<!DOCTYPE html>
<meta charset="utf-8">
<title>Test reference</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
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div {
  font-size: 2em;
}
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<p>Test passes if the two lines below are identical.

<div>ab c</div>
<div>ab c</div>