presentation-attr/unselectable/button-unselectable-on-1.html

<!DOCTYPE html>
<html lang="en">
<head>
<title>&lt;button unselectable=on></title>
</head>
<body>
  <p>Button :<button unselectable="on">Button label</button>: Button</p>
</body>
</html>
1	wakaba	1.1	<!DOCTYPE html>
2			<html lang="en">
3			<head>
4			<title><button unselectable=on></title>
5			</head>
6			<body>
7			<p>Button :<button unselectable="on">Button label</button>: Button</p>
8			</body>
9			</html>