emacs: divide init.el up into sections and add commentary

1 files changed, 383 insertions, 52 deletions

diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index c7eac7e..8c1ff78 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -18,18 +18,34 @@
 ;;; Commentary:
 
 ;; Emacs configuration of Amin Bandali, computer scientist, functional
-;; programmer, and free software advocate.
-
-;; THIS FILE IS AUTO-GENERATED FROM `init.org'.
+;; programmer, and free software advocate.  Uses straight.el for
+;; purely functional and fully reproducible package management.
+
+;; Over the years, I've taken inspiration from configurations of many
+;; great people.  Some that I can remember off the top of my head are:
+;;
+;; - https://github.com/dieggsy/dotfiles
+;; - https://github.com/dakra/dmacs
+;; - http://pages.sachachua.com/.emacs.d/Sacha.html
+;; - https://github.com/dakrone/eos
+;; - http://doc.rix.si/cce/cce.html
+;; - https://github.com/jwiegley/dot-emacs
+;; - https://github.com/wasamasa/dotemacs
+;; - https://github.com/hlissner/doom-emacs
 
 ;;; Code:
 
+;;; Emacs initialization
+
 (defvar a/before-user-init-time (current-time)
   "Value of `current-time' when Emacs begins loading `user-init-file'.")
 (message "Loading Emacs...done (%.3fs)"
          (float-time (time-subtract a/before-user-init-time
                                     before-init-time)))
 
+;; temporarily increase `gc-cons-threshhold' and `gc-cons-percentage'
+;; during startup to reduce garbage collection frequency.  clearing
+;; `file-name-handler-alist' seems to help reduce startup time too.
 (defvar a/gc-cons-threshold gc-cons-threshold)
 (defvar a/gc-cons-percentage gc-cons-percentage)
 (defvar a/file-name-handler-alist file-name-handler-alist)
@@ -39,6 +55,7 @@
       ;; sidesteps a bug when profiling with esup
       esup-child-profile-require-level 0)
 
+;; set them back to their defaults once we're done initializing
 (add-hook
  'after-init-hook
  (lambda ()
@@ -46,14 +63,46 @@
          gc-cons-percentage a/gc-cons-percentage
          file-name-handler-alist a/file-name-handler-alist)))
 
+;; increase number of lines kept in *Messages* log
 (setq message-log-max 20000)
 
+;; optionally, uncomment to supress some byte-compiler warnings
+;;   (see C-h v byte-compile-warnings RET for more info)
 ;; (setq byte-compile-warnings
 ;;       '(not free-vars unresolved noruntime lexical make-local))
 
+
+;;; whoami
+
 (setq user-full-name "Amin Bandali"
       user-mail-address "amin@bndl.org")
 
+
+;;; comment macro
+
+;; useful for commenting out multiple sexps at a time
+(defmacro comment (&rest _)
+  "Comment out one or more s-expressions."
+  (declare (indent defun))
+  nil)
+
+
+;;; Package management
+
+;; No package.el  (for emacs 26 and before, uncomment the following)
+;; Not necessary when using straight.el
+;;   (C-h v straight-package-neutering-mode RET)
+
+(comment
+  (setq package-enable-at-startup nil)
+  ;; (package-initialize)
+  )
+
+;; for emacs 27 and later, we use early-init.el.  see
+;; https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=24acb31c04b4048b85311d794e600ecd7ce60d3b
+
+;; straight.el
+
 ;; Main engine start...
 
 (setq straight-repository-branch "develop"
@@ -99,6 +148,7 @@
     (straight-mark-transaction-as-init)
     (load user-init-file)))
 
+;; use-package
 (straight-use-package 'use-package)
 (if nil                             ; set to t when need to debug init
     (progn
@@ -113,12 +163,24 @@
 (setq use-package-always-defer t)
 (require 'bind-key)
 
-;; comment macro, useful for commenting out multiple sexps at a time
-(defmacro comment (&rest _)
-  "Comment out one or more s-expressions."
-  (declare (indent defun))
-  nil)
-
+;; for browsing the Emacsmirror package database
+(comment
+  (use-package epkg
+    :commands (epkg-list-packages epkg-describe-package)
+    :bind
+    (("C-c p e d" . epkg-describe-package)
+     ("C-c p e p" . epkg-list-packages))
+    :config
+    (setq epkg-repository "~/.emacs.d/straight/repos/epkgs/")
+    (eval-when-compile (defvar ivy-initial-inputs-alist))
+    (with-eval-after-load 'ivy
+      (add-to-list
+       'ivy-initial-inputs-alist '(epkg-describe-package . "^") t))))
+
+
+;;; Initial setup
+
+;; keep ~/.emacs.d clean
 (use-package no-littering
   :demand t
   :config
@@ -128,17 +190,21 @@
   (setq auto-save-file-name-transforms
         `((".*" ,(no-littering-expand-var-file-name "auto-save/") t))))
 
+;; separate custom file (don't want it mixing with init.el)
 (use-feature custom
   :no-require t
   :config
   (setq custom-file (no-littering-expand-etc-file-name "custom.el"))
   (when (file-exists-p custom-file)
     (load custom-file))
+  ;; while at it, treat themes as safe
   (setf custom-safe-themes t))
 
+;; load the secrets file if it exists, otherwise show a warning
 (with-demoted-errors
     (load (no-littering-expand-etc-file-name "secrets")))
 
+;; better $PATH (and other environment variable) handling
 (use-package exec-path-from-shell
   :defer 0.4
   :init
@@ -150,18 +216,65 @@
   (exec-path-from-shell-copy-env "SSH_AGENT_PID")
   (exec-path-from-shell-copy-env "SSH_AUTH_SOCK"))
 
+
+;; only one custom theme at a time
+(comment
+  (defadvice load-theme (before clear-previous-themes activate)
+    "Clear existing theme settings instead of layering them"
+    (mapc #'disable-theme custom-enabled-themes)))
+
+;; start up emacs server.  see
+;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Emacs-Server.html#Emacs-Server
 (use-feature server
   :defer 0.4
   :config (or (server-running-p) (server-mode)))
 
+;; unicode support
+(comment
+  (dolist (ft (fontset-list))
+    (set-fontset-font
+     ft
+     'unicode
+     (font-spec :name "Source Code Pro" :size 14))
+    (set-fontset-font
+     ft
+     'unicode
+     (font-spec :name "DejaVu Sans Mono")
+     nil
+     'append)
+    ;; (set-fontset-font
+    ;;  ft
+    ;;  'unicode
+    ;;  (font-spec
+    ;;   :name "Symbola monospacified for DejaVu Sans Mono")
+    ;;  nil
+    ;;  'append)
+    ;; (set-fontset-font
+    ;;  ft
+    ;;  #x2115  ; ℕ
+    ;;  (font-spec :name "DejaVu Sans Mono")
+    ;;  nil
+    ;;  'append)
+    (set-fontset-font
+     ft
+     (cons ?Α ?ω)
+     (font-spec :name "DejaVu Sans Mono" :size 14)
+     nil
+     'prepend)))
+
+;; gentler font resizing
 (setq text-scale-mode-step 1.05)
 
+;; focus follows mouse
 (setq mouse-autoselect-window t)
 
 (defun a/no-mouse-autoselect-window ()
+  "Conveniently disable `focus-follows-mouse'.
+For disabling the behaviour for certain buffers and/or modes."
   (make-local-variable 'mouse-autoselect-window)
   (setq mouse-autoselect-window nil))
 
+;; better scrolling
 (setq ;; scroll-margin 1
       ;; scroll-conservatively 10000
       scroll-step 1
@@ -179,11 +292,16 @@
   :defer 0.4
   :config (pixel-scroll-mode 1))
 
+;; ask for GPG passphrase in minibuffer
 (setq epg-pinentry-mode 'loopback)
 
+;; useful libraries
 (require 'cl-lib)
 (require 'subr-x)
 
+
+;;; Useful utilities
+
 (defmacro a/setq-every (value &rest vars)
   "Set all the variables from VARS to value VALUE."
   (declare (indent defun) (debug t))
@@ -205,51 +323,93 @@
          program
          (remove nil (list args (dired-get-file-for-visit)))))
 
+(defun a/add-elisp-section ()
+  (interactive)
+  (insert "\n")
+  (previous-line)
+  (insert "\n\n;;; "))
+
+
+;;; Defaults
+
+;; time and battery in mode-line
+(comment
+  (use-package time
+    :init
+    (setq display-time-default-load-average nil)
+    :config
+    (display-time-mode))
+
+  (use-package battery
+    :config
+    (display-battery-mode)))
+
+;; smaller fringe
 ;; (fringe-mode '(3 . 1))
 (fringe-mode nil)
 
+;; disable disabled commands
 (setq disabled-command-function nil)
 
+;; Save what I copy into clipboard from other applications into Emacs'
+;; kill-ring, which would allow me to still be able to easily access
+;; it in case I kill (cut or copy) something else inside Emacs before
+;; yanking (pasting) what I'd originally intended to.
 (setq save-interprogram-paste-before-kill t)
 
+;; minibuffer
 (setq enable-recursive-minibuffers t
       resize-mini-windows t)
 
+;; lazy-person-friendly yes/no prompts
 (defalias 'yes-or-no-p #'y-or-n-p)
 
+;; i want *scratch* as my startup buffer
 (setq initial-buffer-choice t)
 
+;; i don't need the default hint
 (setq initial-scratch-message nil)
 
+;; use customizable text-mode as major mode for *scratch*
 (setq initial-major-mode 'text-mode)
 
+;; inhibit buffer list when more than 2 files are loaded
 (setq inhibit-startup-buffer-menu t)
 
+;; don't need to see the startup screen or the echo area message
 (advice-add #'display-startup-echo-area-message :override #'ignore)
 (setq inhibit-startup-screen t
       inhibit-startup-echo-area-message user-login-name)
 
+;; more useful frame titles
 (setq frame-title-format
       '("" invocation-name " - "
         (:eval (if (buffer-file-name)
                    (abbreviate-file-name (buffer-file-name))
                  "%b"))))
 
+;; backups (C-h v make-backup-files RET)
 (setq backup-by-copying t
       version-control t
       delete-old-versions t)
 
+;; enable automatic reloading of changed buffers and files
 (global-auto-revert-mode 1)
 (setq auto-revert-verbose nil
       global-auto-revert-non-file-buffers nil)
 
+;; always use space for indentation
 (setq-default
  indent-tabs-mode nil
  require-final-newline t
  tab-width 4)
 
+;; enable winner-mode (C-h f winner-mode RET)
 (winner-mode 1)
 
+;; don't display *compilation* buffer on success.  based on
+;; https://stackoverflow.com/a/17788551, with changes to use `cl-letf'
+;; instead of the now obsolete `flet'.
 (with-eval-after-load 'compile
   (defun a/compilation-finish-function (buffer outstr)
     (unless (string-match "finished" outstr)
@@ -269,15 +429,23 @@
       ad-do-it))
   (ad-activate 'compilation-start))
 
+;; search for non-ASCII characters: i’d like non-ASCII characters such
+;; as ‘’“”«»‹›áⓐ𝒶 to be selected when i search for their ASCII
+;; counterpart.  shoutout to
+;; http://endlessparentheses.com/new-in-emacs-25-1-easily-search-non-ascii-characters.html
 (setq search-default-mode #'char-fold-to-regexp)
-
 ;; uncomment to extend this behaviour to query-replace
 ;; (setq replace-char-fold t)
 
+;; cursor shape
 (setq-default cursor-type 'bar)
 
+;; allow scrolling in Isearch
 (setq isearch-allow-scroll t)
 
+
+;;; General bindings
+
 (bind-keys
  ("C-c a i" . ielm)
 
@@ -300,7 +468,10 @@
  ("C-x K"   . kill-buffer)
 
  ("s-p"     . beginning-of-buffer)
- ("s-n"     . end-of-buffer))
+ ("s-n"     . end-of-buffer)
+
+ :map emacs-lisp-mode-map
+ ("<C-return>" . a/add-elisp-section))
 
 (when (display-graphic-p)
   (unbind-key "C-z" global-map))
@@ -331,6 +502,9 @@
  ("p P" . straight-push-package)
  ("p r" . straight-rebuild-package))
 
+
+;;; Essential packages
+
 (use-package auto-compile
   :demand t
   :config
@@ -344,6 +518,7 @@
   (add-hook 'auto-compile-inhibit-compile-hook
             'auto-compile-inhibit-compile-detached-git-head))
 
+;; use the org-plus-contrib package to get the whole deal
 (straight-use-package 'org-plus-contrib)
 
 (use-feature org
@@ -397,6 +572,9 @@
   :config
   (ox-extras-activate '(latex-header-blocks ignore-headlines)))
 
+;; asynchronous tangle, using emacs-async to asynchronously tangle an
+;; org file.  closely inspired by
+;; https://github.com/dieggsy/dotfiles/tree/cc10edf7701958eff1cd94d4081da544d882a28c/emacs.d#dotfiles
 (with-eval-after-load 'org
   (defvar a/show-async-tangle-results nil
     "Keep *emacs* async buffers around for later inspection.")
@@ -432,6 +610,7 @@
  'safe-local-variable-values
  '(eval add-hook 'after-save-hook #'a/async-babel-tangle 'append 'local))
 
+;; *the* right way to do git
 (use-package magit
   :defer 0.5
   :bind (("C-x g" . magit-status)
@@ -449,12 +628,14 @@
            ([unpushed status] . show)))
   :custom-face (magit-diff-file-heading ((t (:weight normal)))))
 
+;; recently opened files
 (use-feature recentf
   :defer 0.2
   :config
   (add-to-list 'recentf-exclude "^/\\(?:ssh\\|su\\|sudo\\)?:")
   (setq recentf-max-saved-items 40))
 
+;; smart M-x enhancement (needed by counsel for history)
 (use-package smex)
 
 (use-package ivy
@@ -497,6 +678,23 @@
   (counsel-mode 1)
   (defalias 'locate #'counsel-locate))
 
+(comment
+  (use-package helm
+    :commands (helm-M-x helm-mini helm-resume)
+    :bind (("M-x"     . helm-M-x)
+           ("M-y"     . helm-show-kill-ring)
+           ("C-x b"   . helm-mini)
+           ("C-x C-b" . helm-buffers-list)
+           ("C-x C-f" . helm-find-files)
+           ("C-h r"   . helm-info-emacs)
+           ("s-r"     . helm-recentf)
+           ("C-s-r"   . helm-resume)
+           :map helm-map
+           ("<tab>" . helm-execute-persistent-action)
+           ("C-i"   . helm-execute-persistent-action) ; Make TAB work in terminals
+           ("C-z"   . helm-select-action))            ; List actions
+    :config (helm-mode 1)))
+
 (use-feature eshell
   :defer 0.5
   :commands eshell
@@ -680,16 +878,22 @@
   :bind (:map doc-view-mode-map
               ("M-RET" . image-previous-line)))
 
+
+;;; Editing
+
+;; highlight uncommitted changes in the left fringe
 (use-package diff-hl
   :config
   (setq diff-hl-draw-borders nil)
   (global-diff-hl-mode)
   :hook (magit-post-refresh . diff-hl-magit-post-refresh))
 
+;; display Lisp objects at point in the echo area
 (use-feature eldoc
   :when (version< "25" emacs-version)
   :config (global-eldoc-mode))
 
+;; highlight matching parens
 (use-feature paren
   :demand
   :config (show-paren-mode))
@@ -697,9 +901,11 @@
 (use-feature simple
   :config (column-number-mode))
 
+;; save minibuffer history
 (use-feature savehist
   :config (savehist-mode))
 
+;; automatically save place in files
 (use-feature saveplace
   :when (version< "25" emacs-version)
   :config (save-place-mode))
@@ -769,6 +975,9 @@
   (advice-add #'ispell-parse-output :filter-args
               #'endless/replace-quote))
 
+
+;;; Programming modes
+
 (use-feature lisp-mode
   :config
   (add-hook 'emacs-lisp-mode-hook 'outline-minor-mode)
@@ -782,7 +991,7 @@
   :mode "\\.als\\'"
   :config (setq alloy-basic-offset 2))
 
-(use-package proof-site  ; Proof General
+(use-package proof-site                 ; for Coq
   :straight proof-general)
 
 (eval-when-compile (defvar lean-mode-map))
@@ -820,6 +1029,7 @@
 
 (use-package flycheck-haskell
   :after haskell-mode)
+;; alternative: hs-lint https://github.com/ndmitchell/hlint/blob/20e116a043f2073c57b17b24ae6364b5e433ba7e/data/hs-lint.el
 
 (use-package sgml-mode
   :config
@@ -846,6 +1056,78 @@
   (setq emmet-move-cursor-between-quotes t)
   :hook (web-mode css-mode html-mode sgml-mode))
 
+(comment
+  (use-package meghanada
+    :bind
+    (:map meghanada-mode-map
+          (("C-M-o" . meghanada-optimize-import)
+           ("C-M-t" . meghanada-import-all)))
+    :hook (java-mode . meghanada-mode)))
+
+(comment
+  (use-package treemacs
+    :config (setq treemacs-never-persist t))
+
+  (use-package yasnippet
+    :config
+    ;; (yas-global-mode)
+    )
+
+  (use-package lsp-mode
+    :init (setq lsp-eldoc-render-all nil
+                lsp-highlight-symbol-at-point nil)
+    )
+
+  (use-package hydra)
+
+  (use-package company-lsp
+    :after company
+    :config
+    (setq company-lsp-cache-candidates t
+          company-lsp-async t))
+
+  (use-package lsp-ui
+    :config
+    (setq lsp-ui-sideline-update-mode 'point))
+
+  (use-package lsp-java
+    :config
+    (add-hook 'java-mode-hook
+	          (lambda ()
+	            (setq-local company-backends (list 'company-lsp))))
+
+    (add-hook 'java-mode-hook 'lsp-java-enable)
+    (add-hook 'java-mode-hook 'flycheck-mode)
+    (add-hook 'java-mode-hook 'company-mode)
+    (add-hook 'java-mode-hook 'lsp-ui-mode))
+
+  (use-package dap-mode
+    :after lsp-mode
+    :config
+    (dap-mode t)
+    (dap-ui-mode t))
+
+  (use-package dap-java
+    :after (lsp-java))
+
+  (use-package lsp-java-treemacs
+    :after (treemacs)))
+
+(comment
+  (use-package eclim
+    :bind (:map eclim-mode-map ("S-SPC" . company-complete))
+    :hook ((java-mode . eclim-mode)
+           (eclim-mode . (lambda ()
+                           (make-local-variable 'company-idle-delay)
+                           (defvar company-idle-delay)
+                           ;; (setq company-idle-delay 0.7)
+                           (setq company-idle-delay nil))))
+    :custom
+    (eclim-auto-save nil)
+    ;; (eclimd-default-workspace "~/src/eclipse-workspace-exp")
+    (eclim-executable "~/.p2/pool/plugins/org.eclim_2.8.0/bin/eclim")
+    (eclim-eclipse-dirs '("~/usr/eclipse/dsl-2018-09/eclipse"))))
+
 (use-package geiser)
 
 (use-feature geiser-guile
@@ -854,6 +1136,56 @@
 
 (use-package guix)
 
+(comment
+  (use-package auctex
+    :custom
+    (font-latex-fontify-sectioning 'color)))
+
+
+;;; Theme
+
+(add-to-list 'custom-theme-load-path "~/.emacs.d/lisp")
+(load-theme 'tangomod t)
+
+(use-package smart-mode-line
+  :commands (sml/apply-theme)
+  :demand
+  :config
+  (sml/setup))
+
+(use-package doom-themes)
+
+(defvar a/org-mode-font-lock-keywords
+  '(("[ \t]*\\(#\\+\\(BEGIN\\|END\\|begin\\|end\\)_\\(\\S-+\\)\\)[ \t]*\\([^\n:]*\\)"
+      (1 '(:foreground "#5a5b5a" :background "#292b2b") t) ; directive
+      (3 '(:foreground "#81a2be" :background "#292b2b") t) ; kind
+      (4 '(:foreground "#c5c8c6") t))))                    ; title
+
+(defun a/lights-on ()
+  "Enable my favourite light theme."
+  (interactive)
+  (mapc #'disable-theme custom-enabled-themes)
+  (load-theme 'tangomod t)
+  (sml/apply-theme 'automatic)
+  (font-lock-remove-keywords
+   'org-mode a/org-mode-font-lock-keywords))
+
+(defun a/lights-off ()
+  "Go dark."
+  (interactive)
+  (mapc #'disable-theme custom-enabled-themes)
+  (load-theme 'doom-tomorrow-night t)
+  (sml/apply-theme 'automatic)
+  (font-lock-add-keywords
+   'org-mode a/org-mode-font-lock-keywords t))
+
+(bind-keys
+ ("s-t d" . a/lights-off)
+ ("s-t l" . a/lights-on))
+
+
+;;; Emacs enhancements & auxiliary packages
+
 (use-feature man
   :config (setq Man-width 80))
 
@@ -914,46 +1246,7 @@
   (which-key-add-column-padding 5)
   (which-key-max-description-length 32))
 
-(add-to-list 'custom-theme-load-path "~/.emacs.d/lisp")
-(load-theme 'tangomod t)
-
-(use-package smart-mode-line
-  :commands (sml/apply-theme)
-  :demand
-  :config
-  (sml/setup))
-
-(use-package doom-themes)
-
-(defvar a/org-mode-font-lock-keywords
-  '(("[ \t]*\\(#\\+\\(BEGIN\\|END\\|begin\\|end\\)_\\(\\S-+\\)\\)[ \t]*\\([^\n:]*\\)"
-      (1 '(:foreground "#5a5b5a" :background "#292b2b") t) ; directive
-      (3 '(:foreground "#81a2be" :background "#292b2b") t) ; kind
-      (4 '(:foreground "#c5c8c6") t))))                    ; title
-
-(defun a/lights-on ()
-  "Enable my favourite light theme."
-  (interactive)
-  (mapc #'disable-theme custom-enabled-themes)
-  (load-theme 'tangomod t)
-  (sml/apply-theme 'automatic)
-  (font-lock-remove-keywords
-   'org-mode a/org-mode-font-lock-keywords))
-
-(defun a/lights-off ()
-  "Go dark."
-  (interactive)
-  (mapc #'disable-theme custom-enabled-themes)
-  (load-theme 'doom-tomorrow-night t)
-  (sml/apply-theme 'automatic)
-  (font-lock-add-keywords
-   'org-mode a/org-mode-font-lock-keywords t))
-
-(bind-keys
- ("s-t d" . a/lights-off)
- ("s-t l" . a/lights-on))
-
-(use-package crux                       ; results in Waiting for git... [2 times]
+(use-package crux            ; results in Waiting for git... [2 times]
   :defer 0.4
   :bind (("C-c b k" . crux-kill-other-buffers)
          ("C-c d"   . crux-duplicate-current-line-or-region)
@@ -1003,6 +1296,9 @@
   :custom
   (unkillable-buffers '("^\\*scratch\\*$" "^\\*Messages\\*$")))
 
+;; ,----
+;; | make pretty boxed quotes like this
+;; `----
 (use-package boxquote
   :defer 0.6
   :bind
@@ -1030,16 +1326,19 @@
    ("M-w" . boxquote-kill-ring-save)))
 
 (use-package orgalist
+  ;; http://lists.gnu.org/archive/html/emacs-orgmode/2019-04/msg00007.html
   :disabled t
   :after message
   :hook (message-mode . orgalist-mode))
 
+;; easily type pretty quotes & other typography, like ‘’“”-–—«»‹›
 (use-package typo
   :defer 0.5
   :config
   (typo-global-mode 1)
   :hook (text-mode . typo-mode))
 
+;; highlight TODOs in buffers
 (use-package hl-todo
   :defer 0.5
   :config
@@ -1097,6 +1396,7 @@
         '("C-z" "C-x" "C-c" "C-h" "C-y" "<ESC>")))
 
 (use-package page-break-lines
+  :defer 0.5
   :config
   (global-page-break-lines-mode))
 
@@ -1143,6 +1443,7 @@
    org-ref-bibliography-notes "~/usr/org/notes.org"
    org-ref-pdf-directory "~/usr/org/bibtex-pdfs/"))
 
+;; ugh, temporary (still better than using the proprietary web app)
 (use-package slack
   :commands (slack-start)
   :init
@@ -1192,6 +1493,9 @@
   :init
   (setq alert-default-style 'notifier))
 
+
+;;; Email (with Gnus)
+
 (defvar a/maildir (expand-file-name "~/mail/"))
 (with-eval-after-load 'recentf
   (add-to-list 'recentf-exclude a/maildir))
@@ -1518,6 +1822,30 @@
 
 (use-package message-x)
 
+(comment
+  (use-package message-x
+    :custom
+    (message-x-completion-alist
+     (quote
+      (("\\([rR]esent-\\|[rR]eply-\\)?[tT]o:\\|[bB]?[cC][cC]:" . gnus-harvest-find-address)
+       ((if
+            (boundp
+             (quote message-newgroups-header-regexp))
+            message-newgroups-header-regexp message-newsgroups-header-regexp)
+        . message-expand-group))))))
+
+(comment
+  (use-package gnus-harvest
+    :commands gnus-harvest-install
+    :demand t
+    :config
+    (if (featurep 'message-x)
+        (gnus-harvest-install 'message-x)
+      (gnus-harvest-install))))
+
+
+;;; IRC
+
 (use-package znc
   :straight (:host nil :repo "https://git.bndl.org/amin/znc.el")
   :bind (("C-c a e e" . znc-erc)
@@ -1533,6 +1861,9 @@
             ("znc.bndl.org" 1337 t
              ((moznet "amin/moznet" ,pwd)))))))
 
+
+;;; Post initialization
+
 (message "Loading %s...done (%.3fs)" user-init-file
          (float-time (time-subtract (current-time)
                                     a/before-user-init-time)))