[XeTeX] Special fonts in math environment?

[Will Robertson]

On 2009-09-17 00:31:50 +0930, Dervin Thunk 
<dervin.thunk at gmail.com> said:

> and although {\gothic \U+10330}, $\frac{{\gothic \U+10330}{234}}$ does
> not. Is this a technical limitation or am I doing something wrong?

Does that gothic symbol actually make sense in mathematics? If it's 
just a text string, you can write $\frac{\mbox{\gothic 
^^^^^10330}}{234}$ instead. (Or load amsmath/amstext and use \text 
instead of \mbox.)

Will