Mon, 20 Mar 2000 18:47:47 +0100 wenzelm quick_and_dirty moved to Isar/skip_proof.ML;
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip