<!DOCTYPE html>
<html>
<head>
<style>
#host {
    width: 200px;
}
</style>
</head>
<body>
<div id="host" tabindex=0>
    <div>
        <div><div>First line leads,</div></div>
    </div>
</div>
<script>
var host = document.getElementById("host");
var shadow1 = host.createShadowRoot();
shadow1.innerHTML = "<div><shadow></shadow><div></div></div>";
var shadow2 = host.createShadowRoot();
shadow2.innerHTML = "<section>"
                 +   "<shadow></shadow>"
                 +   "<div>second line follows.</div>"
                 + "</section>";
host.focus();
host.blur();
</script>
</body>
</html>