Dear Contexers, I am setting up a complex bilingual document, which has to print one language at the time. Does anyone know how to use the wonderful blocks application in an itemize environment? I think the second block causes problems. Kind regards, Robert \setupoutput[pdftex] \setuppapersize [A4][A4] \defineblock[Nederlandsblok, Engelsblok] \hideblocks[Nederlandsblok] \starttext \startitemize \beginNederlandsblok \item Ik vraag me af of ze ook appels verkopen %NED \endNederlandsblok \beginEngelsblok \item I really wonder if they do sell apples %ENG \endEngelsblok \stopitemize \stoptext Contents of log file: systems : begin file tst at line 8 textblocks : Nederlandsblok hidden textblocks : Engelsblok typeset (./tst-texutil0.tmp) ! Extra }, or forgotten \endgroup. <recently read> \egroup \closeblock ...pblock \doafterblock {Engelsblok}{} \egroup l.17 \endEngelsblok