bug#55632: [PATCH] Add new user option project-vc-find-tracked-only

[Eli Zaretskii <eliz@gnu.org>]

> Date: Fri, 3 Jun 2022 02:45:19 +0300
> Cc: 55632@debbugs.gnu.org, raaahh@gmail.com
> From: Dmitry Gutov <dgutov@yandex.ru>
> 
> On 02.06.2022 22:19, Eli Zaretskii wrote:
> > Can we please tell more about what does "include untracked files"
> > mean?  Include where and in what sense?
> 
> Has them considered to be part of the project. Which in practice means 
> including them in a project's list of files. For the purposes for 
> project-find-file, project-find-regexp, and all other commands that 
> build on top of 'project-files'.
> 
> How would you phrase that better?

Something like this:

  If non-nil, files untracked by a VCS are considered to be part of
  the project by a VC project based on that VCS.

> > Bonus points for explaining
> > this without ever alluding to "backend", as that is not necessarily a
> > user-level concept in this case.
> 
> The variable only affects a particular backend. It's only meaningful 
> when there is a VCS anyway.

I understand.  My point was to avoid using the word "backend" in
user-level documentation, as much as possible.

> > Also, is it "VC project backend" or "Project's VC backend"?
> 
> I would say both mean the same thing, but the latter seems to be more 
> unambiguous.

Well, if you are okay with my alternative wording above, it solves
this problem as well.