<item>
   <title>$title</title>
   <guid isPermaLink="false">$file_path</guid>
   <link>$base_url/$file_path.$default_flavour</link>
   <description><![CDATA[
$body
]]></description>
   <category domain="$base_url">$path</category>
   <pubDate>$rfc822date</pubDate>
</item>
