$wgGroupPermissions['sysop']['delete'] = true;
$wgGroupPermissions['sysop']['bigdelete'] = true; // can be separately configured for pages with more than $wgDeleteRevisionsLimit revs
$wgGroupPermissions['sysop']['deletedhistory'] = true; // 可以查看已删除条目的历史记录,但不能查看或恢复该文本
$wgGroupPermissions['sysop']['deletedtext'] = true; // 查看已刪除的修訂版本內容
$wgGroupPermissions['sysop']['undelete'] = true;
#$wgGroupPermissions['sysop']['deleterevision'] = true;
#$wgGroupPermissions['suppress']['suppressrevision'] = true;
#$wgGroupPermissions['suppress']['suppressionlog'] = true;