text: module.exports = function(line) {
  	return [...line.render()].map(function([type, value]) {
  		if (type === "string") {
  			return "S" + value;
  		} else if (type === "node") {
  			return value.type + ":" + value.text;
  		} else if (type === "colour") {
  			return "C" + value;
  		} else if (type === "tab") {
  			return "T" + value;
  		}
  	}).join(",");
  }
  