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/APIchunk10.html b/doc/APIchunk10.html
index 7b91540..ed36b37 100644
--- a/doc/APIchunk10.html
+++ b/doc/APIchunk10.html
@@ -334,6 +334,9 @@
 </dd>
 <dt>equal</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>
 <a href="html/libxml-parser.html#XMLSTREQUAL">xmlStrEqual</a>
 <a href="html/libxml-xpathinternals.html#XMLXPATHEQUALVALUES">xmlXPathEqualValues</a>
 <a href="html/libxml-xpath.html#XMLXPATHEVALPREDICATE">xmlXPathEvalPredicate</a>