On Thu, 10 Jul 2025 03:37:40 +0800 "Zipei Lu" via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org> wrote:

> Here are the steps to reproduce the bug:
> 1. 'C-x d' to arbitrary directory without any version control repository.
> 2. Mark arbitrary number of files with 'm'.
> 3. Type 'C-x v v'.
>
> Then the mini buffer will display:
>
> No VC backend is responsible for c:/my/directory/
>
> According to GNU Emacs manual 30.1.3.1, 'C-x v v' is expected to create
> a new repository in the directory. However, 'C-x v v' can still be able to create
> new repository in the buffer of  a file(Not in the buffer of directory).

This patch seems to DTRT, at least on initial testing with -Q: