waylan/Python-Markdown — pull request #62 by startling (2011-12-18 23:33:40+00:00)
Title: New configuration option for footnote extension: BACKLINK_TEXT

> BACKLINK_TEXT specifies the text that's used in the link at the end of
> the footnote to link back up to the reader's place. It still defaults to
> "↩".

I thought this might be useful.