ional,</td>            <td>
              target
            </td>
            <td>::</td>
            <td><strong>err</strong></td>
            <td>
                <p>An optional errors-based object that if provided can
be used to retrieve information relating to any errors encountered 
during execution.  If not provided, a default implementation of the 
errors class is used internally to provide error handling.  Possible 
errors and warning messages that may be encountered are as follows.</p>
<ul>
<li>
<