GNU bug report logs - #3136
23.0.92; Customized variables include state string

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Cameron Horsburgh <cammo <at> netcall.com.au>
To: emacs-pretest-bug <at> gnu.org
Cc: rfrancoise <at> debian.org
Subject: 23.0.92; Customized variables include state string
Date: Tue, 28 Apr 2009 07:24:48 +1000

When I change a string variable using the customize interface, the
line after the entry point for the string is included in the
string. So, customising the variable 'twitter-username' to 'fred' leads to:

,----
| 
|  '(twitter-username "fred
|    [State]: EDITED, shown value does not take effect until you set or save it.")
| 
`----

This behaviour has occurred for variables in several modes I have
tried to customise and is readily reproducible.


In GNU Emacs 23.0.92.1 (i486-pc-linux-gnu, GTK+ Version 2.16.1)
 of 2009-04-24 on elegiac, modified by Debian
 (emacs-snapshot package, version 1:20090423-1)
Windowing system distributor `The X.Org Foundation', version 11.0.10601000
configured using `configure  '--build' 'i486-linux-gnu' '--host' 'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/23.0.92/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.0.92/site-lisp:/usr/share/emacs/site-lisp' '--with-x=yes' '--with-x-toolkit=gtk' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -DSITELOAD_PURESIZE_EXTRA=5000 -g -O2' 'LDFLAGS=-g -Wl,--as-needed' 'CPPFLAGS=''

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

Major mode: Custom

Minor modes in effect:
  rcirc-track-minor-mode: t
  diff-auto-refine-mode: t
  desktop-save-mode: t
  shell-dirtrack-mode: t
  recentf-mode: t
  display-time-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
c t o r i a SPC f o r SPC s c h o o l SPC c h a m p 
s . <backspace> <backspace> . <return> SPC <tab> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> SPC SPC SPC SPC SPC A s s <backspace> 
<backspace> <backspace> E x p <tab> <down-mouse-5> 
<mouse-5> <down-mouse-5> <mouse-5> <down-mouse-5> <mouse-5> 
O t h e r : S c h o o l SPC C h a m p i o n s h i p 
s : T e a m SPC f e e <return> <tab> <home> SPC SPC 
SPC SPC SPC <end> <tab> <up> <end> <tab> SPC SPC SPC 
SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC <backspace> 
$ 1 4 0 . 0 0 C-x C-s <up> <down> C-x C-s <up> <up> 
<up> <up> <up> <up> <down> <down> <down> <down> <down> 
<home> C-SPC <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <up> <up> <up> <down> M-x 
<up> <up> <up> <return> ; <return> C-x C-s M-/ C-/ 
C-x C-s M-x c u s t o m <tab> - g r <tab> <return> 
t w i t t e r <return> <down-mouse-5> <mouse-5> <double-down-mouse-5> 
<double-mouse-5> <down-mouse-4> <mouse-4> <help-echo> 
<help-echo> <down-mouse-1> <help-echo> <mouse-movement> 
<mouse-1> <help-echo> <help-echo> <help-echo> <down-mouse-1> 
<mouse-1> <help-echo> <down-mouse-1> <mouse-1> <help-echo> 
<down-mouse-1> <mouse-1> <help-echo> <down-mouse-1> 
<mouse-1> <help-echo> <help-echo> <down-mouse-1> <help-echo> 
<mouse-movement> <mouse-1> <help-echo> <down-mouse-1> 
<down-mouse-2> <help-echo> <help-echo> <help-echo> 
<help-echo> <down-mouse-1> <down-mouse-5> <mouse-5> 
<help-echo> <help-echo> <down-mouse-1> <help-echo> 
<mouse-movement> <mouse-2> <down-mouse-4> <mouse-4> 
<help-echo> <down-mouse-1> <mouse-2> <help-echo> <down-mouse-5> 
<mouse-5> <double-down-mouse-5> <double-mouse-5> <triple-down-mouse-5> 
<triple-mouse-5> <down-mouse-4> <mouse-4> <double-down-mouse-4> 
<double-mouse-4> <triple-down-mouse-4> <triple-mouse-4> 
<down-mouse-5> <mouse-5> <down-mouse-4> <mouse-4> <down-mouse-4> 
<mouse-4> C-x C-s <help-echo> <help-echo> <help-echo> 
y e s <return> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <menu-bar> <help-menu> <se
nd-emacs-bug-report>

Recent messages:
Creating group members... 75%
Creating group magic...
Creating group state...
Creating group... done
Creating customization items ...done
Resetting customization items...done
Creating customization setup...done
byte-code: Beginning of buffer [2 times]
Saving file /home/cameron/.emacs...
Wrote /home/cameron/.emacs

Message #10 received at 3136 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Chong Yidong <cyd <at> stupidchicken.com>
To: Cameron Horsburgh <cammo <at> netcall.com.au>
Cc: 3136 <at> debbugs.gnu.org, rfrancoise <at> debian.org
Subject: Re: 23.0.92; Customized variables include state string
Date: Tue, 28 Apr 2009 00:16:17 -0400

> When I change a string variable using the customize interface, the
> line after the entry point for the string is included in the
> string. So, customising the variable 'twitter-username' to 'fred' leads
> to:
>
> ,----
> | 
> |  '(twitter-username "fred
> |    [State]: EDITED, shown value does not take effect until you set or
> |    save it.")
> | 
> `----
>
> This behaviour has occurred for variables in several modes I have
> tried to customise and is readily reproducible.

I can't reproduce this.  Please provide a precise recipe for reproducing
this, starting with `emacs -Q'.

Message #15 received at 3136 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Cameron Horsburgh <cammo <at> netcall.com.au>
To: Chong Yidong <cyd <at> stupidchicken.com>
Cc: Cameron Horsburgh <cammo <at> netcall.com.au>, 3136 <at> debbugs.gnu.org,
        rfrancoise <at> debian.org
Subject: Re: 23.0.92; Customized variables include state string
Date: Tue, 28 Apr 2009 20:12:35 +1000

On Tue, Apr 28, 2009 at 12:16:17AM -0400, Chong Yidong wrote:
> > When I change a string variable using the customize interface, the
> > line after the entry point for the string is included in the
> > string. So, customising the variable 'twitter-username' to 'fred' leads
> > to:
> >
> > ,----
> > | 
> > |  '(twitter-username "fred
> > |    [State]: EDITED, shown value does not take effect until you set or
> > |    save it.")
> > | 
> > `----
> >
> > This behaviour has occurred for variables in several modes I have
> > tried to customise and is readily reproducible.
> 
> I can't reproduce this.  Please provide a precise recipe for reproducing
> this, starting with `emacs -Q'.
> 

Thanks for your reply. Here's a blow by blow reproduction of trying
this with emacs -Q.

I move my existing .emacs out of the way, stop all running emacs
processes and call emacs -Q. Then I run M-x customize-variable. I need
to choose one that can be set to a string but has no initial value,
because I can change existing values without the problem behaviour
occurring. A good candidate is fill-prefix:

M-x customize-variable fill-prefix

I choose the option to set the variable to a string. I am given an
area to type my customisation. However, the input area also appears to
include the line immediately following, which refers to the state of
the variable. I enter a string (say, NonsenseString) into the
appropriate place and save with C-x C-s.

Then I look at my .emacs file:

C-x C-f ~/.emacs 

and I find:

,----
| 
| (custom-set-variables
|   ;; custom-set-variables was added by Custom.
|   ;; If you edit it by hand, you could mess it up, so be careful.
|   ;; Your init file should contain only one such instance.
|   ;; If there is more than one, they won't work right.
|  '(fill-prefix "NonsenseString
|    State: EDITED, shown value does not take effect until you set or save it."))
| (custom-set-faces
|   ;; custom-set-faces was added by Custom.
|   ;; If you edit it by hand, you could mess it up, so be careful.
|   ;; Your init file should contain only one such instance.
|   ;; If there is more than one, they won't work right.
|  )
| 
`----

I should also add that I have been able to follow this recipe in an
xterm and in the GTK GUI version of emacs. Thanks for your time in
helping get to the bottom of this!

-- 

Cameron Horsburgh

Blog: http://spiritcry.wordpress.com/

Message #18 received at 3136 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Cameron Horsburgh <cammo <at> netcall.com.au>
Cc: 3136 <at> debbugs.gnu.org, Chong Yidong <cyd <at> stupidchicken.com>,
        rfrancoise <at> debian.org
Subject: Re: bug#3136: 23.0.92; Customized variables include state string
Date: Tue, 28 Apr 2009 13:16:01 -0400

Cameron Horsburgh wrote:

> processes and call emacs -Q. Then I run M-x customize-variable. I need
> to choose one that can be set to a string but has no initial value,

Looks like my 2009-03-24 changes to wid-edit.el are to blame.

Message #23 received at 3136 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 3136 <at> debbugs.gnu.org, Cameron Horsburgh <cammo <at> netcall.com.au>,
        Chong Yidong <cyd <at> stupidchicken.com>, rfrancoise <at> debian.org
Subject: Re: bug#3136: 23.0.92; Customized variables include state string
Date: Tue, 28 Apr 2009 23:22:23 -0400

>> processes and call emacs -Q. Then I run M-x customize-variable. I need
>> to choose one that can be set to a string but has no initial value,
> Looks like my 2009-03-24 changes to wid-edit.el are to blame.

Shame on them,


        Stefan

Message #30 received at 3136-done <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: 3136-done <at> debbugs.gnu.org
Subject: Re: bug#3136: 23.0.92; Customized variables include state string
Date: Sat, 02 May 2009 19:45:39 -0400

2009-05-02  Glenn Morris  <rgm at gnu.org>

  * wid-edit.el (widget-specify-field, widget-field-value-get, character):
  Revert 2009-03-24 change, since it causes a more serious problem than
  the one it solves.  (Closes Bug#3136, reopens Bug#2689.)

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