mercurial/templates/rss/header.tmpl

dirstate: stringify a few exception messages

Built in exceptions want str, and ProgrammingError converts bytes to str
internally (because it subclasses RuntimeError).

<?xml version="1.0" encoding="{encoding}"?>
<rss version="2.0">
  <channel>
    <link>{urlbase}{url|urlescape}</link>
    <language>en-us</language>