preparing release 2.5.6 updated and rebuilt the docs Daniel

* configure.in NEWS: preparing release 2.5.6
* doc/*: updated and rebuilt the docs
Daniel
diff --git a/doc/xml.html b/doc/xml.html
index 5812826..f346f66 100644
--- a/doc/xml.html
+++ b/doc/xml.html
@@ -617,7 +617,20 @@
   Schemas</a></li>
 </ul>
 
-<p>2.5.5: Mar 24 2003</p>
+<h3>2.5.6: Apr 1 2003</h3>
+<ul>
+  <li>Fixed W3C XML Schemas datatype, should be compliant now except for
+    binHex and base64 which are not supported yet.</li>
+  <li>bug fixes: non-ASCII IDs, HTML output, XInclude on large docs and
+    XInclude entities handling, encoding detection on external subsets, XML
+    Schemas bugs and memory leaks, HTML parser (James Bursa)</li>
+  <li>portability: python/trio (Albert Chin), Sun compiler warnings</li>
+  <li>documentation: added --relaxng option to xmllint man page (John)</li>
+  <li>improved error reporting: xml:space, start/end tag mismatches, Relax NG
+    errors</li>
+</ul>
+
+<h3>2.5.5: Mar 24 2003</h3>
 <ul>
   <li>Lot of fixes on the Relax NG implementation. More testing including
     DocBook and TEI examples.</li>
@@ -2897,6 +2910,7 @@
 
 
 
+
 } </pre>
   </li>
   <li>And then use it to save the document: