Wed, 21 Jul 2010 16:56:34 -0600 Kevin Walker start on comm alg appendix
Wed, 21 Jul 2010 10:29:23 -0600 Kevin Walker Automated merge with https://tqft.net/hg/blob/
(0) -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 tip