/**
  * Create the meta tag with the specified value and definitions atributes
  *
  * @param string $metaValue
  * @param array $metaDef
  * @return stdCalss With the meta tag
  */
 public function createMetaTag($metaValue, array $metaDef)
 {
     if (!isset($metaDef['content'])) {
         $metaDef['content'] = null;
     }
     if (!isset($metaDef['modifiers'])) {
         $metaDef['modifiers'] = array();
     }
     return $this->_headMeta->createData($metaDef['type'], $metaValue, $metaDef['content'], $metaDef['modifiers']);
 }