ref: 75c2e4bf4c713832e7c8a4da74802add078ce8ba
dir: /sys/lib/python/mercurial/templates/atom/map/
default = 'changelog'
feedupdated = '<updated>{date|rfc3339date}</updated>'
mimetype = 'application/atom+xml; charset={encoding}'
header = header.tmpl
changelog = changelog.tmpl
changelogentry = changelogentry.tmpl
filelog = filelog.tmpl
filelogentry = filelogentry.tmpl
tags = tags.tmpl
tagentry = tagentry.tmpl
error = error.tmpl