added "APL scalars" option to settings blocks

snap.html

@@ -8,7 +8,7 @@
         <script src="src/symbols.js?version=2020-06-17"></script>
         <script src="src/widgets.js?version=2020-05-06"></script>
         <script src="src/blocks.js?version=2020-06-24"></script>
-        <script src="src/threads.js?version=2020-06-22"></script>
+        <script src="src/threads.js?version=2020-06-24"></script>
         <script src="src/objects.js?version=2020-06-20"></script>
         <script src="src/gui.js?version=2020-06-22"></script>
         <script src="src/paint.js?version=2020-05-17"></script>

src/blocks.js

@@ -1431,7 +1431,8 @@ SyntaxElementMorph.prototype.labelPart = function (spec) {
                     'flat line ends' : ['flat line ends'],
                     'log pen vectors' : ['log pen vectors'],
                     'video capture' : ['video capture'],
-                    'mirror video' : ['mirror video']
+                    'mirror video' : ['mirror video'],
+                    '§_APL scalars' : ['APL scalars']
                 },
                 true
             );

src/threads.js

@@ -2297,6 +2297,9 @@ Process.prototype.doSetGlobalFlag = function (name, bool) {
     case 'mirror video':
         stage.mirrorVideo = bool;
         break;
+    case 'APL scalars':
+        this.toggleAPLscalars();
+        break;
     }
 };
 
@@ -2318,6 +2321,8 @@ Process.prototype.reportGlobalFlag = function (name) {
                 .data[3] > 0;
     case 'mirror video':
         return stage.mirrorVideo;
+    case 'APL scalars':
+        return Process.prototype.enableAPLscalars;
     default:
         return '';
     }