Variable: message-signature
message-signature is a customizable variable defined in message.el.gz.
Value
t
Documentation
String to be inserted at the end of the message buffer.
If nil, don't insert a signature.
If t, insert message-signature-file.
If a function or form, insert its result.
See mail-signature(var)/mail-signature(fun) for the recommended format of a signature.
Also see message-signature-insert-empty-line.
This variable was added, or its default value changed, in Emacs 23.2.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defcustom message-signature mail-signature
"String to be inserted at the end of the message buffer.
If nil, don't insert a signature.
If t, insert `message-signature-file'.
If a function or form, insert its result.
See `mail-signature' for the recommended format of a signature.
Also see `message-signature-insert-empty-line'."
:version "23.2"
:type '(choice string
(const :tag "None" nil)
(const :tag "Contents of signature file" t)
function sexp)
:risky t
:link '(custom-manual "(message)Insertion Variables")
:group 'message-insertion)