racter, then the long option name
separated by a comma. Both parts are not required, though at least one
is necessary. May not contain any of the <code>&lt;flags&gt;</code> characters.
<code>h,help</code>, <code>dry-run</code> and <code>f</code> are examples of correct <code>&lt;opt-spec&gt;</code>.</p>
</dd>
<dt class="hdlist1"><code>&lt;flags&gt;</code></dt>
<dd>
<p><code>&lt;flags&gt;</code> are of <code>*</code>, <code>=</code>, <code>?</code> or <code>!</code>.</p>
<div class="ulist">
<ul>
<li>
<p>Use 