Update the 8.4-RELEASE schedule:

- add information related to the documentation slush
- update and comment out the wiki link, there is no wiki page for
  8.4-RELEASE yet.
Approved by:	gjb (mentor)

en_US.ISO8859-1/htdocs/releases/8.4R/schedule.xml

@@ -45,6 +45,14 @@
 	rough schedule.</td>
     </tr>
 
+    <tr>
+      <td>Announce <tt>doc/</tt> tree slush</td>
+      <td>-</td>
+      <td>28&nbsp;February&nbsp;2013</td>
+      <td>Notification of the impending <tt>doc/</tt> tree slush
+	should be sent to <tt>doc@</tt>.</td>
+    </tr>
+
     <tr>
       <td>Code freeze begins</td>
       <td>08&nbsp;March&nbsp;2013</td>
@@ -62,6 +70,16 @@
       <td>First beta test snapshot.</td>
     </tr>
 
+    <tr>
+      <td><tt>doc/</tt> tree slush</td>
+      <td>17&nbsp;March&nbsp;2013</td>
+      <td>-</td>
+      <td>Non-essential commits to the <tt>en_US.ISO8859-1/</tt>
+	subtree should be delayed from this point until after the
+	<tt>doc/</tt> tree tagging, to give translation teams time to
+	synchronize their work.</td>
+     </tr>
+
     <tr>
       <td>releng/&local.rel; branch</td>
       <td>18&nbsp;March&nbsp;2013</td>
@@ -107,10 +125,10 @@
 	announcement.</td>
     </tr>
   </table>
-
+<!--
   <h1>Internal Status / TODO</h1>
-  <a href="http://wiki.freebsd.org/Releng/8.3TODO">http://wiki.freebsd.org/Releng/8.3TODO</a>
-
+  <a href="http://wiki.freebsd.org/Releng/8.4TODO">http://wiki.freebsd.org/Releng/8.4TODO</a>
+-->
 
   </body>
 </html>