Sun, 24 Oct 2010 22:21:55 -0700 Scott Morrison removing the (unused) \pr command, because PNAS didn't like it
Sun, 24 Oct 2010 22:20:40 -0700 Scott Morrison renaming variables to avoid PNAS conflicts
(0) -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 tip