<!DOCTYPE html>
<html>
<head>
  <title>Helper page for ../unload-manual.html</title>
</head>
<body>
  <script src="./unload.js"></script>
  <script>
    setupListeners("b", "./unload-c.html");
  </script>
  <button id="proceed">Click me again!</button>
</body>
</html>