v3.13.1

Fixes #2082

package.json

@@ -1,7 +1,7 @@
 {
   "name": "xterm",
   "description": "Full xterm terminal, in your browser",
-  "version": "3.13.0",
+  "version": "3.13.1",
   "main": "lib/public/Terminal.js",
   "types": "typings/xterm.d.ts",
   "repository": "https://github.com/xtermjs/xterm.js",

src/AccessibilityManager.ts

@@ -249,9 +249,11 @@ export class AccessibilityManager extends Disposable {
       const lineData = buffer.translateBufferLineToString(buffer.ydisp + i, true);
       const posInSet = (buffer.ydisp + i + 1).toString();
       const element = this._rowElements[i];
-      element.textContent = lineData.length === 0 ? Strings.blankLine : lineData;
-      element.setAttribute('aria-posinset', posInSet);
-      element.setAttribute('aria-setsize', setSize);
+      if (element) {
+        element.textContent = lineData.length === 0 ? Strings.blankLine : lineData;
+        element.setAttribute('aria-posinset', posInSet);
+        element.setAttribute('aria-setsize', setSize);
+      }
     }
   }