<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:xlink="http://www.w3.org/1999/xlink"
   version="1.0">
  <rect fill="red" x="0" y="0" width="200" height="200" />
  <rect x="200" y="0" fill="none" width="200" height="200" transform="translate(-200,0)" id="crect" />
  <clipPath id="clip"><use xlink:href="#crect" /></clipPath>
  <rect fill="green" stroke="none" x="0" y="0" width="400" height="200" clip-path="url(#clip)" />
</svg>