??ANSWER TO EXERCISE 43

       orders
       [;  if (gasmask hasnt worn) rfalse;
           if (actor==self && action~=##Answer or ##Tell or ##Ask) rfalse;
          "Your speech is muffled into silence by the gas mask.";
       ],

Back to the exercise in section 19
Mechanically translated to HTML from third edition as revised 16 May 1997. Copyright © Graham Nelson 1993, 1994, 1995, 1996, 1997: all rights reserved.