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

[Eli Zaretskii]

> Date: Sat, 22 Apr 2023 21:33:35 +0300
> Cc: sbaugh@janestreet.com, 62940@debbugs.gnu.org, fgunbin@fastmail.fm
> From: Dmitry Gutov <dmitry@gutov.dev>
> 
> On 22/04/2023 16:17, Eli Zaretskii wrote:
> > 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.

That would work, of course.