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/APIchunk0.html b/doc/APIchunk0.html
index 087ce9f..4d9542c 100644
--- a/doc/APIchunk0.html
+++ b/doc/APIchunk0.html
@@ -146,6 +146,12 @@
 <a href="html/libxml-encoding.html#XMLGETENCODINGALIAS">xmlGetEncodingAlias</a>
 <a href="html/libxml-encoding.html#XMLPARSECHARENCODING">xmlParseCharEncoding</a>
 </dd>
+<dt>ATTRIBUTE</dt>
+<dd>
+<a href="html/libxml-tree.html#XMLADDCHILD">xmlAddChild</a>
+<a href="html/libxml-tree.html#XMLADDNEXTSIBLING">xmlAddNextSibling</a>
+<a href="html/libxml-tree.html#XMLADDPREVSIBLING">xmlAddPrevSibling</a>
+</dd>
 <dt>Activated</dt>
 <dd>
 <a href="html/libxml-globals.html#XMLGETWARNINGSDEFAULTVALUE">xmlGetWarningsDefaultValue</a>