class="half-spaced">
      Indicates whether the warning should be switched on or off. <code class="value">True</code> &rArr; switch on; <code class="value">False</code> &rArr; switch off.
    </div>
  </dd>
</dl>

<h4>
  [Prefs:Display] section
</h4>

<p>
  Stores  preferences for the main display.
</p>

<p>
  Name / Value pairs:
</p>

<dl class="indent">
  <dt>
    <code class="key">OverviewStartState</code> (Integer)
  </dt>
  <dd>
    Code that indicates the desired start state of the overview pane tree