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/APIchunk6.html b/doc/APIchunk6.html
index 73ec193..aa62fa5 100644
--- a/doc/APIchunk6.html
+++ b/doc/APIchunk6.html
@@ -257,6 +257,9 @@
 <a href="html/libxml-htmltree.html#HTMLNODEDUMPFORMATOUTPUT">htmlNodeDumpFormatOutput</a>
 <a href="html/libxml-htmltree.html#HTMLSAVEFILEENC">htmlSaveFileEnc</a>
 <a href="html/libxml-htmltree.html#HTMLSAVEFILEFORMAT">htmlSaveFileFormat</a>
+<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-tree.html#XMLDOCDUMPFORMATMEMORY">xmlDocDumpFormatMemory</a>
 <a href="html/libxml-tree.html#XMLDOCDUMPFORMATMEMORYENC">xmlDocDumpFormatMemoryEnc</a>
 <a href="html/libxml-tree.html#XMLNEWCHILD">xmlNewChild</a>
@@ -427,6 +430,7 @@
 </dd>
 <dt>already</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-tree.html#XMLADDSIBLING">xmlAddSibling</a>