diff --git a/inits/30_auctex.el b/inits/30_auctex.el
index 2d43d92883406b68a424562668a41364be4357ba..05f9732a1ca22543c2a5533a88d0c61fc592f337 100644
--- a/inits/30_auctex.el
+++ b/inits/30_auctex.el
@@ -1,2 +1,13 @@
 (add-hook 'LaTeX-mode-hook '(lambda () (outline-minor-mode t)))
+;;
+;; RefTeX with AUCTeX
+;;
+(add-hook 'LaTeX-mode-hook 'turn-on-reftex)
+(setq reftex-plug-into-AUCTeX t)
+(setq TeX-auto-save t)
+(setq TeX-parse-self t)
 
+(setq LaTeX-float "hbt")
+(setq LaTeX-indent-level 2)
+(setq LaTeX-item-indent 0)
+(setq LaTeX-brace-indent-level 2)
diff --git a/inits/31_markdown.el b/inits/31_markdown.el
new file mode 100644
index 0000000000000000000000000000000000000000..7dcfc84b82615f540eef48193e0fc0220a89f745
--- /dev/null
+++ b/inits/31_markdown.el
@@ -0,0 +1,11 @@
+;; markdown mode
+;; markdownモード（gfm-mode Github flavor markdown mode）を拡張子と関連付けする
+(autoload 'markdown-mode "markdown-mode"
+   "Major mode for editing Markdown files" t)
+(add-to-list 'auto-mode-alist '("\\.text\\'" . gfm-mode))
+(add-to-list 'auto-mode-alist '("\\.markdown\\'" . gfm-mode))
+(add-to-list 'auto-mode-alist '("\\.md\\'" . gfm-mode))
+
+
+(setq markdown-command "grip --export - /dev/stdout")
+;(add-hook 'markdown-mode-hook '(lambda () (outline-minor-mode t)))