<!doctype html>
<html âš¡>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,minimum-scale=1">
  <script async src="https://cdn.ampproject.org/v0.js"></script>
  <script async custom-element="amp-bind" src="https://cdn.ampproject.org/v0/amp-bind-0.1.js"></script>
</head>
<body>
  <template>
    <div data-amp-bind-text="foo">Hello, AMP world.</div>
  </template>
</body>
</html>
