# File rss/maker/trackback.rb, line 29
def have_required_values?
  @value
end
             
             
               # File rss/maker/trackback.rb, line 33
def to_feed(feed, current)
  if current.respond_to?(:trackback_abouts) and have_required_values?
    about = current.class::TrackBackAbout.new
    setup_values(about)
    setup_other_elements(about)
    current.trackback_abouts << about
  end
end