Copy from Nana-gnus 6.13.

(mime-gnus-handle-entity): New class.
(mime-gnus-entity): Use `mime-gnus-handle-entity'.

diff --git a/lisp/mmgnus.el b/lisp/mmgnus.el
new file mode 100644 (file)
index 0000000..d33de8e
--- /dev/null
+++ b/lisp/mmgnus.el
@@ -0,0 +1,60 @@
+;;; mmgnus.el --- MIME entity implementation for gnus-article
+
+;; Copyright (C) 1998 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
+;;         Keiichi Suzuki <keiichi@nanp.org>
+;; Keywords: MIME, multimedia, mail, news
+
+;; This file is part of Nana-gnus.
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(require 'mmbuffer)
+
+(luna-define-class mime-gnus-handle-entity (mime-buffer-entity)
+                  (undisplayer content-description cache content-id))
+
+(luna-define-internal-accessors 'mime-gnus-handle-entity)
+
+(luna-define-method initialize-instance ((entity mime-gnus-handle-entity)
+                                        &rest init-args)
+  (apply (car (luna-class-find-functions
+              (luna-find-class 'standard-object)
+              'initialize-instance))
+        entity init-args))
+
+(luna-define-class mime-gnus-entity (mime-gnus-handle-entity)
+                  (number
+                   subject from date id references chars lines xref extra))
+
+(luna-define-internal-accessors 'mime-gnus-entity)
+
+(luna-define-method initialize-instance ((entity mime-gnus-entity)
+                                        &rest init-args)
+  (apply (car (luna-class-find-functions
+              (luna-find-class 'standard-object)
+              'initialize-instance))
+        entity init-args))
+
+;;; @ end
+;;;
+
+(provide 'mmgnus)
+
+;;; mmgnus.el ends here