bug#64347: 30.0.50; Some customize faces shown as edited with -Q

[Eli Zaretskii]

> Date: Fri, 30 Jun 2023 11:05:33 -0300
> From: Mauro Aranda <maurooaranda@gmail.com>
> Cc: Stephen Berman <stephen.berman@gmx.net>, Eli Zaretskii <eliz@gnu.org>
> 
> To sum it up, I think there are bugs in custom-face-attributes. One is
> most surely a typo, and the other ones are oversights in the filters for
> the :underline and :box properties.  Fixing those, we are left with one
> bug, I think, that will be reproducible with Emacs -Q and evaluating:
> 
> (defface test
>    '((((supports :underline (:style wave)))
>       :underline (:color "Red1" :style wave))
>      (t
>       :inherit warning))
>    "...")
> 
> (defface test-2
>    '((((supports :underline (:style wave)))
>       :underline (:style wave :color "Red1"))
>      (t
>       :inherit warning))
>    "...")
> 
> M-x customize-face RET test
> will show STANDARD state
> 
> while
> M-x customize-face RET test-2
> will show EDITED state

Thanks.

Can you show a patch for the two bugs you've succeeded to identify?

Did you make any progress with the one bug that's left after the other
two are fixed?