Further information:
You can read commentary on this example at the relevant part of the HTML data Attribute article.
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<html>
<body>
<h1>How to set the time of deletion of text using the datetime attribute of the del element</h1>
<p>There are some <del datetime="2022-01-01T00:00:00" cite="Demonstrating del element">deleted words</del> in this
paragraph</p>
</body>
</html>
You can read commentary on this example at the relevant part of the HTML data Attribute article.