Add imenu support to package-menu-mode

* gnus-cite.el (gnus-message-citation-mode): Fontify if the major
mode is derived from message-mode (not necessarily equal to
message-mode) (bug#25124).

diff --git a/lisp/gnus/gnus-cite.el b/lisp/gnus/gnus-cite.el
index 3aaf41ccf7eb63aacfc1aa76e6e64cb4befca9ca..7f0da2a0fa0ea49f8278f937f8716c09258f1d3c 100644 (file)
--- a/lisp/gnus/gnus-cite.el
+++ b/lisp/gnus/gnus-cite.el
@@ -1163,7 +1163,7 @@ When enabled, it automatically turns on `font-lock-mode'."
   nil ;; init-value
   "" ;; lighter
   nil ;; keymap
-  (when (eq major-mode 'message-mode)   ;FIXME: Use derived-mode-p.
+  (when (derived-mode-p 'message-mode)
     ;; FIXME: Use font-lock-add-keywords!
     (let ((defaults (car font-lock-defaults))
          default keywords)