docs: function convertLater(context, waiting, fn) {
  	utils.forEach(waiting, function(p){
  		var packageName = p.packageName;
  		var requestedVersion = p.requestedVersion;
  
  		var conv = context.deferredConversions;
  		var pkg = conv[packageName];
  		if(!pkg) pkg = conv[packageName] = {};
  		var vers = pkg[requestedVersion];
  		if(!vers) vers = pkg[requestedVersion] = [];
  		vers.push(fn);
  	});
  }