Re: Highlight current chapter in list

[Sietse Brouwer <sbbrouwer@gmail.com>]

Hans wrote:
> the next beta has: \namedstructureheadlocation{name}
> so that you can compare
>   \currentlistentrylocation
> with
>   \namedstructureheadlocation{chapter}
> (todo: also store locations elsewhere?)
> Best document this before we forget about it.

Is this a good description of the command's behavior?

All structure heads, regardless of level, get a location number in the
order in which they appear. Like so (see also MWE at bottom of this
e-mail):

\section{Alpha}
    % location number: 1; type: section; section number: 1
\section{Beta}
    % location number: 2; type: section; section number: 2
\subsection{Aap}
    % location number: 3; type: subsection; subsection number: 1
\subsection{Noot}
    % location number: 4; type: subsection; subsection number: 2
\section{Gamma}
    % location number: 5; type: section; section number: 3

\namedstructureheadlocation{X} then returns the location number of the
current X, where X is the name of a structure level (e.g. 'chapter',
'section', etc.)

If you ask for e.g. \namedstructureheadlocation{chapter}, and you are
not in a chapter, then 0 is returned.

Anything missing?

@Marco: sweet job on
http://wiki.contextgarden.net/Command/definelistalternative. I have
taken the lazy liberty of redirecting
Command/currentlistentrylocation
Command/structureheadlocation
Command/currentlistentrynumber
etc to that page for the now, so that they at least appear in the list
of commands.

--Sietse

\starttext
  \startsection [title=alpha]
  \stopsection
  \startsection [title=beta]
    \startsubsection[title=aap]
        \namedstructureheadlocation{section}
        \namedstructureheadlocation{subsection}
    \startsubsection[title=noot]
        \namedstructureheadlocation{section}
        \namedstructureheadlocation{subsection}
    \stopsubsection
  \stopsection
  \startsection [title=gamma]
        \namedstructureheadlocation{section}
  \stopsection
\stoptext
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