bug#40968: 28.0.50; (apply nil)

[Pip Cet]

On Wed, May 6, 2020 at 7:17 PM Drew Adams <drew.adams@oracle.com> wrote:
> And if Elisp follows that (which I think it should,
> unless someone can present a good use case for just
> (apply FUNCTION)), then it should raise an error if
> there are not at least two args.

Note that single-argument apply in current Elisp is not (apply
FUNCTION) but (apply LIST-OF-FUNCTION-PLUS-ARGS).

(apply '+) is an error.
(apply '(+)) is 0.

That's why the problem with (apply nil) arose.