Subject: bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face

From: Eli Zaretskii <[email-masked]>
Date: Sun, 27 Dec 2020 21:18:12 +0200

> Date: Sun, 27 Dec 2020 11:06:03 -0800 (PST)
> From: Drew Adams <[email-masked]>
> Cc: [email-masked], [email-masked], [email-masked],
>         [email-masked]
> 
> > You should indeed rely on documented behavior.  But that doesn't mean
> > Emacs cannot have undocumented behavior, especially when it is a side
> > effect of the specific implementation of some documented feature.
> 
> Agreed.  But what is the specific need for this
> particular undocumented behavior?

Who said there's a need?  AFAIU, it's just an implementation artifact.