Fri, 17 Jul 1998 11:13:59 +0200 as in HOL
paulson [Fri, 17 Jul 1998 11:13:59 +0200] rev 5157
as in HOL
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip