Re: [Dev-luatex] register a callback on macro expansion?

20 Feb 2007

      Hi,

2007/2/20, Hans Hagen :
...
this is state independent, so state 1 should work; indeed the slunicode lib is there as is lfs
I've tried with

\directlua 0 {
    function hello(str)
        tex.print(str)
    end
}

\def\hello#1{\directlua 0 {hello("#1")}}

\hello{hi}
\bye

But only got:

! LuaTeX error [string "luas[0]"]:1: attempt to index global 'tex' (a nil value
).
\hello #1->\directlua 0 {hello("#1")}

l.9 \hello{hi}

- jjgod.

Jjgod Jiang