Fri, 09 Jan 2015 20:51:26 +0100 wenzelm tuned;
Fri, 09 Jan 2015 20:39:17 +0100 wenzelm non-strict print_state: display old proof state on failure, e.g. unfinished command;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 tip