Dear all, Is the following example still valid for MKIV or is it a bug? %from: %tex/context/base/strc-itm.tex % \def\MyItemCommand#1{{\bf#1}\quad} \setupitemgroup[itemize][command=\MyItemCommand] \starttext \startitemize \item {test} is this okay? \item {test} is this okay? \item {test} is this okay? \stopitemize \stoptext This is the error I see: This is LuaTeX, Version snapshot-0.38.0-2009041013 (Web2C 7.5.7) (myitemcommand.tex ConTeXt ver: 2009.04.15 12:15 MKIV fmt: 2009.4.15 int: english/english ............. .......... ! Argument of \MyItemCommand has an extra }. <inserted text> \par <to be read again> } \doifsomething #1->\edef \!!stringa {#1} \ifx \!!stringa \empty \expandafter ... <argument> ...fsomething {command=\MyItemCommand } {\ifcase \currentitemleve... \firstoftwoarguments #1#2->#1 \dodosetupitemgroup ...dodosetupitemgroup [#2][#3] \doifsomething {#4} {\dodod... ... l.7 Regards, B. Vogel