<item>
   <title>$(escape(title))</title>
   <guid isPermaLink="false">$(escape(file_path))</guid>
   <link>$(base_url)/$(urlencode(file_path)).$(default_flavour)</link>
   <description>
$(escape(body))
</description>
   <category domain="$(base_url)">$(escape(path))</category>
   <pubDate>$(rfc822date)</pubDate>
</item>
