e" cx="200" cy="150" r="120" fx="144" fy="186" fr="0">
    </radialGradient>
  </defs>
  <rect x="0" y="0" width="400" height="300" fill="url(#test5)"></rect>
</svg>
<svg width="400" height="300" version="1.1" xmlns="http://www.w3.org/2000/svg">
  <defs>
  <!-- Start circle radius == 0 (outside end circle) -->
  <radialGradient href="#baseGrad" id="test6" gradientUnits="userSpaceOnUse" cx="200" cy="150" r="120" fx="23" fy="40" fr="0">
    </radialGradient>
  </defs>
  <rect x="0" y="0" width="400" height="3