GNU bug report logs - #2761
Tibetan font selection broken

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Package: emacs;

Reported by: Kenichi Handa <handa <at> m17n.org>

Date: Tue, 24 Mar 2009 01:20:03 UTC

Severity: normal

Merged with 2722

Done: Kenichi Handa <handa <at> m17n.org>

Bug is archived. No further changes may be made.

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Report forwarded to bug-submit-list <at> lists.donarmstrong.com, Emacs Bugs <bug-gnu-emacs <at> gnu.org>:
bug#2761; Package emacs. (Tue, 24 Mar 2009 01:20:03 GMT) Full text and rfc822 format available.

Acknowledgement sent to Kenichi Handa <handa <at> m17n.org>:
New bug report received and forwarded. Copy sent to Emacs Bugs <bug-gnu-emacs <at> gnu.org>. (Tue, 24 Mar 2009 01:20:03 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Kenichi Handa <handa <at> m17n.org>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: emacs-pretest-bug <at> gnu.org
Subject: Re: Tibetan font selection broken
Date: Tue, 24 Mar 2009 10:11:43 +0900
In article <m23ad97bag.fsf <at> igel.home>, Andreas Schwab <schwab <at> linux-m68k.org> writes:

> This change:

> 2009-03-05  Kenichi Handa  <handa <at> m17n.org>

> 	* font.c (font_select_entity): New function.
> 	(font_find_for_lface): Use font_select_entity to select a font.

> 	* fontset.c (fontset_find_font): If a font found without
> 	restricting of the characters C doen't support C, try to find a
> 	font with C restriction.

> has broken display of tibetan characters.  The characters are no longer
> found in the gnu-unicode font.  Instead a weird, one-pixel wide empty
> box is shown for each font (see the attached snapshot).  I have also
> attached the font logs from before and after that change.

Actually this change revealed two bugs.

> The problem appears to be that the font encoding muletibetan-0 is
> unknown to Emacs.  The only reference is in
> face-font-registry-alternatives, which is not used by
> find_font_encoding.

Yes.  That's one bug.  I added an entry for muletibetan-0 in
font-encoding-alist.

Another bug is the handling of unknown encoding in X font
backend, which caused that weird one-pixel wide empty box.
I fixed that too.

But, please note that these fixes results in selecting the
font:
  -tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0
instead of the gnu-unicode font in your environment.

---
Kenichi Handa
handa <at> m17n.org




Reply sent to Kenichi Handa <handa <at> m17n.org>:
You have taken responsibility. (Tue, 24 Mar 2009 01:50:05 GMT) Full text and rfc822 format available.

Notification sent to Kenichi Handa <handa <at> m17n.org>:
bug acknowledged by developer. (Tue, 24 Mar 2009 01:50:06 GMT) Full text and rfc822 format available.

Message #10 received at 2761-done <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Kenichi Handa <handa <at> m17n.org>
To: 2761-done <at> debbugs.gnu.org
Subject: Re: bug#2761: Acknowledgement (Tibetan font selection broken)
Date: Tue, 24 Mar 2009 10:44:48 +0900
Opened by mistake.

---
Kenichi Handa
handa <at> m17n.org




bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> emacsbugs.donarmstrong.com. (Tue, 21 Apr 2009 14:24:13 GMT) Full text and rfc822 format available.

bug unarchived. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> debbugs.gnu.org. (Mon, 25 Jan 2010 23:10:03 GMT) Full text and rfc822 format available.

Merged 2722 2761. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> debbugs.gnu.org. (Mon, 25 Jan 2010 23:10:03 GMT) Full text and rfc822 format available.

bug archived. Request was from Debbugs Internal Request <bug-gnu-emacs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Tue, 23 Feb 2010 12:24:03 GMT) Full text and rfc822 format available.

This bug report was last modified 15 years and 121 days ago.

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