[XeTeX] Use of Apple Symbols font in XeLaTeX
Jonathan Kew
jonathan_kew at sil.org
Fri Sep 17 14:50:30 CEST 2004
On 17 Sep 2004, at 1:27 pm, Bruno Voisin wrote:
> Le 17 sept. 04, ˆ 12:55, Jonathan Kew a Žcrit :
>
>> Does Omega include an extended \mathchar, by any chance? That might
>> provide a model for what should be done, but at present I don't think
>> you can encode character codes > 255 in a \mathchar.
>
> I think that Omega does this, though I cannot say more, not being an
> Omega user myself. From
> /usr/local/teTeX/share/texmf.tetex/doc/omega/base/doc-1.12.ps, p. 6:
>
> ½, on the other hand, allows 256 (2^8) font families, each font of 65
> 536 (2^16) characters. So, in addition to the TEX math font
> primitives, which continue to work, there are 16-bit versions:
> [...]
> ¥ \omathcharmath code;
> [...]
> where
> [...]
> ¥ Ð 3 bits for math category,
> Ð 8 bits for font family,
> Ð 16 bits for character in font,
> called a math code;
>
OK, so there's an \omathchar that is an extended version of \mathchar,
it seems. I haven't incorporated this into XeTeX, but I'll look into it
when I get a chance. I suspect what we'd need is to add full support
for .ofm (extended .tfm) files, etc., in order to get metrics for such
characters; merely allowing 16-bit character codes without providing
all the math-related metrics for them will not work.
Meanwhile, glad you've figured out a workaround for your immediate
needs.
JK
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