From d9c78e691eb649210fa407b28a2474f9c4ea6e66 Mon Sep 17 00:00:00 2001
From: jmoenig <jens@moenig.org>
Date: Tue, 7 Dec 2021 09:47:17 +0100
Subject: [PATCH] backwards-compatibility fix for key-event hat blocks

---
 HISTORY.md     | 4 ++++
 snap.html      | 2 +-
 src/objects.js | 5 +++--
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/HISTORY.md b/HISTORY.md
index a986ddd0..3efe3b9b 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -9,6 +9,7 @@
     * hide any block, including variables and custom helper blocks in palette, also use "hide/show var" primitive on custom blocks (same as on primitives)
     * generate Parsons Problems from projects: Hide all unused blocks from the scripting area in the palette
     * user defined custom block palettes
+    * introspection, syntax analysis and assembly (new block-attribute reporter, split & join scripts)
     * PWA, thanks, Joan and John, for pioneering this at Robolot and in Mircoblocks!
     * new "blocksZoom=n" url parameter, thanks, Bernat!
     * message and key hat blocks can be expanded to show an optional upvar referencing their event data
@@ -68,6 +69,9 @@
     * Chinese, thanks, Simon!
     * Brazilian Portuguese, thank you, Cassiano D'Andrea!
 
+### 2021-12-07
+* objects: backwards-compatibility fix for key-event hat blocks
+
 ### 2021-12-06
 * blocks, threads: refactored block assembly, experimental
 * German translation update
diff --git a/snap.html b/snap.html
index f5b53ff8..ff977eed 100755
--- a/snap.html
+++ b/snap.html
@@ -18,7 +18,7 @@
         <script src="src/widgets.js?version=2021-17-09"></script>
         <script src="src/blocks.js?version=2021-12-06"></script>
         <script src="src/threads.js?version=2021-12-06"></script>
-        <script src="src/objects.js?version=2021-12-05"></script>
+        <script src="src/objects.js?version=2021-12-07"></script>
         <script src="src/scenes.js?version=2021-11-24"></script>
         <script src="src/gui.js?version=2021-12-06"></script>
         <script src="src/paint.js?version=2021-07-05"></script>
diff --git a/src/objects.js b/src/objects.js
index 978cd74d..5867aa6d 100644
--- a/src/objects.js
+++ b/src/objects.js
@@ -87,7 +87,7 @@ BlockVisibilityDialogMorph*/
 
 /*jshint esversion: 6*/
 
-modules.objects = '2021-November-05';
+modules.objects = '2021-November-07';
 
 var SpriteMorph;
 var StageMorph;
@@ -6299,7 +6299,8 @@ SpriteMorph.prototype.allHatBlocksForKey = function (key) {
     return this.scripts.children.filter(morph => {
         if (morph.selector) {
             if (morph.selector === 'receiveKey') {
-                var evt = morph.inputs()[0].evaluate()[0];
+                var choice = morph.inputs()[0].evaluate(),
+                    evt = choice instanceof Array ? choice[0] : choice;
                 return evt === key || evt === 'any key';
             }
         }