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+#
+# Copyright (C) 2002-2003, International Business Machines Corporation and others.
+# All Rights Reserved.
+#
+# file: edit_word.txt
+#
+# ICU Word Break Rules
+# See Unicode Standard Annex #29.
+# These rules are based on Version 4.0.0, dated 2003-04-17
+#
+
+
+
+####################################################################################
+#
+# Character class definitions from TR 29
+#
+####################################################################################
+$Katakana = [[:Script = KATAKANA:] [:name = KATAKANA-HIRAGANA PROLONGED SOUND MARK:]
+ [:name = HALFWIDTH KATAKANA-HIRAGANA PROLONGED SOUND MARK:]
+ [:name = HALFWIDTH KATAKANA VOICED SOUND MARK:]
+ [:name = HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK:]];
+
+$Ideographic = [:Ideographic:];
+$Hangul = [:Script = HANGUL:];
+
+$ALetter = [[:Alphabetic:] [:name= NO-BREAK SPACE:] [:name= HEBREW PUNCTUATION GERESH:]
+ - $Ideographic
+ - $Katakana
+ - $Hangul
+ - [:Script = Thai:]
+ - [:Script = Lao:]
+ - [:Script = Hiragana:]];
+
+$MidLetter = [[:name = APOSTROPHE:] [:name = MIDDLE DOT:] [:name = HEBREW PUNCTUATION GERSHAYIM:]
+ [:name = RIGHT SINGLE QUOTATION MARK:] [:name = HYPHENATION POINT:]];
+
+$MidNum = [[:LineBreak = Infix_Numeric:] - [:name = FULL STOP:]];
+$Numeric = [:LineBreak = Numeric:];
+
+
+$TheZWSP = \u200b;
+
+#
+# Character Class Definitions.
+# The names are those from TR29.
+#
+$CR = \u000d;
+$LF = \u000a;
+$Control = [[[:Zl:] [:Zp:] [:Cc:] [:Cf:]] - $TheZWSP];
+$Extend = [[:Grapheme_Extend = TRUE:]];
+
+
+
+
+####################################################################################
+#
+# Word Break Rules. Definitions and Rules specific to word break begin Here.
+#
+####################################################################################
+
+$Format = [[:Cf:] - $TheZWSP];
+
+
+
+# Rule 3: Treat a grapheme cluster as if it were a single character.
+# Hangul Syllables are easier to deal with here than they are in Grapheme Clusters
+# because we don't need to find the boundaries between adjacent syllables -
+# they won't be word boundaries.
+#
+
+
+#
+# "Extended" definitions. Grapheme Cluster + Format Chars, treated like the base char.
+#
+$ALetterEx = $ALetter $Extend*;
+$NumericEx = $Numeric $Extend*;
+$MidNumEx = $MidNum $Extend*;
+$MidLetterEx = $MidLetter $Extend*;
+$KatakanaEx = $Katakana $Extend*;
+$IdeographicEx= $Ideographic $Extend*;
+$HangulEx = $Hangul $Extend*;
+$FormatEx = $Format $Extend*;
+
+
+#
+# Numbers. Rules 8, 11, 12 form the TR.
+#
+$NumberSequence = $NumericEx ($FormatEx* $MidNumEx? $FormatEx* $NumericEx)*;
+$NumberSequence {100};
+
+#
+# Words. Alpha-numerics. Rule 5, 6, 7, 9, 10
+# - must include at least one letter.
+# - may include both letters and numbers.
+# - may include MideLetter, MidNumber punctuation.
+#
+$LetterSequence = $ALetterEx ($FormatEx* $MidLetterEx? $FormatEx* $ALetterEx)*; # rules #6, #7
+($NumberSequence $FormatEx*)? $LetterSequence ($FormatEx* ($NumberSequence | $LetterSequence))* {200};
+
+# Punctuations by themselves
+[[:P:][:S:]-[:name = FULL STOP:]]*;
+[[:name = FULL STOP:]]*;
+
+#
+# Do not break between Katakana. Rule #13.
+#
+$KatakanaEx ($FormatEx* $KatakanaEx)* {300};
+[:Hiragana:] $Extend* {300};
+
+#
+# Ideographic Characters. Stand by themselves as words.
+# Separated from the "Everything Else" rule, below, only so that they
+# can be tagged with a return value. TODO: is this what we want?
+#
+$IdeographicEx ($FormatEx* $IdeographicEx)* {400};
+$HangulEx ($FormatEx* $HangulEx)* {400};
+
+#
+# Everything Else, with no tag.
+# Non-Control chars combine with $Extend (combining) chars.
+# Controls are do not.
+#
+[^$Control [:Ideographic:]] $Extend*;
+$CR $LF;
+
+#
+# Reverse Rules. Back up over any of the chars that can group together.
+# (Reverse rules do not need to be exact; they can back up too far,
+# but must back up at least enough, and must stop on a boundary.)
+#
+
+# NonStarters are the set of all characters that can appear at the 2nd - nth position of
+# a word. (They may also be the first.) The reverse rule skips over these, until it
+# reaches something that can only be the start (and probably only) char in a "word".
+# A space or punctuation meets the test.
+#
+$NonStarters = [$Numeric $ALetter $Katakana $Ideographic $Hangul [:P:] [:S:] $MidLetter $MidNum $Extend $Format];
+
+#!.*;
+! ($NonStarters* | \n \r) .;
+