public void tryFillInExtraneousExternal(CrossExit EX, Exit ox)
	{
		if(EX==null)
			return;
		Room linkFrom=null;
		if(subMap!=null)
			linkFrom=subMap[EX.x][EX.y];
		if(linkFrom!=null)
		{
			Room linkTo=CMLib.map().getRoom(EX.destRoomID);
			if((linkTo!=null)&&(linkTo.getGridParent()!=null))
				linkTo=linkTo.getGridParent();
			if((linkTo!=null)&&(linkFrom.rawDoors()[EX.dir]!=linkTo))
			{
				if(ox==null)
					ox=CMClass.getExit("Open");
				linkFrom.rawDoors()[EX.dir]=linkTo;
				linkFrom.setRawExit(EX.dir,ox);
			}
		}
	}