: <ul>
    <li><b>fail</b> = throws a BuildException</li>
    <li><b>warn</b> = logs a message on warn level</li>
    <li><b>ignore</b> = logs a message on verbose level (default)</li>
    </ul>
    <em>Since Ant 1.7.1</em></td>
    <td valign="top" align="center">No, defaults to <tt>ignore</tt>. </td>
  </tr>
  <tr>
    <td valign="top">preserve0permissions</td>
    <td valign="top">when updating an archive or adding entries from a
    different archive Ant will assume that a Unix permissions value of
    