Mon, 18 Dec 2023 14:35:11 +0100 wenzelm tuned whitespace;
Mon, 18 Dec 2023 12:57:59 +0100 wenzelm minor performance tuning: more concise union;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 tip