Sun, 04 Nov 2001 21:00:28 +0100 simplified Proof.init_state:
wenzelm [Sun, 04 Nov 2001 21:00:28 +0100] rev 12049
simplified Proof.init_state:
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip