Mon, 19 Jul 2010 16:09:44 +0200 diff_minus subsumes diff_def
haftmann [Mon, 19 Jul 2010 16:09:44 +0200] rev 37887
diff_minus subsumes diff_def
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip