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From: Kenichi Handa <handa@m17n.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: `raise' display property
Date: Fri, 13 Jun 2008 21:29:59 +0900	[thread overview]
Message-ID: <E1K78Pn-0003Z5-8R@etlken.m17n.org> (raw)
In-Reply-To: <jwviqwfsp4p.fsf-monnier+emacs@gnu.org> (message from Stefan Monnier on Wed, 11 Jun 2008 16:23:23 -0400)

In article <jwviqwfsp4p.fsf-monnier+emacs@gnu.org>, Stefan Monnier <monnier@iro.umontreal.ca> writes:

> Let's say I have a LaTeX file foo.tex which just contains:

>    $to^to$

> Emacs crashes if I open it with "emacs -Q ~/tmp/foo.tex".
> The crash happens when handling the `raise' display property added by
> font-lock in response to the ^.
> The segfault is in xdisp.c around line 4173:

> #ifdef HAVE_WINDOW_SYSTEM
>       value = XCAR (XCDR (spec));
>       if (NUMBERP (value))
> 	{
> 	  struct face *face = FACE_FROM_ID (it->f, it->face_id);
> 	  it->voffset = - (XFLOATINT (value)
> 			   * (FONT_HEIGHT (face->font)));
> 	}
> #endif /* HAVE_WINDOW_SYSTEM */

> where face->font is NULL.

This part of code surely has to check face->font before
calling FONT_HEIGHT, but it's strange that Emacs couldn't
find a font for `t with `superscript' face.

Please show me the result of M-x font-show-log RET?

---
Kenichi Handa
handa@ni.aist.go.jp




  reply	other threads:[~2008-06-13 12:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-11 20:23 `raise' display property Stefan Monnier
2008-06-13 12:29 ` Kenichi Handa [this message]
2008-06-14 19:31   ` Stefan Monnier
2008-06-17 15:59   ` Stefan Monnier
2008-06-20  1:16     ` Kenichi Handa

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