emacsでruby-modeを使う設定

.emacs

;;;;
;;;; Ruby
;;;;
(add-to-list 'load-path "c:/somewhere/site-lisp")
(autoload 'ruby-mode "ruby-mode"
 "Mode for editing ruby source files" t)
(setq auto-mode-alist
 (append '(("\\.rb$" . ruby-mode)) auto-mode-alist))
(setq interpreter-mode-alist (append '(("ruby" . ruby-mode))
                               interpreter-mode-alist))
(autoload 'run-ruby "inf-ruby"
 "Run an inferior Ruby process")
(autoload 'inf-ruby-keys "inf-ruby"
 "Set local key defs for inf-ruby in ruby-mode")
(add-hook 'ruby-mode-hook
     '(lambda ()
       (inf-ruby-keys)))