(add-hook 'riece-after-display-message-functions
'riece-biff-after-display-message-function)
(add-hook 'riece-redisplay-buffers-hook 'riece-biff-clear)
(add-hook 'riece-after-display-message-functions
'riece-biff-after-display-message-function)
(add-hook 'riece-redisplay-buffers-hook 'riece-biff-clear)