bug#62126: 26.3; Doc of `dired-do(-async)-shell-command': mention `dired-guess-shell-command'

[Eli Zaretskii]

> Resent-To: bug-gnu-emacs@gnu.org
> Cc: 62126-done@debbugs.gnu.org
> Date: Sun, 12 Mar 2023 10:42:06 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > From: Drew Adams <drew.adams@oracle.com>
> > Date: Sat, 11 Mar 2023 17:58:10 +0000
> > 
> > It would help if the doc of these commands (and others that use
> > `dired-read-shell-command') mentioned that if `dired-x' is loaded then
> > they make use of option `dired-guess-shell-command' to guess an
> > appropriate default value (command).
> 
> It already does, in Emacs 27 and later.

Actually, I see that in Emacs 26.3 as well, so I'm not sure why you
didn't.  Maybe you didn't mention all the commands you had in mind?