Re: xml and lua again

[Peter Rolf <indiego@gmx.net>]

Am 23.10.2011 16:37, schrieb Thomas A. Schmitz:
> 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 :-)
>
(sadly) true :-)

I will look into it. Looks like I need a big glass of goat milk before
(can't wait for the moon)...

>> 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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