="panel-heading text-left">
        <h3 class="panel-title">
          <a data-toggle="collapse" href="#vars-0">Variables</a>
        </h3>
      </div>
      <div id="vars-0" class="panel-collapse collapse">
        <div class="list-group">
            <a class="list-group-item" href="../program/demo_system_perm.html#variable-ierr~26">ierr</a>
            <a class="list-group-item" href="../program/demo_system_perm.html#variable-perms~2">perms</a>
            <a class="list-group-item" href="../program/dem