[Python-Dev] PEP 393: Flexible String Representation

["Martin v. Löwis"]

>> None of the functions in this PEP become part of the stable ABI.
> 
> I think that's only part of the truth. This PEP can potentially have an
> impact on the stable ABI in the sense that the build-time size of
> Py_UNICODE may no longer be important for extensions that work on
> unicode buffers in the future as long as they only use the 'str' pointer
> and not 'wstr'.

Py_UNICODE isn't part of the stable ABI, so it wasn't important for
extensions using the stable ABI before - so really no change here.

Regards,
Martin