# File rss/0.9.rb, line 366
          def initialize(url=nil, content=nil)
            super()
            @url = url
            @content = content
          end

# File rss/0.9.rb, line 372
          def to_s(convert=true, indent=calc_indent)
            if @url
              rv = %Q!                          <source url="#{@url}">!
              rv << %Q!#{@content}</source>!
              rv = @converter.convert(rv) if convert and @converter
              rv
            else
              ''
            end
          end