On Sun, 23 Jun 2019 at 19:08, wrote:

Hi Duncan,

I guess this may be what you want to do:

\setuphead[part][placehead=yes] \setuphead[section][sectionsegments=section] \setuphead[subsection][sectionsegments=section:subsection] \starttext \part{Part} \chapter{Chapter} \section{Section} \subsection{Subsection} \stoptext

I hope it helps,

Pablo -- http://www.ousia.tk

Belated thanks Pablo, I get the digest so I had posted my discovery of

this precise solution before I saw you supplying that answer. Apologies! It works well. Duncan