bug#65797: 29.0.92; func-arity should not return (0 . many) with apply-partially

[Joseph Turner]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> - Replace `&optional arg` with `&rest args` and pass those args via
>   `apply`, so the number of args passed doesn't depend on the function
>   but on the caller.

I like this idea. See patch.

> - Always pass both args to the function (i.e. as documented in the
>   docstring).

This isn't backwards compatible, is it?

Joseph

0001-Don-t-use-func-arity-in-buffer-match-p.patch
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