cf5bf41998-01-17Mirar (Pontus Hagland) inherit Calendar.Gregorian : christ; class Year { inherit Calendar.Gregorian.Year; int leap() // tack, hubbe... :-) { switch(y%900) { case 0: case 100: case 300: case 400: case 500: case 700: case 800: return 0; case 200: case 600: return 1; default: return !(y%4); } } };