+;(require 'init-color-theme-2)
+;(require 'init-ido)
+;(require 'init-magit)
+;(require 'init-evil)
+;(require 'init-project)
+;(require 'init-ggtags)
+
+;(require 'init-projectile)
+
+;;;; conflict with C-c . in org-mode, disable it temporarily
+;;;;(require 'init-c-cpp)
+;(require 'init-key-binding)
+;(require 'init-winner)
+;(require 'init-minibuffer)
+;(require 'init-eshell)
+
+;; http://stackoverflow.com/questions/11484225/fix-an-auto-complete-mode-and-linum-mode-annoyance
+;;;(ac-linum-workaround)
+
+
+;(require 'init-mode-line)
+;(require 'init-workgroup2)
+;(require 'init-perl)
+
+;(add-to-list 'load-path "~/.emacs.d/Emacs-PDE-0.2.16/lisp/")
+;(load "pde-load") ;
+
+;(require 'init-linum)
+
+;(require 'auto-complete)
+;(require 'auto-complete-config)
+;(ac-config-default)
+
+
+
+
+;; page break configuration
+;(require 'pp-c-l)
+;(pretty-control-l-mode 1)
+
+;; persist command history of helm
+;(require 'session)
+;(add-hook 'after-init-hook 'session-initialize)
+
+
+;(require 'use-package)
+
+;; persist command history of helm
+;(use-package savehist
+; :init (savehist-mode)
+; :config
+; (setq history-length 1000
+; history-delete-duplicates t
+; savehist-additional-variables '(extended-command-history)))
+
+;;(savehist-mode)
+;; (setq history-length 1000
+;; history-delete-duplicates t
+;; savehist-additional-variables '(extended-command-history))
+
+; (setq split-height-threshold 0)
+
+
+
+
+
+;;;(require 'helm-gtags)
+;;;;(require 'setup-helm-gtags)
+;;;;(helm-gtags-mode 1)
+;;;;;; Enable helm-gtags-mode
+;;;(add-hook 'c-mode-hook 'helm-gtags-mode)
+;;;(add-hook 'c++-mode-hook 'helm-gtags-mode)
+;;;(add-hook 'asm-mode-hook 'helm-gtags-mode)
+;;;
+;;;;; customize
+;;;(custom-set-variables
+;;; '(helm-gtags-path-style 'relative)
+;;; '(helm-gtags-ignore-case t)
+;;; '(helm-gtags-auto-update t))
+;;;
+;;;;; key bindings
+;;;(eval-after-load "helm-gtags"
+;;; '(progn
+;;; (define-key helm-gtags-mode-map (kbd "M-t") 'helm-gtags-find-tag)
+;;; (define-key helm-gtags-mode-map (kbd "M-r") 'helm-gtags-find-rtag)
+;;; (define-key helm-gtags-mode-map (kbd "M-s") 'helm-gtags-find-symbol)
+;;; (define-key helm-gtags-mode-map (kbd "M-g M-p") 'helm-gtags-parse-file)
+;;; (define-key helm-gtags-mode-map (kbd "C-c <") 'helm-gtags-previous-history)
+;;; (define-key helm-gtags-mode-map (kbd "C-c >") 'helm-gtags-next-history)
+;;; (define-key helm-gtags-mode-map (kbd "M-,") 'helm-gtags-pop-stack)))
+
+
+;(require 'icicles)
+;(icy-mode 1)
+
+
+;;(require 'init-org)
+;(setq help-window-select t)
+
+
+
+;(require 'init-keychord)
+
+;(setq hydra-examples-verbatim t)
+;(require 'init-hydra)
+
+
+;(require 'ace-window)
+;(global-set-key (kbd "M-p") 'ace-window)
+
+
+;(require 'init-multi-term)
+;(require 'init-projectile)
+
+;(require 'page-break-lines)
+;(turn-on-page-break-lines-mode)
+;(global-page-break-lines-mode 1)
+
+;(setq projectile-completion-system 'helm)
+;(helm-projectile-on)
+
+
+;; show projectile name in mode-line
+
+
+;(if (locate-library "ediff")
+; (progn
+; (autoload 'ediff-files "ediff")
+; (autoload 'ediff-buffers "ediff")
+;
+; (eval-after-load "ediff" '(progn
+; (message "doing ediff customisation")
+; (setq diff-switches "-u"
+; ediff-custom-diff-options "-U3"
+; ediff-split-window-function 'split-window-horizontally
+; ediff-window-setup-function 'ediff-setu;p-windows-plain)
+;
+; (add-hook 'ediff-startup-hook 'ediff-toggle-w;ide-display)
+; (add-hook 'ediff-cleanup-hook 'ediff-toggle-w;ide-display)
+; (add-hook 'ediff-suspend-hook 'ediff-toggle-wide-display)))))
+
+
+
+;(defun update-diff-colors ()
+; "update the colors for diff faces"
+; (set-face-attribute 'diff-added nil
+; :foreground "white" :background "blue")
+; (set-face-attribute 'diff-removed nil
+; :foreground "white" :background "red3")
+; (set-face-attribute 'diff-changed nil
+; :foreground "white" :background "purple"))
+;(eval-after-load "diff-mode"
+; '(update-diff-colors))
+
+
+
+;(require 'helm-ag)
+;(require 'flx)
+;(flx-ido-mode t)
+
+
+
+;(fringe-mode (quote (0 . 0)))