an class="normal"> </span><span class="symbol">=</span><span class="normal"> </span><span class="string">"not"</span><span class="symbol">,</span><span class="normal"> or to negate </span><span class="usertype">the</span><span class="normal"> check</span><span class="symbol">.</span>
<span class="normal">lower </span><span class="number">2</span><span class="normal"> bytes</span>
<span class="normal">bit </span><span class="number">0</span><span class="normal"> </span><span class="symbol">=</span><span clas