GNU bug report logs - #15405
24.3; #[] freezes emacs

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Package: emacs;

Reported by: Leo Liu <sdl.web <at> gmail.com>

Date: Wed, 18 Sep 2013 01:52:02 UTC

Severity: normal

Merged with 16512

Found in version 24.3

Fixed in version 24.4

Done: Barry OReilly <gundaetiapo <at> gmail.com>

Bug is archived. No further changes may be made.

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Message #53 received at 15405 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Barry OReilly <gundaetiapo <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>
Cc: stephen.berman <at> gmx.net, 15405 <at> debbugs.gnu.org, Leo Liu <sdl.web <at> gmail.com>
Subject: RE: bug#15405: 24.3; #[] freezes emacs
Date: Fri, 20 Sep 2013 09:21:27 -0700 (PDT)

>> Perhaps (eval #[]) should evaluate to [] instead of #[]?
>
> An alternative is to fix the counter intuitive fact that (eq [] [])
> is t. Doing so could break Elisp code that relies on the behavior, and
> possibly impact performance.

FWIW, this behavior was introduced only recently: 24.3.  It is true for
only this one Emacs release (so far).  It is an incompatible change from
Emacs prior to 24.3, where (eq [] []) is nil.
This bug report was last modified 11 years and 176 days ago.

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