Re: xml and lua again

["Thomas A. Schmitz" <thomas.schmitz@uni-bonn.de>]

Hi Peter,

thanks for your reply, and I'll keep the bit about goat milk in mind :-).


> "frame=" .. tostring(framestate)

It has the advantage of making the example compile. It has the drawback 
of not doing anything :-)

> seems to work. Anyhow, if you are planning to do some more complex
> stuff, you should separate the lua from the tex code.
>
> The advantages are
> - no catcode limitations
>    Then you can use nice stuff like
>    string.format("frame=%s",framestate)
> - in case of lua errors you get the real line number
> - lua syntax check is possible
>
> Load the lua code at the beginning of your tex file with
>
> \registerctxluafile{filename_without_suffix}{version number or empty}
>
> One last but important tip: if you get lua errors like 'undefined
> whatever', check your lua file with 'luatexc -p foo.lua' (lua compiler).
> A single syntax error in the lua file and all of its content is ignored!
> Can be quite frustrating to find the error cause, if all of your lua
> code is undefined right from the beginning.

OK, that sounds like very good advice - I'll see if I can manage to 
apply this for xml style sheets.

Thanks a lot, and best wishes

Thomas
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