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-rw-r--r--emacs/.emacs.d/init.el2869
-rw-r--r--emacs/.emacs.d/init.org369
2 files changed, 3036 insertions, 202 deletions
diff --git a/emacs/.emacs.d/init.el b/emacs/.emacs.d/init.el
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+;;; emacs-config --- Summary
+;; #+TITLE: Emacs Configuration for Alan Pearce
+;; #+OPTIONS: ^:nil
+;; #+PROPERTY: results silent
+;; #+PROPERTY: eval no-export
+;; #+PROPERTY: header-args :comments link
+;;; Header:
+;; This is a living document, detailing my Emacs configuration using org-mode
+;;; Code:
+;; ** Basics
+;; *** Startup
+;; Open Emacs with just a plain window.  No graphics or messages, please!
+;; #+BEGIN_SRC emacs-lisp
+(put 'inhibit-startup-echo-area-message 'saved-value
+     (setq inhibit-startup-echo-area-message (user-login-name)))
+(setq inhibit-startup-screen t)
+(setq gc-cons-threshold 100000000)
+(defvar file-name-handler-alist-backup file-name-handler-alist)
+(setq file-name-handler-alist nil)
+(remove-hook 'find-file-hooks #'vc-refresh-state)
+;; #+END_SRC
+
+;; Are we running on Windows via the WSL?
+
+;; #+BEGIN_SRC emacs-lisp
+(when (file-exists-p "/proc/sys/kernel/osrelease")
+  (with-temp-buffer
+    (insert-file-contents-literally "/proc/sys/kernel/osrelease")
+    (decode-coding-region (point-min) (point-max) 'utf-8 t)
+    (when (string-match "Microsoft$" (buffer-string))
+      (setq system-type 'gnu/linux/windows))))
+;; #+END_SRC
+
+;; *** Compatibility
+
+;; #+BEGIN_SRC emacs-lisp
+(if (version< emacs-version "25.0")
+    (defmacro with-eval-after-load (file &rest body)
+      `(eval-after-load ,file (lambda () ,@body))))
+;; #+END_SRC
+
+;; *** Scratch buffers
+;; I usually use scratch buffers for any sort of text.  If I need a
+;; programming mode in one, then I’ll just call it manually.  I also like
+;; the buffer to be empty.
+;; #+BEGIN_SRC emacs-lisp
+(setq initial-scratch-message ""
+      initial-major-mode 'text-mode)
+;; #+END_SRC
+
+;; *** Personal Information
+;; #+BEGIN_SRC emacs-lisp
+(setq user-mail-address "alan@alanpearce.eu"
+      user-full-name "Alan Pearce")
+;; #+end_src
+
+;; ** Packaging
+
+;; *** Use-package
+
+;; #+BEGIN_SRC emacs-lisp
+(eval-and-compile
+  (require 'seq)
+  (defvar nix-emacs (and (string-match "^/nix/store" invocation-directory)
+                         (not (null (seq-some (lambda (dir) (string-match "^/nix/store" dir)) load-path)))))
+
+  (setq tls-checktrust t
+        gnutls-verify-error t
+        package-menu-async t
+        package-user-dir (concat "~/.emacs.d/packages/" emacs-version "/elpa")
+        package-menu-hide-low-priority t)
+  (if nix-emacs
+      (progn (setq package-archives nil)
+             (package-initialize))
+    (setq package-archives '(("gnu" . "https://elpa.gnu.org/packages/")
+                             ("melpa-stable" . "https://stable.melpa.org/packages/")
+                             ("melpa" . "https://melpa.org/packages/"))
+          package-pinned-packages '(("use-package" . melpa-stable)
+                                    ("diminish" . melpa-stable)
+                                    ("bind-key" . melpa-stable))
+          package-archive-priorities '(("melpa" . 10)
+                                       ("gnu" . 10)
+                                       ("melpa-stable" . 5)
+                                       ("marmalade" . 0))))
+  (when (eq system-type 'darwin)
+    (with-eval-after-load "gnutls"
+      (add-to-list 'gnutls-trustfiles "/etc/ssl/cert.pem")))
+  (unless nix-emacs
+    (package-initialize)
+    (unless (package-installed-p 'use-package)
+      (package-refresh-contents)
+      (package-install 'use-package))))
+(eval-when-compile (require 'use-package))
+(unless (featurep 'use-package)
+  (require 'diminish)
+  (require 'bind-key)
+  (use-package use-package
+    :commands (use-package-autoload-keymap)
+    :defer 5))
+(setq use-package-always-ensure (not nix-emacs)
+      use-package-always-demand (daemonp)
+      package-enable-at-startup nil)
+;; #+END_SRC
+
+;; *** Helpers
+
+;; **** Hook Helpers
+
+;; An improvement over add-hook with lamda functions that allows
+;; modification and removal, without the boilerplate of an extra function
+;; definition.
+
+;; #+BEGIN_SRC emacs-lisp
+(eval-and-compile
+  (use-package hook-helpers))
+;; #+END_SRC
+
+;; ** Customize
+;; I don’t really like using customize for normal configuration.
+;; Instead, I use it for things that get saved automatically.  That’s why
+;; I use a different file, which is ignored by the VCS.  It also means
+;; that it’s not important whether the file exists or not, which is why I
+;; pass =:noerror= to =load=
+
+;; #+BEGIN_SRC emacs-lisp
+(setq custom-file "~/.emacs.d/custom.el")
+(load custom-file :noerror :nomessage)
+;; #+END_SRC
+
+;; ** Styles
+
+;; I prefer an always-visible cursor.  Feels less distracting.
+;; #+BEGIN_SRC emacs-lisp
+(when (fboundp #'blink-cursor-mode)
+  (blink-cursor-mode -1))
+;; #+END_SRC
+
+;; Disable all the bars, unless on OSX, in which case, keep the menu bar.
+
+;; #+BEGIN_SRC emacs-lisp
+(when (and menu-bar-mode (not (eq window-system 'ns)))
+  (menu-bar-mode -1))
+(with-eval-after-load 'scroll-bar
+  (set-scroll-bar-mode nil))
+(with-eval-after-load 'tooltip
+  (tooltip-mode -1))
+(with-eval-after-load 'tool-bar
+  (tool-bar-mode -1))
+;; #+END_SRC
+
+;; Ring the bell sometimes, but not so often
+;; #+BEGIN_SRC emacs-lisp
+(setq ring-bell-function
+      (lambda ()
+        (unless (memq this-command
+                      '(isearch-abort abort-recursive-edit exit-minibuffer keyboard-quit undo-tree-undo))
+          (ding))))
+;; #+END_SRC
+
+;; *** Colours
+
+;; Eziam looks nice, too, except for the non-white background.  I prefer
+;; white because most other application backgrounds are that colour.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package eziam-light-theme
+  :ensure eziam-theme
+  :disabled t
+  :if (or window-system
+          (daemonp))
+  :defines (eziam-scale-headings)
+  :config (progn
+            (setq eziam-scale-headings nil)
+            (load-theme 'eziam-light t)
+            (custom-theme-set-faces 'user
+                                    '(default ((t (:background "#ffffff"))))
+                                    '(js2-function-call ((t (:underline nil))))
+                                    '(js2-object-property ((t (:slant normal))))
+                                    '(font-lock-keyword-face ((t (:weight normal))))
+                                    '(git-gutter-fr:added ((t (:foreground "#96a4ab"))))
+                                    '(git-gutter-fr:modified ((t (:foreground "#96a4ab"))))
+                                    '(git-gutter-fr:deleted ((t (:foreground "#96a4ab")))))))
+;; #+END_SRC
+
+;; White-theme.  Sounds like a good idea.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package white-theme
+  :if (or window-system
+          (daemonp))
+  :config (progn
+            (load-theme 'white t)
+            (custom-theme-set-faces 'user
+                                    '(git-gutter-fr:added ((t (:foreground "#b8b8b8"))))
+                                    '(git-gutter-fr:modified ((t (:foreground "#b8b8b8"))))
+                                    '(git-gutter-fr:deleted ((t (:foreground "#b8b8b8"))))
+                                    '(font-lock-string-face ((t (:slant normal)))))))
+;; #+END_SRC
+
+;; Base16 theming allows me have a consistent style between applications
+;; quite easily.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package base16-theme
+  :if (or window-system
+          (daemonp)))
+;; #+END_SRC
+
+;; Highlighting quasi-quoted expressions in lisps is quite useful, but I
+;; don't need it all the time.  I'll keep it around for a while so that I
+;; can enable it if needed.
+;; #+BEGIN_SRC emacs-lisp
+(use-package highlight-stages
+  :diminish highlight-stages-mode)
+;; #+END_SRC
+
+;; *** Fonts
+
+;; When possible, set up fonts.  I don’t have any settings here for X11,
+;; because I manage those in my [[file:~/projects/dotfiles/tag-xresources/xresources/main][XResources file]].
+;; #+BEGIN_SRC emacs-lisp
+(when (or (display-graphic-p)
+          (daemonp))
+
+  (defun use-variable-fonts ()
+    (interactive)
+    (variable-pitch-mode)
+    (setq cursor-type '(bar . 1)))
+
+  (defun ap/set-fonts (mono-face mono-font-size variable-face variable-font-size antialias &optional new-line-spacing)
+    (if (boundp 'ns-antialias-text)
+        (setq ns-antialias-text antialias))
+    (if (boundp 'new-line-spacing)
+      (setq line-spacing new-line-spacing))
+    (when mono-face
+      (let ((default-font (font-spec :family mono-face :size  mono-font-size)))
+        (add-to-list 'default-frame-alist `(font . ,(format "%s %s" mono-face mono-font-size)))
+        (set-face-font 'fixed-pitch default-font)
+        (set-frame-font default-font t t)))
+    (when variable-face
+      (set-face-font 'variable-pitch (font-spec :name variable-face :size variable-font-size))))
+
+  (defun ap/set-fonts-according-to-system ()
+    (interactive)
+    (cond
+     ((eq window-system 'w32)
+      (ap/set-fonts "Liberation Mono" 11 "Segoe UI" 11 t))
+     ((or (eq window-system 'mac)
+          (eq window-system 'ns))
+      (let ((displays (string-to-number (shell-command-to-string "system_profiler SPDisplaysDataType | grep \"Online: Yes\" | wc -l"))))
+        (if (eq displays 1)
+            (ap/set-fonts "Fira Code" 14 "Lucida Grande" 14 t nil)
+          (ap/set-fonts "Monoid" 12 "Helvetica Neue" 12 t 0.1))))
+     ((and (eq window-system 'x)
+           (not (eq system-type 'gnu/linux/windows)))
+      (set-fontset-font "fontset-default" 'unicode (font-spec :name "PT Mono" :size 17))
+      (ap/set-fonts "PT Mono" 17 "Noto Sans" 14 nil))
+     ((and (eq window-system 'x)
+           (eq system-type 'gnu/linux/windows))
+      (ap/set-fonts "Noto Mono" 12 "Sans" 12 nil))))
+
+  (ap/set-fonts-according-to-system))
+;; #+END_SRC
+
+;; Reduce font decoration.  I’m trying to see whether this helps me focus
+;; on the right things.
+;; #+BEGIN_SRC emacs-lisp
+(setq font-lock-maximum-decoration '((dired-mode . 1)
+                                     (t . 1)))
+;; #+END_SRC
+
+;; Make symbols prettier.  Turns out, in many cases, this is already
+;; configured, just not enabled.  If using the mac-port version of Emacs,
+;; it has it's own, more extensive version.
+
+;; #+BEGIN_SRC emacs-lisp
+(if (eq window-system 'mac)
+    (mac-auto-operator-composition-mode +1)
+    (global-prettify-symbols-mode +1))
+;; #+END_SRC
+
+;; *** Page Breaks
+
+;; By default, Emacs displays page breaks as ^L.  Lines look much nicer.
+;; On Windows, Emacs incorrectly detects that U+2500 (Box Drawings Light
+;; Horizontal) can only be displayed with a different font, which is not
+;; correct, at least for Liberation Mono.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package page-break-lines
+  :defer 5
+  :diminish page-break-lines-mode
+  :config (progn
+            (global-page-break-lines-mode)
+            (unless (eq (char-displayable-p ?─) (char-displayable-p ?a))
+              (set-fontset-font "fontset-default"
+                                (cons page-break-lines-char page-break-lines-char)
+                                (face-attribute 'default :family)))))
+;; #+END_SRC
+;; *** Modeline
+
+;; #+BEGIN_SRC emacs-lisp
+(column-number-mode -1)
+(line-number-mode -1)
+(size-indication-mode t)
+
+
+(require 'f)
+(setq frame-title-format (list "Emacs"
+                               (if (and nix-emacs invocation-directory)
+                                   (list " (Nix Generation "
+                                         (cadr
+                                          (split-string (f-base
+                                                         (car
+                                                          (last (seq-take-while
+                                                                 (lambda (s) (s-contains? "profile" s))
+                                                                 (split-string
+                                                                  (s-chomp (shell-command-to-string (concat "nix-store -q --roots " invocation-directory)))
+                                                                  "\n")))))
+                                                        "-"))
+                                         " "
+                                         (s-left 6 (nth 3 (f-split invocation-directory)))
+                                         "..."
+                                         (s-right 6 (car (split-string (nth 3 (f-split invocation-directory)) "-")))
+                                         ")"))
+                               '(buffer-file-name " — %f")
+                               '(dired-directory (" — " dired-directory))))
+;; #+END_SRC
+
+;; *** Chrome
+
+;; Sometimes I like to hide clutter.  Other times, it's useful.
+
+;; #+BEGIN_SRC emacs-lisp
+(defvar mode-line-default-format mode-line-format)
+(defvar mode-line-default-hidden nil
+  "Whether to hide the mode line by default")
+
+(defun show-mode-line ()
+  (interactive)
+  (setq mode-line-format mode-line-default-format)
+  (when (called-interactively-p 'interactive)
+    (setq-default mode-line-format mode-line-default-format)
+    (setq mode-line-default-hidden nil)))
+(defun hide-mode-line ()
+  (interactive)
+  (setq mode-line-format nil)
+  (when (called-interactively-p 'interactive)
+    (setq-default mode-line-format nil)
+    (setq mode-line-default-hidden t)))
+
+(setq-default cursor-in-non-selected-windows nil)
+
+(defun hide-clutter ()
+  (interactive)
+  (hide-mode-line))
+
+(defun show-clutter ()
+  (interactive)
+  (show-mode-line))
+
+(when mode-line-default-hidden
+  (call-interactively #'hide-mode-line))
+
+(setq-default indicate-buffer-boundaries nil)
+(fringe-mode '(4 . 4))
+
+(defun hide-mode-line-if-default-hidden ()
+  (if mode-line-default-hidden
+      (hide-mode-line)
+    (show-mode-line)))
+
+(add-to-list 'default-frame-alist '(border-width . 0))
+(add-to-list 'default-frame-alist '(internal-border-width . 0))
+(when (or (eq window-system 'x)
+          (eq window-system 'mac))
+  (setq window-divider-default-bottom-width 1
+        window-divider-default-right-width 1
+        window-divider-default-places t)
+  (window-divider-mode +1))
+
+(add-hook 'after-change-major-mode-hook #'hide-mode-line-if-default-hidden)
+
+(add-hook 'minibuffer-setup-hook #'show-mode-line)
+(add-hook 'minibuffer-exit-hook #'hide-mode-line)
+;; #+END_SRC
+
+;; *** Highlight Changes
+
+;; Highlight what just changed when I undo, yank, and so on.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package volatile-highlights
+  :diminish volatile-highlights-mode
+  :config (progn
+            (volatile-highlights-mode t)))
+;; #+END_SRC
+
+;; *** Beacon
+
+;; I was against the idea of having flashy animations inside Emacs, but
+;; this one is useful.  It highlights the cursor when scrolling or
+;; switching windows.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package beacon
+  :diminish beacon-mode
+  :config (progn
+            (beacon-mode +1)
+            (setq beacon-blink-delay 0.25
+                  beacon-blink-duration 0.25
+                  beacon-size 20
+                  beacon-color "#a1b56c")))
+;; #+END_SRC
+
+;; *** Renaming major modes
+
+;; Diminishing major modes does not happen in the same manner as minor
+;; modes.
+
+;; #+BEGIN_SRC emacs-lisp
+(unless (version<= emacs-version "24.4")
+  (use-package cyphejor
+    :defer 2
+    :config (progn
+              (setq cyphejor-rules `(("emacs"       "ε")
+                                     ("diff"        "Δ")
+                                     ("js2"         "js")
+                                     ("magit-status" ,(char-to-string (seq-find #'char-displayable-p '(11942 5848 177))))
+                                     ("inferior"    "i" :prefix)
+                                     ("interaction" "i" :prefix)
+                                     ("interactive" "i" :prefix)
+                                     ("menu"        "▤" :postfix)
+                                     ("ledger"      "Ledger")
+                                     ("mode"        "")
+                                     ("shell"       "sh" :postfix)))
+              (cyphejor-mode 1))))
+;; #+END_SRC
+
+
+;; ** Environment Variables
+
+;; MacOS doesn’t have a reasonable way to set environment variables and
+;; read them automatically any more.  So, let’s use the
+;; [[https://github.com/purcell/exec-path-from-shell][exec-path-from-shell]] package to set up ~exec-path~ and similar
+;; variables from whatever my shell configuration is.
+
+;; On Windows, I like to run Emacs from the system tray menu of VcXsrv.
+;; It starts up without an environment in this case as well.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package exec-path-from-shell
+  :if (or (eq system-type 'darwin)
+          (eq system-type 'gnu/linux/windows)
+          (and (eq system-type 'gnu/linux)
+               (daemonp)))
+  :config (progn
+            (setq exec-path-from-shell-arguments '("-l"))
+            (exec-path-from-shell-initialize)))
+;; #+END_SRC
+
+;; *** NixOS sandboxes
+
+;; I'm currently exploring using nix to create sandboxes for
+;; development.  This package allows using tools from inside sandboxes,
+;; and some convenience commands for building packages and launching shells.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package nix-sandbox
+  :config (progn
+            (with-eval-after-load 'flycheck
+              (setq flycheck-command-wrapper-function
+                    (lambda (command)
+                      (if (nix-current-sandbox)
+                          (apply 'nix-shell-command (nix-current-sandbox) command)
+                        command))
+                    flycheck-executable-find
+                    (lambda (cmd)
+                      (if (nix-current-sandbox)
+                          (nix-executable-find (nix-current-sandbox) cmd)
+                        (executable-find cmd)))))))
+;; #+END_SRC
+
+;; ** Keybindings
+
+;; I think =set-keyboard-coding-system= stops OS X from doing something
+;; annoying to add accents.  The modifier setup is to match my
+;; re-arrangement of modifiers on OSX: Cmd on the outside, then
+;; Option/alt, then Control.
+
+;; #+BEGIN_SRC emacs-lisp
+(when (eq system-type 'darwin)
+  (set-keyboard-coding-system nil)
+  (custom-set-variables
+   '(mac-option-modifier 'meta)
+   '(mac-right-option-modifier 'none)
+   '(mac-control-modifier 'control)
+   '(mac-right-control-modifier 'left)
+   '(mac-command-modifier 'super)
+   '(mac-right-command-modifier 'left)
+   '(mac-function-modifier 'hyper))
+  (unbind-key "s-x"))
+;; #+END_SRC
+
+;; #+BEGIN_SRC emacs-lisp
+(unbind-key "<f4>")
+(bind-key* "<f5>" #'compile)
+(bind-key* "<f6>" #'kmacro-start-macro-or-insert-counter)
+(bind-key* "<f7>" #'kmacro-end-or-call-macro)
+
+(bind-key* "<apps>" #'execute-extended-command)
+
+(unbind-key "C-z")
+(bind-key* "C-<tab>" #'other-window)
+
+(bind-key* "C-x C-r" #'revert-buffer)
+(bind-key* "C-x C-j" #'delete-indentation)
+(unbind-key "C-x C-c")
+
+(bind-key* "C-c i" #'insert-char)
+(bind-key* "M-/" #'hippie-expand)
+
+(unbind-key "s-h")
+(unbind-key "s-n")
+(unbind-key "s-p")
+(unbind-key "s-w")
+(bind-key* "s-k" #'kill-or-delete-this-buffer-dwim)
+
+(bind-key "C-M-a" #'backward-paragraph text-mode-map)
+(bind-key "C-M-e" #'forward-paragraph text-mode-map)
+
+(bind-key* "s-x" (define-prefix-command 'super-x-map))
+(bind-key* "s-," #'switch-to-dotfiles)
+(bind-key* "C-x M-x" #'execute-extended-command)
+(set-register ?z `(file . ,(expand-file-name ".config/zsh/zshrc" "~")))
+;; #+END_SRC
+
+;; *** Crux
+
+;; I can replace most of the simple helper/wrapper functions in my
+;; configuration with crux.el
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package crux
+  :bind (("M-o" . crux-smart-open-line-above)
+         ("C-o" . crux-smart-open-line)
+
+         ("C-x 4 t" . crux-transpose-windows)
+         ("C-c e" . crux-eval-and-replace)
+         ("C-c D" . crux-delete-file-and-buffer)
+         ("C-c R" . crux-rename-file-and-buffer))
+  :config (progn
+            (crux-reopen-as-root-mode +1))
+  :init (progn
+          (defalias 'delete-current-buffer-file #'crux-delete-file-and-buffer)
+          (defalias 'rename-current-buffer-file #'crux-rename-file-and-buffer)))
+;; #+END_SRC
+
+;; ** Projects
+
+;; #+BEGIN_SRC emacs-lisp
+(defun switch-to-dotfiles ()
+  (interactive)
+  (projectile-switch-project-by-name (car (split-string (shell-command-to-string "ghq list --full-path dotfiles")))))
+;; #+END_SRC
+
+;; *** The Silver Searcher
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ag
+  :defer 30
+  :config (setq ag-project-root-function #'projectile-project-root))
+
+(use-package wgrep-ag
+  :after ag)
+;; #+END_SRC
+
+;; *** Ripgrep
+
+;; Step over Silver Search, here comes a new challenger.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ripgrep
+  :if (executable-find "rg"))
+
+(use-package projectile-ripgrep
+  :after (ripgrep projectile)
+  :if (executable-find "rg")
+  :bind (("C-c p s r" . projectile-ripgrep)))
+;; #+END_SRC
+
+;; *** Projectile
+
+;; Projectile is awesome for working in projects, especially VCS-backed
+;; ones.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package projectile
+  :bind (("s-p" . projectile-switch-project)
+         ("C-c C-f" . projectile-find-file)
+         ("s-x s-f" . projectile-find-file)
+         ("C-x g" . projectile-vc)
+         ("s-G"   . projectile-vc))
+  :demand t
+  :diminish projectile-mode
+  :config (progn
+            (projectile-global-mode +1)
+            (add-to-list 'projectile-globally-ignored-directories ".stversions")
+
+            (defun yarn-install (&optional arg)
+              (interactive "P")
+              (projectile-with-default-dir (projectile-project-root)
+                (cmd-to-echo "yarn" "install")))
+
+            (defun yarn-add-dev (package)
+              (interactive "spackage: ")
+              (projectile-with-default-dir (projectile-project-root)
+                (cmd-to-echo "yarn" (concat "add --dev " package))))
+
+            (defun yarn-add (package)
+              (interactive "spackage: ")
+              (projectile-with-default-dir (projectile-project-root)
+                (cmd-to-echo "yarn" (concat "add " package))))
+
+            (defun yarn-run (cmd)
+              (interactive (list
+                            (projectile-completing-read "command: " (alist-get 'scripts (json-read-file (expand-file-name "package.json" (projectile-project-root)))))))
+              (projectile-with-default-dir (projectile-project-root)
+                (cmd-to-echo "yarn" (concat "run " cmd))))
+
+            (defun ap/open-project (&optional arg)
+              (interactive "P")
+              (let ((project-dir (projectile-completing-read
+                                  "Open project: "
+                                  (ghq--find-projects))))
+                (projectile-switch-project-by-name
+                 (expand-file-name project-dir (ghq--find-root)) arg)))
+
+            (setq projectile-switch-project-action #'projectile-commander
+                  projectile-completion-system 'ivy
+                  projectile-create-missing-test-files t)
+
+            (defun ap/projectile-test-suffix (project-type)
+              (cond
+               ((member project-type '(node-yarn node-npm)) ".test")
+               (t (projectile-test-suffix project-type))))
+            (setq projectile-test-suffix-function #'ap/projectile-test-suffix)
+
+            (projectile-register-project-type 'node-yarn '("yarn.lock") "yarn start" "yarn test")
+            (projectile-register-project-type 'node '("package.json") "npm start" "npm test")))
+
+(use-package counsel-projectile
+  :after (counsel projectile)
+  :config (progn
+            (counsel-projectile-on)
+            (def-projectile-commander-method ?A
+              "Find rg on project."
+              (call-interactively #'counsel-projectile-rg))
+            (define-key projectile-mode-map [remap counsel-projectile-ag] #'counsel-projectile-rg)))
+;; #+END_SRC
+
+;; *** vc
+
+;; This is nice for some things that magit doesn’t do, and for those rare
+;; occasions that I’m working with something other than git.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package vc
+  :defer t
+  :bind (("C-x v C" . vc-resolve-conflicts))
+  :config (progn
+            (setq vc-follow-symlinks t)
+            (setq vc-ignore-dir-regexp (format "\\(%s\\)\\|\\(%s\\)"
+                                               vc-ignore-dir-regexp
+                                               tramp-file-name-regexp))))
+;; #+END_SRC
+
+;; *** git-gutter-fringe
+
+;; It’s nice to be able to see at a glance which lines of a file have
+;; changed.  This package colours the fringe.  I have it set to the right
+;; fringe so it doesn’t interfere with flycheck.
+
+;; #+BEGIN_SRC emacs-lisp
+(eval-when-compile (require 'fringe-helper))
+(use-package git-gutter-fringe
+  :defer 2
+  :diminish git-gutter-mode
+  :config (progn
+            (global-git-gutter-mode 1)
+            ;; places the git gutter outside the margins.
+            (setq-default fringes-outside-margins t)
+            ;; thin fringe bitmaps
+            (fringe-helper-define 'git-gutter-fr:added '(center repeated)
+              ".XXX....")
+            (fringe-helper-define 'git-gutter-fr:modified '(center repeated)
+              ".XXX....")
+            (fringe-helper-define 'git-gutter-fr:deleted 'bottom
+              ".......X"
+              "......XX"
+              ".....XXX"
+              "....XXXX")
+            (setq git-gutter-fr:side 'right-fringe)))
+;; #+END_SRC
+
+;; *** magit
+
+;; Magit is my favourite way to use git.  I use selective staging all the
+;; time.  Make sure to set it up with a nice =completing-read-function=
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package magit
+  :defer 5
+  :commands (magit-status)
+  :config (progn (setq magit-completing-read-function #'ivy-completing-read
+                       magit-popup-use-prefix-argument 'default
+                       magit-display-buffer-function #'magit-display-buffer-fullcolumn-most-v1
+                       global-magit-file-mode nil)
+                 (add-to-list 'magit-no-confirm 'safe-with-wip))
+  :init (add-hook 'magit-mode-hook #'magit-load-config-extensions))
+;; #+END_SRC
+
+;; *** git-messenger
+
+;; Popup the last commit that changed the line at point.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package git-messenger
+  :bind* (("C-x v p" . git-messenger:popup-message))
+  :config (progn
+            (setq git-messenger:use-magit-popup t)))
+;; #+END_SRC
+
+;; *** git-timemachine
+
+;; This package allow me to go through a file’s history with just a few
+;; keys.  It makes it very easy to figure what what exactly was in a file
+;; in the past.  I often find it useful when I remember writing something
+;; a particular way, but it changed later.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package git-timemachine
+  :commands git-timemachine)
+;; #+END_SRC
+
+;; *** ghq
+
+;; [[https://github.com/motemen/ghq][=ghq=]] clones VCS-backed projects to a common directory.  It should
+;; seem familiar to anyone who's used =go get= before.  [[https://github.com/rcoedo/emacs-ghq][=emacs-ghq=]] is a
+;; simple wrapper for it.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ghq
+  :if (executable-find "ghq"))
+;; #+END_SRC
+
+;; ** Files
+
+;; *** Auto-saving
+
+;; Auto-save everything to a temporary directory, instead of cluttering
+;; the filesystem.  I don’t want emacs-specific lockfiles, either.
+
+;; #+BEGIN_SRC emacs-lisp
+(setq auto-save-file-name-transforms `((".*" ,temporary-file-directory t))
+      create-lockfiles nil)
+;; #+END_SRC
+;; *** Backups
+
+;; I like to keep my backups out of regular folders.  I tell emacs to use
+;; a subfolder of its configuration directory for that.  Also, use the
+;; trash for deleting on OS X.
+;; #+BEGIN_SRC emacs-lisp
+(let ((backup-dir (expand-file-name "~/.emacs.d/backups/")))
+  (unless (file-directory-p backup-dir)
+    (make-directory backup-dir))
+  (setq backup-directory-alist `((".*" . ,backup-dir))
+        backup-by-copying-when-linked t
+        backup-by-copying-when-mismatch t))
+(if (eq system-type 'darwin)
+    (setq delete-by-moving-to-trash t)
+  (if (and (executable-find "trash") (not (fboundp #'system-move-file-to-trash)))
+      (defun system-move-file-to-trash (file)
+        (call-process (executable-find "trash")
+                      nil 0 nil
+                      file))))
+;; #+END_SRC
+
+;; *** autorevert
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package autorevert
+  :diminish auto-revert-mode
+  :init (progn
+          (global-auto-revert-mode 1)
+          (setq auto-revert-verbose nil
+                auto-revert-use-notify (not (eq system-type 'darwin)))))
+;; #+END_SRC
+
+;; *** Encoding
+
+;; UTF-8 is usually appropriate.  Note that =prefer-coding-system= expects
+;; only a coding system, not a coding system and line ending combination.
+
+;; #+BEGIN_SRC emacs-lisp
+(prefer-coding-system 'utf-8)
+(setq-default buffer-file-coding-system 'utf-8-auto-unix)
+;; #+END_SRC
+
+;; *** Buffer-file management
+
+;; Ask if I want to create a directory when it doesn’t exist.  This is
+;; especially nice when starting new projects.
+
+;; #+BEGIN_SRC emacs-lisp
+(defun my-create-non-existent-directory ()
+  (let ((parent-directory (file-name-directory buffer-file-name)))
+    (when (and (not (file-exists-p parent-directory))
+               (y-or-n-p (format "Directory `%s' does not exist!  Create it?" parent-directory)))
+      (make-directory parent-directory t))))
+(add-to-list 'find-file-not-found-functions #'my-create-non-existent-directory)
+;; #+END_SRC
+
+;; I often want to rename or delete the file that I’m currently visiting
+;; with a buffer.
+
+;; #+BEGIN_SRC emacs-lisp
+(defun kill-or-delete-this-buffer-dwim (&optional arg)
+  "Kills current buffer.  With prefix arg, delete it."
+  (interactive "P")
+  (if (equal arg '(4))
+      (delete-current-buffer-file)
+    (if server-buffer-clients
+        (server-edit)
+      (let ((buf (buffer-name)))
+        (when (equal buf "*HTTP Response*")
+          (other-window 1))
+        (kill-buffer buf)))))
+;; #+END_SRC
+
+;; *** Whitespace
+
+;; Show bad whitespace, so that I can fix it.
+
+;; #+BEGIN_SRC emacs-lisp
+(defun show-trailing-whitespace-on ()
+  (interactive)
+  (setq-local show-trailing-whitespace t))
+(defun show-trailing-whitespace-off ()
+  (interactive)
+  (setq-local show-trailing-whitespace nil))
+(add-hook 'prog-mode-hook #'show-trailing-whitespace-on)
+(add-hook 'text-mode-hook #'show-trailing-whitespace-on)
+;; #+END_SRC
+
+;; *** shrink-whitespace
+
+;; DWIM whitespace removal.  So I don’t need =M-SPC=, =M-\= and =C-x o=
+;; for similar things any more.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package shrink-whitespace
+  :bind ("M-SPC" . shrink-whitespace))
+;; #+END_SRC
+
+;; *** Tramp
+
+;; Tramp is awesome.  It makes SSH feel Unix-y.  The proxy setup is so
+;; that I can sudo on remote machines
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package tramp
+  :defer 7
+  :config (progn
+            (unless (getenv "SSH_AUTH_SOCK")
+              (setenv "SSH_AUTH_SOCK" (format "/run/user/%s/ssh-agent" (user-uid))))
+            (setq tramp-default-method "ssh"
+                  tramp-default-user-alist '(("\\`su\\(do\\)?\\'" nil "root"))
+                  tramp-backup-directory-alist backup-directory-alist
+                  tramp-completion-reread-directory-timeout 60
+                  tramp-ssh-controlmaster-options nil
+                  backup-enable-predicate (lambda (name)
+                                            (and (normal-backup-enable-predicate name)
+                                                 (not (let ((method (file-remote-p name 'method)))
+                                                        (when (stringp method)
+                                                          (member method '("su" "sudo")))))))
+                  tramp-shell-prompt-pattern "\\(?:^\\|
\\)[^]#$%>\n]*#?[]#$%>❯›] *\\(\\[\\??[0-9;]*[a-zA-Z] *\\)*")
+            (add-to-list 'tramp-default-proxies-alist '(nil "\\`root\\'" (concat "/" tramp-default-method ":%h:")))
+            (add-to-list 'tramp-default-proxies-alist `(,(regexp-quote (system-name)) nil nil))
+            (add-to-list 'tramp-default-proxies-alist '("localhost" nil nil))))
+;; #+END_SRC
+
+;; *** ediff
+
+;; I like a horizonal diff setup, with everything in one frame.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ediff
+  :defer t
+  :config (progn
+            (setq ediff-split-window-function 'split-window-horizontally
+                  ediff-window-setup-function 'ediff-setup-windows-plain)))
+;; #+END_SRC
+
+;; ** Indentation
+
+;; Ah, a complicated topic.  One day we’ll all be using elastic
+;; tabstops.  I’ve recently switched to using two spaces, since elastic
+;; tabstops is probably never going to happen.
+
+;; #+BEGIN_SRC emacs-lisp
+(setq-default tab-width 2
+              indent-tabs-mode nil)
+(electric-indent-mode +1)
+;; #+END_SRC
+
+
+;; *** smart-tabs-mode
+
+;; Not related to [[smart-tab][=smart-tab=]], this mode indents with tabs and aligns
+;; with spaces.  Perfect!
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package smart-tabs-mode
+  :defer 1
+  :config (progn
+            (smart-tabs-insinuate 'c 'cperl 'python)
+            (define-hook-helper php-mode ()
+              (smart-tabs-mode indent-tabs-mode))))
+;; #+END_SRC
+
+;; *** editorconfig
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package editorconfig
+  :diminish "EC"
+  :config (editorconfig-mode 1))
+;; #+END_SRC
+
+;; *** dtrt-indent-mode
+
+;; Sometimes people use different indentation settings.  [[https://github.com/jscheid/dtrt-indent][dtrt-indent]]
+;; guesses the correct settings for me.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package dtrt-indent
+  :config (progn
+            (define-hook-helper after-change-major-mode ()
+              (unless (and (boundp editorconfig-mode)
+                           editorconfig-mode)
+                (dtrt-indent-adapt)))
+            (defadvice dtrt-indent-try-set-offset (after toggle-smart-tabs activate)
+              (smart-tabs-mode (or indent-tabs-mode -1)))))
+;; #+END_SRC
+
+;; ** Security
+
+;; *** password-store
+
+;; This is a frontend to the GPG-powered =pass= program.
+;; #+BEGIN_SRC emacs-lisp
+(use-package password-store
+  :defer 15
+  :config (progn
+            (setq password-store-password-length 16)))
+;; #+END_SRC
+;; ** Buffers
+
+;; *** Ibuffer
+;; Ibuffer is quite nice for listing all buffers.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ibuffer
+  :bind (("C-x C-b" . ibuffer))
+  :config (progn
+            (setq ibuffer-saved-filter-groups
+                  (quote (("default"
+                           ("org" (mode . org-mode))
+                           ("emacs" (mode . emacs-lisp-mode))
+                           ("zsh" (filename . "/zsh"))
+                           ("server" (filename . "/su:root@server"))))))
+
+            ;; Human-readable base-2 size column
+            (define-ibuffer-column size-h
+              (:name "Size" :inline t)
+              (cond
+               ((> (buffer-size) 1024)
+                (format "%7.2fK" (/ (buffer-size) 1024.0)))
+               ((> (buffer-size) 1048576)
+                (format "%7.2fM" (/ (buffer-size) 1048576.0)))
+               (t
+                (format "%8d" (buffer-size)))))
+
+            (setq ibuffer-formats
+                  '((mark modified read-only " "
+                          (name 18 18 :left :elide)
+                          " "
+                          (size-h 9 -1 :right)
+                          " "
+                          (mode 16 16 :left :elide)
+                          " "
+                          filename-and-process)))))
+;; #+END_SRC
+
+;; *** Relative Buffer names
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package relative-buffers
+  :defer 15
+  :config (progn
+            (global-relative-buffers-mode)))
+;; #+END_SRC
+;; *** Narrowing
+
+;; Enable it without prompting
+
+;; #+BEGIN_SRC emacs-lisp
+(put 'narrow-to-defun  'disabled nil)
+(put 'narrow-to-page   'disabled nil)
+(put 'narrow-to-region 'disabled nil)
+;; #+END_SRC
+
+;; *** ace-window
+
+;; I don’t often have many windows open at once, but when I do,
+;; =ace-window= is really nice to jump around them in the same way that
+;; =ace-jump= or =avy= work.
+;; #+BEGIN_SRC emacs-lisp
+(use-package ace-window
+  :bind (("s-s" . ace-window))
+  :config (progn
+            (setq aw-dispatch-always t
+                  aw-dispatch-alist '((?k aw-delete-window " Ace - Delete Window")
+                                      (?K aw-delete-window)
+                                      (?m aw-swap-window " Ace - Swap Window")
+                                      (?f aw-flip-window)
+                                      (?v aw-split-window-vert " Ace - Split Vert Window")
+                                      (?b aw-split-window-horz " Ace - Split Horz Window")
+                                      (?m delete-other-windows " Ace - Maximize Window")
+                                      (?l delete-other-windows)
+                                      (?, winner-undo)
+                                      (?. winner-redo))
+                  aw-keys '(?a ?r ?s ?t ?n ?e ?i ?o))))
+;; #+END_SRC
+
+;; ** Windows
+
+;; Scrolling is tricky.  I use this setup to help me keep track of the
+;; point whilst I’m moving about.
+
+;; #+BEGIN_SRC emacs-lisp
+(setq scroll-conservatively 100
+      scroll-margin 1
+      scroll-preserve-screen-position t
+      mouse-wheel-scroll-amount '(1 ((shift) . 1) ((control)))
+      split-height-threshold 80
+      split-width-threshold 160
+      frame-resize-pixelwise nil)
+(if (boundp 'ns-pop-up-frames)
+    (setq ns-pop-up-frames nil))
+;; #+END_SRC
+
+;; *** eyebrowse
+
+;; Workspaces, a bit like dwm.  On Windows and Linux (at least the WMs
+;; I'm likely to use), super+{0-9} are taken from the OS, so use meta
+;; instead.  On macOS, super makes a lot of sense, as it's used by most
+;; programs to switch between program windows or views.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package eyebrowse
+  :config (progn
+            (setq eyebrowse-new-workspace t)
+            (when (eq system-type 'darwin)
+              (bind-keys
+               ("s-0" . eyebrowse-switch-to-window-config-0)
+               ("s-1" . eyebrowse-switch-to-window-config-1)
+               ("s-2" . eyebrowse-switch-to-window-config-2)
+               ("s-3" . eyebrowse-switch-to-window-config-3)
+               ("s-4" . eyebrowse-switch-to-window-config-4)
+               ("s-5" . eyebrowse-switch-to-window-config-5)
+               ("s-6" . eyebrowse-switch-to-window-config-6)
+               ("s-7" . eyebrowse-switch-to-window-config-7)
+               ("s-8" . eyebrowse-switch-to-window-config-8)
+               ("s-9" . eyebrowse-switch-to-window-config-9)))
+            (bind-keys*
+             ("M-0" . eyebrowse-switch-to-window-config-0)
+             ("M-1" . eyebrowse-switch-to-window-config-1)
+             ("M-2" . eyebrowse-switch-to-window-config-2)
+             ("M-3" . eyebrowse-switch-to-window-config-3)
+             ("M-4" . eyebrowse-switch-to-window-config-4)
+             ("M-5" . eyebrowse-switch-to-window-config-5)
+             ("M-6" . eyebrowse-switch-to-window-config-6)
+             ("M-7" . eyebrowse-switch-to-window-config-7)
+             ("M-8" . eyebrowse-switch-to-window-config-8)
+             ("M-9" . eyebrowse-switch-to-window-config-9))
+            (eyebrowse-mode +1)))
+;; #+END_SRC
+
+;; ** Sessions
+
+;; *** Desktop
+;; Save my Emacs session and restore it on startup.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package desktop
+  :ensure nil
+  :config (progn
+            (setq desktop-dirname (expand-file-name "desktop/" user-emacs-directory)
+                  desktop-base-file-name "emacs.desktop"
+                  desktop-base-lock-name "lock"
+                  desktop-path (list desktop-dirname)
+                  desktop-save 'if-exists
+                  desktop-files-not-to-save "^$"
+                  desktop-load-locked-desktop nil)
+            (unless (file-directory-p desktop-dirname)
+              (make-directory desktop-dirname))
+            (desktop-save-mode 1)))
+;; #+END_SRC
+
+;; *** winner
+
+;; Undo, for window-based commands.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package winner
+  :config (setq winner-boring-buffers '("*Completions*" "*Help*" "*Apropos*" "*Buffer List*" "*info*" "*Compile-Log*"))
+  :init (progn
+          (winner-mode 1)))
+;; #+END_SRC
+
+;; *** windmove
+
+;; Directional window movement
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package windmove
+  :bind (("S-<left>"  . windmove-left)
+         ("S-<right>" . windmove-right)
+         ("S-<up>"    . windmove-up)
+         ("S-<down>"  . windmove-down)))
+;; #+END_SRC
+;; ** Blogging
+
+;; I have a [[https://alanpearce.uk][blog]] that I publish with hugo.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package easy-hugo
+  :config (setq easy-hugo-basedir (car (split-string (shell-command-to-string "ghq list --full-path alanpearce.uk")))
+                easy-hugo-url "https://alanpearce.uk"
+                easy-hugo-default-ext ".md"))
+;; #+END_SRC
+
+;; ** Completion
+
+;; Make built-in completion a bit more intelligent, by adding substring
+;; and initial-based completion and ignoring case.
+
+;; #+BEGIN_SRC emacs-lisp
+(setq completion-styles '(basic initials partial-completion substring)
+      completion-ignore-case t
+      tab-always-indent 'complete)
+;; #+END_SRC
+
+;; *** Company
+
+;; The main choices for automatic completion in Emacs are company and
+;; auto-complete-mode.  I’ve not tried auto-complete-mode as company
+;; seems to work perfectly well for me.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package company
+  :commands (company-mode)
+  :diminish "Cmpl"
+  :bind (("C-<tab>" . company-complete)
+         ("TAB" . company-indent-or-complete-common))
+  :init (progn
+          (add-hook 'prog-mode-hook #'company-mode-on)
+          (setq company-backends '(company-bbdb company-web-html company-tern company-nxml company-css company-eclim company-semantic company-elisp
+                                                company-clang company-xcode company-cmake company-capf
+                                                company-files (company-gtags
+                                                               company-etags company-keywords) company-oddmuse)
+                company-frontends '(company-pseudo-tooltip-unless-just-one-frontend
+                                    company-preview-frontend
+                                    company-echo-metadata-frontend)
+                company-idle-delay .3
+                company-begin-commands '(self-insert-command)
+                company-auto-complete #'company-explicit-action-p
+                company-auto-complete-chars '(?\ ?\( ?\) ?.)
+                company-tooltip-align-annotations t
+                company-selection-wrap-around t)))
+;; #+END_SRC
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package company-web
+  :after company)
+;; #+END_SRC
+
+;;; * Dates: & Times
+
+;; *** Calendar
+
+;; Weeks start on Monday for me and I prefer ISO-style dates.
+;; #+BEGIN_SRC emacs-lisp
+(use-package calendar
+  :defer 1
+  :config (progn
+            (setq calendar-week-start-day 1)
+            (calendar-set-date-style 'iso)))
+;; #+END_SRC
+
+;; Sometimes I want to insert a date or time into a buffer.
+;; #+BEGIN_SRC emacs-lisp
+(defun insert-date (prefix)
+  "Insert the current date.  With prefix-argument, use British format.  With
+     two prefix arguments, write out the day and month name."
+  (interactive "P")
+  (let ((format (cond
+                 ((not prefix) "%Y-%m-%d")
+                 ((equal prefix '(4)) "%d/%m/%Y")
+                 ((equal prefix '(16)) "%A, %d %B %Y"))))
+    (insert (format-time-string format))))
+
+(defun insert-datetime (prefix)
+  "Insert the current date and time."
+  (interactive "P")
+  (let ((format (cond
+                 ((not prefix) "%Y-%m-%d %H:%M:%S")
+                 ((equal prefix '(4)) "%Y-%m-%dT%H:%M:%SZ"))))
+    (insert (format-time-string format))))
+;; #+END_SRC
+
+;; #+BEGIN_SRC emacs-lisp
+(defun yesterday-time ()
+  "Provide the date/time 24 hours before the time now in the format of current-time."
+  (timer-relative-time (current-time) -86400))
+;; #+END_SRC
+
+;; ** Directories
+
+;; Dired works quite nicely, but not always in the way I want.  I don’t
+;; like having so many prompts for recursive operations.  Also, when I
+;; have two dired windows open, assume that I’m going to be
+;; copying/moving files between them.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package dired
+  :defer 3
+  :ensure nil
+  :config (progn
+            (bind-key "<return>" #'dired-find-file dired-mode-map)
+            (bind-key "^" (lambda () (interactive) (find-alternate-file "..")) dired-mode-map)
+            (setq dired-dwim-target t
+                  dired-recursive-copies 'top
+                  dired-recursive-deletes (if delete-by-moving-to-trash
+                                              'always
+                                              'top)
+                  dired-listing-switches "-alh")
+            (when (and (eq system-type 'darwin) (executable-find "gls"))
+              (setq insert-directory-program (executable-find "gls")))
+            (put 'dired-find-alternate-file 'disabled nil)))
+;; #+END_SRC
+
+;; Don’t show uninteresting files in dired listings.
+
+;; #+BEGIN_SRC emacs-lisp
+(defun turn-on-dired-omit-mode ()
+  (interactive)
+  (dired-omit-mode 1))
+
+(use-package dired-x
+  :commands (dired-omit-mode
+             dired-expunge)
+  :ensure nil
+  :config (progn
+            (setq dired-omit-files "#\\|\\.$"
+                  dired-omit-verbose nil
+                  dired-find-subdir t
+                  dired-bind-jump nil))
+  :init (progn
+          (add-hook 'dired-mode-hook #'turn-on-dired-omit-mode)))
+;; #+END_SRC
+
+;; Expand subfolders like a tree inside the parent
+
+;; #+BEGIN_SRC emacs-lisp
+(with-eval-after-load 'dired
+  (use-package dired-subtree
+    :functions (dired-subtree--get-ov
+                dired-subtree-maybe-up)
+    :init (progn
+            (setq dired-subtree-use-backgrounds nil)
+            (defun dired-subtree-maybe-up ()
+              "Jump up one subtree or directory"
+              (interactive)
+              (let ((ov (dired-subtree--get-ov)))
+                (if ov
+                    (progn (goto-char (overlay-start ov))
+                           (dired-previous-line 1))
+                  (dired-up-directory))))
+            (bind-key "^" #'dired-subtree-maybe-up dired-mode-map)
+            (bind-key "i" #'dired-subtree-toggle dired-mode-map))))
+;; #+END_SRC
+
+;; *** Disk usage
+
+;; Combine dired and du (disk usage).
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package dired-du
+  :after dired
+  :config (progn
+            (setq dired-du-size-format t)))
+;; #+END_SRC
+
+;; *** Dired-narrow
+;; One can already use dired with wildcards to browse a filtered
+;; directory listing, but it opens a new buffer.  Dired-narrow is a
+;; slightly nicer interface: with a currently-open dired buffer, use =/=
+;; to start filtering, =RET= to complete the filter and =g= to refresh
+;; the buffer, removing the filter.
+
+;; #+BEGIN_SRC emacs-lisp
+(with-eval-after-load 'dired
+  (use-package dired-narrow
+    :bind (:map dired-mode-map
+                ("/" . dired-narrow))))
+;; #+END_SRC
+
+;; ** Documentation
+
+;; *** ehelp
+
+;; ehelp is a less well-known package that’s part of Emacs and slightly
+;; improves the normal help commands, mostly by making quitting them easier.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ehelp
+  :bind-keymap ("C-h" . ehelp-map))
+;; #+END_SRC
+;; *** counsel-dash
+
+;; Emacs’ documentation is great to read from inside Emacs.  Counsel-dash
+;; helps to make documentation for other languages easier to access
+
+;; #+BEGIN_SRC emacs-lisp
+(defmacro ap/create-counsel-dash-hook (mode docsets)
+  (let* ((mode-s (symbol-name mode))
+         (fun (intern (concat "counsel-dash-hook-" mode-s)))
+         (hook (intern (concat mode-s "-mode-hook"))))
+    `(progn
+       (defun ,fun ()
+         (when (require 'counsel-dash nil :noerror)
+           (seq-map #'counsel-dash-install-docset
+             (seq-difference ',docsets
+                                  (helm-dash-installed-docsets)))
+           (setq-local counsel-dash-docsets ',docsets)))
+       (add-hook (quote ,hook) (function ,fun)))))
+
+(use-package counsel-dash
+  :defer 20
+  :defines counsel-dash-docsets
+  :config (progn
+            (setq counsel-dash-browser-func #'eww)
+            (ap/create-counsel-dash-hook nginx ("Nginx"))
+            (ap/create-counsel-dash-hook ansible ("Ansible"))
+            (ap/create-counsel-dash-hook php ("PHP" "Symfony"))
+            (ap/create-counsel-dash-hook twig ("Twig"))
+            (ap/create-counsel-dash-hook js2 ("JavaScript" "NodeJS" "jQuery" "Express" "SailsJS" "Lo-Dash"))
+            (ap/create-counsel-dash-hook markdown ("Markdown"))
+            (ap/create-counsel-dash-hook saltstack ("SaltStack"))
+            (ap/create-counsel-dash-hook clojure ("Clojure"))
+            (ap/create-counsel-dash-hook sql ("PostgreSQL" "MySQL"))))
+;; #+END_SRC
+
+;; *** discover-my-major
+
+;; A nicer way to browse keybindings for major modes.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package discover-my-major
+  :bind ("<f1>" . discover-my-major))
+;; #+END_SRC
+
+;; *** which-key
+
+;; Popup keybindings following a prefix automatically.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package which-key
+  :diminish which-key-mode
+  :config (progn
+            (which-key-mode 1)
+            (which-key-setup-side-window-right-bottom)))
+;; #+END_SRC
+
+;; *** eldoc
+
+;; Documentation in the echo-area (where the minibuffer is displayed) is
+;; rather useful.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package eldoc
+  :commands (eldoc-mode)
+  :diminish eldoc-mode
+  :config (progn
+            (setq eldoc-idle-delay 0.1)
+            (eldoc-add-command 'paredit-backward-delete 'paredit-close-round)))
+;; #+END_SRC
+;; ** Mail
+
+;; *** Gnus
+
+;; At work, I use gnus for email.  Some of the setup is specific to my
+;; workplace, so I keep it in a host-specific, GPG-encrypted file.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package gnus
+  :config (progn
+            (setq gnus-gcc-mark-as-read t
+                  mml-secure-openpgp-encrypt-to-self t
+                  send-mail-function #'smtpmail-send-it
+                  message-send-mail-function #'smtpmail-send-it)))
+
+(with-eval-after-load "gnus-mime"
+  (define-key gnus-mime-button-map " " #'gnus-mime-view-part-externally))
+
+(with-eval-after-load "mailcap"
+  (when (eq system-type 'darwin)
+    (mailcap-add-mailcap-entry "application" "pdf" '((viewer . "/usr/bin/qlmanage -p %s") (type . "application/pdf")))))
+
+(with-eval-after-load "mm-decode"
+  (add-to-list 'mm-discouraged-alternatives "text/html")
+  (add-to-list 'mm-discouraged-alternatives "text/richtext"))
+;; #+END_SRC
+
+;; *** BBDB
+
+;; As I'm using Emacs for email, it makes sense to have contact
+;; information here as well.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package bbdb
+  :config (progn
+            (bbdb-initialize 'gnus 'message 'pgp)
+            (bbdb-mua-auto-update-init 'gnus 'message)
+            (setq bbdb-send-mail-style 'gnus
+                  bbdb-complete-mail-allow-cycling t
+                  bbdb-mua-auto-update t
+                  bbdb-mua-update-interactive-p '(query . create)
+                  bbdb-message-all-addresses t
+                  bbdb-offer-save t
+                  bbdb-offer-to-create 1)))
+;; #+END_SRC
+
+;; ** Misc
+
+;; #+BEGIN_SRC emacs-lisp
+(defvar *init-file*
+  (let ((init-file (or user-init-file
+                       (expand-file-name "init.el" user-emacs-directory))))
+    (expand-file-name "init.el"
+                      (file-name-directory (file-truename init-file))))
+  "Where the emacs init file really is, passing through symlinks.")
+(set-register ?e `(file . ,*init-file*))
+
+(defun ap/remove-extra-cr ()
+  "Remove extraneous CR codes from a file"
+  (interactive)
+  (save-excursion
+    (goto-char (point-min))
+    (while (search-forward "
+  " nil t)
+      (replace-match ""))))
+
+(use-package rect
+  :ensure nil
+  :init (defun copy-rectangle (start end)
+          "Copy the region-rectangle."
+          (interactive "r")
+          (setq killed-rectangle (extract-rectangle start end))))
+
+(defun shell-execute (to-current-buffer)
+  (interactive "P")
+  (let ((file-buffer (if (buffer-file-name)
+                         (file-name-nondirectory (buffer-file-name))
+                       ""))
+        (command (read-shell-command "Shell command: " nil nil nil)))
+    (shell-command (replace-regexp-in-string "%" file-buffer command) to-current-buffer)))
+
+(defun process-exit-code (program &rest args)
+  "Run PROGRAM with ARGS and return the exit code"
+  (apply 'call-process program nil nil nil args))
+
+(defun narrow-to-region-indirect (start end)
+  "Restrict editing in this buffer to the current region, indirectly."
+  (interactive "r")
+  (deactivate-mark)
+  (let ((buf (clone-indirect-buffer nil nil)))
+    (with-current-buffer buf
+      (narrow-to-region start end))
+    (switch-to-buffer buf)))
+
+(bind-key* "M-!" #'shell-execute)
+(bind-key* "C-x r M-w" #'copy-rectangle)
+;; #+END_SRC
+
+;; *** Auxillary Configuration
+
+;; #+BEGIN_SRC emacs-lisp
+(require 'pinentry)
+
+(defvar have-private-key
+  (file-exists-p (expand-file-name "secring.gpg" "~/.gnupg/")))
+
+(defvar gpg-agent-ssh-sock
+  (or (getenv "GPG_AGENT_INFO")
+      (concat "/run/user/" (number-to-string (user-uid)) "/gnupg/S.gpg-agent.ssh")))
+
+(defun read-gpg-file (file)
+  (let ((file-to-decrypt (expand-file-name file user-emacs-directory))
+	(ctx (epg-make-context epa-protocol)))
+    (if (file-exists-p file-to-decrypt)
+	(epg-decrypt-file ctx file-to-decrypt nil)
+      (message "Decrypting %s...failed" file-to-decrypt)
+      (error "File %s does not exist" file-to-decrypt))))
+
+(defun load-gpg (file)
+  (if have-private-key
+      (load file)
+    (message "WARNING: Couldn't load %s (No gpg key found)" file)))
+
+; load this in a post-frame hook because gpg-agent asks for a password on first
+; startup and caches it. Don't want emacs daemon to hang because of gpg-agent.
+(defun load-private-data ()
+  (interactive)
+  (if (not (file-exists-p (expand-file-name (concat (system-name) ".el.gpg") user-emacs-directory)))
+      (message "No encrypted configuration matches system name `%s'" (system-name))
+    (if (not have-private-key)
+        (message "ERROR: Private GPG key not found")
+      (unless (or (getenv "GPG_AGENT_INFO")
+                  (getenv "SSH_AUTH_SOCK"))
+        (start-process "gpg-agent" nil "gpg-agent" "--daemon")
+        (setenv "SSH_AUTH_SOCK" gpg-agent-ssh-sock))
+      (setq password-cache-expiry nil)
+      (unless (file-exists-p (concat pinentry--socket-dir "pinentry"))
+        (pinentry-start)
+        (add-hook 'kill-emacs-hook 'pinentry-stop))
+      (add-to-list 'load-suffixes ".el.gpg")
+      (load-gpg (expand-file-name (system-name) user-emacs-directory)))))
+
+(defun first-frame-hook (frame)
+  (remove-hook 'after-make-frame-functions #'first-frame-hook)
+  (run-at-time nil nil 'load-private-data))
+
+(if (eq 1 (length (frame-list)))
+    (add-hook 'after-init-hook #'load-private-data)
+  (add-hook 'after-make-frame-functions #'first-frame-hook))
+;; #+END_SRC
+
+;; ** Minibuffer
+
+;; Sometimes I want to use the minibuffer, but I’m already inside it.
+;; Fortunately, this is possible.  Of course, I need to know how many
+;; minibuffers there are on the stack.
+
+;; #+BEGIN_SRC emacs-lisp
+(setq enable-recursive-minibuffers t)
+(minibuffer-depth-indicate-mode t)
+;; #+END_SRC
+
+;; This avoids some issue with the minibuffer and the point being behind
+;; the prompt.  I don’t remember what exactly.
+;; #+BEGIN_SRC emacs-lisp
+(setq minibuffer-prompt-properties '(read-only t point-entered minibuffer-avoid-prompt face minibuffer-prompt))
+;; #+END_SRC
+
+;; Occasionally, I exit emacs.  I should probably reduce the frequency of this.
+;; #+BEGIN_SRC emacs-lisp
+(if (daemonp)
+    (defalias 'exit-emacs #'delete-frame)
+  (defalias 'exit-emacs #'save-buffers-kill-emacs))
+;; #+END_SRC
+
+;; *** swiper/ivy
+
+;; Ivy is the new kid on the completion block.  It seems to be a strong
+;; replacement for helm so far.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package swiper
+  :bind (("C-s" . swiper)
+         ("C-r" . swiper)
+         ("C-=" . swiper))
+  :diminish ivy-mode
+  :demand t
+  :config (progn
+            (ivy-mode 1)
+            (setq ivy-re-builders-alist '((t . ivy--regex-plus))
+                  ivy-extra-directories '("./"))
+            (ivy-set-actions 'ivy-switch-buffer '(("k" (lambda (x)
+                                                         (kill-buffer x)
+                                                         (ivy--reset-state ivy-last))
+                                                   "kill")))
+            (add-to-list 'ivy-initial-inputs-alist '(counsel-M-x . ""))))
+;; #+END_SRC
+
+;; *** counsel
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package counsel
+  :config (progn
+            (bind-key "M-x" #'counsel-M-x)
+            (bind-key "<apps>" #'counsel-M-x)
+            (bind-key "<menu>" #'counsel-M-x)
+            (bind-key "C-c M-x" #'execute-extended-command)
+            (bind-key "C-x C-f" #'counsel-find-file)
+            (bind-key "M-y" #'counsel-yank-pop)
+            (bind-key "C-x i" #'counsel-imenu)
+            (bind-key "M-y" #'ivy-next-line ivy-minibuffer-map)
+            (defadvice counsel-find-file (after find-file-sudo activate)
+              "Find file as root if necessary."
+              (when (and buffer-file-name
+                         (not (file-writable-p buffer-file-name)))
+                (message "File not writable %s" buffer-file-name)
+                (find-alternate-file (concat "/sudo::" buffer-file-name))))
+            (setq counsel-rg-base-command "rg -i --no-heading --line-number --hidden %s .")))
+;; #+END_SRC
+
+
+;; *** smex
+
+;; Smex is my favourite way to use =M-x=.  Counsel’s =counsel-M-x=
+;; function uses it internally, so I’m keeping it around, even though I
+;; don’t use it directly.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package smex
+  :commands (smex
+             smex-update
+             smex-initialize)
+  :config (progn
+            (setq smex-key-advice-ignore-menu-bar t
+                  smex-auto-update nil)
+            (defun smex-update-after-load (_unused)
+              (if (boundp 'smex-cache)
+                  (smex-update)))
+            (add-hook 'after-load-functions 'smex-update-after-load))
+  :init (progn
+          (setq smex-history-length 100
+                smex-save-file (concat user-emacs-directory
+                                       "smex-items"))))
+;; #+END_SRC
+
+;; *** cmd-to-echo
+
+;; I’ve been looking for some way to run programming projects (mostly
+;; node.js) inside emacs.  =cmd-to-echo= seems great for this, as new
+;; output pops up in the echo area.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package cmd-to-echo
+  :commands (cmd-to-echo)
+  :config (setq cmd-to-echo-add-output-to-process-buffers t))
+;; #+END_SRC
+;; ** Modes
+
+;; Setup some modes for systemd files
+;; #+BEGIN_SRC emacs-lisp
+(add-to-list 'auto-mode-alist '("\\.service\\'" . conf-mode))
+(add-to-list 'auto-mode-alist '("\\.target\\'" . conf-mode))
+(add-to-list 'auto-mode-alist '("\\.socket\\'" . conf-mode))
+;; #+END_SRC
+
+;; =direnv=’s files are basically shell scripts, it’s a nice way to
+;; set environment variables for projects.
+;; #+BEGIN_SRC emacs-lisp
+(add-to-list 'auto-mode-alist '("\\.envrc\\'" . sh-mode))
+;; #+END_SRC
+
+;; Some modes that I don’t really customise much, mostly for
+;; configuration files.
+;; #+BEGIN_SRC emacs-lisp
+(use-package haskell-mode
+  :mode (("\\.hs\\'" . haskell-mode)))
+
+(use-package dockerfile-mode
+  :mode (("Dockerfile\\'" . dockerfile-mode)))
+
+(use-package nix-mode
+  :mode (("\\.nix\\'" . nix-mode)))
+
+(define-derived-mode xmonad-mode haskell-mode "XM")
+(add-to-list 'auto-mode-alist '("xmobarrc\\'" . xmonad-mode))
+(add-to-list 'auto-mode-alist '("xmonad.hs\\'" . xmonad-mode))
+
+(use-package nginx-mode
+  :defer t
+  :mode (("/nginx/servers/" . nginx-mode)
+         ("/nginx/.*\\.d/" . nginx-mode)))
+
+(use-package lua-mode
+  :defer t)
+
+(use-package ruby-mode
+  :mode (("\\.rb\\'" . ruby-mode)
+         ("\\.cap\\'" . ruby-mode)))
+
+(use-package go-mode
+  :mode (("\\.go\\'" . go-mode)))
+
+(use-package jinja2-mode
+  :mode (("\\.j2\\'" . jinja2-mode)
+         ("\\.jinja\\'" . jinja2-mode)))
+
+(use-package scss-mode
+  :defer t
+  :config (progn
+            (setq scss-compile-at-save nil)))
+
+(use-package toml-mode
+  :mode ("\\.toml\\'" . toml-mode))
+
+(use-package yaml-mode
+  :mode (("/group_vars/.*" . yaml-mode)
+         ("/host_vars/.*" . yaml-mode)))
+
+(define-derived-mode ansible-mode yaml-mode "Ansible")
+(add-to-list 'auto-mode-alist '("\\(?:ansible.+\\|roles/.+/\\(?:tasks\\|handlers\\)\\)/.+\\.yml\\'" . ansible-mode))
+
+(define-derived-mode saltstack-mode yaml-mode "Salt")
+(add-to-list 'auto-mode-alist '("\\.sls\\'" . saltstack-mode))
+;; #+END_SRC
+
+;; *** ledger
+
+;; I use [[http://ledger-cli.org/][=ledger=]] to manage my finances.  It has an Emacs mode, which
+;; works really nicely.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ledger-mode
+  :mode ("\\.ledger\\'" . ledger-mode)
+  :init (progn
+          (defun open-budget ()
+            (interactive)
+            (projectile-switch-project-by-name "~/Sync/Default")
+            (find-file (expand-file-name "ledger/my.ledger" (projectile-project-root)))
+            (ledger-report "Budget (Cumulative)" nil)))
+  :config (progn
+            (setq ledger-use-iso-dates t
+                  ledger-post-use-completion-engine :ido
+                  ledger-reconcile-default-commodity "€"
+                  ledger-clear-whole-transactions t
+                  ledger-narrow-on-reconcile t
+                  ledger-reports `(("Monthly Expenses" "ledger -f %(ledger-file) reg -M \\^Flex --real -X EUR -l \"payee != 'Opening Balances'\"")
+                                   ("Average Monthly Expenses (Past 12 Months)" ,(concat "ledger -f %(ledger-file) -b "
+                                                                                    (format-time-string "%Y-%m" (time-add (current-time) (days-to-time -365)))
+                                                                                    " --monthly --average balance ^Flex"))
+                                   ("Expenses:This Month" "ledger -f %(ledger-file) bal \\^Flex -p \"this month\"")
+                                   ("On-budget Balances" "ledger -f %(ledger-file) bal --current -R :Budget: Assets:Receivable Liabilities:Personal")
+                                   ("All Account Balances" "ledger -f %(ledger-file) bal --current -R \\^Assets \\^Liabilities")
+                                   ("Budget Values (Current Month)" "ledger -f %(ledger-file) bal -p \"this month\" --limit \"payee=~/budget/\" \\^Funds")
+                                   ("Budget (Cumulative)" "ledger -f %(ledger-file) bal -E \\^Funds \\^Assets:Budget$")
+                                   ("Budget Allocation" "ledger -f %(ledger-file) bal -p \"this month\" --limit \"payee=~/budget/\" \\^Funds --format \"\\
+                    %-17((depth_spacer)+(partial_account))\\
+                    %10(percent(market(display_total), market(parent.total)))\\
+                    %16(market(display_total))\n%/\"")
+                                   ("bal" "ledger -f %(ledger-file) bal")
+                                   ("reg" "ledger -f %(ledger-file) reg")
+                                   ("equity" "ledger -f %(ledger-file) equity")
+                                   ("payee" "ledger -f %(ledger-file) reg @%(payee)")
+                                   ("account" "ledger -f %(ledger-file) reg %(account)")))))
+;; #+END_SRC
+
+;; *** Markdown
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package markdown-mode
+  :defer t
+  :config (progn
+            (add-hook 'markdown-mode-hook #'turn-on-auto-fill)))
+;; #+END_SRC
+
+;; *** Lentic
+
+;; Multiple different views of the same file.  Can be used for a kind of
+;; inverse literate programming.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package lentic
+  :config (global-lentic-mode))
+;; #+END_SRC
+
+;; *** Org
+
+;; Org is wünderbar.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package org
+  :bind (("C-c C-a" . org-agenda-list)
+         ("C-c a" . org-agenda)
+         ("C-c l" . org-store-link))
+  :defer 8
+  :init (setq org-replace-disputed-keys t
+              org-ellipsis "…")
+  :config (progn
+            (setq org-directory "~/Sync/org"
+                  org-agenda-files `(,(concat org-directory "/agenda"))
+
+                  org-default-notes-file (concat org-directory "/notes")
+
+                  ;; ‘Remember’: new items at top
+                  org-reverse-note-order t
+
+                  org-modules '(org-protocol)
+
+                  ;; Add time done to ‘done’ tasks
+                  org-log-done 'time
+
+                  org-list-allow-alphabetical t
+
+                  org-adapt-indentation nil
+
+                  org-pretty-entities t
+
+                  org-table-duration-custom-format 'seconds
+
+                  org-src-fontify-natively nil
+
+                  org-export-have-math t
+
+                  org-blank-before-new-entry '((heading . t)
+                                               (plain-list-item . auto))
+                  org-fontify-done-headline t
+
+                  org-goto-interface 'outline-path-completion
+
+                  org-outline-path-complete-in-steps nil
+
+                  org-todo-keywords '((sequence "BACKLOG(b)" "TODO(t)" "WAIT(w@/!)" "STARTED(s!)" "|" "DONE(d!)")
+                                      (sequence "|" "CANCELLED(c@)"))
+                  org-log-into-drawer "LOGBOOK")
+            (set-register ?o `(file . ,(expand-file-name "organiser.org" org-directory)))
+            (add-hook 'org-mode-hook #'turn-on-auto-fill)
+            (org-load-modules-maybe t)))
+
+(use-package org-src
+  :ensure nil
+  :after org
+  :config (progn
+            (bind-key "C-x C-s" #'org-edit-src-exit org-src-mode-map)))
+;; #+END_SRC
+
+;; ***** org-babel
+
+;; Org’s babel feature is really nice.  I use it for this file, and I can
+;; use it to communicate between programming languages.  Sometime I hope
+;; to have my =ledger= setup in an org file with some graph processing
+;; with R or something.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ob-core
+  :defer t
+  :ensure nil
+  :config (progn
+            (org-babel-do-load-languages 'org-babel-load-languages
+                                         '((ledger . t)
+                                           (sh . t)))
+            (setq org-src-tab-acts-natively t
+                  org-edit-src-content-indentation 0
+                  org-src-preserve-indentation t)))
+;; #+END_SRC
+
+;; ***** org-journal
+
+;; I can use this to keep a journal.  I should use it.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package org-journal
+  :bind ("s-j" . org-journal-new-entry)
+  :defer 20
+  :config (progn
+            (setq org-journal-date-format "%A, %d %B %Y"
+                  org-journal-dir "~/Sync/Default/Documents/journal")
+
+            (define-hook-helper org-journal-mode ()
+              (use-variable-fonts)
+              (text-scale-adjust 4)
+              (if smartparens-strict-mode
+                  (smartparens-strict-mode -1))
+              (if show-smartparens-mode
+                  (show-smartparens-mode -1)))
+            (defun org-journal-display-entry-yesterday ()
+              "Show org-journal entry for yesterday"
+              (interactive)
+              (org-journal-read-or-display-entry (yesterday-time)))))
+;; #+END_SRC
+
+
+;; ** Programming
+;; *** flycheck
+
+;; On-the-fly error checking in programming modes?  Yes please.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package flycheck
+  :diminish " ✓"
+  :defer 5
+  :config (progn
+            (global-flycheck-mode)
+            (setq flycheck-check-syntax-automatically '(save mode-enabled))
+            (setq flycheck-indication-mode 'left-fringe)
+            (with-eval-after-load 'git-gutter-fringe
+              (fringe-helper-define 'flycheck-fringe-bitmap-double-arrow '(center repeated)
+                ".XXX...."))
+            (if (executable-find "eslint_d")
+                (setq flycheck-javascript-eslint-executable "eslint_d"))))
+;; #+END_SRC
+
+;; **** flycheck-pos-tip
+
+;; Show flycheck errors in a little popup, so I don't lose my place
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package flycheck-pos-tip
+  :after flycheck
+  :config (progn
+            (setq flycheck-display-errors-delay 0.5)
+            (flycheck-pos-tip-mode 1)))
+;; #+END_SRC
+
+;; **** flycheck-flow
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package flycheck-flow
+  :after js2-mode
+  :if (executable-find "flow")
+  :config (progn
+            (flycheck-add-next-checker 'javascript-eslint 'javascript-flow)))
+;; #+END_SRC
+
+;; *** golang
+
+;; Go has a few packages to inter-operate with other emacs packages.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package company-go
+  :commands company-go
+  :config (progn
+            (setq company-go-show-annotation t))
+  :init (progn
+          (define-hook-helper go-mode ()
+            (set (make-local-variable 'company-backends)
+                 '(company-go)))))
+
+(use-package go-eldoc
+  :commands go-eldoc-setup
+  :init (progn
+          (add-hook 'go-mode-hook #'go-eldoc-setup)))
+
+(use-package go-projectile
+  :defer t
+  :config (progn
+            (setq go-projectile-switch-gopath 'maybe)))
+
+
+;; #+END_SRC
+
+;; *** ggtags
+
+;; A nice completion backend for programming modes.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ggtags
+  :if (executable-find "gtags")
+  :commands turn-on-ggtags-mode
+  :functions (ggtags-navigation-mode-abort)
+  :config (progn
+            (bind-key "q" #'ggtags-navigation-mode-abort ggtags-navigation-mode-map))
+  :init (progn
+          (defun turn-on-ggtags-mode ()
+            (interactive)
+            (ggtags-mode 1))
+          (add-hook 'c-mode-common-hook #'turn-on-ggtags-mode)))
+;; #+END_SRC
+
+;; *** dumb-jump
+
+;; A "clever" way of implementing go-to-definition across languages: use
+;; a project-wide text search and apply heuristics to the results to
+;; guess a definition.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package dumb-jump
+  :bind (("M-g o" . dumb-jump-go-other-window)
+         ("M-g j" . dumb-jump-go)
+         ("M-g x" . dumb-jump-go-prefer-external)
+         ("M-g z" . dumb-jump-go-prefer-external-other-window))
+  :config (setq dumb-jump-selector 'ivy))
+;; #+END_SRC
+
+;; *** imenu-anywhere
+
+;; This is like imenu, but shows functions (or similar top-level
+;; entities) across buffers in the same project.  Neat!
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package imenu-anywhere
+  :bind ("C-x C-." . ivy-imenu-anywhere))
+;; #+END_SRC
+;; *** Lisps
+
+;; **** All
+
+;; Lisp modes don’t seem to have a common ancestor.  So I made a custom
+;; hook which I trigger in every lispy-mode.
+
+;; #+BEGIN_SRC emacs-lisp
+(defcustom lisp-mode-common-hook nil
+  "Hook run when entering any Lisp mode."
+  :type 'hook
+  :group 'lisp)
+
+(create-hook-helper lisp-mode-setup ()
+  :hooks (emacs-lisp-mode-hook
+          scheme-mode-hook
+          lisp-mode-hook
+          clojure-mode-hook)
+  (run-hooks 'lisp-mode-common-hook))
+;; #+END_SRC
+
+;; ***** Redshank
+
+;; Lisp syntax allows for really easy refactoring.  Redshank gives some
+;; operations that aren’t part of paredit, like extracting variables into
+;; let bindings.
+;; #+BEGIN_SRC emacs-lisp
+(use-package redshank
+  :diminish " Λ"
+  :after (paredit)
+  :config (progn
+            (add-hook 'lisp-mode-common-hook #'turn-on-redshank-mode)))
+;; #+END_SRC
+
+;; **** Emacs Lisp
+
+;; Customise the modeline-display of =emacs-lisp-mode=.  Then make sure
+;; it runs the common lisp hooks.
+
+;; #+BEGIN_SRC emacs-lisp
+(add-hook 'emacs-lisp-mode-hook #'eldoc-mode)
+;; #+END_SRC
+
+;; Go-to function for elisp.  Except it works through the entire Emacs ecosystem.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package elisp-slime-nav
+  :commands elisp-slime-nav-mode
+  :diminish elisp-slime-nav-mode
+  :init (progn
+          (add-hook 'emacs-lisp-mode-hook #'elisp-slime-nav-mode)))
+;; #+END_SRC
+
+;; Interactive elisp
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ielm
+  :defer t
+  :ensure nil
+  :config (progn
+            (define-hook-helper ielm-mode ()
+              (run-hooks 'lisp-mode-common-hook))))
+;; #+END_SRC
+
+;; **** Scheme & Lisp
+
+;; I don’t work with these as often as I would like
+
+;; #+BEGIN_SRC emacs-lisp
+(define-hook-helper lisp-mode ()
+  (set (make-local-variable 'lisp-indent-function)
+       #'common-lisp-indent-function))
+;; #+END_SRC
+
+;; ***** geiser
+
+;; A REPL thing for Scheme.  Hopefully I’ll get to use it more in the
+;; future.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package geiser
+  :commands (geiser-mode
+             geiser
+             run-geiser
+             run-racket))
+;; #+END_SRC
+
+;; ***** slime
+
+;; A REPL thing (and more) for Lisp.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package slime
+  :commands (slime)
+  :config (progn
+            (let ((ql-slime-helper (expand-file-name "~/quicklisp/slime-helper.el")))
+              (if (file-exists-p ql-slime-helper)
+                  (load ql-slime-helper))
+              (slime-setup '(slime-fancy slime-asdf)))
+            (setq common-lisp-hyperspec-root "file://opt/local/share/doc/lisp/HyperSpec-7-0/"
+                  inferior-lisp-program (or (executable-find "sbcl")
+                                            (executable-find "ccl64")))))
+;; #+END_SRC
+
+;; **** Clojure
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package clojure-mode
+  :defer t
+  :init (progn
+          (define-hook-helper cider-repl-mode ()
+            (highlight-changes-mode -1))))
+
+(use-package clj-refactor
+  :defer t
+  :functions (clj-refactor-mode cljr-add-keybindings-with-prefix)
+  :config (progn
+            (cljr-add-keybindings-with-prefix "C-c C-m"))
+  :init (progn
+          (define-hook-helper clojure-mode ()
+            (clj-refactor-mode 1))))
+;; #+END_SRC
+
+;; ***** cider
+
+;; A REPL thing for Clojure
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package cider
+  :defer t
+  :config (progn
+            (setq nrepl-hide-special-buffers t)
+            (unbind-key "C-c C-f" cider-mode-map)
+            (add-hook 'cider-mode-hook #'eldoc-mode)))
+;; #+END_SRC
+
+;; *** Auto-compile
+
+;; Auto-compile emacs lisp when saving.
+;; #+BEGIN_SRC emacs-lisp
+(use-package auto-compile
+  :defer t
+  :init (add-hook 'emacs-lisp-mode-hook #'auto-compile-on-save-mode))
+;; #+END_SRC
+
+;; *** cc-mode
+
+;; Although I don’t use C or C++, setting up the mode is helpful because
+;; quite a few other modes are derived from it.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package cc-mode
+  :defer 5
+  :config (progn
+            (setq c-default-style '((java-mode . "java")
+                                    (awk-mode . "awk")
+                                    (other . "k&r"))
+                  c-basic-offset 4)
+            (c-set-offset 'case-label '+)))
+;; #+END_SRC
+
+;; *** quickrun
+
+;; It’s nice to be able to quickly evaluate some code.  Although I don’t
+;; really seem to use it.
+;; #+BEGIN_SRC emacs-lisp
+(use-package quickrun
+  :bind (("C-c C-e" . quickrun)))
+;; #+END_SRC
+
+;; *** Scala
+
+;; Let’s try using Scala.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package scala-mode)
+;; #+END_SRC
+
+;; And add ensime, an IDE-style environment.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ensime)
+;; #+END_SRC
+
+;; *** Web development
+
+;; **** js2-mode
+
+;; This mode is really great for editing Javascript.  It turns code into
+;; an AST internally, so it can work with it almost like a lisp.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package js2-mode
+  :mode (("\\.js\\'" . js2-mode))
+  :interpreter ("node" . js2-mode)
+  :functions js2-next-error
+  :config (progn
+            (define-key js2-mode-map [menu-bar Javascript] nil)
+            (defun js2--imenu-around (do-it name)
+              "Don't create a menu from js2-mode"
+              (if (and (not (string-equal name "IM-Javascript-IDE"))
+                       (fboundp #'do-it))
+                  (do-it name)))
+            (add-hook 'js2-mode-hook #'js2-imenu-extras-mode)
+            (advice-add 'imenu-add-to-menubar :around #'js2--imenu-around)
+            (defun ap/js2-prev-error ()
+              (interactive)
+              (js2-next-error -1))
+            (bind-key "M-g M-n" #'js2-next-error js2-mode-map)
+            (bind-key "M-g M-p" #'ap/js2-prev-error js2-mode-map)
+            (setq js2-basic-offset 2
+                  js-switch-indent-offset 2
+                  js2-include-node-externs t
+                  js2-highlight-level 1
+                  js2-strict-missing-semi-warning nil)))
+;; #+END_SRC
+
+;; ***** rjsx-mode
+
+;; A set of advice for js2-jsx-mode to work better with React.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package rjsx-mode
+  :after js2-mode
+  :if (fboundp #'js2--struct-put)
+  :mode (("\\.jsx\\'" . rjsx-mode)))
+;; #+END_SRC
+
+;; ***** js2-refactor
+
+;; Thanks to the AST provided by js2-mode, refactoring is possible.  This
+;; library implements some refactorings.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package js2-refactor
+  :after js2-mode
+  :config (progn
+            (bind-key "C-k" #'js2r-kill js2-mode-map)
+            (add-hook 'js2-mode-hook #'js2-refactor-mode)
+            (js2r-add-keybindings-with-prefix "C-c C-m")))
+;; #+END_SRC
+
+;; ***** add-node-modules-path
+
+;; Inside a javascript project, it's common to install tools locally to
+;; the project.  This will allows emacs to find their executables.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package add-node-modules-path
+  :config (progn
+            (add-hook 'js2-mode-hook #'add-node-modules-path)))
+;; #+END_SRC
+
+;; ***** Flow
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package flow-minor-mode
+  :after js2-mode
+  :config (progn
+            (add-hook 'js2-mode-hook #'flow-minor-enable-automatically)))
+;; #+END_SRC
+
+;; ***** Indium
+
+;; Javascript with an inferior node.js process and a debugger?  Awesome.
+
+;; To debug with node, use version 6.9.1 or later of node and run it with
+;; ~--inspect~ and, to break on the first line, ~--debug-brk~.
+
+;; For Chrom*, it needs to be launched with
+;; ~--remote-debugging-port=9222~
+
+;; Node will tell you to open an URL in Chrome:
+
+;; ~chrome-devtools://inspector.html?...&ws=127.0.0.1:PORT/PATH~
+
+;; Instead, do this:
+
+;; ~M-x indium-connect-to-nodejs RET 127.0.0.1 RET PORT RET~
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package indium
+  :diminish (indium-interaction-mode . "In")
+  :config (progn
+            (add-hook 'js2-mode-hook #'indium-interaction-mode)))
+;; #+END_SRC
+
+;; **** coffee-mode
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package coffee-mode
+  :mode ("\\.coffee\\'" . coffee-mode)
+  :config (progn
+            (setq coffee-indent-like-python-mode t)))
+;; #+END_SRC
+
+;; **** tern
+
+;; Tern understands javascript.  It adds really clever documented
+;; completions, besides other IDE-like things.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package tern
+  :diminish tern-mode
+  :if (executable-find "tern")
+  :defer 5
+  :config (progn
+            (setq tern-command (list (executable-find "tern")))
+            (create-hook-helper tern-mode-on ()
+              :hooks (web-mode-hook
+                      js2-mode-hook)
+              (tern-mode +1))))
+
+(with-eval-after-load 'tern
+  (use-package company-tern))
+;; #+END_SRC
+
+;; **** json-mode
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package json-mode
+  :mode (("\\.json\\'" . json-mode)
+         ("\\.sailsrc\\'" . json-mode)
+         ("composer\\.lock\\'" . json-mode)
+         ("\\.tern-project\\'" . json-mode)))
+;; #+END_SRC
+
+;; **** restclient
+
+;; Restclient is really nice.  It’s like a scratchpad for HTTP api
+;; calls.  Feels a bit like using =org-babel=.  I wonder if there’s an
+;; integration between the two yet.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package restclient
+  :mode ("\\.api\\'" . restclient-mode)
+  :config (progn
+            (defun imenu-restclient-sections ()
+              (setq imenu-prev-index-position-function nil)
+              (add-to-list 'imenu-generic-expression '("Services" "^## ?\\(.+\\)$" 1) t)
+              (add-to-list 'imenu-generic-expression '("Calls" "^# ?\\(.+\\)$" 1) t))
+            (add-hook 'restclient-mode-hook #'imenu-restclient-sections)))
+
+(use-package company-restclient
+  :after (company restclient)
+  :init (add-to-list 'company-backends #'company-restclient t))
+;; #+END_SRC
+
+;; **** sgml-mode
+
+;; This is for HTML, since old versions of HTML were derived from SGML.
+;; #+BEGIN_SRC emacs-lisp
+(use-package sgml-mode
+  :defer t
+  :config (setq sgml-basic-offset 2))
+;; #+END_SRC
+
+;; **** emmet-mode
+
+;; Emmet is really nice to write HTML quickly.  Especially with
+;; frameworks that require multiple nested elements to do anything useful.
+;; #+BEGIN_SRC emacs-lisp
+(use-package emmet-mode
+  :commands (emmet-mode)
+  :diminish (emmet-mode . " >")
+  :init (progn
+          (setq emmet-indentation 2
+                emmet-self-closing-tag-style " /")
+          (add-hook 'sgml-mode-hook #'emmet-mode)
+          (add-hook 'web-mode-hook #'emmet-mode)
+          (add-hook 'css-mode-hook #'emmet-mode)))
+;; #+END_SRC
+
+;; **** web-mode
+
+;; This mode handles just about every templating language out ther, which
+;; is really nice, because it handles the HTML part the same way in all
+;; of them as well.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package web-mode
+  :mode (("/views/.*\\.php\\'" . web-mode)
+         ("\\.html\\'" . web-mode)
+         ("/templates/.*\\.php\\'" . web-mode)
+         ("\\.ejs\\'" . web-mode)
+         ("\\.njk\\'" . web-mode))
+  :config (progn
+            (setq web-mode-code-indent-offset 2
+                  web-mode-css-indent-offset 2
+                  web-mode-markup-indent-offset 2
+                  web-mode-style-padding 0
+                  web-mode-script-padding 0
+                  web-mode-comment-style 2
+                  web-mode-enable-auto-pairing nil
+                  web-mode-enable-auto-quoting nil)
+            (sp-local-pair '(web-mode) "<%" "%>")))
+;; #+END_SRC
+
+;; I derived a mode for twig, in order to use its =mode-hook=.
+
+;; #+BEGIN_SRC emacs-lisp
+(define-derived-mode twig-mode web-mode "Twig")
+(add-to-list 'auto-mode-alist '("\\.html\\.twig\\'" . twig-mode))
+;; #+END_SRC
+
+;; *** Live coding
+
+;; Sometimes I might want to show off my emacs usage.
+
+;; #+BEGIN_SRC emacs-lisp
+(defun live-coding ()
+  (interactive)
+  (ap/set-fonts "SF Mono" 18 nil nil t 0.1)
+  (global-command-log-mode 1))
+
+(defun live-coding-stop ()
+  (interactive)
+  (ap/set-fonts-according-to-system)
+  (global-command-log-mode -1))
+;; #+END_SRC
+
+;; **** command-log-mode
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package command-log-mode
+  :defines command-log-mode-key-binding-open-log
+  :init (progn
+          (setq command-log-mode-key-binding-open-log nil
+                command-log-mode-auto-show t
+                command-log-mode-is-global t)))
+;; #+END_SRC
+
+;; ** Spelling
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ispell
+  :bind (("<f8>" . ispell-word))
+  :config (progn
+            (cond
+             ((executable-find "aspell") (setq ispell-program-name "aspell"
+                                               ispell-dictionary "british"
+                                               ispell-really-aspell t
+                                               ispell-really-hunspell nil))
+             ((executable-find "hunspell") (setq ispell-program-name "hunspell"
+                                                 ispell-really-aspell nil
+                                                 ispell-really-hunspell t)))))
+;; #+END_SRC
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package flyspell
+  :diminish "﹏"
+  :config (progn
+            (defun flyspell-detect-ispell-args (&optional run-together)
+              "If RUN-TOGETHER is true, spell check the CamelCase words.
+ Please note RUN-TOGETHER will make aspell less capable. So it should only be used in prog-mode-hook."
+              (let (args)
+                (when ispell-program-name
+                  (cond
+                   ((string-match "aspell$" ispell-program-name)
+                    (setq args (list "--sug-mode=ultra"))
+                    (if run-together
+                        (setq args (append args '("--run-together" "--run-together-limit=16" "--run-together-min=2")))))
+                   ((string-match "hunspell$" ispell-program-name)
+                    (setq args nil))))
+                args))
+            ;; `ispell-extra-args' is *always* used when start CLI aspell process
+            (setq-default ispell-extra-args (flyspell-detect-ispell-args t))
+            ;; (setq ispell-cmd-args (flyspell-detect-ispell-args))
+            (defadvice ispell-word (around my-ispell-word activate)
+              (let ((old-ispell-extra-args ispell-extra-args))
+                (ispell-kill-ispell t)
+                ;; use emacs original arguments
+                (setq ispell-extra-args (flyspell-detect-ispell-args))
+                ad-do-it
+                ;; restore our own ispell arguments
+                (setq ispell-extra-args old-ispell-extra-args)
+                (ispell-kill-ispell t)))
+
+            (defadvice flyspell-auto-correct-word (around my-flyspell-auto-correct-word activate)
+              (let* ((old-ispell-extra-args ispell-extra-args))
+                (ispell-kill-ispell t)
+                ;; use emacs original arguments
+                (setq ispell-extra-args (flyspell-detect-ispell-args))
+                ad-do-it
+                ;; restore our own ispell arguments
+                (setq ispell-extra-args old-ispell-extra-args)
+                (ispell-kill-ispell t)))
+            (setq flyspell-issue-message-flag nil)
+
+            (defun fly-text-mode-hook-setup ()
+              ;; Turn off RUN-TOGETHER option when spell check text-mode
+              (setq-local ispell-extra-args (flyspell-detect-ispell-args)))
+            (add-hook 'text-mode-hook 'fly-text-mode-hook-setup)
+            (add-hook 'prog-mode-hook #'flyspell-prog-mode)))
+;; #+END_SRC
+
+;; *** Style checking
+
+;; [[https://github.com/ValeLint/vale][Vale]] is a linter, but for prose.  Neat idea!  Salesman is a bad term.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package flycheck-vale
+  :if (executable-find "vale")
+  :config (progn
+            (add-to-list 'flycheck-vale-modes 'org-mode)
+            (add-to-list 'flycheck-vale-modes 'org-journal-mode)
+            (flycheck-vale-setup)))
+;; #+END_SRC
+
+;; ** Scripting
+
+;; Make a shell-script buffer executable after saving it, if it has a shebang.
+
+;; #+BEGIN_SRC emacs-lisp
+(add-hook 'after-save-hook
+          #'executable-make-buffer-file-executable-if-script-p)
+
+(use-package sh-script
+  :mode (("\\.zsh\\'" . shell-script-mode)
+         ("zshenv\\'" . shell-script-mode)
+         ("zshrc\\'"  . shell-script-mode))
+  :config (setq sh-shell-file "/usr/bin/env zsh"
+                sh-indentation 2
+                sh-basic-offset 2))
+;; #+END_SRC
+
+;; #+BEGIN_SRC emacs-lisp
+(add-hook 'shell-mode-hook 'ansi-color-for-comint-mode-on)
+;; #+END_SRC
+
+;; *** eshell
+
+;; I should try to get into the habit of using this more.  It’s really
+;; nice, when I remember to use it.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package eshell
+  :bind ("C-c s" .  eshell)
+  :defer 10
+  :functions (eshell/pwd)
+  :config (progn
+            (setq eshell-directory-name "~/.emacs.d/eshell"
+                  eshell-prompt-function (lambda ()
+                                           (concat
+                                            (eshell/pwd)
+                                            "\n$ ")))
+            (define-hook-helper eshell-load ()
+              (bind-key "C-c C-l" #'counsel-esh-history eshell-mode-map))))
+
+(use-package em-smart
+  :ensure nil
+  :commands eshell-smart-initialize
+  :init (progn
+          (add-hook 'eshell-load-hook #'eshell-smart-initialize))
+  :config (progn
+            (setq eshell-where-to-jump 'begin
+                  eshell-review-quick-commands nil
+                  eshell-smart-space-goes-to-end t)))
+
+(autoload #'eshell/cd "em-dirs")
+(defun eshell-goto-current-dir (&optional arg)
+  (interactive "P")
+  (let ((dir default-directory))
+    (eshell arg)
+    (eshell/cd dir)))
+(bind-key "C-c S" #'eshell-goto-current-dir)
+
+
+;; #+END_SRC
+
+;; **** Shells
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package shell
+  :defer t
+  :ensure nil
+  :config (define-key shell-mode-map
+            (kbd "C-d") 'comint-delchar-or-eof-or-kill-buffer))
+
+(use-package comint
+  :defer t
+  :ensure nil
+  :config (bind-key "C-c C-l" #'counsel-shell-history comint-mode-map))
+
+(defun comint-delchar-or-eof-or-kill-buffer (arg)
+  (interactive "p")
+  (if (null (get-buffer-process (current-buffer)))
+      (kill-buffer)
+    (comint-delchar-or-maybe-eof arg)))
+;; #+END_SRC
+
+;; ** Text editing
+
+;; Emacs has an editor within.
+
+;; #+BEGIN_SRC emacs-lisp
+(put 'upcase-region 'disabled nil)
+(put 'downcase-region 'disabled nil)
+(setq sentence-end-double-space t
+      line-move-visual nil)
+(setq-default truncate-lines t)
+;; #+END_SRC
+
+;; *** align
+
+;; =Align= is a useful command to line things up, once given some rules.
+;; The most important one for me is JSON property alignment.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package align
+  :defer 10
+  :ensure nil
+  :config (progn
+            (add-to-list 'align-rules-list
+                         '(colon-key-value
+                           (regexp . ":\\(\\s-*\\)")
+                           (modes  . '(js2-mode))))))
+;; #+END_SRC
+
+;; *** Clipboard
+
+;; I like to use the clipboard more than the primary selection in X11.
+
+;; #+BEGIN_SRC emacs-lisp
+(setq select-enable-clipboard t
+      save-interprogram-paste-before-kill t)
+(if (functionp 'x-cut-buffer-or-selection-value)
+    (setq interprogram-paste-function 'x-cut-buffer-or-selection-value))
+(when (boundp 'x-select-request-type)
+  (setq x-select-request-type '(UTF8_STRING COMPOUND_TEXT TEXT STRING)))
+;; #+END_SRC
+
+;; *** Selection
+
+;; I’m quite used to deleting text by selecting it and typing.  Emacs has
+;; a mode for that.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package delsel
+  :config (delete-selection-mode t))
+;; #+END_SRC
+
+;; Sub-word movement is really nice for camel- and Pascal-case
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package subword
+  :diminish subword-mode
+  :init (global-subword-mode t))
+;; #+END_SRC
+
+;; I find that =zap-up-to-char= normally makes more sense to me than
+;; =zap-to-char=.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package misc
+  :ensure nil
+  :bind (("M-z" . zap-up-to-char)
+         ("M-Z" . zap-to-char)))
+;; #+END_SRC
+
+;; Expanding the region by semantic units was something I quite liked
+;; from Sublime Text.  As always, there’s a mode for that.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package expand-region
+  :bind ("C-M-SPC" . er/expand-region)
+  :config (setq expand-region-fast-keys-enabled nil))
+;; #+END_SRC
+
+;; *** avy
+
+;; Avy is a really nice way to move around files, like ace-jump-mode, but
+;; somehow I prefer it.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package avy
+  :defer 5
+  :bind (("M-g g" . avy-goto-line)
+         ("M-g M-g" . avy-goto-line)
+         ("C-|" . avy-goto-line)
+         ("M-r" . avy-goto-word-1)
+         ("C-c SPC" . avy-goto-char-timer))
+  :config (progn
+            (avy-setup-default)
+            (setq avy-all-windows nil
+                  avy-keys '(?a ?r ?s ?t ?d ?h ?n ?e ?i ?\;))))
+;; #+END_SRC
+
+;; **** ace-link
+
+;; Visit any link.  Despite the name, this works with avy.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package ace-link
+  :after avy
+  :config (progn
+            (ace-link-setup-default)
+            (with-eval-after-load "gnus"
+              (bind-key "M-o" #'ace-link-gnus gnus-summary-mode-map)
+              (bind-key "M-o" #'ace-link-gnus gnus-article-mode-map))))
+;; #+END_SRC
+
+;; *** goto-chg
+
+;; This is like popping the mark, only it filters to only change areas
+;; and doesn’t go back to the same place more than once.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package goto-chg
+  :bind ("C-c C-SPC" . goto-last-change))
+;; #+END_SRC
+
+;; *** beginend
+
+;; In special buffers, I would rather have =M->= and =M-<= goto the
+;; logical beginning/end rather than the physical ones.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package beginend
+  :config (progn
+            (beginend-setup-all)))
+;; #+END_SRC
+
+;; *** multiple-cursors
+
+;; I mentioned before that I’d used Sublime Text before.  Multiple
+;; cursors was one of my favourite features, so I was really happy when I
+;; saw that multiple-cursors was released for Emacs.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package multiple-cursors
+  :defer 1
+  :bind* (("C-." . mc/mark-next-like-this)
+          ("C-," . mc/mark-previous-like-this)
+          ("M-<f3>" . mc/mark-all-like-this-dwim)
+          ("C-<f3>" . mc/mark-more-like-this-extended)
+          ("C-S-L" . mc/edit-lines)))
+;; #+END_SRC
+
+;; *** paredit
+
+;; Balanced parentheses in lisps are nice, but all the refactoring and
+;; movement commands are much more interesting.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package paredit
+  :diminish "()"
+  :config (progn
+            (add-hook 'lisp-mode-common-hook #'enable-paredit-mode)
+            (put #'paredit-forward-delete 'delete-selection 'supersede)
+            (put #'paredit-backward-delete 'delete-selection 'supersede)
+            (add-hook 'eval-expression-minibuffer-setup-hook #'enable-paredit-mode)))
+;; #+END_SRC
+
+;; *** smartparens
+
+;; I like to use smartparens where paredit isn’t already useful.  Somehow
+;; I didn’t find smartparens’ implementation of paredit style to be as
+;; nice as the real version
+
+;; #+BEGIN_SRC emacs-lisp
+(eval-when-compile (require 'smartparens nil :noerror))
+(use-package smartparens-config
+  :ensure smartparens
+  :config (progn
+            (sp-use-smartparens-bindings)
+            (setq sp-highlight-pair-overlay nil)
+            (fset 'wrap-with-paren "\C-](") ;; `sp-select-next-thing-exchange'
+            (bind-key "C-(" #'wrap-with-paren smartparens-mode-map)
+            (bind-key "C-)" #'sp-forward-slurp-sexp smartparens-mode-map)
+            (bind-key "M-<backspace>" #'backward-kill-word smartparens-mode-map)
+            (bind-key "M-?" #'sp-convolute-sexp smartparens-mode-map)
+            (bind-key "C-M-t" #'sp-transpose-sexp smartparens-mode-map)
+            (bind-key "M-R" #'sp-raise-sexp smartparens-mode-map)
+            (bind-key "M-S" #'sp-splice-sexp smartparens-mode-map)
+            (bind-key "C-M-s" #'sp-split-sexp smartparens-mode-map)
+            (bind-key "M-J" #'sp-join-sexp smartparens-mode-map)
+            (bind-key "M-<up>" #'sp-splice-sexp-killing-backward smartparens-mode-map)
+            (bind-key "M-<down>" #'sp-splice-sexp-killing-forward smartparens-mode-map)
+            (bind-key "C-M-S-k" #'sp-kill-hybrid-sexp smartparens-mode-map)
+            (bind-key "C-S-<right>" #'sp-slurp-hybrid-sexp smartparens-mode-map)
+            (sp-with-modes '(twig-mode)
+              (sp-local-pair "{%" "%}")
+              (sp-local-pair "{{" "}}"))
+            (show-smartparens-global-mode t)
+            (smartparens-global-strict-mode t)
+            (add-hook 'lisp-mode-common-hook #'turn-off-smartparens-mode)
+            (add-hook 'coffee-mode-hook #'turn-off-smartparens-mode)))
+;; #+END_SRC
+
+
+;; *** move-text
+
+;; Transposing lines, made easier.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package move-text
+  :config (move-text-default-bindings))
+;; #+END_SRC
+
+;; *** undo-tree
+
+;; Emacs’ default handling of undo is a bit confusing.  Undo-tree makes
+;; it much clearer.  It’s especially helpful for protoyping and refactoring.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package undo-tree
+  :config (progn
+            (global-undo-tree-mode)
+            ;; Keep region when undoing in region
+            (defadvice undo-tree-undo (around keep-region activate)
+              (if (use-region-p)
+                  (let ((m (set-marker (make-marker) (mark)))
+                        (p (set-marker (make-marker) (point))))
+                    ad-do-it
+                    (goto-char p)
+                    (set-mark m)
+                    (set-marker p nil)
+                    (set-marker m nil))
+                ad-do-it)))
+  :diminish undo-tree-mode)
+;; #+END_SRC
+
+;; *** replace
+
+;; #+BEGIN_SRC emacs-lisp
+(with-eval-after-load "replace.el"
+  (setq case-replace nil))
+;; #+END_SRC
+
+;; *** visual-regexp
+
+;; I don’t always remember exactly how Emacs’ regular expressions work,
+;; so this package is pretty useful because it highlights everything in
+;; the buffer for me.
+
+;; #+BEGIN_SRC emacs-lisp
+(use-package visual-regexp
+  :bind (("C-c r" . vr/replace)
+         ("C-c q" . vr/query-replace)
+         ("C-c m" . vc/mc-mark)))
+;; #+END_SRC
+
+;; ** End
+
+;; Start a server if possible.  A daemon is already a server.
+;; #+BEGIN_SRC emacs-lisp
+(use-package server
+  :defer 2
+  :if (not (daemonp))
+  :config (unless (server-running-p server-name)
+            (server-start)))
+(setq gc-cons-threshold 800000
+      file-name-handler-alist file-name-handler-alist-backup)
+;; #+END_SRC
+
+;; Local Variables:
+;; lentic-init: lentic-orgel-org-init
+;; End:
diff --git a/emacs/.emacs.d/init.org b/emacs/.emacs.d/init.org
index d15dcd6..d428bd8 100644
--- a/emacs/.emacs.d/init.org
+++ b/emacs/.emacs.d/init.org
@@ -1,12 +1,14 @@
+# # emacs-config --- Summary
 #+TITLE: Emacs Configuration for Alan Pearce
 #+OPTIONS: ^:nil
 #+PROPERTY: results silent
 #+PROPERTY: eval no-export
 #+PROPERTY: header-args :comments link
-* Introduction
+* Header
 This is a living document, detailing my Emacs configuration using org-mode
-* Basics
-** Startup
+* Code
+** Basics
+*** Startup
 Open Emacs with just a plain window.  No graphics or messages, please!
 #+BEGIN_SRC emacs-lisp
 (put 'inhibit-startup-echo-area-message 'saved-value
@@ -29,7 +31,7 @@ Are we running on Windows via the WSL?
       (setq system-type 'gnu/linux/windows))))
 #+END_SRC
 
-** Compatibility
+*** Compatibility
 
 #+BEGIN_SRC emacs-lisp
 (if (version< emacs-version "25.0")
@@ -37,7 +39,7 @@ Are we running on Windows via the WSL?
       `(eval-after-load ,file (lambda () ,@body))))
 #+END_SRC
 
-** Scratch buffers
+*** Scratch buffers
 I usually use scratch buffers for any sort of text.  If I need a
 programming mode in one, then I’ll just call it manually.  I also like
 the buffer to be empty.
@@ -46,15 +48,15 @@ the buffer to be empty.
       initial-major-mode 'text-mode)
 #+END_SRC
 
-** Personal Information
+*** Personal Information
 #+BEGIN_SRC emacs-lisp
 (setq user-mail-address "alan@alanpearce.eu"
       user-full-name "Alan Pearce")
 #+end_src
 
-* Packaging
+** Packaging
 
-** Use-package
+*** Use-package
 
 #+BEGIN_SRC emacs-lisp
 (eval-and-compile
@@ -100,9 +102,9 @@ the buffer to be empty.
       package-enable-at-startup nil)
 #+END_SRC
 
-** Helpers
+*** Helpers
 
-*** Hook Helpers
+**** Hook Helpers
 
 An improvement over add-hook with lamda functions that allows
 modification and removal, without the boilerplate of an extra function
@@ -113,7 +115,7 @@ definition.
   (use-package hook-helpers))
 #+END_SRC
 
-* Customize
+** Customize
 I don’t really like using customize for normal configuration.
 Instead, I use it for things that get saved automatically.  That’s why
 I use a different file, which is ignored by the VCS.  It also means
@@ -125,7 +127,7 @@ pass =:noerror= to =load=
 (load custom-file :noerror :nomessage)
 #+END_SRC
 
-* Styles
+** Styles
 
 I prefer an always-visible cursor.  Feels less distracting.
 #+BEGIN_SRC emacs-lisp
@@ -155,7 +157,7 @@ Ring the bell sometimes, but not so often
           (ding))))
 #+END_SRC
 
-** Colours
+*** Colours
 
 Eziam looks nice, too, except for the non-white background.  I prefer
 white because most other application backgrounds are that colour.
@@ -212,7 +214,7 @@ can enable it if needed.
   :diminish highlight-stages-mode)
 #+END_SRC
 
-** Fonts
+*** Fonts
 
 When possible, set up fonts.  I don’t have any settings here for X11,
 because I manage those in my [[file:~/projects/dotfiles/tag-xresources/xresources/main][XResources file]].
@@ -277,7 +279,7 @@ it has it's own, more extensive version.
     (global-prettify-symbols-mode +1))
 #+END_SRC
 
-** Page Breaks
+*** Page Breaks
 
 By default, Emacs displays page breaks as ^L.  Lines look much nicer.
 On Windows, Emacs incorrectly detects that U+2500 (Box Drawings Light
@@ -295,7 +297,7 @@ correct, at least for Liberation Mono.
                                 (cons page-break-lines-char page-break-lines-char)
                                 (face-attribute 'default :family)))))
 #+END_SRC
-** Modeline
+*** Modeline
 
 #+BEGIN_SRC emacs-lisp
 (column-number-mode -1)
@@ -325,7 +327,7 @@ correct, at least for Liberation Mono.
                                '(dired-directory (" — " dired-directory))))
 #+END_SRC
 
-** Chrome
+*** Chrome
 
 Sometimes I like to hide clutter.  Other times, it's useful.
 
@@ -383,7 +385,7 @@ Sometimes I like to hide clutter.  Other times, it's useful.
 (add-hook 'minibuffer-exit-hook #'hide-mode-line)
 #+END_SRC
 
-** Highlight Changes
+*** Highlight Changes
 
 Highlight what just changed when I undo, yank, and so on.
 
@@ -394,7 +396,7 @@ Highlight what just changed when I undo, yank, and so on.
             (volatile-highlights-mode t)))
 #+END_SRC
 
-** Beacon
+*** Beacon
 
 I was against the idea of having flashy animations inside Emacs, but
 this one is useful.  It highlights the cursor when scrolling or
@@ -411,7 +413,7 @@ switching windows.
                   beacon-color "#a1b56c")))
 #+END_SRC
 
-** Renaming major modes
+*** Renaming major modes
 
 Diminishing major modes does not happen in the same manner as minor
 modes.
@@ -436,7 +438,7 @@ modes.
 #+END_SRC
 
 
-* Environment Variables
+** Environment Variables
 
 MacOS doesn’t have a reasonable way to set environment variables and
 read them automatically any more.  So, let’s use the
@@ -457,7 +459,7 @@ It starts up without an environment in this case as well.
             (exec-path-from-shell-initialize)))
 #+END_SRC
 
-** NixOS sandboxes
+*** NixOS sandboxes
 
 I'm currently exploring using nix to create sandboxes for
 development.  This package allows using tools from inside sandboxes,
@@ -479,7 +481,7 @@ and some convenience commands for building packages and launching shells.
                         (executable-find cmd)))))))
 #+END_SRC
 
-* Keybindings
+** Keybindings
 
 I think =set-keyboard-coding-system= stops OS X from doing something
 annoying to add accents.  The modifier setup is to match my
@@ -533,7 +535,7 @@ Option/alt, then Control.
 (set-register ?z `(file . ,(expand-file-name ".config/zsh/zshrc" "~")))
 #+END_SRC
 
-** Crux
+*** Crux
 
 I can replace most of the simple helper/wrapper functions in my
 configuration with crux.el
@@ -554,7 +556,7 @@ configuration with crux.el
           (defalias 'rename-current-buffer-file #'crux-rename-file-and-buffer)))
 #+END_SRC
 
-* Projects
+** Projects
 
 #+BEGIN_SRC emacs-lisp
 (defun switch-to-dotfiles ()
@@ -562,7 +564,7 @@ configuration with crux.el
   (projectile-switch-project-by-name (car (split-string (shell-command-to-string "ghq list --full-path dotfiles")))))
 #+END_SRC
 
-** The Silver Searcher
+*** The Silver Searcher
 
 #+BEGIN_SRC emacs-lisp
 (use-package ag
@@ -573,7 +575,7 @@ configuration with crux.el
   :after ag)
 #+END_SRC
 
-** Ripgrep
+*** Ripgrep
 
 Step over Silver Search, here comes a new challenger.
 
@@ -587,7 +589,7 @@ Step over Silver Search, here comes a new challenger.
   :bind (("C-c p s r" . projectile-ripgrep)))
 #+END_SRC
 
-** Projectile
+*** Projectile
 
 Projectile is awesome for working in projects, especially VCS-backed
 ones.
@@ -657,7 +659,7 @@ ones.
             (define-key projectile-mode-map [remap counsel-projectile-ag] #'counsel-projectile-rg)))
 #+END_SRC
 
-** vc
+*** vc
 
 This is nice for some things that magit doesn’t do, and for those rare
 occasions that I’m working with something other than git.
@@ -673,7 +675,7 @@ occasions that I’m working with something other than git.
                                                tramp-file-name-regexp))))
 #+END_SRC
 
-** git-gutter-fringe
+*** git-gutter-fringe
 
 It’s nice to be able to see at a glance which lines of a file have
 changed.  This package colours the fringe.  I have it set to the right
@@ -701,7 +703,7 @@ fringe so it doesn’t interfere with flycheck.
             (setq git-gutter-fr:side 'right-fringe)))
 #+END_SRC
 
-** magit
+*** magit
 
 Magit is my favourite way to use git.  I use selective staging all the
 time.  Make sure to set it up with a nice =completing-read-function=
@@ -718,7 +720,7 @@ time.  Make sure to set it up with a nice =completing-read-function=
   :init (add-hook 'magit-mode-hook #'magit-load-config-extensions))
 #+END_SRC
 
-** git-messenger
+*** git-messenger
 
 Popup the last commit that changed the line at point.
 
@@ -729,7 +731,7 @@ Popup the last commit that changed the line at point.
             (setq git-messenger:use-magit-popup t)))
 #+END_SRC
 
-** git-timemachine
+*** git-timemachine
 
 This package allow me to go through a file’s history with just a few
 keys.  It makes it very easy to figure what what exactly was in a file
@@ -741,7 +743,7 @@ a particular way, but it changed later.
   :commands git-timemachine)
 #+END_SRC
 
-** ghq
+*** ghq
 
 [[https://github.com/motemen/ghq][=ghq=]] clones VCS-backed projects to a common directory.  It should
 seem familiar to anyone who's used =go get= before.  [[https://github.com/rcoedo/emacs-ghq][=emacs-ghq=]] is a
@@ -752,9 +754,9 @@ simple wrapper for it.
   :if (executable-find "ghq"))
 #+END_SRC
 
-* Files
+** Files
 
-** Auto-saving
+*** Auto-saving
 
 Auto-save everything to a temporary directory, instead of cluttering
 the filesystem.  I don’t want emacs-specific lockfiles, either.
@@ -763,7 +765,7 @@ the filesystem.  I don’t want emacs-specific lockfiles, either.
 (setq auto-save-file-name-transforms `((".*" ,temporary-file-directory t))
       create-lockfiles nil)
 #+END_SRC
-** Backups
+*** Backups
 
 I like to keep my backups out of regular folders.  I tell emacs to use
 a subfolder of its configuration directory for that.  Also, use the
@@ -784,7 +786,7 @@ trash for deleting on OS X.
                       file))))
 #+END_SRC
 
-** autorevert
+*** autorevert
 
 #+BEGIN_SRC emacs-lisp
 (use-package autorevert
@@ -795,7 +797,7 @@ trash for deleting on OS X.
                 auto-revert-use-notify (not (eq system-type 'darwin)))))
 #+END_SRC
 
-** Encoding
+*** Encoding
 
 UTF-8 is usually appropriate.  Note that =prefer-coding-system= expects
 only a coding system, not a coding system and line ending combination.
@@ -805,7 +807,7 @@ only a coding system, not a coding system and line ending combination.
 (setq-default buffer-file-coding-system 'utf-8-auto-unix)
 #+END_SRC
 
-** Buffer-file management
+*** Buffer-file management
 
 Ask if I want to create a directory when it doesn’t exist.  This is
 especially nice when starting new projects.
@@ -836,7 +838,7 @@ with a buffer.
         (kill-buffer buf)))))
 #+END_SRC
 
-** Whitespace
+*** Whitespace
 
 Show bad whitespace, so that I can fix it.
 
@@ -851,7 +853,7 @@ Show bad whitespace, so that I can fix it.
 (add-hook 'text-mode-hook #'show-trailing-whitespace-on)
 #+END_SRC
 
-** shrink-whitespace
+*** shrink-whitespace
 
 DWIM whitespace removal.  So I don’t need =M-SPC=, =M-\= and =C-x o=
 for similar things any more.
@@ -861,7 +863,7 @@ for similar things any more.
   :bind ("M-SPC" . shrink-whitespace))
 #+END_SRC
 
-** Tramp
+*** Tramp
 
 Tramp is awesome.  It makes SSH feel Unix-y.  The proxy setup is so
 that I can sudo on remote machines
@@ -888,7 +890,7 @@ that I can sudo on remote machines
             (add-to-list 'tramp-default-proxies-alist '("localhost" nil nil))))
 #+END_SRC
 
-** ediff
+*** ediff
 
 I like a horizonal diff setup, with everything in one frame.
 
@@ -900,7 +902,7 @@ I like a horizonal diff setup, with everything in one frame.
                   ediff-window-setup-function 'ediff-setup-windows-plain)))
 #+END_SRC
 
-* Indentation
+** Indentation
 
 Ah, a complicated topic.  One day we’ll all be using elastic
 tabstops.  I’ve recently switched to using two spaces, since elastic
@@ -913,7 +915,7 @@ tabstops is probably never going to happen.
 #+END_SRC
 
 
-** smart-tabs-mode
+*** smart-tabs-mode
 
 Not related to [[smart-tab][=smart-tab=]], this mode indents with tabs and aligns
 with spaces.  Perfect!
@@ -927,7 +929,7 @@ with spaces.  Perfect!
               (smart-tabs-mode indent-tabs-mode))))
 #+END_SRC
 
-** editorconfig
+*** editorconfig
 
 #+BEGIN_SRC emacs-lisp
 (use-package editorconfig
@@ -935,7 +937,7 @@ with spaces.  Perfect!
   :config (editorconfig-mode 1))
 #+END_SRC
 
-** dtrt-indent-mode
+*** dtrt-indent-mode
 
 Sometimes people use different indentation settings.  [[https://github.com/jscheid/dtrt-indent][dtrt-indent]]
 guesses the correct settings for me.
@@ -951,9 +953,9 @@ guesses the correct settings for me.
               (smart-tabs-mode (or indent-tabs-mode -1)))))
 #+END_SRC
 
-* Security
+** Security
 
-** password-store
+*** password-store
 
 This is a frontend to the GPG-powered =pass= program.
 #+BEGIN_SRC emacs-lisp
@@ -962,9 +964,9 @@ This is a frontend to the GPG-powered =pass= program.
   :config (progn
             (setq password-store-password-length 16)))
 #+END_SRC
-* Buffers
+** Buffers
 
-** Ibuffer
+*** Ibuffer
 Ibuffer is quite nice for listing all buffers.
 
 #+BEGIN_SRC emacs-lisp
@@ -1000,7 +1002,7 @@ Ibuffer is quite nice for listing all buffers.
                           filename-and-process)))))
 #+END_SRC
 
-** Relative Buffer names
+*** Relative Buffer names
 
 #+BEGIN_SRC emacs-lisp
 (use-package relative-buffers
@@ -1008,7 +1010,7 @@ Ibuffer is quite nice for listing all buffers.
   :config (progn
             (global-relative-buffers-mode)))
 #+END_SRC
-** Narrowing
+*** Narrowing
 
 Enable it without prompting
 
@@ -1018,7 +1020,7 @@ Enable it without prompting
 (put 'narrow-to-region 'disabled nil)
 #+END_SRC
 
-** ace-window
+*** ace-window
 
 I don’t often have many windows open at once, but when I do,
 =ace-window= is really nice to jump around them in the same way that
@@ -1041,7 +1043,7 @@ I don’t often have many windows open at once, but when I do,
                   aw-keys '(?a ?r ?s ?t ?n ?e ?i ?o))))
 #+END_SRC
 
-* Windows
+** Windows
 
 Scrolling is tricky.  I use this setup to help me keep track of the
 point whilst I’m moving about.
@@ -1058,7 +1060,7 @@ point whilst I’m moving about.
     (setq ns-pop-up-frames nil))
 #+END_SRC
 
-** eyebrowse
+*** eyebrowse
 
 Workspaces, a bit like dwm.  On Windows and Linux (at least the WMs
 I'm likely to use), super+{0-9} are taken from the OS, so use meta
@@ -1095,9 +1097,9 @@ programs to switch between program windows or views.
             (eyebrowse-mode +1)))
 #+END_SRC
 
-* Sessions
+** Sessions
 
-** Desktop
+*** Desktop
 Save my Emacs session and restore it on startup.
 
 #+BEGIN_SRC emacs-lisp
@@ -1116,7 +1118,7 @@ Save my Emacs session and restore it on startup.
             (desktop-save-mode 1)))
 #+END_SRC
 
-** winner
+*** winner
 
 Undo, for window-based commands.
 
@@ -1127,7 +1129,7 @@ Undo, for window-based commands.
           (winner-mode 1)))
 #+END_SRC
 
-** windmove
+*** windmove
 
 Directional window movement
 
@@ -1138,7 +1140,7 @@ Directional window movement
          ("S-<up>"    . windmove-up)
          ("S-<down>"  . windmove-down)))
 #+END_SRC
-* Blogging
+** Blogging
 
 I have a [[https://alanpearce.uk][blog]] that I publish with hugo.
 
@@ -1149,7 +1151,7 @@ I have a [[https://alanpearce.uk][blog]] that I publish with hugo.
                 easy-hugo-default-ext ".md"))
 #+END_SRC
 
-* Completion
+** Completion
 
 Make built-in completion a bit more intelligent, by adding substring
 and initial-based completion and ignoring case.
@@ -1160,7 +1162,7 @@ and initial-based completion and ignoring case.
       tab-always-indent 'complete)
 #+END_SRC
 
-** Company
+*** Company
 
 The main choices for automatic completion in Emacs are company and
 auto-complete-mode.  I’ve not tried auto-complete-mode as company
@@ -1194,9 +1196,9 @@ seems to work perfectly well for me.
   :after company)
 #+END_SRC
 
-* Dates & Times
+;;; * Dates: & Times
 
-** Calendar
+*** Calendar
 
 Weeks start on Monday for me and I prefer ISO-style dates.
 #+BEGIN_SRC emacs-lisp
@@ -1234,7 +1236,7 @@ Sometimes I want to insert a date or time into a buffer.
   (timer-relative-time (current-time) -86400))
 #+END_SRC
 
-* Directories
+** Directories
 
 Dired works quite nicely, but not always in the way I want.  I don’t
 like having so many prompts for recursive operations.  Also, when I
@@ -1300,7 +1302,7 @@ Expand subfolders like a tree inside the parent
             (bind-key "i" #'dired-subtree-toggle dired-mode-map))))
 #+END_SRC
 
-** Disk usage
+*** Disk usage
 
 Combine dired and du (disk usage).
 
@@ -1311,7 +1313,7 @@ Combine dired and du (disk usage).
             (setq dired-du-size-format t)))
 #+END_SRC
 
-** Dired-narrow
+*** Dired-narrow
 One can already use dired with wildcards to browse a filtered
 directory listing, but it opens a new buffer.  Dired-narrow is a
 slightly nicer interface: with a currently-open dired buffer, use =/=
@@ -1325,9 +1327,9 @@ the buffer, removing the filter.
                 ("/" . dired-narrow))))
 #+END_SRC
 
-* Documentation
+** Documentation
 
-** ehelp
+*** ehelp
 
 ehelp is a less well-known package that’s part of Emacs and slightly
 improves the normal help commands, mostly by making quitting them easier.
@@ -1336,7 +1338,7 @@ improves the normal help commands, mostly by making quitting them easier.
 (use-package ehelp
   :bind-keymap ("C-h" . ehelp-map))
 #+END_SRC
-** counsel-dash
+*** counsel-dash
 
 Emacs’ documentation is great to read from inside Emacs.  Counsel-dash
 helps to make documentation for other languages easier to access
@@ -1371,7 +1373,7 @@ helps to make documentation for other languages easier to access
             (ap/create-counsel-dash-hook sql ("PostgreSQL" "MySQL"))))
 #+END_SRC
 
-** discover-my-major
+*** discover-my-major
 
 A nicer way to browse keybindings for major modes.
 
@@ -1380,7 +1382,7 @@ A nicer way to browse keybindings for major modes.
   :bind ("<f1>" . discover-my-major))
 #+END_SRC
 
-** which-key
+*** which-key
 
 Popup keybindings following a prefix automatically.
 
@@ -1392,7 +1394,7 @@ Popup keybindings following a prefix automatically.
             (which-key-setup-side-window-right-bottom)))
 #+END_SRC
 
-** eldoc
+*** eldoc
 
 Documentation in the echo-area (where the minibuffer is displayed) is
 rather useful.
@@ -1405,9 +1407,9 @@ rather useful.
             (setq eldoc-idle-delay 0.1)
             (eldoc-add-command 'paredit-backward-delete 'paredit-close-round)))
 #+END_SRC
-* Mail
+** Mail
 
-** Gnus
+*** Gnus
 
 At work, I use gnus for email.  Some of the setup is specific to my
 workplace, so I keep it in a host-specific, GPG-encrypted file.
@@ -1432,7 +1434,7 @@ workplace, so I keep it in a host-specific, GPG-encrypted file.
   (add-to-list 'mm-discouraged-alternatives "text/richtext"))
 #+END_SRC
 
-** BBDB
+*** BBDB
 
 As I'm using Emacs for email, it makes sense to have contact
 information here as well.
@@ -1451,7 +1453,7 @@ information here as well.
                   bbdb-offer-to-create 1)))
 #+END_SRC
 
-* Misc
+** Misc
 
 #+BEGIN_SRC emacs-lisp
 (defvar *init-file*
@@ -1503,7 +1505,7 @@ information here as well.
 (bind-key* "C-x r M-w" #'copy-rectangle)
 #+END_SRC
 
-** Auxillary Configuration
+*** Auxillary Configuration
 
 #+BEGIN_SRC emacs-lisp
 (require 'pinentry)
@@ -1556,7 +1558,7 @@ information here as well.
   (add-hook 'after-make-frame-functions #'first-frame-hook))
 #+END_SRC
 
-* Minibuffer
+** Minibuffer
 
 Sometimes I want to use the minibuffer, but I’m already inside it.
 Fortunately, this is possible.  Of course, I need to know how many
@@ -1580,7 +1582,7 @@ Occasionally, I exit emacs.  I should probably reduce the frequency of this.
   (defalias 'exit-emacs #'save-buffers-kill-emacs))
 #+END_SRC
 
-** swiper/ivy
+*** swiper/ivy
 
 Ivy is the new kid on the completion block.  It seems to be a strong
 replacement for helm so far.
@@ -1603,7 +1605,7 @@ replacement for helm so far.
             (add-to-list 'ivy-initial-inputs-alist '(counsel-M-x . ""))))
 #+END_SRC
 
-** counsel
+*** counsel
 
 #+BEGIN_SRC emacs-lisp
 (use-package counsel
@@ -1626,7 +1628,7 @@ replacement for helm so far.
 #+END_SRC
 
 
-** smex
+*** smex
 
 Smex is my favourite way to use =M-x=.  Counsel’s =counsel-M-x=
 function uses it internally, so I’m keeping it around, even though I
@@ -1650,7 +1652,7 @@ don’t use it directly.
                                        "smex-items"))))
 #+END_SRC
 
-** cmd-to-echo
+*** cmd-to-echo
 
 I’ve been looking for some way to run programming projects (mostly
 node.js) inside emacs.  =cmd-to-echo= seems great for this, as new
@@ -1661,7 +1663,7 @@ output pops up in the echo area.
   :commands (cmd-to-echo)
   :config (setq cmd-to-echo-add-output-to-process-buffers t))
 #+END_SRC
-* Modes
+** Modes
 
 Setup some modes for systemd files
 #+BEGIN_SRC emacs-lisp
@@ -1730,7 +1732,7 @@ configuration files.
 (add-to-list 'auto-mode-alist '("\\.sls\\'" . saltstack-mode))
 #+END_SRC
 
-** ledger
+*** ledger
 
 I use [[http://ledger-cli.org/][=ledger=]] to manage my finances.  It has an Emacs mode, which
 works really nicely.
@@ -1770,7 +1772,7 @@ works really nicely.
                                    ("account" "ledger -f %(ledger-file) reg %(account)")))))
 #+END_SRC
 
-** Markdown
+*** Markdown
 
 #+BEGIN_SRC emacs-lisp
 (use-package markdown-mode
@@ -1779,7 +1781,17 @@ works really nicely.
             (add-hook 'markdown-mode-hook #'turn-on-auto-fill)))
 #+END_SRC
 
-** Org
+*** Lentic
+
+Multiple different views of the same file.  Can be used for a kind of
+inverse literate programming.
+
+#+BEGIN_SRC emacs-lisp
+(use-package lentic
+  :config (global-lentic-mode))
+#+END_SRC
+
+*** Org
 
 Org is wünderbar.
 
@@ -1839,7 +1851,7 @@ Org is wünderbar.
             (bind-key "C-x C-s" #'org-edit-src-exit org-src-mode-map)))
 #+END_SRC
 
-**** org-babel
+***** org-babel
 
 Org’s babel feature is really nice.  I use it for this file, and I can
 use it to communicate between programming languages.  Sometime I hope
@@ -1859,7 +1871,7 @@ with R or something.
                   org-src-preserve-indentation t)))
 #+END_SRC
 
-**** org-journal
+***** org-journal
 
 I can use this to keep a journal.  I should use it.
 
@@ -1885,8 +1897,8 @@ I can use this to keep a journal.  I should use it.
 #+END_SRC
 
 
-* Programming
-** flycheck
+** Programming
+*** flycheck
 
 On-the-fly error checking in programming modes?  Yes please.
 
@@ -1905,7 +1917,7 @@ On-the-fly error checking in programming modes?  Yes please.
                 (setq flycheck-javascript-eslint-executable "eslint_d"))))
 #+END_SRC
 
-*** flycheck-pos-tip
+**** flycheck-pos-tip
 
 Show flycheck errors in a little popup, so I don't lose my place
 
@@ -1917,7 +1929,7 @@ Show flycheck errors in a little popup, so I don't lose my place
             (flycheck-pos-tip-mode 1)))
 #+END_SRC
 
-*** flycheck-flow
+**** flycheck-flow
 
 #+BEGIN_SRC emacs-lisp
 (use-package flycheck-flow
@@ -1927,7 +1939,7 @@ Show flycheck errors in a little popup, so I don't lose my place
             (flycheck-add-next-checker 'javascript-eslint 'javascript-flow)))
 #+END_SRC
 
-** golang
+*** golang
 
 Go has a few packages to inter-operate with other emacs packages.
 
@@ -1954,7 +1966,7 @@ Go has a few packages to inter-operate with other emacs packages.
 
 #+END_SRC
 
-** ggtags
+*** ggtags
 
 A nice completion backend for programming modes.
 
@@ -1972,7 +1984,7 @@ A nice completion backend for programming modes.
           (add-hook 'c-mode-common-hook #'turn-on-ggtags-mode)))
 #+END_SRC
 
-** dumb-jump
+*** dumb-jump
 
 A "clever" way of implementing go-to-definition across languages: use
 a project-wide text search and apply heuristics to the results to
@@ -1987,7 +1999,7 @@ guess a definition.
   :config (setq dumb-jump-selector 'ivy))
 #+END_SRC
 
-** imenu-anywhere
+*** imenu-anywhere
 
 This is like imenu, but shows functions (or similar top-level
 entities) across buffers in the same project.  Neat!
@@ -1996,9 +2008,9 @@ entities) across buffers in the same project.  Neat!
 (use-package imenu-anywhere
   :bind ("C-x C-." . ivy-imenu-anywhere))
 #+END_SRC
-** Lisps
+*** Lisps
 
-*** All
+**** All
 
 Lisp modes don’t seem to have a common ancestor.  So I made a custom
 hook which I trigger in every lispy-mode.
@@ -2017,7 +2029,7 @@ hook which I trigger in every lispy-mode.
   (run-hooks 'lisp-mode-common-hook))
 #+END_SRC
 
-**** Redshank
+***** Redshank
 
 Lisp syntax allows for really easy refactoring.  Redshank gives some
 operations that aren’t part of paredit, like extracting variables into
@@ -2030,7 +2042,7 @@ let bindings.
             (add-hook 'lisp-mode-common-hook #'turn-on-redshank-mode)))
 #+END_SRC
 
-*** Emacs Lisp
+**** Emacs Lisp
 
 Customise the modeline-display of =emacs-lisp-mode=.  Then make sure
 it runs the common lisp hooks.
@@ -2060,7 +2072,7 @@ Interactive elisp
               (run-hooks 'lisp-mode-common-hook))))
 #+END_SRC
 
-*** Scheme & Lisp
+**** Scheme & Lisp
 
 I don’t work with these as often as I would like
 
@@ -2070,7 +2082,7 @@ I don’t work with these as often as I would like
        #'common-lisp-indent-function))
 #+END_SRC
 
-**** geiser
+***** geiser
 
 A REPL thing for Scheme.  Hopefully I’ll get to use it more in the
 future.
@@ -2083,7 +2095,7 @@ future.
              run-racket))
 #+END_SRC
 
-**** slime
+***** slime
 
 A REPL thing (and more) for Lisp.
 
@@ -2100,7 +2112,7 @@ A REPL thing (and more) for Lisp.
                                             (executable-find "ccl64")))))
 #+END_SRC
 
-*** Clojure
+**** Clojure
 
 #+BEGIN_SRC emacs-lisp
 (use-package clojure-mode
@@ -2119,7 +2131,7 @@ A REPL thing (and more) for Lisp.
             (clj-refactor-mode 1))))
 #+END_SRC
 
-**** cider
+***** cider
 
 A REPL thing for Clojure
 
@@ -2132,7 +2144,7 @@ A REPL thing for Clojure
             (add-hook 'cider-mode-hook #'eldoc-mode)))
 #+END_SRC
 
-** Auto-compile
+*** Auto-compile
 
 Auto-compile emacs lisp when saving.
 #+BEGIN_SRC emacs-lisp
@@ -2141,7 +2153,7 @@ Auto-compile emacs lisp when saving.
   :init (add-hook 'emacs-lisp-mode-hook #'auto-compile-on-save-mode))
 #+END_SRC
 
-** cc-mode
+*** cc-mode
 
 Although I don’t use C or C++, setting up the mode is helpful because
 quite a few other modes are derived from it.
@@ -2157,7 +2169,7 @@ quite a few other modes are derived from it.
             (c-set-offset 'case-label '+)))
 #+END_SRC
 
-** quickrun
+*** quickrun
 
 It’s nice to be able to quickly evaluate some code.  Although I don’t
 really seem to use it.
@@ -2166,7 +2178,7 @@ really seem to use it.
   :bind (("C-c C-e" . quickrun)))
 #+END_SRC
 
-** Scala
+*** Scala
 
 Let’s try using Scala.
 
@@ -2180,9 +2192,9 @@ And add ensime, an IDE-style environment.
 (use-package ensime)
 #+END_SRC
 
-** Web development
+*** Web development
 
-*** js2-mode
+**** js2-mode
 
 This mode is really great for editing Javascript.  It turns code into
 an AST internally, so it can work with it almost like a lisp.
@@ -2213,16 +2225,18 @@ an AST internally, so it can work with it almost like a lisp.
                   js2-strict-missing-semi-warning nil)))
 #+END_SRC
 
-**** rjsx-mode
+***** rjsx-mode
 
 A set of advice for js2-jsx-mode to work better with React.
 
 #+BEGIN_SRC emacs-lisp
 (use-package rjsx-mode
+  :after js2-mode
+  :if (fboundp #'js2--struct-put)
   :mode (("\\.jsx\\'" . rjsx-mode)))
 #+END_SRC
 
-**** js2-refactor
+***** js2-refactor
 
 Thanks to the AST provided by js2-mode, refactoring is possible.  This
 library implements some refactorings.
@@ -2236,7 +2250,7 @@ library implements some refactorings.
             (js2r-add-keybindings-with-prefix "C-c C-m")))
 #+END_SRC
 
-**** add-node-modules-path
+***** add-node-modules-path
 
 Inside a javascript project, it's common to install tools locally to
 the project.  This will allows emacs to find their executables.
@@ -2247,7 +2261,7 @@ the project.  This will allows emacs to find their executables.
             (add-hook 'js2-mode-hook #'add-node-modules-path)))
 #+END_SRC
 
-**** Flow
+***** Flow
 
 #+BEGIN_SRC emacs-lisp
 (use-package flow-minor-mode
@@ -2256,7 +2270,7 @@ the project.  This will allows emacs to find their executables.
             (add-hook 'js2-mode-hook #'flow-minor-enable-automatically)))
 #+END_SRC
 
-**** Indium
+***** Indium
 
 Javascript with an inferior node.js process and a debugger?  Awesome.
 
@@ -2281,7 +2295,7 @@ Instead, do this:
             (add-hook 'js2-mode-hook #'indium-interaction-mode)))
 #+END_SRC
 
-*** coffee-mode
+**** coffee-mode
 
 #+BEGIN_SRC emacs-lisp
 (use-package coffee-mode
@@ -2290,7 +2304,7 @@ Instead, do this:
             (setq coffee-indent-like-python-mode t)))
 #+END_SRC
 
-*** tern
+**** tern
 
 Tern understands javascript.  It adds really clever documented
 completions, besides other IDE-like things.
@@ -2311,7 +2325,7 @@ completions, besides other IDE-like things.
   (use-package company-tern))
 #+END_SRC
 
-*** json-mode
+**** json-mode
 
 #+BEGIN_SRC emacs-lisp
 (use-package json-mode
@@ -2321,7 +2335,7 @@ completions, besides other IDE-like things.
          ("\\.tern-project\\'" . json-mode)))
 #+END_SRC
 
-*** restclient
+**** restclient
 
 Restclient is really nice.  It’s like a scratchpad for HTTP api
 calls.  Feels a bit like using =org-babel=.  I wonder if there’s an
@@ -2342,7 +2356,7 @@ integration between the two yet.
   :init (add-to-list 'company-backends #'company-restclient t))
 #+END_SRC
 
-*** sgml-mode
+**** sgml-mode
 
 This is for HTML, since old versions of HTML were derived from SGML.
 #+BEGIN_SRC emacs-lisp
@@ -2351,7 +2365,7 @@ This is for HTML, since old versions of HTML were derived from SGML.
   :config (setq sgml-basic-offset 2))
 #+END_SRC
 
-*** emmet-mode
+**** emmet-mode
 
 Emmet is really nice to write HTML quickly.  Especially with
 frameworks that require multiple nested elements to do anything useful.
@@ -2367,7 +2381,7 @@ frameworks that require multiple nested elements to do anything useful.
           (add-hook 'css-mode-hook #'emmet-mode)))
 #+END_SRC
 
-*** web-mode
+**** web-mode
 
 This mode handles just about every templating language out ther, which
 is really nice, because it handles the HTML part the same way in all
@@ -2399,7 +2413,7 @@ I derived a mode for twig, in order to use its =mode-hook=.
 (add-to-list 'auto-mode-alist '("\\.html\\.twig\\'" . twig-mode))
 #+END_SRC
 
-** Live coding
+*** Live coding
 
 Sometimes I might want to show off my emacs usage.
 
@@ -2415,7 +2429,7 @@ Sometimes I might want to show off my emacs usage.
   (global-command-log-mode -1))
 #+END_SRC
 
-*** command-log-mode
+**** command-log-mode
 
 #+BEGIN_SRC emacs-lisp
 (use-package command-log-mode
@@ -2426,7 +2440,7 @@ Sometimes I might want to show off my emacs usage.
                 command-log-mode-is-global t)))
 #+END_SRC
 
-* Spelling
+** Spelling
 
 #+BEGIN_SRC emacs-lisp
 (use-package ispell
@@ -2490,7 +2504,7 @@ Sometimes I might want to show off my emacs usage.
             (add-hook 'prog-mode-hook #'flyspell-prog-mode)))
 #+END_SRC
 
-** Style checking
+*** Style checking
 
 [[https://github.com/ValeLint/vale][Vale]] is a linter, but for prose.  Neat idea!  Salesman is a bad term.
 
@@ -2503,7 +2517,7 @@ Sometimes I might want to show off my emacs usage.
             (flycheck-vale-setup)))
 #+END_SRC
 
-* Scripting
+** Scripting
 
 Make a shell-script buffer executable after saving it, if it has a shebang.
 
@@ -2524,7 +2538,7 @@ Make a shell-script buffer executable after saving it, if it has a shebang.
 (add-hook 'shell-mode-hook 'ansi-color-for-comint-mode-on)
 #+END_SRC
 
-** eshell
+*** eshell
 
 I should try to get into the habit of using this more.  It’s really
 nice, when I remember to use it.
@@ -2564,7 +2578,7 @@ nice, when I remember to use it.
 
 #+END_SRC
 
-*** Shells
+**** Shells
 
 #+BEGIN_SRC emacs-lisp
 (use-package shell
@@ -2585,7 +2599,7 @@ nice, when I remember to use it.
     (comint-delchar-or-maybe-eof arg)))
 #+END_SRC
 
-* Text editing
+** Text editing
 
 Emacs has an editor within.
 
@@ -2597,7 +2611,7 @@ Emacs has an editor within.
 (setq-default truncate-lines t)
 #+END_SRC
 
-** align
+*** align
 
 =Align= is a useful command to line things up, once given some rules.
 The most important one for me is JSON property alignment.
@@ -2613,7 +2627,7 @@ The most important one for me is JSON property alignment.
                            (modes  . '(js2-mode))))))
 #+END_SRC
 
-** Clipboard
+*** Clipboard
 
 I like to use the clipboard more than the primary selection in X11.
 
@@ -2626,7 +2640,7 @@ I like to use the clipboard more than the primary selection in X11.
   (setq x-select-request-type '(UTF8_STRING COMPOUND_TEXT TEXT STRING)))
 #+END_SRC
 
-** Selection
+*** Selection
 
 I’m quite used to deleting text by selecting it and typing.  Emacs has
 a mode for that.
@@ -2663,7 +2677,7 @@ from Sublime Text.  As always, there’s a mode for that.
   :config (setq expand-region-fast-keys-enabled nil))
 #+END_SRC
 
-** avy
+*** avy
 
 Avy is a really nice way to move around files, like ace-jump-mode, but
 somehow I prefer it.
@@ -2682,7 +2696,7 @@ somehow I prefer it.
                   avy-keys '(?a ?r ?s ?t ?d ?h ?n ?e ?i ?\;))))
 #+END_SRC
 
-*** ace-link
+**** ace-link
 
 Visit any link.  Despite the name, this works with avy.
 
@@ -2696,7 +2710,7 @@ Visit any link.  Despite the name, this works with avy.
               (bind-key "M-o" #'ace-link-gnus gnus-article-mode-map))))
 #+END_SRC
 
-** goto-chg
+*** goto-chg
 
 This is like popping the mark, only it filters to only change areas
 and doesn’t go back to the same place more than once.
@@ -2706,7 +2720,7 @@ and doesn’t go back to the same place more than once.
   :bind ("C-c C-SPC" . goto-last-change))
 #+END_SRC
 
-** beginend
+*** beginend
 
 In special buffers, I would rather have =M->= and =M-<= goto the
 logical beginning/end rather than the physical ones.
@@ -2717,7 +2731,7 @@ logical beginning/end rather than the physical ones.
             (beginend-setup-all)))
 #+END_SRC
 
-** multiple-cursors
+*** multiple-cursors
 
 I mentioned before that I’d used Sublime Text before.  Multiple
 cursors was one of my favourite features, so I was really happy when I
@@ -2733,7 +2747,7 @@ saw that multiple-cursors was released for Emacs.
           ("C-S-L" . mc/edit-lines)))
 #+END_SRC
 
-** paredit
+*** paredit
 
 Balanced parentheses in lisps are nice, but all the refactoring and
 movement commands are much more interesting.
@@ -2748,7 +2762,7 @@ movement commands are much more interesting.
             (add-hook 'eval-expression-minibuffer-setup-hook #'enable-paredit-mode)))
 #+END_SRC
 
-** smartparens
+*** smartparens
 
 I like to use smartparens where paredit isn’t already useful.  Somehow
 I didn’t find smartparens’ implementation of paredit style to be as
@@ -2785,7 +2799,7 @@ nice as the real version
 #+END_SRC
 
 
-** move-text
+*** move-text
 
 Transposing lines, made easier.
 
@@ -2794,7 +2808,7 @@ Transposing lines, made easier.
   :config (move-text-default-bindings))
 #+END_SRC
 
-** undo-tree
+*** undo-tree
 
 Emacs’ default handling of undo is a bit confusing.  Undo-tree makes
 it much clearer.  It’s especially helpful for protoyping and refactoring.
@@ -2817,14 +2831,14 @@ it much clearer.  It’s especially helpful for protoyping and refactoring.
   :diminish undo-tree-mode)
 #+END_SRC
 
-** replace
+*** replace
 
 #+BEGIN_SRC emacs-lisp
 (with-eval-after-load "replace.el"
   (setq case-replace nil))
 #+END_SRC
 
-** visual-regexp
+*** visual-regexp
 
 I don’t always remember exactly how Emacs’ regular expressions work,
 so this package is pretty useful because it highlights everything in
@@ -2836,61 +2850,8 @@ the buffer for me.
          ("C-c q" . vr/query-replace)
          ("C-c m" . vc/mc-mark)))
 #+END_SRC
-* Tangling
-
-Taken from [[https://github.com/larstvei/dot-emacs/blob/master/init.org][larstvei/dot-emacs]].  I changed it so that it would work with
-my current dotfiles repository structure and work asynchronously,
-thanks to [[https://github.com/jwiegley/emacs-async][jwiegley/emacs-async]].
-
-We can use =C-c C-v t= to run =org-babel-tangle=, which extracts the
-code blocks from the current file into a source-specific file (in this
-case a =.el=-file).
 
-To avoid doing this each time a change is made we can add a function
-to the =after-save-hook= ensuring to always tangle and byte-compile
-the =org=-document after changes.
-
-#+BEGIN_SRC emacs-lisp
-(use-package async
-  :commands (async-start)
-  :defer 2)
-
-(defun tangle-if-init ()
-  "If the current buffer is 'init.org' the code-blocks are
-    tangled, and the tangled file is compiled."
-
-  (when (string-suffix-p "init.org" (buffer-file-name))
-    (tangle-init)))
-
-(defun tangle-init-sync ()
-  (interactive)
-  (message "Tangling init")
-  ;; Avoid running hooks when tangling.
-  (let ((prog-mode-hook nil)
-        (src  (expand-file-name "init.org" user-emacs-directory))
-        (dest (expand-file-name "init.el"  user-emacs-directory)))
-    (require 'ob-tangle)
-    (org-babel-tangle-file src dest)
-    (if (byte-compile-file dest)
-        (byte-compile-dest-file dest)
-      (with-current-buffer byte-compile-log-buffer
-        (buffer-string)))))
-
-(defun tangle-init ()
-  "Tangle init.org asynchronously."
-
-  (interactive)
-  (message "Tangling init")
-  (async-start
-   (symbol-function #'tangle-init-sync)
-   (lambda (result)
-     (message "Init tangling completed: %s" result))))
-#+END_SRC
-
-# Local Variables:
-# eval: (when (fboundp #'tangle-if-init) (add-hook 'after-save-hook #'tangle-if-init))
-# End:
-* End
+** End
 
 Start a server if possible.  A daemon is already a server.
 #+BEGIN_SRC emacs-lisp
@@ -2902,3 +2863,7 @@ Start a server if possible.  A daemon is already a server.
 (setq gc-cons-threshold 800000
       file-name-handler-alist file-name-handler-alist-backup)
 #+END_SRC
+
+Local Variables:
+lentic-init: lentic-orgel-org-init
+End: