bug#58464: 28.1; browse-url-emacs doesn't work for local files on Windows

[Paul Eggert]

On 2022-10-13 04:30, Lars Ingebrigtsen wrote:
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > Thanks.  But this part:
> >
> >    -  if (NILP (handler) && !NILP (visit) && current_buffer->modtime.tv_nsec < 
> > 0)
> >    +  if (save_errno != 0)
> >
> > might cause us signal an error when VISIT is nil, something that
> > didn't happen before.

We should be OK there. If VISIT is nil, SAVE_ERRNO must be zero.

> > (I also am not sure it is 100% reliable to rely on save_errno being
> > non-zero whenever we encounter an error, especially in the
> > file-handlers case.)

Should be OK here too. In the file-handlers case, SAVE_ERRNO is zero.

I installed the attached to help document and check this.

0001-Improve-checks-for-recent-File-exists-fixup.patch
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