Variable: gnus-gcc-externalize-attachments
gnus-gcc-externalize-attachments is a customizable variable defined in
gnus-msg.el.gz.
Value
nil
Documentation
Should local-file attachments be included as external parts in Gcc copies?
If it is all, attach files as external parts;
if a regexp and matches the Gcc group name, attach files as external parts;
if nil, attach files as normal parts.
This variable was added, or its default value changed, in Emacs 22.1.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-msg.el.gz
(defcustom gnus-gcc-externalize-attachments nil
"Should local-file attachments be included as external parts in Gcc copies?
If it is `all', attach files as external parts;
if a regexp and matches the Gcc group name, attach files as external parts;
if nil, attach files as normal parts."
:version "22.1"
:group 'gnus-message
:type '(choice (const :tag "None" nil)
(const :tag "Any" all)
regexp))