="flags" content="ahem" />
        <meta name="assert" content="The 'font' property set to 'caption' correctly uses the system setting." />
        <style type="text/css">* { margin: 0; padding: 0 }
            div
            {
                font: 20px/1 Ahem;
                font: caption;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is a letter "X" below.</p>
        <div>X</div>
    </body>
</html>