;;; gnus-srvr.el --- virtual server support for Gnus
;; Copyright (C) 1995,96 Free Software Foundation, Inc.

;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news

;; This file is part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Commentary:

;;; Code:

(require 'gnus-load)
(require 'gnus-spec)
(require 'gnus)
(require 'gnus-group)
(require 'gnus-int)
(require 'gnus-range)

(defvar gnus-server-mode-hook nil
  "Hook run in `gnus-server-mode' buffers.")

(defconst gnus-server-line-format "     {%(%h:%w%)} %s\n"
  "Format of server lines.
It works along the same lines as a normal formatting string,
with some simple extensions.")

(defvar gnus-server-mode-line-format "Gnus  List of servers"
  "The format specification for the server mode line.")

(defvar gnus-server-exit-hook nil
  "*Hook run when exiting the server buffer.")

;;; Internal variables.

(defvar gnus-inserted-opened-servers nil)

(defvar gnus-server-line-format-alist
  `((?h how ?s)
    (?n name ?s)
    (?w where ?s)
    (?s status ?s)))

(defvar gnus-server-mode-line-format-alist 
  `((?S news-server ?s)
    (?M news-method ?s)
    (?u user-defined ?s)))

(defvar gnus-server-line-format-spec nil)
(defvar gnus-server-mode-line-format-spec nil)
(defvar gnus-server-killed-servers nil)

(defvar gnus-server-mode-map)

(defvar gnus-server-menu-hook nil
  "*Hook run after the creation of the server mode menu.")

(defun gnus-server-make-menu-bar ()
  (gnus-turn-off-edit-menu 'server)
  (unless (boundp 'gnus-server-server-menu)
    (easy-menu-define
     gnus-server-server-menu gnus-server-mode-map ""
     '("Server"
       ["Add" gnus-server-add-server t]
       ["Browse" gnus-server-read-server t]
       ["Scan" gnus-server-scan-server t]
       ["List" gnus-server-list-servers t]
       ["Kill" gnus-server-kill-server t]
       ["Yank" gnus-server-yank-server t]
       ["Copy" gnus-server-copy-server t]
       ["Edit" gnus-server-edit-server t]
       ["Exit" gnus-server-exit t]
       ))

    (easy-menu-define
     gnus-server-connections-menu gnus-server-mode-map ""
     '("Connections"
       ["Open" gnus-server-open-server t]
       ["Close" gnus-server-close-server t]
       ["Deny" gnus-server-deny-server t]
       "---"
       ["Open All" gnus-server-open-all-servers t]
       ["Close All" gnus-server-close-all-servers t]
       ["Reset All" gnus-server-remove-denials t]
       ))

    (run-hooks 'gnus-server-menu-hook)))

(defvar gnus-server-mode-map nil)
(put 'gnus-server-mode 'mode-class 'special)

(unless gnus-server-mode-map
  (setq gnus-server-mode-map (make-sparse-keymap))
  (suppress-keymap gnus-server-mode-map)

  (gnus-define-keys
   gnus-server-mode-map
   " " gnus-server-read-server
   "\r" gnus-server-read-server
   gnus-mouse-2 gnus-server-pick-server
   "q" gnus-server-exit
   "l" gnus-server-list-servers
   "k" gnus-server-kill-server
   "y" gnus-server-yank-server
   "c" gnus-server-copy-server
   "a" gnus-server-add-server
   "e" gnus-server-edit-server
   "s" gnus-server-scan-server

   "O" gnus-server-open-server
   "\M-o" gnus-server-open-all-servers
   "C" gnus-server-close-server
   "\M-c" gnus-server-close-all-servers
   "D" gnus-server-deny-server
   "R" gnus-server-remove-denials

    "\C-c\C-i" gnus-info-find-node))

(defun gnus-server-mode ()
  "Major mode for listing and editing servers.

All normal editing commands are switched off.
\\<gnus-server-mode-map>
For more in-depth information on this mode, read the manual 
(`\\[gnus-info-find-node]'). 

The following commands are available:

\\{gnus-server-mode-map}"
  (interactive)
  (when (and menu-bar-mode
	     (gnus-visual-p 'server-menu 'menu))
    (gnus-server-make-menu-bar))
  (kill-all-local-variables)
  (gnus-simplify-mode-line)
  (setq major-mode 'gnus-server-mode)
  (setq mode-name "Server")
  (gnus-set-default-directory)
  (setq mode-line-process nil)
  (use-local-map gnus-server-mode-map)
  (buffer-disable-undo (current-buffer))
  (setq truncate-lines t)
  (setq buffer-read-only t)
  (run-hooks 'gnus-server-mode-hook))

(defun gnus-server-insert-server-line (name method)
  (let* ((how (car method))
	 (where (nth 1 method))
	 (elem (assoc method gnus-opened-servers))
	 (status (cond ((eq (nth 1 elem) 'denied)
			"(denied)")
		       ((or (gnus-server-opened method)
			    (eq (nth 1 elem) 'ok))
			"(opened)")
		       (t
			"(closed)"))))
    (beginning-of-line)
    (gnus-add-text-properties
     (point)
     (prog1 (1+ (point))
       ;; Insert the text.
       (eval gnus-server-line-format-spec))
     (list 'gnus-server (intern name)))))

(defun gnus-enter-server-buffer ()
  "Set up the server buffer."
  (gnus-server-setup-buffer)
  (gnus-configure-windows 'server)
  (gnus-server-prepare))

(defun gnus-server-setup-buffer ()
  "Initialize the server buffer."
  (unless (get-buffer gnus-server-buffer)
    (save-excursion
      (set-buffer (get-buffer-create gnus-server-buffer))
      (gnus-server-mode)
      (when gnus-carpal 
	(gnus-carpal-setup-buffer 'server)))))

(defun gnus-server-prepare ()
  (setq gnus-server-mode-line-format-spec 
	(gnus-parse-format gnus-server-mode-line-format 
			   gnus-server-mode-line-format-alist))
  (setq gnus-server-line-format-spec 
	(gnus-parse-format gnus-server-line-format 
			   gnus-server-line-format-alist t))
  (let ((alist gnus-server-alist)
	(buffer-read-only nil)
	(opened gnus-opened-servers)
	done server op-ser)
    (erase-buffer)
    (setq gnus-inserted-opened-servers nil)
    ;; First we do the real list of servers.
    (while alist
      (push (cdr (setq server (pop alist))) done)
      (when (and server (car server) (cdr server))
	(gnus-server-insert-server-line (car server) (cdr server))))
    ;; Then we insert the list of servers that have been opened in
    ;; this session.
    (while opened 
      (unless (member (caar opened) done)
	(gnus-server-insert-server-line 
	 (setq op-ser (format "%s:%s" (caaar opened) (nth 1 (caar opened))))
	 (caar opened))
	(push (list op-ser (caar opened)) gnus-inserted-opened-servers))
      (setq opened (cdr opened))))
  (goto-char (point-min))
  (gnus-server-position-point))

(defun gnus-server-server-name ()
  (let ((server (get-text-property (gnus-point-at-bol) 'gnus-server)))
    (and server (symbol-name server))))

(defalias 'gnus-server-position-point 'gnus-goto-colon)

(defconst gnus-server-edit-buffer "*Gnus edit server*")

(defun gnus-server-update-server (server)
  (save-excursion
    (set-buffer gnus-server-buffer)
    (let* ((buffer-read-only nil)
	   (entry (assoc server gnus-server-alist))
	   (oentry (assoc (gnus-server-to-method server)
			  gnus-opened-servers)))
      (when entry
	(gnus-dribble-enter 
	 (concat "(gnus-server-set-info \"" server "\" '"
		 (prin1-to-string (cdr entry)) ")")))
      (when (or entry oentry)
	;; Buffer may be narrowed.
	(save-restriction
	  (widen)
	  (when (gnus-server-goto-server server)
	    (gnus-delete-line))
	  (if entry
	      (gnus-server-insert-server-line (car entry) (cdr entry))
	    (gnus-server-insert-server-line 
	     (format "%s:%s" (caar oentry) (nth 1 (car oentry)))
	     (car oentry)))
	  (gnus-server-position-point))))))

(defun gnus-server-set-info (server info)
  ;; Enter a select method into the virtual server alist.
  (when (and server info)
    (gnus-dribble-enter 
     (concat "(gnus-server-set-info \"" server "\" '"
	     (prin1-to-string info) ")"))
    (let* ((server (nth 1 info))
	   (entry (assoc server gnus-server-alist)))
      (if entry (setcdr entry info)
	(setq gnus-server-alist
	      (nconc gnus-server-alist (list (cons server info))))))))

;;; Interactive server functions.

(defun gnus-server-kill-server (server)
  "Kill the server on the current line."
  (interactive (list (gnus-server-server-name)))
  (unless (gnus-server-goto-server server)
    (if server (error "No such server: %s" server)
      (error "No server on the current line")))
  (unless (assoc server gnus-server-alist)
    (error "Read-only server %s" server))
  (gnus-dribble-enter "")
  (let ((buffer-read-only nil))
    (gnus-delete-line))
  (setq gnus-server-killed-servers 
	(cons (assoc server gnus-server-alist) gnus-server-killed-servers))
  (setq gnus-server-alist (delq (car gnus-server-killed-servers)
				gnus-server-alist))
  (gnus-server-position-point))

(defun gnus-server-yank-server ()
  "Yank the previously killed server."
  (interactive)
  (or gnus-server-killed-servers
      (error "No killed servers to be yanked"))
  (let ((alist gnus-server-alist)
	(server (gnus-server-server-name))
	(killed (car gnus-server-killed-servers)))
    (if (not server) 
	(setq gnus-server-alist (nconc gnus-server-alist (list killed)))
      (if (string= server (caar gnus-server-alist))
	  (setq gnus-server-alist (cons killed gnus-server-alist))
	(while (and (cdr alist)
		    (not (string= server (caadr alist))))
	  (setq alist (cdr alist)))
	(if alist
	    (setcdr alist (cons killed (cdr alist)))
 	  (setq gnus-server-alist (list killed)))))
    (gnus-server-update-server (car killed))
    (setq gnus-server-killed-servers (cdr gnus-server-killed-servers))
    (gnus-server-position-point)))

(defun gnus-server-exit ()
  "Return to the group buffer."
  (interactive)
  (kill-buffer (current-buffer))
  (switch-to-buffer gnus-group-buffer)
  (run-hooks 'gnus-server-exit-hook))

(defun gnus-server-list-servers ()
  "List all available servers."
  (interactive)
  (let ((cur (gnus-server-server-name)))
    (gnus-server-prepare)
    (if cur (gnus-server-goto-server cur)
      (goto-char (point-max))
      (forward-line -1))
    (gnus-server-position-point)))

(defun gnus-server-set-status (method status)
  "Make METHOD have STATUS."
  (let ((entry (assoc method gnus-opened-servers)))
    (if entry
	(setcar (cdr entry) status)
      (push (list method status) gnus-opened-servers))))

(defun gnus-opened-servers-remove (method)
  "Remove METHOD from the list of opened servers."
  (setq gnus-opened-servers (delq (assoc method gnus-opened-servers)
				  gnus-opened-servers)))

(defun gnus-server-open-server (server)
  "Force an open of SERVER."
  (interactive (list (gnus-server-server-name)))
  (let ((method (gnus-server-to-method server)))
    (or method (error "No such server: %s" server))
    (gnus-server-set-status method 'ok)
    (prog1
	(or (gnus-open-server method)
	    (progn (message "Couldn't open %s" server) nil))
      (gnus-server-update-server server)
      (gnus-server-position-point))))

(defun gnus-server-open-all-servers ()
  "Open all servers."
  (interactive)
  (let ((servers gnus-inserted-opened-servers))
    (while servers
      (gnus-server-open-server (car (pop servers))))))

(defun gnus-server-close-server (server)
  "Close SERVER."
  (interactive (list (gnus-server-server-name)))
  (let ((method (gnus-server-to-method server)))
    (or method (error "No such server: %s" server))
    (gnus-server-set-status method 'closed)
    (prog1
	(gnus-close-server method)
      (gnus-server-update-server server)
      (gnus-server-position-point))))

(defun gnus-server-close-all-servers ()
  "Close all servers."
  (interactive)
  (let ((servers gnus-inserted-opened-servers))
    (while servers
      (gnus-server-close-server (car (pop servers))))))

(defun gnus-server-deny-server (server)
  "Make sure SERVER will never be attempted opened."
  (interactive (list (gnus-server-server-name)))
  (let ((method (gnus-server-to-method server)))
    (or method (error "No such server: %s" server))
    (gnus-server-set-status method 'denied))
  (gnus-server-update-server server)
  (gnus-server-position-point)
  t)

(defun gnus-server-remove-denials ()
  "Make all denied servers into closed servers."
  (interactive)
  (let ((servers gnus-opened-servers))
    (while servers
      (when (eq (nth 1 (car servers)) 'denied)
	(setcar (nthcdr 1 (car servers)) 'closed))
      (setq servers (cdr servers))))
  (gnus-server-list-servers))

(defun gnus-server-copy-server (from to)
  (interactive
   (list
    (or (gnus-server-server-name)
	(error "No server on the current line"))
    (read-string "Copy to: ")))
  (or from (error "No server on current line"))
  (or (and to (not (string= to ""))) (error "No name to copy to"))
  (and (assoc to gnus-server-alist) (error "%s already exists" to))
  (or (assoc from gnus-server-alist) 
      (error "%s: no such server" from))
  (let ((to-entry (gnus-copy-sequence (assoc from gnus-server-alist))))
    (setcar to-entry to)
    (setcar (nthcdr 2 to-entry) to)
    (setq gnus-server-killed-servers 
	  (cons to-entry gnus-server-killed-servers))
    (gnus-server-yank-server)))

(defun gnus-server-add-server (how where)
  (interactive 
   (list (intern (completing-read "Server method: "
				  gnus-valid-select-methods nil t))
	 (read-string "Server name: ")))
  (setq gnus-server-killed-servers 
	(cons (list where how where) gnus-server-killed-servers))
  (gnus-server-yank-server))

(defun gnus-server-goto-server (server)
  "Jump to a server line."
  (interactive
   (list (completing-read "Goto server: " gnus-server-alist nil t)))
  (let ((to (text-property-any (point-min) (point-max) 
			       'gnus-server (intern server))))
    (and to
	 (progn
	   (goto-char to) 
	   (gnus-server-position-point)))))

(defun gnus-server-edit-server (server)
  "Edit the server on the current line."
  (interactive (list (gnus-server-server-name)))
  (unless server
    (error "No server on current line"))
  (unless (assoc server gnus-server-alist)
    (error "This server can't be edited"))
  (let ((info (cdr (assoc server gnus-server-alist))))
    (gnus-close-server info)
    (gnus-edit-form
     info "Editing the server."
     `(lambda (form)
	(gnus-server-set-info ,server form)
	(gnus-server-list-servers)
	(gnus-server-position-point)))))

(defun gnus-server-scan-server (server)
  "Request a scan from the current server."
  (interactive (list (gnus-server-server-name)))
  (gnus-message 3 "Scanning %s...done" server)
  (gnus-request-scan nil (gnus-server-to-method server))
  (gnus-message 3 "Scanning %s...done" server))

(defun gnus-server-read-server (server)
  "Browse a server."
  (interactive (list (gnus-server-server-name)))
  (let ((buf (current-buffer)))
    (prog1
	(gnus-browse-foreign-server (gnus-server-to-method server) buf)
      (save-excursion
	(set-buffer buf)
	(gnus-server-update-server (gnus-server-server-name))
	(gnus-server-position-point)))))
    
(defun gnus-server-pick-server (e)
  (interactive "e")
  (mouse-set-point e)
  (gnus-server-read-server (gnus-server-server-name)))


;;;
;;; Browse Server Mode
;;;

(defvar gnus-browse-menu-hook nil
  "*Hook run after the creation of the browse mode menu.")

(defvar gnus-browse-mode-hook nil)
(defvar gnus-browse-mode-map nil)
(put 'gnus-browse-mode 'mode-class 'special)

(unless gnus-browse-mode-map
  (setq gnus-browse-mode-map (make-keymap))
  (suppress-keymap gnus-browse-mode-map)

  (gnus-define-keys
   gnus-browse-mode-map
   " " gnus-browse-read-group
   "=" gnus-browse-select-group
   "n" gnus-browse-next-group
   "p" gnus-browse-prev-group
   "\177" gnus-browse-prev-group
   "N" gnus-browse-next-group
   "P" gnus-browse-prev-group
   "\M-n" gnus-browse-next-group
   "\M-p" gnus-browse-prev-group
   "\r" gnus-browse-select-group
   "u" gnus-browse-unsubscribe-current-group
   "l" gnus-browse-exit
   "L" gnus-browse-exit
   "q" gnus-browse-exit
   "Q" gnus-browse-exit
   "\C-c\C-c" gnus-browse-exit
   "?" gnus-browse-describe-briefly

   "\C-c\C-i" gnus-info-find-node))

(defun gnus-browse-make-menu-bar ()
  (gnus-turn-off-edit-menu 'browse)
  (unless (boundp 'gnus-browse-menu)
    (easy-menu-define
     gnus-browse-menu gnus-browse-mode-map ""
     '("Browse"
       ["Subscribe" gnus-browse-unsubscribe-current-group t]
       ["Read" gnus-browse-read-group t]
       ["Select" gnus-browse-read-group t]
       ["Next" gnus-browse-next-group t]
       ["Prev" gnus-browse-next-group t]
       ["Exit" gnus-browse-exit t]
       ))
    (run-hooks 'gnus-browse-menu-hook)))

(defvar gnus-browse-current-method nil)
(defvar gnus-browse-return-buffer nil)

(defvar gnus-browse-buffer "*Gnus Browse Server*")

(defun gnus-browse-foreign-server (method &optional return-buffer)
  "Browse the server METHOD."
  (setq gnus-browse-current-method method)
  (setq gnus-browse-return-buffer return-buffer)
  (let ((gnus-select-method method)
	groups group)
    (gnus-message 5 "Connecting to %s..." (nth 1 method))
    (cond
     ((not (gnus-check-server method))
      (gnus-message
       1 "Unable to contact server: %s" (gnus-status-message method))
      nil)
     ((not (gnus-request-list method))
      (gnus-message
       1 "Couldn't request list: %s" (gnus-status-message method))
      nil)
     (t
      (get-buffer-create gnus-browse-buffer)
      (gnus-add-current-to-buffer-list)
      (and gnus-carpal (gnus-carpal-setup-buffer 'browse))
      (gnus-configure-windows 'browse)
      (buffer-disable-undo (current-buffer))
      (let ((buffer-read-only nil))
	(erase-buffer))
      (gnus-browse-mode)
      (setq mode-line-buffer-identification
	    (list
	     (format
	      "Gnus: %%b {%s:%s}" (car method) (cadr method))))
      (save-excursion
	(set-buffer nntp-server-buffer)
	(let ((cur (current-buffer)))
	  (goto-char (point-min))
	  (or (string= gnus-ignored-newsgroups "")
	      (delete-matching-lines gnus-ignored-newsgroups))
	  (while (re-search-forward
		  "\\(^[^ \t]+\\)[ \t]+[0-9]+[ \t]+[0-9]+" nil t)
	    (goto-char (match-end 1))
	    (setq groups (cons (cons (match-string 1)
				     (max 0 (- (1+ (read cur)) (read cur))))
			       groups)))))
      (setq groups (sort groups
			 (lambda (l1 l2)
			   (string< (car l1) (car l2)))))
      (let ((buffer-read-only nil))
	(while groups
	  (setq group (car groups))
	  (insert
	   (format "K%7d: %s\n" (cdr group) (car group)))
	  (setq groups (cdr groups))))
      (switch-to-buffer (current-buffer))
      (goto-char (point-min))
      (gnus-group-position-point)
      (gnus-message 5 "Connecting to %s...done" (nth 1 method))
      t))))

(defun gnus-browse-mode ()
  "Major mode for browsing a foreign server.

All normal editing commands are switched off.

\\<gnus-browse-mode-map>
The only things you can do in this buffer is

1) `\\[gnus-browse-unsubscribe-current-group]' to subscribe to a group.
The group will be inserted into the group buffer upon exit from this
buffer.

2) `\\[gnus-browse-read-group]' to read a group ephemerally.

3) `\\[gnus-browse-exit]' to return to the group buffer."
  (interactive)
  (kill-all-local-variables)
  (when (and menu-bar-mode
	     (gnus-visual-p 'browse-menu 'menu))
    (gnus-browse-make-menu-bar))
  (gnus-simplify-mode-line)
  (setq major-mode 'gnus-browse-mode)
  (setq mode-name "Browse Server")
  (setq mode-line-process nil)
  (use-local-map gnus-browse-mode-map)
  (buffer-disable-undo (current-buffer))
  (setq truncate-lines t)
  (gnus-set-default-directory)
  (setq buffer-read-only t)
  (run-hooks 'gnus-browse-mode-hook))

(defun gnus-browse-read-group (&optional no-article)
  "Enter the group at the current line."
  (interactive)
  (let ((group (gnus-browse-group-name)))
    (unless (gnus-group-read-ephemeral-group
	     group gnus-browse-current-method nil
	     (cons (current-buffer) 'browse))
      (error "Couldn't enter %s" group))))

(defun gnus-browse-select-group ()
  "Select the current group."
  (interactive)
  (gnus-browse-read-group 'no))

(defun gnus-browse-next-group (n)
  "Go to the next group."
  (interactive "p")
  (prog1
      (forward-line n)
    (gnus-group-position-point)))

(defun gnus-browse-prev-group (n)
  "Go to the next group."
  (interactive "p")
  (gnus-browse-next-group (- n)))

(defun gnus-browse-unsubscribe-current-group (arg)
  "(Un)subscribe to the next ARG groups."
  (interactive "p")
  (when (eobp)
    (error "No group at current line."))
  (let ((ward (if (< arg 0) -1 1))
	(arg (abs arg)))
    (while (and (> arg 0)
		(not (eobp))
		(gnus-browse-unsubscribe-group)
		(zerop (gnus-browse-next-group ward)))
      (decf arg))
    (gnus-group-position-point)
    (if (/= 0 arg) (gnus-message 7 "No more newsgroups"))
    arg))

(defun gnus-browse-group-name ()
  (save-excursion
    (beginning-of-line)
    (when (re-search-forward ": \\(.*\\)$" (gnus-point-at-eol) t)
      (gnus-group-prefixed-name (match-string 1) gnus-browse-current-method))))

(defun gnus-browse-unsubscribe-group ()
  "Toggle subscription of the current group in the browse buffer."
  (let ((sub nil)
	(buffer-read-only nil)
	group)
    (save-excursion
      (beginning-of-line)
      ;; If this group it killed, then we want to subscribe it.
      (if (= (following-char) ?K) (setq sub t))
      (setq group (gnus-browse-group-name))
      ;; Make sure the group has been properly removed before we
      ;; subscribe to it.
      (gnus-kill-ephemeral-group group)
      (delete-char 1)
      (if sub
	  (progn
	    (gnus-group-change-level
	     (list t group gnus-level-default-subscribed
		   nil nil gnus-browse-current-method)
	     gnus-level-default-subscribed gnus-level-killed
	     (and (car (nth 1 gnus-newsrc-alist))
		  (gnus-gethash (car (nth 1 gnus-newsrc-alist))
				gnus-newsrc-hashtb))
	     t)
	    (insert ? ))
	(gnus-group-change-level
	 group gnus-level-killed gnus-level-default-subscribed)
	(insert ?K)))
    t))

(defun gnus-browse-exit ()
  "Quit browsing and return to the group buffer."
  (interactive)
  (when (eq major-mode 'gnus-browse-mode)
    (kill-buffer (current-buffer)))
  ;; Insert the newly subscribed groups in the group buffer.
  (save-excursion
    (set-buffer gnus-group-buffer)
    (gnus-group-list-groups nil))
  (if gnus-browse-return-buffer
      (gnus-configure-windows 'server 'force)
    (gnus-configure-windows 'group 'force)))

(defun gnus-browse-describe-briefly ()
  "Give a one line description of the group mode commands."
  (interactive)
  (gnus-message 6
		(substitute-command-keys "\\<gnus-browse-mode-map>\\[gnus-group-next-group]:Forward  \\[gnus-group-prev-group]:Backward  \\[gnus-browse-exit]:Exit  \\[gnus-info-find-node]:Run Info  \\[gnus-browse-describe-briefly]:This help")))

(provide 'gnus-srvr)

;;; gnus-srvr.el ends here.