Thu, 19 Dec 2019 16:16:49 +0100 clarified backup;
wenzelm [Thu, 19 Dec 2019 16:16:49 +0100] rev 71320
clarified backup;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 tip