Sat, 01 Apr 2023 21:12:44 +0200 wenzelm more compact data;
Sat, 01 Apr 2023 19:15:38 +0200 wenzelm minor performance tuning;
Sat, 01 Apr 2023 16:54:43 +0200 wenzelm tuned signature;
Sat, 01 Apr 2023 15:01:35 +0200 wenzelm more uniform treatment of properties (but < 0 should not occur here);
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 +1000 +3000 tip