Mon, 10 Jan 2011 16:07:16 +0100 wenzelm tuned string_of_int to avoid allocation for small integers;
Mon, 10 Jan 2011 15:45:46 +0100 wenzelm eliminated Int.toString;
Mon, 10 Jan 2011 15:30:17 +0100 wenzelm eliminated obsolete LargeInt -- Int is unbounded;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip