Function: gnus-article-check-buffer
gnus-article-check-buffer is a byte-compiled function defined in
gnus-art.el.gz.
Signature
(gnus-article-check-buffer)
Documentation
Beep if not in an article buffer.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-art.el.gz
(defun gnus-article-check-buffer ()
"Beep if not in an article buffer."
(unless (derived-mode-p 'gnus-article-mode)
(error "Command invoked outside of a Gnus article buffer")))