to_s

# File lib/rss/rss.rb, line 909
    def to_s(need_convert=true, indent='')
      if self.class.have_content?
        return "" if !empty_content? and !content_is_set?
        rv = tag(indent) do |next_indent|
          if empty_content?
            ""
          else
            xmled_content
          end
        end
      else
        rv = tag(indent) do |next_indent|
          self.class.to_element_methods.collect do |method_name|
            __send__(method_name, false, next_indent)
          end
        end
      end
      rv = convert(rv) if need_convert
      rv
    end