# File lib/xml/dom/builder.rb, line 124
    def parse(xml, parse_ext = false)
      if @external
        @tree = @document.createDocumentFragment
      else
        @tree = @document
      end
      @parse_ext = parse_ext
      @current = @tree
      @inDocDecl = 0
      @decl = ""
      @inDecl = 0
      @idRest = 0
      @extID = nil
      @cdata_f = false
      @cdata_buf = ''
      super(xml)
      @tree
    end