This tag reduces the font size of the enclosed text and floats it up above the baseline as superscripted text. It is usually combined with a link tag to a footnote or endnote.
When used with footnotes, leave a space between the last character before the superscript and the numeral of the superscript. This makes it easier to select the word using Reader’s highlighting, copy, and lookup functions.
class, id, lang, style, title (ignored)
<h4>Subscript</h4>
Subscripted text is displayed <sub>below</sub> the baseline. <br />
<br />
<h4>Superscript</h4>
Superscripted text goes <sup>above</sup> the baseline, as shown.
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