-point argument to decimal notation,
     in style <code class="code">f</code> or <code class="code">e</code>, <code class="code"><span class="constructor">E</span></code> (whichever is more compact).</li>
<li><code class="code">h</code> or <code class="code"><span class="constructor">H</span></code>: convert a floating-point argument to hexadecimal notation,
     in the style <code class="code">0xh.hhhh&nbsp;e+-dd</code> (hexadecimal mantissa, exponent in
     decimal and denotes a power of 2).</li>
<li><c