201 lines
5.8 KiB
C
201 lines
5.8 KiB
C
/*
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*******************************************************************************
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*
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* Copyright (C) 2002, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: uprops.h
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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: 2002feb24
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* created by: Markus W. Scherer
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*
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* Constants for mostly non-core Unicode character properties
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* stored in uprops.dat.
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*/
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#ifndef __UPROPS_H__
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#define __UPROPS_H__
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/* indexes[] entries */
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enum {
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UPROPS_PROPS32_INDEX,
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UPROPS_EXCEPTIONS_INDEX,
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UPROPS_EXCEPTIONS_TOP_INDEX,
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UPROPS_ADDITIONAL_TRIE_INDEX,
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UPROPS_ADDITIONAL_VECTORS_INDEX,
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UPROPS_ADDITIONAL_VECTORS_COLUMNS_INDEX,
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UPROPS_RESERVED_INDEX,
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UPROPS_INDEX_COUNT=16
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};
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/* definitions for the main properties words */
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enum {
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/* general category shift==0 0 (5 bits) */
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UPROPS_EXCEPTION_SHIFT=5, /* 5 (1 bit) */
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UPROPS_BIDI_SHIFT, /* 6 (5 bits) */
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UPROPS_MIRROR_SHIFT=UPROPS_BIDI_SHIFT+5, /* 11 (1 bit) */
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UPROPS_NUMERIC_TYPE_SHIFT, /* 12 (3 bits) */
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UPROPS_RESERVED_SHIFT=UPROPS_NUMERIC_TYPE_SHIFT+3, /* 15 (5 bits) */
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UPROPS_VALUE_SHIFT=20, /* 20 */
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UPROPS_EXCEPTION_BIT=1UL<<UPROPS_EXCEPTION_SHIFT,
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UPROPS_VALUE_BITS=32-UPROPS_VALUE_SHIFT,
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UPROPS_MIN_VALUE=-(1L<<(UPROPS_VALUE_BITS-1)),
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UPROPS_MAX_VALUE=(1L<<(UPROPS_VALUE_BITS-1))-1,
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UPROPS_MAX_EXCEPTIONS_COUNT=1L<<UPROPS_VALUE_BITS
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};
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/* number of properties vector words */
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#define UPROPS_VECTOR_WORDS 2
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/*
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* Properties in vector word 0
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* Bits
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* 31..24 DerivedAge version major/minor one nibble each
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* 23..18 reserved
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* 17..15 East Asian Width
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* 14.. 7 UBlockCode
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* 6.. 0 UScriptCode
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*/
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/* derived age: one nibble each for major and minor version numbers */
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#define UPROPS_AGE_MASK 0xff000000
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#define UPROPS_AGE_SHIFT 24
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#define UPROPS_EA_WIDTH_MASK 0x00038000
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#define UPROPS_EA_WIDTH_SHIFT 15
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#define UPROPS_BLOCK_MASK 0x00007f80
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#define UPROPS_BLOCK_SHIFT 7
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#define UPROPS_SCRIPT_MASK 0x0000007f
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/*
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* Properties in vector word 1
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* Each bit encodes one binary property.
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* The following constants represent the bit number, use 1<<UPROPS_XYZ.
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* UPROPS_BINARY_1_TOP<=32!
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*
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* Keep this list of property enums in sync with
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* propListNames[] in icu/source/tools/genprops/props2.c!
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*/
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enum {
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UPROPS_WHITE_SPACE,
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UPROPS_BIDI_CONTROL,
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UPROPS_JOIN_CONTROL,
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UPROPS_DASH,
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UPROPS_HYPHEN,
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UPROPS_QUOTATION_MARK,
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UPROPS_TERMINAL_PUNCTUATION,
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UPROPS_OTHER_MATH,
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UPROPS_HEX_DIGIT,
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UPROPS_ASCII_HEX_DIGIT,
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UPROPS_OTHER_ALPHABETIC,
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UPROPS_IDEOGRAPHIC,
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UPROPS_DIACRITIC,
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UPROPS_EXTENDER,
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UPROPS_OTHER_LOWERCASE,
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UPROPS_OTHER_UPPERCASE,
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UPROPS_NONCHARACTER_CODE_POINT,
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UPROPS_OTHER_GRAPHEME_EXTEND,
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UPROPS_GRAPHEME_LINK,
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UPROPS_IDS_BINARY_OPERATOR,
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UPROPS_IDS_TRINARY_OPERATOR,
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UPROPS_RADICAL,
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UPROPS_UNIFIED_IDEOGRAPH,
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UPROPS_OTHER_DEFAULT_IGNORABLE_CODE_POINT,
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UPROPS_DEPRECATED,
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UPROPS_SOFT_DOTTED,
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UPROPS_LOGICAL_ORDER_EXCEPTION,
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/* derivedPropListNames[] in genprops/props2.c, not easily derivable */
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UPROPS_XID_START,
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UPROPS_XID_CONTINUE,
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UPROPS_BINARY_1_TOP
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};
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/**
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* Get a properties vector word for a code point.
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* Implemented in uchar.c for uprops.c.
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* @return 0 if no data or illegal argument
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*/
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U_CFUNC uint32_t
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u_getUnicodeProperties(UChar32 c, int32_t column);
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/* ### TODO check with PropertyValueAliases.txt and move to uchar.h, @draft ICU 2.x */
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/**
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* East Asian Widths constants.
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* Keep in sync with names list in genprops/props2.c.
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*/
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enum UEAWidthCode {
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U_EA_NEUTRAL,
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U_EA_AMBIGUOUS,
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U_EA_HALF_WIDTH,
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U_EA_FULL_WIDTH,
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U_EA_NARROW,
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U_EA_WIDE,
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U_EA_TOP
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};
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typedef enum UEAWidthCode UEAWidthCode;
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/**
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* Unicode property names and property value names are compared
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* "loosely". Property[Value]Aliases.txt say:
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* "With loose matching of property names, the case distinctions, whitespace,
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* and '_' are ignored."
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*
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* This function does just that, for ASCII (char *) name strings.
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* It is almost identical to ucnv_compareNames() but also ignores
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* ASCII White_Space characters (U+0009..U+000d).
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*
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* @internal
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*/
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U_CAPI int32_t U_EXPORT2
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uprv_comparePropertyNames(const char *name1, const char *name2);
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/** Turn a bit index into a bit flag. @internal */
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#define FLAG(n) ((uint32_t)1<<(n))
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/** Flags for general categories in the order of UCharCategory. @internal */
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#define _Cn FLAG(U_GENERAL_OTHER_TYPES)
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#define _Lu FLAG(U_UPPERCASE_LETTER)
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#define _Ll FLAG(U_LOWERCASE_LETTER)
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#define _Lt FLAG(U_TITLECASE_LETTER)
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#define _Lm FLAG(U_MODIFIER_LETTER)
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#define _Lo FLAG(U_OTHER_LETTER)
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#define _Mn FLAG(U_NON_SPACING_MARK)
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#define _Me FLAG(U_ENCLOSING_MARK)
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#define _Mc FLAG(U_COMBINING_SPACING_MARK)
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#define _Nd FLAG(U_DECIMAL_DIGIT_NUMBER)
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#define _Nl FLAG(U_LETTER_NUMBER)
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#define _No FLAG(U_OTHER_NUMBER)
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#define _Zs FLAG(U_SPACE_SEPARATOR)
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#define _Zl FLAG(U_LINE_SEPARATOR)
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#define _Zp FLAG(U_PARAGRAPH_SEPARATOR)
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#define _Cc FLAG(U_CONTROL_CHAR)
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#define _Cf FLAG(U_FORMAT_CHAR)
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#define _Co FLAG(U_PRIVATE_USE_CHAR)
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#define _Cs FLAG(U_SURROGATE)
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#define _Pd FLAG(U_DASH_PUNCTUATION)
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#define _Ps FLAG(U_START_PUNCTUATION)
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#define _Pe FLAG(U_END_PUNCTUATION)
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#define _Pc FLAG(U_CONNECTOR_PUNCTUATION)
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#define _Po FLAG(U_OTHER_PUNCTUATION)
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#define _Sm FLAG(U_MATH_SYMBOL)
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#define _Sc FLAG(U_CURRENCY_SYMBOL)
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#define _Sk FLAG(U_MODIFIER_SYMBOL)
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#define _So FLAG(U_OTHER_SYMBOL)
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#define _Pi FLAG(U_INITIAL_PUNCTUATION)
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#define _Pf FLAG(U_FINAL_PUNCTUATION)
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#endif
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