System.err.println("\nWhile processing " + Debug.show(clazz));
System.err.println("\nWhile processing " + Debug.show(root));
    protected String doComplete(Symbol clazz) {	try { return doComplete0(clazz); }	catch (Throwable e) {	    System.err.println("\nWhile processing " + Debug.show(clazz));	    e.printStackTrace();	    System.exit(1);            return null; // !!!	}    }