bers (this is reminiscent to the usual OCaml lexical
    conventions). If stricter scanning is desired, use the range
    conversion facility instead of the number conversions.</li>
</ul>
<ul>
<li>the <code class="code">scanf</code> facility is not intended for heavy duty lexical
    analysis and parsing. If it appears not expressive enough for your
    needs, several alternative exists: regular expressions (module
    <a href="Str.html"><code class="code"><span class="constructor">Str</span></code></a>), s