bug#64686: 30.0.50; Tar mode @PaxHeader bug

[Eli Zaretskii]

> From: "Basil L. Contovounesios" <contovob@tcd.ie>
> Cc: Devon Sean McCullough <emacs-hacker2017@jovi.net>,
>   64686@debbugs.gnu.org,  Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Fri, 28 Jul 2023 12:04:27 +0200
> 
> Thanks, but doesn't tar-parse-pax-extended-header mutate
> tar-attr-vector, which is initialised with a constant vector?
> 
> E.g. (aset [nil] 0 nil) would normally result in:
> Warning: ‘aset’ on constant vector (arg 1)
> 
> Is this a welcome change?

Yes, thanks.