Merge branch 'pregmod-master' into 'pregmod-master'

Fix _S alias behavior on pages including <<scope>>

Closes #2075

See merge request !7448

src/zz1-last/setupEventHandlers.js

@@ -12,7 +12,8 @@ $(document).one(':passagestart', function() {
 
 $(document).on(':passagestart', function() {
 	Object.defineProperty(State.temporary, "S", {
-		get: () => S
+		get: () => S,
+		enumerable: true
 	});
 });