diff --git a/emacs/.emacs.d/modules/jg-core.el b/emacs/.emacs.d/modules/jg-core.el
index d427c03..12c2b0b 100644
--- a/emacs/.emacs.d/modules/jg-core.el
+++ b/emacs/.emacs.d/modules/jg-core.el
@@ -10,6 +10,13 @@
 (global-set-key "\C-x\C-m" 'execute-extended-command)
 (global-set-key "\C-c\C-m" 'execute-extended-command)
 
+;; Allow line highlighting
+(global-hl-line-mode +1)
+
+;; Highlight delimiter pairs
+(show-paren-mode 1)
+(setq show-paren-delay 0)
+
 ;; I keep mising Cx-Cf, so make it easier
 (global-set-key "\C-x\f" 'find-file)
 
diff --git a/emacs/.emacs.d/modules/jg-dev.el b/emacs/.emacs.d/modules/jg-dev.el
index da01611..0772555 100644
--- a/emacs/.emacs.d/modules/jg-dev.el
+++ b/emacs/.emacs.d/modules/jg-dev.el
@@ -96,5 +96,18 @@
 (use-package yaml-mode
   :ensure t)
 
+(ac-config-default)
+(require 'ac-geiser)
+(add-hook 'geiser-mode-hook 'ac-geiser-setup)
+(add-hook 'geiser-repl-mode-hook 'ac-geiser-setup)
+;;(eval-after-load "auto-complete"
+;;  (add-to-list 'ac-modes' geiser-repl-mode))
+
+(require 'paredit)
+(autoload 'enable-paredit-mode "paredit" "Turn on pseudo-structural editing of Lisp code." t)
+(add-hook 'scheme-mode-hook #'enable-paredit-mode)
+
+(require 'iedit)
+
 (provide 'jg-dev)
 ;;; jg-dev.el ends here