option. Now different encoding between XML file's encoding and
XML declaration's encodiong is support.
[Feature #4872] (work in progress)
* lib/rexml/xmldecl.rb (REXML::XMLDecl#write): Always use XMLDecl's
encoding.
* test/rexml/test_document.rb: Update tests for the above change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e