Sun, 10 Mar 2019 21:33:05 +0100 wenzelm merged
Sun, 10 Mar 2019 21:31:28 +0100 wenzelm tuned -- Toplevel.presentation_context is total;
Sun, 10 Mar 2019 21:12:29 +0100 wenzelm document markers are formal comments, and may thus occur anywhere in the command-span;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip