convert: quote "^" to avoid windows using it as an escape char.
#header#
<id>{urlbase}{url}atom-log/tip/{file|escape}</id>
<link rel="self" href="{urlbase}{url}atom-log/tip/{file|escape}"/>
<title>#repo|escape#: #file|escape# history</title>
#latestentry%feedupdated#
#entries%changelogentry#
</feed>