ref: 4d4107b38547c7f9f135cc22d3a29fcbad4a8c34
dir: /sys/src/cmd/hg/templates/atom/changelog.tmpl/
{header} <!-- Changelog --> <id>{urlbase}{url}</id> <link rel="self" href="{urlbase}{url}atom-log"/> <link rel="alternate" href="{urlbase}{url}"/> <title>{repo|escape} Changelog</title> {latestentry%feedupdated} {entries%changelogentry} </feed>