# File lib/xml/dom2/element.rb, line 191
      def dump(depth = 0)
        attr = ''
        @attr.each do |a|  ## self.attributes do |a|
          attr += a.to_s + ", "
        end if @attr
        attr.chop!
        attr.chop!
        print ' ' * depth * 2
        print "#{@name}(#{attr})\n"
        @children.each do |child|
          child.dump(depth + 1)
        end if @children
      end