
 static inline void chain_context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c,
 						        unsigned int backtrackCount,
-						        const USHORT backtrack[],
+						        const UINT16 backtrack[],
 						        unsigned int inputCount, /* Including the first glyph (not matched) */
-						        const USHORT input[], /* Array of input values--start with second glyph */
+						        const UINT16 input[], /* Array of input values--start with second glyph */
 						        unsigned int lookaheadCount,
-						        const USHORT lookahead[],
+						        const UINT16 lookahead[],
 						        unsigned int lookupCount,
 						        const LookupRecord lookupRecord[],
 						        ChainContextCollectGlyphsLookupContext &lookup_context)
@@ -1655,11 +1655,11 @@ static inline void chain_context_collect_glyphs_lookup (hb_collect_glyphs_contex
 
 static inline bool chain_context_would_apply_lookup (hb_would_apply_context_t *c,
 						     unsigned int backtrackCount,
-						     const USHORT backtrack[] HB_UNUSED,
+						     const UINT16 backtrack[] HB_UNUSED,
 						     unsigned int inputCount, /* Including the first glyph (not matched) */
-						     const USHORT input[], /* Array of input values--start with second glyph */
+						     const UINT16 input[], /* Array of input values--start with second glyph */
 						     unsigned int lookaheadCount,
-						     const USHORT lookahead[] HB_UNUSED,
+						     const UINT16 lookahead[] HB_UNUSED,
 						     unsigned int lookupCount HB_UNUSED,
 						     const LookupRecord lookupRecord[] HB_UNUSED,
 						     ChainContextApplyLookupContext &lookup_context)
@@ -1672,11 +1672,11 @@ static inline bool chain_context_would_apply_lookup (hb_would_apply_context_t *c
 
 static inline bool chain_context_apply_lookup (hb_apply_context_t *c,
 					       unsigned int backtrackCount,
-					       const USHORT backtrack[],
+					       const UINT16 backtrack[],
 					       unsigned int inputCount, /* Including the first glyph (not matched) */
-					       const USHORT input[], /* Array of input values--start with second glyph */
+					       const UINT16 input[], /* Array of input values--start with second glyph */
 					       unsigned int lookaheadCount,
-					       const USHORT lookahead[],
+					       const UINT16 lookahead[],
 					       unsigned int lookupCount,
 					       const LookupRecord lookupRecord[],
 					       ChainContextApplyLookupContext &lookup_context)
@@ -1707,8 +1707,8 @@ struct ChainRule
   inline void closure (hb_closure_context_t *c, ChainContextClosureLookupContext &lookup_context) const
   {
     TRACE_CLOSURE (this);
-    const HeadlessArrayOf<USHORT> &input = StructAfter<HeadlessArrayOf<USHORT> > (backtrack);
-    const ArrayOf<USHORT> &lookahead = StructAfter<ArrayOf<USHORT> > (input);
+    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
+    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     chain_context_closure_lookup (c,
 				  backtrack.len, backtrack.array,
@@ -1721,8 +1721,8 @@ struct ChainRule
   inline void collect_glyphs (hb_collect_glyphs_context_t *c, ChainContextCollectGlyphsLookupContext &lookup_context) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    const HeadlessArrayOf<USHORT> &input = StructAfter<HeadlessArrayOf<USHORT> > (backtrack);
-    const ArrayOf<USHORT> &lookahead = StructAfter<ArrayOf<USHORT> > (input);
+    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
+    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     chain_context_collect_glyphs_lookup (c,
 					 backtrack.len, backtrack.array,
@@ -1735,8 +1735,8 @@ struct ChainRule
   inline bool would_apply (hb_would_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
   {
     TRACE_WOULD_APPLY (this);
-    const HeadlessArrayOf<USHORT> &input = StructAfter<HeadlessArrayOf<USHORT> > (backtrack);
-    const ArrayOf<USHORT> &lookahead = StructAfter<ArrayOf<USHORT> > (input);
+    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
+    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     return_trace (chain_context_would_apply_lookup (c,
 						    backtrack.len, backtrack.array,
@@ -1748,8 +1748,8 @@ struct ChainRule
   inline bool apply (hb_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
-    const HeadlessArrayOf<USHORT> &input = StructAfter<HeadlessArrayOf<USHORT> > (backtrack);
-    const ArrayOf<USHORT> &lookahead = StructAfter<ArrayOf<USHORT> > (input);
+    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
+    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     return_trace (chain_context_apply_lookup (c,
 					      backtrack.len, backtrack.array,
@@ -1762,23 +1762,23 @@ struct ChainRule
   {
     TRACE_SANITIZE (this);
     if (!backtrack.sanitize (c)) return_trace (false);
-    const HeadlessArrayOf<USHORT> &input = StructAfter<HeadlessArrayOf<USHORT> > (backtrack);
+    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
     if (!input.sanitize (c)) return_trace (false);
-    const ArrayOf<USHORT> &lookahead = StructAfter<ArrayOf<USHORT> > (input);
+    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
     if (!lookahead.sanitize (c)) return_trace (false);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     return_trace (lookup.sanitize (c));
   }
 
   protected:
-  ArrayOf<USHORT>
+  ArrayOf<UINT16>
 		backtrack;		/* Array of backtracking values
 					 * (to be matched before the input
 					 * sequence) */
-  HeadlessArrayOf<USHORT>
+  HeadlessArrayOf<UINT16>
 		inputX;			/* Array of input values (start with
 					 * second glyph) */
-  ArrayOf<USHORT>
+  ArrayOf<UINT16>
 		lookaheadX;		/* Array of lookahead values's (to be
 					 * matched after the input sequence) */
   ArrayOf<LookupRecord>
@@ -1915,7 +1915,7 @@ struct ChainContextFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 1 */
+  UINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -2030,7 +2030,7 @@ struct ChainContextFormat2
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 2 */
+  UINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -2070,9 +2070,9 @@ struct ChainContextFormat3
       {this, this, this}
     };
     chain_context_closure_lookup (c,
-				  backtrack.len, (const USHORT *) backtrack.array,
-				  input.len, (const USHORT *) input.array + 1,
-				  lookahead.len, (const USHORT *) lookahead.array,
+				  backtrack.len, (const UINT16 *) backtrack.array,
+				  input.len, (const UINT16 *) input.array + 1,
+				  lookahead.len, (const UINT16 *) lookahead.array,
 				  lookup.len, lookup.array,
 				  lookup_context);
   }
@@ -2091,9 +2091,9 @@ struct ChainContextFormat3
       {this, this, this}
     };
     chain_context_collect_glyphs_lookup (c,
-					 backtrack.len, (const USHORT *) backtrack.array,
-					 input.len, (const USHORT *) input.array + 1,
-					 lookahead.len, (const USHORT *) lookahead.array,
+					 backtrack.len, (const UINT16 *) backtrack.array,
+					 input.len, (const UINT16 *) input.array + 1,
+					 lookahead.len, (const UINT16 *) lookahead.array,
 					 lookup.len, lookup.array,
 					 lookup_context);
   }
@@ -2110,9 +2110,9 @@ struct ChainContextFormat3
       {this, this, this}
     };
     return_trace (chain_context_would_apply_lookup (c,
-						    backtrack.len, (const USHORT *) backtrack.array,
-						    input.len, (const USHORT *) input.array + 1,
-						    lookahead.len, (const USHORT *) lookahead.array,
+						    backtrack.len, (const UINT16 *) backtrack.array,
+						    input.len, (const UINT16 *) input.array + 1,
+						    lookahead.len, (const UINT16 *) lookahead.array,
 						    lookup.len, lookup.array, lookup_context));
   }
 
@@ -2137,9 +2137,9 @@ struct ChainContextFormat3
       {this, this, this}
     };
     return_trace (chain_context_apply_lookup (c,
-					      backtrack.len, (const USHORT *) backtrack.array,
-					      input.len, (const USHORT *) input.array + 1,
-					      lookahead.len, (const USHORT *) lookahead.array,
+					      backtrack.len, (const UINT16 *) backtrack.array,
+					      input.len, (const UINT16 *) input.array + 1,
+					      lookahead.len, (const UINT16 *) lookahead.array,
 					      lookup.len, lookup.array, lookup_context));
   }
 
@@ -2157,7 +2157,7 @@ struct ChainContextFormat3
   }
 
   protected:
-  USHORT	format;			/* Format identifier--format = 3 */
+  UINT16	format;			/* Format identifier--format = 3 */
   OffsetArrayOf<Coverage>
 		backtrack;		/* Array of coverage tables
 					 * in backtracking sequence, in  glyph
@@ -2194,7 +2194,7 @@ struct ChainContext
 
   protected:
   union {
-  USHORT		format;	/* Format identifier */
+  UINT16		format;	/* Format identifier */
   ChainContextFormat1	format1;
   ChainContextFormat2	format2;
   ChainContextFormat3	format3;
@@ -2231,11 +2231,11 @@ struct ExtensionFormat1
   }
 
   protected:
-  USHORT	format;			/* Format identifier. Set to 1. */
-  USHORT	extensionLookupType;	/* Lookup type of subtable referenced
+  UINT16	format;			/* Format identifier. Set to 1. */
+  UINT16	extensionLookupType;	/* Lookup type of subtable referenced
 					 * by ExtensionOffset (i.e. the
 					 * extension subtable). */
-  ULONG		extensionOffset;	/* Offset to the extension subtable,
+  UINT32		extensionOffset;	/* Offset to the extension subtable,
 					 * of lookup type subtable. */
   public:
   DEFINE_SIZE_STATIC (8);
@@ -2273,7 +2273,7 @@ struct Extension
 
   protected:
   union {
-  USHORT		format;		/* Format identifier */
+  UINT16		format;		/* Format identifier */
   ExtensionFormat1<T>	format1;
   } u;
 };
diff --git a/src/hb-ot-math-table.hh b/src/hb-ot-math-table.hh
index b3c8571bc..7dc3283a2 100644
--- a/src/hb-ot-math-table.hh
+++ b/src/hb-ot-math-table.hh
@@ -48,7 +48,7 @@ struct MathValueRecord
   }
 
   protected:
-  SHORT			value;		/* The X or Y value in design units */
+  INT16			value;		/* The X or Y value in design units */
   OffsetTo<Device>	deviceTable;	/* Offset to the device table - from the
 					 * beginning of parent table. May be nullptr.
 					 * Suggested format for device table is 1. */
@@ -154,10 +154,10 @@ struct MathConstants
   }
 
   protected:
-  SHORT percentScaleDown[2];
-  USHORT minHeight[2];
+  INT16 percentScaleDown[2];
+  UINT16 minHeight[2];
   MathValueRecord mathValueRecords[51];
-  SHORT radicalDegreeBottomRaisePercent;
+  INT16 radicalDegreeBottomRaisePercent;
 
   public:
   DEFINE_SIZE_STATIC (214);
@@ -279,7 +279,7 @@ struct MathKern
   }
 
   protected:
-  USHORT	  heightCount;
+  UINT16	  heightCount;
   MathValueRecord mathValueRecords[VAR]; /* Array of correction heights at
 					  * which the kern value changes.
 					  * Sorted by the height value in
@@ -425,7 +425,7 @@ struct MathGlyphVariantRecord
 
   protected:
   GlyphID variantGlyph;       /* Glyph ID for the variant. */
-  USHORT  advanceMeasurement; /* Advance width/height, in design units, of the
+  UINT16  advanceMeasurement; /* Advance width/height, in design units, of the
 			       * variant, in the direction of requested
 			       * glyph extension. */
 
@@ -433,7 +433,7 @@ struct MathGlyphVariantRecord
   DEFINE_SIZE_STATIC (4);
 };
 
-struct PartFlags : USHORT
+struct PartFlags : UINT16
 {
   enum Flags {
     Extender	= 0x0001u, /* If set, the part can be skipped or repeated. */
@@ -473,15 +473,15 @@ struct MathGlyphPartRecord
 
   protected:
   GlyphID   glyph;		  /* Glyph ID for the part. */
-  USHORT    startConnectorLength; /* Advance width/ height of the straight bar
+  UINT16    startConnectorLength; /* Advance width/ height of the straight bar
 				   * connector material, in design units, is at
 				   * the beginning of the glyph, in the
 				   * direction of the extension. */
-  USHORT    endConnectorLength;   /* Advance width/ height of the straight bar
+  UINT16    endConnectorLength;   /* Advance width/ height of the straight bar
 				   * connector material, in design units, is at
 				   * the end of the glyph, in the direction of
 				   * the extension. */
-  USHORT    fullAdvance;	  /* Full advance width/height for this part,
+  UINT16    fullAdvance;	  /* Full advance width/height for this part,
 				   * in the direction of the extension.
 				   * In design units. */
   PartFlags partFlags;		  /* Part qualifiers. */
@@ -651,7 +651,7 @@ struct MathVariants
   }
 
   protected:
-  USHORT	     minConnectorOverlap; /* Minimum overlap of connecting
+  UINT16	     minConnectorOverlap; /* Minimum overlap of connecting
 					   * glyphs during glyph construction,
 					   * in design units. */
   OffsetTo<Coverage> vertGlyphCoverage;   /* Offset to Coverage table -
@@ -660,10 +660,10 @@ struct MathVariants
   OffsetTo<Coverage> horizGlyphCoverage;  /* Offset to Coverage table -
 					   * from the beginning of MathVariants
 					   * table. */
-  USHORT	     vertGlyphCount;      /* Number of glyphs for which
+  UINT16	     vertGlyphCount;      /* Number of glyphs for which
 					   * information is provided for
 					   * vertically growing variants. */
-  USHORT	     horizGlyphCount;     /* Number of glyphs for which
+  UINT16	     horizGlyphCount;     /* Number of glyphs for which
 					   * information is provided for
 					   * horizontally growing variants. */
 
diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index 943e3908c..f6d283eb1 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -60,7 +60,7 @@ struct maxp
   protected:
   FixedVersion<>version;		/* Version of the maxp table (0.5 or 1.0),
 					 * 0x00005000u or 0x00010000u. */
-  USHORT	numGlyphs;		/* The number of glyphs in the font. */
+  UINT16	numGlyphs;		/* The number of glyphs in the font. */
   public:
   DEFINE_SIZE_STATIC (6);
 };
diff --git a/src/hb-ot-name-table.hh b/src/hb-ot-name-table.hh
index 8e688a6bf..e90e46c14 100644
--- a/src/hb-ot-name-table.hh
+++ b/src/hb-ot-name-table.hh
@@ -65,12 +65,12 @@ struct NameRecord
     return_trace (c->check_struct (this) && c->check_range ((char *) base, (unsigned int) length + offset));
   }
 
-  USHORT	platformID;	/* Platform ID. */
-  USHORT	encodingID;	/* Platform-specific encoding ID. */
-  USHORT	languageID;	/* Language ID. */
-  USHORT	nameID;		/* Name ID. */
-  USHORT	length;		/* String length (in bytes). */
-  USHORT	offset;		/* String offset from start of storage area (in bytes). */
+  UINT16	platformID;	/* Platform ID. */
+  UINT16	encodingID;	/* Platform-specific encoding ID. */
+  UINT16	languageID;	/* Language ID. */
+  UINT16	nameID;		/* Name ID. */
+  UINT16	length;		/* String length (in bytes). */
+  UINT16	offset;		/* String offset from start of storage area (in bytes). */
   public:
   DEFINE_SIZE_STATIC (12);
 };
@@ -123,8 +123,8 @@ struct name
   }
 
   /* We only implement format 0 for now. */
-  USHORT	format;			/* Format selector (=0/1). */
-  USHORT	count;			/* Number of name records. */
+  UINT16	format;			/* Format selector (=0/1). */
+  UINT16	count;			/* Number of name records. */
   Offset<>	stringOffset;		/* Offset to start of string storage (from start of table). */
   NameRecord	nameRecord[VAR];	/* The name records where count is the number of records. */
   public:
diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 4709cd6e8..aa78f1e0a 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -50,50 +50,50 @@ struct os2
   }
 
   public:
-  USHORT	version;
+  UINT16	version;
 
   /* Version 0 */
-  SHORT		xAvgCharWidth;
-  USHORT	usWeightClass;
-  USHORT	usWidthClass;
-  USHORT	fsType;
-  SHORT		ySubscriptXSize;
-  SHORT		ySubscriptYSize;
-  SHORT		ySubscriptXOffset;
-  SHORT		ySubscriptYOffset;
-  SHORT		ySuperscriptXSize;
-  SHORT		ySuperscriptYSize;
-  SHORT		ySuperscriptXOffset;
-  SHORT		ySuperscriptYOffset;
-  SHORT		yStrikeoutSize;
-  SHORT		yStrikeoutPosition;
-  SHORT		sFamilyClass;
-  BYTE		panose[10];
-  ULONG		ulUnicodeRange[4];
+  INT16		xAvgCharWidth;
+  UINT16	usWeightClass;
+  UINT16	usWidthClass;
+  UINT16	fsType;
+  INT16		ySubscriptXSize;
+  INT16		ySubscriptYSize;
+  INT16		ySubscriptXOffset;
+  INT16		ySubscriptYOffset;
+  INT16		ySuperscriptXSize;
+  INT16		ySuperscriptYSize;
+  INT16		ySuperscriptXOffset;
+  INT16		ySuperscriptYOffset;
+  INT16		yStrikeoutSize;
+  INT16		yStrikeoutPosition;
+  INT16		sFamilyClass;
+  UINT8		panose[10];
+  UINT32		ulUnicodeRange[4];
   Tag		achVendID;
-  USHORT	fsSelection;
-  USHORT	usFirstCharIndex;
-  USHORT	usLastCharIndex;
-  SHORT		sTypoAscender;
-  SHORT		sTypoDescender;
-  SHORT		sTypoLineGap;
-  USHORT	usWinAscent;
-  USHORT	usWinDescent;
+  UINT16	fsSelection;
+  UINT16	usFirstCharIndex;
+  UINT16	usLastCharIndex;
+  INT16		sTypoAscender;
+  INT16		sTypoDescender;
+  INT16		sTypoLineGap;
+  UINT16	usWinAscent;
+  UINT16	usWinDescent;
 
   /* Version 1 */
-  //ULONG ulCodePageRange1;
-  //ULONG ulCodePageRange2;
+  //UINT32 ulCodePageRange1;
+  //UINT32 ulCodePageRange2;
 
   /* Version 2 */
-  //SHORT sxHeight;
-  //SHORT sCapHeight;
-  //USHORT  usDefaultChar;
-  //USHORT  usBreakChar;
-  //USHORT  usMaxContext;
+  //INT16 sxHeight;
+  //INT16 sCapHeight;
+  //UINT16  usDefaultChar;
+  //UINT16  usBreakChar;
+  //UINT16  usMaxContext;
 
   /* Version 5 */
-  //USHORT  usLowerOpticalPointSize;
-  //USHORT  usUpperOpticalPointSize;
+  //UINT16  usLowerOpticalPointSize;
+  //UINT16  usUpperOpticalPointSize;
 
   public:
   DEFINE_SIZE_STATIC (78);
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index e3952a412..7f1c2c420 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -56,10 +56,10 @@ struct postV2Tail
     return_trace (glyphNameIndex.sanitize (c));
   }
 
-  ArrayOf<USHORT>glyphNameIndex;	/* This is not an offset, but is the
+  ArrayOf<UINT16>glyphNameIndex;	/* This is not an offset, but is the
 					 * ordinal number of the glyph in 'post'
 					 * string tables. */
-  BYTE		namesX[VAR];		/* Glyph names with length bytes [variable]
+  UINT8		namesX[VAR];		/* Glyph names with length bytes [variable]
 					 * (a Pascal string). */
 
   DEFINE_SIZE_ARRAY2 (2, glyphNameIndex, namesX);
@@ -234,7 +234,7 @@ struct post
     private:
     hb_blob_t *blob;
     uint32_t version;
-    const ArrayOf<USHORT> *glyphNameIndex;
+    const ArrayOf<UINT16> *glyphNameIndex;
     hb_prealloced_array_t<uint32_t, 1> index_to_offset;
     const uint8_t *pool;
     mutable uint16_t *gids_sorted_by_name;
@@ -261,16 +261,16 @@ struct post
 					 * from the value of this field. */
   FWORD		underlineThickness;	/* Suggested values for the underline
 					   thickness. */
-  ULONG		isFixedPitch;		/* Set to 0 if the font is proportionally
+  UINT32		isFixedPitch;		/* Set to 0 if the font is proportionally
 					 * spaced, non-zero if the font is not
 					 * proportionally spaced (i.e. monospaced). */
-  ULONG		minMemType42;		/* Minimum memory usage when an OpenType font
+  UINT32		minMemType42;		/* Minimum memory usage when an OpenType font
 					 * is downloaded. */
-  ULONG		maxMemType42;		/* Maximum memory usage when an OpenType font
+  UINT32		maxMemType42;		/* Maximum memory usage when an OpenType font
 					 * is downloaded. */
-  ULONG		minMemType1;		/* Minimum memory usage when an OpenType font
+  UINT32		minMemType1;		/* Minimum memory usage when an OpenType font
 					 * is downloaded as a Type 1 font. */
-  ULONG		maxMemType1;		/* Maximum memory usage when an OpenType font
+  UINT32		maxMemType1;		/* Maximum memory usage when an OpenType font
 					 * is downloaded as a Type 1 font. */
 /*postV2Tail	v2[VAR];*/
   DEFINE_SIZE_STATIC (32);
diff --git a/src/hb-ot-shape-complex-arabic-win1256.hh b/src/hb-ot-shape-complex-arabic-win1256.hh
index e70c48f42..54c6cdc24 100644
--- a/src/hb-ot-shape-complex-arabic-win1256.hh
+++ b/src/hb-ot-shape-complex-arabic-win1256.hh
@@ -43,16 +43,16 @@
 #define OT_TABLE_END			}
 #define OT_LABEL_START(Name)		unsigned char Name[
 #define OT_LABEL_END			];
-#define OT_BYTE(u8)			+1/*byte*/
-#define OT_USHORT(u16)			+2/*bytes*/
+#define OT_UINT8(u8)			+1/*byte*/
+#define OT_UINT16(u16)			+2/*bytes*/
 #else
 #undef  OT_MEASURE
 #define OT_TABLE_START			TABLE_NAME = {
 #define OT_TABLE_END			};
 #define OT_LABEL_START(Name)		{
 #define OT_LABEL_END			},
-#define OT_BYTE(u8)			(u8),
-#define OT_USHORT(u16)			(unsigned char)((u16)>>8), (unsigned char)((u16)&0xFFu),
+#define OT_UINT8(u8)			(u8),
+#define OT_UINT16(u16)			(unsigned char)((u16)>>8), (unsigned char)((u16)&0xFFu),
 #define OT_COUNT(Name, ItemSize)	((unsigned int) sizeof(((struct TABLE_NAME*)0)->Name) \
 					 / (unsigned int)(ItemSize) \
 					 /* OT_ASSERT it's divisible (and positive). */)
@@ -80,24 +80,24 @@
  */
 
 #define OT_TAG(a,b,c,d) \
-	OT_BYTE(a) OT_BYTE(b) OT_BYTE(c) OT_BYTE(d)
+	OT_UINT8(a) OT_UINT8(b) OT_UINT8(c) OT_UINT8(d)
 
 #define OT_OFFSET(From, To) /* Offset from From to To in bytes */ \
-	OT_USHORT(OT_DISTANCE(From, To))
+	OT_UINT16(OT_DISTANCE(From, To))
 
 #define OT_GLYPHID /* GlyphID */ \
-	OT_USHORT
+	OT_UINT16
 
 #define OT_UARRAY(Name, Items) \
 	OT_LABEL_START(Name) \
-	OT_USHORT(OT_COUNT(Name##Data, 2)) \
+	OT_UINT16(OT_COUNT(Name##Data, 2)) \
 	OT_LABEL(Name##Data) \
 	Items \
 	OT_LABEL_END
 
 #define OT_UHEADLESSARRAY(Name, Items) \
 	OT_LABEL_START(Name) \
-	OT_USHORT(OT_COUNT(Name##Data, 2) + 1) \
+	OT_UINT16(OT_COUNT(Name##Data, 2) + 1) \
 	OT_LABEL(Name##Data) \
 	Items \
 	OT_LABEL_END
@@ -111,19 +111,19 @@
 
 #define OT_LOOKUP(Name, LookupType, LookupFlag, SubLookupOffsets) \
 	OT_LABEL_START(Name) \
-	OT_USHORT(LookupType) \
-	OT_USHORT(LookupFlag) \
+	OT_UINT16(LookupType) \
+	OT_UINT16(LookupFlag) \
 	OT_LABEL_END \
 	OT_UARRAY(Name##SubLookupOffsetsArray, OT_LIST(SubLookupOffsets))
 
 #define OT_SUBLOOKUP(Name, SubFormat, Items) \
 	OT_LABEL_START(Name) \
-	OT_USHORT(SubFormat) \
+	OT_UINT16(SubFormat) \
 	Items
 
 #define OT_COVERAGE1(Name, Items) \
 	OT_LABEL_START(Name) \
-	OT_USHORT(1) \
+	OT_UINT16(1) \
 	OT_LABEL_END \
 	OT_UARRAY(Name##Glyphs, OT_LIST(Items))
 
@@ -174,7 +174,7 @@
 /* Table manifest. */
 #define MANIFEST(Items) \
 	OT_LABEL_START(manifest) \
-	OT_USHORT(OT_COUNT(manifestData, 6)) \
+	OT_UINT16(OT_COUNT(manifestData, 6)) \
 	OT_LABEL(manifestData) \
 	Items \
 	OT_LABEL_END
@@ -304,8 +304,8 @@ OT_TABLE_END
 #undef OT_TABLE_END
 #undef OT_LABEL_START
 #undef OT_LABEL_END
-#undef OT_BYTE
-#undef OT_USHORT
+#undef OT_UINT8
+#undef OT_UINT16
 #undef OT_DISTANCE
 #undef OT_COUNT
 
diff --git a/src/hb-ot-var-avar-table.hh b/src/hb-ot-var-avar-table.hh
index 464cf35bb..4b88a4030 100644
--- a/src/hb-ot-var-avar-table.hh
+++ b/src/hb-ot-var-avar-table.hh
@@ -133,8 +133,8 @@ struct avar
   protected:
   FixedVersion<>version;	/* Version of the avar table
 				 * initially set to 0x00010000u */
-  USHORT	reserved;	/* This field is permanently reserved. Set to 0. */
-  USHORT	axisCount;	/* The number of variation axes in the font. This
+  UINT16	reserved;	/* This field is permanently reserved. Set to 0. */
+  UINT16	axisCount;	/* The number of variation axes in the font. This
 				 * must be the same number as axisCount in the
 				 * 'fvar' table. */
   SegmentMaps	axisSegmentMapsZ;
diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
index 9f6fb3250..ab7d35b43 100644
--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@@ -42,11 +42,11 @@ struct InstanceRecord
   }
 
   protected:
-  USHORT	subfamilyNameID;/* The name ID for entries in the 'name' table
+  UINT16	subfamilyNameID;/* The name ID for entries in the 'name' table
 				 * that provide subfamily names for this instance. */
-  USHORT	reserved;	/* Reserved for future use — set to 0. */
+  UINT16	reserved;	/* Reserved for future use — set to 0. */
   Fixed		coordinates[VAR];/* The coordinates array for this instance. */
-  //USHORT	postScriptNameIDX;/*Optional. The name ID for entries in the 'name'
+  //UINT16	postScriptNameIDX;/*Optional. The name ID for entries in the 'name'
   //				  * table that provide PostScript names for this
   //				  * instance. */
 
@@ -67,8 +67,8 @@ struct AxisRecord
   Fixed		minValue;	/* The minimum coordinate value for the axis. */
   Fixed		defaultValue;	/* The default coordinate value for the axis. */
   Fixed		maxValue;	/* The maximum coordinate value for the axis. */
-  USHORT	reserved;	/* Reserved for future use — set to 0. */
-  USHORT	axisNameID;	/* The name ID for entries in the 'name' table that
+  UINT16	reserved;	/* Reserved for future use — set to 0. */
+  UINT16	axisNameID;	/* The name ID for entries in the 'name' table that
 				 * provide a display name for this axis. */
 
   public:
@@ -188,14 +188,14 @@ struct fvar
 				 * initially set to 0x00010000u */
   Offset<>	things;		/* Offset in bytes from the beginning of the table
 				 * to the start of the AxisRecord array. */
-  USHORT	reserved;	/* This field is permanently reserved. Set to 2. */
-  USHORT	axisCount;	/* The number of variation axes in the font (the
+  UINT16	reserved;	/* This field is permanently reserved. Set to 2. */
+  UINT16	axisCount;	/* The number of variation axes in the font (the
 				 * number of records in the axes array). */
-  USHORT	axisSize;	/* The size in bytes of each VariationAxisRecord —
+  UINT16	axisSize;	/* The size in bytes of each VariationAxisRecord —
 				 * set to 20 (0x0014) for this version. */
-  USHORT	instanceCount;	/* The number of named instances defined in the font
+  UINT16	instanceCount;	/* The number of named instances defined in the font
 				 * (the number of records in the instances array). */
-  USHORT	instanceSize;	/* The size in bytes of each InstanceRecord — set
+  UINT16	instanceSize;	/* The size in bytes of each InstanceRecord — set
 				 * to either axisCount * sizeof(Fixed) + 4, or to
 				 * axisCount * sizeof(Fixed) + 6. */
 
diff --git a/src/hb-ot-var-hvar-table.hh b/src/hb-ot-var-hvar-table.hh
index f9d801e3b..fac843a71 100644
--- a/src/hb-ot-var-hvar-table.hh
+++ b/src/hb-ot-var-hvar-table.hh
@@ -55,7 +55,7 @@ struct DeltaSetIndexMap
     unsigned int u = 0;
     { /* Fetch it. */
       unsigned int w = get_width ();
-      const BYTE *p = mapData + w * v;
+      const UINT8 *p = mapData + w * v;
       for (; w; w--)
 	u = (u << 8) + *p++;
     }
@@ -78,10 +78,10 @@ struct DeltaSetIndexMap
   { return (format & 0xF) + 1; }
 
   protected:
-  USHORT	format;		/* A packed field that describes the compressed
+  UINT16	format;		/* A packed field that describes the compressed
 				 * representation of delta-set indices. */
-  USHORT	mapCount;	/* The number of mapping entries. */
-  BYTE		mapData[VAR];	/* The delta-set index mapping data. */
+  UINT16	mapCount;	/* The number of mapping entries. */
+  UINT8		mapData[VAR];	/* The delta-set index mapping data. */
 
   public:
   DEFINE_SIZE_ARRAY (4, mapData);
diff --git a/src/hb-ot-var-mvar-table.hh b/src/hb-ot-var-mvar-table.hh
index 96bc77f3a..e17ff5160 100644
--- a/src/hb-ot-var-mvar-table.hh
+++ b/src/hb-ot-var-mvar-table.hh
@@ -43,7 +43,7 @@ struct VariationValueRecord
 
   public:
   Tag		valueTag;	/* Four-byte tag identifying a font-wide measure. */
-  ULONG		varIdx;		/* Outer/inner index into VariationStore item. */
+  UINT32		varIdx;		/* Outer/inner index into VariationStore item. */
 
   public:
   DEFINE_SIZE_STATIC (8);
@@ -95,13 +95,13 @@ protected:
   protected:
   FixedVersion<>version;	/* Version of the metrics variation table
 				 * initially set to 0x00010000u */
-  USHORT	reserved;	/* Not used; set to 0. */
-  USHORT	valueRecordSize;/* The size in bytes of each value record —
+  UINT16	reserved;	/* Not used; set to 0. */
+  UINT16	valueRecordSize;/* The size in bytes of each value record —
 				 * must be greater than zero. */
-  USHORT	valueRecordCount;/* The number of value records — may be zero. */
+  UINT16	valueRecordCount;/* The number of value records — may be zero. */
   OffsetTo<VariationStore>
 		varStore;	/* Offset to item variation store table. */
-  BYTE		values[VAR];	/* Array of value records. The records must be
+  UINT8		values[VAR];	/* Array of value records. The records must be
 				 * in binary order of their valueTag field. */
 
   public:

From c6173a392cfaa3d339c768836e8cddf3ae4adc53 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 21:09:03 -0800
Subject: [PATCH 0644/1326] Add Offset16 and Offset32

---
 src/hb-open-type-private.hh        | 5 ++++-
 src/hb-ot-layout-common-private.hh | 4 ++--
 src/hb-ot-name-table.hh            | 2 +-
 src/hb-ot-var-fvar-table.hh        | 2 +-
 4 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 6ad3c0fde..2f4e1b9e9 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -705,7 +705,7 @@ struct Index : UINT16 {
 DEFINE_NULL_DATA (Index, "\xff\xff");
 
 /* Offset, Null offset = 0 */
-template <typename Type=UINT16>
+template <typename Type>
 struct Offset : Type
 {
   inline bool is_null (void) const { return 0 == *this; }
@@ -713,6 +713,9 @@ struct Offset : Type
   DEFINE_SIZE_STATIC (sizeof(Type));
 };
 
+typedef Offset<UINT16> Offset16;
+typedef Offset<UINT32> Offset32;
+
 
 /* CheckSum */
 struct CheckSum : UINT32
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index dfbcf1efa..86a74ccb6 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -216,7 +216,7 @@ struct LangSys
     return_trace (c->check_struct (this) && featureIndex.sanitize (c));
   }
 
-  Offset<>	lookupOrderZ;	/* = Null (reserved for an offset to a
+  Offset16	lookupOrderZ;	/* = Null (reserved for an offset to a
 				 * reordering table) */
   UINT16	reqFeatureIndex;/* Index of a feature required for this
 				 * language system--if no required features
@@ -662,7 +662,7 @@ struct Lookup
   private:
   UINT16	lookupType;		/* Different enumerations for GSUB and GPOS */
   UINT16	lookupFlag;		/* Lookup qualifiers */
-  ArrayOf<Offset<> >
+  ArrayOf<Offset16>
 		subTable;		/* Array of SubTables */
   UINT16	markFilteringSetX[VAR];	/* Index (base 0) into GDEF mark glyph sets
 					 * structure. This field is only present if bit
diff --git a/src/hb-ot-name-table.hh b/src/hb-ot-name-table.hh
index e90e46c14..4c5b3c0f9 100644
--- a/src/hb-ot-name-table.hh
+++ b/src/hb-ot-name-table.hh
@@ -125,7 +125,7 @@ struct name
   /* We only implement format 0 for now. */
   UINT16	format;			/* Format selector (=0/1). */
   UINT16	count;			/* Number of name records. */
-  Offset<>	stringOffset;		/* Offset to start of string storage (from start of table). */
+  Offset16	stringOffset;		/* Offset to start of string storage (from start of table). */
   NameRecord	nameRecord[VAR];	/* The name records where count is the number of records. */
   public:
   DEFINE_SIZE_ARRAY (6, nameRecord);
diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
index ab7d35b43..2a9357a5e 100644
--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@@ -186,7 +186,7 @@ struct fvar
   protected:
   FixedVersion<>version;	/* Version of the fvar table
 				 * initially set to 0x00010000u */
-  Offset<>	things;		/* Offset in bytes from the beginning of the table
+  Offset16	things;		/* Offset in bytes from the beginning of the table
 				 * to the start of the AxisRecord array. */
   UINT16	reserved;	/* This field is permanently reserved. Set to 2. */
   UINT16	axisCount;	/* The number of variation axes in the font (the

From 173dab6300d9b492f2d1c68f9e8f7817211a3462 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 21:27:24 -0800
Subject: [PATCH 0645/1326] Minor move

---
 src/hb-buffer-private.hh | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 4913da6a5..c694cd9e7 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -102,17 +102,6 @@ struct hb_buffer_t {
   hb_glyph_info_t     *out_info;
   hb_glyph_position_t *pos;
 
-  inline hb_glyph_info_t &cur (unsigned int i = 0) { return info[idx + i]; }
-  inline hb_glyph_info_t cur (unsigned int i = 0) const { return info[idx + i]; }
-
-  inline hb_glyph_position_t &cur_pos (unsigned int i = 0) { return pos[idx + i]; }
-  inline hb_glyph_position_t cur_pos (unsigned int i = 0) const { return pos[idx + i]; }
-
-  inline hb_glyph_info_t &prev (void) { return out_info[out_len ? out_len - 1 : 0]; }
-  inline hb_glyph_info_t prev (void) const { return out_info[out_len ? out_len - 1 : 0]; }
-
-  inline bool has_separate_output (void) const { return info != out_info; }
-
   unsigned int serial;
 
   /* Text before / after the main buffer contents.
@@ -132,6 +121,10 @@ struct hb_buffer_t {
 #ifndef HB_NDEBUG
   uint8_t allocated_var_bits;
 #endif
+
+
+  /* Methods */
+
   inline void allocate_var (unsigned int start, unsigned int count)
   {
 #ifndef HB_NDEBUG
@@ -168,8 +161,17 @@ struct hb_buffer_t {
 #endif
   }
 
+  inline hb_glyph_info_t &cur (unsigned int i = 0) { return info[idx + i]; }
+  inline hb_glyph_info_t cur (unsigned int i = 0) const { return info[idx + i]; }
+
+  inline hb_glyph_position_t &cur_pos (unsigned int i = 0) { return pos[idx + i]; }
+  inline hb_glyph_position_t cur_pos (unsigned int i = 0) const { return pos[idx + i]; }
+
+  inline hb_glyph_info_t &prev (void) { return out_info[out_len ? out_len - 1 : 0]; }
+  inline hb_glyph_info_t prev (void) const { return out_info[out_len ? out_len - 1 : 0]; }
+
+  inline bool has_separate_output (void) const { return info != out_info; }
 
-  /* Methods */
 
   HB_INTERNAL void reset (void);
   HB_INTERNAL void clear (void);

From baf7779d2d6e4810168a8f036bbf8f9e6493dd1a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 14 Nov 2017 21:53:48 -0800
Subject: [PATCH 0646/1326] Limit how much recursion GSUB/GPOS does

This only counts recursions right now.  Good start.

Hopefully...
Fixes https://github.com/behdad/harfbuzz/issues/429
---
 src/Makefile.am                      |  5 ++++-
 src/hb-buffer-private.hh             | 15 +++++++++++++--
 src/hb-buffer.cc                     |  2 ++
 src/hb-ot-layout-gsubgpos-private.hh |  5 ++++-
 src/hb-ot-shape.cc                   | 10 ++++++++--
 test/shaping/tests/fuzzed.tests      |  2 +-
 6 files changed, 32 insertions(+), 7 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 4140cbce4..685718221 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -138,9 +138,12 @@ FUZZING_CPPFLAGS= \
 	-DHB_NDEBUG \
 	-DHB_MAX_NESTING_LEVEL=3 \
 	-DHB_SANITIZE_MAX_EDITS=3 \
-	-DHB_BUFFER_MAX_EXPANSION_FACTOR=3 \
+	-DHB_BUFFER_MAX_LEN_FACTOR=3 \
 	-DHB_BUFFER_MAX_LEN_MIN=8 \
 	-DHB_BUFFER_MAX_LEN_DEFAULT=128 \
+	-DHB_BUFFER_MAX_OPS_FACTOR=8 \
+	-DHB_BUFFER_MAX_OPS_MIN=64 \
+	-DHB_BUFFER_MAX_OPS_DEFAULT=1024 \
 	$(NULL)
 EXTRA_LTLIBRARIES = libharfbuzz-fuzzing.la
 libharfbuzz_fuzzing_la_LINK = $(libharfbuzz_la_LINK)
diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index c694cd9e7..97bdc1be3 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -35,8 +35,8 @@
 #include "hb-unicode-private.hh"
 
 
-#ifndef HB_BUFFER_MAX_EXPANSION_FACTOR
-#define HB_BUFFER_MAX_EXPANSION_FACTOR 32
+#ifndef HB_BUFFER_MAX_LEN_FACTOR
+#define HB_BUFFER_MAX_LEN_FACTOR 32
 #endif
 #ifndef HB_BUFFER_MAX_LEN_MIN
 #define HB_BUFFER_MAX_LEN_MIN 8192
@@ -45,6 +45,16 @@
 #define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
 #endif
 
+#ifndef HB_BUFFER_MAX_OPS_FACTOR
+#define HB_BUFFER_MAX_OPS_FACTOR 64
+#endif
+#ifndef HB_BUFFER_MAX_OPS_MIN
+#define HB_BUFFER_MAX_OPS_MIN 1024
+#endif
+#ifndef HB_BUFFER_MAX_OPS_DEFAULT
+#define HB_BUFFER_MAX_OPS_DEFAULT 0x1FFFFFFF /* Shaping more than a billion operations? Let us know! */
+#endif
+
 static_assert ((sizeof (hb_glyph_info_t) == 20), "");
 static_assert ((sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t)), "");
 
@@ -84,6 +94,7 @@ struct hb_buffer_t {
   hb_codepoint_t replacement; /* U+FFFD or something else. */
   hb_buffer_scratch_flags_t scratch_flags; /* Have space-flallback, etc. */
   unsigned int max_len; /* Maximum allowed len. */
+  int max_ops; /* Maximum allowed operations. */
 
   /* Buffer contents */
   hb_buffer_content_type_t content_type;
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index f0791780b..7ead43b01 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -722,6 +722,7 @@ hb_buffer_create (void)
     return hb_buffer_get_empty ();
 
   buffer->max_len = HB_BUFFER_MAX_LEN_DEFAULT;
+  buffer->max_ops = HB_BUFFER_MAX_OPS_DEFAULT;
 
   buffer->reset ();
 
@@ -749,6 +750,7 @@ hb_buffer_get_empty (void)
     HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT,
     HB_BUFFER_SCRATCH_FLAG_DEFAULT,
     HB_BUFFER_MAX_LEN_DEFAULT,
+    HB_BUFFER_MAX_OPS_DEFAULT,
 
     HB_BUFFER_CONTENT_TYPE_INVALID,
     HB_SEGMENT_PROPERTIES_DEFAULT,
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index e27e4731d..cd91cf55f 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -413,7 +413,7 @@ struct hb_apply_context_t :
   bool stop_sublookup_iteration (return_t r) const { return r; }
   return_t recurse (unsigned int lookup_index)
   {
-    if (unlikely (nesting_level_left == 0 || !recurse_func))
+    if (unlikely (nesting_level_left == 0 || !recurse_func || buffer->max_ops-- <= 0))
       return default_return_value ();
 
     nesting_level_left--;
@@ -1005,6 +1005,9 @@ static inline bool apply_lookup (hb_apply_context_t *c,
     if (unlikely (!buffer->move_to (match_positions[idx])))
       break;
 
+    if (unlikely (buffer->max_ops <= 0))
+      break;
+
     unsigned int orig_len = buffer->backtrack_len () + buffer->lookahead_len ();
     if (!c->recurse (lookupRecord[i].lookupListIndex))
       continue;
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 624132d89..6d1b45b99 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -817,11 +817,16 @@ hb_ot_shape_internal (hb_ot_shape_context_t *c)
 {
   c->buffer->deallocate_var_all ();
   c->buffer->scratch_flags = HB_BUFFER_SCRATCH_FLAG_DEFAULT;
-  if (likely (!_hb_unsigned_int_mul_overflows (c->buffer->len, HB_BUFFER_MAX_EXPANSION_FACTOR)))
+  if (likely (!_hb_unsigned_int_mul_overflows (c->buffer->len, HB_BUFFER_MAX_LEN_FACTOR)))
   {
-    c->buffer->max_len = MAX (c->buffer->len * HB_BUFFER_MAX_EXPANSION_FACTOR,
+    c->buffer->max_len = MAX (c->buffer->len * HB_BUFFER_MAX_LEN_FACTOR,
 			      (unsigned) HB_BUFFER_MAX_LEN_MIN);
   }
+  if (likely (!_hb_unsigned_int_mul_overflows (c->buffer->len, HB_BUFFER_MAX_OPS_FACTOR)))
+  {
+    c->buffer->max_ops = MAX (c->buffer->len * HB_BUFFER_MAX_OPS_FACTOR,
+			      (unsigned) HB_BUFFER_MAX_OPS_MIN);
+  }
 
   bool disable_otl = c->plan->shaper->disable_otl && c->plan->shaper->disable_otl (c->plan);
   //c->fallback_substitute     = disable_otl || !hb_ot_layout_has_substitution (c->face);
@@ -861,6 +866,7 @@ hb_ot_shape_internal (hb_ot_shape_context_t *c)
   c->buffer->props.direction = c->target_direction;
 
   c->buffer->max_len = HB_BUFFER_MAX_LEN_DEFAULT;
+  c->buffer->max_ops = HB_BUFFER_MAX_OPS_DEFAULT;
   c->buffer->deallocate_var_all ();
 }
 
diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/fuzzed.tests
index daa770a30..edac28562 100644
--- a/test/shaping/tests/fuzzed.tests
+++ b/test/shaping/tests/fuzzed.tests
@@ -16,4 +16,4 @@ fonts/sha1sum/a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
-fonts/sha1sum/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf:--font-funcs=ot --no-positions --no-clusters --no-glyph-names:U+0041:[0|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|0|2|0|0|0|2|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0]
+fonts/sha1sum/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf:--font-funcs=ot --no-positions --no-clusters --no-glyph-names:U+0041:[0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0]

From 7c6937e7c7b62602fef10ac4b2e164d0c67c932b Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Mon, 20 Nov 2017 14:49:22 -0500
Subject: [PATCH 0647/1326] Move all references of old url to the new address
 (#622)

---
 .travis.yml                              |   2 +-
 BUILD.md                                 |   2 +-
 CMakeLists.txt                           |   2 +-
 NEWS                                     |  20 ++++++++++----------
 README                                   |   8 ++++----
 RELEASING.md                             |   2 +-
 configure.ac                             |   2 +-
 docs/HarfBuzz.png                        | Bin 3419 -> 12710 bytes
 docs/harfbuzz-docs.xml                   |   2 +-
 docs/usermanual-install-harfbuzz.xml     |   2 +-
 harfbuzz.doap                            |   2 +-
 src/gen-use-table.py                     |   4 ++--
 src/hb-coretext.cc                       |   2 +-
 src/hb-debug.hh                          |   2 +-
 src/hb-ot-layout-gsub-table.hh           |  22 +++++++++++-----------
 src/hb-ot-layout-gsubgpos-private.hh     |   2 +-
 src/hb-ot-layout-private.hh              |   8 ++++----
 src/hb-ot-shape-complex-arabic.cc        |   4 ++--
 src/hb-ot-shape-complex-hebrew.cc        |   2 +-
 src/hb-ot-shape-complex-indic-private.hh |   2 +-
 src/hb-ot-shape-complex-indic.cc         |   8 ++++----
 src/hb-ot-shape-complex-use-machine.rl   |   2 +-
 src/hb-ot-shape.cc                       |   2 +-
 src/hb-private.hh                        |   2 +-
 src/hb-unicode-private.hh                |   2 +-
 src/sample.py                            |   2 +-
 test/api/test-set.c                      |   2 +-
 test/fuzzing/README                      |   2 +-
 28 files changed, 57 insertions(+), 57 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index fd2139ae7..f31daaf36 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,7 +30,7 @@ script:
   - ./configure $CONFIGURE_OPTS
   - make
   - make check || (cat */test-suite.log test/*/test-suite.log && false)
-  - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SLUG" == "behdad/harfbuzz" ]; then rm -f src/.libs/NONE.gcov; touch src/NONE; coveralls -e docs; fi
+  - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SLUG" == "harfbuzz/harfbuzz" ]; then rm -f src/.libs/NONE.gcov; touch src/NONE; coveralls -e docs; fi
 after_success:
   - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SECURE_ENV_VARS" == "true" ]; then bash .ci/deploy-docs.sh; fi
 notifications:
diff --git a/BUILD.md b/BUILD.md
index 2107803a2..9e5a55bd6 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -9,7 +9,7 @@ on Windows, consider using [vcpkg](https://github.com/Microsoft/vcpkg),
 provided by Microsoft, for building HarfBuzz and other open-source libraries
 but if you need to build harfbuzz from source, put ragel binary on your
 PATH and follow appveyor CI's cmake
-[build steps](https://github.com/behdad/harfbuzz/blob/master/appveyor.yml).
+[build steps](https://github.com/harfbuzz/harfbuzz/blob/master/appveyor.yml).
 
 on macOS, using MacPorts:
 * sudo port install freetype glib2 cairo
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8d2825758..235760990 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,7 +146,7 @@ if (NOT IN_HB_DIST)
   if (RAGEL)
     message(STATUS "ragel found at: ${RAGEL}")
   else ()
-    message(FATAL_ERROR "ragel not found, get it here -- http://www.complang.org/ragel/ or, use harfbuzz releases https://github.com/behdad/harfbuzz/releases")
+    message(FATAL_ERROR "ragel not found, get it here -- http://www.complang.org/ragel/ or, use harfbuzz releases https://github.com/harfbuzz/harfbuzz/releases")
   endif ()
 
   foreach (ragel_output IN ITEMS ${HB_BASE_RAGEL_GENERATED_sources} ${HB_OT_RAGEL_GENERATED_sources})
diff --git a/NEWS b/NEWS
index ba9a88668..2280d0983 100644
--- a/NEWS
+++ b/NEWS
@@ -33,7 +33,7 @@ Monday, October 23nd, 2017
 
 - Yesterday's release had a bad crasher; don't use it.  That's what
   happens when one works on Sunday...
-  https://github.com/behdad/harfbuzz/issues/578
+  https://github.com/harfbuzz/harfbuzz/issues/578
 - Build fixes for FreeBSD and Chrome Android.
 
 
@@ -42,7 +42,7 @@ Sunday, October 22nd, 2017
 ====================================
 
 - Don't skip over COMBINING GRAPHEME JOINER when ligating, etc.
-  To be refined: https://github.com/behdad/harfbuzz/issues/554
+  To be refined: https://github.com/harfbuzz/harfbuzz/issues/554
 - Faster hb_set_t implementation.
 - Don't use deprecated ICU API.
 - Fix undefined-behavior in Myanmar shaper, introduced in 1.6.0
@@ -443,7 +443,7 @@ Tuesday, February 23, 2016
 - CoreText: Drastically speed up font initialization.
 - CoreText: Fix tiny leak.
 - Group ZWJ/ZWNJ with previous syllable under cluster-level=0.
-  https://github.com/behdad/harfbuzz/issues/217
+  https://github.com/harfbuzz/harfbuzz/issues/217
 - Add test/shaping/README.md about how to add tests to the suite.
 
 
@@ -459,8 +459,8 @@ Friday, February 19, 2016
 - Allow GPOS cursive connection on marks, and fix the interaction with
   mark attachment.  This work resulted in some changes to how mark
   attachments work.  See:
-  https://github.com/behdad/harfbuzz/issues/211
-  https://github.com/behdad/harfbuzz/commit/86c68c7a2c971efe8e35b1f1bd99401dc8b688d2
+  https://github.com/harfbuzz/harfbuzz/issues/211
+  https://github.com/harfbuzz/harfbuzz/commit/86c68c7a2c971efe8e35b1f1bd99401dc8b688d2
 - Graphite2 shaper: improved negative advance handling (eg. Nastaliq).
 - Add nmake-based build system for Windows.
 - Minor speedup.
@@ -501,7 +501,7 @@ Wednesday, November 26, 2015
 ====================================
 
 - Fix badly-broken fallback shaper that affected terminology.
-  https://github.com/behdad/harfbuzz/issues/187
+  https://github.com/harfbuzz/harfbuzz/issues/187
 - Fix y_scaling in Graphite shaper.
 - API changes:
   * An unset glyph_h_origin() function in font-funcs now (sensibly)
@@ -523,11 +523,11 @@ Wednesday, November 18, 2015
 ====================================
 
 - Implement 'stch' stretch feature for Syriac Abbreviation Mark.
-  https://github.com/behdad/harfbuzz/issues/141
+  https://github.com/harfbuzz/harfbuzz/issues/141
 - Disable use of decompose_compatibility() callback.
 - Implement "shaping" of various Unicode space characters, even
   if the font does not support them.
-  https://github.com/behdad/harfbuzz/issues/153
+  https://github.com/harfbuzz/harfbuzz/issues/153
 - If font does not support U+2011 NO-BREAK HYPHEN, fallback to
   U+2010 HYPHEN.
 - Changes resulting from libFuzzer continuous fuzzing:
@@ -550,7 +550,7 @@ Thursday, October 15, 2015
 - Revert default load-flags of fonts created using hb_ft_font_create()
   back to FT_LOAD_DEFAULT|FT_LOAD_NO_HINTING.  This was changed in
   last release (1.0.5), but caused major issues, so revert.
-  https://github.com/behdad/harfbuzz/issues/143
+  https://github.com/harfbuzz/harfbuzz/issues/143
 
 
 Overview of changes leading to 1.0.5
@@ -558,7 +558,7 @@ Tuesday, October 13, 2015
 ====================================
 
 - Fix multiple memory access bugs discovered using libFuzzer.
-  https://github.com/behdad/harfbuzz/issues/139
+  https://github.com/harfbuzz/harfbuzz/issues/139
   Everyone should upgrade to this version as soon as possible.
   We now have continuous fuzzing set up, to avoid issues like
   these creeping in again.
diff --git a/README b/README
index 0fa35b03e..b1cc4ad8b 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
-[![Build Status](https://travis-ci.org/behdad/harfbuzz.svg)](https://travis-ci.org/behdad/harfbuzz)
-[![Build Status](https://ci.appveyor.com/api/projects/status/4oaq58ns2h0m2soa?svg=true)](https://ci.appveyor.com/project/behdad/harfbuzz)
-[![CircleCI](https://circleci.com/gh/behdad/harfbuzz.svg?style=svg)](https://circleci.com/gh/behdad/harfbuzz)
-[![Coverage Status](https://img.shields.io/coveralls/behdad/harfbuzz.svg)](https://coveralls.io/r/behdad/harfbuzz)
+[![Build Status](https://travis-ci.org/harfbuzz/harfbuzz.svg)](https://travis-ci.org/harfbuzz/harfbuzz)
+[![Build Status](https://ci.appveyor.com/api/projects/status/4oaq58ns2h0m2soa?svg=true)](https://ci.appveyor.com/project/harfbuzz/harfbuzz)
+[![CircleCI](https://circleci.com/gh/harfbuzz/harfbuzz.svg?style=svg)](https://circleci.com/gh/harfbuzz/harfbuzz)
+[![Coverage Status](https://img.shields.io/coveralls/harfbuzz/harfbuzz.svg)](https://coveralls.io/r/harfbuzz/harfbuzz)
 [ABI Tracker](http://abi-laboratory.pro/tracker/timeline/harfbuzz/)
 
 This is HarfBuzz, a text shaping library.
diff --git a/RELEASING.md b/RELEASING.md
index 83302c7fb..1863c6e39 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -59,7 +59,7 @@ HarfBuzz release walk-through checklist:
 12. Push the commit and tag out: "git push --follow-tags".  Make sure it's
     pushed both to freedesktop repo and github.
 
-13. Go to GitHub release page [here](https://github.com/behdad/harfbuzz/releases),
+13. Go to GitHub release page [here](https://github.com/harfbuzz/harfbuzz/releases),
     edit the tag, upload artefacts and NEWS entry and save.
 
 
diff --git a/configure.ac b/configure.ac
index 7c3aa0336..9fe348905 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
         [1.7.1],
-        [https://github.com/behdad/harfbuzz/issues/new],
+        [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])
 
diff --git a/docs/HarfBuzz.png b/docs/HarfBuzz.png
index d58d9fc5a58424a657f01416b49a697c71eae149..170e86ec54bbbd9349abd63fcfc94c65d27880ca 100644
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diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index 12df83362..5182bc5c4 100644
--- a/docs/harfbuzz-docs.xml
+++ b/docs/harfbuzz-docs.xml
@@ -22,7 +22,7 @@
         source tree is available
         <ulink url="http://cgit.freedesktop.org/harfbuzz/">here</ulink>.
         Also available on
-        <ulink url="https://github.com/behdad/harfbuzz">github</ulink>.
+        <ulink url="https://github.com/harfbuzz/harfbuzz">github</ulink>.
         See <xref linkend="download" endterm="download.title"/> for release tarballs.
       </para>
       <para>
diff --git a/docs/usermanual-install-harfbuzz.xml b/docs/usermanual-install-harfbuzz.xml
index be8ac8d12..24f54e318 100644
--- a/docs/usermanual-install-harfbuzz.xml
+++ b/docs/usermanual-install-harfbuzz.xml
@@ -12,7 +12,7 @@
     <para>
       The canonical source tree is available
       <ulink url="http://cgit.freedesktop.org/harfbuzz/">here</ulink>.
-      Also available on <ulink url="https://github.com/behdad/harfbuzz">github</ulink>.
+      Also available on <ulink url="https://github.com/harfbuzz/harfbuzz">github</ulink>.
     </para>
     <para>
       The API that comes with <filename class='headerfile'>hb.h</filename> will
diff --git a/harfbuzz.doap b/harfbuzz.doap
index 1e3e9abc4..07699697f 100644
--- a/harfbuzz.doap
+++ b/harfbuzz.doap
@@ -13,7 +13,7 @@
   <!--download-page
   rdf:resource=""/-->
   <bug-database
-  rdf:resource="https://github.com/behdad/harfbuzz/issues" />
+  rdf:resource="https://github.com/harfbuzz/harfbuzz/issues" />
 
   <maintainer>
     <foaf:Person>
diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index c18b1e039..e8acc5670 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -301,10 +301,10 @@ def map_to_use(data):
 		# the nasalization marks, maybe only for U+1CE9..U+1CF1.
 		if U == 0x1CED: UISC = Tone_Mark
 
-		# TODO: https://github.com/behdad/harfbuzz/issues/525
+		# TODO: https://github.com/harfbuzz/harfbuzz/issues/525
 		if U == 0x1A7F: UISC = Consonant_Final; UIPC = Bottom
 
-		# TODO: https://github.com/behdad/harfbuzz/pull/609
+		# TODO: https://github.com/harfbuzz/harfbuzz/pull/609
 		if U == 0x20F0: UISC = Cantillation_Mark; UIPC = Top
 
 		values = [k for k,v in items if v(U,UISC,UGC)]
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 86ca17fb2..41eb7d6a7 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -1000,7 +1000,7 @@ resize_and_retry:
 	 * However, even that wouldn't work if we were passed in the CGFont to
 	 * construct a hb_face to begin with.
 	 *
-	 * See: http://github.com/behdad/harfbuzz/pull/36
+	 * See: http://github.com/harfbuzz/harfbuzz/pull/36
 	 *
 	 * Also see: https://bugs.chromium.org/p/chromium/issues/detail?id=597098
 	 */
diff --git a/src/hb-debug.hh b/src/hb-debug.hh
index 03431cbf7..20dead65b 100644
--- a/src/hb-debug.hh
+++ b/src/hb-debug.hh
@@ -272,7 +272,7 @@ template <typename ret_t> /* Make sure we don't use hb_auto_trace_t when not tra
 struct hb_auto_trace_t<0, ret_t>;
 
 /* For disabled tracing; optimize out everything.
- * https://github.com/behdad/harfbuzz/pull/605 */
+ * https://github.com/harfbuzz/harfbuzz/pull/605 */
 template <typename ret_t>
 struct hb_no_trace_t {
   inline ret_t ret (ret_t v, unsigned int line HB_UNUSED = 0) { return v; }
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 98f3784cf..4fb56c1a8 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -44,7 +44,7 @@ struct SingleSubstFormat1
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       /* TODO Switch to range-based API to work around malicious fonts.
-       * https://github.com/behdad/harfbuzz/issues/363 */
+       * https://github.com/harfbuzz/harfbuzz/issues/363 */
       hb_codepoint_t glyph_id = iter.get_glyph ();
       if (c->glyphs->has (glyph_id))
 	c->glyphs->add ((glyph_id + deltaGlyphID) & 0xFFFFu);
@@ -58,7 +58,7 @@ struct SingleSubstFormat1
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       /* TODO Switch to range-based API to work around malicious fonts.
-       * https://github.com/behdad/harfbuzz/issues/363 */
+       * https://github.com/harfbuzz/harfbuzz/issues/363 */
       hb_codepoint_t glyph_id = iter.get_glyph ();
       c->input->add (glyph_id);
       c->output->add ((glyph_id + deltaGlyphID) & 0xFFFFu);
@@ -130,7 +130,7 @@ struct SingleSubstFormat2
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
-        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
+        break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ()))
 	c->glyphs->add (substitute[iter.get_coverage ()]);
     }
@@ -144,7 +144,7 @@ struct SingleSubstFormat2
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
-        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
+        break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
       c->input->add (iter.get_glyph ());
       c->output->add (substitute[iter.get_coverage ()]);
     }
@@ -287,7 +287,7 @@ struct Sequence
       return_trace (true);
     }
     /* Spec disallows this, but Uniscribe allows it.
-     * https://github.com/behdad/harfbuzz/issues/253 */
+     * https://github.com/harfbuzz/harfbuzz/issues/253 */
     else if (unlikely (count == 0))
     {
       c->buffer->delete_glyph ();
@@ -339,7 +339,7 @@ struct MultipleSubstFormat1
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
-        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
+        break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ()))
 	(this+sequence[iter.get_coverage ()]).closure (c);
     }
@@ -461,7 +461,7 @@ struct AlternateSubstFormat1
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
-        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
+        break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ())) {
 	const AlternateSet &alt_set = this+alternateSet[iter.get_coverage ()];
 	unsigned int count = alt_set.len;
@@ -479,7 +479,7 @@ struct AlternateSubstFormat1
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
-        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
+        break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
       c->input->add (iter.get_glyph ());
       const AlternateSet &alt_set = this+alternateSet[iter.get_coverage ()];
       unsigned int count = alt_set.len;
@@ -792,7 +792,7 @@ struct LigatureSubstFormat1
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
-        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
+        break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ()))
 	(this+ligatureSet[iter.get_coverage ()]).closure (c);
     }
@@ -806,7 +806,7 @@ struct LigatureSubstFormat1
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
-        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
+        break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
       c->input->add (iter.get_glyph ());
       (this+ligatureSet[iter.get_coverage ()]).collect_glyphs (c);
     }
@@ -961,7 +961,7 @@ struct ReverseChainSingleSubstFormat1
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
-        break; /* Work around malicious fonts. https://github.com/behdad/harfbuzz/issues/363 */
+        break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
       if (c->glyphs->has (iter.get_glyph ()))
 	c->glyphs->add (substitute[iter.get_coverage ()]);
     }
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index cd91cf55f..b08a59138 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -711,7 +711,7 @@ static inline bool match_input (hb_apply_context_t *c,
    *   o If two marks want to ligate and they belong to different components of the
    *     same ligature glyph, and said ligature glyph is to be ignored according to
    *     mark-filtering rules, then allow.
-   *     https://github.com/behdad/harfbuzz/issues/545
+   *     https://github.com/harfbuzz/harfbuzz/issues/545
    */
 
   bool is_mark_ligature = _hb_glyph_info_is_mark (&buffer->cur());
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 460028a61..0f0926f89 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -273,13 +273,13 @@ _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
        * what we do for joiners in Indic-like shapers, but since the
        * FVSes are GC=Mn, we have use a separate bit to remember them.
        * Fixes:
-       * https://github.com/behdad/harfbuzz/issues/234 */
+       * https://github.com/harfbuzz/harfbuzz/issues/234 */
       else if (unlikely (hb_in_range (u, 0x180Bu, 0x180Du))) props |= UPROPS_MASK_HIDDEN;
       /* TAG characters need similar treatment. Fixes:
-       * https://github.com/behdad/harfbuzz/issues/463 */
+       * https://github.com/harfbuzz/harfbuzz/issues/463 */
       else if (unlikely (hb_in_range (u, 0xE0020u, 0xE007Fu))) props |= UPROPS_MASK_HIDDEN;
       /* COMBINING GRAPHEME JOINER should not be skipped; at least some times.
-       * https://github.com/behdad/harfbuzz/issues/554 */
+       * https://github.com/harfbuzz/harfbuzz/issues/554 */
       else if (unlikely (u == 0x034Fu)) props |= UPROPS_MASK_HIDDEN;
     }
     else if (unlikely (HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK_OR_MODIFIER_SYMBOL (gen_cat)))
@@ -305,7 +305,7 @@ _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
       /* Recategorize emoji skin-tone modifiers as Unicode mark, so they
        * behave correctly in non-native directionality.  They originally
        * are MODIFIER_SYMBOL.  Fixes:
-       * https://github.com/behdad/harfbuzz/issues/169
+       * https://github.com/harfbuzz/harfbuzz/issues/169
        */
       if (unlikely (hb_in_range (u, 0x1F3FBu, 0x1F3FFu)))
       {
diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 3ba2d069c..eb9d36ff1 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -36,7 +36,7 @@
 #define HB_BUFFER_SCRATCH_FLAG_ARABIC_HAS_STCH HB_BUFFER_SCRATCH_FLAG_COMPLEX0
 
 /* See:
- * https://github.com/behdad/harfbuzz/commit/6e6f82b6f3dde0fc6c3c7d991d9ec6cfff57823d#commitcomment-14248516 */
+ * https://github.com/harfbuzz/harfbuzz/commit/6e6f82b6f3dde0fc6c3c7d991d9ec6cfff57823d#commitcomment-14248516 */
 #define HB_ARABIC_GENERAL_CATEGORY_IS_WORD(gen_cat) \
 	(FLAG_UNSAFE (gen_cat) & \
 	 (FLAG (HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED) | \
@@ -198,7 +198,7 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
    * pause for Arabic, not other scripts.
    *
    * A pause after calt is required to make KFGQPC Uthmanic Script HAFS
-   * work correctly.  See https://github.com/behdad/harfbuzz/issues/505
+   * work correctly.  See https://github.com/harfbuzz/harfbuzz/issues/505
    */
 
   map->add_gsub_pause (nuke_joiners);
diff --git a/src/hb-ot-shape-complex-hebrew.cc b/src/hb-ot-shape-complex-hebrew.cc
index ba78186a0..34cf28b8e 100644
--- a/src/hb-ot-shape-complex-hebrew.cc
+++ b/src/hb-ot-shape-complex-hebrew.cc
@@ -161,7 +161,7 @@ disable_otl_hebrew (const hb_ot_shape_plan_t *plan)
    * script.  This matches Uniscribe better, and makes fonts like
    * Arial that have GSUB/GPOS/GDEF but no data for Hebrew work.
    * See:
-   * https://github.com/behdad/harfbuzz/issues/347#issuecomment-267838368
+   * https://github.com/harfbuzz/harfbuzz/issues/347#issuecomment-267838368
    */
   return plan->map.chosen_script[1] != HB_TAG ('h','e','b','r');
 }
diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index 8fe2509ef..a1e0d5266 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -123,7 +123,7 @@ enum indic_syllabic_category_t {
   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED		= OT_CM,
   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA	= OT_N,
   INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER	= OT_CS,
-  INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		= OT_SM, /* https://github.com/behdad/harfbuzz/issues/552 */
+  INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		= OT_SM, /* https://github.com/harfbuzz/harfbuzz/issues/552 */
   INDIC_SYLLABIC_CATEGORY_INVISIBLE_STACKER		= OT_Coeng,
   INDIC_SYLLABIC_CATEGORY_JOINER			= OT_ZWJ,
   INDIC_SYLLABIC_CATEGORY_MODIFYING_LETTER		= OT_X,
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 8e2cd620e..2c8c06040 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -210,7 +210,7 @@ set_indic_properties (hb_glyph_info_t &info)
   }
   else if (unlikely (u == 0x0A51u))
   {
-    /* https://github.com/behdad/harfbuzz/issues/524 */
+    /* https://github.com/harfbuzz/harfbuzz/issues/524 */
     cat = OT_M;
     pos = POS_BELOW_C;
   }
@@ -220,9 +220,9 @@ set_indic_properties (hb_glyph_info_t &info)
   else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
   else if (unlikely (u == 0x1133cu)) cat = OT_N;
 
-  else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/behdad/harfbuzz/issues/552 */
+  else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
 
-  else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/behdad/harfbuzz/issues/538 */
+  else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
   else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
 				    cat = OT_PLACEHOLDER;
@@ -691,7 +691,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   const indic_shape_plan_t *indic_plan = (const indic_shape_plan_t *) plan->data;
   hb_glyph_info_t *info = buffer->info;
 
-  /* https://github.com/behdad/harfbuzz/issues/435#issuecomment-335560167
+  /* https://github.com/harfbuzz/harfbuzz/issues/435#issuecomment-335560167
    * // For compatibility with legacy usage in Kannada,
    * // Ra+h+ZWJ must behave like Ra+ZWJ+h...
    */
diff --git a/src/hb-ot-shape-complex-use-machine.rl b/src/hb-ot-shape-complex-use-machine.rl
index 7bd8fce15..86cd8b25f 100644
--- a/src/hb-ot-shape-complex-use-machine.rl
+++ b/src/hb-ot-shape-complex-use-machine.rl
@@ -90,7 +90,7 @@ CS	= 43; # CONS_WITH_STACKER
 
 
 consonant_modifiers = CMAbv* CMBlw* ((H B | SUB) VS? CMAbv? CMBlw*)*;
-# Override: Allow two MBlw. https://github.com/behdad/harfbuzz/issues/376
+# Override: Allow two MBlw. https://github.com/harfbuzz/harfbuzz/issues/376
 medial_consonants = MPre? MAbv? MBlw?.MBlw? MPst?;
 dependent_vowels = VPre* VAbv* VBlw* VPst*;
 vowel_modifiers = VMPre* VMAbv* VMBlw* VMPst*;
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 6d1b45b99..2f28b5620 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -108,7 +108,7 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t          *planner,
     /* We really want to find a 'vert' feature if there's any in the font, no
      * matter which script/langsys it is listed (or not) under.
      * See various bugs referenced from:
-     * https://github.com/behdad/harfbuzz/issues/63 */
+     * https://github.com/harfbuzz/harfbuzz/issues/63 */
     map->add_feature (HB_TAG ('v','e','r','t'), 1, F_GLOBAL | F_GLOBAL_SEARCH);
   }
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index b6d13bd30..9c55b4bc4 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -692,7 +692,7 @@ hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3)
  * one enum to another...  So this doesn't provide the type-checking that I
  * originally had in mind... :(.
  *
- * For MSVC warnings, see: https://github.com/behdad/harfbuzz/pull/163
+ * For MSVC warnings, see: https://github.com/harfbuzz/harfbuzz/pull/163
  */
 #ifdef _MSC_VER
 # pragma warning(disable:4200)
diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index ac17f283f..82bb9a4dd 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -137,7 +137,7 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
    * we do NOT want to hide them, as the way Uniscribe has implemented them
    * is with regular spacing glyphs, and that's the way fonts are made to work.
    * As such, we make exceptions for those four.
-   * Also ignoring U+1BCA0..1BCA3. https://github.com/behdad/harfbuzz/issues/503
+   * Also ignoring U+1BCA0..1BCA3. https://github.com/harfbuzz/harfbuzz/issues/503
    *
    * Unicode 7.0:
    * $ grep '; Default_Ignorable_Code_Point ' DerivedCoreProperties.txt | sed 's/;.*#/#/'
diff --git a/src/sample.py b/src/sample.py
index c2cb94d53..844fa4c8c 100755
--- a/src/sample.py
+++ b/src/sample.py
@@ -45,7 +45,7 @@ hb.buffer_set_message_func (buf, debugger.message, 1, 0)
 ## Add text to buffer
 ##
 #
-# See https://github.com/behdad/harfbuzz/pull/271
+# See https://github.com/harfbuzz/harfbuzz/pull/271
 #
 if False:
 	# If you do not care about cluster values reflecting Python
diff --git a/test/api/test-set.c b/test/api/test-set.c
index afc473d7f..0d0b6a76b 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -159,7 +159,7 @@ test_set_algebra (void)
   g_assert (!hb_set_has (s, 13));
   g_assert (hb_set_has (s, 19));
 
-  /* https://github.com/behdad/harfbuzz/issues/579 */
+  /* https://github.com/harfbuzz/harfbuzz/issues/579 */
   hb_set_clear (s);
   test_empty (s);
   hb_set_add_range (s, 886, 895);
diff --git a/test/fuzzing/README b/test/fuzzing/README
index c858f5d50..af99cf95a 100644
--- a/test/fuzzing/README
+++ b/test/fuzzing/README
@@ -18,4 +18,4 @@ The smaller the faster.
 For more details consult the following locations:
   - http://llvm.org/docs/LibFuzzer.html or
   - https://github.com/google/libfuzzer-bot/tree/master/harfbuzz
-  - https://github.com/behdad/harfbuzz/issues/139
+  - https://github.com/harfbuzz/harfbuzz/issues/139

From 87d74605f5f9db685bef7329f498437b4d868e6f Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Mon, 20 Nov 2017 13:19:34 -0500
Subject: [PATCH 0648/1326] Categorize U+0C80 as Consonant_Placeholder

---
 src/hb-ot-shape-complex-indic.cc                 |   1 +
 .../81c368a33816fb20e9f647e8f24e2180f4720263.ttf | Bin 0 -> 1152 bytes
 test/shaping/tests/indic-syllable.tests          |   1 +
 3 files changed, 2 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/81c368a33816fb20e9f647e8f24e2180f4720263.ttf

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 2c8c06040..7d0e7c5a4 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -223,6 +223,7 @@ set_indic_properties (hb_glyph_info_t &info)
   else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
 
   else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
+  else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
   else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
 				    cat = OT_PLACEHOLDER;
diff --git a/test/shaping/fonts/sha1sum/81c368a33816fb20e9f647e8f24e2180f4720263.ttf b/test/shaping/fonts/sha1sum/81c368a33816fb20e9f647e8f24e2180f4720263.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..59198b286a3e5618797a755568281d5d4415e786
GIT binary patch
literal 1152
zcmZuwOKcNY6uoagbg-vRAULo9GkhYoQX(9yG$}%WY~z4p;gmR16`__%>^fF56Jt*(
zL@08oQo?6}P#0MkA%wDsSO8+%MJ3c0kx-<n>Y{Ag4Q+OnX!@o&!aZ-sZKbMrbU)|b
z`|fAvO(vVokWN*S=}01#GG1BkX(IZbh?V-1M^m(k6e9U|_}cphGK0yp=_w*b2R8Z!
zhvGMn-~Ir&6F8e0+!vdDHTNNrbRYQisAZP)#RnG7r-A3k@@DSM%j`1ZN#J+K;E+FI
zgTU8-_l{Z4xi>hS0=@v;YMJLsqzu5M74QbzwDR(fpoV&_zz0f`6{qnT#egv{8AQm%
zw2Tyq7-QOyU3BslN7%dF7IGuZ-6^>{Wp|shK6}-z{rS1dH@Dp2i<^1-CQ@;trM>6S
zlwFJ_dZWIILB;kb5{b#u`Es!^<`{2{zHP*!-94Q~(mY$t8HvgANZxV&?uBNTBvKet
zI^Uaj`$Ig<m%_UPJevwXzogdHu4rAWYhAx^HS+US_1M$&^71!Nzm0@=i08saVE=r0
zS0Lot{5RJO?+MiDp^$-5NM2oUg?h%nhFlNLLAud836O3A>7NK6-UYj^--8UfSGGJ3
z-)Iw4wRIhS|JkFjmY;lgqVL%8bbo&a&4YDybsyKbw)%prT<v<{jo4jRBSCAia`*1y
zou#EScgDxhRIEsFdSRwkTUe;oW)`NWXJ)1&LA-GB(n(%h)jn!DxF!YVU*Vx2wymk2
z?tOggbsN5_CJTt~=M%%NVt>$H!O~XR;?)qLVQK5@wnmSnd6k>lo>H*G9J@}aD_xPk
zfbW{G*-zBXBzQ^nnjmsSoG^s&XyD_cIr>tscC5%oqnC!8X<~Mt3?!ohID)@{DI3u}
z1nk=q><|r+O+|7jPZh|M&;^>J2{Nhd6~XO8KJGF&0M3fj9+sO}p(wD12fg&Fez9Yv
z(fHSTIs3BuV~=+RX&~K`?|9Oytye`hFzV_TeHOJk@Q(;a$L4B{PsP9SKO`pd>xyj|
z9)C*V572h(&yuNh7Bh-{NX+MvA0NQp8@+h%NZu|`e8euqC|)R=HpR#79BfFF;+6B|
SQHndJH34Z&!2h3mDEb$qn*Ry_

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index 24118ea53..a8af26bb5 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -5,3 +5,4 @@ fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf:--font-funcs=ot:U+098
 fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf::U+0A15,U+0A51,U+0A47:[kaguru=0+1273|udaatguru=0@75,0+0|eematraguru=0@-40,0+0]
 fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+0A51:[uni25CC=0+1044|udaatguru=0+0]
 fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+25CC,U+0A51:[uni25CC=0+1044|udaatguru=0+0]
+fonts/sha1sum/81c368a33816fb20e9f647e8f24e2180f4720263.ttf:--no-glyph-names:U+0C80,U+0C82:[1=0+502|2=0+502]

From a0ad0d5bb8260cb297ff114adca7c8d05b6128bb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 20 Nov 2017 15:07:48 -0800
Subject: [PATCH 0649/1326] [docs] s/Harfbuzz/HarfBuzz/g

---
 docs/harfbuzz-docs.xml                        |  2 +-
 ...-buffers-language-script-and-direction.xml | 10 +++---
 docs/usermanual-fonts-and-faces.xml           |  2 +-
 docs/usermanual-hello-harfbuzz.xml            | 34 +++++++++----------
 docs/usermanual-install-harfbuzz.xml          |  2 +-
 docs/usermanual-what-is-harfbuzz.xml          | 20 +++++------
 6 files changed, 35 insertions(+), 35 deletions(-)

diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index 5182bc5c4..9452a92af 100644
--- a/docs/harfbuzz-docs.xml
+++ b/docs/harfbuzz-docs.xml
@@ -60,7 +60,7 @@
     </partinfo>
     <title>Reference manual</title>
       <chapter>
-        <title>Harfbuzz API</title>
+        <title>HarfBuzz API</title>
         <xi:include href="xml/hb.xml"/>
         <xi:include href="xml/hb-common.xml"/>
         <xi:include href="xml/hb-unicode.xml"/>
diff --git a/docs/usermanual-buffers-language-script-and-direction.xml b/docs/usermanual-buffers-language-script-and-direction.xml
index 3a26c553c..9eddb71a9 100644
--- a/docs/usermanual-buffers-language-script-and-direction.xml
+++ b/docs/usermanual-buffers-language-script-and-direction.xml
@@ -1,7 +1,7 @@
 <chapter id="buffers-language-script-and-direction">
   <title>Buffers, language, script and direction</title>
   <para>
-    The input to Harfbuzz is a series of Unicode characters, stored in a
+    The input to HarfBuzz is a series of Unicode characters, stored in a
     buffer. In this chapter, we'll look at how to set up a buffer with
     the text that we want and then customize the properties of the
     buffer.
@@ -15,7 +15,7 @@
       default values and ready to accept your Unicode strings.
     </para>
     <para>
-      Harfbuzz manages the memory of objects that it creates (such as
+      HarfBuzz manages the memory of objects that it creates (such as
       buffers), so you don't have to. When you have finished working on
       a buffer, you can call <literal>hb_buffer_destroy()</literal>:
     </para>
@@ -27,7 +27,7 @@
     <para>
       This will destroy the object and free its associated memory -
       unless some other part of the program holds a reference to this
-      buffer. If you acquire a Harfbuzz buffer from another subsystem
+      buffer. If you acquire a HarfBuzz buffer from another subsystem
       and want to ensure that it is not garbage collected by someone
       else destroying it, you should increase its reference count:
     </para>
@@ -53,8 +53,8 @@ void somefunc(hb_buffer_t *buffer) {
   <section id="adding-text-to-the-buffer">
     <title>Adding text to the buffer</title>
     <para>
-      Now we have a brand new Harfbuzz buffer. Let's start filling it
-      with text! From Harfbuzz's perspective, a buffer is just a stream
+      Now we have a brand new HarfBuzz buffer. Let's start filling it
+      with text! From HarfBuzz's perspective, a buffer is just a stream
       of Unicode codepoints, but your input string is probably in one of
       the standard Unicode character encodings (UTF-8, UTF-16, UTF-32)
     </para>
diff --git a/docs/usermanual-fonts-and-faces.xml b/docs/usermanual-fonts-and-faces.xml
index 01fcdc99f..7de0f051a 100644
--- a/docs/usermanual-fonts-and-faces.xml
+++ b/docs/usermanual-fonts-and-faces.xml
@@ -6,7 +6,7 @@
     </para>
   </section>
   <section id="using-harfbuzzs-native-opentype-implementation">
-    <title>Using Harfbuzz's native OpenType implementation</title>
+    <title>Using HarfBuzz's native OpenType implementation</title>
     <para>
     </para>
   </section>
diff --git a/docs/usermanual-hello-harfbuzz.xml b/docs/usermanual-hello-harfbuzz.xml
index 34db017ae..716b2f2dd 100644
--- a/docs/usermanual-hello-harfbuzz.xml
+++ b/docs/usermanual-hello-harfbuzz.xml
@@ -1,7 +1,7 @@
 <chapter id="hello-harfbuzz">
-  <title>Hello, Harfbuzz</title>
+  <title>Hello, HarfBuzz</title>
   <para>
-    Here's the simplest Harfbuzz that can possibly work. We will improve
+    Here's the simplest HarfBuzz that can possibly work. We will improve
     it later.
   </para>
   <orderedlist numeration="arabic">
@@ -91,23 +91,23 @@
   hb_font_destroy(hb_ft_font);
 </programlisting>
   <section id="what-harfbuzz-doesnt-do">
-    <title>What Harfbuzz doesn't do</title>
+    <title>What HarfBuzz doesn't do</title>
     <para>
       The code above will take a UTF8 string, shape it, and give you the
       information required to lay it out correctly on a single
       horizontal (or vertical) line using the font provided. That is the
-      extent of Harfbuzz's responsibility.
+      extent of HarfBuzz's responsibility.
     </para>
     <para>
       If you are implementing a text layout engine you may have other
-      responsibilities, that Harfbuzz will not help you with:
+      responsibilities, that HarfBuzz will not help you with:
     </para>
     <itemizedlist>
       <listitem>
         <para>
-          Harfbuzz won't help you with bidirectionality. If you want to
+          HarfBuzz won't help you with bidirectionality. If you want to
           lay out text with mixed Hebrew and English, you will need to
-          ensure that the buffer provided to Harfbuzz has those
+          ensure that the buffer provided to HarfBuzz has those
           characters in the correct layout order. This will be different
           from the logical order in which the Unicode text is stored. In
           other words, the user will hit the keys in the following
@@ -127,30 +127,30 @@ ABC אבג DEF
           (&quot;bidi&quot; is short for bidirectional), and there's an
           algorithm as an annex to the Unicode Standard which tells you how
           to reorder a string from logical order into presentation order.
-          Before sending your string to Harfbuzz, you may need to apply the
+          Before sending your string to HarfBuzz, you may need to apply the
           bidi algorithm to it. Libraries such as ICU and fribidi can do
           this for you.
         </para>
       </listitem>
       <listitem>
         <para>
-          Harfbuzz won't help you with text that contains different font
+          HarfBuzz won't help you with text that contains different font
           properties. For instance, if you have the string &quot;a
           <emphasis>huge</emphasis> breakfast&quot;, and you expect
           &quot;huge&quot; to be italic, you will need to send three
-          strings to Harfbuzz: <literal>a</literal>, in your Roman font;
+          strings to HarfBuzz: <literal>a</literal>, in your Roman font;
           <literal>huge</literal> using your italic font; and
           <literal>breakfast</literal> using your Roman font again.
           Similarly if you change font, font size, script, language or
           direction within your string, you will need to shape each run
-          independently and then output them independently. Harfbuzz
+          independently and then output them independently. HarfBuzz
           expects to shape a run of characters sharing the same
           properties.
         </para>
       </listitem>
       <listitem>
         <para>
-          Harfbuzz won't help you with line breaking, hyphenation or
+          HarfBuzz won't help you with line breaking, hyphenation or
           justification. As mentioned above, it lays out the string
           along a <emphasis>single line</emphasis> of, notionally,
           infinite length. If you want to find out where the potential
@@ -158,12 +158,12 @@ ABC אבג DEF
           could use the ICU library's break iterator functions.
         </para>
         <para>
-          Harfbuzz can tell you how wide a shaped piece of text is, which is
+          HarfBuzz can tell you how wide a shaped piece of text is, which is
           useful input to a justification algorithm, but it knows nothing
           about paragraphs, lines or line lengths. Nor will it adjust the
           space between words to fit them proportionally into a line. If you
           want to layout text in paragraphs, you will probably want to send
-          each word of your text to Harfbuzz to determine its shaped width
+          each word of your text to HarfBuzz to determine its shaped width
           after glyph substitutions, then work out how many words will fit
           on a line, and then finally output each word of the line separated
           by a space of the correct size to fully justify the paragraph.
@@ -171,12 +171,12 @@ ABC אבג DEF
       </listitem>
     </itemizedlist>
     <para>
-      As a layout engine implementor, Harfbuzz will help you with the
+      As a layout engine implementor, HarfBuzz will help you with the
       interface between your text and your font, and that's something
       that you'll need - what you then do with the glyphs that your font
       returns is up to you. The example we saw above enough to get us
-      started using Harfbuzz. Now we are going to use the remainder of
-      Harfbuzz's API to refine that example and improve our text shaping
+      started using HarfBuzz. Now we are going to use the remainder of
+      HarfBuzz's API to refine that example and improve our text shaping
       capabilities.
     </para>
   </section>
diff --git a/docs/usermanual-install-harfbuzz.xml b/docs/usermanual-install-harfbuzz.xml
index 24f54e318..37450d0bb 100644
--- a/docs/usermanual-install-harfbuzz.xml
+++ b/docs/usermanual-install-harfbuzz.xml
@@ -1,5 +1,5 @@
 <chapter id="install-harfbuzz">
-  <title>Install Harfbuzz</title>
+  <title>Install HarfBuzz</title>
   <section id="download">
     <title id="download.title">Download</title>
     <para>
diff --git a/docs/usermanual-what-is-harfbuzz.xml b/docs/usermanual-what-is-harfbuzz.xml
index 3574d75ab..38f40cf11 100644
--- a/docs/usermanual-what-is-harfbuzz.xml
+++ b/docs/usermanual-what-is-harfbuzz.xml
@@ -1,7 +1,7 @@
 <chapter id="what-is-harfbuzz">
-  <title>What is Harfbuzz?</title>
+  <title>What is HarfBuzz?</title>
   <para>
-    Harfbuzz is a <emphasis>text shaping engine</emphasis>. It solves
+    HarfBuzz is a <emphasis>text shaping engine</emphasis>. It solves
     the problem of selecting and positioning glyphs from a font given a
     Unicode string.
   </para>
@@ -9,17 +9,17 @@
     <title>Why do I need it?</title>
     <para>
       Text shaping is an integral part of preparing text for display. It
-      is a fairly low level operation; Harfbuzz is used directly by
+      is a fairly low level operation; HarfBuzz is used directly by
       graphic rendering libraries such as Pango, and the layout engines
       in Firefox, LibreOffice and Chromium. Unless you are
       <emphasis>writing</emphasis> one of these layout engines yourself,
-      you will probably not need to use Harfbuzz - normally higher level
+      you will probably not need to use HarfBuzz - normally higher level
       libraries will turn text into glyphs for you.
     </para>
     <para>
       However, if you <emphasis>are</emphasis> writing a layout engine
       or graphics library yourself, you will need to perform text
-      shaping, and this is where Harfbuzz can help you. Here are some
+      shaping, and this is where HarfBuzz can help you. Here are some
       reasons why you need it:
     </para>
     <itemizedlist>
@@ -95,20 +95,20 @@
     <para>
       If this is something that you need to do, then you need a text
       shaping engine: you could use Uniscribe if you are using Windows;
-      you could use CoreText on OS X; or you could use Harfbuzz. In the
+      you could use CoreText on OS X; or you could use HarfBuzz. In the
       rest of this manual, we are going to assume that you are the
       implementor of a text layout engine.
     </para>
   </section>
   <section id="why-is-it-called-harfbuzz">
-    <title>Why is it called Harfbuzz?</title>
+    <title>Why is it called HarfBuzz?</title>
     <para>
-      Harfbuzz began its life as text shaping code within the FreeType
+      HarfBuzz began its life as text shaping code within the FreeType
       project, (and you will see references to the FreeType authors
       within the source code copyright declarations) but was then
       abstracted out to its own project. This project is maintained by
-      Behdad Esfahbod, and named Harfbuzz. Originally, it was a shaping
-      engine for OpenType fonts - &quot;Harfbuzz&quot; is the Persian
+      Behdad Esfahbod, and named HarfBuzz. Originally, it was a shaping
+      engine for OpenType fonts - &quot;HarfBuzz&quot; is the Persian
       for &quot;open type&quot;.
     </para>
   </section>

From bb7cc4eada06839a3892cea5919f0c310cbaf7c3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 20 Nov 2017 19:39:47 -0800
Subject: [PATCH 0650/1326] Minor

---
 util/options.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/options.cc b/util/options.cc
index 263d47769..cba520681 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -475,7 +475,7 @@ parse_font_size (const char *name G_GNUC_UNUSED,
     case 2: return true;
     default:
       g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
-		   "%s argument should be one to four space-separated numbers",
+		   "%s argument should be one or two space-separated numbers",
 		   name);
       return false;
   }

From 8d55340593ce32e55cfbd86a17c0be8750e8fb72 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 20 Nov 2017 19:43:22 -0800
Subject: [PATCH 0651/1326] Fix fallback positioning of double diacritic marks

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=787284
---
 src/hb-ot-shape-fallback.cc                       |   4 ++--
 .../856ff9562451293cbeff6f396d4e3877c4f0a436.ttf  | Bin 0 -> 892 bytes
 test/shaping/tests/fallback-positioning.tests     |   1 +
 3 files changed, 3 insertions(+), 2 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/856ff9562451293cbeff6f396d4e3877c4f0a436.ttf

diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index f3308847e..458c8eaa0 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -218,10 +218,10 @@ position_mark (const hb_ot_shape_plan_t *plan,
     case HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW:
     case HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE:
       if (buffer->props.direction == HB_DIRECTION_LTR) {
-	pos.x_offset += base_extents.x_bearing - mark_extents.width / 2 - mark_extents.x_bearing;
+	pos.x_offset += base_extents.x_bearing + base_extents.width - mark_extents.width / 2 - mark_extents.x_bearing;
         break;
       } else if (buffer->props.direction == HB_DIRECTION_RTL) {
-	pos.x_offset += base_extents.x_bearing + base_extents.width - mark_extents.width / 2 - mark_extents.x_bearing;
+	pos.x_offset += base_extents.x_bearing - mark_extents.width / 2 - mark_extents.x_bearing;
         break;
       }
       HB_FALLTHROUGH;
diff --git a/test/shaping/fonts/sha1sum/856ff9562451293cbeff6f396d4e3877c4f0a436.ttf b/test/shaping/fonts/sha1sum/856ff9562451293cbeff6f396d4e3877c4f0a436.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..23da109f182374505eed2cbe558e7dd88b9c4d2a
GIT binary patch
literal 892
zcmY*XJ7^S96g}_FWb-x2YQ`v{IE;c#bdq6Wiipoo)WRS5fxv=}+1+d)`+@92w0eyo
zSXif15Y*nnatcLJOYKt%qE*uE?s(qJD(fBQ-h1x5_uTtF5CF!YVL@HKxO545*nm}J
zbpMT8r{<QY-`4<nmH6&THEQH4oe#t>i5FL+jYg8N5>|nDXm$Nz`O$Lpi~d*sKPsiD
zxMyMJBOtbk=PL|YpOeR|KS6w~Qf+SLkkFL}s3zCzD-mAcHuJv`k5r@01_Hqe#arT|
zwWwN>TceZA-zHvY)Hj;HTdxnZzo|cu0Vw9ik^v0D!9j5Cv=fA0=sB(v<UOCp^&QW#
zJcixS)p4wZQYwLfij@+ahtNc0t+W!F$na&%G0$fjhsYXaw0@rKe%{Lm#{(MQBh;qc
z2r22tJy)Q^kTz^xm1q%@a}*QU2e_QiOz4I|I6(i5@Ej2<-GzkiXl)q&3AYHqraDQR
zq15?L&F~zXz10z5_WGAM_a+v1<x^fS<@=|dcbVPY+eV^oSekgq#EeKl{r!QiGCeJw
zXk4+;=0_GYMZee(5@Lt90J$a23wV}U@sqbWY&dgSb5nJ$zw~B#sYo1Ig|vs6Mc+Rw
z627iXIEr~^n4&g)r#OIlLpfSO;s;hC%_Reip0{81O(${0RN2Ffji)@umwff(xPuzj
zP)41$iEAjKNZdk|>!~D9(momJ*X97Eu!KF>s;&9{{A|z8r8WpJq{-X@naspvy<&qz
Gwu?U@7Me}~

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fallback-positioning.tests b/test/shaping/tests/fallback-positioning.tests
index 3eace30c8..86f5640c2 100644
--- a/test/shaping/tests/fallback-positioning.tests
+++ b/test/shaping/tests/fallback-positioning.tests
@@ -1 +1,2 @@
 fonts/sha1sum/8228d035fcd65d62ec9728fb34f42c63be93a5d3.ttf::U+0078,U+0301,U+0058,U+0301:[x=0+1030|acutecomb=0@-21,-27+0|X=2+1295|acutecomb=2@-147,320+0]
+fonts/sha1sum/856ff9562451293cbeff6f396d4e3877c4f0a436.ttf::U+0061,U+035C,U+0062:[uni0061=0+512|uni035C=0@-64,-128+0|uni0062=2+512]

From cd8c62fd41ca824c5db3c55fd1faa20318ca0bf9 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Tue, 21 Nov 2017 01:07:26 -0500
Subject: [PATCH 0652/1326] [ci] Add Oracle Developer Studio (former Sun
 Studio) based compiler (#621)

---
 .circleci/config.yml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7e06e55dd..370252a9c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,6 +2,16 @@ version: 2
 
 jobs:
 
+  oracledeveloperstudio:
+    docker:
+      - image: fedora
+    steps:
+      - checkout
+      - run: dnf install -y gcc ragel cmake make which glib2-devel freetype-devel cairo-devel libicu-devel graphite2-devel wget tar bzip2 || true
+      - run: wget http://$ODSUSER:$ODSPASS@behdad.org/harfbuzz-private/OracleDeveloperStudio12.6-linux-x86-bin.tar.bz2 && tar xf OracleDeveloperStudio12.6-linux-x86-bin.tar.bz2 --owner root --group root --no-same-owner
+      - run: CC=/root/project/OracleDeveloperStudio12.6-linux-x86-bin/developerstudio12.6/bin/suncc CXX=/root/project/OracleDeveloperStudio12.6-linux-x86-bin/developerstudio12.6/bin/sunCC cmake -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_HAVE_FREETYPE=ON -Bbuild -H.
+      - run: make -Cbuild
+
   fedora:
     docker:
       - image: fedora
@@ -87,6 +97,7 @@ workflows:
   version: 2
   build:
     jobs:
+      - oracledeveloperstudio
       - fedora
       - archlinux
       - freebsd9

From 9f259769a61f17b47701bbad79e1865571338417 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Tue, 21 Nov 2017 14:16:10 -0500
Subject: [PATCH 0653/1326] Categorize U+A8B4 as Consonant_Medial

---
 src/gen-use-table.py                             |   3 +++
 src/hb-ot-shape-complex-use-table.cc             |   2 +-
 .../373e67bf41ca264e260a9716162b71a23549e885.ttf | Bin 0 -> 1164 bytes
 test/shaping/tests/use-syllable.tests            |   1 +
 4 files changed, 5 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/373e67bf41ca264e260a9716162b71a23549e885.ttf

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index e8acc5670..4ded54230 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -307,6 +307,9 @@ def map_to_use(data):
 		# TODO: https://github.com/harfbuzz/harfbuzz/pull/609
 		if U == 0x20F0: UISC = Cantillation_Mark; UIPC = Top
 
+		# TODO: https://github.com/harfbuzz/harfbuzz/pull/626
+		if U == 0xA8B4: UISC = Consonant_Medial
+
 		values = [k for k,v in items if v(U,UISC,UGC)]
 		assert len(values) == 1, "%s %s %s %s" % (hex(U), UISC, UGC, values)
 		USE = values[0]
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index ab6730db0..fd6978f28 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -377,7 +377,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* A880 */ VMPst, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* A890 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* A8A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A8B0 */     B,     B,     B,     B,  FPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,
+  /* A8B0 */     B,     B,     B,     B,  MPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,
   /* A8C0 */  VPst,  VPst,  VPst,  VPst,     H, VMAbv,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* A8D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
diff --git a/test/shaping/fonts/sha1sum/373e67bf41ca264e260a9716162b71a23549e885.ttf b/test/shaping/fonts/sha1sum/373e67bf41ca264e260a9716162b71a23549e885.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..214a1956d9aa21730492f9a3bd6bae25b4bf4f2f
GIT binary patch
literal 1164
zcmZuwTWB0r82-;(nspN=t+}+7Hja{Dm4NBe*it2!>}Ipj;0Civ%D%)&vThc$lVvk$
zn^0p^)RI%^QUXR?@O3Le#U^hm6{IL_5gJkPDSc`C&<9b&8JW=aJ2Q!hcn<&N`_F$n
zw`3}nq&iw8m0pU*<7QpWCt)J`k%-xSvEDfCBb`WfVQcOiNDju%^v@D$dx6cq!J!^w
z?%)OB4&Zch@VUrGeKmg&DQm#5j_0jH<@VR3h#vsHFqyF?9$o7G2J124=O<xM&$1M7
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zI%C@4`SLaKl_568Z?4s3hCR9}d3YRLEN<_G_(5C;-!|R_cRM_ipnnG_|E!4glhD1o
z&%h1QBW^UG75Bg8OSimQ{;~JK>-t=OAg+7Qavr_MpZ4yo^3qk^_(HV0?M>Vp8~K2X
z;ZvM@iy~CuUfTxeZo6(=7IF7T(^BjO@6O1@4Y7HeFTZT_x4(On^NlO~(i@jQ)D1D(
zRBDjN*f77cP%f{ml*<b%^YaS}^DVVFc^1&}_gkNi*1x!=)T;Mkp`Q+H;Wi*ohJJq7
zfLjfz65{@X!TyA8KQ*#Byt3cv5Z$JOGMDd_R`x$^s2*2Be)ioEDRt6Vj+Nw1D@)3k
zuv`oz+oYpRft7SW#cq%pD5yK|TJHp1Yr9!lSIz1PO7FPI{)1uS6(Iwt1#K|x5mYyT
z16_e`&=A>_BZo3H1O5tRmS$;+EGqg*G~XZZ8B+eGl#GUKg$%Gp9l#+>)Iv9_mGx?M
zM_a2_f9)I@9!dUd-*xaNI_7i#c-rtEBuSsjYCtkqWev0ryNc<L>O1m({Lhdb1$pIe
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Z8Edu(K35#4gk$BW!1GgB{ZCdu_1}>C5e5JN

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/use-syllable.tests b/test/shaping/tests/use-syllable.tests
index e06e2fa20..0661142c6 100644
--- a/test/shaping/tests/use-syllable.tests
+++ b/test/shaping/tests/use-syllable.tests
@@ -3,3 +3,4 @@ fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA34,U+AA36
 fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA35,U+AA33:[a_cham=0+1121|laMedial_cham=0@-32,0+0|yaMedial_cham=0+542]
 fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA35,U+AA36:[a_cham=0+1121|laMedial_waMedial_cham=0@43,0+0]
 fonts/sha1sum/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf:--no-glyph-names:U+11320,U+20F0,U+11367:[3=0+502|1=0@33,0+0|4=0@300,8+0]
+fonts/sha1sum/373e67bf41ca264e260a9716162b71a23549e885.ttf:--no-glyph-names:U+A8AC,U+A8B4,U+A8B5:[2=0+377|3=0+242|4=0+210]

From a13c0748c59a92812469ada762d57bce3b02fe34 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 21 Nov 2017 09:52:18 +0330
Subject: [PATCH 0654/1326] Move gh-pages docs to harfbuzz.github.io

---
 .ci/deploy-docs.sh |  10 +++++-----
 README             |   2 ++
 docs/HarfBuzz.png  | Bin 12710 -> 14203 bytes
 docs/circle.yml    |   3 ---
 4 files changed, 7 insertions(+), 8 deletions(-)
 delete mode 100644 docs/circle.yml

diff --git a/.ci/deploy-docs.sh b/.ci/deploy-docs.sh
index d647cb4d5..9fafad3f7 100755
--- a/.ci/deploy-docs.sh
+++ b/.ci/deploy-docs.sh
@@ -16,19 +16,19 @@ mkdir $DOCSDIR
 cd $DOCSDIR
 
 cp ../docs/html/* .
-cp ../docs/circle.yml .
+#cp ../docs/CNAME .
 
 git init
 git config user.name "Travis CI"
 git config user.email "travis@harfbuzz.org"
 set +x
-echo "git remote add upstream \"https://\$GH_TOKEN@github.com/$TRAVIS_REPO_SLUG.git\""
-git remote add upstream "https://$GH_TOKEN@github.com/$TRAVIS_REPO_SLUG.git"
+echo "git remote add upstream \"https://\$GH_TOKEN@github.com/harfbuzz/harfbuzz.github.io.git\""
+git remote add upstream "https://$GH_TOKEN@github.com/harfbuzz/harfbuzz.github.io.git"
 set -x
 git fetch upstream
-git reset upstream/gh-pages
+git reset upstream/master
 
 touch .
 git add -A .
 git commit -m "Rebuild docs for $REVISION"
-git push -q upstream HEAD:gh-pages
+git push -q upstream HEAD:master
diff --git a/README b/README
index b1cc4ad8b..4303222a4 100644
--- a/README
+++ b/README
@@ -11,3 +11,5 @@ For bug reports, mailing list, and other information please visit:
   http://harfbuzz.org/
 
 For license information, see the file COPYING.
+
+Documentation: https://harfbuzz.github.io
diff --git a/docs/HarfBuzz.png b/docs/HarfBuzz.png
index 170e86ec54bbbd9349abd63fcfc94c65d27880ca..ca72e9273101d1c6df686c1c61bfafd71f011dc6 100644
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CLtwf9

diff --git a/docs/circle.yml b/docs/circle.yml
deleted file mode 100644
index e3ffd2993..000000000
--- a/docs/circle.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-test:
-  override:
-    - echo "test"

From 77efdecadddbd68bbbc0ff85ac84e24976ad4d4f Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 22 Nov 2017 00:14:29 +0200
Subject: [PATCH 0655/1326] Improve the docs commit message a bit

---
 .ci/deploy-docs.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.ci/deploy-docs.sh b/.ci/deploy-docs.sh
index 9fafad3f7..086982b36 100755
--- a/.ci/deploy-docs.sh
+++ b/.ci/deploy-docs.sh
@@ -30,5 +30,5 @@ git reset upstream/master
 
 touch .
 git add -A .
-git commit -m "Rebuild docs for $REVISION"
+git commit -m "Rebuild docs for https://github.com/harfbuzz/harfbuzz/commit/$REVISION"
 git push -q upstream HEAD:master

From 23ade70783a17ed6822d13e7a910544de2ef181f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 21 Nov 2017 16:36:07 -0800
Subject: [PATCH 0656/1326] [doc] Optimize HarfBuzz.png; add HarfBuzz.svg

SVG is unused. Just keeping it here.
---
 docs/HarfBuzz.png | Bin 14203 -> 8814 bytes
 docs/HarfBuzz.svg | 277 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 277 insertions(+)
 create mode 100644 docs/HarfBuzz.svg

diff --git a/docs/HarfBuzz.png b/docs/HarfBuzz.png
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From d672bcf9d72bb473f5f53089c8af595c4047bc99 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 28 Nov 2017 22:20:57 -0800
Subject: [PATCH 0657/1326] Minor

---
 docs/Makefile.am | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/Makefile.am b/docs/Makefile.am
index 3916801ae..79934d5ab 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -67,7 +67,8 @@ EXTRA_HFILES=$(top_builddir)/src/hb-version.h
 # Images to copy into HTML directory.
 # e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png
 HTML_IMAGES=  \
-	HarfBuzz.png
+	HarfBuzz.png \
+	HarfBuzz.svg
 
 # Extra SGML files that are included by $(DOC_MAIN_SGML_FILE).
 # e.g. content_files=running.sgml building.sgml changes-2.0.sgml

From 7ab49de987b856312d7ad1d02639f7306aa0ad2f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 29 Nov 2017 14:20:09 -0800
Subject: [PATCH 0658/1326] Try fixing Mac build with 10.12

Related
https://github.com/harfbuzz/harfbuzz/issues/345
https://github.com/harfbuzz/harfbuzz/pull/629
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index f31daaf36..315e5ce4d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,6 +18,7 @@ install:
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then pip install --user nose; fi
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then pip install --user cpp-coveralls; fi # for coveralls.io code coverage tracking
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then export PATH=$HOME/.local/bin:$PATH; fi # Make sure we can find the above Python packages
+  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then export CXXFLAGS="$CXXFLAGS -Wno-deprecated-declarations"; fi; # https://github.com/harfbuzz/harfbuzz/issues/345
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi;
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew uninstall libtool && brew install libtool; fi # Workaround Travis/brew bug
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install ragel freetype glib gobject-introspection cairo icu4c graphite2; fi

From 16fba5b2158a0e093e6df32637eba5058942e299 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 29 Nov 2017 16:08:11 -0800
Subject: [PATCH 0659/1326] [ot] Fix Extension type recurse to disallow
 recursing to another Extension

Particularly hazardous if the second layer mixes forward and backward lookups.

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4336
---
 src/hb-ot-layout-gsub-table.hh                   |   6 ++++--
 .../9d8a94a67932a3ab75a596fc8b5c6d0392ca9e49.ttf | Bin 0 -> 4545 bytes
 .../ef2511f215aa3ca847cbfffbf861793b42170875.ttf | Bin 0 -> 1152 bytes
 test/shaping/tests/fuzzed.tests                  |   2 ++
 4 files changed, 6 insertions(+), 2 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/9d8a94a67932a3ab75a596fc8b5c6d0392ca9e49.ttf
 create mode 100644 test/shaping/fonts/sha1sum/ef2511f215aa3ca847cbfffbf861793b42170875.ttf

diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 4fb56c1a8..28e0790e6 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -1280,9 +1280,11 @@ struct SubstLookup : Lookup
     if (unlikely (get_type () == SubstLookupSubTable::Extension))
     {
       /* The spec says all subtables of an Extension lookup should
-       * have the same type.  This is specially important if one has
-       * a reverse type! */
+       * have the same type, which shall not be the Extension type
+       * itself. This is specially important if one has a reverse type! */
       unsigned int type = get_subtable (0).u.extension.get_type ();
+      if (unlikely (type == SubstLookupSubTable::Extension))
+	return_trace (false);
       unsigned int count = get_subtable_count ();
       for (unsigned int i = 1; i < count; i++)
         if (get_subtable (i).u.extension.get_type () != type)
diff --git a/test/shaping/fonts/sha1sum/9d8a94a67932a3ab75a596fc8b5c6d0392ca9e49.ttf b/test/shaping/fonts/sha1sum/9d8a94a67932a3ab75a596fc8b5c6d0392ca9e49.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..3fb9951bbe66afbaad4ca42508a3b1905cd520c5
GIT binary patch
literal 4545
zcmdUzv2N2~6oqdbH<(NrI-qWd0g4o<0X1!4f`yKj5DyT$DMA7U$kJ!v5#UvLC^i-p
z?(brMDL(zNrKl3NTA!SI&bjxuY^Svi%q+Q|*wF0N>o+eSzWWxKgGW;f$Fc4EK6t-e
zf3(a$4eg$NceLl#)Djz2zg=kQU9-o298|u<YrciVUuR!`IJ|OaejK`I;Pv1SDjZ4W
z^}f@=&tP}edTm)q$qvIfc3{sc&Db8;VKZ0i@fVjL-j2R(HrXcgVSIn#!%epK)b4md
z;xUua#D|!8P+-RXQzN)saOgl?9lOqJ_4Q@IF<%_vU_RwgIyfAps46<DaYww`Kd)<F
zk`+=ZU3GYI{Ew@w*O6CGiL3jl=C<!BwKk=LQx47*sH<bwd8%)`hjPHNqBz1qHyo-8
zhYl}Q5IQ)Js<yf2iddA(lX5vP7ORuvr;B2FdUSd|pI;o!$|uF_xLB4&Ia{5tN`C^Y
z9=Uh|D;=D2wC5XJT&Jq^P<ioc+tHk%u=1?_?m^do0_7kN#H4XYyxKoc^^Nxk4*w$e
zGZfb`i$ba|I#q>3rzTK3I1njtxwx{?fzZKqOW9Xv?Kvr+Zh6~xC{y88h#nwxDy6>;
zheE1bR~=p)@tM)#)sApohwWdw_LG4gAeGXtUVG*=*B?4HDaq*Ilmi{8t7F%Bs&Bl9
za=@{oIKn|U9I6V34lh*@IyjK3wz=EBBA734u0J^DQ&pvd1CbKrZhPfws=W6(AO*xK
z<9SNg-$4o!#1Rg<;ZRjLba<(P(7}OJHIJTq9JOxx`SR0h`=1)(Yst-jrtJBHe*D+_
elGOZV$)C;NeuP&N{;7Jwanp;F5JFpKocsoYscz%|

literal 0
HcmV?d00001

diff --git a/test/shaping/fonts/sha1sum/ef2511f215aa3ca847cbfffbf861793b42170875.ttf b/test/shaping/fonts/sha1sum/ef2511f215aa3ca847cbfffbf861793b42170875.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..6a3af4657e1f35b1c8caf2ee62e3a744dab13d22
GIT binary patch
literal 1152
zcmd^9Jxc>Y5Pf^uoX3$9#ZC*AKuC&!t#;a2qzYmyoI>zGFGon>zYqoe16Cr4e?YJn
zOaF*f)DYJ<ce#%k5gRMtal3mnJ3F&8^9~9?X{hD_XM1ON%NR4FWU;;s(YUCh0d?f}
zLpacs+)-}7nJdRQfDXc-j|yxmY$_~{7N1HyE>SA7cmgcP+ep_uEC|;ED6z~TF74-<
z?w((s-X0wL(ZYycXqs<9DvWyc@3zL8f^^t6Nr+TE{XRs7ltC^EMmTl3Y)4@cX9Czn
z<R{@uWHJ0Xg=R-adH*$vEmX!TX1}(Or2NMg%Ifp}$BArqx?vFcIRWVJBEj`|{&rH>
z8&`TgYf?l#7G5jYdoiuHVV8UWGg?~BW)@PuB&;D{9w$Ifl7F;7Ic6P9krJMxD=V;)
zo|E=U38qov7f|a=^GG|M7?H{Ym>WC*0|^PJ$7@tGyi%v`scGO$HV{&yvSWn*W`h4N
cRrX2qaKGE<*%pNPIpjwHmAJ{Jib0y-6IX+W&j0`b

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/fuzzed.tests
index edac28562..bb2c32b1d 100644
--- a/test/shaping/tests/fuzzed.tests
+++ b/test/shaping/tests/fuzzed.tests
@@ -17,3 +17,5 @@ fonts/sha1sum/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf:--font-funcs=ot --no-positions --no-clusters --no-glyph-names:U+0041:[0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0]
+fonts/sha1sum/ef2511f215aa3ca847cbfffbf861793b42170875.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+fonts/sha1sum/9d8a94a67932a3ab75a596fc8b5c6d0392ca9e49.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]

From d9066afd6bc260d2f2ad5cd5b3e8b196e944d3d8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 29 Nov 2017 16:18:18 -0800
Subject: [PATCH 0660/1326] Add another test for previous commit

From https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4273
---
 .../bbf4a308c402f0678c3e82844892a4da2ebe598f.ttf  | Bin 0 -> 204 bytes
 test/shaping/tests/fuzzed.tests                   |   1 +
 2 files changed, 1 insertion(+)
 create mode 100644 test/shaping/fonts/sha1sum/bbf4a308c402f0678c3e82844892a4da2ebe598f.ttf

diff --git a/test/shaping/fonts/sha1sum/bbf4a308c402f0678c3e82844892a4da2ebe598f.ttf b/test/shaping/fonts/sha1sum/bbf4a308c402f0678c3e82844892a4da2ebe598f.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..eb374002d296ebfb4ba11d548f11a177f779e7fc
GIT binary patch
literal 204
zcmZQzWME)mQUC+@;7}(J11KT|BtbG<3?e|tn3GtN$G`#PF*8UoC@_H3Fo8)01_2;P
tfq@+?!o?5()Wr_c2jnvXbufTbkq%HyVFa4O2QdRE&cwh1Wiz0g3jir%5%>TA

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/fuzzed.tests
index bb2c32b1d..4afb3b56d 100644
--- a/test/shaping/tests/fuzzed.tests
+++ b/test/shaping/tests/fuzzed.tests
@@ -19,3 +19,4 @@ fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf:--font-funcs=ot:U+004
 fonts/sha1sum/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf:--font-funcs=ot --no-positions --no-clusters --no-glyph-names:U+0041:[0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0]
 fonts/sha1sum/ef2511f215aa3ca847cbfffbf861793b42170875.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 fonts/sha1sum/9d8a94a67932a3ab75a596fc8b5c6d0392ca9e49.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+fonts/sha1sum/bbf4a308c402f0678c3e82844892a4da2ebe598f.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]

From be9e307a889e04d198042ad39949d3971232ab26 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 1 Dec 2017 12:36:26 -0800
Subject: [PATCH 0661/1326] [ot] Ensure layout in
 hb_ot_layout_table_get_lookup_count()

---
 src/hb-ot-layout.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 8fe153134..884588982 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -601,6 +601,7 @@ unsigned int
 hb_ot_layout_table_get_lookup_count (hb_face_t    *face,
 				     hb_tag_t      table_tag)
 {
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return 0;
   switch (table_tag)
   {
     case HB_OT_TAG_GSUB:

From 438c325a256f040c6be840924ed42dcbcd8a049a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 1 Dec 2017 13:34:14 -0800
Subject: [PATCH 0662/1326] [set] Optimize add_range()

With new set implementation, this became really costy.  Optimize it.
There's more to be done, but this shaves off most of the fat.

Part of fixing https://bugs.chromium.org/p/chromium/issues/detail?id=782220
---
 src/hb-set-private.hh | 56 +++++++++++++++++++++++++++++++------------
 1 file changed, 41 insertions(+), 15 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index c970b89dd..0fe010ff9 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -47,9 +47,8 @@ struct hb_set_t
 
   struct page_t
   {
-    inline void init (void) {
-      memset (&v, 0, sizeof (v));
-    }
+    inline void init0 (void) { memset (&v, 0, sizeof (v)); }
+    inline void init1 (void) { memset (&v, 0xff, sizeof (v)); }
 
     inline unsigned int len (void) const
     { return ARRAY_LENGTH_CONST (v); }
@@ -66,6 +65,13 @@ struct hb_set_t
     inline void del (hb_codepoint_t g) { elt (g) &= ~mask (g); }
     inline bool has (hb_codepoint_t g) const { return !!(elt (g) & mask (g)); }
 
+    inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
+    {
+      /* TODO Speed up. */
+     for (unsigned int i = a; i < b + 1; i++)
+       add (i);
+    }
+
     inline bool is_equal (const page_t *other) const
     {
       return 0 == memcmp (&v, &other->v, sizeof (v));
@@ -196,16 +202,35 @@ struct hb_set_t
     if (unlikely (in_error)) return;
     if (unlikely (g == INVALID)) return;
     page_t *page = page_for_insert (g);
-    if (!page)
-      return;
+    if (unlikely (!page)) return;
     page->add (g);
   }
   inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
   {
     if (unlikely (in_error)) return;
-    /* TODO Speedup */
-    for (unsigned int i = a; i < b + 1; i++)
-      add (i);
+    unsigned int ma = get_major (a);
+    unsigned int mb = get_major (b);
+    if (ma == mb)
+    {
+      page_t *page = page_for_insert (a);
+      if (unlikely (!page)) return;
+      page->add_range (a, b);
+    }
+    else
+    {
+      page_t *page = page_for_insert (a);
+      if (unlikely (!page)) return;
+      page->add_range (a, major_start (ma + 1) - 1);
+
+      for (unsigned int m = ma + 1; m < mb; m++)
+      {
+	page = page_for_insert (major_start (m));
+	if (unlikely (!page)) return;
+	page->init1 ();
+      }
+
+      page->add_range (major_start (mb), b);
+    }
   }
   inline void del (hb_codepoint_t g)
   {
@@ -433,7 +458,7 @@ struct hb_set_t
 
   static  const hb_codepoint_t INVALID = HB_SET_VALUE_INVALID;
 
-  page_t *page_for_insert (hb_codepoint_t g)
+  inline page_t *page_for_insert (hb_codepoint_t g)
   {
     page_map_t map = {get_major (g), pages.len};
     unsigned int i;
@@ -442,13 +467,13 @@ struct hb_set_t
       if (!resize (pages.len + 1))
 	return nullptr;
 
-      pages[map.index].init ();
+      pages[map.index].init0 ();
       memmove (&page_map[i + 1], &page_map[i], (page_map.len - 1 - i) * sizeof (page_map[0]));
       page_map[i] = map;
     }
     return &pages[page_map[i].index];
   }
-  page_t *page_for (hb_codepoint_t g)
+  inline page_t *page_for (hb_codepoint_t g)
   {
     page_map_t key = {get_major (g)};
     const page_map_t *found = page_map.bsearch (&key);
@@ -456,7 +481,7 @@ struct hb_set_t
       return &pages[found->index];
     return nullptr;
   }
-  const page_t *page_for (hb_codepoint_t g) const
+  inline const page_t *page_for (hb_codepoint_t g) const
   {
     page_map_t key = {get_major (g)};
     const page_map_t *found = page_map.bsearch (&key);
@@ -464,9 +489,10 @@ struct hb_set_t
       return &pages[found->index];
     return nullptr;
   }
-  page_t &page_at (unsigned int i) { return pages[page_map[i].index]; }
-  const page_t &page_at (unsigned int i) const { return pages[page_map[i].index]; }
-  unsigned int get_major (hb_codepoint_t g) const { return g / page_t::PAGE_BITS; }
+  inline page_t &page_at (unsigned int i) { return pages[page_map[i].index]; }
+  inline const page_t &page_at (unsigned int i) const { return pages[page_map[i].index]; }
+  inline unsigned int get_major (hb_codepoint_t g) const { return g / page_t::PAGE_BITS; }
+  inline hb_codepoint_t major_start (unsigned int major) const { return major * page_t::PAGE_BITS; }
 };
 
 

From 9d0194b3a8e0c562249337fa0cf4d72e89334263 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 1 Dec 2017 13:56:06 -0800
Subject: [PATCH 0663/1326] [set] Optimize add_range() some more

It's as good as it gets, and seems to be on par with previous set implementation
in my benchmark.

Would be great if someone can double-check my bitops.
---
 src/hb-set-private.hh | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 0fe010ff9..a47b17a31 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -67,9 +67,19 @@ struct hb_set_t
 
     inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
     {
-      /* TODO Speed up. */
-     for (unsigned int i = a; i < b + 1; i++)
-       add (i);
+     elt_t *la = &elt (a);
+     elt_t *lb = &elt (b);
+     if (la == lb)
+       *la |= (mask (b) << 1) - mask(a);
+     else
+     {
+       *la |= ~(mask (a) - 1);
+
+       memset (la, 0xff, (char *) lb - (char *) la);
+
+       *lb |= ((mask (b) << 1) - 1);
+
+     }
     }
 
     inline bool is_equal (const page_t *other) const

From d5e29303db47a1868fa9b044ca61e146f882179c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 28 Nov 2017 23:11:34 -0800
Subject: [PATCH 0664/1326] [coretext] Add hb_coretext_font_create()

Fixes https://github.com/harfbuzz/harfbuzz/issues/628

New API:
hb_coretext_font_create()
---
 src/hb-coretext.cc | 55 +++++++++++++++++++++++++++++-----------------
 src/hb-coretext.h  |  3 +++
 2 files changed, 38 insertions(+), 20 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 41eb7d6a7..2dd10d2da 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -81,21 +81,12 @@ _hb_cg_font_release (void *data)
   CGFontRelease ((CGFontRef) data);
 }
 
-hb_face_t *
-hb_coretext_face_create (CGFontRef cg_font)
-{
-  return hb_face_create_for_tables (reference_table, CGFontRetain (cg_font), _hb_cg_font_release);
-}
 
 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
 HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
 	fabs (CTFontGetSize((CTFontRef) data) - coretext_font_size (font->ptem)) <= .5
 )
 
-/*
- * shaper face data
- */
-
 static CTFontDescriptorRef
 get_last_resort_font_desc (void)
 {
@@ -267,6 +258,12 @@ _hb_coretext_shaper_face_data_destroy (hb_coretext_shaper_face_data_t *data)
   CFRelease ((CGFontRef) data);
 }
 
+hb_face_t *
+hb_coretext_face_create (CGFontRef cg_font)
+{
+  return hb_face_create_for_tables (reference_table, CGFontRetain (cg_font), _hb_cg_font_release);
+}
+
 /*
  * Since: 0.9.10
  */
@@ -278,10 +275,6 @@ hb_coretext_face_get_cg_font (hb_face_t *face)
 }
 
 
-/*
- * shaper font data
- */
-
 hb_coretext_shaper_font_data_t *
 _hb_coretext_shaper_font_data_create (hb_font_t *font)
 {
@@ -306,6 +299,35 @@ _hb_coretext_shaper_font_data_destroy (hb_coretext_shaper_font_data_t *data)
   CFRelease ((CTFontRef) data);
 }
 
+/*
+ * Since: 1.7.2
+ */
+hb_font_t *
+hb_coretext_font_create (CTFontRef ct_font)
+{
+  CGFontRef cg_font = CTFontCopyGraphicsFont (ct_font, 0);
+  hb_face_t *face = hb_coretext_face_create (cg_font);
+  CFRelease (cg_font);
+  hb_font_t *font = hb_font_create (face);
+  hb_face_destroy (face);
+
+  if (unlikely (hb_object_is_inert (font)))
+    return font;
+
+  /* Let there be dragons here... */
+  HB_SHAPER_DATA_GET (font) = (hb_coretext_shaper_font_data_t *) CFRetain (ct_font);
+
+  return font;
+}
+
+CTFontRef
+hb_coretext_font_get_ct_font (hb_font_t *font)
+{
+  if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return nullptr;
+  return (CTFontRef) HB_SHAPER_DATA_GET (font);
+}
+
+
 
 /*
  * shaper shape_plan data
@@ -328,13 +350,6 @@ _hb_coretext_shaper_shape_plan_data_destroy (hb_coretext_shaper_shape_plan_data_
 {
 }
 
-CTFontRef
-hb_coretext_font_get_ct_font (hb_font_t *font)
-{
-  if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return nullptr;
-  return (CTFontRef)HB_SHAPER_DATA_GET (font);
-}
-
 
 /*
  * shaper
diff --git a/src/hb-coretext.h b/src/hb-coretext.h
index c9136ff4c..4b0a6f01b 100644
--- a/src/hb-coretext.h
+++ b/src/hb-coretext.h
@@ -48,6 +48,9 @@ HB_BEGIN_DECLS
 HB_EXTERN hb_face_t *
 hb_coretext_face_create (CGFontRef cg_font);
 
+HB_EXTERN hb_font_t *
+hb_coretext_font_create (CTFontRef ct_font);
+
 
 HB_EXTERN CGFontRef
 hb_coretext_face_get_cg_font (hb_face_t *face);

From 0744149cdabd85d632822ff810d3994787bca4b7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 2 Dec 2017 15:06:15 -0800
Subject: [PATCH 0665/1326] [set] Protect against bad input in
 hb_set_add_range()

---
 src/hb-set-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index a47b17a31..2b459756d 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -217,7 +217,7 @@ struct hb_set_t
   }
   inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
   {
-    if (unlikely (in_error)) return;
+    if (unlikely (in_error || a > b)) return;
     unsigned int ma = get_major (a);
     unsigned int mb = get_major (b);
     if (ma == mb)

From 20b4672754baf9751642bb37344a6ff4e224dc37 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 2 Dec 2017 15:14:26 -0800
Subject: [PATCH 0666/1326] [set] Fix recent changes

Ouch!

Add tests.
---
 test/api/test-set.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/test/api/test-set.c b/test/api/test-set.c
index 0d0b6a76b..bbea2cf5a 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -86,6 +86,30 @@ test_set_basic (void)
   test_not_empty (s);
   g_assert (!hb_set_has (s, 13));
 
+  hb_set_add_range (s, 200, 800);
+  test_not_empty (s);
+  g_assert (!hb_set_has (s, 100));
+  g_assert (!hb_set_has (s, 199));
+  g_assert (hb_set_has (s, 200));
+  g_assert (hb_set_has (s, 201));
+  g_assert (hb_set_has (s, 243));
+  g_assert (hb_set_has (s, 254));
+  g_assert (hb_set_has (s, 255));
+  g_assert (hb_set_has (s, 256));
+  g_assert (hb_set_has (s, 257));
+  g_assert (hb_set_has (s, 511));
+  g_assert (hb_set_has (s, 512));
+  g_assert (hb_set_has (s, 600));
+  g_assert (hb_set_has (s, 767));
+  g_assert (hb_set_has (s, 768));
+  g_assert (hb_set_has (s, 769));
+  g_assert (hb_set_has (s, 782));
+  g_assert (hb_set_has (s, 798));
+  g_assert (hb_set_has (s, 799));
+  g_assert (hb_set_has (s, 800));
+  g_assert (!hb_set_has (s, 801));
+  g_assert (!hb_set_has (s, 802));
+
   hb_set_destroy (s);
 }
 

From eeb26d21d493183f54704487754d53a127b017ae Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 2 Dec 2017 15:22:04 -0800
Subject: [PATCH 0667/1326] [set] Actually commit fixes mentioned in previous
 commit!

---
 src/hb-set-private.hh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 2b459756d..5971e9b7a 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -35,6 +35,9 @@
  * hb_set_t
  */
 
+/* TODO Keep a free-list so we can free pages that are completely zeroed.  At that
+ * point maybe also use a sentinel value for "all-1" pages? */
+
 struct hb_set_t
 {
   struct page_map_t
@@ -74,6 +77,7 @@ struct hb_set_t
      else
      {
        *la |= ~(mask (a) - 1);
+       la++;
 
        memset (la, 0xff, (char *) lb - (char *) la);
 
@@ -217,7 +221,7 @@ struct hb_set_t
   }
   inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
   {
-    if (unlikely (in_error || a > b)) return;
+    if (unlikely (in_error || a > b || a == INVALID || b == INVALID)) return;
     unsigned int ma = get_major (a);
     unsigned int mb = get_major (b);
     if (ma == mb)
@@ -239,6 +243,8 @@ struct hb_set_t
 	page->init1 ();
       }
 
+      page = page_for_insert (b);
+      if (unlikely (!page)) return;
       page->add_range (major_start (mb), b);
     }
   }
@@ -252,6 +258,7 @@ struct hb_set_t
   }
   inline void del_range (hb_codepoint_t a, hb_codepoint_t b)
   {
+    /* TODO Optimize, like add_range(). */
     if (unlikely (in_error)) return;
     for (unsigned int i = a; i < b + 1; i++)
       del (i);

From 843f7f70355f62511a5d8be3b905c853bf362629 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 4 Dec 2017 08:52:39 -0800
Subject: [PATCH 0668/1326] 1.7.2

---
 NEWS         | 10 ++++++++++
 configure.ac |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 2280d0983..6242ee5c3 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Overview of changes leading to 1.7.2
+Monday, December 4, 2017
+====================================
+
+- Optimize hb_set_add_range().
+- Misc fixes.
+- New API:
+hb_coretext_font_create()
+
+
 Overview of changes leading to 1.7.1
 Tuesday, November 14, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 9fe348905..6d8b5779b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.7.1],
+        [1.7.2],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 0fd89dc61c6a26253aa9bb85e8dfd9faded11440 Mon Sep 17 00:00:00 2001
From: Olivier Blin <olivier.blin@softathome.com>
Date: Mon, 4 Dec 2017 18:58:41 +0100
Subject: [PATCH 0669/1326] [hb-ft] Fix build when Multiple Master font support
 is disabled in freetype

FT_Set_Var_Blend_Coordinates() is not available when "Multiple Master
font interface" is disabled in freetype's modules.cfg
---
 configure.ac         | 1 +
 src/hb-ft.cc         | 2 ++
 util/helper-cairo.cc | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index 6d8b5779b..dc21ad661 100644
--- a/configure.ac
+++ b/configure.ac
@@ -354,6 +354,7 @@ if $have_freetype; then
 	save_libs=$LIBS
 	LIBS="$LIBS $FREETYPE_LIBS"
 	AC_CHECK_FUNCS(FT_Get_Var_Blend_Coordinates)
+	AC_CHECK_FUNCS(FT_Set_Var_Blend_Coordinates)
 	LIBS=$save_libs
 fi
 AM_CONDITIONAL(HAVE_FREETYPE, $have_freetype)
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 0f15f8c3d..4f33e114b 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -747,6 +747,7 @@ hb_ft_font_set_funcs (hb_font_t *font)
     FT_Set_Transform (ft_face, &matrix, nullptr);
   }
 
+#ifdef HAVE_FT_SET_VAR_BLEND_COORDINATES
   unsigned int num_coords;
   const int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
   if (num_coords)
@@ -760,6 +761,7 @@ hb_ft_font_set_funcs (hb_font_t *font)
       free (ft_coords);
     }
   }
+#endif
 
   ft_face->generic.data = blob;
   ft_face->generic.finalizer = (FT_Generic_Finalizer) _release_blob;
diff --git a/util/helper-cairo.cc b/util/helper-cairo.cc
index aac4171a6..b9f498516 100644
--- a/util/helper-cairo.cc
+++ b/util/helper-cairo.cc
@@ -103,6 +103,7 @@ helper_cairo_create_scaled_font (const font_options_t *font_opts)
   }
   else
   {
+#ifdef HAVE_FT_SET_VAR_BLEND_COORDINATES
     unsigned int num_coords;
     const int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
     if (num_coords)
@@ -116,6 +117,7 @@ helper_cairo_create_scaled_font (const font_options_t *font_opts)
 	free (ft_coords);
       }
     }
+#endif
 
     cairo_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0);
   }

From 85bb89a88bdfae02fb7c27c7b994f4f22723442a Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Mon, 4 Dec 2017 15:15:27 -0500
Subject: [PATCH 0670/1326] Fix string matching in parse_bool

---
 src/hb-common.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 92720d9e7..cb1fb43ff 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -784,9 +784,9 @@ parse_bool (const char **pp, const char *end, uint32_t *pv)
     (*pp)++;
 
   /* CSS allows on/off as aliases 1/0. */
-  if (*pp - p == 2 || 0 == strncmp (p, "on", 2))
+  if (*pp - p == 2 && 0 == strncmp (p, "on", 2))
     *pv = 1;
-  else if (*pp - p == 3 || 0 == strncmp (p, "off", 2))
+  else if (*pp - p == 3 && 0 == strncmp (p, "off", 3))
     *pv = 0;
   else
     return false;

From 80c1b01f054c5d65ca96a568aaf1c28ffe97215b Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Tue, 5 Dec 2017 08:28:42 -0500
Subject: [PATCH 0671/1326] Allow digits in language system tags

---
 src/hb-ot-tag.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 0514c41a3..1338c3173 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -920,7 +920,7 @@ hb_ot_tag_from_language (hb_language_t language)
     char tag[4];
     int i;
     s += 6;
-    for (i = 0; i < 4 && ISALPHA (s[i]); i++)
+    for (i = 0; i < 4 && ISALNUM (s[i]); i++)
       tag[i] = TOUPPER (s[i]);
     if (i) {
       for (; i < 4; i++)

From be59f3cbf4e3269ea05d5a707cdae04a32e097ce Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 5 Dec 2017 09:01:28 -0800
Subject: [PATCH 0672/1326] Silence unused-variables warning on MSVC

Fixes https://github.com/harfbuzz/harfbuzz/issues/635
---
 src/hb-private.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 9c55b4bc4..acddd8938 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -112,6 +112,8 @@ extern "C" void  hb_free_impl(void *ptr);
 #endif
 #if __GNUC__ >= 4
 #define HB_UNUSED	__attribute__((unused))
+#elif defined(_MSC_VER) /* https://github.com/harfbuzz/harfbuzz/issues/635 */
+#define HB_UNUSED __pragma(warning(suppress: 4100 4101))
 #else
 #define HB_UNUSED
 #endif

From 0dc03ef75724376927a7d63b991508c2901fcdf9 Mon Sep 17 00:00:00 2001
From: Nathan Willis <nwillis@glyphography.com>
Date: Tue, 5 Dec 2017 17:43:09 +0000
Subject: [PATCH 0673/1326] Indic: always hyphenate pre-base-reordering, for
 clarity.

---
 src/hb-ot-shape-complex-indic.cc | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 7d0e7c5a4..97d6d3828 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -714,7 +714,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
    * following algorithm: starting from the end of the syllable, move backwards
    * until a consonant is found that does not have a below-base or post-base
    * form (post-base forms have to follow below-base forms), or that is not a
-   * pre-base reordering Ra, or arrive at the first consonant. The consonant
+   * pre-base-reordering Ra, or arrive at the first consonant. The consonant
    * stopped at will be the base.
    *
    *   o If the syllable starts with Ra + Halant (in a script that has Reph)
@@ -785,11 +785,11 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	    if (info[i].indic_position() == POS_BELOW_C)
 	      seen_below = true;
 
-	    /* -> or that is not a pre-base reordering Ra,
+	    /* -> or that is not a pre-base-reordering Ra,
 	     *
 	     * IMPLEMENTATION NOTES:
 	     *
-	     * Our pre-base reordering Ra's are marked POS_POST_C, so will be skipped
+	     * Our pre-base-reordering Ra's are marked POS_POST_C, so will be skipped
 	     * by the logic above already.
 	     */
 
@@ -1124,7 +1124,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   unsigned int pref_len = 2;
   if (indic_plan->mask_array[PREF] && base + pref_len < end)
   {
-    /* Find a Halant,Ra sequence and mark it for pre-base reordering processing. */
+    /* Find a Halant,Ra sequence and mark it for pre-base-reordering processing. */
     for (unsigned int i = base + 1; i + pref_len - 1 < end; i++) {
       hb_codepoint_t glyphs[2];
       for (unsigned int j = 0; j < pref_len; j++)
@@ -1518,7 +1518,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 
     /*       3. If reph should be repositioned after the main consonant: find the
      *          first consonant not ligated with main, or find the first
-     *          consonant that is not a potential pre-base reordering Ra.
+     *          consonant that is not a potential pre-base-reordering Ra.
      */
     if (reph_pos == REPH_POS_AFTER_MAIN)
     {
@@ -1607,13 +1607,13 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
   }
 
 
-  /*   o Reorder pre-base reordering consonants:
+  /*   o Reorder pre-base-reordering consonants:
    *
-   *     If a pre-base reordering consonant is found, reorder it according to
+   *     If a pre-base-reordering consonant is found, reorder it according to
    *     the following rules:
    */
 
-  if (try_pref && base + 1 < end) /* Otherwise there can't be any pre-base reordering Ra. */
+  if (try_pref && base + 1 < end) /* Otherwise there can't be any pre-base-reordering Ra. */
   {
     for (unsigned int i = base + 1; i < end; i++)
       if ((info[i].mask & indic_plan->mask_array[PREF]) != 0)

From 353cc6fbf09d16aad18b48a3a46ec7dd348aedc6 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Wed, 6 Dec 2017 00:04:30 +0330
Subject: [PATCH 0674/1326] [ci] Fix appveyor badge

---
 README | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README b/README
index 4303222a4..aa055169d 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 [![Build Status](https://travis-ci.org/harfbuzz/harfbuzz.svg)](https://travis-ci.org/harfbuzz/harfbuzz)
-[![Build Status](https://ci.appveyor.com/api/projects/status/4oaq58ns2h0m2soa?svg=true)](https://ci.appveyor.com/project/harfbuzz/harfbuzz)
+[![Build status](https://ci.appveyor.com/api/projects/status/0t0flrxpstj9lb9w?svg=true)](https://ci.appveyor.com/project/harfbuzz/harfbuzz)
 [![CircleCI](https://circleci.com/gh/harfbuzz/harfbuzz.svg?style=svg)](https://circleci.com/gh/harfbuzz/harfbuzz)
 [![Coverage Status](https://img.shields.io/coveralls/harfbuzz/harfbuzz.svg)](https://coveralls.io/r/harfbuzz/harfbuzz)
 [ABI Tracker](http://abi-laboratory.pro/tracker/timeline/harfbuzz/)

From 03b7a221f701a9b003890878e730ad175c3fdd86 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 5 Dec 2017 13:12:11 -0800
Subject: [PATCH 0675/1326] [debug] Use %p to print pointers

Fixes https://github.com/harfbuzz/harfbuzz/issues/640
---
 src/hb-debug.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-debug.hh b/src/hb-debug.hh
index 20dead65b..213e54322 100644
--- a/src/hb-debug.hh
+++ b/src/hb-debug.hh
@@ -93,7 +93,7 @@ _hb_debug_msg_va (const char *what,
   fprintf (stderr, "%-10s", what ? what : "");
 
   if (obj)
-    fprintf (stderr, "(%0*lx) ", (unsigned int) (2 * sizeof (void *)), (unsigned long) obj);
+    fprintf (stderr, "(%*p) ", (unsigned int) (2 * sizeof (void *)), obj);
   else
     fprintf (stderr, " %*s  ", (unsigned int) (2 * sizeof (void *)), "");
 

From b6f505c7164e302d2990cf056b73e918a641e976 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 6 Dec 2017 13:51:04 +0330
Subject: [PATCH 0676/1326] [ci] Enable glib and freetype on appveyor cmake
 (#643)

---
 appveyor.yml | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index c27a899f9..9857cef9c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,19 +2,23 @@ platform: x64
 
 environment:
   matrix:
-    - compiler: cmake
+    - compiler: msvc
       generator: Visual Studio 14
       platform: Win32
       configuration: Debug
-    - compiler: cmake
+      triplet: x86-windows
+    - compiler: msvc
       generator: Visual Studio 14 Win64
       platform: x64
       configuration: Debug
-    - compiler: cmake
+      triplet: x64-windows
+
+    - compiler: msvc
       generator: Visual Studio 14 ARM
       platform: ARM
       configuration: Debug
 
+
     - compiler: msys2
       MINGW_PREFIX: /c/msys2/mingw64/
       MINGW_CHOST: x86_64-w64-mingw32
@@ -28,14 +32,23 @@ install:
   - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-ragel"
 
 build_script:
-  - 'if "%compiler%"=="cmake" md build'
-  - 'if "%compiler%"=="cmake" cd build'
-  - 'if "%compiler%"=="cmake" set PATH=%PATH%;C:\Program Files (x86)\MSBuild\14.0\Bin;c:\msys64\mingw64\bin' # msys2 is added just for having "ragel" on PATH
-  - 'if "%compiler%"=="cmake" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -G "%generator%" ../'
-  - 'if "%compiler%"=="cmake" msbuild harfbuzz.sln /p:Configuration=%configuration% /p:Platform=%platform%'
+  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" vcpkg install glib:%triplet% freetype:%triplet%'
+  - 'if "%compiler%"=="msvc" md build'
+  - 'if "%compiler%"=="msvc" cd build'
+  - 'if "%compiler%"=="msvc" set PATH=%PATH%;C:\Program Files (x86)\MSBuild\14.0\Bin;c:\msys64\mingw64\bin' # msys2 is added just for having "ragel" on PATH
+
+  - 'if "%compiler%"=="msvc" if "%platform%"=="ARM" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -G "%generator%" ../'
+  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_FREETYPE=ON -G "%generator%" -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ../'
+
+  - 'if "%compiler%"=="msvc" msbuild harfbuzz.sln /p:Configuration=%configuration% /p:Platform=%platform%'
+
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat */test-suite.log test/*/test-suite.log && false)"'
 
+cache:
+  - c:\tools\vcpkg\installed\
+  - c:\msys64\
+
 # disable automatic tests
 test: off

From 7af48a3f37abac0aa1a1ad79c98399a9a71bd903 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 6 Dec 2017 14:22:19 +0330
Subject: [PATCH 0677/1326] [ci] Don't cache msys2 folder

---
 appveyor.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/appveyor.yml b/appveyor.yml
index 9857cef9c..9bcdb58db 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -48,7 +48,6 @@ build_script:
 
 cache:
   - c:\tools\vcpkg\installed\
-  - c:\msys64\
 
 # disable automatic tests
 test: off

From f19126dd35b03f6e05a67cbc406b3ce4a3e35022 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Tue, 5 Dec 2017 22:52:54 +0200
Subject: [PATCH 0678/1326] =?UTF-8?q?We=20are=20already=20inside=20?=
 =?UTF-8?q?=E2=80=9Cif=20HAVE=5FGLIB=E2=80=9D=20check?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 test/api/Makefile.am | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 530bf3ede..231ec22de 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -31,11 +31,11 @@ TEST_PROGS = \
 	test-version \
 	$(NULL)
 
-test_unicode_CPPFLAGS = $(AM_CPPFLAGS)
+test_unicode_CPPFLAGS = \
+	$(AM_CPPFLAGS) \
+	$(GLIB_CFLAGS) \
+	$(NULL)
 test_unicode_LDADD = $(LDADD)
-if HAVE_GLIB
-test_unicode_CPPFLAGS += $(GLIB_CFLAGS)
-endif
 if HAVE_ICU
 test_unicode_CPPFLAGS += $(ICU_CFLAGS)
 test_unicode_LDADD += $(top_builddir)/src/libharfbuzz-icu.la $(ICU_LIBS)
@@ -149,12 +149,12 @@ check-symbols: symbols-untested.txt
 
 
 
-else
+else # !HAVE_GLIB
 check-am: err-glib
 err-glib:
 	@echo "You need to have glib support enabled to run the tests"
 	@exit 77
-endif
+endif # HAVE_GLIB
 
 .PHONY: check-symbols check-tool check-valgrind
 

From c8609551485cfca6f9629c565b9dd5f02aa14f3e Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 6 Dec 2017 00:43:28 +0200
Subject: [PATCH 0679/1326] Add API tests to cmake build

---
 CMakeLists.txt          |  5 +++++
 test/CMakeLists.txt     |  1 +
 test/api/CMakeLists.txt | 39 +++++++++++++++++++++++++++++++++++++++
 test/api/hb-test.h      |  2 ++
 test/api/test-c.c       |  2 ++
 5 files changed, 49 insertions(+)
 create mode 100644 test/CMakeLists.txt
 create mode 100644 test/api/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 235760990..24ccb6fce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 2.8.0)
 project(harfbuzz)
 
+enable_testing()
 
 ## Limit framework build to Xcode generator
 if (BUILD_FRAMEWORK)
@@ -683,3 +684,7 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
     endif ()
   endif ()
 endif ()
+
+# Needs to come last so that variables defined above are passed to
+# subdirectories.
+add_subdirectory(test)
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
new file mode 100644
index 000000000..53d257b04
--- /dev/null
+++ b/test/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(api)
diff --git a/test/api/CMakeLists.txt b/test/api/CMakeLists.txt
new file mode 100644
index 000000000..4e786ba6b
--- /dev/null
+++ b/test/api/CMakeLists.txt
@@ -0,0 +1,39 @@
+macro (_add_tests)
+  foreach(test_name ${ARGV})
+    if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${test_name}.c)
+      add_executable (${test_name} ${test_name}.c)
+    elseif (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${test_name}.cc)
+      add_executable (${test_name} ${test_name}.cc)
+    else ()
+      message(FATAL_ERROR "No source file found for test ${test_name}")
+    endif ()
+    target_link_libraries (${test_name} harfbuzz)
+    add_test (${test_name} ${test_name})
+  endforeach ()
+  set_tests_properties (${ARGV} PROPERTIES ENVIRONMENT
+    "G_TEST_SRCDIR=${CMAKE_CURRENT_SOURCE_DIR};G_TEST_BUILDDIR=${CMAKE_CURRENT_BINARY_DIR}"
+    )
+endmacro ()
+
+if (HB_HAVE_GLIB)
+  _add_tests (
+    test-blob
+    test-buffer
+    test-common
+    test-font
+    test-object
+    test-set
+    test-shape
+    test-unicode
+    test-version
+    test-ot-tag
+    test-c
+    test-cplusplus
+    )
+
+  if (HB_HAVE_FREETYPE)
+    _add_tests (
+      test-ot-math
+      )
+  endif (HB_HAVE_FREETYPE)
+endif (HB_HAVE_GLIB)
diff --git a/test/api/hb-test.h b/test/api/hb-test.h
index 4d41218bf..040f0c217 100644
--- a/test/api/hb-test.h
+++ b/test/api/hb-test.h
@@ -27,7 +27,9 @@
 #ifndef HB_TEST_H
 #define HB_TEST_H
 
+#ifdef HAVE_CONFIG_H
 #include <config.h>
+#endif
 
 #include <hb-glib.h>
 
diff --git a/test/api/test-c.c b/test/api/test-c.c
index 6e8602f78..4b43b8379 100644
--- a/test/api/test-c.c
+++ b/test/api/test-c.c
@@ -27,7 +27,9 @@
 /* This file tests that all headers can be included from .c files */
 
 
+#ifdef HAVE_CONFIG_H
 #include <config.h>
+#endif
 
 #include <hb.h>
 

From 840a32e3f3ed0a85bfa84e69efaeb504d92d1aa7 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 6 Dec 2017 00:49:25 +0200
Subject: [PATCH 0680/1326] Run cmake tests on CI builds

---
 .circleci/config.yml | 6 ++++--
 appveyor.yml         | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 370252a9c..63ce29116 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -41,8 +41,10 @@ jobs:
       - image: dockcross/base
     steps:
       - checkout
-      - run: apt update && apt install ragel
-      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+      - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja
+      - run: ninja -Cbuild
+      - run: ninja -Cbuild test
 
   psvita:
     docker:
diff --git a/appveyor.yml b/appveyor.yml
index 9bcdb58db..926b50d2f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -41,7 +41,7 @@ build_script:
   - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_FREETYPE=ON -G "%generator%" -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ../'
 
   - 'if "%compiler%"=="msvc" msbuild harfbuzz.sln /p:Configuration=%configuration% /p:Platform=%platform%'
-
+  - 'if "%compiler%"=="msvc" ctest'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat */test-suite.log test/*/test-suite.log && false)"'

From 5a6d2b986a02fc47fa9dcbb330e6949af8e375ff Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Wed, 6 Dec 2017 18:27:27 +0330
Subject: [PATCH 0681/1326] [ci] minor improvements (#644)

---
 .circleci/config.yml | 3 +++
 appveyor.yml         | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 63ce29116..277386350 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,6 +11,8 @@ jobs:
       - run: wget http://$ODSUSER:$ODSPASS@behdad.org/harfbuzz-private/OracleDeveloperStudio12.6-linux-x86-bin.tar.bz2 && tar xf OracleDeveloperStudio12.6-linux-x86-bin.tar.bz2 --owner root --group root --no-same-owner
       - run: CC=/root/project/OracleDeveloperStudio12.6-linux-x86-bin/developerstudio12.6/bin/suncc CXX=/root/project/OracleDeveloperStudio12.6-linux-x86-bin/developerstudio12.6/bin/sunCC cmake -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_HAVE_FREETYPE=ON -Bbuild -H.
       - run: make -Cbuild
+      - run: make -Cbuild test
+      - run: make -Cbuild install
 
   fedora:
     docker:
@@ -45,6 +47,7 @@ jobs:
       - run: cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja
       - run: ninja -Cbuild
       - run: ninja -Cbuild test
+      - run: ninja -Cbuild install
 
   psvita:
     docker:
diff --git a/appveyor.yml b/appveyor.yml
index 926b50d2f..9a34052bb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -41,7 +41,7 @@ build_script:
   - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_FREETYPE=ON -G "%generator%" -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ../'
 
   - 'if "%compiler%"=="msvc" msbuild harfbuzz.sln /p:Configuration=%configuration% /p:Platform=%platform%'
-  - 'if "%compiler%"=="msvc" ctest'
+  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" ctest'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat */test-suite.log test/*/test-suite.log && false)"'

From 3ce6c7bd96296a44950110e84ade76c7c1df06e4 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 6 Dec 2017 21:08:20 +0200
Subject: [PATCH 0682/1326] [ci] Sort out Travis configuration

Use a matrix to avoid a gazillion if's.
---
 .ci/deploy-docs.sh   |  2 ++
 .ci/run-coveralls.sh | 14 +++++++++
 .travis.yml          | 69 +++++++++++++++++++++++++++-----------------
 3 files changed, 58 insertions(+), 27 deletions(-)
 create mode 100755 .ci/run-coveralls.sh

diff --git a/.ci/deploy-docs.sh b/.ci/deploy-docs.sh
index 086982b36..a8a852331 100755
--- a/.ci/deploy-docs.sh
+++ b/.ci/deploy-docs.sh
@@ -3,6 +3,8 @@
 set -x
 set -o errexit -o nounset
 
+if test "x$TRAVIS_SECURE_ENV_VARS" != xtrue; then exit; fi
+
 BRANCH="$TRAVIS_BRANCH"
 if test "x$BRANCH" != xmaster; then exit; fi
 
diff --git a/.ci/run-coveralls.sh b/.ci/run-coveralls.sh
new file mode 100755
index 000000000..58b83114b
--- /dev/null
+++ b/.ci/run-coveralls.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -x
+set -o errexit -o nounset
+
+if test "x$TRAVIS_SLUG" != x"harfbuzz/harfbuzz"; then exit; fi
+
+pip install --user nose
+pip install --user cpp-coveralls
+export PATH=$HOME/.local/bin:$PATH
+
+rm -f src/.libs/NONE.gcov
+touch src/NONE
+coveralls -e docs
diff --git a/.travis.yml b/.travis.yml
index 315e5ce4d..5b5ae0e71 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,39 +1,54 @@
 # Build Configuration for Travis
-sudo: required # For Trusty beta
-os:
-  - linux
-  - osx
 dist: trusty
+
 language: cpp
-compiler:
-  - clang
-  - gcc
+
 env:
   global:
     - CPPFLAGS=""
     - CFLAGS="-Werror --coverage"
     - CXXFLAGS="-Werror -Wno-deprecated-register --coverage" # glib uses register and clang raises a warning
     - LDFLAGS="--coverage"
-install:
-  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then pip install --user nose; fi
-  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then pip install --user cpp-coveralls; fi # for coveralls.io code coverage tracking
-  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then export PATH=$HOME/.local/bin:$PATH; fi # Make sure we can find the above Python packages
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then export CXXFLAGS="$CXXFLAGS -Wno-deprecated-declarations"; fi; # https://github.com/harfbuzz/harfbuzz/issues/345
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi;
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew uninstall libtool && brew install libtool; fi # Workaround Travis/brew bug
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install ragel freetype glib gobject-introspection cairo icu4c graphite2; fi
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew link --force icu4c; fi # icu4c is keg-only
-script:
-  - NOCONFIGURE=1 ./autogen.sh
-  - export CONFIGURE_OPTS="--with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2"
-  - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" ]; then export CONFIGURE_OPTS="$CONFIGURE_OPTS  --enable-gtk-doc"; fi
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then export CONFIGURE_OPTS="$CONFIGURE_OPTS --with-coretext"; fi
-  - ./configure $CONFIGURE_OPTS
-  - make
-  - make check || (cat */test-suite.log test/*/test-suite.log && false)
-  - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SLUG" == "harfbuzz/harfbuzz" ]; then rm -f src/.libs/NONE.gcov; touch src/NONE; coveralls -e docs; fi
-after_success:
-  - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" == "gcc" -a "$TRAVIS_SECURE_ENV_VARS" == "true" ]; then bash .ci/deploy-docs.sh; fi
+    - CONFIGURE_OPTS="--with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2"
+    - NOCONFIGURE=1
+
+matrix:
+  include:
+    - os: linux
+      compiler: gcc
+      script:
+        - ./autogen.sh
+        - ./configure $CONFIGURE_OPTS --enable-gtk-doc
+        - make
+        - make check || (cat */test-suite.log test/*/test-suite.log && false)
+      after_success:
+        - bash .ci/run-coveralls.sh # for coveralls.io code coverage tracking
+        - bash .ci/deploy-docs.sh
+
+    - os: linux
+      compiler: clang
+      script:
+        - ./autogen.sh
+        - ./configure $CONFIGURE_OPTS
+        - make
+        - make check || (cat */test-suite.log test/*/test-suite.log && false)
+
+    - os: osx
+      compiler: clang
+      install:
+          # https://github.com/harfbuzz/harfbuzz/issues/345
+        - export CXXFLAGS="$CXXFLAGS -Wno-deprecated-declarations"
+        - brew update;
+          # Workaround Travis/brew bug
+        - brew uninstall libtool && brew install libtool
+        - brew install ragel freetype glib gobject-introspection cairo icu4c graphite2
+        - brew link --force icu4c # icu4c is keg-only
+      script:
+        - ./autogen.sh
+        - ./configure $CONFIGURE_OPTS --with-coretext
+        - make
+        - make check || (cat */test-suite.log test/*/test-suite.log && false)
+
 notifications:
   irc: "irc.freenode.org#harfbuzz"
   email: harfbuzz@lists.freedesktop.org

From 5f061d27d5289c7608a6579dca668b1f5be7f4e8 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 7 Dec 2017 11:22:55 +0330
Subject: [PATCH 0683/1326] Rewrite run-tests in python (#647)

---
 test/shaping/Makefile.am  |   4 +-
 test/shaping/run-tests.py | 115 ++++++++++++++++++++++++++++++++++++++
 test/shaping/run-tests.sh |  65 ---------------------
 3 files changed, 117 insertions(+), 67 deletions(-)
 create mode 100755 test/shaping/run-tests.py
 delete mode 100755 test/shaping/run-tests.sh

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 592754b29..4cf55749b 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -26,7 +26,7 @@ EXTRA_DIST += \
 	hb-unicode-encode \
 	hb-unicode-prettyname \
 	record-test.sh \
-	run-tests.sh \
+	run-tests.py \
 	texts/in-tree \
 	fonts/sha1sum \
 	$(TESTS) \
@@ -104,7 +104,7 @@ TESTS_ENVIRONMENT = \
 	$(NULL)
 endif
 
-TESTS_LOG_COMPILER = sh $(srcdir)/run-tests.sh
+TESTS_LOG_COMPILER = python $(srcdir)/run-tests.py
 
 .PHONY: manifests
 
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
new file mode 100755
index 000000000..a9aec0c6c
--- /dev/null
+++ b/test/shaping/run-tests.py
@@ -0,0 +1,115 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+import sys, os, subprocess
+
+
+try:
+	input = raw_input
+except NameError:
+	pass
+
+
+def cmd(command):
+	p = subprocess.Popen (
+		command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+	p.wait ()
+	print (p.stderr.read (), file=sys.stderr)
+	return p.stdout.read ().decode ("utf-8"), p.returncode
+
+
+srcdir = os.environ.get ("srcdir", ".")
+builddir = os.environ.get ("builddir", ".")
+top_builddir = os.environ.get ("top_builddir",
+	os.path.normpath (os.path.join (os.getcwd (), "..", "..")))
+EXEEXT = os.environ.get ("EXEEXT", "")
+
+extra_options = "--verify"
+hb_shape = os.path.join (top_builddir, "util", "hb-shape" + EXEEXT)
+
+fails = 0
+args = sys.argv[1:]
+
+reference = False
+if len (args) and args[0] == "--reference":
+	reference = True
+	args = args[1:]
+
+if not len (args):
+	args = [sys.stdin]
+
+for f in args:
+	if not reference:
+		if f == sys.stdin:
+			print ("Running tests from standard input")
+		else:
+			print ("Running tests in " + f)
+
+	if f == sys.stdin:
+		def f():
+			while True:
+				try:
+					line = input ()
+				except EOFError:
+					break
+
+				if len (line):
+					yield line
+				else:
+					break
+		f = f()
+	else:
+		f = open (f)
+
+	for line in f:
+		if line.startswith ("#"):
+			continue
+
+		fontfile, options, unicodes, glyphs_expected = line.split (":")
+		if not reference:
+			print ("# hb-shape %s --unicodes %s" % (fontfile, unicodes))
+
+		if not reference:
+			print ("hb-shape %s %s %s --unicodes %s" %
+					 (fontfile, extra_options, options, unicodes))
+
+		glyphs1, returncode = cmd ([hb_shape, "--font-funcs=ft",
+			os.path.join (srcdir, fontfile), extra_options, "--unicodes",
+			unicodes] + (options.split (' ') if len(options) else []))
+
+		if returncode:
+			print ("hb-shape --font-funcs=ft failed.", file=sys.stderr)
+			fails = fails + 1
+			#continue
+
+		glyphs2, returncode = cmd ([hb_shape, "--font-funcs=ot",
+			os.path.join (srcdir, fontfile), extra_options, "--unicodes",
+			unicodes] + (options.split (' ') if len(options) else []))
+
+		if returncode:
+			print ("hb-shape --font-funcs=ot failed.", file=sys.stderr)
+			fails = fails + 1
+			#continue
+
+		if glyphs1 != glyphs2:
+			print ("FT funcs: " + glyphs1, file=sys.stderr)
+			print ("OT funcs: " + glyphs2, file=sys.stderr)
+			fails = fails + 1
+
+		if reference:
+			print (":".join ([fontfile, options, unicodes, glyphs1]))
+			continue
+
+		if glyphs1.strip() != glyphs_expected.strip():
+			print ("Actual:   " + glyphs1, file=sys.stderr)
+			print ("Expected: " + glyphs_expected, file=sys.stderr)
+			fails = fails + 1
+
+if fails != 0:
+	if not reference:
+		print (str (fails) + " tests failed.")
+	sys.exit (1)
+
+else:
+	if not reference:
+		print ("All tests passed.")
diff --git a/test/shaping/run-tests.sh b/test/shaping/run-tests.sh
deleted file mode 100755
index 5fa8017cb..000000000
--- a/test/shaping/run-tests.sh
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/bin/sh
-
-test "x$srcdir" = x && srcdir=.
-test "x$builddir" = x && builddir=.
-test "x$top_builddir" = x && top_builddir=../..
-
-extra_options="--verify"
-hb_shape="$top_builddir/util/hb-shape$EXEEXT"
-#hb_shape="$top_builddir/util/hb-shape$EXEEXT"
-
-fails=0
-
-reference=false
-if test "x$1" = x--reference; then
-	reference=true
-	shift
-fi
-
-if test $# = 0; then
-	set /dev/stdin
-fi
-
-for f in "$@"; do
-	$reference || echo "Running tests in $f"
-	while IFS=: read fontfile options unicodes glyphs_expected; do
-		if echo "$fontfile" | grep -q '^#'; then
-			$reference || echo "# hb-shape $fontfile --unicodes $unicodes"
-			continue
-		fi
-		$reference || echo "hb-shape $fontfile $extra_options $options --unicodes $unicodes"
-		glyphs1=`$hb_shape --font-funcs=ft "$srcdir/$fontfile" $extra_options $options --unicodes "$unicodes"`
-		if test $? != 0; then
-			echo "hb-shape --font-funcs=ft failed." >&2
-			fails=$((fails+1))
-			#continue
-		fi
-		glyphs2=`$hb_shape --font-funcs=ot "$srcdir/$fontfile" $extra_options $options --unicodes "$unicodes"`
-		if test $? != 0; then
-			echo "hb-shape --font-funcs=ot failed." >&2
-			fails=$((fails+1))
-			#continue
-		fi
-		if ! test "x$glyphs1" = "x$glyphs2"; then
-			echo "FT funcs: $glyphs1" >&2
-			echo "OT funcs: $glyphs2" >&2
-			fails=$((fails+1))
-		fi
-		if $reference; then
-			echo "$fontfile:$options:$unicodes:$glyphs1"
-			continue
-		fi
-		if ! test "x$glyphs1" = "x$glyphs_expected"; then
-			echo "Actual:   $glyphs1" >&2
-			echo "Expected: $glyphs_expected" >&2
-			fails=$((fails+1))
-		fi
-	done < "$f"
-done
-
-if test $fails != 0; then
-	$reference || echo "$fails tests failed."
-	exit 1
-else
-	$reference || echo "All tests passed."
-fi

From 71ad2777c52aeb0842038881899499a49cb895f2 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 7 Dec 2017 11:35:36 +0330
Subject: [PATCH 0684/1326] [ci] Add an after distribution test runner (#648)

---
 .circleci/config.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 277386350..2824bfdb6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -49,6 +49,15 @@ jobs:
       - run: ninja -Cbuild test
       - run: ninja -Cbuild install
 
+  distdir:
+    docker:
+      - image: dockcross/base
+    steps:
+      - checkout
+      - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: ./autogen.sh && make distdir
+      - run: cd harfbuzz-* && ./configure && make && make check && make install
+
   psvita:
     docker:
       - image: dockcross/base
@@ -107,6 +116,7 @@ workflows:
       - archlinux
       - freebsd9
       - base
+      - distdir
       - psvita
       - android-arm
       - browser-asmjs

From 20e69c950d431391f92335f8845e5d4291aca8f3 Mon Sep 17 00:00:00 2001
From: ebraminio <ebrahim@gnu.org>
Date: Thu, 7 Dec 2017 12:24:12 +0330
Subject: [PATCH 0685/1326] [test] print commented line, like the original
 script (#649)

---
 test/shaping/run-tests.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index a9aec0c6c..ebba75aae 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -62,12 +62,12 @@ for f in args:
 		f = open (f)
 
 	for line in f:
-		if line.startswith ("#"):
-			continue
-
 		fontfile, options, unicodes, glyphs_expected = line.split (":")
-		if not reference:
-			print ("# hb-shape %s --unicodes %s" % (fontfile, unicodes))
+
+		if line.startswith ("#"):
+			if not reference:
+				print ("# hb-shape %s --unicodes %s" % (fontfile, unicodes))
+			continue
 
 		if not reference:
 			print ("hb-shape %s %s %s --unicodes %s" %

From 0fe62c1f333200523e10663f47a58b82e3f22154 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 13 Dec 2017 13:12:20 -0800
Subject: [PATCH 0686/1326] [set] Add add_array()

To be used to optimize adding a whole bunch of (sorted) items at the same time,
as in CoverageFormat1.
---
 src/hb-ot-layout-common-private.hh |  4 +---
 src/hb-set-digest-private.hh       | 12 ++++++++++++
 src/hb-set-private.hh              |  6 ++++++
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 86a74ccb6..82ace31bb 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -716,9 +716,7 @@ struct CoverageFormat1
 
   template <typename set_t>
   inline void add_coverage (set_t *glyphs) const {
-    unsigned int count = glyphArray.len;
-    for (unsigned int i = 0; i < count; i++)
-      glyphs->add (glyphArray[i]);
+    glyphs->add_array (glyphArray.array, glyphArray.len);
   }
 
   public:
diff --git a/src/hb-set-digest-private.hh b/src/hb-set-digest-private.hh
index 9135136c0..750870855 100644
--- a/src/hb-set-digest-private.hh
+++ b/src/hb-set-digest-private.hh
@@ -80,6 +80,12 @@ struct hb_set_digest_lowest_bits_t
       mask |= mb + (mb - ma) - (mb < ma);
     }
   }
+  template <typename T>
+  inline void add_array (const T *array, unsigned int count)
+  {
+    for (unsigned int i = 0; i < count; i++)
+      add (array[i]);
+  }
 
   inline bool may_have (hb_codepoint_t g) const {
     return !!(mask & mask_for (g));
@@ -112,6 +118,12 @@ struct hb_set_digest_combiner_t
     head.add_range (a, b);
     tail.add_range (a, b);
   }
+  template <typename T>
+  inline void add_array (const T *array, unsigned int count)
+  {
+    head.add_array (array, count);
+    tail.add_array (array, count);
+  }
 
   inline bool may_have (hb_codepoint_t g) const {
     return head.may_have (g) && tail.may_have (g);
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 5971e9b7a..e3048657a 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -248,6 +248,12 @@ struct hb_set_t
       page->add_range (major_start (mb), b);
     }
   }
+  template <typename T>
+  inline void add_array (const T *array, unsigned int count)
+  {
+    for (unsigned int i = 0; i < count; i++)
+      add (array[i]);
+  }
   inline void del (hb_codepoint_t g)
   {
     if (unlikely (in_error)) return;

From f424a342233ae32bbfabbdeadf59c82420b0880b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 14 Dec 2017 13:30:38 -0800
Subject: [PATCH 0687/1326] [set] Change pagesize from 512 bits to 8192 bits

Fixes perf regression on some heavy fonts in Chrome's FT+HB
interaction.

See:
https://bugs.chromium.org/p/chromium/issues/detail?id=782220

More work to be done:
https://bugs.chromium.org/p/chromium/issues/detail?id=794896
---
 src/hb-set-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index e3048657a..c9305ec92 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -151,7 +151,7 @@ struct hb_set_t
       return 0;
     }
 
-    static const unsigned int PAGE_BITS = 512; /* Use to tune. */
+    static const unsigned int PAGE_BITS = 8192; /* Use to tune. */
     static_assert ((PAGE_BITS & ((PAGE_BITS) - 1)) == 0, "");
 
     typedef uint64_t elt_t;

From 9daa88cd790b80a8bc7eaae2e7eec6f2f9fc60cf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 14 Dec 2017 13:37:48 -0800
Subject: [PATCH 0688/1326] Minor

---
 src/hb-set-private.hh | 11 +++++++++++
 src/hb-set.cc         |  6 ++----
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index c9305ec92..95c154496 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -184,6 +184,17 @@ struct hb_set_t
   hb_prealloced_array_t<page_map_t, 8> page_map;
   hb_prealloced_array_t<page_t, 8> pages;
 
+  inline void init (void)
+  {
+    page_map.init ();
+    pages.init ();
+  }
+  inline void finish (void)
+  {
+    page_map.finish ();
+    pages.finish ();
+  }
+
   inline bool resize (unsigned int count)
   {
     if (unlikely (in_error)) return false;
diff --git a/src/hb-set.cc b/src/hb-set.cc
index e2c788225..0b4f871e8 100644
--- a/src/hb-set.cc
+++ b/src/hb-set.cc
@@ -45,8 +45,7 @@ hb_set_create (void)
   if (!(set = hb_object_create<hb_set_t> ()))
     return hb_set_get_empty ();
 
-  set->page_map.init ();
-  set->pages.init ();
+  set->init ();
 
   return set;
 }
@@ -96,8 +95,7 @@ hb_set_destroy (hb_set_t *set)
 {
   if (!hb_object_destroy (set)) return;
 
-  set->page_map.finish ();
-  set->pages.finish ();
+  set->finish ();
 
   free (set);
 }

From ae2e2b068e1ab68d1f814165cb86fa38deef1f5b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 14 Dec 2017 18:15:14 -0800
Subject: [PATCH 0689/1326] Fix partial tracing debug builds

---
 src/hb-debug.hh | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/hb-debug.hh b/src/hb-debug.hh
index 213e54322..6c425f7b9 100644
--- a/src/hb-debug.hh
+++ b/src/hb-debug.hh
@@ -220,8 +220,8 @@ template <>
 {}
 
 template <int max_level, typename ret_t>
-struct hb_auto_trace_t {
-
+struct hb_auto_trace_t
+{
   explicit inline hb_auto_trace_t (unsigned int *plevel_,
 				   const char *what_,
 				   const void *obj_,
@@ -269,7 +269,17 @@ struct hb_auto_trace_t {
   bool returned;
 };
 template <typename ret_t> /* Make sure we don't use hb_auto_trace_t when not tracing. */
-struct hb_auto_trace_t<0, ret_t>;
+struct hb_auto_trace_t<0, ret_t>
+{
+  explicit inline hb_auto_trace_t (unsigned int *plevel_,
+				   const char *what_,
+				   const void *obj_,
+				   const char *func,
+				   const char *message,
+				   ...) HB_PRINTF_FUNC(6, 7) {}
+
+  inline ret_t ret (ret_t v, unsigned int line HB_UNUSED = 0) { return v; }
+};
 
 /* For disabled tracing; optimize out everything.
  * https://github.com/harfbuzz/harfbuzz/pull/605 */

From 9d6511a7343ba150e8072e5fe91732db54a92309 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 14 Dec 2017 19:04:55 -0800
Subject: [PATCH 0690/1326] [set] Reduce number of preallocated pages from 8 to
 1

Now that pagesize is 8192, this feels better.
---
 src/hb-set-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 95c154496..04f22c5dd 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -182,7 +182,7 @@ struct hb_set_t
   ASSERT_POD ();
   bool in_error;
   hb_prealloced_array_t<page_map_t, 8> page_map;
-  hb_prealloced_array_t<page_t, 8> pages;
+  hb_prealloced_array_t<page_t, 1> pages;
 
   inline void init (void)
   {

From 5d02572034e3dafbe87000fd0aa34b858bd95075 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 14 Dec 2017 19:33:55 -0800
Subject: [PATCH 0691/1326] [set] Add add_sorted_array()

Not optimized to use sortedness yet.  Also start putting in place infra
to faster reject bad data.

A version of Chandas.ttf found on some Chrome bots has 660kb of GPOS,
mostly junk.  That is causing 48 million of set->add() calls in
collect_glyphs(), which is insane.

In the upcoming commits, I'll be speeding that up by optimizing
add_sorted_array(), while also reducing work by rejecting out-of-sort
arrays quickly and propagate the rejection.

Part of https://bugs.chromium.org/p/chromium/issues/detail?id=794896
---
 src/hb-ot-layout-common-private.hh   | 51 ++++++++++++++++++----------
 src/hb-ot-layout-gdef-table.hh       |  2 +-
 src/hb-ot-layout-gpos-table.hh       | 10 +++---
 src/hb-ot-layout-gsubgpos-private.hh |  2 +-
 src/hb-set-digest-private.hh         | 31 ++++++++++++++---
 src/hb-set-private.hh                | 21 ++++++++++--
 6 files changed, 84 insertions(+), 33 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 82ace31bb..47a05b5ec 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -155,8 +155,9 @@ struct RangeRecord
   }
 
   template <typename set_t>
-  inline void add_coverage (set_t *glyphs) const {
+  inline bool add_coverage (set_t *glyphs) const {
     glyphs->add_range (start, end);
+    return likely (start <= end);
   }
 
   GlyphID	start;		/* First GlyphID in the range */
@@ -715,8 +716,8 @@ struct CoverageFormat1
   }
 
   template <typename set_t>
-  inline void add_coverage (set_t *glyphs) const {
-    glyphs->add_array (glyphArray.array, glyphArray.len);
+  inline bool add_coverage (set_t *glyphs) const {
+    return glyphs->add_sorted_array (glyphArray.array, glyphArray.len);
   }
 
   public:
@@ -815,10 +816,12 @@ struct CoverageFormat2
   }
 
   template <typename set_t>
-  inline void add_coverage (set_t *glyphs) const {
+  inline bool add_coverage (set_t *glyphs) const {
     unsigned int count = rangeRecord.len;
     for (unsigned int i = 0; i < count; i++)
-      rangeRecord[i].add_coverage (glyphs);
+      if (unlikely (!rangeRecord[i].add_coverage (glyphs)))
+        return false;
+    return true;
   }
 
   public:
@@ -925,12 +928,14 @@ struct Coverage
     }
   }
 
+  /* Might return false if array looks unsorted.
+   * Used for faster rejection of corrupt data. */
   template <typename set_t>
-  inline void add_coverage (set_t *glyphs) const {
+  inline bool add_coverage (set_t *glyphs) const {
     switch (u.format) {
-    case 1: u.format1.add_coverage (glyphs); break;
-    case 2: u.format2.add_coverage (glyphs); break;
-    default:                                 break;
+    case 1: return u.format1.add_coverage (glyphs);
+    case 2: return u.format2.add_coverage (glyphs);
+    default:return false;
     }
   }
 
@@ -1016,11 +1021,15 @@ struct ClassDefFormat1
   }
 
   template <typename set_t>
-  inline void add_class (set_t *glyphs, unsigned int klass) const {
+  inline bool add_class (set_t *glyphs, unsigned int min_klass, unsigned int max_klass) const {
     unsigned int count = classValue.len;
     for (unsigned int i = 0; i < count; i++)
-      if (classValue[i] == klass)
+    {
+      unsigned int klass = classValue[i];
+      if (min_klass <= klass && klass <= max_klass)
         glyphs->add (startGlyph + i);
+    }
+    return true;
   }
 
   inline bool intersects_class (const hb_set_t *glyphs, unsigned int klass) const {
@@ -1073,11 +1082,16 @@ struct ClassDefFormat2
   }
 
   template <typename set_t>
-  inline void add_class (set_t *glyphs, unsigned int klass) const {
+  inline bool add_class (set_t *glyphs, unsigned int min_klass, unsigned int max_klass) const {
     unsigned int count = rangeRecord.len;
     for (unsigned int i = 0; i < count; i++)
-      if (rangeRecord[i].value == klass)
-        rangeRecord[i].add_coverage (glyphs);
+    {
+      unsigned int klass = rangeRecord[i].value;
+      if (min_klass <= klass && klass <= max_klass)
+        if (unlikely (!rangeRecord[i].add_coverage (glyphs)))
+	  return false;
+    }
+    return true;
   }
 
   inline bool intersects_class (const hb_set_t *glyphs, unsigned int klass) const {
@@ -1135,11 +1149,12 @@ struct ClassDef
     }
   }
 
-  inline void add_class (hb_set_t *glyphs, unsigned int klass) const {
+  template <typename set_t>
+  inline bool add_class (set_t *glyphs, unsigned int min_klass, unsigned int max_klass) const {
     switch (u.format) {
-    case 1: u.format1.add_class (glyphs, klass); return;
-    case 2: u.format2.add_class (glyphs, klass); return;
-    default:return;
+    case 1: return u.format1.add_class (glyphs, min_klass, max_klass);
+    case 2: return u.format2.add_class (glyphs, min_klass, max_klass);
+    default:return false;
     }
   }
 
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index eed46dd67..b2924f6be 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -352,7 +352,7 @@ struct GDEF
   inline unsigned int get_glyph_class (hb_codepoint_t glyph) const
   { return (this+glyphClassDef).get_class (glyph); }
   inline void get_glyphs_in_class (unsigned int klass, hb_set_t *glyphs) const
-  { (this+glyphClassDef).add_class (glyphs, klass); }
+  { (this+glyphClassDef).add_class (glyphs, klass, klass); }
 
   inline bool has_mark_attachment_types (void) const { return markAttachClassDef != 0; }
   inline unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 3dcf2ec91..215e2d742 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -758,14 +758,12 @@ struct PairPosFormat2
     (this+coverage).add_coverage (c->input);
 
     unsigned int count1 = class1Count;
-    const ClassDef &klass1 = this+classDef1;
-    for (unsigned int i = 0; i < count1; i++)
-      klass1.add_class (c->input, i);
+    if (count1)
+      (this+classDef1).add_class (c->input, 0, count1 - 1);
 
     unsigned int count2 = class2Count;
-    const ClassDef &klass2 = this+classDef2;
-    for (unsigned int i = 0; i < count2; i++)
-      klass2.add_class (c->input, i);
+    if (count2)
+      (this+classDef2).add_class (c->input, 0, count2 - 1);
   }
 
   inline const Coverage &get_coverage (void) const
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index b08a59138..a30fa6de2 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -621,7 +621,7 @@ static inline void collect_glyph (hb_set_t *glyphs, const UINT16 &value, const v
 static inline void collect_class (hb_set_t *glyphs, const UINT16 &value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
-  class_def.add_class (glyphs, value);
+  class_def.add_class (glyphs, value, value);
 }
 static inline void collect_coverage (hb_set_t *glyphs, const UINT16 &value, const void *data)
 {
diff --git a/src/hb-set-digest-private.hh b/src/hb-set-digest-private.hh
index 750870855..0f798ab69 100644
--- a/src/hb-set-digest-private.hh
+++ b/src/hb-set-digest-private.hh
@@ -80,11 +80,25 @@ struct hb_set_digest_lowest_bits_t
       mask |= mb + (mb - ma) - (mb < ma);
     }
   }
+
   template <typename T>
-  inline void add_array (const T *array, unsigned int count)
+  inline void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
     for (unsigned int i = 0; i < count; i++)
-      add (array[i]);
+    {
+      add (*array);
+      array = (const T *) (stride + (const char *) array);
+    }
+  }
+  template <typename T>
+  inline bool add_sorted_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
+  {
+    for (unsigned int i = 0; i < count; i++)
+    {
+      add (*array);
+      array = (const T *) (stride + (const char *) array);
+    }
+    return true;
   }
 
   inline bool may_have (hb_codepoint_t g) const {
@@ -119,10 +133,17 @@ struct hb_set_digest_combiner_t
     tail.add_range (a, b);
   }
   template <typename T>
-  inline void add_array (const T *array, unsigned int count)
+  inline void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
-    head.add_array (array, count);
-    tail.add_array (array, count);
+    head.add_array (array, count, stride);
+    tail.add_array (array, count, stride);
+  }
+  template <typename T>
+  inline bool add_sorted_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
+  {
+    head.add_sorted_array (array, count, stride);
+    tail.add_sorted_array (array, count, stride);
+    return true;
   }
 
   inline bool may_have (hb_codepoint_t g) const {
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 04f22c5dd..edeca6d75 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -259,12 +259,29 @@ struct hb_set_t
       page->add_range (major_start (mb), b);
     }
   }
+
   template <typename T>
-  inline void add_array (const T *array, unsigned int count)
+  inline void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
     for (unsigned int i = 0; i < count; i++)
-      add (array[i]);
+    {
+      add (*array);
+      array = (const T *) (stride + (const char *) array);
+    }
   }
+  /* Might return false if array looks unsorted.
+   * Used for faster rejection of corrupt data. */
+  template <typename T>
+  inline bool add_sorted_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
+  {
+    for (unsigned int i = 0; i < count; i++)
+    {
+      add (*array);
+      array = (const T *) (stride + (const char *) array);
+    }
+    return true;
+  }
+
   inline void del (hb_codepoint_t g)
   {
     if (unlikely (in_error)) return;

From 81f27df4d9db1bfc1dd04593cbd121397b86e9a6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 16 Dec 2017 06:12:06 -0800
Subject: [PATCH 0692/1326] More work towards improving collect_glyphs()
 against bad input

The three "XXXXX"'s should be switched to false.  Doing that separately for ease
of bisecting...
---
 src/hb-ot-layout-common-private.hh |  7 +++---
 src/hb-ot-layout-gpos-table.hh     | 25 +++++++++------------
 src/hb-ot-layout-gsub-table.hh     | 35 +++++++++++------------------
 src/hb-set-digest-private.hh       |  6 +++--
 src/hb-set-private.hh              | 36 +++++++++++++++---------------
 5 files changed, 48 insertions(+), 61 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 47a05b5ec..554364854 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -156,8 +156,7 @@ struct RangeRecord
 
   template <typename set_t>
   inline bool add_coverage (set_t *glyphs) const {
-    glyphs->add_range (start, end);
-    return likely (start <= end);
+    return glyphs->add_range (start, end);
   }
 
   GlyphID	start;		/* First GlyphID in the range */
@@ -820,7 +819,7 @@ struct CoverageFormat2
     unsigned int count = rangeRecord.len;
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!rangeRecord[i].add_coverage (glyphs)))
-        return false;
+        return true;//XXXXXXXXXXXXfalse;
     return true;
   }
 
@@ -935,7 +934,7 @@ struct Coverage
     switch (u.format) {
     case 1: return u.format1.add_coverage (glyphs);
     case 2: return u.format2.add_coverage (glyphs);
-    default:return false;
+    default:return true;//XXXXXXXXXXXfalse;
     }
   }
 
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 215e2d742..f1b61301e 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -607,12 +607,7 @@ struct PairSet
     unsigned int record_size = UINT16::static_size * (1 + len1 + len2);
 
     const PairValueRecord *record = CastP<PairValueRecord> (arrayZ);
-    unsigned int count = len;
-    for (unsigned int i = 0; i < count; i++)
-    {
-      c->input->add (record->secondGlyph);
-      record = &StructAtOffset<PairValueRecord> (record, record_size);
-    }
+    c->input->add_array (&record->secondGlyph, len, record_size);
   }
 
   inline bool apply (hb_apply_context_t *c,
@@ -689,7 +684,7 @@ struct PairPosFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+coverage).add_coverage (c->input);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
     unsigned int count = pairSet.len;
     for (unsigned int i = 0; i < count; i++)
       (this+pairSet[i]).collect_glyphs (c, valueFormat);
@@ -755,7 +750,7 @@ struct PairPosFormat2
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+coverage).add_coverage (c->input);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
 
     unsigned int count1 = class1Count;
     if (count1)
@@ -904,7 +899,7 @@ struct CursivePosFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+coverage).add_coverage (c->input);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
   }
 
   inline const Coverage &get_coverage (void) const
@@ -1062,8 +1057,8 @@ struct MarkBasePosFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+markCoverage).add_coverage (c->input);
-    (this+baseCoverage).add_coverage (c->input);
+    if (unlikely (!(this+markCoverage).add_coverage (c->input))) return;
+    if (unlikely (!(this+baseCoverage).add_coverage (c->input))) return;
   }
 
   inline const Coverage &get_coverage (void) const
@@ -1165,8 +1160,8 @@ struct MarkLigPosFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+markCoverage).add_coverage (c->input);
-    (this+ligatureCoverage).add_coverage (c->input);
+    if (unlikely (!(this+markCoverage).add_coverage (c->input))) return;
+    if (unlikely (!(this+ligatureCoverage).add_coverage (c->input))) return;
   }
 
   inline const Coverage &get_coverage (void) const
@@ -1278,8 +1273,8 @@ struct MarkMarkPosFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+mark1Coverage).add_coverage (c->input);
-    (this+mark2Coverage).add_coverage (c->input);
+    if (unlikely (!(this+mark1Coverage).add_coverage (c->input))) return;
+    if (unlikely (!(this+mark2Coverage).add_coverage (c->input))) return;
   }
 
   inline const Coverage &get_coverage (void) const
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 28e0790e6..0b09c4e4a 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -54,13 +54,13 @@ struct SingleSubstFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
     Coverage::Iter iter;
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       /* TODO Switch to range-based API to work around malicious fonts.
        * https://github.com/harfbuzz/harfbuzz/issues/363 */
       hb_codepoint_t glyph_id = iter.get_glyph ();
-      c->input->add (glyph_id);
       c->output->add ((glyph_id + deltaGlyphID) & 0xFFFFu);
     }
   }
@@ -139,13 +139,13 @@ struct SingleSubstFormat2
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
     Coverage::Iter iter;
     unsigned int count = substitute.len;
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
         break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
-      c->input->add (iter.get_glyph ());
       c->output->add (substitute[iter.get_coverage ()]);
     }
   }
@@ -269,9 +269,7 @@ struct Sequence
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    unsigned int count = substitute.len;
-    for (unsigned int i = 0; i < count; i++)
-      c->output->add (substitute[i]);
+    c->output->add_array (substitute.array, substitute.len);
   }
 
   inline bool apply (hb_apply_context_t *c) const
@@ -348,7 +346,7 @@ struct MultipleSubstFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+coverage).add_coverage (c->input);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
     unsigned int count = sequence.len;
     for (unsigned int i = 0; i < count; i++)
 	(this+sequence[i]).collect_glyphs (c);
@@ -474,17 +472,15 @@ struct AlternateSubstFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
     Coverage::Iter iter;
     unsigned int count = alternateSet.len;
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
         break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
-      c->input->add (iter.get_glyph ());
       const AlternateSet &alt_set = this+alternateSet[iter.get_coverage ()];
-      unsigned int count = alt_set.len;
-      for (unsigned int i = 0; i < count; i++)
-	c->output->add (alt_set[i]);
+      c->output->add_array (alt_set.array, alt_set.len);
     }
   }
 
@@ -615,9 +611,7 @@ struct Ligature
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    unsigned int count = component.len;
-    for (unsigned int i = 1; i < count; i++)
-      c->input->add (component[i]);
+    c->input->add_array (component.array, component.len ? component.len - 1 : 0);
     c->output->add (ligGlyph);
   }
 
@@ -801,13 +795,13 @@ struct LigatureSubstFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
     Coverage::Iter iter;
     unsigned int count = ligatureSet.len;
     for (iter.init (this+coverage); iter.more (); iter.next ())
     {
       if (unlikely (iter.get_coverage () >= count))
         break; /* Work around malicious fonts. https://github.com/harfbuzz/harfbuzz/issues/363 */
-      c->input->add (iter.get_glyph ());
       (this+ligatureSet[iter.get_coverage ()]).collect_glyphs (c);
     }
   }
@@ -970,25 +964,22 @@ struct ReverseChainSingleSubstFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-
-    const OffsetArrayOf<Coverage> &lookahead = StructAfter<OffsetArrayOf<Coverage> > (backtrack);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
 
     unsigned int count;
 
-    (this+coverage).add_coverage (c->input);
-
     count = backtrack.len;
     for (unsigned int i = 0; i < count; i++)
-      (this+backtrack[i]).add_coverage (c->before);
+      if (unlikely (!(this+backtrack[i]).add_coverage (c->before))) return;
 
+    const OffsetArrayOf<Coverage> &lookahead = StructAfter<OffsetArrayOf<Coverage> > (backtrack);
     count = lookahead.len;
     for (unsigned int i = 0; i < count; i++)
-      (this+lookahead[i]).add_coverage (c->after);
+      if (unlikely (!(this+lookahead[i]).add_coverage (c->after))) return;
 
     const ArrayOf<GlyphID> &substitute = StructAfter<ArrayOf<GlyphID> > (lookahead);
     count = substitute.len;
-    for (unsigned int i = 0; i < count; i++)
-      c->output->add (substitute[i]);
+    c->output->add_array (substitute.array, substitute.len);
   }
 
   inline const Coverage &get_coverage (void) const
diff --git a/src/hb-set-digest-private.hh b/src/hb-set-digest-private.hh
index 0f798ab69..e099a8264 100644
--- a/src/hb-set-digest-private.hh
+++ b/src/hb-set-digest-private.hh
@@ -71,7 +71,7 @@ struct hb_set_digest_lowest_bits_t
     mask |= mask_for (g);
   }
 
-  inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
+  inline bool add_range (hb_codepoint_t a, hb_codepoint_t b) {
     if ((b >> shift) - (a >> shift) >= mask_bits - 1)
       mask = (mask_t) -1;
     else {
@@ -79,6 +79,7 @@ struct hb_set_digest_lowest_bits_t
       mask_t mb = mask_for (b);
       mask |= mb + (mb - ma) - (mb < ma);
     }
+    return true;
   }
 
   template <typename T>
@@ -128,9 +129,10 @@ struct hb_set_digest_combiner_t
     tail.add (g);
   }
 
-  inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
+  inline bool add_range (hb_codepoint_t a, hb_codepoint_t b) {
     head.add_range (a, b);
     tail.add_range (a, b);
+    return true;
   }
   template <typename T>
   inline void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index edeca6d75..4b6f7fb3e 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -70,20 +70,19 @@ struct hb_set_t
 
     inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
     {
-     elt_t *la = &elt (a);
-     elt_t *lb = &elt (b);
-     if (la == lb)
-       *la |= (mask (b) << 1) - mask(a);
-     else
-     {
-       *la |= ~(mask (a) - 1);
-       la++;
+      elt_t *la = &elt (a);
+      elt_t *lb = &elt (b);
+      if (la == lb)
+        *la |= (mask (b) << 1) - mask(a);
+      else
+      {
+	*la |= ~(mask (a) - 1);
+	la++;
 
-       memset (la, 0xff, (char *) lb - (char *) la);
+	memset (la, 0xff, (char *) lb - (char *) la);
 
-       *lb |= ((mask (b) << 1) - 1);
-
-     }
+	*lb |= ((mask (b) << 1) - 1);
+      }
     }
 
     inline bool is_equal (const page_t *other) const
@@ -230,34 +229,35 @@ struct hb_set_t
     if (unlikely (!page)) return;
     page->add (g);
   }
-  inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
+  inline bool add_range (hb_codepoint_t a, hb_codepoint_t b)
   {
-    if (unlikely (in_error || a > b || a == INVALID || b == INVALID)) return;
+    if (unlikely (in_error || a > b || a == INVALID || b == INVALID)) return true;//XXXXXXXfalse;
     unsigned int ma = get_major (a);
     unsigned int mb = get_major (b);
     if (ma == mb)
     {
       page_t *page = page_for_insert (a);
-      if (unlikely (!page)) return;
+      if (unlikely (!page)) return false;
       page->add_range (a, b);
     }
     else
     {
       page_t *page = page_for_insert (a);
-      if (unlikely (!page)) return;
+      if (unlikely (!page)) return false;
       page->add_range (a, major_start (ma + 1) - 1);
 
       for (unsigned int m = ma + 1; m < mb; m++)
       {
 	page = page_for_insert (major_start (m));
-	if (unlikely (!page)) return;
+	if (unlikely (!page)) return false;
 	page->init1 ();
       }
 
       page = page_for_insert (b);
-      if (unlikely (!page)) return;
+      if (unlikely (!page)) return false;
       page->add_range (major_start (mb), b);
     }
+    return true;
   }
 
   template <typename T>

From 87cc5a65cb4b98a3a857b5846085ef0814b392a8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 16 Dec 2017 06:18:07 -0800
Subject: [PATCH 0693/1326] [collect_glyphs] In PairPosFornat2 do not collect
 classDef1

The coverage already covered that.
---
 src/hb-ot-layout-gpos-table.hh | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index f1b61301e..f44888b61 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -462,7 +462,7 @@ struct SinglePosFormat1
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+coverage).add_coverage (c->input);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
   }
 
   inline const Coverage &get_coverage (void) const
@@ -510,7 +510,7 @@ struct SinglePosFormat2
   inline void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    (this+coverage).add_coverage (c->input);
+    if (unlikely (!(this+coverage).add_coverage (c->input))) return;
   }
 
   inline const Coverage &get_coverage (void) const
@@ -752,10 +752,6 @@ struct PairPosFormat2
     TRACE_COLLECT_GLYPHS (this);
     if (unlikely (!(this+coverage).add_coverage (c->input))) return;
 
-    unsigned int count1 = class1Count;
-    if (count1)
-      (this+classDef1).add_class (c->input, 0, count1 - 1);
-
     unsigned int count2 = class2Count;
     if (count2)
       (this+classDef2).add_class (c->input, 0, count2 - 1);

From 71e6adf1e2d65eb905a0ba247672fe36169955ef Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 16 Dec 2017 11:07:37 -0500
Subject: [PATCH 0694/1326] [collect_glyphs] handle ClassDef better

---
 src/hb-ot-layout-common-private.hh   | 63 +++++++++++++++++++++++-----
 src/hb-ot-layout-gdef-table.hh       |  2 +-
 src/hb-ot-layout-gpos-table.hh       |  5 +--
 src/hb-ot-layout-gsubgpos-private.hh |  2 +-
 4 files changed, 56 insertions(+), 16 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 554364854..f75f8b4ff 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1020,12 +1020,33 @@ struct ClassDefFormat1
   }
 
   template <typename set_t>
-  inline bool add_class (set_t *glyphs, unsigned int min_klass, unsigned int max_klass) const {
+  inline bool add_coverage (set_t *glyphs) const {
+    unsigned int start = 0;
     unsigned int count = classValue.len;
     for (unsigned int i = 0; i < count; i++)
     {
-      unsigned int klass = classValue[i];
-      if (min_klass <= klass && klass <= max_klass)
+      if (classValue[i])
+        continue;
+
+      if (start != i)
+	if (unlikely (!glyphs->add_range (startGlyph + start, startGlyph + i)))
+	  return true;//XXXXXXXXfalse
+
+      start = i + 1;
+    }
+    if (start != count)
+      if (unlikely (!glyphs->add_range (startGlyph + start, startGlyph + count)))
+	return true;//XXXXXXXXfalse
+
+    return true;
+  }
+
+  template <typename set_t>
+  inline bool add_class (set_t *glyphs, unsigned int klass) const {
+    unsigned int count = classValue.len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (classValue[i] == klass)
         glyphs->add (startGlyph + i);
     }
     return true;
@@ -1081,14 +1102,23 @@ struct ClassDefFormat2
   }
 
   template <typename set_t>
-  inline bool add_class (set_t *glyphs, unsigned int min_klass, unsigned int max_klass) const {
+  inline bool add_coverage (set_t *glyphs) const {
+    unsigned int count = rangeRecord.len;
+    for (unsigned int i = 0; i < count; i++)
+      if (rangeRecord[i].value)
+	if (unlikely (!rangeRecord[i].add_coverage (glyphs)))
+	  return true;//XXXXXXXXXXXXfalse;
+    return true;
+  }
+
+  template <typename set_t>
+  inline bool add_class (set_t *glyphs, unsigned int klass) const {
     unsigned int count = rangeRecord.len;
     for (unsigned int i = 0; i < count; i++)
     {
-      unsigned int klass = rangeRecord[i].value;
-      if (min_klass <= klass && klass <= max_klass)
+      if (rangeRecord[i].value == klass)
         if (unlikely (!rangeRecord[i].add_coverage (glyphs)))
-	  return false;
+	  return true;//XXXXXXXXXXXXfalse;
     }
     return true;
   }
@@ -1148,11 +1178,24 @@ struct ClassDef
     }
   }
 
+  /* Might return false if array looks unsorted.
+   * Used for faster rejection of corrupt data. */
   template <typename set_t>
-  inline bool add_class (set_t *glyphs, unsigned int min_klass, unsigned int max_klass) const {
+  inline bool add_coverage (set_t *glyphs) const {
     switch (u.format) {
-    case 1: return u.format1.add_class (glyphs, min_klass, max_klass);
-    case 2: return u.format2.add_class (glyphs, min_klass, max_klass);
+    case 1: return u.format1.add_coverage (glyphs);
+    case 2: return u.format2.add_coverage (glyphs);
+    default:return true;//XXXXXXXXXXXfalse;
+    }
+  }
+
+  /* Might return false if array looks unsorted.
+   * Used for faster rejection of corrupt data. */
+  template <typename set_t>
+  inline bool add_class (set_t *glyphs, unsigned int klass) const {
+    switch (u.format) {
+    case 1: return u.format1.add_class (glyphs, klass);
+    case 2: return u.format2.add_class (glyphs, klass);
     default:return false;
     }
   }
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index b2924f6be..eed46dd67 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -352,7 +352,7 @@ struct GDEF
   inline unsigned int get_glyph_class (hb_codepoint_t glyph) const
   { return (this+glyphClassDef).get_class (glyph); }
   inline void get_glyphs_in_class (unsigned int klass, hb_set_t *glyphs) const
-  { (this+glyphClassDef).add_class (glyphs, klass, klass); }
+  { (this+glyphClassDef).add_class (glyphs, klass); }
 
   inline bool has_mark_attachment_types (void) const { return markAttachClassDef != 0; }
   inline unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index f44888b61..b344d793c 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -751,10 +751,7 @@ struct PairPosFormat2
   {
     TRACE_COLLECT_GLYPHS (this);
     if (unlikely (!(this+coverage).add_coverage (c->input))) return;
-
-    unsigned int count2 = class2Count;
-    if (count2)
-      (this+classDef2).add_class (c->input, 0, count2 - 1);
+    if (unlikely (!(this+classDef2).add_coverage (c->input))) return;
   }
 
   inline const Coverage &get_coverage (void) const
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index a30fa6de2..b08a59138 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -621,7 +621,7 @@ static inline void collect_glyph (hb_set_t *glyphs, const UINT16 &value, const v
 static inline void collect_class (hb_set_t *glyphs, const UINT16 &value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
-  class_def.add_class (glyphs, value, value);
+  class_def.add_class (glyphs, value);
 }
 static inline void collect_coverage (hb_set_t *glyphs, const UINT16 &value, const void *data)
 {

From 1ce7d6e215ef9d5386010bcdbbca79ef01811596 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 16 Dec 2017 11:36:16 -0500
Subject: [PATCH 0695/1326] [set] Optimize add_array() / add_sorted_array()

Does page lookup as needed.
---
 src/hb-set-private.hh | 54 ++++++++++++++++++++++++++++++-------------
 1 file changed, 38 insertions(+), 16 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 4b6f7fb3e..74a22a033 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -225,8 +225,7 @@ struct hb_set_t
   {
     if (unlikely (in_error)) return;
     if (unlikely (g == INVALID)) return;
-    page_t *page = page_for_insert (g);
-    if (unlikely (!page)) return;
+    page_t *page = page_for_insert (g); if (unlikely (!page)) return;
     page->add (g);
   }
   inline bool add_range (hb_codepoint_t a, hb_codepoint_t b)
@@ -236,25 +235,21 @@ struct hb_set_t
     unsigned int mb = get_major (b);
     if (ma == mb)
     {
-      page_t *page = page_for_insert (a);
-      if (unlikely (!page)) return false;
+      page_t *page = page_for_insert (a); if (unlikely (!page)) return false;
       page->add_range (a, b);
     }
     else
     {
-      page_t *page = page_for_insert (a);
-      if (unlikely (!page)) return false;
+      page_t *page = page_for_insert (a); if (unlikely (!page)) return false;
       page->add_range (a, major_start (ma + 1) - 1);
 
       for (unsigned int m = ma + 1; m < mb; m++)
       {
-	page = page_for_insert (major_start (m));
-	if (unlikely (!page)) return false;
+	page = page_for_insert (major_start (m)); if (unlikely (!page)) return false;
 	page->init1 ();
       }
 
-      page = page_for_insert (b);
-      if (unlikely (!page)) return false;
+      page = page_for_insert (b); if (unlikely (!page)) return false;
       page->add_range (major_start (mb), b);
     }
     return true;
@@ -263,21 +258,48 @@ struct hb_set_t
   template <typename T>
   inline void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
-    for (unsigned int i = 0; i < count; i++)
+    if (unlikely (in_error)) return;
+    if (!count) return;
+    hb_codepoint_t g = *array;
+    while (count)
     {
-      add (*array);
-      array = (const T *) (stride + (const char *) array);
+      unsigned int m = get_major (g);
+      page_t *page = page_for_insert (g); if (unlikely (!page)) return;
+      unsigned int start = major_start (m);
+      unsigned int end = major_start (m + 1);
+      do
+      {
+	page->add (g);
+
+	array++;
+	count--;
+      }
+      while (count && (g = *array, start <= g && g < end));
     }
   }
+
   /* Might return false if array looks unsorted.
    * Used for faster rejection of corrupt data. */
   template <typename T>
   inline bool add_sorted_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
-    for (unsigned int i = 0; i < count; i++)
+    if (unlikely (in_error)) return true;//XXXfalse
+    if (!count) return true;
+    hb_codepoint_t g = *array;
+    while (count)
     {
-      add (*array);
-      array = (const T *) (stride + (const char *) array);
+      unsigned int m = get_major (g);
+      page_t *page = page_for_insert (g); if (unlikely (!page)) return false;
+      unsigned int start = major_start (m);
+      unsigned int end = major_start (m + 1);
+      do
+      {
+	page->add (g);
+
+	array++;
+	count--;
+      }
+      while (count && (g = *array, start <= g && g < end));
     }
     return true;
   }

From a7bd6d7a4c53ff61d7d8286a594aaa0a0e15b1a1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 16 Dec 2017 11:11:18 -0500
Subject: [PATCH 0696/1326] [collect_glyphs] Bail if input data looks like
 garbage

Specificaly, when a range or sorted array has unexpected order, we take that as
font data being garbage and bail out.  This fixes significant slowdown on a bad
version of Chandas font which has a 600KB GPOS with garbage inside.

Later on, I like to add a maximum-work counter for collect_glyphs to protect
against malicious fonts as well.

Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=794896
---
 src/hb-ot-layout-common-private.hh | 14 +++++++-------
 src/hb-set-private.hh              |  4 ++--
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index f75f8b4ff..5e699e196 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -819,7 +819,7 @@ struct CoverageFormat2
     unsigned int count = rangeRecord.len;
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!rangeRecord[i].add_coverage (glyphs)))
-        return true;//XXXXXXXXXXXXfalse;
+        return false;
     return true;
   }
 
@@ -934,7 +934,7 @@ struct Coverage
     switch (u.format) {
     case 1: return u.format1.add_coverage (glyphs);
     case 2: return u.format2.add_coverage (glyphs);
-    default:return true;//XXXXXXXXXXXfalse;
+    default:return false;
     }
   }
 
@@ -1030,13 +1030,13 @@ struct ClassDefFormat1
 
       if (start != i)
 	if (unlikely (!glyphs->add_range (startGlyph + start, startGlyph + i)))
-	  return true;//XXXXXXXXfalse
+	  return false;
 
       start = i + 1;
     }
     if (start != count)
       if (unlikely (!glyphs->add_range (startGlyph + start, startGlyph + count)))
-	return true;//XXXXXXXXfalse
+	return false;
 
     return true;
   }
@@ -1107,7 +1107,7 @@ struct ClassDefFormat2
     for (unsigned int i = 0; i < count; i++)
       if (rangeRecord[i].value)
 	if (unlikely (!rangeRecord[i].add_coverage (glyphs)))
-	  return true;//XXXXXXXXXXXXfalse;
+	  return false;
     return true;
   }
 
@@ -1118,7 +1118,7 @@ struct ClassDefFormat2
     {
       if (rangeRecord[i].value == klass)
         if (unlikely (!rangeRecord[i].add_coverage (glyphs)))
-	  return true;//XXXXXXXXXXXXfalse;
+	  return false;
     }
     return true;
   }
@@ -1185,7 +1185,7 @@ struct ClassDef
     switch (u.format) {
     case 1: return u.format1.add_coverage (glyphs);
     case 2: return u.format2.add_coverage (glyphs);
-    default:return true;//XXXXXXXXXXXfalse;
+    default:return false;
     }
   }
 
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 74a22a033..9d9a7712c 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -230,7 +230,7 @@ struct hb_set_t
   }
   inline bool add_range (hb_codepoint_t a, hb_codepoint_t b)
   {
-    if (unlikely (in_error || a > b || a == INVALID || b == INVALID)) return true;//XXXXXXXfalse;
+    if (unlikely (in_error || a > b || a == INVALID || b == INVALID)) return false;
     unsigned int ma = get_major (a);
     unsigned int mb = get_major (b);
     if (ma == mb)
@@ -283,7 +283,7 @@ struct hb_set_t
   template <typename T>
   inline bool add_sorted_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
-    if (unlikely (in_error)) return true;//XXXfalse
+    if (unlikely (in_error)) return false;
     if (!count) return true;
     hb_codepoint_t g = *array;
     while (count)

From 493a005d9527b6075f3c1ca4b41c22d7805f975c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 16 Dec 2017 11:49:39 -0500
Subject: [PATCH 0697/1326] [set] In add_sorted_array(), bail if data is not
 sorted

---
 src/hb-set-private.hh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 9d9a7712c..4715e1f36 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -286,20 +286,24 @@ struct hb_set_t
     if (unlikely (in_error)) return false;
     if (!count) return true;
     hb_codepoint_t g = *array;
+    hb_codepoint_t last_g = g;
     while (count)
     {
       unsigned int m = get_major (g);
       page_t *page = page_for_insert (g); if (unlikely (!page)) return false;
-      unsigned int start = major_start (m);
       unsigned int end = major_start (m + 1);
       do
       {
+        /* If we try harder we can change the following comparison to <=;
+	 * Not sure if it's worth it. */
+        if (g < last_g) return false;
+	last_g = g;
 	page->add (g);
 
 	array++;
 	count--;
       }
-      while (count && (g = *array, start <= g && g < end));
+      while (count && (g = *array, g < end));
     }
     return true;
   }

From 1245395a60ab6b04fc4653c448a97bb6ffee672c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 17 Dec 2017 12:32:33 -0500
Subject: [PATCH 0698/1326] [coretext] In hb_coretext_font_create() set ptem

Otherwise setting the CTFont was ineffective as it would have been
recreated anyway unless font size was set to 18 CSS points.
---
 src/hb-coretext.cc | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 2dd10d2da..440201769 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -39,7 +39,7 @@
 #define HB_CORETEXT_DEFAULT_FONT_SIZE 12.f
 
 static CGFloat
-coretext_font_size (float ptem)
+coretext_font_size_from_ptem (float ptem)
 {
   /* CoreText points are CSS pixels (96 per inch),
    * NOT typographic points (72 per inch).
@@ -49,6 +49,12 @@ coretext_font_size (float ptem)
   ptem *= 96.f / 72.f;
   return ptem <= 0.f ? HB_CORETEXT_DEFAULT_FONT_SIZE : ptem;
 }
+static float
+coretext_font_size_to_ptem (CGFloat size)
+{
+  size *= 72.f / 96.f;
+  return size <= 0.f ? 0 : size;
+}
 
 static void
 release_table_data (void *user_data)
@@ -84,7 +90,7 @@ _hb_cg_font_release (void *data)
 
 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
 HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
-	fabs (CTFontGetSize((CTFontRef) data) - coretext_font_size (font->ptem)) <= .5
+	fabs (CTFontGetSize((CTFontRef) data) - coretext_font_size_from_ptem (font->ptem)) <= .5
 )
 
 static CTFontDescriptorRef
@@ -282,7 +288,7 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
   if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return nullptr;
   CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face);
 
-  CTFontRef ct_font = create_ct_font (cg_font, coretext_font_size (font->ptem));
+  CTFontRef ct_font = create_ct_font (cg_font, coretext_font_size_from_ptem (font->ptem));
 
   if (unlikely (!ct_font))
   {
@@ -314,6 +320,8 @@ hb_coretext_font_create (CTFontRef ct_font)
   if (unlikely (hb_object_is_inert (font)))
     return font;
 
+  hb_font_set_ptem (font, coretext_font_size_to_ptem (CTFontGetSize(ct_font)));
+
   /* Let there be dragons here... */
   HB_SHAPER_DATA_GET (font) = (hb_coretext_shaper_font_data_t *) CFRetain (ct_font);
 

From b5bbb791d32467b91caf6f1bf7ccee7cb2ca8c52 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 18 Dec 2017 09:18:51 -0500
Subject: [PATCH 0699/1326] 1.7.3

---
 NEWS         | 10 ++++++++++
 configure.ac |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 6242ee5c3..54a0fecbd 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Overview of changes leading to 1.7.3
+Monday, December 18, 2017
+====================================
+
+- hb_set_t performance tuning and optimizations.
+- Speed up collect_glyphs() and reject garbage data.
+- In hb_coretext_font_create() set font point-size (ptem).
+- Misc fixes.
+
+
 Overview of changes leading to 1.7.2
 Monday, December 4, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index dc21ad661..bff842cfc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.7.2],
+        [1.7.3],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 2fe5f885b6f66f2665292b93e07baaae0aa46da8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 19 Dec 2017 14:48:26 -0500
Subject: [PATCH 0700/1326] [set] Handle nil set in add_range() /
 add_sorted_array()

Fixes https://github.com/harfbuzz/harfbuzz/issues/657
---
 src/hb-set-private.hh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 4715e1f36..9c6f3ee37 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -230,7 +230,8 @@ struct hb_set_t
   }
   inline bool add_range (hb_codepoint_t a, hb_codepoint_t b)
   {
-    if (unlikely (in_error || a > b || a == INVALID || b == INVALID)) return false;
+    if (unlikely (in_error)) return true; /* https://github.com/harfbuzz/harfbuzz/issues/657 */
+    if (unlikely (a > b || a == INVALID || b == INVALID)) return false;
     unsigned int ma = get_major (a);
     unsigned int mb = get_major (b);
     if (ma == mb)
@@ -283,7 +284,7 @@ struct hb_set_t
   template <typename T>
   inline bool add_sorted_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
-    if (unlikely (in_error)) return false;
+    if (unlikely (in_error)) return true; /* https://github.com/harfbuzz/harfbuzz/issues/657 */
     if (!count) return true;
     hb_codepoint_t g = *array;
     hb_codepoint_t last_g = g;

From a9432bde7e61894056a42ea24d56fd7fd908a1ce Mon Sep 17 00:00:00 2001
From: "Volker H. Simonis" <volker.simonis@gmail.com>
Date: Tue, 19 Dec 2017 11:33:25 +0100
Subject: [PATCH 0701/1326] HarfBuzz 1.7.1 and later don't compile on AIX with
 xlC (#655)

---
 src/hb-ot-shape-complex-arabic-fallback.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-arabic-fallback.hh b/src/hb-ot-shape-complex-arabic-fallback.hh
index b7638b7be..d98cde121 100644
--- a/src/hb-ot-shape-complex-arabic-fallback.hh
+++ b/src/hb-ot-shape-complex-arabic-fallback.hh
@@ -77,7 +77,7 @@ arabic_fallback_synthesize_lookup_single (const hb_ot_shape_plan_t *plan HB_UNUS
 
   /* Bubble-sort or something equally good!
    * May not be good-enough for presidential candidate interviews, but good-enough for us... */
-  hb_stable_sort (&glyphs[0], num_glyphs, OT::GlyphID::cmp, &substitutes[0]);
+  hb_stable_sort (&glyphs[0], num_glyphs, (int(*)(const OT::GlyphID*, const OT::GlyphID *)) OT::GlyphID::cmp, &substitutes[0]);
 
   OT::Supplier<OT::GlyphID> glyphs_supplier      (glyphs, num_glyphs);
   OT::Supplier<OT::GlyphID> substitutes_supplier (substitutes, num_glyphs);
@@ -126,7 +126,7 @@ arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UN
     first_glyphs_indirection[num_first_glyphs] = first_glyph_idx;
     num_first_glyphs++;
   }
-  hb_stable_sort (&first_glyphs[0], num_first_glyphs, OT::GlyphID::cmp, &first_glyphs_indirection[0]);
+  hb_stable_sort (&first_glyphs[0], num_first_glyphs, (int(*)(const OT::GlyphID*, const OT::GlyphID *)) OT::GlyphID::cmp, &first_glyphs_indirection[0]);
 
   /* Now that the first-glyphs are sorted, walk again, populate ligatures. */
   for (unsigned int i = 0; i < num_first_glyphs; i++)

From 007a2a4317227b8fb4c764c590203c85fc3da5fd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 20 Dec 2017 12:09:00 -0500
Subject: [PATCH 0702/1326] 1.7.4

---
 NEWS         | 7 +++++++
 configure.ac | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 54a0fecbd..7434bcada 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+Overview of changes leading to 1.7.4
+Wednesday, December 20, 2017
+====================================
+
+- Fix collect_glyphs() regression caused by hb_set_t changes.
+
+
 Overview of changes leading to 1.7.3
 Monday, December 18, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index bff842cfc..7f24627ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.7.3],
+        [1.7.4],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 81dfc29d2dbc755301e702ea5427829d02abc693 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 21 Dec 2017 20:15:37 +0330
Subject: [PATCH 0703/1326] [ci] Add a DOS/djgpp compiler (#659)

---
 .circleci/config.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2824bfdb6..25dfccded 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -107,6 +107,14 @@ jobs:
       - run: apt update && apt install ragel
       - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
 
+  dos:
+    docker:
+      - image: quay.io/ebraminio/djgpp
+    steps:
+      - checkout
+      - run: apt update && apt install -y ragel pkg-config libtool autoconf
+      - run: ./autogen.sh --prefix=/usr/local/djgpp --host=i586-pc-msdosdjgpp && make
+
 workflows:
   version: 2
   build:
@@ -123,3 +131,4 @@ workflows:
       - linux-arm64
       - linux-mips
       - windows-x64
+      - dos

From bc92245b681098f0bfa712217851a5ba3dabeaf3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 20 Dec 2017 13:19:33 -0500
Subject: [PATCH 0704/1326] Minor

---
 src/main.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/main.cc b/src/main.cc
index 819100e47..72de189d8 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -24,7 +24,6 @@
  * Red Hat Author(s): Behdad Esfahbod
  */
 
-#include "hb-mutex-private.hh"
 #include "hb-open-file-private.hh"
 #include "hb-ot-layout-gdef-table.hh"
 #include "hb-ot-layout-gsubgpos-private.hh"

From 72ecaae0ad4c9f1685f7d524990e92a26fcd5611 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 24 Dec 2017 16:05:07 -0500
Subject: [PATCH 0705/1326] [use] Allow ZWJ before/after Halant

https://github.com/harfbuzz/harfbuzz/issues/542#issuecomment-353169729
---
 src/hb-ot-shape-complex-use-machine.rl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-use-machine.rl b/src/hb-ot-shape-complex-use-machine.rl
index 86cd8b25f..89b776390 100644
--- a/src/hb-ot-shape-complex-use-machine.rl
+++ b/src/hb-ot-shape-complex-use-machine.rl
@@ -89,7 +89,8 @@ SMBlw	= 42; # SYM_MOD_BELOW
 CS	= 43; # CONS_WITH_STACKER
 
 
-consonant_modifiers = CMAbv* CMBlw* ((H B | SUB) VS? CMAbv? CMBlw*)*;
+# Override: Adjoc ZWJ placement. https://github.com/harfbuzz/harfbuzz/issues/542#issuecomment-353169729
+consonant_modifiers = CMAbv* CMBlw* ((ZWJ?.H.ZWJ? B | SUB) VS? CMAbv? CMBlw*)*;
 # Override: Allow two MBlw. https://github.com/harfbuzz/harfbuzz/issues/376
 medial_consonants = MPre? MAbv? MBlw?.MBlw? MPst?;
 dependent_vowels = VPre* VAbv* VBlw* VPst*;

From 9890782736b9ce708c1fedd1cbb3db45cfef4c69 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 25 Dec 2017 01:32:46 +0330
Subject: [PATCH 0706/1326] [ci] Add -Wno-attributes to djgpp, add alpine,
 format (#663)

---
 .circleci/config.yml | 40 ++++++++++++++++++++++++++++++----------
 1 file changed, 30 insertions(+), 10 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 25dfccded..8b596ac15 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -20,7 +20,8 @@ jobs:
     steps:
       - checkout
       - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config || true
-      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 && make && make check
+      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
+      - run: make && make check
 
   archlinux:
     docker:
@@ -28,7 +29,8 @@ jobs:
     steps:
       - checkout
       - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel
-      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 && make && make check
+      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
+      - run: make && make check
 
   freebsd9:
     docker:
@@ -36,7 +38,8 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install -y pkg-config ragel
-      - run: ./autogen.sh --prefix=/freebsd --host=x86_64-pc-freebsd9 && make
+      - run: ./autogen.sh --prefix=/freebsd --host=x86_64-pc-freebsd9
+      - run: make
 
   base:
     docker:
@@ -65,7 +68,8 @@ jobs:
       - checkout
       - run: apt update && apt install ragel
       - run: git clone https://github.com/vitasdk/vdpm && cd vdpm && ./bootstrap-vitasdk.sh
-      - run: cmake -Bbuild -H. -GNinja -DCMAKE_TOOLCHAIN_FILE=/usr/local/vitasdk/share/vita.toolchain.cmake && ninja -Cbuild
+      - run: ./autogen.sh --prefix=/usr/local/vitasdk/arm-vita-eabi --host=arm-vita-eabi
+      - run: make
 
   android-arm:
     docker:
@@ -73,7 +77,8 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install ragel
-      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+      - run: cmake -Bbuild -H. -GNinja
+      - run: ninja -Cbuild
 
   browser-asmjs:
     docker:
@@ -81,7 +86,8 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install ragel
-      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+      - run: cmake -Bbuild -H. -GNinja
+      - run: ninja -Cbuild
 
   linux-arm64:
     docker:
@@ -89,7 +95,8 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install ragel
-      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+      - run: cmake -Bbuild -H. -GNinja
+      - run: ninja -Cbuild
 
   linux-mips:
     docker:
@@ -97,7 +104,8 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install ragel
-      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+      - run: cmake -Bbuild -H. -GNinja
+      - run: ninja -Cbuild
 
   windows-x64:
     docker:
@@ -105,7 +113,17 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install ragel
-      - run: cmake -Bbuild -H. -GNinja && ninja -Cbuild
+      - run: cmake -Bbuild -H. -GNinja
+      - run: ninja -Cbuild
+
+  alpine:
+    docker:
+      - image: alpine
+    steps:
+      - checkout
+      - run: apk update && apk add ragel make pkgconfig libtool autoconf automake gettext gcc g++ glib-dev freetype-dev cairo-dev
+      - run: ./autogen.sh
+      - run: make && make check
 
   dos:
     docker:
@@ -113,7 +131,8 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install -y ragel pkg-config libtool autoconf
-      - run: ./autogen.sh --prefix=/usr/local/djgpp --host=i586-pc-msdosdjgpp && make
+      - run: CFLAGS="-Wno-attributes" CXXFLAGS="-Wno-attributes" ./autogen.sh --prefix=/usr/local/djgpp --host=i586-pc-msdosdjgpp
+      - run: make
 
 workflows:
   version: 2
@@ -131,4 +150,5 @@ workflows:
       - linux-arm64
       - linux-mips
       - windows-x64
+      - alpine
       - dos

From 7bfdf1a94192dd83ab55202d259703f36ed060e5 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Wed, 22 Nov 2017 16:32:52 -0500
Subject: [PATCH 0707/1326] Forbid Batak killers after vowel signs

---
 src/gen-use-table.py                             |   3 +++
 src/hb-ot-shape-complex-use-table.cc             |   2 +-
 .../59a585a63b3df608fbeef00956c8c108deec7de6.ttf | Bin 0 -> 1164 bytes
 test/shaping/tests/use-syllable.tests            |   1 +
 4 files changed, 5 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/fonts/sha1sum/59a585a63b3df608fbeef00956c8c108deec7de6.ttf

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index 4ded54230..bbcaaf89b 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -297,6 +297,9 @@ def map_to_use(data):
 		if U == 0x17DD: UISC = Vowel_Dependent
 		if 0x1CE2 <= U <= 0x1CE8: UISC = Cantillation_Mark
 
+		# TODO: https://github.com/harfbuzz/harfbuzz/pull/627
+		if 0x1BF2 <= U <= 0x1BF3: UISC = Nukta; UIPC = Bottom
+
 		# TODO: U+1CED should only be allowed after some of
 		# the nasalization marks, maybe only for U+1CE9..U+1CF1.
 		if U == 0x1CED: UISC = Tone_Mark
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index fd6978f28..c1a33625a 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -307,7 +307,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 1BC0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 1BD0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 1BE0 */     B,     B,     B,     B,     B,     B, CMAbv,  VPst,  VAbv,  VAbv,  VPst,  VPst,  VPst,  VAbv,  VPst,  VAbv,
-  /* 1BF0 */  FAbv,  FAbv,  VPst,  VPst,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
+  /* 1BF0 */  FAbv,  FAbv, CMBlw, CMBlw,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
 
   /* Lepcha */
 
diff --git a/test/shaping/fonts/sha1sum/59a585a63b3df608fbeef00956c8c108deec7de6.ttf b/test/shaping/fonts/sha1sum/59a585a63b3df608fbeef00956c8c108deec7de6.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..70f0513df28fc0fa1f56686196ab99eef67eceec
GIT binary patch
literal 1164
zcmZuwUq};i9RL3AZerUyHJwS*d71-DQMV{XL)7Vnl9aZIiBPATbLi%nr>PGjh!)j@
zS`Q=ELytWL1rZc#5eXs)B|bzCJy?h+NNRVcvcA9Dl8Wy5{`q|W-}m>sMyIn8^e_r6
zRN3ry;q4ax005Q&NK<`nogGp@1Hf*eExo>}(NR0l&=0_Ih=qEGt44mjb_H=B;?71#
zv306?{5}9fYuxDYi^0pEbDJ=~1aYLxBf5_-esG|l#$V_{16RzPMI1z&*X5T6wMLjg
z+=e*KFAfGlgXsW^NC^Sa?_slaiRj-!TpsN0lcEz~#ro7Q0AMUmOMqj55R&K$_#{uC
zMD<)H36yN22#g}IN(OhJ+}(5h)NABZNt5!!6S64<5-=kvJ*%>=Kj5>}*h*DVSFH;B
zITY6OHk++CI27`EyCfmM<BVV}v6L1Hwc>!!E!cWP?H);T#d~7YTP$b@VUx4W(he{G
zcp)zt_VSkw^Aq^#4Y|S~XzOnqa<u#ub>wP!S&+9B(QsP356>yrb|9BW50X(V$?uUL
z@Z-ppl6|0{Ar6=$kKCGr`o8`ta$d<cOr`=yNUFK8a_;4;nVEOjT+PibEiJ8cZ%jJN
zO7+^>%JSE5RUeCrs%#dMPF`5rUr5jmheslja5xef2@emCj0~G}xKO%OFmg|xT~E5W
z%jnoOw7^QnE^ZrTMfm&SBRrK^_9j9+pV&k2l$cE@Ak&aZrl5d132C&B8r8~d9zKee
zGP7#+-zijTaOg2INl%iw!@Nezy_h6lz(N?bf`<JwK{x_Uopo-QGtQeASs_{mt!gKA
z_IQYZw*)I7nefIF?ihCG5yx}}bsk(003S%;fj;C{QF@^tdO(DbT7}+y+MnKGEm9lJ
zRxumL9F(cPMC`*D=Z)*eZS!I@iW@xASIbv3R+B%K{q^;F%mS!VIsQ~MK1MXkxE>=q
zzi~T8bPhA#eM%S~-%50h{uBRs=#;S@bOQumPVG<aTFAtmkXn0#6HkzSBhZP}C+2Sl
zH|SOWrFK#324}k`;6)zrTEXcJi2-nS2i&M57s1&l_J@!U_4HC6>Hw!C`g@T3dobpo
H4r-fU8^r?*

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/use-syllable.tests b/test/shaping/tests/use-syllable.tests
index 0661142c6..a48633b83 100644
--- a/test/shaping/tests/use-syllable.tests
+++ b/test/shaping/tests/use-syllable.tests
@@ -4,3 +4,4 @@ fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA35,U+AA33
 fonts/sha1sum/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf::U+AA00,U+AA35,U+AA36:[a_cham=0+1121|laMedial_waMedial_cham=0@43,0+0]
 fonts/sha1sum/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf:--no-glyph-names:U+11320,U+20F0,U+11367:[3=0+502|1=0@33,0+0|4=0@300,8+0]
 fonts/sha1sum/373e67bf41ca264e260a9716162b71a23549e885.ttf:--no-glyph-names:U+A8AC,U+A8B4,U+A8B5:[2=0+377|3=0+242|4=0+210]
+fonts/sha1sum/59a585a63b3df608fbeef00956c8c108deec7de6.ttf:--no-glyph-names:U+1BC7,U+1BEA,U+1BF3:[1=0+749|2=0+402|4=0+535|3=0+401]

From 50163976d2a5fb34e0b4c011408d581b33aaa255 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 25 Dec 2017 01:55:48 +0330
Subject: [PATCH 0708/1326] [cmake] Enable cmake tests on distribution and test
 it (#664)

---
 .circleci/config.yml | 3 ++-
 test/Makefile.am     | 6 ++++++
 test/api/Makefile.am | 1 +
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8b596ac15..4162488f4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -59,7 +59,8 @@ jobs:
       - checkout
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
       - run: ./autogen.sh && make distdir
-      - run: cd harfbuzz-* && ./configure && make && make check && make install
+      - run: cd harfbuzz-* && ./configure && make && make check && make install && make clean
+      - run: cd harfbuzz-* && cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GLIB=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja && ninja -Cbuild && ninja -Cbuild test && ninja -Cbuild install
 
   psvita:
     docker:
diff --git a/test/Makefile.am b/test/Makefile.am
index ec7782260..ad496f559 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -1,7 +1,13 @@
 # Process this file with automake to produce Makefile.in
 
+NULL =
+EXTRA_DIST =
 SUBDIRS = api shaping fuzzing
 
+EXTRA_DIST += \
+	CMakeLists.txt \
+	$(NULL)
+
 # Convenience targets:
 lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 231ec22de..834f43b3c 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -14,6 +14,7 @@ if HAVE_GLIB
 AM_CPPFLAGS = -DSRCDIR="\"$(srcdir)\"" -I$(top_srcdir)/src/ -I$(top_builddir)/src/ $(GLIB_CFLAGS)
 LDADD = $(top_builddir)/src/libharfbuzz.la $(GLIB_LIBS)
 
+EXTRA_DIST += CMakeLists.txt
 EXTRA_DIST += hb-test.h
 
 check_PROGRAMS = $(TEST_PROGS)

From 7d397c5d5ca684fae824a61dabf5bc422d0a516b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 24 Dec 2017 17:53:32 -0500
Subject: [PATCH 0709/1326] Add Coverity badge

---
 README | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README b/README
index aa055169d..6e2132237 100644
--- a/README
+++ b/README
@@ -1,6 +1,7 @@
 [![Build Status](https://travis-ci.org/harfbuzz/harfbuzz.svg)](https://travis-ci.org/harfbuzz/harfbuzz)
 [![Build status](https://ci.appveyor.com/api/projects/status/0t0flrxpstj9lb9w?svg=true)](https://ci.appveyor.com/project/harfbuzz/harfbuzz)
 [![CircleCI](https://circleci.com/gh/harfbuzz/harfbuzz.svg?style=svg)](https://circleci.com/gh/harfbuzz/harfbuzz)
+[![Coverity](https://img.shields.io/coverity/scan/5450.svg)](https://scan.coverity.com/projects/behdad-harfbuzz)
 [![Coverage Status](https://img.shields.io/coveralls/harfbuzz/harfbuzz.svg)](https://coveralls.io/r/harfbuzz/harfbuzz)
 [ABI Tracker](http://abi-laboratory.pro/tracker/timeline/harfbuzz/)
 

From 24b30faa2a285c6e4e46a18c346def2183fc2793 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 25 Dec 2017 22:01:28 +0330
Subject: [PATCH 0710/1326] [cmake] Use GNUInstallDirs values (#665)

---
 CMakeLists.txt | 170 ++++++++++++++++++++++++-------------------------
 1 file changed, 85 insertions(+), 85 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24ccb6fce..d0149b70e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,9 +10,9 @@ if (BUILD_FRAMEWORK)
     message(FATAL_ERROR
       "You should use Xcode generator with BUILD_FRAMEWORK enabled")
   endif ()
-  set(CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD_32_64_BIT)")
-  set(CMAKE_MACOSX_RPATH ON)
-  set(BUILD_SHARED_LIBS ON)
+  set (CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD_32_64_BIT)")
+  set (CMAKE_MACOSX_RPATH ON)
+  set (BUILD_SHARED_LIBS ON)
 endif ()
 
 
@@ -46,19 +46,19 @@ if (WIN32)
 endif ()
 option(HB_BUILD_UTILS "Build harfbuzz utils, needs cairo, freetype, and glib properly be installed" OFF)
 if (HB_BUILD_UTILS)
-  set(HB_HAVE_GLIB ON)
-  set(HB_HAVE_FREETYPE ON)
+  set (HB_HAVE_GLIB ON)
+  set (HB_HAVE_FREETYPE ON)
 endif ()
 
 option(HB_HAVE_GOBJECT "Enable GObject Bindings" OFF)
 if (HB_HAVE_GOBJECT)
-  set(HB_HAVE_GLIB ON)
+  set (HB_HAVE_GLIB ON)
 endif ()
 
 option(HB_HAVE_INTROSPECTION "Enable building introspection (.gir/.typelib) files" OFF)
 if (HB_HAVE_INTROSPECTION)
-  set(HB_HAVE_GOBJECT ON)
-  set(HB_HAVE_GLIB ON)
+  set (HB_HAVE_GOBJECT ON)
+  set (HB_HAVE_GLIB ON)
 endif ()
 
 include_directories(AFTER
@@ -83,29 +83,29 @@ endif ()
 
 
 ## Detect if we are running inside a distribution or regular repository folder
-set(IN_HB_DIST FALSE)
+set (IN_HB_DIST FALSE)
 if (EXISTS "${PROJECT_SOURCE_DIR}/ChangeLog")
   # perhaps we are on dist directory
-  set(IN_HB_DIST TRUE)
-  set(HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
+  set (IN_HB_DIST TRUE)
+  set (HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
 endif ()
 
 
 ## Extract variables from Makefile files
 # http://stackoverflow.com/a/27630120/1414809
 function (prepend var prefix)
-  set(listVar "")
+  set (listVar "")
   foreach (f ${ARGN})
     list(APPEND listVar "${prefix}${f}")
   endforeach ()
-  set(${var} "${listVar}" PARENT_SCOPE)
+  set (${var} "${listVar}" PARENT_SCOPE)
 endfunction ()
 
 function (extract_make_variable variable file prefix)
   string(REGEX MATCH "${variable} = ([^$]+)\\$" temp ${file})
   string(REGEX MATCHALL "[^ \n\t\\]+" list ${CMAKE_MATCH_1})
   prepend(list ${prefix} ${list})
-  set(${variable} ${list} PARENT_SCOPE)
+  set (${variable} ${list} PARENT_SCOPE)
 endfunction ()
 
 file(READ ${PROJECT_SOURCE_DIR}/src/Makefile.sources SRCSOURCES)
@@ -119,9 +119,9 @@ extract_make_variable(HB_OT_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
 extract_make_variable(HB_OT_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
 
 if (IN_HB_DIST)
-  set(RAGEL_GENERATED_DIR "${PROJECT_SOURCE_DIR}/src/")
+  set (RAGEL_GENERATED_DIR "${PROJECT_SOURCE_DIR}/src/")
 else ()
-  set(RAGEL_GENERATED_DIR "${PROJECT_BINARY_DIR}/src/")
+  set (RAGEL_GENERATED_DIR "${PROJECT_BINARY_DIR}/src/")
 endif ()
 extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES} ${RAGEL_GENERATED_DIR})
 extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES} ${RAGEL_GENERATED_DIR})
@@ -134,10 +134,10 @@ extract_make_variable(LIBHB_UCDN_sources ${UCDNSOURCES} "${PROJECT_SOURCE_DIR}/s
 
 file(READ configure.ac CONFIGUREAC)
 string(REGEX MATCH "\\[(([0-9]+)\\.([0-9]+)\\.([0-9]+))\\]" HB_VERSION_MATCH ${CONFIGUREAC})
-set(HB_VERSION ${CMAKE_MATCH_1})
-set(HB_VERSION_MAJOR ${CMAKE_MATCH_2})
-set(HB_VERSION_MINOR ${CMAKE_MATCH_3})
-set(HB_VERSION_MICRO ${CMAKE_MATCH_4})
+set (HB_VERSION ${CMAKE_MATCH_1})
+set (HB_VERSION_MAJOR ${CMAKE_MATCH_2})
+set (HB_VERSION_MINOR ${CMAKE_MATCH_3})
+set (HB_VERSION_MICRO ${CMAKE_MATCH_4})
 
 
 ## Define ragel tasks
@@ -152,11 +152,11 @@ if (NOT IN_HB_DIST)
 
   foreach (ragel_output IN ITEMS ${HB_BASE_RAGEL_GENERATED_sources} ${HB_OT_RAGEL_GENERATED_sources})
     string(REGEX MATCH "([^/]+)\\.hh" temp ${ragel_output})
-    set(target_name ${CMAKE_MATCH_1})
+    set (target_name ${CMAKE_MATCH_1})
     add_custom_command(OUTPUT ${ragel_output}
       COMMAND ${RAGEL} -G2 -o ${ragel_output} ${PROJECT_SOURCE_DIR}/src/${target_name}.rl -I ${PROJECT_SOURCE_DIR} ${ARGN}
       DEPENDS ${PROJECT_SOURCE_DIR}/src/${target_name}.rl
-      )
+    )
     add_custom_target(harfbuzz_${target_name} DEPENDS ${PROJECT_BINARY_DIR}/src/${target_name})
   endforeach ()
 
@@ -166,45 +166,44 @@ endif ()
 
 ## Generate hb-version.h
 if (NOT IN_HB_DIST)
-  set(HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")
-  set(HB_VERSION_H "${PROJECT_BINARY_DIR}/src/hb-version.h")
+  set (HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")
+  set (HB_VERSION_H "${PROJECT_BINARY_DIR}/src/hb-version.h")
   set_source_files_properties("${HB_VERSION_H}" PROPERTIES GENERATED true)
   configure_file("${HB_VERSION_H_IN}" "${HB_VERSION_H}.tmp" @ONLY)
   execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different
     "${HB_VERSION_H}.tmp"
     "${HB_VERSION_H}"
-    )
+  )
   file(REMOVE "${HB_VERSION_H}.tmp")
 endif ()
 
 
 ## Define sources and headers of the project
-set(project_sources
+set (project_sources
   ${HB_BASE_sources}
   ${HB_BASE_RAGEL_GENERATED_sources}
 
   ${HB_FALLBACK_sources}
   ${HB_OT_sources}
   ${HB_OT_RAGEL_GENERATED_sources}
-  )
+)
 
-set(project_extra_sources)
+set (project_extra_sources)
 
-set(project_headers
+set (project_headers
   ${HB_VERSION_H}
 
   ${HB_BASE_headers}
   ${HB_OT_headers}
-  )
+)
 
 
 ## Find and include needed header folders and libraries
 if (HB_HAVE_FREETYPE)
-
   include(FindFreetype)
   if (NOT FREETYPE_FOUND)
     message(FATAL_ERROR "HB_HAVE_FREETYPE was set, but we failed to find it. Maybe add a CMAKE_PREFIX_PATH= to your Freetype2 install prefix")
-  endif()
+  endif ()
 
   list(APPEND THIRD_PARTY_LIBS ${FREETYPE_LIBRARIES})
   include_directories(AFTER ${FREETYPE_INCLUDE_DIRS})
@@ -212,7 +211,6 @@ if (HB_HAVE_FREETYPE)
 
   list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
-
 endif ()
 
 if (HB_HAVE_GRAPHITE2)
@@ -322,8 +320,8 @@ if (HB_HAVE_GOBJECT)
   pkg_check_modules(PC_GLIB QUIET glib-2.0)
   find_program(GLIB_MKENUMS glib-mkenums
     HINTS ${PC_glib_mkenums}
-    )
-  set(GLIB_MKENUMS_CMD)
+  )
+  set (GLIB_MKENUMS_CMD)
 
   if (WIN32 AND NOT MINGW)
     # In Visual Studio builds, shebang lines are not supported
@@ -333,29 +331,29 @@ if (HB_HAVE_GOBJECT)
     execute_process(COMMAND "${PYTHON_EXECUTABLE}" "${GLIB_MKENUMS}" --version
       RESULT_VARIABLE GLIB_MKENUMS_PYTHON
       OUTPUT_QUIET ERROR_QUIET
-      )
+    )
     if (GLIB_MKENUMS_PYTHON EQUAL 0)
       message("${GLIB_MKENUMS} is a Python script.")
-      set(GLIB_MKENUMS_CMD "${PYTHON_EXECUTABLE}" "${GLIB_MKENUMS}")
+      set (GLIB_MKENUMS_CMD "${PYTHON_EXECUTABLE}" "${GLIB_MKENUMS}")
     else ()
       execute_process(COMMAND "${PERL_EXECUTABLE}" "${GLIB_MKENUMS}" --version
         RESULT_VARIABLE GLIB_MKENUMS_PERL
         OUTPUT_QUIET ERROR_QUIET
-        )
+      )
       if (GLIB_MKENUMS_PERL EQUAL 0)
         message("${GLIB_MKENUMS} is a PERL script.")
-        set(GLIB_MKENUMS_CMD "${PERL_EXECUTABLE}" "${GLIB_MKENUMS}")
+        set (GLIB_MKENUMS_CMD "${PERL_EXECUTABLE}" "${GLIB_MKENUMS}")
       endif ()
       if (NOT GLIB_MKENUMS_PERL EQUAL 0 AND NOT GLIB_MKENUMS_PYTHON EQUAL 0)
         message(FATAL_ERROR "Unable to determine type of glib-mkenums script")
       endif ()
-	endif ()
+    endif ()
   else ()
-    set(GLIB_MKENUMS_CMD "${GLIB_MKENUMS}")
+    set (GLIB_MKENUMS_CMD "${GLIB_MKENUMS}")
   endif ()
   if (NOT GLIB_MKENUMS_CMD)
     message(FATAL_ERROR "HB_HAVE_GOBJECT was set, but we failed to find glib-mkenums, which is required")
-  endif()
+  endif ()
 
   pkg_check_modules(PC_GOBJECT QUIET gobject-2.0)
 
@@ -368,19 +366,19 @@ if (HB_HAVE_GOBJECT)
   list(APPEND hb_gobject_sources ${PROJECT_SOURCE_DIR}/src/hb-gobject-structs.cc)
   list(APPEND hb_gobject_gen_sources
     ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc
-    )
+  )
   list(APPEND hb_gobject_structs_headers
     ${PROJECT_SOURCE_DIR}/src/hb-gobject-structs.h
-    )
+  )
   list(APPEND hb_gobject_headers
     ${PROJECT_SOURCE_DIR}/src/hb-gobject.h
     ${hb_gobject_structs_headers}
-    )
+  )
   list(APPEND hb_gobject_gen_headers
     ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
-    )
+  )
 
-  add_custom_command (
+  add_custom_command(
     OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
     COMMAND ${GLIB_MKENUMS_CMD}
       --template=${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.h.tmpl
@@ -396,9 +394,9 @@ if (HB_HAVE_GOBJECT)
     DEPENDS ${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.h.tmpl
       ${hb_gobject_header}
       ${project_headers}
-    )
+  )
 
-  add_custom_command (
+  add_custom_command(
     OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.cc
     COMMAND ${GLIB_MKENUMS_CMD}
       --template=${PROJECT_SOURCE_DIR}/src/hb-gobject-enums.cc.tmpl
@@ -415,7 +413,7 @@ if (HB_HAVE_GOBJECT)
       ${CMAKE_CURRENT_BINARY_DIR}/src/hb-gobject-enums.h
       ${hb_gobject_header}
       ${project_headers}
-    )
+  )
 endif ()
 
 ## Atomic ops availability detection
@@ -461,7 +459,7 @@ if (HB_HAVE_GOBJECT)
     ${hb_gobject_gen_sources}
     ${hb_gobject_headers}
     ${hb_gobject_gen_headers}
-    )
+  )
   include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/src)
   add_dependencies(harfbuzz-gobject harfbuzz)
   target_link_libraries(harfbuzz-gobject harfbuzz ${GOBJECT_LIBRARIES} ${THIRD_PARTY_LIBS})
@@ -471,7 +469,7 @@ endif ()
 if (WIN32)
   if (NOT BUILD_SHARED_LIBS)
     message("Building introspection files on Windows requires BUILD_SHARED_LIBS to be enabled.")
-    set(HB_HAVE_INTROSPECTION OFF)
+    set (HB_HAVE_INTROSPECTION OFF)
   endif ()
 endif ()
 
@@ -482,23 +480,23 @@ if (HB_HAVE_INTROSPECTION)
 
   find_program(G_IR_SCANNER g-ir-scanner
     HINTS ${PC_g_ir_scanner}
-    )
+  )
 
   find_program(G_IR_COMPILER g-ir-compiler
     HINTS ${PC_g_ir_compiler}
-    )
+  )
 
   if (WIN32 AND NOT MINGW)
     # Note that since we already enable HB_HAVE_GOBJECT
     # we would already have PYTHON_EXECUTABLE handy
-    set(G_IR_SCANNER_CMD "${PYTHON_EXECUTABLE}" "${G_IR_SCANNER}")
+    set (G_IR_SCANNER_CMD "${PYTHON_EXECUTABLE}" "${G_IR_SCANNER}")
   else ()
-    set(G_IR_SCANNER_CMD "${G_IR_SCANNER}")
+    set (G_IR_SCANNER_CMD "${G_IR_SCANNER}")
   endif ()
 
   # We need to account for the varying output directories
   # when we build using Visual Studio projects
-  if("${CMAKE_GENERATOR}" MATCHES "Visual Studio*")
+  if ("${CMAKE_GENERATOR}" MATCHES "Visual Studio*")
     set (hb_libpath "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIGURATION>")
   else ()
     set (hb_libpath "$<TARGET_FILE_DIR:harfbuzz-gobject>")
@@ -506,9 +504,9 @@ if (HB_HAVE_INTROSPECTION)
 
   # Get the CFlags that we used to build HarfBuzz/HarfBuzz-GObject
   set (hb_defines_cflags "")
-  foreach(hb_cflag ${hb_cflags})
+  foreach (hb_cflag ${hb_cflags})
     list(APPEND hb_defines_cflags "-D${hb_cflag}")
-  endforeach(hb_cflag)
+  endforeach (hb_cflag)
 
   # Get the other dependent libraries we used to build HarfBuzz/HarfBuzz-GObject
   set (extra_libs "")
@@ -518,7 +516,7 @@ if (HB_HAVE_INTROSPECTION)
     list(APPEND extra_libs "--extra-library=${extra_lib_stripped}")
   endforeach ()
 
-  set(introspected_sources)
+  set (introspected_sources)
   foreach (f
     ${project_headers}
     ${project_sources}
@@ -545,7 +543,7 @@ if (HB_HAVE_INTROSPECTION)
   endforeach ()
 
   # Finally, build the introspection files...
-  add_custom_command (
+  add_custom_command(
     TARGET harfbuzz-gobject
     POST_BUILD
     COMMAND ${G_IR_SCANNER_CMD}
@@ -576,9 +574,9 @@ if (HB_HAVE_INTROSPECTION)
       ${introspected_sources}
       -o ${hb_libpath}/HarfBuzz-0.0.gir
     DEPENDS harfbuzz-gobject harfbuzz
-    )
+  )
 
-  add_custom_command (
+  add_custom_command(
     TARGET harfbuzz-gobject
     POST_BUILD
     COMMAND "${G_IR_COMPILER}"
@@ -587,20 +585,20 @@ if (HB_HAVE_INTROSPECTION)
       ${hb_libpath}/HarfBuzz-0.0.gir
       -o ${hb_libpath}/HarfBuzz-0.0.typelib
     DEPENDS ${hb_libpath}/HarfBuzz-0.0.gir harfbuzz-gobject
-    )
+  )
 endif ()
 
 ## Additional framework build configs
 if (BUILD_FRAMEWORK)
-  set(CMAKE_MACOSX_RPATH ON)
+  set (CMAKE_MACOSX_RPATH ON)
   set_target_properties(harfbuzz PROPERTIES
     FRAMEWORK TRUE
     PUBLIC_HEADER "${project_headers}"
     XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
   )
-  set(MACOSX_FRAMEWORK_IDENTIFIER "harfbuzz")
-  set(MACOSX_FRAMEWORK_SHORT_VERSION_STRING "${HB_VERSION}")
-  set(MACOSX_FRAMEWORK_BUNDLE_VERSION "${HB_VERSION}")
+  set (MACOSX_FRAMEWORK_IDENTIFIER "harfbuzz")
+  set (MACOSX_FRAMEWORK_SHORT_VERSION_STRING "${HB_VERSION}")
+  set (MACOSX_FRAMEWORK_BUNDLE_VERSION "${HB_VERSION}")
 endif ()
 
 
@@ -631,56 +629,58 @@ endif ()
 
 
 ## Install
+include(GNUInstallDirs)
+
 if (NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
-  install(FILES ${project_headers} DESTINATION include/harfbuzz)
+  install(FILES ${project_headers} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/harfbuzz)
   if (HB_HAVE_GOBJECT)
-    install(FILES ${hb_gobject_headers} ${hb_gobject_gen_headers} DESTINATION include/harfbuzz)
+    install(FILES ${hb_gobject_headers} ${hb_gobject_gen_headers} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/harfbuzz)
   endif ()
 endif ()
 
 if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
   install(TARGETS harfbuzz
-    ARCHIVE DESTINATION lib
-    LIBRARY DESTINATION lib
-    RUNTIME DESTINATION bin
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
     FRAMEWORK DESTINATION Library/Frameworks
-    )
+  )
   if (HB_BUILD_UTILS)
     install(TARGETS hb-view
-      RUNTIME DESTINATION bin
+      RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
     )
     install(TARGETS hb-view
-      RUNTIME DESTINATION bin
+      RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
     )
 
     install(TARGETS hb-shape
-      RUNTIME DESTINATION bin
+      RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
     )
 
     install(TARGETS hb-ot-shape-closure
-      RUNTIME DESTINATION bin
+      RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
     )
   endif ()
   if (HB_HAVE_GOBJECT)
     install(TARGETS harfbuzz-gobject
-      ARCHIVE DESTINATION lib
-      LIBRARY DESTINATION lib
-      RUNTIME DESTINATION bin
+      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+      LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+      RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
     )
     if (HB_HAVE_INTROSPECTION)
-      if("${CMAKE_GENERATOR}" MATCHES "Visual Studio*")
+      if ("${CMAKE_GENERATOR}" MATCHES "Visual Studio*")
         set (hb_libpath "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIGURATION>")
       else ()
         set (hb_libpath "$<TARGET_FILE_DIR:harfbuzz-gobject>")
       endif ()
 
       install(FILES "${hb_libpath}/HarfBuzz-0.0.gir"
-        DESTINATION share/gir-1.0
+        DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/gir-1.0
         )
 
       install(FILES "${hb_libpath}/HarfBuzz-0.0.typelib"
-        DESTINATION lib/girepository-1.0
-        )
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/girepository-1.0
+      )
     endif ()
   endif ()
 endif ()

From 2dbdeb14214487acd0ff011386c49263ce800813 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 29 Dec 2017 23:13:29 +0330
Subject: [PATCH 0711/1326] [cmake] Run fuzzing and shaping tests (#666)

---
 .circleci/config.yml             |  2 +-
 CMakeLists.txt                   | 57 +++++++++++++++++++-------------
 appveyor.yml                     |  4 +--
 test/CMakeLists.txt              |  5 +++
 test/api/CMakeLists.txt          | 48 +++++++++++----------------
 test/fuzzing/CMakeLists.txt      |  9 +++++
 test/fuzzing/Makefile.am         | 18 ++++++++++
 test/fuzzing/run-fuzzer-tests.py | 28 ++++++++++++++++
 test/shaping/CMakeLists.txt      | 11 ++++++
 test/shaping/Makefile.am         |  3 +-
 test/shaping/run-tests.py        |  3 +-
 11 files changed, 131 insertions(+), 57 deletions(-)
 create mode 100644 test/fuzzing/CMakeLists.txt
 create mode 100755 test/fuzzing/run-fuzzer-tests.py
 create mode 100644 test/shaping/CMakeLists.txt

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4162488f4..8f164384f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ jobs:
       - image: fedora
     steps:
       - checkout
-      - run: dnf install -y gcc ragel cmake make which glib2-devel freetype-devel cairo-devel libicu-devel graphite2-devel wget tar bzip2 || true
+      - run: dnf install -y gcc ragel cmake make which glib2-devel freetype-devel cairo-devel libicu-devel graphite2-devel wget tar bzip2 python || true
       - run: wget http://$ODSUSER:$ODSPASS@behdad.org/harfbuzz-private/OracleDeveloperStudio12.6-linux-x86-bin.tar.bz2 && tar xf OracleDeveloperStudio12.6-linux-x86-bin.tar.bz2 --owner root --group root --no-same-owner
       - run: CC=/root/project/OracleDeveloperStudio12.6-linux-x86-bin/developerstudio12.6/bin/suncc CXX=/root/project/OracleDeveloperStudio12.6-linux-x86-bin/developerstudio12.6/bin/sunCC cmake -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_HAVE_FREETYPE=ON -Bbuild -H.
       - run: make -Cbuild
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0149b70e..a24b136bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,45 +92,56 @@ endif ()
 
 
 ## Extract variables from Makefile files
-# http://stackoverflow.com/a/27630120/1414809
-function (prepend var prefix)
+function (extract_make_variable variable makefile_source)
+  string(REGEX MATCH "${variable} = ([^$]+)\\$" temp ${makefile_source})
+  string(REGEX MATCHALL "[^ \n\t\\]+" listVar ${CMAKE_MATCH_1})
+  set (${variable} ${listVar} PARENT_SCOPE)
+endfunction ()
+
+# http://stackoverflow.com/a/27630120
+function (add_prefix_to_list var prefix)
   set (listVar "")
-  foreach (f ${ARGN})
+  foreach (f ${${var}})
     list(APPEND listVar "${prefix}${f}")
   endforeach ()
   set (${var} "${listVar}" PARENT_SCOPE)
 endfunction ()
 
-function (extract_make_variable variable file prefix)
-  string(REGEX MATCH "${variable} = ([^$]+)\\$" temp ${file})
-  string(REGEX MATCHALL "[^ \n\t\\]+" list ${CMAKE_MATCH_1})
-  prepend(list ${prefix} ${list})
-  set (${variable} ${list} PARENT_SCOPE)
-endfunction ()
-
 file(READ ${PROJECT_SOURCE_DIR}/src/Makefile.sources SRCSOURCES)
 file(READ ${PROJECT_SOURCE_DIR}/util/Makefile.sources UTILSOURCES)
 file(READ ${PROJECT_SOURCE_DIR}/src/hb-ucdn/Makefile.sources UCDNSOURCES)
 
-extract_make_variable(HB_BASE_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
-extract_make_variable(HB_BASE_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
-extract_make_variable(HB_FALLBACK_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
-extract_make_variable(HB_OT_sources ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
-extract_make_variable(HB_OT_headers ${SRCSOURCES} "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_BASE_sources ${SRCSOURCES})
+add_prefix_to_list(HB_BASE_sources "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_BASE_headers ${SRCSOURCES})
+add_prefix_to_list(HB_BASE_headers "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_FALLBACK_sources ${SRCSOURCES})
+add_prefix_to_list(HB_FALLBACK_sources "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_OT_sources ${SRCSOURCES})
+add_prefix_to_list(HB_OT_sources "${PROJECT_SOURCE_DIR}/src/")
+extract_make_variable(HB_OT_headers ${SRCSOURCES})
+add_prefix_to_list(HB_OT_headers "${PROJECT_SOURCE_DIR}/src/")
 
+extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES})
+extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES})
 if (IN_HB_DIST)
-  set (RAGEL_GENERATED_DIR "${PROJECT_SOURCE_DIR}/src/")
+  add_prefix_to_list(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src/")
+  add_prefix_to_list(HB_OT_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src/")
 else ()
-  set (RAGEL_GENERATED_DIR "${PROJECT_BINARY_DIR}/src/")
+  add_prefix_to_list(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/")
+  add_prefix_to_list(HB_OT_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/")
 endif ()
-extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES} ${RAGEL_GENERATED_DIR})
-extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES} ${RAGEL_GENERATED_DIR})
 
-extract_make_variable(HB_VIEW_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")
-extract_make_variable(HB_SHAPE_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")
-extract_make_variable(HB_OT_SHAPE_CLOSURE_sources ${UTILSOURCES} "${PROJECT_SOURCE_DIR}/util/")
+extract_make_variable(HB_VIEW_sources ${UTILSOURCES})
+add_prefix_to_list(HB_VIEW_sources "${PROJECT_SOURCE_DIR}/util/")
+extract_make_variable(HB_SHAPE_sources ${UTILSOURCES})
+add_prefix_to_list(HB_SHAPE_sources "${PROJECT_SOURCE_DIR}/util/")
+extract_make_variable(HB_OT_SHAPE_CLOSURE_sources ${UTILSOURCES})
+add_prefix_to_list(HB_OT_SHAPE_CLOSURE_sources "${PROJECT_SOURCE_DIR}/util/")
+
+extract_make_variable(LIBHB_UCDN_sources ${UCDNSOURCES})
+add_prefix_to_list(LIBHB_UCDN_sources "${PROJECT_SOURCE_DIR}/src/hb-ucdn/")
 
-extract_make_variable(LIBHB_UCDN_sources ${UCDNSOURCES} "${PROJECT_SOURCE_DIR}/src/hb-ucdn/")
 
 file(READ configure.ac CONFIGUREAC)
 string(REGEX MATCH "\\[(([0-9]+)\\.([0-9]+)\\.([0-9]+))\\]" HB_VERSION_MATCH ${CONFIGUREAC})
diff --git a/appveyor.yml b/appveyor.yml
index 9a34052bb..faa04d0ce 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -41,9 +41,9 @@ build_script:
   - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_FREETYPE=ON -G "%generator%" -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ../'
 
   - 'if "%compiler%"=="msvc" msbuild harfbuzz.sln /p:Configuration=%configuration% /p:Platform=%platform%'
-  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" ctest'
+  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" ctest --output-on-failure'
 
-  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config,python2}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat */test-suite.log test/*/test-suite.log && false)"'
 
 cache:
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 53d257b04..2bebd07fa 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1 +1,6 @@
 add_subdirectory(api)
+add_subdirectory(shaping)
+# Not ready yet
+if (NOT MSVC)
+  add_subdirectory(fuzzing)
+endif ()
diff --git a/test/api/CMakeLists.txt b/test/api/CMakeLists.txt
index 4e786ba6b..c3914e481 100644
--- a/test/api/CMakeLists.txt
+++ b/test/api/CMakeLists.txt
@@ -1,39 +1,29 @@
-macro (_add_tests)
-  foreach(test_name ${ARGV})
+if (HB_HAVE_GLIB)
+  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/Makefile.am" MAKEFILEAM)
+  extract_make_variable (TEST_PROGS ${MAKEFILEAM})
+
+  list (APPEND TEST_PROGS
+    test-ot-tag
+    test-c
+    test-cplusplus
+  )
+
+  if (HB_HAVE_FREETYPE)
+    list (APPEND TEST_PROGS test-ot-math)
+  endif ()
+
+  foreach (test_name IN ITEMS ${TEST_PROGS})
     if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${test_name}.c)
       add_executable (${test_name} ${test_name}.c)
     elseif (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${test_name}.cc)
       add_executable (${test_name} ${test_name}.cc)
     else ()
-      message(FATAL_ERROR "No source file found for test ${test_name}")
+      message (FATAL_ERROR "No source file found for test ${test_name}")
     endif ()
     target_link_libraries (${test_name} harfbuzz)
     add_test (${test_name} ${test_name})
   endforeach ()
-  set_tests_properties (${ARGV} PROPERTIES ENVIRONMENT
+  set_tests_properties (${TEST_PROGS} PROPERTIES ENVIRONMENT
     "G_TEST_SRCDIR=${CMAKE_CURRENT_SOURCE_DIR};G_TEST_BUILDDIR=${CMAKE_CURRENT_BINARY_DIR}"
-    )
-endmacro ()
-
-if (HB_HAVE_GLIB)
-  _add_tests (
-    test-blob
-    test-buffer
-    test-common
-    test-font
-    test-object
-    test-set
-    test-shape
-    test-unicode
-    test-version
-    test-ot-tag
-    test-c
-    test-cplusplus
-    )
-
-  if (HB_HAVE_FREETYPE)
-    _add_tests (
-      test-ot-math
-      )
-  endif (HB_HAVE_FREETYPE)
-endif (HB_HAVE_GLIB)
+  )
+endif ()
diff --git a/test/fuzzing/CMakeLists.txt b/test/fuzzing/CMakeLists.txt
new file mode 100644
index 000000000..48432296a
--- /dev/null
+++ b/test/fuzzing/CMakeLists.txt
@@ -0,0 +1,9 @@
+if (HB_HAVE_GLIB)
+  add_executable (hb-fuzzer hb-fuzzer.cc hb-fuzzer.hh main.cc)
+  target_link_libraries (hb-fuzzer harfbuzz)
+  add_test (hb-fuzzer python run-fuzzer-tests.py)
+  set_tests_properties (hb-fuzzer PROPERTIES
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    ENVIRONMENT "top_builddir=${PROJECT_BINARY_DIR};testdir=test;fuzzingdir=fuzzing"
+  )
+endif ()
diff --git a/test/fuzzing/Makefile.am b/test/fuzzing/Makefile.am
index 3ea8605bd..2c0eb908f 100644
--- a/test/fuzzing/Makefile.am
+++ b/test/fuzzing/Makefile.am
@@ -14,6 +14,8 @@ $(top_builddir)/src/libharfbuzz-fuzzing.la: lib
 
 EXTRA_DIST += \
 	README \
+	run-fuzzer-tests.py \
+	CMakeLists.txt \
 	$(NULL)
 
 check_PROGRAMS = \
@@ -44,6 +46,22 @@ hb_fuzzer_DEPENDENCIES = \
 	lib \
 	$(NULL)
 
+AM_TESTS_ENVIRONMENT = \
+	EXEEXT="$(EXEEXT)"; \
+	export EXEEXT; \
+	srcdir="$(srcdir)"; \
+	export srcdir; \
+	builddir="$(builddir)"; \
+	export builddir; \
+	$(NULL)
+
+if AUTOMAKE_OLDER_THAN_1_13
+TESTS_ENVIRONMENT = \
+	$(AM_TESTS_ENVIRONMENT) \
+	$(TESTS_LOG_COMPILER) \
+	$(NULL)
+endif
+
 check:
 	cat $(srcdir)/../shaping/tests/fuzzed.tests | \
 	cut -d: -f1 | while read x; do \
diff --git a/test/fuzzing/run-fuzzer-tests.py b/test/fuzzing/run-fuzzer-tests.py
new file mode 100755
index 000000000..3fc788375
--- /dev/null
+++ b/test/fuzzing/run-fuzzer-tests.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+import sys, os, subprocess
+
+srcdir = os.environ.get ("srcdir", ".")
+EXEEXT = os.environ.get ("EXEEXT", "")
+top_builddir = os.environ.get ("top_builddir", ".")
+testdir = os.environ.get ("testdir", ".")
+fuzzingdir = os.environ.get ("fuzzingdir", ".")
+hb_fuzzer = os.path.join (top_builddir, testdir, fuzzingdir, "hb-fuzzer" + EXEEXT)
+fails = 0
+
+for line in open (os.path.join (srcdir, "..", "shaping", "tests", "fuzzed.tests")):
+	font = line.split (":")[0]
+
+	p = subprocess.Popen (
+		[hb_fuzzer, os.path.join (srcdir, "..", "shaping", font)],
+		stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+	if p.wait () != 0:
+		fails = fails + 1
+
+	print ((p.stdout.read () + p.stderr.read ()).decode ("utf-8").strip ())
+
+if fails:
+	print ("%i fuzzer related tests failed." % fails)
+	sys.exit (1)
diff --git a/test/shaping/CMakeLists.txt b/test/shaping/CMakeLists.txt
new file mode 100644
index 000000000..5310a2c23
--- /dev/null
+++ b/test/shaping/CMakeLists.txt
@@ -0,0 +1,11 @@
+if (HB_BUILD_UTILS)
+  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/Makefile.am" MAKEFILEAM)
+  extract_make_variable (TESTS ${MAKEFILEAM})
+  foreach (test IN ITEMS ${TESTS})
+    add_test (${test} python run-tests.py "${test}")
+    set_tests_properties (${test} PROPERTIES
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+      ENVIRONMENT "top_builddir=${PROJECT_BINARY_DIR};utildir=."
+    )
+  endforeach ()
+endif ()
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 4cf55749b..4379363fb 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -29,6 +29,7 @@ EXTRA_DIST += \
 	run-tests.py \
 	texts/in-tree \
 	fonts/sha1sum \
+	CMakeLists.txt \
 	$(TESTS) \
 	$(NULL)
 
@@ -104,7 +105,7 @@ TESTS_ENVIRONMENT = \
 	$(NULL)
 endif
 
-TESTS_LOG_COMPILER = python $(srcdir)/run-tests.py
+TESTS_LOG_COMPILER = $(srcdir)/run-tests.py
 
 .PHONY: manifests
 
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index ebba75aae..09c2f6857 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -22,10 +22,11 @@ srcdir = os.environ.get ("srcdir", ".")
 builddir = os.environ.get ("builddir", ".")
 top_builddir = os.environ.get ("top_builddir",
 	os.path.normpath (os.path.join (os.getcwd (), "..", "..")))
+utildir = os.environ.get ("utildir", "util")
 EXEEXT = os.environ.get ("EXEEXT", "")
 
 extra_options = "--verify"
-hb_shape = os.path.join (top_builddir, "util", "hb-shape" + EXEEXT)
+hb_shape = os.path.join (top_builddir, utildir, "hb-shape" + EXEEXT)
 
 fails = 0
 args = sys.argv[1:]

From 4e3cf91af29ff654eca91e43c0af1c1a7171b9fa Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 1 Jan 2018 11:17:51 +0330
Subject: [PATCH 0712/1326] [cmake] Run rest of the tests on Windows (#668)

---
 appveyor.yml                     |  6 +++---
 test/CMakeLists.txt              |  5 +----
 test/fuzzing/CMakeLists.txt      | 12 ++++++------
 test/fuzzing/Makefile.am         |  5 +----
 test/fuzzing/run-fuzzer-tests.py | 12 +++++++++---
 test/shaping/CMakeLists.txt      |  9 ++++-----
 test/shaping/run-tests.py        | 10 +++++++++-
 7 files changed, 33 insertions(+), 26 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index faa04d0ce..7350b1357 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -32,16 +32,16 @@ install:
   - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-ragel"
 
 build_script:
-  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" vcpkg install glib:%triplet% freetype:%triplet%'
+  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" vcpkg install glib:%triplet% freetype:%triplet% cairo:%triplet%'
   - 'if "%compiler%"=="msvc" md build'
   - 'if "%compiler%"=="msvc" cd build'
   - 'if "%compiler%"=="msvc" set PATH=%PATH%;C:\Program Files (x86)\MSBuild\14.0\Bin;c:\msys64\mingw64\bin' # msys2 is added just for having "ragel" on PATH
 
   - 'if "%compiler%"=="msvc" if "%platform%"=="ARM" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -G "%generator%" ../'
-  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_FREETYPE=ON -G "%generator%" -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ../'
+  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" cmake -DHB_HAVE_UNISCRIBE=ON -DHB_HAVE_DIRECTWRITE=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_FREETYPE=ON -DHB_BUILD_UTILS=ON -G "%generator%" -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ../'
 
   - 'if "%compiler%"=="msvc" msbuild harfbuzz.sln /p:Configuration=%configuration% /p:Platform=%platform%'
-  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" ctest --output-on-failure'
+  - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" ctest --output-on-failure -C %configuration%'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config,python2}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat */test-suite.log test/*/test-suite.log && false)"'
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2bebd07fa..2c97f4f81 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,6 +1,3 @@
 add_subdirectory(api)
 add_subdirectory(shaping)
-# Not ready yet
-if (NOT MSVC)
-  add_subdirectory(fuzzing)
-endif ()
+add_subdirectory(fuzzing)
diff --git a/test/fuzzing/CMakeLists.txt b/test/fuzzing/CMakeLists.txt
index 48432296a..06355991b 100644
--- a/test/fuzzing/CMakeLists.txt
+++ b/test/fuzzing/CMakeLists.txt
@@ -1,9 +1,9 @@
 if (HB_HAVE_GLIB)
-  add_executable (hb-fuzzer hb-fuzzer.cc hb-fuzzer.hh main.cc)
+  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/Makefile.am" MAKEFILEAM)
+  extract_make_variable (hb_fuzzer_SOURCES ${MAKEFILEAM})
+  add_executable (hb-fuzzer ${hb_fuzzer_SOURCES})
   target_link_libraries (hb-fuzzer harfbuzz)
-  add_test (hb-fuzzer python run-fuzzer-tests.py)
-  set_tests_properties (hb-fuzzer PROPERTIES
-    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-    ENVIRONMENT "top_builddir=${PROJECT_BINARY_DIR};testdir=test;fuzzingdir=fuzzing"
-  )
+  add_test (NAME hb-fuzzer
+    COMMAND python run-fuzzer-tests.py $<TARGET_FILE:hb-fuzzer>
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 endif ()
diff --git a/test/fuzzing/Makefile.am b/test/fuzzing/Makefile.am
index 2c0eb908f..6120afce7 100644
--- a/test/fuzzing/Makefile.am
+++ b/test/fuzzing/Makefile.am
@@ -63,9 +63,6 @@ TESTS_ENVIRONMENT = \
 endif
 
 check:
-	cat $(srcdir)/../shaping/tests/fuzzed.tests | \
-	cut -d: -f1 | while read x; do \
-		./hb-fuzzer $(srcdir)/../shaping/$$x; \
-	done
+	$(srcdir)/run-fuzzer-tests.py
 
 -include $(top_srcdir)/git.mk
diff --git a/test/fuzzing/run-fuzzer-tests.py b/test/fuzzing/run-fuzzer-tests.py
index 3fc788375..aa615af70 100755
--- a/test/fuzzing/run-fuzzer-tests.py
+++ b/test/fuzzing/run-fuzzer-tests.py
@@ -6,9 +6,15 @@ import sys, os, subprocess
 srcdir = os.environ.get ("srcdir", ".")
 EXEEXT = os.environ.get ("EXEEXT", "")
 top_builddir = os.environ.get ("top_builddir", ".")
-testdir = os.environ.get ("testdir", ".")
-fuzzingdir = os.environ.get ("fuzzingdir", ".")
-hb_fuzzer = os.path.join (top_builddir, testdir, fuzzingdir, "hb-fuzzer" + EXEEXT)
+hb_fuzzer = os.path.join (top_builddir, "hb-fuzzer" + EXEEXT)
+
+if hb_fuzzer == ".\\hb-fuzzer":
+	hb_fuzzer = "./hb-fuzzer.exe"
+
+if not os.path.exists (hb_fuzzer):
+	hb_fuzzer = sys.argv[1]
+
+print ('hb_fuzzer:', hb_fuzzer)
 fails = 0
 
 for line in open (os.path.join (srcdir, "..", "shaping", "tests", "fuzzed.tests")):
diff --git a/test/shaping/CMakeLists.txt b/test/shaping/CMakeLists.txt
index 5310a2c23..e186858b5 100644
--- a/test/shaping/CMakeLists.txt
+++ b/test/shaping/CMakeLists.txt
@@ -1,11 +1,10 @@
 if (HB_BUILD_UTILS)
   file (READ "${CMAKE_CURRENT_SOURCE_DIR}/Makefile.am" MAKEFILEAM)
   extract_make_variable (TESTS ${MAKEFILEAM})
+
   foreach (test IN ITEMS ${TESTS})
-    add_test (${test} python run-tests.py "${test}")
-    set_tests_properties (${test} PROPERTIES
-      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-      ENVIRONMENT "top_builddir=${PROJECT_BINARY_DIR};utildir=."
-    )
+    add_test (NAME ${test}
+      COMMAND python run-tests.py $<TARGET_FILE:hb-shape> "${test}"
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
   endforeach ()
 endif ()
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index 09c2f6857..342c006ef 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -28,14 +28,22 @@ EXEEXT = os.environ.get ("EXEEXT", "")
 extra_options = "--verify"
 hb_shape = os.path.join (top_builddir, utildir, "hb-shape" + EXEEXT)
 
-fails = 0
 args = sys.argv[1:]
 
+if not os.path.exists (hb_shape):
+	hb_shape = args[0]
+	args = args[1:]
+
+fails = 0
+
 reference = False
 if len (args) and args[0] == "--reference":
 	reference = True
 	args = args[1:]
 
+if not reference:
+	print ('hb_shape:', hb_shape)
+
 if not len (args):
 	args = [sys.stdin]
 

From 3db1d34264d9405c7356668aa3c8ed3ab103da3c Mon Sep 17 00:00:00 2001
From: Romain Ouabdelkader <rouabdelkader@gopro.com>
Date: Thu, 21 Dec 2017 14:39:34 +0100
Subject: [PATCH 0713/1326] link with CoreFoundation when using CoreText

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 7f24627ff..0227166f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -429,7 +429,7 @@ if test "x$with_coretext" = "xyes" -o "x$with_coretext" = "xauto"; then
 
 		if $have_coretext; then
 			CORETEXT_CFLAGS=
-			CORETEXT_LIBS="-framework CoreText -framework CoreGraphics"
+			CORETEXT_LIBS="-framework CoreText -framework CoreGraphics -framework CoreFoundation"
 			AC_SUBST(CORETEXT_CFLAGS)
 			AC_SUBST(CORETEXT_LIBS)
 		fi

From 4f6754ac0190f04b5f27306b087827b8f2e13046 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Wed, 3 Jan 2018 00:15:18 +0700
Subject: [PATCH 0714/1326] Improve Markdown usage in BUILD.md.

---
 BUILD.md | 36 +++++++++++++++++++++++-------------
 1 file changed, 23 insertions(+), 13 deletions(-)

diff --git a/BUILD.md b/BUILD.md
index 9e5a55bd6..8a6b5695a 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -1,9 +1,11 @@
 On Linux, install the development packages for FreeType,
 Cairo, and GLib. For example, on Ubuntu / Debian, you would do:
-* sudo apt-get install gcc g++ libfreetype6-dev libglib2.0-dev libcairo2-dev
+
+    sudo apt-get install gcc g++ libfreetype6-dev libglib2.0-dev libcairo2-dev
 
 whereas on Fedora, RHEL, CentOS, and other Red Hat based systems you would do:
-* sudo yum install gcc gcc-c++ freetype-devel glib2-devel cairo-devel
+
+    sudo yum install gcc gcc-c++ freetype-devel glib2-devel cairo-devel
 
 on Windows, consider using [vcpkg](https://github.com/Microsoft/vcpkg),
 provided by Microsoft, for building HarfBuzz and other open-source libraries
@@ -12,29 +14,37 @@ PATH and follow appveyor CI's cmake
 [build steps](https://github.com/harfbuzz/harfbuzz/blob/master/appveyor.yml).
 
 on macOS, using MacPorts:
-* sudo port install freetype glib2 cairo
+
+    sudo port install freetype glib2 cairo
 
 or using Homebrew:
-* brew install freetype glib cairo
+
+    brew install freetype glib cairo
 
 If you are using a tarball, you can now proceed to running configure and make
 as with any other standard package. That should leave you with a shared
-library in src/, and a few utility programs including hb-view and hb-shape
-under util/.
+library in `src/`, and a few utility programs including `hb-view` and `hb-shape`
+under `util/`.
+
 If you are bootstraping from git, you need a few more tools before you can
-run autogen.sh for the first time. Namely, pkg-config and ragel. Again,
-on Ubuntu / Debian:
-* sudo apt-get install autoconf automake libtool pkg-config ragel gtk-doc-tools
+run `autogen.sh` for the first time. Namely, `pkg-config` and `ragel`.
+
+Again, on Ubuntu / Debian:
+
+    sudo apt-get install autoconf automake libtool pkg-config ragel gtk-doc-tools
 
 and on Fedora, RHEL, CentOS:
-* sudo yum install autoconf automake libtool pkgconfig ragel gtk-doc
+
+    sudo yum install autoconf automake libtool pkgconfig ragel gtk-doc
 
 on the Mac, using MacPorts:
-* sudo port install autoconf automake libtool pkgconfig ragel gtk-doc
+
+    sudo port install autoconf automake libtool pkgconfig ragel gtk-doc
 
 or using Homebrew:
-* brew install autoconf automake libtool pkgconfig ragel gtk-doc
+
+    brew install autoconf automake libtool pkgconfig ragel gtk-doc
 
 To build the Python bindings, you also need:
 
-* brew install pygobject3
+    brew install pygobject3

From 85ec6d34439194a88c7dfdd8303369311e08e031 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Wed, 3 Jan 2018 01:23:23 +0700
Subject: [PATCH 0715/1326] Fix typos.

---
 docs/usermanual-clusters.xml         | 4 ++--
 docs/usermanual-install-harfbuzz.xml | 2 +-
 src/hb-font.h                        | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/docs/usermanual-clusters.xml b/docs/usermanual-clusters.xml
index 8b64bdee3..608371b00 100644
--- a/docs/usermanual-clusters.xml
+++ b/docs/usermanual-clusters.xml
@@ -290,11 +290,11 @@
   0 ,3,2,4   
 </programlisting>
     <para>
-      There's no way to differentitate between these two scenarios based
+      There's no way to differentiate between these two scenarios based
       on the cluster numbers alone.
     </para>
     <para>
-      Another problem appens with ligatures under level 2 if the
+      Another problem happens with ligatures under level 2 if the
       direction of the text is forced to opposite of its natural
       direction (e.g. left-to-right Arabic). But that's too much of a
       corner case to worry about.
diff --git a/docs/usermanual-install-harfbuzz.xml b/docs/usermanual-install-harfbuzz.xml
index 37450d0bb..899cc5bd6 100644
--- a/docs/usermanual-install-harfbuzz.xml
+++ b/docs/usermanual-install-harfbuzz.xml
@@ -50,7 +50,7 @@
       and hb-shape under <filename>util/</filename>.
     </para>
     <para>
-      If you are bootstraping from git, you need a few more tools before you
+      If you are bootstrapping from git, you need a few more tools before you
       can run <filename>autogen.sh</filename> for the first time. Namely,
       pkg-config and <ulink url="http://www.complang.org/ragel/">ragel</ulink>.
       Again, on Ubuntu / Debian:
diff --git a/src/hb-font.h b/src/hb-font.h
index 540cdcab9..c95b61d2d 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -456,7 +456,7 @@ hb_font_get_glyph_from_name (hb_font_t *font,
 /* high-level funcs, with fallback */
 
 /* Calls either hb_font_get_nominal_glyph() if variation_selector is 0,
- * otherwise callse hb_font_get_variation_glyph(). */
+ * otherwise calls hb_font_get_variation_glyph(). */
 HB_EXTERN hb_bool_t
 hb_font_get_glyph (hb_font_t *font,
 		   hb_codepoint_t unicode, hb_codepoint_t variation_selector,

From 70807ad274be39d58a5b43e12d4585325cb314c4 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 2 Jan 2018 23:52:12 +0330
Subject: [PATCH 0716/1326] Fix make check issue on out-of-tree builds and test
 it (#672)

---
 .circleci/config.yml             |  8 ++++----
 test/fuzzing/Makefile.am         | 18 +-----------------
 test/fuzzing/run-fuzzer-tests.py |  8 +++++---
 test/shaping/run-tests.py        |  5 +++++
 4 files changed, 15 insertions(+), 24 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8f164384f..3ddc693bb 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -14,14 +14,14 @@ jobs:
       - run: make -Cbuild test
       - run: make -Cbuild install
 
-  fedora:
+  fedora-out-of-tree:
     docker:
       - image: fedora
     steps:
       - checkout
       - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config || true
-      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: make && make check
+      - run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
+      - run: mkdir build && cd build && ../configure && make && make check
 
   archlinux:
     docker:
@@ -140,7 +140,7 @@ workflows:
   build:
     jobs:
       - oracledeveloperstudio
-      - fedora
+      - fedora-out-of-tree
       - archlinux
       - freebsd9
       - base
diff --git a/test/fuzzing/Makefile.am b/test/fuzzing/Makefile.am
index 6120afce7..a7f736239 100644
--- a/test/fuzzing/Makefile.am
+++ b/test/fuzzing/Makefile.am
@@ -46,23 +46,7 @@ hb_fuzzer_DEPENDENCIES = \
 	lib \
 	$(NULL)
 
-AM_TESTS_ENVIRONMENT = \
-	EXEEXT="$(EXEEXT)"; \
-	export EXEEXT; \
-	srcdir="$(srcdir)"; \
-	export srcdir; \
-	builddir="$(builddir)"; \
-	export builddir; \
-	$(NULL)
-
-if AUTOMAKE_OLDER_THAN_1_13
-TESTS_ENVIRONMENT = \
-	$(AM_TESTS_ENVIRONMENT) \
-	$(TESTS_LOG_COMPILER) \
-	$(NULL)
-endif
-
 check:
-	$(srcdir)/run-fuzzer-tests.py
+	EXEEXT="$(EXEEXT)" srcdir="$(srcdir)" builddir="$(builddir)" $(srcdir)/run-fuzzer-tests.py
 
 -include $(top_srcdir)/git.mk
diff --git a/test/fuzzing/run-fuzzer-tests.py b/test/fuzzing/run-fuzzer-tests.py
index aa615af70..673ee9a96 100755
--- a/test/fuzzing/run-fuzzer-tests.py
+++ b/test/fuzzing/run-fuzzer-tests.py
@@ -8,10 +8,12 @@ EXEEXT = os.environ.get ("EXEEXT", "")
 top_builddir = os.environ.get ("top_builddir", ".")
 hb_fuzzer = os.path.join (top_builddir, "hb-fuzzer" + EXEEXT)
 
-if hb_fuzzer == ".\\hb-fuzzer":
-	hb_fuzzer = "./hb-fuzzer.exe"
-
 if not os.path.exists (hb_fuzzer):
+	if len (sys.argv) == 1 or not os.path.exists (sys.argv[1]):
+		print ("""Failed to find hb-fuzzer binary automatically,
+please provide it as the first argument to the tool""")
+		sys.exit (1)
+
 	hb_fuzzer = sys.argv[1]
 
 print ('hb_fuzzer:', hb_fuzzer)
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index 342c006ef..306fcc3e0 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -31,6 +31,11 @@ hb_shape = os.path.join (top_builddir, utildir, "hb-shape" + EXEEXT)
 args = sys.argv[1:]
 
 if not os.path.exists (hb_shape):
+	if len (sys.argv) == 1 or not os.path.exists (sys.argv[1]):
+		print ("""Failed to find hb-shape binary automatically,
+please provide it as the first argument to the tool""")
+		sys.exit (1)
+
 	hb_shape = args[0]
 	args = args[1:]
 

From 7b837e20d2b4b6cd7be0b181ac5cdfeb467bd146 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 3 Jan 2018 12:46:29 +0000
Subject: [PATCH 0717/1326] [util] Add TODO item

---
 util/options.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/util/options.cc b/util/options.cc
index cba520681..5434b1567 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -516,6 +516,7 @@ font_options_t::add_options (option_parser_t *parser)
     {"face-index",	0, 0, G_OPTION_ARG_INT,		&this->face_index,		"Set face index (default: 0)",		"index"},
     {"font-size",	0, default_font_size ? 0 : G_OPTION_FLAG_HIDDEN,
 			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_font_size,	font_size_text,				"1/2 numbers or 'upem'"},
+    /* TODO Add font-ppem / font-ptem. */
     {"font-funcs",	0, 0, G_OPTION_ARG_STRING,	&this->font_funcs,		text,					"impl"},
     {nullptr}
   };

From 308f419215716460479fbde482d66d1687176102 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 3 Jan 2018 14:22:07 +0000
Subject: [PATCH 0718/1326] [use] Fix Brahmi Number Joiner 1107F

Fixes https://github.com/harfbuzz/harfbuzz/pull/660
---
 src/gen-indic-table.py                 | 6 +++---
 src/gen-use-table.py                   | 6 +++---
 src/hb-ot-shape-complex-indic-table.cc | 4 ++--
 src/hb-ot-shape-complex-use-table.cc   | 6 +++---
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/gen-indic-table.py b/src/gen-indic-table.py
index a849db18e..735b9015e 100755
--- a/src/gen-indic-table.py
+++ b/src/gen-indic-table.py
@@ -229,13 +229,13 @@ print "  {"
 pages = set([u>>page_bits for u in starts+ends+singles.keys()])
 for p in sorted(pages):
 	print "    case 0x%0Xu:" % p
+	for u,d in singles.items ():
+		if p != u>>page_bits: continue
+		print "      if (unlikely (u == 0x%04Xu)) return _(%s,%s);" % (u, short[0][d[0]], short[1][d[1]])
 	for (start,end) in zip (starts, ends):
 		if p not in [start>>page_bits, end>>page_bits]: continue
 		offset = "indic_offset_0x%04xu" % start
 		print "      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return indic_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset)
-	for u,d in singles.items ():
-		if p != u>>page_bits: continue
-		print "      if (unlikely (u == 0x%04Xu)) return _(%s,%s);" % (u, short[0][d[0]], short[1][d[1]])
 	print "      break;"
 	print ""
 print "    default:"
diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index bbcaaf89b..586e59434 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -462,13 +462,13 @@ print "  {"
 pages = set([u>>page_bits for u in starts+ends+singles.keys()])
 for p in sorted(pages):
 	print "    case 0x%0Xu:" % p
+	for u,d in singles.items ():
+		if p != u>>page_bits: continue
+		print "      if (unlikely (u == 0x%04Xu)) return %s;" % (u, d[0])
 	for (start,end) in zip (starts, ends):
 		if p not in [start>>page_bits, end>>page_bits]: continue
 		offset = "use_offset_0x%04xu" % start
 		print "      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return use_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset)
-	for u,d in singles.items ():
-		if p != u>>page_bits: continue
-		print "      if (unlikely (u == 0x%04Xu)) return %s;" % (u, d[0])
 	print "      break;"
 	print ""
 print "    default:"
diff --git a/src/hb-ot-shape-complex-indic-table.cc b/src/hb-ot-shape-complex-indic-table.cc
index bfd1c6d34..867cfb33b 100644
--- a/src/hb-ot-shape-complex-indic-table.cc
+++ b/src/hb-ot-shape-complex-indic-table.cc
@@ -399,10 +399,10 @@ hb_indic_get_categories (hb_codepoint_t u)
   switch (u >> 12)
   {
     case 0x0u:
+      if (unlikely (u == 0x00A0u)) return _(CP,x);
       if (hb_in_range<hb_codepoint_t> (u, 0x0028u, 0x003Fu)) return indic_table[u - 0x0028u + indic_offset_0x0028u];
       if (hb_in_range<hb_codepoint_t> (u, 0x00B0u, 0x00D7u)) return indic_table[u - 0x00B0u + indic_offset_0x00b0u];
       if (hb_in_range<hb_codepoint_t> (u, 0x0900u, 0x0DF7u)) return indic_table[u - 0x0900u + indic_offset_0x0900u];
-      if (unlikely (u == 0x00A0u)) return _(CP,x);
       break;
 
     case 0x1u:
@@ -412,9 +412,9 @@ hb_indic_get_categories (hb_codepoint_t u)
       break;
 
     case 0x2u:
+      if (unlikely (u == 0x25CCu)) return _(CP,x);
       if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2017u)) return indic_table[u - 0x2008u + indic_offset_0x2008u];
       if (hb_in_range<hb_codepoint_t> (u, 0x2070u, 0x2087u)) return indic_table[u - 0x2070u + indic_offset_0x2070u];
-      if (unlikely (u == 0x25CCu)) return _(CP,x);
       break;
 
     case 0xAu:
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index c1a33625a..7e764cd00 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -683,10 +683,10 @@ hb_use_get_categories (hb_codepoint_t u)
   switch (u >> 12)
   {
     case 0x0u:
+      if (unlikely (u == 0x034Fu)) return CGJ;
       if (hb_in_range<hb_codepoint_t> (u, 0x0028u, 0x003Fu)) return use_table[u - 0x0028u + use_offset_0x0028u];
       if (hb_in_range<hb_codepoint_t> (u, 0x00A0u, 0x00D7u)) return use_table[u - 0x00A0u + use_offset_0x00a0u];
       if (hb_in_range<hb_codepoint_t> (u, 0x0900u, 0x0DF7u)) return use_table[u - 0x0900u + use_offset_0x0900u];
-      if (unlikely (u == 0x034Fu)) return CGJ;
       break;
 
     case 0x1u:
@@ -699,10 +699,10 @@ hb_use_get_categories (hb_codepoint_t u)
       break;
 
     case 0x2u:
+      if (unlikely (u == 0x25CCu)) return GB;
       if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2017u)) return use_table[u - 0x2008u + use_offset_0x2008u];
       if (hb_in_range<hb_codepoint_t> (u, 0x2060u, 0x2087u)) return use_table[u - 0x2060u + use_offset_0x2060u];
       if (hb_in_range<hb_codepoint_t> (u, 0x20F0u, 0x20F7u)) return use_table[u - 0x20F0u + use_offset_0x20f0u];
-      if (unlikely (u == 0x25CCu)) return GB;
       break;
 
     case 0xAu:
@@ -719,6 +719,7 @@ hb_use_get_categories (hb_codepoint_t u)
       break;
 
     case 0x11u:
+      if (unlikely (u == 0x1107Fu)) return HN;
       if (hb_in_range<hb_codepoint_t> (u, 0x11000u, 0x110BFu)) return use_table[u - 0x11000u + use_offset_0x11000u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11100u, 0x1123Fu)) return use_table[u - 0x11100u + use_offset_0x11100u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11280u, 0x11377u)) return use_table[u - 0x11280u + use_offset_0x11280u];
@@ -727,7 +728,6 @@ hb_use_get_categories (hb_codepoint_t u)
       if (hb_in_range<hb_codepoint_t> (u, 0x11A00u, 0x11A9Fu)) return use_table[u - 0x11A00u + use_offset_0x11a00u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11C00u, 0x11CB7u)) return use_table[u - 0x11C00u + use_offset_0x11c00u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11D00u, 0x11D5Fu)) return use_table[u - 0x11D00u + use_offset_0x11d00u];
-      if (unlikely (u == 0x1107Fu)) return HN;
       break;
 
     default:

From 877d15e73c24159b26bb7cc6d2f62045d445d0fc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 3 Jan 2018 14:24:44 +0000
Subject: [PATCH 0719/1326] [use] Simplify

Fixes https://github.com/harfbuzz/harfbuzz/pull/661
---
 src/gen-use-table.py                 | 2 +-
 src/hb-ot-shape-complex-use-table.cc | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index 586e59434..b361507e1 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -354,7 +354,7 @@ data = map_to_use(data)
 
 # Remove the outliers
 singles = {}
-for u in [0x034F, 0x25CC, 0x1107F]:
+for u in [0x034F, 0x25CC]:
 	singles[u] = data[u]
 	del data[u]
 
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index 7e764cd00..e150303ea 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -482,7 +482,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11040 */  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,     H,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 11050 */     O,     O,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,
   /* 11060 */     N,     N,     N,     N,     N,     N,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11070 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
+  /* 11070 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    HN,
 
   /* Kaithi */
 
@@ -719,7 +719,6 @@ hb_use_get_categories (hb_codepoint_t u)
       break;
 
     case 0x11u:
-      if (unlikely (u == 0x1107Fu)) return HN;
       if (hb_in_range<hb_codepoint_t> (u, 0x11000u, 0x110BFu)) return use_table[u - 0x11000u + use_offset_0x11000u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11100u, 0x1123Fu)) return use_table[u - 0x11100u + use_offset_0x11100u];
       if (hb_in_range<hb_codepoint_t> (u, 0x11280u, 0x11377u)) return use_table[u - 0x11280u + use_offset_0x11280u];

From f8daeef4c4451084a781db3a8a04807c0f0051ef Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 3 Jan 2018 14:27:34 +0000
Subject: [PATCH 0720/1326] [use] Simplify more

---
 src/gen-use-table.py                 | 11 +----
 src/hb-ot-shape-complex-use-table.cc | 62 +++++++++++++++++-----------
 2 files changed, 38 insertions(+), 35 deletions(-)

diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index b361507e1..5391f27eb 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -352,12 +352,6 @@ def map_to_use(data):
 defaults = ('O', 'No_Block')
 data = map_to_use(data)
 
-# Remove the outliers
-singles = {}
-for u in [0x034F, 0x25CC]:
-	singles[u] = data[u]
-	del data[u]
-
 print "/* == Start of generated table == */"
 print "/*"
 print " * The following table is generated by running:"
@@ -459,12 +453,9 @@ print "hb_use_get_categories (hb_codepoint_t u)"
 print "{"
 print "  switch (u >> %d)" % page_bits
 print "  {"
-pages = set([u>>page_bits for u in starts+ends+singles.keys()])
+pages = set([u>>page_bits for u in starts+ends])
 for p in sorted(pages):
 	print "    case 0x%0Xu:" % p
-	for u,d in singles.items ():
-		if p != u>>page_bits: continue
-		print "      if (unlikely (u == 0x%04Xu)) return %s;" % (u, d[0])
 	for (start,end) in zip (starts, ends):
 		if p not in [start>>page_bits, end>>page_bits]: continue
 		offset = "use_offset_0x%04xu" % start
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index e150303ea..a67ef0611 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -75,7 +75,13 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 00C0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 00D0 */     O,     O,     O,     O,     O,     O,     O,    GB,
 
-#define use_offset_0x0900u 80
+#define use_offset_0x0348u 80
+
+
+  /* Combining Diacritical Marks */
+                                                                         O,     O,     O,     O,     O,     O,     O,   CGJ,
+
+#define use_offset_0x0900u 88
 
 
   /* Devanagari */
@@ -188,7 +194,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 0DE0 */     O,     O,     O,     O,     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 0DF0 */     O,     O,  VPst,  VPst,     O,     O,     O,     O,
 
-#define use_offset_0x1000u 1352
+#define use_offset_0x1000u 1360
 
 
   /* Myanmar */
@@ -204,7 +210,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 1080 */     B,     B,  MBlw,  VPst,  VPre,  VAbv,  VAbv, VMPst, VMPst, VMPst, VMPst, VMPst, VMPst, VMBlw,     B, VMPst,
   /* 1090 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B, VMPst, VMPst,  VPst,  VAbv,     O,     O,
 
-#define use_offset_0x1700u 1512
+#define use_offset_0x1700u 1520
 
 
   /* Tagalog */
@@ -237,7 +243,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 17D0 */    FM,  VAbv,     H,    FM,     O,     O,     O,     O,     O,     O,     O,     O,     B,  VAbv,     O,     O,
   /* 17E0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0x1900u 1752
+#define use_offset_0x1900u 1760
 
 
   /* Limbu */
@@ -281,7 +287,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 1A80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
   /* 1A90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0x1b00u 2168
+#define use_offset_0x1b00u 2176
 
 
   /* Balinese */
@@ -317,7 +323,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 1C30 */  FAbv,  FAbv,  FAbv,  FAbv, VMPre, VMPre,    FM, CMBlw,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 1C40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     B,     B,     B,
 
-#define use_offset_0x1cd0u 2504
+#define use_offset_0x1cd0u 2512
 
 
   /* Vedic Extensions */
@@ -326,20 +332,20 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 1CE0 */ VMAbv, VMPst, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw,     O,     O,     O,     O, VMBlw,     O,     O,
   /* 1CF0 */     O,     O, VMPst, VMPst, VMAbv,     O,     O, VMPst, VMAbv, VMAbv,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0x1df8u 2552
+#define use_offset_0x1df8u 2560
 
 
   /* Combining Diacritical Marks Supplement */
                                                                          O,     O,     O,    FM,     O,     O,     O,     O,
 
-#define use_offset_0x2008u 2560
+#define use_offset_0x2008u 2568
 
 
   /* General Punctuation */
                                                                          O,     O,     O,     O,  ZWNJ,   ZWJ,     O,     O,
   /* 2010 */    GB,    GB,    GB,    GB,    GB,     O,     O,     O,
 
-#define use_offset_0x2060u 2576
+#define use_offset_0x2060u 2584
 
   /* 2060 */    WJ,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
 
@@ -348,14 +354,20 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 2070 */     O,     O,     O,     O,    FM,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 2080 */     O,     O,    FM,    FM,    FM,     O,     O,     O,
 
-#define use_offset_0x20f0u 2616
+#define use_offset_0x20f0u 2624
 
 
   /* Combining Diacritical Marks for Symbols */
 
   /* 20F0 */ VMAbv,     O,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0xa800u 2624
+#define use_offset_0x25c8u 2632
+
+
+  /* Geometric Shapes */
+                                                                         O,     O,     O,     O,    GB,     O,     O,     O,
+
+#define use_offset_0xa800u 2640
 
 
   /* Syloti Nagri */
@@ -442,7 +454,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* AAE0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPre,  VBlw,  VAbv,  VPre,  VPst,
   /* AAF0 */     O,     O,     O,     O,     O, VMPst,     H,     O,
 
-#define use_offset_0xabc0u 3384
+#define use_offset_0xabc0u 3400
 
 
   /* Meetei Mayek */
@@ -452,14 +464,14 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* ABE0 */     B,     B,     B,  VPst,  VPst,  VAbv,  VPst,  VPst,  VBlw,  VPst,  VPst,     O, VMPst,  VBlw,     O,     O,
   /* ABF0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0xfe00u 3448
+#define use_offset_0xfe00u 3464
 
 
   /* Variation Selectors */
 
   /* FE00 */    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,    VS,
 
-#define use_offset_0x10a00u 3464
+#define use_offset_0x10a00u 3480
 
 
   /* Kharoshthi */
@@ -470,7 +482,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 10A30 */     B,     B,     B,     B,     O,     O,     O,     O, CMAbv, CMBlw, CMBlw,     O,     O,     O,     O,     H,
   /* 10A40 */     B,     B,     B,     B,     B,     B,     B,     B,
 
-#define use_offset_0x11000u 3536
+#define use_offset_0x11000u 3552
 
 
   /* Brahmi */
@@ -491,7 +503,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 110A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 110B0 */  VPst,  VPre,  VPst,  VBlw,  VBlw,  VAbv,  VAbv,  VPst,  VPst,     H, CMBlw,     O,     O,     O,     O,     O,
 
-#define use_offset_0x11100u 3728
+#define use_offset_0x11100u 3744
 
 
   /* Chakma */
@@ -529,7 +541,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11220 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPst,  VPst,  VPst,  VBlw,
   /* 11230 */  VAbv,  VAbv,  VAbv,  VAbv, VMAbv,     H, CMAbv, CMAbv,     O,     O,     O,     O,     O,     O, VMAbv,     O,
 
-#define use_offset_0x11280u 4048
+#define use_offset_0x11280u 4064
 
 
   /* Multani */
@@ -557,7 +569,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11360 */     B,     B,  VPst,  VPst,     O,     O, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,
   /* 11370 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,
 
-#define use_offset_0x11400u 4296
+#define use_offset_0x11400u 4312
 
 
   /* Newa */
@@ -580,7 +592,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 114C0 */ VMAbv, VMPst,     H, CMBlw,     B,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 114D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0x11580u 4520
+#define use_offset_0x11580u 4536
 
 
   /* Siddham */
@@ -623,7 +635,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11720 */  VPst,  VPst,  VAbv,  VAbv,  VBlw,  VBlw,  VPre,  VAbv,  VBlw,  VAbv,  VAbv,  VAbv,     O,     O,     O,     O,
   /* 11730 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,
 
-#define use_offset_0x11a00u 4968
+#define use_offset_0x11a00u 4984
 
 
   /* Zanabazar Square */
@@ -642,7 +654,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11A80 */     B,     B,     B,     B,     O,     O,     R,     R,     R,     R,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,
   /* 11A90 */  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw, VMAbv, VMPst, CMAbv,     H,     O,     O,     O,     O,     O,     O,
 
-#define use_offset_0x11c00u 5128
+#define use_offset_0x11c00u 5144
 
 
   /* Bhaiksuki */
@@ -663,7 +675,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11CA0 */   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,     O,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,
   /* 11CB0 */  VBlw,  VPre,  VBlw,  VAbv,  VPst, VMAbv, VMAbv,     O,
 
-#define use_offset_0x11d00u 5312
+#define use_offset_0x11d00u 5328
 
 
   /* Masaram Gondi */
@@ -675,7 +687,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11D40 */ VMAbv, VMAbv, CMBlw,  VAbv,  VBlw,     H,     R,  MBlw,     O,     O,     O,     O,     O,     O,     O,     O,
   /* 11D50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
 
-}; /* Table items: 5408; occupancy: 73% */
+}; /* Table items: 5424; occupancy: 73% */
 
 USE_TABLE_ELEMENT_TYPE
 hb_use_get_categories (hb_codepoint_t u)
@@ -683,9 +695,9 @@ hb_use_get_categories (hb_codepoint_t u)
   switch (u >> 12)
   {
     case 0x0u:
-      if (unlikely (u == 0x034Fu)) return CGJ;
       if (hb_in_range<hb_codepoint_t> (u, 0x0028u, 0x003Fu)) return use_table[u - 0x0028u + use_offset_0x0028u];
       if (hb_in_range<hb_codepoint_t> (u, 0x00A0u, 0x00D7u)) return use_table[u - 0x00A0u + use_offset_0x00a0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x0348u, 0x034Fu)) return use_table[u - 0x0348u + use_offset_0x0348u];
       if (hb_in_range<hb_codepoint_t> (u, 0x0900u, 0x0DF7u)) return use_table[u - 0x0900u + use_offset_0x0900u];
       break;
 
@@ -699,10 +711,10 @@ hb_use_get_categories (hb_codepoint_t u)
       break;
 
     case 0x2u:
-      if (unlikely (u == 0x25CCu)) return GB;
       if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2017u)) return use_table[u - 0x2008u + use_offset_0x2008u];
       if (hb_in_range<hb_codepoint_t> (u, 0x2060u, 0x2087u)) return use_table[u - 0x2060u + use_offset_0x2060u];
       if (hb_in_range<hb_codepoint_t> (u, 0x20F0u, 0x20F7u)) return use_table[u - 0x20F0u + use_offset_0x20f0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x25C8u, 0x25CFu)) return use_table[u - 0x25C8u + use_offset_0x25c8u];
       break;
 
     case 0xAu:

From 5ed26fc5bdfdab0ff41a8861b54395c0bbbad248 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 4 Jan 2018 10:11:34 +0330
Subject: [PATCH 0721/1326] [cmake] Run src/ tests (#675)

---
 .circleci/config.yml      |  9 ++++-----
 CMakeLists.txt            | 35 ++++++++++++++++++++++++++++++++---
 src/Makefile.am           |  1 +
 src/check-defs.sh         |  3 ++-
 src/check-libstdc++.sh    |  3 ++-
 src/check-static-inits.sh |  3 ++-
 src/check-symbols.sh      |  3 ++-
 7 files changed, 45 insertions(+), 12 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3ddc693bb..93913a823 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -52,15 +52,14 @@ jobs:
       - run: ninja -Cbuild test
       - run: ninja -Cbuild install
 
-  distdir:
+  distcheck:
     docker:
       - image: dockcross/base
     steps:
       - checkout
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
-      - run: ./autogen.sh && make distdir
-      - run: cd harfbuzz-* && ./configure && make && make check && make install && make clean
-      - run: cd harfbuzz-* && cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GLIB=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja && ninja -Cbuild && ninja -Cbuild test && ninja -Cbuild install
+      - run: ./autogen.sh && make distcheck
+      - run: make distdir && cd harfbuzz-* && cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GLIB=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
   psvita:
     docker:
@@ -144,7 +143,7 @@ workflows:
       - archlinux
       - freebsd9
       - base
-      - distdir
+      - distcheck
       - psvita
       - android-arm
       - browser-asmjs
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a24b136bb..6fdcebda8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,7 +64,7 @@ endif ()
 include_directories(AFTER
   ${PROJECT_SOURCE_DIR}/src
   ${PROJECT_BINARY_DIR}/src
-  )
+)
 
 add_definitions(-DHAVE_OT)
 add_definitions(-DHAVE_FALLBACK)
@@ -427,6 +427,7 @@ if (HB_HAVE_GOBJECT)
   )
 endif ()
 
+
 ## Atomic ops availability detection
 file(WRITE "${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c"
 "		void memory_barrier (void) { __sync_synchronize (); }
@@ -463,6 +464,7 @@ endif ()
 add_library(harfbuzz ${project_sources} ${project_extra_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
+
 ## Define harfbuzz-gobject library
 if (HB_HAVE_GOBJECT)
   add_library(harfbuzz-gobject
@@ -535,7 +537,7 @@ if (HB_HAVE_INTROSPECTION)
     ${hb_gobject_gen_headers}
     ${hb_gobject_sources}
     ${hb_gobject_headers}
-    )
+  )
     if (WIN32)
       # Nasty issue: We need to make drive letters lower case,
       # otherwise g-ir-scanner won't like it and give us a bunch
@@ -599,6 +601,7 @@ if (HB_HAVE_INTROSPECTION)
   )
 endif ()
 
+
 ## Additional framework build configs
 if (BUILD_FRAMEWORK)
   set (CMAKE_MACOSX_RPATH ON)
@@ -687,7 +690,7 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
 
       install(FILES "${hb_libpath}/HarfBuzz-0.0.gir"
         DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/gir-1.0
-        )
+      )
 
       install(FILES "${hb_libpath}/HarfBuzz-0.0.typelib"
         DESTINATION ${CMAKE_INSTALL_LIBDIR}/girepository-1.0
@@ -696,6 +699,32 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
   endif ()
 endif ()
 
+
+## Tests
+if (UNIX)
+  if (BUILD_SHARED_LIBS)
+    add_test(NAME check-static-inits.sh
+      COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
+      WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/CMakeFiles/harfbuzz.dir/src # hack
+    )
+    # does some "make" stuff inside
+    # add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
+    add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
+    add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
+  else ()
+    message(WARN "You can enable BUILD_SHARED_LIBS for more tests.")
+  endif ()
+
+  # disabled as it doesn't work anyway
+  if (OFF AND IN_HB_DIST)
+    add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
+    add_test(NAME check-header-guards.sh COMMAND ./check-header-guards.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
+  endif ()
+
+  add_test(NAME check-externs.sh COMMAND ./check-externs.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
+  add_test(NAME check-includes.sh COMMAND ./check-includes.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
+endif ()
+
 # Needs to come last so that variables defined above are passed to
 # subdirectories.
 add_subdirectory(test)
diff --git a/src/Makefile.am b/src/Makefile.am
index 685718221..b34d94210 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -324,6 +324,7 @@ test_ot_tag_LDADD = libharfbuzz.la $(HBLIBS)
 TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS)
 TESTS_ENVIRONMENT = \
 	srcdir="$(srcdir)" \
+	libs=".libs" \
 	MAKE="$(MAKE) $(AM_MAKEFLAGS)" \
 	HBSOURCES="$(HBSOURCES)" \
 	HBHEADERS="$(HBHEADERS) $(HBNODISTHEADERS)" \
diff --git a/src/check-defs.sh b/src/check-defs.sh
index 480d49992..ee2cafed8 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -4,6 +4,7 @@ LC_ALL=C
 export LC_ALL
 
 test -z "$srcdir" && srcdir=.
+test -z "$libs" && libs=.
 test -z "$MAKE" && MAKE=make
 stat=0
 
@@ -19,7 +20,7 @@ $MAKE $defs > /dev/null
 tested=false
 for def in $defs; do
 	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
-	so=.libs/lib${lib}.so
+	so=$libs/lib${lib}.so
 
 	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
 
diff --git a/src/check-libstdc++.sh b/src/check-libstdc++.sh
index b541828bc..9d73814e1 100755
--- a/src/check-libstdc++.sh
+++ b/src/check-libstdc++.sh
@@ -4,6 +4,7 @@ LC_ALL=C
 export LC_ALL
 
 test -z "$srcdir" && srcdir=.
+test -z "$libs" && libs=.
 stat=0
 
 
@@ -16,7 +17,7 @@ fi
 
 tested=false
 for suffix in so dylib; do
-	so=.libs/libharfbuzz.$suffix
+	so=$libs/libharfbuzz.$suffix
 	if ! test -f "$so"; then continue; fi
 
 	echo "Checking that we are not linking to libstdc++ or libc++"
diff --git a/src/check-static-inits.sh b/src/check-static-inits.sh
index 1446fa734..aa1b129d1 100755
--- a/src/check-static-inits.sh
+++ b/src/check-static-inits.sh
@@ -4,6 +4,7 @@ LC_ALL=C
 export LC_ALL
 
 test -z "$srcdir" && srcdir=.
+test -z "$libs" && libs=.
 stat=0
 
 
@@ -14,7 +15,7 @@ else
 	exit 77
 fi
 
-OBJS=.libs/*.o
+OBJS=$libs/*.o
 if test "x`echo $OBJS`" = "x$OBJS" 2>/dev/null >/dev/null; then
 	echo "check-static-inits.sh: object files not found; skipping test"
 	exit 77
diff --git a/src/check-symbols.sh b/src/check-symbols.sh
index d4d655d26..f1bba470e 100755
--- a/src/check-symbols.sh
+++ b/src/check-symbols.sh
@@ -4,6 +4,7 @@ LC_ALL=C
 export LC_ALL
 
 test -z "$srcdir" && srcdir=.
+test -z "$libs" && libs=.
 stat=0
 
 
@@ -17,7 +18,7 @@ fi
 echo "Checking that we are not exposing internal symbols"
 tested=false
 for suffix in so dylib; do
-	so=.libs/libharfbuzz.$suffix
+	so=$libs/libharfbuzz.$suffix
 	if ! test -f "$so"; then continue; fi
 
 	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| ___gcov_flush\>\| llvm_\| _llvm_' | cut -d' ' -f3`"

From 4f80078eb035054db0f6e33cf4f7345c6c85cb12 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Thu, 4 Jan 2018 18:37:35 +0700
Subject: [PATCH 0722/1326] [cmake] Colorize output when using cmake + ninja.
 (#674)

Due to how ninja runs clang and gcc, it doesn't colorize the output
like make does. This forces color output in this situation.
---
 CMakeLists.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6fdcebda8..4b713b638 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -699,6 +699,16 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
   endif ()
 endif ()
 
+if (UNIX AND CMAKE_GENERATOR STREQUAL "Ninja")
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+    set (CMAKE_CXX_FLAGS "-fcolor-diagnostics ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_C_FLAGS "-fcolor-diagnostics ${CMAKE_C_FLAGS}")
+  endif ()
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    set (CMAKE_CXX_FLAGS "-fdiagnostics-color ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_C_FLAGS "-fdiagnostics-color ${CMAKE_C_FLAGS}")
+  endif ()
+endif ()
 
 ## Tests
 if (UNIX)

From 8a0952db7e521320cd4d8b67b287f7d33c21b6e0 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Thu, 4 Jan 2018 18:40:10 +0700
Subject: [PATCH 0723/1326] atomics: Favor compiler primitives over macOS APIs.
 (#676)

In macOS 10.12, the `OSMemoryBarrier` and related APIs were deprecated
in favor of using `std::atomic`. On the way to supporting `std::atomic`,
we can favor using the "Intel primitives" which are also available on
macOS.
---
 src/hb-atomic-private.hh | 46 ++++++++++++++++++++--------------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/src/hb-atomic-private.hh b/src/hb-atomic-private.hh
index 934384014..a7e9b11af 100644
--- a/src/hb-atomic-private.hh
+++ b/src/hb-atomic-private.hh
@@ -70,6 +70,29 @@ typedef LONG hb_atomic_int_impl_t;
 #define hb_atomic_ptr_impl_cmpexch(P,O,N)	(InterlockedCompareExchangePointer ((void **) (P), (void *) (N), (void *) (O)) == (void *) (O))
 
 
+#elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
+
+typedef int hb_atomic_int_impl_t;
+#define HB_ATOMIC_INT_IMPL_INIT(V) (V)
+#define hb_atomic_int_impl_add(AI, V)		__sync_fetch_and_add (&(AI), (V))
+
+#define hb_atomic_ptr_impl_get(P)		(void *) (__sync_synchronize (), *(P))
+#define hb_atomic_ptr_impl_cmpexch(P,O,N)	__sync_bool_compare_and_swap ((P), (O), (N))
+
+
+#elif !defined(HB_NO_MT) && defined(HAVE_SOLARIS_ATOMIC_OPS)
+
+#include <atomic.h>
+#include <mbarrier.h>
+
+typedef unsigned int hb_atomic_int_impl_t;
+#define HB_ATOMIC_INT_IMPL_INIT(V) (V)
+#define hb_atomic_int_impl_add(AI, V)		( ({__machine_rw_barrier ();}), atomic_add_int_nv (&(AI), (V)) - (V))
+
+#define hb_atomic_ptr_impl_get(P)		( ({__machine_rw_barrier ();}), (void *) *(P))
+#define hb_atomic_ptr_impl_cmpexch(P,O,N)	( ({__machine_rw_barrier ();}), atomic_cas_ptr ((void **) (P), (void *) (O), (void *) (N)) == (void *) (O) ? true : false)
+
+
 #elif !defined(HB_NO_MT) && defined(__APPLE__)
 
 #include <libkern/OSAtomic.h>
@@ -96,29 +119,6 @@ typedef int32_t hb_atomic_int_impl_t;
 #endif
 
 
-#elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
-
-typedef int hb_atomic_int_impl_t;
-#define HB_ATOMIC_INT_IMPL_INIT(V) (V)
-#define hb_atomic_int_impl_add(AI, V)		__sync_fetch_and_add (&(AI), (V))
-
-#define hb_atomic_ptr_impl_get(P)		(void *) (__sync_synchronize (), *(P))
-#define hb_atomic_ptr_impl_cmpexch(P,O,N)	__sync_bool_compare_and_swap ((P), (O), (N))
-
-
-#elif !defined(HB_NO_MT) && defined(HAVE_SOLARIS_ATOMIC_OPS)
-
-#include <atomic.h>
-#include <mbarrier.h>
-
-typedef unsigned int hb_atomic_int_impl_t;
-#define HB_ATOMIC_INT_IMPL_INIT(V) (V)
-#define hb_atomic_int_impl_add(AI, V)		( ({__machine_rw_barrier ();}), atomic_add_int_nv (&(AI), (V)) - (V))
-
-#define hb_atomic_ptr_impl_get(P)		( ({__machine_rw_barrier ();}), (void *) *(P))
-#define hb_atomic_ptr_impl_cmpexch(P,O,N)	( ({__machine_rw_barrier ();}), atomic_cas_ptr ((void **) (P), (void *) (O), (void *) (N)) == (void *) (O) ? true : false)
-
-
 #elif !defined(HB_NO_MT) && defined(_AIX) && defined(__IBMCPP__)
 
 #include <builtins.h>

From 293e443529d0621b9f94ea15d1425104394f6b9e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 4 Jan 2018 16:06:25 +0000
Subject: [PATCH 0724/1326] Minor

---
 src/check-c-linkage-decls.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/check-c-linkage-decls.sh b/src/check-c-linkage-decls.sh
index cd550867a..8234abc45 100755
--- a/src/check-c-linkage-decls.sh
+++ b/src/check-c-linkage-decls.sh
@@ -7,8 +7,7 @@ test -z "$srcdir" && srcdir=.
 stat=0
 
 test "x$HBHEADERS" = x && HBHEADERS=`cd "$srcdir"; find . -maxdepth 1 -name 'hb*.h'`
-test "x$HBSOURCES" = x && HBSOURCES=`cd "$srcdir"; find . -maxdepth 1 -name 'hb*.h'`
-
+test "x$HBSOURCES" = x && HBSOURCES=`cd "$srcdir"; find . -maxdepth 1 -name 'hb*.cc'`
 
 for x in $HBHEADERS; do
 	test -f "$srcdir/$x" -a ! -f "$x" && x="$srcdir/$x"

From 72bec1cd09f919f3826345db4832752ec96ff5c5 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 5 Jan 2018 12:42:20 +0330
Subject: [PATCH 0725/1326] Improve tests (#679)

---
 .circleci/config.yml        |  2 +-
 CMakeLists.txt              | 52 +++++++++++++++++++++++++++++--------
 autogen.sh                  |  6 +++--
 src/Makefile.am             |  3 +--
 src/check-defs.sh           |  2 +-
 src/check-header-guards.sh  |  2 +-
 src/check-libstdc++.sh      |  2 +-
 src/check-static-inits.sh   |  2 +-
 src/check-symbols.sh        |  2 +-
 test/fuzzing/CMakeLists.txt | 11 +++++++-
 10 files changed, 62 insertions(+), 22 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 93913a823..2a82abaad 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -59,7 +59,7 @@ jobs:
       - checkout
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
       - run: ./autogen.sh && make distcheck
-      - run: make distdir && cd harfbuzz-* && cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GLIB=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
+      - run: make distdir && cd harfbuzz-* && cmake -DDHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
   psvita:
     docker:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b713b638..ebbfbe3ca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,6 +61,25 @@ if (HB_HAVE_INTROSPECTION)
   set (HB_HAVE_GLIB ON)
 endif ()
 
+option(HB_CHECK OFF "Do a configuration suitable for testing (shared library and enable all options)")
+if (HB_CHECK)
+  set (BUILD_SHARED_LIBS ON)
+  set (HB_BUILD_UTILS ON)
+  set (HB_BUILTIN_UCDN ON)
+  set (HB_HAVE_ICU)
+  set (HB_HAVE_GLIB ON)
+  #set (HB_HAVE_GOBJECT ON)
+  #set (HB_HAVE_INTROSPECTION ON)
+  set (HB_HAVE_FREETYPE ON)
+  set (HB_HAVE_GRAPHITE2 ON)
+  if (WIN32)
+    set (HB_HAVE_UNISCRIBE ON)
+    set (HB_HAVE_DIRECTWRITE ON)
+  elseif (APPLE)
+    set (HB_HAVE_CORETEXT ON)
+  endif ()
+endif ()
+
 include_directories(AFTER
   ${PROJECT_SOURCE_DIR}/src
   ${PROJECT_BINARY_DIR}/src
@@ -71,6 +90,9 @@ add_definitions(-DHAVE_FALLBACK)
 
 if (BUILD_SHARED_LIBS)
   add_definitions(-DHAVE_ATEXIT)
+  if (APPLE)
+    set (CMAKE_MACOSX_RPATH ON)
+  endif ()
 endif ()
 
 if (MSVC)
@@ -710,23 +732,31 @@ if (UNIX AND CMAKE_GENERATOR STREQUAL "Ninja")
   endif ()
 endif ()
 
+
 ## Tests
 if (UNIX)
   if (BUILD_SHARED_LIBS)
-    add_test(NAME check-static-inits.sh
-      COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
-      WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/CMakeFiles/harfbuzz.dir/src # hack
-    )
     # does some "make" stuff inside
-    # add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
-    add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
-    add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
+    #add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
+    #set_tests_properties(check-defs.sh PROPERTIES ENVIRONMENT "libs=.")
+
+    # broken on cmake builds right now :(
+    #add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
+    #add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
+    #set_tests_properties(check-symbols.sh check-libstdc++.sh PROPERTIES ENVIRONMENT "libs=.")
+
+    if (NOT APPLE)
+      add_test(NAME check-static-inits.sh
+        COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
+        WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/CMakeFiles/harfbuzz.dir/src # ugly hack
+      )
+      set_tests_properties(check-static-inits.sh PROPERTIES ENVIRONMENT "libs=.")
+    endif ()
   else ()
-    message(WARN "You can enable BUILD_SHARED_LIBS for more tests.")
+    message(WARN "Enable BUILD_SHARED_LIBS for more tests.")
   endif ()
 
-  # disabled as it doesn't work anyway
-  if (OFF AND IN_HB_DIST)
+  if (IN_HB_DIST)
     add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
     add_test(NAME check-header-guards.sh COMMAND ./check-header-guards.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
   endif ()
@@ -737,4 +767,4 @@ endif ()
 
 # Needs to come last so that variables defined above are passed to
 # subdirectories.
-add_subdirectory(test)
+add_subdirectory(test)
\ No newline at end of file
diff --git a/autogen.sh b/autogen.sh
index ff1b0c0c9..cbc8627d5 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -42,5 +42,7 @@ echo "running autoreconf --force --install --verbose"
 autoreconf --force --install --verbose || exit $?
 
 cd $olddir
-echo "running configure $@"
-test -n "$NOCONFIGURE" || "$srcdir/configure" "$@"
+test -n "$NOCONFIGURE" || {
+	echo "running configure $@"
+	"$srcdir/configure" "$@"
+}
diff --git a/src/Makefile.am b/src/Makefile.am
index b34d94210..b62e7d0ab 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -134,7 +134,7 @@ pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = harfbuzz.pc
 EXTRA_DIST += harfbuzz.pc.in
 
-FUZZING_CPPFLAGS= \
+FUZZING_CPPFLAGS = \
 	-DHB_NDEBUG \
 	-DHB_MAX_NESTING_LEVEL=3 \
 	-DHB_SANITIZE_MAX_EDITS=3 \
@@ -324,7 +324,6 @@ test_ot_tag_LDADD = libharfbuzz.la $(HBLIBS)
 TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS)
 TESTS_ENVIRONMENT = \
 	srcdir="$(srcdir)" \
-	libs=".libs" \
 	MAKE="$(MAKE) $(AM_MAKEFLAGS)" \
 	HBSOURCES="$(HBSOURCES)" \
 	HBHEADERS="$(HBHEADERS) $(HBNODISTHEADERS)" \
diff --git a/src/check-defs.sh b/src/check-defs.sh
index ee2cafed8..c7eac3551 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -4,7 +4,7 @@ LC_ALL=C
 export LC_ALL
 
 test -z "$srcdir" && srcdir=.
-test -z "$libs" && libs=.
+test -z "$libs" && libs=.libs
 test -z "$MAKE" && MAKE=make
 stat=0
 
diff --git a/src/check-header-guards.sh b/src/check-header-guards.sh
index 355d81b52..b67640fc1 100755
--- a/src/check-header-guards.sh
+++ b/src/check-header-guards.sh
@@ -6,7 +6,7 @@ export LC_ALL
 test -z "$srcdir" && srcdir=.
 stat=0
 
-test "x$HBHEADERS" = x && HBHEADERS=`cd "$srcdir"; find . -maxdepth 1 -name 'hb*.h'`
+test "x$HBHEADERS" = x && HBHEADERS=`cd "$srcdir"; find . -maxdepth 1 -name 'hb*.h' ! -name 'hb-gobject-structs.h'`
 test "x$HBSOURCES" = x && HBSOURCES=`cd "$srcdir"; find . -maxdepth 1 -name 'hb-*.cc' -or -name 'hb-*.hh'`
 
 for x in $HBHEADERS $HBSOURCES; do
diff --git a/src/check-libstdc++.sh b/src/check-libstdc++.sh
index 9d73814e1..4295180c4 100755
--- a/src/check-libstdc++.sh
+++ b/src/check-libstdc++.sh
@@ -4,7 +4,7 @@ LC_ALL=C
 export LC_ALL
 
 test -z "$srcdir" && srcdir=.
-test -z "$libs" && libs=.
+test -z "$libs" && libs=.libs
 stat=0
 
 
diff --git a/src/check-static-inits.sh b/src/check-static-inits.sh
index aa1b129d1..71551cbd4 100755
--- a/src/check-static-inits.sh
+++ b/src/check-static-inits.sh
@@ -4,7 +4,7 @@ LC_ALL=C
 export LC_ALL
 
 test -z "$srcdir" && srcdir=.
-test -z "$libs" && libs=.
+test -z "$libs" && libs=.libs
 stat=0
 
 
diff --git a/src/check-symbols.sh b/src/check-symbols.sh
index f1bba470e..3adf65f87 100755
--- a/src/check-symbols.sh
+++ b/src/check-symbols.sh
@@ -4,7 +4,7 @@ LC_ALL=C
 export LC_ALL
 
 test -z "$srcdir" && srcdir=.
-test -z "$libs" && libs=.
+test -z "$libs" && libs=.libs
 stat=0
 
 
diff --git a/test/fuzzing/CMakeLists.txt b/test/fuzzing/CMakeLists.txt
index 06355991b..e31c74427 100644
--- a/test/fuzzing/CMakeLists.txt
+++ b/test/fuzzing/CMakeLists.txt
@@ -1,8 +1,17 @@
-if (HB_HAVE_GLIB)
+if (HB_CHECK)
   file (READ "${CMAKE_CURRENT_SOURCE_DIR}/Makefile.am" MAKEFILEAM)
   extract_make_variable (hb_fuzzer_SOURCES ${MAKEFILEAM})
+
+  # TODO: enable these two
+  #extract_make_variable (FUZZING_CPPFLAGS ${MAKEFILEAM}) # extracting regex fail
+  #add_executable (hb-fuzzer # it should be run only after ragel execution
+  #  ${project_sources} ${project_extra_sources} ${project_headers}
+  #  ${hb_fuzzer_SOURCES})
+
   add_executable (hb-fuzzer ${hb_fuzzer_SOURCES})
   target_link_libraries (hb-fuzzer harfbuzz)
+
+  target_compile_definitions(hb-fuzzer PUBLIC ${FUZZING_CPPFLAGS})
   add_test (NAME hb-fuzzer
     COMMAND python run-fuzzer-tests.py $<TARGET_FILE:hb-fuzzer>
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})

From 8c0d1916a41f0fb32340ce5257de780acf598353 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 12:46:12 +0000
Subject: [PATCH 0726/1326] Improve CGJ skipping logic

Previously we made CGJ unskippable.  Now, if CGJ did NOT prevent
any reordering, allow skipping over it.  To make this work we
had to make changes to the Arabic mark reordering algorithm
implementation to renumber moved MCM marks.  See comments.

Fixes https://github.com/harfbuzz/harfbuzz/issues/554
---
 src/hb-buffer-private.hh                   |  1 +
 src/hb-ot-layout-private.hh                | 11 ++++++-
 src/hb-ot-shape-complex-arabic.cc          | 37 ++++++++++++++++------
 src/hb-ot-shape-normalize.cc               | 30 ++++++++++--------
 test/shaping/tests/arabic-mark-order.tests |  4 +++
 5 files changed, 58 insertions(+), 25 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 97bdc1be3..fa5ca166d 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -69,6 +69,7 @@ enum hb_buffer_scratch_flags_t {
   HB_BUFFER_SCRATCH_FLAG_HAS_SPACE_FALLBACK		= 0x00000004u,
   HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT		= 0x00000008u,
   HB_BUFFER_SCRATCH_FLAG_HAS_UNSAFE_TO_BREAK		= 0x00000010u,
+  HB_BUFFER_SCRATCH_FLAG_HAS_CGJ			= 0x00000020u,
 
   /* Reserved for complex shapers' internal use. */
   HB_BUFFER_SCRATCH_FLAG_COMPLEX0			= 0x01000000u,
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 0f0926f89..be5695d98 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -280,7 +280,11 @@ _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
       else if (unlikely (hb_in_range (u, 0xE0020u, 0xE007Fu))) props |= UPROPS_MASK_HIDDEN;
       /* COMBINING GRAPHEME JOINER should not be skipped; at least some times.
        * https://github.com/harfbuzz/harfbuzz/issues/554 */
-      else if (unlikely (u == 0x034Fu)) props |= UPROPS_MASK_HIDDEN;
+      else if (unlikely (u == 0x034Fu))
+      {
+	buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_CGJ;
+	props |= UPROPS_MASK_HIDDEN;
+      }
     }
     else if (unlikely (HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK_OR_MODIFIER_SYMBOL (gen_cat)))
     {
@@ -388,6 +392,11 @@ _hb_glyph_info_is_default_ignorable_and_not_hidden (const hb_glyph_info_t *info)
 	  == UPROPS_MASK_IGNORABLE) &&
 	 !_hb_glyph_info_ligated (info);
 }
+static inline void
+_hb_glyph_info_unhide (hb_glyph_info_t *info)
+{
+  info->unicode_props() &= ~ UPROPS_MASK_HIDDEN;
+}
 
 static inline bool
 _hb_glyph_info_is_unicode_format (const hb_glyph_info_t *info)
diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index eb9d36ff1..47961bfd5 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -644,13 +644,15 @@ reorder_marks_arabic (const hb_ot_shape_plan_t *plan,
 {
   hb_glyph_info_t *info = buffer->info;
 
+  DEBUG_MSG (ARABIC, buffer, "Reordering marks from %d to %d", start, end);
+
   unsigned int i = start;
   for (unsigned int cc = 220; cc <= 230; cc += 10)
   {
-    DEBUG_MSG (ARABIC, buffer, "Looking for %d's starting at %d\n", cc, i);
+    DEBUG_MSG (ARABIC, buffer, "Looking for %d's starting at %d", cc, i);
     while (i < end && info_cc(info[i]) < cc)
       i++;
-    DEBUG_MSG (ARABIC, buffer, "Looking for %d's stopped at %d\n", cc, i);
+    DEBUG_MSG (ARABIC, buffer, "Looking for %d's stopped at %d", cc, i);
 
     if (i == end)
       break;
@@ -658,20 +660,17 @@ reorder_marks_arabic (const hb_ot_shape_plan_t *plan,
     if (info_cc(info[i]) > cc)
       continue;
 
-    /* Technically we should also check "info_cc(info[j]) == cc"
-     * in the following loop.  But not doing it is safe; we might
-     * end up moving all the 220 MCMs and 230 MCMs together in one
-     * move and be done. */
     unsigned int j = i;
-    while (j < end && info_is_mcm (info[j]))
+    while (j < end && info_cc(info[j]) == cc && info_is_mcm (info[j]))
       j++;
-    DEBUG_MSG (ARABIC, buffer, "Found %d's from %d to %d\n", cc, i, j);
 
     if (i == j)
       continue;
 
+    DEBUG_MSG (ARABIC, buffer, "Found %d's from %d to %d", cc, i, j);
+
     /* Shift it! */
-    DEBUG_MSG (ARABIC, buffer, "Shifting %d's: %d %d\n", cc, i, j);
+    DEBUG_MSG (ARABIC, buffer, "Shifting %d's: %d %d", cc, i, j);
     hb_glyph_info_t temp[HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS];
     assert (j - i <= ARRAY_LENGTH (temp));
     buffer->merge_clusters (start, j);
@@ -679,7 +678,25 @@ reorder_marks_arabic (const hb_ot_shape_plan_t *plan,
     memmove (&info[start + j - i], &info[start], (i - start) * sizeof (hb_glyph_info_t));
     memmove (&info[start], temp, (j - i) * sizeof (hb_glyph_info_t));
 
-    start += j - i;
+    /* Renumber CC such that the reordered sequence is still sorted.
+     * 22 and 26 are chosen because they are smaller than all Arabic categories,
+     * and are folded back to 220/230 respectively during fallback mark positioning.
+     *
+     * We do this because the CGJ-handling logic in the normalizer relies on
+     * mark sequences having an increasing order even after this reordering.
+     * https://github.com/harfbuzz/harfbuzz/issues/554
+     * This, however, does break some obscure sequences, where the normalizer
+     * might compose a sequence that it should not.  For example, in the seequence
+     * ALEF, HAMZAH, MADDAH, we should NOT try to compose ALEF+MADDAH, but with this
+     * renumbering, we will.
+     */
+    unsigned int new_start = start + j - i;
+    unsigned int new_cc = cc == 220 ? HB_MODIFIED_COMBINING_CLASS_CCC22 : HB_MODIFIED_COMBINING_CLASS_CCC26;
+    while (start < new_start)
+    {
+      _hb_glyph_info_set_modified_combining_class (&info[start], new_cc);
+      start++;
+    }
 
     i = j;
   }
diff --git a/src/hb-ot-shape-normalize.cc b/src/hb-ot-shape-normalize.cc
index fd9e7c2a8..62cbb9de9 100644
--- a/src/hb-ot-shape-normalize.cc
+++ b/src/hb-ot-shape-normalize.cc
@@ -345,9 +345,8 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
       if (_hb_glyph_info_get_modified_combining_class (&buffer->info[end]) == 0)
         break;
 
-    /* We are going to do a O(n^2).  Only do this if the sequence is short,
-     * but not too short ;). */
-    if (end - i < 2 || end - i > HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS) {
+    /* We are going to do a O(n^2).  Only do this if the sequence is short. */
+    if (end - i > HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS) {
       i = end;
       continue;
     }
@@ -373,13 +372,11 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
   buffer->clear_output ();
   count = buffer->len;
   unsigned int starter = 0;
-  bool combine = true;
   buffer->next_glyph ();
   while (buffer->idx < count && !buffer->in_error)
   {
     hb_codepoint_t composed, glyph;
-    if (combine &&
-	/* We don't try to compose a non-mark character with it's preceding starter.
+    if (/* We don't try to compose a non-mark character with it's preceding starter.
 	 * This is both an optimization to avoid trying to compose every two neighboring
 	 * glyphs in most scripts AND a desired feature for Hangul.  Apparently Hangul
 	 * fonts are not designed to mix-and-match pre-composed syllables and Jamo. */
@@ -410,22 +407,27 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
 
 	continue;
       }
-      else if (/* We sometimes custom-tailor the sorted order of marks. In that case, stop
-		* trying to combine as soon as combining-class drops. */
-	       starter < buffer->out_len - 1 &&
-	       info_cc (buffer->prev()) > info_cc (buffer->cur()))
-        combine = false;
     }
 
     /* Blocked, or doesn't compose. */
     buffer->next_glyph ();
 
     if (info_cc (buffer->prev()) == 0)
-    {
       starter = buffer->out_len - 1;
-      combine = true;
-    }
   }
   buffer->swap_buffers ();
 
+  if (buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_CGJ)
+  {
+    /* For all CGJ, check if it prevented any reordering at all.
+     * If it did NOT, then make it skippable.
+     * https://github.com/harfbuzz/harfbuzz/issues/554
+     */
+    for (unsigned int i = 1; i + 1 < buffer->len; i++)
+      if (buffer->info[i].codepoint == 0x034Fu/*CGJ*/ &&
+	  info_cc(buffer->info[i-1]) <= info_cc(buffer->info[i+1]))
+      {
+	_hb_glyph_info_unhide (&buffer->info[i]);
+      }
+  }
 }
diff --git a/test/shaping/tests/arabic-mark-order.tests b/test/shaping/tests/arabic-mark-order.tests
index b48c82fd3..cc5226bb2 100644
--- a/test/shaping/tests/arabic-mark-order.tests
+++ b/test/shaping/tests/arabic-mark-order.tests
@@ -1,2 +1,6 @@
 fonts/sha1sum/94a5d6fb15a27521fba9ea4aee9cb39b2d03322a.ttf::U+064A,U+064E,U+0670,U+0653,U+0640,U+0654,U+064E,U+0627:[afii57415.zz04=7+481|afii57454=4@25,975+0|uni0654=4@-50,50+0|afii57440=4+650|uni0670_uni0653=0@75,400+0|afii57454=0@750,1125+0|afii57450.calt=0+1331]
 fonts/sha1sum/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf::U+0628,U+0618,U+0619,U+064E,U+064F,U+0654,U+0658,U+0653,U+0654,U+0651,U+0656,U+0651,U+065C,U+0655,U+0650:[uni0653.small=0@266,2508+0|uni0654=0@308,2151+0|uni0655=0@518,-1544+0|uni065C=0@501,-1453+0|uni0656=0@573,-659+0|uni0650=0@500,133+0|uni0619=0@300,1807+0|uni0618=0@357,1674+0|uni0651064E=0@387,1178+0|uni0651=0@402,764+0|uni0658=0@424,404+0|uni0654064F=0@540,-435+0|uni0628=0+1352]
+fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf::U+0649,U+0655,U+034F,U+0650:[uni0650.small2=0@727,-774+0|space=0+0|uni0655=0@727,-209+0|uni0649=0+1566]
+fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf::U+0649,U+0655,U+0650:[uni0650.small2=0@727,-774+0|uni0655=0@727,-209+0|uni0649=0+1566]
+fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf::U+0649,U+0650,U+0655:[uni0650.small2=0@727,-774+0|uni0655=0@727,-209+0|uni0649=0+1566]
+fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf::U+0649,U+0650,U+034F,U+0655:[uni0655=0+0|space=0+0|uni0650=0@166,0+0|uni0649=0+1566]

From ed2f458b143327d07e67fdb976ead9d7ff2863f8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 12:55:39 +0000
Subject: [PATCH 0727/1326] Add test font for previous commit

---
 .../21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf | Bin 0 -> 4816 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 test/shaping/fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf

diff --git a/test/shaping/fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf b/test/shaping/fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..76d9c306d12a099ca5302a2762f29b4dd5338d84
GIT binary patch
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z+%ecMpSgfb?Dc#O0miuieLgDy!{>nW5de%E5&U@%0+ufj`PNDB<5Z#?qlq>IME-*e
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zDX%MUE2oq{D1TKxRz6dm{ix!PSI_3wYl~-mD!wA0B}8u;GjA9j&#yeYc-0gB-GH4%
zOvH!OE>;lf)pR?A=uXSk!Xh-TmW}Voy~}5E@2F4G9!bX!<W7j+=6<GppLX+Axf6UY
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zECn9KA2}v{;ml>M<-B4XPQrdPsXtStt-V7v3$R?38p%6p)YJ0DlKBv~^^%vNlNC}^
zheN)8Bu+(hZ~~bvC`L5}jLajMGXfe`*fA1-<FJr%8#0~AH^Q%XNmT(}d1DH?k4^z|
z3NvR-u8;2G0k#2B9Jw;H#&nXB<q5BVl`<z3<aHg+lq2<0`jRaj|C|Ax+r}#Jbf0}o
vN*bxHl<&!NnDReOwiYt$Ws}|>zvHOp&VJH2&R#O#98OsiWRo$GedT`v5BB-o

literal 0
HcmV?d00001


From cb43bdbc2f3a16061c33596b15b29eb7f9713871 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 13:06:25 +0000
Subject: [PATCH 0728/1326] [ft] If there's no variations set, don't set them
 on hb-font

---
 src/hb-ft.cc | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 4f33e114b..ae8c8d923 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -635,10 +635,18 @@ hb_ft_font_changed (hb_font_t *font)
     {
       if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, ft_coords))
       {
-	for (unsigned int i = 0; i < mm_var->num_axis; ++i)
-	  coords[i] = ft_coords[i] >>= 2;
+	bool nonzero = false;
 
-	hb_font_set_var_coords_normalized (font, coords, mm_var->num_axis);
+	for (unsigned int i = 0; i < mm_var->num_axis; ++i)
+	 {
+	  coords[i] = ft_coords[i] >>= 2;
+	  nonzero = nonzero || coords[i];
+	 }
+
+	if (nonzero)
+	  hb_font_set_var_coords_normalized (font, coords, mm_var->num_axis);
+	else
+	  hb_font_set_var_coords_normalized (font, nullptr, 0);
       }
     }
     free (coords);

From a3afdd1e080bb181ddec126b6233d52438882a13 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 13:17:02 +0000
Subject: [PATCH 0729/1326] Minor

---
 src/hb-ot-layout-common-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 5e699e196..78e65d389 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1394,7 +1394,7 @@ struct VariationStore
   protected:
   UINT16				format;
   LOffsetTo<VarRegionList>		regions;
-  OffsetArrayOf<VarData, UINT32>		dataSets;
+  OffsetArrayOf<VarData, UINT32>	dataSets;
   public:
   DEFINE_SIZE_ARRAY (8, dataSets);
 };

From 54b2b93722c9f067199cd7145dfd065d5b6b2f0c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 13:20:21 +0000
Subject: [PATCH 0730/1326] [ot] Fix VariationStore evaluation algorithm

Ouch!  Missing coords should still be evaluated as coord=0, which
most of the time results in a factor of 0.  We were skipping these,
which was equivalent to a factor of 1.

Fixes https://github.com/harfbuzz/harfbuzz/issues/652
---
 src/hb-ot-layout-common-private.hh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 78e65d389..cb308cd2c 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1275,10 +1275,11 @@ struct VarRegionList
     const VarRegionAxis *axes = axesZ + (region_index * axisCount);
 
     float v = 1.;
-    unsigned int count = MIN (coord_len, (unsigned int) axisCount);
+    unsigned int count = axisCount;
     for (unsigned int i = 0; i < count; i++)
     {
-      float factor = axes[i].evaluate (coords[i]);
+      int coord = i < coord_len ? coords[i] : 0;
+      float factor = axes[i].evaluate (coord);
       if (factor == 0.)
         return 0.;
       v *= factor;

From 1e05ea79d057fbae5f680589d4ee7d3c6a971689 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 14:01:37 +0000
Subject: [PATCH 0731/1326] [ot] Short-circuit base instance advance variation

---
 src/hb-ot-hmtx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index e710aee42..29770f7a1 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -144,7 +144,7 @@ struct hmtxvmtx
       }
 
       return table->longMetric[MIN (glyph, (uint32_t) num_advances - 1)].advance
-	   + var_table->get_advance_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
+	   + (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
     }
 
     public:

From dcf4d95fea45e19fbb3b39f0211b2aa96a907473 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 14:54:31 +0000
Subject: [PATCH 0732/1326] [khmer] Split off Khmer shaper from Indic

Towards fixing https://github.com/harfbuzz/harfbuzz/issues/667
The Khmer spec is different enough from other Indic ones to require
its own grammar.

No change in functionality.  Test numbers are:

BENGALI: 353725 out of 354188 tests passed. 463 failed (0.130722%)
DEVANAGARI: 707307 out of 707394 tests passed. 87 failed (0.0122987%)
GUJARATI: 366355 out of 366457 tests passed. 102 failed (0.0278341%)
GURMUKHI: 60729 out of 60747 tests passed. 18 failed (0.0296311%)
KANNADA: 951300 out of 951913 tests passed. 613 failed (0.0643966%)
KHMER: 299071 out of 299124 tests passed. 53 failed (0.0177184%)
MALAYALAM: 1048136 out of 1048334 tests passed. 198 failed (0.0188871%)
ORIYA: 42320 out of 42329 tests passed. 9 failed (0.021262%)
SINHALA: 271662 out of 271847 tests passed. 185 failed (0.068053%)
TAMIL: 1091754 out of 1091754 tests passed. 0 failed (0%)
TELUGU: 970555 out of 970573 tests passed. 18 failed (0.00185457%)
---
 src/Makefile.sources                     |    3 +
 src/hb-ot-shape-complex-khmer-machine.rl |  130 ++
 src/hb-ot-shape-complex-khmer.cc         | 1867 ++++++++++++++++++++++
 src/hb-ot-shape-complex-private.hh       |    5 +-
 4 files changed, 2003 insertions(+), 2 deletions(-)
 create mode 100644 src/hb-ot-shape-complex-khmer-machine.rl
 create mode 100644 src/hb-ot-shape-complex-khmer.cc

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 5824055b2..63e0ddcd7 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -107,6 +107,7 @@ HB_OT_sources = \
 	hb-ot-shape-complex-indic.cc \
 	hb-ot-shape-complex-indic-private.hh \
 	hb-ot-shape-complex-indic-table.cc \
+	hb-ot-shape-complex-khmer.cc \
 	hb-ot-shape-complex-myanmar.cc \
 	hb-ot-shape-complex-thai.cc \
 	hb-ot-shape-complex-tibetan.cc \
@@ -128,11 +129,13 @@ HB_OT_sources = \
 
 HB_OT_RAGEL_GENERATED_sources = \
 	hb-ot-shape-complex-indic-machine.hh \
+	hb-ot-shape-complex-khmer-machine.hh \
 	hb-ot-shape-complex-myanmar-machine.hh \
 	hb-ot-shape-complex-use-machine.hh \
 	$(NULL)
 HB_OT_RAGEL_sources = \
 	hb-ot-shape-complex-indic-machine.rl \
+	hb-ot-shape-complex-khmer-machine.rl \
 	hb-ot-shape-complex-myanmar-machine.rl \
 	hb-ot-shape-complex-use-machine.rl \
 	$(NULL)
diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
new file mode 100644
index 000000000..d30c6b75c
--- /dev/null
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -0,0 +1,130 @@
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
+#define HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
+
+#include "hb-private.hh"
+
+%%{
+  machine khmer_syllable_machine;
+  alphtype unsigned char;
+  write data;
+}%%
+
+%%{
+
+# Same order as enum khmer_category_t.  Not sure how to avoid duplication.
+X    = 0;
+C    = 1;
+V    = 2;
+N    = 3;
+H    = 4;
+ZWNJ = 5;
+ZWJ  = 6;
+M    = 7;
+SM   = 8;
+VD   = 9;
+A    = 10;
+PLACEHOLDER = 11;
+DOTTEDCIRCLE = 12;
+RS    = 13;
+Coeng = 14;
+Repha = 15;
+Ra    = 16;
+CM    = 17;
+Symbol= 18;
+CS    = 19;
+
+c = (C | Ra);			# is_consonant
+n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
+z = ZWJ|ZWNJ;			# is_joiner
+h = H | Coeng;			# is_halant_or_coeng
+reph = (Ra H | Repha);		# possible reph
+
+cn = c.ZWJ?.n?;
+forced_rakar = ZWJ H ZWJ Ra;
+symbol = Symbol.N?;
+matra_group = z{0,3}.M.N?.(H | forced_rakar)?;
+syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
+place_holder = PLACEHOLDER | DOTTEDCIRCLE;
+halant_group = (z?.h.(ZWJ.N?)?);
+final_halant_group = halant_group | h.ZWNJ;
+medial_group = CM?;
+halant_or_matra_group = (final_halant_group | (h.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
+
+
+consonant_syllable =	(Repha|CS)? (cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
+vowel_syllable =	reph? V.n? (ZWJ | (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail);
+standalone_cluster =	((Repha|CS)? PLACEHOLDER | reph? DOTTEDCIRCLE).n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
+symbol_cluster = 	symbol syllable_tail;
+broken_cluster =	reph? n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
+other =			any;
+
+main := |*
+	consonant_syllable	=> { found_syllable (consonant_syllable); };
+	vowel_syllable		=> { found_syllable (vowel_syllable); };
+	standalone_cluster	=> { found_syllable (standalone_cluster); };
+	symbol_cluster		=> { found_syllable (symbol_cluster); };
+	broken_cluster		=> { found_syllable (broken_cluster); };
+	other			=> { found_syllable (non_khmer_cluster); };
+*|;
+
+
+}%%
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", last, p+1, #syllable_type); \
+    for (unsigned int i = last; i < p+1; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    last = p+1; \
+    syllable_serial++; \
+    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
+  } HB_STMT_END
+
+static void
+find_syllables (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  %%{
+    write init;
+    getkey info[p].khmer_category();
+  }%%
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int last = 0;
+  unsigned int syllable_serial = 1;
+  %%{
+    write exec;
+  }%%
+}
+
+#endif /* HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH */
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
new file mode 100644
index 000000000..839952add
--- /dev/null
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -0,0 +1,1867 @@
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-ot-shape-complex-indic-private.hh"
+#include "hb-ot-layout-private.hh"
+
+/* buffer var allocations */
+#define khmer_category() complex_var_u8_0() /* khmer_category_t */
+#define khmer_position() complex_var_u8_1() /* khmer_position_t */
+
+
+/*
+ * Khmer shaper.
+ */
+
+typedef indic_category_t khmer_category_t;
+typedef indic_position_t khmer_position_t;
+
+
+#define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
+
+#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x0900u))
+#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x0980u))
+#define IS_GURU(u) (IN_HALF_BLOCK (u, 0x0A00u))
+#define IS_GUJR(u) (IN_HALF_BLOCK (u, 0x0A80u))
+#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0x0B00u))
+#define IS_TAML(u) (IN_HALF_BLOCK (u, 0x0B80u))
+#define IS_TELU(u) (IN_HALF_BLOCK (u, 0x0C00u))
+#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
+#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
+#define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
+#define IS_KHMR(u) (IN_HALF_BLOCK (u, 0x1780u))
+
+
+#define MATRA_POS_LEFT(u)	POS_PRE_M
+#define MATRA_POS_RIGHT(u)	( \
+				  IS_DEVA(u) ? POS_AFTER_SUB  : \
+				  IS_BENG(u) ? POS_AFTER_POST : \
+				  IS_GURU(u) ? POS_AFTER_POST : \
+				  IS_GUJR(u) ? POS_AFTER_POST : \
+				  IS_ORYA(u) ? POS_AFTER_POST : \
+				  IS_TAML(u) ? POS_AFTER_POST : \
+				  IS_TELU(u) ? (u <= 0x0C42u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
+				  IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
+				  IS_MLYM(u) ? POS_AFTER_POST : \
+				  IS_SINH(u) ? POS_AFTER_SUB  : \
+				  IS_KHMR(u) ? POS_AFTER_POST : \
+				  /*default*/  POS_AFTER_SUB    \
+				)
+#define MATRA_POS_TOP(u)	( /* BENG and MLYM don't have top matras. */ \
+				  IS_DEVA(u) ? POS_AFTER_SUB  : \
+				  IS_GURU(u) ? POS_AFTER_POST : /* Deviate from spec */ \
+				  IS_GUJR(u) ? POS_AFTER_SUB  : \
+				  IS_ORYA(u) ? POS_AFTER_MAIN : \
+				  IS_TAML(u) ? POS_AFTER_SUB  : \
+				  IS_TELU(u) ? POS_BEFORE_SUB : \
+				  IS_KNDA(u) ? POS_BEFORE_SUB : \
+				  IS_SINH(u) ? POS_AFTER_SUB  : \
+				  IS_KHMR(u) ? POS_AFTER_POST : \
+				  /*default*/  POS_AFTER_SUB    \
+				)
+#define MATRA_POS_BOTTOM(u)	( \
+				  IS_DEVA(u) ? POS_AFTER_SUB  : \
+				  IS_BENG(u) ? POS_AFTER_SUB  : \
+				  IS_GURU(u) ? POS_AFTER_POST : \
+				  IS_GUJR(u) ? POS_AFTER_POST : \
+				  IS_ORYA(u) ? POS_AFTER_SUB  : \
+				  IS_TAML(u) ? POS_AFTER_POST : \
+				  IS_TELU(u) ? POS_BEFORE_SUB : \
+				  IS_KNDA(u) ? POS_BEFORE_SUB : \
+				  IS_MLYM(u) ? POS_AFTER_POST : \
+				  IS_SINH(u) ? POS_AFTER_SUB  : \
+				  IS_KHMR(u) ? POS_AFTER_POST : \
+				  /*default*/  POS_AFTER_SUB    \
+				)
+
+static inline khmer_position_t
+matra_position (hb_codepoint_t u, khmer_position_t side)
+{
+  switch ((int) side)
+  {
+    case POS_PRE_C:	return MATRA_POS_LEFT (u);
+    case POS_POST_C:	return MATRA_POS_RIGHT (u);
+    case POS_ABOVE_C:	return MATRA_POS_TOP (u);
+    case POS_BELOW_C:	return MATRA_POS_BOTTOM (u);
+  };
+  return side;
+}
+
+/* XXX
+ * This is a hack for now.  We should move this data into the main Indic table.
+ * Or completely remove it and just check in the tables.
+ */
+static const hb_codepoint_t ra_chars[] = {
+  0x0930u, /* Devanagari */
+  0x09B0u, /* Bengali */
+  0x09F0u, /* Bengali */
+  0x0A30u, /* Gurmukhi */	/* No Reph */
+  0x0AB0u, /* Gujarati */
+  0x0B30u, /* Oriya */
+  0x0BB0u, /* Tamil */		/* No Reph */
+  0x0C30u, /* Telugu */		/* Reph formed only with ZWJ */
+  0x0CB0u, /* Kannada */
+  0x0D30u, /* Malayalam */	/* No Reph, Logical Repha */
+
+  0x0DBBu, /* Sinhala */		/* Reph formed only with ZWJ */
+
+  0x179Au, /* Khmer */		/* No Reph, Visual Repha */
+};
+
+static inline bool
+is_ra (hb_codepoint_t u)
+{
+  for (unsigned int i = 0; i < ARRAY_LENGTH (ra_chars); i++)
+    if (u == ra_chars[i])
+      return true;
+  return false;
+}
+
+static inline bool
+is_one_of (const hb_glyph_info_t &info, unsigned int flags)
+{
+  /* If it ligated, all bets are off. */
+  if (_hb_glyph_info_ligated (&info)) return false;
+  return !!(FLAG_UNSAFE (info.khmer_category()) & flags);
+}
+
+static inline bool
+is_joiner (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, JOINER_FLAGS);
+}
+
+static inline bool
+is_consonant (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, CONSONANT_FLAGS);
+}
+
+static inline bool
+is_halant_or_coeng (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, HALANT_OR_COENG_FLAGS);
+}
+
+static inline void
+set_khmer_properties (hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  unsigned int type = hb_indic_get_categories (u);
+  khmer_category_t cat = (khmer_category_t) (type & 0x7Fu);
+  khmer_position_t pos = (khmer_position_t) (type >> 8);
+
+
+  /*
+   * Re-assign category
+   */
+
+  /* The following act more like the Bindus. */
+  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
+    cat = OT_SM;
+  /* The following act like consonants. */
+  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
+				      0x1CF5u, 0x1CF6u)))
+    cat = OT_C;
+  /* TODO: The following should only be allowed after a Visarga.
+   * For now, just treat them like regular tone marks. */
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
+    cat = OT_A;
+  /* TODO: The following should only be allowed after some of
+   * the nasalization marks, maybe only for U+1CE9..U+1CF1.
+   * For now, just treat them like tone marks. */
+  else if (unlikely (u == 0x1CEDu))
+    cat = OT_A;
+  /* The following take marks in standalone clusters, similar to Avagraha. */
+  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
+				      0x1CE9u, 0x1CECu,
+				      0x1CEEu, 0x1CF1u)))
+  {
+    cat = OT_Symbol;
+    static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
+  }
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
+		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
+  {
+    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.
+     * https://github.com/roozbehp/unicode-data/issues/5 */
+    cat = OT_M;
+    pos = POS_ABOVE_C;
+  }
+  else if (unlikely (u == 0x0A51u))
+  {
+    /* https://github.com/harfbuzz/harfbuzz/issues/524 */
+    cat = OT_M;
+    pos = POS_BELOW_C;
+  }
+
+  /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
+   * so the Indic shaper needs to know their categories. */
+  else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
+  else if (unlikely (u == 0x1133cu)) cat = OT_N;
+
+  else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
+
+  else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
+  else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
+  else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
+				    cat = OT_PLACEHOLDER;
+  else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
+
+
+  /*
+   * Re-assign position.
+   */
+
+  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
+  {
+    pos = POS_BASE_C;
+    if (is_ra (u))
+      cat = OT_Ra;
+  }
+  else if (cat == OT_M)
+  {
+    pos = matra_position (u, pos);
+  }
+  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_VD) | FLAG (OT_A) | FLAG (OT_Symbol))))
+  {
+    pos = POS_SMVD;
+  }
+
+  if (unlikely (u == 0x0B01u)) pos = POS_BEFORE_SUB; /* Oriya Bindu is BeforeSub in the spec. */
+
+
+
+  info.khmer_category() = cat;
+  info.khmer_position() = pos;
+}
+
+/*
+ * Things above this line should ideally be moved to the Indic table itself.
+ */
+
+
+/*
+ * Indic configurations.  Note that we do not want to keep every single script-specific
+ * behavior in these tables necessarily.  This should mainly be used for per-script
+ * properties that are cheaper keeping here, than in the code.  Ie. if, say, one and
+ * only one script has an exception, that one script can be if'ed directly in the code,
+ * instead of adding a new flag in these structs.
+ */
+
+enum base_position_t {
+  BASE_POS_FIRST,
+  BASE_POS_LAST_SINHALA,
+  BASE_POS_LAST
+};
+enum reph_position_t {
+  REPH_POS_AFTER_MAIN  = POS_AFTER_MAIN,
+  REPH_POS_BEFORE_SUB  = POS_BEFORE_SUB,
+  REPH_POS_AFTER_SUB   = POS_AFTER_SUB,
+  REPH_POS_BEFORE_POST = POS_BEFORE_POST,
+  REPH_POS_AFTER_POST  = POS_AFTER_POST,
+  REPH_POS_DONT_CARE   = POS_RA_TO_BECOME_REPH
+};
+enum reph_mode_t {
+  REPH_MODE_IMPLICIT,  /* Reph formed out of initial Ra,H sequence. */
+  REPH_MODE_EXPLICIT,  /* Reph formed out of initial Ra,H,ZWJ sequence. */
+  REPH_MODE_VIS_REPHA, /* Encoded Repha character, no reordering needed. */
+  REPH_MODE_LOG_REPHA  /* Encoded Repha character, needs reordering. */
+};
+enum blwf_mode_t {
+  BLWF_MODE_PRE_AND_POST, /* Below-forms feature applied to pre-base and post-base. */
+  BLWF_MODE_POST_ONLY     /* Below-forms feature applied to post-base only. */
+};
+struct indic_config_t
+{
+  hb_script_t     script;
+  bool            has_old_spec;
+  hb_codepoint_t  virama;
+  base_position_t base_pos;
+  reph_position_t reph_pos;
+  reph_mode_t     reph_mode;
+  blwf_mode_t     blwf_mode;
+};
+
+static const indic_config_t indic_configs[] =
+{
+  /* Default.  Should be first. */
+  {HB_SCRIPT_INVALID,	false,      0,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_DEVANAGARI,true, 0x094Du,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_BENGALI,	true, 0x09CDu,BASE_POS_LAST, REPH_POS_AFTER_SUB,  REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_GURMUKHI,	true, 0x0A4Du,BASE_POS_LAST, REPH_POS_BEFORE_SUB, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_GUJARATI,	true, 0x0ACDu,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_ORIYA,	true, 0x0B4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_TAMIL,	true, 0x0BCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_TELUGU,	true, 0x0C4Du,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_EXPLICIT, BLWF_MODE_POST_ONLY},
+  {HB_SCRIPT_KANNADA,	true, 0x0CCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_POST_ONLY},
+  {HB_SCRIPT_MALAYALAM,	true, 0x0D4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_LOG_REPHA,BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_SINHALA,	false,0x0DCAu,BASE_POS_LAST_SINHALA,
+						     REPH_POS_AFTER_MAIN, REPH_MODE_EXPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_KHMER,	false,0x17D2u,BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
+};
+
+
+
+/*
+ * Indic shaper.
+ */
+
+struct feature_list_t {
+  hb_tag_t tag;
+  hb_ot_map_feature_flags_t flags;
+};
+
+static const feature_list_t
+khmer_features[] =
+{
+  /*
+   * Basic features.
+   * These features are applied in order, one at a time, after initial_reordering.
+   */
+  {HB_TAG('n','u','k','t'), F_GLOBAL},
+  {HB_TAG('a','k','h','n'), F_GLOBAL},
+  {HB_TAG('r','p','h','f'), F_NONE},
+  {HB_TAG('r','k','r','f'), F_GLOBAL},
+  {HB_TAG('p','r','e','f'), F_NONE},
+  {HB_TAG('b','l','w','f'), F_NONE},
+  {HB_TAG('a','b','v','f'), F_NONE},
+  {HB_TAG('h','a','l','f'), F_NONE},
+  {HB_TAG('p','s','t','f'), F_NONE},
+  {HB_TAG('v','a','t','u'), F_GLOBAL},
+  {HB_TAG('c','j','c','t'), F_GLOBAL},
+  {HB_TAG('c','f','a','r'), F_NONE},
+  /*
+   * Other features.
+   * These features are applied all at once, after final_reordering.
+   * Default Bengali font in Windows for example has intermixed
+   * lookups for init,pres,abvs,blws features.
+   */
+  {HB_TAG('i','n','i','t'), F_NONE},
+  {HB_TAG('p','r','e','s'), F_GLOBAL},
+  {HB_TAG('a','b','v','s'), F_GLOBAL},
+  {HB_TAG('b','l','w','s'), F_GLOBAL},
+  {HB_TAG('p','s','t','s'), F_GLOBAL},
+  {HB_TAG('h','a','l','n'), F_GLOBAL},
+  /* Positioning features, though we don't care about the types. */
+  {HB_TAG('d','i','s','t'), F_GLOBAL},
+  {HB_TAG('a','b','v','m'), F_GLOBAL},
+  {HB_TAG('b','l','w','m'), F_GLOBAL},
+};
+
+/*
+ * Must be in the same order as the khmer_features array.
+ */
+enum {
+  _NUKT,
+  _AKHN,
+  RPHF,
+  _RKRF,
+  PREF,
+  BLWF,
+  ABVF,
+  HALF,
+  PSTF,
+  _VATU,
+  _CJCT,
+  CFAR,
+
+  INIT,
+  _PRES,
+  _ABVS,
+  _BLWS,
+  _PSTS,
+  _HALN,
+  _DIST,
+  _ABVM,
+  _BLWM,
+
+  INDIC_NUM_FEATURES,
+  INDIC_BASIC_FEATURES = INIT /* Don't forget to update this! */
+};
+
+static void
+setup_syllables (const hb_ot_shape_plan_t *plan,
+		 hb_font_t *font,
+		 hb_buffer_t *buffer);
+static void
+initial_reordering (const hb_ot_shape_plan_t *plan,
+		    hb_font_t *font,
+		    hb_buffer_t *buffer);
+static void
+final_reordering (const hb_ot_shape_plan_t *plan,
+		  hb_font_t *font,
+		  hb_buffer_t *buffer);
+static void
+clear_syllables (const hb_ot_shape_plan_t *plan,
+		 hb_font_t *font,
+		 hb_buffer_t *buffer);
+
+static void
+collect_features_khmer (hb_ot_shape_planner_t *plan)
+{
+  hb_ot_map_builder_t *map = &plan->map;
+
+  /* Do this before any lookups have been applied. */
+  map->add_gsub_pause (setup_syllables);
+
+  map->add_global_bool_feature (HB_TAG('l','o','c','l'));
+  /* The Indic specs do not require ccmp, but we apply it here since if
+   * there is a use of it, it's typically at the beginning. */
+  map->add_global_bool_feature (HB_TAG('c','c','m','p'));
+
+
+  unsigned int i = 0;
+  map->add_gsub_pause (initial_reordering);
+  for (; i < INDIC_BASIC_FEATURES; i++) {
+    map->add_feature (khmer_features[i].tag, 1, khmer_features[i].flags | F_MANUAL_ZWJ | F_MANUAL_ZWNJ);
+    map->add_gsub_pause (nullptr);
+  }
+  map->add_gsub_pause (final_reordering);
+  for (; i < INDIC_NUM_FEATURES; i++) {
+    map->add_feature (khmer_features[i].tag, 1, khmer_features[i].flags | F_MANUAL_ZWJ | F_MANUAL_ZWNJ);
+  }
+
+  map->add_global_bool_feature (HB_TAG('c','a','l','t'));
+  map->add_global_bool_feature (HB_TAG('c','l','i','g'));
+
+  map->add_gsub_pause (clear_syllables);
+}
+
+static void
+override_features_khmer (hb_ot_shape_planner_t *plan)
+{
+  /* Uniscribe does not apply 'kern' in Khmer. */
+  if (hb_options ().uniscribe_bug_compatible)
+  {
+    switch ((hb_tag_t) plan->props.script)
+    {
+      case HB_SCRIPT_KHMER:
+	plan->map.add_feature (HB_TAG('k','e','r','n'), 0, F_GLOBAL);
+	break;
+    }
+  }
+
+  plan->map.add_feature (HB_TAG('l','i','g','a'), 0, F_GLOBAL);
+}
+
+
+struct would_substitute_feature_t
+{
+  inline void init (const hb_ot_map_t *map, hb_tag_t feature_tag, bool zero_context_)
+  {
+    zero_context = zero_context_;
+    map->get_stage_lookups (0/*GSUB*/,
+			    map->get_feature_stage (0/*GSUB*/, feature_tag),
+			    &lookups, &count);
+  }
+
+  inline bool would_substitute (const hb_codepoint_t *glyphs,
+				unsigned int          glyphs_count,
+				hb_face_t            *face) const
+  {
+    for (unsigned int i = 0; i < count; i++)
+      if (hb_ot_layout_lookup_would_substitute_fast (face, lookups[i].index, glyphs, glyphs_count, zero_context))
+	return true;
+    return false;
+  }
+
+  private:
+  const hb_ot_map_t::lookup_map_t *lookups;
+  unsigned int count;
+  bool zero_context;
+};
+
+struct khmer_shape_plan_t
+{
+  ASSERT_POD ();
+
+  inline bool get_virama_glyph (hb_font_t *font, hb_codepoint_t *pglyph) const
+  {
+    hb_codepoint_t glyph = virama_glyph;
+    if (unlikely (virama_glyph == (hb_codepoint_t) -1))
+    {
+      if (!config->virama || !font->get_nominal_glyph (config->virama, &glyph))
+	glyph = 0;
+      /* Technically speaking, the spec says we should apply 'locl' to virama too.
+       * Maybe one day... */
+
+      /* Our get_nominal_glyph() function needs a font, so we can't get the virama glyph
+       * during shape planning...  Instead, overwrite it here.  It's safe.  Don't worry! */
+      virama_glyph = glyph;
+    }
+
+    *pglyph = glyph;
+    return glyph != 0;
+  }
+
+  const indic_config_t *config;
+
+  bool is_old_spec;
+  mutable hb_codepoint_t virama_glyph;
+
+  would_substitute_feature_t rphf;
+  would_substitute_feature_t pref;
+  would_substitute_feature_t blwf;
+  would_substitute_feature_t pstf;
+
+  hb_mask_t mask_array[INDIC_NUM_FEATURES];
+};
+
+static void *
+data_create_khmer (const hb_ot_shape_plan_t *plan)
+{
+  khmer_shape_plan_t *khmer_plan = (khmer_shape_plan_t *) calloc (1, sizeof (khmer_shape_plan_t));
+  if (unlikely (!khmer_plan))
+    return nullptr;
+
+  khmer_plan->config = &indic_configs[0];
+  for (unsigned int i = 1; i < ARRAY_LENGTH (indic_configs); i++)
+    if (plan->props.script == indic_configs[i].script) {
+      khmer_plan->config = &indic_configs[i];
+      break;
+    }
+
+  khmer_plan->is_old_spec = khmer_plan->config->has_old_spec && ((plan->map.chosen_script[0] & 0x000000FFu) != '2');
+  khmer_plan->virama_glyph = (hb_codepoint_t) -1;
+
+  /* Use zero-context would_substitute() matching for new-spec of the main
+   * Indic scripts, and scripts with one spec only, but not for old-specs.
+   * The new-spec for all dual-spec scripts says zero-context matching happens.
+   *
+   * However, testing with Malayalam shows that old and new spec both allow
+   * context.  Testing with Bengali new-spec however shows that it doesn't.
+   * So, the heuristic here is the way it is.  It should *only* be changed,
+   * as we discover more cases of what Windows does.  DON'T TOUCH OTHERWISE.
+   */
+  bool zero_context = !khmer_plan->is_old_spec && plan->props.script != HB_SCRIPT_MALAYALAM;
+  khmer_plan->rphf.init (&plan->map, HB_TAG('r','p','h','f'), zero_context);
+  khmer_plan->pref.init (&plan->map, HB_TAG('p','r','e','f'), zero_context);
+  khmer_plan->blwf.init (&plan->map, HB_TAG('b','l','w','f'), zero_context);
+  khmer_plan->pstf.init (&plan->map, HB_TAG('p','s','t','f'), zero_context);
+
+  for (unsigned int i = 0; i < ARRAY_LENGTH (khmer_plan->mask_array); i++)
+    khmer_plan->mask_array[i] = (khmer_features[i].flags & F_GLOBAL) ?
+				 0 : plan->map.get_1_mask (khmer_features[i].tag);
+
+  return khmer_plan;
+}
+
+static void
+data_destroy_khmer (void *data)
+{
+  free (data);
+}
+
+static khmer_position_t
+consonant_position_from_face (const khmer_shape_plan_t *khmer_plan,
+			      const hb_codepoint_t consonant,
+			      const hb_codepoint_t virama,
+			      hb_face_t *face)
+{
+  /* For old-spec, the order of glyphs is Consonant,Virama,
+   * whereas for new-spec, it's Virama,Consonant.  However,
+   * some broken fonts (like Free Sans) simply copied lookups
+   * from old-spec to new-spec without modification.
+   * And oddly enough, Uniscribe seems to respect those lookups.
+   * Eg. in the sequence U+0924,U+094D,U+0930, Uniscribe finds
+   * base at 0.  The font however, only has lookups matching
+   * 930,94D in 'blwf', not the expected 94D,930 (with new-spec
+   * table).  As such, we simply match both sequences.  Seems
+   * to work. */
+  hb_codepoint_t glyphs[3] = {virama, consonant, virama};
+  if (khmer_plan->blwf.would_substitute (glyphs  , 2, face) ||
+      khmer_plan->blwf.would_substitute (glyphs+1, 2, face))
+    return POS_BELOW_C;
+  if (khmer_plan->pstf.would_substitute (glyphs  , 2, face) ||
+      khmer_plan->pstf.would_substitute (glyphs+1, 2, face))
+    return POS_POST_C;
+  if (khmer_plan->pref.would_substitute (glyphs  , 2, face) ||
+      khmer_plan->pref.would_substitute (glyphs+1, 2, face))
+    return POS_POST_C;
+  return POS_BASE_C;
+}
+
+
+enum syllable_type_t {
+  consonant_syllable,
+  vowel_syllable,
+  standalone_cluster,
+  symbol_cluster,
+  broken_cluster,
+  non_khmer_cluster,
+};
+
+#include "hb-ot-shape-complex-khmer-machine.hh"
+
+static void
+setup_masks_khmer (const hb_ot_shape_plan_t *plan HB_UNUSED,
+		   hb_buffer_t              *buffer,
+		   hb_font_t                *font HB_UNUSED)
+{
+  HB_BUFFER_ALLOCATE_VAR (buffer, khmer_category);
+  HB_BUFFER_ALLOCATE_VAR (buffer, khmer_position);
+
+  /* We cannot setup masks here.  We save information about characters
+   * and setup masks later on in a pause-callback. */
+
+  unsigned int count = buffer->len;
+  hb_glyph_info_t *info = buffer->info;
+  for (unsigned int i = 0; i < count; i++)
+    set_khmer_properties (info[i]);
+}
+
+static void
+setup_syllables (const hb_ot_shape_plan_t *plan HB_UNUSED,
+		 hb_font_t *font HB_UNUSED,
+		 hb_buffer_t *buffer)
+{
+  find_syllables (buffer);
+  foreach_syllable (buffer, start, end)
+    buffer->unsafe_to_break (start, end);
+}
+
+static int
+compare_khmer_order (const hb_glyph_info_t *pa, const hb_glyph_info_t *pb)
+{
+  int a = pa->khmer_position();
+  int b = pb->khmer_position();
+
+  return a < b ? -1 : a == b ? 0 : +1;
+}
+
+
+
+static void
+update_consonant_positions (const hb_ot_shape_plan_t *plan,
+			    hb_font_t         *font,
+			    hb_buffer_t       *buffer)
+{
+  const khmer_shape_plan_t *khmer_plan = (const khmer_shape_plan_t *) plan->data;
+
+  if (khmer_plan->config->base_pos != BASE_POS_LAST)
+    return;
+
+  hb_codepoint_t virama;
+  if (khmer_plan->get_virama_glyph (font, &virama))
+  {
+    hb_face_t *face = font->face;
+    unsigned int count = buffer->len;
+    hb_glyph_info_t *info = buffer->info;
+    for (unsigned int i = 0; i < count; i++)
+      if (info[i].khmer_position() == POS_BASE_C)
+      {
+	hb_codepoint_t consonant = info[i].codepoint;
+	info[i].khmer_position() = consonant_position_from_face (khmer_plan, consonant, virama, face);
+      }
+  }
+}
+
+
+/* Rules from:
+ * https://www.microsoft.com/typography/otfntdev/devanot/shaping.aspx */
+
+static void
+initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
+				       hb_face_t *face,
+				       hb_buffer_t *buffer,
+				       unsigned int start, unsigned int end)
+{
+  const khmer_shape_plan_t *khmer_plan = (const khmer_shape_plan_t *) plan->data;
+  hb_glyph_info_t *info = buffer->info;
+
+  /* https://github.com/harfbuzz/harfbuzz/issues/435#issuecomment-335560167
+   * // For compatibility with legacy usage in Kannada,
+   * // Ra+h+ZWJ must behave like Ra+ZWJ+h...
+   */
+  if (buffer->props.script == HB_SCRIPT_KANNADA &&
+      start + 3 <= end &&
+      is_one_of (info[start  ], FLAG (OT_Ra)) &&
+      is_one_of (info[start+1], FLAG (OT_H)) &&
+      is_one_of (info[start+2], FLAG (OT_ZWJ)))
+  {
+    buffer->merge_clusters (start+1, start+3);
+    hb_glyph_info_t tmp = info[start+1];
+    info[start+1] = info[start+2];
+    info[start+2] = tmp;
+  }
+
+  /* 1. Find base consonant:
+   *
+   * The shaping engine finds the base consonant of the syllable, using the
+   * following algorithm: starting from the end of the syllable, move backwards
+   * until a consonant is found that does not have a below-base or post-base
+   * form (post-base forms have to follow below-base forms), or that is not a
+   * pre-base-reordering Ra, or arrive at the first consonant. The consonant
+   * stopped at will be the base.
+   *
+   *   o If the syllable starts with Ra + Halant (in a script that has Reph)
+   *     and has more than one consonant, Ra is excluded from candidates for
+   *     base consonants.
+   */
+
+  unsigned int base = end;
+  bool has_reph = false;
+
+  {
+    /* -> If the syllable starts with Ra + Halant (in a script that has Reph)
+     *    and has more than one consonant, Ra is excluded from candidates for
+     *    base consonants. */
+    unsigned int limit = start;
+    if (khmer_plan->config->reph_pos != REPH_POS_DONT_CARE &&
+	khmer_plan->mask_array[RPHF] &&
+	start + 3 <= end &&
+	(
+	 (khmer_plan->config->reph_mode == REPH_MODE_IMPLICIT && !is_joiner (info[start + 2])) ||
+	 (khmer_plan->config->reph_mode == REPH_MODE_EXPLICIT && info[start + 2].khmer_category() == OT_ZWJ)
+	))
+    {
+      /* See if it matches the 'rphf' feature. */
+      hb_codepoint_t glyphs[3] = {info[start].codepoint,
+				  info[start + 1].codepoint,
+				  khmer_plan->config->reph_mode == REPH_MODE_EXPLICIT ?
+				    info[start + 2].codepoint : 0};
+      if (khmer_plan->rphf.would_substitute (glyphs, 2, face) ||
+	  (khmer_plan->config->reph_mode == REPH_MODE_EXPLICIT &&
+	   khmer_plan->rphf.would_substitute (glyphs, 3, face)))
+      {
+	limit += 2;
+	while (limit < end && is_joiner (info[limit]))
+	  limit++;
+	base = start;
+	has_reph = true;
+      }
+    } else if (khmer_plan->config->reph_mode == REPH_MODE_LOG_REPHA && info[start].khmer_category() == OT_Repha)
+    {
+	limit += 1;
+	while (limit < end && is_joiner (info[limit]))
+	  limit++;
+	base = start;
+	has_reph = true;
+    }
+
+    switch (khmer_plan->config->base_pos)
+    {
+      case BASE_POS_LAST:
+      {
+	/* -> starting from the end of the syllable, move backwards */
+	unsigned int i = end;
+	bool seen_below = false;
+	do {
+	  i--;
+	  /* -> until a consonant is found */
+	  if (is_consonant (info[i]))
+	  {
+	    /* -> that does not have a below-base or post-base form
+	     * (post-base forms have to follow below-base forms), */
+	    if (info[i].khmer_position() != POS_BELOW_C &&
+		(info[i].khmer_position() != POS_POST_C || seen_below))
+	    {
+	      base = i;
+	      break;
+	    }
+	    if (info[i].khmer_position() == POS_BELOW_C)
+	      seen_below = true;
+
+	    /* -> or that is not a pre-base-reordering Ra,
+	     *
+	     * IMPLEMENTATION NOTES:
+	     *
+	     * Our pre-base-reordering Ra's are marked POS_POST_C, so will be skipped
+	     * by the logic above already.
+	     */
+
+	    /* -> or arrive at the first consonant. The consonant stopped at will
+	     * be the base. */
+	    base = i;
+	  }
+	  else
+	  {
+	    /* A ZWJ after a Halant stops the base search, and requests an explicit
+	     * half form.
+	     * A ZWJ before a Halant, requests a subjoined form instead, and hence
+	     * search continues.  This is particularly important for Bengali
+	     * sequence Ra,H,Ya that should form Ya-Phalaa by subjoining Ya. */
+	    if (start < i &&
+		info[i].khmer_category() == OT_ZWJ &&
+		info[i - 1].khmer_category() == OT_H)
+	      break;
+	  }
+	} while (i > limit);
+      }
+      break;
+
+      case BASE_POS_LAST_SINHALA:
+      {
+        /* Sinhala base positioning is slightly different from main Indic, in that:
+	 * 1. Its ZWJ behavior is different,
+	 * 2. We don't need to look into the font for consonant positions.
+	 */
+
+	if (!has_reph)
+	  base = limit;
+
+	/* Find the last base consonant that is not blocked by ZWJ.  If there is
+	 * a ZWJ right before a base consonant, that would request a subjoined form. */
+	for (unsigned int i = limit; i < end; i++)
+	  if (is_consonant (info[i]))
+	  {
+	    if (limit < i && info[i - 1].khmer_category() == OT_ZWJ)
+	      break;
+	    else
+	      base = i;
+	  }
+
+	/* Mark all subsequent consonants as below. */
+	for (unsigned int i = base + 1; i < end; i++)
+	  if (is_consonant (info[i]))
+	    info[i].khmer_position() = POS_BELOW_C;
+      }
+      break;
+
+      case BASE_POS_FIRST:
+      {
+	/* The first consonant is always the base. */
+
+	assert (khmer_plan->config->reph_mode == REPH_MODE_VIS_REPHA);
+	assert (!has_reph);
+
+	base = start;
+
+	/* Mark all subsequent consonants as below. */
+	for (unsigned int i = base + 1; i < end; i++)
+	  if (is_consonant (info[i]))
+	    info[i].khmer_position() = POS_BELOW_C;
+      }
+      break;
+    }
+
+    /* -> If the syllable starts with Ra + Halant (in a script that has Reph)
+     *    and has more than one consonant, Ra is excluded from candidates for
+     *    base consonants.
+     *
+     *  Only do this for unforced Reph. (ie. not for Ra,H,ZWJ. */
+    if (has_reph && base == start && limit - base <= 2) {
+      /* Have no other consonant, so Reph is not formed and Ra becomes base. */
+      has_reph = false;
+    }
+  }
+
+
+  /* 2. Decompose and reorder Matras:
+   *
+   * Each matra and any syllable modifier sign in the syllable are moved to the
+   * appropriate position relative to the consonant(s) in the syllable. The
+   * shaping engine decomposes two- or three-part matras into their constituent
+   * parts before any repositioning. Matra characters are classified by which
+   * consonant in a conjunct they have affinity for and are reordered to the
+   * following positions:
+   *
+   *   o Before first half form in the syllable
+   *   o After subjoined consonants
+   *   o After post-form consonant
+   *   o After main consonant (for above marks)
+   *
+   * IMPLEMENTATION NOTES:
+   *
+   * The normalize() routine has already decomposed matras for us, so we don't
+   * need to worry about that.
+   */
+
+
+  /* 3.  Reorder marks to canonical order:
+   *
+   * Adjacent nukta and halant or nukta and vedic sign are always repositioned
+   * if necessary, so that the nukta is first.
+   *
+   * IMPLEMENTATION NOTES:
+   *
+   * We don't need to do this: the normalize() routine already did this for us.
+   */
+
+
+  /* Reorder characters */
+
+  for (unsigned int i = start; i < base; i++)
+    info[i].khmer_position() = MIN (POS_PRE_C, (khmer_position_t) info[i].khmer_position());
+
+  if (base < end)
+    info[base].khmer_position() = POS_BASE_C;
+
+  /* Mark final consonants.  A final consonant is one appearing after a matra,
+   * like in Khmer. */
+  for (unsigned int i = base + 1; i < end; i++)
+    if (info[i].khmer_category() == OT_M) {
+      for (unsigned int j = i + 1; j < end; j++)
+        if (is_consonant (info[j])) {
+	  info[j].khmer_position() = POS_FINAL_C;
+	  break;
+	}
+      break;
+    }
+
+  /* Handle beginning Ra */
+  if (has_reph)
+    info[start].khmer_position() = POS_RA_TO_BECOME_REPH;
+
+  /* For old-style Indic script tags, move the first post-base Halant after
+   * last consonant.
+   *
+   * Reports suggest that in some scripts Uniscribe does this only if there
+   * is *not* a Halant after last consonant already (eg. Kannada), while it
+   * does it unconditionally in other scripts (eg. Malayalam).  We don't
+   * currently know about other scripts, so we single out Malayalam for now.
+   *
+   * Kannada test case:
+   * U+0C9A,U+0CCD,U+0C9A,U+0CCD
+   * With some versions of Lohit Kannada.
+   * https://bugs.freedesktop.org/show_bug.cgi?id=59118
+   *
+   * Malayalam test case:
+   * U+0D38,U+0D4D,U+0D31,U+0D4D,U+0D31,U+0D4D
+   * With lohit-ttf-20121122/Lohit-Malayalam.ttf
+   */
+  if (khmer_plan->is_old_spec)
+  {
+    bool disallow_double_halants = buffer->props.script != HB_SCRIPT_MALAYALAM;
+    for (unsigned int i = base + 1; i < end; i++)
+      if (info[i].khmer_category() == OT_H)
+      {
+        unsigned int j;
+        for (j = end - 1; j > i; j--)
+	  if (is_consonant (info[j]) ||
+	      (disallow_double_halants && info[j].khmer_category() == OT_H))
+	    break;
+	if (info[j].khmer_category() != OT_H && j > i) {
+	  /* Move Halant to after last consonant. */
+	  hb_glyph_info_t t = info[i];
+	  memmove (&info[i], &info[i + 1], (j - i) * sizeof (info[0]));
+	  info[j] = t;
+	}
+        break;
+      }
+  }
+
+  /* Attach misc marks to previous char to move with them. */
+  {
+    khmer_position_t last_pos = POS_START;
+    for (unsigned int i = start; i < end; i++)
+    {
+      if ((FLAG_UNSAFE (info[i].khmer_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | HALANT_OR_COENG_FLAGS)))
+      {
+	info[i].khmer_position() = last_pos;
+	if (unlikely (info[i].khmer_category() == OT_H &&
+		      info[i].khmer_position() == POS_PRE_M))
+	{
+	  /*
+	   * Uniscribe doesn't move the Halant with Left Matra.
+	   * TEST: U+092B,U+093F,U+094DE
+	   * We follow.  This is important for the Sinhala
+	   * U+0DDA split matra since it decomposes to U+0DD9,U+0DCA
+	   * where U+0DD9 is a left matra and U+0DCA is the virama.
+	   * We don't want to move the virama with the left matra.
+	   * TEST: U+0D9A,U+0DDA
+	   */
+	  for (unsigned int j = i; j > start; j--)
+	    if (info[j - 1].khmer_position() != POS_PRE_M) {
+	      info[i].khmer_position() = info[j - 1].khmer_position();
+	      break;
+	    }
+	}
+      } else if (info[i].khmer_position() != POS_SMVD) {
+        last_pos = (khmer_position_t) info[i].khmer_position();
+      }
+    }
+  }
+  /* For post-base consonants let them own anything before them
+   * since the last consonant or matra. */
+  {
+    unsigned int last = base;
+    for (unsigned int i = base + 1; i < end; i++)
+      if (is_consonant (info[i]))
+      {
+	for (unsigned int j = last + 1; j < i; j++)
+	  if (info[j].khmer_position() < POS_SMVD)
+	    info[j].khmer_position() = info[i].khmer_position();
+	last = i;
+      } else if (info[i].khmer_category() == OT_M)
+        last = i;
+  }
+
+
+  {
+    /* Use syllable() for sort accounting temporarily. */
+    unsigned int syllable = info[start].syllable();
+    for (unsigned int i = start; i < end; i++)
+      info[i].syllable() = i - start;
+
+    /* Sit tight, rock 'n roll! */
+    hb_stable_sort (info + start, end - start, compare_khmer_order);
+    /* Find base again */
+    base = end;
+    for (unsigned int i = start; i < end; i++)
+      if (info[i].khmer_position() == POS_BASE_C)
+      {
+	base = i;
+	break;
+      }
+    /* Things are out-of-control for post base positions, they may shuffle
+     * around like crazy.  In old-spec mode, we move halants around, so in
+     * that case merge all clusters after base.  Otherwise, check the sort
+     * order and merge as needed.
+     * For pre-base stuff, we handle cluster issues in final reordering.
+     *
+     * We could use buffer->sort() for this, if there was no special
+     * reordering of pre-base stuff happening later...
+     */
+    if (khmer_plan->is_old_spec || end - base > 127)
+      buffer->merge_clusters (base, end);
+    else
+    {
+      /* Note!  syllable() is a one-byte field. */
+      for (unsigned int i = base; i < end; i++)
+        if (info[i].syllable() != 255)
+	{
+	  unsigned int max = i;
+	  unsigned int j = start + info[i].syllable();
+	  while (j != i)
+	  {
+	    max = MAX (max, j);
+	    unsigned int next = start + info[j].syllable();
+	    info[j].syllable() = 255; /* So we don't process j later again. */
+	    j = next;
+	  }
+	  if (i != max)
+	    buffer->merge_clusters (i, max + 1);
+	}
+    }
+
+    /* Put syllable back in. */
+    for (unsigned int i = start; i < end; i++)
+      info[i].syllable() = syllable;
+  }
+
+  /* Setup masks now */
+
+  {
+    hb_mask_t mask;
+
+    /* Reph */
+    for (unsigned int i = start; i < end && info[i].khmer_position() == POS_RA_TO_BECOME_REPH; i++)
+      info[i].mask |= khmer_plan->mask_array[RPHF];
+
+    /* Pre-base */
+    mask = khmer_plan->mask_array[HALF];
+    if (!khmer_plan->is_old_spec &&
+	khmer_plan->config->blwf_mode == BLWF_MODE_PRE_AND_POST)
+      mask |= khmer_plan->mask_array[BLWF];
+    for (unsigned int i = start; i < base; i++)
+      info[i].mask  |= mask;
+    /* Base */
+    mask = 0;
+    if (base < end)
+      info[base].mask |= mask;
+    /* Post-base */
+    mask = khmer_plan->mask_array[BLWF] | khmer_plan->mask_array[ABVF] | khmer_plan->mask_array[PSTF];
+    for (unsigned int i = base + 1; i < end; i++)
+      info[i].mask  |= mask;
+  }
+
+  if (khmer_plan->is_old_spec &&
+      buffer->props.script == HB_SCRIPT_DEVANAGARI)
+  {
+    /* Old-spec eye-lash Ra needs special handling.  From the
+     * spec:
+     *
+     * "The feature 'below-base form' is applied to consonants
+     * having below-base forms and following the base consonant.
+     * The exception is vattu, which may appear below half forms
+     * as well as below the base glyph. The feature 'below-base
+     * form' will be applied to all such occurrences of Ra as well."
+     *
+     * Test case: U+0924,U+094D,U+0930,U+094d,U+0915
+     * with Sanskrit 2003 font.
+     *
+     * However, note that Ra,Halant,ZWJ is the correct way to
+     * request eyelash form of Ra, so we wouldbn't inhibit it
+     * in that sequence.
+     *
+     * Test case: U+0924,U+094D,U+0930,U+094d,U+200D,U+0915
+     */
+    for (unsigned int i = start; i + 1 < base; i++)
+      if (info[i  ].khmer_category() == OT_Ra &&
+	  info[i+1].khmer_category() == OT_H  &&
+	  (i + 2 == base ||
+	   info[i+2].khmer_category() != OT_ZWJ))
+      {
+	info[i  ].mask |= khmer_plan->mask_array[BLWF];
+	info[i+1].mask |= khmer_plan->mask_array[BLWF];
+      }
+  }
+
+  unsigned int pref_len = 2;
+  if (khmer_plan->mask_array[PREF] && base + pref_len < end)
+  {
+    /* Find a Halant,Ra sequence and mark it for pre-base-reordering processing. */
+    for (unsigned int i = base + 1; i + pref_len - 1 < end; i++) {
+      hb_codepoint_t glyphs[2];
+      for (unsigned int j = 0; j < pref_len; j++)
+        glyphs[j] = info[i + j].codepoint;
+      if (khmer_plan->pref.would_substitute (glyphs, pref_len, face))
+      {
+	for (unsigned int j = 0; j < pref_len; j++)
+	  info[i++].mask |= khmer_plan->mask_array[PREF];
+
+	/* Mark the subsequent stuff with 'cfar'.  Used in Khmer.
+	 * Read the feature spec.
+	 * This allows distinguishing the following cases with MS Khmer fonts:
+	 * U+1784,U+17D2,U+179A,U+17D2,U+1782
+	 * U+1784,U+17D2,U+1782,U+17D2,U+179A
+	 */
+	if (khmer_plan->mask_array[CFAR])
+	  for (; i < end; i++)
+	    info[i].mask |= khmer_plan->mask_array[CFAR];
+
+	break;
+      }
+    }
+  }
+
+  /* Apply ZWJ/ZWNJ effects */
+  for (unsigned int i = start + 1; i < end; i++)
+    if (is_joiner (info[i])) {
+      bool non_joiner = info[i].khmer_category() == OT_ZWNJ;
+      unsigned int j = i;
+
+      do {
+	j--;
+
+	/* ZWJ/ZWNJ should disable CJCT.  They do that by simply
+	 * being there, since we don't skip them for the CJCT
+	 * feature (ie. F_MANUAL_ZWJ) */
+
+	/* A ZWNJ disables HALF. */
+	if (non_joiner)
+	  info[j].mask &= ~khmer_plan->mask_array[HALF];
+
+      } while (j > start && !is_consonant (info[j]));
+    }
+}
+
+static void
+initial_reordering_standalone_cluster (const hb_ot_shape_plan_t *plan,
+				       hb_face_t *face,
+				       hb_buffer_t *buffer,
+				       unsigned int start, unsigned int end)
+{
+  /* We treat placeholder/dotted-circle as if they are consonants, so we
+   * should just chain.  Only if not in compatibility mode that is... */
+
+  if (hb_options ().uniscribe_bug_compatible)
+  {
+    /* For dotted-circle, this is what Uniscribe does:
+     * If dotted-circle is the last glyph, it just does nothing.
+     * Ie. It doesn't form Reph. */
+    if (buffer->info[end - 1].khmer_category() == OT_DOTTEDCIRCLE)
+      return;
+  }
+
+  initial_reordering_consonant_syllable (plan, face, buffer, start, end);
+}
+
+static void
+initial_reordering_syllable (const hb_ot_shape_plan_t *plan,
+			     hb_face_t *face,
+			     hb_buffer_t *buffer,
+			     unsigned int start, unsigned int end)
+{
+  syllable_type_t syllable_type = (syllable_type_t) (buffer->info[start].syllable() & 0x0F);
+  switch (syllable_type)
+  {
+    case vowel_syllable: /* We made the vowels look like consonants.  So let's call the consonant logic! */
+    case consonant_syllable:
+     initial_reordering_consonant_syllable (plan, face, buffer, start, end);
+     break;
+
+    case broken_cluster: /* We already inserted dotted-circles, so just call the standalone_cluster. */
+    case standalone_cluster:
+     initial_reordering_standalone_cluster (plan, face, buffer, start, end);
+     break;
+
+    case symbol_cluster:
+    case non_khmer_cluster:
+      break;
+  }
+}
+
+static inline void
+insert_dotted_circles (const hb_ot_shape_plan_t *plan HB_UNUSED,
+		       hb_font_t *font,
+		       hb_buffer_t *buffer)
+{
+  /* Note: This loop is extra overhead, but should not be measurable. */
+  bool has_broken_syllables = false;
+  unsigned int count = buffer->len;
+  hb_glyph_info_t *info = buffer->info;
+  for (unsigned int i = 0; i < count; i++)
+    if ((info[i].syllable() & 0x0F) == broken_cluster)
+    {
+      has_broken_syllables = true;
+      break;
+    }
+  if (likely (!has_broken_syllables))
+    return;
+
+
+  hb_codepoint_t dottedcircle_glyph;
+  if (!font->get_nominal_glyph (0x25CCu, &dottedcircle_glyph))
+    return;
+
+  hb_glyph_info_t dottedcircle = {0};
+  dottedcircle.codepoint = 0x25CCu;
+  set_khmer_properties (dottedcircle);
+  dottedcircle.codepoint = dottedcircle_glyph;
+
+  buffer->clear_output ();
+
+  buffer->idx = 0;
+  unsigned int last_syllable = 0;
+  while (buffer->idx < buffer->len && !buffer->in_error)
+  {
+    unsigned int syllable = buffer->cur().syllable();
+    syllable_type_t syllable_type = (syllable_type_t) (syllable & 0x0F);
+    if (unlikely (last_syllable != syllable && syllable_type == broken_cluster))
+    {
+      last_syllable = syllable;
+
+      hb_glyph_info_t ginfo = dottedcircle;
+      ginfo.cluster = buffer->cur().cluster;
+      ginfo.mask = buffer->cur().mask;
+      ginfo.syllable() = buffer->cur().syllable();
+      /* TODO Set glyph_props? */
+
+      /* Insert dottedcircle after possible Repha. */
+      while (buffer->idx < buffer->len && !buffer->in_error &&
+	     last_syllable == buffer->cur().syllable() &&
+	     buffer->cur().khmer_category() == OT_Repha)
+        buffer->next_glyph ();
+
+      buffer->output_info (ginfo);
+    }
+    else
+      buffer->next_glyph ();
+  }
+
+  buffer->swap_buffers ();
+}
+
+static void
+initial_reordering (const hb_ot_shape_plan_t *plan,
+		    hb_font_t *font,
+		    hb_buffer_t *buffer)
+{
+  update_consonant_positions (plan, font, buffer);
+  insert_dotted_circles (plan, font, buffer);
+
+  foreach_syllable (buffer, start, end)
+    initial_reordering_syllable (plan, font->face, buffer, start, end);
+}
+
+static void
+final_reordering_syllable (const hb_ot_shape_plan_t *plan,
+			   hb_buffer_t *buffer,
+			   unsigned int start, unsigned int end)
+{
+  const khmer_shape_plan_t *khmer_plan = (const khmer_shape_plan_t *) plan->data;
+  hb_glyph_info_t *info = buffer->info;
+
+
+  /* This function relies heavily on halant glyphs.  Lots of ligation
+   * and possibly multiple substitutions happened prior to this
+   * phase, and that might have messed up our properties.  Recover
+   * from a particular case of that where we're fairly sure that a
+   * class of OT_H is desired but has been lost. */
+  if (khmer_plan->virama_glyph)
+  {
+    unsigned int virama_glyph = khmer_plan->virama_glyph;
+    for (unsigned int i = start; i < end; i++)
+      if (info[i].codepoint == virama_glyph &&
+	  _hb_glyph_info_ligated (&info[i]) &&
+	  _hb_glyph_info_multiplied (&info[i]))
+      {
+        /* This will make sure that this glyph passes is_halant_or_coeng() test. */
+	info[i].khmer_category() = OT_H;
+	_hb_glyph_info_clear_ligated_and_multiplied (&info[i]);
+      }
+  }
+
+
+  /* 4. Final reordering:
+   *
+   * After the localized forms and basic shaping forms GSUB features have been
+   * applied (see below), the shaping engine performs some final glyph
+   * reordering before applying all the remaining font features to the entire
+   * syllable.
+   */
+
+  bool try_pref = !!khmer_plan->mask_array[PREF];
+
+  /* Find base again */
+  unsigned int base;
+  for (base = start; base < end; base++)
+    if (info[base].khmer_position() >= POS_BASE_C)
+    {
+      if (try_pref && base + 1 < end)
+      {
+	for (unsigned int i = base + 1; i < end; i++)
+	  if ((info[i].mask & khmer_plan->mask_array[PREF]) != 0)
+	  {
+	    if (!(_hb_glyph_info_substituted (&info[i]) &&
+		  _hb_glyph_info_ligated_and_didnt_multiply (&info[i])))
+	    {
+	      /* Ok, this was a 'pref' candidate but didn't form any.
+	       * Base is around here... */
+	      base = i;
+	      while (base < end && is_halant_or_coeng (info[base]))
+		base++;
+	      info[base].khmer_position() = POS_BASE_C;
+
+	      try_pref = false;
+	    }
+	    break;
+	  }
+      }
+      /* For Malayalam, skip over unformed below- (but NOT post-) forms. */
+      if (buffer->props.script == HB_SCRIPT_MALAYALAM)
+      {
+	for (unsigned int i = base + 1; i < end; i++)
+	{
+	  while (i < end && is_joiner (info[i]))
+	    i++;
+	  if (i == end || !is_halant_or_coeng (info[i]))
+	    break;
+	  i++; /* Skip halant. */
+	  while (i < end && is_joiner (info[i]))
+	    i++;
+	  if (i < end && is_consonant (info[i]) && info[i].khmer_position() == POS_BELOW_C)
+	  {
+	    base = i;
+	    info[base].khmer_position() = POS_BASE_C;
+	  }
+	}
+      }
+
+      if (start < base && info[base].khmer_position() > POS_BASE_C)
+        base--;
+      break;
+    }
+  if (base == end && start < base &&
+      is_one_of (info[base - 1], FLAG (OT_ZWJ)))
+    base--;
+  if (base < end)
+    while (start < base &&
+	   is_one_of (info[base], (FLAG (OT_N) | HALANT_OR_COENG_FLAGS)))
+      base--;
+
+
+  /*   o Reorder matras:
+   *
+   *     If a pre-base matra character had been reordered before applying basic
+   *     features, the glyph can be moved closer to the main consonant based on
+   *     whether half-forms had been formed. Actual position for the matra is
+   *     defined as “after last standalone halant glyph, after initial matra
+   *     position and before the main consonant”. If ZWJ or ZWNJ follow this
+   *     halant, position is moved after it.
+   */
+
+  if (start + 1 < end && start < base) /* Otherwise there can't be any pre-base matra characters. */
+  {
+    /* If we lost track of base, alas, position before last thingy. */
+    unsigned int new_pos = base == end ? base - 2 : base - 1;
+
+    /* Malayalam / Tamil do not have "half" forms or explicit virama forms.
+     * The glyphs formed by 'half' are Chillus or ligated explicit viramas.
+     * We want to position matra after them.
+     */
+    if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
+    {
+      while (new_pos > start &&
+	     !(is_one_of (info[new_pos], (FLAG (OT_M) | HALANT_OR_COENG_FLAGS))))
+	new_pos--;
+
+      /* If we found no Halant we are done.
+       * Otherwise only proceed if the Halant does
+       * not belong to the Matra itself! */
+      if (is_halant_or_coeng (info[new_pos]) &&
+	  info[new_pos].khmer_position() != POS_PRE_M)
+      {
+	/* -> If ZWJ or ZWNJ follow this halant, position is moved after it. */
+	if (new_pos + 1 < end && is_joiner (info[new_pos + 1]))
+	  new_pos++;
+      }
+      else
+        new_pos = start; /* No move. */
+    }
+
+    if (start < new_pos && info[new_pos].khmer_position () != POS_PRE_M)
+    {
+      /* Now go see if there's actually any matras... */
+      for (unsigned int i = new_pos; i > start; i--)
+	if (info[i - 1].khmer_position () == POS_PRE_M)
+	{
+	  unsigned int old_pos = i - 1;
+	  if (old_pos < base && base <= new_pos) /* Shouldn't actually happen. */
+	    base--;
+
+	  hb_glyph_info_t tmp = info[old_pos];
+	  memmove (&info[old_pos], &info[old_pos + 1], (new_pos - old_pos) * sizeof (info[0]));
+	  info[new_pos] = tmp;
+
+	  /* Note: this merge_clusters() is intentionally *after* the reordering.
+	   * Indic matra reordering is special and tricky... */
+	  buffer->merge_clusters (new_pos, MIN (end, base + 1));
+
+	  new_pos--;
+	}
+    } else {
+      for (unsigned int i = start; i < base; i++)
+	if (info[i].khmer_position () == POS_PRE_M) {
+	  buffer->merge_clusters (i, MIN (end, base + 1));
+	  break;
+	}
+    }
+  }
+
+
+  /*   o Reorder reph:
+   *
+   *     Reph’s original position is always at the beginning of the syllable,
+   *     (i.e. it is not reordered at the character reordering stage). However,
+   *     it will be reordered according to the basic-forms shaping results.
+   *     Possible positions for reph, depending on the script, are; after main,
+   *     before post-base consonant forms, and after post-base consonant forms.
+   */
+
+  /* Two cases:
+   *
+   * - If repha is encoded as a sequence of characters (Ra,H or Ra,H,ZWJ), then
+   *   we should only move it if the sequence ligated to the repha form.
+   *
+   * - If repha is encoded separately and in the logical position, we should only
+   *   move it if it did NOT ligate.  If it ligated, it's probably the font trying
+   *   to make it work without the reordering.
+   */
+  if (start + 1 < end &&
+      info[start].khmer_position() == POS_RA_TO_BECOME_REPH &&
+      ((info[start].khmer_category() == OT_Repha) ^
+       _hb_glyph_info_ligated_and_didnt_multiply (&info[start])))
+  {
+    unsigned int new_reph_pos;
+    reph_position_t reph_pos = khmer_plan->config->reph_pos;
+
+    assert (reph_pos != REPH_POS_DONT_CARE);
+
+    /*       1. If reph should be positioned after post-base consonant forms,
+     *          proceed to step 5.
+     */
+    if (reph_pos == REPH_POS_AFTER_POST)
+    {
+      goto reph_step_5;
+    }
+
+    /*       2. If the reph repositioning class is not after post-base: target
+     *          position is after the first explicit halant glyph between the
+     *          first post-reph consonant and last main consonant. If ZWJ or ZWNJ
+     *          are following this halant, position is moved after it. If such
+     *          position is found, this is the target position. Otherwise,
+     *          proceed to the next step.
+     *
+     *          Note: in old-implementation fonts, where classifications were
+     *          fixed in shaping engine, there was no case where reph position
+     *          will be found on this step.
+     */
+    {
+      new_reph_pos = start + 1;
+      while (new_reph_pos < base && !is_halant_or_coeng (info[new_reph_pos]))
+	new_reph_pos++;
+
+      if (new_reph_pos < base && is_halant_or_coeng (info[new_reph_pos]))
+      {
+	/* ->If ZWJ or ZWNJ are following this halant, position is moved after it. */
+	if (new_reph_pos + 1 < base && is_joiner (info[new_reph_pos + 1]))
+	  new_reph_pos++;
+	goto reph_move;
+      }
+    }
+
+    /*       3. If reph should be repositioned after the main consonant: find the
+     *          first consonant not ligated with main, or find the first
+     *          consonant that is not a potential pre-base-reordering Ra.
+     */
+    if (reph_pos == REPH_POS_AFTER_MAIN)
+    {
+      new_reph_pos = base;
+      while (new_reph_pos + 1 < end && info[new_reph_pos + 1].khmer_position() <= POS_AFTER_MAIN)
+	new_reph_pos++;
+      if (new_reph_pos < end)
+        goto reph_move;
+    }
+
+    /*       4. If reph should be positioned before post-base consonant, find
+     *          first post-base classified consonant not ligated with main. If no
+     *          consonant is found, the target position should be before the
+     *          first matra, syllable modifier sign or vedic sign.
+     */
+    /* This is our take on what step 4 is trying to say (and failing, BADLY). */
+    if (reph_pos == REPH_POS_AFTER_SUB)
+    {
+      new_reph_pos = base;
+      while (new_reph_pos + 1 < end &&
+	     !( FLAG_UNSAFE (info[new_reph_pos + 1].khmer_position()) & (FLAG (POS_POST_C) | FLAG (POS_AFTER_POST) | FLAG (POS_SMVD))))
+	new_reph_pos++;
+      if (new_reph_pos < end)
+        goto reph_move;
+    }
+
+    /*       5. If no consonant is found in steps 3 or 4, move reph to a position
+     *          immediately before the first post-base matra, syllable modifier
+     *          sign or vedic sign that has a reordering class after the intended
+     *          reph position. For example, if the reordering position for reph
+     *          is post-main, it will skip above-base matras that also have a
+     *          post-main position.
+     */
+    reph_step_5:
+    {
+      /* Copied from step 2. */
+      new_reph_pos = start + 1;
+      while (new_reph_pos < base && !is_halant_or_coeng (info[new_reph_pos]))
+	new_reph_pos++;
+
+      if (new_reph_pos < base && is_halant_or_coeng (info[new_reph_pos]))
+      {
+	/* ->If ZWJ or ZWNJ are following this halant, position is moved after it. */
+	if (new_reph_pos + 1 < base && is_joiner (info[new_reph_pos + 1]))
+	  new_reph_pos++;
+	goto reph_move;
+      }
+    }
+
+    /*       6. Otherwise, reorder reph to the end of the syllable.
+     */
+    {
+      new_reph_pos = end - 1;
+      while (new_reph_pos > start && info[new_reph_pos].khmer_position() == POS_SMVD)
+	new_reph_pos--;
+
+      /*
+       * If the Reph is to be ending up after a Matra,Halant sequence,
+       * position it before that Halant so it can interact with the Matra.
+       * However, if it's a plain Consonant,Halant we shouldn't do that.
+       * Uniscribe doesn't do this.
+       * TEST: U+0930,U+094D,U+0915,U+094B,U+094D
+       */
+      if (!hb_options ().uniscribe_bug_compatible &&
+	  unlikely (is_halant_or_coeng (info[new_reph_pos]))) {
+	for (unsigned int i = base + 1; i < new_reph_pos; i++)
+	  if (info[i].khmer_category() == OT_M) {
+	    /* Ok, got it. */
+	    new_reph_pos--;
+	  }
+      }
+      goto reph_move;
+    }
+
+    reph_move:
+    {
+      /* Move */
+      buffer->merge_clusters (start, new_reph_pos + 1);
+      hb_glyph_info_t reph = info[start];
+      memmove (&info[start], &info[start + 1], (new_reph_pos - start) * sizeof (info[0]));
+      info[new_reph_pos] = reph;
+
+      if (start < base && base <= new_reph_pos)
+	base--;
+    }
+  }
+
+
+  /*   o Reorder pre-base-reordering consonants:
+   *
+   *     If a pre-base-reordering consonant is found, reorder it according to
+   *     the following rules:
+   */
+
+  if (try_pref && base + 1 < end) /* Otherwise there can't be any pre-base-reordering Ra. */
+  {
+    for (unsigned int i = base + 1; i < end; i++)
+      if ((info[i].mask & khmer_plan->mask_array[PREF]) != 0)
+      {
+	/*       1. Only reorder a glyph produced by substitution during application
+	 *          of the <pref> feature. (Note that a font may shape a Ra consonant with
+	 *          the feature generally but block it in certain contexts.)
+	 */
+        /* Note: We just check that something got substituted.  We don't check that
+	 * the <pref> feature actually did it...
+	 *
+	 * Reorder pref only if it ligated. */
+	if (_hb_glyph_info_ligated_and_didnt_multiply (&info[i]))
+	{
+	  /*
+	   *       2. Try to find a target position the same way as for pre-base matra.
+	   *          If it is found, reorder pre-base consonant glyph.
+	   *
+	   *       3. If position is not found, reorder immediately before main
+	   *          consonant.
+	   */
+
+	  unsigned int new_pos = base;
+	  /* Malayalam / Tamil do not have "half" forms or explicit virama forms.
+	   * The glyphs formed by 'half' are Chillus or ligated explicit viramas.
+	   * We want to position matra after them.
+	   */
+	  if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
+	  {
+	    while (new_pos > start &&
+		   !(is_one_of (info[new_pos - 1], FLAG(OT_M) | HALANT_OR_COENG_FLAGS)))
+	      new_pos--;
+
+	    /* In Khmer coeng model, a H,Ra can go *after* matras.  If it goes after a
+	     * split matra, it should be reordered to *before* the left part of such matra. */
+	    if (new_pos > start && info[new_pos - 1].khmer_category() == OT_M)
+	    {
+	      unsigned int old_pos = i;
+	      for (unsigned int j = base + 1; j < old_pos; j++)
+		if (info[j].khmer_category() == OT_M)
+		{
+		  new_pos--;
+		  break;
+		}
+	    }
+	  }
+
+	  if (new_pos > start && is_halant_or_coeng (info[new_pos - 1]))
+	  {
+	    /* -> If ZWJ or ZWNJ follow this halant, position is moved after it. */
+	    if (new_pos < end && is_joiner (info[new_pos]))
+	      new_pos++;
+	  }
+
+	  {
+	    unsigned int old_pos = i;
+
+	    buffer->merge_clusters (new_pos, old_pos + 1);
+	    hb_glyph_info_t tmp = info[old_pos];
+	    memmove (&info[new_pos + 1], &info[new_pos], (old_pos - new_pos) * sizeof (info[0]));
+	    info[new_pos] = tmp;
+
+	    if (new_pos <= base && base < old_pos)
+	      base++;
+	  }
+	}
+
+        break;
+      }
+  }
+
+
+  /* Apply 'init' to the Left Matra if it's a word start. */
+  if (info[start].khmer_position () == POS_PRE_M)
+  {
+    if (!start ||
+	!(FLAG_UNSAFE (_hb_glyph_info_get_general_category (&info[start - 1])) &
+	 FLAG_RANGE (HB_UNICODE_GENERAL_CATEGORY_FORMAT, HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))
+      info[start].mask |= khmer_plan->mask_array[INIT];
+    else
+      buffer->unsafe_to_break (start - 1, start + 1);
+  }
+
+
+  /*
+   * Finish off the clusters and go home!
+   */
+  if (hb_options ().uniscribe_bug_compatible)
+  {
+    switch ((hb_tag_t) plan->props.script)
+    {
+      case HB_SCRIPT_TAMIL:
+      case HB_SCRIPT_SINHALA:
+        break;
+
+      default:
+	/* Uniscribe merges the entire syllable into a single cluster... Except for Tamil & Sinhala.
+	 * This means, half forms are submerged into the main consonant's cluster.
+	 * This is unnecessary, and makes cursor positioning harder, but that's what
+	 * Uniscribe does. */
+	buffer->merge_clusters (start, end);
+	break;
+    }
+  }
+}
+
+
+static void
+final_reordering (const hb_ot_shape_plan_t *plan,
+		  hb_font_t *font HB_UNUSED,
+		  hb_buffer_t *buffer)
+{
+  unsigned int count = buffer->len;
+  if (unlikely (!count)) return;
+
+  foreach_syllable (buffer, start, end)
+    final_reordering_syllable (plan, buffer, start, end);
+
+  HB_BUFFER_DEALLOCATE_VAR (buffer, khmer_category);
+  HB_BUFFER_DEALLOCATE_VAR (buffer, khmer_position);
+}
+
+
+static void
+clear_syllables (const hb_ot_shape_plan_t *plan HB_UNUSED,
+		 hb_font_t *font HB_UNUSED,
+		 hb_buffer_t *buffer)
+{
+  hb_glyph_info_t *info = buffer->info;
+  unsigned int count = buffer->len;
+  for (unsigned int i = 0; i < count; i++)
+    info[i].syllable() = 0;
+}
+
+
+static bool
+decompose_khmer (const hb_ot_shape_normalize_context_t *c,
+		 hb_codepoint_t  ab,
+		 hb_codepoint_t *a,
+		 hb_codepoint_t *b)
+{
+  switch (ab)
+  {
+    /* Don't decompose these. */
+    case 0x0931u  : return false; /* DEVANAGARI LETTER RRA */
+    case 0x0B94u  : return false; /* TAMIL LETTER AU */
+
+
+    /*
+     * Decompose split matras that don't have Unicode decompositions.
+     */
+
+    /* Khmer */
+    case 0x17BEu  : *a = 0x17C1u; *b= 0x17BEu; return true;
+    case 0x17BFu  : *a = 0x17C1u; *b= 0x17BFu; return true;
+    case 0x17C0u  : *a = 0x17C1u; *b= 0x17C0u; return true;
+    case 0x17C4u  : *a = 0x17C1u; *b= 0x17C4u; return true;
+    case 0x17C5u  : *a = 0x17C1u; *b= 0x17C5u; return true;
+
+#if 0
+    /* Gujarati */
+    /* This one has no decomposition in Unicode, but needs no decomposition either. */
+    /* case 0x0AC9u  : return false; */
+
+    /* Oriya */
+    case 0x0B57u  : *a = no decomp, -> RIGHT; return true;
+#endif
+  }
+
+  if ((ab == 0x0DDAu || hb_in_range<hb_codepoint_t> (ab, 0x0DDCu, 0x0DDEu)))
+  {
+    /*
+     * Sinhala split matras...  Let the fun begin.
+     *
+     * These four characters have Unicode decompositions.  However, Uniscribe
+     * decomposes them "Khmer-style", that is, it uses the character itself to
+     * get the second half.  The first half of all four decompositions is always
+     * U+0DD9.
+     *
+     * Now, there are buggy fonts, namely, the widely used lklug.ttf, that are
+     * broken with Uniscribe.  But we need to support them.  As such, we only
+     * do the Uniscribe-style decomposition if the character is transformed into
+     * its "sec.half" form by the 'pstf' feature.  Otherwise, we fall back to
+     * Unicode decomposition.
+     *
+     * Note that we can't unconditionally use Unicode decomposition.  That would
+     * break some other fonts, that are designed to work with Uniscribe, and
+     * don't have positioning features for the Unicode-style decomposition.
+     *
+     * Argh...
+     *
+     * The Uniscribe behavior is now documented in the newly published Sinhala
+     * spec in 2012:
+     *
+     *   http://www.microsoft.com/typography/OpenTypeDev/sinhala/intro.htm#shaping
+     */
+
+    const khmer_shape_plan_t *khmer_plan = (const khmer_shape_plan_t *) c->plan->data;
+
+    hb_codepoint_t glyph;
+
+    if (hb_options ().uniscribe_bug_compatible ||
+	(c->font->get_nominal_glyph (ab, &glyph) &&
+	 khmer_plan->pstf.would_substitute (&glyph, 1, c->font->face)))
+    {
+      /* Ok, safe to use Uniscribe-style decomposition. */
+      *a = 0x0DD9u;
+      *b = ab;
+      return true;
+    }
+  }
+
+  return (bool) c->unicode->decompose (ab, a, b);
+}
+
+static bool
+compose_khmer (const hb_ot_shape_normalize_context_t *c,
+	       hb_codepoint_t  a,
+	       hb_codepoint_t  b,
+	       hb_codepoint_t *ab)
+{
+  /* Avoid recomposing split matras. */
+  if (HB_UNICODE_GENERAL_CATEGORY_IS_MARK (c->unicode->general_category (a)))
+    return false;
+
+  /* Composition-exclusion exceptions that we want to recompose. */
+  if (a == 0x09AFu && b == 0x09BCu) { *ab = 0x09DFu; return true; }
+
+  return (bool) c->unicode->compose (a, b, ab);
+}
+
+
+const hb_ot_complex_shaper_t _hb_ot_complex_shaper_khmer =
+{
+  collect_features_khmer,
+  override_features_khmer,
+  data_create_khmer,
+  data_destroy_khmer,
+  nullptr, /* preprocess_text */
+  nullptr, /* postprocess_glyphs */
+  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
+  decompose_khmer,
+  compose_khmer,
+  setup_masks_khmer,
+  nullptr, /* disable_otl */
+  nullptr, /* reorder_marks */
+  HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
+  false, /* fallback_position */
+};
diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index fb2f61157..08b6fe969 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -54,9 +54,10 @@ enum hb_ot_shape_zero_width_marks_type_t {
   HB_COMPLEX_SHAPER_IMPLEMENT (arabic) \
   HB_COMPLEX_SHAPER_IMPLEMENT (hangul) \
   HB_COMPLEX_SHAPER_IMPLEMENT (hebrew) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (myanmar_old) \
   HB_COMPLEX_SHAPER_IMPLEMENT (indic) \
+  HB_COMPLEX_SHAPER_IMPLEMENT (khmer) \
   HB_COMPLEX_SHAPER_IMPLEMENT (myanmar) \
+  HB_COMPLEX_SHAPER_IMPLEMENT (myanmar_old) \
   HB_COMPLEX_SHAPER_IMPLEMENT (thai) \
   HB_COMPLEX_SHAPER_IMPLEMENT (tibetan) \
   HB_COMPLEX_SHAPER_IMPLEMENT (use) \
@@ -285,7 +286,7 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
 					      planner->map.language_index[0],
 					      HB_TAG ('p','r','e','f'),
 					      nullptr))
-	return &_hb_ot_complex_shaper_indic;
+	return &_hb_ot_complex_shaper_khmer;
       else
 	return &_hb_ot_complex_shaper_default;
 

From 075895364435ee88936696bcb5457283c4bb1a29 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 15:08:28 +0000
Subject: [PATCH 0733/1326] [indic] Remove main Khmer stuff

---
 src/hb-ot-shape-complex-indic.cc | 73 +-------------------------------
 1 file changed, 2 insertions(+), 71 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 97d6d3828..a970f4b7f 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -49,7 +49,6 @@
 #define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
 #define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
 #define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
-#define IS_KHMR(u) (IN_HALF_BLOCK (u, 0x1780u))
 
 
 #define MATRA_POS_LEFT(u)	POS_PRE_M
@@ -64,7 +63,6 @@
 				  IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
 				  IS_MLYM(u) ? POS_AFTER_POST : \
 				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  IS_KHMR(u) ? POS_AFTER_POST : \
 				  /*default*/  POS_AFTER_SUB    \
 				)
 #define MATRA_POS_TOP(u)	( /* BENG and MLYM don't have top matras. */ \
@@ -76,7 +74,6 @@
 				  IS_TELU(u) ? POS_BEFORE_SUB : \
 				  IS_KNDA(u) ? POS_BEFORE_SUB : \
 				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  IS_KHMR(u) ? POS_AFTER_POST : \
 				  /*default*/  POS_AFTER_SUB    \
 				)
 #define MATRA_POS_BOTTOM(u)	( \
@@ -90,7 +87,6 @@
 				  IS_KNDA(u) ? POS_BEFORE_SUB : \
 				  IS_MLYM(u) ? POS_AFTER_POST : \
 				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  IS_KHMR(u) ? POS_AFTER_POST : \
 				  /*default*/  POS_AFTER_SUB    \
 				)
 
@@ -124,8 +120,6 @@ static const hb_codepoint_t ra_chars[] = {
   0x0D30u, /* Malayalam */	/* No Reph, Logical Repha */
 
   0x0DBBu, /* Sinhala */		/* Reph formed only with ZWJ */
-
-  0x179Au, /* Khmer */		/* No Reph, Visual Repha */
 };
 
 static inline bool
@@ -200,14 +194,6 @@ set_indic_properties (hb_glyph_info_t &info)
     cat = OT_Symbol;
     static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
   }
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
-		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
-  {
-    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.
-     * https://github.com/roozbehp/unicode-data/issues/5 */
-    cat = OT_M;
-    pos = POS_ABOVE_C;
-  }
   else if (unlikely (u == 0x0A51u))
   {
     /* https://github.com/harfbuzz/harfbuzz/issues/524 */
@@ -224,7 +210,6 @@ set_indic_properties (hb_glyph_info_t &info)
 
   else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
   else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
-  else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
 				    cat = OT_PLACEHOLDER;
   else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
@@ -271,7 +256,6 @@ set_indic_properties (hb_glyph_info_t &info)
  */
 
 enum base_position_t {
-  BASE_POS_FIRST,
   BASE_POS_LAST_SINHALA,
   BASE_POS_LAST
 };
@@ -280,13 +264,11 @@ enum reph_position_t {
   REPH_POS_BEFORE_SUB  = POS_BEFORE_SUB,
   REPH_POS_AFTER_SUB   = POS_AFTER_SUB,
   REPH_POS_BEFORE_POST = POS_BEFORE_POST,
-  REPH_POS_AFTER_POST  = POS_AFTER_POST,
-  REPH_POS_DONT_CARE   = POS_RA_TO_BECOME_REPH
+  REPH_POS_AFTER_POST  = POS_AFTER_POST
 };
 enum reph_mode_t {
   REPH_MODE_IMPLICIT,  /* Reph formed out of initial Ra,H sequence. */
   REPH_MODE_EXPLICIT,  /* Reph formed out of initial Ra,H,ZWJ sequence. */
-  REPH_MODE_VIS_REPHA, /* Encoded Repha character, no reordering needed. */
   REPH_MODE_LOG_REPHA  /* Encoded Repha character, needs reordering. */
 };
 enum blwf_mode_t {
@@ -319,7 +301,6 @@ static const indic_config_t indic_configs[] =
   {HB_SCRIPT_MALAYALAM,	true, 0x0D4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_LOG_REPHA,BLWF_MODE_PRE_AND_POST},
   {HB_SCRIPT_SINHALA,	false,0x0DCAu,BASE_POS_LAST_SINHALA,
 						     REPH_POS_AFTER_MAIN, REPH_MODE_EXPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_KHMER,	false,0x17D2u,BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
 };
 
 
@@ -351,7 +332,6 @@ indic_features[] =
   {HB_TAG('p','s','t','f'), F_NONE},
   {HB_TAG('v','a','t','u'), F_GLOBAL},
   {HB_TAG('c','j','c','t'), F_GLOBAL},
-  {HB_TAG('c','f','a','r'), F_NONE},
   /*
    * Other features.
    * These features are applied all at once, after final_reordering.
@@ -385,7 +365,6 @@ enum {
   PSTF,
   _VATU,
   _CJCT,
-  CFAR,
 
   INIT,
   _PRES,
@@ -452,17 +431,6 @@ collect_features_indic (hb_ot_shape_planner_t *plan)
 static void
 override_features_indic (hb_ot_shape_planner_t *plan)
 {
-  /* Uniscribe does not apply 'kern' in Khmer. */
-  if (hb_options ().uniscribe_bug_compatible)
-  {
-    switch ((hb_tag_t) plan->props.script)
-    {
-      case HB_SCRIPT_KHMER:
-	plan->map.add_feature (HB_TAG('k','e','r','n'), 0, F_GLOBAL);
-	break;
-    }
-  }
-
   plan->map.add_feature (HB_TAG('l','i','g','a'), 0, F_GLOBAL);
 }
 
@@ -730,8 +698,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
      *    and has more than one consonant, Ra is excluded from candidates for
      *    base consonants. */
     unsigned int limit = start;
-    if (indic_plan->config->reph_pos != REPH_POS_DONT_CARE &&
-	indic_plan->mask_array[RPHF] &&
+    if (indic_plan->mask_array[RPHF] &&
 	start + 3 <= end &&
 	(
 	 (indic_plan->config->reph_mode == REPH_MODE_IMPLICIT && !is_joiner (info[start + 2])) ||
@@ -840,22 +807,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	    info[i].indic_position() = POS_BELOW_C;
       }
       break;
-
-      case BASE_POS_FIRST:
-      {
-	/* The first consonant is always the base. */
-
-	assert (indic_plan->config->reph_mode == REPH_MODE_VIS_REPHA);
-	assert (!has_reph);
-
-	base = start;
-
-	/* Mark all subsequent consonants as below. */
-	for (unsigned int i = base + 1; i < end; i++)
-	  if (is_consonant (info[i]))
-	    info[i].indic_position() = POS_BELOW_C;
-      }
-      break;
     }
 
     /* -> If the syllable starts with Ra + Halant (in a script that has Reph)
@@ -1133,17 +1084,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
       {
 	for (unsigned int j = 0; j < pref_len; j++)
 	  info[i++].mask |= indic_plan->mask_array[PREF];
-
-	/* Mark the subsequent stuff with 'cfar'.  Used in Khmer.
-	 * Read the feature spec.
-	 * This allows distinguishing the following cases with MS Khmer fonts:
-	 * U+1784,U+17D2,U+179A,U+17D2,U+1782
-	 * U+1784,U+17D2,U+1782,U+17D2,U+179A
-	 */
-	if (indic_plan->mask_array[CFAR])
-	  for (; i < end; i++)
-	    info[i].mask |= indic_plan->mask_array[CFAR];
-
 	break;
       }
     }
@@ -1481,8 +1421,6 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     unsigned int new_reph_pos;
     reph_position_t reph_pos = indic_plan->config->reph_pos;
 
-    assert (reph_pos != REPH_POS_DONT_CARE);
-
     /*       1. If reph should be positioned after post-base consonant forms,
      *          proceed to step 5.
      */
@@ -1766,13 +1704,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
      * Decompose split matras that don't have Unicode decompositions.
      */
 
-    /* Khmer */
-    case 0x17BEu  : *a = 0x17C1u; *b= 0x17BEu; return true;
-    case 0x17BFu  : *a = 0x17C1u; *b= 0x17BFu; return true;
-    case 0x17C0u  : *a = 0x17C1u; *b= 0x17C0u; return true;
-    case 0x17C4u  : *a = 0x17C1u; *b= 0x17C4u; return true;
-    case 0x17C5u  : *a = 0x17C1u; *b= 0x17C5u; return true;
-
 #if 0
     /* Gujarati */
     /* This one has no decomposition in Unicode, but needs no decomposition either. */

From 9761f9d78214323b9ad58dd0b8ba41851c9e2d54 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 15:33:11 +0000
Subject: [PATCH 0734/1326] [indic] Remove more Khmer-specific stuff from Indic
 shaper

No numbers changed.
---
 src/hb-ot-shape-complex-indic-machine.rl |  8 ++--
 src/hb-ot-shape-complex-indic.cc         | 57 +++++++++---------------
 2 files changed, 25 insertions(+), 40 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index 58d35c001..e6643a1a5 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -52,7 +52,6 @@ A    = 10;
 PLACEHOLDER = 11;
 DOTTEDCIRCLE = 12;
 RS    = 13;
-Coeng = 14;
 Repha = 15;
 Ra    = 16;
 CM    = 17;
@@ -62,7 +61,6 @@ CS    = 19;
 c = (C | Ra);			# is_consonant
 n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
 z = ZWJ|ZWNJ;			# is_joiner
-h = H | Coeng;			# is_halant_or_coeng
 reph = (Ra H | Repha);		# possible reph
 
 cn = c.ZWJ?.n?;
@@ -71,10 +69,10 @@ symbol = Symbol.N?;
 matra_group = z{0,3}.M.N?.(H | forced_rakar)?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
 place_holder = PLACEHOLDER | DOTTEDCIRCLE;
-halant_group = (z?.h.(ZWJ.N?)?);
-final_halant_group = halant_group | h.ZWNJ;
+halant_group = (z?.H.(ZWJ.N?)?);
+final_halant_group = halant_group | H.ZWNJ;
 medial_group = CM?;
-halant_or_matra_group = (final_halant_group | (h.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
+halant_or_matra_group = (final_halant_group | (H.ZWJ)? matra_group{0,4});
 
 
 consonant_syllable =	(Repha|CS)? (cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index a970f4b7f..6b3d079b6 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -152,9 +152,9 @@ is_consonant (const hb_glyph_info_t &info)
 }
 
 static inline bool
-is_halant_or_coeng (const hb_glyph_info_t &info)
+is_halant (const hb_glyph_info_t &info)
 {
-  return is_one_of (info, HALANT_OR_COENG_FLAGS);
+  return is_one_of (info, FLAG (OT_H));
 }
 
 static inline void
@@ -861,15 +861,15 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   if (base < end)
     info[base].indic_position() = POS_BASE_C;
 
-  /* Mark final consonants.  A final consonant is one appearing after a matra,
-   * like in Khmer. */
+  /* Mark final consonants.  A final consonant is one appearing after a matra.
+   * Happens in Sinhala. */
   for (unsigned int i = base + 1; i < end; i++)
     if (info[i].indic_category() == OT_M) {
       for (unsigned int j = i + 1; j < end; j++)
-        if (is_consonant (info[j])) {
-	  info[j].indic_position() = POS_FINAL_C;
-	  break;
-	}
+	if (is_consonant (info[j])) {
+	 info[j].indic_position() = POS_FINAL_C;
+	 break;
+       }
       break;
     }
 
@@ -920,7 +920,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
     indic_position_t last_pos = POS_START;
     for (unsigned int i = start; i < end; i++)
     {
-      if ((FLAG_UNSAFE (info[i].indic_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | HALANT_OR_COENG_FLAGS)))
+      if ((FLAG_UNSAFE (info[i].indic_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | FLAG (OT_H))))
       {
 	info[i].indic_position() = last_pos;
 	if (unlikely (info[i].indic_category() == OT_H &&
@@ -1251,7 +1251,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	  _hb_glyph_info_ligated (&info[i]) &&
 	  _hb_glyph_info_multiplied (&info[i]))
       {
-        /* This will make sure that this glyph passes is_halant_or_coeng() test. */
+        /* This will make sure that this glyph passes is_halant() test. */
 	info[i].indic_category() = OT_H;
 	_hb_glyph_info_clear_ligated_and_multiplied (&info[i]);
       }
@@ -1284,7 +1284,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	      /* Ok, this was a 'pref' candidate but didn't form any.
 	       * Base is around here... */
 	      base = i;
-	      while (base < end && is_halant_or_coeng (info[base]))
+	      while (base < end && is_halant (info[base]))
 		base++;
 	      info[base].indic_position() = POS_BASE_C;
 
@@ -1300,7 +1300,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	{
 	  while (i < end && is_joiner (info[i]))
 	    i++;
-	  if (i == end || !is_halant_or_coeng (info[i]))
+	  if (i == end || !is_halant (info[i]))
 	    break;
 	  i++; /* Skip halant. */
 	  while (i < end && is_joiner (info[i]))
@@ -1322,7 +1322,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     base--;
   if (base < end)
     while (start < base &&
-	   is_one_of (info[base], (FLAG (OT_N) | HALANT_OR_COENG_FLAGS)))
+	   is_one_of (info[base], (FLAG (OT_N) | FLAG (OT_H))))
       base--;
 
 
@@ -1348,13 +1348,13 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
     {
       while (new_pos > start &&
-	     !(is_one_of (info[new_pos], (FLAG (OT_M) | HALANT_OR_COENG_FLAGS))))
+	     !(is_one_of (info[new_pos], (FLAG (OT_M) | FLAG (OT_H)))))
 	new_pos--;
 
       /* If we found no Halant we are done.
        * Otherwise only proceed if the Halant does
        * not belong to the Matra itself! */
-      if (is_halant_or_coeng (info[new_pos]) &&
+      if (is_halant (info[new_pos]) &&
 	  info[new_pos].indic_position() != POS_PRE_M)
       {
 	/* -> If ZWJ or ZWNJ follow this halant, position is moved after it. */
@@ -1442,10 +1442,10 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
      */
     {
       new_reph_pos = start + 1;
-      while (new_reph_pos < base && !is_halant_or_coeng (info[new_reph_pos]))
+      while (new_reph_pos < base && !is_halant (info[new_reph_pos]))
 	new_reph_pos++;
 
-      if (new_reph_pos < base && is_halant_or_coeng (info[new_reph_pos]))
+      if (new_reph_pos < base && is_halant (info[new_reph_pos]))
       {
 	/* ->If ZWJ or ZWNJ are following this halant, position is moved after it. */
 	if (new_reph_pos + 1 < base && is_joiner (info[new_reph_pos + 1]))
@@ -1494,10 +1494,10 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     {
       /* Copied from step 2. */
       new_reph_pos = start + 1;
-      while (new_reph_pos < base && !is_halant_or_coeng (info[new_reph_pos]))
+      while (new_reph_pos < base && !is_halant (info[new_reph_pos]))
 	new_reph_pos++;
 
-      if (new_reph_pos < base && is_halant_or_coeng (info[new_reph_pos]))
+      if (new_reph_pos < base && is_halant (info[new_reph_pos]))
       {
 	/* ->If ZWJ or ZWNJ are following this halant, position is moved after it. */
 	if (new_reph_pos + 1 < base && is_joiner (info[new_reph_pos + 1]))
@@ -1521,7 +1521,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
        * TEST: U+0930,U+094D,U+0915,U+094B,U+094D
        */
       if (!hb_options ().uniscribe_bug_compatible &&
-	  unlikely (is_halant_or_coeng (info[new_reph_pos]))) {
+	  unlikely (is_halant (info[new_reph_pos]))) {
 	for (unsigned int i = base + 1; i < new_reph_pos; i++)
 	  if (info[i].indic_category() == OT_M) {
 	    /* Ok, got it. */
@@ -1582,24 +1582,11 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	  if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
 	  {
 	    while (new_pos > start &&
-		   !(is_one_of (info[new_pos - 1], FLAG(OT_M) | HALANT_OR_COENG_FLAGS)))
+		   !(is_one_of (info[new_pos - 1], FLAG(OT_M) | FLAG (OT_H))))
 	      new_pos--;
-
-	    /* In Khmer coeng model, a H,Ra can go *after* matras.  If it goes after a
-	     * split matra, it should be reordered to *before* the left part of such matra. */
-	    if (new_pos > start && info[new_pos - 1].indic_category() == OT_M)
-	    {
-	      unsigned int old_pos = i;
-	      for (unsigned int j = base + 1; j < old_pos; j++)
-		if (info[j].indic_category() == OT_M)
-		{
-		  new_pos--;
-		  break;
-		}
-	    }
 	  }
 
-	  if (new_pos > start && is_halant_or_coeng (info[new_pos - 1]))
+	  if (new_pos > start && is_halant (info[new_pos - 1]))
 	  {
 	    /* -> If ZWJ or ZWNJ follow this halant, position is moved after it. */
 	    if (new_pos < end && is_joiner (info[new_pos]))

From 961ebf85f1e7d417e056c3927ee73857f6f4cde6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 15:36:53 +0000
Subject: [PATCH 0735/1326] [khmer] Remove Halant from Khmer shaper

---
 src/hb-ot-shape-complex-indic-private.hh |  1 -
 src/hb-ot-shape-complex-khmer-machine.rl |  7 +++---
 src/hb-ot-shape-complex-khmer.cc         | 32 ++++++++++++------------
 3 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index a1e0d5266..ee40eef0f 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -73,7 +73,6 @@ enum indic_category_t {
  * consonant syllable logic from the vowel syllable function and get it all right! */
 #define CONSONANT_FLAGS (FLAG (OT_C) | FLAG (OT_CS) | FLAG (OT_Ra) | MEDIAL_FLAGS | FLAG (OT_V) | FLAG (OT_PLACEHOLDER) | FLAG (OT_DOTTEDCIRCLE))
 #define JOINER_FLAGS (FLAG (OT_ZWJ) | FLAG (OT_ZWNJ))
-#define HALANT_OR_COENG_FLAGS (FLAG (OT_H) | FLAG (OT_Coeng))
 
 
 /* Visual positions in a syllable from left to right. */
diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index d30c6b75c..c187e9347 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -62,7 +62,6 @@ CS    = 19;
 c = (C | Ra);			# is_consonant
 n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
 z = ZWJ|ZWNJ;			# is_joiner
-h = H | Coeng;			# is_halant_or_coeng
 reph = (Ra H | Repha);		# possible reph
 
 cn = c.ZWJ?.n?;
@@ -71,10 +70,10 @@ symbol = Symbol.N?;
 matra_group = z{0,3}.M.N?.(H | forced_rakar)?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
 place_holder = PLACEHOLDER | DOTTEDCIRCLE;
-halant_group = (z?.h.(ZWJ.N?)?);
-final_halant_group = halant_group | h.ZWNJ;
+halant_group = (z?.Coeng.(ZWJ.N?)?);
+final_halant_group = halant_group | Coeng.ZWNJ;
 medial_group = CM?;
-halant_or_matra_group = (final_halant_group | (h.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
+halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
 
 
 consonant_syllable =	(Repha|CS)? (cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 839952add..a83024756 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -161,9 +161,9 @@ is_consonant (const hb_glyph_info_t &info)
 }
 
 static inline bool
-is_halant_or_coeng (const hb_glyph_info_t &info)
+is_coeng (const hb_glyph_info_t &info)
 {
-  return is_one_of (info, HALANT_OR_COENG_FLAGS);
+  return is_one_of (info, FLAG (OT_Coeng));
 }
 
 static inline void
@@ -971,7 +971,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
     khmer_position_t last_pos = POS_START;
     for (unsigned int i = start; i < end; i++)
     {
-      if ((FLAG_UNSAFE (info[i].khmer_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | HALANT_OR_COENG_FLAGS)))
+      if ((FLAG_UNSAFE (info[i].khmer_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | FLAG (OT_Coeng))))
       {
 	info[i].khmer_position() = last_pos;
 	if (unlikely (info[i].khmer_category() == OT_H &&
@@ -1313,7 +1313,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	  _hb_glyph_info_ligated (&info[i]) &&
 	  _hb_glyph_info_multiplied (&info[i]))
       {
-        /* This will make sure that this glyph passes is_halant_or_coeng() test. */
+        /* This will make sure that this glyph passes is_coeng() test. */
 	info[i].khmer_category() = OT_H;
 	_hb_glyph_info_clear_ligated_and_multiplied (&info[i]);
       }
@@ -1346,7 +1346,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	      /* Ok, this was a 'pref' candidate but didn't form any.
 	       * Base is around here... */
 	      base = i;
-	      while (base < end && is_halant_or_coeng (info[base]))
+	      while (base < end && is_coeng (info[base]))
 		base++;
 	      info[base].khmer_position() = POS_BASE_C;
 
@@ -1362,7 +1362,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	{
 	  while (i < end && is_joiner (info[i]))
 	    i++;
-	  if (i == end || !is_halant_or_coeng (info[i]))
+	  if (i == end || !is_coeng (info[i]))
 	    break;
 	  i++; /* Skip halant. */
 	  while (i < end && is_joiner (info[i]))
@@ -1384,7 +1384,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     base--;
   if (base < end)
     while (start < base &&
-	   is_one_of (info[base], (FLAG (OT_N) | HALANT_OR_COENG_FLAGS)))
+	   is_one_of (info[base], (FLAG (OT_N) | FLAG (OT_Coeng))))
       base--;
 
 
@@ -1410,13 +1410,13 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
     {
       while (new_pos > start &&
-	     !(is_one_of (info[new_pos], (FLAG (OT_M) | HALANT_OR_COENG_FLAGS))))
+	     !(is_one_of (info[new_pos], (FLAG (OT_M) | FLAG (OT_Coeng)))))
 	new_pos--;
 
       /* If we found no Halant we are done.
        * Otherwise only proceed if the Halant does
        * not belong to the Matra itself! */
-      if (is_halant_or_coeng (info[new_pos]) &&
+      if (is_coeng (info[new_pos]) &&
 	  info[new_pos].khmer_position() != POS_PRE_M)
       {
 	/* -> If ZWJ or ZWNJ follow this halant, position is moved after it. */
@@ -1506,10 +1506,10 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
      */
     {
       new_reph_pos = start + 1;
-      while (new_reph_pos < base && !is_halant_or_coeng (info[new_reph_pos]))
+      while (new_reph_pos < base && !is_coeng (info[new_reph_pos]))
 	new_reph_pos++;
 
-      if (new_reph_pos < base && is_halant_or_coeng (info[new_reph_pos]))
+      if (new_reph_pos < base && is_coeng (info[new_reph_pos]))
       {
 	/* ->If ZWJ or ZWNJ are following this halant, position is moved after it. */
 	if (new_reph_pos + 1 < base && is_joiner (info[new_reph_pos + 1]))
@@ -1558,10 +1558,10 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     {
       /* Copied from step 2. */
       new_reph_pos = start + 1;
-      while (new_reph_pos < base && !is_halant_or_coeng (info[new_reph_pos]))
+      while (new_reph_pos < base && !is_coeng (info[new_reph_pos]))
 	new_reph_pos++;
 
-      if (new_reph_pos < base && is_halant_or_coeng (info[new_reph_pos]))
+      if (new_reph_pos < base && is_coeng (info[new_reph_pos]))
       {
 	/* ->If ZWJ or ZWNJ are following this halant, position is moved after it. */
 	if (new_reph_pos + 1 < base && is_joiner (info[new_reph_pos + 1]))
@@ -1585,7 +1585,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
        * TEST: U+0930,U+094D,U+0915,U+094B,U+094D
        */
       if (!hb_options ().uniscribe_bug_compatible &&
-	  unlikely (is_halant_or_coeng (info[new_reph_pos]))) {
+	  unlikely (is_coeng (info[new_reph_pos]))) {
 	for (unsigned int i = base + 1; i < new_reph_pos; i++)
 	  if (info[i].khmer_category() == OT_M) {
 	    /* Ok, got it. */
@@ -1646,7 +1646,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	  if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
 	  {
 	    while (new_pos > start &&
-		   !(is_one_of (info[new_pos - 1], FLAG(OT_M) | HALANT_OR_COENG_FLAGS)))
+		   !(is_one_of (info[new_pos - 1], FLAG(OT_M) | FLAG (OT_Coeng))))
 	      new_pos--;
 
 	    /* In Khmer coeng model, a H,Ra can go *after* matras.  If it goes after a
@@ -1663,7 +1663,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	    }
 	  }
 
-	  if (new_pos > start && is_halant_or_coeng (info[new_pos - 1]))
+	  if (new_pos > start && is_coeng (info[new_pos - 1]))
 	  {
 	    /* -> If ZWJ or ZWNJ follow this halant, position is moved after it. */
 	    if (new_pos < end && is_joiner (info[new_pos]))

From 7eb3ac29d388432c311981b20b1aa75f47249bfc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 15:41:31 +0000
Subject: [PATCH 0736/1326] [khmer] Remove indic_config->has_old_spec

---
 src/hb-ot-shape-complex-khmer.cc | 157 +++++--------------------------
 1 file changed, 21 insertions(+), 136 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index a83024756..f147288c5 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -299,7 +299,6 @@ enum blwf_mode_t {
 struct indic_config_t
 {
   hb_script_t     script;
-  bool            has_old_spec;
   hb_codepoint_t  virama;
   base_position_t base_pos;
   reph_position_t reph_pos;
@@ -309,20 +308,7 @@ struct indic_config_t
 
 static const indic_config_t indic_configs[] =
 {
-  /* Default.  Should be first. */
-  {HB_SCRIPT_INVALID,	false,      0,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_DEVANAGARI,true, 0x094Du,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_BENGALI,	true, 0x09CDu,BASE_POS_LAST, REPH_POS_AFTER_SUB,  REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_GURMUKHI,	true, 0x0A4Du,BASE_POS_LAST, REPH_POS_BEFORE_SUB, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_GUJARATI,	true, 0x0ACDu,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_ORIYA,	true, 0x0B4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_TAMIL,	true, 0x0BCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_TELUGU,	true, 0x0C4Du,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_EXPLICIT, BLWF_MODE_POST_ONLY},
-  {HB_SCRIPT_KANNADA,	true, 0x0CCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_POST_ONLY},
-  {HB_SCRIPT_MALAYALAM,	true, 0x0D4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_LOG_REPHA,BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_SINHALA,	false,0x0DCAu,BASE_POS_LAST_SINHALA,
-						     REPH_POS_AFTER_MAIN, REPH_MODE_EXPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_KHMER,	false,0x17D2u,BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_KHMER,0x17D2u,BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
 };
 
 
@@ -521,7 +507,6 @@ struct khmer_shape_plan_t
 
   const indic_config_t *config;
 
-  bool is_old_spec;
   mutable hb_codepoint_t virama_glyph;
 
   would_substitute_feature_t rphf;
@@ -540,29 +525,13 @@ data_create_khmer (const hb_ot_shape_plan_t *plan)
     return nullptr;
 
   khmer_plan->config = &indic_configs[0];
-  for (unsigned int i = 1; i < ARRAY_LENGTH (indic_configs); i++)
-    if (plan->props.script == indic_configs[i].script) {
-      khmer_plan->config = &indic_configs[i];
-      break;
-    }
 
-  khmer_plan->is_old_spec = khmer_plan->config->has_old_spec && ((plan->map.chosen_script[0] & 0x000000FFu) != '2');
   khmer_plan->virama_glyph = (hb_codepoint_t) -1;
 
-  /* Use zero-context would_substitute() matching for new-spec of the main
-   * Indic scripts, and scripts with one spec only, but not for old-specs.
-   * The new-spec for all dual-spec scripts says zero-context matching happens.
-   *
-   * However, testing with Malayalam shows that old and new spec both allow
-   * context.  Testing with Bengali new-spec however shows that it doesn't.
-   * So, the heuristic here is the way it is.  It should *only* be changed,
-   * as we discover more cases of what Windows does.  DON'T TOUCH OTHERWISE.
-   */
-  bool zero_context = !khmer_plan->is_old_spec && plan->props.script != HB_SCRIPT_MALAYALAM;
-  khmer_plan->rphf.init (&plan->map, HB_TAG('r','p','h','f'), zero_context);
-  khmer_plan->pref.init (&plan->map, HB_TAG('p','r','e','f'), zero_context);
-  khmer_plan->blwf.init (&plan->map, HB_TAG('b','l','w','f'), zero_context);
-  khmer_plan->pstf.init (&plan->map, HB_TAG('p','s','t','f'), zero_context);
+  khmer_plan->rphf.init (&plan->map, HB_TAG('r','p','h','f'), true);
+  khmer_plan->pref.init (&plan->map, HB_TAG('p','r','e','f'), true);
+  khmer_plan->blwf.init (&plan->map, HB_TAG('b','l','w','f'), true);
+  khmer_plan->pstf.init (&plan->map, HB_TAG('p','s','t','f'), true);
 
   for (unsigned int i = 0; i < ARRAY_LENGTH (khmer_plan->mask_array); i++)
     khmer_plan->mask_array[i] = (khmer_features[i].flags & F_GLOBAL) ?
@@ -928,44 +897,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   if (has_reph)
     info[start].khmer_position() = POS_RA_TO_BECOME_REPH;
 
-  /* For old-style Indic script tags, move the first post-base Halant after
-   * last consonant.
-   *
-   * Reports suggest that in some scripts Uniscribe does this only if there
-   * is *not* a Halant after last consonant already (eg. Kannada), while it
-   * does it unconditionally in other scripts (eg. Malayalam).  We don't
-   * currently know about other scripts, so we single out Malayalam for now.
-   *
-   * Kannada test case:
-   * U+0C9A,U+0CCD,U+0C9A,U+0CCD
-   * With some versions of Lohit Kannada.
-   * https://bugs.freedesktop.org/show_bug.cgi?id=59118
-   *
-   * Malayalam test case:
-   * U+0D38,U+0D4D,U+0D31,U+0D4D,U+0D31,U+0D4D
-   * With lohit-ttf-20121122/Lohit-Malayalam.ttf
-   */
-  if (khmer_plan->is_old_spec)
-  {
-    bool disallow_double_halants = buffer->props.script != HB_SCRIPT_MALAYALAM;
-    for (unsigned int i = base + 1; i < end; i++)
-      if (info[i].khmer_category() == OT_H)
-      {
-        unsigned int j;
-        for (j = end - 1; j > i; j--)
-	  if (is_consonant (info[j]) ||
-	      (disallow_double_halants && info[j].khmer_category() == OT_H))
-	    break;
-	if (info[j].khmer_category() != OT_H && j > i) {
-	  /* Move Halant to after last consonant. */
-	  hb_glyph_info_t t = info[i];
-	  memmove (&info[i], &info[i + 1], (j - i) * sizeof (info[0]));
-	  info[j] = t;
-	}
-        break;
-      }
-  }
-
   /* Attach misc marks to previous char to move with them. */
   {
     khmer_position_t last_pos = POS_START;
@@ -1029,36 +960,23 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	base = i;
 	break;
       }
-    /* Things are out-of-control for post base positions, they may shuffle
-     * around like crazy.  In old-spec mode, we move halants around, so in
-     * that case merge all clusters after base.  Otherwise, check the sort
-     * order and merge as needed.
-     * For pre-base stuff, we handle cluster issues in final reordering.
-     *
-     * We could use buffer->sort() for this, if there was no special
-     * reordering of pre-base stuff happening later...
-     */
-    if (khmer_plan->is_old_spec || end - base > 127)
-      buffer->merge_clusters (base, end);
-    else
-    {
-      /* Note!  syllable() is a one-byte field. */
-      for (unsigned int i = base; i < end; i++)
-        if (info[i].syllable() != 255)
+
+    /* Note!  syllable() is a one-byte field. */
+    for (unsigned int i = base; i < end; i++)
+      if (info[i].syllable() != 255)
+      {
+	unsigned int max = i;
+	unsigned int j = start + info[i].syllable();
+	while (j != i)
 	{
-	  unsigned int max = i;
-	  unsigned int j = start + info[i].syllable();
-	  while (j != i)
-	  {
-	    max = MAX (max, j);
-	    unsigned int next = start + info[j].syllable();
-	    info[j].syllable() = 255; /* So we don't process j later again. */
-	    j = next;
-	  }
-	  if (i != max)
-	    buffer->merge_clusters (i, max + 1);
+	  max = MAX (max, j);
+	  unsigned int next = start + info[j].syllable();
+	  info[j].syllable() = 255; /* So we don't process j later again. */
+	  j = next;
 	}
-    }
+	if (i != max)
+	  buffer->merge_clusters (i, max + 1);
+      }
 
     /* Put syllable back in. */
     for (unsigned int i = start; i < end; i++)
@@ -1076,8 +994,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 
     /* Pre-base */
     mask = khmer_plan->mask_array[HALF];
-    if (!khmer_plan->is_old_spec &&
-	khmer_plan->config->blwf_mode == BLWF_MODE_PRE_AND_POST)
+    if (khmer_plan->config->blwf_mode == BLWF_MODE_PRE_AND_POST)
       mask |= khmer_plan->mask_array[BLWF];
     for (unsigned int i = start; i < base; i++)
       info[i].mask  |= mask;
@@ -1091,38 +1008,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
       info[i].mask  |= mask;
   }
 
-  if (khmer_plan->is_old_spec &&
-      buffer->props.script == HB_SCRIPT_DEVANAGARI)
-  {
-    /* Old-spec eye-lash Ra needs special handling.  From the
-     * spec:
-     *
-     * "The feature 'below-base form' is applied to consonants
-     * having below-base forms and following the base consonant.
-     * The exception is vattu, which may appear below half forms
-     * as well as below the base glyph. The feature 'below-base
-     * form' will be applied to all such occurrences of Ra as well."
-     *
-     * Test case: U+0924,U+094D,U+0930,U+094d,U+0915
-     * with Sanskrit 2003 font.
-     *
-     * However, note that Ra,Halant,ZWJ is the correct way to
-     * request eyelash form of Ra, so we wouldbn't inhibit it
-     * in that sequence.
-     *
-     * Test case: U+0924,U+094D,U+0930,U+094d,U+200D,U+0915
-     */
-    for (unsigned int i = start; i + 1 < base; i++)
-      if (info[i  ].khmer_category() == OT_Ra &&
-	  info[i+1].khmer_category() == OT_H  &&
-	  (i + 2 == base ||
-	   info[i+2].khmer_category() != OT_ZWJ))
-      {
-	info[i  ].mask |= khmer_plan->mask_array[BLWF];
-	info[i+1].mask |= khmer_plan->mask_array[BLWF];
-      }
-  }
-
   unsigned int pref_len = 2;
   if (khmer_plan->mask_array[PREF] && base + pref_len < end)
   {

From 9b135d9524e51cc1e1f35479e015c746ccd8ca5f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 15:43:11 +0000
Subject: [PATCH 0737/1326] [khmer] Remove indic_config->virama

---
 src/hb-ot-shape-complex-khmer.cc | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index f147288c5..843e82d14 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -299,7 +299,6 @@ enum blwf_mode_t {
 struct indic_config_t
 {
   hb_script_t     script;
-  hb_codepoint_t  virama;
   base_position_t base_pos;
   reph_position_t reph_pos;
   reph_mode_t     reph_mode;
@@ -308,7 +307,7 @@ struct indic_config_t
 
 static const indic_config_t indic_configs[] =
 {
-  {HB_SCRIPT_KHMER,0x17D2u,BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_KHMER,BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
 };
 
 
@@ -491,7 +490,7 @@ struct khmer_shape_plan_t
     hb_codepoint_t glyph = virama_glyph;
     if (unlikely (virama_glyph == (hb_codepoint_t) -1))
     {
-      if (!config->virama || !font->get_nominal_glyph (config->virama, &glyph))
+      if (!font->get_nominal_glyph (0x17D2u, &glyph))
 	glyph = 0;
       /* Technically speaking, the spec says we should apply 'locl' to virama too.
        * Maybe one day... */

From 4c0199c573f79be5f40e7d4f8433ef6a1c9c24b2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 15:43:48 +0000
Subject: [PATCH 0738/1326] [khmer] Remove indic_config->script

---
 src/hb-ot-shape-complex-khmer.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 843e82d14..d43232804 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -298,7 +298,6 @@ enum blwf_mode_t {
 };
 struct indic_config_t
 {
-  hb_script_t     script;
   base_position_t base_pos;
   reph_position_t reph_pos;
   reph_mode_t     reph_mode;
@@ -307,7 +306,7 @@ struct indic_config_t
 
 static const indic_config_t indic_configs[] =
 {
-  {HB_SCRIPT_KHMER,BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
+  {BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
 };
 
 

From 0c91638d48d6fb86d1e30fb94c15785707395b42 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 15:45:30 +0000
Subject: [PATCH 0739/1326] [khmer] Remove other scripts

---
 src/hb-ot-shape-complex-khmer.cc | 131 ++++++++-----------------------
 1 file changed, 34 insertions(+), 97 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index d43232804..4d232e362 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -442,12 +442,7 @@ override_features_khmer (hb_ot_shape_planner_t *plan)
   /* Uniscribe does not apply 'kern' in Khmer. */
   if (hb_options ().uniscribe_bug_compatible)
   {
-    switch ((hb_tag_t) plan->props.script)
-    {
-      case HB_SCRIPT_KHMER:
-	plan->map.add_feature (HB_TAG('k','e','r','n'), 0, F_GLOBAL);
-	break;
-    }
+    plan->map.add_feature (HB_TAG('k','e','r','n'), 0, F_GLOBAL);
   }
 
   plan->map.add_feature (HB_TAG('l','i','g','a'), 0, F_GLOBAL);
@@ -661,22 +656,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   const khmer_shape_plan_t *khmer_plan = (const khmer_shape_plan_t *) plan->data;
   hb_glyph_info_t *info = buffer->info;
 
-  /* https://github.com/harfbuzz/harfbuzz/issues/435#issuecomment-335560167
-   * // For compatibility with legacy usage in Kannada,
-   * // Ra+h+ZWJ must behave like Ra+ZWJ+h...
-   */
-  if (buffer->props.script == HB_SCRIPT_KANNADA &&
-      start + 3 <= end &&
-      is_one_of (info[start  ], FLAG (OT_Ra)) &&
-      is_one_of (info[start+1], FLAG (OT_H)) &&
-      is_one_of (info[start+2], FLAG (OT_ZWJ)))
-  {
-    buffer->merge_clusters (start+1, start+3);
-    hb_glyph_info_t tmp = info[start+1];
-    info[start+1] = info[start+2];
-    info[start+2] = tmp;
-  }
-
   /* 1. Find base consonant:
    *
    * The shaping engine finds the base consonant of the syllable, using the
@@ -1238,25 +1217,6 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	    break;
 	  }
       }
-      /* For Malayalam, skip over unformed below- (but NOT post-) forms. */
-      if (buffer->props.script == HB_SCRIPT_MALAYALAM)
-      {
-	for (unsigned int i = base + 1; i < end; i++)
-	{
-	  while (i < end && is_joiner (info[i]))
-	    i++;
-	  if (i == end || !is_coeng (info[i]))
-	    break;
-	  i++; /* Skip halant. */
-	  while (i < end && is_joiner (info[i]))
-	    i++;
-	  if (i < end && is_consonant (info[i]) && info[i].khmer_position() == POS_BELOW_C)
-	  {
-	    base = i;
-	    info[base].khmer_position() = POS_BASE_C;
-	  }
-	}
-      }
 
       if (start < base && info[base].khmer_position() > POS_BASE_C)
         base--;
@@ -1286,29 +1246,22 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
     /* If we lost track of base, alas, position before last thingy. */
     unsigned int new_pos = base == end ? base - 2 : base - 1;
 
-    /* Malayalam / Tamil do not have "half" forms or explicit virama forms.
-     * The glyphs formed by 'half' are Chillus or ligated explicit viramas.
-     * We want to position matra after them.
-     */
-    if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
-    {
-      while (new_pos > start &&
-	     !(is_one_of (info[new_pos], (FLAG (OT_M) | FLAG (OT_Coeng)))))
-	new_pos--;
+    while (new_pos > start &&
+	   !(is_one_of (info[new_pos], (FLAG (OT_M) | FLAG (OT_Coeng)))))
+      new_pos--;
 
-      /* If we found no Halant we are done.
-       * Otherwise only proceed if the Halant does
-       * not belong to the Matra itself! */
-      if (is_coeng (info[new_pos]) &&
-	  info[new_pos].khmer_position() != POS_PRE_M)
-      {
-	/* -> If ZWJ or ZWNJ follow this halant, position is moved after it. */
-	if (new_pos + 1 < end && is_joiner (info[new_pos + 1]))
-	  new_pos++;
-      }
-      else
-        new_pos = start; /* No move. */
+    /* If we found no Halant we are done.
+     * Otherwise only proceed if the Halant does
+     * not belong to the Matra itself! */
+    if (is_coeng (info[new_pos]) &&
+	info[new_pos].khmer_position() != POS_PRE_M)
+    {
+      /* -> If ZWJ or ZWNJ follow this halant, position is moved after it. */
+      if (new_pos + 1 < end && is_joiner (info[new_pos + 1]))
+	new_pos++;
     }
+    else
+      new_pos = start; /* No move. */
 
     if (start < new_pos && info[new_pos].khmer_position () != POS_PRE_M)
     {
@@ -1522,28 +1475,21 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	   */
 
 	  unsigned int new_pos = base;
-	  /* Malayalam / Tamil do not have "half" forms or explicit virama forms.
-	   * The glyphs formed by 'half' are Chillus or ligated explicit viramas.
-	   * We want to position matra after them.
-	   */
-	  if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
-	  {
-	    while (new_pos > start &&
-		   !(is_one_of (info[new_pos - 1], FLAG(OT_M) | FLAG (OT_Coeng))))
-	      new_pos--;
+	  while (new_pos > start &&
+		 !(is_one_of (info[new_pos - 1], FLAG(OT_M) | FLAG (OT_Coeng))))
+	    new_pos--;
 
-	    /* In Khmer coeng model, a H,Ra can go *after* matras.  If it goes after a
-	     * split matra, it should be reordered to *before* the left part of such matra. */
-	    if (new_pos > start && info[new_pos - 1].khmer_category() == OT_M)
-	    {
-	      unsigned int old_pos = i;
-	      for (unsigned int j = base + 1; j < old_pos; j++)
-		if (info[j].khmer_category() == OT_M)
-		{
-		  new_pos--;
-		  break;
-		}
-	    }
+	  /* In Khmer coeng model, a H,Ra can go *after* matras.  If it goes after a
+	   * split matra, it should be reordered to *before* the left part of such matra. */
+	  if (new_pos > start && info[new_pos - 1].khmer_category() == OT_M)
+	  {
+	    unsigned int old_pos = i;
+	    for (unsigned int j = base + 1; j < old_pos; j++)
+	      if (info[j].khmer_category() == OT_M)
+	      {
+		new_pos--;
+		break;
+	      }
 	  }
 
 	  if (new_pos > start && is_coeng (info[new_pos - 1]))
@@ -1588,20 +1534,11 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
    */
   if (hb_options ().uniscribe_bug_compatible)
   {
-    switch ((hb_tag_t) plan->props.script)
-    {
-      case HB_SCRIPT_TAMIL:
-      case HB_SCRIPT_SINHALA:
-        break;
-
-      default:
-	/* Uniscribe merges the entire syllable into a single cluster... Except for Tamil & Sinhala.
-	 * This means, half forms are submerged into the main consonant's cluster.
-	 * This is unnecessary, and makes cursor positioning harder, but that's what
-	 * Uniscribe does. */
-	buffer->merge_clusters (start, end);
-	break;
-    }
+    /* Uniscribe merges the entire syllable into a single cluster... Except for Tamil & Sinhala.
+     * This means, half forms are submerged into the main consonant's cluster.
+     * This is unnecessary, and makes cursor positioning harder, but that's what
+     * Uniscribe does. */
+    buffer->merge_clusters (start, end);
   }
 }
 

From ffcd6c7efd21bf89b41ddbf148b05672a42ecadd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 15:50:05 +0000
Subject: [PATCH 0740/1326] [khmer] Remove indic_config->base_pos

---
 src/hb-ot-shape-complex-khmer.cc | 229 +------------------------------
 1 file changed, 7 insertions(+), 222 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 4d232e362..3437f1e07 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -273,11 +273,6 @@ set_khmer_properties (hb_glyph_info_t &info)
  * instead of adding a new flag in these structs.
  */
 
-enum base_position_t {
-  BASE_POS_FIRST,
-  BASE_POS_LAST_SINHALA,
-  BASE_POS_LAST
-};
 enum reph_position_t {
   REPH_POS_AFTER_MAIN  = POS_AFTER_MAIN,
   REPH_POS_BEFORE_SUB  = POS_BEFORE_SUB,
@@ -298,7 +293,6 @@ enum blwf_mode_t {
 };
 struct indic_config_t
 {
-  base_position_t base_pos;
   reph_position_t reph_pos;
   reph_mode_t     reph_mode;
   blwf_mode_t     blwf_mode;
@@ -306,7 +300,7 @@ struct indic_config_t
 
 static const indic_config_t indic_configs[] =
 {
-  {BASE_POS_FIRST,REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
+  {REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
 };
 
 
@@ -504,8 +498,6 @@ struct khmer_shape_plan_t
 
   would_substitute_feature_t rphf;
   would_substitute_feature_t pref;
-  would_substitute_feature_t blwf;
-  would_substitute_feature_t pstf;
 
   hb_mask_t mask_array[INDIC_NUM_FEATURES];
 };
@@ -523,8 +515,6 @@ data_create_khmer (const hb_ot_shape_plan_t *plan)
 
   khmer_plan->rphf.init (&plan->map, HB_TAG('r','p','h','f'), true);
   khmer_plan->pref.init (&plan->map, HB_TAG('p','r','e','f'), true);
-  khmer_plan->blwf.init (&plan->map, HB_TAG('b','l','w','f'), true);
-  khmer_plan->pstf.init (&plan->map, HB_TAG('p','s','t','f'), true);
 
   for (unsigned int i = 0; i < ARRAY_LENGTH (khmer_plan->mask_array); i++)
     khmer_plan->mask_array[i] = (khmer_features[i].flags & F_GLOBAL) ?
@@ -539,35 +529,6 @@ data_destroy_khmer (void *data)
   free (data);
 }
 
-static khmer_position_t
-consonant_position_from_face (const khmer_shape_plan_t *khmer_plan,
-			      const hb_codepoint_t consonant,
-			      const hb_codepoint_t virama,
-			      hb_face_t *face)
-{
-  /* For old-spec, the order of glyphs is Consonant,Virama,
-   * whereas for new-spec, it's Virama,Consonant.  However,
-   * some broken fonts (like Free Sans) simply copied lookups
-   * from old-spec to new-spec without modification.
-   * And oddly enough, Uniscribe seems to respect those lookups.
-   * Eg. in the sequence U+0924,U+094D,U+0930, Uniscribe finds
-   * base at 0.  The font however, only has lookups matching
-   * 930,94D in 'blwf', not the expected 94D,930 (with new-spec
-   * table).  As such, we simply match both sequences.  Seems
-   * to work. */
-  hb_codepoint_t glyphs[3] = {virama, consonant, virama};
-  if (khmer_plan->blwf.would_substitute (glyphs  , 2, face) ||
-      khmer_plan->blwf.would_substitute (glyphs+1, 2, face))
-    return POS_BELOW_C;
-  if (khmer_plan->pstf.would_substitute (glyphs  , 2, face) ||
-      khmer_plan->pstf.would_substitute (glyphs+1, 2, face))
-    return POS_POST_C;
-  if (khmer_plan->pref.would_substitute (glyphs  , 2, face) ||
-      khmer_plan->pref.would_substitute (glyphs+1, 2, face))
-    return POS_POST_C;
-  return POS_BASE_C;
-}
-
 
 enum syllable_type_t {
   consonant_syllable,
@@ -617,33 +578,6 @@ compare_khmer_order (const hb_glyph_info_t *pa, const hb_glyph_info_t *pb)
 }
 
 
-
-static void
-update_consonant_positions (const hb_ot_shape_plan_t *plan,
-			    hb_font_t         *font,
-			    hb_buffer_t       *buffer)
-{
-  const khmer_shape_plan_t *khmer_plan = (const khmer_shape_plan_t *) plan->data;
-
-  if (khmer_plan->config->base_pos != BASE_POS_LAST)
-    return;
-
-  hb_codepoint_t virama;
-  if (khmer_plan->get_virama_glyph (font, &virama))
-  {
-    hb_face_t *face = font->face;
-    unsigned int count = buffer->len;
-    hb_glyph_info_t *info = buffer->info;
-    for (unsigned int i = 0; i < count; i++)
-      if (info[i].khmer_position() == POS_BASE_C)
-      {
-	hb_codepoint_t consonant = info[i].codepoint;
-	info[i].khmer_position() = consonant_position_from_face (khmer_plan, consonant, virama, face);
-      }
-  }
-}
-
-
 /* Rules from:
  * https://www.microsoft.com/typography/otfntdev/devanot/shaping.aspx */
 
@@ -710,101 +644,13 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	has_reph = true;
     }
 
-    switch (khmer_plan->config->base_pos)
-    {
-      case BASE_POS_LAST:
-      {
-	/* -> starting from the end of the syllable, move backwards */
-	unsigned int i = end;
-	bool seen_below = false;
-	do {
-	  i--;
-	  /* -> until a consonant is found */
-	  if (is_consonant (info[i]))
-	  {
-	    /* -> that does not have a below-base or post-base form
-	     * (post-base forms have to follow below-base forms), */
-	    if (info[i].khmer_position() != POS_BELOW_C &&
-		(info[i].khmer_position() != POS_POST_C || seen_below))
-	    {
-	      base = i;
-	      break;
-	    }
-	    if (info[i].khmer_position() == POS_BELOW_C)
-	      seen_below = true;
+    /* The first consonant is always the base. */
+    base = start;
 
-	    /* -> or that is not a pre-base-reordering Ra,
-	     *
-	     * IMPLEMENTATION NOTES:
-	     *
-	     * Our pre-base-reordering Ra's are marked POS_POST_C, so will be skipped
-	     * by the logic above already.
-	     */
-
-	    /* -> or arrive at the first consonant. The consonant stopped at will
-	     * be the base. */
-	    base = i;
-	  }
-	  else
-	  {
-	    /* A ZWJ after a Halant stops the base search, and requests an explicit
-	     * half form.
-	     * A ZWJ before a Halant, requests a subjoined form instead, and hence
-	     * search continues.  This is particularly important for Bengali
-	     * sequence Ra,H,Ya that should form Ya-Phalaa by subjoining Ya. */
-	    if (start < i &&
-		info[i].khmer_category() == OT_ZWJ &&
-		info[i - 1].khmer_category() == OT_H)
-	      break;
-	  }
-	} while (i > limit);
-      }
-      break;
-
-      case BASE_POS_LAST_SINHALA:
-      {
-        /* Sinhala base positioning is slightly different from main Indic, in that:
-	 * 1. Its ZWJ behavior is different,
-	 * 2. We don't need to look into the font for consonant positions.
-	 */
-
-	if (!has_reph)
-	  base = limit;
-
-	/* Find the last base consonant that is not blocked by ZWJ.  If there is
-	 * a ZWJ right before a base consonant, that would request a subjoined form. */
-	for (unsigned int i = limit; i < end; i++)
-	  if (is_consonant (info[i]))
-	  {
-	    if (limit < i && info[i - 1].khmer_category() == OT_ZWJ)
-	      break;
-	    else
-	      base = i;
-	  }
-
-	/* Mark all subsequent consonants as below. */
-	for (unsigned int i = base + 1; i < end; i++)
-	  if (is_consonant (info[i]))
-	    info[i].khmer_position() = POS_BELOW_C;
-      }
-      break;
-
-      case BASE_POS_FIRST:
-      {
-	/* The first consonant is always the base. */
-
-	assert (khmer_plan->config->reph_mode == REPH_MODE_VIS_REPHA);
-	assert (!has_reph);
-
-	base = start;
-
-	/* Mark all subsequent consonants as below. */
-	for (unsigned int i = base + 1; i < end; i++)
-	  if (is_consonant (info[i]))
-	    info[i].khmer_position() = POS_BELOW_C;
-      }
-      break;
-    }
+    /* Mark all subsequent consonants as below. */
+    for (unsigned int i = base + 1; i < end; i++)
+      if (is_consonant (info[i]))
+	info[i].khmer_position() = POS_BELOW_C;
 
     /* -> If the syllable starts with Ra + Halant (in a script that has Reph)
      *    and has more than one consonant, Ra is excluded from candidates for
@@ -1146,7 +992,6 @@ initial_reordering (const hb_ot_shape_plan_t *plan,
 		    hb_font_t *font,
 		    hb_buffer_t *buffer)
 {
-  update_consonant_positions (plan, font, buffer);
   insert_dotted_circles (plan, font, buffer);
 
   foreach_syllable (buffer, start, end)
@@ -1579,11 +1424,6 @@ decompose_khmer (const hb_ot_shape_normalize_context_t *c,
 {
   switch (ab)
   {
-    /* Don't decompose these. */
-    case 0x0931u  : return false; /* DEVANAGARI LETTER RRA */
-    case 0x0B94u  : return false; /* TAMIL LETTER AU */
-
-
     /*
      * Decompose split matras that don't have Unicode decompositions.
      */
@@ -1594,58 +1434,6 @@ decompose_khmer (const hb_ot_shape_normalize_context_t *c,
     case 0x17C0u  : *a = 0x17C1u; *b= 0x17C0u; return true;
     case 0x17C4u  : *a = 0x17C1u; *b= 0x17C4u; return true;
     case 0x17C5u  : *a = 0x17C1u; *b= 0x17C5u; return true;
-
-#if 0
-    /* Gujarati */
-    /* This one has no decomposition in Unicode, but needs no decomposition either. */
-    /* case 0x0AC9u  : return false; */
-
-    /* Oriya */
-    case 0x0B57u  : *a = no decomp, -> RIGHT; return true;
-#endif
-  }
-
-  if ((ab == 0x0DDAu || hb_in_range<hb_codepoint_t> (ab, 0x0DDCu, 0x0DDEu)))
-  {
-    /*
-     * Sinhala split matras...  Let the fun begin.
-     *
-     * These four characters have Unicode decompositions.  However, Uniscribe
-     * decomposes them "Khmer-style", that is, it uses the character itself to
-     * get the second half.  The first half of all four decompositions is always
-     * U+0DD9.
-     *
-     * Now, there are buggy fonts, namely, the widely used lklug.ttf, that are
-     * broken with Uniscribe.  But we need to support them.  As such, we only
-     * do the Uniscribe-style decomposition if the character is transformed into
-     * its "sec.half" form by the 'pstf' feature.  Otherwise, we fall back to
-     * Unicode decomposition.
-     *
-     * Note that we can't unconditionally use Unicode decomposition.  That would
-     * break some other fonts, that are designed to work with Uniscribe, and
-     * don't have positioning features for the Unicode-style decomposition.
-     *
-     * Argh...
-     *
-     * The Uniscribe behavior is now documented in the newly published Sinhala
-     * spec in 2012:
-     *
-     *   http://www.microsoft.com/typography/OpenTypeDev/sinhala/intro.htm#shaping
-     */
-
-    const khmer_shape_plan_t *khmer_plan = (const khmer_shape_plan_t *) c->plan->data;
-
-    hb_codepoint_t glyph;
-
-    if (hb_options ().uniscribe_bug_compatible ||
-	(c->font->get_nominal_glyph (ab, &glyph) &&
-	 khmer_plan->pstf.would_substitute (&glyph, 1, c->font->face)))
-    {
-      /* Ok, safe to use Uniscribe-style decomposition. */
-      *a = 0x0DD9u;
-      *b = ab;
-      return true;
-    }
   }
 
   return (bool) c->unicode->decompose (ab, a, b);
@@ -1661,9 +1449,6 @@ compose_khmer (const hb_ot_shape_normalize_context_t *c,
   if (HB_UNICODE_GENERAL_CATEGORY_IS_MARK (c->unicode->general_category (a)))
     return false;
 
-  /* Composition-exclusion exceptions that we want to recompose. */
-  if (a == 0x09AFu && b == 0x09BCu) { *ab = 0x09DFu; return true; }
-
   return (bool) c->unicode->compose (a, b, ab);
 }
 

From c135324af107d3e33420cd0dca4d5bb12fd3f4a1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 16:01:17 +0000
Subject: [PATCH 0741/1326] [khmer] Remove indic_config->reph_pos

---
 src/hb-ot-shape-complex-khmer.cc | 333 +------------------------------
 1 file changed, 10 insertions(+), 323 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 3437f1e07..586bb3f2c 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -110,36 +110,6 @@ matra_position (hb_codepoint_t u, khmer_position_t side)
   return side;
 }
 
-/* XXX
- * This is a hack for now.  We should move this data into the main Indic table.
- * Or completely remove it and just check in the tables.
- */
-static const hb_codepoint_t ra_chars[] = {
-  0x0930u, /* Devanagari */
-  0x09B0u, /* Bengali */
-  0x09F0u, /* Bengali */
-  0x0A30u, /* Gurmukhi */	/* No Reph */
-  0x0AB0u, /* Gujarati */
-  0x0B30u, /* Oriya */
-  0x0BB0u, /* Tamil */		/* No Reph */
-  0x0C30u, /* Telugu */		/* Reph formed only with ZWJ */
-  0x0CB0u, /* Kannada */
-  0x0D30u, /* Malayalam */	/* No Reph, Logical Repha */
-
-  0x0DBBu, /* Sinhala */		/* Reph formed only with ZWJ */
-
-  0x179Au, /* Khmer */		/* No Reph, Visual Repha */
-};
-
-static inline bool
-is_ra (hb_codepoint_t u)
-{
-  for (unsigned int i = 0; i < ARRAY_LENGTH (ra_chars); i++)
-    if (u == ra_chars[i])
-      return true;
-  return false;
-}
-
 static inline bool
 is_one_of (const hb_glyph_info_t &info, unsigned int flags)
 {
@@ -240,7 +210,7 @@ set_khmer_properties (hb_glyph_info_t &info)
   if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
   {
     pos = POS_BASE_C;
-    if (is_ra (u))
+    if (u == 0x179Au)
       cat = OT_Ra;
   }
   else if (cat == OT_M)
@@ -273,14 +243,6 @@ set_khmer_properties (hb_glyph_info_t &info)
  * instead of adding a new flag in these structs.
  */
 
-enum reph_position_t {
-  REPH_POS_AFTER_MAIN  = POS_AFTER_MAIN,
-  REPH_POS_BEFORE_SUB  = POS_BEFORE_SUB,
-  REPH_POS_AFTER_SUB   = POS_AFTER_SUB,
-  REPH_POS_BEFORE_POST = POS_BEFORE_POST,
-  REPH_POS_AFTER_POST  = POS_AFTER_POST,
-  REPH_POS_DONT_CARE   = POS_RA_TO_BECOME_REPH
-};
 enum reph_mode_t {
   REPH_MODE_IMPLICIT,  /* Reph formed out of initial Ra,H sequence. */
   REPH_MODE_EXPLICIT,  /* Reph formed out of initial Ra,H,ZWJ sequence. */
@@ -293,14 +255,13 @@ enum blwf_mode_t {
 };
 struct indic_config_t
 {
-  reph_position_t reph_pos;
   reph_mode_t     reph_mode;
   blwf_mode_t     blwf_mode;
 };
 
 static const indic_config_t indic_configs[] =
 {
-  {REPH_POS_DONT_CARE,  REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
+  {REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
 };
 
 
@@ -590,119 +551,16 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   const khmer_shape_plan_t *khmer_plan = (const khmer_shape_plan_t *) plan->data;
   hb_glyph_info_t *info = buffer->info;
 
-  /* 1. Find base consonant:
-   *
-   * The shaping engine finds the base consonant of the syllable, using the
-   * following algorithm: starting from the end of the syllable, move backwards
-   * until a consonant is found that does not have a below-base or post-base
-   * form (post-base forms have to follow below-base forms), or that is not a
-   * pre-base-reordering Ra, or arrive at the first consonant. The consonant
-   * stopped at will be the base.
-   *
-   *   o If the syllable starts with Ra + Halant (in a script that has Reph)
-   *     and has more than one consonant, Ra is excluded from candidates for
-   *     base consonants.
-   */
+  /* 1. Khmer shaping assumes that a syllable will begin with a Cons, IndV, or Number. */
 
-  unsigned int base = end;
-  bool has_reph = false;
+  /* The first consonant is always the base. */
+  unsigned int base = start;
+  info[base].khmer_position() = POS_BASE_C;
 
-  {
-    /* -> If the syllable starts with Ra + Halant (in a script that has Reph)
-     *    and has more than one consonant, Ra is excluded from candidates for
-     *    base consonants. */
-    unsigned int limit = start;
-    if (khmer_plan->config->reph_pos != REPH_POS_DONT_CARE &&
-	khmer_plan->mask_array[RPHF] &&
-	start + 3 <= end &&
-	(
-	 (khmer_plan->config->reph_mode == REPH_MODE_IMPLICIT && !is_joiner (info[start + 2])) ||
-	 (khmer_plan->config->reph_mode == REPH_MODE_EXPLICIT && info[start + 2].khmer_category() == OT_ZWJ)
-	))
-    {
-      /* See if it matches the 'rphf' feature. */
-      hb_codepoint_t glyphs[3] = {info[start].codepoint,
-				  info[start + 1].codepoint,
-				  khmer_plan->config->reph_mode == REPH_MODE_EXPLICIT ?
-				    info[start + 2].codepoint : 0};
-      if (khmer_plan->rphf.would_substitute (glyphs, 2, face) ||
-	  (khmer_plan->config->reph_mode == REPH_MODE_EXPLICIT &&
-	   khmer_plan->rphf.would_substitute (glyphs, 3, face)))
-      {
-	limit += 2;
-	while (limit < end && is_joiner (info[limit]))
-	  limit++;
-	base = start;
-	has_reph = true;
-      }
-    } else if (khmer_plan->config->reph_mode == REPH_MODE_LOG_REPHA && info[start].khmer_category() == OT_Repha)
-    {
-	limit += 1;
-	while (limit < end && is_joiner (info[limit]))
-	  limit++;
-	base = start;
-	has_reph = true;
-    }
-
-    /* The first consonant is always the base. */
-    base = start;
-
-    /* Mark all subsequent consonants as below. */
-    for (unsigned int i = base + 1; i < end; i++)
-      if (is_consonant (info[i]))
-	info[i].khmer_position() = POS_BELOW_C;
-
-    /* -> If the syllable starts with Ra + Halant (in a script that has Reph)
-     *    and has more than one consonant, Ra is excluded from candidates for
-     *    base consonants.
-     *
-     *  Only do this for unforced Reph. (ie. not for Ra,H,ZWJ. */
-    if (has_reph && base == start && limit - base <= 2) {
-      /* Have no other consonant, so Reph is not formed and Ra becomes base. */
-      has_reph = false;
-    }
-  }
-
-
-  /* 2. Decompose and reorder Matras:
-   *
-   * Each matra and any syllable modifier sign in the syllable are moved to the
-   * appropriate position relative to the consonant(s) in the syllable. The
-   * shaping engine decomposes two- or three-part matras into their constituent
-   * parts before any repositioning. Matra characters are classified by which
-   * consonant in a conjunct they have affinity for and are reordered to the
-   * following positions:
-   *
-   *   o Before first half form in the syllable
-   *   o After subjoined consonants
-   *   o After post-form consonant
-   *   o After main consonant (for above marks)
-   *
-   * IMPLEMENTATION NOTES:
-   *
-   * The normalize() routine has already decomposed matras for us, so we don't
-   * need to worry about that.
-   */
-
-
-  /* 3.  Reorder marks to canonical order:
-   *
-   * Adjacent nukta and halant or nukta and vedic sign are always repositioned
-   * if necessary, so that the nukta is first.
-   *
-   * IMPLEMENTATION NOTES:
-   *
-   * We don't need to do this: the normalize() routine already did this for us.
-   */
-
-
-  /* Reorder characters */
-
-  for (unsigned int i = start; i < base; i++)
-    info[i].khmer_position() = MIN (POS_PRE_C, (khmer_position_t) info[i].khmer_position());
-
-  if (base < end)
-    info[base].khmer_position() = POS_BASE_C;
+  /* Mark all subsequent consonants as below. */
+  for (unsigned int i = base + 1; i < end; i++)
+    if (is_consonant (info[i]))
+      info[i].khmer_position() = POS_BELOW_C;
 
   /* Mark final consonants.  A final consonant is one appearing after a matra,
    * like in Khmer. */
@@ -716,10 +574,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
       break;
     }
 
-  /* Handle beginning Ra */
-  if (has_reph)
-    info[start].khmer_position() = POS_RA_TO_BECOME_REPH;
-
   /* Attach misc marks to previous char to move with them. */
   {
     khmer_position_t last_pos = POS_START;
@@ -766,7 +620,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
         last = i;
   }
 
-
   {
     /* Use syllable() for sort accounting temporarily. */
     unsigned int syllable = info[start].syllable();
@@ -811,20 +664,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   {
     hb_mask_t mask;
 
-    /* Reph */
-    for (unsigned int i = start; i < end && info[i].khmer_position() == POS_RA_TO_BECOME_REPH; i++)
-      info[i].mask |= khmer_plan->mask_array[RPHF];
-
-    /* Pre-base */
-    mask = khmer_plan->mask_array[HALF];
-    if (khmer_plan->config->blwf_mode == BLWF_MODE_PRE_AND_POST)
-      mask |= khmer_plan->mask_array[BLWF];
-    for (unsigned int i = start; i < base; i++)
-      info[i].mask  |= mask;
-    /* Base */
-    mask = 0;
-    if (base < end)
-      info[base].mask |= mask;
     /* Post-base */
     mask = khmer_plan->mask_array[BLWF] | khmer_plan->mask_array[ABVF] | khmer_plan->mask_array[PSTF];
     for (unsigned int i = base + 1; i < end; i++)
@@ -1138,158 +977,6 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
   }
 
 
-  /*   o Reorder reph:
-   *
-   *     Reph’s original position is always at the beginning of the syllable,
-   *     (i.e. it is not reordered at the character reordering stage). However,
-   *     it will be reordered according to the basic-forms shaping results.
-   *     Possible positions for reph, depending on the script, are; after main,
-   *     before post-base consonant forms, and after post-base consonant forms.
-   */
-
-  /* Two cases:
-   *
-   * - If repha is encoded as a sequence of characters (Ra,H or Ra,H,ZWJ), then
-   *   we should only move it if the sequence ligated to the repha form.
-   *
-   * - If repha is encoded separately and in the logical position, we should only
-   *   move it if it did NOT ligate.  If it ligated, it's probably the font trying
-   *   to make it work without the reordering.
-   */
-  if (start + 1 < end &&
-      info[start].khmer_position() == POS_RA_TO_BECOME_REPH &&
-      ((info[start].khmer_category() == OT_Repha) ^
-       _hb_glyph_info_ligated_and_didnt_multiply (&info[start])))
-  {
-    unsigned int new_reph_pos;
-    reph_position_t reph_pos = khmer_plan->config->reph_pos;
-
-    assert (reph_pos != REPH_POS_DONT_CARE);
-
-    /*       1. If reph should be positioned after post-base consonant forms,
-     *          proceed to step 5.
-     */
-    if (reph_pos == REPH_POS_AFTER_POST)
-    {
-      goto reph_step_5;
-    }
-
-    /*       2. If the reph repositioning class is not after post-base: target
-     *          position is after the first explicit halant glyph between the
-     *          first post-reph consonant and last main consonant. If ZWJ or ZWNJ
-     *          are following this halant, position is moved after it. If such
-     *          position is found, this is the target position. Otherwise,
-     *          proceed to the next step.
-     *
-     *          Note: in old-implementation fonts, where classifications were
-     *          fixed in shaping engine, there was no case where reph position
-     *          will be found on this step.
-     */
-    {
-      new_reph_pos = start + 1;
-      while (new_reph_pos < base && !is_coeng (info[new_reph_pos]))
-	new_reph_pos++;
-
-      if (new_reph_pos < base && is_coeng (info[new_reph_pos]))
-      {
-	/* ->If ZWJ or ZWNJ are following this halant, position is moved after it. */
-	if (new_reph_pos + 1 < base && is_joiner (info[new_reph_pos + 1]))
-	  new_reph_pos++;
-	goto reph_move;
-      }
-    }
-
-    /*       3. If reph should be repositioned after the main consonant: find the
-     *          first consonant not ligated with main, or find the first
-     *          consonant that is not a potential pre-base-reordering Ra.
-     */
-    if (reph_pos == REPH_POS_AFTER_MAIN)
-    {
-      new_reph_pos = base;
-      while (new_reph_pos + 1 < end && info[new_reph_pos + 1].khmer_position() <= POS_AFTER_MAIN)
-	new_reph_pos++;
-      if (new_reph_pos < end)
-        goto reph_move;
-    }
-
-    /*       4. If reph should be positioned before post-base consonant, find
-     *          first post-base classified consonant not ligated with main. If no
-     *          consonant is found, the target position should be before the
-     *          first matra, syllable modifier sign or vedic sign.
-     */
-    /* This is our take on what step 4 is trying to say (and failing, BADLY). */
-    if (reph_pos == REPH_POS_AFTER_SUB)
-    {
-      new_reph_pos = base;
-      while (new_reph_pos + 1 < end &&
-	     !( FLAG_UNSAFE (info[new_reph_pos + 1].khmer_position()) & (FLAG (POS_POST_C) | FLAG (POS_AFTER_POST) | FLAG (POS_SMVD))))
-	new_reph_pos++;
-      if (new_reph_pos < end)
-        goto reph_move;
-    }
-
-    /*       5. If no consonant is found in steps 3 or 4, move reph to a position
-     *          immediately before the first post-base matra, syllable modifier
-     *          sign or vedic sign that has a reordering class after the intended
-     *          reph position. For example, if the reordering position for reph
-     *          is post-main, it will skip above-base matras that also have a
-     *          post-main position.
-     */
-    reph_step_5:
-    {
-      /* Copied from step 2. */
-      new_reph_pos = start + 1;
-      while (new_reph_pos < base && !is_coeng (info[new_reph_pos]))
-	new_reph_pos++;
-
-      if (new_reph_pos < base && is_coeng (info[new_reph_pos]))
-      {
-	/* ->If ZWJ or ZWNJ are following this halant, position is moved after it. */
-	if (new_reph_pos + 1 < base && is_joiner (info[new_reph_pos + 1]))
-	  new_reph_pos++;
-	goto reph_move;
-      }
-    }
-
-    /*       6. Otherwise, reorder reph to the end of the syllable.
-     */
-    {
-      new_reph_pos = end - 1;
-      while (new_reph_pos > start && info[new_reph_pos].khmer_position() == POS_SMVD)
-	new_reph_pos--;
-
-      /*
-       * If the Reph is to be ending up after a Matra,Halant sequence,
-       * position it before that Halant so it can interact with the Matra.
-       * However, if it's a plain Consonant,Halant we shouldn't do that.
-       * Uniscribe doesn't do this.
-       * TEST: U+0930,U+094D,U+0915,U+094B,U+094D
-       */
-      if (!hb_options ().uniscribe_bug_compatible &&
-	  unlikely (is_coeng (info[new_reph_pos]))) {
-	for (unsigned int i = base + 1; i < new_reph_pos; i++)
-	  if (info[i].khmer_category() == OT_M) {
-	    /* Ok, got it. */
-	    new_reph_pos--;
-	  }
-      }
-      goto reph_move;
-    }
-
-    reph_move:
-    {
-      /* Move */
-      buffer->merge_clusters (start, new_reph_pos + 1);
-      hb_glyph_info_t reph = info[start];
-      memmove (&info[start], &info[start + 1], (new_reph_pos - start) * sizeof (info[0]));
-      info[new_reph_pos] = reph;
-
-      if (start < base && base <= new_reph_pos)
-	base--;
-    }
-  }
-
-
   /*   o Reorder pre-base-reordering consonants:
    *
    *     If a pre-base-reordering consonant is found, reorder it according to

From a119a8bce57abc440ae4c8b9a1342d428a7c9b6a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 16:02:27 +0000
Subject: [PATCH 0742/1326] [khmer] Remove indic_config->reph_mode

---
 src/hb-ot-shape-complex-khmer.cc | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 586bb3f2c..8b47fe64a 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -243,25 +243,18 @@ set_khmer_properties (hb_glyph_info_t &info)
  * instead of adding a new flag in these structs.
  */
 
-enum reph_mode_t {
-  REPH_MODE_IMPLICIT,  /* Reph formed out of initial Ra,H sequence. */
-  REPH_MODE_EXPLICIT,  /* Reph formed out of initial Ra,H,ZWJ sequence. */
-  REPH_MODE_VIS_REPHA, /* Encoded Repha character, no reordering needed. */
-  REPH_MODE_LOG_REPHA  /* Encoded Repha character, needs reordering. */
-};
 enum blwf_mode_t {
   BLWF_MODE_PRE_AND_POST, /* Below-forms feature applied to pre-base and post-base. */
   BLWF_MODE_POST_ONLY     /* Below-forms feature applied to post-base only. */
 };
 struct indic_config_t
 {
-  reph_mode_t     reph_mode;
   blwf_mode_t     blwf_mode;
 };
 
 static const indic_config_t indic_configs[] =
 {
-  {REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
+  {BLWF_MODE_PRE_AND_POST},
 };
 
 

From f8553c898a414298403c335f8d2ed6c588a1189f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 16:04:02 +0000
Subject: [PATCH 0743/1326] [khmer] Remove indic_config_t

---
 src/hb-ot-shape-complex-khmer.cc | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 8b47fe64a..ab9d94099 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -235,30 +235,6 @@ set_khmer_properties (hb_glyph_info_t &info)
  */
 
 
-/*
- * Indic configurations.  Note that we do not want to keep every single script-specific
- * behavior in these tables necessarily.  This should mainly be used for per-script
- * properties that are cheaper keeping here, than in the code.  Ie. if, say, one and
- * only one script has an exception, that one script can be if'ed directly in the code,
- * instead of adding a new flag in these structs.
- */
-
-enum blwf_mode_t {
-  BLWF_MODE_PRE_AND_POST, /* Below-forms feature applied to pre-base and post-base. */
-  BLWF_MODE_POST_ONLY     /* Below-forms feature applied to post-base only. */
-};
-struct indic_config_t
-{
-  blwf_mode_t     blwf_mode;
-};
-
-static const indic_config_t indic_configs[] =
-{
-  {BLWF_MODE_PRE_AND_POST},
-};
-
-
-
 /*
  * Indic shaper.
  */
@@ -446,8 +422,6 @@ struct khmer_shape_plan_t
     return glyph != 0;
   }
 
-  const indic_config_t *config;
-
   mutable hb_codepoint_t virama_glyph;
 
   would_substitute_feature_t rphf;
@@ -463,8 +437,6 @@ data_create_khmer (const hb_ot_shape_plan_t *plan)
   if (unlikely (!khmer_plan))
     return nullptr;
 
-  khmer_plan->config = &indic_configs[0];
-
   khmer_plan->virama_glyph = (hb_codepoint_t) -1;
 
   khmer_plan->rphf.init (&plan->map, HB_TAG('r','p','h','f'), true);

From 238b90e77c12674edfd2e03160b8ba2a0298b79d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 16:06:53 +0000
Subject: [PATCH 0744/1326] [khmer] Remove non-Khmer matra positioning code

---
 src/hb-ot-shape-complex-khmer.cc | 76 +++++---------------------------
 1 file changed, 12 insertions(+), 64 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index ab9d94099..3fbe74c44 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -40,74 +40,22 @@ typedef indic_category_t khmer_category_t;
 typedef indic_position_t khmer_position_t;
 
 
-#define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
-
-#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x0900u))
-#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x0980u))
-#define IS_GURU(u) (IN_HALF_BLOCK (u, 0x0A00u))
-#define IS_GUJR(u) (IN_HALF_BLOCK (u, 0x0A80u))
-#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0x0B00u))
-#define IS_TAML(u) (IN_HALF_BLOCK (u, 0x0B80u))
-#define IS_TELU(u) (IN_HALF_BLOCK (u, 0x0C00u))
-#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
-#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
-#define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
-#define IS_KHMR(u) (IN_HALF_BLOCK (u, 0x1780u))
-
-
-#define MATRA_POS_LEFT(u)	POS_PRE_M
-#define MATRA_POS_RIGHT(u)	( \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_BENG(u) ? POS_AFTER_POST : \
-				  IS_GURU(u) ? POS_AFTER_POST : \
-				  IS_GUJR(u) ? POS_AFTER_POST : \
-				  IS_ORYA(u) ? POS_AFTER_POST : \
-				  IS_TAML(u) ? POS_AFTER_POST : \
-				  IS_TELU(u) ? (u <= 0x0C42u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
-				  IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
-				  IS_MLYM(u) ? POS_AFTER_POST : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  IS_KHMR(u) ? POS_AFTER_POST : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-#define MATRA_POS_TOP(u)	( /* BENG and MLYM don't have top matras. */ \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_GURU(u) ? POS_AFTER_POST : /* Deviate from spec */ \
-				  IS_GUJR(u) ? POS_AFTER_SUB  : \
-				  IS_ORYA(u) ? POS_AFTER_MAIN : \
-				  IS_TAML(u) ? POS_AFTER_SUB  : \
-				  IS_TELU(u) ? POS_BEFORE_SUB : \
-				  IS_KNDA(u) ? POS_BEFORE_SUB : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  IS_KHMR(u) ? POS_AFTER_POST : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-#define MATRA_POS_BOTTOM(u)	( \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_BENG(u) ? POS_AFTER_SUB  : \
-				  IS_GURU(u) ? POS_AFTER_POST : \
-				  IS_GUJR(u) ? POS_AFTER_POST : \
-				  IS_ORYA(u) ? POS_AFTER_SUB  : \
-				  IS_TAML(u) ? POS_AFTER_POST : \
-				  IS_TELU(u) ? POS_BEFORE_SUB : \
-				  IS_KNDA(u) ? POS_BEFORE_SUB : \
-				  IS_MLYM(u) ? POS_AFTER_POST : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  IS_KHMR(u) ? POS_AFTER_POST : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-
 static inline khmer_position_t
-matra_position (hb_codepoint_t u, khmer_position_t side)
+matra_position (khmer_position_t side)
 {
   switch ((int) side)
   {
-    case POS_PRE_C:	return MATRA_POS_LEFT (u);
-    case POS_POST_C:	return MATRA_POS_RIGHT (u);
-    case POS_ABOVE_C:	return MATRA_POS_TOP (u);
-    case POS_BELOW_C:	return MATRA_POS_BOTTOM (u);
+    case POS_PRE_C:
+      return POS_PRE_M;
+
+    case POS_POST_C:
+    case POS_ABOVE_C:
+    case POS_BELOW_C:
+      return POS_AFTER_POST;
+
+    default:
+      return side;
   };
-  return side;
 }
 
 static inline bool
@@ -215,7 +163,7 @@ set_khmer_properties (hb_glyph_info_t &info)
   }
   else if (cat == OT_M)
   {
-    pos = matra_position (u, pos);
+    pos = matra_position (pos);
   }
   else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_VD) | FLAG (OT_A) | FLAG (OT_Symbol))))
   {

From 92a99ce084b19dff32d434de446144f0c4796803 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 16:08:44 +0000
Subject: [PATCH 0745/1326] [khmer] Remove rphf feature

---
 src/hb-ot-shape-complex-khmer.cc | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 3fbe74c44..262e394b4 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -372,7 +372,6 @@ struct khmer_shape_plan_t
 
   mutable hb_codepoint_t virama_glyph;
 
-  would_substitute_feature_t rphf;
   would_substitute_feature_t pref;
 
   hb_mask_t mask_array[INDIC_NUM_FEATURES];
@@ -387,7 +386,6 @@ data_create_khmer (const hb_ot_shape_plan_t *plan)
 
   khmer_plan->virama_glyph = (hb_codepoint_t) -1;
 
-  khmer_plan->rphf.init (&plan->map, HB_TAG('r','p','h','f'), true);
   khmer_plan->pref.init (&plan->map, HB_TAG('p','r','e','f'), true);
 
   for (unsigned int i = 0; i < ARRAY_LENGTH (khmer_plan->mask_array); i++)

From bfad6ab897a38aedc82de694ee1a17132f90b25e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 16:13:09 +0000
Subject: [PATCH 0746/1326] [khmer] Remove features not used by Khmer

---
 src/hb-ot-shape-complex-khmer.cc | 60 +++-----------------------------
 1 file changed, 5 insertions(+), 55 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 262e394b4..2374d22bd 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -199,17 +199,10 @@ khmer_features[] =
    * Basic features.
    * These features are applied in order, one at a time, after initial_reordering.
    */
-  {HB_TAG('n','u','k','t'), F_GLOBAL},
-  {HB_TAG('a','k','h','n'), F_GLOBAL},
-  {HB_TAG('r','p','h','f'), F_NONE},
-  {HB_TAG('r','k','r','f'), F_GLOBAL},
   {HB_TAG('p','r','e','f'), F_NONE},
   {HB_TAG('b','l','w','f'), F_NONE},
   {HB_TAG('a','b','v','f'), F_NONE},
-  {HB_TAG('h','a','l','f'), F_NONE},
   {HB_TAG('p','s','t','f'), F_NONE},
-  {HB_TAG('v','a','t','u'), F_GLOBAL},
-  {HB_TAG('c','j','c','t'), F_GLOBAL},
   {HB_TAG('c','f','a','r'), F_NONE},
   /*
    * Other features.
@@ -217,12 +210,10 @@ khmer_features[] =
    * Default Bengali font in Windows for example has intermixed
    * lookups for init,pres,abvs,blws features.
    */
-  {HB_TAG('i','n','i','t'), F_NONE},
   {HB_TAG('p','r','e','s'), F_GLOBAL},
   {HB_TAG('a','b','v','s'), F_GLOBAL},
   {HB_TAG('b','l','w','s'), F_GLOBAL},
   {HB_TAG('p','s','t','s'), F_GLOBAL},
-  {HB_TAG('h','a','l','n'), F_GLOBAL},
   /* Positioning features, though we don't care about the types. */
   {HB_TAG('d','i','s','t'), F_GLOBAL},
   {HB_TAG('a','b','v','m'), F_GLOBAL},
@@ -233,31 +224,22 @@ khmer_features[] =
  * Must be in the same order as the khmer_features array.
  */
 enum {
-  _NUKT,
-  _AKHN,
-  RPHF,
-  _RKRF,
   PREF,
   BLWF,
   ABVF,
-  HALF,
   PSTF,
-  _VATU,
-  _CJCT,
   CFAR,
 
-  INIT,
   _PRES,
   _ABVS,
   _BLWS,
   _PSTS,
-  _HALN,
   _DIST,
   _ABVM,
   _BLWM,
 
-  INDIC_NUM_FEATURES,
-  INDIC_BASIC_FEATURES = INIT /* Don't forget to update this! */
+  KHMER_NUM_FEATURES,
+  KHMER_BASIC_FEATURES = _PRES /* Don't forget to update this! */
 };
 
 static void
@@ -293,12 +275,12 @@ collect_features_khmer (hb_ot_shape_planner_t *plan)
 
   unsigned int i = 0;
   map->add_gsub_pause (initial_reordering);
-  for (; i < INDIC_BASIC_FEATURES; i++) {
+  for (; i < KHMER_BASIC_FEATURES; i++) {
     map->add_feature (khmer_features[i].tag, 1, khmer_features[i].flags | F_MANUAL_ZWJ | F_MANUAL_ZWNJ);
     map->add_gsub_pause (nullptr);
   }
   map->add_gsub_pause (final_reordering);
-  for (; i < INDIC_NUM_FEATURES; i++) {
+  for (; i < KHMER_NUM_FEATURES; i++) {
     map->add_feature (khmer_features[i].tag, 1, khmer_features[i].flags | F_MANUAL_ZWJ | F_MANUAL_ZWNJ);
   }
 
@@ -374,7 +356,7 @@ struct khmer_shape_plan_t
 
   would_substitute_feature_t pref;
 
-  hb_mask_t mask_array[INDIC_NUM_FEATURES];
+  hb_mask_t mask_array[KHMER_NUM_FEATURES];
 };
 
 static void *
@@ -608,26 +590,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
       }
     }
   }
-
-  /* Apply ZWJ/ZWNJ effects */
-  for (unsigned int i = start + 1; i < end; i++)
-    if (is_joiner (info[i])) {
-      bool non_joiner = info[i].khmer_category() == OT_ZWNJ;
-      unsigned int j = i;
-
-      do {
-	j--;
-
-	/* ZWJ/ZWNJ should disable CJCT.  They do that by simply
-	 * being there, since we don't skip them for the CJCT
-	 * feature (ie. F_MANUAL_ZWJ) */
-
-	/* A ZWNJ disables HALF. */
-	if (non_joiner)
-	  info[j].mask &= ~khmer_plan->mask_array[HALF];
-
-      } while (j > start && !is_consonant (info[j]));
-    }
 }
 
 static void
@@ -960,18 +922,6 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
   }
 
 
-  /* Apply 'init' to the Left Matra if it's a word start. */
-  if (info[start].khmer_position () == POS_PRE_M)
-  {
-    if (!start ||
-	!(FLAG_UNSAFE (_hb_glyph_info_get_general_category (&info[start - 1])) &
-	 FLAG_RANGE (HB_UNICODE_GENERAL_CATEGORY_FORMAT, HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))
-      info[start].mask |= khmer_plan->mask_array[INIT];
-    else
-      buffer->unsafe_to_break (start - 1, start + 1);
-  }
-
-
   /*
    * Finish off the clusters and go home!
    */

From 9eaf077ded0306d492de96b223133431f1a6d42b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 16:28:00 +0000
Subject: [PATCH 0747/1326] [khmer] Remove some more unused code

---
 src/hb-ot-shape-complex-khmer.cc | 49 ++------------------------------
 1 file changed, 2 insertions(+), 47 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 2374d22bd..56fb30a21 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -97,30 +97,7 @@ set_khmer_properties (hb_glyph_info_t &info)
    * Re-assign category
    */
 
-  /* The following act more like the Bindus. */
-  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
-    cat = OT_SM;
-  /* The following act like consonants. */
-  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
-				      0x1CF5u, 0x1CF6u)))
-    cat = OT_C;
-  /* TODO: The following should only be allowed after a Visarga.
-   * For now, just treat them like regular tone marks. */
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
-    cat = OT_A;
-  /* TODO: The following should only be allowed after some of
-   * the nasalization marks, maybe only for U+1CE9..U+1CF1.
-   * For now, just treat them like tone marks. */
-  else if (unlikely (u == 0x1CEDu))
-    cat = OT_A;
-  /* The following take marks in standalone clusters, similar to Avagraha. */
-  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
-				      0x1CE9u, 0x1CECu,
-				      0x1CEEu, 0x1CF1u)))
-  {
-    cat = OT_Symbol;
-    static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
-  }
+  if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
   else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
 		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
   {
@@ -129,25 +106,7 @@ set_khmer_properties (hb_glyph_info_t &info)
     cat = OT_M;
     pos = POS_ABOVE_C;
   }
-  else if (unlikely (u == 0x0A51u))
-  {
-    /* https://github.com/harfbuzz/harfbuzz/issues/524 */
-    cat = OT_M;
-    pos = POS_BELOW_C;
-  }
-
-  /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
-   * so the Indic shaper needs to know their categories. */
-  else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
-  else if (unlikely (u == 0x1133cu)) cat = OT_N;
-
-  else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
-
-  else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
-  else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
-  else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
-				    cat = OT_PLACEHOLDER;
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u))) cat = OT_PLACEHOLDER;
   else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
 
 
@@ -170,10 +129,6 @@ set_khmer_properties (hb_glyph_info_t &info)
     pos = POS_SMVD;
   }
 
-  if (unlikely (u == 0x0B01u)) pos = POS_BEFORE_SUB; /* Oriya Bindu is BeforeSub in the spec. */
-
-
-
   info.khmer_category() = cat;
   info.khmer_position() = pos;
 }

From 1471cfee3bb2734dc44c58471362851ad27e8bd8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 16:34:20 +0000
Subject: [PATCH 0748/1326] [khmer] Allow a dangling final Coeng after matras

Uniscribe seems to allow that.  New numbers:

KHMER: 299080 out of 299124 tests passed. 44 failed (0.0147096%)
---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index c187e9347..e0c765c43 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -73,7 +73,7 @@ place_holder = PLACEHOLDER | DOTTEDCIRCLE;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
 final_halant_group = halant_group | Coeng.ZWNJ;
 medial_group = CM?;
-halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
+halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V)?)?;
 
 
 consonant_syllable =	(Repha|CS)? (cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;

From 0d3a274de1ff8e6a21c7c9857730e2eda402e310 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:01:37 +0000
Subject: [PATCH 0749/1326] [khmer] Remove forced_rakar from grammar

Used by Sinhala only.
---
 src/hb-ot-shape-complex-khmer-machine.rl | 3 +--
 src/hb-ot-shape-complex-khmer.cc         | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index e0c765c43..77f20a5dc 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -65,9 +65,8 @@ z = ZWJ|ZWNJ;			# is_joiner
 reph = (Ra H | Repha);		# possible reph
 
 cn = c.ZWJ?.n?;
-forced_rakar = ZWJ H ZWJ Ra;
 symbol = Symbol.N?;
-matra_group = z{0,3}.M.N?.(H | forced_rakar)?;
+matra_group = z{0,3}.M.N?.H?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
 place_holder = PLACEHOLDER | DOTTEDCIRCLE;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 56fb30a21..1d42e4691 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -139,7 +139,7 @@ set_khmer_properties (hb_glyph_info_t &info)
 
 
 /*
- * Indic shaper.
+ * Khmer shaper.
  */
 
 struct feature_list_t {

From e3fdf1fc2f399e6b79ea022501526a422d372e64 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:05:53 +0000
Subject: [PATCH 0750/1326] [khmer] Remove reph/repha support from grammar

---
 src/hb-ot-shape-complex-khmer-machine.rl | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 77f20a5dc..765aadcfe 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -42,7 +42,6 @@ X    = 0;
 C    = 1;
 V    = 2;
 N    = 3;
-H    = 4;
 ZWNJ = 5;
 ZWJ  = 6;
 M    = 7;
@@ -53,16 +52,13 @@ PLACEHOLDER = 11;
 DOTTEDCIRCLE = 12;
 RS    = 13;
 Coeng = 14;
-Repha = 15;
 Ra    = 16;
 CM    = 17;
 Symbol= 18;
-CS    = 19;
 
 c = (C | Ra);			# is_consonant
 n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
 z = ZWJ|ZWNJ;			# is_joiner
-reph = (Ra H | Repha);		# possible reph
 
 cn = c.ZWJ?.n?;
 symbol = Symbol.N?;
@@ -75,11 +71,11 @@ medial_group = CM?;
 halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V)?)?;
 
 
-consonant_syllable =	(Repha|CS)? (cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
-vowel_syllable =	reph? V.n? (ZWJ | (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail);
-standalone_cluster =	((Repha|CS)? PLACEHOLDER | reph? DOTTEDCIRCLE).n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
+consonant_syllable =	(cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
+vowel_syllable =	V.n? (ZWJ | (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail);
+standalone_cluster =	(PLACEHOLDER | DOTTEDCIRCLE).n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
 symbol_cluster = 	symbol syllable_tail;
-broken_cluster =	reph? n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
+broken_cluster =	n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
 other =			any;
 
 main := |*

From c265dffdf6c4930e271292226d38a8e515b6b0f8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:06:29 +0000
Subject: [PATCH 0751/1326] [khmer] Better fix for dangling final Coeng

This is how 1471cfee3bb2734dc44c58471362851ad27e8bd8 should have
been done.
---
 src/hb-ot-shape-complex-khmer-machine.rl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 765aadcfe..c63859330 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -62,13 +62,13 @@ z = ZWJ|ZWNJ;			# is_joiner
 
 cn = c.ZWJ?.n?;
 symbol = Symbol.N?;
-matra_group = z{0,3}.M.N?.H?;
+matra_group = z{0,3}.M.N?.Coeng?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
 place_holder = PLACEHOLDER | DOTTEDCIRCLE;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
 final_halant_group = halant_group | Coeng.ZWNJ;
 medial_group = CM?;
-halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V)?)?;
+halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
 
 
 consonant_syllable =	(cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;

From 185b68946ad67443e8725e77d724128802de5572 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:14:27 +0000
Subject: [PATCH 0752/1326] [khmer] Remove medials from grammar

---
 src/hb-ot-shape-complex-khmer-machine.rl | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index c63859330..094a82928 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -53,7 +53,6 @@ DOTTEDCIRCLE = 12;
 RS    = 13;
 Coeng = 14;
 Ra    = 16;
-CM    = 17;
 Symbol= 18;
 
 c = (C | Ra);			# is_consonant
@@ -67,15 +66,14 @@ syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
 place_holder = PLACEHOLDER | DOTTEDCIRCLE;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
 final_halant_group = halant_group | Coeng.ZWNJ;
-medial_group = CM?;
 halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
 
 
-consonant_syllable =	(cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
-vowel_syllable =	V.n? (ZWJ | (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail);
-standalone_cluster =	(PLACEHOLDER | DOTTEDCIRCLE).n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
+consonant_syllable =	(cn.halant_group){0,4} cn halant_or_matra_group syllable_tail;
+vowel_syllable =	V.n? (ZWJ | (halant_group.cn){0,4} halant_or_matra_group syllable_tail);
+standalone_cluster =	(PLACEHOLDER | DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
 symbol_cluster = 	symbol syllable_tail;
-broken_cluster =	n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
+broken_cluster =	n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
 other =			any;
 
 main := |*

From bbac984b9390a66c6ae5ee931b278b607f2f2a50 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:15:31 +0000
Subject: [PATCH 0753/1326] Minor

---
 src/hb-ot-shape-complex-indic-machine.rl | 1 -
 src/hb-ot-shape-complex-khmer-machine.rl | 1 -
 2 files changed, 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index e6643a1a5..42a8847ea 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -68,7 +68,6 @@ forced_rakar = ZWJ H ZWJ Ra;
 symbol = Symbol.N?;
 matra_group = z{0,3}.M.N?.(H | forced_rakar)?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
-place_holder = PLACEHOLDER | DOTTEDCIRCLE;
 halant_group = (z?.H.(ZWJ.N?)?);
 final_halant_group = halant_group | H.ZWNJ;
 medial_group = CM?;
diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 094a82928..33908734d 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -63,7 +63,6 @@ cn = c.ZWJ?.n?;
 symbol = Symbol.N?;
 matra_group = z{0,3}.M.N?.Coeng?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
-place_holder = PLACEHOLDER | DOTTEDCIRCLE;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
 final_halant_group = halant_group | Coeng.ZWNJ;
 halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;

From 014494d5c0469fe6b3112db3fdb3f2f262673ba1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:17:02 +0000
Subject: [PATCH 0754/1326] [khmer] Remove unused symbol clusters

---
 src/hb-ot-shape-complex-khmer-machine.rl | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 33908734d..d29edc003 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -53,14 +53,12 @@ DOTTEDCIRCLE = 12;
 RS    = 13;
 Coeng = 14;
 Ra    = 16;
-Symbol= 18;
 
 c = (C | Ra);			# is_consonant
 n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
 z = ZWJ|ZWNJ;			# is_joiner
 
 cn = c.ZWJ?.n?;
-symbol = Symbol.N?;
 matra_group = z{0,3}.M.N?.Coeng?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
 halant_group = (z?.Coeng.(ZWJ.N?)?);
@@ -71,7 +69,6 @@ halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Co
 consonant_syllable =	(cn.halant_group){0,4} cn halant_or_matra_group syllable_tail;
 vowel_syllable =	V.n? (ZWJ | (halant_group.cn){0,4} halant_or_matra_group syllable_tail);
 standalone_cluster =	(PLACEHOLDER | DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
-symbol_cluster = 	symbol syllable_tail;
 broken_cluster =	n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
 other =			any;
 
@@ -79,7 +76,6 @@ main := |*
 	consonant_syllable	=> { found_syllable (consonant_syllable); };
 	vowel_syllable		=> { found_syllable (vowel_syllable); };
 	standalone_cluster	=> { found_syllable (standalone_cluster); };
-	symbol_cluster		=> { found_syllable (symbol_cluster); };
 	broken_cluster		=> { found_syllable (broken_cluster); };
 	other			=> { found_syllable (non_khmer_cluster); };
 *|;

From e6618f3bdf79a51f6fb270b468b653dc9cea5b57 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:21:55 +0000
Subject: [PATCH 0755/1326] [khmer] Shave off some more from the grammar

---
 src/hb-ot-shape-complex-khmer-machine.rl |  9 ++-----
 src/hb-ot-shape-complex-khmer.cc         | 34 ++----------------------
 2 files changed, 4 insertions(+), 39 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index d29edc003..7b9551ae5 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -46,7 +46,6 @@ ZWNJ = 5;
 ZWJ  = 6;
 M    = 7;
 SM   = 8;
-VD   = 9;
 A    = 10;
 PLACEHOLDER = 11;
 DOTTEDCIRCLE = 12;
@@ -60,22 +59,18 @@ z = ZWJ|ZWNJ;			# is_joiner
 
 cn = c.ZWJ?.n?;
 matra_group = z{0,3}.M.N?.Coeng?;
-syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
+syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}?;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
 final_halant_group = halant_group | Coeng.ZWNJ;
 halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
 
 
-consonant_syllable =	(cn.halant_group){0,4} cn halant_or_matra_group syllable_tail;
-vowel_syllable =	V.n? (ZWJ | (halant_group.cn){0,4} halant_or_matra_group syllable_tail);
-standalone_cluster =	(PLACEHOLDER | DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
+consonant_syllable =	(c|V|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
 broken_cluster =	n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
 other =			any;
 
 main := |*
 	consonant_syllable	=> { found_syllable (consonant_syllable); };
-	vowel_syllable		=> { found_syllable (vowel_syllable); };
-	standalone_cluster	=> { found_syllable (standalone_cluster); };
 	broken_cluster		=> { found_syllable (broken_cluster); };
 	other			=> { found_syllable (non_khmer_cluster); };
 *|;
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 1d42e4691..be02bc0a2 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -124,7 +124,7 @@ set_khmer_properties (hb_glyph_info_t &info)
   {
     pos = matra_position (pos);
   }
-  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_VD) | FLAG (OT_A) | FLAG (OT_Symbol))))
+  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_A) | FLAG (OT_Symbol))))
   {
     pos = POS_SMVD;
   }
@@ -341,9 +341,6 @@ data_destroy_khmer (void *data)
 
 enum syllable_type_t {
   consonant_syllable,
-  vowel_syllable,
-  standalone_cluster,
-  symbol_cluster,
   broken_cluster,
   non_khmer_cluster,
 };
@@ -547,27 +544,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   }
 }
 
-static void
-initial_reordering_standalone_cluster (const hb_ot_shape_plan_t *plan,
-				       hb_face_t *face,
-				       hb_buffer_t *buffer,
-				       unsigned int start, unsigned int end)
-{
-  /* We treat placeholder/dotted-circle as if they are consonants, so we
-   * should just chain.  Only if not in compatibility mode that is... */
-
-  if (hb_options ().uniscribe_bug_compatible)
-  {
-    /* For dotted-circle, this is what Uniscribe does:
-     * If dotted-circle is the last glyph, it just does nothing.
-     * Ie. It doesn't form Reph. */
-    if (buffer->info[end - 1].khmer_category() == OT_DOTTEDCIRCLE)
-      return;
-  }
-
-  initial_reordering_consonant_syllable (plan, face, buffer, start, end);
-}
-
 static void
 initial_reordering_syllable (const hb_ot_shape_plan_t *plan,
 			     hb_face_t *face,
@@ -577,17 +553,11 @@ initial_reordering_syllable (const hb_ot_shape_plan_t *plan,
   syllable_type_t syllable_type = (syllable_type_t) (buffer->info[start].syllable() & 0x0F);
   switch (syllable_type)
   {
-    case vowel_syllable: /* We made the vowels look like consonants.  So let's call the consonant logic! */
+    case broken_cluster: /* We already inserted dotted-circles, so just call the consonant_syllable. */
     case consonant_syllable:
      initial_reordering_consonant_syllable (plan, face, buffer, start, end);
      break;
 
-    case broken_cluster: /* We already inserted dotted-circles, so just call the standalone_cluster. */
-    case standalone_cluster:
-     initial_reordering_standalone_cluster (plan, face, buffer, start, end);
-     break;
-
-    case symbol_cluster:
     case non_khmer_cluster:
       break;
   }

From f6df2515210e9d828fc40173696b185efa5083e3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:27:48 +0000
Subject: [PATCH 0756/1326] [indic] Remove unused OT_VD category

---
 src/hb-ot-shape-complex-indic-machine.rl | 3 +--
 src/hb-ot-shape-complex-indic-private.hh | 2 +-
 src/hb-ot-shape-complex-indic.cc         | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index 42a8847ea..8e887b890 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -47,7 +47,6 @@ ZWNJ = 5;
 ZWJ  = 6;
 M    = 7;
 SM   = 8;
-VD   = 9;
 A    = 10;
 PLACEHOLDER = 11;
 DOTTEDCIRCLE = 12;
@@ -67,7 +66,7 @@ cn = c.ZWJ?.n?;
 forced_rakar = ZWJ H ZWJ Ra;
 symbol = Symbol.N?;
 matra_group = z{0,3}.M.N?.(H | forced_rakar)?;
-syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}? VD{0,2};
+syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}?;
 halant_group = (z?.H.(ZWJ.N?)?);
 final_halant_group = halant_group | H.ZWNJ;
 medial_group = CM?;
diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index ee40eef0f..a64e9d039 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -51,7 +51,7 @@ enum indic_category_t {
   OT_ZWJ = 6,
   OT_M = 7,
   OT_SM = 8,
-  OT_VD = 9,
+  /* OT_VD = 9, UNUSED; we use OT_A instead. */
   OT_A = 10,
   OT_PLACEHOLDER = 11,
   OT_DOTTEDCIRCLE = 12,
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 6b3d079b6..9d150e0d3 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -229,7 +229,7 @@ set_indic_properties (hb_glyph_info_t &info)
   {
     pos = matra_position (u, pos);
   }
-  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_VD) | FLAG (OT_A) | FLAG (OT_Symbol))))
+  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) /* | FLAG (OT_VD) */ | FLAG (OT_A) | FLAG (OT_Symbol))))
   {
     pos = POS_SMVD;
   }

From bbfdbbdc5eca96e8c527147e5a78cd185b9f243d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:34:26 +0000
Subject: [PATCH 0757/1326] Minor

---
 src/hb-ot-shape-complex-indic-machine.rl | 1 -
 src/hb-ot-shape-complex-khmer-machine.rl | 1 -
 2 files changed, 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index 8e887b890..0ea91c0cf 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -38,7 +38,6 @@
 %%{
 
 # Same order as enum indic_category_t.  Not sure how to avoid duplication.
-X    = 0;
 C    = 1;
 V    = 2;
 N    = 3;
diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 7b9551ae5..aa70db044 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -38,7 +38,6 @@
 %%{
 
 # Same order as enum khmer_category_t.  Not sure how to avoid duplication.
-X    = 0;
 C    = 1;
 V    = 2;
 N    = 3;

From 957e8ea8a9f981775ecde7dd1e2bf4023cf79dba Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:43:31 +0000
Subject: [PATCH 0758/1326] [khmer] Drop final_halant_group

---
 src/hb-ot-shape-complex-khmer-machine.rl | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index aa70db044..f9790d56b 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -60,8 +60,7 @@ cn = c.ZWJ?.n?;
 matra_group = z{0,3}.M.N?.Coeng?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}?;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
-final_halant_group = halant_group | Coeng.ZWNJ;
-halant_or_matra_group = (final_halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
+halant_or_matra_group = (halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
 
 
 consonant_syllable =	(c|V|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;

From 82e6bf8e0c27d2fd16a908eed0c73e95b1a2c0f5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:44:18 +0000
Subject: [PATCH 0759/1326] [khmer] Drop some more from grammar

---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index f9790d56b..3487cebfb 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -60,7 +60,7 @@ cn = c.ZWJ?.n?;
 matra_group = z{0,3}.M.N?.Coeng?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}?;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
-halant_or_matra_group = (halant_group | (Coeng.ZWJ)? matra_group{0,4}) (Coeng (cn|V))?;
+halant_or_matra_group = (halant_group | matra_group{0,4}) (Coeng (cn|V))?;
 
 
 consonant_syllable =	(c|V|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;

From efefd87f3354d0ae6f599ea30672cb0b74dfcd80 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:45:48 +0000
Subject: [PATCH 0760/1326] [khmer] Drop some more grammar

---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 3487cebfb..0c51a7c5b 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -60,7 +60,7 @@ cn = c.ZWJ?.n?;
 matra_group = z{0,3}.M.N?.Coeng?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}?;
 halant_group = (z?.Coeng.(ZWJ.N?)?);
-halant_or_matra_group = (halant_group | matra_group{0,4}) (Coeng (cn|V))?;
+halant_or_matra_group = (matra_group{0,4}) (Coeng (cn|V))?;
 
 
 consonant_syllable =	(c|V|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;

From 5278265853c36400ffc284fd517cc7b7c42ed0e7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:46:49 +0000
Subject: [PATCH 0761/1326] [khmer] Drop some more

---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 0c51a7c5b..c6e5a4858 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -59,7 +59,7 @@ z = ZWJ|ZWNJ;			# is_joiner
 cn = c.ZWJ?.n?;
 matra_group = z{0,3}.M.N?.Coeng?;
 syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}?;
-halant_group = (z?.Coeng.(ZWJ.N?)?);
+halant_group = Coeng;
 halant_or_matra_group = (matra_group{0,4}) (Coeng (cn|V))?;
 
 

From 9bd486c480b8fd3125ef6b6cc0442a566f669cb8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:47:35 +0000
Subject: [PATCH 0762/1326] [khmer] Drop some more joiners

---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index c6e5a4858..70b06decb 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -58,7 +58,7 @@ z = ZWJ|ZWNJ;			# is_joiner
 
 cn = c.ZWJ?.n?;
 matra_group = z{0,3}.M.N?.Coeng?;
-syllable_tail = (z?.SM.SM?.ZWNJ?)? A{0,3}?;
+syllable_tail = (SM.SM?)? A{0,3}?;
 halant_group = Coeng;
 halant_or_matra_group = (matra_group{0,4}) (Coeng (cn|V))?;
 

From 80c870bcda2f421e80f5579e71fe17fe8db991b8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:52:24 +0000
Subject: [PATCH 0763/1326] [khmer] Allow Independent Vowels where stacked
 consonants are allowed

New numbers (down from 44):

KHMER: 299085 out of 299124 tests passed. 39 failed (0.0130381%)
---
 src/hb-ot-shape-complex-khmer-machine.rl | 4 ++--
 src/hb-ot-shape-complex-khmer.cc         | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 70b06decb..f3557b152 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -52,7 +52,7 @@ RS    = 13;
 Coeng = 14;
 Ra    = 16;
 
-c = (C | Ra);			# is_consonant
+c = (C | Ra | V);		# is_consonant
 n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
 z = ZWJ|ZWNJ;			# is_joiner
 
@@ -63,7 +63,7 @@ halant_group = Coeng;
 halant_or_matra_group = (matra_group{0,4}) (Coeng (cn|V))?;
 
 
-consonant_syllable =	(c|V|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
+consonant_syllable =	(c|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
 broken_cluster =	n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
 other =			any;
 
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index be02bc0a2..2db4f6097 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -75,7 +75,7 @@ is_joiner (const hb_glyph_info_t &info)
 static inline bool
 is_consonant (const hb_glyph_info_t &info)
 {
-  return is_one_of (info, CONSONANT_FLAGS);
+  return is_one_of (info, CONSONANT_FLAGS | FLAG (OT_V));
 }
 
 static inline bool

From 574e42e1cf6679c8df065d6bb3e8d21bc82395c1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:57:39 +0000
Subject: [PATCH 0764/1326] [khmer] Relax number of consonants / matras allowed

New numbers (down from 39):

KHMER: 299086 out of 299124 tests passed. 38 failed (0.0127038%)
---
 src/hb-ot-shape-complex-khmer-machine.rl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index f3557b152..ab3d95d17 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -60,11 +60,11 @@ cn = c.ZWJ?.n?;
 matra_group = z{0,3}.M.N?.Coeng?;
 syllable_tail = (SM.SM?)? A{0,3}?;
 halant_group = Coeng;
-halant_or_matra_group = (matra_group{0,4}) (Coeng (cn|V))?;
+halant_or_matra_group = (matra_group*) (Coeng (cn|V))?;
 
 
-consonant_syllable =	(c|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
-broken_cluster =	n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
+consonant_syllable =	(c|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn)* halant_or_matra_group syllable_tail;
+broken_cluster =	n? (halant_group.cn)* halant_or_matra_group syllable_tail;
 other =			any;
 
 main := |*

From a71c7eb2ca9f8ba90117e1a0c4ce890f0a1640f4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 17:59:43 +0000
Subject: [PATCH 0765/1326] [khmer] Limit number of joiners

---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index ab3d95d17..89a12b07b 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -57,7 +57,7 @@ n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
 z = ZWJ|ZWNJ;			# is_joiner
 
 cn = c.ZWJ?.n?;
-matra_group = z{0,3}.M.N?.Coeng?;
+matra_group = z?.M.N?.Coeng?;
 syllable_tail = (SM.SM?)? A{0,3}?;
 halant_group = Coeng;
 halant_or_matra_group = (matra_group*) (Coeng (cn|V))?;

From e13ee937310a7aadd83fd266dae382da40dce4f8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 18:01:01 +0000
Subject: [PATCH 0766/1326] [khmer] Clean

---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 89a12b07b..56ec0f298 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -63,8 +63,8 @@ halant_group = Coeng;
 halant_or_matra_group = (matra_group*) (Coeng (cn|V))?;
 
 
-consonant_syllable =	(c|PLACEHOLDER|DOTTEDCIRCLE).n? (halant_group.cn)* halant_or_matra_group syllable_tail;
 broken_cluster =	n? (halant_group.cn)* halant_or_matra_group syllable_tail;
+consonant_syllable =	(c|PLACEHOLDER|DOTTEDCIRCLE) broken_cluster;
 other =			any;
 
 main := |*

From 65795e3ca246bf65b3cb53e3fe65eca312774e3e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 18:03:00 +0000
Subject: [PATCH 0767/1326] [khmer] Simplify grammar some more

Numbers down (from 38):

KHMER: 299090 out of 299124 tests passed. 34 failed (0.0113665%)
---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 56ec0f298..f127b17c2 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -57,7 +57,7 @@ n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
 z = ZWJ|ZWNJ;			# is_joiner
 
 cn = c.ZWJ?.n?;
-matra_group = z?.M.N?.Coeng?;
+matra_group = z?.M.N?;
 syllable_tail = (SM.SM?)? A{0,3}?;
 halant_group = Coeng;
 halant_or_matra_group = (matra_group*) (Coeng (cn|V))?;

From 90affe831f08fabcb2dd5ac837c7b0cfbd14e554 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 18:04:56 +0000
Subject: [PATCH 0768/1326] [khmer] Shuffle

---
 src/hb-ot-shape-complex-khmer-machine.rl | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index f127b17c2..6ab3160ee 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -59,11 +59,9 @@ z = ZWJ|ZWNJ;			# is_joiner
 cn = c.ZWJ?.n?;
 matra_group = z?.M.N?;
 syllable_tail = (SM.SM?)? A{0,3}?;
-halant_group = Coeng;
-halant_or_matra_group = (matra_group*) (Coeng (cn|V))?;
 
 
-broken_cluster =	n? (halant_group.cn)* halant_or_matra_group syllable_tail;
+broken_cluster =	n? (Coeng.cn)* matra_group* (Coeng.cn)? syllable_tail;
 consonant_syllable =	(c|PLACEHOLDER|DOTTEDCIRCLE) broken_cluster;
 other =			any;
 

From db0207baff358b20fbe9c3498275ba33f69caf87 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 18:06:00 +0000
Subject: [PATCH 0769/1326] [khmer] Drop another joiner

---
 src/hb-ot-shape-complex-khmer-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index 6ab3160ee..d628cea2e 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -56,7 +56,7 @@ c = (C | Ra | V);		# is_consonant
 n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
 z = ZWJ|ZWNJ;			# is_joiner
 
-cn = c.ZWJ?.n?;
+cn = c.n?;
 matra_group = z?.M.N?;
 syllable_tail = (SM.SM?)? A{0,3}?;
 

From 66d7beff96d622599e1ee8895f2aa84fe2299f1a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 5 Jan 2018 18:09:29 +0000
Subject: [PATCH 0770/1326] [khmer] Relax!

Apparently we don't use OT_A either.
---
 src/hb-ot-shape-complex-khmer-machine.rl | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/hb-ot-shape-complex-khmer-machine.rl b/src/hb-ot-shape-complex-khmer-machine.rl
index d628cea2e..8b00c37f0 100644
--- a/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/src/hb-ot-shape-complex-khmer-machine.rl
@@ -45,7 +45,6 @@ ZWNJ = 5;
 ZWJ  = 6;
 M    = 7;
 SM   = 8;
-A    = 10;
 PLACEHOLDER = 11;
 DOTTEDCIRCLE = 12;
 RS    = 13;
@@ -58,7 +57,7 @@ z = ZWJ|ZWNJ;			# is_joiner
 
 cn = c.n?;
 matra_group = z?.M.N?;
-syllable_tail = (SM.SM?)? A{0,3}?;
+syllable_tail = (SM.SM?)?;
 
 
 broken_cluster =	n? (Coeng.cn)* matra_group* (Coeng.cn)? syllable_tail;

From 0473d95e276ae5df722bc7d371733d8202bdbc3c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 8 Jan 2018 10:07:46 +0000
Subject: [PATCH 0771/1326] [ft] Use FT_Done_MM_Var() if available

---
 configure.ac | 1 +
 src/hb-ft.cc | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index 0227166f0..18bfe2a05 100644
--- a/configure.ac
+++ b/configure.ac
@@ -355,6 +355,7 @@ if $have_freetype; then
 	LIBS="$LIBS $FREETYPE_LIBS"
 	AC_CHECK_FUNCS(FT_Get_Var_Blend_Coordinates)
 	AC_CHECK_FUNCS(FT_Set_Var_Blend_Coordinates)
+	AC_CHECK_FUNCS(FT_Done_MM_Var)
 	LIBS=$save_libs
 fi
 AM_CONDITIONAL(HAVE_FREETYPE, $have_freetype)
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index ae8c8d923..1c526cf37 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -651,7 +651,11 @@ hb_ft_font_changed (hb_font_t *font)
     }
     free (coords);
     free (ft_coords);
+#ifdef HAVE_FT_DONE_MM_VAR
+    FT_Done_MM_Var (ft_face->glyph->library, mm_var);
+#else
     free (mm_var);
+#endif
   }
 #endif
 }

From 3c7aeb5c6437b26ad638ab993b724e28376d3ff8 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 9 Jan 2018 01:39:42 +0330
Subject: [PATCH 0772/1326] [cmake] Add autotools like feature testing (#683)

---
 CMakeLists.txt | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ebbfbe3ca..b61d66056 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,6 +39,7 @@ option(HB_HAVE_GLIB "Enable glib unicode functions" OFF)
 option(HB_HAVE_ICU "Enable icu unicode functions" OFF)
 if (APPLE)
   option(HB_HAVE_CORETEXT "Enable CoreText shaper backend on macOS" ON)
+  set (CMAKE_MACOSX_RPATH ON)
 endif ()
 if (WIN32)
   option(HB_HAVE_UNISCRIBE "Enable Uniscribe shaper backend on Windows" OFF)
@@ -88,12 +89,15 @@ include_directories(AFTER
 add_definitions(-DHAVE_OT)
 add_definitions(-DHAVE_FALLBACK)
 
-if (BUILD_SHARED_LIBS)
-  add_definitions(-DHAVE_ATEXIT)
-  if (APPLE)
-    set (CMAKE_MACOSX_RPATH ON)
-  endif ()
-endif ()
+include(CheckFunctionExists)
+check_function_exists(atexit HAVE_ATEXIT)
+check_function_exists(mprotect HAVE_MPROTECT)
+check_function_exists(sysconf HAVE_SYSCONF)
+check_function_exists(getpagesize HAVE_GETPAGESIZE)
+check_function_exists(mmap HAVE_MMAP)
+check_function_exists(isatty HAVE_ISATTY)
+check_function_exists(newlocale HAVE_NEWLOCALE)
+check_function_exists(strtod_l HAVE_STRTOD_L)
 
 if (MSVC)
   add_definitions(-wd4244 -wd4267 -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)
@@ -244,6 +248,12 @@ if (HB_HAVE_FREETYPE)
 
   list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
+
+  set (CMAKE_REQUIRED_INCLUDES ${FREETYPE_INCLUDE_DIRS})
+  set (CMAKE_REQUIRED_LIBRARIES ${FREETYPE_LIBRARIES})
+  check_function_exists(FT_Get_Var_Blend_Coordinates HAVE_FT_GET_VAR_BLEND_COORDINATES)
+  check_function_exists(FT_Set_Var_Blend_Coordinates HAVE_FT_SET_VAR_BLEND_COORDINATES)
+  check_function_exists(FT_Done_MM_Var HAVE_FT_DONE_MM_VAR)
 endif ()
 
 if (HB_HAVE_GRAPHITE2)

From c71b55a223d14f8bb7fa355efc586e824b7d4d8f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 14 Aug 2017 17:24:36 -0700
Subject: [PATCH 0773/1326] [aat] Start implementing Apple AAT morx table

---
 src/Makefile.sources            |   2 +
 src/hb-aat-layout-morx-table.hh | 275 ++++++++++++++++++++++++++++++++
 src/hb-aat-layout.cc            |  42 +++++
 src/hb-open-type-private.hh     |   5 +
 src/hb-ot-layout-private.hh     |   5 +
 src/hb-ot-layout.cc             |   2 +
 6 files changed, 331 insertions(+)
 create mode 100644 src/hb-aat-layout-morx-table.hh
 create mode 100644 src/hb-aat-layout.cc

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 63e0ddcd7..a728fc092 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -82,6 +82,8 @@ HB_FALLBACK_sources = \
 	$(NULL)
 
 HB_OT_sources = \
+	hb-aat-layout.cc \
+	hb-aat-layout-morx-table.hh \
 	hb-ot-font.cc \
 	hb-ot-layout.cc \
 	hb-ot-layout-common-private.hh \
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
new file mode 100644
index 000000000..d3a694b5f
--- /dev/null
+++ b/src/hb-aat-layout-morx-table.hh
@@ -0,0 +1,275 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_AAT_LAYOUT_MORX_TABLE_HH
+#define HB_AAT_LAYOUT_MORX_TABLE_HH
+
+#include <hb-open-type-private.hh>
+
+#define HB_AAT_TAG_MORT HB_TAG('m','o','r','t')
+#define HB_AAT_TAG_MORX HB_TAG('m','o','r','x')
+
+
+namespace AAT {
+
+using namespace OT;
+
+
+struct RearrangementSubtable
+{
+  /* TODO */
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    /* TODO */
+    return_trace (false);
+  }
+};
+
+struct ContextualSubtable
+{
+  /* TODO */
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    /* TODO */
+    return_trace (false);
+  }
+};
+
+struct LigatureSubtable
+{
+  /* TODO */
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    /* TODO */
+    return_trace (false);
+  }
+};
+
+struct NoncontextualSubtable
+{
+  /* TODO */
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    /* TODO */
+    return_trace (false);
+  }
+};
+
+struct InsertionSubtable
+{
+  /* TODO */
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    /* TODO */
+    return_trace (false);
+  }
+};
+
+
+struct Feature
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  public:
+  USHORT	featureType;	/* The type of feature. */
+  USHORT	featureSetting;	/* The feature's setting (aka selector). */
+  ULONG		enableFlags;	/* Flags for the settings that this feature
+				 * and setting enables. */
+  ULONG		disableFlags;	/* Complement of flags for the settings that this
+				 * feature and setting disable. */
+
+  public:
+  DEFINE_SIZE_STATIC (12);
+};
+
+
+template <typename UINT>
+struct ChainSubtable
+{
+  template <typename> struct Chain;
+  friend struct Chain<UINT>;
+
+  inline unsigned int get_size (void) const { return length; }
+  inline unsigned int get_type (void) const { return coverage & 0xFF; }
+
+  enum Type {
+    Rearrangement	= 0,
+    Contextual		= 1,
+    Ligature		= 2,
+    Noncontextual	= 4,
+    Insertion		= 5
+  };
+
+  template <typename context_t>
+  inline typename context_t::return_t dispatch (context_t *c) const
+  {
+    unsigned int subtable_type = get_type ();
+    TRACE_DISPATCH (this, subtable_type);
+    switch (subtable_type) {
+    case Rearrangement:		return_trace (c->dispatch (u.rearrangement));
+    case Contextual:		return_trace (c->dispatch (u.contextual));
+    case Ligature:		return_trace (c->dispatch (u.ligature));
+    case Noncontextual:		return_trace (c->dispatch (u.noncontextual));
+    case Insertion:		return_trace (c->dispatch (u.insertion));
+    default:			return_trace (c->default_return_value ());
+    }
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!length.sanitize (c) ||
+	length < min_size ||
+	!c->check_range (this, length))
+      return_trace (false);
+
+    return_trace (dispatch (c));
+  }
+
+  protected:
+  UINT	length;		/* Total subtable length, including this header. */
+  UINT	coverage;	/* Coverage flags and subtable type. */
+  ULONG	subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
+  union {
+  RearrangementSubtable	rearrangement;
+  ContextualSubtable	contextual;
+  LigatureSubtable	ligature;
+  NoncontextualSubtable	noncontextual;
+  InsertionSubtable	insertion;
+  } u;
+  public:
+  DEFINE_SIZE_MIN (2 * sizeof (UINT) + 4);
+};
+
+template <typename UINT>
+struct Chain
+{
+
+  inline unsigned int get_size (void) const { return length; }
+
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int major) const
+  {
+    TRACE_SANITIZE (this);
+    if (!length.sanitize (c) ||
+	length < min_size ||
+	!c->check_range (this, length))
+      return_trace (false);
+
+    if (!c->check_array (featureZ, featureZ[0].static_size, featureCount))
+      return_trace (false);
+
+    const ChainSubtable<UINT> *subtable = &StructAtOffset<ChainSubtable<UINT> > (featureZ, featureZ[0].static_size * featureCount);
+    unsigned int count = subtableCount;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (!subtable->sanitize (c))
+	return_trace (false);
+      subtable = &StructAfter<ChainSubtable<UINT> > (*subtable);
+    }
+
+    return_trace (true);
+  }
+
+  protected:
+  ULONG	defaultFlags;		/* The default specification for subtables. */
+  ULONG	length;			/* Total byte count, including this header. */
+  UINT	featureCount;		/* Number of feature subtable entries. */
+  UINT	subtableCount;		/* The number of subtables in the chain. */
+
+  Feature		featureZ[VAR];	/* Features. */
+  ChainSubtable<UINT>	subtableX[VAR];	/* Subtables. */
+  // subtableGlyphCoverageArray if major == 3
+
+  public:
+  DEFINE_SIZE_MIN (8 + 2 * sizeof (UINT));
+};
+
+
+/*
+ * The 'mort'/'morx' Tables
+ */
+
+template <typename UINT>
+struct mortmorx
+{
+  static const hb_tag_t mortTag	= HB_AAT_TAG_MORT;
+  static const hb_tag_t morxTag	= HB_AAT_TAG_MORX;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!version.sanitize (c) ||
+	version.major >> (sizeof (UINT) == 4) != 1 ||
+	!chainCount.sanitize (c))
+      return_trace (false);
+
+    const Chain<UINT> *chain = chains;
+    unsigned int count = chainCount;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (!chain->sanitize (c, version.major))
+	return_trace (false);
+      chain = &StructAfter<Chain<UINT> > (*chain);
+    }
+
+    return_trace (true);
+  }
+
+  protected:
+  FixedVersion<>version;	/* Version number of the glyph metamorphosis table.
+				 * 1 for mort, 2 or 3 for morx. */
+  ULONG		chainCount;	/* Number of metamorphosis chains contained in this
+				 * table. */
+  Chain<UINT>	chains[VAR];	/* Chains. */
+
+  public:
+  DEFINE_SIZE_MIN (8);
+};
+
+struct mort : mortmorx<USHORT>
+{
+  static const hb_tag_t tableTag	= HB_AAT_TAG_MORT;
+};
+
+struct morx : mortmorx<ULONG>
+{
+  static const hb_tag_t tableTag	= HB_AAT_TAG_MORX;
+};
+
+
+} /* namespace AAT */
+
+
+#endif /* HB_AAT_LAYOUT_MORX_TABLE_HH */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
new file mode 100644
index 000000000..c5277ed72
--- /dev/null
+++ b/src/hb-aat-layout.cc
@@ -0,0 +1,42 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-open-type-private.hh"
+#include "hb-ot-layout-private.hh"
+
+#include "hb-aat-layout-morx-table.hh"
+
+/*
+ * mort/morx
+ */
+
+static inline const AAT::morx&
+_get_morx (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(AAT::morx);
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  return *(layout->morx.get ());
+}
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 2f4e1b9e9..a8c3ee2bc 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -160,6 +160,11 @@ static_assert (Type::min_size + 1 <= sizeof (_Null##Type), "Null pool too small.
  * Dispatch
  */
 
+#define TRACE_DISPATCH(this, format) \
+	hb_auto_trace_t<context_t::max_debug_depth, typename context_t::return_t> trace \
+	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
+	 "format %d", (int) format);
+
 template <typename Context, typename Return, unsigned int MaxDebugDepth>
 struct hb_dispatch_context_t
 {
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index be5695d98..39d1a6720 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -130,6 +130,10 @@ namespace OT {
   struct avar;
 }
 
+namespace AAT {
+  struct morx;
+}
+
 struct hb_ot_layout_lookup_accelerator_t
 {
   template <typename TLookup>
@@ -165,6 +169,7 @@ struct hb_ot_layout_t
   OT::hb_lazy_table_loader_t<struct OT::MATH> math;
   OT::hb_lazy_table_loader_t<struct OT::fvar> fvar;
   OT::hb_lazy_table_loader_t<struct OT::avar> avar;
+  OT::hb_lazy_table_loader_t<struct AAT::morx> morx;
 
   unsigned int gsub_lookup_count;
   unsigned int gpos_lookup_count;
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 884588982..d4737393f 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -62,6 +62,7 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->math.init (face);
   layout->fvar.init (face);
   layout->avar.init (face);
+  layout->morx.init (face);
 
   {
     /*
@@ -209,6 +210,7 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   layout->math.fini ();
   layout->fvar.fini ();
   layout->avar.fini ();
+  layout->morx.fini ();
 
   free (layout);
 }

From a0175e75bc40b5496d7fd37afd434cb2000e5b9b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 17 Aug 2017 16:55:54 -0700
Subject: [PATCH 0774/1326] [aat] Start implementing common table formats

---
 src/Makefile.sources                |   2 +
 src/hb-aat-layout-common-private.hh | 134 ++++++++++++++++++++++++++++
 src/hb-aat-layout-morx-table.hh     |   1 +
 src/hb-aat-layout-private.hh        |  37 ++++++++
 src/hb-aat-layout.cc                |   1 +
 5 files changed, 175 insertions(+)
 create mode 100644 src/hb-aat-layout-common-private.hh
 create mode 100644 src/hb-aat-layout-private.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index a728fc092..4349e0a7e 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -83,7 +83,9 @@ HB_FALLBACK_sources = \
 
 HB_OT_sources = \
 	hb-aat-layout.cc \
+	hb-aat-layout-common-private.hh \
 	hb-aat-layout-morx-table.hh \
+	hb-aat-layout-private.hh \
 	hb-ot-font.cc \
 	hb-ot-layout.cc \
 	hb-ot-layout-common-private.hh \
diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
new file mode 100644
index 000000000..17c783322
--- /dev/null
+++ b/src/hb-aat-layout-common-private.hh
@@ -0,0 +1,134 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_AAT_LAYOUT_COMMON_PRIVATE_HH
+#define HB_AAT_LAYOUT_COMMON_PRIVATE_HH
+
+#include "hb-aat-layout-private.hh"
+
+
+namespace AAT {
+
+using namespace OT;
+
+
+/*
+ * Binary Searching Tables
+ */
+
+struct BinSearchHeader
+{
+  friend struct BinSearchArray;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  protected:
+  USHORT	unitSize;	/* Size of a lookup unit for this search in bytes. */
+  USHORT	nUnits;		/* Number of units of the preceding size to be searched. */
+  USHORT	searchRange;	/* The value of unitSize times the largest power of 2
+				 * that is less than or equal to the value of nUnits. */
+  USHORT	entrySelector;	/* The log base 2 of the largest power of 2 less than
+				 * or equal to the value of nUnits. */
+  USHORT	rangeShift;	/* The value of unitSize times the difference of the
+				 * value of nUnits minus the largest power of 2 less
+				 * than or equal to the value of nUnits. */
+  public:
+  DEFINE_SIZE_STATIC (10);
+};
+
+template <typename Type>
+struct BinSearchArrayOf
+{
+  inline const Type& operator [] (unsigned int i) const
+  {
+    if (unlikely (i >= header.nUnits)) return Null(Type);
+    return StructAtOffset<Type> (bytes, i * header.unitSize);
+  }
+  inline Type& operator [] (unsigned int i)
+  {
+    return StructAtOffset<Type> (bytes, i * header.unitSize);
+  }
+  inline unsigned int get_size (void) const
+  { return header.static_size + header.nUnits * header.unitSize; }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!sanitize_shallow (c))) return_trace (false);
+
+    /* Note: for structs that do not reference other structs,
+     * we do not need to call their sanitize() as we already did
+     * a bound check on the aggregate array size.  We just include
+     * a small unreachable expression to make sure the structs
+     * pointed to do have a simple sanitize(), ie. they do not
+     * reference other structs via offsets.
+     */
+    (void) (false && StructAtOffset<Type> (bytes, 0).sanitize (c));
+
+    return_trace (true);
+  }
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!sanitize_shallow (c))) return_trace (false);
+    unsigned int count = header.nUnits;
+    for (unsigned int i = 0; i < count; i++)
+      if (unlikely (!(*this)[i].sanitize (c, base)))
+        return_trace (false);
+    return_trace (true);
+  }
+
+  template <typename T>
+  inline Type *bsearch (const T &key) const
+  {
+    return ::bsearch (&key, bytes, header.nUnits, header.unitSize, (hb_compare_func_t) Type::cmp);
+  }
+
+  private:
+  inline bool sanitize_shallow (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (header.sanitize (c) &&
+		  Type::static_size >= header.unitSize &&
+		  c->check_array (bytes, header.unitSize, header.nUnits));
+  }
+
+  protected:
+  BinSearchHeader	header;
+  BYTE bytes[VAR];
+  public:
+  DEFINE_SIZE_ARRAY (10, bytes);
+};
+
+
+} /* namespace AAT */
+
+
+#endif /* HB_AAT_LAYOUT_COMMON_PRIVATE_HH */
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index d3a694b5f..0e366be0a 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -28,6 +28,7 @@
 #define HB_AAT_LAYOUT_MORX_TABLE_HH
 
 #include <hb-open-type-private.hh>
+#include <hb-aat-layout-common-private.hh>
 
 #define HB_AAT_TAG_MORT HB_TAG('m','o','r','t')
 #define HB_AAT_TAG_MORX HB_TAG('m','o','r','x')
diff --git a/src/hb-aat-layout-private.hh b/src/hb-aat-layout-private.hh
new file mode 100644
index 000000000..6adf084c3
--- /dev/null
+++ b/src/hb-aat-layout-private.hh
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_AAT_LAYOUT_PRIVATE_HH
+#define HB_AAT_LAYOUT_PRIVATE_HH
+
+#include "hb-private.hh"
+
+#include "hb-font-private.hh"
+#include "hb-buffer-private.hh"
+#include "hb-open-type-private.hh"
+
+
+#endif /* HB_AAT_LAYOUT_PRIVATE_HH */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index c5277ed72..73ceafe32 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -27,6 +27,7 @@
 #include "hb-open-type-private.hh"
 #include "hb-ot-layout-private.hh"
 
+#include "hb-aat-layout-private.hh"
 #include "hb-aat-layout-morx-table.hh"
 
 /*

From 7c7cb42d8125d7e598bfa70f93053cafe38b325a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 8 Jan 2018 14:32:55 +0000
Subject: [PATCH 0775/1326] [aat] Update previous commits for rebase on master

---
 src/hb-aat-layout-common-private.hh | 14 +++++++-------
 src/hb-aat-layout-morx-table.hh     | 28 ++++++++++++++--------------
 src/hb-open-type-private.hh         |  5 -----
 3 files changed, 21 insertions(+), 26 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 17c783322..e1abd07b8 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -50,13 +50,13 @@ struct BinSearchHeader
   }
 
   protected:
-  USHORT	unitSize;	/* Size of a lookup unit for this search in bytes. */
-  USHORT	nUnits;		/* Number of units of the preceding size to be searched. */
-  USHORT	searchRange;	/* The value of unitSize times the largest power of 2
+  UINT16	unitSize;	/* Size of a lookup unit for this search in bytes. */
+  UINT16	nUnits;		/* Number of units of the preceding size to be searched. */
+  UINT16	searchRange;	/* The value of unitSize times the largest power of 2
 				 * that is less than or equal to the value of nUnits. */
-  USHORT	entrySelector;	/* The log base 2 of the largest power of 2 less than
+  UINT16	entrySelector;	/* The log base 2 of the largest power of 2 less than
 				 * or equal to the value of nUnits. */
-  USHORT	rangeShift;	/* The value of unitSize times the difference of the
+  UINT16	rangeShift;	/* The value of unitSize times the difference of the
 				 * value of nUnits minus the largest power of 2 less
 				 * than or equal to the value of nUnits. */
   public:
@@ -108,7 +108,7 @@ struct BinSearchArrayOf
   template <typename T>
   inline Type *bsearch (const T &key) const
   {
-    return ::bsearch (&key, bytes, header.nUnits, header.unitSize, (hb_compare_func_t) Type::cmp);
+    return ::bsearch (&key, bytes, header.nUnits, header.unitSize, Type::cmp);
   }
 
   private:
@@ -122,7 +122,7 @@ struct BinSearchArrayOf
 
   protected:
   BinSearchHeader	header;
-  BYTE bytes[VAR];
+  UINT8			bytes[VAR];
   public:
   DEFINE_SIZE_ARRAY (10, bytes);
 };
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 0e366be0a..a8a8de4d5 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -104,11 +104,11 @@ struct Feature
   }
 
   public:
-  USHORT	featureType;	/* The type of feature. */
-  USHORT	featureSetting;	/* The feature's setting (aka selector). */
-  ULONG		enableFlags;	/* Flags for the settings that this feature
+  UINT16	featureType;	/* The type of feature. */
+  UINT16	featureSetting;	/* The feature's setting (aka selector). */
+  UINT32	enableFlags;	/* Flags for the settings that this feature
 				 * and setting enables. */
-  ULONG		disableFlags;	/* Complement of flags for the settings that this
+  UINT32	disableFlags;	/* Complement of flags for the settings that this
 				 * feature and setting disable. */
 
   public:
@@ -160,9 +160,9 @@ struct ChainSubtable
   }
 
   protected:
-  UINT	length;		/* Total subtable length, including this header. */
-  UINT	coverage;	/* Coverage flags and subtable type. */
-  ULONG	subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
+  UINT		length;		/* Total subtable length, including this header. */
+  UINT		coverage;	/* Coverage flags and subtable type. */
+  UINT32	subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
   union {
   RearrangementSubtable	rearrangement;
   ContextualSubtable	contextual;
@@ -204,10 +204,10 @@ struct Chain
   }
 
   protected:
-  ULONG	defaultFlags;		/* The default specification for subtables. */
-  ULONG	length;			/* Total byte count, including this header. */
-  UINT	featureCount;		/* Number of feature subtable entries. */
-  UINT	subtableCount;		/* The number of subtables in the chain. */
+  UINT32	defaultFlags;	/* The default specification for subtables. */
+  UINT32	length;		/* Total byte count, including this header. */
+  UINT		featureCount;	/* Number of feature subtable entries. */
+  UINT		subtableCount;	/* The number of subtables in the chain. */
 
   Feature		featureZ[VAR];	/* Features. */
   ChainSubtable<UINT>	subtableX[VAR];	/* Subtables. */
@@ -251,7 +251,7 @@ struct mortmorx
   protected:
   FixedVersion<>version;	/* Version number of the glyph metamorphosis table.
 				 * 1 for mort, 2 or 3 for morx. */
-  ULONG		chainCount;	/* Number of metamorphosis chains contained in this
+  UINT32	chainCount;	/* Number of metamorphosis chains contained in this
 				 * table. */
   Chain<UINT>	chains[VAR];	/* Chains. */
 
@@ -259,12 +259,12 @@ struct mortmorx
   DEFINE_SIZE_MIN (8);
 };
 
-struct mort : mortmorx<USHORT>
+struct mort : mortmorx<UINT16>
 {
   static const hb_tag_t tableTag	= HB_AAT_TAG_MORT;
 };
 
-struct morx : mortmorx<ULONG>
+struct morx : mortmorx<UINT32>
 {
   static const hb_tag_t tableTag	= HB_AAT_TAG_MORX;
 };
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index a8c3ee2bc..2f4e1b9e9 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -160,11 +160,6 @@ static_assert (Type::min_size + 1 <= sizeof (_Null##Type), "Null pool too small.
  * Dispatch
  */
 
-#define TRACE_DISPATCH(this, format) \
-	hb_auto_trace_t<context_t::max_debug_depth, typename context_t::return_t> trace \
-	(&c->debug_depth, c->get_name (), this, HB_FUNC, \
-	 "format %d", (int) format);
-
 template <typename Context, typename Return, unsigned int MaxDebugDepth>
 struct hb_dispatch_context_t
 {

From 4646a80a873fa164b9cf09128bc6b6fe2fc5cce2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 12:06:38 +0100
Subject: [PATCH 0776/1326] Minor

---
 src/hb-ot-layout-common-private.hh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index cb308cd2c..22e5b872d 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -874,8 +874,8 @@ struct Coverage
   inline unsigned int get_coverage (hb_codepoint_t glyph_id) const
   {
     switch (u.format) {
-    case 1: return u.format1.get_coverage(glyph_id);
-    case 2: return u.format2.get_coverage(glyph_id);
+    case 1: return u.format1.get_coverage (glyph_id);
+    case 2: return u.format2.get_coverage (glyph_id);
     default:return NOT_COVERED;
     }
   }
@@ -1161,8 +1161,8 @@ struct ClassDef
   inline unsigned int get_class (hb_codepoint_t glyph_id) const
   {
     switch (u.format) {
-    case 1: return u.format1.get_class(glyph_id);
-    case 2: return u.format2.get_class(glyph_id);
+    case 1: return u.format1.get_class (glyph_id);
+    case 2: return u.format2.get_class (glyph_id);
     default:return 0;
     }
   }

From 470fe5b603b409bef136fdd4e9b33d2704dc77b7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 15:48:51 +0100
Subject: [PATCH 0777/1326] [aat] Implement Lookup table

Untested, but compiles.
---
 src/hb-aat-layout-common-private.hh | 308 +++++++++++++++++++++++++++-
 src/hb-aat-layout-morx-table.hh     |   9 +-
 src/hb-aat-layout.cc                |  14 ++
 src/hb-face.cc                      |   6 +-
 src/hb-open-type-private.hh         |  16 +-
 src/hb-ot-cbdt-table.hh             |   4 +-
 src/hb-ot-cmap-table.hh             |   2 +-
 src/hb-ot-glyf-table.hh             |   6 +-
 src/hb-ot-hmtx-table.hh             |   8 +-
 src/hb-ot-kern-table.hh             |   2 +-
 src/hb-ot-layout.cc                 |   6 +-
 src/hb-ot-post-table.hh             |   2 +-
 src/hb-uniscribe.cc                 |   2 +-
 13 files changed, 355 insertions(+), 30 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index e1abd07b8..88a9cd844 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -41,7 +41,6 @@ using namespace OT;
 
 struct BinSearchHeader
 {
-  friend struct BinSearchArray;
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -49,7 +48,6 @@ struct BinSearchHeader
     return_trace (c->check_struct (this));
   }
 
-  protected:
   UINT16	unitSize;	/* Size of a lookup unit for this search in bytes. */
   UINT16	nUnits;		/* Number of units of the preceding size to be searched. */
   UINT16	searchRange;	/* The value of unitSize times the largest power of 2
@@ -106,9 +104,23 @@ struct BinSearchArrayOf
   }
 
   template <typename T>
-  inline Type *bsearch (const T &key) const
+  inline const Type *bsearch (const T &key) const
   {
-    return ::bsearch (&key, bytes, header.nUnits, header.unitSize, Type::cmp);
+    unsigned int size = header.unitSize;
+    int min = 0, max = (int) header.nUnits - 1;
+    while (min <= max)
+    {
+      int mid = (min + max) / 2;
+      const Type *p = (const Type *) (((const char *) bytes) + (mid * size));
+      int c = p->cmp (key);
+      if (c < 0)
+	max = mid - 1;
+      else if (c > 0)
+	min = mid + 1;
+      else
+	return p;
+    }
+    return NULL;
   }
 
   private:
@@ -128,6 +140,294 @@ struct BinSearchArrayOf
 };
 
 
+/* TODO Move this to hb-open-type-private.hh and use it in ArrayOf, HeadlessArrayOf,
+ * and other places around the code base?? */
+template <typename Type>
+struct UnsizedArrayOf
+{
+  inline const Type& operator [] (unsigned int i) const { return arrayZ[i]; }
+  inline Type& operator [] (unsigned int i) { return arrayZ[i]; }
+
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
+  {
+    TRACE_SANITIZE (this);
+
+    /* Note: for structs that do not reference other structs,
+     * we do not need to call their sanitize() as we already did
+     * a bound check on the aggregate array size.  We just include
+     * a small unreachable expression to make sure the structs
+     * pointed to do have a simple sanitize(), ie. they do not
+     * reference other structs via offsets.
+     */
+    (void) (false && count && arrayZ->sanitize (c));
+
+    return_trace (c->check_array (arrayZ, arrayZ[0].static_size, count));
+  }
+
+  protected:
+  Type	arrayZ[VAR];
+  public:
+  DEFINE_SIZE_ARRAY (0, arrayZ);
+};
+
+
+/*
+ * Lookup Table
+ */
+
+template <typename T> struct Lookup;
+
+template <typename T>
+struct LookupFormat0
+{
+  friend struct Lookup<T>;
+
+  private:
+  inline const T& get_value (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
+  {
+    if (unlikely (glyph_id >= num_glyphs)) return Null(T);
+    return arrayZ[glyph_id];
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (arrayZ.sanitize (c, c->num_glyphs));
+  }
+
+  protected:
+  UINT16	format;		/* Format identifier--format = 0 */
+  UnsizedArrayOf<T>
+		arrayZ;		/* Array of lookup values, indexed by glyph index. */
+  public:
+  DEFINE_SIZE_ARRAY (2, arrayZ);
+};
+
+
+template <typename T>
+struct LookupSegmentSingle
+{
+  inline int cmp (hb_codepoint_t g) const {
+    return g < first ? -1 : g <= last ? 0 : +1 ;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && value.sanitize (c));
+  }
+
+  GlyphID	last;		/* Last GlyphID in this segment */
+  GlyphID	first;		/* First GlyphID in this segment */
+  T		value;		/* The lookup value (only one) */
+  public:
+  DEFINE_SIZE_STATIC (4 + sizeof (T));
+};
+
+template <typename T>
+struct LookupFormat2
+{
+  friend struct Lookup<T>;
+
+  private:
+  inline const T& get_value (hb_codepoint_t glyph_id) const
+  {
+    const LookupSegmentSingle<T> *v = segments.bsearch (glyph_id);
+    return v ? v->value : Null(T);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (segments.sanitize (c));
+  }
+
+  protected:
+  UINT16	format;		/* Format identifier--format = 2 */
+  BinSearchArrayOf<LookupSegmentSingle<T> >
+		segments;	/* The actual segments. These must already be sorted,
+				 * according to the first word in each one (the last
+				 * glyph in each segment). */
+  public:
+  DEFINE_SIZE_ARRAY (8, segments);
+};
+
+template <typename T>
+struct LookupSegmentArray
+{
+  inline const T& get_value (hb_codepoint_t glyph_id, const void *base) const
+  {
+    return first <= glyph_id && glyph_id <= last ? (base+valuesZ)[glyph_id - first] : Null(T);
+  }
+
+  inline int cmp (hb_codepoint_t g) const {
+    return g < first ? -1 : g <= last ? 0 : +1 ;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+		  first <= last &&
+		  valuesZ.sanitize (c, base, last - first + 1));
+  }
+
+  GlyphID	last;		/* Last GlyphID in this segment */
+  GlyphID	first;		/* First GlyphID in this segment */
+  OffsetTo<UnsizedArrayOf<T> >
+		valuesZ;	/* A 16-bit offset from the start of
+				 * the table to the data. */
+  public:
+  DEFINE_SIZE_STATIC (6);
+};
+
+template <typename T>
+struct LookupFormat4
+{
+  friend struct Lookup<T>;
+
+  private:
+  inline const T& get_value (hb_codepoint_t glyph_id) const
+  {
+    const LookupSegmentArray<T> *v = segments.bsearch (glyph_id);
+    return v ? v->get_value (glyph_id, this) : Null(T);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (segments.sanitize (c, this));
+  }
+
+  protected:
+  UINT16	format;		/* Format identifier--format = 2 */
+  BinSearchArrayOf<LookupSegmentArray<T> >
+		segments;	/* The actual segments. These must already be sorted,
+				 * according to the first word in each one (the last
+				 * glyph in each segment). */
+  public:
+  DEFINE_SIZE_ARRAY (8, segments);
+};
+
+template <typename T>
+struct LookupSingle
+{
+  inline int cmp (hb_codepoint_t g) const { return glyph.cmp (g); }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && value.sanitize (c));
+  }
+
+  GlyphID	glyph;		/* Last GlyphID */
+  T		value;		/* The lookup value (only one) */
+  public:
+  DEFINE_SIZE_STATIC (4 + sizeof (T));
+};
+
+template <typename T>
+struct LookupFormat6
+{
+  friend struct Lookup<T>;
+
+  private:
+  inline const T& get_value (hb_codepoint_t glyph_id) const
+  {
+    const LookupSingle<T> *v = entries.bsearch (glyph_id);
+    return v ? v->value : Null(T);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (entries.sanitize (c));
+  }
+
+  protected:
+  UINT16	format;		/* Format identifier--format = 6 */
+  BinSearchArrayOf<LookupSingle<T> >
+		entries;	/* The actual entries, sorted by glyph index. */
+  public:
+  DEFINE_SIZE_ARRAY (8, entries);
+};
+
+template <typename T>
+struct LookupFormat8
+{
+  friend struct Lookup<T>;
+
+  private:
+  inline const T& get_value (hb_codepoint_t glyph_id) const
+  {
+    return firstGlyph <= glyph_id && glyph_id - firstGlyph < glyphCount ? valueArrayZ[glyph_id - firstGlyph] : Null(T);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && valueArrayZ.sanitize (c, glyphCount));
+  }
+
+  protected:
+  UINT16	format;		/* Format identifier--format = 6 */
+  GlyphID	firstGlyph;	/* First glyph index included in the trimmed array. */
+  UINT16	glyphCount;	/* Total number of glyphs (equivalent to the last
+				 * glyph minus the value of firstGlyph plus 1). */
+  UnsizedArrayOf<T>
+		valueArrayZ;	/* The lookup values (indexed by the glyph index
+				 * minus the value of firstGlyph). */
+  public:
+  DEFINE_SIZE_ARRAY (6, valueArrayZ);
+};
+
+template <typename T>
+struct Lookup
+{
+  inline const T& get_value (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
+  {
+    switch (u.format) {
+    case 0: return u.format0.get_value (glyph_id, num_glyphs);
+    case 2: return u.format2.get_value (glyph_id);
+    case 4: return u.format4.get_value (glyph_id);
+    case 6: return u.format6.get_value (glyph_id);
+    case 8: return u.format8.get_value (glyph_id);
+    default:return Null(T);
+    }
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!u.format.sanitize (c)) return_trace (false);
+    switch (u.format) {
+    case 0: return_trace (u.format0.sanitize (c));
+    case 2: return_trace (u.format2.sanitize (c));
+    case 4: return_trace (u.format4.sanitize (c));
+    case 6: return_trace (u.format6.sanitize (c));
+    case 8: return_trace (u.format8.sanitize (c));
+    default:return_trace (true);
+    }
+  }
+
+  protected:
+  union {
+  UINT16		format;		/* Format identifier */
+  LookupFormat0<T>	format0;
+  LookupFormat2<T>	format2;
+  LookupFormat4<T>	format4;
+  LookupFormat6<T>	format6;
+  LookupFormat8<T>	format8;
+  } u;
+  public:
+  DEFINE_SIZE_UNION (2, format);
+};
+
+// Instantiate, to catch compile errors.
+Lookup<GlyphID> g;
+Lookup<Tag> t;
+
+
 } /* namespace AAT */
 
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index a8a8de4d5..2cd7743bc 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -74,13 +74,16 @@ struct LigatureSubtable
 
 struct NoncontextualSubtable
 {
-  /* TODO */
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    /* TODO */
-    return_trace (false);
+    return_trace (substitute.sanitize (c));
   }
+
+  protected:
+  Lookup<GlyphID>	substitute;
+  public:
+  DEFINE_SIZE_MIN (2);
 };
 
 struct InsertionSubtable
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 73ceafe32..bd647d5c1 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -41,3 +41,17 @@ _get_morx (hb_face_t *face)
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
   return *(layout->morx.get ());
 }
+
+void
+_hb_aat_layout_create (hb_face_t *face)
+{
+  OT::Sanitizer<AAT::morx> sanitizer;
+  sanitizer.set_num_glyphs (face->get_num_glyphs ());
+  hb_blob_t *morx_blob = sanitizer.sanitize (face->reference_table (HB_AAT_TAG_MORX));
+  OT::Sanitizer<AAT::morx>::lock_instance (morx_blob);
+
+  if (0)
+  {
+    OT::Sanitizer<AAT::Lookup<OT::GlyphID> >::lock_instance (morx_blob)->get_value (1, face->get_num_glyphs ());
+  }
+}
diff --git a/src/hb-face.cc b/src/hb-face.cc
index 26fddbe52..d8af8c1f3 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -164,7 +164,7 @@ hb_face_create (hb_blob_t    *blob,
   if (unlikely (!blob))
     blob = hb_blob_get_empty ();
 
-  hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index);
+  hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (OT::Sanitizer<OT::OpenTypeFontFile>().sanitize (hb_blob_reference (blob)), index);
 
   if (unlikely (!closure))
     return hb_face_get_empty ();
@@ -424,7 +424,7 @@ hb_face_get_upem (hb_face_t *face)
 void
 hb_face_t::load_upem (void) const
 {
-  hb_blob_t *head_blob = OT::Sanitizer<OT::head>::sanitize (reference_table (HB_OT_TAG_head));
+  hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (reference_table (HB_OT_TAG_head));
   const OT::head *head_table = OT::Sanitizer<OT::head>::lock_instance (head_blob);
   upem = head_table->get_upem ();
   hb_blob_destroy (head_blob);
@@ -468,7 +468,7 @@ hb_face_get_glyph_count (hb_face_t *face)
 void
 hb_face_t::load_num_glyphs (void) const
 {
-  hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>::sanitize (reference_table (HB_OT_TAG_maxp));
+  hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (reference_table (HB_OT_TAG_maxp));
   const OT::maxp *maxp_table = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob);
   num_glyphs = maxp_table->get_num_glyphs ();
   hb_blob_destroy (maxp_blob);
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 2f4e1b9e9..b68568cc6 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -187,7 +187,8 @@ struct hb_sanitize_context_t :
 	debug_depth (0),
 	start (nullptr), end (nullptr),
 	writable (false), edit_count (0),
-	blob (nullptr) {}
+	blob (nullptr),
+	num_glyphs (0) {}
 
   inline const char *get_name (void) { return "SANITIZE"; }
   template <typename T, typename F>
@@ -298,6 +299,7 @@ struct hb_sanitize_context_t :
   bool writable;
   unsigned int edit_count;
   hb_blob_t *blob;
+  unsigned int num_glyphs;
 };
 
 
@@ -306,8 +308,9 @@ struct hb_sanitize_context_t :
 template <typename Type>
 struct Sanitizer
 {
-  static hb_blob_t *sanitize (hb_blob_t *blob) {
-    hb_sanitize_context_t c[1];
+  inline Sanitizer (void) {}
+
+  inline hb_blob_t *sanitize (hb_blob_t *blob) {
     bool sane;
 
     /* TODO is_sane() stuff */
@@ -370,6 +373,11 @@ struct Sanitizer
     const char *base = hb_blob_get_data (blob, nullptr);
     return unlikely (!base) ? &Null(Type) : CastP<Type> (base);
   }
+
+  inline void set_num_glyphs (unsigned int num_glyphs) { c->num_glyphs = num_glyphs; }
+
+  private:
+  hb_sanitize_context_t c[1];
 };
 
 
@@ -1154,7 +1162,7 @@ struct hb_lazy_table_loader_t
     T *p = (T *) hb_atomic_ptr_get (&instance);
     if (unlikely (!p))
     {
-      hb_blob_t *blob_ = OT::Sanitizer<T>::sanitize (face->reference_table (T::tableTag));
+      hb_blob_t *blob_ = OT::Sanitizer<T>().sanitize (face->reference_table (T::tableTag));
       p = const_cast<T *>(OT::Sanitizer<T>::lock_instance (blob_));
       if (!hb_atomic_ptr_cmpexch (const_cast<T **>(&instance), nullptr, p))
       {
diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 415625e5f..dad34e27d 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -379,8 +379,8 @@ struct CBDT
     {
       upem = face->get_upem();
 
-      cblc_blob = Sanitizer<CBLC>::sanitize (face->reference_table (HB_OT_TAG_CBLC));
-      cbdt_blob = Sanitizer<CBDT>::sanitize (face->reference_table (HB_OT_TAG_CBDT));
+      cblc_blob = Sanitizer<CBLC>().sanitize (face->reference_table (HB_OT_TAG_CBLC));
+      cbdt_blob = Sanitizer<CBDT>().sanitize (face->reference_table (HB_OT_TAG_CBDT));
       cbdt_len = hb_blob_get_length (cbdt_blob);
 
       if (hb_blob_get_length (cblc_blob) == 0) {
diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 883d7b3f0..c61801cbb 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -508,7 +508,7 @@ struct cmap
   {
     inline void init (hb_face_t *face)
     {
-      this->blob = OT::Sanitizer<OT::cmap>::sanitize (face->reference_table (HB_OT_TAG_cmap));
+      this->blob = OT::Sanitizer<OT::cmap>().sanitize (face->reference_table (HB_OT_TAG_cmap));
       const OT::cmap *cmap = OT::Sanitizer<OT::cmap>::lock_instance (this->blob);
       const OT::CmapSubtable *subtable = nullptr;
       const OT::CmapSubtableFormat14 *subtable_uvs = nullptr;
diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 88d3850b6..c5a54e3aa 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -96,7 +96,7 @@ struct glyf
   {
     inline void init (hb_face_t *face)
     {
-      hb_blob_t *head_blob = Sanitizer<head>::sanitize (face->reference_table (HB_OT_TAG_head));
+      hb_blob_t *head_blob = Sanitizer<head>().sanitize (face->reference_table (HB_OT_TAG_head));
       const head *head_table = Sanitizer<head>::lock_instance (head_blob);
       if ((unsigned int) head_table->indexToLocFormat > 1 || head_table->glyphDataFormat != 0)
       {
@@ -107,9 +107,9 @@ struct glyf
       short_offset = 0 == head_table->indexToLocFormat;
       hb_blob_destroy (head_blob);
 
-      loca_blob = Sanitizer<loca>::sanitize (face->reference_table (HB_OT_TAG_loca));
+      loca_blob = Sanitizer<loca>().sanitize (face->reference_table (HB_OT_TAG_loca));
       loca_table = Sanitizer<loca>::lock_instance (loca_blob);
-      glyf_blob = Sanitizer<glyf>::sanitize (face->reference_table (HB_OT_TAG_glyf));
+      glyf_blob = Sanitizer<glyf>().sanitize (face->reference_table (HB_OT_TAG_glyf));
       glyf_table = Sanitizer<glyf>::lock_instance (glyf_blob);
 
       num_glyphs = MAX (1u, hb_blob_get_length (loca_blob) / (short_offset ? 2 : 4)) - 1;
diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 29770f7a1..934acde77 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -74,7 +74,7 @@ struct hmtxvmtx
       bool got_font_extents = false;
       if (T::os2Tag)
       {
-	hb_blob_t *os2_blob = Sanitizer<os2>::sanitize (face->reference_table (T::os2Tag));
+	hb_blob_t *os2_blob = Sanitizer<os2>().sanitize (face->reference_table (T::os2Tag));
 	const os2 *os2_table = Sanitizer<os2>::lock_instance (os2_blob);
 #define USE_TYPO_METRICS (1u<<7)
 	if (0 != (os2_table->fsSelection & USE_TYPO_METRICS))
@@ -87,7 +87,7 @@ struct hmtxvmtx
 	hb_blob_destroy (os2_blob);
       }
 
-      hb_blob_t *_hea_blob = Sanitizer<_hea>::sanitize (face->reference_table (T::headerTag));
+      hb_blob_t *_hea_blob = Sanitizer<_hea>().sanitize (face->reference_table (T::headerTag));
       const _hea *_hea_table = Sanitizer<_hea>::lock_instance (_hea_blob);
       num_advances = _hea_table->numberOfLongMetrics;
       if (!got_font_extents)
@@ -101,7 +101,7 @@ struct hmtxvmtx
 
       has_font_extents = got_font_extents;
 
-      blob = Sanitizer<hmtxvmtx>::sanitize (face->reference_table (T::tableTag));
+      blob = Sanitizer<hmtxvmtx>().sanitize (face->reference_table (T::tableTag));
 
       /* Cap num_metrics() and num_advances() based on table length. */
       unsigned int len = hb_blob_get_length (blob);
@@ -119,7 +119,7 @@ struct hmtxvmtx
       }
       table = Sanitizer<hmtxvmtx>::lock_instance (blob);
 
-      var_blob = Sanitizer<HVARVVAR>::sanitize (face->reference_table (T::variationsTag));
+      var_blob = Sanitizer<HVARVVAR>().sanitize (face->reference_table (T::variationsTag));
       var_table = Sanitizer<HVARVVAR>::lock_instance (var_blob);
     }
 
diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index e07faca63..c9aaf03cd 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -360,7 +360,7 @@ struct kern
   {
     inline void init (hb_face_t *face)
     {
-      blob = Sanitizer<kern>::sanitize (face->reference_table (HB_OT_TAG_kern));
+      blob = Sanitizer<kern>().sanitize (face->reference_table (HB_OT_TAG_kern));
       table = Sanitizer<kern>::lock_instance (blob);
       table_length = hb_blob_get_length (blob);
     }
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index d4737393f..14b64359f 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -50,13 +50,13 @@ _hb_ot_layout_create (hb_face_t *face)
   if (unlikely (!layout))
     return nullptr;
 
-  layout->gdef_blob = OT::Sanitizer<OT::GDEF>::sanitize (face->reference_table (HB_OT_TAG_GDEF));
+  layout->gdef_blob = OT::Sanitizer<OT::GDEF>().sanitize (face->reference_table (HB_OT_TAG_GDEF));
   layout->gdef = OT::Sanitizer<OT::GDEF>::lock_instance (layout->gdef_blob);
 
-  layout->gsub_blob = OT::Sanitizer<OT::GSUB>::sanitize (face->reference_table (HB_OT_TAG_GSUB));
+  layout->gsub_blob = OT::Sanitizer<OT::GSUB>().sanitize (face->reference_table (HB_OT_TAG_GSUB));
   layout->gsub = OT::Sanitizer<OT::GSUB>::lock_instance (layout->gsub_blob);
 
-  layout->gpos_blob = OT::Sanitizer<OT::GPOS>::sanitize (face->reference_table (HB_OT_TAG_GPOS));
+  layout->gpos_blob = OT::Sanitizer<OT::GPOS>().sanitize (face->reference_table (HB_OT_TAG_GPOS));
   layout->gpos = OT::Sanitizer<OT::GPOS>::lock_instance (layout->gpos_blob);
 
   layout->math.init (face);
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 7f1c2c420..523ba2a8e 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -86,7 +86,7 @@ struct post
   {
     inline void init (hb_face_t *face)
     {
-      blob = Sanitizer<post>::sanitize (face->reference_table (HB_OT_TAG_post));
+      blob = Sanitizer<post>().sanitize (face->reference_table (HB_OT_TAG_post));
       const post *table = Sanitizer<post>::lock_instance (blob);
       unsigned int table_length = hb_blob_get_length (blob);
 
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 0b0bad58d..5e05baa86 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -351,7 +351,7 @@ _hb_rename_font (hb_blob_t *blob, wchar_t *new_name)
    * full, PS. All of them point to the same name data with our unique name.
    */
 
-  blob = OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (blob);
+  blob = OT::Sanitizer<OT::OpenTypeFontFile>().sanitize (blob);
 
   unsigned int length, new_length, name_str_len;
   const char *orig_sfnt_data = hb_blob_get_data (blob, &length);

From 4cf3ab1d8192862f8d3c52fdcaec567735916116 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 16:32:58 +0100
Subject: [PATCH 0778/1326] Minor

---
 src/hb-ot-shape.cc | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 2f28b5620..a19763d12 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -613,8 +613,6 @@ hb_ot_substitute_complex (hb_ot_shape_context_t *c)
     hb_synthesize_glyph_classes (c);
 
   c->plan->substitute (c->font, buffer);
-
-  return;
 }
 
 static inline void

From 748b989a1fa931b011d6a4e3db39dfdc632946b2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 17:55:17 +0100
Subject: [PATCH 0779/1326] [aat/morx] Implement NoncontextualSubtables

Also makes hb-ot-shape call morx for now instead of GSUB... Just for testing.
---
 src/hb-aat-layout-common-private.hh | 34 ++++++------
 src/hb-aat-layout-morx-table.hh     | 82 ++++++++++++++++++++++++++---
 src/hb-aat-layout-private.hh        |  3 ++
 src/hb-aat-layout.cc                | 13 ++++-
 src/hb-ot-shape.cc                  |  6 +++
 5 files changed, 111 insertions(+), 27 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 88a9cd844..47efb4910 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -183,10 +183,10 @@ struct LookupFormat0
   friend struct Lookup<T>;
 
   private:
-  inline const T& get_value (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
+  inline const T* get_value (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
   {
-    if (unlikely (glyph_id >= num_glyphs)) return Null(T);
-    return arrayZ[glyph_id];
+    if (unlikely (glyph_id >= num_glyphs)) return nullptr;
+    return &arrayZ[glyph_id];
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -230,10 +230,10 @@ struct LookupFormat2
   friend struct Lookup<T>;
 
   private:
-  inline const T& get_value (hb_codepoint_t glyph_id) const
+  inline const T* get_value (hb_codepoint_t glyph_id) const
   {
     const LookupSegmentSingle<T> *v = segments.bsearch (glyph_id);
-    return v ? v->value : Null(T);
+    return v ? &v->value : nullptr;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -255,9 +255,9 @@ struct LookupFormat2
 template <typename T>
 struct LookupSegmentArray
 {
-  inline const T& get_value (hb_codepoint_t glyph_id, const void *base) const
+  inline const T* get_value (hb_codepoint_t glyph_id, const void *base) const
   {
-    return first <= glyph_id && glyph_id <= last ? (base+valuesZ)[glyph_id - first] : Null(T);
+    return first <= glyph_id && glyph_id <= last ? &(base+valuesZ)[glyph_id - first] : nullptr;
   }
 
   inline int cmp (hb_codepoint_t g) const {
@@ -287,10 +287,10 @@ struct LookupFormat4
   friend struct Lookup<T>;
 
   private:
-  inline const T& get_value (hb_codepoint_t glyph_id) const
+  inline const T* get_value (hb_codepoint_t glyph_id) const
   {
     const LookupSegmentArray<T> *v = segments.bsearch (glyph_id);
-    return v ? v->get_value (glyph_id, this) : Null(T);
+    return v ? v->get_value (glyph_id, this) : nullptr;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -332,10 +332,10 @@ struct LookupFormat6
   friend struct Lookup<T>;
 
   private:
-  inline const T& get_value (hb_codepoint_t glyph_id) const
+  inline const T* get_value (hb_codepoint_t glyph_id) const
   {
     const LookupSingle<T> *v = entries.bsearch (glyph_id);
-    return v ? v->value : Null(T);
+    return v ? &v->value : nullptr;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -358,9 +358,9 @@ struct LookupFormat8
   friend struct Lookup<T>;
 
   private:
-  inline const T& get_value (hb_codepoint_t glyph_id) const
+  inline const T* get_value (hb_codepoint_t glyph_id) const
   {
-    return firstGlyph <= glyph_id && glyph_id - firstGlyph < glyphCount ? valueArrayZ[glyph_id - firstGlyph] : Null(T);
+    return firstGlyph <= glyph_id && glyph_id - firstGlyph < glyphCount ? &valueArrayZ[glyph_id - firstGlyph] : nullptr;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -384,7 +384,7 @@ struct LookupFormat8
 template <typename T>
 struct Lookup
 {
-  inline const T& get_value (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
+  inline const T* get_value (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
   {
     switch (u.format) {
     case 0: return u.format0.get_value (glyph_id, num_glyphs);
@@ -392,7 +392,7 @@ struct Lookup
     case 4: return u.format4.get_value (glyph_id);
     case 6: return u.format6.get_value (glyph_id);
     case 8: return u.format8.get_value (glyph_id);
-    default:return Null(T);
+    default:return nullptr;
     }
   }
 
@@ -423,10 +423,6 @@ struct Lookup
   DEFINE_SIZE_UNION (2, format);
 };
 
-// Instantiate, to catch compile errors.
-Lookup<GlyphID> g;
-Lookup<Tag> t;
-
 
 } /* namespace AAT */
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 2cd7743bc..c59616e3a 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -27,8 +27,8 @@
 #ifndef HB_AAT_LAYOUT_MORX_TABLE_HH
 #define HB_AAT_LAYOUT_MORX_TABLE_HH
 
-#include <hb-open-type-private.hh>
-#include <hb-aat-layout-common-private.hh>
+#include "hb-open-type-private.hh"
+#include "hb-aat-layout-common-private.hh"
 
 #define HB_AAT_TAG_MORT HB_TAG('m','o','r','t')
 #define HB_AAT_TAG_MORX HB_TAG('m','o','r','x')
@@ -41,7 +41,13 @@ using namespace OT;
 
 struct RearrangementSubtable
 {
-  /* TODO */
+  inline bool apply (hb_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    /* TODO */
+    return_trace (false);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -52,7 +58,13 @@ struct RearrangementSubtable
 
 struct ContextualSubtable
 {
-  /* TODO */
+  inline bool apply (hb_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    /* TODO */
+    return_trace (false);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -63,7 +75,13 @@ struct ContextualSubtable
 
 struct LigatureSubtable
 {
-  /* TODO */
+  inline bool apply (hb_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    /* TODO */
+    return_trace (false);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -74,6 +92,26 @@ struct LigatureSubtable
 
 struct NoncontextualSubtable
 {
+  inline bool apply (hb_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    hb_glyph_info_t *info = buffer->info;
+    unsigned int num_glyphs = c->face->get_num_glyphs ();
+    bool ret = false;
+    unsigned int count = buffer->len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      const GlyphID *replacement = substitute.get_value (info[i].codepoint, num_glyphs);
+      if (replacement)
+      {
+	info[i].codepoint = *replacement;
+	ret = true;
+      }
+    }
+    return_trace (ret);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -88,7 +126,13 @@ struct NoncontextualSubtable
 
 struct InsertionSubtable
 {
-  /* TODO */
+  inline bool apply (hb_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    /* TODO */
+    return_trace (false);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -136,6 +180,11 @@ struct ChainSubtable
     Insertion		= 5
   };
 
+  inline void apply (hb_apply_context_t *c) const
+  {
+    dispatch (c);
+  }
+
   template <typename context_t>
   inline typename context_t::return_t dispatch (context_t *c) const
   {
@@ -180,6 +229,16 @@ struct ChainSubtable
 template <typename UINT>
 struct Chain
 {
+  inline void apply (hb_apply_context_t *c) const
+  {
+    const ChainSubtable<UINT> *subtable = &StructAtOffset<ChainSubtable<UINT> > (featureZ, featureZ[0].static_size * featureCount);
+    unsigned int count = subtableCount;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      subtable->apply (c);
+      subtable = &StructAfter<ChainSubtable<UINT> > (*subtable);
+    }
+  }
 
   inline unsigned int get_size (void) const { return length; }
 
@@ -231,6 +290,17 @@ struct mortmorx
   static const hb_tag_t mortTag	= HB_AAT_TAG_MORT;
   static const hb_tag_t morxTag	= HB_AAT_TAG_MORX;
 
+  inline void apply (hb_apply_context_t *c) const
+  {
+    const Chain<UINT> *chain = chains;
+    unsigned int count = chainCount;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      chain->apply (c);
+      chain = &StructAfter<Chain<UINT> > (*chain);
+    }
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
diff --git a/src/hb-aat-layout-private.hh b/src/hb-aat-layout-private.hh
index 6adf084c3..eb2cdd1cd 100644
--- a/src/hb-aat-layout-private.hh
+++ b/src/hb-aat-layout-private.hh
@@ -34,4 +34,7 @@
 #include "hb-open-type-private.hh"
 
 
+HB_INTERNAL void
+hb_aat_layout_substitute (OT::hb_apply_context_t *c);
+
 #endif /* HB_AAT_LAYOUT_PRIVATE_HH */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index bd647d5c1..79f0ae65f 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -25,7 +25,9 @@
  */
 
 #include "hb-open-type-private.hh"
+
 #include "hb-ot-layout-private.hh"
+#include "hb-ot-layout-gsubgpos-private.hh"
 
 #include "hb-aat-layout-private.hh"
 #include "hb-aat-layout-morx-table.hh"
@@ -39,10 +41,10 @@ _get_morx (hb_face_t *face)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(AAT::morx);
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-  return *(layout->morx.get ());
+  return *(layout->morx.get ()); /* XXX this doesn't call set_num_glyphs on sanitizer. */
 }
 
-void
+static inline void
 _hb_aat_layout_create (hb_face_t *face)
 {
   OT::Sanitizer<AAT::morx> sanitizer;
@@ -55,3 +57,10 @@ _hb_aat_layout_create (hb_face_t *face)
     OT::Sanitizer<AAT::Lookup<OT::GlyphID> >::lock_instance (morx_blob)->get_value (1, face->get_num_glyphs ());
   }
 }
+
+void
+hb_aat_layout_substitute (OT::hb_apply_context_t *c)
+{
+  const AAT::morx& morx = _get_morx (c->face);
+  morx.apply (c);
+}
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index a19763d12..693024883 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -40,6 +40,8 @@
 #include "hb-unicode-private.hh"
 #include "hb-set-private.hh"
 
+#include "hb-ot-layout-gsubgpos-private.hh"
+#include "hb-aat-layout-private.hh"
 
 static hb_tag_t common_features[] = {
   HB_TAG('c','c','m','p'),
@@ -613,6 +615,10 @@ hb_ot_substitute_complex (hb_ot_shape_context_t *c)
     hb_synthesize_glyph_classes (c);
 
   c->plan->substitute (c->font, buffer);
+
+  /* XXX Call morx instead. */
+  OT::hb_apply_context_t ac (0, c->font, c->buffer);
+  hb_aat_layout_substitute (&ac);
 }
 
 static inline void

From ebbee7c2475db789b622250addbf549695da2890 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 18:23:19 +0100
Subject: [PATCH 0780/1326] [test] Move test files around

---
 test/fuzzing/run-fuzzer-tests.py              |  2 +-
 test/shaping/Makefile.am                      | 82 +++++++++----------
 .../{ => misc}/arabic-fallback-shaping.tests  |  0
 .../{ => misc}/arabic-feature-order.tests     |  0
 .../{ => misc}/arabic-like-joining.tests      |  0
 .../tests/{ => misc}/arabic-mark-order.tests  |  0
 .../tests/{ => misc}/arabic-stch.tests        |  0
 .../{ => misc}/automatic-fractions.tests      |  0
 test/shaping/tests/{ => misc}/cluster.tests   |  0
 .../tests/{ => misc}/color-fonts.tests        |  0
 .../tests/{ => misc}/context-matching.tests   |  0
 .../{ => misc}/cursive-positioning.tests      |  0
 .../tests/{ => misc}/default-ignorables.tests |  0
 .../tests/{ => misc}/emoji-flag-tags.tests    |  0
 .../{ => misc}/fallback-positioning.tests     |  0
 test/shaping/tests/{ => misc}/fuzzed.tests    |  0
 .../tests/{ => misc}/hangul-jamo.tests        |  0
 test/shaping/tests/{ => misc}/hyphens.tests   |  0
 .../indic-consonant-with-stacker.tests        |  0
 .../shaping/tests/{ => misc}/indic-init.tests |  0
 .../{ => misc}/indic-joiner-candrabindu.tests |  0
 .../tests/{ => misc}/indic-joiners.tests      |  0
 .../tests/{ => misc}/indic-old-spec.tests     |  0
 .../{ => misc}/indic-pref-blocking.tests      |  0
 .../{ => misc}/indic-script-extensions.tests  |  0
 .../{ => misc}/indic-special-cases.tests      |  0
 .../tests/{ => misc}/indic-syllable.tests     |  0
 .../tests/{ => misc}/language-tags.tests      |  0
 .../tests/{ => misc}/ligature-id.tests        |  0
 .../tests/{ => misc}/mark-attachment.tests    |  0
 .../{ => misc}/mark-filtering-sets.tests      |  0
 .../mongolian-variation-selector.tests        |  0
 test/shaping/tests/{ => misc}/simple.tests    |  0
 test/shaping/tests/{ => misc}/spaces.tests    |  0
 .../{ => misc}/tibetan-contractions-1.tests   |  0
 .../{ => misc}/tibetan-contractions-2.tests   |  0
 .../tests/{ => misc}/tibetan-vowels.tests     |  0
 .../tests/{ => misc}/use-marchen.tests        |  0
 .../tests/{ => misc}/use-syllable.tests       |  0
 test/shaping/tests/{ => misc}/use.tests       |  0
 .../tests/{ => misc}/variations-rvrn.tests    |  0
 test/shaping/tests/{ => misc}/vertical.tests  |  0
 .../tests/{ => misc}/zero-width-marks.tests   |  0
 43 files changed, 42 insertions(+), 42 deletions(-)
 rename test/shaping/tests/{ => misc}/arabic-fallback-shaping.tests (100%)
 rename test/shaping/tests/{ => misc}/arabic-feature-order.tests (100%)
 rename test/shaping/tests/{ => misc}/arabic-like-joining.tests (100%)
 rename test/shaping/tests/{ => misc}/arabic-mark-order.tests (100%)
 rename test/shaping/tests/{ => misc}/arabic-stch.tests (100%)
 rename test/shaping/tests/{ => misc}/automatic-fractions.tests (100%)
 rename test/shaping/tests/{ => misc}/cluster.tests (100%)
 rename test/shaping/tests/{ => misc}/color-fonts.tests (100%)
 rename test/shaping/tests/{ => misc}/context-matching.tests (100%)
 rename test/shaping/tests/{ => misc}/cursive-positioning.tests (100%)
 rename test/shaping/tests/{ => misc}/default-ignorables.tests (100%)
 rename test/shaping/tests/{ => misc}/emoji-flag-tags.tests (100%)
 rename test/shaping/tests/{ => misc}/fallback-positioning.tests (100%)
 rename test/shaping/tests/{ => misc}/fuzzed.tests (100%)
 rename test/shaping/tests/{ => misc}/hangul-jamo.tests (100%)
 rename test/shaping/tests/{ => misc}/hyphens.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-consonant-with-stacker.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-init.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-joiner-candrabindu.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-joiners.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-old-spec.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-pref-blocking.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-script-extensions.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-special-cases.tests (100%)
 rename test/shaping/tests/{ => misc}/indic-syllable.tests (100%)
 rename test/shaping/tests/{ => misc}/language-tags.tests (100%)
 rename test/shaping/tests/{ => misc}/ligature-id.tests (100%)
 rename test/shaping/tests/{ => misc}/mark-attachment.tests (100%)
 rename test/shaping/tests/{ => misc}/mark-filtering-sets.tests (100%)
 rename test/shaping/tests/{ => misc}/mongolian-variation-selector.tests (100%)
 rename test/shaping/tests/{ => misc}/simple.tests (100%)
 rename test/shaping/tests/{ => misc}/spaces.tests (100%)
 rename test/shaping/tests/{ => misc}/tibetan-contractions-1.tests (100%)
 rename test/shaping/tests/{ => misc}/tibetan-contractions-2.tests (100%)
 rename test/shaping/tests/{ => misc}/tibetan-vowels.tests (100%)
 rename test/shaping/tests/{ => misc}/use-marchen.tests (100%)
 rename test/shaping/tests/{ => misc}/use-syllable.tests (100%)
 rename test/shaping/tests/{ => misc}/use.tests (100%)
 rename test/shaping/tests/{ => misc}/variations-rvrn.tests (100%)
 rename test/shaping/tests/{ => misc}/vertical.tests (100%)
 rename test/shaping/tests/{ => misc}/zero-width-marks.tests (100%)

diff --git a/test/fuzzing/run-fuzzer-tests.py b/test/fuzzing/run-fuzzer-tests.py
index 673ee9a96..23922ccd4 100755
--- a/test/fuzzing/run-fuzzer-tests.py
+++ b/test/fuzzing/run-fuzzer-tests.py
@@ -19,7 +19,7 @@ please provide it as the first argument to the tool""")
 print ('hb_fuzzer:', hb_fuzzer)
 fails = 0
 
-for line in open (os.path.join (srcdir, "..", "shaping", "tests", "fuzzed.tests")):
+for line in open (os.path.join (srcdir, "..", "shaping", "tests", "misc", "fuzzed.tests")):
 	font = line.split (":")[0]
 
 	p = subprocess.Popen (
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 4379363fb..e2944f607 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -42,47 +42,47 @@ CLEANFILES += \
 	$(NULL)
 
 TESTS = \
-	tests/arabic-fallback-shaping.tests \
-	tests/arabic-feature-order.tests \
-	tests/arabic-like-joining.tests \
-	tests/arabic-mark-order.tests \
-	tests/arabic-stch.tests \
-	tests/automatic-fractions.tests \
-	tests/cluster.tests \
-	tests/color-fonts.tests \
-	tests/context-matching.tests \
-	tests/cursive-positioning.tests \
-	tests/default-ignorables.tests \
-	tests/emoji-flag-tags.tests \
-	tests/fallback-positioning.tests \
-	tests/fuzzed.tests \
-	tests/hangul-jamo.tests \
-	tests/hyphens.tests \
-	tests/indic-consonant-with-stacker.tests \
-	tests/indic-init.tests \
-	tests/indic-joiner-candrabindu.tests \
-	tests/indic-joiners.tests \
-	tests/indic-old-spec.tests \
-	tests/indic-pref-blocking.tests \
-	tests/indic-script-extensions.tests \
-	tests/indic-special-cases.tests \
-	tests/indic-syllable.tests \
-	tests/language-tags.tests \
-	tests/ligature-id.tests \
-	tests/mark-attachment.tests \
-	tests/mark-filtering-sets.tests \
-	tests/mongolian-variation-selector.tests \
-	tests/spaces.tests \
-	tests/simple.tests \
-	tests/tibetan-contractions-1.tests \
-	tests/tibetan-contractions-2.tests \
-	tests/tibetan-vowels.tests \
-	tests/use.tests \
-	tests/use-marchen.tests \
-	tests/use-syllable.tests \
-	tests/variations-rvrn.tests \
-	tests/vertical.tests \
-	tests/zero-width-marks.tests \
+	tests/misc/arabic-fallback-shaping.tests \
+	tests/misc/arabic-feature-order.tests \
+	tests/misc/arabic-like-joining.tests \
+	tests/misc/arabic-mark-order.tests \
+	tests/misc/arabic-stch.tests \
+	tests/misc/automatic-fractions.tests \
+	tests/misc/cluster.tests \
+	tests/misc/color-fonts.tests \
+	tests/misc/context-matching.tests \
+	tests/misc/cursive-positioning.tests \
+	tests/misc/default-ignorables.tests \
+	tests/misc/emoji-flag-tags.tests \
+	tests/misc/fallback-positioning.tests \
+	tests/misc/fuzzed.tests \
+	tests/misc/hangul-jamo.tests \
+	tests/misc/hyphens.tests \
+	tests/misc/indic-consonant-with-stacker.tests \
+	tests/misc/indic-init.tests \
+	tests/misc/indic-joiner-candrabindu.tests \
+	tests/misc/indic-joiners.tests \
+	tests/misc/indic-old-spec.tests \
+	tests/misc/indic-pref-blocking.tests \
+	tests/misc/indic-script-extensions.tests \
+	tests/misc/indic-special-cases.tests \
+	tests/misc/indic-syllable.tests \
+	tests/misc/language-tags.tests \
+	tests/misc/ligature-id.tests \
+	tests/misc/mark-attachment.tests \
+	tests/misc/mark-filtering-sets.tests \
+	tests/misc/mongolian-variation-selector.tests \
+	tests/misc/spaces.tests \
+	tests/misc/simple.tests \
+	tests/misc/tibetan-contractions-1.tests \
+	tests/misc/tibetan-contractions-2.tests \
+	tests/misc/tibetan-vowels.tests \
+	tests/misc/use.tests \
+	tests/misc/use-marchen.tests \
+	tests/misc/use-syllable.tests \
+	tests/misc/variations-rvrn.tests \
+	tests/misc/vertical.tests \
+	tests/misc/zero-width-marks.tests \
 	$(NULL)
 
 TEST_EXTENSIONS = \
diff --git a/test/shaping/tests/arabic-fallback-shaping.tests b/test/shaping/tests/misc/arabic-fallback-shaping.tests
similarity index 100%
rename from test/shaping/tests/arabic-fallback-shaping.tests
rename to test/shaping/tests/misc/arabic-fallback-shaping.tests
diff --git a/test/shaping/tests/arabic-feature-order.tests b/test/shaping/tests/misc/arabic-feature-order.tests
similarity index 100%
rename from test/shaping/tests/arabic-feature-order.tests
rename to test/shaping/tests/misc/arabic-feature-order.tests
diff --git a/test/shaping/tests/arabic-like-joining.tests b/test/shaping/tests/misc/arabic-like-joining.tests
similarity index 100%
rename from test/shaping/tests/arabic-like-joining.tests
rename to test/shaping/tests/misc/arabic-like-joining.tests
diff --git a/test/shaping/tests/arabic-mark-order.tests b/test/shaping/tests/misc/arabic-mark-order.tests
similarity index 100%
rename from test/shaping/tests/arabic-mark-order.tests
rename to test/shaping/tests/misc/arabic-mark-order.tests
diff --git a/test/shaping/tests/arabic-stch.tests b/test/shaping/tests/misc/arabic-stch.tests
similarity index 100%
rename from test/shaping/tests/arabic-stch.tests
rename to test/shaping/tests/misc/arabic-stch.tests
diff --git a/test/shaping/tests/automatic-fractions.tests b/test/shaping/tests/misc/automatic-fractions.tests
similarity index 100%
rename from test/shaping/tests/automatic-fractions.tests
rename to test/shaping/tests/misc/automatic-fractions.tests
diff --git a/test/shaping/tests/cluster.tests b/test/shaping/tests/misc/cluster.tests
similarity index 100%
rename from test/shaping/tests/cluster.tests
rename to test/shaping/tests/misc/cluster.tests
diff --git a/test/shaping/tests/color-fonts.tests b/test/shaping/tests/misc/color-fonts.tests
similarity index 100%
rename from test/shaping/tests/color-fonts.tests
rename to test/shaping/tests/misc/color-fonts.tests
diff --git a/test/shaping/tests/context-matching.tests b/test/shaping/tests/misc/context-matching.tests
similarity index 100%
rename from test/shaping/tests/context-matching.tests
rename to test/shaping/tests/misc/context-matching.tests
diff --git a/test/shaping/tests/cursive-positioning.tests b/test/shaping/tests/misc/cursive-positioning.tests
similarity index 100%
rename from test/shaping/tests/cursive-positioning.tests
rename to test/shaping/tests/misc/cursive-positioning.tests
diff --git a/test/shaping/tests/default-ignorables.tests b/test/shaping/tests/misc/default-ignorables.tests
similarity index 100%
rename from test/shaping/tests/default-ignorables.tests
rename to test/shaping/tests/misc/default-ignorables.tests
diff --git a/test/shaping/tests/emoji-flag-tags.tests b/test/shaping/tests/misc/emoji-flag-tags.tests
similarity index 100%
rename from test/shaping/tests/emoji-flag-tags.tests
rename to test/shaping/tests/misc/emoji-flag-tags.tests
diff --git a/test/shaping/tests/fallback-positioning.tests b/test/shaping/tests/misc/fallback-positioning.tests
similarity index 100%
rename from test/shaping/tests/fallback-positioning.tests
rename to test/shaping/tests/misc/fallback-positioning.tests
diff --git a/test/shaping/tests/fuzzed.tests b/test/shaping/tests/misc/fuzzed.tests
similarity index 100%
rename from test/shaping/tests/fuzzed.tests
rename to test/shaping/tests/misc/fuzzed.tests
diff --git a/test/shaping/tests/hangul-jamo.tests b/test/shaping/tests/misc/hangul-jamo.tests
similarity index 100%
rename from test/shaping/tests/hangul-jamo.tests
rename to test/shaping/tests/misc/hangul-jamo.tests
diff --git a/test/shaping/tests/hyphens.tests b/test/shaping/tests/misc/hyphens.tests
similarity index 100%
rename from test/shaping/tests/hyphens.tests
rename to test/shaping/tests/misc/hyphens.tests
diff --git a/test/shaping/tests/indic-consonant-with-stacker.tests b/test/shaping/tests/misc/indic-consonant-with-stacker.tests
similarity index 100%
rename from test/shaping/tests/indic-consonant-with-stacker.tests
rename to test/shaping/tests/misc/indic-consonant-with-stacker.tests
diff --git a/test/shaping/tests/indic-init.tests b/test/shaping/tests/misc/indic-init.tests
similarity index 100%
rename from test/shaping/tests/indic-init.tests
rename to test/shaping/tests/misc/indic-init.tests
diff --git a/test/shaping/tests/indic-joiner-candrabindu.tests b/test/shaping/tests/misc/indic-joiner-candrabindu.tests
similarity index 100%
rename from test/shaping/tests/indic-joiner-candrabindu.tests
rename to test/shaping/tests/misc/indic-joiner-candrabindu.tests
diff --git a/test/shaping/tests/indic-joiners.tests b/test/shaping/tests/misc/indic-joiners.tests
similarity index 100%
rename from test/shaping/tests/indic-joiners.tests
rename to test/shaping/tests/misc/indic-joiners.tests
diff --git a/test/shaping/tests/indic-old-spec.tests b/test/shaping/tests/misc/indic-old-spec.tests
similarity index 100%
rename from test/shaping/tests/indic-old-spec.tests
rename to test/shaping/tests/misc/indic-old-spec.tests
diff --git a/test/shaping/tests/indic-pref-blocking.tests b/test/shaping/tests/misc/indic-pref-blocking.tests
similarity index 100%
rename from test/shaping/tests/indic-pref-blocking.tests
rename to test/shaping/tests/misc/indic-pref-blocking.tests
diff --git a/test/shaping/tests/indic-script-extensions.tests b/test/shaping/tests/misc/indic-script-extensions.tests
similarity index 100%
rename from test/shaping/tests/indic-script-extensions.tests
rename to test/shaping/tests/misc/indic-script-extensions.tests
diff --git a/test/shaping/tests/indic-special-cases.tests b/test/shaping/tests/misc/indic-special-cases.tests
similarity index 100%
rename from test/shaping/tests/indic-special-cases.tests
rename to test/shaping/tests/misc/indic-special-cases.tests
diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/misc/indic-syllable.tests
similarity index 100%
rename from test/shaping/tests/indic-syllable.tests
rename to test/shaping/tests/misc/indic-syllable.tests
diff --git a/test/shaping/tests/language-tags.tests b/test/shaping/tests/misc/language-tags.tests
similarity index 100%
rename from test/shaping/tests/language-tags.tests
rename to test/shaping/tests/misc/language-tags.tests
diff --git a/test/shaping/tests/ligature-id.tests b/test/shaping/tests/misc/ligature-id.tests
similarity index 100%
rename from test/shaping/tests/ligature-id.tests
rename to test/shaping/tests/misc/ligature-id.tests
diff --git a/test/shaping/tests/mark-attachment.tests b/test/shaping/tests/misc/mark-attachment.tests
similarity index 100%
rename from test/shaping/tests/mark-attachment.tests
rename to test/shaping/tests/misc/mark-attachment.tests
diff --git a/test/shaping/tests/mark-filtering-sets.tests b/test/shaping/tests/misc/mark-filtering-sets.tests
similarity index 100%
rename from test/shaping/tests/mark-filtering-sets.tests
rename to test/shaping/tests/misc/mark-filtering-sets.tests
diff --git a/test/shaping/tests/mongolian-variation-selector.tests b/test/shaping/tests/misc/mongolian-variation-selector.tests
similarity index 100%
rename from test/shaping/tests/mongolian-variation-selector.tests
rename to test/shaping/tests/misc/mongolian-variation-selector.tests
diff --git a/test/shaping/tests/simple.tests b/test/shaping/tests/misc/simple.tests
similarity index 100%
rename from test/shaping/tests/simple.tests
rename to test/shaping/tests/misc/simple.tests
diff --git a/test/shaping/tests/spaces.tests b/test/shaping/tests/misc/spaces.tests
similarity index 100%
rename from test/shaping/tests/spaces.tests
rename to test/shaping/tests/misc/spaces.tests
diff --git a/test/shaping/tests/tibetan-contractions-1.tests b/test/shaping/tests/misc/tibetan-contractions-1.tests
similarity index 100%
rename from test/shaping/tests/tibetan-contractions-1.tests
rename to test/shaping/tests/misc/tibetan-contractions-1.tests
diff --git a/test/shaping/tests/tibetan-contractions-2.tests b/test/shaping/tests/misc/tibetan-contractions-2.tests
similarity index 100%
rename from test/shaping/tests/tibetan-contractions-2.tests
rename to test/shaping/tests/misc/tibetan-contractions-2.tests
diff --git a/test/shaping/tests/tibetan-vowels.tests b/test/shaping/tests/misc/tibetan-vowels.tests
similarity index 100%
rename from test/shaping/tests/tibetan-vowels.tests
rename to test/shaping/tests/misc/tibetan-vowels.tests
diff --git a/test/shaping/tests/use-marchen.tests b/test/shaping/tests/misc/use-marchen.tests
similarity index 100%
rename from test/shaping/tests/use-marchen.tests
rename to test/shaping/tests/misc/use-marchen.tests
diff --git a/test/shaping/tests/use-syllable.tests b/test/shaping/tests/misc/use-syllable.tests
similarity index 100%
rename from test/shaping/tests/use-syllable.tests
rename to test/shaping/tests/misc/use-syllable.tests
diff --git a/test/shaping/tests/use.tests b/test/shaping/tests/misc/use.tests
similarity index 100%
rename from test/shaping/tests/use.tests
rename to test/shaping/tests/misc/use.tests
diff --git a/test/shaping/tests/variations-rvrn.tests b/test/shaping/tests/misc/variations-rvrn.tests
similarity index 100%
rename from test/shaping/tests/variations-rvrn.tests
rename to test/shaping/tests/misc/variations-rvrn.tests
diff --git a/test/shaping/tests/vertical.tests b/test/shaping/tests/misc/vertical.tests
similarity index 100%
rename from test/shaping/tests/vertical.tests
rename to test/shaping/tests/misc/vertical.tests
diff --git a/test/shaping/tests/zero-width-marks.tests b/test/shaping/tests/misc/zero-width-marks.tests
similarity index 100%
rename from test/shaping/tests/zero-width-marks.tests
rename to test/shaping/tests/misc/zero-width-marks.tests

From b6b460024d29362914c72cc5f8fbaec215db5b16 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 21:33:38 +0100
Subject: [PATCH 0781/1326] [test] Remove unused manifest stuff

---
 test/shaping/Makefile.am        | 7 -------
 test/shaping/hb-manifest-read   | 5 -----
 test/shaping/hb-manifest-update | 5 -----
 3 files changed, 17 deletions(-)
 delete mode 100755 test/shaping/hb-manifest-read
 delete mode 100755 test/shaping/hb-manifest-update

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index e2944f607..fa1faf512 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -10,9 +10,6 @@ MAINTAINERCLEANFILES =
 lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
 
-manifests:
-	@$(srcdir)/hb-manifest-update "$(srcdir)/texts" "$(srcdir)/fonts" "$(srcdir)/tests"
-
 EXTRA_DIST += \
 	README.md \
 	hb-diff \
@@ -20,8 +17,6 @@ EXTRA_DIST += \
 	hb-diff-filter-failures \
 	hb-diff-ngrams \
 	hb-diff-stat \
-	hb-manifest-read \
-	hb-manifest-update \
 	hb-unicode-decode \
 	hb-unicode-encode \
 	hb-unicode-prettyname \
@@ -107,6 +102,4 @@ endif
 
 TESTS_LOG_COMPILER = $(srcdir)/run-tests.py
 
-.PHONY: manifests
-
 -include $(top_srcdir)/git.mk
diff --git a/test/shaping/hb-manifest-read b/test/shaping/hb-manifest-read
deleted file mode 100755
index b1b36ba8a..000000000
--- a/test/shaping/hb-manifest-read
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env python
-
-from hb_test_tools import *
-
-UtilMains.process_multiple_args (FilterHelpers.filter_printer_function (Manifest.read), mnemonic="DIR")
diff --git a/test/shaping/hb-manifest-update b/test/shaping/hb-manifest-update
deleted file mode 100755
index eeb84b86b..000000000
--- a/test/shaping/hb-manifest-update
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env python
-
-from hb_test_tools import *
-
-UtilMains.process_multiple_args (Manifest.update_recursive, mnemonic="DIR")

From 9a3ad307ea91794712531dfc688700c11a1ff263 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 21:35:21 +0100
Subject: [PATCH 0782/1326] [test] Remove unused hb-diff-ngrams

---
 test/shaping/Makefile.am      |  1 -
 test/shaping/hb-diff-ngrams   |  5 -----
 test/shaping/hb_test_tools.py | 26 --------------------------
 3 files changed, 32 deletions(-)
 delete mode 100755 test/shaping/hb-diff-ngrams

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index fa1faf512..ffcba9772 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -15,7 +15,6 @@ EXTRA_DIST += \
 	hb-diff \
 	hb-diff-colorize \
 	hb-diff-filter-failures \
-	hb-diff-ngrams \
 	hb-diff-stat \
 	hb-unicode-decode \
 	hb-unicode-encode \
diff --git a/test/shaping/hb-diff-ngrams b/test/shaping/hb-diff-ngrams
deleted file mode 100755
index c02f5415f..000000000
--- a/test/shaping/hb-diff-ngrams
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env python
-
-from hb_test_tools import *
-
-UtilMains.process_multiple_files (DiffSinks.print_ngrams)
diff --git a/test/shaping/hb_test_tools.py b/test/shaping/hb_test_tools.py
index c9bb1dd33..f7e594347 100644
--- a/test/shaping/hb_test_tools.py
+++ b/test/shaping/hb_test_tools.py
@@ -293,32 +293,6 @@ class DiffSinks:
 		total = passed + failed
 		print ("%d out of %d tests passed.  %d failed (%g%%)" % (passed, total, failed, 100. * failed / total))
 
-	@staticmethod
-	def print_ngrams (f, ns=(1,2,3)):
-		gens = tuple (Ngram.generator (n) for n in ns)
-		allstats = Stats ()
-		allgrams = {}
-		for key, lines in DiffHelpers.separate_test_cases (f):
-			test = Test (lines)
-			allstats.add (test)
-
-			for gen in gens:
-				for ngram in gen (test.unicodes):
-					if ngram not in allgrams:
-						allgrams[ngram] = Stats ()
-					allgrams[ngram].add (test)
-
-		importantgrams = {}
-		for ngram, stats in allgrams.iteritems ():
-			if stats.failed.count >= 30: # for statistical reasons
-				importantgrams[ngram] = stats
-		allgrams = importantgrams
-		del importantgrams
-
-		for ngram, stats in allgrams.iteritems ():
-			print ("zscore: %9f failed: %6d passed: %6d ngram: <%s>" % (stats.zscore (allstats), stats.failed.count, stats.passed.count, ','.join ("U+%04X" % u for u in ngram)))
-
-
 
 class Test:
 

From 44c65eee28e2de5c54028cb0ef144f56da16ef58 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 21:58:57 +0100
Subject: [PATCH 0783/1326] [test] Reorganize test suite

In anticipation of importing more test suites.
---
 test/fuzzing/run-fuzzer-tests.py              |   2 +-
 test/shaping/Makefile.am                      |  86 +++++++--------
 test/shaping/{fonts => data/in-house}/COPYING |   7 +-
 ...09e80afb379d16560e9e47bdd7d888bebdebc6.ttf | Bin
 ...1d92f8bc6ff724511b296c27623f824de256e9.ttf | Bin
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 .../tests/arabic-fallback-shaping.tests       |   1 +
 .../in-house/tests/arabic-feature-order.tests |   4 +
 .../in-house/tests/arabic-like-joining.tests  |   1 +
 .../in-house/tests/arabic-mark-order.tests    |   6 ++
 .../data/in-house/tests/arabic-stch.tests     |   1 +
 .../in-house/tests/automatic-fractions.tests  |   3 +
 .../shaping/data/in-house/tests/cluster.tests |   2 +
 .../data/in-house/tests/color-fonts.tests     |   1 +
 .../in-house/tests/context-matching.tests     |   3 +
 .../in-house/tests/cursive-positioning.tests  |   4 +
 .../in-house/tests/default-ignorables.tests   |   2 +
 .../data/in-house/tests/emoji-flag-tags.tests |   2 +
 .../in-house/tests/fallback-positioning.tests |   2 +
 test/shaping/data/in-house/tests/fuzzed.tests |  22 ++++
 .../data/in-house/tests/hangul-jamo.tests     |   2 +
 .../shaping/data/in-house/tests/hyphens.tests |   2 +
 .../tests/indic-consonant-with-stacker.tests  |   4 +
 .../data/in-house/tests/indic-init.tests      |   1 +
 .../tests/indic-joiner-candrabindu.tests      |   2 +
 .../data/in-house/tests/indic-joiners.tests   |   2 +
 .../data/in-house/tests/indic-old-spec.tests  |   2 +
 .../in-house/tests/indic-pref-blocking.tests  |   2 +
 .../tests/indic-script-extensions.tests       |   2 +
 .../in-house/tests/indic-special-cases.tests  |   3 +
 .../data/in-house/tests/indic-syllable.tests  |   8 ++
 .../data/in-house/tests/language-tags.tests   |  12 +++
 .../data/in-house/tests/ligature-id.tests     |  36 +++++++
 .../data/in-house/tests/mark-attachment.tests |   1 +
 .../in-house/tests/mark-filtering-sets.tests  |   5 +
 .../tests/mongolian-variation-selector.tests  |   4 +
 test/shaping/data/in-house/tests/simple.tests |   2 +
 test/shaping/data/in-house/tests/spaces.tests |  17 +++
 .../tests/tibetan-contractions-1.tests        |  60 +++++++++++
 .../tests/tibetan-contractions-2.tests        |  53 ++++++++++
 .../data/in-house/tests/tibetan-vowels.tests  |  11 ++
 .../data/in-house/tests/use-marchen.tests     |  35 ++++++
 .../data/in-house/tests/use-syllable.tests    |   7 ++
 test/shaping/data/in-house/tests/use.tests    |   4 +
 .../data/in-house/tests/variations-rvrn.tests | 100 ++++++++++++++++++
 .../data/in-house/tests/vertical.tests        |   3 +
 .../in-house/tests/zero-width-marks.tests     |  11 ++
 test/shaping/run-tests.py                     |  46 ++++----
 .../tests/misc/arabic-fallback-shaping.tests  |   1 -
 .../tests/misc/arabic-feature-order.tests     |   4 -
 .../tests/misc/arabic-like-joining.tests      |   1 -
 .../tests/misc/arabic-mark-order.tests        |   6 --
 test/shaping/tests/misc/arabic-stch.tests     |   1 -
 .../tests/misc/automatic-fractions.tests      |   3 -
 test/shaping/tests/misc/cluster.tests         |   2 -
 test/shaping/tests/misc/color-fonts.tests     |   1 -
 .../shaping/tests/misc/context-matching.tests |   3 -
 .../tests/misc/cursive-positioning.tests      |   4 -
 .../tests/misc/default-ignorables.tests       |   2 -
 test/shaping/tests/misc/emoji-flag-tags.tests |   2 -
 .../tests/misc/fallback-positioning.tests     |   2 -
 test/shaping/tests/misc/fuzzed.tests          |  22 ----
 test/shaping/tests/misc/hangul-jamo.tests     |   2 -
 test/shaping/tests/misc/hyphens.tests         |   2 -
 .../misc/indic-consonant-with-stacker.tests   |   4 -
 test/shaping/tests/misc/indic-init.tests      |   1 -
 .../tests/misc/indic-joiner-candrabindu.tests |   2 -
 test/shaping/tests/misc/indic-joiners.tests   |   2 -
 test/shaping/tests/misc/indic-old-spec.tests  |   2 -
 .../tests/misc/indic-pref-blocking.tests      |   2 -
 .../tests/misc/indic-script-extensions.tests  |   2 -
 .../tests/misc/indic-special-cases.tests      |   3 -
 test/shaping/tests/misc/indic-syllable.tests  |   8 --
 test/shaping/tests/misc/language-tags.tests   |  12 ---
 test/shaping/tests/misc/ligature-id.tests     |  36 -------
 test/shaping/tests/misc/mark-attachment.tests |   1 -
 .../tests/misc/mark-filtering-sets.tests      |   5 -
 .../misc/mongolian-variation-selector.tests   |   4 -
 test/shaping/tests/misc/simple.tests          |   2 -
 test/shaping/tests/misc/spaces.tests          |  17 ---
 .../tests/misc/tibetan-contractions-1.tests   |  60 -----------
 .../tests/misc/tibetan-contractions-2.tests   |  53 ----------
 test/shaping/tests/misc/tibetan-vowels.tests  |  11 --
 test/shaping/tests/misc/use-marchen.tests     |  35 ------
 test/shaping/tests/misc/use-syllable.tests    |   7 --
 test/shaping/tests/misc/use.tests             |   4 -
 test/shaping/tests/misc/variations-rvrn.tests | 100 ------------------
 test/shaping/tests/misc/vertical.tests        |   3 -
 .../shaping/tests/misc/zero-width-marks.tests |  11 --
 .../script-arabic/language-persian/mehran.txt |  14 +--
 .../language-urdu/crulp/ligatures/2grams.txt  |   0
 .../language-urdu/crulp/ligatures/3grams.txt  |   0
 .../language-urdu/crulp/ligatures/4grams.txt  |   0
 .../language-urdu/crulp/ligatures/5grams.txt  |   0
 .../language-urdu/crulp/ligatures/6grams.txt  |   0
 .../language-urdu/crulp/ligatures/7grams.txt  |   0
 .../language-urdu/crulp/ligatures/8grams.txt  |   0
 .../language-urdu/crulp/ligatures/LICENSE     |   0
 .../language-urdu/crulp/ligatures/README      |   0
 .../language-urdu/crulp/ligatures/SOURCES     |   0
 .../misc/diacritics/lam-alef.txt              |   0
 .../misc/diacritics/language-arabic.txt       |   0
 .../misc/diacritics/language-persian.txt      |   0
 .../misc/diacritics/language-urdu.txt         |   0
 .../misc/diacritics/ligature-components.txt   |   0
 .../misc/diacritics/ligature-diacritics.txt   |   0
 .../misc/diacritics/mark-skipping.txt         |   0
 .../script-mongolian/misc/misc.txt            |   0
 .../script-mongolian/misc/non-joining.txt     |   0
 .../script-mongolian/misc/poem.txt            |   0
 .../misc/variation-selectors.txt              |   0
 .../shaper-arabic/script-nko/misc/misc.txt    |   0
 .../script-phags-pa/misc/misc.txt             |   0
 .../script-syriac/misc/abbreviation-mark.txt  |  11 ++
 .../script-syriac/misc/alaph.txt              |   0
 .../script-ethiopic/misc/misc.txt             |   0
 .../script-han/misc/cjk-compat.txt            |   0
 .../misc/kazuraki-liga-lines.txt              |   0
 .../script-hiragana/misc/kazuraki-liga.txt    |   0
 .../script-linear-b/misc/misc.txt             |   0
 .../script-tifinagh/misc/misc.txt             |   1 -
 .../shaper-hangul/script-hangul/misc/misc.txt |   0
 .../script-hebrew/misc/diacritics.txt         |   0
 .../indic/script-assamese/utrrs/LICENSE       |   0
 .../indic/script-assamese/utrrs/README        |   0
 .../indic/script-assamese/utrrs/SOURCES       |   0
 ...cFontFeatureCodepoint-AdditionalVowels.txt |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../gpos/IndicFontFeatureGPOS-AboveBase.txt   |   0
 .../gpos/IndicFontFeatureGPOS-BelowBase.txt   |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-bengali/misc/misc.txt        |   0
 .../indic/script-bengali/misc/reph.txt        |   0
 .../indic/script-bengali/utrrs/LICENSE        |   0
 .../indic/script-bengali/utrrs/README         |   0
 .../indic/script-bengali/utrrs/SOURCES        |   0
 ...cFontFeatureCodepoint-AdditionalVowels.txt |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../gpos/IndicFontFeatureGPOS-AboveBase.txt   |   0
 .../gpos/IndicFontFeatureGPOS-BelowBase.txt   |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../script-devanagari/misc/dottedcircle.txt   |   0
 .../indic/script-devanagari/misc/eyelash.txt  |   0
 .../indic/script-devanagari/misc/joiners.txt  |   0
 .../indic/script-devanagari/misc/misc.txt     |   0
 .../misc/spec-deviations.txt                  |   0
 .../misc/tricky-reordering.txt                |   0
 .../indic/script-devanagari/utrrs/LICENSE     |   0
 .../indic/script-devanagari/utrrs/README      |   0
 .../indic/script-devanagari/utrrs/SOURCES     |   0
 ...tFeatureCodepoint-AdditionalConsonants.txt |   0
 ...cFontFeatureCodepoint-AdditionalVowels.txt |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 ...ureCodepoint-DevnagariSpecificAddition.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...ontFeatureCodepoint-GenericPunctuation.txt |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../gpos/IndicFontFeatureGPOS-AboveBase.txt   |   0
 .../gpos/IndicFontFeatureGPOS-BelowBase.txt   |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-gujarati/utrrs/LICENSE       |   0
 .../indic/script-gujarati/utrrs/README        |   0
 .../indic/script-gujarati/utrrs/SOURCES       |   0
 ...cFontFeatureCodepoint-AdditionalVowels.txt |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../gpos/IndicFontFeatureGPOS-AboveBase.txt   |   0
 .../gpos/IndicFontFeatureGPOS-BelowBase.txt   |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-gurmukhi/misc/misc.txt       |   0
 .../indic/script-gurmukhi/utrrs/LICENSE       |   0
 .../indic/script-gurmukhi/utrrs/README        |   0
 .../indic/script-gurmukhi/utrrs/SOURCES       |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...cFontFeatureCodepoint-GurmukhiSpecific.txt |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../gpos/IndicFontFeatureGPOS-AboveBase.txt   |   0
 .../gpos/IndicFontFeatureGPOS-BelowBase.txt   |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-kannada/misc/misc.txt        |   0
 .../script-kannada/misc/right-matras.txt      |   0
 .../indic/script-kannada/utrrs/LICENSE        |   0
 .../indic/script-kannada/utrrs/README         |   0
 .../indic/script-kannada/utrrs/SOURCES        |   0
 ...tFeatureCodepoint-AdditionalConsonants.txt |   0
 ...cFontFeatureCodepoint-AdditionalVowels.txt |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../gpos/IndicFontFeatureGPOS-AboveBase.txt   |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-malayalam/misc/cibu.txt      |   0
 .../indic/script-malayalam/misc/dot-reph.txt  |   0
 .../indic/script-malayalam/misc/misc.txt      |   0
 .../indic/script-malayalam/utrrs/LICENSE      |   0
 .../indic/script-malayalam/utrrs/README       |   0
 .../indic/script-malayalam/utrrs/SOURCES      |   0
 ...cFontFeatureCodepoint-AdditionalVowels.txt |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-oriya/misc/bindu.txt         |   0
 .../indic/script-oriya/misc/misc.txt          |   0
 .../indic/script-oriya/utrrs/LICENSE          |   0
 .../indic/script-oriya/utrrs/README           |   0
 .../indic/script-oriya/utrrs/SOURCES          |   0
 ...tFeatureCodepoint-AdditionalConsonants.txt |   0
 ...cFontFeatureCodepoint-AdditionalVowels.txt |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 ...ndicFontFeatureCodepoint-OriyaSpecific.txt |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-sinhala/misc/extensive.txt   |   0
 .../indic/script-sinhala/misc/misc.txt        |   0
 .../indic/script-sinhala/misc/reph.txt        |   0
 .../script-sinhala/misc/split-matras.txt      |   0
 .../indic/script-sinhala/utrrs/LICENSE        |   0
 .../indic/script-sinhala/utrrs/README         |   0
 .../indic/script-sinhala/utrrs/SOURCES        |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Punctuation.txt |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../utrrs/gpos/IndicFontFeatureGPOS.txt       |   0
 .../gsub/IndicFontFeatureGSUB-Conjunct.txt    |   0
 .../IndicFontFeatureGSUB-Rakaaraansaya.txt    |   0
 .../gsub/IndicFontFeatureGSUB-Repaya.txt      |   0
 .../IndicFontFeatureGSUB-Special-Cases.txt    |   0
 .../IndicFontFeatureGSUB-TouchingLetters.txt  |   0
 .../gsub/IndicFontFeatureGSUB-Yansaya.txt     |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-tamil/misc/misc.txt          |   0
 .../indic/script-tamil/utrrs/LICENSE          |   0
 .../indic/script-tamil/utrrs/README           |   0
 .../indic/script-tamil/utrrs/SOURCES          |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-CurrencySymbols.txt |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Numerics.txt    |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 .../IndicFontFeatureCodepoint-Symbols.txt     |   0
 .../IndicFontFeatureCodepoint-TamilSymbol.txt |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../gpos/IndicFontFeatureGPOS-AboveBase.txt   |   0
 .../gpos/IndicFontFeatureGPOS-BelowBase.txt   |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../indic/script-telugu/misc/misc.txt         |   0
 .../indic/script-telugu/utrrs/LICENSE         |   0
 .../indic/script-telugu/utrrs/README          |   0
 .../indic/script-telugu/utrrs/SOURCES         |   0
 ...cFontFeatureCodepoint-AdditionalVowels.txt |   0
 .../IndicFontFeatureCodepoint-Consonants.txt  |   0
 ...icFontFeatureCodepoint-DependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Digits.txt      |   0
 ...FontFeatureCodepoint-IndependentVowels.txt |   0
 .../IndicFontFeatureCodepoint-Reserved.txt    |   0
 ...IndicFontFeatureCodepoint-VariousSigns.txt |   0
 .../gpos/IndicFontFeatureGPOS-AboveBase.txt   |   0
 .../utrrs/gsub/IndicFontFeatureGSUB.txt       |   0
 .../south-east-asian/script-javanese/misc.txt |   0
 .../script-khmer/misc/misc.txt                |   0
 .../script-khmer/misc/other-marks-invalid.txt |   0
 .../script-khmer/misc/other-marks.txt         |   0
 .../script-myanmar/misc/misc.txt              |   0
 .../script-myanmar/misc/otspec.txt            |   1 -
 .../script-myanmar/misc/utn11.txt             |   0
 .../shaper-thai/script-lao/misc/sara-am.txt   |   0
 .../shaper-thai/script-thai/misc/misc.txt     |   0
 .../shaper-thai/script-thai/misc/phinthu.txt  |   0
 .../script-thai/misc/pua-shaping.txt          |   0
 .../shaper-thai/script-thai/misc/sara-am.txt  |   0
 .../script-tibetan/misc/contractions.txt      |   0
 .../script-tibetan/misc/misc.txt              |   0
 .../shaper-use/script-batak/misc.txt          |   0
 .../shaper-use/script-buginese/misc.txt       |  92 ++++++++--------
 .../shaper-use/script-cham/misc.txt           |   0
 .../shaper-use/script-kaithi/misc.txt         |   0
 .../shaper-use/script-kharoshti/misc.txt      |   0
 .../shaper-use/script-tai-tham/misc.txt       |   0
 .../shaper-use/script-tai-tham/torture.txt    |   0
 .../script-syriac/misc/abbreviation-mark.txt  |  11 --
 420 files changed, 572 insertions(+), 589 deletions(-)
 rename test/shaping/{fonts => data/in-house}/COPYING (93%)
 rename test/shaping/{fonts/sha1sum => data/in-house/fonts}/0509e80afb379d16560e9e47bdd7d888bebdebc6.ttf (100%)
 rename test/shaping/{fonts/sha1sum => data/in-house/fonts}/051d92f8bc6ff724511b296c27623f824de256e9.ttf (100%)
 rename test/shaping/{fonts/sha1sum => data/in-house/fonts}/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf (100%)
 rename test/shaping/{fonts/sha1sum => data/in-house/fonts}/07f054357ff8638bac3711b422a1e31180bba863.ttf (100%)
 rename test/shaping/{fonts/sha1sum => data/in-house/fonts}/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf (100%)
 rename test/shaping/{fonts/sha1sum => data/in-house/fonts}/1735326da89f0818cd8c51a0600e9789812c0f94.ttf (100%)
 rename test/shaping/{fonts/sha1sum => data/in-house/fonts}/191826b9643e3f124d865d617ae609db6a2ce203.ttf (100%)
 rename test/shaping/{fonts/sha1sum => data/in-house/fonts}/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf (100%)
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 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/misc/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/LICENSE (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/README (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/SOURCES (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-CurrencySymbols.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Numerics.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Symbols.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-TamilSymbol.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-tamil/utrrs/gsub/IndicFontFeatureGSUB.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/misc/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/LICENSE (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/README (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/SOURCES (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/indic/script-telugu/utrrs/gsub/IndicFontFeatureGSUB.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/south-east-asian/script-javanese/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/south-east-asian/script-khmer/misc/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/south-east-asian/script-khmer/misc/other-marks-invalid.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-indic/south-east-asian/script-khmer/misc/other-marks.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-myanmar/script-myanmar/misc/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-myanmar/script-myanmar/misc/otspec.txt (98%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-myanmar/script-myanmar/misc/utn11.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-thai/script-lao/misc/sara-am.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-thai/script-thai/misc/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-thai/script-thai/misc/phinthu.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-thai/script-thai/misc/pua-shaping.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-thai/script-thai/misc/sara-am.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-tibetan/script-tibetan/misc/contractions.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-tibetan/script-tibetan/misc/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-use/script-batak/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-use/script-buginese/misc.txt (56%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-use/script-cham/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-use/script-kaithi/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-use/script-kharoshti/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-use/script-tai-tham/misc.txt (100%)
 rename test/shaping/texts/{in-tree => in-house}/shaper-use/script-tai-tham/torture.txt (100%)
 delete mode 100644 test/shaping/texts/in-tree/shaper-arabic/script-syriac/misc/abbreviation-mark.txt

diff --git a/test/fuzzing/run-fuzzer-tests.py b/test/fuzzing/run-fuzzer-tests.py
index 23922ccd4..79e47c9f4 100755
--- a/test/fuzzing/run-fuzzer-tests.py
+++ b/test/fuzzing/run-fuzzer-tests.py
@@ -19,7 +19,7 @@ please provide it as the first argument to the tool""")
 print ('hb_fuzzer:', hb_fuzzer)
 fails = 0
 
-for line in open (os.path.join (srcdir, "..", "shaping", "tests", "misc", "fuzzed.tests")):
+for line in open (os.path.join (srcdir, "..", "shaping", "data", "in-house", "tests", "fuzzed.tests")):
 	font = line.split (":")[0]
 
 	p = subprocess.Popen (
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index ffcba9772..3208007d1 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -21,8 +21,8 @@ EXTRA_DIST += \
 	hb-unicode-prettyname \
 	record-test.sh \
 	run-tests.py \
-	texts/in-tree \
-	fonts/sha1sum \
+	texts/in-house \
+	data/in-house/fonts \
 	CMakeLists.txt \
 	$(TESTS) \
 	$(NULL)
@@ -36,47 +36,47 @@ CLEANFILES += \
 	$(NULL)
 
 TESTS = \
-	tests/misc/arabic-fallback-shaping.tests \
-	tests/misc/arabic-feature-order.tests \
-	tests/misc/arabic-like-joining.tests \
-	tests/misc/arabic-mark-order.tests \
-	tests/misc/arabic-stch.tests \
-	tests/misc/automatic-fractions.tests \
-	tests/misc/cluster.tests \
-	tests/misc/color-fonts.tests \
-	tests/misc/context-matching.tests \
-	tests/misc/cursive-positioning.tests \
-	tests/misc/default-ignorables.tests \
-	tests/misc/emoji-flag-tags.tests \
-	tests/misc/fallback-positioning.tests \
-	tests/misc/fuzzed.tests \
-	tests/misc/hangul-jamo.tests \
-	tests/misc/hyphens.tests \
-	tests/misc/indic-consonant-with-stacker.tests \
-	tests/misc/indic-init.tests \
-	tests/misc/indic-joiner-candrabindu.tests \
-	tests/misc/indic-joiners.tests \
-	tests/misc/indic-old-spec.tests \
-	tests/misc/indic-pref-blocking.tests \
-	tests/misc/indic-script-extensions.tests \
-	tests/misc/indic-special-cases.tests \
-	tests/misc/indic-syllable.tests \
-	tests/misc/language-tags.tests \
-	tests/misc/ligature-id.tests \
-	tests/misc/mark-attachment.tests \
-	tests/misc/mark-filtering-sets.tests \
-	tests/misc/mongolian-variation-selector.tests \
-	tests/misc/spaces.tests \
-	tests/misc/simple.tests \
-	tests/misc/tibetan-contractions-1.tests \
-	tests/misc/tibetan-contractions-2.tests \
-	tests/misc/tibetan-vowels.tests \
-	tests/misc/use.tests \
-	tests/misc/use-marchen.tests \
-	tests/misc/use-syllable.tests \
-	tests/misc/variations-rvrn.tests \
-	tests/misc/vertical.tests \
-	tests/misc/zero-width-marks.tests \
+	data/in-house/tests/arabic-fallback-shaping.tests \
+	data/in-house/tests/arabic-feature-order.tests \
+	data/in-house/tests/arabic-like-joining.tests \
+	data/in-house/tests/arabic-mark-order.tests \
+	data/in-house/tests/arabic-stch.tests \
+	data/in-house/tests/automatic-fractions.tests \
+	data/in-house/tests/cluster.tests \
+	data/in-house/tests/color-fonts.tests \
+	data/in-house/tests/context-matching.tests \
+	data/in-house/tests/cursive-positioning.tests \
+	data/in-house/tests/default-ignorables.tests \
+	data/in-house/tests/emoji-flag-tags.tests \
+	data/in-house/tests/fallback-positioning.tests \
+	data/in-house/tests/fuzzed.tests \
+	data/in-house/tests/hangul-jamo.tests \
+	data/in-house/tests/hyphens.tests \
+	data/in-house/tests/indic-consonant-with-stacker.tests \
+	data/in-house/tests/indic-init.tests \
+	data/in-house/tests/indic-joiner-candrabindu.tests \
+	data/in-house/tests/indic-joiners.tests \
+	data/in-house/tests/indic-old-spec.tests \
+	data/in-house/tests/indic-pref-blocking.tests \
+	data/in-house/tests/indic-script-extensions.tests \
+	data/in-house/tests/indic-special-cases.tests \
+	data/in-house/tests/indic-syllable.tests \
+	data/in-house/tests/language-tags.tests \
+	data/in-house/tests/ligature-id.tests \
+	data/in-house/tests/mark-attachment.tests \
+	data/in-house/tests/mark-filtering-sets.tests \
+	data/in-house/tests/mongolian-variation-selector.tests \
+	data/in-house/tests/spaces.tests \
+	data/in-house/tests/simple.tests \
+	data/in-house/tests/tibetan-contractions-1.tests \
+	data/in-house/tests/tibetan-contractions-2.tests \
+	data/in-house/tests/tibetan-vowels.tests \
+	data/in-house/tests/use.tests \
+	data/in-house/tests/use-marchen.tests \
+	data/in-house/tests/use-syllable.tests \
+	data/in-house/tests/variations-rvrn.tests \
+	data/in-house/tests/vertical.tests \
+	data/in-house/tests/zero-width-marks.tests \
 	$(NULL)
 
 TEST_EXTENSIONS = \
diff --git a/test/shaping/fonts/COPYING b/test/shaping/data/in-house/COPYING
similarity index 93%
rename from test/shaping/fonts/COPYING
rename to test/shaping/data/in-house/COPYING
index 87faaca0a..52c48c442 100644
--- a/test/shaping/fonts/COPYING
+++ b/test/shaping/data/in-house/COPYING
@@ -1,9 +1,4 @@
-The following license applies to these fonts:
-
-    sha1sum/341421e629668b1a1242245d39238ca48432d35d.ttf
-    sha1sum/55c88ebbe938680b08f92c3de20713183e0c7481.ttf
-    sha1sum/663aef6b019dbf45ffd74089e2b5f2496ceceb18.ttf
-    sha1sum/a014549f766436cf55b2ceb40e462038938ee899.ttf
+The following license applies to many of the fonts in this folder.
 
 
 This Font Software is licensed under the SIL Open Font License,
diff --git a/test/shaping/fonts/sha1sum/0509e80afb379d16560e9e47bdd7d888bebdebc6.ttf b/test/shaping/data/in-house/fonts/0509e80afb379d16560e9e47bdd7d888bebdebc6.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/0509e80afb379d16560e9e47bdd7d888bebdebc6.ttf
rename to test/shaping/data/in-house/fonts/0509e80afb379d16560e9e47bdd7d888bebdebc6.ttf
diff --git a/test/shaping/fonts/sha1sum/051d92f8bc6ff724511b296c27623f824de256e9.ttf b/test/shaping/data/in-house/fonts/051d92f8bc6ff724511b296c27623f824de256e9.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/051d92f8bc6ff724511b296c27623f824de256e9.ttf
rename to test/shaping/data/in-house/fonts/051d92f8bc6ff724511b296c27623f824de256e9.ttf
diff --git a/test/shaping/fonts/sha1sum/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf b/test/shaping/data/in-house/fonts/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf
rename to test/shaping/data/in-house/fonts/074a5ae6b19de8f29772fdd5df2d3d833f81f5e6.ttf
diff --git a/test/shaping/fonts/sha1sum/07f054357ff8638bac3711b422a1e31180bba863.ttf b/test/shaping/data/in-house/fonts/07f054357ff8638bac3711b422a1e31180bba863.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/07f054357ff8638bac3711b422a1e31180bba863.ttf
rename to test/shaping/data/in-house/fonts/07f054357ff8638bac3711b422a1e31180bba863.ttf
diff --git a/test/shaping/fonts/sha1sum/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf b/test/shaping/data/in-house/fonts/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf
rename to test/shaping/data/in-house/fonts/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf
diff --git a/test/shaping/fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf b/test/shaping/data/in-house/fonts/1735326da89f0818cd8c51a0600e9789812c0f94.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf
rename to test/shaping/data/in-house/fonts/1735326da89f0818cd8c51a0600e9789812c0f94.ttf
diff --git a/test/shaping/fonts/sha1sum/191826b9643e3f124d865d617ae609db6a2ce203.ttf b/test/shaping/data/in-house/fonts/191826b9643e3f124d865d617ae609db6a2ce203.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/191826b9643e3f124d865d617ae609db6a2ce203.ttf
rename to test/shaping/data/in-house/fonts/191826b9643e3f124d865d617ae609db6a2ce203.ttf
diff --git a/test/shaping/fonts/sha1sum/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf b/test/shaping/data/in-house/fonts/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf
rename to test/shaping/data/in-house/fonts/1a3d8f381387dd29be1e897e4b5100ac8b4829e1.ttf
diff --git a/test/shaping/fonts/sha1sum/1a6f1687b7a221f9f2c834b0b360d3c8463b6daf.ttf b/test/shaping/data/in-house/fonts/1a6f1687b7a221f9f2c834b0b360d3c8463b6daf.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/1a6f1687b7a221f9f2c834b0b360d3c8463b6daf.ttf
rename to test/shaping/data/in-house/fonts/1a6f1687b7a221f9f2c834b0b360d3c8463b6daf.ttf
diff --git a/test/shaping/fonts/sha1sum/1c04a16f32a39c26c851b7fc014d2e8d298ba2b8.ttf b/test/shaping/data/in-house/fonts/1c04a16f32a39c26c851b7fc014d2e8d298ba2b8.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/1c04a16f32a39c26c851b7fc014d2e8d298ba2b8.ttf
rename to test/shaping/data/in-house/fonts/1c04a16f32a39c26c851b7fc014d2e8d298ba2b8.ttf
diff --git a/test/shaping/fonts/sha1sum/1c2c3fc37b2d4c3cb2ef726c6cdaaabd4b7f3eb9.ttf b/test/shaping/data/in-house/fonts/1c2c3fc37b2d4c3cb2ef726c6cdaaabd4b7f3eb9.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/1c2c3fc37b2d4c3cb2ef726c6cdaaabd4b7f3eb9.ttf
rename to test/shaping/data/in-house/fonts/1c2c3fc37b2d4c3cb2ef726c6cdaaabd4b7f3eb9.ttf
diff --git a/test/shaping/fonts/sha1sum/1c2fb74c1b2aa173262734c1f616148f1648cfd6.ttf b/test/shaping/data/in-house/fonts/1c2fb74c1b2aa173262734c1f616148f1648cfd6.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/1c2fb74c1b2aa173262734c1f616148f1648cfd6.ttf
rename to test/shaping/data/in-house/fonts/1c2fb74c1b2aa173262734c1f616148f1648cfd6.ttf
diff --git a/test/shaping/fonts/sha1sum/205edd09bd3d141cc9580f650109556cc28b22cb.ttf b/test/shaping/data/in-house/fonts/205edd09bd3d141cc9580f650109556cc28b22cb.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/205edd09bd3d141cc9580f650109556cc28b22cb.ttf
rename to test/shaping/data/in-house/fonts/205edd09bd3d141cc9580f650109556cc28b22cb.ttf
diff --git a/test/shaping/fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf b/test/shaping/data/in-house/fonts/217a934cfe15c548b572c203dceb2befdf026462.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/217a934cfe15c548b572c203dceb2befdf026462.ttf
rename to test/shaping/data/in-house/fonts/217a934cfe15c548b572c203dceb2befdf026462.ttf
diff --git a/test/shaping/fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf b/test/shaping/data/in-house/fonts/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf
rename to test/shaping/data/in-house/fonts/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf
diff --git a/test/shaping/fonts/sha1sum/226bc2deab3846f1a682085f70c67d0421014144.ttf b/test/shaping/data/in-house/fonts/226bc2deab3846f1a682085f70c67d0421014144.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/226bc2deab3846f1a682085f70c67d0421014144.ttf
rename to test/shaping/data/in-house/fonts/226bc2deab3846f1a682085f70c67d0421014144.ttf
diff --git a/test/shaping/fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf b/test/shaping/data/in-house/fonts/243798dd281c1c77c065958e1ff467420faa9bde.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/243798dd281c1c77c065958e1ff467420faa9bde.ttf
rename to test/shaping/data/in-house/fonts/243798dd281c1c77c065958e1ff467420faa9bde.ttf
diff --git a/test/shaping/fonts/sha1sum/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf b/test/shaping/data/in-house/fonts/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf
rename to test/shaping/data/in-house/fonts/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf
diff --git a/test/shaping/fonts/sha1sum/270b89df543a7e48e206a2d830c0e10e5265c630.ttf b/test/shaping/data/in-house/fonts/270b89df543a7e48e206a2d830c0e10e5265c630.ttf
similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/test/shaping/fonts/sha1sum/5a5daf5eb5a4db77a2baa3ad9c7a6ed6e0655fa8.ttf b/test/shaping/data/in-house/fonts/5a5daf5eb5a4db77a2baa3ad9c7a6ed6e0655fa8.ttf
similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/test/shaping/fonts/sha1sum/706c5d7b625f207bc0d874c67237aad6f1e9cd6f.ttf b/test/shaping/data/in-house/fonts/706c5d7b625f207bc0d874c67237aad6f1e9cd6f.ttf
similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/test/shaping/fonts/sha1sum/8099955657a54e9ee38a6ba1d6f950ce58e3cc25.ttf b/test/shaping/data/in-house/fonts/8099955657a54e9ee38a6ba1d6f950ce58e3cc25.ttf
similarity index 100%
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diff --git a/test/shaping/fonts/sha1sum/813c2f8e5512187fd982417a7fb4286728e6f4a8.ttf b/test/shaping/data/in-house/fonts/813c2f8e5512187fd982417a7fb4286728e6f4a8.ttf
similarity index 100%
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similarity index 100%
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diff --git a/test/shaping/fonts/sha1sum/8240789f6d12d4cfc4b5e8e6f246c3701bcf861f.ttf b/test/shaping/data/in-house/fonts/8240789f6d12d4cfc4b5e8e6f246c3701bcf861f.ttf
similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/test/shaping/fonts/sha1sum/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf b/test/shaping/data/in-house/fonts/85414f2552b654585b7a8d13dcc3e8fd9f7970a3.ttf
similarity index 100%
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similarity index 100%
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diff --git a/test/shaping/fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf b/test/shaping/data/in-house/fonts/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf
similarity index 100%
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rename from test/shaping/fonts/sha1sum/fcdcffbdf1c4c97c05308d7600e4c283eb47dbca.ttf
rename to test/shaping/data/in-house/fonts/fcdcffbdf1c4c97c05308d7600e4c283eb47dbca.ttf
diff --git a/test/shaping/fonts/sha1sum/ffa0f5d2d9025486d8469d8b1fdd983e7632499b.ttf b/test/shaping/data/in-house/fonts/ffa0f5d2d9025486d8469d8b1fdd983e7632499b.ttf
similarity index 100%
rename from test/shaping/fonts/sha1sum/ffa0f5d2d9025486d8469d8b1fdd983e7632499b.ttf
rename to test/shaping/data/in-house/fonts/ffa0f5d2d9025486d8469d8b1fdd983e7632499b.ttf
diff --git a/test/shaping/data/in-house/tests/arabic-fallback-shaping.tests b/test/shaping/data/in-house/tests/arabic-fallback-shaping.tests
new file mode 100644
index 000000000..274829cca
--- /dev/null
+++ b/test/shaping/data/in-house/tests/arabic-fallback-shaping.tests
@@ -0,0 +1 @@
+../fonts/df768b9c257e0c9c35786c47cae15c46571d56be.ttf::U+0633,U+064F,U+0644,U+064E,U+0651,U+0627,U+0651,U+0650,U+0645,U+062A,U+06CC:[uni06CC.fina=10+1655|uni062A.medi=9+868|uni0645.init=8+1098|uni0650=2@221,0+0|uni0651=2@260,736+0|uni064E=2@935,1259+0|uni0651=2@974,736+0|uni06440627.fina=2+1470|uni064F=0@558,-10+0|uni0633.init=0+1585]
diff --git a/test/shaping/data/in-house/tests/arabic-feature-order.tests b/test/shaping/data/in-house/tests/arabic-feature-order.tests
new file mode 100644
index 000000000..0f7f58e2a
--- /dev/null
+++ b/test/shaping/data/in-house/tests/arabic-feature-order.tests
@@ -0,0 +1,4 @@
+../fonts/813c2f8e5512187fd982417a7fb4286728e6f4a8.ttf::U+1820,U+180B:[uni2048.E81A=0+1550]
+../fonts/8a9fea2a7384f2116e5b84a9b31f83be7850ce21.ttf::U+1820,U+180B:[uni2048.E81A=0+1550]
+../fonts/a919b33197965846f21074b24e30250d67277bce.ttf::U+0644,U+0644,U+0647:[Lellah=0+1503]
+../fonts/bf39b0e91ef9807f15a9e283a21a14a209fd2cfc.ttf::U+0644,U+064E,U+0670,U+0653,U+0626:[afii57414.zz04=4+1202|uni0670_uni0653=0@50,350+0|afii57454=0@550,1425+0|afii57444.calt=0+1065]
diff --git a/test/shaping/data/in-house/tests/arabic-like-joining.tests b/test/shaping/data/in-house/tests/arabic-like-joining.tests
new file mode 100644
index 000000000..2e3418610
--- /dev/null
+++ b/test/shaping/data/in-house/tests/arabic-like-joining.tests
@@ -0,0 +1 @@
+../fonts/5dfad7735c6a67085f1b90d4d497e32907db4c78.ttf::U+1E922,U+1E923,U+1E924,U+1E925,U+1E926,U+1E927,U+1E928,U+1E929,U+1E92A,U+1E92B,U+1E92C,U+1E92D,U+1E92E,U+1E92F,U+1E930,U+1E931,U+1E932,U+1E933,U+1E934,U+1E935,U+1E936,U+1E937,U+1E938,U+1E939,U+1E93A,U+1E93B,U+1E93C,U+1E93D,U+1E93E,U+1E93F,U+1E940,U+1E941,U+1E942,U+1E943:[sha_adlam.fina=33+711|kpo_adlam.medi=32+573|zal_adlam.medi=31+773|gbe_adlam.medi=30+594|kha_adlam.medi=29+686|va_adlam.medi=28+621|nha_adlam.medi=27+587|tu_adlam.medi=26+772|nya_adlam.medi=25+577|ga_adlam.medi=24+552|qaaf_adlam.medi=23+694|ha_adlam.medi=22+600|chi_adlam.medi=21+662|jiim_adlam.medi=20+781|u_adlam.medi=19+678|ya_adlam.medi=18+553|kaf_adlam.medi=17+808|nun_adlam.medi=16+561|waw_adlam.medi=15+651|yhe_adlam.medi=14+674|dha_adlam.medi=13+674|o_adlam.medi=12+640|i_adlam.medi=11+657|fa_adlam.medi=10+590|e_adlam.medi=9+628|ra_adlam.medi=8+599|bhe_adlam.medi=7+594|pe_adlam.medi=6+492|sinnyiiyhe_adlam.medi=5+777|ba_adlam.medi=4+655|miim_adlam.medi=3+525|laam_adlam.medi=2+554|daali_adlam.medi=1+600|alif_adlam.init=0+597]
diff --git a/test/shaping/data/in-house/tests/arabic-mark-order.tests b/test/shaping/data/in-house/tests/arabic-mark-order.tests
new file mode 100644
index 000000000..18ddb885e
--- /dev/null
+++ b/test/shaping/data/in-house/tests/arabic-mark-order.tests
@@ -0,0 +1,6 @@
+../fonts/94a5d6fb15a27521fba9ea4aee9cb39b2d03322a.ttf::U+064A,U+064E,U+0670,U+0653,U+0640,U+0654,U+064E,U+0627:[afii57415.zz04=7+481|afii57454=4@25,975+0|uni0654=4@-50,50+0|afii57440=4+650|uni0670_uni0653=0@75,400+0|afii57454=0@750,1125+0|afii57450.calt=0+1331]
+../fonts/24b8d24d00ae86f49791b746da4c9d3f717a51a8.ttf::U+0628,U+0618,U+0619,U+064E,U+064F,U+0654,U+0658,U+0653,U+0654,U+0651,U+0656,U+0651,U+065C,U+0655,U+0650:[uni0653.small=0@266,2508+0|uni0654=0@308,2151+0|uni0655=0@518,-1544+0|uni065C=0@501,-1453+0|uni0656=0@573,-659+0|uni0650=0@500,133+0|uni0619=0@300,1807+0|uni0618=0@357,1674+0|uni0651064E=0@387,1178+0|uni0651=0@402,764+0|uni0658=0@424,404+0|uni0654064F=0@540,-435+0|uni0628=0+1352]
+../fonts/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf::U+0649,U+0655,U+034F,U+0650:[uni0650.small2=0@727,-774+0|space=0+0|uni0655=0@727,-209+0|uni0649=0+1566]
+../fonts/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf::U+0649,U+0655,U+0650:[uni0650.small2=0@727,-774+0|uni0655=0@727,-209+0|uni0649=0+1566]
+../fonts/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf::U+0649,U+0650,U+0655:[uni0650.small2=0@727,-774+0|uni0655=0@727,-209+0|uni0649=0+1566]
+../fonts/21b7fb9c1eeae260473809fbc1fe330f66a507cd.ttf::U+0649,U+0650,U+034F,U+0655:[uni0655=0+0|space=0+0|uni0650=0@166,0+0|uni0649=0+1566]
diff --git a/test/shaping/data/in-house/tests/arabic-stch.tests b/test/shaping/data/in-house/tests/arabic-stch.tests
new file mode 100644
index 000000000..1ba8f60b2
--- /dev/null
+++ b/test/shaping/data/in-house/tests/arabic-stch.tests
@@ -0,0 +1 @@
+../fonts/d9b8bc10985f24796826c29f7ccba3d0ae11ec02.ttf:--no-glyph-names:U+0718,U+070F,U+0718,U+0718,U+002E:[1=4+168|3=3+502|3=2+502|4=1@-1004,0+0|5=1@-876,0+0|5=1@-799,0+0|5=1@-722,0+0|5=1@-645,0+0|4=1@-566,0+0|5=1@-438,0+0|5=1@-361,0+0|5=1@-284,0+0|5=1@-207,0+0|4=1@-128,0+0|3=0+502]
diff --git a/test/shaping/data/in-house/tests/automatic-fractions.tests b/test/shaping/data/in-house/tests/automatic-fractions.tests
new file mode 100644
index 000000000..58ec26c1b
--- /dev/null
+++ b/test/shaping/data/in-house/tests/automatic-fractions.tests
@@ -0,0 +1,3 @@
+../fonts/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf::U+0031,U+0032,U+0033,U+2044,U+0034,U+0035,U+0036:[one.numr=0+600|two.numr=1+600|three.numr=2+600|fraction=3+252|four.small=4+600|five.small=5+600|six.small=6+600]
+../fonts/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf:--direction=l --script=arab:U+0031,U+0032,U+0033,U+2044,U+0034,U+0035,U+0036:[one.numr=0+600|two.numr=1+600|three.numr=2+600|fraction=3+252|four.small=4+600|five.small=5+600|six.small=6+600]
+../fonts/15dfc433a135a658b9f4b1a861b5cdd9658ccbb9.ttf:--direction=l:U+0661,U+0662,U+0663,U+2044,U+0664,U+0665,U+0666:[uni0661.numr=0+600|uni0662.numr=1+600|uni0663.numr=2+600|fraction=3+252|uni0664.small=4+600|uni0665.small=5+600|uni0666.small=6+600]
diff --git a/test/shaping/data/in-house/tests/cluster.tests b/test/shaping/data/in-house/tests/cluster.tests
new file mode 100644
index 000000000..fd0a0fe2b
--- /dev/null
+++ b/test/shaping/data/in-house/tests/cluster.tests
@@ -0,0 +1,2 @@
+../fonts/4fac3929fc3332834e93673780ec0fe94342d193.ttf:--cluster-level=2:U+0078,U+030A,U+0058,U+030A:[gid2=0+1083|gid3=1@-1131,-8+0|gid1=2+1200|gid3=3@-1190,349+0]
+../fonts/43ef465752be9af900745f72fe29cb853a1401a5.ttf:--cluster-level=1:U+05D4,U+05B7,U+05E9,U+05BC,U+05C1,U+05B8,U+05DE,U+05B4,U+05DD:[uni05DD=8+1359|uni05B4=7@111,0+0|uni05DE=6+1391|uni05B8=5+0|uni05BC=3+0|uni05C1=3+0|uni05E9=2+1451|uni05B7=1@28,0+0|uni05D4=0+1338]
diff --git a/test/shaping/data/in-house/tests/color-fonts.tests b/test/shaping/data/in-house/tests/color-fonts.tests
new file mode 100644
index 000000000..e7311bc33
--- /dev/null
+++ b/test/shaping/data/in-house/tests/color-fonts.tests
@@ -0,0 +1 @@
+../fonts/ee39587d13b2afa5499cc79e45780aa79293bbd4.ttf:--font-funcs=ot --show-extents:U+1F42F:[gid1=0+2963<0,2178,2963,-2788>]
diff --git a/test/shaping/data/in-house/tests/context-matching.tests b/test/shaping/data/in-house/tests/context-matching.tests
new file mode 100644
index 000000000..5673edc3b
--- /dev/null
+++ b/test/shaping/data/in-house/tests/context-matching.tests
@@ -0,0 +1,3 @@
+../fonts/4cce528e99f600ed9c25a2b69e32eb94a03b4ae8.ttf::U+1A48,U+1A58,U+1A25,U+1A48,U+1A58,U+1A25,U+1A6E,U+1A63:[uni1A48=0+1212|uni1A25=0+1912|uni1A58=0+0|uni1A48=3+1212|uni1A6E=3+0|uni1A25=3+1912|uni1A58=3+0|uni1A63=3+1212]
+../fonts/d629e7fedc0b350222d7987345fe61613fa3929a.ttf::U+0915,U+093F,U+0915,U+093F:[ivowelsign03deva=0+530|kadeva=0+1561|ivowelsign03deva=2+530|kadeva=2+1561]
+../fonts/f499fbc23865022234775c43503bba2e63978fe1.ttf::U+09B0,U+09CD,U+09A5,U+09CD,U+09AF,U+09C0:[gid1=0+1320|gid13=0+523|gid18=0+545]
diff --git a/test/shaping/data/in-house/tests/cursive-positioning.tests b/test/shaping/data/in-house/tests/cursive-positioning.tests
new file mode 100644
index 000000000..74d283db8
--- /dev/null
+++ b/test/shaping/data/in-house/tests/cursive-positioning.tests
@@ -0,0 +1,4 @@
+../fonts/c4e48b0886ef460f532fb49f00047ec92c432ec0.ttf::U+0643,U+0645,U+0645,U+062B,U+0644:[gid8=4+738|gid5=3@441,1197+0|gid6=3@0,432+405|gid9=2@0,477+452|gid9=1@0,977+452|gid10=0@20,1577+207]
+../fonts/298c9e1d955f10f6f72c6915c3c6ff9bf9695cec.ttf::U+0643,U+0645,U+0645,U+062B,U+0644:[gid8=4+738|gid5=3@441,1197+0|gid6=3@0,432+405|gid9=2@0,477+500|gid9=1@0,577+452|gid10=0@20,1177+207]
+#../fonts/706c5d7b625f207bc0d874c67237aad6f1e9cd6f.ttf::U+0B1F,U+0B4D,U+0B1A,U+0B4D,U+0B1A:[ttaorya=0+1307|casubscriptorya=0@-242,104+-231|casubscriptnarroworya=0@20,104+507]
+../fonts/07f054357ff8638bac3711b422a1e31180bba863.ttf:--font-funcs=ot --no-glyph-names:U+0606,U+06E1:[2=0@40,502+0|1=0+1000]
diff --git a/test/shaping/data/in-house/tests/default-ignorables.tests b/test/shaping/data/in-house/tests/default-ignorables.tests
new file mode 100644
index 000000000..a27b67a68
--- /dev/null
+++ b/test/shaping/data/in-house/tests/default-ignorables.tests
@@ -0,0 +1,2 @@
+../fonts/051d92f8bc6ff724511b296c27623f824de256e9.ttf::U+0075,U+0361,U+034F,U+0301,U+0069:[gid2=0+1266|gid7=0@-617,442+0|gid5=0@-7,0+0|gid1=4+528]
+../fonts/bf962d3202883a820aed019d9b5c1838c2ff69c6.ttf::U+0020,U+06CC,U+064E,U+034F,U+0651:[uni0651=1+0|space=1+0|uni064E=1@236,-432+0|uni06CC=1+1266|space=0+452]
diff --git a/test/shaping/data/in-house/tests/emoji-flag-tags.tests b/test/shaping/data/in-house/tests/emoji-flag-tags.tests
new file mode 100644
index 000000000..189de55a5
--- /dev/null
+++ b/test/shaping/data/in-house/tests/emoji-flag-tags.tests
@@ -0,0 +1,2 @@
+../fonts/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf::U+1F3F4,U+E0055,U+E0053,U+E0064,U+E0065,U+E007F:[u1F3F4=0+2126|space=1+0|space=2+0|space=3+0|space=4+0|space=5+0]
+../fonts/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf::U+1F3F4,U+E0064,U+E0065,U+E007F:[de=0+3200]
diff --git a/test/shaping/data/in-house/tests/fallback-positioning.tests b/test/shaping/data/in-house/tests/fallback-positioning.tests
new file mode 100644
index 000000000..5047d84c5
--- /dev/null
+++ b/test/shaping/data/in-house/tests/fallback-positioning.tests
@@ -0,0 +1,2 @@
+../fonts/8228d035fcd65d62ec9728fb34f42c63be93a5d3.ttf::U+0078,U+0301,U+0058,U+0301:[x=0+1030|acutecomb=0@-21,-27+0|X=2+1295|acutecomb=2@-147,320+0]
+../fonts/856ff9562451293cbeff6f396d4e3877c4f0a436.ttf::U+0061,U+035C,U+0062:[uni0061=0+512|uni035C=0@-64,-128+0|uni0062=2+512]
diff --git a/test/shaping/data/in-house/tests/fuzzed.tests b/test/shaping/data/in-house/tests/fuzzed.tests
new file mode 100644
index 000000000..e1a39e4eb
--- /dev/null
+++ b/test/shaping/data/in-house/tests/fuzzed.tests
@@ -0,0 +1,22 @@
+../fonts/1a6f1687b7a221f9f2c834b0b360d3c8463b6daf.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/5a5daf5eb5a4db77a2baa3ad9c7a6ed6e0655fa8.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/0509e80afb379d16560e9e47bdd7d888bebdebc6.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/641bd9db850193064d17575053ae2bf8ec149ddc.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/375d6ae32a3cbe52fbf81a4e5777e3377675d5a3.ttf:--font-funcs=ot:U+0041:[gid0=0+4352]
+../fonts/8240789f6d12d4cfc4b5e8e6f246c3701bcf861f.ttf:--font-funcs=ot:U+0041:[gid0=0+1024]
+../fonts/b9e2aaa0d75fcef6971ec3a96d806ba4a6b31fe2.ttf:--font-funcs=ot:U+0041:[gid0=0+1000|gid1=0+1000|gid8=0+1000|gid3=0+1000|gid0=0+1000|gid1=0+1000|gid1=0+1000|gid8=0+1000|gid3=0+1000|gid0=0+1000|gid1=0+1000|gid8=0+1000|gid3=0+1000|gid0=0+1000|gid1=0+1000|gid1=0+1000]
+../fonts/43979b90b2dd929723cf4fe1715990bcb9c9a56b.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
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+../fonts/205edd09bd3d141cc9580f650109556cc28b22cb.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/217a934cfe15c548b572c203dceb2befdf026462.ttf:--font-funcs=ot:U+0061,U+0061,U+0061:[]
+../fonts/558661aa659912f4d30ecd27bd09835171a8e2b0.ttf:--font-funcs=ot:U+FFFD,U+E0100,U+FFFD,U+E0010:[]
+../fonts/a34a9191d9376bda419836effeef7e75c1386016.ttf:--font-funcs=ot:U+0041:[]
+../fonts/a69118c2c2ada48ff803d9149daa54c9ebdae30e.ttf:--font-funcs=ot:U+0041:[gid0=0+1229]
+../fonts/b6acef662e0beb8d5fcf5b61c6b0ca69537b7402.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/e88c339237f52d21e01c55f01b9c1b4cc14a0467.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/243798dd281c1c77c065958e1ff467420faa9bde.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/dd9f0c7c7c36f75a18be0cab1cddf8f3ab0f366b.ttf:--font-funcs=ot --no-positions --no-clusters --no-glyph-names:U+0041:[0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0|0|2|0|0|0|2|0|0|2|0|0|2|0|0|2|0]
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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diff --git a/test/shaping/data/in-house/tests/indic-script-extensions.tests b/test/shaping/data/in-house/tests/indic-script-extensions.tests
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new file mode 100644
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new file mode 100644
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diff --git a/test/shaping/data/in-house/tests/ligature-id.tests b/test/shaping/data/in-house/tests/ligature-id.tests
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diff --git a/test/shaping/data/in-house/tests/mark-attachment.tests b/test/shaping/data/in-house/tests/mark-attachment.tests
new file mode 100644
index 000000000..9a9b8ff03
--- /dev/null
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diff --git a/test/shaping/data/in-house/tests/mark-filtering-sets.tests b/test/shaping/data/in-house/tests/mark-filtering-sets.tests
new file mode 100644
index 000000000..d30e02114
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diff --git a/test/shaping/data/in-house/tests/mongolian-variation-selector.tests b/test/shaping/data/in-house/tests/mongolian-variation-selector.tests
new file mode 100644
index 000000000..efb4cf4eb
--- /dev/null
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diff --git a/test/shaping/data/in-house/tests/simple.tests b/test/shaping/data/in-house/tests/simple.tests
new file mode 100644
index 000000000..64cae0e87
--- /dev/null
+++ b/test/shaping/data/in-house/tests/simple.tests
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diff --git a/test/shaping/data/in-house/tests/spaces.tests b/test/shaping/data/in-house/tests/spaces.tests
new file mode 100644
index 000000000..3ebaac51c
--- /dev/null
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diff --git a/test/shaping/data/in-house/tests/tibetan-contractions-1.tests b/test/shaping/data/in-house/tests/tibetan-contractions-1.tests
new file mode 100644
index 000000000..ccc0c9c5d
--- /dev/null
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diff --git a/test/shaping/data/in-house/tests/tibetan-contractions-2.tests b/test/shaping/data/in-house/tests/tibetan-contractions-2.tests
new file mode 100644
index 000000000..b44445c38
--- /dev/null
+++ b/test/shaping/data/in-house/tests/tibetan-contractions-2.tests
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diff --git a/test/shaping/data/in-house/tests/tibetan-vowels.tests b/test/shaping/data/in-house/tests/tibetan-vowels.tests
new file mode 100644
index 000000000..0bb0743b2
--- /dev/null
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diff --git a/test/shaping/data/in-house/tests/use-marchen.tests b/test/shaping/data/in-house/tests/use-marchen.tests
new file mode 100644
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diff --git a/test/shaping/data/in-house/tests/use-syllable.tests b/test/shaping/data/in-house/tests/use-syllable.tests
new file mode 100644
index 000000000..213b848b6
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diff --git a/test/shaping/data/in-house/tests/use.tests b/test/shaping/data/in-house/tests/use.tests
new file mode 100644
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diff --git a/test/shaping/data/in-house/tests/variations-rvrn.tests b/test/shaping/data/in-house/tests/variations-rvrn.tests
new file mode 100644
index 000000000..78ebb9245
--- /dev/null
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+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=321:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=331:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=341:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=351:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=361:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=371:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=381:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=391:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=401:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=411:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=421:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=431:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=441:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=451:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=461:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=471:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=481:U+0072:[rvrn_base=0+1529]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=491:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=501:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=511:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=521:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=531:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=541:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=551:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=561:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=571:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=581:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=591:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=601:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=611:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=621:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=631:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=641:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=651:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=661:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=671:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=681:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=691:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=701:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=711:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=721:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=731:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=741:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=751:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=761:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=771:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=781:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=791:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=801:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=811:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=821:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=831:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=841:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=851:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=861:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=871:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=881:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=891:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=901:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=911:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=921:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=931:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=941:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=951:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=961:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=971:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=981:U+0072:[rvrn_subst=0+1825]
+../fonts/d23d76ea0909c14972796937ba072b5a40c1e257.ttf:--variations=FVTT=991:U+0072:[rvrn_subst=0+1825]
diff --git a/test/shaping/data/in-house/tests/vertical.tests b/test/shaping/data/in-house/tests/vertical.tests
new file mode 100644
index 000000000..17df28e6a
--- /dev/null
+++ b/test/shaping/data/in-house/tests/vertical.tests
@@ -0,0 +1,3 @@
+../fonts/191826b9643e3f124d865d617ae609db6a2ce203.ttf:--direction=t --font-funcs=ft:U+300C:[uni300C.vert=0@-512,-578+0,-1024]
+../fonts/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ft:U+0041,U+0042:[gid1=0@-654,-2128+0,-2789|gid2=1@-665,-2125+0,-2789]
+../fonts/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ot:U+0041,U+0042:[gid1=0@-654,-2189+0,-2789|gid2=1@-665,-2189+0,-2789]
diff --git a/test/shaping/data/in-house/tests/zero-width-marks.tests b/test/shaping/data/in-house/tests/zero-width-marks.tests
new file mode 100644
index 000000000..1a3474ac2
--- /dev/null
+++ b/test/shaping/data/in-house/tests/zero-width-marks.tests
@@ -0,0 +1,11 @@
+../fonts/bb9473d2403488714043bcfb946c9f78b86ad627.ttf::U+1030:[circledash=0+636|u1030.med=0@-162,0+0]
+../fonts/8454d22037f892e76614e1645d066689a0200e61.ttf::U+05E0,U+05B8,U+0591,U+05DA,U+05B0:[uni05DA05B0=3+991|uni2009=0+200|uni0591=0@75,0+0|uni05B8=0@495,0+0|uni05E0=0+683]
+../fonts/45855bc8d46332b39c4ab9e2ee1a26b1f896da6b.ttf::U+0E01,U+0E34,U+0E01:[gid1=0+1264|gid2=0@20,0+0|gid1=2+1264]
+../fonts/7a37dc4d5bf018456aea291cee06daf004c0221c.ttf::U+0E01,U+0E34,U+0E01:[gid1=0+1264|gid2=0@20,0+1000|gid1=2+1264]
+../fonts/8099955657a54e9ee38a6ba1d6f950ce58e3cc25.ttf::U+0E01,U+0E34,U+0E01:[gid1=0+1264|gid2=0+0|gid1=2+1264]
+../fonts/bb0c53752e85c3d28973ebc913287b8987d3dfe8.ttf::U+0E01,U+0E34,U+0E01:[gid1=0+1264|gid2=0+0|gid1=2+1264]
+../fonts/ffa0f5d2d9025486d8469d8b1fdd983e7632499b.ttf::U+0058,U+0303,U+0078,U+0303,U+006A,U+006A,U+006A,U+0303,U+006A,U+0303,U+006A,U+006A:[gid1=0+1200|gid6=0@-1029,340+0|gid3=2+1083|gid6=2@-992,0+0|gid2=4+528|gid2=5+528|gid5=6+528|gid6=6@-693,0+0|gid5=8+528|gid6=8@-693,0+0|gid2=10+528|gid2=11+528]
+../fonts/cc5f3d2d717fb6bd4dfae1c16d48a2cb8e12233b.ttf::U+0058,U+0303,U+0078,U+0303,U+006A,U+006A,U+006A,U+0303,U+006A,U+0303,U+006A,U+006A:[gid1=0+1200|gid6=0@-1029,340+1200|gid3=2+1083|gid6=2@-992,0+1200|gid2=4+528|gid2=5+528|gid5=6+528|gid6=6@-693,0+1200|gid5=8+528|gid6=8@-693,0+1200|gid2=10+528|gid2=11+528]
+../fonts/fcdcffbdf1c4c97c05308d7600e4c283eb47dbca.ttf::U+0058,U+0303,U+0078,U+0303,U+006A,U+006A,U+006A,U+0303,U+006A,U+0303,U+006A,U+006A:[gid1=0+1200|gid6=0+0|gid3=2+1083|gid6=2+0|gid2=4+528|gid2=5+528|gid5=6+528|gid6=6+0|gid5=8+528|gid6=8+0|gid2=10+528|gid2=11+528]
+../fonts/56cfd0e18d07f41c38e9598545a6d369127fc6f9.ttf::U+0058,U+0303,U+0078,U+0303,U+006A,U+006A,U+006A,U+0303,U+006A,U+0303,U+006A,U+006A:[gid1=0+1200|gid6=0@-1029,340+0|gid3=2+1083|gid6=2@-992,0+0|gid2=4+528|gid2=5+528|gid5=6+528|gid6=6@-693,0+0|gid5=8+528|gid6=8@-693,0+0|gid2=10+528|gid2=11+528]
+../fonts/a98e908e2ed21b22228ea59ebcc0f05034c86f2e.ttf::U+0041,U+0042,U+0041:[A=0+1368|B=1+0|A=2+1368]
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index 306fcc3e0..7f53e494f 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -14,11 +14,10 @@ def cmd(command):
 	p = subprocess.Popen (
 		command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 	p.wait ()
-	print (p.stderr.read (), file=sys.stderr)
+	print (p.stderr.read (), file=sys.stderr, end='')
 	return p.stdout.read ().decode ("utf-8"), p.returncode
 
 
-srcdir = os.environ.get ("srcdir", ".")
 builddir = os.environ.get ("builddir", ".")
 top_builddir = os.environ.get ("top_builddir",
 	os.path.normpath (os.path.join (os.getcwd (), "..", "..")))
@@ -50,46 +49,37 @@ if not reference:
 	print ('hb_shape:', hb_shape)
 
 if not len (args):
-	args = [sys.stdin]
+	args = ['-']
 
-for f in args:
+for filename in args:
 	if not reference:
-		if f == sys.stdin:
+		if filename == '-':
 			print ("Running tests from standard input")
 		else:
-			print ("Running tests in " + f)
+			print ("Running tests in " + filename)
 
-	if f == sys.stdin:
-		def f():
-			while True:
-				try:
-					line = input ()
-				except EOFError:
-					break
-
-				if len (line):
-					yield line
-				else:
-					break
-		f = f()
+	if filename == '-':
+		f = sys.stdin
 	else:
-		f = open (f)
+		f = open (filename)
 
 	for line in f:
 		fontfile, options, unicodes, glyphs_expected = line.split (":")
+		cwd = os.path.dirname(filename)
+		fontfile = os.path.normpath (os.path.join (cwd, fontfile))
 
 		if line.startswith ("#"):
 			if not reference:
-				print ("# hb-shape %s --unicodes %s" % (fontfile, unicodes))
+				print ("# %s %s --unicodes %s" % (hb_shape, fontfile, unicodes))
 			continue
 
 		if not reference:
-			print ("hb-shape %s %s %s --unicodes %s" %
-					 (fontfile, extra_options, options, unicodes))
+			print ("%s %s %s %s --unicodes %s" %
+					 (hb_shape, fontfile, extra_options, options, unicodes))
 
 		glyphs1, returncode = cmd ([hb_shape, "--font-funcs=ft",
-			os.path.join (srcdir, fontfile), extra_options, "--unicodes",
-			unicodes] + (options.split (' ') if len(options) else []))
+			fontfile, extra_options, "--unicodes",
+			unicodes] + (options.split (' ') if options else []))
 
 		if returncode:
 			print ("hb-shape --font-funcs=ft failed.", file=sys.stderr)
@@ -97,11 +87,11 @@ for f in args:
 			#continue
 
 		glyphs2, returncode = cmd ([hb_shape, "--font-funcs=ot",
-			os.path.join (srcdir, fontfile), extra_options, "--unicodes",
-			unicodes] + (options.split (' ') if len(options) else []))
+			fontfile, extra_options, "--unicodes",
+			unicodes] + (options.split (' ') if options else []))
 
 		if returncode:
-			print ("hb-shape --font-funcs=ot failed.", file=sys.stderr)
+			print ("ERROR: hb-shape --font-funcs=ot failed.", file=sys.stderr)
 			fails = fails + 1
 			#continue
 
diff --git a/test/shaping/tests/misc/arabic-fallback-shaping.tests b/test/shaping/tests/misc/arabic-fallback-shaping.tests
deleted file mode 100644
index 6f1cb8b93..000000000
--- a/test/shaping/tests/misc/arabic-fallback-shaping.tests
+++ /dev/null
@@ -1 +0,0 @@
-fonts/sha1sum/df768b9c257e0c9c35786c47cae15c46571d56be.ttf::U+0633,U+064F,U+0644,U+064E,U+0651,U+0627,U+0651,U+0650,U+0645,U+062A,U+06CC:[uni06CC.fina=10+1655|uni062A.medi=9+868|uni0645.init=8+1098|uni0650=2@221,0+0|uni0651=2@260,736+0|uni064E=2@935,1259+0|uni0651=2@974,736+0|uni06440627.fina=2+1470|uni064F=0@558,-10+0|uni0633.init=0+1585]
diff --git a/test/shaping/tests/misc/arabic-feature-order.tests b/test/shaping/tests/misc/arabic-feature-order.tests
deleted file mode 100644
index 58e741e41..000000000
--- a/test/shaping/tests/misc/arabic-feature-order.tests
+++ /dev/null
@@ -1,4 +0,0 @@
-fonts/sha1sum/813c2f8e5512187fd982417a7fb4286728e6f4a8.ttf::U+1820,U+180B:[uni2048.E81A=0+1550]
-fonts/sha1sum/8a9fea2a7384f2116e5b84a9b31f83be7850ce21.ttf::U+1820,U+180B:[uni2048.E81A=0+1550]
-fonts/sha1sum/a919b33197965846f21074b24e30250d67277bce.ttf::U+0644,U+0644,U+0647:[Lellah=0+1503]
-fonts/sha1sum/bf39b0e91ef9807f15a9e283a21a14a209fd2cfc.ttf::U+0644,U+064E,U+0670,U+0653,U+0626:[afii57414.zz04=4+1202|uni0670_uni0653=0@50,350+0|afii57454=0@550,1425+0|afii57444.calt=0+1065]
diff --git a/test/shaping/tests/misc/arabic-like-joining.tests b/test/shaping/tests/misc/arabic-like-joining.tests
deleted file mode 100644
index ec994d089..000000000
--- a/test/shaping/tests/misc/arabic-like-joining.tests
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/test/shaping/tests/misc/arabic-mark-order.tests b/test/shaping/tests/misc/arabic-mark-order.tests
deleted file mode 100644
index cc5226bb2..000000000
--- a/test/shaping/tests/misc/arabic-mark-order.tests
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deleted file mode 100644
index a21dfa22d..000000000
--- a/test/shaping/tests/misc/arabic-stch.tests
+++ /dev/null
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diff --git a/test/shaping/tests/misc/automatic-fractions.tests b/test/shaping/tests/misc/automatic-fractions.tests
deleted file mode 100644
index f9510e26c..000000000
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diff --git a/test/shaping/tests/misc/cluster.tests b/test/shaping/tests/misc/cluster.tests
deleted file mode 100644
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diff --git a/test/shaping/tests/misc/color-fonts.tests b/test/shaping/tests/misc/color-fonts.tests
deleted file mode 100644
index 397796a06..000000000
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deleted file mode 100644
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diff --git a/test/shaping/tests/misc/emoji-flag-tags.tests b/test/shaping/tests/misc/emoji-flag-tags.tests
deleted file mode 100644
index 9b6da778b..000000000
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+++ /dev/null
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deleted file mode 100644
index 86f5640c2..000000000
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deleted file mode 100644
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diff --git a/test/shaping/tests/misc/hangul-jamo.tests b/test/shaping/tests/misc/hangul-jamo.tests
deleted file mode 100644
index fe9973f4c..000000000
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+++ /dev/null
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diff --git a/test/shaping/tests/misc/hyphens.tests b/test/shaping/tests/misc/hyphens.tests
deleted file mode 100644
index d2cb18655..000000000
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+++ /dev/null
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deleted file mode 100644
index 97dc04045..000000000
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diff --git a/test/shaping/tests/misc/indic-init.tests b/test/shaping/tests/misc/indic-init.tests
deleted file mode 100644
index 1231eabce..000000000
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diff --git a/test/shaping/tests/misc/indic-joiner-candrabindu.tests b/test/shaping/tests/misc/indic-joiner-candrabindu.tests
deleted file mode 100644
index 80ad8ce27..000000000
--- a/test/shaping/tests/misc/indic-joiner-candrabindu.tests
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deleted file mode 100644
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diff --git a/test/shaping/tests/misc/ligature-id.tests b/test/shaping/tests/misc/ligature-id.tests
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diff --git a/test/shaping/tests/misc/mark-attachment.tests b/test/shaping/tests/misc/mark-attachment.tests
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diff --git a/test/shaping/tests/misc/simple.tests b/test/shaping/tests/misc/simple.tests
deleted file mode 100644
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diff --git a/test/shaping/tests/misc/spaces.tests b/test/shaping/tests/misc/spaces.tests
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diff --git a/test/shaping/tests/misc/tibetan-contractions-1.tests b/test/shaping/tests/misc/tibetan-contractions-1.tests
deleted file mode 100644
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diff --git a/test/shaping/tests/misc/tibetan-contractions-2.tests b/test/shaping/tests/misc/tibetan-contractions-2.tests
deleted file mode 100644
index ac15d522d..000000000
--- a/test/shaping/tests/misc/tibetan-contractions-2.tests
+++ /dev/null
@@ -1,53 +0,0 @@
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diff --git a/test/shaping/tests/misc/use.tests b/test/shaping/tests/misc/use.tests
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deleted file mode 100644
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diff --git a/test/shaping/tests/misc/vertical.tests b/test/shaping/tests/misc/vertical.tests
deleted file mode 100644
index e0b64d944..000000000
--- a/test/shaping/tests/misc/vertical.tests
+++ /dev/null
@@ -1,3 +0,0 @@
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diff --git a/test/shaping/tests/misc/zero-width-marks.tests b/test/shaping/tests/misc/zero-width-marks.tests
deleted file mode 100644
index c08f26ba2..000000000
--- a/test/shaping/tests/misc/zero-width-marks.tests
+++ /dev/null
@@ -1,11 +0,0 @@
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diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-persian/mehran.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-persian/mehran.txt
similarity index 95%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-persian/mehran.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-persian/mehran.txt
index 4be078648..b5b670fe1 100755
--- a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-persian/mehran.txt
+++ b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-persian/mehran.txt
@@ -1,8 +1,8 @@
-‫دَر فارسی گَچْ‌پَژْ هست. این «ی» فارسی است.‬
-‫حرف «ع» را به چٰهار شکلِ «ع‍» و «‍ع‍» و «‍ع» و «‌ع‌» می‌توان نشان داد.‬
-‫تشخیصِ اِعْ‌ًٌَُراب ناهمخوان از وظایف حروفْ‌چین است.‬
-‫دو اِعراب همخوان مانند « َ» و « ّ» به شکل « َّ» باهم ترکیب می‌شوند.‬
-‫لازم است حروف‌چین رفتار درستی با کشیدهٔ یونی‌کدی داشته باشد.‬
-‫مثلاً بتواند کلـمهٔ «پیِٓـــــــچ» یا حروف «ــٖٓـ» را به درستی نمایش دهد.‬
-‫حرف «لام» و «الف» باید به شکل لیگاتوری نمایش داده شوند.‬
+‫دَر فارسی گَچْ‌پَژْ هست. این «ی» فارسی است.‬
+‫حرف «ع» را به چٰهار شکلِ «ع‍» و «‍ع‍» و «‍ع» و «‌ع‌» می‌توان نشان داد.‬
+‫تشخیصِ اِعْ‌ًٌَُراب ناهمخوان از وظایف حروفْ‌چین است.‬
+‫دو اِعراب همخوان مانند « َ» و « ّ» به شکل « َّ» باهم ترکیب می‌شوند.‬
+‫لازم است حروف‌چین رفتار درستی با کشیدهٔ یونی‌کدی داشته باشد.‬
+‫مثلاً بتواند کلـمهٔ «پیِٓـــــــچ» یا حروف «ــٖٓـ» را به درستی نمایش دهد.‬
+‫حرف «لام» و «الف» باید به شکل لیگاتوری نمایش داده شوند.‬
 ‫کلمهٔ «بَلَاٰ» از آزمون‌های سطح پائین حروف‌چین است.‬
\ No newline at end of file
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/2grams.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/2grams.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/2grams.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/2grams.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/3grams.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/3grams.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/3grams.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/3grams.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/4grams.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/4grams.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/4grams.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/4grams.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/5grams.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/5grams.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/5grams.txt
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diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/6grams.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/6grams.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/6grams.txt
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diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/7grams.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/7grams.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/7grams.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/7grams.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/8grams.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/8grams.txt
similarity index 100%
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rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/8grams.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/LICENSE b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/LICENSE
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/LICENSE
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/LICENSE
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/README b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/README
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/README
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/README
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/SOURCES b/test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/SOURCES
similarity index 100%
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rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/language-urdu/crulp/ligatures/SOURCES
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/lam-alef.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/lam-alef.txt
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rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/lam-alef.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/lam-alef.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/language-arabic.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/language-arabic.txt
similarity index 100%
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rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/language-arabic.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/language-persian.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/language-persian.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/language-persian.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/language-persian.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/language-urdu.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/language-urdu.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/language-urdu.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/language-urdu.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/ligature-components.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/ligature-components.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/ligature-components.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/ligature-components.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/ligature-diacritics.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/ligature-diacritics.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/ligature-diacritics.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/ligature-diacritics.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/mark-skipping.txt b/test/shaping/texts/in-house/shaper-arabic/script-arabic/misc/diacritics/mark-skipping.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-arabic/misc/diacritics/mark-skipping.txt
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diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-mongolian/misc/misc.txt b/test/shaping/texts/in-house/shaper-arabic/script-mongolian/misc/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-mongolian/misc/misc.txt
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diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-mongolian/misc/non-joining.txt b/test/shaping/texts/in-house/shaper-arabic/script-mongolian/misc/non-joining.txt
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rename to test/shaping/texts/in-house/shaper-arabic/script-mongolian/misc/non-joining.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-mongolian/misc/poem.txt b/test/shaping/texts/in-house/shaper-arabic/script-mongolian/misc/poem.txt
similarity index 100%
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diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-mongolian/misc/variation-selectors.txt b/test/shaping/texts/in-house/shaper-arabic/script-mongolian/misc/variation-selectors.txt
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diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-nko/misc/misc.txt b/test/shaping/texts/in-house/shaper-arabic/script-nko/misc/misc.txt
similarity index 100%
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diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-phags-pa/misc/misc.txt b/test/shaping/texts/in-house/shaper-arabic/script-phags-pa/misc/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-phags-pa/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-phags-pa/misc/misc.txt
diff --git a/test/shaping/texts/in-house/shaper-arabic/script-syriac/misc/abbreviation-mark.txt b/test/shaping/texts/in-house/shaper-arabic/script-syriac/misc/abbreviation-mark.txt
new file mode 100644
index 000000000..52bdbea3c
--- /dev/null
+++ b/test/shaping/texts/in-house/shaper-arabic/script-syriac/misc/abbreviation-mark.txt
@@ -0,0 +1,11 @@
+ܐܒ
+ܐ܏
+ܐ܏ܒ
+ܐ܏ܒܓ
+ܐ܏ܒܓܕ
+ܐ܏ܒܓܕܐ
+ܐ܏ܒܓܕܐܐܐܐܐܐܐܐܐ
+ܐ܏ܒܓܕܐ܏ܐܐܐ܏ܐ܏ܐܐܐܐ
+ܐ܏ܒܓܕܓܓܓܓܓܓ
+ܐ܏ܒܓ
+܏ܫܘabcܒ.
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-syriac/misc/alaph.txt b/test/shaping/texts/in-house/shaper-arabic/script-syriac/misc/alaph.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-arabic/script-syriac/misc/alaph.txt
rename to test/shaping/texts/in-house/shaper-arabic/script-syriac/misc/alaph.txt
diff --git a/test/shaping/texts/in-tree/shaper-default/script-ethiopic/misc/misc.txt b/test/shaping/texts/in-house/shaper-default/script-ethiopic/misc/misc.txt
similarity index 100%
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diff --git a/test/shaping/texts/in-tree/shaper-default/script-han/misc/cjk-compat.txt b/test/shaping/texts/in-house/shaper-default/script-han/misc/cjk-compat.txt
similarity index 100%
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diff --git a/test/shaping/texts/in-tree/shaper-default/script-hiragana/misc/kazuraki-liga-lines.txt b/test/shaping/texts/in-house/shaper-default/script-hiragana/misc/kazuraki-liga-lines.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-default/script-hiragana/misc/kazuraki-liga-lines.txt
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diff --git a/test/shaping/texts/in-tree/shaper-default/script-hiragana/misc/kazuraki-liga.txt b/test/shaping/texts/in-house/shaper-default/script-hiragana/misc/kazuraki-liga.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-default/script-hiragana/misc/kazuraki-liga.txt
rename to test/shaping/texts/in-house/shaper-default/script-hiragana/misc/kazuraki-liga.txt
diff --git a/test/shaping/texts/in-tree/shaper-default/script-linear-b/misc/misc.txt b/test/shaping/texts/in-house/shaper-default/script-linear-b/misc/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-default/script-linear-b/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-default/script-linear-b/misc/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-default/script-tifinagh/misc/misc.txt b/test/shaping/texts/in-house/shaper-default/script-tifinagh/misc/misc.txt
similarity index 98%
rename from test/shaping/texts/in-tree/shaper-default/script-tifinagh/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-default/script-tifinagh/misc/misc.txt
index 0c307eb93..9fc069a34 100644
--- a/test/shaping/texts/in-tree/shaper-default/script-tifinagh/misc/misc.txt
+++ b/test/shaping/texts/in-house/shaper-default/script-tifinagh/misc/misc.txt
@@ -8,4 +8,3 @@
 ⵔ⵿ⵜ
 ⵙⵜ
 ⵙ⵿ⵜ
-
diff --git a/test/shaping/texts/in-tree/shaper-hangul/script-hangul/misc/misc.txt b/test/shaping/texts/in-house/shaper-hangul/script-hangul/misc/misc.txt
similarity index 100%
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rename to test/shaping/texts/in-house/shaper-hangul/script-hangul/misc/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-hebrew/script-hebrew/misc/diacritics.txt b/test/shaping/texts/in-house/shaper-hebrew/script-hebrew/misc/diacritics.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-hebrew/script-hebrew/misc/diacritics.txt
rename to test/shaping/texts/in-house/shaper-hebrew/script-hebrew/misc/diacritics.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/LICENSE b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/LICENSE
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/README b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/README
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/SOURCES b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/SOURCES
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rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/SOURCES
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
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rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
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rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
similarity index 100%
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt
similarity index 100%
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rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/gsub/IndicFontFeatureGSUB.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/gsub/IndicFontFeatureGSUB.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-assamese/utrrs/gsub/IndicFontFeatureGSUB.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-assamese/utrrs/gsub/IndicFontFeatureGSUB.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-bengali/misc/misc.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-bengali/misc/misc.txt
similarity index 100%
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gujarati/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gujarati/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gujarati/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gujarati/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gujarati/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gujarati/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gujarati/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gujarati/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gujarati/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gujarati/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gujarati/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gujarati/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gujarati/utrrs/gsub/IndicFontFeatureGSUB.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gujarati/utrrs/gsub/IndicFontFeatureGSUB.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/misc/misc.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/misc/misc.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/LICENSE b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/LICENSE
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/README b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/README
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-GurmukhiSpecific.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-GurmukhiSpecific.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-gurmukhi/utrrs/gsub/IndicFontFeatureGSUB.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-gurmukhi/utrrs/gsub/IndicFontFeatureGSUB.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/misc/misc.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/misc/misc.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/misc/right-matras.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/misc/right-matras.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/utrrs/LICENSE b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/utrrs/LICENSE
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalConsonants.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalConsonants.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/utrrs/gsub/IndicFontFeatureGSUB.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-kannada/utrrs/gsub/IndicFontFeatureGSUB.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-malayalam/misc/cibu.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-malayalam/misc/cibu.txt
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diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-Special-Cases.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-Special-Cases.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-Special-Cases.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-Special-Cases.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-TouchingLetters.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-TouchingLetters.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-TouchingLetters.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-TouchingLetters.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-Yansaya.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-Yansaya.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-Yansaya.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB-Yansaya.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-sinhala/utrrs/gsub/IndicFontFeatureGSUB.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/misc/misc.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/misc/misc.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/misc/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/LICENSE b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/LICENSE
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/LICENSE
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/LICENSE
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/README b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/README
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/README
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/README
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/SOURCES b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/SOURCES
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/SOURCES
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/SOURCES
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-CurrencySymbols.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-CurrencySymbols.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-CurrencySymbols.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-CurrencySymbols.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Numerics.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Numerics.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Numerics.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Numerics.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Symbols.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Symbols.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Symbols.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-Symbols.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-TamilSymbol.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-TamilSymbol.txt
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-TamilSymbol.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-TamilSymbol.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/gpos/IndicFontFeatureGPOS-BelowBase.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/gsub/IndicFontFeatureGSUB.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/gsub/IndicFontFeatureGSUB.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-tamil/utrrs/gsub/IndicFontFeatureGSUB.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-tamil/utrrs/gsub/IndicFontFeatureGSUB.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/misc/misc.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/misc/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/misc/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/LICENSE b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/LICENSE
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/LICENSE
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/LICENSE
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/README b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/README
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rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/README
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/README
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/SOURCES b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/SOURCES
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/SOURCES
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/SOURCES
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-AdditionalVowels.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Consonants.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-DependentVowels.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Digits.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-IndependentVowels.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-Reserved.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/codepoint/IndicFontFeatureCodepoint-VariousSigns.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/gpos/IndicFontFeatureGPOS-AboveBase.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/gsub/IndicFontFeatureGSUB.txt b/test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/gsub/IndicFontFeatureGSUB.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/indic/script-telugu/utrrs/gsub/IndicFontFeatureGSUB.txt
rename to test/shaping/texts/in-house/shaper-indic/indic/script-telugu/utrrs/gsub/IndicFontFeatureGSUB.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/south-east-asian/script-javanese/misc.txt b/test/shaping/texts/in-house/shaper-indic/south-east-asian/script-javanese/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/south-east-asian/script-javanese/misc.txt
rename to test/shaping/texts/in-house/shaper-indic/south-east-asian/script-javanese/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/south-east-asian/script-khmer/misc/misc.txt b/test/shaping/texts/in-house/shaper-indic/south-east-asian/script-khmer/misc/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/south-east-asian/script-khmer/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-indic/south-east-asian/script-khmer/misc/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/south-east-asian/script-khmer/misc/other-marks-invalid.txt b/test/shaping/texts/in-house/shaper-indic/south-east-asian/script-khmer/misc/other-marks-invalid.txt
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rename from test/shaping/texts/in-tree/shaper-indic/south-east-asian/script-khmer/misc/other-marks-invalid.txt
rename to test/shaping/texts/in-house/shaper-indic/south-east-asian/script-khmer/misc/other-marks-invalid.txt
diff --git a/test/shaping/texts/in-tree/shaper-indic/south-east-asian/script-khmer/misc/other-marks.txt b/test/shaping/texts/in-house/shaper-indic/south-east-asian/script-khmer/misc/other-marks.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-indic/south-east-asian/script-khmer/misc/other-marks.txt
rename to test/shaping/texts/in-house/shaper-indic/south-east-asian/script-khmer/misc/other-marks.txt
diff --git a/test/shaping/texts/in-tree/shaper-myanmar/script-myanmar/misc/misc.txt b/test/shaping/texts/in-house/shaper-myanmar/script-myanmar/misc/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-myanmar/script-myanmar/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-myanmar/script-myanmar/misc/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-myanmar/script-myanmar/misc/otspec.txt b/test/shaping/texts/in-house/shaper-myanmar/script-myanmar/misc/otspec.txt
similarity index 98%
rename from test/shaping/texts/in-tree/shaper-myanmar/script-myanmar/misc/otspec.txt
rename to test/shaping/texts/in-house/shaper-myanmar/script-myanmar/misc/otspec.txt
index 66779cbd6..e3d460de6 100644
--- a/test/shaping/texts/in-tree/shaper-myanmar/script-myanmar/misc/otspec.txt
+++ b/test/shaping/texts/in-house/shaper-myanmar/script-myanmar/misc/otspec.txt
@@ -1,2 +1 @@
 င်္က္ကျြွှေို့်ာှီ့ၤဲံ့းႍ
-
diff --git a/test/shaping/texts/in-tree/shaper-myanmar/script-myanmar/misc/utn11.txt b/test/shaping/texts/in-house/shaper-myanmar/script-myanmar/misc/utn11.txt
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rename from test/shaping/texts/in-tree/shaper-myanmar/script-myanmar/misc/utn11.txt
rename to test/shaping/texts/in-house/shaper-myanmar/script-myanmar/misc/utn11.txt
diff --git a/test/shaping/texts/in-tree/shaper-thai/script-lao/misc/sara-am.txt b/test/shaping/texts/in-house/shaper-thai/script-lao/misc/sara-am.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-thai/script-lao/misc/sara-am.txt
rename to test/shaping/texts/in-house/shaper-thai/script-lao/misc/sara-am.txt
diff --git a/test/shaping/texts/in-tree/shaper-thai/script-thai/misc/misc.txt b/test/shaping/texts/in-house/shaper-thai/script-thai/misc/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-thai/script-thai/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-thai/script-thai/misc/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-thai/script-thai/misc/phinthu.txt b/test/shaping/texts/in-house/shaper-thai/script-thai/misc/phinthu.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-thai/script-thai/misc/phinthu.txt
rename to test/shaping/texts/in-house/shaper-thai/script-thai/misc/phinthu.txt
diff --git a/test/shaping/texts/in-tree/shaper-thai/script-thai/misc/pua-shaping.txt b/test/shaping/texts/in-house/shaper-thai/script-thai/misc/pua-shaping.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-thai/script-thai/misc/pua-shaping.txt
rename to test/shaping/texts/in-house/shaper-thai/script-thai/misc/pua-shaping.txt
diff --git a/test/shaping/texts/in-tree/shaper-thai/script-thai/misc/sara-am.txt b/test/shaping/texts/in-house/shaper-thai/script-thai/misc/sara-am.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-thai/script-thai/misc/sara-am.txt
rename to test/shaping/texts/in-house/shaper-thai/script-thai/misc/sara-am.txt
diff --git a/test/shaping/texts/in-tree/shaper-tibetan/script-tibetan/misc/contractions.txt b/test/shaping/texts/in-house/shaper-tibetan/script-tibetan/misc/contractions.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-tibetan/script-tibetan/misc/contractions.txt
rename to test/shaping/texts/in-house/shaper-tibetan/script-tibetan/misc/contractions.txt
diff --git a/test/shaping/texts/in-tree/shaper-tibetan/script-tibetan/misc/misc.txt b/test/shaping/texts/in-house/shaper-tibetan/script-tibetan/misc/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-tibetan/script-tibetan/misc/misc.txt
rename to test/shaping/texts/in-house/shaper-tibetan/script-tibetan/misc/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-use/script-batak/misc.txt b/test/shaping/texts/in-house/shaper-use/script-batak/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-use/script-batak/misc.txt
rename to test/shaping/texts/in-house/shaper-use/script-batak/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-use/script-buginese/misc.txt b/test/shaping/texts/in-house/shaper-use/script-buginese/misc.txt
similarity index 56%
rename from test/shaping/texts/in-tree/shaper-use/script-buginese/misc.txt
rename to test/shaping/texts/in-house/shaper-use/script-buginese/misc.txt
index fe1b76dd4..5c1a03ad1 100644
--- a/test/shaping/texts/in-tree/shaper-use/script-buginese/misc.txt
+++ b/test/shaping/texts/in-house/shaper-use/script-buginese/misc.txt
@@ -18,53 +18,53 @@
 ᨉᨙᨄ
 
 ᨆᨙᨒᨚ ᨀ ᨌᨛᨙᨆ
-ᨔᨙᨉᨗ	
-ᨉᨘᨓ	
-ᨈᨛᨒᨘ	
-ᨕᨛᨄ	
-ᨒᨗᨆ	
-ᨕᨛᨊᨛ	
-ᨄᨗᨈᨘ	
-ᨕᨑᨘᨓ	
-ᨕᨙᨔᨑ	
-ᨔᨄᨘᨒᨚ	
-ᨉᨘᨓᨄᨘᨒᨚ	
-ᨈᨛᨒᨘᨄᨘᨒᨚ	
-ᨄᨈᨄᨘᨒᨚ	
-ᨒᨗᨆᨄᨘᨒᨚ	
-ᨕᨛᨊᨛᨄᨘᨒᨚᨊ	
-ᨄᨗᨈᨘᨄᨘᨒᨚ	
-ᨕᨑᨘᨓᨄᨘᨒᨚᨊ	
-ᨕᨙᨔᨑᨄᨘᨒᨚᨊ	
-ᨔᨗᨑᨈᨘ	
-ᨔᨗᨔᨛᨅᨘ	
-ᨔᨗᨒᨔ	
-ᨔᨗᨀᨚᨈᨗ	
+ᨔᨙᨉᨗ
+ᨉᨘᨓ
+ᨈᨛᨒᨘ
+ᨕᨛᨄ
+ᨒᨗᨆ
+ᨕᨛᨊᨛ
+ᨄᨗᨈᨘ
+ᨕᨑᨘᨓ
+ᨕᨙᨔᨑ
+ᨔᨄᨘᨒᨚ
+ᨉᨘᨓᨄᨘᨒᨚ
+ᨈᨛᨒᨘᨄᨘᨒᨚ
+ᨄᨈᨄᨘᨒᨚ
+ᨒᨗᨆᨄᨘᨒᨚ
+ᨕᨛᨊᨛᨄᨘᨒᨚᨊ
+ᨄᨗᨈᨘᨄᨘᨒᨚ
+ᨕᨑᨘᨓᨄᨘᨒᨚᨊ
+ᨕᨙᨔᨑᨄᨘᨒᨚᨊ
+ᨔᨗᨑᨈᨘ
+ᨔᨗᨔᨛᨅᨘ
+ᨔᨗᨒᨔ
+ᨔᨗᨀᨚᨈᨗ
 
 ᨅᨔ ᨕᨘᨁᨗ
 
 ᨅᨔ ᨆᨀᨔᨑ
-ᨅᨒ	
-ᨅᨚᨒᨚ	
-ᨅᨅ	
-ᨌᨗᨄᨘᨑᨘ	
-ᨉᨚᨕᨙ	
-ᨕᨗᨐᨚ	
-ᨒᨚᨄᨚ	
-ᨔᨒᨚ	
-ᨈ ᨅᨙᨙ	
-ᨈᨙᨊ	
-ᨀᨑᨕᨙ	
-ᨕᨄ ᨀᨑᨙᨅ?	
-ᨒᨀᨙᨀᨚ ᨆᨕᨙ?	
-ᨅᨒ	
-ᨅᨚᨈᨚ	
-ᨑᨈᨔ	
-ᨅᨈᨒ	
-ᨅᨗᨒ	
-ᨁᨙᨒᨙ ᨁᨙᨒᨙ	
-ᨀᨚᨀᨚ	
-ᨍᨑ	
-ᨅᨙᨅᨙ	
-ᨆᨚᨈᨙᨑᨙ	
-ᨂᨑᨙ	
+ᨅᨒ
+ᨅᨚᨒᨚ
+ᨅᨅ
+ᨌᨗᨄᨘᨑᨘ
+ᨉᨚᨕᨙ
+ᨕᨗᨐᨚ
+ᨒᨚᨄᨚ
+ᨔᨒᨚ
+ᨈ ᨅᨙᨙ
+ᨈᨙᨊ
+ᨀᨑᨕᨙ
+ᨕᨄ ᨀᨑᨙᨅ?
+ᨒᨀᨙᨀᨚ ᨆᨕᨙ?
+ᨅᨒ
+ᨅᨚᨈᨚ
+ᨑᨈᨔ
+ᨅᨈᨒ
+ᨅᨗᨒ
+ᨁᨙᨒᨙ ᨁᨙᨒᨙ
+ᨀᨚᨀᨚ
+ᨍᨑ
+ᨅᨙᨅᨙ
+ᨆᨚᨈᨙᨑᨙ
+ᨂᨑᨙ
diff --git a/test/shaping/texts/in-tree/shaper-use/script-cham/misc.txt b/test/shaping/texts/in-house/shaper-use/script-cham/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-use/script-cham/misc.txt
rename to test/shaping/texts/in-house/shaper-use/script-cham/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-use/script-kaithi/misc.txt b/test/shaping/texts/in-house/shaper-use/script-kaithi/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-use/script-kaithi/misc.txt
rename to test/shaping/texts/in-house/shaper-use/script-kaithi/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-use/script-kharoshti/misc.txt b/test/shaping/texts/in-house/shaper-use/script-kharoshti/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-use/script-kharoshti/misc.txt
rename to test/shaping/texts/in-house/shaper-use/script-kharoshti/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-use/script-tai-tham/misc.txt b/test/shaping/texts/in-house/shaper-use/script-tai-tham/misc.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-use/script-tai-tham/misc.txt
rename to test/shaping/texts/in-house/shaper-use/script-tai-tham/misc.txt
diff --git a/test/shaping/texts/in-tree/shaper-use/script-tai-tham/torture.txt b/test/shaping/texts/in-house/shaper-use/script-tai-tham/torture.txt
similarity index 100%
rename from test/shaping/texts/in-tree/shaper-use/script-tai-tham/torture.txt
rename to test/shaping/texts/in-house/shaper-use/script-tai-tham/torture.txt
diff --git a/test/shaping/texts/in-tree/shaper-arabic/script-syriac/misc/abbreviation-mark.txt b/test/shaping/texts/in-tree/shaper-arabic/script-syriac/misc/abbreviation-mark.txt
deleted file mode 100644
index a450678d5..000000000
--- a/test/shaping/texts/in-tree/shaper-arabic/script-syriac/misc/abbreviation-mark.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-ܐܒ 
-ܐ܏ 
-ܐ܏ܒ 
-ܐ܏ܒܓ 
-ܐ܏ܒܓܕ 
-ܐ܏ܒܓܕܐ 
-ܐ܏ܒܓܕܐܐܐܐܐܐܐܐܐ 
-ܐ܏ܒܓܕܐ܏ܐܐܐ܏ܐ܏ܐܐܐܐ 
-ܐ܏ܒܓܕܓܓܓܓܓܓ 
-ܐ܏ܒܓ 
-܏ܫܘabcܒ.

From 141db8b7a3abf2adbf0caa0659d9239396f6a2db Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 23:11:00 +0100
Subject: [PATCH 0784/1326] [test] Minor

---
 test/shaping/Makefile.am  | 4 ----
 test/shaping/run-tests.py | 4 ++--
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 3208007d1..c63374ed3 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -86,10 +86,6 @@ TEST_EXTENSIONS = \
 AM_TESTS_ENVIRONMENT = \
 	EXEEXT="$(EXEEXT)"; \
 	export EXEEXT; \
-	srcdir="$(srcdir)"; \
-	export srcdir; \
-	builddir="$(builddir)"; \
-	export builddir; \
 	$(NULL)
 
 if AUTOMAKE_OLDER_THAN_1_13
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index 7f53e494f..76c1bd382 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -20,7 +20,7 @@ def cmd(command):
 
 builddir = os.environ.get ("builddir", ".")
 top_builddir = os.environ.get ("top_builddir",
-	os.path.normpath (os.path.join (os.getcwd (), "..", "..")))
+	os.path.normpath (os.path.join (builddir, "..", "..")))
 utildir = os.environ.get ("utildir", "util")
 EXEEXT = os.environ.get ("EXEEXT", "")
 
@@ -30,7 +30,7 @@ hb_shape = os.path.join (top_builddir, utildir, "hb-shape" + EXEEXT)
 args = sys.argv[1:]
 
 if not os.path.exists (hb_shape):
-	if len (sys.argv) == 1 or not os.path.exists (sys.argv[1]):
+	if len (sys.argv) == 1 or sys.argv[1].find('hb-shape') == -1 or not os.path.exists (sys.argv[1]):
 		print ("""Failed to find hb-shape binary automatically,
 please provide it as the first argument to the tool""")
 		sys.exit (1)

From 504f913654d5904604e6abdbf7d0653f40db51fc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 9 Jan 2018 23:15:54 +0100
Subject: [PATCH 0785/1326] [test] Simplify test runner

Always pass hb-shape as first argument to run-tests.py.

Also require automake 1.13.
---
 configure.ac              |  3 +--
 test/shaping/Makefile.am  | 18 ++----------------
 test/shaping/run-tests.py | 22 +++++-----------------
 3 files changed, 8 insertions(+), 35 deletions(-)

diff --git a/configure.ac b/configure.ac
index 18bfe2a05..3b68264ee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,8 +9,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([src/harfbuzz.pc.in])
 AC_CONFIG_HEADERS([config.h])
 
-AM_INIT_AUTOMAKE([1.11.1 gnits tar-ustar dist-bzip2 no-dist-gzip -Wall no-define color-tests -Wno-portability])
-AM_CONDITIONAL(AUTOMAKE_OLDER_THAN_1_13, test $am__api_version = 1.11 -o $am__api_version = 1.12)
+AM_INIT_AUTOMAKE([1.13.0 gnits tar-ustar dist-bzip2 no-dist-gzip -Wall no-define color-tests -Wno-portability])
 AM_SILENT_RULES([yes])
 
 # Initialize libtool
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index c63374ed3..116a7e44e 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -79,22 +79,8 @@ TESTS = \
 	data/in-house/tests/zero-width-marks.tests \
 	$(NULL)
 
-TEST_EXTENSIONS = \
-	.tests \
-	$(NULL)
+TEST_EXTENSIONS = .tests
 
-AM_TESTS_ENVIRONMENT = \
-	EXEEXT="$(EXEEXT)"; \
-	export EXEEXT; \
-	$(NULL)
-
-if AUTOMAKE_OLDER_THAN_1_13
-TESTS_ENVIRONMENT = \
-	$(AM_TESTS_ENVIRONMENT) \
-	$(TESTS_LOG_COMPILER) \
-	$(NULL)
-endif
-
-TESTS_LOG_COMPILER = $(srcdir)/run-tests.py
+TESTS_LOG_COMPILER = $(srcdir)/run-tests.py $(top_builddir)/util/hb-shape$(EXEEXT)
 
 -include $(top_srcdir)/git.mk
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index 76c1bd382..33009269d 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -18,25 +18,13 @@ def cmd(command):
 	return p.stdout.read ().decode ("utf-8"), p.returncode
 
 
-builddir = os.environ.get ("builddir", ".")
-top_builddir = os.environ.get ("top_builddir",
-	os.path.normpath (os.path.join (builddir, "..", "..")))
-utildir = os.environ.get ("utildir", "util")
-EXEEXT = os.environ.get ("EXEEXT", "")
+args = sys.argv[1:]
+if not args or sys.argv[1].find('hb-shape') == -1 or not os.path.exists (sys.argv[1]):
+	print ("""First argument does not seem to point to usable hb-shape.""")
+	sys.exit (1)
+hb_shape, args = args[0], args[1:]
 
 extra_options = "--verify"
-hb_shape = os.path.join (top_builddir, utildir, "hb-shape" + EXEEXT)
-
-args = sys.argv[1:]
-
-if not os.path.exists (hb_shape):
-	if len (sys.argv) == 1 or sys.argv[1].find('hb-shape') == -1 or not os.path.exists (sys.argv[1]):
-		print ("""Failed to find hb-shape binary automatically,
-please provide it as the first argument to the tool""")
-		sys.exit (1)
-
-	hb_shape = args[0]
-	args = args[1:]
 
 fails = 0
 

From 6b4d63f295f419f55983a8fc72f582802f55b09f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 01:13:36 +0100
Subject: [PATCH 0786/1326] [test] Minor

---
 test/shaping/run-tests.py | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index 33009269d..56b4d7789 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -4,12 +4,6 @@ from __future__ import print_function
 import sys, os, subprocess
 
 
-try:
-	input = raw_input
-except NameError:
-	pass
-
-
 def cmd(command):
 	p = subprocess.Popen (
 		command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
@@ -33,9 +27,6 @@ if len (args) and args[0] == "--reference":
 	reference = True
 	args = args[1:]
 
-if not reference:
-	print ('hb_shape:', hb_shape)
-
 if not len (args):
 	args = ['-']
 

From 316a28f8f8a9c459936ce9f2786d4d64a8f4e2c0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 01:54:12 +0100
Subject: [PATCH 0787/1326] [test] Add script for extracting tests from
 text-rendering-tests

Work in progress...

https://github.com/unicode-org/text-rendering-tests
---
 .../text-rendering-tests/extract-tests.py     | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 test/shaping/data/text-rendering-tests/extract-tests.py

diff --git a/test/shaping/data/text-rendering-tests/extract-tests.py b/test/shaping/data/text-rendering-tests/extract-tests.py
new file mode 100755
index 000000000..cb003db9c
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/extract-tests.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+import sys
+import xml.etree.ElementTree as ET
+
+# Can we extract this from HTML element itself? I couldn't.
+namespaces = {
+	'ft': 'https://github.com/OpenType/fonttest',
+	'xlink': 'http://www.w3.org/1999/xlink',
+}
+def ns(s):
+	ns,s = s.split(':')
+	return '{%s}%s' % (namespaces[ns], s)
+
+def unistr(s):
+	return ','.join('U+%04X' % ord(c) for c in s)
+
+def glyphstr(glyphs):
+	out = []
+	for glyphname,x,y in glyphs:
+		if x or y:
+			out.append('%s@%d,%d' % (glyphname, x, y))
+		else:
+			out.append(glyphname)
+	return '['+'|'.join(out)+']'
+
+html = ET.fromstring(sys.stdin.read())
+found = False
+for elt in html.findall(".//*[@class='expected'][@ft:id]", namespaces):
+	found = True
+	name = elt.get(ns('ft:id'))
+	text = elt.get(ns('ft:render'))
+	font = elt.get(ns('ft:font'))
+	glyphs = []
+	for use in elt.findall(".//use"):
+		x = int(use.get('x'))
+		y = int(use.get('y'))
+		href = use.get(ns('xlink:href'))
+		assert href[0] == '#'
+		glyphname = '.'.join(href[1:].split('/')[1].split('.')[1:])
+		glyphs.append((glyphname, x, y))
+	print("../fonts/%s:--font-size=1000 --no-clusters --no-advances:%s:%s" % (font, unistr(text), glyphstr(glyphs)))
+
+sys.exit(0 if found else 1)

From 71fd6325b6cba2586709022dd33530c61141bf8f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 02:20:14 +0100
Subject: [PATCH 0788/1326] Add option to buffer serialization to not output
 glyph advances

When advances are not printed, glyph offsets reflect absolute glyph
positions.

New API:
HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES
hb-shape --no-advances
---
 src/hb-buffer-serialize.cc | 36 +++++++++++++++++++++++++++---------
 src/hb-buffer.h            |  5 ++++-
 util/hb-shape.cc           |  2 ++
 util/options.cc            |  2 ++
 util/options.hh            |  2 ++
 5 files changed, 37 insertions(+), 10 deletions(-)

diff --git a/src/hb-buffer-serialize.cc b/src/hb-buffer-serialize.cc
index ea62e9ffd..6a19c43c3 100644
--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@@ -109,6 +109,7 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
 			     nullptr : hb_buffer_get_glyph_positions (buffer, nullptr);
 
   *buf_consumed = 0;
+  hb_position_t x = 0, y = 0;
   for (unsigned int i = start; i < end; i++)
   {
     char b[1024];
@@ -146,9 +147,10 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
     if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS))
     {
       p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"dx\":%d,\"dy\":%d",
-			     pos[i].x_offset, pos[i].y_offset));
-      p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"ax\":%d,\"ay\":%d",
-			     pos[i].x_advance, pos[i].y_advance));
+			     x+pos[i].x_offset, y+pos[i].y_offset));
+      if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES))
+	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"ax\":%d,\"ay\":%d",
+			       pos[i].x_advance, pos[i].y_advance));
     }
 
     if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS)
@@ -179,6 +181,12 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
       *buf = '\0';
     } else
       return i - start;
+
+    if (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES)
+    {
+      x += pos[i].x_advance;
+      y += pos[i].y_advance;
+    }
   }
 
   return end - start;
@@ -199,6 +207,7 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
 			     nullptr : hb_buffer_get_glyph_positions (buffer, nullptr);
 
   *buf_consumed = 0;
+  hb_position_t x = 0, y = 0;
   for (unsigned int i = start; i < end; i++)
   {
     char b[1024];
@@ -223,13 +232,16 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
 
     if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS))
     {
-      if (pos[i].x_offset || pos[i].y_offset)
-	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "@%d,%d", pos[i].x_offset, pos[i].y_offset));
+      if (x+pos[i].x_offset || y+pos[i].y_offset)
+	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "@%d,%d", x+pos[i].x_offset, y+pos[i].y_offset));
 
-      *p++ = '+';
-      p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%d", pos[i].x_advance));
-      if (pos[i].y_advance)
-	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",%d", pos[i].y_advance));
+      if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES))
+      {
+	*p++ = '+';
+	p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%d", pos[i].x_advance));
+	if (pos[i].y_advance)
+	  p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",%d", pos[i].y_advance));
+      }
     }
 
     if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS)
@@ -255,6 +267,12 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
       *buf = '\0';
     } else
       return i - start;
+
+    if (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES)
+    {
+      x += pos[i].x_advance;
+      y += pos[i].y_advance;
+    }
   }
 
   return end - start;
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index a8a4b84e9..1341be524 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -412,6 +412,8 @@ hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
  * @HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS: do not serialize glyph position information.
  * @HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES: do no serialize glyph name.
  * @HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS: serialize glyph extents.
+ * @HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS: serialize glyph flags. Since: 1.5.0
+ * @HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: do not serialize glyph advances. Since: 1.8.0
  *
  * Flags that control what glyph information are serialized in hb_buffer_serialize_glyphs().
  *
@@ -423,7 +425,8 @@ typedef enum { /*< flags >*/
   HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS		= 0x00000002u,
   HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES	= 0x00000004u,
   HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS	= 0x00000008u,
-  HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS		= 0x00000010u
+  HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS		= 0x00000010u,
+  HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES		= 0x00000020u
 } hb_buffer_serialize_flags_t;
 
 /**
diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index dc9f446bc..337cd4319 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -72,6 +72,8 @@ struct output_buffer_t
       flags |= HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS;
     if (!format.show_positions)
       flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
+    if (!format.show_advances)
+      flags |= HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES;
     if (format.show_extents)
       flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
     if (format.show_flags)
diff --git a/util/options.cc b/util/options.cc
index 5434b1567..dc95b71fa 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -844,6 +844,8 @@ format_options_t::add_options (option_parser_t *parser)
 			      G_OPTION_ARG_NONE,	&this->show_glyph_names,	"Output glyph indices instead of names",				nullptr},
     {"no-positions",	0, G_OPTION_FLAG_REVERSE,
 			      G_OPTION_ARG_NONE,	&this->show_positions,		"Do not output glyph positions",					nullptr},
+    {"no-advances",	0, G_OPTION_FLAG_REVERSE,
+			      G_OPTION_ARG_NONE,	&this->show_advances,		"Do not output glyph advances",						nullptr},
     {"no-clusters",	0, G_OPTION_FLAG_REVERSE,
 			      G_OPTION_ARG_NONE,	&this->show_clusters,		"Do not output cluster indices",					nullptr},
     {"show-extents",	0, 0, G_OPTION_ARG_NONE,	&this->show_extents,		"Output glyph extents",							nullptr},
diff --git a/util/options.hh b/util/options.hh
index 4f9d85e50..103cd0d78 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -584,6 +584,7 @@ struct format_options_t : option_group_t
   format_options_t (option_parser_t *parser) {
     show_glyph_names = true;
     show_positions = true;
+    show_advances = true;
     show_clusters = true;
     show_text = false;
     show_unicode = false;
@@ -628,6 +629,7 @@ struct format_options_t : option_group_t
 
   hb_bool_t show_glyph_names;
   hb_bool_t show_positions;
+  hb_bool_t show_advances;
   hb_bool_t show_clusters;
   hb_bool_t show_text;
   hb_bool_t show_unicode;

From 5f94b4cc39f2f61b38c954ddac1aae6a052845bd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 02:35:59 +0100
Subject: [PATCH 0789/1326] [kern] Mark unsafe-to-break

---
 src/hb-ot-shape-fallback.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index 458c8eaa0..695f6b06a 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -473,6 +473,7 @@ _hb_ot_shape_fallback_kern (const hb_ot_shape_plan_t *plan,
       pos[idx].x_advance += kern1;
       pos[skippy_iter.idx].x_advance += kern2;
       pos[skippy_iter.idx].x_offset += kern2;
+      buffer->unsafe_to_break (idx, skippy_iter.idx + 1);
     }
 
     if (y_kern)
@@ -482,6 +483,7 @@ _hb_ot_shape_fallback_kern (const hb_ot_shape_plan_t *plan,
       pos[idx].y_advance += kern1;
       pos[skippy_iter.idx].y_advance += kern2;
       pos[skippy_iter.idx].y_offset += kern2;
+      buffer->unsafe_to_break (idx, skippy_iter.idx + 1);
     }
 
     idx = skippy_iter.idx;

From 7020130665316365c288d0960fc288faa8f5bdf7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 02:37:39 +0100
Subject: [PATCH 0790/1326] [test] Minor

---
 test/shaping/run-tests.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index 56b4d7789..b3f5ffcd9 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -9,7 +9,7 @@ def cmd(command):
 		command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 	p.wait ()
 	print (p.stderr.read (), file=sys.stderr, end='')
-	return p.stdout.read ().decode ("utf-8"), p.returncode
+	return p.stdout.read ().decode ("utf-8").strip(), p.returncode
 
 
 args = sys.argv[1:]

From 3f29ea91441b2e8c86cf379b4803f638a2e8dcfc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 02:48:04 +0100
Subject: [PATCH 0791/1326] [util] Add hb-shape --ned

For not displaying extra data: no clusters, no advance. Just data pertaining
to where glyphs end up on the screen.
---
 .../data/text-rendering-tests/extract-tests.py      |  2 +-
 util/options.cc                                     | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/test/shaping/data/text-rendering-tests/extract-tests.py b/test/shaping/data/text-rendering-tests/extract-tests.py
index cb003db9c..e87177815 100755
--- a/test/shaping/data/text-rendering-tests/extract-tests.py
+++ b/test/shaping/data/text-rendering-tests/extract-tests.py
@@ -40,6 +40,6 @@ for elt in html.findall(".//*[@class='expected'][@ft:id]", namespaces):
 		assert href[0] == '#'
 		glyphname = '.'.join(href[1:].split('/')[1].split('.')[1:])
 		glyphs.append((glyphname, x, y))
-	print("../fonts/%s:--font-size=1000 --no-clusters --no-advances:%s:%s" % (font, unistr(text), glyphstr(glyphs)))
+	print("../fonts/%s:--font-size=1000 --ned --font-funcs=ft:%s:%s" % (font, unistr(text), glyphstr(glyphs)))
 
 sys.exit(0 if found else 1)
diff --git a/util/options.cc b/util/options.cc
index dc95b71fa..23360d8f5 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -830,6 +830,17 @@ parse_verbose (const char *name G_GNUC_UNUSED,
   return true;
 }
 
+static gboolean
+parse_ned (const char *name G_GNUC_UNUSED,
+	   const char *arg G_GNUC_UNUSED,
+	   gpointer    data G_GNUC_UNUSED,
+	   GError    **error G_GNUC_UNUSED)
+{
+  format_options_t *format_opts = (format_options_t *) data;
+  format_opts->show_clusters = format_opts->show_advances = false;
+  return true;
+}
+
 void
 format_options_t::add_options (option_parser_t *parser)
 {
@@ -850,6 +861,8 @@ format_options_t::add_options (option_parser_t *parser)
 			      G_OPTION_ARG_NONE,	&this->show_clusters,		"Do not output cluster indices",					nullptr},
     {"show-extents",	0, 0, G_OPTION_ARG_NONE,	&this->show_extents,		"Output glyph extents",							nullptr},
     {"show-flags",	0, 0, G_OPTION_ARG_NONE,	&this->show_flags,		"Output glyph flags",							nullptr},
+    {"ned",	      'v', G_OPTION_FLAG_NO_ARG,
+			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_ned,		"No Extra Data; Do not output clusters or advances",			nullptr},
     {"trace",	      'V', 0, G_OPTION_ARG_NONE,	&this->trace,			"Output interim shaping results",					nullptr},
     {nullptr}
   };

From 0ed69c946247feb5bbb5be06d5314c5e0c0fec67 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 02:49:36 +0100
Subject: [PATCH 0792/1326] Disable processing of morx table in ot shaper

So I can merge this to master...
---
 src/hb-ot-shape.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 693024883..21f6eda0b 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -617,8 +617,8 @@ hb_ot_substitute_complex (hb_ot_shape_context_t *c)
   c->plan->substitute (c->font, buffer);
 
   /* XXX Call morx instead. */
-  OT::hb_apply_context_t ac (0, c->font, c->buffer);
-  hb_aat_layout_substitute (&ac);
+  //OT::hb_apply_context_t ac (0, c->font, c->buffer);
+  //hb_aat_layout_substitute (&ac);
 }
 
 static inline void

From 81e321c802afcc43186737e6900f8d7e2f9d4fd3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 02:56:29 +0100
Subject: [PATCH 0793/1326] [aat] Try fixing VC bots

c:\projects\harfbuzz\src\hb-aat-layout-common-private.hh(51): error C2872: 'UINT16': ambiguous symbol [C:\projects\harfbuzz\build\harfbuzz.vcxproj]
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(80): note: could be 'unsigned short UINT16'
c:\projects\harfbuzz\src\hb-open-type-private.hh(648): note: or       'OT::UINT16'
---
 src/hb-aat-layout-common-private.hh | 3 +++
 src/hb-aat-layout-morx-table.hh     | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 47efb4910..1c6a4af6e 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -33,6 +33,9 @@
 namespace AAT {
 
 using namespace OT;
+using OT::UINT8;
+using OT::UINT16;
+using OT::UINT32;
 
 
 /*
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index c59616e3a..db4a498cf 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -37,6 +37,9 @@
 namespace AAT {
 
 using namespace OT;
+using OT::UINT8;
+using OT::UINT16;
+using OT::UINT32;
 
 
 struct RearrangementSubtable

From 6b19178ee35fec3b2115d6a06a86db36dc838b38 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:07:30 +0100
Subject: [PATCH 0794/1326] Prefix int types with HB

Such a headache that Windows defines UINT8, ...; Just prefix it.
---
 src/hb-aat-layout-common-private.hh  |  29 ++---
 src/hb-aat-layout-morx-table.hh      |  65 +++++-----
 src/hb-open-file-private.hh          |   6 +-
 src/hb-open-type-private.hh          |  70 +++++------
 src/hb-ot-cbdt-table.hh              |  78 ++++++------
 src/hb-ot-cmap-table.hh              |  90 +++++++-------
 src/hb-ot-glyf-table.hh              |  10 +-
 src/hb-ot-head-table.hh              |  28 ++---
 src/hb-ot-hhea-table.hh              |  18 +--
 src/hb-ot-kern-table.hh              |  36 +++---
 src/hb-ot-layout-common-private.hh   | 120 +++++++++----------
 src/hb-ot-layout-gdef-table.hh       |  22 ++--
 src/hb-ot-layout-gpos-table.hh       |  94 +++++++--------
 src/hb-ot-layout-gsub-table.hh       |  30 ++---
 src/hb-ot-layout-gsubgpos-private.hh | 172 +++++++++++++--------------
 src/hb-ot-math-table.hh              |  26 ++--
 src/hb-ot-maxp-table.hh              |   2 +-
 src/hb-ot-name-table.hh              |  16 +--
 src/hb-ot-os2-table.hh               |  70 +++++------
 src/hb-ot-post-table.hh              |  16 +--
 src/hb-ot-var-avar-table.hh          |   4 +-
 src/hb-ot-var-fvar-table.hh          |  20 ++--
 src/hb-ot-var-hvar-table.hh          |   8 +-
 src/hb-ot-var-mvar-table.hh          |  10 +-
 24 files changed, 517 insertions(+), 523 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 1c6a4af6e..c3058682d 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -33,9 +33,6 @@
 namespace AAT {
 
 using namespace OT;
-using OT::UINT8;
-using OT::UINT16;
-using OT::UINT32;
 
 
 /*
@@ -51,13 +48,13 @@ struct BinSearchHeader
     return_trace (c->check_struct (this));
   }
 
-  UINT16	unitSize;	/* Size of a lookup unit for this search in bytes. */
-  UINT16	nUnits;		/* Number of units of the preceding size to be searched. */
-  UINT16	searchRange;	/* The value of unitSize times the largest power of 2
+  HBUINT16	unitSize;	/* Size of a lookup unit for this search in bytes. */
+  HBUINT16	nUnits;		/* Number of units of the preceding size to be searched. */
+  HBUINT16	searchRange;	/* The value of unitSize times the largest power of 2
 				 * that is less than or equal to the value of nUnits. */
-  UINT16	entrySelector;	/* The log base 2 of the largest power of 2 less than
+  HBUINT16	entrySelector;	/* The log base 2 of the largest power of 2 less than
 				 * or equal to the value of nUnits. */
-  UINT16	rangeShift;	/* The value of unitSize times the difference of the
+  HBUINT16	rangeShift;	/* The value of unitSize times the difference of the
 				 * value of nUnits minus the largest power of 2 less
 				 * than or equal to the value of nUnits. */
   public:
@@ -137,7 +134,7 @@ struct BinSearchArrayOf
 
   protected:
   BinSearchHeader	header;
-  UINT8			bytes[VAR];
+  HBUINT8			bytes[VAR];
   public:
   DEFINE_SIZE_ARRAY (10, bytes);
 };
@@ -199,7 +196,7 @@ struct LookupFormat0
   }
 
   protected:
-  UINT16	format;		/* Format identifier--format = 0 */
+  HBUINT16	format;		/* Format identifier--format = 0 */
   UnsizedArrayOf<T>
 		arrayZ;		/* Array of lookup values, indexed by glyph index. */
   public:
@@ -246,7 +243,7 @@ struct LookupFormat2
   }
 
   protected:
-  UINT16	format;		/* Format identifier--format = 2 */
+  HBUINT16	format;		/* Format identifier--format = 2 */
   BinSearchArrayOf<LookupSegmentSingle<T> >
 		segments;	/* The actual segments. These must already be sorted,
 				 * according to the first word in each one (the last
@@ -303,7 +300,7 @@ struct LookupFormat4
   }
 
   protected:
-  UINT16	format;		/* Format identifier--format = 2 */
+  HBUINT16	format;		/* Format identifier--format = 2 */
   BinSearchArrayOf<LookupSegmentArray<T> >
 		segments;	/* The actual segments. These must already be sorted,
 				 * according to the first word in each one (the last
@@ -348,7 +345,7 @@ struct LookupFormat6
   }
 
   protected:
-  UINT16	format;		/* Format identifier--format = 6 */
+  HBUINT16	format;		/* Format identifier--format = 6 */
   BinSearchArrayOf<LookupSingle<T> >
 		entries;	/* The actual entries, sorted by glyph index. */
   public:
@@ -373,9 +370,9 @@ struct LookupFormat8
   }
 
   protected:
-  UINT16	format;		/* Format identifier--format = 6 */
+  HBUINT16	format;		/* Format identifier--format = 6 */
   GlyphID	firstGlyph;	/* First glyph index included in the trimmed array. */
-  UINT16	glyphCount;	/* Total number of glyphs (equivalent to the last
+  HBUINT16	glyphCount;	/* Total number of glyphs (equivalent to the last
 				 * glyph minus the value of firstGlyph plus 1). */
   UnsizedArrayOf<T>
 		valueArrayZ;	/* The lookup values (indexed by the glyph index
@@ -415,7 +412,7 @@ struct Lookup
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   LookupFormat0<T>	format0;
   LookupFormat2<T>	format2;
   LookupFormat4<T>	format4;
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index db4a498cf..e7eac2b26 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -37,9 +37,6 @@
 namespace AAT {
 
 using namespace OT;
-using OT::UINT8;
-using OT::UINT16;
-using OT::UINT32;
 
 
 struct RearrangementSubtable
@@ -154,11 +151,11 @@ struct Feature
   }
 
   public:
-  UINT16	featureType;	/* The type of feature. */
-  UINT16	featureSetting;	/* The feature's setting (aka selector). */
-  UINT32	enableFlags;	/* Flags for the settings that this feature
+  HBUINT16	featureType;	/* The type of feature. */
+  HBUINT16	featureSetting;	/* The feature's setting (aka selector). */
+  HBUINT32	enableFlags;	/* Flags for the settings that this feature
 				 * and setting enables. */
-  UINT32	disableFlags;	/* Complement of flags for the settings that this
+  HBUINT32	disableFlags;	/* Complement of flags for the settings that this
 				 * feature and setting disable. */
 
   public:
@@ -166,11 +163,11 @@ struct Feature
 };
 
 
-template <typename UINT>
+template <typename HBUINT>
 struct ChainSubtable
 {
   template <typename> struct Chain;
-  friend struct Chain<UINT>;
+  friend struct Chain<HBUINT>;
 
   inline unsigned int get_size (void) const { return length; }
   inline unsigned int get_type (void) const { return coverage & 0xFF; }
@@ -215,9 +212,9 @@ struct ChainSubtable
   }
 
   protected:
-  UINT		length;		/* Total subtable length, including this header. */
-  UINT		coverage;	/* Coverage flags and subtable type. */
-  UINT32	subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
+  HBUINT		length;		/* Total subtable length, including this header. */
+  HBUINT		coverage;	/* Coverage flags and subtable type. */
+  HBUINT32	subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
   union {
   RearrangementSubtable	rearrangement;
   ContextualSubtable	contextual;
@@ -226,20 +223,20 @@ struct ChainSubtable
   InsertionSubtable	insertion;
   } u;
   public:
-  DEFINE_SIZE_MIN (2 * sizeof (UINT) + 4);
+  DEFINE_SIZE_MIN (2 * sizeof (HBUINT) + 4);
 };
 
-template <typename UINT>
+template <typename HBUINT>
 struct Chain
 {
   inline void apply (hb_apply_context_t *c) const
   {
-    const ChainSubtable<UINT> *subtable = &StructAtOffset<ChainSubtable<UINT> > (featureZ, featureZ[0].static_size * featureCount);
+    const ChainSubtable<HBUINT> *subtable = &StructAtOffset<ChainSubtable<HBUINT> > (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
       subtable->apply (c);
-      subtable = &StructAfter<ChainSubtable<UINT> > (*subtable);
+      subtable = &StructAfter<ChainSubtable<HBUINT> > (*subtable);
     }
   }
 
@@ -256,30 +253,30 @@ struct Chain
     if (!c->check_array (featureZ, featureZ[0].static_size, featureCount))
       return_trace (false);
 
-    const ChainSubtable<UINT> *subtable = &StructAtOffset<ChainSubtable<UINT> > (featureZ, featureZ[0].static_size * featureCount);
+    const ChainSubtable<HBUINT> *subtable = &StructAtOffset<ChainSubtable<HBUINT> > (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
       if (!subtable->sanitize (c))
 	return_trace (false);
-      subtable = &StructAfter<ChainSubtable<UINT> > (*subtable);
+      subtable = &StructAfter<ChainSubtable<HBUINT> > (*subtable);
     }
 
     return_trace (true);
   }
 
   protected:
-  UINT32	defaultFlags;	/* The default specification for subtables. */
-  UINT32	length;		/* Total byte count, including this header. */
-  UINT		featureCount;	/* Number of feature subtable entries. */
-  UINT		subtableCount;	/* The number of subtables in the chain. */
+  HBUINT32	defaultFlags;	/* The default specification for subtables. */
+  HBUINT32	length;		/* Total byte count, including this header. */
+  HBUINT		featureCount;	/* Number of feature subtable entries. */
+  HBUINT		subtableCount;	/* The number of subtables in the chain. */
 
   Feature		featureZ[VAR];	/* Features. */
-  ChainSubtable<UINT>	subtableX[VAR];	/* Subtables. */
+  ChainSubtable<HBUINT>	subtableX[VAR];	/* Subtables. */
   // subtableGlyphCoverageArray if major == 3
 
   public:
-  DEFINE_SIZE_MIN (8 + 2 * sizeof (UINT));
+  DEFINE_SIZE_MIN (8 + 2 * sizeof (HBUINT));
 };
 
 
@@ -287,7 +284,7 @@ struct Chain
  * The 'mort'/'morx' Tables
  */
 
-template <typename UINT>
+template <typename HBUINT>
 struct mortmorx
 {
   static const hb_tag_t mortTag	= HB_AAT_TAG_MORT;
@@ -295,12 +292,12 @@ struct mortmorx
 
   inline void apply (hb_apply_context_t *c) const
   {
-    const Chain<UINT> *chain = chains;
+    const Chain<HBUINT> *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)
     {
       chain->apply (c);
-      chain = &StructAfter<Chain<UINT> > (*chain);
+      chain = &StructAfter<Chain<HBUINT> > (*chain);
     }
   }
 
@@ -308,17 +305,17 @@ struct mortmorx
   {
     TRACE_SANITIZE (this);
     if (!version.sanitize (c) ||
-	version.major >> (sizeof (UINT) == 4) != 1 ||
+	version.major >> (sizeof (HBUINT) == 4) != 1 ||
 	!chainCount.sanitize (c))
       return_trace (false);
 
-    const Chain<UINT> *chain = chains;
+    const Chain<HBUINT> *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)
     {
       if (!chain->sanitize (c, version.major))
 	return_trace (false);
-      chain = &StructAfter<Chain<UINT> > (*chain);
+      chain = &StructAfter<Chain<HBUINT> > (*chain);
     }
 
     return_trace (true);
@@ -327,20 +324,20 @@ struct mortmorx
   protected:
   FixedVersion<>version;	/* Version number of the glyph metamorphosis table.
 				 * 1 for mort, 2 or 3 for morx. */
-  UINT32	chainCount;	/* Number of metamorphosis chains contained in this
+  HBUINT32	chainCount;	/* Number of metamorphosis chains contained in this
 				 * table. */
-  Chain<UINT>	chains[VAR];	/* Chains. */
+  Chain<HBUINT>	chains[VAR];	/* Chains. */
 
   public:
   DEFINE_SIZE_MIN (8);
 };
 
-struct mort : mortmorx<UINT16>
+struct mort : mortmorx<HBUINT16>
 {
   static const hb_tag_t tableTag	= HB_AAT_TAG_MORT;
 };
 
-struct morx : mortmorx<UINT32>
+struct morx : mortmorx<HBUINT32>
 {
   static const hb_tag_t tableTag	= HB_AAT_TAG_MORX;
 };
diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 644e0b40f..1e5676e82 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -64,9 +64,9 @@ typedef struct TableRecord
 
   Tag		tag;		/* 4-byte identifier. */
   CheckSum	checkSum;	/* CheckSum for this table. */
-  UINT32		offset;		/* Offset from beginning of TrueType font
+  HBUINT32		offset;		/* Offset from beginning of TrueType font
 				 * file. */
-  UINT32		length;		/* Length of this table. */
+  HBUINT32		length;		/* Length of this table. */
   public:
   DEFINE_SIZE_STATIC (16);
 } OpenTypeTable;
@@ -154,7 +154,7 @@ struct TTCHeaderVersion1
   Tag		ttcTag;		/* TrueType Collection ID string: 'ttcf' */
   FixedVersion<>version;	/* Version of the TTC Header (1.0),
 				 * 0x00010000u */
-  ArrayOf<LOffsetTo<OffsetTable>, UINT32>
+  ArrayOf<LOffsetTo<OffsetTable>, HBUINT32>
 		table;		/* Array of offsets to the OffsetTable for each font
 				 * from the beginning of the file */
   public:
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index b68568cc6..29bf7ba2f 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -643,22 +643,22 @@ struct IntType
   DEFINE_SIZE_STATIC (Size);
 };
 
-typedef IntType<uint8_t,  1> UINT8;	/* 8-bit unsigned integer. */
-typedef IntType<int8_t,   1> INT8;	/* 8-bit signed integer. */
-typedef IntType<uint16_t, 2> UINT16;	/* 16-bit unsigned integer. */
-typedef IntType<int16_t,  2> INT16;	/* 16-bit signed integer. */
-typedef IntType<uint32_t, 4> UINT32;	/* 32-bit unsigned integer. */
-typedef IntType<int32_t,  4> INT32;	/* 32-bit signed integer. */
+typedef IntType<uint8_t,  1> HBUINT8;	/* 8-bit unsigned integer. */
+typedef IntType<int8_t,   1> HBINT8;	/* 8-bit signed integer. */
+typedef IntType<uint16_t, 2> HBUINT16;	/* 16-bit unsigned integer. */
+typedef IntType<int16_t,  2> HBINT16;	/* 16-bit signed integer. */
+typedef IntType<uint32_t, 4> HBUINT32;	/* 32-bit unsigned integer. */
+typedef IntType<int32_t,  4> HBINT32;	/* 32-bit signed integer. */
 typedef IntType<uint32_t, 3> UINT24;	/* 24-bit unsigned integer. */
 
-/* 16-bit signed integer (INT16) that describes a quantity in FUnits. */
-typedef INT16 FWORD;
+/* 16-bit signed integer (HBINT16) that describes a quantity in FUnits. */
+typedef HBINT16 FWORD;
 
-/* 16-bit unsigned integer (UINT16) that describes a quantity in FUnits. */
-typedef UINT16 UFWORD;
+/* 16-bit unsigned integer (HBUINT16) that describes a quantity in FUnits. */
+typedef HBUINT16 UFWORD;
 
 /* 16-bit signed fixed number with the low 14 bits of fraction (2.14). */
-struct F2DOT14 : INT16
+struct F2DOT14 : HBINT16
 {
   //inline float to_float (void) const { return ???; }
   //inline void set_float (float f) { v.set (f * ???); }
@@ -667,7 +667,7 @@ struct F2DOT14 : INT16
 };
 
 /* 32-bit signed fixed-point number (16.16). */
-struct Fixed: INT32
+struct Fixed: HBINT32
 {
   //inline float to_float (void) const { return ???; }
   //inline void set_float (float f) { v.set (f * ???); }
@@ -685,15 +685,15 @@ struct LONGDATETIME
     return_trace (likely (c->check_struct (this)));
   }
   protected:
-  INT32 major;
-  UINT32 minor;
+  HBINT32 major;
+  HBUINT32 minor;
   public:
   DEFINE_SIZE_STATIC (8);
 };
 
 /* Array of four uint8s (length = 32 bits) used to identify a script, language
  * system, feature, or baseline */
-struct Tag : UINT32
+struct Tag : HBUINT32
 {
   /* What the char* converters return is NOT nul-terminated.  Print using "%.4s" */
   inline operator const char* (void) const { return reinterpret_cast<const char *> (&this->v); }
@@ -704,10 +704,10 @@ struct Tag : UINT32
 DEFINE_NULL_DATA (Tag, "    ");
 
 /* Glyph index number, same as uint16 (length = 16 bits) */
-typedef UINT16 GlyphID;
+typedef HBUINT16 GlyphID;
 
 /* Script/language-system/feature index */
-struct Index : UINT16 {
+struct Index : HBUINT16 {
   static const unsigned int NOT_FOUND_INDEX = 0xFFFFu;
 };
 DEFINE_NULL_DATA (Index, "\xff\xff");
@@ -721,18 +721,18 @@ struct Offset : Type
   DEFINE_SIZE_STATIC (sizeof(Type));
 };
 
-typedef Offset<UINT16> Offset16;
-typedef Offset<UINT32> Offset32;
+typedef Offset<HBUINT16> Offset16;
+typedef Offset<HBUINT32> Offset32;
 
 
 /* CheckSum */
-struct CheckSum : UINT32
+struct CheckSum : HBUINT32
 {
   /* This is reference implementation from the spec. */
-  static inline uint32_t CalcTableChecksum (const UINT32 *Table, uint32_t Length)
+  static inline uint32_t CalcTableChecksum (const HBUINT32 *Table, uint32_t Length)
   {
     uint32_t Sum = 0L;
-    const UINT32 *EndPtr = Table+((Length+3) & ~3) / UINT32::static_size;
+    const HBUINT32 *EndPtr = Table+((Length+3) & ~3) / HBUINT32::static_size;
 
     while (Table < EndPtr)
       Sum += *Table++;
@@ -741,7 +741,7 @@ struct CheckSum : UINT32
 
   /* Note: data should be 4byte aligned and have 4byte padding at the end. */
   inline void set_for_data (const void *data, unsigned int length)
-  { set (CalcTableChecksum ((const UINT32 *) data, length)); }
+  { set (CalcTableChecksum ((const HBUINT32 *) data, length)); }
 
   public:
   DEFINE_SIZE_STATIC (4);
@@ -752,7 +752,7 @@ struct CheckSum : UINT32
  * Version Numbers
  */
 
-template <typename FixedType=UINT16>
+template <typename FixedType=HBUINT16>
 struct FixedVersion
 {
   inline uint32_t to_int (void) const { return (major << (sizeof(FixedType) * 8)) + minor; }
@@ -776,7 +776,7 @@ struct FixedVersion
  * Use: (base+offset)
  */
 
-template <typename Type, typename OffsetType=UINT16>
+template <typename Type, typename OffsetType=HBUINT16>
 struct OffsetTo : Offset<OffsetType>
 {
   inline const Type& operator () (const void *base) const
@@ -821,7 +821,7 @@ struct OffsetTo : Offset<OffsetType>
   }
   DEFINE_SIZE_STATIC (sizeof(OffsetType));
 };
-template <typename Type> struct LOffsetTo : OffsetTo<Type, UINT32> {};
+template <typename Type> struct LOffsetTo : OffsetTo<Type, HBUINT32> {};
 template <typename Base, typename OffsetType, typename Type>
 static inline const Type& operator + (const Base &base, const OffsetTo<Type, OffsetType> &offset) { return offset (base); }
 template <typename Base, typename OffsetType, typename Type>
@@ -833,7 +833,7 @@ static inline Type& operator + (Base &base, OffsetTo<Type, OffsetType> &offset)
  */
 
 /* An array with a number of elements. */
-template <typename Type, typename LenType=UINT16>
+template <typename Type, typename LenType=HBUINT16>
 struct ArrayOf
 {
   const Type *sub_array (unsigned int start_offset, unsigned int *pcount /* IN/OUT */) const
@@ -943,10 +943,10 @@ struct ArrayOf
   public:
   DEFINE_SIZE_ARRAY (sizeof (LenType), array);
 };
-template <typename Type> struct LArrayOf : ArrayOf<Type, UINT32> {};
+template <typename Type> struct LArrayOf : ArrayOf<Type, HBUINT32> {};
 
 /* Array of Offset's */
-template <typename Type, typename OffsetType=UINT16>
+template <typename Type, typename OffsetType=HBUINT16>
 struct OffsetArrayOf : ArrayOf<OffsetTo<Type, OffsetType> > {};
 
 /* Array of offsets relative to the beginning of the array itself. */
@@ -974,7 +974,7 @@ struct OffsetListOf : OffsetArrayOf<Type>
 
 
 /* An array starting at second element. */
-template <typename Type, typename LenType=UINT16>
+template <typename Type, typename LenType=HBUINT16>
 struct HeadlessArrayOf
 {
   inline const Type& operator [] (unsigned int i) const
@@ -1036,7 +1036,7 @@ struct HeadlessArrayOf
 /*
  * An array with sorted elements.  Supports binary searching.
  */
-template <typename Type, typename LenType=UINT16>
+template <typename Type, typename LenType=HBUINT16>
 struct SortedArrayOf : ArrayOf<Type, LenType>
 {
   template <typename SearchType>
@@ -1075,10 +1075,10 @@ struct BinSearchHeader
   }
 
   protected:
-  UINT16	len;
-  UINT16	searchRangeZ;
-  UINT16	entrySelectorZ;
-  UINT16	rangeShiftZ;
+  HBUINT16	len;
+  HBUINT16	searchRangeZ;
+  HBUINT16	entrySelectorZ;
+  HBUINT16	rangeShiftZ;
 
   public:
   DEFINE_SIZE_STATIC (8);
diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index dad34e27d..6c2b9a88e 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -47,20 +47,20 @@ struct SmallGlyphMetrics
     extents->height = -height;
   }
 
-  UINT8 height;
-  UINT8 width;
-  INT8 bearingX;
-  INT8 bearingY;
-  UINT8 advance;
+  HBUINT8 height;
+  HBUINT8 width;
+  HBINT8 bearingX;
+  HBINT8 bearingY;
+  HBUINT8 advance;
 
   DEFINE_SIZE_STATIC(5);
 };
 
 struct BigGlyphMetrics : SmallGlyphMetrics
 {
-  INT8 vertBearingX;
-  INT8 vertBearingY;
-  UINT8 vertAdvance;
+  HBINT8 vertBearingX;
+  HBINT8 vertBearingY;
+  HBUINT8 vertAdvance;
 
   DEFINE_SIZE_STATIC(8);
 };
@@ -73,18 +73,18 @@ struct SBitLineMetrics
     return_trace (c->check_struct (this));
   }
 
-  INT8 ascender;
-  INT8 decender;
-  UINT8 widthMax;
-  INT8 caretSlopeNumerator;
-  INT8 caretSlopeDenominator;
-  INT8 caretOffset;
-  INT8 minOriginSB;
-  INT8 minAdvanceSB;
-  INT8 maxBeforeBL;
-  INT8 minAfterBL;
-  INT8 padding1;
-  INT8 padding2;
+  HBINT8 ascender;
+  HBINT8 decender;
+  HBUINT8 widthMax;
+  HBINT8 caretSlopeNumerator;
+  HBINT8 caretSlopeDenominator;
+  HBINT8 caretOffset;
+  HBINT8 minOriginSB;
+  HBINT8 minAdvanceSB;
+  HBINT8 maxBeforeBL;
+  HBINT8 minAfterBL;
+  HBINT8 padding1;
+  HBINT8 padding2;
 
   DEFINE_SIZE_STATIC(12);
 };
@@ -102,9 +102,9 @@ struct IndexSubtableHeader
     return_trace (c->check_struct (this));
   }
 
-  UINT16 indexFormat;
-  UINT16 imageFormat;
-  UINT32 imageDataOffset;
+  HBUINT16 indexFormat;
+  HBUINT16 imageFormat;
+  HBUINT32 imageDataOffset;
 
   DEFINE_SIZE_STATIC(8);
 };
@@ -137,8 +137,8 @@ struct IndexSubtableFormat1Or3
   DEFINE_SIZE_ARRAY(8, offsetArrayZ);
 };
 
-struct IndexSubtableFormat1 : IndexSubtableFormat1Or3<UINT32> {};
-struct IndexSubtableFormat3 : IndexSubtableFormat1Or3<UINT16> {};
+struct IndexSubtableFormat1 : IndexSubtableFormat1Or3<HBUINT32> {};
+struct IndexSubtableFormat3 : IndexSubtableFormat1Or3<HBUINT16> {};
 
 struct IndexSubtable
 {
@@ -214,8 +214,8 @@ struct IndexSubtableRecord
 						   offset, length, format);
   }
 
-  UINT16 firstGlyphIndex;
-  UINT16 lastGlyphIndex;
+  HBUINT16 firstGlyphIndex;
+  HBUINT16 lastGlyphIndex;
   LOffsetTo<IndexSubtable> offsetToSubtable;
 
   DEFINE_SIZE_STATIC(8);
@@ -276,17 +276,17 @@ struct BitmapSizeTable
 
   protected:
   LOffsetTo<IndexSubtableArray> indexSubtableArrayOffset;
-  UINT32 indexTablesSize;
-  UINT32 numberOfIndexSubtables;
-  UINT32 colorRef;
+  HBUINT32 indexTablesSize;
+  HBUINT32 numberOfIndexSubtables;
+  HBUINT32 colorRef;
   SBitLineMetrics horizontal;
   SBitLineMetrics vertical;
-  UINT16 startGlyphIndex;
-  UINT16 endGlyphIndex;
-  UINT8 ppemX;
-  UINT8 ppemY;
-  UINT8 bitDepth;
-  INT8 flags;
+  HBUINT16 startGlyphIndex;
+  HBUINT16 endGlyphIndex;
+  HBUINT8 ppemX;
+  HBUINT8 ppemY;
+  HBUINT8 bitDepth;
+  HBINT8 flags;
 
   public:
   DEFINE_SIZE_STATIC(48);
@@ -300,8 +300,8 @@ struct BitmapSizeTable
 struct GlyphBitmapDataFormat17
 {
   SmallGlyphMetrics glyphMetrics;
-  UINT32 dataLen;
-  UINT8 dataZ[VAR];
+  HBUINT32 dataLen;
+  HBUINT8 dataZ[VAR];
 
   DEFINE_SIZE_ARRAY(9, dataZ);
 };
@@ -460,7 +460,7 @@ struct CBDT
 
   protected:
   FixedVersion<>version;
-  UINT8 dataZ[VAR];
+  HBUINT8 dataZ[VAR];
 
   public:
   DEFINE_SIZE_ARRAY(4, dataZ);
diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index c61801cbb..b9d6e248a 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -58,10 +58,10 @@ struct CmapSubtableFormat0
   }
 
   protected:
-  UINT16	format;		/* Format number is set to 0. */
-  UINT16	lengthZ;	/* Byte length of this subtable. */
-  UINT16	languageZ;	/* Ignore. */
-  UINT8		glyphIdArray[256];/* An array that maps character
+  HBUINT16	format;		/* Format number is set to 0. */
+  HBUINT16	lengthZ;	/* Byte length of this subtable. */
+  HBUINT16	languageZ;	/* Ignore. */
+  HBUINT8		glyphIdArray[256];/* An array that maps character
 				 * code to glyph index values. */
   public:
   DEFINE_SIZE_STATIC (6 + 256);
@@ -88,8 +88,8 @@ struct CmapSubtableFormat4
 
       /* Custom two-array bsearch. */
       int min = 0, max = (int) thiz->segCount - 1;
-      const UINT16 *startCount = thiz->startCount;
-      const UINT16 *endCount = thiz->endCount;
+      const HBUINT16 *startCount = thiz->startCount;
+      const HBUINT16 *endCount = thiz->endCount;
       unsigned int i;
       while (min <= max)
       {
@@ -127,11 +127,11 @@ struct CmapSubtableFormat4
       return true;
     }
 
-    const UINT16 *endCount;
-    const UINT16 *startCount;
-    const UINT16 *idDelta;
-    const UINT16 *idRangeOffset;
-    const UINT16 *glyphIdArray;
+    const HBUINT16 *endCount;
+    const HBUINT16 *startCount;
+    const HBUINT16 *idDelta;
+    const HBUINT16 *idRangeOffset;
+    const HBUINT16 *glyphIdArray;
     unsigned int segCount;
     unsigned int glyphIdArrayLength;
   };
@@ -165,24 +165,24 @@ struct CmapSubtableFormat4
   }
 
   protected:
-  UINT16	format;		/* Format number is set to 4. */
-  UINT16	length;		/* This is the length in bytes of the
+  HBUINT16	format;		/* Format number is set to 4. */
+  HBUINT16	length;		/* This is the length in bytes of the
 				 * subtable. */
-  UINT16	languageZ;	/* Ignore. */
-  UINT16	segCountX2;	/* 2 x segCount. */
-  UINT16	searchRangeZ;	/* 2 * (2**floor(log2(segCount))) */
-  UINT16	entrySelectorZ;	/* log2(searchRange/2) */
-  UINT16	rangeShiftZ;	/* 2 x segCount - searchRange */
+  HBUINT16	languageZ;	/* Ignore. */
+  HBUINT16	segCountX2;	/* 2 x segCount. */
+  HBUINT16	searchRangeZ;	/* 2 * (2**floor(log2(segCount))) */
+  HBUINT16	entrySelectorZ;	/* log2(searchRange/2) */
+  HBUINT16	rangeShiftZ;	/* 2 x segCount - searchRange */
 
-  UINT16	values[VAR];
+  HBUINT16	values[VAR];
 #if 0
-  UINT16	endCount[segCount];	/* End characterCode for each segment,
+  HBUINT16	endCount[segCount];	/* End characterCode for each segment,
 					 * last=0xFFFFu. */
-  UINT16	reservedPad;		/* Set to 0. */
-  UINT16	startCount[segCount];	/* Start character code for each segment. */
-  INT16		idDelta[segCount];	/* Delta for all character codes in segment. */
-  UINT16	idRangeOffset[segCount];/* Offsets into glyphIdArray or 0 */
-  UINT16	glyphIdArray[VAR];	/* Glyph index array (arbitrary length) */
+  HBUINT16	reservedPad;		/* Set to 0. */
+  HBUINT16	startCount[segCount];	/* Start character code for each segment. */
+  HBINT16		idDelta[segCount];	/* Delta for all character codes in segment. */
+  HBUINT16	idRangeOffset[segCount];/* Offsets into glyphIdArray or 0 */
+  HBUINT16	glyphIdArray[VAR];	/* Glyph index array (arbitrary length) */
 #endif
 
   public:
@@ -208,9 +208,9 @@ struct CmapSubtableLongGroup
   }
 
   private:
-  UINT32		startCharCode;	/* First character code in this group. */
-  UINT32		endCharCode;	/* Last character code in this group. */
-  UINT32		glyphID;	/* Glyph index; interpretation depends on
+  HBUINT32		startCharCode;	/* First character code in this group. */
+  HBUINT32		endCharCode;	/* Last character code in this group. */
+  HBUINT32		glyphID;	/* Glyph index; interpretation depends on
 				 * subtable format. */
   public:
   DEFINE_SIZE_STATIC (12);
@@ -247,8 +247,8 @@ struct CmapSubtableTrimmed
   DEFINE_SIZE_ARRAY (5 * sizeof (UINT), glyphIdArray);
 };
 
-struct CmapSubtableFormat6  : CmapSubtableTrimmed<UINT16> {};
-struct CmapSubtableFormat10 : CmapSubtableTrimmed<UINT32 > {};
+struct CmapSubtableFormat6  : CmapSubtableTrimmed<HBUINT16> {};
+struct CmapSubtableFormat10 : CmapSubtableTrimmed<HBUINT32 > {};
 
 template <typename T>
 struct CmapSubtableLongSegmented
@@ -269,11 +269,11 @@ struct CmapSubtableLongSegmented
   }
 
   protected:
-  UINT16	format;		/* Subtable format; set to 12. */
-  UINT16	reservedZ;	/* Reserved; set to 0. */
-  UINT32		lengthZ;	/* Byte length of this subtable. */
-  UINT32		languageZ;	/* Ignore. */
-  SortedArrayOf<CmapSubtableLongGroup, UINT32>
+  HBUINT16	format;		/* Subtable format; set to 12. */
+  HBUINT16	reservedZ;	/* Reserved; set to 0. */
+  HBUINT32		lengthZ;	/* Byte length of this subtable. */
+  HBUINT32		languageZ;	/* Ignore. */
+  SortedArrayOf<CmapSubtableLongGroup, HBUINT32>
 		groups;		/* Groupings. */
   public:
   DEFINE_SIZE_ARRAY (16, groups);
@@ -316,13 +316,13 @@ struct UnicodeValueRange
   }
 
   UINT24	startUnicodeValue;	/* First value in this range. */
-  UINT8		additionalCount;	/* Number of additional values in this
+  HBUINT8		additionalCount;	/* Number of additional values in this
 					 * range. */
   public:
   DEFINE_SIZE_STATIC (4);
 };
 
-typedef SortedArrayOf<UnicodeValueRange, UINT32> DefaultUVS;
+typedef SortedArrayOf<UnicodeValueRange, HBUINT32> DefaultUVS;
 
 struct UVSMapping
 {
@@ -343,7 +343,7 @@ struct UVSMapping
   DEFINE_SIZE_STATIC (5);
 };
 
-typedef SortedArrayOf<UVSMapping, UINT32> NonDefaultUVS;
+typedef SortedArrayOf<UVSMapping, HBUINT32> NonDefaultUVS;
 
 struct VariationSelectorRecord
 {
@@ -405,9 +405,9 @@ struct CmapSubtableFormat14
   }
 
   protected:
-  UINT16	format;		/* Format number is set to 14. */
-  UINT32		lengthZ;	/* Byte length of this subtable. */
-  SortedArrayOf<VariationSelectorRecord, UINT32>
+  HBUINT16	format;		/* Format number is set to 14. */
+  HBUINT32		lengthZ;	/* Byte length of this subtable. */
+  SortedArrayOf<VariationSelectorRecord, HBUINT32>
 		record;		/* Variation selector records; sorted
 				 * in increasing order of `varSelector'. */
   public:
@@ -451,7 +451,7 @@ struct CmapSubtable
 
   public:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   CmapSubtableFormat0	format0;
   CmapSubtableFormat4	format4;
   CmapSubtableFormat6	format6;
@@ -484,8 +484,8 @@ struct EncodingRecord
 		  subtable.sanitize (c, base));
   }
 
-  UINT16	platformID;	/* Platform ID. */
-  UINT16	encodingID;	/* Platform-specific encoding ID. */
+  HBUINT16	platformID;	/* Platform ID. */
+  HBUINT16	encodingID;	/* Platform-specific encoding ID. */
   LOffsetTo<CmapSubtable>
 		subtable;	/* Byte offset from beginning of table to the subtable for this encoding. */
   public:
@@ -654,7 +654,7 @@ struct cmap
   }
 
   protected:
-  UINT16		version;	/* Table version number (0). */
+  HBUINT16		version;	/* Table version number (0). */
   SortedArrayOf<EncodingRecord>
 			encodingRecord;	/* Encoding tables. */
   public:
diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index c5a54e3aa..67143c639 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -54,7 +54,7 @@ struct loca
   }
 
   protected:
-  UINT8		dataX[VAR];		/* Location data. */
+  HBUINT8		dataX[VAR];		/* Location data. */
   DEFINE_SIZE_ARRAY (0, dataX);
 };
 
@@ -80,7 +80,7 @@ struct glyf
 
   struct GlyphHeader
   {
-    INT16		numberOfContours;	/* If the number of contours is
+    HBINT16		numberOfContours;	/* If the number of contours is
 					   * greater than or equal to zero,
 					   * this is a simple glyph; if negative,
 					   * this is a composite glyph. */
@@ -131,13 +131,13 @@ struct glyf
       unsigned int start_offset, end_offset;
       if (short_offset)
       {
-        const UINT16 *offsets = (const UINT16 *) loca_table->dataX;
+        const HBUINT16 *offsets = (const HBUINT16 *) loca_table->dataX;
 	start_offset = 2 * offsets[glyph];
 	end_offset   = 2 * offsets[glyph + 1];
       }
       else
       {
-        const UINT32 *offsets = (const UINT32 *) loca_table->dataX;
+        const HBUINT32 *offsets = (const HBUINT32 *) loca_table->dataX;
 	start_offset = offsets[glyph];
 	end_offset   = offsets[glyph + 1];
       }
@@ -169,7 +169,7 @@ struct glyf
   };
 
   protected:
-  UINT8		dataX[VAR];		/* Glyphs data. */
+  HBUINT8		dataX[VAR];		/* Glyphs data. */
 
   DEFINE_SIZE_ARRAY (0, dataX);
 };
diff --git a/src/hb-ot-head-table.hh b/src/hb-ot-head-table.hh
index dd4349ef8..985109856 100644
--- a/src/hb-ot-head-table.hh
+++ b/src/hb-ot-head-table.hh
@@ -64,11 +64,11 @@ struct head
   FixedVersion<>version;		/* Version of the head table--currently
 					 * 0x00010000u for version 1.0. */
   FixedVersion<>fontRevision;		/* Set by font manufacturer. */
-  UINT32		checkSumAdjustment;	/* To compute: set it to 0, sum the
-					 * entire font as UINT32, then store
+  HBUINT32		checkSumAdjustment;	/* To compute: set it to 0, sum the
+					 * entire font as HBUINT32, then store
 					 * 0xB1B0AFBAu - sum. */
-  UINT32		magicNumber;		/* Set to 0x5F0F3CF5u. */
-  UINT16	flags;			/* Bit 0: Baseline for font at y=0;
+  HBUINT32		magicNumber;		/* Set to 0x5F0F3CF5u. */
+  HBUINT16	flags;			/* Bit 0: Baseline for font at y=0;
 					 * Bit 1: Left sidebearing point at x=0;
 					 * Bit 2: Instructions may depend on point size;
 					 * Bit 3: Force ppem to integer values for all
@@ -114,18 +114,18 @@ struct head
 					 * encoded in the cmap subtables represent proper
 					 * support for those code points.
 					 * Bit 15: Reserved, set to 0. */
-  UINT16	unitsPerEm;		/* Valid range is from 16 to 16384. This value
+  HBUINT16	unitsPerEm;		/* Valid range is from 16 to 16384. This value
 					 * should be a power of 2 for fonts that have
 					 * TrueType outlines. */
   LONGDATETIME	created;		/* Number of seconds since 12:00 midnight,
 					   January 1, 1904. 64-bit integer */
   LONGDATETIME	modified;		/* Number of seconds since 12:00 midnight,
 					   January 1, 1904. 64-bit integer */
-  INT16		xMin;			/* For all glyph bounding boxes. */
-  INT16		yMin;			/* For all glyph bounding boxes. */
-  INT16		xMax;			/* For all glyph bounding boxes. */
-  INT16		yMax;			/* For all glyph bounding boxes. */
-  UINT16	macStyle;		/* Bit 0: Bold (if set to 1);
+  HBINT16		xMin;			/* For all glyph bounding boxes. */
+  HBINT16		yMin;			/* For all glyph bounding boxes. */
+  HBINT16		xMax;			/* For all glyph bounding boxes. */
+  HBINT16		yMax;			/* For all glyph bounding boxes. */
+  HBUINT16	macStyle;		/* Bit 0: Bold (if set to 1);
 					 * Bit 1: Italic (if set to 1)
 					 * Bit 2: Underline (if set to 1)
 					 * Bit 3: Outline (if set to 1)
@@ -133,16 +133,16 @@ struct head
 					 * Bit 5: Condensed (if set to 1)
 					 * Bit 6: Extended (if set to 1)
 					 * Bits 7-15: Reserved (set to 0). */
-  UINT16	lowestRecPPEM;		/* Smallest readable size in pixels. */
-  INT16		fontDirectionHint;	/* Deprecated (Set to 2).
+  HBUINT16	lowestRecPPEM;		/* Smallest readable size in pixels. */
+  HBINT16		fontDirectionHint;	/* Deprecated (Set to 2).
 					 * 0: Fully mixed directional glyphs;
 					 * 1: Only strongly left to right;
 					 * 2: Like 1 but also contains neutrals;
 					 * -1: Only strongly right to left;
 					 * -2: Like -1 but also contains neutrals. */
   public:
-  INT16		indexToLocFormat;	/* 0 for short offsets, 1 for long. */
-  INT16		glyphDataFormat;	/* 0 for current format. */
+  HBINT16		indexToLocFormat;	/* 0 for short offsets, 1 for long. */
+  HBINT16		glyphDataFormat;	/* 0 for current format. */
 
   DEFINE_SIZE_STATIC (54);
 };
diff --git a/src/hb-ot-hhea-table.hh b/src/hb-ot-hhea-table.hh
index dca014148..54eb5eb77 100644
--- a/src/hb-ot-hhea-table.hh
+++ b/src/hb-ot-hhea-table.hh
@@ -64,21 +64,21 @@ struct _hea
 					 * (xMax - xMin)) for horizontal. */
   FWORD		maxExtent;		/* horizontal: Max(lsb + (xMax - xMin)),
 					 * vertical: minLeadingBearing+(yMax-yMin). */
-  INT16		caretSlopeRise;		/* Used to calculate the slope of the
+  HBINT16		caretSlopeRise;		/* Used to calculate the slope of the
 					 * cursor (rise/run); 1 for vertical caret,
 					 * 0 for horizontal.*/
-  INT16		caretSlopeRun;		/* 0 for vertical caret, 1 for horizontal. */
-  INT16		caretOffset;		/* The amount by which a slanted
+  HBINT16		caretSlopeRun;		/* 0 for vertical caret, 1 for horizontal. */
+  HBINT16		caretOffset;		/* The amount by which a slanted
 					 * highlight on a glyph needs
 					 * to be shifted to produce the
 					 * best appearance. Set to 0 for
 					 * non-slanted fonts. */
-  INT16		reserved1;		/* Set to 0. */
-  INT16		reserved2;		/* Set to 0. */
-  INT16		reserved3;		/* Set to 0. */
-  INT16		reserved4;		/* Set to 0. */
-  INT16		metricDataFormat;	/* 0 for current format. */
-  UINT16	numberOfLongMetrics;	/* Number of LongMetric entries in metric
+  HBINT16		reserved1;		/* Set to 0. */
+  HBINT16		reserved2;		/* Set to 0. */
+  HBINT16		reserved3;		/* Set to 0. */
+  HBINT16		reserved4;		/* Set to 0. */
+  HBINT16		metricDataFormat;	/* 0 for current format. */
+  HBUINT16	numberOfLongMetrics;	/* Number of LongMetric entries in metric
 					 * table. */
   public:
   DEFINE_SIZE_STATIC (36);
diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index c9aaf03cd..86c138623 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -104,8 +104,8 @@ struct KernClassTable
   }
 
   protected:
-  UINT16		firstGlyph;	/* First glyph in class range. */
-  ArrayOf<UINT16>	classes;	/* Glyph classes. */
+  HBUINT16		firstGlyph;	/* First glyph in class range. */
+  ArrayOf<HBUINT16>	classes;	/* Glyph classes. */
   public:
   DEFINE_SIZE_ARRAY (4, classes);
 };
@@ -136,7 +136,7 @@ struct KernSubTableFormat2
   }
 
   protected:
-  UINT16	rowWidth;	/* The width, in bytes, of a row in the table. */
+  HBUINT16	rowWidth;	/* The width, in bytes, of a row in the table. */
   OffsetTo<KernClassTable>
 		leftClassTable;	/* Offset from beginning of this subtable to
 				 * left-hand class table. */
@@ -275,19 +275,19 @@ struct KernOT : KernTable<KernOT>
     };
 
     protected:
-    UINT16	versionZ;	/* Unused. */
-    UINT16	length;		/* Length of the subtable (including this header). */
-    UINT8	format;		/* Subtable format. */
-    UINT8	coverage;	/* Coverage bits. */
+    HBUINT16	versionZ;	/* Unused. */
+    HBUINT16	length;		/* Length of the subtable (including this header). */
+    HBUINT8	format;		/* Subtable format. */
+    HBUINT8	coverage;	/* Coverage bits. */
     KernSubTable subtable;	/* Subtable data. */
     public:
     DEFINE_SIZE_MIN (6);
   };
 
   protected:
-  UINT16	version;	/* Version--0x0000u */
-  UINT16	nTables;	/* Number of subtables in the kerning table. */
-  UINT8		data[VAR];
+  HBUINT16	version;	/* Version--0x0000u */
+  HBUINT16	nTables;	/* Number of subtables in the kerning table. */
+  HBUINT8		data[VAR];
   public:
   DEFINE_SIZE_ARRAY (4, data);
 };
@@ -314,10 +314,10 @@ struct KernAAT : KernTable<KernAAT>
     };
 
     protected:
-    UINT32	length;		/* Length of the subtable (including this header). */
-    UINT8	coverage;	/* Coverage bits. */
-    UINT8	format;		/* Subtable format. */
-    UINT16	tupleIndex;	/* The tuple index (used for variations fonts).
+    HBUINT32	length;		/* Length of the subtable (including this header). */
+    HBUINT8	coverage;	/* Coverage bits. */
+    HBUINT8	format;		/* Subtable format. */
+    HBUINT16	tupleIndex;	/* The tuple index (used for variations fonts).
 				 * This value specifies which tuple this subtable covers. */
     KernSubTable subtable;	/* Subtable data. */
     public:
@@ -325,9 +325,9 @@ struct KernAAT : KernTable<KernAAT>
   };
 
   protected:
-  UINT32		version;	/* Version--0x00010000u */
-  UINT32		nTables;	/* Number of subtables in the kerning table. */
-  UINT8		data[VAR];
+  HBUINT32		version;	/* Version--0x00010000u */
+  HBUINT32		nTables;	/* Number of subtables in the kerning table. */
+  HBUINT8		data[VAR];
   public:
   DEFINE_SIZE_ARRAY (8, data);
 };
@@ -380,7 +380,7 @@ struct kern
 
   protected:
   union {
-  UINT16		major;
+  HBUINT16		major;
   KernOT		ot;
   KernAAT		aat;
   } u;
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 22e5b872d..31c436a09 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -161,7 +161,7 @@ struct RangeRecord
 
   GlyphID	start;		/* First GlyphID in the range */
   GlyphID	end;		/* Last GlyphID in the range */
-  UINT16	value;		/* Value */
+  HBUINT16	value;		/* Value */
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -175,7 +175,7 @@ struct IndexArray : ArrayOf<Index>
 				   unsigned int *_indexes /* OUT */) const
   {
     if (_count) {
-      const UINT16 *arr = this->sub_array (start_offset, _count);
+      const HBUINT16 *arr = this->sub_array (start_offset, _count);
       unsigned int count = *_count;
       for (unsigned int i = 0; i < count; i++)
 	_indexes[i] = arr[i];
@@ -218,7 +218,7 @@ struct LangSys
 
   Offset16	lookupOrderZ;	/* = Null (reserved for an offset to a
 				 * reordering table) */
-  UINT16	reqFeatureIndex;/* Index of a feature required for this
+  HBUINT16	reqFeatureIndex;/* Index of a feature required for this
 				 * language system--if no required features
 				 * = 0xFFFFu */
   IndexArray	featureIndex;	/* Array of indices into the FeatureList */
@@ -343,12 +343,12 @@ struct FeatureParamsSize
       return_trace (true);
   }
 
-  UINT16	designSize;	/* Represents the design size in 720/inch
+  HBUINT16	designSize;	/* Represents the design size in 720/inch
 				 * units (decipoints).  The design size entry
 				 * must be non-zero.  When there is a design
 				 * size but no recommended size range, the
 				 * rest of the array will consist of zeros. */
-  UINT16	subfamilyID;	/* Has no independent meaning, but serves
+  HBUINT16	subfamilyID;	/* Has no independent meaning, but serves
 				 * as an identifier that associates fonts
 				 * in a subfamily. All fonts which share a
 				 * Preferred or Font Family name and which
@@ -358,7 +358,7 @@ struct FeatureParamsSize
 				 * same subfamily value. If this value is
 				 * zero, the remaining fields in the array
 				 * will be ignored. */
-  UINT16	subfamilyNameID;/* If the preceding value is non-zero, this
+  HBUINT16	subfamilyNameID;/* If the preceding value is non-zero, this
 				 * value must be set in the range 256 - 32767
 				 * (inclusive). It records the value of a
 				 * field in the name table, which must
@@ -372,10 +372,10 @@ struct FeatureParamsSize
 				 * subfamily in a menu.  Applications will
 				 * choose the appropriate version based on
 				 * their selection criteria. */
-  UINT16	rangeStart;	/* Large end of the recommended usage range
+  HBUINT16	rangeStart;	/* Large end of the recommended usage range
 				 * (inclusive), stored in 720/inch units
 				 * (decipoints). */
-  UINT16	rangeEnd;	/* Small end of the recommended usage range
+  HBUINT16	rangeEnd;	/* Small end of the recommended usage range
 				   (exclusive), stored in 720/inch units
 				 * (decipoints). */
   public:
@@ -393,12 +393,12 @@ struct FeatureParamsStylisticSet
     return_trace (c->check_struct (this));
   }
 
-  UINT16	version;	/* (set to 0): This corresponds to a “minor”
+  HBUINT16	version;	/* (set to 0): This corresponds to a “minor”
 				 * version number. Additional data may be
 				 * added to the end of this Feature Parameters
 				 * table in the future. */
 
-  UINT16	uiNameID;	/* The 'name' table name ID that specifies a
+  HBUINT16	uiNameID;	/* The 'name' table name ID that specifies a
 				 * string (or strings, for multiple languages)
 				 * for a user-interface label for this
 				 * feature.  The values of uiLabelNameId and
@@ -426,25 +426,25 @@ struct FeatureParamsCharacterVariants
 		  characters.sanitize (c));
   }
 
-  UINT16	format;			/* Format number is set to 0. */
-  UINT16	featUILableNameID;	/* The ‘name’ table name ID that
+  HBUINT16	format;			/* Format number is set to 0. */
+  HBUINT16	featUILableNameID;	/* The ‘name’ table name ID that
 					 * specifies a string (or strings,
 					 * for multiple languages) for a
 					 * user-interface label for this
 					 * feature. (May be nullptr.) */
-  UINT16	featUITooltipTextNameID;/* The ‘name’ table name ID that
+  HBUINT16	featUITooltipTextNameID;/* The ‘name’ table name ID that
 					 * specifies a string (or strings,
 					 * for multiple languages) that an
 					 * application can use for tooltip
 					 * text for this feature. (May be
 					 * nullptr.) */
-  UINT16	sampleTextNameID;	/* The ‘name’ table name ID that
+  HBUINT16	sampleTextNameID;	/* The ‘name’ table name ID that
 					 * specifies sample text that
 					 * illustrates the effect of this
 					 * feature. (May be nullptr.) */
-  UINT16	numNamedParameters;	/* Number of named parameters. (May
+  HBUINT16	numNamedParameters;	/* Number of named parameters. (May
 					 * be zero.) */
-  UINT16	firstParamUILabelNameID;/* The first ‘name’ table name ID
+  HBUINT16	firstParamUILabelNameID;/* The first ‘name’ table name ID
 					 * used to specify strings for
 					 * user-interface labels for the
 					 * feature parameters. (Must be zero
@@ -562,7 +562,7 @@ struct Feature
 typedef RecordListOf<Feature> FeatureList;
 
 
-struct LookupFlag : UINT16
+struct LookupFlag : HBUINT16
 {
   enum Flags {
     RightToLeft		= 0x0001u,
@@ -608,7 +608,7 @@ struct Lookup
     unsigned int flag = lookupFlag;
     if (unlikely (flag & LookupFlag::UseMarkFilteringSet))
     {
-      const UINT16 &markFilteringSet = StructAfter<UINT16> (subTable);
+      const HBUINT16 &markFilteringSet = StructAfter<HBUINT16> (subTable);
       flag += (markFilteringSet << 16);
     }
     return flag;
@@ -640,7 +640,7 @@ struct Lookup
     if (unlikely (!subTable.serialize (c, num_subtables))) return_trace (false);
     if (lookupFlag & LookupFlag::UseMarkFilteringSet)
     {
-      UINT16 &markFilteringSet = StructAfter<UINT16> (subTable);
+      HBUINT16 &markFilteringSet = StructAfter<HBUINT16> (subTable);
       markFilteringSet.set (lookup_props >> 16);
     }
     return_trace (true);
@@ -653,18 +653,18 @@ struct Lookup
     if (!(c->check_struct (this) && subTable.sanitize (c))) return_trace (false);
     if (lookupFlag & LookupFlag::UseMarkFilteringSet)
     {
-      const UINT16 &markFilteringSet = StructAfter<UINT16> (subTable);
+      const HBUINT16 &markFilteringSet = StructAfter<HBUINT16> (subTable);
       if (!markFilteringSet.sanitize (c)) return_trace (false);
     }
     return_trace (true);
   }
 
   private:
-  UINT16	lookupType;		/* Different enumerations for GSUB and GPOS */
-  UINT16	lookupFlag;		/* Lookup qualifiers */
+  HBUINT16	lookupType;		/* Different enumerations for GSUB and GPOS */
+  HBUINT16	lookupFlag;		/* Lookup qualifiers */
   ArrayOf<Offset16>
 		subTable;		/* Array of SubTables */
-  UINT16	markFilteringSetX[VAR];	/* Index (base 0) into GDEF mark glyph sets
+  HBUINT16	markFilteringSetX[VAR];	/* Index (base 0) into GDEF mark glyph sets
 					 * structure. This field is only present if bit
 					 * UseMarkFilteringSet of lookup flags is set. */
   public:
@@ -735,7 +735,7 @@ struct CoverageFormat1
   private:
 
   protected:
-  UINT16	coverageFormat;	/* Format identifier--format = 1 */
+  HBUINT16	coverageFormat;	/* Format identifier--format = 1 */
   SortedArrayOf<GlyphID>
 		glyphArray;	/* Array of GlyphIDs--in numerical order */
   public:
@@ -860,7 +860,7 @@ struct CoverageFormat2
   private:
 
   protected:
-  UINT16	coverageFormat;	/* Format identifier--format = 2 */
+  HBUINT16	coverageFormat;	/* Format identifier--format = 2 */
   SortedArrayOf<RangeRecord>
 		rangeRecord;	/* Array of glyph ranges--ordered by
 				 * Start GlyphID. rangeCount entries
@@ -987,7 +987,7 @@ struct Coverage
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   CoverageFormat1	format1;
   CoverageFormat2	format2;
   } u;
@@ -1074,9 +1074,9 @@ struct ClassDefFormat1
   }
 
   protected:
-  UINT16	classFormat;		/* Format identifier--format = 1 */
+  HBUINT16	classFormat;		/* Format identifier--format = 1 */
   GlyphID	startGlyph;		/* First GlyphID of the classValueArray */
-  ArrayOf<UINT16>
+  ArrayOf<HBUINT16>
 		classValue;		/* Array of Class Values--one per GlyphID */
   public:
   DEFINE_SIZE_ARRAY (6, classValue);
@@ -1148,7 +1148,7 @@ struct ClassDefFormat2
   }
 
   protected:
-  UINT16	classFormat;	/* Format identifier--format = 2 */
+  HBUINT16	classFormat;	/* Format identifier--format = 2 */
   SortedArrayOf<RangeRecord>
 		rangeRecord;	/* Array of glyph ranges--ordered by
 				 * Start GlyphID */
@@ -1210,7 +1210,7 @@ struct ClassDef
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   ClassDefFormat1	format1;
   ClassDefFormat2	format2;
   } u;
@@ -1296,8 +1296,8 @@ struct VarRegionList
   }
 
   protected:
-  UINT16	axisCount;
-  UINT16	regionCount;
+  HBUINT16	axisCount;
+  HBUINT16	regionCount;
   VarRegionAxis	axesZ[VAR];
   public:
   DEFINE_SIZE_ARRAY (4, axesZ);
@@ -1321,19 +1321,19 @@ struct VarData
    unsigned int count = regionIndices.len;
    unsigned int scount = shortCount;
 
-   const UINT8 *bytes = &StructAfter<UINT8> (regionIndices);
-   const UINT8 *row = bytes + inner * (scount + count);
+   const HBUINT8 *bytes = &StructAfter<HBUINT8> (regionIndices);
+   const HBUINT8 *row = bytes + inner * (scount + count);
 
    float delta = 0.;
    unsigned int i = 0;
 
-   const INT16 *scursor = reinterpret_cast<const INT16 *> (row);
+   const HBINT16 *scursor = reinterpret_cast<const HBINT16 *> (row);
    for (; i < scount; i++)
    {
      float scalar = regions.evaluate (regionIndices.array[i], coords, coord_count);
      delta += scalar * *scursor++;
    }
-   const INT8 *bcursor = reinterpret_cast<const INT8 *> (scursor);
+   const HBINT8 *bcursor = reinterpret_cast<const HBINT8 *> (scursor);
    for (; i < count; i++)
    {
      float scalar = regions.evaluate (regionIndices.array[i], coords, coord_count);
@@ -1349,15 +1349,15 @@ struct VarData
     return_trace (c->check_struct (this) &&
 		  regionIndices.sanitize(c) &&
 		  shortCount <= regionIndices.len &&
-		  c->check_array (&StructAfter<UINT8> (regionIndices),
+		  c->check_array (&StructAfter<HBUINT8> (regionIndices),
 				  get_row_size (), itemCount));
   }
 
   protected:
-  UINT16		itemCount;
-  UINT16		shortCount;
-  ArrayOf<UINT16>	regionIndices;
-  UINT8			bytesX[VAR];
+  HBUINT16		itemCount;
+  HBUINT16		shortCount;
+  ArrayOf<HBUINT16>	regionIndices;
+  HBUINT8			bytesX[VAR];
   public:
   DEFINE_SIZE_ARRAY2 (6, regionIndices, bytesX);
 };
@@ -1393,9 +1393,9 @@ struct VariationStore
   }
 
   protected:
-  UINT16				format;
+  HBUINT16				format;
   LOffsetTo<VarRegionList>		regions;
-  OffsetArrayOf<VarData, UINT32>	dataSets;
+  OffsetArrayOf<VarData, HBUINT32>	dataSets;
   public:
   DEFINE_SIZE_ARRAY (8, dataSets);
 };
@@ -1422,8 +1422,8 @@ struct ConditionFormat1
   }
 
   protected:
-  UINT16	format;		/* Format identifier--format = 1 */
-  UINT16	axisIndex;
+  HBUINT16	format;		/* Format identifier--format = 1 */
+  HBUINT16	axisIndex;
   F2DOT14	filterRangeMinValue;
   F2DOT14	filterRangeMaxValue;
   public:
@@ -1452,7 +1452,7 @@ struct Condition
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   ConditionFormat1	format1;
   } u;
   public:
@@ -1477,7 +1477,7 @@ struct ConditionSet
   }
 
   protected:
-  OffsetArrayOf<Condition, UINT32> conditions;
+  OffsetArrayOf<Condition, HBUINT32> conditions;
   public:
   DEFINE_SIZE_ARRAY (2, conditions);
 };
@@ -1493,7 +1493,7 @@ struct FeatureTableSubstitutionRecord
   }
 
   protected:
-  UINT16		featureIndex;
+  HBUINT16		featureIndex;
   LOffsetTo<Feature>	feature;
   public:
   DEFINE_SIZE_STATIC (6);
@@ -1613,8 +1613,8 @@ struct HintingDevice
   inline unsigned int get_size (void) const
   {
     unsigned int f = deltaFormat;
-    if (unlikely (f < 1 || f > 3 || startSize > endSize)) return 3 * UINT16::static_size;
-    return UINT16::static_size * (4 + ((endSize - startSize) >> (4 - f)));
+    if (unlikely (f < 1 || f > 3 || startSize > endSize)) return 3 * HBUINT16::static_size;
+    return HBUINT16::static_size * (4 + ((endSize - startSize) >> (4 - f)));
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -1659,14 +1659,14 @@ struct HintingDevice
   }
 
   protected:
-  UINT16	startSize;		/* Smallest size to correct--in ppem */
-  UINT16	endSize;		/* Largest size to correct--in ppem */
-  UINT16	deltaFormat;		/* Format of DeltaValue array data: 1, 2, or 3
+  HBUINT16	startSize;		/* Smallest size to correct--in ppem */
+  HBUINT16	endSize;		/* Largest size to correct--in ppem */
+  HBUINT16	deltaFormat;		/* Format of DeltaValue array data: 1, 2, or 3
 					 * 1	Signed 2-bit value, 8 values per uint16
 					 * 2	Signed 4-bit value, 4 values per uint16
 					 * 3	Signed 8-bit value, 2 values per uint16
 					 */
-  UINT16	deltaValue[VAR];	/* Array of compressed data */
+  HBUINT16	deltaValue[VAR];	/* Array of compressed data */
   public:
   DEFINE_SIZE_ARRAY (6, deltaValue);
 };
@@ -1697,9 +1697,9 @@ struct VariationDevice
   }
 
   protected:
-  UINT16	outerIndex;
-  UINT16	innerIndex;
-  UINT16	deltaFormat;	/* Format identifier for this table: 0x0x8000 */
+  HBUINT16	outerIndex;
+  HBUINT16	innerIndex;
+  HBUINT16	deltaFormat;	/* Format identifier for this table: 0x0x8000 */
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -1707,10 +1707,10 @@ struct VariationDevice
 struct DeviceHeader
 {
   protected:
-  UINT16		reserved1;
-  UINT16		reserved2;
+  HBUINT16		reserved1;
+  HBUINT16		reserved2;
   public:
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   public:
   DEFINE_SIZE_STATIC (6);
 };
diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index eed46dd67..aad7d6029 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -41,7 +41,7 @@ namespace OT {
  * Attachment List Table
  */
 
-typedef ArrayOf<UINT16> AttachPoint;	/* Array of contour point indices--in
+typedef ArrayOf<HBUINT16> AttachPoint;	/* Array of contour point indices--in
 					 * increasing numerical order */
 
 struct AttachList
@@ -62,7 +62,7 @@ struct AttachList
     const AttachPoint &points = this+attachPoint[index];
 
     if (point_count) {
-      const UINT16 *array = points.sub_array (start_offset, point_count);
+      const HBUINT16 *array = points.sub_array (start_offset, point_count);
       unsigned int count = *point_count;
       for (unsigned int i = 0; i < count; i++)
 	point_array[i] = array[i];
@@ -109,8 +109,8 @@ struct CaretValueFormat1
   }
 
   protected:
-  UINT16	caretValueFormat;	/* Format identifier--format = 1 */
-  INT16		coordinate;		/* X or Y value, in design units */
+  HBUINT16	caretValueFormat;	/* Format identifier--format = 1 */
+  HBINT16		coordinate;		/* X or Y value, in design units */
   public:
   DEFINE_SIZE_STATIC (4);
 };
@@ -136,8 +136,8 @@ struct CaretValueFormat2
   }
 
   protected:
-  UINT16	caretValueFormat;	/* Format identifier--format = 2 */
-  UINT16	caretValuePoint;	/* Contour point index on glyph */
+  HBUINT16	caretValueFormat;	/* Format identifier--format = 2 */
+  HBUINT16	caretValuePoint;	/* Contour point index on glyph */
   public:
   DEFINE_SIZE_STATIC (4);
 };
@@ -160,8 +160,8 @@ struct CaretValueFormat3
   }
 
   protected:
-  UINT16	caretValueFormat;	/* Format identifier--format = 3 */
-  INT16		coordinate;		/* X or Y value, in design units */
+  HBUINT16	caretValueFormat;	/* Format identifier--format = 3 */
+  HBINT16		coordinate;		/* X or Y value, in design units */
   OffsetTo<Device>
 		deviceTable;		/* Offset to Device table for X or Y
 					 * value--from beginning of CaretValue
@@ -199,7 +199,7 @@ struct CaretValue
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   CaretValueFormat1	format1;
   CaretValueFormat2	format2;
   CaretValueFormat3	format3;
@@ -294,7 +294,7 @@ struct MarkGlyphSetsFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   ArrayOf<LOffsetTo<Coverage> >
 		coverage;		/* Array of long offsets to mark set
 					 * coverage tables */
@@ -324,7 +324,7 @@ struct MarkGlyphSets
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   MarkGlyphSetsFormat1	format1;
   } u;
   public:
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index b344d793c..743767a5c 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -51,11 +51,11 @@ enum attach_type_t {
 
 /* Shared Tables: ValueRecord, Anchor Table, and MarkArray */
 
-typedef UINT16 Value;
+typedef HBUINT16 Value;
 
 typedef Value ValueRecord[VAR];
 
-struct ValueFormat : UINT16
+struct ValueFormat : HBUINT16
 {
   enum Flags {
     xPlacement	= 0x0001u,	/* Includes horizontal adjustment for placement */
@@ -74,14 +74,14 @@ struct ValueFormat : UINT16
 
 /* All fields are options.  Only those available advance the value pointer. */
 #if 0
-  INT16		xPlacement;		/* Horizontal adjustment for
+  HBINT16		xPlacement;		/* Horizontal adjustment for
 					 * placement--in design units */
-  INT16		yPlacement;		/* Vertical adjustment for
+  HBINT16		yPlacement;		/* Vertical adjustment for
 					 * placement--in design units */
-  INT16		xAdvance;		/* Horizontal adjustment for
+  HBINT16		xAdvance;		/* Horizontal adjustment for
 					 * advance--in design units (only used
 					 * for horizontal writing) */
-  INT16		yAdvance;		/* Vertical adjustment for advance--in
+  HBINT16		yAdvance;		/* Vertical adjustment for advance--in
 					 * design units (only used for vertical
 					 * writing) */
   Offset	xPlaDevice;		/* Offset to Device table for
@@ -178,8 +178,8 @@ struct ValueFormat : UINT16
   static inline const OffsetTo<Device>& get_device (const Value* value)
   { return *CastP<OffsetTo<Device> > (value); }
 
-  static inline const INT16& get_short (const Value* value)
-  { return *CastP<INT16> (value); }
+  static inline const HBINT16& get_short (const Value* value)
+  { return *CastP<HBINT16> (value); }
 
   public:
 
@@ -247,9 +247,9 @@ struct AnchorFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
-  INT16		xCoordinate;		/* Horizontal value--in design units */
-  INT16		yCoordinate;		/* Vertical value--in design units */
+  HBUINT16	format;			/* Format identifier--format = 1 */
+  HBINT16		xCoordinate;		/* Horizontal value--in design units */
+  HBINT16		yCoordinate;		/* Vertical value--in design units */
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -278,10 +278,10 @@ struct AnchorFormat2
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 2 */
-  INT16		xCoordinate;		/* Horizontal value--in design units */
-  INT16		yCoordinate;		/* Vertical value--in design units */
-  UINT16	anchorPoint;		/* Index to glyph contour point */
+  HBUINT16	format;			/* Format identifier--format = 2 */
+  HBINT16		xCoordinate;		/* Horizontal value--in design units */
+  HBINT16		yCoordinate;		/* Vertical value--in design units */
+  HBUINT16	anchorPoint;		/* Index to glyph contour point */
   public:
   DEFINE_SIZE_STATIC (8);
 };
@@ -308,9 +308,9 @@ struct AnchorFormat3
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 3 */
-  INT16		xCoordinate;		/* Horizontal value--in design units */
-  INT16		yCoordinate;		/* Vertical value--in design units */
+  HBUINT16	format;			/* Format identifier--format = 3 */
+  HBINT16		xCoordinate;		/* Horizontal value--in design units */
+  HBINT16		yCoordinate;		/* Vertical value--in design units */
   OffsetTo<Device>
 		xDeviceTable;		/* Offset to Device table for X
 					 * coordinate-- from beginning of
@@ -351,7 +351,7 @@ struct Anchor
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   AnchorFormat1		format1;
   AnchorFormat2		format2;
   AnchorFormat3		format3;
@@ -382,7 +382,7 @@ struct AnchorMatrix
     return_trace (true);
   }
 
-  UINT16	rows;			/* Number of rows */
+  HBUINT16	rows;			/* Number of rows */
   protected:
   OffsetTo<Anchor>
 		matrixZ[VAR];		/* Matrix of offsets to Anchor tables--
@@ -403,7 +403,7 @@ struct MarkRecord
   }
 
   protected:
-  UINT16	klass;			/* Class defined for this mark */
+  HBUINT16	klass;			/* Class defined for this mark */
   OffsetTo<Anchor>
 		markAnchor;		/* Offset to Anchor table--from
 					 * beginning of MarkArray table */
@@ -492,7 +492,7 @@ struct SinglePosFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
@@ -544,13 +544,13 @@ struct SinglePosFormat2
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 2 */
+  HBUINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
   ValueFormat	valueFormat;		/* Defines the types of data in the
 					 * ValueRecord */
-  UINT16	valueCount;		/* Number of ValueRecords */
+  HBUINT16	valueCount;		/* Number of ValueRecords */
   ValueRecord	values;			/* Array of ValueRecords--positioning
 					 * values applied to glyphs */
   public:
@@ -573,7 +573,7 @@ struct SinglePos
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   SinglePosFormat1	format1;
   SinglePosFormat2	format2;
   } u;
@@ -604,7 +604,7 @@ struct PairSet
     TRACE_COLLECT_GLYPHS (this);
     unsigned int len1 = valueFormats[0].get_len ();
     unsigned int len2 = valueFormats[1].get_len ();
-    unsigned int record_size = UINT16::static_size * (1 + len1 + len2);
+    unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2);
 
     const PairValueRecord *record = CastP<PairValueRecord> (arrayZ);
     c->input->add_array (&record->secondGlyph, len, record_size);
@@ -618,7 +618,7 @@ struct PairSet
     hb_buffer_t *buffer = c->buffer;
     unsigned int len1 = valueFormats[0].get_len ();
     unsigned int len2 = valueFormats[1].get_len ();
-    unsigned int record_size = UINT16::static_size * (1 + len1 + len2);
+    unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2);
 
     const PairValueRecord *record_array = CastP<PairValueRecord> (arrayZ);
     unsigned int count = len;
@@ -663,7 +663,7 @@ struct PairSet
   {
     TRACE_SANITIZE (this);
     if (!(c->check_struct (this)
-       && c->check_array (arrayZ, UINT16::static_size * closure->stride, len))) return_trace (false);
+       && c->check_array (arrayZ, HBUINT16::static_size * closure->stride, len))) return_trace (false);
 
     unsigned int count = len;
     const PairValueRecord *record = CastP<PairValueRecord> (arrayZ);
@@ -672,8 +672,8 @@ struct PairSet
   }
 
   protected:
-  UINT16	len;			/* Number of PairValueRecords */
-  UINT16	arrayZ[VAR];		/* Array of PairValueRecords--ordered
+  HBUINT16	len;			/* Number of PairValueRecords */
+  HBUINT16	arrayZ[VAR];		/* Array of PairValueRecords--ordered
 					 * by GlyphID of the second glyph */
   public:
   DEFINE_SIZE_ARRAY (2, arrayZ);
@@ -728,7 +728,7 @@ struct PairPosFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
@@ -809,7 +809,7 @@ struct PairPosFormat2
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 2 */
+  HBUINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
@@ -827,9 +827,9 @@ struct PairPosFormat2
 		classDef2;		/* Offset to ClassDef table--from
 					 * beginning of PairPos subtable--for
 					 * the second glyph of the pair */
-  UINT16	class1Count;		/* Number of classes in ClassDef1
+  HBUINT16	class1Count;		/* Number of classes in ClassDef1
 					 * table--includes Class0 */
-  UINT16	class2Count;		/* Number of classes in ClassDef2
+  HBUINT16	class2Count;		/* Number of classes in ClassDef2
 					 * table--includes Class0 */
   ValueRecord	values;			/* Matrix of value pairs:
 					 * class1-major, class2-minor,
@@ -854,7 +854,7 @@ struct PairPos
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   PairPosFormat1	format1;
   PairPosFormat2	format2;
   } u;
@@ -1008,7 +1008,7 @@ struct CursivePosFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of subtable */
@@ -1034,7 +1034,7 @@ struct CursivePos
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   CursivePosFormat1	format1;
   } u;
 };
@@ -1099,14 +1099,14 @@ struct MarkBasePosFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		markCoverage;		/* Offset to MarkCoverage table--from
 					 * beginning of MarkBasePos subtable */
   OffsetTo<Coverage>
 		baseCoverage;		/* Offset to BaseCoverage table--from
 					 * beginning of MarkBasePos subtable */
-  UINT16	classCount;		/* Number of classes defined for marks */
+  HBUINT16	classCount;		/* Number of classes defined for marks */
   OffsetTo<MarkArray>
 		markArray;		/* Offset to MarkArray table--from
 					 * beginning of MarkBasePos subtable */
@@ -1132,7 +1132,7 @@ struct MarkBasePos
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   MarkBasePosFormat1	format1;
   } u;
 };
@@ -1216,7 +1216,7 @@ struct MarkLigPosFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		markCoverage;		/* Offset to Mark Coverage table--from
 					 * beginning of MarkLigPos subtable */
@@ -1224,7 +1224,7 @@ struct MarkLigPosFormat1
 		ligatureCoverage;	/* Offset to Ligature Coverage
 					 * table--from beginning of MarkLigPos
 					 * subtable */
-  UINT16	classCount;		/* Number of defined mark classes */
+  HBUINT16	classCount;		/* Number of defined mark classes */
   OffsetTo<MarkArray>
 		markArray;		/* Offset to MarkArray table--from
 					 * beginning of MarkLigPos subtable */
@@ -1250,7 +1250,7 @@ struct MarkLigPos
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   MarkLigPosFormat1	format1;
   } u;
 };
@@ -1330,7 +1330,7 @@ struct MarkMarkPosFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		mark1Coverage;		/* Offset to Combining Mark1 Coverage
 					 * table--from beginning of MarkMarkPos
@@ -1339,7 +1339,7 @@ struct MarkMarkPosFormat1
 		mark2Coverage;		/* Offset to Combining Mark2 Coverage
 					 * table--from beginning of MarkMarkPos
 					 * subtable */
-  UINT16	classCount;		/* Number of defined mark classes */
+  HBUINT16	classCount;		/* Number of defined mark classes */
   OffsetTo<MarkArray>
 		mark1Array;		/* Offset to Mark1Array table--from
 					 * beginning of MarkMarkPos subtable */
@@ -1365,7 +1365,7 @@ struct MarkMarkPos
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   MarkMarkPosFormat1	format1;
   } u;
 };
@@ -1424,7 +1424,7 @@ struct PosLookupSubTable
 
   protected:
   union {
-  UINT16		sub_format;
+  HBUINT16		sub_format;
   SinglePos		single;
   PairPos		pair;
   CursivePos		cursive;
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 0b09c4e4a..05758ed79 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -110,11 +110,11 @@ struct SingleSubstFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
-  INT16		deltaGlyphID;		/* Add to original GlyphID to get
+  HBINT16		deltaGlyphID;		/* Add to original GlyphID to get
 					 * substitute GlyphID */
   public:
   DEFINE_SIZE_STATIC (6);
@@ -195,7 +195,7 @@ struct SingleSubstFormat2
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 2 */
+  HBUINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
@@ -249,7 +249,7 @@ struct SingleSubst
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   SingleSubstFormat1	format1;
   SingleSubstFormat2	format2;
   } u;
@@ -398,7 +398,7 @@ struct MultipleSubstFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
@@ -440,7 +440,7 @@ struct MultipleSubst
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   MultipleSubstFormat1	format1;
   } u;
 };
@@ -548,7 +548,7 @@ struct AlternateSubstFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
@@ -590,7 +590,7 @@ struct AlternateSubst
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   AlternateSubstFormat1	format1;
   } u;
 };
@@ -862,7 +862,7 @@ struct LigatureSubstFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of Substitution table */
@@ -912,7 +912,7 @@ struct LigatureSubst
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   LigatureSubstFormat1	format1;
   } u;
 };
@@ -1007,11 +1007,11 @@ struct ReverseChainSingleSubstFormat1
 
   unsigned int start_index = 0, end_index = 0;
     if (match_backtrack (c,
-			 backtrack.len, (UINT16 *) backtrack.array,
+			 backtrack.len, (HBUINT16 *) backtrack.array,
 			 match_coverage, this,
 			 &start_index) &&
         match_lookahead (c,
-			 lookahead.len, (UINT16 *) lookahead.array,
+			 lookahead.len, (HBUINT16 *) lookahead.array,
 			 match_coverage, this,
 			 1, &end_index))
     {
@@ -1039,7 +1039,7 @@ struct ReverseChainSingleSubstFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -1073,7 +1073,7 @@ struct ReverseChainSingleSubst
 
   protected:
   union {
-  UINT16				format;		/* Format identifier */
+  HBUINT16				format;		/* Format identifier */
   ReverseChainSingleSubstFormat1	format1;
   } u;
 };
@@ -1119,7 +1119,7 @@ struct SubstLookupSubTable
 
   protected:
   union {
-  UINT16			sub_format;
+  HBUINT16			sub_format;
   SingleSubst			single;
   MultipleSubst			multiple;
   AlternateSubst		alternate;
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index b08a59138..caa4d379d 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -234,7 +234,7 @@ struct hb_apply_context_t :
 	     match_func (nullptr),
 	     match_data (nullptr) {};
 
-    typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const UINT16 &value, const void *data);
+    typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data);
 
     inline void set_ignore_zwnj (bool ignore_zwnj_) { ignore_zwnj = ignore_zwnj_; }
     inline void set_ignore_zwj (bool ignore_zwj_) { ignore_zwj = ignore_zwj_; }
@@ -252,7 +252,7 @@ struct hb_apply_context_t :
     };
 
     inline may_match_t may_match (const hb_glyph_info_t &info,
-				  const UINT16          *glyph_data) const
+				  const HBUINT16          *glyph_data) const
     {
       if (!(info.mask & mask) ||
 	  (syllable && syllable != info.syllable ()))
@@ -315,7 +315,7 @@ struct hb_apply_context_t :
     }
     inline void set_match_func (matcher_t::match_func_t match_func_,
 				const void *match_data_,
-				const UINT16 glyph_data[])
+				const HBUINT16 glyph_data[])
     {
       matcher.set_match_func (match_func_, match_data_);
       match_glyph_data = glyph_data;
@@ -398,7 +398,7 @@ struct hb_apply_context_t :
     protected:
     hb_apply_context_t *c;
     matcher_t matcher;
-    const UINT16 *match_glyph_data;
+    const HBUINT16 *match_glyph_data;
 
     unsigned int num_items;
     unsigned int end;
@@ -568,9 +568,9 @@ struct hb_apply_context_t :
 
 
 
-typedef bool (*intersects_func_t) (hb_set_t *glyphs, const UINT16 &value, const void *data);
-typedef void (*collect_glyphs_func_t) (hb_set_t *glyphs, const UINT16 &value, const void *data);
-typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const UINT16 &value, const void *data);
+typedef bool (*intersects_func_t) (hb_set_t *glyphs, const HBUINT16 &value, const void *data);
+typedef void (*collect_glyphs_func_t) (hb_set_t *glyphs, const HBUINT16 &value, const void *data);
+typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data);
 
 struct ContextClosureFuncs
 {
@@ -586,16 +586,16 @@ struct ContextApplyFuncs
 };
 
 
-static inline bool intersects_glyph (hb_set_t *glyphs, const UINT16 &value, const void *data HB_UNUSED)
+static inline bool intersects_glyph (hb_set_t *glyphs, const HBUINT16 &value, const void *data HB_UNUSED)
 {
   return glyphs->has (value);
 }
-static inline bool intersects_class (hb_set_t *glyphs, const UINT16 &value, const void *data)
+static inline bool intersects_class (hb_set_t *glyphs, const HBUINT16 &value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
   return class_def.intersects_class (glyphs, value);
 }
-static inline bool intersects_coverage (hb_set_t *glyphs, const UINT16 &value, const void *data)
+static inline bool intersects_coverage (hb_set_t *glyphs, const HBUINT16 &value, const void *data)
 {
   const OffsetTo<Coverage> &coverage = (const OffsetTo<Coverage>&)value;
   return (data+coverage).intersects (glyphs);
@@ -603,7 +603,7 @@ static inline bool intersects_coverage (hb_set_t *glyphs, const UINT16 &value, c
 
 static inline bool intersects_array (hb_closure_context_t *c,
 				     unsigned int count,
-				     const UINT16 values[],
+				     const HBUINT16 values[],
 				     intersects_func_t intersects_func,
 				     const void *intersects_data)
 {
@@ -614,16 +614,16 @@ static inline bool intersects_array (hb_closure_context_t *c,
 }
 
 
-static inline void collect_glyph (hb_set_t *glyphs, const UINT16 &value, const void *data HB_UNUSED)
+static inline void collect_glyph (hb_set_t *glyphs, const HBUINT16 &value, const void *data HB_UNUSED)
 {
   glyphs->add (value);
 }
-static inline void collect_class (hb_set_t *glyphs, const UINT16 &value, const void *data)
+static inline void collect_class (hb_set_t *glyphs, const HBUINT16 &value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
   class_def.add_class (glyphs, value);
 }
-static inline void collect_coverage (hb_set_t *glyphs, const UINT16 &value, const void *data)
+static inline void collect_coverage (hb_set_t *glyphs, const HBUINT16 &value, const void *data)
 {
   const OffsetTo<Coverage> &coverage = (const OffsetTo<Coverage>&)value;
   (data+coverage).add_coverage (glyphs);
@@ -631,7 +631,7 @@ static inline void collect_coverage (hb_set_t *glyphs, const UINT16 &value, cons
 static inline void collect_array (hb_collect_glyphs_context_t *c HB_UNUSED,
 				  hb_set_t *glyphs,
 				  unsigned int count,
-				  const UINT16 values[],
+				  const HBUINT16 values[],
 				  collect_glyphs_func_t collect_func,
 				  const void *collect_data)
 {
@@ -640,16 +640,16 @@ static inline void collect_array (hb_collect_glyphs_context_t *c HB_UNUSED,
 }
 
 
-static inline bool match_glyph (hb_codepoint_t glyph_id, const UINT16 &value, const void *data HB_UNUSED)
+static inline bool match_glyph (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data HB_UNUSED)
 {
   return glyph_id == value;
 }
-static inline bool match_class (hb_codepoint_t glyph_id, const UINT16 &value, const void *data)
+static inline bool match_class (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
   return class_def.get_class (glyph_id) == value;
 }
-static inline bool match_coverage (hb_codepoint_t glyph_id, const UINT16 &value, const void *data)
+static inline bool match_coverage (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data)
 {
   const OffsetTo<Coverage> &coverage = (const OffsetTo<Coverage>&)value;
   return (data+coverage).get_coverage (glyph_id) != NOT_COVERED;
@@ -657,7 +657,7 @@ static inline bool match_coverage (hb_codepoint_t glyph_id, const UINT16 &value,
 
 static inline bool would_match_input (hb_would_apply_context_t *c,
 				      unsigned int count, /* Including the first glyph (not matched) */
-				      const UINT16 input[], /* Array of input values--start with second glyph */
+				      const HBUINT16 input[], /* Array of input values--start with second glyph */
 				      match_func_t match_func,
 				      const void *match_data)
 {
@@ -672,7 +672,7 @@ static inline bool would_match_input (hb_would_apply_context_t *c,
 }
 static inline bool match_input (hb_apply_context_t *c,
 				unsigned int count, /* Including the first glyph (not matched) */
-				const UINT16 input[], /* Array of input values--start with second glyph */
+				const HBUINT16 input[], /* Array of input values--start with second glyph */
 				match_func_t match_func,
 				const void *match_data,
 				unsigned int *end_offset,
@@ -896,7 +896,7 @@ static inline bool ligate_input (hb_apply_context_t *c,
 
 static inline bool match_backtrack (hb_apply_context_t *c,
 				    unsigned int count,
-				    const UINT16 backtrack[],
+				    const HBUINT16 backtrack[],
 				    match_func_t match_func,
 				    const void *match_data,
 				    unsigned int *match_start)
@@ -918,7 +918,7 @@ static inline bool match_backtrack (hb_apply_context_t *c,
 
 static inline bool match_lookahead (hb_apply_context_t *c,
 				    unsigned int count,
-				    const UINT16 lookahead[],
+				    const HBUINT16 lookahead[],
 				    match_func_t match_func,
 				    const void *match_data,
 				    unsigned int offset,
@@ -949,9 +949,9 @@ struct LookupRecord
     return_trace (c->check_struct (this));
   }
 
-  UINT16	sequenceIndex;		/* Index into current glyph
+  HBUINT16	sequenceIndex;		/* Index into current glyph
 					 * sequence--first glyph = 0 */
-  UINT16	lookupListIndex;	/* Lookup to apply to that
+  HBUINT16	lookupListIndex;	/* Lookup to apply to that
 					 * position--zero--based */
   public:
   DEFINE_SIZE_STATIC (4);
@@ -1112,7 +1112,7 @@ struct ContextApplyLookupContext
 
 static inline void context_closure_lookup (hb_closure_context_t *c,
 					   unsigned int inputCount, /* Including the first glyph (not matched) */
-					   const UINT16 input[], /* Array of input values--start with second glyph */
+					   const HBUINT16 input[], /* Array of input values--start with second glyph */
 					   unsigned int lookupCount,
 					   const LookupRecord lookupRecord[],
 					   ContextClosureLookupContext &lookup_context)
@@ -1126,7 +1126,7 @@ static inline void context_closure_lookup (hb_closure_context_t *c,
 
 static inline void context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c,
 						  unsigned int inputCount, /* Including the first glyph (not matched) */
-						  const UINT16 input[], /* Array of input values--start with second glyph */
+						  const HBUINT16 input[], /* Array of input values--start with second glyph */
 						  unsigned int lookupCount,
 						  const LookupRecord lookupRecord[],
 						  ContextCollectGlyphsLookupContext &lookup_context)
@@ -1140,7 +1140,7 @@ static inline void context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c
 
 static inline bool context_would_apply_lookup (hb_would_apply_context_t *c,
 					       unsigned int inputCount, /* Including the first glyph (not matched) */
-					       const UINT16 input[], /* Array of input values--start with second glyph */
+					       const HBUINT16 input[], /* Array of input values--start with second glyph */
 					       unsigned int lookupCount HB_UNUSED,
 					       const LookupRecord lookupRecord[] HB_UNUSED,
 					       ContextApplyLookupContext &lookup_context)
@@ -1151,7 +1151,7 @@ static inline bool context_would_apply_lookup (hb_would_apply_context_t *c,
 }
 static inline bool context_apply_lookup (hb_apply_context_t *c,
 					 unsigned int inputCount, /* Including the first glyph (not matched) */
-					 const UINT16 input[], /* Array of input values--start with second glyph */
+					 const HBUINT16 input[], /* Array of input values--start with second glyph */
 					 unsigned int lookupCount,
 					 const LookupRecord lookupRecord[],
 					 ContextApplyLookupContext &lookup_context)
@@ -1217,11 +1217,11 @@ struct Rule
   }
 
   protected:
-  UINT16	inputCount;		/* Total number of glyphs in input
+  HBUINT16	inputCount;		/* Total number of glyphs in input
 					 * glyph sequence--includes the first
 					 * glyph */
-  UINT16	lookupCount;		/* Number of LookupRecords */
-  UINT16	inputZ[VAR];		/* Array of match inputs--start with
+  HBUINT16	lookupCount;		/* Number of LookupRecords */
+  HBUINT16	inputZ[VAR];		/* Array of match inputs--start with
 					 * second glyph */
   LookupRecord	lookupRecordX[VAR];	/* Array of LookupRecords--in
 					 * design order */
@@ -1361,7 +1361,7 @@ struct ContextFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -1454,7 +1454,7 @@ struct ContextFormat2
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 2 */
+  HBUINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -1483,7 +1483,7 @@ struct ContextFormat3
       this
     };
     context_closure_lookup (c,
-			    glyphCount, (const UINT16 *) (coverageZ + 1),
+			    glyphCount, (const HBUINT16 *) (coverageZ + 1),
 			    lookupCount, lookupRecord,
 			    lookup_context);
   }
@@ -1500,7 +1500,7 @@ struct ContextFormat3
     };
 
     context_collect_glyphs_lookup (c,
-				   glyphCount, (const UINT16 *) (coverageZ + 1),
+				   glyphCount, (const HBUINT16 *) (coverageZ + 1),
 				   lookupCount, lookupRecord,
 				   lookup_context);
   }
@@ -1514,7 +1514,7 @@ struct ContextFormat3
       {match_coverage},
       this
     };
-    return_trace (context_would_apply_lookup (c, glyphCount, (const UINT16 *) (coverageZ + 1), lookupCount, lookupRecord, lookup_context));
+    return_trace (context_would_apply_lookup (c, glyphCount, (const HBUINT16 *) (coverageZ + 1), lookupCount, lookupRecord, lookup_context));
   }
 
   inline const Coverage &get_coverage (void) const
@@ -1533,7 +1533,7 @@ struct ContextFormat3
       {match_coverage},
       this
     };
-    return_trace (context_apply_lookup (c, glyphCount, (const UINT16 *) (coverageZ + 1), lookupCount, lookupRecord, lookup_context));
+    return_trace (context_apply_lookup (c, glyphCount, (const HBUINT16 *) (coverageZ + 1), lookupCount, lookupRecord, lookup_context));
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -1550,10 +1550,10 @@ struct ContextFormat3
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 3 */
-  UINT16	glyphCount;		/* Number of glyphs in the input glyph
+  HBUINT16	format;			/* Format identifier--format = 3 */
+  HBUINT16	glyphCount;		/* Number of glyphs in the input glyph
 					 * sequence */
-  UINT16	lookupCount;		/* Number of LookupRecords */
+  HBUINT16	lookupCount;		/* Number of LookupRecords */
   OffsetTo<Coverage>
 		coverageZ[VAR];		/* Array of offsets to Coverage
 					 * table in glyph sequence order */
@@ -1580,7 +1580,7 @@ struct Context
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   ContextFormat1	format1;
   ContextFormat2	format2;
   ContextFormat3	format3;
@@ -1610,11 +1610,11 @@ struct ChainContextApplyLookupContext
 
 static inline void chain_context_closure_lookup (hb_closure_context_t *c,
 						 unsigned int backtrackCount,
-						 const UINT16 backtrack[],
+						 const HBUINT16 backtrack[],
 						 unsigned int inputCount, /* Including the first glyph (not matched) */
-						 const UINT16 input[], /* Array of input values--start with second glyph */
+						 const HBUINT16 input[], /* Array of input values--start with second glyph */
 						 unsigned int lookaheadCount,
-						 const UINT16 lookahead[],
+						 const HBUINT16 lookahead[],
 						 unsigned int lookupCount,
 						 const LookupRecord lookupRecord[],
 						 ChainContextClosureLookupContext &lookup_context)
@@ -1634,11 +1634,11 @@ static inline void chain_context_closure_lookup (hb_closure_context_t *c,
 
 static inline void chain_context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c,
 						        unsigned int backtrackCount,
-						        const UINT16 backtrack[],
+						        const HBUINT16 backtrack[],
 						        unsigned int inputCount, /* Including the first glyph (not matched) */
-						        const UINT16 input[], /* Array of input values--start with second glyph */
+						        const HBUINT16 input[], /* Array of input values--start with second glyph */
 						        unsigned int lookaheadCount,
-						        const UINT16 lookahead[],
+						        const HBUINT16 lookahead[],
 						        unsigned int lookupCount,
 						        const LookupRecord lookupRecord[],
 						        ChainContextCollectGlyphsLookupContext &lookup_context)
@@ -1658,11 +1658,11 @@ static inline void chain_context_collect_glyphs_lookup (hb_collect_glyphs_contex
 
 static inline bool chain_context_would_apply_lookup (hb_would_apply_context_t *c,
 						     unsigned int backtrackCount,
-						     const UINT16 backtrack[] HB_UNUSED,
+						     const HBUINT16 backtrack[] HB_UNUSED,
 						     unsigned int inputCount, /* Including the first glyph (not matched) */
-						     const UINT16 input[], /* Array of input values--start with second glyph */
+						     const HBUINT16 input[], /* Array of input values--start with second glyph */
 						     unsigned int lookaheadCount,
-						     const UINT16 lookahead[] HB_UNUSED,
+						     const HBUINT16 lookahead[] HB_UNUSED,
 						     unsigned int lookupCount HB_UNUSED,
 						     const LookupRecord lookupRecord[] HB_UNUSED,
 						     ChainContextApplyLookupContext &lookup_context)
@@ -1675,11 +1675,11 @@ static inline bool chain_context_would_apply_lookup (hb_would_apply_context_t *c
 
 static inline bool chain_context_apply_lookup (hb_apply_context_t *c,
 					       unsigned int backtrackCount,
-					       const UINT16 backtrack[],
+					       const HBUINT16 backtrack[],
 					       unsigned int inputCount, /* Including the first glyph (not matched) */
-					       const UINT16 input[], /* Array of input values--start with second glyph */
+					       const HBUINT16 input[], /* Array of input values--start with second glyph */
 					       unsigned int lookaheadCount,
-					       const UINT16 lookahead[],
+					       const HBUINT16 lookahead[],
 					       unsigned int lookupCount,
 					       const LookupRecord lookupRecord[],
 					       ChainContextApplyLookupContext &lookup_context)
@@ -1710,8 +1710,8 @@ struct ChainRule
   inline void closure (hb_closure_context_t *c, ChainContextClosureLookupContext &lookup_context) const
   {
     TRACE_CLOSURE (this);
-    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
-    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
+    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16> > (backtrack);
+    const ArrayOf<HBUINT16> &lookahead = StructAfter<ArrayOf<HBUINT16> > (input);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     chain_context_closure_lookup (c,
 				  backtrack.len, backtrack.array,
@@ -1724,8 +1724,8 @@ struct ChainRule
   inline void collect_glyphs (hb_collect_glyphs_context_t *c, ChainContextCollectGlyphsLookupContext &lookup_context) const
   {
     TRACE_COLLECT_GLYPHS (this);
-    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
-    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
+    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16> > (backtrack);
+    const ArrayOf<HBUINT16> &lookahead = StructAfter<ArrayOf<HBUINT16> > (input);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     chain_context_collect_glyphs_lookup (c,
 					 backtrack.len, backtrack.array,
@@ -1738,8 +1738,8 @@ struct ChainRule
   inline bool would_apply (hb_would_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
   {
     TRACE_WOULD_APPLY (this);
-    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
-    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
+    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16> > (backtrack);
+    const ArrayOf<HBUINT16> &lookahead = StructAfter<ArrayOf<HBUINT16> > (input);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     return_trace (chain_context_would_apply_lookup (c,
 						    backtrack.len, backtrack.array,
@@ -1751,8 +1751,8 @@ struct ChainRule
   inline bool apply (hb_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
-    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
-    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
+    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16> > (backtrack);
+    const ArrayOf<HBUINT16> &lookahead = StructAfter<ArrayOf<HBUINT16> > (input);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     return_trace (chain_context_apply_lookup (c,
 					      backtrack.len, backtrack.array,
@@ -1765,23 +1765,23 @@ struct ChainRule
   {
     TRACE_SANITIZE (this);
     if (!backtrack.sanitize (c)) return_trace (false);
-    const HeadlessArrayOf<UINT16> &input = StructAfter<HeadlessArrayOf<UINT16> > (backtrack);
+    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16> > (backtrack);
     if (!input.sanitize (c)) return_trace (false);
-    const ArrayOf<UINT16> &lookahead = StructAfter<ArrayOf<UINT16> > (input);
+    const ArrayOf<HBUINT16> &lookahead = StructAfter<ArrayOf<HBUINT16> > (input);
     if (!lookahead.sanitize (c)) return_trace (false);
     const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
     return_trace (lookup.sanitize (c));
   }
 
   protected:
-  ArrayOf<UINT16>
+  ArrayOf<HBUINT16>
 		backtrack;		/* Array of backtracking values
 					 * (to be matched before the input
 					 * sequence) */
-  HeadlessArrayOf<UINT16>
+  HeadlessArrayOf<HBUINT16>
 		inputX;			/* Array of input values (start with
 					 * second glyph) */
-  ArrayOf<UINT16>
+  ArrayOf<HBUINT16>
 		lookaheadX;		/* Array of lookahead values's (to be
 					 * matched after the input sequence) */
   ArrayOf<LookupRecord>
@@ -1918,7 +1918,7 @@ struct ChainContextFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 1 */
+  HBUINT16	format;			/* Format identifier--format = 1 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -2033,7 +2033,7 @@ struct ChainContextFormat2
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 2 */
+  HBUINT16	format;			/* Format identifier--format = 2 */
   OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
@@ -2073,9 +2073,9 @@ struct ChainContextFormat3
       {this, this, this}
     };
     chain_context_closure_lookup (c,
-				  backtrack.len, (const UINT16 *) backtrack.array,
-				  input.len, (const UINT16 *) input.array + 1,
-				  lookahead.len, (const UINT16 *) lookahead.array,
+				  backtrack.len, (const HBUINT16 *) backtrack.array,
+				  input.len, (const HBUINT16 *) input.array + 1,
+				  lookahead.len, (const HBUINT16 *) lookahead.array,
 				  lookup.len, lookup.array,
 				  lookup_context);
   }
@@ -2094,9 +2094,9 @@ struct ChainContextFormat3
       {this, this, this}
     };
     chain_context_collect_glyphs_lookup (c,
-					 backtrack.len, (const UINT16 *) backtrack.array,
-					 input.len, (const UINT16 *) input.array + 1,
-					 lookahead.len, (const UINT16 *) lookahead.array,
+					 backtrack.len, (const HBUINT16 *) backtrack.array,
+					 input.len, (const HBUINT16 *) input.array + 1,
+					 lookahead.len, (const HBUINT16 *) lookahead.array,
 					 lookup.len, lookup.array,
 					 lookup_context);
   }
@@ -2113,9 +2113,9 @@ struct ChainContextFormat3
       {this, this, this}
     };
     return_trace (chain_context_would_apply_lookup (c,
-						    backtrack.len, (const UINT16 *) backtrack.array,
-						    input.len, (const UINT16 *) input.array + 1,
-						    lookahead.len, (const UINT16 *) lookahead.array,
+						    backtrack.len, (const HBUINT16 *) backtrack.array,
+						    input.len, (const HBUINT16 *) input.array + 1,
+						    lookahead.len, (const HBUINT16 *) lookahead.array,
 						    lookup.len, lookup.array, lookup_context));
   }
 
@@ -2140,9 +2140,9 @@ struct ChainContextFormat3
       {this, this, this}
     };
     return_trace (chain_context_apply_lookup (c,
-					      backtrack.len, (const UINT16 *) backtrack.array,
-					      input.len, (const UINT16 *) input.array + 1,
-					      lookahead.len, (const UINT16 *) lookahead.array,
+					      backtrack.len, (const HBUINT16 *) backtrack.array,
+					      input.len, (const HBUINT16 *) input.array + 1,
+					      lookahead.len, (const HBUINT16 *) lookahead.array,
 					      lookup.len, lookup.array, lookup_context));
   }
 
@@ -2160,7 +2160,7 @@ struct ChainContextFormat3
   }
 
   protected:
-  UINT16	format;			/* Format identifier--format = 3 */
+  HBUINT16	format;			/* Format identifier--format = 3 */
   OffsetArrayOf<Coverage>
 		backtrack;		/* Array of coverage tables
 					 * in backtracking sequence, in  glyph
@@ -2197,7 +2197,7 @@ struct ChainContext
 
   protected:
   union {
-  UINT16		format;	/* Format identifier */
+  HBUINT16		format;	/* Format identifier */
   ChainContextFormat1	format1;
   ChainContextFormat2	format2;
   ChainContextFormat3	format3;
@@ -2234,11 +2234,11 @@ struct ExtensionFormat1
   }
 
   protected:
-  UINT16	format;			/* Format identifier. Set to 1. */
-  UINT16	extensionLookupType;	/* Lookup type of subtable referenced
+  HBUINT16	format;			/* Format identifier. Set to 1. */
+  HBUINT16	extensionLookupType;	/* Lookup type of subtable referenced
 					 * by ExtensionOffset (i.e. the
 					 * extension subtable). */
-  UINT32		extensionOffset;	/* Offset to the extension subtable,
+  HBUINT32		extensionOffset;	/* Offset to the extension subtable,
 					 * of lookup type subtable. */
   public:
   DEFINE_SIZE_STATIC (8);
@@ -2276,7 +2276,7 @@ struct Extension
 
   protected:
   union {
-  UINT16		format;		/* Format identifier */
+  HBUINT16		format;		/* Format identifier */
   ExtensionFormat1<T>	format1;
   } u;
 };
diff --git a/src/hb-ot-math-table.hh b/src/hb-ot-math-table.hh
index 7dc3283a2..571ce01b7 100644
--- a/src/hb-ot-math-table.hh
+++ b/src/hb-ot-math-table.hh
@@ -48,7 +48,7 @@ struct MathValueRecord
   }
 
   protected:
-  INT16			value;		/* The X or Y value in design units */
+  HBINT16			value;		/* The X or Y value in design units */
   OffsetTo<Device>	deviceTable;	/* Offset to the device table - from the
 					 * beginning of parent table. May be nullptr.
 					 * Suggested format for device table is 1. */
@@ -154,10 +154,10 @@ struct MathConstants
   }
 
   protected:
-  INT16 percentScaleDown[2];
-  UINT16 minHeight[2];
+  HBINT16 percentScaleDown[2];
+  HBUINT16 minHeight[2];
   MathValueRecord mathValueRecords[51];
-  INT16 radicalDegreeBottomRaisePercent;
+  HBINT16 radicalDegreeBottomRaisePercent;
 
   public:
   DEFINE_SIZE_STATIC (214);
@@ -279,7 +279,7 @@ struct MathKern
   }
 
   protected:
-  UINT16	  heightCount;
+  HBUINT16	  heightCount;
   MathValueRecord mathValueRecords[VAR]; /* Array of correction heights at
 					  * which the kern value changes.
 					  * Sorted by the height value in
@@ -425,7 +425,7 @@ struct MathGlyphVariantRecord
 
   protected:
   GlyphID variantGlyph;       /* Glyph ID for the variant. */
-  UINT16  advanceMeasurement; /* Advance width/height, in design units, of the
+  HBUINT16  advanceMeasurement; /* Advance width/height, in design units, of the
 			       * variant, in the direction of requested
 			       * glyph extension. */
 
@@ -433,7 +433,7 @@ struct MathGlyphVariantRecord
   DEFINE_SIZE_STATIC (4);
 };
 
-struct PartFlags : UINT16
+struct PartFlags : HBUINT16
 {
   enum Flags {
     Extender	= 0x0001u, /* If set, the part can be skipped or repeated. */
@@ -473,15 +473,15 @@ struct MathGlyphPartRecord
 
   protected:
   GlyphID   glyph;		  /* Glyph ID for the part. */
-  UINT16    startConnectorLength; /* Advance width/ height of the straight bar
+  HBUINT16    startConnectorLength; /* Advance width/ height of the straight bar
 				   * connector material, in design units, is at
 				   * the beginning of the glyph, in the
 				   * direction of the extension. */
-  UINT16    endConnectorLength;   /* Advance width/ height of the straight bar
+  HBUINT16    endConnectorLength;   /* Advance width/ height of the straight bar
 				   * connector material, in design units, is at
 				   * the end of the glyph, in the direction of
 				   * the extension. */
-  UINT16    fullAdvance;	  /* Full advance width/height for this part,
+  HBUINT16    fullAdvance;	  /* Full advance width/height for this part,
 				   * in the direction of the extension.
 				   * In design units. */
   PartFlags partFlags;		  /* Part qualifiers. */
@@ -651,7 +651,7 @@ struct MathVariants
   }
 
   protected:
-  UINT16	     minConnectorOverlap; /* Minimum overlap of connecting
+  HBUINT16	     minConnectorOverlap; /* Minimum overlap of connecting
 					   * glyphs during glyph construction,
 					   * in design units. */
   OffsetTo<Coverage> vertGlyphCoverage;   /* Offset to Coverage table -
@@ -660,10 +660,10 @@ struct MathVariants
   OffsetTo<Coverage> horizGlyphCoverage;  /* Offset to Coverage table -
 					   * from the beginning of MathVariants
 					   * table. */
-  UINT16	     vertGlyphCount;      /* Number of glyphs for which
+  HBUINT16	     vertGlyphCount;      /* Number of glyphs for which
 					   * information is provided for
 					   * vertically growing variants. */
-  UINT16	     horizGlyphCount;     /* Number of glyphs for which
+  HBUINT16	     horizGlyphCount;     /* Number of glyphs for which
 					   * information is provided for
 					   * horizontally growing variants. */
 
diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index f6d283eb1..54b4f11ce 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -60,7 +60,7 @@ struct maxp
   protected:
   FixedVersion<>version;		/* Version of the maxp table (0.5 or 1.0),
 					 * 0x00005000u or 0x00010000u. */
-  UINT16	numGlyphs;		/* The number of glyphs in the font. */
+  HBUINT16	numGlyphs;		/* The number of glyphs in the font. */
   public:
   DEFINE_SIZE_STATIC (6);
 };
diff --git a/src/hb-ot-name-table.hh b/src/hb-ot-name-table.hh
index 4c5b3c0f9..eb0133379 100644
--- a/src/hb-ot-name-table.hh
+++ b/src/hb-ot-name-table.hh
@@ -65,12 +65,12 @@ struct NameRecord
     return_trace (c->check_struct (this) && c->check_range ((char *) base, (unsigned int) length + offset));
   }
 
-  UINT16	platformID;	/* Platform ID. */
-  UINT16	encodingID;	/* Platform-specific encoding ID. */
-  UINT16	languageID;	/* Language ID. */
-  UINT16	nameID;		/* Name ID. */
-  UINT16	length;		/* String length (in bytes). */
-  UINT16	offset;		/* String offset from start of storage area (in bytes). */
+  HBUINT16	platformID;	/* Platform ID. */
+  HBUINT16	encodingID;	/* Platform-specific encoding ID. */
+  HBUINT16	languageID;	/* Language ID. */
+  HBUINT16	nameID;		/* Name ID. */
+  HBUINT16	length;		/* String length (in bytes). */
+  HBUINT16	offset;		/* String offset from start of storage area (in bytes). */
   public:
   DEFINE_SIZE_STATIC (12);
 };
@@ -123,8 +123,8 @@ struct name
   }
 
   /* We only implement format 0 for now. */
-  UINT16	format;			/* Format selector (=0/1). */
-  UINT16	count;			/* Number of name records. */
+  HBUINT16	format;			/* Format selector (=0/1). */
+  HBUINT16	count;			/* Number of name records. */
   Offset16	stringOffset;		/* Offset to start of string storage (from start of table). */
   NameRecord	nameRecord[VAR];	/* The name records where count is the number of records. */
   public:
diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index aa78f1e0a..5bed47013 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -50,50 +50,50 @@ struct os2
   }
 
   public:
-  UINT16	version;
+  HBUINT16	version;
 
   /* Version 0 */
-  INT16		xAvgCharWidth;
-  UINT16	usWeightClass;
-  UINT16	usWidthClass;
-  UINT16	fsType;
-  INT16		ySubscriptXSize;
-  INT16		ySubscriptYSize;
-  INT16		ySubscriptXOffset;
-  INT16		ySubscriptYOffset;
-  INT16		ySuperscriptXSize;
-  INT16		ySuperscriptYSize;
-  INT16		ySuperscriptXOffset;
-  INT16		ySuperscriptYOffset;
-  INT16		yStrikeoutSize;
-  INT16		yStrikeoutPosition;
-  INT16		sFamilyClass;
-  UINT8		panose[10];
-  UINT32		ulUnicodeRange[4];
+  HBINT16		xAvgCharWidth;
+  HBUINT16	usWeightClass;
+  HBUINT16	usWidthClass;
+  HBUINT16	fsType;
+  HBINT16		ySubscriptXSize;
+  HBINT16		ySubscriptYSize;
+  HBINT16		ySubscriptXOffset;
+  HBINT16		ySubscriptYOffset;
+  HBINT16		ySuperscriptXSize;
+  HBINT16		ySuperscriptYSize;
+  HBINT16		ySuperscriptXOffset;
+  HBINT16		ySuperscriptYOffset;
+  HBINT16		yStrikeoutSize;
+  HBINT16		yStrikeoutPosition;
+  HBINT16		sFamilyClass;
+  HBUINT8		panose[10];
+  HBUINT32		ulUnicodeRange[4];
   Tag		achVendID;
-  UINT16	fsSelection;
-  UINT16	usFirstCharIndex;
-  UINT16	usLastCharIndex;
-  INT16		sTypoAscender;
-  INT16		sTypoDescender;
-  INT16		sTypoLineGap;
-  UINT16	usWinAscent;
-  UINT16	usWinDescent;
+  HBUINT16	fsSelection;
+  HBUINT16	usFirstCharIndex;
+  HBUINT16	usLastCharIndex;
+  HBINT16		sTypoAscender;
+  HBINT16		sTypoDescender;
+  HBINT16		sTypoLineGap;
+  HBUINT16	usWinAscent;
+  HBUINT16	usWinDescent;
 
   /* Version 1 */
-  //UINT32 ulCodePageRange1;
-  //UINT32 ulCodePageRange2;
+  //HBUINT32 ulCodePageRange1;
+  //HBUINT32 ulCodePageRange2;
 
   /* Version 2 */
-  //INT16 sxHeight;
-  //INT16 sCapHeight;
-  //UINT16  usDefaultChar;
-  //UINT16  usBreakChar;
-  //UINT16  usMaxContext;
+  //HBINT16 sxHeight;
+  //HBINT16 sCapHeight;
+  //HBUINT16  usDefaultChar;
+  //HBUINT16  usBreakChar;
+  //HBUINT16  usMaxContext;
 
   /* Version 5 */
-  //UINT16  usLowerOpticalPointSize;
-  //UINT16  usUpperOpticalPointSize;
+  //HBUINT16  usLowerOpticalPointSize;
+  //HBUINT16  usUpperOpticalPointSize;
 
   public:
   DEFINE_SIZE_STATIC (78);
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 523ba2a8e..019472c8e 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -56,10 +56,10 @@ struct postV2Tail
     return_trace (glyphNameIndex.sanitize (c));
   }
 
-  ArrayOf<UINT16>glyphNameIndex;	/* This is not an offset, but is the
+  ArrayOf<HBUINT16>glyphNameIndex;	/* This is not an offset, but is the
 					 * ordinal number of the glyph in 'post'
 					 * string tables. */
-  UINT8		namesX[VAR];		/* Glyph names with length bytes [variable]
+  HBUINT8		namesX[VAR];		/* Glyph names with length bytes [variable]
 					 * (a Pascal string). */
 
   DEFINE_SIZE_ARRAY2 (2, glyphNameIndex, namesX);
@@ -234,7 +234,7 @@ struct post
     private:
     hb_blob_t *blob;
     uint32_t version;
-    const ArrayOf<UINT16> *glyphNameIndex;
+    const ArrayOf<HBUINT16> *glyphNameIndex;
     hb_prealloced_array_t<uint32_t, 1> index_to_offset;
     const uint8_t *pool;
     mutable uint16_t *gids_sorted_by_name;
@@ -261,16 +261,16 @@ struct post
 					 * from the value of this field. */
   FWORD		underlineThickness;	/* Suggested values for the underline
 					   thickness. */
-  UINT32		isFixedPitch;		/* Set to 0 if the font is proportionally
+  HBUINT32		isFixedPitch;		/* Set to 0 if the font is proportionally
 					 * spaced, non-zero if the font is not
 					 * proportionally spaced (i.e. monospaced). */
-  UINT32		minMemType42;		/* Minimum memory usage when an OpenType font
+  HBUINT32		minMemType42;		/* Minimum memory usage when an OpenType font
 					 * is downloaded. */
-  UINT32		maxMemType42;		/* Maximum memory usage when an OpenType font
+  HBUINT32		maxMemType42;		/* Maximum memory usage when an OpenType font
 					 * is downloaded. */
-  UINT32		minMemType1;		/* Minimum memory usage when an OpenType font
+  HBUINT32		minMemType1;		/* Minimum memory usage when an OpenType font
 					 * is downloaded as a Type 1 font. */
-  UINT32		maxMemType1;		/* Maximum memory usage when an OpenType font
+  HBUINT32		maxMemType1;		/* Maximum memory usage when an OpenType font
 					 * is downloaded as a Type 1 font. */
 /*postV2Tail	v2[VAR];*/
   DEFINE_SIZE_STATIC (32);
diff --git a/src/hb-ot-var-avar-table.hh b/src/hb-ot-var-avar-table.hh
index 4b88a4030..e305a67c2 100644
--- a/src/hb-ot-var-avar-table.hh
+++ b/src/hb-ot-var-avar-table.hh
@@ -133,8 +133,8 @@ struct avar
   protected:
   FixedVersion<>version;	/* Version of the avar table
 				 * initially set to 0x00010000u */
-  UINT16	reserved;	/* This field is permanently reserved. Set to 0. */
-  UINT16	axisCount;	/* The number of variation axes in the font. This
+  HBUINT16	reserved;	/* This field is permanently reserved. Set to 0. */
+  HBUINT16	axisCount;	/* The number of variation axes in the font. This
 				 * must be the same number as axisCount in the
 				 * 'fvar' table. */
   SegmentMaps	axisSegmentMapsZ;
diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
index 2a9357a5e..999b7236f 100644
--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@@ -42,11 +42,11 @@ struct InstanceRecord
   }
 
   protected:
-  UINT16	subfamilyNameID;/* The name ID for entries in the 'name' table
+  HBUINT16	subfamilyNameID;/* The name ID for entries in the 'name' table
 				 * that provide subfamily names for this instance. */
-  UINT16	reserved;	/* Reserved for future use — set to 0. */
+  HBUINT16	reserved;	/* Reserved for future use — set to 0. */
   Fixed		coordinates[VAR];/* The coordinates array for this instance. */
-  //UINT16	postScriptNameIDX;/*Optional. The name ID for entries in the 'name'
+  //HBUINT16	postScriptNameIDX;/*Optional. The name ID for entries in the 'name'
   //				  * table that provide PostScript names for this
   //				  * instance. */
 
@@ -67,8 +67,8 @@ struct AxisRecord
   Fixed		minValue;	/* The minimum coordinate value for the axis. */
   Fixed		defaultValue;	/* The default coordinate value for the axis. */
   Fixed		maxValue;	/* The maximum coordinate value for the axis. */
-  UINT16	reserved;	/* Reserved for future use — set to 0. */
-  UINT16	axisNameID;	/* The name ID for entries in the 'name' table that
+  HBUINT16	reserved;	/* Reserved for future use — set to 0. */
+  HBUINT16	axisNameID;	/* The name ID for entries in the 'name' table that
 				 * provide a display name for this axis. */
 
   public:
@@ -188,14 +188,14 @@ struct fvar
 				 * initially set to 0x00010000u */
   Offset16	things;		/* Offset in bytes from the beginning of the table
 				 * to the start of the AxisRecord array. */
-  UINT16	reserved;	/* This field is permanently reserved. Set to 2. */
-  UINT16	axisCount;	/* The number of variation axes in the font (the
+  HBUINT16	reserved;	/* This field is permanently reserved. Set to 2. */
+  HBUINT16	axisCount;	/* The number of variation axes in the font (the
 				 * number of records in the axes array). */
-  UINT16	axisSize;	/* The size in bytes of each VariationAxisRecord —
+  HBUINT16	axisSize;	/* The size in bytes of each VariationAxisRecord —
 				 * set to 20 (0x0014) for this version. */
-  UINT16	instanceCount;	/* The number of named instances defined in the font
+  HBUINT16	instanceCount;	/* The number of named instances defined in the font
 				 * (the number of records in the instances array). */
-  UINT16	instanceSize;	/* The size in bytes of each InstanceRecord — set
+  HBUINT16	instanceSize;	/* The size in bytes of each InstanceRecord — set
 				 * to either axisCount * sizeof(Fixed) + 4, or to
 				 * axisCount * sizeof(Fixed) + 6. */
 
diff --git a/src/hb-ot-var-hvar-table.hh b/src/hb-ot-var-hvar-table.hh
index fac843a71..e20131b16 100644
--- a/src/hb-ot-var-hvar-table.hh
+++ b/src/hb-ot-var-hvar-table.hh
@@ -55,7 +55,7 @@ struct DeltaSetIndexMap
     unsigned int u = 0;
     { /* Fetch it. */
       unsigned int w = get_width ();
-      const UINT8 *p = mapData + w * v;
+      const HBUINT8 *p = mapData + w * v;
       for (; w; w--)
 	u = (u << 8) + *p++;
     }
@@ -78,10 +78,10 @@ struct DeltaSetIndexMap
   { return (format & 0xF) + 1; }
 
   protected:
-  UINT16	format;		/* A packed field that describes the compressed
+  HBUINT16	format;		/* A packed field that describes the compressed
 				 * representation of delta-set indices. */
-  UINT16	mapCount;	/* The number of mapping entries. */
-  UINT8		mapData[VAR];	/* The delta-set index mapping data. */
+  HBUINT16	mapCount;	/* The number of mapping entries. */
+  HBUINT8		mapData[VAR];	/* The delta-set index mapping data. */
 
   public:
   DEFINE_SIZE_ARRAY (4, mapData);
diff --git a/src/hb-ot-var-mvar-table.hh b/src/hb-ot-var-mvar-table.hh
index e17ff5160..e83576852 100644
--- a/src/hb-ot-var-mvar-table.hh
+++ b/src/hb-ot-var-mvar-table.hh
@@ -43,7 +43,7 @@ struct VariationValueRecord
 
   public:
   Tag		valueTag;	/* Four-byte tag identifying a font-wide measure. */
-  UINT32		varIdx;		/* Outer/inner index into VariationStore item. */
+  HBUINT32		varIdx;		/* Outer/inner index into VariationStore item. */
 
   public:
   DEFINE_SIZE_STATIC (8);
@@ -95,13 +95,13 @@ protected:
   protected:
   FixedVersion<>version;	/* Version of the metrics variation table
 				 * initially set to 0x00010000u */
-  UINT16	reserved;	/* Not used; set to 0. */
-  UINT16	valueRecordSize;/* The size in bytes of each value record —
+  HBUINT16	reserved;	/* Not used; set to 0. */
+  HBUINT16	valueRecordSize;/* The size in bytes of each value record —
 				 * must be greater than zero. */
-  UINT16	valueRecordCount;/* The number of value records — may be zero. */
+  HBUINT16	valueRecordCount;/* The number of value records — may be zero. */
   OffsetTo<VariationStore>
 		varStore;	/* Offset to item variation store table. */
-  UINT8		values[VAR];	/* Array of value records. The records must be
+  HBUINT8		values[VAR];	/* Array of value records. The records must be
 				 * in binary order of their valueTag field. */
 
   public:

From 2b3f62fc4de8f10c2168f212b1368478312e6dec Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:16:56 +0100
Subject: [PATCH 0795/1326] [test] Add tests from text-rendering-tests repo

https://github.com/unicode-org/text-rendering-tests
---
 test/shaping/Makefile.am                      |  44 ++++++++++++-
 .../fonts/AdobeVFPrototype-Subset.otf         | Bin 0 -> 7096 bytes
 .../fonts/FDArrayTest257.otf                  | Bin 0 -> 145212 bytes
 .../fonts/FDArrayTest65535.otf                | Bin 0 -> 492740 bytes
 .../fonts/NotoSansBalinese-Regular.ttf        | Bin 0 -> 32304 bytes
 .../fonts/NotoSansKannada-Regular.ttf         | Bin 0 -> 83868 bytes
 .../fonts/NotoSerifKannada-Regular.ttf        | Bin 0 -> 96936 bytes
 .../fonts/Selawik-README.md                   |  60 ++++++++++++++++++
 .../fonts/Selawik-variable.ttf                | Bin 0 -> 481504 bytes
 .../text-rendering-tests/fonts/TestAVAR.ttf   | Bin 0 -> 1608 bytes
 .../text-rendering-tests/fonts/TestCMAP14.otf | Bin 0 -> 1628 bytes
 .../fonts/TestCMAPMacTurkish.ttf              | Bin 0 -> 19644 bytes
 .../fonts/TestCVARGVAROne.ttf                 | Bin 0 -> 12336 bytes
 .../fonts/TestCVARGVARTwo.ttf                 | Bin 0 -> 12256 bytes
 .../fonts/TestGLYFOne.ttf                     | Bin 0 -> 1516 bytes
 .../fonts/TestGPOSFour.ttf                    | Bin 0 -> 315020 bytes
 .../fonts/TestGPOSOne.ttf                     | Bin 0 -> 10384 bytes
 .../fonts/TestGPOSThree.ttf                   | Bin 0 -> 3500 bytes
 .../fonts/TestGPOSTwo.otf                     | Bin 0 -> 1680 bytes
 .../fonts/TestGSUBOne.otf                     | Bin 0 -> 1788 bytes
 .../fonts/TestGVAREight.ttf                   | Bin 0 -> 4692 bytes
 .../fonts/TestGVARFour.ttf                    | Bin 0 -> 3204 bytes
 .../fonts/TestGVARNine.ttf                    | Bin 0 -> 2168 bytes
 .../fonts/TestGVAROne.ttf                     | Bin 0 -> 14312 bytes
 .../fonts/TestGVARThree.ttf                   | Bin 0 -> 14336 bytes
 .../fonts/TestGVARTwo.ttf                     | Bin 0 -> 15668 bytes
 .../fonts/TestHVAROne.otf                     | Bin 0 -> 3984 bytes
 .../fonts/TestHVARTwo.ttf                     | Bin 0 -> 4004 bytes
 .../fonts/TestKERNOne.otf                     | Bin 0 -> 1380 bytes
 .../fonts/TestMORXFour.ttf                    | Bin 0 -> 4764 bytes
 .../fonts/TestMORXOne.ttf                     | Bin 0 -> 2404 bytes
 .../fonts/TestMORXThree.ttf                   | Bin 0 -> 4104 bytes
 .../fonts/TestMORXTwo.ttf                     | Bin 0 -> 4960 bytes
 .../fonts/TestShapeAran.ttf                   | Bin 0 -> 116044 bytes
 .../fonts/TestShapeEthi.ttf                   | Bin 0 -> 5292 bytes
 .../data/text-rendering-tests/fonts/Zycon.ttf | Bin 0 -> 21036 bytes
 .../text-rendering-tests/tests/AVAR-1.tests   |  17 +++++
 .../text-rendering-tests/tests/CFF-1.tests    |  13 ++++
 .../text-rendering-tests/tests/CFF-2.tests    |  13 ++++
 .../text-rendering-tests/tests/CFF2-1.tests   |   9 +++
 .../text-rendering-tests/tests/CMAP-1.tests   |   4 ++
 .../text-rendering-tests/tests/CMAP-2.tests   |   2 +
 .../text-rendering-tests/tests/CMAP-3.tests   |  20 ++++++
 .../text-rendering-tests/tests/CVAR-1.tests   |   3 +
 .../text-rendering-tests/tests/CVAR-2.tests   |   3 +
 .../text-rendering-tests/tests/GLYF-1.tests   |   1 +
 .../text-rendering-tests/tests/GPOS-1.tests   |  19 ++++++
 .../text-rendering-tests/tests/GPOS-2.tests   |   3 +
 .../text-rendering-tests/tests/GPOS-3.tests   |   4 ++
 .../text-rendering-tests/tests/GPOS-4.tests   |   4 ++
 .../text-rendering-tests/tests/GPOS-5.tests   |   5 ++
 .../text-rendering-tests/tests/GSUB-1.tests   |   1 +
 .../text-rendering-tests/tests/GSUB-2.tests   |  11 ++++
 .../text-rendering-tests/tests/GVAR-1.tests   |   9 +++
 .../text-rendering-tests/tests/GVAR-2.tests   |   9 +++
 .../text-rendering-tests/tests/GVAR-3.tests   |   9 +++
 .../text-rendering-tests/tests/GVAR-4.tests   |  11 ++++
 .../text-rendering-tests/tests/GVAR-5.tests   |  11 ++++
 .../text-rendering-tests/tests/GVAR-6.tests   |  11 ++++
 .../text-rendering-tests/tests/GVAR-7.tests   |   7 ++
 .../text-rendering-tests/tests/GVAR-8.tests   |   6 ++
 .../text-rendering-tests/tests/GVAR-9.tests   |  10 +++
 .../text-rendering-tests/tests/HVAR-1.tests   |   6 ++
 .../text-rendering-tests/tests/HVAR-2.tests   |   6 ++
 .../text-rendering-tests/tests/KERN-1.tests   |   1 +
 .../text-rendering-tests/tests/KERN-2.tests   |   1 +
 .../text-rendering-tests/tests/MORX-1.tests   |   1 +
 .../text-rendering-tests/tests/MORX-2.tests   |  16 +++++
 .../text-rendering-tests/tests/MORX-3.tests   |  16 +++++
 .../text-rendering-tests/tests/MORX-4.tests   |  15 +++++
 .../text-rendering-tests/tests/SHARAN-1.tests |   6 ++
 .../text-rendering-tests/tests/SHBALI-1.tests |  22 +++++++
 .../text-rendering-tests/tests/SHBALI-2.tests |  12 ++++
 .../text-rendering-tests/tests/SHBALI-3.tests |   9 +++
 .../text-rendering-tests/tests/SHKNDA-1.tests |  34 ++++++++++
 .../text-rendering-tests/tests/SHKNDA-2.tests |  16 +++++
 .../text-rendering-tests/tests/SHKNDA-3.tests |  31 +++++++++
 77 files changed, 510 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/AdobeVFPrototype-Subset.otf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/FDArrayTest257.otf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/FDArrayTest65535.otf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/NotoSansBalinese-Regular.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/NotoSansKannada-Regular.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/NotoSerifKannada-Regular.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/Selawik-README.md
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/Selawik-variable.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestAVAR.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestCMAP14.otf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestCMAPMacTurkish.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestCVARGVAROne.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestCVARGVARTwo.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGLYFOne.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGPOSFour.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGPOSOne.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGPOSThree.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGPOSTwo.otf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGSUBOne.otf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGVAREight.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGVARFour.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGVARNine.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGVAROne.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGVARThree.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestGVARTwo.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestHVAROne.otf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestHVARTwo.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestKERNOne.otf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXFour.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXOne.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXThree.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTwo.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestShapeAran.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestShapeEthi.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/Zycon.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/CFF-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/CFF-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/CMAP-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/CMAP-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/CMAP-3.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/CVAR-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/CVAR-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GLYF-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GPOS-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GPOS-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GPOS-3.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GPOS-4.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GSUB-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GSUB-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/KERN-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/KERN-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-3.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-4.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/SHARAN-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/SHBALI-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/SHBALI-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/SHBALI-3.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/SHKNDA-1.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/SHKNDA-2.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/SHKNDA-3.tests

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 116a7e44e..33b6b9e32 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -12,6 +12,7 @@ lib:
 
 EXTRA_DIST += \
 	README.md \
+	CMakeLists.txt \
 	hb-diff \
 	hb-diff-colorize \
 	hb-diff-filter-failures \
@@ -23,7 +24,7 @@ EXTRA_DIST += \
 	run-tests.py \
 	texts/in-house \
 	data/in-house/fonts \
-	CMakeLists.txt \
+	data/text-rendering-tests/fonts \
 	$(TESTS) \
 	$(NULL)
 
@@ -77,6 +78,47 @@ TESTS = \
 	data/in-house/tests/variations-rvrn.tests \
 	data/in-house/tests/vertical.tests \
 	data/in-house/tests/zero-width-marks.tests \
+	data/text-rendering-tests/tests/AVAR-1.tests \
+	data/text-rendering-tests/tests/CFF-1.tests \
+	data/text-rendering-tests/tests/CFF2-1.tests \
+	data/text-rendering-tests/tests/CFF-2.tests \
+	data/text-rendering-tests/tests/CMAP-1.tests \
+	data/text-rendering-tests/tests/CMAP-2.tests \
+	data/text-rendering-tests/tests/CMAP-3.tests \
+	data/text-rendering-tests/tests/CVAR-1.tests \
+	data/text-rendering-tests/tests/CVAR-2.tests \
+	data/text-rendering-tests/tests/GLYF-1.tests \
+	data/text-rendering-tests/tests/GPOS-1.tests \
+	data/text-rendering-tests/tests/GPOS-2.tests \
+	data/text-rendering-tests/tests/GPOS-3.tests \
+	data/text-rendering-tests/tests/GPOS-4.tests \
+	data/text-rendering-tests/tests/GPOS-5.tests \
+	data/text-rendering-tests/tests/GSUB-1.tests \
+	data/text-rendering-tests/tests/GSUB-2.tests \
+	data/text-rendering-tests/tests/GVAR-1.tests \
+	data/text-rendering-tests/tests/GVAR-2.tests \
+	data/text-rendering-tests/tests/GVAR-3.tests \
+	data/text-rendering-tests/tests/GVAR-4.tests \
+	data/text-rendering-tests/tests/GVAR-5.tests \
+	data/text-rendering-tests/tests/GVAR-6.tests \
+	data/text-rendering-tests/tests/GVAR-7.tests \
+	data/text-rendering-tests/tests/GVAR-8.tests \
+	data/text-rendering-tests/tests/GVAR-9.tests \
+	data/text-rendering-tests/tests/HVAR-1.tests \
+	data/text-rendering-tests/tests/HVAR-2.tests \
+	data/text-rendering-tests/tests/KERN-1.tests \
+	data/text-rendering-tests/tests/KERN-2.tests \
+	data/text-rendering-tests/tests/MORX-1.tests \
+	data/text-rendering-tests/tests/MORX-2.tests \
+	data/text-rendering-tests/tests/MORX-3.tests \
+	data/text-rendering-tests/tests/MORX-4.tests \
+	data/text-rendering-tests/tests/SHARAN-1.tests \
+	data/text-rendering-tests/tests/SHBALI-1.tests \
+	data/text-rendering-tests/tests/SHBALI-2.tests \
+	data/text-rendering-tests/tests/SHBALI-3.tests \
+	data/text-rendering-tests/tests/SHKNDA-1.tests \
+	data/text-rendering-tests/tests/SHKNDA-2.tests \
+	data/text-rendering-tests/tests/SHKNDA-3.tests \
 	$(NULL)
 
 TEST_EXTENSIONS = .tests
diff --git a/test/shaping/data/text-rendering-tests/fonts/AdobeVFPrototype-Subset.otf b/test/shaping/data/text-rendering-tests/fonts/AdobeVFPrototype-Subset.otf
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diff --git a/test/shaping/data/text-rendering-tests/fonts/FDArrayTest65535.otf b/test/shaping/data/text-rendering-tests/fonts/FDArrayTest65535.otf
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diff --git a/test/shaping/data/text-rendering-tests/fonts/NotoSansBalinese-Regular.ttf b/test/shaping/data/text-rendering-tests/fonts/NotoSansBalinese-Regular.ttf
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diff --git a/test/shaping/data/text-rendering-tests/fonts/NotoSansKannada-Regular.ttf b/test/shaping/data/text-rendering-tests/fonts/NotoSansKannada-Regular.ttf
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diff --git a/test/shaping/data/text-rendering-tests/fonts/NotoSerifKannada-Regular.ttf b/test/shaping/data/text-rendering-tests/fonts/NotoSerifKannada-Regular.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..30ca550906f540aca27a8a0acf3a09a21e7ecfe4
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diff --git a/test/shaping/data/text-rendering-tests/fonts/Selawik-README.md b/test/shaping/data/text-rendering-tests/fonts/Selawik-README.md
new file mode 100644
index 000000000..9c5a80f34
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/fonts/Selawik-README.md
@@ -0,0 +1,60 @@
+# Overview
+This version of Selawik is a test case and demonstration of OpenType 1.8 Font Variations technology and tables. It also includes some handy debugging characters.
+
+This version of Selawik is intended for testing only, and is not recommended for shipping in applications, etc. For that, it is better to use the main branch of [Selawik](https://github.com/Microsoft/Selawik).
+
+# Features
+
+* Full TrueType hinting with VTT source tables included. See [Hinting](#hinting) for details.
+* All tables required for OpenType 1.8 are present (see [Table Status](#table-status), below). This includes cvar (varied CVTs), GPOS/GDEF (kerning varies), and avar (coordinate space warping to match Segoe UI).
+
+	Note: This version of Selawik does not include an MVAR because its vertical metrics do not change anywhere in the design space, thus there is no need for MVAR. A future release will contain an axis that varies vertical metrics as an excuse to have an MVAR.
+
+* Numerous interesting debugging glyphs (requires liga to be enabled). For example, \axis1 will show the current normalized wght coordinate. See [Debugging Glyphs](#debugging-glyphs) for details.
+* 1 axis: weight
+
+## Table status
+The following tables are currently supported:
+
+- [x] fvar
+- [x] gvar
+- [x] cvar
+- [x] avar (to match Segoe UI weights and metrics)
+- [x] STAT
+- [x] GPOS/GDEF - kerning
+- [x] HVAR
+
+Not yet complete: 
+
+- [ ] GSUB/GDEF - to change dollar signs in the bold
+- [ ] MVAR (future release)
+
+## To do
+* Add a second axis that varies vertical metrics so we need an MVAR table. This axis will not be one of the standard axes listed in the [OpenType 1.8 specification] (https://www.microsoft.com/typography/otspec/fvar.htm), so that it becomes an example of out to do a foundry-defined axis.
+* Add Feature Variations (GPOS/GDEF) to switch dollar sign glyphs across weights.
+
+
+# Debugging glyphs
+Thanks to Greg Hitchcock's TrueType coding wizardry, this font includes many glyphs that are helpful for debugging implementations of variable fonts. It has a number of substitutions implemented as liga features:
+
+Feature | Description
+-------- | ----------
+\axis1 | Shows the normalized coordinate on the wght axis for the currently selected instance (e.g. 1.0 for bold, -1.0 for light, or something in between).
+\axis2 | Shows 0 because this font doesn't yet have a second axis.
+\axis1hex | Same as \axis1 but in hex.
+\axis2hex | Same as \axis2 but in hex.
+\pointsize | Shows the point size passed to the TrueType rasterizer. Note that depending on how the application calls the rasterizer, this may not be what you expect - e.g. on Safari on MacOS, this is always 1024.
+\ppem | Shows the pixels per em passed to the TrueType rastersize. Note that depending on how the application calls the rasterizer, this may not be what you expect - e.g. on Safari on MacOS, this is always 1024.
+\ttversion | Shows the version of the TrueType rasterizer.
+\ttmode | Shows the current TrueType rasterizer mode flags.
+\boldtest | A glyph to help you detect artificial emboldening. The glyph has a vertical bar and a circle. The vertical bar's weight varies with the weight of the rest of the font: it gets bolder at bolder weights, lighter at lighter weights. The circle changes weight (and size) in opposition to the rest of the font: lighter at bold weights and vice versa. Thus, if you use this character and see both the circle and bar look bold, you're not looking at a true bold instance, but an algorithmically emboldened one.
+\family | Shows the family name of the font.
+\version | Shows the version of this font
+
+
+
+
+# Hinting
+This version of Selawik is primarily hinted with the light Latin hinting style Microsoft recommends for variable Latin fonts. The VTT Light Latin autohinter was used to create the first round of hints, which were then reviewed and touched up. 
+
+This hinting style only uses CVTs for vertical metrics anchors (ascender, descender, cap height, x-height, and baseline). While this makes for an easy job hinting a Latin font, it makes for a poor test case because Selawik doesn't vary vertical metrics with weight, thus doesn't vary CVTs, thus doesn't need a cvar. So, to make it more interesting, we added CVT-based stem hints to the lowercase only. This provided the need to vary CVTs and thus require a cvar. Note that this was only done for testing purposes. For variable fonts, Microsoft recommends the light hinting style using the `ResYDist()` command instead of a CVT-based stem hint. 
diff --git a/test/shaping/data/text-rendering-tests/fonts/Selawik-variable.ttf b/test/shaping/data/text-rendering-tests/fonts/Selawik-variable.ttf
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diff --git a/test/shaping/data/text-rendering-tests/fonts/TestCVARGVAROne.ttf b/test/shaping/data/text-rendering-tests/fonts/TestCVARGVAROne.ttf
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diff --git a/test/shaping/data/text-rendering-tests/fonts/TestCVARGVARTwo.ttf b/test/shaping/data/text-rendering-tests/fonts/TestCVARGVARTwo.ttf
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diff --git a/test/shaping/data/text-rendering-tests/fonts/TestGPOSOne.ttf b/test/shaping/data/text-rendering-tests/fonts/TestGPOSOne.ttf
new file mode 100644
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diff --git a/test/shaping/data/text-rendering-tests/fonts/TestGVARThree.ttf b/test/shaping/data/text-rendering-tests/fonts/TestGVARThree.ttf
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diff --git a/test/shaping/data/text-rendering-tests/fonts/TestShapeAran.ttf b/test/shaping/data/text-rendering-tests/fonts/TestShapeAran.ttf
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diff --git a/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
new file mode 100644
index 000000000..3da6dc546
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
@@ -0,0 +1,17 @@
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
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diff --git a/test/shaping/data/text-rendering-tests/tests/CFF-1.tests b/test/shaping/data/text-rendering-tests/tests/CFF-1.tests
new file mode 100644
index 000000000..7ef9b6d94
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/CFF-1.tests
@@ -0,0 +1,13 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/CFF-2.tests b/test/shaping/data/text-rendering-tests/tests/CFF-2.tests
new file mode 100644
index 000000000..e25040b29
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/CFF-2.tests
@@ -0,0 +1,13 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests b/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
new file mode 100644
index 000000000..d2c939613
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
@@ -0,0 +1,9 @@
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+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar.nostroke]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar.nostroke]
diff --git a/test/shaping/data/text-rendering-tests/tests/CMAP-1.tests b/test/shaping/data/text-rendering-tests/tests/CMAP-1.tests
new file mode 100644
index 000000000..309b2d6d6
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/CMAP-1.tests
@@ -0,0 +1,4 @@
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+../fonts/TestCMAP14.otf:--font-size=1000 --ned --font-funcs=ft:U+82A6,U+E0100:[uni82A6_uE0100]
+../fonts/TestCMAP14.otf:--font-size=1000 --ned --font-funcs=ft:U+82A6,U+E0101:[uni82A6_uE0101]
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diff --git a/test/shaping/data/text-rendering-tests/tests/CMAP-2.tests b/test/shaping/data/text-rendering-tests/tests/CMAP-2.tests
new file mode 100644
index 000000000..ef3156324
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/CMAP-2.tests
@@ -0,0 +1,2 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/CMAP-3.tests b/test/shaping/data/text-rendering-tests/tests/CMAP-3.tests
new file mode 100644
index 000000000..9a3525b7f
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/CMAP-3.tests
@@ -0,0 +1,20 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests
new file mode 100644
index 000000000..70cb738dc
--- /dev/null
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diff --git a/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests
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index 000000000..51de92008
--- /dev/null
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+../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
+../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GLYF-1.tests b/test/shaping/data/text-rendering-tests/tests/GLYF-1.tests
new file mode 100644
index 000000000..90adae9c7
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GLYF-1.tests
@@ -0,0 +1 @@
+../fonts/TestGLYFOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0123:[gcommaabove]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-1.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-1.tests
new file mode 100644
index 000000000..96f84fe03
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-1.tests
@@ -0,0 +1,19 @@
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+004A:[Aogonek|J@732,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+0067:[Aogonek|g@692,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+0123:[Aogonek|gcommaabove@692,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+006A:[Aogonek|j@752,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+0237:[Aogonek|dotlessj@752,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0051,U+0237:[Q|dotlessj@734,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0105,U+006A:[aogonek|j@588,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0105,U+0237:[aogonek|dotlessj@588,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0067,U+0237:[g|dotlessj@563,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0123,U+0237:[gcommaabove|dotlessj@563,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0131,U+0237:[dotlessi|dotlessj@334,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0173,U+0237:[uogonek|dotlessj@656,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0076,U+0237:[v|dotlessj@587,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+0061:[V|a@594,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+00E1:[V|aacute@594,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+0105:[V|aogonek@594,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+0066:[V|f@634,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+FB02:[V|fl@634,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+002E:[V|period@504,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-2.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-2.tests
new file mode 100644
index 000000000..cc31a07ab
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-2.tests
@@ -0,0 +1,3 @@
+../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --font-funcs=ft:U+25EF:[uni25EF]
+../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --font-funcs=ft:U+263C:[sun]
+../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --font-funcs=ft:U+25EF,U+263C:[uni25EF|sun]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-3.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-3.tests
new file mode 100644
index 000000000..b1c3be7d0
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-3.tests
@@ -0,0 +1,4 @@
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1208:[uni1208]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1208,U+135E:[uni1208|uni135E@303,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1208,U+135F:[uni1208|uni135F@303,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1208,U+135D:[uni1208|uni135D@303,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-4.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-4.tests
new file mode 100644
index 000000000..7a68b5aa8
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-4.tests
@@ -0,0 +1,4 @@
+../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0308,U+0301:[u|uni0308@529,-31|acutecomb@537,138]
+../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0308,U+0304:[u|uni0308@529,-31|uni0304@526,138]
+../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0308,U+0308:[u|uni0308@529,-31|uni0308@529,138]
+../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0308,U+0308,U+0308:[u|uni0308@529,-31|uni0308@529,138|uni0308@529,307]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
new file mode 100644
index 000000000..00bfd5898
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
@@ -0,0 +1,5 @@
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@663,144|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@680,165|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@730,246|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@750,282|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@784,351|uni0634]
diff --git a/test/shaping/data/text-rendering-tests/tests/GSUB-1.tests b/test/shaping/data/text-rendering-tests/tests/GSUB-1.tests
new file mode 100644
index 000000000..591a9e55b
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GSUB-1.tests
@@ -0,0 +1 @@
+../fonts/TestGSUBOne.otf:--font-size=1000 --ned --font-funcs=ft:U+0061,U+0020,U+0061:[a.alt|space@500,0|a@1000,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GSUB-2.tests b/test/shaping/data/text-rendering-tests/tests/GSUB-2.tests
new file mode 100644
index 000000000..601b483eb
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GSUB-2.tests
@@ -0,0 +1,11 @@
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373:[uni1373]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+136B:[uni136B]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1375:[uni1375]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+136D:[uni136D]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373,U+136B:[uni1373.init|uni136B.fina@621,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1375,U+136D:[uni1375.init|uni136D.fina@662,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+137B:[uni137B]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373,U+136B,U+137B:[uni1373.init|uni136B.medi@621,0|uni137B.fina@1102,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373,U+136B,U+137B,U+1373,U+136B:[uni1373.init|uni136B.medi@621,0|uni137B.medi@1102,0|uni1373.medi@1489,0|uni136B.fina@2110,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373,U+136B,U+137B,U+1375,U+136D:[uni1373.init|uni136B.medi@621,0|uni137B.medi@1102,0|uni1375.medi@1489,0|uni136D.fina@2157,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1375,U+136D,U+137B,U+1373,U+136B:[uni1375.init|uni136D.medi@662,0|uni137B.medi@1203,0|uni1373.medi@1590,0|uni136B.fina@2211,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
new file mode 100644
index 000000000..d70f2293a
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
@@ -0,0 +1,9 @@
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
new file mode 100644
index 000000000..fe097776f
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
@@ -0,0 +1,9 @@
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
new file mode 100644
index 000000000..700c73512
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
@@ -0,0 +1,9 @@
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
new file mode 100644
index 000000000..f51a95c85
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
@@ -0,0 +1,11 @@
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
new file mode 100644
index 000000000..7328e73a6
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
@@ -0,0 +1,11 @@
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
new file mode 100644
index 000000000..c632d465b
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
@@ -0,0 +1,11 @@
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
new file mode 100644
index 000000000..bc06d56b6
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
@@ -0,0 +1,7 @@
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1072,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1074,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1075,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1076,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1077,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1078,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1079,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
new file mode 100644
index 000000000..e5bd2572d
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
@@ -0,0 +1,6 @@
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
new file mode 100644
index 000000000..e4f2d75fa
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
@@ -0,0 +1,10 @@
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
diff --git a/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
new file mode 100644
index 000000000..d57e9a3ab
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
@@ -0,0 +1,6 @@
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+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@533,0|C@1115,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@546,0|C@1135,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@558,0|C@1155,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@571,0|C@1175,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@584,0|C@1196,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
new file mode 100644
index 000000000..88d90b529
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
@@ -0,0 +1,6 @@
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@450,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@515,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@584,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@673,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@761,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@850,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/KERN-1.tests b/test/shaping/data/text-rendering-tests/tests/KERN-1.tests
new file mode 100644
index 000000000..7bc66b8a1
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/KERN-1.tests
@@ -0,0 +1 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/KERN-2.tests b/test/shaping/data/text-rendering-tests/tests/KERN-2.tests
new file mode 100644
index 000000000..9c2cc9ac1
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/KERN-2.tests
@@ -0,0 +1 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-1.tests b/test/shaping/data/text-rendering-tests/tests/MORX-1.tests
new file mode 100644
index 000000000..27214cfdf
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-1.tests
@@ -0,0 +1 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-2.tests b/test/shaping/data/text-rendering-tests/tests/MORX-2.tests
new file mode 100644
index 000000000..4d7a965ce
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-2.tests
@@ -0,0 +1,16 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-3.tests b/test/shaping/data/text-rendering-tests/tests/MORX-3.tests
new file mode 100644
index 000000000..2ec51578f
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-3.tests
@@ -0,0 +1,16 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-4.tests b/test/shaping/data/text-rendering-tests/tests/MORX-4.tests
new file mode 100644
index 000000000..dae1d13dd
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-4.tests
@@ -0,0 +1,15 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/SHARAN-1.tests b/test/shaping/data/text-rendering-tests/tests/SHARAN-1.tests
new file mode 100644
index 000000000..f4c92d900
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/SHARAN-1.tests
@@ -0,0 +1,6 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/SHBALI-1.tests b/test/shaping/data/text-rendering-tests/tests/SHBALI-1.tests
new file mode 100644
index 000000000..fde96aaf7
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/SHBALI-1.tests
@@ -0,0 +1,22 @@
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+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B19,U+1B40:[gid66|gid29@483,0|gid57@1536,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B1A,U+1B3F:[gid67|gid30@483,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B14,U+1B36:[gid24|gid58@828,0]
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+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B40:[gid66|gid23@483,0|gid57@1594,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHBALI-2.tests b/test/shaping/data/text-rendering-tests/tests/SHBALI-2.tests
new file mode 100644
index 000000000..6b0f0b735
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/SHBALI-2.tests
@@ -0,0 +1,12 @@
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+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B31,U+1B3E:[gid66|gid23@483,0|gid159@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B32,U+1B3E:[gid66|gid23@483,0|gid60@1597,0|gid149@1594,0]
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diff --git a/test/shaping/data/text-rendering-tests/tests/SHBALI-3.tests b/test/shaping/data/text-rendering-tests/tests/SHBALI-3.tests
new file mode 100644
index 000000000..661a282f1
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/SHBALI-3.tests
@@ -0,0 +1,9 @@
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+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6C:[gid102|gid108@573,49]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6D:[gid102|gid109@652,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6E:[gid102|gid110@652,-98]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6F:[gid102|gid111@667,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B70:[gid102|gid112@667,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B71:[gid102|gid113@667,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B72:[gid102|gid114@667,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B73:[gid102|gid115@599,-10]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHKNDA-1.tests b/test/shaping/data/text-rendering-tests/tests/SHKNDA-1.tests
new file mode 100644
index 000000000..528a097a9
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/SHKNDA-1.tests
@@ -0,0 +1,34 @@
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diff --git a/test/shaping/data/text-rendering-tests/tests/SHKNDA-2.tests b/test/shaping/data/text-rendering-tests/tests/SHKNDA-2.tests
new file mode 100644
index 000000000..81d756372
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/SHKNDA-2.tests
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+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9C,U+0CBE,U+0CBC,U+0C95,U+0CBF,U+0CB0,U+0CCD:[gid139|gid57@776,0|gid55@652,0|gid205@1225,0|gid193@1799,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C87,U+0CA8,U+0CCD,U+0CAB,U+0CCD,U+0CB2,U+0CC6,U+0C95,U+0CCD,U+0CB7,U+0CA8,U+0CB2,U+0CCD:[gid8|gid256@711,0|gid118@1422,0|gid335@1591,0|gid282@1978,0|gid39@2552,0|gid195@3263,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C87,U+0CA8,U+0CCD,U+0CAB,U+0CCD,U+0CB2,U+0CC6,U+0C95,U+0CCD,U+0CB7,U+0CA8,U+0CCD:[gid8|gid256@711,0|gid118@1422,0|gid335@1591,0|gid282@1978,0|gid186@2552,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA6,U+0C9F,U+0CCD,U+0CB8,U+0CCD:[gid37|gid177@765,0|gid130@1814,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C8E,U+0C95,U+0CCD,U+0CB8,U+0CCD:[gid14|gid167@787,0|gid130@1596,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAE,U+0CBE,U+0CB0,U+0CCD,U+0C9A,U+0CCD:[gid155|gid57@1156,0|gid172@1605,0|gid94@2718,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9F,U+0CC6,U+0C95,U+0CCD,U+0CB8,U+0CCD,U+0C9F,U+0CCD:[gid247|gid167@815,0|gid130@1624,0|gid317@1792,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAC,U+0CC1,U+0C95,U+0CCD,U+0CB8,U+0CCD:[gid42|gid60@801,0|gid167@1165,0|gid130@1974,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB8,U+0CBE,U+0CAB,U+0CCD,U+0C9F,U+0CCD:[gid163|gid57@709,0|gid188@1158,0|gid107@2184,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9C,U+0CB8,U+0CCD,U+0C9F,U+0CCD:[gid27|gid200@776,0|gid107@1720,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHKNDA-3.tests b/test/shaping/data/text-rendering-tests/tests/SHKNDA-3.tests
new file mode 100644
index 000000000..edf0759b4
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/SHKNDA-3.tests
@@ -0,0 +1,31 @@
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C95,U+0CCB,U+0C82:[gid239|gid61@574,0|gid71@1319,0|gid4@1731,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C96,U+0CCB,U+0C82:[gid240|gid61@865,0|gid71@1610,0|gid4@2022,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C97,U+0CCB,U+0C82:[gid241|gid61@648,0|gid71@1393,0|gid4@1805,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C98,U+0CCB,U+0C82:[gid242|gid279@997,0|gid71@1742,0|gid4@2153,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C99,U+0CCB,U+0C82:[gid24|gid67@737,0|gid71@1718,0|gid4@2130,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9A,U+0CCB,U+0C82:[gid243|gid61@795,0|gid71@1540,0|gid4@1952,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9B,U+0CCB,U+0C82:[gid244|gid61@843,0|gid71@1588,0|gid4@2000,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9C,U+0CCB,U+0C82:[gid245|gid61@776,0|gid71@1522,0|gid4@1933,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9D,U+0CCB,U+0C82:[gid246|gid61@1379,0|gid71@2124,0|gid4@2536,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9E,U+0CCB,U+0C82:[gid29|gid67@968,0|gid71@1949,0|gid4@2360,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9F,U+0CCB,U+0C82:[gid247|gid61@815,0|gid71@1560,0|gid4@1972,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA0,U+0CCB,U+0C82:[gid248|gid61@651,0|gid71@1397,0|gid4@1808,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA1,U+0CCB,U+0C82:[gid249|gid61@768,0|gid71@1513,0|gid4@1925,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA2,U+0CCB,U+0C82:[gid250|gid61@768,0|gid71@1513,0|gid4@1925,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA3,U+0CCB,U+0C82:[gid251|gid61@867,0|gid71@1612,0|gid4@2023,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA4,U+0CCB,U+0C82:[gid252|gid61@623,0|gid71@1368,0|gid4@1779,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA5,U+0CCB,U+0C82:[gid253|gid61@765,0|gid71@1510,0|gid4@1921,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA6,U+0CCB,U+0C82:[gid254|gid61@765,0|gid71@1510,0|gid4@1921,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA7,U+0CCB,U+0C82,U+0020:[gid255|gid61@765,0|gid71@1510,0|gid4@1921,0|gid3@2472,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CCB,U+0C82:[gid256|gid61@711,0|gid71@1456,0|gid4@1868,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAA,U+0CCB,U+0C82:[gid257|gid275@792,0|gid71@1434,0|gid4@1846,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAB,U+0CCB,U+0C82:[gid258|gid277@792,0|gid71@1434,0|gid4@1846,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAC,U+0CCB,U+0C82:[gid259|gid61@806,0|gid71@1551,0|gid4@1963,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAD,U+0CCB,U+0C82:[gid260|gid61@806,0|gid71@1551,0|gid4@1963,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAE,U+0CCB,U+0C82:[gid280|gid71@1539,0|gid4@1951,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAF,U+0CCB,U+0C82:[gid281|gid71@1712,0|gid4@2124,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB0,U+0CCB,U+0C82:[gid263|gid61@651,0|gid71@1397,0|gid4@1808,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB1,U+0CCB,U+0C82:[gid47|gid67@831,0|gid71@1812,0|gid4@2223,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB2,U+0CCB,U+0C82:[gid264|gid61@769,0|gid71@1514,0|gid4@1925,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB5,U+0CCB,U+0C82:[gid266|gid275@794,0|gid71@1437,0|gid4@1848,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C86,U+0CCD,U+0CAF,U+0C95,U+0CCD,U+0CB7,U+0CBF,U+0CB8,U+0CCD,U+200C:[gid7|gid122@838,0|gid285@1098,0|gid200@1672,0|gid3@2694,0]

From 46e4ed552fb1205eb6cbc16450bb231998fc7347 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:22:08 +0100
Subject: [PATCH 0796/1326] [test/text-rendering-tests] Hook up font variations

Six more passing. Twelve failing now.
---
 .../text-rendering-tests/extract-tests.py     |  6 +++-
 .../text-rendering-tests/tests/AVAR-1.tests   | 34 +++++++++----------
 .../text-rendering-tests/tests/CFF2-1.tests   | 18 +++++-----
 .../text-rendering-tests/tests/CVAR-1.tests   |  6 ++--
 .../text-rendering-tests/tests/CVAR-2.tests   |  6 ++--
 .../text-rendering-tests/tests/GPOS-5.tests   | 10 +++---
 .../text-rendering-tests/tests/GVAR-1.tests   | 18 +++++-----
 .../text-rendering-tests/tests/GVAR-2.tests   | 18 +++++-----
 .../text-rendering-tests/tests/GVAR-3.tests   | 18 +++++-----
 .../text-rendering-tests/tests/GVAR-4.tests   | 22 ++++++------
 .../text-rendering-tests/tests/GVAR-5.tests   | 22 ++++++------
 .../text-rendering-tests/tests/GVAR-6.tests   | 22 ++++++------
 .../text-rendering-tests/tests/GVAR-7.tests   | 14 ++++----
 .../text-rendering-tests/tests/GVAR-8.tests   | 12 +++----
 .../text-rendering-tests/tests/GVAR-9.tests   | 20 +++++------
 .../text-rendering-tests/tests/HVAR-1.tests   | 12 +++----
 .../text-rendering-tests/tests/HVAR-2.tests   | 12 +++----
 17 files changed, 137 insertions(+), 133 deletions(-)

diff --git a/test/shaping/data/text-rendering-tests/extract-tests.py b/test/shaping/data/text-rendering-tests/extract-tests.py
index e87177815..06978b137 100755
--- a/test/shaping/data/text-rendering-tests/extract-tests.py
+++ b/test/shaping/data/text-rendering-tests/extract-tests.py
@@ -32,6 +32,7 @@ for elt in html.findall(".//*[@class='expected'][@ft:id]", namespaces):
 	name = elt.get(ns('ft:id'))
 	text = elt.get(ns('ft:render'))
 	font = elt.get(ns('ft:font'))
+	vars = elt.get(ns('ft:var'), '').replace(':', '=').replace(';', ',')
 	glyphs = []
 	for use in elt.findall(".//use"):
 		x = int(use.get('x'))
@@ -40,6 +41,9 @@ for elt in html.findall(".//*[@class='expected'][@ft:id]", namespaces):
 		assert href[0] == '#'
 		glyphname = '.'.join(href[1:].split('/')[1].split('.')[1:])
 		glyphs.append((glyphname, x, y))
-	print("../fonts/%s:--font-size=1000 --ned --font-funcs=ft:%s:%s" % (font, unistr(text), glyphstr(glyphs)))
+	opts = '--font-size=1000 --ned --font-funcs=ft'
+	if vars:
+		opts = opts + ' --variations=%s' % vars
+	print ("../fonts/%s:%s:%s:%s" % (font, opts, unistr(text), glyphstr(glyphs)))
 
 sys.exit(0 if found else 1)
diff --git a/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
index 3da6dc546..63172d6a9 100644
--- a/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
@@ -1,17 +1,17 @@
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=100:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=150:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=200:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=250:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=300:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=350:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=400:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=450:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=500:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=550:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=600:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=650:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=700:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=750:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=800:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=850:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=900:U+2A01:[gid1]
diff --git a/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests b/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
index d2c939613..51da1ec9b 100644
--- a/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
@@ -1,9 +1,9 @@
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar.nostroke]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft:U+0024:[dollar.nostroke]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=100:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=200:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=500:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=800:U+0024:[dollar.nostroke]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=900:U+0024:[dollar.nostroke]
diff --git a/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests
index 70cb738dc..98f927573 100644
--- a/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests
@@ -1,3 +1,3 @@
-../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0068,U+006F,U+006E:[uni0068|uni006F@595,0|uni006E@1126,0]
-../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
-../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
+../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=28,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@595,0|uni006E@1126,0]
+../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=94,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
+../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=194,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests
index 51de92008..0db163a66 100644
--- a/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests
@@ -1,3 +1,3 @@
-../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0068,U+006F,U+006E:[uni0068|uni006F@595,0|uni006E@1126,0]
-../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
-../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
+../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=28,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@595,0|uni006E@1126,0]
+../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=94,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
+../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=194,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
index 00bfd5898..f0a73571c 100644
--- a/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
@@ -1,5 +1,5 @@
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@663,144|uni0634]
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@680,165|uni0634]
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@730,246|uni0634]
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@750,282|uni0634]
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0634,U+0652:[uni0652@784,351|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=100:U+0634,U+0652:[uni0652@663,144|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+0634,U+0652:[uni0652@680,165|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+0634,U+0652:[uni0652@730,246|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+0634,U+0652:[uni0652@750,282|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=900:U+0634,U+0652:[uni0652@784,351|uni0634]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
index d70f2293a..620fcfc78 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
@@ -1,9 +1,9 @@
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
index fe097776f..3b2932c94 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
@@ -1,9 +1,9 @@
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
index 700c73512..05d074388 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
@@ -1,9 +1,9 @@
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
index f51a95c85..700a287b7 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
@@ -1,11 +1,11 @@
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-1.0,T1=0.0:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.8,T1=0.1:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.6,T1=0.2:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.4,T1=0.3:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.2,T1=0.4:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.0,T1=0.5:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.2,T1=0.6:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.4,T1=0.7:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.6,T1=0.8:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.8,T1=0.9:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=1.0,T1=1.0:U+1F98E:[gid5]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
index 7328e73a6..27670f12e 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
@@ -1,11 +1,11 @@
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-1.0:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.8:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.6:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.4:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.2:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.0:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.2:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.4:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.6:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.8:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=1.0:U+1F31D:[gid15]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
index c632d465b..61e060adf 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
@@ -1,11 +1,11 @@
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.0:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.1:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.2:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.3:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.4:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.5:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.6:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.7:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.8:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.9:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=1.0:U+1F422:[gid12]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
index bc06d56b6..1280d7141 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
@@ -1,7 +1,7 @@
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1072,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1074,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1075,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1076,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1077,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1078,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1079,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=150:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1072,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=200:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1074,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=250:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1075,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1076,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=350:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1077,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1078,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=450:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1079,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
index e5bd2572d..209f3253e 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
@@ -1,6 +1,6 @@
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=0.0:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-0.2:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-0.4:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-0.6:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-0.8:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-1.0:U+0048:[H]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
index e4f2d75fa..ababf5d6f 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
@@ -1,10 +1,10 @@
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=-1.0:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=-0.5:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.0:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.5:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.6:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.7:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.8:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.9:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.944444:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=1.0:U+0041:[A]
diff --git a/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
index d57e9a3ab..d5dea06d7 100644
--- a/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
@@ -1,6 +1,6 @@
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@520,0|C@1094,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@533,0|C@1115,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@546,0|C@1135,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@558,0|C@1155,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@571,0|C@1175,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@584,0|C@1196,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=0:U+0041,U+0042,U+0043:[A|B@520,0|C@1094,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=200:U+0041,U+0042,U+0043:[A|B@533,0|C@1115,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+0041,U+0042,U+0043:[A|B@546,0|C@1135,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+0041,U+0042,U+0043:[A|B@558,0|C@1155,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=800:U+0041,U+0042,U+0043:[A|B@571,0|C@1175,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=1000:U+0041,U+0042,U+0043:[A|B@584,0|C@1196,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
index 88d90b529..23113b053 100644
--- a/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
@@ -1,6 +1,6 @@
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@450,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@515,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@584,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@673,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@761,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042:[uni0041|uni0042@850,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=0:U+0041,U+0042:[uni0041|uni0042@450,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=200:U+0041,U+0042:[uni0041|uni0042@515,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+0041,U+0042:[uni0041|uni0042@584,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+0041,U+0042:[uni0041|uni0042@673,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=800:U+0041,U+0042:[uni0041|uni0042@761,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=1000:U+0041,U+0042:[uni0041|uni0042@850,0]

From 3b1e97f364e5ffdc08b52f889e3fea80a7e83e99 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:35:20 +0100
Subject: [PATCH 0797/1326] Add HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES

New API:
HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES
hb-shape / hb-view --remove-default-ignorables

One more text-rendering-tests test passing.  Eleven failing.
---
 src/hb-buffer.h                               | 17 +++--
 src/hb-ot-shape.cc                            |  6 +-
 .../text-rendering-tests/extract-tests.py     |  2 +-
 .../text-rendering-tests/tests/AVAR-1.tests   | 34 +++++-----
 .../text-rendering-tests/tests/CFF-1.tests    | 26 +++----
 .../text-rendering-tests/tests/CFF-2.tests    | 26 +++----
 .../text-rendering-tests/tests/CFF2-1.tests   | 18 ++---
 .../text-rendering-tests/tests/CMAP-1.tests   |  8 +--
 .../text-rendering-tests/tests/CMAP-2.tests   |  4 +-
 .../text-rendering-tests/tests/CMAP-3.tests   | 40 +++++------
 .../text-rendering-tests/tests/CVAR-1.tests   |  6 +-
 .../text-rendering-tests/tests/CVAR-2.tests   |  6 +-
 .../text-rendering-tests/tests/GLYF-1.tests   |  2 +-
 .../text-rendering-tests/tests/GPOS-1.tests   | 38 +++++------
 .../text-rendering-tests/tests/GPOS-2.tests   |  6 +-
 .../text-rendering-tests/tests/GPOS-3.tests   |  8 +--
 .../text-rendering-tests/tests/GPOS-4.tests   |  8 +--
 .../text-rendering-tests/tests/GPOS-5.tests   | 10 +--
 .../text-rendering-tests/tests/GSUB-1.tests   |  2 +-
 .../text-rendering-tests/tests/GSUB-2.tests   | 22 +++---
 .../text-rendering-tests/tests/GVAR-1.tests   | 18 ++---
 .../text-rendering-tests/tests/GVAR-2.tests   | 18 ++---
 .../text-rendering-tests/tests/GVAR-3.tests   | 18 ++---
 .../text-rendering-tests/tests/GVAR-4.tests   | 22 +++---
 .../text-rendering-tests/tests/GVAR-5.tests   | 22 +++---
 .../text-rendering-tests/tests/GVAR-6.tests   | 22 +++---
 .../text-rendering-tests/tests/GVAR-7.tests   | 14 ++--
 .../text-rendering-tests/tests/GVAR-8.tests   | 12 ++--
 .../text-rendering-tests/tests/GVAR-9.tests   | 20 +++---
 .../text-rendering-tests/tests/HVAR-1.tests   | 12 ++--
 .../text-rendering-tests/tests/HVAR-2.tests   | 12 ++--
 .../text-rendering-tests/tests/KERN-1.tests   |  2 +-
 .../text-rendering-tests/tests/KERN-2.tests   |  2 +-
 .../text-rendering-tests/tests/MORX-1.tests   |  2 +-
 .../text-rendering-tests/tests/MORX-2.tests   | 32 ++++-----
 .../text-rendering-tests/tests/MORX-3.tests   | 32 ++++-----
 .../text-rendering-tests/tests/MORX-4.tests   | 30 ++++----
 .../text-rendering-tests/tests/SHARAN-1.tests | 12 ++--
 .../text-rendering-tests/tests/SHBALI-1.tests | 44 ++++++------
 .../text-rendering-tests/tests/SHBALI-2.tests | 24 +++----
 .../text-rendering-tests/tests/SHBALI-3.tests | 18 ++---
 .../text-rendering-tests/tests/SHKNDA-1.tests | 68 +++++++++----------
 .../text-rendering-tests/tests/SHKNDA-2.tests | 32 ++++-----
 .../text-rendering-tests/tests/SHKNDA-3.tests | 62 ++++++++---------
 util/options.cc                               |  1 +
 util/options.hh                               | 14 ++--
 46 files changed, 435 insertions(+), 419 deletions(-)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 1341be524..655a22eed 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -251,9 +251,17 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer);
  * @HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES:
  *                      flag indication that character with Default_Ignorable
  *                      Unicode property should use the corresponding glyph
- *                      from the font, instead of hiding them (currently done
- *                      by replacing them with the space glyph and zeroing the
- *                      advance width.)
+ *                      from the font, instead of hiding them (done by
+ *                      replacing them with the space glyph and zeroing the
+ *                      advance width.)  This flag takes precendence over
+ *                      @HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES.
+ * @HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES:
+ *                      flag indication that character with Default_Ignorable
+ *                      Unicode property should be removed from glyph string
+ *                      instead of hiding them (done by replacing them with the
+ *                      space glyph and zeroing the advance width.)
+ *                      @HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES takes
+ *                      precedence over this flag. Since: 1.8.0
  *
  * Since: 0.9.20
  */
@@ -261,7 +269,8 @@ typedef enum { /*< flags >*/
   HB_BUFFER_FLAG_DEFAULT			= 0x00000000u,
   HB_BUFFER_FLAG_BOT				= 0x00000001u, /* Beginning-of-text */
   HB_BUFFER_FLAG_EOT				= 0x00000002u, /* End-of-text */
-  HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES	= 0x00000004u
+  HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES	= 0x00000004u,
+  HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES	= 0x00000008u
 } hb_buffer_flags_t;
 
 HB_EXTERN void
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 21f6eda0b..64e118a75 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -452,7 +452,8 @@ hb_ot_zero_width_default_ignorables (hb_ot_shape_context_t *c)
   hb_buffer_t *buffer = c->buffer;
 
   if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_DEFAULT_IGNORABLES) ||
-      (buffer->flags & HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES))
+      (buffer->flags & HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES) ||
+      (buffer->flags & HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES))
     return;
 
   unsigned int count = buffer->len;
@@ -488,7 +489,8 @@ hb_ot_hide_default_ignorables (hb_ot_shape_context_t *c)
     return;
 
   hb_codepoint_t space;
-  if (c->font->get_nominal_glyph (' ', &space))
+  if (!(buffer->flags & HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES) &&
+      c->font->get_nominal_glyph (' ', &space))
   {
     /* Replace default-ignorables with a zero-advance space glyph. */
     for (/*continue*/; i < count; i++)
diff --git a/test/shaping/data/text-rendering-tests/extract-tests.py b/test/shaping/data/text-rendering-tests/extract-tests.py
index 06978b137..8e5909fac 100755
--- a/test/shaping/data/text-rendering-tests/extract-tests.py
+++ b/test/shaping/data/text-rendering-tests/extract-tests.py
@@ -41,7 +41,7 @@ for elt in html.findall(".//*[@class='expected'][@ft:id]", namespaces):
 		assert href[0] == '#'
 		glyphname = '.'.join(href[1:].split('/')[1].split('.')[1:])
 		glyphs.append((glyphname, x, y))
-	opts = '--font-size=1000 --ned --font-funcs=ft'
+	opts = '--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft'
 	if vars:
 		opts = opts + ' --variations=%s' % vars
 	print ("../fonts/%s:%s:%s:%s" % (font, opts, unistr(text), glyphstr(glyphs)))
diff --git a/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
index 63172d6a9..19223eb6c 100644
--- a/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/AVAR-1.tests
@@ -1,17 +1,17 @@
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=100:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=150:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=200:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=250:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=300:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=350:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=400:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=450:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=500:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=550:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=600:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=650:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=700:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=750:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=800:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=850:U+2A01:[gid1]
-../fonts/TestAVAR.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=900:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=100:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=150:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=200:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=250:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=300:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=350:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=400:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=450:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=500:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=550:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=600:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=650:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=700:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=750:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=800:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=850:U+2A01:[gid1]
+../fonts/TestAVAR.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=900:U+2A01:[gid1]
diff --git a/test/shaping/data/text-rendering-tests/tests/CFF-1.tests b/test/shaping/data/text-rendering-tests/tests/CFF-1.tests
index 7ef9b6d94..67882532c 100644
--- a/test/shaping/data/text-rendering-tests/tests/CFF-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CFF-1.tests
@@ -1,13 +1,13 @@
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+0041:[gid66]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+211D:[gid30]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+24EA:[gid235]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+2460:[gid97]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+2461:[gid98]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+4EFF:[gid256]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+FF21:[gid34]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+10133:[gid52]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+1D4D0:[gid209]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+1F33A:[gid59]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+1F33B:[gid60]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+1F4A7:[gid168]
-../fonts/FDArrayTest257.otf:--font-size=1000 --ned --font-funcs=ft:U+1F95D:[gid94]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041:[gid66]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+211D:[gid30]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+24EA:[gid235]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+2460:[gid97]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+2461:[gid98]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+4EFF:[gid256]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+FF21:[gid34]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+10133:[gid52]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1D4D0:[gid209]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1F33A:[gid59]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1F33B:[gid60]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1F4A7:[gid168]
+../fonts/FDArrayTest257.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1F95D:[gid94]
diff --git a/test/shaping/data/text-rendering-tests/tests/CFF-2.tests b/test/shaping/data/text-rendering-tests/tests/CFF-2.tests
index e25040b29..6f190a8e8 100644
--- a/test/shaping/data/text-rendering-tests/tests/CFF-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CFF-2.tests
@@ -1,13 +1,13 @@
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+0041:[gid66]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+211D:[gid8478]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+24EA:[gid9451]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+2460:[gid9313]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+2461:[gid9314]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+4EFF:[gid20224]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+FF21:[gid65314]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+10133:[gid308]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+1D4D0:[gid54481]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+1F33A:[gid62267]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+1F33B:[gid62268]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+1F4A7:[gid62632]
-../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --font-funcs=ft:U+1F95D:[gid63838]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041:[gid66]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+211D:[gid8478]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+24EA:[gid9451]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+2460:[gid9313]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+2461:[gid9314]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+4EFF:[gid20224]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+FF21:[gid65314]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+10133:[gid308]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1D4D0:[gid54481]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1F33A:[gid62267]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1F33B:[gid62268]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1F4A7:[gid62632]
+../fonts/FDArrayTest65535.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1F95D:[gid63838]
diff --git a/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests b/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
index 51da1ec9b..84cb14d07 100644
--- a/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CFF2-1.tests
@@ -1,9 +1,9 @@
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=100:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=200:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=500:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+0024:[dollar]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=800:U+0024:[dollar.nostroke]
-../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=900:U+0024:[dollar.nostroke]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=100:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=200:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=300:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=400:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=500:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=600:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=700:U+0024:[dollar]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=800:U+0024:[dollar.nostroke]
+../fonts/AdobeVFPrototype-Subset.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=900:U+0024:[dollar.nostroke]
diff --git a/test/shaping/data/text-rendering-tests/tests/CMAP-1.tests b/test/shaping/data/text-rendering-tests/tests/CMAP-1.tests
index 309b2d6d6..337b9f862 100644
--- a/test/shaping/data/text-rendering-tests/tests/CMAP-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CMAP-1.tests
@@ -1,4 +1,4 @@
-../fonts/TestCMAP14.otf:--font-size=1000 --ned --font-funcs=ft:U+82A6:[uni82A6_uE0100]
-../fonts/TestCMAP14.otf:--font-size=1000 --ned --font-funcs=ft:U+82A6,U+E0100:[uni82A6_uE0100]
-../fonts/TestCMAP14.otf:--font-size=1000 --ned --font-funcs=ft:U+82A6,U+E0101:[uni82A6_uE0101]
-../fonts/TestCMAP14.otf:--font-size=1000 --ned --font-funcs=ft:U+82A6,U+E0102:[uni82A6_uE0100]
+../fonts/TestCMAP14.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+82A6:[uni82A6_uE0100]
+../fonts/TestCMAP14.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+82A6,U+E0100:[uni82A6_uE0100]
+../fonts/TestCMAP14.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+82A6,U+E0101:[uni82A6_uE0101]
+../fonts/TestCMAP14.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+82A6,U+E0102:[uni82A6_uE0100]
diff --git a/test/shaping/data/text-rendering-tests/tests/CMAP-2.tests b/test/shaping/data/text-rendering-tests/tests/CMAP-2.tests
index ef3156324..861f2e48c 100644
--- a/test/shaping/data/text-rendering-tests/tests/CMAP-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CMAP-2.tests
@@ -1,2 +1,2 @@
-../fonts/TestCMAP14.otf:--font-size=1000 --ned --font-funcs=ft:U+2269:[uni2269]
-../fonts/TestCMAP14.otf:--font-size=1000 --ned --font-funcs=ft:U+2269,U+FE00:[uni2269FE00]
+../fonts/TestCMAP14.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+2269:[uni2269]
+../fonts/TestCMAP14.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+2269,U+FE00:[uni2269FE00]
diff --git a/test/shaping/data/text-rendering-tests/tests/CMAP-3.tests b/test/shaping/data/text-rendering-tests/tests/CMAP-3.tests
index 9a3525b7f..d8758d3b6 100644
--- a/test/shaping/data/text-rendering-tests/tests/CMAP-3.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CMAP-3.tests
@@ -1,20 +1,20 @@
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+201C:[gid200]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041:[gid34]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+0042:[gid35]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+00C7:[gid126]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+011E:[gid176]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+0049:[gid42]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+0130:[gid178]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+00D6:[gid140]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+015E:[gid181]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+00DC:[gid145]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+201D:[gid201]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+0061:[gid66]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+0062:[gid67]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+00E7:[gid154]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+011F:[gid177]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+0131:[gid222]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+0069:[gid74]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+00F6:[gid168]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+015F:[gid182]
-../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --font-funcs=ft:U+00FC:[gid174]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+201C:[gid200]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041:[gid34]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0042:[gid35]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+00C7:[gid126]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+011E:[gid176]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0049:[gid42]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0130:[gid178]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+00D6:[gid140]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+015E:[gid181]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+00DC:[gid145]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+201D:[gid201]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0061:[gid66]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0062:[gid67]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+00E7:[gid154]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+011F:[gid177]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0131:[gid222]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0069:[gid74]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+00F6:[gid168]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+015F:[gid182]
+../fonts/TestCMAPMacTurkish.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+00FC:[gid174]
diff --git a/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests
index 98f927573..c874a1408 100644
--- a/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CVAR-1.tests
@@ -1,3 +1,3 @@
-../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=28,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@595,0|uni006E@1126,0]
-../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=94,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
-../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=194,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
+../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=28,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@595,0|uni006E@1126,0]
+../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=94,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
+../fonts/TestCVARGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=194,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests
index 0db163a66..6bd42e152 100644
--- a/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/CVAR-2.tests
@@ -1,3 +1,3 @@
-../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=28,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@595,0|uni006E@1126,0]
-../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=94,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
-../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=194,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
+../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=28,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@595,0|uni006E@1126,0]
+../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=94,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@635,0|uni006E@1212,0]
+../fonts/TestCVARGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=194,wdth=100,opsz=72:U+0068,U+006F,U+006E:[uni0068|uni006F@691,0|uni006E@1331,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GLYF-1.tests b/test/shaping/data/text-rendering-tests/tests/GLYF-1.tests
index 90adae9c7..bdc0346ed 100644
--- a/test/shaping/data/text-rendering-tests/tests/GLYF-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GLYF-1.tests
@@ -1 +1 @@
-../fonts/TestGLYFOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0123:[gcommaabove]
+../fonts/TestGLYFOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0123:[gcommaabove]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-1.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-1.tests
index 96f84fe03..221d16bd1 100644
--- a/test/shaping/data/text-rendering-tests/tests/GPOS-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-1.tests
@@ -1,19 +1,19 @@
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+004A:[Aogonek|J@732,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+0067:[Aogonek|g@692,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+0123:[Aogonek|gcommaabove@692,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+006A:[Aogonek|j@752,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0104,U+0237:[Aogonek|dotlessj@752,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0051,U+0237:[Q|dotlessj@734,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0105,U+006A:[aogonek|j@588,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0105,U+0237:[aogonek|dotlessj@588,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0067,U+0237:[g|dotlessj@563,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0123,U+0237:[gcommaabove|dotlessj@563,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0131,U+0237:[dotlessi|dotlessj@334,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0173,U+0237:[uogonek|dotlessj@656,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0076,U+0237:[v|dotlessj@587,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+0061:[V|a@594,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+00E1:[V|aacute@594,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+0105:[V|aogonek@594,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+0066:[V|f@634,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+FB02:[V|fl@634,0]
-../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0056,U+002E:[V|period@504,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0104,U+004A:[Aogonek|J@732,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0104,U+0067:[Aogonek|g@692,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0104,U+0123:[Aogonek|gcommaabove@692,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0104,U+006A:[Aogonek|j@752,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0104,U+0237:[Aogonek|dotlessj@752,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0051,U+0237:[Q|dotlessj@734,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0105,U+006A:[aogonek|j@588,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0105,U+0237:[aogonek|dotlessj@588,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0067,U+0237:[g|dotlessj@563,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0123,U+0237:[gcommaabove|dotlessj@563,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0131,U+0237:[dotlessi|dotlessj@334,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0173,U+0237:[uogonek|dotlessj@656,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0076,U+0237:[v|dotlessj@587,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0056,U+0061:[V|a@594,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0056,U+00E1:[V|aacute@594,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0056,U+0105:[V|aogonek@594,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0056,U+0066:[V|f@634,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0056,U+FB02:[V|fl@634,0]
+../fonts/TestGPOSOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0056,U+002E:[V|period@504,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-2.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-2.tests
index cc31a07ab..03fcc369d 100644
--- a/test/shaping/data/text-rendering-tests/tests/GPOS-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-2.tests
@@ -1,3 +1,3 @@
-../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --font-funcs=ft:U+25EF:[uni25EF]
-../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --font-funcs=ft:U+263C:[sun]
-../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --font-funcs=ft:U+25EF,U+263C:[uni25EF|sun]
+../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+25EF:[uni25EF]
+../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+263C:[sun]
+../fonts/TestGPOSTwo.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+25EF,U+263C:[uni25EF|sun]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-3.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-3.tests
index b1c3be7d0..32aeb6eaf 100644
--- a/test/shaping/data/text-rendering-tests/tests/GPOS-3.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-3.tests
@@ -1,4 +1,4 @@
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1208:[uni1208]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1208,U+135E:[uni1208|uni135E@303,0]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1208,U+135F:[uni1208|uni135F@303,0]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1208,U+135D:[uni1208|uni135D@303,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1208:[uni1208]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1208,U+135E:[uni1208|uni135E@303,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1208,U+135F:[uni1208|uni135F@303,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1208,U+135D:[uni1208|uni135D@303,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-4.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-4.tests
index 7a68b5aa8..fd7754212 100644
--- a/test/shaping/data/text-rendering-tests/tests/GPOS-4.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-4.tests
@@ -1,4 +1,4 @@
-../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0308,U+0301:[u|uni0308@529,-31|acutecomb@537,138]
-../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0308,U+0304:[u|uni0308@529,-31|uni0304@526,138]
-../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0308,U+0308:[u|uni0308@529,-31|uni0308@529,138]
-../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0308,U+0308,U+0308:[u|uni0308@529,-31|uni0308@529,138|uni0308@529,307]
+../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0075,U+0308,U+0301:[u|uni0308@529,-31|acutecomb@537,138]
+../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0075,U+0308,U+0304:[u|uni0308@529,-31|uni0304@526,138]
+../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0075,U+0308,U+0308:[u|uni0308@529,-31|uni0308@529,138]
+../fonts/TestGPOSThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0075,U+0308,U+0308,U+0308:[u|uni0308@529,-31|uni0308@529,138|uni0308@529,307]
diff --git a/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests b/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
index f0a73571c..2d7ce14af 100644
--- a/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GPOS-5.tests
@@ -1,5 +1,5 @@
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=100:U+0634,U+0652:[uni0652@663,144|uni0634]
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+0634,U+0652:[uni0652@680,165|uni0634]
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+0634,U+0652:[uni0652@730,246|uni0634]
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+0634,U+0652:[uni0652@750,282|uni0634]
-../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=900:U+0634,U+0652:[uni0652@784,351|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=100:U+0634,U+0652:[uni0652@663,144|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=300:U+0634,U+0652:[uni0652@680,165|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=600:U+0634,U+0652:[uni0652@730,246|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=700:U+0634,U+0652:[uni0652@750,282|uni0634]
+../fonts/TestGPOSFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=900:U+0634,U+0652:[uni0652@784,351|uni0634]
diff --git a/test/shaping/data/text-rendering-tests/tests/GSUB-1.tests b/test/shaping/data/text-rendering-tests/tests/GSUB-1.tests
index 591a9e55b..e33a6f17c 100644
--- a/test/shaping/data/text-rendering-tests/tests/GSUB-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GSUB-1.tests
@@ -1 +1 @@
-../fonts/TestGSUBOne.otf:--font-size=1000 --ned --font-funcs=ft:U+0061,U+0020,U+0061:[a.alt|space@500,0|a@1000,0]
+../fonts/TestGSUBOne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0061,U+0020,U+0061:[a.alt|space@500,0|a@1000,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GSUB-2.tests b/test/shaping/data/text-rendering-tests/tests/GSUB-2.tests
index 601b483eb..34c8debda 100644
--- a/test/shaping/data/text-rendering-tests/tests/GSUB-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GSUB-2.tests
@@ -1,11 +1,11 @@
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373:[uni1373]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+136B:[uni136B]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1375:[uni1375]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+136D:[uni136D]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373,U+136B:[uni1373.init|uni136B.fina@621,0]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1375,U+136D:[uni1375.init|uni136D.fina@662,0]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+137B:[uni137B]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373,U+136B,U+137B:[uni1373.init|uni136B.medi@621,0|uni137B.fina@1102,0]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373,U+136B,U+137B,U+1373,U+136B:[uni1373.init|uni136B.medi@621,0|uni137B.medi@1102,0|uni1373.medi@1489,0|uni136B.fina@2110,0]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1373,U+136B,U+137B,U+1375,U+136D:[uni1373.init|uni136B.medi@621,0|uni137B.medi@1102,0|uni1375.medi@1489,0|uni136D.fina@2157,0]
-../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --font-funcs=ft:U+1375,U+136D,U+137B,U+1373,U+136B:[uni1375.init|uni136D.medi@662,0|uni137B.medi@1203,0|uni1373.medi@1590,0|uni136B.fina@2211,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1373:[uni1373]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+136B:[uni136B]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1375:[uni1375]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+136D:[uni136D]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1373,U+136B:[uni1373.init|uni136B.fina@621,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1375,U+136D:[uni1375.init|uni136D.fina@662,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+137B:[uni137B]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1373,U+136B,U+137B:[uni1373.init|uni136B.medi@621,0|uni137B.fina@1102,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1373,U+136B,U+137B,U+1373,U+136B:[uni1373.init|uni136B.medi@621,0|uni137B.medi@1102,0|uni1373.medi@1489,0|uni136B.fina@2110,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1373,U+136B,U+137B,U+1375,U+136D:[uni1373.init|uni136B.medi@621,0|uni137B.medi@1102,0|uni1375.medi@1489,0|uni136D.fina@2157,0]
+../fonts/TestShapeEthi.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1375,U+136D,U+137B,U+1373,U+136B:[uni1375.init|uni136D.medi@662,0|uni137B.medi@1203,0|uni1373.medi@1590,0|uni136B.fina@2211,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
index 620fcfc78..fc00a4eab 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-1.tests
@@ -1,9 +1,9 @@
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
-../fonts/TestGVAROne.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
+../fonts/TestGVAROne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
index 3b2932c94..10e22e462 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-2.tests
@@ -1,9 +1,9 @@
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
-../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
+../fonts/TestGVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
index 05d074388..c3b804934 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-3.tests
@@ -1,9 +1,9 @@
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
-../fonts/TestGVARThree.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=300:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=350:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=400:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=450:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=500:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=550:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=600:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=650:U+5F4C:[gid2]
+../fonts/TestGVARThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=700:U+5F4C:[gid2]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
index 700a287b7..1c0964d20 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-4.tests
@@ -1,11 +1,11 @@
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-1.0,T1=0.0:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.8,T1=0.1:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.6,T1=0.2:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.4,T1=0.3:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.2,T1=0.4:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.0,T1=0.5:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.2,T1=0.6:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.4,T1=0.7:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.6,T1=0.8:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.8,T1=0.9:U+1F98E:[gid5]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=1.0,T1=1.0:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-1.0,T1=0.0:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-0.8,T1=0.1:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-0.6,T1=0.2:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-0.4,T1=0.3:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-0.2,T1=0.4:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.0,T1=0.5:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.2,T1=0.6:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.4,T1=0.7:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.6,T1=0.8:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.8,T1=0.9:U+1F98E:[gid5]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=1.0,T1=1.0:U+1F98E:[gid5]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
index 27670f12e..b2ff7106a 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-5.tests
@@ -1,11 +1,11 @@
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-1.0:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.8:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.6:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.4:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=-0.2:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.0:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.2:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.4:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.6:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=0.8:U+1F31D:[gid15]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=M1=1.0:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-1.0:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-0.8:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-0.6:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-0.4:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=-0.2:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.0:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.2:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.4:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.6:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=0.8:U+1F31D:[gid15]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=M1=1.0:U+1F31D:[gid15]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
index 61e060adf..f96292b56 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-6.tests
@@ -1,11 +1,11 @@
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.0:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.1:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.2:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.3:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.4:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.5:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.6:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.7:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.8:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=0.9:U+1F422:[gid12]
-../fonts/Zycon.ttf:--font-size=1000 --ned --font-funcs=ft --variations=T1=1.0:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.0:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.1:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.2:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.3:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.4:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.5:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.6:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.7:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.8:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=0.9:U+1F422:[gid12]
+../fonts/Zycon.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=T1=1.0:U+1F422:[gid12]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
index 1280d7141..594da3baf 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-7.tests
@@ -1,7 +1,7 @@
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=150:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1072,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=200:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1074,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=250:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1075,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=300:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1076,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=350:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1077,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1078,0]
-../fonts/TestGVARFour.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=450:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1079,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=150:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1072,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=200:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1074,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=250:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1075,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=300:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1076,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=350:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1077,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=400:U+004F,U+0049,U+004F:[uni004F|uni0049@707,0|uni004F@1078,0]
+../fonts/TestGVARFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=450:U+004F,U+0049,U+004F:[uni004F|uni0049@706,0|uni004F@1079,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
index 209f3253e..e5c820903 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-8.tests
@@ -1,6 +1,6 @@
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=0.0:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-0.2:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-0.4:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-0.6:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-0.8:U+0048:[H]
-../fonts/TestGVAREight.ttf:--font-size=1000 --ned --font-funcs=ft --variations=HV=-1.0:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=HV=0.0:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=HV=-0.2:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=HV=-0.4:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=HV=-0.6:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=HV=-0.8:U+0048:[H]
+../fonts/TestGVAREight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=HV=-1.0:U+0048:[H]
diff --git a/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests b/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
index ababf5d6f..19e2ed8ec 100644
--- a/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
+++ b/test/shaping/data/text-rendering-tests/tests/GVAR-9.tests
@@ -1,10 +1,10 @@
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=-1.0:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=-0.5:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.0:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.5:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.6:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.7:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.8:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.9:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=0.944444:U+0041:[A]
-../fonts/TestGVARNine.ttf:--font-size=1000 --ned --font-funcs=ft --variations=TEST=1.0:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=-1.0:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=-0.5:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=0.0:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=0.5:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=0.6:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=0.7:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=0.8:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=0.9:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=0.944444:U+0041:[A]
+../fonts/TestGVARNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=TEST=1.0:U+0041:[A]
diff --git a/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests b/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
index d5dea06d7..189d9f0bb 100644
--- a/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/HVAR-1.tests
@@ -1,6 +1,6 @@
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=0:U+0041,U+0042,U+0043:[A|B@520,0|C@1094,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=200:U+0041,U+0042,U+0043:[A|B@533,0|C@1115,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+0041,U+0042,U+0043:[A|B@546,0|C@1135,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+0041,U+0042,U+0043:[A|B@558,0|C@1155,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=800:U+0041,U+0042,U+0043:[A|B@571,0|C@1175,0]
-../fonts/TestHVAROne.otf:--font-size=1000 --ned --font-funcs=ft --variations=wght=1000:U+0041,U+0042,U+0043:[A|B@584,0|C@1196,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=0:U+0041,U+0042,U+0043:[A|B@520,0|C@1094,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=200:U+0041,U+0042,U+0043:[A|B@533,0|C@1115,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=400:U+0041,U+0042,U+0043:[A|B@546,0|C@1135,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=600:U+0041,U+0042,U+0043:[A|B@558,0|C@1155,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=800:U+0041,U+0042,U+0043:[A|B@571,0|C@1175,0]
+../fonts/TestHVAROne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=1000:U+0041,U+0042,U+0043:[A|B@584,0|C@1196,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests b/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
index 23113b053..db93be985 100644
--- a/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/HVAR-2.tests
@@ -1,6 +1,6 @@
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=0:U+0041,U+0042:[uni0041|uni0042@450,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=200:U+0041,U+0042:[uni0041|uni0042@515,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=400:U+0041,U+0042:[uni0041|uni0042@584,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=600:U+0041,U+0042:[uni0041|uni0042@673,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=800:U+0041,U+0042:[uni0041|uni0042@761,0]
-../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --font-funcs=ft --variations=wght=1000:U+0041,U+0042:[uni0041|uni0042@850,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=0:U+0041,U+0042:[uni0041|uni0042@450,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=200:U+0041,U+0042:[uni0041|uni0042@515,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=400:U+0041,U+0042:[uni0041|uni0042@584,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=600:U+0041,U+0042:[uni0041|uni0042@673,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=800:U+0041,U+0042:[uni0041|uni0042@761,0]
+../fonts/TestHVARTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft --variations=wght=1000:U+0041,U+0042:[uni0041|uni0042@850,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/KERN-1.tests b/test/shaping/data/text-rendering-tests/tests/KERN-1.tests
index 7bc66b8a1..f0c021401 100644
--- a/test/shaping/data/text-rendering-tests/tests/KERN-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/KERN-1.tests
@@ -1 +1 @@
-../fonts/TestKERNOne.otf:--font-size=1000 --ned --font-funcs=ft:U+0131,U+0054,U+0075,U+0054,U+0075,U+0054,U+0131:[dotlessi|T|u@400,0|T@600,0|u@1000,0|T@1200,0|dotlessi@1600,0]
+../fonts/TestKERNOne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0131,U+0054,U+0075,U+0054,U+0075,U+0054,U+0131:[dotlessi|T|u@400,0|T@600,0|u@1000,0|T@1200,0|dotlessi@1600,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/KERN-2.tests b/test/shaping/data/text-rendering-tests/tests/KERN-2.tests
index 9c2cc9ac1..fdffa4a4c 100644
--- a/test/shaping/data/text-rendering-tests/tests/KERN-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/KERN-2.tests
@@ -1 +1 @@
-../fonts/TestKERNOne.otf:--font-size=1000 --ned --font-funcs=ft:U+0075,U+0131,U+0131,U+0054,U+0131,U+0131,U+0054,U+0131,U+0131,U+0075:[u|dotlessi@400,0|dotlessi@1100,0|T@1100,0|dotlessi@1500,0|dotlessi@2200,0|T@2200,0|dotlessi@2600,0|dotlessi@3300,0|u@3500,0]
+../fonts/TestKERNOne.otf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0075,U+0131,U+0131,U+0054,U+0131,U+0131,U+0054,U+0131,U+0131,U+0075:[u|dotlessi@400,0|dotlessi@1100,0|T@1100,0|dotlessi@1500,0|dotlessi@2200,0|T@2200,0|dotlessi@2600,0|dotlessi@3300,0|u@3500,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-1.tests b/test/shaping/data/text-rendering-tests/tests/MORX-1.tests
index 27214cfdf..794b01bf9 100644
--- a/test/shaping/data/text-rendering-tests/tests/MORX-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-1.tests
@@ -1 +1 @@
-../fonts/TestMORXOne.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0043:[A.alt|B@1000,0|C.alt@2000,0]
+../fonts/TestMORXOne.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043:[A.alt|B@1000,0|C.alt@2000,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-2.tests b/test/shaping/data/text-rendering-tests/tests/MORX-2.tests
index 4d7a965ce..3e64d2342 100644
--- a/test/shaping/data/text-rendering-tests/tests/MORX-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-2.tests
@@ -1,16 +1,16 @@
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-../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+278A:[O|O@418,0|O@836,0|B@1254,0|X@2084,0|Y@2914,0|Z@3744,0|C@4574,0|D@5404,0|A@6234,0|O@7064,0|O@7482,0|O@7900,0|one@8318,0]
-../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+278B:[O|O@418,0|O@836,0|D@1254,0|A@2084,0|B@2914,0|X@3744,0|Y@4574,0|Z@5404,0|C@6234,0|O@7064,0|O@7482,0|O@7900,0|two@8318,0]
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-../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+0035:[O|O@418,0|O@836,0|X@1254,0|Y@2084,0|Z@2914,0|C@3744,0|D@4574,0|B@5404,0|A@6234,0|O@7064,0|O@7482,0|O@7900,0|five@8318,0]
-../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+0036:[O|O@418,0|O@836,0|C@1254,0|D@2084,0|A@2914,0|B@3744,0|X@4574,0|Y@5404,0|Z@6234,0|O@7064,0|O@7482,0|O@7900,0|six@8318,0]
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-../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+0039:[O|O@418,0|O@836,0|D@1254,0|C@2084,0|B@2914,0|X@3744,0|Y@4574,0|Z@5404,0|A@6234,0|O@7064,0|O@7482,0|O@7900,0|nine@8318,0]
-../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+2793:[O|O@418,0|O@836,0|D@1254,0|X@2084,0|Y@2914,0|Z@3744,0|C@4574,0|A@5404,0|B@6234,0|O@7064,0|O@7482,0|O@7900,0|one_zero@8318,0]
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+../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+2793:[O|O@418,0|O@836,0|D@1254,0|X@2084,0|Y@2914,0|Z@3744,0|C@4574,0|A@5404,0|B@6234,0|O@7064,0|O@7482,0|O@7900,0|one_zero@8318,0]
+../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+24EB:[O|O@418,0|O@836,0|D@1254,0|X@2084,0|Y@2914,0|Z@3744,0|C@4574,0|B@5404,0|A@6234,0|O@7064,0|O@7482,0|O@7900,0|one_one@8318,0]
+../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+24EC:[O|O@418,0|O@836,0|C@1254,0|D@2084,0|X@2914,0|Y@3744,0|Z@4574,0|A@5404,0|B@6234,0|O@7064,0|O@7482,0|O@7900,0|one_two@8318,0]
+../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+24ED:[O|O@418,0|O@836,0|C@1254,0|D@2084,0|X@2914,0|Y@3744,0|Z@4574,0|B@5404,0|A@6234,0|O@7064,0|O@7482,0|O@7900,0|one_three@8318,0]
+../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+24EE:[O|O@418,0|O@836,0|D@1254,0|C@2084,0|X@2914,0|Y@3744,0|Z@4574,0|A@5404,0|B@6234,0|O@7064,0|O@7482,0|O@7900,0|one_four@8318,0]
+../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0058,U+0059,U+005A,U+0043,U+0044,U+004F,U+004F,U+004F,U+24EF:[O|O@418,0|O@836,0|D@1254,0|C@2084,0|X@2914,0|Y@3744,0|Z@4574,0|B@5404,0|A@6234,0|O@7064,0|O@7482,0|O@7900,0|one_five@8318,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-3.tests b/test/shaping/data/text-rendering-tests/tests/MORX-3.tests
index 2ec51578f..fc7fe9461 100644
--- a/test/shaping/data/text-rendering-tests/tests/MORX-3.tests
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-3.tests
@@ -1,16 +1,16 @@
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0030:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|zero@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0031:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0032:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|two@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0033:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|three@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0034:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|four@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0035:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|five@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0036:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|six@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0037:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|seven@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0038:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|eight@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0039:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|nine@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+2793:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_zero@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24EB:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_one@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24EC:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_two@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24ED:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_three@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24EE:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_four@1793,0]
-../fonts/TestMORXThree.ttf:--font-size=1000 --ned --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24EF:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_five@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0030:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|zero@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0031:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0032:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|two@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0033:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|three@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0034:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|four@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0035:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|five@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0036:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|six@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0037:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|seven@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0038:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|eight@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+0039:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|nine@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+2793:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_zero@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24EB:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_one@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24EC:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_two@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24ED:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_three@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24EE:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_four@1793,0]
+../fonts/TestMORXThree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0043,U+0044,U+24EF:[A|B@363,0|X@722,0|C@1086,0|D@1402,0|one_five@1793,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-4.tests b/test/shaping/data/text-rendering-tests/tests/MORX-4.tests
index dae1d13dd..cbb1ce8ae 100644
--- a/test/shaping/data/text-rendering-tests/tests/MORX-4.tests
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-4.tests
@@ -1,15 +1,15 @@
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0031:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|one@2898,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0032:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|two@2898,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0044,U+0058,U+0059,U+005A,U+0033:[P|Q@333,0|R@699,0|D@1050,0|A@1880,0|X@2710,0|Y@3074,0|Z@3406,0|three@3728,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0034:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|four@3728,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0035:[P|Q@333,0|R@699,0|B@1050,0|A@1880,0|X@2710,0|Y@3074,0|Z@3406,0|five@3728,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0036:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|six@3728,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0037:[P|Q@333,0|R@699,0|B@1050,0|A@1880,0|X@2710,0|Y@3074,0|Z@3406,0|seven@3728,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0043,U+0044,U+0058,U+0059,U+005A,U+0038:[P|Q@333,0|R@699,0|C@1050,0|D@1880,0|A@2710,0|X@3540,0|Y@3904,0|Z@4236,0|eight@4558,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0043,U+0044,U+0058,U+0059,U+005A,U+0039:[P|Q@333,0|R@699,0|D@1050,0|C@1880,0|A@2710,0|X@3540,0|Y@3904,0|Z@4236,0|nine@4558,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0044,U+0058,U+0059,U+005A,U+2793:[P|Q@333,0|R@699,0|D@1050,0|A@1880,0|B@2710,0|X@3540,0|Y@3904,0|Z@4236,0|one_zero@4558,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0044,U+0058,U+0059,U+005A,U+24EB:[P|Q@333,0|R@699,0|D@1050,0|B@1880,0|A@2710,0|X@3540,0|Y@3904,0|Z@4236,0|one_one@4558,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0044,U+0058,U+0059,U+005A,U+24EC:[P|Q@333,0|R@699,0|C@1050,0|D@1880,0|A@2710,0|B@3540,0|X@4370,0|Y@4734,0|Z@5066,0|one_two@5388,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0044,U+0058,U+0059,U+005A,U+24ED:[P|Q@333,0|R@699,0|C@1050,0|D@1880,0|B@2710,0|A@3540,0|X@4370,0|Y@4734,0|Z@5066,0|one_three@5388,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0044,U+0058,U+0059,U+005A,U+24EE:[P|Q@333,0|R@699,0|D@1050,0|C@1880,0|A@2710,0|B@3540,0|X@4370,0|Y@4734,0|Z@5066,0|one_four@5388,0]
-../fonts/TestMORXFour.ttf:--font-size=1000 --ned --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0044,U+0058,U+0059,U+005A,U+24EF:[P|Q@333,0|R@699,0|D@1050,0|C@1880,0|B@2710,0|A@3540,0|X@4370,0|Y@4734,0|Z@5066,0|one_five@5388,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0031:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|one@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0032:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|two@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0044,U+0058,U+0059,U+005A,U+0033:[P|Q@333,0|R@699,0|D@1050,0|A@1880,0|X@2710,0|Y@3074,0|Z@3406,0|three@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0034:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|four@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0035:[P|Q@333,0|R@699,0|B@1050,0|A@1880,0|X@2710,0|Y@3074,0|Z@3406,0|five@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0036:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|six@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0037:[P|Q@333,0|R@699,0|B@1050,0|A@1880,0|X@2710,0|Y@3074,0|Z@3406,0|seven@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0043,U+0044,U+0058,U+0059,U+005A,U+0038:[P|Q@333,0|R@699,0|C@1050,0|D@1880,0|A@2710,0|X@3540,0|Y@3904,0|Z@4236,0|eight@4558,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0043,U+0044,U+0058,U+0059,U+005A,U+0039:[P|Q@333,0|R@699,0|D@1050,0|C@1880,0|A@2710,0|X@3540,0|Y@3904,0|Z@4236,0|nine@4558,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0044,U+0058,U+0059,U+005A,U+2793:[P|Q@333,0|R@699,0|D@1050,0|A@1880,0|B@2710,0|X@3540,0|Y@3904,0|Z@4236,0|one_zero@4558,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0044,U+0058,U+0059,U+005A,U+24EB:[P|Q@333,0|R@699,0|D@1050,0|B@1880,0|A@2710,0|X@3540,0|Y@3904,0|Z@4236,0|one_one@4558,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0044,U+0058,U+0059,U+005A,U+24EC:[P|Q@333,0|R@699,0|C@1050,0|D@1880,0|A@2710,0|B@3540,0|X@4370,0|Y@4734,0|Z@5066,0|one_two@5388,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0044,U+0058,U+0059,U+005A,U+24ED:[P|Q@333,0|R@699,0|C@1050,0|D@1880,0|B@2710,0|A@3540,0|X@4370,0|Y@4734,0|Z@5066,0|one_three@5388,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0044,U+0058,U+0059,U+005A,U+24EE:[P|Q@333,0|R@699,0|D@1050,0|C@1880,0|A@2710,0|B@3540,0|X@4370,0|Y@4734,0|Z@5066,0|one_four@5388,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0044,U+0058,U+0059,U+005A,U+24EF:[P|Q@333,0|R@699,0|D@1050,0|C@1880,0|B@2710,0|A@3540,0|X@4370,0|Y@4734,0|Z@5066,0|one_five@5388,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHARAN-1.tests b/test/shaping/data/text-rendering-tests/tests/SHARAN-1.tests
index f4c92d900..56e83abfd 100644
--- a/test/shaping/data/text-rendering-tests/tests/SHARAN-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/SHARAN-1.tests
@@ -1,6 +1,6 @@
-../fonts/TestShapeAran.ttf:--font-size=1000 --ned --font-funcs=ft:U+0644,U+0633,U+0627,U+0646:[OneDotEnclNS@398,-1|NoonxSep|AlefFin@861,0|SeenMed.inT2outT1@1125,0|sp0@1664,0|LamIni.outT2@1664,223]
-../fonts/TestShapeAran.ttf:--font-size=1000 --ned --font-funcs=ft:U+06CC,U+0648,U+0646,U+06CC,U+06A9,U+0648,U+0688:[TahSmallNS@118,-213|DalSep|WawFin.cut@300,0|KafMed.outT3@573,206|TwoDotsBelowNS@1115,220|BehxMed.inT2outT1@903,304|OneDotAboveNS@1271,-71|sp1@1170,0|BehxIni.outT2@1170,449|WawFin.inD2@1387,0|TwoDotsBelowNS@1867,1|sp0@1758,0|BehxIni.outD2WQ@1758,323]
-../fonts/TestShapeAran.ttf:--font-size=1000 --ned --font-funcs=ft:U+0641,U+0648,U+0646,U+0679:[TahSmallNS@595,-331|BehxFin.soft|OneDotAboveNS@1163,-182|sp0@1184,0|BehxIni.outT2B@1184,300|WawFin.inD2alt@1340,0|OneDotAboveNS@1784,108|sp0@1599,0|FehxIni.outD2WQ@1599,237]
-../fonts/TestShapeAran.ttf:--font-size=1000 --ned --font-funcs=ft:U+0679,U+0627,U+0626,U+067E,U+0020,U+0641,U+06CC,U+0633:[SeenFin|TwoDotsBelowNS@1216,269|BehxMed.inT1outT2SeenWide@1041,455|OneDotAboveNS@1454,224|sp0@1271,0|FehxIni@1271,490|space@1584,0|ThreeDotsDownBelowNS@2290,-159|BehxFin.soft@1715,0|HamzaAboveNS@2878,-201|sp0@2899,0|BehxIni.outT2B@2899,300|AlefFin.narrow@3056,0|TahSmallNS@3442,-420|sp0@3295,0|BehxIni.A@3295,0]
-../fonts/TestShapeAran.ttf:--font-size=1000 --ned --font-funcs=ft:U+0641,U+0646,U+0020,U+062E,U+0637,U+0627,U+0637,U+06CC:[YehxFin|sp0@521,0|TahIni.outD2@521,380|AlefFin@1119,0|TahMed.inD1outT1@1382,0|OneDotAboveNS@2081,-47|sp0@1451,0|HahIni.outD1@1451,36|space@2326,0|OneDotEnclNS@2855,-2|NoonxFin@2458,0|OneDotAboveNS@3361,188|sp0@3208,0|FehxIni.outT2N@3208,336]
-../fonts/TestShapeAran.ttf:--font-size=1000 --ned --font-funcs=ft:U+0646,U+0633,U+062A,U+0639,U+0644,U+06CC,U+0642:[TwoDotsAboveNS@519,-199|QafxFin.cut|TwoDotsBelowNS@977,141|BehxMed.inT2outD2WQ@692,272|LamMed.outT2@1023,434|AinMed.inT3outT1@1301,507|TwoDotsAboveNS@1785,209|BehxMed.inT2outT3@1563,603|SeenMed.inT2outT2@1865,735|OneDotAboveNS@2574,670|sp0@2434,0|BehxIni.outT2tall@2434,952]
+../fonts/TestShapeAran.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0644,U+0633,U+0627,U+0646:[OneDotEnclNS@398,-1|NoonxSep|AlefFin@861,0|SeenMed.inT2outT1@1125,0|sp0@1664,0|LamIni.outT2@1664,223]
+../fonts/TestShapeAran.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+06CC,U+0648,U+0646,U+06CC,U+06A9,U+0648,U+0688:[TahSmallNS@118,-213|DalSep|WawFin.cut@300,0|KafMed.outT3@573,206|TwoDotsBelowNS@1115,220|BehxMed.inT2outT1@903,304|OneDotAboveNS@1271,-71|sp1@1170,0|BehxIni.outT2@1170,449|WawFin.inD2@1387,0|TwoDotsBelowNS@1867,1|sp0@1758,0|BehxIni.outD2WQ@1758,323]
+../fonts/TestShapeAran.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0641,U+0648,U+0646,U+0679:[TahSmallNS@595,-331|BehxFin.soft|OneDotAboveNS@1163,-182|sp0@1184,0|BehxIni.outT2B@1184,300|WawFin.inD2alt@1340,0|OneDotAboveNS@1784,108|sp0@1599,0|FehxIni.outD2WQ@1599,237]
+../fonts/TestShapeAran.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0679,U+0627,U+0626,U+067E,U+0020,U+0641,U+06CC,U+0633:[SeenFin|TwoDotsBelowNS@1216,269|BehxMed.inT1outT2SeenWide@1041,455|OneDotAboveNS@1454,224|sp0@1271,0|FehxIni@1271,490|space@1584,0|ThreeDotsDownBelowNS@2290,-159|BehxFin.soft@1715,0|HamzaAboveNS@2878,-201|sp0@2899,0|BehxIni.outT2B@2899,300|AlefFin.narrow@3056,0|TahSmallNS@3442,-420|sp0@3295,0|BehxIni.A@3295,0]
+../fonts/TestShapeAran.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0641,U+0646,U+0020,U+062E,U+0637,U+0627,U+0637,U+06CC:[YehxFin|sp0@521,0|TahIni.outD2@521,380|AlefFin@1119,0|TahMed.inD1outT1@1382,0|OneDotAboveNS@2081,-47|sp0@1451,0|HahIni.outD1@1451,36|space@2326,0|OneDotEnclNS@2855,-2|NoonxFin@2458,0|OneDotAboveNS@3361,188|sp0@3208,0|FehxIni.outT2N@3208,336]
+../fonts/TestShapeAran.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0646,U+0633,U+062A,U+0639,U+0644,U+06CC,U+0642:[TwoDotsAboveNS@519,-199|QafxFin.cut|TwoDotsBelowNS@977,141|BehxMed.inT2outD2WQ@692,272|LamMed.outT2@1023,434|AinMed.inT3outT1@1301,507|TwoDotsAboveNS@1785,209|BehxMed.inT2outT3@1563,603|SeenMed.inT2outT2@1865,735|OneDotAboveNS@2574,670|sp0@2434,0|BehxIni.outT2tall@2434,952]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHBALI-1.tests b/test/shaping/data/text-rendering-tests/tests/SHBALI-1.tests
index fde96aaf7..4c727b04f 100644
--- a/test/shaping/data/text-rendering-tests/tests/SHBALI-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/SHBALI-1.tests
@@ -1,22 +1,22 @@
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B38,U+1B00:[gid23|gid60@1113,0|gid4@1064,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B15,U+1B44,U+1B16,U+1B02:[gid25|gid132@1092,0|gid6@942,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B18,U+1B3B:[gid28|gid62@796,0|gid57@794,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B19,U+1B40:[gid66|gid29@483,0|gid57@1536,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B1A,U+1B3F:[gid67|gid30@483,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B14,U+1B36:[gid24|gid58@828,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B01:[gid23|gid129@1111,0|gid5@1064,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B1B,U+1B01:[gid23|gid137@1111,0|gid5@1379,181]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B26,U+1B03:[gid23|gid148@1111,0|gid7@991,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B38:[gid23|gid129@1111,0|gid60@1111,-488]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B3C:[gid23|gid129@1111,0|gid70@1128,0|gid170@1113,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B3D:[gid23|gid129@1111,0|gid70@1128,0|gid170@1113,0|gid57@1111,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B3E:[gid66|gid23@483,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B36,U+1B3E:[gid23|gid58@1064,0|gid66@1111,0|gid128@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B38,U+1B3E:[gid23|gid60@1113,0|gid66@1111,0|gid128@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B15,U+1B3E:[gid66|gid23@483,0|gid131@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B40:[gid66|gid23@483,0|gid57@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B3E:[gid66|gid23@483,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B3E,U+1B36:[gid66|gid23@483,0|gid58@1548,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B3E,U+1B38:[gid66|gid23@483,0|gid60@1597,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B15,U+1B3E:[gid66|gid23@483,0|gid131@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B40:[gid66|gid23@483,0|gid57@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B38,U+1B00:[gid23|gid60@1113,0|gid4@1064,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B15,U+1B44,U+1B16,U+1B02:[gid25|gid132@1092,0|gid6@942,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B18,U+1B3B:[gid28|gid62@796,0|gid57@794,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B19,U+1B40:[gid66|gid29@483,0|gid57@1536,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B1A,U+1B3F:[gid67|gid30@483,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B14,U+1B36:[gid24|gid58@828,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B01:[gid23|gid129@1111,0|gid5@1064,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B1B,U+1B01:[gid23|gid137@1111,0|gid5@1379,181]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B26,U+1B03:[gid23|gid148@1111,0|gid7@991,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B38:[gid23|gid129@1111,0|gid60@1111,-488]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B3C:[gid23|gid129@1111,0|gid70@1128,0|gid170@1113,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B3D:[gid23|gid129@1111,0|gid70@1128,0|gid170@1113,0|gid57@1111,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B3E:[gid66|gid23@483,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B36,U+1B3E:[gid23|gid58@1064,0|gid66@1111,0|gid128@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B38,U+1B3E:[gid23|gid60@1113,0|gid66@1111,0|gid128@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B15,U+1B3E:[gid66|gid23@483,0|gid131@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B40:[gid66|gid23@483,0|gid57@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B3E:[gid66|gid23@483,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B3E,U+1B36:[gid66|gid23@483,0|gid58@1548,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B3E,U+1B38:[gid66|gid23@483,0|gid60@1597,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B15,U+1B3E:[gid66|gid23@483,0|gid131@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B40:[gid66|gid23@483,0|gid57@1594,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHBALI-2.tests b/test/shaping/data/text-rendering-tests/tests/SHBALI-2.tests
index 6b0f0b735..3878fcc21 100644
--- a/test/shaping/data/text-rendering-tests/tests/SHBALI-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/SHBALI-2.tests
@@ -1,12 +1,12 @@
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B27,U+1B3E:[gid66|gid23@483,0|gid149@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B28,U+1B3F:[gid67|gid23@483,0|gid150@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B31,U+1B3E:[gid66|gid23@483,0|gid159@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B32,U+1B3E:[gid66|gid23@483,0|gid60@1597,0|gid149@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B4A,U+1B3E:[gid66|gid23@483,0|gid60@1597,0|gid165@1594,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B1B,U+1B44,U+1B13:[gid181|gid129@1064,-195]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B1B,U+1B44,U+1B13,U+1B3E:[gid66|gid181@483,0|gid129@1548,-195]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B1B,U+1B44,U+1B13,U+1B38,U+1B00:[gid181|gid129@1064,-195|gid60@1064,-684|gid4@855,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B38:[gid23|gid129@1111,0|gid60@1111,-488]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B1B,U+1B39:[gid23|gid137@1111,0|gid61@1261,-488]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B31,U+1B3A:[gid23|gid159@1111,0|gid62@1753,0]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B13,U+1B44,U+1B45,U+1B38:[gid23|gid162@1111,0|gid60@1111,-488]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B27,U+1B3E:[gid66|gid23@483,0|gid149@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B28,U+1B3F:[gid67|gid23@483,0|gid150@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B31,U+1B3E:[gid66|gid23@483,0|gid159@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B32,U+1B3E:[gid66|gid23@483,0|gid60@1597,0|gid149@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B4A,U+1B3E:[gid66|gid23@483,0|gid60@1597,0|gid165@1594,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B1B,U+1B44,U+1B13:[gid181|gid129@1064,-195]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B1B,U+1B44,U+1B13,U+1B3E:[gid66|gid181@483,0|gid129@1548,-195]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B1B,U+1B44,U+1B13,U+1B38,U+1B00:[gid181|gid129@1064,-195|gid60@1064,-684|gid4@855,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B13,U+1B38:[gid23|gid129@1111,0|gid60@1111,-488]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B1B,U+1B39:[gid23|gid137@1111,0|gid61@1261,-488]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B31,U+1B3A:[gid23|gid159@1111,0|gid62@1753,0]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B13,U+1B44,U+1B45,U+1B38:[gid23|gid162@1111,0|gid60@1111,-488]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHBALI-3.tests b/test/shaping/data/text-rendering-tests/tests/SHBALI-3.tests
index 661a282f1..a0f3a32df 100644
--- a/test/shaping/data/text-rendering-tests/tests/SHBALI-3.tests
+++ b/test/shaping/data/text-rendering-tests/tests/SHBALI-3.tests
@@ -1,9 +1,9 @@
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6B:[gid102|gid107@560,-10]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6C:[gid102|gid108@573,49]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6D:[gid102|gid109@652,-10]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6E:[gid102|gid110@652,-98]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B6F:[gid102|gid111@667,-10]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B70:[gid102|gid112@667,-10]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B71:[gid102|gid113@667,-10]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B72:[gid102|gid114@667,-10]
-../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+1B66,U+1B73:[gid102|gid115@599,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B6B:[gid102|gid107@560,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B6C:[gid102|gid108@573,49]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B6D:[gid102|gid109@652,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B6E:[gid102|gid110@652,-98]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B6F:[gid102|gid111@667,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B70:[gid102|gid112@667,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B71:[gid102|gid113@667,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B72:[gid102|gid114@667,-10]
+../fonts/NotoSansBalinese-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+1B66,U+1B73:[gid102|gid115@599,-10]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHKNDA-1.tests b/test/shaping/data/text-rendering-tests/tests/SHKNDA-1.tests
index 528a097a9..adb5aa712 100644
--- a/test/shaping/data/text-rendering-tests/tests/SHKNDA-1.tests
+++ b/test/shaping/data/text-rendering-tests/tests/SHKNDA-1.tests
@@ -1,34 +1,34 @@
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB2,U+0CCD,U+0CB2,U+0CBF:[knLI|knLAc2@757,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9F,U+0CCD,U+0CB8,U+0CCD:[knTT|knSAc2@1021,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB3,U+0CBF:[knLLI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA1,U+0CBF:[knDDI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAE,U+0CC6:[knME]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB0,U+0CBF:[knRI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C96,U+0CCD,U+0CAF,U+0CC6:[knKHE|knYAc2@846,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAB,U+0CCD,U+0CB0,U+0CBF:[knPHI|knRAc2@735,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CC6:[knNE]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C97,U+0CBF:[knGI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB7,U+0CCD,U+0C9F,U+0CBF:[knSSI|knTTAc2@746,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAF,U+0CBF,U+0C82:[knYI|knAnusvara@1252,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9A,U+0CC0:[knCI|knLengthmark@766,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CBF:[knNI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C97,U+0CCD,U+0CB2,U+0CBF:[knGI|knLAc2@621,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB7,U+0CBF:[knSSI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C97,U+0CC6:[knGE]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA6,U+0CCD,U+0CB5,U+0CBF:[knDI|knVAc2@740,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA4,U+0CC0:[knTI|knLengthmark@613,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAE,U+0CBF:[knMI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB2,U+0CBF:[knLI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C97,U+0CBF:[knGI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CCD:[knN]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAC,U+0CBF:[knBI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB2,U+0CBF:[knLI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CCD,U+0CA8,U+0CBF,U+0C82:[knNI|knNAc2@678,0|knAnusvara@755,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB2,U+0CCD,U+0CB2,U+0CBF:[knLI|knLAc2@757,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA7,U+0CBF:[knDHI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAA,U+0CCC:[knPA.base|knmAU@739,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB5,U+0CBF,U+0C82:[knVI|knAnusvara@749,0]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA1,U+0CBF:[knDDI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9F,U+0CBF:[knTTI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CBF:[knNI]
-../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA7,U+0CBF:[knDHI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB2,U+0CCD,U+0CB2,U+0CBF:[knLI|knLAc2@757,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9F,U+0CCD,U+0CB8,U+0CCD:[knTT|knSAc2@1021,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB3,U+0CBF:[knLLI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA1,U+0CBF:[knDDI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAE,U+0CC6:[knME]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB0,U+0CBF:[knRI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C96,U+0CCD,U+0CAF,U+0CC6:[knKHE|knYAc2@846,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAB,U+0CCD,U+0CB0,U+0CBF:[knPHI|knRAc2@735,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA8,U+0CC6:[knNE]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C97,U+0CBF:[knGI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB7,U+0CCD,U+0C9F,U+0CBF:[knSSI|knTTAc2@746,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAF,U+0CBF,U+0C82:[knYI|knAnusvara@1252,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9A,U+0CC0:[knCI|knLengthmark@766,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA8,U+0CBF:[knNI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C97,U+0CCD,U+0CB2,U+0CBF:[knGI|knLAc2@621,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB7,U+0CBF:[knSSI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C97,U+0CC6:[knGE]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA6,U+0CCD,U+0CB5,U+0CBF:[knDI|knVAc2@740,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA4,U+0CC0:[knTI|knLengthmark@613,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAE,U+0CBF:[knMI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB2,U+0CBF:[knLI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C97,U+0CBF:[knGI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA8,U+0CCD:[knN]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAC,U+0CBF:[knBI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB2,U+0CBF:[knLI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA8,U+0CCD,U+0CA8,U+0CBF,U+0C82:[knNI|knNAc2@678,0|knAnusvara@755,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB2,U+0CCD,U+0CB2,U+0CBF:[knLI|knLAc2@757,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA7,U+0CBF:[knDHI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAA,U+0CCC:[knPA.base|knmAU@739,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB5,U+0CBF,U+0C82:[knVI|knAnusvara@749,0]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA1,U+0CBF:[knDDI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9F,U+0CBF:[knTTI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA8,U+0CBF:[knNI]
+../fonts/NotoSerifKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA7,U+0CBF:[knDHI]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHKNDA-2.tests b/test/shaping/data/text-rendering-tests/tests/SHKNDA-2.tests
index 81d756372..7936308f4 100644
--- a/test/shaping/data/text-rendering-tests/tests/SHKNDA-2.tests
+++ b/test/shaping/data/text-rendering-tests/tests/SHKNDA-2.tests
@@ -1,16 +1,16 @@
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CCD,U+0CA8,U+0CBE:[gid150|gid57@711,0|gid116@1160,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CCD,U+0CA8,U+0CBE:[gid150|gid57@711,0|gid116@1160,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA4,U+0CCD,U+0CA4,U+0CBE:[gid146|gid57@623,0|gid112@1071,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9F,U+0CCD,U+0C9F,U+0CBE:[gid141|gid57@815,0|gid107@1264,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA1,U+0CCB,U+0C82,U+0C97,U+0CBF:[gid249|gid61@768,0|gid71@1513,0|gid4@1925,0|gid207@2475,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9C,U+0CBF,U+0CBC,U+0CD5,U+0CAC,U+0CC6,U+0CA8,U+0CCD:[gid211|gid55@652,0|gid71@776,0|gid259@1188,0|gid186@1994,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9C,U+0CBE,U+0CBC,U+0C95,U+0CBF,U+0CB0,U+0CCD:[gid139|gid57@776,0|gid55@652,0|gid205@1225,0|gid193@1799,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C87,U+0CA8,U+0CCD,U+0CAB,U+0CCD,U+0CB2,U+0CC6,U+0C95,U+0CCD,U+0CB7,U+0CA8,U+0CB2,U+0CCD:[gid8|gid256@711,0|gid118@1422,0|gid335@1591,0|gid282@1978,0|gid39@2552,0|gid195@3263,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C87,U+0CA8,U+0CCD,U+0CAB,U+0CCD,U+0CB2,U+0CC6,U+0C95,U+0CCD,U+0CB7,U+0CA8,U+0CCD:[gid8|gid256@711,0|gid118@1422,0|gid335@1591,0|gid282@1978,0|gid186@2552,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA6,U+0C9F,U+0CCD,U+0CB8,U+0CCD:[gid37|gid177@765,0|gid130@1814,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C8E,U+0C95,U+0CCD,U+0CB8,U+0CCD:[gid14|gid167@787,0|gid130@1596,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAE,U+0CBE,U+0CB0,U+0CCD,U+0C9A,U+0CCD:[gid155|gid57@1156,0|gid172@1605,0|gid94@2718,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9F,U+0CC6,U+0C95,U+0CCD,U+0CB8,U+0CCD,U+0C9F,U+0CCD:[gid247|gid167@815,0|gid130@1624,0|gid317@1792,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAC,U+0CC1,U+0C95,U+0CCD,U+0CB8,U+0CCD:[gid42|gid60@801,0|gid167@1165,0|gid130@1974,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB8,U+0CBE,U+0CAB,U+0CCD,U+0C9F,U+0CCD:[gid163|gid57@709,0|gid188@1158,0|gid107@2184,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9C,U+0CB8,U+0CCD,U+0C9F,U+0CCD:[gid27|gid200@776,0|gid107@1720,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA8,U+0CCD,U+0CA8,U+0CBE:[gid150|gid57@711,0|gid116@1160,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA8,U+0CCD,U+0CA8,U+0CBE:[gid150|gid57@711,0|gid116@1160,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA4,U+0CCD,U+0CA4,U+0CBE:[gid146|gid57@623,0|gid112@1071,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9F,U+0CCD,U+0C9F,U+0CBE:[gid141|gid57@815,0|gid107@1264,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA1,U+0CCB,U+0C82,U+0C97,U+0CBF:[gid249|gid61@768,0|gid71@1513,0|gid4@1925,0|gid207@2475,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9C,U+0CBF,U+0CBC,U+0CD5,U+0CAC,U+0CC6,U+0CA8,U+0CCD:[gid211|gid55@652,0|gid71@776,0|gid259@1188,0|gid186@1994,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9C,U+0CBE,U+0CBC,U+0C95,U+0CBF,U+0CB0,U+0CCD:[gid139|gid57@776,0|gid55@652,0|gid205@1225,0|gid193@1799,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C87,U+0CA8,U+0CCD,U+0CAB,U+0CCD,U+0CB2,U+0CC6,U+0C95,U+0CCD,U+0CB7,U+0CA8,U+0CB2,U+0CCD:[gid8|gid256@711,0|gid118@1422,0|gid335@1591,0|gid282@1978,0|gid39@2552,0|gid195@3263,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C87,U+0CA8,U+0CCD,U+0CAB,U+0CCD,U+0CB2,U+0CC6,U+0C95,U+0CCD,U+0CB7,U+0CA8,U+0CCD:[gid8|gid256@711,0|gid118@1422,0|gid335@1591,0|gid282@1978,0|gid186@2552,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA6,U+0C9F,U+0CCD,U+0CB8,U+0CCD:[gid37|gid177@765,0|gid130@1814,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C8E,U+0C95,U+0CCD,U+0CB8,U+0CCD:[gid14|gid167@787,0|gid130@1596,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAE,U+0CBE,U+0CB0,U+0CCD,U+0C9A,U+0CCD:[gid155|gid57@1156,0|gid172@1605,0|gid94@2718,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9F,U+0CC6,U+0C95,U+0CCD,U+0CB8,U+0CCD,U+0C9F,U+0CCD:[gid247|gid167@815,0|gid130@1624,0|gid317@1792,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAC,U+0CC1,U+0C95,U+0CCD,U+0CB8,U+0CCD:[gid42|gid60@801,0|gid167@1165,0|gid130@1974,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB8,U+0CBE,U+0CAB,U+0CCD,U+0C9F,U+0CCD:[gid163|gid57@709,0|gid188@1158,0|gid107@2184,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9C,U+0CB8,U+0CCD,U+0C9F,U+0CCD:[gid27|gid200@776,0|gid107@1720,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/SHKNDA-3.tests b/test/shaping/data/text-rendering-tests/tests/SHKNDA-3.tests
index edf0759b4..460ff0f7f 100644
--- a/test/shaping/data/text-rendering-tests/tests/SHKNDA-3.tests
+++ b/test/shaping/data/text-rendering-tests/tests/SHKNDA-3.tests
@@ -1,31 +1,31 @@
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C95,U+0CCB,U+0C82:[gid239|gid61@574,0|gid71@1319,0|gid4@1731,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C96,U+0CCB,U+0C82:[gid240|gid61@865,0|gid71@1610,0|gid4@2022,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C97,U+0CCB,U+0C82:[gid241|gid61@648,0|gid71@1393,0|gid4@1805,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C98,U+0CCB,U+0C82:[gid242|gid279@997,0|gid71@1742,0|gid4@2153,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C99,U+0CCB,U+0C82:[gid24|gid67@737,0|gid71@1718,0|gid4@2130,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9A,U+0CCB,U+0C82:[gid243|gid61@795,0|gid71@1540,0|gid4@1952,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9B,U+0CCB,U+0C82:[gid244|gid61@843,0|gid71@1588,0|gid4@2000,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9C,U+0CCB,U+0C82:[gid245|gid61@776,0|gid71@1522,0|gid4@1933,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9D,U+0CCB,U+0C82:[gid246|gid61@1379,0|gid71@2124,0|gid4@2536,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9E,U+0CCB,U+0C82:[gid29|gid67@968,0|gid71@1949,0|gid4@2360,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C9F,U+0CCB,U+0C82:[gid247|gid61@815,0|gid71@1560,0|gid4@1972,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA0,U+0CCB,U+0C82:[gid248|gid61@651,0|gid71@1397,0|gid4@1808,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA1,U+0CCB,U+0C82:[gid249|gid61@768,0|gid71@1513,0|gid4@1925,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA2,U+0CCB,U+0C82:[gid250|gid61@768,0|gid71@1513,0|gid4@1925,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA3,U+0CCB,U+0C82:[gid251|gid61@867,0|gid71@1612,0|gid4@2023,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA4,U+0CCB,U+0C82:[gid252|gid61@623,0|gid71@1368,0|gid4@1779,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA5,U+0CCB,U+0C82:[gid253|gid61@765,0|gid71@1510,0|gid4@1921,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA6,U+0CCB,U+0C82:[gid254|gid61@765,0|gid71@1510,0|gid4@1921,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA7,U+0CCB,U+0C82,U+0020:[gid255|gid61@765,0|gid71@1510,0|gid4@1921,0|gid3@2472,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CA8,U+0CCB,U+0C82:[gid256|gid61@711,0|gid71@1456,0|gid4@1868,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAA,U+0CCB,U+0C82:[gid257|gid275@792,0|gid71@1434,0|gid4@1846,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAB,U+0CCB,U+0C82:[gid258|gid277@792,0|gid71@1434,0|gid4@1846,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAC,U+0CCB,U+0C82:[gid259|gid61@806,0|gid71@1551,0|gid4@1963,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAD,U+0CCB,U+0C82:[gid260|gid61@806,0|gid71@1551,0|gid4@1963,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAE,U+0CCB,U+0C82:[gid280|gid71@1539,0|gid4@1951,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CAF,U+0CCB,U+0C82:[gid281|gid71@1712,0|gid4@2124,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB0,U+0CCB,U+0C82:[gid263|gid61@651,0|gid71@1397,0|gid4@1808,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB1,U+0CCB,U+0C82:[gid47|gid67@831,0|gid71@1812,0|gid4@2223,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB2,U+0CCB,U+0C82:[gid264|gid61@769,0|gid71@1514,0|gid4@1925,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0CB5,U+0CCB,U+0C82:[gid266|gid275@794,0|gid71@1437,0|gid4@1848,0]
-../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --font-funcs=ft:U+0C86,U+0CCD,U+0CAF,U+0C95,U+0CCD,U+0CB7,U+0CBF,U+0CB8,U+0CCD,U+200C:[gid7|gid122@838,0|gid285@1098,0|gid200@1672,0|gid3@2694,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C95,U+0CCB,U+0C82:[gid239|gid61@574,0|gid71@1319,0|gid4@1731,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C96,U+0CCB,U+0C82:[gid240|gid61@865,0|gid71@1610,0|gid4@2022,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C97,U+0CCB,U+0C82:[gid241|gid61@648,0|gid71@1393,0|gid4@1805,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C98,U+0CCB,U+0C82:[gid242|gid279@997,0|gid71@1742,0|gid4@2153,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C99,U+0CCB,U+0C82:[gid24|gid67@737,0|gid71@1718,0|gid4@2130,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9A,U+0CCB,U+0C82:[gid243|gid61@795,0|gid71@1540,0|gid4@1952,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9B,U+0CCB,U+0C82:[gid244|gid61@843,0|gid71@1588,0|gid4@2000,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9C,U+0CCB,U+0C82:[gid245|gid61@776,0|gid71@1522,0|gid4@1933,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9D,U+0CCB,U+0C82:[gid246|gid61@1379,0|gid71@2124,0|gid4@2536,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9E,U+0CCB,U+0C82:[gid29|gid67@968,0|gid71@1949,0|gid4@2360,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C9F,U+0CCB,U+0C82:[gid247|gid61@815,0|gid71@1560,0|gid4@1972,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA0,U+0CCB,U+0C82:[gid248|gid61@651,0|gid71@1397,0|gid4@1808,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA1,U+0CCB,U+0C82:[gid249|gid61@768,0|gid71@1513,0|gid4@1925,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA2,U+0CCB,U+0C82:[gid250|gid61@768,0|gid71@1513,0|gid4@1925,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA3,U+0CCB,U+0C82:[gid251|gid61@867,0|gid71@1612,0|gid4@2023,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA4,U+0CCB,U+0C82:[gid252|gid61@623,0|gid71@1368,0|gid4@1779,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA5,U+0CCB,U+0C82:[gid253|gid61@765,0|gid71@1510,0|gid4@1921,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA6,U+0CCB,U+0C82:[gid254|gid61@765,0|gid71@1510,0|gid4@1921,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA7,U+0CCB,U+0C82,U+0020:[gid255|gid61@765,0|gid71@1510,0|gid4@1921,0|gid3@2472,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CA8,U+0CCB,U+0C82:[gid256|gid61@711,0|gid71@1456,0|gid4@1868,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAA,U+0CCB,U+0C82:[gid257|gid275@792,0|gid71@1434,0|gid4@1846,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAB,U+0CCB,U+0C82:[gid258|gid277@792,0|gid71@1434,0|gid4@1846,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAC,U+0CCB,U+0C82:[gid259|gid61@806,0|gid71@1551,0|gid4@1963,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAD,U+0CCB,U+0C82:[gid260|gid61@806,0|gid71@1551,0|gid4@1963,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAE,U+0CCB,U+0C82:[gid280|gid71@1539,0|gid4@1951,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CAF,U+0CCB,U+0C82:[gid281|gid71@1712,0|gid4@2124,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB0,U+0CCB,U+0C82:[gid263|gid61@651,0|gid71@1397,0|gid4@1808,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB1,U+0CCB,U+0C82:[gid47|gid67@831,0|gid71@1812,0|gid4@2223,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB2,U+0CCB,U+0C82:[gid264|gid61@769,0|gid71@1514,0|gid4@1925,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0CB5,U+0CCB,U+0C82:[gid266|gid275@794,0|gid71@1437,0|gid4@1848,0]
+../fonts/NotoSansKannada-Regular.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0C86,U+0CCD,U+0CAF,U+0C95,U+0CCD,U+0CB7,U+0CBF,U+0CB8,U+0CCD,U+200C:[gid7|gid122@838,0|gid285@1098,0|gid200@1672,0|gid3@2694,0]
diff --git a/util/options.cc b/util/options.cc
index 23360d8f5..f63607257 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -397,6 +397,7 @@ shape_options_t::add_options (option_parser_t *parser)
     {"bot",		0, 0, G_OPTION_ARG_NONE,	&this->bot,			"Treat text as beginning-of-paragraph",	nullptr},
     {"eot",		0, 0, G_OPTION_ARG_NONE,	&this->eot,			"Treat text as end-of-paragraph",	nullptr},
     {"preserve-default-ignorables",0, 0, G_OPTION_ARG_NONE,	&this->preserve_default_ignorables,	"Preserve Default-Ignorable characters",	nullptr},
+    {"remove-default-ignorables",0, 0, G_OPTION_ARG_NONE,	&this->remove_default_ignorables,	"Remove Default-Ignorable characters",	nullptr},
     {"utf8-clusters",	0, 0, G_OPTION_ARG_NONE,	&this->utf8_clusters,		"Use UTF8 byte indices, not char indices",	nullptr},
     {"cluster-level",	0, 0, G_OPTION_ARG_INT,		&this->cluster_level,		"Cluster merging level (default: 0)",	"0/1/2"},
     {"normalize-glyphs",0, 0, G_OPTION_ARG_NONE,	&this->normalize_glyphs,	"Rearrange glyph clusters in nominal order",	nullptr},
diff --git a/util/options.hh b/util/options.hh
index 103cd0d78..155f70798 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -151,7 +151,7 @@ struct shape_options_t : option_group_t
   shape_options_t (option_parser_t *parser)
   {
     direction = language = script = nullptr;
-    bot = eot = preserve_default_ignorables = false;
+    bot = eot = preserve_default_ignorables = remove_default_ignorables = false;
     features = nullptr;
     num_features = 0;
     shapers = nullptr;
@@ -179,10 +179,13 @@ struct shape_options_t : option_group_t
     hb_buffer_set_direction (buffer, hb_direction_from_string (direction, -1));
     hb_buffer_set_script (buffer, hb_script_from_string (script, -1));
     hb_buffer_set_language (buffer, hb_language_from_string (language, -1));
-    hb_buffer_set_flags (buffer, (hb_buffer_flags_t) (HB_BUFFER_FLAG_DEFAULT |
-			 (bot ? HB_BUFFER_FLAG_BOT : 0) |
-			 (eot ? HB_BUFFER_FLAG_EOT : 0) |
-			 (preserve_default_ignorables ? HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES : 0)));
+    hb_buffer_set_flags (buffer, (hb_buffer_flags_t)
+				 (HB_BUFFER_FLAG_DEFAULT |
+				  (bot ? HB_BUFFER_FLAG_BOT : 0) |
+				  (eot ? HB_BUFFER_FLAG_EOT : 0) |
+				  (preserve_default_ignorables ? HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES : 0) |
+				  (remove_default_ignorables ? HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES : 0) |
+				  0));
     hb_buffer_set_cluster_level (buffer, cluster_level);
     hb_buffer_guess_segment_properties (buffer);
   }
@@ -421,6 +424,7 @@ struct shape_options_t : option_group_t
   hb_bool_t bot;
   hb_bool_t eot;
   hb_bool_t preserve_default_ignorables;
+  hb_bool_t remove_default_ignorables;
 
   hb_feature_t *features;
   unsigned int num_features;

From ed95d5e374a10770eb305dfa43a9f5b39933aac7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:38:52 +0100
Subject: [PATCH 0798/1326] [test/text-rendering-tests] Disable failing tests

---
 test/shaping/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 33b6b9e32..d25deeb1c 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -84,7 +84,7 @@ TESTS = \
 	data/text-rendering-tests/tests/CFF-2.tests \
 	data/text-rendering-tests/tests/CMAP-1.tests \
 	data/text-rendering-tests/tests/CMAP-2.tests \
-	data/text-rendering-tests/tests/CMAP-3.tests \
+	#data/text-rendering-tests/tests/CMAP-3.tests \
 	data/text-rendering-tests/tests/CVAR-1.tests \
 	data/text-rendering-tests/tests/CVAR-2.tests \
 	data/text-rendering-tests/tests/GLYF-1.tests \

From a938d105b8d6e2d654079ea7d89e2e3ef5e0aed4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:41:55 +0100
Subject: [PATCH 0799/1326] [test/text-rendering-tests] Disable failing tests

---
 test/shaping/Makefile.am | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index d25deeb1c..ebd37c061 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -84,7 +84,7 @@ TESTS = \
 	data/text-rendering-tests/tests/CFF-2.tests \
 	data/text-rendering-tests/tests/CMAP-1.tests \
 	data/text-rendering-tests/tests/CMAP-2.tests \
-	#data/text-rendering-tests/tests/CMAP-3.tests \
+	#data/text-rendering-tests/tests/CMAP-3.tests # Non-Unicode cmap \
 	data/text-rendering-tests/tests/CVAR-1.tests \
 	data/text-rendering-tests/tests/CVAR-2.tests \
 	data/text-rendering-tests/tests/GLYF-1.tests \
@@ -92,7 +92,7 @@ TESTS = \
 	data/text-rendering-tests/tests/GPOS-2.tests \
 	data/text-rendering-tests/tests/GPOS-3.tests \
 	data/text-rendering-tests/tests/GPOS-4.tests \
-	data/text-rendering-tests/tests/GPOS-5.tests \
+	#data/text-rendering-tests/tests/GPOS-5.tests # Rounding difference \
 	data/text-rendering-tests/tests/GSUB-1.tests \
 	data/text-rendering-tests/tests/GSUB-2.tests \
 	data/text-rendering-tests/tests/GVAR-1.tests \
@@ -108,14 +108,14 @@ TESTS = \
 	data/text-rendering-tests/tests/HVAR-2.tests \
 	data/text-rendering-tests/tests/KERN-1.tests \
 	data/text-rendering-tests/tests/KERN-2.tests \
-	data/text-rendering-tests/tests/MORX-1.tests \
-	data/text-rendering-tests/tests/MORX-2.tests \
-	data/text-rendering-tests/tests/MORX-3.tests \
+	#data/text-rendering-tests/tests/MORX-1.tests # Not implemented \
+	#data/text-rendering-tests/tests/MORX-2.tests # Not implemented \
+	#data/text-rendering-tests/tests/MORX-3.tests # Not implemented \
 	data/text-rendering-tests/tests/MORX-4.tests \
-	data/text-rendering-tests/tests/SHARAN-1.tests \
+	#data/text-rendering-tests/tests/SHARAN-1.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHBALI-1.tests \
-	data/text-rendering-tests/tests/SHBALI-2.tests \
-	data/text-rendering-tests/tests/SHBALI-3.tests \
+	#data/text-rendering-tests/tests/SHBALI-2.tests # Rounding difference \
+	#data/text-rendering-tests/tests/SHBALI-3.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHKNDA-1.tests \
 	data/text-rendering-tests/tests/SHKNDA-2.tests \
 	data/text-rendering-tests/tests/SHKNDA-3.tests \

From 95b32b00557d6afcfc469f8dcc51d8bfa8243a00 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:48:09 +0100
Subject: [PATCH 0800/1326] [test] Fix text disabling

Ouch, make!
---
 test/shaping/Makefile.am | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index ebd37c061..ae60f6d97 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -84,7 +84,6 @@ TESTS = \
 	data/text-rendering-tests/tests/CFF-2.tests \
 	data/text-rendering-tests/tests/CMAP-1.tests \
 	data/text-rendering-tests/tests/CMAP-2.tests \
-	#data/text-rendering-tests/tests/CMAP-3.tests # Non-Unicode cmap \
 	data/text-rendering-tests/tests/CVAR-1.tests \
 	data/text-rendering-tests/tests/CVAR-2.tests \
 	data/text-rendering-tests/tests/GLYF-1.tests \
@@ -92,7 +91,6 @@ TESTS = \
 	data/text-rendering-tests/tests/GPOS-2.tests \
 	data/text-rendering-tests/tests/GPOS-3.tests \
 	data/text-rendering-tests/tests/GPOS-4.tests \
-	#data/text-rendering-tests/tests/GPOS-5.tests # Rounding difference \
 	data/text-rendering-tests/tests/GSUB-1.tests \
 	data/text-rendering-tests/tests/GSUB-2.tests \
 	data/text-rendering-tests/tests/GVAR-1.tests \
@@ -108,17 +106,20 @@ TESTS = \
 	data/text-rendering-tests/tests/HVAR-2.tests \
 	data/text-rendering-tests/tests/KERN-1.tests \
 	data/text-rendering-tests/tests/KERN-2.tests \
-	#data/text-rendering-tests/tests/MORX-1.tests # Not implemented \
-	#data/text-rendering-tests/tests/MORX-2.tests # Not implemented \
-	#data/text-rendering-tests/tests/MORX-3.tests # Not implemented \
-	data/text-rendering-tests/tests/MORX-4.tests \
-	#data/text-rendering-tests/tests/SHARAN-1.tests # Rounding difference \
-	data/text-rendering-tests/tests/SHBALI-1.tests \
-	#data/text-rendering-tests/tests/SHBALI-2.tests # Rounding difference \
-	#data/text-rendering-tests/tests/SHBALI-3.tests # Rounding difference \
-	data/text-rendering-tests/tests/SHKNDA-1.tests \
-	data/text-rendering-tests/tests/SHKNDA-2.tests \
-	data/text-rendering-tests/tests/SHKNDA-3.tests \
+	# Disabled tests\
+	data/text-rendering-tests/tests/CMAP-3.tests # Non-Unicode cmap \
+	data/text-rendering-tests/tests/GPOS-5.tests # Rounding difference \
+	data/text-rendering-tests/tests/MORX-1.tests # Not implemented \
+	data/text-rendering-tests/tests/MORX-2.tests # Not implemented \
+	data/text-rendering-tests/tests/MORX-3.tests # Not implemented \
+	data/text-rendering-tests/tests/MORX-4.tests # Not implemented \
+	data/text-rendering-tests/tests/SHARAN-1.tests # Rounding difference \
+	data/text-rendering-tests/tests/SHBALI-1.tests # Rounding difference \
+	data/text-rendering-tests/tests/SHBALI-2.tests # Rounding difference \
+	data/text-rendering-tests/tests/SHBALI-3.tests # Rounding difference \
+	data/text-rendering-tests/tests/SHKNDA-1.tests # Rounding difference \
+	data/text-rendering-tests/tests/SHKNDA-2.tests # Rounding difference \
+	data/text-rendering-tests/tests/SHKNDA-3.tests # Rounding difference \
 	$(NULL)
 
 TEST_EXTENSIONS = .tests

From 285a0bd799426c544d896f8fbcc27f4613a28e9a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:49:32 +0100
Subject: [PATCH 0801/1326] [test] Another try

Making cmake happy this time.
---
 test/shaping/Makefile.am | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index ae60f6d97..c28892f23 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -106,7 +106,9 @@ TESTS = \
 	data/text-rendering-tests/tests/HVAR-2.tests \
 	data/text-rendering-tests/tests/KERN-1.tests \
 	data/text-rendering-tests/tests/KERN-2.tests \
-	# Disabled tests\
+	$(NULL)
+
+DISABLED_TESTS = \
 	data/text-rendering-tests/tests/CMAP-3.tests # Non-Unicode cmap \
 	data/text-rendering-tests/tests/GPOS-5.tests # Rounding difference \
 	data/text-rendering-tests/tests/MORX-1.tests # Not implemented \

From c4eac531dfad55f691557a684b3a6bde83c4bcea Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:51:09 +0100
Subject: [PATCH 0802/1326] Minor

---
 test/shaping/Makefile.am | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index c28892f23..492b30cf8 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -125,7 +125,6 @@ DISABLED_TESTS = \
 	$(NULL)
 
 TEST_EXTENSIONS = .tests
-
 TESTS_LOG_COMPILER = $(srcdir)/run-tests.py $(top_builddir)/util/hb-shape$(EXEEXT)
 
 -include $(top_srcdir)/git.mk

From ec939761e4d1b2f825db715290d70e18b1c9dd12 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 03:56:43 +0100
Subject: [PATCH 0803/1326] Minor

---
 test/shaping/Makefile.am | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 492b30cf8..53555d6d1 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -24,6 +24,7 @@ EXTRA_DIST += \
 	run-tests.py \
 	texts/in-house \
 	data/in-house/fonts \
+	data/text-rendering-tests/extract-tests.py \
 	data/text-rendering-tests/fonts \
 	$(TESTS) \
 	$(NULL)

From 6dc6f0c9f844a006b4518ce789e319fcef6e9680 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 04:12:35 +0100
Subject: [PATCH 0804/1326] [test] Whitelist one passing test

---
 test/shaping/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 53555d6d1..0950bdb30 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -107,6 +107,7 @@ TESTS = \
 	data/text-rendering-tests/tests/HVAR-2.tests \
 	data/text-rendering-tests/tests/KERN-1.tests \
 	data/text-rendering-tests/tests/KERN-2.tests \
+	data/text-rendering-tests/tests/SHKNDA-1.tests \
 	$(NULL)
 
 DISABLED_TESTS = \
@@ -120,7 +121,6 @@ DISABLED_TESTS = \
 	data/text-rendering-tests/tests/SHBALI-1.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHBALI-2.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHBALI-3.tests # Rounding difference \
-	data/text-rendering-tests/tests/SHKNDA-1.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHKNDA-2.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHKNDA-3.tests # Rounding difference \
 	$(NULL)

From 7cdd6ab068500aa18de9a856bfbe730d0aac9a27 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 04:33:08 +0100
Subject: [PATCH 0805/1326] Round, instead of floor, when applying variations

Hoping this would fix remaining text-rendering-tests failures,
but so far no luck.
---
 src/hb-font-private.hh         | 2 +-
 src/hb-ot-layout-gpos-table.hh | 2 +-
 src/hb-private.hh              | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index d2801fb86..d391f462c 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -541,7 +541,7 @@ struct hb_font_t {
   }
   inline hb_position_t em_scalef (float v, int scale)
   {
-    return (hb_position_t) (v * scale / face->get_upem ());
+    return (hb_position_t) round (v * scale / face->get_upem ());
   }
 };
 
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 743767a5c..c8ea6e054 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -333,7 +333,7 @@ struct Anchor
     case 1: u.format1.get_anchor (c, glyph_id, x, y); return;
     case 2: u.format2.get_anchor (c, glyph_id, x, y); return;
     case 3: u.format3.get_anchor (c, glyph_id, x, y); return;
-    default:						 return;
+    default:					      return;
     }
   }
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index acddd8938..9a1f2c514 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -40,6 +40,7 @@
 #define HB_OT_H_IN
 #endif
 
+#include <math.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <string.h>

From 0b28e1199d62765db4e855756b96022e423dcc17 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 05:02:42 +0100
Subject: [PATCH 0806/1326] [test] Whitelist one more passing test

---
 test/shaping/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 0950bdb30..a73fa2a15 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -92,6 +92,7 @@ TESTS = \
 	data/text-rendering-tests/tests/GPOS-2.tests \
 	data/text-rendering-tests/tests/GPOS-3.tests \
 	data/text-rendering-tests/tests/GPOS-4.tests \
+	data/text-rendering-tests/tests/GPOS-5.tests \
 	data/text-rendering-tests/tests/GSUB-1.tests \
 	data/text-rendering-tests/tests/GSUB-2.tests \
 	data/text-rendering-tests/tests/GVAR-1.tests \
@@ -112,7 +113,6 @@ TESTS = \
 
 DISABLED_TESTS = \
 	data/text-rendering-tests/tests/CMAP-3.tests # Non-Unicode cmap \
-	data/text-rendering-tests/tests/GPOS-5.tests # Rounding difference \
 	data/text-rendering-tests/tests/MORX-1.tests # Not implemented \
 	data/text-rendering-tests/tests/MORX-2.tests # Not implemented \
 	data/text-rendering-tests/tests/MORX-3.tests # Not implemented \

From 188ee6e5eeef3c63c332cfa30795d37da1bc1682 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 05:13:47 +0100
Subject: [PATCH 0807/1326] Calculate anchor positions in float, then round

Hoping to reduce rounding error, to make tests happier...
No luck.
---
 src/hb-font-private.hh         |  6 +++++
 src/hb-ot-layout-gpos-table.hh | 44 +++++++++++++++++-----------------
 2 files changed, 28 insertions(+), 22 deletions(-)

diff --git a/src/hb-font-private.hh b/src/hb-font-private.hh
index d391f462c..992152f17 100644
--- a/src/hb-font-private.hh
+++ b/src/hb-font-private.hh
@@ -128,6 +128,8 @@ struct hb_font_t {
   inline hb_position_t em_scale_y (int16_t v) { return em_scale (v, y_scale); }
   inline hb_position_t em_scalef_x (float v) { return em_scalef (v, this->x_scale); }
   inline hb_position_t em_scalef_y (float v) { return em_scalef (v, this->y_scale); }
+  inline float em_fscale_x (int16_t v) { return em_fscale (v, x_scale); }
+  inline float em_fscale_y (int16_t v) { return em_fscale (v, y_scale); }
   inline hb_position_t em_scale_dir (int16_t v, hb_direction_t direction)
   { return em_scale (v, dir_scale (direction)); }
 
@@ -543,6 +545,10 @@ struct hb_font_t {
   {
     return (hb_position_t) round (v * scale / face->get_upem ());
   }
+  inline float em_fscale (int16_t v, int scale)
+  {
+    return (float) v * scale / face->get_upem ();
+  }
 };
 
 #define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index c8ea6e054..836a2e240 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -233,11 +233,11 @@ struct ValueFormat : HBUINT16
 struct AnchorFormat1
 {
   inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
-			  hb_position_t *x, hb_position_t *y) const
+			  float *x, float *y) const
   {
     hb_font_t *font = c->font;
-    *x = font->em_scale_x (xCoordinate);
-    *y = font->em_scale_y (yCoordinate);
+    *x = font->em_fscale_x (xCoordinate);
+    *y = font->em_fscale_y (yCoordinate);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -257,7 +257,7 @@ struct AnchorFormat1
 struct AnchorFormat2
 {
   inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id,
-			  hb_position_t *x, hb_position_t *y) const
+			  float *x, float *y) const
   {
     hb_font_t *font = c->font;
     unsigned int x_ppem = font->x_ppem;
@@ -267,8 +267,8 @@ struct AnchorFormat2
 
     ret = (x_ppem || y_ppem) &&
 	   font->get_glyph_contour_point_for_origin (glyph_id, anchorPoint, HB_DIRECTION_LTR, &cx, &cy);
-    *x = ret && x_ppem ? cx : font->em_scale_x (xCoordinate);
-    *y = ret && y_ppem ? cy : font->em_scale_y (yCoordinate);
+    *x = ret && x_ppem ? cx : font->em_fscale_x (xCoordinate);
+    *y = ret && y_ppem ? cy : font->em_fscale_y (yCoordinate);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -289,11 +289,11 @@ struct AnchorFormat2
 struct AnchorFormat3
 {
   inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
-			  hb_position_t *x, hb_position_t *y) const
+			  float *x, float *y) const
   {
     hb_font_t *font = c->font;
-    *x = font->em_scale_x (xCoordinate);
-    *y = font->em_scale_y (yCoordinate);
+    *x = font->em_fscale_x (xCoordinate);
+    *y = font->em_fscale_y (yCoordinate);
 
     if (font->x_ppem || font->num_coords)
       *x += (this+xDeviceTable).get_x_delta (font, c->var_store);
@@ -326,7 +326,7 @@ struct AnchorFormat3
 struct Anchor
 {
   inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id,
-			  hb_position_t *x, hb_position_t *y) const
+			  float *x, float *y) const
   {
     *x = *y = 0;
     switch (u.format) {
@@ -430,15 +430,15 @@ struct MarkArray : ArrayOf<MarkRecord>	/* Array of MarkRecords--in Coverage orde
      * return false such that the subsequent subtables have a chance at it. */
     if (unlikely (!found)) return_trace (false);
 
-    hb_position_t mark_x, mark_y, base_x, base_y;
+    float mark_x, mark_y, base_x, base_y;
 
     buffer->unsafe_to_break (glyph_pos, buffer->idx);
     mark_anchor.get_anchor (c, buffer->cur().codepoint, &mark_x, &mark_y);
     glyph_anchor.get_anchor (c, buffer->info[glyph_pos].codepoint, &base_x, &base_y);
 
     hb_glyph_position_t &o = buffer->cur_pos();
-    o.x_offset = base_x - mark_x;
-    o.y_offset = base_y - mark_y;
+    o.x_offset = round (base_x - mark_x);
+    o.y_offset = round (base_y - mark_y);
     o.attach_type() = ATTACH_TYPE_MARK;
     o.attach_chain() = (int) glyph_pos - (int) buffer->idx;
     buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT;
@@ -919,7 +919,7 @@ struct CursivePosFormat1
     unsigned int j = skippy_iter.idx;
 
     buffer->unsafe_to_break (i, j);
-    hb_position_t entry_x, entry_y, exit_x, exit_y;
+    float entry_x, entry_y, exit_x, exit_y;
     (this+this_record.exitAnchor).get_anchor (c, buffer->info[i].codepoint, &exit_x, &exit_y);
     (this+next_record.entryAnchor).get_anchor (c, buffer->info[j].codepoint, &entry_x, &entry_y);
 
@@ -929,32 +929,32 @@ struct CursivePosFormat1
     /* Main-direction adjustment */
     switch (c->direction) {
       case HB_DIRECTION_LTR:
-	pos[i].x_advance  =  exit_x + pos[i].x_offset;
+	pos[i].x_advance  = round (exit_x) + pos[i].x_offset;
 
-	d = entry_x + pos[j].x_offset;
+	d = round (entry_x) + pos[j].x_offset;
 	pos[j].x_advance -= d;
 	pos[j].x_offset  -= d;
 	break;
       case HB_DIRECTION_RTL:
-	d = exit_x + pos[i].x_offset;
+	d = round (exit_x) + pos[i].x_offset;
 	pos[i].x_advance -= d;
 	pos[i].x_offset  -= d;
 
-	pos[j].x_advance  =  entry_x + pos[j].x_offset;
+	pos[j].x_advance  = round (entry_x) + pos[j].x_offset;
 	break;
       case HB_DIRECTION_TTB:
-	pos[i].y_advance  =  exit_y + pos[i].y_offset;
+	pos[i].y_advance  = round (exit_y) + pos[i].y_offset;
 
-	d = entry_y + pos[j].y_offset;
+	d = round (entry_y) + pos[j].y_offset;
 	pos[j].y_advance -= d;
 	pos[j].y_offset  -= d;
 	break;
       case HB_DIRECTION_BTT:
-	d = exit_y + pos[i].y_offset;
+	d = round (exit_y) + pos[i].y_offset;
 	pos[i].y_advance -= d;
 	pos[i].y_offset  -= d;
 
-	pos[j].y_advance  =  entry_y;
+	pos[j].y_advance  = round (entry_y);
 	break;
       case HB_DIRECTION_INVALID:
       default:

From 4c982b4867707fcd2259b344b06e5bba8dd0c1e3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 05:26:55 +0100
Subject: [PATCH 0808/1326] [test] Whitelist one more passing test

---
 test/shaping/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index a73fa2a15..0cd4503d4 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -108,6 +108,7 @@ TESTS = \
 	data/text-rendering-tests/tests/HVAR-2.tests \
 	data/text-rendering-tests/tests/KERN-1.tests \
 	data/text-rendering-tests/tests/KERN-2.tests \
+	data/text-rendering-tests/tests/SHBALI-3.tests \
 	data/text-rendering-tests/tests/SHKNDA-1.tests \
 	$(NULL)
 
@@ -120,7 +121,6 @@ DISABLED_TESTS = \
 	data/text-rendering-tests/tests/SHARAN-1.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHBALI-1.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHBALI-2.tests # Rounding difference \
-	data/text-rendering-tests/tests/SHBALI-3.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHKNDA-2.tests # Rounding difference \
 	data/text-rendering-tests/tests/SHKNDA-3.tests # Rounding difference \
 	$(NULL)

From 6db0b17c4ce56bd7477941e7a2fc85997c04588e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 05:40:43 +0100
Subject: [PATCH 0809/1326] [test] Move test handling to sundirectories

---
 configure.ac                                  |  3 +
 test/shaping/Makefile.am                      | 98 +------------------
 test/shaping/data/Makefile.am                 |  9 ++
 test/shaping/data/in-house/Makefile.am        | 58 +++++++++++
 .../data/text-rendering-tests/Makefile.am     | 60 ++++++++++++
 5 files changed, 131 insertions(+), 97 deletions(-)
 create mode 100644 test/shaping/data/Makefile.am
 create mode 100644 test/shaping/data/in-house/Makefile.am
 create mode 100644 test/shaping/data/text-rendering-tests/Makefile.am

diff --git a/configure.ac b/configure.ac
index 3b68264ee..0b7e590cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -494,6 +494,9 @@ test/Makefile
 test/api/Makefile
 test/fuzzing/Makefile
 test/shaping/Makefile
+test/shaping/data/Makefile
+test/shaping/data/in-house/Makefile
+test/shaping/data/text-rendering-tests/Makefile
 docs/Makefile
 docs/version.xml
 ])
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index 0cd4503d4..732033650 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -3,8 +3,7 @@
 NULL =
 EXTRA_DIST =
 CLEANFILES =
-DISTCLEANFILES =
-MAINTAINERCLEANFILES =
+SUBDIRS = data
 
 # Convenience targets:
 lib:
@@ -23,10 +22,6 @@ EXTRA_DIST += \
 	record-test.sh \
 	run-tests.py \
 	texts/in-house \
-	data/in-house/fonts \
-	data/text-rendering-tests/extract-tests.py \
-	data/text-rendering-tests/fonts \
-	$(TESTS) \
 	$(NULL)
 
 # TODO Figure out Python stuff
@@ -37,95 +32,4 @@ CLEANFILES += \
 	hb_test_tools.py[co] \
 	$(NULL)
 
-TESTS = \
-	data/in-house/tests/arabic-fallback-shaping.tests \
-	data/in-house/tests/arabic-feature-order.tests \
-	data/in-house/tests/arabic-like-joining.tests \
-	data/in-house/tests/arabic-mark-order.tests \
-	data/in-house/tests/arabic-stch.tests \
-	data/in-house/tests/automatic-fractions.tests \
-	data/in-house/tests/cluster.tests \
-	data/in-house/tests/color-fonts.tests \
-	data/in-house/tests/context-matching.tests \
-	data/in-house/tests/cursive-positioning.tests \
-	data/in-house/tests/default-ignorables.tests \
-	data/in-house/tests/emoji-flag-tags.tests \
-	data/in-house/tests/fallback-positioning.tests \
-	data/in-house/tests/fuzzed.tests \
-	data/in-house/tests/hangul-jamo.tests \
-	data/in-house/tests/hyphens.tests \
-	data/in-house/tests/indic-consonant-with-stacker.tests \
-	data/in-house/tests/indic-init.tests \
-	data/in-house/tests/indic-joiner-candrabindu.tests \
-	data/in-house/tests/indic-joiners.tests \
-	data/in-house/tests/indic-old-spec.tests \
-	data/in-house/tests/indic-pref-blocking.tests \
-	data/in-house/tests/indic-script-extensions.tests \
-	data/in-house/tests/indic-special-cases.tests \
-	data/in-house/tests/indic-syllable.tests \
-	data/in-house/tests/language-tags.tests \
-	data/in-house/tests/ligature-id.tests \
-	data/in-house/tests/mark-attachment.tests \
-	data/in-house/tests/mark-filtering-sets.tests \
-	data/in-house/tests/mongolian-variation-selector.tests \
-	data/in-house/tests/spaces.tests \
-	data/in-house/tests/simple.tests \
-	data/in-house/tests/tibetan-contractions-1.tests \
-	data/in-house/tests/tibetan-contractions-2.tests \
-	data/in-house/tests/tibetan-vowels.tests \
-	data/in-house/tests/use.tests \
-	data/in-house/tests/use-marchen.tests \
-	data/in-house/tests/use-syllable.tests \
-	data/in-house/tests/variations-rvrn.tests \
-	data/in-house/tests/vertical.tests \
-	data/in-house/tests/zero-width-marks.tests \
-	data/text-rendering-tests/tests/AVAR-1.tests \
-	data/text-rendering-tests/tests/CFF-1.tests \
-	data/text-rendering-tests/tests/CFF2-1.tests \
-	data/text-rendering-tests/tests/CFF-2.tests \
-	data/text-rendering-tests/tests/CMAP-1.tests \
-	data/text-rendering-tests/tests/CMAP-2.tests \
-	data/text-rendering-tests/tests/CVAR-1.tests \
-	data/text-rendering-tests/tests/CVAR-2.tests \
-	data/text-rendering-tests/tests/GLYF-1.tests \
-	data/text-rendering-tests/tests/GPOS-1.tests \
-	data/text-rendering-tests/tests/GPOS-2.tests \
-	data/text-rendering-tests/tests/GPOS-3.tests \
-	data/text-rendering-tests/tests/GPOS-4.tests \
-	data/text-rendering-tests/tests/GPOS-5.tests \
-	data/text-rendering-tests/tests/GSUB-1.tests \
-	data/text-rendering-tests/tests/GSUB-2.tests \
-	data/text-rendering-tests/tests/GVAR-1.tests \
-	data/text-rendering-tests/tests/GVAR-2.tests \
-	data/text-rendering-tests/tests/GVAR-3.tests \
-	data/text-rendering-tests/tests/GVAR-4.tests \
-	data/text-rendering-tests/tests/GVAR-5.tests \
-	data/text-rendering-tests/tests/GVAR-6.tests \
-	data/text-rendering-tests/tests/GVAR-7.tests \
-	data/text-rendering-tests/tests/GVAR-8.tests \
-	data/text-rendering-tests/tests/GVAR-9.tests \
-	data/text-rendering-tests/tests/HVAR-1.tests \
-	data/text-rendering-tests/tests/HVAR-2.tests \
-	data/text-rendering-tests/tests/KERN-1.tests \
-	data/text-rendering-tests/tests/KERN-2.tests \
-	data/text-rendering-tests/tests/SHBALI-3.tests \
-	data/text-rendering-tests/tests/SHKNDA-1.tests \
-	$(NULL)
-
-DISABLED_TESTS = \
-	data/text-rendering-tests/tests/CMAP-3.tests # Non-Unicode cmap \
-	data/text-rendering-tests/tests/MORX-1.tests # Not implemented \
-	data/text-rendering-tests/tests/MORX-2.tests # Not implemented \
-	data/text-rendering-tests/tests/MORX-3.tests # Not implemented \
-	data/text-rendering-tests/tests/MORX-4.tests # Not implemented \
-	data/text-rendering-tests/tests/SHARAN-1.tests # Rounding difference \
-	data/text-rendering-tests/tests/SHBALI-1.tests # Rounding difference \
-	data/text-rendering-tests/tests/SHBALI-2.tests # Rounding difference \
-	data/text-rendering-tests/tests/SHKNDA-2.tests # Rounding difference \
-	data/text-rendering-tests/tests/SHKNDA-3.tests # Rounding difference \
-	$(NULL)
-
-TEST_EXTENSIONS = .tests
-TESTS_LOG_COMPILER = $(srcdir)/run-tests.py $(top_builddir)/util/hb-shape$(EXEEXT)
-
 -include $(top_srcdir)/git.mk
diff --git a/test/shaping/data/Makefile.am b/test/shaping/data/Makefile.am
new file mode 100644
index 000000000..e76b3b870
--- /dev/null
+++ b/test/shaping/data/Makefile.am
@@ -0,0 +1,9 @@
+# Process this file with automake to produce Makefile.in
+
+NULL =
+SUBDIRS = \
+	in-house \
+	text-rendering-tests \
+	$(NULL)
+
+-include $(top_srcdir)/git.mk
diff --git a/test/shaping/data/in-house/Makefile.am b/test/shaping/data/in-house/Makefile.am
new file mode 100644
index 000000000..a9893a89a
--- /dev/null
+++ b/test/shaping/data/in-house/Makefile.am
@@ -0,0 +1,58 @@
+# Process this file with automake to produce Makefile.in
+
+NULL =
+
+EXTRA_DIST = \
+	COPYING \
+	fonts \
+	$(TESTS) \
+	$(NULL)
+
+TEST_EXTENSIONS = .tests
+TESTS_LOG_COMPILER = $(srcdir)/../../run-tests.py $(top_builddir)/util/hb-shape$(EXEEXT)
+
+TESTS = \
+	tests/arabic-fallback-shaping.tests \
+	tests/arabic-feature-order.tests \
+	tests/arabic-like-joining.tests \
+	tests/arabic-mark-order.tests \
+	tests/arabic-stch.tests \
+	tests/automatic-fractions.tests \
+	tests/cluster.tests \
+	tests/color-fonts.tests \
+	tests/context-matching.tests \
+	tests/cursive-positioning.tests \
+	tests/default-ignorables.tests \
+	tests/emoji-flag-tags.tests \
+	tests/fallback-positioning.tests \
+	tests/fuzzed.tests \
+	tests/hangul-jamo.tests \
+	tests/hyphens.tests \
+	tests/indic-consonant-with-stacker.tests \
+	tests/indic-init.tests \
+	tests/indic-joiner-candrabindu.tests \
+	tests/indic-joiners.tests \
+	tests/indic-old-spec.tests \
+	tests/indic-pref-blocking.tests \
+	tests/indic-script-extensions.tests \
+	tests/indic-special-cases.tests \
+	tests/indic-syllable.tests \
+	tests/language-tags.tests \
+	tests/ligature-id.tests \
+	tests/mark-attachment.tests \
+	tests/mark-filtering-sets.tests \
+	tests/mongolian-variation-selector.tests \
+	tests/spaces.tests \
+	tests/simple.tests \
+	tests/tibetan-contractions-1.tests \
+	tests/tibetan-contractions-2.tests \
+	tests/tibetan-vowels.tests \
+	tests/use.tests \
+	tests/use-marchen.tests \
+	tests/use-syllable.tests \
+	tests/variations-rvrn.tests \
+	tests/vertical.tests \
+	tests/zero-width-marks.tests \
+	$(NULL)
+
+-include $(top_srcdir)/git.mk
diff --git a/test/shaping/data/text-rendering-tests/Makefile.am b/test/shaping/data/text-rendering-tests/Makefile.am
new file mode 100644
index 000000000..2798e512c
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/Makefile.am
@@ -0,0 +1,60 @@
+# Process this file with automake to produce Makefile.in
+
+NULL =
+
+EXTRA_DIST = \
+	extract-tests.py \
+	fonts \
+	$(TESTS) \
+	$(NULL)
+
+TEST_EXTENSIONS = .tests
+TESTS_LOG_COMPILER = $(srcdir)/../../run-tests.py $(top_builddir)/util/hb-shape$(EXEEXT)
+
+TESTS = \
+	tests/AVAR-1.tests \
+	tests/CFF-1.tests \
+	tests/CFF2-1.tests \
+	tests/CFF-2.tests \
+	tests/CMAP-1.tests \
+	tests/CMAP-2.tests \
+	tests/CVAR-1.tests \
+	tests/CVAR-2.tests \
+	tests/GLYF-1.tests \
+	tests/GPOS-1.tests \
+	tests/GPOS-2.tests \
+	tests/GPOS-3.tests \
+	tests/GPOS-4.tests \
+	tests/GPOS-5.tests \
+	tests/GSUB-1.tests \
+	tests/GSUB-2.tests \
+	tests/GVAR-1.tests \
+	tests/GVAR-2.tests \
+	tests/GVAR-3.tests \
+	tests/GVAR-4.tests \
+	tests/GVAR-5.tests \
+	tests/GVAR-6.tests \
+	tests/GVAR-7.tests \
+	tests/GVAR-8.tests \
+	tests/GVAR-9.tests \
+	tests/HVAR-1.tests \
+	tests/HVAR-2.tests \
+	tests/KERN-1.tests \
+	tests/KERN-2.tests \
+	tests/SHBALI-3.tests \
+	tests/SHKNDA-1.tests \
+	$(NULL)
+DISABLED_TESTS = \
+	tests/CMAP-3.tests # Non-Unicode cmap \
+	tests/MORX-1.tests # Not implemented \
+	tests/MORX-2.tests # Not implemented \
+	tests/MORX-3.tests # Not implemented \
+	tests/MORX-4.tests # Not implemented \
+	tests/SHARAN-1.tests # Rounding difference \
+	tests/SHBALI-1.tests # Rounding difference \
+	tests/SHBALI-2.tests # Rounding difference \
+	tests/SHKNDA-2.tests # Rounding difference \
+	tests/SHKNDA-3.tests # Rounding difference \
+	$(NULL)
+
+-include $(top_srcdir)/git.mk

From 0b22da954142ad7a1e949a56448cee4e836fff75 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Wed, 10 Jan 2018 07:12:07 +0200
Subject: [PATCH 0810/1326] Improve HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES docs

Add the note about absolute glyph positions from the commit message.
---
 src/hb-buffer.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 655a22eed..bcc29930e 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -422,7 +422,8 @@ hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
  * @HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES: do no serialize glyph name.
  * @HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS: serialize glyph extents.
  * @HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS: serialize glyph flags. Since: 1.5.0
- * @HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: do not serialize glyph advances. Since: 1.8.0
+ * @HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: do not serialize glyph advances,
+ *  glyph offsets will reflect absolute glyph positions. Since: 1.8.0
  *
  * Flags that control what glyph information are serialized in hb_buffer_serialize_glyphs().
  *

From a073621b5dc2865a014821307128a8fdd1d7d992 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Wed, 10 Jan 2018 12:13:28 +0330
Subject: [PATCH 0811/1326] [cmake] Fix tests against latest changes (#690)

---
 test/shaping/CMakeLists.txt | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/test/shaping/CMakeLists.txt b/test/shaping/CMakeLists.txt
index e186858b5..bf4aaa5aa 100644
--- a/test/shaping/CMakeLists.txt
+++ b/test/shaping/CMakeLists.txt
@@ -1,10 +1,18 @@
 if (HB_BUILD_UTILS)
-  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/Makefile.am" MAKEFILEAM)
-  extract_make_variable (TESTS ${MAKEFILEAM})
+  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/in-house/Makefile.am" INHOUSE)
+  extract_make_variable (TESTS ${INHOUSE})
+  foreach (test IN ITEMS ${TESTS})
+    message(${CMAKE_CURRENT_SOURCE_DIR}/data/in-house)
+    add_test (NAME ${test}
+      COMMAND python run-tests.py $<TARGET_FILE:hb-shape> "data/in-house/${test}"
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  endforeach ()
 
+  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/text-rendering-tests/Makefile.am" TEXTRENDERING)
+  extract_make_variable (TESTS ${TEXTRENDERING})
   foreach (test IN ITEMS ${TESTS})
     add_test (NAME ${test}
-      COMMAND python run-tests.py $<TARGET_FILE:hb-shape> "${test}"
+      COMMAND python run-tests.py $<TARGET_FILE:hb-shape> "data/text-rendering-tests/${test}"
       WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
   endforeach ()
 endif ()

From 71e0ed9cbad8438239dcedf1bcfa8e19b9dfdc89 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Wed, 10 Jan 2018 15:45:12 +0330
Subject: [PATCH 0812/1326] [cmake] Add header existence tests (#685)

---
 .circleci/config.yml        |  4 +--
 CMakeLists.txt              | 53 ++++++++++++++++++++++++-------------
 test/shaping/CMakeLists.txt |  1 -
 3 files changed, 37 insertions(+), 21 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2a82abaad..8c02624ee 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -138,8 +138,8 @@ workflows:
   version: 2
   build:
     jobs:
-      - oracledeveloperstudio
-      - fedora-out-of-tree
+      #- oracledeveloperstudio
+      #- fedora-out-of-tree
       - archlinux
       - freebsd9
       - base
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b61d66056..a2599b545 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -89,15 +89,34 @@ include_directories(AFTER
 add_definitions(-DHAVE_OT)
 add_definitions(-DHAVE_FALLBACK)
 
-include(CheckFunctionExists)
-check_function_exists(atexit HAVE_ATEXIT)
-check_function_exists(mprotect HAVE_MPROTECT)
-check_function_exists(sysconf HAVE_SYSCONF)
-check_function_exists(getpagesize HAVE_GETPAGESIZE)
-check_function_exists(mmap HAVE_MMAP)
-check_function_exists(isatty HAVE_ISATTY)
-check_function_exists(newlocale HAVE_NEWLOCALE)
-check_function_exists(strtod_l HAVE_STRTOD_L)
+
+include (CheckFunctionExists)
+include (CheckIncludeFile)
+macro (check_funcs) # Similar to AC_CHECK_FUNCS of autotools
+  foreach (func_name ${ARGN})
+    set (RESULT OFF)
+    check_function_exists(${func_name} RESULT)
+    if (${RESULT})
+      string(TOUPPER ${func_name} definiton_to_add)
+      add_definitions(-DHAVE_${definiton_to_add})
+    endif ()
+  endforeach ()
+endmacro ()
+check_funcs(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l)
+
+check_include_file(unistd.h HAVE_UNIST_H)
+if (${HAVE_UNIST_H})
+  add_definitions(-DHAVE_UNIST_H)
+endif ()
+#check_include_file(sys/mman.h HAVE_SYS_MMAN_H) enable this sometime
+#if (${HAVE_SYS_MMAN_H})
+#  add_definitions(-DHAVE_SYS_MMAN_H)
+#endif ()
+check_include_file(xlocale.h HAVE_XLOCALE_H)
+if (${HAVE_XLOCALE_H})
+  add_definitions(-DHAVE_XLOCALE_H)
+endif ()
+
 
 if (MSVC)
   add_definitions(-wd4244 -wd4267 -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)
@@ -237,7 +256,7 @@ set (project_headers
 
 ## Find and include needed header folders and libraries
 if (HB_HAVE_FREETYPE)
-  include(FindFreetype)
+  include (FindFreetype)
   if (NOT FREETYPE_FOUND)
     message(FATAL_ERROR "HB_HAVE_FREETYPE was set, but we failed to find it. Maybe add a CMAKE_PREFIX_PATH= to your Freetype2 install prefix")
   endif ()
@@ -249,11 +268,9 @@ if (HB_HAVE_FREETYPE)
   list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
 
-  set (CMAKE_REQUIRED_INCLUDES ${FREETYPE_INCLUDE_DIRS})
-  set (CMAKE_REQUIRED_LIBRARIES ${FREETYPE_LIBRARIES})
-  check_function_exists(FT_Get_Var_Blend_Coordinates HAVE_FT_GET_VAR_BLEND_COORDINATES)
-  check_function_exists(FT_Set_Var_Blend_Coordinates HAVE_FT_SET_VAR_BLEND_COORDINATES)
-  check_function_exists(FT_Done_MM_Var HAVE_FT_DONE_MM_VAR)
+  set (CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${FREETYPE_INCLUDE_DIRS})
+  set (CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${FREETYPE_LIBRARIES})
+  check_funcs(FT_Get_Var_Blend_Coordinates FT_Set_Var_Blend_Coordinates FT_Done_MM_Var)
 endif ()
 
 if (HB_HAVE_GRAPHITE2)
@@ -355,8 +372,8 @@ if (WIN32 AND HB_HAVE_DIRECTWRITE)
 endif ()
 
 if (HB_HAVE_GOBJECT)
-  include(FindPythonInterp)
-  include(FindPerl)
+  include (FindPythonInterp)
+  include (FindPerl)
   
   # Use the hints from glib-2.0.pc to find glib-mkenums
   find_package(PkgConfig)
@@ -675,7 +692,7 @@ endif ()
 
 
 ## Install
-include(GNUInstallDirs)
+include (GNUInstallDirs)
 
 if (NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
   install(FILES ${project_headers} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/harfbuzz)
diff --git a/test/shaping/CMakeLists.txt b/test/shaping/CMakeLists.txt
index bf4aaa5aa..b79d5328c 100644
--- a/test/shaping/CMakeLists.txt
+++ b/test/shaping/CMakeLists.txt
@@ -2,7 +2,6 @@ if (HB_BUILD_UTILS)
   file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/in-house/Makefile.am" INHOUSE)
   extract_make_variable (TESTS ${INHOUSE})
   foreach (test IN ITEMS ${TESTS})
-    message(${CMAKE_CURRENT_SOURCE_DIR}/data/in-house)
     add_test (NAME ${test}
       COMMAND python run-tests.py $<TARGET_FILE:hb-shape> "data/in-house/${test}"
       WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})

From 80fd5743200cbe221ae3adf057fe0e5ef54a894c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 11:09:53 +0100
Subject: [PATCH 0813/1326] [aat] Add Class subtable thingy

From old 'mort' table.
---
 src/hb-aat-layout-common-private.hh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index c3058682d..4b96ee6c9 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -424,6 +424,30 @@ struct Lookup
 };
 
 
+struct Class
+{
+  inline unsigned int get_class (hb_codepoint_t glyph_id) const
+  {
+    return firstGlyph <= glyph_id && glyph_id - firstGlyph < glyphCount ? classArrayZ[glyph_id - firstGlyph] : 1;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && classArrayZ.sanitize (c, glyphCount));
+  }
+
+  protected:
+  GlyphID	firstGlyph;	/* First glyph index included in the trimmed array. */
+  HBUINT16	glyphCount;	/* Total number of glyphs (equivalent to the last
+				 * glyph minus the value of firstGlyph plus 1). */
+  UnsizedArrayOf<HBUINT8>
+		classArrayZ;	/* The class codes (indexed by glyph index minus
+				 * firstGlyph). */
+  public:
+  DEFINE_SIZE_ARRAY (4, classArrayZ);
+};
+
 } /* namespace AAT */
 
 

From ff2083c53eecc67c011b96b0b9a58331043e53cf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 13:54:36 +0100
Subject: [PATCH 0814/1326] [util] Set stdio files to line buffering

So we can stream lines to hb-shape and read output.
---
 util/options.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/util/options.cc b/util/options.cc
index f63607257..243b49b17 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -780,6 +780,8 @@ text_options_t::get_line (unsigned int *len)
     gs = g_string_new (nullptr);
   }
 
+  setlinebuf (fp);
+
   g_string_set_size (gs, 0);
   char buf[BUFSIZ];
   while (fgets (buf, sizeof (buf), fp)) {
@@ -817,6 +819,8 @@ output_options_t::get_file_handle (void)
     fail (false, "Cannot open output file `%s': %s",
 	  g_filename_display_name (output_file), strerror (errno));
 
+  setlinebuf (fp);
+
   return fp;
 }
 

From 746a37d5bdd2e965aa316e95ba5a7bad809d76a7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 10 Jan 2018 16:47:47 +0100
Subject: [PATCH 0815/1326] [util] Replace setlinebuf

---
 util/options.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/util/options.cc b/util/options.cc
index 243b49b17..f4ac445fc 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -780,7 +780,7 @@ text_options_t::get_line (unsigned int *len)
     gs = g_string_new (nullptr);
   }
 
-  setlinebuf (fp);
+  setvbuf(fp, NULL, _IOLBF, BUFSIZ); //setlinebuf (fp);
 
   g_string_set_size (gs, 0);
   char buf[BUFSIZ];
@@ -819,7 +819,7 @@ output_options_t::get_file_handle (void)
     fail (false, "Cannot open output file `%s': %s",
 	  g_filename_display_name (output_file), strerror (errno));
 
-  setlinebuf (fp);
+  setvbuf(fp, NULL, _IOLBF, BUFSIZ); //setlinebuf (fp);
 
   return fp;
 }

From e24bea8e91ba9f447f1f7f252bdefacef1f83593 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Wed, 10 Jan 2018 23:51:56 +0330
Subject: [PATCH 0816/1326] [cmake] Another try on making sure feature testing
 is working (#691)

---
 .circleci/config.yml | 155 +++++++++++++++++++++++--------------------
 CMakeLists.txt       |  17 +++--
 2 files changed, 91 insertions(+), 81 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8c02624ee..43ddc4ac0 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,54 @@ version: 2
 
 jobs:
 
-  oracledeveloperstudio:
+  distcheck:
+    docker:
+      - image: dockcross/base
+    steps:
+      - checkout
+      - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: ./autogen.sh && make distcheck
+      - run: make distdir && cd harfbuzz-* && cmake -DDHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
+
+  alpine:
+    docker:
+      - image: alpine
+    steps:
+      - checkout
+      - run: apk update && apk add ragel make pkgconfig libtool autoconf automake gettext gcc g++ glib-dev freetype-dev cairo-dev
+      - run: ./autogen.sh
+      - run: make && make check
+
+  archlinux:
+    docker:
+      - image: base/devel
+    steps:
+      - checkout
+      - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel
+      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
+      - run: make && make check
+
+  fedora-outoftreebuild:
+    docker:
+      - image: fedora
+    steps:
+      - checkout
+      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config || true
+      - run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
+      - run: mkdir build && cd build && ../configure && make && make check
+
+  cmake-gcc:
+    docker:
+      - image: dockcross/base
+    steps:
+      - checkout
+      - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja
+      - run: ninja -Cbuild
+      - run: ninja -Cbuild test
+      - run: ninja -Cbuild install
+
+  cmake-oracledeveloperstudio:
     docker:
       - image: fedora
     steps:
@@ -14,25 +61,16 @@ jobs:
       - run: make -Cbuild test
       - run: make -Cbuild install
 
-  fedora-out-of-tree:
+  crosscompile-notest-djgpp:
     docker:
-      - image: fedora
+      - image: quay.io/ebraminio/djgpp
     steps:
       - checkout
-      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config || true
-      - run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: mkdir build && cd build && ../configure && make && make check
+      - run: apt update && apt install -y ragel pkg-config libtool autoconf
+      - run: CFLAGS="-Wno-attributes" CXXFLAGS="-Wno-attributes" ./autogen.sh --prefix=/usr/local/djgpp --host=i586-pc-msdosdjgpp
+      - run: make
 
-  archlinux:
-    docker:
-      - image: base/devel
-    steps:
-      - checkout
-      - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel
-      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: make && make check
-
-  freebsd9:
+  crosscompile-notest-freebsd9:
     docker:
       - image: donbowman/freebsd-cross-build
     steps:
@@ -41,27 +79,7 @@ jobs:
       - run: ./autogen.sh --prefix=/freebsd --host=x86_64-pc-freebsd9
       - run: make
 
-  base:
-    docker:
-      - image: dockcross/base
-    steps:
-      - checkout
-      - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
-      - run: cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja
-      - run: ninja -Cbuild
-      - run: ninja -Cbuild test
-      - run: ninja -Cbuild install
-
-  distcheck:
-    docker:
-      - image: dockcross/base
-    steps:
-      - checkout
-      - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
-      - run: ./autogen.sh && make distcheck
-      - run: make distdir && cd harfbuzz-* && cmake -DDHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
-
-  psvita:
+  crosscompile-notest-psvita:
     docker:
       - image: dockcross/base
     steps:
@@ -71,7 +89,7 @@ jobs:
       - run: ./autogen.sh --prefix=/usr/local/vitasdk/arm-vita-eabi --host=arm-vita-eabi
       - run: make
 
-  android-arm:
+  crosscompile-cmake-notest-android-arm:
     docker:
       - image: dockcross/android-arm
     steps:
@@ -80,7 +98,7 @@ jobs:
       - run: cmake -Bbuild -H. -GNinja
       - run: ninja -Cbuild
 
-  browser-asmjs:
+  crosscompile-cmake-notest-browser-asmjs:
     docker:
       - image: dockcross/browser-asmjs
     steps:
@@ -89,7 +107,7 @@ jobs:
       - run: cmake -Bbuild -H. -GNinja
       - run: ninja -Cbuild
 
-  linux-arm64:
+  crosscompile-cmake-notest-linux-arm64:
     docker:
       - image: dockcross/linux-arm64
     steps:
@@ -98,7 +116,7 @@ jobs:
       - run: cmake -Bbuild -H. -GNinja
       - run: ninja -Cbuild
 
-  linux-mips:
+  crosscompile-cmake-notest-linux-mips:
     docker:
       - image: dockcross/linux-mips
     steps:
@@ -107,7 +125,7 @@ jobs:
       - run: cmake -Bbuild -H. -GNinja
       - run: ninja -Cbuild
 
-  windows-x64:
+  crosscompile-cmake-notest-windows-x64:
     docker:
       - image: dockcross/windows-x64
     steps:
@@ -116,39 +134,32 @@ jobs:
       - run: cmake -Bbuild -H. -GNinja
       - run: ninja -Cbuild
 
-  alpine:
-    docker:
-      - image: alpine
-    steps:
-      - checkout
-      - run: apk update && apk add ragel make pkgconfig libtool autoconf automake gettext gcc g++ glib-dev freetype-dev cairo-dev
-      - run: ./autogen.sh
-      - run: make && make check
-
-  dos:
-    docker:
-      - image: quay.io/ebraminio/djgpp
-    steps:
-      - checkout
-      - run: apt update && apt install -y ragel pkg-config libtool autoconf
-      - run: CFLAGS="-Wno-attributes" CXXFLAGS="-Wno-attributes" ./autogen.sh --prefix=/usr/local/djgpp --host=i586-pc-msdosdjgpp
-      - run: make
-
 workflows:
   version: 2
   build:
     jobs:
-      #- oracledeveloperstudio
-      #- fedora-out-of-tree
-      - archlinux
-      - freebsd9
-      - base
+      # both autotools and cmake
       - distcheck
-      - psvita
-      - android-arm
-      - browser-asmjs
-      - linux-arm64
-      - linux-mips
-      - windows-x64
+
+      # autotools based builds
       - alpine
-      - dos
+      - archlinux
+      - fedora-outoftreebuild
+
+      # cmake based builds
+      - cmake-gcc
+      - cmake-oracledeveloperstudio
+
+      # crosscompiles
+      # they can't be test thus are without tests
+      ## autotools
+      - crosscompile-notest-djgpp
+      - crosscompile-notest-freebsd9
+      - crosscompile-notest-psvita
+
+      ## cmake
+      - crosscompile-cmake-notest-android-arm
+      - crosscompile-cmake-notest-browser-asmjs
+      - crosscompile-cmake-notest-linux-arm64
+      - crosscompile-cmake-notest-linux-mips
+      - crosscompile-cmake-notest-windows-x64
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2599b545..e45c5bc0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,24 +94,23 @@ include (CheckFunctionExists)
 include (CheckIncludeFile)
 macro (check_funcs) # Similar to AC_CHECK_FUNCS of autotools
   foreach (func_name ${ARGN})
-    set (RESULT OFF)
-    check_function_exists(${func_name} RESULT)
-    if (${RESULT})
-      string(TOUPPER ${func_name} definiton_to_add)
+    string(TOUPPER ${func_name} definiton_to_add)
+    check_function_exists(${func_name} HAVE_${definiton_to_add})
+    if (${HAVE_${definiton_to_add}})
       add_definitions(-DHAVE_${definiton_to_add})
     endif ()
   endforeach ()
 endmacro ()
-check_funcs(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l)
+check_funcs(atexit mprotect sysconf mmap strtod_l) #TODO: getpagesize newlocale isatty
 
 check_include_file(unistd.h HAVE_UNIST_H)
 if (${HAVE_UNIST_H})
   add_definitions(-DHAVE_UNIST_H)
 endif ()
-#check_include_file(sys/mman.h HAVE_SYS_MMAN_H) enable this sometime
-#if (${HAVE_SYS_MMAN_H})
-#  add_definitions(-DHAVE_SYS_MMAN_H)
-#endif ()
+check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
+if (${HAVE_SYS_MMAN_H})
+  add_definitions(-DHAVE_SYS_MMAN_H)
+endif ()
 check_include_file(xlocale.h HAVE_XLOCALE_H)
 if (${HAVE_XLOCALE_H})
   add_definitions(-DHAVE_XLOCALE_H)

From ebb9b7d6335536804b50002fb83dd30da42a8ad5 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 11 Jan 2018 08:15:06 +0330
Subject: [PATCH 0817/1326] [test] Print shaping output on CI fails (#695)

---
 .circleci/config.yml      | 4 ++--
 test/shaping/run-tests.py | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 43ddc4ac0..874c587d5 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -46,7 +46,7 @@ jobs:
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
       - run: cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja
       - run: ninja -Cbuild
-      - run: ninja -Cbuild test
+      - run: CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test
       - run: ninja -Cbuild install
 
   cmake-oracledeveloperstudio:
@@ -58,7 +58,7 @@ jobs:
       - run: wget http://$ODSUSER:$ODSPASS@behdad.org/harfbuzz-private/OracleDeveloperStudio12.6-linux-x86-bin.tar.bz2 && tar xf OracleDeveloperStudio12.6-linux-x86-bin.tar.bz2 --owner root --group root --no-same-owner
       - run: CC=/root/project/OracleDeveloperStudio12.6-linux-x86-bin/developerstudio12.6/bin/suncc CXX=/root/project/OracleDeveloperStudio12.6-linux-x86-bin/developerstudio12.6/bin/sunCC cmake -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_HAVE_FREETYPE=ON -Bbuild -H.
       - run: make -Cbuild
-      - run: make -Cbuild test
+      - run: CTEST_OUTPUT_ON_FAILURE=1 make -Cbuild test
       - run: make -Cbuild install
 
   crosscompile-notest-djgpp:
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index b3f5ffcd9..36ec0657e 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -61,7 +61,7 @@ for filename in args:
 			unicodes] + (options.split (' ') if options else []))
 
 		if returncode:
-			print ("hb-shape --font-funcs=ft failed.", file=sys.stderr)
+			print ("hb-shape --font-funcs=ft failed.")
 			fails = fails + 1
 			#continue
 
@@ -70,13 +70,13 @@ for filename in args:
 			unicodes] + (options.split (' ') if options else []))
 
 		if returncode:
-			print ("ERROR: hb-shape --font-funcs=ot failed.", file=sys.stderr)
+			print ("ERROR: hb-shape --font-funcs=ot failed.")
 			fails = fails + 1
 			#continue
 
 		if glyphs1 != glyphs2:
-			print ("FT funcs: " + glyphs1, file=sys.stderr)
-			print ("OT funcs: " + glyphs2, file=sys.stderr)
+			print ("FT funcs: " + glyphs1)
+			print ("OT funcs: " + glyphs2)
 			fails = fails + 1
 
 		if reference:

From 1461965c2220cd957c26b3fe5835200e426bc715 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 11 Jan 2018 08:48:22 +0330
Subject: [PATCH 0818/1326] [test] Better tests output by converting stderr to
 stdout (#696)

https://gitlab.kitware.com/cmake/cmake/issues/17630
---
 test/shaping/run-tests.py | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index 36ec0657e..c65e7142c 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -8,8 +8,8 @@ def cmd(command):
 	p = subprocess.Popen (
 		command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 	p.wait ()
-	print (p.stderr.read (), file=sys.stderr, end='')
-	return p.stdout.read ().decode ("utf-8").strip(), p.returncode
+	print (p.stderr.read (), end="") # file=sys.stderr
+	return p.stdout.read ().decode ("utf-8").strip (), p.returncode
 
 
 args = sys.argv[1:]
@@ -61,7 +61,7 @@ for filename in args:
 			unicodes] + (options.split (' ') if options else []))
 
 		if returncode:
-			print ("hb-shape --font-funcs=ft failed.")
+			print ("hb-shape --font-funcs=ft failed.") # file=sys.stderr
 			fails = fails + 1
 			#continue
 
@@ -70,13 +70,13 @@ for filename in args:
 			unicodes] + (options.split (' ') if options else []))
 
 		if returncode:
-			print ("ERROR: hb-shape --font-funcs=ot failed.")
+			print ("ERROR: hb-shape --font-funcs=ot failed.") # file=sys.stderr
 			fails = fails + 1
 			#continue
 
 		if glyphs1 != glyphs2:
-			print ("FT funcs: " + glyphs1)
-			print ("OT funcs: " + glyphs2)
+			print ("FT funcs: " + glyphs1) # file=sys.stderr
+			print ("OT funcs: " + glyphs2) # file=sys.stderr
 			fails = fails + 1
 
 		if reference:
@@ -84,13 +84,13 @@ for filename in args:
 			continue
 
 		if glyphs1.strip() != glyphs_expected.strip():
-			print ("Actual:   " + glyphs1, file=sys.stderr)
-			print ("Expected: " + glyphs_expected, file=sys.stderr)
+			print ("Actual:   " + glyphs1) # file=sys.stderr
+			print ("Expected: " + glyphs_expected) # file=sys.stderr
 			fails = fails + 1
 
 if fails != 0:
 	if not reference:
-		print (str (fails) + " tests failed.")
+		print (str (fails) + " tests failed.") # file=sys.stderr
 	sys.exit (1)
 
 else:

From 90e3c9e69e93e05d9fb534fd43b5c99cf58a7cb4 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 11 Jan 2018 12:31:05 +0330
Subject: [PATCH 0819/1326] [cmake] Fix hb-blob test (#699)

---
 CMakeLists.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e45c5bc0c..4d52668ba 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,10 +107,10 @@ check_include_file(unistd.h HAVE_UNIST_H)
 if (${HAVE_UNIST_H})
   add_definitions(-DHAVE_UNIST_H)
 endif ()
-check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
-if (${HAVE_SYS_MMAN_H})
-  add_definitions(-DHAVE_SYS_MMAN_H)
-endif ()
+#check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
+#if (${HAVE_SYS_MMAN_H})
+#  add_definitions(-DHAVE_SYS_MMAN_H)
+#endif ()
 check_include_file(xlocale.h HAVE_XLOCALE_H)
 if (${HAVE_XLOCALE_H})
   add_definitions(-DHAVE_XLOCALE_H)

From 5dbbd0fdb9a343554112a846b392803f11c13197 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 11 Jan 2018 12:33:22 +0330
Subject: [PATCH 0820/1326] Move the #define of _GNU_SOURCE to the top of
 hb-private.hh (#697)

This fixes the build on Cygwin.
---
 src/hb-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 9a1f2c514..9cad56855 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -29,6 +29,8 @@
 #ifndef HB_PRIVATE_HH
 #define HB_PRIVATE_HH
 
+#define _GNU_SOURCE 1
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -87,8 +89,6 @@ extern "C" void  hb_free_impl(void *ptr);
 
 #endif // __cplusplus < 201103L
 
-#define _GNU_SOURCE 1
-
 #if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__)
 #define likely(expr) (__builtin_expect (!!(expr), 1))
 #define unlikely(expr) (__builtin_expect (!!(expr), 0))

From ca42d961293a9e4dfd0817c1a02d454008583282 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 09:15:34 +0100
Subject: [PATCH 0821/1326] [aat] Implement RearrangementSubtable

---
 src/hb-aat-layout-common-private.hh |  89 ++++++++++++-
 src/hb-aat-layout-morx-table.hh     | 192 ++++++++++++++++++++++++----
 src/hb-open-type-private.hh         |   2 -
 src/hb-private.hh                   |   7 +-
 4 files changed, 254 insertions(+), 36 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 4b96ee6c9..32ba63267 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -164,7 +164,7 @@ struct UnsizedArrayOf
     return_trace (c->check_array (arrayZ, arrayZ[0].static_size, count));
   }
 
-  protected:
+  public:
   Type	arrayZ[VAR];
   public:
   DEFINE_SIZE_ARRAY (0, arrayZ);
@@ -221,7 +221,7 @@ struct LookupSegmentSingle
   GlyphID	first;		/* First GlyphID in this segment */
   T		value;		/* The lookup value (only one) */
   public:
-  DEFINE_SIZE_STATIC (4 + sizeof (T));
+  DEFINE_SIZE_STATIC (4 + T::static_size);
 };
 
 template <typename T>
@@ -323,7 +323,7 @@ struct LookupSingle
   GlyphID	glyph;		/* Last GlyphID */
   T		value;		/* The lookup value (only one) */
   public:
-  DEFINE_SIZE_STATIC (4 + sizeof (T));
+  DEFINE_SIZE_STATIC (4 + T::static_size);
 };
 
 template <typename T>
@@ -424,7 +424,7 @@ struct Lookup
 };
 
 
-struct Class
+struct ClassTable
 {
   inline unsigned int get_class (hb_codepoint_t glyph_id) const
   {
@@ -448,6 +448,87 @@ struct Class
   DEFINE_SIZE_ARRAY (4, classArrayZ);
 };
 
+
+/*
+ * (Extended) State Table
+ */
+
+template <typename T>
+struct Entry
+{
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && data.sanitize (c));
+  }
+
+  public:
+  HBUINT16	newState;	/* Byte offset from beginning of state table to the new state. */
+  HBUINT16	flags;		/* Table specific. */
+  T		data;		/* Optional offsets to per-glyph tables. */
+  public:
+  DEFINE_SIZE_STATIC (4 + T::static_size);
+};
+
+template <>
+struct Entry<void>
+{
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  public:
+  HBUINT16	newState;	/* Byte offset from beginning of state table to the new state. */
+  HBUINT16	flags;		/* Table specific. */
+  public:
+  DEFINE_SIZE_STATIC (4);
+};
+
+template <typename Types, typename Extra>
+struct StateTable
+{
+  typedef typename Types::HBUINT HBUINT;
+  typedef typename Types::HBUSHORT HBUSHORT;
+  typedef typename Types::ClassType ClassType;
+
+  inline unsigned int get_class (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
+  { return (this+classTable).get_class (glyph_id, num_glyphs); }
+
+
+  inline const Entry<Extra> *get_entry (unsigned int state, unsigned int klass) const
+  {
+    const HBUSHORT *states = (this+stateArrayTable).arrayZ;
+    const Entry<Extra> *entries = (this+entryTable).arrayZ;
+
+    unsigned int entry = states[state * nClasses + klass]; /* XXX bound check. */
+
+    return &entries[entry]; /* XXX bound check. */
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int num_glyphs) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (true);
+    return_trace (c->check_struct (this)); /* XXX */
+  }
+
+  protected:
+  HBUINT	nClasses;	/* Number of classes, which is the number of indices
+				 * in a single line in the state array. */
+  OffsetTo<ClassType, HBUINT>
+		classTable;	/* Offset to the class table. */
+  OffsetTo<UnsizedArrayOf<HBUSHORT>, HBUINT>
+		stateArrayTable;/* Offset to the state array. */
+  OffsetTo<UnsizedArrayOf<Entry<Extra> >, HBUINT>
+		entryTable;	/* Offset to the entry array. */
+
+  public:
+  DEFINE_SIZE_UNION (2, format);
+};
+
+
 } /* namespace AAT */
 
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index e7eac2b26..f4e5cccc6 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -39,21 +39,124 @@ namespace AAT {
 using namespace OT;
 
 
+template <typename Types>
 struct RearrangementSubtable
 {
+  enum {
+    MarkFirst	= 0x8000,
+    DontAdvance	= 0x4000,
+    MarkLast	= 0x2000,
+    Verb	= 0x000F,
+  };
+
   inline bool apply (hb_apply_context_t *c) const
   {
     TRACE_APPLY (this);
-    /* TODO */
-    return_trace (false);
+
+    bool ret = false;
+    unsigned int num_glyphs = c->face->get_num_glyphs ();
+
+    unsigned int state = 0;
+    unsigned int start = 0;
+    unsigned int end = 0;
+
+    hb_glyph_info_t *info = c->buffer->info;
+    unsigned int count = c->buffer->len;
+
+    for (unsigned int i = 0; i < count; i++)
+    {
+      unsigned int klass = machine.get_class (info[i].codepoint, num_glyphs);
+      const Entry<void> *entry = machine.get_entry (state, klass);
+      if (unlikely (!entry))
+        break;
+
+      unsigned int flags = entry->flags;
+
+      if (flags & MarkFirst)
+	start = i;
+
+      if (flags & MarkLast)
+	end = i + 1;
+
+      if ((flags & Verb) && start < end)
+      {
+	/* The following map has two nibbles, for start-side
+	 * and end-side. Values of 0,1,2 mean move that many
+	 * to the other side. Value of 3 means move 2 and
+	 * flip them. */
+	static const unsigned char map[16] =
+	{
+	  0x00,	/* 0	no change */
+	  0x10,	/* 1	Ax => xA */
+	  0x01,	/* 2	xD => Dx */
+	  0x11,	/* 3	AxD => DxA */
+	  0x20,	/* 4	ABx => xAB */
+	  0x30,	/* 5	ABx => xBA */
+	  0x02,	/* 6	xCD => CDx */
+	  0x03,	/* 7	xCD => DCx */
+	  0x12,	/* 8	AxCD => CDxA */
+	  0x13,	/* 9	AxCD => DCxA */
+	  0x21,	/* 10	ABxD => DxAB */
+	  0x31,	/* 11	ABxD => DxBA */
+	  0x22,	/* 12	ABxCD => CDxAB */
+	  0x32,	/* 13	ABxCD => CDxBA */
+	  0x23,	/* 14	ABxCD => DCxAB */
+	  0x33,	/* 15	ABxCD => DCxBA */
+	};
+
+	unsigned int m = map[flags & Verb];
+	unsigned int l = MIN<unsigned int> (2, m >> 4);
+	unsigned int r = MIN<unsigned int> (2, m & 0x0F);
+	bool reverse_l = 3 == (m >> 4);
+	bool reverse_r = 3 == (m & 0x0F);
+
+	if (end - start >= l + r)
+	{
+	  c->buffer->merge_clusters (start, end);
+
+	  hb_glyph_info_t buf[4];
+	  memcpy (buf, info + start, l * sizeof (buf[0]));
+	  memcpy (buf + 2, info + end - r, r * sizeof (buf[0]));
+
+	  if (l != r)
+	    memmove (info + start + r - l, info + start + l, (end - start - l - r) * sizeof (buf[0]));
+
+	  memcpy (info + start, buf + 2, r * sizeof (buf[0]));
+	  memcpy (info + end - l, buf, l * sizeof (buf[0]));
+	  if (reverse_l)
+	  {
+	    buf[0] = info[end - 1];
+	    info[end - 1] = info[end - 2];
+	    info[end - 2] = buf[0];
+	  }
+	  if (reverse_r)
+	  {
+	    buf[0] = info[start];
+	    info[start] = info[start + 1];
+	    info[start + 1] = buf[0];
+	  }
+	}
+      }
+
+      if (false/* XXX*/ && flags & DontAdvance)
+        i--; /* XXX Detect infinite loop. */
+
+      state = entry->newState;
+    }
+
+    return_trace (ret);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    /* TODO */
-    return_trace (false);
+    return_trace (machine.sanitize (c, 0/*XXX*/));
   }
+
+  protected:
+  StateTable<Types, void>	machine;
+  public:
+  DEFINE_SIZE_MIN (2);
 };
 
 struct ContextualSubtable
@@ -95,11 +198,12 @@ struct NoncontextualSubtable
   inline bool apply (hb_apply_context_t *c) const
   {
     TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    hb_glyph_info_t *info = buffer->info;
-    unsigned int num_glyphs = c->face->get_num_glyphs ();
+
     bool ret = false;
-    unsigned int count = buffer->len;
+    unsigned int num_glyphs = c->face->get_num_glyphs ();
+
+    hb_glyph_info_t *info = c->buffer->info;
+    unsigned int count = c->buffer->len;
     for (unsigned int i = 0; i < count; i++)
     {
       const GlyphID *replacement = substitute.get_value (info[i].codepoint, num_glyphs);
@@ -109,6 +213,7 @@ struct NoncontextualSubtable
 	ret = true;
       }
     }
+
     return_trace (ret);
   }
 
@@ -163,11 +268,13 @@ struct Feature
 };
 
 
-template <typename HBUINT>
+template <typename Types>
 struct ChainSubtable
 {
   template <typename> struct Chain;
-  friend struct Chain<HBUINT>;
+  friend struct Chain<Types>;
+
+  typedef typename Types::HBUINT HBUINT;
 
   inline unsigned int get_size (void) const { return length; }
   inline unsigned int get_type (void) const { return coverage & 0xFF; }
@@ -214,9 +321,10 @@ struct ChainSubtable
   protected:
   HBUINT		length;		/* Total subtable length, including this header. */
   HBUINT		coverage;	/* Coverage flags and subtable type. */
-  HBUINT32	subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
+  HBUINT32		subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
   union {
-  RearrangementSubtable	rearrangement;
+  RearrangementSubtable<Types>
+			rearrangement;
   ContextualSubtable	contextual;
   LigatureSubtable	ligature;
   NoncontextualSubtable	noncontextual;
@@ -226,17 +334,19 @@ struct ChainSubtable
   DEFINE_SIZE_MIN (2 * sizeof (HBUINT) + 4);
 };
 
-template <typename HBUINT>
+template <typename Types>
 struct Chain
 {
+  typedef typename Types::HBUINT HBUINT;
+
   inline void apply (hb_apply_context_t *c) const
   {
-    const ChainSubtable<HBUINT> *subtable = &StructAtOffset<ChainSubtable<HBUINT> > (featureZ, featureZ[0].static_size * featureCount);
+    const ChainSubtable<Types> *subtable = &StructAtOffset<ChainSubtable<Types> > (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
       subtable->apply (c);
-      subtable = &StructAfter<ChainSubtable<HBUINT> > (*subtable);
+      subtable = &StructAfter<ChainSubtable<Types> > (*subtable);
     }
   }
 
@@ -253,13 +363,13 @@ struct Chain
     if (!c->check_array (featureZ, featureZ[0].static_size, featureCount))
       return_trace (false);
 
-    const ChainSubtable<HBUINT> *subtable = &StructAtOffset<ChainSubtable<HBUINT> > (featureZ, featureZ[0].static_size * featureCount);
+    const ChainSubtable<Types> *subtable = &StructAtOffset<ChainSubtable<Types> > (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
       if (!subtable->sanitize (c))
 	return_trace (false);
-      subtable = &StructAfter<ChainSubtable<HBUINT> > (*subtable);
+      subtable = &StructAfter<ChainSubtable<Types> > (*subtable);
     }
 
     return_trace (true);
@@ -272,7 +382,7 @@ struct Chain
   HBUINT		subtableCount;	/* The number of subtables in the chain. */
 
   Feature		featureZ[VAR];	/* Features. */
-  ChainSubtable<HBUINT>	subtableX[VAR];	/* Subtables. */
+  ChainSubtable<Types>	subtableX[VAR];	/* Subtables. */
   // subtableGlyphCoverageArray if major == 3
 
   public:
@@ -284,20 +394,22 @@ struct Chain
  * The 'mort'/'morx' Tables
  */
 
-template <typename HBUINT>
+template <typename Types>
 struct mortmorx
 {
   static const hb_tag_t mortTag	= HB_AAT_TAG_MORT;
   static const hb_tag_t morxTag	= HB_AAT_TAG_MORX;
 
+  typedef typename Types::HBUINT HBUINT;
+
   inline void apply (hb_apply_context_t *c) const
   {
-    const Chain<HBUINT> *chain = chains;
+    const Chain<Types> *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)
     {
       chain->apply (c);
-      chain = &StructAfter<Chain<HBUINT> > (*chain);
+      chain = &StructAfter<Chain<Types> > (*chain);
     }
   }
 
@@ -305,17 +417,17 @@ struct mortmorx
   {
     TRACE_SANITIZE (this);
     if (!version.sanitize (c) ||
-	version.major >> (sizeof (HBUINT) == 4) != 1 ||
+	(version.major >> (sizeof (HBUINT) == 4 ? 1 : 0)) != 1 ||
 	!chainCount.sanitize (c))
       return_trace (false);
 
-    const Chain<HBUINT> *chain = chains;
+    const Chain<Types> *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)
     {
       if (!chain->sanitize (c, version.major))
 	return_trace (false);
-      chain = &StructAfter<Chain<HBUINT> > (*chain);
+      chain = &StructAfter<Chain<Types> > (*chain);
     }
 
     return_trace (true);
@@ -326,18 +438,44 @@ struct mortmorx
 				 * 1 for mort, 2 or 3 for morx. */
   HBUINT32	chainCount;	/* Number of metamorphosis chains contained in this
 				 * table. */
-  Chain<HBUINT>	chains[VAR];	/* Chains. */
+  Chain<Types>	chains[VAR];	/* Chains. */
 
   public:
   DEFINE_SIZE_MIN (8);
 };
 
-struct mort : mortmorx<HBUINT16>
+struct MorxTypes
+{
+  typedef HBUINT32 HBUINT;
+  typedef HBUINT16 HBUSHORT;
+  struct ClassType : Lookup<HBUINT16>
+  {
+    inline unsigned int get_class (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
+    {
+      const HBUINT16 *v = get_value (glyph_id, num_glyphs);
+      return v ? *v : 1;
+    }
+  };
+};
+struct MortTypes
+{
+  typedef HBUINT16 HBUINT;
+  typedef HBUINT8 HBUSHORT;
+  struct ClassType : ClassTable
+  {
+    inline unsigned int get_class (hb_codepoint_t glyph_id, unsigned int num_glyphs HB_UNUSED) const
+    {
+      return ClassTable::get_class (glyph_id);
+    }
+  };
+};
+
+struct mort : mortmorx<MortTypes>
 {
   static const hb_tag_t tableTag	= HB_AAT_TAG_MORT;
 };
 
-struct morx : mortmorx<HBUINT32>
+struct morx : mortmorx<MorxTypes>
 {
   static const hb_tag_t tableTag	= HB_AAT_TAG_MORX;
 };
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 29bf7ba2f..6d8bc6cb8 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -527,8 +527,6 @@ struct Supplier
 };
 
 
-
-
 /*
  *
  * The OpenType Font File: Data Types
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 9cad56855..62c9fb278 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -298,9 +298,10 @@ static_assert ((sizeof (hb_var_int_t) == 4), "");
 
 /* Misc */
 
-/* Void! */
-struct _hb_void_t {};
-typedef const _hb_void_t *hb_void_t;
+/*
+ * Void!
+ */
+typedef const struct _hb_void_t *hb_void_t;
 #define HB_VOID ((const _hb_void_t *) nullptr)
 
 /* Return the number of 1 bits in mask. */

From 800e4ae80232f022404be155afd497b0421a6a64 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 09:57:55 +0100
Subject: [PATCH 0822/1326] [aat] Mark state-machine-based lookup as completely
 unsafe-to-break

To be improved later.
---
 src/hb-aat-layout-morx-table.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index f4e5cccc6..76c9a6083 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -63,6 +63,8 @@ struct RearrangementSubtable
     hb_glyph_info_t *info = c->buffer->info;
     unsigned int count = c->buffer->len;
 
+    c->buffer->unsafe_to_break (0, count); /* TODO Improve. */
+
     for (unsigned int i = 0; i < count; i++)
     {
       unsigned int klass = machine.get_class (info[i].codepoint, num_glyphs);

From ea3e86c6401d41cf54d82692eccbf44c87be2fd5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 09:58:42 +0100
Subject: [PATCH 0823/1326] Minor

---
 test/shaping/data/Makefile.am                      | 4 ++++
 test/shaping/data/in-house/Makefile.am             | 4 ++++
 test/shaping/data/text-rendering-tests/Makefile.am | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/test/shaping/data/Makefile.am b/test/shaping/data/Makefile.am
index e76b3b870..4f2c11366 100644
--- a/test/shaping/data/Makefile.am
+++ b/test/shaping/data/Makefile.am
@@ -6,4 +6,8 @@ SUBDIRS = \
 	text-rendering-tests \
 	$(NULL)
 
+# Convenience targets:
+lib:
+	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
+
 -include $(top_srcdir)/git.mk
diff --git a/test/shaping/data/in-house/Makefile.am b/test/shaping/data/in-house/Makefile.am
index a9893a89a..2f9551918 100644
--- a/test/shaping/data/in-house/Makefile.am
+++ b/test/shaping/data/in-house/Makefile.am
@@ -2,6 +2,10 @@
 
 NULL =
 
+# Convenience targets:
+lib:
+	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
+
 EXTRA_DIST = \
 	COPYING \
 	fonts \
diff --git a/test/shaping/data/text-rendering-tests/Makefile.am b/test/shaping/data/text-rendering-tests/Makefile.am
index 2798e512c..385270a29 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.am
+++ b/test/shaping/data/text-rendering-tests/Makefile.am
@@ -2,6 +2,10 @@
 
 NULL =
 
+# Convenience targets:
+lib:
+	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
+
 EXTRA_DIST = \
 	extract-tests.py \
 	fonts \

From 14b4d84eef18bd54287c10ce44eaef4f642f6238 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 10:08:25 +0100
Subject: [PATCH 0824/1326] [aat] Fix RearrangementSubtable action

---
 src/hb-aat-layout-morx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 76c9a6083..cbc69d26e 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -121,7 +121,7 @@ struct RearrangementSubtable
 	  memcpy (buf + 2, info + end - r, r * sizeof (buf[0]));
 
 	  if (l != r)
-	    memmove (info + start + r - l, info + start + l, (end - start - l - r) * sizeof (buf[0]));
+	    memmove (info + start + r, info + start + l, (end - start - l - r) * sizeof (buf[0]));
 
 	  memcpy (info + start, buf + 2, r * sizeof (buf[0]));
 	  memcpy (info + end - l, buf, l * sizeof (buf[0]));

From c861daacc4255d41d2358868b917277422949dc9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 10:11:01 +0100
Subject: [PATCH 0825/1326] [test/text-rendering-tests] Add README and COPYING

---
 test/shaping/data/text-rendering-tests/COPYING     | 13 +++++++++++++
 test/shaping/data/text-rendering-tests/Makefile.am |  2 ++
 test/shaping/data/text-rendering-tests/README      |  4 ++++
 3 files changed, 19 insertions(+)
 create mode 100644 test/shaping/data/text-rendering-tests/COPYING
 create mode 100644 test/shaping/data/text-rendering-tests/README

diff --git a/test/shaping/data/text-rendering-tests/COPYING b/test/shaping/data/text-rendering-tests/COPYING
new file mode 100644
index 000000000..7758b2e59
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/COPYING
@@ -0,0 +1,13 @@
+Copyright 2016 Unicode Inc. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the “License”);
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an “AS IS” BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/test/shaping/data/text-rendering-tests/Makefile.am b/test/shaping/data/text-rendering-tests/Makefile.am
index 385270a29..56247b7b6 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.am
+++ b/test/shaping/data/text-rendering-tests/Makefile.am
@@ -7,6 +7,8 @@ lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
 
 EXTRA_DIST = \
+	README \
+	COPYING \
 	extract-tests.py \
 	fonts \
 	$(TESTS) \
diff --git a/test/shaping/data/text-rendering-tests/README b/test/shaping/data/text-rendering-tests/README
new file mode 100644
index 000000000..351f83010
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/README
@@ -0,0 +1,4 @@
+Tests in this directory are automatically imported from the
+text-rendering-tests repository owned by Unicode Consortium:
+
+  https://github.com/unicode-org/text-rendering-tests

From a5adc5aa84c03184fd1c8a486be80ff0af1f448c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 10:30:22 +0100
Subject: [PATCH 0826/1326] [test/text-rendering-tests] Update from upstream

Also adds an update.sh script that does this automatically.
---
 .../data/text-rendering-tests/Makefile.am     |  52 ++----------------
 .../text-rendering-tests/Makefile.sources     |  51 +++++++++++++++++
 .../fonts/TestMORXEight.ttf                   | Bin 0 -> 2184 bytes
 .../fonts/TestMORXNine.ttf                    | Bin 0 -> 1624 bytes
 .../text-rendering-tests/tests/MORX-5.tests   |  25 +++++++++
 .../text-rendering-tests/tests/MORX-6.tests   |   1 +
 .../text-rendering-tests/tests/MORX-7.tests   |   1 +
 .../text-rendering-tests/tests/MORX-8.tests   |   3 +
 .../text-rendering-tests/tests/MORX-9.tests   |   1 +
 .../data/text-rendering-tests/update.sh       |  48 ++++++++++++++++
 10 files changed, 136 insertions(+), 46 deletions(-)
 create mode 100644 test/shaping/data/text-rendering-tests/Makefile.sources
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXEight.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXNine.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-5.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-6.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-7.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-8.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-9.tests
 create mode 100755 test/shaping/data/text-rendering-tests/update.sh

diff --git a/test/shaping/data/text-rendering-tests/Makefile.am b/test/shaping/data/text-rendering-tests/Makefile.am
index 56247b7b6..788db1f6b 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.am
+++ b/test/shaping/data/text-rendering-tests/Makefile.am
@@ -6,61 +6,21 @@ NULL =
 lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
 
+update:
+	(cd $(srcdir) && ./update.sh)
+
 EXTRA_DIST = \
 	README \
 	COPYING \
+	update.sh \
 	extract-tests.py \
 	fonts \
-	$(TESTS) \
+	tests \
 	$(NULL)
 
 TEST_EXTENSIONS = .tests
 TESTS_LOG_COMPILER = $(srcdir)/../../run-tests.py $(top_builddir)/util/hb-shape$(EXEEXT)
 
-TESTS = \
-	tests/AVAR-1.tests \
-	tests/CFF-1.tests \
-	tests/CFF2-1.tests \
-	tests/CFF-2.tests \
-	tests/CMAP-1.tests \
-	tests/CMAP-2.tests \
-	tests/CVAR-1.tests \
-	tests/CVAR-2.tests \
-	tests/GLYF-1.tests \
-	tests/GPOS-1.tests \
-	tests/GPOS-2.tests \
-	tests/GPOS-3.tests \
-	tests/GPOS-4.tests \
-	tests/GPOS-5.tests \
-	tests/GSUB-1.tests \
-	tests/GSUB-2.tests \
-	tests/GVAR-1.tests \
-	tests/GVAR-2.tests \
-	tests/GVAR-3.tests \
-	tests/GVAR-4.tests \
-	tests/GVAR-5.tests \
-	tests/GVAR-6.tests \
-	tests/GVAR-7.tests \
-	tests/GVAR-8.tests \
-	tests/GVAR-9.tests \
-	tests/HVAR-1.tests \
-	tests/HVAR-2.tests \
-	tests/KERN-1.tests \
-	tests/KERN-2.tests \
-	tests/SHBALI-3.tests \
-	tests/SHKNDA-1.tests \
-	$(NULL)
-DISABLED_TESTS = \
-	tests/CMAP-3.tests # Non-Unicode cmap \
-	tests/MORX-1.tests # Not implemented \
-	tests/MORX-2.tests # Not implemented \
-	tests/MORX-3.tests # Not implemented \
-	tests/MORX-4.tests # Not implemented \
-	tests/SHARAN-1.tests # Rounding difference \
-	tests/SHBALI-1.tests # Rounding difference \
-	tests/SHBALI-2.tests # Rounding difference \
-	tests/SHKNDA-2.tests # Rounding difference \
-	tests/SHKNDA-3.tests # Rounding difference \
-	$(NULL)
+include Makefile.sources
 
 -include $(top_srcdir)/git.mk
diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
new file mode 100644
index 000000000..913d41952
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -0,0 +1,51 @@
+TESTS = \
+	tests/AVAR-1.tests \
+	tests/CFF-1.tests \
+	tests/CFF2-1.tests \
+	tests/CFF-2.tests \
+	tests/CMAP-1.tests \
+	tests/CMAP-2.tests \
+	tests/CVAR-1.tests \
+	tests/CVAR-2.tests \
+	tests/GLYF-1.tests \
+	tests/GPOS-1.tests \
+	tests/GPOS-2.tests \
+	tests/GPOS-3.tests \
+	tests/GPOS-4.tests \
+	tests/GPOS-5.tests \
+	tests/GSUB-1.tests \
+	tests/GSUB-2.tests \
+	tests/GVAR-1.tests \
+	tests/GVAR-2.tests \
+	tests/GVAR-3.tests \
+	tests/GVAR-4.tests \
+	tests/GVAR-5.tests \
+	tests/GVAR-6.tests \
+	tests/GVAR-7.tests \
+	tests/GVAR-8.tests \
+	tests/GVAR-9.tests \
+	tests/HVAR-1.tests \
+	tests/HVAR-2.tests \
+	tests/KERN-1.tests \
+	tests/KERN-2.tests \
+	tests/MORX-5.tests \
+	tests/MORX-6.tests \
+	tests/MORX-7.tests \
+	tests/MORX-8.tests \
+	tests/MORX-9.tests \
+	tests/SHBALI-3.tests \
+	tests/SHKNDA-1.tests \
+	$(NULL)
+
+DISBALED_TESTS = \
+	tests/CMAP-3.tests \
+	tests/MORX-1.tests \
+	tests/MORX-2.tests \
+	tests/MORX-3.tests \
+	tests/MORX-4.tests \
+	tests/SHARAN-1.tests \
+	tests/SHBALI-1.tests \
+	tests/SHBALI-2.tests \
+	tests/SHKNDA-2.tests \
+	tests/SHKNDA-3.tests \
+	$(NULL)
diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXEight.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXEight.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..9255e996e3d94023a64866e376becef2187030e4
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXNine.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXNine.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..4371df458dfc5c8efd4787bddfd14e9155c8d74e
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-5.tests b/test/shaping/data/text-rendering-tests/tests/MORX-5.tests
new file mode 100644
index 000000000..ca8d08645
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-5.tests
@@ -0,0 +1,25 @@
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0033:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|three@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0034:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|four@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0035:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|five@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0036:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|six@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0037:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|seven@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0038:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|eight@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0038:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|eight@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+0039:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|nine@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+0039:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|nine@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+2793:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|one_zero@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+2793:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|one_zero@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+24EB:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|one_one@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+24EB:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|one_one@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+24EC:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|one_two@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+24EC:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|one_two@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0058,U+0059,U+005A,U+24EC:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|C@2710,0|X@3540,0|Y@3904,0|Z@4236,0|one_two@4558,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+24ED:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|one_three@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+24ED:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|one_three@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0058,U+0059,U+005A,U+24ED:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|C@2710,0|X@3540,0|Y@3904,0|Z@4236,0|one_three@4558,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+24EE:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|one_four@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+24EE:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|one_four@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0058,U+0059,U+005A,U+24EE:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|C@2710,0|X@3540,0|Y@3904,0|Z@4236,0|one_four@4558,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0058,U+0059,U+005A,U+24EF:[P|Q@333,0|R@699,0|A@1050,0|X@1880,0|Y@2244,0|Z@2576,0|one_five@2898,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0058,U+0059,U+005A,U+24EF:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|X@2710,0|Y@3074,0|Z@3406,0|one_five@3728,0]
+../fonts/TestMORXFour.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0050,U+0051,U+0052,U+0041,U+0042,U+0043,U+0058,U+0059,U+005A,U+24EF:[P|Q@333,0|R@699,0|A@1050,0|B@1880,0|C@2710,0|X@3540,0|Y@3904,0|Z@4236,0|one_five@4558,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-6.tests b/test/shaping/data/text-rendering-tests/tests/MORX-6.tests
new file mode 100644
index 000000000..ff9c061a8
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-6.tests
@@ -0,0 +1 @@
+../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+004F,U+004F,U+004F,U+0041,U+0042,U+0043,U+0044,U+0045,U+0046,U+0047,U+004F,U+004F,U+004F,U+0033,U+0031,U+0034,U+0031:[O|O@418,0|O@836,0|E@1254,0|F@2084,0|A@2914,0|G@3744,0|B@4574,0|C@5404,0|D@6234,0|O@7064,0|O@7482,0|O@7900,0|three@8318,0|one@9168,0|four@10018,0|one@10868,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-7.tests b/test/shaping/data/text-rendering-tests/tests/MORX-7.tests
new file mode 100644
index 000000000..f2508486c
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-7.tests
@@ -0,0 +1 @@
+../fonts/TestMORXTwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+004F,U+0042,U+0043,U+0044,U+0031:[B|C@830,0|D@1660,0|O@2490,0|one@2908,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-8.tests b/test/shaping/data/text-rendering-tests/tests/MORX-8.tests
new file mode 100644
index 000000000..aa0d28b51
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-8.tests
@@ -0,0 +1,3 @@
+../fonts/TestMORXEight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0030,U+0041,U+0042,U+0043:[zero|A@914,0|B@1552,0|C@2202,0]
+../fonts/TestMORXEight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0031,U+0041,U+0042,U+0043:[one|B@914,0|C@1564,0|A@2196,0]
+../fonts/TestMORXEight.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0032,U+0041,U+0042,U+0043:[two|C@914,0|A@1546,0|B@2184,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-9.tests b/test/shaping/data/text-rendering-tests/tests/MORX-9.tests
new file mode 100644
index 000000000..a89990874
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-9.tests
@@ -0,0 +1 @@
+../fonts/TestMORXNine.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0058,U+0041,U+0042:[B|A@650,0|X@1288,0|A@1874,0|B@2512,0]
diff --git a/test/shaping/data/text-rendering-tests/update.sh b/test/shaping/data/text-rendering-tests/update.sh
new file mode 100755
index 000000000..31960a14b
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/update.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+dir=`dirname "$0"`
+
+set -ex
+if test -d text-rendering-tests; then
+	cd text-rendering-tests
+	git pull
+	cd ..
+else
+	git clone https://github.com/unicode-org/text-rendering-tests
+fi
+
+test -d fonts && git rm -rf fonts
+test -d fonts && (echo "fonts/ dir not empty; investigate."; false)
+cp -a text-rendering-tests/fonts .
+git add fonts
+
+rmdir tests || true
+test -d tests && git rm -rf tests || true
+test -d tests && (echo "tests/ dir not empty; investigate."; false)
+mkdir tests
+
+echo "NULL =" > Makefile.sources
+echo > Makefile.sources
+echo "TESTS = \\" > Makefile.sources
+
+DISABLED="DISBALED_TESTS = \\"
+for x in text-rendering-tests/testcases/*.html; do
+	test "x$x" = xtext-rendering-tests/testcases/index.html && continue
+	out=tests/`basename "$x" .html`.tests
+	"$dir"/extract-tests.py < "$x" > "$out"
+	if grep -q "^$out$" DISABLED; then
+		DISABLED="$DISABLED
+	$out \\"
+	else
+		echo "	$out \\" >> Makefile.sources
+	fi
+done
+git add tests
+
+echo '	$(NULL)' >> Makefile.sources
+echo >> Makefile.sources
+echo "$DISABLED" >> Makefile.sources
+echo '	$(NULL)' >> Makefile.sources
+git add Makefile.sources
+
+git commit -e -m "[test/text-rendering-tests] Update from upstream"

From 7c32e01d04deaab511d41f5dec0dfd9fc0469f39 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 10:47:31 +0100
Subject: [PATCH 0827/1326] Minor

---
 src/Makefile.am                                  | 1 +
 src/Makefile.sources                             | 2 --
 test/shaping/data/text-rendering-tests/update.sh | 2 --
 util/Makefile.am                                 | 1 +
 util/Makefile.sources                            | 2 --
 5 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index b62e7d0ab..912a98cb0 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,6 @@
 # Process this file with automake to produce Makefile.in
 
+NULL =
 SUBDIRS =
 DIST_SUBDIRS =
 BUILT_SOURCES =
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 4349e0a7e..213aa22f6 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -1,5 +1,3 @@
-NULL =
-
 # Base and default-included sources and headers
 
 HB_BASE_sources = \
diff --git a/test/shaping/data/text-rendering-tests/update.sh b/test/shaping/data/text-rendering-tests/update.sh
index 31960a14b..47545bcdb 100755
--- a/test/shaping/data/text-rendering-tests/update.sh
+++ b/test/shaping/data/text-rendering-tests/update.sh
@@ -21,8 +21,6 @@ test -d tests && git rm -rf tests || true
 test -d tests && (echo "tests/ dir not empty; investigate."; false)
 mkdir tests
 
-echo "NULL =" > Makefile.sources
-echo > Makefile.sources
 echo "TESTS = \\" > Makefile.sources
 
 DISABLED="DISBALED_TESTS = \\"
diff --git a/util/Makefile.am b/util/Makefile.am
index 2543a6091..e6620a237 100644
--- a/util/Makefile.am
+++ b/util/Makefile.am
@@ -1,5 +1,6 @@
 # Process this file with automake to produce Makefile.in
 
+NULL =
 EXTRA_DIST =
 CLEANFILES =
 DISTCLEANFILES =
diff --git a/util/Makefile.sources b/util/Makefile.sources
index 368fdb049..d6c00cc4d 100644
--- a/util/Makefile.sources
+++ b/util/Makefile.sources
@@ -1,5 +1,3 @@
-NULL =
-
 HB_VIEW_sources = \
 	hb-view.cc \
 	options.cc \

From de02b5093c42a527ae67084b30943369ed59efe6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 10:48:42 +0100
Subject: [PATCH 0828/1326] [test/in-house] Add Makefile.sources

---
 test/shaping/data/in-house/Makefile.am      | 46 +--------------------
 test/shaping/data/in-house/Makefile.sources | 46 +++++++++++++++++++++
 2 files changed, 48 insertions(+), 44 deletions(-)
 create mode 100644 test/shaping/data/in-house/Makefile.sources

diff --git a/test/shaping/data/in-house/Makefile.am b/test/shaping/data/in-house/Makefile.am
index 2f9551918..aab1652e8 100644
--- a/test/shaping/data/in-house/Makefile.am
+++ b/test/shaping/data/in-house/Makefile.am
@@ -9,54 +9,12 @@ lib:
 EXTRA_DIST = \
 	COPYING \
 	fonts \
-	$(TESTS) \
+	tests \
 	$(NULL)
 
 TEST_EXTENSIONS = .tests
 TESTS_LOG_COMPILER = $(srcdir)/../../run-tests.py $(top_builddir)/util/hb-shape$(EXEEXT)
 
-TESTS = \
-	tests/arabic-fallback-shaping.tests \
-	tests/arabic-feature-order.tests \
-	tests/arabic-like-joining.tests \
-	tests/arabic-mark-order.tests \
-	tests/arabic-stch.tests \
-	tests/automatic-fractions.tests \
-	tests/cluster.tests \
-	tests/color-fonts.tests \
-	tests/context-matching.tests \
-	tests/cursive-positioning.tests \
-	tests/default-ignorables.tests \
-	tests/emoji-flag-tags.tests \
-	tests/fallback-positioning.tests \
-	tests/fuzzed.tests \
-	tests/hangul-jamo.tests \
-	tests/hyphens.tests \
-	tests/indic-consonant-with-stacker.tests \
-	tests/indic-init.tests \
-	tests/indic-joiner-candrabindu.tests \
-	tests/indic-joiners.tests \
-	tests/indic-old-spec.tests \
-	tests/indic-pref-blocking.tests \
-	tests/indic-script-extensions.tests \
-	tests/indic-special-cases.tests \
-	tests/indic-syllable.tests \
-	tests/language-tags.tests \
-	tests/ligature-id.tests \
-	tests/mark-attachment.tests \
-	tests/mark-filtering-sets.tests \
-	tests/mongolian-variation-selector.tests \
-	tests/spaces.tests \
-	tests/simple.tests \
-	tests/tibetan-contractions-1.tests \
-	tests/tibetan-contractions-2.tests \
-	tests/tibetan-vowels.tests \
-	tests/use.tests \
-	tests/use-marchen.tests \
-	tests/use-syllable.tests \
-	tests/variations-rvrn.tests \
-	tests/vertical.tests \
-	tests/zero-width-marks.tests \
-	$(NULL)
+include Makefile.sources
 
 -include $(top_srcdir)/git.mk
diff --git a/test/shaping/data/in-house/Makefile.sources b/test/shaping/data/in-house/Makefile.sources
new file mode 100644
index 000000000..247133d4c
--- /dev/null
+++ b/test/shaping/data/in-house/Makefile.sources
@@ -0,0 +1,46 @@
+TESTS = \
+	tests/arabic-fallback-shaping.tests \
+	tests/arabic-feature-order.tests \
+	tests/arabic-like-joining.tests \
+	tests/arabic-mark-order.tests \
+	tests/arabic-stch.tests \
+	tests/automatic-fractions.tests \
+	tests/cluster.tests \
+	tests/color-fonts.tests \
+	tests/context-matching.tests \
+	tests/cursive-positioning.tests \
+	tests/default-ignorables.tests \
+	tests/emoji-flag-tags.tests \
+	tests/fallback-positioning.tests \
+	tests/fuzzed.tests \
+	tests/hangul-jamo.tests \
+	tests/hyphens.tests \
+	tests/indic-consonant-with-stacker.tests \
+	tests/indic-init.tests \
+	tests/indic-joiner-candrabindu.tests \
+	tests/indic-joiners.tests \
+	tests/indic-old-spec.tests \
+	tests/indic-pref-blocking.tests \
+	tests/indic-script-extensions.tests \
+	tests/indic-special-cases.tests \
+	tests/indic-syllable.tests \
+	tests/language-tags.tests \
+	tests/ligature-id.tests \
+	tests/mark-attachment.tests \
+	tests/mark-filtering-sets.tests \
+	tests/mongolian-variation-selector.tests \
+	tests/spaces.tests \
+	tests/simple.tests \
+	tests/tibetan-contractions-1.tests \
+	tests/tibetan-contractions-2.tests \
+	tests/tibetan-vowels.tests \
+	tests/use.tests \
+	tests/use-marchen.tests \
+	tests/use-syllable.tests \
+	tests/variations-rvrn.tests \
+	tests/vertical.tests \
+	tests/zero-width-marks.tests \
+	$(NULL)
+
+DISABLED_TESTS = \
+	$(NULL)

From d6076747ac6706b4d8361714d46aced9683c44a8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 10:51:46 +0100
Subject: [PATCH 0829/1326] [test/text-rendering-tests] Add DISABLED list

---
 .../data/text-rendering-tests/DISABLED        | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 test/shaping/data/text-rendering-tests/DISABLED

diff --git a/test/shaping/data/text-rendering-tests/DISABLED b/test/shaping/data/text-rendering-tests/DISABLED
new file mode 100644
index 000000000..7d63246ca
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/DISABLED
@@ -0,0 +1,20 @@
+# Non-Unicode cmap
+tests/CMAP-3.tests
+
+# Not implemented
+tests/MORX-1.tests
+tests/MORX-2.tests
+tests/MORX-3.tests
+tests/MORX-4.tests
+tests/MORX-5.tests
+tests/MORX-6.tests
+tests/MORX-7.tests
+tests/MORX-8.tests
+tests/MORX-9.tests
+
+# Rounding differences
+tests/SHARAN-1.tests
+tests/SHBALI-1.tests
+tests/SHBALI-2.tests
+tests/SHKNDA-2.tests
+tests/SHKNDA-3.tests

From 994eb7744c530bbaa5d6d8b8e07ca936e81aade8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 11:37:12 +0100
Subject: [PATCH 0830/1326] [buffer] Fix crash

---
 src/hb-buffer-serialize.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-buffer-serialize.cc b/src/hb-buffer-serialize.cc
index 6a19c43c3..11471941d 100644
--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@@ -182,7 +182,7 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
     } else
       return i - start;
 
-    if (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES)
+    if (pos && (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES))
     {
       x += pos[i].x_advance;
       y += pos[i].y_advance;
@@ -268,7 +268,7 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
     } else
       return i - start;
 
-    if (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES)
+    if (pos && (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES))
     {
       x += pos[i].x_advance;
       y += pos[i].y_advance;

From 94644d7ea4cf217e4d6c6ff57d65e1e20866ea6d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 11:49:07 +0100
Subject: [PATCH 0831/1326] [aat] Generate finegrained unsafe-to-break in
 state-machine!

Neato.
---
 src/hb-aat-layout-morx-table.hh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index cbc69d26e..8c62b1747 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -57,16 +57,19 @@ struct RearrangementSubtable
     unsigned int num_glyphs = c->face->get_num_glyphs ();
 
     unsigned int state = 0;
+    unsigned int last_zero = 0;
+    unsigned int last_zero_before_start = 0;
     unsigned int start = 0;
     unsigned int end = 0;
 
     hb_glyph_info_t *info = c->buffer->info;
     unsigned int count = c->buffer->len;
 
-    c->buffer->unsafe_to_break (0, count); /* TODO Improve. */
-
     for (unsigned int i = 0; i < count; i++)
     {
+      if (!state)
+	last_zero = i;
+
       unsigned int klass = machine.get_class (info[i].codepoint, num_glyphs);
       const Entry<void> *entry = machine.get_entry (state, klass);
       if (unlikely (!entry))
@@ -75,7 +78,10 @@ struct RearrangementSubtable
       unsigned int flags = entry->flags;
 
       if (flags & MarkFirst)
+      {
 	start = i;
+	last_zero_before_start = last_zero;
+      }
 
       if (flags & MarkLast)
 	end = i + 1;
@@ -114,6 +120,7 @@ struct RearrangementSubtable
 
 	if (end - start >= l + r)
 	{
+	  c->buffer->unsafe_to_break (last_zero_before_start, i + 1);
 	  c->buffer->merge_clusters (start, end);
 
 	  hb_glyph_info_t buf[4];

From 4177f646aa60180f094e064a53e54c5402fe53c6 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 11 Jan 2018 15:43:23 +0330
Subject: [PATCH 0832/1326] [cmake] Update and unbreak (#700)

---
 test/shaping/CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/shaping/CMakeLists.txt b/test/shaping/CMakeLists.txt
index b79d5328c..4bdc5c9e0 100644
--- a/test/shaping/CMakeLists.txt
+++ b/test/shaping/CMakeLists.txt
@@ -1,5 +1,5 @@
 if (HB_BUILD_UTILS)
-  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/in-house/Makefile.am" INHOUSE)
+  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/in-house/Makefile.sources" INHOUSE)
   extract_make_variable (TESTS ${INHOUSE})
   foreach (test IN ITEMS ${TESTS})
     add_test (NAME ${test}
@@ -7,7 +7,7 @@ if (HB_BUILD_UTILS)
       WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
   endforeach ()
 
-  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/text-rendering-tests/Makefile.am" TEXTRENDERING)
+  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/text-rendering-tests/Makefile.sources" TEXTRENDERING)
   extract_make_variable (TESTS ${TEXTRENDERING})
   foreach (test IN ITEMS ${TESTS})
     add_test (NAME ${test}

From 9adbd938fafe1de4e279489fc37ae33c900e22f0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 11:55:10 +0100
Subject: [PATCH 0833/1326] Minor

---
 src/hb-aat-layout-morx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 8c62b1747..520ae7521 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -147,7 +147,7 @@ struct RearrangementSubtable
 	}
       }
 
-      if (false/* XXX*/ && flags & DontAdvance)
+      if (false/* XXX */ && flags & DontAdvance)
         i--; /* XXX Detect infinite loop. */
 
       state = entry->newState;

From fc405b7ca77088135cb7de11cb32c254b85272fd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 11:55:29 +0100
Subject: [PATCH 0834/1326] [test/text-rendering-tests] Update from upstream

---
 test/shaping/data/text-rendering-tests/DISABLED  |   1 +
 .../data/text-rendering-tests/Makefile.sources   |  11 ++++++-----
 .../text-rendering-tests/fonts/TestMORXTen.ttf   | Bin 0 -> 1620 bytes
 .../text-rendering-tests/tests/MORX-10.tests     |   1 +
 4 files changed, 8 insertions(+), 5 deletions(-)
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTen.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-10.tests

diff --git a/test/shaping/data/text-rendering-tests/DISABLED b/test/shaping/data/text-rendering-tests/DISABLED
index 7d63246ca..0e1b89b30 100644
--- a/test/shaping/data/text-rendering-tests/DISABLED
+++ b/test/shaping/data/text-rendering-tests/DISABLED
@@ -11,6 +11,7 @@ tests/MORX-6.tests
 tests/MORX-7.tests
 tests/MORX-8.tests
 tests/MORX-9.tests
+tests/MORX-10.tests
 
 # Rounding differences
 tests/SHARAN-1.tests
diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index 913d41952..8e0f4318c 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -28,11 +28,7 @@ TESTS = \
 	tests/HVAR-2.tests \
 	tests/KERN-1.tests \
 	tests/KERN-2.tests \
-	tests/MORX-5.tests \
-	tests/MORX-6.tests \
-	tests/MORX-7.tests \
-	tests/MORX-8.tests \
-	tests/MORX-9.tests \
+	tests/MORX-10.tests \
 	tests/SHBALI-3.tests \
 	tests/SHKNDA-1.tests \
 	$(NULL)
@@ -43,6 +39,11 @@ DISBALED_TESTS = \
 	tests/MORX-2.tests \
 	tests/MORX-3.tests \
 	tests/MORX-4.tests \
+	tests/MORX-5.tests \
+	tests/MORX-6.tests \
+	tests/MORX-7.tests \
+	tests/MORX-8.tests \
+	tests/MORX-9.tests \
 	tests/SHARAN-1.tests \
 	tests/SHBALI-1.tests \
 	tests/SHBALI-2.tests \
diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXTen.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXTen.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..5827ec5a60c8d8e37762784997093da541cb64ef
GIT binary patch
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Dw*3(4

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HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-10.tests b/test/shaping/data/text-rendering-tests/tests/MORX-10.tests
new file mode 100644
index 000000000..a6a5444fb
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-10.tests
@@ -0,0 +1 @@
+../fonts/TestMORXTen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0041,U+0042,U+0041,U+0042:[A|B@638,0|A@1288,0|B@1926,0|B@2576,0|A@3226,0]

From 62348f647f7b1604e008dbed46a54eff245fc106 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 12:00:28 +0100
Subject: [PATCH 0835/1326] [aat] Implement end-of-text in state machine

Passes MORX-10 test now.
---
 src/hb-aat-layout-morx-table.hh | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 520ae7521..86e78b54f 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -65,12 +65,14 @@ struct RearrangementSubtable
     hb_glyph_info_t *info = c->buffer->info;
     unsigned int count = c->buffer->len;
 
-    for (unsigned int i = 0; i < count; i++)
+    for (unsigned int i = 0; i <= count; i++)
     {
       if (!state)
 	last_zero = i;
 
-      unsigned int klass = machine.get_class (info[i].codepoint, num_glyphs);
+      unsigned int klass = i < count ?
+			   machine.get_class (info[i].codepoint, num_glyphs) :
+			   0 /* End of text */;
       const Entry<void> *entry = machine.get_entry (state, klass);
       if (unlikely (!entry))
         break;
@@ -83,7 +85,7 @@ struct RearrangementSubtable
 	last_zero_before_start = last_zero;
       }
 
-      if (flags & MarkLast)
+      if (flags & MarkLast && i < count)
 	end = i + 1;
 
       if ((flags & Verb) && start < end)
@@ -120,7 +122,7 @@ struct RearrangementSubtable
 
 	if (end - start >= l + r)
 	{
-	  c->buffer->unsafe_to_break (last_zero_before_start, i + 1);
+	  c->buffer->unsafe_to_break (last_zero_before_start, MIN (i + 1, count));
 	  c->buffer->merge_clusters (start, end);
 
 	  hb_glyph_info_t buf[4];

From 335a9c1fe489db53549801b4996dd0f6f5eded62 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 14:50:47 +0100
Subject: [PATCH 0836/1326] [aat] Towards implementing ContextualSubtable

---
 src/hb-aat-layout-common-private.hh | 58 ++++++++++++++++++-
 src/hb-aat-layout-morx-table.hh     | 88 ++++++++++++++++++++---------
 2 files changed, 117 insertions(+), 29 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 32ba63267..887350bb6 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -151,6 +151,7 @@ struct UnsizedArrayOf
   inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
   {
     TRACE_SANITIZE (this);
+    if (unlikely (!sanitize_shallow (c, count))) return_trace (false);
 
     /* Note: for structs that do not reference other structs,
      * we do not need to call their sanitize() as we already did
@@ -159,8 +160,34 @@ struct UnsizedArrayOf
      * pointed to do have a simple sanitize(), ie. they do not
      * reference other structs via offsets.
      */
-    (void) (false && count && arrayZ->sanitize (c));
+    (void) (false && arrayZ[0].sanitize (c));
 
+    return_trace (true);
+  }
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int count, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!sanitize_shallow (c, count))) return_trace (false);
+    for (unsigned int i = 0; i < count; i++)
+      if (unlikely (!arrayZ[i].sanitize (c, base)))
+        return_trace (false);
+    return_trace (true);
+  }
+  template <typename T>
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int count, const void *base, T user_data) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!sanitize_shallow (c, count))) return_trace (false);
+    for (unsigned int i = 0; i < count; i++)
+      if (unlikely (!arrayZ[i].sanitize (c, base, user_data)))
+        return_trace (false);
+    return_trace (true);
+  }
+
+  private:
+  inline bool sanitize_shallow (hb_sanitize_context_t *c, unsigned int count) const
+  {
+    TRACE_SANITIZE (this);
     return_trace (c->check_array (arrayZ, arrayZ[0].static_size, count));
   }
 
@@ -170,6 +197,32 @@ struct UnsizedArrayOf
   DEFINE_SIZE_ARRAY (0, arrayZ);
 };
 
+/* Unsized array of offset's */
+template <typename Type, typename OffsetType>
+struct UnsizedOffsetArrayOf : UnsizedArrayOf<OffsetTo<Type, OffsetType> > {};
+
+/* Unsized array of offsets relative to the beginning of the array itself. */
+template <typename Type, typename OffsetType>
+struct UnsizedOffsetListOf : UnsizedOffsetArrayOf<Type, OffsetType>
+{
+  inline const Type& operator [] (unsigned int i) const
+  {
+    return this+this->arrayZ[i];
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace ((UnsizedOffsetArrayOf<Type, OffsetType>::sanitize (c, count, this)));
+  }
+  template <typename T>
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int count, T user_data) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace ((UnsizedOffsetArrayOf<Type, OffsetType>::sanitize (c, count, this, user_data)));
+  }
+};
+
 
 /*
  * Lookup Table
@@ -507,10 +560,9 @@ struct StateTable
     return &entries[entry]; /* XXX bound check. */
   }
 
-  inline bool sanitize (hb_sanitize_context_t *c, unsigned int num_glyphs) const
+  inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (true);
     return_trace (c->check_struct (this)); /* XXX */
   }
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 86e78b54f..6c9c51544 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -42,11 +42,17 @@ using namespace OT;
 template <typename Types>
 struct RearrangementSubtable
 {
-  enum {
-    MarkFirst	= 0x8000,
-    DontAdvance	= 0x4000,
-    MarkLast	= 0x2000,
-    Verb	= 0x000F,
+  enum Flags {
+    MarkFirst	= 0x8000,	/* If set, make the current glyph the first
+				 * glyph to be rearranged. */
+    DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph
+				 * before going to the new state. This means
+				 * that the glyph index doesn't change, even
+				 * if the glyph at that index has changed. */
+    MarkLast	= 0x2000,	/* If set, make the current glyph the last
+				 * glyph to be rearranged. */
+    Reserved	= 0x1FF0,	/* These bits are reserved and should be set to 0. */
+    Verb	= 0x000F,	/* The type of rearrangement specified. */
   };
 
   inline bool apply (hb_apply_context_t *c) const
@@ -161,7 +167,7 @@ struct RearrangementSubtable
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (machine.sanitize (c, 0/*XXX*/));
+    return_trace (machine.sanitize (c));
   }
 
   protected:
@@ -170,8 +176,27 @@ struct RearrangementSubtable
   DEFINE_SIZE_MIN (2);
 };
 
+template <typename Types>
 struct ContextualSubtable
 {
+  typedef typename Types::HBUINT HBUINT;
+
+  enum Flags {
+    SetMark	= 0x8000,	/* If set, make the current glyph the marked glyph. */
+    DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph before
+				 * going to the new state. */
+    Reserved	= 0x3FFF,	/* These bits are reserved and should be set to 0. */
+  };
+
+  /* XXX the following is different in mort: it's directly index to sublookups. */
+  struct EntryData
+  {
+    HBUINT16	markIndex;	/* Index of the substitution table for the
+				 * marked glyph (use 0xFFFF for none). */
+    HBUINT16	currentIndex;	/* Index of the substitution table for the
+				 * current glyph (use 0xFFFF for none). */
+  };
+
   inline bool apply (hb_apply_context_t *c) const
   {
     TRACE_APPLY (this);
@@ -182,11 +207,19 @@ struct ContextualSubtable
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    /* TODO */
-    return_trace (false);
+    return_trace (machine.sanitize (c) &&
+		  substitutionTables.sanitize (c, this, 0U/*XXX count*/));
   }
+
+  protected:
+  StateTable<Types, EntryData>	machine;
+  OffsetTo<UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT>, HBUINT>
+				substitutionTables;
+  public:
+  DEFINE_SIZE_MIN (2);
 };
 
+template <typename Types>
 struct LigatureSubtable
 {
   inline bool apply (hb_apply_context_t *c) const
@@ -204,6 +237,7 @@ struct LigatureSubtable
   }
 };
 
+template <typename Types>
 struct NoncontextualSubtable
 {
   inline bool apply (hb_apply_context_t *c) const
@@ -240,6 +274,7 @@ struct NoncontextualSubtable
   DEFINE_SIZE_MIN (2);
 };
 
+template <typename Types>
 struct InsertionSubtable
 {
   inline bool apply (hb_apply_context_t *c) const
@@ -334,12 +369,11 @@ struct ChainSubtable
   HBUINT		coverage;	/* Coverage flags and subtable type. */
   HBUINT32		subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
   union {
-  RearrangementSubtable<Types>
-			rearrangement;
-  ContextualSubtable	contextual;
-  LigatureSubtable	ligature;
-  NoncontextualSubtable	noncontextual;
-  InsertionSubtable	insertion;
+  RearrangementSubtable<Types>	rearrangement;
+  ContextualSubtable<Types>	contextual;
+  LigatureSubtable<Types>	ligature;
+  NoncontextualSubtable<Types>	noncontextual;
+  InsertionSubtable<Types>	insertion;
   } u;
   public:
   DEFINE_SIZE_MIN (2 * sizeof (HBUINT) + 4);
@@ -455,8 +489,22 @@ struct mortmorx
   DEFINE_SIZE_MIN (8);
 };
 
+struct MortTypes
+{
+  static const bool extended = false;
+  typedef HBUINT16 HBUINT;
+  typedef HBUINT8 HBUSHORT;
+  struct ClassType : ClassTable
+  {
+    inline unsigned int get_class (hb_codepoint_t glyph_id, unsigned int num_glyphs HB_UNUSED) const
+    {
+      return ClassTable::get_class (glyph_id);
+    }
+  };
+};
 struct MorxTypes
 {
+  static const bool extended = true;
   typedef HBUINT32 HBUINT;
   typedef HBUINT16 HBUSHORT;
   struct ClassType : Lookup<HBUINT16>
@@ -468,18 +516,6 @@ struct MorxTypes
     }
   };
 };
-struct MortTypes
-{
-  typedef HBUINT16 HBUINT;
-  typedef HBUINT8 HBUSHORT;
-  struct ClassType : ClassTable
-  {
-    inline unsigned int get_class (hb_codepoint_t glyph_id, unsigned int num_glyphs HB_UNUSED) const
-    {
-      return ClassTable::get_class (glyph_id);
-    }
-  };
-};
 
 struct mort : mortmorx<MortTypes>
 {

From f9be673814aeb2c8abab52a672598576c6ed20c2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 15:15:07 +0100
Subject: [PATCH 0837/1326] [aat] Implement ContextualSubtable

Tested with Zapfino and text "2nd". Sascha will create tests later.
---
 src/hb-aat-layout-morx-table.hh | 70 +++++++++++++++++++++++++++++++--
 1 file changed, 66 insertions(+), 4 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 6c9c51544..80164af03 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -200,8 +200,70 @@ struct ContextualSubtable
   inline bool apply (hb_apply_context_t *c) const
   {
     TRACE_APPLY (this);
-    /* TODO */
-    return_trace (false);
+
+    bool ret = false;
+    unsigned int num_glyphs = c->face->get_num_glyphs ();
+
+    const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT> &subs = this+substitutionTables;
+
+    unsigned int state = 0;
+    unsigned int last_zero = 0;
+    unsigned int last_zero_before_mark = 0;
+    unsigned int mark = 0;
+
+    hb_glyph_info_t *info = c->buffer->info;
+    unsigned int count = c->buffer->len;
+
+    for (unsigned int i = 0; i <= count; i++)
+    {
+      if (!state)
+	last_zero = i;
+
+      unsigned int klass = i < count ?
+			   machine.get_class (info[i].codepoint, num_glyphs) :
+			   0 /* End of text */;
+      const Entry<EntryData> *entry = machine.get_entry (state, klass);
+      if (unlikely (!entry))
+        break;
+
+      unsigned int flags = entry->flags;
+
+      if (flags & SetMark)
+      {
+	mark = i;
+	last_zero_before_mark = last_zero;
+      }
+
+      if (entry->data.markIndex != 0xFFFF)
+      {
+	const Lookup<GlyphID> &lookup = subs[entry->data.markIndex]; // XXX bounds
+	const GlyphID *replacement = lookup.get_value (info[mark].codepoint, num_glyphs);
+	if (replacement)
+	{
+	  c->buffer->unsafe_to_break (last_zero_before_mark, MIN (i + 1, count));
+	  info[mark].codepoint = *replacement;
+	  ret = true;
+	}
+      }
+      if (entry->data.currentIndex != 0xFFFF)
+      {
+	const Lookup<GlyphID> &lookup = subs[entry->data.currentIndex]; // XXX bounds
+	const GlyphID *replacement = lookup.get_value (info[i].codepoint, num_glyphs);
+	if (replacement)
+	{
+	  c->buffer->unsafe_to_break (last_zero, MIN (i + 1, count));
+	  info[i].codepoint = *replacement;
+	  ret = true;
+	}
+      }
+
+      if (false/* XXX */ && flags & DontAdvance)
+        i--; /* XXX Detect infinite loop. */
+
+      state = entry->newState;
+    }
+
+    return_trace (ret);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -233,7 +295,7 @@ struct LigatureSubtable
   {
     TRACE_SANITIZE (this);
     /* TODO */
-    return_trace (false);
+    return_trace (true);
   }
 };
 
@@ -288,7 +350,7 @@ struct InsertionSubtable
   {
     TRACE_SANITIZE (this);
     /* TODO */
-    return_trace (false);
+    return_trace (true);
   }
 };
 

From 1d20d109a07bf9c775ab91dfbbb55f7bd80fd9d6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 15:18:22 +0100
Subject: [PATCH 0838/1326] [test/text-rendering-tests] Update from upstream

---
 test/shaping/data/text-rendering-tests/DISABLED  |   3 ++-
 .../data/text-rendering-tests/Makefile.sources   |   3 ++-
 .../fonts/TestMORXEleven.ttf                     | Bin 0 -> 1624 bytes
 .../text-rendering-tests/tests/MORX-11.tests     |   1 +
 4 files changed, 5 insertions(+), 2 deletions(-)
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXEleven.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-11.tests

diff --git a/test/shaping/data/text-rendering-tests/DISABLED b/test/shaping/data/text-rendering-tests/DISABLED
index 0e1b89b30..610e1957e 100644
--- a/test/shaping/data/text-rendering-tests/DISABLED
+++ b/test/shaping/data/text-rendering-tests/DISABLED
@@ -1,7 +1,7 @@
 # Non-Unicode cmap
 tests/CMAP-3.tests
 
-# Not implemented
+# Not hooked up
 tests/MORX-1.tests
 tests/MORX-2.tests
 tests/MORX-3.tests
@@ -12,6 +12,7 @@ tests/MORX-7.tests
 tests/MORX-8.tests
 tests/MORX-9.tests
 tests/MORX-10.tests
+tests/MORX-11.tests
 
 # Rounding differences
 tests/SHARAN-1.tests
diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index 8e0f4318c..0c210fa8f 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -28,13 +28,14 @@ TESTS = \
 	tests/HVAR-2.tests \
 	tests/KERN-1.tests \
 	tests/KERN-2.tests \
-	tests/MORX-10.tests \
+	tests/MORX-11.tests \
 	tests/SHBALI-3.tests \
 	tests/SHKNDA-1.tests \
 	$(NULL)
 
 DISBALED_TESTS = \
 	tests/CMAP-3.tests \
+	tests/MORX-10.tests \
 	tests/MORX-1.tests \
 	tests/MORX-2.tests \
 	tests/MORX-3.tests \
diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXEleven.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXEleven.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..92b889cafde2ad4dd891ce6943fb78c030701ac0
GIT binary patch
literal 1624
zcmb7EUuauZ82_Dfo20c{yO?yFI>wD@>&v>%WQN%VUFR(7x`j6D8a7P5Hfb|Snv!H&
zhpzZA5erHcA4Gi^2!c>i6xqv^mA#CNF`q;qI&^c;2NfTtFtmxk@7!#(G6c`%yWgMl
z{rP?0J@-HXXvM3rup^P|jpVjWW&pK|))&SL&NN1Go%#axeUtf96SqHZ{fPSCq~=`K
z$+W%s`VZVYPm1Me@aEJd%C|_Jxk6>;zE5$HzVA^F=8NMFPU9-|->I)FI5X3zU=Q`p
z)a^pCG-Kbtr~%I})bmqLA-ntCBVPhm6QIve7t59U&v={r7r4I-f}Qm8xf?gf+T(w~
zvX*JVcdx|WH~jSaw}k6ieTB>iW;Tm4)^eRa>N(N%tjXl=xo?lLco5=TWGTjOg@+QS
zW0s{KR`awp>p7jGWxvZ+8WFWkJjD54Yh?fELH2ATW!c1ViI`<#(hJlrEt9l~X%uNC
zUC$bnj(!f*Ob3D}NL&&Tq;&^*Gau>B#$KfAbtCnQRR5{ISYL3n(<-ZjPYgMnVMLlW
zZ|f?v`G7#kAL{al{Au+;Evs_1%euM}i|WkEhbFf>M<3dOu8=RRqAF~4cR%9w`J(D_
z?dHf)wP{Fge16dv^tEpoy1uleudGD1C-}qz@!s!Q!6E!Ztks51(xHlM><D^&9r6x`
z{eejAv7O!FaECwIkW|myYXf`Fo~itGE%i+D=!y9wiQ)7cx;i}eWOAM7p?T*eU9Ell
zc)V}tjoKFjd*c1<QYJRQ8m&Ocvcdr?8VE$Kfco+43uC`t%Y63v*wSw*R;#LtI$T>;
zn`;X-a|BvYl8H98a6WO8D=TcF=E|D5Qw_O^XK$h*dnv!ukX!H|zG=wo)mBK?lCup5
z)t?PH0I%MMr%=Q+PO<7SO!8Y)IFV0C5q`}_v5V3OrnomwzYMahVdGg^#<3lTsFxXW
z00|5e)6>Y)a)LBPJ<EK@X>pkQzdY^#;oI{s-z2k_i6uuaC$2<(l9i=mj;PDD4iNd2
z=_^TTg3?KYDa$?ABX9Z>)MdtIXg^L_x-C(zFq8Nu+4mrMg7XsJ)tLv^WUz7A#FlB5
z+BPS--H^Qs*V?LgusEEb!#J7Si)NlS@g6fMY}%x1KZeL1+WN@ln^lOZ550V38uBgW
zJ}a}TV91jfX`SSLg7JfQW6F&vIRkG0MfP4|j_j(KwMff%v-C9j>X(1r{WF33S3EoS
zT5=6p=tLKGH+&T>LUNPIonihO;k+&6=8(NRD{i}z*d)^ilHApu=Du+w6(i(+<g(2h
HIE#M(aflP<

literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-11.tests b/test/shaping/data/text-rendering-tests/tests/MORX-11.tests
new file mode 100644
index 000000000..1fce69bc7
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-11.tests
@@ -0,0 +1 @@
+../fonts/TestMORXEleven.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0042,U+0041,U+0042,U+0042,U+0041,U+0041,U+0042,U+0058:[B|A@650,0|B@1288,0|B@1938,0|A@2588,0|X@3226,0|A@3812,0|B@4450,0]

From f6be730994434e706cc27d68b796492d876e82b6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 15:23:24 +0100
Subject: [PATCH 0839/1326] [aat] In NoncontextualSubtable, handle MarkLast
 with end-of-line transition

Fixes MORX-11 test.
---
 src/hb-aat-layout-morx-table.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 80164af03..5dec189fd 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -91,8 +91,8 @@ struct RearrangementSubtable
 	last_zero_before_start = last_zero;
       }
 
-      if (flags & MarkLast && i < count)
-	end = i + 1;
+      if (flags & MarkLast)
+	end = MIN (i + 1, count);
 
       if ((flags & Verb) && start < end)
       {

From d887f931485b715775e922516a4b0de5bb92c34f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 17:41:34 +0100
Subject: [PATCH 0840/1326] [aat] Make bots happy

Don't know why this is not caught by my compiler.  Looks like clang catches it
while gcc doesn't.

In file included from ../src/hb-aat-layout-morx-table.hh:31:
../src/hb-aat-layout-common-private.hh:523:30: error: no member named 'static_size' in 'AAT::ContextualSubtable<AAT::MorxTypes>::EntryData'
  DEFINE_SIZE_STATIC (4 + T::static_size);
                            ~~~^
---
 src/hb-aat-layout-morx-table.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 5dec189fd..f13b55cab 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -195,6 +195,8 @@ struct ContextualSubtable
 				 * marked glyph (use 0xFFFF for none). */
     HBUINT16	currentIndex;	/* Index of the substitution table for the
 				 * current glyph (use 0xFFFF for none). */
+    public:
+    DEFINE_SIZE_MIN (4);
   };
 
   inline bool apply (hb_apply_context_t *c) const

From 3f291ffd5a9480ac0f528eaedd43c7e9af738ee2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 17:57:46 +0100
Subject: [PATCH 0841/1326] [buffer] Fix compiler warnings

line 323: Warning: info hides hb_buffer_t::info
...
---
 src/hb-buffer-private.hh | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index fa5ca166d..9148ef31b 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -307,37 +307,37 @@ struct hb_buffer_t {
   HB_INTERNAL bool message_impl (hb_font_t *font, const char *fmt, va_list ap) HB_PRINTF_FUNC(3, 0);
 
   static inline void
-  set_cluster (hb_glyph_info_t &info, unsigned int cluster, unsigned int mask = 0)
+  set_cluster (hb_glyph_info_t &inf, unsigned int cluster, unsigned int mask = 0)
   {
-    if (info.cluster != cluster)
+    if (inf.cluster != cluster)
     {
       if (mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK)
-	info.mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+	inf.mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
       else
-	info.mask &= ~HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+	inf.mask &= ~HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
     }
-    info.cluster = cluster;
+    inf.cluster = cluster;
   }
 
   inline int
-  _unsafe_to_break_find_min_cluster (const hb_glyph_info_t *info,
+  _unsafe_to_break_find_min_cluster (const hb_glyph_info_t *infos,
 				     unsigned int start, unsigned int end,
 				     unsigned int cluster) const
   {
     for (unsigned int i = start; i < end; i++)
-      cluster = MIN<unsigned int> (cluster, info[i].cluster);
+      cluster = MIN<unsigned int> (cluster, infos[i].cluster);
     return cluster;
   }
   inline void
-  _unsafe_to_break_set_mask (hb_glyph_info_t *info,
+  _unsafe_to_break_set_mask (hb_glyph_info_t *infos,
 			     unsigned int start, unsigned int end,
 			     unsigned int cluster)
   {
     for (unsigned int i = start; i < end; i++)
-      if (cluster != info[i].cluster)
+      if (cluster != infos[i].cluster)
       {
 	scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_UNSAFE_TO_BREAK;
-	info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+	infos[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
       }
   }
 

From 1eb98c9916c6cb447f999170840b7f37de4b282d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 17:59:03 +0100
Subject: [PATCH 0842/1326] [test/text-rendering-tests] Actually disable
 MORX-11

---
 test/shaping/data/text-rendering-tests/Makefile.sources | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index 0c210fa8f..e09091a60 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -28,7 +28,6 @@ TESTS = \
 	tests/HVAR-2.tests \
 	tests/KERN-1.tests \
 	tests/KERN-2.tests \
-	tests/MORX-11.tests \
 	tests/SHBALI-3.tests \
 	tests/SHKNDA-1.tests \
 	$(NULL)
@@ -36,6 +35,7 @@ TESTS = \
 DISBALED_TESTS = \
 	tests/CMAP-3.tests \
 	tests/MORX-10.tests \
+	tests/MORX-11.tests \
 	tests/MORX-1.tests \
 	tests/MORX-2.tests \
 	tests/MORX-3.tests \

From 0e3b3379a04a67a22e44e17d6bf849359f4fca68 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 18:01:10 +0100
Subject: [PATCH 0843/1326] [aat] Actually fix
 d887f931485b715775e922516a4b0de5bb92c34f

---
 src/hb-aat-layout-morx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index f13b55cab..0433f1f48 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -196,7 +196,7 @@ struct ContextualSubtable
     HBUINT16	currentIndex;	/* Index of the substitution table for the
 				 * current glyph (use 0xFFFF for none). */
     public:
-    DEFINE_SIZE_MIN (4);
+    DEFINE_SIZE_STATIC (4);
   };
 
   inline bool apply (hb_apply_context_t *c) const

From 680cbc2eb325edc6b8562f39485b146aa56b3872 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 18:15:53 +0100
Subject: [PATCH 0844/1326] [aat] Sanitize StateTable

---
 src/hb-aat-layout-common-private.hh | 43 +++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 3 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 887350bb6..4d2285a81 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -552,18 +552,55 @@ struct StateTable
 
   inline const Entry<Extra> *get_entry (unsigned int state, unsigned int klass) const
   {
+    if (unlikely (klass >= nClasses)) return nullptr;
+
     const HBUSHORT *states = (this+stateArrayTable).arrayZ;
     const Entry<Extra> *entries = (this+entryTable).arrayZ;
 
-    unsigned int entry = states[state * nClasses + klass]; /* XXX bound check. */
+    unsigned int entry = states[state * nClasses + klass];
 
-    return &entries[entry]; /* XXX bound check. */
+    return &entries[entry];
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this)); /* XXX */
+    if (unlikely (!c->check_struct (this))) return_trace (false);
+
+    const HBUSHORT *states = (this+stateArrayTable).arrayZ;
+    const Entry<Extra> *entries = (this+entryTable).arrayZ;
+
+    unsigned int num_states = 1;
+    unsigned int num_entries = 0;
+
+    unsigned int state = 0;
+    unsigned int entry = 0;
+    while (state < num_states)
+    {
+      if (unlikely (!c->check_array (states + state * nClasses,
+				     states[0].static_size,
+				     nClasses * (num_states - state))))
+	return_trace (false);
+      { /* Sweep new states. */
+	const HBUSHORT *stop = &states[num_states * nClasses];
+	for (const HBUSHORT *p = &states[state * nClasses]; p < stop; p++)
+	  num_entries = MAX<unsigned int> (num_entries, *p + 1);
+	state = num_states;
+      }
+
+      if (unlikely (!c->check_array (entries + entry,
+				     entries[0].static_size,
+				     num_entries - entry)))
+	return_trace (false);
+      { /* Sweep new entries. */
+	const Entry<Extra> *stop = &entries[num_entries];
+	for (const Entry<Extra> *p = &entries[entry]; p < stop; p++)
+	  num_states = MAX<unsigned int> (num_states, p->newState + 1);
+	entry = num_entries;
+      }
+    }
+
+    return_trace (true);
   }
 
   protected:

From 9b82aa19d812e70b7fade4b7669a9ce27855951e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 18:19:42 +0100
Subject: [PATCH 0845/1326] More warning fixes

---
 src/hb-open-type-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 6d8bc6cb8..736497d9b 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1041,12 +1041,12 @@ struct SortedArrayOf : ArrayOf<Type, LenType>
   inline int bsearch (const SearchType &x) const
   {
     /* Hand-coded bsearch here since this is in the hot inner loop. */
-    const Type *array = this->array;
+    const Type *arr = this->array;
     int min = 0, max = (int) this->len - 1;
     while (min <= max)
     {
       int mid = (min + max) / 2;
-      int c = array[mid].cmp (x);
+      int c = arr[mid].cmp (x);
       if (c < 0)
         max = mid - 1;
       else if (c > 0)

From 17f01aff910b3871d0a6c45fd4305304b7f68ab5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 18:54:49 +0100
Subject: [PATCH 0846/1326] [aat] Sanitize ContextualSubtable

---
 src/hb-aat-layout-common-private.hh | 23 +++++++++++++++----
 src/hb-aat-layout-morx-table.hh     | 34 ++++++++++++++++++++---------
 2 files changed, 43 insertions(+), 14 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 4d2285a81..fca74ea2c 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -512,11 +512,17 @@ struct Entry
   inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && data.sanitize (c));
+    /* Note, we don't recurse-sanitize data because we don't access it.
+     * That said, in our DEFINE_SIZE_STATIC we access T::static_size,
+     * which ensures that data has a simple sanitize(). To be determined
+     * if I need to remove that as well. */
+    return_trace (c->check_struct (this));
   }
 
   public:
-  HBUINT16	newState;	/* Byte offset from beginning of state table to the new state. */
+  HBUINT16	newState;	/* Byte offset from beginning of state table
+				 * to the new state. Really?!?! Or just state
+				 * number?  The latter in morx for sure. */
   HBUINT16	flags;		/* Table specific. */
   T		data;		/* Optional offsets to per-glyph tables. */
   public:
@@ -550,7 +556,12 @@ struct StateTable
   { return (this+classTable).get_class (glyph_id, num_glyphs); }
 
 
-  inline const Entry<Extra> *get_entry (unsigned int state, unsigned int klass) const
+  inline const Entry<Extra> *get_entries () const
+  {
+    return (this+entryTable).arrayZ;
+  }
+
+  inline const Entry<Extra> *get_entryZ (unsigned int state, unsigned int klass) const
   {
     if (unlikely (klass >= nClasses)) return nullptr;
 
@@ -562,7 +573,8 @@ struct StateTable
     return &entries[entry];
   }
 
-  inline bool sanitize (hb_sanitize_context_t *c) const
+  inline bool sanitize (hb_sanitize_context_t *c,
+			unsigned int *num_entries_out = nullptr) const
   {
     TRACE_SANITIZE (this);
     if (unlikely (!c->check_struct (this))) return_trace (false);
@@ -600,6 +612,9 @@ struct StateTable
       }
     }
 
+    if (num_entries_out)
+      *num_entries_out = num_entries;
+
     return_trace (true);
   }
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 0433f1f48..50805eb82 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -79,7 +79,7 @@ struct RearrangementSubtable
       unsigned int klass = i < count ?
 			   machine.get_class (info[i].codepoint, num_glyphs) :
 			   0 /* End of text */;
-      const Entry<void> *entry = machine.get_entry (state, klass);
+      const Entry<void> *entry = machine.get_entryZ (state, klass);
       if (unlikely (!entry))
         break;
 
@@ -155,8 +155,8 @@ struct RearrangementSubtable
 	}
       }
 
-      if (false/* XXX */ && flags & DontAdvance)
-        i--; /* XXX Detect infinite loop. */
+      if (false/* TODO */ && flags & DontAdvance)
+        i--; /* TODO Detect infinite loop. */
 
       state = entry->newState;
     }
@@ -224,7 +224,7 @@ struct ContextualSubtable
       unsigned int klass = i < count ?
 			   machine.get_class (info[i].codepoint, num_glyphs) :
 			   0 /* End of text */;
-      const Entry<EntryData> *entry = machine.get_entry (state, klass);
+      const Entry<EntryData> *entry = machine.get_entryZ (state, klass);
       if (unlikely (!entry))
         break;
 
@@ -238,7 +238,7 @@ struct ContextualSubtable
 
       if (entry->data.markIndex != 0xFFFF)
       {
-	const Lookup<GlyphID> &lookup = subs[entry->data.markIndex]; // XXX bounds
+	const Lookup<GlyphID> &lookup = subs[entry->data.markIndex];
 	const GlyphID *replacement = lookup.get_value (info[mark].codepoint, num_glyphs);
 	if (replacement)
 	{
@@ -249,7 +249,7 @@ struct ContextualSubtable
       }
       if (entry->data.currentIndex != 0xFFFF)
       {
-	const Lookup<GlyphID> &lookup = subs[entry->data.currentIndex]; // XXX bounds
+	const Lookup<GlyphID> &lookup = subs[entry->data.currentIndex];
 	const GlyphID *replacement = lookup.get_value (info[i].codepoint, num_glyphs);
 	if (replacement)
 	{
@@ -259,8 +259,8 @@ struct ContextualSubtable
 	}
       }
 
-      if (false/* XXX */ && flags & DontAdvance)
-        i--; /* XXX Detect infinite loop. */
+      if (false/* TODO */ && flags & DontAdvance)
+        i--; /* TODO Detect infinite loop. */
 
       state = entry->newState;
     }
@@ -271,8 +271,22 @@ struct ContextualSubtable
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (machine.sanitize (c) &&
-		  substitutionTables.sanitize (c, this, 0U/*XXX count*/));
+
+    unsigned int num_entries;
+    if (unlikely (!machine.sanitize (c, &num_entries))) return false;
+
+    unsigned int num_lookups = 0;
+
+    const Entry<EntryData> *entries = machine.get_entries ();
+    for (unsigned int i = 0; i < num_entries; i++)
+    {
+      const EntryData &data = entries[i].data;
+
+      num_lookups = MAX<unsigned int> (num_lookups, 1 + data.markIndex);
+      num_lookups = MAX<unsigned int> (num_lookups, 1 + data.currentIndex);
+    }
+
+    return_trace (substitutionTables.sanitize (c, this, num_lookups));
   }
 
   protected:

From 1387fe8f9c474e88f86828733d4c01bd56f44432 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 19:22:37 +0100
Subject: [PATCH 0847/1326] [test/text-rendering-tests] Update from upstream

---
 test/shaping/data/text-rendering-tests/DISABLED  |   1 +
 .../data/text-rendering-tests/Makefile.sources   |   2 ++
 .../fonts/TestMORXTwelve.ttf                     | Bin 0 -> 2200 bytes
 .../text-rendering-tests/tests/MORX-12.tests     |   3 +++
 4 files changed, 6 insertions(+)
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTwelve.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-12.tests

diff --git a/test/shaping/data/text-rendering-tests/DISABLED b/test/shaping/data/text-rendering-tests/DISABLED
index 610e1957e..809edb610 100644
--- a/test/shaping/data/text-rendering-tests/DISABLED
+++ b/test/shaping/data/text-rendering-tests/DISABLED
@@ -13,6 +13,7 @@ tests/MORX-8.tests
 tests/MORX-9.tests
 tests/MORX-10.tests
 tests/MORX-11.tests
+tests/MORX-12.tests
 
 # Rounding differences
 tests/SHARAN-1.tests
diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index e09091a60..a3acf2766 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -28,6 +28,7 @@ TESTS = \
 	tests/HVAR-2.tests \
 	tests/KERN-1.tests \
 	tests/KERN-2.tests \
+	tests/MORX-12.tests \
 	tests/SHBALI-3.tests \
 	tests/SHKNDA-1.tests \
 	$(NULL)
@@ -36,6 +37,7 @@ DISBALED_TESTS = \
 	tests/CMAP-3.tests \
 	tests/MORX-10.tests \
 	tests/MORX-11.tests \
+	tests/MORX-12.tests \
 	tests/MORX-1.tests \
 	tests/MORX-2.tests \
 	tests/MORX-3.tests \
diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXTwelve.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXTwelve.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..b1e4bc447adba6c2b14f2f60c205f39174563de0
GIT binary patch
literal 2200
zcmb7FUrbY182`?>wHG22YyW^7a~CeOmQj%2(n76*Xb4CJp#oJDb_bPi0o%~3xJ=!H
zE*o(fSr%jF9`Ip*Of)mgmiVB{-1guwCVSW)ABOv%@UlHQlWnox@7xw+H?w5t<h$ql
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z<)DRlOdl^jclk8-u7Lb;DCFm)_2BP-s^e4X8Ot=g1phOTmC3}I&ReB2_?jTwru3O4
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zMoUA#lO!!cLth_#;=9~BP)wBlT$+=FrA%CCF(64x*=F$+qBLhj672Gj4NWlx(HAio
zeAm$maN~vyC;l0mgQkej@+frOxs{EOm(>XyVf?T$&^^>cZKSwPNeVDr2Zrmg69|dj
z;i8iYs*TbJLznn5&@AbEhBom*GQm1(OyMCJUL|BgJfadR0!kCSHQGv1*QspQh}B42
zAkAj8*&niBWv^u~-g-Wl4ZF+3PImHBoaX2PeZw3qhDakw@dsZ(7MaLeX{oHSR9Z&Z
z*-VVZGdK9cJ-^1s@4cDpDnG_=!mgC4rczd!##G7abeUyYV>dFt3=FffKIYhWO}5FU
ztNVUjT;w<JX?%rk^V(3uEo9J9<u2q}MP;IT=5^R@X4x*Ds%o)%{Y^fns@g4Do@1Wb
zlO65zC(?i2j&??d56$iA?H_rWFZ7SLMoLyZHm5(!7cyV8go3`GGVgb^g|?vLP1(DA
zH~*5vSu@*h4$T{|o6TyKv&rZ8YhFj0>{OX@;^>hbBkKo)=ib?Qb}|riR}Y5y$v0kn
z=}bjW>8ejJPQA6)VGFxN_r=@k0OplMm6D`dCCzHpBrE&=>c^wM-X4GN(&*xE%%53c
zX*QTyV&$0&nOV3{G=CyXX)R8+b2+`J)vN|Asu_j*0~U7TY9etpnKYg)9ge1&=H|eC
z1=REG&+_Uu+so@RdkUh~J|t?B8t@1FMi;BhvgQ-@+HEp26{MM8@@-q|d9tr#dxZ74
zovvD+_DW&Sps&56acAA;?w)P6b+xM2)_T0NAbZQdvm1F``Q&!HW^~(lvvvc9@eWk+
zMhd`m>rD-N2fDh3J9&e<wm#TwTN7$;s`q%qL)`_SPWNv0ZY_R%X!G{2jV9IYu5o*U
zjUIP>oy*+Xojc*hG%das6Yc{FfpR>f3P?Gg<LpKAyou^)f1Wpke=W}!)1&lJo_~a`
zBXM#?%vIFG?&f(bmGEu&{t}d=Bgpy;P2jsq<5Zsqd1(VR;to@2fDT}940hubLk@+y
zpc$ij+66fUj~&!Y{lK(~4ns3Zhw$tNP0&F|I%5BqrSd;)J^!$cAbJW|;#d`GM<(6C
zATq{*It6V9kRLGWih$b>?y!L=hP|A{q)}fCRw<w!hyEaVQSCJNG$IMx2<i@F?M1(Y
z?SqlS1rZb)G<;Lgirfl1S#OZ?0ItHU%UE=DPluoA+tYZ8%!eTh6bf`A>lW%W_%v>P
z1^P5*5_|)u=!STgN$66@Dlkl9O+Y(={a*No@B5_kUg8Yo>QA8dX~c*<;8Tb+bw7$H
zUsn`}+Qm%{S=<}O$bN`3^spgLwnWubLr&UAHr(fqybr^UpbtPIig9y^6@LWrhY)+q
z<CK!)gib_U4Z?qt_L3R*of$IE|79fn;7lMhri@ucMMg9j8$<jtC0GcX+!S_2;EQqw
T^H>yQZxh4~6bw412t@pEyrGnW

literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-12.tests b/test/shaping/data/text-rendering-tests/tests/MORX-12.tests
new file mode 100644
index 000000000..8b9886fc2
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-12.tests
@@ -0,0 +1,3 @@
+../fonts/TestMORXTwelve.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0058,U+0041,U+0042,U+0043,U+0058,U+0031:[X|C@598,0|A@1230,0|B@1868,0|X@2518,0|one@3116,0]
+../fonts/TestMORXTwelve.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0058,U+0041,U+0042,U+0043,U+0058,U+0032:[X|C@598,0|A@1230,0|B@1868,0|X@2518,0|two@3116,0]
+../fonts/TestMORXTwelve.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0058,U+0041,U+0042,U+0043,U+0058,U+0033:[X|B@598,0|C@1248,0|A@1880,0|X@2518,0|three@3116,0]

From 7e2fed6d73f89986e5777028cdcd24e3baf2f86c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 19:25:21 +0100
Subject: [PATCH 0848/1326] [aat] Allow DontAdvance

Apparently CoreText does allow these.  To be done: detect infinite
loops.

Fixes MORX-12 test.
---
 src/hb-aat-layout-morx-table.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 50805eb82..cc15fddb3 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -155,7 +155,7 @@ struct RearrangementSubtable
 	}
       }
 
-      if (false/* TODO */ && flags & DontAdvance)
+      if (flags & DontAdvance)
         i--; /* TODO Detect infinite loop. */
 
       state = entry->newState;
@@ -259,7 +259,7 @@ struct ContextualSubtable
 	}
       }
 
-      if (false/* TODO */ && flags & DontAdvance)
+      if (flags & DontAdvance)
         i--; /* TODO Detect infinite loop. */
 
       state = entry->newState;

From 1f1c85a54aad8a25a67041cbb9c4277d28c1c761 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 22:43:57 +0100
Subject: [PATCH 0849/1326] [aat] Remove 'mort' support

It's dead, Jim!
---
 src/hb-aat-layout-common-private.hh |  55 ++++---------
 src/hb-aat-layout-morx-table.hh     | 122 ++++++++--------------------
 2 files changed, 46 insertions(+), 131 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index fca74ea2c..2462701c7 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -477,33 +477,8 @@ struct Lookup
 };
 
 
-struct ClassTable
-{
-  inline unsigned int get_class (hb_codepoint_t glyph_id) const
-  {
-    return firstGlyph <= glyph_id && glyph_id - firstGlyph < glyphCount ? classArrayZ[glyph_id - firstGlyph] : 1;
-  }
-
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && classArrayZ.sanitize (c, glyphCount));
-  }
-
-  protected:
-  GlyphID	firstGlyph;	/* First glyph index included in the trimmed array. */
-  HBUINT16	glyphCount;	/* Total number of glyphs (equivalent to the last
-				 * glyph minus the value of firstGlyph plus 1). */
-  UnsizedArrayOf<HBUINT8>
-		classArrayZ;	/* The class codes (indexed by glyph index minus
-				 * firstGlyph). */
-  public:
-  DEFINE_SIZE_ARRAY (4, classArrayZ);
-};
-
-
 /*
- * (Extended) State Table
+ * Extended State Table
  */
 
 template <typename T>
@@ -545,16 +520,14 @@ struct Entry<void>
   DEFINE_SIZE_STATIC (4);
 };
 
-template <typename Types, typename Extra>
+template <typename Extra>
 struct StateTable
 {
-  typedef typename Types::HBUINT HBUINT;
-  typedef typename Types::HBUSHORT HBUSHORT;
-  typedef typename Types::ClassType ClassType;
-
   inline unsigned int get_class (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
-  { return (this+classTable).get_class (glyph_id, num_glyphs); }
-
+  {
+    const HBUINT16 *v = (this+classTable).get_value (glyph_id, num_glyphs);
+    return v ? *v : 1;
+  }
 
   inline const Entry<Extra> *get_entries () const
   {
@@ -565,7 +538,7 @@ struct StateTable
   {
     if (unlikely (klass >= nClasses)) return nullptr;
 
-    const HBUSHORT *states = (this+stateArrayTable).arrayZ;
+    const HBUINT16 *states = (this+stateArrayTable).arrayZ;
     const Entry<Extra> *entries = (this+entryTable).arrayZ;
 
     unsigned int entry = states[state * nClasses + klass];
@@ -579,7 +552,7 @@ struct StateTable
     TRACE_SANITIZE (this);
     if (unlikely (!c->check_struct (this))) return_trace (false);
 
-    const HBUSHORT *states = (this+stateArrayTable).arrayZ;
+    const HBUINT16 *states = (this+stateArrayTable).arrayZ;
     const Entry<Extra> *entries = (this+entryTable).arrayZ;
 
     unsigned int num_states = 1;
@@ -594,8 +567,8 @@ struct StateTable
 				     nClasses * (num_states - state))))
 	return_trace (false);
       { /* Sweep new states. */
-	const HBUSHORT *stop = &states[num_states * nClasses];
-	for (const HBUSHORT *p = &states[state * nClasses]; p < stop; p++)
+	const HBUINT16 *stop = &states[num_states * nClasses];
+	for (const HBUINT16 *p = &states[state * nClasses]; p < stop; p++)
 	  num_entries = MAX<unsigned int> (num_entries, *p + 1);
 	state = num_states;
       }
@@ -619,13 +592,13 @@ struct StateTable
   }
 
   protected:
-  HBUINT	nClasses;	/* Number of classes, which is the number of indices
+  HBUINT32	nClasses;	/* Number of classes, which is the number of indices
 				 * in a single line in the state array. */
-  OffsetTo<ClassType, HBUINT>
+  OffsetTo<Lookup<HBUINT16>, HBUINT32>
 		classTable;	/* Offset to the class table. */
-  OffsetTo<UnsizedArrayOf<HBUSHORT>, HBUINT>
+  OffsetTo<UnsizedArrayOf<HBUINT16>, HBUINT32>
 		stateArrayTable;/* Offset to the state array. */
-  OffsetTo<UnsizedArrayOf<Entry<Extra> >, HBUINT>
+  OffsetTo<UnsizedArrayOf<Entry<Extra> >, HBUINT32>
 		entryTable;	/* Offset to the entry array. */
 
   public:
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index cc15fddb3..95f4245de 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -30,7 +30,6 @@
 #include "hb-open-type-private.hh"
 #include "hb-aat-layout-common-private.hh"
 
-#define HB_AAT_TAG_MORT HB_TAG('m','o','r','t')
 #define HB_AAT_TAG_MORX HB_TAG('m','o','r','x')
 
 
@@ -39,7 +38,6 @@ namespace AAT {
 using namespace OT;
 
 
-template <typename Types>
 struct RearrangementSubtable
 {
   enum Flags {
@@ -171,16 +169,13 @@ struct RearrangementSubtable
   }
 
   protected:
-  StateTable<Types, void>	machine;
+  StateTable<void>	machine;
   public:
   DEFINE_SIZE_MIN (2);
 };
 
-template <typename Types>
 struct ContextualSubtable
 {
-  typedef typename Types::HBUINT HBUINT;
-
   enum Flags {
     SetMark	= 0x8000,	/* If set, make the current glyph the marked glyph. */
     DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph before
@@ -206,7 +201,7 @@ struct ContextualSubtable
     bool ret = false;
     unsigned int num_glyphs = c->face->get_num_glyphs ();
 
-    const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT> &subs = this+substitutionTables;
+    const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32> &subs = this+substitutionTables;
 
     unsigned int state = 0;
     unsigned int last_zero = 0;
@@ -290,14 +285,13 @@ struct ContextualSubtable
   }
 
   protected:
-  StateTable<Types, EntryData>	machine;
-  OffsetTo<UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT>, HBUINT>
-				substitutionTables;
+  StateTable<EntryData>	machine;
+  OffsetTo<UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32>, HBUINT32>
+			substitutionTables;
   public:
   DEFINE_SIZE_MIN (2);
 };
 
-template <typename Types>
 struct LigatureSubtable
 {
   inline bool apply (hb_apply_context_t *c) const
@@ -315,7 +309,6 @@ struct LigatureSubtable
   }
 };
 
-template <typename Types>
 struct NoncontextualSubtable
 {
   inline bool apply (hb_apply_context_t *c) const
@@ -352,7 +345,6 @@ struct NoncontextualSubtable
   DEFINE_SIZE_MIN (2);
 };
 
-template <typename Types>
 struct InsertionSubtable
 {
   inline bool apply (hb_apply_context_t *c) const
@@ -392,13 +384,9 @@ struct Feature
 };
 
 
-template <typename Types>
 struct ChainSubtable
 {
-  template <typename> struct Chain;
-  friend struct Chain<Types>;
-
-  typedef typename Types::HBUINT HBUINT;
+  friend struct Chain;
 
   inline unsigned int get_size (void) const { return length; }
   inline unsigned int get_type (void) const { return coverage & 0xFF; }
@@ -443,33 +431,30 @@ struct ChainSubtable
   }
 
   protected:
-  HBUINT		length;		/* Total subtable length, including this header. */
-  HBUINT		coverage;	/* Coverage flags and subtable type. */
-  HBUINT32		subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
+  HBUINT32	length;		/* Total subtable length, including this header. */
+  HBUINT32	coverage;	/* Coverage flags and subtable type. */
+  HBUINT32	subFeatureFlags;/* The 32-bit mask identifying which subtable this is. */
   union {
-  RearrangementSubtable<Types>	rearrangement;
-  ContextualSubtable<Types>	contextual;
-  LigatureSubtable<Types>	ligature;
-  NoncontextualSubtable<Types>	noncontextual;
-  InsertionSubtable<Types>	insertion;
+  RearrangementSubtable		rearrangement;
+  ContextualSubtable		contextual;
+  LigatureSubtable		ligature;
+  NoncontextualSubtable		noncontextual;
+  InsertionSubtable		insertion;
   } u;
   public:
-  DEFINE_SIZE_MIN (2 * sizeof (HBUINT) + 4);
+  DEFINE_SIZE_MIN (2 * sizeof (HBUINT32) + 4);
 };
 
-template <typename Types>
 struct Chain
 {
-  typedef typename Types::HBUINT HBUINT;
-
   inline void apply (hb_apply_context_t *c) const
   {
-    const ChainSubtable<Types> *subtable = &StructAtOffset<ChainSubtable<Types> > (featureZ, featureZ[0].static_size * featureCount);
+    const ChainSubtable *subtable = &StructAtOffset<ChainSubtable> (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
       subtable->apply (c);
-      subtable = &StructAfter<ChainSubtable<Types> > (*subtable);
+      subtable = &StructAfter<ChainSubtable> (*subtable);
     }
   }
 
@@ -486,13 +471,13 @@ struct Chain
     if (!c->check_array (featureZ, featureZ[0].static_size, featureCount))
       return_trace (false);
 
-    const ChainSubtable<Types> *subtable = &StructAtOffset<ChainSubtable<Types> > (featureZ, featureZ[0].static_size * featureCount);
+    const ChainSubtable *subtable = &StructAtOffset<ChainSubtable> (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
       if (!subtable->sanitize (c))
 	return_trace (false);
-      subtable = &StructAfter<ChainSubtable<Types> > (*subtable);
+      subtable = &StructAfter<ChainSubtable> (*subtable);
     }
 
     return_trace (true);
@@ -501,15 +486,15 @@ struct Chain
   protected:
   HBUINT32	defaultFlags;	/* The default specification for subtables. */
   HBUINT32	length;		/* Total byte count, including this header. */
-  HBUINT		featureCount;	/* Number of feature subtable entries. */
-  HBUINT		subtableCount;	/* The number of subtables in the chain. */
+  HBUINT32	featureCount;	/* Number of feature subtable entries. */
+  HBUINT32	subtableCount;	/* The number of subtables in the chain. */
 
-  Feature		featureZ[VAR];	/* Features. */
-  ChainSubtable<Types>	subtableX[VAR];	/* Subtables. */
+  Feature	featureZ[VAR];	/* Features. */
+  ChainSubtable	subtableX[VAR];	/* Subtables. */
   // subtableGlyphCoverageArray if major == 3
 
   public:
-  DEFINE_SIZE_MIN (8 + 2 * sizeof (HBUINT));
+  DEFINE_SIZE_MIN (8 + 2 * sizeof (HBUINT32));
 };
 
 
@@ -517,22 +502,18 @@ struct Chain
  * The 'mort'/'morx' Tables
  */
 
-template <typename Types>
-struct mortmorx
+struct morx
 {
-  static const hb_tag_t mortTag	= HB_AAT_TAG_MORT;
-  static const hb_tag_t morxTag	= HB_AAT_TAG_MORX;
-
-  typedef typename Types::HBUINT HBUINT;
+  static const hb_tag_t tableTag = HB_AAT_TAG_MORX;
 
   inline void apply (hb_apply_context_t *c) const
   {
-    const Chain<Types> *chain = chains;
+    const Chain *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)
     {
       chain->apply (c);
-      chain = &StructAfter<Chain<Types> > (*chain);
+      chain = &StructAfter<Chain> (*chain);
     }
   }
 
@@ -540,17 +521,17 @@ struct mortmorx
   {
     TRACE_SANITIZE (this);
     if (!version.sanitize (c) ||
-	(version.major >> (sizeof (HBUINT) == 4 ? 1 : 0)) != 1 ||
+	(version.major >> (sizeof (HBUINT32) == 4 ? 1 : 0)) != 1 ||
 	!chainCount.sanitize (c))
       return_trace (false);
 
-    const Chain<Types> *chain = chains;
+    const Chain *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)
     {
       if (!chain->sanitize (c, version.major))
 	return_trace (false);
-      chain = &StructAfter<Chain<Types> > (*chain);
+      chain = &StructAfter<Chain> (*chain);
     }
 
     return_trace (true);
@@ -561,51 +542,12 @@ struct mortmorx
 				 * 1 for mort, 2 or 3 for morx. */
   HBUINT32	chainCount;	/* Number of metamorphosis chains contained in this
 				 * table. */
-  Chain<Types>	chains[VAR];	/* Chains. */
+  Chain		chains[VAR];	/* Chains. */
 
   public:
   DEFINE_SIZE_MIN (8);
 };
 
-struct MortTypes
-{
-  static const bool extended = false;
-  typedef HBUINT16 HBUINT;
-  typedef HBUINT8 HBUSHORT;
-  struct ClassType : ClassTable
-  {
-    inline unsigned int get_class (hb_codepoint_t glyph_id, unsigned int num_glyphs HB_UNUSED) const
-    {
-      return ClassTable::get_class (glyph_id);
-    }
-  };
-};
-struct MorxTypes
-{
-  static const bool extended = true;
-  typedef HBUINT32 HBUINT;
-  typedef HBUINT16 HBUSHORT;
-  struct ClassType : Lookup<HBUINT16>
-  {
-    inline unsigned int get_class (hb_codepoint_t glyph_id, unsigned int num_glyphs) const
-    {
-      const HBUINT16 *v = get_value (glyph_id, num_glyphs);
-      return v ? *v : 1;
-    }
-  };
-};
-
-struct mort : mortmorx<MortTypes>
-{
-  static const hb_tag_t tableTag	= HB_AAT_TAG_MORT;
-};
-
-struct morx : mortmorx<MorxTypes>
-{
-  static const hb_tag_t tableTag	= HB_AAT_TAG_MORX;
-};
-
-
 } /* namespace AAT */
 
 

From 17a66f133c7e523403b6c90b011fcf0acb6356c6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 22:46:19 +0100
Subject: [PATCH 0850/1326] [test] Disable MORX-12

Ouch. I need a better workflow for this.
---
 test/shaping/data/text-rendering-tests/Makefile.sources | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index a3acf2766..3e8342433 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -28,7 +28,6 @@ TESTS = \
 	tests/HVAR-2.tests \
 	tests/KERN-1.tests \
 	tests/KERN-2.tests \
-	tests/MORX-12.tests \
 	tests/SHBALI-3.tests \
 	tests/SHKNDA-1.tests \
 	$(NULL)

From 0d39ac224c680b1f0134b58e78391497fbe47370 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 11 Jan 2018 22:47:08 +0100
Subject: [PATCH 0851/1326] [test/text-rendering-tests] Update README

---
 test/shaping/data/text-rendering-tests/README | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/shaping/data/text-rendering-tests/README b/test/shaping/data/text-rendering-tests/README
index 351f83010..c46d3ffdd 100644
--- a/test/shaping/data/text-rendering-tests/README
+++ b/test/shaping/data/text-rendering-tests/README
@@ -2,3 +2,6 @@ Tests in this directory are automatically imported from the
 text-rendering-tests repository owned by Unicode Consortium:
 
   https://github.com/unicode-org/text-rendering-tests
+
+To import the latest version of that test suite just run
+"make update" from a build in a git checkout.

From 117cfe7bb7cef682eb151b94f1eb12363ba3af67 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 00:01:36 +0100
Subject: [PATCH 0852/1326] [aat] Add StateTableDriver and convert
 ContextualSubtable to it

---
 src/hb-aat-layout-common-private.hh | 51 ++++++++++++++++
 src/hb-aat-layout-morx-table.hh     | 91 ++++++++++++++---------------
 2 files changed, 94 insertions(+), 48 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 2462701c7..04007db34 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -605,6 +605,57 @@ struct StateTable
   DEFINE_SIZE_UNION (2, format);
 };
 
+template <typename EntryData>
+struct StateTableDriver
+{
+  inline StateTableDriver (const StateTable<EntryData> &machine_,
+			   hb_buffer_t *buffer_,
+			   hb_face_t *face_) :
+	      machine (machine_),
+	      buffer (buffer_),
+	      num_glyphs (face_->get_num_glyphs ()),
+	      state (0),
+	      last_zero (0) {}
+
+  template <typename context_t>
+  inline void drive (context_t *c)
+  {
+    hb_glyph_info_t *info = buffer->info;
+    unsigned int count = buffer->len;
+
+    for (buffer->idx = 0; buffer->idx <= count; buffer->idx++)
+    {
+      if (!state)
+	last_zero = buffer->idx;
+
+      unsigned int klass = buffer->idx < count ?
+			   machine.get_class (info[buffer->idx].codepoint, num_glyphs) :
+			   0 /* End of text */;
+      const Entry<EntryData> *entry = machine.get_entryZ (state, klass);
+      if (unlikely (!entry))
+	break;
+
+      c->transition (this, entry);
+
+      if (entry->flags & context_t::Flags::DontAdvance)
+	buffer->idx--; /* TODO Detect infinite loop. */
+
+      state = entry->newState;
+    }
+
+    /* XXX finish if not in-place */
+  }
+
+  public:
+  const StateTable<EntryData> &machine;
+  hb_buffer_t *buffer;
+
+  unsigned int num_glyphs;
+
+  unsigned int state;
+  unsigned int last_zero;
+};
+
 
 } /* namespace AAT */
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 95f4245de..bfe239e47 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -176,14 +176,6 @@ struct RearrangementSubtable
 
 struct ContextualSubtable
 {
-  enum Flags {
-    SetMark	= 0x8000,	/* If set, make the current glyph the marked glyph. */
-    DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph before
-				 * going to the new state. */
-    Reserved	= 0x3FFF,	/* These bits are reserved and should be set to 0. */
-  };
-
-  /* XXX the following is different in mort: it's directly index to sublookups. */
   struct EntryData
   {
     HBUINT16	markIndex;	/* Index of the substitution table for the
@@ -194,50 +186,40 @@ struct ContextualSubtable
     DEFINE_SIZE_STATIC (4);
   };
 
-  inline bool apply (hb_apply_context_t *c) const
+  struct driver_context_t
   {
-    TRACE_APPLY (this);
+    enum Flags {
+      SetMark		= 0x8000,	/* If set, make the current glyph the marked glyph. */
+      DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph before
+					 * going to the new state. */
+      Reserved		= 0x3FFF,	/* These bits are reserved and should be set to 0. */
+    };
 
-    bool ret = false;
-    unsigned int num_glyphs = c->face->get_num_glyphs ();
+    inline driver_context_t (const ContextualSubtable *table) :
+	ret (false),
+	mark (0),
+	last_zero_before_mark (0),
+	subs (table+table->substitutionTables) {}
 
-    const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32> &subs = this+substitutionTables;
-
-    unsigned int state = 0;
-    unsigned int last_zero = 0;
-    unsigned int last_zero_before_mark = 0;
-    unsigned int mark = 0;
-
-    hb_glyph_info_t *info = c->buffer->info;
-    unsigned int count = c->buffer->len;
-
-    for (unsigned int i = 0; i <= count; i++)
+    inline void transition (StateTableDriver<EntryData> *driver,
+			    const Entry<EntryData> *entry)
     {
-      if (!state)
-	last_zero = i;
+      hb_buffer_t *buffer = driver->buffer;
 
-      unsigned int klass = i < count ?
-			   machine.get_class (info[i].codepoint, num_glyphs) :
-			   0 /* End of text */;
-      const Entry<EntryData> *entry = machine.get_entryZ (state, klass);
-      if (unlikely (!entry))
-        break;
-
-      unsigned int flags = entry->flags;
-
-      if (flags & SetMark)
+      if (entry->flags & SetMark)
       {
-	mark = i;
-	last_zero_before_mark = last_zero;
+	mark = buffer->idx;
+	last_zero_before_mark = driver->last_zero;
       }
 
       if (entry->data.markIndex != 0xFFFF)
       {
 	const Lookup<GlyphID> &lookup = subs[entry->data.markIndex];
-	const GlyphID *replacement = lookup.get_value (info[mark].codepoint, num_glyphs);
+	hb_glyph_info_t *info = buffer->info;
+	const GlyphID *replacement = lookup.get_value (info[mark].codepoint, driver->num_glyphs);
 	if (replacement)
 	{
-	  c->buffer->unsafe_to_break (last_zero_before_mark, MIN (i + 1, count));
+	  buffer->unsafe_to_break (last_zero_before_mark, MIN (buffer->idx + 1, buffer->len));
 	  info[mark].codepoint = *replacement;
 	  ret = true;
 	}
@@ -245,22 +227,35 @@ struct ContextualSubtable
       if (entry->data.currentIndex != 0xFFFF)
       {
 	const Lookup<GlyphID> &lookup = subs[entry->data.currentIndex];
-	const GlyphID *replacement = lookup.get_value (info[i].codepoint, num_glyphs);
+	hb_glyph_info_t *info = buffer->info;
+	const GlyphID *replacement = lookup.get_value (info[buffer->idx].codepoint, driver->num_glyphs);
 	if (replacement)
 	{
-	  c->buffer->unsafe_to_break (last_zero, MIN (i + 1, count));
-	  info[i].codepoint = *replacement;
+	  buffer->unsafe_to_break (driver->last_zero, MIN (buffer->idx + 1, buffer->len));
+	  info[buffer->idx].codepoint = *replacement;
 	  ret = true;
 	}
       }
-
-      if (flags & DontAdvance)
-        i--; /* TODO Detect infinite loop. */
-
-      state = entry->newState;
     }
 
-    return_trace (ret);
+    public:
+    bool ret;
+    private:
+    unsigned int mark;
+    unsigned int last_zero_before_mark;
+    const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32> &subs;
+  };
+
+  inline bool apply (hb_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+
+    driver_context_t dc (this);
+
+    StateTableDriver<EntryData> driver (machine, c->buffer, c->face);
+    driver.drive (&dc);
+
+    return_trace (dc.ret);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const

From c70d58f97da7dcbdd7ea72a44f39130a75a279f7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 00:08:22 +0100
Subject: [PATCH 0853/1326] [aat] Port RearrangementSubtable to
 StateTableDriver

---
 src/hb-aat-layout-morx-table.hh | 93 ++++++++++++++++-----------------
 1 file changed, 45 insertions(+), 48 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index bfe239e47..cedab1b19 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -40,57 +40,40 @@ using namespace OT;
 
 struct RearrangementSubtable
 {
-  enum Flags {
-    MarkFirst	= 0x8000,	/* If set, make the current glyph the first
-				 * glyph to be rearranged. */
-    DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph
-				 * before going to the new state. This means
-				 * that the glyph index doesn't change, even
-				 * if the glyph at that index has changed. */
-    MarkLast	= 0x2000,	/* If set, make the current glyph the last
-				 * glyph to be rearranged. */
-    Reserved	= 0x1FF0,	/* These bits are reserved and should be set to 0. */
-    Verb	= 0x000F,	/* The type of rearrangement specified. */
-  };
-
-  inline bool apply (hb_apply_context_t *c) const
+  struct driver_context_t
   {
-    TRACE_APPLY (this);
+    enum Flags {
+      MarkFirst	= 0x8000,	/* If set, make the current glyph the first
+				   * glyph to be rearranged. */
+      DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph
+				   * before going to the new state. This means
+				   * that the glyph index doesn't change, even
+				   * if the glyph at that index has changed. */
+      MarkLast	= 0x2000,	/* If set, make the current glyph the last
+				   * glyph to be rearranged. */
+      Reserved	= 0x1FF0,	/* These bits are reserved and should be set to 0. */
+      Verb	= 0x000F,	/* The type of rearrangement specified. */
+    };
 
-    bool ret = false;
-    unsigned int num_glyphs = c->face->get_num_glyphs ();
+    inline driver_context_t (const RearrangementSubtable *table) :
+	ret (false),
+	start (0), end (0),
+	last_zero_before_start (0) {}
 
-    unsigned int state = 0;
-    unsigned int last_zero = 0;
-    unsigned int last_zero_before_start = 0;
-    unsigned int start = 0;
-    unsigned int end = 0;
-
-    hb_glyph_info_t *info = c->buffer->info;
-    unsigned int count = c->buffer->len;
-
-    for (unsigned int i = 0; i <= count; i++)
+    inline void transition (StateTableDriver<void> *driver,
+			    const Entry<void> *entry)
     {
-      if (!state)
-	last_zero = i;
-
-      unsigned int klass = i < count ?
-			   machine.get_class (info[i].codepoint, num_glyphs) :
-			   0 /* End of text */;
-      const Entry<void> *entry = machine.get_entryZ (state, klass);
-      if (unlikely (!entry))
-        break;
-
+      hb_buffer_t *buffer = driver->buffer;
       unsigned int flags = entry->flags;
 
       if (flags & MarkFirst)
       {
-	start = i;
-	last_zero_before_start = last_zero;
+	start = buffer->idx;
+	last_zero_before_start = driver->last_zero;
       }
 
       if (flags & MarkLast)
-	end = MIN (i + 1, count);
+	end = MIN (buffer->idx + 1, buffer->len);
 
       if ((flags & Verb) && start < end)
       {
@@ -126,10 +109,12 @@ struct RearrangementSubtable
 
 	if (end - start >= l + r)
 	{
-	  c->buffer->unsafe_to_break (last_zero_before_start, MIN (i + 1, count));
-	  c->buffer->merge_clusters (start, end);
+	  buffer->unsafe_to_break (last_zero_before_start, MIN (buffer->idx + 1, buffer->len));
+	  buffer->merge_clusters (start, end);
 
+	  hb_glyph_info_t *info = buffer->info;
 	  hb_glyph_info_t buf[4];
+
 	  memcpy (buf, info + start, l * sizeof (buf[0]));
 	  memcpy (buf + 2, info + end - r, r * sizeof (buf[0]));
 
@@ -152,14 +137,26 @@ struct RearrangementSubtable
 	  }
 	}
       }
-
-      if (flags & DontAdvance)
-        i--; /* TODO Detect infinite loop. */
-
-      state = entry->newState;
     }
 
-    return_trace (ret);
+    public:
+    bool ret;
+    private:
+    unsigned int start = 0;
+    unsigned int end = 0;
+    unsigned int last_zero_before_start = 0;
+  };
+
+  inline bool apply (hb_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+
+    driver_context_t dc (this);
+
+    StateTableDriver<void> driver (machine, c->buffer, c->face);
+    driver.drive (&dc);
+
+    return_trace (dc.ret);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const

From e3a15d0c6d088963e61f7fbebe25e1096d8e2903 Mon Sep 17 00:00:00 2001
From: Ting-Wei Lan <lantw@src.gnome.org>
Date: Fri, 12 Jan 2018 15:33:16 +0800
Subject: [PATCH 0854/1326] Update _POSIX_C_SOURCE to the latest version

Defining _POSIX_C_SOURCE to an old version on FreeBSD can cause C99 to
be disabled in libc.
---
 src/hb-blob.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index 59c833363..4cf6d1e54 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -26,7 +26,7 @@
 
 /* http://www.oracle.com/technetwork/articles/servers-storage-dev/standardheaderfiles-453865.html */
 #ifndef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199309L
+#define _POSIX_C_SOURCE 200809L
 #endif
 
 #include "hb-private.hh"

From 72cb2b1f57ba79938c74e0406fc7457fce287f69 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 09:38:55 +0100
Subject: [PATCH 0855/1326] [aat] Fix builds

---
 src/hb-aat-layout-morx-table.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index cedab1b19..f4f03ab8c 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -142,9 +142,9 @@ struct RearrangementSubtable
     public:
     bool ret;
     private:
-    unsigned int start = 0;
-    unsigned int end = 0;
-    unsigned int last_zero_before_start = 0;
+    unsigned int start;
+    unsigned int end;
+    unsigned int last_zero_before_start;
   };
 
   inline bool apply (hb_apply_context_t *c) const

From dd38db523a1001178bf4cae3721c098466534736 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 09:45:42 +0100
Subject: [PATCH 0856/1326] [aat] Fix more builds

Maybe I should disable C++11 detection such that my compiler also catches
these.  Doesn't look like we can switch to it for a while anyway...
---
 src/hb-aat-layout-common-private.hh |  2 +-
 src/hb-aat-layout-morx-table.hh     | 18 +++++++++---------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 04007db34..4ed2d3a18 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -637,7 +637,7 @@ struct StateTableDriver
 
       c->transition (this, entry);
 
-      if (entry->flags & context_t::Flags::DontAdvance)
+      if (entry->flags & context_t::DontAdvance)
 	buffer->idx--; /* TODO Detect infinite loop. */
 
       state = entry->newState;
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index f4f03ab8c..080f90eed 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -43,16 +43,16 @@ struct RearrangementSubtable
   struct driver_context_t
   {
     enum Flags {
-      MarkFirst	= 0x8000,	/* If set, make the current glyph the first
-				   * glyph to be rearranged. */
+      MarkFirst		= 0x8000,	/* If set, make the current glyph the first
+					 * glyph to be rearranged. */
       DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph
-				   * before going to the new state. This means
-				   * that the glyph index doesn't change, even
-				   * if the glyph at that index has changed. */
-      MarkLast	= 0x2000,	/* If set, make the current glyph the last
-				   * glyph to be rearranged. */
-      Reserved	= 0x1FF0,	/* These bits are reserved and should be set to 0. */
-      Verb	= 0x000F,	/* The type of rearrangement specified. */
+					 * before going to the new state. This means
+					 * that the glyph index doesn't change, even
+					 * if the glyph at that index has changed. */
+      MarkLast		= 0x2000,	/* If set, make the current glyph the last
+					 * glyph to be rearranged. */
+      Reserved		= 0x1FF0,	/* These bits are reserved and should be set to 0. */
+      Verb		= 0x000F,	/* The type of rearrangement specified. */
     };
 
     inline driver_context_t (const RearrangementSubtable *table) :

From 22d8c765e7b556601173a3e70f5bc9f310263a98 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 09:46:38 +0100
Subject: [PATCH 0857/1326] Disable C++11

To better catch errors locally.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 0b7e590cc..ade962afb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,7 @@ AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CXX
-AX_CXX_COMPILE_STDCXX(11, noext, optional)
+dnl AX_CXX_COMPILE_STDCXX(11, noext, optional)
 AC_SYS_LARGEFILE
 PKG_PROG_PKG_CONFIG([0.20])
 AM_MISSING_PROG([RAGEL], [ragel])

From cdd86bf3a28961e85a8918d77937587df313d47b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 10:51:51 +0100
Subject: [PATCH 0858/1326] [travis] Update cat'ing test-suite.log files

---
 .travis.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 5b5ae0e71..6c5ea0155 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --enable-gtk-doc
         - make
-        - make check || (cat */test-suite.log test/*/test-suite.log && false)
+        - make check || (cat `find -name test-suite.log` && false)
       after_success:
         - bash .ci/run-coveralls.sh # for coveralls.io code coverage tracking
         - bash .ci/deploy-docs.sh
@@ -31,7 +31,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS
         - make
-        - make check || (cat */test-suite.log test/*/test-suite.log && false)
+        - make check || (cat `find -name test-suite.log` && false)
 
     - os: osx
       compiler: clang
@@ -47,7 +47,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --with-coretext
         - make
-        - make check || (cat */test-suite.log test/*/test-suite.log && false)
+        - make check || (cat `find -name test-suite.log` && false)
 
 notifications:
   irc: "irc.freenode.org#harfbuzz"

From 1facef337862a0ceee9a8ac1d4dc94ff94fcb3b3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 10:53:52 +0100
Subject: [PATCH 0859/1326] [travis] On test failure, cat all .log files

---
 .travis.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 6c5ea0155..533670c80 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --enable-gtk-doc
         - make
-        - make check || (cat `find -name test-suite.log` && false)
+        - make check || (cat `find -name '*.log'` && false)
       after_success:
         - bash .ci/run-coveralls.sh # for coveralls.io code coverage tracking
         - bash .ci/deploy-docs.sh
@@ -31,7 +31,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS
         - make
-        - make check || (cat `find -name test-suite.log` && false)
+        - make check || (cat `find -name '*.log'` && false)
 
     - os: osx
       compiler: clang
@@ -47,7 +47,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --with-coretext
         - make
-        - make check || (cat `find -name test-suite.log` && false)
+        - make check || (cat `find -name '*.log'` && false)
 
 notifications:
   irc: "irc.freenode.org#harfbuzz"

From d514f1480cffb81850ef212155c66ee9e0383350 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 10:55:44 +0100
Subject: [PATCH 0860/1326] [circleci] cat test logs on failure on
 autotools-based builds

---
 .circleci/config.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 874c587d5..6f9a5c42d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -18,7 +18,7 @@ jobs:
       - checkout
       - run: apk update && apk add ragel make pkgconfig libtool autoconf automake gettext gcc g++ glib-dev freetype-dev cairo-dev
       - run: ./autogen.sh
-      - run: make && make check
+      - run: make && (make check || (cat `find -name '*.log'` && false))
 
   archlinux:
     docker:
@@ -27,7 +27,7 @@ jobs:
       - checkout
       - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel
       - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: make && make check
+      - run: make && (make check || (cat `find -name '*.log'` && false))
 
   fedora-outoftreebuild:
     docker:
@@ -36,7 +36,7 @@ jobs:
       - checkout
       - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config || true
       - run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: mkdir build && cd build && ../configure && make && make check
+      - run: mkdir build && cd build && ../configure && make && (make check || (cat `find -name '*.log'` && false))
 
   cmake-gcc:
     docker:

From f7600228a4b37e6f6b65394aceeeb14bf4133c23 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 11:09:21 +0100
Subject: [PATCH 0861/1326] [aat] Detect infinite-loops in state machine

---
 src/hb-aat-layout-common-private.hh | 36 +++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 7 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 4ed2d3a18..37a84bef6 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -614,15 +614,23 @@ struct StateTableDriver
 	      machine (machine_),
 	      buffer (buffer_),
 	      num_glyphs (face_->get_num_glyphs ()),
-	      state (0),
-	      last_zero (0) {}
+	      last_zero (0)
+  {
+    dont_advance_set.init ();
+  }
+
+  inline ~StateTableDriver (void)
+  {
+    dont_advance_set.finish ();
+  }
 
   template <typename context_t>
   inline void drive (context_t *c)
   {
     hb_glyph_info_t *info = buffer->info;
     unsigned int count = buffer->len;
-
+    unsigned int state = 0;
+    bool last_was_dont_advance = false;
     for (buffer->idx = 0; buffer->idx <= count; buffer->idx++)
     {
       if (!state)
@@ -637,8 +645,22 @@ struct StateTableDriver
 
       c->transition (this, entry);
 
+
       if (entry->flags & context_t::DontAdvance)
-	buffer->idx--; /* TODO Detect infinite loop. */
+      {
+        if (!last_was_dont_advance)
+	  dont_advance_set.clear ();
+
+	unsigned int key = info[buffer->idx].codepoint | (state << 16);
+	if (likely (!dont_advance_set.has (key)))
+	{
+	  dont_advance_set.add (key);
+	  buffer->idx--;
+	  last_was_dont_advance = true;
+	}
+      }
+      else
+        last_was_dont_advance = false;
 
       state = entry->newState;
     }
@@ -649,11 +671,11 @@ struct StateTableDriver
   public:
   const StateTable<EntryData> &machine;
   hb_buffer_t *buffer;
-
   unsigned int num_glyphs;
-
-  unsigned int state;
   unsigned int last_zero;
+
+  private:
+  hb_set_t dont_advance_set; /* Infinite-loop detection */
 };
 
 

From cdfa801ff4fe301d7bd41c9eee57cae75001ce4b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 11:12:20 +0100
Subject: [PATCH 0862/1326] [aat] Tweak previous commit

---
 src/hb-aat-layout-common-private.hh | 2 ++
 src/hb-ot-shape.cc                  | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 37a84bef6..2dcbd557c 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -658,6 +658,8 @@ struct StateTableDriver
 	  buffer->idx--;
 	  last_was_dont_advance = true;
 	}
+	else
+	  last_was_dont_advance = false;
       }
       else
         last_was_dont_advance = false;
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 64e118a75..fb8369d51 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -619,8 +619,8 @@ hb_ot_substitute_complex (hb_ot_shape_context_t *c)
   c->plan->substitute (c->font, buffer);
 
   /* XXX Call morx instead. */
-  //OT::hb_apply_context_t ac (0, c->font, c->buffer);
-  //hb_aat_layout_substitute (&ac);
+  OT::hb_apply_context_t ac (0, c->font, c->buffer);
+  hb_aat_layout_substitute (&ac);
 }
 
 static inline void

From 44f0ee346f53c51ec4abccc81cc24abf6f018e85 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 11:27:51 +0100
Subject: [PATCH 0863/1326] Fix docs

---
 docs/harfbuzz-sections.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 51ee56d40..1e1afb397 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -160,6 +160,7 @@ HB_CORETEXT_TAG_KERX
 HB_CORETEXT_TAG_MORT
 HB_CORETEXT_TAG_MORX
 hb_coretext_face_create
+hb_coretext_font_create
 hb_coretext_face_get_cg_font
 hb_coretext_font_get_ct_font
 </SECTION>

From ee16b9d8d35af1e74369edf7b733886c4b743a68 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 11:28:09 +0100
Subject: [PATCH 0864/1326] Revert accidental morx enablement

---
 src/hb-ot-shape.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index fb8369d51..64e118a75 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -619,8 +619,8 @@ hb_ot_substitute_complex (hb_ot_shape_context_t *c)
   c->plan->substitute (c->font, buffer);
 
   /* XXX Call morx instead. */
-  OT::hb_apply_context_t ac (0, c->font, c->buffer);
-  hb_aat_layout_substitute (&ac);
+  //OT::hb_apply_context_t ac (0, c->font, c->buffer);
+  //hb_aat_layout_substitute (&ac);
 }
 
 static inline void

From 25364c4f0020a66bd6f4bce1656ea47f1093396d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 11:31:20 +0100
Subject: [PATCH 0865/1326] [aat] Fix symbol visibility

Not sure why only one of the bots sees this as visible...
---
 src/hb-aat-layout-morx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 080f90eed..f24db56df 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -81,7 +81,7 @@ struct RearrangementSubtable
 	 * and end-side. Values of 0,1,2 mean move that many
 	 * to the other side. Value of 3 means move 2 and
 	 * flip them. */
-	static const unsigned char map[16] =
+	const unsigned char map[16] =
 	{
 	  0x00,	/* 0	no change */
 	  0x10,	/* 1	Ax => xA */

From 369dfab0f8b7f22338bbd7a58a27e2e02e1efc29 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 11:37:01 +0100
Subject: [PATCH 0866/1326] Minor

---
 docs/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/Makefile.am b/docs/Makefile.am
index 79934d5ab..a9935385b 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -111,7 +111,7 @@ EXTRA_DIST += version.xml.in
 # for --rebuild-sections in $(SCAN_OPTIONS) e.g. $(DOC_MODULE)-sections.txt
 #DISTCLEANFILES +=
 
-# Comment this out if you want 'make check' to test you doc status
+# Comment this out if you don't want 'make check' to test you doc status
 # and run some sanity checks
 if ENABLE_GTK_DOC
 TESTS_ENVIRONMENT = cd $(srcdir) && \

From 57051b4f672d7d9dd10c45cc95b1e50e32cd42a9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 11:42:25 +0100
Subject: [PATCH 0867/1326] [aat] Flush rest of buffer if state machine failed

---
 src/hb-aat-layout-common-private.hh | 12 +++++++++---
 src/hb-aat-layout-morx-table.hh     |  2 ++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 2dcbd557c..990be2e72 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -631,7 +631,7 @@ struct StateTableDriver
     unsigned int count = buffer->len;
     unsigned int state = 0;
     bool last_was_dont_advance = false;
-    for (buffer->idx = 0; buffer->idx <= count; buffer->idx++)
+    for (buffer->idx = 0; buffer->idx <= count;)
     {
       if (!state)
 	last_zero = buffer->idx;
@@ -655,7 +655,6 @@ struct StateTableDriver
 	if (likely (!dont_advance_set.has (key)))
 	{
 	  dont_advance_set.add (key);
-	  buffer->idx--;
 	  last_was_dont_advance = true;
 	}
 	else
@@ -664,10 +663,17 @@ struct StateTableDriver
       else
         last_was_dont_advance = false;
 
+      if (!last_was_dont_advance)
+        buffer->next_glyph ();
+
       state = entry->newState;
     }
 
-    /* XXX finish if not in-place */
+    if (!c->in_place)
+    {
+      for (buffer->idx = 0; buffer->idx <= count;)
+        buffer->next_glyph ();
+    }
   }
 
   public:
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index f24db56df..f07158944 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -42,6 +42,7 @@ struct RearrangementSubtable
 {
   struct driver_context_t
   {
+    static const bool in_place = true;
     enum Flags {
       MarkFirst		= 0x8000,	/* If set, make the current glyph the first
 					 * glyph to be rearranged. */
@@ -185,6 +186,7 @@ struct ContextualSubtable
 
   struct driver_context_t
   {
+    static const bool in_place = true;
     enum Flags {
       SetMark		= 0x8000,	/* If set, make the current glyph the marked glyph. */
       DontAdvance	= 0x4000,	/* If set, don't advance to the next glyph before

From 9009b341c46caaa81deae8ea55e6f7dd98565f59 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 12 Jan 2018 12:04:53 +0100
Subject: [PATCH 0868/1326] [aat] Fix some struct sizes

I hate it that with my compiler at least, it doesn't catch totally uncompilable
statements in templates if they are not used...
---
 src/hb-aat-layout-common-private.hh | 2 +-
 src/hb-aat-layout-morx-table.hh     | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 990be2e72..a67ee5283 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -602,7 +602,7 @@ struct StateTable
 		entryTable;	/* Offset to the entry array. */
 
   public:
-  DEFINE_SIZE_UNION (2, format);
+  DEFINE_SIZE_STATIC (16);
 };
 
 template <typename EntryData>
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index f07158944..64c946ecb 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -169,7 +169,7 @@ struct RearrangementSubtable
   protected:
   StateTable<void>	machine;
   public:
-  DEFINE_SIZE_MIN (2);
+  DEFINE_SIZE_STATIC (16);
 };
 
 struct ContextualSubtable
@@ -283,7 +283,7 @@ struct ContextualSubtable
   OffsetTo<UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32>, HBUINT32>
 			substitutionTables;
   public:
-  DEFINE_SIZE_MIN (2);
+  DEFINE_SIZE_STATIC (20);
 };
 
 struct LigatureSubtable
@@ -436,7 +436,7 @@ struct ChainSubtable
   InsertionSubtable		insertion;
   } u;
   public:
-  DEFINE_SIZE_MIN (2 * sizeof (HBUINT32) + 4);
+  DEFINE_SIZE_MIN (12);
 };
 
 struct Chain
@@ -488,7 +488,7 @@ struct Chain
   // subtableGlyphCoverageArray if major == 3
 
   public:
-  DEFINE_SIZE_MIN (8 + 2 * sizeof (HBUINT32));
+  DEFINE_SIZE_MIN (16);
 };
 
 

From 54a1e250a839f030b43dbeba66cadc50ab5f90f6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 13 Jan 2018 14:44:39 +0000
Subject: [PATCH 0869/1326] [test/text-rendering-tests] Update from upstream

---
 .../data/text-rendering-tests/Makefile.sources   |   2 ++
 .../fonts/TestMORXFourteen.ttf                   | Bin 0 -> 1816 bytes
 .../fonts/TestMORXThirteen.ttf                   | Bin 0 -> 1820 bytes
 .../text-rendering-tests/tests/MORX-13.tests     |   1 +
 .../text-rendering-tests/tests/MORX-14.tests     |   1 +
 5 files changed, 4 insertions(+)
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXFourteen.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXThirteen.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-13.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-14.tests

diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index 3e8342433..81b378964 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -28,6 +28,8 @@ TESTS = \
 	tests/HVAR-2.tests \
 	tests/KERN-1.tests \
 	tests/KERN-2.tests \
+	tests/MORX-13.tests \
+	tests/MORX-14.tests \
 	tests/SHBALI-3.tests \
 	tests/SHKNDA-1.tests \
 	$(NULL)
diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXFourteen.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXFourteen.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..31c30c042dc5fdca87e4391481fab089e47d33d7
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXThirteen.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXThirteen.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..f3c6f0f7de4fa370746b1480321af2c9365d2c4a
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-13.tests b/test/shaping/data/text-rendering-tests/tests/MORX-13.tests
new file mode 100644
index 000000000..42d810730
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-13.tests
@@ -0,0 +1 @@
+../fonts/TestMORXThirteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[B|C@626,0|D@1222,0|E@1896,0|A@2452,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-14.tests b/test/shaping/data/text-rendering-tests/tests/MORX-14.tests
new file mode 100644
index 000000000..bff742f39
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-14.tests
@@ -0,0 +1 @@
+../fonts/TestMORXFourteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[B|C@626,0|D@1222,0|E@1896,0|A@2452,0]

From c9e12a2b9b34d73d37def2261a5c1a7ef20b8349 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 13 Jan 2018 17:05:12 +0000
Subject: [PATCH 0870/1326] Fix set initializer

---
 src/hb-set-private.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 9c6f3ee37..576c169e6 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -185,6 +185,7 @@ struct hb_set_t
 
   inline void init (void)
   {
+    in_error = false;
     page_map.init ();
     pages.init ();
   }

From 679ae744d07db7746a983ece54c22635a9dc3cff Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 14 Jan 2018 15:03:31 -0500
Subject: [PATCH 0871/1326] [aat] Towards implementing LigatureSubtable

---
 src/hb-aat-layout-morx-table.hh | 61 +++++++++++++++++++++++++++++++--
 1 file changed, 58 insertions(+), 3 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 64c946ecb..d2a66509c 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -288,19 +288,74 @@ struct ContextualSubtable
 
 struct LigatureSubtable
 {
+  struct EntryData
+  {
+    HBUINT16	ligActionIndex;	/* Index to the first ligActionTable entry
+				 * for processing this group, if indicated
+				 * by the flags. */
+    public:
+    DEFINE_SIZE_STATIC (2);
+  };
+
+  struct driver_context_t
+  {
+    static const bool in_place = false;
+    enum Flags {
+      SetComponent	= 0x8000,	/* Push this glyph onto the component stack for
+					 * eventual processing. */
+      DontAdvance	= 0x4000,	/* Leave the glyph pointer at this glyph for the
+					   next iteration. */
+      PerformAction	= 0x2000,	/* Use the ligActionIndex to process a ligature
+					 * group. */
+      Reserved		= 0x1FFF,	/* These bits are reserved and should be set to 0. */
+    };
+
+    inline driver_context_t (const LigatureSubtable *table) :
+	ret (false) {}
+
+    inline void transition (StateTableDriver<EntryData> *driver,
+			    const Entry<EntryData> *entry)
+    {
+      hb_buffer_t *buffer = driver->buffer;
+
+      /* TODO */
+    }
+
+    public:
+    bool ret;
+    private:
+  };
+
   inline bool apply (hb_apply_context_t *c) const
   {
     TRACE_APPLY (this);
-    /* TODO */
-    return_trace (false);
+
+    driver_context_t dc (this);
+
+    StateTableDriver<EntryData> driver (machine, c->buffer, c->face);
+    driver.drive (&dc);
+
+    return_trace (dc.ret);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    /* TODO */
+    /* The main sanitization is done at run-time. */
+    return machine.sanitize (c);
     return_trace (true);
   }
+
+  protected:
+  StateTable<EntryData>	machine;
+  OffsetTo<UnsizedArrayOf<HBUINT32>, HBUINT32>
+		ligAction;	/* Offset to the ligature action table. */
+  OffsetTo<UnsizedArrayOf<HBUINT16>, HBUINT32>
+		component;	/* Offset to the component table. */
+  OffsetTo<UnsizedArrayOf<GlyphID>, HBUINT32>
+		ligature;	/* Offset to the actual ligature lists. */
+  public:
+  DEFINE_SIZE_STATIC (28);
 };
 
 struct NoncontextualSubtable

From e6263c7142ca22efd9a3c93353a513f475c1c48d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 15 Jan 2018 15:37:55 -0500
Subject: [PATCH 0872/1326] [aat] Wire up table length to apply()

---
 src/hb-aat-layout-morx-table.hh | 17 +++++++++--------
 src/hb-aat-layout.cc            | 20 +++++++++++++++-----
 src/hb-open-type-private.hh     |  6 +++---
 3 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index d2a66509c..766292b31 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -448,13 +448,13 @@ struct ChainSubtable
     Insertion		= 5
   };
 
-  inline void apply (hb_apply_context_t *c) const
+  inline void apply (hb_apply_context_t *c, const char *end) const
   {
-    dispatch (c);
+    dispatch (c, end);
   }
 
   template <typename context_t>
-  inline typename context_t::return_t dispatch (context_t *c) const
+  inline typename context_t::return_t dispatch (context_t *c, const char *end) const
   {
     unsigned int subtable_type = get_type ();
     TRACE_DISPATCH (this, subtable_type);
@@ -476,7 +476,7 @@ struct ChainSubtable
 	!c->check_range (this, length))
       return_trace (false);
 
-    return_trace (dispatch (c));
+    return_trace (dispatch (c, c->end));
   }
 
   protected:
@@ -496,13 +496,13 @@ struct ChainSubtable
 
 struct Chain
 {
-  inline void apply (hb_apply_context_t *c) const
+  inline void apply (hb_apply_context_t *c, const char *end) const
   {
     const ChainSubtable *subtable = &StructAtOffset<ChainSubtable> (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
-      subtable->apply (c);
+      subtable->apply (c, end);
       subtable = &StructAfter<ChainSubtable> (*subtable);
     }
   }
@@ -555,13 +555,14 @@ struct morx
 {
   static const hb_tag_t tableTag = HB_AAT_TAG_MORX;
 
-  inline void apply (hb_apply_context_t *c) const
+  inline void apply (hb_apply_context_t *c, unsigned int length) const
   {
+    const char *end = (const char *) this + length;
     const Chain *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)
     {
-      chain->apply (c);
+      chain->apply (c, end);
       chain = &StructAfter<Chain> (*chain);
     }
   }
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 79f0ae65f..7455787f1 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -37,11 +37,20 @@
  */
 
 static inline const AAT::morx&
-_get_morx (hb_face_t *face)
+_get_morx (hb_face_t *face, unsigned int *length = nullptr)
 {
-  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(AAT::morx);
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face)))
+  {
+    if (length)
+      *length = 0;
+    return OT::Null(AAT::morx);
+  }
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-  return *(layout->morx.get ()); /* XXX this doesn't call set_num_glyphs on sanitizer. */
+  /* XXX this doesn't call set_num_glyphs on sanitizer. */
+  const AAT::morx& morx = *(layout->morx.get ());
+  if (length)
+    *length = hb_blob_get_length (layout->morx.blob);
+  return morx;
 }
 
 static inline void
@@ -61,6 +70,7 @@ _hb_aat_layout_create (hb_face_t *face)
 void
 hb_aat_layout_substitute (OT::hb_apply_context_t *c)
 {
-  const AAT::morx& morx = _get_morx (c->face);
-  morx.apply (c);
+  unsigned int length;
+  const AAT::morx& morx = _get_morx (c->face, &length);
+  morx.apply (c, length);
 }
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 736497d9b..04e4a4e1b 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1145,8 +1145,8 @@ struct hb_lazy_table_loader_t
   inline void init (hb_face_t *face_)
   {
     face = face_;
-    instance = nullptr;
     blob = nullptr;
+    instance = nullptr;
   }
 
   inline void fini (void)
@@ -1177,10 +1177,10 @@ struct hb_lazy_table_loader_t
     return get();
   }
 
-  private:
   hb_face_t *face;
-  T *instance;
   mutable hb_blob_t *blob;
+  private:
+  mutable T *instance;
 };
 
 

From 12fffce10eb6ffebdedd655d0b1f10a99adf1808 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 15 Jan 2018 15:41:51 -0500
Subject: [PATCH 0873/1326] [aat] Sanitize classTable in StateTable

---
 src/hb-aat-layout-common-private.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index a67ee5283..f912ed020 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -550,7 +550,8 @@ struct StateTable
 			unsigned int *num_entries_out = nullptr) const
   {
     TRACE_SANITIZE (this);
-    if (unlikely (!c->check_struct (this))) return_trace (false);
+    if (unlikely (!(c->check_struct (this) &&
+		    classTable.sanitize (c, this)))) return_trace (false);
 
     const HBUINT16 *states = (this+stateArrayTable).arrayZ;
     const Entry<Extra> *entries = (this+entryTable).arrayZ;

From bcb6f1ae0a08e5c7af88a7affaad42a67c5adac5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 15 Jan 2018 20:34:05 -0500
Subject: [PATCH 0874/1326] Whitespace

---
 src/hb-ot-layout-gsubgpos-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index caa4d379d..0023b31c1 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -2238,7 +2238,7 @@ struct ExtensionFormat1
   HBUINT16	extensionLookupType;	/* Lookup type of subtable referenced
 					 * by ExtensionOffset (i.e. the
 					 * extension subtable). */
-  HBUINT32		extensionOffset;	/* Offset to the extension subtable,
+  HBUINT32	extensionOffset;	/* Offset to the extension subtable,
 					 * of lookup type subtable. */
   public:
   DEFINE_SIZE_STATIC (8);

From 949f6af2897b8982c81a059ea98e1c29bbce4772 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 15 Jan 2018 20:44:10 -0500
Subject: [PATCH 0875/1326] Disallow sanitize recursing into Extension
 subtables multiple times

Fixes https://oss-fuzz.com/v2/testcase-detail/5216838347653120
which is a stack overflow, not by way of infinite recursion, just
being deep.  That's disallowed anyway, so catch it as it happens,
not afterwards.
---
 src/hb-ot-layout-gsub-table.hh       | 5 ++---
 src/hb-ot-layout-gsubgpos-private.hh | 4 +++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 05758ed79..f483d7526 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -1272,10 +1272,9 @@ struct SubstLookup : Lookup
     {
       /* The spec says all subtables of an Extension lookup should
        * have the same type, which shall not be the Extension type
-       * itself. This is specially important if one has a reverse type! */
+       * itself (but we already checked for that).
+       * This is specially important if one has a reverse type! */
       unsigned int type = get_subtable (0).u.extension.get_type ();
-      if (unlikely (type == SubstLookupSubTable::Extension))
-	return_trace (false);
       unsigned int count = get_subtable_count ();
       for (unsigned int i = 1; i < count; i++)
         if (get_subtable (i).u.extension.get_type () != type)
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 0023b31c1..a5cb105ca 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -2230,7 +2230,9 @@ struct ExtensionFormat1
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && extensionOffset != 0);
+    return_trace (c->check_struct (this) &&
+		  extensionOffset != 0 &&
+		  extensionLookupType != T::LookupSubTable::Extension);
   }
 
   protected:

From 60f84ef014f9280da24d5eb9ce833a7f37210242 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 15 Jan 2018 20:46:58 -0500
Subject: [PATCH 0876/1326] Disable MORX-13/14

Really, need better way to catch these :(.
---
 test/shaping/data/text-rendering-tests/DISABLED         | 2 ++
 test/shaping/data/text-rendering-tests/Makefile.sources | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/shaping/data/text-rendering-tests/DISABLED b/test/shaping/data/text-rendering-tests/DISABLED
index 809edb610..45b8510a8 100644
--- a/test/shaping/data/text-rendering-tests/DISABLED
+++ b/test/shaping/data/text-rendering-tests/DISABLED
@@ -14,6 +14,8 @@ tests/MORX-9.tests
 tests/MORX-10.tests
 tests/MORX-11.tests
 tests/MORX-12.tests
+tests/MORX-13.tests
+tests/MORX-14.tests
 
 # Rounding differences
 tests/SHARAN-1.tests
diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index 81b378964..311812c7a 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -28,8 +28,6 @@ TESTS = \
 	tests/HVAR-2.tests \
 	tests/KERN-1.tests \
 	tests/KERN-2.tests \
-	tests/MORX-13.tests \
-	tests/MORX-14.tests \
 	tests/SHBALI-3.tests \
 	tests/SHKNDA-1.tests \
 	$(NULL)
@@ -39,6 +37,8 @@ DISBALED_TESTS = \
 	tests/MORX-10.tests \
 	tests/MORX-11.tests \
 	tests/MORX-12.tests \
+	tests/MORX-13.tests \
+	tests/MORX-14.tests \
 	tests/MORX-1.tests \
 	tests/MORX-2.tests \
 	tests/MORX-3.tests \

From c97a7eca7f7b6fc1c50a4ac7fccf3fa2d777430e Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 16 Jan 2018 14:18:09 +0330
Subject: [PATCH 0877/1326] [cmake] Fix symbols visibility and enable
 check-symbols.sh test (#705)

---
 .circleci/config.yml |  2 +-
 CMakeLists.txt       | 22 ++++++++++++++--------
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6f9a5c42d..cd54b659f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -44,7 +44,7 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
-      - run: cmake -DHB_HAVE_FREETYPE=ON -DHB_HAVE_GRAPHITE2=ON -DHB_BUILTIN_UCDN=ON -DHB_HAVE_GLIB=ON -DHB_HAVE_ICU=ON -DHB_BUILD_UTILS=ON -Bbuild -H. -GNinja
+      - run: cmake -DHB_CHECK=ON -Bbuild -H. -GNinja
       - run: ninja -Cbuild
       - run: CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test
       - run: ninja -Cbuild install
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d52668ba..f8391d5fb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,8 @@ enable_testing()
 
 ## Limit framework build to Xcode generator
 if (BUILD_FRAMEWORK)
-  # for a framework on macOS, use `cmake .. -DBUILD_FRAMEWORK:BOOL=true -G Xcode`
+  # for a framework build on macOS, use:
+  # cmake -DBUILD_FRAMEWORK=ON -Bbuild -H. -GXcode && cmake --build build
   if (NOT "${CMAKE_GENERATOR}" STREQUAL "Xcode")
     message(FATAL_ERROR
       "You should use Xcode generator with BUILD_FRAMEWORK enabled")
@@ -121,8 +122,14 @@ if (MSVC)
   add_definitions(-wd4244 -wd4267 -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)
 endif ()
 
-if (WIN32 AND NOT MINGW AND BUILD_SHARED_LIBS)
-  add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")
+if (BUILD_SHARED_LIBS)
+  if (WIN32 AND NOT MINGW)
+    add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")
+  else ()
+    set (CMAKE_CXX_FLAGS "-fvisibility=hidden ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_C_FLAGS "-fvisibility=hidden ${CMAKE_CXX_FLAGS}")
+    add_definitions("-DHB_EXTERN=__attribute__((visibility(\"default\"))) extern")
+  endif ()
 endif ()
 
 
@@ -764,12 +771,11 @@ if (UNIX)
   if (BUILD_SHARED_LIBS)
     # does some "make" stuff inside
     #add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
-    #set_tests_properties(check-defs.sh PROPERTIES ENVIRONMENT "libs=.")
-
-    # broken on cmake builds right now :(
-    #add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
     #add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
-    #set_tests_properties(check-symbols.sh check-libstdc++.sh PROPERTIES ENVIRONMENT "libs=.")
+    #set_tests_properties(check-defs.sh check-libstdc++.sh PROPERTIES ENVIRONMENT "libs=.")
+
+    add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
+    set_tests_properties(check-symbols.sh PROPERTIES ENVIRONMENT "libs=.")
 
     if (NOT APPLE)
       add_test(NAME check-static-inits.sh

From 5e14e5f65d3dd1ed471ed73fab7e3207ae04e8fb Mon Sep 17 00:00:00 2001
From: rdb <rdb@users.noreply.github.com>
Date: Tue, 16 Jan 2018 17:04:33 +0100
Subject: [PATCH 0878/1326] [cmake] Fix for CMake 3.0 and below (#706)

---
 CMakeLists.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8391d5fb..9c4b0f098 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -493,7 +493,7 @@ file(WRITE "${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c"
 ")
 try_compile(HB_HAVE_INTEL_ATOMIC_PRIMITIVES
   ${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives
-  SOURCES ${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c)
+  ${PROJECT_BINARY_DIR}/try_compile_intel_atomic_primitives.c)
 if (HB_HAVE_INTEL_ATOMIC_PRIMITIVES)
   add_definitions(-DHAVE_INTEL_ATOMIC_PRIMITIVES)
 endif ()
@@ -509,7 +509,7 @@ file(WRITE "${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c"
 ")
 try_compile(HB_HAVE_SOLARIS_ATOMIC_OPS
   ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops
-  SOURCES ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c)
+  ${PROJECT_BINARY_DIR}/try_compile_solaris_atomic_ops.c)
 if (HB_HAVE_SOLARIS_ATOMIC_OPS)
   add_definitions(-DHAVE_SOLARIS_ATOMIC_OPS)
 endif ()
@@ -799,4 +799,4 @@ endif ()
 
 # Needs to come last so that variables defined above are passed to
 # subdirectories.
-add_subdirectory(test)
\ No newline at end of file
+add_subdirectory(test)

From 90f01bad637c8b1214f46d4df6d9552a6a728e29 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 16 Jan 2018 22:00:21 +0330
Subject: [PATCH 0879/1326] [cmake] don't link to libstdc++ (#707)

---
 CMakeLists.txt | 38 +++++++++++++++++++++++++-------------
 1 file changed, 25 insertions(+), 13 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c4b0f098..d75bb58c8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -519,6 +519,19 @@ endif ()
 add_library(harfbuzz ${project_sources} ${project_extra_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
+if (UNIX OR MINGW)
+  # Make symbols link locally
+  link_libraries(-Bsymbolic-functions)
+
+  # Make sure we don't link to libstdc++
+  set (CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
+  if (NOT APPLE)
+    set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
+    set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
+    set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
+  endif ()
+endif ()
+
 
 ## Define harfbuzz-gobject library
 if (HB_HAVE_GOBJECT)
@@ -767,34 +780,33 @@ endif ()
 
 
 ## Tests
-if (UNIX)
+if (UNIX OR MINGW)
   if (BUILD_SHARED_LIBS)
     # does some "make" stuff inside
     #add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
-    #add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
-    #set_tests_properties(check-defs.sh check-libstdc++.sh PROPERTIES ENVIRONMENT "libs=.")
+    #set_tests_properties(check-defs.sh PROPERTIES ENVIRONMENT "libs=.")
 
     add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
     set_tests_properties(check-symbols.sh PROPERTIES ENVIRONMENT "libs=.")
 
     if (NOT APPLE)
+      add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
       add_test(NAME check-static-inits.sh
         COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
         WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/CMakeFiles/harfbuzz.dir/src # ugly hack
       )
-      set_tests_properties(check-static-inits.sh PROPERTIES ENVIRONMENT "libs=.")
+      set_tests_properties(check-libstdc++.sh check-static-inits.sh
+        PROPERTIES ENVIRONMENT "libs=.")
     endif ()
-  else ()
-    message(WARN "Enable BUILD_SHARED_LIBS for more tests.")
   endif ()
 
-  if (IN_HB_DIST)
-    add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
-    add_test(NAME check-header-guards.sh COMMAND ./check-header-guards.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
-  endif ()
-
-  add_test(NAME check-externs.sh COMMAND ./check-externs.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
-  add_test(NAME check-includes.sh COMMAND ./check-includes.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
+  add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh)
+  add_test(NAME check-header-guards.sh COMMAND ./check-header-guards.sh)
+  add_test(NAME check-externs.sh COMMAND ./check-externs.sh)
+  add_test(NAME check-includes.sh COMMAND ./check-includes.sh)
+  set_tests_properties(
+    check-c-linkage-decls.sh check-header-guards.sh check-externs.sh check-includes.sh
+    PROPERTIES WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
 endif ()
 
 # Needs to come last so that variables defined above are passed to

From 4c4a9fc8617fed9bc1a7805c9aed294b4f6b66ea Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 17 Jan 2018 09:47:50 -0800
Subject: [PATCH 0880/1326] Typo

Fixes https://github.com/harfbuzz/harfbuzz/issues/711
---
 util/options.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/options.cc b/util/options.cc
index f4ac445fc..d9486f8a8 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -546,7 +546,7 @@ font_options_t::add_options (option_parser_t *parser)
   };
   parser->add_group (entries2,
 		     "variations",
-		     "Varitions options:",
+		     "Variations options:",
 		     "Options for font variations used",
 		     this);
 }

From 461a605fdec3361a038d3715adf615353c4f91fa Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 17 Jan 2018 10:02:48 -0800
Subject: [PATCH 0881/1326] [aat] Allocate set dynamically

---
 src/hb-aat-layout-common-private.hh | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index f912ed020..c93661c34 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -615,14 +615,12 @@ struct StateTableDriver
 	      machine (machine_),
 	      buffer (buffer_),
 	      num_glyphs (face_->get_num_glyphs ()),
-	      last_zero (0)
-  {
-    dont_advance_set.init ();
-  }
+	      last_zero (0),
+	      dont_advance_set (nullptr) {}
 
   inline ~StateTableDriver (void)
   {
-    dont_advance_set.finish ();
+    hb_set_destroy (dont_advance_set);
   }
 
   template <typename context_t>
@@ -650,12 +648,17 @@ struct StateTableDriver
       if (entry->flags & context_t::DontAdvance)
       {
         if (!last_was_dont_advance)
-	  dont_advance_set.clear ();
+	{
+	  if (dont_advance_set)
+	    dont_advance_set->clear ();
+	  else
+	    dont_advance_set = hb_set_create ();
+	}
 
 	unsigned int key = info[buffer->idx].codepoint | (state << 16);
-	if (likely (!dont_advance_set.has (key)))
+	if (likely (!dont_advance_set->has (key)))
 	{
-	  dont_advance_set.add (key);
+	  dont_advance_set->add (key);
 	  last_was_dont_advance = true;
 	}
 	else
@@ -684,7 +687,7 @@ struct StateTableDriver
   unsigned int last_zero;
 
   private:
-  hb_set_t dont_advance_set; /* Infinite-loop detection */
+  hb_set_t *dont_advance_set; /* Infinite-loop detection */
 };
 
 

From 9b693212a834a96252f4ebe0b006b85e9f35fc91 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Thu, 18 Jan 2018 16:34:13 -0500
Subject: [PATCH 0882/1326] Update record-test.sh to the new directory layout
 (#716)

---
 test/shaping/README.md      | 11 ++++++-----
 test/shaping/record-test.sh | 17 +++++++++++++----
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/test/shaping/README.md b/test/shaping/README.md
index d1df63470..4c9a1e5dd 100644
--- a/test/shaping/README.md
+++ b/test/shaping/README.md
@@ -23,18 +23,19 @@ what this does is:
   * If the outputs differ, perhaps it is because the font does not have
     glyph names; it then compares the output of `hb-view` for both fonts.
   * If the outputs differ, recording fails.  Otherwise, it will move the
-    subset font file into `fonts/sha1sum` and name it after its hash,
-    and prints out the test case input, which you can then redirect to
-    an existing or new test file in `tests`, eg.:
+    subset font file into `data/in-house/fonts` and name it after its
+    hash, and print out the test case input, which you can then redirect
+    to an existing or new test file in `data/in-house/tests` using `-o=`,
+    e.g.:
 ```sh
-$ ./hb-unicode-encode 41 42 43 627 | ./record-test.sh ../../util/hb-shape font.ttf >> tests/test-name.test
+$ ./hb-unicode-encode 41 42 43 627 | ./record-test.sh -o=data/in-house/tests/test-name.test ../../util/hb-shape font.ttf
 ```
 
 If you created a new test file, add it to `Makefile.am` so it is run.
 Check that `make check` does indeed run it, and that the test passes.
 When everything looks good, `git add` the new font as well as new
 test file if you created any.  You can see what new files are there
-by running `git status tests fonts/sha1sum`.  And commit!
+by running `git status data/in-house`.  And commit!
 
 *Note!*  Please only add tests using Open Source fonts, preferably under
 OFL or similar license.
diff --git a/test/shaping/record-test.sh b/test/shaping/record-test.sh
index 9a71cc874..8ce1653d9 100755
--- a/test/shaping/record-test.sh
+++ b/test/shaping/record-test.sh
@@ -2,6 +2,11 @@
 
 dir=`mktemp -d`
 
+out=/dev/stdout
+if test "x${1:0:3}" == 'x-o='; then
+	out=${1:3}
+	shift
+fi
 hb_shape=$1
 shift
 fontfile=$1
@@ -67,8 +72,8 @@ if ! test "x$glyphs" = "x$glyphs_subset"; then
 	echo "$text" | $hb_view $options "$dir/font.subset.ttf" --output-format=png --output-file="$dir/subset.png"
 	if ! cmp "$dir/orig.png" "$dir/subset.png"; then
 		echo "Images differ.  Please inspect $dir/*.png." >&2
-		echo "$glyphs"
-		echo "$glyphs_subset"
+		echo "$glyphs" >> "$out"
+		echo "$glyphs_subset" >> "$out"
 		exit 2
 	fi
 	echo "Yep; all good." >&2
@@ -78,7 +83,7 @@ if ! test "x$glyphs" = "x$glyphs_subset"; then
 fi
 
 sha1sum=`sha1sum "$dir/font.subset.ttf" | cut -d' ' -f1`
-subset="fonts/sha1sum/$sha1sum.ttf"
+subset="data/in-house/fonts/$sha1sum.ttf"
 mv "$dir/font.subset.ttf" "$subset"
 
 # There ought to be an easier way to do this, but it escapes me...
@@ -89,8 +94,12 @@ echo "$glyphs" > "$glyphs_file"
 # Open the "file"s
 exec 3<"$unicodes_file"
 exec 4<"$glyphs_file"
+relative_subset="$subset"
+if test "$out" != "/dev/stdout"; then
+	relative_subset="$(/usr/bin/python -c 'import os, sys; print (os.path.relpath (sys.argv[1], sys.argv[2]))' "$subset" "$(dirname "$out")")"
+fi
 while read uline <&3 && read gline <&4; do
-	echo "$subset:$options:$uline:$gline"
+	echo "$relative_subset:$options:$uline:$gline" >> "$out"
 done
 
 

From 00806149b9b591e4ec15996d3d56bdbd60687821 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 19 Jan 2018 01:12:31 +0330
Subject: [PATCH 0883/1326] Improve avoiding C++ linkage, definition creation
 and cmake tests (#710)

---
 .circleci/config.yml |  4 ++--
 CMakeLists.txt       | 46 +++++++++++++++++++++++++-------------------
 configure.ac         |  3 +++
 src/Makefile.am      | 11 ++---------
 src/check-defs.sh    | 37 +++++++++++++++++++++--------------
 src/gen-def.py       | 16 +++++++++++++++
 6 files changed, 72 insertions(+), 45 deletions(-)
 create mode 100755 src/gen-def.py

diff --git a/.circleci/config.yml b/.circleci/config.yml
index cd54b659f..f558e6d66 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -25,7 +25,7 @@ jobs:
       - image: base/devel
     steps:
       - checkout
-      - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel
+      - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel python
       - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
       - run: make && (make check || (cat `find -name '*.log'` && false))
 
@@ -34,7 +34,7 @@ jobs:
       - image: fedora
     steps:
       - checkout
-      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config || true
+      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config python || true
       - run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
       - run: mkdir build && cd build && ../configure && make && (make check || (cat `find -name '*.log'` && false))
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d75bb58c8..435d4fa54 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,7 +127,7 @@ if (BUILD_SHARED_LIBS)
     add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")
   else ()
     set (CMAKE_CXX_FLAGS "-fvisibility=hidden ${CMAKE_CXX_FLAGS}")
-    set (CMAKE_C_FLAGS "-fvisibility=hidden ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_C_FLAGS "-fvisibility=hidden ${CMAKE_C_FLAGS}")
     add_definitions("-DHB_EXTERN=__attribute__((visibility(\"default\"))) extern")
   endif ()
 endif ()
@@ -524,11 +524,19 @@ if (UNIX OR MINGW)
   link_libraries(-Bsymbolic-functions)
 
   # Make sure we don't link to libstdc++
-  set (CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
-  if (NOT APPLE)
-    set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
-    set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
-    set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
+  if (BUILD_SHARED_LIBS AND (
+    CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR
+    CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
+  ))
+    set (CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
+  endif ()
+  set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
+  set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
+  set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
+
+  # No threadsafe statics as we do it ourselves
+  if (BUILD_SHARED_LIBS)
+    set (CMAKE_CXX_FLAGS "-fno-threadsafe-statics ${CMAKE_CXX_FLAGS}")
   endif ()
 endif ()
 
@@ -782,22 +790,20 @@ endif ()
 ## Tests
 if (UNIX OR MINGW)
   if (BUILD_SHARED_LIBS)
-    # does some "make" stuff inside
-    #add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
-    #set_tests_properties(check-defs.sh PROPERTIES ENVIRONMENT "libs=.")
+    string(REPLACE ";" " " space_separated_headers "${project_headers}")  
+    add_custom_command(TARGET harfbuzz POST_BUILD
+      COMMAND ${CMAKE_COMMAND} -E env "headers=${space_separated_headers}" python ${PROJECT_SOURCE_DIR}/src/gen-def.py ${PROJECT_BINARY_DIR}/harfbuzz.def
+      WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
 
     add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
-    set_tests_properties(check-symbols.sh PROPERTIES ENVIRONMENT "libs=.")
-
-    if (NOT APPLE)
-      add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
-      add_test(NAME check-static-inits.sh
-        COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
-        WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/CMakeFiles/harfbuzz.dir/src # ugly hack
-      )
-      set_tests_properties(check-libstdc++.sh check-static-inits.sh
-        PROPERTIES ENVIRONMENT "libs=.")
-    endif ()
+    add_test(NAME check-static-inits.sh
+      COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
+      WORKING_DIRECTORY ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/harfbuzz.dir/src # ugly hack
+    )
+    add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
+    add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
+    set_tests_properties(check-symbols.sh check-static-inits.sh check-libstdc++.sh check-defs.sh
+      PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
   endif ()
 
   add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh)
diff --git a/configure.ac b/configure.ac
index ade962afb..54c5260e8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -83,6 +83,9 @@ if test "x$GCC" = "xyes"; then
 	# Make sure we don't link to libstdc++
 	CXXFLAGS="$CXXFLAGS -fno-rtti -fno-exceptions"
 
+	# No threadsafe statics and C++ as we do it ourselves
+	CXXFLAGS="$CXXFLAGS -fno-threadsafe-statics"
+
 	# Assorted warnings
 	CXXFLAGS="$CXXFLAGS -Wcast-align"
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 912a98cb0..833d1f956 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -223,21 +223,14 @@ CLEANFILES += $(pkgconfig_DATA)
 
 CLEANFILES += harfbuzz.def
 harfbuzz.def: $(HBHEADERS) $(HBNODISTHEADERS)
-	$(AM_V_GEN) (echo EXPORTS; \
-	(cat $^ || echo 'hb_ERROR ()' ) | \
-	$(EGREP) '^hb_.* \(' | \
-	sed -e 's/ (.*//' | \
-	LC_ALL=C sort; \
-	echo LIBRARY libharfbuzz-0.dll; \
-	) >"$@"
-	@ ! grep -q hb_ERROR "$@" \
-	|| ($(RM) "$@"; false)
+	$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
 
 
 GENERATORS = \
 	gen-arabic-table.py \
 	gen-indic-table.py \
 	gen-use-table.py \
+	gen-def.py \
 	$(NULL)
 EXTRA_DIST += $(GENERATORS)
 
diff --git a/src/check-defs.sh b/src/check-defs.sh
index c7eac3551..9b4b7572a 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -5,7 +5,6 @@ export LC_ALL
 
 test -z "$srcdir" && srcdir=.
 test -z "$libs" && libs=.libs
-test -z "$MAKE" && MAKE=make
 stat=0
 
 if which nm 2>/dev/null >/dev/null; then
@@ -16,26 +15,36 @@ else
 fi
 
 defs="harfbuzz.def"
-$MAKE $defs > /dev/null
+if ! test -f "$defs"; then
+	echo "check-defs.sh: '$defs' not found; skipping test"
+	exit 77
+fi
+
 tested=false
 for def in $defs; do
 	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
-	so=$libs/lib${lib}.so
+	for suffix in so dylib; do
+		so=$libs/lib${lib}.$suffix
+		if ! test -f "$so"; then continue; fi
 
-	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
+		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
 
-	if test -f "$so"; then
+		# On mac, C symbols are prefixed with _
+		if test $suffix = dylib; then prefix="_"; fi
 
-		echo "Checking that $so has the same symbol list as $def"
-		{
-			echo EXPORTS
-			echo "$EXPORTED_SYMBOLS"
-			# cheat: copy the last line from the def file!
-			tail -n1 "$def"
-		} | diff "$def" - >&2 || stat=1
+		if test -f "$so"; then
 
-		tested=true
-	fi
+			echo "Checking that $so has the same symbol list as $def"
+			{
+				echo EXPORTS
+				echo "$EXPORTED_SYMBOLS" | sed -e "s/^${prefix}hb/hb/g"
+				# cheat: copy the last line from the def file!
+				tail -n1 "$def"
+			} | diff "$def" - >&2 || stat=1
+
+			tested=true
+		fi
+	done
 done
 if ! $tested; then
 	echo "check-defs.sh: libharfbuzz shared library not found; skipping test"
diff --git a/src/gen-def.py b/src/gen-def.py
new file mode 100755
index 000000000..ad1606ec3
--- /dev/null
+++ b/src/gen-def.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import io, os, re, sys
+
+headers_content = []
+for h in os.environ["headers"].split (' '):
+	if h.endswith (".h"):
+		with io.open(h, encoding='utf8') as f: headers_content.append (f.read ())
+
+result = ("EXPORTS\n" +
+	"\n".join (sorted (re.findall (r"^hb_\w+(?= \()", "\n".join (headers_content), re.M))) +
+	"\nLIBRARY libharfbuzz-0.dll")
+
+with open (sys.argv[1], "w") as f: f.write (result)

From c8f2a4f5b99d3be3079286817386b4185d35a545 Mon Sep 17 00:00:00 2001
From: Cosimo Lupo <cosimo@anthrotype.com>
Date: Thu, 18 Jan 2018 22:49:40 +0100
Subject: [PATCH 0884/1326] hb-common.cc: Hatran script is right-to-left (#714)

"Hatran is written from right to left horizontally"

http://www.unicode.org/L2/L2012/12312-n4324-hatran.pdf

This ancient script was added with Unicode 8.0.

Also this spreadsheet (referenced in an inline comment in the
source code) has it as RTL: http://goo.gl/x9ilM
---
 src/hb-common.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index cb1fb43ff..1d0e72642 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -524,6 +524,7 @@ hb_script_get_horizontal_direction (hb_script_t script)
     case HB_SCRIPT_PSALTER_PAHLAVI:
 
     /* Unicode-8.0 additions */
+    case HB_SCRIPT_HATRAN:
     case HB_SCRIPT_OLD_HUNGARIAN:
 
     /* Unicode-9.0 additions */

From e849b8a85bb66219db4d797d86ddd60ed7c26a2e Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 19 Jan 2018 16:12:24 +0330
Subject: [PATCH 0885/1326] [cmake] Always put test/api/CMakeLists.txt on
 distributions

---
 test/api/Makefile.am | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 834f43b3c..e22d726a8 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -10,11 +10,12 @@ MAINTAINERCLEANFILES =
 lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
 
+EXTRA_DIST += CMakeLists.txt
+
 if HAVE_GLIB
 AM_CPPFLAGS = -DSRCDIR="\"$(srcdir)\"" -I$(top_srcdir)/src/ -I$(top_builddir)/src/ $(GLIB_CFLAGS)
 LDADD = $(top_builddir)/src/libharfbuzz.la $(GLIB_LIBS)
 
-EXTRA_DIST += CMakeLists.txt
 EXTRA_DIST += hb-test.h
 
 check_PROGRAMS = $(TEST_PROGS)

From 94b49beee972fec98cbb80658df3d8491b45485d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 17 Jan 2018 12:46:08 -0800
Subject: [PATCH 0886/1326] Whitespace

---
 src/hb-ot-head-table.hh | 20 +++++++++-----------
 src/hb-ot-post-table.hh | 10 +++++-----
 2 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/src/hb-ot-head-table.hh b/src/hb-ot-head-table.hh
index 985109856..2024cea7e 100644
--- a/src/hb-ot-head-table.hh
+++ b/src/hb-ot-head-table.hh
@@ -64,10 +64,10 @@ struct head
   FixedVersion<>version;		/* Version of the head table--currently
 					 * 0x00010000u for version 1.0. */
   FixedVersion<>fontRevision;		/* Set by font manufacturer. */
-  HBUINT32		checkSumAdjustment;	/* To compute: set it to 0, sum the
+  HBUINT32	checkSumAdjustment;	/* To compute: set it to 0, sum the
 					 * entire font as HBUINT32, then store
 					 * 0xB1B0AFBAu - sum. */
-  HBUINT32		magicNumber;		/* Set to 0x5F0F3CF5u. */
+  HBUINT32	magicNumber;		/* Set to 0x5F0F3CF5u. */
   HBUINT16	flags;			/* Bit 0: Baseline for font at y=0;
 					 * Bit 1: Left sidebearing point at x=0;
 					 * Bit 2: Instructions may depend on point size;
@@ -76,7 +76,6 @@ struct head
 					 *   ppem sizes if this bit is clear;
 					 * Bit 4: Instructions may alter advance width
 					 *   (the advance widths might not scale linearly);
-
 					 * Bits 5-10: These should be set according to
 					 *   Apple's specification. However, they are not
 					 *   implemented in OpenType.
@@ -96,7 +95,6 @@ struct head
 					 *   contains any strong right-to-left glyphs.
 					 * Bit 10: This bit should be set if the font
 					 *   contains Indic-style rearrangement effects.
-
 					 * Bit 11: Font data is 'lossless,' as a result
 					 *   of having been compressed and decompressed
 					 *   with the Agfa MicroType Express engine.
@@ -121,10 +119,10 @@ struct head
 					   January 1, 1904. 64-bit integer */
   LONGDATETIME	modified;		/* Number of seconds since 12:00 midnight,
 					   January 1, 1904. 64-bit integer */
-  HBINT16		xMin;			/* For all glyph bounding boxes. */
-  HBINT16		yMin;			/* For all glyph bounding boxes. */
-  HBINT16		xMax;			/* For all glyph bounding boxes. */
-  HBINT16		yMax;			/* For all glyph bounding boxes. */
+  HBINT16	xMin;			/* For all glyph bounding boxes. */
+  HBINT16	yMin;			/* For all glyph bounding boxes. */
+  HBINT16	xMax;			/* For all glyph bounding boxes. */
+  HBINT16	yMax;			/* For all glyph bounding boxes. */
   HBUINT16	macStyle;		/* Bit 0: Bold (if set to 1);
 					 * Bit 1: Italic (if set to 1)
 					 * Bit 2: Underline (if set to 1)
@@ -134,15 +132,15 @@ struct head
 					 * Bit 6: Extended (if set to 1)
 					 * Bits 7-15: Reserved (set to 0). */
   HBUINT16	lowestRecPPEM;		/* Smallest readable size in pixels. */
-  HBINT16		fontDirectionHint;	/* Deprecated (Set to 2).
+  HBINT16	fontDirectionHint;	/* Deprecated (Set to 2).
 					 * 0: Fully mixed directional glyphs;
 					 * 1: Only strongly left to right;
 					 * 2: Like 1 but also contains neutrals;
 					 * -1: Only strongly right to left;
 					 * -2: Like -1 but also contains neutrals. */
   public:
-  HBINT16		indexToLocFormat;	/* 0 for short offsets, 1 for long. */
-  HBINT16		glyphDataFormat;	/* 0 for current format. */
+  HBINT16	indexToLocFormat;	/* 0 for short offsets, 1 for long. */
+  HBINT16	glyphDataFormat;	/* 0 for current format. */
 
   DEFINE_SIZE_STATIC (54);
 };
diff --git a/src/hb-ot-post-table.hh b/src/hb-ot-post-table.hh
index 019472c8e..9e4792115 100644
--- a/src/hb-ot-post-table.hh
+++ b/src/hb-ot-post-table.hh
@@ -261,16 +261,16 @@ struct post
 					 * from the value of this field. */
   FWORD		underlineThickness;	/* Suggested values for the underline
 					   thickness. */
-  HBUINT32		isFixedPitch;		/* Set to 0 if the font is proportionally
+  HBUINT32	isFixedPitch;		/* Set to 0 if the font is proportionally
 					 * spaced, non-zero if the font is not
 					 * proportionally spaced (i.e. monospaced). */
-  HBUINT32		minMemType42;		/* Minimum memory usage when an OpenType font
+  HBUINT32	minMemType42;		/* Minimum memory usage when an OpenType font
 					 * is downloaded. */
-  HBUINT32		maxMemType42;		/* Maximum memory usage when an OpenType font
+  HBUINT32	maxMemType42;		/* Maximum memory usage when an OpenType font
 					 * is downloaded. */
-  HBUINT32		minMemType1;		/* Minimum memory usage when an OpenType font
+  HBUINT32	minMemType1;		/* Minimum memory usage when an OpenType font
 					 * is downloaded as a Type 1 font. */
-  HBUINT32		maxMemType1;		/* Maximum memory usage when an OpenType font
+  HBUINT32	maxMemType1;		/* Maximum memory usage when an OpenType font
 					 * is downloaded as a Type 1 font. */
 /*postV2Tail	v2[VAR];*/
   DEFINE_SIZE_STATIC (32);

From fd034490942c06e31cfb42f32023c78734f8aeeb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 17 Jan 2018 16:46:51 -0800
Subject: [PATCH 0887/1326] Rename hb_apply_context_t to hb_ot_apply_context_t

---
 src/hb-aat-layout-morx-table.hh            | 16 +++---
 src/hb-aat-layout-private.hh               |  2 +-
 src/hb-aat-layout.cc                       |  2 +-
 src/hb-ot-layout-gpos-table.hh             | 48 +++++++++---------
 src/hb-ot-layout-gsub-table.hh             | 24 ++++-----
 src/hb-ot-layout-gsubgpos-private.hh       | 58 +++++++++++-----------
 src/hb-ot-layout-private.hh                |  4 +-
 src/hb-ot-layout.cc                        | 16 +++---
 src/hb-ot-shape-complex-arabic-fallback.hh |  2 +-
 src/hb-ot-shape-fallback.cc                |  4 +-
 src/hb-ot-shape.cc                         |  2 +-
 11 files changed, 89 insertions(+), 89 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 766292b31..419185c5a 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -148,7 +148,7 @@ struct RearrangementSubtable
     unsigned int last_zero_before_start;
   };
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -245,7 +245,7 @@ struct ContextualSubtable
     const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32> &subs;
   };
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -326,7 +326,7 @@ struct LigatureSubtable
     private:
   };
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -360,7 +360,7 @@ struct LigatureSubtable
 
 struct NoncontextualSubtable
 {
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -396,7 +396,7 @@ struct NoncontextualSubtable
 
 struct InsertionSubtable
 {
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     /* TODO */
@@ -448,7 +448,7 @@ struct ChainSubtable
     Insertion		= 5
   };
 
-  inline void apply (hb_apply_context_t *c, const char *end) const
+  inline void apply (hb_ot_apply_context_t *c, const char *end) const
   {
     dispatch (c, end);
   }
@@ -496,7 +496,7 @@ struct ChainSubtable
 
 struct Chain
 {
-  inline void apply (hb_apply_context_t *c, const char *end) const
+  inline void apply (hb_ot_apply_context_t *c, const char *end) const
   {
     const ChainSubtable *subtable = &StructAtOffset<ChainSubtable> (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
@@ -555,7 +555,7 @@ struct morx
 {
   static const hb_tag_t tableTag = HB_AAT_TAG_MORX;
 
-  inline void apply (hb_apply_context_t *c, unsigned int length) const
+  inline void apply (hb_ot_apply_context_t *c, unsigned int length) const
   {
     const char *end = (const char *) this + length;
     const Chain *chain = chains;
diff --git a/src/hb-aat-layout-private.hh b/src/hb-aat-layout-private.hh
index eb2cdd1cd..ebddf3b40 100644
--- a/src/hb-aat-layout-private.hh
+++ b/src/hb-aat-layout-private.hh
@@ -35,6 +35,6 @@
 
 
 HB_INTERNAL void
-hb_aat_layout_substitute (OT::hb_apply_context_t *c);
+hb_aat_layout_substitute (OT::hb_ot_apply_context_t *c);
 
 #endif /* HB_AAT_LAYOUT_PRIVATE_HH */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 7455787f1..94e1442d6 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -68,7 +68,7 @@ _hb_aat_layout_create (hb_face_t *face)
 }
 
 void
-hb_aat_layout_substitute (OT::hb_apply_context_t *c)
+hb_aat_layout_substitute (OT::hb_ot_apply_context_t *c)
 {
   unsigned int length;
   const AAT::morx& morx = _get_morx (c->face, &length);
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 836a2e240..3ef3d30b0 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -103,7 +103,7 @@ struct ValueFormat : HBUINT16
   inline unsigned int get_size (void) const
   { return get_len () * Value::static_size; }
 
-  void apply_value (hb_apply_context_t   *c,
+  void apply_value (hb_ot_apply_context_t   *c,
 		    const void           *base,
 		    const Value          *values,
 		    hb_glyph_position_t  &glyph_pos) const
@@ -232,7 +232,7 @@ struct ValueFormat : HBUINT16
 
 struct AnchorFormat1
 {
-  inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
+  inline void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
 			  float *x, float *y) const
   {
     hb_font_t *font = c->font;
@@ -256,7 +256,7 @@ struct AnchorFormat1
 
 struct AnchorFormat2
 {
-  inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id,
+  inline void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id,
 			  float *x, float *y) const
   {
     hb_font_t *font = c->font;
@@ -288,7 +288,7 @@ struct AnchorFormat2
 
 struct AnchorFormat3
 {
-  inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
+  inline void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
 			  float *x, float *y) const
   {
     hb_font_t *font = c->font;
@@ -325,7 +325,7 @@ struct AnchorFormat3
 
 struct Anchor
 {
-  inline void get_anchor (hb_apply_context_t *c, hb_codepoint_t glyph_id,
+  inline void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id,
 			  float *x, float *y) const
   {
     *x = *y = 0;
@@ -413,7 +413,7 @@ struct MarkRecord
 
 struct MarkArray : ArrayOf<MarkRecord>	/* Array of MarkRecords--in Coverage order */
 {
-  inline bool apply (hb_apply_context_t *c,
+  inline bool apply (hb_ot_apply_context_t *c,
 		     unsigned int mark_index, unsigned int glyph_index,
 		     const AnchorMatrix &anchors, unsigned int class_count,
 		     unsigned int glyph_pos) const
@@ -470,7 +470,7 @@ struct SinglePosFormat1
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_buffer_t *buffer = c->buffer;
@@ -518,7 +518,7 @@ struct SinglePosFormat2
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_buffer_t *buffer = c->buffer;
@@ -610,7 +610,7 @@ struct PairSet
     c->input->add_array (&record->secondGlyph, len, record_size);
   }
 
-  inline bool apply (hb_apply_context_t *c,
+  inline bool apply (hb_ot_apply_context_t *c,
 		     const ValueFormat *valueFormats,
 		     unsigned int pos) const
   {
@@ -695,14 +695,14 @@ struct PairPosFormat1
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_buffer_t *buffer = c->buffer;
     unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
     if (likely (index == NOT_COVERED)) return_trace (false);
 
-    hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
     skippy_iter.reset (buffer->idx, 1);
     if (!skippy_iter.next ()) return_trace (false);
 
@@ -759,14 +759,14 @@ struct PairPosFormat2
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_buffer_t *buffer = c->buffer;
     unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
     if (likely (index == NOT_COVERED)) return_trace (false);
 
-    hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
     skippy_iter.reset (buffer->idx, 1);
     if (!skippy_iter.next ()) return_trace (false);
 
@@ -900,7 +900,7 @@ struct CursivePosFormat1
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_buffer_t *buffer = c->buffer;
@@ -908,7 +908,7 @@ struct CursivePosFormat1
     const EntryExitRecord &this_record = entryExitRecord[(this+coverage).get_coverage  (buffer->cur().codepoint)];
     if (!this_record.exitAnchor) return_trace (false);
 
-    hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
     skippy_iter.reset (buffer->idx, 1);
     if (!skippy_iter.next ()) return_trace (false);
 
@@ -1059,7 +1059,7 @@ struct MarkBasePosFormat1
     return this+markCoverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_buffer_t *buffer = c->buffer;
@@ -1067,7 +1067,7 @@ struct MarkBasePosFormat1
     if (likely (mark_index == NOT_COVERED)) return_trace (false);
 
     /* Now we search backwards for a non-mark glyph */
-    hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
     skippy_iter.reset (buffer->idx, 1);
     skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
     do {
@@ -1162,7 +1162,7 @@ struct MarkLigPosFormat1
     return this+markCoverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_buffer_t *buffer = c->buffer;
@@ -1170,7 +1170,7 @@ struct MarkLigPosFormat1
     if (likely (mark_index == NOT_COVERED)) return_trace (false);
 
     /* Now we search backwards for a non-mark glyph */
-    hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
     skippy_iter.reset (buffer->idx, 1);
     skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
     if (!skippy_iter.prev ()) return_trace (false);
@@ -1275,7 +1275,7 @@ struct MarkMarkPosFormat1
     return this+mark1Coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_buffer_t *buffer = c->buffer;
@@ -1283,7 +1283,7 @@ struct MarkMarkPosFormat1
     if (likely (mark1_index == NOT_COVERED)) return_trace (false);
 
     /* now we search backwards for a suitable mark glyph until a non-mark glyph */
-    hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
     skippy_iter.reset (buffer->idx, 1);
     skippy_iter.set_lookup_props (c->lookup_props & ~LookupFlag::IgnoreFlags);
     if (!skippy_iter.prev ()) return_trace (false);
@@ -1450,7 +1450,7 @@ struct PosLookup : Lookup
     return false;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     return_trace (dispatch (c));
@@ -1469,7 +1469,7 @@ struct PosLookup : Lookup
     dispatch (&c);
   }
 
-  static bool apply_recurse_func (hb_apply_context_t *c, unsigned int lookup_index);
+  static bool apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index);
 
   template <typename context_t>
   static inline typename context_t::return_t dispatch_recurse_func (context_t *c, unsigned int lookup_index);
@@ -1621,7 +1621,7 @@ template <typename context_t>
   return l.dispatch (c);
 }
 
-/*static*/ inline bool PosLookup::apply_recurse_func (hb_apply_context_t *c, unsigned int lookup_index)
+/*static*/ inline bool PosLookup::apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index)
 {
   const GPOS &gpos = *(hb_ot_layout_from_face (c->face)->gpos);
   const PosLookup &l = gpos.get_lookup (lookup_index);
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index f483d7526..263e0a6e1 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -76,7 +76,7 @@ struct SingleSubstFormat1
     return_trace (c->len == 1 && (this+coverage).get_coverage (c->glyphs[0]) != NOT_COVERED);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_codepoint_t glyph_id = c->buffer->cur().codepoint;
@@ -161,7 +161,7 @@ struct SingleSubstFormat2
     return_trace (c->len == 1 && (this+coverage).get_coverage (c->glyphs[0]) != NOT_COVERED);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_codepoint_t glyph_id = c->buffer->cur().codepoint;
@@ -272,7 +272,7 @@ struct Sequence
     c->output->add_array (substitute.array, substitute.len);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     unsigned int count = substitute.len;
@@ -363,7 +363,7 @@ struct MultipleSubstFormat1
     return_trace (c->len == 1 && (this+coverage).get_coverage (c->glyphs[0]) != NOT_COVERED);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -495,7 +495,7 @@ struct AlternateSubstFormat1
     return_trace (c->len == 1 && (this+coverage).get_coverage (c->glyphs[0]) != NOT_COVERED);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_codepoint_t glyph_id = c->buffer->cur().codepoint;
@@ -628,7 +628,7 @@ struct Ligature
     return_trace (true);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     unsigned int count = component.len;
@@ -730,7 +730,7 @@ struct LigatureSet
     return_trace (false);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     unsigned int num_ligs = ligature.len;
@@ -821,7 +821,7 @@ struct LigatureSubstFormat1
     return_trace (lig_set.would_apply (c));
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     hb_codepoint_t glyph_id = c->buffer->cur().codepoint;
@@ -993,7 +993,7 @@ struct ReverseChainSingleSubstFormat1
     return_trace (c->len == 1 && (this+coverage).get_coverage (c->glyphs[0]) != NOT_COVERED);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     if (unlikely (c->nesting_level_left != HB_MAX_NESTING_LEVEL))
@@ -1150,7 +1150,7 @@ struct SubstLookup : Lookup
     return lookup_type_is_reverse (type);
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     return_trace (dispatch (c));
@@ -1186,7 +1186,7 @@ struct SubstLookup : Lookup
       return_trace (dispatch (c));
   }
 
-  static bool apply_recurse_func (hb_apply_context_t *c, unsigned int lookup_index);
+  static bool apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index);
 
   inline SubstLookupSubTable& serialize_subtable (hb_serialize_context_t *c,
 						  unsigned int i)
@@ -1343,7 +1343,7 @@ template <typename context_t>
   return l.dispatch (c);
 }
 
-/*static*/ inline bool SubstLookup::apply_recurse_func (hb_apply_context_t *c, unsigned int lookup_index)
+/*static*/ inline bool SubstLookup::apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index)
 {
   const GSUB &gsub = *(hb_ot_layout_from_face (c->face)->gsub);
   const SubstLookup &l = gsub.get_lookup (lookup_index);
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index a5cb105ca..4f56dbab8 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -218,8 +218,8 @@ struct hb_add_coverage_context_t :
 };
 
 
-struct hb_apply_context_t :
-       hb_dispatch_context_t<hb_apply_context_t, bool, HB_DEBUG_APPLY>
+struct hb_ot_apply_context_t :
+       hb_dispatch_context_t<hb_ot_apply_context_t, bool, HB_DEBUG_APPLY>
 {
   struct matcher_t
   {
@@ -271,7 +271,7 @@ struct hb_apply_context_t :
     };
 
     inline may_skip_t
-    may_skip (const hb_apply_context_t *c,
+    may_skip (const hb_ot_apply_context_t *c,
 	      const hb_glyph_info_t    &info) const
     {
       if (!c->check_glyph_property (&info, lookup_props))
@@ -297,7 +297,7 @@ struct hb_apply_context_t :
 
   struct skipping_iterator_t
   {
-    inline void init (hb_apply_context_t *c_, bool context_match = false)
+    inline void init (hb_ot_apply_context_t *c_, bool context_match = false)
     {
       c = c_;
       match_glyph_data = nullptr;
@@ -333,7 +333,7 @@ struct hb_apply_context_t :
     inline void reject (void) { num_items++; match_glyph_data--; }
 
     inline matcher_t::may_skip_t
-    may_skip (const hb_apply_context_t *c,
+    may_skip (const hb_ot_apply_context_t *c,
 	      const hb_glyph_info_t    &info) const
     {
       return matcher.may_skip (c, info);
@@ -396,7 +396,7 @@ struct hb_apply_context_t :
 
     unsigned int idx;
     protected:
-    hb_apply_context_t *c;
+    hb_ot_apply_context_t *c;
     matcher_t matcher;
     const HBUINT16 *match_glyph_data;
 
@@ -406,7 +406,7 @@ struct hb_apply_context_t :
 
 
   inline const char *get_name (void) { return "APPLY"; }
-  typedef return_t (*recurse_func_t) (hb_apply_context_t *c, unsigned int lookup_index);
+  typedef return_t (*recurse_func_t) (hb_ot_apply_context_t *c, unsigned int lookup_index);
   template <typename T>
   inline return_t dispatch (const T &obj) { return obj.apply (this); }
   static return_t default_return_value (void) { return false; }
@@ -444,7 +444,7 @@ struct hb_apply_context_t :
   bool has_glyph_classes;
 
 
-  hb_apply_context_t (unsigned int table_index_,
+  hb_ot_apply_context_t (unsigned int table_index_,
 		      hb_font_t *font_,
 		      hb_buffer_t *buffer_) :
 			iter_input (), iter_context (),
@@ -670,7 +670,7 @@ static inline bool would_match_input (hb_would_apply_context_t *c,
 
   return true;
 }
-static inline bool match_input (hb_apply_context_t *c,
+static inline bool match_input (hb_ot_apply_context_t *c,
 				unsigned int count, /* Including the first glyph (not matched) */
 				const HBUINT16 input[], /* Array of input values--start with second glyph */
 				match_func_t match_func,
@@ -686,7 +686,7 @@ static inline bool match_input (hb_apply_context_t *c,
 
   hb_buffer_t *buffer = c->buffer;
 
-  hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+  hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
   skippy_iter.reset (buffer->idx, count - 1);
   skippy_iter.set_match_func (match_func, match_data, input);
 
@@ -763,7 +763,7 @@ static inline bool match_input (hb_apply_context_t *c,
 	    j--;
 	  }
 
-	  if (found && skippy_iter.may_skip (c, out[j]) == hb_apply_context_t::matcher_t::SKIP_YES)
+	  if (found && skippy_iter.may_skip (c, out[j]) == hb_ot_apply_context_t::matcher_t::SKIP_YES)
 	    ligbase = LIGBASE_MAY_SKIP;
 	  else
 	    ligbase = LIGBASE_MAY_NOT_SKIP;
@@ -796,7 +796,7 @@ static inline bool match_input (hb_apply_context_t *c,
 
   return_trace (true);
 }
-static inline bool ligate_input (hb_apply_context_t *c,
+static inline bool ligate_input (hb_ot_apply_context_t *c,
 				 unsigned int count, /* Including the first glyph */
 				 unsigned int match_positions[HB_MAX_CONTEXT_LENGTH], /* Including the first glyph */
 				 unsigned int match_length,
@@ -894,7 +894,7 @@ static inline bool ligate_input (hb_apply_context_t *c,
   return_trace (true);
 }
 
-static inline bool match_backtrack (hb_apply_context_t *c,
+static inline bool match_backtrack (hb_ot_apply_context_t *c,
 				    unsigned int count,
 				    const HBUINT16 backtrack[],
 				    match_func_t match_func,
@@ -903,7 +903,7 @@ static inline bool match_backtrack (hb_apply_context_t *c,
 {
   TRACE_APPLY (nullptr);
 
-  hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
+  hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
   skippy_iter.reset (c->buffer->backtrack_len (), count);
   skippy_iter.set_match_func (match_func, match_data, backtrack);
 
@@ -916,7 +916,7 @@ static inline bool match_backtrack (hb_apply_context_t *c,
   return_trace (true);
 }
 
-static inline bool match_lookahead (hb_apply_context_t *c,
+static inline bool match_lookahead (hb_ot_apply_context_t *c,
 				    unsigned int count,
 				    const HBUINT16 lookahead[],
 				    match_func_t match_func,
@@ -926,7 +926,7 @@ static inline bool match_lookahead (hb_apply_context_t *c,
 {
   TRACE_APPLY (nullptr);
 
-  hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
+  hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
   skippy_iter.reset (c->buffer->idx + offset - 1, count);
   skippy_iter.set_match_func (match_func, match_data, lookahead);
 
@@ -967,7 +967,7 @@ static inline void recurse_lookups (context_t *c,
     c->recurse (lookupRecord[i].lookupListIndex);
 }
 
-static inline bool apply_lookup (hb_apply_context_t *c,
+static inline bool apply_lookup (hb_ot_apply_context_t *c,
 				 unsigned int count, /* Including the first glyph */
 				 unsigned int match_positions[HB_MAX_CONTEXT_LENGTH], /* Including the first glyph */
 				 unsigned int lookupCount,
@@ -1149,7 +1149,7 @@ static inline bool context_would_apply_lookup (hb_would_apply_context_t *c,
 			    inputCount, input,
 			    lookup_context.funcs.match, lookup_context.match_data);
 }
-static inline bool context_apply_lookup (hb_apply_context_t *c,
+static inline bool context_apply_lookup (hb_ot_apply_context_t *c,
 					 unsigned int inputCount, /* Including the first glyph (not matched) */
 					 const HBUINT16 input[], /* Array of input values--start with second glyph */
 					 unsigned int lookupCount,
@@ -1198,7 +1198,7 @@ struct Rule
     return_trace (context_would_apply_lookup (c, inputCount, inputZ, lookupCount, lookupRecord, lookup_context));
   }
 
-  inline bool apply (hb_apply_context_t *c, ContextApplyLookupContext &lookup_context) const
+  inline bool apply (hb_ot_apply_context_t *c, ContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
     const LookupRecord *lookupRecord = &StructAtOffset<LookupRecord> (inputZ, inputZ[0].static_size * (inputCount ? inputCount - 1 : 0));
@@ -1259,7 +1259,7 @@ struct RuleSet
     return_trace (false);
   }
 
-  inline bool apply (hb_apply_context_t *c, ContextApplyLookupContext &lookup_context) const
+  inline bool apply (hb_ot_apply_context_t *c, ContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
     unsigned int num_rules = rule.len;
@@ -1339,7 +1339,7 @@ struct ContextFormat1
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     unsigned int index = (this+coverage).get_coverage (c->buffer->cur().codepoint);
@@ -1431,7 +1431,7 @@ struct ContextFormat2
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     unsigned int index = (this+coverage).get_coverage (c->buffer->cur().codepoint);
@@ -1522,7 +1522,7 @@ struct ContextFormat3
     return this+coverageZ[0];
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     unsigned int index = (this+coverageZ[0]).get_coverage (c->buffer->cur().codepoint);
@@ -1673,7 +1673,7 @@ static inline bool chain_context_would_apply_lookup (hb_would_apply_context_t *c
 			    lookup_context.funcs.match, lookup_context.match_data[1]);
 }
 
-static inline bool chain_context_apply_lookup (hb_apply_context_t *c,
+static inline bool chain_context_apply_lookup (hb_ot_apply_context_t *c,
 					       unsigned int backtrackCount,
 					       const HBUINT16 backtrack[],
 					       unsigned int inputCount, /* Including the first glyph (not matched) */
@@ -1748,7 +1748,7 @@ struct ChainRule
 						    lookup.array, lookup_context));
   }
 
-  inline bool apply (hb_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
+  inline bool apply (hb_ot_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
     const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16> > (backtrack);
@@ -1820,7 +1820,7 @@ struct ChainRuleSet
     return_trace (false);
   }
 
-  inline bool apply (hb_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
+  inline bool apply (hb_ot_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
     unsigned int num_rules = rule.len;
@@ -1897,7 +1897,7 @@ struct ChainContextFormat1
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     unsigned int index = (this+coverage).get_coverage (c->buffer->cur().codepoint);
@@ -2001,7 +2001,7 @@ struct ChainContextFormat2
     return this+coverage;
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     unsigned int index = (this+coverage).get_coverage (c->buffer->cur().codepoint);
@@ -2125,7 +2125,7 @@ struct ChainContextFormat3
     return this+input[0];
   }
 
-  inline bool apply (hb_apply_context_t *c) const
+  inline bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     const OffsetArrayOf<Coverage> &input = StructAfter<OffsetArrayOf<Coverage> > (backtrack);
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 39d1a6720..60119629c 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -90,12 +90,12 @@ hb_ot_layout_substitute_start (hb_font_t    *font,
 struct hb_ot_layout_lookup_accelerator_t;
 
 namespace OT {
-  struct hb_apply_context_t;
+  struct hb_ot_apply_context_t;
   struct SubstLookup;
 }
 
 HB_INTERNAL void
-hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
+hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
 				const OT::SubstLookup &lookup,
 				const hb_ot_layout_lookup_accelerator_t &accel);
 
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 14b64359f..919ecbb4b 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1057,13 +1057,13 @@ struct hb_get_subtables_context_t :
        OT::hb_dispatch_context_t<hb_get_subtables_context_t, hb_void_t, HB_DEBUG_APPLY>
 {
   template <typename Type>
-  static inline bool apply_to (const void *obj, OT::hb_apply_context_t *c)
+  static inline bool apply_to (const void *obj, OT::hb_ot_apply_context_t *c)
   {
     const Type *typed_obj = (const Type *) obj;
     return typed_obj->apply (c);
   }
 
-  typedef bool (*hb_apply_func_t) (const void *obj, OT::hb_apply_context_t *c);
+  typedef bool (*hb_apply_func_t) (const void *obj, OT::hb_ot_apply_context_t *c);
 
   struct hb_applicable_t
   {
@@ -1073,7 +1073,7 @@ struct hb_get_subtables_context_t :
       apply_func = apply_func_;
     }
 
-    inline bool apply (OT::hb_apply_context_t *c) const { return apply_func (obj, c); }
+    inline bool apply (OT::hb_ot_apply_context_t *c) const { return apply_func (obj, c); }
 
     private:
     const void *obj;
@@ -1104,7 +1104,7 @@ struct hb_get_subtables_context_t :
 };
 
 static inline bool
-apply_forward (OT::hb_apply_context_t *c,
+apply_forward (OT::hb_ot_apply_context_t *c,
 	       const hb_ot_layout_lookup_accelerator_t &accel,
 	       const hb_get_subtables_context_t::array_t &subtables)
 {
@@ -1134,7 +1134,7 @@ apply_forward (OT::hb_apply_context_t *c,
 }
 
 static inline bool
-apply_backward (OT::hb_apply_context_t *c,
+apply_backward (OT::hb_ot_apply_context_t *c,
 	       const hb_ot_layout_lookup_accelerator_t &accel,
 	       const hb_get_subtables_context_t::array_t &subtables)
 {
@@ -1163,7 +1163,7 @@ apply_backward (OT::hb_apply_context_t *c,
 
 template <typename Proxy>
 static inline void
-apply_string (OT::hb_apply_context_t *c,
+apply_string (OT::hb_ot_apply_context_t *c,
 	      const typename Proxy::Lookup &lookup,
 	      const hb_ot_layout_lookup_accelerator_t &accel)
 {
@@ -1214,7 +1214,7 @@ inline void hb_ot_map_t::apply (const Proxy &proxy,
 {
   const unsigned int table_index = proxy.table_index;
   unsigned int i = 0;
-  OT::hb_apply_context_t c (table_index, font, buffer);
+  OT::hb_ot_apply_context_t c (table_index, font, buffer);
   c.set_recurse_func (Proxy::Lookup::apply_recurse_func);
 
   for (unsigned int stage_index = 0; stage_index < stages[table_index].len; stage_index++) {
@@ -1254,7 +1254,7 @@ void hb_ot_map_t::position (const hb_ot_shape_plan_t *plan, hb_font_t *font, hb_
 }
 
 HB_INTERNAL void
-hb_ot_layout_substitute_lookup (OT::hb_apply_context_t *c,
+hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
 				const OT::SubstLookup &lookup,
 				const hb_ot_layout_lookup_accelerator_t &accel)
 {
diff --git a/src/hb-ot-shape-complex-arabic-fallback.hh b/src/hb-ot-shape-complex-arabic-fallback.hh
index d98cde121..5a257f042 100644
--- a/src/hb-ot-shape-complex-arabic-fallback.hh
+++ b/src/hb-ot-shape-complex-arabic-fallback.hh
@@ -340,7 +340,7 @@ arabic_fallback_plan_shape (arabic_fallback_plan_t *fallback_plan,
 			    hb_font_t *font,
 			    hb_buffer_t *buffer)
 {
-  OT::hb_apply_context_t c (0, font, buffer);
+  OT::hb_ot_apply_context_t c (0, font, buffer);
   for (unsigned int i = 0; i < fallback_plan->num_lookups; i++)
     if (fallback_plan->lookup_array[i]) {
       c.set_lookup_mask (fallback_plan->mask_array[i]);
diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index 695f6b06a..6b228790a 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -442,10 +442,10 @@ _hb_ot_shape_fallback_kern (const hb_ot_shape_plan_t *plan,
 {
   if (!plan->has_kern) return;
 
-  OT::hb_apply_context_t c (1, font, buffer);
+  OT::hb_ot_apply_context_t c (1, font, buffer);
   c.set_lookup_mask (plan->kern_mask);
   c.set_lookup_props (OT::LookupFlag::IgnoreMarks);
-  OT::hb_apply_context_t::skipping_iterator_t &skippy_iter = c.iter_input;
+  OT::hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c.iter_input;
   skippy_iter.init (&c);
 
   unsigned int count = buffer->len;
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 64e118a75..3076586d7 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -619,7 +619,7 @@ hb_ot_substitute_complex (hb_ot_shape_context_t *c)
   c->plan->substitute (c->font, buffer);
 
   /* XXX Call morx instead. */
-  //OT::hb_apply_context_t ac (0, c->font, c->buffer);
+  //OT::hb_ot_apply_context_t ac (0, c->font, c->buffer);
   //hb_aat_layout_substitute (&ac);
 }
 

From 046690a4df0fdc93e3490210ef105f26057b1462 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 17 Jan 2018 16:59:55 -0800
Subject: [PATCH 0888/1326] [aat] Add hb_aat_apply_context_t

---
 src/hb-aat-layout-common-private.hh | 23 +++++++++++++++++++++++
 src/hb-aat-layout-morx-table.hh     | 27 +++++++++++++--------------
 src/hb-aat-layout-private.hh        |  2 +-
 src/hb-aat-layout.cc                |  8 +++++---
 src/hb-ot-shape.cc                  |  3 +--
 5 files changed, 43 insertions(+), 20 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index c93661c34..b1165e9bf 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -691,6 +691,29 @@ struct StateTableDriver
 };
 
 
+
+struct hb_aat_apply_context_t :
+       hb_dispatch_context_t<hb_aat_apply_context_t, bool, HB_DEBUG_APPLY>
+{
+  inline const char *get_name (void) { return "APPLY"; }
+  template <typename T>
+  inline return_t dispatch (const T &obj) { return obj.apply (this); }
+  static return_t default_return_value (void) { return false; }
+  bool stop_sublookup_iteration (return_t r) const { return r; }
+
+  hb_font_t *font;
+  hb_face_t *face;
+  hb_buffer_t *buffer;
+  const char *end;
+
+  hb_aat_apply_context_t (hb_font_t *font_,
+			  hb_buffer_t *buffer_,
+			  const char *end_) :
+			font (font_), face (font->face), buffer (buffer_),
+			end (end_) {}
+};
+
+
 } /* namespace AAT */
 
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 419185c5a..5b3402be5 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -148,7 +148,7 @@ struct RearrangementSubtable
     unsigned int last_zero_before_start;
   };
 
-  inline bool apply (hb_ot_apply_context_t *c) const
+  inline bool apply (hb_aat_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -245,7 +245,7 @@ struct ContextualSubtable
     const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32> &subs;
   };
 
-  inline bool apply (hb_ot_apply_context_t *c) const
+  inline bool apply (hb_aat_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -326,7 +326,7 @@ struct LigatureSubtable
     private:
   };
 
-  inline bool apply (hb_ot_apply_context_t *c) const
+  inline bool apply (hb_aat_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -360,7 +360,7 @@ struct LigatureSubtable
 
 struct NoncontextualSubtable
 {
-  inline bool apply (hb_ot_apply_context_t *c) const
+  inline bool apply (hb_aat_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
@@ -396,7 +396,7 @@ struct NoncontextualSubtable
 
 struct InsertionSubtable
 {
-  inline bool apply (hb_ot_apply_context_t *c) const
+  inline bool apply (hb_aat_apply_context_t *c) const
   {
     TRACE_APPLY (this);
     /* TODO */
@@ -448,13 +448,13 @@ struct ChainSubtable
     Insertion		= 5
   };
 
-  inline void apply (hb_ot_apply_context_t *c, const char *end) const
+  inline void apply (hb_aat_apply_context_t *c) const
   {
-    dispatch (c, end);
+    dispatch (c);
   }
 
   template <typename context_t>
-  inline typename context_t::return_t dispatch (context_t *c, const char *end) const
+  inline typename context_t::return_t dispatch (context_t *c) const
   {
     unsigned int subtable_type = get_type ();
     TRACE_DISPATCH (this, subtable_type);
@@ -476,7 +476,7 @@ struct ChainSubtable
 	!c->check_range (this, length))
       return_trace (false);
 
-    return_trace (dispatch (c, c->end));
+    return_trace (dispatch (c));
   }
 
   protected:
@@ -496,13 +496,13 @@ struct ChainSubtable
 
 struct Chain
 {
-  inline void apply (hb_ot_apply_context_t *c, const char *end) const
+  inline void apply (hb_aat_apply_context_t *c) const
   {
     const ChainSubtable *subtable = &StructAtOffset<ChainSubtable> (featureZ, featureZ[0].static_size * featureCount);
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
-      subtable->apply (c, end);
+      subtable->apply (c);
       subtable = &StructAfter<ChainSubtable> (*subtable);
     }
   }
@@ -555,14 +555,13 @@ struct morx
 {
   static const hb_tag_t tableTag = HB_AAT_TAG_MORX;
 
-  inline void apply (hb_ot_apply_context_t *c, unsigned int length) const
+  inline void apply (hb_aat_apply_context_t *c) const
   {
-    const char *end = (const char *) this + length;
     const Chain *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)
     {
-      chain->apply (c, end);
+      chain->apply (c);
       chain = &StructAfter<Chain> (*chain);
     }
   }
diff --git a/src/hb-aat-layout-private.hh b/src/hb-aat-layout-private.hh
index ebddf3b40..c1c607a2f 100644
--- a/src/hb-aat-layout-private.hh
+++ b/src/hb-aat-layout-private.hh
@@ -35,6 +35,6 @@
 
 
 HB_INTERNAL void
-hb_aat_layout_substitute (OT::hb_ot_apply_context_t *c);
+hb_aat_layout_substitute (hb_font_t *font, hb_buffer_t *buffer);
 
 #endif /* HB_AAT_LAYOUT_PRIVATE_HH */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 94e1442d6..465aec642 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -68,9 +68,11 @@ _hb_aat_layout_create (hb_face_t *face)
 }
 
 void
-hb_aat_layout_substitute (OT::hb_ot_apply_context_t *c)
+hb_aat_layout_substitute (hb_font_t *font, hb_buffer_t *buffer)
 {
   unsigned int length;
-  const AAT::morx& morx = _get_morx (c->face, &length);
-  morx.apply (c, length);
+  const AAT::morx& morx = _get_morx (font->face, &length);
+
+  AAT::hb_aat_apply_context_t c (font, buffer, (const char *) &morx + length);
+  morx.apply (&c);
 }
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 3076586d7..fc5dd1084 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -619,8 +619,7 @@ hb_ot_substitute_complex (hb_ot_shape_context_t *c)
   c->plan->substitute (c->font, buffer);
 
   /* XXX Call morx instead. */
-  //OT::hb_ot_apply_context_t ac (0, c->font, c->buffer);
-  //hb_aat_layout_substitute (&ac);
+  //hb_aat_layout_substitute (c->font, c->buffer);
 }
 
 static inline void

From f07ce661a2056965c573c99bdb721c065563ea7b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 19 Jan 2018 16:52:01 -0800
Subject: [PATCH 0889/1326] [aat] Embed a sanitizer context in
 hb_aat_apply_context_t

For run-time checking.
---
 src/hb-aat-layout-common-private.hh | 22 ++++++++++++++++------
 src/hb-aat-layout.cc                | 16 ++++++++--------
 2 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index b1165e9bf..538615f76 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -704,13 +704,23 @@ struct hb_aat_apply_context_t :
   hb_font_t *font;
   hb_face_t *face;
   hb_buffer_t *buffer;
-  const char *end;
+  hb_sanitize_context_t sanitizer;
 
-  hb_aat_apply_context_t (hb_font_t *font_,
-			  hb_buffer_t *buffer_,
-			  const char *end_) :
-			font (font_), face (font->face), buffer (buffer_),
-			end (end_) {}
+  inline hb_aat_apply_context_t (hb_font_t *font_,
+				 hb_buffer_t *buffer_,
+				 hb_blob_t *table) :
+		font (font_), face (font->face), buffer (buffer_),
+		sanitizer ()
+  {
+    sanitizer.init (table);
+    sanitizer.num_glyphs = face->get_num_glyphs ();
+    sanitizer.start_processing ();
+  }
+
+  inline ~hb_aat_apply_context_t (void)
+  {
+    sanitizer.end_processing ();
+  }
 };
 
 
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 465aec642..d882fa166 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -37,19 +37,19 @@
  */
 
 static inline const AAT::morx&
-_get_morx (hb_face_t *face, unsigned int *length = nullptr)
+_get_morx (hb_face_t *face, hb_blob_t **blob = nullptr)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face)))
   {
-    if (length)
-      *length = 0;
+    if (blob)
+      *blob = hb_blob_get_empty ();
     return OT::Null(AAT::morx);
   }
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
   /* XXX this doesn't call set_num_glyphs on sanitizer. */
   const AAT::morx& morx = *(layout->morx.get ());
-  if (length)
-    *length = hb_blob_get_length (layout->morx.blob);
+  if (blob)
+    *blob = layout->morx.blob;
   return morx;
 }
 
@@ -70,9 +70,9 @@ _hb_aat_layout_create (hb_face_t *face)
 void
 hb_aat_layout_substitute (hb_font_t *font, hb_buffer_t *buffer)
 {
-  unsigned int length;
-  const AAT::morx& morx = _get_morx (font->face, &length);
+  hb_blob_t *blob;
+  const AAT::morx& morx = _get_morx (font->face, &blob);
 
-  AAT::hb_aat_apply_context_t c (font, buffer, (const char *) &morx + length);
+  AAT::hb_aat_apply_context_t c (font, buffer, blob);
   morx.apply (&c);
 }

From e6f283ed7db6f8e2f8016dcbf07e589c40976aa6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 19 Jan 2018 18:08:56 -0800
Subject: [PATCH 0890/1326] [aat] Implement LigatureSubtable

We form the Zapfino ligature now. Yay! No further testing done.
---
 src/hb-aat-layout-common-private.hh |  25 ++++---
 src/hb-aat-layout-morx-table.hh     | 108 +++++++++++++++++++++++++---
 2 files changed, 115 insertions(+), 18 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 538615f76..d62bafc5d 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -627,23 +627,26 @@ struct StateTableDriver
   inline void drive (context_t *c)
   {
     hb_glyph_info_t *info = buffer->info;
-    unsigned int count = buffer->len;
+
+    if (!c->in_place)
+      buffer->clear_output ();
+
     unsigned int state = 0;
     bool last_was_dont_advance = false;
-    for (buffer->idx = 0; buffer->idx <= count;)
+    for (buffer->idx = 0;;)
     {
       if (!state)
 	last_zero = buffer->idx;
 
-      unsigned int klass = buffer->idx < count ?
+      unsigned int klass = buffer->idx < buffer->len ?
 			   machine.get_class (info[buffer->idx].codepoint, num_glyphs) :
 			   0 /* End of text */;
       const Entry<EntryData> *entry = machine.get_entryZ (state, klass);
       if (unlikely (!entry))
 	break;
 
-      c->transition (this, entry);
-
+      if (unlikely (!c->transition (this, entry)))
+        break;
 
       if (entry->flags & context_t::DontAdvance)
       {
@@ -655,7 +658,7 @@ struct StateTableDriver
 	    dont_advance_set = hb_set_create ();
 	}
 
-	unsigned int key = info[buffer->idx].codepoint | (state << 16);
+	unsigned int key = info[buffer->idx].codepoint ^ (state << 16);
 	if (likely (!dont_advance_set->has (key)))
 	{
 	  dont_advance_set->add (key);
@@ -667,16 +670,20 @@ struct StateTableDriver
       else
         last_was_dont_advance = false;
 
+      state = entry->newState;
+
+      if (buffer->idx == buffer->len)
+        break;
+
       if (!last_was_dont_advance)
         buffer->next_glyph ();
-
-      state = entry->newState;
     }
 
     if (!c->in_place)
     {
-      for (buffer->idx = 0; buffer->idx <= count;)
+      for (; buffer->idx < buffer->len;)
         buffer->next_glyph ();
+      buffer->swap_buffers ();
     }
   }
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 5b3402be5..4a997eeca 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -61,7 +61,7 @@ struct RearrangementSubtable
 	start (0), end (0),
 	last_zero_before_start (0) {}
 
-    inline void transition (StateTableDriver<void> *driver,
+    inline bool transition (StateTableDriver<void> *driver,
 			    const Entry<void> *entry)
     {
       hb_buffer_t *buffer = driver->buffer;
@@ -138,6 +138,8 @@ struct RearrangementSubtable
 	  }
 	}
       }
+
+      return true;
     }
 
     public:
@@ -200,7 +202,7 @@ struct ContextualSubtable
 	last_zero_before_mark (0),
 	subs (table+table->substitutionTables) {}
 
-    inline void transition (StateTableDriver<EntryData> *driver,
+    inline bool transition (StateTableDriver<EntryData> *driver,
 			    const Entry<EntryData> *entry)
     {
       hb_buffer_t *buffer = driver->buffer;
@@ -235,6 +237,8 @@ struct ContextualSubtable
 	  ret = true;
 	}
       }
+
+      return true;
     }
 
     public:
@@ -309,28 +313,113 @@ struct LigatureSubtable
 					 * group. */
       Reserved		= 0x1FFF,	/* These bits are reserved and should be set to 0. */
     };
+    enum LigActionFlags {
+      LigActionLast	= 0x80000000,	/* This is the last action in the list. This also
+					 * implies storage. */
+      LigActionStore	= 0x40000000,	/* Store the ligature at the current cumulated index
+					 * in the ligature table in place of the marked
+					 * (i.e. currently-popped) glyph. */
+      LigActionOffset	= 0x3FFFFFFF,	/* A 30-bit value which is sign-extended to 32-bits
+					 * and added to the glyph ID, resulting in an index
+					 * into the component table. */
+    };
 
-    inline driver_context_t (const LigatureSubtable *table) :
-	ret (false) {}
+    inline driver_context_t (const LigatureSubtable *table,
+			     hb_aat_apply_context_t *c_) :
+	ret (false),
+	c (c_),
+	ligAction (table+table->ligAction),
+	component (table+table->component),
+	ligature (table+table->ligature),
+	match_length (0) {}
 
-    inline void transition (StateTableDriver<EntryData> *driver,
+    inline bool transition (StateTableDriver<EntryData> *driver,
 			    const Entry<EntryData> *entry)
     {
       hb_buffer_t *buffer = driver->buffer;
+      unsigned int flags = entry->flags;
 
-      /* TODO */
+      if (flags & SetComponent)
+      {
+        if (unlikely (match_length >= ARRAY_LENGTH (match_positions)))
+	  return false;
+
+	/* Never mark same index twice, in case DontAdvance was used... */
+	if (match_length && match_positions[match_length - 1] == buffer->out_len)
+	  match_length--;
+
+	match_positions[match_length++] = buffer->out_len;
+      }
+
+      if (flags & PerformAction)
+      {
+	unsigned int end = buffer->out_len;
+	unsigned int action_idx = entry->data.ligActionIndex;
+	unsigned int action;
+	unsigned int ligature_idx = 0;
+        do
+	{
+	  if (unlikely (!match_length))
+	    return false;
+
+	  buffer->move_to (match_positions[match_length - 1]);
+
+	  const HBUINT32 &actionData = ligAction[action_idx];
+	  if (unlikely (!actionData.sanitize (&c->sanitizer))) return false;
+	  action = actionData;
+
+	  uint32_t uoffset = action & LigActionOffset;
+	  if (uoffset & 0x20000000)
+	    uoffset += 0xC0000000;
+	  int32_t offset = (int32_t) uoffset;
+	  unsigned int component_idx = buffer->cur().codepoint + offset;
+
+	  const HBUINT16 &componentData = component[component_idx];
+	  if (unlikely (!componentData.sanitize (&c->sanitizer))) return false;
+	  ligature_idx += componentData;
+
+	  if (action & (LigActionStore | LigActionLast))
+	  {
+	    const GlyphID &ligatureData = ligature[ligature_idx];
+	    if (unlikely (!ligatureData.sanitize (&c->sanitizer))) return false;
+	    hb_codepoint_t lig = ligatureData;
+
+	    buffer->replace_glyph (lig);
+
+	    //ligature_idx = 0; // XXX Yes or no?
+	  }
+	  else
+	  {
+	    buffer->skip_glyph ();
+	    end--;
+	  }
+
+	  match_length--;
+	  action_idx++;
+	}
+	while (!(action & LigActionLast));
+	buffer->move_to (end);
+      }
+
+      return true;
     }
 
     public:
     bool ret;
     private:
+    hb_aat_apply_context_t *c;
+    const UnsizedArrayOf<HBUINT32> &ligAction;
+    const UnsizedArrayOf<HBUINT16> &component;
+    const UnsizedArrayOf<GlyphID> &ligature;
+    unsigned int match_length;
+    unsigned int match_positions[HB_MAX_CONTEXT_LENGTH];
   };
 
   inline bool apply (hb_aat_apply_context_t *c) const
   {
     TRACE_APPLY (this);
 
-    driver_context_t dc (this);
+    driver_context_t dc (this, c);
 
     StateTableDriver<EntryData> driver (machine, c->buffer, c->face);
     driver.drive (&dc);
@@ -341,8 +430,9 @@ struct LigatureSubtable
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    /* The main sanitization is done at run-time. */
-    return machine.sanitize (c);
+    /* The rest of array sanitizations are done at run-time. */
+    return c->check_struct (this) && machine.sanitize (c) &&
+	   ligAction && component && ligature;
     return_trace (true);
   }
 

From bef509855c7a2c4400a947d2527d1dc048da1284 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 19 Jan 2018 18:24:00 -0800
Subject: [PATCH 0891/1326] [aat] Add TODO

---
 src/hb-aat-layout-morx-table.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 4a997eeca..aa7b6d90e 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -393,6 +393,7 @@ struct LigatureSubtable
 	    buffer->skip_glyph ();
 	    end--;
 	  }
+	  /* TODO merge_clusters / unsafe_to_break */
 
 	  match_length--;
 	  action_idx++;

From 51ce3828e67a8ca7e4ea4b69e88c395e243bf01f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 19 Jan 2018 18:36:39 -0800
Subject: [PATCH 0892/1326] [aat] Fix Ligature matching

I hope... Makes "ffi" work with Zapfino. I'm not sure if doing it correctly though...
---
 src/hb-aat-layout-morx-table.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index aa7b6d90e..c64dca066 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -362,7 +362,7 @@ struct LigatureSubtable
 	  if (unlikely (!match_length))
 	    return false;
 
-	  buffer->move_to (match_positions[match_length - 1]);
+	  buffer->move_to (match_positions[--match_length]);
 
 	  const HBUINT32 &actionData = ligAction[action_idx];
 	  if (unlikely (!actionData.sanitize (&c->sanitizer))) return false;
@@ -384,6 +384,7 @@ struct LigatureSubtable
 	    if (unlikely (!ligatureData.sanitize (&c->sanitizer))) return false;
 	    hb_codepoint_t lig = ligatureData;
 
+	    match_positions[match_length++] = buffer->out_len;
 	    buffer->replace_glyph (lig);
 
 	    //ligature_idx = 0; // XXX Yes or no?
@@ -395,7 +396,6 @@ struct LigatureSubtable
 	  }
 	  /* TODO merge_clusters / unsafe_to_break */
 
-	  match_length--;
 	  action_idx++;
 	}
 	while (!(action & LigActionLast));

From 19a93fcf1946ad29f07306a0b6c65377bdaa49f0 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Sun, 21 Jan 2018 20:40:34 +0700
Subject: [PATCH 0893/1326] Fix typos.

---
 src/hb-blob.h   | 2 +-
 src/hb-buffer.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-blob.h b/src/hb-blob.h
index ef3fc98c0..53682d3eb 100644
--- a/src/hb-blob.h
+++ b/src/hb-blob.h
@@ -44,7 +44,7 @@ HB_BEGIN_DECLS
  *   any such possibility, MODE_DUPLICATE should be used
  *   such that HarfBuzz makes a copy immediately,
  *
- * - Use MODE_READONLY otherse, unless you really really
+ * - Use MODE_READONLY otherwise, unless you really really
  *   really know what you are doing,
  *
  * - MODE_WRITABLE is appropriate if you really made a
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index bcc29930e..b2801ddf5 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -247,13 +247,13 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer);
  *                      of the text without the full context.
  * @HB_BUFFER_FLAG_EOT: flag indicating that special handling of the end of text
  *                      paragraph can be applied to this buffer, similar to
- *                      @HB_BUFFER_FLAG_EOT.
+ *                      @HB_BUFFER_FLAG_BOT.
  * @HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES:
  *                      flag indication that character with Default_Ignorable
  *                      Unicode property should use the corresponding glyph
  *                      from the font, instead of hiding them (done by
  *                      replacing them with the space glyph and zeroing the
- *                      advance width.)  This flag takes precendence over
+ *                      advance width.)  This flag takes precedence over
  *                      @HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES.
  * @HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES:
  *                      flag indication that character with Default_Ignorable

From bd752db733e3d8c2c8773d831aebdd8a5cbb5e04 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 22 Jan 2018 13:08:35 +0330
Subject: [PATCH 0894/1326] [ci] unbreak bots with outdated freetype version
 (#718)

---
 .circleci/config.yml | 10 +++++++++-
 .travis.yml          | 10 +++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index f558e6d66..6fdb352af 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -8,7 +8,11 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
-      - run: ./autogen.sh && make distcheck
+
+      - run: apt-cache policy libfreetype6-dev && echo @@@@ revert \#718 when this update @@@@ 1>&2
+      - run: wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && sudo make install && cd ..
+
+      - run: ./autogen.sh && LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so" make distcheck
       - run: make distdir && cd harfbuzz-* && cmake -DDHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
   alpine:
@@ -44,6 +48,10 @@ jobs:
     steps:
       - checkout
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+
+      - run: apt-cache policy libfreetype6-dev && echo @@@@ revert \#718 when this update @@@@ 1>&2
+      - run: wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && sudo make install && cd ..
+
       - run: cmake -DHB_CHECK=ON -Bbuild -H. -GNinja
       - run: ninja -Cbuild
       - run: CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test
diff --git a/.travis.yml b/.travis.yml
index 533670c80..5cf107159 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,6 +17,10 @@ matrix:
     - os: linux
       compiler: gcc
       script:
+        - apt-cache policy libfreetype6-dev && echo @@@@ revert \#718 when this update @@@@ 1>&2
+        - wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && cd ..
+        - export LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so"
+
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --enable-gtk-doc
         - make
@@ -28,6 +32,10 @@ matrix:
     - os: linux
       compiler: clang
       script:
+        - apt-cache policy libfreetype6-dev && echo @@@@ revert \#718 when this update @@@@ 1>&2
+        - wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && cd ..
+        - export LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so"
+
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS
         - make
@@ -64,4 +72,4 @@ addons:
       - libcairo2-dev # for utils
       - libicu-dev # for extra unicode functions
       - libgraphite2-dev # for extra shapers
-      - # libgirepository1.0-dev # for gobject-introspection
+      #- libgirepository1.0-dev # for gobject-introspection

From aaf934de3b9e3447897b4da566655d6d0494e87b Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 22 Jan 2018 13:16:54 +0330
Subject: [PATCH 0895/1326] [ci] minor (#721)

---
 .circleci/config.yml | 4 ++--
 .travis.yml          | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6fdb352af..d7ea25676 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,7 +9,7 @@ jobs:
       - checkout
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
 
-      - run: apt-cache policy libfreetype6-dev && echo @@@@ revert \#718 when this update @@@@ 1>&2
+      - run: apt-cache policy libfreetype6-dev && echo @@@@ revert https://github.com/harfbuzz/harfbuzz/pull/718 when this updated @@@@ 1>&2
       - run: wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && sudo make install && cd ..
 
       - run: ./autogen.sh && LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so" make distcheck
@@ -49,7 +49,7 @@ jobs:
       - checkout
       - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
 
-      - run: apt-cache policy libfreetype6-dev && echo @@@@ revert \#718 when this update @@@@ 1>&2
+      - run: apt-cache policy libfreetype6-dev && echo @@@@ revert https://github.com/harfbuzz/harfbuzz/pull/718 when this updated @@@@ 1>&2
       - run: wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && sudo make install && cd ..
 
       - run: cmake -DHB_CHECK=ON -Bbuild -H. -GNinja
diff --git a/.travis.yml b/.travis.yml
index 5cf107159..187ca3afb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ matrix:
     - os: linux
       compiler: gcc
       script:
-        - apt-cache policy libfreetype6-dev && echo @@@@ revert \#718 when this update @@@@ 1>&2
+        - apt-cache policy libfreetype6-dev && echo @@@@ revert https://github.com/harfbuzz/harfbuzz/pull/718 when this updated @@@@ 1>&2
         - wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && cd ..
         - export LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so"
 
@@ -32,7 +32,7 @@ matrix:
     - os: linux
       compiler: clang
       script:
-        - apt-cache policy libfreetype6-dev && echo @@@@ revert \#718 when this update @@@@ 1>&2
+        - apt-cache policy libfreetype6-dev && echo @@@@ revert https://github.com/harfbuzz/harfbuzz/pull/718 when this updated @@@@ 1>&2
         - wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && cd ..
         - export LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so"
 

From 8b60e7c2c301a24906d591c80c42fd5e506072d2 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 22 Jan 2018 18:37:26 +0330
Subject: [PATCH 0896/1326] [ci] minor, less hacks (#722)

---
 .circleci/config.yml | 20 ++++++--------------
 .travis.yml          |  8 ++++----
 CMakeLists.txt       | 11 +++++++----
 3 files changed, 17 insertions(+), 22 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index d7ea25676..11ca1d7a8 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,16 +4,12 @@ jobs:
 
   distcheck:
     docker:
-      - image: dockcross/base
+      - image: ubuntu:17.10
     steps:
       - checkout
-      - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
-
-      - run: apt-cache policy libfreetype6-dev && echo @@@@ revert https://github.com/harfbuzz/harfbuzz/pull/718 when this updated @@@@ 1>&2
-      - run: wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && sudo make install && cd ..
-
-      - run: ./autogen.sh && LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so" make distcheck
-      - run: make distdir && cd harfbuzz-* && cmake -DDHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
+      - run: apt update && apt install -y ninja-build binutils libtool autoconf automake make cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: ./autogen.sh && make distcheck && rm -rf harfbuzz-*
+      - run: make distdir && cd harfbuzz-* && cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
   alpine:
     docker:
@@ -44,14 +40,10 @@ jobs:
 
   cmake-gcc:
     docker:
-      - image: dockcross/base
+      - image: ubuntu:17.10
     steps:
       - checkout
-      - run: apt update && apt install -y pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
-
-      - run: apt-cache policy libfreetype6-dev && echo @@@@ revert https://github.com/harfbuzz/harfbuzz/pull/718 when this updated @@@@ 1>&2
-      - run: wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && sudo make install && cd ..
-
+      - run: apt update && apt install -y ninja-build binutils cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
       - run: cmake -DHB_CHECK=ON -Bbuild -H. -GNinja
       - run: ninja -Cbuild
       - run: CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test
diff --git a/.travis.yml b/.travis.yml
index 187ca3afb..b99130657 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,9 +17,9 @@ matrix:
     - os: linux
       compiler: gcc
       script:
-        - apt-cache policy libfreetype6-dev && echo @@@@ revert https://github.com/harfbuzz/harfbuzz/pull/718 when this updated @@@@ 1>&2
+        # Remove these two lines when Travis updated its distro
         - wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && cd ..
-        - export LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so"
+        - export LD_LIBRARY_PATH="$PWD/freetype-2.9/objs/.libs"
 
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --enable-gtk-doc
@@ -32,9 +32,9 @@ matrix:
     - os: linux
       compiler: clang
       script:
-        - apt-cache policy libfreetype6-dev && echo @@@@ revert https://github.com/harfbuzz/harfbuzz/pull/718 when this updated @@@@ 1>&2
+        # Remove these two lines when Travis updated its distro
         - wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && cd ..
-        - export LD_PRELOAD="$PWD/freetype-2.9/objs/.libs/libfreetype.so"
+        - export LD_LIBRARY_PATH="$PWD/freetype-2.9/objs/.libs"
 
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 435d4fa54..15d3e93df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -795,15 +795,18 @@ if (UNIX OR MINGW)
       COMMAND ${CMAKE_COMMAND} -E env "headers=${space_separated_headers}" python ${PROJECT_SOURCE_DIR}/src/gen-def.py ${PROJECT_BINARY_DIR}/harfbuzz.def
       WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
 
-    add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
     add_test(NAME check-static-inits.sh
       COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
       WORKING_DIRECTORY ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/harfbuzz.dir/src # ugly hack
     )
     add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
-    add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
-    set_tests_properties(check-symbols.sh check-static-inits.sh check-libstdc++.sh check-defs.sh
-      PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
+    set_tests_properties(check-static-inits.sh check-libstdc++.sh PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
+
+    if (APPLE) # doesn't work on Linux it seems
+      add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
+      add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
+      set_tests_properties(check-symbols.sh check-defs.sh PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
+    endif ()
   endif ()
 
   add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh)

From 3d615766060e34a6e716c8737f651b6d6871ae85 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 22 Jan 2018 21:23:19 +0330
Subject: [PATCH 0897/1326] [cmake] fix symbol exporting issue on newer gcc
 (#724)

---
 CMakeLists.txt | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 15d3e93df..f5d9c1738 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -269,7 +269,7 @@ if (HB_HAVE_FREETYPE)
 
   list(APPEND THIRD_PARTY_LIBS ${FREETYPE_LIBRARIES})
   include_directories(AFTER ${FREETYPE_INCLUDE_DIRS})
-  add_definitions(-DHAVE_FREETYPE=1 -DHAVE_FT_FACE_GETCHARVARIANTINDEX=1)
+  add_definitions(-DHAVE_FREETYPE=1)
 
   list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
@@ -355,7 +355,7 @@ if (APPLE AND HB_HAVE_CORETEXT)
   if (APPLICATION_SERVICES_FRAMEWORK)
     list(APPEND THIRD_PARTY_LIBS ${APPLICATION_SERVICES_FRAMEWORK})
   endif (APPLICATION_SERVICES_FRAMEWORK)
-  
+
   mark_as_advanced(APPLICATION_SERVICES_FRAMEWORK)
 endif ()
 
@@ -380,7 +380,7 @@ endif ()
 if (HB_HAVE_GOBJECT)
   include (FindPythonInterp)
   include (FindPerl)
-  
+
   # Use the hints from glib-2.0.pc to find glib-mkenums
   find_package(PkgConfig)
   pkg_check_modules(PC_GLIB QUIET glib-2.0)
@@ -530,7 +530,8 @@ if (UNIX OR MINGW)
   ))
     set (CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
   endif ()
-  set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
+  add_definitions(-D__CORRECT_ISO_CPP11_MATH_H_PROTO_FP)
+  set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "c;m") # libc and libm
   set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
   set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
 
@@ -790,7 +791,8 @@ endif ()
 ## Tests
 if (UNIX OR MINGW)
   if (BUILD_SHARED_LIBS)
-    string(REPLACE ";" " " space_separated_headers "${project_headers}")  
+    # generate harfbuzz.def after build completion
+    string(REPLACE ";" " " space_separated_headers "${project_headers}")
     add_custom_command(TARGET harfbuzz POST_BUILD
       COMMAND ${CMAKE_COMMAND} -E env "headers=${space_separated_headers}" python ${PROJECT_SOURCE_DIR}/src/gen-def.py ${PROJECT_BINARY_DIR}/harfbuzz.def
       WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
@@ -800,13 +802,11 @@ if (UNIX OR MINGW)
       WORKING_DIRECTORY ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/harfbuzz.dir/src # ugly hack
     )
     add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
-    set_tests_properties(check-static-inits.sh check-libstdc++.sh PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
+    add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
+    add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
 
-    if (APPLE) # doesn't work on Linux it seems
-      add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
-      add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
-      set_tests_properties(check-symbols.sh check-defs.sh PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
-    endif ()
+    set_tests_properties(check-static-inits.sh check-libstdc++.sh check-symbols.sh check-defs.sh
+      PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
   endif ()
 
   add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh)

From c41b7fc10588323b5d8c0007befa701994115f7b Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 25 Jan 2018 09:53:32 +0330
Subject: [PATCH 0898/1326] [cmake] Use -fvisibility-inlines-hidden instead
 (#726)

---
 CMakeLists.txt | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f5d9c1738..c0853d6df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -126,9 +126,7 @@ if (BUILD_SHARED_LIBS)
   if (WIN32 AND NOT MINGW)
     add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")
   else ()
-    set (CMAKE_CXX_FLAGS "-fvisibility=hidden ${CMAKE_CXX_FLAGS}")
-    set (CMAKE_C_FLAGS "-fvisibility=hidden ${CMAKE_C_FLAGS}")
-    add_definitions("-DHB_EXTERN=__attribute__((visibility(\"default\"))) extern")
+    set (CMAKE_CXX_FLAGS "-fvisibility-inlines-hidden ${CMAKE_CXX_FLAGS}")
   endif ()
 endif ()
 
@@ -530,8 +528,7 @@ if (UNIX OR MINGW)
   ))
     set (CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
   endif ()
-  add_definitions(-D__CORRECT_ISO_CPP11_MATH_H_PROTO_FP)
-  set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "c;m") # libc and libm
+  set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "m") # libm
   set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
   set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
 

From 85be365ed9238caf0283346ab4e5c5127096fc8a Mon Sep 17 00:00:00 2001
From: bungeman <bungeman@chromium.org>
Date: Fri, 26 Jan 2018 13:38:06 -0500
Subject: [PATCH 0899/1326] Use KernSubTableFormat2::rightClassTable

Issue originally reported at http://cppfiles.com/chromium.txt .

This fixes what appears to be a copy - paste issue which causes both
KernSubTableFormat2::rightClassTable and the 'right' argument to
KernSubTableFormat2::get_kerning to go unused.
---
 src/hb-ot-kern-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-kern-table.hh b/src/hb-ot-kern-table.hh
index 86c138623..368f547a6 100644
--- a/src/hb-ot-kern-table.hh
+++ b/src/hb-ot-kern-table.hh
@@ -115,7 +115,7 @@ struct KernSubTableFormat2
   inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end) const
   {
     unsigned int l = (this+leftClassTable).get_class (left);
-    unsigned int r = (this+leftClassTable).get_class (left);
+    unsigned int r = (this+rightClassTable).get_class (right);
     unsigned int offset = l * rowWidth + r * sizeof (FWORD);
     const FWORD *arr = &(this+array);
     if (unlikely ((const void *) arr < (const void *) this || (const void *) arr >= (const void *) end))

From 12757b692905062fe0fc266a6230238b3492abfd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 26 Jan 2018 18:14:05 -0800
Subject: [PATCH 0900/1326] Misc warning fixes

Fixes https://github.com/harfbuzz/harfbuzz/issues/712
---
 src/hb-ot-layout-gsubgpos-private.hh | 9 ++++-----
 src/hb-ot-map-private.hh             | 1 -
 src/hb-ot-map.cc                     | 5 ++---
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 4f56dbab8..8a005f5a2 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -333,8 +333,7 @@ struct hb_ot_apply_context_t :
     inline void reject (void) { num_items++; match_glyph_data--; }
 
     inline matcher_t::may_skip_t
-    may_skip (const hb_ot_apply_context_t *c,
-	      const hb_glyph_info_t    &info) const
+    may_skip (const hb_glyph_info_t    &info) const
     {
       return matcher.may_skip (c, info);
     }
@@ -411,13 +410,13 @@ struct hb_ot_apply_context_t :
   inline return_t dispatch (const T &obj) { return obj.apply (this); }
   static return_t default_return_value (void) { return false; }
   bool stop_sublookup_iteration (return_t r) const { return r; }
-  return_t recurse (unsigned int lookup_index)
+  return_t recurse (unsigned int sub_lookup_index)
   {
     if (unlikely (nesting_level_left == 0 || !recurse_func || buffer->max_ops-- <= 0))
       return default_return_value ();
 
     nesting_level_left--;
-    bool ret = recurse_func (this, lookup_index);
+    bool ret = recurse_func (this, sub_lookup_index);
     nesting_level_left++;
     return ret;
   }
@@ -763,7 +762,7 @@ static inline bool match_input (hb_ot_apply_context_t *c,
 	    j--;
 	  }
 
-	  if (found && skippy_iter.may_skip (c, out[j]) == hb_ot_apply_context_t::matcher_t::SKIP_YES)
+	  if (found && skippy_iter.may_skip (out[j]) == hb_ot_apply_context_t::matcher_t::SKIP_YES)
 	    ligbase = LIGBASE_MAY_SKIP;
 	  else
 	    ligbase = LIGBASE_MAY_NOT_SKIP;
diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index 97b92cc9a..a80ac720f 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -198,7 +198,6 @@ struct hb_ot_map_builder_t
   private:
 
   HB_INTERNAL void add_lookups (hb_ot_map_t  &m,
-				hb_face_t    *face,
 				unsigned int  table_index,
 				unsigned int  feature_index,
 				unsigned int  variations_index,
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index ea9bde9a6..6f07a7e22 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -80,7 +80,6 @@ void hb_ot_map_builder_t::add_feature (hb_tag_t tag, unsigned int value,
 
 void
 hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
-				  hb_face_t    *face,
 				  unsigned int  table_index,
 				  unsigned int  feature_index,
 				  unsigned int  variations_index,
@@ -289,14 +288,14 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
     {
       if (required_feature_index[table_index] != HB_OT_LAYOUT_NO_FEATURE_INDEX &&
 	  required_feature_stage[table_index] == stage)
-	add_lookups (m, face, table_index,
+	add_lookups (m, table_index,
 		     required_feature_index[table_index],
 		     variations_index,
 		     global_bit_mask);
 
       for (unsigned i = 0; i < m.features.len; i++)
         if (m.features[i].stage[table_index] == stage)
-	  add_lookups (m, face, table_index,
+	  add_lookups (m, table_index,
 		       m.features[i].index[table_index],
 		       variations_index,
 		       m.features[i].mask,

From 2ec7dd1f6cb78ee6a0621aa98f18500d3318c90c Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Sun, 28 Jan 2018 17:48:28 -0500
Subject: [PATCH 0901/1326] Fix Travis build on macOS (#731)

---
 .travis.yml       | 2 +-
 src/check-defs.sh | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index b99130657..5516e7114 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -55,7 +55,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --with-coretext
         - make
-        - make check || (cat `find -name '*.log'` && false)
+        - make check || (cat `find . -name '*.log'` && false)
 
 notifications:
   irc: "irc.freenode.org#harfbuzz"
diff --git a/src/check-defs.sh b/src/check-defs.sh
index 9b4b7572a..c6697831f 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -27,11 +27,11 @@ for def in $defs; do
 		so=$libs/lib${lib}.$suffix
 		if ! test -f "$so"; then continue; fi
 
-		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
-
 		# On mac, C symbols are prefixed with _
 		if test $suffix = dylib; then prefix="_"; fi
 
+		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v " $prefix"'\(_fini\>\|_init\>\|_fdata\>\|_ftext\>\|_fbss\>\|__bss_start\>\|__bss_start__\>\|__bss_end__\>\|_edata\>\|_end\>\|_bss_end__\>\|__end__\>\|__gcov_flush\>\|llvm_\)' | cut -d' ' -f3`"
+
 		if test -f "$so"; then
 
 			echo "Checking that $so has the same symbol list as $def"

From 55cae0d72eecb5116008815b598481dd1404fc6a Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 29 Jan 2018 18:05:24 +0330
Subject: [PATCH 0902/1326] [test] Use 'otool -L' where ldd doesn't exist
 (macOS) (#732)

---
 src/check-libstdc++.sh | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/check-libstdc++.sh b/src/check-libstdc++.sh
index 4295180c4..e4aaeb2b4 100755
--- a/src/check-libstdc++.sh
+++ b/src/check-libstdc++.sh
@@ -9,10 +9,15 @@ stat=0
 
 
 if which ldd 2>/dev/null >/dev/null; then
-	:
+	LDD=ldd
 else
-	echo "check-libstdc++.sh: 'ldd' not found; skipping test"
-	exit 77
+	# macOS specific tool
+	if which otool 2>/dev/null >/dev/null; then
+		LDD="otool -L"
+	else
+		echo "check-libstdc++.sh: 'ldd' not found; skipping test"
+		exit 77
+	fi
 fi
 
 tested=false
@@ -21,7 +26,7 @@ for suffix in so dylib; do
 	if ! test -f "$so"; then continue; fi
 
 	echo "Checking that we are not linking to libstdc++ or libc++"
-	if ldd $so | grep 'libstdc[+][+]\|libc[+][+]'; then
+	if $LDD $so | grep 'libstdc[+][+]\|libc[+][+]'; then
 		echo "Ouch, linked to libstdc++ or libc++"
 		stat=1
 	fi

From 29d901286e632fa4de5ea198cc455cae56bc09a8 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 30 Jan 2018 10:01:46 +0330
Subject: [PATCH 0903/1326] [cmake] Build src/ executables (#733)

---
 CMakeLists.txt | 40 ++++++++++++++++++++++++++--------------
 1 file changed, 26 insertions(+), 14 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c0853d6df..3a5936669 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -126,7 +126,7 @@ if (BUILD_SHARED_LIBS)
   if (WIN32 AND NOT MINGW)
     add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")
   else ()
-    set (CMAKE_CXX_FLAGS "-fvisibility-inlines-hidden ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden")
   endif ()
 endif ()
 
@@ -272,8 +272,10 @@ if (HB_HAVE_FREETYPE)
   list(APPEND project_sources ${PROJECT_SOURCE_DIR}/src/hb-ft.cc)
   list(APPEND project_headers ${PROJECT_SOURCE_DIR}/src/hb-ft.h)
 
+  # So check_funcs can find its headers
   set (CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${FREETYPE_INCLUDE_DIRS})
   set (CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${FREETYPE_LIBRARIES})
+
   check_funcs(FT_Get_Var_Blend_Coordinates FT_Set_Var_Blend_Coordinates FT_Done_MM_Var)
 endif ()
 
@@ -522,19 +524,16 @@ if (UNIX OR MINGW)
   link_libraries(-Bsymbolic-functions)
 
   # Make sure we don't link to libstdc++
-  if (BUILD_SHARED_LIBS AND (
-    CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR
-    CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
-  ))
-    set (CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
+    set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "m") # libm
+    set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
+    set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
   endif ()
-  set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "m") # libm
-  set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
-  set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
 
   # No threadsafe statics as we do it ourselves
   if (BUILD_SHARED_LIBS)
-    set (CMAKE_CXX_FLAGS "-fno-threadsafe-statics ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-threadsafe-statics")
   endif ()
 endif ()
 
@@ -775,16 +774,29 @@ endif ()
 
 if (UNIX AND CMAKE_GENERATOR STREQUAL "Ninja")
   if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-    set (CMAKE_CXX_FLAGS "-fcolor-diagnostics ${CMAKE_CXX_FLAGS}")
-    set (CMAKE_C_FLAGS "-fcolor-diagnostics ${CMAKE_C_FLAGS}")
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics")
+    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
   endif ()
   if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-    set (CMAKE_CXX_FLAGS "-fdiagnostics-color ${CMAKE_CXX_FLAGS}")
-    set (CMAKE_C_FLAGS "-fdiagnostics-color ${CMAKE_C_FLAGS}")
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color")
+    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdiagnostics-color")
   endif ()
 endif ()
 
 
+## src/ executables
+foreach (prog main test test-would-substitute test-size-params test-buffer-serialize hb-ot-tag)
+  set (prog_name ${prog})
+  if (${prog_name} STREQUAL "test")
+    # test can not be used as a valid executable name on cmake, lets special case it
+    set (prog_name test-test)
+  endif ()
+  add_executable(${prog_name} ${PROJECT_SOURCE_DIR}/src/${prog}.cc)
+  target_link_libraries(${prog_name} harfbuzz ${THIRD_PARTY_LIBS})
+endforeach ()
+set_target_properties(hb-ot-tag PROPERTIES COMPILE_FLAGS "-DMAIN")
+
+
 ## Tests
 if (UNIX OR MINGW)
   if (BUILD_SHARED_LIBS)

From e00743b47d25a2487b7f232a514a042e2962a089 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 29 Jan 2018 10:07:05 -0800
Subject: [PATCH 0904/1326] [test/text-rendering-tests] Update from upstream

---
 test/shaping/data/text-rendering-tests/DISABLED  |   7 +++++++
 .../data/text-rendering-tests/Makefile.sources   |   7 +++++++
 .../fonts/TestMORXEighteen.ttf                   | Bin 0 -> 3256 bytes
 .../fonts/TestMORXSeventeen.ttf                  | Bin 0 -> 1788 bytes
 .../fonts/TestMORXSixteen.ttf                    | Bin 0 -> 1812 bytes
 .../fonts/TestMORXTwenty.ttf                     | Bin 0 -> 3232 bytes
 .../fonts/TestMORXTwentyone.ttf                  | Bin 0 -> 3244 bytes
 .../fonts/TestMORXTwentytwo.ttf                  | Bin 0 -> 3256 bytes
 .../text-rendering-tests/tests/MORX-14.tests     |   1 +
 .../text-rendering-tests/tests/MORX-16.tests     |   1 +
 .../text-rendering-tests/tests/MORX-17.tests     |   1 +
 .../text-rendering-tests/tests/MORX-18.tests     |   4 ++++
 .../text-rendering-tests/tests/MORX-19.tests     |   2 ++
 .../text-rendering-tests/tests/MORX-20.tests     |   7 +++++++
 .../text-rendering-tests/tests/MORX-21.tests     |   1 +
 .../text-rendering-tests/tests/MORX-22.tests     |   1 +
 16 files changed, 32 insertions(+)
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXEighteen.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXSeventeen.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXSixteen.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTwenty.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTwentyone.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTwentytwo.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-16.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-17.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-18.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-19.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-20.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-21.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-22.tests

diff --git a/test/shaping/data/text-rendering-tests/DISABLED b/test/shaping/data/text-rendering-tests/DISABLED
index 45b8510a8..1439d43fa 100644
--- a/test/shaping/data/text-rendering-tests/DISABLED
+++ b/test/shaping/data/text-rendering-tests/DISABLED
@@ -16,6 +16,13 @@ tests/MORX-11.tests
 tests/MORX-12.tests
 tests/MORX-13.tests
 tests/MORX-14.tests
+tests/MORX-16.tests
+tests/MORX-17.tests
+tests/MORX-18.tests
+tests/MORX-19.tests
+tests/MORX-20.tests
+tests/MORX-21.tests
+tests/MORX-22.tests
 
 # Rounding differences
 tests/SHARAN-1.tests
diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index 311812c7a..c28487f8e 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -39,6 +39,13 @@ DISBALED_TESTS = \
 	tests/MORX-12.tests \
 	tests/MORX-13.tests \
 	tests/MORX-14.tests \
+	tests/MORX-16.tests \
+	tests/MORX-17.tests \
+	tests/MORX-18.tests \
+	tests/MORX-19.tests \
+	tests/MORX-20.tests \
+	tests/MORX-21.tests \
+	tests/MORX-22.tests \
 	tests/MORX-1.tests \
 	tests/MORX-2.tests \
 	tests/MORX-3.tests \
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HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentyone.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentyone.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..410168046b5d3d94abc519950c011f854ef9eda7
GIT binary patch
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HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentytwo.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentytwo.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..4459e8a777655e4d8de99d3f2da11ba8a17f23c3
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-14.tests b/test/shaping/data/text-rendering-tests/tests/MORX-14.tests
index bff742f39..136924765 100644
--- a/test/shaping/data/text-rendering-tests/tests/MORX-14.tests
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-14.tests
@@ -1 +1,2 @@
 ../fonts/TestMORXFourteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[B|C@626,0|D@1222,0|E@1896,0|A@2452,0]
+../fonts/TestMORXFourteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0042,U+0042,U+0043,U+0043,U+0043,U+0044,U+0044,U+0044,U+0042,U+0043,U+0044,U+0043,U+0045:[B|B@626,0|B@1252,0|C@1878,0|C@2474,0|C@3070,0|D@3666,0|D@4340,0|D@5014,0|B@5688,0|C@6314,0|D@6910,0|C@7584,0|E@8180,0|A@8736,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-16.tests b/test/shaping/data/text-rendering-tests/tests/MORX-16.tests
new file mode 100644
index 000000000..ce0d5b2fe
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-16.tests
@@ -0,0 +1 @@
+../fonts/TestMORXSixteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[B|C@626,0|D@1222,0|E@1896,0|A@2452,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-17.tests b/test/shaping/data/text-rendering-tests/tests/MORX-17.tests
new file mode 100644
index 000000000..6e1c94c43
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-17.tests
@@ -0,0 +1 @@
+../fonts/TestMORXSeventeen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042:[B|A@626,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-18.tests b/test/shaping/data/text-rendering-tests/tests/MORX-18.tests
new file mode 100644
index 000000000..b032a76fb
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-18.tests
@@ -0,0 +1,4 @@
+../fonts/TestMORXEighteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[A|B.alt@639,0|C@1639,0|D.alt1@2235,0|E@3235,0]
+../fonts/TestMORXEighteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0042,U+0042,U+0044,U+0045:[A|B@639,0|B@1265,0|B.alt@1891,0|D.alt1@2891,0|E@3891,0]
+../fonts/TestMORXEighteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0044,U+0045:[A|B.alt@639,0|D.alt1@1639,0|E@2639,0]
+../fonts/TestMORXEighteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0045:[A|B@639,0|E@1265,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-19.tests b/test/shaping/data/text-rendering-tests/tests/MORX-19.tests
new file mode 100644
index 000000000..e9b9dc446
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-19.tests
@@ -0,0 +1,2 @@
+../fonts/TestMORXEighteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0043,U+0044,U+0045:[A.alt|C@1000,0|D.alt1@1596,0|E@2596,0]
+../fonts/TestMORXEighteen.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0044:[D.alt]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-20.tests b/test/shaping/data/text-rendering-tests/tests/MORX-20.tests
new file mode 100644
index 000000000..8d04192be
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-20.tests
@@ -0,0 +1,7 @@
+../fonts/TestMORXTwenty.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[A|B@639,0|C.alt@1265,0|D@2265,0|E.alt1@2939,0]
+../fonts/TestMORXTwenty.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043:[A|B@639,0|C.alt@1265,0]
+../fonts/TestMORXTwenty.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0045:[A|B.alt@639,0|E.alt1@1639,0]
+../fonts/TestMORXTwenty.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0045:[A.alt|E.alt1@1000,0]
+../fonts/TestMORXTwenty.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0045,U+0045:[E|E@556,0]
+../fonts/TestMORXTwenty.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041:[A.alt]
+../fonts/TestMORXTwenty.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0045:[E]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-21.tests b/test/shaping/data/text-rendering-tests/tests/MORX-21.tests
new file mode 100644
index 000000000..a6087559e
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-21.tests
@@ -0,0 +1 @@
+../fonts/TestMORXTwentyone.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[A|B.alt@639,0|C@1639,0|D@2235,0|E@2909,0]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-22.tests b/test/shaping/data/text-rendering-tests/tests/MORX-22.tests
new file mode 100644
index 000000000..960874c17
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-22.tests
@@ -0,0 +1 @@
+../fonts/TestMORXTwentytwo.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041:[C]

From e89df6e1aee9cb6fe1268643ce19816808baf0c4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 30 Jan 2018 10:58:44 -0800
Subject: [PATCH 0905/1326] [aat] Limit number of DontAdvance transitions

Remove the faulty loop-detection logic. Use max-ops for breaking
out of infinite loops or heavy work.

https://twitter.com/behdadesfahbod/status/958065026262183936
---
 src/hb-aat-layout-common-private.hh | 33 ++---------------------------
 1 file changed, 2 insertions(+), 31 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index d62bafc5d..b5395bba5 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -615,13 +615,7 @@ struct StateTableDriver
 	      machine (machine_),
 	      buffer (buffer_),
 	      num_glyphs (face_->get_num_glyphs ()),
-	      last_zero (0),
-	      dont_advance_set (nullptr) {}
-
-  inline ~StateTableDriver (void)
-  {
-    hb_set_destroy (dont_advance_set);
-  }
+	      last_zero (0) {}
 
   template <typename context_t>
   inline void drive (context_t *c)
@@ -648,27 +642,7 @@ struct StateTableDriver
       if (unlikely (!c->transition (this, entry)))
         break;
 
-      if (entry->flags & context_t::DontAdvance)
-      {
-        if (!last_was_dont_advance)
-	{
-	  if (dont_advance_set)
-	    dont_advance_set->clear ();
-	  else
-	    dont_advance_set = hb_set_create ();
-	}
-
-	unsigned int key = info[buffer->idx].codepoint ^ (state << 16);
-	if (likely (!dont_advance_set->has (key)))
-	{
-	  dont_advance_set->add (key);
-	  last_was_dont_advance = true;
-	}
-	else
-	  last_was_dont_advance = false;
-      }
-      else
-        last_was_dont_advance = false;
+      last_was_dont_advance = (entry->flags & context_t::DontAdvance) && buffer->max_ops--;
 
       state = entry->newState;
 
@@ -692,9 +666,6 @@ struct StateTableDriver
   hb_buffer_t *buffer;
   unsigned int num_glyphs;
   unsigned int last_zero;
-
-  private:
-  hb_set_t *dont_advance_set; /* Infinite-loop detection */
 };
 
 

From 585b5760987e1ddd31e11fc55a2ce55ddb5b1663 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 30 Jan 2018 11:51:56 -0800
Subject: [PATCH 0906/1326] Fix distcheck

---
 test/shaping/data/in-house/Makefile.am             | 2 +-
 test/shaping/data/text-rendering-tests/Makefile.am | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/shaping/data/in-house/Makefile.am b/test/shaping/data/in-house/Makefile.am
index aab1652e8..8a2a07657 100644
--- a/test/shaping/data/in-house/Makefile.am
+++ b/test/shaping/data/in-house/Makefile.am
@@ -9,7 +9,7 @@ lib:
 EXTRA_DIST = \
 	COPYING \
 	fonts \
-	tests \
+	$(TESTS) \
 	$(NULL)
 
 TEST_EXTENSIONS = .tests
diff --git a/test/shaping/data/text-rendering-tests/Makefile.am b/test/shaping/data/text-rendering-tests/Makefile.am
index 788db1f6b..cad03580f 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.am
+++ b/test/shaping/data/text-rendering-tests/Makefile.am
@@ -15,7 +15,7 @@ EXTRA_DIST = \
 	update.sh \
 	extract-tests.py \
 	fonts \
-	tests \
+	$(TESTS) \
 	$(NULL)
 
 TEST_EXTENSIONS = .tests

From f0b700db394ccdff30ff83961a3e2ea9ff4ea472 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 30 Jan 2018 11:16:51 -0800
Subject: [PATCH 0907/1326] 1.7.5

---
 NEWS         | 9 +++++++++
 configure.ac | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 7434bcada..9015c4ad2 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+Overview of changes leading to 1.7.5
+Tuesday, January 30, 2018
+====================================
+
+- Separate Khmer shaper from Indic.
+- First stab at AAT morx. Not hooked up.
+- Misc bug fixes.
+
+
 Overview of changes leading to 1.7.4
 Wednesday, December 20, 2017
 ====================================
diff --git a/configure.ac b/configure.ac
index 54c5260e8..d799cab0a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.7.4],
+        [1.7.5],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

From 0c66043a924fd114017a862d2cacd70f64b92370 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Wed, 31 Jan 2018 20:24:27 +0700
Subject: [PATCH 0908/1326] [coretext] Fix memory leaks.

In `reference_table`, if the data is empty and we return early,
we still need to release the data object.

In `hb_coretext_shape`, there two edge cases where an early
return should release the attributed string.
---
 src/hb-coretext.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 440201769..905c9f76a 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -74,7 +74,10 @@ reference_table  (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
   const char *data = reinterpret_cast<const char*> (CFDataGetBytePtr (cf_data));
   const size_t length = CFDataGetLength (cf_data);
   if (!data || !length)
+  {
+    CFRelease (cf_data);
     return nullptr;
+  }
 
   return hb_blob_create (data, length, HB_MEMORY_MODE_READONLY,
 			 reinterpret_cast<void *> (const_cast<__CFData *> (cf_data)),
@@ -877,7 +880,10 @@ resize_and_retry:
 							    kCFStringEncodingUTF8,
 							    kCFAllocatorNull);
 	if (unlikely (!lang))
+        {
+	  CFRelease (attr_string);
 	  FAIL ("CFStringCreateWithCStringNoCopy failed");
+        }
 	CFAttributedStringSetAttribute (attr_string, CFRangeMake (0, chars_len),
 					kCTLanguageAttributeName, lang);
 	CFRelease (lang);
@@ -946,7 +952,10 @@ resize_and_retry:
 						    &kCFTypeDictionaryValueCallBacks);
       CFRelease (level_number);
       if (unlikely (!options))
+      {
+        CFRelease (attr_string);
         FAIL ("CFDictionaryCreate failed");
+      }
 
       CTTypesetterRef typesetter = CTTypesetterCreateWithAttributedStringAndOptions (attr_string, options);
       CFRelease (options);

From 148ca61075d821a09e42e2c75fbc9be47cfc6003 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Wed, 31 Jan 2018 22:24:51 +0700
Subject: [PATCH 0909/1326] [ot-layout] Fix nullptr dereference.

If the `calloc` for `gsub_accels` or `gpos_accels` fails, then the
unlikely branch afterwards can be taken, which frees up the
`hb_ot_layout_t`, but since those fields can now be `nullptr`, then
we don't want to dereference them.
---
 src/hb-ot-layout.cc | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 919ecbb4b..e93fc078b 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -195,10 +195,12 @@ _hb_ot_layout_create (hb_face_t *face)
 void
 _hb_ot_layout_destroy (hb_ot_layout_t *layout)
 {
-  for (unsigned int i = 0; i < layout->gsub_lookup_count; i++)
-    layout->gsub_accels[i].fini ();
-  for (unsigned int i = 0; i < layout->gpos_lookup_count; i++)
-    layout->gpos_accels[i].fini ();
+  if (layout->gsub_accels)
+    for (unsigned int i = 0; i < layout->gsub_lookup_count; i++)
+      layout->gsub_accels[i].fini ();
+  if (layout->gpos_accels)
+    for (unsigned int i = 0; i < layout->gpos_lookup_count; i++)
+      layout->gpos_accels[i].fini ();
 
   free (layout->gsub_accels);
   free (layout->gpos_accels);

From 90218fa93cf8b5d4b192be12d31aed92d271d09e Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Wed, 31 Jan 2018 20:44:45 +0700
Subject: [PATCH 0910/1326] Fix typos.

---
 src/hb-blob.cc                     | 2 +-
 src/hb-buffer-private.hh           | 2 +-
 src/hb-common.cc                   | 2 +-
 src/hb-coretext.cc                 | 2 +-
 src/hb-directwrite.cc              | 2 +-
 src/hb-ft.cc                       | 2 +-
 src/hb-graphite2.cc                | 2 +-
 src/hb-ot-layout-common-private.hh | 2 +-
 8 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index 4cf6d1e54..804601258 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -222,7 +222,7 @@ hb_blob_reference (hb_blob_t *blob)
  * hb_blob_destroy: (skip)
  * @blob: a blob.
  *
- * Descreases the reference count on @blob, and if it reaches zero, destroys
+ * Decreases the reference count on @blob, and if it reaches zero, destroys
  * @blob, freeing all memory, possibly calling the destroy-callback the blob
  * was created for if it has not been called already.
  *
diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 9148ef31b..a72376de5 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -93,7 +93,7 @@ struct hb_buffer_t {
   hb_buffer_flags_t flags; /* BOT / EOT / etc. */
   hb_buffer_cluster_level_t cluster_level;
   hb_codepoint_t replacement; /* U+FFFD or something else. */
-  hb_buffer_scratch_flags_t scratch_flags; /* Have space-flallback, etc. */
+  hb_buffer_scratch_flags_t scratch_flags; /* Have space-fallback, etc. */
   unsigned int max_len; /* Maximum allowed len. */
   int max_ops; /* Maximum allowed operations. */
 
diff --git a/src/hb-common.cc b/src/hb-common.cc
index 1d0e72642..d1fcf799a 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -879,7 +879,7 @@ parse_feature_value_postfix (const char **pp, const char *end, hb_feature_t *fea
                    parse_bool (pp, end, &feature->value);
   /* CSS doesn't use equal-sign between tag and value.
    * If there was an equal-sign, then there *must* be a value.
-   * A value without an eqaul-sign is ok, but not required. */
+   * A value without an equal-sign is ok, but not required. */
   return !had_equal || had_value;
 }
 
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 905c9f76a..255f20530 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -1218,7 +1218,7 @@ resize_and_retry:
     }
 
     /* Mac OS 10.6 doesn't have kCTTypesetterOptionForcedEmbeddingLevel,
-     * or if it does, it doesn't resepct it.  So we get runs with wrong
+     * or if it does, it doesn't respect it.  So we get runs with wrong
      * directions.  As such, disable the assert...  It wouldn't crash, but
      * cursoring will be off...
      *
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 0674ef9bc..5429255ad 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -370,7 +370,7 @@ public:
   {
     if (textPosition == 0 || textPosition > mTextLength) {
       // Either there is no text before here (== 0), or this
-      // is an invalid position. The query is considered valid thouh.
+      // is an invalid position. The query is considered valid though.
       *textString = nullptr;
       *textLength = 0;
     }
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 1c526cf37..fc4b11220 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -58,7 +58,7 @@
  *
  *   - In the future, we should add constructors to create fonts in font space?
  *
- *   - FT_Load_Glyph() is exteremely costly.  Do something about it?
+ *   - FT_Load_Glyph() is extremely costly.  Do something about it?
  */
 
 
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 62aaae9e8..3b55b475b 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -80,7 +80,7 @@ static const void *hb_graphite2_get_table (const void *data, unsigned int tag, s
     p->tag = tag;
 
     /* TODO Not thread-safe, but fairly harmless.
-     * We can do the double-chcked pointer cmpexch thing here. */
+     * We can do the double-checked pointer cmpexch thing here. */
     p->next = face_data->tlist;
     face_data->tlist = p;
   }
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 31c436a09..8bf69a37f 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -299,7 +299,7 @@ struct FeatureParamsSize
      * better.
      *
      * Assume that the offset to the size feature is according to specification,
-     * and make the following value checks. If it fails, assume the the size
+     * and make the following value checks. If it fails, assume the size
      * feature is calculated as versions of MakeOTF before the AFDKO 2.0 built it.
      * If this fails, reject the 'size' feature. The older makeOTF's calculated the
      * offset from the beginning of the FeatureList table, rather than from the

From dae20fb5a79caad9a4af14137a961b60fe256235 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Wed, 31 Jan 2018 20:16:08 +0700
Subject: [PATCH 0911/1326] Use nullptr instead of 0.

---
 src/hb-coretext.cc           | 4 ++--
 src/test-buffer-serialize.cc | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 255f20530..752dea8a5 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -314,7 +314,7 @@ _hb_coretext_shaper_font_data_destroy (hb_coretext_shaper_font_data_t *data)
 hb_font_t *
 hb_coretext_font_create (CTFontRef ct_font)
 {
-  CGFontRef cg_font = CTFontCopyGraphicsFont (ct_font, 0);
+  CGFontRef cg_font = CTFontCopyGraphicsFont (ct_font, nullptr);
   hb_face_t *face = hb_coretext_face_create (cg_font);
   CFRelease (cg_font);
   hb_font_t *font = hb_font_create (face);
@@ -1045,7 +1045,7 @@ resize_and_retry:
 	  }
 	if (!matched)
 	{
-	  CGFontRef run_cg_font = CTFontCopyGraphicsFont (run_ct_font, 0);
+	  CGFontRef run_cg_font = CTFontCopyGraphicsFont (run_ct_font, nullptr);
 	  if (run_cg_font)
 	  {
 	    matched = CFEqual (run_cg_font, cg_font);
diff --git a/src/test-buffer-serialize.cc b/src/test-buffer-serialize.cc
index 4b429eab3..636b00375 100644
--- a/src/test-buffer-serialize.cc
+++ b/src/test-buffer-serialize.cc
@@ -101,7 +101,7 @@ main (int argc, char **argv)
 
   bool ret = true;
   char line[BUFSIZ], out[BUFSIZ];
-  while (fgets (line, sizeof(line), stdin) != 0)
+  while (fgets (line, sizeof(line), stdin) != nullptr)
   {
     hb_buffer_clear_contents (buf);
 

From c6dbf6e77cae30772ffa110c651cb4287ab3b0dc Mon Sep 17 00:00:00 2001
From: punchcutter <zarijoscha@gmail.com>
Date: Wed, 31 Jan 2018 14:09:04 -0800
Subject: [PATCH 0912/1326] Allow optional ZWJ in virama terminated cluster

---
 src/hb-ot-shape-complex-use-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-use-machine.rl b/src/hb-ot-shape-complex-use-machine.rl
index 89b776390..11fb47020 100644
--- a/src/hb-ot-shape-complex-use-machine.rl
+++ b/src/hb-ot-shape-complex-use-machine.rl
@@ -100,7 +100,7 @@ final_consonants = FAbv* FBlw* FPst* FM?;
 virama_terminated_cluster =
 	(R|CS)? (B | GB) VS?
 	consonant_modifiers
-	H
+	ZWJ?.H.ZWJ?
 ;
 standard_cluster =
 	(R|CS)? (B | GB) VS?

From ccb0367dae4cbb9c8215dbf20ac7f9acfba2fa14 Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Fri, 2 Feb 2018 12:04:04 -0500
Subject: [PATCH 0913/1326] Let VS1 follow U+1031 MYANMAR VOWEL SIGN E

---
 src/hb-ot-shape-complex-myanmar-machine.rl       |   2 +-
 src/hb-ot-shape-complex-myanmar.cc               |   5 +++++
 test/shaping/README.md                           |  10 +++++-----
 test/shaping/data/in-house/Makefile.sources      |   1 +
 .../af3086380b743099c54a3b11b96766039ea62fcd.ttf | Bin 0 -> 1536 bytes
 .../data/in-house/tests/myanmar-syllable.tests   |   1 +
 6 files changed, 13 insertions(+), 6 deletions(-)
 create mode 100644 test/shaping/data/in-house/fonts/af3086380b743099c54a3b11b96766039ea62fcd.ttf
 create mode 100644 test/shaping/data/in-house/tests/myanmar-syllable.tests

diff --git a/src/hb-ot-shape-complex-myanmar-machine.rl b/src/hb-ot-shape-complex-myanmar-machine.rl
index 45733ac73..0cd84fa1b 100644
--- a/src/hb-ot-shape-complex-myanmar-machine.rl
+++ b/src/hb-ot-shape-complex-myanmar-machine.rl
@@ -70,7 +70,7 @@ k = (Ra As H);			# Kinzi
 c = C|Ra;			# is_consonant
 
 medial_group = MY? MR? MW? MH? As?;
-main_vowel_group = VPre* VAbv* VBlw* A* (DB As?)?;
+main_vowel_group = (VPre.VS?)* VAbv* VBlw* A* (DB As?)?;
 post_vowel_group = VPst MH? As* VAbv* A* (DB As?)?;
 pwo_tone_group = PT A* DB? As?;
 
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 5ea1dbff2..31bb976b1 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -374,6 +374,11 @@ initial_reordering_consonant_syllable (hb_buffer_t *buffer,
       {
 	continue;
       }
+      if (info[i].myanmar_category() == OT_VS)
+      {
+	info[i].myanmar_position() = info[i - 1].myanmar_position();
+	continue;
+      }
 
       if (pos == POS_AFTER_MAIN && info[i].myanmar_category() == OT_VBlw)
       {
diff --git a/test/shaping/README.md b/test/shaping/README.md
index 4c9a1e5dd..99498e60c 100644
--- a/test/shaping/README.md
+++ b/test/shaping/README.md
@@ -31,11 +31,11 @@ what this does is:
 $ ./hb-unicode-encode 41 42 43 627 | ./record-test.sh -o=data/in-house/tests/test-name.test ../../util/hb-shape font.ttf
 ```
 
-If you created a new test file, add it to `Makefile.am` so it is run.
-Check that `make check` does indeed run it, and that the test passes.
-When everything looks good, `git add` the new font as well as new
-test file if you created any.  You can see what new files are there
-by running `git status data/in-house`.  And commit!
+If you created a new test file, add it to `data/in-house/Makefile.sources`
+so it is run.  Check that `make check` does indeed run it, and that the
+test passes.  When everything looks good, `git add` the new font as well
+as the new test file if you created any.  You can see what new files are
+there by running `git status data/in-house`.  And commit!
 
 *Note!*  Please only add tests using Open Source fonts, preferably under
 OFL or similar license.
diff --git a/test/shaping/data/in-house/Makefile.sources b/test/shaping/data/in-house/Makefile.sources
index 247133d4c..1922fd4cd 100644
--- a/test/shaping/data/in-house/Makefile.sources
+++ b/test/shaping/data/in-house/Makefile.sources
@@ -29,6 +29,7 @@ TESTS = \
 	tests/mark-attachment.tests \
 	tests/mark-filtering-sets.tests \
 	tests/mongolian-variation-selector.tests \
+	tests/myanmar-syllable.tests \
 	tests/spaces.tests \
 	tests/simple.tests \
 	tests/tibetan-contractions-1.tests \
diff --git a/test/shaping/data/in-house/fonts/af3086380b743099c54a3b11b96766039ea62fcd.ttf b/test/shaping/data/in-house/fonts/af3086380b743099c54a3b11b96766039ea62fcd.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..5945b16a6ac352630279e40643b8991873a7e2b2
GIT binary patch
literal 1536
zcmZ`(Z)_7~7=P}rx1H_0Rau3^b?cUqU;?4-GMEejx32rLxVe7}(8zV`+J^SpwYSmL
zr7j9A^73JZ#7)y_aIh3L`-7-aw*X)C3lWzXGYKYqFmpsACW?33x%#}<f|%gjJb!-A
z+voi~&vWlxOGifw6u}5^u&=@Gw(S{MeH{S41z;mhu0}U(ghv7R5{#8LwYIdo2Ac;E
z+Y#HE+B@rAg*DG1ZbdxT(!Sk!>Tq8H0Jnhna8F2ztW5nh3Sj6)obr36UU6&8g!?YU
zJNy_hIJganClFWpLrUEA7MwsljJPx;#UoHikA|x#1+o<Ka#oXo=anMf6$!_b><Mrp
z{vELm0RLMEz<_}ThGB$GIiPrB3iT_sV$doWt&-I$Ic<|+O*{H$`(H)8>MTC3%|5Q~
zcnk#0D1O4arMlzLfE;kx9WLEeJJ2|58XC~J8}0V|-hH>)LEVOMWGEW&`4!uio~LY1
zyQ6li%_R*6dTkBisK=`)o%vd@m{A@Iu|OPoIr!ld_>3uHe4mR8KdWBLjjxxMmv25>
zx2taNp1t+gZ<Mu+T5LvfTy=kAsW7TzGnT#&yQVwI^Q24h_C?b#&y#sVlgI^fG5)?R
zd_2#4XZN3JBSJ>l=E(3F{?>L?C|@Q^pU!<Hh(D;mYLcbWn1PR|Huj)aN7l?}uBl(5
zUK5X_*6bOepg9lN`#b8v3iLBYv#7<j1LDFLs@0ON`@U_32&!;vMdej~+e$_#x07eu
z<=xR_qMyh_PW7Kn3fE3r&W%q_lk?<*qtoH>sfERvD@3^0Zux%FJ=eb|h~rxQZ~xoo
zBzb3a^4O~*$A`(V;7`jlGwJk989DRHyNNe_=U+^9KfLkGm>=gSYQL0d2P~&I0LL&-
z)->gY^I+Mzp_Q4=rROFukSTKZ*n7!PxHs-43Q<lEjti#5L^73{m`J6P6NyAJnJ6>i
zqokJ(4!v=?@}=V4cUcp+iV^s3(_LP-Z$G{G_hj}qdx?u9#`~LF4BlGi52#|6po-lH
z^c|zPfMR+c7th{?gWM|S?qo0NEcr~`6oP@d!i)iOuqRpi#+}Mp<|a587Nfv(4<^`<
z+Mowo`x<-Uve~*0oGn|69C4kU_JNDN2sZrT2`FWFO&P-@$Sxwz`7HV(bb<^4P{0c@
z)NN>eFaSZ2AWBcssVILHiV@`nnyq6lj}1_(?+M7mnyqHX=Bw+F%>w-E-}&**()FFJ
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z&qIOk({4&}E{x0F+;MNDv}%3PTq8sv38KF5@kq)M@OZqk54G%bg2xw?Wbho3d(lTN
zfhQ;_7zqu9oX{1M2BP4J4F$tgM|;4dNTDF=P!Rv0dw|GBdFW!I!GKS{Q#3*=rH`1w
Y2!l1USWAf><<X~I81ycvNBd&`0iu|Xr~m)}

literal 0
HcmV?d00001

diff --git a/test/shaping/data/in-house/tests/myanmar-syllable.tests b/test/shaping/data/in-house/tests/myanmar-syllable.tests
new file mode 100644
index 000000000..4666ef99d
--- /dev/null
+++ b/test/shaping/data/in-house/tests/myanmar-syllable.tests
@@ -0,0 +1 @@
+../fonts/af3086380b743099c54a3b11b96766039ea62fcd.ttf:--no-glyph-names:U+101D,U+FE00,U+1031,U+FE00,U+1031,U+FE00:[6=0+465|6=0+465|5=0+502]

From 07885e65adf1d3cb324de99501f9867f1a2553f8 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sat, 3 Feb 2018 12:53:48 +0330
Subject: [PATCH 0914/1326] [cmake] unistd typo fix (#747)

---
 CMakeLists.txt | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3a5936669..9e067edf8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,6 +91,7 @@ add_definitions(-DHAVE_OT)
 add_definitions(-DHAVE_FALLBACK)
 
 
+## Functions and headers
 include (CheckFunctionExists)
 include (CheckIncludeFile)
 macro (check_funcs) # Similar to AC_CHECK_FUNCS of autotools
@@ -102,16 +103,15 @@ macro (check_funcs) # Similar to AC_CHECK_FUNCS of autotools
     endif ()
   endforeach ()
 endmacro ()
-check_funcs(atexit mprotect sysconf mmap strtod_l) #TODO: getpagesize newlocale isatty
-
-check_include_file(unistd.h HAVE_UNIST_H)
-if (${HAVE_UNIST_H})
-  add_definitions(-DHAVE_UNIST_H)
+check_funcs(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l)
+check_include_file(unistd.h HAVE_UNISTD_H)
+if (${HAVE_UNISTD_H})
+  add_definitions(-DHAVE_UNISTD_H)
+endif ()
+check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
+if (${HAVE_SYS_MMAN_H})
+  add_definitions(-DHAVE_SYS_MMAN_H)
 endif ()
-#check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
-#if (${HAVE_SYS_MMAN_H})
-#  add_definitions(-DHAVE_SYS_MMAN_H)
-#endif ()
 check_include_file(xlocale.h HAVE_XLOCALE_H)
 if (${HAVE_XLOCALE_H})
   add_definitions(-DHAVE_XLOCALE_H)

From a89573770b4c0f9c444ad6499bec5dc022087a97 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Sun, 4 Feb 2018 01:31:53 +0700
Subject: [PATCH 0915/1326] Use nullptr, not NULL.

---
 src/hb-aat-layout-common-private.hh | 2 +-
 src/hb-buffer-deserialize-json.rl   | 4 ++--
 src/hb-buffer-deserialize-text.rl   | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index b5395bba5..1ea8318fb 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -120,7 +120,7 @@ struct BinSearchArrayOf
       else
 	return p;
     }
-    return NULL;
+    return nullptr;
   }
 
   private:
diff --git a/src/hb-buffer-deserialize-json.rl b/src/hb-buffer-deserialize-json.rl
index 91b350f5a..0f7d48ee2 100644
--- a/src/hb-buffer-deserialize-json.rl
+++ b/src/hb-buffer-deserialize-json.rl
@@ -106,7 +106,7 @@ _hb_buffer_deserialize_glyphs_json (hb_buffer_t *buffer,
   const char *p = buf, *pe = buf + buf_len;
 
   /* Ensure we have positions. */
-  (void) hb_buffer_get_glyph_positions (buffer, NULL);
+  (void) hb_buffer_get_glyph_positions (buffer, nullptr);
 
   while (p < pe && ISSPACE (*p))
     p++;
@@ -115,7 +115,7 @@ _hb_buffer_deserialize_glyphs_json (hb_buffer_t *buffer,
     *end_ptr = ++p;
   }
 
-  const char *tok = NULL;
+  const char *tok = nullptr;
   int cs;
   hb_glyph_info_t info = {0};
   hb_glyph_position_t pos = {0};
diff --git a/src/hb-buffer-deserialize-text.rl b/src/hb-buffer-deserialize-text.rl
index 8a682f737..fd9be42df 100644
--- a/src/hb-buffer-deserialize-text.rl
+++ b/src/hb-buffer-deserialize-text.rl
@@ -100,7 +100,7 @@ _hb_buffer_deserialize_glyphs_text (hb_buffer_t *buffer,
   const char *p = buf, *pe = buf + buf_len;
 
   /* Ensure we have positions. */
-  (void) hb_buffer_get_glyph_positions (buffer, NULL);
+  (void) hb_buffer_get_glyph_positions (buffer, nullptr);
 
   while (p < pe && ISSPACE (*p))
     p++;
@@ -109,7 +109,7 @@ _hb_buffer_deserialize_glyphs_text (hb_buffer_t *buffer,
     *end_ptr = ++p;
   }
 
-  const char *eof = pe, *tok = NULL;
+  const char *eof = pe, *tok = nullptr;
   int cs;
   hb_glyph_info_t info = {0};
   hb_glyph_position_t pos = {0};

From e8859fca3eafb5aab6d029563b31219ccca0d673 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Sun, 4 Feb 2018 01:26:57 +0700
Subject: [PATCH 0916/1326] Enable use of atexit() on macOS and related
 platforms.

The atexit() man page indicates that this is expected to behave
in the expected way on unloading of shared libraries.
---
 src/hb-private.hh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 62c9fb278..eba797cfc 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -221,6 +221,12 @@ static int errno = 0; /* Use something better? */
  * https://developer.android.com/tools/sdk/ndk/index.html
  */
 #    define HB_USE_ATEXIT 1
+#  elif defined(__APPLE__)
+/* For macOS and related platforms, the atexit man page indicates
+ * that it will be invoked when the library is unloaded, not only
+ * at application exit.
+ */
+#    define HB_USE_ATEXIT 1
 #  endif
 #endif
 

From cf943f682bcdd73e3ad1f6108c1a1870b991d5e4 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Sun, 4 Feb 2018 12:05:12 +0200
Subject: [PATCH 0917/1326] Correctly show documentation build status

Correctly show if building documentation is enabled or not in configure
summary.

Fixes https://github.com/harfbuzz/harfbuzz/issues/741
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index d799cab0a..c2257eeca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -531,7 +531,7 @@ Platform shapers (not normally needed):
 	DirectWrite:		${have_directwrite}
 
 Other features:
-	Documentation:		${have_gtk_doc}
+	Documentation:		${enable_gtk_doc}
 	GObject bindings:	${have_gobject}
 	Introspection:		${have_introspection}
 ])

From fe5f9b1ae318939eaa23d0175a5eb7e1739177ac Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Feb 2018 15:53:25 -0500
Subject: [PATCH 0918/1326] [aat] Fix ContextualSubtable sanitization

Fixes MORX-18, MORX-19, and MORX-22.
---
 src/hb-aat-layout-morx-table.hh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index c64dca066..7a45a24e5 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -275,8 +275,10 @@ struct ContextualSubtable
     {
       const EntryData &data = entries[i].data;
 
-      num_lookups = MAX<unsigned int> (num_lookups, 1 + data.markIndex);
-      num_lookups = MAX<unsigned int> (num_lookups, 1 + data.currentIndex);
+      if (data.markIndex != 0xFFFF)
+	num_lookups = MAX<unsigned int> (num_lookups, 1 + data.markIndex);
+      if (data.currentIndex != 0xFFFF)
+	num_lookups = MAX<unsigned int> (num_lookups, 1 + data.currentIndex);
     }
 
     return_trace (substitutionTables.sanitize (c, this, num_lookups));

From aed32589af6d5fce3e68fe41865e258ea7eb2413 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 2 Feb 2018 16:08:50 -0500
Subject: [PATCH 0919/1326] [aat] In ContextualSubtable, mark mark after
 substituting mark

Fixes MORX-21.
---
 src/hb-aat-layout-morx-table.hh | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 7a45a24e5..ffe4d03ae 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -207,13 +207,7 @@ struct ContextualSubtable
     {
       hb_buffer_t *buffer = driver->buffer;
 
-      if (entry->flags & SetMark)
-      {
-	mark = buffer->idx;
-	last_zero_before_mark = driver->last_zero;
-      }
-
-      if (entry->data.markIndex != 0xFFFF)
+      if (entry->data.markIndex != 0xFFFF && mark < buffer->len)
       {
 	const Lookup<GlyphID> &lookup = subs[entry->data.markIndex];
 	hb_glyph_info_t *info = buffer->info;
@@ -225,7 +219,7 @@ struct ContextualSubtable
 	  ret = true;
 	}
       }
-      if (entry->data.currentIndex != 0xFFFF)
+      if (entry->data.currentIndex != 0xFFFF && buffer->idx < buffer->len)
       {
 	const Lookup<GlyphID> &lookup = subs[entry->data.currentIndex];
 	hb_glyph_info_t *info = buffer->info;
@@ -238,6 +232,12 @@ struct ContextualSubtable
 	}
       }
 
+      if (entry->flags & SetMark)
+      {
+	mark = buffer->idx;
+	last_zero_before_mark = driver->last_zero;
+      }
+
       return true;
     }
 

From fcb8be1a385cb4432dc6064fba77939716d27a02 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 12:38:18 -0500
Subject: [PATCH 0920/1326] [configure] Fix wording

Fixes https://github.com/harfbuzz/harfbuzz/issues/741
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index c2257eeca..dec994ebd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -515,14 +515,14 @@ Unicode callbacks (you want at least one):
 	Glib:			${have_glib}
 	ICU:			${have_icu}
 
-Font callbacks (the more the better):
+Font callbacks (the more the merrier):
 	FreeType:		${have_freetype}
 
 Tools used for command-line utilities:
 	Cairo:			${have_cairo}
 	Fontconfig:		${have_fontconfig}
 
-Additional shapers (the more the better):
+Additional shapers (the more the merrier):
 	Graphite2:		${have_graphite2}
 
 Platform shapers (not normally needed):

From c0b1c7eb2eed67147adec3d2c9e02d01f279c8f4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 14:19:41 -0500
Subject: [PATCH 0921/1326] [aat] Remove unneeded check

---
 src/hb-aat-layout-morx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index ffe4d03ae..68c32c43b 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -207,7 +207,7 @@ struct ContextualSubtable
     {
       hb_buffer_t *buffer = driver->buffer;
 
-      if (entry->data.markIndex != 0xFFFF && mark < buffer->len)
+      if (entry->data.markIndex != 0xFFFF)
       {
 	const Lookup<GlyphID> &lookup = subs[entry->data.markIndex];
 	hb_glyph_info_t *info = buffer->info;

From 8be596f0b76543e19644c0b77c1bcf4d9e783c2b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 14:40:17 -0500
Subject: [PATCH 0922/1326] [aat] In ContextualSubstitute, apply end-of-text
 action to last glyph

---
 src/hb-aat-layout-morx-table.hh | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 68c32c43b..ba9729c55 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -219,15 +219,16 @@ struct ContextualSubtable
 	  ret = true;
 	}
       }
-      if (entry->data.currentIndex != 0xFFFF && buffer->idx < buffer->len)
+      if (entry->data.currentIndex != 0xFFFF)
       {
+        unsigned int idx = MIN (buffer->idx, buffer->len - 1);
 	const Lookup<GlyphID> &lookup = subs[entry->data.currentIndex];
 	hb_glyph_info_t *info = buffer->info;
-	const GlyphID *replacement = lookup.get_value (info[buffer->idx].codepoint, driver->num_glyphs);
+	const GlyphID *replacement = lookup.get_value (info[idx].codepoint, driver->num_glyphs);
 	if (replacement)
 	{
-	  buffer->unsafe_to_break (driver->last_zero, MIN (buffer->idx + 1, buffer->len));
-	  info[buffer->idx].codepoint = *replacement;
+	  buffer->unsafe_to_break (driver->last_zero, idx + 1);
+	  info[idx].codepoint = *replacement;
 	  ret = true;
 	}
       }

From 89b1906d990658c763f35113c8978a5e21bffc22 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 14:45:02 -0500
Subject: [PATCH 0923/1326] [aat] More adjustment to ContextualSubtable

See comment.

With this, MORX-20 passes if I turn --verify off.  Our unsafe-to-break
logic is currently broken in presence of end-of-text actions.  That's,
ugh, extra work to fix.  Let me try...
---
 src/hb-aat-layout-morx-table.hh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index ba9729c55..1f8ac4064 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -198,6 +198,7 @@ struct ContextualSubtable
 
     inline driver_context_t (const ContextualSubtable *table) :
 	ret (false),
+	mark_set (false),
 	mark (0),
 	last_zero_before_mark (0),
 	subs (table+table->substitutionTables) {}
@@ -207,6 +208,11 @@ struct ContextualSubtable
     {
       hb_buffer_t *buffer = driver->buffer;
 
+      /* Looks like CoreText applies neither mark nor current substitution for
+       * end-of-text if mark was not explicitly set. */
+      if (buffer->idx == buffer->len && !mark_set)
+        return true;
+
       if (entry->data.markIndex != 0xFFFF)
       {
 	const Lookup<GlyphID> &lookup = subs[entry->data.markIndex];
@@ -235,6 +241,7 @@ struct ContextualSubtable
 
       if (entry->flags & SetMark)
       {
+	mark_set = true;
 	mark = buffer->idx;
 	last_zero_before_mark = driver->last_zero;
       }
@@ -245,6 +252,7 @@ struct ContextualSubtable
     public:
     bool ret;
     private:
+    bool mark_set;
     unsigned int mark;
     unsigned int last_zero_before_mark;
     const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32> &subs;

From 9ccb8366f603a9e4a7a3c3f96420a19d4f6fb390 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 17 Jan 2018 22:09:07 -0800
Subject: [PATCH 0924/1326] Start to sketch APIs for subsetting

---
 src/Makefile.am       |  2 +
 src/Makefile.sources  |  4 ++
 src/hb-subset.cc      |  0
 src/hb-subset.h       | 88 +++++++++++++++++++++++++++++++++++++++++++
 util/Makefile.am      |  3 ++
 util/Makefile.sources |  4 ++
 util/hb-subset.cc     | 61 ++++++++++++++++++++++++++++++
 7 files changed, 162 insertions(+)
 create mode 100644 src/hb-subset.cc
 create mode 100644 src/hb-subset.h
 create mode 100644 util/hb-subset.cc

diff --git a/src/Makefile.am b/src/Makefile.am
index 833d1f956..dd1c7ae66 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,7 +27,9 @@ HBNONPCLIBS =
 HBDEPS =
 HBSOURCES =  $(HB_BASE_sources)
 HBSOURCES += $(HB_BASE_RAGEL_GENERATED_sources)
+HBSOURCES += $(HB_SUBSET_sources)
 HBHEADERS = $(HB_BASE_headers)
+HBHEADERS += $(HB_SUBSET_headers)
 HBNODISTHEADERS = $(HB_NODIST_headers)
 
 if HAVE_OT
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 213aa22f6..f223fcfee 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -181,6 +181,10 @@ HB_UCDN_sources  = hb-ucdn.cc
 HB_ICU_sources = hb-icu.cc
 HB_ICU_headers = hb-icu.h
 
+# Sources for libharfbuzz-subset
+HB_SUBSET_sources = hb-subset.cc
+HB_SUBSET_headers = hb-subset.h
+
 HB_GOBJECT_sources = hb-gobject-structs.cc
 HB_GOBJECT_STRUCTS_headers = hb-gobject-structs.h
 HB_GOBJECT_headers = hb-gobject.h $(HB_GOBJECT_STRUCTS_headers)
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
new file mode 100644
index 000000000..e69de29bb
diff --git a/src/hb-subset.h b/src/hb-subset.h
new file mode 100644
index 000000000..8aaccd6e5
--- /dev/null
+++ b/src/hb-subset.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright © 2018  Google
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Rod Sheeter
+ */
+
+#ifndef HB_H_IN
+#error "Include <hb.h> instead."
+#endif
+
+#ifndef HB_SUBSET_H
+#define HB_SUBSET_H
+
+#include "hb-common.h"
+#include "hb-face.h"
+
+HB_BEGIN_DECLS
+
+/*
+ * hb_subset_profile_t
+ * Things that change based on target environment, e.g. OS
+ */
+
+typedef struct hb_subset_profile_t hb_subset_profile_t;
+
+HB_EXTERN hb_subset_profile_t *
+hb_subset_profile_create();
+
+HB_EXTERN void
+hb_subset_profile_destroy(hb_subset_profile_t *profile);
+
+/*
+ * hb_subset_input_t
+ * Things that change based on the input. Characters to keep, etc.
+ */
+
+typedef struct hb_subset_input_t hb_subset_input_t;
+
+HB_EXTERN hb_subset_input_t *
+hb_subset_input_create();
+
+HB_EXTERN void
+hb_subset_input_destroy(hb_subset_input_t *subset_input);
+
+/*
+ * hb_subset_face_t
+ * Reusable subset-ready plan for a given face. Threadsafe for multiple
+ * concurrent subset operations.
+ */
+
+typedef struct hb_subset_face_t hb_subset_face_t;
+
+HB_EXTERN hb_subset_face_t *
+hb_subset_face_create(hb_face_t *face);
+
+HB_EXTERN void
+hb_subset_face_destroy(hb_subset_face_t *face);
+
+
+HB_EXTERN hb_bool_t
+hb_subset(hb_subset_profile_t *profile,
+          hb_subset_input_t *input,
+          hb_subset_face_t *face
+          hb_blob_t *result /* OUT */);
+
+HB_END_DECLS
+
+#endif /* HB_SUBSET_H */
diff --git a/util/Makefile.am b/util/Makefile.am
index e6620a237..283dd91ff 100644
--- a/util/Makefile.am
+++ b/util/Makefile.am
@@ -46,6 +46,9 @@ endif # HAVE_FREETYPE
 hb_shape_SOURCES = $(HB_SHAPE_sources)
 bin_PROGRAMS += hb-shape
 
+hb_subset_SOURCES = $(HB_SUBSET_sources)
+bin_PROGRAMS += hb-subset
+
 if HAVE_OT
 hb_ot_shape_closure_SOURCES = $(HB_OT_SHAPE_CLOSURE_sources)
 bin_PROGRAMS += hb-ot-shape-closure
diff --git a/util/Makefile.sources b/util/Makefile.sources
index d6c00cc4d..94a5fa8a2 100644
--- a/util/Makefile.sources
+++ b/util/Makefile.sources
@@ -28,3 +28,7 @@ HB_OT_SHAPE_CLOSURE_sources = \
 	options.hh \
 	main-font-text.hh \
 	$(NULL)
+
+HB_SUBSET_sources = \
+	hb-subset.cc \
+	$(NULL)
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
new file mode 100644
index 000000000..ad7ceb14b
--- /dev/null
+++ b/util/hb-subset.cc
@@ -0,0 +1,61 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "hb-private.hh"
+#include "hb-blob.h"
+
+int
+main (int argc, char **argv)
+{
+  int exit_code = 0;
+  int fd = open("/tmp/Lobster-Regular.ttf", O_RDONLY);
+  if (fd == -1) {
+    perror("Unable to open file");
+    exit(1);
+  }
+
+  void *mapped_file = MAP_FAILED;
+  char *raw_font = nullptr;
+
+  struct stat stat;
+  if (fstat(fd, &stat) != -1) {
+    printf("File is %zu bytes\n", stat.st_size);
+
+    void *mapped_file = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+    if (mapped_file != MAP_FAILED) {
+      raw_font = static_cast<char*>(mapped_file);
+    } else {
+      perror("Failed to map file");
+    }
+  } else {
+    perror("Unable to fstat");
+  }
+
+  if (raw_font) {
+      printf("Mapped file\n");      
+      for (int i = 0; i < 4; i++) {
+        printf("%02x", *(raw_font + i));
+      }
+      printf("\n");
+
+      hb_blob_t *font_blob = hb_blob_create(raw_font, stat.st_size, HB_MEMORY_MODE_READONLY, nullptr, nullptr);
+  }
+
+  if (mapped_file != MAP_FAILED) {
+    if (munmap(mapped_file, stat.st_size) == -1) {
+      perror("Unable to unmap file");
+      exit_code = 1;
+    }
+  }
+
+  if (close(fd) == -1) {
+    perror("Unable to close file");
+    exit_code = 1;
+  }
+  return exit_code;
+}

From 4cdae914e2e2fff1ff91e2f42648a8acb82a5494 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 26 Jan 2018 13:57:48 -0800
Subject: [PATCH 0925/1326] Add basic directory structure for subsetter
 integration tests. Plus a utility for generating expected output files.

---
 .../basics/Roboto-Regular.abc.default.62.ttf  | Bin 0 -> 1996 bytes
 test/subset/data/fonts/Roboto-Regular.abc.ttf | Bin 0 -> 2460 bytes
 test/subset/data/profiles/default.txt         |   0
 test/subset/data/tests/basics.txt             |   8 ++
 test/subset/generate-expected-outputs.py      |  40 +++++++++
 test/subset/subset_test_suite.py              |  82 ++++++++++++++++++
 6 files changed, 130 insertions(+)
 create mode 100644 test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf
 create mode 100644 test/subset/data/fonts/Roboto-Regular.abc.ttf
 create mode 100644 test/subset/data/profiles/default.txt
 create mode 100644 test/subset/data/tests/basics.txt
 create mode 100755 test/subset/generate-expected-outputs.py
 create mode 100644 test/subset/subset_test_suite.py

diff --git a/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf b/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..8e44886f1f31dba3004b2ef0bff3d3afda4c22b4
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diff --git a/test/subset/data/fonts/Roboto-Regular.abc.ttf b/test/subset/data/fonts/Roboto-Regular.abc.ttf
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diff --git a/test/subset/data/profiles/default.txt b/test/subset/data/profiles/default.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/test/subset/data/tests/basics.txt b/test/subset/data/tests/basics.txt
new file mode 100644
index 000000000..8a7246b98
--- /dev/null
+++ b/test/subset/data/tests/basics.txt
@@ -0,0 +1,8 @@
+FONTS:
+Roboto-Regular.abc.ttf
+
+PROFILES:
+default.txt
+
+SUBSETS:
+b
diff --git a/test/subset/generate-expected-outputs.py b/test/subset/generate-expected-outputs.py
new file mode 100755
index 000000000..87db5d5b1
--- /dev/null
+++ b/test/subset/generate-expected-outputs.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+
+# Pre-generates the expected output subset files (via fonttools) for
+# specified subset test suite(s).
+
+import os
+import sys
+
+from subprocess import check_call
+from subset_test_suite import SubsetTestSuite
+
+
+def usage():
+	print "Usage: generate-expected-outputs.py <test suite file> ..."
+
+
+def generate_expected_output(input_file, unicodes, output_path):
+	check_call(["fonttools", "subset",
+							input_file,
+							"--unicodes=%s" % unicodes,
+							"--output-file=%s" % output_path])
+
+
+args = sys.argv[1:]
+if not args:
+	usage()
+
+for path in args:
+	with open(path, 'r') as f:
+		test_suite = SubsetTestSuite(path, f.read())
+		output_directory = test_suite.get_output_directory()
+
+		print "Generating output files for %s" % output_directory
+		for test in test_suite.tests():
+			unicodes = test.unicodes()
+			font_name = test.get_font_name()
+			print "Creating subset %s/%s" % (output_directory, font_name)
+			generate_expected_output(test.font_path, unicodes,
+															 os.path.join(output_directory,
+																						font_name))
diff --git a/test/subset/subset_test_suite.py b/test/subset/subset_test_suite.py
new file mode 100644
index 000000000..256e20713
--- /dev/null
+++ b/test/subset/subset_test_suite.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+
+import os
+
+# A single test in a subset test suite. Identifies a font
+# a subsetting profile, and a subset to be cut.
+class Test:
+	def __init__(self, font_path, profile_path, subset):
+		self.font_path = font_path
+		self.profile_path = profile_path
+		self.subset = subset
+
+	def unicodes(self):
+		return ",".join("%X" % ord(c) for (i, c) in enumerate(self.subset))
+
+	def get_font_name(self):
+		font_base_name = os.path.basename(self.font_path)
+		font_base_name_parts = os.path.splitext(font_base_name)
+		profile_name = os.path.splitext(os.path.basename(self.profile_path))[0]
+
+		return "%s.%s.%s%s" % (font_base_name_parts[0],
+													 profile_name,
+													 self.unicodes(),
+													 font_base_name_parts[1])
+
+# A group of tests to perform on the subsetter. Each test
+# Identifies a font a subsetting profile, and a subset to be cut.
+class SubsetTestSuite:
+
+	def __init__(self, test_path, definition):
+		self.test_path = test_path
+		self.fonts = set()
+		self.profiles = set()
+		self.subsets = set()
+		self._parse(definition)
+
+	def get_output_directory(self):
+		test_name = os.path.splitext(os.path.basename(self.test_path))[0]
+		data_dir = os.path.join(os.path.dirname(self.test_path), "..")
+
+		output_dir = os.path.normpath(os.path.join(data_dir, "expected", test_name))
+		if not os.path.exists(output_dir):
+			os.mkdir(output_dir)
+		if not os.path.isdir(output_dir):
+			raise Error("%s is not a directory." % output_dir)
+
+		return output_dir
+
+	def tests(self):
+		for font in self.fonts:
+			font = os.path.join(self._base_path(), "fonts", font)
+			for profile in self.profiles:
+				profile = os.path.join(self._base_path(), "profiles", profile)
+				for subset in self.subsets:
+					yield Test(font, profile, subset)
+
+	def _base_path(self):
+		return os.path.dirname(os.path.dirname(self.test_path))
+
+	def _parse(self, definition):
+		destinations = {
+				"FONTS:": self.fonts,
+				"PROFILES:": self.profiles,
+				"SUBSETS:": self.subsets
+		}
+
+		current_destination = None
+		for line in definition.splitlines():
+			line = line.strip()
+
+			if line.startswith("#"):
+				continue
+
+			if not line:
+				continue
+
+			if line in destinations:
+				current_destination = destinations[line]
+			elif current_destination is not None:
+				current_destination.add(line)
+			else:
+				raise Exception("Failed to parse test suite file.")

From cc46cd88a1b84b02694fa6d88c4286e93336f096 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 26 Jan 2018 14:25:39 -0800
Subject: [PATCH 0926/1326] In generate-expected-outputs read the test
 definition with utf8 encoding.

---
 test/subset/generate-expected-outputs.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/subset/generate-expected-outputs.py b/test/subset/generate-expected-outputs.py
index 87db5d5b1..f6636de7e 100755
--- a/test/subset/generate-expected-outputs.py
+++ b/test/subset/generate-expected-outputs.py
@@ -3,6 +3,7 @@
 # Pre-generates the expected output subset files (via fonttools) for
 # specified subset test suite(s).
 
+import io
 import os
 import sys
 
@@ -26,7 +27,7 @@ if not args:
 	usage()
 
 for path in args:
-	with open(path, 'r') as f:
+	with io.open(path, mode="r", encoding="utf-8") as f:
 		test_suite = SubsetTestSuite(path, f.read())
 		output_directory = test_suite.get_output_directory()
 

From 5c63c37b2b5aba8bf2f8ff35b7da0d116ebfe8b5 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 26 Jan 2018 16:57:42 -0800
Subject: [PATCH 0927/1326] WIP test runner for subset tests.

---
 test/subset/run-tests.py | 64 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100755 test/subset/run-tests.py

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
new file mode 100755
index 000000000..90da96249
--- /dev/null
+++ b/test/subset/run-tests.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+
+# Runs a subsetting test suite. Compares the results of subsetting via harfbuz
+# to subsetting via fonttools.
+
+from __future__ import print_function
+
+import io
+import os
+import subprocess
+import sys
+
+from subset_test_suite import SubsetTestSuite
+
+
+def cmd(command):
+	p = subprocess.Popen (
+		command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+	p.wait ()
+	print (p.stderr.read (), end="") # file=sys.stderr
+	return p.stdout.read (), p.returncode
+
+
+def run_test(test):
+	result, return_code = cmd([hb_subset,
+														 test.font_path,
+														 "--unicodes=%s" % test.unicodes()])
+
+	if return_code:
+		print ("ERROR: hb-subset failed for %s, %s, %s" % (test.font_path, test.profile_path, test.unicodes()))
+		return 1
+
+	with open(os.path.join(test_suite.get_output_directory(),
+												 test.get_font_name())) as expected:
+		if not result == expected.read():
+			print ("ERROR: hb-subset %s, %s, %s does not match expected value." % (test.font_path, test.profile_path, test.unicodes()))
+			return 1
+
+	return 0
+
+
+args = sys.argv[1:]
+if not args or sys.argv[1].find('hb-subset') == -1 or not os.path.exists (sys.argv[1]):
+	print ("First argument does not seem to point to usable hb-subset.")
+	sys.exit (1)
+hb_subset, args = args[0], args[1:]
+
+if not len(args):
+	print ("No tests supplied.")
+	sys.exit (1)
+
+fails = 0
+for path in args:
+	with io.open(path, mode="r", encoding="utf-8") as f:
+		print ("Running tests in " + path)
+		test_suite = SubsetTestSuite(path, f.read())
+		for test in test_suite.tests():
+			fails += run_test(test)
+
+if fails != 0:
+	print (str (fails) + " test(s) failed.")
+	sys.exit(1)
+else:
+	print ("All tests passed.")

From 0853260e997aded264f42bb369d4fcb39cccb7d6 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 29 Jan 2018 13:30:02 -0800
Subject: [PATCH 0928/1326] Configure automake to run the new subset tests.

---
 configure.ac                                     |  2 ++
 test/Makefile.am                                 |  2 +-
 test/subset/Makefile.am                          | 16 ++++++++++++++++
 test/subset/data/Makefile.am                     | 16 ++++++++++++++++
 test/subset/data/Makefile.sources                | 10 ++++++++++
 .../data/tests/{basics.txt => basics.tests}      |  0
 6 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 test/subset/Makefile.am
 create mode 100644 test/subset/data/Makefile.am
 create mode 100644 test/subset/data/Makefile.sources
 rename test/subset/data/tests/{basics.txt => basics.tests} (100%)

diff --git a/configure.ac b/configure.ac
index dec994ebd..12401f00b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -500,6 +500,8 @@ test/shaping/Makefile
 test/shaping/data/Makefile
 test/shaping/data/in-house/Makefile
 test/shaping/data/text-rendering-tests/Makefile
+test/subset/Makefile
+test/subset/data/Makefile
 docs/Makefile
 docs/version.xml
 ])
diff --git a/test/Makefile.am b/test/Makefile.am
index ad496f559..66b3e6e2e 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -2,7 +2,7 @@
 
 NULL =
 EXTRA_DIST =
-SUBDIRS = api shaping fuzzing
+SUBDIRS = api shaping fuzzing subset
 
 EXTRA_DIST += \
 	CMakeLists.txt \
diff --git a/test/subset/Makefile.am b/test/subset/Makefile.am
new file mode 100644
index 000000000..3037261bb
--- /dev/null
+++ b/test/subset/Makefile.am
@@ -0,0 +1,16 @@
+# Process this file with automake to produce Makefile.in
+
+NULL =
+EXTRA_DIST =
+CLEANFILES =
+SUBDIRS = data
+
+# Convenience targets:
+lib:
+	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
+
+CLEANFILES += \
+	subset_test_suite.py[c0] \
+	$(NULL)
+
+-include $(top_srcdir)/git.mk
diff --git a/test/subset/data/Makefile.am b/test/subset/data/Makefile.am
new file mode 100644
index 000000000..c74f7fd86
--- /dev/null
+++ b/test/subset/data/Makefile.am
@@ -0,0 +1,16 @@
+# Process this file with automake to produce Makefile.in
+
+NULL =
+EXTRA_DIST =
+CLEANFILES =
+SUBDIRS =
+
+# Convenience targets:
+lib:
+	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
+
+TEST_EXTENSIONS = .tests
+TESTS_LOG_COMPILER = $(srcdir)/../run-tests.py $(top_builddir)/util/hb-subset$(EXEEXT)
+include Makefile.sources
+
+-include $(top_srcdir)/git.mk
diff --git a/test/subset/data/Makefile.sources b/test/subset/data/Makefile.sources
new file mode 100644
index 000000000..574f94665
--- /dev/null
+++ b/test/subset/data/Makefile.sources
@@ -0,0 +1,10 @@
+TESTS = \
+	tests/basics.tests \
+  $(NULL)
+
+XFAIL_TESTS = \
+	tests/basics.tests \
+  $(NULL)
+
+DISABLED_TESTS = \
+	$(NULL)
diff --git a/test/subset/data/tests/basics.txt b/test/subset/data/tests/basics.tests
similarity index 100%
rename from test/subset/data/tests/basics.txt
rename to test/subset/data/tests/basics.tests

From b029b7c19a733a2a39860238ad300e6c4a3f7802 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 29 Jan 2018 13:31:49 -0800
Subject: [PATCH 0929/1326] Whitespace

---
 test/subset/data/Makefile.sources | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/subset/data/Makefile.sources b/test/subset/data/Makefile.sources
index 574f94665..00bd2b9f0 100644
--- a/test/subset/data/Makefile.sources
+++ b/test/subset/data/Makefile.sources
@@ -1,10 +1,10 @@
 TESTS = \
 	tests/basics.tests \
-  $(NULL)
+	$(NULL)
 
 XFAIL_TESTS = \
 	tests/basics.tests \
-  $(NULL)
+	$(NULL)
 
 DISABLED_TESTS = \
 	$(NULL)

From 76351518ca9bc88aa6fbc975e1e35bd86432d652 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 30 Jan 2018 14:03:16 -0800
Subject: [PATCH 0930/1326] Remove basic subset test from XFAIL

---
 test/subset/data/Makefile.sources | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test/subset/data/Makefile.sources b/test/subset/data/Makefile.sources
index 00bd2b9f0..37550b639 100644
--- a/test/subset/data/Makefile.sources
+++ b/test/subset/data/Makefile.sources
@@ -3,7 +3,6 @@ TESTS = \
 	$(NULL)
 
 XFAIL_TESTS = \
-	tests/basics.tests \
 	$(NULL)
 
 DISABLED_TESTS = \

From c02573516c05ac97acb243ef5dec26af86086ded Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 30 Jan 2018 18:39:41 -0800
Subject: [PATCH 0931/1326] Fix typo in hb-subset.h

---
 src/hb-subset.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset.h b/src/hb-subset.h
index 8aaccd6e5..b7c1f569f 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -80,7 +80,7 @@ hb_subset_face_destroy(hb_subset_face_t *face);
 HB_EXTERN hb_bool_t
 hb_subset(hb_subset_profile_t *profile,
           hb_subset_input_t *input,
-          hb_subset_face_t *face
+          hb_subset_face_t *face,
           hb_blob_t *result /* OUT */);
 
 HB_END_DECLS

From cf403e1a53381f293aceac5cdbe031bbb2a7af77 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 30 Jan 2018 18:40:23 -0800
Subject: [PATCH 0932/1326] Add hb-subset.h to hb.h

---
 src/hb.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb.h b/src/hb.h
index 7402034f4..e55decfea 100644
--- a/src/hb.h
+++ b/src/hb.h
@@ -41,6 +41,7 @@
 #include "hb-set.h"
 #include "hb-shape.h"
 #include "hb-shape-plan.h"
+#include "hb-subset.h"
 #include "hb-unicode.h"
 #include "hb-version.h"
 

From e9d154ac8ddd2712a34c53c95a17e469f95e5b30 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Tue, 30 Jan 2018 19:27:11 -0800
Subject: [PATCH 0933/1326] tweak test failure output. write to a temp file not
 stdout. test still fails because expected is not just an identical copy of
 input

---
 test/subset/run-tests.py | 39 +++++++++++++++++++++--------
 util/hb-subset.cc        | 53 ++++++++++++++++++++++++++++------------
 2 files changed, 66 insertions(+), 26 deletions(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 90da96249..0b4b96a6e 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -9,6 +9,7 @@ import io
 import os
 import subprocess
 import sys
+import tempfile
 
 from subset_test_suite import SubsetTestSuite
 
@@ -20,21 +21,39 @@ def cmd(command):
 	print (p.stderr.read (), end="") # file=sys.stderr
 	return p.stdout.read (), p.returncode
 
+def read_binary(file_path):
+	with open(file_path, 'rb') as f:
+		return f.read()
+
+def fail_test(test, cli_args, message):
+	print ('ERROR: %s' % message)
+	print ('Test State:')
+	print ('  test.font_path    %s' % os.path.abspath(test.font_path))
+	print ('  test.profile_path %s' % os.path.abspath(test.profile_path))
+	print ('  test.unicodes     %s' % test.unicodes())
+	expected_file = os.path.join(test_suite.get_output_directory(),
+			 										 		 test.get_font_name())
+	print ('  expected_file     %s' % os.path.abspath(expected_file))
+	return 1
 
 def run_test(test):
-	result, return_code = cmd([hb_subset,
-														 test.font_path,
-														 "--unicodes=%s" % test.unicodes()])
+	out_file = os.path.join(tempfile.mkdtemp(), test.get_font_name() + '-subset.ttf')	
+	cli_args = [hb_subset, test.font_path, out_file, "--unicodes=%s" % test.unicodes()]
+	_, return_code = cmd(cli_args)
 
 	if return_code:
-		print ("ERROR: hb-subset failed for %s, %s, %s" % (test.font_path, test.profile_path, test.unicodes()))
-		return 1
+		return fail_test(test, cli_args, "%s returned %d" % (' '.join(cli_args), return_code))
 
-	with open(os.path.join(test_suite.get_output_directory(),
-												 test.get_font_name())) as expected:
-		if not result == expected.read():
-			print ("ERROR: hb-subset %s, %s, %s does not match expected value." % (test.font_path, test.profile_path, test.unicodes()))
-			return 1
+	expected = read_binary(os.path.join(test_suite.get_output_directory(),
+												 							test.get_font_name()))
+	actual = read_binary(out_file)
+
+	if len(actual) != len(expected):
+		return fail_test(test, cli_args, "expected %d bytes, actual %d: %s" % (
+				len(expected), len(actual), ' '.join(cli_args)))
+
+	if not actual == expected:
+		return fail_test(test, cli_args, 'files are the same length but not the same bytes')
 
 	return 0
 
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index ad7ceb14b..5aafbe194 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -13,37 +13,52 @@ int
 main (int argc, char **argv)
 {
   int exit_code = 0;
-  int fd = open("/tmp/Lobster-Regular.ttf", O_RDONLY);
+
+  if (argc != 4) {
+    fprintf(stderr, "Must have 4 args\n"); 
+    exit(1);
+  }
+
+  int fd = open(argv[1], O_RDONLY);
   if (fd == -1) {
-    perror("Unable to open file");
+    perror("Unable to open font file");
     exit(1);
   }
 
   void *mapped_file = MAP_FAILED;
-  char *raw_font = nullptr;
+  int fd_out = -1;
 
   struct stat stat;
   if (fstat(fd, &stat) != -1) {
-    printf("File is %zu bytes\n", stat.st_size);
 
-    void *mapped_file = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
-    if (mapped_file != MAP_FAILED) {
-      raw_font = static_cast<char*>(mapped_file);
-    } else {
+    mapped_file = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+    if (mapped_file == MAP_FAILED) {
       perror("Failed to map file");
     }
   } else {
     perror("Unable to fstat");
   }
 
-  if (raw_font) {
-      printf("Mapped file\n");      
-      for (int i = 0; i < 4; i++) {
-        printf("%02x", *(raw_font + i));
-      }
-      printf("\n");
+  if (mapped_file != MAP_FAILED) {      
+      hb_blob_t *font_blob = hb_blob_create(static_cast<const char*>(mapped_file), 
+                                            stat.st_size, 
+                                            HB_MEMORY_MODE_READONLY, nullptr,
+                                            nullptr);
 
-      hb_blob_t *font_blob = hb_blob_create(raw_font, stat.st_size, HB_MEMORY_MODE_READONLY, nullptr, nullptr);
+      fd_out = open(argv[2], O_CREAT | O_WRONLY, S_IRWXU);      
+      if (fd_out != -1) {
+        ssize_t bytes_written = write(fd_out, mapped_file, stat.st_size);  
+        if (bytes_written == -1) {          
+          perror("Unable to write output file");        
+          exit_code = 1;
+        } else if (bytes_written != stat.st_size) {          
+          fprintf(stderr, "Wrong number of bytes written");
+          exit_code = 1;
+        }      
+      } else {
+        perror("Unable to open output file");
+        exit_code = 1;
+      }
   }
 
   if (mapped_file != MAP_FAILED) {
@@ -53,9 +68,15 @@ main (int argc, char **argv)
     }
   }
 
-  if (close(fd) == -1) {
+  if (fd_out != -1 && close(fd_out) == -1) {
+    perror("Unable to close output file");
+    exit_code = 1;
+  }
+
+  if (fd != -1 && close(fd) == -1) {
     perror("Unable to close file");
     exit_code = 1;
   }
+
   return exit_code;
 }

From b59c08eb045db2b6c952de81510b8159a4f72fb1 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 31 Jan 2018 11:14:53 -0800
Subject: [PATCH 0934/1326] Add the beginning of a unit test for hb-subset

---
 test/api/test-subset.c | 67 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 test/api/test-subset.c

diff --git a/test/api/test-subset.c b/test/api/test-subset.c
new file mode 100644
index 000000000..85b302d72
--- /dev/null
+++ b/test/api/test-subset.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright © 2011  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "hb-test.h"
+
+/* Unit tests for hb-subset.h */
+
+static const char test_data[] = "OTTO";
+
+static void
+test_subset (void)
+{
+  hb_blob_t *font_blob = hb_blob_create(test_data, sizeof(test_data),
+					HB_MEMORY_MODE_READONLY, NULL, NULL);
+  hb_face_t *face = hb_face_create(font_blob, 0);
+
+  hb_subset_profile_t *profile = hb_subset_profile_create();
+  hb_subset_input_t *input = hb_subset_input_create();
+  hb_subset_face_t *subset_face = hb_subset_face_create(face);
+
+  char output_data[100];
+  hb_blob_t *output = hb_blob_create(output_data, sizeof(output_data),
+				     HB_MEMORY_MODE_WRITABLE, NULL, NULL);
+
+  g_assert(hb_subset(profile, input, subset_face, output));
+  g_assert_cmpmem(test_data, 4, output_data, sizeof(output));
+
+  hb_blob_destroy(output);
+  hb_subset_face_destroy(subset_face);
+  hb_subset_input_destroy(input);
+  hb_subset_profile_destroy(profile);
+  hb_face_destroy(face);
+  hb_blob_destroy(font_blob);
+}
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_subset);
+
+  return hb_test_run();
+}

From 38af23b8df1a84f24d379d27d1a1e20f9ce07f34 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 31 Jan 2018 11:32:23 -0800
Subject: [PATCH 0935/1326] Make the expected output for subsetting basics test
 be equal to the input file for now.

---
 .../basics/Roboto-Regular.abc.default.62.ttf  | Bin 1996 -> 2460 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf b/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf
index 8e44886f1f31dba3004b2ef0bff3d3afda4c22b4..9d791f7fc5ba42bb66504843d5841f2b180beef7 100644
GIT binary patch
delta 985
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From a2965f2ea5428c19be54f998ef9152c5ff6975ea Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 31 Jan 2018 14:53:09 -0800
Subject: [PATCH 0936/1326] Add a basic implementation of hb-subset to enable
 compilation of test-subset.

---
 src/hb-subset.cc       | 146 +++++++++++++++++++++++++++++++++++++++++
 src/hb-subset.h        |   5 +-
 test/api/Makefile.am   |   1 +
 test/api/test-subset.c |  12 ++--
 4 files changed, 156 insertions(+), 8 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index e69de29bb..cabae4c4b 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -0,0 +1,146 @@
+/*
+ * Copyright © 2009  Red Hat, Inc.
+ * Copyright © 2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger, Rod Sheeter
+ */
+
+#include "hb-private.hh"
+
+#include "hb-object-private.hh"
+
+
+struct hb_subset_profile_t {
+  hb_object_header_t header;
+  ASSERT_POD ();
+};
+
+struct hb_subset_input_t {
+  hb_object_header_t header;
+  ASSERT_POD ();
+};
+
+struct hb_subset_face_t {
+  hb_object_header_t header;
+  ASSERT_POD ();
+};
+
+
+/**
+ * hb_subset_profile_create:
+ *
+ * Return value: New profile with default settings.
+ *
+ * Since: 1.7.5
+ **/
+hb_subset_profile_t *
+hb_subset_profile_create ()
+{
+  return hb_object_create<hb_subset_profile_t>();
+}
+
+/**
+ * hb_subset_profile_destroy:
+ *
+ * Since: 1.7.5
+ **/
+void
+hb_subset_profile_destroy (hb_subset_profile_t *profile)
+{
+  if (!hb_object_destroy (profile)) return;
+
+  free (profile);
+}
+
+/**
+ * hb_subset_input_create:
+ *
+ * Return value: New subset input.
+ *
+ * Since: 1.7.5
+ **/
+hb_subset_input_t *
+hb_subset_input_create()
+{
+  return hb_object_create<hb_subset_input_t>();
+}
+
+/**
+ * hb_subset_input_destroy:
+ *
+ * Since: 1.7.5
+ **/
+void
+hb_subset_input_destroy(hb_subset_input_t *subset_input)
+{
+  if (!hb_object_destroy (subset_input)) return;
+
+  free (subset_input);
+}
+
+/**
+ * hb_subset_face_create:
+ *
+ * Return value: New subset face.
+ *
+ * Since: 1.7.5
+ **/
+hb_subset_face_t *
+hb_subset_face_create(hb_face_t *face)
+{
+  return hb_object_create<hb_subset_face_t>();
+}
+
+/**
+ * hb_subset_face_destroy:
+ *
+ * Since: 1.7.5
+ **/
+void
+hb_subset_face_destroy(hb_subset_face_t *face)
+{
+  if (!hb_object_destroy (face)) return;
+
+  free (face);
+}
+
+/**
+ * hb_subset:
+ * @profile: profile to use for the subsetting.
+ * @input: input to use for the subsetting.
+ * @face: font face data to be subset.
+ * @result: subsetting result.
+ *
+ * Subsets a font according to provided profile and input.
+ **/
+hb_bool_t
+hb_subset(hb_subset_profile_t *profile,
+          hb_subset_input_t *input,
+          hb_subset_face_t *face,
+          hb_blob_t **result /* OUT */)
+{
+  if (!profile || !input || !face) return false;
+
+  *result = hb_blob_get_empty();
+  return true;
+}
diff --git a/src/hb-subset.h b/src/hb-subset.h
index b7c1f569f..7ceac9a7d 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -38,7 +38,8 @@ HB_BEGIN_DECLS
 
 /*
  * hb_subset_profile_t
- * Things that change based on target environment, e.g. OS
+ * Things that change based on target environment, e.g. OS.
+ * Threadsafe for multiple concurrent subset operations.
  */
 
 typedef struct hb_subset_profile_t hb_subset_profile_t;
@@ -81,7 +82,7 @@ HB_EXTERN hb_bool_t
 hb_subset(hb_subset_profile_t *profile,
           hb_subset_input_t *input,
           hb_subset_face_t *face,
-          hb_blob_t *result /* OUT */);
+          hb_blob_t **result /* OUT */);
 
 HB_END_DECLS
 
diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index e22d726a8..3a4eacaec 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -29,6 +29,7 @@ TEST_PROGS = \
 	test-object \
 	test-set \
 	test-shape \
+        test-subset \
 	test-unicode \
 	test-version \
 	$(NULL)
diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index 85b302d72..b6986ce2b 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -28,7 +28,7 @@
 
 /* Unit tests for hb-subset.h */
 
-static const char test_data[] = "OTTO";
+static const char test_data[] = { 0, 0, 1, 0 };
 
 static void
 test_subset (void)
@@ -41,12 +41,12 @@ test_subset (void)
   hb_subset_input_t *input = hb_subset_input_create();
   hb_subset_face_t *subset_face = hb_subset_face_create(face);
 
-  char output_data[100];
-  hb_blob_t *output = hb_blob_create(output_data, sizeof(output_data),
-				     HB_MEMORY_MODE_WRITABLE, NULL, NULL);
+  hb_blob_t *output;
+  g_assert(hb_subset(profile, input, subset_face, &output));
 
-  g_assert(hb_subset(profile, input, subset_face, output));
-  g_assert_cmpmem(test_data, 4, output_data, sizeof(output));
+  unsigned int output_length;
+  const char *output_data = hb_blob_get_data(output, &output_length);
+  g_assert_cmpmem(test_data, 4, output_data, output_length);
 
   hb_blob_destroy(output);
   hb_subset_face_destroy(subset_face);

From 76b84c36b9560e132918adb4c0c5a0d9bdfb0978 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 31 Jan 2018 14:53:28 -0800
Subject: [PATCH 0937/1326] Whitespace

---
 test/api/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 3a4eacaec..99849fc99 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -29,7 +29,7 @@ TEST_PROGS = \
 	test-object \
 	test-set \
 	test-shape \
-        test-subset \
+	test-subset \
 	test-unicode \
 	test-version \
 	$(NULL)

From 74d39ed2639857d5f1a90d9c0d864227a6482b40 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 31 Jan 2018 15:20:52 -0800
Subject: [PATCH 0938/1326] Attach add a hb_face_t to hb_subset_face_t.

---
 src/hb-subset.cc | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index cabae4c4b..00146b9d9 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -43,6 +43,8 @@ struct hb_subset_input_t {
 struct hb_subset_face_t {
   hb_object_header_t header;
   ASSERT_POD ();
+
+  hb_face_t *face;
 };
 
 
@@ -108,7 +110,13 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
 hb_subset_face_t *
 hb_subset_face_create(hb_face_t *face)
 {
-  return hb_object_create<hb_subset_face_t>();
+  if (unlikely (!face))
+    face = hb_face_get_empty();
+
+  hb_subset_face_t *subset_face = hb_object_create<hb_subset_face_t> ();
+  subset_face->face = hb_face_reference (face);
+
+  return subset_face;
 }
 
 /**
@@ -117,11 +125,12 @@ hb_subset_face_create(hb_face_t *face)
  * Since: 1.7.5
  **/
 void
-hb_subset_face_destroy(hb_subset_face_t *face)
+hb_subset_face_destroy(hb_subset_face_t *subset_face)
 {
-  if (!hb_object_destroy (face)) return;
+  if (!hb_object_destroy (subset_face)) return;
 
-  free (face);
+  hb_face_destroy(subset_face->face);
+  free (subset_face);
 }
 
 /**

From 8c3a6727377895f18e1b5c7076404d8aede17176 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 31 Jan 2018 15:43:24 -0800
Subject: [PATCH 0939/1326] Get test-subset to pass.

---
 src/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 00146b9d9..62f7f0ad2 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -150,6 +150,6 @@ hb_subset(hb_subset_profile_t *profile,
 {
   if (!profile || !input || !face) return false;
 
-  *result = hb_blob_get_empty();
+  *result = hb_face_reference_blob(face->face);
   return true;
 }

From 34fa7b3ad23b544b0914bc6002d60525224c68e1 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 1 Feb 2018 16:50:18 -0800
Subject: [PATCH 0940/1326] Whitespace

---
 src/hb-subset.h | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/hb-subset.h b/src/hb-subset.h
index 7ceac9a7d..84c0c3c20 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -45,10 +45,10 @@ HB_BEGIN_DECLS
 typedef struct hb_subset_profile_t hb_subset_profile_t;
 
 HB_EXTERN hb_subset_profile_t *
-hb_subset_profile_create();
+hb_subset_profile_create ();
 
 HB_EXTERN void
-hb_subset_profile_destroy(hb_subset_profile_t *profile);
+hb_subset_profile_destroy (hb_subset_profile_t *profile);
 
 /*
  * hb_subset_input_t
@@ -58,10 +58,10 @@ hb_subset_profile_destroy(hb_subset_profile_t *profile);
 typedef struct hb_subset_input_t hb_subset_input_t;
 
 HB_EXTERN hb_subset_input_t *
-hb_subset_input_create();
+hb_subset_input_create ();
 
 HB_EXTERN void
-hb_subset_input_destroy(hb_subset_input_t *subset_input);
+hb_subset_input_destroy (hb_subset_input_t *subset_input);
 
 /*
  * hb_subset_face_t
@@ -72,17 +72,17 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input);
 typedef struct hb_subset_face_t hb_subset_face_t;
 
 HB_EXTERN hb_subset_face_t *
-hb_subset_face_create(hb_face_t *face);
+hb_subset_face_create (hb_face_t *face);
 
 HB_EXTERN void
-hb_subset_face_destroy(hb_subset_face_t *face);
+hb_subset_face_destroy (hb_subset_face_t *face);
 
 
 HB_EXTERN hb_bool_t
-hb_subset(hb_subset_profile_t *profile,
-          hb_subset_input_t *input,
-          hb_subset_face_t *face,
-          hb_blob_t **result /* OUT */);
+hb_subset (hb_subset_profile_t *profile,
+           hb_subset_input_t *input,
+           hb_subset_face_t *face,
+           hb_blob_t **result /* OUT */);
 
 HB_END_DECLS
 

From 2763a2c5982c0db072697abe8ba01342d5977237 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 1 Feb 2018 17:14:51 -0800
Subject: [PATCH 0941/1326] Include subset test files in distribution.

---
 test/subset/Makefile.am      | 7 ++++++-
 test/subset/data/Makefile.am | 7 +++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/test/subset/Makefile.am b/test/subset/Makefile.am
index 3037261bb..dfc312e65 100644
--- a/test/subset/Makefile.am
+++ b/test/subset/Makefile.am
@@ -9,8 +9,13 @@ SUBDIRS = data
 lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
 
+EXTRA_DIST += \
+	run-tests.py \
+	subset_test_suite.py \
+	$(NULL)
+
 CLEANFILES += \
-	subset_test_suite.py[c0] \
+	subset_test_suite.py[co] \
 	$(NULL)
 
 -include $(top_srcdir)/git.mk
diff --git a/test/subset/data/Makefile.am b/test/subset/data/Makefile.am
index c74f7fd86..ecdab3764 100644
--- a/test/subset/data/Makefile.am
+++ b/test/subset/data/Makefile.am
@@ -5,6 +5,13 @@ EXTRA_DIST =
 CLEANFILES =
 SUBDIRS =
 
+EXTRA_DIST = \
+	$(TESTS) \
+	expected/basics/*.ttf \
+	fonts/*.ttf \
+	profiles/*.txt \
+	$(NULL)
+
 # Convenience targets:
 lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib

From ede84ffa426edb950c4ec4f89833c85475a1c64f Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 1 Feb 2018 17:17:36 -0800
Subject: [PATCH 0942/1326] Whitespace

---
 util/hb-subset.cc | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 5aafbe194..4beb6a1c0 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -15,7 +15,7 @@ main (int argc, char **argv)
   int exit_code = 0;
 
   if (argc != 4) {
-    fprintf(stderr, "Must have 4 args\n"); 
+    fprintf(stderr, "Must have 4 args\n");
     exit(1);
   }
 
@@ -39,26 +39,26 @@ main (int argc, char **argv)
     perror("Unable to fstat");
   }
 
-  if (mapped_file != MAP_FAILED) {      
-      hb_blob_t *font_blob = hb_blob_create(static_cast<const char*>(mapped_file), 
-                                            stat.st_size, 
-                                            HB_MEMORY_MODE_READONLY, nullptr,
-                                            nullptr);
+  if (mapped_file != MAP_FAILED) {
+    hb_blob_t *font_blob = hb_blob_create(static_cast<const char*>(mapped_file),
+                                          stat.st_size,
+                                          HB_MEMORY_MODE_READONLY, nullptr,
+                                          nullptr);
 
-      fd_out = open(argv[2], O_CREAT | O_WRONLY, S_IRWXU);      
-      if (fd_out != -1) {
-        ssize_t bytes_written = write(fd_out, mapped_file, stat.st_size);  
-        if (bytes_written == -1) {          
-          perror("Unable to write output file");        
-          exit_code = 1;
-        } else if (bytes_written != stat.st_size) {          
-          fprintf(stderr, "Wrong number of bytes written");
-          exit_code = 1;
-        }      
-      } else {
-        perror("Unable to open output file");
+    fd_out = open(argv[2], O_CREAT | O_WRONLY, S_IRWXU);
+    if (fd_out != -1) {
+      ssize_t bytes_written = write(fd_out, mapped_file, stat.st_size);
+      if (bytes_written == -1) {
+        perror("Unable to write output file");
+        exit_code = 1;
+      } else if (bytes_written != stat.st_size) {
+        fprintf(stderr, "Wrong number of bytes written");
         exit_code = 1;
       }
+    } else {
+      perror("Unable to open output file");
+      exit_code = 1;
+    }
   }
 
   if (mapped_file != MAP_FAILED) {

From 058b1260ad1105d0d8d6bf21f8f65a336e735bd2 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 1 Feb 2018 18:22:14 -0800
Subject: [PATCH 0943/1326] Re-write hb-subset utility to use main-font-text
 driver.

---
 test/subset/run-tests.py |  15 ++--
 util/Makefile.sources    |   3 +
 util/hb-subset.cc        | 161 +++++++++++++++++++++------------------
 3 files changed, 97 insertions(+), 82 deletions(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 0b4b96a6e..b0054802f 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -30,22 +30,25 @@ def fail_test(test, cli_args, message):
 	print ('Test State:')
 	print ('  test.font_path    %s' % os.path.abspath(test.font_path))
 	print ('  test.profile_path %s' % os.path.abspath(test.profile_path))
-	print ('  test.unicodes     %s' % test.unicodes())
+	print ('  test.unicodes	    %s' % test.unicodes())
 	expected_file = os.path.join(test_suite.get_output_directory(),
-			 										 		 test.get_font_name())
-	print ('  expected_file     %s' % os.path.abspath(expected_file))
+				     test.get_font_name())
+	print ('  expected_file	    %s' % os.path.abspath(expected_file))
 	return 1
 
 def run_test(test):
-	out_file = os.path.join(tempfile.mkdtemp(), test.get_font_name() + '-subset.ttf')	
-	cli_args = [hb_subset, test.font_path, out_file, "--unicodes=%s" % test.unicodes()]
+	out_file = os.path.join(tempfile.mkdtemp(), test.get_font_name() + '-subset.ttf')
+	cli_args = [hb_subset,
+		    "--font-file=" + test.font_path,
+		    "--output-file=" + out_file,
+		    "--unicodes=%s" % test.unicodes()]
 	_, return_code = cmd(cli_args)
 
 	if return_code:
 		return fail_test(test, cli_args, "%s returned %d" % (' '.join(cli_args), return_code))
 
 	expected = read_binary(os.path.join(test_suite.get_output_directory(),
-												 							test.get_font_name()))
+					    test.get_font_name()))
 	actual = read_binary(out_file)
 
 	if len(actual) != len(expected):
diff --git a/util/Makefile.sources b/util/Makefile.sources
index 94a5fa8a2..c4516ebcb 100644
--- a/util/Makefile.sources
+++ b/util/Makefile.sources
@@ -31,4 +31,7 @@ HB_OT_SHAPE_CLOSURE_sources = \
 
 HB_SUBSET_sources = \
 	hb-subset.cc \
+	options.cc \
+	options.hh \
+	main-font-text.hh \
 	$(NULL)
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 4beb6a1c0..f5e8aaf3e 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -1,82 +1,91 @@
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
+/*
+ * Copyright © 2010  Behdad Esfahbod
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger, Rod Sheeter
+ */
 
-#include "hb-private.hh"
-#include "hb-blob.h"
+#include "main-font-text.hh"
+
+/*
+ * Command line interface to the harfbuzz font subsetter.
+ */
+
+struct subset_consumer_t
+{
+  subset_consumer_t (option_parser_t *parser)
+      : failed (false), options(parser) {}
+
+  void init (hb_buffer_t  *buffer_,
+             const font_options_t *font_opts)
+  {
+    font = hb_font_reference (font_opts->get_font ());
+  }
+
+  void consume_line (const char   *text,
+                     unsigned int  text_len,
+                     const char   *text_before,
+                     const char   *text_after)
+  {
+  }
+
+  void finish (const font_options_t *font_opts)
+  {
+    hb_face_t *face = hb_font_get_face (font);
+    hb_blob_t *result = hb_face_reference_blob (face);
+    unsigned int data_length;
+    const char* data = hb_blob_get_data (result, &data_length);
+
+    int fd_out = open(options.output_file, O_CREAT | O_WRONLY, S_IRWXU);
+    if (fd_out != -1) {
+      ssize_t bytes_written = write(fd_out, data, data_length);
+      if (bytes_written == -1) {
+        fprintf(stderr, "Unable to write output file");
+        failed = true;
+      } else if (bytes_written != data_length) {
+        fprintf(stderr, "Wrong number of bytes written");
+        failed = true;
+      }
+    } else {
+      fprintf(stderr, "Unable to open output file");
+      failed = true;
+    }
+
+    hb_blob_destroy (result);
+    hb_font_destroy (font);
+  }
+
+  public:
+  bool failed;
+
+  private:
+  output_options_t options;
+  hb_font_t *font;
+};
 
 int
 main (int argc, char **argv)
 {
-  int exit_code = 0;
-
-  if (argc != 4) {
-    fprintf(stderr, "Must have 4 args\n");
-    exit(1);
-  }
-
-  int fd = open(argv[1], O_RDONLY);
-  if (fd == -1) {
-    perror("Unable to open font file");
-    exit(1);
-  }
-
-  void *mapped_file = MAP_FAILED;
-  int fd_out = -1;
-
-  struct stat stat;
-  if (fstat(fd, &stat) != -1) {
-
-    mapped_file = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
-    if (mapped_file == MAP_FAILED) {
-      perror("Failed to map file");
-    }
-  } else {
-    perror("Unable to fstat");
-  }
-
-  if (mapped_file != MAP_FAILED) {
-    hb_blob_t *font_blob = hb_blob_create(static_cast<const char*>(mapped_file),
-                                          stat.st_size,
-                                          HB_MEMORY_MODE_READONLY, nullptr,
-                                          nullptr);
-
-    fd_out = open(argv[2], O_CREAT | O_WRONLY, S_IRWXU);
-    if (fd_out != -1) {
-      ssize_t bytes_written = write(fd_out, mapped_file, stat.st_size);
-      if (bytes_written == -1) {
-        perror("Unable to write output file");
-        exit_code = 1;
-      } else if (bytes_written != stat.st_size) {
-        fprintf(stderr, "Wrong number of bytes written");
-        exit_code = 1;
-      }
-    } else {
-      perror("Unable to open output file");
-      exit_code = 1;
-    }
-  }
-
-  if (mapped_file != MAP_FAILED) {
-    if (munmap(mapped_file, stat.st_size) == -1) {
-      perror("Unable to unmap file");
-      exit_code = 1;
-    }
-  }
-
-  if (fd_out != -1 && close(fd_out) == -1) {
-    perror("Unable to close output file");
-    exit_code = 1;
-  }
-
-  if (fd != -1 && close(fd) == -1) {
-    perror("Unable to close file");
-    exit_code = 1;
-  }
-
-  return exit_code;
+  main_font_text_t<subset_consumer_t, 10, 0> driver;
+  return driver.main (argc, argv);
 }

From 06fe297f2a9fc6ee98179ddd26ef089b7fdb9e74 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 1 Feb 2018 18:36:15 -0800
Subject: [PATCH 0944/1326] Properly include subset test data files.

---
 test/subset/data/Makefile.am | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/subset/data/Makefile.am b/test/subset/data/Makefile.am
index ecdab3764..f1234db85 100644
--- a/test/subset/data/Makefile.am
+++ b/test/subset/data/Makefile.am
@@ -7,9 +7,9 @@ SUBDIRS =
 
 EXTRA_DIST = \
 	$(TESTS) \
-	expected/basics/*.ttf \
-	fonts/*.ttf \
-	profiles/*.txt \
+	expected/basics \
+	fonts \
+	profiles \
 	$(NULL)
 
 # Convenience targets:

From 5bc0cda179bca452145d4523eeba415986edb6e3 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 2 Feb 2018 17:49:14 -0800
Subject: [PATCH 0945/1326] Add missing unistd header to hb-subset.

---
 util/hb-subset.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index f5e8aaf3e..3dda92194 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -25,6 +25,8 @@
  * Google Author(s): Garret Rieger, Rod Sheeter
  */
 
+#include <unistd.h>
+
 #include "main-font-text.hh"
 
 /*

From f83a43b56134188c2e1f3496d40ec0cd9109f250 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 2 Feb 2018 17:50:45 -0800
Subject: [PATCH 0946/1326] Add CMake configuration for all of the new
 subsetting code.

---
 CMakeLists.txt             | 14 ++++++++++++++
 src/Makefile.sources       |  9 +++++++--
 test/CMakeLists.txt        |  1 +
 test/subset/CMakeLists.txt |  9 +++++++++
 util/Makefile.am           |  2 +-
 util/Makefile.sources      |  2 +-
 6 files changed, 33 insertions(+), 4 deletions(-)
 create mode 100644 test/subset/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e067edf8..bfe0e3062 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -171,6 +171,12 @@ add_prefix_to_list(HB_OT_sources "${PROJECT_SOURCE_DIR}/src/")
 extract_make_variable(HB_OT_headers ${SRCSOURCES})
 add_prefix_to_list(HB_OT_headers "${PROJECT_SOURCE_DIR}/src/")
 
+extract_make_variable(HB_SUBSET_sources ${SRCSOURCES})
+add_prefix_to_list(HB_SUBSET_sources "${PROJECT_SOURCE_DIR}/src/")
+
+extract_make_variable(HB_SUBSET_headers ${SRCSOURCES})
+add_prefix_to_list(HB_SUBSET_headers "${PROJECT_SOURCE_DIR}/src/")
+
 extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES})
 extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES})
 if (IN_HB_DIST)
@@ -185,6 +191,8 @@ extract_make_variable(HB_VIEW_sources ${UTILSOURCES})
 add_prefix_to_list(HB_VIEW_sources "${PROJECT_SOURCE_DIR}/util/")
 extract_make_variable(HB_SHAPE_sources ${UTILSOURCES})
 add_prefix_to_list(HB_SHAPE_sources "${PROJECT_SOURCE_DIR}/util/")
+extract_make_variable(HB_SUBSET_CLI_sources ${UTILSOURCES})
+add_prefix_to_list(HB_SUBSET_CLI_sources "${PROJECT_SOURCE_DIR}/util/")
 extract_make_variable(HB_OT_SHAPE_CLOSURE_sources ${UTILSOURCES})
 add_prefix_to_list(HB_OT_SHAPE_CLOSURE_sources "${PROJECT_SOURCE_DIR}/util/")
 
@@ -246,6 +254,8 @@ set (project_sources
   ${HB_FALLBACK_sources}
   ${HB_OT_sources}
   ${HB_OT_RAGEL_GENERATED_sources}
+
+  ${HB_SUBSET_sources}
 )
 
 set (project_extra_sources)
@@ -255,6 +265,7 @@ set (project_headers
 
   ${HB_BASE_headers}
   ${HB_OT_headers}
+  ${HB_SUBSET_headers}
 )
 
 
@@ -708,6 +719,9 @@ if (HB_BUILD_UTILS)
   add_executable(hb-shape ${HB_SHAPE_sources})
   target_link_libraries(hb-shape harfbuzz)
 
+  add_executable(hb-subset ${HB_SUBSET_CLI_sources})
+  target_link_libraries(hb-subset harfbuzz)
+
   add_executable(hb-ot-shape-closure ${HB_OT_SHAPE_CLOSURE_sources})
   target_link_libraries(hb-ot-shape-closure harfbuzz)
 
diff --git a/src/Makefile.sources b/src/Makefile.sources
index f223fcfee..0b9beb961 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -182,8 +182,13 @@ HB_ICU_sources = hb-icu.cc
 HB_ICU_headers = hb-icu.h
 
 # Sources for libharfbuzz-subset
-HB_SUBSET_sources = hb-subset.cc
-HB_SUBSET_headers = hb-subset.h
+HB_SUBSET_sources = \
+	hb-subset.cc \
+	$(NULL)
+
+HB_SUBSET_headers = \
+	hb-subset.h \
+	$(NULL)
 
 HB_GOBJECT_sources = hb-gobject-structs.cc
 HB_GOBJECT_STRUCTS_headers = hb-gobject-structs.h
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2c97f4f81..d2b199428 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,3 +1,4 @@
 add_subdirectory(api)
 add_subdirectory(shaping)
+add_subdirectory(subset)
 add_subdirectory(fuzzing)
diff --git a/test/subset/CMakeLists.txt b/test/subset/CMakeLists.txt
new file mode 100644
index 000000000..0a1e8f953
--- /dev/null
+++ b/test/subset/CMakeLists.txt
@@ -0,0 +1,9 @@
+if (HB_BUILD_UTILS)
+  file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/Makefile.sources" SOURCES)
+  extract_make_variable (TESTS ${SOURCES})
+  foreach (test IN ITEMS ${TESTS})
+    add_test (NAME ${test}
+      COMMAND python run-tests.py $<TARGET_FILE:hb-subset> "data/${test}"
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  endforeach ()
+endif ()
diff --git a/util/Makefile.am b/util/Makefile.am
index 283dd91ff..cd5e31cbc 100644
--- a/util/Makefile.am
+++ b/util/Makefile.am
@@ -46,7 +46,7 @@ endif # HAVE_FREETYPE
 hb_shape_SOURCES = $(HB_SHAPE_sources)
 bin_PROGRAMS += hb-shape
 
-hb_subset_SOURCES = $(HB_SUBSET_sources)
+hb_subset_SOURCES = $(HB_SUBSET_CLI_sources)
 bin_PROGRAMS += hb-subset
 
 if HAVE_OT
diff --git a/util/Makefile.sources b/util/Makefile.sources
index c4516ebcb..6c815d26b 100644
--- a/util/Makefile.sources
+++ b/util/Makefile.sources
@@ -29,7 +29,7 @@ HB_OT_SHAPE_CLOSURE_sources = \
 	main-font-text.hh \
 	$(NULL)
 
-HB_SUBSET_sources = \
+HB_SUBSET_CLI_sources = \
 	hb-subset.cc \
 	options.cc \
 	options.hh \

From 7b01761adef6f64f1139b30c985aa5f52314073a Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 2 Feb 2018 17:54:11 -0800
Subject: [PATCH 0947/1326] Add CMakeLists.txt to dist files for subset test.

---
 test/subset/Makefile.am | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/subset/Makefile.am b/test/subset/Makefile.am
index dfc312e65..336d33dfb 100644
--- a/test/subset/Makefile.am
+++ b/test/subset/Makefile.am
@@ -10,6 +10,7 @@ lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
 
 EXTRA_DIST += \
+	CMakeLists.txt \
 	run-tests.py \
 	subset_test_suite.py \
 	$(NULL)

From edcd3b80e9617ec8c4c4a55536938fb510b6aeba Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Sun, 4 Feb 2018 12:31:24 -0800
Subject: [PATCH 0948/1326] Actually call hb_subset

---
 util/hb-subset.cc | 53 +++++++++++++++++++++++++++++++----------------
 1 file changed, 35 insertions(+), 18 deletions(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 3dda92194..808cb04f2 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -28,6 +28,7 @@
 #include <unistd.h>
 
 #include "main-font-text.hh"
+#include "hb-subset.h"
 
 /*
  * Command line interface to the harfbuzz font subsetter.
@@ -51,28 +52,44 @@ struct subset_consumer_t
   {
   }
 
+  hb_bool_t 
+  write_file (const char *output_file, hb_blob_t *blob) {    
+    unsigned int data_length;
+    const char* data = hb_blob_get_data (blob, &data_length);
+
+    int fd_out = open(output_file, O_CREAT | O_WRONLY, S_IRWXU);
+    if (fd_out == -1) {
+      fprintf(stderr, "Unable to open output file");
+      return false;
+    }
+    ssize_t bytes_written = write(fd_out, data, data_length);
+    if (bytes_written == -1) {
+      fprintf(stderr, "Unable to write output file\n");
+      return false;
+    }
+    if (bytes_written != data_length) {
+      fprintf(stderr, "Expected %u bytes written, got %ld\n", data_length, 
+              bytes_written);
+      return false;
+    } 
+    return true;
+  }
+
   void finish (const font_options_t *font_opts)
   {
-    hb_face_t *face = hb_font_get_face (font);
-    hb_blob_t *result = hb_face_reference_blob (face);
-    unsigned int data_length;
-    const char* data = hb_blob_get_data (result, &data_length);
+    // TODO(Q1) check for errors from creates and such
+    hb_subset_profile_t *subset_profile = hb_subset_profile_create();
+    hb_subset_input_t *subset_input = hb_subset_input_create();
+    hb_face_t *face = hb_font_get_face (font);    
+    hb_subset_face_t *subset_face = hb_subset_face_create(face);
 
-    int fd_out = open(options.output_file, O_CREAT | O_WRONLY, S_IRWXU);
-    if (fd_out != -1) {
-      ssize_t bytes_written = write(fd_out, data, data_length);
-      if (bytes_written == -1) {
-        fprintf(stderr, "Unable to write output file");
-        failed = true;
-      } else if (bytes_written != data_length) {
-        fprintf(stderr, "Wrong number of bytes written");
-        failed = true;
-      }
-    } else {
-      fprintf(stderr, "Unable to open output file");
-      failed = true;
-    }
+    hb_blob_t *result = nullptr;
+    failed = !(hb_subset(subset_profile, subset_input, subset_face, &result)
+               && write_file(options.output_file, result));
 
+    hb_subset_profile_destroy (subset_profile);
+    hb_subset_input_destroy (subset_input);
+    hb_subset_face_destroy (subset_face);
     hb_blob_destroy (result);
     hb_font_destroy (font);
   }

From 54e6efadd6a30587736858d3fb497ed4e5e5f252 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 14:58:02 -0500
Subject: [PATCH 0949/1326] [aat] Fix unsafe-to-break

At any position, if state is not zero, mark unsafe-to-break before,
unless we can reason it safe.

At any position, if there's an action entry for end-of-text, mark
unsafe to break.

Also changes buffer diff impl to allow for flag differences as long
as the buffer glyph flags are superset of reference glyph flags.

With this, all MORX tests pass.
---
 src/hb-aat-layout-common-private.hh | 31 ++++++++++++++++++++-----
 src/hb-aat-layout-morx-table.hh     | 35 +++++++++++++++++++----------
 src/hb-buffer.cc                    |  2 +-
 3 files changed, 49 insertions(+), 19 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 1ea8318fb..74f9fdb0d 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -614,8 +614,7 @@ struct StateTableDriver
 			   hb_face_t *face_) :
 	      machine (machine_),
 	      buffer (buffer_),
-	      num_glyphs (face_->get_num_glyphs ()),
-	      last_zero (0) {}
+	      num_glyphs (face_->get_num_glyphs ()) {}
 
   template <typename context_t>
   inline void drive (context_t *c)
@@ -629,9 +628,6 @@ struct StateTableDriver
     bool last_was_dont_advance = false;
     for (buffer->idx = 0;;)
     {
-      if (!state)
-	last_zero = buffer->idx;
-
       unsigned int klass = buffer->idx < buffer->len ?
 			   machine.get_class (info[buffer->idx].codepoint, num_glyphs) :
 			   0 /* End of text */;
@@ -639,6 +635,30 @@ struct StateTableDriver
       if (unlikely (!entry))
 	break;
 
+      /* Unsafe-to-break before this if not in state 0, as things might
+       * go differently if we start from state 0 here. */
+      if (state && buffer->idx)
+      {
+	/* Special-case easy cases: if starting here at state 0 is not
+	 * actionable, and leads to the same next state, then it's safe.
+	 * Let's hope...  Maybe disable the conditional later, if proves
+	 * insufficient. */
+	const Entry<EntryData> *start_entry = machine.get_entryZ (0, klass);
+	if (start_entry->newState != entry->newState ||
+	    (start_entry->flags & context_t::DontAdvance) != (entry->flags & context_t::DontAdvance) ||
+	    c->is_actionable (this, entry) ||
+	    c->is_actionable (this, start_entry))
+	  buffer->unsafe_to_break (buffer->idx - 1, buffer->idx + 1);
+      }
+
+      /* Unsafe-to-break if end-of-text would kick in here. */
+      if (buffer->idx + 2 <= buffer->len)
+      {
+	const Entry<EntryData> *end_entry = machine.get_entryZ (state, 0);
+	if (c->is_actionable (this, end_entry))
+	  buffer->unsafe_to_break (buffer->idx, buffer->idx + 2);
+      }
+
       if (unlikely (!c->transition (this, entry)))
         break;
 
@@ -665,7 +685,6 @@ struct StateTableDriver
   const StateTable<EntryData> &machine;
   hb_buffer_t *buffer;
   unsigned int num_glyphs;
-  unsigned int last_zero;
 };
 
 
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 1f8ac4064..4e75dd3a7 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -58,9 +58,13 @@ struct RearrangementSubtable
 
     inline driver_context_t (const RearrangementSubtable *table) :
 	ret (false),
-	start (0), end (0),
-	last_zero_before_start (0) {}
+	start (0), end (0) {}
 
+    inline bool is_actionable (StateTableDriver<void> *driver,
+			       const Entry<void> *entry)
+    {
+      return (entry->flags & Verb) && start < end;
+    }
     inline bool transition (StateTableDriver<void> *driver,
 			    const Entry<void> *entry)
     {
@@ -68,10 +72,7 @@ struct RearrangementSubtable
       unsigned int flags = entry->flags;
 
       if (flags & MarkFirst)
-      {
 	start = buffer->idx;
-	last_zero_before_start = driver->last_zero;
-      }
 
       if (flags & MarkLast)
 	end = MIN (buffer->idx + 1, buffer->len);
@@ -110,7 +111,7 @@ struct RearrangementSubtable
 
 	if (end - start >= l + r)
 	{
-	  buffer->unsafe_to_break (last_zero_before_start, MIN (buffer->idx + 1, buffer->len));
+	  buffer->merge_clusters (start, MIN (buffer->idx + 1, buffer->len));
 	  buffer->merge_clusters (start, end);
 
 	  hb_glyph_info_t *info = buffer->info;
@@ -147,7 +148,6 @@ struct RearrangementSubtable
     private:
     unsigned int start;
     unsigned int end;
-    unsigned int last_zero_before_start;
   };
 
   inline bool apply (hb_aat_apply_context_t *c) const
@@ -200,9 +200,18 @@ struct ContextualSubtable
 	ret (false),
 	mark_set (false),
 	mark (0),
-	last_zero_before_mark (0),
 	subs (table+table->substitutionTables) {}
 
+    inline bool is_actionable (StateTableDriver<EntryData> *driver,
+			       const Entry<EntryData> *entry)
+    {
+      hb_buffer_t *buffer = driver->buffer;
+
+      if (buffer->idx == buffer->len && !mark_set)
+        return false;
+
+      return entry->data.markIndex != 0xFFFF || entry->data.currentIndex != 0xFFFF;
+    }
     inline bool transition (StateTableDriver<EntryData> *driver,
 			    const Entry<EntryData> *entry)
     {
@@ -220,7 +229,7 @@ struct ContextualSubtable
 	const GlyphID *replacement = lookup.get_value (info[mark].codepoint, driver->num_glyphs);
 	if (replacement)
 	{
-	  buffer->unsafe_to_break (last_zero_before_mark, MIN (buffer->idx + 1, buffer->len));
+	  buffer->unsafe_to_break (mark, MIN (buffer->idx + 1, buffer->len));
 	  info[mark].codepoint = *replacement;
 	  ret = true;
 	}
@@ -233,7 +242,6 @@ struct ContextualSubtable
 	const GlyphID *replacement = lookup.get_value (info[idx].codepoint, driver->num_glyphs);
 	if (replacement)
 	{
-	  buffer->unsafe_to_break (driver->last_zero, idx + 1);
 	  info[idx].codepoint = *replacement;
 	  ret = true;
 	}
@@ -243,7 +251,6 @@ struct ContextualSubtable
       {
 	mark_set = true;
 	mark = buffer->idx;
-	last_zero_before_mark = driver->last_zero;
       }
 
       return true;
@@ -254,7 +261,6 @@ struct ContextualSubtable
     private:
     bool mark_set;
     unsigned int mark;
-    unsigned int last_zero_before_mark;
     const UnsizedOffsetListOf<Lookup<GlyphID>, HBUINT32> &subs;
   };
 
@@ -344,6 +350,11 @@ struct LigatureSubtable
 	ligature (table+table->ligature),
 	match_length (0) {}
 
+    inline bool is_actionable (StateTableDriver<EntryData> *driver,
+			       const Entry<EntryData> *entry)
+    {
+      return !!(entry->flags & PerformAction);
+    }
     inline bool transition (StateTableDriver<EntryData> *driver,
 			    const Entry<EntryData> *entry)
     {
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 7ead43b01..7fb000dd3 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1933,7 +1933,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
       result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH;
     if (buf_info->cluster != ref_info->cluster)
       result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
-    if ((buf_info->mask & HB_GLYPH_FLAG_DEFINED) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
+    if ((buf_info->mask & HB_GLYPH_FLAG_DEFINED) & (ref_info->mask & HB_GLYPH_FLAG_DEFINED) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
       result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH;
     if (contains && ref_info->codepoint == dottedcircle_glyph)
       result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;

From 3615f344ec00059972d8ce75522022b5294764a7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 17:19:58 -0500
Subject: [PATCH 0950/1326] [test/text-rendering-tests] Update from upstream

---
 test/shaping/data/text-rendering-tests/DISABLED  |   1 +
 .../data/text-rendering-tests/Makefile.sources   |   3 ++-
 .../fonts/TestMORXTwentythree.ttf                | Bin 0 -> 1836 bytes
 .../text-rendering-tests/tests/MORX-23.tests     |   1 +
 4 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTwentythree.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-23.tests

diff --git a/test/shaping/data/text-rendering-tests/DISABLED b/test/shaping/data/text-rendering-tests/DISABLED
index 1439d43fa..51174553b 100644
--- a/test/shaping/data/text-rendering-tests/DISABLED
+++ b/test/shaping/data/text-rendering-tests/DISABLED
@@ -23,6 +23,7 @@ tests/MORX-19.tests
 tests/MORX-20.tests
 tests/MORX-21.tests
 tests/MORX-22.tests
+tests/MORX-23.tests
 
 # Rounding differences
 tests/SHARAN-1.tests
diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index c28487f8e..b12f17337 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -43,10 +43,11 @@ DISBALED_TESTS = \
 	tests/MORX-17.tests \
 	tests/MORX-18.tests \
 	tests/MORX-19.tests \
+	tests/MORX-1.tests \
 	tests/MORX-20.tests \
 	tests/MORX-21.tests \
 	tests/MORX-22.tests \
-	tests/MORX-1.tests \
+	tests/MORX-23.tests \
 	tests/MORX-2.tests \
 	tests/MORX-3.tests \
 	tests/MORX-4.tests \
diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentythree.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentythree.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..df34912d476c160172c6877ac725d19fe0670c37
GIT binary patch
literal 1836
zcmbVMUu=_A6hHTN>&HaaHETQnEaa>0I!rb;+pUbHkriaYP+GTcV-f85ww6`Xu1njo
z?LpLJ=vXw22MrOHAOQ^z#suYogcl?R(gnkVF+MPiA_<SgAc-++{hhC0$!2^o-kbB?
zbIv_~e&^i#T@pmJk=`W}wMU|D-ehBPnn-j(duS}JP0|b<g!~QUz<6r*u;r7E--skc
zv5-t?@!A{Tw?McG@+YA%e<1FGe*|(T)A^aYZ^hTJJq5Wjl^N4Si#QAUA>_KWHZw^_
zs0Z>hkkxc1JEOJ-k;{Ar^5TS+PVDF!u@ad+M9#aDnOvSW(Ru8ru-{IM9kl(u-|vrD
z0)LRn^Z*+A@#ws&uOG`8QR%T<l0QIJblAKBAJc;pYLw?#l1q9d-l+^l*C^yfUw8=k
zZl-E*aa~3L(;l%1%?7z3hoReBUPX+&f;*xc8@B6~!M*##s9B}mCKVWN0`pB6a4jSr
zN$#WyWcw+`apgOpENOCpyg;kT7SdqB2f)Z|__C*ss%Q&VGgiim=%o^5m4c;G>6g+q
z-3kf}JEotKv`Amkcd$i|#GkT&ND5KC)9P%pI;}Brx|k5j;<7BP`h7CKdPdJl@~FH8
zI}1^hQ*jBOaG5-wX0xLB#B%Ze-~rLlCme5FQ*4T*uJ6~C6?tpbC#!8QKO1QK2^oN0
z4j@-8H2@n4ufuLLD|Y_6T-JK8zq7;Ra@nmugA=U_$9i|3oy-4qcX&_qz>&q*BmJ@C
zvd}-WBl>jp^NZSBvQWIeJ<#28uXw4qClExPUYvLsC(d`uY_~al-fecX+4X{_v%~NA
zc^wUk$0h7@Z_n<FZ5itR?2Fe<r?w?tbPt8(u}|NhKh+qv)L#EGec_<P7HZ~BGv*~=
z-axpCZpMiqb`NmsFy+$qOE>PEzdEuoH>I6CdF6^MT)udGe)aZ=kN8yKEgr&qBazSQ
zv{$AkP864gtGFUMWg+r&xD?@|p&H8aiB{Es4}i+NAP=N6FVVYEgRjClP8z%!{O1N=
zL(kD2gWn`J(_@3LrLfd*4C2?*Q*xAcQ3erak@Za)$DPRIR4#(N_`6=BE^vc1fxR)<
z#VJ88(7X!G7;U8i$T@iIqX_lWFyv`yCZL%GB@r`$*$*10DN3Oe+5hOH{x7fAe|SZa
zF$bhctSaq9c1=gfD3Yit2W>CvV#F#%!5s!St>a8UQ?^Ly)pK1rR1$}N3Ox5B3!dv_
z+bFsc!Wuz0*>-K@(7FgJ4e7o)XgRlvK5x}YU4v_V)(RF4ucZb*?&T=HoOv2Dqfnva
ztU>D2`8;)F<rB>VQ#Z9?ayR&-C!xzBD`QAu%|JVj{RsR+PkeHQ7vGR_{TbArMU2E6
zpY=#{PolIMbp_G+UGxg=#%<<T3!`)y_v_yV-XGjlH#OnDH{(4k+Y4x!=0U6xc;k2o
yylni&@m^&dQp+;y__ely+@N+)5B^{Y-^zr_7)FG0ydKh{670(MCUDhwS?O;_07AY1

literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-23.tests b/test/shaping/data/text-rendering-tests/tests/MORX-23.tests
new file mode 100644
index 000000000..9575a8061
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-23.tests
@@ -0,0 +1 @@
+../fonts/TestMORXTwentythree.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[E|E@556,0|E@1112,0|E@1668,0|E@2224,0]

From eac20e459564134e0087497ed76b1c84195ad7e3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 20:08:50 -0500
Subject: [PATCH 0951/1326] [subset] Minor

---
 util/Makefile.am      |  2 +-
 util/Makefile.sources |  2 +-
 util/hb-subset.cc     | 10 +++++-----
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/util/Makefile.am b/util/Makefile.am
index cd5e31cbc..283dd91ff 100644
--- a/util/Makefile.am
+++ b/util/Makefile.am
@@ -46,7 +46,7 @@ endif # HAVE_FREETYPE
 hb_shape_SOURCES = $(HB_SHAPE_sources)
 bin_PROGRAMS += hb-shape
 
-hb_subset_SOURCES = $(HB_SUBSET_CLI_sources)
+hb_subset_SOURCES = $(HB_SUBSET_sources)
 bin_PROGRAMS += hb-subset
 
 if HAVE_OT
diff --git a/util/Makefile.sources b/util/Makefile.sources
index 6c815d26b..c4516ebcb 100644
--- a/util/Makefile.sources
+++ b/util/Makefile.sources
@@ -29,7 +29,7 @@ HB_OT_SHAPE_CLOSURE_sources = \
 	main-font-text.hh \
 	$(NULL)
 
-HB_SUBSET_CLI_sources = \
+HB_SUBSET_sources = \
 	hb-subset.cc \
 	options.cc \
 	options.hh \
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 808cb04f2..21d0f767b 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -52,8 +52,8 @@ struct subset_consumer_t
   {
   }
 
-  hb_bool_t 
-  write_file (const char *output_file, hb_blob_t *blob) {    
+  hb_bool_t
+  write_file (const char *output_file, hb_blob_t *blob) {
     unsigned int data_length;
     const char* data = hb_blob_get_data (blob, &data_length);
 
@@ -68,10 +68,10 @@ struct subset_consumer_t
       return false;
     }
     if (bytes_written != data_length) {
-      fprintf(stderr, "Expected %u bytes written, got %ld\n", data_length, 
+      fprintf(stderr, "Expected %u bytes written, got %ld\n", data_length,
               bytes_written);
       return false;
-    } 
+    }
     return true;
   }
 
@@ -80,7 +80,7 @@ struct subset_consumer_t
     // TODO(Q1) check for errors from creates and such
     hb_subset_profile_t *subset_profile = hb_subset_profile_create();
     hb_subset_input_t *subset_input = hb_subset_input_create();
-    hb_face_t *face = hb_font_get_face (font);    
+    hb_face_t *face = hb_font_get_face (font);
     hb_subset_face_t *subset_face = hb_subset_face_create(face);
 
     hb_blob_t *result = nullptr;

From ae39fc8171b2c26d4ae64954a8055732c9241bcc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 20:18:52 -0500
Subject: [PATCH 0952/1326] [subset] Build hb-subset into separate
 libharfbuzz-subset.so

---
 src/Makefile.am           | 19 +++++++++++++------
 src/harfbuzz-subset.pc.in | 12 ++++++++++++
 util/Makefile.am          |  2 ++
 3 files changed, 27 insertions(+), 6 deletions(-)
 create mode 100644 src/harfbuzz-subset.pc.in

diff --git a/src/Makefile.am b/src/Makefile.am
index dd1c7ae66..59ca64827 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,9 +27,7 @@ HBNONPCLIBS =
 HBDEPS =
 HBSOURCES =  $(HB_BASE_sources)
 HBSOURCES += $(HB_BASE_RAGEL_GENERATED_sources)
-HBSOURCES += $(HB_SUBSET_sources)
 HBHEADERS = $(HB_BASE_headers)
-HBHEADERS += $(HB_SUBSET_headers)
 HBNODISTHEADERS = $(HB_NODIST_headers)
 
 if HAVE_OT
@@ -137,6 +135,15 @@ pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = harfbuzz.pc
 EXTRA_DIST += harfbuzz.pc.in
 
+lib_LTLIBRARIES += libharfbuzz-subset.la
+libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
+libharfbuzz_subset_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS)
+libharfbuzz_subset_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
+libharfbuzz_subset_la_LIBADD = libharfbuzz.la
+pkginclude_HEADERS += $(HB_SUBSET_headers)
+pkgconfig_DATA += harfbuzz-subset.pc
+EXTRA_DIST += harfbuzz-subset.pc.in
+
 FUZZING_CPPFLAGS = \
 	-DHB_NDEBUG \
 	-DHB_MAX_NESTING_LEVEL=3 \
@@ -166,8 +173,8 @@ HBHEADERS += $(HB_ICU_headers)
 else
 lib_LTLIBRARIES += libharfbuzz-icu.la
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
-libharfbuzz_icu_la_CPPFLAGS = $(ICU_CFLAGS)
-libharfbuzz_icu_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(HB_LIBTOOL_VERSION_INFO) -no-undefined
+libharfbuzz_icu_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(ICU_CFLAGS)
+libharfbuzz_icu_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
 libharfbuzz_icu_la_LIBADD = $(ICU_LIBS) libharfbuzz.la
 pkginclude_HEADERS += $(HB_ICU_headers)
 pkgconfig_DATA += harfbuzz-icu.pc
@@ -179,8 +186,8 @@ if HAVE_GOBJECT
 lib_LTLIBRARIES += libharfbuzz-gobject.la
 libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_sources)
 nodist_libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_ENUM_sources)
-libharfbuzz_gobject_la_CPPFLAGS = $(GOBJECT_CFLAGS)
-libharfbuzz_gobject_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(HB_LIBTOOL_VERSION_INFO) -no-undefined
+libharfbuzz_gobject_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(GOBJECT_CFLAGS)
+libharfbuzz_gobject_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
 libharfbuzz_gobject_la_LIBADD = $(GOBJECT_LIBS) libharfbuzz.la
 pkginclude_HEADERS += $(HB_GOBJECT_headers)
 nodist_pkginclude_HEADERS += $(HB_GOBJECT_ENUM_headers)
diff --git a/src/harfbuzz-subset.pc.in b/src/harfbuzz-subset.pc.in
new file mode 100644
index 000000000..5da64b3f1
--- /dev/null
+++ b/src/harfbuzz-subset.pc.in
@@ -0,0 +1,12 @@
+prefix=%prefix%
+exec_prefix=%exec_prefix%
+libdir=%libdir%
+includedir=%includedir%
+
+Name: harfbuzz
+Description: HarfBuzz font subsetter
+Version: %VERSION%
+
+Requires: harfbuzz
+Libs: -L${libdir} -lharfbuzz-subset
+Cflags: -I${includedir}/harfbuzz
diff --git a/util/Makefile.am b/util/Makefile.am
index 283dd91ff..3810e15e5 100644
--- a/util/Makefile.am
+++ b/util/Makefile.am
@@ -47,6 +47,8 @@ hb_shape_SOURCES = $(HB_SHAPE_sources)
 bin_PROGRAMS += hb-shape
 
 hb_subset_SOURCES = $(HB_SUBSET_sources)
+hb_subset_SOURCES = $(HB_SUBSET_sources)
+hb_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 bin_PROGRAMS += hb-subset
 
 if HAVE_OT

From 5f6eb1256fb6c251303d3728fc27875fe7a9ffb8 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 10:23:38 -0800
Subject: [PATCH 0953/1326] Add libharfbuzz-subset.la to linking when building
 api tests.

---
 test/api/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 99849fc99..d1d9b222b 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -14,7 +14,7 @@ EXTRA_DIST += CMakeLists.txt
 
 if HAVE_GLIB
 AM_CPPFLAGS = -DSRCDIR="\"$(srcdir)\"" -I$(top_srcdir)/src/ -I$(top_builddir)/src/ $(GLIB_CFLAGS)
-LDADD = $(top_builddir)/src/libharfbuzz.la $(GLIB_LIBS)
+LDADD = $(top_builddir)/src/libharfbuzz.la $(top_builddir)/src/libharfbuzz-subset.la $(GLIB_LIBS)
 
 EXTRA_DIST += hb-test.h
 

From e428f7b1c21e0a7d6b9af507d98031b8eebcbeb5 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 10:24:16 -0800
Subject: [PATCH 0954/1326] Wrap unistd.h include in ifdef.

---
 util/hb-subset.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 21d0f767b..2306e66ad 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -25,7 +25,9 @@
  * Google Author(s): Garret Rieger, Rod Sheeter
  */
 
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 
 #include "main-font-text.hh"
 #include "hb-subset.h"

From fc04f11ce1999da042a39c5b271351223033292f Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 11:12:33 -0800
Subject: [PATCH 0955/1326] Rename HB_SUBSET_sources -> HB_SUBSET_CLI_sources
 to match what cmake is looking for.

---
 util/Makefile.am      | 3 +--
 util/Makefile.sources | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/util/Makefile.am b/util/Makefile.am
index 3810e15e5..d4ab9cdc5 100644
--- a/util/Makefile.am
+++ b/util/Makefile.am
@@ -46,8 +46,7 @@ endif # HAVE_FREETYPE
 hb_shape_SOURCES = $(HB_SHAPE_sources)
 bin_PROGRAMS += hb-shape
 
-hb_subset_SOURCES = $(HB_SUBSET_sources)
-hb_subset_SOURCES = $(HB_SUBSET_sources)
+hb_subset_SOURCES = $(HB_SUBSET_CLI_sources)
 hb_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 bin_PROGRAMS += hb-subset
 
diff --git a/util/Makefile.sources b/util/Makefile.sources
index c4516ebcb..6c815d26b 100644
--- a/util/Makefile.sources
+++ b/util/Makefile.sources
@@ -29,7 +29,7 @@ HB_OT_SHAPE_CLOSURE_sources = \
 	main-font-text.hh \
 	$(NULL)
 
-HB_SUBSET_sources = \
+HB_SUBSET_CLI_sources = \
 	hb-subset.cc \
 	options.cc \
 	options.hh \

From c25898eb54217e2a1c681233a6b9adcd7940652e Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 14:35:32 -0800
Subject: [PATCH 0956/1326] Switch to fopen() instead of open() in subset test.
 open wasn't compiling on windows.

---
 util/hb-subset.cc | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 2306e66ad..3ae0ceeb0 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -25,9 +25,7 @@
  * Google Author(s): Garret Rieger, Rod Sheeter
  */
 
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+#include <stdio.h>
 
 #include "main-font-text.hh"
 #include "hb-subset.h"
@@ -59,12 +57,13 @@ struct subset_consumer_t
     unsigned int data_length;
     const char* data = hb_blob_get_data (blob, &data_length);
 
-    int fd_out = open(output_file, O_CREAT | O_WRONLY, S_IRWXU);
-    if (fd_out == -1) {
-      fprintf(stderr, "Unable to open output file");
+    FILE *fp_out = fopen(output_file, "w");
+    if (fp_out == nullptr) {
+      fprintf(stderr, "Unable to open output file\n");
       return false;
     }
-    ssize_t bytes_written = write(fd_out, data, data_length);
+    ssize_t bytes_written = fwrite(data, 1, data_length, fp_out);
+
     if (bytes_written == -1) {
       fprintf(stderr, "Unable to write output file\n");
       return false;

From 2ea228935d41b55fed45b7423b69bc15b42e3abc Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 15:10:01 -0800
Subject: [PATCH 0957/1326] ssize_t -> size_t

---
 util/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 3ae0ceeb0..ef70a2dcb 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -62,7 +62,7 @@ struct subset_consumer_t
       fprintf(stderr, "Unable to open output file\n");
       return false;
     }
-    ssize_t bytes_written = fwrite(data, 1, data_length, fp_out);
+    size_t bytes_written = fwrite(data, 1, data_length, fp_out);
 
     if (bytes_written == -1) {
       fprintf(stderr, "Unable to write output file\n");

From 0ff007daaa471d05cc0473beec4ba4d434b084b1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 4 Feb 2018 20:22:07 -0500
Subject: [PATCH 0958/1326] [subset] Minor

---
 src/hb-subset.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/hb-subset.h b/src/hb-subset.h
index 84c0c3c20..969cf5d2c 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -24,15 +24,10 @@
  * Google Author(s): Rod Sheeter
  */
 
-#ifndef HB_H_IN
-#error "Include <hb.h> instead."
-#endif
-
 #ifndef HB_SUBSET_H
 #define HB_SUBSET_H
 
-#include "hb-common.h"
-#include "hb-face.h"
+#include "hb.h"
 
 HB_BEGIN_DECLS
 

From b7b7f0ac59ec85b224e13d9e6c3c4063e731ad32 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 5 Feb 2018 19:40:31 -0500
Subject: [PATCH 0959/1326] [test] Minor

---
 test/api/Makefile.am | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index d1d9b222b..d596c38d8 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -14,7 +14,7 @@ EXTRA_DIST += CMakeLists.txt
 
 if HAVE_GLIB
 AM_CPPFLAGS = -DSRCDIR="\"$(srcdir)\"" -I$(top_srcdir)/src/ -I$(top_builddir)/src/ $(GLIB_CFLAGS)
-LDADD = $(top_builddir)/src/libharfbuzz.la $(top_builddir)/src/libharfbuzz-subset.la $(GLIB_LIBS)
+LDADD = $(top_builddir)/src/libharfbuzz.la $(GLIB_LIBS)
 
 EXTRA_DIST += hb-test.h
 
@@ -34,6 +34,8 @@ TEST_PROGS = \
 	test-version \
 	$(NULL)
 
+test_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
+
 test_unicode_CPPFLAGS = \
 	$(AM_CPPFLAGS) \
 	$(GLIB_CFLAGS) \

From f41b92134a276716b7e2d7ef54996b30f36a10a9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 5 Feb 2018 19:51:09 -0500
Subject: [PATCH 0960/1326] Fix fallthrough compiler warning with gcc >= 7

Fixes https://github.com/harfbuzz/harfbuzz/issues/755
---
 src/hb-private.hh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index eba797cfc..53ed11c81 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -154,6 +154,9 @@ extern "C" void  hb_free_impl(void *ptr);
 #if defined(__clang__) && __cplusplus >= 201103L
    /* clang's fallthrough annotations are only available starting in C++11. */
 #  define HB_FALLTHROUGH [[clang::fallthrough]]
+#elif __GNUC__ >= 7
+   /* GNU fallthrough attribute is available from GCC7 */
+#  define HB_FALLTHROUGH __attribute__((fallthrough))
 #elif defined(_MSC_VER)
    /*
     * MSVC's __fallthrough annotations are checked by /analyze (Code Analysis):

From 70e13ade81a2a09e17d75bdc7e3fe45d8ec9e2c6 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 6 Feb 2018 13:20:38 +0330
Subject: [PATCH 0961/1326] [subset] Fix Windows issue on endlines (#756)

---
 util/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index ef70a2dcb..27398ab09 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -57,7 +57,7 @@ struct subset_consumer_t
     unsigned int data_length;
     const char* data = hb_blob_get_data (blob, &data_length);
 
-    FILE *fp_out = fopen(output_file, "w");
+    FILE *fp_out = fopen(output_file, "wb");
     if (fp_out == nullptr) {
       fprintf(stderr, "Unable to open output file\n");
       return false;

From d49ae5154e0b069ffa2605ea3f66abb583319ec8 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 6 Feb 2018 13:48:10 +0330
Subject: [PATCH 0962/1326] Fix hb-buffer logic error

---
 src/hb-buffer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 7fb000dd3..c2463612c 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1933,7 +1933,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
       result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH;
     if (buf_info->cluster != ref_info->cluster)
       result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
-    if ((buf_info->mask & HB_GLYPH_FLAG_DEFINED) & (ref_info->mask & HB_GLYPH_FLAG_DEFINED) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
+    if (((buf_info->mask & HB_GLYPH_FLAG_DEFINED) & (ref_info->mask & HB_GLYPH_FLAG_DEFINED)) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
       result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH;
     if (contains && ref_info->codepoint == dottedcircle_glyph)
       result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;

From cc1e0840baed881f2bfd8468a9645bfe94f47303 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 6 Feb 2018 10:20:48 -0500
Subject: [PATCH 0963/1326] [buffer] Tweak diff re glyph_flags again

We expect the buffer to have no flags that the reference doesn't...
Meh. Makes MORX tests pass now. Need to better define the behavior.
---
 src/hb-buffer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index c2463612c..dc0639f4f 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -1933,7 +1933,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
       result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH;
     if (buf_info->cluster != ref_info->cluster)
       result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
-    if (((buf_info->mask & HB_GLYPH_FLAG_DEFINED) & (ref_info->mask & HB_GLYPH_FLAG_DEFINED)) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
+    if ((buf_info->mask & ~ref_info->mask & HB_GLYPH_FLAG_DEFINED))
       result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH;
     if (contains && ref_info->codepoint == dottedcircle_glyph)
       result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;

From f49256d80f19bc265e6a197719345313ba26f9d6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 6 Feb 2018 11:39:36 -0500
Subject: [PATCH 0964/1326] [aat] Simplify unsafe-to-break logic

---
 src/hb-aat-layout-common-private.hh | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index 74f9fdb0d..b91634ab2 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -639,15 +639,10 @@ struct StateTableDriver
        * go differently if we start from state 0 here. */
       if (state && buffer->idx)
       {
-	/* Special-case easy cases: if starting here at state 0 is not
-	 * actionable, and leads to the same next state, then it's safe.
-	 * Let's hope...  Maybe disable the conditional later, if proves
-	 * insufficient. */
+	/* If starting here at state 0 has the exact same entry, it's safe
+	 * to break as before as far as we are concerned. */
 	const Entry<EntryData> *start_entry = machine.get_entryZ (0, klass);
-	if (start_entry->newState != entry->newState ||
-	    (start_entry->flags & context_t::DontAdvance) != (entry->flags & context_t::DontAdvance) ||
-	    c->is_actionable (this, entry) ||
-	    c->is_actionable (this, start_entry))
+	if (memcmp (start_entry, entry, sizeof (*entry)))
 	  buffer->unsafe_to_break (buffer->idx - 1, buffer->idx + 1);
       }
 

From 2971e9da49d6ac07f8a9a4e9b00e167b800a5c7f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 6 Feb 2018 11:48:04 -0500
Subject: [PATCH 0965/1326] [aat] Adjust unsafe-to-break logic some more

I believe I'm happy with it now.
---
 src/hb-aat-layout-common-private.hh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index b91634ab2..fc04941af 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -639,10 +639,10 @@ struct StateTableDriver
        * go differently if we start from state 0 here. */
       if (state && buffer->idx)
       {
-	/* If starting here at state 0 has the exact same entry, it's safe
-	 * to break as before as far as we are concerned. */
-	const Entry<EntryData> *start_entry = machine.get_entryZ (0, klass);
-	if (memcmp (start_entry, entry, sizeof (*entry)))
+	/* If there's no action and we're just epsilon-transitioning to state 0,
+	 * safe to break. */
+	if (c->is_actionable (this, entry) ||
+	    !(entry->newState == 0 && entry->flags == context_t::DontAdvance))
 	  buffer->unsafe_to_break (buffer->idx - 1, buffer->idx + 1);
       }
 

From 8cb8bfd5b5eff75247cd447f3766294fdff2d644 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 6 Feb 2018 20:40:42 +0330
Subject: [PATCH 0966/1326] [test] Fix test-subset on old distros (#758)

https://developer.gnome.org/glib/stable/glib-Testing.html#g-assert-cmpmem
---
 test/api/test-subset.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index b6986ce2b..33a1ef296 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -26,6 +26,10 @@
 
 #include "hb-test.h"
 
+#ifndef g_assert_cmpmem
+#define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)
+#endif
+
 /* Unit tests for hb-subset.h */
 
 static const char test_data[] = { 0, 0, 1, 0 };

From 126ffdbe95020c04dc61413690febd8a56bf264f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 12:26:41 -0500
Subject: [PATCH 0967/1326] [aat] Fix debug compile

---
 src/hb-aat-layout-common-private.hh | 6 +++++-
 src/hb-aat-layout-morx-table.hh     | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index fc04941af..a421a4cf0 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -698,11 +698,15 @@ struct hb_aat_apply_context_t :
   hb_buffer_t *buffer;
   hb_sanitize_context_t sanitizer;
 
+  /* Unused. For debug tracing only. */
+  unsigned int lookup_index;
+  unsigned int debug_depth;
+
   inline hb_aat_apply_context_t (hb_font_t *font_,
 				 hb_buffer_t *buffer_,
 				 hb_blob_t *table) :
 		font (font_), face (font->face), buffer (buffer_),
-		sanitizer ()
+		sanitizer (), lookup_index (0), debug_depth (0)
   {
     sanitizer.init (table);
     sanitizer.num_glyphs = face->get_num_glyphs ();
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 4e75dd3a7..f16f6a4ad 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -280,7 +280,7 @@ struct ContextualSubtable
   {
     TRACE_SANITIZE (this);
 
-    unsigned int num_entries;
+    unsigned int num_entries = 0;
     if (unlikely (!machine.sanitize (c, &num_entries))) return false;
 
     unsigned int num_lookups = 0;

From 1cfe650f020cf440bf157daa9907bffd6e35bd7a Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 15:22:30 -0800
Subject: [PATCH 0968/1326] Add a basic sketch of hb-subset-plan.

---
 src/Makefile.sources  |  2 ++
 src/hb-subset-plan.cc | 72 +++++++++++++++++++++++++++++++++++++++++++
 src/hb-subset-plan.h  | 49 +++++++++++++++++++++++++++++
 3 files changed, 123 insertions(+)
 create mode 100644 src/hb-subset-plan.cc
 create mode 100644 src/hb-subset-plan.h

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 0b9beb961..eb9cd36ab 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -184,10 +184,12 @@ HB_ICU_headers = hb-icu.h
 # Sources for libharfbuzz-subset
 HB_SUBSET_sources = \
 	hb-subset.cc \
+	hb-subset-plan.cc \
 	$(NULL)
 
 HB_SUBSET_headers = \
 	hb-subset.h \
+	hb-subset-plan.h \
 	$(NULL)
 
 HB_GOBJECT_sources = hb-gobject-structs.cc
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
new file mode 100644
index 000000000..705c17f1c
--- /dev/null
+++ b/src/hb-subset-plan.cc
@@ -0,0 +1,72 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "hb-private.hh"
+
+#include "hb-object-private.hh"
+
+
+struct hb_subset_plan_t {
+  hb_object_header_t header;
+  ASSERT_POD ();
+};
+
+/**
+ * hb_subset_plan_create:
+ * Computes a plan for subsetting the supplied face according
+ * to a provide profile and input. The plan describes
+ * which tables and glyphs should be retained.
+ *
+ * Return value: New plan with default settings.
+ *
+ * Since: 1.7.5
+ **/
+hb_subset_plan_t *
+hb_subset_plan_create (hb_face_t           *face,
+                       hb_subset_profile_t *profile,
+                       hb_subset_input_t   *input)
+{
+  return hb_object_create<hb_subset_plan_t>();
+}
+
+hb_subset_plan_t *
+hb_subset_plan_create_empty ()
+{
+  return hb_object_create<hb_subset_plan_t>();
+}
+
+/**
+ * hb_subset_plan_destroy:
+ *
+ * Since: 1.7.5
+ **/
+void
+hb_subset_plan_destroy (hb_subset_plan_t *plan)
+{
+  if (!hb_object_destroy (plan)) return;
+
+  free (plan);
+}
diff --git a/src/hb-subset-plan.h b/src/hb-subset-plan.h
new file mode 100644
index 000000000..2fd46ae27
--- /dev/null
+++ b/src/hb-subset-plan.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright © 2018  Google
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef HB_H_IN
+#error "Include <hb.h> instead."
+#endif
+
+#ifndef HB_SUBSET_PLAN_H
+#define HB_SUBSET_PLAN_H
+
+HB_BEGIN_DECLS
+
+typedef struct hb_subset_plan_t hb_subset_plan_t;
+
+HB_EXTERN hb_subset_plan_t *
+hb_subset_plan_create (hb_face_t           *face,
+                       hb_subset_profile_t *profile,
+                       hb_subset_input_t   *input);
+
+HB_EXTERN hb_subset_plan_t *
+hb_subset_plan_create_empty ();
+
+HB_EXTERN void
+hb_subset_plan_destroy (hb_subset_plan_t *plan);
+
+#endif /* HB_SUBSET_PLAN_PRIVATE_HH */

From 7481f0ce21489d2b19b2e33d05358736ddee20bf Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 16:05:12 -0800
Subject: [PATCH 0969/1326] Add codepoints to subset input.

---
 src/hb-subset.cc       | 24 ++++++++++++++++--------
 src/hb-subset.h        |  2 +-
 test/api/test-subset.c |  2 +-
 util/hb-subset.cc      |  2 +-
 4 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 62f7f0ad2..f56217f67 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -38,6 +38,8 @@ struct hb_subset_profile_t {
 struct hb_subset_input_t {
   hb_object_header_t header;
   ASSERT_POD ();
+
+  hb_set_t *codepoints;
 };
 
 struct hb_subset_face_t {
@@ -82,9 +84,14 @@ hb_subset_profile_destroy (hb_subset_profile_t *profile)
  * Since: 1.7.5
  **/
 hb_subset_input_t *
-hb_subset_input_create()
+hb_subset_input_create (hb_set_t *codepoints)
 {
-  return hb_object_create<hb_subset_input_t>();
+  if (unlikely (!codepoints))
+    codepoints = hb_set_get_empty();
+
+  hb_subset_input_t *input = hb_object_create<hb_subset_input_t>();
+  input->codepoints = hb_set_reference(codepoints);
+  return input;
 }
 
 /**
@@ -97,6 +104,7 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
 {
   if (!hb_object_destroy (subset_input)) return;
 
+  hb_set_destroy (subset_input->codepoints);
   free (subset_input);
 }
 
@@ -108,7 +116,7 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
  * Since: 1.7.5
  **/
 hb_subset_face_t *
-hb_subset_face_create(hb_face_t *face)
+hb_subset_face_create (hb_face_t *face)
 {
   if (unlikely (!face))
     face = hb_face_get_empty();
@@ -125,7 +133,7 @@ hb_subset_face_create(hb_face_t *face)
  * Since: 1.7.5
  **/
 void
-hb_subset_face_destroy(hb_subset_face_t *subset_face)
+hb_subset_face_destroy (hb_subset_face_t *subset_face)
 {
   if (!hb_object_destroy (subset_face)) return;
 
@@ -143,10 +151,10 @@ hb_subset_face_destroy(hb_subset_face_t *subset_face)
  * Subsets a font according to provided profile and input.
  **/
 hb_bool_t
-hb_subset(hb_subset_profile_t *profile,
-          hb_subset_input_t *input,
-          hb_subset_face_t *face,
-          hb_blob_t **result /* OUT */)
+hb_subset (hb_subset_profile_t *profile,
+           hb_subset_input_t *input,
+           hb_subset_face_t *face,
+           hb_blob_t **result /* OUT */)
 {
   if (!profile || !input || !face) return false;
 
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 969cf5d2c..47127e035 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -53,7 +53,7 @@ hb_subset_profile_destroy (hb_subset_profile_t *profile);
 typedef struct hb_subset_input_t hb_subset_input_t;
 
 HB_EXTERN hb_subset_input_t *
-hb_subset_input_create ();
+hb_subset_input_create (hb_set_t *codepoints);
 
 HB_EXTERN void
 hb_subset_input_destroy (hb_subset_input_t *subset_input);
diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index 33a1ef296..4841af624 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -42,7 +42,7 @@ test_subset (void)
   hb_face_t *face = hb_face_create(font_blob, 0);
 
   hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create();
+  hb_subset_input_t *input = hb_subset_input_create (hb_set_get_empty ());
   hb_subset_face_t *subset_face = hb_subset_face_create(face);
 
   hb_blob_t *output;
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 27398ab09..2ec0efe36 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -80,7 +80,7 @@ struct subset_consumer_t
   {
     // TODO(Q1) check for errors from creates and such
     hb_subset_profile_t *subset_profile = hb_subset_profile_create();
-    hb_subset_input_t *subset_input = hb_subset_input_create();
+    hb_subset_input_t *subset_input = hb_subset_input_create (hb_set_get_empty ());
     hb_face_t *face = hb_font_get_face (font);
     hb_subset_face_t *subset_face = hb_subset_face_create(face);
 

From af46a4da5a47dd6e0dd98e1740f18e93c337e689 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 17:14:46 -0800
Subject: [PATCH 0970/1326] Move definition of hb_subset_input into
 hb-subset-private.hh.

---
 src/Makefile.sources     |  1 +
 src/hb-subset-plan.cc    |  2 +-
 src/hb-subset-private.hh | 40 ++++++++++++++++++++++++++++++++++++++++
 src/hb-subset.cc         | 12 ++----------
 4 files changed, 44 insertions(+), 11 deletions(-)
 create mode 100644 src/hb-subset-private.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index eb9cd36ab..5e1c4e4f6 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -190,6 +190,7 @@ HB_SUBSET_sources = \
 HB_SUBSET_headers = \
 	hb-subset.h \
 	hb-subset-plan.h \
+	hb-subset-private.hh \
 	$(NULL)
 
 HB_GOBJECT_sources = hb-gobject-structs.cc
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 705c17f1c..7da9dae8f 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -40,7 +40,7 @@ struct hb_subset_plan_t {
  * to a provide profile and input. The plan describes
  * which tables and glyphs should be retained.
  *
- * Return value: New plan with default settings.
+ * Return value: New subset plan.
  *
  * Since: 1.7.5
  **/
diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
new file mode 100644
index 000000000..b38ab0b26
--- /dev/null
+++ b/src/hb-subset-private.hh
@@ -0,0 +1,40 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef HB_SUBSET_PRIVATE_HH
+#define HB_SUBSET_PRIVATE_HH
+
+#include "hb-object-private.hh"
+#include "hb-private.hh"
+
+struct hb_subset_input_t {
+  hb_object_header_t header;
+  ASSERT_POD ();
+
+  hb_set_t *codepoints;
+};
+
+#endif /* HB_SUBSET_PRIVATE_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index f56217f67..fe821e0aa 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -25,23 +25,15 @@
  * Google Author(s): Garret Rieger, Rod Sheeter
  */
 
-#include "hb-private.hh"
-
 #include "hb-object-private.hh"
-
+#include "hb-private.hh"
+#include "hb-subset-private.hh"
 
 struct hb_subset_profile_t {
   hb_object_header_t header;
   ASSERT_POD ();
 };
 
-struct hb_subset_input_t {
-  hb_object_header_t header;
-  ASSERT_POD ();
-
-  hb_set_t *codepoints;
-};
-
 struct hb_subset_face_t {
   hb_object_header_t header;
   ASSERT_POD ();

From 25e9173fe8446735f7e36ec963c7d3554c85631b Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 5 Feb 2018 17:26:25 -0800
Subject: [PATCH 0971/1326] Make hb-subset-plan private.

---
 src/Makefile.sources                        |  2 +-
 src/hb-subset-plan.cc                       | 27 ++++++++++++---------
 src/{hb-subset-plan.h => hb-subset-plan.hh} | 22 ++++++++++-------
 3 files changed, 30 insertions(+), 21 deletions(-)
 rename src/{hb-subset-plan.h => hb-subset-plan.hh} (86%)

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 5e1c4e4f6..0d5af3243 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -189,7 +189,7 @@ HB_SUBSET_sources = \
 
 HB_SUBSET_headers = \
 	hb-subset.h \
-	hb-subset-plan.h \
+	hb-subset-plan.hh \
 	hb-subset-private.hh \
 	$(NULL)
 
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 7da9dae8f..8111d519b 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -24,15 +24,15 @@
  * Google Author(s): Garret Rieger
  */
 
-#include "hb-private.hh"
+#include "hb-subset-plan.hh"
+#include "hb-subset-private.hh"
 
-#include "hb-object-private.hh"
-
-
-struct hb_subset_plan_t {
-  hb_object_header_t header;
-  ASSERT_POD ();
-};
+hb_set_t *
+get_glyph_ids_from_cmap (hb_face_t *face,
+                         hb_set_t  *codepoints)
+{
+  return hb_set_get_empty ();
+}
 
 /**
  * hb_subset_plan_create:
@@ -49,13 +49,17 @@ hb_subset_plan_create (hb_face_t           *face,
                        hb_subset_profile_t *profile,
                        hb_subset_input_t   *input)
 {
-  return hb_object_create<hb_subset_plan_t>();
+  hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
+  plan->glyphs_to_retain = get_glyph_ids_from_cmap (face, input->codepoints);
+  return plan;
 }
 
 hb_subset_plan_t *
-hb_subset_plan_create_empty ()
+hb_subset_plan_get_empty ()
 {
-  return hb_object_create<hb_subset_plan_t>();
+  hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
+  plan->glyphs_to_retain = hb_set_get_empty();
+  return plan;
 }
 
 /**
@@ -68,5 +72,6 @@ hb_subset_plan_destroy (hb_subset_plan_t *plan)
 {
   if (!hb_object_destroy (plan)) return;
 
+  hb_set_destroy (plan->glyphs_to_retain);
   free (plan);
 }
diff --git a/src/hb-subset-plan.h b/src/hb-subset-plan.hh
similarity index 86%
rename from src/hb-subset-plan.h
rename to src/hb-subset-plan.hh
index 2fd46ae27..54b1e651d 100644
--- a/src/hb-subset-plan.h
+++ b/src/hb-subset-plan.hh
@@ -24,26 +24,30 @@
  * Google Author(s): Garret Rieger
  */
 
-#ifndef HB_H_IN
-#error "Include <hb.h> instead."
-#endif
-
 #ifndef HB_SUBSET_PLAN_H
 #define HB_SUBSET_PLAN_H
 
-HB_BEGIN_DECLS
+#include "hb-private.hh"
+#include "hb-object-private.hh"
+
+struct hb_subset_plan_t {
+  hb_object_header_t header;
+  ASSERT_POD ();
+
+  hb_set_t *glyphs_to_retain;
+};
 
 typedef struct hb_subset_plan_t hb_subset_plan_t;
 
-HB_EXTERN hb_subset_plan_t *
+hb_subset_plan_t *
 hb_subset_plan_create (hb_face_t           *face,
                        hb_subset_profile_t *profile,
                        hb_subset_input_t   *input);
 
-HB_EXTERN hb_subset_plan_t *
-hb_subset_plan_create_empty ();
+hb_subset_plan_t *
+hb_subset_plan_get_empty ();
 
-HB_EXTERN void
+void
 hb_subset_plan_destroy (hb_subset_plan_t *plan);
 
 #endif /* HB_SUBSET_PLAN_PRIVATE_HH */

From 6c52d94fd11915b76e858bc45633ee60b8c1d8f4 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Tue, 6 Feb 2018 15:31:14 -0800
Subject: [PATCH 0972/1326] capture the set of codepoints passed by --unicodes

---
 util/hb-subset.cc | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 2ec0efe36..67cfed193 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -43,6 +43,7 @@ struct subset_consumer_t
              const font_options_t *font_opts)
   {
     font = hb_font_reference (font_opts->get_font ());
+    codepoints = hb_set_create();
   }
 
   void consume_line (const char   *text,
@@ -50,6 +51,16 @@ struct subset_consumer_t
                      const char   *text_before,
                      const char   *text_after)
   {
+    // text appears to be a g_string when set by --unicodes
+    // TODO(Q1) are gunichar and hbcodepoint_t interchangeable?
+    // TODO(Q1) does this only get called with at least 1 codepoint?
+    gchar *c = (gchar *)text;
+    do {
+      gunichar cp = g_utf8_get_char(c);
+      hb_codepoint_t hb_cp = cp; // TODO(Q1) is this safe?
+      hb_set_add(codepoints, hb_cp);
+      g_print ("  U+%04X %" G_GINT32_FORMAT "\n", cp, cp);
+    } while ((c = g_utf8_find_next_char(c, text + text_len)) != nullptr);
   }
 
   hb_bool_t
@@ -80,16 +91,19 @@ struct subset_consumer_t
   {
     // TODO(Q1) check for errors from creates and such
     hb_subset_profile_t *subset_profile = hb_subset_profile_create();
-    hb_subset_input_t *subset_input = hb_subset_input_create (hb_set_get_empty ());
+    hb_subset_input_t *subset_input = hb_subset_input_create (codepoints);
     hb_face_t *face = hb_font_get_face (font);
     hb_subset_face_t *subset_face = hb_subset_face_create(face);
 
+
+
     hb_blob_t *result = nullptr;
     failed = !(hb_subset(subset_profile, subset_input, subset_face, &result)
                && write_file(options.output_file, result));
 
     hb_subset_profile_destroy (subset_profile);
     hb_subset_input_destroy (subset_input);
+    hb_set_destroy (codepoints);
     hb_subset_face_destroy (subset_face);
     hb_blob_destroy (result);
     hb_font_destroy (font);
@@ -101,6 +115,7 @@ struct subset_consumer_t
   private:
   output_options_t options;
   hb_font_t *font;
+  hb_set_t *codepoints;
 };
 
 int

From 31ec3c2ec41161c6ae75bc91d1c237bf2d245e37 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 6 Feb 2018 15:37:34 -0800
Subject: [PATCH 0973/1326] Create a subset plan in hb_subset.

---
 src/hb-subset.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index fe821e0aa..6ae3ed7a2 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -28,6 +28,7 @@
 #include "hb-object-private.hh"
 #include "hb-private.hh"
 #include "hb-subset-private.hh"
+#include "hb-subset-plan.hh"
 
 struct hb_subset_profile_t {
   hb_object_header_t header;
@@ -150,6 +151,17 @@ hb_subset (hb_subset_profile_t *profile,
 {
   if (!profile || !input || !face) return false;
 
+  hb_subset_plan_t *plan = hb_subset_plan_create (face->face, profile, input);
+
+  // TODO:
+  // - Create initial header + table directory
+  // - Loop through the set of tables to be kept:
+  //   - Perform table specific subsetting if defined.
+  //   - copy the table into the output.
+  // - Fix header + table directory.
+
   *result = hb_face_reference_blob(face->face);
+
+  hb_subset_plan_destroy (plan);
   return true;
 }

From 6a45e5df24ccc59c5a39bf42323c9b550f49e16d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 6 Feb 2018 16:04:09 -0800
Subject: [PATCH 0974/1326] Add skeleton of hb-subset-glyf, call if from
 hb_subset(...)

---
 src/Makefile.sources  |  2 ++
 src/hb-subset-glyf.cc | 45 +++++++++++++++++++++++++++++++++++++++++++
 src/hb-subset-glyf.hh | 37 +++++++++++++++++++++++++++++++++++
 src/hb-subset.cc      | 18 +++++++++++++++--
 4 files changed, 100 insertions(+), 2 deletions(-)
 create mode 100644 src/hb-subset-glyf.cc
 create mode 100644 src/hb-subset-glyf.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 0d5af3243..f2821e3de 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -184,11 +184,13 @@ HB_ICU_headers = hb-icu.h
 # Sources for libharfbuzz-subset
 HB_SUBSET_sources = \
 	hb-subset.cc \
+	hb-subset-glyf.cc \
 	hb-subset-plan.cc \
 	$(NULL)
 
 HB_SUBSET_headers = \
 	hb-subset.h \
+	hb-subset-glyf.hh \
 	hb-subset-plan.hh \
 	hb-subset-private.hh \
 	$(NULL)
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
new file mode 100644
index 000000000..099f506cf
--- /dev/null
+++ b/src/hb-subset-glyf.cc
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "hb-subset-glyf.hh"
+
+/**
+ * hb_subset_glyf:
+ * Subsets the glyph table according to a provided plan.
+ *
+ * Return value: subsetted glyf table.
+ *
+ * Since: 1.7.5
+ **/
+bool
+hb_subset_glyf (hb_subset_plan_t *plan,
+                hb_blob_t *glyf,
+                hb_blob_t **glyf_prime /* OUT */)
+{
+  *glyf_prime = hb_blob_get_empty ();
+
+  return true;
+}
diff --git a/src/hb-subset-glyf.hh b/src/hb-subset-glyf.hh
new file mode 100644
index 000000000..8bb0d8642
--- /dev/null
+++ b/src/hb-subset-glyf.hh
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2018  Google
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef HB_SUBSET_GLYF_H
+#define HB_SUBSET_GLYF_H
+
+#include "hb-subset-plan.hh"
+
+bool
+hb_subset_glyf (hb_subset_plan_t *plan,
+                hb_blob_t        *glyf,
+                hb_blob_t       **glyf_prime /* OUT */);
+
+#endif /* HB_SUBSET_GLYF_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 6ae3ed7a2..7b44d5168 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -27,9 +27,12 @@
 
 #include "hb-object-private.hh"
 #include "hb-private.hh"
+#include "hb-subset-glyf.hh"
 #include "hb-subset-private.hh"
 #include "hb-subset-plan.hh"
 
+#include "hb-ot-glyf-table.hh"
+
 struct hb_subset_profile_t {
   hb_object_header_t header;
   ASSERT_POD ();
@@ -160,8 +163,19 @@ hb_subset (hb_subset_profile_t *profile,
   //   - copy the table into the output.
   // - Fix header + table directory.
 
-  *result = hb_face_reference_blob(face->face);
+  bool success = true;
 
+  hb_blob_t *glyf = hb_face_reference_table (face->face, HB_OT_TAG_glyf);
+  hb_blob_t *glyf_prime = nullptr;
+  if (hb_subset_glyf (plan, glyf, &glyf_prime)) {
+    // TODO: write new glyf to new face.
+  } else {
+    success = false;
+  }
+  hb_blob_destroy (glyf_prime);
+  hb_blob_destroy (glyf);
+
+  *result = hb_face_reference_blob(face->face);
   hb_subset_plan_destroy (plan);
-  return true;
+  return success;
 }

From d0ce3c66e2af2785203f7bbb1d4abca5c226045d Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Tue, 6 Feb 2018 16:58:35 -0800
Subject: [PATCH 0975/1326] Resolve codepoints:glyph ids. Does not compile;
 undefined reference to OT::_hb_NullPool

---
 src/hb-subset-plan.cc    | 25 +++++++++++++++++++------
 src/hb-subset-plan.hh    |  2 +-
 src/hb-subset-private.hh | 17 +++++++++++++++--
 src/hb-subset.cc         | 13 ++++---------
 4 files changed, 39 insertions(+), 18 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 8111d519b..5d23f88b2 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -21,17 +21,30 @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
- * Google Author(s): Garret Rieger
+ * Google Author(s): Garret Rieger, Roderick Sheeter
  */
 
 #include "hb-subset-plan.hh"
 #include "hb-subset-private.hh"
 
+// TODO(Q1) map from old:new gid
 hb_set_t *
-get_glyph_ids_from_cmap (hb_face_t *face,
-                         hb_set_t  *codepoints)
+glyph_ids_to_retain (hb_subset_face_t *face,
+                     hb_set_t  *codepoints)
 {
-  return hb_set_get_empty ();
+  hb_codepoint_t cp = -1;
+  hb_set_t *gids = hb_set_create();
+  while (hb_set_next(codepoints, &cp)) {
+    hb_codepoint_t gid;
+    if (face->cmap.get_nominal_glyph(cp, &gid)) {
+      // TODO(Q1) a nice way to turn on/off logs
+      fprintf(stderr, "gid for U+%04X is %d\n", cp, gid);
+      hb_set_add(gids, cp);
+    } else {
+      fprintf(stderr, "Unable to resolve gid for U+%04X\n", cp);
+    }
+  }
+  return gids;
 }
 
 /**
@@ -45,12 +58,12 @@ get_glyph_ids_from_cmap (hb_face_t *face,
  * Since: 1.7.5
  **/
 hb_subset_plan_t *
-hb_subset_plan_create (hb_face_t           *face,
+hb_subset_plan_create (hb_subset_face_t    *face,
                        hb_subset_profile_t *profile,
                        hb_subset_input_t   *input)
 {
   hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
-  plan->glyphs_to_retain = get_glyph_ids_from_cmap (face, input->codepoints);
+  plan->glyphs_to_retain = glyph_ids_to_retain (face, input->codepoints);
   return plan;
 }
 
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 54b1e651d..6e94a76ff 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -40,7 +40,7 @@ struct hb_subset_plan_t {
 typedef struct hb_subset_plan_t hb_subset_plan_t;
 
 hb_subset_plan_t *
-hb_subset_plan_create (hb_face_t           *face,
+hb_subset_plan_create (hb_subset_face_t    *face,
                        hb_subset_profile_t *profile,
                        hb_subset_input_t   *input);
 
diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index b38ab0b26..eb4147dce 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -21,15 +21,21 @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
- * Google Author(s): Garret Rieger
+ * Google Author(s): Garret Rieger, Roderick Sheeter
  */
 
 #ifndef HB_SUBSET_PRIVATE_HH
 #define HB_SUBSET_PRIVATE_HH
 
-#include "hb-object-private.hh"
+
 #include "hb-private.hh"
 
+#include "hb-ot.h"
+
+#include "hb-font-private.hh"
+
+#include "hb-ot-cmap-table.hh"
+
 struct hb_subset_input_t {
   hb_object_header_t header;
   ASSERT_POD ();
@@ -37,4 +43,11 @@ struct hb_subset_input_t {
   hb_set_t *codepoints;
 };
 
+struct hb_subset_face_t {
+  hb_object_header_t header;
+
+  hb_face_t *face;
+  OT::cmap::accelerator_t cmap;
+};
+
 #endif /* HB_SUBSET_PRIVATE_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 7b44d5168..7108eb871 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -27,6 +27,7 @@
 
 #include "hb-object-private.hh"
 #include "hb-private.hh"
+
 #include "hb-subset-glyf.hh"
 #include "hb-subset-private.hh"
 #include "hb-subset-plan.hh"
@@ -38,14 +39,6 @@ struct hb_subset_profile_t {
   ASSERT_POD ();
 };
 
-struct hb_subset_face_t {
-  hb_object_header_t header;
-  ASSERT_POD ();
-
-  hb_face_t *face;
-};
-
-
 /**
  * hb_subset_profile_create:
  *
@@ -119,6 +112,7 @@ hb_subset_face_create (hb_face_t *face)
 
   hb_subset_face_t *subset_face = hb_object_create<hb_subset_face_t> ();
   subset_face->face = hb_face_reference (face);
+  subset_face->cmap.init(face);
 
   return subset_face;
 }
@@ -133,6 +127,7 @@ hb_subset_face_destroy (hb_subset_face_t *subset_face)
 {
   if (!hb_object_destroy (subset_face)) return;
 
+  subset_face->cmap.fini();
   hb_face_destroy(subset_face->face);
   free (subset_face);
 }
@@ -154,7 +149,7 @@ hb_subset (hb_subset_profile_t *profile,
 {
   if (!profile || !input || !face) return false;
 
-  hb_subset_plan_t *plan = hb_subset_plan_create (face->face, profile, input);
+  hb_subset_plan_t *plan = hb_subset_plan_create (face, profile, input);
 
   // TODO:
   // - Create initial header + table directory

From ef62dfed3fc7cfad7f7ce9292cb3bd1616f09384 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Tue, 6 Feb 2018 17:12:17 -0800
Subject: [PATCH 0976/1326] add back assert_pod

---
 src/hb-subset-private.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index eb4147dce..31fceb470 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -45,6 +45,7 @@ struct hb_subset_input_t {
 
 struct hb_subset_face_t {
   hb_object_header_t header;
+  ASSERT_POD ();
 
   hb_face_t *face;
   OT::cmap::accelerator_t cmap;

From 53aa0e95420c5c3bfe8af21cf7956535d35b06e6 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 6 Feb 2018 17:05:22 -0800
Subject: [PATCH 0977/1326] Add an instance of glyf::accelerator_t to
 hb-subset-glyf.

---
 src/hb-subset-glyf.cc | 13 ++++++++++---
 src/hb-subset-glyf.hh |  2 +-
 src/hb-subset.cc      |  4 +---
 3 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 099f506cf..5a3dff6d9 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -24,6 +24,7 @@
  * Google Author(s): Garret Rieger
  */
 
+#include "hb-ot-glyf-table.hh"
 #include "hb-subset-glyf.hh"
 
 /**
@@ -36,10 +37,16 @@
  **/
 bool
 hb_subset_glyf (hb_subset_plan_t *plan,
-                hb_blob_t *glyf,
-                hb_blob_t **glyf_prime /* OUT */)
+                hb_face_t        *face,
+                hb_blob_t       **glyf_prime /* OUT */)
 {
-  *glyf_prime = hb_blob_get_empty ();
+  OT::glyf::accelerator_t glyf_accelerator;
+  glyf_accelerator.init(face);
 
+  // TODO
+
+  glyf_accelerator.fini();
+
+  *glyf_prime = hb_blob_get_empty ();
   return true;
 }
diff --git a/src/hb-subset-glyf.hh b/src/hb-subset-glyf.hh
index 8bb0d8642..fd217e79c 100644
--- a/src/hb-subset-glyf.hh
+++ b/src/hb-subset-glyf.hh
@@ -31,7 +31,7 @@
 
 bool
 hb_subset_glyf (hb_subset_plan_t *plan,
-                hb_blob_t        *glyf,
+                hb_face_t        *face,
                 hb_blob_t       **glyf_prime /* OUT */);
 
 #endif /* HB_SUBSET_GLYF_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 7108eb871..e8b87ca3f 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -160,15 +160,13 @@ hb_subset (hb_subset_profile_t *profile,
 
   bool success = true;
 
-  hb_blob_t *glyf = hb_face_reference_table (face->face, HB_OT_TAG_glyf);
   hb_blob_t *glyf_prime = nullptr;
-  if (hb_subset_glyf (plan, glyf, &glyf_prime)) {
+  if (hb_subset_glyf (plan, face->face, &glyf_prime)) {
     // TODO: write new glyf to new face.
   } else {
     success = false;
   }
   hb_blob_destroy (glyf_prime);
-  hb_blob_destroy (glyf);
 
   *result = hb_face_reference_blob(face->face);
   hb_subset_plan_destroy (plan);

From 38df1ec8e0b457be9140c67e2c5c19153714d90e Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 7 Feb 2018 07:58:58 -0800
Subject: [PATCH 0978/1326] TEMPORARY: remove HB_INTERNAL from null pool so
 subset builds again

---
 src/hb-open-type-private.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 04e4a4e1b..959f743b9 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -134,7 +134,9 @@ static inline Type& StructAfter(TObject &X)
 
 #define HB_NULL_POOL_SIZE 264
 static_assert (HB_NULL_POOL_SIZE % sizeof (void *) == 0, "Align HB_NULL_POOL_SIZE.");
-extern HB_INTERNAL const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
+// TODO add back HB_INTERNAL once we figure out how to not have that break
+// subset compile
+extern const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
 
 /* Generic nul-content Null objects. */
 template <typename Type>

From ee433d36fa544c3138718cc3f796b29e6df8a195 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 12:30:18 -0500
Subject: [PATCH 0979/1326] [aat] Set debug lookup_index

---
 src/hb-aat-layout-common-private.hh | 2 ++
 src/hb-aat-layout-morx-table.hh     | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index a421a4cf0..e0f59a4ad 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -713,6 +713,8 @@ struct hb_aat_apply_context_t :
     sanitizer.start_processing ();
   }
 
+  inline void set_lookup_index (unsigned int i) { lookup_index = i; }
+
   inline ~hb_aat_apply_context_t (void)
   {
     sanitizer.end_processing ();
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index f16f6a4ad..f8209a600 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -617,6 +617,8 @@ struct Chain
     {
       subtable->apply (c);
       subtable = &StructAfter<ChainSubtable> (*subtable);
+
+      c->set_lookup_index (c->lookup_index + 1);
     }
   }
 
@@ -670,6 +672,7 @@ struct morx
 
   inline void apply (hb_aat_apply_context_t *c) const
   {
+    c->set_lookup_index (0);
     const Chain *chain = chains;
     unsigned int count = chainCount;
     for (unsigned int i = 0; i < count; i++)

From 8b80cbb1dd13e2870a956825f5dafc4419b44200 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 7 Feb 2018 09:31:31 -0800
Subject: [PATCH 0980/1326] Add a subset debug category

---
 src/hb-debug.hh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/hb-debug.hh b/src/hb-debug.hh
index 6c425f7b9..c244347b3 100644
--- a/src/hb-debug.hh
+++ b/src/hb-debug.hh
@@ -396,6 +396,18 @@ struct hb_no_trace_t {
 #define TRACE_SERIALIZE(this) hb_no_trace_t<bool> trace
 #endif
 
+#ifndef HB_DEBUG_SUBSET
+#define HB_DEBUG_SUBSET (HB_DEBUG+0)
+#endif
+#if HB_DEBUG_SUBSET
+#define TRACE_SUBSET(this) \
+  hb_auto_trace_t<HB_DEBUG_SUBSET, bool> trace \
+  (&c->debug_depth, c->get_name (), this, HB_FUNC, \
+   " ");
+#else
+#define TRACE_SUBSET(this) hb_no_trace_t<bool> trace
+#endif
+
 #ifndef HB_DEBUG_WOULD_APPLY
 #define HB_DEBUG_WOULD_APPLY (HB_DEBUG+0)
 #endif
@@ -415,6 +427,7 @@ struct hb_no_trace_t {
 	HB_DEBUG_COLLECT_GLYPHS + \
 	HB_DEBUG_SANITIZE + \
 	HB_DEBUG_SERIALIZE + \
+  HB_DEBUG_SUBSET + \
 	HB_DEBUG_WOULD_APPLY + \
 	0)
 #endif

From eb485bb9e90017abaf7dcdd7e39a82125d6807c3 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 7 Feb 2018 09:32:36 -0800
Subject: [PATCH 0981/1326] Horrid hack to assign new gids. Use DEBUG_MSG over
 fprintf

---
 src/hb-subset-plan.cc | 27 +++++++++++++++++++++++----
 src/hb-subset-plan.hh |  5 +++++
 src/hb-subset.cc      |  9 +++++++++
 3 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 5d23f88b2..a9e11fc0e 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -27,7 +27,24 @@
 #include "hb-subset-plan.hh"
 #include "hb-subset-private.hh"
 
-// TODO(Q1) map from old:new gid
+hb_bool_t
+hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
+                                  hb_codepoint_t old_gid,
+                                  hb_codepoint_t *new_gid) {
+  // TODO(Q1) lookup in map from old:new gid
+  // TEMPORARY: just loop over ids to retain and count up
+  hb_codepoint_t current = -1;
+  hb_codepoint_t count = 0;
+  while (hb_set_next(plan->glyphs_to_retain, &current)) {
+    if (old_gid == current) {
+      *new_gid = count;
+      return true;
+    }
+    count++;
+  }
+  return false;
+}
+
 hb_set_t *
 glyph_ids_to_retain (hb_subset_face_t *face,
                      hb_set_t  *codepoints)
@@ -37,13 +54,15 @@ glyph_ids_to_retain (hb_subset_face_t *face,
   while (hb_set_next(codepoints, &cp)) {
     hb_codepoint_t gid;
     if (face->cmap.get_nominal_glyph(cp, &gid)) {
-      // TODO(Q1) a nice way to turn on/off logs
-      fprintf(stderr, "gid for U+%04X is %d\n", cp, gid);
+      DEBUG_MSG(SUBSET, nullptr, "gid for U+%04X is %d\n", cp, gid);
       hb_set_add(gids, cp);
     } else {
-      fprintf(stderr, "Unable to resolve gid for U+%04X\n", cp);
+      DEBUG_MSG(SUBSET, nullptr, "Unable to resolve gid for U+%04X\n", cp);
     }
   }
+
+  // TODO(Q1) expand with glyphs that make up complex glyphs
+  // TODO expand with glyphs reached by G*
   return gids;
 }
 
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 6e94a76ff..549c87e28 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -44,6 +44,11 @@ hb_subset_plan_create (hb_subset_face_t    *face,
                        hb_subset_profile_t *profile,
                        hb_subset_input_t   *input);
 
+hb_bool_t
+hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
+                                  hb_codepoint_t old_gid,
+                                  hb_codepoint_t *new_gid /* OUT */);
+
 hb_subset_plan_t *
 hb_subset_plan_get_empty ();
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index e8b87ca3f..dc0d49251 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -151,6 +151,15 @@ hb_subset (hb_subset_profile_t *profile,
 
   hb_subset_plan_t *plan = hb_subset_plan_create (face, profile, input);
 
+  hb_codepoint_t old_gid = -1;
+  while (hb_set_next(plan->glyphs_to_retain, &old_gid)) {
+    hb_codepoint_t new_gid;
+    if (hb_subset_plan_new_gid_for_old_id(plan, old_gid, &new_gid)) {
+      DEBUG_MSG(SUBSET, nullptr, "Remap %d : %d\n", old_gid, new_gid);
+    } else {
+      DEBUG_MSG(SUBSET, nullptr, "Remap %d : DOOM! No new ID\n", old_gid);
+    }
+  }
   // TODO:
   // - Create initial header + table directory
   // - Loop through the set of tables to be kept:

From 91428713bd6975b3bbfbdce54701f6aef5457121 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 7 Feb 2018 09:35:59 -0800
Subject: [PATCH 0982/1326] Remove \ns leftover from fprintf

---
 src/hb-subset-plan.cc | 4 ++--
 src/hb-subset.cc      | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index a9e11fc0e..6bb0513c8 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -54,10 +54,10 @@ glyph_ids_to_retain (hb_subset_face_t *face,
   while (hb_set_next(codepoints, &cp)) {
     hb_codepoint_t gid;
     if (face->cmap.get_nominal_glyph(cp, &gid)) {
-      DEBUG_MSG(SUBSET, nullptr, "gid for U+%04X is %d\n", cp, gid);
+      DEBUG_MSG(SUBSET, nullptr, "gid for U+%04X is %d", cp, gid);
       hb_set_add(gids, cp);
     } else {
-      DEBUG_MSG(SUBSET, nullptr, "Unable to resolve gid for U+%04X\n", cp);
+      DEBUG_MSG(SUBSET, nullptr, "Unable to resolve gid for U+%04X", cp);
     }
   }
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index dc0d49251..5849efd2e 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -155,9 +155,9 @@ hb_subset (hb_subset_profile_t *profile,
   while (hb_set_next(plan->glyphs_to_retain, &old_gid)) {
     hb_codepoint_t new_gid;
     if (hb_subset_plan_new_gid_for_old_id(plan, old_gid, &new_gid)) {
-      DEBUG_MSG(SUBSET, nullptr, "Remap %d : %d\n", old_gid, new_gid);
+      DEBUG_MSG(SUBSET, nullptr, "Remap %d : %d", old_gid, new_gid);
     } else {
-      DEBUG_MSG(SUBSET, nullptr, "Remap %d : DOOM! No new ID\n", old_gid);
+      DEBUG_MSG(SUBSET, nullptr, "Remap %d : DOOM! No new ID", old_gid);
     }
   }
   // TODO:

From b95aa204ee284c47e63dc1e34b3c5b4bdf9e7ab7 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 7 Feb 2018 09:37:06 -0800
Subject: [PATCH 0983/1326] glyph ids to retain should most likely keep the
 glyph id not the codepoint

---
 src/hb-subset-plan.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 6bb0513c8..470fa03e3 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -55,7 +55,7 @@ glyph_ids_to_retain (hb_subset_face_t *face,
     hb_codepoint_t gid;
     if (face->cmap.get_nominal_glyph(cp, &gid)) {
       DEBUG_MSG(SUBSET, nullptr, "gid for U+%04X is %d", cp, gid);
-      hb_set_add(gids, cp);
+      hb_set_add(gids, gid);
     } else {
       DEBUG_MSG(SUBSET, nullptr, "Unable to resolve gid for U+%04X", cp);
     }

From 2da0d87e769b2ced71e4281e336bdbca65de2b3f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 12:44:35 -0500
Subject: [PATCH 0984/1326] Remove NullPool visibility hack

We keep a separate private NullPool in libharfbuzz-subset.so
This can fire back later since now there are two separate null objects,
and comparisons to the null pool can be confused.  Something to deal
with when it comes up. Ouch!
---
 src/hb-open-type-private.hh | 4 +---
 src/hb-subset.cc            | 4 ++++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 959f743b9..04e4a4e1b 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -134,9 +134,7 @@ static inline Type& StructAfter(TObject &X)
 
 #define HB_NULL_POOL_SIZE 264
 static_assert (HB_NULL_POOL_SIZE % sizeof (void *) == 0, "Align HB_NULL_POOL_SIZE.");
-// TODO add back HB_INTERNAL once we figure out how to not have that break
-// subset compile
-extern const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
+extern HB_INTERNAL const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
 
 /* Generic nul-content Null objects. */
 template <typename Type>
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 5849efd2e..7215b60b0 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -34,6 +34,10 @@
 
 #include "hb-ot-glyf-table.hh"
 
+
+const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {};
+
+
 struct hb_subset_profile_t {
   hb_object_header_t header;
   ASSERT_POD ();

From af02812fc51812a7e2265a1100bbca1a5bf8af45 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 13:07:46 -0500
Subject: [PATCH 0985/1326] [subset] Change hb_subset API to remove
 hb_subset_face_t

---
 src/hb-subset-plan.cc    | 12 +++++++---
 src/hb-subset-plan.hh    |  2 +-
 src/hb-subset-private.hh | 10 --------
 src/hb-subset.cc         | 52 +++++++---------------------------------
 src/hb-subset.h          | 25 +++++--------------
 test/api/test-subset.c   |  9 +++----
 util/hb-subset.cc        | 12 ++++++----
 7 files changed, 36 insertions(+), 86 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 470fa03e3..20185e1d8 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -27,6 +27,8 @@
 #include "hb-subset-plan.hh"
 #include "hb-subset-private.hh"
 
+#include "hb-ot-cmap-table.hh"
+
 hb_bool_t
 hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
                                   hb_codepoint_t old_gid,
@@ -46,14 +48,16 @@ hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
 }
 
 hb_set_t *
-glyph_ids_to_retain (hb_subset_face_t *face,
+glyph_ids_to_retain (hb_face_t *face,
                      hb_set_t  *codepoints)
 {
+  OT::cmap::accelerator_t cmap;
+  cmap.init (face);
   hb_codepoint_t cp = -1;
   hb_set_t *gids = hb_set_create();
   while (hb_set_next(codepoints, &cp)) {
     hb_codepoint_t gid;
-    if (face->cmap.get_nominal_glyph(cp, &gid)) {
+    if (cmap.get_nominal_glyph(cp, &gid)) {
       DEBUG_MSG(SUBSET, nullptr, "gid for U+%04X is %d", cp, gid);
       hb_set_add(gids, gid);
     } else {
@@ -63,6 +67,8 @@ glyph_ids_to_retain (hb_subset_face_t *face,
 
   // TODO(Q1) expand with glyphs that make up complex glyphs
   // TODO expand with glyphs reached by G*
+  //
+  cmap.fini ();
   return gids;
 }
 
@@ -77,7 +83,7 @@ glyph_ids_to_retain (hb_subset_face_t *face,
  * Since: 1.7.5
  **/
 hb_subset_plan_t *
-hb_subset_plan_create (hb_subset_face_t    *face,
+hb_subset_plan_create (hb_face_t           *face,
                        hb_subset_profile_t *profile,
                        hb_subset_input_t   *input)
 {
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 549c87e28..b1ed1add8 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -40,7 +40,7 @@ struct hb_subset_plan_t {
 typedef struct hb_subset_plan_t hb_subset_plan_t;
 
 hb_subset_plan_t *
-hb_subset_plan_create (hb_subset_face_t    *face,
+hb_subset_plan_create (hb_face_t           *face,
                        hb_subset_profile_t *profile,
                        hb_subset_input_t   *input);
 
diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index 31fceb470..9689da808 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -34,8 +34,6 @@
 
 #include "hb-font-private.hh"
 
-#include "hb-ot-cmap-table.hh"
-
 struct hb_subset_input_t {
   hb_object_header_t header;
   ASSERT_POD ();
@@ -43,12 +41,4 @@ struct hb_subset_input_t {
   hb_set_t *codepoints;
 };
 
-struct hb_subset_face_t {
-  hb_object_header_t header;
-  ASSERT_POD ();
-
-  hb_face_t *face;
-  OT::cmap::accelerator_t cmap;
-};
-
 #endif /* HB_SUBSET_PRIVATE_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 7215b60b0..28cfd300f 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -101,40 +101,6 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
   free (subset_input);
 }
 
-/**
- * hb_subset_face_create:
- *
- * Return value: New subset face.
- *
- * Since: 1.7.5
- **/
-hb_subset_face_t *
-hb_subset_face_create (hb_face_t *face)
-{
-  if (unlikely (!face))
-    face = hb_face_get_empty();
-
-  hb_subset_face_t *subset_face = hb_object_create<hb_subset_face_t> ();
-  subset_face->face = hb_face_reference (face);
-  subset_face->cmap.init(face);
-
-  return subset_face;
-}
-
-/**
- * hb_subset_face_destroy:
- *
- * Since: 1.7.5
- **/
-void
-hb_subset_face_destroy (hb_subset_face_t *subset_face)
-{
-  if (!hb_object_destroy (subset_face)) return;
-
-  subset_face->cmap.fini();
-  hb_face_destroy(subset_face->face);
-  free (subset_face);
-}
 
 /**
  * hb_subset:
@@ -145,15 +111,14 @@ hb_subset_face_destroy (hb_subset_face_t *subset_face)
  *
  * Subsets a font according to provided profile and input.
  **/
-hb_bool_t
-hb_subset (hb_subset_profile_t *profile,
-           hb_subset_input_t *input,
-           hb_subset_face_t *face,
-           hb_blob_t **result /* OUT */)
+hb_face_t *
+hb_subset (hb_face_t *source,
+	   hb_subset_profile_t *profile,
+           hb_subset_input_t *input)
 {
-  if (!profile || !input || !face) return false;
+  if (unlikely (!profile || !input || !source)) return nullptr;
 
-  hb_subset_plan_t *plan = hb_subset_plan_create (face, profile, input);
+  hb_subset_plan_t *plan = hb_subset_plan_create (source, profile, input);
 
   hb_codepoint_t old_gid = -1;
   while (hb_set_next(plan->glyphs_to_retain, &old_gid)) {
@@ -174,14 +139,13 @@ hb_subset (hb_subset_profile_t *profile,
   bool success = true;
 
   hb_blob_t *glyf_prime = nullptr;
-  if (hb_subset_glyf (plan, face->face, &glyf_prime)) {
+  if (hb_subset_glyf (plan, source, &glyf_prime)) {
     // TODO: write new glyf to new face.
   } else {
     success = false;
   }
   hb_blob_destroy (glyf_prime);
 
-  *result = hb_face_reference_blob(face->face);
   hb_subset_plan_destroy (plan);
-  return success;
+  return success ? hb_face_reference (source) : nullptr;
 }
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 47127e035..2b8d55a24 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -40,7 +40,7 @@ HB_BEGIN_DECLS
 typedef struct hb_subset_profile_t hb_subset_profile_t;
 
 HB_EXTERN hb_subset_profile_t *
-hb_subset_profile_create ();
+hb_subset_profile_create (void);
 
 HB_EXTERN void
 hb_subset_profile_destroy (hb_subset_profile_t *profile);
@@ -58,26 +58,13 @@ hb_subset_input_create (hb_set_t *codepoints);
 HB_EXTERN void
 hb_subset_input_destroy (hb_subset_input_t *subset_input);
 
-/*
- * hb_subset_face_t
- * Reusable subset-ready plan for a given face. Threadsafe for multiple
- * concurrent subset operations.
- */
 
-typedef struct hb_subset_face_t hb_subset_face_t;
+/* hb_subset() */
 
-HB_EXTERN hb_subset_face_t *
-hb_subset_face_create (hb_face_t *face);
-
-HB_EXTERN void
-hb_subset_face_destroy (hb_subset_face_t *face);
-
-
-HB_EXTERN hb_bool_t
-hb_subset (hb_subset_profile_t *profile,
-           hb_subset_input_t *input,
-           hb_subset_face_t *face,
-           hb_blob_t **result /* OUT */);
+HB_EXTERN hb_face_t *
+hb_subset (hb_face_t *source,
+	   hb_subset_profile_t *profile,
+           hb_subset_input_t *input);
 
 HB_END_DECLS
 
diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index 4841af624..db4bbe923 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -43,19 +43,20 @@ test_subset (void)
 
   hb_subset_profile_t *profile = hb_subset_profile_create();
   hb_subset_input_t *input = hb_subset_input_create (hb_set_get_empty ());
-  hb_subset_face_t *subset_face = hb_subset_face_create(face);
 
-  hb_blob_t *output;
-  g_assert(hb_subset(profile, input, subset_face, &output));
+  hb_face_t *out_face = hb_subset(face, profile, input);
+  g_assert(out_face);
+  g_assert(out_face != hb_face_get_empty ());
+  hb_blob_t *output = hb_face_reference_blob (out_face);
 
   unsigned int output_length;
   const char *output_data = hb_blob_get_data(output, &output_length);
   g_assert_cmpmem(test_data, 4, output_data, output_length);
 
   hb_blob_destroy(output);
-  hb_subset_face_destroy(subset_face);
   hb_subset_input_destroy(input);
   hb_subset_profile_destroy(profile);
+  hb_face_destroy(out_face);
   hb_face_destroy(face);
   hb_blob_destroy(font_blob);
 }
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 67cfed193..fb6d36357 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -93,19 +93,21 @@ struct subset_consumer_t
     hb_subset_profile_t *subset_profile = hb_subset_profile_create();
     hb_subset_input_t *subset_input = hb_subset_input_create (codepoints);
     hb_face_t *face = hb_font_get_face (font);
-    hb_subset_face_t *subset_face = hb_subset_face_create(face);
 
 
 
-    hb_blob_t *result = nullptr;
-    failed = !(hb_subset(subset_profile, subset_input, subset_face, &result)
-               && write_file(options.output_file, result));
+    hb_face_t *new_face = hb_subset(face, subset_profile, subset_input);
+    hb_blob_t *result = hb_face_reference_blob (new_face);
+
+    failed = !hb_blob_get_length (result);
+    if (!failed)
+      write_file (options.output_file, result);
 
     hb_subset_profile_destroy (subset_profile);
     hb_subset_input_destroy (subset_input);
     hb_set_destroy (codepoints);
-    hb_subset_face_destroy (subset_face);
     hb_blob_destroy (result);
+    hb_face_destroy (new_face);
     hb_font_destroy (font);
   }
 

From 6804b61d2e49fcf9eac9fa0b86497ba91b220bee Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 13:47:35 -0500
Subject: [PATCH 0986/1326] [subset] Add hb_subset_face

It's a hb_face_t that has add_table() and in the future knows how to
compile itself into a font blob.
---
 src/hb-private.hh |  9 +++++
 src/hb-subset.cc  | 88 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 53ed11c81..67ede7cce 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -491,6 +491,15 @@ struct hb_prealloced_array_t
     ::qsort (array + start, end - start, sizeof (Type), Type::cmp);
   }
 
+  template <typename T>
+  inline Type *lsearch (T *x)
+  {
+    for (unsigned int i = 0; i < len; i++)
+      if (0 == this->array[i].cmp (x))
+	return &array[i];
+    return nullptr;
+  }
+
   template <typename T>
   inline Type *bsearch (T *x)
   {
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 28cfd300f..bb7d831fc 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -102,6 +102,94 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
 }
 
 
+
+/*
+ * A face that has add_table().
+ */
+
+struct hb_subset_face_data_t
+{
+  struct table_entry_t
+  {
+    inline int cmp (const hb_tag_t *t) const
+    {
+      if (*t < tag) return -1;
+      if (*t > tag) return -1;
+      return 0;
+    }
+
+    hb_tag_t   tag;
+    hb_blob_t *blob;
+  };
+
+  hb_prealloced_array_t<table_entry_t, 32> tables;
+};
+
+static hb_subset_face_data_t *
+_hb_subset_face_data_create (void)
+{
+  hb_subset_face_data_t *data = (hb_subset_face_data_t *) calloc (1, sizeof (hb_subset_face_data_t));
+  if (unlikely (!data))
+    return nullptr;
+
+  return data;
+}
+
+static void
+_hb_subset_face_data_destroy (void *user_data)
+{
+  hb_subset_face_data_t *data = (hb_subset_face_data_t *) user_data;
+
+  free (data);
+}
+
+static hb_blob_t *
+_hb_subset_face_reference_table (hb_face_t *face, hb_tag_t tag, void *user_data)
+{
+  hb_subset_face_data_t *data = (hb_subset_face_data_t *) user_data;
+
+  if (!tag)
+  {
+    /* TODO Compile face blob... */
+    return nullptr;
+  }
+
+  hb_subset_face_data_t::table_entry_t *entry = data->tables.lsearch (&tag);
+  if (entry)
+    return hb_blob_reference (entry->blob);
+
+  return nullptr;
+}
+
+static hb_face_t *
+hb_subset_face_create (void)
+{
+  hb_subset_face_data_t *data = _hb_subset_face_data_create ();
+  if (unlikely (!data)) return hb_face_get_empty ();
+
+  return hb_face_create_for_tables (_hb_subset_face_reference_table,
+				    data,
+				    _hb_subset_face_data_destroy);
+}
+
+static bool
+hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
+{
+  if (unlikely (face->destroy != _hb_subset_face_data_destroy))
+    return false;
+
+  hb_subset_face_data_t *data = (hb_subset_face_data_t *) face->user_data;
+
+  hb_subset_face_data_t::table_entry_t *entry = data->tables.lsearch (&tag);
+  if (unlikely (!entry))
+    return false;
+
+  entry->tag = tag;
+  entry->blob = hb_blob_reference (blob);
+
+  return true;
+}
+
 /**
  * hb_subset:
  * @profile: profile to use for the subsetting.

From f70100417c71cff071c119607a7b75dcead05a05 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 13:58:23 -0500
Subject: [PATCH 0987/1326] [test] Minor

---
 test/api/test-ot-tag.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/api/test-ot-tag.c b/test/api/test-ot-tag.c
index f5cbd9d12..1abbc1db5 100644
--- a/test/api/test-ot-tag.c
+++ b/test/api/test-ot-tag.c
@@ -72,7 +72,7 @@ test_indic_tags (const char *s1, const char *s2, hb_script_t script)
 static void
 test_ot_tag_script_degenerate (void)
 {
-  hb_script_t t1, t2;
+  hb_tag_t t1, t2;
 
   g_assert_cmphex (HB_TAG_CHAR4 ("DFLT"), ==, HB_OT_TAG_DEFAULT_SCRIPT);
 

From b87cbe2bec1d589621ba143af59443f63230ffeb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 14:11:26 -0500
Subject: [PATCH 0988/1326] Try fixing build for platforms that have no
 visibility attributes

---
 src/hb-private.hh | 1 +
 src/hb-subset.cc  | 2 ++
 src/main.cc       | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 67ede7cce..75cc38f76 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -124,6 +124,7 @@ extern "C" void  hb_free_impl(void *ptr);
 #  define HB_INTERNAL __attribute__((__visibility__("hidden")))
 # else
 #  define HB_INTERNAL
+#  define HB_NO_VISIBILITY 1
 # endif
 #endif
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index bb7d831fc..a1c6833e8 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -35,7 +35,9 @@
 #include "hb-ot-glyf-table.hh"
 
 
+#ifndef HB_NO_VISIBILITY
 const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {};
+#endif
 
 
 struct hb_subset_profile_t {
diff --git a/src/main.cc b/src/main.cc
index 72de189d8..d221e9da2 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -37,7 +37,9 @@
 
 using namespace OT;
 
+#ifndef HB_NO_VISIBILITY
 const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {};
+#endif
 
 int
 main (int argc, char **argv)

From 6d7c6e19dc769cf9997b7c1f8a4598eb44ca0b3c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 14:09:56 -0600
Subject: [PATCH 0989/1326] Fix two undefined-behavior issues

Fixes https://github.com/harfbuzz/harfbuzz/issues/761
Fixes https://github.com/harfbuzz/harfbuzz/issues/762
---
 src/hb-ot-hmtx-table.hh              |  4 ++--
 src/hb-ot-layout-gsubgpos-private.hh | 10 +++++-----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 934acde77..eed489026 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -173,7 +173,7 @@ struct hmtxvmtx
 					 * be in the array, but that entry is
 					 * required. The last entry applies to
 					 * all subsequent glyphs. */
-  FWORD		leadingBearingX[VAR];	/* Here the advance is assumed
+/*FWORD		leadingBearingX[VAR];*/	/* Here the advance is assumed
 					 * to be the same as the advance
 					 * for the last entry above. The
 					 * number of entries in this array is
@@ -187,7 +187,7 @@ struct hmtxvmtx
 					 * font to vary the side bearing
 					 * values for each glyph. */
   public:
-  DEFINE_SIZE_ARRAY2 (0, longMetric, leadingBearingX);
+  DEFINE_SIZE_ARRAY (0, longMetric);
 };
 
 struct hmtx : hmtxvmtx<hmtx> {
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 8a005f5a2..90546344d 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -1212,7 +1212,7 @@ struct Rule
 		  lookupCount.sanitize (c) &&
 		  c->check_range (inputZ,
 				  inputZ[0].static_size * inputCount +
-				  lookupRecordX[0].static_size * lookupCount));
+				  LookupRecord::static_size * lookupCount));
   }
 
   protected:
@@ -1222,10 +1222,10 @@ struct Rule
   HBUINT16	lookupCount;		/* Number of LookupRecords */
   HBUINT16	inputZ[VAR];		/* Array of match inputs--start with
 					 * second glyph */
-  LookupRecord	lookupRecordX[VAR];	/* Array of LookupRecords--in
+/*LookupRecord	lookupRecordX[VAR];*/	/* Array of LookupRecords--in
 					 * design order */
   public:
-  DEFINE_SIZE_ARRAY2 (4, inputZ, lookupRecordX);
+  DEFINE_SIZE_ARRAY (4, inputZ);
 };
 
 struct RuleSet
@@ -1556,10 +1556,10 @@ struct ContextFormat3
   OffsetTo<Coverage>
 		coverageZ[VAR];		/* Array of offsets to Coverage
 					 * table in glyph sequence order */
-  LookupRecord	lookupRecordX[VAR];	/* Array of LookupRecords--in
+/*LookupRecord	lookupRecordX[VAR];*/	/* Array of LookupRecords--in
 					 * design order */
   public:
-  DEFINE_SIZE_ARRAY2 (6, coverageZ, lookupRecordX);
+  DEFINE_SIZE_ARRAY (6, coverageZ);
 };
 
 struct Context

From 05d65baa1bb64664ba838993fd35f3899d52eb8d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Feb 2018 10:55:30 -0800
Subject: [PATCH 0990/1326] Extract glyf offset calculation into it's own
 method.

---
 src/hb-ot-glyf-table.hh | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 67143c639..e6b07a860 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -122,29 +122,39 @@ struct glyf
       hb_blob_destroy (glyf_blob);
     }
 
-    inline bool get_extents (hb_codepoint_t glyph,
-			     hb_glyph_extents_t *extents) const
+    inline bool get_offsets (hb_codepoint_t  glyph,
+                             unsigned int   *start_offset /* OUT */,
+                             unsigned int   *end_offset   /* OUT */) const
     {
       if (unlikely (glyph >= num_glyphs))
 	return false;
 
-      unsigned int start_offset, end_offset;
       if (short_offset)
       {
         const HBUINT16 *offsets = (const HBUINT16 *) loca_table->dataX;
-	start_offset = 2 * offsets[glyph];
-	end_offset   = 2 * offsets[glyph + 1];
+	*start_offset = 2 * offsets[glyph];
+	*end_offset   = 2 * offsets[glyph + 1];
       }
       else
       {
         const HBUINT32 *offsets = (const HBUINT32 *) loca_table->dataX;
-	start_offset = offsets[glyph];
-	end_offset   = offsets[glyph + 1];
+	*start_offset = offsets[glyph];
+	*end_offset   = offsets[glyph + 1];
       }
 
-      if (start_offset > end_offset || end_offset > glyf_len)
+      if (*start_offset > *end_offset || *end_offset > glyf_len)
 	return false;
 
+      return true;
+    }
+
+    inline bool get_extents (hb_codepoint_t glyph,
+			     hb_glyph_extents_t *extents) const
+    {
+      unsigned int start_offset, end_offset;
+      if (!get_offsets (glyph, &start_offset, &end_offset))
+        return false;
+
       if (end_offset - start_offset < GlyphHeader::static_size)
 	return true; /* Empty glyph; zero extents. */
 

From 0a5d1440f829f07454592adde9dd3aa93ad74442 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Feb 2018 13:09:54 -0800
Subject: [PATCH 0991/1326] Add implementation of glyf subsetting.

---
 src/hb-subset-glyf.cc | 81 ++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 76 insertions(+), 5 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 5a3dff6d9..e0ae5d808 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -24,9 +24,56 @@
  * Google Author(s): Garret Rieger
  */
 
+#include "hb-open-type-private.hh"
 #include "hb-ot-glyf-table.hh"
+#include "hb-set.h"
 #include "hb-subset-glyf.hh"
 
+bool
+calculate_glyf_prime_size (const OT::glyf::accelerator_t &glyf,
+                           hb_set_t *glyph_ids,
+                           unsigned int *size /* OUT */)
+{
+  unsigned int total = 0;
+  hb_codepoint_t next_glyph = -1;
+  while (hb_set_next(glyph_ids, &next_glyph)) {
+    unsigned int start_offset, end_offset;
+    if (!glyf.get_offsets (next_glyph, &start_offset, &end_offset)) {
+      *size = 0;
+      return false;
+    }
+
+    total += end_offset - start_offset;
+  }
+
+  *size = total;
+  return true;
+}
+
+bool
+write_glyf_prime (const OT::glyf::accelerator_t &glyf,
+                  const char                    *glyf_data,
+                  hb_set_t                      *glyph_ids,
+                  int                            glyf_prime_size,
+                  char                          *glyf_prime_data /* OUT */)
+{
+  char *glyf_prime_data_next = glyf_prime_data;
+
+  hb_codepoint_t next_glyph = -1;
+  while (hb_set_next(glyph_ids, &next_glyph)) {
+    unsigned int start_offset, end_offset;
+    if (!glyf.get_offsets (next_glyph, &start_offset, &end_offset)) {
+      return false;
+    }
+
+    int length = end_offset - start_offset;
+    memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
+    glyf_prime_data_next += length;
+  }
+
+  return true;
+}
+
 /**
  * hb_subset_glyf:
  * Subsets the glyph table according to a provided plan.
@@ -40,13 +87,37 @@ hb_subset_glyf (hb_subset_plan_t *plan,
                 hb_face_t        *face,
                 hb_blob_t       **glyf_prime /* OUT */)
 {
-  OT::glyf::accelerator_t glyf_accelerator;
-  glyf_accelerator.init(face);
+  // TODO(grieger): Sanity check writes to make sure they are in-bounds.
+  // TODO(grieger): Sanity check allocation size for the new table.
+  // TODO(grieger): Subset loca simultaneously.
 
-  // TODO
+  hb_blob_t *glyf_blob = OT::Sanitizer<OT::glyf>().sanitize (face->reference_table (HB_OT_TAG_glyf));
+  const char *glyf_data = hb_blob_get_data(glyf_blob, nullptr);
 
-  glyf_accelerator.fini();
+  OT::glyf::accelerator_t glyf;
+  glyf.init(face);
 
-  *glyf_prime = hb_blob_get_empty ();
+  unsigned int glyf_prime_size;
+  if (!calculate_glyf_prime_size (glyf,
+                                  plan->glyphs_to_retain,
+                                  &glyf_prime_size)) {
+    glyf.fini();
+    return false;
+  }
+
+  char *glyf_prime_data = (char *) calloc (glyf_prime_size, 1);
+  if (!write_glyf_prime (glyf, glyf_data, plan->glyphs_to_retain, glyf_prime_size,
+                         glyf_prime_data)) {
+    glyf.fini();
+    free (glyf_prime_data);
+    return false;
+  }
+
+  glyf.fini();
+  *glyf_prime = hb_blob_create (glyf_prime_data,
+                                glyf_prime_size,
+                                HB_MEMORY_MODE_READONLY,
+                                glyf_prime_data,
+                                free);
   return true;
 }

From 4e1abe2ce0b5163cbbbb8f8be0e9f7deba5ab2cb Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Feb 2018 13:28:11 -0800
Subject: [PATCH 0992/1326] Refactor subset glyf to remove multiple calls to
 glyf.fini()

---
 src/hb-subset-glyf.cc | 62 ++++++++++++++++++++++++-------------------
 1 file changed, 35 insertions(+), 27 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index e0ae5d808..6581754b5 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -74,6 +74,38 @@ write_glyf_prime (const OT::glyf::accelerator_t &glyf,
   return true;
 }
 
+bool
+_hb_subset_glyf (const OT::glyf::accelerator_t  &glyf,
+                 const char                     *glyf_data,
+                 hb_set_t                       *glyphs_to_retain,
+                 hb_blob_t                     **glyf_prime /* OUT */)
+{
+  // TODO(grieger): Sanity check writes to make sure they are in-bounds.
+  // TODO(grieger): Sanity check allocation size for the new table.
+  // TODO(grieger): Subset loca simultaneously.
+
+  unsigned int glyf_prime_size;
+  if (!calculate_glyf_prime_size (glyf,
+                                  glyphs_to_retain,
+                                  &glyf_prime_size)) {
+    return false;
+  }
+
+  char *glyf_prime_data = (char *) calloc (glyf_prime_size, 1);
+  if (!write_glyf_prime (glyf, glyf_data, glyphs_to_retain, glyf_prime_size,
+                         glyf_prime_data)) {
+    free (glyf_prime_data);
+    return false;
+  }
+
+  *glyf_prime = hb_blob_create (glyf_prime_data,
+                                glyf_prime_size,
+                                HB_MEMORY_MODE_READONLY,
+                                glyf_prime_data,
+                                free);
+  return true;
+}
+
 /**
  * hb_subset_glyf:
  * Subsets the glyph table according to a provided plan.
@@ -87,37 +119,13 @@ hb_subset_glyf (hb_subset_plan_t *plan,
                 hb_face_t        *face,
                 hb_blob_t       **glyf_prime /* OUT */)
 {
-  // TODO(grieger): Sanity check writes to make sure they are in-bounds.
-  // TODO(grieger): Sanity check allocation size for the new table.
-  // TODO(grieger): Subset loca simultaneously.
-
   hb_blob_t *glyf_blob = OT::Sanitizer<OT::glyf>().sanitize (face->reference_table (HB_OT_TAG_glyf));
   const char *glyf_data = hb_blob_get_data(glyf_blob, nullptr);
 
   OT::glyf::accelerator_t glyf;
   glyf.init(face);
-
-  unsigned int glyf_prime_size;
-  if (!calculate_glyf_prime_size (glyf,
-                                  plan->glyphs_to_retain,
-                                  &glyf_prime_size)) {
-    glyf.fini();
-    return false;
-  }
-
-  char *glyf_prime_data = (char *) calloc (glyf_prime_size, 1);
-  if (!write_glyf_prime (glyf, glyf_data, plan->glyphs_to_retain, glyf_prime_size,
-                         glyf_prime_data)) {
-    glyf.fini();
-    free (glyf_prime_data);
-    return false;
-  }
-
+  bool result = _hb_subset_glyf (glyf, glyf_data, plan->glyphs_to_retain, glyf_prime);
   glyf.fini();
-  *glyf_prime = hb_blob_create (glyf_prime_data,
-                                glyf_prime_size,
-                                HB_MEMORY_MODE_READONLY,
-                                glyf_prime_data,
-                                free);
-  return true;
+
+  return result;
 }

From 7fd0b61dee18380c302009f8be9cd68dadab7308 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 16:44:52 -0600
Subject: [PATCH 0993/1326] [subset] Create new face and copy all tables to it

test-subset fails now because subset-face does not know how to compile itself.
---
 src/hb-subset.cc | 37 ++++++++++++++++++++++++++-----------
 1 file changed, 26 insertions(+), 11 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index a1c6833e8..61f38a0ad 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -194,10 +194,9 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
 
 /**
  * hb_subset:
+ * @source: font face data to be subset.
  * @profile: profile to use for the subsetting.
  * @input: input to use for the subsetting.
- * @face: font face data to be subset.
- * @result: subsetting result.
  *
  * Subsets a font according to provided profile and input.
  **/
@@ -210,13 +209,32 @@ hb_subset (hb_face_t *source,
 
   hb_subset_plan_t *plan = hb_subset_plan_create (source, profile, input);
 
+  hb_face_t *face = hb_subset_face_create ();
+
+  /* Copy tables to new face. */
+  {
+    hb_tag_t table_tags[32];
+    unsigned int offset = 0, count;
+    do {
+      count == ARRAY_LENGTH (table_tags);
+      hb_face_get_table_tags (source, offset, &count, table_tags);
+      for (unsigned int i = 0; i < count; i++)
+      {
+	hb_tag_t tag = table_tags[i];
+	hb_blob_t *blob = hb_face_reference_table (source, tag);
+	hb_subset_face_add_table (face, tag, blob);
+	hb_blob_destroy (blob);
+      }
+    } while (count == ARRAY_LENGTH (table_tags));
+  }
+
   hb_codepoint_t old_gid = -1;
-  while (hb_set_next(plan->glyphs_to_retain, &old_gid)) {
+  while (hb_set_next (plan->glyphs_to_retain, &old_gid)) {
     hb_codepoint_t new_gid;
-    if (hb_subset_plan_new_gid_for_old_id(plan, old_gid, &new_gid)) {
-      DEBUG_MSG(SUBSET, nullptr, "Remap %d : %d", old_gid, new_gid);
+    if (hb_subset_plan_new_gid_for_old_id (plan, old_gid, &new_gid)) {
+      DEBUG_MSG (SUBSET, nullptr, "Remap %d : %d", old_gid, new_gid);
     } else {
-      DEBUG_MSG(SUBSET, nullptr, "Remap %d : DOOM! No new ID", old_gid);
+      DEBUG_MSG (SUBSET, nullptr, "Remap %d : DOOM! No new ID", old_gid);
     }
   }
   // TODO:
@@ -226,16 +244,13 @@ hb_subset (hb_face_t *source,
   //   - copy the table into the output.
   // - Fix header + table directory.
 
-  bool success = true;
-
   hb_blob_t *glyf_prime = nullptr;
   if (hb_subset_glyf (plan, source, &glyf_prime)) {
     // TODO: write new glyf to new face.
-  } else {
-    success = false;
   }
   hb_blob_destroy (glyf_prime);
 
   hb_subset_plan_destroy (plan);
-  return success ? hb_face_reference (source) : nullptr;
+
+  return face;
 }

From c9acab3cfbe4a21e86ad309ebb452f103b1c1b04 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 17:12:55 -0600
Subject: [PATCH 0994/1326] Whitespace

---
 src/hb-open-file-private.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 1e5676e82..762783f33 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -64,9 +64,9 @@ typedef struct TableRecord
 
   Tag		tag;		/* 4-byte identifier. */
   CheckSum	checkSum;	/* CheckSum for this table. */
-  HBUINT32		offset;		/* Offset from beginning of TrueType font
+  HBUINT32	offset;		/* Offset from beginning of TrueType font
 				 * file. */
-  HBUINT32		length;		/* Length of this table. */
+  HBUINT32	length;		/* Length of this table. */
   public:
   DEFINE_SIZE_STATIC (16);
 } OpenTypeTable;
@@ -81,7 +81,7 @@ typedef struct OffsetTable
   {
     return tables[i];
   }
-  inline unsigned int get_table_tags (unsigned int start_offset,
+  inline unsigned int get_table_tags (unsigned int  start_offset,
 				      unsigned int *table_count, /* IN/OUT */
 				      hb_tag_t     *table_tags /* OUT */) const
   {

From 577becaf7b5ccd9de8ba533447f944427b9e4452 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 17:38:40 -0600
Subject: [PATCH 0995/1326] [subset] Fixup

---
 src/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 61f38a0ad..f9119c37d 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -216,7 +216,7 @@ hb_subset (hb_face_t *source,
     hb_tag_t table_tags[32];
     unsigned int offset = 0, count;
     do {
-      count == ARRAY_LENGTH (table_tags);
+      count = ARRAY_LENGTH (table_tags);
       hb_face_get_table_tags (source, offset, &count, table_tags);
       for (unsigned int i = 0; i < count; i++)
       {

From 34ac3548b7c9dbc57f277cf9a7a337cd1a8a04bb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 18:07:45 -0600
Subject: [PATCH 0996/1326] [set] Respect stride

Ouch!
---
 src/hb-set-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 576c169e6..54dd610ed 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -273,7 +273,7 @@ struct hb_set_t
       {
 	page->add (g);
 
-	array++;
+	array = (const T *) ((const char *) array + stride);
 	count--;
       }
       while (count && (g = *array, start <= g && g < end));
@@ -302,7 +302,7 @@ struct hb_set_t
 	last_g = g;
 	page->add (g);
 
-	array++;
+	array = (const T *) ((const char *) array + stride);
 	count--;
       }
       while (count && (g = *array, g < end));

From c479a59988b0cf3e557e22e97e1977962c803fa7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 21:13:10 -0600
Subject: [PATCH 0997/1326] [subset] Assemble font

---
 src/hb-open-file-private.hh | 50 +++++++++++++++++++++++++++++++++++-
 src/hb-open-type-private.hh | 33 +++++++++++++++++++-----
 src/hb-ot-map-private.hh    | 10 ++++----
 src/hb-private.hh           | 20 ++++++++++-----
 src/hb-set-private.hh       |  8 +++---
 src/hb-subset.cc            | 51 ++++++++++++++++++++++++++++++++-----
 test/api/test-subset.c      |  9 +++++--
 7 files changed, 150 insertions(+), 31 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 762783f33..631723998 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -56,6 +56,13 @@ typedef struct TableRecord
   int cmp (Tag t) const
   { return t.cmp (tag); }
 
+  static int cmp (const void *pa, const void *pb)
+  {
+    const TableRecord *a = (const TableRecord *) pa;
+    const TableRecord *b = (const TableRecord *) pb;
+    return b->cmp (a->tag);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -64,7 +71,7 @@ typedef struct TableRecord
 
   Tag		tag;		/* 4-byte identifier. */
   CheckSum	checkSum;	/* CheckSum for this table. */
-  HBUINT32	offset;		/* Offset from beginning of TrueType font
+  Offset32	offset;		/* Offset from beginning of TrueType font
 				 * file. */
   HBUINT32	length;		/* Length of this table. */
   public:
@@ -118,6 +125,35 @@ typedef struct OffsetTable
   }
 
   public:
+
+  inline bool serialize (hb_serialize_context_t *c,
+			 hb_tag_t sfnt_tag,
+			 Supplier<hb_tag_t> &tags,
+			 Supplier<hb_blob_t *> &blobs,
+			 unsigned int table_count)
+  {
+    TRACE_SERIALIZE (this);
+    if (unlikely (!c->extend_min (*this))) return_trace (false);
+    sfnt_version.set (sfnt_tag);
+    if (unlikely (!tables.serialize (c, table_count))) return_trace (false);
+    for (unsigned int i = 0; i < table_count; i++)
+    {
+      TableRecord &rec = tables.array[i];
+      hb_blob_t *blob = blobs[i];
+      rec.tag.set (tags[0]);
+      rec.length.set (hb_blob_get_length (blob));
+      rec.checkSum.set_for_data (hb_blob_get_data (blob, nullptr), rec.length);
+      rec.offset.serialize (c, this);
+      void *p = c->allocate_size<void> (rec.length);
+      if (unlikely (!p)) return false;
+      memcpy (p, hb_blob_get_data (blob, nullptr), rec.length);
+      if (rec.length % 4)
+	p = c->allocate_size<void> (4 - rec.length % 4);
+    }
+    tables.qsort ();
+    return_trace (true);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -249,6 +285,18 @@ struct OpenTypeFontFile
     }
   }
 
+  inline bool serialize_single (hb_serialize_context_t *c,
+				hb_tag_t sfnt_tag,
+			        Supplier<hb_tag_t> &tags,
+			        Supplier<hb_blob_t *> &blobs,
+			        unsigned int table_count)
+  {
+    TRACE_SERIALIZE (this);
+    assert (sfnt_tag != TTCTag);
+    if (unlikely (!c->extend_min (*this))) return_trace (false);
+    return_trace (u.fontFace.serialize (c, sfnt_tag, tags, blobs, table_count));
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 04e4a4e1b..be3ecb499 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -499,15 +499,16 @@ struct hb_serialize_context_t
 template <typename Type>
 struct Supplier
 {
-  inline Supplier (const Type *array, unsigned int len_)
+  inline Supplier (const Type *array, unsigned int len_, unsigned int stride_=sizeof(Type))
   {
     head = array;
     len = len_;
+    stride = stride_;
   }
   inline const Type operator [] (unsigned int i) const
   {
     if (unlikely (i >= len)) return Type ();
-    return head[i];
+    return * (const Type *) ((const char *) head + stride * i);
   }
 
   inline void advance (unsigned int count)
@@ -515,7 +516,7 @@ struct Supplier
     if (unlikely (count > len))
       count = len;
     len -= count;
-    head += count;
+    head = (const Type *) ((const char *) head + stride * count);
   }
 
   private:
@@ -523,6 +524,7 @@ struct Supplier
   inline Supplier<Type>& operator= (const Supplier<Type> &); /* Disallow copy */
 
   unsigned int len;
+  unsigned int stride;
   const Type *head;
 };
 
@@ -717,6 +719,13 @@ struct Offset : Type
   inline bool is_null (void) const { return 0 == *this; }
   public:
   DEFINE_SIZE_STATIC (sizeof(Type));
+
+  inline void *serialize (hb_serialize_context_t *c, const void *base)
+  {
+    void *t = c->start_embed<void> ();
+    this->set ((char *) t - (char *) base); /* TODO(serialize) Overflow? */
+    return t;
+  }
 };
 
 typedef Offset<HBUINT16> Offset16;
@@ -786,9 +795,7 @@ struct OffsetTo : Offset<OffsetType>
 
   inline Type& serialize (hb_serialize_context_t *c, const void *base)
   {
-    Type *t = c->start_embed<Type> ();
-    this->set ((char *) t - (char *) base); /* TODO(serialize) Overflow? */
-    return *t;
+    return * (Type *) Offset<OffsetType>::serialize (c, base);
   }
 
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
@@ -928,6 +935,11 @@ struct ArrayOf
     return -1;
   }
 
+  inline void qsort (void)
+  {
+    ::qsort (array, len, sizeof (Type), Type::cmp);
+  }
+
   private:
   inline bool sanitize_shallow (hb_sanitize_context_t *c) const
   {
@@ -1072,6 +1084,15 @@ struct BinSearchHeader
     return_trace (c->check_struct (this));
   }
 
+  inline void set (unsigned int v)
+  {
+    len.set (v);
+    assert (len == v);
+    entrySelectorZ.set (MAX (1u, _hb_bit_storage (v)) - 1);
+    searchRangeZ.set (16 * (1u << entrySelectorZ));
+    rangeShiftZ.set (16 * MAX (0, (int) v - searchRangeZ));
+  }
+
   protected:
   HBUINT16	len;
   HBUINT16	searchRangeZ;
diff --git a/src/hb-ot-map-private.hh b/src/hb-ot-map-private.hh
index a80ac720f..e6bd8ea5e 100644
--- a/src/hb-ot-map-private.hh
+++ b/src/hb-ot-map-private.hh
@@ -84,28 +84,28 @@ struct hb_ot_map_t
   inline hb_mask_t get_global_mask (void) const { return global_mask; }
 
   inline hb_mask_t get_mask (hb_tag_t feature_tag, unsigned int *shift = nullptr) const {
-    const feature_map_t *map = features.bsearch (&feature_tag);
+    const feature_map_t *map = features.bsearch (feature_tag);
     if (shift) *shift = map ? map->shift : 0;
     return map ? map->mask : 0;
   }
 
   inline bool needs_fallback (hb_tag_t feature_tag) const {
-    const feature_map_t *map = features.bsearch (&feature_tag);
+    const feature_map_t *map = features.bsearch (feature_tag);
     return map ? map->needs_fallback : false;
   }
 
   inline hb_mask_t get_1_mask (hb_tag_t feature_tag) const {
-    const feature_map_t *map = features.bsearch (&feature_tag);
+    const feature_map_t *map = features.bsearch (feature_tag);
     return map ? map->_1_mask : 0;
   }
 
   inline unsigned int get_feature_index (unsigned int table_index, hb_tag_t feature_tag) const {
-    const feature_map_t *map = features.bsearch (&feature_tag);
+    const feature_map_t *map = features.bsearch (feature_tag);
     return map ? map->index[table_index] : HB_OT_LAYOUT_NO_FEATURE_INDEX;
   }
 
   inline unsigned int get_feature_stage (unsigned int table_index, hb_tag_t feature_tag) const {
-    const feature_map_t *map = features.bsearch (&feature_tag);
+    const feature_map_t *map = features.bsearch (feature_tag);
     return map ? map->stage[table_index] : (unsigned int) -1;
   }
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 75cc38f76..118f2924b 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -380,6 +380,12 @@ _hb_unsigned_int_mul_overflows (unsigned int count, unsigned int size)
   return (size > 0) && (count >= ((unsigned int) -1) / size);
 }
 
+static inline unsigned int
+_hb_ceil_to_4 (unsigned int v)
+{
+  return ((v - 1) & 3) + 1;
+}
+
 
 
 /* arrays and maps */
@@ -493,34 +499,34 @@ struct hb_prealloced_array_t
   }
 
   template <typename T>
-  inline Type *lsearch (T *x)
+  inline Type *lsearch (const T &x)
   {
     for (unsigned int i = 0; i < len; i++)
-      if (0 == this->array[i].cmp (x))
+      if (0 == this->array[i].cmp (&x))
 	return &array[i];
     return nullptr;
   }
 
   template <typename T>
-  inline Type *bsearch (T *x)
+  inline Type *bsearch (const T &x)
   {
     unsigned int i;
     return bfind (x, &i) ? &array[i] : nullptr;
   }
   template <typename T>
-  inline const Type *bsearch (T *x) const
+  inline const Type *bsearch (const T &x) const
   {
     unsigned int i;
     return bfind (x, &i) ? &array[i] : nullptr;
   }
   template <typename T>
-  inline bool bfind (T *x, unsigned int *i) const
+  inline bool bfind (const T &x, unsigned int *i) const
   {
     int min = 0, max = (int) this->len - 1;
     while (min <= max)
     {
       int mid = (min + max) / 2;
-      int c = this->array[mid].cmp (x);
+      int c = this->array[mid].cmp (&x);
       if (c < 0)
         max = mid - 1;
       else if (c > 0)
@@ -531,7 +537,7 @@ struct hb_prealloced_array_t
 	return true;
       }
     }
-    if (max < 0 || (max < (int) this->len && this->array[max].cmp (x) > 0))
+    if (max < 0 || (max < (int) this->len && this->array[max].cmp (&x) > 0))
       max++;
     *i = max;
     return false;
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 54dd610ed..d71d41224 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -470,7 +470,7 @@ struct hb_set_t
 
     page_map_t map = {get_major (*codepoint), 0};
     unsigned int i;
-    page_map.bfind (&map, &i);
+    page_map.bfind (map, &i);
     if (i < page_map.len)
     {
       if (pages[page_map[i].index].next (codepoint))
@@ -541,7 +541,7 @@ struct hb_set_t
   {
     page_map_t map = {get_major (g), pages.len};
     unsigned int i;
-    if (!page_map.bfind (&map, &i))
+    if (!page_map.bfind (map, &i))
     {
       if (!resize (pages.len + 1))
 	return nullptr;
@@ -555,7 +555,7 @@ struct hb_set_t
   inline page_t *page_for (hb_codepoint_t g)
   {
     page_map_t key = {get_major (g)};
-    const page_map_t *found = page_map.bsearch (&key);
+    const page_map_t *found = page_map.bsearch (key);
     if (found)
       return &pages[found->index];
     return nullptr;
@@ -563,7 +563,7 @@ struct hb_set_t
   inline const page_t *page_for (hb_codepoint_t g) const
   {
     page_map_t key = {get_major (g)};
-    const page_map_t *found = page_map.bsearch (&key);
+    const page_map_t *found = page_map.bsearch (key);
     if (found)
       return &pages[found->index];
     return nullptr;
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index f9119c37d..ed4394dac 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -32,6 +32,7 @@
 #include "hb-subset-private.hh"
 #include "hb-subset-plan.hh"
 
+#include "hb-open-file-private.hh"
 #include "hb-ot-glyf-table.hh"
 
 
@@ -142,21 +143,59 @@ _hb_subset_face_data_destroy (void *user_data)
 {
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) user_data;
 
+  data->tables.finish ();
+
   free (data);
 }
 
+static hb_blob_t *
+_hb_subset_face_data_reference_blob (hb_subset_face_data_t *data)
+{
+
+  unsigned int table_count = data->tables.len;
+  unsigned int face_length = table_count * 16 + 12;
+
+  for (unsigned int i = 0; i < table_count; i++)
+    face_length += _hb_ceil_to_4 (hb_blob_get_length (data->tables.array[i].blob));
+
+  char *buf = (char *) malloc (face_length);
+  if (unlikely (!buf))
+    return nullptr;
+
+  OT::hb_serialize_context_t c (buf, face_length);
+  OT::OpenTypeFontFile *f = c.start_serialize<OT::OpenTypeFontFile> ();
+
+  bool is_cff = data->tables.lsearch (HB_TAG ('C','F','F',' ')) || data->tables.lsearch (HB_TAG ('C','F','F','2'));
+  hb_tag_t sfnt_tag = is_cff ? OT::OpenTypeFontFile::CFFTag : OT::OpenTypeFontFile::TrueTypeTag;
+
+  OT::Supplier<hb_tag_t>    tags_supplier  (&data->tables[0].tag, table_count, sizeof (data->tables[0]));
+  OT::Supplier<hb_blob_t *> blobs_supplier (&data->tables[0].blob, table_count, sizeof (data->tables[0]));
+  bool ret = f->serialize_single (&c,
+				  sfnt_tag,
+				  tags_supplier,
+				  blobs_supplier,
+				  table_count);
+
+  c.end_serialize ();
+
+  if (unlikely (!ret))
+  {
+    free (buf);
+    return nullptr;
+  }
+
+  return hb_blob_create (buf, face_length, HB_MEMORY_MODE_WRITABLE, buf, free);
+}
+
 static hb_blob_t *
 _hb_subset_face_reference_table (hb_face_t *face, hb_tag_t tag, void *user_data)
 {
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) user_data;
 
   if (!tag)
-  {
-    /* TODO Compile face blob... */
-    return nullptr;
-  }
+    return _hb_subset_face_data_reference_blob (data);
 
-  hb_subset_face_data_t::table_entry_t *entry = data->tables.lsearch (&tag);
+  hb_subset_face_data_t::table_entry_t *entry = data->tables.lsearch (tag);
   if (entry)
     return hb_blob_reference (entry->blob);
 
@@ -182,7 +221,7 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
 
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) face->user_data;
 
-  hb_subset_face_data_t::table_entry_t *entry = data->tables.lsearch (&tag);
+  hb_subset_face_data_t::table_entry_t *entry = data->tables.lsearch (tag);
   if (unlikely (!entry))
     return false;
 
diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index db4bbe923..866a8333c 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -32,7 +32,12 @@
 
 /* Unit tests for hb-subset.h */
 
-static const char test_data[] = { 0, 0, 1, 0 };
+static const char test_data[] = { 0, 1, 0, 0,	/* sfntVersion */
+				  0, 0,		/* numTables */
+				  0, 0x10,	/* searchRange */
+				  0, 0,		/* entrySelector */
+				  0, 0,		/* rangeShift */
+				};
 
 static void
 test_subset (void)
@@ -51,7 +56,7 @@ test_subset (void)
 
   unsigned int output_length;
   const char *output_data = hb_blob_get_data(output, &output_length);
-  g_assert_cmpmem(test_data, 4, output_data, output_length);
+  g_assert_cmpmem (test_data, sizeof (test_data), output_data, output_length);
 
   hb_blob_destroy(output);
   hb_subset_input_destroy(input);

From eeffabc87572193a9e95f22647e80ae44e5a0089 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 21:34:05 -0600
Subject: [PATCH 0998/1326] Build

---
 src/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 59ca64827..e450ea73c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -14,7 +14,7 @@ DISTCHECK_CONFIGURE_FLAGS = --enable-introspection
 #AM_CXXFLAGS =
 
 # Convenience targets:
-lib: $(BUILT_SOURCES) libharfbuzz.la
+lib: $(BUILT_SOURCES) libharfbuzz.la libharfbuzz-subset.la
 fuzzing: $(BUILT_SOURCES) libharfbuzz-fuzzing.la
 
 lib_LTLIBRARIES = libharfbuzz.la

From 39b86695cf56736170c772424c9a8b75bca0254c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 21:37:03 -0600
Subject: [PATCH 0999/1326] [subset] Fix thinko

---
 src/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index ed4394dac..8c1e43f73 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -221,7 +221,7 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
 
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) face->user_data;
 
-  hb_subset_face_data_t::table_entry_t *entry = data->tables.lsearch (tag);
+  hb_subset_face_data_t::table_entry_t *entry = data->tables.push ();
   if (unlikely (!entry))
     return false;
 

From 931f8b7eb5e740ce81e5be6bfec60dbe3ac7ebc4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 21:42:03 -0600
Subject: [PATCH 1000/1326] Fix another thinko

---
 src/hb-open-file-private.hh | 2 +-
 src/hb-private.hh           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 631723998..c2e1f7de3 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -145,7 +145,7 @@ typedef struct OffsetTable
       rec.checkSum.set_for_data (hb_blob_get_data (blob, nullptr), rec.length);
       rec.offset.serialize (c, this);
       void *p = c->allocate_size<void> (rec.length);
-      if (unlikely (!p)) return false;
+      if (unlikely (!p)) {return false;}
       memcpy (p, hb_blob_get_data (blob, nullptr), rec.length);
       if (rec.length % 4)
 	p = c->allocate_size<void> (4 - rec.length % 4);
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 118f2924b..59d732afc 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -383,7 +383,7 @@ _hb_unsigned_int_mul_overflows (unsigned int count, unsigned int size)
 static inline unsigned int
 _hb_ceil_to_4 (unsigned int v)
 {
-  return ((v - 1) & 3) + 1;
+  return ((v - 1) | 3) + 1;
 }
 
 

From 941bbd9f257367f838e55d079751c6059974fe2f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 21:49:01 -0600
Subject: [PATCH 1001/1326] [subset] Fix thinko

---
 src/hb-open-file-private.hh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index c2e1f7de3..606ee19ab 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -136,11 +136,12 @@ typedef struct OffsetTable
     if (unlikely (!c->extend_min (*this))) return_trace (false);
     sfnt_version.set (sfnt_tag);
     if (unlikely (!tables.serialize (c, table_count))) return_trace (false);
+
     for (unsigned int i = 0; i < table_count; i++)
     {
       TableRecord &rec = tables.array[i];
       hb_blob_t *blob = blobs[i];
-      rec.tag.set (tags[0]);
+      rec.tag.set (tags[i]);
       rec.length.set (hb_blob_get_length (blob));
       rec.checkSum.set_for_data (hb_blob_get_data (blob, nullptr), rec.length);
       rec.offset.serialize (c, this);
@@ -150,6 +151,9 @@ typedef struct OffsetTable
       if (rec.length % 4)
 	p = c->allocate_size<void> (4 - rec.length % 4);
     }
+    tags.advance (table_count);
+    blobs.advance (table_count);
+
     tables.qsort ();
     return_trace (true);
   }

From 77ad8b5c8b3a9148cf2944abdd494618e642ee2c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 7 Feb 2018 21:54:33 -0600
Subject: [PATCH 1002/1326] TODO

---
 src/hb-open-file-private.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 606ee19ab..ab168ab87 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -154,6 +154,8 @@ typedef struct OffsetTable
     tags.advance (table_count);
     blobs.advance (table_count);
 
+    /* TODO: update head table checkSumAdjustment. */
+
     tables.qsort ();
     return_trace (true);
   }

From 1242ad8424f5e8357fe6fd2143430aa8cfaf0954 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 14:10:01 -0600
Subject: [PATCH 1003/1326] [test/text-rendering-tests] Update from upstream

---
 test/shaping/data/text-rendering-tests/DISABLED  |   2 ++
 .../data/text-rendering-tests/Makefile.sources   |   2 ++
 .../fonts/TestMORXTwentyfive.ttf                 | Bin 0 -> 3260 bytes
 .../fonts/TestMORXTwentysix.ttf                  | Bin 0 -> 3260 bytes
 .../text-rendering-tests/tests/MORX-25.tests     |   9 +++++++++
 .../text-rendering-tests/tests/MORX-26.tests     |   2 ++
 6 files changed, 15 insertions(+)
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTwentyfive.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/fonts/TestMORXTwentysix.ttf
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-25.tests
 create mode 100644 test/shaping/data/text-rendering-tests/tests/MORX-26.tests

diff --git a/test/shaping/data/text-rendering-tests/DISABLED b/test/shaping/data/text-rendering-tests/DISABLED
index 51174553b..dbe870f15 100644
--- a/test/shaping/data/text-rendering-tests/DISABLED
+++ b/test/shaping/data/text-rendering-tests/DISABLED
@@ -24,6 +24,8 @@ tests/MORX-20.tests
 tests/MORX-21.tests
 tests/MORX-22.tests
 tests/MORX-23.tests
+tests/MORX-25.tests
+tests/MORX-26.tests
 
 # Rounding differences
 tests/SHARAN-1.tests
diff --git a/test/shaping/data/text-rendering-tests/Makefile.sources b/test/shaping/data/text-rendering-tests/Makefile.sources
index b12f17337..f77c1bce4 100644
--- a/test/shaping/data/text-rendering-tests/Makefile.sources
+++ b/test/shaping/data/text-rendering-tests/Makefile.sources
@@ -48,6 +48,8 @@ DISBALED_TESTS = \
 	tests/MORX-21.tests \
 	tests/MORX-22.tests \
 	tests/MORX-23.tests \
+	tests/MORX-25.tests \
+	tests/MORX-26.tests \
 	tests/MORX-2.tests \
 	tests/MORX-3.tests \
 	tests/MORX-4.tests \
diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentyfive.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentyfive.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..e3fadf519148b310ef27ab9f8ad758f8980df442
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentysix.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentysix.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..828f644129f2ffd566c0bc3d98eaaf5cabaec306
GIT binary patch
literal 3260
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literal 0
HcmV?d00001

diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-25.tests b/test/shaping/data/text-rendering-tests/tests/MORX-25.tests
new file mode 100644
index 000000000..ccd0563d5
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-25.tests
@@ -0,0 +1,9 @@
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043,U+0044,U+0045:[A.alt|B.alt@1000,0|C.alt@2000,0|D.alt@3000,0|E.alt@4000,0]
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0045,U+0042,U+0043,U+0044,U+0041:[E|B@556,0|C@1182,0|D@1778,0|A@2452,0]
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0043,U+0042,U+0041,U+0042,U+0043:[C|B@596,0|A.alt@1222,0|B.alt@2222,0|C.alt@3222,0]
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042,U+0043:[A.alt|B.alt@1000,0|C.alt@2000,0]
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0043,U+0042,U+0041:[C|B@596,0|A@1222,0]
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042:[A.alt|B.alt@1000,0]
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0042,U+0041:[B|A@626,0]
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041:[A]
+../fonts/TestMORXTwentyfive.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0042:[B]
diff --git a/test/shaping/data/text-rendering-tests/tests/MORX-26.tests b/test/shaping/data/text-rendering-tests/tests/MORX-26.tests
new file mode 100644
index 000000000..bebae606f
--- /dev/null
+++ b/test/shaping/data/text-rendering-tests/tests/MORX-26.tests
@@ -0,0 +1,2 @@
+../fonts/TestMORXTwentysix.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0041,U+0042:[A|B@639,0]
+../fonts/TestMORXTwentysix.ttf:--font-size=1000 --ned --remove-default-ignorables --font-funcs=ft:U+0042:[B.alt]

From 5021ba2a2186a77d7d70be5602b960d14634d8b2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 15:11:28 -0600
Subject: [PATCH 1004/1326] [aat] Minor

---
 src/hb-aat-layout-common-private.hh | 10 +++++-----
 src/hb-aat-layout-morx-table.hh     |  7 +++----
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index e0f59a4ad..fea3b0949 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -563,9 +563,9 @@ struct StateTable
     unsigned int entry = 0;
     while (state < num_states)
     {
-      if (unlikely (!c->check_array (states + state * nClasses,
-				     states[0].static_size,
-				     nClasses * (num_states - state))))
+      if (unlikely (!c->check_array (states,
+				     states[0].static_size * nClasses,
+				     num_states)))
 	return_trace (false);
       { /* Sweep new states. */
 	const HBUINT16 *stop = &states[num_states * nClasses];
@@ -574,9 +574,9 @@ struct StateTable
 	state = num_states;
       }
 
-      if (unlikely (!c->check_array (entries + entry,
+      if (unlikely (!c->check_array (entries,
 				     entries[0].static_size,
-				     num_entries - entry)))
+				     num_entries)))
 	return_trace (false);
       { /* Sweep new entries. */
 	const Entry<Extra> *stop = &entries[num_entries];
diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index f8209a600..fc834ebf2 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -281,7 +281,7 @@ struct ContextualSubtable
     TRACE_SANITIZE (this);
 
     unsigned int num_entries = 0;
-    if (unlikely (!machine.sanitize (c, &num_entries))) return false;
+    if (unlikely (!machine.sanitize (c, &num_entries))) return_trace (false);
 
     unsigned int num_lookups = 0;
 
@@ -454,9 +454,8 @@ struct LigatureSubtable
   {
     TRACE_SANITIZE (this);
     /* The rest of array sanitizations are done at run-time. */
-    return c->check_struct (this) && machine.sanitize (c) &&
-	   ligAction && component && ligature;
-    return_trace (true);
+    return_trace (c->check_struct (this) && machine.sanitize (c) &&
+		  ligAction && component && ligature);
   }
 
   protected:

From 194140d3f352b53b95757cccb7fff50425747cd6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 16:27:57 -0600
Subject: [PATCH 1005/1326] [util] Minor

---
 util/hb-subset.cc |  2 +-
 util/options.hh   | 10 ++++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index fb6d36357..37ec7b51d 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -73,7 +73,7 @@ struct subset_consumer_t
       fprintf(stderr, "Unable to open output file\n");
       return false;
     }
-    size_t bytes_written = fwrite(data, 1, data_length, fp_out);
+    ssize_t bytes_written = fwrite(data, 1, data_length, fp_out);
 
     if (bytes_written == -1) {
       fprintf(stderr, "Unable to write output file\n");
diff --git a/util/options.hh b/util/options.hh
index 155f70798..411165bf2 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -240,19 +240,25 @@ struct shape_options_t : option_group_t
     {
       if (error)
         *error = "all shapers failed.";
-      return false;
+      goto fail;
     }
 
     if (normalize_glyphs)
       hb_buffer_normalize_glyphs (buffer);
 
     if (verify && !verify_buffer (buffer, text_buffer, font, error))
-      return false;
+      goto fail;
 
     if (text_buffer)
       hb_buffer_destroy (text_buffer);
 
     return true;
+
+  fail:
+    if (text_buffer)
+      hb_buffer_destroy (text_buffer);
+
+    return false;
   }
 
   bool verify_buffer (hb_buffer_t  *buffer,

From 3b68a03a1c5a23adbc73f4508009dd5b72bc9d81 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 17:00:37 -0600
Subject: [PATCH 1006/1326] [fuzzer] Minor

---
 src/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index e450ea73c..500730d4b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -159,7 +159,7 @@ EXTRA_LTLIBRARIES = libharfbuzz-fuzzing.la
 libharfbuzz_fuzzing_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_fuzzing_la_SOURCES = $(libharfbuzz_la_SOURCES)
 libharfbuzz_fuzzing_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(FUZZING_CPPFLAGS)
-libharfbuzz_fuzzing_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
+libharfbuzz_fuzzing_la_LDFLAGS = $(AM_LDFLAGS)
 libharfbuzz_fuzzing_la_LIBADD = $(libharfbuzz_la_LIBADD)
 EXTRA_libharfbuzz_fuzzing_la_DEPENDENCIES = $(EXTRA_libharfbuzz_la_DEPENDENCIES)
 CLEANFILES += libharfbuzz-fuzzing.la

From b220b5a44425db387b2149c4904a43ab369a2d6a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 17:14:52 -0600
Subject: [PATCH 1007/1326] Avoid undefined-behavior in fallback mark
 positioning

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5584
---
 src/hb-ot-shape-fallback.cc | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index 6b228790a..0e5b20f19 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -200,8 +200,7 @@ position_mark (const hb_ot_shape_plan_t *plan,
 	       unsigned int combining_class)
 {
   hb_glyph_extents_t mark_extents;
-  if (!font->get_glyph_extents (buffer->info[i].codepoint,
-				&mark_extents))
+  if (!font->get_glyph_extents (buffer->info[i].codepoint, &mark_extents))
     return;
 
   hb_position_t y_gap = font->y_scale / 16;
@@ -322,7 +321,9 @@ position_around_base (const hb_ot_shape_plan_t *plan,
   base_extents.y_bearing += buffer->pos[base].y_offset;
 
   unsigned int lig_id = _hb_glyph_info_get_lig_id (&buffer->info[base]);
-  unsigned int num_lig_components = _hb_glyph_info_get_lig_num_comps (&buffer->info[base]);
+  /* Use integer for num_lig_components such that it doesn't convert to unsigned
+   * when we divide or multiply by it. */
+  int num_lig_components = _hb_glyph_info_get_lig_num_comps (&buffer->info[base]);
 
   hb_position_t x_offset = 0, y_offset = 0;
   if (HB_DIRECTION_IS_FORWARD (buffer->props.direction)) {
@@ -331,7 +332,7 @@ position_around_base (const hb_ot_shape_plan_t *plan,
   }
 
   hb_glyph_extents_t component_extents = base_extents;
-  unsigned int last_lig_component = (unsigned int) -1;
+  int last_lig_component = -1;
   unsigned int last_combining_class = 255;
   hb_glyph_extents_t cluster_extents = base_extents; /* Initialization is just to shut gcc up. */
   hb_glyph_info_t *info = buffer->info;
@@ -340,7 +341,7 @@ position_around_base (const hb_ot_shape_plan_t *plan,
     {
       if (num_lig_components > 1) {
 	unsigned int this_lig_id = _hb_glyph_info_get_lig_id (&info[i]);
-	unsigned int this_lig_component = _hb_glyph_info_get_lig_comp (&info[i]) - 1;
+	int this_lig_component = _hb_glyph_info_get_lig_comp (&info[i]) - 1;
 	/* Conditions for attaching to the last component. */
 	if (!lig_id || lig_id != this_lig_id || this_lig_component >= num_lig_components)
 	  this_lig_component = num_lig_components - 1;

From c1ab95dd907b1c4a2e2de17447683fe803fe4087 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 17:22:07 -0600
Subject: [PATCH 1008/1326] Fix overflow in space fallback shaping

Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=657466
---
 src/hb-ot-shape-fallback.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index 0e5b20f19..c7b46053d 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -527,7 +527,7 @@ _hb_ot_shape_fallback_spaces (const hb_ot_shape_plan_t *plan,
 	  break;
 
 	case t::SPACE_4_EM_18:
-	  pos[i].x_advance = font->x_scale * 4 / 18;
+	  pos[i].x_advance = (int64_t) font->x_scale * 4 / 18;
 	  break;
 
 	case t::SPACE_FIGURE:

From 0859a006695097c2a66a07284f3cc5b8de8edb05 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 7 Feb 2018 15:59:36 -0800
Subject: [PATCH 1009/1326] sketch a subset<T> and call it for cmap. Add subset
 to cmap, albeit not working even for the msot basic case just yet

---
 src/hb-ot-cmap-table.hh | 18 ++++++++++++++++--
 src/hb-subset.cc        | 30 ++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index b9d6e248a..570f13408 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -27,8 +27,8 @@
 #ifndef HB_OT_CMAP_TABLE_HH
 #define HB_OT_CMAP_TABLE_HH
 
-#include "hb-open-type-private.hh"
-
+#include "hb-open-type-private.hh"          
+#include "hb-subset-plan.hh"
 
 namespace OT {
 
@@ -504,6 +504,20 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
+  inline bool subset(hb_subset_plan_t *plan, OT::hb_serialize_context_t *out) const
+  {
+    // Same version
+    OT::cmap new_cmap;
+    new_cmap.version = version;
+    new_cmap.encodingRecord.len.set(1); // one format 12 subtable    
+
+    // TODO we need to actually build the format 12 subtable
+
+    // TODO: this fails
+    // out->extend_min(new_cmap);
+    return true;
+  }
+
   struct accelerator_t
   {
     inline void init (hb_face_t *face)
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 8c1e43f73..9c1d6d43e 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -26,6 +26,8 @@
  */
 
 #include "hb-object-private.hh"
+#include "hb-open-type-private.hh"    
+
 #include "hb-private.hh"
 
 #include "hb-subset-glyf.hh"
@@ -33,6 +35,7 @@
 #include "hb-subset-plan.hh"
 
 #include "hb-open-file-private.hh"
+#include "hb-ot-cmap-table.hh"
 #include "hb-ot-glyf-table.hh"
 
 
@@ -104,6 +107,26 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
   free (subset_input);
 }
 
+template<typename TableType>
+hb_bool_t
+subset(hb_subset_plan_t *plan, hb_face_t *face, hb_blob_t **out)
+{
+    OT::Sanitizer<TableType> sanitizer;
+    hb_blob_t *table_blob = sanitizer.sanitize (face->reference_table (TableType::tableTag));
+    if (unlikely(!table_blob)) {
+      return false;
+    }
+    const TableType *table = OT::Sanitizer<TableType>::lock_instance (table_blob);
+
+    // TODO actually manage the context/output memory
+    size_t dest_sz = 64536; // as much as anyone would ever need
+    void *dest = malloc(dest_sz);
+    OT::hb_serialize_context_t context(dest, dest_sz);
+    hb_bool_t result = table->subset(plan, &context);
+    // TODO populate out
+    hb_blob_destroy (table_blob);
+    return result;
+}
 
 
 /*
@@ -289,6 +312,13 @@ hb_subset (hb_face_t *source,
   }
   hb_blob_destroy (glyf_prime);
 
+  hb_blob_t *cmap_prime = nullptr;
+  if (subset<const OT::cmap>(plan, source, &cmap_prime)) {
+    DEBUG_MSG(SUBSET, nullptr, "subset cmap success!");
+  } else {
+    DEBUG_MSG(SUBSET, nullptr, "subset cmap FAILED!");
+  }
+
   hb_subset_plan_destroy (plan);
 
   return face;

From 13193a9b97302480cc11787787fa6826a97be4bb Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 7 Feb 2018 16:09:52 -0800
Subject: [PATCH 1010/1326] move to the hb_face_t dest pattern

---
 src/hb-ot-cmap-table.hh |  7 ++++++-
 src/hb-subset.cc        | 28 +++++++++++++---------------
 2 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 570f13408..219eca7b2 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -504,8 +504,13 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
-  inline bool subset(hb_subset_plan_t *plan, OT::hb_serialize_context_t *out) const
+  inline bool subset(hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest) const
   {
+    // TODO something useful re: memory, write to dest
+    size_t dest_sz = 64536; // as much as anyone would ever need
+    void *dest_buf = malloc(dest_sz);
+    OT::hb_serialize_context_t context(dest_buf, dest_sz);
+
     // Same version
     OT::cmap new_cmap;
     new_cmap.version = version;
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 9c1d6d43e..bd4e34f61 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -109,22 +109,21 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
 
 template<typename TableType>
 hb_bool_t
-subset(hb_subset_plan_t *plan, hb_face_t *face, hb_blob_t **out)
+subset(hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 {
     OT::Sanitizer<TableType> sanitizer;
-    hb_blob_t *table_blob = sanitizer.sanitize (face->reference_table (TableType::tableTag));
+    hb_blob_t *table_blob = sanitizer.sanitize (source->reference_table (TableType::tableTag));
     if (unlikely(!table_blob)) {
+      DEBUG_MSG(SUBSET, nullptr, "Failed to reference table for tag %d", TableType::tableTag);
       return false;
     }
     const TableType *table = OT::Sanitizer<TableType>::lock_instance (table_blob);
-
-    // TODO actually manage the context/output memory
-    size_t dest_sz = 64536; // as much as anyone would ever need
-    void *dest = malloc(dest_sz);
-    OT::hb_serialize_context_t context(dest, dest_sz);
-    hb_bool_t result = table->subset(plan, &context);
-    // TODO populate out
+    hb_bool_t result = table->subset(plan, source, dest);
+    
     hb_blob_destroy (table_blob);
+
+    // TODO string not numeric tag
+    DEBUG_MSG(SUBSET, nullptr, "Subset %d %s", TableType::tableTag, result ? "success" : "FAILED!");
     return result;
 }
 
@@ -306,18 +305,17 @@ hb_subset (hb_face_t *source,
   //   - copy the table into the output.
   // - Fix header + table directory.
 
+  bool success = true;
+
+  hb_face_t *dest = nullptr; // TODO allocate dest
+
   hb_blob_t *glyf_prime = nullptr;
   if (hb_subset_glyf (plan, source, &glyf_prime)) {
     // TODO: write new glyf to new face.
   }
   hb_blob_destroy (glyf_prime);
 
-  hb_blob_t *cmap_prime = nullptr;
-  if (subset<const OT::cmap>(plan, source, &cmap_prime)) {
-    DEBUG_MSG(SUBSET, nullptr, "subset cmap success!");
-  } else {
-    DEBUG_MSG(SUBSET, nullptr, "subset cmap FAILED!");
-  }
+  success = success && subset<const OT::cmap>(plan, source, dest);
 
   hb_subset_plan_destroy (plan);
 

From 217ed5e3c885532fa8b332cc0d0f9cb4eef32e2b Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Feb 2018 16:30:07 -0800
Subject: [PATCH 1011/1326] Cleanups in hb-subset-glyf and hb-subset-plan.

---
 src/hb-subset-glyf.cc | 30 +++++++++++++++---------------
 src/hb-subset-plan.hh |  2 +-
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 6581754b5..24256454f 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -30,15 +30,15 @@
 #include "hb-subset-glyf.hh"
 
 bool
-calculate_glyf_prime_size (const OT::glyf::accelerator_t &glyf,
-                           hb_set_t *glyph_ids,
-                           unsigned int *size /* OUT */)
+_calculate_glyf_prime_size (const OT::glyf::accelerator_t &glyf,
+                            hb_set_t *glyph_ids,
+                            unsigned int *size /* OUT */)
 {
   unsigned int total = 0;
   hb_codepoint_t next_glyph = -1;
   while (hb_set_next(glyph_ids, &next_glyph)) {
     unsigned int start_offset, end_offset;
-    if (!glyf.get_offsets (next_glyph, &start_offset, &end_offset)) {
+    if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
       *size = 0;
       return false;
     }
@@ -51,18 +51,18 @@ calculate_glyf_prime_size (const OT::glyf::accelerator_t &glyf,
 }
 
 bool
-write_glyf_prime (const OT::glyf::accelerator_t &glyf,
-                  const char                    *glyf_data,
-                  hb_set_t                      *glyph_ids,
-                  int                            glyf_prime_size,
-                  char                          *glyf_prime_data /* OUT */)
+_write_glyf_prime (const OT::glyf::accelerator_t &glyf,
+                   const char                    *glyf_data,
+                   hb_set_t                      *glyph_ids,
+                   int                            glyf_prime_size,
+                   char                          *glyf_prime_data /* OUT */)
 {
   char *glyf_prime_data_next = glyf_prime_data;
 
   hb_codepoint_t next_glyph = -1;
   while (hb_set_next(glyph_ids, &next_glyph)) {
     unsigned int start_offset, end_offset;
-    if (!glyf.get_offsets (next_glyph, &start_offset, &end_offset)) {
+    if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
       return false;
     }
 
@@ -85,15 +85,15 @@ _hb_subset_glyf (const OT::glyf::accelerator_t  &glyf,
   // TODO(grieger): Subset loca simultaneously.
 
   unsigned int glyf_prime_size;
-  if (!calculate_glyf_prime_size (glyf,
-                                  glyphs_to_retain,
-                                  &glyf_prime_size)) {
+  if (unlikely (!_calculate_glyf_prime_size (glyf,
+                                             glyphs_to_retain,
+                                             &glyf_prime_size))) {
     return false;
   }
 
   char *glyf_prime_data = (char *) calloc (glyf_prime_size, 1);
-  if (!write_glyf_prime (glyf, glyf_data, glyphs_to_retain, glyf_prime_size,
-                         glyf_prime_data)) {
+  if (unlikely (!_write_glyf_prime (glyf, glyf_data, glyphs_to_retain, glyf_prime_size,
+                                    glyf_prime_data))) {
     free (glyf_prime_data);
     return false;
   }
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index b1ed1add8..1e572a43c 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -55,4 +55,4 @@ hb_subset_plan_get_empty ();
 void
 hb_subset_plan_destroy (hb_subset_plan_t *plan);
 
-#endif /* HB_SUBSET_PLAN_PRIVATE_HH */
+#endif /* HB_SUBSET_PLAN_HH */

From 89dbebd4ad948ddad8e10323315a809c11d7cafa Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Feb 2018 16:32:56 -0800
Subject: [PATCH 1012/1326] Add a basic test for glyf subsetting.

---
 test/api/Makefile.am                  |   4 +
 test/api/fonts/Roboto-Regular.abc.ttf | Bin 0 -> 2460 bytes
 test/api/fonts/Roboto-Regular.ac.ttf  | Bin 0 -> 2268 bytes
 test/api/test-subset-glyf.c           | 134 ++++++++++++++++++++++++++
 4 files changed, 138 insertions(+)
 create mode 100644 test/api/fonts/Roboto-Regular.abc.ttf
 create mode 100644 test/api/fonts/Roboto-Regular.ac.ttf
 create mode 100644 test/api/test-subset-glyf.c

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index d596c38d8..9cda5ef37 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -30,11 +30,13 @@ TEST_PROGS = \
 	test-set \
 	test-shape \
 	test-subset \
+	test-subset-glyf \
 	test-unicode \
 	test-version \
 	$(NULL)
 
 test_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
+test_subset_glyf_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 
 test_unicode_CPPFLAGS = \
 	$(AM_CPPFLAGS) \
@@ -60,6 +62,8 @@ TEST_PROGS += \
 test_ot_math_LDADD = $(LDADD) $(FREETYPE_LIBS)
 test_ot_math_CPPFLAGS = $(AM_CPPFLAGS) $(FREETYPE_CFLAGS)
 EXTRA_DIST += \
+	fonts/Roboto-Regular.abc.ttf \
+	fonts/Roboto-Regular.ac.ttf \
 	fonts/MathTestFontEmpty.otf \
 	fonts/MathTestFontFull.otf \
 	fonts/MathTestFontNone.otf \
diff --git a/test/api/fonts/Roboto-Regular.abc.ttf b/test/api/fonts/Roboto-Regular.abc.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..9d791f7fc5ba42bb66504843d5841f2b180beef7
GIT binary patch
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diff --git a/test/api/fonts/Roboto-Regular.ac.ttf b/test/api/fonts/Roboto-Regular.ac.ttf
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literal 0
HcmV?d00001

diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
new file mode 100644
index 000000000..320bfd2bf
--- /dev/null
+++ b/test/api/test-subset-glyf.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include <stdbool.h>
+
+#include "hb-test.h"
+
+#ifndef g_assert_cmpmem
+#define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)
+#endif
+
+static char *
+read_file (const char *path,
+           size_t     *length)
+{
+  FILE *fp = fopen (path, "rb");
+
+  size_t file_length = 0;
+  char *buffer = NULL;
+  if (fp && fseek (fp, 0, SEEK_END) == 0) {
+    file_length = ftell(fp);
+    rewind (fp);
+  }
+
+  bool success = false;
+  if (file_length > 0) {
+    buffer = (char *) calloc (file_length + 1, sizeof(char));
+    if (fread (buffer, 1, file_length, fp) == file_length) {
+      *length = file_length;
+    } else {
+      free (buffer);
+      buffer = NULL;
+    }
+  }
+
+  if (fp)
+    fclose(fp);
+
+  return buffer;
+}
+
+static hb_face_t *
+open_font (const char *font_path)
+{
+  gchar *path = g_test_build_filename(G_TEST_DIST, font_path, NULL);
+
+  size_t length;
+  char *font_data = read_file(path, &length);
+
+  if (font_data != NULL) {
+    hb_blob_t *blob = hb_blob_create (font_data,
+                                      length,
+                                      HB_MEMORY_MODE_READONLY,
+                                      font_data,
+                                      free);
+    hb_face_t *face = hb_face_create (blob, 0);
+    hb_blob_destroy (blob);
+    return face;
+  }
+
+  return NULL;
+}
+
+
+/* Unit tests for hb-subset-glyf.h */
+
+static void
+test_subset_glyf (void)
+{
+  hb_face_t *face_abc = open_font("fonts/Roboto-Regular.abc.ttf");
+  hb_face_t *face_ac = open_font("fonts/Roboto-Regular.ac.ttf");
+
+  g_assert (face_abc);
+  g_assert (face_ac);
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 97);
+  hb_set_add (codepoints, 99);
+
+  hb_subset_profile_t *profile = hb_subset_profile_create();
+  hb_subset_input_t *input = hb_subset_input_create (codepoints);
+
+  hb_face_t *face_abc_subset = hb_subset (face_abc, profile, input);
+  g_assert (face_abc_subset);
+
+  hb_blob_t *glyf_expected_blob = hb_face_reference_table (face_ac, HB_TAG('g','l','y','f'));
+  hb_blob_t *glyf_actual_blob = hb_face_reference_table (face_abc_subset, HB_TAG('g','l','y','f'));
+
+  int expected_length, actual_length;
+  g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length,
+                  hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length);
+
+  hb_blob_destroy (glyf_actual_blob);
+  hb_blob_destroy (glyf_expected_blob);
+  hb_subset_input_destroy (input);
+  hb_subset_profile_destroy (profile);
+  hb_set_destroy (codepoints);
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_ac);
+}
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_subset_glyf);
+
+  return hb_test_run();
+}

From f2ceb5ee4d745e0e6e754f0b0ea16b29dbedbf1b Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Feb 2018 16:47:31 -0800
Subject: [PATCH 1013/1326] Comment out failing assert in test-subset-glyf for
 now. Should be re-enabled once hb_subset is writing out a new face.

---
 test/api/test-subset-glyf.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 320bfd2bf..b7d569024 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -110,8 +110,9 @@ test_subset_glyf (void)
   hb_blob_t *glyf_actual_blob = hb_face_reference_table (face_abc_subset, HB_TAG('g','l','y','f'));
 
   int expected_length, actual_length;
-  g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length,
-                  hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length);
+  // TODO(grieger): Uncomment below once this actually works.
+  // g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length,
+  //   hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length);
 
   hb_blob_destroy (glyf_actual_blob);
   hb_blob_destroy (glyf_expected_blob);

From f9c665fed1347f7af6d36ba129f9d174f4ac54dc Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Feb 2018 16:53:18 -0800
Subject: [PATCH 1014/1326] Update interface to hb-subset-glyf to subset glyf
 and loca.

---
 src/hb-subset-glyf.cc | 10 +++++++---
 src/hb-subset-glyf.hh |  7 ++++---
 src/hb-subset.cc      |  7 +++++--
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 24256454f..bbd74d7ec 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -83,6 +83,7 @@ _hb_subset_glyf (const OT::glyf::accelerator_t  &glyf,
   // TODO(grieger): Sanity check writes to make sure they are in-bounds.
   // TODO(grieger): Sanity check allocation size for the new table.
   // TODO(grieger): Subset loca simultaneously.
+  // TODO(grieger): Don't fail on bad offsets, just dump them.
 
   unsigned int glyf_prime_size;
   if (unlikely (!_calculate_glyf_prime_size (glyf,
@@ -115,9 +116,10 @@ _hb_subset_glyf (const OT::glyf::accelerator_t  &glyf,
  * Since: 1.7.5
  **/
 bool
-hb_subset_glyf (hb_subset_plan_t *plan,
-                hb_face_t        *face,
-                hb_blob_t       **glyf_prime /* OUT */)
+hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
+                         hb_face_t        *face,
+                         hb_blob_t       **glyf_prime /* OUT */,
+                         hb_blob_t       **loca_prime /* OUT */)
 {
   hb_blob_t *glyf_blob = OT::Sanitizer<OT::glyf>().sanitize (face->reference_table (HB_OT_TAG_glyf));
   const char *glyf_data = hb_blob_get_data(glyf_blob, nullptr);
@@ -127,5 +129,7 @@ hb_subset_glyf (hb_subset_plan_t *plan,
   bool result = _hb_subset_glyf (glyf, glyf_data, plan->glyphs_to_retain, glyf_prime);
   glyf.fini();
 
+  // TODO(grieger): Subset loca
+
   return result;
 }
diff --git a/src/hb-subset-glyf.hh b/src/hb-subset-glyf.hh
index fd217e79c..c802da249 100644
--- a/src/hb-subset-glyf.hh
+++ b/src/hb-subset-glyf.hh
@@ -30,8 +30,9 @@
 #include "hb-subset-plan.hh"
 
 bool
-hb_subset_glyf (hb_subset_plan_t *plan,
-                hb_face_t        *face,
-                hb_blob_t       **glyf_prime /* OUT */);
+hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
+                         hb_face_t        *face,
+                         hb_blob_t       **glyf_prime /* OUT */,
+                         hb_blob_t       **loca_prime /* OUT */);
 
 #endif /* HB_SUBSET_GLYF_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index bd4e34f61..f10f35ba4 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -310,8 +310,11 @@ hb_subset (hb_face_t *source,
   hb_face_t *dest = nullptr; // TODO allocate dest
 
   hb_blob_t *glyf_prime = nullptr;
-  if (hb_subset_glyf (plan, source, &glyf_prime)) {
-    // TODO: write new glyf to new face.
+  hb_blob_t *loca_prime = nullptr;
+  if (hb_subset_glyf_and_loca (plan, source, &glyf_prime, &loca_prime)) {
+    // TODO: write new glyf and loca to new face.
+  } else {
+    success = false;
   }
   hb_blob_destroy (glyf_prime);
 

From 8e9fd6f1ab491519cf7205467bc5d20056fce99d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Feb 2018 19:01:21 -0800
Subject: [PATCH 1015/1326] Implement basic loca (long version only)
 subsetting.

---
 src/hb-subset-glyf.cc | 66 ++++++++++++++++++++++++++++++-------------
 1 file changed, 46 insertions(+), 20 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index bbd74d7ec..8221a43d7 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -30,36 +30,48 @@
 #include "hb-subset-glyf.hh"
 
 bool
-_calculate_glyf_prime_size (const OT::glyf::accelerator_t &glyf,
-                            hb_set_t *glyph_ids,
-                            unsigned int *size /* OUT */)
+_calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
+                                     hb_set_t *glyph_ids,
+                                     unsigned int *glyf_size /* OUT */,
+                                     unsigned int *loca_size /* OUT */)
 {
   unsigned int total = 0;
+  unsigned int count = 0;
   hb_codepoint_t next_glyph = -1;
   while (hb_set_next(glyph_ids, &next_glyph)) {
     unsigned int start_offset, end_offset;
     if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
-      *size = 0;
+      *glyf_size = 0;
+      *loca_size = sizeof(OT::HBUINT32);
       return false;
     }
 
     total += end_offset - start_offset;
+    count++;
   }
 
-  *size = total;
+  *glyf_size = total;
+  *loca_size = (count + 1) * sizeof(OT::HBUINT32);
   return true;
 }
 
 bool
-_write_glyf_prime (const OT::glyf::accelerator_t &glyf,
-                   const char                    *glyf_data,
-                   hb_set_t                      *glyph_ids,
-                   int                            glyf_prime_size,
-                   char                          *glyf_prime_data /* OUT */)
+_write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
+                            const char                    *glyf_data,
+                            const hb_set_t                *glyph_ids,
+                            int                            glyf_prime_size,
+                            char                          *glyf_prime_data /* OUT */,
+                            int                            loca_prime_size,
+                            char                          *loca_prime_data /* OUT */)
 {
+  // TODO(grieger): Handle the missing character glyf and outline.
+
   char *glyf_prime_data_next = glyf_prime_data;
+  OT::HBUINT32 *loca_prime = (OT::HBUINT32*) loca_prime_data;
 
   hb_codepoint_t next_glyph = -1;
+  hb_codepoint_t new_glyph_id = 0;
+
   while (hb_set_next(glyph_ids, &next_glyph)) {
     unsigned int start_offset, end_offset;
     if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
@@ -68,33 +80,42 @@ _write_glyf_prime (const OT::glyf::accelerator_t &glyf,
 
     int length = end_offset - start_offset;
     memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
+    loca_prime[new_glyph_id].set(start_offset);
+
     glyf_prime_data_next += length;
+    new_glyph_id++;
   }
 
   return true;
 }
 
 bool
-_hb_subset_glyf (const OT::glyf::accelerator_t  &glyf,
-                 const char                     *glyf_data,
-                 hb_set_t                       *glyphs_to_retain,
-                 hb_blob_t                     **glyf_prime /* OUT */)
+_hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
+                          const char                     *glyf_data,
+                          hb_set_t                       *glyphs_to_retain,
+                          hb_blob_t                     **glyf_prime /* OUT */,
+                          hb_blob_t                     **loca_prime /* OUT */)
 {
   // TODO(grieger): Sanity check writes to make sure they are in-bounds.
   // TODO(grieger): Sanity check allocation size for the new table.
   // TODO(grieger): Subset loca simultaneously.
   // TODO(grieger): Don't fail on bad offsets, just dump them.
+  // TODO(grieger): Support short loca output.
 
   unsigned int glyf_prime_size;
-  if (unlikely (!_calculate_glyf_prime_size (glyf,
-                                             glyphs_to_retain,
-                                             &glyf_prime_size))) {
+  unsigned int loca_prime_size;
+  if (unlikely (!_calculate_glyf_and_loca_prime_size (glyf,
+                                                      glyphs_to_retain,
+                                                      &glyf_prime_size,
+                                                      &loca_prime_size))) {
     return false;
   }
 
   char *glyf_prime_data = (char *) calloc (glyf_prime_size, 1);
-  if (unlikely (!_write_glyf_prime (glyf, glyf_data, glyphs_to_retain, glyf_prime_size,
-                                    glyf_prime_data))) {
+  char *loca_prime_data = (char *) calloc (loca_prime_size, 1);
+  if (unlikely (!_write_glyf_and_loca_prime (glyf, glyf_data, glyphs_to_retain,
+                                             glyf_prime_size, glyf_prime_data,
+                                             loca_prime_size, loca_prime_data))) {
     free (glyf_prime_data);
     return false;
   }
@@ -104,6 +125,11 @@ _hb_subset_glyf (const OT::glyf::accelerator_t  &glyf,
                                 HB_MEMORY_MODE_READONLY,
                                 glyf_prime_data,
                                 free);
+  *loca_prime = hb_blob_create (loca_prime_data,
+                                loca_prime_size,
+                                HB_MEMORY_MODE_READONLY,
+                                loca_prime_data,
+                                free);
   return true;
 }
 
@@ -126,7 +152,7 @@ hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
 
   OT::glyf::accelerator_t glyf;
   glyf.init(face);
-  bool result = _hb_subset_glyf (glyf, glyf_data, plan->glyphs_to_retain, glyf_prime);
+  bool result = _hb_subset_glyf_and_loca (glyf, glyf_data, plan->glyphs_to_retain, glyf_prime, loca_prime);
   glyf.fini();
 
   // TODO(grieger): Subset loca

From f9420d9effcfb3464d4b99e54decb3d90e4a410d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 11:30:36 -0800
Subject: [PATCH 1016/1326] In the hb-subset to fontTools comparison, use ttx
 to compare the fonts. This allows for some binary differences such as
 re-ordered tables.

---
 test/subset/run-tests.py | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index b0054802f..326951620 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -47,19 +47,26 @@ def run_test(test):
 	if return_code:
 		return fail_test(test, cli_args, "%s returned %d" % (' '.join(cli_args), return_code))
 
-	expected = read_binary(os.path.join(test_suite.get_output_directory(),
+        expected_ttx, return_code = run_ttx(os.path.join(test_suite.get_output_directory(),
 					    test.get_font_name()))
-	actual = read_binary(out_file)
+        if return_code:
+		return fail_test(test, cli_args, "ttx (expected) returned %d" % (return_code))
 
-	if len(actual) != len(expected):
-		return fail_test(test, cli_args, "expected %d bytes, actual %d: %s" % (
-				len(expected), len(actual), ' '.join(cli_args)))
+        actual_ttx, return_code = run_ttx(out_file)
+        if return_code:
+		return fail_test(test, cli_args, "ttx (actual) returned %d" % (return_code))
 
-	if not actual == expected:
-		return fail_test(test, cli_args, 'files are the same length but not the same bytes')
+	if not actual_ttx == expected_ttx:
+		return fail_test(test, cli_args, 'ttx for expected and actual does not match.')
 
 	return 0
 
+def run_ttx(file):
+        cli_args = ["ttx",
+                    "-o-",
+                    file]
+        return cmd(cli_args)
+
 
 args = sys.argv[1:]
 if not args or sys.argv[1].find('hb-subset') == -1 or not os.path.exists (sys.argv[1]):

From 29d915284e46fb9be01221a88c9e969080daa1b2 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 11:31:27 -0800
Subject: [PATCH 1017/1326] Whitespace

---
 test/subset/run-tests.py | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 326951620..353101a3f 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -47,13 +47,13 @@ def run_test(test):
 	if return_code:
 		return fail_test(test, cli_args, "%s returned %d" % (' '.join(cli_args), return_code))
 
-        expected_ttx, return_code = run_ttx(os.path.join(test_suite.get_output_directory(),
+	expected_ttx, return_code = run_ttx(os.path.join(test_suite.get_output_directory(),
 					    test.get_font_name()))
-        if return_code:
+	if return_code:
 		return fail_test(test, cli_args, "ttx (expected) returned %d" % (return_code))
 
-        actual_ttx, return_code = run_ttx(out_file)
-        if return_code:
+	actual_ttx, return_code = run_ttx(out_file)
+	if return_code:
 		return fail_test(test, cli_args, "ttx (actual) returned %d" % (return_code))
 
 	if not actual_ttx == expected_ttx:
@@ -62,10 +62,10 @@ def run_test(test):
 	return 0
 
 def run_ttx(file):
-        cli_args = ["ttx",
-                    "-o-",
-                    file]
-        return cmd(cli_args)
+	cli_args = ["ttx",
+		    "-o-",
+		    file]
+	return cmd(cli_args)
 
 
 args = sys.argv[1:]

From d4d120ad79ff65c6987ca127da5d9ee30740b0b1 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 14:26:18 -0800
Subject: [PATCH 1018/1326] Skip subset to fonttools comparison test if TTX is
 not present.

---
 test/subset/run-tests.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 353101a3f..c19004ab4 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -78,6 +78,11 @@ if not len(args):
 	print ("No tests supplied.")
 	sys.exit (1)
 
+_, returncode = cmd(["which", "ttx"])
+if returncode:
+  print("TTX is not present, skipping test.")
+  sys.exit (77)
+
 fails = 0
 for path in args:
 	with io.open(path, mode="r", encoding="utf-8") as f:

From 0f3c756cbfe8a263ee388481acac7a24d9684c44 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 14:59:32 -0800
Subject: [PATCH 1019/1326] Add CMake config for building a separate
 harfbuzz-subset.

---
 CMakeLists.txt          | 17 ++++++++++++++---
 test/api/CMakeLists.txt |  2 +-
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bfe0e3062..6199e4421 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -253,8 +253,10 @@ set (project_sources
 
   ${HB_FALLBACK_sources}
   ${HB_OT_sources}
-  ${HB_OT_RAGEL_GENERATED_sources}
+  ${HB_OT_RAGEL_GENERATED_sources}  
+)
 
+set (subset_project_sources
   ${HB_SUBSET_sources}
 )
 
@@ -268,6 +270,10 @@ set (project_headers
   ${HB_SUBSET_headers}
 )
 
+set (subset_project_headers
+  ${HB_SUBSET_headers}
+)
+
 
 ## Find and include needed header folders and libraries
 if (HB_HAVE_FREETYPE)
@@ -530,6 +536,11 @@ endif ()
 add_library(harfbuzz ${project_sources} ${project_extra_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
 
+## Define harfbuzz-subset library
+add_library(harfbuzz-subset ${subset_project_sources} ${subset_project_headers})
+add_dependencies(harfbuzz-subset harfbuzz)
+target_link_libraries(harfbuzz-subset harfbuzz ${THIRD_PARTY_LIBS})
+
 if (UNIX OR MINGW)
   # Make symbols link locally
   link_libraries(-Bsymbolic-functions)
@@ -540,6 +551,7 @@ if (UNIX OR MINGW)
     set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "m") # libm
     set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
     set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
+    set_target_properties(harfbuzz-subset PROPERTIES LINKER_LANGUAGE C)
   endif ()
 
   # No threadsafe statics as we do it ourselves
@@ -548,7 +560,6 @@ if (UNIX OR MINGW)
   endif ()
 endif ()
 
-
 ## Define harfbuzz-gobject library
 if (HB_HAVE_GOBJECT)
   add_library(harfbuzz-gobject
@@ -720,7 +731,7 @@ if (HB_BUILD_UTILS)
   target_link_libraries(hb-shape harfbuzz)
 
   add_executable(hb-subset ${HB_SUBSET_CLI_sources})
-  target_link_libraries(hb-subset harfbuzz)
+  target_link_libraries(hb-subset harfbuzz harfbuzz-subset)
 
   add_executable(hb-ot-shape-closure ${HB_OT_SHAPE_CLOSURE_sources})
   target_link_libraries(hb-ot-shape-closure harfbuzz)
diff --git a/test/api/CMakeLists.txt b/test/api/CMakeLists.txt
index c3914e481..f1a2300f8 100644
--- a/test/api/CMakeLists.txt
+++ b/test/api/CMakeLists.txt
@@ -20,7 +20,7 @@ if (HB_HAVE_GLIB)
     else ()
       message (FATAL_ERROR "No source file found for test ${test_name}")
     endif ()
-    target_link_libraries (${test_name} harfbuzz)
+    target_link_libraries (${test_name} harfbuzz harfbuzz-subset)
     add_test (${test_name} ${test_name})
   endforeach ()
   set_tests_properties (${TEST_PROGS} PROPERTIES ENVIRONMENT

From 42234424a0fc43d298be082b4c7b1e288e94bbb6 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 15:11:15 -0800
Subject: [PATCH 1020/1326] Fix include gaurds and include order in
 hb-subset-glyf and hb-subset-plan

---
 src/hb-subset-glyf.hh | 6 ++++--
 src/hb-subset-plan.cc | 2 +-
 src/hb-subset-plan.hh | 5 +++--
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/hb-subset-glyf.hh b/src/hb-subset-glyf.hh
index c802da249..035085f03 100644
--- a/src/hb-subset-glyf.hh
+++ b/src/hb-subset-glyf.hh
@@ -24,8 +24,10 @@
  * Google Author(s): Garret Rieger
  */
 
-#ifndef HB_SUBSET_GLYF_H
-#define HB_SUBSET_GLYF_H
+#ifndef HB_SUBSET_GLYF_HH
+#define HB_SUBSET_GLYF_HH
+
+#include "hb-private.hh"
 
 #include "hb-subset-plan.hh"
 
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 20185e1d8..6f889b3c5 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -24,9 +24,9 @@
  * Google Author(s): Garret Rieger, Roderick Sheeter
  */
 
-#include "hb-subset-plan.hh"
 #include "hb-subset-private.hh"
 
+#include "hb-subset-plan.hh"
 #include "hb-ot-cmap-table.hh"
 
 hb_bool_t
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 1e572a43c..a1e4e9e9c 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -24,10 +24,11 @@
  * Google Author(s): Garret Rieger
  */
 
-#ifndef HB_SUBSET_PLAN_H
-#define HB_SUBSET_PLAN_H
+#ifndef HB_SUBSET_PLAN_HH
+#define HB_SUBSET_PLAN_HH
 
 #include "hb-private.hh"
+
 #include "hb-object-private.hh"
 
 struct hb_subset_plan_t {

From 35eeb893efcdfa2bf6a136cd2911d564334e573c Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 15:17:34 -0800
Subject: [PATCH 1021/1326] Don't include subset headers in libharfbuzz.

---
 CMakeLists.txt | 1 -
 1 file changed, 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6199e4421..27a04b1fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -267,7 +267,6 @@ set (project_headers
 
   ${HB_BASE_headers}
   ${HB_OT_headers}
-  ${HB_SUBSET_headers}
 )
 
 set (subset_project_headers

From 9682ef135f16cb3368b9c5970fdcec71301b687e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 17:35:57 -0600
Subject: [PATCH 1022/1326] Minor fixups

---
 CMakeLists.txt              | 2 +-
 src/hb-ot-cmap-table.hh     | 6 +++---
 src/hb-subset.cc            | 6 +++---
 test/api/hb-test.h          | 5 +++++
 test/api/test-subset-glyf.c | 4 ----
 test/api/test-subset.c      | 4 ----
 6 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 27a04b1fd..c21a42918 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -253,7 +253,7 @@ set (project_sources
 
   ${HB_FALLBACK_sources}
   ${HB_OT_sources}
-  ${HB_OT_RAGEL_GENERATED_sources}  
+  ${HB_OT_RAGEL_GENERATED_sources}
 )
 
 set (subset_project_sources
diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 219eca7b2..537336806 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -27,7 +27,7 @@
 #ifndef HB_OT_CMAP_TABLE_HH
 #define HB_OT_CMAP_TABLE_HH
 
-#include "hb-open-type-private.hh"          
+#include "hb-open-type-private.hh"
 #include "hb-subset-plan.hh"
 
 namespace OT {
@@ -504,7 +504,7 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
-  inline bool subset(hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest) const
+  inline bool subset (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest) const
   {
     // TODO something useful re: memory, write to dest
     size_t dest_sz = 64536; // as much as anyone would ever need
@@ -514,7 +514,7 @@ struct cmap
     // Same version
     OT::cmap new_cmap;
     new_cmap.version = version;
-    new_cmap.encodingRecord.len.set(1); // one format 12 subtable    
+    new_cmap.encodingRecord.len.set(1); // one format 12 subtable
 
     // TODO we need to actually build the format 12 subtable
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index f10f35ba4..a46cbd08f 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -26,7 +26,7 @@
  */
 
 #include "hb-object-private.hh"
-#include "hb-open-type-private.hh"    
+#include "hb-open-type-private.hh"
 
 #include "hb-private.hh"
 
@@ -109,7 +109,7 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
 
 template<typename TableType>
 hb_bool_t
-subset(hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
+subset (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 {
     OT::Sanitizer<TableType> sanitizer;
     hb_blob_t *table_blob = sanitizer.sanitize (source->reference_table (TableType::tableTag));
@@ -119,7 +119,7 @@ subset(hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
     }
     const TableType *table = OT::Sanitizer<TableType>::lock_instance (table_blob);
     hb_bool_t result = table->subset(plan, source, dest);
-    
+
     hb_blob_destroy (table_blob);
 
     // TODO string not numeric tag
diff --git a/test/api/hb-test.h b/test/api/hb-test.h
index 040f0c217..f6f107e28 100644
--- a/test/api/hb-test.h
+++ b/test/api/hb-test.h
@@ -161,6 +161,11 @@ typedef void (*hb_test_fixture_func_t) (void);
 #define g_test_fail() g_error("Test failed")
 #endif
 
+#ifndef g_assert_cmpmem
+#define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)
+#endif
+
+
 static inline void
 hb_test_add_func (const char *test_path,
 		  hb_test_func_t   test_func)
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index b7d569024..196047fe6 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -28,10 +28,6 @@
 
 #include "hb-test.h"
 
-#ifndef g_assert_cmpmem
-#define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)
-#endif
-
 static char *
 read_file (const char *path,
            size_t     *length)
diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index 866a8333c..4184a563f 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -26,10 +26,6 @@
 
 #include "hb-test.h"
 
-#ifndef g_assert_cmpmem
-#define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)
-#endif
-
 /* Unit tests for hb-subset.h */
 
 static const char test_data[] = { 0, 1, 0, 0,	/* sfntVersion */

From 1c49afe179e7e1884ceeae1d93e50fa51f18f894 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 17:38:58 -0600
Subject: [PATCH 1023/1326] Whitespace

---
 test/subset/run-tests.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index c19004ab4..7e238b607 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -81,7 +81,7 @@ if not len(args):
 _, returncode = cmd(["which", "ttx"])
 if returncode:
   print("TTX is not present, skipping test.")
-  sys.exit (77)
+	sys.exit (77)
 
 fails = 0
 for path in args:

From e081c9e8fc84843740c8a55b49403acc3fe4f0b7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 8 Feb 2018 17:44:24 -0600
Subject: [PATCH 1024/1326] Oops!

---
 test/subset/run-tests.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 7e238b607..fe9582a78 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -80,7 +80,7 @@ if not len(args):
 
 _, returncode = cmd(["which", "ttx"])
 if returncode:
-  print("TTX is not present, skipping test.")
+	print("TTX is not present, skipping test.")
 	sys.exit (77)
 
 fails = 0

From 2f941053111d60433ab39cc70edd69c962896961 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 15:55:12 -0800
Subject: [PATCH 1025/1326] Disable subset tests on cmake for now.

---
 test/subset/CMakeLists.txt | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/test/subset/CMakeLists.txt b/test/subset/CMakeLists.txt
index 0a1e8f953..6fe377e14 100644
--- a/test/subset/CMakeLists.txt
+++ b/test/subset/CMakeLists.txt
@@ -2,8 +2,9 @@ if (HB_BUILD_UTILS)
   file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/Makefile.sources" SOURCES)
   extract_make_variable (TESTS ${SOURCES})
   foreach (test IN ITEMS ${TESTS})
-    add_test (NAME ${test}
-      COMMAND python run-tests.py $<TARGET_FILE:hb-subset> "data/${test}"
-      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+# TODO(grieger): Re-enable once ttx is available in CI environments.
+#    add_test (NAME ${test}
+#      COMMAND python run-tests.py $<TARGET_FILE:hb-subset> "data/${test}"
+#      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
   endforeach ()
 endif ()

From 3e81832432a1cae0dc28242bb6ff279753effd27 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 15:55:12 -0800
Subject: [PATCH 1026/1326] Disable subset tests on cmake for now.

---
 test/subset/CMakeLists.txt | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/test/subset/CMakeLists.txt b/test/subset/CMakeLists.txt
index 0a1e8f953..6fe377e14 100644
--- a/test/subset/CMakeLists.txt
+++ b/test/subset/CMakeLists.txt
@@ -2,8 +2,9 @@ if (HB_BUILD_UTILS)
   file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/Makefile.sources" SOURCES)
   extract_make_variable (TESTS ${SOURCES})
   foreach (test IN ITEMS ${TESTS})
-    add_test (NAME ${test}
-      COMMAND python run-tests.py $<TARGET_FILE:hb-subset> "data/${test}"
-      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+# TODO(grieger): Re-enable once ttx is available in CI environments.
+#    add_test (NAME ${test}
+#      COMMAND python run-tests.py $<TARGET_FILE:hb-subset> "data/${test}"
+#      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
   endforeach ()
 endif ()

From aac7d962120aa137385324b33a173df4f19fd80b Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 18:18:16 -0800
Subject: [PATCH 1027/1326] Apply per table subsetting while building the new
 face in hb_subset.

---
 src/hb-subset-glyf.cc |   1 +
 src/hb-subset.cc      | 105 +++++++++++++++++++++++++-----------------
 2 files changed, 65 insertions(+), 41 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 8221a43d7..d7edd750a 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -101,6 +101,7 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
   // TODO(grieger): Subset loca simultaneously.
   // TODO(grieger): Don't fail on bad offsets, just dump them.
   // TODO(grieger): Support short loca output.
+  // TODO(grieger): Add a extra loca entry at the end.
 
   unsigned int glyf_prime_size;
   unsigned int loca_prime_size;
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index a46cbd08f..f7c215bc6 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -253,6 +253,52 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
   return true;
 }
 
+bool
+_subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
+{
+  hb_blob_t *glyf_prime = nullptr;
+  hb_blob_t *loca_prime = nullptr;
+
+  bool success = true;
+  // TODO(grieger): Migrate to subset function on the table like cmap.
+  if (hb_subset_glyf_and_loca (plan, source, &glyf_prime, &loca_prime)) {
+    hb_subset_face_add_table (dest, HB_OT_TAG_glyf, glyf_prime);
+    hb_subset_face_add_table (dest, HB_OT_TAG_loca, loca_prime);
+  } else {
+    success = false;
+  }
+  hb_blob_destroy (loca_prime);
+  hb_blob_destroy (glyf_prime);
+
+  return success;
+}
+
+bool
+_subset_table (hb_subset_plan_t *plan,
+               hb_face_t        *source,
+               hb_tag_t          tag,
+               hb_blob_t        *table_blob,
+               hb_face_t        *dest)
+{
+  // TODO (grieger): Handle updating the head table (loca format + num glyphs)
+  switch (tag) {
+    case HB_OT_TAG_glyf:
+      return _subset_glyf (plan, source, dest);
+    case HB_OT_TAG_loca:
+      // SKIP loca, it's handle by the glyf subsetter.
+      return true;
+    case HB_OT_TAG_cmap:
+      // TODO(rsheeter): remove hb_subset_face_add_table
+      //                 once cmap subsetting works.
+      hb_subset_face_add_table (dest, tag, table_blob);
+      return subset<const OT::cmap> (plan, source, dest);
+    default:
+      // Default action, copy table as is.
+      hb_subset_face_add_table (dest, tag, table_blob);
+      return true;
+  }
+}
+
 /**
  * hb_subset:
  * @source: font face data to be subset.
@@ -270,25 +316,6 @@ hb_subset (hb_face_t *source,
 
   hb_subset_plan_t *plan = hb_subset_plan_create (source, profile, input);
 
-  hb_face_t *face = hb_subset_face_create ();
-
-  /* Copy tables to new face. */
-  {
-    hb_tag_t table_tags[32];
-    unsigned int offset = 0, count;
-    do {
-      count = ARRAY_LENGTH (table_tags);
-      hb_face_get_table_tags (source, offset, &count, table_tags);
-      for (unsigned int i = 0; i < count; i++)
-      {
-	hb_tag_t tag = table_tags[i];
-	hb_blob_t *blob = hb_face_reference_table (source, tag);
-	hb_subset_face_add_table (face, tag, blob);
-	hb_blob_destroy (blob);
-      }
-    } while (count == ARRAY_LENGTH (table_tags));
-  }
-
   hb_codepoint_t old_gid = -1;
   while (hb_set_next (plan->glyphs_to_retain, &old_gid)) {
     hb_codepoint_t new_gid;
@@ -298,29 +325,25 @@ hb_subset (hb_face_t *source,
       DEBUG_MSG (SUBSET, nullptr, "Remap %d : DOOM! No new ID", old_gid);
     }
   }
-  // TODO:
-  // - Create initial header + table directory
-  // - Loop through the set of tables to be kept:
-  //   - Perform table specific subsetting if defined.
-  //   - copy the table into the output.
-  // - Fix header + table directory.
 
+  hb_face_t *dest = hb_subset_face_create ();
+  hb_tag_t table_tags[32];
+  unsigned int offset = 0, count;
   bool success = true;
+  do {
+    count = ARRAY_LENGTH (table_tags);
+    hb_face_get_table_tags (source, offset, &count, table_tags);
+    for (unsigned int i = 0; i < count; i++)
+    {
+      hb_tag_t tag = table_tags[i];
+      hb_blob_t *blob = hb_face_reference_table (source, tag);
+      success = success && _subset_table (plan, source, tag, blob, dest);
+      hb_blob_destroy (blob);
+    }
+  } while (count == ARRAY_LENGTH (table_tags));
 
-  hb_face_t *dest = nullptr; // TODO allocate dest
-
-  hb_blob_t *glyf_prime = nullptr;
-  hb_blob_t *loca_prime = nullptr;
-  if (hb_subset_glyf_and_loca (plan, source, &glyf_prime, &loca_prime)) {
-    // TODO: write new glyf and loca to new face.
-  } else {
-    success = false;
-  }
-  hb_blob_destroy (glyf_prime);
-
-  success = success && subset<const OT::cmap>(plan, source, dest);
-
-  hb_subset_plan_destroy (plan);
-
-  return face;
+  // TODO(grieger): Remove once basic subsetting is working + tests updated.
+  hb_face_destroy (dest);
+  hb_face_reference (source);
+  return success ? source : nullptr;
 }

From 5a34114f9685680d4a8cdf85a8ac90172c5620d7 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 8 Feb 2018 18:32:24 -0800
Subject: [PATCH 1028/1326] Add an extra entry to the end of the loca table to
 identify the end of the last glyph's data.

---
 src/hb-subset-glyf.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index d7edd750a..49c52a916 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -72,8 +72,9 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
   hb_codepoint_t next_glyph = -1;
   hb_codepoint_t new_glyph_id = 0;
 
+  unsigned int end_offset;
   while (hb_set_next(glyph_ids, &next_glyph)) {
-    unsigned int start_offset, end_offset;
+    unsigned int start_offset;
     if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
       return false;
     }
@@ -86,6 +87,10 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
     new_glyph_id++;
   }
 
+  // Add the last loca entry which doesn't correspond to a specific glyph
+  // but identifies the end of the last glyphs data.
+  loca_prime[new_glyph_id].set(end_offset);
+
   return true;
 }
 

From a19138e668e77a0c05da2ab065c5366c8359b377 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 8 Feb 2018 19:03:41 -0800
Subject: [PATCH 1029/1326] comment the serialization of table

---
 src/hb-open-file-private.hh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index ab168ab87..d0e03ddcb 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -133,10 +133,15 @@ typedef struct OffsetTable
 			 unsigned int table_count)
   {
     TRACE_SERIALIZE (this);
+    // alloc 12 for the OTHeader
     if (unlikely (!c->extend_min (*this))) return_trace (false);
+    // write sfntVersion (bytes 0..3)
     sfnt_version.set (sfnt_tag);
+    // take space for numTables, searchRange, entrySelector, RangeShift
+    // and the TableRecords themselves
     if (unlikely (!tables.serialize (c, table_count))) return_trace (false);
 
+    // write OffsetTables, alloc for and write actual table blobs
     for (unsigned int i = 0; i < table_count; i++)
     {
       TableRecord &rec = tables.array[i];
@@ -145,9 +150,12 @@ typedef struct OffsetTable
       rec.length.set (hb_blob_get_length (blob));
       rec.checkSum.set_for_data (hb_blob_get_data (blob, nullptr), rec.length);
       rec.offset.serialize (c, this);
+      // take room for the tablerec
       void *p = c->allocate_size<void> (rec.length);
       if (unlikely (!p)) {return false;}
+      // copy the actual table
       memcpy (p, hb_blob_get_data (blob, nullptr), rec.length);
+      // 4-byte allignment
       if (rec.length % 4)
 	p = c->allocate_size<void> (4 - rec.length % 4);
     }

From 5cca0c07afbe9ab4b28d333f6f853063ecd75aff Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 8 Feb 2018 19:05:46 -0800
Subject: [PATCH 1030/1326] fix comment

---
 src/hb-open-file-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index d0e03ddcb..e425afc3f 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -150,7 +150,7 @@ typedef struct OffsetTable
       rec.length.set (hb_blob_get_length (blob));
       rec.checkSum.set_for_data (hb_blob_get_data (blob, nullptr), rec.length);
       rec.offset.serialize (c, this);
-      // take room for the tablerec
+      // take room for the table
       void *p = c->allocate_size<void> (rec.length);
       if (unlikely (!p)) {return false;}
       // copy the actual table

From 8431c38cdc05ddcddb1aa5fbb72a95446b500fd2 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 8 Feb 2018 19:20:58 -0800
Subject: [PATCH 1031/1326] remove output noise

---
 util/hb-subset.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 37ec7b51d..db1ca115c 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -59,7 +59,6 @@ struct subset_consumer_t
       gunichar cp = g_utf8_get_char(c);
       hb_codepoint_t hb_cp = cp; // TODO(Q1) is this safe?
       hb_set_add(codepoints, hb_cp);
-      g_print ("  U+%04X %" G_GINT32_FORMAT "\n", cp, cp);
     } while ((c = g_utf8_find_next_char(c, text + text_len)) != nullptr);
   }
 

From 59c658c8d53481990fe0efa66422353d0687474b Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 8 Feb 2018 19:22:47 -0800
Subject: [PATCH 1032/1326] capture codepoints sorted so we can use them for
 cmap later. one day we will have a map

---
 src/hb-ot-cmap-table.hh | 14 --------
 src/hb-private.hh       | 65 +++++++++++++++++++++--------------
 src/hb-subset-glyf.cc   | 16 ++++-----
 src/hb-subset-plan.cc   | 75 ++++++++++++++++++++++++++++-------------
 src/hb-subset-plan.hh   |  8 +++--
 src/hb-subset.cc        | 29 ++++++++++------
 6 files changed, 125 insertions(+), 82 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 537336806..9d4f0eec6 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -506,20 +506,6 @@ struct cmap
 
   inline bool subset (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest) const
   {
-    // TODO something useful re: memory, write to dest
-    size_t dest_sz = 64536; // as much as anyone would ever need
-    void *dest_buf = malloc(dest_sz);
-    OT::hb_serialize_context_t context(dest_buf, dest_sz);
-
-    // Same version
-    OT::cmap new_cmap;
-    new_cmap.version = version;
-    new_cmap.encodingRecord.len.set(1); // one format 12 subtable
-
-    // TODO we need to actually build the format 12 subtable
-
-    // TODO: this fails
-    // out->extend_min(new_cmap);
     return true;
   }
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 59d732afc..a3d1250a6 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -418,34 +418,44 @@ struct hb_prealloced_array_t
     return &array[len - 1];
   }
 
+  // Alloc enouch for size if size < allocated. Don't adjust len.
+  inline bool alloc(unsigned int size)
+  {
+    if (likely (size <= allocated)) 
+    {
+      return true;
+    }
+    /* Need to reallocate */
+
+    unsigned int new_allocated = allocated;
+    while (size >= new_allocated)
+      new_allocated += (new_allocated >> 1) + 8;
+
+    Type *new_array = nullptr;
+
+    if (array == static_array) {
+      new_array = (Type *) calloc (new_allocated, sizeof (Type));
+      if (new_array)
+        memcpy (new_array, array, len * sizeof (Type));
+          } else {
+      bool overflows = (new_allocated < allocated) || _hb_unsigned_int_mul_overflows (new_allocated, sizeof (Type));
+      if (likely (!overflows)) {
+        new_array = (Type *) realloc (array, new_allocated * sizeof (Type));
+      }
+    }
+
+    if (unlikely (!new_array))
+      return false;
+
+    array = new_array;
+    allocated = new_allocated;    
+  }
+
   inline bool resize (unsigned int size)
   {
-    if (unlikely (size > allocated))
+    if (!alloc(size)) 
     {
-      /* Need to reallocate */
-
-      unsigned int new_allocated = allocated;
-      while (size >= new_allocated)
-        new_allocated += (new_allocated >> 1) + 8;
-
-      Type *new_array = nullptr;
-
-      if (array == static_array) {
-	new_array = (Type *) calloc (new_allocated, sizeof (Type));
-	if (new_array)
-	  memcpy (new_array, array, len * sizeof (Type));
-      } else {
-	bool overflows = (new_allocated < allocated) || _hb_unsigned_int_mul_overflows (new_allocated, sizeof (Type));
-	if (likely (!overflows)) {
-	  new_array = (Type *) realloc (array, new_allocated * sizeof (Type));
-	}
-      }
-
-      if (unlikely (!new_array))
-	return false;
-
-      array = new_array;
-      allocated = new_allocated;
+      return false;
     }
 
     len = size;
@@ -488,6 +498,11 @@ struct hb_prealloced_array_t
     return nullptr;
   }
 
+  inline void qsort (int (*cmp)(const void*, const void*))
+  {
+    ::qsort (array, len, sizeof (Type), cmp);
+  }
+
   inline void qsort (void)
   {
     ::qsort (array, len, sizeof (Type), Type::cmp);
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 49c52a916..b7412fbb3 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -31,14 +31,14 @@
 
 bool
 _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
-                                     hb_set_t *glyph_ids,
+                                     hb_auto_array_t<unsigned int> &glyph_ids,
                                      unsigned int *glyf_size /* OUT */,
                                      unsigned int *loca_size /* OUT */)
 {
   unsigned int total = 0;
   unsigned int count = 0;
-  hb_codepoint_t next_glyph = -1;
-  while (hb_set_next(glyph_ids, &next_glyph)) {
+  for (unsigned int i = 0; i < glyph_ids.len; i++) {
+    hb_codepoint_t next_glyph = glyph_ids[i];
     unsigned int start_offset, end_offset;
     if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
       *glyf_size = 0;
@@ -58,7 +58,7 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
 bool
 _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
-                            const hb_set_t                *glyph_ids,
+                            hb_auto_array_t<unsigned int> &glyph_ids,
                             int                            glyf_prime_size,
                             char                          *glyf_prime_data /* OUT */,
                             int                            loca_prime_size,
@@ -73,9 +73,9 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
   hb_codepoint_t new_glyph_id = 0;
 
   unsigned int end_offset;
-  while (hb_set_next(glyph_ids, &next_glyph)) {
+  for (unsigned int i = 0; i < glyph_ids.len; i++) {
     unsigned int start_offset;
-    if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
+    if (unlikely (!glyf.get_offsets (glyph_ids[i], &start_offset, &end_offset))) {
       return false;
     }
 
@@ -97,7 +97,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 bool
 _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           const char                     *glyf_data,
-                          hb_set_t                       *glyphs_to_retain,
+                          hb_auto_array_t<unsigned int>  &glyphs_to_retain,
                           hb_blob_t                     **glyf_prime /* OUT */,
                           hb_blob_t                     **loca_prime /* OUT */)
 {
@@ -158,7 +158,7 @@ hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
 
   OT::glyf::accelerator_t glyf;
   glyf.init(face);
-  bool result = _hb_subset_glyf_and_loca (glyf, glyf_data, plan->glyphs_to_retain, glyf_prime, loca_prime);
+  bool result = _hb_subset_glyf_and_loca (glyf, glyf_data, plan->gids_to_retain, glyf_prime, loca_prime);
   glyf.fini();
 
   // TODO(grieger): Subset loca
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 6f889b3c5..9dbc5a095 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -29,47 +29,75 @@
 #include "hb-subset-plan.hh"
 #include "hb-ot-cmap-table.hh"
 
+int hb_codepoint_t_cmp(const void *l, const void *r) {
+  return *((hb_codepoint_t *) l) - *((hb_codepoint_t *) r);
+}
+
 hb_bool_t
 hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
                                   hb_codepoint_t old_gid,
                                   hb_codepoint_t *new_gid) {
-  // TODO(Q1) lookup in map from old:new gid
-  // TEMPORARY: just loop over ids to retain and count up
-  hb_codepoint_t current = -1;
-  hb_codepoint_t count = 0;
-  while (hb_set_next(plan->glyphs_to_retain, &current)) {
-    if (old_gid == current) {
-      *new_gid = count;
+
+  // the index in old_gids is the new gid; only up to codepoints.len are valid
+  for (unsigned int i = 0; i < plan->codepoints.len; i++) {
+    if (plan->gids_to_retain[i] == old_gid) {
+      *new_gid = i;
       return true;
     }
-    count++;
   }
   return false;
 }
 
-hb_set_t *
-glyph_ids_to_retain (hb_face_t *face,
-                     hb_set_t  *codepoints)
+void populate_codepoints(hb_set_t *input_codepoints,
+                         hb_auto_array_t<hb_codepoint_t>& plan_codepoints) {
+  plan_codepoints.alloc(hb_set_get_population(input_codepoints));
+  hb_codepoint_t cp = -1;
+  while (hb_set_next(input_codepoints, &cp)) {
+    hb_codepoint_t *wr = plan_codepoints.push();
+    *wr = cp;
+  }
+  plan_codepoints.qsort(hb_codepoint_t_cmp);
+}
+
+void
+populate_gids_to_retain (hb_face_t *face,
+                         hb_auto_array_t<hb_codepoint_t>& codepoints,
+                         hb_auto_array_t<hb_codepoint_t>& old_gids)
 {
   OT::cmap::accelerator_t cmap;
   cmap.init (face);
-  hb_codepoint_t cp = -1;
-  hb_set_t *gids = hb_set_create();
-  while (hb_set_next(codepoints, &cp)) {
+
+  hb_auto_array_t<unsigned int> bad_indices;
+
+  old_gids.alloc(codepoints.len);
+  for (unsigned int i = 0; i < codepoints.len; i++) {
     hb_codepoint_t gid;
-    if (cmap.get_nominal_glyph(cp, &gid)) {
-      DEBUG_MSG(SUBSET, nullptr, "gid for U+%04X is %d", cp, gid);
-      hb_set_add(gids, gid);
-    } else {
-      DEBUG_MSG(SUBSET, nullptr, "Unable to resolve gid for U+%04X", cp);
+    if (!cmap.get_nominal_glyph(codepoints[i], &gid)) {
+      gid = -1;
+      *(bad_indices.push()) = i;
     }
+    *(old_gids.push()) = gid;
   }
 
+  while (bad_indices.len > 0) {
+    unsigned int i = bad_indices[bad_indices.len - 1];
+    bad_indices.pop();
+    DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", codepoints[i]);
+    codepoints.remove(i);
+    old_gids.remove(i);
+  }
+
+  for (unsigned int i = 0; i < codepoints.len; i++) {
+      DEBUG_MSG(SUBSET, nullptr, " U+%04X, old_gid %d, new_gid %d", codepoints[i], old_gids[i], i);
+  }
+
+  // TODO always keep .notdef
+
+
   // TODO(Q1) expand with glyphs that make up complex glyphs
   // TODO expand with glyphs reached by G*
   //
   cmap.fini ();
-  return gids;
 }
 
 /**
@@ -88,7 +116,8 @@ hb_subset_plan_create (hb_face_t           *face,
                        hb_subset_input_t   *input)
 {
   hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
-  plan->glyphs_to_retain = glyph_ids_to_retain (face, input->codepoints);
+  populate_codepoints(input->codepoints, plan->codepoints);
+  populate_gids_to_retain(face, plan->codepoints, plan->gids_to_retain);
   return plan;
 }
 
@@ -96,7 +125,6 @@ hb_subset_plan_t *
 hb_subset_plan_get_empty ()
 {
   hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
-  plan->glyphs_to_retain = hb_set_get_empty();
   return plan;
 }
 
@@ -110,6 +138,7 @@ hb_subset_plan_destroy (hb_subset_plan_t *plan)
 {
   if (!hb_object_destroy (plan)) return;
 
-  hb_set_destroy (plan->glyphs_to_retain);
+  plan->codepoints.finish();
+  plan->gids_to_retain.finish();
   free (plan);
 }
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index a1e4e9e9c..c7e9108c9 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -21,7 +21,7 @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
- * Google Author(s): Garret Rieger
+ * Google Author(s): Garret Rieger, Roderick Sheeter
  */
 
 #ifndef HB_SUBSET_PLAN_HH
@@ -35,7 +35,11 @@ struct hb_subset_plan_t {
   hb_object_header_t header;
   ASSERT_POD ();
 
-  hb_set_t *glyphs_to_retain;
+  // TODO(Q1) actual map, drop this crap
+  // Look at me ma, I'm a poor mans map codepoint : new gid
+  // codepoints is sorted and aligned with gids_to_retain.
+  hb_auto_array_t<hb_codepoint_t> codepoints;
+  hb_auto_array_t<hb_codepoint_t> gids_to_retain;
 };
 
 typedef struct hb_subset_plan_t hb_subset_plan_t;
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index f7c215bc6..50bcac794 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -122,8 +122,8 @@ subset (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 
     hb_blob_destroy (table_blob);
 
-    // TODO string not numeric tag
-    DEBUG_MSG(SUBSET, nullptr, "Subset %d %s", TableType::tableTag, result ? "success" : "FAILED!");
+    hb_tag_t tag = TableType::tableTag;
+    DEBUG_MSG(SUBSET, nullptr, "Subset %c%c%c%c %s", HB_UNTAG(tag), result ? "success" : "FAILED!");
     return result;
 }
 
@@ -316,14 +316,23 @@ hb_subset (hb_face_t *source,
 
   hb_subset_plan_t *plan = hb_subset_plan_create (source, profile, input);
 
-  hb_codepoint_t old_gid = -1;
-  while (hb_set_next (plan->glyphs_to_retain, &old_gid)) {
-    hb_codepoint_t new_gid;
-    if (hb_subset_plan_new_gid_for_old_id (plan, old_gid, &new_gid)) {
-      DEBUG_MSG (SUBSET, nullptr, "Remap %d : %d", old_gid, new_gid);
-    } else {
-      DEBUG_MSG (SUBSET, nullptr, "Remap %d : DOOM! No new ID", old_gid);
-    }
+  hb_face_t *face = hb_subset_face_create ();
+
+  /* Copy tables to new face. */
+  {
+    hb_tag_t table_tags[32];
+    unsigned int offset = 0, count;
+    do {
+      count = ARRAY_LENGTH (table_tags);
+      hb_face_get_table_tags (source, offset, &count, table_tags);
+      for (unsigned int i = 0; i < count; i++)
+      {
+      	hb_tag_t tag = table_tags[i];
+      	hb_blob_t *blob = hb_face_reference_table (source, tag);
+      	hb_subset_face_add_table (face, tag, blob);
+      	hb_blob_destroy (blob);
+      }
+    } while (count == ARRAY_LENGTH (table_tags));
   }
 
   hb_face_t *dest = hb_subset_face_create ();

From 1cd98d05e07498653ba60a68b6342d1a90429eba Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 8 Feb 2018 19:39:57 -0800
Subject: [PATCH 1033/1326] Create the groups for a cmap format12. Does not yet
 build the actual table.

---
 src/hb-ot-cmap-table.hh | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 9d4f0eec6..bb3eba47f 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -193,6 +193,7 @@ struct CmapSubtableLongGroup
 {
   friend struct CmapSubtableFormat12;
   friend struct CmapSubtableFormat13;
+  friend struct cmap;
 
   int cmp (hb_codepoint_t codepoint) const
   {
@@ -506,6 +507,30 @@ struct cmap
 
   inline bool subset (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest) const
   {
+    hb_auto_array_t<CmapSubtableLongGroup> groups;
+    CmapSubtableLongGroup *group = nullptr;
+    for (unsigned int i = 0; i < plan->codepoints.len; i++) {
+      hb_codepoint_t cp = plan->codepoints[i];
+      if (!group)
+      {
+        group = groups.push();
+        group->startCharCode.set(cp);
+        group->endCharCode.set(cp);
+        group->glyphID.set(i);  // index in codepoints is new gid
+      } else if (cp -1 == group->endCharCode)
+      {
+        group->endCharCode.set(cp);
+      } else
+      {
+        group = nullptr;
+      }
+    }
+
+    DEBUG_MSG(SUBSET, nullptr, "cmap");
+    for (unsigned int i = 0; i < groups.len; i++) {
+      CmapSubtableLongGroup& group = groups[i];
+      DEBUG_MSG(SUBSET, nullptr, "  %d: U+%04X-U+%04X, first gid %d", i, (uint32_t) group.startCharCode, (uint32_t) group.endCharCode, (uint32_t) group.glyphID);
+    }
     return true;
   }
 

From 3346ba9cd5198d27c7416b8c71fecb6c8d3cb335 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Feb 2018 11:05:17 -0600
Subject: [PATCH 1034/1326] [test/text-rendering-tests] Update from upstream

---
 .../fonts/TestMORXTwentysix.ttf               | Bin 3260 -> 3252 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentysix.ttf b/test/shaping/data/text-rendering-tests/fonts/TestMORXTwentysix.ttf
index 828f644129f2ffd566c0bc3d98eaaf5cabaec306..603b1c62321fcd45e25dd16ab4b386c3c944ab06 100644
GIT binary patch
delta 149
zcmdlZxkYk<BlC&JzbCr*a@#UVFfi~4FfcGInK(y7MuKBjSUkVYR|aP07eFzFYjqt8
zV0y8H?#2i9+>CQ3EAS}GmH-7Af#M*{2E-yjtOCR~KpZkTfk#yzBFFF_2tca9G*A-A
W0|6EW4hAL$Rt9z;&B?&UzzqQ8y&#VO

delta 141
zcmdlYxkqw>BlGbEsuNv&xm}s`85np37#JAVOq`=3BmP_QOgz8MR|aP07eFzFYjqt8
zV0z(|@Qn}bxfz#CR^U;VtpN%$0>wd?4Twd6SOth}fH-Dy0*|UPGgyw{KM;UeU>Yb1
P<S{U?Lim#x@Q45aI8-K*


From 335bbaa66f66e86d417cc123a2bf397e8b834f64 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 9 Feb 2018 10:55:15 -0800
Subject: [PATCH 1035/1326] Remove uneeded code in hb-subset.

---
 src/hb-subset.cc | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 50bcac794..73812b72d 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -316,25 +316,6 @@ hb_subset (hb_face_t *source,
 
   hb_subset_plan_t *plan = hb_subset_plan_create (source, profile, input);
 
-  hb_face_t *face = hb_subset_face_create ();
-
-  /* Copy tables to new face. */
-  {
-    hb_tag_t table_tags[32];
-    unsigned int offset = 0, count;
-    do {
-      count = ARRAY_LENGTH (table_tags);
-      hb_face_get_table_tags (source, offset, &count, table_tags);
-      for (unsigned int i = 0; i < count; i++)
-      {
-      	hb_tag_t tag = table_tags[i];
-      	hb_blob_t *blob = hb_face_reference_table (source, tag);
-      	hb_subset_face_add_table (face, tag, blob);
-      	hb_blob_destroy (blob);
-      }
-    } while (count == ARRAY_LENGTH (table_tags));
-  }
-
   hb_face_t *dest = hb_subset_face_create ();
   hb_tag_t table_tags[32];
   unsigned int offset = 0, count;

From 1582eabee6017839518b821ef93a329a0a86a453 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 9 Feb 2018 12:52:08 -0800
Subject: [PATCH 1036/1326] Update head table with loca format selected by
 glyf+loca subsetting.

---
 src/hb-subset-glyf.cc |  7 +++----
 src/hb-subset-glyf.hh |  1 +
 src/hb-subset.cc      | 37 +++++++++++++++++++++++++++++++++++--
 3 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index b7412fbb3..c6e2b5dbd 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -103,10 +103,8 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
 {
   // TODO(grieger): Sanity check writes to make sure they are in-bounds.
   // TODO(grieger): Sanity check allocation size for the new table.
-  // TODO(grieger): Subset loca simultaneously.
   // TODO(grieger): Don't fail on bad offsets, just dump them.
   // TODO(grieger): Support short loca output.
-  // TODO(grieger): Add a extra loca entry at the end.
 
   unsigned int glyf_prime_size;
   unsigned int loca_prime_size;
@@ -150,7 +148,8 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
 bool
 hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
                          hb_face_t        *face,
-                         hb_blob_t       **glyf_prime /* OUT */,
+                         bool             *use_short_loca, /* OUT */
+                         hb_blob_t       **glyf_prime, /* OUT */
                          hb_blob_t       **loca_prime /* OUT */)
 {
   hb_blob_t *glyf_blob = OT::Sanitizer<OT::glyf>().sanitize (face->reference_table (HB_OT_TAG_glyf));
@@ -161,7 +160,7 @@ hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
   bool result = _hb_subset_glyf_and_loca (glyf, glyf_data, plan->gids_to_retain, glyf_prime, loca_prime);
   glyf.fini();
 
-  // TODO(grieger): Subset loca
+  *use_short_loca = false;
 
   return result;
 }
diff --git a/src/hb-subset-glyf.hh b/src/hb-subset-glyf.hh
index 035085f03..dbdd3410d 100644
--- a/src/hb-subset-glyf.hh
+++ b/src/hb-subset-glyf.hh
@@ -34,6 +34,7 @@
 bool
 hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
                          hb_face_t        *face,
+                         bool             *use_short_loca, /* OUT */
                          hb_blob_t       **glyf_prime /* OUT */,
                          hb_blob_t       **loca_prime /* OUT */);
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 73812b72d..cf8ac6cc1 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -253,6 +253,32 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
   return true;
 }
 
+bool
+_add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_t *dest)
+{
+  hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (hb_face_reference_table (source, HB_OT_TAG_head));
+  const OT::head *head = OT::Sanitizer<OT::head>::lock_instance (head_blob);
+
+  if (head) {
+    OT::head *head_prime = (OT::head *) calloc (OT::head::static_size, 1);
+    memcpy (head_prime, head, OT::head::static_size);
+    head_prime->indexToLocFormat.set (use_short_loca ? 0 : 1);
+
+    hb_blob_t *head_prime_blob = hb_blob_create ((const char*) head_prime,
+                                                 OT::head::static_size,
+                                                 HB_MEMORY_MODE_WRITABLE,
+                                                 head_prime,
+                                                 free);
+    hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
+
+    hb_blob_destroy (head_prime_blob);
+  }
+
+  hb_blob_destroy (head_blob);
+
+  return !head;
+}
+
 bool
 _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 {
@@ -260,16 +286,20 @@ _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
   hb_blob_t *loca_prime = nullptr;
 
   bool success = true;
+  bool use_short_loca = false;
   // TODO(grieger): Migrate to subset function on the table like cmap.
-  if (hb_subset_glyf_and_loca (plan, source, &glyf_prime, &loca_prime)) {
+  if (hb_subset_glyf_and_loca (plan, source, &use_short_loca, &glyf_prime, &loca_prime)) {
     hb_subset_face_add_table (dest, HB_OT_TAG_glyf, glyf_prime);
     hb_subset_face_add_table (dest, HB_OT_TAG_loca, loca_prime);
+    success = success && _add_head_and_set_loca_version (source, use_short_loca, dest);
   } else {
     success = false;
   }
   hb_blob_destroy (loca_prime);
   hb_blob_destroy (glyf_prime);
 
+  _add_head_and_set_loca_version (source, use_short_loca, dest);
+
   return success;
 }
 
@@ -284,8 +314,11 @@ _subset_table (hb_subset_plan_t *plan,
   switch (tag) {
     case HB_OT_TAG_glyf:
       return _subset_glyf (plan, source, dest);
+    case HB_OT_TAG_head:
+      // SKIP head, it's handled by glyf
+      return true;
     case HB_OT_TAG_loca:
-      // SKIP loca, it's handle by the glyf subsetter.
+      // SKIP loca, it's handle by glyf
       return true;
     case HB_OT_TAG_cmap:
       // TODO(rsheeter): remove hb_subset_face_add_table

From 671f0a7733a496eb46b08dc88c3c46b804cdd895 Mon Sep 17 00:00:00 2001
From: bungeman <bungeman@chromium.org>
Date: Thu, 1 Feb 2018 13:31:25 -0500
Subject: [PATCH 1037/1326] Documentation for HB_GLYPH_FLAG_UNSAFE_TO_BREAK.

HB_GLYPH_FLAG_UNSAFE_TO_BREAK means that the glyph with this flag is somehow affected by the previous logical glyph (the previous index in the buffer if ltr and the next index if the buffer is rtl). If these two glyphs are separated by a break (line or otherwise) then the underlying text should be re-shaped on both sides up to corresponding position in the text of some glyph not marked with this flag.
---
 src/hb-buffer.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index b2801ddf5..9f86b4948 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -71,9 +71,15 @@ typedef struct hb_glyph_info_t {
   hb_var_int_t   var2;
 } hb_glyph_info_t;
 
+/**
+ * hb_glyph_flags_t:
+ * @HB_GLYPH_FLAG_UNSAFE_TO_BREAK: If this glyph is split from the previous logical glyph
+ *                                 then both sides should be re-shaped.
+ */
 typedef enum { /*< flags >*/
   HB_GLYPH_FLAG_UNSAFE_TO_BREAK		= 0x00000001,
 
+  /*< private >*/
   HB_GLYPH_FLAG_DEFINED			= 0x00000001 /* OR of all defined flags */
 } hb_glyph_flags_t;
 

From 3b7aa651b4714b996816023a4929c0289065493f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Feb 2018 15:43:20 -0600
Subject: [PATCH 1038/1326] [docs] Improve UNSAFE_TO_BREAK docs

---
 src/hb-buffer.h | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 9f86b4948..cf182db10 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -73,8 +73,21 @@ typedef struct hb_glyph_info_t {
 
 /**
  * hb_glyph_flags_t:
- * @HB_GLYPH_FLAG_UNSAFE_TO_BREAK: If this glyph is split from the previous logical glyph
- *                                 then both sides should be re-shaped.
+ * @HB_GLYPH_FLAG_UNSAFE_TO_BREAK: Indicates that if input text is broken at the
+ * 				   beginning of the cluster this glyph is part of,
+ * 				   then both sides need to be re-shaped, as the
+ * 				   result might be different.  On the flip side,
+ * 				   it means that when this flag is not present,
+ * 				   then it's safe to break the glyph-run at the
+ * 				   beginning of this cluster, and the two sides
+ * 				   represent the exact same result one would get
+ * 				   if breaking input text at the beginning of
+ * 				   this cluster ans shaping the two sides
+ * 				   separately.  This can be used to optimize
+ * 				   paragraph layout, by avoiding re-shaping
+ * 				   of each line after line-breaking, or limiting
+ * 				   the reshaping to a small piece around the
+ * 				   breaking point only.
  */
 typedef enum { /*< flags >*/
   HB_GLYPH_FLAG_UNSAFE_TO_BREAK		= 0x00000001,

From d45f240e4e330cedad737fdb792b311c37a19e32 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Feb 2018 15:51:45 -0600
Subject: [PATCH 1039/1326] Typo

---
 src/hb-buffer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index cf182db10..c9de80298 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -82,7 +82,7 @@ typedef struct hb_glyph_info_t {
  * 				   beginning of this cluster, and the two sides
  * 				   represent the exact same result one would get
  * 				   if breaking input text at the beginning of
- * 				   this cluster ans shaping the two sides
+ * 				   this cluster and shaping the two sides
  * 				   separately.  This can be used to optimize
  * 				   paragraph layout, by avoiding re-shaping
  * 				   of each line after line-breaking, or limiting

From 86aa4b3ba7cd075f01614874dae88a771b8c54fd Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 9 Feb 2018 13:54:43 -0800
Subject: [PATCH 1040/1326] Return empty face on hb_subset failure instead of
 null. Plus some minor cleanups for _add_head_and_set_loca_version

---
 src/hb-subset.cc | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index cf8ac6cc1..4eaf188c3 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -258,8 +258,9 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
 {
   hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (hb_face_reference_table (source, HB_OT_TAG_head));
   const OT::head *head = OT::Sanitizer<OT::head>::lock_instance (head_blob);
+  bool has_head = (head != nullptr);
 
-  if (head) {
+  if (has_head) {
     OT::head *head_prime = (OT::head *) calloc (OT::head::static_size, 1);
     memcpy (head_prime, head, OT::head::static_size);
     head_prime->indexToLocFormat.set (use_short_loca ? 0 : 1);
@@ -276,7 +277,7 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
 
   hb_blob_destroy (head_blob);
 
-  return !head;
+  return has_head;
 }
 
 bool
@@ -298,8 +299,6 @@ _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
   hb_blob_destroy (loca_prime);
   hb_blob_destroy (glyf_prime);
 
-  _add_head_and_set_loca_version (source, use_short_loca, dest);
-
   return success;
 }
 
@@ -345,7 +344,7 @@ hb_subset (hb_face_t *source,
 	   hb_subset_profile_t *profile,
            hb_subset_input_t *input)
 {
-  if (unlikely (!profile || !input || !source)) return nullptr;
+  if (unlikely (!profile || !input || !source)) return hb_face_get_empty();
 
   hb_subset_plan_t *plan = hb_subset_plan_create (source, profile, input);
 
@@ -368,5 +367,5 @@ hb_subset (hb_face_t *source,
   // TODO(grieger): Remove once basic subsetting is working + tests updated.
   hb_face_destroy (dest);
   hb_face_reference (source);
-  return success ? source : nullptr;
+  return success ? source : hb_face_get_empty();
 }

From 8cef3a61995317d3a5724221108647d7e66fe24a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 9 Feb 2018 16:04:23 -0600
Subject: [PATCH 1041/1326] Try fixing build with Sun Studio

Trying to fix:
https://circleci.com/gh/harfbuzz/harfbuzz/6635

Also part of:
https://github.com/harfbuzz/harfbuzz/issues/630
---
 src/hb-private.hh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 59d732afc..cfd816ba5 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -120,7 +120,9 @@ extern "C" void  hb_free_impl(void *ptr);
 #endif
 
 #ifndef HB_INTERNAL
-# if !defined(__MINGW32__) && !defined(__CYGWIN__)
+# ifdef __SUNPRO_CC
+#  define HB_INTERNAL __hidden
+# elif !defined(__MINGW32__) && !defined(__CYGWIN__)
 #  define HB_INTERNAL __attribute__((__visibility__("hidden")))
 # else
 #  define HB_INTERNAL
@@ -136,6 +138,11 @@ extern "C" void  hb_free_impl(void *ptr);
 #define HB_FUNC __func__
 #endif
 
+#ifdef __SUNPRO_CC
+/* https://github.com/harfbuzz/harfbuzz/issues/630 */
+#define __restrict
+#endif
+
 /*
  * Borrowed from https://bugzilla.mozilla.org/show_bug.cgi?id=1215411
  * HB_FALLTHROUGH is an annotation to suppress compiler warnings about switch

From 3bc81558d836e27e77bda0d6da9c71f530719579 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 9 Feb 2018 16:06:33 -0800
Subject: [PATCH 1042/1326] Formatting for hb-subset-plan.

---
 src/hb-subset-plan.cc | 51 +++++++++++++++++++++++--------------------
 1 file changed, 27 insertions(+), 24 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 9dbc5a095..4cb4b7c95 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -29,15 +29,16 @@
 #include "hb-subset-plan.hh"
 #include "hb-ot-cmap-table.hh"
 
-int hb_codepoint_t_cmp(const void *l, const void *r) {
+int
+hb_codepoint_t_cmp (const void *l, const void *r) {
   return *((hb_codepoint_t *) l) - *((hb_codepoint_t *) r);
 }
 
 hb_bool_t
-hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
-                                  hb_codepoint_t old_gid,
-                                  hb_codepoint_t *new_gid) {
-
+hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
+                                   hb_codepoint_t old_gid,
+                                   hb_codepoint_t *new_gid)
+{
   // the index in old_gids is the new gid; only up to codepoints.len are valid
   for (unsigned int i = 0; i < plan->codepoints.len; i++) {
     if (plan->gids_to_retain[i] == old_gid) {
@@ -48,43 +49,45 @@ hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
   return false;
 }
 
-void populate_codepoints(hb_set_t *input_codepoints,
-                         hb_auto_array_t<hb_codepoint_t>& plan_codepoints) {
-  plan_codepoints.alloc(hb_set_get_population(input_codepoints));
+void
+_populate_codepoints (hb_set_t *input_codepoints,
+                      hb_auto_array_t<hb_codepoint_t>& plan_codepoints)
+{
+  plan_codepoints.alloc (hb_set_get_population (input_codepoints));
   hb_codepoint_t cp = -1;
-  while (hb_set_next(input_codepoints, &cp)) {
+  while (hb_set_next (input_codepoints, &cp)) {
     hb_codepoint_t *wr = plan_codepoints.push();
     *wr = cp;
   }
-  plan_codepoints.qsort(hb_codepoint_t_cmp);
+  plan_codepoints.qsort (hb_codepoint_t_cmp);
 }
 
 void
-populate_gids_to_retain (hb_face_t *face,
-                         hb_auto_array_t<hb_codepoint_t>& codepoints,
-                         hb_auto_array_t<hb_codepoint_t>& old_gids)
+_populate_gids_to_retain (hb_face_t *face,
+                          hb_auto_array_t<hb_codepoint_t>& codepoints,
+                          hb_auto_array_t<hb_codepoint_t>& old_gids)
 {
   OT::cmap::accelerator_t cmap;
   cmap.init (face);
 
   hb_auto_array_t<unsigned int> bad_indices;
 
-  old_gids.alloc(codepoints.len);
+  old_gids.alloc (codepoints.len);
   for (unsigned int i = 0; i < codepoints.len; i++) {
     hb_codepoint_t gid;
-    if (!cmap.get_nominal_glyph(codepoints[i], &gid)) {
+    if (!cmap.get_nominal_glyph (codepoints[i], &gid)) {
       gid = -1;
-      *(bad_indices.push()) = i;
+      *(bad_indices.push ()) = i;
     }
-    *(old_gids.push()) = gid;
+    *(old_gids.push ()) = gid;
   }
 
   while (bad_indices.len > 0) {
     unsigned int i = bad_indices[bad_indices.len - 1];
-    bad_indices.pop();
+    bad_indices.pop ();
     DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", codepoints[i]);
-    codepoints.remove(i);
-    old_gids.remove(i);
+    codepoints.remove (i);
+    old_gids.remove (i);
   }
 
   for (unsigned int i = 0; i < codepoints.len; i++) {
@@ -116,8 +119,8 @@ hb_subset_plan_create (hb_face_t           *face,
                        hb_subset_input_t   *input)
 {
   hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
-  populate_codepoints(input->codepoints, plan->codepoints);
-  populate_gids_to_retain(face, plan->codepoints, plan->gids_to_retain);
+  _populate_codepoints (input->codepoints, plan->codepoints);
+  _populate_gids_to_retain (face, plan->codepoints, plan->gids_to_retain);
   return plan;
 }
 
@@ -138,7 +141,7 @@ hb_subset_plan_destroy (hb_subset_plan_t *plan)
 {
   if (!hb_object_destroy (plan)) return;
 
-  plan->codepoints.finish();
-  plan->gids_to_retain.finish();
+  plan->codepoints.finish ();
+  plan->gids_to_retain.finish ();
   free (plan);
 }

From 0089443756cdcef0182e55cf8480b96a64d31cc7 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 9 Feb 2018 16:22:09 -0800
Subject: [PATCH 1043/1326] Keep a second set of glyph ids in subset plan which
 is sorted by glyph id and always has gid 0

---
 src/hb-subset-glyf.cc |  2 +-
 src/hb-subset-plan.cc | 34 +++++++++++++++++++++++++---------
 src/hb-subset-plan.hh |  1 +
 3 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index c6e2b5dbd..a186cdf7b 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -157,7 +157,7 @@ hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
 
   OT::glyf::accelerator_t glyf;
   glyf.init(face);
-  bool result = _hb_subset_glyf_and_loca (glyf, glyf_data, plan->gids_to_retain, glyf_prime, loca_prime);
+  bool result = _hb_subset_glyf_and_loca (glyf, glyf_data, plan->gids_to_retain_sorted, glyf_prime, loca_prime);
   glyf.fini();
 
   *use_short_loca = false;
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 4cb4b7c95..fb8913e87 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -30,7 +30,7 @@
 #include "hb-ot-cmap-table.hh"
 
 int
-hb_codepoint_t_cmp (const void *l, const void *r) {
+_hb_codepoint_t_cmp (const void *l, const void *r) {
   return *((hb_codepoint_t *) l) - *((hb_codepoint_t *) r);
 }
 
@@ -40,8 +40,8 @@ hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
                                    hb_codepoint_t *new_gid)
 {
   // the index in old_gids is the new gid; only up to codepoints.len are valid
-  for (unsigned int i = 0; i < plan->codepoints.len; i++) {
-    if (plan->gids_to_retain[i] == old_gid) {
+  for (unsigned int i = 0; i < plan->gids_to_retain_sorted.len; i++) {
+    if (plan->gids_to_retain_sorted[i] == old_gid) {
       *new_gid = i;
       return true;
     }
@@ -59,13 +59,14 @@ _populate_codepoints (hb_set_t *input_codepoints,
     hb_codepoint_t *wr = plan_codepoints.push();
     *wr = cp;
   }
-  plan_codepoints.qsort (hb_codepoint_t_cmp);
+  plan_codepoints.qsort (_hb_codepoint_t_cmp);
 }
 
 void
 _populate_gids_to_retain (hb_face_t *face,
                           hb_auto_array_t<hb_codepoint_t>& codepoints,
-                          hb_auto_array_t<hb_codepoint_t>& old_gids)
+                          hb_auto_array_t<hb_codepoint_t>& old_gids,
+                          hb_auto_array_t<hb_codepoint_t>& old_gids_sorted)
 {
   OT::cmap::accelerator_t cmap;
   cmap.init (face);
@@ -73,12 +74,16 @@ _populate_gids_to_retain (hb_face_t *face,
   hb_auto_array_t<unsigned int> bad_indices;
 
   old_gids.alloc (codepoints.len);
+  bool has_zero = false;
   for (unsigned int i = 0; i < codepoints.len; i++) {
     hb_codepoint_t gid;
     if (!cmap.get_nominal_glyph (codepoints[i], &gid)) {
       gid = -1;
       *(bad_indices.push ()) = i;
     }
+    if (gid == 0) {
+      has_zero = true;
+    }
     *(old_gids.push ()) = gid;
   }
 
@@ -90,13 +95,20 @@ _populate_gids_to_retain (hb_face_t *face,
     old_gids.remove (i);
   }
 
+  // Populate a second glyph id array that is sorted by glyph id
+  // and is gauranteed to contain 0.
+  old_gids_sorted.alloc (old_gids.len + (has_zero ? 0 : 1));
+  for (unsigned int i = 0; i < old_gids.len; i++) {
+    *(old_gids_sorted.push ()) = old_gids[i];
+  }
+  if (!has_zero)
+    *(old_gids_sorted.push ()) = 0;
+  old_gids_sorted.qsort (_hb_codepoint_t_cmp);
+
   for (unsigned int i = 0; i < codepoints.len; i++) {
       DEBUG_MSG(SUBSET, nullptr, " U+%04X, old_gid %d, new_gid %d", codepoints[i], old_gids[i], i);
   }
 
-  // TODO always keep .notdef
-
-
   // TODO(Q1) expand with glyphs that make up complex glyphs
   // TODO expand with glyphs reached by G*
   //
@@ -120,7 +132,10 @@ hb_subset_plan_create (hb_face_t           *face,
 {
   hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
   _populate_codepoints (input->codepoints, plan->codepoints);
-  _populate_gids_to_retain (face, plan->codepoints, plan->gids_to_retain);
+  _populate_gids_to_retain (face,
+                            plan->codepoints,
+                            plan->gids_to_retain,
+                            plan->gids_to_retain_sorted);
   return plan;
 }
 
@@ -143,5 +158,6 @@ hb_subset_plan_destroy (hb_subset_plan_t *plan)
 
   plan->codepoints.finish ();
   plan->gids_to_retain.finish ();
+  plan->gids_to_retain_sorted.finish ();
   free (plan);
 }
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index c7e9108c9..e1c3bd3e3 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -40,6 +40,7 @@ struct hb_subset_plan_t {
   // codepoints is sorted and aligned with gids_to_retain.
   hb_auto_array_t<hb_codepoint_t> codepoints;
   hb_auto_array_t<hb_codepoint_t> gids_to_retain;
+  hb_auto_array_t<hb_codepoint_t> gids_to_retain_sorted;
 };
 
 typedef struct hb_subset_plan_t hb_subset_plan_t;

From 4816064c0e5464d032a55001a959a9abcef7f70e Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 9 Feb 2018 17:14:37 -0800
Subject: [PATCH 1044/1326] add missing return

---
 src/hb-private.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index a3d1250a6..751dec60f 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -448,7 +448,9 @@ struct hb_prealloced_array_t
       return false;
 
     array = new_array;
-    allocated = new_allocated;    
+    allocated = new_allocated;
+    
+    return true;
   }
 
   inline bool resize (unsigned int size)

From d2170d14780ad6f8e0d17a1e011445c3bcc20871 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 9 Feb 2018 17:24:16 -0800
Subject: [PATCH 1045/1326] Check for failures from add table.

---
 src/hb-subset.cc | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 4eaf188c3..98565c307 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -270,7 +270,7 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
                                                  HB_MEMORY_MODE_WRITABLE,
                                                  head_prime,
                                                  free);
-    hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
+    has_head = has_head && hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
 
     hb_blob_destroy (head_prime_blob);
   }
@@ -290,8 +290,8 @@ _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
   bool use_short_loca = false;
   // TODO(grieger): Migrate to subset function on the table like cmap.
   if (hb_subset_glyf_and_loca (plan, source, &use_short_loca, &glyf_prime, &loca_prime)) {
-    hb_subset_face_add_table (dest, HB_OT_TAG_glyf, glyf_prime);
-    hb_subset_face_add_table (dest, HB_OT_TAG_loca, loca_prime);
+    success = success && hb_subset_face_add_table (dest, HB_OT_TAG_glyf, glyf_prime);
+    success = success && hb_subset_face_add_table (dest, HB_OT_TAG_loca, loca_prime);
     success = success && _add_head_and_set_loca_version (source, use_short_loca, dest);
   } else {
     success = false;
@@ -326,8 +326,7 @@ _subset_table (hb_subset_plan_t *plan,
       return subset<const OT::cmap> (plan, source, dest);
     default:
       // Default action, copy table as is.
-      hb_subset_face_add_table (dest, tag, table_blob);
-      return true;
+      return hb_subset_face_add_table (dest, tag, table_blob);
   }
 }
 

From 9275bd03ea427eb607dde6a8e65f78a350b88323 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 9 Feb 2018 17:33:34 -0800
Subject: [PATCH 1046/1326] First pass at building a cmap

---
 src/hb-ot-cmap-table.hh | 103 ++++++++++++++++++++++++++++++++++++----
 src/hb-subset.cc        |  37 ++++++++-------
 2 files changed, 115 insertions(+), 25 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index bb3eba47f..daee6ca5a 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -254,6 +254,8 @@ struct CmapSubtableFormat10 : CmapSubtableTrimmed<HBUINT32 > {};
 template <typename T>
 struct CmapSubtableLongSegmented
 {
+  friend struct cmap;
+
   inline bool get_glyph (hb_codepoint_t codepoint, hb_codepoint_t *glyph) const
   {
     int i = groups.bsearch (codepoint);
@@ -269,6 +271,20 @@ struct CmapSubtableLongSegmented
     return_trace (c->check_struct (this) && groups.sanitize (c));
   }
 
+  inline bool serialize(hb_serialize_context_t *context,
+                        unsigned int group_count,
+                        Supplier<CmapSubtableLongGroup> &group_supplier)
+  {
+    TRACE_SERIALIZE (this);
+    if (unlikely(!context->extend_min (*this))) return_trace (false);
+    if (unlikely(!groups.serialize(context, group_count))) return_trace (false);
+    for (unsigned int i = 0; i < group_count; i++) {
+      const CmapSubtableLongGroup &group = group_supplier[i];
+      memcpy(&groups[i], &group, sizeof(group));
+    }
+    return true;
+  }
+
   protected:
   HBUINT16	format;		/* Subtable format; set to 12. */
   HBUINT16	reservedZ;	/* Reserved; set to 0. */
@@ -505,15 +521,15 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
-  inline bool subset (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest) const
+  inline void populate_groups(hb_auto_array_t<hb_codepoint_t> &codepoints,
+                              hb_auto_array_t<CmapSubtableLongGroup> *groups) const
   {
-    hb_auto_array_t<CmapSubtableLongGroup> groups;
     CmapSubtableLongGroup *group = nullptr;
-    for (unsigned int i = 0; i < plan->codepoints.len; i++) {
-      hb_codepoint_t cp = plan->codepoints[i];
+    for (unsigned int i = 0; i < codepoints.len; i++) {
+      hb_codepoint_t cp = codepoints[i];
       if (!group)
       {
-        group = groups.push();
+        group = groups->push();
         group->startCharCode.set(cp);
         group->endCharCode.set(cp);
         group->glyphID.set(i);  // index in codepoints is new gid
@@ -527,13 +543,84 @@ struct cmap
     }
 
     DEBUG_MSG(SUBSET, nullptr, "cmap");
-    for (unsigned int i = 0; i < groups.len; i++) {
-      CmapSubtableLongGroup& group = groups[i];
-      DEBUG_MSG(SUBSET, nullptr, "  %d: U+%04X-U+%04X, first gid %d", i, (uint32_t) group.startCharCode, (uint32_t) group.endCharCode, (uint32_t) group.glyphID);
+    for (unsigned int i = 0; i < groups->len; i++) {
+      CmapSubtableLongGroup& group = (*groups)[i];
+      DEBUG_MSG(SUBSET, nullptr, "  %d: U+%04X-U+%04X, gid %d-%d", i, (uint32_t) group.startCharCode, (uint32_t) group.endCharCode, (uint32_t) group.glyphID, (uint32_t) group.glyphID + ((uint32_t) group.endCharCode - (uint32_t) group.startCharCode));
     }
+  }
+
+  hb_bool_t _subset (hb_auto_array_t<CmapSubtableLongGroup> &groups,
+                     size_t dest_sz,
+                     void *dest) const
+  {
+    hb_serialize_context_t context(dest, dest_sz);
+
+    OT::cmap *cmap = context.start_serialize<OT::cmap> ();
+    if (unlikely(!context.extend_min(*cmap)))
+    {
+      return false;
+    }
+
+    cmap->version.set(0);
+
+    if (unlikely(!cmap->encodingRecord.serialize(&context, /* numTables */ 1)))
+    {
+      return false;
+    }
+
+    EncodingRecord &rec = cmap->encodingRecord[0];
+    rec.platformID.set (3); // Windows
+    rec.encodingID.set (1); // Unicode BMP
+
+    CmapSubtable &subtable = rec.subtable.serialize(&context, &rec.subtable);
+    subtable.u.format.set(12);
+
+    CmapSubtableFormat12 &format12 = subtable.u.format12;
+    format12.format.set(12);
+    format12.reservedZ.set(0);
+
+    OT::Supplier<CmapSubtableLongGroup> group_supplier  (&groups[0], groups.len, sizeof (CmapSubtableLongGroup));
+    if (unlikely(!format12.serialize(&context, groups.len, group_supplier)))
+    {
+      return false;
+    }
+
+    context.end_serialize ();
     return true;
   }
 
+  hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
+  {
+    hb_auto_array_t<CmapSubtableLongGroup> groups;
+
+    populate_groups(plan->codepoints, &groups);
+
+    // We now know how big our blob needs to be
+    // TODO use APIs from the structs to get size?
+    size_t dest_sz = 4 // header
+                   + 8 // 1 EncodingRecord
+                   + 16 // Format 12 header
+                   + 12 * groups.len; // SequentialMapGroup records
+    void *dest = calloc(dest_sz, 1);
+    if (unlikely(!dest)) {
+      DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %ld for cmap subset output", dest_sz);
+      return nullptr;
+    }
+
+    if (unlikely(!_subset(groups, dest_sz, dest)))
+    {
+      free(dest);
+      return nullptr;
+    }
+
+    // all done, write the blob into dest
+    return hb_blob_create((const char *)dest, 
+                          dest_sz,
+                          HB_MEMORY_MODE_READONLY,
+                          /* userdata */ nullptr,
+                          free);
+  }
+
   struct accelerator_t
   {
     inline void init (hb_face_t *face)
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 98565c307..8e1f81985 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -108,19 +108,19 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
 }
 
 template<typename TableType>
-hb_bool_t
-subset (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
+hb_blob_t *
+_subset (hb_subset_plan_t *plan, hb_face_t *source)
 {
     OT::Sanitizer<TableType> sanitizer;
-    hb_blob_t *table_blob = sanitizer.sanitize (source->reference_table (TableType::tableTag));
-    if (unlikely(!table_blob)) {
+    hb_blob_t *source_blob = sanitizer.sanitize (source->reference_table (TableType::tableTag));
+    if (unlikely(!source_blob)) {
       DEBUG_MSG(SUBSET, nullptr, "Failed to reference table for tag %d", TableType::tableTag);
-      return false;
+      return nullptr;
     }
-    const TableType *table = OT::Sanitizer<TableType>::lock_instance (table_blob);
-    hb_bool_t result = table->subset(plan, source, dest);
+    const TableType *table = OT::Sanitizer<TableType>::lock_instance (source_blob);
+    hb_blob_t *result = table->subset(plan, source);
 
-    hb_blob_destroy (table_blob);
+    hb_blob_destroy (source_blob);
 
     hb_tag_t tag = TableType::tableTag;
     DEBUG_MSG(SUBSET, nullptr, "Subset %c%c%c%c %s", HB_UNTAG(tag), result ? "success" : "FAILED!");
@@ -242,7 +242,6 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
     return false;
 
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) face->user_data;
-
   hb_subset_face_data_t::table_entry_t *entry = data->tables.push ();
   if (unlikely (!entry))
     return false;
@@ -306,10 +305,12 @@ bool
 _subset_table (hb_subset_plan_t *plan,
                hb_face_t        *source,
                hb_tag_t          tag,
-               hb_blob_t        *table_blob,
+               hb_blob_t        *source_blob,
                hb_face_t        *dest)
 {
   // TODO (grieger): Handle updating the head table (loca format + num glyphs)
+  DEBUG_MSG(SUBSET, nullptr, "begin subset %c%c%c%c", HB_UNTAG(tag));
+  hb_blob_t *dest_blob;
   switch (tag) {
     case HB_OT_TAG_glyf:
       return _subset_glyf (plan, source, dest);
@@ -320,14 +321,16 @@ _subset_table (hb_subset_plan_t *plan,
       // SKIP loca, it's handle by glyf
       return true;
     case HB_OT_TAG_cmap:
-      // TODO(rsheeter): remove hb_subset_face_add_table
-      //                 once cmap subsetting works.
-      hb_subset_face_add_table (dest, tag, table_blob);
-      return subset<const OT::cmap> (plan, source, dest);
+      dest_blob = _subset<const OT::cmap> (plan, source);
+      break;
     default:
-      // Default action, copy table as is.
-      return hb_subset_face_add_table (dest, tag, table_blob);
-  }
+      dest_blob = source_blob;
+      break;
+  } 
+  DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), dest_blob ? "ok" : "FAILED");
+  if (unlikely(!dest_blob)) return false;
+  if (unlikely(!hb_subset_face_add_table (dest, tag, dest_blob))) return false;
+  return true;
 }
 
 /**

From d18decd2013f24f315dbd3b15cdd80c5a734e7e9 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 9 Feb 2018 18:41:21 -0800
Subject: [PATCH 1047/1326] In glyf subsetting add suport for writing out a
 short loca table when possible.

---
 src/hb-subset-glyf.cc | 42 +++++++++++++++++++++++++++++++++---------
 1 file changed, 33 insertions(+), 9 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index a186cdf7b..b0f44e2c9 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -32,7 +32,8 @@
 bool
 _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
                                      hb_auto_array_t<unsigned int> &glyph_ids,
-                                     unsigned int *glyf_size /* OUT */,
+                                     bool *use_short_loca, /* OUT */
+                                     unsigned int *glyf_size, /* OUT */
                                      unsigned int *loca_size /* OUT */)
 {
   unsigned int total = 0;
@@ -51,23 +52,37 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
   }
 
   *glyf_size = total;
-  *loca_size = (count + 1) * sizeof(OT::HBUINT32);
+  *use_short_loca = (total <= 131070);
+  *loca_size = (count + 1)
+      * (*use_short_loca ? sizeof(OT::HBUINT16) : sizeof(OT::HBUINT32));
+
+  DEBUG_MSG(SUBSET, nullptr, "preparing to subset glyf: final size %d, loca size %d, using %s loca",
+            total,
+            *loca_size,
+            *use_short_loca ? "short" : "long");
   return true;
 }
 
+void
+_write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *loca_prime) {
+  if (is_short) {
+    ((OT::HBUINT16*) loca_prime) [id].set (offset / 2);
+  } else {
+    ((OT::HBUINT32*) loca_prime) [id].set (offset);
+  }
+}
+
 bool
 _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
                             hb_auto_array_t<unsigned int> &glyph_ids,
+                            bool                           use_short_loca,
                             int                            glyf_prime_size,
                             char                          *glyf_prime_data /* OUT */,
                             int                            loca_prime_size,
                             char                          *loca_prime_data /* OUT */)
 {
-  // TODO(grieger): Handle the missing character glyf and outline.
-
   char *glyf_prime_data_next = glyf_prime_data;
-  OT::HBUINT32 *loca_prime = (OT::HBUINT32*) loca_prime_data;
 
   hb_codepoint_t next_glyph = -1;
   hb_codepoint_t new_glyph_id = 0;
@@ -81,7 +96,8 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 
     int length = end_offset - start_offset;
     memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
-    loca_prime[new_glyph_id].set(start_offset);
+
+    _write_loca_entry (i, start_offset, use_short_loca, loca_prime_data);
 
     glyf_prime_data_next += length;
     new_glyph_id++;
@@ -89,7 +105,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 
   // Add the last loca entry which doesn't correspond to a specific glyph
   // but identifies the end of the last glyphs data.
-  loca_prime[new_glyph_id].set(end_offset);
+  _write_loca_entry (new_glyph_id, end_offset, use_short_loca, loca_prime_data);
 
   return true;
 }
@@ -98,18 +114,20 @@ bool
 _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           const char                     *glyf_data,
                           hb_auto_array_t<unsigned int>  &glyphs_to_retain,
+                          bool                           *use_short_loca,
                           hb_blob_t                     **glyf_prime /* OUT */,
                           hb_blob_t                     **loca_prime /* OUT */)
 {
   // TODO(grieger): Sanity check writes to make sure they are in-bounds.
   // TODO(grieger): Sanity check allocation size for the new table.
   // TODO(grieger): Don't fail on bad offsets, just dump them.
-  // TODO(grieger): Support short loca output.
 
   unsigned int glyf_prime_size;
   unsigned int loca_prime_size;
+
   if (unlikely (!_calculate_glyf_and_loca_prime_size (glyf,
                                                       glyphs_to_retain,
+                                                      use_short_loca,
                                                       &glyf_prime_size,
                                                       &loca_prime_size))) {
     return false;
@@ -118,6 +136,7 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
   char *glyf_prime_data = (char *) calloc (glyf_prime_size, 1);
   char *loca_prime_data = (char *) calloc (loca_prime_size, 1);
   if (unlikely (!_write_glyf_and_loca_prime (glyf, glyf_data, glyphs_to_retain,
+                                             *use_short_loca,
                                              glyf_prime_size, glyf_prime_data,
                                              loca_prime_size, loca_prime_data))) {
     free (glyf_prime_data);
@@ -157,7 +176,12 @@ hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
 
   OT::glyf::accelerator_t glyf;
   glyf.init(face);
-  bool result = _hb_subset_glyf_and_loca (glyf, glyf_data, plan->gids_to_retain_sorted, glyf_prime, loca_prime);
+  bool result = _hb_subset_glyf_and_loca (glyf,
+                                          glyf_data,
+                                          plan->gids_to_retain_sorted,
+                                          use_short_loca,
+                                          glyf_prime,
+                                          loca_prime);
   glyf.fini();
 
   *use_short_loca = false;

From ad575a5f47a51ee553710873ac2672479b76ba5e Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sat, 10 Feb 2018 19:50:11 +0330
Subject: [PATCH 1048/1326] Fix cast warnings on clang (#768)

---
 src/hb-open-type-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index be3ecb499..3a8f738bc 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -508,7 +508,7 @@ struct Supplier
   inline const Type operator [] (unsigned int i) const
   {
     if (unlikely (i >= len)) return Type ();
-    return * (const Type *) ((const char *) head + stride * i);
+    return * (const Type *) (const void *) ((const char *) head + stride * i);
   }
 
   inline void advance (unsigned int count)
@@ -516,7 +516,7 @@ struct Supplier
     if (unlikely (count > len))
       count = len;
     len -= count;
-    head = (const Type *) ((const char *) head + stride * count);
+    head = (const Type *) (const void *) ((const char *) head + stride * count);
   }
 
   private:

From d0f3e7f59719bdb6a2105ee85a8f3ee799741dab Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 12:45:28 -0600
Subject: [PATCH 1049/1326] [util] Use setlinebuf() if present

To work around mysterious bug on OS X.

Fixes https://github.com/harfbuzz/harfbuzz/issues/727
---
 configure.ac    |  6 ++----
 util/options.cc | 12 ++++++++++--
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index 12401f00b..5a17cc1a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -69,7 +69,7 @@ GTK_DOC_CHECK([1.15],[--flavour no-tmpl])
 ])
 
 # Functions and headers
-AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l)
+AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l setlinebuf)
 AC_CHECK_HEADERS(unistd.h sys/mman.h xlocale.h)
 
 # Compiler flags
@@ -355,9 +355,7 @@ if $have_freetype; then
 	AC_DEFINE(HAVE_FREETYPE, 1, [Have FreeType 2 library])
 	save_libs=$LIBS
 	LIBS="$LIBS $FREETYPE_LIBS"
-	AC_CHECK_FUNCS(FT_Get_Var_Blend_Coordinates)
-	AC_CHECK_FUNCS(FT_Set_Var_Blend_Coordinates)
-	AC_CHECK_FUNCS(FT_Done_MM_Var)
+	AC_CHECK_FUNCS(FT_Get_Var_Blend_Coordinates FT_Set_Var_Blend_Coordinates FT_Done_MM_Var)
 	LIBS=$save_libs
 fi
 AM_CONDITIONAL(HAVE_FREETYPE, $have_freetype)
diff --git a/util/options.cc b/util/options.cc
index d9486f8a8..6d8064b90 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -780,7 +780,11 @@ text_options_t::get_line (unsigned int *len)
     gs = g_string_new (nullptr);
   }
 
-  setvbuf(fp, NULL, _IOLBF, BUFSIZ); //setlinebuf (fp);
+#ifdef HAVE_SETLINEBUF
+  setlinebuf (fp);
+#else
+  setvbuf(fp, NULL, _IOLBF, BUFSIZ);
+#endif
 
   g_string_set_size (gs, 0);
   char buf[BUFSIZ];
@@ -819,7 +823,11 @@ output_options_t::get_file_handle (void)
     fail (false, "Cannot open output file `%s': %s",
 	  g_filename_display_name (output_file), strerror (errno));
 
-  setvbuf(fp, NULL, _IOLBF, BUFSIZ); //setlinebuf (fp);
+#ifdef HAVE_SETLINEBUF
+  setlinebuf (fp);
+#else
+  setvbuf(fp, NULL, _IOLBF, BUFSIZ);
+#endif
 
   return fp;
 }

From 71130a20fae7c256b0ab1aa397cc1ac2d11dd487 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 13:15:57 -0600
Subject: [PATCH 1050/1326] Replace Supplier.advance with Supplier::operator+=

---
 src/hb-open-file-private.hh        |  4 ++--
 src/hb-open-type-private.hh        |  7 ++++---
 src/hb-ot-layout-common-private.hh |  4 ++--
 src/hb-ot-layout-gsub-table.hh     | 10 +++++-----
 4 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index ab168ab87..393990520 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -151,8 +151,8 @@ typedef struct OffsetTable
       if (rec.length % 4)
 	p = c->allocate_size<void> (4 - rec.length % 4);
     }
-    tags.advance (table_count);
-    blobs.advance (table_count);
+    tags += table_count;
+    blobs += table_count;
 
     /* TODO: update head table checkSumAdjustment. */
 
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 3a8f738bc..ef49ea912 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -511,12 +511,13 @@ struct Supplier
     return * (const Type *) (const void *) ((const char *) head + stride * i);
   }
 
-  inline void advance (unsigned int count)
+  inline Supplier<Type> & operator += (unsigned int count)
   {
     if (unlikely (count > len))
       count = len;
     len -= count;
     head = (const Type *) (const void *) ((const char *) head + stride * count);
+    return *this;
   }
 
   private:
@@ -883,7 +884,7 @@ struct ArrayOf
     if (unlikely (!serialize (c, items_len))) return_trace (false);
     for (unsigned int i = 0; i < items_len; i++)
       array[i] = items[i];
-    items.advance (items_len);
+    items += items_len;
     return_trace (true);
   }
 
@@ -1006,7 +1007,7 @@ struct HeadlessArrayOf
     if (unlikely (!c->extend (*this))) return_trace (false);
     for (unsigned int i = 0; i < items_len - 1; i++)
       array[i] = items[i];
-    items.advance (items_len - 1);
+    items += items_len - 1;
     return_trace (true);
   }
 
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 8bf69a37f..cb66c81ad 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -700,7 +700,7 @@ struct CoverageFormat1
     if (unlikely (!c->extend (glyphArray))) return_trace (false);
     for (unsigned int i = 0; i < num_glyphs; i++)
       glyphArray[i] = glyphs[i];
-    glyphs.advance (num_glyphs);
+    glyphs += num_glyphs;
     return_trace (true);
   }
 
@@ -789,7 +789,7 @@ struct CoverageFormat2
       } else {
         rangeRecord[range].end = glyphs[i];
       }
-    glyphs.advance (num_glyphs);
+    glyphs += num_glyphs;
     return_trace (true);
   }
 
diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 263e0a6e1..97f1d21a5 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -386,7 +386,7 @@ struct MultipleSubstFormat1
       if (unlikely (!sequence[i].serialize (c, this).serialize (c,
 								substitute_glyphs_list,
 								substitute_len_list[i]))) return_trace (false);
-    substitute_len_list.advance (num_glyphs);
+    substitute_len_list += num_glyphs;
     if (unlikely (!coverage.serialize (c, this).serialize (c, glyphs, num_glyphs))) return_trace (false);
     return_trace (true);
   }
@@ -536,7 +536,7 @@ struct AlternateSubstFormat1
       if (unlikely (!alternateSet[i].serialize (c, this).serialize (c,
 								    alternate_glyphs_list,
 								    alternate_len_list[i]))) return_trace (false);
-    alternate_len_list.advance (num_glyphs);
+    alternate_len_list += num_glyphs;
     if (unlikely (!coverage.serialize (c, this).serialize (c, glyphs, num_glyphs))) return_trace (false);
     return_trace (true);
   }
@@ -757,8 +757,8 @@ struct LigatureSet
 								ligatures[i],
 								component_list,
 								component_count_list[i]))) return_trace (false);
-    ligatures.advance (num_ligatures);
-    component_count_list.advance (num_ligatures);
+    ligatures += num_ligatures;
+    component_count_list += num_ligatures;
     return_trace (true);
   }
 
@@ -850,7 +850,7 @@ struct LigatureSubstFormat1
 								   component_count_list,
 								   ligature_per_first_glyph_count_list[i],
 								   component_list))) return_trace (false);
-    ligature_per_first_glyph_count_list.advance (num_first_glyphs);
+    ligature_per_first_glyph_count_list += num_first_glyphs;
     if (unlikely (!coverage.serialize (c, this).serialize (c, first_glyphs, num_first_glyphs))) return_trace (false);
     return_trace (true);
   }

From af274507c4f4c5a582543affa71d81a87d6d9151 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 13:25:49 -0600
Subject: [PATCH 1051/1326] Minor

---
 src/hb-private.hh | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 4d526d9d3..4a8d950d7 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -425,14 +425,13 @@ struct hb_prealloced_array_t
     return &array[len - 1];
   }
 
-  // Alloc enouch for size if size < allocated. Don't adjust len.
+  /* Allocate for size but don't adjust len. */
   inline bool alloc(unsigned int size)
   {
-    if (likely (size <= allocated)) 
-    {
+    if (likely (size <= allocated))
       return true;
-    }
-    /* Need to reallocate */
+
+    /* Reallocate */
 
     unsigned int new_allocated = allocated;
     while (size >= new_allocated)
@@ -456,16 +455,14 @@ struct hb_prealloced_array_t
 
     array = new_array;
     allocated = new_allocated;
-    
+
     return true;
   }
 
   inline bool resize (unsigned int size)
   {
-    if (!alloc(size)) 
-    {
+    if (!alloc (size))
       return false;
-    }
 
     len = size;
     return true;

From 91519c6a5b130ced569cedc3710ab395b663240d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 13:35:17 -0600
Subject: [PATCH 1052/1326] [aat] Add buffer messages

---
 src/hb-aat-layout-morx-table.hh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index fc834ebf2..2bb808913 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -614,9 +614,17 @@ struct Chain
     unsigned int count = subtableCount;
     for (unsigned int i = 0; i < count; i++)
     {
+      if (!c->buffer->message (c->font, "start chain subtable %d", c->lookup_index))
+      {
+	c->set_lookup_index (c->lookup_index + 1);
+	continue;
+      }
+
       subtable->apply (c);
       subtable = &StructAfter<ChainSubtable> (*subtable);
 
+      (void) c->buffer->message (c->font, "end chain subtable %d", c->lookup_index);
+
       c->set_lookup_index (c->lookup_index + 1);
     }
   }

From 844f48ea9a72d28e2c088497f6c403c54e1751a8 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sat, 10 Feb 2018 23:13:12 +0330
Subject: [PATCH 1053/1326] Fix symbol exporting and libstdc++ linkage of
 hb-subset (#769)

---
 CMakeLists.txt          |  6 ++----
 src/Makefile.am         |  3 +++
 src/check-defs.sh       |  2 +-
 src/check-libstdc++.sh  | 20 +++++++++++---------
 src/check-symbols.sh    | 28 +++++++++++++++-------------
 src/hb-subset-glyf.cc   |  8 ++++----
 src/hb-subset-glyf.hh   |  2 +-
 src/hb-subset-plan.cc   |  4 ++--
 src/hb-subset-plan.hh   |  8 ++++----
 src/hb-subset.cc        |  2 +-
 src/hb-ucdn/Makefile.am | 11 +++++++++++
 11 files changed, 55 insertions(+), 39 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c21a42918..d1f2e087f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -544,17 +544,15 @@ if (UNIX OR MINGW)
   # Make symbols link locally
   link_libraries(-Bsymbolic-functions)
 
-  # Make sure we don't link to libstdc++
   if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    # Make sure we don't link to libstdc++
     set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
     set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "m") # libm
     set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
     set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
     set_target_properties(harfbuzz-subset PROPERTIES LINKER_LANGUAGE C)
-  endif ()
 
-  # No threadsafe statics as we do it ourselves
-  if (BUILD_SHARED_LIBS)
+    # No threadsafe statics as we do it ourselves
     set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-threadsafe-statics")
   endif ()
 endif ()
diff --git a/src/Makefile.am b/src/Makefile.am
index 500730d4b..888628329 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -136,6 +136,7 @@ pkgconfig_DATA = harfbuzz.pc
 EXTRA_DIST += harfbuzz.pc.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
+libharfbuzz_subset_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
 libharfbuzz_subset_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS)
 libharfbuzz_subset_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
@@ -172,6 +173,7 @@ HBSOURCES += $(HB_ICU_sources)
 HBHEADERS += $(HB_ICU_headers)
 else
 lib_LTLIBRARIES += libharfbuzz-icu.la
+libharfbuzz_icu_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
 libharfbuzz_icu_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(ICU_CFLAGS)
 libharfbuzz_icu_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
@@ -184,6 +186,7 @@ EXTRA_DIST += harfbuzz-icu.pc.in
 
 if HAVE_GOBJECT
 lib_LTLIBRARIES += libharfbuzz-gobject.la
+libharfbuzz_gobject_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_sources)
 nodist_libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_ENUM_sources)
 libharfbuzz_gobject_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(GOBJECT_CFLAGS)
diff --git a/src/check-defs.sh b/src/check-defs.sh
index c6697831f..adb90a72b 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -27,7 +27,7 @@ for def in $defs; do
 		so=$libs/lib${lib}.$suffix
 		if ! test -f "$so"; then continue; fi
 
-		# On mac, C symbols are prefixed with _
+		# On macOS, C symbols are prefixed with _
 		if test $suffix = dylib; then prefix="_"; fi
 
 		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v " $prefix"'\(_fini\>\|_init\>\|_fdata\>\|_ftext\>\|_fbss\>\|__bss_start\>\|__bss_start__\>\|__bss_end__\>\|_edata\>\|_end\>\|_bss_end__\>\|__end__\>\|__gcov_flush\>\|llvm_\)' | cut -d' ' -f3`"
diff --git a/src/check-libstdc++.sh b/src/check-libstdc++.sh
index e4aaeb2b4..653a56609 100755
--- a/src/check-libstdc++.sh
+++ b/src/check-libstdc++.sh
@@ -21,16 +21,18 @@ else
 fi
 
 tested=false
-for suffix in so dylib; do
-	so=$libs/libharfbuzz.$suffix
-	if ! test -f "$so"; then continue; fi
+for soname in harfbuzz harfbuzz-icu harfbuzz-subset; do
+	for suffix in so dylib; do
+		so=$libs/lib$soname.$suffix
+		if ! test -f "$so"; then continue; fi
 
-	echo "Checking that we are not linking to libstdc++ or libc++"
-	if $LDD $so | grep 'libstdc[+][+]\|libc[+][+]'; then
-		echo "Ouch, linked to libstdc++ or libc++"
-		stat=1
-	fi
-	tested=true
+		echo "Checking that we are not linking to libstdc++ or libc++"
+		if $LDD $so | grep 'libstdc[+][+]\|libc[+][+]'; then
+			echo "Ouch, linked to libstdc++ or libc++"
+			stat=1
+		fi
+		tested=true
+	done
 done
 if ! $tested; then
 	echo "check-libstdc++.sh: libharfbuzz shared library not found; skipping test"
diff --git a/src/check-symbols.sh b/src/check-symbols.sh
index 3adf65f87..59b7439a2 100755
--- a/src/check-symbols.sh
+++ b/src/check-symbols.sh
@@ -17,24 +17,26 @@ fi
 
 echo "Checking that we are not exposing internal symbols"
 tested=false
-for suffix in so dylib; do
-	so=$libs/libharfbuzz.$suffix
-	if ! test -f "$so"; then continue; fi
+for soname in harfbuzz harfbuzz-icu harfbuzz-subset; do
+	for suffix in so dylib; do
+		so=$libs/lib$soname.$suffix
+		if ! test -f "$so"; then continue; fi
 
-	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| ___gcov_flush\>\| llvm_\| _llvm_' | cut -d' ' -f3`"
+		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| ___gcov_flush\>\| llvm_\| _llvm_' | cut -d' ' -f3`"
 
-	prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
+		prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
 
-	# On mac, C symbols are prefixed with _
-	if test $suffix = dylib; then prefix="_$prefix"; fi
+		# On macOS, C symbols are prefixed with _
+		if test $suffix = dylib; then prefix="_$prefix"; fi
 
-	echo "Processing $so"
-	if echo "$EXPORTED_SYMBOLS" | grep -v "^${prefix}_"; then
-		echo "Ouch, internal symbols exposed"
-		stat=1
-	fi
+		echo "Processing $so"
+		if echo "$EXPORTED_SYMBOLS" | grep -v "^${prefix}\(_\|$\)"; then
+			echo "Ouch, internal symbols exposed"
+			stat=1
+		fi
 
-	tested=true
+		tested=true
+	done
 done
 if ! $tested; then
 	echo "check-symbols.sh: no shared library found; skipping test"
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index b0f44e2c9..e4f557287 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -29,7 +29,7 @@
 #include "hb-set.h"
 #include "hb-subset-glyf.hh"
 
-bool
+HB_INTERNAL bool
 _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
                                      hb_auto_array_t<unsigned int> &glyph_ids,
                                      bool *use_short_loca, /* OUT */
@@ -63,7 +63,7 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
   return true;
 }
 
-void
+HB_INTERNAL void
 _write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *loca_prime) {
   if (is_short) {
     ((OT::HBUINT16*) loca_prime) [id].set (offset / 2);
@@ -72,7 +72,7 @@ _write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *lo
   }
 }
 
-bool
+HB_INTERNAL bool
 _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
                             hb_auto_array_t<unsigned int> &glyph_ids,
@@ -110,7 +110,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
   return true;
 }
 
-bool
+HB_INTERNAL bool
 _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           const char                     *glyf_data,
                           hb_auto_array_t<unsigned int>  &glyphs_to_retain,
diff --git a/src/hb-subset-glyf.hh b/src/hb-subset-glyf.hh
index dbdd3410d..8855f8d08 100644
--- a/src/hb-subset-glyf.hh
+++ b/src/hb-subset-glyf.hh
@@ -31,7 +31,7 @@
 
 #include "hb-subset-plan.hh"
 
-bool
+HB_INTERNAL bool
 hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
                          hb_face_t        *face,
                          bool             *use_short_loca, /* OUT */
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index fb8913e87..247df5c6f 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -49,7 +49,7 @@ hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
   return false;
 }
 
-void
+HB_INTERNAL void
 _populate_codepoints (hb_set_t *input_codepoints,
                       hb_auto_array_t<hb_codepoint_t>& plan_codepoints)
 {
@@ -62,7 +62,7 @@ _populate_codepoints (hb_set_t *input_codepoints,
   plan_codepoints.qsort (_hb_codepoint_t_cmp);
 }
 
-void
+HB_INTERNAL void
 _populate_gids_to_retain (hb_face_t *face,
                           hb_auto_array_t<hb_codepoint_t>& codepoints,
                           hb_auto_array_t<hb_codepoint_t>& old_gids,
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index e1c3bd3e3..0a156fcc2 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -45,20 +45,20 @@ struct hb_subset_plan_t {
 
 typedef struct hb_subset_plan_t hb_subset_plan_t;
 
-hb_subset_plan_t *
+HB_INTERNAL hb_subset_plan_t *
 hb_subset_plan_create (hb_face_t           *face,
                        hb_subset_profile_t *profile,
                        hb_subset_input_t   *input);
 
-hb_bool_t
+HB_INTERNAL hb_bool_t
 hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
                                   hb_codepoint_t old_gid,
                                   hb_codepoint_t *new_gid /* OUT */);
 
-hb_subset_plan_t *
+HB_INTERNAL hb_subset_plan_t *
 hb_subset_plan_get_empty ();
 
-void
+HB_INTERNAL void
 hb_subset_plan_destroy (hb_subset_plan_t *plan);
 
 #endif /* HB_SUBSET_PLAN_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 8e1f81985..9742be4b4 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -108,7 +108,7 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
 }
 
 template<typename TableType>
-hb_blob_t *
+HB_INTERNAL hb_blob_t *
 _subset (hb_subset_plan_t *plan, hb_face_t *source)
 {
     OT::Sanitizer<TableType> sanitizer;
diff --git a/src/hb-ucdn/Makefile.am b/src/hb-ucdn/Makefile.am
index 73b550254..7283ca051 100644
--- a/src/hb-ucdn/Makefile.am
+++ b/src/hb-ucdn/Makefile.am
@@ -4,6 +4,17 @@ noinst_LTLIBRARIES = libhb-ucdn.la
 
 include Makefile.sources
 
+if OS_WIN32
+libhb_ucdn_la_LINK = $(CXXLINK)
+else
+# Use a C linker for GCC, not C++; Don't link to libstdc++
+if HAVE_GCC
+libhb_ucdn_la_LINK = $(LINK)
+else
+libhb_ucdn_la_LINK = $(CXXLINK)
+endif
+endif
+
 libhb_ucdn_la_SOURCES = $(LIBHB_UCDN_sources)
 libhb_ucdn_la_CPPFLAGS = \
 	-I$(top_srcdir) \

From bfa871634ce9ef9f4ed18348d898686952d6cbe3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 13:37:28 -0600
Subject: [PATCH 1054/1326] Minor

---
 src/hb-subset-glyf.hh | 2 +-
 src/hb-subset-plan.hh | 2 +-
 src/hb-subset.cc      | 3 +--
 src/hb-subset.h       | 2 +-
 4 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/hb-subset-glyf.hh b/src/hb-subset-glyf.hh
index 8855f8d08..491bf82b1 100644
--- a/src/hb-subset-glyf.hh
+++ b/src/hb-subset-glyf.hh
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018  Google
+ * Copyright © 2018  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 0a156fcc2..3943e65bb 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018  Google
+ * Copyright © 2018  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 9742be4b4..977de47d4 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -1,6 +1,5 @@
 /*
- * Copyright © 2009  Red Hat, Inc.
- * Copyright © 2012  Google, Inc.
+ * Copyright © 2018  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 2b8d55a24..3eb41de84 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018  Google
+ * Copyright © 2018  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *

From 4011d885b7fca87c717fdaa4bd0318a42308865a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 14:09:06 -0600
Subject: [PATCH 1055/1326] [util] Remove use of ssize_t which was failing on
 MSVC

---
 util/hb-subset.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index db1ca115c..22349ff13 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -72,14 +72,14 @@ struct subset_consumer_t
       fprintf(stderr, "Unable to open output file\n");
       return false;
     }
-    ssize_t bytes_written = fwrite(data, 1, data_length, fp_out);
+    int bytes_written = fwrite(data, 1, data_length, fp_out);
 
     if (bytes_written == -1) {
       fprintf(stderr, "Unable to write output file\n");
       return false;
     }
-    if (bytes_written != data_length) {
-      fprintf(stderr, "Expected %u bytes written, got %ld\n", data_length,
+    if ((unsigned int) bytes_written != data_length) {
+      fprintf(stderr, "Expected %u bytes written, got %d\n", data_length,
               bytes_written);
       return false;
     }

From 931d67900ee6d96b5962a475c1b71a58b821bcba Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 14:11:16 -0600
Subject: [PATCH 1056/1326] Fix some other bots

---
 src/hb-subset-glyf.cc | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index e4f557287..6a2fedf65 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -84,10 +84,9 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 {
   char *glyf_prime_data_next = glyf_prime_data;
 
-  hb_codepoint_t next_glyph = -1;
   hb_codepoint_t new_glyph_id = 0;
 
-  unsigned int end_offset;
+  unsigned int end_offset = 0;
   for (unsigned int i = 0; i < glyph_ids.len; i++) {
     unsigned int start_offset;
     if (unlikely (!glyf.get_offsets (glyph_ids[i], &start_offset, &end_offset))) {
@@ -113,7 +112,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 HB_INTERNAL bool
 _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           const char                     *glyf_data,
-                          hb_auto_array_t<unsigned int>  &glyphs_to_retain,
+                          hb_auto_array_t<hb_codepoint_t>&glyphs_to_retain,
                           bool                           *use_short_loca,
                           hb_blob_t                     **glyf_prime /* OUT */,
                           hb_blob_t                     **loca_prime /* OUT */)

From c31fcf4c58d96eb7d9781a986991b1a79ac7be44 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 14:20:10 -0600
Subject: [PATCH 1057/1326] [subset] Replace auto_array with prealloced_array

auto_array has constructor/destructor. Cannot be used in POD object, as the clang
bots all noticed...
---
 src/hb-ot-cmap-table.hh |  8 ++++----
 src/hb-subset-glyf.cc   |  6 +++---
 src/hb-subset-plan.cc   | 23 +++++++++++------------
 src/hb-subset-plan.hh   |  9 +++------
 4 files changed, 21 insertions(+), 25 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index daee6ca5a..70a9f647e 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -521,8 +521,8 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
-  inline void populate_groups(hb_auto_array_t<hb_codepoint_t> &codepoints,
-                              hb_auto_array_t<CmapSubtableLongGroup> *groups) const
+  inline void populate_groups(hb_prealloced_array_t<hb_codepoint_t> &codepoints,
+                              hb_prealloced_array_t<CmapSubtableLongGroup> *groups) const
   {
     CmapSubtableLongGroup *group = nullptr;
     for (unsigned int i = 0; i < codepoints.len; i++) {
@@ -549,7 +549,7 @@ struct cmap
     }
   }
 
-  hb_bool_t _subset (hb_auto_array_t<CmapSubtableLongGroup> &groups,
+  hb_bool_t _subset (hb_prealloced_array_t<CmapSubtableLongGroup> &groups,
                      size_t dest_sz,
                      void *dest) const
   {
@@ -591,7 +591,7 @@ struct cmap
 
   hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
   {
-    hb_auto_array_t<CmapSubtableLongGroup> groups;
+    hb_prealloced_array_t<CmapSubtableLongGroup> groups;
 
     populate_groups(plan->codepoints, &groups);
 
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 6a2fedf65..31358e81f 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -31,7 +31,7 @@
 
 HB_INTERNAL bool
 _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
-                                     hb_auto_array_t<unsigned int> &glyph_ids,
+                                     hb_prealloced_array_t<unsigned int> &glyph_ids,
                                      bool *use_short_loca, /* OUT */
                                      unsigned int *glyf_size, /* OUT */
                                      unsigned int *loca_size /* OUT */)
@@ -75,7 +75,7 @@ _write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *lo
 HB_INTERNAL bool
 _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
-                            hb_auto_array_t<unsigned int> &glyph_ids,
+                            hb_prealloced_array_t<unsigned int> &glyph_ids,
                             bool                           use_short_loca,
                             int                            glyf_prime_size,
                             char                          *glyf_prime_data /* OUT */,
@@ -112,7 +112,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 HB_INTERNAL bool
 _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           const char                     *glyf_data,
-                          hb_auto_array_t<hb_codepoint_t>&glyphs_to_retain,
+                          hb_prealloced_array_t<hb_codepoint_t>&glyphs_to_retain,
                           bool                           *use_short_loca,
                           hb_blob_t                     **glyf_prime /* OUT */,
                           hb_blob_t                     **loca_prime /* OUT */)
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 247df5c6f..4e71fb6f8 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -51,7 +51,7 @@ hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
 
 HB_INTERNAL void
 _populate_codepoints (hb_set_t *input_codepoints,
-                      hb_auto_array_t<hb_codepoint_t>& plan_codepoints)
+                      hb_prealloced_array_t<hb_codepoint_t>& plan_codepoints)
 {
   plan_codepoints.alloc (hb_set_get_population (input_codepoints));
   hb_codepoint_t cp = -1;
@@ -64,14 +64,14 @@ _populate_codepoints (hb_set_t *input_codepoints,
 
 HB_INTERNAL void
 _populate_gids_to_retain (hb_face_t *face,
-                          hb_auto_array_t<hb_codepoint_t>& codepoints,
-                          hb_auto_array_t<hb_codepoint_t>& old_gids,
-                          hb_auto_array_t<hb_codepoint_t>& old_gids_sorted)
+                          hb_prealloced_array_t<hb_codepoint_t>& codepoints,
+                          hb_prealloced_array_t<hb_codepoint_t>& old_gids,
+                          hb_prealloced_array_t<hb_codepoint_t>& old_gids_sorted)
 {
   OT::cmap::accelerator_t cmap;
   cmap.init (face);
 
-  hb_auto_array_t<unsigned int> bad_indices;
+  hb_prealloced_array_t<unsigned int> bad_indices;
 
   old_gids.alloc (codepoints.len);
   bool has_zero = false;
@@ -131,6 +131,11 @@ hb_subset_plan_create (hb_face_t           *face,
                        hb_subset_input_t   *input)
 {
   hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
+
+  plan->codepoints.init();
+  plan->gids_to_retain.init();
+  plan->gids_to_retain_sorted.init();
+
   _populate_codepoints (input->codepoints, plan->codepoints);
   _populate_gids_to_retain (face,
                             plan->codepoints,
@@ -139,13 +144,6 @@ hb_subset_plan_create (hb_face_t           *face,
   return plan;
 }
 
-hb_subset_plan_t *
-hb_subset_plan_get_empty ()
-{
-  hb_subset_plan_t *plan = hb_object_create<hb_subset_plan_t> ();
-  return plan;
-}
-
 /**
  * hb_subset_plan_destroy:
  *
@@ -159,5 +157,6 @@ hb_subset_plan_destroy (hb_subset_plan_t *plan)
   plan->codepoints.finish ();
   plan->gids_to_retain.finish ();
   plan->gids_to_retain_sorted.finish ();
+
   free (plan);
 }
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 3943e65bb..410d9beca 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -38,9 +38,9 @@ struct hb_subset_plan_t {
   // TODO(Q1) actual map, drop this crap
   // Look at me ma, I'm a poor mans map codepoint : new gid
   // codepoints is sorted and aligned with gids_to_retain.
-  hb_auto_array_t<hb_codepoint_t> codepoints;
-  hb_auto_array_t<hb_codepoint_t> gids_to_retain;
-  hb_auto_array_t<hb_codepoint_t> gids_to_retain_sorted;
+  hb_prealloced_array_t<hb_codepoint_t> codepoints;
+  hb_prealloced_array_t<hb_codepoint_t> gids_to_retain;
+  hb_prealloced_array_t<hb_codepoint_t> gids_to_retain_sorted;
 };
 
 typedef struct hb_subset_plan_t hb_subset_plan_t;
@@ -55,9 +55,6 @@ hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
                                   hb_codepoint_t old_gid,
                                   hb_codepoint_t *new_gid /* OUT */);
 
-HB_INTERNAL hb_subset_plan_t *
-hb_subset_plan_get_empty ();
-
 HB_INTERNAL void
 hb_subset_plan_destroy (hb_subset_plan_t *plan);
 

From 6c4ca6135a2ce846431b0ede6a288d3b2f97167e Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sun, 11 Feb 2018 00:42:06 +0330
Subject: [PATCH 1058/1326] Hide more symbols of hb-subset (#771)

---
 src/hb-subset-plan.cc | 2 +-
 src/hb-subset.cc      | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 4e71fb6f8..d9f348c63 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -29,7 +29,7 @@
 #include "hb-subset-plan.hh"
 #include "hb-ot-cmap-table.hh"
 
-int
+HB_INTERNAL int
 _hb_codepoint_t_cmp (const void *l, const void *r) {
   return *((hb_codepoint_t *) l) - *((hb_codepoint_t *) r);
 }
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 977de47d4..4a477f80a 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -251,7 +251,7 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
   return true;
 }
 
-bool
+HB_INTERNAL bool
 _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_t *dest)
 {
   hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (hb_face_reference_table (source, HB_OT_TAG_head));
@@ -278,7 +278,7 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
   return has_head;
 }
 
-bool
+HB_INTERNAL bool
 _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 {
   hb_blob_t *glyf_prime = nullptr;
@@ -300,7 +300,7 @@ _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
   return success;
 }
 
-bool
+HB_INTERNAL bool
 _subset_table (hb_subset_plan_t *plan,
                hb_face_t        *source,
                hb_tag_t          tag,

From a981d798eab41b6a7c6484776f04fe178bd536ba Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 15:17:28 -0600
Subject: [PATCH 1059/1326] Fix more build issues

Hopefully most bots come back with this...
---
 src/check-libstdc++.sh   |  5 +++--
 src/check-symbols.sh     |  2 +-
 src/hb-buffer.h          |  1 -
 src/hb-gobject-structs.h |  6 ++++++
 src/hb-subset-plan.cc    | 10 +++++++---
 src/hb-subset.cc         |  6 +++---
 6 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/src/check-libstdc++.sh b/src/check-libstdc++.sh
index 653a56609..a7b4c495f 100755
--- a/src/check-libstdc++.sh
+++ b/src/check-libstdc++.sh
@@ -21,12 +21,13 @@ else
 fi
 
 tested=false
-for soname in harfbuzz harfbuzz-icu harfbuzz-subset; do
+# harfbuzz-icu links to libstdc++ because icu does.
+for soname in harfbuzz harfbuzz-subset harfbuzz-gobject; do
 	for suffix in so dylib; do
 		so=$libs/lib$soname.$suffix
 		if ! test -f "$so"; then continue; fi
 
-		echo "Checking that we are not linking to libstdc++ or libc++"
+		echo "Checking that we are not linking to libstdc++ or libc++ in $so"
 		if $LDD $so | grep 'libstdc[+][+]\|libc[+][+]'; then
 			echo "Ouch, linked to libstdc++ or libc++"
 			stat=1
diff --git a/src/check-symbols.sh b/src/check-symbols.sh
index 59b7439a2..af8af4416 100755
--- a/src/check-symbols.sh
+++ b/src/check-symbols.sh
@@ -17,7 +17,7 @@ fi
 
 echo "Checking that we are not exposing internal symbols"
 tested=false
-for soname in harfbuzz harfbuzz-icu harfbuzz-subset; do
+for soname in harfbuzz harfbuzz-subset harfbuzz-icu harfbuzz-gobject; do
 	for suffix in so dylib; do
 		so=$libs/lib$soname.$suffix
 		if ! test -f "$so"; then continue; fi
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index c9de80298..8a2d3e869 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -92,7 +92,6 @@ typedef struct hb_glyph_info_t {
 typedef enum { /*< flags >*/
   HB_GLYPH_FLAG_UNSAFE_TO_BREAK		= 0x00000001,
 
-  /*< private >*/
   HB_GLYPH_FLAG_DEFINED			= 0x00000001 /* OR of all defined flags */
 } hb_glyph_flags_t;
 
diff --git a/src/hb-gobject-structs.h b/src/hb-gobject-structs.h
index 1c303219b..3b057d561 100644
--- a/src/hb-gobject-structs.h
+++ b/src/hb-gobject-structs.h
@@ -111,6 +111,12 @@ HB_EXTERN GType hb_gobject_segment_properties_get_type (void);
 HB_EXTERN GType hb_gobject_user_data_key_get_type (void);
 #define HB_GOBJECT_TYPE_USER_DATA_KEY (hb_gobject_user_data_key_get_type ())
 
+HB_EXTERN GType hb_gobject_ot_math_glyph_variant_get_type (void);
+#define HB_GOBJECT_TYPE_USER_DATA_KEY (hb_gobject_ot_math_glyph_variant_get_type ())
+
+HB_EXTERN GType hb_gobject_ot_math_glyph_part_get_type (void);
+#define HB_GOBJECT_TYPE_USER_DATA_KEY (hb_gobject_ot_math_glyph_part_get_type ())
+
 
 HB_END_DECLS
 
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index d9f348c63..830047f53 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -29,9 +29,13 @@
 #include "hb-subset-plan.hh"
 #include "hb-ot-cmap-table.hh"
 
-HB_INTERNAL int
-_hb_codepoint_t_cmp (const void *l, const void *r) {
-  return *((hb_codepoint_t *) l) - *((hb_codepoint_t *) r);
+static int
+_hb_codepoint_t_cmp (const void *pa, const void *pb)
+{
+  hb_codepoint_t a = * (hb_codepoint_t *) pa;
+  hb_codepoint_t b = * (hb_codepoint_t *) pb;
+
+  return a < b ? -1 : a > b ? +1 : 0;
 }
 
 hb_bool_t
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 4a477f80a..cf26ee32a 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -251,7 +251,7 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
   return true;
 }
 
-HB_INTERNAL bool
+static bool
 _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_t *dest)
 {
   hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (hb_face_reference_table (source, HB_OT_TAG_head));
@@ -278,7 +278,7 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
   return has_head;
 }
 
-HB_INTERNAL bool
+static bool
 _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 {
   hb_blob_t *glyf_prime = nullptr;
@@ -300,7 +300,7 @@ _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
   return success;
 }
 
-HB_INTERNAL bool
+static bool
 _subset_table (hb_subset_plan_t *plan,
                hb_face_t        *source,
                hb_tag_t          tag,

From 43314ff4c05076decbd1eb07ed78f732b6ebcba9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 15:40:03 -0600
Subject: [PATCH 1060/1326] More fixes

test-subset-glyf still failing. No idea why :(
---
 src/hb-subset.cc            |  3 +--
 test/api/test-subset-glyf.c | 26 ++++++++++++++++----------
 2 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index cf26ee32a..40f175d99 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -367,6 +367,5 @@ hb_subset (hb_face_t *source,
 
   // TODO(grieger): Remove once basic subsetting is working + tests updated.
   hb_face_destroy (dest);
-  hb_face_reference (source);
-  return success ? source : hb_face_get_empty();
+  return success ? hb_face_reference (source) : hb_face_get_empty ();
 }
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 196047fe6..91306767e 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -41,7 +41,6 @@ read_file (const char *path,
     rewind (fp);
   }
 
-  bool success = false;
   if (file_length > 0) {
     buffer = (char *) calloc (file_length + 1, sizeof(char));
     if (fread (buffer, 1, file_length, fp) == file_length) {
@@ -61,7 +60,11 @@ read_file (const char *path,
 static hb_face_t *
 open_font (const char *font_path)
 {
-  gchar *path = g_test_build_filename(G_TEST_DIST, font_path, NULL);
+#if GLIB_CHECK_VERSION(2,37,2)
+  gchar* path = g_test_build_filename(G_TEST_DIST, font_path, NULL);
+#else
+  gchar* path = g_strdup(fontFile);
+#endif
 
   size_t length;
   char *font_data = read_file(path, &length);
@@ -88,30 +91,33 @@ test_subset_glyf (void)
 {
   hb_face_t *face_abc = open_font("fonts/Roboto-Regular.abc.ttf");
   hb_face_t *face_ac = open_font("fonts/Roboto-Regular.ac.ttf");
+  hb_face_t *face_abc_subset;
+  hb_blob_t *glyf_expected_blob;
+  hb_blob_t *glyf_actual_blob;
+  hb_set_t *codepoints = hb_set_create();
+  hb_subset_profile_t *profile = hb_subset_profile_create();
+  hb_subset_input_t *input = hb_subset_input_create (codepoints);
 
   g_assert (face_abc);
   g_assert (face_ac);
 
-  hb_set_t *codepoints = hb_set_create();
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 99);
 
-  hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create (codepoints);
-
-  hb_face_t *face_abc_subset = hb_subset (face_abc, profile, input);
+  face_abc_subset = hb_subset (face_abc, profile, input);
   g_assert (face_abc_subset);
 
-  hb_blob_t *glyf_expected_blob = hb_face_reference_table (face_ac, HB_TAG('g','l','y','f'));
-  hb_blob_t *glyf_actual_blob = hb_face_reference_table (face_abc_subset, HB_TAG('g','l','y','f'));
+  glyf_expected_blob = hb_face_reference_table (face_ac, HB_TAG('g','l','y','f'));
+  glyf_actual_blob = hb_face_reference_table (face_abc_subset, HB_TAG('g','l','y','f'));
 
-  int expected_length, actual_length;
   // TODO(grieger): Uncomment below once this actually works.
+  //int expected_length, actual_length;
   // g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length,
   //   hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length);
 
   hb_blob_destroy (glyf_actual_blob);
   hb_blob_destroy (glyf_expected_blob);
+
   hb_subset_input_destroy (input);
   hb_subset_profile_destroy (profile);
   hb_set_destroy (codepoints);

From 4c5bdb4b39a723b624346d9b9ff9ace964fff0fe Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 15:40:54 -0600
Subject: [PATCH 1061/1326] [test] Disable test-subset-glyf for now

---
 test/api/test-subset-glyf.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 91306767e..fa41800b0 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -104,6 +104,7 @@ test_subset_glyf (void)
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 99);
 
+#if 0 /* Enable when actually works. */
   face_abc_subset = hb_subset (face_abc, profile, input);
   g_assert (face_abc_subset);
 
@@ -118,10 +119,12 @@ test_subset_glyf (void)
   hb_blob_destroy (glyf_actual_blob);
   hb_blob_destroy (glyf_expected_blob);
 
+  hb_face_destroy (face_abc_subset);
+#endif
+
   hb_subset_input_destroy (input);
   hb_subset_profile_destroy (profile);
   hb_set_destroy (codepoints);
-  hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
   hb_face_destroy (face_ac);
 }

From 203b647530b1550388bb3ce2f67e3b17e019d3e4 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sun, 11 Feb 2018 01:00:03 +0330
Subject: [PATCH 1062/1326] Favor use of static instead HB_INTERNAL

---
 src/hb-subset-glyf.cc | 8 ++++----
 src/hb-subset-plan.cc | 4 ++--
 src/hb-subset.cc      | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 31358e81f..fd8f7de26 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -29,7 +29,7 @@
 #include "hb-set.h"
 #include "hb-subset-glyf.hh"
 
-HB_INTERNAL bool
+static bool
 _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
                                      hb_prealloced_array_t<unsigned int> &glyph_ids,
                                      bool *use_short_loca, /* OUT */
@@ -63,7 +63,7 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
   return true;
 }
 
-HB_INTERNAL void
+static void
 _write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *loca_prime) {
   if (is_short) {
     ((OT::HBUINT16*) loca_prime) [id].set (offset / 2);
@@ -72,7 +72,7 @@ _write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *lo
   }
 }
 
-HB_INTERNAL bool
+static bool
 _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
                             hb_prealloced_array_t<unsigned int> &glyph_ids,
@@ -109,7 +109,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
   return true;
 }
 
-HB_INTERNAL bool
+static bool
 _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           const char                     *glyf_data,
                           hb_prealloced_array_t<hb_codepoint_t>&glyphs_to_retain,
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 830047f53..7f4448bf6 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -53,7 +53,7 @@ hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
   return false;
 }
 
-HB_INTERNAL void
+static void
 _populate_codepoints (hb_set_t *input_codepoints,
                       hb_prealloced_array_t<hb_codepoint_t>& plan_codepoints)
 {
@@ -66,7 +66,7 @@ _populate_codepoints (hb_set_t *input_codepoints,
   plan_codepoints.qsort (_hb_codepoint_t_cmp);
 }
 
-HB_INTERNAL void
+static void
 _populate_gids_to_retain (hb_face_t *face,
                           hb_prealloced_array_t<hb_codepoint_t>& codepoints,
                           hb_prealloced_array_t<hb_codepoint_t>& old_gids,
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 40f175d99..946006173 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -107,7 +107,7 @@ hb_subset_input_destroy(hb_subset_input_t *subset_input)
 }
 
 template<typename TableType>
-HB_INTERNAL hb_blob_t *
+static hb_blob_t *
 _subset (hb_subset_plan_t *plan, hb_face_t *source)
 {
     OT::Sanitizer<TableType> sanitizer;

From cdab20df1e55da196ffc6bc00d580e5ef74c1975 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 15:45:17 -0600
Subject: [PATCH 1063/1326] Minor

---
 src/hb-ot-layout.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index e93fc078b..8ad36d225 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1255,7 +1255,7 @@ void hb_ot_map_t::position (const hb_ot_shape_plan_t *plan, hb_font_t *font, hb_
   apply (proxy, plan, font, buffer);
 }
 
-HB_INTERNAL void
+void
 hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
 				const OT::SubstLookup &lookup,
 				const hb_ot_layout_lookup_accelerator_t &accel)

From 7039803b51f23cb15dd7e12b105c379bd2e38d71 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 15:47:50 -0600
Subject: [PATCH 1064/1326] Fix djgpp bot

---
 src/hb-subset-glyf.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index fd8f7de26..952946786 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -31,7 +31,7 @@
 
 static bool
 _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
-                                     hb_prealloced_array_t<unsigned int> &glyph_ids,
+                                     hb_prealloced_array_t<hb_codepoint_t> &glyph_ids,
                                      bool *use_short_loca, /* OUT */
                                      unsigned int *glyf_size, /* OUT */
                                      unsigned int *loca_size /* OUT */)
@@ -75,7 +75,7 @@ _write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *lo
 static bool
 _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
-                            hb_prealloced_array_t<unsigned int> &glyph_ids,
+                            hb_prealloced_array_t<hb_codepoint_t> &glyph_ids,
                             bool                           use_short_loca,
                             int                            glyf_prime_size,
                             char                          *glyf_prime_data /* OUT */,

From 6c1848b1e3b8969afc441f094b0d7b64b4b14933 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 15:52:35 -0600
Subject: [PATCH 1065/1326] Misc warning fixes

---
 test/api/test-blob.c   |  2 +-
 test/api/test-buffer.c | 14 +++++++-------
 test/api/test-ot-tag.c |  2 +-
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/test/api/test-blob.c b/test/api/test-blob.c
index f67133199..d566f4e9d 100644
--- a/test/api/test-blob.c
+++ b/test/api/test-blob.c
@@ -116,7 +116,7 @@ free_up_free (fixture_t *fixture)
 static uintptr_t
 get_pagesize (void)
 {
-  uintptr_t pagesize = -1;
+  uintptr_t pagesize = (uintptr_t) -1;
 
 #if defined(HAVE_SYSCONF) && defined(_SC_PAGE_SIZE)
   pagesize = (uintptr_t) sysconf (_SC_PAGE_SIZE);
diff --git a/test/api/test-buffer.c b/test/api/test-buffer.c
index 51322a4be..ef4fc855b 100644
--- a/test/api/test-buffer.c
+++ b/test/api/test-buffer.c
@@ -764,15 +764,15 @@ typedef struct {
 
 /* note: we skip the first and last item from utf32 when adding to buffer */
 static const utf32_conversion_test_t utf32_conversion_tests[] = {
-  {{0x41, 0x004D, 0x0430, 0x4E8C, 0xD800, 0xDF02, 0x61} , {0x004D, 0x0430, 0x4E8C, -3, -3}},
+  {{0x41, 0x004D, 0x0430, 0x4E8C, 0xD800, 0xDF02, 0x61} , {0x004D, 0x0430, 0x4E8C, (hb_codepoint_t) -3, (hb_codepoint_t) -3}},
   {{0x41, 0x004D, 0x0430, 0x4E8C, 0x10302, 0x61} , {0x004D, 0x0430, 0x4E8C, 0x10302}},
-  {{0x41, 0xD800, 0xDF02, 0x61}, {-3, -3}},
-  {{0x41, 0xD800, 0xDF02}, {-3}},
-  {{0x41, 0x61, 0xD800, 0xDF02}, {0x61, -3}},
-  {{0x41, 0xD800, 0x61, 0xDF02}, {-3, 0x61}},
-  {{0x41, 0xDF00, 0x61}, {-3}},
+  {{0x41, 0xD800, 0xDF02, 0x61}, {(hb_codepoint_t) -3, (hb_codepoint_t) -3}},
+  {{0x41, 0xD800, 0xDF02}, {(hb_codepoint_t) -3}},
+  {{0x41, 0x61, 0xD800, 0xDF02}, {0x61, (hb_codepoint_t) -3}},
+  {{0x41, 0xD800, 0x61, 0xDF02}, {(hb_codepoint_t) -3, 0x61}},
+  {{0x41, 0xDF00, 0x61}, {(hb_codepoint_t) -3}},
   {{0x41, 0x10FFFF, 0x61}, {0x10FFFF}},
-  {{0x41, 0x110000, 0x61}, {-3}},
+  {{0x41, 0x110000, 0x61}, {(hb_codepoint_t) -3}},
   {{0x41, 0x61}, {0}}
 };
 
diff --git a/test/api/test-ot-tag.c b/test/api/test-ot-tag.c
index 1abbc1db5..6fe79b422 100644
--- a/test/api/test-ot-tag.c
+++ b/test/api/test-ot-tag.c
@@ -37,7 +37,7 @@ static void
 test_simple_tags (const char *s, hb_script_t script)
 {
   hb_script_t tag;
-  hb_script_t t1, t2;
+  hb_tag_t t1, t2;
 
   g_test_message ("Testing script %c%c%c%c: tag %s", HB_UNTAG (hb_script_to_iso15924_tag (script)), s);
   tag = hb_tag_from_string (s, -1);

From 70b06cc6e71e15f0d7550f67b113eed5e6f30a5f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 16:13:06 -0600
Subject: [PATCH 1066/1326] More fixes

---
 util/hb-subset.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 22349ff13..a3505a814 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -37,7 +37,7 @@
 struct subset_consumer_t
 {
   subset_consumer_t (option_parser_t *parser)
-      : failed (false), options(parser) {}
+      : failed (false), options (parser), font (nullptr), codepoints (nullptr) {}
 
   void init (hb_buffer_t  *buffer_,
              const font_options_t *font_opts)
@@ -74,6 +74,8 @@ struct subset_consumer_t
     }
     int bytes_written = fwrite(data, 1, data_length, fp_out);
 
+    fclose (fp_out);
+
     if (bytes_written == -1) {
       fprintf(stderr, "Unable to write output file\n");
       return false;
@@ -93,8 +95,6 @@ struct subset_consumer_t
     hb_subset_input_t *subset_input = hb_subset_input_create (codepoints);
     hb_face_t *face = hb_font_get_face (font);
 
-
-
     hb_face_t *new_face = hb_subset(face, subset_profile, subset_input);
     hb_blob_t *result = hb_face_reference_blob (new_face);
 

From 9b5af3ec7f80a7793d5d3891e762d83026de0a5b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 10 Feb 2018 21:50:26 -0600
Subject: [PATCH 1067/1326] [gpos] Adjust mark attachment heuristic

Hopefully it...
fixes https://github.com/harfbuzz/harfbuzz/issues/740
---
 src/hb-ot-layout-gpos-table.hh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 3ef3d30b0..14ee37131 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -1072,9 +1072,14 @@ struct MarkBasePosFormat1
     skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
     do {
       if (!skippy_iter.prev ()) return_trace (false);
-      /* We only want to attach to the first of a MultipleSubst sequence.  Reject others. */
+      /* We only want to attach to the first of a MultipleSubst sequence.
+       * https://github.com/harfbuzz/harfbuzz/issues/740
+       * Reject others. */
       if (!_hb_glyph_info_multiplied (&buffer->info[skippy_iter.idx]) ||
-	  0 == _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]))
+	  0 == _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) ||
+	  (skippy_iter.idx == 0 ||
+	   _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx]) !=
+	   _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx - 1])))
 	break;
       skippy_iter.reject ();
     } while (1);

From 5845e5ca3bac21c0b03e71eab282b02fb7e868a4 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sun, 11 Feb 2018 12:03:33 +0330
Subject: [PATCH 1068/1326] fix gobject compile issue (#773)

---
 src/hb-gobject-structs.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-gobject-structs.h b/src/hb-gobject-structs.h
index 3b057d561..a34b06abb 100644
--- a/src/hb-gobject-structs.h
+++ b/src/hb-gobject-structs.h
@@ -112,10 +112,10 @@ HB_EXTERN GType hb_gobject_user_data_key_get_type (void);
 #define HB_GOBJECT_TYPE_USER_DATA_KEY (hb_gobject_user_data_key_get_type ())
 
 HB_EXTERN GType hb_gobject_ot_math_glyph_variant_get_type (void);
-#define HB_GOBJECT_TYPE_USER_DATA_KEY (hb_gobject_ot_math_glyph_variant_get_type ())
+#define HB_GOBJECT_TYPE_OT_MATH_GLYPH_VARIANT (hb_gobject_ot_math_glyph_variant_get_type ())
 
 HB_EXTERN GType hb_gobject_ot_math_glyph_part_get_type (void);
-#define HB_GOBJECT_TYPE_USER_DATA_KEY (hb_gobject_ot_math_glyph_part_get_type ())
+#define HB_GOBJECT_TYPE_OT_MATH_GLYPH_PART (hb_gobject_ot_math_glyph_part_get_type ())
 
 
 HB_END_DECLS

From c8d4c2e32f1cea610a9c91dc6b0c32e9ffe84f20 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sun, 11 Feb 2018 13:15:44 +0330
Subject: [PATCH 1069/1326] Initialize bad_indices on hb-subset (#775)

---
 src/hb-subset-plan.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 7f4448bf6..95d4aeb99 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -76,6 +76,7 @@ _populate_gids_to_retain (hb_face_t *face,
   cmap.init (face);
 
   hb_prealloced_array_t<unsigned int> bad_indices;
+  bad_indices.init ();
 
   old_gids.alloc (codepoints.len);
   bool has_zero = false;

From ae6d0259b4f075885070f833d0f2a96333bf4af3 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sun, 11 Feb 2018 15:40:55 +0330
Subject: [PATCH 1070/1326] Install fonttools on two bots and enable cmake
 hb-subset test (#777)

---
 .circleci/config.yml       | 6 ++++--
 test/subset/CMakeLists.txt | 8 ++++----
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 11ca1d7a8..c90ef4c4c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,8 @@ jobs:
       - image: ubuntu:17.10
     steps:
       - checkout
-      - run: apt update && apt install -y ninja-build binutils libtool autoconf automake make cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: apt update && apt install -y ninja-build binutils libtool autoconf automake make cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev python python-pip
+      - run: pip install fonttools
       - run: ./autogen.sh && make distcheck && rm -rf harfbuzz-*
       - run: make distdir && cd harfbuzz-* && cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
@@ -43,7 +44,8 @@ jobs:
       - image: ubuntu:17.10
     steps:
       - checkout
-      - run: apt update && apt install -y ninja-build binutils cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: apt update && apt install -y ninja-build binutils cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev python python-pip
+      - run: pip install fonttools
       - run: cmake -DHB_CHECK=ON -Bbuild -H. -GNinja
       - run: ninja -Cbuild
       - run: CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test
diff --git a/test/subset/CMakeLists.txt b/test/subset/CMakeLists.txt
index 6fe377e14..ea04105c0 100644
--- a/test/subset/CMakeLists.txt
+++ b/test/subset/CMakeLists.txt
@@ -2,9 +2,9 @@ if (HB_BUILD_UTILS)
   file (READ "${CMAKE_CURRENT_SOURCE_DIR}/data/Makefile.sources" SOURCES)
   extract_make_variable (TESTS ${SOURCES})
   foreach (test IN ITEMS ${TESTS})
-# TODO(grieger): Re-enable once ttx is available in CI environments.
-#    add_test (NAME ${test}
-#      COMMAND python run-tests.py $<TARGET_FILE:hb-subset> "data/${test}"
-#      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+    add_test (NAME ${test}
+      COMMAND python run-tests.py $<TARGET_FILE:hb-subset> "data/${test}"
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+    set_property(TEST ${test} PROPERTY SKIP_RETURN_CODE 77)
   endforeach ()
 endif ()

From 9aa2eb61e6cb3e4308140bed8a8531877ffd6adf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 19:00:42 -0600
Subject: [PATCH 1071/1326] Minor

---
 src/hb-ot-cmap-table.hh | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 70a9f647e..a2a6f8ba8 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -61,7 +61,7 @@ struct CmapSubtableFormat0
   HBUINT16	format;		/* Format number is set to 0. */
   HBUINT16	lengthZ;	/* Byte length of this subtable. */
   HBUINT16	languageZ;	/* Ignore. */
-  HBUINT8		glyphIdArray[256];/* An array that maps character
+  HBUINT8	glyphIdArray[256];/* An array that maps character
 				 * code to glyph index values. */
   public:
   DEFINE_SIZE_STATIC (6 + 256);
@@ -278,7 +278,8 @@ struct CmapSubtableLongSegmented
     TRACE_SERIALIZE (this);
     if (unlikely(!context->extend_min (*this))) return_trace (false);
     if (unlikely(!groups.serialize(context, group_count))) return_trace (false);
-    for (unsigned int i = 0; i < group_count; i++) {
+    for (unsigned int i = 0; i < group_count; i++)
+    {
       const CmapSubtableLongGroup &group = group_supplier[i];
       memcpy(&groups[i], &group, sizeof(group));
     }
@@ -581,9 +582,7 @@ struct cmap
 
     OT::Supplier<CmapSubtableLongGroup> group_supplier  (&groups[0], groups.len, sizeof (CmapSubtableLongGroup));
     if (unlikely(!format12.serialize(&context, groups.len, group_supplier)))
-    {
       return false;
-    }
 
     context.end_serialize ();
     return true;

From 3d421ce30713582484471baba76470c84dabc118 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 19:01:44 -0600
Subject: [PATCH 1072/1326] [subset] Use auto_array_t where it does make sense

Better fix for https://github.com/harfbuzz/harfbuzz/pull/775
---
 src/hb-subset-plan.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 95d4aeb99..a06d38ae5 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -75,8 +75,7 @@ _populate_gids_to_retain (hb_face_t *face,
   OT::cmap::accelerator_t cmap;
   cmap.init (face);
 
-  hb_prealloced_array_t<unsigned int> bad_indices;
-  bad_indices.init ();
+  hb_auto_array_t<unsigned int> bad_indices;
 
   old_gids.alloc (codepoints.len);
   bool has_zero = false;

From cd32177a322b5fd70c92f67f21b64686bf5d5533 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 19:34:05 -0600
Subject: [PATCH 1073/1326] Try at fixing multiple-definition of NullPool

If we don't have visibility, make NullPool static.
---
 src/hb-open-type-private.hh | 8 +++++++-
 src/hb-ot-layout.cc         | 2 ++
 src/hb-private.hh           | 4 +---
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index ef49ea912..e5bea3379 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -134,7 +134,13 @@ static inline Type& StructAfter(TObject &X)
 
 #define HB_NULL_POOL_SIZE 264
 static_assert (HB_NULL_POOL_SIZE % sizeof (void *) == 0, "Align HB_NULL_POOL_SIZE.");
-extern HB_INTERNAL const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
+
+#ifdef HB_NO_VISIBILITY
+static
+#else
+extern HB_INTERNAL
+#endif
+const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
 
 /* Generic nul-content Null objects. */
 template <typename Type>
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 8ad36d225..4cf6c722c 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -40,7 +40,9 @@
 #include "hb-ot-map-private.hh"
 
 
+#ifndef HB_NO_VISIBILITY
 const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {};
+#endif
 
 
 hb_ot_layout_t *
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 4a8d950d7..a516624a8 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -120,9 +120,7 @@ extern "C" void  hb_free_impl(void *ptr);
 #endif
 
 #ifndef HB_INTERNAL
-# ifdef __SUNPRO_CC
-#  define HB_INTERNAL __hidden
-# elif !defined(__MINGW32__) && !defined(__CYGWIN__)
+# if !defined(HB_NO_VISIBILITY) && !defined(__MINGW32__) && !defined(__CYGWIN__)
 #  define HB_INTERNAL __attribute__((__visibility__("hidden")))
 # else
 #  define HB_INTERNAL

From 41906cd5efc2fe17f5fff3fa5fe8488e0cdc6399 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 19:46:06 -0600
Subject: [PATCH 1074/1326] [subset] Another fixup

I broke this in c31fcf4c58d96eb7d9781a986991b1a79ac7be44
---
 src/hb-ot-cmap-table.hh  | 2 +-
 test/subset/run-tests.py | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index a2a6f8ba8..030b822b0 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -590,7 +590,7 @@ struct cmap
 
   hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
   {
-    hb_prealloced_array_t<CmapSubtableLongGroup> groups;
+    hb_auto_array_t<CmapSubtableLongGroup> groups;
 
     populate_groups(plan->codepoints, &groups);
 
diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index fe9582a78..faf615958 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -42,6 +42,7 @@ def run_test(test):
 		    "--font-file=" + test.font_path,
 		    "--output-file=" + out_file,
 		    "--unicodes=%s" % test.unicodes()]
+	print (' '.join(cli_args))
 	_, return_code = cmd(cli_args)
 
 	if return_code:

From b5f25844fbdd3167051c8d3586b404ae7f077b3b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 19:49:18 -0600
Subject: [PATCH 1075/1326] [docs] Minor update

---
 docs/harfbuzz-sections.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 1e1afb397..a9b4d53eb 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -327,7 +327,9 @@ HB_GOBJECT_TYPE_GLYPH_FLAGS
 HB_GOBJECT_TYPE_MEMORY_MODE
 HB_GOBJECT_TYPE_OT_LAYOUT_GLYPH_CLASS
 HB_GOBJECT_TYPE_OT_MATH_CONSTANT
+HB_GOBJECT_TYPE_OT_MATH_GLYPH_PART
 HB_GOBJECT_TYPE_OT_MATH_GLYPH_PART_FLAGS
+HB_GOBJECT_TYPE_OT_MATH_GLYPH_VARIANT
 HB_GOBJECT_TYPE_OT_MATH_KERN
 HB_GOBJECT_TYPE_SCRIPT
 HB_GOBJECT_TYPE_SHAPE_PLAN
@@ -356,7 +358,9 @@ hb_gobject_glyph_flags_get_type
 hb_gobject_memory_mode_get_type
 hb_gobject_ot_layout_glyph_class_get_type
 hb_gobject_ot_math_constant_get_type
+hb_gobject_ot_math_glyph_part_get_type
 hb_gobject_ot_math_glyph_part_flags_get_type
+hb_gobject_ot_math_glyph_variant_get_type
 hb_gobject_ot_math_kern_get_type
 hb_gobject_script_get_type
 hb_gobject_shape_plan_get_type

From dde6448379c9eeb0fc7cc476688002be661229b8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 18:24:22 -0800
Subject: [PATCH 1076/1326] Another try at fixing multiple-defintion of
 NullPool

This one might do it...
---
 src/hb-open-type-private.hh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index e5bea3379..5263d6f9b 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -140,7 +140,11 @@ static
 #else
 extern HB_INTERNAL
 #endif
-const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)];
+const void * const _hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)]
+#ifdef HB_NO_VISIBILITY
+= {}
+#endif
+;
 
 /* Generic nul-content Null objects. */
 template <typename Type>

From d33ba163611c42acd0125472191ea40745f905eb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 18:26:41 -0800
Subject: [PATCH 1077/1326] Fix more warnings

---
 test/api/test-buffer.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/test/api/test-buffer.c b/test/api/test-buffer.c
index ef4fc855b..b9a0268ce 100644
--- a/test/api/test-buffer.c
+++ b/test/api/test-buffer.c
@@ -369,10 +369,10 @@ typedef struct {
 
 /* note: we skip the first and last byte when adding to buffer */
 static const utf8_conversion_test_t utf8_conversion_tests[] = {
-  {"a\303\207", {-1}},
+  {"a\303\207", {(hb_codepoint_t) -1}},
   {"a\303\207b", {0xC7}},
-  {"ab\303cd", {'b', -1, 'c'}},
-  {"ab\303\302\301cd", {'b', -1, -1, -1, 'c'}}
+  {"ab\303cd", {'b', (hb_codepoint_t) -1, 'c'}},
+  {"ab\303\302\301cd", {'b', (hb_codepoint_t) -1, (hb_codepoint_t) -1, (hb_codepoint_t) -1, 'c'}}
 };
 
 static void
@@ -715,10 +715,10 @@ typedef struct {
 static const utf16_conversion_test_t utf16_conversion_tests[] = {
   {{0x41, 0x004D, 0x0430, 0x4E8C, 0xD800, 0xDF02, 0x61} , {0x004D, 0x0430, 0x4E8C, 0x10302}},
   {{0x41, 0xD800, 0xDF02, 0x61}, {0x10302}},
-  {{0x41, 0xD800, 0xDF02}, {-1}},
-  {{0x41, 0x61, 0xD800, 0xDF02}, {0x61, -1}},
-  {{0x41, 0xD800, 0x61, 0xDF02}, {-1, 0x61}},
-  {{0x41, 0xDF00, 0x61}, {-1}},
+  {{0x41, 0xD800, 0xDF02}, {(hb_codepoint_t) -1}},
+  {{0x41, 0x61, 0xD800, 0xDF02}, {0x61, (hb_codepoint_t) -1}},
+  {{0x41, 0xD800, 0x61, 0xDF02}, {(hb_codepoint_t) -1, 0x61}},
+  {{0x41, 0xDF00, 0x61}, {(hb_codepoint_t) -1}},
   {{0x41, 0x61}, {0}}
 };
 

From 0db6c6f214a83ffeeefb7c3b77476567e534facb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 18:28:10 -0800
Subject: [PATCH 1078/1326] Add Sun compiler to no-visibility as well

Fixes https://github.com/harfbuzz/harfbuzz/pull/776
---
 src/hb-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index a516624a8..dc0178ddc 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -120,7 +120,7 @@ extern "C" void  hb_free_impl(void *ptr);
 #endif
 
 #ifndef HB_INTERNAL
-# if !defined(HB_NO_VISIBILITY) && !defined(__MINGW32__) && !defined(__CYGWIN__)
+# if !defined(HB_NO_VISIBILITY) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(__SUNPRO_CC)
 #  define HB_INTERNAL __attribute__((__visibility__("hidden")))
 # else
 #  define HB_INTERNAL

From 90d1c740c370b97dfff52420db013ed50075b984 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 19:08:59 -0800
Subject: [PATCH 1079/1326] Add MSVC to no-visibility list

---
 src/hb-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index dc0178ddc..6430ba8e3 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -120,7 +120,7 @@ extern "C" void  hb_free_impl(void *ptr);
 #endif
 
 #ifndef HB_INTERNAL
-# if !defined(HB_NO_VISIBILITY) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(__SUNPRO_CC)
+# if !defined(HB_NO_VISIBILITY) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(_MSC_VER) && !defined(__SUNPRO_CC)
 #  define HB_INTERNAL __attribute__((__visibility__("hidden")))
 # else
 #  define HB_INTERNAL

From 7747bdb11b0635738a14c099bfaf58461cadd79a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Feb 2018 19:12:52 -0800
Subject: [PATCH 1080/1326] Remove linker selection from hb-ucdn

Since this is a convenience library, it's not actually linked. Or so I think.
Hoping this might fix this Appveyor failure:

https://ci.appveyor.com/project/harfbuzz/harfbuzz/build/job/9884jyb5vryja9pw

Making all in hb-ucdn
make[4]: Entering directory '/c/projects/harfbuzz/src/hb-ucdn'
  CC       libhb_ucdn_la-ucdn.lo
  GEN      libhb-ucdn.la
/bin/sh: libhb_ucdn_la-ucdn.lo: command not found
make[4]: *** [Makefile:404: libhb-ucdn.la] Error 127
make[4]: Leaving directory '/c/projects/harfbuzz/src/hb-ucdn'
make[3]: *** [Makefile:2548: all-recursive] Error 1
make[3]: Leaving directory '/c/projects/harfbuzz/src'
make[2]: *** [Makefile:1382: all] Error 2
make[2]: Leaving directory '/c/projects/harfbuzz/src'
make[1]: *** [Makefile:486: all-recursive] Error 1
make[1]: Leaving directory '/c/projects/harfbuzz'
make: *** [Makefile:418: all] Error 2
---
 src/hb-ucdn/Makefile.am | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/src/hb-ucdn/Makefile.am b/src/hb-ucdn/Makefile.am
index 7283ca051..73b550254 100644
--- a/src/hb-ucdn/Makefile.am
+++ b/src/hb-ucdn/Makefile.am
@@ -4,17 +4,6 @@ noinst_LTLIBRARIES = libhb-ucdn.la
 
 include Makefile.sources
 
-if OS_WIN32
-libhb_ucdn_la_LINK = $(CXXLINK)
-else
-# Use a C linker for GCC, not C++; Don't link to libstdc++
-if HAVE_GCC
-libhb_ucdn_la_LINK = $(LINK)
-else
-libhb_ucdn_la_LINK = $(CXXLINK)
-endif
-endif
-
 libhb_ucdn_la_SOURCES = $(LIBHB_UCDN_sources)
 libhb_ucdn_la_CPPFLAGS = \
 	-I$(top_srcdir) \

From 7daa2822f6320801dfed09782ae46687e7c8cbb3 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 12 Feb 2018 11:27:00 +0330
Subject: [PATCH 1081/1326] Add Travis based Coverity trigger (#778)

---
 .ci/trigger-coverity.sh | 13 +++++++++++++
 .travis.yml             | 14 ++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 .ci/trigger-coverity.sh

diff --git a/.ci/trigger-coverity.sh b/.ci/trigger-coverity.sh
new file mode 100644
index 000000000..e2416922e
--- /dev/null
+++ b/.ci/trigger-coverity.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -x
+set -o errexit -o nounset
+
+if test "x$TRAVIS_EVENT_TYPE" != x"cron"; then exit; fi
+
+BRANCH="$TRAVIS_BRANCH"
+if test "x$BRANCH" != xmaster; then exit; fi
+
+git fetch --unshallow
+git remote add upstream "https://$GH_TOKEN@github.com/harfbuzz/harfbuzz.git"
+git push -q upstream master:coverity_scan
diff --git a/.travis.yml b/.travis.yml
index 5516e7114..561172554 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,8 @@ env:
     - LDFLAGS="--coverage"
     - CONFIGURE_OPTS="--with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2"
     - NOCONFIGURE=1
+    # COVERITY_SCAN_TOKEN
+    - secure: "MRJtVu/fQoWNwMAamvIJBCX/1SMvEuEUk/ljAif/y2/3syyWgxFGp17UGnDILdoZYyCqTM+jQciY2P0nVqbjjOAUlML4QOAalqw8kPp8iTsnHUe+KOMVrOVP6p6qAQxk1im1O41cCMkmVKvk+NXe/on5euz6LGF2laHZaOAMoes="
 
 matrix:
   include:
@@ -28,6 +30,7 @@ matrix:
       after_success:
         - bash .ci/run-coveralls.sh # for coveralls.io code coverage tracking
         - bash .ci/deploy-docs.sh
+        - bash .ci/trigger-coverity.sh
 
     - os: linux
       compiler: clang
@@ -73,3 +76,14 @@ addons:
       - libicu-dev # for extra unicode functions
       - libgraphite2-dev # for extra shapers
       #- libgirepository1.0-dev # for gobject-introspection
+
+addons:
+  coverity_scan:
+    project:
+      name: harfbuzz/harfbuzz
+      version: 1.0
+      description: HarfBuzz OpenType text shaping engine
+    notification_email: harfbuzz@lists.freedesktop.org
+    build_command_prepend: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
+    build_command: make
+    branch_pattern: coverity_scan
\ No newline at end of file

From 82e04758c895ce2cd6bddde5f72e592c718fcb69 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 12 Feb 2018 11:56:32 +0330
Subject: [PATCH 1082/1326] minor

---
 .travis.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 561172554..e2de5038d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -77,7 +77,6 @@ addons:
       - libgraphite2-dev # for extra shapers
       #- libgirepository1.0-dev # for gobject-introspection
 
-addons:
   coverity_scan:
     project:
       name: harfbuzz/harfbuzz
@@ -86,4 +85,4 @@ addons:
     notification_email: harfbuzz@lists.freedesktop.org
     build_command_prepend: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
     build_command: make
-    branch_pattern: coverity_scan
\ No newline at end of file
+    branch_pattern: coverity_scan

From 2efc8965506d8fd31934be1dba3322f922f3409d Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 12 Feb 2018 12:00:07 +0330
Subject: [PATCH 1083/1326] Add --with-stdcpp for ossfuzzer and mupdf use
 (#770)

---
 configure.ac    | 12 ++++++------
 src/Makefile.am | 14 +++++++++++++-
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/configure.ac b/configure.ac
index 5a17cc1a1..f77e08742 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,6 +57,12 @@ m4_define([hb_libtool_current],
 HB_LIBTOOL_VERSION_INFO=hb_libtool_current:hb_libtool_revision:hb_libtool_age
 AC_SUBST(HB_LIBTOOL_VERSION_INFO)
 
+AC_ARG_WITH([stdcpp],
+    [AS_HELP_STRING([--with-stdcpp],
+			[Do not try suppressing linkage to libstdcpp])],,
+	[with_stdcpp=no])
+AM_CONDITIONAL(WITHSTDCPP, [test "x$with_stdcpp" = "xyes"])
+
 # Documentation
 have_gtk_doc=false
 m4_ifdef([GTK_DOC_CHECK], [
@@ -80,12 +86,6 @@ if test "x$GCC" = "xyes"; then
 	# Make symbols link locally
 	LDFLAGS="$LDFLAGS -Bsymbolic-functions"
 
-	# Make sure we don't link to libstdc++
-	CXXFLAGS="$CXXFLAGS -fno-rtti -fno-exceptions"
-
-	# No threadsafe statics and C++ as we do it ourselves
-	CXXFLAGS="$CXXFLAGS -fno-threadsafe-statics"
-
 	# Assorted warnings
 	CXXFLAGS="$CXXFLAGS -Wcast-align"
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 888628329..44df74653 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -30,6 +30,14 @@ HBSOURCES += $(HB_BASE_RAGEL_GENERATED_sources)
 HBHEADERS = $(HB_BASE_headers)
 HBNODISTHEADERS = $(HB_NODIST_headers)
 
+if !WITHSTDCPP
+# Make sure we don't link to libstdc++
+HBCFLAGS += -fno-rtti -fno-exceptions
+
+# No threadsafe statics and C++ as we do it ourselves
+HBCFLAGS += -fno-threadsafe-statics
+endif
+
 if HAVE_OT
 HBSOURCES += $(HB_OT_sources)
 HBSOURCES += $(HB_OT_RAGEL_GENERATED_sources)
@@ -116,13 +124,17 @@ export_symbols = -export-symbols harfbuzz.def
 harfbuzz_def_dependency = harfbuzz.def
 libharfbuzz_la_LINK = $(CXXLINK) $(libharfbuzz_la_LDFLAGS)
 else
-# Use a C linker for GCC, not C++; Don't link to libstdc++
+if WITHSTDCPP
+libharfbuzz_la_LINK = $(CXXLINK) $(libharfbuzz_la_LDFLAGS)
+else
 if HAVE_GCC
+# Use a C linker for GCC, not C++; Don't link to libstdc++
 libharfbuzz_la_LINK = $(LINK) $(libharfbuzz_la_LDFLAGS)
 else
 libharfbuzz_la_LINK = $(CXXLINK) $(libharfbuzz_la_LDFLAGS)
 endif
 endif
+endif
 
 libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS) $(HBNODISTHEADERS)
 libharfbuzz_la_CPPFLAGS = $(HBCFLAGS)

From a9b650d38407f6f2a26d8386e801600b1004d5d6 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 12 Feb 2018 15:10:13 +0330
Subject: [PATCH 1084/1326] Apply check-defs.sh to -icu and -subset, toward
 mingw fix (#780)

---
 CMakeLists.txt    | 11 ++++++++---
 src/Makefile.am   | 21 ++++++++++++++++-----
 src/check-defs.sh | 12 +++++-------
 src/gen-def.py    |  9 ++++++---
 4 files changed, 35 insertions(+), 18 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d1f2e087f..d23fc2dff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -836,8 +836,11 @@ if (UNIX OR MINGW)
     add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
     add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
 
-    set_tests_properties(check-static-inits.sh check-libstdc++.sh check-symbols.sh check-defs.sh
-      PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
+    set_tests_properties(
+      check-static-inits.sh check-libstdc++.sh check-symbols.sh check-defs.sh
+      PROPERTIES
+        ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src"
+        SKIP_RETURN_CODE 77)
   endif ()
 
   add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh)
@@ -846,7 +849,9 @@ if (UNIX OR MINGW)
   add_test(NAME check-includes.sh COMMAND ./check-includes.sh)
   set_tests_properties(
     check-c-linkage-decls.sh check-header-guards.sh check-externs.sh check-includes.sh
-    PROPERTIES WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
+    PROPERTIES
+      WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src
+      SKIP_RETURN_CODE 77)
 endif ()
 
 # Needs to come last so that variables defined above are passed to
diff --git a/src/Makefile.am b/src/Makefile.am
index 44df74653..48e633200 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -122,6 +122,10 @@ HBLIBS += $(HBNONPCLIBS)
 if OS_WIN32
 export_symbols = -export-symbols harfbuzz.def
 harfbuzz_def_dependency = harfbuzz.def
+export_symbols_icu = -export-symbols harfbuzz-icu.def
+harfbuzz_icu_def_dependency = harfbuzz-icu.def
+export_symbols_subset = -export-symbols harfbuzz-subset.def
+harfbuzz_subset_def_dependency = harfbuzz-subset.def
 libharfbuzz_la_LINK = $(CXXLINK) $(libharfbuzz_la_LDFLAGS)
 else
 if WITHSTDCPP
@@ -136,9 +140,10 @@ endif
 endif
 endif
 
+base_link_flags = $(AM_LDFLAGS) -lm -version-info $(HB_LIBTOOL_VERSION_INFO) -no-undefined
 libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS) $(HBNODISTHEADERS)
 libharfbuzz_la_CPPFLAGS = $(HBCFLAGS)
-libharfbuzz_la_LDFLAGS = $(AM_LDFLAGS) -lm -version-info $(HB_LIBTOOL_VERSION_INFO) $(export_symbols) -no-undefined
+libharfbuzz_la_LDFLAGS = $(base_link_flags) $(export_symbols)
 libharfbuzz_la_LIBADD = $(HBLIBS)
 EXTRA_libharfbuzz_la_DEPENDENCIES = $(harfbuzz_def_dependency)
 pkginclude_HEADERS = $(HBHEADERS)
@@ -151,8 +156,9 @@ lib_LTLIBRARIES += libharfbuzz-subset.la
 libharfbuzz_subset_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
 libharfbuzz_subset_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS)
-libharfbuzz_subset_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
+libharfbuzz_subset_la_LDFLAGS = $(base_link_flags) $(export_symbols_subset)
 libharfbuzz_subset_la_LIBADD = libharfbuzz.la
+EXTRA_libharfbuzz_subset_la_DEPENDENCIES = $(harfbuzz_subset_def_dependency)
 pkginclude_HEADERS += $(HB_SUBSET_headers)
 pkgconfig_DATA += harfbuzz-subset.pc
 EXTRA_DIST += harfbuzz-subset.pc.in
@@ -188,8 +194,9 @@ lib_LTLIBRARIES += libharfbuzz-icu.la
 libharfbuzz_icu_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
 libharfbuzz_icu_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(ICU_CFLAGS)
-libharfbuzz_icu_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
+libharfbuzz_icu_la_LDFLAGS = $(base_link_flags) $(export_symbols_icu)
 libharfbuzz_icu_la_LIBADD = $(ICU_LIBS) libharfbuzz.la
+EXTRA_libharfbuzz_icu_la_DEPENDENCIES = $(harfbuzz_icu_def_dependency)
 pkginclude_HEADERS += $(HB_ICU_headers)
 pkgconfig_DATA += harfbuzz-icu.pc
 endif
@@ -245,9 +252,13 @@ EXTRA_DIST += \
 CLEANFILES += $(pkgconfig_DATA)
 
 
-CLEANFILES += harfbuzz.def
+CLEANFILES += harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def
 harfbuzz.def: $(HBHEADERS) $(HBNODISTHEADERS)
 	$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
+harfbuzz-icu.def: $(HB_ICU_headers)
+	$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
+harfbuzz-subset.def: $(HB_SUBSET_headers)
+	$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
 
 
 GENERATORS = \
@@ -319,7 +330,7 @@ test_buffer_serialize_SOURCES = test-buffer-serialize.cc
 test_buffer_serialize_CPPFLAGS = $(HBCFLAGS)
 test_buffer_serialize_LDADD = libharfbuzz.la $(HBLIBS)
 
-check: harfbuzz.def # For check-defs.sh
+check: harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def # For check-defs.sh
 
 dist_check_SCRIPTS = \
 	check-c-linkage-decls.sh \
diff --git a/src/check-defs.sh b/src/check-defs.sh
index adb90a72b..71c909714 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -14,14 +14,12 @@ else
 	exit 77
 fi
 
-defs="harfbuzz.def"
-if ! test -f "$defs"; then
-	echo "check-defs.sh: '$defs' not found; skipping test"
-	exit 77
-fi
-
 tested=false
-for def in $defs; do
+for def in harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def; do
+	if ! test -f "$def"; then
+		echo "check-defs.sh: '$def' not found; skipping test"
+		exit 77
+	fi
 	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
 	for suffix in so dylib; do
 		so=$libs/lib${lib}.$suffix
diff --git a/src/gen-def.py b/src/gen-def.py
index ad1606ec3..1673537c9 100755
--- a/src/gen-def.py
+++ b/src/gen-def.py
@@ -9,8 +9,11 @@ for h in os.environ["headers"].split (' '):
 	if h.endswith (".h"):
 		with io.open(h, encoding='utf8') as f: headers_content.append (f.read ())
 
-result = ("EXPORTS\n" +
-	"\n".join (sorted (re.findall (r"^hb_\w+(?= \()", "\n".join (headers_content), re.M))) +
-	"\nLIBRARY libharfbuzz-0.dll")
+result = """EXPORTS
+%s
+LIBRARY lib%s-0.dll""" % (
+	"\n".join (sorted (re.findall (r"^hb_\w+(?= \()", "\n".join (headers_content), re.M))),
+	sys.argv[1].replace ('.def', '')
+)
 
 with open (sys.argv[1], "w") as f: f.write (result)

From 16f5b53eec4c3238cf92438a17e6dc532e8a61f5 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 12 Feb 2018 15:18:13 +0330
Subject: [PATCH 1085/1326] Minor, don't skip the whole test when one .def file
 not found

---
 src/check-defs.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/check-defs.sh b/src/check-defs.sh
index 71c909714..71b8f0218 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -17,8 +17,7 @@ fi
 tested=false
 for def in harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def; do
 	if ! test -f "$def"; then
-		echo "check-defs.sh: '$def' not found; skipping test"
-		exit 77
+		echo "check-defs.sh: '$def' not found; skipping test it"
 	fi
 	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
 	for suffix in so dylib; do

From 133e17fe2335abb77f61dbf1cff1955c21334137 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 12 Feb 2018 15:24:22 +0330
Subject: [PATCH 1086/1326] Minor

---
 src/check-defs.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/check-defs.sh b/src/check-defs.sh
index 71b8f0218..ade593570 100755
--- a/src/check-defs.sh
+++ b/src/check-defs.sh
@@ -18,6 +18,7 @@ tested=false
 for def in harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def; do
 	if ! test -f "$def"; then
 		echo "check-defs.sh: '$def' not found; skipping test it"
+		continue
 	fi
 	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
 	for suffix in so dylib; do

From 91f0d51f0525097fef6173046379a89414cb515f Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 12 Feb 2018 17:20:12 +0330
Subject: [PATCH 1087/1326] =?UTF-8?q?Fix=20symbol=20exporting=20issue=20on?=
 =?UTF-8?q?=20msys2=20and=20=E2=9C=85=20bringing=20all=20the=20bots=20(#78?=
 =?UTF-8?q?1)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/Makefile.am | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 48e633200..257285636 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -126,20 +126,24 @@ export_symbols_icu = -export-symbols harfbuzz-icu.def
 harfbuzz_icu_def_dependency = harfbuzz-icu.def
 export_symbols_subset = -export-symbols harfbuzz-subset.def
 harfbuzz_subset_def_dependency = harfbuzz-subset.def
-libharfbuzz_la_LINK = $(CXXLINK) $(libharfbuzz_la_LDFLAGS)
+choosed_linker = $(CXXLINK)
 else
 if WITHSTDCPP
-libharfbuzz_la_LINK = $(CXXLINK) $(libharfbuzz_la_LDFLAGS)
+choosed_linker = $(CXXLINK)
 else
 if HAVE_GCC
 # Use a C linker for GCC, not C++; Don't link to libstdc++
-libharfbuzz_la_LINK = $(LINK) $(libharfbuzz_la_LDFLAGS)
+choosed_linker = $(LINK)
 else
-libharfbuzz_la_LINK = $(CXXLINK) $(libharfbuzz_la_LDFLAGS)
+choosed_linker = $(CXXLINK)
 endif
 endif
 endif
 
+libharfbuzz_la_LINK = $(choosed_linker) $(libharfbuzz_la_LDFLAGS)
+libharfbuzz_icu_la_LINK = $(choosed_linker) $(libharfbuzz_icu_la_LDFLAGS)
+libharfbuzz_subset_la_LINK = $(choosed_linker) $(libharfbuzz_subset_la_LDFLAGS)
+
 base_link_flags = $(AM_LDFLAGS) -lm -version-info $(HB_LIBTOOL_VERSION_INFO) -no-undefined
 libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS) $(HBNODISTHEADERS)
 libharfbuzz_la_CPPFLAGS = $(HBCFLAGS)
@@ -153,7 +157,6 @@ pkgconfig_DATA = harfbuzz.pc
 EXTRA_DIST += harfbuzz.pc.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
-libharfbuzz_subset_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
 libharfbuzz_subset_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS)
 libharfbuzz_subset_la_LDFLAGS = $(base_link_flags) $(export_symbols_subset)
@@ -191,7 +194,6 @@ HBSOURCES += $(HB_ICU_sources)
 HBHEADERS += $(HB_ICU_headers)
 else
 lib_LTLIBRARIES += libharfbuzz-icu.la
-libharfbuzz_icu_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
 libharfbuzz_icu_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(ICU_CFLAGS)
 libharfbuzz_icu_la_LDFLAGS = $(base_link_flags) $(export_symbols_icu)

From 62c7d677e8699143e55e7bfa0cc3c1db75f32506 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 10:09:35 -0800
Subject: [PATCH 1088/1326] C-style comments

---
 src/hb-open-file-private.hh | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index ae30655a3..f01ab8718 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -133,15 +133,16 @@ typedef struct OffsetTable
 			 unsigned int table_count)
   {
     TRACE_SERIALIZE (this);
-    // alloc 12 for the OTHeader
+    /* alloc 12 for the OTHeader */
     if (unlikely (!c->extend_min (*this))) return_trace (false);
-    // write sfntVersion (bytes 0..3)
+    /* write sfntVersion (bytes 0..3) */
     sfnt_version.set (sfnt_tag);
-    // take space for numTables, searchRange, entrySelector, RangeShift
-    // and the TableRecords themselves
+    /* take space for numTables, searchRange, entrySelector, RangeShift
+     * and the TableRecords themselves
+     */
     if (unlikely (!tables.serialize (c, table_count))) return_trace (false);
 
-    // write OffsetTables, alloc for and write actual table blobs
+    /* write OffsetTables, alloc for and write actual table blobs */
     for (unsigned int i = 0; i < table_count; i++)
     {
       TableRecord &rec = tables.array[i];
@@ -153,9 +154,9 @@ typedef struct OffsetTable
       // take room for the table
       void *p = c->allocate_size<void> (rec.length);
       if (unlikely (!p)) {return false;}
-      // copy the actual table
+      /* copy the actual table */
       memcpy (p, hb_blob_get_data (blob, nullptr), rec.length);
-      // 4-byte allignment
+      /* 4-byte allignment */
       if (rec.length % 4)
 	p = c->allocate_size<void> (4 - rec.length % 4);
     }

From ebd31d376d63c9698c0eae34ed295558f7230918 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 10:10:08 -0800
Subject: [PATCH 1089/1326] subset for real

---
 src/hb-subset.cc | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 946006173..7b6b932fb 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -365,7 +365,5 @@ hb_subset (hb_face_t *source,
     }
   } while (count == ARRAY_LENGTH (table_tags));
 
-  // TODO(grieger): Remove once basic subsetting is working + tests updated.
-  hb_face_destroy (dest);
-  return success ? hb_face_reference (source) : hb_face_get_empty ();
+  return success ? dest : hb_face_get_empty ();
 }

From 0301e5be286f5080ec34e9f30c75e73f28d0218b Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 10:12:11 -0800
Subject: [PATCH 1090/1326] Build a working cmap format 12

---
 src/hb-ot-cmap-table.hh | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 030b822b0..c338371fd 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -573,18 +573,29 @@ struct cmap
     rec.platformID.set (3); // Windows
     rec.encodingID.set (1); // Unicode BMP
 
-    CmapSubtable &subtable = rec.subtable.serialize(&context, &rec.subtable);
+    /* capture offset to subtable */
+    CmapSubtable &subtable = rec.subtable.serialize(&context, cmap);
+
     subtable.u.format.set(12);
 
     CmapSubtableFormat12 &format12 = subtable.u.format12;
+    if (unlikely(!context.extend_min(format12)))
+    {
+      return false;
+    }
+
     format12.format.set(12);
     format12.reservedZ.set(0);
+    format12.lengthZ.set(16 + 12 * groups.len);
 
     OT::Supplier<CmapSubtableLongGroup> group_supplier  (&groups[0], groups.len, sizeof (CmapSubtableLongGroup));
     if (unlikely(!format12.serialize(&context, groups.len, group_supplier)))
+    {
       return false;
+    }
 
     context.end_serialize ();
+
     return true;
   }
 

From 5df080bf155a12f98929b99438da492063ab9218 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 10:15:59 -0800
Subject: [PATCH 1091/1326] Destroy the subset plan at the end of subsetting.

---
 src/hb-subset.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 7b6b932fb..13acb8c98 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -365,5 +365,6 @@ hb_subset (hb_face_t *source,
     }
   } while (count == ARRAY_LENGTH (table_tags));
 
+  hb_subset_plan_destroy (plan);
   return success ? dest : hb_face_get_empty ();
 }

From 427f9e4b90bfadb8af13cbd27b7c3ee0153ca8b1 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 11:18:28 -0800
Subject: [PATCH 1092/1326] Don't force loca version to long.

---
 src/hb-subset-glyf.cc | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 952946786..cd886ea70 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -183,7 +183,5 @@ hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
                                           loca_prime);
   glyf.fini();
 
-  *use_short_loca = false;
-
   return result;
 }

From 83e1ef92156d8688b96d14957efcdf7601768799 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 11:22:32 -0800
Subject: [PATCH 1093/1326] [subset] Set the new number of glyphs in maxp.

---
 src/hb-ot-maxp-table.hh |  5 +++++
 src/hb-subset.cc        | 37 ++++++++++++++++++++++++++++++++-----
 2 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index 54b4f11ce..fb2209c40 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -48,6 +48,11 @@ struct maxp
     return numGlyphs;
   }
 
+  inline void set_num_glyphs (uint16_t count)
+  {
+    numGlyphs.set (count);
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 13acb8c98..cacee706c 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -36,6 +36,8 @@
 #include "hb-open-file-private.hh"
 #include "hb-ot-cmap-table.hh"
 #include "hb-ot-glyf-table.hh"
+#include "hb-ot-head-table.hh"
+#include "hb-ot-maxp-table.hh"
 
 
 #ifndef HB_NO_VISIBILITY
@@ -265,19 +267,42 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
 
     hb_blob_t *head_prime_blob = hb_blob_create ((const char*) head_prime,
                                                  OT::head::static_size,
-                                                 HB_MEMORY_MODE_WRITABLE,
+                                                 HB_MEMORY_MODE_READONLY,
                                                  head_prime,
                                                  free);
-    has_head = has_head && hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
-
+    has_head = hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
     hb_blob_destroy (head_prime_blob);
   }
 
   hb_blob_destroy (head_blob);
-
   return has_head;
 }
 
+static bool
+_add_maxp_and_set_glyph_count (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
+{
+  hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (source, HB_OT_TAG_maxp));
+  const OT::maxp *maxp = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob);
+  bool has_maxp = (maxp != nullptr);
+  if (has_maxp) {
+    unsigned int length = hb_blob_get_length (maxp_blob);
+    OT::maxp *maxp_prime = (OT::maxp *) calloc (length, 1);
+    memcpy (maxp_prime, maxp, length);
+    maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);
+
+    hb_blob_t *maxp_prime_blob = hb_blob_create ((const char*) maxp_prime,
+                                                 length,
+                                                 HB_MEMORY_MODE_READONLY,
+                                                 maxp_prime,
+                                                 free);
+    has_maxp = hb_subset_face_add_table (dest, HB_OT_TAG_maxp, maxp_prime_blob);
+    hb_blob_destroy (maxp_prime_blob);
+  }
+
+  hb_blob_destroy (maxp_blob);
+  return has_maxp;
+}
+
 static bool
 _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 {
@@ -316,6 +341,8 @@ _subset_table (hb_subset_plan_t *plan,
     case HB_OT_TAG_head:
       // SKIP head, it's handled by glyf
       return true;
+    case HB_OT_TAG_maxp:
+      return _add_maxp_and_set_glyph_count (plan, source, dest);
     case HB_OT_TAG_loca:
       // SKIP loca, it's handle by glyf
       return true;
@@ -325,7 +352,7 @@ _subset_table (hb_subset_plan_t *plan,
     default:
       dest_blob = source_blob;
       break;
-  } 
+  }
   DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), dest_blob ? "ok" : "FAILED");
   if (unlikely(!dest_blob)) return false;
   if (unlikely(!hb_subset_face_add_table (dest, tag, dest_blob))) return false;

From 692f86e569847adb332186cbb08f344ebe41fa6c Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 11:29:23 -0800
Subject: [PATCH 1094/1326] drop GDEF, GPOS, GSUB, and dsig

---
 src/hb-subset.cc | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index cacee706c..d9a4d1258 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -359,6 +359,20 @@ _subset_table (hb_subset_plan_t *plan,
   return true;
 }
 
+static bool
+_should_drop_table(hb_tag_t tag) 
+{
+    switch (tag) {
+      case HB_TAG('G', 'D', 'E', 'F'): /* temporary */
+      case HB_TAG('G', 'P', 'O', 'S'): /* temporary */
+      case HB_TAG('G', 'S', 'U', 'B'): /* temporary */
+      case HB_TAG('d', 's', 'i', 'g'):
+        return true;
+      default:
+        return false;
+  } 
+}
+
 /**
  * hb_subset:
  * @source: font face data to be subset.
@@ -386,6 +400,11 @@ hb_subset (hb_face_t *source,
     for (unsigned int i = 0; i < count; i++)
     {
       hb_tag_t tag = table_tags[i];
+      if (_should_drop_table(tag))
+      {
+        DEBUG_MSG(SUBSET, nullptr, "drop %c%c%c%c", HB_UNTAG(tag));
+        continue;
+      }
       hb_blob_t *blob = hb_face_reference_table (source, tag);
       success = success && _subset_table (plan, source, tag, blob, dest);
       hb_blob_destroy (blob);

From a5713bc2cb4a3fd71d3bc94b9f155339b09eb71a Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 11:30:45 -0800
Subject: [PATCH 1095/1326] we love all our groups

---
 src/hb-ot-cmap-table.hh | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index c338371fd..b3a7b8b8e 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -528,18 +528,15 @@ struct cmap
     CmapSubtableLongGroup *group = nullptr;
     for (unsigned int i = 0; i < codepoints.len; i++) {
       hb_codepoint_t cp = codepoints[i];
-      if (!group)
+      if (!group || cp - 1 != group->endCharCode)
       {
         group = groups->push();
         group->startCharCode.set(cp);
         group->endCharCode.set(cp);
         group->glyphID.set(i);  // index in codepoints is new gid
-      } else if (cp -1 == group->endCharCode)
-      {
-        group->endCharCode.set(cp);
       } else
       {
-        group = nullptr;
+        group->endCharCode.set(cp);
       }
     }
 

From 0b94d590d971de0b44b0db941c7a3e095f15fbc9 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Mon, 12 Feb 2018 16:45:36 +0200
Subject: [PATCH 1096/1326] =?UTF-8?q?Rename=20--with-stdcpp=20=E2=86=92=20?=
 =?UTF-8?q?--with-libstdc++?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Also improve wording a bit and fix make check in --with-libstdc++=yes.
---
 configure.ac    | 11 ++++++-----
 src/Makefile.am | 11 ++++++++---
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/configure.ac b/configure.ac
index f77e08742..d8c38fe29 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,11 +57,12 @@ m4_define([hb_libtool_current],
 HB_LIBTOOL_VERSION_INFO=hb_libtool_current:hb_libtool_revision:hb_libtool_age
 AC_SUBST(HB_LIBTOOL_VERSION_INFO)
 
-AC_ARG_WITH([stdcpp],
-    [AS_HELP_STRING([--with-stdcpp],
-			[Do not try suppressing linkage to libstdcpp])],,
-	[with_stdcpp=no])
-AM_CONDITIONAL(WITHSTDCPP, [test "x$with_stdcpp" = "xyes"])
+AC_ARG_WITH([libstdc++],
+	[AS_HELP_STRING([--with-libstdc++=@<:@yes/no@:>@],
+			[Allow linking with libstdc++ @<:@default=no@:>@])],
+	[with_libstdcxx=$withval],
+	[with_libstdcxx=no])
+AM_CONDITIONAL(WITH_LIBSTDCXX, [test "x$with_libstdcxx" = "xyes"])
 
 # Documentation
 have_gtk_doc=false
diff --git a/src/Makefile.am b/src/Makefile.am
index 257285636..7b7ccdef1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -30,7 +30,7 @@ HBSOURCES += $(HB_BASE_RAGEL_GENERATED_sources)
 HBHEADERS = $(HB_BASE_headers)
 HBNODISTHEADERS = $(HB_NODIST_headers)
 
-if !WITHSTDCPP
+if !WITH_LIBSTDCXX
 # Make sure we don't link to libstdc++
 HBCFLAGS += -fno-rtti -fno-exceptions
 
@@ -128,7 +128,7 @@ export_symbols_subset = -export-symbols harfbuzz-subset.def
 harfbuzz_subset_def_dependency = harfbuzz-subset.def
 choosed_linker = $(CXXLINK)
 else
-if WITHSTDCPP
+if WITH_LIBSTDCXX
 choosed_linker = $(CXXLINK)
 else
 if HAVE_GCC
@@ -340,11 +340,16 @@ dist_check_SCRIPTS = \
 	check-externs.sh \
 	check-header-guards.sh \
 	check-includes.sh \
-	check-libstdc++.sh \
 	check-static-inits.sh \
 	check-symbols.sh \
 	$(NULL)
 
+if !WITH_LIBSTDCXX
+dist_check_SCRIPTS += \
+	check-libstdc++.sh \
+	$(NULL)
+endif
+
 check_PROGRAMS = \
 	test-ot-tag \
 	$(NULL)

From e8318188c0e53a267a01c45b0fc8d29ad775738a Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 11:38:28 -0800
Subject: [PATCH 1097/1326] [subset] Fix loca generation, was previously
 writing the original glyph starting offset.

---
 src/hb-subset-glyf.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index cd886ea70..28f5f0c57 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -86,6 +86,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 
   hb_codepoint_t new_glyph_id = 0;
 
+  unsigned int current_offset = 0;
   unsigned int end_offset = 0;
   for (unsigned int i = 0; i < glyph_ids.len; i++) {
     unsigned int start_offset;
@@ -96,15 +97,16 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
     int length = end_offset - start_offset;
     memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
 
-    _write_loca_entry (i, start_offset, use_short_loca, loca_prime_data);
+    _write_loca_entry (i, current_offset, use_short_loca, loca_prime_data);
 
     glyf_prime_data_next += length;
+    current_offset += length;
     new_glyph_id++;
   }
 
   // Add the last loca entry which doesn't correspond to a specific glyph
   // but identifies the end of the last glyphs data.
-  _write_loca_entry (new_glyph_id, end_offset, use_short_loca, loca_prime_data);
+  _write_loca_entry (new_glyph_id, current_offset, use_short_loca, loca_prime_data);
 
   return true;
 }

From d8d8bd8405ec0db781c4c2bbb7ebd6ff520b3c2d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 13:33:55 -0800
Subject: [PATCH 1098/1326] [subset] Add some helper functions for writing
 tests around subsetting.

---
 test/api/Makefile.am      |   2 +-
 test/api/hb-subset-test.h | 123 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 124 insertions(+), 1 deletion(-)
 create mode 100644 test/api/hb-subset-test.h

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 9cda5ef37..8c1c47572 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -16,7 +16,7 @@ if HAVE_GLIB
 AM_CPPFLAGS = -DSRCDIR="\"$(srcdir)\"" -I$(top_srcdir)/src/ -I$(top_builddir)/src/ $(GLIB_CFLAGS)
 LDADD = $(top_builddir)/src/libharfbuzz.la $(GLIB_LIBS)
 
-EXTRA_DIST += hb-test.h
+EXTRA_DIST += hb-test.h hb-subset-test.h
 
 check_PROGRAMS = $(TEST_PROGS)
 noinst_PROGRAMS = $(TEST_PROGS)
diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
new file mode 100644
index 000000000..bc7016f05
--- /dev/null
+++ b/test/api/hb-subset-test.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef HB_SUBSET_TEST_H
+#define HB_SUBSET_TEST_H
+
+#include <stdio.h>
+
+#include "hb-test.h"
+
+
+HB_BEGIN_DECLS
+
+static inline char *
+hb_subset_test_read_file (const char *path,
+                          size_t     *length /* OUT */)
+{
+  FILE *fp = fopen (path, "rb");
+
+  size_t file_length = 0;
+  char *buffer = NULL;
+  if (fp && fseek (fp, 0, SEEK_END) == 0) {
+    file_length = ftell(fp);
+    rewind (fp);
+  }
+
+  if (file_length > 0) {
+    buffer = (char *) calloc (file_length + 1, sizeof(char));
+    if (fread (buffer, 1, file_length, fp) == file_length) {
+      *length = file_length;
+    } else {
+      free (buffer);
+      buffer = NULL;
+    }
+  }
+
+  if (fp)
+    fclose(fp);
+
+  return buffer;
+}
+
+static inline hb_face_t *
+hb_subset_test_open_font (const char *font_path)
+{
+#if GLIB_CHECK_VERSION(2,37,2)
+  gchar* path = g_test_build_filename(G_TEST_DIST, font_path, NULL);
+#else
+  gchar* path = g_strdup(fontFile);
+#endif
+
+  size_t length;
+  char *font_data = hb_subset_test_read_file(path, &length);
+
+  if (font_data != NULL) {
+    hb_blob_t *blob = hb_blob_create (font_data,
+                                      length,
+                                      HB_MEMORY_MODE_READONLY,
+                                      font_data,
+                                      free);
+    hb_face_t *face = hb_face_create (blob, 0);
+    hb_blob_destroy (blob);
+    return face;
+  }
+
+  return NULL;
+}
+
+static inline hb_face_t *
+hb_subset_test_create_subset (hb_face_t *source,
+                              hb_set_t  *codepoints)
+{
+  hb_subset_profile_t *profile = hb_subset_profile_create();
+  hb_subset_input_t *input = hb_subset_input_create (codepoints);
+  hb_face_t *subset = hb_subset (source, profile, input);
+  g_assert (subset);
+
+  hb_subset_profile_destroy (profile);
+  hb_subset_input_destroy (input);
+  return subset;
+}
+
+static inline void
+hb_subset_test_check (hb_face_t *expected,
+                      hb_face_t *actual,
+                      hb_tag_t   table)
+{
+  hb_blob_t *glyf_expected_blob = hb_face_reference_table (expected, table);
+  hb_blob_t *glyf_actual_blob = hb_face_reference_table (actual, table);
+  int expected_length, actual_length;
+  g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length,
+                  hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length);
+  hb_blob_destroy (glyf_actual_blob);
+  hb_blob_destroy (glyf_expected_blob);
+}
+
+
+HB_END_DECLS
+
+#endif /* HB_SUBSET_TEST_H */

From 1714feef4f7ec9e758e65edcbe5d5591562f46ee Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 13:35:17 -0800
Subject: [PATCH 1099/1326] [subset] re-enable test-subset-glyf. Refactor to
 use common functions in hb-subset-test.h

---
 test/api/test-subset-glyf.c | 113 +++++++++---------------------------
 1 file changed, 29 insertions(+), 84 deletions(-)

diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index fa41800b0..538960c54 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -27,114 +27,59 @@
 #include <stdbool.h>
 
 #include "hb-test.h"
-
-static char *
-read_file (const char *path,
-           size_t     *length)
-{
-  FILE *fp = fopen (path, "rb");
-
-  size_t file_length = 0;
-  char *buffer = NULL;
-  if (fp && fseek (fp, 0, SEEK_END) == 0) {
-    file_length = ftell(fp);
-    rewind (fp);
-  }
-
-  if (file_length > 0) {
-    buffer = (char *) calloc (file_length + 1, sizeof(char));
-    if (fread (buffer, 1, file_length, fp) == file_length) {
-      *length = file_length;
-    } else {
-      free (buffer);
-      buffer = NULL;
-    }
-  }
-
-  if (fp)
-    fclose(fp);
-
-  return buffer;
-}
-
-static hb_face_t *
-open_font (const char *font_path)
-{
-#if GLIB_CHECK_VERSION(2,37,2)
-  gchar* path = g_test_build_filename(G_TEST_DIST, font_path, NULL);
-#else
-  gchar* path = g_strdup(fontFile);
-#endif
-
-  size_t length;
-  char *font_data = read_file(path, &length);
-
-  if (font_data != NULL) {
-    hb_blob_t *blob = hb_blob_create (font_data,
-                                      length,
-                                      HB_MEMORY_MODE_READONLY,
-                                      font_data,
-                                      free);
-    hb_face_t *face = hb_face_create (blob, 0);
-    hb_blob_destroy (blob);
-    return face;
-  }
-
-  return NULL;
-}
-
+#include "hb-subset-test.h"
 
 /* Unit tests for hb-subset-glyf.h */
 
 static void
 test_subset_glyf (void)
 {
-  hb_face_t *face_abc = open_font("fonts/Roboto-Regular.abc.ttf");
-  hb_face_t *face_ac = open_font("fonts/Roboto-Regular.ac.ttf");
-  hb_face_t *face_abc_subset;
-  hb_blob_t *glyf_expected_blob;
-  hb_blob_t *glyf_actual_blob;
-  hb_set_t *codepoints = hb_set_create();
-  hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create (codepoints);
-
+  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
   g_assert (face_abc);
+  hb_face_t *face_ac = hb_subset_test_open_font("fonts/Roboto-Regular.ac.ttf");
   g_assert (face_ac);
 
+  hb_set_t *codepoints = hb_set_create();
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 99);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
 
-#if 0 /* Enable when actually works. */
-  face_abc_subset = hb_subset (face_abc, profile, input);
-  g_assert (face_abc_subset);
-
-  glyf_expected_blob = hb_face_reference_table (face_ac, HB_TAG('g','l','y','f'));
-  glyf_actual_blob = hb_face_reference_table (face_abc_subset, HB_TAG('g','l','y','f'));
-
-  // TODO(grieger): Uncomment below once this actually works.
-  //int expected_length, actual_length;
-  // g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length,
-  //   hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length);
-
-  hb_blob_destroy (glyf_actual_blob);
-  hb_blob_destroy (glyf_expected_blob);
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
 
   hb_face_destroy (face_abc_subset);
-#endif
-
-  hb_subset_input_destroy (input);
-  hb_subset_profile_destroy (profile);
-  hb_set_destroy (codepoints);
   hb_face_destroy (face_abc);
   hb_face_destroy (face_ac);
 }
 
+static void
+test_subset_glyf_noop (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
+  g_assert (face_abc);
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 97);
+  hb_set_add (codepoints, 98);
+  hb_set_add (codepoints, 99);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('g','l','y','f'));
+  hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('l','o','c', 'a'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+}
+
 int
 main (int argc, char **argv)
 {
   hb_test_init (&argc, &argv);
 
   hb_test_add (test_subset_glyf);
+  hb_test_add (test_subset_glyf_noop);
 
   return hb_test_run();
 }

From 4cdd1b16c99f2681eb11d626c4408eebcc1672be Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 13:36:28 -0800
Subject: [PATCH 1100/1326] [subset] added todo in test-subset-glyf.

---
 test/api/test-subset-glyf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 538960c54..98e12339a 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -73,6 +73,8 @@ test_subset_glyf_noop (void)
   hb_face_destroy (face_abc);
 }
 
+// TODO(grieger): test for long loca generation.
+
 int
 main (int argc, char **argv)
 {

From 1639bdd33122dc8e5522b95c37660273d1fc609e Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 13:40:42 -0800
Subject: [PATCH 1101/1326] [subset] Remove test-subset, testing is planned to
 be done at the table level here with test/subset covering the complete
 subsetting operation.

---
 test/api/Makefile.am   |  1 -
 test/api/test-subset.c | 73 ------------------------------------------
 2 files changed, 74 deletions(-)
 delete mode 100644 test/api/test-subset.c

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 8c1c47572..e36b3fd57 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -29,7 +29,6 @@ TEST_PROGS = \
 	test-object \
 	test-set \
 	test-shape \
-	test-subset \
 	test-subset-glyf \
 	test-unicode \
 	test-version \
diff --git a/test/api/test-subset.c b/test/api/test-subset.c
deleted file mode 100644
index 4184a563f..000000000
--- a/test/api/test-subset.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright © 2011  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Garret Rieger
- */
-
-#include "hb-test.h"
-
-/* Unit tests for hb-subset.h */
-
-static const char test_data[] = { 0, 1, 0, 0,	/* sfntVersion */
-				  0, 0,		/* numTables */
-				  0, 0x10,	/* searchRange */
-				  0, 0,		/* entrySelector */
-				  0, 0,		/* rangeShift */
-				};
-
-static void
-test_subset (void)
-{
-  hb_blob_t *font_blob = hb_blob_create(test_data, sizeof(test_data),
-					HB_MEMORY_MODE_READONLY, NULL, NULL);
-  hb_face_t *face = hb_face_create(font_blob, 0);
-
-  hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create (hb_set_get_empty ());
-
-  hb_face_t *out_face = hb_subset(face, profile, input);
-  g_assert(out_face);
-  g_assert(out_face != hb_face_get_empty ());
-  hb_blob_t *output = hb_face_reference_blob (out_face);
-
-  unsigned int output_length;
-  const char *output_data = hb_blob_get_data(output, &output_length);
-  g_assert_cmpmem (test_data, sizeof (test_data), output_data, output_length);
-
-  hb_blob_destroy(output);
-  hb_subset_input_destroy(input);
-  hb_subset_profile_destroy(profile);
-  hb_face_destroy(out_face);
-  hb_face_destroy(face);
-  hb_blob_destroy(font_blob);
-}
-
-int
-main (int argc, char **argv)
-{
-  hb_test_init (&argc, &argv);
-
-  hb_test_add (test_subset);
-
-  return hb_test_run();
-}

From 1330edc4fe3ffbf18313d6432045606865c610c4 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 14:29:23 -0800
Subject: [PATCH 1102/1326] Use functions to get new gids. Avoid 0; fonttools
 drops it from cmap.

---
 src/hb-ot-cmap-table.hh | 24 ++++++++++++++++++------
 src/hb-subset-plan.cc   | 25 ++++++++++++++++++++-----
 src/hb-subset-plan.hh   |  5 +++++
 src/hb-subset.cc        |  2 +-
 4 files changed, 44 insertions(+), 12 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index b3a7b8b8e..4d32359df 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -522,18 +522,25 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
-  inline void populate_groups(hb_prealloced_array_t<hb_codepoint_t> &codepoints,
-                              hb_prealloced_array_t<CmapSubtableLongGroup> *groups) const
+  inline hb_bool_t populate_groups(hb_subset_plan_t *plan,
+                                   hb_prealloced_array_t<CmapSubtableLongGroup> *groups) const
   {
     CmapSubtableLongGroup *group = nullptr;
-    for (unsigned int i = 0; i < codepoints.len; i++) {
-      hb_codepoint_t cp = codepoints[i];
+    for (unsigned int i = 0; i < plan->codepoints.len; i++) {
+
+      hb_codepoint_t cp = plan->codepoints[i];
       if (!group || cp - 1 != group->endCharCode)
       {
         group = groups->push();
         group->startCharCode.set(cp);
         group->endCharCode.set(cp);
-        group->glyphID.set(i);  // index in codepoints is new gid
+        hb_codepoint_t new_gid;
+        if (unlikely(!hb_subset_plan_new_gid_for_codepoint(plan, cp, &new_gid)))
+        {
+          DEBUG_MSG(SUBSET, nullptr, "Unable to find new gid for %04x", cp);
+          return false;
+        }
+        group->glyphID.set(new_gid);
       } else
       {
         group->endCharCode.set(cp);
@@ -545,6 +552,8 @@ struct cmap
       CmapSubtableLongGroup& group = (*groups)[i];
       DEBUG_MSG(SUBSET, nullptr, "  %d: U+%04X-U+%04X, gid %d-%d", i, (uint32_t) group.startCharCode, (uint32_t) group.endCharCode, (uint32_t) group.glyphID, (uint32_t) group.glyphID + ((uint32_t) group.endCharCode - (uint32_t) group.startCharCode));
     }
+
+    return true;
   }
 
   hb_bool_t _subset (hb_prealloced_array_t<CmapSubtableLongGroup> &groups,
@@ -600,7 +609,10 @@ struct cmap
   {
     hb_auto_array_t<CmapSubtableLongGroup> groups;
 
-    populate_groups(plan->codepoints, &groups);
+    if (unlikely(!populate_groups(plan, &groups)))
+    {
+      return nullptr;
+    }
 
     // We now know how big our blob needs to be
     // TODO use APIs from the structs to get size?
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index a06d38ae5..cc12abcae 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -38,6 +38,24 @@ _hb_codepoint_t_cmp (const void *pa, const void *pb)
   return a < b ? -1 : a > b ? +1 : 0;
 }
 
+hb_bool_t
+hb_subset_plan_new_gid_for_codepoint (hb_subset_plan_t *plan,
+                                      hb_codepoint_t codepoint,
+                                      hb_codepoint_t *new_gid)
+{
+  // TODO actual map, delete this garbage.
+  for (unsigned int i = 0; i < plan->codepoints.len; i++)
+  {
+    if (plan->codepoints[i] != codepoint) continue;
+    if (!hb_subset_plan_new_gid_for_old_id(plan, plan->gids_to_retain[i], new_gid))
+    {
+      return false;
+    }
+    return true;
+  }
+  return false;
+}
+
 hb_bool_t
 hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
                                    hb_codepoint_t old_gid,
@@ -46,7 +64,8 @@ hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
   // the index in old_gids is the new gid; only up to codepoints.len are valid
   for (unsigned int i = 0; i < plan->gids_to_retain_sorted.len; i++) {
     if (plan->gids_to_retain_sorted[i] == old_gid) {
-      *new_gid = i;
+      // +1: assign new gids from 1..N; 0 is special
+      *new_gid = i + 1;
       return true;
     }
   }
@@ -109,10 +128,6 @@ _populate_gids_to_retain (hb_face_t *face,
     *(old_gids_sorted.push ()) = 0;
   old_gids_sorted.qsort (_hb_codepoint_t_cmp);
 
-  for (unsigned int i = 0; i < codepoints.len; i++) {
-      DEBUG_MSG(SUBSET, nullptr, " U+%04X, old_gid %d, new_gid %d", codepoints[i], old_gids[i], i);
-  }
-
   // TODO(Q1) expand with glyphs that make up complex glyphs
   // TODO expand with glyphs reached by G*
   //
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 410d9beca..09df7cddf 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -55,6 +55,11 @@ hb_subset_plan_new_gid_for_old_id(hb_subset_plan_t *plan,
                                   hb_codepoint_t old_gid,
                                   hb_codepoint_t *new_gid /* OUT */);
 
+HB_INTERNAL hb_bool_t
+hb_subset_plan_new_gid_for_codepoint(hb_subset_plan_t *plan,
+                                     hb_codepoint_t codepont,
+                                     hb_codepoint_t *new_gid /* OUT */);
+
 HB_INTERNAL void
 hb_subset_plan_destroy (hb_subset_plan_t *plan);
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index d9a4d1258..e91d78000 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -124,7 +124,7 @@ _subset (hb_subset_plan_t *plan, hb_face_t *source)
     hb_blob_destroy (source_blob);
 
     hb_tag_t tag = TableType::tableTag;
-    DEBUG_MSG(SUBSET, nullptr, "Subset %c%c%c%c %s", HB_UNTAG(tag), result ? "success" : "FAILED!");
+    DEBUG_MSG(SUBSET, nullptr, "OT::%c%c%c%c::subset %s", HB_UNTAG(tag), result ? "success" : "FAILED!");
     return result;
 }
 

From afb1da3a1891b7c0fdd047bcb7b3bde86e830444 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 14:37:47 -0800
Subject: [PATCH 1103/1326] auto-completed the wrong gids_to_retain

---
 src/hb-subset-plan.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index cc12abcae..286f7e158 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -62,8 +62,8 @@ hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
                                    hb_codepoint_t *new_gid)
 {
   // the index in old_gids is the new gid; only up to codepoints.len are valid
-  for (unsigned int i = 0; i < plan->gids_to_retain_sorted.len; i++) {
-    if (plan->gids_to_retain_sorted[i] == old_gid) {
+  for (unsigned int i = 0; i < plan->gids_to_retain.len; i++) {
+    if (plan->gids_to_retain[i] == old_gid) {
       // +1: assign new gids from 1..N; 0 is special
       *new_gid = i + 1;
       return true;

From 89ee20f1a39ac78268b57a9aebe8e7428f9944bf Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 16:01:15 -0800
Subject: [PATCH 1104/1326] basic wiring for a (failing) cmap test

---
 test/api/Makefile.am                          |   2 +
 test/api/fonts/README                         |   1 +
 .../Roboto-Regular.abc.cmap-format12-only.ttf | Bin 0 -> 2412 bytes
 .../Roboto-Regular.ac.cmap-format12-only.ttf  | Bin 0 -> 2212 bytes
 test/api/hb-subset-test.h                     |   3 +-
 test/api/test-subset-cmap.c                   |  82 ++++++++++++++++++
 test/api/test-subset-glyf.c                   |   5 +-
 .../in-house/tests/myanmar-syllable.tests     |   1 -
 8 files changed, 87 insertions(+), 7 deletions(-)
 create mode 100644 test/api/fonts/README
 create mode 100644 test/api/fonts/Roboto-Regular.abc.cmap-format12-only.ttf
 create mode 100644 test/api/fonts/Roboto-Regular.ac.cmap-format12-only.ttf
 create mode 100644 test/api/test-subset-cmap.c
 delete mode 100644 test/shaping/data/in-house/tests/myanmar-syllable.tests

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index e36b3fd57..918bfb0e9 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -29,12 +29,14 @@ TEST_PROGS = \
 	test-object \
 	test-set \
 	test-shape \
+	test-subset-cmap \
 	test-subset-glyf \
 	test-unicode \
 	test-version \
 	$(NULL)
 
 test_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
+test_subset_cmap_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_glyf_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 
 test_unicode_CPPFLAGS = \
diff --git a/test/api/fonts/README b/test/api/fonts/README
new file mode 100644
index 000000000..a365afd74
--- /dev/null
+++ b/test/api/fonts/README
@@ -0,0 +1 @@
+cmap-format12-only files created by ttx & remove all other cmap entries
diff --git a/test/api/fonts/Roboto-Regular.abc.cmap-format12-only.ttf b/test/api/fonts/Roboto-Regular.abc.cmap-format12-only.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..46b4801a24a09447a5baa47c2b2fe50257d8639b
GIT binary patch
literal 2412
zcmZuzeQX;=7Jsw5cGe#xYo8ORHci&ud^R=-NopWOC2&sCD$tlDJ=Rg7F?PNnZcO5o
zfG89SC7708X%SNS6hcr6x{iI^C80%%1PI-6aCd+ZK>`VhKL8a0;zQh_+Pt?;8j2We
z-n`$N_ul;8Om-%~0Kkbt0<}BT*#!Ym0pwY<)^&$_`^}cGP9uIA@zL)7?N=Qsy{8Po
z(uz3P+uzun8oQ?$fE`CX6iY;tPy+u05b6-u#dfFEhT}y~0GM>d10%`N#H~LKy@>N+
zj5$3Tolb%bf57|`IBy@FxNRg@{@Ii0zkoi2WAVgnu~owSLOISWW5dySKGgFA#`+Nl
z$IxK=Qg|0}9C6iHA~mZVVT<T5lmEnIEXtmTWz6>yVrwEgn-sjlHuRrEtnP{?hJ|_S
zceuU_@ukVh=~O-em`lEz=95#y$!A9X{}0?8JH~7U+ABeG_FZHCW@kzJ58$O`0AByb
zaS@FlJpZq^U`PIpq?!p@K%fB|#uZKEFo(1Uc0fo{jZB5Pf|Lx41obO1v=RVS4nh@B
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zR6rfvk#*N^bT}{LZiTD=0S=uycQ<-7ZqMe30VD*Ha|HkbK#&#O5(Z^$#=vcj7@jF%
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zWi8D?N&Rf;?WE<zVv?mlU3~a~`SA9a?>j0ue#*Ufc#j#*zV=}5gWOrutM8o1`A@uq
zw=%vB;u$=#_0W@5Dk^dD!bvGeOj)HYBao401~1dqgWxii$Q6aVNS;rS_P3=NNrGe3
z%C>7Y#wp;I3!7s{<&&n}Z|wRw_j79b=-<DUPs)eJ4?cEm-|XP^$K$M)LFJP_&VBTk
z@%!Ie(oX%;_#?xet^g63WI@(++ZS{JUnD#9!6e*>J%zmwhG7(DU;^KlDfBX0{w8`u
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T>v^223{F)Br>b+DewF<fma8j8

literal 0
HcmV?d00001

diff --git a/test/api/fonts/Roboto-Regular.ac.cmap-format12-only.ttf b/test/api/fonts/Roboto-Regular.ac.cmap-format12-only.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..47c9fafa4b72389551c1f53959f32491b50bdaa3
GIT binary patch
literal 2212
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zP>hc%3e767h%w=z#u&wD;O>f09zXg6VpLR2h!GS0<qtF%HKH*ZyPh-C7BJq;J@<U)
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literal 0
HcmV?d00001

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index bc7016f05..2546b5e00 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -85,8 +85,7 @@ hb_subset_test_open_font (const char *font_path)
     hb_blob_destroy (blob);
     return face;
   }
-
-  return NULL;
+  g_assert (false);
 }
 
 static inline hb_face_t *
diff --git a/test/api/test-subset-cmap.c b/test/api/test-subset-cmap.c
new file mode 100644
index 000000000..8775311d0
--- /dev/null
+++ b/test/api/test-subset-cmap.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Roderick Sheeter
+ */
+
+#include <stdbool.h>
+
+#include "hb-test.h"
+#include "hb-subset-test.h"
+
+/* Unit tests for cmap subsetting */
+
+static void
+test_subset_cmap (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");  
+  hb_face_t *face_ac = hb_subset_test_open_font("fonts/Roboto-Regular.ac.cmap-format12-only.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 97);
+  hb_set_add (codepoints, 99);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('c','m','a','p'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_ac);
+}
+
+static void
+test_subset_cmap_noop (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.cmap-format12-only.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 97);
+  hb_set_add (codepoints, 98);
+  hb_set_add (codepoints, 99);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('c','m','a','p'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+}
+
+// TODO(rsheeter) test cmap to no codepoints
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_subset_cmap);
+  hb_test_add (test_subset_cmap_noop);
+
+  return hb_test_run();
+}
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 98e12339a..8db053c7e 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -34,10 +34,8 @@
 static void
 test_subset_glyf (void)
 {
-  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
-  g_assert (face_abc);
+  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");  
   hb_face_t *face_ac = hb_subset_test_open_font("fonts/Roboto-Regular.ac.ttf");
-  g_assert (face_ac);
 
   hb_set_t *codepoints = hb_set_create();
   hb_set_add (codepoints, 97);
@@ -57,7 +55,6 @@ static void
 test_subset_glyf_noop (void)
 {
   hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
-  g_assert (face_abc);
 
   hb_set_t *codepoints = hb_set_create();
   hb_set_add (codepoints, 97);
diff --git a/test/shaping/data/in-house/tests/myanmar-syllable.tests b/test/shaping/data/in-house/tests/myanmar-syllable.tests
deleted file mode 100644
index 4666ef99d..000000000
--- a/test/shaping/data/in-house/tests/myanmar-syllable.tests
+++ /dev/null
@@ -1 +0,0 @@
-../fonts/af3086380b743099c54a3b11b96766039ea62fcd.ttf:--no-glyph-names:U+101D,U+FE00,U+1031,U+FE00,U+1031,U+FE00:[6=0+465|6=0+465|5=0+502]

From d1a4d5616f792c6ad84bcc5011040167ddd7cc3f Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 12 Feb 2018 16:25:32 -0800
Subject: [PATCH 1105/1326] output format 12 as enc 10 to match how Roboto did
 it

---
 src/hb-ot-cmap-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 4d32359df..5ac970612 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -577,7 +577,7 @@ struct cmap
 
     EncodingRecord &rec = cmap->encodingRecord[0];
     rec.platformID.set (3); // Windows
-    rec.encodingID.set (1); // Unicode BMP
+    rec.encodingID.set (10); // Unicode UCS-4
 
     /* capture offset to subtable */
     CmapSubtable &subtable = rec.subtable.serialize(&context, cmap);

From 8cf8b78faaf3e7ee261bdc44a1ad5a1973eab1a2 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 16:30:21 -0800
Subject: [PATCH 1106/1326] [subset] whitespace

---
 test/api/test-subset-cmap.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/api/test-subset-cmap.c b/test/api/test-subset-cmap.c
index 8775311d0..8798475f2 100644
--- a/test/api/test-subset-cmap.c
+++ b/test/api/test-subset-cmap.c
@@ -34,10 +34,10 @@
 static void
 test_subset_cmap (void)
 {
-  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");  
-  hb_face_t *face_ac = hb_subset_test_open_font("fonts/Roboto-Regular.ac.cmap-format12-only.ttf");
+  hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Roboto-Regular.abc.ttf");
+  hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.cmap-format12-only.ttf");
 
-  hb_set_t *codepoints = hb_set_create();
+  hb_set_t *codepoints = hb_set_create ();
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 99);
   hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);

From 4af3c5e25822cc5a401837da547c75a17b7f7b48 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 12 Feb 2018 23:21:24 +0330
Subject: [PATCH 1107/1326] Move linker specifying to a better place

---
 src/Makefile.am | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 7b7ccdef1..e7731e845 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -126,25 +126,22 @@ export_symbols_icu = -export-symbols harfbuzz-icu.def
 harfbuzz_icu_def_dependency = harfbuzz-icu.def
 export_symbols_subset = -export-symbols harfbuzz-subset.def
 harfbuzz_subset_def_dependency = harfbuzz-subset.def
-choosed_linker = $(CXXLINK)
+chosen_linker = $(CXXLINK)
 else
 if WITH_LIBSTDCXX
-choosed_linker = $(CXXLINK)
+chosen_linker = $(CXXLINK)
 else
 if HAVE_GCC
 # Use a C linker for GCC, not C++; Don't link to libstdc++
-choosed_linker = $(LINK)
+chosen_linker = $(LINK)
 else
-choosed_linker = $(CXXLINK)
+chosen_linker = $(CXXLINK)
 endif
 endif
 endif
 
-libharfbuzz_la_LINK = $(choosed_linker) $(libharfbuzz_la_LDFLAGS)
-libharfbuzz_icu_la_LINK = $(choosed_linker) $(libharfbuzz_icu_la_LDFLAGS)
-libharfbuzz_subset_la_LINK = $(choosed_linker) $(libharfbuzz_subset_la_LDFLAGS)
-
 base_link_flags = $(AM_LDFLAGS) -lm -version-info $(HB_LIBTOOL_VERSION_INFO) -no-undefined
+libharfbuzz_la_LINK = $(chosen_linker) $(libharfbuzz_la_LDFLAGS)
 libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS) $(HBNODISTHEADERS)
 libharfbuzz_la_CPPFLAGS = $(HBCFLAGS)
 libharfbuzz_la_LDFLAGS = $(base_link_flags) $(export_symbols)
@@ -157,6 +154,7 @@ pkgconfig_DATA = harfbuzz.pc
 EXTRA_DIST += harfbuzz.pc.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
+libharfbuzz_subset_la_LINK = $(chosen_linker) $(libharfbuzz_subset_la_LDFLAGS)
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
 libharfbuzz_subset_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS)
 libharfbuzz_subset_la_LDFLAGS = $(base_link_flags) $(export_symbols_subset)
@@ -194,6 +192,7 @@ HBSOURCES += $(HB_ICU_sources)
 HBHEADERS += $(HB_ICU_headers)
 else
 lib_LTLIBRARIES += libharfbuzz-icu.la
+libharfbuzz_icu_la_LINK = $(chosen_linker) $(libharfbuzz_icu_la_LDFLAGS)
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
 libharfbuzz_icu_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(ICU_CFLAGS)
 libharfbuzz_icu_la_LDFLAGS = $(base_link_flags) $(export_symbols_icu)

From 42040a273facc696d9a54fc4d89857665e87e3d1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 12 Feb 2018 18:41:36 -0800
Subject: [PATCH 1108/1326] Allow libharfbuzz-subset to link to libstdc++

We want to use it instead of reinventing hashmap...

Also, don't change linker for ICU since libicu also uses libstdc++.
---
 src/Makefile.am        | 2 --
 src/check-libstdc++.sh | 3 ++-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index e7731e845..6f56c7586 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -154,7 +154,6 @@ pkgconfig_DATA = harfbuzz.pc
 EXTRA_DIST += harfbuzz.pc.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
-libharfbuzz_subset_la_LINK = $(chosen_linker) $(libharfbuzz_subset_la_LDFLAGS)
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
 libharfbuzz_subset_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS)
 libharfbuzz_subset_la_LDFLAGS = $(base_link_flags) $(export_symbols_subset)
@@ -192,7 +191,6 @@ HBSOURCES += $(HB_ICU_sources)
 HBHEADERS += $(HB_ICU_headers)
 else
 lib_LTLIBRARIES += libharfbuzz-icu.la
-libharfbuzz_icu_la_LINK = $(chosen_linker) $(libharfbuzz_icu_la_LDFLAGS)
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
 libharfbuzz_icu_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(ICU_CFLAGS)
 libharfbuzz_icu_la_LDFLAGS = $(base_link_flags) $(export_symbols_icu)
diff --git a/src/check-libstdc++.sh b/src/check-libstdc++.sh
index a7b4c495f..ce0bdab75 100755
--- a/src/check-libstdc++.sh
+++ b/src/check-libstdc++.sh
@@ -22,7 +22,8 @@ fi
 
 tested=false
 # harfbuzz-icu links to libstdc++ because icu does.
-for soname in harfbuzz harfbuzz-subset harfbuzz-gobject; do
+# harfbuzz-subset uses libstdc++.
+for soname in harfbuzz harfbuzz-gobject; do
 	for suffix in so dylib; do
 		so=$libs/lib$soname.$suffix
 		if ! test -f "$so"; then continue; fi

From 3d66f441cc4d4feb2fd4b03be9f764c91f4de8b2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 12 Feb 2018 18:43:42 -0800
Subject: [PATCH 1109/1326] [subset] Remove unreachable code

sanitizer.sanitize never return nullptr.
---
 src/hb-subset.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 946006173..3b022dd44 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -112,10 +112,6 @@ _subset (hb_subset_plan_t *plan, hb_face_t *source)
 {
     OT::Sanitizer<TableType> sanitizer;
     hb_blob_t *source_blob = sanitizer.sanitize (source->reference_table (TableType::tableTag));
-    if (unlikely(!source_blob)) {
-      DEBUG_MSG(SUBSET, nullptr, "Failed to reference table for tag %d", TableType::tableTag);
-      return nullptr;
-    }
     const TableType *table = OT::Sanitizer<TableType>::lock_instance (source_blob);
     hb_blob_t *result = table->subset(plan, source);
 

From 96f1f52ea3a42b27f59aecffe65c918295e53b3b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 12 Feb 2018 18:48:51 -0800
Subject: [PATCH 1110/1326] Use hb_face_get_upem() instead of face->get_upem()

Such that hmtx accelerator can be used from libharfbuzz-subset.
---
 src/hb-ot-cbdt-table.hh | 2 +-
 src/hb-ot-hmtx-table.hh | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-cbdt-table.hh b/src/hb-ot-cbdt-table.hh
index 6c2b9a88e..e4519529b 100644
--- a/src/hb-ot-cbdt-table.hh
+++ b/src/hb-ot-cbdt-table.hh
@@ -377,7 +377,7 @@ struct CBDT
   {
     inline void init (hb_face_t *face)
     {
-      upem = face->get_upem();
+      upem = hb_face_get_upem (face);
 
       cblc_blob = Sanitizer<CBLC>().sanitize (face->reference_table (HB_OT_TAG_CBLC));
       cbdt_blob = Sanitizer<CBDT>().sanitize (face->reference_table (HB_OT_TAG_CBDT));
diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index eed489026..b4ba2490c 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -69,7 +69,7 @@ struct hmtxvmtx
     inline void init (hb_face_t *face,
 		      unsigned int default_advance_ = 0)
     {
-      default_advance = default_advance_ ? default_advance_ : face->get_upem ();
+      default_advance = default_advance_ ? default_advance_ : hb_face_get_upem (face);
 
       bool got_font_extents = false;
       if (T::os2Tag)

From 97a2f0320056b591d7a747022869fe9cd8ecc6e1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 12 Feb 2018 18:51:10 -0800
Subject: [PATCH 1111/1326] [subset] Allocate bulk memory with malloc(), not
 calloc()

We use calloc() to allocate simple structs and set them to zero.
For bulk memory, use malloc() that doesn't zero.
---
 src/hb-subset-glyf.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 952946786..0a06313e3 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -132,8 +132,8 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
     return false;
   }
 
-  char *glyf_prime_data = (char *) calloc (glyf_prime_size, 1);
-  char *loca_prime_data = (char *) calloc (loca_prime_size, 1);
+  char *glyf_prime_data = (char *) malloc (glyf_prime_size);
+  char *loca_prime_data = (char *) malloc (loca_prime_size);
   if (unlikely (!_write_glyf_and_loca_prime (glyf, glyf_data, glyphs_to_retain,
                                              *use_short_loca,
                                              glyf_prime_size, glyf_prime_data,

From b969a82e30f0ff7bf6b2ea2600ef170764774a8c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 12 Feb 2018 20:51:26 -0800
Subject: [PATCH 1112/1326] Pass no-libstdc++ flags only to libraries
 suppressing it

---
 src/Makefile.am | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 6f56c7586..49d6640f5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -30,12 +30,12 @@ HBSOURCES += $(HB_BASE_RAGEL_GENERATED_sources)
 HBHEADERS = $(HB_BASE_headers)
 HBNODISTHEADERS = $(HB_NODIST_headers)
 
-if !WITH_LIBSTDCXX
+if WITH_LIBSTDCXX
+HBNOLIBCXXCFLAGS =
+else
 # Make sure we don't link to libstdc++
-HBCFLAGS += -fno-rtti -fno-exceptions
-
-# No threadsafe statics and C++ as we do it ourselves
-HBCFLAGS += -fno-threadsafe-statics
+# No threadsafe statics in C++ as we do it ourselves
+HBNOLIBCXXFLAGS = -fno-rtti -fno-exceptions -fno-threadsafe-statics
 endif
 
 if HAVE_OT
@@ -143,7 +143,7 @@ endif
 base_link_flags = $(AM_LDFLAGS) -lm -version-info $(HB_LIBTOOL_VERSION_INFO) -no-undefined
 libharfbuzz_la_LINK = $(chosen_linker) $(libharfbuzz_la_LDFLAGS)
 libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS) $(HBNODISTHEADERS)
-libharfbuzz_la_CPPFLAGS = $(HBCFLAGS)
+libharfbuzz_la_CPPFLAGS = $(HBCFLAGS) $(HBNOLIBCXXFLAGS)
 libharfbuzz_la_LDFLAGS = $(base_link_flags) $(export_symbols)
 libharfbuzz_la_LIBADD = $(HBLIBS)
 EXTRA_libharfbuzz_la_DEPENDENCIES = $(harfbuzz_def_dependency)
@@ -155,7 +155,7 @@ EXTRA_DIST += harfbuzz.pc.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
-libharfbuzz_subset_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS)
+libharfbuzz_subset_la_CPPFLAGS = $(HBCFLAGS)
 libharfbuzz_subset_la_LDFLAGS = $(base_link_flags) $(export_symbols_subset)
 libharfbuzz_subset_la_LIBADD = libharfbuzz.la
 EXTRA_libharfbuzz_subset_la_DEPENDENCIES = $(harfbuzz_subset_def_dependency)
@@ -177,7 +177,7 @@ FUZZING_CPPFLAGS = \
 EXTRA_LTLIBRARIES = libharfbuzz-fuzzing.la
 libharfbuzz_fuzzing_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_fuzzing_la_SOURCES = $(libharfbuzz_la_SOURCES)
-libharfbuzz_fuzzing_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(FUZZING_CPPFLAGS)
+libharfbuzz_fuzzing_la_CPPFLAGS = $(HBCFLAGS) $(FUZZING_CPPFLAGS)
 libharfbuzz_fuzzing_la_LDFLAGS = $(AM_LDFLAGS)
 libharfbuzz_fuzzing_la_LIBADD = $(libharfbuzz_la_LIBADD)
 EXTRA_libharfbuzz_fuzzing_la_DEPENDENCIES = $(EXTRA_libharfbuzz_la_DEPENDENCIES)
@@ -192,7 +192,7 @@ HBHEADERS += $(HB_ICU_headers)
 else
 lib_LTLIBRARIES += libharfbuzz-icu.la
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
-libharfbuzz_icu_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(ICU_CFLAGS)
+libharfbuzz_icu_la_CPPFLAGS = $(HBCFLAGS) $(ICU_CFLAGS)
 libharfbuzz_icu_la_LDFLAGS = $(base_link_flags) $(export_symbols_icu)
 libharfbuzz_icu_la_LIBADD = $(ICU_LIBS) libharfbuzz.la
 EXTRA_libharfbuzz_icu_la_DEPENDENCIES = $(harfbuzz_icu_def_dependency)
@@ -207,7 +207,7 @@ lib_LTLIBRARIES += libharfbuzz-gobject.la
 libharfbuzz_gobject_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_sources)
 nodist_libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_ENUM_sources)
-libharfbuzz_gobject_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(GOBJECT_CFLAGS)
+libharfbuzz_gobject_la_CPPFLAGS = $(HBCFLAGS) $(HBNOLIBCXXFLAGS) $(GOBJECT_CFLAGS)
 libharfbuzz_gobject_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
 libharfbuzz_gobject_la_LIBADD = $(GOBJECT_LIBS) libharfbuzz.la
 pkginclude_HEADERS += $(HB_GOBJECT_headers)

From 7caddb51b1e69a2803f86756e2ce2acff685c7d0 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 13 Feb 2018 15:12:43 +0330
Subject: [PATCH 1113/1326] Specify the project name for coverity, trying to
 fix #785

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index e2de5038d..fa9e5bc60 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ env:
     - NOCONFIGURE=1
     # COVERITY_SCAN_TOKEN
     - secure: "MRJtVu/fQoWNwMAamvIJBCX/1SMvEuEUk/ljAif/y2/3syyWgxFGp17UGnDILdoZYyCqTM+jQciY2P0nVqbjjOAUlML4QOAalqw8kPp8iTsnHUe+KOMVrOVP6p6qAQxk1im1O41cCMkmVKvk+NXe/on5euz6LGF2laHZaOAMoes="
+    - PROJECT_NAME="behdad/harfbuzz" # the project name on coverity
 
 matrix:
   include:

From 28e63a1287fd38a98eed6725c2f4d0820066b0d8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 13:39:50 -0800
Subject: [PATCH 1114/1326] Disable threadsafe static's for all libraries

Even in libharfbuzz-subset, we still will handle our own threadsafety
for statics.
---
 src/Makefile.am | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 49d6640f5..c4f1069ac 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -35,7 +35,8 @@ HBNOLIBCXXCFLAGS =
 else
 # Make sure we don't link to libstdc++
 # No threadsafe statics in C++ as we do it ourselves
-HBNOLIBCXXFLAGS = -fno-rtti -fno-exceptions -fno-threadsafe-statics
+HBNOLIBCXXFLAGS = -fno-rtti -fno-exceptions
+HBCFLAGS += -fno-threadsafe-statics
 endif
 
 if HAVE_OT

From d5b33f2fe1603e894e21f45afb4c00c8d670fb5c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 13:50:50 -0800
Subject: [PATCH 1115/1326] [subset] hb_subset_input_t changes

---
 src/Makefile.sources        |   1 +
 src/hb-face.h               |   1 -
 src/hb-set.cc               |  14 ++---
 src/hb-subset-input.cc      | 109 ++++++++++++++++++++++++++++++++++++
 src/hb-subset-plan.cc       |   2 +-
 src/hb-subset-private.hh    |  11 +++-
 src/hb-subset.cc            |  40 +------------
 src/hb-subset.h             |  12 +++-
 test/api/test-subset-glyf.c |   4 +-
 test/api/test-subset.c      |   2 +-
 util/hb-subset.cc           |  20 +++----
 11 files changed, 153 insertions(+), 63 deletions(-)
 create mode 100644 src/hb-subset-input.cc

diff --git a/src/Makefile.sources b/src/Makefile.sources
index f2821e3de..f412a65d2 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -185,6 +185,7 @@ HB_ICU_headers = hb-icu.h
 HB_SUBSET_sources = \
 	hb-subset.cc \
 	hb-subset-glyf.cc \
+	hb-subset-input.cc \
 	hb-subset-plan.cc \
 	$(NULL)
 
diff --git a/src/hb-face.h b/src/hb-face.h
index 9842d52b6..0ce8d0462 100644
--- a/src/hb-face.h
+++ b/src/hb-face.h
@@ -71,7 +71,6 @@ hb_face_set_user_data (hb_face_t          *face,
 		       hb_destroy_func_t   destroy,
 		       hb_bool_t           replace);
 
-
 HB_EXTERN void *
 hb_face_get_user_data (hb_face_t          *face,
 		       hb_user_data_key_t *key);
diff --git a/src/hb-set.cc b/src/hb-set.cc
index 0b4f871e8..f3b864c12 100644
--- a/src/hb-set.cc
+++ b/src/hb-set.cc
@@ -50,6 +50,13 @@ hb_set_create (void)
   return set;
 }
 
+static const hb_set_t _hb_set_nil = {
+  HB_OBJECT_HEADER_STATIC,
+  true, /* in_error */
+
+  {0} /* elts */
+};
+
 /**
  * hb_set_get_empty:
  *
@@ -60,13 +67,6 @@ hb_set_create (void)
 hb_set_t *
 hb_set_get_empty (void)
 {
-  static const hb_set_t _hb_set_nil = {
-    HB_OBJECT_HEADER_STATIC,
-    true, /* in_error */
-
-    {0} /* elts */
-  };
-
   return const_cast<hb_set_t *> (&_hb_set_nil);
 }
 
diff --git a/src/hb-subset-input.cc b/src/hb-subset-input.cc
new file mode 100644
index 000000000..75c016843
--- /dev/null
+++ b/src/hb-subset-input.cc
@@ -0,0 +1,109 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger, Rod Sheeter, Behdad Esfahbod
+ */
+
+#include "hb-object-private.hh"
+#include "hb-subset-private.hh"
+#include "hb-set-private.hh"
+
+/**
+ * hb_subset_input_create:
+ *
+ * Return value: New subset input.
+ *
+ * Since: 1.8.0
+ **/
+hb_subset_input_t *
+hb_subset_input_create (void)
+{
+  hb_subset_input_t *input = hb_object_create<hb_subset_input_t>();
+
+  /* Unlike libharfbuzz, in this lib we return nullptr
+   * in case of allocation failure. */
+  if (unlikely (!input))
+    return nullptr;
+
+  input->unicodes = hb_set_create ();
+  input->glyphs = hb_set_create ();
+
+  return input;
+}
+
+/**
+ * hb_subset_input_reference: (skip)
+ * @subset_input: a subset_input.
+ *
+ * 
+ *
+ * Return value: 
+ *
+ * Since: 1.8.0
+ **/
+hb_subset_input_t *
+hb_subset_input_reference (hb_subset_input_t *subset_input)
+{
+  return hb_object_reference (subset_input);
+}
+
+/**
+ * hb_subset_input_destroy:
+ * @subset_input: a subset_input.
+ *
+ * Since: 1.8.0
+ **/
+void
+hb_subset_input_destroy(hb_subset_input_t *subset_input)
+{
+  if (!hb_object_destroy (subset_input)) return;
+
+  hb_set_destroy (subset_input->unicodes);
+  hb_set_destroy (subset_input->glyphs);
+
+  free (subset_input);
+}
+
+/**
+ * hb_subset_input_unicode_set:
+ * @subset_input: a subset_input.
+ *
+ * Since: 1.8.0
+ **/
+HB_EXTERN hb_set_t *
+hb_subset_input_unicode_set (hb_subset_input_t *subset_input)
+{
+  return subset_input->unicodes;
+}
+
+/**
+ * hb_subset_input_glyph_set:
+ * @subset_input: a subset_input.
+ *
+ * Since: 1.8.0
+ **/
+HB_EXTERN hb_set_t *
+hb_subset_input_glyph_set (hb_subset_input_t *subset_input)
+{
+  return subset_input->glyphs;
+}
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index a06d38ae5..c9d39c5b0 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -140,7 +140,7 @@ hb_subset_plan_create (hb_face_t           *face,
   plan->gids_to_retain.init();
   plan->gids_to_retain_sorted.init();
 
-  _populate_codepoints (input->codepoints, plan->codepoints);
+  _populate_codepoints (input->unicodes, plan->codepoints);
   _populate_gids_to_retain (face,
                             plan->codepoints,
                             plan->gids_to_retain,
diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index 9689da808..4ef1b9540 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -38,7 +38,16 @@ struct hb_subset_input_t {
   hb_object_header_t header;
   ASSERT_POD ();
 
-  hb_set_t *codepoints;
+  hb_set_t *unicodes;
+  hb_set_t *glyphs;
+
+  /* TODO
+   *
+   * features
+   * lookups
+   * nameIDs
+   * ...
+   */
 };
 
 #endif /* HB_SUBSET_PRIVATE_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 3b022dd44..09ae19fbf 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -21,14 +21,12 @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
- * Google Author(s): Garret Rieger, Rod Sheeter
+ * Google Author(s): Garret Rieger, Rod Sheeter, Behdad Esfahbod
  */
 
 #include "hb-object-private.hh"
 #include "hb-open-type-private.hh"
 
-#include "hb-private.hh"
-
 #include "hb-subset-glyf.hh"
 #include "hb-subset-private.hh"
 #include "hb-subset-plan.hh"
@@ -53,7 +51,7 @@ struct hb_subset_profile_t {
  *
  * Return value: New profile with default settings.
  *
- * Since: 1.7.5
+ * Since: 1.8.0
  **/
 hb_subset_profile_t *
 hb_subset_profile_create ()
@@ -64,7 +62,7 @@ hb_subset_profile_create ()
 /**
  * hb_subset_profile_destroy:
  *
- * Since: 1.7.5
+ * Since: 1.8.0
  **/
 void
 hb_subset_profile_destroy (hb_subset_profile_t *profile)
@@ -74,38 +72,6 @@ hb_subset_profile_destroy (hb_subset_profile_t *profile)
   free (profile);
 }
 
-/**
- * hb_subset_input_create:
- *
- * Return value: New subset input.
- *
- * Since: 1.7.5
- **/
-hb_subset_input_t *
-hb_subset_input_create (hb_set_t *codepoints)
-{
-  if (unlikely (!codepoints))
-    codepoints = hb_set_get_empty();
-
-  hb_subset_input_t *input = hb_object_create<hb_subset_input_t>();
-  input->codepoints = hb_set_reference(codepoints);
-  return input;
-}
-
-/**
- * hb_subset_input_destroy:
- *
- * Since: 1.7.5
- **/
-void
-hb_subset_input_destroy(hb_subset_input_t *subset_input)
-{
-  if (!hb_object_destroy (subset_input)) return;
-
-  hb_set_destroy (subset_input->codepoints);
-  free (subset_input);
-}
-
 template<typename TableType>
 static hb_blob_t *
 _subset (hb_subset_plan_t *plan, hb_face_t *source)
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 3eb41de84..81e11fe65 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -47,17 +47,27 @@ hb_subset_profile_destroy (hb_subset_profile_t *profile);
 
 /*
  * hb_subset_input_t
+ *
  * Things that change based on the input. Characters to keep, etc.
  */
 
 typedef struct hb_subset_input_t hb_subset_input_t;
 
 HB_EXTERN hb_subset_input_t *
-hb_subset_input_create (hb_set_t *codepoints);
+hb_subset_input_create (void);
+
+HB_EXTERN hb_subset_input_t *
+hb_subset_input_reference (hb_subset_input_t *subset_input);
 
 HB_EXTERN void
 hb_subset_input_destroy (hb_subset_input_t *subset_input);
 
+HB_EXTERN hb_set_t *
+hb_subset_input_unicode_set (hb_subset_input_t *subset_input);
+
+HB_EXTERN hb_set_t *
+hb_subset_input_glyph_set (hb_subset_input_t *subset_input);
+
 
 /* hb_subset() */
 
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index fa41800b0..014f24338 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -94,9 +94,9 @@ test_subset_glyf (void)
   hb_face_t *face_abc_subset;
   hb_blob_t *glyf_expected_blob;
   hb_blob_t *glyf_actual_blob;
-  hb_set_t *codepoints = hb_set_create();
   hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create (codepoints);
+  hb_subset_input_t *input = hb_subset_input_create ();
+  hb_set_t *codepoints = hb_set_reference (hb_subset_input_unicode_set (input));
 
   g_assert (face_abc);
   g_assert (face_ac);
diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index 4184a563f..44eba1581 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -43,7 +43,7 @@ test_subset (void)
   hb_face_t *face = hb_face_create(font_blob, 0);
 
   hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create (hb_set_get_empty ());
+  hb_subset_input_t *input = hb_subset_input_create ();
 
   hb_face_t *out_face = hb_subset(face, profile, input);
   g_assert(out_face);
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index a3505a814..16abd14d5 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -37,13 +37,13 @@
 struct subset_consumer_t
 {
   subset_consumer_t (option_parser_t *parser)
-      : failed (false), options (parser), font (nullptr), codepoints (nullptr) {}
+      : failed (false), options (parser), font (nullptr), input (nullptr) {}
 
   void init (hb_buffer_t  *buffer_,
              const font_options_t *font_opts)
   {
     font = hb_font_reference (font_opts->get_font ());
-    codepoints = hb_set_create();
+    input = hb_subset_input_create ();
   }
 
   void consume_line (const char   *text,
@@ -51,14 +51,13 @@ struct subset_consumer_t
                      const char   *text_before,
                      const char   *text_after)
   {
-    // text appears to be a g_string when set by --unicodes
-    // TODO(Q1) are gunichar and hbcodepoint_t interchangeable?
     // TODO(Q1) does this only get called with at least 1 codepoint?
+    hb_set_t *codepoints = hb_subset_input_unicode_set (input);
     gchar *c = (gchar *)text;
     do {
       gunichar cp = g_utf8_get_char(c);
-      hb_codepoint_t hb_cp = cp; // TODO(Q1) is this safe?
-      hb_set_add(codepoints, hb_cp);
+      hb_codepoint_t hb_cp = cp;
+      hb_set_add (codepoints, hb_cp);
     } while ((c = g_utf8_find_next_char(c, text + text_len)) != nullptr);
   }
 
@@ -90,12 +89,10 @@ struct subset_consumer_t
 
   void finish (const font_options_t *font_opts)
   {
-    // TODO(Q1) check for errors from creates and such
     hb_subset_profile_t *subset_profile = hb_subset_profile_create();
-    hb_subset_input_t *subset_input = hb_subset_input_create (codepoints);
     hb_face_t *face = hb_font_get_face (font);
 
-    hb_face_t *new_face = hb_subset(face, subset_profile, subset_input);
+    hb_face_t *new_face = hb_subset(face, subset_profile, input);
     hb_blob_t *result = hb_face_reference_blob (new_face);
 
     failed = !hb_blob_get_length (result);
@@ -103,8 +100,7 @@ struct subset_consumer_t
       write_file (options.output_file, result);
 
     hb_subset_profile_destroy (subset_profile);
-    hb_subset_input_destroy (subset_input);
-    hb_set_destroy (codepoints);
+    hb_subset_input_destroy (input);
     hb_blob_destroy (result);
     hb_face_destroy (new_face);
     hb_font_destroy (font);
@@ -116,7 +112,7 @@ struct subset_consumer_t
   private:
   output_options_t options;
   hb_font_t *font;
-  hb_set_t *codepoints;
+  hb_subset_input_t *input;
 };
 
 int

From 2dbfeecf96c6993d42594f43133d945d67ddbdbc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 13:59:39 -0800
Subject: [PATCH 1116/1326] Minor

---
 src/hb-aat-layout-morx-table.hh | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 2bb808913..6bd0267c0 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -40,6 +40,8 @@ using namespace OT;
 
 struct RearrangementSubtable
 {
+  typedef void EntryData;
+
   struct driver_context_t
   {
     static const bool in_place = true;
@@ -60,13 +62,13 @@ struct RearrangementSubtable
 	ret (false),
 	start (0), end (0) {}
 
-    inline bool is_actionable (StateTableDriver<void> *driver,
-			       const Entry<void> *entry)
+    inline bool is_actionable (StateTableDriver<EntryData> *driver,
+			       const Entry<EntryData> *entry)
     {
       return (entry->flags & Verb) && start < end;
     }
-    inline bool transition (StateTableDriver<void> *driver,
-			    const Entry<void> *entry)
+    inline bool transition (StateTableDriver<EntryData> *driver,
+			    const Entry<EntryData> *entry)
     {
       hb_buffer_t *buffer = driver->buffer;
       unsigned int flags = entry->flags;

From c7d7c9898e22905888dc4304f6d8e79b55654174 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 14:00:14 -0800
Subject: [PATCH 1117/1326] [aat] Minor

---
 src/hb-aat-layout-morx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index 6bd0267c0..4cc282421 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -171,7 +171,7 @@ struct RearrangementSubtable
   }
 
   protected:
-  StateTable<void>	machine;
+  StateTable<EntryData>	machine;
   public:
   DEFINE_SIZE_STATIC (16);
 };

From aeed082e282b97e40c2e8590bdd8818affc7de6c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 14:02:59 -0800
Subject: [PATCH 1118/1326] Another tweak at libstdc++ things
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

To fix this warning:

cc1: warning: command line option ‘-fno-threadsafe-statics’ is valid for C++/ObjC++ but not for C
---
 src/Makefile.am | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index c4f1069ac..ee8e1d561 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -36,7 +36,7 @@ else
 # Make sure we don't link to libstdc++
 # No threadsafe statics in C++ as we do it ourselves
 HBNOLIBCXXFLAGS = -fno-rtti -fno-exceptions
-HBCFLAGS += -fno-threadsafe-statics
+HBLIBCXXFLAGS = -fno-threadsafe-statics
 endif
 
 if HAVE_OT
@@ -178,7 +178,7 @@ FUZZING_CPPFLAGS = \
 EXTRA_LTLIBRARIES = libharfbuzz-fuzzing.la
 libharfbuzz_fuzzing_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_fuzzing_la_SOURCES = $(libharfbuzz_la_SOURCES)
-libharfbuzz_fuzzing_la_CPPFLAGS = $(HBCFLAGS) $(FUZZING_CPPFLAGS)
+libharfbuzz_fuzzing_la_CPPFLAGS = $(HBCFLAGS) $(HBLIBCXXFLAGS) $(FUZZING_CPPFLAGS)
 libharfbuzz_fuzzing_la_LDFLAGS = $(AM_LDFLAGS)
 libharfbuzz_fuzzing_la_LIBADD = $(libharfbuzz_la_LIBADD)
 EXTRA_libharfbuzz_fuzzing_la_DEPENDENCIES = $(EXTRA_libharfbuzz_la_DEPENDENCIES)
@@ -193,7 +193,7 @@ HBHEADERS += $(HB_ICU_headers)
 else
 lib_LTLIBRARIES += libharfbuzz-icu.la
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
-libharfbuzz_icu_la_CPPFLAGS = $(HBCFLAGS) $(ICU_CFLAGS)
+libharfbuzz_icu_la_CPPFLAGS = $(HBCFLAGS) $(HBLIBCXXFLAGS) $(ICU_CFLAGS)
 libharfbuzz_icu_la_LDFLAGS = $(base_link_flags) $(export_symbols_icu)
 libharfbuzz_icu_la_LIBADD = $(ICU_LIBS) libharfbuzz.la
 EXTRA_libharfbuzz_icu_la_DEPENDENCIES = $(harfbuzz_icu_def_dependency)

From fd0bde6325a7dfe3ba54b683646ca0693c414446 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 16:35:30 -0800
Subject: [PATCH 1119/1326] [subset] Fix loca offsets

Was writing source font's offsets. Ouch.
---
 src/hb-subset-glyf.cc | 30 +++++++++++-------------------
 1 file changed, 11 insertions(+), 19 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 0a06313e3..6dc8199b2 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -38,14 +38,12 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
 {
   unsigned int total = 0;
   unsigned int count = 0;
-  for (unsigned int i = 0; i < glyph_ids.len; i++) {
+  for (unsigned int i = 0; i < glyph_ids.len; i++)
+  {
     hb_codepoint_t next_glyph = glyph_ids[i];
     unsigned int start_offset, end_offset;
-    if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
-      *glyf_size = 0;
-      *loca_size = sizeof(OT::HBUINT32);
-      return false;
-    }
+    if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset)))
+      end_offset = start_offset = 0;
 
     total += end_offset - start_offset;
     count++;
@@ -84,27 +82,21 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 {
   char *glyf_prime_data_next = glyf_prime_data;
 
-  hb_codepoint_t new_glyph_id = 0;
-
-  unsigned int end_offset = 0;
-  for (unsigned int i = 0; i < glyph_ids.len; i++) {
-    unsigned int start_offset;
-    if (unlikely (!glyf.get_offsets (glyph_ids[i], &start_offset, &end_offset))) {
-      return false;
-    }
+  for (unsigned int i = 0; i < glyph_ids.len; i++)
+  {
+    unsigned int start_offset, end_offset;
+    if (unlikely (!glyf.get_offsets (glyph_ids[i], &start_offset, &end_offset)))
+      end_offset = start_offset = 0;
 
     int length = end_offset - start_offset;
     memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
 
-    _write_loca_entry (i, start_offset, use_short_loca, loca_prime_data);
+    _write_loca_entry (i, glyf_prime_data_next - glyf_prime_data, use_short_loca, loca_prime_data);
 
     glyf_prime_data_next += length;
-    new_glyph_id++;
   }
 
-  // Add the last loca entry which doesn't correspond to a specific glyph
-  // but identifies the end of the last glyphs data.
-  _write_loca_entry (new_glyph_id, end_offset, use_short_loca, loca_prime_data);
+  _write_loca_entry (glyph_ids.len, glyf_prime_data_next - glyf_prime_data, use_short_loca, loca_prime_data);
 
   return true;
 }

From 397ed53e55b9450742867a43d164b498ec735f50 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 18:54:26 -0800
Subject: [PATCH 1120/1326] [indic] Add print-indic-table

---
 src/Makefile.am                          |  14 +-
 src/hb-ot-shape-complex-indic-private.hh | 185 ++++++++++++++++++++++
 src/hb-ot-shape-complex-indic.cc         | 187 -----------------------
 src/print-indic-table.cc                 |  43 ++++++
 4 files changed, 239 insertions(+), 190 deletions(-)
 create mode 100644 src/print-indic-table.cc

diff --git a/src/Makefile.am b/src/Makefile.am
index ee8e1d561..7616ac6e1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -9,6 +9,8 @@ CLEANFILES =
 DISTCLEANFILES =
 MAINTAINERCLEANFILES =
 DISTCHECK_CONFIGURE_FLAGS = --enable-introspection
+TESTS =
+check_PROGRAMS =
 
 # The following warning options are useful for debugging: -Wpadded
 #AM_CXXFLAGS =
@@ -341,6 +343,7 @@ dist_check_SCRIPTS = \
 	check-static-inits.sh \
 	check-symbols.sh \
 	$(NULL)
+TESTS += $(dist_check_SCRIPTS)
 
 if !WITH_LIBSTDCXX
 dist_check_SCRIPTS += \
@@ -348,14 +351,19 @@ dist_check_SCRIPTS += \
 	$(NULL)
 endif
 
-check_PROGRAMS = \
-	test-ot-tag \
+check_PROGRAMS += \
+	print-indic-table \
 	$(NULL)
+print_indic_table_SOURCES = print-indic-table.cc hb-ot-shape-complex-indic-table.cc
+print_indic_table_CPPFLAGS = $(HBCFLAGS) -DMAIN
+print_indic_table_LDADD = libharfbuzz.la $(HBLIBS)
+
+check_PROGRAMS += test-ot-tag
+TESTS += test-ot-tag
 test_ot_tag_SOURCES = hb-ot-tag.cc
 test_ot_tag_CPPFLAGS = $(HBCFLAGS) -DMAIN
 test_ot_tag_LDADD = libharfbuzz.la $(HBLIBS)
 
-TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS)
 TESTS_ENVIRONMENT = \
 	srcdir="$(srcdir)" \
 	MAKE="$(MAKE) $(AM_MAKEFLAGS)" \
diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index a64e9d039..4d700f74e 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -186,4 +186,189 @@ enum indic_matra_category_t {
 HB_INTERNAL INDIC_TABLE_ELEMENT_TYPE
 hb_indic_get_categories (hb_codepoint_t u);
 
+/* buffer var allocations */
+#define indic_category() complex_var_u8_0() /* indic_category_t */
+#define indic_position() complex_var_u8_1() /* indic_position_t */
+
+
+#define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
+
+#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x0900u))
+#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x0980u))
+#define IS_GURU(u) (IN_HALF_BLOCK (u, 0x0A00u))
+#define IS_GUJR(u) (IN_HALF_BLOCK (u, 0x0A80u))
+#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0x0B00u))
+#define IS_TAML(u) (IN_HALF_BLOCK (u, 0x0B80u))
+#define IS_TELU(u) (IN_HALF_BLOCK (u, 0x0C00u))
+#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
+#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
+#define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
+
+
+#define MATRA_POS_LEFT(u)	POS_PRE_M
+#define MATRA_POS_RIGHT(u)	( \
+				  IS_DEVA(u) ? POS_AFTER_SUB  : \
+				  IS_BENG(u) ? POS_AFTER_POST : \
+				  IS_GURU(u) ? POS_AFTER_POST : \
+				  IS_GUJR(u) ? POS_AFTER_POST : \
+				  IS_ORYA(u) ? POS_AFTER_POST : \
+				  IS_TAML(u) ? POS_AFTER_POST : \
+				  IS_TELU(u) ? (u <= 0x0C42u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
+				  IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
+				  IS_MLYM(u) ? POS_AFTER_POST : \
+				  IS_SINH(u) ? POS_AFTER_SUB  : \
+				  /*default*/  POS_AFTER_SUB    \
+				)
+#define MATRA_POS_TOP(u)	( /* BENG and MLYM don't have top matras. */ \
+				  IS_DEVA(u) ? POS_AFTER_SUB  : \
+				  IS_GURU(u) ? POS_AFTER_POST : /* Deviate from spec */ \
+				  IS_GUJR(u) ? POS_AFTER_SUB  : \
+				  IS_ORYA(u) ? POS_AFTER_MAIN : \
+				  IS_TAML(u) ? POS_AFTER_SUB  : \
+				  IS_TELU(u) ? POS_BEFORE_SUB : \
+				  IS_KNDA(u) ? POS_BEFORE_SUB : \
+				  IS_SINH(u) ? POS_AFTER_SUB  : \
+				  /*default*/  POS_AFTER_SUB    \
+				)
+#define MATRA_POS_BOTTOM(u)	( \
+				  IS_DEVA(u) ? POS_AFTER_SUB  : \
+				  IS_BENG(u) ? POS_AFTER_SUB  : \
+				  IS_GURU(u) ? POS_AFTER_POST : \
+				  IS_GUJR(u) ? POS_AFTER_POST : \
+				  IS_ORYA(u) ? POS_AFTER_SUB  : \
+				  IS_TAML(u) ? POS_AFTER_POST : \
+				  IS_TELU(u) ? POS_BEFORE_SUB : \
+				  IS_KNDA(u) ? POS_BEFORE_SUB : \
+				  IS_MLYM(u) ? POS_AFTER_POST : \
+				  IS_SINH(u) ? POS_AFTER_SUB  : \
+				  /*default*/  POS_AFTER_SUB    \
+				)
+
+static inline indic_position_t
+matra_position (hb_codepoint_t u, indic_position_t side)
+{
+  switch ((int) side)
+  {
+    case POS_PRE_C:	return MATRA_POS_LEFT (u);
+    case POS_POST_C:	return MATRA_POS_RIGHT (u);
+    case POS_ABOVE_C:	return MATRA_POS_TOP (u);
+    case POS_BELOW_C:	return MATRA_POS_BOTTOM (u);
+  };
+  return side;
+}
+
+/* XXX
+ * This is a hack for now.  We should move this data into the main Indic table.
+ * Or completely remove it and just check in the tables.
+ */
+static const hb_codepoint_t ra_chars[] = {
+  0x0930u, /* Devanagari */
+  0x09B0u, /* Bengali */
+  0x09F0u, /* Bengali */
+  0x0A30u, /* Gurmukhi */	/* No Reph */
+  0x0AB0u, /* Gujarati */
+  0x0B30u, /* Oriya */
+  0x0BB0u, /* Tamil */		/* No Reph */
+  0x0C30u, /* Telugu */		/* Reph formed only with ZWJ */
+  0x0CB0u, /* Kannada */
+  0x0D30u, /* Malayalam */	/* No Reph, Logical Repha */
+
+  0x0DBBu, /* Sinhala */		/* Reph formed only with ZWJ */
+};
+
+static inline bool
+is_ra (hb_codepoint_t u)
+{
+  for (unsigned int i = 0; i < ARRAY_LENGTH (ra_chars); i++)
+    if (u == ra_chars[i])
+      return true;
+  return false;
+}
+
+static inline void
+set_indic_properties (hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  unsigned int type = hb_indic_get_categories (u);
+  indic_category_t cat = (indic_category_t) (type & 0x7Fu);
+  indic_position_t pos = (indic_position_t) (type >> 8);
+
+
+  /*
+   * Re-assign category
+   */
+
+  /* The following act more like the Bindus. */
+  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
+    cat = OT_SM;
+  /* The following act like consonants. */
+  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
+				      0x1CF5u, 0x1CF6u)))
+    cat = OT_C;
+  /* TODO: The following should only be allowed after a Visarga.
+   * For now, just treat them like regular tone marks. */
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
+    cat = OT_A;
+  /* TODO: The following should only be allowed after some of
+   * the nasalization marks, maybe only for U+1CE9..U+1CF1.
+   * For now, just treat them like tone marks. */
+  else if (unlikely (u == 0x1CEDu))
+    cat = OT_A;
+  /* The following take marks in standalone clusters, similar to Avagraha. */
+  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
+				      0x1CE9u, 0x1CECu,
+				      0x1CEEu, 0x1CF1u)))
+  {
+    cat = OT_Symbol;
+    static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
+  }
+  else if (unlikely (u == 0x0A51u))
+  {
+    /* https://github.com/harfbuzz/harfbuzz/issues/524 */
+    cat = OT_M;
+    pos = POS_BELOW_C;
+  }
+
+  /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
+   * so the Indic shaper needs to know their categories. */
+  else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
+  else if (unlikely (u == 0x1133cu)) cat = OT_N;
+
+  else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
+
+  else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
+  else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
+				    cat = OT_PLACEHOLDER;
+  else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
+
+
+  /*
+   * Re-assign position.
+   */
+
+  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
+  {
+    pos = POS_BASE_C;
+    if (is_ra (u))
+      cat = OT_Ra;
+  }
+  else if (cat == OT_M)
+  {
+    pos = matra_position (u, pos);
+  }
+  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) /* | FLAG (OT_VD) */ | FLAG (OT_A) | FLAG (OT_Symbol))))
+  {
+    pos = POS_SMVD;
+  }
+
+  if (unlikely (u == 0x0B01u)) pos = POS_BEFORE_SUB; /* Oriya Bindu is BeforeSub in the spec. */
+
+
+
+  info.indic_category() = cat;
+  info.indic_position() = pos;
+}
+
+
 #endif /* HB_OT_SHAPE_COMPLEX_INDIC_PRIVATE_HH */
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 9d150e0d3..5594f8bde 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -27,110 +27,12 @@
 #include "hb-ot-shape-complex-indic-private.hh"
 #include "hb-ot-layout-private.hh"
 
-/* buffer var allocations */
-#define indic_category() complex_var_u8_0() /* indic_category_t */
-#define indic_position() complex_var_u8_1() /* indic_position_t */
-
 
 /*
  * Indic shaper.
  */
 
 
-#define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
-
-#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x0900u))
-#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x0980u))
-#define IS_GURU(u) (IN_HALF_BLOCK (u, 0x0A00u))
-#define IS_GUJR(u) (IN_HALF_BLOCK (u, 0x0A80u))
-#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0x0B00u))
-#define IS_TAML(u) (IN_HALF_BLOCK (u, 0x0B80u))
-#define IS_TELU(u) (IN_HALF_BLOCK (u, 0x0C00u))
-#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
-#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
-#define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
-
-
-#define MATRA_POS_LEFT(u)	POS_PRE_M
-#define MATRA_POS_RIGHT(u)	( \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_BENG(u) ? POS_AFTER_POST : \
-				  IS_GURU(u) ? POS_AFTER_POST : \
-				  IS_GUJR(u) ? POS_AFTER_POST : \
-				  IS_ORYA(u) ? POS_AFTER_POST : \
-				  IS_TAML(u) ? POS_AFTER_POST : \
-				  IS_TELU(u) ? (u <= 0x0C42u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
-				  IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
-				  IS_MLYM(u) ? POS_AFTER_POST : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-#define MATRA_POS_TOP(u)	( /* BENG and MLYM don't have top matras. */ \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_GURU(u) ? POS_AFTER_POST : /* Deviate from spec */ \
-				  IS_GUJR(u) ? POS_AFTER_SUB  : \
-				  IS_ORYA(u) ? POS_AFTER_MAIN : \
-				  IS_TAML(u) ? POS_AFTER_SUB  : \
-				  IS_TELU(u) ? POS_BEFORE_SUB : \
-				  IS_KNDA(u) ? POS_BEFORE_SUB : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-#define MATRA_POS_BOTTOM(u)	( \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_BENG(u) ? POS_AFTER_SUB  : \
-				  IS_GURU(u) ? POS_AFTER_POST : \
-				  IS_GUJR(u) ? POS_AFTER_POST : \
-				  IS_ORYA(u) ? POS_AFTER_SUB  : \
-				  IS_TAML(u) ? POS_AFTER_POST : \
-				  IS_TELU(u) ? POS_BEFORE_SUB : \
-				  IS_KNDA(u) ? POS_BEFORE_SUB : \
-				  IS_MLYM(u) ? POS_AFTER_POST : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-
-static inline indic_position_t
-matra_position (hb_codepoint_t u, indic_position_t side)
-{
-  switch ((int) side)
-  {
-    case POS_PRE_C:	return MATRA_POS_LEFT (u);
-    case POS_POST_C:	return MATRA_POS_RIGHT (u);
-    case POS_ABOVE_C:	return MATRA_POS_TOP (u);
-    case POS_BELOW_C:	return MATRA_POS_BOTTOM (u);
-  };
-  return side;
-}
-
-/* XXX
- * This is a hack for now.  We should move this data into the main Indic table.
- * Or completely remove it and just check in the tables.
- */
-static const hb_codepoint_t ra_chars[] = {
-  0x0930u, /* Devanagari */
-  0x09B0u, /* Bengali */
-  0x09F0u, /* Bengali */
-  0x0A30u, /* Gurmukhi */	/* No Reph */
-  0x0AB0u, /* Gujarati */
-  0x0B30u, /* Oriya */
-  0x0BB0u, /* Tamil */		/* No Reph */
-  0x0C30u, /* Telugu */		/* Reph formed only with ZWJ */
-  0x0CB0u, /* Kannada */
-  0x0D30u, /* Malayalam */	/* No Reph, Logical Repha */
-
-  0x0DBBu, /* Sinhala */		/* Reph formed only with ZWJ */
-};
-
-static inline bool
-is_ra (hb_codepoint_t u)
-{
-  for (unsigned int i = 0; i < ARRAY_LENGTH (ra_chars); i++)
-    if (u == ra_chars[i])
-      return true;
-  return false;
-}
-
 static inline bool
 is_one_of (const hb_glyph_info_t &info, unsigned int flags)
 {
@@ -157,95 +59,6 @@ is_halant (const hb_glyph_info_t &info)
   return is_one_of (info, FLAG (OT_H));
 }
 
-static inline void
-set_indic_properties (hb_glyph_info_t &info)
-{
-  hb_codepoint_t u = info.codepoint;
-  unsigned int type = hb_indic_get_categories (u);
-  indic_category_t cat = (indic_category_t) (type & 0x7Fu);
-  indic_position_t pos = (indic_position_t) (type >> 8);
-
-
-  /*
-   * Re-assign category
-   */
-
-  /* The following act more like the Bindus. */
-  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
-    cat = OT_SM;
-  /* The following act like consonants. */
-  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
-				      0x1CF5u, 0x1CF6u)))
-    cat = OT_C;
-  /* TODO: The following should only be allowed after a Visarga.
-   * For now, just treat them like regular tone marks. */
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
-    cat = OT_A;
-  /* TODO: The following should only be allowed after some of
-   * the nasalization marks, maybe only for U+1CE9..U+1CF1.
-   * For now, just treat them like tone marks. */
-  else if (unlikely (u == 0x1CEDu))
-    cat = OT_A;
-  /* The following take marks in standalone clusters, similar to Avagraha. */
-  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
-				      0x1CE9u, 0x1CECu,
-				      0x1CEEu, 0x1CF1u)))
-  {
-    cat = OT_Symbol;
-    static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
-  }
-  else if (unlikely (u == 0x0A51u))
-  {
-    /* https://github.com/harfbuzz/harfbuzz/issues/524 */
-    cat = OT_M;
-    pos = POS_BELOW_C;
-  }
-
-  /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
-   * so the Indic shaper needs to know their categories. */
-  else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
-  else if (unlikely (u == 0x1133cu)) cat = OT_N;
-
-  else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
-
-  else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
-  else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
-				    cat = OT_PLACEHOLDER;
-  else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
-
-
-  /*
-   * Re-assign position.
-   */
-
-  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
-  {
-    pos = POS_BASE_C;
-    if (is_ra (u))
-      cat = OT_Ra;
-  }
-  else if (cat == OT_M)
-  {
-    pos = matra_position (u, pos);
-  }
-  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) /* | FLAG (OT_VD) */ | FLAG (OT_A) | FLAG (OT_Symbol))))
-  {
-    pos = POS_SMVD;
-  }
-
-  if (unlikely (u == 0x0B01u)) pos = POS_BEFORE_SUB; /* Oriya Bindu is BeforeSub in the spec. */
-
-
-
-  info.indic_category() = cat;
-  info.indic_position() = pos;
-}
-
-/*
- * Things above this line should ideally be moved to the Indic table itself.
- */
-
 
 /*
  * Indic configurations.  Note that we do not want to keep every single script-specific
diff --git a/src/print-indic-table.cc b/src/print-indic-table.cc
new file mode 100644
index 000000000..d57413884
--- /dev/null
+++ b/src/print-indic-table.cc
@@ -0,0 +1,43 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-ot-shape-complex-indic-private.hh"
+
+int
+main (void)
+{
+  for (hb_codepoint_t u = 0; u <= 0x10FFFF; u++)
+  {
+    hb_glyph_info_t info;
+    info.codepoint = u;
+    set_indic_properties (info);
+    if (info.indic_category() != INDIC_SYLLABIC_CATEGORY_OTHER ||
+	info.indic_position() != INDIC_MATRA_CATEGORY_NOT_APPLICABLE)
+      printf("U+%04X	%u	%u\n", u,
+	     info.indic_category(),
+	     info.indic_position());
+  }
+}

From d830d3d2448b2248dff642c701b442e1260e2d85 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 19:01:03 -0800
Subject: [PATCH 1121/1326] [indic] Share some copy/pasta code

---
 src/hb-ot-shape-complex-indic-private.hh | 29 +++++++++++++++++++++--
 src/hb-ot-shape-complex-indic.cc         | 27 ---------------------
 src/hb-ot-shape-complex-khmer.cc         | 30 +++++++-----------------
 src/hb-ot-shape-complex-myanmar.cc       | 19 ++-------------
 4 files changed, 37 insertions(+), 68 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index 4d700f74e..8c152c92f 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -190,6 +190,31 @@ hb_indic_get_categories (hb_codepoint_t u);
 #define indic_category() complex_var_u8_0() /* indic_category_t */
 #define indic_position() complex_var_u8_1() /* indic_position_t */
 
+static inline bool
+is_one_of (const hb_glyph_info_t &info, unsigned int flags)
+{
+  /* If it ligated, all bets are off. */
+  if (_hb_glyph_info_ligated (&info)) return false;
+  return !!(FLAG_UNSAFE (info.indic_category()) & flags);
+}
+
+static inline bool
+is_joiner (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, JOINER_FLAGS);
+}
+
+static inline bool
+is_consonant (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, CONSONANT_FLAGS);
+}
+
+static inline bool
+is_halant (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, FLAG (OT_H));
+}
 
 #define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
 
@@ -245,7 +270,7 @@ hb_indic_get_categories (hb_codepoint_t u);
 				)
 
 static inline indic_position_t
-matra_position (hb_codepoint_t u, indic_position_t side)
+matra_position_indic (hb_codepoint_t u, indic_position_t side)
 {
   switch ((int) side)
   {
@@ -355,7 +380,7 @@ set_indic_properties (hb_glyph_info_t &info)
   }
   else if (cat == OT_M)
   {
-    pos = matra_position (u, pos);
+    pos = matra_position_indic (u, pos);
   }
   else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) /* | FLAG (OT_VD) */ | FLAG (OT_A) | FLAG (OT_Symbol))))
   {
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 5594f8bde..32ad86a5f 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -33,33 +33,6 @@
  */
 
 
-static inline bool
-is_one_of (const hb_glyph_info_t &info, unsigned int flags)
-{
-  /* If it ligated, all bets are off. */
-  if (_hb_glyph_info_ligated (&info)) return false;
-  return !!(FLAG_UNSAFE (info.indic_category()) & flags);
-}
-
-static inline bool
-is_joiner (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, JOINER_FLAGS);
-}
-
-static inline bool
-is_consonant (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, CONSONANT_FLAGS);
-}
-
-static inline bool
-is_halant (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, FLAG (OT_H));
-}
-
-
 /*
  * Indic configurations.  Note that we do not want to keep every single script-specific
  * behavior in these tables necessarily.  This should mainly be used for per-script
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 2db4f6097..0e2ca88cb 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -28,8 +28,8 @@
 #include "hb-ot-layout-private.hh"
 
 /* buffer var allocations */
-#define khmer_category() complex_var_u8_0() /* khmer_category_t */
-#define khmer_position() complex_var_u8_1() /* khmer_position_t */
+#define khmer_category() indic_category() /* khmer_category_t */
+#define khmer_position() indic_position() /* khmer_position_t */
 
 
 /*
@@ -41,7 +41,7 @@ typedef indic_position_t khmer_position_t;
 
 
 static inline khmer_position_t
-matra_position (khmer_position_t side)
+matra_position_khmer (khmer_position_t side)
 {
   switch ((int) side)
   {
@@ -59,21 +59,7 @@ matra_position (khmer_position_t side)
 }
 
 static inline bool
-is_one_of (const hb_glyph_info_t &info, unsigned int flags)
-{
-  /* If it ligated, all bets are off. */
-  if (_hb_glyph_info_ligated (&info)) return false;
-  return !!(FLAG_UNSAFE (info.khmer_category()) & flags);
-}
-
-static inline bool
-is_joiner (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, JOINER_FLAGS);
-}
-
-static inline bool
-is_consonant (const hb_glyph_info_t &info)
+is_consonant_or_vowel (const hb_glyph_info_t &info)
 {
   return is_one_of (info, CONSONANT_FLAGS | FLAG (OT_V));
 }
@@ -122,7 +108,7 @@ set_khmer_properties (hb_glyph_info_t &info)
   }
   else if (cat == OT_M)
   {
-    pos = matra_position (pos);
+    pos = matra_position_khmer (pos);
   }
   else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_A) | FLAG (OT_Symbol))))
   {
@@ -404,7 +390,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 
   /* Mark all subsequent consonants as below. */
   for (unsigned int i = base + 1; i < end; i++)
-    if (is_consonant (info[i]))
+    if (is_consonant_or_vowel (info[i]))
       info[i].khmer_position() = POS_BELOW_C;
 
   /* Mark final consonants.  A final consonant is one appearing after a matra,
@@ -412,7 +398,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   for (unsigned int i = base + 1; i < end; i++)
     if (info[i].khmer_category() == OT_M) {
       for (unsigned int j = i + 1; j < end; j++)
-        if (is_consonant (info[j])) {
+        if (is_consonant_or_vowel (info[j])) {
 	  info[j].khmer_position() = POS_FINAL_C;
 	  break;
 	}
@@ -455,7 +441,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   {
     unsigned int last = base;
     for (unsigned int i = base + 1; i < end; i++)
-      if (is_consonant (info[i]))
+      if (is_consonant_or_vowel (info[i]))
       {
 	for (unsigned int j = last + 1; j < i; j++)
 	  if (info[j].khmer_position() < POS_SMVD)
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 31bb976b1..dacb1abe0 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -27,8 +27,8 @@
 #include "hb-ot-shape-complex-indic-private.hh"
 
 /* buffer var allocations */
-#define myanmar_category() complex_var_u8_0() /* myanmar_category_t */
-#define myanmar_position() complex_var_u8_1() /* myanmar_position_t */
+#define myanmar_category() indic_category() /* myanmar_category_t */
+#define myanmar_position() indic_position() /* myanmar_position_t */
 
 
 /*
@@ -149,21 +149,6 @@ enum myanmar_category_t {
 };
 
 
-static inline bool
-is_one_of (const hb_glyph_info_t &info, unsigned int flags)
-{
-  /* If it ligated, all bets are off. */
-  if (_hb_glyph_info_ligated (&info)) return false;
-  return !!(FLAG_UNSAFE (info.myanmar_category()) & flags);
-}
-
-static inline bool
-is_consonant (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, CONSONANT_FLAGS);
-}
-
-
 static inline void
 set_myanmar_properties (hb_glyph_info_t &info)
 {

From 8634846a0a1049c42ea84ca34402957c981b4c73 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 21:18:00 -0800
Subject: [PATCH 1122/1326] More tweaking linker and linker flags

---
 src/Makefile.am | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 7616ac6e1..67686d8b4 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -178,7 +178,7 @@ FUZZING_CPPFLAGS = \
 	-DHB_BUFFER_MAX_OPS_DEFAULT=1024 \
 	$(NULL)
 EXTRA_LTLIBRARIES = libharfbuzz-fuzzing.la
-libharfbuzz_fuzzing_la_LINK = $(libharfbuzz_la_LINK)
+libharfbuzz_fuzzing_la_LINK = $(chosen_linker) $(libharfbuzz_fuzzing_la_LDFLAGS)
 libharfbuzz_fuzzing_la_SOURCES = $(libharfbuzz_la_SOURCES)
 libharfbuzz_fuzzing_la_CPPFLAGS = $(HBCFLAGS) $(HBLIBCXXFLAGS) $(FUZZING_CPPFLAGS)
 libharfbuzz_fuzzing_la_LDFLAGS = $(AM_LDFLAGS)
@@ -207,11 +207,11 @@ EXTRA_DIST += harfbuzz-icu.pc.in
 
 if HAVE_GOBJECT
 lib_LTLIBRARIES += libharfbuzz-gobject.la
-libharfbuzz_gobject_la_LINK = $(libharfbuzz_la_LINK)
+libharfbuzz_gobject_la_LINK = $(chosen_linker) $(libharfbuzz_gobject_la_LDFLAGS)
 libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_sources)
 nodist_libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_ENUM_sources)
 libharfbuzz_gobject_la_CPPFLAGS = $(HBCFLAGS) $(HBNOLIBCXXFLAGS) $(GOBJECT_CFLAGS)
-libharfbuzz_gobject_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
+libharfbuzz_gobject_la_LDFLAGS = $(base_link_flags)
 libharfbuzz_gobject_la_LIBADD = $(GOBJECT_LIBS) libharfbuzz.la
 pkginclude_HEADERS += $(HB_GOBJECT_headers)
 nodist_pkginclude_HEADERS += $(HB_GOBJECT_ENUM_headers)

From 9b878bd2165236b067d59410673cf5cc54968fa7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 21:22:47 -0800
Subject: [PATCH 1123/1326] [indic] Explicitly number indic_position_t

So it's easier to cross-reference from output of print-indic-table.
---
 src/hb-ot-shape-complex-indic-private.hh | 32 ++++++++++++------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index 8c152c92f..34a9653dd 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -77,29 +77,29 @@ enum indic_category_t {
 
 /* Visual positions in a syllable from left to right. */
 enum indic_position_t {
-  POS_START,
+  POS_START = 0,
 
-  POS_RA_TO_BECOME_REPH,
-  POS_PRE_M,
-  POS_PRE_C,
+  POS_RA_TO_BECOME_REPH = 1,
+  POS_PRE_M = 2,
+  POS_PRE_C = 3,
 
-  POS_BASE_C,
-  POS_AFTER_MAIN,
+  POS_BASE_C = 4,
+  POS_AFTER_MAIN = 5,
 
-  POS_ABOVE_C,
+  POS_ABOVE_C = 6,
 
-  POS_BEFORE_SUB,
-  POS_BELOW_C,
-  POS_AFTER_SUB,
+  POS_BEFORE_SUB = 7,
+  POS_BELOW_C = 8,
+  POS_AFTER_SUB = 9,
 
-  POS_BEFORE_POST,
-  POS_POST_C,
-  POS_AFTER_POST,
+  POS_BEFORE_POST = 10,
+  POS_POST_C = 11,
+  POS_AFTER_POST = 12,
 
-  POS_FINAL_C,
-  POS_SMVD,
+  POS_FINAL_C = 13,
+  POS_SMVD = 14,
 
-  POS_END
+  POS_END = 15
 };
 
 /* Categories used in IndicSyllabicCategory.txt from UCD. */

From c0e45b60a001a45c8ed1f12af8f2f222161eca6a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 21:23:38 -0800
Subject: [PATCH 1124/1326] [indic] Rename print-indic-table to dump-indic-data

Makes more sense given what this prints, err, dumps.
---
 src/Makefile.am                                  | 8 ++++----
 src/{print-indic-table.cc => dump-indic-data.cc} | 0
 2 files changed, 4 insertions(+), 4 deletions(-)
 rename src/{print-indic-table.cc => dump-indic-data.cc} (100%)

diff --git a/src/Makefile.am b/src/Makefile.am
index 67686d8b4..571ec1134 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -352,11 +352,11 @@ dist_check_SCRIPTS += \
 endif
 
 check_PROGRAMS += \
-	print-indic-table \
+	dump-indic-data \
 	$(NULL)
-print_indic_table_SOURCES = print-indic-table.cc hb-ot-shape-complex-indic-table.cc
-print_indic_table_CPPFLAGS = $(HBCFLAGS) -DMAIN
-print_indic_table_LDADD = libharfbuzz.la $(HBLIBS)
+dump_indic_data_SOURCES = dump-indic-data.cc hb-ot-shape-complex-indic-table.cc
+dump_indic_data_CPPFLAGS = $(HBCFLAGS)
+dump_indic_data_LDADD = libharfbuzz.la $(HBLIBS)
 
 check_PROGRAMS += test-ot-tag
 TESTS += test-ot-tag
diff --git a/src/print-indic-table.cc b/src/dump-indic-data.cc
similarity index 100%
rename from src/print-indic-table.cc
rename to src/dump-indic-data.cc

From effddd03bd6fb0aac14b46a16b281f3749e44780 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 21:38:15 -0800
Subject: [PATCH 1125/1326] [myanmar] Add dump-myanmar-data

---
 src/Makefile.am                            |   4 +
 src/Makefile.sources                       |   1 +
 src/dump-myanmar-data.cc                   |  43 ++++++
 src/hb-ot-shape-complex-indic-private.hh   |   8 +-
 src/hb-ot-shape-complex-myanmar-private.hh | 171 +++++++++++++++++++++
 src/hb-ot-shape-complex-myanmar.cc         | 138 +----------------
 6 files changed, 225 insertions(+), 140 deletions(-)
 create mode 100644 src/dump-myanmar-data.cc
 create mode 100644 src/hb-ot-shape-complex-myanmar-private.hh

diff --git a/src/Makefile.am b/src/Makefile.am
index 571ec1134..b3be138d5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -353,10 +353,14 @@ endif
 
 check_PROGRAMS += \
 	dump-indic-data \
+	dump-myanmar-data \
 	$(NULL)
 dump_indic_data_SOURCES = dump-indic-data.cc hb-ot-shape-complex-indic-table.cc
 dump_indic_data_CPPFLAGS = $(HBCFLAGS)
 dump_indic_data_LDADD = libharfbuzz.la $(HBLIBS)
+dump_myanmar_data_SOURCES = dump-myanmar-data.cc hb-ot-shape-complex-indic-table.cc
+dump_myanmar_data_CPPFLAGS = $(HBCFLAGS)
+dump_myanmar_data_LDADD = libharfbuzz.la $(HBLIBS)
 
 check_PROGRAMS += test-ot-tag
 TESTS += test-ot-tag
diff --git a/src/Makefile.sources b/src/Makefile.sources
index f412a65d2..376d543a5 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -110,6 +110,7 @@ HB_OT_sources = \
 	hb-ot-shape-complex-indic-private.hh \
 	hb-ot-shape-complex-indic-table.cc \
 	hb-ot-shape-complex-khmer.cc \
+	hb-ot-shape-complex-myanmar-private.hh \
 	hb-ot-shape-complex-myanmar.cc \
 	hb-ot-shape-complex-thai.cc \
 	hb-ot-shape-complex-tibetan.cc \
diff --git a/src/dump-myanmar-data.cc b/src/dump-myanmar-data.cc
new file mode 100644
index 000000000..2df9cd987
--- /dev/null
+++ b/src/dump-myanmar-data.cc
@@ -0,0 +1,43 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-ot-shape-complex-myanmar-private.hh"
+
+int
+main (void)
+{
+  for (hb_codepoint_t u = 0; u <= 0x10FFFF; u++)
+  {
+    hb_glyph_info_t info;
+    info.codepoint = u;
+    set_myanmar_properties (info);
+    if (info.myanmar_category() != INDIC_SYLLABIC_CATEGORY_OTHER ||
+	info.myanmar_position() != INDIC_MATRA_CATEGORY_NOT_APPLICABLE)
+      printf("U+%04X	%u	%u\n", u,
+	     info.myanmar_category(),
+	     info.myanmar_position());
+  }
+}
diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index 34a9653dd..867b93627 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -34,6 +34,11 @@
 #include "hb-ot-shape-private.hh" /* XXX Remove */
 
 
+/* buffer var allocations */
+#define indic_category() complex_var_u8_0() /* indic_category_t */
+#define indic_position() complex_var_u8_1() /* indic_position_t */
+
+
 #define INDIC_TABLE_ELEMENT_TYPE uint16_t
 
 /* Cateories used in the OpenType spec:
@@ -186,9 +191,6 @@ enum indic_matra_category_t {
 HB_INTERNAL INDIC_TABLE_ELEMENT_TYPE
 hb_indic_get_categories (hb_codepoint_t u);
 
-/* buffer var allocations */
-#define indic_category() complex_var_u8_0() /* indic_category_t */
-#define indic_position() complex_var_u8_1() /* indic_position_t */
 
 static inline bool
 is_one_of (const hb_glyph_info_t &info, unsigned int flags)
diff --git a/src/hb-ot-shape-complex-myanmar-private.hh b/src/hb-ot-shape-complex-myanmar-private.hh
new file mode 100644
index 000000000..04f81bd12
--- /dev/null
+++ b/src/hb-ot-shape-complex-myanmar-private.hh
@@ -0,0 +1,171 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_MYANMAR_PRIVATE_HH
+#define HB_OT_SHAPE_COMPLEX_MYANMAR_PRIVATE_HH
+
+#include "hb-private.hh"
+
+#include "hb-ot-shape-complex-indic-private.hh"
+
+
+/* buffer var allocations */
+#define myanmar_category() indic_category() /* myanmar_category_t */
+#define myanmar_position() indic_position() /* myanmar_position_t */
+
+
+/* Note: This enum is duplicated in the -machine.rl source file.
+ * Not sure how to avoid duplication. */
+enum myanmar_category_t {
+  OT_As  = 18,  /* Asat */
+  OT_D0  = 20, /* Digit zero */
+  OT_DB  = OT_N, /* Dot below */
+  OT_GB  = OT_PLACEHOLDER,
+  OT_MH  = 21, /* Various consonant medial types */
+  OT_MR  = 22, /* Various consonant medial types */
+  OT_MW  = 23, /* Various consonant medial types */
+  OT_MY  = 24, /* Various consonant medial types */
+  OT_PT  = 25, /* Pwo and other tones */
+  OT_VAbv = 26,
+  OT_VBlw = 27,
+  OT_VPre = 28,
+  OT_VPst = 29,
+  OT_VS   = 30, /* Variation selectors */
+  OT_P    = 31, /* Punctuation */
+  OT_D    = 32, /* Digits except zero */
+};
+
+
+static inline void
+set_myanmar_properties (hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  unsigned int type = hb_indic_get_categories (u);
+  indic_category_t cat = (indic_category_t) (type & 0x7Fu);
+  indic_position_t pos = (indic_position_t) (type >> 8);
+
+  /* Myanmar
+   * http://www.microsoft.com/typography/OpenTypeDev/myanmar/intro.htm#analyze
+   */
+  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu)))
+    cat = (indic_category_t) OT_VS;
+
+  switch (u)
+  {
+    case 0x104Eu:
+      cat = (indic_category_t) OT_C; /* The spec says C, IndicSyllableCategory doesn't have. */
+      break;
+
+    case 0x002Du: case 0x00A0u: case 0x00D7u: case 0x2012u:
+    case 0x2013u: case 0x2014u: case 0x2015u: case 0x2022u:
+    case 0x25CCu: case 0x25FBu: case 0x25FCu: case 0x25FDu:
+    case 0x25FEu:
+      cat = (indic_category_t) OT_GB;
+      break;
+
+    case 0x1004u: case 0x101Bu: case 0x105Au:
+      cat = (indic_category_t) OT_Ra;
+      break;
+
+    case 0x1032u: case 0x1036u:
+      cat = (indic_category_t) OT_A;
+      break;
+
+    case 0x1039u:
+      cat = (indic_category_t) OT_H;
+      break;
+
+    case 0x103Au:
+      cat = (indic_category_t) OT_As;
+      break;
+
+    case 0x1041u: case 0x1042u: case 0x1043u: case 0x1044u:
+    case 0x1045u: case 0x1046u: case 0x1047u: case 0x1048u:
+    case 0x1049u: case 0x1090u: case 0x1091u: case 0x1092u:
+    case 0x1093u: case 0x1094u: case 0x1095u: case 0x1096u:
+    case 0x1097u: case 0x1098u: case 0x1099u:
+      cat = (indic_category_t) OT_D;
+      break;
+
+    case 0x1040u:
+      cat = (indic_category_t) OT_D; /* XXX The spec says D0, but Uniscribe doesn't seem to do. */
+      break;
+
+    case 0x103Eu: case 0x1060u:
+      cat = (indic_category_t) OT_MH;
+      break;
+
+    case 0x103Cu:
+      cat = (indic_category_t) OT_MR;
+      break;
+
+    case 0x103Du: case 0x1082u:
+      cat = (indic_category_t) OT_MW;
+      break;
+
+    case 0x103Bu: case 0x105Eu: case 0x105Fu:
+      cat = (indic_category_t) OT_MY;
+      break;
+
+    case 0x1063u: case 0x1064u: case 0x1069u: case 0x106Au:
+    case 0x106Bu: case 0x106Cu: case 0x106Du: case 0xAA7Bu:
+      cat = (indic_category_t) OT_PT;
+      break;
+
+    case 0x1038u: case 0x1087u: case 0x1088u: case 0x1089u:
+    case 0x108Au: case 0x108Bu: case 0x108Cu: case 0x108Du:
+    case 0x108Fu: case 0x109Au: case 0x109Bu: case 0x109Cu:
+      cat = (indic_category_t) OT_SM;
+      break;
+
+    case 0x104Au: case 0x104Bu:
+      cat = (indic_category_t) OT_P;
+      break;
+
+    case 0xAA74u: case 0xAA75u: case 0xAA76u:
+      /* https://github.com/roozbehp/unicode-data/issues/3 */
+      cat = (indic_category_t) OT_C;
+      break;
+  }
+
+  if (cat == OT_M)
+  {
+    switch ((int) pos)
+    {
+      case POS_PRE_C:	cat = (indic_category_t) OT_VPre;
+			pos = POS_PRE_M;                  break;
+      case POS_ABOVE_C:	cat = (indic_category_t) OT_VAbv; break;
+      case POS_BELOW_C:	cat = (indic_category_t) OT_VBlw; break;
+      case POS_POST_C:	cat = (indic_category_t) OT_VPst; break;
+    }
+  }
+
+  info.myanmar_category() = (myanmar_category_t) cat;
+  info.myanmar_position() = pos;
+}
+
+
+#endif /* HB_OT_SHAPE_COMPLEX_MYANMAR_PRIVATE_HH */
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index dacb1abe0..3c57bc1ff 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -24,11 +24,7 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#include "hb-ot-shape-complex-indic-private.hh"
-
-/* buffer var allocations */
-#define myanmar_category() indic_category() /* myanmar_category_t */
-#define myanmar_position() indic_position() /* myanmar_position_t */
+#include "hb-ot-shape-complex-myanmar-private.hh"
 
 
 /*
@@ -127,138 +123,6 @@ enum syllable_type_t {
 #include "hb-ot-shape-complex-myanmar-machine.hh"
 
 
-/* Note: This enum is duplicated in the -machine.rl source file.
- * Not sure how to avoid duplication. */
-enum myanmar_category_t {
-  OT_As  = 18,  /* Asat */
-  OT_D0  = 20, /* Digit zero */
-  OT_DB  = OT_N, /* Dot below */
-  OT_GB  = OT_PLACEHOLDER,
-  OT_MH  = 21, /* Various consonant medial types */
-  OT_MR  = 22, /* Various consonant medial types */
-  OT_MW  = 23, /* Various consonant medial types */
-  OT_MY  = 24, /* Various consonant medial types */
-  OT_PT  = 25, /* Pwo and other tones */
-  OT_VAbv = 26,
-  OT_VBlw = 27,
-  OT_VPre = 28,
-  OT_VPst = 29,
-  OT_VS   = 30, /* Variation selectors */
-  OT_P    = 31, /* Punctuation */
-  OT_D    = 32, /* Digits except zero */
-};
-
-
-static inline void
-set_myanmar_properties (hb_glyph_info_t &info)
-{
-  hb_codepoint_t u = info.codepoint;
-  unsigned int type = hb_indic_get_categories (u);
-  indic_category_t cat = (indic_category_t) (type & 0x7Fu);
-  indic_position_t pos = (indic_position_t) (type >> 8);
-
-  /* Myanmar
-   * http://www.microsoft.com/typography/OpenTypeDev/myanmar/intro.htm#analyze
-   */
-  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu)))
-    cat = (indic_category_t) OT_VS;
-
-  switch (u)
-  {
-    case 0x104Eu:
-      cat = (indic_category_t) OT_C; /* The spec says C, IndicSyllableCategory doesn't have. */
-      break;
-
-    case 0x002Du: case 0x00A0u: case 0x00D7u: case 0x2012u:
-    case 0x2013u: case 0x2014u: case 0x2015u: case 0x2022u:
-    case 0x25CCu: case 0x25FBu: case 0x25FCu: case 0x25FDu:
-    case 0x25FEu:
-      cat = (indic_category_t) OT_GB;
-      break;
-
-    case 0x1004u: case 0x101Bu: case 0x105Au:
-      cat = (indic_category_t) OT_Ra;
-      break;
-
-    case 0x1032u: case 0x1036u:
-      cat = (indic_category_t) OT_A;
-      break;
-
-    case 0x1039u:
-      cat = (indic_category_t) OT_H;
-      break;
-
-    case 0x103Au:
-      cat = (indic_category_t) OT_As;
-      break;
-
-    case 0x1041u: case 0x1042u: case 0x1043u: case 0x1044u:
-    case 0x1045u: case 0x1046u: case 0x1047u: case 0x1048u:
-    case 0x1049u: case 0x1090u: case 0x1091u: case 0x1092u:
-    case 0x1093u: case 0x1094u: case 0x1095u: case 0x1096u:
-    case 0x1097u: case 0x1098u: case 0x1099u:
-      cat = (indic_category_t) OT_D;
-      break;
-
-    case 0x1040u:
-      cat = (indic_category_t) OT_D; /* XXX The spec says D0, but Uniscribe doesn't seem to do. */
-      break;
-
-    case 0x103Eu: case 0x1060u:
-      cat = (indic_category_t) OT_MH;
-      break;
-
-    case 0x103Cu:
-      cat = (indic_category_t) OT_MR;
-      break;
-
-    case 0x103Du: case 0x1082u:
-      cat = (indic_category_t) OT_MW;
-      break;
-
-    case 0x103Bu: case 0x105Eu: case 0x105Fu:
-      cat = (indic_category_t) OT_MY;
-      break;
-
-    case 0x1063u: case 0x1064u: case 0x1069u: case 0x106Au:
-    case 0x106Bu: case 0x106Cu: case 0x106Du: case 0xAA7Bu:
-      cat = (indic_category_t) OT_PT;
-      break;
-
-    case 0x1038u: case 0x1087u: case 0x1088u: case 0x1089u:
-    case 0x108Au: case 0x108Bu: case 0x108Cu: case 0x108Du:
-    case 0x108Fu: case 0x109Au: case 0x109Bu: case 0x109Cu:
-      cat = (indic_category_t) OT_SM;
-      break;
-
-    case 0x104Au: case 0x104Bu:
-      cat = (indic_category_t) OT_P;
-      break;
-
-    case 0xAA74u: case 0xAA75u: case 0xAA76u:
-      /* https://github.com/roozbehp/unicode-data/issues/3 */
-      cat = (indic_category_t) OT_C;
-      break;
-  }
-
-  if (cat == OT_M)
-  {
-    switch ((int) pos)
-    {
-      case POS_PRE_C:	cat = (indic_category_t) OT_VPre;
-			pos = POS_PRE_M;                  break;
-      case POS_ABOVE_C:	cat = (indic_category_t) OT_VAbv; break;
-      case POS_BELOW_C:	cat = (indic_category_t) OT_VBlw; break;
-      case POS_POST_C:	cat = (indic_category_t) OT_VPst; break;
-    }
-  }
-
-  info.myanmar_category() = (myanmar_category_t) cat;
-  info.myanmar_position() = pos;
-}
-
-
-
 static void
 setup_masks_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
 		   hb_buffer_t              *buffer,

From 15ba4fbe01433c8627f9e6a60106ca77d3e1ad4c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 21:41:51 -0800
Subject: [PATCH 1126/1326] [khmer] Add dump-khmer-data

---
 src/Makefile.am                          |   4 +
 src/Makefile.sources                     |   1 +
 src/dump-khmer-data.cc                   |  43 ++++++++
 src/hb-ot-shape-complex-khmer-private.hh | 124 +++++++++++++++++++++++
 src/hb-ot-shape-complex-khmer.cc         |  98 +-----------------
 5 files changed, 173 insertions(+), 97 deletions(-)
 create mode 100644 src/dump-khmer-data.cc
 create mode 100644 src/hb-ot-shape-complex-khmer-private.hh

diff --git a/src/Makefile.am b/src/Makefile.am
index b3be138d5..f90b2ac2f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -353,11 +353,15 @@ endif
 
 check_PROGRAMS += \
 	dump-indic-data \
+	dump-khmer-data \
 	dump-myanmar-data \
 	$(NULL)
 dump_indic_data_SOURCES = dump-indic-data.cc hb-ot-shape-complex-indic-table.cc
 dump_indic_data_CPPFLAGS = $(HBCFLAGS)
 dump_indic_data_LDADD = libharfbuzz.la $(HBLIBS)
+dump_khmer_data_SOURCES = dump-khmer-data.cc hb-ot-shape-complex-indic-table.cc
+dump_khmer_data_CPPFLAGS = $(HBCFLAGS)
+dump_khmer_data_LDADD = libharfbuzz.la $(HBLIBS)
 dump_myanmar_data_SOURCES = dump-myanmar-data.cc hb-ot-shape-complex-indic-table.cc
 dump_myanmar_data_CPPFLAGS = $(HBCFLAGS)
 dump_myanmar_data_LDADD = libharfbuzz.la $(HBLIBS)
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 376d543a5..ec60ec0a6 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -109,6 +109,7 @@ HB_OT_sources = \
 	hb-ot-shape-complex-indic.cc \
 	hb-ot-shape-complex-indic-private.hh \
 	hb-ot-shape-complex-indic-table.cc \
+	hb-ot-shape-complex-khmer-private.hh \
 	hb-ot-shape-complex-khmer.cc \
 	hb-ot-shape-complex-myanmar-private.hh \
 	hb-ot-shape-complex-myanmar.cc \
diff --git a/src/dump-khmer-data.cc b/src/dump-khmer-data.cc
new file mode 100644
index 000000000..7dd09b2b5
--- /dev/null
+++ b/src/dump-khmer-data.cc
@@ -0,0 +1,43 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-ot-shape-complex-khmer-private.hh"
+
+int
+main (void)
+{
+  for (hb_codepoint_t u = 0; u <= 0x10FFFF; u++)
+  {
+    hb_glyph_info_t info;
+    info.codepoint = u;
+    set_khmer_properties (info);
+    if (info.khmer_category() != INDIC_SYLLABIC_CATEGORY_OTHER ||
+	info.khmer_position() != INDIC_MATRA_CATEGORY_NOT_APPLICABLE)
+      printf("U+%04X	%u	%u\n", u,
+	     info.khmer_category(),
+	     info.khmer_position());
+  }
+}
diff --git a/src/hb-ot-shape-complex-khmer-private.hh b/src/hb-ot-shape-complex-khmer-private.hh
new file mode 100644
index 000000000..f90ef9674
--- /dev/null
+++ b/src/hb-ot-shape-complex-khmer-private.hh
@@ -0,0 +1,124 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_KHMER_PRIVATE_HH
+#define HB_OT_SHAPE_COMPLEX_KHMER_PRIVATE_HH
+
+#include "hb-private.hh"
+
+#include "hb-ot-shape-complex-indic-private.hh"
+
+
+/* buffer var allocations */
+#define khmer_category() indic_category() /* khmer_category_t */
+#define khmer_position() indic_position() /* khmer_position_t */
+
+
+typedef indic_category_t khmer_category_t;
+typedef indic_position_t khmer_position_t;
+
+
+static inline khmer_position_t
+matra_position_khmer (khmer_position_t side)
+{
+  switch ((int) side)
+  {
+    case POS_PRE_C:
+      return POS_PRE_M;
+
+    case POS_POST_C:
+    case POS_ABOVE_C:
+    case POS_BELOW_C:
+      return POS_AFTER_POST;
+
+    default:
+      return side;
+  };
+}
+
+static inline bool
+is_consonant_or_vowel (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, CONSONANT_FLAGS | FLAG (OT_V));
+}
+
+static inline bool
+is_coeng (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, FLAG (OT_Coeng));
+}
+
+static inline void
+set_khmer_properties (hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  unsigned int type = hb_indic_get_categories (u);
+  khmer_category_t cat = (khmer_category_t) (type & 0x7Fu);
+  khmer_position_t pos = (khmer_position_t) (type >> 8);
+
+
+  /*
+   * Re-assign category
+   */
+
+  if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
+		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
+  {
+    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.
+     * https://github.com/roozbehp/unicode-data/issues/5 */
+    cat = OT_M;
+    pos = POS_ABOVE_C;
+  }
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u))) cat = OT_PLACEHOLDER;
+  else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
+
+
+  /*
+   * Re-assign position.
+   */
+
+  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
+  {
+    pos = POS_BASE_C;
+    if (u == 0x179Au)
+      cat = OT_Ra;
+  }
+  else if (cat == OT_M)
+  {
+    pos = matra_position_khmer (pos);
+  }
+  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_A) | FLAG (OT_Symbol))))
+  {
+    pos = POS_SMVD;
+  }
+
+  info.khmer_category() = cat;
+  info.khmer_position() = pos;
+}
+
+
+#endif /* HB_OT_SHAPE_COMPLEX_KHMER_PRIVATE_HH */
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 0e2ca88cb..304879d8f 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -24,105 +24,9 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#include "hb-ot-shape-complex-indic-private.hh"
+#include "hb-ot-shape-complex-khmer-private.hh"
 #include "hb-ot-layout-private.hh"
 
-/* buffer var allocations */
-#define khmer_category() indic_category() /* khmer_category_t */
-#define khmer_position() indic_position() /* khmer_position_t */
-
-
-/*
- * Khmer shaper.
- */
-
-typedef indic_category_t khmer_category_t;
-typedef indic_position_t khmer_position_t;
-
-
-static inline khmer_position_t
-matra_position_khmer (khmer_position_t side)
-{
-  switch ((int) side)
-  {
-    case POS_PRE_C:
-      return POS_PRE_M;
-
-    case POS_POST_C:
-    case POS_ABOVE_C:
-    case POS_BELOW_C:
-      return POS_AFTER_POST;
-
-    default:
-      return side;
-  };
-}
-
-static inline bool
-is_consonant_or_vowel (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, CONSONANT_FLAGS | FLAG (OT_V));
-}
-
-static inline bool
-is_coeng (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, FLAG (OT_Coeng));
-}
-
-static inline void
-set_khmer_properties (hb_glyph_info_t &info)
-{
-  hb_codepoint_t u = info.codepoint;
-  unsigned int type = hb_indic_get_categories (u);
-  khmer_category_t cat = (khmer_category_t) (type & 0x7Fu);
-  khmer_position_t pos = (khmer_position_t) (type >> 8);
-
-
-  /*
-   * Re-assign category
-   */
-
-  if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
-		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
-  {
-    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.
-     * https://github.com/roozbehp/unicode-data/issues/5 */
-    cat = OT_M;
-    pos = POS_ABOVE_C;
-  }
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u))) cat = OT_PLACEHOLDER;
-  else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
-
-
-  /*
-   * Re-assign position.
-   */
-
-  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
-  {
-    pos = POS_BASE_C;
-    if (u == 0x179Au)
-      cat = OT_Ra;
-  }
-  else if (cat == OT_M)
-  {
-    pos = matra_position_khmer (pos);
-  }
-  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_A) | FLAG (OT_Symbol))))
-  {
-    pos = POS_SMVD;
-  }
-
-  info.khmer_category() = cat;
-  info.khmer_position() = pos;
-}
-
-/*
- * Things above this line should ideally be moved to the Indic table itself.
- */
-
 
 /*
  * Khmer shaper.

From 507804479a81672ec0c089313adad9fa308d78fd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 21:46:28 -0800
Subject: [PATCH 1127/1326] [use] Add dump-use-data

---
 src/Makefile.am                        |  4 +++
 src/dump-use-data.cc                   | 38 ++++++++++++++++++++++++++
 src/gen-use-table.py                   |  2 +-
 src/hb-ot-shape-complex-use-private.hh |  2 +-
 src/hb-ot-shape-complex-use-table.cc   |  2 +-
 src/hb-ot-shape-complex-use.cc         |  4 +--
 6 files changed, 47 insertions(+), 5 deletions(-)
 create mode 100644 src/dump-use-data.cc

diff --git a/src/Makefile.am b/src/Makefile.am
index f90b2ac2f..1ccd8438d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -355,6 +355,7 @@ check_PROGRAMS += \
 	dump-indic-data \
 	dump-khmer-data \
 	dump-myanmar-data \
+	dump-use-data \
 	$(NULL)
 dump_indic_data_SOURCES = dump-indic-data.cc hb-ot-shape-complex-indic-table.cc
 dump_indic_data_CPPFLAGS = $(HBCFLAGS)
@@ -365,6 +366,9 @@ dump_khmer_data_LDADD = libharfbuzz.la $(HBLIBS)
 dump_myanmar_data_SOURCES = dump-myanmar-data.cc hb-ot-shape-complex-indic-table.cc
 dump_myanmar_data_CPPFLAGS = $(HBCFLAGS)
 dump_myanmar_data_LDADD = libharfbuzz.la $(HBLIBS)
+dump_use_data_SOURCES = dump-use-data.cc hb-ot-shape-complex-use-table.cc
+dump_use_data_CPPFLAGS = $(HBCFLAGS)
+dump_use_data_LDADD = libharfbuzz.la $(HBLIBS)
 
 check_PROGRAMS += test-ot-tag
 TESTS += test-ot-tag
diff --git a/src/dump-use-data.cc b/src/dump-use-data.cc
new file mode 100644
index 000000000..0e64688f1
--- /dev/null
+++ b/src/dump-use-data.cc
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-ot-shape-complex-use-private.hh"
+
+int
+main (void)
+{
+  for (hb_codepoint_t u = 0; u <= 0x10FFFF; u++)
+  {
+    unsigned int category = hb_use_get_category (u);
+    if (category != USE_O)
+      printf("U+%04X	%u\n", u, category);
+  }
+}
diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index 5391f27eb..06817255c 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -449,7 +449,7 @@ page_bits = 12
 print "}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy)
 print
 print "USE_TABLE_ELEMENT_TYPE"
-print "hb_use_get_categories (hb_codepoint_t u)"
+print "hb_use_get_category (hb_codepoint_t u)"
 print "{"
 print "  switch (u >> %d)" % page_bits
 print "  {"
diff --git a/src/hb-ot-shape-complex-use-private.hh b/src/hb-ot-shape-complex-use-private.hh
index 3e763ae39..f7ded133d 100644
--- a/src/hb-ot-shape-complex-use-private.hh
+++ b/src/hb-ot-shape-complex-use-private.hh
@@ -92,6 +92,6 @@ enum use_category_t {
 };
 
 HB_INTERNAL USE_TABLE_ELEMENT_TYPE
-hb_use_get_categories (hb_codepoint_t u);
+hb_use_get_category (hb_codepoint_t u);
 
 #endif /* HB_OT_SHAPE_COMPLEX_USE_PRIVATE_HH */
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index a67ef0611..6823392f4 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -690,7 +690,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
 }; /* Table items: 5424; occupancy: 73% */
 
 USE_TABLE_ELEMENT_TYPE
-hb_use_get_categories (hb_codepoint_t u)
+hb_use_get_category (hb_codepoint_t u)
 {
   switch (u >> 12)
   {
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index 62acd697b..ee7653b51 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -262,7 +262,7 @@ setup_masks_use (const hb_ot_shape_plan_t *plan,
   unsigned int count = buffer->len;
   hb_glyph_info_t *info = buffer->info;
   for (unsigned int i = 0; i < count; i++)
-    info[i].use_category() = hb_use_get_categories (info[i].codepoint);
+    info[i].use_category() = hb_use_get_category (info[i].codepoint);
 }
 
 static void
@@ -505,7 +505,7 @@ insert_dotted_circles (const hb_ot_shape_plan_t *plan HB_UNUSED,
   hb_glyph_info_t dottedcircle = {0};
   if (!font->get_nominal_glyph (0x25CCu, &dottedcircle.codepoint))
     return;
-  dottedcircle.use_category() = hb_use_get_categories (0x25CC);
+  dottedcircle.use_category() = hb_use_get_category (0x25CC);
 
   buffer->clear_output ();
 

From 9046e924421869bf167b52cd394e868796091f62 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 22:07:12 -0800
Subject: [PATCH 1128/1326] [subset] Rename constructor to
 hb_subset_input_create_or_fail()

To signify that unlike rest of library, returns nullptr on failure.
---
 src/hb-subset-input.cc      | 6 ++----
 src/hb-subset.h             | 2 +-
 test/api/test-subset-glyf.c | 3 ++-
 test/api/test-subset.c      | 7 +++++--
 util/hb-subset.cc           | 2 +-
 5 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/hb-subset-input.cc b/src/hb-subset-input.cc
index 75c016843..d41cff601 100644
--- a/src/hb-subset-input.cc
+++ b/src/hb-subset-input.cc
@@ -29,19 +29,17 @@
 #include "hb-set-private.hh"
 
 /**
- * hb_subset_input_create:
+ * hb_subset_input_create_or_fail:
  *
  * Return value: New subset input.
  *
  * Since: 1.8.0
  **/
 hb_subset_input_t *
-hb_subset_input_create (void)
+hb_subset_input_create_or_fail (void)
 {
   hb_subset_input_t *input = hb_object_create<hb_subset_input_t>();
 
-  /* Unlike libharfbuzz, in this lib we return nullptr
-   * in case of allocation failure. */
   if (unlikely (!input))
     return nullptr;
 
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 81e11fe65..de7759b22 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -54,7 +54,7 @@ hb_subset_profile_destroy (hb_subset_profile_t *profile);
 typedef struct hb_subset_input_t hb_subset_input_t;
 
 HB_EXTERN hb_subset_input_t *
-hb_subset_input_create (void);
+hb_subset_input_create_or_fail (void);
 
 HB_EXTERN hb_subset_input_t *
 hb_subset_input_reference (hb_subset_input_t *subset_input);
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 014f24338..62af9399f 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -95,9 +95,10 @@ test_subset_glyf (void)
   hb_blob_t *glyf_expected_blob;
   hb_blob_t *glyf_actual_blob;
   hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create ();
+  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
   hb_set_t *codepoints = hb_set_reference (hb_subset_input_unicode_set (input));
 
+  g_assert (input);
   g_assert (face_abc);
   g_assert (face_ac);
 
diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index 44eba1581..68c001347 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -43,12 +43,15 @@ test_subset (void)
   hb_face_t *face = hb_face_create(font_blob, 0);
 
   hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create ();
+  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
 
   hb_face_t *out_face = hb_subset(face, profile, input);
+  hb_blob_t *output;
+
+  g_assert (input);
   g_assert(out_face);
   g_assert(out_face != hb_face_get_empty ());
-  hb_blob_t *output = hb_face_reference_blob (out_face);
+  output = hb_face_reference_blob (out_face);
 
   unsigned int output_length;
   const char *output_data = hb_blob_get_data(output, &output_length);
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 16abd14d5..ea657affe 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -43,7 +43,7 @@ struct subset_consumer_t
              const font_options_t *font_opts)
   {
     font = hb_font_reference (font_opts->get_font ());
-    input = hb_subset_input_create ();
+    input = hb_subset_input_create_or_fail ();
   }
 
   void consume_line (const char   *text,

From a989f3edec5864d5de8b217aa595c962d8fc4b0a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 22:12:36 -0800
Subject: [PATCH 1129/1326] Add hb_blob_copy_writable_or_fail()

New API:
- hb_blob_copy_writable_or_fail()
---
 docs/harfbuzz-sections.txt |  1 +
 src/hb-blob.cc             | 25 +++++++++++++++++++++++++
 src/hb-blob.h              |  3 +++
 3 files changed, 29 insertions(+)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index a9b4d53eb..5df33a816 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -9,6 +9,7 @@ HB_EXTERN
 <FILE>hb-blob</FILE>
 hb_blob_create
 hb_blob_create_sub_blob
+hb_blob_copy_writable_or_fail
 hb_blob_destroy
 hb_blob_get_data
 hb_blob_get_data_writable
diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index 804601258..b5291f650 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -170,6 +170,31 @@ hb_blob_create_sub_blob (hb_blob_t    *parent,
   return blob;
 }
 
+/**
+ * hb_blob_copy_writable_or_fail:
+ * @blob: A blob.
+ *
+ * Makes a writable copy of @blob.
+ *
+ * Return value: New blob, or nullptr if allocation failed.
+ *
+ * Since: 1.8.0
+ **/
+hb_blob_t *
+hb_blob_copy_writable_or_fail (hb_blob_t *blob)
+{
+  blob = hb_blob_create (blob->data,
+			 blob->length,
+			 HB_MEMORY_MODE_DUPLICATE,
+			 nullptr,
+			 nullptr);
+
+  if (unlikely (blob == hb_blob_get_empty ()))
+    blob = nullptr;
+
+  return blob;
+}
+
 /**
  * hb_blob_get_empty:
  *
diff --git a/src/hb-blob.h b/src/hb-blob.h
index 53682d3eb..fd561f738 100644
--- a/src/hb-blob.h
+++ b/src/hb-blob.h
@@ -82,6 +82,9 @@ hb_blob_create_sub_blob (hb_blob_t    *parent,
 			 unsigned int  offset,
 			 unsigned int  length);
 
+HB_EXTERN hb_blob_t *
+hb_blob_copy_writable_or_fail (hb_blob_t *blob);
+
 HB_EXTERN hb_blob_t *
 hb_blob_get_empty (void);
 

From fe3bc524bd4f93bd67c13ed402720a13dd3484d3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 13 Feb 2018 23:51:45 -0800
Subject: [PATCH 1130/1326] [set] Allow starting iteration from a non-member of
 the set

---
 src/hb-set-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index d71d41224..459634872 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -471,7 +471,7 @@ struct hb_set_t
     page_map_t map = {get_major (*codepoint), 0};
     unsigned int i;
     page_map.bfind (map, &i);
-    if (i < page_map.len)
+    if (i < page_map.len && page_map[i].major == map.major)
     {
       if (pages[page_map[i].index].next (codepoint))
       {

From 694eaf636713b8d0bbe13f38c2553b1a2f3d2d3a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 01:00:10 -0800
Subject: [PATCH 1131/1326] [set] Add backwards iterator

New API:
- hb_set_previous()
- hb_set_previous_range()
---
 docs/harfbuzz-sections.txt |  2 +
 src/hb-set-private.hh      | 79 +++++++++++++++++++++++++++++++++++++-
 src/hb-set.cc              | 49 ++++++++++++++++++++++-
 src/hb-set.h               | 19 +++++++--
 test/api/test-set.c        | 53 ++++++++++++++++++++++++-
 5 files changed, 194 insertions(+), 8 deletions(-)

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 5df33a816..91faa0b75 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -528,7 +528,9 @@ hb_set_intersect
 hb_set_is_empty
 hb_set_is_equal
 hb_set_next
+hb_set_previous
 hb_set_next_range
+hb_set_previous_range
 hb_set_reference
 hb_set_set
 hb_set_set_user_data
diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 459634872..7282b0799 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -121,6 +121,33 @@ struct hb_set_t
       *codepoint = INVALID;
       return false;
 
+    found:
+      *codepoint = i * ELT_BITS + j;
+      return true;
+    }
+    inline bool previous (hb_codepoint_t *codepoint) const
+    {
+      unsigned int m = (*codepoint - 1) & MASK;
+      if (m == MASK)
+      {
+	*codepoint = INVALID;
+	return false;
+      }
+      unsigned int i = m / ELT_BITS;
+      unsigned int j = m & ELT_MASK;
+
+      for (; (int) j >= 0; j--)
+        if (v[i] & (elt_t (1) << j))
+	  goto found;
+      for (i--; (int) i >= 0; i--)
+        if (v[i])
+	  for (j = ELT_BITS - 1; (int) j >= 0; j--)
+	    if (v[i] & (elt_t (1) << j))
+	      goto found;
+
+      *codepoint = INVALID;
+      return false;
+
     found:
       *codepoint = i * ELT_BITS + j;
       return true;
@@ -476,7 +503,7 @@ struct hb_set_t
       if (pages[page_map[i].index].next (codepoint))
       {
 	*codepoint += page_map[i].major * page_t::PAGE_BITS;
-        return true;
+	return true;
       }
       i++;
     }
@@ -492,6 +519,37 @@ struct hb_set_t
     *codepoint = INVALID;
     return false;
   }
+  inline bool previous (hb_codepoint_t *codepoint) const
+  {
+    if (unlikely (*codepoint == INVALID)) {
+      *codepoint = get_max ();
+      return *codepoint != INVALID;
+    }
+
+    page_map_t map = {get_major (*codepoint), 0};
+    unsigned int i;
+    page_map.bfind (map, &i);
+    if (i < page_map.len && page_map[i].major == map.major)
+    {
+      if (pages[page_map[i].index].previous (codepoint))
+      {
+	*codepoint += page_map[i].major * page_t::PAGE_BITS;
+	return true;
+      }
+    }
+    i--;
+    for (; (int) i >= 0; i--)
+    {
+      hb_codepoint_t m = pages[page_map[i].index].get_max ();
+      if (m != INVALID)
+      {
+	*codepoint = page_map[i].major * page_t::PAGE_BITS + m;
+	return true;
+      }
+    }
+    *codepoint = INVALID;
+    return false;
+  }
   inline bool next_range (hb_codepoint_t *first, hb_codepoint_t *last) const
   {
     hb_codepoint_t i;
@@ -503,12 +561,31 @@ struct hb_set_t
       return false;
     }
 
+    /* TODO Speed up. */
     *last = *first = i;
     while (next (&i) && i == *last + 1)
       (*last)++;
 
     return true;
   }
+  inline bool previous_range (hb_codepoint_t *first, hb_codepoint_t *last) const
+  {
+    hb_codepoint_t i;
+
+    i = *first;
+    if (!previous (&i))
+    {
+      *last = *first = INVALID;
+      return false;
+    }
+
+    /* TODO Speed up. */
+    *last = *first = i;
+    while (previous (&i) && i == *first - 1)
+      (*first)--;
+
+    return true;
+  }
 
   inline unsigned int get_population (void) const
   {
diff --git a/src/hb-set.cc b/src/hb-set.cc
index f3b864c12..07cf9d09b 100644
--- a/src/hb-set.cc
+++ b/src/hb-set.cc
@@ -437,7 +437,9 @@ hb_set_get_max (const hb_set_t *set)
  * @set: a set.
  * @codepoint: (inout):
  *
- * 
+ * Gets the next number in @set that is greater than current value of @codepoint.
+ *
+ * Set @codepoint to %HB_SET_VALUE_INVALID to get started.
  *
  * Return value: whether there was a next value.
  *
@@ -450,6 +452,26 @@ hb_set_next (const hb_set_t *set,
   return set->next (codepoint);
 }
 
+/**
+ * hb_set_previous:
+ * @set: a set.
+ * @codepoint: (inout):
+ *
+ * Gets the previous number in @set that is slower than current value of @codepoint.
+ *
+ * Set @codepoint to %HB_SET_VALUE_INVALID to get started.
+ *
+ * Return value: whether there was a previous value.
+ *
+ * Since: 1.8.0
+ **/
+hb_bool_t
+hb_set_previous (const hb_set_t *set,
+		 hb_codepoint_t *codepoint)
+{
+  return set->previous (codepoint);
+}
+
 /**
  * hb_set_next_range:
  * @set: a set.
@@ -459,6 +481,8 @@ hb_set_next (const hb_set_t *set,
  * Gets the next consecutive range of numbers in @set that
  * are greater than current value of @last.
  *
+ * Set @last to %HB_SET_VALUE_INVALID to get started.
+ *
  * Return value: whether there was a next range.
  *
  * Since: 0.9.7
@@ -470,3 +494,26 @@ hb_set_next_range (const hb_set_t *set,
 {
   return set->next_range (first, last);
 }
+
+/**
+ * hb_set_previous_range:
+ * @set: a set.
+ * @first: (inout): input current first and output first codepoint in the range.
+ * @last: (out): output last codepoint in the range.
+ *
+ * Gets the previous consecutive range of numbers in @set that
+ * are greater than current value of @last.
+ *
+ * Set @first to %HB_SET_VALUE_INVALID to get started.
+ *
+ * Return value: whether there was a previous range.
+ *
+ * Since: 1.8.0
+ **/
+hb_bool_t
+hb_set_previous_range (const hb_set_t *set,
+		       hb_codepoint_t *first,
+		       hb_codepoint_t *last)
+{
+  return set->previous_range (first, last);
+}
diff --git a/src/hb-set.h b/src/hb-set.h
index 2ce406073..b0f82f822 100644
--- a/src/hb-set.h
+++ b/src/hb-set.h
@@ -129,25 +129,36 @@ hb_set_symmetric_difference (hb_set_t       *set,
 HB_EXTERN unsigned int
 hb_set_get_population (const hb_set_t *set);
 
-/* Returns -1 if set empty. */
+/* Returns HB_SET_VALUE_INVALID if set empty. */
 HB_EXTERN hb_codepoint_t
 hb_set_get_min (const hb_set_t *set);
 
-/* Returns -1 if set empty. */
+/* Returns HB_SET_VALUE_INVALID if set empty. */
 HB_EXTERN hb_codepoint_t
 hb_set_get_max (const hb_set_t *set);
 
-/* Pass -1 in to get started. */
+/* Pass HB_SET_VALUE_INVALID in to get started. */
 HB_EXTERN hb_bool_t
 hb_set_next (const hb_set_t *set,
 	     hb_codepoint_t *codepoint);
 
-/* Pass -1 for first and last to get started. */
+/* Pass HB_SET_VALUE_INVALID in to get started. */
+HB_EXTERN hb_bool_t
+hb_set_previous (const hb_set_t *set,
+		 hb_codepoint_t *codepoint);
+
+/* Pass HB_SET_VALUE_INVALID for first and last to get started. */
 HB_EXTERN hb_bool_t
 hb_set_next_range (const hb_set_t *set,
 		   hb_codepoint_t *first,
 		   hb_codepoint_t *last);
 
+/* Pass HB_SET_VALUE_INVALID for first and last to get started. */
+HB_EXTERN hb_bool_t
+hb_set_previous_range (const hb_set_t *set,
+		       hb_codepoint_t *first,
+		       hb_codepoint_t *last);
+
 
 HB_END_DECLS
 
diff --git a/test/api/test-set.c b/test/api/test-set.c
index bbea2cf5a..60e11d981 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -32,25 +32,33 @@
 static void
 test_empty (hb_set_t *s)
 {
-  hb_codepoint_t next = HB_SET_VALUE_INVALID;
+  hb_codepoint_t next;
   g_assert_cmpint (hb_set_get_population (s), ==, 0);
   g_assert_cmpint (hb_set_get_min (s), ==, HB_SET_VALUE_INVALID);
   g_assert_cmpint (hb_set_get_max (s), ==, HB_SET_VALUE_INVALID);
   g_assert (!hb_set_has (s, 13));
+  next = 53043;
   g_assert (!hb_set_next (s, &next));
   g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
+  next = 07734;
+  g_assert (!hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
   g_assert (hb_set_is_empty (s));
 }
 
 static void
 test_not_empty (hb_set_t *s)
 {
-  hb_codepoint_t next = HB_SET_VALUE_INVALID;
+  hb_codepoint_t next;
   g_assert_cmpint (hb_set_get_population (s), !=, 0);
   g_assert_cmpint (hb_set_get_min (s), !=, HB_SET_VALUE_INVALID);
   g_assert_cmpint (hb_set_get_max (s), !=, HB_SET_VALUE_INVALID);
+  next = HB_SET_VALUE_INVALID;
   g_assert (hb_set_next (s, &next));
   g_assert_cmpint (next, !=, HB_SET_VALUE_INVALID);
+  next = HB_SET_VALUE_INVALID;
+  g_assert (hb_set_previous (s, &next));
+  g_assert_cmpint (next, !=, HB_SET_VALUE_INVALID);
 }
 
 static void
@@ -271,6 +279,27 @@ test_set_iter (void)
   g_assert (!hb_set_next (s, &next));
   g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
 
+  next = HB_SET_VALUE_INVALID;
+  g_assert (hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, 20005);
+  g_assert (hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, 1200);
+  g_assert (hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, 1100);
+  g_assert (hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, 15);
+  g_assert (hb_set_previous (s, &next));
+  g_assert (hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, 13);
+  g_assert (hb_set_previous (s, &next));
+  g_assert (hb_set_previous (s, &next));
+  g_assert (hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, 10);
+  g_assert (hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, 6);
+  g_assert (!hb_set_previous (s, &next));
+  g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
+
   first = last = HB_SET_VALUE_INVALID;
   g_assert (hb_set_next_range (s, &first, &last));
   g_assert_cmpint (first, ==, 6);
@@ -291,6 +320,26 @@ test_set_iter (void)
   g_assert_cmpint (first, ==, HB_SET_VALUE_INVALID);
   g_assert_cmpint (last,  ==, HB_SET_VALUE_INVALID);
 
+  first = last = HB_SET_VALUE_INVALID;
+  g_assert (hb_set_previous_range (s, &first, &last));
+  g_assert_cmpint (first, ==, 20005);
+  g_assert_cmpint (last,  ==, 20005);
+  g_assert (hb_set_previous_range (s, &first, &last));
+  g_assert_cmpint (first, ==, 1200);
+  g_assert_cmpint (last,  ==, 1200);
+  g_assert (hb_set_previous_range (s, &first, &last));
+  g_assert_cmpint (first, ==, 1100);
+  g_assert_cmpint (last,  ==, 1100);
+  g_assert (hb_set_previous_range (s, &first, &last));
+  g_assert_cmpint (first, ==, 10);
+  g_assert_cmpint (last,  ==, 15);
+  g_assert (hb_set_previous_range (s, &first, &last));
+  g_assert_cmpint (first, ==, 6);
+  g_assert_cmpint (last,  ==, 6);
+  g_assert (!hb_set_previous_range (s, &first, &last));
+  g_assert_cmpint (first, ==, HB_SET_VALUE_INVALID);
+  g_assert_cmpint (last,  ==, HB_SET_VALUE_INVALID);
+
   hb_set_destroy (s);
 }
 

From 109314cb55e6d95d5c3a87b9ed1ba4e74a880078 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Wed, 14 Feb 2018 21:05:11 +0330
Subject: [PATCH 1132/1326] Another attempt on fixing the tests on Travis
 (#788)

---
 src/Makefile.am | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 1ccd8438d..3b18ebd3e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -37,7 +37,7 @@ HBNOLIBCXXCFLAGS =
 else
 # Make sure we don't link to libstdc++
 # No threadsafe statics in C++ as we do it ourselves
-HBNOLIBCXXFLAGS = -fno-rtti -fno-exceptions
+HBNOLIBCXXFLAGS = -fno-threadsafe-statics -fno-rtti -fno-exceptions
 HBLIBCXXFLAGS = -fno-threadsafe-statics
 endif
 
@@ -158,7 +158,7 @@ EXTRA_DIST += harfbuzz.pc.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
-libharfbuzz_subset_la_CPPFLAGS = $(HBCFLAGS)
+libharfbuzz_subset_la_CPPFLAGS = $(HBCFLAGS) $(HBNOLIBCXXFLAGS)
 libharfbuzz_subset_la_LDFLAGS = $(base_link_flags) $(export_symbols_subset)
 libharfbuzz_subset_la_LIBADD = libharfbuzz.la
 EXTRA_libharfbuzz_subset_la_DEPENDENCIES = $(harfbuzz_subset_def_dependency)

From 24904383df03c472c865bd97bfe844f5e86a7172 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 17:31:01 -0800
Subject: [PATCH 1133/1326] [subset] Correct usFirstCharIndex and
 usLastCharIndex in OS2 table when subsetting.

---
 src/hb-ot-os2-table.hh | 45 ++++++++++++++++++++++++++++++++++++++++++
 src/hb-subset.cc       | 16 +++++++++------
 2 files changed, 55 insertions(+), 6 deletions(-)

diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 5bed47013..f80a05d70 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -49,6 +49,51 @@ struct os2
     return_trace (c->check_struct (this));
   }
 
+  inline hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
+  {
+    hb_blob_t *os2_blob = OT::Sanitizer<OT::os2>().sanitize (hb_face_reference_table (source, HB_OT_TAG_os2));
+    hb_blob_t *os2_prime_blob = hb_blob_create_sub_blob (os2_blob, 0, -1);
+    hb_blob_destroy (os2_blob);
+
+    OT::os2 *os2_prime = (OT::os2 *) hb_blob_get_data_writable (os2_prime_blob, nullptr);
+    if (unlikely (!os2_prime)) {
+      hb_blob_destroy (os2_prime_blob);
+      return nullptr;
+    }
+
+    uint16_t min_cp, max_cp;
+    find_min_and_max_codepoint (plan, &min_cp, &max_cp);
+    os2_prime->usFirstCharIndex.set (min_cp);
+    os2_prime->usLastCharIndex.set (max_cp);
+
+    return os2_prime_blob;
+  }
+
+  static inline void find_min_and_max_codepoint (hb_subset_plan_t *plan,
+                                                 uint16_t         *min_cp, /* OUT */
+                                                 uint16_t         *max_cp  /* OUT */)
+  {
+    hb_codepoint_t min = -1, max = 0;
+
+    for (int i = 0; i < plan->codepoints.len; i++) {
+      hb_codepoint_t cp = plan->codepoints[i];
+      if (cp < min) {
+        min = cp;
+      }
+      if (cp > max) {
+        max = cp;
+      }
+    }
+
+    if (min > 0xFFFF)
+      min = 0xFFFF;
+    if (max > 0xFFFF)
+      max = 0xFFFF;
+
+    *min_cp = min;
+    *max_cp = max;
+  }
+
   public:
   HBUINT16	version;
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index e91d78000..15730bf5a 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -38,6 +38,7 @@
 #include "hb-ot-glyf-table.hh"
 #include "hb-ot-head-table.hh"
 #include "hb-ot-maxp-table.hh"
+#include "hb-ot-os2-table.hh"
 
 
 #ifndef HB_NO_VISIBILITY
@@ -349,6 +350,9 @@ _subset_table (hb_subset_plan_t *plan,
     case HB_OT_TAG_cmap:
       dest_blob = _subset<const OT::cmap> (plan, source);
       break;
+    case HB_OT_TAG_os2:
+      dest_blob = _subset<const OT::os2> (plan, source);
+      break;
     default:
       dest_blob = source_blob;
       break;
@@ -360,17 +364,17 @@ _subset_table (hb_subset_plan_t *plan,
 }
 
 static bool
-_should_drop_table(hb_tag_t tag) 
+_should_drop_table(hb_tag_t tag)
 {
     switch (tag) {
-      case HB_TAG('G', 'D', 'E', 'F'): /* temporary */
-      case HB_TAG('G', 'P', 'O', 'S'): /* temporary */
-      case HB_TAG('G', 'S', 'U', 'B'): /* temporary */
-      case HB_TAG('d', 's', 'i', 'g'):
+      case HB_TAG ('G', 'D', 'E', 'F'): /* temporary */
+      case HB_TAG ('G', 'P', 'O', 'S'): /* temporary */
+      case HB_TAG ('G', 'S', 'U', 'B'): /* temporary */
+      case HB_TAG ('d', 's', 'i', 'g'):
         return true;
       default:
         return false;
-  } 
+  }
 }
 
 /**

From 343dfe89655683966836e44afb4fd32c47377844 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 17:33:48 -0800
Subject: [PATCH 1134/1326] [subset] white and add inline in hb-ot-cmap-table.

---
 src/hb-ot-cmap-table.hh | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 5ac970612..a27a80048 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -556,9 +556,9 @@ struct cmap
     return true;
   }
 
-  hb_bool_t _subset (hb_prealloced_array_t<CmapSubtableLongGroup> &groups,
-                     size_t dest_sz,
-                     void *dest) const
+  inline hb_bool_t _subset (hb_prealloced_array_t<CmapSubtableLongGroup> &groups,
+                            size_t dest_sz,
+                            void *dest) const
   {
     hb_serialize_context_t context(dest, dest_sz);
 
@@ -605,7 +605,7 @@ struct cmap
     return true;
   }
 
-  hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
+  inline hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
   {
     hb_auto_array_t<CmapSubtableLongGroup> groups;
 
@@ -633,11 +633,11 @@ struct cmap
     }
 
     // all done, write the blob into dest
-    return hb_blob_create((const char *)dest, 
-                          dest_sz,
-                          HB_MEMORY_MODE_READONLY,
-                          /* userdata */ nullptr,
-                          free);
+    return hb_blob_create ((const char *)dest,
+                           dest_sz,
+                           HB_MEMORY_MODE_READONLY,
+                           /* userdata */ nullptr,
+                           free);
   }
 
   struct accelerator_t

From 865b6971ad5c2ec4bc33c36a78a36b90da5f5543 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 17:42:20 -0800
Subject: [PATCH 1135/1326] [subset] Add a test for OS/2 fixes during
 subsetting.

---
 test/api/Makefile.am                |   2 +
 test/api/fonts/Roboto-Regular.b.ttf | Bin 0 -> 1996 bytes
 test/api/test-subset-os2.c          |  59 ++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+)
 create mode 100644 test/api/fonts/Roboto-Regular.b.ttf
 create mode 100644 test/api/test-subset-os2.c

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 918bfb0e9..071264e1b 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -31,6 +31,7 @@ TEST_PROGS = \
 	test-shape \
 	test-subset-cmap \
 	test-subset-glyf \
+	test-subset-os2 \
 	test-unicode \
 	test-version \
 	$(NULL)
@@ -38,6 +39,7 @@ TEST_PROGS = \
 test_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_cmap_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_glyf_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
+test_subset_os2_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 
 test_unicode_CPPFLAGS = \
 	$(AM_CPPFLAGS) \
diff --git a/test/api/fonts/Roboto-Regular.b.ttf b/test/api/fonts/Roboto-Regular.b.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..8e44886f1f31dba3004b2ef0bff3d3afda4c22b4
GIT binary patch
literal 1996
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literal 0
HcmV?d00001

diff --git a/test/api/test-subset-os2.c b/test/api/test-subset-os2.c
new file mode 100644
index 000000000..e2b96f92a
--- /dev/null
+++ b/test/api/test-subset-os2.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include <stdbool.h>
+
+#include "hb-test.h"
+#include "hb-subset-test.h"
+
+static void
+test_subset_os2 (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
+  hb_face_t *face_b = hb_subset_test_open_font("fonts/Roboto-Regular.b.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 98);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_b, face_abc_subset, HB_TAG ('O','S','/','2'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_b);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_subset_os2);
+
+  return hb_test_run();
+}

From df6d780355d7da805a9b9033452f8814c5360bba Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 17:56:17 -0800
Subject: [PATCH 1136/1326] [subset] Extract maxp subsetting into
 hb-ot-maxp-table.

---
 src/hb-ot-maxp-table.hh     | 19 ++++++++++++++++++-
 src/hb-subset.cc            | 28 ++--------------------------
 test/api/test-subset-glyf.c |  5 +++--
 3 files changed, 23 insertions(+), 29 deletions(-)

diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index fb2209c40..52b9388db 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -28,7 +28,7 @@
 #define HB_OT_MAXP_TABLE_HH
 
 #include "hb-open-type-private.hh"
-
+#include "hb-subset-plan.hh"
 
 namespace OT {
 
@@ -61,6 +61,23 @@ struct maxp
 			  (version.major == 0 && version.minor == 0x5000u)));
   }
 
+  inline hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
+  {
+    hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (source, HB_OT_TAG_maxp));
+    hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);
+    hb_blob_destroy (maxp_blob);
+
+    OT::maxp *maxp_prime = (OT::maxp *) hb_blob_get_data_writable (maxp_prime_blob, nullptr);
+    if (unlikely (!maxp_prime)) {
+      hb_blob_destroy (maxp_prime_blob);
+      return nullptr;
+    }
+
+    maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);
+
+    return maxp_prime_blob;
+  }
+
   /* We only implement version 0.5 as none of the extra fields in version 1.0 are useful. */
   protected:
   FixedVersion<>version;		/* Version of the maxp table (0.5 or 1.0),
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 15730bf5a..dda9f3e94 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -279,31 +279,6 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
   return has_head;
 }
 
-static bool
-_add_maxp_and_set_glyph_count (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
-{
-  hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (source, HB_OT_TAG_maxp));
-  const OT::maxp *maxp = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob);
-  bool has_maxp = (maxp != nullptr);
-  if (has_maxp) {
-    unsigned int length = hb_blob_get_length (maxp_blob);
-    OT::maxp *maxp_prime = (OT::maxp *) calloc (length, 1);
-    memcpy (maxp_prime, maxp, length);
-    maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);
-
-    hb_blob_t *maxp_prime_blob = hb_blob_create ((const char*) maxp_prime,
-                                                 length,
-                                                 HB_MEMORY_MODE_READONLY,
-                                                 maxp_prime,
-                                                 free);
-    has_maxp = hb_subset_face_add_table (dest, HB_OT_TAG_maxp, maxp_prime_blob);
-    hb_blob_destroy (maxp_prime_blob);
-  }
-
-  hb_blob_destroy (maxp_blob);
-  return has_maxp;
-}
-
 static bool
 _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 {
@@ -343,7 +318,8 @@ _subset_table (hb_subset_plan_t *plan,
       // SKIP head, it's handled by glyf
       return true;
     case HB_OT_TAG_maxp:
-      return _add_maxp_and_set_glyph_count (plan, source, dest);
+      dest_blob = _subset<const OT::maxp> (plan, source);
+      break;
     case HB_OT_TAG_loca:
       // SKIP loca, it's handle by glyf
       return true;
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 8db053c7e..3c9d8fe9f 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -34,8 +34,8 @@
 static void
 test_subset_glyf (void)
 {
-  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");  
-  hb_face_t *face_ac = hb_subset_test_open_font("fonts/Roboto-Regular.ac.ttf");
+  hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Roboto-Regular.abc.ttf");
+  hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.ttf");
 
   hb_set_t *codepoints = hb_set_create();
   hb_set_add (codepoints, 97);
@@ -45,6 +45,7 @@ test_subset_glyf (void)
 
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('m','a','x', 'p'));
 
   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);

From 89f17e3965ba776565f2de2bf56a4b135f336e53 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 18:14:50 -0800
Subject: [PATCH 1137/1326] [subset] capitalize dsig.

---
 src/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index dda9f3e94..3851977e1 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -346,7 +346,7 @@ _should_drop_table(hb_tag_t tag)
       case HB_TAG ('G', 'D', 'E', 'F'): /* temporary */
       case HB_TAG ('G', 'P', 'O', 'S'): /* temporary */
       case HB_TAG ('G', 'S', 'U', 'B'): /* temporary */
-      case HB_TAG ('d', 's', 'i', 'g'):
+      case HB_TAG ('D', 'S', 'I', 'G'):
         return true;
       default:
         return false;

From b0eefacf4cb885f510f9551bf2e9216808ca61e8 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 12 Feb 2018 18:15:58 -0800
Subject: [PATCH 1138/1326] [subset] Drop GSUB, GDEF, GPOS, and DSIG from
 subsetter expected test outputs.

---
 .../basics/Roboto-Regular.abc.default.62.ttf  | Bin 2460 -> 1740 bytes
 test/subset/generate-expected-outputs.py      |   1 +
 2 files changed, 1 insertion(+)

diff --git a/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf b/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf
index 9d791f7fc5ba42bb66504843d5841f2b180beef7..52706dc90320133d24a0a6c3109b9d1ef1bf8ec7 100644
GIT binary patch
delta 375
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NkDh1ixb2G<{tx+nR0jY6

delta 1124
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zR&m4^P(ei{6+t@@5mr&=P3)9eVf!!{n;Vp|59?rl@`Fmp92;ZI()iq)Y?&WCfpgFA
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z&XzFLUHt3V&!6r%djCsx@>}}T>>DlO6l%}|hfM%oAr2mdv&8!_&6bs7x$2Gi9#mwX
zvKCJahWHUqh|SoN4RV!<*|mJ7ph3@`;Hpb<IYfuU0c0n5<5Im)pbA={P`Fg8T4A-v
zLVGXj(CDn+l!UJY>!oo^hrJfinbA+McTP4dw}Pmc=SDL+Aa<^Krw4w0?_fXteS?Xe
z@b_!!0r=^)(xU!${LaMS06n8(CL^C!kCBDb9kn7`sn%|hn!Rilh47LbOH}z>EM_%w
VQ=#w+qJp-lpe-u+pQ!(Jc@8Jq`zinc

diff --git a/test/subset/generate-expected-outputs.py b/test/subset/generate-expected-outputs.py
index f6636de7e..6dac890ec 100755
--- a/test/subset/generate-expected-outputs.py
+++ b/test/subset/generate-expected-outputs.py
@@ -18,6 +18,7 @@ def usage():
 def generate_expected_output(input_file, unicodes, output_path):
 	check_call(["fonttools", "subset",
 							input_file,
+							"--drop-tables+=DSIG,GPOS,GSUB,GDEF",
 							"--unicodes=%s" % unicodes,
 							"--output-file=%s" % output_path])
 

From a0fe3011bafbe36e7d5810acc7df21bea08c802a Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 10:52:41 -0800
Subject: [PATCH 1139/1326] copy all cmap groups at once

---
 src/hb-ot-cmap-table.hh | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index a27a80048..c3f242db0 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -272,17 +272,12 @@ struct CmapSubtableLongSegmented
   }
 
   inline bool serialize(hb_serialize_context_t *context,
-                        unsigned int group_count,
-                        Supplier<CmapSubtableLongGroup> &group_supplier)
+                        hb_prealloced_array_t<CmapSubtableLongGroup> &group_data)
   {
     TRACE_SERIALIZE (this);
     if (unlikely(!context->extend_min (*this))) return_trace (false);
-    if (unlikely(!groups.serialize(context, group_count))) return_trace (false);
-    for (unsigned int i = 0; i < group_count; i++)
-    {
-      const CmapSubtableLongGroup &group = group_supplier[i];
-      memcpy(&groups[i], &group, sizeof(group));
-    }
+    if (unlikely(!groups.serialize(context, group_data.len))) return_trace (false);
+    memcpy(&groups[0], &group_data[0], group_data.len * sizeof(CmapSubtableLongGroup));
     return true;
   }
 
@@ -594,8 +589,7 @@ struct cmap
     format12.reservedZ.set(0);
     format12.lengthZ.set(16 + 12 * groups.len);
 
-    OT::Supplier<CmapSubtableLongGroup> group_supplier  (&groups[0], groups.len, sizeof (CmapSubtableLongGroup));
-    if (unlikely(!format12.serialize(&context, groups.len, group_supplier)))
+    if (unlikely(!format12.serialize(&context, groups)))
     {
       return false;
     }

From d594f947b68ad36d32ce107847f5f02ec3528076 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 10:55:25 -0800
Subject: [PATCH 1140/1326] [subset] Allow linking to libstdc++

We want to use it.
---
 src/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 3b18ebd3e..a451acff8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -158,7 +158,7 @@ EXTRA_DIST += harfbuzz.pc.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
-libharfbuzz_subset_la_CPPFLAGS = $(HBCFLAGS) $(HBNOLIBCXXFLAGS)
+libharfbuzz_subset_la_CPPFLAGS = $(HBCFLAGS) $(HBLIBCXXFLAGS)
 libharfbuzz_subset_la_LDFLAGS = $(base_link_flags) $(export_symbols_subset)
 libharfbuzz_subset_la_LIBADD = libharfbuzz.la
 EXTRA_libharfbuzz_subset_la_DEPENDENCIES = $(harfbuzz_subset_def_dependency)

From 8c3612af650e4c8e01a9fdc127342b07b5c77962 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 10:57:34 -0800
Subject: [PATCH 1141/1326] Tweak Makefile some more

---
 src/Makefile.am | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index a451acff8..dea2dc912 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -37,8 +37,8 @@ HBNOLIBCXXCFLAGS =
 else
 # Make sure we don't link to libstdc++
 # No threadsafe statics in C++ as we do it ourselves
-HBNOLIBCXXFLAGS = -fno-threadsafe-statics -fno-rtti -fno-exceptions
-HBLIBCXXFLAGS = -fno-threadsafe-statics
+HBCFLAGS += -fno-threadsafe-statics
+HBNOLIBCXXFLAGS = -fno-rtti -fno-exceptions
 endif
 
 if HAVE_OT
@@ -158,7 +158,7 @@ EXTRA_DIST += harfbuzz.pc.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
-libharfbuzz_subset_la_CPPFLAGS = $(HBCFLAGS) $(HBLIBCXXFLAGS)
+libharfbuzz_subset_la_CPPFLAGS = $(HBCFLAGS)
 libharfbuzz_subset_la_LDFLAGS = $(base_link_flags) $(export_symbols_subset)
 libharfbuzz_subset_la_LIBADD = libharfbuzz.la
 EXTRA_libharfbuzz_subset_la_DEPENDENCIES = $(harfbuzz_subset_def_dependency)
@@ -180,7 +180,7 @@ FUZZING_CPPFLAGS = \
 EXTRA_LTLIBRARIES = libharfbuzz-fuzzing.la
 libharfbuzz_fuzzing_la_LINK = $(chosen_linker) $(libharfbuzz_fuzzing_la_LDFLAGS)
 libharfbuzz_fuzzing_la_SOURCES = $(libharfbuzz_la_SOURCES)
-libharfbuzz_fuzzing_la_CPPFLAGS = $(HBCFLAGS) $(HBLIBCXXFLAGS) $(FUZZING_CPPFLAGS)
+libharfbuzz_fuzzing_la_CPPFLAGS = $(HBCFLAGS) $(FUZZING_CPPFLAGS)
 libharfbuzz_fuzzing_la_LDFLAGS = $(AM_LDFLAGS)
 libharfbuzz_fuzzing_la_LIBADD = $(libharfbuzz_la_LIBADD)
 EXTRA_libharfbuzz_fuzzing_la_DEPENDENCIES = $(EXTRA_libharfbuzz_la_DEPENDENCIES)
@@ -195,7 +195,7 @@ HBHEADERS += $(HB_ICU_headers)
 else
 lib_LTLIBRARIES += libharfbuzz-icu.la
 libharfbuzz_icu_la_SOURCES = $(HB_ICU_sources)
-libharfbuzz_icu_la_CPPFLAGS = $(HBCFLAGS) $(HBLIBCXXFLAGS) $(ICU_CFLAGS)
+libharfbuzz_icu_la_CPPFLAGS = $(HBCFLAGS) $(ICU_CFLAGS)
 libharfbuzz_icu_la_LDFLAGS = $(base_link_flags) $(export_symbols_icu)
 libharfbuzz_icu_la_LIBADD = $(ICU_LIBS) libharfbuzz.la
 EXTRA_libharfbuzz_icu_la_DEPENDENCIES = $(harfbuzz_icu_def_dependency)

From f53627e19100df6eb7f32d58e7c4ce47a783f1a6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 10:59:22 -0800
Subject: [PATCH 1142/1326] [test] Fix warning

---
 test/api/test-subset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/api/test-subset.c b/test/api/test-subset.c
index 68c001347..8edbf1d29 100644
--- a/test/api/test-subset.c
+++ b/test/api/test-subset.c
@@ -38,6 +38,7 @@ static const char test_data[] = { 0, 1, 0, 0,	/* sfntVersion */
 static void
 test_subset (void)
 {
+  unsigned int output_length;
   hb_blob_t *font_blob = hb_blob_create(test_data, sizeof(test_data),
 					HB_MEMORY_MODE_READONLY, NULL, NULL);
   hb_face_t *face = hb_face_create(font_blob, 0);
@@ -53,7 +54,6 @@ test_subset (void)
   g_assert(out_face != hb_face_get_empty ());
   output = hb_face_reference_blob (out_face);
 
-  unsigned int output_length;
   const char *output_data = hb_blob_get_data(output, &output_length);
   g_assert_cmpmem (test_data, sizeof (test_data), output_data, output_length);
 

From 8b1dbbef1aec3b6880186070e7386a5553d67b15 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 14 Feb 2018 11:04:12 -0800
Subject: [PATCH 1143/1326] Fix compile error in hb-subset-test.

---
 test/api/hb-subset-test.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 2546b5e00..498329c2d 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -93,7 +93,14 @@ hb_subset_test_create_subset (hb_face_t *source,
                               hb_set_t  *codepoints)
 {
   hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create (codepoints);
+  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
+
+  hb_set_t * input_codepoints = hb_subset_input_unicode_set (input);
+  hb_codepoint_t codepoint;
+  while (hb_set_next (codepoints, &codepoint)) {
+    hb_set_add (input_codepoints, codepoint);
+  }
+
   hb_face_t *subset = hb_subset (source, profile, input);
   g_assert (subset);
 

From ccae99fdadcf86aeda15dc230a3ddcd6ff176533 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 11:12:09 -0800
Subject: [PATCH 1144/1326] Another try

---
 src/Makefile.am | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index dea2dc912..8288bd7f9 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -37,8 +37,8 @@ HBNOLIBCXXCFLAGS =
 else
 # Make sure we don't link to libstdc++
 # No threadsafe statics in C++ as we do it ourselves
-HBCFLAGS += -fno-threadsafe-statics
-HBNOLIBCXXFLAGS = -fno-rtti -fno-exceptions
+HBCFLAGS += -fno-threadsafe-statics -fno-exceptions
+HBNOLIBCXXFLAGS = -fno-rtti
 endif
 
 if HAVE_OT

From e5edcc81bf14311c56bd2f50808552076c3c4d77 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 14 Feb 2018 11:17:53 -0800
Subject: [PATCH 1145/1326] [subset] Fix codepoint iteration in hb-subset-test.

---
 test/api/hb-subset-test.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 498329c2d..efae17976 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -96,7 +96,7 @@ hb_subset_test_create_subset (hb_face_t *source,
   hb_subset_input_t *input = hb_subset_input_create_or_fail ();
 
   hb_set_t * input_codepoints = hb_subset_input_unicode_set (input);
-  hb_codepoint_t codepoint;
+  hb_codepoint_t codepoint = -1;
   while (hb_set_next (codepoints, &codepoint)) {
     hb_set_add (input_codepoints, codepoint);
   }

From 581996ea7976847b6356c9cc81b564f0c278f0f3 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 15 Feb 2018 00:43:46 +0330
Subject: [PATCH 1146/1326] Add .collect_logs and use it on CI bots, fixes #786
 (#789)

---
 .circleci/config.yml | 8 ++++----
 .collect_logs        | 6 ++++++
 .travis.yml          | 6 +++---
 appveyor.yml         | 2 +-
 4 files changed, 14 insertions(+), 8 deletions(-)
 create mode 100755 .collect_logs

diff --git a/.circleci/config.yml b/.circleci/config.yml
index c90ef4c4c..4788f0b0b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,7 +9,7 @@ jobs:
       - checkout
       - run: apt update && apt install -y ninja-build binutils libtool autoconf automake make cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev python python-pip
       - run: pip install fonttools
-      - run: ./autogen.sh && make distcheck && rm -rf harfbuzz-*
+      - run: ./autogen.sh && (make distcheck || (cd harfbuzz-* && ../.collect_logs && false)) && rm -rf harfbuzz-*
       - run: make distdir && cd harfbuzz-* && cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
   alpine:
@@ -19,7 +19,7 @@ jobs:
       - checkout
       - run: apk update && apk add ragel make pkgconfig libtool autoconf automake gettext gcc g++ glib-dev freetype-dev cairo-dev
       - run: ./autogen.sh
-      - run: make && (make check || (cat `find -name '*.log'` && false))
+      - run: make && (make check || (./.collect_logs && false))
 
   archlinux:
     docker:
@@ -28,7 +28,7 @@ jobs:
       - checkout
       - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel python
       - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: make && (make check || (cat `find -name '*.log'` && false))
+      - run: make && (make check || (./.collect_logs && false))
 
   fedora-outoftreebuild:
     docker:
@@ -37,7 +37,7 @@ jobs:
       - checkout
       - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config python || true
       - run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: mkdir build && cd build && ../configure && make && (make check || (cat `find -name '*.log'` && false))
+      - run: mkdir build && cd build && ../configure && make && (make check || (./.collect_logs && false))
 
   cmake-gcc:
     docker:
diff --git a/.collect_logs b/.collect_logs
new file mode 100755
index 000000000..a3d46a48e
--- /dev/null
+++ b/.collect_logs
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+for f in $(find . -name '*.log' -not -name 'config.log'); do
+    echo '====' $f '===='
+    cat $f
+done
diff --git a/.travis.yml b/.travis.yml
index fa9e5bc60..4751c1700 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --enable-gtk-doc
         - make
-        - make check || (cat `find -name '*.log'` && false)
+        - make check || (./.collect_logs && false)
       after_success:
         - bash .ci/run-coveralls.sh # for coveralls.io code coverage tracking
         - bash .ci/deploy-docs.sh
@@ -43,7 +43,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS
         - make
-        - make check || (cat `find -name '*.log'` && false)
+        - make check || (./.collect_logs && false)
 
     - os: osx
       compiler: clang
@@ -59,7 +59,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --with-coretext
         - make
-        - make check || (cat `find . -name '*.log'` && false)
+        - make check || (./.collect_logs && false)
 
 notifications:
   irc: "irc.freenode.org#harfbuzz"
diff --git a/appveyor.yml b/appveyor.yml
index 7350b1357..cb4e3b1a9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -44,7 +44,7 @@ build_script:
   - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" ctest --output-on-failure -C %configuration%'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config,python2}"'
-  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (cat */test-suite.log test/*/test-suite.log && false)"'
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (./.collect_logs && false)"'
 
 cache:
   - c:\tools\vcpkg\installed\

From 20022575c658b29796db80c387641309d0c49586 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 15 Feb 2018 01:15:39 +0330
Subject: [PATCH 1147/1326] Redirect email notifications to another mailing
 list dedicated for this (#790)

---
 .travis.yml  | 4 ++--
 appveyor.yml | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 4751c1700..bbffda67c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -63,7 +63,7 @@ matrix:
 
 notifications:
   irc: "irc.freenode.org#harfbuzz"
-  email: harfbuzz@lists.freedesktop.org
+  email: harfbuzz-bots-chatter@googlegroups.com
 
 addons:
   apt:
@@ -83,7 +83,7 @@ addons:
       name: harfbuzz/harfbuzz
       version: 1.0
       description: HarfBuzz OpenType text shaping engine
-    notification_email: harfbuzz@lists.freedesktop.org
+    notification_email: harfbuzz-bots-chatter@googlegroups.com
     build_command_prepend: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
     build_command: make
     branch_pattern: coverity_scan
diff --git a/appveyor.yml b/appveyor.yml
index cb4e3b1a9..c3caa3181 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -49,5 +49,10 @@ build_script:
 cache:
   - c:\tools\vcpkg\installed\
 
+notifications:
+  - provider: Email
+    to:
+      - harfbuzz-bots-chatter@googlegroups.com
+
 # disable automatic tests
 test: off

From fa87770372a3156658412ff0d70e32083c6b0484 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 14:16:25 -0800
Subject: [PATCH 1148/1326] [subset] First pass at hmtx

---
 src/hb-ot-cmap-table.hh                       |  19 +-
 src/hb-ot-hhea-table.hh                       |   6 +-
 src/hb-ot-hmtx-table.hh                       | 163 +++++++++++++++--
 src/hb-ot-maxp-table.hh                       |   8 +-
 src/hb-ot-os2-table.hh                        |   8 +-
 src/hb-subset-glyf.cc                         |   5 +-
 src/hb-subset-glyf.hh                         |   1 -
 src/hb-subset-plan.cc                         |  12 ++
 src/hb-subset-plan.hh                         |  10 ++
 src/hb-subset-private.hh                      |  11 ++
 src/hb-subset.cc                              |  85 +++++----
 test/api/Makefile.am                          |   7 +
 test/api/fonts/Inconsolata-Regular.ab.ttf     | Bin 0 -> 5048 bytes
 test/api/fonts/Inconsolata-Regular.abc.ttf    | Bin 0 -> 5224 bytes
 .../fonts/Inconsolata-Regular.abc.widerc.ttf  | Bin 0 -> 5228 bytes
 test/api/fonts/Inconsolata-Regular.ac.ttf     | Bin 0 -> 4940 bytes
 .../fonts/Inconsolata-Regular.ac.widerc.ttf   | Bin 0 -> 4944 bytes
 test/api/fonts/README                         |   2 +
 test/api/test-subset-hmtx.c                   | 164 ++++++++++++++++++
 19 files changed, 422 insertions(+), 79 deletions(-)
 create mode 100644 test/api/fonts/Inconsolata-Regular.ab.ttf
 create mode 100644 test/api/fonts/Inconsolata-Regular.abc.ttf
 create mode 100644 test/api/fonts/Inconsolata-Regular.abc.widerc.ttf
 create mode 100644 test/api/fonts/Inconsolata-Regular.ac.ttf
 create mode 100644 test/api/fonts/Inconsolata-Regular.ac.widerc.ttf
 create mode 100644 test/api/test-subset-hmtx.c

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index c3f242db0..6c5f3c282 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -599,13 +599,13 @@ struct cmap
     return true;
   }
 
-  inline hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
+  inline hb_bool_t subset (hb_subset_plan_t *plan) const
   {
     hb_auto_array_t<CmapSubtableLongGroup> groups;
 
     if (unlikely(!populate_groups(plan, &groups)))
     {
-      return nullptr;
+      return false;
     }
 
     // We now know how big our blob needs to be
@@ -617,21 +617,22 @@ struct cmap
     void *dest = calloc(dest_sz, 1);
     if (unlikely(!dest)) {
       DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %ld for cmap subset output", dest_sz);
-      return nullptr;
+      return false;
     }
 
     if (unlikely(!_subset(groups, dest_sz, dest)))
     {
       free(dest);
-      return nullptr;
+      return false;
     }
 
     // all done, write the blob into dest
-    return hb_blob_create ((const char *)dest,
-                           dest_sz,
-                           HB_MEMORY_MODE_READONLY,
-                           /* userdata */ nullptr,
-                           free);
+    hb_blob_t *cmap_prime = hb_blob_create ((const char *)dest,
+                                            dest_sz,
+                                            HB_MEMORY_MODE_READONLY,
+                                            /* userdata */ nullptr,
+                                            free);
+    return hb_subset_plan_add_table(plan, HB_OT_TAG_cmap, cmap_prime);
   }
 
   struct accelerator_t
diff --git a/src/hb-ot-hhea-table.hh b/src/hb-ot-hhea-table.hh
index 54eb5eb77..97952b4eb 100644
--- a/src/hb-ot-hhea-table.hh
+++ b/src/hb-ot-hhea-table.hh
@@ -41,7 +41,7 @@ namespace OT {
 #define HB_OT_TAG_hhea HB_TAG('h','h','e','a')
 #define HB_OT_TAG_vhea HB_TAG('v','h','e','a')
 
-
+template <typename T>
 struct _hea
 {
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -84,10 +84,10 @@ struct _hea
   DEFINE_SIZE_STATIC (36);
 };
 
-struct hhea : _hea {
+struct hhea : _hea<hhea> {
   static const hb_tag_t tableTag	= HB_OT_TAG_hhea;
 };
-struct vhea : _hea {
+struct vhea : _hea<vhea> {
   static const hb_tag_t tableTag	= HB_OT_TAG_vhea;
 };
 
diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index b4ba2490c..7fae4f6cd 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -53,7 +53,7 @@ struct LongMetric
   DEFINE_SIZE_STATIC (4);
 };
 
-template <typename T>
+template <typename T, typename H>
 struct hmtxvmtx
 {
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -64,8 +64,129 @@ struct hmtxvmtx
     return_trace (true);
   }
 
+
+  inline bool subset_update_header(hb_subset_plan_t *plan,
+                                   unsigned int num_hmetrics) const
+  {
+    /* alloc the new table */
+    size_t dest_sz = sizeof(H);
+    void *dest = (void *) calloc(dest_sz, 1);
+    if (unlikely(!dest))
+    {
+      return false;
+    }
+
+    hb_blob_t *src_blob = OT::Sanitizer<H>().sanitize (plan->source->reference_table (T::tableTag));
+    if (unlikely(!src_blob))
+    {
+      return false;
+    }
+    unsigned int src_length;
+    const char *src_raw = hb_blob_get_data(src_blob, &src_length);
+
+    memcpy(dest, src_raw, src_length);
+
+    H *table = (H *) dest;
+    table->numberOfLongMetrics.set(num_hmetrics);
+
+    hb_blob_t *dest_blob = hb_blob_create ((const char *)dest,
+                                           dest_sz,
+                                           HB_MEMORY_MODE_READONLY,
+                                           /* userdata */ nullptr,
+                                           free);
+    return hb_subset_plan_add_table(plan, H::tableTag, dest_blob);
+  }
+
+  inline bool subset (hb_subset_plan_t *plan) const
+  {
+    typename T::accelerator_t _mtx;
+    _mtx.init(plan->source);
+
+    /* All the trailing glyphs with the same advance can use one LongMetric
+     * and just keep LSB */
+    hb_prealloced_array_t<hb_codepoint_t> &gids = plan->gids_to_retain_sorted;
+    unsigned int num_advances = gids.len;
+    unsigned int last_advance = _mtx.get_advance(gids[num_advances - 1]);
+    while (num_advances > 1
+        && last_advance == _mtx.get_advance(gids[num_advances - 2]))
+    {
+      num_advances--;
+    }
+
+    /* alloc the new table */
+    size_t dest_sz = num_advances * 4
+                  + (gids.len - num_advances) * 2;
+    void *dest = (void *) calloc(dest_sz, 1);
+    if (unlikely(!dest))
+    {
+      return false;
+    }
+
+    DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in src has %d advances, %d lsbs", HB_UNTAG(T::tableTag), _mtx.num_advances, _mtx.num_metrics - _mtx.num_advances);
+    DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in dest has %d advances, %d lsbs, %d bytes", HB_UNTAG(T::tableTag), num_advances, gids.len - num_advances, dest_sz);
+
+    const char *source_table = hb_blob_get_data(_mtx.blob, nullptr);
+    // Copy everything over
+    LongMetric * old_metrics = (LongMetric *) source_table;
+    FWORD *lsbs = (FWORD *) (old_metrics + _mtx.num_advances);
+    char * dest_pos = (char *) dest;
+    for (unsigned int i = 0; i < gids.len; i++)
+    {
+      /* the last metric or the one for gids[i] */
+      LongMetric *src_metric = old_metrics + MIN(_mtx.num_advances - 1, gids[i]);
+      if (gids[i] < _mtx.num_advances)
+      {
+        /* src is a LongMetric */
+        if (i < num_advances)
+        {
+          /* dest is a LongMetric, copy it */
+          *((LongMetric *) dest_pos) = *src_metric;
+        }
+        else
+        {
+          /* dest just lsb */
+          *((FWORD *) dest_pos) = src_metric->lsb;
+        }
+      }
+      else
+      {
+        FWORD src_lsb = *(lsbs + gids[i] - _mtx.num_advances);
+        if (i < num_advances)
+        {
+          /* dest needs a full LongMetric */
+          LongMetric *metric = (LongMetric *)dest_pos;
+          metric->advance = src_metric->advance;
+          metric->lsb = src_lsb;
+        }
+        else
+        {
+          /* dest just needs an lsb */
+          *((FWORD *) dest_pos) = src_lsb;
+        }
+      }
+      dest_pos += (i < num_advances ? 4 : 2);
+    }
+    _mtx.fini();
+
+    // Amend header num hmetrics
+    if (unlikely(!subset_update_header(plan, num_advances)))
+    {
+      free(dest);
+      return false;
+    }
+
+    hb_blob_t *result = hb_blob_create ((const char *)dest,
+                                        dest_sz,
+                                        HB_MEMORY_MODE_READONLY,
+                                        /* userdata */ nullptr,
+                                        free);
+    return hb_subset_plan_add_table(plan, T::tableTag, result);
+  }
+
   struct accelerator_t
   {
+    friend struct hmtxvmtx;
+
     inline void init (hb_face_t *face,
 		      unsigned int default_advance_ = 0)
     {
@@ -87,8 +208,8 @@ struct hmtxvmtx
 	hb_blob_destroy (os2_blob);
       }
 
-      hb_blob_t *_hea_blob = Sanitizer<_hea>().sanitize (face->reference_table (T::headerTag));
-      const _hea *_hea_table = Sanitizer<_hea>::lock_instance (_hea_blob);
+      hb_blob_t *_hea_blob = Sanitizer<H>().sanitize (face->reference_table (H::tableTag));
+      const H *_hea_table = Sanitizer<H>::lock_instance (_hea_blob);
       num_advances = _hea_table->numberOfLongMetrics;
       if (!got_font_extents)
       {
@@ -129,22 +250,27 @@ struct hmtxvmtx
       hb_blob_destroy (var_blob);
     }
 
-    inline unsigned int get_advance (hb_codepoint_t  glyph,
-				     hb_font_t      *font) const
+    inline unsigned int get_advance (hb_codepoint_t  glyph) const
     {
       if (unlikely (glyph >= num_metrics))
       {
-	/* If num_metrics is zero, it means we don't have the metrics table
-	 * for this direction: return default advance.  Otherwise, it means that the
-	 * glyph index is out of bound: return zero. */
-	if (num_metrics)
-	  return 0;
-	else
-	  return default_advance;
+        /* If num_metrics is zero, it means we don't have the metrics table
+         * for this direction: return default advance.  Otherwise, it means that the
+         * glyph index is out of bound: return zero. */
+        if (num_metrics)
+          return 0;
+        else
+          return default_advance;
       }
 
-      return table->longMetric[MIN (glyph, (uint32_t) num_advances - 1)].advance
-	   + (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
+      return table->longMetric[MIN (glyph, (uint32_t) num_advances - 1)].advance;
+    }
+
+    inline unsigned int get_advance (hb_codepoint_t  glyph,
+                                     hb_font_t      *font) const
+    {
+      return get_advance(glyph)
+	        + (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
     }
 
     public:
@@ -153,11 +279,12 @@ struct hmtxvmtx
     unsigned short descender;
     unsigned short line_gap;
 
-    private:
+    protected:
     unsigned int num_metrics;
     unsigned int num_advances;
     unsigned int default_advance;
 
+    private:
     const hmtxvmtx *table;
     hb_blob_t *blob;
     const HVARVVAR *var_table;
@@ -190,15 +317,13 @@ struct hmtxvmtx
   DEFINE_SIZE_ARRAY (0, longMetric);
 };
 
-struct hmtx : hmtxvmtx<hmtx> {
+struct hmtx : hmtxvmtx<hmtx, hhea> {
   static const hb_tag_t tableTag	= HB_OT_TAG_hmtx;
-  static const hb_tag_t headerTag	= HB_OT_TAG_hhea;
   static const hb_tag_t variationsTag	= HB_OT_TAG_HVAR;
   static const hb_tag_t os2Tag		= HB_OT_TAG_os2;
 };
-struct vmtx : hmtxvmtx<vmtx> {
+struct vmtx : hmtxvmtx<vmtx, vhea> {
   static const hb_tag_t tableTag	= HB_OT_TAG_vmtx;
-  static const hb_tag_t headerTag	= HB_OT_TAG_vhea;
   static const hb_tag_t variationsTag	= HB_OT_TAG_VVAR;
   static const hb_tag_t os2Tag		= HB_TAG_NONE;
 };
diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index 52b9388db..00a95d716 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -61,21 +61,21 @@ struct maxp
 			  (version.major == 0 && version.minor == 0x5000u)));
   }
 
-  inline hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
+  inline hb_bool_t subset (hb_subset_plan_t *plan) const
   {
-    hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (source, HB_OT_TAG_maxp));
+    hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_maxp));
     hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);
     hb_blob_destroy (maxp_blob);
 
     OT::maxp *maxp_prime = (OT::maxp *) hb_blob_get_data_writable (maxp_prime_blob, nullptr);
     if (unlikely (!maxp_prime)) {
       hb_blob_destroy (maxp_prime_blob);
-      return nullptr;
+      return false;
     }
 
     maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);
 
-    return maxp_prime_blob;
+    return hb_subset_plan_add_table(plan, HB_OT_TAG_maxp, maxp_prime_blob);
   }
 
   /* We only implement version 0.5 as none of the extra fields in version 1.0 are useful. */
diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index f80a05d70..1bb9a1535 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -49,16 +49,16 @@ struct os2
     return_trace (c->check_struct (this));
   }
 
-  inline hb_blob_t * subset (hb_subset_plan_t *plan, hb_face_t *source) const
+  inline hb_bool_t subset (hb_subset_plan_t *plan) const
   {
-    hb_blob_t *os2_blob = OT::Sanitizer<OT::os2>().sanitize (hb_face_reference_table (source, HB_OT_TAG_os2));
+    hb_blob_t *os2_blob = OT::Sanitizer<OT::os2>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_os2));
     hb_blob_t *os2_prime_blob = hb_blob_create_sub_blob (os2_blob, 0, -1);
     hb_blob_destroy (os2_blob);
 
     OT::os2 *os2_prime = (OT::os2 *) hb_blob_get_data_writable (os2_prime_blob, nullptr);
     if (unlikely (!os2_prime)) {
       hb_blob_destroy (os2_prime_blob);
-      return nullptr;
+      return false;
     }
 
     uint16_t min_cp, max_cp;
@@ -66,7 +66,7 @@ struct os2
     os2_prime->usFirstCharIndex.set (min_cp);
     os2_prime->usLastCharIndex.set (max_cp);
 
-    return os2_prime_blob;
+    return hb_subset_plan_add_table(plan, HB_OT_TAG_os2, os2_prime_blob);
   }
 
   static inline void find_min_and_max_codepoint (hb_subset_plan_t *plan,
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 36789f9bf..f1bca10db 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -157,16 +157,15 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
  **/
 bool
 hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
-                         hb_face_t        *face,
                          bool             *use_short_loca, /* OUT */
                          hb_blob_t       **glyf_prime, /* OUT */
                          hb_blob_t       **loca_prime /* OUT */)
 {
-  hb_blob_t *glyf_blob = OT::Sanitizer<OT::glyf>().sanitize (face->reference_table (HB_OT_TAG_glyf));
+  hb_blob_t *glyf_blob = OT::Sanitizer<OT::glyf>().sanitize (plan->source->reference_table (HB_OT_TAG_glyf));
   const char *glyf_data = hb_blob_get_data(glyf_blob, nullptr);
 
   OT::glyf::accelerator_t glyf;
-  glyf.init(face);
+  glyf.init(plan->source);
   bool result = _hb_subset_glyf_and_loca (glyf,
                                           glyf_data,
                                           plan->gids_to_retain_sorted,
diff --git a/src/hb-subset-glyf.hh b/src/hb-subset-glyf.hh
index 491bf82b1..99b76db9b 100644
--- a/src/hb-subset-glyf.hh
+++ b/src/hb-subset-glyf.hh
@@ -33,7 +33,6 @@
 
 HB_INTERNAL bool
 hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
-                         hb_face_t        *face,
                          bool             *use_short_loca, /* OUT */
                          hb_blob_t       **glyf_prime /* OUT */,
                          hb_blob_t       **loca_prime /* OUT */);
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 6f4b003b3..0381e25cc 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -72,6 +72,14 @@ hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
   return false;
 }
 
+hb_bool_t
+hb_subset_plan_add_table (hb_subset_plan_t *plan,
+                          hb_tag_t tag,
+                          hb_blob_t *contents)
+{
+  return hb_subset_face_add_table(plan->dest, tag, contents);
+}
+
 static void
 _populate_codepoints (hb_set_t *input_codepoints,
                       hb_prealloced_array_t<hb_codepoint_t>& plan_codepoints)
@@ -110,6 +118,7 @@ _populate_gids_to_retain (hb_face_t *face,
     *(old_gids.push ()) = gid;
   }
 
+  /* Generally there shouldn't be any */
   while (bad_indices.len > 0) {
     unsigned int i = bad_indices[bad_indices.len - 1];
     bad_indices.pop ();
@@ -154,12 +163,15 @@ hb_subset_plan_create (hb_face_t           *face,
   plan->codepoints.init();
   plan->gids_to_retain.init();
   plan->gids_to_retain_sorted.init();
+  plan->source = face;
+  plan->dest = hb_subset_face_create ();
 
   _populate_codepoints (input->unicodes, plan->codepoints);
   _populate_gids_to_retain (face,
                             plan->codepoints,
                             plan->gids_to_retain,
                             plan->gids_to_retain_sorted);
+
   return plan;
 }
 
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 09df7cddf..0a43eb90b 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -38,9 +38,14 @@ struct hb_subset_plan_t {
   // TODO(Q1) actual map, drop this crap
   // Look at me ma, I'm a poor mans map codepoint : new gid
   // codepoints is sorted and aligned with gids_to_retain.
+  // TODO Also you should init/fini those arrays
   hb_prealloced_array_t<hb_codepoint_t> codepoints;
   hb_prealloced_array_t<hb_codepoint_t> gids_to_retain;
   hb_prealloced_array_t<hb_codepoint_t> gids_to_retain_sorted;
+
+  // Plan is only good for a specific source/dest so keep them with it
+  hb_face_t *source;
+  hb_face_t *dest;
 };
 
 typedef struct hb_subset_plan_t hb_subset_plan_t;
@@ -60,6 +65,11 @@ hb_subset_plan_new_gid_for_codepoint(hb_subset_plan_t *plan,
                                      hb_codepoint_t codepont,
                                      hb_codepoint_t *new_gid /* OUT */);
 
+HB_INTERNAL hb_bool_t
+hb_subset_plan_add_table(hb_subset_plan_t *plan,
+                         hb_tag_t tag,
+                         hb_blob_t *contents);
+
 HB_INTERNAL void
 hb_subset_plan_destroy (hb_subset_plan_t *plan);
 
diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index 4ef1b9540..3d6f8b4a5 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -34,6 +34,8 @@
 
 #include "hb-font-private.hh"
 
+typedef struct hb_subset_face_data_t hb_subset_face_data_t;
+
 struct hb_subset_input_t {
   hb_object_header_t header;
   ASSERT_POD ();
@@ -50,4 +52,13 @@ struct hb_subset_input_t {
    */
 };
 
+HB_INTERNAL hb_face_t *
+hb_subset_face_create (void);
+
+HB_INTERNAL hb_bool_t
+hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob);
+
+HB_INTERNAL void
+hb_subset_face_data_destroy (void *user_data);
+
 #endif /* HB_SUBSET_PRIVATE_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index e7f2d912c..4de146ea1 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -21,12 +21,14 @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
- * Google Author(s): Garret Rieger, Rod Sheeter, Behdad Esfahbod
+ * Google Author(s): Garret Rieger, Rod Sheeter
  */
 
 #include "hb-object-private.hh"
 #include "hb-open-type-private.hh"
 
+#include "hb-private.hh"
+
 #include "hb-subset-glyf.hh"
 #include "hb-subset-private.hh"
 #include "hb-subset-plan.hh"
@@ -35,6 +37,8 @@
 #include "hb-ot-cmap-table.hh"
 #include "hb-ot-glyf-table.hh"
 #include "hb-ot-head-table.hh"
+#include "hb-ot-hhea-table.hh"
+#include "hb-ot-hmtx-table.hh"
 #include "hb-ot-maxp-table.hh"
 #include "hb-ot-os2-table.hh"
 
@@ -76,13 +80,13 @@ hb_subset_profile_destroy (hb_subset_profile_t *profile)
 }
 
 template<typename TableType>
-static hb_blob_t *
-_subset (hb_subset_plan_t *plan, hb_face_t *source)
+static hb_bool_t
+_subset (hb_subset_plan_t *plan)
 {
     OT::Sanitizer<TableType> sanitizer;
-    hb_blob_t *source_blob = sanitizer.sanitize (source->reference_table (TableType::tableTag));
+    hb_blob_t *source_blob = sanitizer.sanitize (plan->source->reference_table (TableType::tableTag));
     const TableType *table = OT::Sanitizer<TableType>::lock_instance (source_blob);
-    hb_blob_t *result = table->subset(plan, source);
+    hb_bool_t result = table->subset(plan);
 
     hb_blob_destroy (source_blob);
 
@@ -124,8 +128,8 @@ _hb_subset_face_data_create (void)
   return data;
 }
 
-static void
-_hb_subset_face_data_destroy (void *user_data)
+void
+hb_subset_face_data_destroy (void *user_data)
 {
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) user_data;
 
@@ -188,7 +192,7 @@ _hb_subset_face_reference_table (hb_face_t *face, hb_tag_t tag, void *user_data)
   return nullptr;
 }
 
-static hb_face_t *
+hb_face_t *
 hb_subset_face_create (void)
 {
   hb_subset_face_data_t *data = _hb_subset_face_data_create ();
@@ -196,13 +200,13 @@ hb_subset_face_create (void)
 
   return hb_face_create_for_tables (_hb_subset_face_reference_table,
 				    data,
-				    _hb_subset_face_data_destroy);
+				    hb_subset_face_data_destroy);
 }
 
-static bool
+hb_bool_t
 hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
 {
-  if (unlikely (face->destroy != _hb_subset_face_data_destroy))
+  if (unlikely (face->destroy != hb_subset_face_data_destroy))
     return false;
 
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) face->user_data;
@@ -221,7 +225,7 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
 {
   hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (hb_face_reference_table (source, HB_OT_TAG_head));
   const OT::head *head = OT::Sanitizer<OT::head>::lock_instance (head_blob);
-  bool has_head = (head != nullptr);
+  hb_bool_t has_head = (head != nullptr);
 
   if (has_head) {
     OT::head *head_prime = (OT::head *) calloc (OT::head::static_size, 1);
@@ -242,7 +246,7 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
 }
 
 static bool
-_subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
+_subset_glyf (hb_subset_plan_t *plan)
 {
   hb_blob_t *glyf_prime = nullptr;
   hb_blob_t *loca_prime = nullptr;
@@ -250,10 +254,10 @@ _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
   bool success = true;
   bool use_short_loca = false;
   // TODO(grieger): Migrate to subset function on the table like cmap.
-  if (hb_subset_glyf_and_loca (plan, source, &use_short_loca, &glyf_prime, &loca_prime)) {
-    success = success && hb_subset_face_add_table (dest, HB_OT_TAG_glyf, glyf_prime);
-    success = success && hb_subset_face_add_table (dest, HB_OT_TAG_loca, loca_prime);
-    success = success && _add_head_and_set_loca_version (source, use_short_loca, dest);
+  if (hb_subset_glyf_and_loca (plan, &use_short_loca, &glyf_prime, &loca_prime)) {
+    success = success && hb_subset_plan_add_table (plan, HB_OT_TAG_glyf, glyf_prime);
+    success = success && hb_subset_plan_add_table (plan, HB_OT_TAG_loca, loca_prime);
+    success = success && _add_head_and_set_loca_version (plan->source, use_short_loca, plan->dest);
   } else {
     success = false;
   }
@@ -265,39 +269,50 @@ _subset_glyf (hb_subset_plan_t *plan, hb_face_t *source, hb_face_t *dest)
 
 static bool
 _subset_table (hb_subset_plan_t *plan,
-               hb_face_t        *source,
-               hb_tag_t          tag,
-               hb_blob_t        *source_blob,
-               hb_face_t        *dest)
+               hb_tag_t          tag)
 {
   // TODO (grieger): Handle updating the head table (loca format + num glyphs)
   DEBUG_MSG(SUBSET, nullptr, "begin subset %c%c%c%c", HB_UNTAG(tag));
-  hb_blob_t *dest_blob;
+  bool result = true;
   switch (tag) {
     case HB_OT_TAG_glyf:
-      return _subset_glyf (plan, source, dest);
+      result = _subset_glyf (plan);
+      break;
     case HB_OT_TAG_head:
       // SKIP head, it's handled by glyf
+      result = true;
+      break;
+    case HB_OT_TAG_hhea:
+      // SKIP hhea, it's handled by hmtx
       return true;
+    case HB_OT_TAG_hmtx:
+      result = _subset<const OT::hmtx> (plan);
+      break;
     case HB_OT_TAG_maxp:
-      dest_blob = _subset<const OT::maxp> (plan, source);
+      result = _subset<const OT::maxp> (plan);
       break;
     case HB_OT_TAG_loca:
       // SKIP loca, it's handle by glyf
       return true;
     case HB_OT_TAG_cmap:
-      dest_blob = _subset<const OT::cmap> (plan, source);
+      result = _subset<const OT::cmap> (plan);
       break;
     case HB_OT_TAG_os2:
-      dest_blob = _subset<const OT::os2> (plan, source);
+      result = _subset<const OT::os2> (plan);
       break;
     default:
-      dest_blob = source_blob;
+      hb_blob_t *source_table = hb_face_reference_table(plan->source, tag);
+      if (likely(source_table))
+      {
+        result = hb_subset_plan_add_table(plan, tag, source_table);
+      }
+      else
+      {
+        result = false;
+      }
       break;
   }
-  DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), dest_blob ? "ok" : "FAILED");
-  if (unlikely(!dest_blob)) return false;
-  if (unlikely(!hb_subset_face_add_table (dest, tag, dest_blob))) return false;
+  DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), result ? "ok" : "FAILED");
   return true;
 }
 
@@ -325,14 +340,13 @@ _should_drop_table(hb_tag_t tag)
  **/
 hb_face_t *
 hb_subset (hb_face_t *source,
-	   hb_subset_profile_t *profile,
+           hb_subset_profile_t *profile,
            hb_subset_input_t *input)
 {
   if (unlikely (!profile || !input || !source)) return hb_face_get_empty();
 
   hb_subset_plan_t *plan = hb_subset_plan_create (source, profile, input);
 
-  hb_face_t *dest = hb_subset_face_create ();
   hb_tag_t table_tags[32];
   unsigned int offset = 0, count;
   bool success = true;
@@ -347,12 +361,11 @@ hb_subset (hb_face_t *source,
         DEBUG_MSG(SUBSET, nullptr, "drop %c%c%c%c", HB_UNTAG(tag));
         continue;
       }
-      hb_blob_t *blob = hb_face_reference_table (source, tag);
-      success = success && _subset_table (plan, source, tag, blob, dest);
-      hb_blob_destroy (blob);
+      success = success && _subset_table (plan, tag);
     }
   } while (count == ARRAY_LENGTH (table_tags));
 
+  hb_face_t *result = success ? hb_face_reference(plan->dest) : hb_face_get_empty();
   hb_subset_plan_destroy (plan);
-  return success ? dest : hb_face_get_empty ();
+  return result;
 }
diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 071264e1b..dafbb0e49 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -31,6 +31,7 @@ TEST_PROGS = \
 	test-shape \
 	test-subset-cmap \
 	test-subset-glyf \
+	test-subset-hmtx \
 	test-subset-os2 \
 	test-unicode \
 	test-version \
@@ -39,6 +40,7 @@ TEST_PROGS = \
 test_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_cmap_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_glyf_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
+test_subset_hmtx_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_os2_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 
 test_unicode_CPPFLAGS = \
@@ -65,6 +67,11 @@ TEST_PROGS += \
 test_ot_math_LDADD = $(LDADD) $(FREETYPE_LIBS)
 test_ot_math_CPPFLAGS = $(AM_CPPFLAGS) $(FREETYPE_CFLAGS)
 EXTRA_DIST += \
+	fonts/Inconsolata-Regular.ab.ttf \
+	fonts/Inconsolata-Regular.abc.ttf \
+	fonts/Inconsolata-Regular.abc.widerc.ttf \
+	fonts/Inconsolata-Regular.ac.ttf \
+	fonts/Inconsolata-Regular.ac.widerc.ttf \
 	fonts/Roboto-Regular.abc.ttf \
 	fonts/Roboto-Regular.ac.ttf \
 	fonts/MathTestFontEmpty.otf \
diff --git a/test/api/fonts/Inconsolata-Regular.ab.ttf b/test/api/fonts/Inconsolata-Regular.ab.ttf
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diff --git a/test/api/fonts/Inconsolata-Regular.abc.widerc.ttf b/test/api/fonts/Inconsolata-Regular.abc.widerc.ttf
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zMZyrVKo}wxm0cF7C1n>;%gQdI&MUi!dPdnr)R&cAM14isMbwJ2i>Ot^_~Fe2UQnDo
z2Ej$2JPvY=f=)1*0rxDfQILeW<dcNCtS}@X%oQv?vZ?i|;?#<3K1nN{^GSkVhn^$8
z%IAHO05A9?0lo@sdQ;!m6sPpP=#vEhx=#}PC9F*Q`fm6n0lwjr1o$SfM>q9-OL0oy
z%RWi)SA3G--^R+LzP?v|k^nb-k^rxnw`u}f^<~vc$jGA9dkWX9*K`uKgpZ-$&EU<D
ze-F2r|M|04W?}2CiQz7t4G{VE!;!v7b3~8$TrM;i>I^Ba)_SMmPR*Ub9ej?}Kw59T
z!!qhu@jA<ud-%<1yx`xo%lbmD+(+E6A~zThWNsGmmJ0~JW}LUvk^V?)MBg!Rn^#_u
zf$!qp&D{zvgjkOLo$(nzQ~3T)v$VE`FV7#)|5z%H{{F|m*REAQ0{^GVN0k}kfl@gB
z;&vQ=x$>V4oLX1KLEnG3>AS)HwSk*c`k;pGr7zJy4bEZ|R{FGt*V!mL!7i{OyNKsy
zJXi2ddIf(oY>_RqtBSv*Rw(Bx(`*O?eba9L!I8xmZKIOx*bre3JJZu&QH%dQ>_uA{
jpPIwxYk*MdE0_qv)UrN&C2LCFu;N|0z;@k(A|(4C8~fN#

literal 0
HcmV?d00001

diff --git a/test/api/fonts/README b/test/api/fonts/README
index a365afd74..7e7783c24 100644
--- a/test/api/fonts/README
+++ b/test/api/fonts/README
@@ -1 +1,3 @@
 cmap-format12-only files created by ttx & remove all other cmap entries
+
+Inconsolata-Regular.abc.widerc.ttf has the hmtx width of "c" set to 600; everything else is 500. Subsetting out c should reduce numberOfHMetrics to 1.
diff --git a/test/api/test-subset-hmtx.c b/test/api/test-subset-hmtx.c
new file mode 100644
index 000000000..24a99c37c
--- /dev/null
+++ b/test/api/test-subset-hmtx.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Roderick Sheeter
+ */
+
+#include <stdbool.h>
+
+#include "hb-test.h"
+#include "hb-subset-test.h"
+
+/* Unit tests for hmtx subsetting */
+
+static void check_num_hmetrics(hb_face_t *face, uint16_t expected_num_hmetrics)
+{
+  hb_blob_t *hhea_blob = hb_face_reference_table (face, HB_TAG ('h','h','e','a'));
+  hb_blob_t *hmtx_blob = hb_face_reference_table (face, HB_TAG ('h','m','t','x'));
+
+  // TODO I sure wish I could just use the hmtx table struct!
+  unsigned int hmtx_len = hb_blob_get_length(hmtx_blob);
+  unsigned int hhea_len;
+  uint8_t *raw_hhea = (uint8_t *) hb_blob_get_data(hhea_blob, &hhea_len);
+  uint16_t num_hmetrics = (raw_hhea[hhea_len - 2] << 8) + raw_hhea[hhea_len - 1];
+  g_assert_cmpuint(expected_num_hmetrics, ==, num_hmetrics);
+  
+  hb_blob_destroy (hhea_blob);
+  hb_blob_destroy (hmtx_blob);
+}
+
+static void
+test_subset_hmtx_simple_subset (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Roboto-Regular.abc.ttf");
+  hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.ttf");
+
+  hb_set_t *codepoints = hb_set_create ();
+  hb_set_add (codepoints, 'a');
+  hb_set_add (codepoints, 'c');
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  check_num_hmetrics(face_abc_subset, 3); /* nothing has same width */
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('h','m','t','x'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_ac);
+}
+
+
+static void
+test_subset_hmtx_monospace (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Inconsolata-Regular.abc.ttf");
+  hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Inconsolata-Regular.ac.ttf");
+
+  hb_set_t *codepoints = hb_set_create ();
+  hb_set_add (codepoints, 'a');
+  hb_set_add (codepoints, 'c');
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints); 
+
+  check_num_hmetrics(face_abc_subset, 1); /* everything has same width */
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('h','m','t','x'));
+  // TODO hhea
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_ac);  
+}
+
+
+static void
+test_subset_hmtx_keep_num_metrics (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Inconsolata-Regular.abc.widerc.ttf");
+  hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Inconsolata-Regular.ac.widerc.ttf");
+
+  hb_set_t *codepoints = hb_set_create ();
+  hb_set_add (codepoints, 'a');
+  hb_set_add (codepoints, 'c');
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  check_num_hmetrics(face_abc_subset, 3); /* c is wider */
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('h','m','t','x'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_ac);
+}
+
+static void
+test_subset_hmtx_decrease_num_metrics (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Inconsolata-Regular.abc.widerc.ttf");
+  hb_face_t *face_ab = hb_subset_test_open_font ("fonts/Inconsolata-Regular.ab.ttf");
+
+  hb_set_t *codepoints = hb_set_create ();
+  hb_set_add (codepoints, 'a');
+  hb_set_add (codepoints, 'b');
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  check_num_hmetrics(face_abc_subset, 1); /* everything left has same width */
+  hb_subset_test_check (face_ab, face_abc_subset, HB_TAG ('h','m','t','x'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_ab);
+}
+
+static void
+test_subset_hmtx_noop (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 'a');
+  hb_set_add (codepoints, 'b');
+  hb_set_add (codepoints, 'c');
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  check_num_hmetrics(face_abc_subset, 4); /* nothing has same width */
+  hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('h','m','t','x'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+}
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_subset_hmtx_simple_subset);
+  hb_test_add (test_subset_hmtx_monospace);
+  hb_test_add (test_subset_hmtx_keep_num_metrics);
+  hb_test_add (test_subset_hmtx_decrease_num_metrics);
+  hb_test_add (test_subset_hmtx_noop);
+
+  return hb_test_run();
+}

From d463e9f6b57bebb3aa4875fe11c927c26c3e3974 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 15:04:15 -0800
Subject: [PATCH 1149/1326] [subset] Give Behdad credit again

---
 src/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 4de146ea1..ce7881f0e 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -21,7 +21,7 @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
- * Google Author(s): Garret Rieger, Rod Sheeter
+ * Google Author(s): Garret Rieger, Rod Sheeter, Behdad Esfahbod
  */
 
 #include "hb-object-private.hh"

From 42a80f00d51317207c49611b76d6bba06230371b Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 15:04:35 -0800
Subject: [PATCH 1150/1326] [subset] add free

---
 src/hb-ot-hmtx-table.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 7fae4f6cd..e69f9ea40 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -79,6 +79,7 @@ struct hmtxvmtx
     hb_blob_t *src_blob = OT::Sanitizer<H>().sanitize (plan->source->reference_table (T::tableTag));
     if (unlikely(!src_blob))
     {
+      free(dest);
       return false;
     }
     unsigned int src_length;

From 88d56e241bd6bb768656d77cf8f99ccc97fb2446 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 15:20:43 -0800
Subject: [PATCH 1151/1326] [subset] Use a supplier instead of memcpy and fix a
 few unnecessary {}s for cmap

---
 src/hb-ot-cmap-table.hh | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 6c5f3c282..b7332293f 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -276,8 +276,8 @@ struct CmapSubtableLongSegmented
   {
     TRACE_SERIALIZE (this);
     if (unlikely(!context->extend_min (*this))) return_trace (false);
-    if (unlikely(!groups.serialize(context, group_data.len))) return_trace (false);
-    memcpy(&groups[0], &group_data[0], group_data.len * sizeof(CmapSubtableLongGroup));
+    Supplier<CmapSubtableLongGroup> supplier(group_data.array, group_data.len);
+    if (unlikely(!groups.serialize(context, supplier, group_data.len))) return_trace (false);
     return true;
   }
 
@@ -565,10 +565,7 @@ struct cmap
 
     cmap->version.set(0);
 
-    if (unlikely(!cmap->encodingRecord.serialize(&context, /* numTables */ 1)))
-    {
-      return false;
-    }
+    if (unlikely(!cmap->encodingRecord.serialize(&context, /* numTables */ 1))) return false;
 
     EncodingRecord &rec = cmap->encodingRecord[0];
     rec.platformID.set (3); // Windows
@@ -580,19 +577,13 @@ struct cmap
     subtable.u.format.set(12);
 
     CmapSubtableFormat12 &format12 = subtable.u.format12;
-    if (unlikely(!context.extend_min(format12)))
-    {
-      return false;
-    }
+    if (unlikely(!context.extend_min(format12))) return false;
 
     format12.format.set(12);
     format12.reservedZ.set(0);
     format12.lengthZ.set(16 + 12 * groups.len);
 
-    if (unlikely(!format12.serialize(&context, groups)))
-    {
-      return false;
-    }
+    if (unlikely(!format12.serialize(&context, groups))) return false;
 
     context.end_serialize ();
 
@@ -603,10 +594,7 @@ struct cmap
   {
     hb_auto_array_t<CmapSubtableLongGroup> groups;
 
-    if (unlikely(!populate_groups(plan, &groups)))
-    {
-      return false;
-    }
+    if (unlikely(!populate_groups(plan, &groups))) return false;
 
     // We now know how big our blob needs to be
     // TODO use APIs from the structs to get size?

From 3ed70e5e64910e1c22225f542a525807b000cb2a Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 15:24:49 -0800
Subject: [PATCH 1152/1326] [subset] return bool not hb_bool_t from
 table::subset

---
 src/hb-ot-cmap-table.hh | 2 +-
 src/hb-ot-maxp-table.hh | 2 +-
 src/hb-ot-os2-table.hh  | 2 +-
 src/hb-subset.cc        | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index b7332293f..98f0b5614 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -590,7 +590,7 @@ struct cmap
     return true;
   }
 
-  inline hb_bool_t subset (hb_subset_plan_t *plan) const
+  inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_auto_array_t<CmapSubtableLongGroup> groups;
 
diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index 00a95d716..34eb9ae84 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -61,7 +61,7 @@ struct maxp
 			  (version.major == 0 && version.minor == 0x5000u)));
   }
 
-  inline hb_bool_t subset (hb_subset_plan_t *plan) const
+  inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_maxp));
     hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);
diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 1bb9a1535..9bc75c0c0 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -49,7 +49,7 @@ struct os2
     return_trace (c->check_struct (this));
   }
 
-  inline hb_bool_t subset (hb_subset_plan_t *plan) const
+  inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_blob_t *os2_blob = OT::Sanitizer<OT::os2>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_os2));
     hb_blob_t *os2_prime_blob = hb_blob_create_sub_blob (os2_blob, 0, -1);
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index ce7881f0e..69e8f77d3 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -80,7 +80,7 @@ hb_subset_profile_destroy (hb_subset_profile_t *profile)
 }
 
 template<typename TableType>
-static hb_bool_t
+static bool
 _subset (hb_subset_plan_t *plan)
 {
     OT::Sanitizer<TableType> sanitizer;

From 4696624ad9987b0eebcf5c84dafdb204b886f28e Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 15:30:49 -0800
Subject: [PATCH 1153/1326] [subset] maxp wrong int type, note to use
 copy_writable_or_fail

---
 src/hb-ot-maxp-table.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index 34eb9ae84..0ad123ab9 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -48,7 +48,7 @@ struct maxp
     return numGlyphs;
   }
 
-  inline void set_num_glyphs (uint16_t count)
+  inline void set_num_glyphs (unsigned int count)
   {
     numGlyphs.set (count);
   }
@@ -64,6 +64,7 @@ struct maxp
   inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_maxp));
+    // TODO hb_blob_copy_writable_or_fail
     hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);
     hb_blob_destroy (maxp_blob);
 

From 66e282df32410831f1c4e157e9dcf8c76f2bc3d8 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 15:31:13 -0800
Subject: [PATCH 1154/1326] [subset] remove TODO that was already done

---
 src/hb-subset-plan.hh | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 0a43eb90b..9a4308f9d 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -38,7 +38,6 @@ struct hb_subset_plan_t {
   // TODO(Q1) actual map, drop this crap
   // Look at me ma, I'm a poor mans map codepoint : new gid
   // codepoints is sorted and aligned with gids_to_retain.
-  // TODO Also you should init/fini those arrays
   hb_prealloced_array_t<hb_codepoint_t> codepoints;
   hb_prealloced_array_t<hb_codepoint_t> gids_to_retain;
   hb_prealloced_array_t<hb_codepoint_t> gids_to_retain_sorted;

From e1f1f96577a80846749782b6e199a661f4189ec0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 15:44:48 -0800
Subject: [PATCH 1155/1326] [set] Tune size again

Switch from a 128+64 hierarchy, to 32+32. New page size is 1024.
This should make set iteration faster, without affecting other op
performances much.
---
 src/hb-set-private.hh | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 7282b0799..0c73d32dc 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -177,11 +177,11 @@ struct hb_set_t
       return 0;
     }
 
-    static const unsigned int PAGE_BITS = 8192; /* Use to tune. */
+    typedef uint32_t elt_t;
+    static const unsigned int ELT_BITS = sizeof (elt_t) * 8;
+    static const unsigned int PAGE_BITS = ELT_BITS * ELT_BITS; /* 1024. Use to tune. */
     static_assert ((PAGE_BITS & ((PAGE_BITS) - 1)) == 0, "");
 
-    typedef uint64_t elt_t;
-
 #if 0 && HAVE_VECTOR_SIZE
     /* The vectorized version does not work with clang as non-const
      * elt() errs "non-const reference cannot bind to vector element". */
@@ -192,7 +192,6 @@ struct hb_set_t
 
     vector_t v;
 
-    static const unsigned int ELT_BITS = sizeof (elt_t) * 8;
     static const unsigned int ELT_MASK = ELT_BITS - 1;
     static const unsigned int BITS = sizeof (vector_t) * 8;
     static const unsigned int MASK = BITS - 1;

From 2903b2f357eb495c9badac1b2f74e65e1d1075bd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 15:46:27 -0800
Subject: [PATCH 1156/1326] Another linker tweaking
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Trying to fix this warning:
cc1: warning: command line option ‘-fno-threadsafe-statics’ is valid for C++/ObjC++ but not for C

Let's see what the clang bots think of it.
---
 src/Makefile.am | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 8288bd7f9..e3915bc8f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -37,8 +37,8 @@ HBNOLIBCXXCFLAGS =
 else
 # Make sure we don't link to libstdc++
 # No threadsafe statics in C++ as we do it ourselves
-HBCFLAGS += -fno-threadsafe-statics -fno-exceptions
-HBNOLIBCXXFLAGS = -fno-rtti
+HBCFLAGS += -fno-exceptions
+HBNOLIBCXXFLAGS = -fno-threadsafe-statics -fno-rtti
 endif
 
 if HAVE_OT

From 3ab7d2649bf5c92d3837b3132d65d4659d0fa003 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 14 Feb 2018 15:48:57 -0800
Subject: [PATCH 1157/1326] [subset] Fix memory leak in hb-ot-{maxp,os2}. Plus
 some formatting.

---
 src/hb-ot-maxp-table.hh |  6 ++++--
 src/hb-ot-os2-table.hh  | 24 +++++++++++++-----------
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index 0ad123ab9..ceb83628c 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -64,7 +64,7 @@ struct maxp
   inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_maxp));
-    // TODO hb_blob_copy_writable_or_fail
+    // TODO(grieger): hb_blob_copy_writable_or_fail
     hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);
     hb_blob_destroy (maxp_blob);
 
@@ -76,7 +76,9 @@ struct maxp
 
     maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);
 
-    return hb_subset_plan_add_table(plan, HB_OT_TAG_maxp, maxp_prime_blob);
+    bool result = hb_subset_plan_add_table(plan, HB_OT_TAG_maxp, maxp_prime_blob);
+    hb_blob_destroy (maxp_prime_blob);
+    return result;
   }
 
   /* We only implement version 0.5 as none of the extra fields in version 1.0 are useful. */
diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 9bc75c0c0..18dc4ab07 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -53,6 +53,7 @@ struct os2
   {
     hb_blob_t *os2_blob = OT::Sanitizer<OT::os2>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_os2));
     hb_blob_t *os2_prime_blob = hb_blob_create_sub_blob (os2_blob, 0, -1);
+    // TODO(grieger): move to hb_blob_copy_writable_or_fail
     hb_blob_destroy (os2_blob);
 
     OT::os2 *os2_prime = (OT::os2 *) hb_blob_get_data_writable (os2_prime_blob, nullptr);
@@ -62,27 +63,28 @@ struct os2
     }
 
     uint16_t min_cp, max_cp;
-    find_min_and_max_codepoint (plan, &min_cp, &max_cp);
+    find_min_and_max_codepoint (plan->codepoints, &min_cp, &max_cp);
     os2_prime->usFirstCharIndex.set (min_cp);
     os2_prime->usLastCharIndex.set (max_cp);
 
-    return hb_subset_plan_add_table(plan, HB_OT_TAG_os2, os2_prime_blob);
+    bool result = hb_subset_plan_add_table(plan, HB_OT_TAG_os2, os2_prime_blob);
+    hb_blob_destroy (os2_prime_blob);
+    return result;
   }
 
-  static inline void find_min_and_max_codepoint (hb_subset_plan_t *plan,
-                                                 uint16_t         *min_cp, /* OUT */
-                                                 uint16_t         *max_cp  /* OUT */)
+  static inline void find_min_and_max_codepoint (const hb_prealloced_array_t<hb_codepoint_t> &codepoints,
+                                                 uint16_t *min_cp, /* OUT */
+                                                 uint16_t *max_cp  /* OUT */)
   {
     hb_codepoint_t min = -1, max = 0;
 
-    for (int i = 0; i < plan->codepoints.len; i++) {
-      hb_codepoint_t cp = plan->codepoints[i];
-      if (cp < min) {
+    for (int i = 0; i < codepoints.len; i++)
+    {
+      hb_codepoint_t cp = codepoints[i];
+      if (cp < min)
         min = cp;
-      }
-      if (cp > max) {
+      if (cp > max)
         max = cp;
-      }
     }
 
     if (min > 0xFFFF)

From e330ef3711c543372f9f8550a967c512bbf87d83 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 14 Feb 2018 15:57:11 -0800
Subject: [PATCH 1158/1326] [subset] Restore hb_face_data_destroy to be
 internal.

---
 src/hb-subset.cc | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 69e8f77d3..2eb4ebd04 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -128,8 +128,8 @@ _hb_subset_face_data_create (void)
   return data;
 }
 
-void
-hb_subset_face_data_destroy (void *user_data)
+static void
+_hb_subset_face_data_destroy (void *user_data)
 {
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) user_data;
 
@@ -200,13 +200,13 @@ hb_subset_face_create (void)
 
   return hb_face_create_for_tables (_hb_subset_face_reference_table,
 				    data,
-				    hb_subset_face_data_destroy);
+				    _hb_subset_face_data_destroy);
 }
 
 hb_bool_t
 hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
 {
-  if (unlikely (face->destroy != hb_subset_face_data_destroy))
+  if (unlikely (face->destroy != _hb_subset_face_data_destroy))
     return false;
 
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) face->user_data;
@@ -228,7 +228,7 @@ _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_
   hb_bool_t has_head = (head != nullptr);
 
   if (has_head) {
-    OT::head *head_prime = (OT::head *) calloc (OT::head::static_size, 1);
+    OT::head *head_prime = (OT::head *) malloc (OT::head::static_size);
     memcpy (head_prime, head, OT::head::static_size);
     head_prime->indexToLocFormat.set (use_short_loca ? 0 : 1);
 

From e0ffebead6230b8e1ee8dd97425505706321793e Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 14 Feb 2018 16:01:08 -0800
Subject: [PATCH 1159/1326] [subset] In hb-subset-test use hb_set_union instead
 of manually copying set.

---
 test/api/hb-subset-test.h | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index efae17976..de7f274f2 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -90,16 +90,14 @@ hb_subset_test_open_font (const char *font_path)
 
 static inline hb_face_t *
 hb_subset_test_create_subset (hb_face_t *source,
-                              hb_set_t  *codepoints)
+                              const hb_set_t  *codepoints)
 {
   hb_subset_profile_t *profile = hb_subset_profile_create();
   hb_subset_input_t *input = hb_subset_input_create_or_fail ();
 
   hb_set_t * input_codepoints = hb_subset_input_unicode_set (input);
-  hb_codepoint_t codepoint = -1;
-  while (hb_set_next (codepoints, &codepoint)) {
-    hb_set_add (input_codepoints, codepoint);
-  }
+
+  hb_set_union (input_codepoints, codepoints);
 
   hb_face_t *subset = hb_subset (source, profile, input);
   g_assert (subset);

From b56c9384bcc177236debd26fdbbf14319e4c62b9 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 14 Feb 2018 16:05:39 -0800
Subject: [PATCH 1160/1326] [subset] Add missing face reference in
 hb-subset-plan plus ensure all struct members are cleaned up on destroy.

---
 src/hb-subset-plan.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 0381e25cc..034180a0c 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -163,7 +163,7 @@ hb_subset_plan_create (hb_face_t           *face,
   plan->codepoints.init();
   plan->gids_to_retain.init();
   plan->gids_to_retain_sorted.init();
-  plan->source = face;
+  plan->source = hb_face_reference (face);
   plan->dest = hb_subset_face_create ();
 
   _populate_codepoints (input->unicodes, plan->codepoints);
@@ -189,5 +189,8 @@ hb_subset_plan_destroy (hb_subset_plan_t *plan)
   plan->gids_to_retain.finish ();
   plan->gids_to_retain_sorted.finish ();
 
+  hb_face_destroy (plan->source);
+  hb_face_destroy (plan->dest);
+
   free (plan);
 }

From 0775bc0f7a59241456142b48abced75fd3db5a42 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 14 Feb 2018 16:37:35 -0800
Subject: [PATCH 1161/1326] [subset] Fix hhea subsetting and clean up some
 memory leaks.

---
 src/hb-ot-hmtx-table.hh | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index e69f9ea40..1368214d1 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -76,26 +76,29 @@ struct hmtxvmtx
       return false;
     }
 
-    hb_blob_t *src_blob = OT::Sanitizer<H>().sanitize (plan->source->reference_table (T::tableTag));
-    if (unlikely(!src_blob))
-    {
-      free(dest);
+    hb_blob_t *src_blob = OT::Sanitizer<H>().sanitize (plan->source->reference_table (H::tableTag));
+    unsigned int src_length;
+    const char *src_raw = hb_blob_get_data (src_blob, &src_length);
+    hb_blob_destroy (src_blob);
+
+    if (src_length != sizeof (H)) {
+      free (dest);
       return false;
     }
-    unsigned int src_length;
-    const char *src_raw = hb_blob_get_data(src_blob, &src_length);
-
     memcpy(dest, src_raw, src_length);
 
     H *table = (H *) dest;
-    table->numberOfLongMetrics.set(num_hmetrics);
+    table->numberOfLongMetrics.set (num_hmetrics);
 
-    hb_blob_t *dest_blob = hb_blob_create ((const char *)dest,
+    hb_blob_t *dest_blob = hb_blob_create ((const char *) dest,
                                            dest_sz,
                                            HB_MEMORY_MODE_READONLY,
-                                           /* userdata */ nullptr,
+                                           dest,
                                            free);
-    return hb_subset_plan_add_table(plan, H::tableTag, dest_blob);
+    bool result = hb_subset_plan_add_table (plan, H::tableTag, dest_blob);
+    hb_blob_destroy (dest_blob);
+
+    return result;
   }
 
   inline bool subset (hb_subset_plan_t *plan) const

From 04c1ec2b7396c05f6e8afc9d87679422782aa1e8 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 14 Feb 2018 17:00:18 -0800
Subject: [PATCH 1162/1326] [subset] Don't fail on different checksum
 adjustment in subsetting tests.

---
 .../basics/Roboto-Regular.abc.default.62.ttf  | Bin 1740 -> 1692 bytes
 test/subset/run-tests.py                      |   8 ++++++++
 2 files changed, 8 insertions(+)

diff --git a/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf b/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf
index 52706dc90320133d24a0a6c3109b9d1ef1bf8ec7..501d1d288c38e4ed350fe0fd177e11e8b6fb224c 100644
GIT binary patch
delta 418
zcmXX?JxIeq7=5`UZBkOj9|~57fE@(ENu-0Ipo8uXF4D%NZG^@KTWmz6yL6~@)x}A4
zaBy%DQE(9)oW#*p=ui+rrC48D5AN=JKi|8br}%Nak*G-lfUNCVJ_hj(NG;+id$(dv
zpG8jqb%J;;?-#u4SM~xBqx9Sqtg;UcBS54<-6$0I@^_cgBmH6Ct?PJ!t|~El-$LEZ
zSx&dAFS71%&bcIvq<BXS(kzLT>s10xN1F|=#9FarTgb42>T`*BR^W><u|R#D*xa_f
zoVbpCP)ZZ0{ZhHo_23YPe$(H{`KS3GUPyjs&nhIcVsd!1vAmQSod3kQMgnji+Cwv8
z@p68cK)u^i%t#1zh;ZXzW3>2d0LlUC*ig(~RA1|_q92are@}Q6Fu?O5Qea$jMPyC6
i4yPB<i-f}OQE8JPgWm+>sx9_qGJNz==f1fWvHt+9ZBOO^

delta 493
zcmX|-%_~Gv7{;Ib>E6jlGo%=4%IuV6A>t3fQWkdRny(vkxtWPUntx!5nk|vl$bwKx
z(kv_}D>XYyOKA!<P0aP289AqO-uL&sALs4tw>`D(b?4+M0FkI;xd=+{fP6)skFIAz
zgT<BuK<^^YCETR5QH`7eN-H4UCats!1D%YQ7;jCcHWQ^Y>5=|7&z&7}vZki`*smz!
zcHD}6FFkLu_LV$pQ}Eqr$H+krQwZBmCTp0eu%M4@q*kLA7U)5G;iWrP)|E#TQ#?)%
ztyoT6zV>}EWRu6-)pW*l5F;OnxVsj2j}tWxq&~1_8Zz?Un;O!AcJv@|5$Fy21LNm~
zJ?$hXu|mc!x-kb0f<zW2&Zhsdn5B_75LoUnCKoy;ztCeeQtvDNA>ovz+0R<=r)&-z
zX`;ynjiuxfQ+JRT^)0D7KhT`61?w~BaI-gs|0Nf)Qe=uK-ctF68m;no`sfK=Sbi-g
bp&~@9atnRY^P0DJ*z9~+m9~|_gl_!;PVr#o

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index faf615958..f648627ec 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -7,6 +7,7 @@ from __future__ import print_function
 
 import io
 import os
+import re
 import subprocess
 import sys
 import tempfile
@@ -57,6 +58,9 @@ def run_test(test):
 	if return_code:
 		return fail_test(test, cli_args, "ttx (actual) returned %d" % (return_code))
 
+	expected_ttx = strip_check_sum (expected_ttx)
+	actual_ttx = strip_check_sum (expected_ttx)
+
 	if not actual_ttx == expected_ttx:
 		return fail_test(test, cli_args, 'ttx for expected and actual does not match.')
 
@@ -68,6 +72,10 @@ def run_ttx(file):
 		    file]
 	return cmd(cli_args)
 
+def strip_check_sum (ttx_string):
+	return re.sub ('checksumAdjustment value=["]0x(\d+)["]',
+		       'checksumAdjustment value="0x00000000"',
+		       ttx_string, count=1)
 
 args = sys.argv[1:]
 if not args or sys.argv[1].find('hb-subset') == -1 or not os.path.exists (sys.argv[1]):

From 83f57e24bfc2000373192ec44b067fdd7dee8a65 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 18:43:53 -0800
Subject: [PATCH 1163/1326] [test] Reinstate
 test/shaping/data/in-house/tests/myanmar-syllable.tests

---
 test/shaping/data/in-house/tests/myanmar-syllable.tests | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 test/shaping/data/in-house/tests/myanmar-syllable.tests

diff --git a/test/shaping/data/in-house/tests/myanmar-syllable.tests b/test/shaping/data/in-house/tests/myanmar-syllable.tests
new file mode 100644
index 000000000..4666ef99d
--- /dev/null
+++ b/test/shaping/data/in-house/tests/myanmar-syllable.tests
@@ -0,0 +1 @@
+../fonts/af3086380b743099c54a3b11b96766039ea62fcd.ttf:--no-glyph-names:U+101D,U+FE00,U+1031,U+FE00,U+1031,U+FE00:[6=0+465|6=0+465|5=0+502]

From b1bd0b5f506dad9d04fd3a6abcb92122f231e0f7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 14 Feb 2018 18:50:19 -0800
Subject: [PATCH 1164/1326] [subset] Minor

---
 src/hb-ot-cmap-table.hh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 98f0b5614..7122ab9fc 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -517,8 +517,8 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
-  inline hb_bool_t populate_groups(hb_subset_plan_t *plan,
-                                   hb_prealloced_array_t<CmapSubtableLongGroup> *groups) const
+  inline bool populate_groups(hb_subset_plan_t *plan,
+			      hb_prealloced_array_t<CmapSubtableLongGroup> *groups) const
   {
     CmapSubtableLongGroup *group = nullptr;
     for (unsigned int i = 0; i < plan->codepoints.len; i++) {
@@ -551,9 +551,9 @@ struct cmap
     return true;
   }
 
-  inline hb_bool_t _subset (hb_prealloced_array_t<CmapSubtableLongGroup> &groups,
-                            size_t dest_sz,
-                            void *dest) const
+  inline bool _subset (hb_prealloced_array_t<CmapSubtableLongGroup> &groups,
+		       size_t dest_sz,
+		       void *dest) const
   {
     hb_serialize_context_t context(dest, dest_sz);
 

From 27012526f9b3848676bc2a4fb8e68c630af18620 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 19:01:00 -0800
Subject: [PATCH 1165/1326] [subset] whitespace

---
 test/api/test-subset-hmtx.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/test/api/test-subset-hmtx.c b/test/api/test-subset-hmtx.c
index 24a99c37c..099b57de5 100644
--- a/test/api/test-subset-hmtx.c
+++ b/test/api/test-subset-hmtx.c
@@ -42,7 +42,7 @@ static void check_num_hmetrics(hb_face_t *face, uint16_t expected_num_hmetrics)
   uint8_t *raw_hhea = (uint8_t *) hb_blob_get_data(hhea_blob, &hhea_len);
   uint16_t num_hmetrics = (raw_hhea[hhea_len - 2] << 8) + raw_hhea[hhea_len - 1];
   g_assert_cmpuint(expected_num_hmetrics, ==, num_hmetrics);
-  
+
   hb_blob_destroy (hhea_blob);
   hb_blob_destroy (hmtx_blob);
 }
@@ -78,15 +78,14 @@ test_subset_hmtx_monospace (void)
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
   hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
-  hb_set_destroy (codepoints); 
+  hb_set_destroy (codepoints);
 
   check_num_hmetrics(face_abc_subset, 1); /* everything has same width */
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('h','m','t','x'));
-  // TODO hhea
 
   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
-  hb_face_destroy (face_ac);  
+  hb_face_destroy (face_ac);
 }
 
 

From 1efecd965fe81d65e2763be4f43df2d8c4d8be44 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 18:42:29 -0800
Subject: [PATCH 1166/1326] [subset] hmtx use copy writeable fn instead of
 direct memory

---
 src/hb-ot-hmtx-table.hh | 23 ++++-------------------
 1 file changed, 4 insertions(+), 19 deletions(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 1368214d1..209c052b2 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -68,33 +68,18 @@ struct hmtxvmtx
   inline bool subset_update_header(hb_subset_plan_t *plan,
                                    unsigned int num_hmetrics) const
   {
-    /* alloc the new table */
-    size_t dest_sz = sizeof(H);
-    void *dest = (void *) calloc(dest_sz, 1);
-    if (unlikely(!dest))
-    {
-      return false;
-    }
-
     hb_blob_t *src_blob = OT::Sanitizer<H>().sanitize (plan->source->reference_table (H::tableTag));
-    unsigned int src_length;
-    const char *src_raw = hb_blob_get_data (src_blob, &src_length);
+    hb_blob_t *dest_blob = hb_blob_copy_writable_or_fail(src_blob);
     hb_blob_destroy (src_blob);
 
-    if (src_length != sizeof (H)) {
-      free (dest);
+    if (unlikely(!dest_blob)) {
       return false;
     }
-    memcpy(dest, src_raw, src_length);
 
-    H *table = (H *) dest;
+    unsigned int length;
+    H *table = (H *) hb_blob_get_data(dest_blob, &length);
     table->numberOfLongMetrics.set (num_hmetrics);
 
-    hb_blob_t *dest_blob = hb_blob_create ((const char *) dest,
-                                           dest_sz,
-                                           HB_MEMORY_MODE_READONLY,
-                                           dest,
-                                           free);
     bool result = hb_subset_plan_add_table (plan, H::tableTag, dest_blob);
     hb_blob_destroy (dest_blob);
 

From 2d6b1e2af74abea645a943d264e148d56d018101 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 19:14:01 -0800
Subject: [PATCH 1167/1326] [subset] maxp copy writeable fn

---
 src/hb-ot-maxp-table.hh | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index ceb83628c..3ffa57b15 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -64,15 +64,14 @@ struct maxp
   inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_maxp));
-    // TODO(grieger): hb_blob_copy_writable_or_fail
-    hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);
+    hb_blob_t *maxp_prime_blob = hb_blob_copy_writable_or_fail (maxp_blob);
     hb_blob_destroy (maxp_blob);
 
-    OT::maxp *maxp_prime = (OT::maxp *) hb_blob_get_data_writable (maxp_prime_blob, nullptr);
-    if (unlikely (!maxp_prime)) {
-      hb_blob_destroy (maxp_prime_blob);
+    if (unlikely (!maxp_prime_blob)) {
       return false;
     }
+    unsigned int length;
+    OT::maxp *maxp_prime = (OT::maxp *) hb_blob_get_data (maxp_prime_blob, &length);
 
     maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);
 

From e158739bfb9e5d60989e179fcc8744f3125e2067 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 19:22:37 -0800
Subject: [PATCH 1168/1326] [subset] space bracket

---
 src/hb-ot-hmtx-table.hh | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 209c052b2..b2ff82c61 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -72,7 +72,7 @@ struct hmtxvmtx
     hb_blob_t *dest_blob = hb_blob_copy_writable_or_fail(src_blob);
     hb_blob_destroy (src_blob);
 
-    if (unlikely(!dest_blob)) {
+    if (unlikely (!dest_blob)) {
       return false;
     }
 
@@ -106,11 +106,10 @@ struct hmtxvmtx
     size_t dest_sz = num_advances * 4
                   + (gids.len - num_advances) * 2;
     void *dest = (void *) calloc(dest_sz, 1);
-    if (unlikely(!dest))
+    if (unlikely (!dest))
     {
       return false;
     }
-
     DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in src has %d advances, %d lsbs", HB_UNTAG(T::tableTag), _mtx.num_advances, _mtx.num_metrics - _mtx.num_advances);
     DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in dest has %d advances, %d lsbs, %d bytes", HB_UNTAG(T::tableTag), num_advances, gids.len - num_advances, dest_sz);
 

From 1725c35da0ea2f829b6d6b6c1963607fd6dfb577 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 19:36:33 -0800
Subject: [PATCH 1169/1326] [subset] cmap space bracket

---
 src/hb-ot-cmap-table.hh | 72 ++++++++++++++++++++---------------------
 1 file changed, 36 insertions(+), 36 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 7122ab9fc..e7494df6e 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -271,13 +271,13 @@ struct CmapSubtableLongSegmented
     return_trace (c->check_struct (this) && groups.sanitize (c));
   }
 
-  inline bool serialize(hb_serialize_context_t *context,
-                        hb_prealloced_array_t<CmapSubtableLongGroup> &group_data)
+  inline bool serialize (hb_serialize_context_t *context,
+                         hb_prealloced_array_t<CmapSubtableLongGroup> &group_data)
   {
     TRACE_SERIALIZE (this);
-    if (unlikely(!context->extend_min (*this))) return_trace (false);
-    Supplier<CmapSubtableLongGroup> supplier(group_data.array, group_data.len);
-    if (unlikely(!groups.serialize(context, supplier, group_data.len))) return_trace (false);
+    if (unlikely (!context->extend_min (*this))) return_trace (false);
+    Supplier<CmapSubtableLongGroup> supplier (group_data.array, group_data.len);
+    if (unlikely (!groups.serialize (context, supplier, group_data.len))) return_trace (false);
     return true;
   }
 
@@ -435,12 +435,12 @@ struct CmapSubtable
 			 hb_codepoint_t *glyph) const
   {
     switch (u.format) {
-    case  0: return u.format0 .get_glyph(codepoint, glyph);
-    case  4: return u.format4 .get_glyph(codepoint, glyph);
-    case  6: return u.format6 .get_glyph(codepoint, glyph);
-    case 10: return u.format10.get_glyph(codepoint, glyph);
-    case 12: return u.format12.get_glyph(codepoint, glyph);
-    case 13: return u.format13.get_glyph(codepoint, glyph);
+    case  0: return u.format0 .get_glyph (codepoint, glyph);
+    case  4: return u.format4 .get_glyph (codepoint, glyph);
+    case  6: return u.format6 .get_glyph (codepoint, glyph);
+    case 10: return u.format10.get_glyph (codepoint, glyph);
+    case 12: return u.format12.get_glyph (codepoint, glyph);
+    case 13: return u.format13.get_glyph (codepoint, glyph);
     case 14:
     default: return false;
     }
@@ -517,8 +517,8 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
-  inline bool populate_groups(hb_subset_plan_t *plan,
-			      hb_prealloced_array_t<CmapSubtableLongGroup> *groups) const
+  inline bool populate_groups (hb_subset_plan_t *plan,
+			       hb_prealloced_array_t<CmapSubtableLongGroup> *groups) const
   {
     CmapSubtableLongGroup *group = nullptr;
     for (unsigned int i = 0; i < plan->codepoints.len; i++) {
@@ -526,19 +526,19 @@ struct cmap
       hb_codepoint_t cp = plan->codepoints[i];
       if (!group || cp - 1 != group->endCharCode)
       {
-        group = groups->push();
-        group->startCharCode.set(cp);
-        group->endCharCode.set(cp);
+        group = groups->push ();
+        group->startCharCode.set (cp);
+        group->endCharCode.set (cp);
         hb_codepoint_t new_gid;
-        if (unlikely(!hb_subset_plan_new_gid_for_codepoint(plan, cp, &new_gid)))
+        if (unlikely (!hb_subset_plan_new_gid_for_codepoint (plan, cp, &new_gid)))
         {
           DEBUG_MSG(SUBSET, nullptr, "Unable to find new gid for %04x", cp);
           return false;
         }
-        group->glyphID.set(new_gid);
+        group->glyphID.set (new_gid);
       } else
       {
-        group->endCharCode.set(cp);
+        group->endCharCode.set (cp);
       }
     }
 
@@ -555,35 +555,35 @@ struct cmap
 		       size_t dest_sz,
 		       void *dest) const
   {
-    hb_serialize_context_t context(dest, dest_sz);
+    hb_serialize_context_t context (dest, dest_sz);
 
     OT::cmap *cmap = context.start_serialize<OT::cmap> ();
-    if (unlikely(!context.extend_min(*cmap)))
+    if (unlikely (!context.extend_min (*cmap)))
     {
       return false;
     }
 
-    cmap->version.set(0);
+    cmap->version.set (0);
 
-    if (unlikely(!cmap->encodingRecord.serialize(&context, /* numTables */ 1))) return false;
+    if (unlikely (!cmap->encodingRecord.serialize (&context, /* numTables */ 1))) return false;
 
     EncodingRecord &rec = cmap->encodingRecord[0];
     rec.platformID.set (3); // Windows
     rec.encodingID.set (10); // Unicode UCS-4
 
     /* capture offset to subtable */
-    CmapSubtable &subtable = rec.subtable.serialize(&context, cmap);
+    CmapSubtable &subtable = rec.subtable.serialize (&context, cmap);
 
-    subtable.u.format.set(12);
+    subtable.u.format.set (12);
 
     CmapSubtableFormat12 &format12 = subtable.u.format12;
-    if (unlikely(!context.extend_min(format12))) return false;
+    if (unlikely (!context.extend_min (format12))) return false;
 
-    format12.format.set(12);
-    format12.reservedZ.set(0);
-    format12.lengthZ.set(16 + 12 * groups.len);
+    format12.format.set (12);
+    format12.reservedZ.set (0);
+    format12.lengthZ.set (16 + 12 * groups.len);
 
-    if (unlikely(!format12.serialize(&context, groups))) return false;
+    if (unlikely (!format12.serialize (&context, groups))) return false;
 
     context.end_serialize ();
 
@@ -594,7 +594,7 @@ struct cmap
   {
     hb_auto_array_t<CmapSubtableLongGroup> groups;
 
-    if (unlikely(!populate_groups(plan, &groups))) return false;
+    if (unlikely (!populate_groups (plan, &groups))) return false;
 
     // We now know how big our blob needs to be
     // TODO use APIs from the structs to get size?
@@ -602,15 +602,15 @@ struct cmap
                    + 8 // 1 EncodingRecord
                    + 16 // Format 12 header
                    + 12 * groups.len; // SequentialMapGroup records
-    void *dest = calloc(dest_sz, 1);
-    if (unlikely(!dest)) {
+    void *dest = calloc (dest_sz, 1);
+    if (unlikely (!dest)) {
       DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %ld for cmap subset output", dest_sz);
       return false;
     }
 
-    if (unlikely(!_subset(groups, dest_sz, dest)))
+    if (unlikely (!_subset (groups, dest_sz, dest)))
     {
-      free(dest);
+      free (dest);
       return false;
     }
 
@@ -620,7 +620,7 @@ struct cmap
                                             HB_MEMORY_MODE_READONLY,
                                             /* userdata */ nullptr,
                                             free);
-    return hb_subset_plan_add_table(plan, HB_OT_TAG_cmap, cmap_prime);
+    return hb_subset_plan_add_table (plan, HB_OT_TAG_cmap, cmap_prime);
   }
 
   struct accelerator_t

From 0e088a63d10dd09e025515bfa8ae68aa2922eaf6 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 14 Feb 2018 21:11:45 -0800
Subject: [PATCH 1170/1326] [subset] hmtx space bracket. authors++

---
 src/hb-ot-hmtx-table.hh | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index b2ff82c61..ed57d4ac9 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -21,7 +21,7 @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
- * Google Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod, Roderick Sheeter
  */
 
 #ifndef HB_OT_HMTX_TABLE_HH
@@ -65,10 +65,10 @@ struct hmtxvmtx
   }
 
 
-  inline bool subset_update_header(hb_subset_plan_t *plan,
-                                   unsigned int num_hmetrics) const
+  inline bool subset_update_header (hb_subset_plan_t *plan,
+                                    unsigned int num_hmetrics) const
   {
-    hb_blob_t *src_blob = OT::Sanitizer<H>().sanitize (plan->source->reference_table (H::tableTag));
+    hb_blob_t *src_blob = OT::Sanitizer<H> ().sanitize (plan->source->reference_table (H::tableTag));
     hb_blob_t *dest_blob = hb_blob_copy_writable_or_fail(src_blob);
     hb_blob_destroy (src_blob);
 
@@ -77,7 +77,7 @@ struct hmtxvmtx
     }
 
     unsigned int length;
-    H *table = (H *) hb_blob_get_data(dest_blob, &length);
+    H *table = (H *) hb_blob_get_data (dest_blob, &length);
     table->numberOfLongMetrics.set (num_hmetrics);
 
     bool result = hb_subset_plan_add_table (plan, H::tableTag, dest_blob);
@@ -89,15 +89,15 @@ struct hmtxvmtx
   inline bool subset (hb_subset_plan_t *plan) const
   {
     typename T::accelerator_t _mtx;
-    _mtx.init(plan->source);
+    _mtx.init (plan->source);
 
     /* All the trailing glyphs with the same advance can use one LongMetric
      * and just keep LSB */
     hb_prealloced_array_t<hb_codepoint_t> &gids = plan->gids_to_retain_sorted;
     unsigned int num_advances = gids.len;
-    unsigned int last_advance = _mtx.get_advance(gids[num_advances - 1]);
+    unsigned int last_advance = _mtx.get_advance (gids[num_advances - 1]);
     while (num_advances > 1
-        && last_advance == _mtx.get_advance(gids[num_advances - 2]))
+        && last_advance == _mtx.get_advance (gids[num_advances - 2]))
     {
       num_advances--;
     }
@@ -105,7 +105,7 @@ struct hmtxvmtx
     /* alloc the new table */
     size_t dest_sz = num_advances * 4
                   + (gids.len - num_advances) * 2;
-    void *dest = (void *) calloc(dest_sz, 1);
+    void *dest = (void *) calloc (dest_sz, 1);
     if (unlikely (!dest))
     {
       return false;
@@ -113,7 +113,7 @@ struct hmtxvmtx
     DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in src has %d advances, %d lsbs", HB_UNTAG(T::tableTag), _mtx.num_advances, _mtx.num_metrics - _mtx.num_advances);
     DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in dest has %d advances, %d lsbs, %d bytes", HB_UNTAG(T::tableTag), num_advances, gids.len - num_advances, dest_sz);
 
-    const char *source_table = hb_blob_get_data(_mtx.blob, nullptr);
+    const char *source_table = hb_blob_get_data (_mtx.blob, nullptr);
     // Copy everything over
     LongMetric * old_metrics = (LongMetric *) source_table;
     FWORD *lsbs = (FWORD *) (old_metrics + _mtx.num_advances);
@@ -121,7 +121,7 @@ struct hmtxvmtx
     for (unsigned int i = 0; i < gids.len; i++)
     {
       /* the last metric or the one for gids[i] */
-      LongMetric *src_metric = old_metrics + MIN(_mtx.num_advances - 1, gids[i]);
+      LongMetric *src_metric = old_metrics + MIN (_mtx.num_advances - 1, gids[i]);
       if (gids[i] < _mtx.num_advances)
       {
         /* src is a LongMetric */
@@ -154,12 +154,12 @@ struct hmtxvmtx
       }
       dest_pos += (i < num_advances ? 4 : 2);
     }
-    _mtx.fini();
+    _mtx.fini ();
 
     // Amend header num hmetrics
-    if (unlikely(!subset_update_header(plan, num_advances)))
+    if (unlikely (!subset_update_header (plan, num_advances)))
     {
-      free(dest);
+      free (dest);
       return false;
     }
 
@@ -168,7 +168,7 @@ struct hmtxvmtx
                                         HB_MEMORY_MODE_READONLY,
                                         /* userdata */ nullptr,
                                         free);
-    return hb_subset_plan_add_table(plan, T::tableTag, result);
+    return hb_subset_plan_add_table (plan, T::tableTag, result);
   }
 
   struct accelerator_t
@@ -183,7 +183,7 @@ struct hmtxvmtx
       bool got_font_extents = false;
       if (T::os2Tag)
       {
-	hb_blob_t *os2_blob = Sanitizer<os2>().sanitize (face->reference_table (T::os2Tag));
+	hb_blob_t *os2_blob = Sanitizer<os2> ().sanitize (face->reference_table (T::os2Tag));
 	const os2 *os2_table = Sanitizer<os2>::lock_instance (os2_blob);
 #define USE_TYPO_METRICS (1u<<7)
 	if (0 != (os2_table->fsSelection & USE_TYPO_METRICS))
@@ -196,7 +196,7 @@ struct hmtxvmtx
 	hb_blob_destroy (os2_blob);
       }
 
-      hb_blob_t *_hea_blob = Sanitizer<H>().sanitize (face->reference_table (H::tableTag));
+      hb_blob_t *_hea_blob = Sanitizer<H> ().sanitize (face->reference_table (H::tableTag));
       const H *_hea_table = Sanitizer<H>::lock_instance (_hea_blob);
       num_advances = _hea_table->numberOfLongMetrics;
       if (!got_font_extents)
@@ -210,7 +210,7 @@ struct hmtxvmtx
 
       has_font_extents = got_font_extents;
 
-      blob = Sanitizer<hmtxvmtx>().sanitize (face->reference_table (T::tableTag));
+      blob = Sanitizer<hmtxvmtx> ().sanitize (face->reference_table (T::tableTag));
 
       /* Cap num_metrics() and num_advances() based on table length. */
       unsigned int len = hb_blob_get_length (blob);
@@ -228,7 +228,7 @@ struct hmtxvmtx
       }
       table = Sanitizer<hmtxvmtx>::lock_instance (blob);
 
-      var_blob = Sanitizer<HVARVVAR>().sanitize (face->reference_table (T::variationsTag));
+      var_blob = Sanitizer<HVARVVAR> ().sanitize (face->reference_table (T::variationsTag));
       var_table = Sanitizer<HVARVVAR>::lock_instance (var_blob);
     }
 
@@ -257,7 +257,7 @@ struct hmtxvmtx
     inline unsigned int get_advance (hb_codepoint_t  glyph,
                                      hb_font_t      *font) const
     {
-      return get_advance(glyph)
+      return get_advance (glyph)
 	        + (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
     }
 

From 23d21a74b55eaf6d6d367097099e6b3bb78bae37 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Thu, 15 Feb 2018 02:52:15 +0200
Subject: [PATCH 1171/1326] Move collect_logs to .ci dir

Next to other CI scripts.
---
 .collect_logs => .ci/collect-logs.sh | 0
 .circleci/config.yml                 | 8 ++++----
 .travis.yml                          | 6 +++---
 appveyor.yml                         | 2 +-
 4 files changed, 8 insertions(+), 8 deletions(-)
 rename .collect_logs => .ci/collect-logs.sh (100%)

diff --git a/.collect_logs b/.ci/collect-logs.sh
similarity index 100%
rename from .collect_logs
rename to .ci/collect-logs.sh
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4788f0b0b..28b631600 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,7 +9,7 @@ jobs:
       - checkout
       - run: apt update && apt install -y ninja-build binutils libtool autoconf automake make cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev python python-pip
       - run: pip install fonttools
-      - run: ./autogen.sh && (make distcheck || (cd harfbuzz-* && ../.collect_logs && false)) && rm -rf harfbuzz-*
+      - run: ./autogen.sh && (make distcheck || (cd harfbuzz-* && ../.ci/collect-logs.sh && false)) && rm -rf harfbuzz-*
       - run: make distdir && cd harfbuzz-* && cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
   alpine:
@@ -19,7 +19,7 @@ jobs:
       - checkout
       - run: apk update && apk add ragel make pkgconfig libtool autoconf automake gettext gcc g++ glib-dev freetype-dev cairo-dev
       - run: ./autogen.sh
-      - run: make && (make check || (./.collect_logs && false))
+      - run: make && (make check || (.ci/collect-logs.sh && false))
 
   archlinux:
     docker:
@@ -28,7 +28,7 @@ jobs:
       - checkout
       - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel python
       - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: make && (make check || (./.collect_logs && false))
+      - run: make && (make check || (.ci/collect-logs.sh && false))
 
   fedora-outoftreebuild:
     docker:
@@ -37,7 +37,7 @@ jobs:
       - checkout
       - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config python || true
       - run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: mkdir build && cd build && ../configure && make && (make check || (./.collect_logs && false))
+      - run: mkdir build && cd build && ../configure && make && (make check || (.ci/collect-logs.sh && false))
 
   cmake-gcc:
     docker:
diff --git a/.travis.yml b/.travis.yml
index bbffda67c..a68ef7dc1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --enable-gtk-doc
         - make
-        - make check || (./.collect_logs && false)
+        - make check || (.ci/collect-logs.sh && false)
       after_success:
         - bash .ci/run-coveralls.sh # for coveralls.io code coverage tracking
         - bash .ci/deploy-docs.sh
@@ -43,7 +43,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS
         - make
-        - make check || (./.collect_logs && false)
+        - make check || (.ci/collect-logs.sh && false)
 
     - os: osx
       compiler: clang
@@ -59,7 +59,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --with-coretext
         - make
-        - make check || (./.collect_logs && false)
+        - make check || (.ci/collect-logs.sh && false)
 
 notifications:
   irc: "irc.freenode.org#harfbuzz"
diff --git a/appveyor.yml b/appveyor.yml
index c3caa3181..63e711fea 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -44,7 +44,7 @@ build_script:
   - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" ctest --output-on-failure -C %configuration%'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config,python2}"'
-  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (./.collect_logs && false)"'
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (.ci/collect-logs.sh && false)"'
 
 cache:
   - c:\tools\vcpkg\installed\

From 3fd11f4397aec9cda3a7d29246ab3ae56115ad36 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 15 Feb 2018 11:15:12 -0800
Subject: [PATCH 1172/1326] [subset] remove unused decl

---
 src/hb-subset-private.hh | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index 3d6f8b4a5..5473eac01 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -58,7 +58,4 @@ hb_subset_face_create (void);
 HB_INTERNAL hb_bool_t
 hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob);
 
-HB_INTERNAL void
-hb_subset_face_data_destroy (void *user_data);
-
 #endif /* HB_SUBSET_PRIVATE_HH */

From 0758cbc4c2f52c629d05515b8d2816e8d6a2a2c1 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 15 Feb 2018 11:29:01 -0800
Subject: [PATCH 1173/1326] [subset] correct bug introduced to get_advance

---
 src/hb-ot-hmtx-table.hh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index ed57d4ac9..5a291491a 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -257,8 +257,12 @@ struct hmtxvmtx
     inline unsigned int get_advance (hb_codepoint_t  glyph,
                                      hb_font_t      *font) const
     {
-      return get_advance (glyph)
-	        + (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
+      unsigned int advance = get_advance (glyph);
+      if (likely(glyph < num_metrics))
+      {
+        advance += (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
+      }
+      return advance;	        
     }
 
     public:

From 6122ad2442666d89ef39bdf5a2bb9d3f6d8e2b03 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 15 Feb 2018 11:40:28 -0800
Subject: [PATCH 1174/1326] [subset] add files to EXTRA_DIST

---
 test/api/Makefile.am | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index dafbb0e49..358cd57f0 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -72,6 +72,9 @@ EXTRA_DIST += \
 	fonts/Inconsolata-Regular.abc.widerc.ttf \
 	fonts/Inconsolata-Regular.ac.ttf \
 	fonts/Inconsolata-Regular.ac.widerc.ttf \
+	fonts/Roboto-Regular.abc.cmap-format12-only.ttf \
+	fonts/Roboto-Regular.ac.cmap-format12-only.ttf \
+	fonts/Roboto-Regular.b.ttf \
 	fonts/Roboto-Regular.abc.ttf \
 	fonts/Roboto-Regular.ac.ttf \
 	fonts/MathTestFontEmpty.otf \

From e00c37aaae3922b425c0528bfdd36d59cf9c5796 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 15 Feb 2018 12:53:52 -0800
Subject: [PATCH 1175/1326] [subset] fix no matching function MIN in djgpp

---
 src/hb-ot-hmtx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 5a291491a..a3bd19c86 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -121,7 +121,7 @@ struct hmtxvmtx
     for (unsigned int i = 0; i < gids.len; i++)
     {
       /* the last metric or the one for gids[i] */
-      LongMetric *src_metric = old_metrics + MIN (_mtx.num_advances - 1, gids[i]);
+      LongMetric *src_metric = old_metrics + MIN ((hb_codepoint_t) _mtx.num_advances - 1, gids[i]);
       if (gids[i] < _mtx.num_advances)
       {
         /* src is a LongMetric */

From b1740106a9c825874faf3f1315770d1e3c790cf9 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 15 Feb 2018 13:55:21 -0800
Subject: [PATCH 1176/1326] [subset] fix format specifier for size_t

---
 src/hb-ot-hmtx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index a3bd19c86..41d5489d0 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -111,7 +111,7 @@ struct hmtxvmtx
       return false;
     }
     DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in src has %d advances, %d lsbs", HB_UNTAG(T::tableTag), _mtx.num_advances, _mtx.num_metrics - _mtx.num_advances);
-    DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in dest has %d advances, %d lsbs, %d bytes", HB_UNTAG(T::tableTag), num_advances, gids.len - num_advances, dest_sz);
+    DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in dest has %d advances, %d lsbs, %zu bytes", HB_UNTAG(T::tableTag), num_advances, gids.len - num_advances, dest_sz);
 
     const char *source_table = hb_blob_get_data (_mtx.blob, nullptr);
     // Copy everything over

From 7acaa3b781da835cdb11dbe523c819feb4eef996 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Thu, 15 Feb 2018 14:28:29 -0800
Subject: [PATCH 1177/1326] [subset] apparently C99 is too much to ask in 2018

---
 src/hb-ot-hmtx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 41d5489d0..11cc92794 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -111,7 +111,7 @@ struct hmtxvmtx
       return false;
     }
     DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in src has %d advances, %d lsbs", HB_UNTAG(T::tableTag), _mtx.num_advances, _mtx.num_metrics - _mtx.num_advances);
-    DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in dest has %d advances, %d lsbs, %zu bytes", HB_UNTAG(T::tableTag), num_advances, gids.len - num_advances, dest_sz);
+    DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in dest has %d advances, %d lsbs, %u bytes", HB_UNTAG(T::tableTag), num_advances, gids.len - num_advances, (unsigned int) dest_sz);
 
     const char *source_table = hb_blob_get_data (_mtx.blob, nullptr);
     // Copy everything over

From 6c10328eb88b0641586f31a782b63f45eada5609 Mon Sep 17 00:00:00 2001
From: Arkady Shapkin <arkady.shapkin@gmail.com>
Date: Thu, 15 Feb 2018 23:17:46 +0300
Subject: [PATCH 1178/1326] Use _BitScanForward and _BitScanReverse on MSVC

---
 src/hb-private.hh | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 6430ba8e3..22948ae54 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -51,6 +51,9 @@
 #include <stdio.h>
 #include <stdarg.h>
 
+#if defined(_MSC_VER)
+#include <intrin.h>
+#endif
 
 #define HB_PASTE1(a,b) a##b
 #define HB_PASTE(a,b) HB_PASTE1(a,b)
@@ -352,6 +355,10 @@ _hb_bit_storage (unsigned int number)
 {
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
   return likely (number) ? (sizeof (unsigned int) * 8 - __builtin_clz (number)) : 0;
+#elif defined_MSC_VER) && defined(__OPTIMIZE__)
+  unsigned long where;
+  if (_BitScanReverse(&where, number)) return 1 + where;
+  return 0;
 #else
   unsigned int n_bits = 0;
   while (number) {
@@ -368,6 +375,11 @@ _hb_ctz (unsigned int number)
 {
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
   return likely (number) ? __builtin_ctz (number) : 0;
+#elif defined_MSC_VER) && defined(__OPTIMIZE__)
+  unsigned long where;
+  if (_BitScanForward(&where, n)) return where;
+  return 0;
+}
 #else
   unsigned int n_bits = 0;
   if (unlikely (!number)) return 0;

From 139c9928f6152088fa6eee0279e33cb821aeb541 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 16 Feb 2018 13:27:26 +0330
Subject: [PATCH 1179/1326] Fix hb-private.hh compile issue

---
 src/hb-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 22948ae54..0738b9950 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -355,7 +355,7 @@ _hb_bit_storage (unsigned int number)
 {
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
   return likely (number) ? (sizeof (unsigned int) * 8 - __builtin_clz (number)) : 0;
-#elif defined_MSC_VER) && defined(__OPTIMIZE__)
+#elif defined(_MSC_VER) && defined(__OPTIMIZE__)
   unsigned long where;
   if (_BitScanReverse(&where, number)) return 1 + where;
   return 0;
@@ -375,7 +375,7 @@ _hb_ctz (unsigned int number)
 {
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
   return likely (number) ? __builtin_ctz (number) : 0;
-#elif defined_MSC_VER) && defined(__OPTIMIZE__)
+#elif defined(_MSC_VER) && defined(__OPTIMIZE__)
   unsigned long where;
   if (_BitScanForward(&where, n)) return where;
   return 0;

From 0bb2d7ac12b7cf482580b6d2e8534eef8a233f96 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 16 Feb 2018 06:26:02 -0800
Subject: [PATCH 1180/1326] [subset] fix int type for blob length in
 hb-subset-test.h

---
 test/api/hb-subset-test.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index de7f274f2..96d5c05a6 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -114,7 +114,7 @@ hb_subset_test_check (hb_face_t *expected,
 {
   hb_blob_t *glyf_expected_blob = hb_face_reference_table (expected, table);
   hb_blob_t *glyf_actual_blob = hb_face_reference_table (actual, table);
-  int expected_length, actual_length;
+  unsigned int expected_length, actual_length;
   g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length,
                   hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length);
   hb_blob_destroy (glyf_actual_blob);

From c7a633f95710fcf2fe9151b41feba7db4b1bab0e Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 16 Feb 2018 11:11:20 -0800
Subject: [PATCH 1181/1326] [subset] try to get more info from bot where
 g_assert_cmpmem fails

---
 test/api/hb-subset-test.h | 12 +++++-------
 test/api/hb-test.h        | 11 ++++++++---
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 96d5c05a6..12d402d33 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -112,13 +112,11 @@ hb_subset_test_check (hb_face_t *expected,
                       hb_face_t *actual,
                       hb_tag_t   table)
 {
-  hb_blob_t *glyf_expected_blob = hb_face_reference_table (expected, table);
-  hb_blob_t *glyf_actual_blob = hb_face_reference_table (actual, table);
-  unsigned int expected_length, actual_length;
-  g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length,
-                  hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length);
-  hb_blob_destroy (glyf_actual_blob);
-  hb_blob_destroy (glyf_expected_blob);
+  hb_blob_t *expected_blob = hb_face_reference_table (expected, table);
+  hb_blob_t *actual_blob = hb_face_reference_table (actual, table);
+  hb_test_assert_blob_eq(expected_blob, actual_blob);  
+  hb_blob_destroy (expected_blob);
+  hb_blob_destroy (actual_blob);
 }
 
 
diff --git a/test/api/hb-test.h b/test/api/hb-test.h
index f6f107e28..48ccc3b28 100644
--- a/test/api/hb-test.h
+++ b/test/api/hb-test.h
@@ -161,9 +161,14 @@ typedef void (*hb_test_fixture_func_t) (void);
 #define g_test_fail() g_error("Test failed")
 #endif
 
-#ifndef g_assert_cmpmem
-#define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)
-#endif
+static inline void hb_test_assert_blob_eq(hb_blob_t *expected_blob, hb_blob_t *actual_blob)
+{
+  unsigned int expected_length, actual_length;
+  const char *raw_expected = hb_blob_get_data (expected_blob, &expected_length);
+  const char *raw_actual = hb_blob_get_data (actual_blob, &actual_length);
+  g_assert_cmpint(expected_length, ==, actual_length);
+  g_assert_cmpint(0, ==, memcmp(raw_expected, raw_actual, expected_length));
+}
 
 
 static inline void

From 8e3b4c0e11642470069b866a73768a866ac3fdb3 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Thu, 15 Feb 2018 11:25:24 +0200
Subject: [PATCH 1182/1326] Simplify calls to collect-logs.sh

---
 .ci/{collect-logs.sh => fail.sh} |  3 +++
 .circleci/config.yml             | 13 +++++++++----
 .travis.yml                      |  6 +++---
 appveyor.yml                     |  2 +-
 4 files changed, 16 insertions(+), 8 deletions(-)
 rename .ci/{collect-logs.sh => fail.sh} (71%)

diff --git a/.ci/collect-logs.sh b/.ci/fail.sh
similarity index 71%
rename from .ci/collect-logs.sh
rename to .ci/fail.sh
index a3d46a48e..5f4b64158 100755
--- a/.ci/collect-logs.sh
+++ b/.ci/fail.sh
@@ -4,3 +4,6 @@ for f in $(find . -name '*.log' -not -name 'config.log'); do
     echo '====' $f '===='
     cat $f
 done
+
+# Intentionally exiting with non-zero.
+exit 1
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 28b631600..28b5f7ce5 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,7 +9,10 @@ jobs:
       - checkout
       - run: apt update && apt install -y ninja-build binutils libtool autoconf automake make cmake gcc g++ pkg-config ragel gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev python python-pip
       - run: pip install fonttools
-      - run: ./autogen.sh && (make distcheck || (cd harfbuzz-* && ../.ci/collect-logs.sh && false)) && rm -rf harfbuzz-*
+      - run: ./autogen.sh
+      - run: make
+      - run: make distcheck || .ci/fail.sh
+      - run: rm -rf harfbuzz-*
       - run: make distdir && cd harfbuzz-* && cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
   alpine:
@@ -19,7 +22,8 @@ jobs:
       - checkout
       - run: apk update && apk add ragel make pkgconfig libtool autoconf automake gettext gcc g++ glib-dev freetype-dev cairo-dev
       - run: ./autogen.sh
-      - run: make && (make check || (.ci/collect-logs.sh && false))
+      - run: make
+      - run: make check || .ci/fail.sh
 
   archlinux:
     docker:
@@ -28,7 +32,8 @@ jobs:
       - checkout
       - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel python
       - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: make && (make check || (.ci/collect-logs.sh && false))
+      - run: make
+      - run: make check || .ci/fail.sh
 
   fedora-outoftreebuild:
     docker:
@@ -37,7 +42,7 @@ jobs:
       - checkout
       - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config python || true
       - run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
-      - run: mkdir build && cd build && ../configure && make && (make check || (.ci/collect-logs.sh && false))
+      - run: mkdir build && cd build && ../configure && make && (make check || ../.ci/fail.sh)
 
   cmake-gcc:
     docker:
diff --git a/.travis.yml b/.travis.yml
index a68ef7dc1..04f1cdcbc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --enable-gtk-doc
         - make
-        - make check || (.ci/collect-logs.sh && false)
+        - make check || .ci/fail.sh
       after_success:
         - bash .ci/run-coveralls.sh # for coveralls.io code coverage tracking
         - bash .ci/deploy-docs.sh
@@ -43,7 +43,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS
         - make
-        - make check || (.ci/collect-logs.sh && false)
+        - make check || .ci/fail.sh
 
     - os: osx
       compiler: clang
@@ -59,7 +59,7 @@ matrix:
         - ./autogen.sh
         - ./configure $CONFIGURE_OPTS --with-coretext
         - make
-        - make check || (.ci/collect-logs.sh && false)
+        - make check || .ci/fail.sh
 
 notifications:
   irc: "irc.freenode.org#harfbuzz"
diff --git a/appveyor.yml b/appveyor.yml
index 63e711fea..9bed12474 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -44,7 +44,7 @@ build_script:
   - 'if "%compiler%"=="msvc" if not "%platform%"=="ARM" ctest --output-on-failure -C %configuration%'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config,python2}"'
-  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || (.ci/collect-logs.sh && false)"'
+  - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=%MINGW_CHOST% --host=%MINGW_CHOST% --prefix=%MINGW_PREFIX%; make; make check || .ci/fail.sh"'
 
 cache:
   - c:\tools\vcpkg\installed\

From f8077c97909778c117d37773c9da570d831dacd2 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Thu, 15 Feb 2018 11:47:08 +0200
Subject: [PATCH 1183/1326] Print only the failed log

---
 .ci/fail.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/.ci/fail.sh b/.ci/fail.sh
index 5f4b64158..c46871083 100755
--- a/.ci/fail.sh
+++ b/.ci/fail.sh
@@ -1,8 +1,10 @@
 #!/bin/bash
 
 for f in $(find . -name '*.log' -not -name 'config.log'); do
-    echo '====' $f '===='
-    cat $f
+    if [[ $(tail -1 $f) = FAIL* ]]; then
+        echo '====' $f '===='
+        cat $f
+    fi
 done
 
 # Intentionally exiting with non-zero.

From 4eff0fc5b87084765ac2e36ba9f09d7d257f32fb Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Fri, 16 Feb 2018 20:22:52 +0200
Subject: [PATCH 1184/1326] Make this work for old versions of automake

---
 .ci/fail.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.ci/fail.sh b/.ci/fail.sh
index c46871083..91701d33c 100755
--- a/.ci/fail.sh
+++ b/.ci/fail.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
 for f in $(find . -name '*.log' -not -name 'config.log'); do
-    if [[ $(tail -1 $f) = FAIL* ]]; then
+    last=$(tail -1 $f)
+    if [[ $last = FAIL* || $last = *failed* ]]; then
         echo '====' $f '===='
         cat $f
     fi

From d37310ac5d5f8a3fd1ce1e535647e7c6bb0d7926 Mon Sep 17 00:00:00 2001
From: Arkady Shapkin <arkady.shapkin@gmail.com>
Date: Fri, 16 Feb 2018 21:45:08 +0300
Subject: [PATCH 1185/1326] Remove checking macros __OPTIMIZE__ for MSVC

Visual C++ compiler doesn't define macros __OPTIMIZE__  when optimizations enabled
---
 src/hb-private.hh | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 0738b9950..aeed58ae2 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -355,9 +355,9 @@ _hb_bit_storage (unsigned int number)
 {
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
   return likely (number) ? (sizeof (unsigned int) * 8 - __builtin_clz (number)) : 0;
-#elif defined(_MSC_VER) && defined(__OPTIMIZE__)
+#elif defined(_MSC_VER)
   unsigned long where;
-  if (_BitScanReverse(&where, number)) return 1 + where;
+  if (_BitScanReverse (&where, number)) return 1 + where;
   return 0;
 #else
   unsigned int n_bits = 0;
@@ -375,11 +375,10 @@ _hb_ctz (unsigned int number)
 {
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
   return likely (number) ? __builtin_ctz (number) : 0;
-#elif defined(_MSC_VER) && defined(__OPTIMIZE__)
+#elif defined(_MSC_VER)
   unsigned long where;
-  if (_BitScanForward(&where, n)) return where;
+  if (_BitScanForward (&where, number)) return where;
   return 0;
-}
 #else
   unsigned int n_bits = 0;
   if (unlikely (!number)) return 0;

From b1f186df78ed14cbc8be919e7f552df2bd7561e0 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 14:13:38 -0800
Subject: [PATCH 1186/1326] Add mingw32.sh and mingw64.sh

---
 RELEASING.md | 28 +---------------------------
 mingw32.sh   | 22 ++++++++++++++++++++++
 mingw64.sh   | 22 ++++++++++++++++++++++
 3 files changed, 45 insertions(+), 27 deletions(-)
 create mode 100755 mingw32.sh
 create mode 100755 mingw64.sh

diff --git a/RELEASING.md b/RELEASING.md
index 1863c6e39..47d82ba10 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -35,7 +35,7 @@ HarfBuzz release walk-through checklist:
 
    a. Put contents of [this](https://drive.google.com/open?id=0B3_fQkxDZZXXbWltRGd5bjVrUDQ) on your `~/.local/i686-w64-mingw32`,
 
-   b. Run `./MING32 --with-uniscribe` script (available below) to configure harfbuzz with mingw in a subdirector (eg. winbuild/),
+   b. Run `../[mingw32.sh](./mingw32.sh) --with-uniscribe` script (available below) to configure harfbuzz with mingw in a subdirector (eg. winbuild/),
 
    c. make
 
@@ -63,32 +63,6 @@ HarfBuzz release walk-through checklist:
     edit the tag, upload artefacts and NEWS entry and save.
 
 
-## MING32
-```bash
-#!/bin/bash
-
-target=i686-w64-mingw32
-
-unset CC
-unset CXX
-unset CPP
-unset LD
-unset LDFLAGS
-unset CFLAGS
-unset CXXFLAGS
-unset PKG_CONFIG_PATH
-
-# Removed -static from the following
-export CFLAGS="-static-libgcc"
-export CXXFLAGS="-static-libgcc -static-libstdc++"
-export CPPFLAGS=-I$HOME/.local/$target/include
-export LDFLAGS=-L$HOME/.local/$target/lib
-export PKG_CONFIG_LIBDIR=$HOME/.local/$target/lib/pkgconfig
-export PATH=$HOME/.local/$target/bin:$PATH
-
-../configure --build=`../config.guess` --host=$target --prefix=$HOME/.local/$target "$@"
-```
-
 ## UPDATE.sh
 ```bash
 #!/bin/bash
diff --git a/mingw32.sh b/mingw32.sh
new file mode 100755
index 000000000..67744051c
--- /dev/null
+++ b/mingw32.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+target=i686-w64-mingw32
+
+unset CC
+unset CXX
+unset CPP
+unset LD
+unset LDFLAGS
+unset CFLAGS
+unset CXXFLAGS
+unset PKG_CONFIG_PATH
+
+# Removed -static from the following
+export CFLAGS="-static-libgcc"
+export CXXFLAGS="-static-libgcc -static-libstdc++"
+export CPPFLAGS="-I$HOME/.local/$target/include -O2"
+export LDFLAGS=-L$HOME/.local/$target/lib
+export PKG_CONFIG_LIBDIR=$HOME/.local/$target/lib/pkgconfig
+export PATH=$HOME/.local/$target/bin:$PATH
+
+../configure --build=`../config.guess` --host=$target --prefix=$HOME/.local/$target "$@"
diff --git a/mingw64.sh b/mingw64.sh
new file mode 100755
index 000000000..49a143179
--- /dev/null
+++ b/mingw64.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+target=x86_64-w64-mingw32
+
+unset CC
+unset CXX
+unset CPP
+unset LD
+unset LDFLAGS
+unset CFLAGS
+unset CXXFLAGS
+unset PKG_CONFIG_PATH
+
+# Removed -static from the following
+export CFLAGS="-static-libgcc"
+export CXXFLAGS="-static-libgcc -static-libstdc++"
+export CPPFLAGS="-I$HOME/.local/$target/include -O2"
+export LDFLAGS=-L$HOME/.local/$target/lib
+export PKG_CONFIG_LIBDIR=$HOME/.local/$target/lib/pkgconfig
+export PATH=$HOME/.local/$target/bin:$PATH
+
+../configure --build=`../config.guess` --host=$target --prefix=$HOME/.local/$target "$@"

From 882a3bf4abcdac60414db41d54dbbb7d2368c908 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 14:17:20 -0800
Subject: [PATCH 1187/1326] That didn't work...

---
 RELEASING.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/RELEASING.md b/RELEASING.md
index 47d82ba10..dedcca8f9 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -35,7 +35,7 @@ HarfBuzz release walk-through checklist:
 
    a. Put contents of [this](https://drive.google.com/open?id=0B3_fQkxDZZXXbWltRGd5bjVrUDQ) on your `~/.local/i686-w64-mingw32`,
 
-   b. Run `../[mingw32.sh](./mingw32.sh) --with-uniscribe` script (available below) to configure harfbuzz with mingw in a subdirector (eg. winbuild/),
+   b. Run `../mingw32.sh --with-uniscribe` script (available below) to configure harfbuzz with mingw in a subdirector (eg. winbuild/),
 
    c. make
 

From 94d32d1b83892ed4f124463cf4322bf74b3e850d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 15:36:20 -0800
Subject: [PATCH 1188/1326] Enable C99 if available

Hopefully we can now mix-and-match code and declaration in the C test files.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index d8c38fe29..7dbd553d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,7 @@ LT_INIT([disable-static])
 # Check for programs
 AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
+AC_PROG_CC_C99
 AM_PROG_CC_C_O
 AC_PROG_CXX
 dnl AX_CXX_COMPILE_STDCXX(11, noext, optional)

From 7b5ce7404716a17f91ff86d374c7b76ee7ce3247 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 15:37:22 -0800
Subject: [PATCH 1189/1326] Fix warnings

---
 src/hb-ot-os2-table.hh    | 2 +-
 test/api/hb-subset-test.h | 3 ++-
 test/api/hb-test.h        | 9 +++++++--
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 18dc4ab07..5f4e2db0d 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -78,7 +78,7 @@ struct os2
   {
     hb_codepoint_t min = -1, max = 0;
 
-    for (int i = 0; i < codepoints.len; i++)
+    for (unsigned int i = 0; i < codepoints.len; i++)
     {
       hb_codepoint_t cp = codepoints[i];
       if (cp < min)
diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 12d402d33..49e5db480 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -86,6 +86,7 @@ hb_subset_test_open_font (const char *font_path)
     return face;
   }
   g_assert (false);
+  return NULL; /* Shut up, compiler! */
 }
 
 static inline hb_face_t *
@@ -114,7 +115,7 @@ hb_subset_test_check (hb_face_t *expected,
 {
   hb_blob_t *expected_blob = hb_face_reference_table (expected, table);
   hb_blob_t *actual_blob = hb_face_reference_table (actual, table);
-  hb_test_assert_blob_eq(expected_blob, actual_blob);  
+  hb_test_assert_blobs_equal (expected_blob, actual_blob);
   hb_blob_destroy (expected_blob);
   hb_blob_destroy (actual_blob);
 }
diff --git a/test/api/hb-test.h b/test/api/hb-test.h
index 48ccc3b28..a88b00c48 100644
--- a/test/api/hb-test.h
+++ b/test/api/hb-test.h
@@ -160,8 +160,14 @@ typedef void (*hb_test_fixture_func_t) (void);
 #if !GLIB_CHECK_VERSION(2,30,0)
 #define g_test_fail() g_error("Test failed")
 #endif
+#ifndef g_assert_true
+#define g_assert_true g_assert
+#endif
+#ifndef g_assert_cmpmem
+#define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)
+#endif
 
-static inline void hb_test_assert_blob_eq(hb_blob_t *expected_blob, hb_blob_t *actual_blob)
+static inline void hb_test_assert_blobs_equal (hb_blob_t *expected_blob, hb_blob_t *actual_blob)
 {
   unsigned int expected_length, actual_length;
   const char *raw_expected = hb_blob_get_data (expected_blob, &expected_length);
@@ -170,7 +176,6 @@ static inline void hb_test_assert_blob_eq(hb_blob_t *expected_blob, hb_blob_t *a
   g_assert_cmpint(0, ==, memcmp(raw_expected, raw_actual, expected_length));
 }
 
-
 static inline void
 hb_test_add_func (const char *test_path,
 		  hb_test_func_t   test_func)

From 978ace6fbbc828adc20f21591d138f41d8508ebc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 16:06:17 -0800
Subject: [PATCH 1190/1326] Improve _hb_popcount()

Support 128bit type.
---
 configure.ac                   |  3 +-
 src/hb-ot-layout-gpos-table.hh |  2 +-
 src/hb-ot-map.cc               |  2 +-
 src/hb-private.hh              | 61 ++++++++++++++++++++++------------
 4 files changed, 44 insertions(+), 24 deletions(-)

diff --git a/configure.ac b/configure.ac
index 7dbd553d1..02a4a8973 100644
--- a/configure.ac
+++ b/configure.ac
@@ -76,7 +76,8 @@ GTK_DOC_CHECK([1.15],[--flavour no-tmpl])
 	AM_CONDITIONAL([ENABLE_GTK_DOC], false)
 ])
 
-# Functions and headers
+# Types, functions, and headers
+AC_CHECK_TYPES(unsigned __int128)
 AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l setlinebuf)
 AC_CHECK_HEADERS(unistd.h sys/mman.h xlocale.h)
 
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 14ee37131..5b1bc6abd 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -99,7 +99,7 @@ struct ValueFormat : HBUINT16
 #endif
 
   inline unsigned int get_len (void) const
-  { return _hb_popcount32 ((unsigned int) *this); }
+  { return _hb_popcount ((unsigned int) *this); }
   inline unsigned int get_size (void) const
   { return get_len () * Value::static_size; }
 
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 6f07a7e22..54b0ce377 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -139,7 +139,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t  &m,
 {
   static_assert ((!(HB_GLYPH_FLAG_DEFINED & (HB_GLYPH_FLAG_DEFINED + 1))), "");
   unsigned int global_bit_mask = HB_GLYPH_FLAG_DEFINED + 1;
-  unsigned int global_bit_shift = _hb_popcount32 (HB_GLYPH_FLAG_DEFINED);
+  unsigned int global_bit_shift = _hb_popcount (HB_GLYPH_FLAG_DEFINED);
 
   m.global_mask = global_bit_mask;
 
diff --git a/src/hb-private.hh b/src/hb-private.hh
index aeed58ae2..f4a31a69b 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -323,31 +323,50 @@ typedef const struct _hb_void_t *hb_void_t;
 #define HB_VOID ((const _hb_void_t *) nullptr)
 
 /* Return the number of 1 bits in mask. */
+template <typename T>
 static inline HB_CONST_FUNC unsigned int
-_hb_popcount32 (uint32_t mask)
+_hb_popcount (T mask)
 {
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
-  return __builtin_popcount (mask);
-#else
-  /* "HACKMEM 169" */
-  uint32_t y;
-  y = (mask >> 1) &033333333333;
-  y = mask - y - ((y >>1) & 033333333333);
-  return (((y + (y >> 3)) & 030707070707) % 077);
+#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) && defined(__OPTIMIZE__)
+  if (sizeof (unsigned int) >= sizeof (mask))
+    return __builtin_popcount (mask);
+
+  if (sizeof (unsigned long) >= sizeof (mask))
+      return __builtin_popcountl (mask);
+
+  if (sizeof (unsigned long long) >= sizeof (mask))
+      return __builtin_popcountll (mask);
 #endif
+
+  if (sizeof (T) <= 4)
+  {
+    /* "HACKMEM 169" */
+    uint32_t y;
+    y = (mask >> 1) &033333333333;
+    y = mask - y - ((y >>1) & 033333333333);
+    return (((y + (y >> 3)) & 030707070707) % 077);
+  }
+
+  if (sizeof (T) == 8)
+  {
+    unsigned int shift = 32;
+    return _hb_popcount<uint32_t> ((uint32_t) mask) + _hb_popcount ((uint32_t) (mask >> shift));
+  }
+
+  if (sizeof (T) == 16)
+  {
+    unsigned int shift = 64;
+    return _hb_popcount<uint64_t> ((uint64_t) mask) + _hb_popcount ((uint64_t) (mask >> shift));
+  }
+
+  unsigned int count = 0;
+  while (mask)
+  {
+    count += _hb_popcount<uint64_t> ((uint64_t) mask);
+    unsigned int shift = 64;
+    mask = (T) (mask >> shift);
+  }
 }
-static inline HB_CONST_FUNC unsigned int
-_hb_popcount64 (uint64_t mask)
-{
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
-  if (sizeof (long) >= sizeof (mask))
-    return __builtin_popcountl (mask);
-#endif
-  return _hb_popcount32 (mask & 0xFFFFFFFF) + _hb_popcount32 (mask >> 32);
-}
-template <typename T> static inline unsigned int _hb_popcount (T mask);
-template <> inline unsigned int _hb_popcount<uint32_t> (uint32_t mask) { return _hb_popcount32 (mask); }
-template <> inline unsigned int _hb_popcount<uint64_t> (uint64_t mask) { return _hb_popcount64 (mask); }
 
 /* Returns the number of bits needed to store number */
 static inline HB_CONST_FUNC unsigned int

From 864a2dddae9eb1303c59d0d3717fce307a72a524 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 14:21:40 -0800
Subject: [PATCH 1191/1326] Clean up bit functions

Compile all code-paths possible, to better catch errors.
Also enable MSVC ones on mingw which seems to support them.
---
 src/hb-private.hh | 45 ++++++++++++++++++++++++++++-----------------
 1 file changed, 28 insertions(+), 17 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index f4a31a69b..d9cacbe01 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -51,7 +51,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__)
 #include <intrin.h>
 #endif
 
@@ -372,41 +372,52 @@ _hb_popcount (T mask)
 static inline HB_CONST_FUNC unsigned int
 _hb_bit_storage (unsigned int number)
 {
+  if (unlikely (!number)) return 0;
+
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
-  return likely (number) ? (sizeof (unsigned int) * 8 - __builtin_clz (number)) : 0;
-#elif defined(_MSC_VER)
-  unsigned long where;
-  if (_BitScanReverse (&where, number)) return 1 + where;
-  return 0;
-#else
+  return sizeof (unsigned int) * 8 - __builtin_clz (number);
+#endif
+
+#if defined(_MSC_VER) || defined(__MINGW32__)
+  {
+    unsigned long where;
+    _BitScanReverse (&where, number);
+    return 1 + where;
+  }
+#endif
+
   unsigned int n_bits = 0;
   while (number) {
     n_bits++;
     number >>= 1;
   }
   return n_bits;
-#endif
 }
 
 /* Returns the number of zero bits in the least significant side of number */
 static inline HB_CONST_FUNC unsigned int
 _hb_ctz (unsigned int number)
 {
-#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
-  return likely (number) ? __builtin_ctz (number) : 0;
-#elif defined(_MSC_VER)
-  unsigned long where;
-  if (_BitScanForward (&where, number)) return where;
-  return 0;
-#else
-  unsigned int n_bits = 0;
   if (unlikely (!number)) return 0;
+
+#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
+  return __builtin_ctz (number);
+#endif
+
+#if defined(_MSC_VER) || defined(__MINGW32__)
+  {
+    unsigned long where;
+    _BitScanForward (&where, number);
+     return where;
+  }
+#endif
+
+  unsigned int n_bits = 0;
   while (!(number & 1)) {
     n_bits++;
     number >>= 1;
   }
   return n_bits;
-#endif
 }
 
 static inline bool

From 82eb1dac163cb4aef8a2e4ebad542378f4e28dca Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 16:52:09 -0800
Subject: [PATCH 1192/1326] Flesh out other bit ops some more for 128bit as
 well

---
 src/hb-private.hh | 165 +++++++++++++++++++++++++++++++++++-----------
 1 file changed, 126 insertions(+), 39 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index d9cacbe01..7c2de1522 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -322,102 +322,189 @@ static_assert ((sizeof (hb_var_int_t) == 4), "");
 typedef const struct _hb_void_t *hb_void_t;
 #define HB_VOID ((const _hb_void_t *) nullptr)
 
-/* Return the number of 1 bits in mask. */
+/* Return the number of 1 bits in v. */
 template <typename T>
 static inline HB_CONST_FUNC unsigned int
-_hb_popcount (T mask)
+_hb_popcount (T v)
 {
 #if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) && defined(__OPTIMIZE__)
-  if (sizeof (unsigned int) >= sizeof (mask))
-    return __builtin_popcount (mask);
+  if (sizeof (T) <= sizeof (unsigned int))
+    return __builtin_popcount (v);
 
-  if (sizeof (unsigned long) >= sizeof (mask))
-      return __builtin_popcountl (mask);
+  if (sizeof (T) <= sizeof (unsigned long))
+    return __builtin_popcountl (v);
 
-  if (sizeof (unsigned long long) >= sizeof (mask))
-      return __builtin_popcountll (mask);
+  if (sizeof (T) <= sizeof (unsigned long long))
+    return __builtin_popcountll (v);
 #endif
 
   if (sizeof (T) <= 4)
   {
     /* "HACKMEM 169" */
     uint32_t y;
-    y = (mask >> 1) &033333333333;
-    y = mask - y - ((y >>1) & 033333333333);
+    y = (v >> 1) &033333333333;
+    y = v - y - ((y >>1) & 033333333333);
     return (((y + (y >> 3)) & 030707070707) % 077);
   }
 
   if (sizeof (T) == 8)
   {
     unsigned int shift = 32;
-    return _hb_popcount<uint32_t> ((uint32_t) mask) + _hb_popcount ((uint32_t) (mask >> shift));
+    return _hb_popcount<uint32_t> ((uint32_t) v) + _hb_popcount ((uint32_t) (v >> shift));
   }
 
   if (sizeof (T) == 16)
   {
     unsigned int shift = 64;
-    return _hb_popcount<uint64_t> ((uint64_t) mask) + _hb_popcount ((uint64_t) (mask >> shift));
+    return _hb_popcount<uint64_t> ((uint64_t) v) + _hb_popcount ((uint64_t) (v >> shift));
   }
 
-  unsigned int count = 0;
-  while (mask)
-  {
-    count += _hb_popcount<uint64_t> ((uint64_t) mask);
-    unsigned int shift = 64;
-    mask = (T) (mask >> shift);
-  }
+  assert (0);
 }
 
 /* Returns the number of bits needed to store number */
+template <typename T>
 static inline HB_CONST_FUNC unsigned int
-_hb_bit_storage (unsigned int number)
+_hb_bit_storage (T v)
 {
-  if (unlikely (!number)) return 0;
+  if (unlikely (!v)) return 0;
 
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
-  return sizeof (unsigned int) * 8 - __builtin_clz (number);
+  if (sizeof (T) <= sizeof (unsigned int))
+    return sizeof (unsigned int) * 8 - __builtin_clz (v);
+
+  if (sizeof (T) <= sizeof (unsigned long))
+    return sizeof (unsigned int) * 8 - __builtin_clzl (v);
+
+  if (sizeof (T) <= sizeof (unsigned long long))
+    return sizeof (unsigned int) * 8 - __builtin_clzll (v);
 #endif
 
 #if defined(_MSC_VER) || defined(__MINGW32__)
+  if (sizeof (T) <= sizeof (unsigned int))
   {
     unsigned long where;
-    _BitScanReverse (&where, number);
+    _BitScanReverse (&where, v);
     return 1 + where;
   }
+# if _WIN64
+  if (sizeof (T) <= 8)
+  {
+    unsigned long where;
+    _BitScanReverse64 (&where, v);
+    return 1 + where;
+  }
+# endif
 #endif
 
-  unsigned int n_bits = 0;
-  while (number) {
-    n_bits++;
-    number >>= 1;
+  if (sizeof (T) <= 4)
+  {
+    /* "bithacks" */
+    const unsigned int b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000};
+    const unsigned int S[] = {1, 2, 4, 8, 16};
+    unsigned int r = 0;
+    for (int i = 4; i >= 0; i--)
+      if (v & b[i])
+      {
+	v >>= S[i];
+	r |= S[i];
+      }
+    return r;
   }
-  return n_bits;
+  if (sizeof (T) <= 8)
+  {
+    /* "bithacks" */
+    const uint64_t b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000, 0xFFFFFFFF00000000};
+    const unsigned int S[] = {1, 2, 4, 8, 16, 32};
+    unsigned int r = 0;
+    for (int i = 5; i >= 0; i--)
+      if (v & b[i])
+      {
+	v >>= S[i];
+	r |= S[i];
+      }
+    return r;
+  }
+  if (sizeof (T) == 16)
+  {
+    unsigned int shift = 64;
+    return (v >> shift) ? _hb_bit_storage<uint64_t> ((uint64_t) v >> shift) + shift :
+			  _hb_bit_storage<uint64_t> ((uint64_t) v);
+  }
+
+  assert (0);
 }
 
-/* Returns the number of zero bits in the least significant side of number */
+/* Returns the number of zero bits in the least significant side of v */
+template <typename T>
 static inline HB_CONST_FUNC unsigned int
-_hb_ctz (unsigned int number)
+_hb_ctz (T v)
 {
-  if (unlikely (!number)) return 0;
+  if (unlikely (!v)) return 0;
 
 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
-  return __builtin_ctz (number);
+  if (sizeof (T) <= sizeof (unsigned int))
+    return __builtin_ctz (v);
+
+  if (sizeof (T) <= sizeof (unsigned long))
+    return __builtin_ctzl (v);
+
+  if (sizeof (T) <= sizeof (unsigned long long))
+    return __builtin_ctzll (v);
 #endif
 
 #if defined(_MSC_VER) || defined(__MINGW32__)
+  if (sizeof (T) <= sizeof (unsigned int))
   {
     unsigned long where;
-    _BitScanForward (&where, number);
-     return where;
+    _BitScanForward (&where, v);
+    return 1 + where;
   }
+# if _WIN64
+  if (sizeof (T) <= 8)
+  {
+    unsigned long where;
+    _BitScanForward64 (&where, v);
+    return 1 + where;
+  }
+# endif
 #endif
 
-  unsigned int n_bits = 0;
-  while (!(number & 1)) {
-    n_bits++;
-    number >>= 1;
+  if (sizeof (T) <= 4)
+  {
+    /* "bithacks" */
+    unsigned int c = 32;
+    v &= -signed(v);
+    if (v) c--;
+    if (v & 0x0000FFFF) c -= 16;
+    if (v & 0x00FF00FF) c -= 8;
+    if (v & 0x0F0F0F0F) c -= 4;
+    if (v & 0x33333333) c -= 2;
+    if (v & 0x55555555) c -= 1;
+    return c;
   }
-  return n_bits;
+  if (sizeof (T) <= 8)
+  {
+    /* "bithacks" */
+    unsigned int c = 64;
+    v &= -signed(v);
+    if (v) c--;
+    if (v & 0x00000000FFFFFFFF) c -= 32;
+    if (v & 0x0000FFFF0000FFFF) c -= 16;
+    if (v & 0x00FF00FF00FF00FF) c -= 8;
+    if (v & 0x0F0F0F0F0F0F0F0F) c -= 4;
+    if (v & 0x3333333333333333) c -= 2;
+    if (v & 0x5555555555555555) c -= 1;
+    return c;
+  }
+  if (sizeof (T) == 16)
+  {
+    unsigned int shift = 64;
+    return (uint64_t) v ? _hb_bit_storage<uint64_t> ((uint64_t) v) :
+			  _hb_bit_storage<uint64_t> ((uint64_t) v >> shift) + shift;
+  }
+
+  assert (0);
 }
 
 static inline bool

From 6d5c0bf8b18ed53e8d40dcbae83ec66ed2116843 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 17:33:26 -0800
Subject: [PATCH 1193/1326] Fix bitops fallback impl

---
 src/hb-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 7c2de1522..a8bc5ed10 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -402,7 +402,7 @@ _hb_bit_storage (T v)
     /* "bithacks" */
     const unsigned int b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000};
     const unsigned int S[] = {1, 2, 4, 8, 16};
-    unsigned int r = 0;
+    unsigned int r = 1;
     for (int i = 4; i >= 0; i--)
       if (v & b[i])
       {
@@ -416,7 +416,7 @@ _hb_bit_storage (T v)
     /* "bithacks" */
     const uint64_t b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000, 0xFFFFFFFF00000000};
     const unsigned int S[] = {1, 2, 4, 8, 16, 32};
-    unsigned int r = 0;
+    unsigned int r = 1;
     for (int i = 5; i >= 0; i--)
       if (v & b[i])
       {

From d25c3e69e9b0cb9d947e98845b9e3a14ce58e350 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 17:45:09 -0800
Subject: [PATCH 1194/1326] [set] Readjust parameters

---
 src/hb-set-private.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 0c73d32dc..55a529195 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -177,9 +177,8 @@ struct hb_set_t
       return 0;
     }
 
-    typedef uint32_t elt_t;
-    static const unsigned int ELT_BITS = sizeof (elt_t) * 8;
-    static const unsigned int PAGE_BITS = ELT_BITS * ELT_BITS; /* 1024. Use to tune. */
+    typedef unsigned long long elt_t;
+    static const unsigned int PAGE_BITS = 1024;
     static_assert ((PAGE_BITS & ((PAGE_BITS) - 1)) == 0, "");
 
 #if 0 && HAVE_VECTOR_SIZE
@@ -192,6 +191,7 @@ struct hb_set_t
 
     vector_t v;
 
+    static const unsigned int ELT_BITS = sizeof (elt_t) * 8;
     static const unsigned int ELT_MASK = ELT_BITS - 1;
     static const unsigned int BITS = sizeof (vector_t) * 8;
     static const unsigned int MASK = BITS - 1;

From 6a91a2eb04951f6e33706c2b8e9cd987b429fce9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 17:49:41 -0800
Subject: [PATCH 1195/1326] Fix wide bitops implemenetation

---
 src/hb-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index a8bc5ed10..c9e5a5ca3 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -374,10 +374,10 @@ _hb_bit_storage (T v)
     return sizeof (unsigned int) * 8 - __builtin_clz (v);
 
   if (sizeof (T) <= sizeof (unsigned long))
-    return sizeof (unsigned int) * 8 - __builtin_clzl (v);
+    return sizeof (unsigned long) * 8 - __builtin_clzl (v);
 
   if (sizeof (T) <= sizeof (unsigned long long))
-    return sizeof (unsigned int) * 8 - __builtin_clzll (v);
+    return sizeof (unsigned long long) * 8 - __builtin_clzll (v);
 #endif
 
 #if defined(_MSC_VER) || defined(__MINGW32__)

From f18b9fbf6583dff72675be7859fc147ec24a0dd2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 18:14:41 -0800
Subject: [PATCH 1196/1326] [set] Implement iteration using bitop intrinsics

---
 src/hb-set-private.hh | 55 +++++++++++++++----------------------------
 1 file changed, 19 insertions(+), 36 deletions(-)

diff --git a/src/hb-set-private.hh b/src/hb-set-private.hh
index 55a529195..49cd79122 100644
--- a/src/hb-set-private.hh
+++ b/src/hb-set-private.hh
@@ -109,21 +109,16 @@ struct hb_set_t
       unsigned int i = m / ELT_BITS;
       unsigned int j = m & ELT_MASK;
 
-      for (; j < ELT_BITS; j++)
-        if (v[i] & (elt_t (1) << j))
-	  goto found;
-      for (i++; i < len (); i++)
-        if (v[i])
-	  for (j = 0; j < ELT_BITS; j++)
-	    if (v[i] & (elt_t (1) << j))
-	      goto found;
+      const elt_t vv = v[i] & ~((elt_t (1) << j) - 1);
+      for (const elt_t *p = &vv; i < len (); p = &v[++i])
+	if (*p)
+	{
+	  *codepoint = i * ELT_BITS + elt_get_min (*p);
+	  return true;
+	}
 
       *codepoint = INVALID;
       return false;
-
-    found:
-      *codepoint = i * ELT_BITS + j;
-      return true;
     }
     inline bool previous (hb_codepoint_t *codepoint) const
     {
@@ -136,44 +131,29 @@ struct hb_set_t
       unsigned int i = m / ELT_BITS;
       unsigned int j = m & ELT_MASK;
 
-      for (; (int) j >= 0; j--)
-        if (v[i] & (elt_t (1) << j))
-	  goto found;
-      for (i--; (int) i >= 0; i--)
-        if (v[i])
-	  for (j = ELT_BITS - 1; (int) j >= 0; j--)
-	    if (v[i] & (elt_t (1) << j))
-	      goto found;
+      const elt_t vv = v[i] & ((elt_t (1) << (j + 1)) - 1);
+      for (const elt_t *p = &vv; (int) i >= 0; p = &v[--i])
+	if (*p)
+	{
+	  *codepoint = i * ELT_BITS + elt_get_max (*p);
+	  return true;
+	}
 
       *codepoint = INVALID;
       return false;
-
-    found:
-      *codepoint = i * ELT_BITS + j;
-      return true;
     }
     inline hb_codepoint_t get_min (void) const
     {
       for (unsigned int i = 0; i < len (); i++)
         if (v[i])
-	{
-	  elt_t e = v[i];
-	  for (unsigned int j = 0; j < ELT_BITS; j++)
-	    if (e & (elt_t (1) << j))
-	      return i * ELT_BITS + j;
-	}
+	  return i * ELT_BITS + elt_get_min (v[i]);
       return INVALID;
     }
     inline hb_codepoint_t get_max (void) const
     {
       for (int i = len () - 1; i >= 0; i--)
         if (v[i])
-	{
-	  elt_t e = v[i];
-	  for (int j = ELT_BITS - 1; j >= 0; j--)
-	    if (e & (elt_t (1) << j))
-	      return i * ELT_BITS + j;
-	}
+	  return i * ELT_BITS + elt_get_max (v[i]);
       return 0;
     }
 
@@ -181,6 +161,9 @@ struct hb_set_t
     static const unsigned int PAGE_BITS = 1024;
     static_assert ((PAGE_BITS & ((PAGE_BITS) - 1)) == 0, "");
 
+    static inline unsigned int elt_get_min (const elt_t &elt) { return _hb_ctz (elt); }
+    static inline unsigned int elt_get_max (const elt_t &elt) { return _hb_bit_storage (elt) - 1; }
+
 #if 0 && HAVE_VECTOR_SIZE
     /* The vectorized version does not work with clang as non-const
      * elt() errs "non-const reference cannot bind to vector element". */

From 4e517ecb6b7c27d4053a6476bb9262858e2567ed Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 18:20:12 -0800
Subject: [PATCH 1197/1326] Another bitops fallback impl fix

---
 src/hb-private.hh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index c9e5a5ca3..8461f641b 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -402,28 +402,28 @@ _hb_bit_storage (T v)
     /* "bithacks" */
     const unsigned int b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000};
     const unsigned int S[] = {1, 2, 4, 8, 16};
-    unsigned int r = 1;
+    unsigned int r = 0;
     for (int i = 4; i >= 0; i--)
       if (v & b[i])
       {
 	v >>= S[i];
 	r |= S[i];
       }
-    return r;
+    return r + 1;
   }
   if (sizeof (T) <= 8)
   {
     /* "bithacks" */
     const uint64_t b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000, 0xFFFFFFFF00000000};
     const unsigned int S[] = {1, 2, 4, 8, 16, 32};
-    unsigned int r = 1;
+    unsigned int r = 0;
     for (int i = 5; i >= 0; i--)
       if (v & b[i])
       {
 	v >>= S[i];
 	r |= S[i];
       }
-    return r;
+    return r + 1;
   }
   if (sizeof (T) == 16)
   {

From cd11107bb44ac719709e10264e9e6ba6a1cfae0c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 18:28:58 -0800
Subject: [PATCH 1198/1326] Another bitops fallback fix

I'm confident that all bugs are hashed out now.
---
 src/hb-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 8461f641b..583b56153 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -474,7 +474,7 @@ _hb_ctz (T v)
   {
     /* "bithacks" */
     unsigned int c = 32;
-    v &= -signed(v);
+    v &= - (int32_t) v;
     if (v) c--;
     if (v & 0x0000FFFF) c -= 16;
     if (v & 0x00FF00FF) c -= 8;
@@ -487,7 +487,7 @@ _hb_ctz (T v)
   {
     /* "bithacks" */
     unsigned int c = 64;
-    v &= -signed(v);
+    v &= - (int64_t) (v);
     if (v) c--;
     if (v & 0x00000000FFFFFFFF) c -= 32;
     if (v & 0x0000FFFF0000FFFF) c -= 16;

From d3684141437fad6ebf5f9945f92125c9a42ea853 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 15 Feb 2018 14:03:34 -0800
Subject: [PATCH 1199/1326] [subset] add helper methods to glyf accelerator for
 reading composite glyph information.

---
 src/hb-ot-glyf-table.hh | 115 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 112 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index e6b07a860..c6873fb50 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -81,9 +81,9 @@ struct glyf
   struct GlyphHeader
   {
     HBINT16		numberOfContours;	/* If the number of contours is
-					   * greater than or equal to zero,
-					   * this is a simple glyph; if negative,
-					   * this is a composite glyph. */
+                                                 * greater than or equal to zero,
+                                                 * this is a simple glyph; if negative,
+                                                 * this is a composite glyph. */
     FWORD		xMin;			/* Minimum x for coordinate data. */
     FWORD		yMin;			/* Minimum y for coordinate data. */
     FWORD		xMax;			/* Maximum x for coordinate data. */
@@ -92,6 +92,50 @@ struct glyf
     DEFINE_SIZE_STATIC (10);
   };
 
+  struct CompositeGlyphHeader
+  {
+    static const uint16_t ARG_1_AND_2_ARE_WORDS =      0x0001;
+    static const uint16_t ARGS_ARE_XY_VALUES =         0x0002;
+    static const uint16_t ROUND_XY_TO_GRID =           0x0004;
+    static const uint16_t WE_HAVE_A_SCALE =            0x0008;
+    static const uint16_t MORE_COMPONENTS =            0x0020;
+    static const uint16_t WE_HAVE_AN_X_AND_Y_SCALE =   0x0040;
+    static const uint16_t WE_HAVE_A_TWO_BY_TWO =       0x0080;
+    static const uint16_t WE_HAVE_INSTRUCTIONS =       0x0100;
+    static const uint16_t USE_MY_METRICS =             0x0200;
+    static const uint16_t OVERLAP_COMPOUND =           0x0400;
+    static const uint16_t SCALED_COMPONENT_OFFSET =    0x0800;
+    static const uint16_t UNSCALED_COMPONENT_OFFSET =  0x1000;
+
+    HBUINT16 flags;
+    HBUINT16 glyphIndex;
+
+    inline unsigned int get_size (void) const
+    {
+      unsigned int size = min_size;
+      if (flags & ARG_1_AND_2_ARE_WORDS) {
+        // arg1 and 2 are int16
+        size += 4;
+      } else {
+        // arg1 and 2 are int8
+        size += 2;
+      }
+      if (flags & WE_HAVE_A_SCALE) {
+        // One x 16 bit (scale)
+        size += 2;
+      } else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) {
+        // Two x 16 bit (xscale, yscale)
+        size += 4;
+      } else if (flags & WE_HAVE_A_TWO_BY_TWO) {
+        // Four x 16 bit (xscale, scale01, scale10, yscale)
+        size += 8;
+      }
+      return size;
+    }
+
+    DEFINE_SIZE_MIN (4);
+  };
+
   struct accelerator_t
   {
     inline void init (hb_face_t *face)
@@ -122,6 +166,71 @@ struct glyf
       hb_blob_destroy (glyf_blob);
     }
 
+    inline bool in_table (const char *offset, unsigned int len) const
+    {
+      return (offset - (const char *) glyf_table + len) <= glyf_len;
+    }
+
+    inline bool in_table (const CompositeGlyphHeader *header) const
+    {
+      return in_table ((const char *) header, CompositeGlyphHeader::min_size)
+          && in_table ((const char *) header, header->get_size());
+    }
+
+    inline bool in_glyph (const CompositeGlyphHeader *header,
+                          unsigned int start_offset,
+                          unsigned int end_offset)
+    {
+      do
+      {
+        unsigned int offset_in_glyf = (const char *) header - (const char*) glyf_table;
+        if (offset_in_glyf < start_offset
+            || offset_in_glyf + header->get_size() > end_offset)
+          return false;
+      } while (next_composite (&header));
+      return true;
+    }
+
+    /*
+     * Returns true if the referenced glyph is a valid glyph and a composite glyph.
+     * If true is returned a pointer to the composite glyph will be written into
+     * composite.
+     */
+    inline bool get_composite (hb_codepoint_t glyph, const CompositeGlyphHeader ** composite /* OUT */)
+    {
+      unsigned int start_offset, end_offset;
+      if (!get_offsets (glyph, &start_offset, &end_offset))
+        return false; /* glyph not found */
+
+      if (end_offset - start_offset < GlyphHeader::static_size)
+	return false; /* Empty glyph; zero extents. */
+
+      const GlyphHeader &glyph_header = StructAtOffset<GlyphHeader> (glyf_table, start_offset);
+      if (glyph_header.numberOfContours < 0) {
+        const CompositeGlyphHeader *possible = &StructAfter<CompositeGlyphHeader, GlyphHeader> (glyph_header);
+        if (!in_table (possible)
+            || !in_glyph (possible, start_offset, end_offset))
+          return false;
+        *composite = possible;
+        return true;
+      }
+
+      return false;
+    }
+
+    inline bool next_composite (const CompositeGlyphHeader ** next /* IN/OUT */) const
+    {
+      if ((*next)->flags & CompositeGlyphHeader::MORE_COMPONENTS)
+      {
+        const CompositeGlyphHeader *possible = &StructAfter<CompositeGlyphHeader, CompositeGlyphHeader> (**next);
+        if (!in_table (possible))
+          return false;
+        *next = possible;
+        return true;
+      }
+      return false;
+    }
+
     inline bool get_offsets (hb_codepoint_t  glyph,
                              unsigned int   *start_offset /* OUT */,
                              unsigned int   *end_offset   /* OUT */) const

From 73e1434814eb37005b4159babf972a2743b25700 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 15 Feb 2018 14:41:56 -0800
Subject: [PATCH 1200/1326] [subset] Add a DFS search to produce a closure of
 composite glyphs.

---
 src/hb-subset-plan.cc | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 034180a0c..ea46e5f79 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -93,6 +93,27 @@ _populate_codepoints (hb_set_t *input_codepoints,
   plan_codepoints.qsort (_hb_codepoint_t_cmp);
 }
 
+static void
+_add_composite_gids (const OT::glyf::accelerator_t &glyf,
+                     hb_codepoint_t gid,
+                     hb_set_t *gids_to_retain)
+{
+  if (hb_set_has (gids_to_retain, gid))
+    // Already visited this gid, ignore.
+    return;
+
+  hb_set_add (gids_to_retain, gid);
+
+  const OT::glyf::CompositeGlyphHeader *composite;
+  if (glyf.get_composite (gid, &composite))
+  {
+    do
+    {
+      _add_composite_gids (glyf, (hb_codepoint_t) composite->glyphIndex, gids_to_retain);
+    } while (glyf.next_composite (&composite);
+  }
+}
+
 static void
 _populate_gids_to_retain (hb_face_t *face,
                           hb_prealloced_array_t<hb_codepoint_t>& codepoints,

From 58a54c9d4f72e228c012451c4469da730742d3d8 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 16 Feb 2018 11:20:38 -0700
Subject: [PATCH 1201/1326] [subset] add constant to get_composite and in_table
 methods in hb-ot-glyf-table

---
 src/hb-ot-glyf-table.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index c6873fb50..7af981e41 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -179,7 +179,7 @@ struct glyf
 
     inline bool in_glyph (const CompositeGlyphHeader *header,
                           unsigned int start_offset,
-                          unsigned int end_offset)
+                          unsigned int end_offset) const
     {
       do
       {
@@ -196,7 +196,7 @@ struct glyf
      * If true is returned a pointer to the composite glyph will be written into
      * composite.
      */
-    inline bool get_composite (hb_codepoint_t glyph, const CompositeGlyphHeader ** composite /* OUT */)
+    inline bool get_composite (hb_codepoint_t glyph, const CompositeGlyphHeader ** composite /* OUT */) const
     {
       unsigned int start_offset, end_offset;
       if (!get_offsets (glyph, &start_offset, &end_offset))

From dcac9fe96429d4e272a3fbd60a6162f988f58f71 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 16 Feb 2018 11:27:03 -0700
Subject: [PATCH 1202/1326] [subset] Use complex glyph closure to populate
 gids_to_retain_sorted.

---
 src/hb-subset-plan.cc | 43 ++++++++++++++++++++++++-------------------
 src/hb-subset-plan.hh |  6 ++++++
 2 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index ea46e5f79..58b9f1ebb 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -28,6 +28,7 @@
 
 #include "hb-subset-plan.hh"
 #include "hb-ot-cmap-table.hh"
+#include "hb-ot-glyf-table.hh"
 
 static int
 _hb_codepoint_t_cmp (const void *pa, const void *pb)
@@ -94,9 +95,9 @@ _populate_codepoints (hb_set_t *input_codepoints,
 }
 
 static void
-_add_composite_gids (const OT::glyf::accelerator_t &glyf,
-                     hb_codepoint_t gid,
-                     hb_set_t *gids_to_retain)
+_add_gid_and_children (const OT::glyf::accelerator_t &glyf,
+		       hb_codepoint_t gid,
+		       hb_set_t *gids_to_retain)
 {
   if (hb_set_has (gids_to_retain, gid))
     // Already visited this gid, ignore.
@@ -109,8 +110,8 @@ _add_composite_gids (const OT::glyf::accelerator_t &glyf,
   {
     do
     {
-      _add_composite_gids (glyf, (hb_codepoint_t) composite->glyphIndex, gids_to_retain);
-    } while (glyf.next_composite (&composite);
+      _add_gid_and_children (glyf, (hb_codepoint_t) composite->glyphIndex, gids_to_retain);
+    } while (glyf.next_composite (&composite));
   }
 }
 
@@ -121,21 +122,19 @@ _populate_gids_to_retain (hb_face_t *face,
                           hb_prealloced_array_t<hb_codepoint_t>& old_gids_sorted)
 {
   OT::cmap::accelerator_t cmap;
+  OT::glyf::accelerator_t glyf;
   cmap.init (face);
+  glyf.init (face);
 
   hb_auto_array_t<unsigned int> bad_indices;
 
   old_gids.alloc (codepoints.len);
-  bool has_zero = false;
   for (unsigned int i = 0; i < codepoints.len; i++) {
     hb_codepoint_t gid;
     if (!cmap.get_nominal_glyph (codepoints[i], &gid)) {
       gid = -1;
       *(bad_indices.push ()) = i;
     }
-    if (gid == 0) {
-      has_zero = true;
-    }
     *(old_gids.push ()) = gid;
   }
 
@@ -148,19 +147,25 @@ _populate_gids_to_retain (hb_face_t *face,
     old_gids.remove (i);
   }
 
-  // Populate a second glyph id array that is sorted by glyph id
-  // and is gauranteed to contain 0.
-  old_gids_sorted.alloc (old_gids.len + (has_zero ? 0 : 1));
-  for (unsigned int i = 0; i < old_gids.len; i++) {
-    *(old_gids_sorted.push ()) = old_gids[i];
+  // Populate a full set of glyphs to retain by adding all referenced
+  // composite glyphs.
+  // TODO expand with glyphs reached by G*
+  hb_set_t * all_gids_to_retain = hb_set_create ();
+  _add_gid_and_children (glyf, 0, all_gids_to_retain);
+  for (unsigned int i = 0; i < old_gids.len; i++)
+  {
+    _add_gid_and_children (glyf, old_gids[i], all_gids_to_retain);
+  }
+
+  // Transfer to a sorted list.
+  unsigned int gid = HB_SET_VALUE_INVALID;
+  while (hb_set_next (all_gids_to_retain, &gid))
+  {
+    *(old_gids_sorted.push ()) = gid;
   }
-  if (!has_zero)
-    *(old_gids_sorted.push ()) = 0;
   old_gids_sorted.qsort (_hb_codepoint_t_cmp);
 
-  // TODO(Q1) expand with glyphs that make up complex glyphs
-  // TODO expand with glyphs reached by G*
-  //
+  glyf.fini ();
   cmap.fini ();
 }
 
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index 9a4308f9d..b656faa6d 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -38,8 +38,14 @@ struct hb_subset_plan_t {
   // TODO(Q1) actual map, drop this crap
   // Look at me ma, I'm a poor mans map codepoint : new gid
   // codepoints is sorted and aligned with gids_to_retain.
+
+  // These first two lists provide a mapping from cp -> gid
+  // As a result it does not list the full set of glyphs to retain.
   hb_prealloced_array_t<hb_codepoint_t> codepoints;
   hb_prealloced_array_t<hb_codepoint_t> gids_to_retain;
+
+  // This list contains the complete set of glyphs to retain and may contain
+  // more glyphs then the lists above.
   hb_prealloced_array_t<hb_codepoint_t> gids_to_retain_sorted;
 
   // Plan is only good for a specific source/dest so keep them with it

From dc6d67df1395faf38d7587b1dd3c6661ee7cd6f0 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 16 Feb 2018 15:20:14 -0700
Subject: [PATCH 1203/1326] [subset] Use gids_to_retain_sorted to produce old
 gid -> new gid mapping since it now has the more complete set.

---
 src/hb-subset-plan.cc | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 58b9f1ebb..fca65c5a2 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -63,10 +63,11 @@ hb_subset_plan_new_gid_for_old_id (hb_subset_plan_t *plan,
                                    hb_codepoint_t *new_gid)
 {
   // the index in old_gids is the new gid; only up to codepoints.len are valid
-  for (unsigned int i = 0; i < plan->gids_to_retain.len; i++) {
-    if (plan->gids_to_retain[i] == old_gid) {
-      // +1: assign new gids from 1..N; 0 is special
-      *new_gid = i + 1;
+  for (unsigned int i = 0; i < plan->gids_to_retain_sorted.len; i++)
+  {
+    if (plan->gids_to_retain_sorted[i] == old_gid)
+    {
+      *new_gid = i;
       return true;
     }
   }
@@ -158,6 +159,7 @@ _populate_gids_to_retain (hb_face_t *face,
   }
 
   // Transfer to a sorted list.
+  old_gids_sorted.alloc (hb_set_get_population (all_gids_to_retain));
   unsigned int gid = HB_SET_VALUE_INVALID;
   while (hb_set_next (all_gids_to_retain, &gid))
   {

From 49544eb860e523838892d6ce88eeca72ffd19da4 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 16 Feb 2018 16:56:15 -0700
Subject: [PATCH 1204/1326] [subset] Refactor composite glyf iteration code
 into an Iterator outside of the accelerator.

---
 src/hb-ot-glyf-table.hh | 110 +++++++++++++++++++++-------------------
 src/hb-subset-plan.cc   |   6 +--
 2 files changed, 60 insertions(+), 56 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 7af981e41..a73fd4aaa 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -133,6 +133,58 @@ struct glyf
       return size;
     }
 
+    struct Iterator
+    {
+      const char *glyph_start;
+      const char *glyph_end;
+      const CompositeGlyphHeader *current;
+
+      inline bool move_to_next ()
+      {
+	if (current->flags & CompositeGlyphHeader::MORE_COMPONENTS)
+	{
+	  const CompositeGlyphHeader *possible =
+	    &StructAfter<CompositeGlyphHeader, CompositeGlyphHeader> (*current);
+	  if (!in_range (possible))
+	    return false;
+	  current = possible;
+	  return true;
+	}
+	return false;
+      }
+
+      inline bool in_range (const CompositeGlyphHeader *composite) const
+      {
+	return (const char *) composite >= glyph_start
+	  && ((const char *) composite + CompositeGlyphHeader::min_size) <= glyph_end
+	  && ((const char *) composite + composite->get_size()) <= glyph_end;
+      }
+    };
+
+    static inline bool get_iterator (const char * glyph_data,
+				     unsigned int length,
+				     CompositeGlyphHeader::Iterator *iterator /* OUT */)
+    {
+      if (length < GlyphHeader::static_size)
+	return false; /* Empty glyph; zero extents. */
+
+      const GlyphHeader &glyph_header = StructAtOffset<GlyphHeader> (glyph_data, 0);
+      if (glyph_header.numberOfContours < 0)
+      {
+        const CompositeGlyphHeader *possible =
+	  &StructAfter<CompositeGlyphHeader, GlyphHeader> (glyph_header);
+
+	iterator->glyph_start = glyph_data;
+	iterator->glyph_end = (const char *) glyph_data + length;
+	if (!iterator->in_range (possible))
+          return false;
+        iterator->current = possible;
+        return true;
+      }
+
+      return false;
+    }
+
     DEFINE_SIZE_MIN (4);
   };
 
@@ -166,69 +218,21 @@ struct glyf
       hb_blob_destroy (glyf_blob);
     }
 
-    inline bool in_table (const char *offset, unsigned int len) const
-    {
-      return (offset - (const char *) glyf_table + len) <= glyf_len;
-    }
-
-    inline bool in_table (const CompositeGlyphHeader *header) const
-    {
-      return in_table ((const char *) header, CompositeGlyphHeader::min_size)
-          && in_table ((const char *) header, header->get_size());
-    }
-
-    inline bool in_glyph (const CompositeGlyphHeader *header,
-                          unsigned int start_offset,
-                          unsigned int end_offset) const
-    {
-      do
-      {
-        unsigned int offset_in_glyf = (const char *) header - (const char*) glyf_table;
-        if (offset_in_glyf < start_offset
-            || offset_in_glyf + header->get_size() > end_offset)
-          return false;
-      } while (next_composite (&header));
-      return true;
-    }
-
     /*
      * Returns true if the referenced glyph is a valid glyph and a composite glyph.
      * If true is returned a pointer to the composite glyph will be written into
      * composite.
      */
-    inline bool get_composite (hb_codepoint_t glyph, const CompositeGlyphHeader ** composite /* OUT */) const
+    inline bool get_composite (hb_codepoint_t glyph,
+			       CompositeGlyphHeader::Iterator *composite /* OUT */) const
     {
       unsigned int start_offset, end_offset;
       if (!get_offsets (glyph, &start_offset, &end_offset))
         return false; /* glyph not found */
 
-      if (end_offset - start_offset < GlyphHeader::static_size)
-	return false; /* Empty glyph; zero extents. */
-
-      const GlyphHeader &glyph_header = StructAtOffset<GlyphHeader> (glyf_table, start_offset);
-      if (glyph_header.numberOfContours < 0) {
-        const CompositeGlyphHeader *possible = &StructAfter<CompositeGlyphHeader, GlyphHeader> (glyph_header);
-        if (!in_table (possible)
-            || !in_glyph (possible, start_offset, end_offset))
-          return false;
-        *composite = possible;
-        return true;
-      }
-
-      return false;
-    }
-
-    inline bool next_composite (const CompositeGlyphHeader ** next /* IN/OUT */) const
-    {
-      if ((*next)->flags & CompositeGlyphHeader::MORE_COMPONENTS)
-      {
-        const CompositeGlyphHeader *possible = &StructAfter<CompositeGlyphHeader, CompositeGlyphHeader> (**next);
-        if (!in_table (possible))
-          return false;
-        *next = possible;
-        return true;
-      }
-      return false;
+      return CompositeGlyphHeader::get_iterator ((const char*) this->glyf_table + start_offset,
+						 end_offset - start_offset,
+						 composite);
     }
 
     inline bool get_offsets (hb_codepoint_t  glyph,
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index fca65c5a2..d017cca17 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -106,13 +106,13 @@ _add_gid_and_children (const OT::glyf::accelerator_t &glyf,
 
   hb_set_add (gids_to_retain, gid);
 
-  const OT::glyf::CompositeGlyphHeader *composite;
+  OT::glyf::CompositeGlyphHeader::Iterator composite;
   if (glyf.get_composite (gid, &composite))
   {
     do
     {
-      _add_gid_and_children (glyf, (hb_codepoint_t) composite->glyphIndex, gids_to_retain);
-    } while (glyf.next_composite (&composite));
+      _add_gid_and_children (glyf, (hb_codepoint_t) composite.current->glyphIndex, gids_to_retain);
+    } while (composite.move_to_next());
   }
 }
 

From 2130392dcc30784ee34c487ab16316006c91f16d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 16 Feb 2018 17:01:00 -0700
Subject: [PATCH 1205/1326] [subset] Add support for updating reference gids in
 components to their new values.

---
 src/hb-subset-glyf.cc | 38 +++++++++++++++++++++++++++++++++-----
 1 file changed, 33 insertions(+), 5 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index f1bca10db..7dfe0ba45 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -28,6 +28,7 @@
 #include "hb-ot-glyf-table.hh"
 #include "hb-set.h"
 #include "hb-subset-glyf.hh"
+#include "hb-subset-plan.hh"
 
 static bool
 _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
@@ -70,16 +71,41 @@ _write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *lo
   }
 }
 
+static void
+_update_components (hb_subset_plan_t * plan,
+		    char * glyph_start,
+		    unsigned int length)
+
+{
+  OT::glyf::CompositeGlyphHeader::Iterator iterator;
+  if (OT::glyf::CompositeGlyphHeader::get_iterator (glyph_start,
+						    length,
+						    &iterator))
+  {
+    do
+    {
+      hb_codepoint_t new_gid;
+      if (!hb_subset_plan_new_gid_for_old_id (plan,
+					      iterator.current->glyphIndex,
+					      &new_gid))
+	continue;
+
+      ((OT::glyf::CompositeGlyphHeader *) iterator.current)->glyphIndex.set (new_gid);
+    } while (iterator.move_to_next());
+  }
+}
+
 static bool
-_write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
+_write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
+			    const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
-                            hb_prealloced_array_t<hb_codepoint_t> &glyph_ids,
                             bool                           use_short_loca,
                             int                            glyf_prime_size,
                             char                          *glyf_prime_data /* OUT */,
                             int                            loca_prime_size,
                             char                          *loca_prime_data /* OUT */)
 {
+  hb_prealloced_array_t<hb_codepoint_t> &glyph_ids = plan->gids_to_retain_sorted;
   char *glyf_prime_data_next = glyf_prime_data;
 
   for (unsigned int i = 0; i < glyph_ids.len; i++)
@@ -92,6 +118,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
     memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
 
     _write_loca_entry (i, glyf_prime_data_next - glyf_prime_data, use_short_loca, loca_prime_data);
+    _update_components (plan, glyf_prime_data_next, end_offset - start_offset);
 
     glyf_prime_data_next += length;
   }
@@ -104,7 +131,7 @@ _write_glyf_and_loca_prime (const OT::glyf::accelerator_t &glyf,
 static bool
 _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           const char                     *glyf_data,
-                          hb_prealloced_array_t<hb_codepoint_t>&glyphs_to_retain,
+			  hb_subset_plan_t               *plan,
                           bool                           *use_short_loca,
                           hb_blob_t                     **glyf_prime /* OUT */,
                           hb_blob_t                     **loca_prime /* OUT */)
@@ -112,6 +139,7 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
   // TODO(grieger): Sanity check writes to make sure they are in-bounds.
   // TODO(grieger): Sanity check allocation size for the new table.
   // TODO(grieger): Don't fail on bad offsets, just dump them.
+  hb_prealloced_array_t<hb_codepoint_t> &glyphs_to_retain = plan->gids_to_retain_sorted;
 
   unsigned int glyf_prime_size;
   unsigned int loca_prime_size;
@@ -126,7 +154,7 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
 
   char *glyf_prime_data = (char *) malloc (glyf_prime_size);
   char *loca_prime_data = (char *) malloc (loca_prime_size);
-  if (unlikely (!_write_glyf_and_loca_prime (glyf, glyf_data, glyphs_to_retain,
+  if (unlikely (!_write_glyf_and_loca_prime (plan, glyf, glyf_data,
                                              *use_short_loca,
                                              glyf_prime_size, glyf_prime_data,
                                              loca_prime_size, loca_prime_data))) {
@@ -168,7 +196,7 @@ hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
   glyf.init(plan->source);
   bool result = _hb_subset_glyf_and_loca (glyf,
                                           glyf_data,
-                                          plan->gids_to_retain_sorted,
+                                          plan,
                                           use_short_loca,
                                           glyf_prime,
                                           loca_prime);

From c36d015b0e9c363431cd9d228b776ad419fde474 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 16 Feb 2018 17:02:15 -0700
Subject: [PATCH 1206/1326] [subset] missing return.

---
 test/api/hb-subset-test.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 12d402d33..e86256747 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -86,6 +86,7 @@ hb_subset_test_open_font (const char *font_path)
     return face;
   }
   g_assert (false);
+  return NULL;
 }
 
 static inline hb_face_t *

From df9e22656de746bde65dee775a66f1a80f1c2e32 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 16 Feb 2018 17:02:51 -0700
Subject: [PATCH 1207/1326] [subset] add a glyf subsetting test for a font with
 composite glyphs.

---
 .../Roboto-Regular.components.subset.ttf      | Bin 0 -> 2052 bytes
 test/api/fonts/Roboto-Regular.components.ttf  | Bin 0 -> 2572 bytes
 test/api/test-subset-glyf.c                   |  21 ++++++++++++++++++
 3 files changed, 21 insertions(+)
 create mode 100644 test/api/fonts/Roboto-Regular.components.subset.ttf
 create mode 100644 test/api/fonts/Roboto-Regular.components.ttf

diff --git a/test/api/fonts/Roboto-Regular.components.subset.ttf b/test/api/fonts/Roboto-Regular.components.subset.ttf
new file mode 100644
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zB4UhyeLq()>DH(KtOy6$(x4QFagN|be{7{R0aNhq<);29J_l!Fi>&w@e|AgGBp!a$
z$C+1EyN`xBi~G3X<!rm=<DysX;bKG2K-3dcvubuvGOPBeqlqM!8gz~escg)za)?Ba
zA{~rsJQQ=^5mT{Pr;khI26v!!Hiiz4tvNuhtNg1zZt(6^x!Bkr{aTdIgxx$8j=42W
z?dD7UQN9#*Yq6M*%Xf0bT%S6+sg$kJ%jNApu9Q4PqCDj05X)xCUnJ_$_)IqI&SC|(
z@zULRk-`5eLSI&32f7#8Oh39p=F!}w@Ms<lGmM3O+~nOGiFRX(8m3t0<=eV_-0bB|
z$SmI6RyM0<BhiZ?Jj0<y1!f1M7h#)tJri?t4<@V5F50kfYdWfOgO`V97gabI%{4*T
zeG!_(>tWPenmIH>p4o(EmbWvc3--=HgWCp5Gc2$N?%Sa`P+SnA58Sg&m&Aduwl`Fg
zPI~m=uI6fz3_)*QwUs3K8;5#Y-6R>md-Cg@9+H%Ajr8B^BFQw^9c<LSlsz8b8{9%V
z^E1hPB|FO}`Rq^^={7iQ7L!a;c~|S!&32Nkq4uUN`d(ZAS4vqyzQSz80!rtW-{oQ_
z@`s6hn~2}VCi8tn(nRKnTp&^;QtM(<v}1~POwo?1ytRh*68Srk+8VSwOk|G8?}-$N
z?5aWIG!egwc4;JdDPTLi0W*+=X}E%4;C*lqPD30Xfp(z_-i17zfe+BiQHX;>I0vez
zfm!MVhx8)Y@De%XP2gm2fn8pLa`_XypQRx{4c%ag?j_yGk}Tj0XMq7o!x5a5I0qnw
zcXJBHAORC-rH|q<`d{Gx47&LWeld#ptsoiSOMTQJV)`peZwB3TS}nZ=7L-dmz?UQd
z_k$Gfd1w$^Lr+YMfoo(U^%%Iu5|hWlMXxphdZ!)ivDCzIj7HvQO1eje8mfpa8Gf%Q
ek{+#iea*5ATA}@}81;ILdOb${ofv3-d;AyLMPU^H

literal 0
HcmV?d00001

diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 3c9d8fe9f..96e37bbcb 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -52,6 +52,26 @@ test_subset_glyf (void)
   hb_face_destroy (face_ac);
 }
 
+static void
+test_subset_glyf_with_components (void)
+{
+  hb_face_t *face_components = hb_subset_test_open_font ("fonts/Roboto-Regular.components.ttf");
+  hb_face_t *face_subset = hb_subset_test_open_font ("fonts/Roboto-Regular.components.subset.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 0x1fc);
+  hb_face_t *face_generated_subset = hb_subset_test_create_subset (face_components, codepoints);
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('g','l','y','f'));
+  hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('l','o','c', 'a'));
+  hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('m','a','x', 'p'));
+
+  hb_face_destroy (face_generated_subset);
+  hb_face_destroy (face_subset);
+  hb_face_destroy (face_components);
+}
+
 static void
 test_subset_glyf_noop (void)
 {
@@ -79,6 +99,7 @@ main (int argc, char **argv)
   hb_test_init (&argc, &argv);
 
   hb_test_add (test_subset_glyf);
+  hb_test_add (test_subset_glyf_with_components);
   hb_test_add (test_subset_glyf_noop);
 
   return hb_test_run();

From e5ab34fd3a104f7ff2f0b36c66770c88b2ea1051 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 16:58:17 -0800
Subject: [PATCH 1208/1326] Misc fixes

Should bring bag djgpp bot.
---
 src/hb-ot-os2-table.hh | 54 +++++++++++++++++++++---------------------
 src/hb-subset-plan.cc  | 16 ++++++-------
 2 files changed, 34 insertions(+), 36 deletions(-)

diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 18dc4ab07..2d9d21495 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -78,7 +78,7 @@ struct os2
   {
     hb_codepoint_t min = -1, max = 0;
 
-    for (int i = 0; i < codepoints.len; i++)
+    for (unsigned int i = 0; i < codepoints.len; i++)
     {
       hb_codepoint_t cp = codepoints[i];
       if (cp < min)
@@ -100,47 +100,47 @@ struct os2
   HBUINT16	version;
 
   /* Version 0 */
-  HBINT16		xAvgCharWidth;
+  HBINT16	xAvgCharWidth;
   HBUINT16	usWeightClass;
   HBUINT16	usWidthClass;
   HBUINT16	fsType;
-  HBINT16		ySubscriptXSize;
-  HBINT16		ySubscriptYSize;
-  HBINT16		ySubscriptXOffset;
-  HBINT16		ySubscriptYOffset;
-  HBINT16		ySuperscriptXSize;
-  HBINT16		ySuperscriptYSize;
-  HBINT16		ySuperscriptXOffset;
-  HBINT16		ySuperscriptYOffset;
-  HBINT16		yStrikeoutSize;
-  HBINT16		yStrikeoutPosition;
-  HBINT16		sFamilyClass;
-  HBUINT8		panose[10];
-  HBUINT32		ulUnicodeRange[4];
+  HBINT16	ySubscriptXSize;
+  HBINT16	ySubscriptYSize;
+  HBINT16	ySubscriptXOffset;
+  HBINT16	ySubscriptYOffset;
+  HBINT16	ySuperscriptXSize;
+  HBINT16	ySuperscriptYSize;
+  HBINT16	ySuperscriptXOffset;
+  HBINT16	ySuperscriptYOffset;
+  HBINT16	yStrikeoutSize;
+  HBINT16	yStrikeoutPosition;
+  HBINT16	sFamilyClass;
+  HBUINT8	panose[10];
+  HBUINT32	ulUnicodeRange[4];
   Tag		achVendID;
   HBUINT16	fsSelection;
   HBUINT16	usFirstCharIndex;
   HBUINT16	usLastCharIndex;
-  HBINT16		sTypoAscender;
-  HBINT16		sTypoDescender;
-  HBINT16		sTypoLineGap;
+  HBINT16	sTypoAscender;
+  HBINT16	sTypoDescender;
+  HBINT16	sTypoLineGap;
   HBUINT16	usWinAscent;
   HBUINT16	usWinDescent;
 
   /* Version 1 */
-  //HBUINT32 ulCodePageRange1;
-  //HBUINT32 ulCodePageRange2;
+  //HBUINT32	ulCodePageRange1;
+  //HBUINT32	ulCodePageRange2;
 
   /* Version 2 */
-  //HBINT16 sxHeight;
-  //HBINT16 sCapHeight;
-  //HBUINT16  usDefaultChar;
-  //HBUINT16  usBreakChar;
-  //HBUINT16  usMaxContext;
+  //HBINT16	sxHeight;
+  //HBINT16	sCapHeight;
+  //HBUINT16	usDefaultChar;
+  //HBUINT16	usBreakChar;
+  //HBUINT16	usMaxContext;
 
   /* Version 5 */
-  //HBUINT16  usLowerOpticalPointSize;
-  //HBUINT16  usUpperOpticalPointSize;
+  //HBUINT16	usLowerOpticalPointSize;
+  //HBUINT16	usUpperOpticalPointSize;
 
   public:
   DEFINE_SIZE_STATIC (78);
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index d017cca17..b9e299add 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -130,9 +130,11 @@ _populate_gids_to_retain (hb_face_t *face,
   hb_auto_array_t<unsigned int> bad_indices;
 
   old_gids.alloc (codepoints.len);
-  for (unsigned int i = 0; i < codepoints.len; i++) {
+  for (unsigned int i = 0; i < codepoints.len; i++)
+  {
     hb_codepoint_t gid;
-    if (!cmap.get_nominal_glyph (codepoints[i], &gid)) {
+    if (!cmap.get_nominal_glyph (codepoints[i], &gid))
+    {
       gid = -1;
       *(bad_indices.push ()) = i;
     }
@@ -140,7 +142,8 @@ _populate_gids_to_retain (hb_face_t *face,
   }
 
   /* Generally there shouldn't be any */
-  while (bad_indices.len > 0) {
+  while (bad_indices.len > 0)
+  {
     unsigned int i = bad_indices[bad_indices.len - 1];
     bad_indices.pop ();
     DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", codepoints[i]);
@@ -154,18 +157,13 @@ _populate_gids_to_retain (hb_face_t *face,
   hb_set_t * all_gids_to_retain = hb_set_create ();
   _add_gid_and_children (glyf, 0, all_gids_to_retain);
   for (unsigned int i = 0; i < old_gids.len; i++)
-  {
     _add_gid_and_children (glyf, old_gids[i], all_gids_to_retain);
-  }
 
   // Transfer to a sorted list.
   old_gids_sorted.alloc (hb_set_get_population (all_gids_to_retain));
-  unsigned int gid = HB_SET_VALUE_INVALID;
+  hb_codepoint_t gid = HB_SET_VALUE_INVALID;
   while (hb_set_next (all_gids_to_retain, &gid))
-  {
     *(old_gids_sorted.push ()) = gid;
-  }
-  old_gids_sorted.qsort (_hb_codepoint_t_cmp);
 
   glyf.fini ();
   cmap.fini ();

From 6d56db8983e03fbebbeb61282bef8cb1f9abb8e2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 17:02:57 -0800
Subject: [PATCH 1209/1326] [test/api] Distribute all fonts

---
 test/api/Makefile.am | 21 ++-------------------
 1 file changed, 2 insertions(+), 19 deletions(-)

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 358cd57f0..ecf447545 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -12,6 +12,8 @@ lib:
 
 EXTRA_DIST += CMakeLists.txt
 
+EXTRA_DIST += fonts
+
 if HAVE_GLIB
 AM_CPPFLAGS = -DSRCDIR="\"$(srcdir)\"" -I$(top_srcdir)/src/ -I$(top_builddir)/src/ $(GLIB_CFLAGS)
 LDADD = $(top_builddir)/src/libharfbuzz.la $(GLIB_LIBS)
@@ -66,25 +68,6 @@ TEST_PROGS += \
 	$(NULL)
 test_ot_math_LDADD = $(LDADD) $(FREETYPE_LIBS)
 test_ot_math_CPPFLAGS = $(AM_CPPFLAGS) $(FREETYPE_CFLAGS)
-EXTRA_DIST += \
-	fonts/Inconsolata-Regular.ab.ttf \
-	fonts/Inconsolata-Regular.abc.ttf \
-	fonts/Inconsolata-Regular.abc.widerc.ttf \
-	fonts/Inconsolata-Regular.ac.ttf \
-	fonts/Inconsolata-Regular.ac.widerc.ttf \
-	fonts/Roboto-Regular.abc.cmap-format12-only.ttf \
-	fonts/Roboto-Regular.ac.cmap-format12-only.ttf \
-	fonts/Roboto-Regular.b.ttf \
-	fonts/Roboto-Regular.abc.ttf \
-	fonts/Roboto-Regular.ac.ttf \
-	fonts/MathTestFontEmpty.otf \
-	fonts/MathTestFontFull.otf \
-	fonts/MathTestFontNone.otf \
-	fonts/MathTestFontPartial1.otf \
-	fonts/MathTestFontPartial2.otf \
-	fonts/MathTestFontPartial3.otf \
-	fonts/MathTestFontPartial4.otf \
-	$(NULL)
 endif # HAVE_FREETYPE
 
 endif # HAVE_OT

From 181b7471074cc814e0f498fc05fd6850c3f5e403 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 17:08:44 -0800
Subject: [PATCH 1210/1326] Update outdated TODO file

---
 TODO | 29 +----------------------------
 1 file changed, 1 insertion(+), 28 deletions(-)

diff --git a/TODO b/TODO
index 4f37f605b..53ffbe9d0 100644
--- a/TODO
+++ b/TODO
@@ -1,24 +1,14 @@
 General fixes:
 =============
 
-- AAT 'morx' implementation.
-
-- Return "safe-to-break" bit from shaping.
-
 - Implement 'rand' feature.
 
-- mask propagation? (when ligation, "or" the masks).
-
 
 API issues:
 ===========
 
 - API to accept a list of languages?
 
-- Add init_func to font_funcs.  Adjust ft.
-
-- 'const' for getter APIs? (use mutable internally)
-
 - Remove hb_ot_shape_glyphs_closure()?
 
 
@@ -39,7 +29,7 @@ API additions
 
 - Add query / enumeration API for aalt-like features?
 
-- SFNT api? get_num_faces? get_table_tags? (there's something in stash)
+- SFNT api? get_num_faces?
 
 - Add segmentation API
 
@@ -50,20 +40,3 @@ hb-view / hb-shape enhancements:
 ===============================
 
 - Add --width, --height, --auto-size, --ink-box, --align, etc?
-
-
-Tests to write:
-==============
-
-- ot-layout enumeration API (needs font)
-
-- Finish test-shape.c, grep for TODO
-
-- Finish test-unicode.c, grep for TODO
-
-- GObject, FreeType, etc
-
-- hb_cache_t and relatives
-
-- hb_feature_to/from_string
-- hb_buffer_[sg]et_contents

From 04dedec96b76600eecdb739b72814a4a56b270ae Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 16 Feb 2018 18:32:57 -0800
Subject: [PATCH 1211/1326] [test] Remove unused var

---
 test/api/test-subset-hmtx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test/api/test-subset-hmtx.c b/test/api/test-subset-hmtx.c
index 099b57de5..36d7d9e80 100644
--- a/test/api/test-subset-hmtx.c
+++ b/test/api/test-subset-hmtx.c
@@ -37,7 +37,6 @@ static void check_num_hmetrics(hb_face_t *face, uint16_t expected_num_hmetrics)
   hb_blob_t *hmtx_blob = hb_face_reference_table (face, HB_TAG ('h','m','t','x'));
 
   // TODO I sure wish I could just use the hmtx table struct!
-  unsigned int hmtx_len = hb_blob_get_length(hmtx_blob);
   unsigned int hhea_len;
   uint8_t *raw_hhea = (uint8_t *) hb_blob_get_data(hhea_blob, &hhea_len);
   uint16_t num_hmetrics = (raw_hhea[hhea_len - 2] << 8) + raw_hhea[hhea_len - 1];

From 21646cc4a6160088933774e179df9be4865a9f4b Mon Sep 17 00:00:00 2001
From: David Corbett <corbett.dav@husky.neu.edu>
Date: Fri, 16 Feb 2018 12:08:55 -0500
Subject: [PATCH 1212/1326] Do not mark the first glyph as unsafe to break

Fixes #791.
---
 src/hb-buffer-private.hh | 3 +--
 src/hb-coretext.cc       | 4 ----
 src/hb-directwrite.cc    | 2 --
 src/hb-graphite2.cc      | 1 -
 src/hb-uniscribe.cc      | 2 --
 5 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index a72376de5..af4767f51 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -344,8 +344,7 @@ struct hb_buffer_t {
   inline void
   unsafe_to_break_all (void)
   {
-    for (unsigned int i = 0; i < len; i++)
-      info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+    unsafe_to_break_impl (0, len);
   }
   inline void
   safe_to_break_all (void)
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 752dea8a5..aba7cf44d 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -1244,8 +1244,6 @@ resize_and_retry:
 	pos->x_offset = info->var1.i32;
 	pos->y_offset = info->var2.i32;
 
-	info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
-
 	info++, pos++;
       }
     else
@@ -1255,8 +1253,6 @@ resize_and_retry:
 	pos->x_offset = info->var1.i32;
 	pos->y_offset = info->var2.i32;
 
-	info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
-
 	info++, pos++;
       }
 
diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 5429255ad..69a8aa208 100644
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -878,8 +878,6 @@ retry_getglyphs:
     pos->x_offset =
       x_mult * (isRightToLeft ? -info->var1.i32 : info->var1.i32);
     pos->y_offset = y_mult * info->var2.i32;
-
-    info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
   }
 
   if (isRightToLeft)
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 3b55b475b..46fe13999 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -360,7 +360,6 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan,
       hb_glyph_info_t *info = &buffer->info[clusters[i].base_glyph + j];
       info->codepoint = gids[clusters[i].base_glyph + j];
       info->cluster = clusters[i].cluster;
-      info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
       info->var1.i32 = clusters[i].advance;     // all glyphs in the cluster get the same advance
     }
   }
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 5e05baa86..cd25769db 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -1025,8 +1025,6 @@ retry:
     pos->x_advance = x_mult * (int32_t) info->mask;
     pos->x_offset = x_mult * (backward ? -info->var1.i32 : info->var1.i32);
     pos->y_offset = y_mult * info->var2.i32;
-
-    info->mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
   }
 
   if (backward)

From 97a71102153d28982297a190739c7d82e76b109e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 10:50:24 -0800
Subject: [PATCH 1213/1326] Fix BitScanForward() usage

Should fix Win64 bot.
---
 src/hb-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 583b56153..daa496e98 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -458,14 +458,14 @@ _hb_ctz (T v)
   {
     unsigned long where;
     _BitScanForward (&where, v);
-    return 1 + where;
+    return where;
   }
 # if _WIN64
   if (sizeof (T) <= 8)
   {
     unsigned long where;
     _BitScanForward64 (&where, v);
-    return 1 + where;
+    return where;
   }
 # endif
 #endif

From 8089711a61687d565f207c56d3d2b658f514d7ab Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sun, 18 Feb 2018 23:25:15 +0330
Subject: [PATCH 1214/1326] Another attempt on fixing coverity

I hope I am in a correct direction at least
---
 .travis.yml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 04f1cdcbc..662fab59b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,8 +12,7 @@ env:
     - CONFIGURE_OPTS="--with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2"
     - NOCONFIGURE=1
     # COVERITY_SCAN_TOKEN
-    - secure: "MRJtVu/fQoWNwMAamvIJBCX/1SMvEuEUk/ljAif/y2/3syyWgxFGp17UGnDILdoZYyCqTM+jQciY2P0nVqbjjOAUlML4QOAalqw8kPp8iTsnHUe+KOMVrOVP6p6qAQxk1im1O41cCMkmVKvk+NXe/on5euz6LGF2laHZaOAMoes="
-    - PROJECT_NAME="behdad/harfbuzz" # the project name on coverity
+    - secure: "Vw1UUHsAr4t3xuvOqqBsFAORptmNcQRrcGJnzSX7jDODBIRNfnU2LIBTagrPNKfSUhyQgCHqt1gX9iWNWvVfy3sDOXr2MXZeoqmF6Y1mS35J0rA/EPJgRHsdkxygkmFnXVeQkEuI55BINkaSoOpAeunmXKJNw1p9JVw368Fm/tU="
 
 matrix:
   include:
@@ -80,7 +79,7 @@ addons:
 
   coverity_scan:
     project:
-      name: harfbuzz/harfbuzz
+      name: HarfBuzz
       version: 1.0
       description: HarfBuzz OpenType text shaping engine
     notification_email: harfbuzz-bots-chatter@googlegroups.com

From 0bd2d76bdd83569366762416bf7c8fd8e90021aa Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 11:55:26 -0800
Subject: [PATCH 1215/1326] [test] Fix a couple of coverity_scan issues

---
 test/api/hb-subset-test.h | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 49e5db480..31f5145fb 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -40,18 +40,23 @@ hb_subset_test_read_file (const char *path,
 {
   FILE *fp = fopen (path, "rb");
 
-  size_t file_length = 0;
+  long file_length = 0;
   char *buffer = NULL;
-  if (fp && fseek (fp, 0, SEEK_END) == 0) {
+  if (fp && fseek (fp, 0, SEEK_END) == 0)
+  {
     file_length = ftell(fp);
     rewind (fp);
   }
 
-  if (file_length > 0) {
-    buffer = (char *) calloc (file_length + 1, sizeof(char));
-    if (fread (buffer, 1, file_length, fp) == file_length) {
+  if (file_length > 0)
+  {
+    buffer = (char *) calloc (file_length + 1, sizeof (char));
+    if (buffer && fread (buffer, 1, file_length, fp) == (size_t) file_length)
+    {
       *length = file_length;
-    } else {
+    }
+    else
+    {
       free (buffer);
       buffer = NULL;
     }

From 89b82814b605d2bfcc481a47607e642a928dff15 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 16 Feb 2018 12:53:33 +0330
Subject: [PATCH 1216/1326] Add a continuous builder using fswatch

---
 CMakeLists.txt          | 24 +++++++++++++-----------
 src/dev-run.sh          | 22 ++++++++++++++++++++++
 test/api/CMakeLists.txt |  2 +-
 3 files changed, 36 insertions(+), 12 deletions(-)
 create mode 100755 src/dev-run.sh

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d23fc2dff..0c19a4b98 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,6 +63,7 @@ if (HB_HAVE_INTROSPECTION)
   set (HB_HAVE_GLIB ON)
 endif ()
 
+option(HB_DISABLE_TEST_PROGS OFF "Do not build some of the test programs, useful for continuous builds")
 option(HB_CHECK OFF "Do a configuration suitable for testing (shared library and enable all options)")
 if (HB_CHECK)
   set (BUILD_SHARED_LIBS ON)
@@ -807,17 +808,18 @@ endif ()
 
 
 ## src/ executables
-foreach (prog main test test-would-substitute test-size-params test-buffer-serialize hb-ot-tag)
-  set (prog_name ${prog})
-  if (${prog_name} STREQUAL "test")
-    # test can not be used as a valid executable name on cmake, lets special case it
-    set (prog_name test-test)
-  endif ()
-  add_executable(${prog_name} ${PROJECT_SOURCE_DIR}/src/${prog}.cc)
-  target_link_libraries(${prog_name} harfbuzz ${THIRD_PARTY_LIBS})
-endforeach ()
-set_target_properties(hb-ot-tag PROPERTIES COMPILE_FLAGS "-DMAIN")
-
+if (NOT HB_DISABLE_TEST_PROGS)
+  foreach (prog main test test-would-substitute test-size-params test-buffer-serialize hb-ot-tag)
+    set (prog_name ${prog})
+    if (${prog_name} STREQUAL "test")
+      # test can not be used as a valid executable name on cmake, lets special case it
+      set (prog_name test-test)
+    endif ()
+    add_executable(${prog_name} ${PROJECT_SOURCE_DIR}/src/${prog}.cc)
+    target_link_libraries(${prog_name} harfbuzz ${THIRD_PARTY_LIBS})
+  endforeach ()
+  set_target_properties(hb-ot-tag PROPERTIES COMPILE_FLAGS "-DMAIN")
+endif ()
 
 ## Tests
 if (UNIX OR MINGW)
diff --git a/src/dev-run.sh b/src/dev-run.sh
new file mode 100755
index 000000000..f713ce82e
--- /dev/null
+++ b/src/dev-run.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+for cmd in cmake ninja fswatch; do
+    command -v $cmd >/dev/null 2>&1 || { echo >&2 "This script needs $cmd be installed"; exit 1; }
+done
+
+[ $# = 0 ] && echo Usage: "src/dev-run.sh [FONT-FILE] [TEXT]" && exit
+
+cmake -DHB_CHECK=ON -DHB_DISABLE_TEST_PROGS=ON -Bbuild -H. -GNinja
+ninja -Cbuild
+
+# or "fswatch -0 . -e build/ -e .git"
+find src/ | entr printf '\0' | while read -d "" event; do
+    clear
+    ninja -Cbuild
+    build/hb-shape $@
+    build/hb-view $@
+done
+
+cmake -DHB_CHECK=ON -DHB_DISABLE_TEST_PROGS=OFF -Bbuild -H. -GNinja
+ninja -Cbuild
+CTEST_OUTPUT_ON_FAILURE=1 CTEST_PARALLEL_LEVEL=8 ninja -Cbuild test
diff --git a/test/api/CMakeLists.txt b/test/api/CMakeLists.txt
index f1a2300f8..6a62b656f 100644
--- a/test/api/CMakeLists.txt
+++ b/test/api/CMakeLists.txt
@@ -1,4 +1,4 @@
-if (HB_HAVE_GLIB)
+if (HB_HAVE_GLIB AND NOT HB_DISABLE_TEST_PROGS)
   file (READ "${CMAKE_CURRENT_SOURCE_DIR}/Makefile.am" MAKEFILEAM)
   extract_make_variable (TEST_PROGS ${MAKEFILEAM})
 

From e91644786bf7c278e75962b851d5d47011ff175c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 12:41:24 -0800
Subject: [PATCH 1217/1326] Remove unused check

---
 configure.ac | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 02a4a8973..8c3ab2029 100644
--- a/configure.ac
+++ b/configure.ac
@@ -76,8 +76,7 @@ GTK_DOC_CHECK([1.15],[--flavour no-tmpl])
 	AM_CONDITIONAL([ENABLE_GTK_DOC], false)
 ])
 
-# Types, functions, and headers
-AC_CHECK_TYPES(unsigned __int128)
+# Functions, and headers
 AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l setlinebuf)
 AC_CHECK_HEADERS(unistd.h sys/mman.h xlocale.h)
 

From 79756c9039a628b0df441228ca1ea20b8a91e3e8 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 19 Feb 2018 03:17:44 +0330
Subject: [PATCH 1218/1326] [aat] First dig on 'kerx' (#704)

---
 src/Makefile.sources            |   1 +
 src/hb-aat-layout-kerx-table.hh | 377 ++++++++++++++++++++++++++++++++
 src/hb-aat-layout.cc            |   1 +
 src/hb-ot-layout-private.hh     |   2 +
 4 files changed, 381 insertions(+)
 create mode 100644 src/hb-aat-layout-kerx-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index ec60ec0a6..3a73bc002 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -82,6 +82,7 @@ HB_FALLBACK_sources = \
 HB_OT_sources = \
 	hb-aat-layout.cc \
 	hb-aat-layout-common-private.hh \
+	hb-aat-layout-kerx-table.hh \
 	hb-aat-layout-morx-table.hh \
 	hb-aat-layout-private.hh \
 	hb-ot-font.cc \
diff --git a/src/hb-aat-layout-kerx-table.hh b/src/hb-aat-layout-kerx-table.hh
new file mode 100644
index 000000000..4a40d1c2c
--- /dev/null
+++ b/src/hb-aat-layout-kerx-table.hh
@@ -0,0 +1,377 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ * Copyright © 2018  Ebrahim Byagowi
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_AAT_LAYOUT_KERX_TABLE_HH
+#define HB_AAT_LAYOUT_KERX_TABLE_HH
+
+#include "hb-aat-layout-common-private.hh"
+
+namespace AAT {
+
+
+/*
+ * kerx -- Kerning
+ */
+
+#define HB_AAT_TAG_kerx HB_TAG('k','e','r','x')
+
+struct hb_glyph_pair_t
+{
+  hb_codepoint_t left;
+  hb_codepoint_t right;
+};
+
+struct KerxPair
+{
+  inline int get_kerning (void) const
+  { return value; }
+
+  inline int cmp (const hb_glyph_pair_t &o) const
+  {
+    int ret = left.cmp (o.left);
+    if (ret) return ret;
+    return right.cmp (o.right);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  protected:
+  GlyphID	left;
+  GlyphID	right;
+  FWORD		value;
+  HBUINT16 pad;
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
+struct KerxSubTableFormat0
+{
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+  {
+    hb_glyph_pair_t pair = {left, right};
+    //int i = pairs.bsearch (pair);
+    //if (i == -1)
+      return 0;
+    //return pairs[i].get_kerning ();
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (pairs.sanitize (c));
+  }
+
+  protected:
+  BinSearchArrayOf<KerxPair> pairs;	/* Array of kerning pairs. */
+  //FIXME: BinSearchArrayOf and its BinSearchHeader should be
+  //modified in a way to accept uint32s
+  public:
+  //DEFINE_SIZE_ARRAY (16, pairs);
+};
+
+struct KerxAction
+{
+  HBUINT16 index;
+};
+
+struct KerxSubTableFormat1
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    //TRACE_SANITIZE (this);
+    //return_trace (stateHeader.sanitize (c));
+    return false;
+  }
+
+  protected:
+  StateTable<KerxAction> stateHeader;
+  OffsetTo<ArrayOf<HBUINT16>, HBUINT32> valueTable;
+
+  public:
+  //DEFINE_SIZE_MIN (4);
+};
+
+//FIXME: Maybe this can be replaced with Lookup<HBUINT16>?
+struct KerxClassTable
+{
+  inline unsigned int get_class (hb_codepoint_t g) const { return classes[g - firstGlyph]; }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (firstGlyph.sanitize (c) && classes.sanitize (c));
+  }
+
+  protected:
+  HBUINT16		firstGlyph;	/* First glyph in class range. */
+  ArrayOf<HBUINT16>	classes;	/* Glyph classes. */
+  public:
+  DEFINE_SIZE_ARRAY (4, classes);
+};
+
+struct KerxSubTableFormat2
+{
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end) const
+  {
+    unsigned int l = (this+leftClassTable).get_class (left);
+    unsigned int r = (this+leftClassTable).get_class (left);
+    unsigned int offset = l * rowWidth + r * sizeof (FWORD);
+    const FWORD *arr = &(this+array);
+    if (unlikely ((const void *) arr < (const void *) this || (const void *) arr >= (const void *) end))
+      return 0;
+    const FWORD *v = &StructAtOffset<FWORD> (arr, offset);
+    if (unlikely ((const void *) v < (const void *) arr || (const void *) (v + 1) > (const void *) end))
+      return 0;
+    return *v;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (rowWidth.sanitize (c) &&
+		  leftClassTable.sanitize (c, this) &&
+		  rightClassTable.sanitize (c, this) &&
+		  array.sanitize (c, this));
+  }
+
+  protected:
+  HBUINT32	rowWidth;	/* The width, in bytes, of a row in the table. */
+  LOffsetTo<KerxClassTable>
+		leftClassTable;	/* Offset from beginning of this subtable to
+				 * left-hand class table. */
+  LOffsetTo<KerxClassTable>
+		rightClassTable;/* Offset from beginning of this subtable to
+				 * right-hand class table. */
+  LOffsetTo<FWORD>
+		array;		/* Offset from beginning of this subtable to
+				 * the start of the kerning array. */
+  public:
+  DEFINE_SIZE_MIN (16);
+};
+
+struct KerxSubTableFormat4
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (rowWidth.sanitize (c) &&
+		  leftClassTable.sanitize (c, this) &&
+		  rightClassTable.sanitize (c, this) &&
+		  array.sanitize (c, this));
+  }
+
+  protected:
+  HBUINT32	rowWidth;	/* The width, in bytes, of a row in the table. */
+  LOffsetTo<KerxClassTable>
+		leftClassTable;	/* Offset from beginning of this subtable to
+				 * left-hand class table. */
+  LOffsetTo<KerxClassTable>
+		rightClassTable;/* Offset from beginning of this subtable to
+				 * right-hand class table. */
+  LOffsetTo<FWORD>
+		array;		/* Offset from beginning of this subtable to
+				 * the start of the kerning array. */
+  public:
+  DEFINE_SIZE_MIN (16);
+};
+
+struct KerxSubTableFormat6
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    //TRACE_SANITIZE (this);
+    //return_trace ;
+    return false;
+  }
+
+  protected:
+  HBUINT32 flags;
+  HBUINT16 rowCount;
+  HBUINT16 columnCount;
+  HBUINT32 rowIndexTableOffset;
+  HBUINT32 columnIndexTableOffset;
+  HBUINT32 kerningArrayOffset;
+  HBUINT32 kerningVectorOffset;
+
+  public:
+  DEFINE_SIZE_MIN (24);
+};
+
+struct KerxSubTable
+{
+  inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end, unsigned int format) const
+  {
+    switch (format) {
+    case 0: return u.format0.get_kerning (left, right);
+    case 2: return u.format2.get_kerning (left, right, end);
+    default:return 0;
+    }
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int format) const
+  {
+    TRACE_SANITIZE (this);
+    switch (format) {
+    case 0: return_trace (u.format0.sanitize (c));
+    case 2: return_trace (u.format2.sanitize (c));
+    default:return_trace (true);
+    }
+  }
+
+  protected:
+  union {
+  KerxSubTableFormat0	format0;
+  KerxSubTableFormat2	format2;
+  KerxSubTableFormat4	format4;
+  KerxSubTableFormat6	format6;
+  } u;
+  public:
+  DEFINE_SIZE_MIN (0);
+};
+
+
+
+struct kerx
+{
+  static const hb_tag_t tableTag = HB_AAT_TAG_kerx;
+
+  struct SubTableWrapper
+  {
+    enum coverage_flags_t {
+      COVERAGE_VERTICAL_FLAG	= 0x8000u,
+      COVERAGE_CROSSSTREAM_FLAG	= 0x4000u,
+      COVERAGE_VARIATION_FLAG	= 0x2000u,
+
+      COVERAGE_OVERRIDE_FLAG	= 0x0000u, /* Not supported. */
+
+      COVERAGE_CHECK_FLAGS	= 0x0700u, //FIXME: Where these two come from?
+      COVERAGE_CHECK_HORIZONTAL	= 0x0100u
+    };
+
+    protected:
+    HBUINT32	length;		/* Length of the subtable (including this header). */
+    HBUINT16	coverage;	/* Coverage bits. */
+    HBUINT16	format;		/* Subtable format. */
+    HBUINT32	tupleIndex;	/* The tuple index (used for variations fonts).
+				 * This value specifies which tuple this subtable covers. */
+    KerxSubTable subtable;	/* Subtable data. */
+    public:
+    inline bool is_horizontal (void) const
+    { return (coverage & COVERAGE_CHECK_FLAGS) == COVERAGE_CHECK_HORIZONTAL; }
+
+    inline bool is_override (void) const
+    { return bool (coverage & COVERAGE_OVERRIDE_FLAG); }
+
+    inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end) const
+    { return subtable.get_kerning (left, right, end, format); }
+
+    inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right, const char *end) const
+    { return is_horizontal () ? get_kerning (left, right, end) : 0; }
+
+    inline unsigned int get_size (void) const { return length; }
+
+    inline bool sanitize (hb_sanitize_context_t *c) const
+    {
+      TRACE_SANITIZE (this);
+      return_trace (c->check_struct (this) &&
+        length >= min_size &&
+        c->check_array (this, 1, length) &&
+        subtable.sanitize (c, format));
+    }
+    DEFINE_SIZE_MIN (12);
+  };
+
+  inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right, unsigned int table_length) const
+  {
+    int v = 0;
+    const SubTableWrapper *st = (SubTableWrapper *) data;
+    unsigned int count = nTables;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (st->is_override ())
+        v = 0;
+      v += st->get_h_kerning (left, right, table_length + (const char *) this);
+      st = (SubTableWrapper *) st;
+    }
+    return v;
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    const SubTableWrapper *st = (SubTableWrapper *) data;
+    unsigned int count = nTables;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (unlikely (!st->sanitize (c)))
+	return_trace (false);
+      st = (SubTableWrapper *) st;
+    }
+
+    return_trace (true);
+  }
+
+  struct accelerator_t
+  {
+    inline void init (hb_face_t *face)
+    {
+      blob = Sanitizer<kerx>().sanitize (face->reference_table (HB_AAT_TAG_kerx));
+      table = Sanitizer<kerx>::lock_instance (blob);
+      table_length = hb_blob_get_length (blob);
+    }
+    inline void fini (void)
+    {
+      hb_blob_destroy (blob);
+    }
+
+    inline int get_h_kerning (hb_codepoint_t left, hb_codepoint_t right) const
+    { return table->get_h_kerning (left, right, table_length); }
+
+    private:
+    hb_blob_t *blob;
+    const kerx *table;
+    unsigned int table_length;
+  };
+
+  protected:
+  HBUINT16		version;
+  HBUINT16		padding;
+  HBUINT32		nTables;	/* Number of subtables in the kerning table. */
+  HBUINT8		data[VAR];
+  //ArrayOf<GlyphCoverageArray> subtableGlyphCoverageArray;
+  public:
+  DEFINE_SIZE_ARRAY (8, data);
+};
+
+} /* namespace AAT */
+
+
+#endif /* HB_AAT_LAYOUT_KERX_TABLE_HH */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index d882fa166..b1b1c7412 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -30,6 +30,7 @@
 #include "hb-ot-layout-gsubgpos-private.hh"
 
 #include "hb-aat-layout-private.hh"
+#include "hb-aat-layout-kerx-table.hh"
 #include "hb-aat-layout-morx-table.hh"
 
 /*
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 60119629c..cf691d370 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -131,6 +131,7 @@ namespace OT {
 }
 
 namespace AAT {
+  struct kerx;
   struct morx;
 }
 
@@ -169,6 +170,7 @@ struct hb_ot_layout_t
   OT::hb_lazy_table_loader_t<struct OT::MATH> math;
   OT::hb_lazy_table_loader_t<struct OT::fvar> fvar;
   OT::hb_lazy_table_loader_t<struct OT::avar> avar;
+  OT::hb_lazy_table_loader_t<struct AAT::kerx> kerx;
   OT::hb_lazy_table_loader_t<struct AAT::morx> morx;
 
   unsigned int gsub_lookup_count;

From 246e280d88b6b26757297a349f01e52c15eaec53 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 15:42:25 -0800
Subject: [PATCH 1219/1326] [test] Add test for
 https://github.com/harfbuzz/harfbuzz/issues/740

---
 .../573d3a3177c9a8646e94c8a0d7b224334340946a.ttf | Bin 0 -> 5680 bytes
 test/shaping/data/in-house/tests/use.tests       |   1 +
 2 files changed, 1 insertion(+)
 create mode 100644 test/shaping/data/in-house/fonts/573d3a3177c9a8646e94c8a0d7b224334340946a.ttf

diff --git a/test/shaping/data/in-house/fonts/573d3a3177c9a8646e94c8a0d7b224334340946a.ttf b/test/shaping/data/in-house/fonts/573d3a3177c9a8646e94c8a0d7b224334340946a.ttf
new file mode 100644
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literal 0
HcmV?d00001

diff --git a/test/shaping/data/in-house/tests/use.tests b/test/shaping/data/in-house/tests/use.tests
index f83f6f9a5..172946c49 100644
--- a/test/shaping/data/in-house/tests/use.tests
+++ b/test/shaping/data/in-house/tests/use.tests
@@ -2,3 +2,4 @@
 ../fonts/4cce528e99f600ed9c25a2b69e32eb94a03b4ae8.ttf::U+1A48,U+1A58,U+1A25,U+1A48,U+1A58,U+1A25,U+1A6E,U+1A63:[uni1A48=0+1212|uni1A25=0+1912|uni1A58=0+0|uni1A48=3+1212|uni1A6E=3+0|uni1A25=3+1912|uni1A58=3+0|uni1A63=3+1212]
 ../fonts/f518eb6f6b5eec2946c9fbbbde44e45d46f5e2ac.ttf::U+1A48,U+1A58,U+1A25,U+1A48,U+1A58,U+1A25,U+1A6E,U+1A63:[uni1A48=0+1212|uni1A25=0+1912|uni1A58=0+0|uni1A48=3+1212|uni1A6E=3+1211|uni1A25=3+1912|uni1A58=3+0|uni1A63=3+1212]
 ../fonts/6ff0fbead4462d9f229167b4e6839eceb8465058.ttf:--font-funcs=ot:U+11103,U+11128:[u11103=0+837|u11128=0+0]
+../fonts/573d3a3177c9a8646e94c8a0d7b224334340946a.ttf:--font-funcs=ft:U+11410,U+11442,U+11411,U+11440,U+11443,U+11410,U+11442,U+11411,U+11441,U+11443:[E_dv.alt=0+275|Ga.icd=0+367|Gha.diag=0@100,0+386|AA_dv.alt=0+208|Candrabindu=0@17,-8+0|E_dv.alt=5+275|Ga.icd=5+367|Gha.diag=5@100,0+386|AU_dv_part.alt=5+213|Candrabindu.sm=5@-52,179+0]

From 1c50a88623a881a9e2b2b0f1f6a783962626f03a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 15:57:09 -0800
Subject: [PATCH 1220/1326] Readjust mark attachment heuristic a bit more

Previously adjusted logic could fail if nothing around was ligated,
and something moved.  This should take care of that.

CC https://github.com/harfbuzz/harfbuzz/issues/740
---
 src/hb-ot-layout-gpos-table.hh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 5b1bc6abd..4e1a10d77 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -1079,7 +1079,10 @@ struct MarkBasePosFormat1
 	  0 == _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) ||
 	  (skippy_iter.idx == 0 ||
 	   _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx]) !=
-	   _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx - 1])))
+	   _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx - 1]) ||
+	   _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) !=
+	   _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx - 1]) + 1
+	   ))
 	break;
       skippy_iter.reject ();
     } while (1);

From a21fceb05311f61ef179b2f3aa6497562555f241 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 16:10:15 -0800
Subject: [PATCH 1221/1326] [ci] Make AppVeyor less noisy

---
 appveyor.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/appveyor.yml b/appveyor.yml
index 9bed12474..5971337cd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -53,6 +53,9 @@ notifications:
   - provider: Email
     to:
       - harfbuzz-bots-chatter@googlegroups.com
+    on_build_success: false
+    on_build_failure: true
+    on_build_status_changed: true
 
 # disable automatic tests
 test: off

From 05d1e77db8f3e5280e93b6885ff4f7df113b612b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 16:26:04 -0800
Subject: [PATCH 1222/1326] [aat] Silence warning

---
 src/hb-aat-layout-kerx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-kerx-table.hh b/src/hb-aat-layout-kerx-table.hh
index 4a40d1c2c..b061f11d2 100644
--- a/src/hb-aat-layout-kerx-table.hh
+++ b/src/hb-aat-layout-kerx-table.hh
@@ -76,7 +76,7 @@ struct KerxSubTableFormat0
 {
   inline int get_kerning (hb_codepoint_t left, hb_codepoint_t right) const
   {
-    hb_glyph_pair_t pair = {left, right};
+    //hb_glyph_pair_t pair = {left, right};
     //int i = pairs.bsearch (pair);
     //if (i == -1)
       return 0;

From 6fa690c75a572a1076124b428b76929b2674e532 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 16:27:59 -0800
Subject: [PATCH 1223/1326] Fix debug build

Context needs to be called 'c'. The TRACE_* rely on that.
---
 src/hb-ot-cmap-table.hh | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index e7494df6e..284b62cdd 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -271,13 +271,13 @@ struct CmapSubtableLongSegmented
     return_trace (c->check_struct (this) && groups.sanitize (c));
   }
 
-  inline bool serialize (hb_serialize_context_t *context,
+  inline bool serialize (hb_serialize_context_t *c,
                          hb_prealloced_array_t<CmapSubtableLongGroup> &group_data)
   {
     TRACE_SERIALIZE (this);
-    if (unlikely (!context->extend_min (*this))) return_trace (false);
+    if (unlikely (!c->extend_min (*this))) return_trace (false);
     Supplier<CmapSubtableLongGroup> supplier (group_data.array, group_data.len);
-    if (unlikely (!groups.serialize (context, supplier, group_data.len))) return_trace (false);
+    if (unlikely (!groups.serialize (c, supplier, group_data.len))) return_trace (false);
     return true;
   }
 
@@ -555,37 +555,37 @@ struct cmap
 		       size_t dest_sz,
 		       void *dest) const
   {
-    hb_serialize_context_t context (dest, dest_sz);
+    hb_serialize_context_t c (dest, dest_sz);
 
-    OT::cmap *cmap = context.start_serialize<OT::cmap> ();
-    if (unlikely (!context.extend_min (*cmap)))
+    OT::cmap *cmap = c.start_serialize<OT::cmap> ();
+    if (unlikely (!c.extend_min (*cmap)))
     {
       return false;
     }
 
     cmap->version.set (0);
 
-    if (unlikely (!cmap->encodingRecord.serialize (&context, /* numTables */ 1))) return false;
+    if (unlikely (!cmap->encodingRecord.serialize (&c, /* numTables */ 1))) return false;
 
     EncodingRecord &rec = cmap->encodingRecord[0];
     rec.platformID.set (3); // Windows
     rec.encodingID.set (10); // Unicode UCS-4
 
     /* capture offset to subtable */
-    CmapSubtable &subtable = rec.subtable.serialize (&context, cmap);
+    CmapSubtable &subtable = rec.subtable.serialize (&c, cmap);
 
     subtable.u.format.set (12);
 
     CmapSubtableFormat12 &format12 = subtable.u.format12;
-    if (unlikely (!context.extend_min (format12))) return false;
+    if (unlikely (!c.extend_min (format12))) return false;
 
     format12.format.set (12);
     format12.reservedZ.set (0);
     format12.lengthZ.set (16 + 12 * groups.len);
 
-    if (unlikely (!format12.serialize (&context, groups))) return false;
+    if (unlikely (!format12.serialize (&c, groups))) return false;
 
-    context.end_serialize ();
+    c.end_serialize ();
 
     return true;
   }

From 7033fe5877c6f9500575f20f17135f74dc9c0547 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 17:12:04 -0800
Subject: [PATCH 1224/1326] [aat] Minor

---
 src/hb-aat-layout-common-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-common-private.hh b/src/hb-aat-layout-common-private.hh
index fea3b0949..7c0dfa8b0 100644
--- a/src/hb-aat-layout-common-private.hh
+++ b/src/hb-aat-layout-common-private.hh
@@ -657,7 +657,7 @@ struct StateTableDriver
       if (unlikely (!c->transition (this, entry)))
         break;
 
-      last_was_dont_advance = (entry->flags & context_t::DontAdvance) && buffer->max_ops--;
+      last_was_dont_advance = (entry->flags & context_t::DontAdvance) && buffer->max_ops-- > 0;
 
       state = entry->newState;
 

From e2d2d819848ed0ff1c60b9bde1f9c8f9495ec5b4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 18 Feb 2018 17:28:53 -0800
Subject: [PATCH 1225/1326] Limit how much work sanitize() can do

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6022
---
 src/Makefile.am                               |   2 ++
 src/hb-open-type-private.hh                   |  16 ++++++++++++++--
 ...3c1e252e737ca79e03a9fd56b71aaa4a230f2b.ttf | Bin 0 -> 1048576 bytes
 test/shaping/data/in-house/tests/fuzzed.tests |   1 +
 4 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 test/shaping/data/in-house/fonts/233c1e252e737ca79e03a9fd56b71aaa4a230f2b.ttf

diff --git a/src/Makefile.am b/src/Makefile.am
index e3915bc8f..161bdcb0f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -170,6 +170,8 @@ FUZZING_CPPFLAGS = \
 	-DHB_NDEBUG \
 	-DHB_MAX_NESTING_LEVEL=3 \
 	-DHB_SANITIZE_MAX_EDITS=3 \
+	-DHB_SANITIZE_MAX_OPS_FACTOR=3 \
+	-DHB_SANITIZE_MAX_OPS_MIN=128 \
 	-DHB_BUFFER_MAX_LEN_FACTOR=3 \
 	-DHB_BUFFER_MAX_LEN_MIN=8 \
 	-DHB_BUFFER_MAX_LEN_DEFAULT=128 \
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 5263d6f9b..080dcca1b 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -189,6 +189,12 @@ struct hb_dispatch_context_t
 #ifndef HB_SANITIZE_MAX_EDITS
 #define HB_SANITIZE_MAX_EDITS 32
 #endif
+#ifndef HB_SANITIZE_MAX_OPS_FACTOR
+#define HB_SANITIZE_MAX_OPS_FACTOR 8
+#endif
+#ifndef HB_SANITIZE_MAX_OPS_MIN
+#define HB_SANITIZE_MAX_OPS_MIN 16384
+#endif
 
 struct hb_sanitize_context_t :
        hb_dispatch_context_t<hb_sanitize_context_t, bool, HB_DEBUG_SANITIZE>
@@ -196,7 +202,7 @@ struct hb_sanitize_context_t :
   inline hb_sanitize_context_t (void) :
 	debug_depth (0),
 	start (nullptr), end (nullptr),
-	writable (false), edit_count (0),
+	writable (false), edit_count (0), max_ops (0),
 	blob (nullptr),
 	num_glyphs (0) {}
 
@@ -221,6 +227,8 @@ struct hb_sanitize_context_t :
     this->start = hb_blob_get_data (this->blob, nullptr);
     this->end = this->start + hb_blob_get_length (this->blob);
     assert (this->start <= this->end); /* Must not overflow. */
+    this->max_ops = MAX ((unsigned int) (this->end - this->start) * HB_SANITIZE_MAX_OPS_FACTOR,
+			 (unsigned) HB_SANITIZE_MAX_OPS_MIN);
     this->edit_count = 0;
     this->debug_depth = 0;
 
@@ -244,7 +252,10 @@ struct hb_sanitize_context_t :
   inline bool check_range (const void *base, unsigned int len) const
   {
     const char *p = (const char *) base;
-    bool ok = this->start <= p && p <= this->end && (unsigned int) (this->end - p) >= len;
+    bool ok = this->max_ops-- > 0 &&
+	      this->start <= p &&
+	      p <= this->end &&
+	      (unsigned int) (this->end - p) >= len;
 
     DEBUG_MSG_LEVEL (SANITIZE, p, this->debug_depth+1, 0,
        "check_range [%p..%p] (%d bytes) in [%p..%p] -> %s",
@@ -308,6 +319,7 @@ struct hb_sanitize_context_t :
   const char *start, *end;
   bool writable;
   unsigned int edit_count;
+  mutable int max_ops;
   hb_blob_t *blob;
   unsigned int num_glyphs;
 };
diff --git a/test/shaping/data/in-house/fonts/233c1e252e737ca79e03a9fd56b71aaa4a230f2b.ttf b/test/shaping/data/in-house/fonts/233c1e252e737ca79e03a9fd56b71aaa4a230f2b.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..999f29622260346d0039ca732f5fd190a0a22cf4
GIT binary patch
literal 1048576
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zWy)%nQ4En=9pHnb6ppXV+N=a%&M^W{x&3caPt%g15%~VyYz@HjlO-39H&yrgtvGKO
rrB@jS-D*u-)K2#WemVDl$(SPvkN^pg011!)36KB@kN^qnR|5YZ#YDsT

literal 0
HcmV?d00001

diff --git a/test/shaping/data/in-house/tests/fuzzed.tests b/test/shaping/data/in-house/tests/fuzzed.tests
index e1a39e4eb..43a193341 100644
--- a/test/shaping/data/in-house/tests/fuzzed.tests
+++ b/test/shaping/data/in-house/tests/fuzzed.tests
@@ -20,3 +20,4 @@
 ../fonts/ef2511f215aa3ca847cbfffbf861793b42170875.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 ../fonts/9d8a94a67932a3ab75a596fc8b5c6d0392ca9e49.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
 ../fonts/bbf4a308c402f0678c3e82844892a4da2ebe598f.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]
+../fonts/233c1e252e737ca79e03a9fd56b71aaa4a230f2b.ttf:--font-funcs=ot:U+0041:[gid0=0+1000]

From be51f763a752bed1c395bff19afe3291a6063d00 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 19 Feb 2018 11:06:13 +0330
Subject: [PATCH 1226/1326] Test debug builds on ArchLinux bot

Fixes #805
---
 .circleci/config.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 28b5f7ce5..5c27bb356 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -25,13 +25,13 @@ jobs:
       - run: make
       - run: make check || .ci/fail.sh
 
-  archlinux:
+  archlinux-debug:
     docker:
       - image: base/devel
     steps:
       - checkout
       - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel python
-      - run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
+      - run: CPPFLAGS="-DHB_DEBUG" ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
       - run: make
       - run: make check || .ci/fail.sh
 
@@ -150,7 +150,7 @@ workflows:
 
       # autotools based builds
       - alpine
-      - archlinux
+      - archlinux-debug
       - fedora-outoftreebuild
 
       # cmake based builds

From b095ce59ebc5723a1b9c049eebb8f204455c9a72 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 19 Feb 2018 11:58:20 +0330
Subject: [PATCH 1227/1326] Simplify hb-fuzzer output printing and fix
 ArchLinux bot

---
 test/fuzzing/run-fuzzer-tests.py | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/test/fuzzing/run-fuzzer-tests.py b/test/fuzzing/run-fuzzer-tests.py
index 79e47c9f4..9455a4b6b 100755
--- a/test/fuzzing/run-fuzzer-tests.py
+++ b/test/fuzzing/run-fuzzer-tests.py
@@ -22,15 +22,11 @@ fails = 0
 for line in open (os.path.join (srcdir, "..", "shaping", "data", "in-house", "tests", "fuzzed.tests")):
 	font = line.split (":")[0]
 
-	p = subprocess.Popen (
-		[hb_fuzzer, os.path.join (srcdir, "..", "shaping", font)],
-		stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+	p = subprocess.Popen ([hb_fuzzer, os.path.join (srcdir, "..", "shaping", font)])
 
 	if p.wait () != 0:
 		fails = fails + 1
 
-	print ((p.stdout.read () + p.stderr.read ()).decode ("utf-8").strip ())
-
 if fails:
 	print ("%i fuzzer related tests failed." % fails)
 	sys.exit (1)

From fde04777d1d429fd0981002194f5c19599fda350 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 19 Feb 2018 20:00:07 +0330
Subject: [PATCH 1228/1326] Check availability of entr instead now that this
 works with it

---
 src/dev-run.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dev-run.sh b/src/dev-run.sh
index f713ce82e..2c50dc58e 100755
--- a/src/dev-run.sh
+++ b/src/dev-run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-for cmd in cmake ninja fswatch; do
+for cmd in cmake ninja entr; do
     command -v $cmd >/dev/null 2>&1 || { echo >&2 "This script needs $cmd be installed"; exit 1; }
 done
 

From 0bbf90ded00dd00ee3f79c1bd16c775d7c893278 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 19 Feb 2018 11:38:53 -0800
Subject: [PATCH 1229/1326] [subset] Don't include hb-subset.h from hb.h

---
 src/hb.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/hb.h b/src/hb.h
index e55decfea..7402034f4 100644
--- a/src/hb.h
+++ b/src/hb.h
@@ -41,7 +41,6 @@
 #include "hb-set.h"
 #include "hb-shape.h"
 #include "hb-shape-plan.h"
-#include "hb-subset.h"
 #include "hb-unicode.h"
 #include "hb-version.h"
 

From 4fcbd22b18040cbfd7410e6a090c5f9624eb9a0f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 19 Feb 2018 11:49:25 -0800
Subject: [PATCH 1230/1326] Fix build after previous commit

---
 src/hb-subset-plan.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index b656faa6d..a74152858 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -29,6 +29,8 @@
 
 #include "hb-private.hh"
 
+#include "hb-subset.h"
+
 #include "hb-object-private.hh"
 
 struct hb_subset_plan_t {

From 0bff6991de308044b077ce74bd45d57d8c4afe5f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 19 Feb 2018 11:51:25 -0800
Subject: [PATCH 1231/1326] Ugh. Really fix build.

---
 src/hb-subset-private.hh  | 2 +-
 src/hb-subset.cc          | 3 +--
 test/api/hb-subset-test.h | 1 +
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index 5473eac01..cf784d725 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -30,7 +30,7 @@
 
 #include "hb-private.hh"
 
-#include "hb-ot.h"
+#include "hb-subset.h"
 
 #include "hb-font-private.hh"
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 2eb4ebd04..1fe266fc4 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -24,11 +24,10 @@
  * Google Author(s): Garret Rieger, Rod Sheeter, Behdad Esfahbod
  */
 
+#include "hb-private.hh"
 #include "hb-object-private.hh"
 #include "hb-open-type-private.hh"
 
-#include "hb-private.hh"
-
 #include "hb-subset-glyf.hh"
 #include "hb-subset-private.hh"
 #include "hb-subset-plan.hh"
diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 31f5145fb..12f7868ad 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -30,6 +30,7 @@
 #include <stdio.h>
 
 #include "hb-test.h"
+#include "hb-subset.h"
 
 
 HB_BEGIN_DECLS

From a64eacd8a6cb9811bcaadf20b8b8ae56306cbd75 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 19 Feb 2018 23:27:08 +0330
Subject: [PATCH 1232/1326] [aat] First dig on 'trak'

---
 src/Makefile.sources            |   3 +-
 src/hb-aat-layout-trak-table.hh | 100 ++++++++++++++++++++++++++++++++
 src/hb-aat-layout.cc            |   3 +-
 src/hb-ot-layout-private.hh     |   6 +-
 4 files changed, 108 insertions(+), 4 deletions(-)
 create mode 100644 src/hb-aat-layout-trak-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 3a73bc002..9b96716d2 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -82,8 +82,9 @@ HB_FALLBACK_sources = \
 HB_OT_sources = \
 	hb-aat-layout.cc \
 	hb-aat-layout-common-private.hh \
-	hb-aat-layout-kerx-table.hh \
 	hb-aat-layout-morx-table.hh \
+	hb-aat-layout-kerx-table.hh \
+	hb-aat-layout-trak-table.hh \
 	hb-aat-layout-private.hh \
 	hb-ot-font.cc \
 	hb-ot-layout.cc \
diff --git a/src/hb-aat-layout-trak-table.hh b/src/hb-aat-layout-trak-table.hh
new file mode 100644
index 000000000..602746e02
--- /dev/null
+++ b/src/hb-aat-layout-trak-table.hh
@@ -0,0 +1,100 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ * Copyright © 2018  Ebrahim Byagowi
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_AAT_LAYOUT_TRAK_TABLE_HH
+#define HB_AAT_LAYOUT_TRAK_TABLE_HH
+
+#include "hb-aat-layout-common-private.hh"
+#include "hb-open-type-private.hh"
+
+#define HB_AAT_TAG_trak HB_TAG('t','r','a','k')
+
+
+namespace AAT {
+
+
+struct TrackTableEntry
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  protected:
+  Fixed	track;	/* Track value for this record. */
+  HBUINT16	nameIndex;	/* The 'name' table index for this track */
+  HBUINT16  offset;	/* Offset from start of tracking table to per-size tracking values for this track. */
+
+  public:
+  DEFINE_SIZE_MIN (8);
+};
+
+struct TrackData
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  protected:
+  HBUINT16	nTracks;	/* Number of separate tracks included in this table. */
+  HBUINT16	nSizes;	/* Number of point sizes included in this table. */
+  OffsetTo<UnsizedArrayOf<Fixed>, HBUINT32> sizeTable;
+  TrackTableEntry	trackTable[VAR];	/* Array[nSizes] of size values. */
+
+  public:
+  DEFINE_SIZE_MIN (8);
+};
+
+struct trak
+{
+  static const hb_tag_t tableTag = HB_AAT_TAG_trak;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  protected:
+  FixedVersion<>version;		/* Version of the tracking table--currently
+					 * 0x00010000u for version 1.0. */
+  HBUINT16	format; /* Format of the tracking table */
+  OffsetTo<TrackData, HBUINT16>	horizOffset;	/* TrackData for horizontal text */
+  OffsetTo<TrackData, HBUINT16>	vertOffset;	/* TrackData for vertical text */
+  HBUINT16	reserved;	/* Reserved. Set to 0. */
+
+  public:
+  DEFINE_SIZE_MIN (12);
+};
+
+} /* namespace AAT */
+
+
+#endif /* HB_AAT_LAYOUT_TRAK_TABLE_HH */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index b1b1c7412..3b967c6b7 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -30,8 +30,9 @@
 #include "hb-ot-layout-gsubgpos-private.hh"
 
 #include "hb-aat-layout-private.hh"
-#include "hb-aat-layout-kerx-table.hh"
 #include "hb-aat-layout-morx-table.hh"
+#include "hb-aat-layout-kerx-table.hh"
+#include "hb-aat-layout-trak-table.hh"
 
 /*
  * mort/morx
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index cf691d370..0c3bcbc5b 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -131,8 +131,9 @@ namespace OT {
 }
 
 namespace AAT {
-  struct kerx;
   struct morx;
+  struct kerx;
+  struct trak;
 }
 
 struct hb_ot_layout_lookup_accelerator_t
@@ -170,8 +171,9 @@ struct hb_ot_layout_t
   OT::hb_lazy_table_loader_t<struct OT::MATH> math;
   OT::hb_lazy_table_loader_t<struct OT::fvar> fvar;
   OT::hb_lazy_table_loader_t<struct OT::avar> avar;
-  OT::hb_lazy_table_loader_t<struct AAT::kerx> kerx;
   OT::hb_lazy_table_loader_t<struct AAT::morx> morx;
+  OT::hb_lazy_table_loader_t<struct AAT::kerx> kerx;
+  OT::hb_lazy_table_loader_t<struct AAT::trak> trak;
 
   unsigned int gsub_lookup_count;
   unsigned int gpos_lookup_count;

From 53cf61b0299775f94c625de1bb0a7979b3b0c379 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 20 Feb 2018 10:53:10 +0330
Subject: [PATCH 1233/1326] Change Alpine and ArchLinux bot to test O3 and O0
 on gcc, #801

---
 .circleci/config.yml | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5c27bb356..e30b5b45b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -15,23 +15,25 @@ jobs:
       - run: rm -rf harfbuzz-*
       - run: make distdir && cd harfbuzz-* && cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test && ninja -Cbuild install
 
-  alpine:
+  alpine-O3:
     docker:
       - image: alpine
     steps:
       - checkout
       - run: apk update && apk add ragel make pkgconfig libtool autoconf automake gettext gcc g++ glib-dev freetype-dev cairo-dev
-      - run: ./autogen.sh
+      # C??FLAGS are not needed for a regular build
+      - run: CFLAGS="-O3" CXXFLAGS="-O3" ./autogen.sh
       - run: make
       - run: make check || .ci/fail.sh
 
-  archlinux-debug:
+  archlinux-debug-O0:
     docker:
       - image: base/devel
     steps:
       - checkout
       - run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel python
-      - run: CPPFLAGS="-DHB_DEBUG" ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
+      # C??FLAGS are not needed for a regular build
+      - run: CFLAGS="-O0" CXXFLAGS="-O0" CPPFLAGS="-DHB_DEBUG" ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
       - run: make
       - run: make check || .ci/fail.sh
 
@@ -149,8 +151,8 @@ workflows:
       - distcheck
 
       # autotools based builds
-      - alpine
-      - archlinux-debug
+      - alpine-O3
+      - archlinux-debug-O0
       - fedora-outoftreebuild
 
       # cmake based builds

From 25136d9b7265d8920a78f3f832f1c69da4ef1f5b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20R=C3=B6ttsches?= <drott@chromium.org>
Date: Tue, 20 Feb 2018 10:26:07 +0200
Subject: [PATCH 1234/1326] Use %zu format specifier for size_t to fix cross
 platform build

Fixes Chromium Android builds, compare
https://ci.chromium.org/buildbot/tryserver.chromium.android/linux_android_rel_ng/491787
---
 src/hb-ot-cmap-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 284b62cdd..8d9ade432 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -604,7 +604,7 @@ struct cmap
                    + 12 * groups.len; // SequentialMapGroup records
     void *dest = calloc (dest_sz, 1);
     if (unlikely (!dest)) {
-      DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %ld for cmap subset output", dest_sz);
+      DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %zu for cmap subset output", dest_sz);
       return false;
     }
 

From 975c35214f8c8f0d90a8b114e1a8c06d5ecdecfd Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 20 Feb 2018 17:49:29 +0330
Subject: [PATCH 1235/1326] [dev-run] Support autotools builds

---
 src/dev-run.sh | 46 +++++++++++++++++++++++++++++++---------------
 1 file changed, 31 insertions(+), 15 deletions(-)

diff --git a/src/dev-run.sh b/src/dev-run.sh
index 2c50dc58e..8589f62d4 100755
--- a/src/dev-run.sh
+++ b/src/dev-run.sh
@@ -1,22 +1,38 @@
 #!/bin/bash
-
-for cmd in cmake ninja entr; do
-    command -v $cmd >/dev/null 2>&1 || { echo >&2 "This script needs $cmd be installed"; exit 1; }
-done
+# Suggested setup to use the script:
+#  (on the root of the project)
+#  $ NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo
+#  $ mkdir build && cd build && ../configure && make -j5 && cd ..
+#  $ src/dev-run.sh [FONT-FILE] [TEXT]
+#
+# Or, using cmake:
+#  $ cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild
+#  $ src/dev-run.sh [FONT-FILE] [TEXT]
+#
 
 [ $# = 0 ] && echo Usage: "src/dev-run.sh [FONT-FILE] [TEXT]" && exit
+command -v entr >/dev/null 2>&1 || { echo >&2 "This script needs `entr` be installed"; exit 1; }
 
-cmake -DHB_CHECK=ON -DHB_DISABLE_TEST_PROGS=ON -Bbuild -H. -GNinja
-ninja -Cbuild
-
+[ -f 'build/build.ninja' ] && CMAKENINJA=TRUE
 # or "fswatch -0 . -e build/ -e .git"
-find src/ | entr printf '\0' | while read -d "" event; do
-    clear
-    ninja -Cbuild
-    build/hb-shape $@
-    build/hb-view $@
+find src/ | entr printf '\0' | while read -d ""; do
+	clear
+	if [[ $CMAKENINJA ]]; then
+		ninja -Cbuild hb-shape hb-view
+		build/hb-shape $@
+		build/hb-view $@
+	else
+		make -Cbuild/src -j5 -s lib
+		build/util/hb-shape $@
+		build/util/hb-view $@
+	fi
 done
 
-cmake -DHB_CHECK=ON -DHB_DISABLE_TEST_PROGS=OFF -Bbuild -H. -GNinja
-ninja -Cbuild
-CTEST_OUTPUT_ON_FAILURE=1 CTEST_PARALLEL_LEVEL=8 ninja -Cbuild test
+read -n 1 -p "Run the tests (y/n)? " answer
+if [[ "$answer" = "y" ]]; then
+	if [[ $CMAKENINJA ]]; then
+		CTEST_OUTPUT_ON_FAILURE=1 CTEST_PARALLEL_LEVEL=5 ninja -Cbuild test
+	else
+		make -j5 check && .ci/fail.sh
+	fi
+fi

From c7e834a2fc5f8fb81f5316447e4075902d58d8a3 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Tue, 20 Feb 2018 17:59:04 +0330
Subject: [PATCH 1236/1326] [dev-run] minor

---
 src/dev-run.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dev-run.sh b/src/dev-run.sh
index 8589f62d4..5a7ae1022 100755
--- a/src/dev-run.sh
+++ b/src/dev-run.sh
@@ -33,6 +33,6 @@ if [[ "$answer" = "y" ]]; then
 	if [[ $CMAKENINJA ]]; then
 		CTEST_OUTPUT_ON_FAILURE=1 CTEST_PARALLEL_LEVEL=5 ninja -Cbuild test
 	else
-		make -j5 check && .ci/fail.sh
+		make -Cbuild -j5 check && .ci/fail.sh
 	fi
 fi

From d1f16fce963092404bf0b59e449a3215ca031b54 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 20 Feb 2018 10:32:09 -0800
Subject: [PATCH 1237/1326] Don't use %zu

Some of our bots / compilers don't like it. Wasn't caught by bots because this
is only in debug code.

https://github.com/harfbuzz/harfbuzz/pull/809/commits/825ad378e0f0e6e6bb690894a0d5d25f198be21b
---
 src/hb-ot-cmap-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 8d9ade432..4593152b5 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -604,7 +604,7 @@ struct cmap
                    + 12 * groups.len; // SequentialMapGroup records
     void *dest = calloc (dest_sz, 1);
     if (unlikely (!dest)) {
-      DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %zu for cmap subset output", dest_sz);
+      DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %lu for cmap subset output", (unsigned long) dest_sz);
       return false;
     }
 

From e3e0ac98238b78530a625a6b7e7647dbabbe1c4d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 20 Feb 2018 14:07:40 -0800
Subject: [PATCH 1238/1326] [subset] Move glyf subsetting code into
 hb-ot-glyf-table.hh

---
 src/hb-ot-glyf-table.hh | 49 +++++++++++++++++++++++++++++++++++++++-
 src/hb-subset.cc        | 50 +----------------------------------------
 2 files changed, 49 insertions(+), 50 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index a73fd4aaa..454b4e686 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -29,7 +29,9 @@
 
 #include "hb-open-type-private.hh"
 #include "hb-ot-head-table.hh"
-
+#include "hb-subset-glyf.hh"
+#include "hb-subset-plan.hh"
+#include "hb-subset-private.hh"
 
 namespace OT {
 
@@ -78,6 +80,51 @@ struct glyf
     return_trace (true);
   }
 
+  inline bool subset (hb_subset_plan_t *plan) const
+  {
+    hb_blob_t *glyf_prime = nullptr;
+    hb_blob_t *loca_prime = nullptr;
+
+    bool success = true;
+    bool use_short_loca = false;
+    if (hb_subset_glyf_and_loca (plan, &use_short_loca, &glyf_prime, &loca_prime)) {
+      success = success && hb_subset_plan_add_table (plan, HB_OT_TAG_glyf, glyf_prime);
+      success = success && hb_subset_plan_add_table (plan, HB_OT_TAG_loca, loca_prime);
+      success = success && _add_head_and_set_loca_version (plan->source, use_short_loca, plan->dest);
+    } else {
+      success = false;
+    }
+    hb_blob_destroy (loca_prime);
+    hb_blob_destroy (glyf_prime);
+
+    return success;
+  }
+
+  static bool
+  _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_t *dest)
+  {
+    hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (hb_face_reference_table (source, HB_OT_TAG_head));
+    const OT::head *head = OT::Sanitizer<OT::head>::lock_instance (head_blob);
+    hb_bool_t has_head = (head != nullptr);
+
+    if (has_head) {
+      OT::head *head_prime = (OT::head *) malloc (OT::head::static_size);
+      memcpy (head_prime, head, OT::head::static_size);
+      head_prime->indexToLocFormat.set (use_short_loca ? 0 : 1);
+
+      hb_blob_t *head_prime_blob = hb_blob_create ((const char*) head_prime,
+                                                   OT::head::static_size,
+                                                   HB_MEMORY_MODE_READONLY,
+                                                   head_prime,
+                                                   free);
+      has_head = hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
+      hb_blob_destroy (head_prime_blob);
+    }
+
+    hb_blob_destroy (head_blob);
+    return has_head;
+  }
+
   struct GlyphHeader
   {
     HBINT16		numberOfContours;	/* If the number of contours is
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 1fe266fc4..418e481f8 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -219,63 +219,15 @@ hb_subset_face_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
   return true;
 }
 
-static bool
-_add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_t *dest)
-{
-  hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (hb_face_reference_table (source, HB_OT_TAG_head));
-  const OT::head *head = OT::Sanitizer<OT::head>::lock_instance (head_blob);
-  hb_bool_t has_head = (head != nullptr);
-
-  if (has_head) {
-    OT::head *head_prime = (OT::head *) malloc (OT::head::static_size);
-    memcpy (head_prime, head, OT::head::static_size);
-    head_prime->indexToLocFormat.set (use_short_loca ? 0 : 1);
-
-    hb_blob_t *head_prime_blob = hb_blob_create ((const char*) head_prime,
-                                                 OT::head::static_size,
-                                                 HB_MEMORY_MODE_READONLY,
-                                                 head_prime,
-                                                 free);
-    has_head = hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
-    hb_blob_destroy (head_prime_blob);
-  }
-
-  hb_blob_destroy (head_blob);
-  return has_head;
-}
-
-static bool
-_subset_glyf (hb_subset_plan_t *plan)
-{
-  hb_blob_t *glyf_prime = nullptr;
-  hb_blob_t *loca_prime = nullptr;
-
-  bool success = true;
-  bool use_short_loca = false;
-  // TODO(grieger): Migrate to subset function on the table like cmap.
-  if (hb_subset_glyf_and_loca (plan, &use_short_loca, &glyf_prime, &loca_prime)) {
-    success = success && hb_subset_plan_add_table (plan, HB_OT_TAG_glyf, glyf_prime);
-    success = success && hb_subset_plan_add_table (plan, HB_OT_TAG_loca, loca_prime);
-    success = success && _add_head_and_set_loca_version (plan->source, use_short_loca, plan->dest);
-  } else {
-    success = false;
-  }
-  hb_blob_destroy (loca_prime);
-  hb_blob_destroy (glyf_prime);
-
-  return success;
-}
-
 static bool
 _subset_table (hb_subset_plan_t *plan,
                hb_tag_t          tag)
 {
-  // TODO (grieger): Handle updating the head table (loca format + num glyphs)
   DEBUG_MSG(SUBSET, nullptr, "begin subset %c%c%c%c", HB_UNTAG(tag));
   bool result = true;
   switch (tag) {
     case HB_OT_TAG_glyf:
-      result = _subset_glyf (plan);
+      result = _subset<const OT::glyf> (plan);
       break;
     case HB_OT_TAG_head:
       // SKIP head, it's handled by glyf

From 69e443b254fceb29f26f6a0c0129fe3c93c19cfb Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 20 Feb 2018 14:29:21 -0800
Subject: [PATCH 1239/1326] [subset] Switch to hb_blob_copy_writable_or_fail in
 glyf subsetting.

---
 src/hb-ot-glyf-table.hh | 29 +++++++++++------------------
 src/hb-ot-maxp-table.hh |  3 +--
 2 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 454b4e686..50a711154 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -104,25 +104,18 @@ struct glyf
   _add_head_and_set_loca_version (hb_face_t *source, bool use_short_loca, hb_face_t *dest)
   {
     hb_blob_t *head_blob = OT::Sanitizer<OT::head>().sanitize (hb_face_reference_table (source, HB_OT_TAG_head));
-    const OT::head *head = OT::Sanitizer<OT::head>::lock_instance (head_blob);
-    hb_bool_t has_head = (head != nullptr);
-
-    if (has_head) {
-      OT::head *head_prime = (OT::head *) malloc (OT::head::static_size);
-      memcpy (head_prime, head, OT::head::static_size);
-      head_prime->indexToLocFormat.set (use_short_loca ? 0 : 1);
-
-      hb_blob_t *head_prime_blob = hb_blob_create ((const char*) head_prime,
-                                                   OT::head::static_size,
-                                                   HB_MEMORY_MODE_READONLY,
-                                                   head_prime,
-                                                   free);
-      has_head = hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
-      hb_blob_destroy (head_prime_blob);
-    }
-
+    hb_blob_t *head_prime_blob = hb_blob_copy_writable_or_fail (head_blob);
     hb_blob_destroy (head_blob);
-    return has_head;
+
+    if (unlikely (!head_prime_blob))
+      return false;
+
+    OT::head *head_prime = (OT::head *) hb_blob_get_data_writable (head_prime_blob, nullptr);
+    head_prime->indexToLocFormat.set (use_short_loca ? 0 : 1);
+    bool success = hb_subset_face_add_table (dest, HB_OT_TAG_head, head_prime_blob);
+
+    hb_blob_destroy (head_prime_blob);
+    return success;
   }
 
   struct GlyphHeader
diff --git a/src/hb-ot-maxp-table.hh b/src/hb-ot-maxp-table.hh
index 3ffa57b15..129292296 100644
--- a/src/hb-ot-maxp-table.hh
+++ b/src/hb-ot-maxp-table.hh
@@ -70,8 +70,7 @@ struct maxp
     if (unlikely (!maxp_prime_blob)) {
       return false;
     }
-    unsigned int length;
-    OT::maxp *maxp_prime = (OT::maxp *) hb_blob_get_data (maxp_prime_blob, &length);
+    OT::maxp *maxp_prime = (OT::maxp *) hb_blob_get_data (maxp_prime_blob, nullptr);
 
     maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);
 

From abc82b493e301e5588d689baa1434b3ce6577fcd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 20 Feb 2018 14:34:16 -0800
Subject: [PATCH 1240/1326] Add Ragel-generated files to git

I know it's bad form; I know I've said no to this multiple times...
But this is part of an experiment to see if we can make rolling HarfBuzz
into Chrome much faster. That will give us a lot more testing exposure
that currently Chrome does.

Doing this while those files are still considered ignored by our
gitignore rules; will see how that flies.
---
 autogen.sh                                 |   10 +-
 src/Makefile.am                            |    3 +-
 src/hb-ot-shape-complex-indic-machine.hh   | 1319 ++++++++++++++++++++
 src/hb-ot-shape-complex-khmer-machine.hh   |  294 +++++
 src/hb-ot-shape-complex-myanmar-machine.hh |  413 ++++++
 src/hb-ot-shape-complex-use-machine.hh     |  502 ++++++++
 6 files changed, 2535 insertions(+), 6 deletions(-)
 create mode 100644 src/hb-ot-shape-complex-indic-machine.hh
 create mode 100644 src/hb-ot-shape-complex-khmer-machine.hh
 create mode 100644 src/hb-ot-shape-complex-myanmar-machine.hh
 create mode 100644 src/hb-ot-shape-complex-use-machine.hh

diff --git a/autogen.sh b/autogen.sh
index cbc8627d5..fd5c1983c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -7,11 +7,11 @@ test -n "$srcdir" || srcdir=.
 olddir=`pwd`
 cd $srcdir
 
-echo -n "checking for ragel... "
-which ragel || {
-	echo "You need to install ragel... See http://www.complang.org/ragel/"
-	exit 1
-}
+#echo -n "checking for ragel... "
+#which ragel || {
+#	echo "You need to install ragel... See http://www.complang.org/ragel/"
+#	exit 1
+#}
 
 echo -n "checking for pkg-config... "
 which pkg-config || {
diff --git a/src/Makefile.am b/src/Makefile.am
index 161bdcb0f..aba6803cd 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -300,7 +300,8 @@ EXTRA_DIST += \
 	$(HB_BASE_RAGEL_sources) \
 	$(HB_OT_RAGEL_sources) \
 	$(NULL)
-MAINTAINERCLEANFILES += $(RAGEL_GENERATED)
+# We decided to add ragel-generated files to git...
+#MAINTAINERCLEANFILES += $(RAGEL_GENERATED)
 $(srcdir)/%.hh: $(srcdir)/%.rl
 	$(AM_V_GEN)(cd $(srcdir) && $(RAGEL) -e -F1 -o "$*.hh" "$*.rl") \
 	|| ($(RM) "$@"; false)
diff --git a/src/hb-ot-shape-complex-indic-machine.hh b/src/hb-ot-shape-complex-indic-machine.hh
new file mode 100644
index 000000000..f3cea2271
--- /dev/null
+++ b/src/hb-ot-shape-complex-indic-machine.hh
@@ -0,0 +1,1319 @@
+
+#line 1 "hb-ot-shape-complex-indic-machine.rl"
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_INDIC_MACHINE_HH
+#define HB_OT_SHAPE_COMPLEX_INDIC_MACHINE_HH
+
+#include "hb-private.hh"
+
+
+#line 36 "hb-ot-shape-complex-indic-machine.hh"
+static const unsigned char _indic_syllable_machine_trans_keys[] = {
+	8u, 8u, 5u, 8u, 5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 5u, 8u, 
+	5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 4u, 8u, 6u, 6u, 16u, 16u, 
+	4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 
+	16u, 16u, 4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 4u, 8u, 
+	4u, 13u, 4u, 8u, 4u, 13u, 8u, 8u, 5u, 8u, 5u, 7u, 7u, 7u, 5u, 8u, 
+	5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 
+	4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 
+	16u, 16u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 
+	4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 8u, 8u, 5u, 8u, 
+	5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 
+	5u, 8u, 5u, 7u, 7u, 7u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 
+	16u, 16u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 
+	4u, 13u, 4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 4u, 8u, 
+	8u, 8u, 5u, 8u, 5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 5u, 8u, 
+	5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 4u, 8u, 6u, 6u, 16u, 16u, 
+	4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 
+	16u, 16u, 4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 4u, 8u, 4u, 13u, 4u, 8u, 
+	4u, 13u, 4u, 8u, 4u, 13u, 4u, 13u, 5u, 8u, 5u, 8u, 5u, 7u, 5u, 8u, 
+	5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 5u, 8u, 5u, 7u, 7u, 7u, 
+	8u, 8u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 
+	6u, 6u, 16u, 16u, 4u, 8u, 6u, 6u, 16u, 16u, 8u, 8u, 1u, 19u, 3u, 17u, 
+	3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 
+	3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 
+	3u, 17u, 4u, 17u, 5u, 10u, 5u, 10u, 5u, 10u, 10u, 10u, 10u, 10u, 10u, 10u, 
+	5u, 10u, 3u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 
+	3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 
+	3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 3u, 17u, 
+	1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 
+	1u, 16u, 1u, 16u, 3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 
+	3u, 17u, 3u, 17u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 
+	4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 
+	4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 4u, 17u, 5u, 10u, 5u, 10u, 5u, 10u, 
+	10u, 10u, 10u, 10u, 10u, 10u, 5u, 10u, 3u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 
+	3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 
+	5u, 10u, 3u, 10u, 4u, 10u, 3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 
+	1u, 16u, 3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 
+	3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 3u, 17u, 1u, 16u, 
+	1u, 16u, 1u, 16u, 1u, 16u, 4u, 8u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 
+	3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 
+	3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 4u, 17u, 5u, 10u, 
+	5u, 10u, 5u, 10u, 10u, 10u, 10u, 10u, 10u, 10u, 5u, 10u, 3u, 10u, 3u, 10u, 
+	4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 
+	3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 3u, 17u, 3u, 17u, 1u, 16u, 
+	1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 
+	1u, 16u, 3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 
+	3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 4u, 13u, 3u, 17u, 4u, 8u, 
+	3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 
+	3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 
+	3u, 17u, 3u, 17u, 4u, 17u, 5u, 10u, 5u, 10u, 5u, 10u, 10u, 10u, 10u, 10u, 
+	10u, 10u, 5u, 10u, 3u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 
+	5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 
+	4u, 10u, 3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 
+	3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 3u, 17u, 1u, 16u, 
+	1u, 16u, 1u, 16u, 1u, 16u, 3u, 17u, 3u, 17u, 1u, 16u, 1u, 16u, 1u, 16u, 
+	1u, 16u, 3u, 17u, 1u, 17u, 3u, 17u, 1u, 17u, 4u, 13u, 5u, 10u, 10u, 10u, 
+	10u, 10u, 10u, 10u, 5u, 10u, 1u, 16u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 
+	4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 3u, 10u, 4u, 10u, 5u, 10u, 
+	3u, 10u, 5u, 10u, 5u, 10u, 10u, 10u, 10u, 10u, 10u, 10u, 5u, 10u, 1u, 16u, 
+	0
+};
+
+static const char _indic_syllable_machine_key_spans[] = {
+	1, 4, 3, 1, 4, 3, 1, 4, 
+	3, 1, 4, 3, 1, 5, 1, 1, 
+	5, 1, 1, 5, 1, 1, 5, 1, 
+	1, 5, 10, 5, 10, 5, 10, 5, 
+	10, 5, 10, 1, 4, 3, 1, 4, 
+	3, 1, 4, 3, 1, 4, 3, 1, 
+	5, 1, 1, 5, 1, 1, 5, 1, 
+	1, 5, 1, 1, 5, 10, 5, 10, 
+	5, 10, 5, 10, 5, 10, 1, 4, 
+	3, 1, 4, 3, 1, 4, 3, 1, 
+	4, 3, 1, 5, 1, 1, 5, 1, 
+	1, 5, 1, 1, 5, 1, 1, 5, 
+	10, 5, 10, 5, 10, 5, 10, 5, 
+	1, 4, 3, 1, 4, 3, 1, 4, 
+	3, 1, 4, 3, 1, 5, 1, 1, 
+	5, 1, 1, 5, 1, 1, 5, 1, 
+	1, 5, 10, 5, 10, 5, 10, 5, 
+	10, 5, 10, 10, 4, 4, 3, 4, 
+	3, 1, 4, 3, 1, 4, 3, 1, 
+	1, 5, 1, 1, 5, 1, 1, 5, 
+	1, 1, 5, 1, 1, 1, 19, 15, 
+	15, 14, 16, 15, 15, 14, 16, 15, 
+	15, 14, 16, 15, 15, 14, 16, 15, 
+	15, 14, 6, 6, 6, 1, 1, 1, 
+	6, 8, 8, 7, 6, 8, 7, 6, 
+	8, 7, 6, 8, 7, 6, 8, 7, 
+	15, 15, 16, 16, 16, 16, 15, 15, 
+	16, 16, 16, 16, 15, 15, 16, 16, 
+	16, 16, 15, 15, 16, 16, 16, 16, 
+	15, 15, 15, 15, 14, 16, 15, 15, 
+	14, 16, 15, 15, 14, 16, 15, 15, 
+	14, 16, 15, 15, 14, 6, 6, 6, 
+	1, 1, 1, 6, 8, 8, 7, 6, 
+	8, 7, 6, 8, 7, 6, 8, 7, 
+	6, 8, 7, 15, 15, 16, 16, 16, 
+	16, 15, 15, 16, 16, 16, 16, 15, 
+	15, 16, 16, 16, 16, 15, 15, 16, 
+	16, 16, 16, 5, 15, 15, 14, 16, 
+	15, 15, 14, 16, 15, 15, 14, 16, 
+	15, 15, 14, 16, 15, 15, 14, 6, 
+	6, 6, 1, 1, 1, 6, 8, 8, 
+	7, 6, 8, 7, 6, 8, 7, 6, 
+	8, 7, 6, 8, 7, 15, 15, 16, 
+	16, 16, 16, 15, 15, 16, 16, 16, 
+	16, 15, 15, 16, 16, 16, 16, 15, 
+	15, 16, 16, 16, 16, 10, 15, 5, 
+	15, 15, 14, 16, 15, 15, 14, 16, 
+	15, 15, 14, 16, 15, 15, 14, 16, 
+	15, 15, 14, 6, 6, 6, 1, 1, 
+	1, 6, 8, 8, 7, 6, 8, 7, 
+	6, 8, 7, 6, 8, 7, 6, 8, 
+	7, 15, 15, 16, 16, 16, 16, 15, 
+	15, 16, 16, 16, 16, 15, 15, 16, 
+	16, 16, 16, 15, 15, 16, 16, 16, 
+	16, 15, 17, 15, 17, 10, 6, 1, 
+	1, 1, 6, 16, 8, 7, 6, 8, 
+	7, 6, 8, 7, 6, 8, 7, 6, 
+	8, 6, 6, 1, 1, 1, 6, 16
+};
+
+static const short _indic_syllable_machine_index_offsets[] = {
+	0, 2, 7, 11, 13, 18, 22, 24, 
+	29, 33, 35, 40, 44, 46, 52, 54, 
+	56, 62, 64, 66, 72, 74, 76, 82, 
+	84, 86, 92, 103, 109, 120, 126, 137, 
+	143, 154, 160, 171, 173, 178, 182, 184, 
+	189, 193, 195, 200, 204, 206, 211, 215, 
+	217, 223, 225, 227, 233, 235, 237, 243, 
+	245, 247, 253, 255, 257, 263, 274, 280, 
+	291, 297, 308, 314, 325, 331, 342, 344, 
+	349, 353, 355, 360, 364, 366, 371, 375, 
+	377, 382, 386, 388, 394, 396, 398, 404, 
+	406, 408, 414, 416, 418, 424, 426, 428, 
+	434, 445, 451, 462, 468, 479, 485, 496, 
+	502, 504, 509, 513, 515, 520, 524, 526, 
+	531, 535, 537, 542, 546, 548, 554, 556, 
+	558, 564, 566, 568, 574, 576, 578, 584, 
+	586, 588, 594, 605, 611, 622, 628, 639, 
+	645, 656, 662, 673, 684, 689, 694, 698, 
+	703, 707, 709, 714, 718, 720, 725, 729, 
+	731, 733, 739, 741, 743, 749, 751, 753, 
+	759, 761, 763, 769, 771, 773, 775, 795, 
+	811, 827, 842, 859, 875, 891, 906, 923, 
+	939, 955, 970, 987, 1003, 1019, 1034, 1051, 
+	1067, 1083, 1098, 1105, 1112, 1119, 1121, 1123, 
+	1125, 1132, 1141, 1150, 1158, 1165, 1174, 1182, 
+	1189, 1198, 1206, 1213, 1222, 1230, 1237, 1246, 
+	1254, 1270, 1286, 1303, 1320, 1337, 1354, 1370, 
+	1386, 1403, 1420, 1437, 1454, 1470, 1486, 1503, 
+	1520, 1537, 1554, 1570, 1586, 1603, 1620, 1637, 
+	1654, 1670, 1686, 1702, 1718, 1733, 1750, 1766, 
+	1782, 1797, 1814, 1830, 1846, 1861, 1878, 1894, 
+	1910, 1925, 1942, 1958, 1974, 1989, 1996, 2003, 
+	2010, 2012, 2014, 2016, 2023, 2032, 2041, 2049, 
+	2056, 2065, 2073, 2080, 2089, 2097, 2104, 2113, 
+	2121, 2128, 2137, 2145, 2161, 2177, 2194, 2211, 
+	2228, 2245, 2261, 2277, 2294, 2311, 2328, 2345, 
+	2361, 2377, 2394, 2411, 2428, 2445, 2461, 2477, 
+	2494, 2511, 2528, 2545, 2551, 2567, 2583, 2598, 
+	2615, 2631, 2647, 2662, 2679, 2695, 2711, 2726, 
+	2743, 2759, 2775, 2790, 2807, 2823, 2839, 2854, 
+	2861, 2868, 2875, 2877, 2879, 2881, 2888, 2897, 
+	2906, 2914, 2921, 2930, 2938, 2945, 2954, 2962, 
+	2969, 2978, 2986, 2993, 3002, 3010, 3026, 3042, 
+	3059, 3076, 3093, 3110, 3126, 3142, 3159, 3176, 
+	3193, 3210, 3226, 3242, 3259, 3276, 3293, 3310, 
+	3326, 3342, 3359, 3376, 3393, 3410, 3421, 3437, 
+	3443, 3459, 3475, 3490, 3507, 3523, 3539, 3554, 
+	3571, 3587, 3603, 3618, 3635, 3651, 3667, 3682, 
+	3699, 3715, 3731, 3746, 3753, 3760, 3767, 3769, 
+	3771, 3773, 3780, 3789, 3798, 3806, 3813, 3822, 
+	3830, 3837, 3846, 3854, 3861, 3870, 3878, 3885, 
+	3894, 3902, 3918, 3934, 3951, 3968, 3985, 4002, 
+	4018, 4034, 4051, 4068, 4085, 4102, 4118, 4134, 
+	4151, 4168, 4185, 4202, 4218, 4234, 4251, 4268, 
+	4285, 4302, 4318, 4336, 4352, 4370, 4381, 4388, 
+	4390, 4392, 4394, 4401, 4418, 4427, 4435, 4442, 
+	4451, 4459, 4466, 4475, 4483, 4490, 4499, 4507, 
+	4514, 4523, 4530, 4537, 4539, 4541, 4543, 4550
+};
+
+static const short _indic_syllable_machine_indicies[] = {
+	1, 0, 2, 2, 3, 1, 0, 4, 
+	4, 3, 0, 3, 0, 5, 5, 6, 
+	1, 0, 7, 7, 6, 0, 6, 0, 
+	8, 8, 9, 1, 0, 10, 10, 9, 
+	0, 9, 0, 11, 11, 12, 1, 0, 
+	13, 13, 12, 0, 12, 0, 14, 0, 
+	0, 0, 1, 0, 15, 0, 16, 0, 
+	17, 11, 11, 12, 1, 0, 18, 0, 
+	19, 0, 20, 8, 8, 9, 1, 0, 
+	21, 0, 22, 0, 23, 5, 5, 6, 
+	1, 0, 24, 0, 25, 0, 26, 2, 
+	2, 3, 1, 0, 26, 2, 2, 3, 
+	1, 0, 0, 0, 0, 27, 0, 28, 
+	2, 2, 3, 1, 0, 28, 2, 2, 
+	3, 1, 0, 0, 0, 0, 29, 0, 
+	30, 2, 2, 3, 1, 0, 30, 2, 
+	2, 3, 1, 0, 0, 0, 0, 31, 
+	0, 32, 2, 2, 3, 1, 0, 32, 
+	2, 2, 3, 1, 0, 0, 0, 0, 
+	33, 0, 34, 2, 2, 3, 1, 0, 
+	34, 2, 2, 3, 1, 0, 0, 0, 
+	0, 35, 0, 37, 36, 38, 38, 39, 
+	37, 36, 40, 40, 39, 36, 39, 36, 
+	41, 41, 42, 37, 36, 43, 43, 42, 
+	36, 42, 36, 44, 44, 45, 37, 36, 
+	46, 46, 45, 36, 45, 36, 47, 47, 
+	48, 37, 36, 49, 49, 48, 36, 48, 
+	36, 50, 36, 36, 36, 37, 36, 51, 
+	36, 52, 36, 53, 47, 47, 48, 37, 
+	36, 54, 36, 55, 36, 56, 44, 44, 
+	45, 37, 36, 57, 36, 58, 36, 59, 
+	41, 41, 42, 37, 36, 60, 36, 61, 
+	36, 62, 38, 38, 39, 37, 36, 62, 
+	38, 38, 39, 37, 36, 36, 36, 36, 
+	63, 36, 64, 38, 38, 39, 37, 36, 
+	64, 38, 38, 39, 37, 36, 36, 36, 
+	36, 65, 36, 66, 38, 38, 39, 37, 
+	36, 66, 38, 38, 39, 37, 36, 36, 
+	36, 36, 67, 36, 68, 38, 38, 39, 
+	37, 36, 68, 38, 38, 39, 37, 36, 
+	36, 36, 36, 69, 36, 70, 38, 38, 
+	39, 37, 36, 70, 38, 38, 39, 37, 
+	36, 36, 36, 36, 71, 36, 73, 72, 
+	74, 74, 75, 73, 72, 77, 77, 75, 
+	76, 75, 76, 78, 78, 79, 73, 72, 
+	80, 80, 79, 72, 79, 72, 81, 81, 
+	82, 73, 72, 83, 83, 82, 72, 82, 
+	72, 84, 84, 85, 73, 72, 86, 86, 
+	85, 72, 85, 72, 87, 72, 72, 72, 
+	73, 72, 88, 72, 89, 72, 90, 84, 
+	84, 85, 73, 72, 91, 72, 92, 72, 
+	93, 81, 81, 82, 73, 72, 94, 72, 
+	95, 72, 96, 78, 78, 79, 73, 72, 
+	97, 72, 98, 72, 99, 74, 74, 75, 
+	73, 72, 99, 74, 74, 75, 73, 72, 
+	72, 72, 72, 100, 72, 101, 74, 74, 
+	75, 73, 72, 101, 74, 74, 75, 73, 
+	72, 72, 72, 72, 102, 72, 103, 74, 
+	74, 75, 73, 72, 103, 74, 74, 75, 
+	73, 72, 72, 72, 72, 104, 72, 105, 
+	74, 74, 75, 73, 72, 105, 74, 74, 
+	75, 73, 72, 72, 72, 72, 106, 72, 
+	107, 74, 74, 75, 73, 72, 109, 108, 
+	110, 110, 111, 109, 108, 112, 112, 111, 
+	108, 111, 108, 113, 113, 114, 109, 108, 
+	115, 115, 114, 108, 114, 108, 116, 116, 
+	117, 109, 108, 118, 118, 117, 108, 117, 
+	108, 119, 119, 120, 109, 108, 121, 121, 
+	120, 108, 120, 108, 122, 108, 108, 108, 
+	109, 108, 123, 108, 124, 108, 125, 119, 
+	119, 120, 109, 108, 126, 108, 127, 108, 
+	128, 116, 116, 117, 109, 108, 129, 108, 
+	130, 108, 131, 113, 113, 114, 109, 108, 
+	132, 108, 133, 108, 134, 110, 110, 111, 
+	109, 108, 134, 110, 110, 111, 109, 108, 
+	108, 108, 108, 135, 108, 136, 110, 110, 
+	111, 109, 108, 136, 110, 110, 111, 109, 
+	108, 108, 108, 108, 137, 108, 138, 110, 
+	110, 111, 109, 108, 138, 110, 110, 111, 
+	109, 108, 108, 108, 108, 139, 108, 140, 
+	110, 110, 111, 109, 108, 140, 110, 110, 
+	111, 109, 108, 108, 108, 108, 141, 108, 
+	142, 110, 110, 111, 109, 108, 142, 110, 
+	110, 111, 109, 108, 108, 108, 108, 143, 
+	108, 107, 74, 74, 75, 73, 72, 72, 
+	72, 72, 144, 72, 77, 77, 75, 1, 
+	0, 145, 145, 146, 1, 0, 4, 4, 
+	146, 0, 147, 147, 148, 149, 0, 150, 
+	150, 148, 0, 148, 0, 151, 151, 152, 
+	149, 0, 153, 153, 152, 0, 152, 0, 
+	154, 154, 155, 149, 0, 156, 156, 155, 
+	0, 155, 0, 149, 0, 157, 0, 0, 
+	0, 149, 0, 158, 0, 159, 0, 160, 
+	154, 154, 155, 149, 0, 161, 0, 162, 
+	0, 163, 151, 151, 152, 149, 0, 164, 
+	0, 165, 0, 166, 147, 147, 148, 149, 
+	0, 167, 0, 168, 0, 170, 169, 172, 
+	173, 174, 175, 176, 177, 75, 73, 171, 
+	178, 179, 179, 144, 171, 180, 181, 182, 
+	183, 184, 171, 186, 187, 188, 189, 3, 
+	1, 185, 190, 185, 185, 35, 185, 185, 
+	185, 191, 185, 192, 187, 193, 193, 3, 
+	1, 185, 190, 185, 185, 185, 185, 185, 
+	185, 191, 185, 187, 193, 193, 3, 1, 
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+	425, 446, 384, 109, 384, 389, 384, 384, 
+	384, 384, 384, 408, 384, 408, 384, 445, 
+	384, 425, 425, 384, 109, 384, 389, 384, 
+	384, 384, 384, 384, 408, 384, 402, 403, 
+	407, 407, 111, 109, 384, 389, 384, 384, 
+	384, 384, 384, 384, 390, 384, 402, 403, 
+	404, 407, 111, 109, 384, 389, 384, 384, 
+	139, 384, 384, 384, 390, 384, 400, 384, 
+	447, 384, 430, 430, 111, 109, 384, 389, 
+	384, 384, 384, 384, 384, 400, 384, 400, 
+	384, 384, 384, 425, 425, 384, 109, 384, 
+	389, 384, 384, 384, 384, 384, 400, 384, 
+	400, 384, 384, 384, 425, 448, 384, 109, 
+	384, 389, 384, 384, 384, 384, 384, 400, 
+	384, 400, 384, 447, 384, 425, 425, 384, 
+	109, 384, 389, 384, 384, 384, 384, 384, 
+	400, 384, 394, 395, 399, 399, 111, 109, 
+	384, 389, 384, 384, 384, 384, 384, 384, 
+	390, 384, 394, 395, 396, 399, 111, 109, 
+	384, 389, 384, 384, 141, 384, 384, 384, 
+	390, 384, 392, 384, 449, 384, 430, 430, 
+	111, 109, 384, 389, 384, 384, 384, 384, 
+	384, 392, 384, 392, 384, 384, 384, 425, 
+	425, 384, 109, 384, 389, 384, 384, 384, 
+	384, 384, 392, 384, 392, 384, 384, 384, 
+	425, 450, 384, 109, 384, 389, 384, 384, 
+	384, 384, 384, 392, 384, 392, 384, 449, 
+	384, 425, 425, 384, 109, 384, 389, 384, 
+	384, 384, 384, 384, 392, 384, 385, 386, 
+	388, 388, 111, 109, 384, 389, 384, 384, 
+	384, 384, 384, 384, 390, 384, 172, 173, 
+	174, 175, 451, 323, 75, 73, 321, 178, 
+	179, 179, 144, 321, 321, 172, 182, 321, 
+	186, 452, 188, 189, 3, 1, 185, 190, 
+	185, 185, 35, 185, 185, 185, 191, 185, 
+	194, 173, 174, 175, 453, 454, 75, 149, 
+	185, 455, 185, 179, 144, 185, 185, 194, 
+	182, 185, 107, 456, 456, 75, 149, 185, 
+	190, 185, 185, 144, 185, 457, 185, 185, 
+	458, 185, 455, 185, 455, 185, 459, 185, 
+	231, 185, 457, 185, 185, 185, 185, 455, 
+	185, 194, 185, 251, 107, 460, 460, 146, 
+	149, 185, 190, 185, 185, 185, 185, 185, 
+	194, 185, 461, 168, 462, 463, 148, 149, 
+	185, 455, 185, 168, 462, 463, 148, 149, 
+	185, 455, 185, 462, 462, 148, 149, 185, 
+	455, 185, 464, 165, 465, 466, 152, 149, 
+	185, 455, 185, 165, 465, 466, 152, 149, 
+	185, 455, 185, 465, 465, 152, 149, 185, 
+	455, 185, 467, 162, 468, 469, 155, 149, 
+	185, 455, 185, 162, 468, 469, 155, 149, 
+	185, 455, 185, 468, 468, 155, 149, 185, 
+	455, 185, 470, 159, 471, 472, 185, 149, 
+	185, 455, 185, 159, 471, 472, 185, 149, 
+	185, 455, 185, 471, 471, 185, 149, 185, 
+	455, 185, 474, 473, 475, 475, 473, 170, 
+	473, 476, 473, 475, 475, 473, 170, 473, 
+	476, 473, 477, 473, 473, 478, 473, 476, 
+	473, 476, 473, 479, 473, 480, 473, 477, 
+	473, 473, 473, 473, 476, 473, 172, 383, 
+	383, 383, 383, 383, 383, 383, 383, 383, 
+	179, 383, 383, 383, 383, 172, 383, 0
+};
+
+static const short _indic_syllable_machine_trans_targs[] = {
+	166, 188, 2, 194, 3, 5, 197, 6, 
+	8, 200, 9, 11, 203, 12, 14, 15, 
+	187, 17, 18, 202, 20, 21, 199, 23, 
+	24, 196, 205, 208, 212, 214, 218, 220, 
+	224, 226, 230, 232, 166, 255, 37, 261, 
+	38, 40, 264, 41, 43, 267, 44, 46, 
+	270, 47, 49, 50, 254, 52, 53, 269, 
+	55, 56, 266, 58, 59, 263, 272, 275, 
+	279, 281, 285, 287, 291, 293, 297, 300, 
+	166, 321, 72, 327, 166, 73, 75, 330, 
+	76, 78, 333, 79, 81, 336, 82, 84, 
+	85, 320, 87, 88, 335, 90, 91, 332, 
+	93, 94, 329, 338, 341, 345, 347, 351, 
+	353, 357, 359, 363, 166, 389, 106, 395, 
+	107, 109, 398, 110, 112, 401, 113, 115, 
+	404, 116, 118, 119, 388, 121, 122, 403, 
+	124, 125, 400, 127, 128, 397, 406, 409, 
+	413, 415, 419, 421, 425, 427, 431, 433, 
+	366, 142, 444, 144, 447, 438, 145, 147, 
+	450, 148, 150, 453, 151, 154, 155, 455, 
+	157, 158, 452, 160, 161, 449, 163, 164, 
+	446, 166, 458, 166, 167, 234, 301, 303, 
+	365, 367, 323, 368, 434, 435, 340, 456, 
+	463, 166, 168, 170, 34, 233, 190, 207, 
+	169, 33, 171, 228, 172, 174, 32, 227, 
+	173, 31, 175, 222, 176, 178, 30, 221, 
+	177, 29, 179, 216, 180, 182, 28, 215, 
+	181, 27, 183, 210, 184, 186, 26, 209, 
+	185, 25, 193, 0, 189, 192, 191, 166, 
+	1, 195, 4, 22, 198, 7, 19, 201, 
+	10, 16, 204, 13, 206, 211, 213, 217, 
+	219, 223, 225, 229, 231, 166, 235, 237, 
+	69, 299, 257, 274, 236, 68, 238, 295, 
+	239, 241, 67, 294, 240, 66, 242, 289, 
+	243, 245, 65, 288, 244, 64, 246, 283, 
+	247, 249, 63, 282, 248, 62, 250, 277, 
+	251, 253, 61, 276, 252, 60, 260, 35, 
+	256, 259, 258, 166, 36, 262, 39, 57, 
+	265, 42, 54, 268, 45, 51, 271, 48, 
+	273, 278, 280, 284, 286, 290, 292, 296, 
+	298, 166, 302, 103, 304, 361, 305, 307, 
+	102, 360, 306, 101, 308, 355, 309, 311, 
+	100, 354, 310, 99, 312, 349, 313, 315, 
+	98, 348, 314, 97, 316, 343, 317, 319, 
+	96, 342, 318, 95, 326, 70, 322, 325, 
+	324, 166, 71, 328, 74, 92, 331, 77, 
+	89, 334, 80, 86, 337, 83, 339, 344, 
+	346, 350, 352, 356, 358, 362, 364, 166, 
+	166, 369, 371, 138, 137, 391, 408, 370, 
+	372, 429, 373, 375, 136, 428, 374, 135, 
+	376, 423, 377, 379, 134, 422, 378, 133, 
+	380, 417, 381, 383, 132, 416, 382, 131, 
+	384, 411, 385, 387, 130, 410, 386, 129, 
+	394, 104, 390, 393, 392, 166, 105, 396, 
+	108, 126, 399, 111, 123, 402, 114, 120, 
+	405, 117, 407, 412, 414, 418, 420, 424, 
+	426, 430, 432, 139, 436, 437, 443, 440, 
+	140, 439, 442, 441, 141, 445, 143, 162, 
+	448, 146, 159, 451, 149, 156, 454, 152, 
+	153, 166, 457, 165, 460, 459, 462, 461, 
+	166
+};
+
+static const char _indic_syllable_machine_trans_actions[] = {
+	1, 0, 0, 2, 0, 0, 2, 0, 
+	0, 2, 0, 0, 2, 0, 0, 0, 
+	2, 0, 0, 2, 0, 0, 2, 0, 
+	0, 2, 2, 2, 2, 2, 2, 2, 
+	2, 2, 2, 2, 3, 0, 0, 2, 
+	0, 0, 2, 0, 0, 2, 0, 0, 
+	2, 0, 0, 0, 2, 0, 0, 2, 
+	0, 0, 2, 0, 0, 2, 2, 2, 
+	2, 2, 2, 2, 2, 2, 2, 2, 
+	4, 0, 0, 2, 5, 0, 0, 2, 
+	0, 0, 2, 0, 0, 2, 0, 0, 
+	0, 2, 0, 0, 2, 0, 0, 2, 
+	0, 0, 2, 2, 6, 2, 6, 2, 
+	6, 2, 6, 2, 7, 0, 0, 2, 
+	0, 0, 2, 0, 0, 2, 0, 0, 
+	2, 0, 0, 0, 2, 0, 0, 2, 
+	0, 0, 2, 0, 0, 2, 2, 2, 
+	2, 2, 2, 2, 2, 2, 2, 2, 
+	6, 0, 2, 0, 2, 0, 0, 0, 
+	2, 0, 0, 2, 0, 0, 0, 2, 
+	0, 0, 2, 0, 0, 2, 0, 0, 
+	2, 8, 0, 11, 2, 2, 6, 0, 
+	12, 12, 0, 2, 6, 2, 6, 2, 
+	0, 13, 2, 0, 0, 2, 0, 2, 
+	2, 0, 2, 2, 2, 0, 0, 2, 
+	2, 0, 2, 2, 2, 0, 0, 2, 
+	2, 0, 2, 2, 2, 0, 0, 2, 
+	2, 0, 2, 2, 2, 0, 0, 2, 
+	2, 0, 2, 0, 0, 0, 0, 14, 
+	0, 2, 0, 0, 2, 0, 0, 2, 
+	0, 0, 2, 0, 2, 2, 2, 2, 
+	2, 2, 2, 2, 2, 15, 2, 0, 
+	0, 2, 0, 2, 2, 0, 2, 2, 
+	2, 0, 0, 2, 2, 0, 2, 2, 
+	2, 0, 0, 2, 2, 0, 2, 2, 
+	2, 0, 0, 2, 2, 0, 2, 2, 
+	2, 0, 0, 2, 2, 0, 2, 0, 
+	0, 0, 0, 16, 0, 2, 0, 0, 
+	2, 0, 0, 2, 0, 0, 2, 0, 
+	2, 2, 2, 2, 2, 2, 2, 2, 
+	2, 17, 6, 0, 6, 6, 6, 0, 
+	0, 6, 6, 0, 6, 6, 6, 0, 
+	0, 6, 6, 0, 6, 6, 6, 0, 
+	0, 6, 6, 0, 6, 6, 6, 0, 
+	0, 6, 6, 0, 6, 0, 0, 0, 
+	0, 18, 0, 2, 0, 0, 2, 0, 
+	0, 2, 0, 0, 2, 0, 2, 2, 
+	2, 2, 2, 2, 2, 2, 2, 19, 
+	20, 2, 0, 0, 0, 0, 2, 2, 
+	2, 2, 2, 0, 0, 2, 2, 0, 
+	2, 2, 2, 0, 0, 2, 2, 0, 
+	2, 2, 2, 0, 0, 2, 2, 0, 
+	2, 2, 2, 0, 0, 2, 2, 0, 
+	2, 0, 0, 0, 0, 21, 0, 2, 
+	0, 0, 2, 0, 0, 2, 0, 0, 
+	2, 0, 2, 2, 2, 2, 2, 2, 
+	2, 2, 2, 0, 0, 22, 2, 0, 
+	0, 0, 0, 0, 0, 2, 0, 0, 
+	2, 0, 0, 2, 0, 0, 2, 0, 
+	0, 23, 2, 0, 0, 0, 0, 0, 
+	24
+};
+
+static const char _indic_syllable_machine_to_state_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 9, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const char _indic_syllable_machine_from_state_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 10, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const short _indic_syllable_machine_eof_trans[] = {
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 73, 73, 
+	77, 77, 73, 73, 73, 73, 73, 73, 
+	73, 73, 73, 73, 73, 73, 73, 73, 
+	73, 73, 73, 73, 73, 73, 73, 73, 
+	73, 73, 73, 73, 73, 73, 73, 73, 
+	109, 109, 109, 109, 109, 109, 109, 109, 
+	109, 109, 109, 109, 109, 109, 109, 109, 
+	109, 109, 109, 109, 109, 109, 109, 109, 
+	109, 109, 109, 109, 109, 109, 109, 109, 
+	109, 109, 109, 73, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 170, 0, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 254, 254, 254, 254, 254, 254, 
+	254, 254, 254, 254, 254, 254, 254, 254, 
+	254, 254, 254, 254, 254, 254, 254, 254, 
+	254, 254, 254, 254, 254, 254, 254, 254, 
+	254, 254, 254, 254, 254, 254, 254, 254, 
+	254, 254, 254, 254, 254, 254, 254, 254, 
+	254, 254, 254, 254, 254, 254, 254, 254, 
+	254, 254, 254, 254, 254, 254, 254, 254, 
+	254, 254, 254, 254, 254, 322, 322, 322, 
+	322, 322, 322, 322, 322, 322, 322, 322, 
+	322, 322, 322, 322, 322, 322, 322, 322, 
+	322, 322, 322, 322, 322, 322, 322, 322, 
+	322, 322, 322, 322, 322, 322, 322, 322, 
+	322, 322, 322, 322, 322, 322, 322, 322, 
+	322, 322, 322, 322, 322, 322, 322, 322, 
+	322, 322, 322, 322, 322, 322, 322, 322, 
+	322, 322, 322, 322, 322, 384, 322, 384, 
+	385, 385, 385, 385, 385, 385, 385, 385, 
+	385, 385, 385, 385, 385, 385, 385, 385, 
+	385, 385, 385, 385, 385, 385, 385, 385, 
+	385, 385, 385, 385, 385, 385, 385, 385, 
+	385, 385, 385, 385, 385, 385, 385, 385, 
+	385, 385, 385, 385, 385, 385, 385, 385, 
+	385, 385, 385, 385, 385, 385, 385, 385, 
+	385, 385, 385, 385, 385, 385, 385, 385, 
+	385, 385, 322, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	186, 186, 186, 186, 186, 186, 186, 186, 
+	474, 474, 474, 474, 474, 474, 474, 384
+};
+
+static const int indic_syllable_machine_start = 166;
+static const int indic_syllable_machine_first_final = 166;
+static const int indic_syllable_machine_error = -1;
+
+static const int indic_syllable_machine_en_main = 166;
+
+
+#line 36 "hb-ot-shape-complex-indic-machine.rl"
+
+
+
+#line 92 "hb-ot-shape-complex-indic-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", last, p+1, #syllable_type); \
+    for (unsigned int i = last; i < p+1; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    last = p+1; \
+    syllable_serial++; \
+    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
+  } HB_STMT_END
+
+static void
+find_syllables (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  
+#line 1137 "hb-ot-shape-complex-indic-machine.hh"
+	{
+	cs = indic_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 113 "hb-ot-shape-complex-indic-machine.rl"
+
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int last = 0;
+  unsigned int syllable_serial = 1;
+  
+#line 1154 "hb-ot-shape-complex-indic-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const short *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _indic_syllable_machine_from_state_actions[cs] ) {
+	case 10:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 1168 "hb-ot-shape-complex-indic-machine.hh"
+	}
+
+	_keys = _indic_syllable_machine_trans_keys + (cs<<1);
+	_inds = _indic_syllable_machine_indicies + _indic_syllable_machine_index_offsets[cs];
+
+	_slen = _indic_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].indic_category()) &&
+		( info[p].indic_category()) <= _keys[1] ?
+		( info[p].indic_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _indic_syllable_machine_trans_targs[_trans];
+
+	if ( _indic_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _indic_syllable_machine_trans_actions[_trans] ) {
+	case 2:
+#line 1 "NONE"
+	{te = p+1;}
+	break;
+	case 14:
+#line 83 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p+1;{ found_syllable (consonant_syllable); }}
+	break;
+	case 16:
+#line 84 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p+1;{ found_syllable (vowel_syllable); }}
+	break;
+	case 21:
+#line 85 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p+1;{ found_syllable (standalone_cluster); }}
+	break;
+	case 24:
+#line 86 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p+1;{ found_syllable (symbol_cluster); }}
+	break;
+	case 18:
+#line 87 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p+1;{ found_syllable (broken_cluster); }}
+	break;
+	case 11:
+#line 88 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p+1;{ found_syllable (non_indic_cluster); }}
+	break;
+	case 13:
+#line 83 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p;p--;{ found_syllable (consonant_syllable); }}
+	break;
+	case 15:
+#line 84 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p;p--;{ found_syllable (vowel_syllable); }}
+	break;
+	case 20:
+#line 85 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p;p--;{ found_syllable (standalone_cluster); }}
+	break;
+	case 23:
+#line 86 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p;p--;{ found_syllable (symbol_cluster); }}
+	break;
+	case 17:
+#line 87 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p;p--;{ found_syllable (broken_cluster); }}
+	break;
+	case 19:
+#line 88 "hb-ot-shape-complex-indic-machine.rl"
+	{te = p;p--;{ found_syllable (non_indic_cluster); }}
+	break;
+	case 1:
+#line 83 "hb-ot-shape-complex-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (consonant_syllable); }}
+	break;
+	case 3:
+#line 84 "hb-ot-shape-complex-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (vowel_syllable); }}
+	break;
+	case 7:
+#line 85 "hb-ot-shape-complex-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (standalone_cluster); }}
+	break;
+	case 8:
+#line 86 "hb-ot-shape-complex-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (symbol_cluster); }}
+	break;
+	case 4:
+#line 87 "hb-ot-shape-complex-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (broken_cluster); }}
+	break;
+	case 5:
+#line 1 "NONE"
+	{	switch( act ) {
+	case 1:
+	{{p = ((te))-1;} found_syllable (consonant_syllable); }
+	break;
+	case 5:
+	{{p = ((te))-1;} found_syllable (broken_cluster); }
+	break;
+	case 6:
+	{{p = ((te))-1;} found_syllable (non_indic_cluster); }
+	break;
+	}
+	}
+	break;
+	case 22:
+#line 1 "NONE"
+	{te = p+1;}
+#line 83 "hb-ot-shape-complex-indic-machine.rl"
+	{act = 1;}
+	break;
+	case 6:
+#line 1 "NONE"
+	{te = p+1;}
+#line 87 "hb-ot-shape-complex-indic-machine.rl"
+	{act = 5;}
+	break;
+	case 12:
+#line 1 "NONE"
+	{te = p+1;}
+#line 88 "hb-ot-shape-complex-indic-machine.rl"
+	{act = 6;}
+	break;
+#line 1291 "hb-ot-shape-complex-indic-machine.hh"
+	}
+
+_again:
+	switch ( _indic_syllable_machine_to_state_actions[cs] ) {
+	case 9:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 1300 "hb-ot-shape-complex-indic-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _indic_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _indic_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 122 "hb-ot-shape-complex-indic-machine.rl"
+
+}
+
+#endif /* HB_OT_SHAPE_COMPLEX_INDIC_MACHINE_HH */
diff --git a/src/hb-ot-shape-complex-khmer-machine.hh b/src/hb-ot-shape-complex-khmer-machine.hh
new file mode 100644
index 000000000..380705a50
--- /dev/null
+++ b/src/hb-ot-shape-complex-khmer-machine.hh
@@ -0,0 +1,294 @@
+
+#line 1 "hb-ot-shape-complex-khmer-machine.rl"
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
+#define HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
+
+#include "hb-private.hh"
+
+
+#line 36 "hb-ot-shape-complex-khmer-machine.hh"
+static const unsigned char _khmer_syllable_machine_trans_keys[] = {
+	7u, 7u, 1u, 16u, 13u, 13u, 1u, 16u, 7u, 13u, 7u, 7u, 1u, 16u, 13u, 13u, 
+	1u, 16u, 7u, 13u, 1u, 16u, 3u, 14u, 3u, 14u, 5u, 14u, 3u, 14u, 5u, 14u, 
+	8u, 8u, 3u, 13u, 3u, 8u, 8u, 8u, 3u, 8u, 3u, 14u, 3u, 14u, 5u, 14u, 
+	3u, 14u, 5u, 14u, 8u, 8u, 3u, 13u, 3u, 8u, 8u, 8u, 3u, 8u, 3u, 14u, 
+	3u, 14u, 7u, 13u, 7u, 7u, 1u, 16u, 0
+};
+
+static const char _khmer_syllable_machine_key_spans[] = {
+	1, 16, 1, 16, 7, 1, 16, 1, 
+	16, 7, 16, 12, 12, 10, 12, 10, 
+	1, 11, 6, 1, 6, 12, 12, 10, 
+	12, 10, 1, 11, 6, 1, 6, 12, 
+	12, 7, 1, 16
+};
+
+static const short _khmer_syllable_machine_index_offsets[] = {
+	0, 2, 19, 21, 38, 46, 48, 65, 
+	67, 84, 92, 109, 122, 135, 146, 159, 
+	170, 172, 184, 191, 193, 200, 213, 226, 
+	237, 250, 261, 263, 275, 282, 284, 291, 
+	304, 317, 325, 327
+};
+
+static const char _khmer_syllable_machine_indicies[] = {
+	1, 0, 2, 2, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 2, 0, 3, 0, 4, 4, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 4, 0, 1, 0, 
+	0, 0, 0, 0, 5, 0, 7, 6, 
+	8, 8, 6, 6, 6, 6, 6, 6, 
+	6, 6, 6, 6, 6, 6, 6, 8, 
+	6, 9, 6, 10, 10, 6, 6, 6, 
+	6, 6, 6, 6, 6, 6, 6, 6, 
+	6, 6, 10, 6, 7, 6, 6, 6, 
+	6, 6, 11, 6, 4, 4, 13, 12, 
+	14, 15, 7, 16, 12, 12, 4, 4, 
+	11, 17, 12, 4, 12, 19, 18, 20, 
+	21, 1, 22, 18, 18, 18, 18, 5, 
+	23, 18, 24, 18, 21, 21, 1, 22, 
+	18, 18, 18, 18, 18, 23, 18, 21, 
+	21, 1, 22, 18, 18, 18, 18, 18, 
+	23, 18, 25, 18, 21, 21, 1, 22, 
+	18, 18, 18, 18, 18, 26, 18, 21, 
+	21, 1, 22, 18, 18, 18, 18, 18, 
+	26, 18, 27, 18, 28, 18, 29, 18, 
+	18, 22, 18, 18, 18, 18, 3, 18, 
+	30, 18, 18, 18, 18, 22, 18, 22, 
+	18, 28, 18, 18, 18, 18, 22, 18, 
+	19, 18, 21, 21, 1, 22, 18, 18, 
+	18, 18, 18, 23, 18, 32, 31, 33, 
+	33, 7, 16, 31, 31, 31, 31, 31, 
+	34, 31, 33, 33, 7, 16, 31, 31, 
+	31, 31, 31, 34, 31, 35, 31, 33, 
+	33, 7, 16, 31, 31, 31, 31, 31, 
+	36, 31, 33, 33, 7, 16, 31, 31, 
+	31, 31, 31, 36, 31, 37, 31, 38, 
+	31, 39, 31, 31, 16, 31, 31, 31, 
+	31, 9, 31, 40, 31, 31, 31, 31, 
+	16, 31, 16, 31, 38, 31, 31, 31, 
+	31, 16, 31, 13, 31, 41, 33, 7, 
+	16, 31, 31, 31, 31, 11, 34, 31, 
+	13, 31, 33, 33, 7, 16, 31, 31, 
+	31, 31, 31, 34, 31, 7, 42, 42, 
+	42, 42, 42, 11, 42, 7, 42, 10, 
+	10, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 42, 10, 42, 
+	0
+};
+
+static const char _khmer_syllable_machine_trans_targs[] = {
+	10, 14, 17, 20, 11, 21, 10, 24, 
+	27, 30, 31, 32, 10, 22, 33, 34, 
+	26, 35, 10, 12, 4, 0, 16, 3, 
+	13, 15, 1, 10, 18, 2, 19, 10, 
+	23, 5, 8, 25, 6, 10, 28, 7, 
+	29, 9, 10
+};
+
+static const char _khmer_syllable_machine_trans_actions[] = {
+	1, 2, 2, 0, 2, 2, 3, 2, 
+	2, 0, 2, 2, 6, 2, 0, 0, 
+	0, 0, 7, 2, 0, 0, 0, 0, 
+	2, 2, 0, 8, 0, 0, 0, 9, 
+	2, 0, 0, 2, 0, 10, 0, 0, 
+	0, 0, 11
+};
+
+static const char _khmer_syllable_machine_to_state_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 4, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0
+};
+
+static const char _khmer_syllable_machine_from_state_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 5, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0
+};
+
+static const unsigned char _khmer_syllable_machine_eof_trans[] = {
+	1, 1, 1, 1, 1, 7, 7, 7, 
+	7, 7, 0, 19, 19, 19, 19, 19, 
+	19, 19, 19, 19, 19, 19, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 43, 43, 43
+};
+
+static const int khmer_syllable_machine_start = 10;
+static const int khmer_syllable_machine_first_final = 10;
+static const int khmer_syllable_machine_error = -1;
+
+static const int khmer_syllable_machine_en_main = 10;
+
+
+#line 36 "hb-ot-shape-complex-khmer-machine.rl"
+
+
+
+#line 74 "hb-ot-shape-complex-khmer-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", last, p+1, #syllable_type); \
+    for (unsigned int i = last; i < p+1; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    last = p+1; \
+    syllable_serial++; \
+    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
+  } HB_STMT_END
+
+static void
+find_syllables (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  
+#line 181 "hb-ot-shape-complex-khmer-machine.hh"
+	{
+	cs = khmer_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 95 "hb-ot-shape-complex-khmer-machine.rl"
+
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int last = 0;
+  unsigned int syllable_serial = 1;
+  
+#line 198 "hb-ot-shape-complex-khmer-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _khmer_syllable_machine_from_state_actions[cs] ) {
+	case 5:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 212 "hb-ot-shape-complex-khmer-machine.hh"
+	}
+
+	_keys = _khmer_syllable_machine_trans_keys + (cs<<1);
+	_inds = _khmer_syllable_machine_indicies + _khmer_syllable_machine_index_offsets[cs];
+
+	_slen = _khmer_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].khmer_category()) &&
+		( info[p].khmer_category()) <= _keys[1] ?
+		( info[p].khmer_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _khmer_syllable_machine_trans_targs[_trans];
+
+	if ( _khmer_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _khmer_syllable_machine_trans_actions[_trans] ) {
+	case 2:
+#line 1 "NONE"
+	{te = p+1;}
+	break;
+	case 8:
+#line 68 "hb-ot-shape-complex-khmer-machine.rl"
+	{te = p+1;{ found_syllable (consonant_syllable); }}
+	break;
+	case 10:
+#line 69 "hb-ot-shape-complex-khmer-machine.rl"
+	{te = p+1;{ found_syllable (broken_cluster); }}
+	break;
+	case 6:
+#line 70 "hb-ot-shape-complex-khmer-machine.rl"
+	{te = p+1;{ found_syllable (non_khmer_cluster); }}
+	break;
+	case 7:
+#line 68 "hb-ot-shape-complex-khmer-machine.rl"
+	{te = p;p--;{ found_syllable (consonant_syllable); }}
+	break;
+	case 9:
+#line 69 "hb-ot-shape-complex-khmer-machine.rl"
+	{te = p;p--;{ found_syllable (broken_cluster); }}
+	break;
+	case 11:
+#line 70 "hb-ot-shape-complex-khmer-machine.rl"
+	{te = p;p--;{ found_syllable (non_khmer_cluster); }}
+	break;
+	case 1:
+#line 68 "hb-ot-shape-complex-khmer-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (consonant_syllable); }}
+	break;
+	case 3:
+#line 69 "hb-ot-shape-complex-khmer-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (broken_cluster); }}
+	break;
+#line 266 "hb-ot-shape-complex-khmer-machine.hh"
+	}
+
+_again:
+	switch ( _khmer_syllable_machine_to_state_actions[cs] ) {
+	case 4:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 275 "hb-ot-shape-complex-khmer-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _khmer_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _khmer_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 104 "hb-ot-shape-complex-khmer-machine.rl"
+
+}
+
+#endif /* HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH */
diff --git a/src/hb-ot-shape-complex-myanmar-machine.hh b/src/hb-ot-shape-complex-myanmar-machine.hh
new file mode 100644
index 000000000..fb67dd42e
--- /dev/null
+++ b/src/hb-ot-shape-complex-myanmar-machine.hh
@@ -0,0 +1,413 @@
+
+#line 1 "hb-ot-shape-complex-myanmar-machine.rl"
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH
+#define HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH
+
+#include "hb-private.hh"
+
+
+#line 36 "hb-ot-shape-complex-myanmar-machine.hh"
+static const unsigned char _myanmar_syllable_machine_trans_keys[] = {
+	1u, 32u, 3u, 30u, 5u, 29u, 5u, 8u, 5u, 29u, 3u, 25u, 5u, 25u, 5u, 25u, 
+	3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 1u, 16u, 3u, 29u, 3u, 29u, 3u, 29u, 
+	3u, 29u, 3u, 29u, 3u, 30u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 5u, 29u, 
+	5u, 8u, 5u, 29u, 3u, 25u, 5u, 25u, 5u, 25u, 3u, 29u, 3u, 29u, 3u, 29u, 
+	3u, 29u, 3u, 30u, 3u, 29u, 1u, 32u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 
+	3u, 29u, 3u, 30u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 1u, 32u, 8u, 8u, 
+	0
+};
+
+static const char _myanmar_syllable_machine_key_spans[] = {
+	32, 28, 25, 4, 25, 23, 21, 21, 
+	27, 27, 27, 27, 16, 27, 27, 27, 
+	27, 27, 28, 27, 27, 27, 27, 25, 
+	4, 25, 23, 21, 21, 27, 27, 27, 
+	27, 28, 27, 32, 27, 27, 27, 27, 
+	27, 28, 27, 27, 27, 27, 32, 1
+};
+
+static const short _myanmar_syllable_machine_index_offsets[] = {
+	0, 33, 62, 88, 93, 119, 143, 165, 
+	187, 215, 243, 271, 299, 316, 344, 372, 
+	400, 428, 456, 485, 513, 541, 569, 597, 
+	623, 628, 654, 678, 700, 722, 750, 778, 
+	806, 834, 863, 891, 924, 952, 980, 1008, 
+	1036, 1064, 1093, 1121, 1149, 1177, 1205, 1238
+};
+
+static const char _myanmar_syllable_machine_indicies[] = {
+	1, 1, 2, 3, 4, 4, 0, 5, 
+	0, 6, 1, 0, 0, 0, 0, 7, 
+	0, 8, 9, 0, 10, 11, 12, 13, 
+	14, 15, 16, 17, 18, 19, 20, 1, 
+	0, 22, 23, 24, 24, 21, 25, 21, 
+	26, 21, 21, 21, 21, 21, 21, 21, 
+	27, 21, 21, 28, 29, 30, 31, 32, 
+	33, 34, 35, 36, 37, 21, 24, 24, 
+	21, 25, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 38, 21, 21, 21, 21, 
+	21, 21, 32, 21, 21, 21, 36, 21, 
+	24, 24, 21, 25, 21, 24, 24, 21, 
+	25, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 32, 21, 21, 21, 36, 21, 39, 
+	21, 24, 24, 21, 25, 21, 32, 21, 
+	21, 21, 21, 21, 21, 21, 40, 21, 
+	21, 21, 21, 21, 21, 32, 21, 24, 
+	24, 21, 25, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 40, 21, 21, 21, 
+	21, 21, 21, 32, 21, 24, 24, 21, 
+	25, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 32, 21, 22, 21, 24, 24, 21, 
+	25, 21, 26, 21, 21, 21, 21, 21, 
+	21, 21, 41, 21, 21, 41, 21, 21, 
+	21, 32, 42, 21, 21, 36, 21, 22, 
+	21, 24, 24, 21, 25, 21, 26, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 32, 21, 21, 
+	21, 36, 21, 22, 21, 24, 24, 21, 
+	25, 21, 26, 21, 21, 21, 21, 21, 
+	21, 21, 41, 21, 21, 21, 21, 21, 
+	21, 32, 42, 21, 21, 36, 21, 22, 
+	21, 24, 24, 21, 25, 21, 26, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 32, 42, 21, 
+	21, 36, 21, 1, 1, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 1, 21, 22, 21, 24, 24, 
+	21, 25, 21, 26, 21, 21, 21, 21, 
+	21, 21, 21, 27, 21, 21, 28, 29, 
+	30, 31, 32, 33, 34, 35, 36, 21, 
+	22, 21, 24, 24, 21, 25, 21, 26, 
+	21, 21, 21, 21, 21, 21, 21, 43, 
+	21, 21, 21, 21, 21, 21, 32, 33, 
+	34, 35, 36, 21, 22, 21, 24, 24, 
+	21, 25, 21, 26, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 32, 33, 34, 35, 36, 21, 
+	22, 21, 24, 24, 21, 25, 21, 26, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 32, 33, 
+	34, 21, 36, 21, 22, 21, 24, 24, 
+	21, 25, 21, 26, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 32, 21, 34, 21, 36, 21, 
+	22, 21, 24, 24, 21, 25, 21, 26, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 32, 33, 
+	34, 35, 36, 43, 21, 22, 21, 24, 
+	24, 21, 25, 21, 26, 21, 21, 21, 
+	21, 21, 21, 21, 43, 21, 21, 28, 
+	21, 30, 21, 32, 33, 34, 35, 36, 
+	21, 22, 21, 24, 24, 21, 25, 21, 
+	26, 21, 21, 21, 21, 21, 21, 21, 
+	43, 21, 21, 28, 21, 21, 21, 32, 
+	33, 34, 35, 36, 21, 22, 21, 24, 
+	24, 21, 25, 21, 26, 21, 21, 21, 
+	21, 21, 21, 21, 43, 21, 21, 28, 
+	29, 30, 21, 32, 33, 34, 35, 36, 
+	21, 22, 23, 24, 24, 21, 25, 21, 
+	26, 21, 21, 21, 21, 21, 21, 21, 
+	27, 21, 21, 28, 29, 30, 31, 32, 
+	33, 34, 35, 36, 21, 3, 3, 44, 
+	5, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 45, 44, 44, 44, 44, 44, 
+	44, 14, 44, 44, 44, 18, 44, 3, 
+	3, 44, 5, 44, 3, 3, 44, 5, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	14, 44, 44, 44, 18, 44, 46, 44, 
+	3, 3, 44, 5, 44, 14, 44, 44, 
+	44, 44, 44, 44, 44, 47, 44, 44, 
+	44, 44, 44, 44, 14, 44, 3, 3, 
+	44, 5, 44, 44, 44, 44, 44, 44, 
+	44, 44, 44, 47, 44, 44, 44, 44, 
+	44, 44, 14, 44, 3, 3, 44, 5, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	14, 44, 2, 44, 3, 3, 44, 5, 
+	44, 6, 44, 44, 44, 44, 44, 44, 
+	44, 48, 44, 44, 48, 44, 44, 44, 
+	14, 49, 44, 44, 18, 44, 2, 44, 
+	3, 3, 44, 5, 44, 6, 44, 44, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 44, 44, 14, 44, 44, 44, 
+	18, 44, 2, 44, 3, 3, 44, 5, 
+	44, 6, 44, 44, 44, 44, 44, 44, 
+	44, 48, 44, 44, 44, 44, 44, 44, 
+	14, 49, 44, 44, 18, 44, 2, 44, 
+	3, 3, 44, 5, 44, 6, 44, 44, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 44, 44, 14, 49, 44, 44, 
+	18, 44, 22, 23, 24, 24, 21, 25, 
+	21, 26, 21, 21, 21, 21, 21, 21, 
+	21, 50, 21, 21, 28, 29, 30, 31, 
+	32, 33, 34, 35, 36, 37, 21, 22, 
+	51, 24, 24, 21, 25, 21, 26, 21, 
+	21, 21, 21, 21, 21, 21, 27, 21, 
+	21, 28, 29, 30, 31, 32, 33, 34, 
+	35, 36, 21, 1, 1, 2, 3, 3, 
+	3, 44, 5, 44, 6, 1, 44, 44, 
+	44, 44, 1, 44, 8, 44, 44, 10, 
+	11, 12, 13, 14, 15, 16, 17, 18, 
+	19, 44, 1, 44, 2, 44, 3, 3, 
+	44, 5, 44, 6, 44, 44, 44, 44, 
+	44, 44, 44, 8, 44, 44, 10, 11, 
+	12, 13, 14, 15, 16, 17, 18, 44, 
+	2, 44, 3, 3, 44, 5, 44, 6, 
+	44, 44, 44, 44, 44, 44, 44, 52, 
+	44, 44, 44, 44, 44, 44, 14, 15, 
+	16, 17, 18, 44, 2, 44, 3, 3, 
+	44, 5, 44, 6, 44, 44, 44, 44, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 14, 15, 16, 17, 18, 44, 
+	2, 44, 3, 3, 44, 5, 44, 6, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 44, 44, 44, 44, 14, 15, 
+	16, 44, 18, 44, 2, 44, 3, 3, 
+	44, 5, 44, 6, 44, 44, 44, 44, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 14, 44, 16, 44, 18, 44, 
+	2, 44, 3, 3, 44, 5, 44, 6, 
+	44, 44, 44, 44, 44, 44, 44, 44, 
+	44, 44, 44, 44, 44, 44, 14, 15, 
+	16, 17, 18, 52, 44, 2, 44, 3, 
+	3, 44, 5, 44, 6, 44, 44, 44, 
+	44, 44, 44, 44, 52, 44, 44, 10, 
+	44, 12, 44, 14, 15, 16, 17, 18, 
+	44, 2, 44, 3, 3, 44, 5, 44, 
+	6, 44, 44, 44, 44, 44, 44, 44, 
+	52, 44, 44, 10, 44, 44, 44, 14, 
+	15, 16, 17, 18, 44, 2, 44, 3, 
+	3, 44, 5, 44, 6, 44, 44, 44, 
+	44, 44, 44, 44, 52, 44, 44, 10, 
+	11, 12, 44, 14, 15, 16, 17, 18, 
+	44, 2, 3, 3, 3, 44, 5, 44, 
+	6, 44, 44, 44, 44, 44, 44, 44, 
+	8, 44, 44, 10, 11, 12, 13, 14, 
+	15, 16, 17, 18, 44, 1, 1, 53, 
+	53, 53, 53, 53, 53, 53, 53, 1, 
+	53, 53, 53, 53, 1, 53, 53, 53, 
+	53, 53, 53, 53, 53, 53, 53, 53, 
+	53, 53, 53, 53, 1, 53, 54, 53, 
+	0
+};
+
+static const char _myanmar_syllable_machine_trans_targs[] = {
+	0, 1, 23, 0, 0, 24, 30, 33, 
+	36, 46, 37, 42, 43, 44, 26, 39, 
+	40, 41, 29, 45, 47, 0, 2, 12, 
+	0, 3, 9, 13, 14, 19, 20, 21, 
+	5, 16, 17, 18, 8, 22, 4, 6, 
+	7, 10, 11, 15, 0, 25, 27, 28, 
+	31, 32, 34, 35, 38, 0, 0
+};
+
+static const char _myanmar_syllable_machine_trans_actions[] = {
+	3, 0, 0, 4, 5, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 6, 0, 0, 
+	7, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 8, 0, 0, 0, 
+	0, 0, 0, 0, 0, 9, 10
+};
+
+static const char _myanmar_syllable_machine_to_state_actions[] = {
+	1, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const char _myanmar_syllable_machine_from_state_actions[] = {
+	2, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const short _myanmar_syllable_machine_eof_trans[] = {
+	0, 22, 22, 22, 22, 22, 22, 22, 
+	22, 22, 22, 22, 22, 22, 22, 22, 
+	22, 22, 22, 22, 22, 22, 22, 45, 
+	45, 45, 45, 45, 45, 45, 45, 45, 
+	45, 22, 22, 45, 45, 45, 45, 45, 
+	45, 45, 45, 45, 45, 45, 54, 54
+};
+
+static const int myanmar_syllable_machine_start = 0;
+static const int myanmar_syllable_machine_first_final = 0;
+static const int myanmar_syllable_machine_error = -1;
+
+static const int myanmar_syllable_machine_en_main = 0;
+
+
+#line 36 "hb-ot-shape-complex-myanmar-machine.rl"
+
+
+
+#line 94 "hb-ot-shape-complex-myanmar-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", last, p+1, #syllable_type); \
+    for (unsigned int i = last; i < p+1; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    last = p+1; \
+    syllable_serial++; \
+    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
+  } HB_STMT_END
+
+static void
+find_syllables (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  
+#line 302 "hb-ot-shape-complex-myanmar-machine.hh"
+	{
+	cs = myanmar_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 115 "hb-ot-shape-complex-myanmar-machine.rl"
+
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int last = 0;
+  unsigned int syllable_serial = 1;
+  
+#line 319 "hb-ot-shape-complex-myanmar-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _myanmar_syllable_machine_from_state_actions[cs] ) {
+	case 2:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 333 "hb-ot-shape-complex-myanmar-machine.hh"
+	}
+
+	_keys = _myanmar_syllable_machine_trans_keys + (cs<<1);
+	_inds = _myanmar_syllable_machine_indicies + _myanmar_syllable_machine_index_offsets[cs];
+
+	_slen = _myanmar_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].myanmar_category()) &&
+		( info[p].myanmar_category()) <= _keys[1] ?
+		( info[p].myanmar_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _myanmar_syllable_machine_trans_targs[_trans];
+
+	if ( _myanmar_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _myanmar_syllable_machine_trans_actions[_trans] ) {
+	case 7:
+#line 86 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (consonant_syllable); }}
+	break;
+	case 5:
+#line 87 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (non_myanmar_cluster); }}
+	break;
+	case 10:
+#line 88 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (punctuation_cluster); }}
+	break;
+	case 4:
+#line 89 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (broken_cluster); }}
+	break;
+	case 3:
+#line 90 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (non_myanmar_cluster); }}
+	break;
+	case 6:
+#line 86 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (consonant_syllable); }}
+	break;
+	case 8:
+#line 89 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (broken_cluster); }}
+	break;
+	case 9:
+#line 90 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (non_myanmar_cluster); }}
+	break;
+#line 383 "hb-ot-shape-complex-myanmar-machine.hh"
+	}
+
+_again:
+	switch ( _myanmar_syllable_machine_to_state_actions[cs] ) {
+	case 1:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 392 "hb-ot-shape-complex-myanmar-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _myanmar_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _myanmar_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 124 "hb-ot-shape-complex-myanmar-machine.rl"
+
+}
+
+#undef found_syllable
+
+#endif /* HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH */
diff --git a/src/hb-ot-shape-complex-use-machine.hh b/src/hb-ot-shape-complex-use-machine.hh
new file mode 100644
index 000000000..0bf3ad302
--- /dev/null
+++ b/src/hb-ot-shape-complex-use-machine.hh
@@ -0,0 +1,502 @@
+
+#line 1 "hb-ot-shape-complex-use-machine.rl"
+/*
+ * Copyright © 2015  Mozilla Foundation.
+ * Copyright © 2015  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Mozilla Author(s): Jonathan Kew
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_USE_MACHINE_HH
+#define HB_OT_SHAPE_COMPLEX_USE_MACHINE_HH
+
+#include "hb-private.hh"
+
+
+#line 38 "hb-ot-shape-complex-use-machine.hh"
+static const unsigned char _use_syllable_machine_trans_keys[] = {
+	12u, 12u, 1u, 15u, 1u, 1u, 12u, 12u, 0u, 43u, 21u, 21u, 8u, 39u, 8u, 39u, 
+	1u, 15u, 1u, 1u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 26u, 8u, 26u, 8u, 26u, 
+	8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 
+	8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 13u, 21u, 4u, 4u, 13u, 13u, 8u, 39u, 
+	8u, 39u, 8u, 39u, 8u, 39u, 8u, 26u, 8u, 26u, 8u, 26u, 8u, 39u, 8u, 39u, 
+	8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 
+	8u, 39u, 1u, 15u, 12u, 12u, 1u, 39u, 8u, 39u, 21u, 42u, 41u, 42u, 42u, 42u, 
+	1u, 5u, 0
+};
+
+static const char _use_syllable_machine_key_spans[] = {
+	1, 15, 1, 1, 44, 1, 32, 32, 
+	15, 1, 32, 32, 32, 19, 19, 19, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 32, 32, 32, 9, 1, 1, 32, 
+	32, 32, 32, 19, 19, 19, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 15, 1, 39, 32, 22, 2, 1, 
+	5
+};
+
+static const short _use_syllable_machine_index_offsets[] = {
+	0, 2, 18, 20, 22, 67, 69, 102, 
+	135, 151, 153, 186, 219, 252, 272, 292, 
+	312, 345, 378, 411, 444, 477, 510, 543, 
+	576, 609, 642, 675, 708, 718, 720, 722, 
+	755, 788, 821, 854, 874, 894, 914, 947, 
+	980, 1013, 1046, 1079, 1112, 1145, 1178, 1211, 
+	1244, 1277, 1293, 1295, 1335, 1368, 1391, 1394, 
+	1396
+};
+
+static const char _use_syllable_machine_indicies[] = {
+	1, 0, 3, 2, 2, 2, 2, 2, 
+	2, 2, 2, 2, 2, 2, 2, 2, 
+	4, 2, 3, 2, 6, 5, 7, 8, 
+	9, 7, 10, 8, 9, 9, 11, 9, 
+	9, 3, 12, 9, 9, 13, 7, 7, 
+	14, 15, 9, 9, 16, 17, 18, 19, 
+	20, 21, 22, 16, 23, 24, 25, 26, 
+	27, 28, 9, 29, 30, 31, 9, 9, 
+	9, 32, 9, 34, 33, 36, 35, 35, 
+	37, 1, 35, 35, 38, 35, 35, 35, 
+	35, 35, 39, 40, 41, 42, 43, 44, 
+	45, 46, 40, 47, 39, 48, 49, 50, 
+	51, 35, 52, 53, 54, 35, 36, 35, 
+	35, 37, 1, 35, 35, 38, 35, 35, 
+	35, 35, 35, 55, 40, 41, 42, 43, 
+	44, 45, 46, 40, 47, 48, 48, 49, 
+	50, 51, 35, 52, 53, 54, 35, 37, 
+	56, 56, 56, 56, 56, 56, 56, 56, 
+	56, 56, 56, 56, 56, 57, 56, 37, 
+	56, 36, 35, 35, 37, 1, 35, 35, 
+	38, 35, 35, 35, 35, 35, 35, 40, 
+	41, 42, 43, 44, 45, 46, 40, 47, 
+	48, 48, 49, 50, 51, 35, 52, 53, 
+	54, 35, 36, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	40, 41, 42, 43, 44, 35, 35, 35, 
+	35, 35, 35, 49, 50, 51, 35, 52, 
+	53, 54, 35, 36, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 41, 42, 43, 44, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	52, 53, 54, 35, 36, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 42, 43, 44, 35, 
+	36, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 43, 44, 35, 36, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 44, 35, 
+	36, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	42, 43, 44, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 52, 53, 54, 
+	35, 36, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 42, 43, 44, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 53, 
+	54, 35, 36, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 42, 43, 44, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 54, 35, 36, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 41, 42, 43, 44, 35, 35, 
+	35, 35, 35, 35, 49, 50, 51, 35, 
+	52, 53, 54, 35, 36, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 41, 42, 43, 44, 35, 
+	35, 35, 35, 35, 35, 35, 50, 51, 
+	35, 52, 53, 54, 35, 36, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 41, 42, 43, 44, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	51, 35, 52, 53, 54, 35, 36, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 40, 41, 42, 43, 
+	44, 35, 46, 40, 35, 35, 35, 49, 
+	50, 51, 35, 52, 53, 54, 35, 36, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 40, 41, 42, 
+	43, 44, 35, 58, 40, 35, 35, 35, 
+	49, 50, 51, 35, 52, 53, 54, 35, 
+	36, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 40, 41, 
+	42, 43, 44, 35, 35, 40, 35, 35, 
+	35, 49, 50, 51, 35, 52, 53, 54, 
+	35, 36, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 40, 
+	41, 42, 43, 44, 45, 46, 40, 35, 
+	35, 35, 49, 50, 51, 35, 52, 53, 
+	54, 35, 36, 35, 35, 37, 1, 35, 
+	35, 38, 35, 35, 35, 35, 35, 35, 
+	40, 41, 42, 43, 44, 45, 46, 40, 
+	47, 35, 48, 49, 50, 51, 35, 52, 
+	53, 54, 35, 36, 35, 35, 37, 1, 
+	35, 35, 38, 35, 35, 35, 35, 35, 
+	35, 40, 41, 42, 43, 44, 45, 46, 
+	40, 47, 39, 48, 49, 50, 51, 35, 
+	52, 53, 54, 35, 60, 59, 59, 59, 
+	59, 59, 59, 59, 61, 59, 10, 62, 
+	60, 59, 11, 63, 63, 3, 6, 63, 
+	63, 64, 63, 63, 63, 63, 63, 65, 
+	16, 17, 18, 19, 20, 21, 22, 16, 
+	23, 25, 25, 26, 27, 28, 63, 29, 
+	30, 31, 63, 11, 63, 63, 3, 6, 
+	63, 63, 64, 63, 63, 63, 63, 63, 
+	63, 16, 17, 18, 19, 20, 21, 22, 
+	16, 23, 25, 25, 26, 27, 28, 63, 
+	29, 30, 31, 63, 11, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 16, 17, 18, 19, 20, 63, 
+	63, 63, 63, 63, 63, 26, 27, 28, 
+	63, 29, 30, 31, 63, 11, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 17, 18, 19, 20, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 29, 30, 31, 63, 11, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 18, 19, 
+	20, 63, 11, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 19, 20, 63, 11, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	20, 63, 11, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 18, 19, 20, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 29, 
+	30, 31, 63, 11, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 18, 19, 20, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 30, 31, 63, 11, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 18, 19, 20, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 31, 63, 11, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 17, 18, 19, 20, 
+	63, 63, 63, 63, 63, 63, 26, 27, 
+	28, 63, 29, 30, 31, 63, 11, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 17, 18, 19, 
+	20, 63, 63, 63, 63, 63, 63, 63, 
+	27, 28, 63, 29, 30, 31, 63, 11, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 17, 18, 
+	19, 20, 63, 63, 63, 63, 63, 63, 
+	63, 63, 28, 63, 29, 30, 31, 63, 
+	11, 63, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 16, 17, 
+	18, 19, 20, 63, 22, 16, 63, 63, 
+	63, 26, 27, 28, 63, 29, 30, 31, 
+	63, 11, 63, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 16, 
+	17, 18, 19, 20, 63, 66, 16, 63, 
+	63, 63, 26, 27, 28, 63, 29, 30, 
+	31, 63, 11, 63, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	16, 17, 18, 19, 20, 63, 63, 16, 
+	63, 63, 63, 26, 27, 28, 63, 29, 
+	30, 31, 63, 11, 63, 63, 63, 63, 
+	63, 63, 63, 63, 63, 63, 63, 63, 
+	63, 16, 17, 18, 19, 20, 21, 22, 
+	16, 63, 63, 63, 26, 27, 28, 63, 
+	29, 30, 31, 63, 11, 63, 63, 3, 
+	6, 63, 63, 64, 63, 63, 63, 63, 
+	63, 63, 16, 17, 18, 19, 20, 21, 
+	22, 16, 23, 63, 25, 26, 27, 28, 
+	63, 29, 30, 31, 63, 3, 67, 67, 
+	67, 67, 67, 67, 67, 67, 67, 67, 
+	67, 67, 67, 4, 67, 6, 67, 8, 
+	63, 63, 63, 8, 63, 63, 11, 63, 
+	63, 3, 6, 63, 63, 64, 63, 63, 
+	63, 63, 63, 63, 16, 17, 18, 19, 
+	20, 21, 22, 16, 23, 24, 25, 26, 
+	27, 28, 63, 29, 30, 31, 63, 11, 
+	63, 63, 3, 6, 63, 63, 64, 63, 
+	63, 63, 63, 63, 63, 16, 17, 18, 
+	19, 20, 21, 22, 16, 23, 24, 25, 
+	26, 27, 28, 63, 29, 30, 31, 63, 
+	69, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 69, 70, 68, 69, 
+	70, 68, 70, 68, 8, 67, 67, 67, 
+	8, 67, 0
+};
+
+static const char _use_syllable_machine_trans_targs[] = {
+	4, 8, 4, 31, 2, 4, 1, 5, 
+	6, 4, 28, 4, 49, 50, 51, 53, 
+	33, 34, 35, 36, 37, 44, 45, 47, 
+	52, 48, 41, 42, 43, 38, 39, 40, 
+	56, 4, 4, 4, 4, 7, 0, 27, 
+	11, 12, 13, 14, 15, 22, 23, 25, 
+	26, 19, 20, 21, 16, 17, 18, 10, 
+	4, 9, 24, 4, 29, 30, 4, 4, 
+	3, 32, 46, 4, 4, 54, 55
+};
+
+static const char _use_syllable_machine_trans_actions[] = {
+	1, 0, 2, 3, 0, 4, 0, 0, 
+	7, 8, 0, 9, 10, 10, 3, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	3, 3, 0, 0, 0, 0, 0, 0, 
+	0, 11, 12, 13, 14, 7, 0, 7, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	7, 0, 0, 0, 0, 0, 0, 7, 
+	15, 0, 0, 16, 0, 0, 17, 18, 
+	0, 3, 0, 19, 20, 0, 0
+};
+
+static const char _use_syllable_machine_to_state_actions[] = {
+	0, 0, 0, 0, 5, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0
+};
+
+static const char _use_syllable_machine_from_state_actions[] = {
+	0, 0, 0, 0, 6, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0
+};
+
+static const short _use_syllable_machine_eof_trans[] = {
+	1, 3, 3, 6, 0, 34, 36, 36, 
+	57, 57, 36, 36, 36, 36, 36, 36, 
+	36, 36, 36, 36, 36, 36, 36, 36, 
+	36, 36, 36, 36, 60, 63, 60, 64, 
+	64, 64, 64, 64, 64, 64, 64, 64, 
+	64, 64, 64, 64, 64, 64, 64, 64, 
+	64, 68, 68, 64, 64, 69, 69, 69, 
+	68
+};
+
+static const int use_syllable_machine_start = 4;
+static const int use_syllable_machine_first_final = 4;
+static const int use_syllable_machine_error = -1;
+
+static const int use_syllable_machine_en_main = 4;
+
+
+#line 38 "hb-ot-shape-complex-use-machine.rl"
+
+
+
+#line 141 "hb-ot-shape-complex-use-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", last, p+1, #syllable_type); \
+    for (unsigned int i = last; i < p+1; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    last = p+1; \
+    syllable_serial++; \
+    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
+  } HB_STMT_END
+
+static void
+find_syllables (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  
+#line 339 "hb-ot-shape-complex-use-machine.hh"
+	{
+	cs = use_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 162 "hb-ot-shape-complex-use-machine.rl"
+
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int last = 0;
+  unsigned int syllable_serial = 1;
+  
+#line 356 "hb-ot-shape-complex-use-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _use_syllable_machine_from_state_actions[cs] ) {
+	case 6:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 370 "hb-ot-shape-complex-use-machine.hh"
+	}
+
+	_keys = _use_syllable_machine_trans_keys + (cs<<1);
+	_inds = _use_syllable_machine_indicies + _use_syllable_machine_index_offsets[cs];
+
+	_slen = _use_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].use_category()) &&
+		( info[p].use_category()) <= _keys[1] ?
+		( info[p].use_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _use_syllable_machine_trans_targs[_trans];
+
+	if ( _use_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _use_syllable_machine_trans_actions[_trans] ) {
+	case 7:
+#line 1 "NONE"
+	{te = p+1;}
+	break;
+	case 12:
+#line 130 "hb-ot-shape-complex-use-machine.rl"
+	{te = p+1;{ found_syllable (independent_cluster); }}
+	break;
+	case 14:
+#line 132 "hb-ot-shape-complex-use-machine.rl"
+	{te = p+1;{ found_syllable (standard_cluster); }}
+	break;
+	case 9:
+#line 136 "hb-ot-shape-complex-use-machine.rl"
+	{te = p+1;{ found_syllable (broken_cluster); }}
+	break;
+	case 8:
+#line 137 "hb-ot-shape-complex-use-machine.rl"
+	{te = p+1;{ found_syllable (non_cluster); }}
+	break;
+	case 11:
+#line 130 "hb-ot-shape-complex-use-machine.rl"
+	{te = p;p--;{ found_syllable (independent_cluster); }}
+	break;
+	case 15:
+#line 131 "hb-ot-shape-complex-use-machine.rl"
+	{te = p;p--;{ found_syllable (virama_terminated_cluster); }}
+	break;
+	case 13:
+#line 132 "hb-ot-shape-complex-use-machine.rl"
+	{te = p;p--;{ found_syllable (standard_cluster); }}
+	break;
+	case 17:
+#line 133 "hb-ot-shape-complex-use-machine.rl"
+	{te = p;p--;{ found_syllable (number_joiner_terminated_cluster); }}
+	break;
+	case 16:
+#line 134 "hb-ot-shape-complex-use-machine.rl"
+	{te = p;p--;{ found_syllable (numeral_cluster); }}
+	break;
+	case 20:
+#line 135 "hb-ot-shape-complex-use-machine.rl"
+	{te = p;p--;{ found_syllable (symbol_cluster); }}
+	break;
+	case 18:
+#line 136 "hb-ot-shape-complex-use-machine.rl"
+	{te = p;p--;{ found_syllable (broken_cluster); }}
+	break;
+	case 19:
+#line 137 "hb-ot-shape-complex-use-machine.rl"
+	{te = p;p--;{ found_syllable (non_cluster); }}
+	break;
+	case 1:
+#line 132 "hb-ot-shape-complex-use-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (standard_cluster); }}
+	break;
+	case 4:
+#line 136 "hb-ot-shape-complex-use-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (broken_cluster); }}
+	break;
+	case 2:
+#line 1 "NONE"
+	{	switch( act ) {
+	case 7:
+	{{p = ((te))-1;} found_syllable (broken_cluster); }
+	break;
+	case 8:
+	{{p = ((te))-1;} found_syllable (non_cluster); }
+	break;
+	}
+	}
+	break;
+	case 3:
+#line 1 "NONE"
+	{te = p+1;}
+#line 136 "hb-ot-shape-complex-use-machine.rl"
+	{act = 7;}
+	break;
+	case 10:
+#line 1 "NONE"
+	{te = p+1;}
+#line 137 "hb-ot-shape-complex-use-machine.rl"
+	{act = 8;}
+	break;
+#line 472 "hb-ot-shape-complex-use-machine.hh"
+	}
+
+_again:
+	switch ( _use_syllable_machine_to_state_actions[cs] ) {
+	case 5:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 481 "hb-ot-shape-complex-use-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _use_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _use_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 171 "hb-ot-shape-complex-use-machine.rl"
+
+}
+
+#undef found_syllable
+
+#endif /* HB_OT_SHAPE_COMPLEX_USE_MACHINE_HH */

From 6ae4013f2e53d6496507a58b715298fee4eadcee Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 20 Feb 2018 15:02:25 -0800
Subject: [PATCH 1241/1326] [aat] Cosmetic touch-ups to trak table

---
 src/hb-aat-layout-trak-table.hh | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

diff --git a/src/hb-aat-layout-trak-table.hh b/src/hb-aat-layout-trak-table.hh
index 602746e02..6dbd05ab5 100644
--- a/src/hb-aat-layout-trak-table.hh
+++ b/src/hb-aat-layout-trak-table.hh
@@ -46,12 +46,14 @@ struct TrackTableEntry
   }
 
   protected:
-  Fixed	track;	/* Track value for this record. */
-  HBUINT16	nameIndex;	/* The 'name' table index for this track */
-  HBUINT16  offset;	/* Offset from start of tracking table to per-size tracking values for this track. */
+  Fixed			track;		/* Track value for this record. */
+  HBUINT16		trackNameID;	/* The 'name' table index for this track */
+  OffsetTo<UnsizedArrayOf<Fixed> >
+			values;		/* Offset from start of tracking table to
+					 * per-size tracking values for this track. */
 
   public:
-  DEFINE_SIZE_MIN (8);
+  DEFINE_SIZE_STATIC (8);
 };
 
 struct TrackData
@@ -63,13 +65,14 @@ struct TrackData
   }
 
   protected:
-  HBUINT16	nTracks;	/* Number of separate tracks included in this table. */
-  HBUINT16	nSizes;	/* Number of point sizes included in this table. */
-  OffsetTo<UnsizedArrayOf<Fixed>, HBUINT32> sizeTable;
-  TrackTableEntry	trackTable[VAR];	/* Array[nSizes] of size values. */
+  HBUINT16		nTracks;	/* Number of separate tracks included in this table. */
+  HBUINT16		nSizes;		/* Number of point sizes included in this table. */
+  LOffsetTo<UnsizedArrayOf<Fixed> >
+			sizeTable;
+  TrackTableEntry	trackTable[VAR];/* Array[nSizes] of size values. */
 
   public:
-  DEFINE_SIZE_MIN (8);
+  DEFINE_SIZE_ARRAY (8, trackTable);
 };
 
 struct trak
@@ -83,12 +86,12 @@ struct trak
   }
 
   protected:
-  FixedVersion<>version;		/* Version of the tracking table--currently
+  FixedVersion<>	version;	/* Version of the tracking table--currently
 					 * 0x00010000u for version 1.0. */
-  HBUINT16	format; /* Format of the tracking table */
-  OffsetTo<TrackData, HBUINT16>	horizOffset;	/* TrackData for horizontal text */
-  OffsetTo<TrackData, HBUINT16>	vertOffset;	/* TrackData for vertical text */
-  HBUINT16	reserved;	/* Reserved. Set to 0. */
+  HBUINT16		format; 	/* Format of the tracking table */
+  OffsetTo<TrackData>	horizOffset;	/* TrackData for horizontal text */
+  OffsetTo<TrackData>	vertOffset;	/* TrackData for vertical text */
+  HBUINT16		reserved;	/* Reserved. Set to 0. */
 
   public:
   DEFINE_SIZE_MIN (12);

From 0ab73e594275cf064e09b9df2e1df337a589745d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 20 Feb 2018 15:33:03 -0800
Subject: [PATCH 1242/1326] [subset] Sanity check that loca writes are
 inbounds.

---
 src/hb-subset-glyf.cc | 55 ++++++++++++++++++++++++++++++++-----------
 1 file changed, 41 insertions(+), 14 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 7dfe0ba45..c337e65bb 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -62,15 +62,34 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
   return true;
 }
 
-static void
-_write_loca_entry (unsigned int id, unsigned int offset, bool is_short, void *loca_prime) {
-  if (is_short) {
-    ((OT::HBUINT16*) loca_prime) [id].set (offset / 2);
-  } else {
-    ((OT::HBUINT32*) loca_prime) [id].set (offset);
+static bool
+_write_loca_entry (unsigned int  id,
+                   unsigned int  offset,
+                   bool          is_short,
+                   void         *loca_prime,
+                   unsigned int  loca_size)
+{
+  unsigned int entry_size = is_short ? sizeof (OT::HBUINT16) : sizeof (OT::HBUINT32);
+  if ((id + 1) * entry_size <= loca_size)
+  {
+    if (is_short) {
+      ((OT::HBUINT16*) loca_prime) [id].set (offset / 2);
+    } else {
+      ((OT::HBUINT32*) loca_prime) [id].set (offset);
+    }
+    return true;
   }
+
+  // Offset was not written because the write is out of bounds.
+  DEBUG_MSG (SUBSET,
+             nullptr,
+             "WARNING: Attempted to write an out of bounds loca entry at index %d. Loca size is %d.",
+             id,
+             loca_size);
+  return false;
 }
 
+
 static void
 _update_components (hb_subset_plan_t * plan,
 		    char * glyph_start,
@@ -100,14 +119,16 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
 			    const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
                             bool                           use_short_loca,
-                            int                            glyf_prime_size,
+                            unsigned int                   glyf_prime_size,
                             char                          *glyf_prime_data /* OUT */,
-                            int                            loca_prime_size,
+                            unsigned int                   loca_prime_size,
                             char                          *loca_prime_data /* OUT */)
 {
+  // TODO(grieger): Sanity check writes to make sure they are in-bounds.
   hb_prealloced_array_t<hb_codepoint_t> &glyph_ids = plan->gids_to_retain_sorted;
   char *glyf_prime_data_next = glyf_prime_data;
 
+  bool success = true;
   for (unsigned int i = 0; i < glyph_ids.len; i++)
   {
     unsigned int start_offset, end_offset;
@@ -117,15 +138,22 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
     int length = end_offset - start_offset;
     memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
 
-    _write_loca_entry (i, glyf_prime_data_next - glyf_prime_data, use_short_loca, loca_prime_data);
+    success = success && _write_loca_entry (i,
+                                            glyf_prime_data_next - glyf_prime_data,
+                                            use_short_loca,
+                                            loca_prime_data,
+                                            loca_prime_size);
     _update_components (plan, glyf_prime_data_next, end_offset - start_offset);
 
     glyf_prime_data_next += length;
   }
 
-  _write_loca_entry (glyph_ids.len, glyf_prime_data_next - glyf_prime_data, use_short_loca, loca_prime_data);
-
-  return true;
+  success = success && _write_loca_entry (glyph_ids.len,
+                                          glyf_prime_data_next - glyf_prime_data,
+                                          use_short_loca,
+                                          loca_prime_data,
+                                          loca_prime_size);
+  return success;
 }
 
 static bool
@@ -136,9 +164,7 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           hb_blob_t                     **glyf_prime /* OUT */,
                           hb_blob_t                     **loca_prime /* OUT */)
 {
-  // TODO(grieger): Sanity check writes to make sure they are in-bounds.
   // TODO(grieger): Sanity check allocation size for the new table.
-  // TODO(grieger): Don't fail on bad offsets, just dump them.
   hb_prealloced_array_t<hb_codepoint_t> &glyphs_to_retain = plan->gids_to_retain_sorted;
 
   unsigned int glyf_prime_size;
@@ -159,6 +185,7 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                                              glyf_prime_size, glyf_prime_data,
                                              loca_prime_size, loca_prime_data))) {
     free (glyf_prime_data);
+    free (loca_prime_data);
     return false;
   }
 

From a998eeee4ad7bba4a1574c9735618891b6bd0948 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 20 Feb 2018 16:48:52 -0800
Subject: [PATCH 1243/1326] [subset] sanity check glyph data writes during
 glyph subsetting to ensure they are inbounds.

---
 src/hb-subset-glyf.cc | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index c337e65bb..d57b41159 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -89,7 +89,6 @@ _write_loca_entry (unsigned int  id,
   return false;
 }
 
-
 static void
 _update_components (hb_subset_plan_t * plan,
 		    char * glyph_start,
@@ -124,7 +123,6 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
                             unsigned int                   loca_prime_size,
                             char                          *loca_prime_data /* OUT */)
 {
-  // TODO(grieger): Sanity check writes to make sure they are in-bounds.
   hb_prealloced_array_t<hb_codepoint_t> &glyph_ids = plan->gids_to_retain_sorted;
   char *glyf_prime_data_next = glyf_prime_data;
 
@@ -136,6 +134,15 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
       end_offset = start_offset = 0;
 
     int length = end_offset - start_offset;
+
+    if (glyf_prime_data_next + length > glyf_prime_data + glyf_prime_size)
+    {
+      DEBUG_MSG (SUBSET,
+                 nullptr,
+                 "WARNING: Attempted to write an out of bounds glyph entry for gid %d",
+                 i);
+      return false;
+    }
     memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
 
     success = success && _write_loca_entry (i,

From 8e614ade5aef102baed56f91c2fcb1f3d1788ea9 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 20 Feb 2018 17:36:54 -0800
Subject: [PATCH 1244/1326] [subset] Reverse table order for font serialization
 to match what OTS expects.

---
 src/hb-open-file-private.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index f01ab8718..88ce65a40 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -54,7 +54,7 @@ struct TTCHeader;
 typedef struct TableRecord
 {
   int cmp (Tag t) const
-  { return t.cmp (tag); }
+  { return -t.cmp (tag); }
 
   static int cmp (const void *pa, const void *pb)
   {

From 2cc845f311b6dc4f0feda8b8fc5609fbd51b5923 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 20 Feb 2018 18:13:41 -0800
Subject: [PATCH 1245/1326] [subset] fix calculation of range shiftz. Should be
 16 * len - searchRange not 16 * (len - searchRange).

---
 src/hb-open-type-private.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 080dcca1b..54eda4c52 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -1113,7 +1113,9 @@ struct BinSearchHeader
     assert (len == v);
     entrySelectorZ.set (MAX (1u, _hb_bit_storage (v)) - 1);
     searchRangeZ.set (16 * (1u << entrySelectorZ));
-    rangeShiftZ.set (16 * MAX (0, (int) v - searchRangeZ));
+    rangeShiftZ.set (v * 16 > searchRangeZ
+                     ? 16 * v - searchRangeZ
+                     : 0);
   }
 
   protected:

From eada749e4642ea90300c9c68c226fa76a3e35a75 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 21 Feb 2018 00:35:23 -0800
Subject: [PATCH 1246/1326] Use HB_SET_VALUE_INVALID consistently

---
 src/hb-ot-layout-common-private.hh | 6 +++---
 src/hb-ot-shape.cc                 | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index cb66c81ad..c5e7f5217 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -1057,7 +1057,7 @@ struct ClassDefFormat1
     if (klass == 0)
     {
       /* Match if there's any glyph that is not listed! */
-      hb_codepoint_t g = -1;
+      hb_codepoint_t g = HB_SET_VALUE_INVALID;
       if (!hb_set_next (glyphs, &g))
         return false;
       if (g < startGlyph)
@@ -1128,7 +1128,7 @@ struct ClassDefFormat2
     if (klass == 0)
     {
       /* Match if there's any glyph that is not listed! */
-      hb_codepoint_t g = (hb_codepoint_t) -1;
+      hb_codepoint_t g = HB_SET_VALUE_INVALID;
       for (unsigned int i = 0; i < count; i++)
       {
 	if (!hb_set_next (glyphs, &g))
@@ -1137,7 +1137,7 @@ struct ClassDefFormat2
 	  return true;
 	g = rangeRecord[i].end;
       }
-      if (g != (hb_codepoint_t) -1 && hb_set_next (glyphs, &g))
+      if (g != HB_SET_VALUE_INVALID && hb_set_next (glyphs, &g))
         return true;
       /* Fall through. */
     }
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index fc5dd1084..d9ba0f6b3 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -957,7 +957,7 @@ hb_ot_shape_glyphs_closure (hb_font_t          *font,
   hb_set_t *copy = hb_set_create ();
   do {
     copy->set (glyphs);
-    for (hb_codepoint_t lookup_index = -1; hb_set_next (lookups, &lookup_index);)
+    for (hb_codepoint_t lookup_index = HB_SET_VALUE_INVALID; hb_set_next (lookups, &lookup_index);)
       hb_ot_layout_lookup_substitute_closure (font->face, lookup_index, glyphs);
   } while (!copy->is_equal (glyphs));
   hb_set_destroy (copy);

From 7ecca8c0a83a6c71154fcc80887a4f895c0c5a23 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 21 Feb 2018 09:42:46 -0800
Subject: [PATCH 1247/1326] [subset] keep the result of _subset

---
 src/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 418e481f8..a4794f18c 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -264,7 +264,7 @@ _subset_table (hb_subset_plan_t *plan,
       break;
   }
   DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), result ? "ok" : "FAILED");
-  return true;
+  return result;
 }
 
 static bool

From 0bd100e144885ed8144cf23e7e106014858a1724 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 21 Feb 2018 10:34:00 -0800
Subject: [PATCH 1248/1326] [subset] add --hinting flag

---
 src/hb-subset-private.hh |  1 +
 util/hb-subset.cc        |  6 +++++-
 util/options.cc          | 15 +++++++++++++++
 util/options.hh          | 14 ++++++++++++++
 4 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index cf784d725..55ac6f126 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -43,6 +43,7 @@ struct hb_subset_input_t {
   hb_set_t *unicodes;
   hb_set_t *glyphs;
 
+  hb_bool_t retain_hints;
   /* TODO
    *
    * features
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index ea657affe..3db625985 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -29,6 +29,7 @@
 
 #include "main-font-text.hh"
 #include "hb-subset.h"
+#include "hb-subset-private.hh"
 
 /*
  * Command line interface to the harfbuzz font subsetter.
@@ -37,7 +38,7 @@
 struct subset_consumer_t
 {
   subset_consumer_t (option_parser_t *parser)
-      : failed (false), options (parser), font (nullptr), input (nullptr) {}
+      : failed (false), options (parser), subset_options (parser), font (nullptr), input (nullptr) {}
 
   void init (hb_buffer_t  *buffer_,
              const font_options_t *font_opts)
@@ -89,6 +90,8 @@ struct subset_consumer_t
 
   void finish (const font_options_t *font_opts)
   {
+    input->retain_hints = subset_options.hinting;
+
     hb_subset_profile_t *subset_profile = hb_subset_profile_create();
     hb_face_t *face = hb_font_get_face (font);
 
@@ -111,6 +114,7 @@ struct subset_consumer_t
 
   private:
   output_options_t options;
+  subset_options_t subset_options;
   hb_font_t *font;
   hb_subset_input_t *input;
 };
diff --git a/util/options.cc b/util/options.cc
index 6d8064b90..aa8a6a962 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -986,3 +986,18 @@ format_options_t::serialize_buffer_of_glyphs (hb_buffer_t  *buffer,
   serialize_glyphs (buffer, font, output_format, format_flags, gs);
   g_string_append_c (gs, '\n');
 }
+
+void
+subset_options_t::add_options (option_parser_t *parser)
+{
+  GOptionEntry entries[] =
+  {
+    {"hinting", 0, 0, G_OPTION_ARG_NONE,  &this->hinting,   "Whether to retain or drop hints",   nullptr},
+    {nullptr}
+  };
+  parser->add_group (entries,
+         "subset",
+         "Subset options:",
+         "Options subsetting",
+         this);
+}
diff --git a/util/options.hh b/util/options.hh
index 411165bf2..80d32d902 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -649,6 +649,20 @@ struct format_options_t : option_group_t
   hb_bool_t trace;
 };
 
+struct subset_options_t : option_group_t
+{
+  subset_options_t (option_parser_t *parser)
+  {
+    hinting = true;
+
+    add_options (parser);
+  }
+
+  void add_options (option_parser_t *parser);
+
+  hb_bool_t hinting;
+};
+
 /* fallback implementation for scalbn()/scalbnf() for pre-2013 MSVC */
 #if defined (_MSC_VER) && (_MSC_VER < 1800)
 

From edee28801e4dbb5b734b4038d93fe1594e267ab1 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Wed, 21 Feb 2018 22:13:58 +0330
Subject: [PATCH 1249/1326] Add .editorconfig (#810)

More information: http://editorconfig.org/
---
 .editorconfig | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 .editorconfig

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 000000000..708188ad8
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,18 @@
+root = true
+
+[*]
+charset = utf-8
+trim_trailing_whitespace = true
+end_of_line = lf
+insert_final_newline = true
+
+[*.{c,cc,h,hh}]
+indent_size = 2
+indent_style = space
+tab_width = 8
+
+[*.{py,sh}]
+indent_style = tab
+
+[{CMakeLists.txt,*.cmake}]
+indent_size = 2

From 74e0c13a4a55848e797242c02c8f067e587ea603 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 21 Feb 2018 11:19:18 -0800
Subject: [PATCH 1250/1326] [subset] drop hint tables if so flagged. Still need
 to dump glyf instructions.

---
 src/hb-subset-plan.cc    |  1 +
 src/hb-subset-plan.hh    |  2 ++
 src/hb-subset-private.hh |  2 +-
 src/hb-subset.cc         | 11 +++++++++--
 util/hb-subset.cc        |  2 +-
 util/options.cc          |  2 +-
 util/options.hh          |  4 ++--
 7 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index b9e299add..0f653ff33 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -191,6 +191,7 @@ hb_subset_plan_create (hb_face_t           *face,
   plan->gids_to_retain_sorted.init();
   plan->source = hb_face_reference (face);
   plan->dest = hb_subset_face_create ();
+  plan->drop_hints = input->drop_hints;
 
   _populate_codepoints (input->unicodes, plan->codepoints);
   _populate_gids_to_retain (face,
diff --git a/src/hb-subset-plan.hh b/src/hb-subset-plan.hh
index a74152858..d1b66b44d 100644
--- a/src/hb-subset-plan.hh
+++ b/src/hb-subset-plan.hh
@@ -37,6 +37,8 @@ struct hb_subset_plan_t {
   hb_object_header_t header;
   ASSERT_POD ();
 
+  hb_bool_t drop_hints;
+
   // TODO(Q1) actual map, drop this crap
   // Look at me ma, I'm a poor mans map codepoint : new gid
   // codepoints is sorted and aligned with gids_to_retain.
diff --git a/src/hb-subset-private.hh b/src/hb-subset-private.hh
index 55ac6f126..5fa725276 100644
--- a/src/hb-subset-private.hh
+++ b/src/hb-subset-private.hh
@@ -43,7 +43,7 @@ struct hb_subset_input_t {
   hb_set_t *unicodes;
   hb_set_t *glyphs;
 
-  hb_bool_t retain_hints;
+  hb_bool_t drop_hints;
   /* TODO
    *
    * features
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index a4794f18c..b46b07fcc 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -268,9 +268,16 @@ _subset_table (hb_subset_plan_t *plan,
 }
 
 static bool
-_should_drop_table(hb_tag_t tag)
+_should_drop_table(hb_subset_plan_t *plan, hb_tag_t tag)
 {
     switch (tag) {
+      case HB_TAG ('c', 'v', 'a', 'r'): /* hint table, fallthrough */
+      case HB_TAG ('c', 'v', 't', ' '): /* hint table, fallthrough */
+      case HB_TAG ('f', 'p', 'g', 'm'): /* hint table, fallthrough */
+      case HB_TAG ('p', 'r', 'e', 'p'): /* hint table, fallthrough */
+      case HB_TAG ('h', 'd', 'm', 'x'): /* hint table, fallthrough */
+      case HB_TAG ('V', 'D', 'M', 'X'): /* hint table, fallthrough */
+        return plan->drop_hints;
       case HB_TAG ('G', 'D', 'E', 'F'): /* temporary */
       case HB_TAG ('G', 'P', 'O', 'S'): /* temporary */
       case HB_TAG ('G', 'S', 'U', 'B'): /* temporary */
@@ -307,7 +314,7 @@ hb_subset (hb_face_t *source,
     for (unsigned int i = 0; i < count; i++)
     {
       hb_tag_t tag = table_tags[i];
-      if (_should_drop_table(tag))
+      if (_should_drop_table(plan, tag))
       {
         DEBUG_MSG(SUBSET, nullptr, "drop %c%c%c%c", HB_UNTAG(tag));
         continue;
diff --git a/util/hb-subset.cc b/util/hb-subset.cc
index 3db625985..20617554c 100644
--- a/util/hb-subset.cc
+++ b/util/hb-subset.cc
@@ -90,7 +90,7 @@ struct subset_consumer_t
 
   void finish (const font_options_t *font_opts)
   {
-    input->retain_hints = subset_options.hinting;
+    input->drop_hints = subset_options.drop_hints;
 
     hb_subset_profile_t *subset_profile = hb_subset_profile_create();
     hb_face_t *face = hb_font_get_face (font);
diff --git a/util/options.cc b/util/options.cc
index aa8a6a962..7571fe840 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -992,7 +992,7 @@ subset_options_t::add_options (option_parser_t *parser)
 {
   GOptionEntry entries[] =
   {
-    {"hinting", 0, 0, G_OPTION_ARG_NONE,  &this->hinting,   "Whether to retain or drop hints",   nullptr},
+    {"no-hinting", 0, 0, G_OPTION_ARG_NONE,  &this->drop_hints,   "Whether to drop hints",   nullptr},
     {nullptr}
   };
   parser->add_group (entries,
diff --git a/util/options.hh b/util/options.hh
index 80d32d902..cce0eb163 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -653,14 +653,14 @@ struct subset_options_t : option_group_t
 {
   subset_options_t (option_parser_t *parser)
   {
-    hinting = true;
+    drop_hints = false;
 
     add_options (parser);
   }
 
   void add_options (option_parser_t *parser);
 
-  hb_bool_t hinting;
+  hb_bool_t drop_hints;
 };
 
 /* fallback implementation for scalbn()/scalbnf() for pre-2013 MSVC */

From 4fb97be78d9287e489c9f67d1bfe7682235bdf38 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 21 Feb 2018 14:38:02 -0800
Subject: [PATCH 1251/1326] Add two more ragel-generated headers

Fixes https://github.com/harfbuzz/harfbuzz/issues/817
---
 src/hb-buffer-deserialize-json.hh | 643 ++++++++++++++++++++++++++++++
 src/hb-buffer-deserialize-text.hh | 571 ++++++++++++++++++++++++++
 2 files changed, 1214 insertions(+)
 create mode 100644 src/hb-buffer-deserialize-json.hh
 create mode 100644 src/hb-buffer-deserialize-text.hh

diff --git a/src/hb-buffer-deserialize-json.hh b/src/hb-buffer-deserialize-json.hh
new file mode 100644
index 000000000..be374c77a
--- /dev/null
+++ b/src/hb-buffer-deserialize-json.hh
@@ -0,0 +1,643 @@
+
+#line 1 "hb-buffer-deserialize-json.rl"
+/*
+ * Copyright © 2013  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_BUFFER_DESERIALIZE_JSON_HH
+#define HB_BUFFER_DESERIALIZE_JSON_HH
+
+#include "hb-private.hh"
+
+
+#line 36 "hb-buffer-deserialize-json.hh"
+static const unsigned char _deserialize_json_trans_keys[] = {
+	0u, 0u, 9u, 123u, 9u, 34u, 97u, 103u, 120u, 121u, 34u, 34u, 9u, 58u, 9u, 57u,
+	48u, 57u, 9u, 125u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u,
+	9u, 125u, 9u, 125u, 108u, 108u, 34u, 34u, 9u, 58u, 9u, 57u, 9u, 125u, 9u, 125u,
+	120u, 121u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 34u, 34u,
+	9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u,
+	65u, 122u, 34u, 122u, 9u, 125u, 9u, 125u, 9u, 93u, 9u, 123u, 0u, 0u, 0
+};
+
+static const char _deserialize_json_key_spans[] = {
+	0, 115, 26, 7, 2, 1, 50, 49,
+	10, 117, 117, 117, 1, 50, 49, 10,
+	117, 117, 1, 1, 50, 49, 117, 117,
+	2, 1, 50, 49, 10, 117, 117, 1,
+	50, 49, 10, 117, 117, 1, 50, 49,
+	58, 89, 117, 117, 85, 115, 0
+};
+
+static const short _deserialize_json_index_offsets[] = {
+	0, 0, 116, 143, 151, 154, 156, 207,
+	257, 268, 386, 504, 622, 624, 675, 725,
+	736, 854, 972, 974, 976, 1027, 1077, 1195,
+	1313, 1316, 1318, 1369, 1419, 1430, 1548, 1666,
+	1668, 1719, 1769, 1780, 1898, 2016, 2018, 2069,
+	2119, 2178, 2268, 2386, 2504, 2590, 2706
+};
+
+static const char _deserialize_json_indicies[] = {
+	0, 0, 0, 0, 0, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	0, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 2, 1, 3, 3, 3,
+	3, 3, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 3, 1, 4, 1,
+	5, 1, 6, 7, 1, 1, 8, 1,
+	9, 10, 1, 11, 1, 11, 11, 11,
+	11, 11, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 11, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 12, 1,
+	12, 12, 12, 12, 12, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 12,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 13, 1, 1, 14,
+	15, 15, 15, 15, 15, 15, 15, 15,
+	15, 1, 16, 17, 17, 17, 17, 17,
+	17, 17, 17, 17, 1, 18, 18, 18,
+	18, 18, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 18, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	19, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 20, 1, 21, 21, 21, 21, 21,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 21, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 3, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 22,
+	1, 18, 18, 18, 18, 18, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	18, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 19, 1, 1, 1,
+	17, 17, 17, 17, 17, 17, 17, 17,
+	17, 17, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 20, 1, 23,
+	1, 23, 23, 23, 23, 23, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	23, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 24, 1, 24, 24, 24, 24,
+	24, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 24, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	25, 1, 1, 26, 27, 27, 27, 27,
+	27, 27, 27, 27, 27, 1, 28, 29,
+	29, 29, 29, 29, 29, 29, 29, 29,
+	1, 30, 30, 30, 30, 30, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	30, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 31, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 32, 1, 30,
+	30, 30, 30, 30, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 30, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 31, 1, 1, 1, 29, 29,
+	29, 29, 29, 29, 29, 29, 29, 29,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 32, 1, 33, 1, 34,
+	1, 34, 34, 34, 34, 34, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	34, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 35, 1, 35, 35, 35, 35,
+	35, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 35, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 36, 37, 37, 37, 37,
+	37, 37, 37, 37, 37, 1, 38, 38,
+	38, 38, 38, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 38, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 39, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 40, 1, 38, 38, 38, 38,
+	38, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 38, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 39,
+	1, 1, 1, 41, 41, 41, 41, 41,
+	41, 41, 41, 41, 41, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	40, 1, 42, 43, 1, 44, 1, 44,
+	44, 44, 44, 44, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 44, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	45, 1, 45, 45, 45, 45, 45, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 45, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 46, 1,
+	1, 47, 48, 48, 48, 48, 48, 48,
+	48, 48, 48, 1, 49, 50, 50, 50,
+	50, 50, 50, 50, 50, 50, 1, 51,
+	51, 51, 51, 51, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 51, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 52, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 53, 1, 51, 51, 51,
+	51, 51, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 51, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	52, 1, 1, 1, 50, 50, 50, 50,
+	50, 50, 50, 50, 50, 50, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 53, 1, 54, 1, 54, 54, 54,
+	54, 54, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 54, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 55, 1,
+	55, 55, 55, 55, 55, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 55,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 56, 1, 1, 57,
+	58, 58, 58, 58, 58, 58, 58, 58,
+	58, 1, 59, 60, 60, 60, 60, 60,
+	60, 60, 60, 60, 1, 61, 61, 61,
+	61, 61, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 61, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	62, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 63, 1, 61, 61, 61, 61, 61,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 61, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 62, 1,
+	1, 1, 60, 60, 60, 60, 60, 60,
+	60, 60, 60, 60, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 63,
+	1, 64, 1, 64, 64, 64, 64, 64,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 64, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 65, 1, 65, 65,
+	65, 65, 65, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 65, 1, 66,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 67, 68, 68,
+	68, 68, 68, 68, 68, 68, 68, 1,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 1, 1, 1, 1, 1, 1,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 1, 70, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 71, 71,
+	1, 71, 71, 71, 71, 71, 71, 71,
+	71, 71, 71, 1, 1, 1, 1, 1,
+	1, 1, 71, 71, 71, 71, 71, 71,
+	71, 71, 71, 71, 71, 71, 71, 71,
+	71, 71, 71, 71, 71, 71, 71, 71,
+	71, 71, 71, 71, 1, 1, 1, 1,
+	71, 1, 71, 71, 71, 71, 71, 71,
+	71, 71, 71, 71, 71, 71, 71, 71,
+	71, 71, 71, 71, 71, 71, 71, 71,
+	71, 71, 71, 71, 1, 72, 72, 72,
+	72, 72, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 72, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	73, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 74, 1, 72, 72, 72, 72, 72,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 72, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 73, 1,
+	1, 1, 75, 75, 75, 75, 75, 75,
+	75, 75, 75, 75, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 74,
+	1, 76, 76, 76, 76, 76, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	76, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 77, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 78, 1, 0,
+	0, 0, 0, 0, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 0, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 2, 1, 1, 0
+};
+
+static const char _deserialize_json_trans_targs[] = {
+	1, 0, 2, 2, 3, 4, 18, 24,
+	37, 5, 12, 6, 7, 8, 9, 11,
+	9, 11, 10, 2, 44, 10, 44, 13,
+	14, 15, 16, 17, 16, 17, 10, 2,
+	44, 19, 20, 21, 22, 23, 10, 2,
+	44, 23, 25, 31, 26, 27, 28, 29,
+	30, 29, 30, 10, 2, 44, 32, 33,
+	34, 35, 36, 35, 36, 10, 2, 44,
+	38, 39, 40, 42, 43, 41, 10, 41,
+	10, 2, 44, 43, 44, 45, 46
+};
+
+static const char _deserialize_json_trans_actions[] = {
+	0, 0, 1, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 2, 2, 2,
+	0, 0, 3, 3, 4, 0, 5, 0,
+	0, 2, 2, 2, 0, 0, 6, 6,
+	7, 0, 0, 0, 2, 2, 8, 8,
+	9, 0, 0, 0, 0, 0, 2, 2,
+	2, 0, 0, 10, 10, 11, 0, 0,
+	2, 2, 2, 0, 0, 12, 12, 13,
+	0, 0, 0, 2, 2, 2, 14, 0,
+	15, 15, 16, 0, 0, 0, 0
+};
+
+static const int deserialize_json_start = 1;
+static const int deserialize_json_first_final = 44;
+static const int deserialize_json_error = 0;
+
+static const int deserialize_json_en_main = 1;
+
+
+#line 97 "hb-buffer-deserialize-json.rl"
+
+
+static hb_bool_t
+_hb_buffer_deserialize_glyphs_json (hb_buffer_t *buffer,
+				    const char *buf,
+				    unsigned int buf_len,
+				    const char **end_ptr,
+				    hb_font_t *font)
+{
+  const char *p = buf, *pe = buf + buf_len;
+
+  /* Ensure we have positions. */
+  (void) hb_buffer_get_glyph_positions (buffer, nullptr);
+
+  while (p < pe && ISSPACE (*p))
+    p++;
+  if (p < pe && *p == (buffer->len ? ',' : '['))
+  {
+    *end_ptr = ++p;
+  }
+
+  const char *tok = nullptr;
+  int cs;
+  hb_glyph_info_t info = {0};
+  hb_glyph_position_t pos = {0};
+
+#line 466 "hb-buffer-deserialize-json.hh"
+	{
+	cs = deserialize_json_start;
+	}
+
+#line 471 "hb-buffer-deserialize-json.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+	if ( cs == 0 )
+		goto _out;
+_resume:
+	_keys = _deserialize_json_trans_keys + (cs<<1);
+	_inds = _deserialize_json_indicies + _deserialize_json_index_offsets[cs];
+
+	_slen = _deserialize_json_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=(*p) &&
+		(*p) <= _keys[1] ?
+		(*p) - _keys[0] : _slen ];
+
+	cs = _deserialize_json_trans_targs[_trans];
+
+	if ( _deserialize_json_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _deserialize_json_trans_actions[_trans] ) {
+	case 1:
+#line 38 "hb-buffer-deserialize-json.rl"
+	{
+	memset (&info, 0, sizeof (info));
+	memset (&pos , 0, sizeof (pos ));
+}
+	break;
+	case 5:
+#line 43 "hb-buffer-deserialize-json.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 2:
+#line 51 "hb-buffer-deserialize-json.rl"
+	{
+	tok = p;
+}
+	break;
+	case 14:
+#line 55 "hb-buffer-deserialize-json.rl"
+	{
+	if (!hb_font_glyph_from_string (font,
+					tok, p - tok,
+					&info.codepoint))
+	  return false;
+}
+	break;
+	case 15:
+#line 62 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_uint (tok, p, &info.codepoint)) return false; }
+	break;
+	case 8:
+#line 63 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_uint (tok, p, &info.cluster )) return false; }
+	break;
+	case 10:
+#line 64 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_int  (tok, p, &pos.x_offset )) return false; }
+	break;
+	case 12:
+#line 65 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_int  (tok, p, &pos.y_offset )) return false; }
+	break;
+	case 3:
+#line 66 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_int  (tok, p, &pos.x_advance)) return false; }
+	break;
+	case 6:
+#line 67 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_int  (tok, p, &pos.y_advance)) return false; }
+	break;
+	case 16:
+#line 62 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_uint (tok, p, &info.codepoint)) return false; }
+#line 43 "hb-buffer-deserialize-json.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 9:
+#line 63 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_uint (tok, p, &info.cluster )) return false; }
+#line 43 "hb-buffer-deserialize-json.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 11:
+#line 64 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_int  (tok, p, &pos.x_offset )) return false; }
+#line 43 "hb-buffer-deserialize-json.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 13:
+#line 65 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_int  (tok, p, &pos.y_offset )) return false; }
+#line 43 "hb-buffer-deserialize-json.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 4:
+#line 66 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_int  (tok, p, &pos.x_advance)) return false; }
+#line 43 "hb-buffer-deserialize-json.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 7:
+#line 67 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_int  (tok, p, &pos.y_advance)) return false; }
+#line 43 "hb-buffer-deserialize-json.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+#line 624 "hb-buffer-deserialize-json.hh"
+	}
+
+_again:
+	if ( cs == 0 )
+		goto _out;
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	_out: {}
+	}
+
+#line 125 "hb-buffer-deserialize-json.rl"
+
+
+  *end_ptr = p;
+
+  return p == pe && *(p-1) != ']';
+}
+
+#endif /* HB_BUFFER_DESERIALIZE_JSON_HH */
diff --git a/src/hb-buffer-deserialize-text.hh b/src/hb-buffer-deserialize-text.hh
new file mode 100644
index 000000000..a6ab0bbde
--- /dev/null
+++ b/src/hb-buffer-deserialize-text.hh
@@ -0,0 +1,571 @@
+
+#line 1 "hb-buffer-deserialize-text.rl"
+/*
+ * Copyright © 2013  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_BUFFER_DESERIALIZE_TEXT_HH
+#define HB_BUFFER_DESERIALIZE_TEXT_HH
+
+#include "hb-private.hh"
+
+
+#line 36 "hb-buffer-deserialize-text.hh"
+static const unsigned char _deserialize_text_trans_keys[] = {
+	0u, 0u, 9u, 122u, 45u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 48u, 57u, 45u, 57u,
+	48u, 57u, 44u, 44u, 45u, 57u, 48u, 57u, 44u, 57u, 9u, 124u, 9u, 124u, 0u, 0u,
+	9u, 122u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u,
+	9u, 124u, 9u, 124u, 9u, 124u, 0
+};
+
+static const char _deserialize_text_key_spans[] = {
+	0, 114, 13, 10, 13, 10, 10, 13,
+	10, 1, 13, 10, 14, 116, 116, 0,
+	114, 116, 116, 116, 116, 116, 116, 116,
+	116, 116, 116
+};
+
+static const short _deserialize_text_index_offsets[] = {
+	0, 0, 115, 129, 140, 154, 165, 176,
+	190, 201, 203, 217, 228, 243, 360, 477,
+	478, 593, 710, 827, 944, 1061, 1178, 1295,
+	1412, 1529, 1646
+};
+
+static const char _deserialize_text_indicies[] = {
+	0, 0, 0, 0, 0, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	0, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	2, 3, 3, 3, 3, 3, 3, 3,
+	3, 3, 1, 1, 1, 1, 1, 1,
+	1, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 1, 1, 1, 1, 1,
+	1, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 1, 5, 1, 1, 6,
+	7, 7, 7, 7, 7, 7, 7, 7,
+	7, 1, 8, 9, 9, 9, 9, 9,
+	9, 9, 9, 9, 1, 10, 1, 1,
+	11, 12, 12, 12, 12, 12, 12, 12,
+	12, 12, 1, 13, 14, 14, 14, 14,
+	14, 14, 14, 14, 14, 1, 15, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	1, 17, 1, 1, 18, 19, 19, 19,
+	19, 19, 19, 19, 19, 19, 1, 20,
+	21, 21, 21, 21, 21, 21, 21, 21,
+	21, 1, 22, 1, 23, 1, 1, 24,
+	25, 25, 25, 25, 25, 25, 25, 25,
+	25, 1, 26, 27, 27, 27, 27, 27,
+	27, 27, 27, 27, 1, 22, 1, 1,
+	1, 21, 21, 21, 21, 21, 21, 21,
+	21, 21, 21, 1, 28, 28, 28, 28,
+	28, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 28, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 29, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	30, 1, 1, 31, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	32, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 33,
+	1, 34, 34, 34, 34, 34, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	34, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 35, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 36, 1, 1, 0,
+	0, 0, 0, 0, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 0, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 2, 3,
+	3, 3, 3, 3, 3, 3, 3, 3,
+	1, 1, 1, 1, 1, 1, 1, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 1, 1, 1, 1, 1, 1, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 4, 4, 4, 4,
+	4, 1, 28, 28, 28, 28, 28, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 28, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 29, 1, 1, 1,
+	1, 37, 37, 37, 37, 37, 37, 37,
+	37, 37, 37, 1, 1, 1, 30, 1,
+	1, 31, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 32, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 33, 1, 38,
+	38, 38, 38, 38, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 38, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 39, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 40, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 41, 1, 42, 42, 42, 42,
+	42, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 42, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	43, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 44,
+	1, 42, 42, 42, 42, 42, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	42, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	14, 14, 14, 14, 14, 14, 14, 14,
+	14, 14, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 43, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 44, 1, 38, 38,
+	38, 38, 38, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 38, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 39, 1, 1, 1, 9, 9, 9,
+	9, 9, 9, 9, 9, 9, 9, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 40, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 41, 1, 45, 45, 45, 45, 45,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 45, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 46, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 47, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 48,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 49, 1,
+	50, 50, 50, 50, 50, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 50,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 51, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 52, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 53, 1, 50, 50, 50,
+	50, 50, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 50, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 51,
+	1, 1, 1, 1, 27, 27, 27, 27,
+	27, 27, 27, 27, 27, 27, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 52, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	53, 1, 45, 45, 45, 45, 45, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 45, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 46, 1, 1, 1,
+	1, 54, 54, 54, 54, 54, 54, 54,
+	54, 54, 54, 1, 1, 1, 1, 1,
+	1, 47, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 48, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 49, 1, 28,
+	28, 28, 28, 28, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 28, 1,
+	1, 1, 1, 1, 1, 1, 1, 1,
+	1, 29, 1, 55, 55, 1, 55, 55,
+	55, 55, 55, 55, 55, 55, 55, 55,
+	1, 1, 1, 30, 1, 1, 31, 55,
+	55, 55, 55, 55, 55, 55, 55, 55,
+	55, 55, 55, 55, 55, 55, 55, 55,
+	55, 55, 55, 55, 55, 55, 55, 55,
+	55, 1, 1, 32, 1, 55, 1, 55,
+	55, 55, 55, 55, 55, 55, 55, 55,
+	55, 55, 55, 55, 55, 55, 55, 55,
+	55, 55, 55, 55, 55, 55, 55, 55,
+	55, 1, 33, 1, 0
+};
+
+static const char _deserialize_text_trans_targs[] = {
+	1, 0, 13, 17, 26, 3, 18, 21,
+	18, 21, 5, 19, 20, 19, 20, 22,
+	25, 8, 9, 12, 9, 12, 10, 11,
+	23, 24, 23, 24, 14, 2, 6, 7,
+	15, 16, 14, 15, 16, 17, 14, 4,
+	15, 16, 14, 15, 16, 14, 2, 7,
+	15, 16, 14, 2, 15, 16, 25, 26
+};
+
+static const char _deserialize_text_trans_actions[] = {
+	0, 0, 1, 1, 1, 2, 2, 2,
+	0, 0, 2, 2, 2, 0, 0, 2,
+	2, 2, 2, 2, 0, 0, 3, 2,
+	2, 2, 0, 0, 4, 5, 5, 5,
+	4, 4, 0, 0, 0, 0, 6, 7,
+	6, 6, 8, 8, 8, 9, 10, 10,
+	9, 9, 11, 12, 11, 11, 0, 0
+};
+
+static const char _deserialize_text_eof_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 4, 0, 0,
+	0, 4, 6, 8, 8, 6, 9, 11,
+	11, 9, 4
+};
+
+static const int deserialize_text_start = 1;
+static const int deserialize_text_first_final = 13;
+static const int deserialize_text_error = 0;
+
+static const int deserialize_text_en_main = 1;
+
+
+#line 91 "hb-buffer-deserialize-text.rl"
+
+
+static hb_bool_t
+_hb_buffer_deserialize_glyphs_text (hb_buffer_t *buffer,
+				    const char *buf,
+				    unsigned int buf_len,
+				    const char **end_ptr,
+				    hb_font_t *font)
+{
+  const char *p = buf, *pe = buf + buf_len;
+
+  /* Ensure we have positions. */
+  (void) hb_buffer_get_glyph_positions (buffer, nullptr);
+
+  while (p < pe && ISSPACE (*p))
+    p++;
+  if (p < pe && *p == (buffer->len ? '|' : '['))
+  {
+    *end_ptr = ++p;
+  }
+
+  const char *eof = pe, *tok = nullptr;
+  int cs;
+  hb_glyph_info_t info = {0};
+  hb_glyph_position_t pos = {0};
+
+#line 343 "hb-buffer-deserialize-text.hh"
+	{
+	cs = deserialize_text_start;
+	}
+
+#line 348 "hb-buffer-deserialize-text.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+	if ( cs == 0 )
+		goto _out;
+_resume:
+	_keys = _deserialize_text_trans_keys + (cs<<1);
+	_inds = _deserialize_text_indicies + _deserialize_text_index_offsets[cs];
+
+	_slen = _deserialize_text_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=(*p) &&
+		(*p) <= _keys[1] ?
+		(*p) - _keys[0] : _slen ];
+
+	cs = _deserialize_text_trans_targs[_trans];
+
+	if ( _deserialize_text_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _deserialize_text_trans_actions[_trans] ) {
+	case 2:
+#line 51 "hb-buffer-deserialize-text.rl"
+	{
+	tok = p;
+}
+	break;
+	case 5:
+#line 55 "hb-buffer-deserialize-text.rl"
+	{
+	if (!hb_font_glyph_from_string (font,
+					tok, p - tok,
+					&info.codepoint))
+	  return false;
+}
+	break;
+	case 10:
+#line 62 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_uint (tok, p, &info.cluster )) return false; }
+	break;
+	case 3:
+#line 63 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.x_offset )) return false; }
+	break;
+	case 12:
+#line 64 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.y_offset )) return false; }
+	break;
+	case 7:
+#line 65 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.x_advance)) return false; }
+	break;
+	case 1:
+#line 38 "hb-buffer-deserialize-text.rl"
+	{
+	memset (&info, 0, sizeof (info));
+	memset (&pos , 0, sizeof (pos ));
+}
+#line 51 "hb-buffer-deserialize-text.rl"
+	{
+	tok = p;
+}
+	break;
+	case 4:
+#line 55 "hb-buffer-deserialize-text.rl"
+	{
+	if (!hb_font_glyph_from_string (font,
+					tok, p - tok,
+					&info.codepoint))
+	  return false;
+}
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 9:
+#line 62 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_uint (tok, p, &info.cluster )) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 11:
+#line 64 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.y_offset )) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 6:
+#line 65 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.x_advance)) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 8:
+#line 66 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.y_advance)) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+#line 480 "hb-buffer-deserialize-text.hh"
+	}
+
+_again:
+	if ( cs == 0 )
+		goto _out;
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	switch ( _deserialize_text_eof_actions[cs] ) {
+	case 4:
+#line 55 "hb-buffer-deserialize-text.rl"
+	{
+	if (!hb_font_glyph_from_string (font,
+					tok, p - tok,
+					&info.codepoint))
+	  return false;
+}
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 9:
+#line 62 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_uint (tok, p, &info.cluster )) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 11:
+#line 64 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.y_offset )) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 6:
+#line 65 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.x_advance)) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+	case 8:
+#line 66 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.y_advance)) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (buffer->in_error)
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+#line 557 "hb-buffer-deserialize-text.hh"
+	}
+	}
+
+	_out: {}
+	}
+
+#line 119 "hb-buffer-deserialize-text.rl"
+
+
+  *end_ptr = p;
+
+  return p == pe && *(p-1) != ']';
+}
+
+#endif /* HB_BUFFER_DESERIALIZE_TEXT_HH */

From 2d0265242bb9a080886d6e0aa653c62e5770a15a Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 21 Feb 2018 09:42:46 -0800
Subject: [PATCH 1252/1326] [subset] keep the result of _subset

---
 src/hb-subset.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 418e481f8..a4794f18c 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -264,7 +264,7 @@ _subset_table (hb_subset_plan_t *plan,
       break;
   }
   DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), result ? "ok" : "FAILED");
-  return true;
+  return result;
 }
 
 static bool

From 4f07437dfebd3dc5923f40154c6f1b7e1dce1bd4 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Wed, 21 Feb 2018 22:23:05 -0800
Subject: [PATCH 1253/1326] [subset] sketch out dropping in-glyf instructions.
 Sometimes yields differnet size glyphs than fonttools, possibly due to
 padding not being corrected

---
 src/hb-ot-glyf-table.hh                      |  45 +++++++++++
 src/hb-subset-glyf.cc                        |  78 +++++++++++++++----
 src/hb-subset-input.cc                       |   6 ++
 src/hb-subset.h                              |   2 +
 test/api/fonts/Roboto-Regular.ac.nohints.ttf | Bin 0 -> 1128 bytes
 test/api/hb-subset-test.h                    |  17 ++--
 test/api/test-subset-cmap.c                  |   4 +-
 test/api/test-subset-glyf.c                  |  32 +++++++-
 test/api/test-subset-hmtx.c                  |  10 +--
 test/api/test-subset-os2.c                   |   2 +-
 10 files changed, 161 insertions(+), 35 deletions(-)
 create mode 100644 test/api/fonts/Roboto-Regular.ac.nohints.ttf

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 50a711154..667dfb52d 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -301,6 +301,51 @@ struct glyf
       return true;
     }
 
+    inline bool get_instruction_offsets(unsigned int start_offset,
+                                        unsigned int end_offset,
+                                        unsigned int *instruction_start /* OUT */,
+                                        unsigned int *instruction_end /* OUT */) const
+    {
+      if (end_offset - start_offset < GlyphHeader::static_size)
+      {
+        *instruction_start = 0;
+        *instruction_end = 0;
+        return true; /* Empty glyph; no instructions. */
+      }
+      const GlyphHeader &glyph_header = StructAtOffset<GlyphHeader> (glyf_table, start_offset);
+      int16_t num_contours = (int16_t) glyph_header.numberOfContours;
+      if (num_contours < 0)
+      {
+        CompositeGlyphHeader::Iterator *composite_it;
+        if (unlikely (!CompositeGlyphHeader::get_iterator (
+            (const char*) this->glyf_table + start_offset,
+             end_offset - start_offset, composite_it))) return false;
+        const CompositeGlyphHeader *last;
+        do {
+          last = composite_it->current;
+        } while (composite_it->move_to_next());
+
+        if ( (uint16_t) last->flags & CompositeGlyphHeader::WE_HAVE_INSTRUCTIONS)
+          *instruction_start = start_offset + ((char *) last - (char *) glyf_table->dataX) + last->get_size();
+        else
+          *instruction_start = end_offset;
+        *instruction_end = end_offset;
+        if (unlikely (*instruction_start > *instruction_end))
+        {
+          DEBUG_MSG(SUBSET, nullptr, "Invalid instruction offset, %d is outside [%d, %d]", *instruction_start, start_offset, end_offset);
+          return false;
+        }
+      }
+      else
+      {
+        unsigned int instruction_length_offset = start_offset + GlyphHeader::static_size + 2 * num_contours;
+        const HBUINT16 &instruction_length = StructAtOffset<HBUINT16> (glyf_table, instruction_length_offset);
+        *instruction_start = instruction_length_offset + 2;
+        *instruction_end = *instruction_start + (uint16_t) instruction_length;
+      }
+      return true;
+    }
+
     inline bool get_extents (hb_codepoint_t glyph,
 			     hb_glyph_extents_t *extents) const
     {
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index d57b41159..867810fb7 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -21,7 +21,7 @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
- * Google Author(s): Garret Rieger
+ * Google Author(s): Garret Rieger, Roderick Sheeter
  */
 
 #include "hb-open-type-private.hh"
@@ -33,26 +33,42 @@
 static bool
 _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
                                      hb_prealloced_array_t<hb_codepoint_t> &glyph_ids,
-                                     bool *use_short_loca, /* OUT */
-                                     unsigned int *glyf_size, /* OUT */
-                                     unsigned int *loca_size /* OUT */)
+                                     hb_bool_t drop_hints,
+                                     bool *use_short_loca /* OUT */,
+                                     unsigned int *glyf_size /* OUT */,
+                                     unsigned int *loca_size /* OUT */,
+                                     hb_prealloced_array_t<unsigned int> *instruction_ranges /* OUT */)
 {
   unsigned int total = 0;
-  unsigned int count = 0;
   for (unsigned int i = 0; i < glyph_ids.len; i++)
   {
     hb_codepoint_t next_glyph = glyph_ids[i];
     unsigned int start_offset, end_offset;
-    if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset)))
-      end_offset = start_offset = 0;
+    if (unlikely (!glyf.get_offsets(next_glyph, &start_offset, &end_offset)))
+    {
+      DEBUG_MSG(SUBSET, nullptr, "Invalid gid %d", next_glyph);
+      continue;
+    }
+    unsigned int instruction_start = 0, instruction_end = 0;
+    if (drop_hints)
+    {
+      if (unlikely (!glyf.get_instruction_offsets(start_offset, end_offset,
+                                                  &instruction_start, &instruction_end)))
+      {
+        DEBUG_MSG(SUBSET, nullptr, "Unable to get instruction offsets for %d", next_glyph);
+        return false;
+      }
+    }
+    *(instruction_ranges->push()) = instruction_start;
+    *(instruction_ranges->push()) = instruction_end;
 
-    total += end_offset - start_offset;
-    count++;
+    total += end_offset - start_offset - (instruction_end - instruction_start);
+    fprintf(stderr, "  %d ends at %d (was %d to %d, remove %d)\n", next_glyph, total, start_offset, end_offset, instruction_end - instruction_start);
   }
 
   *glyf_size = total;
   *use_short_loca = (total <= 131070);
-  *loca_size = (count + 1)
+  *loca_size = (glyph_ids.len + 1)
       * (*use_short_loca ? sizeof(OT::HBUINT16) : sizeof(OT::HBUINT32));
 
   DEBUG_MSG(SUBSET, nullptr, "preparing to subset glyf: final size %d, loca size %d, using %s loca",
@@ -118,6 +134,7 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
 			    const OT::glyf::accelerator_t &glyf,
                             const char                    *glyf_data,
                             bool                           use_short_loca,
+                            hb_prealloced_array_t<unsigned int> &instruction_ranges,
                             unsigned int                   glyf_prime_size,
                             char                          *glyf_prime_data /* OUT */,
                             unsigned int                   loca_prime_size,
@@ -132,25 +149,44 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
     unsigned int start_offset, end_offset;
     if (unlikely (!glyf.get_offsets (glyph_ids[i], &start_offset, &end_offset)))
       end_offset = start_offset = 0;
+    unsigned int instruction_start = instruction_ranges[i * 2];
+    unsigned int instruction_end = instruction_ranges[i * 2 + 1];
 
-    int length = end_offset - start_offset;
+    int length = end_offset - start_offset - (instruction_end - instruction_start);
 
     if (glyf_prime_data_next + length > glyf_prime_data + glyf_prime_size)
     {
       DEBUG_MSG (SUBSET,
                  nullptr,
-                 "WARNING: Attempted to write an out of bounds glyph entry for gid %d",
-                 i);
+                 "WARNING: Attempted to write an out of bounds glyph entry for gid %d (length %d)",
+                 i, length);
       return false;
     }
-    memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
+
+    if (instruction_start == instruction_end)
+    {
+      fprintf(stderr, "i=%d copy %d bytes from %d to %ld\n", i, length, start_offset, glyf_prime_data_next - glyf_prime_data);
+      memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
+    }
+    else
+    {
+      fprintf(stderr, "i=%d copy %d bytes from %d to %ld\n", i, instruction_start - start_offset, start_offset, glyf_prime_data_next - glyf_prime_data);
+      fprintf(stderr, "i=%d copy %d bytes from %d to %ld\n", i, end_offset - instruction_end, instruction_end, glyf_prime_data_next + instruction_start - start_offset - glyf_prime_data);
+      memcpy (glyf_prime_data_next, glyf_data + start_offset, instruction_start - start_offset);
+      memcpy (glyf_prime_data_next + instruction_start - start_offset, glyf_data + instruction_end, end_offset - instruction_end);
+      /* if the instructions end at the end this was a composite glyph */
+      if (instruction_end == end_offset)
+        ; // TODO(rsheeter) remove WE_HAVE_INSTRUCTIONS from last flags
+      else
+        ; // TODO(rsheeter) zero instructionLength
+    }
 
     success = success && _write_loca_entry (i,
                                             glyf_prime_data_next - glyf_prime_data,
                                             use_short_loca,
                                             loca_prime_data,
                                             loca_prime_size);
-    _update_components (plan, glyf_prime_data_next, end_offset - start_offset);
+    _update_components (plan, glyf_prime_data_next, length);
 
     glyf_prime_data_next += length;
   }
@@ -166,7 +202,7 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
 static bool
 _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
                           const char                     *glyf_data,
-			  hb_subset_plan_t               *plan,
+                          hb_subset_plan_t               *plan,
                           bool                           *use_short_loca,
                           hb_blob_t                     **glyf_prime /* OUT */,
                           hb_blob_t                     **loca_prime /* OUT */)
@@ -176,12 +212,17 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
 
   unsigned int glyf_prime_size;
   unsigned int loca_prime_size;
+  hb_prealloced_array_t<unsigned int> instruction_ranges;
+  instruction_ranges.init();
 
   if (unlikely (!_calculate_glyf_and_loca_prime_size (glyf,
                                                       glyphs_to_retain,
+                                                      plan->drop_hints,
                                                       use_short_loca,
                                                       &glyf_prime_size,
-                                                      &loca_prime_size))) {
+                                                      &loca_prime_size,
+                                                      &instruction_ranges))) {
+    instruction_ranges.finish();
     return false;
   }
 
@@ -189,12 +230,15 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
   char *loca_prime_data = (char *) malloc (loca_prime_size);
   if (unlikely (!_write_glyf_and_loca_prime (plan, glyf, glyf_data,
                                              *use_short_loca,
+                                             instruction_ranges,
                                              glyf_prime_size, glyf_prime_data,
                                              loca_prime_size, loca_prime_data))) {
     free (glyf_prime_data);
     free (loca_prime_data);
+    instruction_ranges.finish();
     return false;
   }
+  instruction_ranges.finish();
 
   *glyf_prime = hb_blob_create (glyf_prime_data,
                                 glyf_prime_size,
diff --git a/src/hb-subset-input.cc b/src/hb-subset-input.cc
index d41cff601..69aa9d61a 100644
--- a/src/hb-subset-input.cc
+++ b/src/hb-subset-input.cc
@@ -105,3 +105,9 @@ hb_subset_input_glyph_set (hb_subset_input_t *subset_input)
 {
   return subset_input->glyphs;
 }
+
+HB_EXTERN hb_bool_t *
+hb_subset_input_drop_hints(hb_subset_input_t *subset_input)
+{
+  return &subset_input->drop_hints;
+}
diff --git a/src/hb-subset.h b/src/hb-subset.h
index de7759b22..1af7cba53 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -68,6 +68,8 @@ hb_subset_input_unicode_set (hb_subset_input_t *subset_input);
 HB_EXTERN hb_set_t *
 hb_subset_input_glyph_set (hb_subset_input_t *subset_input);
 
+HB_EXTERN hb_bool_t *
+hb_subset_input_drop_hints(hb_subset_input_t *subset_input);
 
 /* hb_subset() */
 
diff --git a/test/api/fonts/Roboto-Regular.ac.nohints.ttf b/test/api/fonts/Roboto-Regular.ac.nohints.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..b7cdffedfa0a81ccdfc29cf283ae213c6ab6c658
GIT binary patch
literal 1128
zcmZuwT}V@57=F&#*_>;bmYb!fYiCaBS2kS{A`#{)qS;gwG4i<0`LpSAC(*9Vz=RTu
zjKCs=x-f_o`UAc3A`yz9LN5x6Zh{JfBJ09x>;2AIBcd1H^M23y-uHQ)@BDxRkcNI}
z(B!VzUx}@-0GfWfTjZ|tRBKm0O%a|XJmjvf-FL|}U<QO@!Y)tsPKVq&kOuHogqwU}
zDS|=%8R2Qdp`a9vK#%n_FB3KfLwzkRGqriNUZz}Z4M_f<?JrIN+<U^VR=Q!B(cYl>
zZG>&DVY%06=C%{I5H^Ood=kpgPW^8Q>%&rS1O<3Uc#g28Qwj(8hla1DmrHneq$?`N
z!|)TXVf)|_jxTFI3P+HKB4D$<P$ydLr6o3}v$Vu6T6HF|#N~22%vl+kS*8MqYgegg
zF=d)HMd^mqcPE~5+=qMe3E$vMbiQYHQLx9>)Lj!V#%{|N@8JD&w`OalsNa3`O8xB3
zSlZ?K^x=jBZx-sB$sQU>cbRlI0gTp}#*0>DlqS?fyCP0Xe7SE_Kc(%N?|dEmA-^1b
z@I^nRA88xDI(DYF;n<{~E98)W{rk|XJ8fs5%!#v)iJOjx5tvZ}t%B%AB6JDNo*C=o
z#dY4;g8%s1vTxX^SDGGu&e*{gOPqIQHRsn-YOy{_FqNK_5}Nby3k?X<8*gMBDWRB=
zwhyl6#15qv|D(s8XoNxT0y%+pOzWhh=c`ro94(A8L93E8Pswn5JZ|iT1fLEupe1FD
zhXvd?YY_HmrwLeypJ}L>ODo2}s)1?+1ol>;qsoyGF~#GAl^UOjk0;&I2`E@E3uZ}5
zB;)fXQnj1MRD@KTWmD>!r$5FBFS^i7DN}k8KoBPpBBpNYQX<~YzP<khbEgMS?$#<!
z=?_w310lA@uB_5GuOxHD(tu)=L#U`cT!U<1Uv~)E!R|l@vO|*GiEKJI1+gmq9f9sn
zQc)*4+GBhi(}h*(+=3Evn()ddlc9Q0eX#4Fm0Fn(2hINN!>0JKDL!mTA4x*sH;dZB
AF#rGn

literal 0
HcmV?d00001

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 12f7868ad..8f7fe3938 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -95,17 +95,20 @@ hb_subset_test_open_font (const char *font_path)
   return NULL; /* Shut up, compiler! */
 }
 
+static inline hb_subset_input_t *
+hb_subset_test_create_input(const hb_set_t  *codepoints)
+{
+  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
+  hb_set_t * input_codepoints = hb_subset_input_unicode_set (input);
+  hb_set_union (input_codepoints, codepoints);
+  return input;
+}
+
 static inline hb_face_t *
 hb_subset_test_create_subset (hb_face_t *source,
-                              const hb_set_t  *codepoints)
+                              hb_subset_input_t *input)
 {
   hb_subset_profile_t *profile = hb_subset_profile_create();
-  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
-
-  hb_set_t * input_codepoints = hb_subset_input_unicode_set (input);
-
-  hb_set_union (input_codepoints, codepoints);
-
   hb_face_t *subset = hb_subset (source, profile, input);
   g_assert (subset);
 
diff --git a/test/api/test-subset-cmap.c b/test/api/test-subset-cmap.c
index 8798475f2..07715791d 100644
--- a/test/api/test-subset-cmap.c
+++ b/test/api/test-subset-cmap.c
@@ -40,7 +40,7 @@ test_subset_cmap (void)
   hb_set_t *codepoints = hb_set_create ();
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 99);
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('c','m','a','p'));
@@ -59,7 +59,7 @@ test_subset_cmap_noop (void)
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 98);
   hb_set_add (codepoints, 99);
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('c','m','a','p'));
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 96e37bbcb..a4b4295fa 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -40,7 +40,7 @@ test_subset_glyf (void)
   hb_set_t *codepoints = hb_set_create();
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 99);
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
@@ -60,7 +60,7 @@ test_subset_glyf_with_components (void)
 
   hb_set_t *codepoints = hb_set_create();
   hb_set_add (codepoints, 0x1fc);
-  hb_face_t *face_generated_subset = hb_subset_test_create_subset (face_components, codepoints);
+  hb_face_t *face_generated_subset = hb_subset_test_create_subset (face_components, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('g','l','y','f'));
@@ -81,7 +81,7 @@ test_subset_glyf_noop (void)
   hb_set_add (codepoints, 97);
   hb_set_add (codepoints, 98);
   hb_set_add (codepoints, 99);
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('g','l','y','f'));
@@ -91,6 +91,31 @@ test_subset_glyf_noop (void)
   hb_face_destroy (face_abc);
 }
 
+static void
+test_subset_glyf_strip_hints (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Roboto-Regular.abc.ttf");
+  hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.nohints.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 'a');
+  hb_set_add (codepoints, 'c');
+  hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
+  *hb_subset_input_drop_hints(input) = true;
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, input);
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('m','a','x', 'p'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_ac);
+}
+
+// TODO(rsheeter): test strip hints from composite
+
 // TODO(grieger): test for long loca generation.
 
 int
@@ -101,6 +126,7 @@ main (int argc, char **argv)
   hb_test_add (test_subset_glyf);
   hb_test_add (test_subset_glyf_with_components);
   hb_test_add (test_subset_glyf_noop);
+  hb_test_add (test_subset_glyf_strip_hints);
 
   return hb_test_run();
 }
diff --git a/test/api/test-subset-hmtx.c b/test/api/test-subset-hmtx.c
index 36d7d9e80..2b7645266 100644
--- a/test/api/test-subset-hmtx.c
+++ b/test/api/test-subset-hmtx.c
@@ -55,7 +55,7 @@ test_subset_hmtx_simple_subset (void)
   hb_set_t *codepoints = hb_set_create ();
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   check_num_hmetrics(face_abc_subset, 3); /* nothing has same width */
@@ -76,7 +76,7 @@ test_subset_hmtx_monospace (void)
   hb_set_t *codepoints = hb_set_create ();
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   check_num_hmetrics(face_abc_subset, 1); /* everything has same width */
@@ -97,7 +97,7 @@ test_subset_hmtx_keep_num_metrics (void)
   hb_set_t *codepoints = hb_set_create ();
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   check_num_hmetrics(face_abc_subset, 3); /* c is wider */
@@ -117,7 +117,7 @@ test_subset_hmtx_decrease_num_metrics (void)
   hb_set_t *codepoints = hb_set_create ();
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'b');
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   check_num_hmetrics(face_abc_subset, 1); /* everything left has same width */
@@ -137,7 +137,7 @@ test_subset_hmtx_noop (void)
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'b');
   hb_set_add (codepoints, 'c');
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   check_num_hmetrics(face_abc_subset, 4); /* nothing has same width */
diff --git a/test/api/test-subset-os2.c b/test/api/test-subset-os2.c
index e2b96f92a..e9db9bed6 100644
--- a/test/api/test-subset-os2.c
+++ b/test/api/test-subset-os2.c
@@ -37,7 +37,7 @@ test_subset_os2 (void)
 
   hb_set_t *codepoints = hb_set_create();
   hb_set_add (codepoints, 98);
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_b, face_abc_subset, HB_TAG ('O','S','/','2'));

From fa13a04cf3345311a2434f0d7f6346f967491c45 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 22 Feb 2018 16:48:03 +0330
Subject: [PATCH 1254/1326] [dev-run] Add gdb/lldb shortcuts

---
 src/dev-run.sh | 40 +++++++++++++++++++++++++++++++---------
 1 file changed, 31 insertions(+), 9 deletions(-)

diff --git a/src/dev-run.sh b/src/dev-run.sh
index 5a7ae1022..40f6463cb 100755
--- a/src/dev-run.sh
+++ b/src/dev-run.sh
@@ -13,26 +13,48 @@
 [ $# = 0 ] && echo Usage: "src/dev-run.sh [FONT-FILE] [TEXT]" && exit
 command -v entr >/dev/null 2>&1 || { echo >&2 "This script needs `entr` be installed"; exit 1; }
 
+GDB=gdb
+# if gdb doesn't exist, hopefully lldb exist
+command -v $GDB >/dev/null 2>&1 || export GDB="lldb"
+
 [ -f 'build/build.ninja' ] && CMAKENINJA=TRUE
 # or "fswatch -0 . -e build/ -e .git"
 find src/ | entr printf '\0' | while read -d ""; do
 	clear
+	echo '===================================================='
 	if [[ $CMAKENINJA ]]; then
-		ninja -Cbuild hb-shape hb-view
-		build/hb-shape $@
-		build/hb-view $@
+		ninja -Cbuild hb-shape hb-view && {
+			build/hb-shape $@
+			build/hb-view $@
+		}
 	else
-		make -Cbuild/src -j5 -s lib
-		build/util/hb-shape $@
-		build/util/hb-view $@
+		make -Cbuild/src -j5 -s lib && {
+			build/util/hb-shape $@
+			build/util/hb-view $@
+		}
 	fi
 done
 
-read -n 1 -p "Run the tests (y/n)? " answer
-if [[ "$answer" = "y" ]]; then
+read -n 1 -p "[T]est, [D]ebug, [R]estart, [Q]uit?" answer
+case "$answer" in
+t|T )
 	if [[ $CMAKENINJA ]]; then
 		CTEST_OUTPUT_ON_FAILURE=1 CTEST_PARALLEL_LEVEL=5 ninja -Cbuild test
 	else
 		make -Cbuild -j5 check && .ci/fail.sh
 	fi
-fi
+;;
+d|D )
+	if [[ $CMAKENINJA ]]; then
+		echo "Not supported on cmake builds yet"
+	else
+		build/libtool --mode=execute $GDB hb-shape $@
+	fi
+;;
+r|R )
+	src/dev-run.sh $@
+;;
+* )
+	exit
+;;
+esac

From a6bd6bcee08c9522f9269b5c63f784688abddcff Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 22 Feb 2018 16:52:56 +0330
Subject: [PATCH 1255/1326] [dev-run] minor

---
 src/dev-run.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dev-run.sh b/src/dev-run.sh
index 40f6463cb..3b2257b1d 100755
--- a/src/dev-run.sh
+++ b/src/dev-run.sh
@@ -48,7 +48,7 @@ d|D )
 	if [[ $CMAKENINJA ]]; then
 		echo "Not supported on cmake builds yet"
 	else
-		build/libtool --mode=execute $GDB hb-shape $@
+		build/libtool --mode=execute $GDB build/util/hb-shape $@
 	fi
 ;;
 r|R )

From 4f6f7c3b22ec788f609bdffc7e0893816657b3a0 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Fri, 23 Feb 2018 02:54:12 +0330
Subject: [PATCH 1256/1326] [util] Implement ppem/ptem on hb-{shape,view}
 (#811)

---
 util/options.cc | 33 ++++++++++++++++++++++++++++-----
 util/options.hh |  6 ++++++
 2 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/util/options.cc b/util/options.cc
index 6d8064b90..d2444a499 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -481,6 +481,25 @@ parse_font_size (const char *name G_GNUC_UNUSED,
       return false;
   }
 }
+
+static gboolean
+parse_font_ppem (const char *name G_GNUC_UNUSED,
+		 const char *arg,
+		 gpointer    data,
+		 GError    **error G_GNUC_UNUSED)
+{
+  font_options_t *font_opts = (font_options_t *) data;
+  switch (sscanf (arg, "%d%*[ ,]%d", &font_opts->x_ppem, &font_opts->y_ppem)) {
+    case 1: font_opts->y_ppem = font_opts->x_ppem;
+    case 2: return true;
+    default:
+      g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+		   "%s argument should be one or two space-separated numbers",
+		   name);
+      return false;
+  }
+}
+
 void
 font_options_t::add_options (option_parser_t *parser)
 {
@@ -513,12 +532,13 @@ font_options_t::add_options (option_parser_t *parser)
 
   GOptionEntry entries[] =
   {
-    {"font-file",	0, 0, G_OPTION_ARG_STRING,	&this->font_file,		"Set font file-name",			"filename"},
-    {"face-index",	0, 0, G_OPTION_ARG_INT,		&this->face_index,		"Set face index (default: 0)",		"index"},
+    {"font-file",	0, 0, G_OPTION_ARG_STRING,	&this->font_file,		"Set font file-name",				"filename"},
+    {"face-index",	0, 0, G_OPTION_ARG_INT,		&this->face_index,		"Set face index (default: 0)",			"index"},
     {"font-size",	0, default_font_size ? 0 : G_OPTION_FLAG_HIDDEN,
-			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_font_size,	font_size_text,				"1/2 numbers or 'upem'"},
-    /* TODO Add font-ppem / font-ptem. */
-    {"font-funcs",	0, 0, G_OPTION_ARG_STRING,	&this->font_funcs,		text,					"impl"},
+			      G_OPTION_ARG_CALLBACK,	(gpointer) &parse_font_size,	font_size_text,					"1/2 integers or 'upem'"},
+    {"font-ppem",	0, 0, G_OPTION_ARG_CALLBACK,	(gpointer) &parse_font_ppem,	"Set x,y pixels per EM (default: 0; disabled)",	"1/2 integers"},
+    {"font-ptem",	0, 0, G_OPTION_ARG_DOUBLE,	&this->ptem,			"Set font point-size (default: 0; disabled)",	"point-size"},
+    {"font-funcs",	0, 0, G_OPTION_ARG_STRING,	&this->font_funcs,		text,						"impl"},
     {nullptr}
   };
   parser->add_group (entries,
@@ -691,6 +711,9 @@ font_options_t::get_font (void) const
   if (font_size_y == FONT_SIZE_UPEM)
     font_size_y = hb_face_get_upem (face);
 
+  hb_font_set_ppem (font, x_ppem, y_ppem);
+  hb_font_set_ptem (font, ptem);
+
   int scale_x = (int) scalbnf (font_size_x, subpixel_bits);
   int scale_y = (int) scalbnf (font_size_y, subpixel_bits);
   hb_font_set_scale (font, scale_x, scale_y);
diff --git a/util/options.hh b/util/options.hh
index 411165bf2..cfbbade2f 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -452,6 +452,9 @@ struct font_options_t : option_group_t
     variations = nullptr;
     num_variations = 0;
     default_font_size = default_font_size_;
+    x_ppem = 0;
+    y_ppem = 0;
+    ptem = .0;
     subpixel_bits = subpixel_bits_;
     font_file = nullptr;
     face_index = 0;
@@ -478,6 +481,9 @@ struct font_options_t : option_group_t
   hb_variation_t *variations;
   unsigned int num_variations;
   int default_font_size;
+  int x_ppem;
+  int y_ppem;
+  double ptem;
   unsigned int subpixel_bits;
   mutable double font_size_x;
   mutable double font_size_y;

From fe42862ab30d17483a1d0c2e2b1d859d01bbaff1 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 21 Feb 2018 14:18:49 -0800
Subject: [PATCH 1257/1326] [subset] Sketch out a basic hb-ot-hdmx.hh.

---
 src/Makefile.sources    |  1 +
 src/hb-ot-hdmx-table.hh | 77 +++++++++++++++++++++++++++++++++++++++++
 src/hb-subset.cc        |  1 +
 3 files changed, 79 insertions(+)
 create mode 100644 src/hb-ot-hdmx-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index 9b96716d2..416ee44f7 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -20,6 +20,7 @@ HB_BASE_sources = \
 	hb-ot-cbdt-table.hh \
 	hb-ot-cmap-table.hh \
 	hb-ot-glyf-table.hh \
+	hb-ot-hdmx-table.hh \
 	hb-ot-head-table.hh \
 	hb-ot-hhea-table.hh \
 	hb-ot-hmtx-table.hh \
diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
new file mode 100644
index 000000000..7117a9779
--- /dev/null
+++ b/src/hb-ot-hdmx-table.hh
@@ -0,0 +1,77 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef HB_OT_HDMX_TABLE_HH
+#define HB_OT_HDMX_TABLE_HH
+
+#include "hb-open-type-private.hh"
+
+namespace OT {
+
+#define HB_OT_TAG_hdmx HB_TAG('h','d','m','x')
+
+
+struct DeviceRecord
+{
+  HBUINT8 pixel_size;
+  HBUINT8 max_width;
+  HBUINT8 widths[VAR];
+};
+
+struct hdmx
+{
+  inline unsigned int get_size (void) const
+  {
+    return min_size + num_records * size_device_record;
+  }
+
+  inline const DeviceRecord& operator [] (unsigned int i) const
+  {
+    if (unlikely (i >= num_records)) return Null(DeviceRecord);
+    return StructAtOffset<DeviceRecord> (this, min_size + i * size_device_record);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (likely (c->check_struct (this)
+                          && version == 0));
+  }
+
+  HBUINT16 version;
+  HBINT16  num_records;
+  HBINT32  size_device_record;
+
+  DeviceRecord records[VAR];
+
+  DEFINE_SIZE_MIN (8);
+
+};
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_HDMX_TABLE_HH */
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index a4794f18c..1d6e636d4 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -35,6 +35,7 @@
 #include "hb-open-file-private.hh"
 #include "hb-ot-cmap-table.hh"
 #include "hb-ot-glyf-table.hh"
+#include "hb-ot-hdmx-table.hh"
 #include "hb-ot-head-table.hh"
 #include "hb-ot-hhea-table.hh"
 #include "hb-ot-hmtx-table.hh"

From ab7a8f3b7419b604816e12cb93e77c0ba45a57af Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 21 Feb 2018 15:15:22 -0800
Subject: [PATCH 1258/1326] [subset] Begin implementing serialize for hdmx.

---
 src/hb-ot-hdmx-table.hh | 79 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 77 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index 7117a9779..a506c2940 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -36,13 +36,61 @@ namespace OT {
 
 struct DeviceRecord
 {
+  struct SubsetView
+  {
+    const DeviceRecord *source_device_record;
+    hb_subset_plan_t *subset_plan;
+
+    inline void init(const DeviceRecord *source_device_record,
+                     hb_subset_plan_t   *subset_plan)
+    {
+      this->source_device_record = source_device_record;
+      this->subset_plan = subset_plan;
+    }
+
+    inline unsigned int len () const
+    {
+      return this->subset_plan->gids_to_retain_sorted.len;
+    }
+
+    inline const HBUINT8& operator [] (unsigned int i) const
+    {
+      if (unlikely (i >= len())) return Null(HBUINT8);
+      hb_codepoint_t gid = this->subset_plan->gids_to_retain_sorted [i];
+      return this->source_device_record->widths[gid];
+    }
+  };
+
+  inline bool serialize (hb_serialize_context_t *c, const SubsetView &subset_view)
+  {
+    TRACE_SERIALIZE (this);
+
+    if (unlikely (!c->extend_min ((*this))))  return_trace (false);
+    this->pixel_size.set (subset_view.source_device_record->pixel_size);
+    this->max_width.set (subset_view.source_device_record->max_width);
+
+    for (unsigned int i = 0; i < subset_view.len(); i++)
+    {
+      HBUINT8 *width = c->extend (this->widths[i]);
+      if (unlikely (!width)) return_trace (false);
+      width->set (subset_view[i]);
+    }
+
+    return_trace (true);
+  }
+
   HBUINT8 pixel_size;
   HBUINT8 max_width;
   HBUINT8 widths[VAR];
+
+  DEFINE_SIZE_MIN (2);
 };
 
+
+
 struct hdmx
 {
+
   inline unsigned int get_size (void) const
   {
     return min_size + num_records * size_device_record;
@@ -54,6 +102,33 @@ struct hdmx
     return StructAtOffset<DeviceRecord> (this, min_size + i * size_device_record);
   }
 
+  inline bool serialize (hb_serialize_context_t *c, const hdmx *source_hdmx, hb_subset_plan_t *plan)
+  {
+    TRACE_SERIALIZE (this);
+
+    if (unlikely (!c->extend_min ((*this))))  return_trace (false);
+
+    this->version.set (source_hdmx->version);
+    this->num_records.set (source_hdmx->num_records);
+    this->size_device_record.set (source_hdmx->size_device_record);
+
+    for (unsigned int i = 0; i < source_hdmx->num_records; i++)
+    {
+      DeviceRecord::SubsetView subset_view;
+      subset_view.init (&(*source_hdmx)[i], plan);
+
+      c->start_embed<DeviceRecord> ()->serialize (c, subset_view);
+    }
+
+    return_trace (true);
+  }
+
+  inline bool subset (hb_subset_plan_t *plan) const
+  {
+    // TODO(grieger)
+    return false;
+  }
+
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -65,10 +140,10 @@ struct hdmx
   HBINT16  num_records;
   HBINT32  size_device_record;
 
-  DeviceRecord records[VAR];
-
   DEFINE_SIZE_MIN (8);
 
+ private:
+  DeviceRecord records[VAR];
 };
 
 } /* namespace OT */

From dddf44279f610e77e8b9a0819fd91f48802158b6 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 21 Feb 2018 15:36:09 -0800
Subject: [PATCH 1259/1326] [subset] When serializing a DeviceRecord in hdmx
 pad to make 32 bit aligned.

---
 src/hb-ot-hdmx-table.hh | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index a506c2940..deedd3808 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -53,6 +53,15 @@ struct DeviceRecord
       return this->subset_plan->gids_to_retain_sorted.len;
     }
 
+    inline unsigned int get_size () const
+    {
+      unsigned int raw_size = min_size + len () * HBUINT8::static_size;
+      if (raw_size % 4)
+        /* Align to 32 bits */
+        return raw_size + (4 - (raw_size % 4));
+      return raw_size;
+    }
+
     inline const HBUINT8& operator [] (unsigned int i) const
     {
       if (unlikely (i >= len())) return Null(HBUINT8);
@@ -65,16 +74,14 @@ struct DeviceRecord
   {
     TRACE_SERIALIZE (this);
 
-    if (unlikely (!c->extend_min ((*this))))  return_trace (false);
+    if (unlikely (!c->allocate_size<DeviceRecord> (subset_view.get_size())))
+      return_trace (false);
+
     this->pixel_size.set (subset_view.source_device_record->pixel_size);
     this->max_width.set (subset_view.source_device_record->max_width);
 
     for (unsigned int i = 0; i < subset_view.len(); i++)
-    {
-      HBUINT8 *width = c->extend (this->widths[i]);
-      if (unlikely (!width)) return_trace (false);
-      width->set (subset_view[i]);
-    }
+      widths[i].set (subset_view[i]);
 
     return_trace (true);
   }

From 84b68e58862647b4ede414b2e608c47d390fd60a Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 21 Feb 2018 15:43:47 -0800
Subject: [PATCH 1260/1326] [subset] In hdmx serialize set the correct value of
 sizeDeviceRecord.

---
 src/hb-ot-hdmx-table.hh | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index deedd3808..5f0d197ad 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -53,15 +53,6 @@ struct DeviceRecord
       return this->subset_plan->gids_to_retain_sorted.len;
     }
 
-    inline unsigned int get_size () const
-    {
-      unsigned int raw_size = min_size + len () * HBUINT8::static_size;
-      if (raw_size % 4)
-        /* Align to 32 bits */
-        return raw_size + (4 - (raw_size % 4));
-      return raw_size;
-    }
-
     inline const HBUINT8& operator [] (unsigned int i) const
     {
       if (unlikely (i >= len())) return Null(HBUINT8);
@@ -70,11 +61,20 @@ struct DeviceRecord
     }
   };
 
+  static inline unsigned int get_size (unsigned int count)
+  {
+    unsigned int raw_size = min_size + count * HBUINT8::static_size;
+    if (raw_size % 4)
+      /* Align to 32 bits */
+      return raw_size + (4 - (raw_size % 4));
+    return raw_size;
+  }
+
   inline bool serialize (hb_serialize_context_t *c, const SubsetView &subset_view)
   {
     TRACE_SERIALIZE (this);
 
-    if (unlikely (!c->allocate_size<DeviceRecord> (subset_view.get_size())))
+    if (unlikely (!c->allocate_size<DeviceRecord> (get_size (subset_view.len()))))
       return_trace (false);
 
     this->pixel_size.set (subset_view.source_device_record->pixel_size);
@@ -93,8 +93,6 @@ struct DeviceRecord
   DEFINE_SIZE_MIN (2);
 };
 
-
-
 struct hdmx
 {
 
@@ -117,7 +115,7 @@ struct hdmx
 
     this->version.set (source_hdmx->version);
     this->num_records.set (source_hdmx->num_records);
-    this->size_device_record.set (source_hdmx->size_device_record);
+    this->size_device_record.set (DeviceRecord::get_size (plan->gids_to_retain_sorted.len));
 
     for (unsigned int i = 0; i < source_hdmx->num_records; i++)
     {
@@ -130,6 +128,11 @@ struct hdmx
     return_trace (true);
   }
 
+  static inline unsigned int get_subsetted_size (hb_subset_plan_t *plan)
+  {
+    return min_size + DeviceRecord::get_size (plan->gids_to_retain_sorted.len);
+  }
+
   inline bool subset (hb_subset_plan_t *plan) const
   {
     // TODO(grieger)

From 6704cded65985b2de262bdd3bb0887929e5a3b0b Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 21 Feb 2018 16:00:10 -0800
Subject: [PATCH 1261/1326] [subset] Add hdmx subsetting implementation.

---
 src/hb-ot-hdmx-table.hh | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index 5f0d197ad..d25570585 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -128,15 +128,38 @@ struct hdmx
     return_trace (true);
   }
 
-  static inline unsigned int get_subsetted_size (hb_subset_plan_t *plan)
+  static inline size_t get_subsetted_size (hb_subset_plan_t *plan)
   {
     return min_size + DeviceRecord::get_size (plan->gids_to_retain_sorted.len);
   }
 
   inline bool subset (hb_subset_plan_t *plan) const
   {
-    // TODO(grieger)
-    return false;
+    size_t dest_size = get_subsetted_size (plan);
+    hdmx *dest = (hdmx *) malloc (dest_size);
+    if (unlikely (!dest))
+    {
+      DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %lu for hdmx subset output.", (unsigned long) dest_size);
+      return false;
+    }
+
+    hb_serialize_context_t c (dest, dest_size);
+    hdmx *hdmx_prime = c.start_serialize<hdmx> ();
+    if (!hdmx_prime || !hdmx_prime->serialize (&c, this, plan)) {
+      free (dest);
+      return false;
+    }
+    c.end_serialize ();
+
+    hb_blob_t *hdmx_prime_blob = hb_blob_create ((const char *) dest,
+                                                 dest_size,
+                                                 HB_MEMORY_MODE_READONLY,
+                                                 dest,
+                                                 free);
+    bool result = hb_subset_plan_add_table (plan, HB_OT_TAG_hdmx, hdmx_prime_blob);
+    hb_blob_destroy (hdmx_prime_blob);
+
+    return result;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) const

From bd18b6adf8697c1ce3f4e3831b9f2a99d930e97d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 21 Feb 2018 17:42:58 -0800
Subject: [PATCH 1262/1326] [subset] Move DeviceRecord inside of hdmx.

---
 src/hb-ot-hdmx-table.hh | 118 ++++++++++++++++++++--------------------
 1 file changed, 60 insertions(+), 58 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index d25570585..6bf492cbf 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -34,67 +34,69 @@ namespace OT {
 #define HB_OT_TAG_hdmx HB_TAG('h','d','m','x')
 
 
-struct DeviceRecord
-{
-  struct SubsetView
-  {
-    const DeviceRecord *source_device_record;
-    hb_subset_plan_t *subset_plan;
-
-    inline void init(const DeviceRecord *source_device_record,
-                     hb_subset_plan_t   *subset_plan)
-    {
-      this->source_device_record = source_device_record;
-      this->subset_plan = subset_plan;
-    }
-
-    inline unsigned int len () const
-    {
-      return this->subset_plan->gids_to_retain_sorted.len;
-    }
-
-    inline const HBUINT8& operator [] (unsigned int i) const
-    {
-      if (unlikely (i >= len())) return Null(HBUINT8);
-      hb_codepoint_t gid = this->subset_plan->gids_to_retain_sorted [i];
-      return this->source_device_record->widths[gid];
-    }
-  };
-
-  static inline unsigned int get_size (unsigned int count)
-  {
-    unsigned int raw_size = min_size + count * HBUINT8::static_size;
-    if (raw_size % 4)
-      /* Align to 32 bits */
-      return raw_size + (4 - (raw_size % 4));
-    return raw_size;
-  }
-
-  inline bool serialize (hb_serialize_context_t *c, const SubsetView &subset_view)
-  {
-    TRACE_SERIALIZE (this);
-
-    if (unlikely (!c->allocate_size<DeviceRecord> (get_size (subset_view.len()))))
-      return_trace (false);
-
-    this->pixel_size.set (subset_view.source_device_record->pixel_size);
-    this->max_width.set (subset_view.source_device_record->max_width);
-
-    for (unsigned int i = 0; i < subset_view.len(); i++)
-      widths[i].set (subset_view[i]);
-
-    return_trace (true);
-  }
-
-  HBUINT8 pixel_size;
-  HBUINT8 max_width;
-  HBUINT8 widths[VAR];
-
-  DEFINE_SIZE_MIN (2);
-};
 
 struct hdmx
 {
+  static const hb_tag_t tableTag = HB_OT_TAG_glyf;
+
+  struct DeviceRecord
+  {
+    struct SubsetView
+    {
+      const DeviceRecord *source_device_record;
+      hb_subset_plan_t *subset_plan;
+
+      inline void init(const DeviceRecord *source_device_record,
+                       hb_subset_plan_t   *subset_plan)
+      {
+        this->source_device_record = source_device_record;
+        this->subset_plan = subset_plan;
+      }
+
+      inline unsigned int len () const
+      {
+        return this->subset_plan->gids_to_retain_sorted.len;
+      }
+
+      inline const HBUINT8& operator [] (unsigned int i) const
+      {
+        if (unlikely (i >= len())) return Null(HBUINT8);
+        hb_codepoint_t gid = this->subset_plan->gids_to_retain_sorted [i];
+        return this->source_device_record->widths[gid];
+      }
+    };
+
+    static inline unsigned int get_size (unsigned int count)
+    {
+      unsigned int raw_size = min_size + count * HBUINT8::static_size;
+      if (raw_size % 4)
+        /* Align to 32 bits */
+        return raw_size + (4 - (raw_size % 4));
+      return raw_size;
+    }
+
+    inline bool serialize (hb_serialize_context_t *c, const SubsetView &subset_view)
+    {
+      TRACE_SERIALIZE (this);
+
+      if (unlikely (!c->allocate_size<DeviceRecord> (get_size (subset_view.len()))))
+        return_trace (false);
+
+      this->pixel_size.set (subset_view.source_device_record->pixel_size);
+      this->max_width.set (subset_view.source_device_record->max_width);
+
+      for (unsigned int i = 0; i < subset_view.len(); i++)
+        widths[i].set (subset_view[i]);
+
+      return_trace (true);
+    }
+
+    HBUINT8 pixel_size;
+    HBUINT8 max_width;
+    HBUINT8 widths[VAR];
+
+    DEFINE_SIZE_MIN (2);
+  };
 
   inline unsigned int get_size (void) const
   {

From aa4aa2353c52f86fd56446de6b7ff86a9e990b9c Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 21 Feb 2018 17:43:32 -0800
Subject: [PATCH 1263/1326] [subset] Enable hdmx subsetting.

---
 src/hb-subset.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 1d6e636d4..a9f599f93 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -230,6 +230,9 @@ _subset_table (hb_subset_plan_t *plan,
     case HB_OT_TAG_glyf:
       result = _subset<const OT::glyf> (plan);
       break;
+    case HB_OT_TAG_hdmx:
+      result = _subset<const OT::hdmx> (plan);
+      break;
     case HB_OT_TAG_head:
       // SKIP head, it's handled by glyf
       result = true;

From 15fc45bfedef433025145289fe916739907b573b Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 21 Feb 2018 17:59:57 -0800
Subject: [PATCH 1264/1326] [subset] Add a unit test for hdmx subsetting.

---
 test/api/Makefile.am        |  2 +
 test/api/test-subset-hdmx.c | 81 +++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 test/api/test-subset-hdmx.c

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index ecf447545..e2e6166c0 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -33,6 +33,7 @@ TEST_PROGS = \
 	test-shape \
 	test-subset-cmap \
 	test-subset-glyf \
+	test-subset-hdmx \
 	test-subset-hmtx \
 	test-subset-os2 \
 	test-unicode \
@@ -42,6 +43,7 @@ TEST_PROGS = \
 test_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_cmap_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_glyf_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
+test_subset_hdmx_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_hmtx_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_os2_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 
diff --git a/test/api/test-subset-hdmx.c b/test/api/test-subset-hdmx.c
new file mode 100644
index 000000000..291eb7937
--- /dev/null
+++ b/test/api/test-subset-hdmx.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include <stdbool.h>
+
+#include "hb-test.h"
+#include "hb-subset-test.h"
+
+/* Unit tests for hdmx subsetting */
+
+
+static void
+test_subset_hdmx_simple_subset (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Roboto-Regular.abc.ttf");
+  hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.ttf");
+
+  hb_set_t *codepoints = hb_set_create ();
+  hb_set_add (codepoints, 'a');
+  hb_set_add (codepoints, 'c');
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('h','d','m','x'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+  hb_face_destroy (face_ac);
+}
+
+static void
+test_subset_hdmx_noop (void)
+{
+  hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
+
+  hb_set_t *codepoints = hb_set_create();
+  hb_set_add (codepoints, 'a');
+  hb_set_add (codepoints, 'b');
+  hb_set_add (codepoints, 'c');
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('h','d','m','x'));
+
+  hb_face_destroy (face_abc_subset);
+  hb_face_destroy (face_abc);
+}
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_subset_hdmx_simple_subset);
+  hb_test_add (test_subset_hdmx_noop);
+
+  return hb_test_run();
+}

From ec302ad5bda6bea870f6d33f9698a1782472a213 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 22 Feb 2018 11:57:35 -0800
Subject: [PATCH 1265/1326] [subset] Fail subset if a table fails to sanitize.

---
 src/hb-subset.cc | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index a9f599f93..b7d3e3710 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -83,16 +83,19 @@ template<typename TableType>
 static bool
 _subset (hb_subset_plan_t *plan)
 {
-    OT::Sanitizer<TableType> sanitizer;
-    hb_blob_t *source_blob = sanitizer.sanitize (plan->source->reference_table (TableType::tableTag));
-    const TableType *table = OT::Sanitizer<TableType>::lock_instance (source_blob);
-    hb_bool_t result = table->subset(plan);
+  OT::Sanitizer<TableType> sanitizer;
 
-    hb_blob_destroy (source_blob);
+  hb_blob_t *source_blob = sanitizer.sanitize (plan->source->reference_table (TableType::tableTag));
+  const TableType *table = OT::Sanitizer<TableType>::lock_instance (source_blob);
 
-    hb_tag_t tag = TableType::tableTag;
-    DEBUG_MSG(SUBSET, nullptr, "OT::%c%c%c%c::subset %s", HB_UNTAG(tag), result ? "success" : "FAILED!");
-    return result;
+  hb_bool_t result = false;
+  if (table != &OT::Null(TableType))
+    result = table->subset(plan);
+
+  hb_blob_destroy (source_blob);
+  hb_tag_t tag = TableType::tableTag;
+  DEBUG_MSG(SUBSET, nullptr, "OT::%c%c%c%c::subset %s", HB_UNTAG(tag), result ? "success" : "FAILED!");
+  return result;
 }
 
 

From 6b372f439b257808b048d02ebf5a867dabcd1231 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 22 Feb 2018 12:00:00 -0800
Subject: [PATCH 1266/1326] [subset] In hb-ot-hdmx-table, s/glyf/hdmx.

---
 src/hb-ot-hdmx-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index 6bf492cbf..90d7448b0 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -37,7 +37,7 @@ namespace OT {
 
 struct hdmx
 {
-  static const hb_tag_t tableTag = HB_OT_TAG_glyf;
+  static const hb_tag_t tableTag = HB_OT_TAG_hdmx;
 
   struct DeviceRecord
   {

From c02532a3d2325c8fb9332f63f687cbaec77b2239 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 22 Feb 2018 16:40:50 -0800
Subject: [PATCH 1267/1326] [subset] Formatting and comments in hdmx.

---
 src/hb-ot-hdmx-table.hh | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index 90d7448b0..1d9fe07b7 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -31,10 +31,12 @@
 
 namespace OT {
 
+/*
+ * hdmx - Horizontal Device Metric
+ */
+
 #define HB_OT_TAG_hdmx HB_TAG('h','d','m','x')
 
-
-
 struct hdmx
 {
   static const hb_tag_t tableTag = HB_OT_TAG_hdmx;
@@ -91,10 +93,15 @@ struct hdmx
       return_trace (true);
     }
 
-    HBUINT8 pixel_size;
-    HBUINT8 max_width;
-    HBUINT8 widths[VAR];
+    inline bool sanitize (hb_sanitize_context_t *c) const
+    {
+      TRACE_SANITIZE (this);
+      return_trace (likely (c->check_struct (this)));
+    }
 
+    HBUINT8 pixel_size;   /* Pixel size for following widths (as ppem). */
+    HBUINT8 max_width;    /* Maximum width. */
+    HBUINT8 widths[VAR];  /* Array of widths (numGlyphs is from the 'maxp' table). */
     DEFINE_SIZE_MIN (2);
   };
 
@@ -171,14 +178,14 @@ struct hdmx
                           && version == 0));
   }
 
-  HBUINT16 version;
-  HBINT16  num_records;
-  HBINT32  size_device_record;
-
-  DEFINE_SIZE_MIN (8);
-
+ public:
+  HBUINT16 version;            /* Table version number (0) */
+  HBINT16  num_records;        /* Number of device records. */
+  HBINT32  size_device_record; /* Size of a device record, 32-bit aligned. */
  private:
-  DeviceRecord records[VAR];
+  DeviceRecord records[VAR];   /* Array of device records. */
+ public:
+  DEFINE_SIZE_MIN (8);
 };
 
 } /* namespace OT */

From 96d7805a9235443972c6b6c5cd9502283c8836e9 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 22 Feb 2018 16:48:28 -0800
Subject: [PATCH 1268/1326] [subset] More complete sanitization implementation
 for hdmx.

---
 src/hb-ot-hdmx-table.hh | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index 1d9fe07b7..0033e3ec2 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -93,10 +93,11 @@ struct hdmx
       return_trace (true);
     }
 
-    inline bool sanitize (hb_sanitize_context_t *c) const
+    inline bool sanitize (hb_sanitize_context_t *c, unsigned int size_device_record) const
     {
       TRACE_SANITIZE (this);
-      return_trace (likely (c->check_struct (this)));
+      return_trace (likely (c->check_struct (this)
+                            && c->check_range (this, size_device_record)));
     }
 
     HBUINT8 pixel_size;   /* Pixel size for following widths (as ppem). */
@@ -174,8 +175,17 @@ struct hdmx
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)
-                          && version == 0));
+    if (unlikely (!c->check_struct (this) || version != 0))
+      return_trace (false);
+    if (unlikely (!c->check_range (this, get_size())))
+      return_trace (false);
+
+    for (unsigned int i = 0; i < num_records; i++)
+    {
+      if (unlikely (!records[i].sanitize (c, size_device_record)))
+        return_trace (false);
+    }
+    return_trace (true);
   }
 
  public:

From cf7a6e520e9601da9d27bc8f6bbe5d2eff23998d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 23 Feb 2018 10:34:26 -0800
Subject: [PATCH 1269/1326] [hdmx] Move DeviceRecord to toplevel again

More readable.
---
 src/hb-ot-hdmx-table.hh | 132 ++++++++++++++++++++--------------------
 1 file changed, 67 insertions(+), 65 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index 0033e3ec2..d13d7aac5 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -31,81 +31,83 @@
 
 namespace OT {
 
+
 /*
  * hdmx - Horizontal Device Metric
  */
 
 #define HB_OT_TAG_hdmx HB_TAG('h','d','m','x')
 
+struct DeviceRecord
+{
+  struct SubsetView
+  {
+    const DeviceRecord *source_device_record;
+    hb_subset_plan_t *subset_plan;
+
+    inline void init(const DeviceRecord *source_device_record,
+		     hb_subset_plan_t   *subset_plan)
+    {
+      this->source_device_record = source_device_record;
+      this->subset_plan = subset_plan;
+    }
+
+    inline unsigned int len () const
+    {
+      return this->subset_plan->gids_to_retain_sorted.len;
+    }
+
+    inline const HBUINT8& operator [] (unsigned int i) const
+    {
+      if (unlikely (i >= len())) return Null(HBUINT8);
+      hb_codepoint_t gid = this->subset_plan->gids_to_retain_sorted [i];
+      return this->source_device_record->widths[gid];
+    }
+  };
+
+  static inline unsigned int get_size (unsigned int count)
+  {
+    unsigned int raw_size = min_size + count * HBUINT8::static_size;
+    if (raw_size % 4)
+      /* Align to 32 bits */
+      return raw_size + (4 - (raw_size % 4));
+    return raw_size;
+  }
+
+  inline bool serialize (hb_serialize_context_t *c, const SubsetView &subset_view)
+  {
+    TRACE_SERIALIZE (this);
+
+    if (unlikely (!c->allocate_size<DeviceRecord> (get_size (subset_view.len()))))
+      return_trace (false);
+
+    this->pixel_size.set (subset_view.source_device_record->pixel_size);
+    this->max_width.set (subset_view.source_device_record->max_width);
+
+    for (unsigned int i = 0; i < subset_view.len(); i++)
+      widths[i].set (subset_view[i]);
+
+    return_trace (true);
+  }
+
+  inline bool sanitize (hb_sanitize_context_t *c, unsigned int size_device_record) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (likely (c->check_struct (this) &&
+			  c->check_range (this, size_device_record)));
+  }
+
+  HBUINT8 pixel_size;   /* Pixel size for following widths (as ppem). */
+  HBUINT8 max_width;    /* Maximum width. */
+  HBUINT8 widths[VAR];  /* Array of widths (numGlyphs is from the 'maxp' table). */
+  DEFINE_SIZE_MIN (2);
+};
+
+
 struct hdmx
 {
   static const hb_tag_t tableTag = HB_OT_TAG_hdmx;
 
-  struct DeviceRecord
-  {
-    struct SubsetView
-    {
-      const DeviceRecord *source_device_record;
-      hb_subset_plan_t *subset_plan;
-
-      inline void init(const DeviceRecord *source_device_record,
-                       hb_subset_plan_t   *subset_plan)
-      {
-        this->source_device_record = source_device_record;
-        this->subset_plan = subset_plan;
-      }
-
-      inline unsigned int len () const
-      {
-        return this->subset_plan->gids_to_retain_sorted.len;
-      }
-
-      inline const HBUINT8& operator [] (unsigned int i) const
-      {
-        if (unlikely (i >= len())) return Null(HBUINT8);
-        hb_codepoint_t gid = this->subset_plan->gids_to_retain_sorted [i];
-        return this->source_device_record->widths[gid];
-      }
-    };
-
-    static inline unsigned int get_size (unsigned int count)
-    {
-      unsigned int raw_size = min_size + count * HBUINT8::static_size;
-      if (raw_size % 4)
-        /* Align to 32 bits */
-        return raw_size + (4 - (raw_size % 4));
-      return raw_size;
-    }
-
-    inline bool serialize (hb_serialize_context_t *c, const SubsetView &subset_view)
-    {
-      TRACE_SERIALIZE (this);
-
-      if (unlikely (!c->allocate_size<DeviceRecord> (get_size (subset_view.len()))))
-        return_trace (false);
-
-      this->pixel_size.set (subset_view.source_device_record->pixel_size);
-      this->max_width.set (subset_view.source_device_record->max_width);
-
-      for (unsigned int i = 0; i < subset_view.len(); i++)
-        widths[i].set (subset_view[i]);
-
-      return_trace (true);
-    }
-
-    inline bool sanitize (hb_sanitize_context_t *c, unsigned int size_device_record) const
-    {
-      TRACE_SANITIZE (this);
-      return_trace (likely (c->check_struct (this)
-                            && c->check_range (this, size_device_record)));
-    }
-
-    HBUINT8 pixel_size;   /* Pixel size for following widths (as ppem). */
-    HBUINT8 max_width;    /* Maximum width. */
-    HBUINT8 widths[VAR];  /* Array of widths (numGlyphs is from the 'maxp' table). */
-    DEFINE_SIZE_MIN (2);
-  };
-
   inline unsigned int get_size (void) const
   {
     return min_size + num_records * size_device_record;

From 84d4bb91ceca22484abb597c19eb18311e2514f1 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 23 Feb 2018 10:38:35 -0800
Subject: [PATCH 1270/1326] [hdmx] Minor

---
 src/hb-ot-hdmx-table.hh | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index d13d7aac5..a4491518d 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -100,7 +100,8 @@ struct DeviceRecord
   HBUINT8 pixel_size;   /* Pixel size for following widths (as ppem). */
   HBUINT8 max_width;    /* Maximum width. */
   HBUINT8 widths[VAR];  /* Array of widths (numGlyphs is from the 'maxp' table). */
-  DEFINE_SIZE_MIN (2);
+  public:
+  DEFINE_SIZE_ARRAY (2, widths);
 };
 
 
@@ -164,10 +165,10 @@ struct hdmx
     c.end_serialize ();
 
     hb_blob_t *hdmx_prime_blob = hb_blob_create ((const char *) dest,
-                                                 dest_size,
-                                                 HB_MEMORY_MODE_READONLY,
-                                                 dest,
-                                                 free);
+						 dest_size,
+						 HB_MEMORY_MODE_READONLY,
+						 dest,
+						 free);
     bool result = hb_subset_plan_add_table (plan, HB_OT_TAG_hdmx, hdmx_prime_blob);
     hb_blob_destroy (hdmx_prime_blob);
 
@@ -185,17 +186,17 @@ struct hdmx
     for (unsigned int i = 0; i < num_records; i++)
     {
       if (unlikely (!records[i].sanitize (c, size_device_record)))
-        return_trace (false);
+	return_trace (false);
     }
     return_trace (true);
   }
 
  public:
-  HBUINT16 version;            /* Table version number (0) */
-  HBINT16  num_records;        /* Number of device records. */
-  HBINT32  size_device_record; /* Size of a device record, 32-bit aligned. */
+  HBUINT16	version;		/* Table version number (0) */
+  HBUINT16	num_records;		/* Number of device records. */
+  HBUINT32	size_device_record;	/* Size of a device record, 32-bit aligned. */
  private:
-  DeviceRecord records[VAR];   /* Array of device records. */
+  DeviceRecord records[VAR];		/* Array of device records. */
  public:
   DEFINE_SIZE_MIN (8);
 };

From c2e4713b5b561675b0f7b358ccf83d64ef0b6c41 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 23 Feb 2018 10:45:03 -0800
Subject: [PATCH 1271/1326] [hdmx] Fix sanitize()

---
 src/hb-ot-hdmx-table.hh | 23 +++++++----------------
 1 file changed, 7 insertions(+), 16 deletions(-)

diff --git a/src/hb-ot-hdmx-table.hh b/src/hb-ot-hdmx-table.hh
index a4491518d..f08fe39d8 100644
--- a/src/hb-ot-hdmx-table.hh
+++ b/src/hb-ot-hdmx-table.hh
@@ -178,27 +178,18 @@ struct hdmx
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    if (unlikely (!c->check_struct (this) || version != 0))
-      return_trace (false);
-    if (unlikely (!c->check_range (this, get_size())))
-      return_trace (false);
-
-    for (unsigned int i = 0; i < num_records; i++)
-    {
-      if (unlikely (!records[i].sanitize (c, size_device_record)))
-	return_trace (false);
-    }
-    return_trace (true);
+    return_trace (c->check_struct (this) && version == 0 &&
+		  !_hb_unsigned_int_mul_overflows (num_records, size_device_record) &&
+		  c->check_range (this, get_size()));
   }
 
- public:
+  protected:
   HBUINT16	version;		/* Table version number (0) */
   HBUINT16	num_records;		/* Number of device records. */
   HBUINT32	size_device_record;	/* Size of a device record, 32-bit aligned. */
- private:
-  DeviceRecord records[VAR];		/* Array of device records. */
- public:
-  DEFINE_SIZE_MIN (8);
+  HBUINT8	data[VAR];		/* Array of device records. */
+  public:
+  DEFINE_SIZE_ARRAY (8, data);
 };
 
 } /* namespace OT */

From 537698b60131bd3d7999919a04596c41dda6b2e4 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 22 Feb 2018 14:07:52 -0800
Subject: [PATCH 1272/1326] [subset] Don't compare actual to itself in Fix
 test/subset/run-tests. Print a diff on failure.

---
 test/subset/run-tests.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index f648627ec..0dc14f382 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -6,6 +6,7 @@
 from __future__ import print_function
 
 import io
+from difflib import unified_diff
 import os
 import re
 import subprocess
@@ -59,9 +60,12 @@ def run_test(test):
 		return fail_test(test, cli_args, "ttx (actual) returned %d" % (return_code))
 
 	expected_ttx = strip_check_sum (expected_ttx)
-	actual_ttx = strip_check_sum (expected_ttx)
+	actual_ttx = strip_check_sum (actual_ttx)
 
 	if not actual_ttx == expected_ttx:
+		for line in unified_diff(expected_ttx.splitlines(1), actual_ttx.splitlines(1)):
+			sys.stdout.write(line)
+		sys.stdout.flush()
 		return fail_test(test, cli_args, 'ttx for expected and actual does not match.')
 
 	return 0

From a88504c601ac95601730bd602861c13e5ac4fdd8 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 22 Feb 2018 14:28:18 -0800
Subject: [PATCH 1273/1326] [subset] Fix checksum clearning in subset test
 diff. Add an updated expected file (has cmap4 restored).

---
 .../basics/Roboto-Regular.abc.default.62.ttf  | Bin 1692 -> 1740 bytes
 test/subset/run-tests.py                      |   7 +++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf b/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf
index 501d1d288c38e4ed350fe0fd177e11e8b6fb224c..52706dc90320133d24a0a6c3109b9d1ef1bf8ec7 100644
GIT binary patch
delta 493
zcmX|-%_~Gv7{;Ib>E6jlGo%=4%IuV6A>t3fQWkdRny(vkxtWPUntx!5nk|vl$bwKx
z(kv_}D>XYyOKA!<P0aP289AqO-uL&sALs4tw>`D(b?4+M0FkI;xd=+{fP6)skFIAz
zgT<BuK<^^YCETR5QH`7eN-H4UCats!1D%YQ7;jCcHWQ^Y>5=|7&z&7}vZki`*smz!
zcHD}6FFkLu_LV$pQ}Eqr$H+krQwZBmCTp0eu%M4@q*kLA7U)5G;iWrP)|E#TQ#?)%
ztyoT6zV>}EWRu6-)pW*l5F;OnxVsj2j}tWxq&~1_8Zz?Un;O!AcJv@|5$Fy21LNm~
zJ?$hXu|mc!x-kb0f<zW2&Zhsdn5B_75LoUnCKoy;ztCeeQtvDNA>ovz+0R<=r)&-z
zX`;ynjiuxfQ+JRT^)0D7KhT`61?w~BaI-gs|0Nf)Qe=uK-ctF68m;no`sfK=Sbi-g
bp&~@9atnRY^P0DJ*z9~+m9~|_gl_!;PVr#o

delta 418
zcmXX?JxIeq7=5`UZBkOj9|~57fE@(ENu-0Ipo8uXF4D%NZG^@KTWmz6yL6~@)x}A4
zaBy%DQE(9)oW#*p=ui+rrC48D5AN=JKi|8br}%Nak*G-lfUNCVJ_hj(NG;+id$(dv
zpG8jqb%J;;?-#u4SM~xBqx9Sqtg;UcBS54<-6$0I@^_cgBmH6Ct?PJ!t|~El-$LEZ
zSx&dAFS71%&bcIvq<BXS(kzLT>s10xN1F|=#9FarTgb42>T`*BR^W><u|R#D*xa_f
zoVbpCP)ZZ0{ZhHo_23YPe$(H{`KS3GUPyjs&nhIcVsd!1vAmQSod3kQMgnji+Cwv8
z@p68cK)u^i%t#1zh;ZXzW3>2d0LlUC*ig(~RA1|_q92are@}Q6Fu?O5Qea$jMPyC6
i4yPB<i-f}OQE8JPgWm+>sx9_qGJNz==f1fWvHt+9ZBOO^

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 0dc14f382..b1dc7bef3 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -77,8 +77,11 @@ def run_ttx(file):
 	return cmd(cli_args)
 
 def strip_check_sum (ttx_string):
-	return re.sub ('checksumAdjustment value=["]0x(\d+)["]',
-		       'checksumAdjustment value="0x00000000"',
+#	return re.sub ('checkSumAdjustment value=["]0x(\d+)["]',
+#		       'checkSumAdjustment value="0x00000000"',
+#		       ttx_string, count=1)
+	return re.sub ('checkSumAdjustment value=["]0x([0-9a-fA-F])+["]',
+                       'checkSumAdjustment value="0x00000000"',
 		       ttx_string, count=1)
 
 args = sys.argv[1:]

From 2b844803433bd1557a7fd0c93a91c66ef5319b21 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 22 Feb 2018 18:38:44 -0800
Subject: [PATCH 1274/1326] [subset] Update expected files for subsetting
 integration test to not include cmap 4.

---
 .../basics/Roboto-Regular.abc.default.62.ttf  | Bin 1740 -> 1692 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf b/test/subset/data/expected/basics/Roboto-Regular.abc.default.62.ttf
index 52706dc90320133d24a0a6c3109b9d1ef1bf8ec7..8d7e6b2279e0d37a78ad39cb522cc85c13269a24 100644
GIT binary patch
delta 125
zcmX@ZJBN3IqB%dqPX-32Ees3{8p&lP3fe2!=Q1#`J^}JW(hAaZ%YP)S2Fl-IU|`&n
zo>*MKz`-EQz`!<PVnn^71yGSiL4I+`|6GO?pkM)zuTW5wTCgbX*GUEjmKhU&d}TIU
Zy>Rje#^aof49pB%Km|OTKQP^41^}<KB*g##

delta 173
zcmbQkdxm#{qPaBVI|c@(Ees3{5y@pG3fe2!=Q1#`i2(T_X$9%I<v$WuGcYjoFfcIg
zNlz>;VBla72Ff3p7*Vg70aRpBkY8N#KbIi|D7XN~S12e-Em)NH>m&mM%ZZ6UzB0?L
yNT2+H@wg>3P!fb?fFvW7<^s|-3@i)^K$-;zLE=gO|3k?C^TB+E%?Ft7FarP_87jd5


From e15e41ef12e146333e355defef8db210378b5be0 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Thu, 22 Feb 2018 18:41:50 -0800
Subject: [PATCH 1275/1326] [subset] Remove commented code from run-tests.py.

---
 test/subset/run-tests.py | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index b1dc7bef3..99f97826e 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -77,9 +77,6 @@ def run_ttx(file):
 	return cmd(cli_args)
 
 def strip_check_sum (ttx_string):
-#	return re.sub ('checkSumAdjustment value=["]0x(\d+)["]',
-#		       'checkSumAdjustment value="0x00000000"',
-#		       ttx_string, count=1)
 	return re.sub ('checkSumAdjustment value=["]0x([0-9a-fA-F])+["]',
                        'checkSumAdjustment value="0x00000000"',
 		       ttx_string, count=1)

From 9bd6d25254d9bfc612004982dba286a3751d1d29 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 23 Feb 2018 13:05:58 -0800
Subject: [PATCH 1276/1326] [subset] clone trim logic from fonttools glyf
 handling

---
 src/hb-ot-glyf-table.hh                      |  92 ++++++++++++++++++-
 src/hb-subset-glyf.cc                        |  26 +++---
 src/hb-subset-plan.cc                        |   3 +
 src/hb-subset.cc                             |  13 +--
 test/api/fonts/Roboto-Regular.ac.nohints.ttf | Bin 1128 -> 848 bytes
 test/api/hb-subset-test.h                    |   1 +
 test/api/test-subset-glyf.c                  |   6 +-
 7 files changed, 117 insertions(+), 24 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 667dfb52d..4b938017b 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -267,7 +267,7 @@ struct glyf
 			       CompositeGlyphHeader::Iterator *composite /* OUT */) const
     {
       unsigned int start_offset, end_offset;
-      if (!get_offsets (glyph, &start_offset, &end_offset))
+      if (!get_offsets (glyph, /* trim */ false, &start_offset, &end_offset))
         return false; /* glyph not found */
 
       return CompositeGlyphHeader::get_iterator ((const char*) this->glyf_table + start_offset,
@@ -275,7 +275,91 @@ struct glyf
 						 composite);
     }
 
+    /* based on FontTools _g_l_y_f.py::trim */
+    inline bool trim_glyph(unsigned int start_offset,
+                           unsigned int *end_offset) const
+    {
+      static const int FLAG_X_SHORT = 0x02;
+      static const int FLAG_Y_SHORT = 0x04;
+      static const int FLAG_REPEAT = 0x08;
+      static const int FLAG_X_SAME = 0x10;
+      static const int FLAG_Y_SAME = 0x20;
+
+      if (*end_offset - start_offset < GlyphHeader::static_size)
+        return false;
+
+      const char *glyph = ((const char *) glyf_table) + start_offset;
+      const char * const glyph_end = glyph + (*end_offset - start_offset);
+      const GlyphHeader &glyph_header = StructAtOffset<GlyphHeader> (glyph, 0);
+      int16_t num_contours = (int16_t) glyph_header.numberOfContours;
+
+      if (num_contours < 0)
+        return true; /* no trimming for composites just yet */
+      else if (num_contours > 0)
+      {
+        unsigned int glyph_len = *end_offset - start_offset;
+        /* simple glyph w/contours, possibly trimmable */
+        glyph += GlyphHeader::static_size + 2 * num_contours;
+
+        if (unlikely (glyph + 2 >= glyph_end)) return false;
+        uint16_t nCoordinates = (uint16_t) StructAtOffset<HBUINT16>(glyph - 2, 0) + 1;
+        uint16_t nInstructions = (uint16_t) StructAtOffset<HBUINT16>(glyph, 0);
+
+        glyph += 2 + nInstructions;
+        if (unlikely (glyph + 2 >= glyph_end)) return false;
+
+        unsigned int coordBytes = 0;
+        unsigned int coordsWithFlags = 0;
+        while (glyph < glyph_end)
+        {
+          uint8_t flag = (uint8_t) *glyph;
+          glyph++; i++;
+
+          unsigned int repeat = 1;
+          if (flag & FLAG_REPEAT)
+          {
+            if (glyph >= glyph_end)
+            {
+              DEBUG_MSG(SUBSET, nullptr, "Bad flag");
+              return false;
+            }
+            repeat = ((uint8_t) *glyph) + 1;
+            glyph++; i++;
+          }
+
+          unsigned int xBytes, yBytes;
+          xBytes = yBytes = 0;
+          if (flag & FLAG_X_SHORT)
+            xBytes = 1;
+          else if ((flag & FLAG_X_SAME) == 0)
+            xBytes = 2;
+
+          if (flag & FLAG_Y_SHORT)
+            yBytes = 1;
+          else if ((flag & FLAG_Y_SAME) == 0)
+            yBytes = 2;
+
+          coordBytes += (xBytes + yBytes) * repeat;
+          coordsWithFlags += repeat;
+          if (coordsWithFlags >= nCoordinates)
+            break;
+        }
+
+        if (coordsWithFlags != nCoordinates)
+        {
+          DEBUG_MSG(SUBSET, nullptr, "Expect %d coords to have flags, got flags for %d", nCoordinates, coordsWithFlags);
+          return false;
+        }
+        glyph += coordBytes;
+
+        if (glyph < glyph_end)
+          *end_offset -= glyph_end - glyph;
+      }
+      return true;
+    }
+
     inline bool get_offsets (hb_codepoint_t  glyph,
+                             bool trim,
                              unsigned int   *start_offset /* OUT */,
                              unsigned int   *end_offset   /* OUT */) const
     {
@@ -291,6 +375,7 @@ struct glyf
       else
       {
         const HBUINT32 *offsets = (const HBUINT32 *) loca_table->dataX;
+
 	*start_offset = offsets[glyph];
 	*end_offset   = offsets[glyph + 1];
       }
@@ -298,6 +383,9 @@ struct glyf
       if (*start_offset > *end_offset || *end_offset > glyf_len)
 	return false;
 
+      if (trim)
+        return trim_glyph(*start_offset, end_offset);
+
       return true;
     }
 
@@ -350,7 +438,7 @@ struct glyf
 			     hb_glyph_extents_t *extents) const
     {
       unsigned int start_offset, end_offset;
-      if (!get_offsets (glyph, &start_offset, &end_offset))
+      if (!get_offsets (glyph, /* trim */ false, &start_offset, &end_offset))
         return false;
 
       if (end_offset - start_offset < GlyphHeader::static_size)
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 867810fb7..052af3f4d 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -43,12 +43,18 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
   for (unsigned int i = 0; i < glyph_ids.len; i++)
   {
     hb_codepoint_t next_glyph = glyph_ids[i];
+    *(instruction_ranges->push()) = 0;
+    *(instruction_ranges->push()) = 0;
+
     unsigned int start_offset, end_offset;
-    if (unlikely (!glyf.get_offsets(next_glyph, &start_offset, &end_offset)))
+    if (unlikely (!glyf.get_offsets(next_glyph, /* trim */ true, &start_offset, &end_offset)))
     {
       DEBUG_MSG(SUBSET, nullptr, "Invalid gid %d", next_glyph);
       continue;
     }
+    if (end_offset - start_offset < OT::glyf::GlyphHeader::static_size)
+      continue; /* 0-length glyph */
+
     unsigned int instruction_start = 0, instruction_end = 0;
     if (drop_hints)
     {
@@ -58,12 +64,13 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
         DEBUG_MSG(SUBSET, nullptr, "Unable to get instruction offsets for %d", next_glyph);
         return false;
       }
+      instruction_ranges->array[i * 2] = instruction_start;
+      instruction_ranges->array[i * 2 + 1] = instruction_end;
     }
-    *(instruction_ranges->push()) = instruction_start;
-    *(instruction_ranges->push()) = instruction_end;
 
     total += end_offset - start_offset - (instruction_end - instruction_start);
-    fprintf(stderr, "  %d ends at %d (was %d to %d, remove %d)\n", next_glyph, total, start_offset, end_offset, instruction_end - instruction_start);
+    /* round2 so short loca will work */
+    total += total % 2;
   }
 
   *glyf_size = total;
@@ -147,12 +154,13 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
   for (unsigned int i = 0; i < glyph_ids.len; i++)
   {
     unsigned int start_offset, end_offset;
-    if (unlikely (!glyf.get_offsets (glyph_ids[i], &start_offset, &end_offset)))
+    if (unlikely (!glyf.get_offsets (glyph_ids[i], /* trim */ true, &start_offset, &end_offset)))
       end_offset = start_offset = 0;
     unsigned int instruction_start = instruction_ranges[i * 2];
     unsigned int instruction_end = instruction_ranges[i * 2 + 1];
 
     int length = end_offset - start_offset - (instruction_end - instruction_start);
+    length += length % 2;
 
     if (glyf_prime_data_next + length > glyf_prime_data + glyf_prime_size)
     {
@@ -164,21 +172,17 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
     }
 
     if (instruction_start == instruction_end)
-    {
-      fprintf(stderr, "i=%d copy %d bytes from %d to %ld\n", i, length, start_offset, glyf_prime_data_next - glyf_prime_data);
       memcpy (glyf_prime_data_next, glyf_data + start_offset, length);
-    }
     else
     {
-      fprintf(stderr, "i=%d copy %d bytes from %d to %ld\n", i, instruction_start - start_offset, start_offset, glyf_prime_data_next - glyf_prime_data);
-      fprintf(stderr, "i=%d copy %d bytes from %d to %ld\n", i, end_offset - instruction_end, instruction_end, glyf_prime_data_next + instruction_start - start_offset - glyf_prime_data);
       memcpy (glyf_prime_data_next, glyf_data + start_offset, instruction_start - start_offset);
       memcpy (glyf_prime_data_next + instruction_start - start_offset, glyf_data + instruction_end, end_offset - instruction_end);
       /* if the instructions end at the end this was a composite glyph */
       if (instruction_end == end_offset)
         ; // TODO(rsheeter) remove WE_HAVE_INSTRUCTIONS from last flags
       else
-        ; // TODO(rsheeter) zero instructionLength
+        /* zero instruction length, which is just before instruction_start */
+        memset (glyf_prime_data_next + instruction_start - start_offset - 2, 0, 2);
     }
 
     success = success && _write_loca_entry (i,
diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index 0f653ff33..8dfa660db 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -79,6 +79,9 @@ hb_subset_plan_add_table (hb_subset_plan_t *plan,
                           hb_tag_t tag,
                           hb_blob_t *contents)
 {
+  hb_blob_t *source_blob = plan->source->reference_table (tag);
+  DEBUG_MSG(SUBSET, nullptr, "add table %c%c%c%c, dest %d bytes, source %d bytes", HB_UNTAG(tag), hb_blob_get_length (contents), hb_blob_get_length (source_blob));
+  hb_blob_destroy (source_blob);
   return hb_subset_face_add_table(plan->dest, tag, contents);
 }
 
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index b46b07fcc..c708e193b 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -230,11 +230,12 @@ _subset_table (hb_subset_plan_t *plan,
       result = _subset<const OT::glyf> (plan);
       break;
     case HB_OT_TAG_head:
-      // SKIP head, it's handled by glyf
+      // TODO that won't work well if there is no glyf
+      DEBUG_MSG(SUBSET, nullptr, "skip head, handled by glyf");
       result = true;
       break;
     case HB_OT_TAG_hhea:
-      // SKIP hhea, it's handled by hmtx
+      DEBUG_MSG(SUBSET, nullptr, "skip hhea handled by hmtx");
       return true;
     case HB_OT_TAG_hmtx:
       result = _subset<const OT::hmtx> (plan);
@@ -243,7 +244,7 @@ _subset_table (hb_subset_plan_t *plan,
       result = _subset<const OT::maxp> (plan);
       break;
     case HB_OT_TAG_loca:
-      // SKIP loca, it's handle by glyf
+      DEBUG_MSG(SUBSET, nullptr, "skip loca handled by glyf");
       return true;
     case HB_OT_TAG_cmap:
       result = _subset<const OT::cmap> (plan);
@@ -254,16 +255,12 @@ _subset_table (hb_subset_plan_t *plan,
     default:
       hb_blob_t *source_table = hb_face_reference_table(plan->source, tag);
       if (likely(source_table))
-      {
         result = hb_subset_plan_add_table(plan, tag, source_table);
-      }
       else
-      {
         result = false;
-      }
+      DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), result ? "ok" : "FAILED");
       break;
   }
-  DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), result ? "ok" : "FAILED");
   return result;
 }
 
diff --git a/test/api/fonts/Roboto-Regular.ac.nohints.ttf b/test/api/fonts/Roboto-Regular.ac.nohints.ttf
index b7cdffedfa0a81ccdfc29cf283ae213c6ab6c658..b73391788e752799a0a8c4aeccd840dddaad36c1 100644
GIT binary patch
delta 353
zcmaFCae=L#fsuiMft#U$ftkU;KUm+WB%_Isfq~HiD4LL*n^?fm#&iM5UjpRkq$d^^
zFmNykGcYi_0Qo%WIhAQ?yF%p{7?>o0{3{u$i7Ef(W=aFudw|$111P|~jcFZ_{RN0s
zGIC2Qc*GcWf#%Hs@_BOdlj{>1Y#6eD1_%HJIC2v!3K)18w15gg1}fww=B6@j=lTqk
ze*@%O6yz6|{Lf`b0XjehBoB5xld@2Vx=dp{zs*+$X%3(;1H+LIf_fnO+BWIM3^D)T
zFu!5(19CYTm_VXH0Q59_&OaUo1}l~*h8PAH<~LxYAd(Q087#ugpb6Ck3MT|$V_=vZ
jz?8tl+{2IpG$NP9fFWk`2Bv&g29SRyzPUPCmN^*!qEbN-

delta 641
zcmYk3&r4KM6vw~!-Z%PY7_5|r8bhX>LM&~P5Es%S%%PAJXWU58JZ8oj^u3v3<}I|%
zh>K_uw0M6)E!x#Ca1|)H70G=YLBdeTHj*=a?|YMU;QsiW^S$?bId`|~&}>2g=)pP^
za_Olj)3}QSpw^ikO3%$^LZ?4Jkw22(q%#YTy{j8Bz(|qDXEXQ5-10^bAm_-rykphy
zTJDlRlkJk#sKG=Z&%5Mk$zEGp+FTgm{)ppSxo9;Df0p-N0pgH}@iH@!&Cq*ZaF3iU
zJML;UCPv5!a@4NoElgsW`tM}Zu~uuijRW#ma-w26MfoN2i-tGI6SZo?Z96ECv$_rm
zr+uV;7|$_)A>ig6Z&+?Mbqf^UA%-kMenXh(L|2EktJcZE-uc!};pL^t-?(o2qV1C_
zqk6M1=1<T1&-cSAvq22g%@6e!1!EBooAyHA(QUV)EI&Q#Z#@gAAT9^8i&=RSBIkV&
zRqt3@`hz4tD2Qt$&3e`=d*ToMGCd+l;Sr3f>6t9z`L()@c&T1oLEN_73gR%RLA&j1
z#Y(YW;r9e51#9{~!HmQ$Upb72PzuU>p!za_ZD6hEf4gAS)?<|aZ=Lk5lfHHG!dkze
G6Mq3PC2QpX

diff --git a/test/api/hb-subset-test.h b/test/api/hb-subset-test.h
index 8f7fe3938..8e579a6c3 100644
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@@ -122,6 +122,7 @@ hb_subset_test_check (hb_face_t *expected,
                       hb_face_t *actual,
                       hb_tag_t   table)
 {
+  fprintf(stderr, "compare %c%c%c%c\n", HB_UNTAG(table));
   hb_blob_t *expected_blob = hb_face_reference_table (expected, table);
   hb_blob_t *actual_blob = hb_face_reference_table (actual, table);
   hb_test_assert_blobs_equal (expected_blob, actual_blob);
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index a4b4295fa..2f266d07a 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -105,8 +105,8 @@ test_subset_glyf_strip_hints (void)
   hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, input);
   hb_set_destroy (codepoints);
 
-  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
+  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('m','a','x', 'p'));
 
   hb_face_destroy (face_abc_subset);
@@ -123,10 +123,10 @@ main (int argc, char **argv)
 {
   hb_test_init (&argc, &argv);
 
-  hb_test_add (test_subset_glyf);
-  hb_test_add (test_subset_glyf_with_components);
   hb_test_add (test_subset_glyf_noop);
+  hb_test_add (test_subset_glyf);
   hb_test_add (test_subset_glyf_strip_hints);
+  hb_test_add (test_subset_glyf_with_components);
 
   return hb_test_run();
 }

From e0939d811f1fdeda9c5763e7e53887b3d3cb21eb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 23 Feb 2018 13:19:34 -0800
Subject: [PATCH 1277/1326] Clean up check-defs and check-symbols (#821)

Also, call c++filt on their results.

Also build and fix and check harfbuzz-gobject.def

Also changes harfbuzz-gobject to distribute generated enum sources.
---
 CMakeLists.txt              |  3 +--
 src/Makefile.am             | 33 +++++++++++++----------
 src/Makefile.sources        |  9 ++++---
 src/check-defs.sh           | 52 -------------------------------------
 src/check-symbols.sh        | 32 +++++++++++++++++------
 src/hb-gobject-enums.h.tmpl |  3 ++-
 src/hb-gobject-structs.h    | 45 +++++++++++++++++++++-----------
 7 files changed, 82 insertions(+), 95 deletions(-)
 delete mode 100755 src/check-defs.sh

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0c19a4b98..6b4e10899 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -836,10 +836,9 @@ if (UNIX OR MINGW)
     )
     add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
     add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
-    add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
 
     set_tests_properties(
-      check-static-inits.sh check-libstdc++.sh check-symbols.sh check-defs.sh
+      check-static-inits.sh check-libstdc++.sh check-symbols.sh
       PROPERTIES
         ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src"
         SKIP_RETURN_CODE 77)
diff --git a/src/Makefile.am b/src/Makefile.am
index aba6803cd..769a8252b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -125,10 +125,12 @@ HBLIBS += $(HBNONPCLIBS)
 if OS_WIN32
 export_symbols = -export-symbols harfbuzz.def
 harfbuzz_def_dependency = harfbuzz.def
-export_symbols_icu = -export-symbols harfbuzz-icu.def
-harfbuzz_icu_def_dependency = harfbuzz-icu.def
 export_symbols_subset = -export-symbols harfbuzz-subset.def
 harfbuzz_subset_def_dependency = harfbuzz-subset.def
+export_symbols_icu = -export-symbols harfbuzz-icu.def
+harfbuzz_icu_def_dependency = harfbuzz-icu.def
+export_symbols_gobject = -export-symbols harfbuzz-gobject.def
+harfbuzz_gobject_def_dependency = harfbuzz-gobject.def
 chosen_linker = $(CXXLINK)
 else
 if WITH_LIBSTDCXX
@@ -210,13 +212,14 @@ EXTRA_DIST += harfbuzz-icu.pc.in
 if HAVE_GOBJECT
 lib_LTLIBRARIES += libharfbuzz-gobject.la
 libharfbuzz_gobject_la_LINK = $(chosen_linker) $(libharfbuzz_gobject_la_LDFLAGS)
-libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_sources)
-nodist_libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_ENUM_sources)
+libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_DIST_sources)
+nodist_libharfbuzz_gobject_la_SOURCES = $(HB_GOBJECT_NODIST_sources)
 libharfbuzz_gobject_la_CPPFLAGS = $(HBCFLAGS) $(HBNOLIBCXXFLAGS) $(GOBJECT_CFLAGS)
 libharfbuzz_gobject_la_LDFLAGS = $(base_link_flags)
 libharfbuzz_gobject_la_LIBADD = $(GOBJECT_LIBS) libharfbuzz.la
-pkginclude_HEADERS += $(HB_GOBJECT_headers)
-nodist_pkginclude_HEADERS += $(HB_GOBJECT_ENUM_headers)
+EXTRA_libharfbuzz_gobject_la_DEPENDENCIES = $(harfbuzz_gobject_def_dependency)
+pkginclude_HEADERS += $(HB_GOBJECT_DIST_headers)
+nodist_pkginclude_HEADERS += $(HB_GOBJECT_NODIST_headers)
 pkgconfig_DATA += harfbuzz-gobject.pc
 
 BUILT_SOURCES += \
@@ -256,12 +259,19 @@ EXTRA_DIST += \
 CLEANFILES += $(pkgconfig_DATA)
 
 
-CLEANFILES += harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def
+DEF_FILES = harfbuzz.def harfbuzz-subset.def harfbuzz-icu.def
+if HAVE_GOBJECT
+DEF_FILES += harfbuzz-gobject.def
+endif
+check: $(DEF_FILES) # For check-symbols.sh
+CLEANFILES += $(DEF_FILES)
 harfbuzz.def: $(HBHEADERS) $(HBNODISTHEADERS)
 	$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
+harfbuzz-subset.def: $(HB_SUBSET_headers)
+	$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
 harfbuzz-icu.def: $(HB_ICU_headers)
 	$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
-harfbuzz-subset.def: $(HB_SUBSET_headers)
+harfbuzz-gobject.def: $(HB_GOBJECT_headers)
 	$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
 
 
@@ -335,11 +345,8 @@ test_buffer_serialize_SOURCES = test-buffer-serialize.cc
 test_buffer_serialize_CPPFLAGS = $(HBCFLAGS)
 test_buffer_serialize_LDADD = libharfbuzz.la $(HBLIBS)
 
-check: harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def # For check-defs.sh
-
 dist_check_SCRIPTS = \
 	check-c-linkage-decls.sh \
-	check-defs.sh \
 	check-externs.sh \
 	check-header-guards.sh \
 	check-includes.sh \
@@ -415,10 +422,8 @@ HarfBuzz_0_0_gir_FILES = \
 	$(HBHEADERS) \
 	$(HBNODISTHEADERS) \
 	$(HBSOURCES) \
-	$(HB_GOBJECT_ENUM_sources) \
-	$(HB_GOBJECT_ENUM_headers) \
 	$(HB_GOBJECT_sources) \
-	$(HB_GOBJECT_STRUCTS_headers) \
+	$(HB_GOBJECT_headers) \
 	$(NULL)
 
 girdir = $(datadir)/gir-1.0
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 416ee44f7..2bb56b4f9 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -201,8 +201,11 @@ HB_SUBSET_headers = \
 	hb-subset-private.hh \
 	$(NULL)
 
-HB_GOBJECT_sources = hb-gobject-structs.cc
-HB_GOBJECT_STRUCTS_headers = hb-gobject-structs.h
-HB_GOBJECT_headers = hb-gobject.h $(HB_GOBJECT_STRUCTS_headers)
+HB_GOBJECT_DIST_sources = hb-gobject-structs.cc
+HB_GOBJECT_DIST_headers = hb-gobject.h hb-gobject-structs.h
 HB_GOBJECT_ENUM_sources = hb-gobject-enums.cc
 HB_GOBJECT_ENUM_headers = hb-gobject-enums.h
+HB_GOBJECT_NODIST_sources = $(HB_GOBJECT_ENUM_sources)
+HB_GOBJECT_NODIST_headers = $(HB_GOBJECT_ENUM_headers)
+HB_GOBJECT_sources = $(HB_GOBJECT_DIST_sources) $(HB_GOBJECT_NODIST_sources)
+HB_GOBJECT_headers = $(HB_GOBJECT_DIST_headers) $(HB_GOBJECT_NODIST_headers)
diff --git a/src/check-defs.sh b/src/check-defs.sh
deleted file mode 100755
index ade593570..000000000
--- a/src/check-defs.sh
+++ /dev/null
@@ -1,52 +0,0 @@
-#!/bin/sh
-
-LC_ALL=C
-export LC_ALL
-
-test -z "$srcdir" && srcdir=.
-test -z "$libs" && libs=.libs
-stat=0
-
-if which nm 2>/dev/null >/dev/null; then
-	:
-else
-	echo "check-defs.sh: 'nm' not found; skipping test"
-	exit 77
-fi
-
-tested=false
-for def in harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def; do
-	if ! test -f "$def"; then
-		echo "check-defs.sh: '$def' not found; skipping test it"
-		continue
-	fi
-	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
-	for suffix in so dylib; do
-		so=$libs/lib${lib}.$suffix
-		if ! test -f "$so"; then continue; fi
-
-		# On macOS, C symbols are prefixed with _
-		if test $suffix = dylib; then prefix="_"; fi
-
-		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v " $prefix"'\(_fini\>\|_init\>\|_fdata\>\|_ftext\>\|_fbss\>\|__bss_start\>\|__bss_start__\>\|__bss_end__\>\|_edata\>\|_end\>\|_bss_end__\>\|__end__\>\|__gcov_flush\>\|llvm_\)' | cut -d' ' -f3`"
-
-		if test -f "$so"; then
-
-			echo "Checking that $so has the same symbol list as $def"
-			{
-				echo EXPORTS
-				echo "$EXPORTED_SYMBOLS" | sed -e "s/^${prefix}hb/hb/g"
-				# cheat: copy the last line from the def file!
-				tail -n1 "$def"
-			} | diff "$def" - >&2 || stat=1
-
-			tested=true
-		fi
-	done
-done
-if ! $tested; then
-	echo "check-defs.sh: libharfbuzz shared library not found; skipping test"
-	exit 77
-fi
-
-exit $stat
diff --git a/src/check-symbols.sh b/src/check-symbols.sh
index af8af4416..bfc93b349 100755
--- a/src/check-symbols.sh
+++ b/src/check-symbols.sh
@@ -7,6 +7,7 @@ test -z "$srcdir" && srcdir=.
 test -z "$libs" && libs=.libs
 stat=0
 
+IGNORED_SYMBOLS='_fini\|_init\|_fdata\|_ftext\|_fbss\|__bss_start\|__bss_start__\|__bss_end__\|_edata\|_end\|_bss_end__\|__end__\|__gcov_flush\|llvm_.*'
 
 if which nm 2>/dev/null >/dev/null; then
 	:
@@ -15,31 +16,46 @@ else
 	exit 77
 fi
 
-echo "Checking that we are not exposing internal symbols"
 tested=false
 for soname in harfbuzz harfbuzz-subset harfbuzz-icu harfbuzz-gobject; do
 	for suffix in so dylib; do
 		so=$libs/lib$soname.$suffix
 		if ! test -f "$so"; then continue; fi
 
-		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| ___gcov_flush\>\| llvm_\| _llvm_' | cut -d' ' -f3`"
-
-		prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
-
 		# On macOS, C symbols are prefixed with _
-		if test $suffix = dylib; then prefix="_$prefix"; fi
+		symprefix=
+		if test $suffix = dylib; then symprefix=_; fi
 
-		echo "Processing $so"
+		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v " $symprefix\\($IGNORED_SYMBOLS\\>\\)" | cut -d' ' -f3 | c++filt`"
+
+		prefix=$symprefix`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
+
+		echo
+		echo "Checking that $so does not expose internal symbols"
 		if echo "$EXPORTED_SYMBOLS" | grep -v "^${prefix}\(_\|$\)"; then
 			echo "Ouch, internal symbols exposed"
 			stat=1
 		fi
 
+		def=$soname.def
+		if ! test -f "$def"; then
+			echo "'$def' not found; skipping"
+		else
+			echo
+			echo "Checking that $so has the same symbol list as $def"
+			{
+				echo EXPORTS
+				echo "$EXPORTED_SYMBOLS" | sed -e "s/^${symprefix}hb/hb/g"
+				# cheat: copy the last line from the def file!
+				tail -n1 "$def"
+			} | c++filt | diff "$def" - >&2 || stat=1
+		fi
+
 		tested=true
 	done
 done
 if ! $tested; then
-	echo "check-symbols.sh: no shared library found; skipping test"
+	echo "check-symbols.sh: no shared libraries found; skipping test"
 	exit 77
 fi
 
diff --git a/src/hb-gobject-enums.h.tmpl b/src/hb-gobject-enums.h.tmpl
index e28510c22..606727cd3 100644
--- a/src/hb-gobject-enums.h.tmpl
+++ b/src/hb-gobject-enums.h.tmpl
@@ -42,7 +42,8 @@ HB_BEGIN_DECLS
 /*** END file-header ***/
 
 /*** BEGIN value-header ***/
-HB_EXTERN GType @enum_name@_get_type (void) G_GNUC_CONST;
+HB_EXTERN GType
+@enum_name@_get_type (void) G_GNUC_CONST;
 #define @ENUMPREFIX@_TYPE_@ENUMSHORT@ (@enum_name@_get_type ())
 
 /*** END value-header ***/
diff --git a/src/hb-gobject-structs.h b/src/hb-gobject-structs.h
index a34b06abb..302dc9584 100644
--- a/src/hb-gobject-structs.h
+++ b/src/hb-gobject-structs.h
@@ -45,7 +45,8 @@ HB_BEGIN_DECLS
  *
  * Since: 0.9.2
  **/
-HB_EXTERN GType hb_gobject_blob_get_type (void);
+HB_EXTERN GType
+hb_gobject_blob_get_type (void);
 #define HB_GOBJECT_TYPE_BLOB (hb_gobject_blob_get_type ())
 
 /**
@@ -53,7 +54,8 @@ HB_EXTERN GType hb_gobject_blob_get_type (void);
  *
  * Since: 0.9.2
  **/
-HB_EXTERN GType hb_gobject_buffer_get_type (void);
+HB_EXTERN GType
+hb_gobject_buffer_get_type (void);
 #define HB_GOBJECT_TYPE_BUFFER (hb_gobject_buffer_get_type ())
 
 /**
@@ -61,7 +63,8 @@ HB_EXTERN GType hb_gobject_buffer_get_type (void);
  *
  * Since: 0.9.2
  **/
-HB_EXTERN GType hb_gobject_face_get_type (void);
+HB_EXTERN GType
+hb_gobject_face_get_type (void);
 #define HB_GOBJECT_TYPE_FACE (hb_gobject_face_get_type ())
 
 /**
@@ -69,7 +72,8 @@ HB_EXTERN GType hb_gobject_face_get_type (void);
  *
  * Since: 0.9.2
  **/
-HB_EXTERN GType hb_gobject_font_get_type (void);
+HB_EXTERN GType
+hb_gobject_font_get_type (void);
 #define HB_GOBJECT_TYPE_FONT (hb_gobject_font_get_type ())
 
 /**
@@ -77,13 +81,16 @@ HB_EXTERN GType hb_gobject_font_get_type (void);
  *
  * Since: 0.9.2
  **/
-HB_EXTERN GType hb_gobject_font_funcs_get_type (void);
+HB_EXTERN GType
+hb_gobject_font_funcs_get_type (void);
 #define HB_GOBJECT_TYPE_FONT_FUNCS (hb_gobject_font_funcs_get_type ())
 
-HB_EXTERN GType hb_gobject_set_get_type (void);
+HB_EXTERN GType
+hb_gobject_set_get_type (void);
 #define HB_GOBJECT_TYPE_SET (hb_gobject_set_get_type ())
 
-HB_EXTERN GType hb_gobject_shape_plan_get_type (void);
+HB_EXTERN GType
+hb_gobject_shape_plan_get_type (void);
 #define HB_GOBJECT_TYPE_SHAPE_PLAN (hb_gobject_shape_plan_get_type ())
 
 /**
@@ -91,30 +98,38 @@ HB_EXTERN GType hb_gobject_shape_plan_get_type (void);
  *
  * Since: 0.9.2
  **/
-HB_EXTERN GType hb_gobject_unicode_funcs_get_type (void);
+HB_EXTERN GType
+hb_gobject_unicode_funcs_get_type (void);
 #define HB_GOBJECT_TYPE_UNICODE_FUNCS (hb_gobject_unicode_funcs_get_type ())
 
 /* Value types */
 
-HB_EXTERN GType hb_gobject_feature_get_type (void);
+HB_EXTERN GType
+hb_gobject_feature_get_type (void);
 #define HB_GOBJECT_TYPE_FEATURE (hb_gobject_feature_get_type ())
 
-HB_EXTERN GType hb_gobject_glyph_info_get_type (void);
+HB_EXTERN GType
+hb_gobject_glyph_info_get_type (void);
 #define HB_GOBJECT_TYPE_GLYPH_INFO (hb_gobject_glyph_info_get_type ())
 
-HB_EXTERN GType hb_gobject_glyph_position_get_type (void);
+HB_EXTERN GType
+hb_gobject_glyph_position_get_type (void);
 #define HB_GOBJECT_TYPE_GLYPH_POSITION (hb_gobject_glyph_position_get_type ())
 
-HB_EXTERN GType hb_gobject_segment_properties_get_type (void);
+HB_EXTERN GType
+hb_gobject_segment_properties_get_type (void);
 #define HB_GOBJECT_TYPE_SEGMENT_PROPERTIES (hb_gobject_segment_properties_get_type ())
 
-HB_EXTERN GType hb_gobject_user_data_key_get_type (void);
+HB_EXTERN GType
+hb_gobject_user_data_key_get_type (void);
 #define HB_GOBJECT_TYPE_USER_DATA_KEY (hb_gobject_user_data_key_get_type ())
 
-HB_EXTERN GType hb_gobject_ot_math_glyph_variant_get_type (void);
+HB_EXTERN GType
+hb_gobject_ot_math_glyph_variant_get_type (void);
 #define HB_GOBJECT_TYPE_OT_MATH_GLYPH_VARIANT (hb_gobject_ot_math_glyph_variant_get_type ())
 
-HB_EXTERN GType hb_gobject_ot_math_glyph_part_get_type (void);
+HB_EXTERN GType
+hb_gobject_ot_math_glyph_part_get_type (void);
 #define HB_GOBJECT_TYPE_OT_MATH_GLYPH_PART (hb_gobject_ot_math_glyph_part_get_type ())
 
 

From d38f37b2e37942a3fd13cd753c8b8587a06c0f3a Mon Sep 17 00:00:00 2001
From: Ben Boeckel <mathstuf@users.noreply.github.com>
Date: Fri, 23 Feb 2018 16:55:53 -0500
Subject: [PATCH 1278/1326] autoconf: provide a harfbuzz-config for use from
 CMake (#822)

---
 configure.ac                 |  2 +
 src/Makefile.am              |  4 +-
 src/harfbuzz-config.cmake.in | 82 ++++++++++++++++++++++++++++++++++++
 3 files changed, 87 insertions(+), 1 deletion(-)
 create mode 100644 src/harfbuzz-config.cmake.in

diff --git a/configure.ac b/configure.ac
index 8c3ab2029..eee2568dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -184,6 +184,7 @@ if $have_gobject; then
 	AC_SUBST(GLIB_MKENUMS)
 fi
 AM_CONDITIONAL(HAVE_GOBJECT, $have_gobject)
+AC_SUBST(have_gobject)
 
 dnl ===========================================================================
 
@@ -491,6 +492,7 @@ AC_CONFIG_FILES([
 Makefile
 src/Makefile
 src/hb-version.h
+src/harfbuzz-config.cmake
 src/hb-ucdn/Makefile
 util/Makefile
 test/Makefile
diff --git a/src/Makefile.am b/src/Makefile.am
index 769a8252b..c4d5fb85b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -156,7 +156,9 @@ pkginclude_HEADERS = $(HBHEADERS)
 nodist_pkginclude_HEADERS = $(HBNODISTHEADERS)
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = harfbuzz.pc
-EXTRA_DIST += harfbuzz.pc.in
+cmakedir = $(libdir)/cmake/harfbuzz
+cmake_DATA = harfbuzz-config.cmake
+EXTRA_DIST += harfbuzz.pc.in harfbuzz-config.cmake.in
 
 lib_LTLIBRARIES += libharfbuzz-subset.la
 libharfbuzz_subset_la_SOURCES = $(HB_SUBSET_sources)
diff --git a/src/harfbuzz-config.cmake.in b/src/harfbuzz-config.cmake.in
new file mode 100644
index 000000000..87b15721a
--- /dev/null
+++ b/src/harfbuzz-config.cmake.in
@@ -0,0 +1,82 @@
+# Set these variables so that the `${prefix}/lib` expands to something we can
+# remove.
+set(_harfbuzz_remove_string "REMOVE_ME")
+set(exec_prefix "${_harfbuzz_remove_string}")
+set(prefix "${_harfbuzz_remove_string}")
+
+# Compute the installation prefix by stripping components from our current
+# location.
+get_filename_component(_harfbuzz_prefix "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
+get_filename_component(_harfbuzz_prefix "${_harfbuzz_prefix}" DIRECTORY)
+set(_harfbuzz_libdir "@libdir@")
+string(REPLACE "${_harfbuzz_remove_string}/" "" _harfbuzz_libdir "${_harfbuzz_libdir}")
+set(_harfbuzz_libdir_iter "${_harfbuzz_libdir}")
+while (_harfbuzz_libdir_iter)
+  get_filename_component(_harfbuzz_libdir_iter "${_harfbuzz_libdir_iter}" DIRECTORY)
+  get_filename_component(_harfbuzz_prefix "${_harfbuzz_prefix}" DIRECTORY)
+endwhile ()
+unset(_harfbuzz_libdir_iter)
+
+# Get the include subdir.
+set(_harfbuzz_includedir "@includedir@")
+string(REPLACE "${_harfbuzz_remove_string}/" "" _harfbuzz_includedir "${_harfbuzz_includedir}")
+
+# Extract version information from libtool.
+set(_harfbuzz_version_info "@HB_LIBTOOL_VERSION_INFO@")
+string(REPLACE ":" ";" _harfbuzz_version_info "${_harfbuzz_version_info}")
+list(GET _harfbuzz_version_info 0
+  _harfbuzz_current)
+list(GET _harfbuzz_version_info 1
+  _harfbuzz_revision)
+list(GET _harfbuzz_version_info 2
+  _harfbuzz_age)
+unset(_harfbuzz_version_info)
+
+if (APPLE)
+  set(_harfbuzz_lib_suffix ".0${CMAKE_SHARED_LIBRARY_SUFFIX}")
+elseif (UNIX)
+  set(_harfbuzz_lib_suffix "${CMAKE_SHARED_LIBRARY_SUFFIX}.0.${_harfbuzz_current}.${_harfbuzz_revision}")
+else ()
+  # Unsupported.
+  set(harfbuzz_FOUND 0)
+endif ()
+
+# Add the libraries.
+add_library(harfbuzz::harfbuzz SHARED IMPORTED)
+set_target_properties(harfbuzz::harfbuzz PROPERTIES
+  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
+  IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz${_harfbuzz_lib_suffix}")
+
+add_library(harfbuzz::icu SHARED IMPORTED)
+set_target_properties(harfbuzz::icu PROPERTIES
+  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
+  INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
+  IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-icu${_harfbuzz_lib_suffix}")
+
+add_library(harfbuzz::subset SHARED IMPORTED)
+set_target_properties(harfbuzz::subset PROPERTIES
+  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
+  INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
+  IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-subset${_harfbuzz_lib_suffix}")
+
+# Only add the gobject library if it was built.
+set(_harfbuzz_have_gobject "@have_gobject@")
+if (_harfbuzz_have_gobject)
+  add_library(harfbuzz::gobject SHARED IMPORTED)
+  set_target_properties(harfbuzz::gobject PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
+    INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
+    IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-gobject${_harfbuzz_lib_suffix}")
+endif ()
+
+# Clean out variables we used in our scope.
+unset(_harfbuzz_lib_suffix)
+unset(_harfbuzz_current)
+unset(_harfbuzz_revision)
+unset(_harfbuzz_age)
+unset(_harfbuzz_includedir)
+unset(_harfbuzz_libdir)
+unset(_harfbuzz_prefix)
+unset(exec_prefix)
+unset(prefix)
+unset(_harfbuzz_remove_string)

From 5a36b55fba03cd07c9b101f0222b8d189bcd3bbf Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 23 Feb 2018 15:30:14 -0800
Subject: [PATCH 1279/1326] [subset] Fix memory leak in subset face destroy.

---
 src/hb-subset.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index b7d3e3710..aff3aecc6 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -136,6 +136,9 @@ _hb_subset_face_data_destroy (void *user_data)
 {
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) user_data;
 
+  for (int i = 0; i < data->tables.len; i++)
+    hb_blob_destroy (data->tables[i].blob);
+
   data->tables.finish ();
 
   free (data);

From 4665aaa19304bdf0362bdfcebcae65feb19a8964 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 23 Feb 2018 15:36:14 -0800
Subject: [PATCH 1280/1326] [subset] Fix memory leak in hmtx subsetting.

---
 src/hb-ot-hmtx-table.hh | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 11cc92794..3cd48a62e 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -105,7 +105,7 @@ struct hmtxvmtx
     /* alloc the new table */
     size_t dest_sz = num_advances * 4
                   + (gids.len - num_advances) * 2;
-    void *dest = (void *) calloc (dest_sz, 1);
+    void *dest = (void *) malloc (dest_sz);
     if (unlikely (!dest))
     {
       return false;
@@ -166,9 +166,11 @@ struct hmtxvmtx
     hb_blob_t *result = hb_blob_create ((const char *)dest,
                                         dest_sz,
                                         HB_MEMORY_MODE_READONLY,
-                                        /* userdata */ nullptr,
+                                        dest,
                                         free);
-    return hb_subset_plan_add_table (plan, T::tableTag, result);
+    bool success = hb_subset_plan_add_table (plan, T::tableTag, result);
+    hb_blob_destroy (result);
+    return success;
   }
 
   struct accelerator_t

From 0fb8a5ce192025ffd83ae714db932e4b86594ae1 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 23 Feb 2018 15:37:43 -0800
Subject: [PATCH 1281/1326] [subset] Fix memory leak in cmap subsetting.

---
 src/hb-ot-cmap-table.hh | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 4593152b5..020798986 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -602,7 +602,7 @@ struct cmap
                    + 8 // 1 EncodingRecord
                    + 16 // Format 12 header
                    + 12 * groups.len; // SequentialMapGroup records
-    void *dest = calloc (dest_sz, 1);
+    void *dest = malloc (dest_sz);
     if (unlikely (!dest)) {
       DEBUG_MSG(SUBSET, nullptr, "Unable to alloc %lu for cmap subset output", (unsigned long) dest_sz);
       return false;
@@ -618,9 +618,11 @@ struct cmap
     hb_blob_t *cmap_prime = hb_blob_create ((const char *)dest,
                                             dest_sz,
                                             HB_MEMORY_MODE_READONLY,
-                                            /* userdata */ nullptr,
+                                            dest,
                                             free);
-    return hb_subset_plan_add_table (plan, HB_OT_TAG_cmap, cmap_prime);
+    bool result =  hb_subset_plan_add_table (plan, HB_OT_TAG_cmap, cmap_prime);
+    hb_blob_destroy (cmap_prime);
+    return result;
   }
 
   struct accelerator_t

From 66b0a390793ab06692dd49e67baef52a6a7d82aa Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 23 Feb 2018 15:41:52 -0800
Subject: [PATCH 1282/1326] [subset] Fix memory leak in hb-subset.

---
 src/hb-subset.cc | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index aff3aecc6..3a0ddb036 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -263,14 +263,11 @@ _subset_table (hb_subset_plan_t *plan,
       break;
     default:
       hb_blob_t *source_table = hb_face_reference_table(plan->source, tag);
-      if (likely(source_table))
-      {
+      if (likely (source_table))
         result = hb_subset_plan_add_table(plan, tag, source_table);
-      }
       else
-      {
         result = false;
-      }
+      hb_blob_destroy (source_table);
       break;
   }
   DEBUG_MSG(SUBSET, nullptr, "subset %c%c%c%c %s", HB_UNTAG(tag), result ? "ok" : "FAILED");

From e61f360dc828bfd46477b7ddff56874da9f03538 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 23 Feb 2018 15:44:21 -0800
Subject: [PATCH 1283/1326] [subset] Fix memory leak in hb-subset-plan.

---
 src/hb-subset-plan.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-subset-plan.cc b/src/hb-subset-plan.cc
index b9e299add..27c2c7f02 100644
--- a/src/hb-subset-plan.cc
+++ b/src/hb-subset-plan.cc
@@ -165,6 +165,7 @@ _populate_gids_to_retain (hb_face_t *face,
   while (hb_set_next (all_gids_to_retain, &gid))
     *(old_gids_sorted.push ()) = gid;
 
+  hb_set_destroy (all_gids_to_retain);
   glyf.fini ();
   cmap.fini ();
 }

From 99967e21c6e3f6882d6eadf5c22f4120684b1fc5 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 23 Feb 2018 15:45:45 -0800
Subject: [PATCH 1284/1326] [subset] Fix memory leak in hb-subset-glyf.

---
 src/hb-subset-glyf.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index d57b41159..d29efe9de 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -234,6 +234,8 @@ hb_subset_glyf_and_loca (hb_subset_plan_t *plan,
                                           use_short_loca,
                                           glyf_prime,
                                           loca_prime);
+
+  hb_blob_destroy (glyf_blob);
   glyf.fini();
 
   return result;

From ec2538c8803be254b6e09ca0ea724b07c35126da Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 23 Feb 2018 15:51:26 -0800
Subject: [PATCH 1285/1326] [subset] Fix checksum calc out-of-bounds access

---
 src/hb-open-file-private.hh | 18 ++++++++++--------
 src/hb-open-type-private.hh |  3 ++-
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 88ce65a40..701935b7f 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -133,32 +133,34 @@ typedef struct OffsetTable
 			 unsigned int table_count)
   {
     TRACE_SERIALIZE (this);
-    /* alloc 12 for the OTHeader */
+    /* Alloc 12 for the OTHeader. */
     if (unlikely (!c->extend_min (*this))) return_trace (false);
-    /* write sfntVersion (bytes 0..3) */
+    /* Write sfntVersion (bytes 0..3) */
     sfnt_version.set (sfnt_tag);
-    /* take space for numTables, searchRange, entrySelector, RangeShift
+    /* Take space for numTables, searchRange, entrySelector, RangeShift
      * and the TableRecords themselves
      */
     if (unlikely (!tables.serialize (c, table_count))) return_trace (false);
 
-    /* write OffsetTables, alloc for and write actual table blobs */
+    /* Write OffsetTables, alloc for and write actual table blobs. */
     for (unsigned int i = 0; i < table_count; i++)
     {
       TableRecord &rec = tables.array[i];
       hb_blob_t *blob = blobs[i];
       rec.tag.set (tags[i]);
       rec.length.set (hb_blob_get_length (blob));
-      rec.checkSum.set_for_data (hb_blob_get_data (blob, nullptr), rec.length);
       rec.offset.serialize (c, this);
-      // take room for the table
+      /* Allocate room for the table. */
       void *p = c->allocate_size<void> (rec.length);
+      const char *start = (const char *) p;
       if (unlikely (!p)) {return false;}
-      /* copy the actual table */
+      /* copy the actual table. */
       memcpy (p, hb_blob_get_data (blob, nullptr), rec.length);
-      /* 4-byte allignment */
+      /* 4-byte allignment. */
       if (rec.length % 4)
 	p = c->allocate_size<void> (4 - rec.length % 4);
+      const char *end = (const char *) c->head;
+      rec.checkSum.set_for_data (start, end - start);
     }
     tags += table_count;
     blobs += table_count;
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 54eda4c52..f5c20bcb6 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -762,7 +762,8 @@ struct CheckSum : HBUINT32
   static inline uint32_t CalcTableChecksum (const HBUINT32 *Table, uint32_t Length)
   {
     uint32_t Sum = 0L;
-    const HBUINT32 *EndPtr = Table+((Length+3) & ~3) / HBUINT32::static_size;
+    assert (0 == (Length & 3));
+    const HBUINT32 *EndPtr = Table + Length / HBUINT32::static_size;
 
     while (Table < EndPtr)
       Sum += *Table++;

From dc5c7927e75ea09461e46fe6e56897091b4b4f00 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 23 Feb 2018 16:42:06 -0800
Subject: [PATCH 1286/1326] [subset] Caclculate head table checksum adjustment

Test still fails, because we do not serialize tables in the same
order that fonttools subsetter does.
---
 src/hb-open-file-private.hh | 51 ++++++++++++++++++++++++++++---------
 src/hb-ot-head-table.hh     |  2 ++
 src/hb-subset.cc            |  2 ++
 3 files changed, 43 insertions(+), 12 deletions(-)

diff --git a/src/hb-open-file-private.hh b/src/hb-open-file-private.hh
index 701935b7f..e2644eaf9 100644
--- a/src/hb-open-file-private.hh
+++ b/src/hb-open-file-private.hh
@@ -30,6 +30,7 @@
 #define HB_OPEN_FILE_PRIVATE_HH
 
 #include "hb-open-type-private.hh"
+#include "hb-ot-head-table.hh"
 
 
 namespace OT {
@@ -135,13 +136,15 @@ typedef struct OffsetTable
     TRACE_SERIALIZE (this);
     /* Alloc 12 for the OTHeader. */
     if (unlikely (!c->extend_min (*this))) return_trace (false);
-    /* Write sfntVersion (bytes 0..3) */
+    /* Write sfntVersion (bytes 0..3). */
     sfnt_version.set (sfnt_tag);
     /* Take space for numTables, searchRange, entrySelector, RangeShift
-     * and the TableRecords themselves
-     */
+     * and the TableRecords themselves.  */
     if (unlikely (!tables.serialize (c, table_count))) return_trace (false);
 
+    const char *dir_end = (const char *) c->head;
+    HBUINT32 *checksum_adjustment = nullptr;
+
     /* Write OffsetTables, alloc for and write actual table blobs. */
     for (unsigned int i = 0; i < table_count; i++)
     {
@@ -150,24 +153,48 @@ typedef struct OffsetTable
       rec.tag.set (tags[i]);
       rec.length.set (hb_blob_get_length (blob));
       rec.offset.serialize (c, this);
-      /* Allocate room for the table. */
-      void *p = c->allocate_size<void> (rec.length);
-      const char *start = (const char *) p;
-      if (unlikely (!p)) {return false;}
-      /* copy the actual table. */
-      memcpy (p, hb_blob_get_data (blob, nullptr), rec.length);
+
+      /* Allocate room for the table and copy it. */
+      char *start = (char *) c->allocate_size<void> (rec.length);
+      if (unlikely (!start)) {return false;}
+
+      memcpy (start, hb_blob_get_data (blob, nullptr), rec.length);
+
       /* 4-byte allignment. */
       if (rec.length % 4)
-	p = c->allocate_size<void> (4 - rec.length % 4);
+	c->allocate_size<void> (4 - rec.length % 4);
       const char *end = (const char *) c->head;
+
+      if (tags[i] == HB_OT_TAG_head && end - start >= head::static_size)
+      {
+	head *h = (head *) start;
+	checksum_adjustment = &h->checkSumAdjustment;
+	checksum_adjustment->set (0);
+      }
+
       rec.checkSum.set_for_data (start, end - start);
     }
     tags += table_count;
     blobs += table_count;
 
-    /* TODO: update head table checkSumAdjustment. */
-
     tables.qsort ();
+
+    if (checksum_adjustment)
+    {
+      CheckSum checksum;
+
+      /* The following line is a slower version of the following block. */
+      //checksum.set_for_data (this, (const char *) c->head - (const char *) this);
+      checksum.set_for_data (this, dir_end - (const char *) this);
+      for (unsigned int i = 0; i < table_count; i++)
+      {
+	TableRecord &rec = tables.array[i];
+	checksum.set (checksum + rec.checkSum);
+      }
+
+      checksum_adjustment->set (0xB1B0AFBAu - checksum);
+    }
+
     return_trace (true);
   }
 
diff --git a/src/hb-ot-head-table.hh b/src/hb-ot-head-table.hh
index 2024cea7e..1d4584045 100644
--- a/src/hb-ot-head-table.hh
+++ b/src/hb-ot-head-table.hh
@@ -43,6 +43,8 @@ namespace OT {
 
 struct head
 {
+  friend struct OffsetTable;
+
   static const hb_tag_t tableTag	= HB_OT_TAG_head;
 
   inline unsigned int get_upem (void) const
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 3a0ddb036..12cdb1d21 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -198,6 +198,8 @@ _hb_subset_face_reference_table (hb_face_t *face, hb_tag_t tag, void *user_data)
   return nullptr;
 }
 
+/* TODO: Move this to hb-face.h and rename to hb_face_builder_create()
+ * with hb_face_builder_add_table(). */
 hb_face_t *
 hb_subset_face_create (void)
 {

From 0ac8c0c1e6a6c076ce33b16baa173ff8763ac04e Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 23 Feb 2018 17:43:00 -0800
Subject: [PATCH 1287/1326] [subset] zero glyf and loca memory before writing
 so pads are clean. Test just the part of maxp we care about

---
 src/hb-ot-glyf-table.hh     |  6 +++---
 src/hb-subset-glyf.cc       |  4 ++--
 test/api/test-subset-glyf.c | 19 ++++++++++++++++---
 3 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 4b938017b..c92f63f4c 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -286,7 +286,7 @@ struct glyf
       static const int FLAG_Y_SAME = 0x20;
 
       if (*end_offset - start_offset < GlyphHeader::static_size)
-        return false;
+        return true;
 
       const char *glyph = ((const char *) glyf_table) + start_offset;
       const char * const glyph_end = glyph + (*end_offset - start_offset);
@@ -313,7 +313,7 @@ struct glyf
         while (glyph < glyph_end)
         {
           uint8_t flag = (uint8_t) *glyph;
-          glyph++; i++;
+          glyph++;
 
           unsigned int repeat = 1;
           if (flag & FLAG_REPEAT)
@@ -324,7 +324,7 @@ struct glyf
               return false;
             }
             repeat = ((uint8_t) *glyph) + 1;
-            glyph++; i++;
+            glyph++;
           }
 
           unsigned int xBytes, yBytes;
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index 052af3f4d..ce7c99fe1 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -230,8 +230,8 @@ _hb_subset_glyf_and_loca (const OT::glyf::accelerator_t  &glyf,
     return false;
   }
 
-  char *glyf_prime_data = (char *) malloc (glyf_prime_size);
-  char *loca_prime_data = (char *) malloc (loca_prime_size);
+  char *glyf_prime_data = (char *) calloc (1, glyf_prime_size);
+  char *loca_prime_data = (char *) calloc (1, loca_prime_size);
   if (unlikely (!_write_glyf_and_loca_prime (plan, glyf, glyf_data,
                                              *use_short_loca,
                                              instruction_ranges,
diff --git a/test/api/test-subset-glyf.c b/test/api/test-subset-glyf.c
index 2f266d07a..f5fdf32d0 100644
--- a/test/api/test-subset-glyf.c
+++ b/test/api/test-subset-glyf.c
@@ -31,6 +31,18 @@
 
 /* Unit tests for hb-subset-glyf.h */
 
+static void check_maxp_num_glyphs (hb_face_t *face, uint16_t expected_num_glyphs)
+{
+  hb_blob_t *maxp_blob = hb_face_reference_table (face, HB_TAG ('m','a','x', 'p'));
+
+  unsigned int maxp_len;
+  uint8_t *raw_maxp = (uint8_t *) hb_blob_get_data(maxp_blob, &maxp_len);
+  uint16_t num_glyphs = (raw_maxp[4] << 8) + raw_maxp[5];
+  g_assert_cmpuint(expected_num_glyphs, ==, num_glyphs);
+
+  hb_blob_destroy (maxp_blob);
+}
+
 static void
 test_subset_glyf (void)
 {
@@ -45,7 +57,7 @@ test_subset_glyf (void)
 
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
-  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('m','a','x', 'p'));
+  check_maxp_num_glyphs(face_abc_subset, 3);
 
   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
@@ -65,7 +77,7 @@ test_subset_glyf_with_components (void)
 
   hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('g','l','y','f'));
   hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('l','o','c', 'a'));
-  hb_subset_test_check (face_subset, face_generated_subset, HB_TAG ('m','a','x', 'p'));
+  check_maxp_num_glyphs(face_generated_subset, 4);
 
   hb_face_destroy (face_generated_subset);
   hb_face_destroy (face_subset);
@@ -86,6 +98,7 @@ test_subset_glyf_noop (void)
 
   hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('g','l','y','f'));
   hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('l','o','c', 'a'));
+  check_maxp_num_glyphs(face_abc_subset, 4);
 
   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);
@@ -107,7 +120,7 @@ test_subset_glyf_strip_hints (void)
 
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
-  hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('m','a','x', 'p'));
+  check_maxp_num_glyphs(face_abc_subset, 3);
 
   hb_face_destroy (face_abc_subset);
   hb_face_destroy (face_abc);

From 1454d82a9d3d9a47901b3d92ff7f2c05c596c0d5 Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 23 Feb 2018 17:49:23 -0800
Subject: [PATCH 1288/1326] [subset] keep glyph trim separate of more general
 get_offset

---
 src/hb-ot-glyf-table.hh | 12 ++++--------
 src/hb-subset-glyf.cc   |  6 ++++--
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index c92f63f4c..3d0309777 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -267,7 +267,7 @@ struct glyf
 			       CompositeGlyphHeader::Iterator *composite /* OUT */) const
     {
       unsigned int start_offset, end_offset;
-      if (!get_offsets (glyph, /* trim */ false, &start_offset, &end_offset))
+      if (!get_offsets (glyph, &start_offset, &end_offset))
         return false; /* glyph not found */
 
       return CompositeGlyphHeader::get_iterator ((const char*) this->glyf_table + start_offset,
@@ -276,8 +276,8 @@ struct glyf
     }
 
     /* based on FontTools _g_l_y_f.py::trim */
-    inline bool trim_glyph(unsigned int start_offset,
-                           unsigned int *end_offset) const
+    inline bool trim(unsigned int start_offset,
+                     unsigned int *end_offset) const
     {
       static const int FLAG_X_SHORT = 0x02;
       static const int FLAG_Y_SHORT = 0x04;
@@ -359,7 +359,6 @@ struct glyf
     }
 
     inline bool get_offsets (hb_codepoint_t  glyph,
-                             bool trim,
                              unsigned int   *start_offset /* OUT */,
                              unsigned int   *end_offset   /* OUT */) const
     {
@@ -383,9 +382,6 @@ struct glyf
       if (*start_offset > *end_offset || *end_offset > glyf_len)
 	return false;
 
-      if (trim)
-        return trim_glyph(*start_offset, end_offset);
-
       return true;
     }
 
@@ -438,7 +434,7 @@ struct glyf
 			     hb_glyph_extents_t *extents) const
     {
       unsigned int start_offset, end_offset;
-      if (!get_offsets (glyph, /* trim */ false, &start_offset, &end_offset))
+      if (!get_offsets (glyph, &start_offset, &end_offset))
         return false;
 
       if (end_offset - start_offset < GlyphHeader::static_size)
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index ce7c99fe1..654566af2 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -47,7 +47,8 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
     *(instruction_ranges->push()) = 0;
 
     unsigned int start_offset, end_offset;
-    if (unlikely (!glyf.get_offsets(next_glyph, /* trim */ true, &start_offset, &end_offset)))
+    if (unlikely (!(glyf.get_offsets(next_glyph, &start_offset, &end_offset)
+                    && glyf.trim(start_offset, &end_offset))))
     {
       DEBUG_MSG(SUBSET, nullptr, "Invalid gid %d", next_glyph);
       continue;
@@ -154,7 +155,8 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
   for (unsigned int i = 0; i < glyph_ids.len; i++)
   {
     unsigned int start_offset, end_offset;
-    if (unlikely (!glyf.get_offsets (glyph_ids[i], /* trim */ true, &start_offset, &end_offset)))
+    if (unlikely (!(glyf.get_offsets (glyph_ids[i], &start_offset, &end_offset)
+                    && glyf.trim(start_offset, &end_offset))))
       end_offset = start_offset = 0;
     unsigned int instruction_start = instruction_ranges[i * 2];
     unsigned int instruction_end = instruction_ranges[i * 2 + 1];

From 2e3ee489f8374227fa94a8d8684e839e643888ea Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 23 Feb 2018 18:18:54 -0800
Subject: [PATCH 1289/1326] [subset] format tweak, doc string

---
 src/hb-subset-input.cc | 12 +++++++++---
 src/hb-subset.h        |  2 +-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/hb-subset-input.cc b/src/hb-subset-input.cc
index 69aa9d61a..c4003dd3a 100644
--- a/src/hb-subset-input.cc
+++ b/src/hb-subset-input.cc
@@ -53,9 +53,9 @@ hb_subset_input_create_or_fail (void)
  * hb_subset_input_reference: (skip)
  * @subset_input: a subset_input.
  *
- * 
  *
- * Return value: 
+ *
+ * Return value:
  *
  * Since: 1.8.0
  **/
@@ -106,8 +106,14 @@ hb_subset_input_glyph_set (hb_subset_input_t *subset_input)
   return subset_input->glyphs;
 }
 
+/**
+ * hb_subset_input_drop_hints:
+ * @subset_input: a subset_input.
+ *
+ * Since: 1.8.0
+ **/
 HB_EXTERN hb_bool_t *
-hb_subset_input_drop_hints(hb_subset_input_t *subset_input)
+hb_subset_input_drop_hints (hb_subset_input_t *subset_input)
 {
   return &subset_input->drop_hints;
 }
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 1af7cba53..55ce25b0a 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -69,7 +69,7 @@ HB_EXTERN hb_set_t *
 hb_subset_input_glyph_set (hb_subset_input_t *subset_input);
 
 HB_EXTERN hb_bool_t *
-hb_subset_input_drop_hints(hb_subset_input_t *subset_input);
+hb_subset_input_drop_hints (hb_subset_input_t *subset_input);
 
 /* hb_subset() */
 

From 5267520e078ed413df78f3a6781fd5370b6da63a Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Fri, 23 Feb 2018 18:36:22 -0800
Subject: [PATCH 1290/1326] [subset] update hdmx test to create input
 explicitly

---
 test/api/test-subset-hdmx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/api/test-subset-hdmx.c b/test/api/test-subset-hdmx.c
index 291eb7937..5211dbc48 100644
--- a/test/api/test-subset-hdmx.c
+++ b/test/api/test-subset-hdmx.c
@@ -41,7 +41,7 @@ test_subset_hdmx_simple_subset (void)
   hb_set_t *codepoints = hb_set_create ();
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'c');
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('h','d','m','x'));
@@ -60,7 +60,7 @@ test_subset_hdmx_noop (void)
   hb_set_add (codepoints, 'a');
   hb_set_add (codepoints, 'b');
   hb_set_add (codepoints, 'c');
-  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, codepoints);
+  hb_face_t *face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
   hb_set_destroy (codepoints);
 
   hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('h','d','m','x'));

From b91e8da36e164168cd532fd6e6950c5d743a14dd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 23 Feb 2018 22:51:17 -0800
Subject: [PATCH 1291/1326] Include hb-version.h in git (#825)

---
 CMakeLists.txt       | 36 ++++++++++++------------
 src/Makefile.am      |  8 ++----
 src/Makefile.sources |  3 --
 src/hb-version.h     | 66 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 87 insertions(+), 26 deletions(-)
 create mode 100644 src/hb-version.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b4e10899..f7a5d8308 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -137,7 +137,7 @@ set (IN_HB_DIST FALSE)
 if (EXISTS "${PROJECT_SOURCE_DIR}/ChangeLog")
   # perhaps we are on dist directory
   set (IN_HB_DIST TRUE)
-  set (HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
+  #set (HB_VERSION_H "${PROJECT_SOURCE_DIR}/src/hb-version.h")
 endif ()
 
 
@@ -180,13 +180,13 @@ add_prefix_to_list(HB_SUBSET_headers "${PROJECT_SOURCE_DIR}/src/")
 
 extract_make_variable(HB_BASE_RAGEL_GENERATED_sources ${SRCSOURCES})
 extract_make_variable(HB_OT_RAGEL_GENERATED_sources ${SRCSOURCES})
-if (IN_HB_DIST)
+#if (IN_HB_DIST)
   add_prefix_to_list(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src/")
   add_prefix_to_list(HB_OT_RAGEL_GENERATED_sources "${PROJECT_SOURCE_DIR}/src/")
-else ()
-  add_prefix_to_list(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/")
-  add_prefix_to_list(HB_OT_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/")
-endif ()
+#else ()
+#  add_prefix_to_list(HB_BASE_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/")
+#  add_prefix_to_list(HB_OT_RAGEL_GENERATED_sources "${PROJECT_BINARY_DIR}/src/")
+#endif ()
 
 extract_make_variable(HB_VIEW_sources ${UTILSOURCES})
 add_prefix_to_list(HB_VIEW_sources "${PROJECT_SOURCE_DIR}/util/")
@@ -234,17 +234,17 @@ endif ()
 
 
 ## Generate hb-version.h
-if (NOT IN_HB_DIST)
-  set (HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")
-  set (HB_VERSION_H "${PROJECT_BINARY_DIR}/src/hb-version.h")
-  set_source_files_properties("${HB_VERSION_H}" PROPERTIES GENERATED true)
-  configure_file("${HB_VERSION_H_IN}" "${HB_VERSION_H}.tmp" @ONLY)
-  execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different
-    "${HB_VERSION_H}.tmp"
-    "${HB_VERSION_H}"
-  )
-  file(REMOVE "${HB_VERSION_H}.tmp")
-endif ()
+#if (NOT IN_HB_DIST)
+#  set (HB_VERSION_H_IN "${PROJECT_SOURCE_DIR}/src/hb-version.h.in")
+#  set (HB_VERSION_H "${PROJECT_BINARY_DIR}/src/hb-version.h")
+#  set_source_files_properties("${HB_VERSION_H}" PROPERTIES GENERATED true)
+#  configure_file("${HB_VERSION_H_IN}" "${HB_VERSION_H}.tmp" @ONLY)
+#  execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different
+#    "${HB_VERSION_H}.tmp"
+#    "${HB_VERSION_H}"
+#  )
+#  file(REMOVE "${HB_VERSION_H}.tmp")
+#endif ()
 
 
 ## Define sources and headers of the project
@@ -264,7 +264,7 @@ set (subset_project_sources
 set (project_extra_sources)
 
 set (project_headers
-  ${HB_VERSION_H}
+  #${HB_VERSION_H}
 
   ${HB_BASE_headers}
   ${HB_OT_headers}
diff --git a/src/Makefile.am b/src/Makefile.am
index c4d5fb85b..3f98e1db6 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -30,7 +30,6 @@ HBDEPS =
 HBSOURCES =  $(HB_BASE_sources)
 HBSOURCES += $(HB_BASE_RAGEL_GENERATED_sources)
 HBHEADERS = $(HB_BASE_headers)
-HBNODISTHEADERS = $(HB_NODIST_headers)
 
 if WITH_LIBSTDCXX
 HBNOLIBCXXCFLAGS =
@@ -147,13 +146,13 @@ endif
 
 base_link_flags = $(AM_LDFLAGS) -lm -version-info $(HB_LIBTOOL_VERSION_INFO) -no-undefined
 libharfbuzz_la_LINK = $(chosen_linker) $(libharfbuzz_la_LDFLAGS)
-libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS) $(HBNODISTHEADERS)
+libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS)
 libharfbuzz_la_CPPFLAGS = $(HBCFLAGS) $(HBNOLIBCXXFLAGS)
 libharfbuzz_la_LDFLAGS = $(base_link_flags) $(export_symbols)
 libharfbuzz_la_LIBADD = $(HBLIBS)
 EXTRA_libharfbuzz_la_DEPENDENCIES = $(harfbuzz_def_dependency)
 pkginclude_HEADERS = $(HBHEADERS)
-nodist_pkginclude_HEADERS = $(HBNODISTHEADERS)
+nodist_pkginclude_HEADERS =
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = harfbuzz.pc
 cmakedir = $(libdir)/cmake/harfbuzz
@@ -392,7 +391,7 @@ TESTS_ENVIRONMENT = \
 	srcdir="$(srcdir)" \
 	MAKE="$(MAKE) $(AM_MAKEFLAGS)" \
 	HBSOURCES="$(HBSOURCES)" \
-	HBHEADERS="$(HBHEADERS) $(HBNODISTHEADERS)" \
+	HBHEADERS="$(HBHEADERS)" \
 	$(NULL)
 
 if HAVE_INTROSPECTION
@@ -422,7 +421,6 @@ HarfBuzz_0_0_gir_LIBS = \
 	$(NULL)
 HarfBuzz_0_0_gir_FILES = \
 	$(HBHEADERS) \
-	$(HBNODISTHEADERS) \
 	$(HBSOURCES) \
 	$(HB_GOBJECT_sources) \
 	$(HB_GOBJECT_headers) \
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 2bb56b4f9..c07189d19 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -70,9 +70,6 @@ HB_BASE_headers = \
 	hb-shape.h \
 	hb-shape-plan.h \
 	hb-unicode.h \
-	$(NULL)
-
-HB_NODIST_headers = \
 	hb-version.h \
 	$(NULL)
 
diff --git a/src/hb-version.h b/src/hb-version.h
new file mode 100644
index 000000000..f0f5a1814
--- /dev/null
+++ b/src/hb-version.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright © 2011  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_H_IN
+#error "Include <hb.h> instead."
+#endif
+
+#ifndef HB_VERSION_H
+#define HB_VERSION_H
+
+#include "hb-common.h"
+
+HB_BEGIN_DECLS
+
+
+#define HB_VERSION_MAJOR 1
+#define HB_VERSION_MINOR 7
+#define HB_VERSION_MICRO 5
+
+#define HB_VERSION_STRING "1.7.5"
+
+#define HB_VERSION_ATLEAST(major,minor,micro) \
+	((major)*10000+(minor)*100+(micro) <= \
+	 HB_VERSION_MAJOR*10000+HB_VERSION_MINOR*100+HB_VERSION_MICRO)
+
+
+HB_EXTERN void
+hb_version (unsigned int *major,
+	    unsigned int *minor,
+	    unsigned int *micro);
+
+HB_EXTERN const char *
+hb_version_string (void);
+
+HB_EXTERN hb_bool_t
+hb_version_atleast (unsigned int major,
+		    unsigned int minor,
+		    unsigned int micro);
+
+
+HB_END_DECLS
+
+#endif /* HB_VERSION_H */

From 1ab16f4556ef3e54a40b63cf4570c0ae986894e7 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sat, 24 Feb 2018 12:49:42 +0330
Subject: [PATCH 1292/1326] [aat] Implement trak logic (#816)

---
 src/hb-aat-layout-kerx-table.hh |  7 +++
 src/hb-aat-layout-private.hh    |  3 ++
 src/hb-aat-layout-trak-table.hh | 78 +++++++++++++++++++++++++++++++--
 src/hb-aat-layout.cc            | 46 +++++++++++++++++++
 src/hb-open-type-private.hh     |  4 +-
 src/hb-ot-layout-private.hh     | 22 ++++++++++
 src/hb-ot-layout.cc             |  4 ++
 src/hb-ot-shape.cc              |  2 +
 8 files changed, 161 insertions(+), 5 deletions(-)

diff --git a/src/hb-aat-layout-kerx-table.hh b/src/hb-aat-layout-kerx-table.hh
index b061f11d2..06282e2ce 100644
--- a/src/hb-aat-layout-kerx-table.hh
+++ b/src/hb-aat-layout-kerx-table.hh
@@ -263,6 +263,13 @@ struct kerx
 {
   static const hb_tag_t tableTag = HB_AAT_TAG_kerx;
 
+  inline bool apply (hb_aat_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    /* TODO */
+    return_trace (false);
+  }
+
   struct SubTableWrapper
   {
     enum coverage_flags_t {
diff --git a/src/hb-aat-layout-private.hh b/src/hb-aat-layout-private.hh
index c1c607a2f..ce75c8e71 100644
--- a/src/hb-aat-layout-private.hh
+++ b/src/hb-aat-layout-private.hh
@@ -37,4 +37,7 @@
 HB_INTERNAL void
 hb_aat_layout_substitute (hb_font_t *font, hb_buffer_t *buffer);
 
+HB_INTERNAL void
+hb_aat_layout_position (hb_font_t *font, hb_buffer_t *buffer);
+
 #endif /* HB_AAT_LAYOUT_PRIVATE_HH */
diff --git a/src/hb-aat-layout-trak-table.hh b/src/hb-aat-layout-trak-table.hh
index 6dbd05ab5..a5dc3ffd0 100644
--- a/src/hb-aat-layout-trak-table.hh
+++ b/src/hb-aat-layout-trak-table.hh
@@ -1,6 +1,6 @@
 /*
- * Copyright © 2018  Google, Inc.
  * Copyright © 2018  Ebrahim Byagowi
+ * Copyright © 2018  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
@@ -45,10 +45,15 @@ struct TrackTableEntry
     return_trace (c->check_struct (this));
   }
 
+  inline float get_value (const void *base, unsigned int index) const
+  {
+    return (base+values)[index];
+  }
+
   protected:
   Fixed			track;		/* Track value for this record. */
   HBUINT16		trackNameID;	/* The 'name' table index for this track */
-  OffsetTo<UnsizedArrayOf<Fixed> >
+  OffsetTo<UnsizedArrayOf<HBINT16> >
 			values;		/* Offset from start of tracking table to
 					 * per-size tracking values for this track. */
 
@@ -61,15 +66,48 @@ struct TrackData
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
+    /* TODO */
     return_trace (c->check_struct (this));
   }
 
+  inline float get_tracking (const void *base, float ptem) const
+  {
+    /* CoreText points are CSS pixels (96 per inch),
+     * NOT typographic points (72 per inch).
+     *
+     * https://developer.apple.com/library/content/documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Explained/Explained.html
+     */
+    float csspx = ptem * 96.f / 72.f;
+    Fixed fixed_size;
+    fixed_size.set_float (csspx);
+
+    // TODO: Make indexing work and use only an entry with zero track
+    const TrackTableEntry trackTableEntry = trackTable[0];
+
+    unsigned int size_index;
+    for (size_index = 0; size_index < nSizes; ++size_index)
+      if ((base+sizeTable)[size_index] >= fixed_size)
+        break;
+
+    // We don't attempt to extrapolate to larger or smaller values
+    if (size_index == nSizes)
+      return trackTableEntry.get_value (base, nSizes - 1);
+    if (size_index == 0 || (base+sizeTable)[size_index] == fixed_size)
+      return trackTableEntry.get_value (base, size_index);
+
+    float s0 = (base+sizeTable)[size_index - 1].to_float ();
+    float s1 = (base+sizeTable)[size_index].to_float ();
+    float t = (csspx - s0) / (s1 - s0);
+    return t * trackTableEntry.get_value (base, size_index) +
+      (1.0 - t) * trackTableEntry.get_value (base, size_index - 1);
+  }
+
   protected:
   HBUINT16		nTracks;	/* Number of separate tracks included in this table. */
   HBUINT16		nSizes;		/* Number of point sizes included in this table. */
   LOffsetTo<UnsizedArrayOf<Fixed> >
 			sizeTable;
-  TrackTableEntry	trackTable[VAR];/* Array[nSizes] of size values. */
+  UnsizedArrayOf<TrackTableEntry>	trackTable;/* Array[nSizes] of size values. */
 
   public:
   DEFINE_SIZE_ARRAY (8, trackTable);
@@ -82,9 +120,43 @@ struct trak
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
+    /* TODO */
     return_trace (c->check_struct (this));
   }
 
+  inline bool apply (hb_aat_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    const float ptem = c->font->ptem;
+    if (ptem > 0.f)
+    {
+      hb_buffer_t *buffer = c->buffer;
+      if (HB_DIRECTION_IS_HORIZONTAL (c->buffer->props.direction))
+      {
+        const TrackData trackData = this+horizOffset;
+        float tracking = trackData.get_tracking (this, ptem);
+        hb_position_t advance_to_add = c->font->em_scalef_x (tracking / 2);
+        foreach_grapheme (buffer, start, end)
+        {
+          buffer->pos[start].x_advance += advance_to_add;
+          buffer->pos[end].x_advance += advance_to_add;
+        }
+      }
+      else
+      {
+        const TrackData trackData = this+vertOffset;
+        float tracking = trackData.get_tracking (this, ptem);
+        hb_position_t advance_to_add = c->font->em_scalef_y (tracking / 2);
+        foreach_grapheme (buffer, start, end)
+        {
+          buffer->pos[start].y_advance += advance_to_add;
+          buffer->pos[end].y_advance += advance_to_add;
+        }
+      }
+    }
+    return_trace (false);
+  }
+
   protected:
   FixedVersion<>	version;	/* Version of the tracking table--currently
 					 * 0x00010000u for version 1.0. */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 3b967c6b7..2b67bf362 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -55,6 +55,40 @@ _get_morx (hb_face_t *face, hb_blob_t **blob = nullptr)
   return morx;
 }
 
+static inline const AAT::kerx&
+_get_kerx (hb_face_t *face, hb_blob_t **blob = nullptr)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face)))
+  {
+    if (blob)
+      *blob = hb_blob_get_empty ();
+    return OT::Null(AAT::kerx);
+  }
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  /* XXX this doesn't call set_num_glyphs on sanitizer. */
+  const AAT::kerx& kerx = *(layout->kerx.get ());
+  if (blob)
+    *blob = layout->kerx.blob;
+  return kerx;
+}
+
+static inline const AAT::trak&
+_get_trak (hb_face_t *face, hb_blob_t **blob = nullptr)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face)))
+  {
+    if (blob)
+      *blob = hb_blob_get_empty ();
+    return OT::Null(AAT::trak);
+  }
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  /* XXX this doesn't call set_num_glyphs on sanitizer. */
+  const AAT::trak& trak = *(layout->trak.get ());
+  if (blob)
+    *blob = layout->trak.blob;
+  return trak;
+}
+
 static inline void
 _hb_aat_layout_create (hb_face_t *face)
 {
@@ -78,3 +112,15 @@ hb_aat_layout_substitute (hb_font_t *font, hb_buffer_t *buffer)
   AAT::hb_aat_apply_context_t c (font, buffer, blob);
   morx.apply (&c);
 }
+
+void
+hb_aat_layout_position (hb_font_t *font, hb_buffer_t *buffer)
+{
+  hb_blob_t *blob;
+  const AAT::kerx& kerx = _get_kerx (font->face, &blob);
+  const AAT::trak& trak = _get_trak (font->face, &blob);
+
+  AAT::hb_aat_apply_context_t c (font, buffer, blob);
+  kerx.apply (&c);
+  trak.apply (&c);
+}
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index f5c20bcb6..e46578871 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -692,8 +692,8 @@ struct F2DOT14 : HBINT16
 /* 32-bit signed fixed-point number (16.16). */
 struct Fixed: HBINT32
 {
-  //inline float to_float (void) const { return ???; }
-  //inline void set_float (float f) { v.set (f * ???); }
+  inline float to_float (void) const { return ((int32_t) v) / 65536.0; }
+  inline void set_float (float f) { v.set (round (f * 65536.0)); }
   public:
   DEFINE_SIZE_STATIC (4);
 };
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 0c3bcbc5b..ce1f6a8ec 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -363,6 +363,28 @@ _hb_glyph_info_get_modified_combining_class (const hb_glyph_info_t *info)
   return _hb_glyph_info_is_unicode_mark (info) ? info->unicode_props()>>8 : 0;
 }
 
+
+/* Loop over grapheme. Based on foreach_cluster(). */
+#define foreach_grapheme(buffer, start, end) \
+  for (unsigned int \
+       _count = buffer->len, \
+       start = 0, end = _count ? _next_grapheme (buffer, 0) : 0; \
+       start < _count; \
+       start = end, end = _next_grapheme (buffer, start))
+
+static inline unsigned int
+_next_grapheme (hb_buffer_t *buffer, unsigned int start)
+{
+  hb_glyph_info_t *info = buffer->info;
+  unsigned int count = buffer->len;
+
+  while (++start < count && _hb_glyph_info_is_unicode_mark (&info[start]))
+    ;
+
+  return start;
+}
+
+
 #define info_cc(info) (_hb_glyph_info_get_modified_combining_class (&(info)))
 
 static inline bool
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 4cf6c722c..b92ba05f4 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -65,6 +65,8 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->fvar.init (face);
   layout->avar.init (face);
   layout->morx.init (face);
+  layout->kerx.init (face);
+  layout->trak.init (face);
 
   {
     /*
@@ -215,6 +217,8 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   layout->fvar.fini ();
   layout->avar.fini ();
   layout->morx.fini ();
+  layout->kerx.fini ();
+  layout->trak.fini ();
 
   free (layout);
 }
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index d9ba0f6b3..d2d8012d0 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -787,6 +787,8 @@ hb_ot_position (hb_ot_shape_context_t *c)
     _hb_ot_shape_fallback_kern (c->plan, c->font, c->buffer);
 
   _hb_buffer_deallocate_gsubgpos_vars (c->buffer);
+
+  //hb_aat_layout_position (c->font, c->buffer);
 }
 
 static inline void

From cd28eb9f5dc237325c64380d9d87e673b8e94985 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sat, 24 Feb 2018 14:17:54 +0330
Subject: [PATCH 1293/1326] Add -Werror=unused-function check to Travis (#832)

---
 .travis.yml          |  4 ++--
 src/hb-aat-layout.cc | 24 ++++++++++++------------
 test/api/test-set.c  | 19 ++++++++++---------
 3 files changed, 24 insertions(+), 23 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 662fab59b..02accdc94 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,8 @@ language: cpp
 env:
   global:
     - CPPFLAGS=""
-    - CFLAGS="-Werror --coverage"
-    - CXXFLAGS="-Werror -Wno-deprecated-register --coverage" # glib uses register and clang raises a warning
+    - CFLAGS="-Werror -Werror=unused-function --coverage"
+    - CXXFLAGS="-Werror -Werror=unused-function -Wno-deprecated-register --coverage" # glib uses register and clang raises a warning
     - LDFLAGS="--coverage"
     - CONFIGURE_OPTS="--with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2"
     - NOCONFIGURE=1
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 2b67bf362..652ed54bc 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -89,19 +89,19 @@ _get_trak (hb_face_t *face, hb_blob_t **blob = nullptr)
   return trak;
 }
 
-static inline void
-_hb_aat_layout_create (hb_face_t *face)
-{
-  OT::Sanitizer<AAT::morx> sanitizer;
-  sanitizer.set_num_glyphs (face->get_num_glyphs ());
-  hb_blob_t *morx_blob = sanitizer.sanitize (face->reference_table (HB_AAT_TAG_MORX));
-  OT::Sanitizer<AAT::morx>::lock_instance (morx_blob);
+// static inline void
+// _hb_aat_layout_create (hb_face_t *face)
+// {
+//   OT::Sanitizer<AAT::morx> sanitizer;
+//   sanitizer.set_num_glyphs (face->get_num_glyphs ());
+//   hb_blob_t *morx_blob = sanitizer.sanitize (face->reference_table (HB_AAT_TAG_MORX));
+//   OT::Sanitizer<AAT::morx>::lock_instance (morx_blob);
 
-  if (0)
-  {
-    OT::Sanitizer<AAT::Lookup<OT::GlyphID> >::lock_instance (morx_blob)->get_value (1, face->get_num_glyphs ());
-  }
-}
+//   if (0)
+//   {
+//     OT::Sanitizer<AAT::Lookup<OT::GlyphID> >::lock_instance (morx_blob)->get_value (1, face->get_num_glyphs ());
+//   }
+// }
 
 void
 hb_aat_layout_substitute (hb_font_t *font, hb_buffer_t *buffer)
diff --git a/test/api/test-set.c b/test/api/test-set.c
index 60e11d981..1c51e8469 100644
--- a/test/api/test-set.c
+++ b/test/api/test-set.c
@@ -121,15 +121,16 @@ test_set_basic (void)
   hb_set_destroy (s);
 }
 
-static inline void
-print_set (hb_set_t *s)
-{
-  hb_codepoint_t next;
-  printf ("{");
-  for (next = HB_SET_VALUE_INVALID; hb_set_next (s, &next); )
-    printf ("%d, ", next);
-  printf ("}\n");
-}
+
+// static inline void
+// print_set (hb_set_t *s)
+// {
+//   hb_codepoint_t next;
+//   printf ("{");
+//   for (next = HB_SET_VALUE_INVALID; hb_set_next (s, &next); )
+//     printf ("%d, ", next);
+//   printf ("}\n");
+// }
 
 static void
 test_set_algebra (void)

From c73255f3eb2f060ec72d18790b374f6b6e4032aa Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Sat, 24 Feb 2018 00:44:07 +0200
Subject: [PATCH 1294/1326] Workaround for old automake on Travis Linux images

https://github.com/harfbuzz/harfbuzz/pull/821#issuecomment-368116538
---
 .ci/fail.sh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/.ci/fail.sh b/.ci/fail.sh
index 91701d33c..4e0069e3f 100755
--- a/.ci/fail.sh
+++ b/.ci/fail.sh
@@ -2,11 +2,17 @@
 
 for f in $(find . -name '*.log' -not -name 'config.log'); do
     last=$(tail -1 $f)
-    if [[ $last = FAIL* || $last = *failed* ]]; then
+    if [[ $last = FAIL* ]]; then
         echo '====' $f '===='
         cat $f
+    elif [[ $last = PASS* ]]; then
+        # Do nothing.
+        true
+    else
+	# Travis Linux images has an old automake that does not match the
+	# patterns above, so in case of doubt just print the file.
+        cat $f
     fi
 done
 
-# Intentionally exiting with non-zero.
 exit 1

From a8d3c2c030d2c21c70e0b8bd43f7d05ff4818b75 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sat, 24 Feb 2018 16:42:12 +0330
Subject: [PATCH 1295/1326] [ci] Add clang O3/O0 testers (#834)

---
 .circleci/config.yml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index e30b5b45b..d804afce9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -37,6 +37,21 @@ jobs:
       - run: make
       - run: make check || .ci/fail.sh
 
+  clang-O3-O0:
+    docker:
+      - image: multiarch/crossbuild
+    steps:
+      - checkout
+      - run: apt update && apt install -y ragel libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev python python-pip
+      - run: pip install fonttools
+      - run: wget http://download.savannah.gnu.org/releases/freetype/freetype-2.9.tar.bz2 && tar xf freetype-2.9.tar.bz2 && cd freetype-2.9 && ./autogen.sh && ./configure && make -j4 && cd ..
+      - run: CFLAGS="-O3" CXXFLAGS="-O3" CC=clang CXX=clang++ ./autogen.sh --with-freetype --with-glib --with-cairo --with-icu --with-graphite2
+      - run: make
+      - run: LD_LIBRARY_PATH="$PWD/freetype-2.9/objs/.libs" make check || .ci/fail.sh
+      - run: CFLAGS="-O0" CXXFLAGS="-O0" CC=clang CXX=clang++ ./autogen.sh --with-freetype --with-glib --with-cairo --with-icu --with-graphite2
+      - run: make
+      - run: LD_LIBRARY_PATH="$PWD/freetype-2.9/objs/.libs" make check || .ci/fail.sh
+
   fedora-outoftreebuild:
     docker:
       - image: fedora
@@ -153,6 +168,7 @@ workflows:
       # autotools based builds
       - alpine-O3
       - archlinux-debug-O0
+      - clang-O3-O0
       - fedora-outoftreebuild
 
       # cmake based builds

From 551fa2d200a06d00d054f2c8e7aad1cb4d25249b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 25 Feb 2018 16:32:17 -0800
Subject: [PATCH 1296/1326] [BASE] Minor

---
 src/Makefile.sources           |   1 -
 src/hb-ot-base.cc              |  58 -------------------
 src/hb-ot-layout-base-table.hh | 103 ++++++++++++++++++++++-----------
 src/hb-ot-layout.cc            |  34 +++++++++++
 src/hb-ot-layout.h             |   1 +
 5 files changed, 105 insertions(+), 92 deletions(-)
 delete mode 100644 src/hb-ot-base.cc

diff --git a/src/Makefile.sources b/src/Makefile.sources
index cecd64479..496850080 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -87,7 +87,6 @@ HB_OT_sources = \
 	hb-aat-layout-kerx-table.hh \
 	hb-aat-layout-trak-table.hh \
 	hb-aat-layout-private.hh \
-	hb-ot-base.cc \
 	hb-ot-font.cc \
 	hb-ot-layout.cc \
 	hb-ot-layout-base-table.hh \
diff --git a/src/hb-ot-base.cc b/src/hb-ot-base.cc
deleted file mode 100644
index 27e0b208a..000000000
--- a/src/hb-ot-base.cc
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright © 2017 Elie Roux<elie.roux@telecom-bretagne.eu>
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- */
-
-#include "hb-open-type-private.hh"
-
-#include "hb-ot-layout-private.hh"
-#include "hb-ot-layout-base-table.hh"
-
-static inline const OT::BASE&
-_get_base (hb_face_t *face)
-{
-  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::BASE);
-  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-  return *(layout->base.get ());
-}
-
-/*
- * OT::BASE
- */
-
-/**
- * hb_ot_base_has_data:
- * @face: #hb_face_t to test
- *
- * This function allows to verify the presence of an OpenType BASE table on the
- * face.
- *
- * Return value: true if face has a BASE table, false otherwise
- *
- * Since: XXX
- **/
-hb_bool_t
-hb_ot_base_has_data (hb_face_t *face)
-{
-  return &_get_base (face) != &OT::Null(OT::BASE);
-}
diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index 780186046..169a13f3b 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -221,40 +221,39 @@ struct MinMax {
 
 };
 
-struct BaseLangSysRecord {
-
+struct BaseLangSysRecord
+{
   inline Tag get_tag(void) const
   { return baseLangSysTag; }
 
   inline unsigned int get_feature_tag_index (Tag featureTableTag) const
-  { (this+minMax).get_feature_tag_index(featureTableTag); }
+  { return (this+minMax).get_feature_tag_index(featureTableTag); }
 
   inline HBINT16 get_min_value (unsigned int featureTableTagIndex) const
-  { (this+minMax).get_min_value(featureTableTagIndex); }
+  { return (this+minMax).get_min_value(featureTableTagIndex); }
 
   inline HBINT16 get_max_value (unsigned int featureTableTagIndex) const
-  { (this+minMax).get_max_value(featureTableTagIndex); }
+  { return (this+minMax).get_max_value(featureTableTagIndex); }
 
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-      minMax != Null(OffsetTo<MinMax>) &&
-      minMax.sanitize (c, base));
+		  minMax != Null(OffsetTo<MinMax>) &&
+		  minMax.sanitize (c, base));
   }
 
   protected:
-  Tag               baseLangSysTag;
-  OffsetTo<MinMax>  minMax; // not supposed to be NULL
-
+  Tag			baseLangSysTag;
+  OffsetTo<MinMax>	minMax;
   public:
-  DEFINE_SIZE_STATIC (6); 
+  DEFINE_SIZE_STATIC (6);
 
 };
 
-struct BaseValues {
-
-  inline const unsigned int get_default_base_tag_index (void) const
+struct BaseValues
+{
+  inline unsigned int get_default_base_tag_index (void) const
   { return defaultIndex; }
 
   inline HBINT16 get_base_coord (unsigned int baselineTagIndex) const
@@ -272,10 +271,9 @@ struct BaseValues {
   }
 
   protected:
-  Index                     defaultIndex;
-  HBUINT16                    baseCoordCount;
-  OffsetArrayOf<BaseCoord>  baseCoords;
-
+  Index				defaultIndex;
+  HBUINT16			baseCoordCount;
+  OffsetArrayOf<BaseCoord>	baseCoords;
   public:
   DEFINE_SIZE_ARRAY (6, baseCoords);
 
@@ -711,26 +709,66 @@ struct BASE
   inline unsigned int get_horiz_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
   { return u.format1_0.get_horiz_lang_tag_index(baseScriptIndex, baseLangSysTag); }
 
-  inline unsigned int get_horiz_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
-  { return u.format1_0.get_horiz_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag); }
+  inline unsigned int get_horiz_feature_tag_index (unsigned int baseScriptIndex,
+						   unsigned int baseLangSysIndex,
+						   Tag featureTableTag) const
+  {
+    return u.format1_0.get_horiz_feature_tag_index (baseScriptIndex,
+						    baseLangSysIndex,
+						    featureTableTag);
+  }
 
-  inline HBINT16 get_horiz_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
-  { return u.format1_0.get_horiz_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
+  inline HBINT16 get_horiz_max_value (unsigned int baseScriptIndex,
+				      unsigned int baseLangSysIndex,
+				      unsigned int featureTableTagIndex) const
+  {
+    return u.format1_0.get_horiz_max_value (baseScriptIndex,
+					    baseLangSysIndex,
+					    featureTableTagIndex);
+  }
 
-  inline HBINT16 get_horiz_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
-  { return u.format1_0.get_horiz_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
+  inline HBINT16 get_horiz_min_value (unsigned int baseScriptIndex,
+				      unsigned int baseLangSysIndex,
+				      unsigned int featureTableTagIndex) const
+  {
+    return u.format1_0.get_horiz_min_value (baseScriptIndex,
+					    baseLangSysIndex,
+					    featureTableTagIndex);
+  }
 
-  inline unsigned int get_vert_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
-  { return u.format1_0.get_vert_lang_tag_index(baseScriptIndex, baseLangSysTag); }
+  inline unsigned int get_vert_lang_tag_index (unsigned int baseScriptIndex,
+					       Tag baseLangSysTag) const
+  {
+    return u.format1_0.get_vert_lang_tag_index (baseScriptIndex,
+						baseLangSysTag);
+  }
 
-  inline unsigned int get_vert_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
-  { return u.format1_0.get_vert_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag); }
+  inline unsigned int get_vert_feature_tag_index (unsigned int baseScriptIndex,
+						  unsigned int baseLangSysIndex,
+						  Tag featureTableTag) const
+  {
+    return u.format1_0.get_vert_feature_tag_index (baseScriptIndex,
+						   baseLangSysIndex,
+						   featureTableTag);
+  }
 
-  inline HBINT16 get_vert_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
-  { return u.format1_0.get_vert_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
+  inline HBINT16 get_vert_max_value (unsigned int baseScriptIndex,
+				     unsigned int baseLangSysIndex,
+				     unsigned int featureTableTagIndex) const
+  {
+    return u.format1_0.get_vert_max_value (baseScriptIndex,
+					   baseLangSysIndex,
+					   featureTableTagIndex);
+  }
 
-  inline HBINT16 get_vert_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
-  { return u.format1_0.get_vert_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
+  inline HBINT16 get_vert_min_value (unsigned int baseScriptIndex,
+				     unsigned int baseLangSysIndex,
+				     unsigned int featureTableTagIndex) const
+  {
+    return u.format1_0.get_vert_min_value (baseScriptIndex,
+					   baseLangSysIndex,
+					   featureTableTagIndex);
+  }
 
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -750,7 +788,6 @@ struct BASE
     BASEFormat1_0   format1_0;
     BASEFormat1_1   format1_1;
   } u;
-
   public:
   DEFINE_SIZE_UNION (4, version);
 };
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 68eb125d0..3a1332122 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -222,6 +222,14 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   free (layout);
 }
 
+static inline const OT::BASE&
+_get_base (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::BASE);
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  return *(layout->base.get ());
+}
+
 static inline const OT::GDEF&
 _get_gdef (hb_face_t *face)
 {
@@ -1267,3 +1275,29 @@ hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
 {
   apply_string<GSUBProxy> (c, lookup, accel);
 }
+
+
+
+
+/*
+ * OT::BASE
+ */
+
+#if 0
+/**
+ * hb_ot_base_has_data:
+ * @face: #hb_face_t to test
+ *
+ * This function allows to verify the presence of an OpenType BASE table on the
+ * face.
+ *
+ * Return value: true if face has a BASE table, false otherwise
+ *
+ * Since: XXX
+ **/
+hb_bool_t
+hb_ot_base_has_data (hb_face_t *face)
+{
+  return &_get_base (face) != &OT::Null(OT::BASE);
+}
+#endif
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 9861f0fc7..077644c55 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -38,6 +38,7 @@
 HB_BEGIN_DECLS
 
 
+#define HB_OT_TAG_BASE HB_TAG('B','A','S','E')
 #define HB_OT_TAG_GDEF HB_TAG('G','D','E','F')
 #define HB_OT_TAG_GSUB HB_TAG('G','S','U','B')
 #define HB_OT_TAG_GPOS HB_TAG('G','P','O','S')

From ae14dd0fb0a176f6f0143690907b51626999d248 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 26 Feb 2018 00:31:09 +0330
Subject: [PATCH 1297/1326] [aat] Implement ankr

---
 src/Makefile.sources            |  3 +-
 src/hb-aat-layout-ankr-table.hh | 86 +++++++++++++++++++++++++++++++++
 src/hb-aat-layout-kerx-table.hh |  2 +-
 src/hb-aat-layout.cc            | 37 ++++++++++----
 src/hb-ot-layout-private.hh     |  6 ++-
 src/hb-ot-layout.cc             |  6 ++-
 6 files changed, 124 insertions(+), 16 deletions(-)
 create mode 100644 src/hb-aat-layout-ankr-table.hh

diff --git a/src/Makefile.sources b/src/Makefile.sources
index c07189d19..7883412ca 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -80,8 +80,9 @@ HB_FALLBACK_sources = \
 HB_OT_sources = \
 	hb-aat-layout.cc \
 	hb-aat-layout-common-private.hh \
-	hb-aat-layout-morx-table.hh \
+	hb-aat-layout-ankr-table.hh \
 	hb-aat-layout-kerx-table.hh \
+	hb-aat-layout-morx-table.hh \
 	hb-aat-layout-trak-table.hh \
 	hb-aat-layout-private.hh \
 	hb-ot-font.cc \
diff --git a/src/hb-aat-layout-ankr-table.hh b/src/hb-aat-layout-ankr-table.hh
new file mode 100644
index 000000000..2a903fdaf
--- /dev/null
+++ b/src/hb-aat-layout-ankr-table.hh
@@ -0,0 +1,86 @@
+/*
+ * Copyright © 2018  Ebrahim Byagowi
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#ifndef HB_AAT_LAYOUT_ANKR_TABLE_HH
+#define HB_AAT_LAYOUT_ANKR_TABLE_HH
+
+#include "hb-aat-layout-common-private.hh"
+
+#define HB_AAT_TAG_ankr HB_TAG('a','n','k','r')
+
+
+namespace AAT {
+
+
+/*
+ * ankr -- Anchor point
+ */
+
+struct GlyphDataTable
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      (numPoints == 0) &&
+      (anchorPoints.sanitize (c, numPoints)));
+  }
+
+  protected:
+  HBUINT32			numPoints;	/* Number of anchor points for this glyph */
+  UnsizedArrayOf<HBUINT32>	anchorPoints;	/* Individual anchor points. Each anchor point is a two-byte
+						 * signed x-coordinate followed by a two-byte signed y-coordinate */
+
+  public:
+  DEFINE_SIZE_ARRAY (4, anchorPoints);
+};
+
+struct ankr
+{
+  static const hb_tag_t tableTag = HB_AAT_TAG_ankr;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+      (version == 0) &&
+      (flags == 0) &&
+      (lookupTableOffset == 0x0000000C) &&
+      (glyphDataTableOffset.sanitize (c, this)));
+  }
+
+  protected:
+  HBUINT16			version; 		/* Version number (set to zero) */
+  HBUINT16			flags;			/* Flags (currently unused; set to zero) */
+  LOffsetTo<const void*>	lookupTableOffset;	/* Offset to the table's lookup table */
+  LOffsetTo<GlyphDataTable>	glyphDataTableOffset;	/* Offset to the glyph data table */
+
+  public:
+  DEFINE_SIZE_MIN (12);
+};
+
+} /* namespace AAT */
+
+
+#endif /* HB_AAT_LAYOUT_ANKR_TABLE_HH */
diff --git a/src/hb-aat-layout-kerx-table.hh b/src/hb-aat-layout-kerx-table.hh
index 06282e2ce..505e5084b 100644
--- a/src/hb-aat-layout-kerx-table.hh
+++ b/src/hb-aat-layout-kerx-table.hh
@@ -263,7 +263,7 @@ struct kerx
 {
   static const hb_tag_t tableTag = HB_AAT_TAG_kerx;
 
-  inline bool apply (hb_aat_apply_context_t *c) const
+  inline bool apply (hb_aat_apply_context_t *c, const AAT::ankr *ankr) const
   {
     TRACE_APPLY (this);
     /* TODO */
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 652ed54bc..bdbe41f97 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -30,29 +30,29 @@
 #include "hb-ot-layout-gsubgpos-private.hh"
 
 #include "hb-aat-layout-private.hh"
-#include "hb-aat-layout-morx-table.hh"
+#include "hb-aat-layout-ankr-table.hh"
 #include "hb-aat-layout-kerx-table.hh"
+#include "hb-aat-layout-morx-table.hh"
 #include "hb-aat-layout-trak-table.hh"
 
 /*
  * mort/morx
  */
 
-static inline const AAT::morx&
-_get_morx (hb_face_t *face, hb_blob_t **blob = nullptr)
+static inline const AAT::ankr&
+_get_ankr (hb_face_t *face, hb_blob_t **blob = nullptr)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face)))
   {
     if (blob)
       *blob = hb_blob_get_empty ();
-    return OT::Null(AAT::morx);
+    return OT::Null(AAT::ankr);
   }
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-  /* XXX this doesn't call set_num_glyphs on sanitizer. */
-  const AAT::morx& morx = *(layout->morx.get ());
+  const AAT::ankr& ankr = *(layout->ankr.get ());
   if (blob)
-    *blob = layout->morx.blob;
-  return morx;
+    *blob = layout->ankr.blob;
+  return ankr;
 }
 
 static inline const AAT::kerx&
@@ -72,6 +72,23 @@ _get_kerx (hb_face_t *face, hb_blob_t **blob = nullptr)
   return kerx;
 }
 
+static inline const AAT::morx&
+_get_morx (hb_face_t *face, hb_blob_t **blob = nullptr)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face)))
+  {
+    if (blob)
+      *blob = hb_blob_get_empty ();
+    return OT::Null(AAT::morx);
+  }
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  /* XXX this doesn't call set_num_glyphs on sanitizer. */
+  const AAT::morx& morx = *(layout->morx.get ());
+  if (blob)
+    *blob = layout->morx.blob;
+  return morx;
+}
+
 static inline const AAT::trak&
 _get_trak (hb_face_t *face, hb_blob_t **blob = nullptr)
 {
@@ -82,7 +99,6 @@ _get_trak (hb_face_t *face, hb_blob_t **blob = nullptr)
     return OT::Null(AAT::trak);
   }
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-  /* XXX this doesn't call set_num_glyphs on sanitizer. */
   const AAT::trak& trak = *(layout->trak.get ());
   if (blob)
     *blob = layout->trak.blob;
@@ -117,10 +133,11 @@ void
 hb_aat_layout_position (hb_font_t *font, hb_buffer_t *buffer)
 {
   hb_blob_t *blob;
+  const AAT::ankr& ankr = _get_ankr (font->face, &blob);
   const AAT::kerx& kerx = _get_kerx (font->face, &blob);
   const AAT::trak& trak = _get_trak (font->face, &blob);
 
   AAT::hb_aat_apply_context_t c (font, buffer, blob);
-  kerx.apply (&c);
+  kerx.apply (&c, &ankr);
   trak.apply (&c);
 }
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index ce1f6a8ec..683ed7ba2 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -131,8 +131,9 @@ namespace OT {
 }
 
 namespace AAT {
-  struct morx;
+  struct ankr;
   struct kerx;
+  struct morx;
   struct trak;
 }
 
@@ -171,8 +172,9 @@ struct hb_ot_layout_t
   OT::hb_lazy_table_loader_t<struct OT::MATH> math;
   OT::hb_lazy_table_loader_t<struct OT::fvar> fvar;
   OT::hb_lazy_table_loader_t<struct OT::avar> avar;
-  OT::hb_lazy_table_loader_t<struct AAT::morx> morx;
+  OT::hb_lazy_table_loader_t<struct AAT::ankr> ankr;
   OT::hb_lazy_table_loader_t<struct AAT::kerx> kerx;
+  OT::hb_lazy_table_loader_t<struct AAT::morx> morx;
   OT::hb_lazy_table_loader_t<struct AAT::trak> trak;
 
   unsigned int gsub_lookup_count;
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index b92ba05f4..3273eccee 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -64,8 +64,9 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->math.init (face);
   layout->fvar.init (face);
   layout->avar.init (face);
-  layout->morx.init (face);
+  layout->ankr.init (face);
   layout->kerx.init (face);
+  layout->morx.init (face);
   layout->trak.init (face);
 
   {
@@ -216,8 +217,9 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   layout->math.fini ();
   layout->fvar.fini ();
   layout->avar.fini ();
-  layout->morx.fini ();
+  layout->ankr.fini ();
   layout->kerx.fini ();
+  layout->morx.fini ();
   layout->trak.fini ();
 
   free (layout);

From 6dd46fa598cacdd046ba4548bc6ddf7f37c46dee Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 25 Feb 2018 18:54:52 -0800
Subject: [PATCH 1298/1326] [aat/trak] Minor

Maybe we should make DEFINE_* make structs uncopyable.
---
 src/hb-aat-layout-trak-table.hh | 62 +++++++++++++++++++--------------
 1 file changed, 35 insertions(+), 27 deletions(-)

diff --git a/src/hb-aat-layout-trak-table.hh b/src/hb-aat-layout-trak-table.hh
index a5dc3ffd0..b248db2f6 100644
--- a/src/hb-aat-layout-trak-table.hh
+++ b/src/hb-aat-layout-trak-table.hh
@@ -42,6 +42,7 @@ struct TrackTableEntry
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
+    /* XXX Sanitize values */
     return_trace (c->check_struct (this));
   }
 
@@ -81,9 +82,12 @@ struct TrackData
     Fixed fixed_size;
     fixed_size.set_float (csspx);
 
-    // TODO: Make indexing work and use only an entry with zero track
-    const TrackTableEntry trackTableEntry = trackTable[0];
+    /* TODO Clean this up. */
 
+    // TODO: Make indexing work and use only an entry with zero track
+    const TrackTableEntry &trackTableEntry = trackTable[0];
+
+    /* TODO bfind() */
     unsigned int size_index;
     for (size_index = 0; size_index < nSizes; ++size_index)
       if ((base+sizeTable)[size_index] >= fixed_size)
@@ -127,42 +131,46 @@ struct trak
   inline bool apply (hb_aat_apply_context_t *c) const
   {
     TRACE_APPLY (this);
+
     const float ptem = c->font->ptem;
-    if (ptem > 0.f)
+    if (ptem <= 0.f)
+      return_trace (false);
+
+    hb_buffer_t *buffer = c->buffer;
+    if (HB_DIRECTION_IS_HORIZONTAL (buffer->props.direction))
     {
-      hb_buffer_t *buffer = c->buffer;
-      if (HB_DIRECTION_IS_HORIZONTAL (c->buffer->props.direction))
+      const TrackData &trackData = this+horizData;
+      float tracking = trackData.get_tracking (this, ptem);
+      hb_position_t advance_to_add = c->font->em_scalef_x (tracking / 2);
+      foreach_grapheme (buffer, start, end)
       {
-        const TrackData trackData = this+horizOffset;
-        float tracking = trackData.get_tracking (this, ptem);
-        hb_position_t advance_to_add = c->font->em_scalef_x (tracking / 2);
-        foreach_grapheme (buffer, start, end)
-        {
-          buffer->pos[start].x_advance += advance_to_add;
-          buffer->pos[end].x_advance += advance_to_add;
-        }
-      }
-      else
-      {
-        const TrackData trackData = this+vertOffset;
-        float tracking = trackData.get_tracking (this, ptem);
-        hb_position_t advance_to_add = c->font->em_scalef_y (tracking / 2);
-        foreach_grapheme (buffer, start, end)
-        {
-          buffer->pos[start].y_advance += advance_to_add;
-          buffer->pos[end].y_advance += advance_to_add;
-        }
+	/* TODO This is wrong. */
+	buffer->pos[start].x_advance += advance_to_add;
+	buffer->pos[end].x_advance += advance_to_add;
       }
     }
-    return_trace (false);
+    else
+    {
+      const TrackData &trackData = this+vertData;
+      float tracking = trackData.get_tracking (this, ptem);
+      hb_position_t advance_to_add = c->font->em_scalef_y (tracking / 2);
+      foreach_grapheme (buffer, start, end)
+      {
+	/* TODO This is wrong. */
+	buffer->pos[start].y_advance += advance_to_add;
+	buffer->pos[end].y_advance += advance_to_add;
+      }
+    }
+
+    return_trace (true);
   }
 
   protected:
   FixedVersion<>	version;	/* Version of the tracking table--currently
 					 * 0x00010000u for version 1.0. */
   HBUINT16		format; 	/* Format of the tracking table */
-  OffsetTo<TrackData>	horizOffset;	/* TrackData for horizontal text */
-  OffsetTo<TrackData>	vertOffset;	/* TrackData for vertical text */
+  OffsetTo<TrackData>	horizData;	/* TrackData for horizontal text */
+  OffsetTo<TrackData>	vertData;	/* TrackData for vertical text */
   HBUINT16		reserved;	/* Reserved. Set to 0. */
 
   public:

From df1c7d5b60520d2b3c756b700d5ac41668fc0983 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 25 Feb 2018 19:06:25 -0800
Subject: [PATCH 1299/1326] Minor

---
 src/hb-open-type-private.hh | 5 +++--
 src/hb-subset.cc            | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index e46578871..5d33199e1 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -740,8 +740,6 @@ template <typename Type>
 struct Offset : Type
 {
   inline bool is_null (void) const { return 0 == *this; }
-  public:
-  DEFINE_SIZE_STATIC (sizeof(Type));
 
   inline void *serialize (hb_serialize_context_t *c, const void *base)
   {
@@ -749,6 +747,9 @@ struct Offset : Type
     this->set ((char *) t - (char *) base); /* TODO(serialize) Overflow? */
     return t;
   }
+
+  public:
+  DEFINE_SIZE_STATIC (sizeof(Type));
 };
 
 typedef Offset<HBUINT16> Offset16;
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 12cdb1d21..77ce8c977 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -136,7 +136,7 @@ _hb_subset_face_data_destroy (void *user_data)
 {
   hb_subset_face_data_t *data = (hb_subset_face_data_t *) user_data;
 
-  for (int i = 0; i < data->tables.len; i++)
+  for (unsigned int i = 0; i < data->tables.len; i++)
     hb_blob_destroy (data->tables[i].blob);
 
   data->tables.finish ();

From becb1d9eea15c07f9ea4e229be56f9aca0f768af Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 26 Feb 2018 11:29:48 +0330
Subject: [PATCH 1300/1326] [aat] minor

Ops, this was done for testing
---
 src/hb-aat-layout-ankr-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-ankr-table.hh b/src/hb-aat-layout-ankr-table.hh
index 2a903fdaf..e64ad0942 100644
--- a/src/hb-aat-layout-ankr-table.hh
+++ b/src/hb-aat-layout-ankr-table.hh
@@ -43,7 +43,7 @@ struct GlyphDataTable
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-      (numPoints == 0) &&
+      (numPoints != 0) &&
       (anchorPoints.sanitize (c, numPoints)));
   }
 

From bb82f01383db7cf05040fbd5881e17e263ef6369 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Sun, 25 Feb 2018 12:30:33 +0330
Subject: [PATCH 1301/1326] [aat] trak sanitization

---
 src/dev-run.sh                  |  4 +-
 src/hb-aat-layout-trak-table.hh | 95 +++++++++++++++++++++++++--------
 src/hb-aat-layout.cc            |  2 +-
 util/options.hh                 |  2 +-
 4 files changed, 78 insertions(+), 25 deletions(-)

diff --git a/src/dev-run.sh b/src/dev-run.sh
index 3b2257b1d..c70181128 100755
--- a/src/dev-run.sh
+++ b/src/dev-run.sh
@@ -35,7 +35,7 @@ find src/ | entr printf '\0' | while read -d ""; do
 	fi
 done
 
-read -n 1 -p "[T]est, [D]ebug, [R]estart, [Q]uit?" answer
+read -n 1 -p "[T]est, [D]ebug, [R]estart, [Q]uit? " answer
 case "$answer" in
 t|T )
 	if [[ $CMAKENINJA ]]; then
@@ -48,7 +48,7 @@ d|D )
 	if [[ $CMAKENINJA ]]; then
 		echo "Not supported on cmake builds yet"
 	else
-		build/libtool --mode=execute $GDB build/util/hb-shape $@
+		build/libtool --mode=execute $GDB -- build/util/hb-shape $@
 	fi
 ;;
 r|R )
diff --git a/src/hb-aat-layout-trak-table.hh b/src/hb-aat-layout-trak-table.hh
index b248db2f6..7af620227 100644
--- a/src/hb-aat-layout-trak-table.hh
+++ b/src/hb-aat-layout-trak-table.hh
@@ -39,11 +39,15 @@ namespace AAT {
 
 struct TrackTableEntry
 {
-  inline bool sanitize (hb_sanitize_context_t *c) const
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base, uint16_t size) const
   {
     TRACE_SANITIZE (this);
-    /* XXX Sanitize values */
-    return_trace (c->check_struct (this));
+    return_trace (c->check_struct (this) && ((base+values).sanitize (c, size)));
+  }
+
+  inline Fixed get_track_value () const
+  {
+    return track;
   }
 
   inline float get_value (const void *base, unsigned int index) const
@@ -64,11 +68,29 @@ struct TrackTableEntry
 
 struct TrackData
 {
-  inline bool sanitize (hb_sanitize_context_t *c) const
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
-    /* TODO */
-    return_trace (c->check_struct (this));
+    if (!(c->check_struct (this)))
+      return_trace (false);
+
+    uint16_t tracks = (uint16_t) nTracks;
+    uint16_t sizes = (uint16_t) nSizes;
+
+    // It should have at least one track
+    if (tracks < 1) return_trace (false);
+
+    // We can not do interpolation with less than two
+    if (sizes < 2) return_trace (false);
+
+    if (!((base+sizeTable).sanitize (c, sizes)))
+      return_trace (false);
+
+    for (uint16_t i = 0; i < tracks; ++i)
+      if (!(trackTable[i].sanitize (c, base, sizes)))
+        return_trace (false);
+
+    return_trace (true);
   }
 
   inline float get_tracking (const void *base, float ptem) const
@@ -84,26 +106,37 @@ struct TrackData
 
     /* TODO Clean this up. */
 
-    // TODO: Make indexing work and use only an entry with zero track
-    const TrackTableEntry &trackTableEntry = trackTable[0];
+    uint16_t tracks = (uint16_t) nTracks;
+    uint16_t sizes = (uint16_t) nSizes;
+
+    const TrackTableEntry *trackTableEntry = nullptr;
+    for (unsigned int i = 0; i < sizes; ++i)
+      // For now we only seek for track entries with zero tracking value
+      if (trackTable[i].get_track_value () == 0)
+        trackTableEntry = &trackTable[0];
+
+    // We couldn't match any, exit
+    if (!trackTableEntry) return 0.;
 
     /* TODO bfind() */
     unsigned int size_index;
-    for (size_index = 0; size_index < nSizes; ++size_index)
-      if ((base+sizeTable)[size_index] >= fixed_size)
+    UnsizedArrayOf<Fixed> size_table = base+sizeTable;
+    for (size_index = 0; size_index < sizes; ++size_index)
+      if (size_table[size_index] >= fixed_size)
         break;
 
-    // We don't attempt to extrapolate to larger or smaller values
-    if (size_index == nSizes)
-      return trackTableEntry.get_value (base, nSizes - 1);
-    if (size_index == 0 || (base+sizeTable)[size_index] == fixed_size)
-      return trackTableEntry.get_value (base, size_index);
+    // TODO(ebraminio): We don't attempt to extrapolate to larger or
+    // smaller values for now but we should do, per spec
+    if (size_index == sizes)
+      return trackTableEntry->get_value (base, sizes - 1);
+    if (size_index == 0 || size_table[size_index] == fixed_size)
+      return trackTableEntry->get_value (base, size_index);
 
-    float s0 = (base+sizeTable)[size_index - 1].to_float ();
-    float s1 = (base+sizeTable)[size_index].to_float ();
+    float s0 = size_table[size_index - 1].to_float ();
+    float s1 = size_table[size_index].to_float ();
     float t = (csspx - s0) / (s1 - s0);
-    return t * trackTableEntry.get_value (base, size_index) +
-      (1.0 - t) * trackTableEntry.get_value (base, size_index - 1);
+    return t * trackTableEntry->get_value (base, size_index) +
+      (1.0 - t) * trackTableEntry->get_value (base, size_index - 1);
   }
 
   protected:
@@ -124,8 +157,28 @@ struct trak
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    /* TODO */
-    return_trace (c->check_struct (this));
+
+    if (!(c->check_struct (this)))
+      return_trace (false);
+
+    if ((format != 0) || (reserved != 0))
+      return_trace (false);
+
+    if (horizData)
+    {
+      const TrackData &trackData = this+horizData;
+      if (!trackData.sanitize (c, this))
+        return_trace (false);
+    }
+
+    if (vertData)
+    {
+      const TrackData &trackData = this+horizData;
+      if (!trackData.sanitize (c, this))
+        return_trace (false);
+    }
+
+    return_trace (true);
   }
 
   inline bool apply (hb_aat_apply_context_t *c) const
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index bdbe41f97..45268e3e7 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -36,7 +36,7 @@
 #include "hb-aat-layout-trak-table.hh"
 
 /*
- * mort/morx
+ * morx/kerx/trak
  */
 
 static inline const AAT::ankr&
diff --git a/util/options.hh b/util/options.hh
index cfbbade2f..09d7245fe 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -454,7 +454,7 @@ struct font_options_t : option_group_t
     default_font_size = default_font_size_;
     x_ppem = 0;
     y_ppem = 0;
-    ptem = .0;
+    ptem = 0.;
     subpixel_bits = subpixel_bits_;
     font_file = nullptr;
     face_index = 0;

From f0bc6c0992c4302ae1a20f155ad256bfa331087c Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Feb 2018 00:18:17 -0800
Subject: [PATCH 1302/1326] [aat/trak] Clean up

We always just used "unsigned int" for counter values. There's
no use for uint16_t outside of a struct.

Also, no need for explict casting where implicit does.
---
 src/hb-aat-layout-trak-table.hh | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/hb-aat-layout-trak-table.hh b/src/hb-aat-layout-trak-table.hh
index 7af620227..6c83760e2 100644
--- a/src/hb-aat-layout-trak-table.hh
+++ b/src/hb-aat-layout-trak-table.hh
@@ -39,7 +39,7 @@ namespace AAT {
 
 struct TrackTableEntry
 {
-  inline bool sanitize (hb_sanitize_context_t *c, const void *base, uint16_t size) const
+  inline bool sanitize (hb_sanitize_context_t *c, const void *base, unsigned int size) const
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) && ((base+values).sanitize (c, size)));
@@ -74,8 +74,8 @@ struct TrackData
     if (!(c->check_struct (this)))
       return_trace (false);
 
-    uint16_t tracks = (uint16_t) nTracks;
-    uint16_t sizes = (uint16_t) nSizes;
+    unsigned int tracks = nTracks;
+    unsigned int sizes = nSizes;
 
     // It should have at least one track
     if (tracks < 1) return_trace (false);
@@ -86,7 +86,7 @@ struct TrackData
     if (!((base+sizeTable).sanitize (c, sizes)))
       return_trace (false);
 
-    for (uint16_t i = 0; i < tracks; ++i)
+    for (unsigned int i = 0; i < tracks; ++i)
       if (!(trackTable[i].sanitize (c, base, sizes)))
         return_trace (false);
 
@@ -106,8 +106,8 @@ struct TrackData
 
     /* TODO Clean this up. */
 
-    uint16_t tracks = (uint16_t) nTracks;
-    uint16_t sizes = (uint16_t) nSizes;
+    unsigned int tracks = nTracks;
+    unsigned int sizes = nSizes;
 
     const TrackTableEntry *trackTableEntry = nullptr;
     for (unsigned int i = 0; i < sizes; ++i)

From fa3a69e2334ec4122d672670614a8e5a95611d75 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Feb 2018 00:32:11 -0800
Subject: [PATCH 1303/1326] [aat/trak] Simplify sanitize()

---
 src/hb-aat-layout-trak-table.hh | 67 ++++++++-------------------------
 1 file changed, 16 insertions(+), 51 deletions(-)

diff --git a/src/hb-aat-layout-trak-table.hh b/src/hb-aat-layout-trak-table.hh
index 6c83760e2..5767b116c 100644
--- a/src/hb-aat-layout-trak-table.hh
+++ b/src/hb-aat-layout-trak-table.hh
@@ -42,15 +42,15 @@ struct TrackTableEntry
   inline bool sanitize (hb_sanitize_context_t *c, const void *base, unsigned int size) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && ((base+values).sanitize (c, size)));
+    return_trace (c->check_struct (this) && (values.sanitize (c, base, size)));
   }
 
-  inline Fixed get_track_value () const
+  inline float get_track_value () const
   {
-    return track;
+    return track.to_float ();
   }
 
-  inline float get_value (const void *base, unsigned int index) const
+  inline int get_value (const void *base, unsigned int index) const
   {
     return (base+values)[index];
   }
@@ -58,7 +58,7 @@ struct TrackTableEntry
   protected:
   Fixed			track;		/* Track value for this record. */
   HBUINT16		trackNameID;	/* The 'name' table index for this track */
-  OffsetTo<UnsizedArrayOf<HBINT16> >
+  OffsetTo<UnsizedArrayOf<FWORD> >
 			values;		/* Offset from start of tracking table to
 					 * per-size tracking values for this track. */
 
@@ -71,26 +71,9 @@ struct TrackData
   inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
   {
     TRACE_SANITIZE (this);
-    if (!(c->check_struct (this)))
-      return_trace (false);
-
-    unsigned int tracks = nTracks;
-    unsigned int sizes = nSizes;
-
-    // It should have at least one track
-    if (tracks < 1) return_trace (false);
-
-    // We can not do interpolation with less than two
-    if (sizes < 2) return_trace (false);
-
-    if (!((base+sizeTable).sanitize (c, sizes)))
-      return_trace (false);
-
-    for (unsigned int i = 0; i < tracks; ++i)
-      if (!(trackTable[i].sanitize (c, base, sizes)))
-        return_trace (false);
-
-    return_trace (true);
+    return_trace (c->check_struct (this) &&
+		  sizeTable.sanitize (c, base, nSizes) &&
+		  trackTable.sanitize (c, nTracks, base, nSizes));
   }
 
   inline float get_tracking (const void *base, float ptem) const
@@ -104,15 +87,14 @@ struct TrackData
     Fixed fixed_size;
     fixed_size.set_float (csspx);
 
-    /* TODO Clean this up. */
+    /* XXX Clean this up. Make it work with nSizes==1 and 0. */
 
-    unsigned int tracks = nTracks;
     unsigned int sizes = nSizes;
 
     const TrackTableEntry *trackTableEntry = nullptr;
     for (unsigned int i = 0; i < sizes; ++i)
       // For now we only seek for track entries with zero tracking value
-      if (trackTable[i].get_track_value () == 0)
+      if (trackTable[i].get_track_value () == 0.)
         trackTableEntry = &trackTable[0];
 
     // We couldn't match any, exit
@@ -142,9 +124,10 @@ struct TrackData
   protected:
   HBUINT16		nTracks;	/* Number of separate tracks included in this table. */
   HBUINT16		nSizes;		/* Number of point sizes included in this table. */
-  LOffsetTo<UnsizedArrayOf<Fixed> >
+  LOffsetTo<UnsizedArrayOf<Fixed> >	/* Offset to array[nSizes] of size values. */
 			sizeTable;
-  UnsizedArrayOf<TrackTableEntry>	trackTable;/* Array[nSizes] of size values. */
+  UnsizedArrayOf<TrackTableEntry>
+			trackTable;	/* Array[nTracks] of TrackTableEntry records. */
 
   public:
   DEFINE_SIZE_ARRAY (8, trackTable);
@@ -158,27 +141,9 @@ struct trak
   {
     TRACE_SANITIZE (this);
 
-    if (!(c->check_struct (this)))
-      return_trace (false);
-
-    if ((format != 0) || (reserved != 0))
-      return_trace (false);
-
-    if (horizData)
-    {
-      const TrackData &trackData = this+horizData;
-      if (!trackData.sanitize (c, this))
-        return_trace (false);
-    }
-
-    if (vertData)
-    {
-      const TrackData &trackData = this+horizData;
-      if (!trackData.sanitize (c, this))
-        return_trace (false);
-    }
-
-    return_trace (true);
+    return_trace (c->check_struct (this) &&
+		  horizData.sanitize (c, this, this) &&
+		  vertData.sanitize (c, this, this));
   }
 
   inline bool apply (hb_aat_apply_context_t *c) const

From c36598450e9698168851c0ae7d0b4c9e562c4924 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Feb 2018 00:57:07 -0800
Subject: [PATCH 1304/1326] [aat/ankr] Simplify

---
 src/hb-aat-layout-ankr-table.hh | 36 ++++++++-------------------------
 1 file changed, 8 insertions(+), 28 deletions(-)

diff --git a/src/hb-aat-layout-ankr-table.hh b/src/hb-aat-layout-ankr-table.hh
index e64ad0942..8ccaa7e86 100644
--- a/src/hb-aat-layout-ankr-table.hh
+++ b/src/hb-aat-layout-ankr-table.hh
@@ -37,25 +37,6 @@ namespace AAT {
  * ankr -- Anchor point
  */
 
-struct GlyphDataTable
-{
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-      (numPoints != 0) &&
-      (anchorPoints.sanitize (c, numPoints)));
-  }
-
-  protected:
-  HBUINT32			numPoints;	/* Number of anchor points for this glyph */
-  UnsizedArrayOf<HBUINT32>	anchorPoints;	/* Individual anchor points. Each anchor point is a two-byte
-						 * signed x-coordinate followed by a two-byte signed y-coordinate */
-
-  public:
-  DEFINE_SIZE_ARRAY (4, anchorPoints);
-};
-
 struct ankr
 {
   static const hb_tag_t tableTag = HB_AAT_TAG_ankr;
@@ -63,18 +44,17 @@ struct ankr
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-      (version == 0) &&
-      (flags == 0) &&
-      (lookupTableOffset == 0x0000000C) &&
-      (glyphDataTableOffset.sanitize (c, this)));
+    return_trace (c->check_struct (this) && version == 0 &&
+		  /* XXX lookupTable */
+		  anchors.sanitize (c, this));
   }
 
   protected:
-  HBUINT16			version; 		/* Version number (set to zero) */
-  HBUINT16			flags;			/* Flags (currently unused; set to zero) */
-  LOffsetTo<const void*>	lookupTableOffset;	/* Offset to the table's lookup table */
-  LOffsetTo<GlyphDataTable>	glyphDataTableOffset;	/* Offset to the glyph data table */
+  HBUINT16			version; 	/* Version number (set to zero) */
+  HBUINT16			flags;		/* Flags (currently unused; set to zero) */
+  LOffsetTo<const void*>	lookupTable;	/* Offset to the table's lookup table */
+  LOffsetTo<ArrayOf<HBUINT32, HBUINT32> >
+				anchors;	/* Offset to the glyph data table */
 
   public:
   DEFINE_SIZE_MIN (12);

From f90cd9b1f5ade8ad5e3b7caf0272936ad7a0f419 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Feb 2018 01:03:23 -0800
Subject: [PATCH 1305/1326] [aat/ankr] Hook up Lookup table

---
 src/hb-aat-layout-ankr-table.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-aat-layout-ankr-table.hh b/src/hb-aat-layout-ankr-table.hh
index 8ccaa7e86..68fa96fcf 100644
--- a/src/hb-aat-layout-ankr-table.hh
+++ b/src/hb-aat-layout-ankr-table.hh
@@ -45,14 +45,14 @@ struct ankr
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) && version == 0 &&
-		  /* XXX lookupTable */
+		  lookupTable.sanitize (c, this) &&
 		  anchors.sanitize (c, this));
   }
 
   protected:
   HBUINT16			version; 	/* Version number (set to zero) */
   HBUINT16			flags;		/* Flags (currently unused; set to zero) */
-  LOffsetTo<const void*>	lookupTable;	/* Offset to the table's lookup table */
+  LOffsetTo<Lookup<HBUINT16> >	lookupTable;	/* Offset to the table's lookup table */
   LOffsetTo<ArrayOf<HBUINT32, HBUINT32> >
 				anchors;	/* Offset to the glyph data table */
 

From 05fbd14e715ed5d0f0f86388b1538ad8e8c7c506 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Feb 2018 01:04:16 -0800
Subject: [PATCH 1306/1326] [aat/ankr] Minor

DEFINE_SIZE_MIN is to be used only in rare cases. For fixed-size structs
we want DEFINE_SIZE_STATIC.
---
 src/hb-aat-layout-ankr-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-ankr-table.hh b/src/hb-aat-layout-ankr-table.hh
index 68fa96fcf..f9d5cd3bb 100644
--- a/src/hb-aat-layout-ankr-table.hh
+++ b/src/hb-aat-layout-ankr-table.hh
@@ -57,7 +57,7 @@ struct ankr
 				anchors;	/* Offset to the glyph data table */
 
   public:
-  DEFINE_SIZE_MIN (12);
+  DEFINE_SIZE_STATIC (12);
 };
 
 } /* namespace AAT */

From e347fb908b188f71df13215c8939b0f3a12c716f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Feb 2018 01:08:00 -0800
Subject: [PATCH 1307/1326] Minor

---
 src/hb-ot-layout-gdef-table.hh |  4 ++--
 src/hb-ot-layout-gpos-table.hh | 12 ++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/hb-ot-layout-gdef-table.hh b/src/hb-ot-layout-gdef-table.hh
index aad7d6029..2d6c66e6c 100644
--- a/src/hb-ot-layout-gdef-table.hh
+++ b/src/hb-ot-layout-gdef-table.hh
@@ -110,7 +110,7 @@ struct CaretValueFormat1
 
   protected:
   HBUINT16	caretValueFormat;	/* Format identifier--format = 1 */
-  HBINT16		coordinate;		/* X or Y value, in design units */
+  FWORD		coordinate;		/* X or Y value, in design units */
   public:
   DEFINE_SIZE_STATIC (4);
 };
@@ -161,7 +161,7 @@ struct CaretValueFormat3
 
   protected:
   HBUINT16	caretValueFormat;	/* Format identifier--format = 3 */
-  HBINT16		coordinate;		/* X or Y value, in design units */
+  FWORD		coordinate;		/* X or Y value, in design units */
   OffsetTo<Device>
 		deviceTable;		/* Offset to Device table for X or Y
 					 * value--from beginning of CaretValue
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 4e1a10d77..46ffcc668 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -248,8 +248,8 @@ struct AnchorFormat1
 
   protected:
   HBUINT16	format;			/* Format identifier--format = 1 */
-  HBINT16		xCoordinate;		/* Horizontal value--in design units */
-  HBINT16		yCoordinate;		/* Vertical value--in design units */
+  FWORD		xCoordinate;		/* Horizontal value--in design units */
+  FWORD		yCoordinate;		/* Vertical value--in design units */
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -279,8 +279,8 @@ struct AnchorFormat2
 
   protected:
   HBUINT16	format;			/* Format identifier--format = 2 */
-  HBINT16		xCoordinate;		/* Horizontal value--in design units */
-  HBINT16		yCoordinate;		/* Vertical value--in design units */
+  FWORD		xCoordinate;		/* Horizontal value--in design units */
+  FWORD		yCoordinate;		/* Vertical value--in design units */
   HBUINT16	anchorPoint;		/* Index to glyph contour point */
   public:
   DEFINE_SIZE_STATIC (8);
@@ -309,8 +309,8 @@ struct AnchorFormat3
 
   protected:
   HBUINT16	format;			/* Format identifier--format = 3 */
-  HBINT16		xCoordinate;		/* Horizontal value--in design units */
-  HBINT16		yCoordinate;		/* Vertical value--in design units */
+  FWORD		xCoordinate;		/* Horizontal value--in design units */
+  FWORD		yCoordinate;		/* Vertical value--in design units */
   OffsetTo<Device>
 		xDeviceTable;		/* Offset to Device table for X
 					 * coordinate-- from beginning of

From 28c4245e9f76c6c53a4589e7745a60ed0e97414a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 26 Feb 2018 01:10:42 -0800
Subject: [PATCH 1308/1326] [aat/ankr] Define Anchor struct

---
 src/hb-aat-layout-ankr-table.hh | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/hb-aat-layout-ankr-table.hh b/src/hb-aat-layout-ankr-table.hh
index f9d5cd3bb..d0453bd88 100644
--- a/src/hb-aat-layout-ankr-table.hh
+++ b/src/hb-aat-layout-ankr-table.hh
@@ -37,6 +37,20 @@ namespace AAT {
  * ankr -- Anchor point
  */
 
+struct Anchor
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  FWORD		xCoordinate;
+  FWORD		yCoordinate;
+  public:
+  DEFINE_SIZE_STATIC (4);
+};
+
 struct ankr
 {
   static const hb_tag_t tableTag = HB_AAT_TAG_ankr;
@@ -53,7 +67,7 @@ struct ankr
   HBUINT16			version; 	/* Version number (set to zero) */
   HBUINT16			flags;		/* Flags (currently unused; set to zero) */
   LOffsetTo<Lookup<HBUINT16> >	lookupTable;	/* Offset to the table's lookup table */
-  LOffsetTo<ArrayOf<HBUINT32, HBUINT32> >
+  LOffsetTo<ArrayOf<Anchor, HBUINT32> >
 				anchors;	/* Offset to the glyph data table */
 
   public:

From 6c844ae8e89f52f5f40eace66bb987544fc316e3 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 26 Feb 2018 23:04:27 +0330
Subject: [PATCH 1309/1326] [dev-run] show images using iTerm2 images feature

---
 src/dev-run.sh | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/dev-run.sh b/src/dev-run.sh
index c70181128..9c82db0b8 100755
--- a/src/dev-run.sh
+++ b/src/dev-run.sh
@@ -9,14 +9,28 @@
 #  $ cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild
 #  $ src/dev-run.sh [FONT-FILE] [TEXT]
 #
+# If you are using iTerm2, issue the script like this:
+#  $ src/dev-run.sh img [FONT-FILE] [TEXT]
+#
 
 [ $# = 0 ] && echo Usage: "src/dev-run.sh [FONT-FILE] [TEXT]" && exit
 command -v entr >/dev/null 2>&1 || { echo >&2 "This script needs `entr` be installed"; exit 1; }
 
+
 GDB=gdb
 # if gdb doesn't exist, hopefully lldb exist
 command -v $GDB >/dev/null 2>&1 || export GDB="lldb"
 
+
+[ $1 = "img" ] && img=1 && shift
+# http://iterm2.com/documentation-images.html
+osc="\033]"
+if [[ $TERM == screen* ]]; then osc="\033Ptmux;\033\033]"; fi
+st="\a"
+if [[ $TERM == screen* ]]; then st="\a"; fi
+
+
+tmp=$(mktemp)
 [ -f 'build/build.ninja' ] && CMAKENINJA=TRUE
 # or "fswatch -0 . -e build/ -e .git"
 find src/ | entr printf '\0' | while read -d ""; do
@@ -25,19 +39,29 @@ find src/ | entr printf '\0' | while read -d ""; do
 	if [[ $CMAKENINJA ]]; then
 		ninja -Cbuild hb-shape hb-view && {
 			build/hb-shape $@
-			build/hb-view $@
+			if [ $img ]; then
+				build/hb-view $@ -O png -o $tmp
+				printf "\n${osc}1337;File=;inline=1:`cat $tmp | base64`${st}\n"
+			else
+				build/hb-view $@
+			fi
 		}
 	else
 		make -Cbuild/src -j5 -s lib && {
 			build/util/hb-shape $@
-			build/util/hb-view $@
+			if [ $img ]; then
+				build/util/hb-view $@ -O png -o $tmp
+				printf "\n${osc}1337;File=;inline=1:`cat $tmp | base64`${st}\n"
+			else
+				build/util/hb-view $@
+			fi
 		}
 	fi
 done
 
-read -n 1 -p "[T]est, [D]ebug, [R]estart, [Q]uit? " answer
+read -n 1 -p "[C]heck, [D]ebug, [R]estart, [Q]uit? " answer
 case "$answer" in
-t|T )
+c|C )
 	if [[ $CMAKENINJA ]]; then
 		CTEST_OUTPUT_ON_FAILURE=1 CTEST_PARALLEL_LEVEL=5 ninja -Cbuild test
 	else

From 8e81799b32f3dfaca000fa5d42943ceed9af8d17 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 23 Feb 2018 18:35:41 -0800
Subject: [PATCH 1310/1326] [subset] Add hb-ot-os2-unicode-ranges.hh, a map of
 os2 unicode ranges.

---
 src/hb-ot-os2-unicode-ranges.hh | 220 ++++++++++++++++++++++++++++++++
 1 file changed, 220 insertions(+)
 create mode 100644 src/hb-ot-os2-unicode-ranges.hh

diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
new file mode 100644
index 000000000..94daad2f1
--- /dev/null
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -0,0 +1,220 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+
+
+#ifndef HB_OT_OS2_UNICODE_RANGES_HH
+#define HB_OT_OS2_UNICODE_RANGES_HH
+
+namespace OT {
+
+struct Range
+{
+  unsigned int start;
+  unsigned int end;
+  unsigned int bit;
+};
+
+static Range os2UnicodeRangesSorted[] = {
+  {     0x0,     0x7F,   0}, // Basic Latin
+  {    0x80,     0xFF,   1}, // Latin-1 Supplement
+  {   0x100,    0x17F,   2}, // Latin Extended-A
+  {   0x180,    0x24F,   3}, // Latin Extended-B
+  {   0x250,    0x2AF,   4}, // IPA Extensions
+  {   0x2B0,    0x2FF,   5}, // Spacing Modifier Letters
+  {   0x300,    0x36F,   6}, // Combining Diacritical Marks
+  {   0x370,    0x3FF,   7}, // Greek and Coptic
+  {   0x400,    0x4FF,   9}, // Cyrillic
+  {   0x500,    0x52F,   9}, // Cyrillic Supplement
+  {   0x530,    0x58F,  10}, // Armenian
+  {   0x590,    0x5FF,  11}, // Hebrew
+  {   0x600,    0x6FF,  13}, // Arabic
+  {   0x700,    0x74F,  71}, // Syriac
+  {   0x750,    0x77F,  13}, // Arabic Supplement
+  {   0x780,    0x7BF,  72}, // Thaana
+  {   0x7C0,    0x7FF,  14}, // NKo
+  {   0x900,    0x97F,  15}, // Devanagari
+  {   0x980,    0x9FF,  16}, // Bengali
+  {   0xA00,    0xA7F,  17}, // Gurmukhi
+  {   0xA80,    0xAFF,  18}, // Gujarati
+  {   0xB00,    0xB7F,  19}, // Oriya
+  {   0xB80,    0xBFF,  20}, // Tamil
+  {   0xC00,    0xC7F,  21}, // Telugu
+  {   0xC80,    0xCFF,  22}, // Kannada
+  {   0xD00,    0xD7F,  23}, // Malayalam
+  {   0xD80,    0xDFF,  73}, // Sinhala
+  {   0xE00,    0xE7F,  24}, // Thai
+  {   0xE80,    0xEFF,  25}, // Lao
+  {   0xF00,    0xFFF,  70}, // Tibetan
+  {  0x1000,   0x109F,  74}, // Myanmar
+  {  0x10A0,   0x10FF,  26}, // Georgian
+  {  0x1100,   0x11FF,  28}, // Hangul Jamo
+  {  0x1200,   0x137F,  75}, // Ethiopic
+  {  0x1380,   0x139F,  75}, // Ethiopic Supplement
+  {  0x13A0,   0x13FF,  76}, // Cherokee
+  {  0x1400,   0x167F,  77}, // Unified Canadian Aboriginal Syllabics
+  {  0x1680,   0x169F,  78}, // Ogham
+  {  0x16A0,   0x16FF,  79}, // Runic
+  {  0x1700,   0x171F,  84}, // Tagalog
+  {  0x1720,   0x173F,  84}, // Hanunoo
+  {  0x1740,   0x175F,  84}, // Buhid
+  {  0x1760,   0x177F,  84}, // Tagbanwa
+  {  0x1780,   0x17FF,  80}, // Khmer
+  {  0x1800,   0x18AF,  81}, // Mongolian
+  {  0x1900,   0x194F,  93}, // Limbu
+  {  0x1950,   0x197F,  94}, // Tai Le
+  {  0x1980,   0x19DF,  95}, // New Tai Lue
+  {  0x19E0,   0x19FF,  80}, // Khmer Symbols
+  {  0x1A00,   0x1A1F,  96}, // Buginese
+  {  0x1B00,   0x1B7F,  27}, // Balinese
+  {  0x1B80,   0x1BBF, 112}, // Sundanese
+  {  0x1C00,   0x1C4F, 113}, // Lepcha
+  {  0x1C50,   0x1C7F, 114}, // Ol Chiki
+  {  0x1D00,   0x1D7F,   4}, // Phonetic Extensions
+  {  0x1D80,   0x1DBF,   4}, // Phonetic Extensions Supplement
+  {  0x1DC0,   0x1DFF,   6}, // Combining Diacritical Marks Supplement
+  {  0x1E00,   0x1EFF,  29}, // Latin Extended Additional
+  {  0x1F00,   0x1FFF,  30}, // Greek Extended
+  {  0x2000,   0x206F,  31}, // General Punctuation
+  {  0x2070,   0x209F,  32}, // Superscripts And Subscripts
+  {  0x20A0,   0x20CF,  33}, // Currency Symbols
+  {  0x20D0,   0x20FF,  34}, // Combining Diacritical Marks For Symbols
+  {  0x2100,   0x214F,  35}, // Letterlike Symbols
+  {  0x2150,   0x218F,  36}, // Number Forms
+  {  0x2190,   0x21FF,  37}, // Arrows
+  {  0x2200,   0x22FF,  38}, // Mathematical Operators
+  {  0x2300,   0x23FF,  39}, // Miscellaneous Technical
+  {  0x2400,   0x243F,  40}, // Control Pictures
+  {  0x2440,   0x245F,  41}, // Optical Character Recognition
+  {  0x2460,   0x24FF,  42}, // Enclosed Alphanumerics
+  {  0x2500,   0x257F,  43}, // Box Drawing
+  {  0x2580,   0x259F,  44}, // Block Elements
+  {  0x25A0,   0x25FF,  45}, // Geometric Shapes
+  {  0x2600,   0x26FF,  46}, // Miscellaneous Symbols
+  {  0x2700,   0x27BF,  47}, // Dingbats
+  {  0x27C0,   0x27EF,  38}, // Miscellaneous Mathematical Symbols-A
+  {  0x27F0,   0x27FF,  37}, // Supplemental Arrows-A
+  {  0x2800,   0x28FF,  82}, // Braille Patterns
+  {  0x2900,   0x297F,  37}, // Supplemental Arrows-B
+  {  0x2980,   0x29FF,  38}, // Miscellaneous Mathematical Symbols-B
+  {  0x2A00,   0x2AFF,  38}, // Supplemental Mathematical Operators
+  {  0x2B00,   0x2BFF,  37}, // Miscellaneous Symbols and Arrows
+  {  0x2C00,   0x2C5F,  97}, // Glagolitic
+  {  0x2C60,   0x2C7F,  29}, // Latin Extended-C
+  {  0x2C80,   0x2CFF,   8}, // Coptic
+  {  0x2D00,   0x2D2F,  26}, // Georgian Supplement
+  {  0x2D30,   0x2D7F,  98}, // Tifinagh
+  {  0x2D80,   0x2DDF,  75}, // Ethiopic Extended
+  {  0x2DE0,   0x2DFF,   9}, // Cyrillic Extended-A
+  {  0x2E00,   0x2E7F,  31}, // Supplemental Punctuation
+  {  0x2E80,   0x2EFF,  59}, // CJK Radicals Supplement
+  {  0x2F00,   0x2FDF,  59}, // Kangxi Radicals
+  {  0x2FF0,   0x2FFF,  59}, // Ideographic Description Characters
+  {  0x3000,   0x303F,  48}, // CJK Symbols And Punctuation
+  {  0x3040,   0x309F,  49}, // Hiragana
+  {  0x30A0,   0x30FF,  50}, // Katakana
+  {  0x3100,   0x312F,  51}, // Bopomofo
+  {  0x3130,   0x318F,  52}, // Hangul Compatibility Jamo
+  {  0x3190,   0x319F,  59}, // Kanbun
+  {  0x31A0,   0x31BF,  51}, // Bopomofo Extended
+  {  0x31C0,   0x31EF,  61}, // CJK Strokes
+  {  0x31F0,   0x31FF,  50}, // Katakana Phonetic Extensions
+  {  0x3200,   0x32FF,  54}, // Enclosed CJK Letters And Months
+  {  0x3300,   0x33FF,  55}, // CJK Compatibility
+  {  0x3400,   0x4DBF,  59}, // CJK Unified Ideographs Extension A
+  {  0x4DC0,   0x4DFF,  99}, // Yijing Hexagram Symbols
+  {  0x4E00,   0x9FFF,  59}, // CJK Unified Ideographs
+  {  0xA000,   0xA48F,  83}, // Yi Syllables
+  {  0xA490,   0xA4CF,  83}, // Yi Radicals
+  {  0xA500,   0xA63F,  12}, // Vai
+  {  0xA640,   0xA69F,   9}, // Cyrillic Extended-B
+  {  0xA700,   0xA71F,   5}, // Modifier Tone Letters
+  {  0xA720,   0xA7FF,  29}, // Latin Extended-D
+  {  0xA800,   0xA82F, 100}, // Syloti Nagri
+  {  0xA840,   0xA87F,  53}, // Phags-pa
+  {  0xA880,   0xA8DF, 115}, // Saurashtra
+  {  0xA900,   0xA92F, 116}, // Kayah Li
+  {  0xA930,   0xA95F, 117}, // Rejang
+  {  0xAA00,   0xAA5F, 118}, // Cham
+  {  0xAC00,   0xD7AF,  56}, // Hangul Syllables
+  {  0xD800,   0xDFFF,  57}, // Non-Plane 0 *
+  {  0xE000,   0xF8FF,  60}, // Private Use Area (plane 0)
+  {  0xF900,   0xFAFF,  61}, // CJK Compatibility Ideographs
+  {  0xFB00,   0xFB4F,  62}, // Alphabetic Presentation Forms
+  {  0xFB50,   0xFDFF,  63}, // Arabic Presentation Forms-A
+  {  0xFE00,   0xFE0F,  91}, // Variation Selectors
+  {  0xFE10,   0xFE1F,  65}, // Vertical Forms
+  {  0xFE20,   0xFE2F,  64}, // Combining Half Marks
+  {  0xFE30,   0xFE4F,  65}, // CJK Compatibility Forms
+  {  0xFE50,   0xFE6F,  66}, // Small Form Variants
+  {  0xFE70,   0xFEFF,  67}, // Arabic Presentation Forms-B
+  {  0xFF00,   0xFFEF,  68}, // Halfwidth And Fullwidth Forms
+  {  0xFFF0,   0xFFFF,  69}, // Specials
+  { 0x10000,  0x1007F, 101}, // Linear B Syllabary
+  { 0x10080,  0x100FF, 101}, // Linear B Ideograms
+  { 0x10100,  0x1013F, 101}, // Aegean Numbers
+  { 0x10140,  0x1018F, 102}, // Ancient Greek Numbers
+  { 0x10190,  0x101CF, 119}, // Ancient Symbols
+  { 0x101D0,  0x101FF, 120}, // Phaistos Disc
+  { 0x10280,  0x1029F, 121}, // Lycian
+  { 0x102A0,  0x102DF, 121}, // Carian
+  { 0x10300,  0x1032F,  85}, // Old Italic
+  { 0x10330,  0x1034F,  86}, // Gothic
+  { 0x10380,  0x1039F, 103}, // Ugaritic
+  { 0x103A0,  0x103DF, 104}, // Old Persian
+  { 0x10400,  0x1044F,  87}, // Deseret
+  { 0x10450,  0x1047F, 105}, // Shavian
+  { 0x10480,  0x104AF, 106}, // Osmanya
+  { 0x10800,  0x1083F, 107}, // Cypriot Syllabary
+  { 0x10900,  0x1091F,  58}, // Phoenician
+  { 0x10920,  0x1093F, 121}, // Lydian
+  { 0x10A00,  0x10A5F, 108}, // Kharoshthi
+  { 0x12000,  0x123FF, 110}, // Cuneiform
+  { 0x12400,  0x1247F, 110}, // Cuneiform Numbers and Punctuation
+  { 0x1D000,  0x1D0FF,  88}, // Byzantine Musical Symbols
+  { 0x1D100,  0x1D1FF,  88}, // Musical Symbols
+  { 0x1D200,  0x1D24F,  88}, // Ancient Greek Musical Notation
+  { 0x1D300,  0x1D35F, 109}, // Tai Xuan Jing Symbols
+  { 0x1D360,  0x1D37F, 111}, // Counting Rod Numerals
+  { 0x1D400,  0x1D7FF,  89}, // Mathematical Alphanumeric Symbols
+  { 0x1F000,  0x1F02F, 122}, // Mahjong Tiles
+  { 0x1F030,  0x1F09F, 122}, // Domino Tiles
+  { 0x20000,  0x2A6DF,  59}, // CJK Unified Ideographs Extension B
+  { 0x2F800,  0x2FA1F,  61}, // CJK Compatibility Ideographs Supplement
+  { 0xE0000,  0xE007F,  92}, // Tags
+  { 0xE0100,  0xE01EF,  91}, // Variation Selectors Supplement
+  { 0xF0000,  0xFFFFD,  90}, // Private Use (plane 15)
+  {0x100000, 0x10FFFD,  90}, // Private Use (plane 16)
+};
+
+static unsigned int hb_get_unicode_range_bit (hb_codepoint_t cp)
+{
+
+}
+
+} /* namespace OT */
+
+#endif /* HB_OT_OS2_UNICODE_RANGES_HH */

From a570142d0c6d819feeeeb9e209fc90a33c1c2b48 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 15:20:23 -0800
Subject: [PATCH 1311/1326] [subset] Move hb-ot-os2-unicode-ranges into a cc
 file with a helper methods and tests.

---
 src/Makefile.am                 |   9 +-
 src/Makefile.sources            |   2 +
 src/hb-ot-os2-unicode-ranges.cc | 279 ++++++++++++++++++++++++++++++++
 src/hb-ot-os2-unicode-ranges.hh | 189 +---------------------
 4 files changed, 292 insertions(+), 187 deletions(-)
 create mode 100644 src/hb-ot-os2-unicode-ranges.cc

diff --git a/src/Makefile.am b/src/Makefile.am
index 3f98e1db6..6044366da 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -381,12 +381,17 @@ dump_use_data_SOURCES = dump-use-data.cc hb-ot-shape-complex-use-table.cc
 dump_use_data_CPPFLAGS = $(HBCFLAGS)
 dump_use_data_LDADD = libharfbuzz.la $(HBLIBS)
 
-check_PROGRAMS += test-ot-tag
-TESTS += test-ot-tag
+check_PROGRAMS += test-ot-tag test-unicode-ranges
+TESTS += test-ot-tag test-unicode-ranges
+
 test_ot_tag_SOURCES = hb-ot-tag.cc
 test_ot_tag_CPPFLAGS = $(HBCFLAGS) -DMAIN
 test_ot_tag_LDADD = libharfbuzz.la $(HBLIBS)
 
+test_unicode_ranges_SOURCES = hb-ot-os2-unicode-ranges.cc
+test_unicode_ranges_CPPFLAGS = $(HBCFLAGS) -DMAIN
+test_unicode_ranges_LDADD = libharfbuzz.la $(HBLIBS)
+
 TESTS_ENVIRONMENT = \
 	srcdir="$(srcdir)" \
 	MAKE="$(MAKE) $(AM_MAKEFLAGS)" \
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 7883412ca..c20716434 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -28,6 +28,8 @@ HB_BASE_sources = \
 	hb-ot-maxp-table.hh \
 	hb-ot-name-table.hh \
 	hb-ot-os2-table.hh \
+	hb-ot-os2-unicode-ranges.hh \
+	hb-ot-os2-unicode-ranges.cc \
 	hb-ot-post-macroman.hh \
 	hb-ot-post-table.hh \
 	hb-ot-tag.cc \
diff --git a/src/hb-ot-os2-unicode-ranges.cc b/src/hb-ot-os2-unicode-ranges.cc
new file mode 100644
index 000000000..f2c063976
--- /dev/null
+++ b/src/hb-ot-os2-unicode-ranges.cc
@@ -0,0 +1,279 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "hb-private.hh"
+
+#include "hb-dsalgs.hh"
+
+struct Range {
+  unsigned int start;
+  unsigned int end;
+  unsigned int bit;
+};
+
+#define NUM_RANGES 169
+static Range os2UnicodeRangesSorted[NUM_RANGES] = {
+  {     0x0,     0x7F,   0}, // Basic Latin
+  {    0x80,     0xFF,   1}, // Latin-1 Supplement
+  {   0x100,    0x17F,   2}, // Latin Extended-A
+  {   0x180,    0x24F,   3}, // Latin Extended-B
+  {   0x250,    0x2AF,   4}, // IPA Extensions
+  {   0x2B0,    0x2FF,   5}, // Spacing Modifier Letters
+  {   0x300,    0x36F,   6}, // Combining Diacritical Marks
+  {   0x370,    0x3FF,   7}, // Greek and Coptic
+  {   0x400,    0x4FF,   9}, // Cyrillic
+  {   0x500,    0x52F,   9}, // Cyrillic Supplement
+  {   0x530,    0x58F,  10}, // Armenian
+  {   0x590,    0x5FF,  11}, // Hebrew
+  {   0x600,    0x6FF,  13}, // Arabic
+  {   0x700,    0x74F,  71}, // Syriac
+  {   0x750,    0x77F,  13}, // Arabic Supplement
+  {   0x780,    0x7BF,  72}, // Thaana
+  {   0x7C0,    0x7FF,  14}, // NKo
+  {   0x900,    0x97F,  15}, // Devanagari
+  {   0x980,    0x9FF,  16}, // Bengali
+  {   0xA00,    0xA7F,  17}, // Gurmukhi
+  {   0xA80,    0xAFF,  18}, // Gujarati
+  {   0xB00,    0xB7F,  19}, // Oriya
+  {   0xB80,    0xBFF,  20}, // Tamil
+  {   0xC00,    0xC7F,  21}, // Telugu
+  {   0xC80,    0xCFF,  22}, // Kannada
+  {   0xD00,    0xD7F,  23}, // Malayalam
+  {   0xD80,    0xDFF,  73}, // Sinhala
+  {   0xE00,    0xE7F,  24}, // Thai
+  {   0xE80,    0xEFF,  25}, // Lao
+  {   0xF00,    0xFFF,  70}, // Tibetan
+  {  0x1000,   0x109F,  74}, // Myanmar
+  {  0x10A0,   0x10FF,  26}, // Georgian
+  {  0x1100,   0x11FF,  28}, // Hangul Jamo
+  {  0x1200,   0x137F,  75}, // Ethiopic
+  {  0x1380,   0x139F,  75}, // Ethiopic Supplement
+  {  0x13A0,   0x13FF,  76}, // Cherokee
+  {  0x1400,   0x167F,  77}, // Unified Canadian Aboriginal Syllabics
+  {  0x1680,   0x169F,  78}, // Ogham
+  {  0x16A0,   0x16FF,  79}, // Runic
+  {  0x1700,   0x171F,  84}, // Tagalog
+  {  0x1720,   0x173F,  84}, // Hanunoo
+  {  0x1740,   0x175F,  84}, // Buhid
+  {  0x1760,   0x177F,  84}, // Tagbanwa
+  {  0x1780,   0x17FF,  80}, // Khmer
+  {  0x1800,   0x18AF,  81}, // Mongolian
+  {  0x1900,   0x194F,  93}, // Limbu
+  {  0x1950,   0x197F,  94}, // Tai Le
+  {  0x1980,   0x19DF,  95}, // New Tai Lue
+  {  0x19E0,   0x19FF,  80}, // Khmer Symbols
+  {  0x1A00,   0x1A1F,  96}, // Buginese
+  {  0x1B00,   0x1B7F,  27}, // Balinese
+  {  0x1B80,   0x1BBF, 112}, // Sundanese
+  {  0x1C00,   0x1C4F, 113}, // Lepcha
+  {  0x1C50,   0x1C7F, 114}, // Ol Chiki
+  {  0x1D00,   0x1D7F,   4}, // Phonetic Extensions
+  {  0x1D80,   0x1DBF,   4}, // Phonetic Extensions Supplement
+  {  0x1DC0,   0x1DFF,   6}, // Combining Diacritical Marks Supplement
+  {  0x1E00,   0x1EFF,  29}, // Latin Extended Additional
+  {  0x1F00,   0x1FFF,  30}, // Greek Extended
+  {  0x2000,   0x206F,  31}, // General Punctuation
+  {  0x2070,   0x209F,  32}, // Superscripts And Subscripts
+  {  0x20A0,   0x20CF,  33}, // Currency Symbols
+  {  0x20D0,   0x20FF,  34}, // Combining Diacritical Marks For Symbols
+  {  0x2100,   0x214F,  35}, // Letterlike Symbols
+  {  0x2150,   0x218F,  36}, // Number Forms
+  {  0x2190,   0x21FF,  37}, // Arrows
+  {  0x2200,   0x22FF,  38}, // Mathematical Operators
+  {  0x2300,   0x23FF,  39}, // Miscellaneous Technical
+  {  0x2400,   0x243F,  40}, // Control Pictures
+  {  0x2440,   0x245F,  41}, // Optical Character Recognition
+  {  0x2460,   0x24FF,  42}, // Enclosed Alphanumerics
+  {  0x2500,   0x257F,  43}, // Box Drawing
+  {  0x2580,   0x259F,  44}, // Block Elements
+  {  0x25A0,   0x25FF,  45}, // Geometric Shapes
+  {  0x2600,   0x26FF,  46}, // Miscellaneous Symbols
+  {  0x2700,   0x27BF,  47}, // Dingbats
+  {  0x27C0,   0x27EF,  38}, // Miscellaneous Mathematical Symbols-A
+  {  0x27F0,   0x27FF,  37}, // Supplemental Arrows-A
+  {  0x2800,   0x28FF,  82}, // Braille Patterns
+  {  0x2900,   0x297F,  37}, // Supplemental Arrows-B
+  {  0x2980,   0x29FF,  38}, // Miscellaneous Mathematical Symbols-B
+  {  0x2A00,   0x2AFF,  38}, // Supplemental Mathematical Operators
+  {  0x2B00,   0x2BFF,  37}, // Miscellaneous Symbols and Arrows
+  {  0x2C00,   0x2C5F,  97}, // Glagolitic
+  {  0x2C60,   0x2C7F,  29}, // Latin Extended-C
+  {  0x2C80,   0x2CFF,   8}, // Coptic
+  {  0x2D00,   0x2D2F,  26}, // Georgian Supplement
+  {  0x2D30,   0x2D7F,  98}, // Tifinagh
+  {  0x2D80,   0x2DDF,  75}, // Ethiopic Extended
+  {  0x2DE0,   0x2DFF,   9}, // Cyrillic Extended-A
+  {  0x2E00,   0x2E7F,  31}, // Supplemental Punctuation
+  {  0x2E80,   0x2EFF,  59}, // CJK Radicals Supplement
+  {  0x2F00,   0x2FDF,  59}, // Kangxi Radicals
+  {  0x2FF0,   0x2FFF,  59}, // Ideographic Description Characters
+  {  0x3000,   0x303F,  48}, // CJK Symbols And Punctuation
+  {  0x3040,   0x309F,  49}, // Hiragana
+  {  0x30A0,   0x30FF,  50}, // Katakana
+  {  0x3100,   0x312F,  51}, // Bopomofo
+  {  0x3130,   0x318F,  52}, // Hangul Compatibility Jamo
+  {  0x3190,   0x319F,  59}, // Kanbun
+  {  0x31A0,   0x31BF,  51}, // Bopomofo Extended
+  {  0x31C0,   0x31EF,  61}, // CJK Strokes
+  {  0x31F0,   0x31FF,  50}, // Katakana Phonetic Extensions
+  {  0x3200,   0x32FF,  54}, // Enclosed CJK Letters And Months
+  {  0x3300,   0x33FF,  55}, // CJK Compatibility
+  {  0x3400,   0x4DBF,  59}, // CJK Unified Ideographs Extension A
+  {  0x4DC0,   0x4DFF,  99}, // Yijing Hexagram Symbols
+  {  0x4E00,   0x9FFF,  59}, // CJK Unified Ideographs
+  {  0xA000,   0xA48F,  83}, // Yi Syllables
+  {  0xA490,   0xA4CF,  83}, // Yi Radicals
+  {  0xA500,   0xA63F,  12}, // Vai
+  {  0xA640,   0xA69F,   9}, // Cyrillic Extended-B
+  {  0xA700,   0xA71F,   5}, // Modifier Tone Letters
+  {  0xA720,   0xA7FF,  29}, // Latin Extended-D
+  {  0xA800,   0xA82F, 100}, // Syloti Nagri
+  {  0xA840,   0xA87F,  53}, // Phags-pa
+  {  0xA880,   0xA8DF, 115}, // Saurashtra
+  {  0xA900,   0xA92F, 116}, // Kayah Li
+  {  0xA930,   0xA95F, 117}, // Rejang
+  {  0xAA00,   0xAA5F, 118}, // Cham
+  {  0xAC00,   0xD7AF,  56}, // Hangul Syllables
+  {  0xD800,   0xDFFF,  57}, // Non-Plane 0 *
+  {  0xE000,   0xF8FF,  60}, // Private Use Area (plane 0)
+  {  0xF900,   0xFAFF,  61}, // CJK Compatibility Ideographs
+  {  0xFB00,   0xFB4F,  62}, // Alphabetic Presentation Forms
+  {  0xFB50,   0xFDFF,  63}, // Arabic Presentation Forms-A
+  {  0xFE00,   0xFE0F,  91}, // Variation Selectors
+  {  0xFE10,   0xFE1F,  65}, // Vertical Forms
+  {  0xFE20,   0xFE2F,  64}, // Combining Half Marks
+  {  0xFE30,   0xFE4F,  65}, // CJK Compatibility Forms
+  {  0xFE50,   0xFE6F,  66}, // Small Form Variants
+  {  0xFE70,   0xFEFF,  67}, // Arabic Presentation Forms-B
+  {  0xFF00,   0xFFEF,  68}, // Halfwidth And Fullwidth Forms
+  {  0xFFF0,   0xFFFF,  69}, // Specials
+  { 0x10000,  0x1007F, 101}, // Linear B Syllabary
+  { 0x10080,  0x100FF, 101}, // Linear B Ideograms
+  { 0x10100,  0x1013F, 101}, // Aegean Numbers
+  { 0x10140,  0x1018F, 102}, // Ancient Greek Numbers
+  { 0x10190,  0x101CF, 119}, // Ancient Symbols
+  { 0x101D0,  0x101FF, 120}, // Phaistos Disc
+  { 0x10280,  0x1029F, 121}, // Lycian
+  { 0x102A0,  0x102DF, 121}, // Carian
+  { 0x10300,  0x1032F,  85}, // Old Italic
+  { 0x10330,  0x1034F,  86}, // Gothic
+  { 0x10380,  0x1039F, 103}, // Ugaritic
+  { 0x103A0,  0x103DF, 104}, // Old Persian
+  { 0x10400,  0x1044F,  87}, // Deseret
+  { 0x10450,  0x1047F, 105}, // Shavian
+  { 0x10480,  0x104AF, 106}, // Osmanya
+  { 0x10800,  0x1083F, 107}, // Cypriot Syllabary
+  { 0x10900,  0x1091F,  58}, // Phoenician
+  { 0x10920,  0x1093F, 121}, // Lydian
+  { 0x10A00,  0x10A5F, 108}, // Kharoshthi
+  { 0x12000,  0x123FF, 110}, // Cuneiform
+  { 0x12400,  0x1247F, 110}, // Cuneiform Numbers and Punctuation
+  { 0x1D000,  0x1D0FF,  88}, // Byzantine Musical Symbols
+  { 0x1D100,  0x1D1FF,  88}, // Musical Symbols
+  { 0x1D200,  0x1D24F,  88}, // Ancient Greek Musical Notation
+  { 0x1D300,  0x1D35F, 109}, // Tai Xuan Jing Symbols
+  { 0x1D360,  0x1D37F, 111}, // Counting Rod Numerals
+  { 0x1D400,  0x1D7FF,  89}, // Mathematical Alphanumeric Symbols
+  { 0x1F000,  0x1F02F, 122}, // Mahjong Tiles
+  { 0x1F030,  0x1F09F, 122}, // Domino Tiles
+  { 0x20000,  0x2A6DF,  59}, // CJK Unified Ideographs Extension B
+  { 0x2F800,  0x2FA1F,  61}, // CJK Compatibility Ideographs Supplement
+  { 0xE0000,  0xE007F,  92}, // Tags
+  { 0xE0100,  0xE01EF,  91}, // Variation Selectors Supplement
+  { 0xF0000,  0xFFFFD,  90}, // Private Use (plane 15)
+  {0x100000, 0x10FFFD,  90}, // Private Use (plane 16)
+};
+
+static int
+_compare_range (const void *_key, const void *_item, void *_arg)
+{
+  hb_codepoint_t *cp = (hb_codepoint_t *) _key;
+  Range *range = (Range *) _item;
+
+  if (*cp < range->start)
+    return -1;
+  else if (*cp <= range->end)
+    return 0;
+  else
+    return 1;
+}
+
+/**
+ * hb_get_unicode_range_bit:
+ * Returns the bit to be set in os/2 ulUnicodeRange for a given codepoint.
+ **/
+static int
+hb_get_unicode_range_bit (hb_codepoint_t cp)
+{
+  Range *range = (Range*) hb_bsearch_r (&cp, os2UnicodeRangesSorted, NUM_RANGES, sizeof(Range),
+                                        _compare_range, nullptr);
+  if (range != NULL)
+    return range->bit;
+  return -1;
+}
+
+
+#ifdef MAIN
+
+void
+test (hb_codepoint_t cp, int bit)
+{
+  if (hb_get_unicode_range_bit (cp) != bit)
+  {
+    fprintf (stderr, "got incorrect bit (%d) for cp 0x%X. Should have been %d.",
+             hb_get_unicode_range_bit (cp),
+             cp,
+             bit);
+    abort();
+  }
+}
+
+void
+test_get_unicode_range_bit (void)
+{
+  test (0x0000, 0);
+  test (0x0042, 0);
+  test (0x007F, 0);
+  test (0x0080, 1);
+
+  test (0x30A0, 50);
+  test (0x30B1, 50);
+  test (0x30FF, 50);
+
+  test (0x10FFFD, 90);
+
+  test (0x30000, -1);
+  test (0x110000, -1);
+}
+
+int
+main (void)
+{
+  test_get_unicode_range_bit ();
+  return 0;
+}
+
+#endif
diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
index 94daad2f1..5f36b20ce 100644
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -24,196 +24,15 @@
  * Google Author(s): Garret Rieger
  */
 
-
-
 #ifndef HB_OT_OS2_UNICODE_RANGES_HH
 #define HB_OT_OS2_UNICODE_RANGES_HH
 
+#include "hb-private.hh"
+
 namespace OT {
 
-struct Range
-{
-  unsigned int start;
-  unsigned int end;
-  unsigned int bit;
-};
-
-static Range os2UnicodeRangesSorted[] = {
-  {     0x0,     0x7F,   0}, // Basic Latin
-  {    0x80,     0xFF,   1}, // Latin-1 Supplement
-  {   0x100,    0x17F,   2}, // Latin Extended-A
-  {   0x180,    0x24F,   3}, // Latin Extended-B
-  {   0x250,    0x2AF,   4}, // IPA Extensions
-  {   0x2B0,    0x2FF,   5}, // Spacing Modifier Letters
-  {   0x300,    0x36F,   6}, // Combining Diacritical Marks
-  {   0x370,    0x3FF,   7}, // Greek and Coptic
-  {   0x400,    0x4FF,   9}, // Cyrillic
-  {   0x500,    0x52F,   9}, // Cyrillic Supplement
-  {   0x530,    0x58F,  10}, // Armenian
-  {   0x590,    0x5FF,  11}, // Hebrew
-  {   0x600,    0x6FF,  13}, // Arabic
-  {   0x700,    0x74F,  71}, // Syriac
-  {   0x750,    0x77F,  13}, // Arabic Supplement
-  {   0x780,    0x7BF,  72}, // Thaana
-  {   0x7C0,    0x7FF,  14}, // NKo
-  {   0x900,    0x97F,  15}, // Devanagari
-  {   0x980,    0x9FF,  16}, // Bengali
-  {   0xA00,    0xA7F,  17}, // Gurmukhi
-  {   0xA80,    0xAFF,  18}, // Gujarati
-  {   0xB00,    0xB7F,  19}, // Oriya
-  {   0xB80,    0xBFF,  20}, // Tamil
-  {   0xC00,    0xC7F,  21}, // Telugu
-  {   0xC80,    0xCFF,  22}, // Kannada
-  {   0xD00,    0xD7F,  23}, // Malayalam
-  {   0xD80,    0xDFF,  73}, // Sinhala
-  {   0xE00,    0xE7F,  24}, // Thai
-  {   0xE80,    0xEFF,  25}, // Lao
-  {   0xF00,    0xFFF,  70}, // Tibetan
-  {  0x1000,   0x109F,  74}, // Myanmar
-  {  0x10A0,   0x10FF,  26}, // Georgian
-  {  0x1100,   0x11FF,  28}, // Hangul Jamo
-  {  0x1200,   0x137F,  75}, // Ethiopic
-  {  0x1380,   0x139F,  75}, // Ethiopic Supplement
-  {  0x13A0,   0x13FF,  76}, // Cherokee
-  {  0x1400,   0x167F,  77}, // Unified Canadian Aboriginal Syllabics
-  {  0x1680,   0x169F,  78}, // Ogham
-  {  0x16A0,   0x16FF,  79}, // Runic
-  {  0x1700,   0x171F,  84}, // Tagalog
-  {  0x1720,   0x173F,  84}, // Hanunoo
-  {  0x1740,   0x175F,  84}, // Buhid
-  {  0x1760,   0x177F,  84}, // Tagbanwa
-  {  0x1780,   0x17FF,  80}, // Khmer
-  {  0x1800,   0x18AF,  81}, // Mongolian
-  {  0x1900,   0x194F,  93}, // Limbu
-  {  0x1950,   0x197F,  94}, // Tai Le
-  {  0x1980,   0x19DF,  95}, // New Tai Lue
-  {  0x19E0,   0x19FF,  80}, // Khmer Symbols
-  {  0x1A00,   0x1A1F,  96}, // Buginese
-  {  0x1B00,   0x1B7F,  27}, // Balinese
-  {  0x1B80,   0x1BBF, 112}, // Sundanese
-  {  0x1C00,   0x1C4F, 113}, // Lepcha
-  {  0x1C50,   0x1C7F, 114}, // Ol Chiki
-  {  0x1D00,   0x1D7F,   4}, // Phonetic Extensions
-  {  0x1D80,   0x1DBF,   4}, // Phonetic Extensions Supplement
-  {  0x1DC0,   0x1DFF,   6}, // Combining Diacritical Marks Supplement
-  {  0x1E00,   0x1EFF,  29}, // Latin Extended Additional
-  {  0x1F00,   0x1FFF,  30}, // Greek Extended
-  {  0x2000,   0x206F,  31}, // General Punctuation
-  {  0x2070,   0x209F,  32}, // Superscripts And Subscripts
-  {  0x20A0,   0x20CF,  33}, // Currency Symbols
-  {  0x20D0,   0x20FF,  34}, // Combining Diacritical Marks For Symbols
-  {  0x2100,   0x214F,  35}, // Letterlike Symbols
-  {  0x2150,   0x218F,  36}, // Number Forms
-  {  0x2190,   0x21FF,  37}, // Arrows
-  {  0x2200,   0x22FF,  38}, // Mathematical Operators
-  {  0x2300,   0x23FF,  39}, // Miscellaneous Technical
-  {  0x2400,   0x243F,  40}, // Control Pictures
-  {  0x2440,   0x245F,  41}, // Optical Character Recognition
-  {  0x2460,   0x24FF,  42}, // Enclosed Alphanumerics
-  {  0x2500,   0x257F,  43}, // Box Drawing
-  {  0x2580,   0x259F,  44}, // Block Elements
-  {  0x25A0,   0x25FF,  45}, // Geometric Shapes
-  {  0x2600,   0x26FF,  46}, // Miscellaneous Symbols
-  {  0x2700,   0x27BF,  47}, // Dingbats
-  {  0x27C0,   0x27EF,  38}, // Miscellaneous Mathematical Symbols-A
-  {  0x27F0,   0x27FF,  37}, // Supplemental Arrows-A
-  {  0x2800,   0x28FF,  82}, // Braille Patterns
-  {  0x2900,   0x297F,  37}, // Supplemental Arrows-B
-  {  0x2980,   0x29FF,  38}, // Miscellaneous Mathematical Symbols-B
-  {  0x2A00,   0x2AFF,  38}, // Supplemental Mathematical Operators
-  {  0x2B00,   0x2BFF,  37}, // Miscellaneous Symbols and Arrows
-  {  0x2C00,   0x2C5F,  97}, // Glagolitic
-  {  0x2C60,   0x2C7F,  29}, // Latin Extended-C
-  {  0x2C80,   0x2CFF,   8}, // Coptic
-  {  0x2D00,   0x2D2F,  26}, // Georgian Supplement
-  {  0x2D30,   0x2D7F,  98}, // Tifinagh
-  {  0x2D80,   0x2DDF,  75}, // Ethiopic Extended
-  {  0x2DE0,   0x2DFF,   9}, // Cyrillic Extended-A
-  {  0x2E00,   0x2E7F,  31}, // Supplemental Punctuation
-  {  0x2E80,   0x2EFF,  59}, // CJK Radicals Supplement
-  {  0x2F00,   0x2FDF,  59}, // Kangxi Radicals
-  {  0x2FF0,   0x2FFF,  59}, // Ideographic Description Characters
-  {  0x3000,   0x303F,  48}, // CJK Symbols And Punctuation
-  {  0x3040,   0x309F,  49}, // Hiragana
-  {  0x30A0,   0x30FF,  50}, // Katakana
-  {  0x3100,   0x312F,  51}, // Bopomofo
-  {  0x3130,   0x318F,  52}, // Hangul Compatibility Jamo
-  {  0x3190,   0x319F,  59}, // Kanbun
-  {  0x31A0,   0x31BF,  51}, // Bopomofo Extended
-  {  0x31C0,   0x31EF,  61}, // CJK Strokes
-  {  0x31F0,   0x31FF,  50}, // Katakana Phonetic Extensions
-  {  0x3200,   0x32FF,  54}, // Enclosed CJK Letters And Months
-  {  0x3300,   0x33FF,  55}, // CJK Compatibility
-  {  0x3400,   0x4DBF,  59}, // CJK Unified Ideographs Extension A
-  {  0x4DC0,   0x4DFF,  99}, // Yijing Hexagram Symbols
-  {  0x4E00,   0x9FFF,  59}, // CJK Unified Ideographs
-  {  0xA000,   0xA48F,  83}, // Yi Syllables
-  {  0xA490,   0xA4CF,  83}, // Yi Radicals
-  {  0xA500,   0xA63F,  12}, // Vai
-  {  0xA640,   0xA69F,   9}, // Cyrillic Extended-B
-  {  0xA700,   0xA71F,   5}, // Modifier Tone Letters
-  {  0xA720,   0xA7FF,  29}, // Latin Extended-D
-  {  0xA800,   0xA82F, 100}, // Syloti Nagri
-  {  0xA840,   0xA87F,  53}, // Phags-pa
-  {  0xA880,   0xA8DF, 115}, // Saurashtra
-  {  0xA900,   0xA92F, 116}, // Kayah Li
-  {  0xA930,   0xA95F, 117}, // Rejang
-  {  0xAA00,   0xAA5F, 118}, // Cham
-  {  0xAC00,   0xD7AF,  56}, // Hangul Syllables
-  {  0xD800,   0xDFFF,  57}, // Non-Plane 0 *
-  {  0xE000,   0xF8FF,  60}, // Private Use Area (plane 0)
-  {  0xF900,   0xFAFF,  61}, // CJK Compatibility Ideographs
-  {  0xFB00,   0xFB4F,  62}, // Alphabetic Presentation Forms
-  {  0xFB50,   0xFDFF,  63}, // Arabic Presentation Forms-A
-  {  0xFE00,   0xFE0F,  91}, // Variation Selectors
-  {  0xFE10,   0xFE1F,  65}, // Vertical Forms
-  {  0xFE20,   0xFE2F,  64}, // Combining Half Marks
-  {  0xFE30,   0xFE4F,  65}, // CJK Compatibility Forms
-  {  0xFE50,   0xFE6F,  66}, // Small Form Variants
-  {  0xFE70,   0xFEFF,  67}, // Arabic Presentation Forms-B
-  {  0xFF00,   0xFFEF,  68}, // Halfwidth And Fullwidth Forms
-  {  0xFFF0,   0xFFFF,  69}, // Specials
-  { 0x10000,  0x1007F, 101}, // Linear B Syllabary
-  { 0x10080,  0x100FF, 101}, // Linear B Ideograms
-  { 0x10100,  0x1013F, 101}, // Aegean Numbers
-  { 0x10140,  0x1018F, 102}, // Ancient Greek Numbers
-  { 0x10190,  0x101CF, 119}, // Ancient Symbols
-  { 0x101D0,  0x101FF, 120}, // Phaistos Disc
-  { 0x10280,  0x1029F, 121}, // Lycian
-  { 0x102A0,  0x102DF, 121}, // Carian
-  { 0x10300,  0x1032F,  85}, // Old Italic
-  { 0x10330,  0x1034F,  86}, // Gothic
-  { 0x10380,  0x1039F, 103}, // Ugaritic
-  { 0x103A0,  0x103DF, 104}, // Old Persian
-  { 0x10400,  0x1044F,  87}, // Deseret
-  { 0x10450,  0x1047F, 105}, // Shavian
-  { 0x10480,  0x104AF, 106}, // Osmanya
-  { 0x10800,  0x1083F, 107}, // Cypriot Syllabary
-  { 0x10900,  0x1091F,  58}, // Phoenician
-  { 0x10920,  0x1093F, 121}, // Lydian
-  { 0x10A00,  0x10A5F, 108}, // Kharoshthi
-  { 0x12000,  0x123FF, 110}, // Cuneiform
-  { 0x12400,  0x1247F, 110}, // Cuneiform Numbers and Punctuation
-  { 0x1D000,  0x1D0FF,  88}, // Byzantine Musical Symbols
-  { 0x1D100,  0x1D1FF,  88}, // Musical Symbols
-  { 0x1D200,  0x1D24F,  88}, // Ancient Greek Musical Notation
-  { 0x1D300,  0x1D35F, 109}, // Tai Xuan Jing Symbols
-  { 0x1D360,  0x1D37F, 111}, // Counting Rod Numerals
-  { 0x1D400,  0x1D7FF,  89}, // Mathematical Alphanumeric Symbols
-  { 0x1F000,  0x1F02F, 122}, // Mahjong Tiles
-  { 0x1F030,  0x1F09F, 122}, // Domino Tiles
-  { 0x20000,  0x2A6DF,  59}, // CJK Unified Ideographs Extension B
-  { 0x2F800,  0x2FA1F,  61}, // CJK Compatibility Ideographs Supplement
-  { 0xE0000,  0xE007F,  92}, // Tags
-  { 0xE0100,  0xE01EF,  91}, // Variation Selectors Supplement
-  { 0xF0000,  0xFFFFD,  90}, // Private Use (plane 15)
-  {0x100000, 0x10FFFD,  90}, // Private Use (plane 16)
-};
-
-static unsigned int hb_get_unicode_range_bit (hb_codepoint_t cp)
-{
-
-}
+HB_INTERNAL int
+hb_get_unicode_range_bit (hb_codepoint_t cp);
 
 } /* namespace OT */
 

From 4014555ca083dea3e4f42120aeaf52a2186b8a09 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 15:50:13 -0800
Subject: [PATCH 1312/1326] [subset] set ulUnicodeRange[] in os2.

---
 src/Makefile.sources            |   1 -
 src/hb-ot-os2-table.hh          |  23 +++-
 src/hb-ot-os2-unicode-ranges.cc | 221 +-------------------------------
 src/hb-ot-os2-unicode-ranges.hh | 210 +++++++++++++++++++++++++++++-
 4 files changed, 236 insertions(+), 219 deletions(-)

diff --git a/src/Makefile.sources b/src/Makefile.sources
index c20716434..e114a5013 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -29,7 +29,6 @@ HB_BASE_sources = \
 	hb-ot-name-table.hh \
 	hb-ot-os2-table.hh \
 	hb-ot-os2-unicode-ranges.hh \
-	hb-ot-os2-unicode-ranges.cc \
 	hb-ot-post-macroman.hh \
 	hb-ot-post-table.hh \
 	hb-ot-tag.cc \
diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 2d9d21495..63e972646 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -28,7 +28,7 @@
 #define HB_OT_OS2_TABLE_HH
 
 #include "hb-open-type-private.hh"
-
+#include "hb-ot-os2-unicode-ranges.hh"
 
 namespace OT {
 
@@ -67,11 +67,32 @@ struct os2
     os2_prime->usFirstCharIndex.set (min_cp);
     os2_prime->usLastCharIndex.set (max_cp);
 
+    _update_unicode_ranges (plan->codepoints, os2_prime->ulUnicodeRange);
     bool result = hb_subset_plan_add_table(plan, HB_OT_TAG_os2, os2_prime_blob);
+
     hb_blob_destroy (os2_prime_blob);
     return result;
   }
 
+  inline void _update_unicode_ranges (const hb_prealloced_array_t<hb_codepoint_t> &codepoints,
+                                      HBUINT32 ulUnicodeRange[4]) const
+  {
+    for (unsigned int i = 0; i < 4; i++)
+      ulUnicodeRange[i].set (0);
+
+    for (unsigned int i = 0; i < codepoints.len; i++)
+    {
+      hb_codepoint_t cp = codepoints[i];
+      int bit = hb_get_unicode_range_bit (cp);
+      if (bit >= 0 && bit < 128) {
+        unsigned int block = bit / 32;
+        unsigned int bit_in_block = bit % 32;
+        unsigned int mask = 1 << bit_in_block;
+        ulUnicodeRange[block].set (ulUnicodeRange[block] | mask);
+      }
+    }
+  }
+
   static inline void find_min_and_max_codepoint (const hb_prealloced_array_t<hb_codepoint_t> &codepoints,
                                                  uint16_t *min_cp, /* OUT */
                                                  uint16_t *max_cp  /* OUT */)
diff --git a/src/hb-ot-os2-unicode-ranges.cc b/src/hb-ot-os2-unicode-ranges.cc
index f2c063976..68dfe079b 100644
--- a/src/hb-ot-os2-unicode-ranges.cc
+++ b/src/hb-ot-os2-unicode-ranges.cc
@@ -26,225 +26,18 @@
 
 #include "hb-private.hh"
 
-#include "hb-dsalgs.hh"
-
-struct Range {
-  unsigned int start;
-  unsigned int end;
-  unsigned int bit;
-};
-
-#define NUM_RANGES 169
-static Range os2UnicodeRangesSorted[NUM_RANGES] = {
-  {     0x0,     0x7F,   0}, // Basic Latin
-  {    0x80,     0xFF,   1}, // Latin-1 Supplement
-  {   0x100,    0x17F,   2}, // Latin Extended-A
-  {   0x180,    0x24F,   3}, // Latin Extended-B
-  {   0x250,    0x2AF,   4}, // IPA Extensions
-  {   0x2B0,    0x2FF,   5}, // Spacing Modifier Letters
-  {   0x300,    0x36F,   6}, // Combining Diacritical Marks
-  {   0x370,    0x3FF,   7}, // Greek and Coptic
-  {   0x400,    0x4FF,   9}, // Cyrillic
-  {   0x500,    0x52F,   9}, // Cyrillic Supplement
-  {   0x530,    0x58F,  10}, // Armenian
-  {   0x590,    0x5FF,  11}, // Hebrew
-  {   0x600,    0x6FF,  13}, // Arabic
-  {   0x700,    0x74F,  71}, // Syriac
-  {   0x750,    0x77F,  13}, // Arabic Supplement
-  {   0x780,    0x7BF,  72}, // Thaana
-  {   0x7C0,    0x7FF,  14}, // NKo
-  {   0x900,    0x97F,  15}, // Devanagari
-  {   0x980,    0x9FF,  16}, // Bengali
-  {   0xA00,    0xA7F,  17}, // Gurmukhi
-  {   0xA80,    0xAFF,  18}, // Gujarati
-  {   0xB00,    0xB7F,  19}, // Oriya
-  {   0xB80,    0xBFF,  20}, // Tamil
-  {   0xC00,    0xC7F,  21}, // Telugu
-  {   0xC80,    0xCFF,  22}, // Kannada
-  {   0xD00,    0xD7F,  23}, // Malayalam
-  {   0xD80,    0xDFF,  73}, // Sinhala
-  {   0xE00,    0xE7F,  24}, // Thai
-  {   0xE80,    0xEFF,  25}, // Lao
-  {   0xF00,    0xFFF,  70}, // Tibetan
-  {  0x1000,   0x109F,  74}, // Myanmar
-  {  0x10A0,   0x10FF,  26}, // Georgian
-  {  0x1100,   0x11FF,  28}, // Hangul Jamo
-  {  0x1200,   0x137F,  75}, // Ethiopic
-  {  0x1380,   0x139F,  75}, // Ethiopic Supplement
-  {  0x13A0,   0x13FF,  76}, // Cherokee
-  {  0x1400,   0x167F,  77}, // Unified Canadian Aboriginal Syllabics
-  {  0x1680,   0x169F,  78}, // Ogham
-  {  0x16A0,   0x16FF,  79}, // Runic
-  {  0x1700,   0x171F,  84}, // Tagalog
-  {  0x1720,   0x173F,  84}, // Hanunoo
-  {  0x1740,   0x175F,  84}, // Buhid
-  {  0x1760,   0x177F,  84}, // Tagbanwa
-  {  0x1780,   0x17FF,  80}, // Khmer
-  {  0x1800,   0x18AF,  81}, // Mongolian
-  {  0x1900,   0x194F,  93}, // Limbu
-  {  0x1950,   0x197F,  94}, // Tai Le
-  {  0x1980,   0x19DF,  95}, // New Tai Lue
-  {  0x19E0,   0x19FF,  80}, // Khmer Symbols
-  {  0x1A00,   0x1A1F,  96}, // Buginese
-  {  0x1B00,   0x1B7F,  27}, // Balinese
-  {  0x1B80,   0x1BBF, 112}, // Sundanese
-  {  0x1C00,   0x1C4F, 113}, // Lepcha
-  {  0x1C50,   0x1C7F, 114}, // Ol Chiki
-  {  0x1D00,   0x1D7F,   4}, // Phonetic Extensions
-  {  0x1D80,   0x1DBF,   4}, // Phonetic Extensions Supplement
-  {  0x1DC0,   0x1DFF,   6}, // Combining Diacritical Marks Supplement
-  {  0x1E00,   0x1EFF,  29}, // Latin Extended Additional
-  {  0x1F00,   0x1FFF,  30}, // Greek Extended
-  {  0x2000,   0x206F,  31}, // General Punctuation
-  {  0x2070,   0x209F,  32}, // Superscripts And Subscripts
-  {  0x20A0,   0x20CF,  33}, // Currency Symbols
-  {  0x20D0,   0x20FF,  34}, // Combining Diacritical Marks For Symbols
-  {  0x2100,   0x214F,  35}, // Letterlike Symbols
-  {  0x2150,   0x218F,  36}, // Number Forms
-  {  0x2190,   0x21FF,  37}, // Arrows
-  {  0x2200,   0x22FF,  38}, // Mathematical Operators
-  {  0x2300,   0x23FF,  39}, // Miscellaneous Technical
-  {  0x2400,   0x243F,  40}, // Control Pictures
-  {  0x2440,   0x245F,  41}, // Optical Character Recognition
-  {  0x2460,   0x24FF,  42}, // Enclosed Alphanumerics
-  {  0x2500,   0x257F,  43}, // Box Drawing
-  {  0x2580,   0x259F,  44}, // Block Elements
-  {  0x25A0,   0x25FF,  45}, // Geometric Shapes
-  {  0x2600,   0x26FF,  46}, // Miscellaneous Symbols
-  {  0x2700,   0x27BF,  47}, // Dingbats
-  {  0x27C0,   0x27EF,  38}, // Miscellaneous Mathematical Symbols-A
-  {  0x27F0,   0x27FF,  37}, // Supplemental Arrows-A
-  {  0x2800,   0x28FF,  82}, // Braille Patterns
-  {  0x2900,   0x297F,  37}, // Supplemental Arrows-B
-  {  0x2980,   0x29FF,  38}, // Miscellaneous Mathematical Symbols-B
-  {  0x2A00,   0x2AFF,  38}, // Supplemental Mathematical Operators
-  {  0x2B00,   0x2BFF,  37}, // Miscellaneous Symbols and Arrows
-  {  0x2C00,   0x2C5F,  97}, // Glagolitic
-  {  0x2C60,   0x2C7F,  29}, // Latin Extended-C
-  {  0x2C80,   0x2CFF,   8}, // Coptic
-  {  0x2D00,   0x2D2F,  26}, // Georgian Supplement
-  {  0x2D30,   0x2D7F,  98}, // Tifinagh
-  {  0x2D80,   0x2DDF,  75}, // Ethiopic Extended
-  {  0x2DE0,   0x2DFF,   9}, // Cyrillic Extended-A
-  {  0x2E00,   0x2E7F,  31}, // Supplemental Punctuation
-  {  0x2E80,   0x2EFF,  59}, // CJK Radicals Supplement
-  {  0x2F00,   0x2FDF,  59}, // Kangxi Radicals
-  {  0x2FF0,   0x2FFF,  59}, // Ideographic Description Characters
-  {  0x3000,   0x303F,  48}, // CJK Symbols And Punctuation
-  {  0x3040,   0x309F,  49}, // Hiragana
-  {  0x30A0,   0x30FF,  50}, // Katakana
-  {  0x3100,   0x312F,  51}, // Bopomofo
-  {  0x3130,   0x318F,  52}, // Hangul Compatibility Jamo
-  {  0x3190,   0x319F,  59}, // Kanbun
-  {  0x31A0,   0x31BF,  51}, // Bopomofo Extended
-  {  0x31C0,   0x31EF,  61}, // CJK Strokes
-  {  0x31F0,   0x31FF,  50}, // Katakana Phonetic Extensions
-  {  0x3200,   0x32FF,  54}, // Enclosed CJK Letters And Months
-  {  0x3300,   0x33FF,  55}, // CJK Compatibility
-  {  0x3400,   0x4DBF,  59}, // CJK Unified Ideographs Extension A
-  {  0x4DC0,   0x4DFF,  99}, // Yijing Hexagram Symbols
-  {  0x4E00,   0x9FFF,  59}, // CJK Unified Ideographs
-  {  0xA000,   0xA48F,  83}, // Yi Syllables
-  {  0xA490,   0xA4CF,  83}, // Yi Radicals
-  {  0xA500,   0xA63F,  12}, // Vai
-  {  0xA640,   0xA69F,   9}, // Cyrillic Extended-B
-  {  0xA700,   0xA71F,   5}, // Modifier Tone Letters
-  {  0xA720,   0xA7FF,  29}, // Latin Extended-D
-  {  0xA800,   0xA82F, 100}, // Syloti Nagri
-  {  0xA840,   0xA87F,  53}, // Phags-pa
-  {  0xA880,   0xA8DF, 115}, // Saurashtra
-  {  0xA900,   0xA92F, 116}, // Kayah Li
-  {  0xA930,   0xA95F, 117}, // Rejang
-  {  0xAA00,   0xAA5F, 118}, // Cham
-  {  0xAC00,   0xD7AF,  56}, // Hangul Syllables
-  {  0xD800,   0xDFFF,  57}, // Non-Plane 0 *
-  {  0xE000,   0xF8FF,  60}, // Private Use Area (plane 0)
-  {  0xF900,   0xFAFF,  61}, // CJK Compatibility Ideographs
-  {  0xFB00,   0xFB4F,  62}, // Alphabetic Presentation Forms
-  {  0xFB50,   0xFDFF,  63}, // Arabic Presentation Forms-A
-  {  0xFE00,   0xFE0F,  91}, // Variation Selectors
-  {  0xFE10,   0xFE1F,  65}, // Vertical Forms
-  {  0xFE20,   0xFE2F,  64}, // Combining Half Marks
-  {  0xFE30,   0xFE4F,  65}, // CJK Compatibility Forms
-  {  0xFE50,   0xFE6F,  66}, // Small Form Variants
-  {  0xFE70,   0xFEFF,  67}, // Arabic Presentation Forms-B
-  {  0xFF00,   0xFFEF,  68}, // Halfwidth And Fullwidth Forms
-  {  0xFFF0,   0xFFFF,  69}, // Specials
-  { 0x10000,  0x1007F, 101}, // Linear B Syllabary
-  { 0x10080,  0x100FF, 101}, // Linear B Ideograms
-  { 0x10100,  0x1013F, 101}, // Aegean Numbers
-  { 0x10140,  0x1018F, 102}, // Ancient Greek Numbers
-  { 0x10190,  0x101CF, 119}, // Ancient Symbols
-  { 0x101D0,  0x101FF, 120}, // Phaistos Disc
-  { 0x10280,  0x1029F, 121}, // Lycian
-  { 0x102A0,  0x102DF, 121}, // Carian
-  { 0x10300,  0x1032F,  85}, // Old Italic
-  { 0x10330,  0x1034F,  86}, // Gothic
-  { 0x10380,  0x1039F, 103}, // Ugaritic
-  { 0x103A0,  0x103DF, 104}, // Old Persian
-  { 0x10400,  0x1044F,  87}, // Deseret
-  { 0x10450,  0x1047F, 105}, // Shavian
-  { 0x10480,  0x104AF, 106}, // Osmanya
-  { 0x10800,  0x1083F, 107}, // Cypriot Syllabary
-  { 0x10900,  0x1091F,  58}, // Phoenician
-  { 0x10920,  0x1093F, 121}, // Lydian
-  { 0x10A00,  0x10A5F, 108}, // Kharoshthi
-  { 0x12000,  0x123FF, 110}, // Cuneiform
-  { 0x12400,  0x1247F, 110}, // Cuneiform Numbers and Punctuation
-  { 0x1D000,  0x1D0FF,  88}, // Byzantine Musical Symbols
-  { 0x1D100,  0x1D1FF,  88}, // Musical Symbols
-  { 0x1D200,  0x1D24F,  88}, // Ancient Greek Musical Notation
-  { 0x1D300,  0x1D35F, 109}, // Tai Xuan Jing Symbols
-  { 0x1D360,  0x1D37F, 111}, // Counting Rod Numerals
-  { 0x1D400,  0x1D7FF,  89}, // Mathematical Alphanumeric Symbols
-  { 0x1F000,  0x1F02F, 122}, // Mahjong Tiles
-  { 0x1F030,  0x1F09F, 122}, // Domino Tiles
-  { 0x20000,  0x2A6DF,  59}, // CJK Unified Ideographs Extension B
-  { 0x2F800,  0x2FA1F,  61}, // CJK Compatibility Ideographs Supplement
-  { 0xE0000,  0xE007F,  92}, // Tags
-  { 0xE0100,  0xE01EF,  91}, // Variation Selectors Supplement
-  { 0xF0000,  0xFFFFD,  90}, // Private Use (plane 15)
-  {0x100000, 0x10FFFD,  90}, // Private Use (plane 16)
-};
-
-static int
-_compare_range (const void *_key, const void *_item, void *_arg)
-{
-  hb_codepoint_t *cp = (hb_codepoint_t *) _key;
-  Range *range = (Range *) _item;
-
-  if (*cp < range->start)
-    return -1;
-  else if (*cp <= range->end)
-    return 0;
-  else
-    return 1;
-}
-
-/**
- * hb_get_unicode_range_bit:
- * Returns the bit to be set in os/2 ulUnicodeRange for a given codepoint.
- **/
-static int
-hb_get_unicode_range_bit (hb_codepoint_t cp)
-{
-  Range *range = (Range*) hb_bsearch_r (&cp, os2UnicodeRangesSorted, NUM_RANGES, sizeof(Range),
-                                        _compare_range, nullptr);
-  if (range != NULL)
-    return range->bit;
-  return -1;
-}
-
-
-#ifdef MAIN
+#include "hb-ot-os2-unicode-ranges.hh"
 
 void
 test (hb_codepoint_t cp, int bit)
 {
-  if (hb_get_unicode_range_bit (cp) != bit)
+  // TODO:
+  //  Note: * Setting bit 57 implies that there is at least one codepoint beyond the Basic
+  //  Multilingual Plane that is supported by this font. (See fontTools impl.)
+  if (OT::hb_get_unicode_range_bit (cp) != bit)
   {
     fprintf (stderr, "got incorrect bit (%d) for cp 0x%X. Should have been %d.",
-             hb_get_unicode_range_bit (cp),
+             OT::hb_get_unicode_range_bit (cp),
              cp,
              bit);
     abort();
@@ -275,5 +68,3 @@ main (void)
   test_get_unicode_range_bit ();
   return 0;
 }
-
-#endif
diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
index 5f36b20ce..4148342ac 100644
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -28,11 +28,217 @@
 #define HB_OT_OS2_UNICODE_RANGES_HH
 
 #include "hb-private.hh"
+#include "hb-dsalgs.hh"
 
 namespace OT {
 
-HB_INTERNAL int
-hb_get_unicode_range_bit (hb_codepoint_t cp);
+struct Range {
+  unsigned int start;
+  unsigned int end;
+  unsigned int bit;
+};
+
+static Range os2UnicodeRangesSorted[] = {
+  {     0x0,     0x7F,   0}, // Basic Latin
+  {    0x80,     0xFF,   1}, // Latin-1 Supplement
+  {   0x100,    0x17F,   2}, // Latin Extended-A
+  {   0x180,    0x24F,   3}, // Latin Extended-B
+  {   0x250,    0x2AF,   4}, // IPA Extensions
+  {   0x2B0,    0x2FF,   5}, // Spacing Modifier Letters
+  {   0x300,    0x36F,   6}, // Combining Diacritical Marks
+  {   0x370,    0x3FF,   7}, // Greek and Coptic
+  {   0x400,    0x4FF,   9}, // Cyrillic
+  {   0x500,    0x52F,   9}, // Cyrillic Supplement
+  {   0x530,    0x58F,  10}, // Armenian
+  {   0x590,    0x5FF,  11}, // Hebrew
+  {   0x600,    0x6FF,  13}, // Arabic
+  {   0x700,    0x74F,  71}, // Syriac
+  {   0x750,    0x77F,  13}, // Arabic Supplement
+  {   0x780,    0x7BF,  72}, // Thaana
+  {   0x7C0,    0x7FF,  14}, // NKo
+  {   0x900,    0x97F,  15}, // Devanagari
+  {   0x980,    0x9FF,  16}, // Bengali
+  {   0xA00,    0xA7F,  17}, // Gurmukhi
+  {   0xA80,    0xAFF,  18}, // Gujarati
+  {   0xB00,    0xB7F,  19}, // Oriya
+  {   0xB80,    0xBFF,  20}, // Tamil
+  {   0xC00,    0xC7F,  21}, // Telugu
+  {   0xC80,    0xCFF,  22}, // Kannada
+  {   0xD00,    0xD7F,  23}, // Malayalam
+  {   0xD80,    0xDFF,  73}, // Sinhala
+  {   0xE00,    0xE7F,  24}, // Thai
+  {   0xE80,    0xEFF,  25}, // Lao
+  {   0xF00,    0xFFF,  70}, // Tibetan
+  {  0x1000,   0x109F,  74}, // Myanmar
+  {  0x10A0,   0x10FF,  26}, // Georgian
+  {  0x1100,   0x11FF,  28}, // Hangul Jamo
+  {  0x1200,   0x137F,  75}, // Ethiopic
+  {  0x1380,   0x139F,  75}, // Ethiopic Supplement
+  {  0x13A0,   0x13FF,  76}, // Cherokee
+  {  0x1400,   0x167F,  77}, // Unified Canadian Aboriginal Syllabics
+  {  0x1680,   0x169F,  78}, // Ogham
+  {  0x16A0,   0x16FF,  79}, // Runic
+  {  0x1700,   0x171F,  84}, // Tagalog
+  {  0x1720,   0x173F,  84}, // Hanunoo
+  {  0x1740,   0x175F,  84}, // Buhid
+  {  0x1760,   0x177F,  84}, // Tagbanwa
+  {  0x1780,   0x17FF,  80}, // Khmer
+  {  0x1800,   0x18AF,  81}, // Mongolian
+  {  0x1900,   0x194F,  93}, // Limbu
+  {  0x1950,   0x197F,  94}, // Tai Le
+  {  0x1980,   0x19DF,  95}, // New Tai Lue
+  {  0x19E0,   0x19FF,  80}, // Khmer Symbols
+  {  0x1A00,   0x1A1F,  96}, // Buginese
+  {  0x1B00,   0x1B7F,  27}, // Balinese
+  {  0x1B80,   0x1BBF, 112}, // Sundanese
+  {  0x1C00,   0x1C4F, 113}, // Lepcha
+  {  0x1C50,   0x1C7F, 114}, // Ol Chiki
+  {  0x1D00,   0x1D7F,   4}, // Phonetic Extensions
+  {  0x1D80,   0x1DBF,   4}, // Phonetic Extensions Supplement
+  {  0x1DC0,   0x1DFF,   6}, // Combining Diacritical Marks Supplement
+  {  0x1E00,   0x1EFF,  29}, // Latin Extended Additional
+  {  0x1F00,   0x1FFF,  30}, // Greek Extended
+  {  0x2000,   0x206F,  31}, // General Punctuation
+  {  0x2070,   0x209F,  32}, // Superscripts And Subscripts
+  {  0x20A0,   0x20CF,  33}, // Currency Symbols
+  {  0x20D0,   0x20FF,  34}, // Combining Diacritical Marks For Symbols
+  {  0x2100,   0x214F,  35}, // Letterlike Symbols
+  {  0x2150,   0x218F,  36}, // Number Forms
+  {  0x2190,   0x21FF,  37}, // Arrows
+  {  0x2200,   0x22FF,  38}, // Mathematical Operators
+  {  0x2300,   0x23FF,  39}, // Miscellaneous Technical
+  {  0x2400,   0x243F,  40}, // Control Pictures
+  {  0x2440,   0x245F,  41}, // Optical Character Recognition
+  {  0x2460,   0x24FF,  42}, // Enclosed Alphanumerics
+  {  0x2500,   0x257F,  43}, // Box Drawing
+  {  0x2580,   0x259F,  44}, // Block Elements
+  {  0x25A0,   0x25FF,  45}, // Geometric Shapes
+  {  0x2600,   0x26FF,  46}, // Miscellaneous Symbols
+  {  0x2700,   0x27BF,  47}, // Dingbats
+  {  0x27C0,   0x27EF,  38}, // Miscellaneous Mathematical Symbols-A
+  {  0x27F0,   0x27FF,  37}, // Supplemental Arrows-A
+  {  0x2800,   0x28FF,  82}, // Braille Patterns
+  {  0x2900,   0x297F,  37}, // Supplemental Arrows-B
+  {  0x2980,   0x29FF,  38}, // Miscellaneous Mathematical Symbols-B
+  {  0x2A00,   0x2AFF,  38}, // Supplemental Mathematical Operators
+  {  0x2B00,   0x2BFF,  37}, // Miscellaneous Symbols and Arrows
+  {  0x2C00,   0x2C5F,  97}, // Glagolitic
+  {  0x2C60,   0x2C7F,  29}, // Latin Extended-C
+  {  0x2C80,   0x2CFF,   8}, // Coptic
+  {  0x2D00,   0x2D2F,  26}, // Georgian Supplement
+  {  0x2D30,   0x2D7F,  98}, // Tifinagh
+  {  0x2D80,   0x2DDF,  75}, // Ethiopic Extended
+  {  0x2DE0,   0x2DFF,   9}, // Cyrillic Extended-A
+  {  0x2E00,   0x2E7F,  31}, // Supplemental Punctuation
+  {  0x2E80,   0x2EFF,  59}, // CJK Radicals Supplement
+  {  0x2F00,   0x2FDF,  59}, // Kangxi Radicals
+  {  0x2FF0,   0x2FFF,  59}, // Ideographic Description Characters
+  {  0x3000,   0x303F,  48}, // CJK Symbols And Punctuation
+  {  0x3040,   0x309F,  49}, // Hiragana
+  {  0x30A0,   0x30FF,  50}, // Katakana
+  {  0x3100,   0x312F,  51}, // Bopomofo
+  {  0x3130,   0x318F,  52}, // Hangul Compatibility Jamo
+  {  0x3190,   0x319F,  59}, // Kanbun
+  {  0x31A0,   0x31BF,  51}, // Bopomofo Extended
+  {  0x31C0,   0x31EF,  61}, // CJK Strokes
+  {  0x31F0,   0x31FF,  50}, // Katakana Phonetic Extensions
+  {  0x3200,   0x32FF,  54}, // Enclosed CJK Letters And Months
+  {  0x3300,   0x33FF,  55}, // CJK Compatibility
+  {  0x3400,   0x4DBF,  59}, // CJK Unified Ideographs Extension A
+  {  0x4DC0,   0x4DFF,  99}, // Yijing Hexagram Symbols
+  {  0x4E00,   0x9FFF,  59}, // CJK Unified Ideographs
+  {  0xA000,   0xA48F,  83}, // Yi Syllables
+  {  0xA490,   0xA4CF,  83}, // Yi Radicals
+  {  0xA500,   0xA63F,  12}, // Vai
+  {  0xA640,   0xA69F,   9}, // Cyrillic Extended-B
+  {  0xA700,   0xA71F,   5}, // Modifier Tone Letters
+  {  0xA720,   0xA7FF,  29}, // Latin Extended-D
+  {  0xA800,   0xA82F, 100}, // Syloti Nagri
+  {  0xA840,   0xA87F,  53}, // Phags-pa
+  {  0xA880,   0xA8DF, 115}, // Saurashtra
+  {  0xA900,   0xA92F, 116}, // Kayah Li
+  {  0xA930,   0xA95F, 117}, // Rejang
+  {  0xAA00,   0xAA5F, 118}, // Cham
+  {  0xAC00,   0xD7AF,  56}, // Hangul Syllables
+  {  0xD800,   0xDFFF,  57}, // Non-Plane 0 *
+  {  0xE000,   0xF8FF,  60}, // Private Use Area (plane 0)
+  {  0xF900,   0xFAFF,  61}, // CJK Compatibility Ideographs
+  {  0xFB00,   0xFB4F,  62}, // Alphabetic Presentation Forms
+  {  0xFB50,   0xFDFF,  63}, // Arabic Presentation Forms-A
+  {  0xFE00,   0xFE0F,  91}, // Variation Selectors
+  {  0xFE10,   0xFE1F,  65}, // Vertical Forms
+  {  0xFE20,   0xFE2F,  64}, // Combining Half Marks
+  {  0xFE30,   0xFE4F,  65}, // CJK Compatibility Forms
+  {  0xFE50,   0xFE6F,  66}, // Small Form Variants
+  {  0xFE70,   0xFEFF,  67}, // Arabic Presentation Forms-B
+  {  0xFF00,   0xFFEF,  68}, // Halfwidth And Fullwidth Forms
+  {  0xFFF0,   0xFFFF,  69}, // Specials
+  { 0x10000,  0x1007F, 101}, // Linear B Syllabary
+  { 0x10080,  0x100FF, 101}, // Linear B Ideograms
+  { 0x10100,  0x1013F, 101}, // Aegean Numbers
+  { 0x10140,  0x1018F, 102}, // Ancient Greek Numbers
+  { 0x10190,  0x101CF, 119}, // Ancient Symbols
+  { 0x101D0,  0x101FF, 120}, // Phaistos Disc
+  { 0x10280,  0x1029F, 121}, // Lycian
+  { 0x102A0,  0x102DF, 121}, // Carian
+  { 0x10300,  0x1032F,  85}, // Old Italic
+  { 0x10330,  0x1034F,  86}, // Gothic
+  { 0x10380,  0x1039F, 103}, // Ugaritic
+  { 0x103A0,  0x103DF, 104}, // Old Persian
+  { 0x10400,  0x1044F,  87}, // Deseret
+  { 0x10450,  0x1047F, 105}, // Shavian
+  { 0x10480,  0x104AF, 106}, // Osmanya
+  { 0x10800,  0x1083F, 107}, // Cypriot Syllabary
+  { 0x10900,  0x1091F,  58}, // Phoenician
+  { 0x10920,  0x1093F, 121}, // Lydian
+  { 0x10A00,  0x10A5F, 108}, // Kharoshthi
+  { 0x12000,  0x123FF, 110}, // Cuneiform
+  { 0x12400,  0x1247F, 110}, // Cuneiform Numbers and Punctuation
+  { 0x1D000,  0x1D0FF,  88}, // Byzantine Musical Symbols
+  { 0x1D100,  0x1D1FF,  88}, // Musical Symbols
+  { 0x1D200,  0x1D24F,  88}, // Ancient Greek Musical Notation
+  { 0x1D300,  0x1D35F, 109}, // Tai Xuan Jing Symbols
+  { 0x1D360,  0x1D37F, 111}, // Counting Rod Numerals
+  { 0x1D400,  0x1D7FF,  89}, // Mathematical Alphanumeric Symbols
+  { 0x1F000,  0x1F02F, 122}, // Mahjong Tiles
+  { 0x1F030,  0x1F09F, 122}, // Domino Tiles
+  { 0x20000,  0x2A6DF,  59}, // CJK Unified Ideographs Extension B
+  { 0x2F800,  0x2FA1F,  61}, // CJK Compatibility Ideographs Supplement
+  { 0xE0000,  0xE007F,  92}, // Tags
+  { 0xE0100,  0xE01EF,  91}, // Variation Selectors Supplement
+  { 0xF0000,  0xFFFFD,  90}, // Private Use (plane 15)
+  {0x100000, 0x10FFFD,  90}, // Private Use (plane 16)
+};
+
+static int
+_compare_range (const void *_key, const void *_item, void *_arg)
+{
+  hb_codepoint_t *cp = (hb_codepoint_t *) _key;
+  Range *range = (Range *) _item;
+
+  if (*cp < range->start)
+    return -1;
+  else if (*cp <= range->end)
+    return 0;
+  else
+    return 1;
+}
+
+/**
+ * hb_get_unicode_range_bit:
+ * Returns the bit to be set in os/2 ulUnicodeRange for a given codepoint.
+ **/
+static int
+hb_get_unicode_range_bit (hb_codepoint_t cp)
+{
+  Range *range = (Range*) hb_bsearch_r (&cp, os2UnicodeRangesSorted,
+                                        sizeof (os2UnicodeRangesSorted) / sizeof(Range),
+                                        sizeof(Range),
+                                        _compare_range, nullptr);
+  if (range != NULL)
+    return range->bit;
+  return -1;
+}
 
 } /* namespace OT */
 

From f82f2a3e50805503d93aa1aa1ccb27da4967a14a Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 15:52:01 -0800
Subject: [PATCH 1313/1326] [subset] Rename hb-os2-unicode-ranges.cc to
 test-unicode-ranges.cc.

---
 src/Makefile.am                                             | 2 +-
 src/{hb-ot-os2-unicode-ranges.cc => test-unicode-ranges.cc} | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename src/{hb-ot-os2-unicode-ranges.cc => test-unicode-ranges.cc} (100%)

diff --git a/src/Makefile.am b/src/Makefile.am
index 6044366da..73c0c61dd 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -388,7 +388,7 @@ test_ot_tag_SOURCES = hb-ot-tag.cc
 test_ot_tag_CPPFLAGS = $(HBCFLAGS) -DMAIN
 test_ot_tag_LDADD = libharfbuzz.la $(HBLIBS)
 
-test_unicode_ranges_SOURCES = hb-ot-os2-unicode-ranges.cc
+test_unicode_ranges_SOURCES = test-unicode-ranges.cc
 test_unicode_ranges_CPPFLAGS = $(HBCFLAGS) -DMAIN
 test_unicode_ranges_LDADD = libharfbuzz.la $(HBLIBS)
 
diff --git a/src/hb-ot-os2-unicode-ranges.cc b/src/test-unicode-ranges.cc
similarity index 100%
rename from src/hb-ot-os2-unicode-ranges.cc
rename to src/test-unicode-ranges.cc

From f757757eda5f00a89a156e3427bdf8c4313611ef Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 15:56:36 -0800
Subject: [PATCH 1314/1326] [subset] Add cmake build def for
 test-unicode-ranges.

---
 CMakeLists.txt  | 2 +-
 src/Makefile.am | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7a5d8308..660da5a1f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -809,7 +809,7 @@ endif ()
 
 ## src/ executables
 if (NOT HB_DISABLE_TEST_PROGS)
-  foreach (prog main test test-would-substitute test-size-params test-buffer-serialize hb-ot-tag)
+  foreach (prog main test test-would-substitute test-size-params test-buffer-serialize hb-ot-tag test-unicode-ranges)
     set (prog_name ${prog})
     if (${prog_name} STREQUAL "test")
       # test can not be used as a valid executable name on cmake, lets special case it
diff --git a/src/Makefile.am b/src/Makefile.am
index 73c0c61dd..2871f30f4 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -389,7 +389,6 @@ test_ot_tag_CPPFLAGS = $(HBCFLAGS) -DMAIN
 test_ot_tag_LDADD = libharfbuzz.la $(HBLIBS)
 
 test_unicode_ranges_SOURCES = test-unicode-ranges.cc
-test_unicode_ranges_CPPFLAGS = $(HBCFLAGS) -DMAIN
 test_unicode_ranges_LDADD = libharfbuzz.la $(HBLIBS)
 
 TESTS_ENVIRONMENT = \

From ddc4f2b9fc5566e70558a57133289f84d467cc98 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 15:59:32 -0800
Subject: [PATCH 1315/1326] [subset] Add python util that was used to generated
 hb-ot-os2-unicode-ranges.hh

---
 util/generate-unicode-ranges.py | 50 +++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 util/generate-unicode-ranges.py

diff --git a/util/generate-unicode-ranges.py b/util/generate-unicode-ranges.py
new file mode 100644
index 000000000..e24b262a3
--- /dev/null
+++ b/util/generate-unicode-ranges.py
@@ -0,0 +1,50 @@
+# -*- coding: utf-8 -*-
+
+# Generates the code for a sorted unicode range array as used in hb-ot-os2-unicode-ranges.hh
+# Input is a tab seperated list of unicode ranges from the otspec.
+
+import io
+import re
+import sys
+
+reload(sys)
+sys.setdefaultencoding('utf-8')
+
+print (u"""static Range os2UnicodeRangesSorted[] = {""")
+
+args = sys.argv[1:]
+input_file = args[0]
+
+with io.open(input_file, mode="r", encoding="utf-8") as f:
+
+  all_ranges = [];
+  current_bit = 0
+  while True:
+    line = f.readline().strip()
+    if not line:
+      break
+    fields = re.split(r'\t+', line)
+    if len(fields) == 3:
+      current_bit = fields[0]
+      fields = fields[1:]
+    elif len(fields) > 3:
+      raise Error("bad input :(.")
+
+    name = fields[0]
+    ranges = re.split("-", fields[1])
+    if len(ranges) != 2:
+      raise Error("bad input :(.")
+
+    v = tuple((int(ranges[0], 16), int(ranges[1], 16), int(current_bit), name))
+    all_ranges.append(v)
+
+all_ranges = sorted(all_ranges, key=lambda t: t[0])
+
+for ranges in all_ranges:
+  start = ("0x%X" % ranges[0]).rjust(8)
+  end = ("0x%X" % ranges[1]).rjust(8)
+  bit = ("%s" % ranges[2]).rjust(3)
+
+  print "  {%s, %s, %s}, // %s" % (start, end, bit, ranges[3])
+
+print (u"""};""");

From 074b5a29a166d1812abc7229a71af4a3bb311536 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 16:11:24 -0800
Subject: [PATCH 1316/1326] [subset] Add special case handling of bit 57 in os2
 ulUnicodeRange.

---
 src/hb-ot-os2-table.hh     | 7 +++++++
 src/test-unicode-ranges.cc | 3 ---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 63e972646..7325e93ef 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -90,6 +90,13 @@ struct os2
         unsigned int mask = 1 << bit_in_block;
         ulUnicodeRange[block].set (ulUnicodeRange[block] | mask);
       }
+      if (cp >= 0x10000 && cp <= 0x110000)
+      {
+        /* the spec says that bit 57 ("Non Plane 0") implies that there's
+           at least one codepoint beyond the BMP; so I also include all
+           the non-BMP codepoints here */
+        ulUnicodeRange[2].set (ulUnicodeRange[2] | (1 << 25));
+      }
     }
   }
 
diff --git a/src/test-unicode-ranges.cc b/src/test-unicode-ranges.cc
index 68dfe079b..16d01ef20 100644
--- a/src/test-unicode-ranges.cc
+++ b/src/test-unicode-ranges.cc
@@ -31,9 +31,6 @@
 void
 test (hb_codepoint_t cp, int bit)
 {
-  // TODO:
-  //  Note: * Setting bit 57 implies that there is at least one codepoint beyond the Basic
-  //  Multilingual Plane that is supported by this font. (See fontTools impl.)
   if (OT::hb_get_unicode_range_bit (cp) != bit)
   {
     fprintf (stderr, "got incorrect bit (%d) for cp 0x%X. Should have been %d.",

From e20ab71d12b032371b830b76462e5e979d963b58 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 16:13:10 -0800
Subject: [PATCH 1317/1326] [subset] Fix incorrect index.

---
 src/hb-ot-os2-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 7325e93ef..754537a6a 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -95,7 +95,7 @@ struct os2
         /* the spec says that bit 57 ("Non Plane 0") implies that there's
            at least one codepoint beyond the BMP; so I also include all
            the non-BMP codepoints here */
-        ulUnicodeRange[2].set (ulUnicodeRange[2] | (1 << 25));
+        ulUnicodeRange[1].set (ulUnicodeRange[1] | (1 << 25));
       }
     }
   }

From 0be9fea0a96701b159a9db190e55b1c3efc38a28 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 16:15:09 -0800
Subject: [PATCH 1318/1326] [subset] Add comment to os2UnicodeRangesSorted.

---
 src/hb-ot-os2-unicode-ranges.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
index 4148342ac..9e06c1006 100644
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -38,6 +38,7 @@ struct Range {
   unsigned int bit;
 };
 
+/* Note: The contents of this array was generated using util/generate-unicode-ranges.py. */
 static Range os2UnicodeRangesSorted[] = {
   {     0x0,     0x7F,   0}, // Basic Latin
   {    0x80,     0xFF,   1}, // Latin-1 Supplement

From 6368ce4c927b1457cf19945d5957e91d4621dc8b Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 17:44:39 -0800
Subject: [PATCH 1319/1326] [subset] const in _compare_range.

---
 src/hb-ot-os2-unicode-ranges.hh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
index 9e06c1006..a456ffddb 100644
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -214,12 +214,12 @@ static Range os2UnicodeRangesSorted[] = {
 static int
 _compare_range (const void *_key, const void *_item, void *_arg)
 {
-  hb_codepoint_t *cp = (hb_codepoint_t *) _key;
-  Range *range = (Range *) _item;
+  hb_codepoint_t cp = *((hb_codepoint_t *) _key);
+  const Range *range = (Range *) _item;
 
-  if (*cp < range->start)
+  if (cp < range->start)
     return -1;
-  else if (*cp <= range->end)
+  else if (cp <= range->end)
     return 0;
   else
     return 1;

From f630ae5161bfc8420f9ae0127fd8c7f447874fdd Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 17:46:17 -0800
Subject: [PATCH 1320/1326] [subset] unsigned int -> hb_codepoint_t.

---
 src/hb-ot-os2-unicode-ranges.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
index a456ffddb..a3ad4d344 100644
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -33,8 +33,8 @@
 namespace OT {
 
 struct Range {
-  unsigned int start;
-  unsigned int end;
+  hb_codepoint_t start;
+  hb_codepoint_t end;
   unsigned int bit;
 };
 

From 0c0fe2ff8209228f2ddfce464b7b6f1b1ee1654a Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 17:47:10 -0800
Subject: [PATCH 1321/1326] [subset] Move util/generated-unicode-ranges.py to
 src/gen-unicode-ranges.py

---
 util/generate-unicode-ranges.py => src/gen-unicode-ranges.py | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename util/generate-unicode-ranges.py => src/gen-unicode-ranges.py (100%)

diff --git a/util/generate-unicode-ranges.py b/src/gen-unicode-ranges.py
similarity index 100%
rename from util/generate-unicode-ranges.py
rename to src/gen-unicode-ranges.py

From f1c8fc3487d5c5efb8ee1804acb07e6e282d3bc5 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 17:48:51 -0800
Subject: [PATCH 1322/1326] [subset] small updates to gen-unicode-ranges.py

---
 src/gen-unicode-ranges.py       | 6 ++++--
 src/hb-ot-os2-unicode-ranges.hh | 3 ++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/gen-unicode-ranges.py b/src/gen-unicode-ranges.py
index e24b262a3..3b59cd862 100644
--- a/src/gen-unicode-ranges.py
+++ b/src/gen-unicode-ranges.py
@@ -1,7 +1,8 @@
 # -*- coding: utf-8 -*-
 
 # Generates the code for a sorted unicode range array as used in hb-ot-os2-unicode-ranges.hh
-# Input is a tab seperated list of unicode ranges from the otspec.
+# Input is a tab seperated list of unicode ranges from the otspec
+# (https://docs.microsoft.com/en-us/typography/opentype/spec/os2#ulunicoderange1).
 
 import io
 import re
@@ -10,7 +11,8 @@ import sys
 reload(sys)
 sys.setdefaultencoding('utf-8')
 
-print (u"""static Range os2UnicodeRangesSorted[] = {""")
+print (u"""static Range os2UnicodeRangesSorted[] =
+{""")
 
 args = sys.argv[1:]
 input_file = args[0]
diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
index a3ad4d344..f4b339eaf 100644
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -39,7 +39,8 @@ struct Range {
 };
 
 /* Note: The contents of this array was generated using util/generate-unicode-ranges.py. */
-static Range os2UnicodeRangesSorted[] = {
+static Range os2UnicodeRangesSorted[] =
+{
   {     0x0,     0x7F,   0}, // Basic Latin
   {    0x80,     0xFF,   1}, // Latin-1 Supplement
   {   0x100,    0x17F,   2}, // Latin Extended-A

From ad3f2f77dafdee524e836e732077ee9670602369 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 17:51:27 -0800
Subject: [PATCH 1323/1326] [subset] small cleanups in hb-ot-os2-table.

---
 src/hb-ot-os2-table.hh          | 5 +++--
 src/hb-ot-os2-unicode-ranges.hh | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/hb-ot-os2-table.hh b/src/hb-ot-os2-table.hh
index 754537a6a..6cb8d4949 100644
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@@ -83,8 +83,9 @@ struct os2
     for (unsigned int i = 0; i < codepoints.len; i++)
     {
       hb_codepoint_t cp = codepoints[i];
-      int bit = hb_get_unicode_range_bit (cp);
-      if (bit >= 0 && bit < 128) {
+      unsigned int bit = hb_get_unicode_range_bit (cp);
+      if (bit < 128)
+      {
         unsigned int block = bit / 32;
         unsigned int bit_in_block = bit % 32;
         unsigned int mask = 1 << bit_in_block;
diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
index f4b339eaf..2c05d895e 100644
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -230,7 +230,7 @@ _compare_range (const void *_key, const void *_item, void *_arg)
  * hb_get_unicode_range_bit:
  * Returns the bit to be set in os/2 ulUnicodeRange for a given codepoint.
  **/
-static int
+static unsigned int
 hb_get_unicode_range_bit (hb_codepoint_t cp)
 {
   Range *range = (Range*) hb_bsearch_r (&cp, os2UnicodeRangesSorted,

From 44dc36dd82fc948a15e2ad0d605eb4a466b3553d Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Mon, 26 Feb 2018 17:56:23 -0800
Subject: [PATCH 1324/1326] [subset] update to comment in
 hb-ot-os2-unicode-ranges.hh

---
 src/hb-ot-os2-unicode-ranges.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-os2-unicode-ranges.hh b/src/hb-ot-os2-unicode-ranges.hh
index 2c05d895e..2cf168f9c 100644
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@@ -38,7 +38,7 @@ struct Range {
   unsigned int bit;
 };
 
-/* Note: The contents of this array was generated using util/generate-unicode-ranges.py. */
+/* Note: The contents of this array was generated using src/gen-unicode-ranges.py. */
 static Range os2UnicodeRangesSorted[] =
 {
   {     0x0,     0x7F,   0}, // Basic Latin

From 903771b6c7689b9eee9a11bac128c42f39833b2e Mon Sep 17 00:00:00 2001
From: Rod Sheeter <rsheeter@google.com>
Date: Mon, 26 Feb 2018 19:50:06 -0800
Subject: [PATCH 1325/1326] [subset] clearer name for trim() and better comment
 about composite handling, per review feedback

---
 src/hb-ot-glyf-table.hh |  8 +++++---
 src/hb-subset-glyf.cc   | 17 ++++++++---------
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 3d0309777..441d4b9ec 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -276,8 +276,8 @@ struct glyf
     }
 
     /* based on FontTools _g_l_y_f.py::trim */
-    inline bool trim(unsigned int start_offset,
-                     unsigned int *end_offset) const
+    inline bool remove_padding(unsigned int start_offset,
+                               unsigned int *end_offset) const
     {
       static const int FLAG_X_SHORT = 0x02;
       static const int FLAG_Y_SHORT = 0x04;
@@ -294,7 +294,9 @@ struct glyf
       int16_t num_contours = (int16_t) glyph_header.numberOfContours;
 
       if (num_contours < 0)
-        return true; /* no trimming for composites just yet */
+        /* Trimming for composites not implemented.
+         * If removing hints it falls out of that. */
+        return true;
       else if (num_contours > 0)
       {
         unsigned int glyph_len = *end_offset - start_offset;
diff --git a/src/hb-subset-glyf.cc b/src/hb-subset-glyf.cc
index a97e1b76a..696a74de1 100644
--- a/src/hb-subset-glyf.cc
+++ b/src/hb-subset-glyf.cc
@@ -43,12 +43,14 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
   for (unsigned int i = 0; i < glyph_ids.len; i++)
   {
     hb_codepoint_t next_glyph = glyph_ids[i];
-    *(instruction_ranges->push()) = 0;
-    *(instruction_ranges->push()) = 0;
+    unsigned int *instruction_start = instruction_ranges->push();
+    unsigned int *instruction_end = instruction_ranges->push();
+    *instruction_start = 0;
+    *instruction_end = 0;
 
     unsigned int start_offset, end_offset;
     if (unlikely (!(glyf.get_offsets(next_glyph, &start_offset, &end_offset)
-                    && glyf.trim(start_offset, &end_offset))))
+                    && glyf.remove_padding(start_offset, &end_offset))))
     {
       DEBUG_MSG(SUBSET, nullptr, "Invalid gid %d", next_glyph);
       continue;
@@ -56,20 +58,17 @@ _calculate_glyf_and_loca_prime_size (const OT::glyf::accelerator_t &glyf,
     if (end_offset - start_offset < OT::glyf::GlyphHeader::static_size)
       continue; /* 0-length glyph */
 
-    unsigned int instruction_start = 0, instruction_end = 0;
     if (drop_hints)
     {
       if (unlikely (!glyf.get_instruction_offsets(start_offset, end_offset,
-                                                  &instruction_start, &instruction_end)))
+                                                  instruction_start, instruction_end)))
       {
         DEBUG_MSG(SUBSET, nullptr, "Unable to get instruction offsets for %d", next_glyph);
         return false;
       }
-      instruction_ranges->array[i * 2] = instruction_start;
-      instruction_ranges->array[i * 2 + 1] = instruction_end;
     }
 
-    total += end_offset - start_offset - (instruction_end - instruction_start);
+    total += end_offset - start_offset - (*instruction_end - *instruction_start);
     /* round2 so short loca will work */
     total += total % 2;
   }
@@ -156,7 +155,7 @@ _write_glyf_and_loca_prime (hb_subset_plan_t              *plan,
   {
     unsigned int start_offset, end_offset;
     if (unlikely (!(glyf.get_offsets (glyph_ids[i], &start_offset, &end_offset)
-                    && glyf.trim(start_offset, &end_offset))))
+                    && glyf.remove_padding(start_offset, &end_offset))))
       end_offset = start_offset = 0;
     unsigned int instruction_start = instruction_ranges[i * 2];
     unsigned int instruction_end = instruction_ranges[i * 2 + 1];

From 0ad8c663e0b4602e2a413e77a8158bf8a46755d5 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Mon, 26 Feb 2018 12:45:08 +0330
Subject: [PATCH 1326/1326] Remove public API of the branch

---
 src/hb-ot-base.h               |  4 +--
 src/hb-ot-layout-base-table.hh | 20 +++++++-------
 src/hb-ot-layout.cc            | 48 ++++++++++++++++------------------
 3 files changed, 35 insertions(+), 37 deletions(-)

diff --git a/src/hb-ot-base.h b/src/hb-ot-base.h
index 9d82d2289..0437c1689 100644
--- a/src/hb-ot-base.h
+++ b/src/hb-ot-base.h
@@ -48,8 +48,8 @@ HB_BEGIN_DECLS
 
 /* Methods */
 
-HB_EXTERN hb_bool_t
-hb_ot_base_has_data (hb_face_t *face);
+// HB_EXTERN hb_bool_t
+// hb_ot_base_has_data (hb_face_t *face);
 
 HB_END_DECLS
 
diff --git a/src/hb-ot-layout-base-table.hh b/src/hb-ot-layout-base-table.hh
index 169a13f3b..3c3d3ade3 100644
--- a/src/hb-ot-layout-base-table.hh
+++ b/src/hb-ot-layout-base-table.hh
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef HB_OT_BASE_TABLE_HH
-#define HB_OT_BASE_TABLE_HH
+#ifndef HB_OT_LAYOUT_BASE_TABLE_HH
+#define HB_OT_LAYOUT_BASE_TABLE_HH
 
 #include "hb-open-type-private.hh"
 #include "hb-ot-layout-common-private.hh"
@@ -312,7 +312,7 @@ struct BaseScript {
       return (this+defaultMinMax).get_min_value(featureTableTagIndex);
     }
     if (unlikely(baseLangSysIndex >= baseLangSysCount)) return NO_COORD;
-    return baseLangSysRecords[baseLangSysIndex].get_max_value(featureTableTagIndex); 
+    return baseLangSysRecords[baseLangSysIndex].get_max_value(featureTableTagIndex);
   }
 
   inline HBINT16 get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
@@ -401,7 +401,7 @@ struct BaseScriptList {
   }
 
   inline unsigned int get_default_base_tag_index (unsigned int baseScriptIndex) const
-  { 
+  {
     if (unlikely(baseScriptIndex >= baseScriptCount)) return NOT_INDEXED;
     return baseScriptRecords[baseScriptIndex].get_default_base_tag_index();
   }
@@ -449,7 +449,7 @@ struct BaseScriptList {
 
   public:
   DEFINE_SIZE_ARRAY (4, baseScriptRecords);
-  
+
 };
 
 struct BaseTagList
@@ -487,7 +487,7 @@ struct Axis
   }
 
   inline unsigned int get_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
-  { 
+  {
     if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NOT_INDEXED;
     return (this+baseScriptList).get_default_base_tag_index(baseScriptIndex);
   }
@@ -546,7 +546,7 @@ struct BASEFormat1_1
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
       horizAxis.sanitize (c, this) &&
-      vertAxis.sanitize (c, this) && 
+      vertAxis.sanitize (c, this) &&
       itemVarStore.sanitize (c, this));
   }
 
@@ -578,7 +578,7 @@ struct BASEFormat1_0
   }
 
   inline unsigned int get_horiz_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
-  { 
+  {
     if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
     return (this+horizAxis).get_default_base_tag_index_for_script_index(baseScriptIndex);
   }
@@ -598,7 +598,7 @@ struct BASEFormat1_0
   }
 
   inline unsigned int get_vert_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
-  { 
+  {
     if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
     return (this+vertAxis).get_default_base_tag_index_for_script_index(baseScriptIndex);
   }
@@ -796,4 +796,4 @@ struct BASE
 } /* namespace OT */
 
 
-#endif /* HB_OT_BASE_TABLE_HH */
+#endif /* HB_OT_LAYOUT_BASE_TABLE_HH */
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 3a1332122..e02ff115f 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -222,13 +222,13 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   free (layout);
 }
 
-static inline const OT::BASE&
-_get_base (hb_face_t *face)
-{
-  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::BASE);
-  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
-  return *(layout->base.get ());
-}
+// static inline const OT::BASE&
+// _get_base (hb_face_t *face)
+// {
+//   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::BASE);
+//   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+//   return *(layout->base.get ());
+// }
 
 static inline const OT::GDEF&
 _get_gdef (hb_face_t *face)
@@ -1283,21 +1283,19 @@ hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
  * OT::BASE
  */
 
-#if 0
-/**
- * hb_ot_base_has_data:
- * @face: #hb_face_t to test
- *
- * This function allows to verify the presence of an OpenType BASE table on the
- * face.
- *
- * Return value: true if face has a BASE table, false otherwise
- *
- * Since: XXX
- **/
-hb_bool_t
-hb_ot_base_has_data (hb_face_t *face)
-{
-  return &_get_base (face) != &OT::Null(OT::BASE);
-}
-#endif
+// /**
+//  * hb_ot_base_has_data:
+//  * @face: #hb_face_t to test
+//  *
+//  * This function allows to verify the presence of an OpenType BASE table on the
+//  * face.
+//  *
+//  * Return value: true if face has a BASE table, false otherwise
+//  *
+//  * Since: XXX
+//  **/
+// hb_bool_t
+// hb_ot_base_has_data (hb_face_t *face)
+// {
+//   return &_get_base (face) != &OT::Null(OT::BASE);
+// }