(defun wl-message-define-keymap ()
(let ((keymap (make-sparse-keymap)))
+ (define-key keymap "D" 'wl-message-delete-current-part)
(define-key keymap "l" 'wl-message-toggle-disp-summary)
(define-key keymap 'button4 'wl-message-wheel-down)
(define-key keymap 'button5 'wl-message-wheel-up)