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

[Eli Zaretskii]

> Date: Sun, 27 Dec 2020 11:06:03 -0800 (PST)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: drew.adams@oracle.com, larsi@gnus.org, stefan@marxist.se,
>         45428@debbugs.gnu.org
> 
> > 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.