update docs

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@349645 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/uptodate.html

@@ -49,7 +49,8 @@ target execution depending on the relative age of the specified files.</p>
     <td valign="top">srcfile</td>
     <td valign="top">The file to check against the target file(s).</td>
     <td valign="top" align="center">Yes, unless a nested
-      <code>&lt;srcfiles&gt;</code> element is present.</td>
+    <code>&lt;srcfiles&gt;</code> or <code>&lt;srcresources&gt;</code>
+    element is present.</td>
   </tr>
   <tr>
     <td valign="top">targetfile</td>
@@ -67,6 +68,12 @@ set of files to check against the target file(s).</p>
 <p><strong>Note:</strong> You can specify either the <code>srcfile</code>
 attribute or nested <code>&lt;srcfiles&gt;</code> elements, but not both.
 
+<h4><a name="srcresources">srcresources</a></h4>
+<p>The nested <code>&lt;srcresources&gt;</code> element is a <a
+href="../CoreTypes/resources.html#union">union</a> and allows you to
+specify a collection of resources to check against the target file(s).
+<em>Since Ant 1.7</em></p>
+
 <h4><a name="mapper">mapper</a></h4>
 <p>The nested <code>&lt;mapper&gt;</code> element allows you to specify
 a set of target files to check for being up-to-date with respect to a