updated tagging documentation to reflect the new way of tagging news/events

svn path=/trunk/; revision=19369

contribute/web/tagging.en.xhtml

@@ -33,6 +33,10 @@
     have of course to be tagged accordingly. To do that, add as many 
     &lt;tag&gt;...&lt;/tag&gt; as necessary in the tags section.</p>
     
+    <p>
+      A list of tags currently in use can be found <a href="/tags/tags.html">here</a>.
+    </p>
+    
     <ul>
       <li>For news items and newsletters, within &lt;html&gt; &lt;/html&gt; if your file has the <var>xhtml</var> extension:</li>
     </ul>