236 lines
7.0 KiB
Plaintext
236 lines
7.0 KiB
Plaintext
* Copyright (C) 2004-2006, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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* file name: changes.txt
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2004may06
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* created by: Markus W. Scherer
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*
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* change log for Unicode updates
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---------------------------------------------------------------------------- ***
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Unicode 5.0 update
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*** related Jitterbugs
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5084 RFE: Update to Unicode 5.0
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*** data files & enums & parser code
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* file preparation
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- ucdstrip:
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DerivedCoreProperties.txt
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DerivedNormalizationProps.txt
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NormalizationTest.txt
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PropList.txt
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Scripts.txt
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GraphemeBreakProperty.txt
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SentenceBreakProperty.txt
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WordBreakProperty.txt
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- ucdstrip and ucdmerge:
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EastAsianWidth.txt
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LineBreak.txt
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* update FractionalUCA.txt and UCARules.txt with new canonical closure
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* genpname
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- run preparse.pl
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+ make sure that data.h is writable
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+ perl preparse.pl \cvs\oss\icu > out.txt
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* uchar.h & uscript.h & uprops.h & uprops.c & genprops
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- new block & script values
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+ script values already added in ICU 3.6 because all of ISO 15924 is now covered
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* build Unicode data source code for hardcoding core data
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C:\cvs\oss\icu\source\data>NMAKE /f makedata.mak ICUMAKE=\cvs\oss\icu\source\data\ CFG=debug uni-core-data
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ICU data make path is \cvs\oss\icu\source\data\
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ICU root path is \cvs\oss\icu
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Information: cannot find "ucmlocal.mk". Not building user-additional converter files.
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[etc.]
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Creating data file for Unicode Character Properties
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Creating data file for Unicode Case Mapping Properties
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Creating data file for Unicode BiDi/Shaping Properties
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Creating data file for Unicode Normalization
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Unicode .icu files built to "\cvs\oss\icu\source\data\out\build\icudt35l"
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Unicode .c source files built to "\cvs\oss\icu\source\data\out\tmp"
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- copy the .c source files to C:\cvs\oss\icu\source\common
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and rebuild the common library
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*** Unicode version numbers
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- makedata.mak
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- uchar.h
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- configure.in
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---------------------------------------------------------------------------- ***
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Unicode 4.1 update
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*** related Jitterbugs
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4332 RFE: Update to Unicode 4.1
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4157 RBBI, TR29 4.1 updates
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*** data files & enums & parser code
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* file preparation
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- ucdstrip:
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DerivedCoreProperties.txt
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DerivedNormalizationProps.txt
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NormalizationTest.txt
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GraphemeBreakProperty.txt
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SentenceBreakProperty.txt
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WordBreakProperty.txt
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- ucdstrip and ucdmerge:
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EastAsianWidth.txt
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LineBreak.txt
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* add new files to the repository
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GraphemeBreakProperty.txt
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SentenceBreakProperty.txt
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WordBreakProperty.txt
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* update FractionalUCA.txt and UCARules.txt with new canonical closure
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* genpname
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- handle new enumerated properties in sub read_uchar
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- run preparse.pl
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* uchar.h & uscript.h & uprops.h & uprops.c & genprops
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- new binary properties
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+ Pattern_Syntax
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+ Pattern_White_Space
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- new enumerated properties
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+ Grapheme_Cluster_Break
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+ Sentence_Break
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+ Word_Break
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- new block & script & line break values
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* gencase
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- case-ignorable changes
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see http://www.unicode.org/versions/Unicode4.1.0/#CaseMods
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now: (D47a) Word_Break=MidLetter or Mn, Me, Cf, Lm, Sk
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*** Unicode version numbers
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- makedata.mak
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- uchar.h
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- configure.in
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*** tests
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- verify that u_charMirror() round-trips
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- test all new properties and some new values of old properties
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*** other code
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* hardcoded Unihan range end/limit
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- Unihan range end moves from 9FA5 to 9FBB
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search for both 9FA5 (end) and 9FA6 (limit) (regex 9FA[56], case-insensitive)
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+ do not modify BOCU/BOCSU code because that would change the encoding
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and break binary compatibility!
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+ similarly, do not change the GB 18030 range data (ucnvmbcs.c),
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NamePrepProfile.txt
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+ ignore trietest.c: test data is arbitrary
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+ ignore tstnorm.cpp: test optimization, not important
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+ ignore collation: 9FA[56] only appears in comments; swapCJK() uses the whole block up to 9FFF
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+ do change line_th.txt and word_th.txt
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by replacing hardcoded ranges with the new property values
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+ do change gennames.c
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source\data\brkitr\line_th.txt(229): \u33E0-\u33FE \u3400-\u4DB5 \u4E00-\u9FA5 \uA000-\uA48C \uA490-\uA4C6
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source\data\brkitr\word_th.txt(23): \u33E0-\u33FE \u3400-\u4DB5 \u4E00-\u9FA5 \uA000-\uA48C \uA490-\uA4C6
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source\tools\gennames\gennames.c(971): 0x4e00, 0x9fa5,
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* case mappings
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- compare new special casing context conditions with previous ones
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see http://www.unicode.org/versions/Unicode4.1.0/#CaseMods
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* genpname
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- consider storing only the short name if it is the same as the long name
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*** other reviews
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- UAX #29 changes (grapheme/word/sentence breaks)
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- UAX #14 changes (line breaks)
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- Pattern_Syntax & Pattern_White_Space
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---------------------------------------------------------------------------- ***
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Unicode 4.0.1 update
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*** related Jitterbugs
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3170 RFE: Update to Unicode 4.0.1
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3171 Add new Unicode 4.0.1 properties
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3520 use Unicode 4.0.1 updates for break iteration
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*** data files & enums & parser code
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* file preparation
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- ucdstrip: DerivedNormalizationProps.txt, NormalizationTest.txt, DerivedCoreProperties.txt
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- ucdstrip and ucdmerge: EastAsianWidth.txt, LineBreak.txt
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* file fixes
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- fix UnicodeData.txt general categories of Ethiopic digits Nd->No
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according to PRI #26
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http://www.unicode.org/review/resolved-pri.html#pri26
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- undone again because no corrigendum in sight;
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instead modified tests to not check consistency on this for Unicode 4.0.1
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* ucdterms.txt
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- update from http://www.unicode.org/copyright.html
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formatted for plain text
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* uchar.h & uprops.h & uprops.c & genprops
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- add UBLOCK_CYRILLIC_SUPPLEMENT because the block is renamed
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- add U_LB_INSEPARABLE due to a spelling fix
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+ put short name comment only on line with new constant
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for genpname perl script parser
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- new binary properties
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+ STerm
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+ Variation_Selector
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* genpname
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- fix genpname perl script so that it doesn't choke on more than 2 names per property value
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- perl script: correctly calculate the maximum number of fields per row
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* uscript.h
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- new script code Hrkt=Katakana_Or_Hiragana
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* gennorm.c track changes in DerivedNormalizationProps.txt
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- "FNC" -> "FC_NFKC"
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- single field "NFD_NO" -> two fields "NFD_QC; N" etc.
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* genprops/props2.c track changes in DerivedNumericValues.txt
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- changed from 3 columns to 2, dropping the numeric type
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+ assume that the type is always numeric for Han characters,
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and that only those are added in addition to what UnicodeData.txt lists
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*** Unicode version numbers
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- makedata.mak
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- uchar.h
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- configure.in
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*** tests
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- update test of default bidi classes according to PRI #28
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/tsutil/cucdtst/TestUnicodeData
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http://www.unicode.org/review/resolved-pri.html#pri28
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- bidi tests: change exemplar character for ES depending on Unicode version
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- change hardcoded expected property values where they change
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*** other code
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* name matching
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- read UCD.html
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* scripts
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- use new Hrkt=Katakana_Or_Hiragana
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* ZWJ & ZWNJ
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- are now part of combining character sequences
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- break iteration used to assume that LB classes did not overlap; now they do for ZWJ & ZWNJ
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