Document <input>'s defaultvalue attribute.

PR: 18717
Submitted by:	Jan Mat�rne <jan at materne dot de>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274406 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/input.html

@@ -56,6 +56,13 @@ task</a> which means that existing properties cannot be overriden.</p>
     overriden.</td>
     <td valign="top" align="center">No</td>
   </tr>
+  <tr>
+    <td valign="top">defaultvalue</td>
+    <td valign="top">Defines the default value of the property to be
+    created from input.  Property value will be set to default if no
+    input is received.</td>
+    <td valign="top" align="center">No</td>
+  </tr>
 </table>
 <h3>Examples</h3>
 <pre>  &lt;input/&gt;</pre>
@@ -95,8 +102,17 @@ user.&quot;.</p>
 <p>Will display the message &quot;Please enter db-username:&quot; and set the
 property <code>db.user</code> to the value entered by the user.</p>
 
+<pre>  &lt;input
+    message=&quot;Please enter db-username:&quot;
+    addproperty=&quot;db.user&quot;
+    defaultvalue=&quot;Scott-Tiger&quot;
+  /&gt;</pre>
+<p>Same as above, but will set <code>db.user</code> to the value
+<i>Scott- Tiger</i> if the user enters no value (simply types
+&lt;return&gt;).</p>
+
 <hr>
-<p align="center">Copyright &copy; 2001-2002 Apache Software Foundation. All rights
+<p align="center">Copyright &copy; 2001-2003 Apache Software Foundation. All rights
 Reserved.</p>
 </body>
 </html>