#spacing-props" />
        <meta name="flags" content="ahem" />
        <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in 'em' units." />
        <style type="text/css">* { margin: 0; padding: 0 }
            div
            {
                font: 24px/1em Ahem;
            }
            div div
            {
                letter-spacing: -0em;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is only one box