bug#68213: 30.0.50; completion-preview-tests failure in --without-x build

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: jm@pub.pink,  me@eshelyaron.com,  monnier@iro.umontreal.ca,
>   68213@debbugs.gnu.org
> Date: Mon, 08 Jan 2024 22:20:17 +0800
> 
> > There's one dog we cannot let lie: the one that fails the test in
> > completion-preview-tests to fail to compile -- this is what started
> > this bug report, and I would like to solve that problem.
> 
> >From a cursory reading of this bug report, I gather that m-w-*-event and
> m-w-*-alternate-event are at times defined to identical values, which
> causes defvar-keymap to signal?  In that situation the correct course of
> action is using [remap ...] to bind the mwheel commands to whatever
> completion-preview needs it set to, right?

I don't know.  Stefan, can you help?