On Jun 3, 2011, at 10:50 PM, Hans Hagen wrote:
> On 3-6-2011 10:19, Thomas A. Schmitz wrote:
>>
>> Hmm, almost... Gives the dreaded "Missing number, treated as zero" error.
>> But your "fit" gave me an idea: this works:
>>
>> [height=\xmlattdef{#1}{height}{fit}]
>>
>> but only if I have a real dimension as in height="5cm". What if I want to
>> define something like height="0.4" and want this to be the equivalent of
>> height=0.4\textheight ? This of course doesn't work:
>>
>> [height=\xmlattdef{#1}{height}{fit}\textheight]
>>
>> since it will expand to "fit\textheight" as a default option. Any
>> suggestions?
>
> something (slow):
>
> \expdoifelse
> {\xmlattdef{#1}{height}{fit}
> {fit}
> {\xmlatt{#1}{height}\textheight}
>
> (of you define a lua helper)
>
Ah, expdoifelse is for "expanded doifelse," right? Any examples for such a lua
helper? Sounds good, but I still haven't been able to understand how to mix xml
and lua code.
Thanks!
Thomas
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