From 73ccf3a2baba2ec694575c87f769da7d46b442d9 Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Sun, 26 Jun 2022 23:22:39 +0900
Subject: [PATCH] HTML Search: Minor errors are emitted on fetching search
 snipets

---
 CHANGES                                   | 1 +
 sphinx/themes/basic/static/searchtools.js | 4 +---
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/CHANGES b/CHANGES
index 9a3c9112ffc..4c73896890f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -34,6 +34,7 @@ Bugs fixed
 * HTML Search: HTML tags are displayed as a part of object name
 * HTML Search: search snipets should not be folded
 * HTML Search: The markers for header links are shown in the search result
+* HTML Search: Minor errors are emitted on fetching search snipets
 * #10520: HTML Theme: Fix use of sidebar classes in ``agogo.css_t``.
 * #6679: HTML Theme: Fix inclusion of hidden toctrees in the agogo theme.
 * #10566: HTML Theme: Fix enable_search_shortcuts does not work
diff --git a/sphinx/themes/basic/static/searchtools.js b/sphinx/themes/basic/static/searchtools.js
index c91278e98b0..b6bfd2db25f 100644
--- a/sphinx/themes/basic/static/searchtools.js
+++ b/sphinx/themes/basic/static/searchtools.js
@@ -155,9 +155,7 @@ const Search = {
   _pulse_status: -1,
 
   htmlToText: (htmlString) => {
-    const htmlElement = document
-      .createRange()
-      .createContextualFragment(htmlString);
+    const htmlElement = new DOMParser().parseFromString(htmlString, 'text/html');
     htmlElement.querySelectorAll(".headerlink").forEach((el) => { el.remove() });
     const docContent = htmlElement.querySelector('[role="main"]');
     if (docContent !== undefined) return docContent.textContent;