Am 11.10.2011 um 13:53 schrieb Javier Múgica de Rivera:
> Note that the expansion of \directlua is a sequence of characters, not
> of tokens, contrary to all TeX commands. So formally speaking its
> expansion is null, but places material on a pseudo-file to be
> immediately read by TeX, as etex's \scantokens.
>
> For a description of print functions look at section 4.13.10.
Is that really true? When you assign catcodes (catcode tables) to the print
functions, TeX's behavior is different from scantokens. I have never used
scantokens, so I am not 100% sure. Take for example:
tex.print(-2, "\\def\\foo{abc}")
will not define \foo. While you have referenced the section with the print
commands, I think that the description is misleading.
Patrick
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