<html>
<head></head>
<link rel="stylesheet" type="text/css" href="{{url_for('static', filename='base.css')}}">
<body>
  {{nav.top.render()}}
  <h1>{{msg|default('Welcome')}}</h1>
</body>
</html>

<!doctype html>
<html>
<head>
<title>{{msg|default('example page')}}</title>
<link rel="stylesheet" type="text/css" href="{{url_for('static', filename='base.css')}}">
</head>
<body>
  {{nav.top.render()}}
  <h1>{{msg|default('Welcome')}}</h1>
</body>
</html>

Create valid HTML output in example app.
Create valid HTML output in example app.
