GNU bug report logs - #3208
23.0.93; Memory full / crash when displaying lots of characters from a large font (like Arial Unicode or Code2000) which is not explicitly selected (on Win32)

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From: Jason Rumney <jasonr <at> gnu.org>
To: Kenichi Handa <handa <at> m17n.org>
Cc: 3208 <at> debbugs.gnu.org, schierlm <at> gmx.de
Subject: bug#3208: 23.0.93;	Memory full / crash when displaying lots of characters from a	large	font (like Arial Unicode or Code2000) which is not explicitly	selected (on Win32)
Date: Wed, 24 Jun 2009 18:43:35 +0800

Kenichi Handa wrote:
> In article <4A3F81AC.1070404 <at> gnu.org>, Jason Rumney <jasonr <at> gnu.org> writes:
>
>   
>> Part of the recipe is that you don't set Arial Unicode MS as the default 
>> font, you let the font fallback find it (in the case of the original 
>> report, or MS Mincho in my case).
>>     
>
> Although I still can't reproduce the problem

I wonder if the default font contains the character U+2203 in your case, 
since you are using a Japanese locale. Can you try reproducing it using 
the other characters suggested in the original message: U+2202 and U+FFFD?

In my case I only see the problem with U+2203 with emacs -Q, but I did 
originally reproduce the problem with one of those other characters 
after changing the default font to something else.

(let ((str (char-to-string (decode-char 'ucs #xFFFD))))
 (dotimes (i 16)
   (setq str (concat str str)))
 (insert str)
 (goto-char (point-min))
 (goto-char (point-max))
 (goto-char (point-min))
 (goto-char (point-max))
 (goto-char (point-min))
 (goto-char (point-max)))

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