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footnotes
David D Lowe edited this page Apr 27, 2017
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The footnotes
extra provides support for footnotes with the following syntax:
This is a paragraph with a footnote. [^note-id]
[^note-id]: This is the text of the note.
Which produces HTML like this:
<p>This is a paragraph with a footnote.
<sup class="footnote-ref" id="fnref-note-id">
<a href="#fn-note-id">1</a></sup>
</p>
...
<div class="footnotes">
<hr />
<ol>
<li id="fn-note-id">
<p>This is the text of the note.
<a href="#fnref-note-id" class="footnoteBackLink" title="Jump back to footnote 1 in the text.">↩</a></p>
</li>
<li>...for subsequent footnotes
</li>
</ol>
</div>
This is as close as I can tell is the favoured output from the following sources:
- http://daringfireball.net/2005/07/footnotes
- http://six.pairlist.net/pipermail/markdown-discuss/2005-August/001442.html
- http://six.pairlist.net/pipermail/markdown-discuss/2005-August/001480.html
- I couldn't tell from the markdown-discuss discussion on footnotes whether John Gruber meant that the current date was added as a suffix to the anchors in his private Markdown.pl or whether he was literally putting in the "YYYY-MM-DD" strings in his markdown text.
- Daringfireball.net (John Gruber's) site uses the "footnoteBackLink" class on the backref
<a>
. Also, he does not add theclass="footnote-ref"
on<sup>
. Neither of these jive with what was described here. - Add hooks/variables on the
Markdown
class to allow easy tweaking of this output above.
Patch partly from Adam Gomaa (thanks Adam!).
The parameters footnote_title
and footnote_return_symbol
can be used to customise the title attribute of the return link in the footnote, and the contents of that link, respectively. This is especially useful for internationalisation.
html = markdown2.markdown(input, extras=["footnotes"], footnote_title="Jump back to footnote %d in the text.", footnote_return_symbol="↩")
markdown = Markdown(extras=["footnotes"], footnote_title="Jump back to footnote %d in the text.", footnote_return_symbol="↩")
Both of these parameters are optional. If footnote_title
is specified, it must contain %d
. Both of these parameters will be included in the final HTML unescaped after string formatting to replace %d
with the number of the footnote.
(Return to Extras page.)