Extension Doc bug

[Travis Oliphant]

> 
> Michael P. Reilly writes:
>  > I just spent the morning trying to find a very obscure bug related to
>  > the passing keyword arguments to a builtin method/function.
> 
> Michael,
>   You didn't post your original code that exhibited the bug, so I
> can't be sure of my conclusions.  If you can send source for enough of 
> your extension module that someone can compile it, that would be
> helpful.
>   My first inclination, however, is that you passed in illegal
> arguments to PyArg_ParseTupleAndKeywords().  Passing NULL for the
> keywords dictionary is allowed; I've been looking at the
> implementation and don't see a way for that to be a problem (but I
> might have missed something).
> 

FYI,
I've used PyArg_ParseTupleAndKeywords() in a C-extension and passed it a
NULL pointer with no problems. 

Python 1.5.2b (Redhat 5.2 Linux 2.0.36)