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/APIchunk14.html b/doc/APIchunk14.html
index 297e223..287e9f6 100644
--- a/doc/APIchunk14.html
+++ b/doc/APIchunk14.html
@@ -529,6 +529,7 @@
 <a href="html/libxml-tree.html#XMLSETBUFFERALLOCATIONSCHEME">xmlSetBufferAllocationScheme</a>
 <a href="html/libxml-debugxml.html#XMLSHELLPWD">xmlShellPwd</a>
 <a href="html/libxml-parser.html#XMLSTRNCAT">xmlStrncat</a>
+<a href="html/libxml-valid.html#XMLVALIDCTXTNORMALIZEATTRIBUTEVALUE">xmlValidCtxtNormalizeAttributeValue</a>
 <a href="html/libxml-valid.html#XMLVALIDNORMALIZEATTRIBUTEVALUE">xmlValidNormalizeAttributeValue</a>
 <a href="html/libxml-xpathinternals.html#XMLXPATHPOPBOOLEAN">xmlXPathPopBoolean</a>
 <a href="html/libxml-xpathinternals.html#XMLXPATHPOPEXTERNAL">xmlXPathPopExternal</a>
@@ -689,6 +690,7 @@
 <dt>normalization</dt>
 <dd>
 <a href="html/libxml-uri.html#XMLNORMALIZEURIPATH">xmlNormalizeURIPath</a>
+<a href="html/libxml-valid.html#XMLVALIDCTXTNORMALIZEATTRIBUTEVALUE">xmlValidCtxtNormalizeAttributeValue</a>
 <a href="html/libxml-valid.html#XMLVALIDNORMALIZEATTRIBUTEVALUE">xmlValidNormalizeAttributeValue</a>
 </dd>
 <dt>normalization:</dt>
@@ -701,6 +703,7 @@
 </dd>
 <dt>normalized</dt>
 <dd>
+<a href="html/libxml-valid.html#XMLVALIDCTXTNORMALIZEATTRIBUTEVALUE">xmlValidCtxtNormalizeAttributeValue</a>
 <a href="html/libxml-valid.html#XMLVALIDNORMALIZEATTRIBUTEVALUE">xmlValidNormalizeAttributeValue</a>
 <a href="html/libxml-xpathinternals.html#XMLXPATHNORMALIZEFUNCTION">xmlXPathNormalizeFunction</a>
 </dd>