# File lib/xml/dom/core.rb, line 2008
      def to_s
        attr = ''
        @attr.each do |a|
          attr << ' ' + a.to_s
        end if @attr
        content = super
        if content != ''
          ret = "<#{@name}#{attr}>#{content}</#{@name}>"
        else
          ret = "<#{@name}#{attr}/>"
        end
        ret << "\n" if parentNode.nodeType == DOCUMENT_NODE
        ret
      end