preparing 2.4.28 some cleanup updated the news and regenerated. Daniel

* configure.in: preparing 2.4.28
* libxml.spec.in doc/Makefile.am: some cleanup
* doc/*: updated the news and regenerated.
Daniel
diff --git a/doc/news.html b/doc/news.html
index b13b007..812f377 100644
--- a/doc/news.html
+++ b/doc/news.html
@@ -102,6 +102,16 @@
     Schemas</a> and <a href="http://www.w3.org/TR/xinclude">XInclude</a>
 </li>
 </ul>
+<h3>2.4.28: Nov 22 2002</h3>
+<ul>
+<li>a couple of python binding fixes</li>
+  <li>2 bug fixes in the XML push parser</li>
+  <li>potential memory leak removed (Martin Stoilov)</li>
+  <li>fix to the configure script for Unix (Dimitri Papadopoulos)</li>
+  <li>added encoding support for XInclude parse=&quot;text&quot;</li>
+  <li>autodetection of XHTML1 and specific serialization rules added</li>
+  <li>nasty threading bug fixed (William Brack) </li>
+</ul>
 <h3>2.4.27: Nov 17 2002</h3>
 <ul>
 <li>fixes for the Python bindings</li>