# File rss/1.0.rb, line 524
      def initialize(about=nil)
        super()
        @about = about
      end

# File rss/1.0.rb, line 500
        def required_uri
          ::RSS::URI
        end

# File rss/1.0.rb, line 529
      def to_s(convert=true, indent=calc_indent)
        next_indent = indent + INDENT
        about = ''
        about << %Q!#{PREFIX}:about="#{h @about}"! if @about
        rv = "\#{indent}<item \#{about}>\n\#{title_element(false, next_indent)}\n\#{link_element(false, next_indent)}\n\#{description_element(false, next_indent)}\n\#{other_element(false, next_indent)}\n\#{indent}</item>\n"
        rv = @converter.convert(rv) if convert and @converter
        rv
      end