Update all the text widgets having the same name with the same value

src/display/annotation_layer.js

@@ -625,6 +625,18 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement {
     super(parameters, { isRenderable });
   }
 
+  setPropertyOnSiblings(base, key, value, keyInStorage) {
+    const storage = this.annotationStorage;
+    for (const element of document.getElementsByName(base.name)) {
+      if (element !== base) {
+        element[key] = value;
+        const data = Object.create(null);
+        data[keyInStorage] = value;
+        storage.setValue(element.getAttribute("id"), data);
+      }
+    }
+  }
+
   render() {
     const storage = this.annotationStorage;
     const id = this.data.id;
@@ -660,8 +672,14 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement {
       elementData.userValue = textContent;
       element.setAttribute("id", id);
 
-      element.addEventListener("input", function (event) {
+      element.addEventListener("input", event => {
         storage.setValue(id, { value: event.target.value });
+        this.setPropertyOnSiblings(
+          element,
+          "value",
+          event.target.value,
+          "value"
+        );
       });
 
       let blurListener = event => {

test/integration/annotation_spec.js

@@ -87,3 +87,38 @@ describe("Checkbox annotation", () => {
     });
   });
 });
+
+describe("Text widget", () => {
+  describe("issue13271.pdf", () => {
+    let pages;
+
+    beforeAll(async () => {
+      pages = await loadAndWait("issue13271.pdf", "[data-annotation-id='24R']");
+    });
+
+    afterAll(async () => {
+      await closePages(pages);
+    });
+
+    it("must update all the fields with the same value", async () => {
+      const base = "hello world";
+      await Promise.all(
+        pages.map(async ([browserName, page]) => {
+          await page.type("#\\32 5R", base);
+          await page.waitForFunction(
+            `document.querySelector("#\\\\32 4R").value !== ""`
+          );
+          await page.waitForFunction(
+            `document.querySelector("#\\\\32 6R").value !== ""`
+          );
+
+          let text = await page.$eval("#\\32 4R", el => el.value);
+          expect(text).withContext(`In ${browserName}`).toEqual(base);
+
+          text = await page.$eval("#\\32 6R", el => el.value);
+          expect(text).withContext(`In ${browserName}`).toEqual(base);
+        })
+      );
+    });
+  });
+});

test/pdfs/.gitignore

@@ -373,6 +373,7 @@
 !issue6106.pdf
 !issue6296.pdf
 !bug852992_reduced.pdf
+!issue13271.pdf
 !issue6298.pdf
 !issue6889.pdf
 !bug1001080.pdf