+#+begin_src emacs-lisp
+(use-package projectile
+ :bind-keymap ("C-c P" . projectile-command-map)
+ :config
+ (projectile-mode)
+
+ (defun my-projectile-invalidate-cache (&rest _args)
+ ;; ignore the args to `magit-checkout'
+ (projectile-invalidate-cache nil))
+
+ (eval-after-load 'magit-branch
+ '(progn
+ (advice-add 'magit-checkout
+ :after #'my-projectile-invalidate-cache)
+ (advice-add 'magit-branch-and-checkout
+ :after #'my-projectile-invalidate-cache)))
+ :custom (projectile-completion-system 'ivy))
+#+end_src
+
+** [[https://github.com/Wilfred/helpful][helpful]]
+
+#+begin_src emacs-lisp
+(use-package helpful
+ :defer 3
+ :bind
+ (("C-S-h c" . helpful-command)
+ ("C-S-h f" . helpful-callable) ; helpful-function
+ ("C-S-h v" . helpful-variable)
+ ("C-S-h k" . helpful-key)
+ ("C-S-h p" . helpful-at-point)))
+#+end_src
+
+** [[https://github.com/EricCrosson/unkillable-scratch][unkillable-scratch]]
+
+Make =*scratch*= and =*Messages*= unkillable.
+
+#+begin_src emacs-lisp
+(use-package unkillable-scratch
+ :defer 3
+ :config
+ (unkillable-scratch 1)
+ :custom
+ (unkillable-buffers '("^\\*scratch\\*$" "^\\*Messages\\*$")))
+#+end_src
+
+** [[https://github.com/davep/boxquote.el][boxquote.el]]
+
+#+begin_example
+,----
+| make pretty boxed quotes like this
+`----
+#+end_example
+
+#+begin_src emacs-lisp
+(use-package boxquote
+ :defer 3
+ :bind
+ (:prefix-map a/boxquote-prefix-map
+ :prefix "C-c q"
+ ("b" . boxquote-buffer)
+ ("B" . boxquote-insert-buffer)
+ ("d" . boxquote-defun)
+ ("F" . boxquote-insert-file)
+ ("hf" . boxquote-describe-function)
+ ("hk" . boxquote-describe-key)
+ ("hv" . boxquote-describe-variable)
+ ("hw" . boxquote-where-is)
+ ("k" . boxquote-kill)
+ ("p" . boxquote-paragraph)
+ ("q" . boxquote-boxquote)
+ ("r" . boxquote-region)
+ ("s" . boxquote-shell-command)
+ ("t" . boxquote-text)
+ ("T" . boxquote-title)
+ ("u" . boxquote-unbox)
+ ("U" . boxquote-unbox-region)
+ ("y" . boxquote-yank)
+ ("M-q" . boxquote-fill-paragraph)
+ ("M-w" . boxquote-kill-ring-save)))
+#+end_src
+
+Also see [[https://www.emacswiki.org/emacs/rebox2][rebox2]].
+
+** orgalist
+
+#+begin_src emacs-lisp
+(use-package orgalist
+ :after message
+ :hook (message-mode . orgalist-mode))
+#+end_src
+
+** typo.el
+
+#+begin_src emacs-lisp
+(use-package typo
+ :defer 2
+ :config
+ (typo-global-mode 1)
+ :hook (text-mode . typo-mode))
+#+end_src
+
+** hl-todo
+
+#+begin_src emacs-lisp
+(use-package hl-todo
+ :defer 4
+ :config
+ (global-hl-todo-mode))
+#+end_src
+
+** shrink-path
+
+#+begin_src emacs-lisp
+(use-package shrink-path
+ :defer 2
+ :after eshell
+ :config
+ (defun +eshell/prompt ()
+ (let ((base/dir (shrink-path-prompt default-directory)))
+ (concat (propertize (car base/dir)
+ 'face 'font-lock-comment-face)
+ (propertize (cdr base/dir)
+ 'face 'font-lock-constant-face)
+ (propertize (+eshell--current-git-branch)
+ 'face 'font-lock-function-name-face)
+ "\n"
+ ;; "λ"
+ ;; (propertize "λ" 'face 'eshell-prompt)
+ ;; needed for the input text to not have prompt face
+ (propertize "λ " 'face 'default))))
+
+ (defun +eshell--current-git-branch ()
+ (let ((branch (car (loop for match in (split-string (shell-command-to-string "git branch") "\n")
+ when (string-match "^\*" match)
+ collect match))))
+ (if (not (eq branch nil))
+ (concat " " (substring branch 2))
+ "")))
+ (setq eshell-prompt-regexp "\\(.*\n\\)*λ "
+ eshell-prompt-function #'+eshell/prompt))
+#+end_src
+
+** [[https://github.com/peterwvj/eshell-up][eshell-up]]
+
+#+begin_src emacs-lisp
+(use-package eshell-up
+ :after eshell
+ :commands eshell-up)
+#+end_src
+
+** multi-term
+
+#+begin_src emacs-lisp
+(use-package multi-term
+ :defer 3
+ :bind (("C-c a s m" . multi-term-dedicated-toggle)
+ :map term-mode-map
+ ("C-c C-j" . term-char-mode)
+ :map term-raw-map
+ ("C-c C-j" . term-line-mode))
+ :config
+ (setq multi-term-program "/bin/screen"
+ ;; TODO: add separate bindings for connecting to existing
+ ;; session vs. always creating a new one
+ multi-term-dedicated-select-after-open-p t
+ multi-term-dedicated-window-height 20
+ multi-term-dedicated-max-window-height 30
+ term-bind-key-alist
+ '(("C-c C-c" . term-interrupt-subjob)
+ ("C-c C-e" . term-send-esc)
+ ("C-k" . kill-line)
+ ("C-y" . term-paste)
+ ("M-f" . term-send-forward-word)
+ ("M-b" . term-send-backward-word)
+ ("M-p" . term-send-up)
+ ("M-n" . term-send-down)
+ ("<C-backspace>" . term-send-backward-kill-word)
+ ("<M-DEL>" . term-send-backward-kill-word)
+ ("M-d" . term-send-delete-word)
+ ("M-," . term-send-raw)
+ ("M-." . comint-dynamic-complete))
+ term-unbind-key-alist
+ '("C-z" "C-x" "C-c" "C-h" "C-y" "<ESC>")))
+#+end_src
+
+** page-break-lines
+
+#+begin_src emacs-lisp
+(use-package page-break-lines
+ :config
+ (global-page-break-lines-mode))
+#+end_src
+
+** expand-region
+
+#+begin_src emacs-lisp
+(use-package expand-region
+ :bind ("C-=" . er/expand-region))
+#+end_src
+
+** multiple-cursors
+
+#+begin_src emacs-lisp
+(use-package multiple-cursors
+ :bind
+ (("C-S-<mouse-1>" . mc/add-cursor-on-click)
+ (:prefix-map a/mc-prefix-map
+ :prefix "C-c m"
+ ("c" . mc/edit-lines)
+ ("n" . mc/mark-next-like-this)
+ ("p" . mc/mark-previous-like-this)
+ ("a" . mc/mark-all-like-this))))
+#+end_src
+
+** forge
+
+#+begin_src emacs-lisp
+(use-package forge
+ :after magit
+ :demand)
+#+end_src
+
+** yasnippet
+
+#+begin_src emacs-lisp
+(use-package yasnippet
+ :defer 3
+ :config
+ (add-to-list 'yas-snippet-dirs "~/src/git/guix/etc/snippets")
+ (yas-reload-all)
+ :hook
+ (text-mode . yas-minor-mode))
+#+end_src
+
+* Email
+:PROPERTIES:
+:CUSTOM_ID: email
+:END:
+
+#+begin_src emacs-lisp
+(defvar a/maildir (expand-file-name "~/mail/"))
+(with-eval-after-load 'recentf
+ (add-to-list 'recentf-exclude a/maildir))
+#+end_src
+
+** Gnus
+
+#+begin_src emacs-lisp
+(setq
+ a/gnus-init-file (no-littering-expand-etc-file-name "gnus")
+ mail-user-agent 'gnus-user-agent
+ read-mail-command 'gnus)
+
+(use-feature gnus
+ :bind (("s-m" . gnus)
+ ("s-M" . gnus-unplugged))
+ :init
+ (setq
+ gnus-select-method '(nnnil "")
+ gnus-secondary-select-methods
+ '((nnimap "amin"
+ (nnimap-stream plain)
+ (nnimap-address "127.0.0.1")
+ (nnimap-server-port 143)
+ (nnimap-authenticator plain)
+ (nnimap-user "amin@aminb.org"))
+ (nnimap "uwaterloo"
+ (nnimap-stream plain)
+ (nnimap-address "127.0.0.1")
+ (nnimap-server-port 143)
+ (nnimap-authenticator plain)
+ (nnimap-user "abandali@uwaterloo.ca")))
+ gnus-message-archive-group "nnimap+amin:Sent"
+ gnus-parameters
+ '(("gnu.*"
+ (gcc-self . t)))
+ gnus-large-newsgroup 50
+ gnus-home-directory (no-littering-expand-var-file-name "gnus/")
+ gnus-directory (concat gnus-home-directory "news/")
+ message-directory (concat gnus-home-directory "mail/")
+ nndraft-directory (concat gnus-home-directory "drafts/")
+ gnus-save-newsrc-file nil
+ gnus-read-newsrc-file nil
+ gnus-interactive-exit nil
+ gnus-gcc-mark-as-read t)
+ :config
+ (require 'ebdb)
+ (require 'ebdb-mua)
+ (require 'ebdb-gnus))
+
+(use-feature gnus-art
+ :config
+ (setq
+ gnus-visible-headers
+ (concat gnus-visible-headers "\\|^List-Id:\\|^X-RT-Originator:\\|^User-Agent:")
+ gnus-sorted-header-list
+ '("^From:" "^Subject:" "^Summary:" "^Keywords:"
+ "^Followup-To:" "^To:" "^Cc:" "X-RT-Originator"
+ "^Newsgroups:" "List-Id:" "^Organization:"
+ "^User-Agent:" "^Date:")
+ ;; local-lapsed article dates
+ ;; from https://www.emacswiki.org/emacs/GnusFormatting#toc11
+ gnus-article-date-headers '(user-defined)
+ gnus-article-time-format
+ (lambda (time)
+ (let* ((date (format-time-string "%a, %d %b %Y %T %z" time))
+ (local (article-make-date-line date 'local))
+ (combined-lapsed (article-make-date-line date
+ 'combined-lapsed))
+ (lapsed (progn
+ (string-match " (.+" combined-lapsed)
+ (match-string 0 combined-lapsed))))
+ (concat local lapsed))))
+ (bind-keys
+ :map gnus-article-mode-map
+ ("r" . gnus-article-reply-with-original)
+ ("R" . gnus-article-wide-reply-with-original)
+ ("M-L" . org-store-link)))
+
+(use-feature gnus-sum
+ :bind (:map gnus-summary-mode-map
+ :prefix-map a/gnus-summary-prefix-map
+ :prefix "v"
+ ("r" . gnus-summary-reply)
+ ("w" . gnus-summary-wide-reply)
+ ("v" . gnus-summary-show-raw-article))
+ :config
+ (bind-keys
+ :map gnus-summary-mode-map
+ ("r" . gnus-summary-reply-with-original)
+ ("R" . gnus-summary-wide-reply-with-original)
+ ("M-L" . org-store-link))
+ :hook (gnus-summary-mode . a/no-mouse-autoselect-window))
+
+(use-feature gnus-msg
+ :config
+ (setq gnus-posting-styles
+ '((".*"
+ (address "amin@aminb.org")
+ (body "\nBest,\namin\n")
+ (eval (setq a/message-cite-say-hi t)))
+ ("gnu.*"
+ (address "bandali@gnu.org"))
+ ((header "subject" "ThankCRM")
+ (to "webmasters-comment@gnu.org")
+ (body "\nAdded to 2019supporters.html.\n\nMoving to campaigns.\n\n-amin\n")
+ (eval (setq a/message-cite-say-hi nil)))
+ ("nnimap\\+uwaterloo:.*"
+ (address "abandali@uwaterloo.ca")
+ (gcc "\"nnimap+uwaterloo:Sent Items\"")))))
+
+(use-feature gnus-topic
+ :hook (gnus-group-mode . gnus-topic-mode))
+
+(use-feature gnus-agent
+ :config
+ (setq gnus-agent-synchronize-flags 'ask)
+ :hook (gnus-group-mode . gnus-agent-mode))
+
+(use-feature gnus-group
+ :config
+ (setq gnus-permanently-visible-groups "\\((INBOX\\|gnu$\\)"))
+
+(use-feature mm-decode
+ :config
+ (setq mm-discouraged-alternatives '("text/html" "text/richtext")))
+#+end_src
+
+** sendmail
+
+#+begin_src emacs-lisp
+(use-feature sendmail