gnus

gnus is an interactive autoloaded compiled Lisp function in `gnus.el'.

It is bound to <menu-bar> <tools> <gnus>.

(gnus &optional ARG DONT-CONNECT SLAVE)

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If ARG is non-nil and a positive number, Gnus will use that as the
startup level. If ARG is non-nil and not a positive number, Gnus will
prompt the user for the name of an NNTP server to use.