* lib/rexml/parsers/baseparser.rb (LETTER, DIGIT):

always use POSIX charclass.

* lib/rexml/parsers/baseparser.rb (NAMECHAR):
  remove duplicated range.

* lib/rexml/xmltokens.rb (NCNAME_STR, NAMECHAR): ditto.

* lib/rexml/parsers/xpathparser.rb (PathExpr): ditto.

* lib/rexml/text.rb (REXML::Text#initialize):
  initialize @parent.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27228 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rexml/parsers/baseparser.rb

@@ -25,15 +25,8 @@ module REXML
     #
     # Nat Price gave me some good ideas for the API.
     class BaseParser
-      if String.method_defined? :encode
-        # Oniguruma / POSIX [understands unicode]
-        LETTER = '[[:alpha:]]'
-        DIGIT = '[[:digit:]]'
-      else
-        # Ruby < 1.9 [doesn't understand unicode]
-        LETTER = 'a-zA-Z'
-        DIGIT = '\d'
-      end
+      LETTER = '[:alpha:]'
+      DIGIT = '[:digit:]'
 
       COMBININGCHAR = '' # TODO
       EXTENDER = ''      # TODO
@@ -42,7 +35,7 @@ module REXML
       NAME_STR= "(?:(#{NCNAME_STR}):)?(#{NCNAME_STR})"
       UNAME_STR= "(?:#{NCNAME_STR}:)?#{NCNAME_STR}"
 
-      NAMECHAR = '[\-\w\d\.:]'
+      NAMECHAR = '[\-\w:]'
       NAME = "([\\w:]#{NAMECHAR}*)"
       NMTOKEN = "(?:#{NAMECHAR})+"
       NMTOKENS = "#{NMTOKEN}(\\s+#{NMTOKEN})*"