Why can't the pointer in a PyCapsule be NULL?

[Robert Latest]

Stefan Ram wrote:
> Robert Latest <boblatest at yahoo.com> writes:
>>the question is in the subject. I'd like the pointer to be able to be NULL
>>because that would make my code slightly cleaner. No big deal though.
>
>   In Usenet, it is considered good style to have all relevant
>   content in the body.

Makes sense.

>   . On a superficial level, the answer is: "Because
>   PyCapsule_GetPointer uses NULL to indicate failure."

Makes sense, too. Thanks.