fixed the last core RelaxNG bug known #107083, shemas datatype ID/IDREF

* relaxng.c: fixed the last core RelaxNG bug known #107083,
  shemas datatype ID/IDREF support still missing though.
* xmlreader.c: fix a crashing bug with prefix raised by
  Merijn Broeren
* test/relaxng/testsuite.xml: augmented the testsuite with
  complex inheritance tests
Daniel
5 files changed