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From: Kenichi Handa <handa@m17n.org>
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Subject: Re: Fraktur
Date: Fri, 16 Jan 2009 13:05:33 +0900
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Cc: alinsoar@voila.fr, help-gnu-emacs@gnu.org, emacs-devel@gnu.org
To: Jason Rumney <jasonr@gnu.org>
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In article <496791C2.8030308@gnu.org>, Jason Rumney <jasonr@gnu.org> writes:

> A. Soare wrote:
> > I try to use the german Fraktur, and I tried
> >
> > (standard-display-ascii ?a  (vector (decode-char 'ucs #x1D400)))
> >
> > , however the unicode character is not present. I see a box instead of the german `A`; Is there a possibility to use Fraktur in emacs?
> >   

> Only in Emacs-23 (from CVS), and then probably only if you've taught 
> Emacs which font contains that character (by default, Emacs does not 
> have very sophisticated rules for choosing fonts for Unicode Plane 1 
> characters):

The rule Emacs currently has for choosing a font for Unicode
Plane 1 is to find a font supporting a scpecifc script.  For
instance, U+1D400 belongs to `mathematical' script, so Emacs
searches fonts supporting that script. And, xft font-backend
uses `script-representative-chars' to do such searching.  Ad
the representative charcters of `mathematical' is U+1D400,
xft font-backend searches fonts that support U+1D400.

How does the font-backend for Windows searches fonts for a
specific script?

---
Kenichi Handa
handa@m17n.org