> Meer, Hans van der <mailto:H.vanderMeer@uva.nl>
> 3. Februar 2016 um 19:10
> In the ConTeXt reference manual in section 12.5 Cross references I 
> find the following explanation:
>
>
> I would like to set (interactive) references as the black triangles 
> pointing forward and backward, as displayed here. Although I tried 
> along the lines in the first example, as mentioned at the end of the 
> text, I could not manage to get these triangles.
You can change the output from the \in and \at commands with 
\setupreferencing.

%\setupreferencing[interaction=all]
\setupreferencing[interaction=symbol]

\setupinteraction[state=start]

\starttext

\chapter[sec:1]{First chapter}

See \in{chapter}[sec:1].

See \in{chapter}[sec:2].

See \in{chapter}[sec:3].

\chapter[sec:2]{Second chapter}

See \in{chapter}[sec:1].

See \in{chapter}[sec:2].

See \in{chapter}[sec:3].

\chapter[sec:3]{Third chapter}

See \in{chapter}[sec:1].

See \in{chapter}[sec:2].

See \in{chapter}[sec:3].

\stoptext

Wolfgang