Tue, 15 May 2012 09:36:18 +0200 Fixed sort with y is NoneType.
gibus [Tue, 15 May 2012 09:36:18 +0200] rev 431
Fixed sort with y is NoneType.
(0) -300 -100 -30 -10 -1 +1 +10 +30 +100 tip