ref: 332f07d78e1a575af02fffab762fdd9429b5ffd2
dir: /sys/lib/python/mercurial/templates/rss/changelog.tmpl/
{header}
    <title>{repo|escape} Changelog</title>
    <description>{repo|escape} Changelog</description>
    {entries%changelogentry}
  </channel>
</rss>