# File rss/1.0.rb, line 170
      def initialize(resource=nil)
        super()
        @resource = resource
      end

# File rss/1.0.rb, line 158
        def required_uri
          URI
        end

# File rss/1.0.rb, line 175
      def to_s(convert=true, indent=calc_indent)
        if @resource
          rv = %Q!#{indent}<#{PREFIX}:li resource="#{h @resource}" />\n!
          rv = @converter.convert(rv) if convert and @converter
          rv
        else
          ''
        end
      end