Re: Changes for emacs 28

[Eli Zaretskii]

> 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).