Sat, 13 Dec 1997 17:27:16 +0100 version = "Isabelle98: Jan 1998";
wenzelm [Sat, 13 Dec 1997 17:27:16 +0100] rev 4408
version = "Isabelle98: Jan 1998";
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip