Variable: message-citation-line-function
message-citation-line-function is a customizable variable defined in
message.el.gz.
Value
message-insert-citation-line
Documentation
Function called to insert the "Whomever writes:" line.
Predefined functions include message-insert-citation-line and
message-insert-formatted-citation-line (see the variable
message-citation-line-format).
Note that Gnus provides a feature where the reader can click on
writes: to hide the cited text. If you change this line too much,
people who read your message will have to change their Gnus
configuration. See the variable gnus-cite-attribution-suffix.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defcustom message-citation-line-function #'message-insert-citation-line
"Function called to insert the \"Whomever writes:\" line.
Predefined functions include `message-insert-citation-line' and
`message-insert-formatted-citation-line' (see the variable
`message-citation-line-format').
Note that Gnus provides a feature where the reader can click on
`writes:' to hide the cited text. If you change this line too much,
people who read your message will have to change their Gnus
configuration. See the variable `gnus-cite-attribution-suffix'."
:type '(choice
(function-item :tag "plain" message-insert-citation-line)
(function-item :tag "formatted" message-insert-formatted-citation-line)
(function :tag "Other"))
:link '(custom-manual "(message)Insertion Variables")
:group 'message-insertion)