append_features

# File lib/rss/maker/trackback.rb, line 8
      def self.append_features(klass)
        super

        name = "#{RSS::TRACKBACK_PREFIX}_ping"
        klass.add_need_initialize_variable(name)
        klass.add_other_element(name)
        klass.module_eval("attr_accessor :\#{name}\ndef setup_\#{name}(rss, current)\nif \#{name} and current.respond_to?(:\#{name}=)\ncurrent.\#{name} = \#{name}\nend\nend\n", __FILE__, __LINE__+1)

        name = "#{RSS::TRACKBACK_PREFIX}_abouts"
        klass.add_need_initialize_variable(name, "make_#{name}")
        klass.add_other_element(name)
        klass.module_eval("attr_accessor :\#{name}\ndef make_\#{name}\nself.class::TrackBackAbouts.new(self)\nend\n\ndef setup_\#{name}(rss, current)\n@\#{name}.to_rss(rss, current)\nend\n", __FILE__, __LINE__+1)
      end