> On 13 Mar 2026, at 21:25, Matthias Weber <[email protected]> wrote:
>
> Hello,
>
> I have a document with ~30 chapters, one for each date of a certain day that
> changes from year to year.
> So I wanted to put the list of dates at the top of the document, where I can
> locate and update them easily,
> and process the list using a little Lua, like so:
>
>
> \setupheadertexts[\getmarking[section]]
>
> \def \day{\ctxlua{tex.print(classdates[i]) i=i+1}}
> %\def\day{}
> \ctxlua
> { classdates = {"May 12", "May 13", "May 14", "May 15"}
> i=1}
>
>
> \completecontent
>
> \starttext
>
> \section{Math (\day)}
> \section{More Math (\day)}
> \section{The End (\day)}
>
>
> \stoptext
>
>
> Unfortunately, the Lua code is already processed for the table of contents,
> so I ran out of dates in the \section commands.
> A simple hack could be to let Lua go through the list twice — but this
> doesn’t help, as I am also using the name of a section in the header, where
> the counter is being increased
> an undetermined number of times, once for each new page.
>
> Is there a way to fix this?
This?
\setvariables
[classdates]
[1="May 12",
2="May 13",
3="May 14",
4="May 15"]
\def\day{\getvariable{classdates}{\somenamedheadnumber{section}{current}}}
\completecontent
\starttext
\section{Math (\day)}
\section{More Math (\day)}
\section{The End (\day)}
\stoptext
—
Bruce Horrocks
Hampshire, UK
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