[NTG-context] Setupheadertexts with if-condition

Hello mailing list,

I want to use an simple if-condition for this code:


\setupheadertexts [][][][{\tfx\bf\getmarking[chapternumber] – \getmarking[chapter]}]


My problem: In my case the document dont begin with a chapter but with a section. So at the first pages there is not chapter and chapternumber and the "–" is printed alone.

So I want something like this:

\if\getmarking[chapternumber]
{\getmarking[chapternumber] – \getmarking[chapter]}
\fi

That is of course no valid code. How to implement that if-condition?

Thanks!

--
Huseyin Özoguz

E-Mail: h.oezo...@mmnetz.de

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