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Section 30.13 Footnotes

Footnotes are the farthest thing imaginable from structured authoring. You can put them anywhere, and conceivably they can contain anything. But they do work great in HTML presentations as knowls. However, we do not let the tail wag the dog, and so have to make some compromises for footnotes output in print formats.
  • As of 2019-01-04 we are fairly restrictive about content. No paragraphs, more like a few sentences, max. If you have more content, consider the <aside> element, and send feature requests for that.
  • Many blocks, such as <example> and <remark>, are implemented with the tcolorbox package, to make styling and layout much more capable and reliable. A footnote within such a block is numbered continuously with the surrounding text, and its text is set at the bottom of the page, with the mark hyperlinked to the text in an electronic PDF. One wrinkle: the text is held until the block finishes. So if you have a 4-page example, and use a footnote early, its text will appear at the bottom of the page where the example ends, 3 or 4 pages away from its mark.
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