preparing release 2.5.3 Daniel

* NEWS doc/* configure.in: preparing release 2.5.3
Daniel
diff --git a/doc/xmlio.html b/doc/xmlio.html
index 386d992..3353709 100644
--- a/doc/xmlio.html
+++ b/doc/xmlio.html
@@ -264,6 +264,7 @@
 
 
 
+
 } </pre>
   </li>
   <li>And then use it to save the document: