bug#41890: 28.0.50; [PATCH]: Add bindings for project.el

[Juri Linkov]

>> BTW, shouldn't 'C-x p v' be bound to the whole vc prefix map?
>> So 'C-x p v d' will run vc-dir in the project root dir,
>> 'C-x p v =' - vc-root-diff in the project root dir,
>> 'C-x p v v' - project's vc-next-action, etc.
>
> That might be over-engineering it a bit.
>
> Considering that in the vast majority of cases the VC root and the project
> root are going to be the same.
>
> So the users will get the same results from 'C-x p v =' as from 'C-x v D',
> and 'C-x p v d' would usually be the same as 'C-x v d' (but having one
> binding for the cases when it's different is fine, I guess).
>
> How would 'C-x p v v' differ from 'C-x v v'?

Actually my question would be better formulated like this:

Should we reserve the key 'C-x p v' as a prefix map for possible future
extensions when such need to add more vc keys will arise?
Currently I see no such need, but who knows.