Hi, another thing in todays beta: This small exmaple ... \definehead[TopLevel,MyLevel] [chapter] \setuphead[TopLevel,MyLevel] [style=\bf,textstyle={\kerncharacters[.75]}, align=flushleft,alternative=paragraph] \starttext \startTopLevel[title={This is a test}] text \stopTopLevel \stoptext ... gives an error: ! Undefined control sequence. system > tex > error on line 14 in file uzguzguzguzg.tex: Undefined control sequence ... 4 5 6 \definehead[TopLevel,MyLevel] [chapter] 7 8 \setuphead[TopLevel,MyLevel] [style=\bf,textstyle={\kerncharacters[.75]}, align=flushleft,alternative=paragraph] 9 10 11 12 \starttext 13 14 >> \startTopLevel[title={This is a test}] 15 16 text 17 18 \stopTopLevel 19 20 \stoptext 21 22 23 24 l.14 \startTopLevel [title={This is a test}] ? Is this in intended? Steffen