Re: cl-defgeneric vs random funcall in project.el

[Stefan Monnier]

>> FWIW, this sucks because this method won't be used in modes derived from
>> emacs-lisp-mode.
> If we *really* wanted to use the same mechanism, though, I think
> implementing &context (derived-p emacs-lisp-mode) is not impossible.

I think the syntax "&context (derived-p emacs-lisp-mode)" is impossible,
but indeed, something that behaves correctly is possible, maybe with
a syntax like "&context ((parent-modes) (includes emacs-lisp-mode))"
or "&context (major-mode (derived-mode-of emacs-lisp-mode))".


        Stefan