e normative text
    with <code>class="example"</code>,
    like this:

    </p>
   <div class="example" id="w3c-example">
    <a class="self-link" href="#w3c-example"></a>
        
    <p>This is an example of an informative example.
    </p>
   </div>
   <p>Informative notes begin with the word “Note”
    and are set apart from the normative text
    with <code>class="note"</code>,
    like this:

    </p>
   <p class="note" role="note">Note, this is an informative note.</p>
  </div>
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