Mon, 24 May 2010 09:32:52 -0700 huffman rename type 'a maybe to 'a match; rename Fixrec.return to Fixrec.succeed
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip