code>attention</code> fields may be used to list separate
    notes.</td></tr>
    
  <tr><td width="10%" align="left" valign="top">
  <code>@<b>bug</b>:</code>&nbsp;... </td><td> 
    A description of a bug in an object.
    Multiple <code>bug</code> fields may be used to report separate
    bugs.</td></tr>
    
  <tr><td width="10%" align="left" valign="top">
  <code>@<b>warning</b>:</code>&nbsp;... </td><td> 
    A warning about an object.  Multiple
    <code>warning</code> fields may be used to report s