Function: gnus-Folder-save-name
gnus-Folder-save-name is an autoloaded and byte-compiled function
defined in gnus-mh.el.gz.
Signature
(gnus-Folder-save-name NEWSGROUP HEADERS &optional LAST-FOLDER)
Documentation
Generate folder name from NEWSGROUP, HEADERS, and optional LAST-FOLDER.
If variable gnus-use-long-file-name(var)/gnus-use-long-file-name(fun) is nil, it is +News.group.
Otherwise, it is like +news/group.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-mh.el.gz
(defun gnus-Folder-save-name (newsgroup _headers &optional last-folder)
"Generate folder name from NEWSGROUP, HEADERS, and optional LAST-FOLDER.
If variable `gnus-use-long-file-name' is nil, it is +News.group.
Otherwise, it is like +news/group."
(or last-folder
(concat "+"
(if gnus-use-long-file-name
(gnus-capitalize-newsgroup newsgroup)
(gnus-newsgroup-directory-form newsgroup)))))