/**
  * Check if the currently logged-in user has a certain privilege on a
  * node.
  *
  * @param string $node The full nodename of the node for which to check
  *                          access privileges. (modulename.nodename notation).
  * @param string $privilege The privilege to check (atkaction).
  *
  * @return bool True if the user has the privilege, false if not.
  */
 public function allowed($node, $privilege)
 {
     if (isset($this->m_resultallowed['all'])) {
         return $this->m_resultallowed['all'];
     }
     if (isset($this->m_resultallowed[$node . '.' . $privilege])) {
         return $this->m_resultallowed[$node . '.' . $privilege];
     }
     return parent::allowed($node, $privilege);
 }