<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <svg xmlns="http://www.w3.org/2000/svg" class="reftest-wait" onload="startTest()"> <script> <![CDATA[ function startTest() { document.addEventListener("MozReftestInvalidate", boom, false); setTimeout(boom, 4000); // fallback for running outside reftest } function boom() { n = document.getElementById("m1"); n.style.overflow = "visible"; document.documentElement.removeAttribute("class"); } ]]> </script> <defs> <marker id="m1" orient="auto" markerUnits="strokeWidth"> <rect width="100%" height="100%" fill="blue"/> </marker> </defs> <rect width="100%" height="100%" fill="yellow"/> <line x1="30" x2="30" y1="10" y2="10" stroke="red" stroke-width="3" marker-end="url(#m1)"/> </svg>