Fri, 03 Nov 2017 17:27:00 +0100 wenzelm plain identify job for Isabelle + AFP, independent of any Isabelle technology;
Fri, 03 Nov 2017 14:14:17 +0100 wenzelm tuned (non-unique example);
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 tip