e that contains only <code>--</code>. The lines before the separator
(should be one or more) are used for the usage.
The lines after the separator describe the options.</p>
</div>
<div class="paragraph">
<p>Each line of options has this format:</p>
</div>
<div class="listingblock">
<div class="content">
<pre>&lt;opt-spec&gt;&lt;flags&gt;*&lt;arg-hint&gt;? SP+ help LF</pre>
</div>
</div>
<div class="dlist">
<dl>
<dt class="hdlist1"><code>&lt;opt-spec&gt;</code></dt>
<dd>
<p>its format is the short option cha