[lltx] issue with unicode-math, spanish and LuaLaTeX

[Philipp Stephani]

Am 14.07.2011 um 09:39 schrieb Will Robertson:

> (Sent from my phone.)
> 
> On 13/07/2011, at 0:39, Taco Hoekwater <taco at elvenkind.com> wrote:
> 
>> Actually, that does not mean I think it is a good idea. The
>> conceptual problem is that \XeTeXmathcodenum (and therefore
>> also \Umathcodenum) can return a signed int to represent an
>> unsigned value, with is pretty horrible.
> 
> An alternate from the TeX point of view could be to add commands like
> 
> \Umathclass
> \Umathfam
> \Umathslot
> 
> to extract the relevant bits of information to pass to a subsequent \Umathchardef, say.

and/or \Umathcode could be turned into a convert command that prints the class/family/code point combination in the format that \Umathchardef expects.