diff --git a/elpa/helm-smex-20160530.1236/helm-smex-autoloads.el b/elpa/helm-smex-20160530.1236/helm-smex-autoloads.el
new file mode 100644
index 0000000..4dc638d
--- /dev/null
+++ b/elpa/helm-smex-20160530.1236/helm-smex-autoloads.el
@@ -0,0 +1,27 @@
+;;; helm-smex-autoloads.el --- automatically extracted autoloads
+;;
+;;; Code:
+(add-to-list 'load-path (directory-file-name (or (file-name-directory #$) (car load-path))))
+
+;;;### (autoloads nil "helm-smex" "helm-smex.el" (22532 34889 409877
+;;;;;;  890000))
+;;; Generated autoloads from helm-smex.el
+
+(autoload 'helm-smex "helm-smex" "\
+
+
+\(fn)" t nil)
+
+(autoload 'helm-smex-major-mode-commands "helm-smex" "\
+
+
+\(fn)" t nil)
+
+;;;***
+
+;; Local Variables:
+;; version-control: never
+;; no-byte-compile: t
+;; no-update-autoloads: t
+;; End:
+;;; helm-smex-autoloads.el ends here
diff --git a/elpa/helm-smex-20160530.1236/helm-smex-pkg.el b/elpa/helm-smex-20160530.1236/helm-smex-pkg.el
new file mode 100644
index 0000000..4a5f058
--- /dev/null
+++ b/elpa/helm-smex-20160530.1236/helm-smex-pkg.el
@@ -0,0 +1,2 @@
+;;; -*- no-byte-compile: t -*-
+(define-package "helm-smex" "20160530.1236" "Helm interface for smex" '((emacs "24") (smex "3.0") (helm "1.7.7")) :keywords '("convenience"))
diff --git a/elpa/helm-smex-20160530.1236/helm-smex.el b/elpa/helm-smex-20160530.1236/helm-smex.el
new file mode 100644
index 0000000..f8bb6e7
--- /dev/null
+++ b/elpa/helm-smex-20160530.1236/helm-smex.el
@@ -0,0 +1,98 @@
+;;; helm-smex.el --- Helm interface for smex -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2016  Peter Vasil
+
+;; Author: Peter Vasil <mail@petervasil.net>
+;; Version: 0.1
+;; Package-Version: 20160530.1236
+;; Package-Requires: ((emacs "24") (smex "3.0") (helm "1.7.7"))
+;; Keywords: convenience
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This package provides the helm interface for smex.
+;;
+;; Example config:
+;;
+;;   (require 'helm-smex)
+;;   (global-set-key [remap execute-extended-command] #'helm-smex)
+;;   (global-set-key (kbd "M-X") #'helm-smex-major-mode-commands)
+
+;;; Code:
+
+(require 'smex)
+(require 'helm)
+(require 'helm-elisp)
+(require 'helm-source)
+
+(defun helm-smex--init ()
+  (unless smex-initialized-p
+    (smex-initialize))
+  (and smex-auto-update
+       (smex-detect-new-commands)
+       (smex-update)))
+
+(defun helm-smex--execute-command (command)
+  (let ((prefix-arg current-prefix-arg))
+    (unwind-protect
+        (command-execute command 'record)
+      (smex-rank command))))
+
+(defun helm-smex--persistent-action (candidate)
+  (helm-elisp--persistent-help
+   candidate 'helm-describe-function))
+
+(defclass helm-smex-source (helm-source-sync)
+  ((init :initform 'helm-smex--init)
+   (candidates :initform 'smex-ido-cache)
+   (match :initform 'helm-fuzzy-match)
+   (action :initform 'helm-smex--execute-command)
+   (coerce :initform 'intern)
+   (persistent-action
+    :initform helm-smex--persistent-action)
+   (persistent-help :initform "Describe command")))
+
+(defun helm-smex--major-mode-commands (mode map)
+  (unless smex-initialized-p
+    (smex-initialize))
+  (let ((commands
+         (delete-dups
+          (append (smex-extract-commands-from-keymap map)
+                  (smex-extract-commands-from-features mode)))))
+    (mapcar #'symbol-name
+            (smex-sort-according-to-cache commands))))
+
+;;;###autoload
+(defun helm-smex ()
+  (interactive)
+  (let ((helm--mode-line-display-prefarg t))
+    (helm :buffer "*helm-smex*"
+          :sources (helm-make-source "Smex" 'helm-smex-source))))
+
+;;;###autoload
+(defun helm-smex-major-mode-commands ()
+  (interactive)
+  (let ((helm--mode-line-display-prefarg t)
+        (candidates-fn (apply #'helm-smex--major-mode-commands
+                              (list major-mode (current-local-map)))))
+    (helm :buffer "*helm-smex*"
+          :sources (helm-make-source
+                       "Smex-major-mode-commands" 'helm-smex-source
+                     :init nil :candidates candidates-fn))))
+
+(provide 'helm-smex)
+
+;;; helm-smex.el ends here
diff --git a/elpa/smex-20151212.1409/smex-autoloads.el b/elpa/smex-20151212.1409/smex-autoloads.el
new file mode 100644
index 0000000..f8418da
--- /dev/null
+++ b/elpa/smex-20151212.1409/smex-autoloads.el
@@ -0,0 +1,31 @@
+;;; smex-autoloads.el --- automatically extracted autoloads
+;;
+;;; Code:
+(add-to-list 'load-path (directory-file-name (or (file-name-directory #$) (car load-path))))
+
+;;;### (autoloads nil "smex" "smex.el" (22532 34888 921875 463000))
+;;; Generated autoloads from smex.el
+
+(autoload 'smex "smex" "\
+
+
+\(fn)" t nil)
+
+(autoload 'smex-major-mode-commands "smex" "\
+Like `smex', but limited to commands that are relevant to the active major mode.
+
+\(fn)" t nil)
+
+(autoload 'smex-initialize "smex" "\
+
+
+\(fn)" t nil)
+
+;;;***
+
+;; Local Variables:
+;; version-control: never
+;; no-byte-compile: t
+;; no-update-autoloads: t
+;; End:
+;;; smex-autoloads.el ends here
diff --git a/elpa/smex-20151212.1409/smex-pkg.el b/elpa/smex-20151212.1409/smex-pkg.el
new file mode 100644
index 0000000..6d4a342
--- /dev/null
+++ b/elpa/smex-20151212.1409/smex-pkg.el
@@ -0,0 +1,2 @@
+;;; -*- no-byte-compile: t -*-
+(define-package "smex" "20151212.1409" "M-x interface with Ido-style fuzzy matching." '((emacs "24")) :url "http://github.com/nonsequitur/smex/" :keywords '("convenience" "usability"))
diff --git a/elpa/smex-20151212.1409/smex.el b/elpa/smex-20151212.1409/smex.el
new file mode 100644
index 0000000..b9c2b41
--- /dev/null
+++ b/elpa/smex-20151212.1409/smex.el
@@ -0,0 +1,484 @@
+;;; smex.el --- M-x interface with Ido-style fuzzy matching. -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2009-2014 Cornelius Mika and contributors
+;;
+;; Author: Cornelius Mika <cornelius.mika@gmail.com> and contributors
+;; URL: http://github.com/nonsequitur/smex/
+;; Package-Version: 20151212.1409
+;; Package-Requires: ((emacs "24"))
+;; Version: 3.0
+;; Keywords: convenience, usability
+
+;; This file is not part of GNU Emacs.
+
+;;; License:
+
+;; Licensed under the same terms as Emacs.
+
+;;; Commentary:
+
+;; Quick start:
+;; run (smex-initialize)
+;;
+;; Bind the following commands:
+;; smex, smex-major-mode-commands
+;;
+;; For a detailed introduction see:
+;; http://github.com/nonsequitur/smex/blob/master/README.markdown
+
+;;; Code:
+
+(require 'ido)
+
+(defgroup smex nil
+  "M-x interface with Ido-style fuzzy matching and ranking heuristics."
+  :group 'extensions
+  :group 'convenience
+  :link '(emacs-library-link :tag "Lisp File" "smex.el"))
+
+(defcustom smex-auto-update t
+  "If non-nil, `Smex' checks for new commands each time it is run.
+Turn it off for minor speed improvements on older systems."
+  :type 'boolean
+  :group 'smex)
+
+(defcustom smex-save-file (locate-user-emacs-file "smex-items" ".smex-items")
+  "File in which the smex state is saved between Emacs sessions.
+Variables stored are: `smex-data', `smex-history'.
+Must be set before initializing Smex."
+  :type 'string
+  :group 'smex)
+
+(defcustom smex-history-length 7
+  "Determines on how many recently executed commands
+Smex should keep a record.
+Must be set before initializing Smex."
+  :type 'integer
+  :group 'smex)
+
+(defcustom smex-prompt-string "M-x "
+  "String to display in the Smex prompt."
+  :type 'string
+  :group 'smex)
+
+(defcustom smex-flex-matching t
+  "Enables Ido flex matching. On by default.
+Set this to nil to disable fuzzy matching."
+  :type 'boolean
+  :group 'smex)
+
+(defvar smex-initialized-p nil)
+(defvar smex-cache)
+(defvar smex-ido-cache)
+(defvar smex-data)
+(defvar smex-history)
+(defvar smex-command-count 0)
+(defvar smex-custom-action nil)
+
+;; Check if Smex is supported
+(when (equal (cons 1 1)
+             (ignore-errors
+               (subr-arity (symbol-function 'execute-extended-command))))
+  (error "Your Emacs has a non-elisp version of `execute-extended-command', which is incompatible with Smex"))
+
+;;--------------------------------------------------------------------------------
+;; Smex Interface
+
+;;;###autoload
+(defun smex ()
+  (interactive)
+  (unless smex-initialized-p
+    (smex-initialize))
+  (if (smex-already-running)
+      (smex-update-and-rerun)
+    (and smex-auto-update
+         (smex-detect-new-commands)
+         (smex-update))
+    (smex-read-and-run smex-ido-cache)))
+
+(defun smex-already-running ()
+  (and (boundp 'ido-choice-list)
+       (eql ido-choice-list smex-ido-cache)
+       (minibuffer-window-active-p (selected-window))))
+
+(defun smex-update-and-rerun ()
+  (smex-do-with-selected-item
+   (lambda (_) (smex-update) (smex-read-and-run smex-ido-cache ido-text))))
+
+(defun smex-read-and-run (commands &optional initial-input)
+  (let* ((chosen-item-name (smex-completing-read commands initial-input))
+         (chosen-item (intern chosen-item-name)))
+    (if smex-custom-action
+        (let ((action smex-custom-action))
+          (setq smex-custom-action nil)
+          (funcall action chosen-item))
+      (unwind-protect
+          (with-no-warnings ; Don't warn about interactive use of `execute-extended-command'
+            (execute-extended-command current-prefix-arg chosen-item-name))
+        (smex-rank chosen-item)))))
+
+;;;###autoload
+(defun smex-major-mode-commands ()
+  "Like `smex', but limited to commands that are relevant to the active major mode."
+  (interactive)
+  (unless smex-initialized-p
+    (smex-initialize))
+  (let ((commands (delete-dups (append (smex-extract-commands-from-keymap (current-local-map))
+                                       (smex-extract-commands-from-features major-mode)))))
+    (setq commands (smex-sort-according-to-cache commands))
+    (setq commands (mapcar #'symbol-name commands))
+    (smex-read-and-run commands)))
+
+(defun smex-completing-read (choices initial-input)
+  (let ((ido-completion-map ido-completion-map)
+        (ido-setup-hook (cons 'smex-prepare-ido-bindings ido-setup-hook))
+        (ido-enable-prefix nil)
+        (ido-enable-flex-matching smex-flex-matching)
+        (ido-max-prospects 10)
+        (minibuffer-completion-table choices))
+    (ido-completing-read (smex-prompt-with-prefix-arg) choices nil nil
+                         initial-input 'extended-command-history (car choices))))
+
+(defun smex-prompt-with-prefix-arg ()
+  (if (not current-prefix-arg)
+      smex-prompt-string
+    (concat
+     (if (eq current-prefix-arg '-)
+         "- "
+       (if (integerp current-prefix-arg)
+           (format "%d " current-prefix-arg)
+         (if (= (car current-prefix-arg) 4)
+             "C-u "
+           (format "%d " (car current-prefix-arg)))))
+     smex-prompt-string)))
+
+(defun smex-prepare-ido-bindings ()
+  (define-key ido-completion-map (kbd "TAB") 'minibuffer-complete)
+  (define-key ido-completion-map (kbd "C-h f") 'smex-describe-function)
+  (define-key ido-completion-map (kbd "C-h w") 'smex-where-is)
+  (define-key ido-completion-map (kbd "M-.") 'smex-find-function)
+  (define-key ido-completion-map (kbd "C-a") 'move-beginning-of-line))
+
+;;--------------------------------------------------------------------------------
+;; Cache and Maintenance
+
+(defun smex-rebuild-cache ()
+  (interactive)
+  (setq smex-cache nil)
+
+  ;; Build up list 'new-commands' and later put it at the end of 'smex-cache'.
+  ;; This speeds up sorting.
+  (let (new-commands)
+    (mapatoms (lambda (symbol)
+                (when (commandp symbol)
+                  (let ((known-command (assq symbol smex-data)))
+                    (if known-command
+                        (setq smex-cache (cons known-command smex-cache))
+                      (setq new-commands (cons (list symbol) new-commands)))))))
+    (if (eq (length smex-cache) 0)
+        (setq smex-cache new-commands)
+      (setcdr (last smex-cache) new-commands)))
+
+  (setq smex-cache (sort smex-cache 'smex-sorting-rules))
+  (smex-restore-history)
+  (setq smex-ido-cache (smex-convert-for-ido smex-cache)))
+
+(defun smex-convert-for-ido (command-items)
+  (mapcar (lambda (command-item) (symbol-name (car command-item))) command-items))
+
+(defun smex-restore-history ()
+  "Rearranges `smex-cache' according to `smex-history'"
+  (if (> (length smex-history) smex-history-length)
+      (setcdr (nthcdr (- smex-history-length 1) smex-history) nil))
+  (mapc (lambda (command)
+          (unless (eq command (caar smex-cache))
+            (let ((command-cell-position (smex-detect-position
+                                          smex-cache
+                                          (lambda (cell)
+                                            (eq command (caar cell))))))
+              (when command-cell-position
+                (let ((command-cell (smex-remove-nth-cell
+                                     command-cell-position smex-cache)))
+                  (setcdr command-cell smex-cache)
+                  (setq smex-cache command-cell))))))
+        (reverse smex-history)))
+
+(defun smex-sort-according-to-cache (list)
+  "Sorts a list of commands by their order in `smex-cache'"
+  (let (sorted)
+    (dolist (command-item smex-cache)
+      (let ((command (car command-item)))
+        (when (memq command list)
+          (setq sorted (cons command sorted))
+          (setq list (delq command list)))))
+    (nreverse (append list sorted))))
+
+(defun smex-update ()
+  (interactive)
+  (smex-save-history)
+  (smex-rebuild-cache))
+
+(defun smex-detect-new-commands ()
+  (let ((i 0))
+    (mapatoms (lambda (symbol) (if (commandp symbol) (setq i (1+ i)))))
+    (unless (= i smex-command-count)
+      (setq smex-command-count i))))
+
+(defun smex-auto-update (&optional idle-time)
+  "Update Smex when Emacs has been idle for IDLE-TIME."
+  (unless idle-time (setq idle-time 60))
+  (run-with-idle-timer idle-time t
+                       '(lambda () (if (smex-detect-new-commands) (smex-update)))))
+
+;;;###autoload
+(defun smex-initialize ()
+  (interactive)
+  (unless ido-mode (smex-initialize-ido))
+  (smex-load-save-file)
+  (smex-detect-new-commands)
+  (smex-rebuild-cache)
+  (add-hook 'kill-emacs-hook 'smex-save-to-file)
+  (setq smex-initialized-p t))
+
+(defun smex-initialize-ido ()
+  "Sets up a minimal Ido environment for `ido-completing-read'."
+  (with-no-warnings ; `ido-init-completion-maps' is deprecated in Emacs 25
+    (ido-init-completion-maps))
+  (add-hook 'minibuffer-setup-hook 'ido-minibuffer-setup))
+
+(defsubst smex-save-file-not-empty-p ()
+  (string-match-p "\[^[:space:]\]" (buffer-string)))
+
+(defun smex-load-save-file ()
+  "Loads `smex-history' and `smex-data' from `smex-save-file'"
+  (let ((save-file (expand-file-name smex-save-file)))
+    (if (file-readable-p save-file)
+        (with-temp-buffer
+          (insert-file-contents save-file)
+          (condition-case nil
+              (setq smex-history (read (current-buffer))
+                    smex-data    (read (current-buffer)))
+            (error (if (smex-save-file-not-empty-p)
+                       (error "Invalid data in smex-save-file (%s). Can't restore history."
+                              smex-save-file)
+                     (unless (boundp 'smex-history) (setq smex-history nil))
+                     (unless (boundp 'smex-data)    (setq smex-data nil))))))
+      (setq smex-history nil smex-data nil))))
+
+(defun smex-save-history ()
+  "Updates `smex-history'"
+  (setq smex-history nil)
+  (let ((cell smex-cache))
+    (dotimes (_ smex-history-length)
+      (setq smex-history (cons (caar cell) smex-history))
+      (setq cell (cdr cell))))
+  (setq smex-history (nreverse smex-history)))
+
+(defmacro smex-pp (list-var)
+  `(smex-pp* ,list-var ,(symbol-name list-var)))
+
+(defun smex-save-to-file ()
+  (interactive)
+  (smex-save-history)
+  (with-temp-file (expand-file-name smex-save-file)
+    (smex-pp smex-history)
+    (smex-pp smex-data)))
+
+;;--------------------------------------------------------------------------------
+;; Ranking
+
+(defun smex-sorting-rules (command-item other-command-item)
+  "Returns true if COMMAND-ITEM should sort before OTHER-COMMAND-ITEM."
+  (let* ((count        (or (cdr command-item      ) 0))
+         (other-count  (or (cdr other-command-item) 0))
+         (name         (car command-item))
+         (other-name   (car other-command-item))
+         (length       (length (symbol-name name)))
+         (other-length (length (symbol-name other-name))))
+    (or (> count other-count)                         ; 1. Frequency of use
+        (and (= count other-count)
+             (or (< length other-length)              ; 2. Command length
+                 (and (= length other-length)
+                      (string< name other-name))))))) ; 3. Alphabetical order
+
+(defun smex-rank (command)
+  (let ((command-item (or (assq command smex-cache)
+                          ;; Update caches and try again if not found.
+                          (progn (smex-update)
+                                 (assq command smex-cache)))))
+    (when command-item
+      (smex-update-counter command-item)
+
+      ;; Don't touch the cache order if the chosen command
+      ;; has just been execucted previously.
+      (unless (eq command-item (car smex-cache))
+        (let (command-cell
+              (pos (smex-detect-position smex-cache (lambda (cell)
+                                                      (eq command-item (car cell))))))
+          ;; Remove the just executed command.
+          (setq command-cell (smex-remove-nth-cell pos smex-cache))
+          ;; And put it on top of the cache.
+          (setcdr command-cell smex-cache)
+          (setq smex-cache command-cell)
+
+          ;; Repeat the same for the ido cache. Should this be DRYed?
+          (setq command-cell (smex-remove-nth-cell pos smex-ido-cache))
+          (setcdr command-cell smex-ido-cache)
+          (setq smex-ido-cache command-cell)
+
+          ;; Now put the last history item back to its normal place.
+          (smex-sort-item-at smex-history-length))))))
+
+(defun smex-update-counter (command-item)
+  (let ((count (cdr command-item)))
+    (setcdr command-item
+            (if count
+                (1+ count)
+              ;; Else: Command has just been executed for the first time.
+              ;; Add it to `smex-data'.
+              (if smex-data
+                  (setcdr (last smex-data) (list command-item))
+                (setq smex-data (list command-item)))
+              1))))
+
+(defun smex-sort-item-at (n)
+  "Sorts item at position N in `smex-cache'."
+  (let* ((command-cell (nthcdr n smex-cache))
+         (command-item (car command-cell)))
+    (let ((insert-at (smex-detect-position
+                      command-cell
+                      (lambda (cell)
+                        (smex-sorting-rules command-item (car cell))))))
+      ;; TODO: Should we handle the case of 'insert-at' being nil?
+      ;; This will never happen in practice.
+      (when (> insert-at 1)
+        (setq command-cell (smex-remove-nth-cell n smex-cache))
+        ;; smex-cache just got shorter by one element, so subtract '1' from insert-at.
+        (setq insert-at (+ n (- insert-at 1)))
+        (smex-insert-cell command-cell insert-at smex-cache)
+
+        ;; Repeat the same for the ido cache. DRY?
+        (setq command-cell (smex-remove-nth-cell n smex-ido-cache))
+        (smex-insert-cell command-cell insert-at smex-ido-cache)))))
+
+(defun smex-detect-position (cell function)
+  "Detects, relatively to CELL, the position of the cell
+on which FUNCTION returns true.
+Only checks cells after CELL, starting with the cell right after CELL.
+Returns nil when reaching the end of the list."
+  (let ((pos 1))
+    (catch 'break
+      (while t
+        (setq cell (cdr cell))
+        (if (not cell)
+            (throw 'break nil)
+          (if (funcall function cell) (throw 'break pos))
+          (setq pos (1+ pos)))))))
+
+(defun smex-remove-nth-cell (n list)
+  "Removes and returns the Nth cell in LIST."
+  (let* ((previous-cell (nthcdr (- n 1) list))
+         (result (cdr previous-cell)))
+    (setcdr previous-cell (cdr result))
+    result))
+
+(defun smex-insert-cell (new-cell n list)
+  "Inserts cell at position N in LIST."
+  (let* ((cell (nthcdr (- n 1) list))
+         (next-cell (cdr cell)))
+    (setcdr (setcdr cell new-cell) next-cell)))
+
+;;--------------------------------------------------------------------------------
+;; Help and Reference
+
+(defun smex-do-with-selected-item (fn)
+  (setq smex-custom-action fn)
+  (ido-exit-minibuffer))
+
+(defun smex-describe-function ()
+  (interactive)
+  (smex-do-with-selected-item (lambda (chosen)
+                                (describe-function chosen)
+                                (pop-to-buffer "*Help*"))))
+
+(defun smex-where-is ()
+  (interactive)
+  (smex-do-with-selected-item 'where-is))
+
+(defun smex-find-function ()
+  (interactive)
+  (smex-do-with-selected-item 'find-function))
+
+(defun smex-extract-commands-from-keymap (map)
+  (let (commands)
+    (smex-parse-keymap map commands)
+    commands))
+
+(defun smex-parse-keymap (map commands)
+  (map-keymap (lambda (_binding element)
+                (if (and (listp element) (eq 'keymap (car element)))
+                    (smex-parse-keymap element commands)
+                  ;; Strings are commands, too. Reject them.
+                  (if (and (symbolp element) (commandp element))
+                      (push element commands))))
+              map))
+
+(defun smex-extract-commands-from-features (mode)
+  (let ((library-path (symbol-file mode))
+        (mode-name (symbol-name mode))
+        commands)
+
+    (string-match "\\(.+?\\)\\(-mode\\)?$" mode-name)
+    ;; 'lisp-mode' -> 'lisp'
+    (setq mode-name (match-string 1 mode-name))
+    (if (string= mode-name "c") (setq mode-name "cc"))
+    (setq mode-name (regexp-quote mode-name))
+
+    (dolist (feature load-history)
+      (let ((feature-path (car feature)))
+        (when (and feature-path (or (equal feature-path library-path)
+                                    (string-match mode-name (file-name-nondirectory
+                                                             feature-path))))
+          (dolist (item (cdr feature))
+            (if (and (listp item) (eq 'defun (car item)))
+                (let ((function (cdr item)))
+                  (when (commandp function)
+                    (setq commands (append commands (list function))))))))))
+    commands))
+
+(defun smex-show-unbound-commands ()
+  "Shows unbound commands in a new buffer,
+sorted by frequency of use."
+  (interactive)
+  (setq smex-data (sort smex-data 'smex-sorting-rules))
+  (let ((unbound-commands (delq nil
+                                (mapcar (lambda (command-item)
+                                          (unless (where-is-internal (car command-item))
+                                            command-item))
+                                        smex-data))))
+    (view-buffer-other-window "*Smex: Unbound Commands*")
+    (setq buffer-read-only t)
+    (let ((inhibit-read-only t))
+      (erase-buffer)
+      (smex-pp unbound-commands))
+    (set-buffer-modified-p nil)
+    (goto-char (point-min))))
+
+;; A copy of `ido-pp' that's compatible with lexical bindings
+(defun smex-pp* (list list-name)
+  (let ((print-level nil) (eval-expression-print-level nil)
+        (print-length nil) (eval-expression-print-length nil))
+    (insert "\n;; ----- " list-name " -----\n(\n ")
+    (while list
+      (let* ((elt (car list))
+             (s (if (consp elt) (car elt) elt)))
+        (if (and (stringp s) (= (length s) 0))
+            (setq s nil))
+        (if s
+            (prin1 elt (current-buffer)))
+        (if (and (setq list (cdr list)) s)
+            (insert "\n "))))
+    (insert "\n)\n")))
+
+(provide 'smex)
+;;; smex.el ends here
diff --git a/init.el b/init.el
index f736dc6..df159b8 100644
--- a/init.el
+++ b/init.el
@@ -86,6 +86,7 @@
      helm-google
      helm-gtags
      helm-projectile
+     helm-smex
      helm-swoop
      helm-unicode
      hyde
@@ -498,6 +499,10 @@
   :init
   (add-to-list 'auto-mode-alist '("\\.yml\\'" . yaml-mode)))
 
+(use-package helm-smex
+  :bind
+  (("M-X" . helm-smex)))
+
 ;; Load my own functions
 (load "gnu-c-header.el")
 (load "toggle-window-split.el")