chromium/third_party/blink/web_tests/svg/css/css-d.svg

<svg width="800" height="600" xmlns="http://www.w3.org/2000/svg">
    <style>
        #t {
            fill: blue;
            d: path("M 100 100 H 700 V 500 Z");
        }
    </style>
    <path id="t" d="M 300 200 H 500 V 400 H 300 Z"/>
</svg>