+Highlight uncommitted changes in the left fringe.
+
+#+begin_src emacs-lisp
+(use-package diff-hl
+ :config
+ (setq diff-hl-draw-borders nil)
+ (global-diff-hl-mode)
+ (add-hook 'magit-post-refresh-hook 'diff-hl-magit-post-refresh t))
+#+end_src
+
+*** Borg's =layer/essentials=
+:PROPERTIES:
+:CUSTOM_ID: borg-essentials
+:END:
+
+TODO: break this giant source block down into individual org sections.
+
+#+begin_src emacs-lisp
+(use-package dash
+ :config (dash-enable-font-lock))
+
+(use-feature eldoc