To generate a footnote, use the \footnote{}
command and put your
footnote text as its argument. Note
that you should take care of punctuation properly at the end of the
footnote, especially if it happens to occur at the end of a sentence.
Note that footnotes go inside any closing punctuation.
The above footnote was written:
at the end of a chapter\footnote{This is what a footnote
looks like.}. Do not use
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