gan_node_html.php
protected function filter_nlastype($n) {
		if ($this->parent === null) {
			return false;
		} else {
			return (count($this->parent->getChildrenByTag($this->tag, 'total', false)) - $this->typeIndex() === (int) $n);
		}
	}
protected function filter_nlastype($n) {
		if ($this->parent === null) {
			return false;
		} else {
			return (count($this->parent->getChildrenByTag($this->tag, 'total', false)) - $this->typeIndex() === (int) $n);
		}
	}
Checks if node matches css query filter ":nth-last-of-type(n)"
@param string $n 1-based index
@return bool
@see match()
@access private