code: function (token) {
  	if (!token) {
  		return '';
  	}
  	if (typeof token === 'string') {
  		return token;
  	}
  	if (typeof token.content === 'string') {
  		return token.content;
  	}
  	return token.content.map(stringifyToken).join('');
  }
docs: The following will handle plain text inside tags