Some personalizations to GNU Emacs 23

.emacs

(custom-set-variables
  ;; custom-set-variables was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
 '(desktop-save-mode t)
 '(inferior-lisp-program "sbcl")
 '(printer-name "Laserjet-3-office")
 '(ps-font-family (quote Courier))
 '(ps-font-size 10.0)
 '(python-python-command "python")
 '(version-control t))
(custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
 '(default ((t (:inherit nil :stipple nil :background "white" :foreground "black" :inverse-video nil :box nil :strike-through nil :overline nil :underline nil :slant normal :weight normal :height 87 :width normal :foundry "unknown" :family "DejaVu Sans Mono")))))


;;; This was installed by package-install.el.
;;; This provides support for the package system and
;;; interfacing with ELPA, the package archive.
;;; Move this code earlier if you want to reference
;;; packages in your .emacs.
(when
    (load
     (expand-file-name "~/.emacs.d/elpa/package.el"))
  (package-initialize))

;;; Typing of the Emacs game
(load-file "~/.emacs.d/local-libraries/typing.elc")


; directory to put various el files into
; (add-to-list 'load-path "/usr/share/emacs/includes")

(global-font-lock-mode 1)
(setq font-lock-maximum-decoration t)

; loads ruby mode when a .rb file is opened.
(autoload 'ruby-mode "ruby-mode" "Major mode for editing ruby scripts." t)
(setq auto-mode-alist  (cons '(".rb$" . ruby-mode) auto-mode-alist))
(setq auto-mode-alist  (cons '(".rhtml$" . html-mode) auto-mode-alist))

(add-hook 'ruby-mode-hook
          (lambda()
            (add-hook 'local-write-file-hooks
                      '(lambda()
                         (save-excursion
                           (untabify (point-min) (point-max))
                           (delete-trailing-whitespace)
                           )))
            (set (make-local-variable 'indent-tabs-mode) 'nil)
            (set (make-local-variable 'tab-width) 2)
            (imenu-add-to-menubar "IMENU")
            (define-key ruby-mode-map "\C-m" 'newline-and-indent)
            (require 'ruby-electric)
            (ruby-electric-mode t)
            ))

I wonder why this version of .emacs won't enable the compile command for Ruby. I get this message every time I open a Ruby file:

File mode specification error: (file-error
"Cannot open load file" "mode-compile")```