GNU bug report logs - #1096
The Emacs 23 cann't display the cjk extb characters again.

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: hongyi.zhao <at> gmail.com
Subject: bug#1096 closed by Jason Rumney <jasonr <at> f2s.com> (Re: bug#1096: 
 The Emacs 23 cann't display the cjk extb characters again.)

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This is an automatic notification regarding your bug report
which was filed against the emacs,w32 package:

#1096: The Emacs 23 cann't display the cjk extb characters again.

It has been closed by Jason Rumney <jasonr <at> f2s.com>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Jason Rumney <jasonr <at> f2s.com> by
replying to this email.


-- 
1096: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=1096
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Jason Rumney <jasonr <at> f2s.com>
To: Kenichi Handa <handa <at> m17n.org>, 1096-done <at> debbugs.gnu.org
Cc: Chong Yidong <cyd <at> stupidchicken.com>, hongyi.zhao <at> gmail.com
Subject: Re: bug#1096: The Emacs 23 cann't display the cjk extb characters
 again.
Date: Thu, 11 Dec 2008 21:14:00 +0800

Kenichi Handa wrote:
> I've just installed a fix.  At least with Xft font backend,
> Emacs should be able to find a proper font for the Unicode
> SIP area (#x20000..#x2FFFF) now.
>   

In addition to that change, which should help with displaying those 
characters by default, it turns out there is a bug in the Windows 
function that we use to encode characters into glyph points when passed 
a surrogate pair. I've worked around it by using an oversized glyph buffer.

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From: hongyi.zhao <at> gmail.com
To: emacs-pretest-bug <at> gnu.org
Subject: The Emacs 23 cann't display the cjk extb characters again.
Date: Mon, 6 Oct 2008 10:25:47 +0800

[Message part 4 (text/plain, inline)]

Dear all,

Now, I updated the Emacs 23 to 23.0.60.1 (i386-mingw-nt5.1.2600) of 2008-10-03 on LENNART-69DE564, then I find that I cann't see the correct cjk extb characters displayed by this version.  For example, the Chinese character uni20021, a character of cjk extb, which can be displayed correctly by using the previous versions by LENNART, cann't be displayed correctly now.  In addition, I can display that character on my box with emeditor, denoting that I've the corresponding fonts installed correctly.  Finally, I've use the following settings in my _emacas file which is suggested by Kenichi Handa:

--------------
(if (display-graphic-p)
(set-fontset-font
 (frame-parameter nil 'font)
 '(#x20000 . #x2fa1d)
 '("*-Sun-ExtB" . "unicode-sip")))
--------------

Please find the snapshot of this issue in the attachments. 

Regards,
-- 
Hongyi Zhao <hongyi.zhao <at> gmail.com> 
Xinjiang Technical Institute of Physics and Chemistry
Chinese Academy of Sciences 
GnuPG DSA: 0xD108493
2008-10-5

[uni20021.txt (text/plain, attachment)]

[display_by_emeditor.png (image/png, attachment)]

[display_by_emacs.png (image/png, attachment)]

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