Wed, 18 Nov 2020 13:14:01 +0100 wenzelm more robust, e.g. for "isabelle build_doc system";
Wed, 18 Nov 2020 08:10:40 +0100 wenzelm tuned;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 tip