> On 8 Feb 2025, at 21:38, Pablo Rodriguez via ntg-context <ntg-context@ntg.nl>
> wrote:
>
> Dear list,
>
> I would like to have chapters in bodypart to list two numbers, the
> previous to the current page and the current page, such as in:
>
> 14 · 15 24·25 50 · 51 100 · 101
>
> I tried the following command, but I cannot get the previous to the
> current page number:
>
> \setuplist[chapter]
> [pagecommand={\the\numexpr\currentlistentrypagenumber-1\ ·}]
>
> What am I missing here?
The obvious arithmetic order doesn't work for reasons that aren't obvious to
me. :-(
Try this:
\def\doPageNumber#1{\the\numexpr -1 + #1\relax\ · #1}
\setupcombinedlist[content][list={chapter}]
\setuplist[chapter][pagecommand=\doPageNumber]
\starttext
\completecontent
\page
\doloopoverlist
{one,two,three,four,five}
{\chapter{Title \recursestring}
\input tufte
\page
}
\stoptext
(I'll leave Hans or Wolfgang to explain why the chapter title doesn't work but
that's not an issue for you.)
—
Bruce Horrocks
Hampshire, UK
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