gan_node_html.php
protected function filter_last() {
		if ($this->parent === null) {
			return false;
		} else {
			return ($this->parent->childCount(true) - 1 === $this->index(false));
		}
	}
protected function filter_last() {
		if ($this->parent === null) {
			return false;
		} else {
			return ($this->parent->childCount(true) - 1 === $this->index(false));
		}
	}
Checks if node matches css query filter ":last"
@return bool
@see match()
@access private