From 3ac44efaee60e4a673e6242d7240fff595d1b1e2 Mon Sep 17 00:00:00 2001
From: keiichi <keiichi>
Date: Fri, 5 Nov 1999 06:12:55 +0000
Subject: [PATCH] (eword-encoded-word-regexp): Match with RFC-2231.
 (eword-decode-region): Likewise.
 (eword-decode-encoded-word): Likewise.
 (eword-decode-encoded-text): Add new option parameter
 `language'.

---
 eword-decode.el |   53 +++++++++++++++++++++++++++++++++--------------------
 1 file changed, 33 insertions(+), 20 deletions(-)

diff --git a/eword-decode.el b/eword-decode.el
index dd46d32..7515c0f 100644
--- a/eword-decode.el
+++ b/eword-decode.el
@@ -61,6 +61,7 @@
 	      "\\("
 	      mime-charset-regexp
 	      "\\)"
+	      "\\(\\*\\([^?]+\\)\\)?"
 	      (regexp-quote "?")
 	      "\\([BbQq]\\)"
 	      (regexp-quote "?")
@@ -228,7 +229,7 @@ such as a version of Net$cape)."
                                         "\\(\n?[ \t]\\)+"
                                         "\\(" eword-encoded-word-regexp "\\)")
                                 nil t)
-	(replace-match "\\1\\6")
+	(replace-match "\\1\\8")
         (goto-char (point-min))
 	)
       (while (re-search-forward eword-encoded-word-regexp nil t)
@@ -538,19 +539,25 @@ as a version of Net$cape)."
 	  (let ((charset
 		 (substring word (match-beginning 1) (match-end 1))
 		 )
+		(language
+		 (when (match-beginning 3)
+		   (intern
+		    (downcase
+		     (substring word (match-beginning 3) (match-end 3))
+		     ))))
 		(encoding
 		 (upcase
-		  (substring word (match-beginning 2) (match-end 2))
+		  (substring word (match-beginning 4) (match-end 4))
 		  ))
 		(text
-		 (substring word (match-beginning 3) (match-end 3))
+		 (substring word (match-beginning 5) (match-end 5))
 		 ))
-            (condition-case err
-                (eword-decode-encoded-text charset encoding text must-unfold)
-              (error
+	    (condition-case err
+		(eword-decode-encoded-text charset encoding text
+					   must-unfold language)
+	      (error
 	       (funcall eword-decode-encoded-word-error-handler word err)
-               ))
-            ))
+	       ))))
       word))
 
 
@@ -558,7 +565,7 @@ as a version of Net$cape)."
 ;;;
 
 (defun eword-decode-encoded-text (charset encoding string
-					  &optional must-unfold)
+					  &optional must-unfold language)
   "Decode STRING as an encoded-text.
 
 If your emacs implementation can not decode CHARSET, it returns nil.
@@ -568,22 +575,28 @@ So you should write error-handling code if you don't want break by errors.
 
 If MUST-UNFOLD is non-nil, it unfolds and eliminates line-breaks even
 if there are in decoded encoded-text (generated by bad manner MUA such
-as a version of Net$cape)."
+as a version of Net$cape).
+
+If LANGUAGE is non-nil, put this value as text-property `mime-language'
+to result text."
   (let ((cs (mime-charset-to-coding-system charset)))
     (if cs
 	(let ((dest (encoded-text-decode-string string encoding)))
 	  (when dest
 	    (setq dest (decode-mime-charset-string dest charset))
-	    (if must-unfold
-		(mapconcat (function
-			    (lambda (chr)
-			      (cond ((eq chr ?\n) "")
-				    ((eq chr ?\t) " ")
-				    (t (char-to-string chr)))
-			      ))
-			   (std11-unfold-string dest)
-			   "")
-	      dest))))))
+	    (when must-unfold
+	      (setq dest (mapconcat (function
+				     (lambda (chr)
+				       (cond ((eq chr ?\n) "")
+					     ((eq chr ?\t) " ")
+					     (t (char-to-string chr)))
+				       ))
+				    (std11-unfold-string dest)
+				    "")))
+	    (when language
+	      (put-text-property 0 (length dest) 'mime-language language dest)
+	      )
+	    dest)))))
 
 
 ;;; @ lexical analyze
-- 
1.7.10.4