Valid values for waitforunit and checkeveryunit provided.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270075 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/waitfor.html

@@ -32,7 +32,17 @@ if multiple conditions are specified, then the task will wait until all conditio
   <tr>
     <td valign="top">maxwaitunit</td>
     <td valign="top">The unit of time that must be used to interpret the value of the
-    maxwait attribute.  Defaults to millisecond.</td>
+    maxwait attribute.  Defaults to millisecond.
+                     Valid Values are
+                     <ul>
+                        <li>millisecond</li>
+                        <li>second</li>
+                        <li>minute</li>
+                        <li>hour</li>
+                        <li>day</li>
+                        <li>week</li>
+                     </ul>
+      </td>
     <td valign="top" align="center">No</td>
   </tr>
   <tr>
@@ -44,7 +54,17 @@ if multiple conditions are specified, then the task will wait until all conditio
   <tr>
     <td valign="top">checkeveryunit</td>
     <td valign="top">The unit of time that must be used to interpret the value of the
-    checkevery attribute.  Defaults to millisecond.</td>
+    checkevery attribute.  Defaults to millisecond.
+                     Valid Values are
+                     <ul>
+                        <li>millisecond</li>
+                        <li>second</li>
+                        <li>minute</li>
+                        <li>hour</li>
+                        <li>day</li>
+                        <li>week</li>
+                     </ul>
+    </td>
     <td valign="top" align="center">No</td>
   </tr>
 </table>