purple_debug_misc("lurch","Received OMEMO message in a MUC, but the sender is not present in the room. This can happen during history catchup. Skipping.\n");
purple_debug_misc("lurch","Received OMEMO message in MUC %s, but the sender %s is not present in the room (or its table). This can happen during history catchup, or if the room is set to anonymous. Skipping.\n",room_name,buddy_nick);