String altClassName = AlternativeGenerator.getAltClassName( type,alt );
String altClassName = AlternativeGenerator.className( type,alt );
	  private void genAltVisitableInterface(Type type, Alternative alt)	  {		String altClassName = AlternativeGenerator.getAltClassName( type,alt );		println("  public void accept(Visitor v) throws jjtraveler.visitFailure");		println("  {");		println("    v.visit" + altClassName + "(this);");		println("  }");		println();	 }