I will try again adding more detail in the hope that this will help.
The following is not a minimal example but a bare outline of what I have
and where the problems with the cross-references arise.
This structure works with MKII, so the query is whether something has
changed in the command
I understand that there was a problem with cross-references within
components of a product structure that use \goto[…] and \reference[…]. Has
this been fixed yet?
I have not been able to get them to work with the latest ConTeXt standalone
and thought I should check. My \at[] and \in[]
