<ins>
What was added from one version to the next.
The counterpart of <del>. Together they form HTML's only mechanism dedicated to revisions: a diff living inside the document itself, with a date and a justification.
It can wrap either a run of a sentence or whole blocks — one of those elements that changes behaviour according to the content it receives.
<ins datetime="2025-06-19" cite="/revisoes/043/">
<p>Specimen re-collected after a revision of the specification.</p>
</ins>