Sun, 03 Dec 2017 18:53:49 +0100 wenzelm misc tuning and modernization;
Sun, 03 Dec 2017 13:22:09 +0100 wenzelm discontinued old 'def' command;
Sat, 02 Dec 2017 16:50:53 +0000 haftmann more simplification rules
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip