(define-key map ">" 'notmuch-folder-last)
(define-key map "<" 'notmuch-folder-first)
(define-key map "=" 'notmuch-folder)
(define-key map "s" 'notmuch-search)
(define-key map [mouse-1] 'notmuch-folder-show-search)
(define-key map (kbd "RET") 'notmuch-folder-show-search)
(define-key map ">" 'notmuch-folder-last)
(define-key map "<" 'notmuch-folder-first)
(define-key map "=" 'notmuch-folder)
(define-key map "s" 'notmuch-search)
(define-key map [mouse-1] 'notmuch-folder-show-search)
(define-key map (kbd "RET") 'notmuch-folder-show-search)