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/APIchunk27.html b/doc/APIchunk27.html
index 7123c06..f182ab8 100644
--- a/doc/APIchunk27.html
+++ b/doc/APIchunk27.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>
@@ -284,7 +284,6 @@
 <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 />
@@ -318,8 +317,8 @@
 <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>