On Jun 4, 2011, at 12:14 AM, Peter Münster wrote:
> \startluacode
> function my_externalfigure(file, t)
> local args_present
> for k, v in pairs(t) do
> if v == "" then
> t[k] = nil
> else
> args_present = true
> end
> end
> context.externalfigure({file}, args_present and t)
> end
> \stopluacode
>
> \startxmlsetups xml:externalfigure
> \ctxlua{my_externalfigure("\xmlatt{#1}{resource}",
> {width = "\xmlatt{#1}{width}", height = "\xmlatt{#1}{height}"})}
> \stopxmlsetups
>
> My first idea was "\expanded{\externalfigure[...][\doif...]}" but it
> does not work...
Thanks a lot Peter, i will have to play with this tomorrow (just came home from
a short trip).
Thomas
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