bug#42663: 28.0.50; rectangle-mark-mode does not behave as documented when transient-mark-mode is off

[Eli Zaretskii]

> From: Sean Whitton <spwhitton@spwhitton.name>
> Date: Mon, 27 Dec 2021 13:04:07 -0700
> 
> > So I think a better documentation change would be to say that
> > rectangle mark mode only works when the mark is active, and point to
> > "Disabled Transient Mark" node of the manual for how to do that when
> > Transient Mark mode is off.  This should probably be a separate
> > paragraph, after the current text.
> 
> Yes, that's better, thank you.
> 
> Revised patch enclosed.

Thanks, installed on the emacs-28 branch, and closing the bug.