[Dev-luatex] Collected notes

Jonathan Sauer Jonathan.Sauer at silverstroke.com
Tue Sep 25 13:22:18 CEST 2007


Hello,

> > -	When setting a \toks register in Lua using tex.toks['foo'] =
> > 'bar' et.al., what catcodetable is used? From looking inside
> > luatex.web, I would guess that, since str_toks is used, all 
> > characters get catcode 12, except for spaces, which get catcode 10.
> 
> Correct. It is one of the first things I wrote, and it definately
> needs updating. I now believe the toks array should accept and return
> token list tables (instead of lua strings), and there should be helper
> functions to_string() and to_tokenlist() for going back and forth.
> That needs a bit of (not-yet-done) programming, but it is not hard at
> all.

I'm wondering how this would affect performance. How costly is the
conversion from a string to a table?

And what about tex.print? Since it creates/writes tokens as well, will
it be changed to accept token list tables, too? (at any rate, I think
both should accept the same parameter type)


> Cheers,
> Taco

Jonathan



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