    # File lib/graphviz/graphml.rb, line 98
        def graphml_graph( node )
          @current_node = nil

          if @current_graph.nil?
            @graph = GraphViz.new( node.attributes['id'], :type => GTYPE[node.attributes['edgedefault']] )
            @current_graph = @graph
            previous_graph = @graph
          else
            previous_graph = @current_graph
            @current_graph = previous_graph.add_graph( node.attributes['id'] )
          end

          @attributs[:graphs].each do |id, data|
            @current_graph.graph[data[:name]] = data[:default] if data.has_key?(:default)
          end
          @attributs[:nodes].each do |id, data|
            @current_graph.node[data[:name]] = data[:default] if data.has_key?(:default)
          end
          @attributs[:edges].each do |id, data|
            @current_graph.edge[data[:name]] = data[:default] if data.has_key?(:default)
          end

          node.each_element( ) do |child|
            #begin
              send( "graphml_graph_#{child.name}".to_sym, child )
            #rescue NoMethodError => e
            #  raise "ERROR node #{child.name} can be child of graphml"
            #end
          end

          @current_graph = previous_graph
        end