gnus-summary-news-other-window
gnus-summary-news-other-window is an interactive autoloaded compiled Lisp function in `gnus-msg.el
'.
(gnus-summary-news-other-window &optional ARG)
Start composing a news in another window.
Post to the current group by default.
If ARG, don't do that. If ARG is 1, prompt for group name to post to.
This function prepares a news even when using mail groups. This is useful
for posting messages to mail groups without actually sending them over the
network. The corresponding back end must have a 'request-post method.