If I understand this thread and the MS module aright,
then I believe that the mandatory <repository> business is intentional,
properly implemented, and the outcome of quite
detailed and specific discussion by that work group.
Given that we are on course to release TEI P5 1.0 in about 6
weeks time, there really is not an opportunity to
revisit such decisions at this stage. We are
scheduled to freeze technical code any moment now...
Of course, there is life after P5 1.0; and there is