bug#43323: Rename cua-mode to something better?

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Fri, 11 Sep 2020 12:41:20 -0700
> Cc: 43323@debbugs.gnu.org
> 
> diff --git a/doc/emacs/emacs.texi b/doc/emacs/emacs.texi
> index 6aed7bd92a..fd3997462f 100644
> --- a/doc/emacs/emacs.texi
> +++ b/doc/emacs/emacs.texi
> @@ -319,7 +319,7 @@ Top
>  * Cut and Paste::       Clipboard and selections on graphical displays.
>  * Accumulating Text::   Other methods to add text to the buffer.
>  * Rectangles::          Operating on text in rectangular areas.
> -* CUA Bindings::        Using @kbd{C-x}/@kbd{C-c}/@kbd{C-v} to kill and yank.
> +* Alternative Bindings:: Using @kbd{C-x}/@kbd{C-c}/@kbd{C-v} to kill and 
> yank.

"Alternative Bindings" has no mnemonic value.  Can we come up with a
better name?  How about "Common Editing Shortcuts"?

Also, the text should have something about what CUA is and how it is
related to this stuff.

Thanks.