% variation posted on list

\defineoverlay[left page]   [left page]
\defineoverlay[right page]  [right page]
\setupbackgrounds[leftpage] [background=left page]
\setupbackgrounds[rightpage][background=right page]

\setuppagenumbering[alternative=doublesided]

\definepagebreak[chapterpagebreak][left,header,blank,right]
\setuphead[chapter][page=chapterpagebreak]

\starttext
    \chapter{x}
    \chapter{x}
\stoptext


