function childCount($ignore_text_comments = false) {
		if (!$ignore_text_comments) {
			return count($this->children);
		} else{
			$count = 0;
			//foreach($this->children as &$c) {
			//	if (!$c->isTextOrComment()) {
			//		++$count;
			//	}
			//}

			foreach(array_keys($this->children) as $k) {
				if (!$this->children[$k]->isTextOrComment()) {
					++$count;
				}
			}
			return $count;
		}
	}