_U</span> <span class="identifier">is</span> <span class="identifier">not</span> <span class="identifier">specified</span><span class="special">,</span> <span class="identifier">then</span> <span class="char">'value'</span> <span class="identifier">is</span> <span class="keyword">true</span> <span class="keyword">if</span> <span class="identifier">the</span> <span class="char">'name'</span> <span class="keyword">enum</span> 
            <span class="identifier">exists</span> <span class="identifier">within<