<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html lang="en">
<head>
<style type="text/css">
q:lang(en)
{
quotes: '"' '"' "'" "'"
}
</style>
</head>
<body>
<p><q>This is a <q>big</q> quote.</q></p>
<p><b>注释：</b>如果已规定 !DOCTYPE，那么 Internet Explorer 8 （以及更高版本）支持 quotes 属性。</p>
</body>
</html>