2023-03-01 UTC
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[tantek] footnote << ^ docs with consuming code example: https://help.apple.com/itc/booksassetguide/en.lproj/itccf8ecf5c8.html <blockquote>You use two elements to create a pop-up footnote: an anchor (<code><a></code>) element that triggers the popup and the <code><aside></code> element that contains the footnote text. Both elements have an <code>epub:type</code> attribute to identify their purpose: <code>epub:type="noteref"</code> to trigger