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Issue 845603002: Update ICU to 54.1 step 1 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/icu.git@master
Patch Set: remove unusued directories Created 5 years, 11 months ago
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1 # Copyright (c) 2002-2013 International Business Machines Corporation and 1 # Copyright (c) 2002-2013 International Business Machines Corporation and
2 # others. All Rights Reserved. 2 # others. All Rights Reserved.
3 # 3 #
4 # file: line.txt 4 # file: line.txt
5 # 5 #
6 # Line Breaking Rules 6 # Line Breaking Rules
7 # Implement default line breaking as defined by 7 # Implement default line breaking as defined by
8 # Unicode Standard Annex #14 Revision 29 for Unicode 6.2 8 # Unicode Standard Annex #14 Revision 29 for Unicode 6.2
9 # http://www.unicode.org/reports/tr14/ 9 # http://www.unicode.org/reports/tr14/
10 # 10 #
11 # TODO: Rule LB 8 remains as it was in Unicode 5.2 11 # TODO: Rule LB 8 remains as it was in Unicode 5.2
12 # This is only because of a limitation of ICU break engine implementatio n, 12 # This is only because of a limitation of ICU break engine implementatio n,
13 # not because the older behavior is desirable. 13 # not because the older behavior is desirable.
14 14
15 # CHROME: 1. Use line_ja.txt to apply small kana rules in all locales. 15 #
16 # 2. Adjust CL, OP, and IS to handle 'comma-variants' consistently. 16 # Character Classes defined by TR 14.
17 #
17 18
18 !!chain; 19 !!chain;
19 !!LBCMNoChain; 20 !!LBCMNoChain;
20 21
21 22
22 !!lookAheadHardBreak; 23 !!lookAheadHardBreak;
23 # 24 #
24 # !!lookAheadHardBreak Described here because it is (as yet) undocumented el sewhere 25 # !!lookAheadHardBreak Described here because it is (as yet) undocumented el sewhere
25 # and only used for the line break rules. 26 # and only used for the line break rules.
26 # 27 #
(...skipping 22 matching lines...) Expand all
49 # 50 #
50 # !!lookAheadHardBreak forces the run time state machine to 51 # !!lookAheadHardBreak forces the run time state machine to
51 # stop immediately when a look ahead rule ( '/' operator) matches, 52 # stop immediately when a look ahead rule ( '/' operator) matches,
52 # and set the match position to that of the look-ahead operator, 53 # and set the match position to that of the look-ahead operator,
53 # no matter what other rules may be in play at the time. 54 # no matter what other rules may be in play at the time.
54 # 55 #
55 # See rule LB 19 for an example. 56 # See rule LB 19 for an example.
56 # 57 #
57 58
58 $AI = [:LineBreak = Ambiguous:]; 59 $AI = [:LineBreak = Ambiguous:];
59 $AL = [[:LineBreak = Alphabetic:] - [\u23B4\u23B5]]; 60 $AL = [:LineBreak = Alphabetic:];
60 $BA = [:LineBreak = Break_After:]; 61 $BA = [:LineBreak = Break_After:];
61 $BB = [:LineBreak = Break_Before:]; 62 $BB = [:LineBreak = Break_Before:];
62 $BK = [:LineBreak = Mandatory_Break:]; 63 $BK = [:LineBreak = Mandatory_Break:];
63 $B2 = [:LineBreak = Break_Both:]; 64 $B2 = [:LineBreak = Break_Both:];
64 $CB = [:LineBreak = Contingent_Break:]; 65 $CB = [:LineBreak = Contingent_Break:];
65 $CJ = [:LineBreak = Conditional_Japanese_Starter:]; 66 $CJ = [:LineBreak = Conditional_Japanese_Starter:];
66 $CL = [[:LineBreak = Close_Punctuation:] [\uFE51\uFE10\u23B5]]; 67 $CL = [:LineBreak = Close_Punctuation:];
67 $CM = [:LineBreak = Combining_Mark:]; 68 $CM = [:LineBreak = Combining_Mark:];
68 $CP = [:LineBreak = Close_Parenthesis:]; 69 $CP = [:LineBreak = Close_Parenthesis:];
69 $CR = [:LineBreak = Carriage_Return:]; 70 $CR = [:LineBreak = Carriage_Return:];
70 $EX = [:LineBreak = Exclamation:]; 71 $EX = [:LineBreak = Exclamation:];
71 $GL = [:LineBreak = Glue:]; 72 $GL = [:LineBreak = Glue:];
72 $HL = [:LineBreak = Hebrew_Letter:]; 73 $HL = [:LineBreak = Hebrew_Letter:];
73 $HY = [:LineBreak = Hyphen:]; 74 $HY = [:LineBreak = Hyphen:];
74 $H2 = [:LineBreak = H2:]; 75 $H2 = [:LineBreak = H2:];
75 $H3 = [:LineBreak = H3:]; 76 $H3 = [:LineBreak = H3:];
76 $ID = [[[:LineBreak = Ideographic:] $CJ] - [\uFE51]]; 77 $ID = [:LineBreak = Ideographic:];
77 $IN = [:LineBreak = Inseperable:]; 78 $IN = [:LineBreak = Inseperable:];
78 $IS = [[:LineBreak = Infix_Numeric:] - [\uFE10]]; 79 $IS = [:LineBreak = Infix_Numeric:];
79 $JL = [:LineBreak = JL:]; 80 $JL = [:LineBreak = JL:];
80 $JV = [:LineBreak = JV:]; 81 $JV = [:LineBreak = JV:];
81 $JT = [:LineBreak = JT:]; 82 $JT = [:LineBreak = JT:];
82 $LF = [:LineBreak = Line_Feed:]; 83 $LF = [:LineBreak = Line_Feed:];
83 $NL = [:LineBreak = Next_Line:]; 84 $NL = [:LineBreak = Next_Line:];
84 $NS = [:LineBreak = Nonstarter:]; 85 $NS = [[:LineBreak = Nonstarter:] $CJ];
85 $NU = [:LineBreak = Numeric:]; 86 $NU = [:LineBreak = Numeric:];
86 $OP = [[:LineBreak = Open_Punctuation:] \u23B4]; 87 $OP = [:LineBreak = Open_Punctuation:];
87 $PO = [:LineBreak = Postfix_Numeric:]; 88 $PO = [:LineBreak = Postfix_Numeric:];
88 $PR = [:LineBreak = Prefix_Numeric:]; 89 $PR = [:LineBreak = Prefix_Numeric:];
89 $QU = [:LineBreak = Quotation:]; 90 $QU = [:LineBreak = Quotation:];
90 $RI = [:LineBreak = Regional_Indicator:]; 91 $RI = [:LineBreak = Regional_Indicator:];
91 $SA = [:LineBreak = Complex_Context:]; 92 $SA = [:LineBreak = Complex_Context:];
92 $SG = [:LineBreak = Surrogate:]; 93 $SG = [:LineBreak = Surrogate:];
93 $SP = [:LineBreak = Space:]; 94 $SP = [:LineBreak = Space:];
94 $SY = [:LineBreak = Break_Symbols:]; 95 $SY = [:LineBreak = Break_Symbols:];
95 $WJ = [:LineBreak = Word_Joiner:]; 96 $WJ = [:LineBreak = Word_Joiner:];
96 $XX = [:LineBreak = Unknown:]; 97 $XX = [:LineBreak = Unknown:];
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664 # of context. 665 # of context.
665 # 666 #
666 # It might be slightly more efficient to have specific rules 667 # It might be slightly more efficient to have specific rules
667 # instead of one generic one, but only if we could 668 # instead of one generic one, but only if we could
668 # turn off rule chaining. We don't want to move more 669 # turn off rule chaining. We don't want to move more
669 # than necessary. 670 # than necessary.
670 # 671 #
671 [$CM $OP $QU $CL $CP $B2 $PR $HY $BA $SP $dictionary]+ [^$CM $OP $QU $CL $CP $B2 $PR $HY $BA $dictionary]; 672 [$CM $OP $QU $CL $CP $B2 $PR $HY $BA $SP $dictionary]+ [^$CM $OP $QU $CL $CP $B2 $PR $HY $BA $dictionary];
672 $dictionary $dictionary; 673 $dictionary $dictionary;
673 674
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