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Test for WK99481: This test passes if there is a green square with sharp (not blurry) edges.<br/>
<svg xmlns="http://www.w3.org/2000/svg" width="400" height="400">
  <g transform="scale(10)">
    <image x="0" y="0" width="10" height="10" xlink:href="data:image/svg+xml,
      <svg xmlns='http://www.w3.org/2000/svg'>
        <rect x='1' y='1' width='8' height='8' fill='green' />
      </svg>
    " />
  </g>
</svg>
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