21/visuren.html#propdef-display" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#display-prop" />
        <link rel="match" href="display-012-ref.xht" />

        <meta name="assert" content="The property 'display' set to 'table-column-group' behaves in layout as a table column group." />
        <style type="text/css">
            #table
            {
                display: table;
            }
            span
            {
                display: table-column-group;
         