Sat, 03 Jan 2015 22:04:31 +0100 wenzelm clarified fit_to_window: floor scale within window bounds;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip