bug#58563: 29.0.50; Generic functions and advertised-calling-convention

[Lars Ingebrigtsen]

"Basil L. Contovounesios" via "Bug reports for GNU Emacs, the Swiss army
knife of text editors" <bug-gnu-emacs@gnu.org> writes:

> I wonder if cl-defgeneric should be the single source of this function
> property, or whether any cl-defmethod should be able to overload it.
> Thoughts?

I think...  that this belongs in the cl-defgeneric only, and not in the
cl-defmethod.  (Unless there isn't a cl-defgeneric, which is sometimes
the case.)

That is, if a cl-defgeneric has defined a advertised-calling-convention,
it should be an error for the cl-defmethod to define one.

Perhaps.