Sun, 30 Sep 2018 12:40:57 +0200 wenzelm tuned spelling;
Sun, 30 Sep 2018 12:36:31 +0200 wenzelm tuned whitespace and sections;
Sun, 30 Sep 2018 12:33:42 +0200 wenzelm tuned -- eliminated clone;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip