Re: Changes for emacs 28

[Eli Zaretskii]

> Date: Fri, 11 Sep 2020 14:57:44 +0200
> From: Ergus <spacibba@aol.com>
> Cc: rekado@elephly.net, ghe@sdf.org, emacs-devel@gnu.org,
>       drew.adams@oracle.com, dgutov@yandex.ru
> 
> The mode will substitute undo with undo-only. This small contradiction
> will start a war here.

As long as we keep this on the menu and the tool bar, there will be no
reason for a "war".

> >> Having undo with an undo-redo in the same "state" could be confusing as
> >> the normal undo could do also redo IMO.
> >
> >If the user uses the menus or the tool bar, the confusion will be
> >spared, right?
> >
> If the user expects undo-only behavior; then having our undo will be
> confusing because not expecting undo becoming a redo at some point.

How can it be confusing that 2 different commands produce different
results?  Why isn't it confusing today, when we already have these 2
commands?

> IMO we should have one (undo) or the other (undo-only + undo-edor) but
> not mix them by default.

Whether to mix them or not is up to the user.