Fri, 24 Feb 2012 22:46:16 +0100 haftmann explicit is better than implicit
Fri, 24 Feb 2012 18:46:01 +0100 haftmann dropped dead code
Fri, 24 Feb 2012 22:58:13 +0100 wenzelm prefer sorted Map/Set for canonical order of results -- pass ordering via fresh copy of empty;
Fri, 24 Feb 2012 22:15:19 +0100 wenzelm tuned imports;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip