ref: 47682ee42a1f686dbd3aa9de7375c16f7d3d95e8
dir: /sys/lib/python/mercurial/templates/rss/filelogentry.tmpl/
<item> <title>{desc|strip|firstline|strip|escape}</title> <link>{urlbase}{url}log{{node|short}}/{file|urlescape}</link> <description><![CDATA[{desc|strip|escape|addbreaks|nonempty}]]></description> <author>{author|obfuscate}</author> <pubDate>{date|rfc822date}</pubDate> </item>