Sun, 19 May 2019 18:10:45 +0200 wenzelm more thorough assignment, e.g. when "purge" removes commands that were not assigned;
Sun, 19 May 2019 14:14:56 +0200 wenzelm tuned whitespace;
Sat, 18 May 2019 13:23:36 +0200 wenzelm tuned signature (following Scala version);
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip