Thu, 20 Mar 1997 11:09:01 +0100 wenzelm replaced ex.ML by ex/ROOT.ML, ex/ex.ML;
Thu, 20 Mar 1997 10:49:44 +0100 wenzelm isatool usedir;
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip