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- <!--
- Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/licenses/publicdomain/
- -->
- <html>
- <body style="filter:url(#thresholdAt128);">
- <div style="width:80px; height:80px; border: 1px solid black;">
- <div style="border:20px solid red; width:40px; height:40px;
- background:yellow;"></div>
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- <svg>
- <filter id="thresholdAt128" color-interpolation-filters="sRGB">
- <feColorMatrix type="matrix"
- values="255 0 0 0 -128
- 0 255 0 0 -128
- 0 0 255 0 -128
- 0 0 0 255 -128"/>
- </filter>
- </svg>
- </body>
- </html>
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