e class="code">@</code> character in the input.</li>
<li><code class="code">,</code>: does nothing.</li>
</ul>
<p>Following the <code class="code">%</code> character that introduces a conversion, there may be
    the special flag <code class="code">_</code>: the conversion that follows occurs as usual,
    but the resulting value is discarded.
    For instance, if <code class="code">f</code> is the function <code class="code"><span class="keyword">fun</span>&nbsp;i&nbsp;<span class="keywordsign">-&gt;</span