Release of libxml2-2.9.0

* libxml.spec.in: update
* doc/*: updated and regenerated
* libxml2.syms testapi.c: regenerated
diff --git a/doc/APIchunk22.html b/doc/APIchunk22.html
index 08f2395..bf76a9c 100644
--- a/doc/APIchunk22.html
+++ b/doc/APIchunk22.html
@@ -207,6 +207,8 @@
 <a href="html/libxml-nanohttp.html#xmlNanoHTTPScanProxy">xmlNanoHTTPScanProxy</a><br />
 </dd><dt>portability</dt><dd><a href="html/libxml-nanoftp.html#INVALID_SOCKET">INVALID_SOCKET</a><br />
 <a href="html/libxml-nanoftp.html#SOCKET">SOCKET</a><br />
+<a href="html/libxml-xmlmodule.html#xmlModuleOpen">xmlModuleOpen</a><br />
+<a href="html/libxml-xmlmodule.html#xmlModuleSymbol">xmlModuleSymbol</a><br />
 </dd><dt>portable</dt><dd><a href="html/libxml-xpath.html#xmlXPathIsInf">xmlXPathIsInf</a><br />
 <a href="html/libxml-xpath.html#xmlXPathIsNaN">xmlXPathIsNaN</a><br />
 </dd><dt>pos</dt><dd><a href="html/libxml-xmlstring.html#xmlUTF8Strsub">xmlUTF8Strsub</a><br />
@@ -234,6 +236,7 @@
 <a href="html/libxml-parser.html#xmlParseBalancedChunkMemory">xmlParseBalancedChunkMemory</a><br />
 <a href="html/libxml-parser.html#xmlParseBalancedChunkMemoryRecover">xmlParseBalancedChunkMemoryRecover</a><br />
 <a href="html/libxml-parser.html#xmlParseExternalEntity">xmlParseExternalEntity</a><br />
+<a href="html/libxml-xmlsave.html#xmlSaveToFilename">xmlSaveToFilename</a><br />
 <a href="html/libxml-xpathInternals.html#xmlXPathStringFunction">xmlXPathStringFunction</a><br />
 </dd><dt>posteriori</dt><dd><a href="html/libxml-tree.html#xmlSetNs">xmlSetNs</a><br />
 </dd><dt>potential</dt><dd><a href="html/libxml-debugXML.html#xmlDebugCheckDocument">xmlDebugCheckDocument</a><br />
@@ -517,6 +520,8 @@
 <a href="html/libxml-xmlIO.html#xmlOutputMatchCallback">xmlOutputMatchCallback</a><br />
 <a href="html/libxml-tree.html#xmlSaveFormatFile">xmlSaveFormatFile</a><br />
 <a href="html/libxml-tree.html#xmlSaveFormatFileEnc">xmlSaveFormatFileEnc</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaValidateSetFilename">xmlSchemaValidateSetFilename</a><br />
+<a href="html/libxml-xmlschemas.html#xmlSchemaValidateSetLocator">xmlSchemaValidateSetLocator</a><br />
 <a href="html/libxml-xmlschemas.html#xmlSchemaValidateStream">xmlSchemaValidateStream</a><br />
 <a href="html/libxml-xmlstring.html#xmlUTF8Strloc">xmlUTF8Strloc</a><br />
 <a href="html/libxml-xmlstring.html#xmlUTF8Strpos">xmlUTF8Strpos</a><br />