GNU bug report logs - #3452
23.0.94; display

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Chong Yidong <cyd <at> stupidchicken.com>
Cc: 3452 <at> debbugs.gnu.org, handa <at> m17n.org
Subject: bug#3452: 23.0.94; display
Date: Sun, 07 Jun 2009 10:30:20 -0400

> From: Chong Yidong <cyd <at> stupidchicken.com>
> Cc: 3452 <at> emacsbugs.donarmstrong.com,  handa <at> m17n.org
> Date: Sun, 07 Jun 2009 09:56:05 -0400
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Btw, I don't understand how these characters are related to
> > compositions.  They should not be composed with anything, they always
> > stand for themselves.
> 
> I didn't know that.  This means there is a bug in either
> find_composition (called from composition_compute_stop_pos) or
> next_element_from_composition (called from next_element_from_buffer),
> because the following code in next_element_from_buffer (xdisp.c:6519) is
> triggered for this character:
> 
>   if (CHAR_COMPOSED_P (it, IT_CHARPOS (*it), IT_BYTEPOS (*it))
>       && next_element_from_composition (it))
>     {
>        return 1;
>     }

I hope Handa-san could shed some light on this issue.

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