• core/string_api.php
  (filter_html_tags): use === instead of == so that tags can actually get allowed (any string that doesn't start with a number is == 0 (OFF))

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@1736 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9