Fri, 16 Feb 2018 18:55:42 +0100 wenzelm removed unused material;
Fri, 16 Feb 2018 18:29:11 +0100 wenzelm trim context of persistent data;
Fri, 16 Feb 2018 18:28:44 +0100 wenzelm trim context of persistent data;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip