-(defalias 'notmuch-substitute-one-command-key
- (apply-partially 'notmuch-substitute-one-command-key-with-prefix nil))
+(defun notmuch-substitute-command-keys-one (key)
+ ;; A `keymap' key indicates inheritance from a parent keymap - the
+ ;; inherited mappings follow, so there is nothing to print for
+ ;; `keymap' itself.
+ (when (not (eq key 'keymap))
+ (notmuch-substitute-one-command-key-with-prefix nil key)))