skipemptyfilesets attributes of apply and execon - part 2.

forgot to save some files, sorry.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269039 13f79535-47bb-0310-9956-ffa450edef68

WHATSNEW

@@ -66,6 +66,8 @@ Other changes:
 * Allow the SQL Delimiter to be set in the so that Oracle stored procs may be
   entered  
 
+* <execon> and <apply> can now optionally skip empty filesets.
+
 Fixed bugs:
 -----------
 

docs/manual/CoreTasks/execon.html

@@ -63,6 +63,12 @@ command. At least one nested <code>&lt;fileset&gt;</code> is required.</p>
       variables are specified.</td>
     <td align="center" valign="top">No, default is <i>false</i></td>
   </tr>
+  <tr>
+    <td valign="top">skipemptyfilesets</td>
+    <td valign="top">Don't run the command, if no source files have
+      been found.</td>
+    <td align="center" valign="top">No, default is <i>false</i></td>
+  </tr>
   <tr>
     <td valign="top">parallel</td>
     <td valign="top">Run the command only once, appending all files as