</span>  <span class="special">|</span>   <span class="identifier">m</span>   <span class="identifier">m</span>            <span class="identifier">M</span>  <span class="special">|</span>     <span class="identifier">M</span> <span class="identifier">M</span>   <span class="identifier">M</span>  
</pre>
<p>
        </p>
<p>
          <span class="bold"><strong>and</strong></span> a <span class="emphasis"><em><span class="bold"><strong>selection
          by key objects</strong></span></em></span> here:
   