Sat, 24 Nov 2001 17:00:35 +0100 wenzelm type variables: clarified "used" vs. "occ";
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip