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chromium/third_party/blink/web_tests/external/wpt/css/css-page/page-name-canvas-001-print-ref.html 

<!DOCTYPE html>
<html>
  <body>
    <canvas height="1" style="border: 1px solid black;"></canvas>
    <div style="break-before: page;">b</div>
  </body>
</html>