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 (
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.
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
If the variable
gnus-thread-hide-killed is non-
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-
If you want to enable thread-based reading automatically, set the
gnus-show-threads to non-
See section Common Variables, for more information on customization.