replace deprecated KeyboardEvent.keyIdentifier with .key

history.txt

@@ -3001,3 +3001,4 @@ http://snap.berkeley.edu/run#cloud:Username=jens&ProjectName=rotation
 160812
 ------
 * Threads: for hidden sprites display ASK questions in the input box
+* Morphic: replace deprecated KeyboardEvent.keyIdentifier with .key

morphic.js

@@ -1103,7 +1103,7 @@
 
 /*global window, HTMLCanvasElement, FileReader, Audio, FileList*/
 
-var morphicVersion = '2016-July-19';
+var morphicVersion = '2016-August-12';
 var modules = {}; // keep track of additional loaded modules
 var useBlurredShadows = getBlurredShadowSupport(); // check for Chrome-bug
 
@@ -4988,10 +4988,10 @@ CursorMorph.prototype.initializeClipboardHandler = function () {
             myself.processKeyDown(event);
             this.value = myself.target.selection();
             this.select();
-            
+
             // Make sure tab prevents default
-            if (event.keyIdentifier === 'U+0009' ||
+            if (event.key === 'U+0009' ||
-                    event.keyIdentifier === 'Tab') {
+                    event.key === 'Tab') {
                 myself.processKeyPress(event);
                 event.preventDefault();
             }