[Dev-luatex] bug 345: Kerning is not perfect in math mode

[Taco Hoekwater]

Hans Hagen wrote:
> 
> can it be solved with extra info that travels with the glyphs? after 
> all, there are not that many math fonts and we could add extra info 
> (e.g. using fea files)

Fea files won't make anybody happy. If there is a real need, we can
add a new internal code table. But I would first like to hear whether
there are any objections to using the category code.