Import REXML 3.1.9

It restores removed REXML::Parsers::BaseParser::UNQME_STR.
Because it's used by kramdown.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66536 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

NEWS

@@ -480,7 +480,7 @@ sufficient information, see the ChangeLog file or Redmine
 
 [REXML]
 
-  * Upgrade to REXML 3.1.8.
+  * Upgrade to REXML 3.1.9.
     See https://github.com/ruby/rexml/blob/master/NEWS.md.
 
   [Improved some XPath implementations]

lib/rexml/parsers/baseparser.rb

@@ -37,6 +37,10 @@ module REXML
       QNAME_STR= "(?:(#{NCNAME_STR}):)?(#{NCNAME_STR})"
       QNAME = /(#{QNAME_STR})/
 
+      # Just for backward compatibility. For example, kramdown uses this.
+      # It's not used in REXML.
+      UNAME_STR= "(?:#{NCNAME_STR}:)?#{NCNAME_STR}"
+
       NAMECHAR = '[\-\w\.:]'
       NAME = "([\\w:]#{NAMECHAR}*)"
       NMTOKEN = "(?:#{NAMECHAR})+"

lib/rexml/rexml.gemspec

@@ -21,6 +21,7 @@ Gem::Specification.new do |spec|
     ".travis.yml",
     "Gemfile",
     "LICENSE.txt",
+    "NEWS.md",
     "README.md",
     "Rakefile",
     "lib/rexml/attlistdecl.rb",

lib/rexml/rexml.rb

@@ -24,7 +24,7 @@
 module REXML
   COPYRIGHT = "Copyright © 2001-2008 Sean Russell <ser@germane-software.com>"
   DATE = "2008/019"
-  VERSION = "3.1.8"
+  VERSION = "3.1.9"
   REVISION = ""
 
   Copyright = COPYRIGHT