My motions
Make the motion keys n and p take into account all messages, not just the open ones 1
(with-eval-after-load 'notmuch
(let ((map notmuch-show-mode-map))
(keymap-set map "n" #'notmuch-show-next-message)
(keymap-set map "p" #'notmuch-show-previous-message)))
Footnotes:
1
The new motion keys correspond to the original motion keys N and P.