Fri, 08 Jan 2021 15:03:51 +0100 wenzelm recovered body_range from eca176f773e0 --- its Command.core_range is in conflict with batch-build markup;
Fri, 08 Jan 2021 14:42:18 +0100 wenzelm tuned;
Fri, 08 Jan 2021 14:40:04 +0100 wenzelm support more command positions, analogous to Command.core_range in Isabelle/Scala;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip