GNU bug report logs - #12577
24.1; regression in with-timeout in emacs24

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#12577: closed (24.1; regression in with-timeout in emacs24)
Date: Wed, 10 Oct 2012 06:36:02 +0000

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Your message dated Wed, 10 Oct 2012 02:35:03 -0400
with message-id <4csj9mu960.fsf <at> fencepost.gnu.org>
and subject line Re: bug#12577: 24.1; regression in with-timeout in emacs24
has caused the debbugs.gnu.org bug report #12577,
regarding 24.1; regression in with-timeout in emacs24
to be marked as done.

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help-debbugs <at> gnu.org.)


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From: Vivek Dasmohapatra <vivek <at> etla.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.1; regression in with-timeout in emacs24
Date: Thu, 04 Oct 2012 18:14:43 +0100

The behaviour of with-timeout appears to have changed radically:

(with-timeout (5 "BLERG") (ignore "things") (message "HELLO"))

In emacs23:

The message form is executed and the return value is that of the 
message invocation ("HELLO").

In emacs24:

All forms after the first form in the BODY are ignored. They 
are not executed at all (not just a case of prog1 vs progn behaviour).
The return value is that of the first form in the body (ie the only
one that gets executed).

This is at odds with the documentation, which does not indicate
that any such change has occurred.

In addition, I am told that the interpretation of the 

   (SECONDS TIMEOUT-FORMS) 

part of the forms arguments has changed: 
It now appears to be interpreted as:

  (sec1 time1 ) (sec2 time2) … 

Instead.

I have confirmed the first difference in behaviour with several people
in #emacs on freenode, so it does not appear to be specific to my 
site.
----------------------------------------------------------------------------

In GNU Emacs 24.1.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.10)
 of 2012-08-23 on noise, modified by Debian
Windowing system distributor `The X.Org Foundation', version
 11.0.11203000
Configured using:
 `configure '--build' 'x86_64-linux-gnu' '--build' 'x86_64-linux-gnu'
 '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib'
 '--localstatedir=/var/lib' '--infodir=/usr/share/info'
 '--mandir=/usr/share/man' '--with-pop=yes'
 '--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.1/site-lisp:/usr/share/emacs/site-lisp'
 '--with-crt-dir=/usr/lib/x86_64-linux-gnu' '--with-x=yes'
 '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars'
 'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -fstack-protector
 --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall'
 'CPPFLAGS=-D_FORTIFY_SOURCE=2''

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From: Glenn Morris <rgm <at> gnu.org>
To: 12577-done <at> debbugs.gnu.org
Subject: Re: bug#12577: 24.1; regression in with-timeout in emacs24
Date: Wed, 10 Oct 2012 02:35:03 -0400

Version: 24.3

>>    (SECONDS TIMEOUT-FORMS) 
>>
>> part of the forms arguments has changed: 
>> It now appears to be interpreted as:
>>
>>   (sec1 time1 ) (sec2 time2) … 
>
> I don't see it. Can you give an example?

Closing because I fixed the main issue and there has been no further
explanation of what this other issue might be.

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