--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/gnus/gnus-group.el	Mon Aug 13 08:49:20 2007 +0200
@@ -0,0 +1,3308 @@
+;;; gnus-group.el --- group mode commands for Gnus
+;; Copyright (C) 1996,97 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)
+(require 'gnus-start)
+(require 'nnmail)
+(require 'gnus-spec)
+(require 'gnus-int)
+(require 'gnus-range)
+(require 'gnus-win)
+(require 'gnus-undo)
+
+(defcustom gnus-group-archive-directory
+  "/ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list/"
+  "*The address of the (ding) archives."
+  :group 'gnus-group-foreign
+  :type 'directory)
+
+(defcustom gnus-group-recent-archive-directory
+  "/ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list-recent/"
+  "*The address of the most recent (ding) articles."
+  :group 'gnus-group-foreign
+  :type 'directory)
+
+(defcustom gnus-no-groups-message "No news is no news"
+  "*Message displayed by Gnus when no groups are available."
+  :group 'gnus-start
+  :type 'string)
+
+(defcustom gnus-keep-same-level nil
+  "*Non-nil means that the next newsgroup after the current will be on the same level.
+When you type, for instance, `n' after reading the last article in the
+current newsgroup, you will go to the next newsgroup.  If this variable
+is nil, the next newsgroup will be the next from the group
+buffer.
+If this variable is non-nil, Gnus will either put you in the
+next newsgroup with the same level, or, if no such newsgroup is
+available, the next newsgroup with the lowest possible level higher
+than the current level.
+If this variable is `best', Gnus will make the next newsgroup the one
+with the best level."
+  :group 'gnus-group-levels
+  :type '(choice (const nil)
+		 (const best)
+		 (sexp :tag "other" t)))
+
+(defcustom gnus-group-goto-unread t
+  "*If non-nil, movement commands will go to the next unread and subscribed group."
+  :link '(custom-manual "(gnus)Group Maneuvering")
+  :group 'gnus-group-various
+  :type 'boolean)
+
+(defcustom gnus-goto-next-group-when-activating t
+  "*If non-nil, the \\<gnus-group-mode-map>\\[gnus-group-get-new-news-this-group] command will advance point to the next group."
+  :link '(custom-manual "(gnus)Scanning New Messages")
+  :group 'gnus-group-various
+  :type 'boolean)
+
+(defcustom gnus-permanently-visible-groups nil
+  "*Regexp to match groups that should always be listed in the group buffer.
+This means that they will still be listed when there are no unread
+articles in the groups."
+  :group 'gnus-group-listing
+  :type 'regexp)
+
+(defcustom gnus-list-groups-with-ticked-articles t
+  "*If non-nil, list groups that have only ticked articles.
+If nil, only list groups that have unread articles."
+  :group 'gnus-group-listing
+  :type 'boolean)
+
+(defcustom gnus-group-default-list-level gnus-level-subscribed
+  "*Default listing level.
+Ignored if `gnus-group-use-permanent-levels' is non-nil."
+  :group 'gnus-group-listing
+  :type 'integer)
+
+(defcustom gnus-group-list-inactive-groups t
+  "*If non-nil, inactive groups will be listed."
+  :group 'gnus-group-listing
+  :group 'gnus-group-levels
+  :type 'boolean)
+
+(defcustom gnus-group-sort-function 'gnus-group-sort-by-alphabet
+  "*Function used for sorting the group buffer.
+This function will be called with group info entries as the arguments
+for the groups to be sorted.  Pre-made functions include
+`gnus-group-sort-by-alphabet', `gnus-group-sort-by-real-name',
+`gnus-group-sort-by-unread', `gnus-group-sort-by-level',
+`gnus-group-sort-by-score', `gnus-group-sort-by-method', and
+`gnus-group-sort-by-rank'.
+
+This variable can also be a list of sorting functions.	In that case,
+the most significant sort function should be the last function in the
+list."
+  :group 'gnus-group-listing
+  :link '(custom-manual "(gnus)Sorting Groups")
+  :type '(radio (function-item gnus-group-sort-by-alphabet)
+		(function-item gnus-group-sort-by-real-name)
+		(function-item gnus-group-sort-by-unread)
+		(function-item gnus-group-sort-by-level)
+		(function-item gnus-group-sort-by-score)
+		(function-item gnus-group-sort-by-method)
+		(function-item gnus-group-sort-by-rank)
+		(function :tag "other" nil)))
+
+(defcustom gnus-group-line-format "%M\%S\%p\%P\%5y: %(%g%)%l\n"
+  "*Format of group lines.
+It works along the same lines as a normal formatting string,
+with some simple extensions.
+
+%M    Only marked articles (character, \"*\" or \" \")
+%S    Whether the group is subscribed (character, \"U\", \"K\", \"Z\" or \" \")
+%L    Level of subscribedness (integer)
+%N    Number of unread articles (integer)
+%I    Number of dormant articles (integer)
+%i    Number of ticked and dormant (integer)
+%T    Number of ticked articles (integer)
+%R    Number of read articles (integer)
+%t    Estimated total number of articles (integer)
+%y    Number of unread, unticked articles (integer)
+%G    Group name (string)
+%g    Qualified group name (string)
+%D    Group description (string)
+%s    Select method (string)
+%o    Moderated group (char, \"m\")
+%p    Process mark (char)
+%O    Moderated group (string, \"(m)\" or \"\")
+%P    Topic indentation (string)
+%m    Whether there is new(ish) mail in the group (char, \"%\")
+%l    Whether there are GroupLens predictions for this group (string)
+%n    Select from where (string)
+%z    A string that look like `<%s:%n>' if a foreign select method is used
+?d    The date the group was last entered.
+%u    User defined specifier.  The next character in the format string should
+      be a letter.  Gnus will call the function gnus-user-format-function-X,
+      where X is the letter following %u.  The function will be passed the
+      current header as argument.  The function should return a string, which
+      will be inserted into the buffer just like information from any other
+      group specifier.
+
+Text between %( and %) will be highlighted with `gnus-mouse-face' when
+the mouse point move inside the area.  There can only be one such area.
+
+Note that this format specification is not always respected.  For
+reasons of efficiency, when listing killed groups, this specification
+is ignored altogether.	If the spec is changed considerably, your
+output may end up looking strange when listing both alive and killed
+groups.
+
+If you use %o or %O, reading the active file will be slower and quite
+a bit of extra memory will be used.  %D will also worsen performance.
+Also note that if you change the format specification to include any
+of these specs, you must probably re-start Gnus to see them go into
+effect."
+  :group 'gnus-group-visual
+  :type 'string)
+
+(defcustom gnus-group-mode-line-format "Gnus: %%b {%M\%:%S}"
+  "*The format specification for the group mode line.
+It works along the same lines as a normal formatting string,
+with some simple extensions:
+
+%S   The native news server.
+%M   The native select method.
+%:   \":\" if %S isn't \"\"."
+  :group 'gnus-group-visual
+  :type 'string)
+
+(defcustom gnus-group-mode-hook nil
+  "Hook for Gnus group mode."
+  :group 'gnus-group-various
+  :options '(gnus-topic-mode)
+  :type 'hook)
+
+(defcustom gnus-group-menu-hook nil
+  "Hook run after the creation of the group mode menu."
+  :group 'gnus-group-various
+  :type 'hook)
+
+(defcustom gnus-group-catchup-group-hook nil
+  "Hook run when catching up a group from the group buffer."
+  :group 'gnus-group-various
+  :link '(custom-manual "(gnus)Group Data")
+  :type 'hook)
+
+(defcustom gnus-group-update-group-hook nil
+  "Hook called when updating group lines."
+  :group 'gnus-group-visual
+  :type 'hook)
+
+(defcustom gnus-group-prepare-function 'gnus-group-prepare-flat
+  "*A function that is called to generate the group buffer.
+The function is called with three arguments: The first is a number;
+all group with a level less or equal to that number should be listed,
+if the second is non-nil, empty groups should also be displayed.  If
+the third is non-nil, it is a number.  No groups with a level lower
+than this number should be displayed.
+
+The only current function implemented is `gnus-group-prepare-flat'."
+  :group 'gnus-group-listing
+  :type 'function)
+
+(defcustom gnus-group-prepare-hook nil
+  "Hook called after the group buffer has been generated.
+If you want to modify the group buffer, you can use this hook."
+  :group 'gnus-group-listing
+  :type 'hook)
+
+(defcustom gnus-suspend-gnus-hook nil
+  "Hook called when suspending (not exiting) Gnus."
+  :group 'gnus-exit
+  :type 'hook)
+
+(defcustom gnus-exit-gnus-hook nil
+  "Hook called when exiting Gnus."
+  :group 'gnus-exit
+  :type 'hook)
+
+(defcustom gnus-after-exiting-gnus-hook nil
+  "Hook called after exiting Gnus."
+  :group 'gnus-exit
+  :type 'hook)
+
+(defcustom gnus-group-update-hook '(gnus-group-highlight-line)
+  "Hook called when a group line is changed.
+The hook will not be called if `gnus-visual' is nil.
+
+The default function `gnus-group-highlight-line' will
+highlight the line according to the `gnus-group-highlight'
+variable."
+  :group 'gnus-group-visual
+  :type 'hook)
+
+(defcustom gnus-useful-groups
+  `(("(ding) mailing list mirrored at sunsite.auc.dk"
+     "emacs.ding"
+     (nntp "sunsite.auc.dk"
+			(nntp-address "sunsite.auc.dk")))
+    ("Gnus help group"
+     "gnus-help"
+     (nndoc "gnus-help"
+	    (nndoc-article-type mbox)
+	    (eval `(nndoc-address 
+		    ,(let ((file (nnheader-find-etc-directory
+				  "gnus-tut.txt" t)))
+		       (unless file
+			 (error "Couldn't find doc group"))
+		       file))))))
+  "Alist of useful group-server pairs."
+  :group 'gnus-group-listing
+  :type '(repeat (list (string :tag "Description")
+		       (string :tag "Name")
+		       (sexp :tag "Method"))))
+
+(defcustom gnus-group-highlight
+  '(;; News.
+    ((and (= unread 0) (not mailp) (eq level 1)) .
+     gnus-group-news-1-empty-face)
+    ((and (not mailp) (eq level 1)) .
+     gnus-group-news-1-face)
+    ((and (= unread 0) (not mailp) (eq level 2)) .
+     gnus-group-news-2-empty-face)
+    ((and (not mailp) (eq level 2)) .
+     gnus-group-news-2-face)
+    ((and (= unread 0) (not mailp) (eq level 3)) .
+     gnus-group-news-3-empty-face)
+    ((and (not mailp) (eq level 3)) .
+     gnus-group-news-3-face)
+    ((and (= unread 0) (not mailp)) .
+     gnus-group-news-low-empty-face)
+    ((and (not mailp)) .
+     gnus-group-news-low-face)
+    ;; Mail.
+    ((and (= unread 0) (eq level 1)) .
+     gnus-group-mail-1-empty-face)
+    ((eq level 1) .
+     gnus-group-mail-1-face)
+    ((and (= unread 0) (eq level 2)) .
+     gnus-group-mail-2-empty-face)
+    ((eq level 2) .
+     gnus-group-mail-2-face)
+    ((and (= unread 0) (eq level 3)) .
+     gnus-group-mail-3-empty-face)
+    ((eq level 3) .
+     gnus-group-mail-3-face)
+    ((= unread 0) .
+     gnus-group-mail-low-empty-face)
+    (t .
+     gnus-group-mail-low-face))
+  "Controls the highlighting of group buffer lines. 
+
+Below is a list of `Form'/`Face' pairs.  When deciding how a a
+particular group line should be displayed, each form is
+evaluated.  The content of the face field after the first true form is
+used.  You can change how those group lines are displayed by
+editing the face field.  
+
+It is also possible to change and add form fields, but currently that
+requires an understanding of Lisp expressions.  Hopefully this will
+change in a future release.  For now, you can use the following
+variables in the Lisp expression:
+
+group: The name of the group.
+unread: The number of unread articles in the group.
+method: The select method used.
+mailp: Whether it's a mail group or not.
+level: The level of the group.
+score: The score of the group.
+ticked: The number of ticked articles."
+  :group 'gnus-group-visual
+  :type '(repeat (cons (sexp :tag "Form") face)))
+
+(defcustom gnus-new-mail-mark ?%
+  "Mark used for groups with new mail."
+  :group 'gnus-group-visual
+  :type 'character)
+
+;;; Internal variables
+
+(defvar gnus-group-sort-alist-function 'gnus-group-sort-flat
+  "Function for sorting the group buffer.")
+
+(defvar gnus-group-sort-selected-function 'gnus-group-sort-selected-flat
+  "Function for sorting the selected groups in the group buffer.")
+
+(defvar gnus-group-indentation-function nil)
+(defvar gnus-goto-missing-group-function nil)
+(defvar gnus-group-update-group-function nil)
+(defvar gnus-group-goto-next-group-function nil
+  "Function to override finding the next group after listing groups.")
+
+(defvar gnus-group-edit-buffer nil)
+
+(defvar gnus-group-line-format-alist
+  `((?M gnus-tmp-marked-mark ?c)
+    (?S gnus-tmp-subscribed ?c)
+    (?L gnus-tmp-level ?d)
+    (?N (cond ((eq number t) "*" )
+	      ((numberp number)
+	       (int-to-string
+		(+ number
+		   (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
+		   (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))))))
+	      (t number)) ?s)
+    (?R gnus-tmp-number-of-read ?s)
+    (?t gnus-tmp-number-total ?d)
+    (?y gnus-tmp-number-of-unread ?s)
+    (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d)
+    (?T (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))) ?d)
+    (?i (+ (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
+	   (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))) ?d)
+    (?g gnus-tmp-group ?s)
+    (?G gnus-tmp-qualified-group ?s)
+    (?c (gnus-short-group-name gnus-tmp-group) ?s)
+    (?D gnus-tmp-newsgroup-description ?s)
+    (?o gnus-tmp-moderated ?c)
+    (?O gnus-tmp-moderated-string ?s)
+    (?p gnus-tmp-process-marked ?c)
+    (?s gnus-tmp-news-server ?s)
+    (?n gnus-tmp-news-method ?s)
+    (?P gnus-group-indentation ?s)
+    (?l gnus-tmp-grouplens ?s)
+    (?z gnus-tmp-news-method-string ?s)
+    (?m (gnus-group-new-mail gnus-tmp-group) ?c)
+    (?d (gnus-group-timestamp-string gnus-tmp-group) ?s)
+    (?u gnus-tmp-user-defined ?s)))
+
+(defvar gnus-group-mode-line-format-alist
+  `((?S gnus-tmp-news-server ?s)
+    (?M gnus-tmp-news-method ?s)
+    (?u gnus-tmp-user-defined ?s)
+    (?: gnus-tmp-colon ?s)))
+
+(defvar gnus-topic-topology nil
+  "The complete topic hierarchy.")
+
+(defvar gnus-topic-alist nil
+  "The complete topic-group alist.")
+
+(defvar gnus-group-marked nil)
+
+(defvar gnus-group-list-mode nil)
+
+;;;
+;;; Gnus group mode
+;;;
+
+(put 'gnus-group-mode 'mode-class 'special)
+
+(when t
+  (gnus-define-keys gnus-group-mode-map
+    " " gnus-group-read-group
+    "=" gnus-group-select-group
+    "\r" gnus-group-select-group
+    "\M-\r" gnus-group-quick-select-group
+    [(meta control return)] gnus-group-select-group-ephemerally
+    "j" gnus-group-jump-to-group
+    "n" gnus-group-next-unread-group
+    "p" gnus-group-prev-unread-group
+    "\177" gnus-group-prev-unread-group
+    [delete] gnus-group-prev-unread-group
+    "N" gnus-group-next-group
+    "P" gnus-group-prev-group
+    "\M-n" gnus-group-next-unread-group-same-level
+    "\M-p" gnus-group-prev-unread-group-same-level
+    "," gnus-group-best-unread-group
+    "." gnus-group-first-unread-group
+    "u" gnus-group-unsubscribe-current-group
+    "U" gnus-group-unsubscribe-group
+    "c" gnus-group-catchup-current
+    "C" gnus-group-catchup-current-all
+    "\M-c" gnus-group-clear-data
+    "l" gnus-group-list-groups
+    "L" gnus-group-list-all-groups
+    "m" gnus-group-mail
+    "g" gnus-group-get-new-news
+    "\M-g" gnus-group-get-new-news-this-group
+    "R" gnus-group-restart
+    "r" gnus-group-read-init-file
+    "B" gnus-group-browse-foreign-server
+    "b" gnus-group-check-bogus-groups
+    "F" gnus-find-new-newsgroups
+    "\C-c\C-d" gnus-group-describe-group
+    "\M-d" gnus-group-describe-all-groups
+    "\C-c\C-a" gnus-group-apropos
+    "\C-c\M-\C-a" gnus-group-description-apropos
+    "a" gnus-group-post-news
+    "\ek" gnus-group-edit-local-kill
+    "\eK" gnus-group-edit-global-kill
+    "\C-k" gnus-group-kill-group
+    "\C-y" gnus-group-yank-group
+    "\C-w" gnus-group-kill-region
+    "\C-x\C-t" gnus-group-transpose-groups
+    "\C-c\C-l" gnus-group-list-killed
+    "\C-c\C-x" gnus-group-expire-articles
+    "\C-c\M-\C-x" gnus-group-expire-all-groups
+    "V" gnus-version
+    "s" gnus-group-save-newsrc
+    "z" gnus-group-suspend
+    "q" gnus-group-exit
+    "Q" gnus-group-quit
+    "?" gnus-group-describe-briefly
+    "\C-c\C-i" gnus-info-find-node
+    "\M-e" gnus-group-edit-group-method
+    "^" gnus-group-enter-server-mode
+    gnus-mouse-2 gnus-mouse-pick-group
+    "<" beginning-of-buffer
+    ">" end-of-buffer
+    "\C-c\C-b" gnus-bug
+    "\C-c\C-s" gnus-group-sort-groups
+    "t" gnus-topic-mode
+    "\C-c\M-g" gnus-activate-all-groups
+    "\M-&" gnus-group-universal-argument
+    "#" gnus-group-mark-group
+    "\M-#" gnus-group-unmark-group)
+
+  (gnus-define-keys (gnus-group-mark-map "M" gnus-group-mode-map)
+    "m" gnus-group-mark-group
+    "u" gnus-group-unmark-group
+    "w" gnus-group-mark-region
+    "m" gnus-group-mark-buffer
+    "r" gnus-group-mark-regexp
+    "U" gnus-group-unmark-all-groups)
+
+  (gnus-define-keys (gnus-group-group-map "G" gnus-group-mode-map)
+    "d" gnus-group-make-directory-group
+    "h" gnus-group-make-help-group
+    "u" gnus-group-make-useful-group
+    "a" gnus-group-make-archive-group
+    "k" gnus-group-make-kiboze-group
+    "m" gnus-group-make-group
+    "E" gnus-group-edit-group
+    "e" gnus-group-edit-group-method
+    "p" gnus-group-edit-group-parameters
+    "v" gnus-group-add-to-virtual
+    "V" gnus-group-make-empty-virtual
+    "D" gnus-group-enter-directory
+    "f" gnus-group-make-doc-group
+    "w" gnus-group-make-web-group
+    "r" gnus-group-rename-group
+    "c" gnus-group-customize
+    "\177" gnus-group-delete-group
+    [delete] gnus-group-delete-group)
+
+  (gnus-define-keys (gnus-group-soup-map "s" gnus-group-group-map)
+    "b" gnus-group-brew-soup
+    "w" gnus-soup-save-areas
+    "s" gnus-soup-send-replies
+    "p" gnus-soup-pack-packet
+    "r" nnsoup-pack-replies)
+
+  (gnus-define-keys (gnus-group-sort-map "S" gnus-group-group-map)
+    "s" gnus-group-sort-groups
+    "a" gnus-group-sort-groups-by-alphabet
+    "u" gnus-group-sort-groups-by-unread
+    "l" gnus-group-sort-groups-by-level
+    "v" gnus-group-sort-groups-by-score
+    "r" gnus-group-sort-groups-by-rank
+    "m" gnus-group-sort-groups-by-method)
+
+  (gnus-define-keys (gnus-group-sort-map "P" gnus-group-group-map)
+    "s" gnus-group-sort-selected-groups
+    "a" gnus-group-sort-selected-groups-by-alphabet
+    "u" gnus-group-sort-selected-groups-by-unread
+    "l" gnus-group-sort-selected-groups-by-level
+    "v" gnus-group-sort-selected-groups-by-score
+    "r" gnus-group-sort-selected-groups-by-rank
+    "m" gnus-group-sort-selected-groups-by-method)
+
+  (gnus-define-keys (gnus-group-list-map "A" gnus-group-mode-map)
+    "k" gnus-group-list-killed
+    "z" gnus-group-list-zombies
+    "s" gnus-group-list-groups
+    "u" gnus-group-list-all-groups
+    "A" gnus-group-list-active
+    "a" gnus-group-apropos
+    "d" gnus-group-description-apropos
+    "m" gnus-group-list-matching
+    "M" gnus-group-list-all-matching
+    "l" gnus-group-list-level)
+
+  (gnus-define-keys (gnus-group-score-map "W" gnus-group-mode-map)
+    "f" gnus-score-flush-cache)
+
+  (gnus-define-keys (gnus-group-help-map "H" gnus-group-mode-map)
+    "d" gnus-group-describe-group
+    "f" gnus-group-fetch-faq)
+
+  (gnus-define-keys (gnus-group-sub-map "S" gnus-group-mode-map)
+    "l" gnus-group-set-current-level
+    "t" gnus-group-unsubscribe-current-group
+    "s" gnus-group-unsubscribe-group
+    "k" gnus-group-kill-group
+    "y" gnus-group-yank-group
+    "w" gnus-group-kill-region
+    "\C-k" gnus-group-kill-level
+    "z" gnus-group-kill-all-zombies))
+
+(defun gnus-group-make-menu-bar ()
+  (gnus-turn-off-edit-menu 'group)
+  (unless (boundp 'gnus-group-reading-menu)
+
+    (easy-menu-define
+     gnus-group-reading-menu gnus-group-mode-map ""
+     '("Group"
+       ["Read" gnus-group-read-group (gnus-group-group-name)]
+       ["Select" gnus-group-select-group (gnus-group-group-name)]
+       ["See old articles" (gnus-group-select-group 'all)
+	:keys "C-u SPC" :active (gnus-group-group-name)]
+       ["Catch up" gnus-group-catchup-current (gnus-group-group-name)]
+       ["Catch up all articles" gnus-group-catchup-current-all
+	(gnus-group-group-name)]
+       ["Check for new articles" gnus-group-get-new-news-this-group
+	(gnus-group-group-name)]
+       ["Toggle subscription" gnus-group-unsubscribe-current-group
+	(gnus-group-group-name)]
+       ["Kill" gnus-group-kill-group (gnus-group-group-name)]
+       ["Yank" gnus-group-yank-group gnus-list-of-killed-groups]
+       ["Describe" gnus-group-describe-group (gnus-group-group-name)]
+       ["Fetch FAQ" gnus-group-fetch-faq (gnus-group-group-name)]
+       ;; Actually one should check, if any of the marked groups gives t for
+       ;; (gnus-check-backend-function 'request-expire-articles ...)
+       ["Expire articles" gnus-group-expire-articles
+	(or (and (gnus-group-group-name)
+		 (gnus-check-backend-function
+		  'request-expire-articles
+		  (gnus-group-group-name))) gnus-group-marked)]
+       ["Set group level" gnus-group-set-current-level
+	(gnus-group-group-name)]
+       ["Select quick" gnus-group-quick-select-group (gnus-group-group-name)]
+       ["Customize" gnus-group-customize (gnus-group-group-name)]
+       ("Edit"
+	["Parameters" gnus-group-edit-group-parameters
+	 (gnus-group-group-name)]
+	["Select method" gnus-group-edit-group-method
+	 (gnus-group-group-name)]
+	["Info" gnus-group-edit-group (gnus-group-group-name)]
+	["Local kill file" gnus-group-edit-local-kill (gnus-group-group-name)]
+	["Global kill file" gnus-group-edit-global-kill t])
+       ))
+  
+    (easy-menu-define
+     gnus-group-group-menu gnus-group-mode-map ""
+     '("Groups"
+       ("Listing"
+	["List unread subscribed groups" gnus-group-list-groups t]
+	["List (un)subscribed groups" gnus-group-list-all-groups t]
+	["List killed groups" gnus-group-list-killed gnus-killed-list]
+	["List zombie groups" gnus-group-list-zombies gnus-zombie-list]
+	["List level..." gnus-group-list-level t]
+	["Describe all groups" gnus-group-describe-all-groups t]
+	["Group apropos..." gnus-group-apropos t]
+	["Group and description apropos..." gnus-group-description-apropos t]
+	["List groups matching..." gnus-group-list-matching t]
+	["List all groups matching..." gnus-group-list-all-matching t]
+	["List active file" gnus-group-list-active t])
+       ("Sort"
+	["Default sort" gnus-group-sort-groups t]
+	["Sort by method" gnus-group-sort-groups-by-method t]
+	["Sort by rank" gnus-group-sort-groups-by-rank t]
+	["Sort by score" gnus-group-sort-groups-by-score t]
+	["Sort by level" gnus-group-sort-groups-by-level t]
+	["Sort by unread" gnus-group-sort-groups-by-unread t]
+	["Sort by name" gnus-group-sort-groups-by-alphabet t])
+       ("Sort process/prefixed"
+	["Default sort" gnus-group-sort-selected-groups
+	 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
+	["Sort by method" gnus-group-sort-selected-groups-by-method
+	 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
+	["Sort by rank" gnus-group-sort-selected-groups-by-rank
+	 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
+	["Sort by score" gnus-group-sort-selected-groups-by-score
+	 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
+	["Sort by level" gnus-group-sort-selected-groups-by-level
+	 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
+	["Sort by unread" gnus-group-sort-selected-groups-by-unread
+	 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
+	["Sort by name" gnus-group-sort-selected-groups-by-alphabet
+	 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))])
+       ("Mark"
+	["Mark group" gnus-group-mark-group
+	 (and (gnus-group-group-name)
+	      (not (memq (gnus-group-group-name) gnus-group-marked)))]
+	["Unmark group" gnus-group-unmark-group
+	 (and (gnus-group-group-name)
+	      (memq (gnus-group-group-name) gnus-group-marked))]
+	["Unmark all" gnus-group-unmark-all-groups gnus-group-marked]
+	["Mark regexp..." gnus-group-mark-regexp t]
+	["Mark region" gnus-group-mark-region t]
+	["Mark buffer" gnus-group-mark-buffer t]
+	["Execute command" gnus-group-universal-argument
+	 (or gnus-group-marked (gnus-group-group-name))])
+       ("Subscribe"
+	["Subscribe to a group" gnus-group-unsubscribe-group t]
+	["Kill all newsgroups in region" gnus-group-kill-region t]
+	["Kill all zombie groups" gnus-group-kill-all-zombies
+	 gnus-zombie-list]
+	["Kill all groups on level..." gnus-group-kill-level t])
+       ("Foreign groups"
+	["Make a foreign group" gnus-group-make-group t]
+	["Add a directory group" gnus-group-make-directory-group t]
+	["Add the help group" gnus-group-make-help-group t]
+	["Add the archive group" gnus-group-make-archive-group t]
+	["Make a doc group" gnus-group-make-doc-group t]
+	["Make a web group" gnus-group-make-web-group t]
+	["Make a kiboze group" gnus-group-make-kiboze-group t]
+	["Make a virtual group" gnus-group-make-empty-virtual t]
+	["Add a group to a virtual" gnus-group-add-to-virtual t]
+	["Rename group" gnus-group-rename-group
+	 (gnus-check-backend-function
+	  'request-rename-group (gnus-group-group-name))]
+	["Delete group" gnus-group-delete-group
+	 (gnus-check-backend-function
+	  'request-delete-group (gnus-group-group-name))])
+       ("Move"
+	["Next" gnus-group-next-group t]
+	["Previous" gnus-group-prev-group t]
+	["Next unread" gnus-group-next-unread-group t]
+	["Previous unread" gnus-group-prev-unread-group t]
+	["Next unread same level" gnus-group-next-unread-group-same-level t]
+	["Previous unread same level"
+	 gnus-group-prev-unread-group-same-level t]
+	["Jump to group" gnus-group-jump-to-group t]
+	["First unread group" gnus-group-first-unread-group t]
+	["Best unread group" gnus-group-best-unread-group t])
+       ["Delete bogus groups" gnus-group-check-bogus-groups t]
+       ["Find new newsgroups" gnus-find-new-newsgroups t]
+       ["Transpose" gnus-group-transpose-groups
+	(gnus-group-group-name)]
+       ["Read a directory as a group..." gnus-group-enter-directory t]
+       ))
+
+    (easy-menu-define
+     gnus-group-misc-menu gnus-group-mode-map ""
+     '("Misc"
+       ("SOUP"
+	["Pack replies" nnsoup-pack-replies (fboundp 'nnsoup-request-group)]
+	["Send replies" gnus-soup-send-replies
+	 (fboundp 'gnus-soup-pack-packet)]
+	["Pack packet" gnus-soup-pack-packet (fboundp 'gnus-soup-pack-packet)]
+	["Save areas" gnus-soup-save-areas (fboundp 'gnus-soup-pack-packet)]
+	["Brew SOUP" gnus-soup-brew-soup (fboundp 'gnus-soup-pack-packet)])
+       ["Send a bug report" gnus-bug t]
+       ["Send a mail" gnus-group-mail t]
+       ["Post an article..." gnus-group-post-news t]
+       ["Check for new news" gnus-group-get-new-news t]     
+       ["Activate all groups" gnus-activate-all-groups t]
+       ["Restart Gnus" gnus-group-restart t]
+       ["Read init file" gnus-group-read-init-file t]
+       ["Browse foreign server" gnus-group-browse-foreign-server t]
+       ["Enter server buffer" gnus-group-enter-server-mode t]
+       ["Expire all expirable articles" gnus-group-expire-all-groups t]
+       ["Generate any kiboze groups" nnkiboze-generate-groups t]
+       ["Gnus version" gnus-version t]
+       ["Save .newsrc files" gnus-group-save-newsrc t]
+       ["Suspend Gnus" gnus-group-suspend t]
+       ["Clear dribble buffer" gnus-group-clear-dribble t]
+       ["Read manual" gnus-info-find-node t]
+       ["Flush score cache" gnus-score-flush-cache t]
+       ["Toggle topics" gnus-topic-mode t]
+       ["Exit from Gnus" gnus-group-exit t]
+       ["Exit without saving" gnus-group-quit t]
+       ))
+
+    (run-hooks 'gnus-group-menu-hook)))
+
+(defun gnus-group-mode ()
+  "Major mode for reading news.
+
+All normal editing commands are switched off.
+\\<gnus-group-mode-map>
+The group buffer lists (some of) the groups available.	For instance,
+`\\[gnus-group-list-groups]' will list all subscribed groups with unread articles, while `\\[gnus-group-list-zombies]'
+lists all zombie groups.
+
+Groups that are displayed can be entered with `\\[gnus-group-read-group]'.  To subscribe
+to a group not displayed, type `\\[gnus-group-unsubscribe-group]'.
+
+For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]').
+
+The following commands are available:
+
+\\{gnus-group-mode-map}"
+  (interactive)
+  (when (gnus-visual-p 'group-menu 'menu)
+    (gnus-group-make-menu-bar))
+  (kill-all-local-variables)
+  (gnus-simplify-mode-line)
+  (setq major-mode 'gnus-group-mode)
+  (setq mode-name "Group")
+  (gnus-group-set-mode-line)
+  (setq mode-line-process nil)
+  (use-local-map gnus-group-mode-map)
+  (buffer-disable-undo (current-buffer))
+  (setq truncate-lines t)
+  (setq buffer-read-only t)
+  (gnus-set-default-directory)
+  (gnus-update-format-specifications nil 'group 'group-mode)
+  (gnus-update-group-mark-positions)
+  (gnus-make-local-hook 'post-command-hook)
+  (gnus-add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
+  (when gnus-use-undo
+    (gnus-undo-mode 1))
+  (run-hooks 'gnus-group-mode-hook))
+
+(defun gnus-update-group-mark-positions ()
+  (save-excursion
+    (let ((gnus-process-mark 128)
+	  (gnus-group-marked '("dummy.group"))
+	  (gnus-active-hashtb (make-vector 10 0)))
+      (gnus-set-active "dummy.group" '(0 . 0))
+      (gnus-set-work-buffer)
+      (gnus-group-insert-group-line "dummy.group" 0 nil 0 nil)
+      (goto-char (point-min))
+      (setq gnus-group-mark-positions
+	    (list (cons 'process (and (search-forward "\200" nil t)
+				      (- (point) 2))))))))
+
+(defun gnus-clear-inboxes-moved ()
+  (setq nnmail-moved-inboxes nil))
+
+(defun gnus-mouse-pick-group (e)
+  "Enter the group under the mouse pointer."
+  (interactive "e")
+  (mouse-set-point e)
+  (gnus-group-read-group nil))
+
+;; Look at LEVEL and find out what the level is really supposed to be.
+;; If LEVEL is non-nil, LEVEL will be returned, if not, what happens
+;; will depend on whether `gnus-group-use-permanent-levels' is used.
+(defun gnus-group-default-level (&optional level number-or-nil)
+  (cond
+   (gnus-group-use-permanent-levels
+    (or (setq gnus-group-use-permanent-levels
+	      (or level (if (numberp gnus-group-use-permanent-levels)
+			    gnus-group-use-permanent-levels
+			  (or gnus-group-default-list-level
+			      gnus-level-subscribed))))
+	gnus-group-default-list-level gnus-level-subscribed))
+   (number-or-nil
+    level)
+   (t
+    (or level gnus-group-default-list-level gnus-level-subscribed))))
+
+(defun gnus-group-setup-buffer ()
+  (switch-to-buffer gnus-group-buffer)
+  (unless (eq major-mode 'gnus-group-mode)
+    (gnus-add-current-to-buffer-list)
+    (gnus-group-mode)
+    (when gnus-carpal
+      (gnus-carpal-setup-buffer 'group))))
+
+(defun gnus-group-list-groups (&optional level unread lowest)
+  "List newsgroups with level LEVEL or lower that have unread articles.
+Default is all subscribed groups.
+If argument UNREAD is non-nil, groups with no unread articles are also
+listed."
+  (interactive
+   (list (if current-prefix-arg
+	     (prefix-numeric-value current-prefix-arg)
+	   (or
+	    (gnus-group-default-level nil t)
+	    gnus-group-default-list-level
+	    gnus-level-subscribed))))
+  ;; Just do this here, for no particular good reason.
+  (gnus-clear-inboxes-moved)
+  (unless level
+    (setq level (car gnus-group-list-mode)
+	  unread (cdr gnus-group-list-mode)))
+  (setq level (gnus-group-default-level level))
+  (gnus-group-setup-buffer)
+  (gnus-update-format-specifications nil 'group 'group-mode)
+  (let ((case-fold-search nil)
+	(props (text-properties-at (point-at-bol)))
+	(empty (= (point-min) (point-max)))
+	(group (gnus-group-group-name))
+	number)
+    (set-buffer gnus-group-buffer)
+    (setq number (funcall gnus-group-prepare-function level unread lowest))
+    (when (or (and (numberp number)
+		   (zerop number))
+	      (zerop (buffer-size)))
+      ;; No groups in the buffer.
+      (gnus-message 5 gnus-no-groups-message))
+    ;; We have some groups displayed.
+    (goto-char (point-max))
+    (when (or (not gnus-group-goto-next-group-function)
+	      (not (funcall gnus-group-goto-next-group-function 
+			    group props)))
+      (cond
+       (empty
+	(goto-char (point-min)))
+       ((not group)
+	;; Go to the first group with unread articles.
+	(gnus-group-search-forward t))
+       (t
+	;; Find the right group to put point on.  If the current group
+	;; has disappeared in the new listing, try to find the next
+	;; one.  If no next one can be found, just leave point at the
+	;; first newsgroup in the buffer.
+	(when (not (gnus-goto-char
+		    (text-property-any
+		     (point-min) (point-max)
+		     'gnus-group (gnus-intern-safe
+				  group gnus-active-hashtb))))
+	  (let ((newsrc (cdddr (gnus-gethash group gnus-newsrc-hashtb))))
+	    (while (and newsrc
+			(not (gnus-goto-char
+			      (text-property-any
+			       (point-min) (point-max) 'gnus-group
+			       (gnus-intern-safe
+				(caar newsrc) gnus-active-hashtb)))))
+	      (setq newsrc (cdr newsrc)))
+	    (unless newsrc
+	      (goto-char (point-max))
+	      (forward-line -1)))))))
+    ;; Adjust cursor point.
+    (gnus-group-position-point)))
+
+(defun gnus-group-list-level (level &optional all)
+  "List groups on LEVEL.
+If ALL (the prefix), also list groups that have no unread articles."
+  (interactive "nList groups on level: \nP")
+  (gnus-group-list-groups level all level))
+
+(defun gnus-group-prepare-flat (level &optional all lowest regexp)
+  "List all newsgroups with unread articles of level LEVEL or lower.
+If ALL is non-nil, list groups that have no unread articles.
+If LOWEST is non-nil, list all newsgroups of level LOWEST or higher.
+If REGEXP, only list groups matching REGEXP."
+  (set-buffer gnus-group-buffer)
+  (let ((buffer-read-only nil)
+	(newsrc (cdr gnus-newsrc-alist))
+	(lowest (or lowest 1))
+	info clevel unread group params)
+    (erase-buffer)
+    (when (< lowest gnus-level-zombie)
+      ;; List living groups.
+      (while newsrc
+	(setq info (car newsrc)
+	      group (gnus-info-group info)
+	      params (gnus-info-params info)
+	      newsrc (cdr newsrc)
+	      unread (car (gnus-gethash group gnus-newsrc-hashtb)))
+	(and unread			; This group might be bogus
+	     (or (not regexp)
+		 (string-match regexp group))
+	     (<= (setq clevel (gnus-info-level info)) level)
+	     (>= clevel lowest)
+	     (or all			; We list all groups?
+		 (if (eq unread t)	; Unactivated?
+		     gnus-group-list-inactive-groups ; We list unactivated 
+		   (> unread 0))	; We list groups with unread articles
+		 (and gnus-list-groups-with-ticked-articles
+		      (cdr (assq 'tick (gnus-info-marks info))))
+					; And groups with tickeds
+		 ;; Check for permanent visibility.
+		 (and gnus-permanently-visible-groups
+		      (string-match gnus-permanently-visible-groups
+				    group))
+		 (memq 'visible params)
+		 (cdr (assq 'visible params)))
+	     (gnus-group-insert-group-line
+	      group (gnus-info-level info)
+	      (gnus-info-marks info) unread (gnus-info-method info)))))
+
+    ;; List dead groups.
+    (and (>= level gnus-level-zombie) (<= lowest gnus-level-zombie)
+	 (gnus-group-prepare-flat-list-dead
+	  (setq gnus-zombie-list (sort gnus-zombie-list 'string<))
+	  gnus-level-zombie ?Z
+	  regexp))
+    (and (>= level gnus-level-killed) (<= lowest gnus-level-killed)
+	 (gnus-group-prepare-flat-list-dead
+	  (setq gnus-killed-list (sort gnus-killed-list 'string<))
+	  gnus-level-killed ?K regexp))
+
+    (gnus-group-set-mode-line)
+    (setq gnus-group-list-mode (cons level all))
+    (run-hooks 'gnus-group-prepare-hook)
+    t))
+
+(defun gnus-group-prepare-flat-list-dead (groups level mark regexp)
+  ;; List zombies and killed lists somewhat faster, which was
+  ;; suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.  It does
+  ;; this by ignoring the group format specification altogether.
+  (let (group)
+    (if regexp
+	;; This loop is used when listing groups that match some
+	;; regexp.
+	(while groups
+	  (setq group (pop groups))
+	  (when (string-match regexp group)
+	    (gnus-add-text-properties
+	     (point) (prog1 (1+ (point))
+		       (insert " " mark "     *: " group "\n"))
+	     (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
+		   'gnus-unread t
+		   'gnus-level level))))
+      ;; This loop is used when listing all groups.
+      (while groups
+	(gnus-add-text-properties
+	 (point) (prog1 (1+ (point))
+		   (insert " " mark "     *: "
+			   (setq group (pop groups)) "\n"))
+	 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
+	       'gnus-unread t
+	       'gnus-level level))))))
+
+(defun gnus-group-update-group-line ()
+  "Update the current line in the group buffer."
+  (let* ((buffer-read-only nil)
+	 (group (gnus-group-group-name))
+	 (entry (and group (gnus-gethash group gnus-newsrc-hashtb)))
+	 gnus-group-indentation)
+    (when group
+      (and entry
+	   (not (gnus-ephemeral-group-p group))
+	   (gnus-dribble-enter
+	    (concat "(gnus-group-set-info '"
+		    (gnus-prin1-to-string (nth 2 entry))
+		    ")")))
+      (setq gnus-group-indentation (gnus-group-group-indentation))
+      (gnus-delete-line)
+      (gnus-group-insert-group-line-info group)
+      (forward-line -1)
+      (gnus-group-position-point))))
+
+(defun gnus-group-insert-group-line-info (group)
+  "Insert GROUP on the current line."
+  (let ((entry (gnus-gethash group gnus-newsrc-hashtb))
+	(gnus-group-indentation (gnus-group-group-indentation))
+	active info)
+    (if entry
+	(progn
+	  ;; (Un)subscribed group.
+	  (setq info (nth 2 entry))
+	  (gnus-group-insert-group-line
+	   group (gnus-info-level info) (gnus-info-marks info)
+	   (or (car entry) t) (gnus-info-method info)))
+      ;; This group is dead.
+      (gnus-group-insert-group-line
+       group
+       (if (member group gnus-zombie-list) gnus-level-zombie gnus-level-killed)
+       nil
+       (if (setq active (gnus-active group))
+	   (if (zerop (cdr active))
+	       0
+	     (- (1+ (cdr active)) (car active)))
+	 nil)
+       nil))))
+
+(defun gnus-group-insert-group-line (gnus-tmp-group gnus-tmp-level 
+						    gnus-tmp-marked number
+						    gnus-tmp-method)
+  "Insert a group line in the group buffer."
+  (let* ((gnus-tmp-active (gnus-active gnus-tmp-group))
+	 (gnus-tmp-number-total
+	  (if gnus-tmp-active
+	      (1+ (- (cdr gnus-tmp-active) (car gnus-tmp-active)))
+	    0))
+	 (gnus-tmp-number-of-unread
+	  (if (numberp number) (int-to-string (max 0 number))
+	    "*"))
+	 (gnus-tmp-number-of-read
+	  (if (numberp number)
+	      (int-to-string (max 0 (- gnus-tmp-number-total number)))
+	    "*"))
+	 (gnus-tmp-subscribed
+	  (cond ((<= gnus-tmp-level gnus-level-subscribed) ? )
+		((<= gnus-tmp-level gnus-level-unsubscribed) ?U)
+		((= gnus-tmp-level gnus-level-zombie) ?Z)
+		(t ?K)))
+	 (gnus-tmp-qualified-group (gnus-group-real-name gnus-tmp-group))
+	 (gnus-tmp-newsgroup-description
+	  (if gnus-description-hashtb
+	      (or (gnus-gethash gnus-tmp-group gnus-description-hashtb) "")
+	    ""))
+	 (gnus-tmp-moderated
+	  (if (and gnus-moderated-hashtb
+		   (gnus-gethash gnus-tmp-group gnus-moderated-hashtb))
+	      ?m ? ))
+	 (gnus-tmp-moderated-string
+	  (if (eq gnus-tmp-moderated ?m) "(m)" ""))
+	 (gnus-tmp-method
+	  (gnus-server-get-method gnus-tmp-group gnus-tmp-method))
+	 (gnus-tmp-news-server (or (cadr gnus-tmp-method) ""))
+	 (gnus-tmp-news-method (or (car gnus-tmp-method) ""))
+	 (gnus-tmp-news-method-string
+	  (if gnus-tmp-method
+	      (format "(%s:%s)" (car gnus-tmp-method)
+		      (cadr gnus-tmp-method)) ""))
+	 (gnus-tmp-marked-mark
+	  (if (and (numberp number)
+		   (zerop number)
+		   (cdr (assq 'tick gnus-tmp-marked)))
+	      ?* ? ))
+	 (gnus-tmp-process-marked
+	  (if (member gnus-tmp-group gnus-group-marked)
+	      gnus-process-mark ? ))
+	 (gnus-tmp-grouplens
+	  (or (and gnus-use-grouplens
+		   (bbb-grouplens-group-p gnus-tmp-group))
+	      ""))
+	 (buffer-read-only nil)
+	 header gnus-tmp-header)	; passed as parameter to user-funcs.
+    (beginning-of-line)
+    (gnus-add-text-properties
+     (point)
+     (prog1 (1+ (point))
+       ;; Insert the text.
+       (eval gnus-group-line-format-spec))
+     `(gnus-group ,(gnus-intern-safe gnus-tmp-group gnus-active-hashtb)
+		  gnus-unread ,(if (numberp number)
+				   (string-to-int gnus-tmp-number-of-unread)
+				 t)
+		  gnus-marked ,gnus-tmp-marked-mark
+		  gnus-indentation ,gnus-group-indentation
+		  gnus-level ,gnus-tmp-level))
+    (when (inline (gnus-visual-p 'group-highlight 'highlight))
+      (forward-line -1)
+      (run-hooks 'gnus-group-update-hook)
+      (forward-line))
+    ;; Allow XEmacs to remove front-sticky text properties.
+    (gnus-group-remove-excess-properties)))
+
+(defun gnus-group-highlight-line ()
+  "Highlight the current line according to `gnus-group-highlight'."
+  (let* ((list gnus-group-highlight)
+	 (p (point))
+	 (end (progn (end-of-line) (point)))
+	 ;; now find out where the line starts and leave point there.
+	 (beg (progn (beginning-of-line) (point)))
+	 (group (gnus-group-group-name))
+	 (entry (gnus-group-entry group))
+	 (unread (if (numberp (car entry)) (car entry) 0))
+	 (active (gnus-active group))
+	 (total (if active (1+ (- (cdr active) (car active))) 0))
+	 (info (nth 2 entry))
+	 (method (gnus-server-get-method group (gnus-info-method info)))
+	 (marked (gnus-info-marks info))
+	 (mailp (memq 'mail (assoc (symbol-name
+				    (car (or method gnus-select-method)))
+				   gnus-valid-select-methods)))
+	 (level (or (gnus-info-level info) 9))
+	 (score (or (gnus-info-score info) 0))
+	 (ticked (gnus-range-length (cdr (assq 'tick marked))))
+	 (group-age (gnus-group-timestamp-delta group))
+	 (inhibit-read-only t))
+    ;; Eval the cars of the lists until we find a match.
+    (while (and list
+		(not (eval (caar list))))
+      (setq list (cdr list)))
+    (let ((face (cdar list)))
+      (unless (eq face (get-text-property beg 'face))
+	(gnus-put-text-property 
+	 beg end 'face 
+	 (setq face (if (boundp face) (symbol-value face) face)))
+	(gnus-extent-start-open beg)))
+    (goto-char p)))
+
+(defun gnus-group-update-group (group &optional visible-only)
+  "Update all lines where GROUP appear.
+If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't
+already."
+  (save-excursion
+    (set-buffer gnus-group-buffer)
+    ;; The buffer may be narrowed.
+    (save-restriction
+      (widen)
+      (let ((ident (gnus-intern-safe group gnus-active-hashtb))
+	    (loc (point-min))
+	    found buffer-read-only)
+	;; Enter the current status into the dribble buffer.
+	(let ((entry (gnus-gethash group gnus-newsrc-hashtb)))
+	  (when (and entry (not (gnus-ephemeral-group-p group)))
+	    (gnus-dribble-enter
+	     (concat "(gnus-group-set-info '" 
+		     (gnus-prin1-to-string (nth 2 entry))
+		     ")"))))
+	;; Find all group instances.  If topics are in use, each group
+	;; may be listed in more than once.
+	(while (setq loc (text-property-any
+			  loc (point-max) 'gnus-group ident))
+	  (setq found t)
+	  (goto-char loc)
+	  (let ((gnus-group-indentation (gnus-group-group-indentation)))
+	    (gnus-delete-line)
+	    (gnus-group-insert-group-line-info group)
+	    (save-excursion
+	      (forward-line -1)
+	      (run-hooks 'gnus-group-update-group-hook)))
+	  (setq loc (1+ loc)))
+	(unless (or found visible-only)
+	  ;; No such line in the buffer, find out where it's supposed to
+	  ;; go, and insert it there (or at the end of the buffer).
+	  (if gnus-goto-missing-group-function
+	      (funcall gnus-goto-missing-group-function group)
+	    (let ((entry (cddr (gnus-gethash group gnus-newsrc-hashtb))))
+	      (while (and entry (car entry)
+			  (not
+			   (gnus-goto-char
+			    (text-property-any
+			     (point-min) (point-max)
+			     'gnus-group (gnus-intern-safe
+					  (caar entry) gnus-active-hashtb)))))
+		(setq entry (cdr entry)))
+	      (or entry (goto-char (point-max)))))
+	  ;; Finally insert the line.
+	  (let ((gnus-group-indentation (gnus-group-group-indentation)))
+	    (gnus-group-insert-group-line-info group)
+	    (save-excursion
+	      (forward-line -1)
+	      (run-hooks 'gnus-group-update-group-hook))))
+	(when gnus-group-update-group-function
+	  (funcall gnus-group-update-group-function group))
+	(gnus-group-set-mode-line)))))
+
+(defun gnus-group-set-mode-line ()
+  "Update the mode line in the group buffer."
+  (when (memq 'group gnus-updated-mode-lines)
+    ;; Yes, we want to keep this mode line updated.
+    (save-excursion
+      (set-buffer gnus-group-buffer)
+      (let* ((gformat (or gnus-group-mode-line-format-spec
+			  (setq gnus-group-mode-line-format-spec
+				(gnus-parse-format
+				 gnus-group-mode-line-format
+				 gnus-group-mode-line-format-alist))))
+	     (gnus-tmp-news-server (cadr gnus-select-method))
+	     (gnus-tmp-news-method (car gnus-select-method))
+	     (gnus-tmp-colon (if (equal gnus-tmp-news-server "") "" ":"))
+	     (max-len 60)
+	     gnus-tmp-header		;Dummy binding for user-defined formats
+	     ;; Get the resulting string.
+	     (modified 
+	      (and gnus-dribble-buffer
+		   (buffer-name gnus-dribble-buffer)
+		   (buffer-modified-p gnus-dribble-buffer)
+		   (save-excursion
+		     (set-buffer gnus-dribble-buffer)
+		     (not (zerop (buffer-size))))))
+	     (mode-string (eval gformat)))
+	;; Say whether the dribble buffer has been modified.
+	(setq mode-line-modified
+	      (if modified "---*- " "----- "))
+	;; If the line is too long, we chop it off.
+	(when (> (length mode-string) max-len)
+	  (setq mode-string (substring mode-string 0 (- max-len 4))))
+	(prog1
+	    (setq mode-line-buffer-identification 
+		  (gnus-mode-line-buffer-identification
+		   (list mode-string)))
+	  (set-buffer-modified-p modified))))))
+
+(defun gnus-group-group-name ()
+  "Get the name of the newsgroup on the current line."
+  (let ((group (get-text-property (point-at-bol) 'gnus-group)))
+    (and group (symbol-name group))))
+
+(defun gnus-group-group-level ()
+  "Get the level of the newsgroup on the current line."
+  (get-text-property (point-at-bol) 'gnus-level))
+
+(defun gnus-group-group-indentation ()
+  "Get the indentation of the newsgroup on the current line."
+  (or (get-text-property (point-at-bol) 'gnus-indentation)
+      (and gnus-group-indentation-function
+	   (funcall gnus-group-indentation-function))
+      ""))
+
+(defun gnus-group-group-unread ()
+  "Get the number of unread articles of the newsgroup on the current line."
+  (get-text-property (point-at-bol) 'gnus-unread))
+
+(defun gnus-group-new-mail (group)
+  (if (nnmail-new-mail-p (gnus-group-real-name group))
+      gnus-new-mail-mark
+    ? ))
+
+(defun gnus-group-level (group)
+  "Return the estimated level of GROUP."
+  (or (gnus-info-level (gnus-get-info group))
+      (and (member group gnus-zombie-list) 8)
+      9))
+
+(defun gnus-group-search-forward (&optional backward all level first-too)
+  "Find the next newsgroup with unread articles.
+If BACKWARD is non-nil, find the previous newsgroup instead.
+If ALL is non-nil, just find any newsgroup.
+If LEVEL is non-nil, find group with level LEVEL, or higher if no such
+group exists.
+If FIRST-TOO, the current line is also eligible as a target."
+  (let ((way (if backward -1 1))
+	(low gnus-level-killed)
+	(beg (point))
+	pos found lev)
+    (if (and backward (progn (beginning-of-line)) (bobp))
+	nil
+      (unless first-too
+	(forward-line way))
+      (while (and
+	      (not (eobp))
+	      (not (setq
+		    found
+		    (and (or all
+			     (and
+			      (let ((unread
+				     (get-text-property (point) 'gnus-unread)))
+				(and (numberp unread) (> unread 0)))
+			      (setq lev (get-text-property (point)
+							   'gnus-level))
+			      (<= lev gnus-level-subscribed)))
+			 (or (not level)
+			     (and (setq lev (get-text-property (point)
+							       'gnus-level))
+				  (or (= lev level)
+				      (and (< lev low)
+					   (< level lev)
+					   (progn
+					     (setq low lev)
+					     (setq pos (point))
+					     nil))))))))
+	      (zerop (forward-line way)))))
+    (if found
+	(progn (gnus-group-position-point) t)
+      (goto-char (or pos beg))
+      (and pos t))))
+
+;;; Gnus group mode commands
+
+;; Group marking.
+
+(defun gnus-group-mark-group (n &optional unmark no-advance)
+  "Mark the current group."
+  (interactive "p")
+  (let ((buffer-read-only nil)
+	group)
+    (while (and (> n 0)
+		(not (eobp)))
+      (when (setq group (gnus-group-group-name))
+	;; Go to the mark position.
+	(beginning-of-line)
+	(forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
+	(subst-char-in-region
+	 (point) (1+ (point)) (following-char)
+	 (if unmark
+	     (progn
+	       (setq gnus-group-marked (delete group gnus-group-marked))
+	       ? )
+	   (setq gnus-group-marked
+		 (cons group (delete group gnus-group-marked)))
+	   gnus-process-mark)))
+      (unless no-advance
+	(gnus-group-next-group 1))
+      (decf n))
+    (gnus-summary-position-point)
+    n))
+
+(defun gnus-group-unmark-group (n)
+  "Remove the mark from the current group."
+  (interactive "p")
+  (gnus-group-mark-group n 'unmark)
+  (gnus-group-position-point))
+
+(defun gnus-group-unmark-all-groups ()
+  "Unmark all groups."
+  (interactive)
+  (let ((groups gnus-group-marked))
+    (save-excursion
+      (while groups
+	(gnus-group-remove-mark (pop groups)))))
+  (gnus-group-position-point))
+
+(defun gnus-group-mark-region (unmark beg end)
+  "Mark all groups between point and mark.
+If UNMARK, remove the mark instead."
+  (interactive "P\nr")
+  (let ((num (count-lines beg end)))
+    (save-excursion
+      (goto-char beg)
+      (- num (gnus-group-mark-group num unmark)))))
+
+(defun gnus-group-mark-buffer (&optional unmark)
+  "Mark all groups in the buffer.
+If UNMARK, remove the mark instead."
+  (interactive "P")
+  (gnus-group-mark-region unmark (point-min) (point-max)))
+
+(defun gnus-group-mark-regexp (regexp)
+  "Mark all groups that match some regexp."
+  (interactive "sMark (regexp): ")
+  (let ((alist (cdr gnus-newsrc-alist))
+	group)
+    (while alist
+      (when (string-match regexp (setq group (gnus-info-group (pop alist))))
+	(gnus-group-set-mark group))))
+  (gnus-group-position-point))
+
+(defun gnus-group-remove-mark (group)
+  "Remove the process mark from GROUP and move point there.
+Return nil if the group isn't displayed."
+  (if (gnus-group-goto-group group)
+      (save-excursion
+	(gnus-group-mark-group 1 'unmark t)
+	t)
+    (setq gnus-group-marked
+	  (delete group gnus-group-marked))
+    nil))
+
+(defun gnus-group-set-mark (group)
+  "Set the process mark on GROUP."
+  (if (gnus-group-goto-group group)
+      (save-excursion
+	(gnus-group-mark-group 1 nil t))
+    (setq gnus-group-marked (cons group (delete group gnus-group-marked)))))
+
+(defun gnus-group-universal-argument (arg &optional groups func)
+  "Perform any command on all groups according to the process/prefix convention."
+  (interactive "P")
+  (if (eq (setq func (or func
+			 (key-binding
+			  (read-key-sequence
+			   (substitute-command-keys
+			    "\\<gnus-group-mode-map>\\[gnus-group-universal-argument]")))))
+	  'undefined)
+      (gnus-error 1 "Undefined key")
+    (gnus-group-iterate arg
+      (lambda (group)
+	(command-execute func))))
+  (gnus-group-position-point))
+
+(defun gnus-group-process-prefix (n)
+  "Return a list of groups to work on.
+Take into consideration N (the prefix) and the list of marked groups."
+  (cond
+   (n
+    (setq n (prefix-numeric-value n))
+    ;; There is a prefix, so we return a list of the N next
+    ;; groups.
+    (let ((way (if (< n 0) -1 1))
+	  (n (abs n))
+	  group groups)
+      (save-excursion
+	(while (and (> n 0)
+		    (setq group (gnus-group-group-name)))
+	  (push group groups)
+	  (setq n (1- n))
+	  (gnus-group-next-group way)))
+      (nreverse groups)))
+   ((and (boundp 'transient-mark-mode)
+	 transient-mark-mode
+	 (boundp 'mark-active)
+	 mark-active)
+    ;; Work on the region between point and mark.
+    (let ((max (max (point) (mark)))
+	  groups)
+      (save-excursion
+	(goto-char (min (point) (mark)))
+	(while
+	    (and
+	     (push (gnus-group-group-name) groups)
+	     (zerop (gnus-group-next-group 1))
+	     (< (point) max)))
+	(nreverse groups))))
+   (gnus-group-marked
+    ;; No prefix, but a list of marked articles.
+    (reverse gnus-group-marked))
+   (t
+    ;; Neither marked articles or a prefix, so we return the
+    ;; current group.
+    (let ((group (gnus-group-group-name)))
+      (and group (list group))))))
+
+(defun gnus-group-iterate (arg function)
+  "Iterate FUNCTION over all process/prefixed groups.
+FUNCTION will be called with the group name as the paremeter
+and with point over the group in question."
+  (let ((groups (gnus-group-process-prefix arg))
+	group)
+    (while (setq group (pop groups))
+      (gnus-group-remove-mark group)
+      (funcall function group))))
+
+(put 'gnus-group-iterate 'lisp-indent-function 1)
+
+;; Selecting groups.
+
+(defun gnus-group-read-group (&optional all no-article group)
+  "Read news in this newsgroup.
+If the prefix argument ALL is non-nil, already read articles become
+readable.  IF ALL is a number, fetch this number of articles.  If the
+optional argument NO-ARTICLE is non-nil, no article will be
+auto-selected upon group entry.	 If GROUP is non-nil, fetch that
+group."
+  (interactive "P")
+  (let ((no-display (eq all 0))
+	(group (or group (gnus-group-group-name)))
+	number active marked entry)
+    (when (eq all 0)
+      (setq all nil))
+    (unless group
+      (error "No group on current line"))
+    (setq marked (gnus-info-marks
+		  (nth 2 (setq entry (gnus-gethash
+				      group gnus-newsrc-hashtb)))))
+    ;; This group might be a dead group.  In that case we have to get
+    ;; the number of unread articles from `gnus-active-hashtb'.
+    (setq number
+	  (cond ((numberp all) all)
+		(entry (car entry))
+		((setq active (gnus-active group))
+		 (- (1+ (cdr active)) (car active)))))
+    (gnus-summary-read-group
+     group (or all (and (numberp number)
+			(zerop (+ number (gnus-range-length 
+					  (cdr (assq 'tick marked)))
+				  (gnus-range-length
+				   (cdr (assq 'dormant marked)))))))
+     no-article nil no-display)))
+
+(defun gnus-group-select-group (&optional all)
+  "Select this newsgroup.
+No article is selected automatically.
+If ALL is non-nil, already read articles become readable.
+If ALL is a number, fetch this number of articles."
+  (interactive "P")
+  (gnus-group-read-group all t))
+
+(defun gnus-group-quick-select-group (&optional all)
+  "Select the current group \"quickly\".
+This means that no highlighting or scoring will be performed.
+If ALL (the prefix argument) is 0, don't even generate the summary
+buffer."
+  (interactive "P")
+  (require 'gnus-score)
+  (let (gnus-visual
+	gnus-score-find-score-files-function
+	gnus-apply-kill-hook
+	gnus-summary-expunge-below)
+    (gnus-group-read-group all t)))
+
+(defun gnus-group-visible-select-group (&optional all)
+  "Select the current group without hiding any articles."
+  (interactive "P")
+  (let ((gnus-inhibit-limiting t))
+    (gnus-group-read-group all t)))
+
+(defun gnus-group-select-group-ephemerally ()
+  "Select the current group without doing any processing whatsoever.
+You will actually be entered into a group that's a copy of
+the current group; no changes you make while in this group will 
+be permanent."
+  (interactive)
+  (require 'gnus-score)
+  (let* (gnus-visual
+	 gnus-score-find-score-files-function gnus-apply-kill-hook
+	 gnus-summary-expunge-below gnus-show-threads gnus-suppress-duplicates
+	 gnus-summary-mode-hook gnus-select-group-hook
+	 (group (gnus-group-group-name))
+	 (method (gnus-find-method-for-group group)))
+    (setq method
+	  `(,(car method) ,(concat (cadr method) "-ephemeral")
+	    (,(intern (format "%s-address" (car method))) ,(cadr method))
+	    ,@(cddr method)))
+    (gnus-group-read-ephemeral-group 
+     (gnus-group-prefixed-name group method) method)))
+
+;;;###autoload
+(defun gnus-fetch-group (group)
+  "Start Gnus if necessary and enter GROUP.
+Returns whether the fetching was successful or not."
+  (interactive "sGroup name: ")
+  (unless (get-buffer gnus-group-buffer)
+    (gnus))
+  (gnus-group-read-group nil nil group))
+
+;; Enter a group that is not in the group buffer.  Non-nil is returned
+;; if selection was successful.
+(defun gnus-group-read-ephemeral-group (group method &optional activate 
+					      quit-config request-only)
+  "Read GROUP from METHOD as an ephemeral group.
+If ACTIVATE, request the group first.
+If QUIT-CONFIG, use that window configuration when exiting from the
+ephemeral group.
+If REQUEST-ONLY, don't actually read the group; just request it.
+
+Return the name of the group is selection was successful."
+  (let ((group (if (gnus-group-foreign-p group) group
+		 (gnus-group-prefixed-name group method))))
+    (gnus-sethash
+     group
+     `(-1 nil (,group 
+	       ,gnus-level-default-subscribed nil nil ,method
+	       ((quit-config .
+			     ,(if quit-config quit-config
+				(cons gnus-summary-buffer
+				      gnus-current-window-configuration))))))
+     gnus-newsrc-hashtb)
+    (set-buffer gnus-group-buffer)
+    (unless (gnus-check-server method)
+      (error "Unable to contact server: %s" (gnus-status-message method)))
+    (when activate
+      (gnus-activate-group group 'scan)
+      (unless (gnus-request-group group)
+	(error "Couldn't request group: %s" 
+	       (nnheader-get-report (car method)))))
+    (if request-only
+	group
+      (condition-case ()
+	  (when (gnus-group-read-group t t group)
+	    group)
+	;;(error nil)
+	(quit nil)))))
+
+(defun gnus-group-jump-to-group (group)
+  "Jump to newsgroup GROUP."
+  (interactive
+   (list (completing-read
+	  "Group: " gnus-active-hashtb nil
+	  (gnus-read-active-file-p)
+	  nil
+	  'gnus-group-history)))
+
+  (when (equal group "")
+    (error "Empty group name"))
+
+  (unless (gnus-ephemeral-group-p group)
+    ;; Either go to the line in the group buffer...
+    (unless (gnus-group-goto-group group)
+      ;; ... or insert the line.
+      (gnus-group-update-group group)
+      (gnus-group-goto-group group)))
+  ;; Adjust cursor point.
+  (gnus-group-position-point))
+
+(defun gnus-group-goto-group (group &optional far)
+  "Goto to newsgroup GROUP.
+If FAR, it is likely that the group is not on the current line."
+  (when group
+    (if far
+	(gnus-goto-char
+	 (text-property-any 
+	  (point-min) (point-max)
+	  'gnus-group (gnus-intern-safe group gnus-active-hashtb)))
+      (beginning-of-line)
+      (cond
+       ;; It's quite likely that we are on the right line, so
+       ;; we check the current line first.
+       ((eq (get-text-property (point) 'gnus-group)
+	    (gnus-intern-safe group gnus-active-hashtb))
+	(point))
+       ;; Previous and next line are also likely, so we check them as well.
+       ((save-excursion
+	  (forward-line -1)
+	  (eq (get-text-property (point) 'gnus-group)
+	      (gnus-intern-safe group gnus-active-hashtb)))
+	(forward-line -1)
+	(point))
+       ((save-excursion
+	  (forward-line 1)
+	  (eq (get-text-property (point) 'gnus-group)
+	      (gnus-intern-safe group gnus-active-hashtb)))
+	(forward-line 1)
+	(point))
+       (t
+	;; Search through the entire buffer.
+	(gnus-goto-char
+	 (text-property-any 
+	  (point-min) (point-max)
+	  'gnus-group (gnus-intern-safe group gnus-active-hashtb))))))))
+
+(defun gnus-group-next-group (n &optional silent)
+  "Go to next N'th newsgroup.
+If N is negative, search backward instead.
+Returns the difference between N and the number of skips actually
+done."
+  (interactive "p")
+  (gnus-group-next-unread-group n t nil silent))
+
+(defun gnus-group-next-unread-group (n &optional all level silent)
+  "Go to next N'th unread newsgroup.
+If N is negative, search backward instead.
+If ALL is non-nil, choose any newsgroup, unread or not.
+If LEVEL is non-nil, choose the next group with level LEVEL, or, if no
+such group can be found, the next group with a level higher than
+LEVEL.
+Returns the difference between N and the number of skips actually
+made."
+  (interactive "p")
+  (let ((backward (< n 0))
+	(n (abs n)))
+    (while (and (> n 0)
+		(gnus-group-search-forward
+		 backward (or (not gnus-group-goto-unread) all) level))
+      (setq n (1- n)))
+    (when (and (/= 0 n)
+	       (not silent))
+      (gnus-message 7 "No more%s newsgroups%s" (if all "" " unread")
+		    (if level " on this level or higher" "")))
+    n))
+
+(defun gnus-group-prev-group (n)
+  "Go to previous N'th newsgroup.
+Returns the difference between N and the number of skips actually
+done."
+  (interactive "p")
+  (gnus-group-next-unread-group (- n) t))
+
+(defun gnus-group-prev-unread-group (n)
+  "Go to previous N'th unread newsgroup.
+Returns the difference between N and the number of skips actually
+done."
+  (interactive "p")
+  (gnus-group-next-unread-group (- n)))
+
+(defun gnus-group-next-unread-group-same-level (n)
+  "Go to next N'th unread newsgroup on the same level.
+If N is negative, search backward instead.
+Returns the difference between N and the number of skips actually
+done."
+  (interactive "p")
+  (gnus-group-next-unread-group n t (gnus-group-group-level))
+  (gnus-group-position-point))
+
+(defun gnus-group-prev-unread-group-same-level (n)
+  "Go to next N'th unread newsgroup on the same level.
+Returns the difference between N and the number of skips actually
+done."
+  (interactive "p")
+  (gnus-group-next-unread-group (- n) t (gnus-group-group-level))
+  (gnus-group-position-point))
+
+(defun gnus-group-best-unread-group (&optional exclude-group)
+  "Go to the group with the highest level.
+If EXCLUDE-GROUP, do not go to that group."
+  (interactive)
+  (goto-char (point-min))
+  (let ((best 100000)
+	unread best-point)
+    (while (not (eobp))
+      (setq unread (get-text-property (point) 'gnus-unread))
+      (when (and (numberp unread) (> unread 0))
+	(when (and (get-text-property (point) 'gnus-level)
+		   (< (get-text-property (point) 'gnus-level) best)
+		   (or (not exclude-group)
+		       (not (equal exclude-group (gnus-group-group-name)))))
+	  (setq best (get-text-property (point) 'gnus-level))
+	  (setq best-point (point))))
+      (forward-line 1))
+    (when best-point
+      (goto-char best-point))
+    (gnus-summary-position-point)
+    (and best-point (gnus-group-group-name))))
+
+(defun gnus-group-first-unread-group ()
+  "Go to the first group with unread articles."
+  (interactive)
+  (prog1
+      (let ((opoint (point))
+	    unread)
+	(goto-char (point-min))
+	(if (or (eq (setq unread (gnus-group-group-unread)) t) ; Not active.
+		(and (numberp unread)	; Not a topic.
+		     (not (zerop unread))) ; Has unread articles.
+		(zerop (gnus-group-next-unread-group 1))) ; Next unread group.
+	    (point)			; Success.
+	  (goto-char opoint)
+	  nil))				; Not success.
+    (gnus-group-position-point)))
+
+(defun gnus-group-enter-server-mode ()
+  "Jump to the server buffer."
+  (interactive)
+  (gnus-enter-server-buffer))
+
+(defun gnus-group-make-group (name &optional method address args)
+  "Add a new newsgroup.
+The user will be prompted for a NAME, for a select METHOD, and an
+ADDRESS."
+  (interactive
+   (list
+    (gnus-read-group "Group name: ")
+    (gnus-read-method "From method: ")))
+
+  (let* ((meth (when (and method
+			  (not (gnus-server-equal method gnus-select-method)))
+		 (if address (list (intern method) address)
+		   method)))
+	 (nname (if method (gnus-group-prefixed-name name meth) name))
+	 backend info)
+    (when (gnus-gethash nname gnus-newsrc-hashtb)
+      (error "Group %s already exists" nname))
+    ;; Subscribe to the new group.
+    (gnus-group-change-level
+     (setq info (list t nname gnus-level-default-subscribed nil nil meth))
+     gnus-level-default-subscribed gnus-level-killed
+     (and (gnus-group-group-name)
+	  (gnus-gethash (gnus-group-group-name)
+			gnus-newsrc-hashtb))
+     t)
+    ;; Make it active.
+    (gnus-set-active nname (cons 1 0))
+    (unless (gnus-ephemeral-group-p name)
+      (gnus-dribble-enter
+       (concat "(gnus-group-set-info '" 
+	       (gnus-prin1-to-string (cdr info)) ")")))
+    ;; Insert the line.
+    (gnus-group-insert-group-line-info nname)
+    (forward-line -1)
+    (gnus-group-position-point)
+
+    ;; Load the backend and try to make the backend create
+    ;; the group as well.
+    (when (assoc (symbol-name (setq backend (car (gnus-server-get-method
+						  nil meth))))
+		 gnus-valid-select-methods)
+      (require backend))
+    (gnus-check-server meth)
+    (when (gnus-check-backend-function 'request-create-group nname)
+      (gnus-request-create-group nname nil args))
+    t))
+
+(defun gnus-group-delete-group (group &optional force)
+  "Delete the current group.  Only meaningful with mail groups.
+If FORCE (the prefix) is non-nil, all the articles in the group will
+be deleted.  This is \"deleted\" as in \"removed forever from the face
+of the Earth\".	 There is no undo.  The user will be prompted before
+doing the deletion."
+  (interactive
+   (list (gnus-group-group-name)
+	 current-prefix-arg))
+  (unless group
+    (error "No group to rename"))
+  (unless (gnus-check-backend-function 'request-delete-group group)
+    (error "This backend does not support group deletion"))
+  (prog1
+      (if (not (gnus-yes-or-no-p
+		(format
+		 "Do you really want to delete %s%s? "
+		 group (if force " and all its contents" ""))))
+	  ()				; Whew!
+	(gnus-message 6 "Deleting group %s..." group)
+	(if (not (gnus-request-delete-group group force))
+	    (gnus-error 3 "Couldn't delete group %s" group)
+	  (gnus-message 6 "Deleting group %s...done" group)
+	  (gnus-group-goto-group group)
+	  (gnus-group-kill-group 1 t)
+	  (gnus-sethash group nil gnus-active-hashtb)
+	  t))
+    (gnus-group-position-point)))
+
+(defun gnus-group-rename-group (group new-name)
+  "Rename group from GROUP to NEW-NAME.
+When used interactively, GROUP is the group under point
+and NEW-NAME will be prompted for."
+  (interactive
+   (list
+    (gnus-group-group-name)
+    (progn
+      (unless (gnus-check-backend-function
+	       'request-rename-group (gnus-group-group-name))
+	(error "This backend does not support renaming groups"))
+      (gnus-read-group "Rename group to: "
+		       (gnus-group-real-name (gnus-group-group-name))))))
+
+  (unless (gnus-check-backend-function 'request-rename-group group)
+    (error "This backend does not support renaming groups"))
+  (unless group 
+    (error "No group to rename"))
+  (when (equal (gnus-group-real-name group) new-name)
+    (error "Can't rename to the same name"))
+
+  ;; We find the proper prefixed name.
+  (setq new-name
+	(if (equal (gnus-group-real-name new-name) new-name)
+	    ;; Native group.
+	    new-name
+	  ;; Foreign group.
+	  (gnus-group-prefixed-name
+	   (gnus-group-real-name new-name)
+	   (gnus-info-method (gnus-get-info group)))))
+
+  (gnus-message 6 "Renaming group %s to %s..." group new-name)
+  (prog1
+      (if (not (gnus-request-rename-group group new-name))
+	  (gnus-error 3 "Couldn't rename group %s to %s" group new-name)
+	;; We rename the group internally by killing it...
+	(gnus-group-goto-group group)
+	(gnus-group-kill-group)
+	;; ... changing its name ...
+	(setcar (cdar gnus-list-of-killed-groups) new-name)
+	;; ... and then yanking it.  Magic!
+	(gnus-group-yank-group)
+	(gnus-set-active new-name (gnus-active group))
+	(gnus-message 6 "Renaming group %s to %s...done" group new-name)
+	new-name)
+    (gnus-group-position-point)))
+
+(defun gnus-group-edit-group (group &optional part)
+  "Edit the group on the current line."
+  (interactive (list (gnus-group-group-name)))
+  (let ((part (or part 'info))
+	info)
+    (unless group
+      (error "No group on current line"))
+    (unless (setq info (gnus-get-info group))
+      (error "Killed group; can't be edited"))
+    (gnus-close-group group)
+    (gnus-edit-form
+     ;; Find the proper form to edit.
+     (cond ((eq part 'method)
+	    (or (gnus-info-method info) "native"))
+	   ((eq part 'params)
+	    (gnus-info-params info))
+	   (t info))
+     ;; The proper documentation.
+     (format
+      "Editing the %s."
+      (cond
+       ((eq part 'method) "select method")
+       ((eq part 'params) "group parameters")
+       (t "group info")))
+     `(lambda (form)
+	(gnus-group-edit-group-done ',part ,group form)))))
+
+(defun gnus-group-edit-group-method (group)
+  "Edit the select method of GROUP."
+  (interactive (list (gnus-group-group-name)))
+  (gnus-group-edit-group group 'method))
+
+(defun gnus-group-edit-group-parameters (group)
+  "Edit the group parameters of GROUP."
+  (interactive (list (gnus-group-group-name)))
+  (gnus-group-edit-group group 'params))
+
+(defun gnus-group-edit-group-done (part group form)
+  "Update variables."
+  (let* ((method (cond ((eq part 'info) (nth 4 form))
+		       ((eq part 'method) form)
+		       (t nil)))
+	 (info (cond ((eq part 'info) form)
+		     ((eq part 'method) (gnus-get-info group))
+		     (t nil)))
+	 (new-group (if info
+			(if (or (not method)
+				(gnus-server-equal
+				 gnus-select-method method))
+			    (gnus-group-real-name (car info))
+			  (gnus-group-prefixed-name
+			   (gnus-group-real-name (car info)) method))
+		      nil)))
+    (when (and new-group
+	       (not (equal new-group group)))
+      (when (gnus-group-goto-group group)
+	(gnus-group-kill-group 1))
+      (gnus-activate-group new-group))
+    ;; Set the info.
+    (if (not (and info new-group))
+	(gnus-group-set-info form (or new-group group) part)
+      (setq info (gnus-copy-sequence info))
+      (setcar info new-group)
+      (unless (gnus-server-equal method "native")
+	(unless (nthcdr 3 info)
+	  (nconc info (list nil nil)))
+	(unless (nthcdr 4 info)
+	  (nconc info (list nil)))
+	(gnus-info-set-method info method))
+      (gnus-group-set-info info))
+    (gnus-group-update-group (or new-group group))
+    (gnus-group-position-point)))
+
+(defun gnus-group-make-useful-group (group method)
+  (interactive
+   (let ((entry (assoc (completing-read "Create group: " gnus-useful-groups
+					nil t)
+		       gnus-useful-groups)))
+     (list (cadr entry) (caddr entry))))
+  (setq method (gnus-copy-sequence method))
+  (let (entry)
+    (while (setq entry (memq (assq 'eval method) method))
+      (setcar entry (eval (cadar entry)))))
+  (gnus-group-make-group group method))
+
+(defun gnus-group-make-help-group ()
+  "Create the Gnus documentation group."
+  (interactive)
+  (let ((name (gnus-group-prefixed-name "gnus-help" '(nndoc "gnus-help")))
+	(file (nnheader-find-etc-directory "gnus-tut.txt" t))
+	dir)
+    (when (gnus-gethash name gnus-newsrc-hashtb)
+      (error "Documentation group already exists"))
+    (if (not file)
+	(gnus-message 1 "Couldn't find doc group")
+      (gnus-group-make-group
+       (gnus-group-real-name name)
+       (list 'nndoc "gnus-help"
+	     (list 'nndoc-address file)
+	     (list 'nndoc-article-type 'mbox)))))
+  (gnus-group-position-point))
+
+(defun gnus-group-make-doc-group (file type)
+  "Create a group that uses a single file as the source."
+  (interactive
+   (list (read-file-name "File name: ")
+	 (and current-prefix-arg 'ask)))
+  (when (eq type 'ask)
+    (let ((err "")
+	  char found)
+      (while (not found)
+	(message
+	 "%sFile type (mbox, babyl, digest, forward, mmdf, guess) [mbdfag]: "
+	 err)
+	(setq found (cond ((= (setq char (read-char)) ?m) 'mbox)
+			  ((= char ?b) 'babyl)
+			  ((= char ?d) 'digest)
+			  ((= char ?f) 'forward)
+			  ((= char ?a) 'mmfd)
+			  (t (setq err (format "%c unknown. " char))
+			     nil))))
+      (setq type found)))
+  (let* ((file (expand-file-name file))
+	 (name (gnus-generate-new-group-name
+		(gnus-group-prefixed-name
+		 (file-name-nondirectory file) '(nndoc "")))))
+    (gnus-group-make-group
+     (gnus-group-real-name name)
+     (list 'nndoc file
+	   (list 'nndoc-address file)
+	   (list 'nndoc-article-type (or type 'guess))))))
+
+(defvar nnweb-type-definition)
+(defvar gnus-group-web-type-history nil)
+(defvar gnus-group-web-search-history nil)
+(defun gnus-group-make-web-group (&optional solid)
+  "Create an ephemeral nnweb group.
+If SOLID (the prefix), create a solid group."
+  (interactive "P")
+  (require 'nnweb)
+  (let* ((group
+	  (if solid (gnus-read-group "Group name: ")
+	    (message-unique-id)))
+	 (type
+	  (completing-read
+	   "Search engine type: "
+	   (mapcar (lambda (elem) (list (symbol-name (car elem))))
+		   nnweb-type-definition)
+	   nil t (cons (or (car gnus-group-web-type-history)
+			   (symbol-name (caar nnweb-type-definition)))
+		       0)
+	   'gnus-group-web-type-history))
+	 (search
+	  (read-string 
+	   "Search string: " 
+	   (cons (or (car gnus-group-web-search-history) "") 0)
+	   'gnus-group-web-search-history))
+	 (method
+	  `(nnweb ,group (nnweb-search ,search)
+		  (nnweb-type ,(intern type))
+		  (nnweb-ephemeral-p t))))
+    (if solid
+	(gnus-group-make-group group "nnweb" "" `(,(intern type) ,search))
+      (gnus-group-read-ephemeral-group
+       group method t
+       (cons (current-buffer)
+	     (if (eq major-mode 'gnus-summary-mode) 'summary 'group))))))
+
+(defun gnus-group-make-archive-group (&optional all)
+  "Create the (ding) Gnus archive group of the most recent articles.
+Given a prefix, create a full group."
+  (interactive "P")
+  (let ((group (gnus-group-prefixed-name
+		(if all "ding.archives" "ding.recent") '(nndir ""))))
+    (when (gnus-gethash group gnus-newsrc-hashtb)
+      (error "Archive group already exists"))
+    (gnus-group-make-group
+     (gnus-group-real-name group)
+     (list 'nndir (if all "hpc" "edu")
+	   (list 'nndir-directory
+		 (if all gnus-group-archive-directory
+		   gnus-group-recent-archive-directory))))
+    (gnus-group-add-parameter group (cons 'to-address "ding@ifi.uio.no"))))
+
+(defun gnus-group-make-directory-group (dir)
+  "Create an nndir group.
+The user will be prompted for a directory.  The contents of this
+directory will be used as a newsgroup.	The directory should contain
+mail messages or news articles in files that have numeric names."
+  (interactive
+   (list (read-file-name "Create group from directory: ")))
+  (unless (file-exists-p dir)
+    (error "No such directory"))
+  (unless (file-directory-p dir)
+    (error "Not a directory"))
+  (let ((ext "")
+	(i 0)
+	group)
+    (while (or (not group) (gnus-gethash group gnus-newsrc-hashtb))
+      (setq group
+	    (gnus-group-prefixed-name
+	     (concat (file-name-as-directory (directory-file-name dir))
+		     ext)
+	     '(nndir "")))
+      (setq ext (format "<%d>" (setq i (1+ i)))))
+    (gnus-group-make-group
+     (gnus-group-real-name group)
+     (list 'nndir (gnus-group-real-name group) (list 'nndir-directory dir)))))
+
+(defun gnus-group-make-kiboze-group (group address scores)
+  "Create an nnkiboze group.
+The user will be prompted for a name, a regexp to match groups, and
+score file entries for articles to include in the group."
+  (interactive
+   (list
+    (read-string "nnkiboze group name: ")
+    (read-string "Source groups (regexp): ")
+    (let ((headers (mapcar (lambda (group) (list group))
+			   '("subject" "from" "number" "date" "message-id"
+			     "references" "chars" "lines" "xref"
+			     "followup" "all" "body" "head")))
+	  scores header regexp regexps)
+      (while (not (equal "" (setq header (completing-read
+					  "Match on header: " headers nil t))))
+	(setq regexps nil)
+	(while (not (equal "" (setq regexp (read-string
+					    (format "Match on %s (string): "
+						    header)))))
+	  (push (list regexp nil nil 'r) regexps))
+	(push (cons header regexps) scores))
+      scores)))
+  (gnus-group-make-group group "nnkiboze" address)
+  (nnheader-temp-write (gnus-score-file-name (concat "nnkiboze:" group))
+    (let (emacs-lisp-mode-hook)
+      (pp scores (current-buffer)))))
+
+(defun gnus-group-add-to-virtual (n vgroup)
+  "Add the current group to a virtual group."
+  (interactive
+   (list current-prefix-arg
+	 (completing-read "Add to virtual group: " gnus-newsrc-hashtb nil t
+			  "nnvirtual:")))
+  (unless (eq (car (gnus-find-method-for-group vgroup)) 'nnvirtual)
+    (error "%s is not an nnvirtual group" vgroup))
+  (gnus-close-group vgroup)
+  (let* ((groups (gnus-group-process-prefix n))
+	 (method (gnus-info-method (gnus-get-info vgroup))))
+    (setcar (cdr method)
+	    (concat
+	     (nth 1 method) "\\|"
+	     (mapconcat
+	      (lambda (s)
+		(gnus-group-remove-mark s)
+		(concat "\\(^" (regexp-quote s) "$\\)"))
+	      groups "\\|"))))
+  (gnus-group-position-point))
+
+(defun gnus-group-make-empty-virtual (group)
+  "Create a new, fresh, empty virtual group."
+  (interactive "sCreate new, empty virtual group: ")
+  (let* ((method (list 'nnvirtual "^$"))
+	 (pgroup (gnus-group-prefixed-name group method)))
+    ;; Check whether it exists already.
+    (when (gnus-gethash pgroup gnus-newsrc-hashtb)
+      (error "Group %s already exists." pgroup))
+    ;; Subscribe the new group after the group on the current line.
+    (gnus-subscribe-group pgroup (gnus-group-group-name) method)
+    (gnus-group-update-group pgroup)
+    (forward-line -1)
+    (gnus-group-position-point)))
+
+(defun gnus-group-enter-directory (dir)
+  "Enter an ephemeral nneething group."
+  (interactive "DDirectory to read: ")
+  (let* ((method (list 'nneething dir '(nneething-read-only t)))
+	 (leaf (gnus-group-prefixed-name
+		(file-name-nondirectory (directory-file-name dir))
+		method))
+	 (name (gnus-generate-new-group-name leaf)))
+    (unless (gnus-group-read-ephemeral-group
+	     name method t
+	     (cons (current-buffer)
+		   (if (eq major-mode 'gnus-summary-mode)
+		       'summary 'group)))
+      (error "Couldn't enter %s" dir))))
+
+;; Group sorting commands
+;; Suggested by Joe Hildebrand <hildjj@idaho.fuentez.com>.
+
+(defun gnus-group-sort-groups (func &optional reverse)
+  "Sort the group buffer according to FUNC.
+If REVERSE, reverse the sorting order."
+  (interactive (list gnus-group-sort-function current-prefix-arg))
+  (funcall gnus-group-sort-alist-function
+	   (gnus-make-sort-function func) reverse)
+  (gnus-group-list-groups))
+
+(defun gnus-group-sort-flat (func reverse)
+  ;; We peel off the dummy group from the alist.
+  (when func
+    (when (equal (car (gnus-info-group gnus-newsrc-alist)) "dummy.group")
+      (pop gnus-newsrc-alist))
+    ;; Do the sorting.
+    (setq gnus-newsrc-alist
+	  (sort gnus-newsrc-alist func))
+    (when reverse
+      (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist)))
+    ;; Regenerate the hash table.
+    (gnus-make-hashtable-from-newsrc-alist)))
+
+(defun gnus-group-sort-groups-by-alphabet (&optional reverse)
+  "Sort the group buffer alphabetically by group name.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-groups 'gnus-group-sort-by-alphabet reverse))
+
+(defun gnus-group-sort-groups-by-unread (&optional reverse)
+  "Sort the group buffer by number of unread articles.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-groups 'gnus-group-sort-by-unread reverse))
+
+(defun gnus-group-sort-groups-by-level (&optional reverse)
+  "Sort the group buffer by group level.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-groups 'gnus-group-sort-by-level reverse))
+
+(defun gnus-group-sort-groups-by-score (&optional reverse)
+  "Sort the group buffer by group score.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-groups 'gnus-group-sort-by-score reverse))
+
+(defun gnus-group-sort-groups-by-rank (&optional reverse)
+  "Sort the group buffer by group rank.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-groups 'gnus-group-sort-by-rank reverse))
+
+(defun gnus-group-sort-groups-by-method (&optional reverse)
+  "Sort the group buffer alphabetically by backend name.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-groups 'gnus-group-sort-by-method reverse))
+
+;;; Selected group sorting.
+
+(defun gnus-group-sort-selected-groups (n func &optional reverse)
+  "Sort the process/prefixed groups."
+  (interactive (list current-prefix-arg gnus-group-sort-function))
+  (let ((groups (gnus-group-process-prefix n)))
+    (funcall gnus-group-sort-selected-function
+	     groups (gnus-make-sort-function func) reverse)
+    (gnus-group-list-groups)))
+
+(defun gnus-group-sort-selected-flat (groups func reverse)
+  (let (entries infos)
+    ;; First find all the group entries for these groups.
+    (while groups
+      (push (nthcdr 2 (gnus-gethash (pop groups) gnus-newsrc-hashtb))
+	    entries))
+    ;; Then sort the infos.
+    (setq infos
+	  (sort
+	   (mapcar
+	    (lambda (entry) (car entry))
+	    (setq entries (nreverse entries)))
+	   func))
+    (when reverse
+      (setq infos (nreverse infos)))
+    ;; Go through all the infos and replace the old entries
+    ;; with the new infos.
+    (while infos
+      (setcar entries (pop infos))
+      (pop entries))
+    ;; Update the hashtable.
+    (gnus-make-hashtable-from-newsrc-alist)))
+
+(defun gnus-group-sort-selected-groups-by-alphabet (&optional reverse)
+  "Sort the group buffer alphabetically by group name.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-selected-groups 'gnus-group-sort-by-alphabet reverse))
+
+(defun gnus-group-sort-selected-groups-by-unread (&optional reverse)
+  "Sort the group buffer by number of unread articles.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-selected-groups 'gnus-group-sort-by-unread reverse))
+
+(defun gnus-group-sort-selected-groups-by-level (&optional reverse)
+  "Sort the group buffer by group level.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-selected-groups 'gnus-group-sort-by-level reverse))
+
+(defun gnus-group-sort-selected-groups-by-score (&optional reverse)
+  "Sort the group buffer by group score.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-selected-groups 'gnus-group-sort-by-score reverse))
+
+(defun gnus-group-sort-selected-groups-by-rank (&optional reverse)
+  "Sort the group buffer by group rank.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-selected-groups 'gnus-group-sort-by-rank reverse))
+
+(defun gnus-group-sort-selected-groups-by-method (&optional reverse)
+  "Sort the group buffer alphabetically by backend name.
+If REVERSE, sort in reverse order."
+  (interactive "P")
+  (gnus-group-sort-selected-groups 'gnus-group-sort-by-method reverse))
+
+;;; Sorting predicates.
+
+(defun gnus-group-sort-by-alphabet (info1 info2)
+  "Sort alphabetically."
+  (string< (gnus-info-group info1) (gnus-info-group info2)))
+
+(defun gnus-group-sort-by-real-name (info1 info2)
+  "Sort alphabetically on real (unprefixed) names."
+  (string< (gnus-group-real-name (gnus-info-group info1))
+	   (gnus-group-real-name (gnus-info-group info2))))
+
+(defun gnus-group-sort-by-unread (info1 info2)
+  "Sort by number of unread articles."
+  (let ((n1 (car (gnus-gethash (gnus-info-group info1) gnus-newsrc-hashtb)))
+	(n2 (car (gnus-gethash (gnus-info-group info2) gnus-newsrc-hashtb))))
+    (< (or (and (numberp n1) n1) 0)
+       (or (and (numberp n2) n2) 0))))
+
+(defun gnus-group-sort-by-level (info1 info2)
+  "Sort by level."
+  (< (gnus-info-level info1) (gnus-info-level info2)))
+
+(defun gnus-group-sort-by-method (info1 info2)
+  "Sort alphabetically by backend name."
+  (string< (symbol-name (car (gnus-find-method-for-group
+			      (gnus-info-group info1) info1)))
+	   (symbol-name (car (gnus-find-method-for-group
+			      (gnus-info-group info2) info2)))))
+
+(defun gnus-group-sort-by-score (info1 info2)
+  "Sort by group score."
+  (< (gnus-info-score info1) (gnus-info-score info2)))
+
+(defun gnus-group-sort-by-rank (info1 info2)
+  "Sort by level and score."
+  (let ((level1 (gnus-info-level info1))
+	(level2 (gnus-info-level info2)))
+    (or (< level1 level2)
+	(and (= level1 level2)
+	     (> (gnus-info-score info1) (gnus-info-score info2))))))
+
+;;; Clearing data
+
+(defun gnus-group-clear-data (&optional arg)
+  "Clear all marks and read ranges from the current group."
+  (interactive "P")
+  (gnus-group-iterate arg
+    (lambda (group)
+      (let (info)
+	(gnus-info-clear-data (setq info (gnus-get-info group)))
+	(gnus-get-unread-articles-in-group info (gnus-active group) t)
+	(when (gnus-group-goto-group group)
+	  (gnus-group-update-group-line))))))
+
+(defun gnus-group-clear-data-on-native-groups ()
+  "Clear all marks and read ranges from all native groups."
+  (interactive)
+  (when (gnus-yes-or-no-p "Really clear all data from almost all groups? ")
+    (let ((alist (cdr gnus-newsrc-alist))
+	  info)
+      (while (setq info (pop alist))
+	(when (gnus-group-native-p (gnus-info-group info))
+	  (gnus-info-clear-data info)))
+      (gnus-get-unread-articles)
+      (gnus-dribble-enter "")
+      (when (gnus-y-or-n-p 
+	     "Move the cache away to avoid problems in the future? ")
+	(call-interactively 'gnus-cache-move-cache)))))
+
+(defun gnus-info-clear-data (info)
+  "Clear all marks and read ranges from INFO."
+  (let ((group (gnus-info-group info)))
+    (gnus-undo-register
+      `(progn
+	 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
+	 (gnus-info-set-read ',info ',(gnus-info-read info))
+	 (when (gnus-group-goto-group ,group)
+	   (gnus-group-update-group-line))))
+    (gnus-info-set-read info nil)
+    (when (gnus-info-marks info)
+      (gnus-info-set-marks info nil))))
+
+;; Group catching up.
+
+(defun gnus-group-catchup-current (&optional n all)
+  "Mark all articles not marked as unread in current newsgroup as read.
+If prefix argument N is numeric, the ARG next newsgroups will be
+caught up.  If ALL is non-nil, marked articles will also be marked as
+read.  Cross references (Xref: header) of articles are ignored.
+The difference between N and actual number of newsgroups that were
+caught up is returned."
+  (interactive "P")
+  (unless (gnus-group-group-name)
+    (error "No group on the current line"))
+  (let ((groups (gnus-group-process-prefix n))
+	(ret 0))
+    (if (not
+	 (or (not gnus-interactive-catchup) ;Without confirmation?
+	     gnus-expert-user
+	     (gnus-y-or-n-p
+	      (format
+	       (if all
+		   "Do you really want to mark all articles in %s as read? "
+		 "Mark all unread articles in %s as read? ")
+	       (if (= (length groups) 1)
+		   (car groups)
+		 (format "these %d groups" (length groups)))))))
+	n
+      (while groups
+	;; Virtual groups have to be given special treatment.
+	(let ((method (gnus-find-method-for-group (car groups))))
+	  (when (eq 'nnvirtual (car method))
+	    (nnvirtual-catchup-group
+	     (gnus-group-real-name (car groups)) (nth 1 method) all)))
+	(gnus-group-remove-mark (car groups))
+	(if (>= (gnus-group-group-level) gnus-level-zombie)
+	    (gnus-message 2 "Dead groups can't be caught up")
+	  (if (prog1
+		  (gnus-group-goto-group (car groups))
+		(gnus-group-catchup (car groups) all))
+	      (gnus-group-update-group-line)
+	    (setq ret (1+ ret))))
+	(setq groups (cdr groups)))
+      (gnus-group-next-unread-group 1)
+      ret)))
+
+(defun gnus-group-catchup-current-all (&optional n)
+  "Mark all articles in current newsgroup as read.
+Cross references (Xref: header) of articles are ignored."
+  (interactive "P")
+  (gnus-group-catchup-current n 'all))
+
+(defun gnus-group-catchup (group &optional all)
+  "Mark all articles in GROUP as read.
+If ALL is non-nil, all articles are marked as read.
+The return value is the number of articles that were marked as read,
+or nil if no action could be taken."
+  (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
+	 (num (car entry)))
+    ;; Do the updating only if the newsgroup isn't killed.
+    (if (not (numberp (car entry)))
+	(gnus-message 1 "Can't catch up %s; non-active group" group)
+      ;; Do auto-expirable marks if that's required.
+      (when (gnus-group-auto-expirable-p group)
+	(gnus-add-marked-articles
+	 group 'expire (gnus-list-of-unread-articles group))
+	(when all
+	  (let ((marks (nth 3 (nth 2 entry))))
+	    (gnus-add-marked-articles
+	     group 'expire (gnus-uncompress-range (cdr (assq 'tick marks))))
+	    (gnus-add-marked-articles
+	     group 'expire (gnus-uncompress-range (cdr (assq 'tick marks)))))))
+      (when entry
+	(gnus-update-read-articles group nil)
+	;; Also nix out the lists of marks and dormants.
+	(when all
+	  (gnus-add-marked-articles group 'tick nil nil 'force)
+	  (gnus-add-marked-articles group 'dormant nil nil 'force))
+	(let ((gnus-newsgroup-name group))
+	  (run-hooks 'gnus-group-catchup-group-hook))
+	num))))
+
+(defun gnus-group-expire-articles (&optional n)
+  "Expire all expirable articles in the current newsgroup."
+  (interactive "P")
+  (let ((groups (gnus-group-process-prefix n))
+	group)
+    (unless groups
+      (error "No groups to expire"))
+    (while (setq group (pop groups))
+      (gnus-group-remove-mark group)
+      (when (gnus-check-backend-function 'request-expire-articles group)
+	(gnus-message 6 "Expiring articles in %s..." group)
+	(let* ((info (gnus-get-info group))
+	       (expirable (if (gnus-group-total-expirable-p group)
+			      (cons nil (gnus-list-of-read-articles group))
+			    (assq 'expire (gnus-info-marks info))))
+	       (expiry-wait (gnus-group-find-parameter group 'expiry-wait)))
+	  (when expirable
+	    (setcdr
+	     expirable
+	     (gnus-compress-sequence
+	      (if expiry-wait
+		  ;; We set the expiry variables to the group
+		  ;; parameter. 
+		  (let ((nnmail-expiry-wait-function nil)
+			(nnmail-expiry-wait expiry-wait))
+		    (gnus-request-expire-articles
+		     (gnus-uncompress-sequence (cdr expirable)) group))
+		;; Just expire using the normal expiry values.
+		(gnus-request-expire-articles
+		 (gnus-uncompress-sequence (cdr expirable)) group))))
+	    (gnus-close-group group))
+	  (gnus-message 6 "Expiring articles in %s...done" group)))
+      (gnus-group-position-point))))
+
+(defun gnus-group-expire-all-groups ()
+  "Expire all expirable articles in all newsgroups."
+  (interactive)
+  (save-excursion
+    (gnus-message 5 "Expiring...")
+    (let ((gnus-group-marked (mapcar (lambda (info) (gnus-info-group info))
+				     (cdr gnus-newsrc-alist))))
+      (gnus-group-expire-articles nil)))
+  (gnus-group-position-point)
+  (gnus-message 5 "Expiring...done"))
+
+(defun gnus-group-set-current-level (n level)
+  "Set the level of the next N groups to LEVEL."
+  (interactive
+   (list
+    current-prefix-arg
+    (string-to-int
+     (let ((s (read-string
+	       (format "Level (default %s): "
+		       (or (gnus-group-group-level)
+			   gnus-level-default-subscribed)))))
+       (if (string-match "^\\s-*$" s)
+	   (int-to-string (or (gnus-group-group-level)
+			      gnus-level-default-subscribed))
+	 s)))))
+  (unless (and (>= level 1) (<= level gnus-level-killed))
+    (error "Illegal level: %d" level))
+  (let ((groups (gnus-group-process-prefix n))
+	group)
+    (while (setq group (pop groups))
+      (gnus-group-remove-mark group)
+      (gnus-message 6 "Changed level of %s from %d to %d"
+		    group (or (gnus-group-group-level) gnus-level-killed)
+		    level)
+      (gnus-group-change-level
+       group level (or (gnus-group-group-level) gnus-level-killed))
+      (gnus-group-update-group-line)))
+  (gnus-group-position-point))
+
+(defun gnus-group-unsubscribe (&optional n)
+  "Unsubscribe the current group."
+  (interactive "P")
+  (gnus-group-unsubscribe-current-group n 'unsubscribe))
+
+(defun gnus-group-subscribe (&optional n)
+  "Unsubscribe the current group."
+  (interactive "P")
+  (gnus-group-unsubscribe-current-group n 'subscribe))
+
+(defun gnus-group-unsubscribe-current-group (&optional n do-sub)
+  "Toggle subscription of the current group.
+If given numerical prefix, toggle the N next groups."
+  (interactive "P")
+  (let ((groups (gnus-group-process-prefix n))
+	group)
+    (while groups
+      (setq group (car groups)
+	    groups (cdr groups))
+      (gnus-group-remove-mark group)
+      (gnus-group-unsubscribe-group
+       group 
+       (cond
+	((eq do-sub 'unsubscribe)
+	 gnus-level-default-unsubscribed)
+	((eq do-sub 'subscribe)
+	 gnus-level-default-subscribed)
+	((<= (gnus-group-group-level) gnus-level-subscribed)
+	 gnus-level-default-unsubscribed)
+	(t
+	 gnus-level-default-subscribed))
+       t)
+      (gnus-group-update-group-line))
+    (gnus-group-next-group 1)))
+
+(defun gnus-group-unsubscribe-group (group &optional level silent)
+  "Toggle subscription to GROUP.
+Killed newsgroups are subscribed.  If SILENT, don't try to update the
+group line."
+  (interactive
+   (list (completing-read
+	  "Group: " gnus-active-hashtb nil
+	  (gnus-read-active-file-p)
+	  nil 
+	  'gnus-group-history)))
+  (let ((newsrc (gnus-gethash group gnus-newsrc-hashtb)))
+    (cond
+     ((string-match "^[ \t]$" group)
+      (error "Empty group name"))
+     (newsrc
+      ;; Toggle subscription flag.
+      (gnus-group-change-level
+       newsrc (if level level (if (<= (nth 1 (nth 2 newsrc))
+				      gnus-level-subscribed)
+				  (1+ gnus-level-subscribed)
+				gnus-level-default-subscribed)))
+      (unless silent
+	(gnus-group-update-group group)))
+     ((and (stringp group)
+	   (or (not (gnus-read-active-file-p))
+	       (gnus-active group)))
+      ;; Add new newsgroup.
+      (gnus-group-change-level
+       group
+       (if level level gnus-level-default-subscribed)
+       (or (and (member group gnus-zombie-list)
+		gnus-level-zombie)
+	   gnus-level-killed)
+       (when (gnus-group-group-name)
+	 (gnus-gethash (gnus-group-group-name) gnus-newsrc-hashtb)))
+      (unless silent
+	(gnus-group-update-group group)))
+     (t (error "No such newsgroup: %s" group)))
+    (gnus-group-position-point)))
+
+(defun gnus-group-transpose-groups (n)
+  "Move the current newsgroup up N places.
+If given a negative prefix, move down instead.	The difference between
+N and the number of steps taken is returned."
+  (interactive "p")
+  (unless (gnus-group-group-name)
+    (error "No group on current line"))
+  (gnus-group-kill-group 1)
+  (prog1
+      (forward-line (- n))
+    (gnus-group-yank-group)
+    (gnus-group-position-point)))
+
+(defun gnus-group-kill-all-zombies ()
+  "Kill all zombie newsgroups."
+  (interactive)
+  (setq gnus-killed-list (nconc gnus-zombie-list gnus-killed-list))
+  (setq gnus-zombie-list nil)
+  (gnus-group-list-groups))
+
+(defun gnus-group-kill-region (begin end)
+  "Kill newsgroups in current region (excluding current point).
+The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
+  (interactive "r")
+  (let ((lines
+	 ;; Count lines.
+	 (save-excursion
+	   (count-lines
+	    (progn
+	      (goto-char begin)
+	      (beginning-of-line)
+	      (point))
+	    (progn
+	      (goto-char end)
+	      (beginning-of-line)
+	      (point))))))
+    (goto-char begin)
+    (beginning-of-line)			;Important when LINES < 1
+    (gnus-group-kill-group lines)))
+
+(defun gnus-group-kill-group (&optional n discard)
+  "Kill the next N groups.
+The killed newsgroups can be yanked by using \\[gnus-group-yank-group].
+However, only groups that were alive can be yanked; already killed
+groups or zombie groups can't be yanked.
+The return value is the name of the group that was killed, or a list
+of groups killed."
+  (interactive "P")
+  (let ((buffer-read-only nil)
+	(groups (gnus-group-process-prefix n))
+	group entry level out)
+    (if (< (length groups) 10)
+	;; This is faster when there are few groups.
+	(while groups
+	  (push (setq group (pop groups)) out)
+	  (gnus-group-remove-mark group)
+	  (setq level (gnus-group-group-level))
+	  (gnus-delete-line)
+	  (when (and (not discard)
+		     (setq entry (gnus-gethash group gnus-newsrc-hashtb)))
+	    (gnus-undo-register
+	      `(progn
+		 (gnus-group-goto-group ,(gnus-group-group-name))
+		 (gnus-group-yank-group)))
+	    (push (cons (car entry) (nth 2 entry))
+		  gnus-list-of-killed-groups))
+	  (gnus-group-change-level
+	   (if entry entry group) gnus-level-killed (if entry nil level)))
+      ;; If there are lots and lots of groups to be killed, we use
+      ;; this thing instead.
+      (let (entry)
+	(setq groups (nreverse groups))
+	(while groups
+	  (gnus-group-remove-mark (setq group (pop groups)))
+	  (gnus-delete-line)
+	  (push group gnus-killed-list)
+	  (setq gnus-newsrc-alist
+		(delq (assoc group gnus-newsrc-alist)
+		      gnus-newsrc-alist))
+	  (when gnus-group-change-level-function
+	    (funcall gnus-group-change-level-function group 9 3))
+	  (cond
+	   ((setq entry (gnus-gethash group gnus-newsrc-hashtb))
+	    (push (cons (car entry) (nth 2 entry))
+		  gnus-list-of-killed-groups)
+	    (setcdr (cdr entry) (cdddr entry)))
+	   ((member group gnus-zombie-list)
+	    (setq gnus-zombie-list (delete group gnus-zombie-list)))))
+	(gnus-make-hashtable-from-newsrc-alist)))
+
+    (gnus-group-position-point)
+    (if (< (length out) 2) (car out) (nreverse out))))
+
+(defun gnus-group-yank-group (&optional arg)
+  "Yank the last newsgroups killed with \\[gnus-group-kill-group],
+inserting it before the current newsgroup.  The numeric ARG specifies
+how many newsgroups are to be yanked.  The name of the newsgroup yanked
+is returned, or (if several groups are yanked) a list of yanked groups
+is returned."
+  (interactive "p")
+  (setq arg (or arg 1))
+  (let (info group prev out)
+    (while (>= (decf arg) 0)
+      (when (not (setq info (pop gnus-list-of-killed-groups)))
+	(error "No more newsgroups to yank"))
+      (push (setq group (nth 1 info)) out)
+      ;; Find which newsgroup to insert this one before - search
+      ;; backward until something suitable is found.  If there are no
+      ;; other newsgroups in this buffer, just make this newsgroup the
+      ;; first newsgroup.
+      (setq prev (gnus-group-group-name))
+      (gnus-group-change-level
+       info (gnus-info-level (cdr info)) gnus-level-killed
+       (and prev (gnus-gethash prev gnus-newsrc-hashtb))
+       t)
+      (gnus-group-insert-group-line-info group)
+      (gnus-undo-register
+	`(when (gnus-group-goto-group ,group)
+	   (gnus-group-kill-group 1))))
+    (forward-line -1)
+    (gnus-group-position-point)
+    (if (< (length out) 2) (car out) (nreverse out))))
+
+(defun gnus-group-kill-level (level)
+  "Kill all groups that is on a certain LEVEL."
+  (interactive "nKill all groups on level: ")
+  (cond
+   ((= level gnus-level-zombie)
+    (setq gnus-killed-list
+	  (nconc gnus-zombie-list gnus-killed-list))
+    (setq gnus-zombie-list nil))
+   ((and (< level gnus-level-zombie)
+	 (> level 0)
+	 (or gnus-expert-user
+	     (gnus-yes-or-no-p
+	      (format
+	       "Do you really want to kill all groups on level %d? "
+	       level))))
+    (let* ((prev gnus-newsrc-alist)
+	   (alist (cdr prev)))
+      (while alist
+	(if (= (gnus-info-level (car alist)) level)
+	    (progn
+	      (push (gnus-info-group (car alist)) gnus-killed-list)
+	      (setcdr prev (cdr alist)))
+	  (setq prev alist))
+	(setq alist (cdr alist)))
+      (gnus-make-hashtable-from-newsrc-alist)
+      (gnus-group-list-groups)))
+   (t
+    (error "Can't kill; illegal level: %d" level))))
+
+(defun gnus-group-list-all-groups (&optional arg)
+  "List all newsgroups with level ARG or lower.
+Default is gnus-level-unsubscribed, which lists all subscribed and most
+unsubscribed groups."
+  (interactive "P")
+  (gnus-group-list-groups (or arg gnus-level-unsubscribed) t))
+
+;; Redefine this to list ALL killed groups if prefix arg used.
+;; Rewritten by engstrom@src.honeywell.com (Eric Engstrom).
+(defun gnus-group-list-killed (&optional arg)
+  "List all killed newsgroups in the group buffer.
+If ARG is non-nil, list ALL killed groups known to Gnus.  This may
+entail asking the server for the groups."
+  (interactive "P")
+  ;; Find all possible killed newsgroups if arg.
+  (when arg
+    (gnus-get-killed-groups))
+  (if (not gnus-killed-list)
+      (gnus-message 6 "No killed groups")
+    (let (gnus-group-list-mode)
+      (funcall gnus-group-prepare-function
+	       gnus-level-killed t gnus-level-killed))
+    (goto-char (point-min)))
+  (gnus-group-position-point))
+
+(defun gnus-group-list-zombies ()
+  "List all zombie newsgroups in the group buffer."
+  (interactive)
+  (if (not gnus-zombie-list)
+      (gnus-message 6 "No zombie groups")
+    (let (gnus-group-list-mode)
+      (funcall gnus-group-prepare-function
+	       gnus-level-zombie t gnus-level-zombie))
+    (goto-char (point-min)))
+  (gnus-group-position-point))
+
+(defun gnus-group-list-active ()
+  "List all groups that are available from the server(s)."
+  (interactive)
+  ;; First we make sure that we have really read the active file.
+  (unless (gnus-read-active-file-p)
+    (let ((gnus-read-active-file t))
+      (gnus-read-active-file)))
+  ;; Find all groups and sort them.
+  (let ((groups
+	 (sort
+	  (let (list)
+	    (mapatoms
+	     (lambda (sym)
+	       (and (boundp sym)
+		    (symbol-value sym)
+		    (push (symbol-name sym) list)))
+	     gnus-active-hashtb)
+	    list)
+	  'string<))
+	(buffer-read-only nil)
+	group)
+    (erase-buffer)
+    (while groups
+      (gnus-add-text-properties
+       (point) (prog1 (1+ (point))
+		 (insert "       *: "
+			 (setq group (pop groups)) "\n"))
+       (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
+	     'gnus-unread t
+	     'gnus-level (inline (gnus-group-level group)))))
+    (goto-char (point-min))))
+
+(defun gnus-activate-all-groups (level)
+  "Activate absolutely all groups."
+  (interactive (list 7))
+  (let ((gnus-activate-level level)
+	(gnus-activate-foreign-newsgroups level))
+    (gnus-group-get-new-news)))
+
+(defun gnus-group-get-new-news (&optional arg)
+  "Get newly arrived articles.
+If ARG is a number, it specifies which levels you are interested in
+re-scanning.  If ARG is non-nil and not a number, this will force
+\"hard\" re-reading of the active files from all servers."
+  (interactive "P")
+  (run-hooks 'gnus-get-new-news-hook)
+
+  ;; Read any slave files.
+  (unless gnus-slave
+    (gnus-master-read-slave-newsrc))
+
+  ;; We might read in new NoCeM messages here.
+  (when (and gnus-use-nocem 
+	     (null arg))
+    (gnus-nocem-scan-groups))
+  ;; If ARG is not a number, then we read the active file.
+  (when (and arg (not (numberp arg)))
+    (let ((gnus-read-active-file t))
+      (gnus-read-active-file))
+    (setq arg nil)
+
+    ;; If the user wants it, we scan for new groups.
+    (when (eq gnus-check-new-newsgroups 'always)
+      (gnus-find-new-newsgroups)))
+  
+  (setq arg (gnus-group-default-level arg t))
+  (if (and gnus-read-active-file (not arg))
+      (progn
+	(gnus-read-active-file)
+	(gnus-get-unread-articles arg))
+    (let ((gnus-read-active-file (if arg nil gnus-read-active-file)))
+      (gnus-get-unread-articles arg)))
+  (run-hooks 'gnus-after-getting-new-news-hook)
+  (gnus-group-list-groups))
+
+(defun gnus-group-get-new-news-this-group (&optional n)
+  "Check for newly arrived news in the current group (and the N-1 next groups).
+The difference between N and the number of newsgroup checked is returned.
+If N is negative, this group and the N-1 previous groups will be checked."
+  (interactive "P")
+  (let* ((groups (gnus-group-process-prefix n))
+	 (ret (if (numberp n) (- n (length groups)) 0))
+	 (beg (unless n
+		(point)))
+	 group)
+    (while (setq group (pop groups))
+      (gnus-group-remove-mark group)
+      ;; Bypass any previous denials from the server.
+      (gnus-remove-denial (gnus-find-method-for-group group))
+      (if (gnus-activate-group group 'scan)
+	  (progn
+	    (gnus-get-unread-articles-in-group
+	     (gnus-get-info group) (gnus-active group) t)
+	    (unless (gnus-virtual-group-p group)
+	      (gnus-close-group group))
+	    (gnus-group-update-group group))
+	(if (eq (gnus-server-status (gnus-find-method-for-group group))
+		'denied)
+	    (gnus-error 3 "Server denied access")
+	  (gnus-error 3 "%s error: %s" group (gnus-status-message group)))))
+    (when beg
+      (goto-char beg))
+    (when gnus-goto-next-group-when-activating
+      (gnus-group-next-unread-group 1 t))
+    (gnus-summary-position-point)
+    ret))
+
+(defun gnus-group-fetch-faq (group &optional faq-dir)
+  "Fetch the FAQ for the current group.
+If given a prefix argument, prompt for the FAQ dir
+to use."
+  (interactive
+   (list
+    (gnus-group-group-name)
+    (cond (current-prefix-arg
+	   (completing-read
+	    "Faq dir: " (and (listp gnus-group-faq-directory)
+			     (mapcar (lambda (file) (list file))
+				     gnus-group-faq-directory)))))))
+  (unless group
+    (error "No group name given"))
+  (let ((dirs (or faq-dir gnus-group-faq-directory))
+	dir found file)
+    (unless (listp dirs)
+      (setq dirs (list dirs)))
+    (while (and (not found)
+		(setq dir (pop dirs)))
+      (setq file (concat (file-name-as-directory dir)
+			 (gnus-group-real-name group)))
+      (if (not (file-exists-p file))
+	  (gnus-message 1 "No such file: %s" file)
+	(let ((enable-local-variables nil))
+	  (find-file file)
+	  (setq found t))))))
+
+(defun gnus-group-describe-group (force &optional group)
+  "Display a description of the current newsgroup."
+  (interactive (list current-prefix-arg (gnus-group-group-name)))
+  (let* ((method (gnus-find-method-for-group group))
+	 (mname (gnus-group-prefixed-name "" method))
+	 desc)
+    (when (and force
+	       gnus-description-hashtb)
+      (gnus-sethash mname nil gnus-description-hashtb))
+    (unless group
+      (error "No group name given"))
+    (when (or (and gnus-description-hashtb
+		   ;; We check whether this group's method has been
+		   ;; queried for a description file.
+		   (gnus-gethash mname gnus-description-hashtb))
+	      (setq desc (gnus-group-get-description group))
+	      (gnus-read-descriptions-file method))
+      (gnus-message 1
+		    (or desc (gnus-gethash group gnus-description-hashtb)
+			"No description available")))))
+
+;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
+(defun gnus-group-describe-all-groups (&optional force)
+  "Pop up a buffer with descriptions of all newsgroups."
+  (interactive "P")
+  (when force
+    (setq gnus-description-hashtb nil))
+  (when (not (or gnus-description-hashtb
+		 (gnus-read-all-descriptions-files)))
+    (error "Couldn't request descriptions file"))
+  (let ((buffer-read-only nil)
+	b)
+    (erase-buffer)
+    (mapatoms
+     (lambda (group)
+       (setq b (point))
+       (insert (format "      *: %-20s %s\n" (symbol-name group)
+		       (symbol-value group)))
+       (gnus-add-text-properties
+	b (1+ b) (list 'gnus-group group
+		       'gnus-unread t 'gnus-marked nil
+		       'gnus-level (1+ gnus-level-subscribed))))
+     gnus-description-hashtb)
+    (goto-char (point-min))
+    (gnus-group-position-point)))
+
+;; Suggested by Daniel Quinlan <quinlan@best.com>.
+(defun gnus-group-apropos (regexp &optional search-description)
+  "List all newsgroups that have names that match a regexp."
+  (interactive "sGnus apropos (regexp): ")
+  (let ((prev "")
+	(obuf (current-buffer))
+	groups des)
+    ;; Go through all newsgroups that are known to Gnus.
+    (mapatoms
+     (lambda (group)
+       (and (symbol-name group)
+	    (string-match regexp (symbol-name group))
+	    (push (symbol-name group) groups)))
+     gnus-active-hashtb)
+    ;; Also go through all descriptions that are known to Gnus.
+    (when search-description
+      (mapatoms
+       (lambda (group)
+	 (and (string-match regexp (symbol-value group))
+	      (gnus-active (symbol-name group))
+	      (push (symbol-name group) groups)))
+       gnus-description-hashtb))
+    (if (not groups)
+	(gnus-message 3 "No groups matched \"%s\"." regexp)
+      ;; Print out all the groups.
+      (save-excursion
+	(pop-to-buffer "*Gnus Help*")
+	(buffer-disable-undo (current-buffer))
+	(erase-buffer)
+	(setq groups (sort groups 'string<))
+	(while groups
+	  ;; Groups may be entered twice into the list of groups.
+	  (when (not (string= (car groups) prev))
+	    (insert (setq prev (car groups)) "\n")
+	    (when (and gnus-description-hashtb
+		       (setq des (gnus-gethash (car groups)
+					       gnus-description-hashtb)))
+	      (insert "  " des "\n")))
+	  (setq groups (cdr groups)))
+	(goto-char (point-min))))
+    (pop-to-buffer obuf)))
+
+(defun gnus-group-description-apropos (regexp)
+  "List all newsgroups that have names or descriptions that match a regexp."
+  (interactive "sGnus description apropos (regexp): ")
+  (when (not (or gnus-description-hashtb
+		 (gnus-read-all-descriptions-files)))
+    (error "Couldn't request descriptions file"))
+  (gnus-group-apropos regexp t))
+
+;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
+(defun gnus-group-list-matching (level regexp &optional all lowest)
+  "List all groups with unread articles that match REGEXP.
+If the prefix LEVEL is non-nil, it should be a number that says which
+level to cut off listing groups.
+If ALL, also list groups with no unread articles.
+If LOWEST, don't list groups with level lower than LOWEST.
+
+This command may read the active file."
+  (interactive "P\nsList newsgroups matching: ")
+  ;; First make sure active file has been read.
+  (when (and level
+	     (> (prefix-numeric-value level) gnus-level-killed))
+    (gnus-get-killed-groups))
+  (gnus-group-prepare-flat 
+   (or level gnus-level-subscribed) all (or lowest 1) regexp)
+  (goto-char (point-min))
+  (gnus-group-position-point))
+
+(defun gnus-group-list-all-matching (level regexp &optional lowest)
+  "List all groups that match REGEXP.
+If the prefix LEVEL is non-nil, it should be a number that says which
+level to cut off listing groups.
+If LOWEST, don't list groups with level lower than LOWEST."
+  (interactive "P\nsList newsgroups matching: ")
+  (when level
+    (setq level (prefix-numeric-value level)))
+  (gnus-group-list-matching (or level gnus-level-killed) regexp t lowest))
+
+;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
+(defun gnus-group-save-newsrc (&optional force)
+  "Save the Gnus startup files.
+If FORCE, force saving whether it is necessary or not."
+  (interactive "P")
+  (gnus-save-newsrc-file force))
+
+(defun gnus-group-restart (&optional arg)
+  "Force Gnus to read the .newsrc file."
+  (interactive "P")
+  (when (gnus-yes-or-no-p
+	 (format "Are you sure you want to restart Gnus? "))
+    (gnus-save-newsrc-file)
+    (gnus-clear-system)
+    (gnus)))
+
+(defun gnus-group-read-init-file ()
+  "Read the Gnus elisp init file."
+  (interactive)
+  (gnus-read-init-file))
+
+(defun gnus-group-check-bogus-groups (&optional silent)
+  "Check bogus newsgroups.
+If given a prefix, don't ask for confirmation before removing a bogus
+group."
+  (interactive "P")
+  (gnus-check-bogus-newsgroups (and (not silent) (not gnus-expert-user)))
+  (gnus-group-list-groups))
+
+(defun gnus-group-edit-global-kill (&optional article group)
+  "Edit the global kill file.
+If GROUP, edit that local kill file instead."
+  (interactive "P")
+  (setq gnus-current-kill-article article)
+  (gnus-kill-file-edit-file group)
+  (gnus-message
+   6
+   (substitute-command-keys
+    (format "Editing a %s kill file (Type \\[gnus-kill-file-exit] to exit)"
+	    (if group "local" "global")))))
+
+(defun gnus-group-edit-local-kill (article group)
+  "Edit a local kill file."
+  (interactive (list nil (gnus-group-group-name)))
+  (gnus-group-edit-global-kill article group))
+
+(defun gnus-group-force-update ()
+  "Update `.newsrc' file."
+  (interactive)
+  (gnus-save-newsrc-file))
+
+(defun gnus-group-suspend ()
+  "Suspend the current Gnus session.
+In fact, cleanup buffers except for group mode buffer.
+The hook gnus-suspend-gnus-hook is called before actually suspending."
+  (interactive)
+  (run-hooks 'gnus-suspend-gnus-hook)
+  ;; Kill Gnus buffers except for group mode buffer.
+  (let* ((group-buf (get-buffer gnus-group-buffer))
+	 ;; Do this on a separate list in case the user does a ^G before we finish
+	 (gnus-buffer-list
+	  (delete group-buf (delete gnus-dribble-buffer
+				    (append gnus-buffer-list nil)))))
+    (while gnus-buffer-list
+      (gnus-kill-buffer (pop gnus-buffer-list)))
+    (gnus-kill-gnus-frames)
+    (when group-buf
+      (setq gnus-buffer-list (list group-buf))
+      (bury-buffer group-buf)
+      (delete-windows-on group-buf t))))
+
+(defun gnus-group-clear-dribble ()
+  "Clear all information from the dribble buffer."
+  (interactive)
+  (gnus-dribble-clear)
+  (gnus-message 7 "Cleared dribble buffer"))
+
+(defun gnus-group-exit ()
+  "Quit reading news after updating .newsrc.eld and .newsrc.
+The hook `gnus-exit-gnus-hook' is called before actually exiting."
+  (interactive)
+  (when 
+      (or noninteractive		;For gnus-batch-kill
+	  (not gnus-interactive-exit)	;Without confirmation
+	  gnus-expert-user
+	  (gnus-y-or-n-p "Are you sure you want to quit reading news? "))
+    (run-hooks 'gnus-exit-gnus-hook)
+    ;; Offer to save data from non-quitted summary buffers.
+    (gnus-offer-save-summaries)
+    ;; Save the newsrc file(s).
+    (gnus-save-newsrc-file)
+    ;; Kill-em-all.
+    (gnus-close-backends)
+    ;; Reset everything.
+    (gnus-clear-system)
+    ;; Allow the user to do things after cleaning up.
+    (run-hooks 'gnus-after-exiting-gnus-hook)))
+
+(defun gnus-group-quit ()
+  "Quit reading news without updating .newsrc.eld or .newsrc.
+The hook `gnus-exit-gnus-hook' is called before actually exiting."
+  (interactive)
+  (when (or noninteractive		;For gnus-batch-kill
+	    (zerop (buffer-size))
+	    (not (gnus-server-opened gnus-select-method))
+	    gnus-expert-user
+	    (not gnus-current-startup-file)
+	    (gnus-yes-or-no-p
+	     (format "Quit reading news without saving %s? "
+		     (file-name-nondirectory gnus-current-startup-file))))
+    (run-hooks 'gnus-exit-gnus-hook)
+    (gnus-configure-windows 'group t)
+    (gnus-dribble-save)
+    (gnus-close-backends)
+    (gnus-clear-system)
+    (gnus-kill-buffer gnus-group-buffer)
+    ;; Allow the user to do things after cleaning up.
+    (run-hooks 'gnus-after-exiting-gnus-hook)))
+
+(defun gnus-group-describe-briefly ()
+  "Give a one line description of the group mode commands."
+  (interactive)
+  (gnus-message 7 (substitute-command-keys "\\<gnus-group-mode-map>\\[gnus-group-read-group]:Select  \\[gnus-group-next-unread-group]:Forward  \\[gnus-group-prev-unread-group]:Backward  \\[gnus-group-exit]:Exit  \\[gnus-info-find-node]:Run Info  \\[gnus-group-describe-briefly]:This help")))
+
+(defun gnus-group-browse-foreign-server (method)
+  "Browse a foreign news server.
+If called interactively, this function will ask for a select method
+ (nntp, nnspool, etc.) and a server address (eg. nntp.some.where).
+If not, METHOD should be a list where the first element is the method
+and the second element is the address."
+  (interactive
+   (list (let ((how (completing-read
+		     "Which backend: "
+		     (append gnus-valid-select-methods gnus-server-alist)
+		     nil t (cons "nntp" 0) 'gnus-method-history)))
+	   ;; We either got a backend name or a virtual server name.
+	   ;; If the first, we also need an address.
+	   (if (assoc how gnus-valid-select-methods)
+	       (list (intern how)
+		     ;; Suggested by mapjph@bath.ac.uk.
+		     (completing-read
+		      "Address: "
+		      (mapcar (lambda (server) (list server))
+			      gnus-secondary-servers)))
+	     ;; We got a server name, so we find the method.
+	     (gnus-server-to-method how)))))
+  (gnus-browse-foreign-server method))
+
+(defun gnus-group-set-info (info &optional method-only-group part)
+  (let* ((entry (gnus-gethash
+		 (or method-only-group (gnus-info-group info))
+		 gnus-newsrc-hashtb))
+	 (part-info info)
+	 (info (if method-only-group (nth 2 entry) info))
+	 method)
+    (when method-only-group
+      (unless entry
+	(error "Trying to change non-existent group %s" method-only-group))
+      ;; We have received parts of the actual group info - either the
+      ;; select method or the group parameters.	 We first check
+      ;; whether we have to extend the info, and if so, do that.
+      (let ((len (length info))
+	    (total (if (eq part 'method) 5 6)))
+	(when (< len total)
+	  (setcdr (nthcdr (1- len) info)
+		  (make-list (- total len) nil)))
+	;; Then we enter the new info.
+	(setcar (nthcdr (1- total) info) part-info)))
+    (unless entry
+      ;; This is a new group, so we just create it.
+      (save-excursion
+	(set-buffer gnus-group-buffer)
+	(setq method (gnus-info-method info))
+	(when (gnus-server-equal method "native")
+	  (setq method nil))
+	(save-excursion
+	  (set-buffer gnus-group-buffer)
+	  (if method
+	      ;; It's a foreign group...
+	      (gnus-group-make-group
+	       (gnus-group-real-name (gnus-info-group info))
+	       (if (stringp method) method
+		 (prin1-to-string (car method)))
+	       (and (consp method)
+		    (nth 1 (gnus-info-method info))))
+	    ;; It's a native group.
+	    (gnus-group-make-group (gnus-info-group info))))
+	(gnus-message 6 "Note: New group created")
+	(setq entry
+	      (gnus-gethash (gnus-group-prefixed-name
+			     (gnus-group-real-name (gnus-info-group info))
+			     (or (gnus-info-method info) gnus-select-method))
+			    gnus-newsrc-hashtb))))
+    ;; Whether it was a new group or not, we now have the entry, so we
+    ;; can do the update.
+    (if entry
+	(progn
+	  (setcar (nthcdr 2 entry) info)
+	  (when (and (not (eq (car entry) t))
+		     (gnus-active (gnus-info-group info)))
+	    (setcar entry (length (gnus-list-of-unread-articles (car info))))))
+      (error "No such group: %s" (gnus-info-group info)))))
+
+(defun gnus-group-set-method-info (group select-method)
+  (gnus-group-set-info select-method group 'method))
+
+(defun gnus-group-set-params-info (group params)
+  (gnus-group-set-info params group 'params))
+
+(defun gnus-add-marked-articles (group type articles &optional info force)
+  ;; Add ARTICLES of TYPE to the info of GROUP.
+  ;; If INFO is non-nil, use that info.	 If FORCE is non-nil, don't
+  ;; add, but replace marked articles of TYPE with ARTICLES.
+  (let ((info (or info (gnus-get-info group)))
+	(uncompressed '(score bookmark killed))
+	marked m)
+    (or (not info)
+	(and (not (setq marked (nthcdr 3 info)))
+	     (or (null articles)
+		 (setcdr (nthcdr 2 info)
+			 (list (list (cons type (gnus-compress-sequence
+						 articles t)))))))
+	(and (not (setq m (assq type (car marked))))
+	     (or (null articles)
+		 (setcar marked
+			 (cons (cons type (gnus-compress-sequence articles t) )
+			       (car marked)))))
+	(if force
+	    (if (null articles)
+		(setcar (nthcdr 3 info)
+			(delq (assq type (car marked)) (car marked)))
+	      (setcdr m (gnus-compress-sequence articles t)))
+	  (setcdr m (gnus-compress-sequence
+		     (sort (nconc (gnus-uncompress-range (cdr m))
+				  (copy-sequence articles)) '<) t))))))
+
+;;;
+;;; Group timestamps
+;;;
+
+(defun gnus-group-set-timestamp ()
+  "Change the timestamp of the current group to the current time.
+This function can be used in hooks like `gnus-select-group-hook'
+or `gnus-group-catchup-group-hook'."
+  (when gnus-newsgroup-name
+    (let ((time (current-time)))
+      (setcdr (cdr time) nil)
+      (gnus-group-set-parameter gnus-newsgroup-name 'timestamp time))))
+
+(defsubst gnus-group-timestamp (group)
+  "Return the timestamp for GROUP."
+  (gnus-group-get-parameter group 'timestamp))
+
+(defun gnus-group-timestamp-delta (group)
+  "Return the offset in seconds from the timestamp for GROUP to the current time, as a floating point number."
+  (let* ((time (or (gnus-group-timestamp group)
+		  (list 0 0)))
+         (delta (gnus-time-minus (current-time) time)))
+    (+ (* (nth 0 delta) 65536.0)
+       (nth 1 delta))))
+
+(defun gnus-group-timestamp-string (group)
+  "Return a string of the timestamp for GROUP."
+  (let ((time (gnus-group-timestamp group)))
+    (if (not time)
+	""
+      (gnus-time-iso8601 time))))
+
+(provide 'gnus-group)
+
+;;; gnus-group.el ends here