(push
`((lambda ()
(when (buffer-name (get-buffer ,gnus-summary-buffer))
(save-excursion
(set-buffer (get-buffer ,gnus-summary-buffer))
(push
`((lambda ()
(when (buffer-name (get-buffer ,gnus-summary-buffer))
(save-excursion
(set-buffer (get-buffer ,gnus-summary-buffer))