String altClassName = className(alt);
String altClassName = FactoryGenerator.concatTypeAlt(type, alt);
	private void genAltVisitableInterface(Type type, Alternative alt) {		String visitorPackage = VisitorGenerator.qualifiedClassName(getGenerationParameters());		String altClassName = className(alt);		println("  public void accept(" + visitorPackage + ".Visitor v) throws jjtraveler.VisitFailure {");		println("    v.visit_" + altClassName + "(this);");		println("  }");		println();	}