Further to my previous query about updating from mkii to mkiv, I have solved some of the issues by trial and error but am beginning to identify the ones I can't resolve. My first minimal example is below. I want the sections and subsections not to prefix the part and chapter numbering, giving me this output: Part 1 Chapter 1.1 Section 1 Subsection 1.1 The line that used to achieve this result was \setupsection[section-3][previousnumber=no] and there was also \setuphead[section][partnumber=no,chapternumber=no] but neither of these seems to work in mkiv Minimal example: \setupsection[section-3][previousnumber=no] \setuphead[section][partnumber=no,chapternumber=no] \starttext \part{Part} Part \chapter{Chapter} Chapter \section{Section} Section \subsection{Subsection} Subsection \stoptext Many thanks for any pointers. Duncan