Sun, 12 Mar 2017 18:45:53 +0100 wenzelm clarified modules;
Sun, 12 Mar 2017 18:05:06 +0100 wenzelm more explicit message type: allows body to become empty;
Sun, 12 Mar 2017 17:59:03 +0100 wenzelm clarified current_command: index refers to node content, negative index means first command;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip