init-auto-complete.el

(add-to-list 'load-path "~/.emacs.d/site-lisp/auto-complete/")
(require 'auto-complete-config)
(add-to-list 'ac-dictionary-directories "~/.emacs.d/site-lisp/auto-complete//ac-dict")
(ac-config-default)

(global-auto-complete-mode t)
;; (setq ac-auto-start nil)
(setq ac-dwim nil) ; To get pop-ups with docs even if a word is uniquely completed
(define-key ac-completing-map (kbd "C-n") 'ac-next)
(define-key ac-completing-map (kbd "C-p") 'ac-previous)

;;----------------------------------------------------------------------------
;; Use Emacs' built-in TAB completion hooks to trigger AC (Emacs >= 23.2)
;;----------------------------------------------------------------------------
(setq tab-always-indent 'complete)  ;; use 'complete when auto-complete is disabled
(add-to-list 'completion-styles 'initials t)

(provide 'init-auto-complete)