public static function _renderRepeat(HTML_QuickForm2_Renderer $renderer, HTML_QuickForm2_Container_Repeat $repeat)
 {
     $break = HTML_Common2::getOption('linebreak');
     $html[] = '<div class="row repeat" id="' . $repeat->getId() . '">';
     $label = $repeat->getLabel();
     if (!is_array($label)) {
         $label = array($label);
     }
     if (!empty($label[0])) {
         $html[] = '<p>' . array_shift($label) . '</p>';
     }
     $elements = array_pop($renderer->html);
     $content = implode($break, $elements);
     $html[] = $content;
     $html[] = '</div>';
     return implode($break, $html) . $break;
 }