Hi Hans, Mikael and list, I’ve been testing the connectors, which work great with the latest upload. One problem I found: an accent in the \mathboxanchored causes a "Missing number, treated as zero” error and no output. MWE below. Thanks for all of the improvements. I’m making all kinds of connections! Gavin \starttext \startboxanchoring[+] \connectboxanchors[top] [top] [distance=1ex,arrow=no] {c1}{c2} \connectboxanchors[bottom] [bottom] [distance=1ex,arrow=no] {c2}{c3} \startformula \mathboxanchored[nucleus]{c1}{e}^{\dot\alpha} % \mathboxanchored[nucleus]{c2}{e}_{\mu} % <-- This works, without accent % \mathboxanchored[nucleus]{c2}{\bar{e}}_{\mu} % <-- This does not work, with accent \bar{\mathboxanchored[nucleus]{c2}{e}}_{\mu} % <-- This works, but connector punches through accent \mathboxanchored[nucleus]{c3}{e}^{\beta} = \frac{1}{\sqrt{2}} \bar\sigma^{\dot\alpha\beta}_{\mu} \stopformula \stopboxanchoring \stoptext