Cache.SerializerPermissions TYPE: int/null VERSION: 4.3.0 DEFAULT: 0755 --DESCRIPTION--Directory permissions of the files and directories created inside the DefinitionCache/Serializer or other custom serializer path.
In HTML Purifier 4.8.0, this also supports
--# vim: et sw=4 sts=4NULL, which means that no chmod'ing or directory creation shall occur.