[XeTeX] [unimath] Unicode-math strange results

[Ulrik Vieth]

On 06/06/2010 11:05 PM, Khaled Hosny wrote:
>> This usually means the value of RadicalRuleThikness is ignored and the
>> engine is falling back to the old TeX method (the hight of radical
>> glyph).

Yes, but why?  It doesn't seem to be font-dependent.
It also happens if I replace Cambria Math by XITS Math.

Could this be an architecture / library-dependent? (Linux, 64 bit)

Regards, Ulrik