Sat, 12 May 2018 22:28:34 +0300 Calculate ruler length each time.
Oleksandr Gavenko <gavenkoa@gmail.com> [Sat, 12 May 2018 22:28:34 +0300] rev 894
Calculate ruler length each time.
(0) -300 -100 -30 -10 -1 +1 +10 +30 +100 tip