Mon, 29 Sep 1997 11:31:56 +0200 Step_tac -> Safe_tac
paulson [Mon, 29 Sep 1997 11:31:56 +0200] rev 3721
Step_tac -> Safe_tac
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip