preparing 2.4.16 updated and rebuilt the docs, rebuilt the API and web

* configure.in include/libxml/xmlwin32version.h: preparing 2.4.16
* doc/* python/libxml2class.txt: updated and rebuilt the docs,
  rebuilt the API and web site
* xpath.c: fixed #71978 portability bugs
Daniel
diff --git a/doc/xml.html b/doc/xml.html
index fd64238..9061288 100644
--- a/doc/xml.html
+++ b/doc/xml.html
@@ -550,6 +550,13 @@
     SGML docs</li>
 </ul>
 
+<h3>2.4.16: Feb 20 2002</h3>
+<ul>
+  <li>a lot of bug fixes, most of them were triggered by the XML Testsuite
+    from OASIS and W3C. Compliance has been significantly improved.</li>
+  <li>a couple of portability fixes too.</li>
+</ul>
+
 <h3>2.4.15: Feb 11 2002</h3>
 <ul>
   <li>Fixed the Makefiles, especially the python module ones</li>
@@ -2218,6 +2225,7 @@
 
 
 
+
 } </pre>
   </li>
   <li>And then use it to save the document: