Wed, 15 Apr 2009 11:14:48 +0200 wenzelm updated for Isabelle2009;
Tue, 14 Apr 2009 23:58:46 +0200 wenzelm tuned;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip