Am 22.04.2013 um 01:13 schrieb Jan Heinen <jahei...@gmx.de>:
> In a book I produced with ConTeXt last year, I did a lot of calculation to be
> able to change the layout dynamicaly.
>
> With the actual version of ConTeXt I can't compile the book. I have tried a
> lot of things today ... without success.
> I hope my minimal-example helps you to understand, what I want to do - and
> what I am doing wrong:
>
>
> \starttext
> \setupexternalfigures[location={local,global,default}]
>
> \defineexpandable\ColumnA {30mm}
> \defineexpandable\ColumnB {40mm}
> \defineexpandable\ColumnABi {\dimexpr(\ColumnA + \ColumnB)}
> \defineexpandable\ColumnABii {\ctxlua{context(\ColumnA + \ColumnB)}}
> \newdimen\ColumnABiii \ColumnABiii = \dimexpr(\ColumnA + \ColumnB)
\definemeasure[ColumnA][30mm]
\definemeasure[ColumnB][40mm]
\definemeasure[ColumnBi][\the\dimexpr(\measure{ColumnA}+\measure{ColumnB})]
> A \ColumnA% ok
>
> B \ColumnB% ok
>
> % I sadly get only errors when I delete the comments:
> %ColumnABi: \ColumnABi
A \measure{ColumnA}
B \measure{ColumnB}
C \measure{ColumnBi}
Wolfgang
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