-classes","type":"dfn","url":"https://www.w3.org/TR/CSS21/selector.html#x23"},
};

function mkRefHint(link, ref) {
    const linkText = link.textContent;
    let dfnTextElements = '';
    if (ref.displayText.toLowerCase() != linkText.toLowerCase()) {
        // Give the original term if it's being displayed in a different way.
        // But allow casing differences, they're insignificant.
        dfnTextElements =
            mk.li({},
                mk.b({}, "Term: "),
                mk.span({}, ref.dis