Release of libxml2-2.9.0

* libxml.spec.in: update
* doc/*: updated and regenerated
* libxml2.syms testapi.c: regenerated
diff --git a/doc/APIchunk27.html b/doc/APIchunk27.html
index f182ab8..cabaa27 100644
--- a/doc/APIchunk27.html
+++ b/doc/APIchunk27.html
@@ -132,6 +132,7 @@
 </dd><dt>what</dt><dd><a href="html/libxml-catalog.html#xmlCatalogGetDefaults">xmlCatalogGetDefaults</a><br />
 <a href="html/libxml-catalog.html#xmlCatalogSetDefaults">xmlCatalogSetDefaults</a><br />
 <a href="html/libxml-parserInternals.html#xmlParseNamespace">xmlParseNamespace</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaValidityLocatorFunc">xmlSchemaValidityLocatorFunc</a><br />
 <a href="html/libxml-xmlreader.html#xmlTextReaderGetRemainder">xmlTextReaderGetRemainder</a><br />
 <a href="html/libxml-xmlwriter.html#xmlTextWriterWriteRawLen">xmlTextWriterWriteRawLen</a><br />
 </dd><dt>where</dt><dd><a href="html/libxml-HTMLparser.html#_htmlElemDesc">_htmlElemDesc</a><br />
@@ -188,6 +189,8 @@
 <a href="html/libxml-xmlautomata.html#xmlAutomataNewOnceTrans">xmlAutomataNewOnceTrans</a><br />
 <a href="html/libxml-xmlautomata.html#xmlAutomataNewOnceTrans2">xmlAutomataNewOnceTrans2</a><br />
 <a href="html/libxml-xmlreader.html#xmlTextReaderLookupNamespace">xmlTextReaderLookupNamespace</a><br />
+</dd><dt>why</dt><dd><a href="html/libxml-xmlmodule.html#xmlModuleOpen">xmlModuleOpen</a><br />
+<a href="html/libxml-xmlmodule.html#xmlModuleSymbol">xmlModuleSymbol</a><br />
 </dd><dt>wierd</dt><dd><a href="html/libxml-uri.html#xmlBuildRelativeURI">xmlBuildRelativeURI</a><br />
 </dd><dt>wildcard</dt><dd><a href="html/libxml-schemasInternals.html#XML_SCHEMAS_ATTRGROUP_GLOBAL">XML_SCHEMAS_ATTRGROUP_GLOBAL</a><br />
 <a href="html/libxml-schemasInternals.html#XML_SCHEMAS_ATTRGROUP_WILDCARD_BUILDED">XML_SCHEMAS_ATTRGROUP_WILDCARD_BUILDED</a><br />
@@ -255,6 +258,8 @@
 </dd><dt>words</dt><dd><a href="html/libxml-xpathInternals.html#xmlXPathNormalizeFunction">xmlXPathNormalizeFunction</a><br />
 <a href="html/libxml-xpathInternals.html#xmlXPathStringLengthFunction">xmlXPathStringLengthFunction</a><br />
 </dd><dt>work</dt><dd><a href="html/libxml-tree.html#xmlBufferDetach">xmlBufferDetach</a><br />
+<a href="html/libxml-xmlmodule.html#xmlModuleOpen">xmlModuleOpen</a><br />
+<a href="html/libxml-xmlmodule.html#xmlModuleSymbol">xmlModuleSymbol</a><br />
 <a href="html/libxml-tree.html#xmlNodeGetBase">xmlNodeGetBase</a><br />
 <a href="html/libxml-pattern.html#xmlPatternStreamable">xmlPatternStreamable</a><br />
 <a href="html/libxml-tree.html#xmlRemoveProp">xmlRemoveProp</a><br />
@@ -270,6 +275,8 @@
 </dd><dt>worthwhile</dt><dd><a href="html/libxml-uri.html#xmlBuildRelativeURI">xmlBuildRelativeURI</a><br />
 </dd><dt>would</dt><dd><a href="html/libxml-xmlerror.html#_xmlError">_xmlError</a><br />
 <a href="html/libxml-HTMLparser.html#htmlAutoCloseTag">htmlAutoCloseTag</a><br />
+<a href="html/libxml-xmlmodule.html#xmlModuleOpen">xmlModuleOpen</a><br />
+<a href="html/libxml-xmlmodule.html#xmlModuleSymbol">xmlModuleSymbol</a><br />
 <a href="html/libxml-xmlreader.html#xmlTextReaderGetRemainder">xmlTextReaderGetRemainder</a><br />
 </dd><dt>wrapper</dt><dd><a href="html/libxml-tree.html#xmlDOMWrapAcquireNsFunction">xmlDOMWrapAcquireNsFunction</a><br />
 <a href="html/libxml-tree.html#xmlDOMWrapReconcileNamespaces">xmlDOMWrapReconcileNamespaces</a><br />
@@ -284,6 +291,7 @@
 <a href="html/libxml-globals.html#xmlOutputBufferCreateFilenameFunc">xmlOutputBufferCreateFilenameFunc</a><br />
 <a href="html/libxml-xmlIO.html#xmlOutputBufferCreateIO">xmlOutputBufferCreateIO</a><br />
 <a href="html/libxml-xmlIO.html#xmlOutputWriteCallback">xmlOutputWriteCallback</a><br />
+<a href="html/libxml-xmlsave.html#xmlSaveToIO">xmlSaveToIO</a><br />
 <a href="html/libxml-debugXML.html#xmlShellWrite">xmlShellWrite</a><br />
 </dd><dt>writer</dt><dd><a href="html/libxml-xmlwriter.html#xmlFreeTextWriter">xmlFreeTextWriter</a><br />
 <a href="html/libxml-xmlwriter.html#xmlNewTextWriter">xmlNewTextWriter</a><br />