bug#32975: Emacs 26.1; GTK Warnings

[Eli Zaretskii]

> From: Tjernlund <tjernlund@tjernlund.se>
> Cc: 32975@debbugs.gnu.org
> Date: Tue, 09 Oct 2018 20:01:12 +0200
> 
> On Tue, 2018-10-09 at 18:10 +0300, Eli Zaretskii wrote:
> > > From: Tjernlund <tjernlund@tjernlund.se>
> > > Cc: 32975@debbugs.gnu.org
> > > Date: Mon, 08 Oct 2018 07:27:08 +0200
> > > 
> > > > P.S. Do I understand correctly that these messages are emitted only
> > > > for that combination of colors?
> > > 
> > > No, setting background-color to any value will cause the errors
> > > gtk version 3.22.30
> > 
> > Do the problems go away if you disable the scroll bars?
> 
> The left side scroll bar?

All of them.

> Don't know howto do that ..

"M-x scroll-bar-mode RET" should toggle display of vertical scroll
bars.  "M-x horizontal-scroll-bar-mode RET" should do the same with
horizontal scroll bars.