GNU bug report logs - #1013
23.0.60; permanent-local not honored for word-wrap

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: "Lennart Borgman (gmail)" <lennart.borgman <at> gmail.com>
Subject: bug#1013: marked as done (23.0.60; permanent-local not honored 
 for word-wrap)

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Your message dated Mon, 22 Sep 2008 16:37:22 +0200
with message-id <48D7ADA2.4030605 <at> gmail.com>
and subject line Re: bug#1013: 23.0.60; permanent-local not honored for word-wrap
has caused the Emacs bug report #1013,
regarding 23.0.60; permanent-local not honored for word-wrap
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
1013: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=1013
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: "Lennart Borgman (gmail)" <lennart.borgman <at> gmail.com>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.0.60; permanent-local not honored for word-wrap
Date: Sun, 21 Sep 2008 22:31:49 +0200

In a new buffer evaluate this:

  (put 'word-wrap 'permanent-local t)
  (setq word-wrap t)
  (kill-all-local-variables)

and then look at word-wrap. It is nil, but it should be t.


In GNU Emacs 23.0.60.1 (i386-mingw-nt5.1.2600)
 of 2008-09-18
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --no-opt --cflags
-Ic:/g/include -fno-crossjumping'

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From: "Lennart Borgman (gmail)" <lennart.borgman <at> gmail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 1013-done <at> debbugs.gnu.org
Subject: Re: bug#1013: 23.0.60; permanent-local not honored for word-wrap
Date: Mon, 22 Sep 2008 16:37:22 +0200

Stefan Monnier wrote:
>>   (put 'word-wrap 'permanent-local t)
>>   (setq word-wrap t)
>>   (kill-all-local-variables)
> 
>> and then look at word-wrap. It is nil, but it should be t.
> 
> Why should it?  word-wrap is automatically made local, so the `setq' is
> really like (set (make-local-variable 'word-wrap) t), thus not changing
> the global value at which is you'll be looking in the end.


I just tested with truncate-lines. Same bug as with word-wrap.

Both `word-wrap' and `truncate-lines' are defined using
DEFVAR_PER_BUFFER. My guess is that there is a bug in DEFVAR_PER_BUFFER
or something related to that.

Stefan, could it be that you forgot about `permanent-local' when you
implemented this?

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