ref: 0235ddebbc543a6831395c255bb69e2f70a0aa42
dir: /sys/lib/python/mercurial/templates/rss/changelog.tmpl/
{header}
    <title>{repo|escape} Changelog</title>
    <description>{repo|escape} Changelog</description>
    {entries%changelogentry}
  </channel>
</rss>