I definitely think they could. As a developer using Python, they're fully sufficient for my purposes.

I honestly don't know enough about non-CPython implementations and their challenges to know what gaps (if any) would need to be filled to fully implement a compatible version.

On Sat, 2021-02-13 at 10:58 +1300, Greg Ewing wrote:

On 13/02/21 9:03 am, Paul Bryan wrote:
What if PSF were to undertake codifying a language specification?

We have the Language Reference and Library Reference. Do they
not count as specifications?