bug#62940: 29.0.60; vc: no easy way to get diff of all outgoing changes

[Dmitry Gutov]

On 22/04/2023 16:17, Eli Zaretskii wrote:
> > From:sbaugh@catern.com
> > Date: Sat, 22 Apr 2023 13:00:48 +0000 (UTC)
> > Cc:sbaugh@janestreet.com,62940@debbugs.gnu.org,fgunbin@fastmail.fm
> >
> > 1. View a file buffer
> > 2. Hit C-x v O
> > 3. See outgoing changes only for that file
> I don't think it is TRT to change the behavior of "C-x v O" in the
> above scenario.  Because it will make it much harder to see the
> changes for all the files, since in Emacs you are almost always "in
> some file-visiting buffer".
>
> So the above can only be optional behavior, not the default.

We could add a couple of new commands, with -fileset- in their names. 
Couple - for incoming and outgoing.