 (tool-bar-mode -1)
 
 ;;; Environment variables.
+(setenv "DISABLE_PRY_RAILS" "1")
 (setenv "GIT_PAGER" "")
+(setenv "RAILS_TRUSTED_IP" "192.168.0.18") ;<https://github.com/charliesome/better_errors#security>.
 ;; (setenv "ESHELL" (expand-file-name "/bin/zsh")) ;terminal <http://stackoverflow.com/questions/1568987/getting-emacs-to-respect-my-default-shell-options#1570246>
-(setenv "RAILS_TRUSTED_IP" "192.168.0.18") ;<https://github.com/charliesome/better_errors#security>.
-(setenv "DISABLE_PRY_RAILS" "1")
 
 ;; ;;; <http://emacswiki.org/ScrollBar>.
 ;; (scroll-bar-mode -1)

;; (setq iswitchb-buffer-ignore '("^ " "*scratch*" "*Messages*"
;;                                "*Completions*" "*Ibuffer*"))
;(setq iswitchb-default-method 'samewindow)

;;; Ibuffer <http://emacswiki.org/IbufferMode>,
;;; <http://emacs-fu.blogspot.ru/2010/02/dealing-with-many-buffers-ibuffer.html>,

(add-hook 'sass-mode-hook 'my-linum-mode-hook)
(add-hook 'sgml-mode-hook 'my-linum-mode-hook)
(add-hook 'sh-mode-hook 'my-linum-mode-hook)
(add-hook 'sql-mode-hook 'my-linum-mode-hook)
(add-hook 'xml-mode-hook 'my-linum-mode-hook)
(add-hook 'yaml-mode-hook 'my-linum-mode-hook)
;; (add-hook 'compilation-mode-hook 'my-linum-mode-hook)
;; (add-hook 'shell-mode-hook 'my-linum-mode-hook)

;;; HTML mode.
(add-to-list 'auto-mode-alist '("\\.lp\\'" . html-mode))
