From e8d546bd7ce88986cdb0363aead5ad868d3443dd Mon Sep 17 00:00:00 2001
From: Andri Alexandrou <andrialexandrou@github.com>
Date: Mon, 27 Jan 2025 11:12:48 -0800
Subject: [PATCH 1/3] fix: applies alt text only once

---
 src/utils.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/utils.js b/src/utils.js
index 76382aa..c015610 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -23,11 +23,7 @@ export function appendAccessibilityInfo() {
 
   document.querySelectorAll(".markdown-body").forEach(function (commentBody) {
     commentBody.querySelectorAll("img").forEach(function (image) {
-      const parentNodeName = image.parentElement.nodeName;
-      if (parentNodeName === "A" || parentNodeName === "P") {
-        const parent = image.closest("a") || image.closest("p");
-        validateImages(parent, image);
-      }
+      validateImages(image.closest("a") || image.closest("p"), image);
     });
 
     commentBody

From 9af937f2ec064953aeea4fb4b4a6bce95ce78c6b Mon Sep 17 00:00:00 2001
From: Andri Alexandrou <andrialexandrou@github.com>
Date: Mon, 27 Jan 2025 11:21:56 -0800
Subject: [PATCH 2/3] Add check for existing image caption.

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

diff --git a/src/utils.js b/src/utils.js
index c015610..4357803 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -101,6 +101,9 @@ function validateImagesWithAnchorParent(parent, image) {
     image.classList.add("github-a11y-img-invalid-alt");
   }
 
+  if (parent.querySelector('.github-a11y-img-caption')) {
+    return;
+  }
   const subtitle = createSubtitleElement();
   parent.classList.add("github-a11y-img-container");
 
@@ -123,6 +126,9 @@ function validateImagesWithNonAnchorParent(parent, image) {
   if (invalidAltText(altText)) {
     image.classList.add("github-a11y-img-invalid-alt");
   }
+  if (parent.querySelector('.github-a11y-img-caption')) {
+    return;
+  }
   const subtitle = createSubtitleElement();
   parent.classList.add("github-a11y-img-container");
 

From bd137c05fd385b3d0de0b18550ad39cfbb208991 Mon Sep 17 00:00:00 2001
From: Andri Alexandrou <andrialexandrou@github.com>
Date: Mon, 27 Jan 2025 11:24:08 -0800
Subject: [PATCH 3/3] revert

---
 src/utils.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utils.js b/src/utils.js
index 4357803..b6048f0 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -23,7 +23,11 @@ export function appendAccessibilityInfo() {
 
   document.querySelectorAll(".markdown-body").forEach(function (commentBody) {
     commentBody.querySelectorAll("img").forEach(function (image) {
-      validateImages(image.closest("a") || image.closest("p"), image);
+      const parentNodeName = image.parentElement.nodeName;
+      if (parentNodeName === "A" || parentNodeName === "P") {
+        const parent = image.closest("a") || image.closest("p");
+        validateImages(parent, image);
+      }
     });
 
     commentBody