Plate-plaque HTML valide W3C

<!DOCTYPE html>
<html lang="en">
  <head>
  <title>W3C Validated Boilerplate</title>
  </head>
  <body>

  <h1>This is a W3C validated HTML boilerplate</h1>
  <p>This is a paragraph.</p>

  </body>
</html>
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