When I do copy/paste I sometimes get this kind of stuff pasted:
x, y = self.S'with lots of NUL's"
instead of what I copied
x, y = self.Snap(x, y)
I thought I found the reason, i.e. some files had mixed line endings
and/or no encoding declaration, but there is obviously something else
# Python 2.4.1 (#65, Mar 30 2005, 09:13:57) [MSC v.1310 32 bit (Intel)]
# wxPython 126.96.36.199, Boa Constructor 0.4.4
Boa from CVS about 1 week ago.