Translations:Manual:$wgRevokePermissions/7/en

This acts the same way as $wgGroupPermissions, except that if the user is in a group here, the permission will be removed rather than added. A good use-case for this setting is in conjunction with $wgAutopromote and APCOND_BLOCKED to further restrict the rights of blocked users. Another use-case could be the creation of other "blocked groups" where a sysop can (via $wgAddGroups) add a user to a group to allow them to edit pages normally, but prevent them from being able to move pages.