From 08633154858eb4018689873d8eee3d42aec97251 Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Wed, 18 Nov 1998 11:11:12 +0000
Subject: [PATCH] Sync up with the latest semi-1_11.

---
 ChangeLog    |   10 ++++++++++
 mime-edit.el |   50 +++++++++++++++++++++++++++++++-------------------
 2 files changed, 41 insertions(+), 19 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 31496d6..7d11d70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+1998-11-18  Keiichi Suzuki  <kei-suzu@mail.wbs.ne.jp>
+
+	* mime-edit.el (mime-content-transfer-encoding-priority-list): New
+	variable.
+	(mime-edit-translate-single-part-tag): Change return value to
+	`nil' or a cons which include content-type and encoding.
+	(mime-edit-translate-region): Generate `encodeing' from
+	return value of `mime-edit-translate-single-part-tag'.
+
+
 1998-11-16  Katsumi Yamaoka   <yamaoka@jpl.org>
 
 	* WEMI: Version 1.11.0 (Okitsu) released.
diff --git a/mime-edit.el b/mime-edit.el
index 6ba9f85..873c5bf 100644
--- a/mime-edit.el
+++ b/mime-edit.el
@@ -4,7 +4,6 @@
 
 ;; Author: UMEDA Masanobu <umerin@mse.kyutech.ac.jp>
 ;;         MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;; Created: 1994/08/21 renamed from mime.el
 ;;	Renamed: 1997/2/21 from tm-edit.el
 ;; Keywords: MIME, multimedia, multilingual, mail, news
@@ -506,6 +505,11 @@ If encoding is nil, it is determined from its contents."
 (make-variable-buffer-local 'mime-transfer-level-string)
 
 
+;;; @@ about content transfer encoding
+
+(defvar mime-content-transfer-encoding-priority-list
+  '(nil "8bit" "binary"))
+
 ;;; @@ about message inserting
 ;;;
 
@@ -1958,8 +1962,12 @@ Content-Transfer-Encoding: 7bit
 	    (if encoding
 		(insert "Content-Transfer-Encoding: " encoding "\n"))
 	    (eword-encode-header)
-	    ))
-	t)))
+	    )
+	  (cons (and contype
+		     (downcase contype))
+		(and encoding
+		     (downcase encoding))))
+	)))
 
 (defun mime-edit-translate-region (beg end &optional boundary multipart)
   (or boundary
@@ -1995,22 +2003,26 @@ Content-Transfer-Encoding: 7bit
 	 (t
 	  ;; It's a multipart message.
 	  (goto-char (point-min))
-	  (and (mime-edit-translate-single-part-tag boundary)
-	       (while (mime-edit-translate-single-part-tag boundary "\n")))
-	  ;; Define Content-Type as "multipart/mixed".
-	  (setq contype
-		(concat "multipart/mixed;\n boundary=\"" boundary "\""))
-	  ;; Content-Transfer-Encoding must be "7bit".
-	  ;; The following encoding can be `nil', but is
-	  ;; specified as is since there is no way that a user
-	  ;; specifies it.
-	  (setq encoding "7bit")
-	  ;; Insert the trailer.
-	  (goto-char (point-max))
-	  (insert "\n--" boundary "--\n")
-	  ))
-	(list contype encoding boundary nparts)
-	))))
+	  (let ((prio mime-content-transfer-encoding-priority-list)
+		part-info nprio)
+	    (when (setq part-info
+			(mime-edit-translate-single-part-tag boundary))
+	      (and (setq nprio (member (cdr part-info) prio))
+		   (setq prio nprio))
+	      (while (setq part-info
+			   (mime-edit-translate-single-part-tag boundary "\n"))
+		(and (setq nprio (member (cdr part-info) prio))
+		     (setq prio nprio))))
+	    ;; Define Content-Type as "multipart/mixed".
+	    (setq contype
+		  (concat "multipart/mixed;\n boundary=\"" boundary "\""))
+	    (setq encoding (car prio))
+	    ;; Insert the trailer.
+	    (goto-char (point-max))
+	    (insert "\n--" boundary "--\n")
+	    )))
+	 (list contype encoding boundary nparts)
+	 ))))
 
 (defun mime-edit-normalize-body ()
   "Normalize the body part by inserting appropriate message tags."
-- 
1.7.10.4