Am 13.01.19 um 16:56 schrieb Wolfgang Schuster:
Here is a example which shows how you can change the background color of a empty page before the chapter title.
\setuppagenumbering [alternative=doublesided]
\startsetups [chapter:before] \doifoddpageelse {} {\pushbackground[page] \setupbackgrounds[page][background=color,backgroundcolor=black] \page[empty,right] \popbackground} \stopsetups
\setuphead [chapter] [page=yes, before=\directsetup{chapter:before}]
\starttext
\startchapter[title={Knuth}] \dorecurse{10}{\samplefile{knuth}} \stopchapter
\startchapter[title={Zapf}] \dorecurse{10}{\samplefile{zapf}} \stopchapter
\startchapter[title={Ward}] \dorecurse{10}{\samplefile{ward}} \stopchapter
\stoptext
Thanks a lot Wolfgang! This was just the thing I was looking for. These setups seems to be the golden bullet in ConTeXt but I often have difficulties to understand the mechanism. I'll try to wikify this later this week. The push-pop-background pair is mentionend in x-setups-overview together with some other push-pop-pairs or push single commands. Are they documented somewhere? juh