Doucument format attribute

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274574 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/OptionalTasks/echoproperties.html

@@ -51,6 +51,13 @@ but is really for debugging build files.</p>
     statement, and the build will continue without failure from this task.</td>
     <td valign="top" align="center">No</td>
   </tr>
+
+  <tr>
+    <td valign="top">format</td>
+    <td valign="top">One of <code>text</code> or <code>xml</code>.
+    Determines the output format.  Defaults to <code>text</code>.</td>
+    <td valign="top" align="center">No</td>
+  </tr>
 </table>
 <h3>Examples</h3>
 <blockquote><pre>
@@ -74,7 +81,7 @@ allow the build to continue.</p>
 <p>List all properties beginning with "java."</p>
 
 <hr>
-<p align="center">Copyright &copy; 2002 Apache Software Foundation. All rights
+<p align="center">Copyright &copy; 2002-2003 Apache Software Foundation. All rights
 Reserved.</p>
 
 </body>