[luatex] macros to invoke lua in LaTeX

[Taco Hoekwater]

Karl Berry wrote:
>     the name of the wrapper for \directlua0. 
> 
> What does it do?
> 
>     invoke lua code with a small macro, so I thought \pkglua would be good, 
> 
> How about \luadirect?

You could also consider just using \directlua, like so:

   \def\directlua{\directlua0}

The multi-state support will be marked deprecated in 0.40 and removed
in 0.50.

Best wishes,
Taco