* lib/rexml/parsers/baseparser.rb (REXML::Parsers::BaseParser):
  Use "\A" instead of "^" in document type declaration patterns
  because they are used as the head match in content not the head
  match in line. They don't cause any problems in the current code
  but it should be fixed.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42487 b2dd03c8-39d4-4d8f-98ff-823fe69b080e