bug#47162: Mouse Wheel Won't Work When Emacs Built without Any Window System

[Eli Zaretskii]

> Cc: 张强 <johnson9009@163.com>, 47162@debbugs.gnu.org
> Date: Fri, 30 Jul 2021 09:32:22 +0100
> From:  "Basil L. Contovounesios" via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> > I've now made this change in Emacs 28.
> 
> FYI, as a result of this change mwheel is now effectively preloaded even
> --without-x, in the sense that (featurep 'mwheel) returns non-nil even
> when starting nox builds with -Q (see my signature for details).
> 
> Bother or feature?

It's probably a bother, but could you please show the details, like
what causes mwheel to be loaded at startup or at loadup time in the
"--without-x" builds?