 class="method-heading">
          <a href="MenuExtension.src/M000127.html" target="Code" class="method-signature"
            onclick="popupCode('MenuExtension.src/M000127.html');return false;">
          <span class="method-name">add_separator</span><span class="method-args">()</span>
          </a>
        </div>
      
        <div class="method-description">
          <p>
Adds a Gtk::SeparatorMenuItem to this instance&#8216;s menu.
</p>
        </div>
      </div>

      <div id="method-M000129" class=