f4fe6df6aa
Restores abbreviation handling to spell checking.
Regression from commit 44699b3de3
"tdf#49885 BreakIterator rule upgrades".
Change-Id: I2883f984952aa3e54cfe800590a16c0de74ae0e4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/177506
Reviewed-by: Jonathan Clark <jonathan@libreoffice.org>
Tested-by: Jenkins
219 lines
7.7 KiB
Text
219 lines
7.7 KiB
Text
#
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# Copyright (C) 2016 and later: Unicode, Inc. and others.
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# License & terms of use: http://www.unicode.org/copyright.html
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# Copyright (C) 2002-2016, International Business Machines Corporation
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# and others. All Rights Reserved.
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#
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# file: word.txt
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#
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# ICU Word Break Rules
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# See Unicode Standard Annex #29.
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# These rules are based on UAX #29 Revision 34 for Unicode Version 12.0
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#
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# Note: Updates to word.txt will usually need to be merged into
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# word_POSIX.txt also.
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##############################################################################
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#
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# Character class definitions from TR 29
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#
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##############################################################################
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### BEGIN CUSTOMIZATION
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### This file contains LibreOffice-specific rule customizations.
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###
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### To aid future maintainability:
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### - The change location should be bracketed by comments of this form.
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### - The original rule should be commented out, and the modified rule placed alongside.
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### - By doing this, maintainers can more easily compare to an upstream baseline.
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###
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### END CUSTOMIZATION
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!!chain;
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!!quoted_literals_only;
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#
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# Character Class Definitions.
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#
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$Han = [:Han:];
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$CR = [\p{Word_Break = CR}];
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$LF = [\p{Word_Break = LF}];
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$Newline = [\p{Word_Break = Newline}];
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$Extend = [\p{Word_Break = Extend}-$Han];
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$ZWJ = [\p{Word_Break = ZWJ}];
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$Regional_Indicator = [\p{Word_Break = Regional_Indicator}];
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$Format = [\p{Word_Break = Format}];
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$Katakana = [\p{Word_Break = Katakana}];
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$Hebrew_Letter = [\p{Word_Break = Hebrew_Letter}];
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$ALetter = [\p{Word_Break = ALetter}];
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$Single_Quote = [\p{Word_Break = Single_Quote}];
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$MidNumLet = [\p{Word_Break = MidNumLet}];
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$MidNum = [\p{Word_Break = MidNum}];
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$Numeric = [\p{Word_Break = Numeric}];
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$ExtendNumLet = [\p{Word_Break = ExtendNumLet}-[:name = NARROW NO-BREAK SPACE:]];
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$WSegSpace = [\p{Word_Break = WSegSpace}];
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$Extended_Pict = [\p{Extended_Pictographic}];
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### BEGIN CUSTOMIZATION
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### Unknown issue number: Dictionary words can contain hyphens
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### tdf#49885: Sync custom BreakIterator rules with ICU originals
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### - ICU is now more permissive about punctuation inside words.
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### - For compatibility, exclude certain characters that were previously excluded.
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$IncludedML = [:name = HYPHEN-MINUS:];
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$ExcludedML = [[:name = COLON:]
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[:name = GREEK ANO TELEIA:]
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[:name = PRESENTATION FORM FOR VERTICAL COLON:]
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[:name = SMALL COLON:]
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[:name = FULLWIDTH COLON:]];
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### tdf#162514: For spell checking, abbreviations may end with a period.
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$PostPeriod = [:name = FULL STOP:];
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# $MidLetter = [\p{Word_Break = MidLetter}];
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$MidLetter = [[\p{Word_Break = MidLetter}]-$ExcludedML $IncludedML];
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### tdf#46950: Right double-quotes are also used as substitutes for Hebrew gershaim
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# $Double_Quote = [\p{Word_Break = Double_Quote}];
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$Double_Quote = [[\p{Word_Break = Double_Quote}][:name= RIGHT DOUBLE QUOTATION MARK:]];
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### END CUSTOMIZATION
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$Hiragana = [:Hiragana:];
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$Ideographic = [\p{Ideographic}];
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# Dictionary character set, for triggering language-based break engines. Currently
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# limited to LineBreak=Complex_Context. Note that this set only works in Unicode
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# 5.0 or later as the definition of Complex_Context was corrected to include all
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# characters requiring dictionary break.
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$Control = [\p{Grapheme_Cluster_Break = Control}];
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$HangulSyllable = [\uac00-\ud7a3];
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$ComplexContext = [:LineBreak = Complex_Context:];
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$KanaKanji = [$Han $Hiragana $Katakana];
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$dictionaryCJK = [$KanaKanji $HangulSyllable];
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$dictionary = [$ComplexContext $dictionaryCJK];
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# TODO: check if handling of katakana in dictionary makes rules incorrect/void
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# leave CJK scripts out of ALetterPlus
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$ALetterPlus = [$ALetter-$dictionaryCJK [$ComplexContext-$Extend-$Control]];
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## -------------------------------------------------
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# Rule 3 - CR x LF
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#
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$CR $LF;
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# Rule 3c Do not break within emoji zwj sequences.
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# ZWJ × \p{Extended_Pictographic}. Precedes WB4, so no intervening Extend chars allowed.
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#
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$ZWJ $Extended_Pict;
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# Rule 3d - Keep horizontal whitespace together.
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#
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$WSegSpace $WSegSpace;
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# Rule 4 - ignore Format and Extend characters, except when they appear at the beginning
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# of a region of Text.
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$ExFm = [$Extend $Format $ZWJ];
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^$ExFm+; # This rule fires only when there are format or extend characters at the
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# start of text, or immediately following another boundary. It groups them, in
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# the event there are more than one.
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[^$CR $LF $Newline $ExFm] $ExFm*; # This rule rule attaches trailing format/extends to words,
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# with no special rule status value.
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$Numeric $ExFm* {100}; # This group of rules also attach trailing format/extends, but
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$ALetterPlus $ExFm* {200}; # with rule status set based on the word's final base character.
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$HangulSyllable {200};
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$Hebrew_Letter $ExFm* {200};
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$Katakana $ExFm* {400}; # note: these status values override those from rule 5
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$Hiragana $ExFm* {400}; # by virtue of being numerically larger.
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$Ideographic $ExFm* {400}; #
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#
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# rule 5
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# Do not break between most letters.
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#
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### BEGIN CUSTOMIZATION
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### tdf#162514: For spell checking, abbreviations may end with a period.
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# ($ALetterPlus | $Hebrew_Letter) $ExFm* ($ALetterPlus | $Hebrew_Letter);
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($ALetterPlus | $Hebrew_Letter) $ExFm* ($ALetterPlus | $Hebrew_Letter) ($PostPeriod)?;
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### END CUSTOMIZATION
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# rule 6 and 7
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### BEGIN CUSTOMIZATION
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### tdf#162514: For spell checking, abbreviations may end with a period.
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# ($ALetterPlus | $Hebrew_Letter) $ExFm* ($MidLetter | $MidNumLet | $Single_Quote) $ExFm* ($ALetterPlus | $Hebrew_Letter) {200};
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($ALetterPlus | $Hebrew_Letter) $ExFm* ($MidLetter | $MidNumLet | $Single_Quote) $ExFm* ($ALetterPlus | $Hebrew_Letter) ($PostPeriod)? {200};
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### END CUSTOMIZATION
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# rule 7a
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$Hebrew_Letter $ExFm* $Single_Quote {200};
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# rule 7b and 7c
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$Hebrew_Letter $ExFm* $Double_Quote $ExFm* $Hebrew_Letter;
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# rule 8
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$Numeric $ExFm* $Numeric;
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# rule 9
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($ALetterPlus | $Hebrew_Letter) $ExFm* $Numeric;
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# rule 10
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$Numeric $ExFm* ($ALetterPlus | $Hebrew_Letter);
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# rule 11 and 12
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$Numeric $ExFm* ($MidNum | $MidNumLet | $Single_Quote) $ExFm* $Numeric;
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# rule 13
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# to be consistent with $KanaKanji $KanaKanhi, changed
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# from 300 to 400.
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# See also TestRuleStatus in intltest/rbbiapts.cpp
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$Katakana $ExFm* $Katakana {400};
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# rule 13a/b
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$ALetterPlus $ExFm* $ExtendNumLet {200}; # (13a)
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$Hebrew_Letter $ExFm* $ExtendNumLet {200}; # (13a)
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$Numeric $ExFm* $ExtendNumLet {100}; # (13a)
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$Katakana $ExFm* $ExtendNumLet {400}; # (13a)
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$ExtendNumLet $ExFm* $ExtendNumLet {200}; # (13a)
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$ExtendNumLet $ExFm* $ALetterPlus {200}; # (13b)
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$ExtendNumLet $ExFm* $Hebrew_Letter {200}; # (13b)
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$ExtendNumLet $ExFm* $Numeric {100}; # (13b)
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$ExtendNumLet $ExFm* $Katakana {400}; # (13b)
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# rules 15 - 17
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# Pairs of Regional Indicators stay together.
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# With incoming rule chaining disabled by ^, this rule will match exactly two of them.
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# No other rule begins with a Regional_Indicator, so chaining cannot extend the match.
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#
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^$Regional_Indicator $ExFm* $Regional_Indicator;
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# special handling for CJK characters: chain for later dictionary segmentation
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$HangulSyllable $HangulSyllable {200};
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$KanaKanji $KanaKanji {400}; # different rule status if both kana and kanji found
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# Rule 999
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# Match a single code point if no other rule applies.
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.;
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