The manual was written by Kurt Hornik. He agreed to assign the
copyright for it to the FSF. I have updated and modified the manual.
* doc/misc/octave-mode.texi: Imported from GNU Octave
(doc/interpreter/emacs.txi).
* doc/misc/Makefile.in: Add octave-mode.texi.
* lisp/progmodes/octave.el (octave-mode, inferior-octave-mode): Link
to info manual and show keybindings and set `:group' keyword.