Wed, 09 Feb 2011 04:54:23 +0000 urbanc deleted the non_empty invariant
Wed, 09 Feb 2011 04:50:18 +0000 urbanc tuned comments and names in Myhill_1
Wed, 09 Feb 2011 03:52:28 +0000 urbanc separated the definition of folds into a separate file
(0) -30 -10 -3 +3 +10 +30 +100 +300 tip