e">lo</code>: convert an <code class="code">int32</code> argument to
     the format specified by the second letter (decimal, hexadecimal, etc).</li>
<li><code class="code">nd</code>, <code class="code">ni</code>, <code class="code">nu</code>, <code class="code">nx</code>, <code class="code">nX</code>, <code class="code">no</code>: convert a <code class="code">nativeint</code> argument to
     the format specified by the second letter.</li>
<li><code class="code"><span class="constructor">Ld</span></code>, 