old_contents: "use strict";
  
  module.exports = function(ecs, game) {
  	game.entities.registerSearch("matchParent", ["position", "match"]);
  	ecs.addEach(function matchParent(entity, elapsed) { // eslint-disable-line no-unused-vars
  		var match = game.entities.get(entity, "match");
  
  		var parentPosition = game.entities.get(match.id, "position");
  		if (parentPosition === undefined) {
  			return;
  		}
  
  		game.entities.set(entity, "position", {
  			x: parentPosition.x + match.offsetX,
  			y: parentPosition.y + match.offsetY,
              z: parentPosition.z + match.offsetZ
  		});
  	}, "matchParent");
  };
  
new_contents: "use strict";
  
  module.exports = function(ecs, game) {
  	game.entities.registerSearch("matchParent", ["position", "match"]);
  	ecs.addEach(function matchParent(entity, elapsed) { // eslint-disable-line no-unused-vars
  		var match = game.entities.get(entity, "match");
  
  		var parentPosition = game.entities.get(match.id, "position");
  		if (parentPosition === undefined) {
  			return;
  		}
  
  		game.entities.set(entity, "position", {
  			x: parentPosition.x + match.offsetX,
  			y: parentPosition.y + match.offsetY,
  			z: parentPosition.z + match.offsetZ
  		});
  	}, "matchParent");
  };
  
subject: Fix spacing