GNU bug report logs - #17666
24.3.91; [regression] call-process in read-only buffers

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: "Roland Winkler" <winkler <at> gnu.org>
Subject: bug#17666: closed (Re: bug#17666: 24.3.91; [regression]
 call-process in read-only buffers)
Date: Mon, 02 Jun 2014 18:15:02 +0000

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Your bug report

#17666: 24.3.91; [regression] call-process in read-only buffers

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 17666 <at> debbugs.gnu.org.

-- 
17666: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17666
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: "Roland Winkler" <winkler <at> gnu.org>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 17666-done <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#17666: 24.3.91; [regression] call-process in read-only buffers
Date: Mon, 2 Jun 2014 13:14:15 -0500

On Mon Jun 2 2014 Glenn Morris wrote:
> If you know it isn't going to produce any output, why don't you
> just discard the output instead of sending it to a read-only
> buffer (which is something that really doesn't make sense)?

Certainly, there are various ways around this.

In my case, I cannot remember anymore in all detail why I wrote the
code the way I did.  I expect that I was really *expecting* to have
no output.  Also, in my case, the call of call-process is associated
with a buffer that is most often read-only. So using a read-only
buffer for the process output was probably my cheap solution to keep
track of "really no output".

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From: "Roland Winkler" <winkler <at> gnu.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.91; [regression] call-process in read-only buffers
Date: Mon, 02 Jun 2014 10:01:52 -0500

evaluate the following with emacs -Q

;; running a process with no output via call-process
;; in any read-only buffer will do
(with-temp-buffer
  (let ((buffer-read-only t))
    (call-process "true" nil t)))

No problem with emacs 24.3

24.3.91:  Buffer is read-only: #<killed buffer>



In GNU Emacs 24.3.91.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.4.2)
 of 2014-05-12 on regnitz
Windowing system distributor `The X.Org Foundation', version 11.0.11103000
System Description:	Ubuntu 12.04.4 LTS

Important settings:
  value of $LC_COLLATE: C
  value of $LANG: en_US.ISO-8859-15
  locale-coding-system: iso-latin-9-unix

Major mode: Lisp Interaction

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