From 9e7fee287498a750c5e3e7c4ccf369c234fafb9a Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Thu, 17 Jun 1999 23:07:02 +0000
Subject: [PATCH] (gnus-summary-jump-to-other-group): Rewrite as an
 independent function. (gnus-summary-read-group): Revert to
 the previous form.

---
 lisp/gnus-sum.el |   59 +++++++++++++++++++++++++++---------------------------
 1 file changed, 30 insertions(+), 29 deletions(-)

diff --git a/lisp/gnus-sum.el b/lisp/gnus-sum.el
index 5ce39df..51fcfb7 100644
--- a/lisp/gnus-sum.el
+++ b/lisp/gnus-sum.el
@@ -2648,7 +2648,6 @@ the thread are to be displayed."
 	     (make-local-variable (car elem))
 	     (set (car elem) (eval (nth 1 elem))))))))
 
-(defalias 'gnus-summary-jump-to-other-group 'gnus-summary-read-group)
 (defun gnus-summary-read-group (group &optional show-all no-article
 				      kill-buffer no-display backward
 				      select-articles)
@@ -2656,6 +2655,31 @@ the thread are to be displayed."
 If SHOW-ALL is non-nil, already read articles are also listed.
 If NO-ARTICLE is non-nil, no article is selected initially.
 If NO-DISPLAY, don't generate a summary buffer."
+  (let (result)
+    (while (and group
+		(null (setq result
+			    (let ((gnus-auto-select-next nil))
+			      (or (gnus-summary-read-group-1
+				   group show-all no-article
+				   kill-buffer no-display
+				   select-articles)
+				  (setq show-all nil
+					select-articles nil)))))
+		(eq gnus-auto-select-next 'quietly))
+      (set-buffer gnus-group-buffer)
+      ;; The entry function called above goes to the next
+      ;; group automatically, so we go two groups back
+      ;; if we are searching for the previous group.
+      (when backward
+	(gnus-group-prev-unread-group 2))
+      (if (not (equal group (gnus-group-group-name)))
+	  (setq group (gnus-group-group-name))
+	(setq group nil)))
+    result))
+
+(defun gnus-summary-jump-to-other-group (group &optional show-all)
+  "Directly jump to the other GROUP from summary buffer.
+If SHOW-ALL is non-nil, already read articles are also listed."
   (interactive
    (if (eq gnus-summary-buffer (current-buffer))
        (list (completing-read
@@ -2666,34 +2690,11 @@ If NO-DISPLAY, don't generate a summary buffer."
 	      'gnus-group-history)
 	     current-prefix-arg)
      (error "%s must be invoked from a gnus summary buffer." this-command)))
-  (unless (and (interactive-p)
-	       (or (zerop (length group))
-		   (and gnus-newsgroup-name
-			(string-equal gnus-newsgroup-name group))
-		   (progn
-		     (gnus-summary-exit)
-		     nil)))
-    (let (result)
-      (while (and group
-		  (null (setq result
-			      (let ((gnus-auto-select-next nil))
-				(or (gnus-summary-read-group-1
-				     group show-all no-article
-				     kill-buffer no-display
-				     select-articles)
-				    (setq show-all nil
-					  select-articles nil)))))
-		  (eq gnus-auto-select-next 'quietly))
-	(set-buffer gnus-group-buffer)
-	;; The entry function called above goes to the next
-	;; group automatically, so we go two groups back
-	;; if we are searching for the previous group.
-	(when backward
-	  (gnus-group-prev-unread-group 2))
-	(if (not (equal group (gnus-group-group-name)))
-	    (setq group (gnus-group-group-name))
-	  (setq group nil)))
-      result)))
+  (unless (or (zerop (length group))
+	      (and gnus-newsgroup-name
+		   (string-equal gnus-newsgroup-name group)))
+    (gnus-summary-exit)
+    (gnus-summary-read-group group show-all)))
 
 (defun gnus-summary-read-group-1 (group show-all no-article
 					kill-buffer no-display
-- 
1.7.10.4