Re: [WIP PATCH] Adding more keybindings to rectangle-mark-mode-map

[Eli Zaretskii]

> From: Jim Porter <jporterbugs@gmail.com>
> Date: Sun, 2 May 2021 08:48:21 -0700
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
> 
> On Sat, May 1, 2021 at 11:58 PM Eli Zaretskii <eliz@gnu.org> wrote:
> > > From: Jim Porter <jporterbugs@gmail.com>
> > > Perhaps Edit -> Clear should be bound to `backward-delete-char-untabify'?
> >
> > ??? The latter deletes a single character, whereas delete-region
> > deletes many characters.  How can we replace delete-region by
> > backward-delete-char-untabify?
> 
> Based on what Stefan said (see below), if the region (regular or
> rectangular) is active, `backward-delete-char-untabify' deletes the
> *region* instead of a single character.

Yes.

> I interpreted that to mean that, if Edit -> Clear is only enabled
> when there's an active region/rect, `backward-delete-char-untabify'
> is equivalent to a hypothetical `delete-rect-or-region'.

But Edit->Clear is enabled even when the region is not active, like if
you turn off transient-mark-mode.