Fri, 03 Jul 2020 16:48:57 +0200 wenzelm clarified log message (more uniform);
Fri, 03 Jul 2020 06:18:29 +0000 haftmann misc lemma tuning
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 tip