From e611ec1d790876867950424a502b5ff1d75dfb86 Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Tue, 9 Jan 2001 08:55:25 +0000
Subject: [PATCH] Synch with Oort Gnus.

---
 lisp/ChangeLog    |   11 +++++++++++
 lisp/gnus-art.el  |   38 +++++++++++++++++++++-----------------
 lisp/gnus-sum.el  |    5 ++++-
 lisp/mm-decode.el |    2 +-
 lisp/nnmail.el    |    2 +-
 5 files changed, 38 insertions(+), 20 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index b1ce117..f5b1034 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,14 @@
+2001-01-09 01:00:00  ShengHuo ZHU  <zsh@cs.rochester.edu>
+
+	* mm-decode.el (mm-interactively-view-part): Don't copy-sequence
+	handle.
+	* gnus-art.el (gnus-mime-view-part): Copy it.
+	(gnus-mime-view-part-as-type): Add into gnus-article-mime-handles.
+
+2001-01-09  Michael Downes <mjd@ams.org>
+
+	* gnus-sum.el (gnus-summary-read-group-1): More useful message.
+
 2001-01-08 23:00:00  ShengHuo ZHU  <zsh@cs.rochester.edu>
 
 	* nnmail.el (nnmail-get-new-mail): Find group only if file is not
diff --git a/lisp/gnus-art.el b/lisp/gnus-art.el
index fef33f3..1430aa9 100644
--- a/lisp/gnus-art.el
+++ b/lisp/gnus-art.el
@@ -3654,6 +3654,7 @@ value of the variable `gnus-show-mime' is non-nil."
   (gnus-article-check-buffer)
   (let ((data (get-text-property (point) 'gnus-data)))
     (when data
+      (push (setq data (copy-sequence data)) gnus-article-mime-handles)
       (mm-interactively-view-part data))))
 
 (defun gnus-mime-view-part-as-type-internal ()
@@ -3664,27 +3665,30 @@ value of the variable `gnus-show-mime' is non-nil."
 	 (def-type (and name (mm-default-file-encoding name))))
     (and def-type (cons def-type 0))))
 
-(defun gnus-mime-view-part-as-type (mime-type)
+(defun gnus-mime-view-part-as-type (&optional mime-type)
   "Choose a MIME media type, and view the part as such."
-  (interactive
-   (list (completing-read
-	  "View as MIME type: "
-	  (mapcar #'list (mailcap-mime-types))
-	  nil nil
-	  (gnus-mime-view-part-as-type-internal))))
+  (interactive)
+  (unless mime-type
+    (setq mime-type (completing-read
+		     "View as MIME type: "
+		     (mapcar #'list (mailcap-mime-types))
+		     nil nil
+		     (gnus-mime-view-part-as-type-internal))))
   (gnus-article-check-buffer)
   (let ((handle (get-text-property (point) 'gnus-data)))
     (when handle
-      (gnus-mm-display-part
-       (mm-make-handle (mm-handle-buffer handle)
-		       (cons mime-type (cdr (mm-handle-type handle)))
-		       (mm-handle-encoding handle)
-		       (mm-handle-undisplayer handle)
-		       (mm-handle-disposition handle)
-		       (mm-handle-description handle)
-		       (mm-handle-cache handle)
-		       (mm-handle-id handle))))))
-  
+      (setq handle
+	    (mm-make-handle (mm-handle-buffer handle)
+			    (cons mime-type (cdr (mm-handle-type handle)))
+			    (mm-handle-encoding handle)
+			    (mm-handle-undisplayer handle)
+			    (mm-handle-disposition handle)
+			    (mm-handle-description handle)
+			    (mm-handle-cache handle)
+			    (mm-handle-id handle)))
+      (push handle gnus-article-mime-handles)
+      (gnus-mm-display-part handle))))
+
 (defun gnus-mime-copy-part (&optional handle)
   "Put the the MIME part under point into a new buffer."
   (interactive)
diff --git a/lisp/gnus-sum.el b/lisp/gnus-sum.el
index 9c165f9..86366ae 100644
--- a/lisp/gnus-sum.el
+++ b/lisp/gnus-sum.el
@@ -3004,7 +3004,10 @@ If SHOW-ALL is non-nil, already read articles are also listed."
 	      (gnus-group-jump-to-group group)
 	      (gnus-group-next-unread-group 1))
 	  (gnus-handle-ephemeral-exit quit-config)))
-      (gnus-message 3 "Can't select group")
+      (let ((grpinfo (gnus-get-info group)))
+        (if (null (gnus-info-read grpinfo))
+            (gnus-message 3 "Group %s contains no messages" group)
+          (gnus-message 3 "Can't select group")))
       nil)
      ;; The user did a `C-g' while prompting for number of articles,
      ;; so we exit this group.
diff --git a/lisp/mm-decode.el b/lisp/mm-decode.el
index 4335103..ffc8aea 100644
--- a/lisp/mm-decode.el
+++ b/lisp/mm-decode.el
@@ -842,7 +842,7 @@ external if displayed external."
       (error "No method given"))
     (if (string-match "^[^% \t]+$" method) 
 	(setq method (concat method " %s")))
-    (mm-display-external (copy-sequence handle) method)))
+    (mm-display-external handle method)))
 
 (defun mm-preferred-alternative (handles &optional preferred)
   "Say which of HANDLES are preferred."
diff --git a/lisp/nnmail.el b/lisp/nnmail.el
index b40f1fe..1510d4a 100644
--- a/lisp/nnmail.el
+++ b/lisp/nnmail.el
@@ -1585,7 +1585,7 @@ See the documentation for the variable `nnmail-split-fancy' for documentation."
 			 ',spool-func
 			 (if (equal file orig-file)
 			     nil
-			   (nnmail-get-split-group orig-file ,source))
+			   (nnmail-get-split-group orig-file ',source))
 			 ',(intern (format "%s-active-number" method))))))
 	  (incf total new)
 	  (incf i)))
-- 
1.7.10.4