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From: Barry Margolin <barmar@alum.mit.edu>
To: help-gnu-emacs@gnu.org
Subject: Re: Modifying literal lists in Emacs lisp?
Date: Fri, 13 Jun 2014 11:57:28 -0400	[thread overview]
Message-ID: <barmar-65F902.11572813062014@news.eternal-september.org> (raw)
In-Reply-To: mailman.3583.1402673918.1147.help-gnu-emacs@gnu.org

In article <mailman.3583.1402673918.1147.help-gnu-emacs@gnu.org>,
 Nicolas Petton <petton.nicolas@gmail.com> wrote:

> Hi,
> 
> In Common Lisp one should not modify literal lists because of possible
> shared conses.
> 
> I was wondering if it is the same in Emacs Lisp, but I couldn't find
> anything in the documentattion.

Yes, you should not do it for the exact same reason. There have been 
many threads in the Emacs newsgroups about the failures that result.

I don't know if it's documented (I've been searching and can't find it 
either), but it works essentially the same way as in CL.

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***


       reply	other threads:[~2014-06-13 15:57 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.3583.1402673918.1147.help-gnu-emacs@gnu.org>
2014-06-13 15:57 ` Barry Margolin [this message]
2014-06-13 18:59 ` Modifying literal lists in Emacs lisp? Stefan Monnier
2014-06-13 10:14 Nicolas Petton
2014-06-13 16:01 ` Drew Adams
2014-06-13 20:13 ` Nicolas Richard
2014-06-13 22:07   ` Nicolas Petton

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