72 lines
1.7 KiB
Plaintext
72 lines
1.7 KiB
Plaintext
#
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# Copyright (C) 2002-2011, International Business Machines Corporation and others.
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# All Rights Reserved.
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#
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# file: char.txt
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#
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# ICU Character Break Rules, also known as Grapheme Cluster Boundaries
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# See Unicode Standard Annex #29.
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# These rules are based on UAX #29 Revision 19 for Unicode Version 6.1
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#
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#
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# Character Class Definitions.
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#
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$CR = [\p{Grapheme_Cluster_Break = CR}];
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$LF = [\p{Grapheme_Cluster_Break = LF}];
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$Control = [\p{Grapheme_Cluster_Break = Control}];
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# TODO: Restore if the Prepend set becomes non-empty again: $Prepend = [\p{Grapheme_Cluster_Break = Prepend}];
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$Extend = [\p{Grapheme_Cluster_Break = Extend}];
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$SpacingMark = [\p{Grapheme_Cluster_Break = SpacingMark}];
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#
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# Korean Syllable Definitions
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#
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$L = [\p{Grapheme_Cluster_Break = L}];
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$V = [\p{Grapheme_Cluster_Break = V}];
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$T = [\p{Grapheme_Cluster_Break = T}];
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$LV = [\p{Grapheme_Cluster_Break = LV}];
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$LVT = [\p{Grapheme_Cluster_Break = LVT}];
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## -------------------------------------------------
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!!chain;
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!!forward;
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$CR $LF;
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$L ($L | $V | $LV | $LVT);
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($LV | $V) ($V | $T);
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($LVT | $T) $T;
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[^$Control $CR $LF] $Extend;
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[^$Control $CR $LF] $SpacingMark;
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# TODO: Restore if the Prepend set becomes non-empty again: $Prepend [^$Control $CR $LF];
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## -------------------------------------------------
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!!reverse;
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$LF $CR;
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($L | $V | $LV | $LVT) $L;
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($V | $T) ($LV | $V);
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$T ($LVT | $T);
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$Extend [^$Control $CR $LF];
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$SpacingMark [^$Control $CR $LF];
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# TODO: Restore if the Prepend set becomes non-empty again: [^$Control $CR $LF] $Prepend;
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## -------------------------------------------------
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!!safe_reverse;
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## -------------------------------------------------
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!!safe_forward;
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