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
diff --git a/doc/downloads.html b/doc/downloads.html
index aaa1188..7daf0df 100644
--- a/doc/downloads.html
+++ b/doc/downloads.html
@@ -109,7 +109,7 @@
     any architecture supported by Red Hat.</li>
   <li>
 <p><a href="mailto:igor@zlatkovic.com">Igor  Zlatkovic</a></p>
-     is now the maintainer of the Windows port, <a href="http://www.zlatkovic.com/projects/libxml/index.html">he provides
+    is now the maintainer of the Windows port, <a href="http://www.zlatkovic.com/projects/libxml/index.html">he provides
     binaries</a>.</li>
   <li>
 <a href="mailto:Gary.Pennington@sun.com">Gary Pennington</a> provides