xml.instruct! :xml, :version => "1.0" 
xml.rss :version => "2.0" do
  xml.channel do
    xml.title @aff.title
    xml.link "/xhr/archive_files/rssfeed/#{@aff.uid}.rss"
    
    for archive_file in @archive_files
      xml.item do
        xml.title archive_file.title
        xml.description archive_file.description
        xml.pubDate archive_file.created_at.to_s(:rfc822)
        xml.link page_for_archive_file(archive_file)
      end
    end
  end
end