code: protected function filter_not($selector) {
  		$s = $this->select((string) $selector, false, true, true);
  		return ((!is_array($s)) || (array_search($this, $s, true) === false));
  	}
docs: Checks if node matches css query filter ":not(s)"
  @param string $selector
  @return bool
  @see match()
  @access private