On Sat, 08 May 2010 22:51:18 +0200 Angelo Graziosi <angelo.graziosi@alice.it> wrote:

> Il 08/05/2010 22.05, Eli Zaretskii ha scritto:
>>> Date: Sat, 08 May 2010 21:48:07 +0200
>>> From: Angelo Graziosi<angelo.graziosi@alice.it>
>>>
>>> Perhaps you already know this problem, but I want to flag it for
>>> completeness.
>>
>> No, I didn't.
>>
>>> When I add
>>>
>>> (setq-default bidi-display-reordering t)
>>>
>>> to my ~/.emacs file causes Emacs (current trunk) to hang when I try to
>>> visit a PDF or JPG file (docview-mode).
>>
>> Please show a full recipe, starting with "emacs -Q".  Thanks.
>
> The simplest way I found (but I am sure there is another more simpler) is:
>
> emacs -Q &
>
> then in scratch buffer evaluate (C-M-x):
>
> (setq-default bidi-display-reordering t)
>
>
> Then C-x C-f pdf_or_jpg_file
>
> Here  Emacs hangs ('top' shows 100% CPU!)

I just tried this recipe on GNU Emacs 24.0.50.2 (i686-pc-linux-gnu, GTK+
Version 2.18.6) of 2010-05-08 on escher with a JPG file and Emacs dumped
core.  The gdb backtrace from the core file is attached.

Steve Berman