<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\001DE";
}
</style>
</head>
<body>
<p>Uppercase A Diaeresis and Macron using Hexa Decimal: Ǟ</p>
<p>Uppercase A Diaeresis and Macron using HTML Code: Ǟ</p>
<p id="point">Uppercase A Diaeresis and Macron using CSS Entity: </p>
</body>
</html>