d><code>--helpshort</code></td>
  <td>shows only flags for the file with the same name as the executable 
      (usually the one containing <code>main()</code>)</td>
</tr><tr valign=top>
  <td><code>--helpxml</code></td>
  <td>like --help, but output is in xml for easier parsing</td>
</tr><tr valign=top>
  <td><code>--helpon=FILE &nbsp;</code></td>
  <td>shows only flags defined in FILE.*</td>
</tr><tr valign=top>
  <td><code>--helpmatch=S</code></td>
  <td>shows only flags defined in *S*.*</td>
</tr><tr va