nobu	2014-10-06 12:08:13 +0900 (Mon, 06 Oct 2014)

  New Revision: 47814

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=47814

  Log:
    unicode_norm_gen.rb: us-ascii
    
    * tool/unicode_norm_gen.rb (Integer#to_UTF8): escape non-ascii
      code.

  Modified files:
    trunk/tool/unicode_norm_gen.rb
Index: tool/unicode_norm_gen.rb
===================================================================
--- tool/unicode_norm_gen.rb	(revision 47813)
+++ tool/unicode_norm_gen.rb	(revision 47814)
@@ -14,10 +14,10 @@ class Integer https://github.com/ruby/ruby/blob/trunk/tool/unicode_norm_gen.rb#L14
   def to_UTF8() # convert to string, taking legibility into account
     if self>0xFFFF
       "\\u{#{to_s(16).upcase}}"
-    elsif CombiningClass[self] or self=='\\'.ord or self=='"'.ord
+    elsif self>0x7f
       "\\u#{to_s(16).upcase.rjust(4, '0')}"
     else
-      chr Encoding::UTF_8
+      chr.sub(/[\\\"]/, '\\\&')
     end
   end
 end
@@ -136,7 +136,7 @@ end.line_slice "\n    " https://github.com/ruby/ruby/blob/trunk/tool/unicode_norm_gen.rb#L136
 
 # generate normalization tables file
 open("#{OuputDataDir}/normalize_tables.rb", "w").print <<MAPPING_TABLE_FILE_END
-# coding: utf-8
+# coding: us-ascii
 
 # automatically generated by tool/unicode_norm_gen.rb
 

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