Re: Allowing point to be outside the window?

[Eli Zaretskii]

> From: Kévin Le Gouguec <kevin.legouguec@gmail.com>
> Cc: Po Lu <luangruo@yahoo.com>,  Eli Zaretskii <eliz@gnu.org>,
>   emacs-devel@gnu.org
> Date: Sun, 28 Nov 2021 16:39:01 +0100
> 
> > I detest this behaviour, and that Emacs doesn't (currently) do it is a
> > large part of the reason why I use Emacs.  With these other programs I
> > experience a constant background stress, that the careless or accidental
> > depression of a key causes BANG!!! and the text I was reading
> > disappears for ever, being overwritten by the text around point.
> 
> I don't see how (what I understand of) Po's proposition could lead to
> such catastrophic text Armageddon.  And in any case, Emacs's trusty undo
> would surely come and save the day.

Undo doesn't undo display operations, only editing operations.