Mon, 11 Jul 1994 17:38:10 +0200 documented subgoals_tac
lcp [Mon, 11 Jul 1994 17:38:10 +0200] rev 457
documented subgoals_tac
(0) -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip