ref: 603d9812a7f4a662e2a8ede68df9eb7f79d8dd67
dir: /sys/lib/python/mercurial/templates/rss/changelog.tmpl/
{header}
<title>{repo|escape} Changelog</title>
<description>{repo|escape} Changelog</description>
{entries%changelogentry}
</channel>
</rss>