packages contained by the
    package.  </li>
    <li> A summary of the classes defined by the package. </li>
    <li> A summary of the functions defined by the package. </li>
    <li> A summary of the variables defined by the package. </li>
    <li> A detailed description of each function defined by the
    package. </li>
    <li> A detailed description of each variable defined by the
    package. </li>
  </ul>
  
  <p>Each <strong>Module Documentation</strong> page contains:</p>
  <ul>
    <li> A descript