From: Eli Zaretskii <eliz@gnu.org>
To: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Cc: 12364@debbugs.gnu.org
Subject: bug#12364: 24.2.50; wrong overhang display for gstring compositions
Date: Thu, 06 Sep 2012 11:18:23 +0300 [thread overview]
Message-ID: <83k3w7d0og.fsf@gnu.org> (raw)
In-Reply-To: <wlwr07zxjt.wl%mituharu@math.s.chiba-u.ac.jp>
> Date: Thu, 06 Sep 2012 11:37:26 +0900
> From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
>
> Steps to Reproduce:
>
> 1. $ emacs -Q &
> 2. evaluate (set-fontset-font t 'arabic (font-spec :family "arial" :size 30))
> 3. C-u C-\ arabic RET
> 4. u S u
> At this moment, the two grapheme clusters look connected.
> 5. C-b C-p
> Now the two grapheme clusters look unconnected.
Not reproducible on Windows XP.
Are you using the latest libm17n-flt and libotf libraries, and the
latest fonts?
> I think at least the two occurrences of the following line in xdisp.c
> are wrong.
>
> int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars);
>
> The value of s->cmp seems to be NULL for the "gstring" cases.
These two lines are not executed here, when the above recipe is used.
Maybe that's why I don't see the problem.
next prev parent reply other threads:[~2012-09-06 8:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-06 2:37 bug#12364: 24.2.50; wrong overhang display for gstring compositions YAMAMOTO Mitsuharu
2012-09-06 8:18 ` Eli Zaretskii [this message]
2012-09-07 8:47 ` YAMAMOTO Mitsuharu
2012-09-11 4:01 ` YAMAMOTO Mitsuharu
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