&gt;</code> or
    <code>&lt;packageset&gt;</code></td>
  </tr>
  <tr>
    <td valign="top">sourcepathref</td>
    <td valign="top">Specify where to find source files by <a
      href="../using.html#references">reference</a> to a PATH defined elsewhere.</td>
    <td align="center" valign="top">all</td>
  </tr>
  <tr>
    <td valign="top">sourcefiles</td>
    <td valign="top">Comma separated list of source files -- see also
    the nested <code>source</code> element.</td>
    <td align="center" valign="top">