> Henri Menke <mailto:henrimenke@gmail.com>
> 8. September 2016 um 15:35
> Dear list,
>
> when using cross referencing in my document, LaTeX has the nice 
> warning messages
>
> LaTeX Warning: Reference 'foo' on page XX undefined on input line YY.
> LaTeX Warning: Label `foo' multiply defined.
> LaTeX Warning: There were undefined references.
> LaTeX Warning: There were multiply-defined labels.
>
> Is there something similar in ConTeXt? The wiki is a little outdated 
> in that regard as \tracereferences does not exist anymore and also is 
> probably not what I'm looking for. I already found 
> \usemodule[references-show] but this only prints annotations on the page.
You can use trackers:

\enabletrackers[structures.referencing]
\enabletrackers[structures.referencing.analyzing]
\enabletrackers[structures.referencing.identifying]
\enabletrackers[structures.referencing.importing]
\enabletrackers[structures.referencing.empty]

Wolfgang