Fri, 01 Apr 2016 15:32:25 +0200 wenzelm unused;
Fri, 01 Apr 2016 15:27:59 +0200 wenzelm tuned markup;
Fri, 01 Apr 2016 14:49:02 +0200 wenzelm clarified treatment of properties;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip