From 8354774fcf3f4b6d61b545aebe09f00ea63724a0 Mon Sep 17 00:00:00 2001
From: SillyInventor <SillyInventor@gmail.com>
Date: Thu, 9 Feb 2017 14:09:01 -0500
Subject: [PATCH] Switch from return null to return empty string in
 keyCodeToScratchKey

---
 src/io/keyboard.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/io/keyboard.js b/src/io/keyboard.js
index da0e41625..c7a210803 100644
--- a/src/io/keyboard.js
+++ b/src/io/keyboard.js
@@ -56,7 +56,7 @@ Keyboard.prototype._keyCodeToScratchKey = function (keyCode) {
     case 39: return 'right arrow';
     case 40: return 'down arrow';
     }
-    return null;
+    return '';
 };
 
 /**