I thought one can register various setups and then when setting up the processing of the root tag call them into being with: \xmlregisteredsetups
(according to the docs "applies all global setups to the current document)

But doing this as in:
\startxmlsetups xml:doc:roottag

I get instead the error:
! Undefined control sequence.
\xmlregisteredsetups ...arttiming \xmlflushsetups 
                                                  \xmldefaulttotext \xmldocu...
\@@su:xml:dvdcase:dvd #1->\xmlregisteredsetups 


Hans van der Meer