Answer to Exercise 15

| ANSWER TO EXERCISE 15
| Change the car's `before` to
        before
        [; Go: if (noun==e_obj)
               {   print "The car will never fit through your front door.^";
                   return 2;
               }
               if (car has on) "Brmm!  Brmm!";
               print "(The ignition is off at the moment.)^";
        ],

Back to the exercise in section 14

Mechanically translated to HTML from third edition as revised 16 May 1997. Copyright © Graham Nelson 1993, 1994, 1995, 1996, 1997: all rights reserved.