<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <svg xmlns="http://www.w3.org/2000/svg"> <title>Test the 'marker' element with viewBox and preserveAspectRatio</title> <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=487649 This test checks that when the 'marker' support for viewBox and preserveAspectRatio. You should see what appears to be a blue circle right in the top left of the window. --> <marker id="marker" markerUnits="userSpaceOnUse" markerWidth="40" markerHeight="40" viewBox="10 0 20 40" preserveAspectRatio="none" refX="20" refY="20"> <ellipse cx="20" cy="20" rx="10" ry="20" fill="blue"/> </marker> <path d="M20,20 L20,21" fill="none" stroke="none" marker-start="url(#marker)"/> </svg>