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bug#19790: [PATCH] destructive splicing in backquote
From: |
Eli Zaretskii |
Subject: |
bug#19790: [PATCH] destructive splicing in backquote |
Date: |
Sat, 14 Sep 2019 10:15:24 +0300 |
> From: Stefan Kangas <stefan@marxist.se>
> Date: Sat, 14 Sep 2019 01:59:30 +0200
> Cc: Robin Templeton <robin@terpri.org>, 19790@debbugs.gnu.org,
> Michael Heerdegen <michael_heerdegen@web.de>
>
> > I think the conclusion to the discussion was that we do not want to
> > support the ,. operation in Emacs Lisp.
> >
> > (setq .foo 1)
> >
> > `((,.foo))
> > => (((\,\. foo)))
> >
> > So we should remove this feature completely, because that's obviously a
> > bug...
>
> Thanks to Michael Heerdegen's pointers, I could come up with a patch.
> Would something like the attached do the job? It simply removes this
> feature and adds a test.
Adding Stefan who was involved in the discussion back then.
I have no opinion about the change, but I think this should be in
NEWS.
Thanks.
bug#19790: [PATCH] destructive splicing in backquote, Lars Ingebrigtsen, 2019/09/14