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Reading Based on Conversation Threads

Conversations on the usenet news usually contain several threads under a single subject. This makes it difficult to know which article follows which without reading references directly. It would be useful if we could read articles based on conversation threads.

GNUS enables you this thread-based reading. The reader can follow threads of conversation, mark threads as read, and go up and down thread trees. The command M-C-t (gnus-Subject-toggle-threads) toggles showing conversation threads in Subject Mode. If it is turned on, Subject buffer is displayed in a tree structured form according to what each article was a reply to.

Toggle thread-based reading (gnus-Subject-toggle-threads).
Show thread subtrees (gnus-Subject-show-thread).
M-x gnus-Subject-show-all-threads
Show all thread subtrees.
Hide thread subtrees (gnus-Subject-hide-thread).
M-x gnus-Subject-hide-all-threads
Hide all thread subtrees.
Go to the same level next thread (gnus-Subject-next-thread).
Go to the same level previous thread (gnus-Subject-prev-thread).
Go down to the lower level thread (gnus-Subject-down-thread).
Go up to the upper level thread (gnus-Subject-up-thread).
Mark articles under current thread as read (gnus-Subject-kill-thread).

Thread subtrees can be hidden by using the command M-C-h (gnus-Subject-hide-thread), and the hidden subtrees can be shown by using the command M-C-s (gnus-Subject-show-thread).

If the variable gnus-thread-hide-killed is non-nil, thread subtrees killed by the command M-C-k (gnus-Subject-kill-thread) are hidden automatically.

If you want to hide thread subtrees initially, set the variable gnus-thread-hide-subtree to non-nil.

If you want to enable thread-based reading automatically, set the variable gnus-show-threads to non-nil.

See section Common Variables, for more information on customization.

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