chromium/third_party/blink/web_tests/fast/forms/document-write-empty.html

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 <p>This tests that document.write() with no parameters does not output any text. See bug 815592. </p>

 <p>There should not be any text below this sentence.</p>
  <script>
  if (window.testRunner)
    testRunner.dumpAsText();
  document.write() 
  </script>
 
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