[Python-Dev] Drop support for ones' complement machines?

["Martin v. Löwis"]

>> I'd rather prefer to explicitly list what CPython assumes about the
>> outcome of specific operations. If this is just about &, |, ^, and ~,
>> then its fine with me.
> 
> I'm not even interested in going this far:

I still am: with your list of assumptions, it is unclear (to me, at
least) what the consequences are. So I'd rather see an explicit list
of consequences, instead of buying a pig in a poke.

Regards,
Martin