code: function mainIsUndefined(name)
  {
  	return function(domNode)
  	{
  		var message = 'Cannot initialize module `' + name +
  			'` because it has no `main` value!\nWhat should I show on screen?';
  		domNode.innerHTML = errorHtml(message);
  		throw new Error(message);
  	};
  }
docs: PROGRAM FAIL