Documenting a feature that had been previously added (oops!).

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271248 13f79535-47bb-0310-9956-ffa450edef68

WHATSNEW

@@ -137,7 +137,7 @@ Other changes:
   <antcall> using nested <reference> elements or the new inheritRefs
   attribute.
 
-* <fail> no supports builds to fail based on conditions via if and
+* <fail> now supports builds to fail based on conditions via if and
   unless attributes.
 
 * Ant now comes with two new BuildLogger implementations - one that 
@@ -158,6 +158,8 @@ Other changes:
 * You can now set an ANT_ARGS environment variable to hold arguments you
   always want passed to the 'ant' command -- for example, if you always
   want to use a different logger or the -find flag.
+  
+* <tstamp> now supports a new "prefix" attribute to prefix properties set.WHATSNEW
 
 Changes from Ant 1.4 to Ant 1.4.1
 ===========================================

docs/manual/CoreTasks/tstamp.html

@@ -28,7 +28,10 @@ probably in an initialization target.</p>
     <td valign="top"><b>Description</b></td>
     <td align="center" valign="top"><b>Required</b></td>
   </tr>
-  <tr> <td colspan="3"> No parameters</td>
+  <tr>
+    <td valign="top">prefix</td>
+    <td valign="top">Prefix used for all properties set. The default is no prefix.</td>
+    <td align="center" valign="top">No</td>
   </tr>
 </table>
 
@@ -123,10 +126,18 @@ using English locale (eg. 21-May-2001).</p>
 </pre>
 <p>
 Creates a timestamp, in the property touch.time, 5 hours before the current time. The format in this example
-is suitable for use with the &lt;touch&gt; task</p>
+is suitable for use with the &lt;touch&gt; task. The standard properties are set also.</p>
+
+<pre>
+  &lt;tstamp prefix="start"/&gt;
+</pre>
+<p>
+Sets three properties with the standard formats, prefixed with "start.": 
+<code>start.DSTAMP</code>, <code>start.TSTAMP</code>, and <code>start.TODAY</code>.</p>
+
 
 <hr>
-<p align="center">Copyright &copy; 2001 Apache Software Foundation. All rights Reserved.</p>
+<p align="center">Copyright &copy; 2002 Apache Software Foundation. All rights Reserved.</p>
 
 </body>
 </html>