This worked some weeks ago: \defineconversion[ordinal][\enordinaldaynumber] \starttext \startitemize[ordinal] \item Test \item Test \item Test \item Test \item Test \stopitemize \stoptext current beta from today Herbert ! Undefined control sequence. system > tex > error on line 7 in file 05-02-4.ctxcrop: Undefined control sequence ... 1 \defineconversion[ordinal][\enordinaldaynumber] 2 \starttext 3 \startitemize[ordinal] 4 \item Test 5 \item Test 6 \item Test 7 >> \item Test 8 \item Test 9 \stopitemize 10 \stoptext 11 \@@cvordinal ->\enordinaldaynumber \convertnumber ... 2\else 3\fi \fi \endcsname {#1} {\number #2} l.7 } \doconvertedstructurecounter ...!criterium ", } )} \endgroup <to be read again> \fi \doactualitemnumber ...rrentitemgroupcounter ]\fi \dohandleitemreference \en... ... l.4 \item T est ?