bug#49786: 28.0.50; [PATCH] package-install shouldn't change default-directory

[Eli Zaretskii]

> From: dick <dick.r.chiang@gmail.com>
> Cc: Eli Zaretskii <eliz@gnu.org>,  49786@debbugs.gnu.org
> Date: Fri, 30 Jul 2021 21:27:02 -0400
> 
> Ah, my apologies.  The sole mention of `buffer-file-name` in `lisp-mnt.el`
> describes a hack that seemed custom-made for skirting the carriage return
> problem.
> 
> IK> Could you please elaborate a bit more what issue does this cause?
> 
> Now that the default-directory can change mid-stream in
> `package-install-file`, I will have to amend something that relied on it being
> constant.  It should be okay, particularly if bug#49788 gets merged.

Does this mean that if bug#49788 is fixed, we can close this bug
without any further action?  Or are there any further issues caused by
set-visited-file-name that you are aware of?