Fri, 18 Jul 1997 14:06:54 +0200 wenzelm tuned error propagation msg;
Fri, 18 Jul 1997 13:57:19 +0200 wenzelm defs may now be conditional;
Fri, 18 Jul 1997 13:55:09 +0200 wenzelm renamed |-> <-| <-> to Parse/PrintRule;
Fri, 18 Jul 1997 13:54:41 +0200 wenzelm tuned warning;
(0) -3000 -1000 -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip