(defvar notmuch-search-stash-map
(let ((map (make-sparse-keymap)))
(define-key map "i" 'notmuch-search-stash-thread-id)
+ (define-key map "?" 'notmuch-subkeymap-help)
map)
"Submap for stash commands")
(fset 'notmuch-search-stash-map notmuch-search-stash-map)