fier">date</span><span class="special">&gt;::</span><span class="identifier">right_open</span><span class="special">(</span><span class="identifier">someday</span><span class="special">,</span> <span class="identifier">thenday</span><span class="special">);</span>

    <span class="comment">// ------------------------------------------------------------------------
</span>    <span class="comment">// (1) In a first step, the regular working times are computed for the
</span>    <span class="comment">// comp