fixed a bug for showing the senders of a message

HISTORY.md

@@ -15,6 +15,7 @@
     * rearranged the blocks in the lists category palette (moved commands up)
 * **Notable Fixes:**
     * don't show internal "compile" reporter in search results
+    * fixed a bug for showing the senders of a message
 * **Documentation Updates:**
     * updated manual with hyper-semantics of ITEM OF, thanks Brian!
 * **Translation Updates:**
@@ -22,6 +23,7 @@
 
 ### 2021-02-13
 * blocks, threads, lists: distinguish between "columns" (<3D) and (deep) "transpose"
+* byob: fixed a bug for showing the senders of a message
 
 ### 2021-02-12
 * blocks, threads, lists: distinguish between "transpose" (<3D) and "deep transpose"

snap.html

@@ -14,7 +14,7 @@
         <script src="src/gui.js?version=2021-02-04"></script>
         <script src="src/paint.js?version=2020-05-17"></script>
         <script src="src/lists.js?version=2021-02-13"></script>
-        <script src="src/byob.js?version=2020-12-22"></script>
+        <script src="src/byob.js?version=2021-02-13"></script>
         <script src="src/tables.js?version=2020-10-06"></script>
         <script src="src/sketch.js?version=2020-07-13"></script>
         <script src="src/video.js?version=2019-06-27"></script>

src/byob.js

@@ -9,7 +9,7 @@
     written by Jens Mönig
     jens@moenig.org
 
-    Copyright (C) 2020 by Jens Mönig
+    Copyright (C) 2021 by Jens Mönig
 
     This file is part of Snap!.
 
@@ -107,7 +107,7 @@ WatcherMorph, Variable, BooleanSlotMorph, XML_Serializer, SnapTranslator*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.byob = '2020-December-22';
+modules.byob = '2021-February-13';
 
 // Declarations
 
@@ -617,7 +617,9 @@ CustomBlockDefinition.prototype.collectDependencies = function (
 CustomBlockDefinition.prototype.isSending = function (message, receiverName) {
     return this.scripts.concat(
         this.body ? [this.body.expression] : []
-    ).some(script => script.isSending(message, receiverName));
+    ).some(script => script instanceof BlockMorph &&
+        script.isSending(message, receiverName)
+    );
 };
 
 // CustomCommandBlockMorph /////////////////////////////////////////////