Wed, 09 Feb 2011 12:34:30 +0000 added Xingyuan's changes with the while combinator
urbanc [Wed, 09 Feb 2011 12:34:30 +0000] rev 91
added Xingyuan's changes with the while combinator
(0) -30 -10 -1 +1 +10 +30 +100 +300 tip