# File rexml/dtd/dtd.rb, line 21
   def Parser.parse_helper( input )
				contents = Parent.new
				while input.size > 0
					case input
					when ElementDecl.PATTERN_RE
						match = $&
						source = $'
						contents << EleemntDecl.new( match )
					when AttlistDecl.PATTERN_RE
						matchdata = $~
						source = $'
						contents << AttlistDecl.new( matchdata )
					when EntityDecl.PATTERN_RE
						matchdata = $~
						source = $'
						contents << EntityDecl.new( matchdata )
					when Comment.PATTERN_RE
						matchdata = $~
						source = $'
						contents << Comment.new( matchdata )
					when NotationDecl.PATTERN_RE
						matchdata = $~
						source = $'
						contents << NotationDecl.new( matchdata )
					end
				end
				contents
			end