From 9fcd86b3cd06761d5dee0d4db6ac99cc68280837 Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Fri, 18 Jun 2021 00:52:34 -0400
Subject: [PATCH] Pad: Fix `<script>` elements in `aceInitInnerdocbodyHead`
 hook

Using `.innerHTML` to create a `<script>` element does create a DOM
node, but the script is not actually executed. Fortunately, creating a
DocumentFragment does cause the script to execute.
---
 src/static/js/ace.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/src/static/js/ace.js b/src/static/js/ace.js
index 0772648af..3471f4421 100644
--- a/src/static/js/ace.js
+++ b/src/static/js/ace.js
@@ -278,9 +278,8 @@ const Ace2Editor = function () {
     innerDocument.head.appendChild(innerStyle);
     const headLines = [];
     hooks.callAll('aceInitInnerdocbodyHead', {iframeHTML: headLines});
-    const tmp = innerDocument.createElement('div');
-    tmp.innerHTML = headLines.join('\n');
-    while (tmp.firstChild) innerDocument.head.appendChild(tmp.firstChild);
+    innerDocument.head.appendChild(
+        innerDocument.createRange().createContextualFragment(headLines.join('\n')));
 
     // <body> tag
     innerDocument.body.id = 'innerdocbody';
