Getting Started

Footnotes

The footnote element usually generates a mark (a superscript symbol or number) at the place in the flow of the document in which it occurs. The body of the footnote is then presented elsewhere, typically at the bottom of the page or below a table.

To reference the same footnote several times in a topic, use the footnoteref. To do this, the original footnote needs an xml:id attribute with a unique id. Then in the footnoteref, reference that id with the linkend attribute.

Example 23. Footnote and footnoteref
<informaltable>
    <thead>
        <tr>
            <th>Variable</th>
            <th>Value</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>foo<footnote xml:id="foo">
                    <para>A meaningless variable name often used in programming examples</para>
                </footnote></td>
            <td>5</td>
        </tr>
        <tr>
            <td>bar<footnoteref linkend="foo"/></td>
            <td>3 </td>
        </tr>
    </tbody>
</informaltable>


See Also

footnote
footnoteref

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