/**
     * Outputs the object as HTML.
     * @param HISTORY_ITEM $obj
     * @access private
     */
    protected function _display_as_html($obj)
    {
        $creator = $obj->creator();
        ?>
  <p class="detail">
    <?php 
        echo $obj->kind_as_icon() . ' ' . $creator->title_as_link() . ' - ' . $this->time($obj->time_created);
        ?>
  </p>
<?php 
        if (!$obj->description && !$obj->system_description) {
            switch ($obj->kind) {
                case History_item_created:
                    echo '<p>Created.</p>';
                    break;
                case History_item_deleted:
                    echo '<p>Deleted.</p>';
                    break;
            }
        } else {
            echo $obj->description_as_html();
            echo $obj->system_description_as_html();
        }
    }