Re: `raise' display property

[Kenichi Handa]

In article <address@hidden>, Stefan Monnier <address@hidden> 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
address@hidden