Thank you so much Alan, that was exactly what I was looking for.

Le ven. 20 janv. 2023 à 01:56, Alan Braslau <alan.braslau@icloud.com> a
écrit :

> On Thu, 19 Jan 2023 22:40:13 +0100
> Alexandre Christe via ntg-context <ntg-context@ntg.nl> wrote:
>
> > def labelT(expr pos)(text t) =
> > ...
> > enddef;
>
> vardef labelT@#(text t) =
>     ...
> enddef ;
>
> Then you can pass on the "suffix" @#
>
> Alan
>