lass="listitem"><p>period_open_start_delimeter &#8211; default '['</p></li>
<li class="listitem"><p>period_open_range_end_delimeter &#8211; default ')'</p></li>
<li class="listitem"><p>period_closed_range_end_delimeter &#8211; default ']'</p></li>
<li class="listitem"><p>display_as_open_range, display_as_closed_range &#8211; default closed_range</p></li>
</ul></div>
<p>
</p>
<p>For a typical date_period, the contents of the input stream would be </p>
<pre class="programlisting"><span class="special">[</span