On Wed, 4 Nov 2020 at 17:06, Duncan Hothersall <dh@capdm.com> wrote:
Hi Sylvain,

This page may be useful: https://wiki.contextgarden.net/Layout

I was aware of this page but have mistakenly inferred from the figure that the backspace is an automatically calculated sum of other parameters.

Basically the core parameters are backspace and width, and topspace and height. Everything else hangs off them.  

Indeed. Thanks for the information!

Sylvain