$admin_setting='<pre>'.$admin_setting.'</pre>';//else it renders horrible
watchdog('legacy',$admin_setting);
$last=db_fetch_object(db_query('SELECT max(wid) wid FROM {watchdog}'));
variable_del('user_mail_'.$message_id);//deleting is requird, because _user_mail_text() checks for existance.
$i++;
$ret[$i]['query']=l(t('The mail template %message_id is reset to the default, and the old one is saved.',array('%message_id'=>'user_mail_'.$message_id)),'admin/logs/event/'.$last->wid);