 is used in the generation of the USAGE statement. The goal is to be helpful to the end user of the program. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>parser</em>&nbsp;</td><td>- A <a class="el" href="classTCLAP_1_1CmdLine.html" title="The base class that manages the command line definition and passes along the parsing...">CmdLine</a> parser object to add this <a class="el" href="classTCLAP_1_1Arg.html" title="A virtual base class that defines the essential data for all arguments.">Arg</