footnote-mode
footnote-mode is an interactive autoloaded compiled Lisp function in `footnote.el
'.
(footnote-mode &optional ARG)
Toggle Footnote mode.
With a prefix argument ARG, enable Footnote mode if ARG is
positive, and disable it otherwise. If called from Lisp, enable
the mode if ARG is omitted or nil.
Footnode mode is a buffer-local minor mode. If enabled, it
provides footnote support for `message-mode'. To get started,
play around with the following keys:
key binding
--- -------
C-c Prefix Command
C-c ! Prefix Command
C-c ! a Footnote-add-footnote
C-c ! b Footnote-back-to-message
C-c ! c Footnote-cycle-style
C-c ! d Footnote-delete-footnote
C-c ! g Footnote-goto-footnote
C-c ! r Footnote-renumber-footnotes
C-c ! s Footnote-set-style