bug#65797: `buffer-match-p` should not use `func-arity`

[Dmitry Gutov]

On 19/09/2023 11:34, Philip Kaludercic wrote:
> > [ BTW, changing the code to use `&rest args` instead of `&optional arg`
> >    would help for this, right?  ]
> How come?

In project.el buffer-match-p would be called without an extra argument, 
so the predicates would be called without an extra argument as well.

That should take care of that compatibility, I think.