Update ICU to 54.1 step 1

source/data/brkitr/word_POSIX.txt

 #
-# Copyright (C) 2002-2013, International Business Machines Corporation 
+# Copyright (C) 2002-2014, International Business Machines Corporation 
 # and others. All Rights Reserved.
 #
 # file:  word_POSIX.txt
 #
 # ICU Word Break Rules, POSIX locale.
 #      See Unicode Standard Annex #29.
 #      These rules are based on UAX #29 Revision 22 for Unicode Version 6.3
 #
 # Note:  Updates to word.txt will usually need to be merged into
 #        word_POSIX.txt also.
@@ skipping 16 matching lines @@
 $Newline            = [\p{Word_Break = Newline}];
 $Extend             = [\p{Word_Break = Extend}];
 $Regional_Indicator = [\p{Word_Break = Regional_Indicator}];
 $Format             = [\p{Word_Break = Format}];
 $Katakana           = [\p{Word_Break = Katakana}];
 $Hebrew_Letter      = [\p{Word_Break = Hebrew_Letter}];
 $ALetter            = [\p{Word_Break = ALetter}];
 $Single_Quote       = [\p{Word_Break = Single_Quote}];
 $Double_Quote       = [\p{Word_Break = Double_Quote}];
 $MidNumLet          = [\p{Word_Break = MidNumLet} - [.]];
-$MidLetter          = [\p{Word_Break = MidLetter}];
+$MidLetter          = [\p{Word_Break = MidLetter} - [\:]];
 $MidNum             = [\p{Word_Break = MidNum} [.]];
 $Numeric            = [\p{Word_Break = Numeric}];
 $ExtendNumLet       = [\p{Word_Break = ExtendNumLet}];
 
 $Han                = [:Han:];
 $Hiragana           = [:Hiragana:];
 
 
 #   Dictionary character set, for triggering language-based break engines. Currently
 #   limited to LineBreak=Complex_Context. Note that this set only works in Unicode
@@ skipping 216 matching lines @@
 ($MidLetterEx | $MidNumLetEx | $Single_QuoteEx) ($ALetterEx | $Hebrew_LetterEx);
 
 # rule 7b
 $Double_QuoteEx $Hebrew_LetterEx;
 
 # rule 11
 ($MidNumEx | $MidNumLetEx | $Single_QuoteEx) $NumericEx;
 
 # For dictionary-based break
 $dictionary $dictionary;