From f9992899a280e6a16a08f436acceb443d82a88d9 Mon Sep 17 00:00:00 2001
From: Kate Higa <16447748+khiga8@users.noreply.github.com>
Date: Sun, 23 Feb 2025 18:57:24 -0500
Subject: [PATCH] Eliminate duplication issue

---
 src/utils.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/utils.js b/src/utils.js
index b6048f0..627050e 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -22,6 +22,12 @@ export function appendAccessibilityInfo() {
   removeOutdatedElements();
 
   document.querySelectorAll(".markdown-body").forEach(function (commentBody) {
+    // On GitHub Issues, .markdown-body is set twice on the same markdownbody. div.markdown-body > div.markdown-body
+    // To avoid setting annotation twice, early return.
+    if (commentBody.querySelectorAll(
+      ".github-a11y-heading-prefix, .github-a11y-img-caption"
+    ).length > 0) return
+
     commentBody.querySelectorAll("img").forEach(function (image) {
       const parentNodeName = image.parentElement.nodeName;
       if (parentNodeName === "A" || parentNodeName === "P") {