# File rss/maker/0.9.rb, line 44
        def have_required_values?
          @title and @link and @description and @language
        end

# File rss/maker/0.9.rb, line 25
        def to_rss(rss)
          channel = Rss::Channel.new
          set = setup_values(channel)
          if set
            rss.channel = channel
            setup_items(rss)
            setup_image(rss)
            setup_textinput(rss)
            setup_other_elements(rss)
            if rss.channel.image
              rss
            else
              nil
            end
          elsif variable_is_set?
            raise NotSetError.new("maker.channel", not_set_required_variables)
          end
        end