    # File temp/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