(gnus-summary-catchup-and-exit): Likewise.
If prefix argument ALL is non-nil, all articles are marked as read."
(interactive "P")
(if (or quietly
+ (not gnus-interactive-catchup) ;Without confirmation?
(y-or-n-p
(if all
"Do you really want to mark everything as read? "
If prefix argument ALL is non-nil, all articles are marked as read."
(interactive "P")
(if (or quietly
+ (not gnus-interactive-catchup) ;Without confirmation?
(y-or-n-p
(if all
"Do you really want to mark everything as read? "