GNU bug report logs - #2190
23.0.90; Repeated composed characters are displayed wrong.

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

From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.0.90; Repeated composed characters are displayed wrong.
Date: Wed, 04 Feb 2009 19:01:17 +0900

Steps to reproduce:
  1. $ emacs -Q
  2. (insert 101 769 101 769 101 769) C-j

Result:
  Only one composed character is shown.

				     YAMAMOTO Mitsuharu
				mituharu <at> math.s.chiba-u.ac.jp

In GNU Emacs 23.0.90.1 (powerpc-apple-darwin9.6.0, X toolkit)
 of 2009-02-04 on yamamoto-mitsuharu-no-power-mac-g5.local
Windowing system distributor `The X.Org Foundation', version 11.0.10300000
configured using `configure  '--without-jpeg' '--without-gif' '--without-tiff''

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: ja_JP.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  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
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

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

From: Jason Rumney <jasonr <at> gnu.org>
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>,
        2190 <at> debbugs.gnu.org
Cc: emacs-pretest-bug <at> gnu.org
Subject: Re: bug#2190: 23.0.90; Repeated composed characters are displayed
 wrong.
Date: Wed, 04 Feb 2009 21:23:19 +0900

YAMAMOTO Mitsuharu wrote:
> Steps to reproduce:
>   1. $ emacs -Q
>   2. (insert 101 769 101 769 101 769) C-j
>
> Result:
>   Only one composed character is shown.
>   

Here (on Windows), I initially see two, but one disappears after I C-u 
C-x = on it.

Message #20 received at 2190 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Jason Rumney <jasonr <at> gnu.org>
To: Jason Rumney <jasonr <at> gnu.org>, 2190 <at> debbugs.gnu.org
Cc: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Subject: Re: bug#2190: 23.0.90; Repeated composed characters are displayed
 wrong.
Date: Wed, 04 Feb 2009 22:20:37 +0900

Jason Rumney wrote:
> YAMAMOTO Mitsuharu wrote:
>> Steps to reproduce:
>>   1. $ emacs -Q
>>   2. (insert 101 769 101 769 101 769) C-j
>>
>> Result:
>>   Only one composed character is shown.
>>   
>
> Here (on Windows), I initially see two, but one disappears after I C-u 
> C-x = on it.

In addition to the above, I see all three composed characters if I move 
point through them a character at a time. This shows that the position 
of the following nil is off by one also (but corrects as I move 
through). C-l  results in one composed character being shown with the 
position of the following nil being off by two.

Message #25 received at 2190-done <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Kenichi Handa <handa <at> m17n.org>
To: 2190-done <at> debbugs.gnu.org
Subject: Re: bug#2190: 23.0.90; Repeated composed characters are displayed
Date: Thu, 12 Feb 2009 15:38:53 +0900

Fixed by this change.

2009-02-12  Kenichi Handa  <handa <at> m17n.org>
[...]
	* xdisp.c (fill_gstring_glyph_string): Adjusted for the change of
	<struct glyph>.u.cmp.to.  Check if the glyph belongs to the same
	composition.

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

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