# File lib/graphviz/graphml.rb, line 165
    def graphml_graph_node_port( node )
      @current_node[:shape] = :record
      port = node.attributes['name']
      if @current_node[:label]
        label = @current_node[:label].gsub( "{", "" ).gsub( "}", "" )
        @current_node[:label] = "#{label}|<#{port}> #{port}"
      else
        @current_node[:label] = "<#{port}> #{port}"
      end
    end