diff -x config.log -x config.status -ru tmp/morse-20080531/src/m.fl work/morse-20080531/src/m.fl
--- tmp/morse-20080531/src/m.fl	2009-09-16 22:34:55.000000000 +0100
+++ work/morse-20080531/src/m.fl	2009-09-16 22:45:27.000000000 +0100
@@ -231,7 +231,7 @@
       }
     }
   }
-  code {w->show(argc, argv);
+  code {Morse->show(argc, argv);
 while (1) {
   int c = Lesson->select();	// Select random letter
   bool pass = Teacher->teach(c);// Teach/test student