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3.28 Exiting the Summary Buffer

Exiting from the summary buffer will normally update all info on the group and return you to the group buffer.

Z Z
Z Q
q
Exit the current group and update all information on the group (gnus-summary-exit). gnus-summary-prepare-exit-hook is called before doing much of the exiting, which calls gnus-summary-expire-articles by default. gnus-summary-exit-hook is called after finishing the exit process. gnus-group-no-more-groups-hook is run when returning to group mode having no more (unread) groups.
Z E
Q
Exit the current group without updating any information on the group (gnus-summary-exit-no-update).
Z c
c
Mark all unticked articles in the group as read and then exit (gnus-summary-catchup-and-exit).
Z C
Mark all articles, even the ticked ones, as read and then exit (gnus-summary-catchup-all-and-exit).
Z n
Mark all articles as read and go to the next group (gnus-summary-catchup-and-goto-next-group).
Z p
Mark all articles as read and go to the previous group (gnus-summary-catchup-and-goto-prev-group).
Z R
C-x C-s
Exit this group, and then enter it again (gnus-summary-reselect-current-group). If given a prefix, select all articles, both read and unread.
Z G
M-g
Exit the group, check for new articles in the group, and select the group (gnus-summary-rescan-group). If given a prefix, select all articles, both read and unread.
Z N
Exit the group and go to the next group (gnus-summary-next-group).
Z P
Exit the group and go to the previous group (gnus-summary-prev-group).
Z s
Save the current number of read/marked articles in the dribble buffer and then save the dribble buffer (gnus-summary-save-newsrc). If given a prefix, also save the .newsrc file(s). Using this command will make exit without updating (the Q command) worthless.

gnus-exit-group-hook is called when you exit the current group with an “updating” exit. For instance Q (gnus-summary-exit-no-update) does not call this hook.

If you're in the habit of exiting groups, and then changing your mind about it, you might set gnus-kill-summary-on-exit to nil. If you do that, Gnus won't kill the summary buffer when you exit it. (Quelle surprise!) Instead it will change the name of the buffer to something like *Dead Summary ... * and install a minor mode called gnus-dead-summary-mode. Now, if you switch back to this buffer, you'll find that all keys are mapped to a function called gnus-summary-wake-up-the-dead. So tapping any keys in a dead summary buffer will result in a live, normal summary buffer.

There will never be more than one dead summary buffer at any one time.

The data on the current group will be updated (which articles you have read, which articles you have replied to, etc.) when you exit the summary buffer. If the gnus-use-cross-reference variable is t (which is the default), articles that are cross-referenced to this group and are marked as read, will also be marked as read in the other subscribed groups they were cross-posted to. If this variable is neither nil nor t, the article will be marked as read in both subscribed and unsubscribed groups (see Crosspost Handling).