more work on RelaxNG streaming validation trying to improve the subset * relaxng.c xmllint.c: more work on RelaxNG streaming validation trying to improve the subset compiled, and more testing. * doc/downloads.html doc/xml.html doc/xmlmem.html: some updates on the documentation * test/relaxng/tutor11_1_3.xml: fixes the DTD path * result/relaxng/*.err: fix some of the outputs Daniel