   <span class="keyword">case</span> <span class="identifier">ID_CHAR</span><span class="special">:</span> <span class="special">++</span><span class="identifier">c</span><span class="special">;</span> <span class="keyword">break</span><span class="special">;</span>
    <span class="keyword">default</span><span class="special">:</span>
        <span class="keyword">return</span> <span class="keyword">false</span><span class="special">;</span>
    <span class="special">}</span>
    <span class="keyword">retu