Switch to side-by-side view

--- a/website/download.html
+++ b/website/download.html
@@ -103,6 +103,9 @@
 	you can install new or updated filters on
 	older Recoll packages and gain new file type support without
 	destabilizing your search setup.</p>
+
+      <p>You may be interested by the new XML filter that appeared
+        after the 1.17.2 release.</p>
 
       <h2><a name="source">Source</a></h2>