conditional evaluation and section names

[Daniel Lyons <fusion@storytotell.org>]

Hi again,

I have this in my environment

\startsetups[sectioninfo]
\ss
  \rlap{\userpagenumber}
  \hfill
  § \getmarking[sectionnumber][current]
  \emspace
  \bf \getmarking[section][current]
  \hfill
  \llap{}
\stopsetups

\setupheadertexts[\setups{chapterinfo}][]
                 []                    [\setups{sectioninfo}]

This seems to be working, but there are a couple improvements I'd like to make and I'm not quite sure where to start:

1. If I'm in a later chapter than the current section is defined in, it shows up anyway. I'd like to prevent that.
2. If I'm in a chapter that doesn't have sections, I'd like the chapter name to show up instead (without the §).

I'm not sure at all how to go about doing this. I suspect the answer is to use plain TeX but I don't understand TeX's conditional system well enough to figure out how to make it work (nor ConTeXt's marking system). If anyone can help, I'd greatly appreciate it!

Thanks again,

— 
Daniel Lyons

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