r">xml</span>
          <span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span>
                <span class="special">&lt;&lt;</span> <span class="identifier">val</span><span class="special">(</span><span class="string">"Error! Expecting "</span><span class="special">)</span>
                <span class="special">&lt;&lt;</span> <span class="identifier">_4</span>                               <span class="comment">// what failed?<