Onsen UI v2.0.0: ons-page is generated to double

Kenkichi

reproduction code is as follows:

<!DOCTYPE html>
<html>

<head>
  <meta charset='utf-8'>
  <link rel="stylesheet" type="text/css" href="node_modules/onsenui/css/onsenui.css" />
  <link rel="stylesheet" type="text/css" href="node_modules/onsenui/css/onsen-css-components.css" />
  <script src="node_modules/onsenui/js/onsenui.js"></script>
  <title>Test</title>
</head>

<body>

  <ons-template id="page1.html">
    <ons-page class="page1">page1</ons-page>
  </ons-template>
  <ons-template id="page2.html">
    <ons-page class="page2">page2</ons-page>
  </ons-template>

  <ons-tabbar>
    <ons-tab page="page1.html" label="page1" icon="square" active="true"></ons-tab>
    <ons-tab page="page2.html" label="page2" icon="square"></ons-tab>
  </ons-tabbar>

</body>
</html>