Tryit Editor v1.8

Source Code:

<!DOCTYPE html>
<html>
<body>

<table border="1">
  <tr>
    <th abbr="Make">Toy manufacturer</th>
    <th abbr="Model">Vehicle model</th>
  </tr>
  <tr>
    <td>Bruder Toys</td>
    <td>Cross Country Vehicle</td>
  </tr>
  <tr>
    <td>Bruder Toys</td>
    <td>DHL Lorry</td>
  </tr>
</table>

<p><b>Note:</b> The abbr attribute is not supported in HTML5.</p>

</body>
</html>

Result:

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