+(use-package shell-pop
+ :custom
+ (shell-pop-universal-key "C-c e")
+ (shell-pop-shell-type '("eshell" "*eshell*" (lambda nil (eshell)))))
+#+end_src
+
+** [[https://github.com/EricCrosson/unkillable-scratch][unkillable-scratch]]
+
+Make =*scratch*= and =*Messages*= unkillable.
+
+#+begin_src emacs-lisp
+(use-package unkillable-scratch
+ :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
+ :bind
+ (:prefix-map amin--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]].
+
+** [[https://github.com/DarthFennec/highlight-indent-guides][highlight-indent-guides]]
+
+#+begin_src emacs-lisp
+(use-package highlight-indent-guides
+ :demand t
+ :hook ((prog-mode . highlight-indent-guides-mode)
+ (org-mode . highlight-indent-guides-mode))
+ :config
+ (setq highlight-indent-guides-character ?\|)
+ (setq highlight-indent-guides-auto-enabled nil)
+ (setq highlight-indent-guides-method 'character)
+ (setq highlight-indent-guides-responsive 'top)
+ (set-face-foreground 'highlight-indent-guides-character-face "gainsboro")
+ (set-face-foreground 'highlight-indent-guides-top-character-face "grey40")) ; grey13 is nice too
+#+end_src
+
+* Email
+** [[https://notmuchmail.org][notmuch]]
+
+See [[notmuch:id:87muuqsvci.fsf@fencepost.gnu.org][bug follow-up]].
+
+#+begin_src emacs-lisp
+(defvar amin-maildir "~/mail")