mercurial/templates/rss/branchentry.tmpl

py3: add pycompat.unicode and add it to importer

On python 3, builtins.unicode does not exist.

<item>
    <title>{branch|escape}</title>
    <link>{urlbase}{url|urlescape}rev/{node|short}</link>
    <description><![CDATA[{branch|strip|escape|addbreaks}]]></description>
    <pubDate>{date|rfc822date}</pubDate>
</item>