bug#33170: 27.0.50; interactive spec with cl-defgeneric/method

[Eli Zaretskii]

> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: Alex Branham <alex.branham@gmail.com>, 33170-done@debbugs.gnu.org
> Date: Tue, 30 Oct 2018 08:48:49 -0400
> 
> >> Thanks for the response. Seems like the two-function solution is the way
> >> to go I guess. I do think this should be documented as a limitation
> >> somewhere though.
> > Done.
> 
> Should we add a warning for it?

No objections from me.