GNU bug report logs - #45428
27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face

Previous Next

Full log

Message #23 received at 45428 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Eli Zaretskii <eliz <at> gnu.org>, Markus Triska <triska <at> metalevel.at>
Cc: larsi <at> gnus.org, stefan <at> marxist.se, 45428 <at> debbugs.gnu.org,
 drew.adams <at> oracle.com
Subject: RE: bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works
 as anonymous face
Date: Sun, 27 Dec 2020 11:06:03 -0800 (PST)

> > In my own configuration and Emacs Lisp programs, I would strongly prefer
> > to rely only on documented features of Emacs, and I would like Emacs to
> > at least warn me if my code starts to rely on features that are not
> > officially supported and hence may change more readily in the future.
> 
> 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?  That's the
question relevant for this bug, I think.

Does anyone even know why this undocumented,
unlispy, and bizarre exception was made here?

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.