ref: a864c98edbf34f3065823edea0cc0c2d3a85d5c3
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