added fringe and put back line numbers

config/config-ui.el

@@ -2,11 +2,12 @@
 (tool-bar-mode -1)
 (menu-bar-mode -1)
 (scroll-bar-mode -1)
-(fringe-mode 0)
+(fringe-mode t)
 ;; Show column number in mode line
 (setq column-number-mode t)
 ;; line number
-(setq linum-format "%4d ")
+(setq linum-format "%4d")
+(setq global-linum-mode t)
 ;; no blink
 (blink-cursor-mode (- (*) (*) (*)))
 ;; tool tips in echo area
@@ -21,6 +22,9 @@
 ;; font
 (if (eq window-system 'x)
   (set-default-font "DejaVu Sans Mono-10"))
+;; highlight current line
+(global-hl-line-mode t)
+(set-face-background 'hl-line "#073642")
 ;; setup right and left margins
 (add-hook 'window-configuration-change-hook
           (lambda ()