bug#68244: hash-table improvements

[Gerd Möllmann]

Mattias Engdegård <mattias.engdegard@gmail.com> writes:

> 13 feb. 2024 kl. 10.05 skrev Gerd Möllmann <gerd.moellmann@gmail.com>:
>
>> I wonder, what does your code do for the places using (make-vector n 0)
>> create obarrays? I'm not 100% sure, but I think Cedet was an example of
>> that in Emacs itself.
>
> That code would still work, but just for completeness I changed all
> those instances to using `obarray-make`, including cedet. (See the
> branch scratch/obarray.)
>
> A more worrying problem is code that uses `obarray-make` but assumes
> the result to be vectors. It may be unsafe to let obarray-make return
> an obarray object for that reason. With Stefan's suggestion, if I
> understood it right, we'd have `obarray-make` return (vector 0). I'll
> give it a try.

Thanks for the pointer.