elsif (JSON::XS::is_bool($node)) {
		#$node += 0;  #  this results in 1 or 0
		#$node = "$node";  #  this results in "true" or "false"
		$node = ($node) ? \1 : \0;  #  this results in \1 or \0  (which are mapped to Json true and false by encode_json...)
	}