Subject: bug#53294: 29.0.50; Indirect font changes incorrectly affecting original buffer

From: Stefan Monnier <[email-masked]>
Date: Thu, 17 Feb 2022 08:38:08 -0500

>> I think `mapcar #'copy-sequence` is slightly more correct than
>> `copy-tree`,
>
> This gives me  "Wrong type argument: listp, mini-modeline-mode-line-active"
> For a face-remapping-alist that looks like:
> ((mode-line-active . mini-modeline-mode-line-active)
>  (mode-line-inactive . mini-modeline-mode-line-inactive))

I pushed a patch to `master` which should fix it.  Can you confirm that
it fixes it for you?

        Stefan