Sun, 06 Sep 2009 15:05:35 +0200 wenzelm tuned;
Sun, 06 Sep 2009 14:55:25 +0200 wenzelm replaced find_command_at by command_at -- null-free, proper Option;
Sun, 06 Sep 2009 13:43:54 +0200 wenzelm tuned;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip