release of 2.4.20 updated and rebuilt the docs Daniel

* configure.in: release of 2.4.20
* doc/*: updated and rebuilt the docs
Daniel
diff --git a/doc/xml.html b/doc/xml.html
index bd8d252..edcbaf4 100644
--- a/doc/xml.html
+++ b/doc/xml.html
@@ -556,6 +556,14 @@
     href="http://www.w3.org/TR/xinclude">XInclude</a></li>
 </ul>
 
+<h3>2.4.20: Apr 15 2002</h3>
+<ul>
+  <li>bug fixes: file descriptor leak, XPath, HTML ouput, DTD validation</li>
+  <li>XPath conformance testing by Richard Jinks</li>
+  <li>Portability fixes: Solaris, MPE/iX, Windows, OSF/1, python bindings,
+    libxml.m4</li>
+</ul>
+
 <h3>2.4.19: Mar 25 2002</h3>
 <ul>
   <li>bug fixes: half a dozen XPath bugs, Validation, ISO-Latin to UTF8
@@ -2563,6 +2571,7 @@
 
 
 
+
 } </pre>
   </li>
   <li>And then use it to save the document: