From 41197d6b1260b4fddba54dbd8babdb50044598b2 Mon Sep 17 00:00:00 2001
From: morioka <morioka>
Date: Sat, 5 Jul 1997 17:18:02 +0000
Subject: [PATCH] (mime-edit-normalize-body): - Protect "From " in beginning
 of line (insert `ESC ( B' before it if   possible,
 otherwise encode by quoted-printable) - canonicalize line
 break code for base64

---
 mime-edit.el |   31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/mime-edit.el b/mime-edit.el
index 2ae0cf5..f526fbb 100644
--- a/mime-edit.el
+++ b/mime-edit.el
@@ -7,7 +7,7 @@
 ;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;; Created: 1994/08/21 renamed from mime.el
 ;;	Renamed: 1997/2/21 from tm-edit.el
-;; Version: $Revision: 0.84 $
+;; Version: $Revision: 0.85 $
 ;; Keywords: MIME, multimedia, multilingual, mail, news
 
 ;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
@@ -122,7 +122,7 @@
 ;;;
 
 (defconst mime-edit-RCS-ID
-  "$Id: mime-edit.el,v 0.84 1997-07-03 12:14:07 morioka Exp $")
+  "$Id: mime-edit.el,v 0.85 1997-07-05 17:18:02 morioka Exp $")
 
 (defconst mime-edit-version `,(get-version-string mime-edit-RCS-ID))
 
@@ -1979,6 +1979,33 @@ Content-Transfer-Encoding: 7bit
 		   )
 	      (encode-mime-charset-region beg (mime-edit-content-end)
 					  charset)
+	      ;; Protect "From " in beginning of line
+	      (save-restriction
+		(narrow-to-region beg (mime-edit-content-end))
+		(goto-char beg)
+		(if (re-search-forward "^From " nil t)
+		    (unless encoding
+		      (if (memq charset '(iso-2022-jp
+					  iso-2022-jp-2
+					  iso-2022-int-1
+					  x-ctext))
+			  (while (progn
+				   (replace-match "\e(BFrom ")
+				   (re-search-forward "^From " nil t)
+				   ))
+			(setq encoding "quoted-printable")
+			))))
+	      ;; canonicalize line break code
+	      (or (member encoding '(nil "7bit" "8bit" "quoted-printable"))
+		  (save-restriction
+		    (narrow-to-region beg (mime-edit-content-end))
+		    (goto-char beg)
+		    (while (re-search-forward "\\([^\r]\\)\n" nil t)
+		      (replace-match
+		       (concat (buffer-substring (match-beginning 0)
+						 (match-end 1)) "\r\n"))
+		      )))
+	      (goto-char beg)
 	      (mime-encode-region beg (mime-edit-content-end) encoding)
 	      (mime-edit-define-encoding encoding)
 	      ))
-- 
1.7.10.4