GNU bug report logs - #9514
24.0.50; eval + format weirdness

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Wolfgang Jenkner <wjenkner <at> inode.at>
Subject: bug#9514: closed (Re: 24.0.50; eval + format weirdness)
Date: Thu, 15 Sep 2011 16:19:02 +0000

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Your bug report

#9514: 24.0.50; eval + format weirdness

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 9514 <at> debbugs.gnu.org.

-- 
9514: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9514
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Wolfgang Jenkner <wjenkner <at> inode.at>
Cc: 9514-done <at> debbugs.gnu.org
Subject: Re: 24.0.50; eval + format weirdness
Date: Thu, 15 Sep 2011 09:14:02 -0700

Thanks for reporting that.
I fixed it in the trunk (bzr 105786).

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From: Wolfgang Jenkner <wjenkner <at> inode.at>
To: bug-gnu-emacs <at> gnu.org
Cc: eggert <at> cs.ucla.edu
Subject: 24.0.50; eval + format weirdness
Date: Thu, 15 Sep 2011 16:11:49 +0200

The form

(let* ((string (with-temp-buffer (insert "%%b") (buffer-string)))
       (form `(format ,string)))
  (list form
	(eval form)))

evaluates to

((format "%%b") "%bb")

but it should evaluate to

((format "%%b") "%b")

Note that bzr trunk rev. 104389 gives the correct result whereas
rev. 104390 gives the wrong result.

In GNU Emacs 24.0.50.1 (amd64-unknown-freebsd8.2, GTK+ Version 2.24.6)
 of 2011-09-13 on iznogoud.viz
Windowing system distributor `The X.Org Foundation', version 11.0.10707000
configured using `configure  'CC=gcc46' '--without-gsettings''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: en_US.UTF-8
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

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