下載 http://members.optusnet.com.au/puyo/ruby-mode.el
放入emacs/site-lisp目錄
在.emacs中添加:
??? (autoload 'ruby-mode "ruby-mode" "Major mode for editing ruby scripts." t)
??? (setq auto-mode-alist (cons '("\\.rb$" . ruby-mode) auto-mode-alist))
??? (setq interpreter-mode-alist (append '(("ruby" . ruby-mode)) interpreter-mode-alist))
??? (setq load-path (append load-path '("X")))