Release candidate 1 of libxml2-2.9.0

* configure.in libxml.spec.in python/setup.py: bumped release numbers
* doc//*: regenerated as part of the release
diff --git a/doc/APIchunk26.html b/doc/APIchunk26.html
index 646acdb..67a0a6b 100644
--- a/doc/APIchunk26.html
+++ b/doc/APIchunk26.html
@@ -16,8 +16,8 @@
 <a href="APIchunk6.html">Q-R</a>
 <a href="APIchunk7.html">S-S</a>
 <a href="APIchunk8.html">T-U</a>
-<a href="APIchunk9.html">V-Y</a>
-<a href="APIchunk10.html">Z-a</a>
+<a href="APIchunk9.html">V-X</a>
+<a href="APIchunk10.html">Y-a</a>
 <a href="APIchunk11.html">b-b</a>
 <a href="APIchunk12.html">c-c</a>
 <a href="APIchunk13.html">d-d</a>
@@ -62,6 +62,8 @@
 <a href="html/libxml-tree.html#xmlNodeAddContentLen">xmlNodeAddContentLen</a><br />
 <a href="html/libxml-uri.html#xmlURIUnescapeString">xmlURIUnescapeString</a><br />
 </dd><dt>unescaping</dt><dd><a href="html/libxml-uri.html#xmlParseURIRaw">xmlParseURIRaw</a><br />
+</dd><dt>unfriendly</dt><dd><a href="html/libxml-parserInternals.html#XML_MAX_LOOKUP_LIMIT">XML_MAX_LOOKUP_LIMIT</a><br />
+<a href="html/libxml-parserInternals.html#XML_MAX_NAME_LENGTH">XML_MAX_NAME_LENGTH</a><br />
 </dd><dt>unicode</dt><dd><a href="html/libxml-HTMLparser.html#htmlEntityValueLookup">htmlEntityValueLookup</a><br />
 <a href="html/libxml-parserInternals.html#xmlIsLetter">xmlIsLetter</a><br />
 </dd><dt>unimplemented</dt><dd><a href="html/libxml-HTMLparser.html#htmlCtxtUseOptions">htmlCtxtUseOptions</a><br />
@@ -111,6 +113,7 @@
 <a href="html/libxml-tree.html#xmlAddSibling">xmlAddSibling</a><br />
 <a href="html/libxml-entities.html#xmlNewEntity">xmlNewEntity</a><br />
 <a href="html/libxml-tree.html#xmlReplaceNode">xmlReplaceNode</a><br />
+<a href="html/libxml-tree.html#xmlUnlinkNode">xmlUnlinkNode</a><br />
 </dd><dt>unload</dt><dd><a href="html/libxml-xmlmodule.html#xmlModuleClose">xmlModuleClose</a><br />
 <a href="html/libxml-xmlmodule.html#xmlModuleFree">xmlModuleFree</a><br />
 </dd><dt>unloaded</dt><dd><a href="html/libxml-xmlmodule.html#xmlModuleClose">xmlModuleClose</a><br />
@@ -185,10 +188,12 @@
 <a href="html/libxml-tree.html#xmlSplitQName2">xmlSplitQName2</a><br />
 </dd><dt>upon</dt><dd><a href="html/libxml-SAX.html#checkNamespace">checkNamespace</a><br />
 <a href="html/libxml-xlink.html#xlinkNodeDetectFunc">xlinkNodeDetectFunc</a><br />
-</dd><dt>upper</dt><dd><a href="html/libxml-xmlregexp.html#xmlExpNewRange">xmlExpNewRange</a><br />
+</dd><dt>upper</dt><dd><a href="html/libxml-parserInternals.html#XML_MAX_LOOKUP_LIMIT">XML_MAX_LOOKUP_LIMIT</a><br />
+<a href="html/libxml-xmlregexp.html#xmlExpNewRange">xmlExpNewRange</a><br />
 <a href="html/libxml-valid.html#xmlIsRef">xmlIsRef</a><br />
 </dd><dt>uri</dt><dd><a href="html/libxml-xmlIO.html#xmlNormalizeWindowsPath">xmlNormalizeWindowsPath</a><br />
-</dd><dt>usage</dt><dd><a href="html/libxml-tree.html#xmlGetBufferAllocationScheme">xmlGetBufferAllocationScheme</a><br />
+</dd><dt>usage</dt><dd><a href="html/libxml-parserInternals.html#XML_MAX_NAME_LENGTH">XML_MAX_NAME_LENGTH</a><br />
+<a href="html/libxml-tree.html#xmlGetBufferAllocationScheme">xmlGetBufferAllocationScheme</a><br />
 <a href="html/libxml-tree.html#xmlSetBufferAllocationScheme">xmlSetBufferAllocationScheme</a><br />
 </dd><dt>used:</dt><dd><a href="html/libxml-parser.html#XML_DEFAULT_VERSION">XML_DEFAULT_VERSION</a><br />
 </dd><dt>used?</dt><dd><a href="html/libxml-schemasInternals.html#_xmlSchemaAttribute">_xmlSchemaAttribute</a><br />
@@ -301,8 +306,8 @@
 <a href="APIchunk6.html">Q-R</a>
 <a href="APIchunk7.html">S-S</a>
 <a href="APIchunk8.html">T-U</a>
-<a href="APIchunk9.html">V-Y</a>
-<a href="APIchunk10.html">Z-a</a>
+<a href="APIchunk9.html">V-X</a>
+<a href="APIchunk10.html">Y-a</a>
 <a href="APIchunk11.html">b-b</a>
 <a href="APIchunk12.html">c-c</a>
 <a href="APIchunk13.html">d-d</a>