Re: Changes for emacs 28

[Ergus]

On Fri, Sep 11, 2020 at 09:39:30AM +0300, Eli Zaretskii wrote:
> > Date: Fri, 11 Sep 2020 01:14:20 +0200
> > From: Ergus <spacibba@aol.com>
> > Cc: Ricardo Wurmus <rekado@elephly.net>, Gregory Heytings <ghe@sdf.org>,
> >  emacs-devel@gnu.org
> >
> > 3) Is it possible/should we: add a redo icon in the toolbar
> > conditionally when the mode is enabled?
> >
> > else
> >
> > 4) I see a redo added in the menu-bar unconditionally... should we do
> > the same in the toolbar unconditionally?
>
> I indeed think that the Redo icon should be added unconditionally
> (enabled only when there's something to redo, like the menu item).

Then Caio Henrique can add his patch from a previous mail to master.

I tried it but there is a problem enabling disabling the icon. It
doesn't enable automatically when I do an undo until I click with the
mouse somewhere.

Maybe it is a redisplay problem?