Variable: gnus-message-citation-mode-hook
gnus-message-citation-mode-hook is a customizable variable defined in
gnus-cite.el.gz.
Value
nil
Documentation
Hook run after entering or leaving gnus-message-citation-mode(var)/gnus-message-citation-mode(fun).
No problems result if this variable is not bound.
add-hook automatically binds it. (This is true for all hook variables.)
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-cite.el.gz
(define-minor-mode gnus-message-citation-mode
"Minor mode providing more font-lock support for nested citations.
When enabled, it automatically turns on `font-lock-mode'."
:lighter ""
(when (derived-mode-p 'message-mode)
;; FIXME: Use font-lock-add-keywords!
(let ((defaults (car font-lock-defaults))
default) ;; keywords
(while defaults
(setq default (if (consp defaults)
(pop defaults)
(prog1
defaults
(setq defaults nil))))
(if gnus-message-citation-mode
;; `gnus-message-citation-keywords' should be the last
;; elements of the keywords because the others are unlikely
;; to have the OVERRIDE flags -- XEmacs applies a keyword
;; having no OVERRIDE flag to matched text even if it has
;; already other faces, while Emacs doesn't.
(set (make-local-variable default)
(append (default-value default)
gnus-message-citation-keywords))
(kill-local-variable default))))
;; Force `font-lock-set-defaults' to update `font-lock-keywords'.
(setq font-lock-set-defaults nil)
(font-lock-set-defaults)
(if font-lock-mode
(font-lock-flush)
(gnus-message-citation-mode (font-lock-mode 1)))))