From f06307cb4cd4373d522287d469709088a45ba874 Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Sun, 15 Aug 2021 02:48:26 -0400
Subject: [PATCH] ace2_inner: Fix for..in iteration

See commit c38c34bef47a74467394797b34165641a87ac620.
---
 src/static/js/ace2_inner.js | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/static/js/ace2_inner.js b/src/static/js/ace2_inner.js
index 5f1885969..32946fbbf 100644
--- a/src/static/js/ace2_inner.js
+++ b/src/static/js/ace2_inner.js
@@ -2263,13 +2263,11 @@ function Ace2Inner(editorInfo, cssManagers) {
       detectChangesAroundLine(0, 1);
       detectChangesAroundLine(N - 1, 1);
 
-      for (const k in observedChanges.cleanNodesNearChanges) {
-        if (observedChanges.cleanNodesNearChanges[k]) {
-          const key = k.substring(1);
-          if (rep.lines.containsKey(key)) {
-            const line = rep.lines.indexOfKey(key);
-            detectChangesAroundLine(line, 2);
-          }
+      for (const k of Object.keys(observedChanges.cleanNodesNearChanges)) {
+        const key = k.substring(1);
+        if (rep.lines.containsKey(key)) {
+          const line = rep.lines.indexOfKey(key);
+          detectChangesAroundLine(line, 2);
         }
       }
     }