Installing haskell-mode into Emacs on Ubuntu 12 -

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i'm following these instructions install haskell-mode on ubuntu 12. when point of typing m-x customize-option ret pac emacs says: no match! customizable variables shown in picture below.

any idea going wrong?

enter image description here

go init.el file (~/.emacs.d/init.el) , place there:

(setq package-archives       '(("gnu"         . "http://elpa.gnu.org/packages/")         ("original"    . "http://tromey.com/elpa/")         ("org"         . "http://orgmode.org/elpa/")         ("marmalade"   . "http://marmalade-repo.org/packages/")         ("melpa" . "http://melpa.milkbox.net/packages/")))  (package-initialize)

and m-x package-refresh-contents , can install haskell-mode there. make sure emacs version >= 24 since package.el bundled higher version. if using older version, may have manually install package.


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