This page contains list of features that are missing in RELAX NG 1.0. If there will be new version of RELAX NG in the future, some of these features might be incorporated in it. But this has to be decided and for now this list is just a place for collecting request from various RELAX NG users.
Avoiding name collision of define statements -- actually this is a more general requirement to previous item
Lifting restions on interleave -- list//interleave (10.2.4) should be allowed, and "10.5 Restrictions on interleave" should be removed.
CREPDL -- use of CREPDL for text and mixed should be allowed.