Use expl3 ":D" names for LuaTeX primitives

[josephwright]

This avoids any issues with having to search for the primitives, but
does require an recent expl3.

[josephwright]

[Bump]

[wspr]

sorry for the slow action on this. I assume this means you want a CTAN release ASAP as well?

[davidcarlisle]

sorry for the slow action on this. I assume this means you want a CTAN
release ASAP as well?

It would be nice (although not really essential) if you could get it to
ctan before the next latex release
scheduled for 2015/10/01, just cuts down the number of variant interactions
that are out in the wild:-)

David

[josephwright]

@wspr I'll fix that name for the primitive and get expl3 to CTAN either today or tomorrow. You can then alter (again) the code line for suppressing the error and then it would be good to release. @davidcarlisle: I guess I will handle lualatex-math.

[wspr]

I'm not sure I was exactly suggesting it needed changing. But I guess it's confusing for a xetex person. Were you thinking of '\utex_suppressfont...' or something else?

[josephwright]

I've switched to \xetex_...: \utex... is only used for \U... primitives (ones which are tied to Unicode support in some way).