bug#49204: 28.0.50; How to create new file in project by project-find-file

[Juri Linkov]

>> How can we know? Do you mean that it tells you that by asking to confirm
>> after you press RET?
>
> I mean we have to looks by our eyes :P
>
> Oh, you mentioned "confirm". Do you use magit? I see this package has
> a good UI/UX by default. If the user wants to push to a new branch is not
> exist, magit will a "confirm" question.

The same way as switch-to-buffer confirms a non-existent buffer with:

  C-x b non-existent TAB RET [Confirm]