Hi, as already mentioned there is a problem with PDF layer... or with the way I use them. This is an old example, so it's maybe outdated.
Both marks produce non valid PDF here. \setupcolors[state=start] \setupinteraction[state=start] \pdfcompresslevel0 \defineproperty[layerA][layer][title={layer_A},state=start] \starttext \startproperty[layerA] text %\framed[width=160mm,height=120mm]{\tooltip{A text with...{a tooltip}}% \stopproperty \stoptext Peter ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : https://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________