chromium/third_party/blink/web_tests/svg/custom/use-referencing-itself.svg

<?xml version="1.0" encoding="UTF-8"?>
<svg viewBox="0 0 480 360" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">

<!-- This test shouldn't display anything because it refers to itself. If we have an
     other element in defs e.g. <defs> <rect id="someOtherElement"/></defs> and we would 
     use it that construction should work. -->
    <use id="mySelf" x="25" y="25" xlink:href="use-referencing-itself.svg#mySelf" />

</svg>