<feed
    xmlns="http://www.w3.org/2005/Atom"
    xmlns:content="http://purl.org/rss/1.0/modules/content/"
    xml:lang="$lang">
  <link href="$url_absolute" rel="self" type="application/atom+xml" />
  <link href="$collection_url_absolute" rel="alternate" type="text/html" hreflang="$lang" />
  <title>$site_name_html</title>
  <subtitle>$feed_title_html</subtitle>
  <id>$url_absolute</id>
  <updated>$now</updated>

  <author>
    <name>$author</name>
    <email>$email</email>
  </author>