bug#65049: Minor update to the repro steps

[Dmitry Gutov]

On 25/08/2023 00:06, Dmitry Gutov wrote:
> > But before I do, could you
> > please try the recipe here:
> >
> > https://debbugs.gnu.org/cgi/bugreport.cgi?bug=65049#68
> >
> > but with the following change in step 4:
> >
> >    4. C-x RET f utf-8-dos RET
> >
> > That is, try the recipe on a Posix host with a file whose EOL format
> > is CRLF.  If that works without any changes in the current VC code, I
> > will be happy to make the first hunk Windows-specific.
>
> That works with the current emacs-29. Also tried with the patch applied 
> -- still works.

But here's a modification of the scenario that fails (again: both with 
and without the patch): replace step 9 with

  9. C-x v =

The non-root diff looks a little different to begin with: it doesn't 
show those ^M chars at the end of lines (whereas the result of 
vc-root-diff shows them). That is likely the reason: buffer set up in a 
different way.