renamed XML.html output page into XMLinfo.html. Close bug #66951 and

* doc/*.html doc/site.xsl doc/Makefile: renamed XML.html
  output page into XMLinfo.html. Close bug #66951 and
  raised by Robert Collins too.
Daniel
diff --git a/doc/bugs.html b/doc/bugs.html
index 366a302..d9bb0af 100644
--- a/doc/bugs.html
+++ b/doc/bugs.html
@@ -35,7 +35,7 @@
 <li><a href="help.html">How to help</a></li>
 <li><a href="downloads.html">Downloads</a></li>
 <li><a href="news.html">News</a></li>
-<li><a href="XML.html">XML</a></li>
+<li><a href="XMLinfo.html">XML</a></li>
 <li><a href="XSLT.html">XSLT</a></li>
 <li><a href="architecture.html">libxml architecture</a></li>
 <li><a href="tree.html">The tree output</a></li>