[XeTeX] Finding the right font family name

[Will Robertson]

Hi Barry,

I can't help with the font naming thing, but

> On another note, when the corrent family name is given to XeTeX,  
> there are a
> number of 'Arithmetic overflow' errors, but the resulting PDF looks  
> OK. Is this
> a known problem?

I'm not sure if I've seen this before. Can you make a minimal example?

Thanks,
Will