Sun, 22 Feb 2009 18:16:32 +0100 haftmann handle NONE case in arity function properly
Sun, 22 Feb 2009 18:02:21 +0100 haftmann clarified status of variables in evaluation terms; tuned header
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip