er truth testing operators,
that give correct results.</li>
<li>One can re-assign the values <code>T</code> and <code>F</code>. One
can even run <code>T &lt;- FALSE</code> and <code>F &lt;- TRUE</code>!.
<code>tinycodet</code> adds the <code><a href="../reference/lock.html">lock_TF()</a></code> function that
forces <code>T</code> to stay <code>TRUE</code> and <code>F</code> to
stay <code>FALSE</code>.</li>
</ul>
<p>One example of <code><a href="../reference/pro.html">aes_pro()</a></code>:</p>
<div class="so