Re: [kzeitler@sfsws1.de.lucent.com: Buffer sometimes changes to modified with truncate-partial-width-windows set to nil]

From: Chong Yidong <cyd@stupidchicken.com>
Cc: kifer@cs.sunysb.edu, emacs-devel@gnu.org
Subject: Re: [kzeitler@sfsws1.de.lucent.com: Buffer sometimes changes to modified with truncate-partial-width-windows set to nil]
Date: Thu, 10 Aug 2006 18:50:19 -0400	[thread overview]
Message-ID: <874pwkkxxw.fsf@stupidchicken.com> (raw)
In-Reply-To: <E1GAz72-0002m1-E1@fencepost.gnu.org> (Richard Stallman's message of "Wed, 09 Aug 2006 21:13:28 -0400")

Richard Stallman <rms@gnu.org> writes:

> This bug is important to fix.  It probably has to do with the recent
> font-lock changes.  Would someone please start working on it?

I think Stefan fixed this already.

2006-08-02  Stefan Monnier  <monnier@iro.umontreal.ca>

	* jit-lock.el (jit-lock-fontify-now): Preserve the buffer's
	modification status when forcing the second redisplay.

> From: Klaus Zeitler <kzeitler@sfsws1.de.lucent.com>
> Subject: Buffer sometimes changes to modified with
> 	truncate-partial-width-windows set to nil
> To: emacs-pretest-bug@gnu.org
>
> 1. start emacs -Q
> 2. in scratch buffer evaluate the following 2 expressions
> (setq ediff-split-window-function 'split-window-horizontally)
> (setq truncate-partial-width-windows nil)
> 3. M-x ediff-files file1 file2
>
> Now when I move (with <n> in Ediff Control Panel) from diff to diff, it's
> only a matter of time till at least one of the buffers changes the
> buffer-modified flag without any apparent reason.
>
>
>
> In GNU Emacs 22.0.50.7 (sparc-sun-solaris2.8, Motif Version 2.1.0)
>  of 2006-08-09 on sfsws4
> X server distributor `Sun Microsystems, Inc.', version 11.0.6410
> configured using `configure '--with-gcc' '--prefix=/vol/freeware/SunOS-5.8/emacs/cvs' '--sharedstatedir=/vol/freeware/SunOS-5.8/emacs/cvs/share' '--with-x-toolkit=motif' '--x-includes=/usr/openwin/include:/usr/local/gnu/include:/opt/exp/gnu/include:/opt/exp/include:/opt/exp/lib/xpm/include' '--x-libraries=/usr/openwin/lib:/usr/local/gnu/lib:/opt/exp/gnu/lib:/opt/exp/lib:/opt/exp/lib/xpm/lib' '--with-pop' 'CC=gcc''
>
> 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: C
>   locale-coding-system: nil
>   default-enable-multibyte-characters: t
>
> Major mode: Lisp Interaction
>
> Minor modes in effect:
>   tooltip-mode: t
>   tool-bar-mode: t
>   mouse-wheel-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   blink-cursor-mode: t
>   unify-8859-on-encoding-mode: t
>   utf-translate-cjk-mode: t
>   auto-compression-mode: t
>   line-number-mode: t
>
> Recent input:
> <help-echo> <help-echo> <help-echo> <menu-bar> <help-menu> 
> <report-emacs-bug>
>
> Recent messages:
> (/usr/local/gnu/cvs/head/bin/emacs -Q)
> For information about the GNU Project and its goals, type C-h C-p.
> Loading emacsbug...
> Loading regexp-opt...done
> Loading emacsbug...done
>
>
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