2012/5/9 Taco Hoekwater <taco at elvenkind.com>: > That said, probably the result of (\the)\mathcode can be reverted > back to compatibility with TeX82, and output a warning (and zero) > if the actual value is out-of-range (like XeTeX does). I would actually prefer that (or rather, generate an error). Better fail loudly than silently.