PmWiki 2.2.111 is now available. This is a bug fix.
PmWiki 2.2.111 Changelog

PmWiki CMS
- Add $Id$ subversion keyword to pmwiki.php, requested by Peter Gragert.
- Fix responsive skin search form max-width in desktop mode, reported by Moni Kellermann.
- Add $DenyHtaccessContent variable. Update protective .htaccess files.
- Add tz= and locale= arguments to {(ftime )} MarkupExpression (PHP5+).
- Update documentation.