Tue, 02 Jun 2009 15:37:59 -0700 huffman generalize type of 'at' to metric_space
Tue, 02 Jun 2009 15:13:22 -0700 huffman redefine nets as filter bases
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip