From 5d911f462d1e0af7ba25d4e1fdf0ce7552ded953 Mon Sep 17 00:00:00 2001
From: morioka <morioka>
Date: Mon, 17 Mar 1997 15:34:30 +0000
Subject: [PATCH] (mime-view-up-content): New implementation.

---
 mime-view.el |   39 ++++++++++++++++++---------------------
 1 file changed, 18 insertions(+), 21 deletions(-)

diff --git a/mime-view.el b/mime-view.el
index 7ea01f0..3c57c78 100644
--- a/mime-view.el
+++ b/mime-view.el
@@ -6,7 +6,7 @@
 ;; Created: 1994/7/13
 ;;	Renamed: 1994/8/31 from tm-body.el
 ;;	Renamed: 1997/02/19 from tm-view.el
-;; Version: $Revision: 0.51 $
+;; Version: $Revision: 0.52 $
 ;; Keywords: MIME, multimedia, mail, news
 
 ;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
@@ -40,7 +40,7 @@
 ;;;
 
 (defconst mime-view-RCS-ID
-  "$Id: mime-view.el,v 0.51 1997-03-17 15:02:53 morioka Exp $")
+  "$Id: mime-view.el,v 0.52 1997-03-17 15:34:30 morioka Exp $")
 
 (defconst mime-view-version (get-version-string mime-view-RCS-ID))
 
@@ -1025,27 +1025,24 @@ It decodes current entity to call internal or external method as
 
 (defun mime-view-up-content ()
   (interactive)
-  (let* ((pc (mime-preview/point-pcinfo (point)))
-	 (cinfo (mime::preview-content-info/content-info pc))
-	 (rcnum (mime::content-info/rcnum cinfo))
-	 )
-    (if rcnum
-	(let ((r (save-excursion
-		   (set-buffer (mime::preview-content-info/buffer pc))
-                   (mime-article/rcnum-to-cinfo (cdr rcnum))
-		   ))
-	      (rpcl mime::preview/content-list)
-	      cell)
-	  (while (and
-		  (setq cell (car rpcl))
-		  (not (eq r (mime::preview-content-info/content-info cell)))
-		  )
-	    (setq rpcl (cdr rpcl))
+  (let (cinfo)
+    (while (null (setq cinfo (get-text-property (point) 'mime-view-cinfo)))
+      (backward-char)
+      )
+    (let ((r (mime-article/rcnum-to-cinfo
+	      (cdr (mime::content-info/rcnum cinfo))
+	      (get-text-property 1 'mime-view-cinfo)))
+	  point)
+      (catch 'tag
+	(while (setq point (previous-single-property-change
+			    (point) 'mime-view-cinfo))
+	  (goto-char point)
+	  (if (eq r (get-text-property (point) 'mime-view-cinfo))
+	      (throw 'tag t)
 	    )
-	  (goto-char (mime::preview-content-info/point-min cell))
 	  )
-      (mime-view-quit)
-      )))
+	(mime-view-quit)
+	))))
 
 (defun mime-view-previous-content ()
   (interactive)
-- 
1.7.10.4