Function: gnus-registry-group-count
gnus-registry-group-count is a byte-compiled function defined in
gnus-registry.el.gz.
Signature
(gnus-registry-group-count ID)
Documentation
Get the number of groups of a message, based on the message ID.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-registry.el.gz
(defun gnus-registry-group-count (id)
"Get the number of groups of a message, based on the message ID."
(length (gnus-registry-get-id-key id 'group)))