From 49a098cb5d626d1e85c16f3f1a12a2b3ec7fd593 Mon Sep 17 00:00:00 2001
From: Calixte Denizet <calixte.denizet@gmail.com>
Date: Fri, 9 May 2025 21:46:17 +0200
Subject: [PATCH] Decode appearance keys of checkboxes

---
 src/core/annotation.js        | 2 +-
 test/pdfs/issue19753.pdf.link | 1 +
 test/test_manifest.json       | 9 +++++++++
 3 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 test/pdfs/issue19753.pdf.link

diff --git a/src/core/annotation.js b/src/core/annotation.js
index b6106fbee..8ef4e335c 100644
--- a/src/core/annotation.js
+++ b/src/core/annotation.js
@@ -3290,7 +3290,7 @@ class ButtonWidgetAnnotation extends WidgetAnnotation {
         ? this.data.fieldValue
         : "Yes";
 
-    const exportValues = normalAppearance.getKeys();
+    const exportValues = this._decodeFormValue(normalAppearance.getKeys());
     if (exportValues.length === 0) {
       exportValues.push("Off", yes);
     } else if (exportValues.length === 1) {
diff --git a/test/pdfs/issue19753.pdf.link b/test/pdfs/issue19753.pdf.link
new file mode 100644
index 000000000..2bd70b19d
--- /dev/null
+++ b/test/pdfs/issue19753.pdf.link
@@ -0,0 +1 @@
+https://github.com/user-attachments/files/19566810/PDFjs_fails_checkboxState.pdf
diff --git a/test/test_manifest.json b/test/test_manifest.json
index 99e6f53bd..71d7d8551 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -12114,5 +12114,14 @@
     "md5": "2abe67c8b34522feb6b85d252dde9d3e",
     "rounds": 1,
     "type": "eq"
+  },
+  {
+    "id": "issue19753",
+    "file": "pdfs/issue19753.pdf",
+    "md5": "6b1fe0af506860002a9411f5f0d6437f",
+    "rounds": 1,
+    "type": "eq",
+    "forms": true,
+    "link": true
   }
 ]