439910.html
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Letter spacing with surrogate characters</title>
<style type="text/css">
p { letter-spacing: 10px; }
</style>
</head>
<body>
<!-- ASCII for sanity check -->
<p>AAAAAA</p>
<!-- SMP Characters, MATHEMATICAL BOLD CAPITAL A. It will probably appear as hexboxes, but that doesn't matter -->
<p>𝐀𝐀𝐀𝐀𝐀𝐀</p>
</body>
</html>
