1 ;;; gnus.el --- a newsreader for GNU Emacs
2 ;; Copyright (C) 1987, 1988, 1989, 1990, 1993, 1994, 1995, 1996,
3 ;; 1997, 1998, 2000 Free Software Foundation, Inc.
5 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
6 ;; Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; Keywords: news, mail
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
30 (eval '(run-hooks 'gnus-load-hook))
32 (eval-when-compile (require 'cl))
38 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
42 (defgroup gnus-charset nil
43 "Group character set issues."
44 :link '(custom-manual "(gnus)Charsets")
47 (defgroup gnus-cache nil
51 (defgroup gnus-start nil
52 "Starting your favorite newsreader."
55 (defgroup gnus-start-server nil
56 "Server options at startup."
59 ;; These belong to gnus-group.el.
60 (defgroup gnus-group nil
62 :link '(custom-manual "(gnus)The Group Buffer")
65 (defgroup gnus-group-foreign nil
67 :link '(custom-manual "(gnus)Foreign Groups")
70 (defgroup gnus-group-new nil
71 "Automatic subscription of new groups."
74 (defgroup gnus-group-levels nil
76 :link '(custom-manual "(gnus)Group Levels")
79 (defgroup gnus-group-select nil
81 :link '(custom-manual "(gnus)Selecting a Group")
84 (defgroup gnus-group-listing nil
85 "Showing slices of the group list."
86 :link '(custom-manual "(gnus)Listing Groups")
89 (defgroup gnus-group-visual nil
90 "Sorting the group buffer."
91 :link '(custom-manual "(gnus)Group Buffer Format")
95 (defgroup gnus-group-various nil
96 "Various group options."
97 :link '(custom-manual "(gnus)Scanning New Messages")
100 ;; These belong to gnus-sum.el.
101 (defgroup gnus-summary nil
103 :link '(custom-manual "(gnus)The Summary Buffer")
106 (defgroup gnus-summary-exit nil
107 "Leaving summary buffers."
108 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
109 :group 'gnus-summary)
111 (defgroup gnus-summary-marks nil
112 "Marks used in summary buffers."
113 :link '(custom-manual "(gnus)Marking Articles")
114 :group 'gnus-summary)
116 (defgroup gnus-thread nil
117 "Ordering articles according to replies."
118 :link '(custom-manual "(gnus)Threading")
119 :group 'gnus-summary)
121 (defgroup gnus-summary-format nil
122 "Formatting of the summary buffer."
123 :link '(custom-manual "(gnus)Summary Buffer Format")
124 :group 'gnus-summary)
126 (defgroup gnus-summary-choose nil
128 :link '(custom-manual "(gnus)Choosing Articles")
129 :group 'gnus-summary)
131 (defgroup gnus-summary-maneuvering nil
132 "Summary movement commands."
133 :link '(custom-manual "(gnus)Summary Maneuvering")
134 :group 'gnus-summary)
136 (defgroup gnus-summary-mail nil
137 "Mail group commands."
138 :link '(custom-manual "(gnus)Mail Group Commands")
139 :group 'gnus-summary)
141 (defgroup gnus-summary-sort nil
142 "Sorting the summary buffer."
143 :link '(custom-manual "(gnus)Sorting")
144 :group 'gnus-summary)
146 (defgroup gnus-summary-visual nil
147 "Highlighting and menus in the summary buffer."
148 :link '(custom-manual "(gnus)Summary Highlighting")
150 :group 'gnus-summary)
152 (defgroup gnus-summary-various nil
153 "Various summary buffer options."
154 :link '(custom-manual "(gnus)Various Summary Stuff")
155 :group 'gnus-summary)
157 (defgroup gnus-summary-pick nil
158 "Pick mode in the summary buffer."
159 :link '(custom-manual "(gnus)Pick and Read")
161 :group 'gnus-summary)
163 (defgroup gnus-summary-tree nil
164 "Tree display of threads in the summary buffer."
165 :link '(custom-manual "(gnus)Tree Display")
167 :group 'gnus-summary)
169 ;; Belongs to gnus-uu.el
170 (defgroup gnus-extract-view nil
171 "Viewing extracted files."
172 :link '(custom-manual "(gnus)Viewing Files")
173 :group 'gnus-extract)
175 ;; Belongs to gnus-score.el
176 (defgroup gnus-score nil
177 "Score and kill file handling."
180 (defgroup gnus-score-kill nil
184 (defgroup gnus-score-adapt nil
185 "Adaptive score files."
188 (defgroup gnus-score-default nil
189 "Default values for score files."
192 (defgroup gnus-score-expire nil
193 "Expiring score rules."
196 (defgroup gnus-score-decay nil
197 "Decaying score rules."
200 (defgroup gnus-score-files nil
201 "Score and kill file names."
205 (defgroup gnus-score-various nil
206 "Various scoring and killing options."
210 (defgroup gnus-visual nil
211 "Options controling the visual fluff."
215 (defgroup gnus-agent nil
216 "Offline support for Gnus."
219 (defgroup gnus-files nil
220 "Files used by Gnus."
223 (defgroup gnus-dribble-file nil
225 :link '(custom-manual "(gnus)Auto Save")
228 (defgroup gnus-newsrc nil
229 "Storing Gnus state."
232 (defgroup gnus-server nil
233 "Options related to newsservers and other servers used by Gnus."
236 (defgroup gnus-message '((message custom-group))
237 "Composing replies and followups in Gnus."
240 (defgroup gnus-meta nil
241 "Meta variables controling major portions of Gnus.
242 In general, modifying these variables does not take affect until Gnus
243 is restarted, and sometimes reloaded."
246 (defgroup gnus-various nil
247 "Other Gnus options."
248 :link '(custom-manual "(gnus)Various Various")
251 (defgroup gnus-mime nil
252 "Variables for controlling the Gnus MIME interface."
255 (defgroup gnus-exit nil
257 :link '(custom-manual "(gnus)Exiting Gnus")
260 (defconst gnus-version-number "5.8.8"
261 "Version number for this version of Gnus.")
263 (defconst gnus-version (format "Gnus v%s" gnus-version-number)
264 "Version string for this version of Gnus.")
266 (defcustom gnus-inhibit-startup-message nil
267 "If non-nil, the startup message will not be displayed.
268 This variable is used before `.gnus.el' is loaded, so it should
269 be set in `.emacs' instead."
273 (defcustom gnus-play-startup-jingle nil
274 "If non-nil, play the Gnus jingle at startup."
278 (unless (featurep 'gnus-xmas)
279 (defalias 'gnus-make-overlay 'make-overlay)
280 (defalias 'gnus-delete-overlay 'delete-overlay)
281 (defalias 'gnus-overlay-put 'overlay-put)
282 (defalias 'gnus-move-overlay 'move-overlay)
283 (defalias 'gnus-overlay-end 'overlay-end)
284 (defalias 'gnus-extent-detached-p 'ignore)
285 (defalias 'gnus-extent-start-open 'ignore)
286 (defalias 'gnus-set-text-properties 'set-text-properties)
287 (defalias 'gnus-group-remove-excess-properties 'ignore)
288 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
289 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
290 (defalias 'gnus-character-to-event 'identity)
291 (defalias 'gnus-add-text-properties 'add-text-properties)
292 (defalias 'gnus-put-text-property 'put-text-property)
293 (defvar gnus-mode-line-image-cache t)
294 (if (fboundp 'find-image)
295 (defun gnus-mode-line-buffer-identification (line)
296 (let ((str (car-safe line)))
297 (if (and (stringp str)
298 (string-match "^Gnus:" str))
299 (progn (add-text-properties
302 (if (eq t gnus-mode-line-image-cache)
303 (setq gnus-mode-line-image-cache
305 '((:type xpm :file "gnus-pointer.xpm"
307 (:type xbm :file "gnus-pointer.xbm"
309 gnus-mode-line-image-cache)
310 'help-echo "This is Gnus")
314 (defalias 'gnus-mode-line-buffer-identification 'identity))
315 (defalias 'gnus-characterp 'numberp)
316 (defalias 'gnus-deactivate-mark 'deactivate-mark)
317 (defalias 'gnus-window-edges 'window-edges)
318 (defalias 'gnus-key-press-event-p 'numberp)
319 (defalias 'gnus-decode-rfc1522 'ignore))
321 ;; We define these group faces here to avoid the display
322 ;; update forced when creating new faces.
324 (defface gnus-group-news-1-face
327 (:foreground "PaleTurquoise" :bold t))
330 (:foreground "ForestGreen" :bold t))
333 "Level 1 newsgroup face.")
335 (defface gnus-group-news-1-empty-face
338 (:foreground "PaleTurquoise"))
341 (:foreground "ForestGreen"))
344 "Level 1 empty newsgroup face.")
346 (defface gnus-group-news-2-face
349 (:foreground "turquoise" :bold t))
352 (:foreground "CadetBlue4" :bold t))
355 "Level 2 newsgroup face.")
357 (defface gnus-group-news-2-empty-face
360 (:foreground "turquoise"))
363 (:foreground "CadetBlue4"))
366 "Level 2 empty newsgroup face.")
368 (defface gnus-group-news-3-face
377 "Level 3 newsgroup face.")
379 (defface gnus-group-news-3-empty-face
388 "Level 3 empty newsgroup face.")
390 (defface gnus-group-news-4-face
399 "Level 4 newsgroup face.")
401 (defface gnus-group-news-4-empty-face
410 "Level 4 empty newsgroup face.")
412 (defface gnus-group-news-5-face
421 "Level 5 newsgroup face.")
423 (defface gnus-group-news-5-empty-face
432 "Level 5 empty newsgroup face.")
434 (defface gnus-group-news-6-face
443 "Level 6 newsgroup face.")
445 (defface gnus-group-news-6-empty-face
454 "Level 6 empty newsgroup face.")
456 (defface gnus-group-news-low-face
459 (:foreground "DarkTurquoise" :bold t))
462 (:foreground "DarkGreen" :bold t))
465 "Low level newsgroup face.")
467 (defface gnus-group-news-low-empty-face
470 (:foreground "DarkTurquoise"))
473 (:foreground "DarkGreen"))
476 "Low level empty newsgroup face.")
478 (defface gnus-group-mail-1-face
481 (:foreground "aquamarine1" :bold t))
484 (:foreground "DeepPink3" :bold t))
487 "Level 1 mailgroup face.")
489 (defface gnus-group-mail-1-empty-face
492 (:foreground "aquamarine1"))
495 (:foreground "DeepPink3"))
497 (:italic t :bold t)))
498 "Level 1 empty mailgroup face.")
500 (defface gnus-group-mail-2-face
503 (:foreground "aquamarine2" :bold t))
506 (:foreground "HotPink3" :bold t))
509 "Level 2 mailgroup face.")
511 (defface gnus-group-mail-2-empty-face
514 (:foreground "aquamarine2"))
517 (:foreground "HotPink3"))
520 "Level 2 empty mailgroup face.")
522 (defface gnus-group-mail-3-face
525 (:foreground "aquamarine3" :bold t))
528 (:foreground "magenta4" :bold t))
531 "Level 3 mailgroup face.")
533 (defface gnus-group-mail-3-empty-face
536 (:foreground "aquamarine3"))
539 (:foreground "magenta4"))
542 "Level 3 empty mailgroup face.")
544 (defface gnus-group-mail-low-face
547 (:foreground "aquamarine4" :bold t))
550 (:foreground "DeepPink4" :bold t))
553 "Low level mailgroup face.")
555 (defface gnus-group-mail-low-empty-face
558 (:foreground "aquamarine4"))
561 (:foreground "DeepPink4"))
564 "Low level empty mailgroup face.")
566 ;; Summary mode faces.
568 (defface gnus-summary-selected-face '((t
570 "Face used for selected articles.")
572 (defface gnus-summary-cancelled-face
574 (:foreground "yellow" :background "black")))
575 "Face used for cancelled articles.")
577 (defface gnus-summary-high-ticked-face
580 (:foreground "pink" :bold t))
583 (:foreground "firebrick" :bold t))
586 "Face used for high interest ticked articles.")
588 (defface gnus-summary-low-ticked-face
591 (:foreground "pink" :italic t))
594 (:foreground "firebrick" :italic t))
597 "Face used for low interest ticked articles.")
599 (defface gnus-summary-normal-ticked-face
602 (:foreground "pink"))
605 (:foreground "firebrick"))
608 "Face used for normal interest ticked articles.")
610 (defface gnus-summary-high-ancient-face
613 (:foreground "SkyBlue" :bold t))
616 (:foreground "RoyalBlue" :bold t))
619 "Face used for high interest ancient articles.")
621 (defface gnus-summary-low-ancient-face
624 (:foreground "SkyBlue" :italic t))
627 (:foreground "RoyalBlue" :italic t))
630 "Face used for low interest ancient articles.")
632 (defface gnus-summary-normal-ancient-face
635 (:foreground "SkyBlue"))
638 (:foreground "RoyalBlue"))
641 "Face used for normal interest ancient articles.")
643 (defface gnus-summary-high-unread-face
646 "Face used for high interest unread articles.")
648 (defface gnus-summary-low-unread-face
651 "Face used for low interest unread articles.")
653 (defface gnus-summary-normal-unread-face
656 "Face used for normal interest unread articles.")
658 (defface gnus-summary-high-read-face
661 (:foreground "PaleGreen"
665 (:foreground "DarkGreen"
669 "Face used for high interest read articles.")
671 (defface gnus-summary-low-read-face
674 (:foreground "PaleGreen"
678 (:foreground "DarkGreen"
682 "Face used for low interest read articles.")
684 (defface gnus-summary-normal-read-face
687 (:foreground "PaleGreen"))
690 (:foreground "DarkGreen"))
693 "Face used for normal interest read articles.")
700 (defvar gnus-buffers nil)
702 (defun gnus-get-buffer-create (name)
703 "Do the same as `get-buffer-create', but store the created buffer."
704 (or (get-buffer name)
705 (car (push (get-buffer-create name) gnus-buffers))))
707 (defun gnus-add-buffer ()
708 "Add the current buffer to the list of Gnus buffers."
709 (push (current-buffer) gnus-buffers))
711 (defun gnus-buffers ()
712 "Return a list of live Gnus buffers."
713 (while (and gnus-buffers
714 (not (buffer-name (car gnus-buffers))))
716 (let ((buffers gnus-buffers))
718 (if (buffer-name (cadr buffers))
720 (setcdr buffers (cddr buffers)))))
725 (defvar gnus-group-buffer "*Group*")
728 (autoload 'gnus-play-jingle "gnus-audio"))
730 (defface gnus-splash-face
733 (:foreground "Brown"))
736 (:foreground "Brown"))
739 "Face of the splash screen.")
741 (defun gnus-splash ()
743 (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
744 (let ((buffer-read-only nil))
746 (unless gnus-inhibit-startup-message
747 (gnus-group-startup-message)
749 (when gnus-play-startup-jingle
750 (gnus-play-jingle))))))
752 (defun gnus-indent-rigidly (start end arg)
753 "Indent rigidly using only spaces and no tabs."
756 (narrow-to-region start end)
758 (indent-rigidly start end arg)
759 ;; We translate tabs into spaces -- not everybody uses
760 ;; an 8-character tab.
761 (goto-char (point-min))
762 (while (search-forward "\t" nil t)
763 (replace-match " " t t))))))
765 (defvar gnus-simple-splash nil)
767 (defun gnus-group-startup-message (&optional x y)
768 "Insert startup message in current buffer."
769 ;; Insert the message.
773 (fboundp 'find-image)
775 (let ((image (find-image
776 `((:type xpm :file "gnus.xpm")
777 (:type xbm :file "gnus.xbm"
778 ;; Account for the xbm's blackground.
779 :background ,(face-foreground 'gnus-splash-face)
780 :foreground ,(face-background 'default))))))
782 (let ((size (image-size image)))
783 (insert-char ?\n (max 0 (round (- (window-height)
784 (or y (cdr size)) 1) 2)))
785 (insert-char ?\ (max 0 (round (- (window-width)
786 (or x (car size))) 2)))
787 (insert-image image))
788 (setq gnus-simple-splash nil)
794 _ ___ __ ___ __ _ ___
814 (gnus-indent-rigidly (point-min) (point-max)
815 (/ (max (- (window-width) (or x 46)) 0) 2))
816 (goto-char (point-min))
818 (let* ((pheight (count-lines (point-min) (point-max)))
819 (wheight (window-height))
820 (rest (- wheight pheight)))
821 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
823 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
824 (setq gnus-simple-splash t)))
825 (goto-char (point-min))
826 (setq mode-line-buffer-identification (concat " " gnus-version))
827 (set-buffer-modified-p t))
830 (let ((command (format "%s" this-command)))
831 (if (and (string-match "gnus" command)
832 (not (string-match "gnus-other-frame" command)))
834 (gnus-get-buffer-create gnus-group-buffer))))
842 (defcustom gnus-home-directory "~/"
843 "Directory variable that specifies the \"home\" directory.
844 All other Gnus path variables are initialized from this variable."
848 (defcustom gnus-directory (or (getenv "SAVEDIR")
849 (nnheader-concat gnus-home-directory "News/"))
850 "*Directory variable from which all other Gnus file variables are derived.
852 Note that Gnus is mostly loaded when the `.gnus.el' file is read.
853 This means that other directory variables that are initialized from
854 this variable won't be set properly if you set this variable in `.gnus.el'.
855 Set this variable in `.emacs' instead."
859 (defcustom gnus-default-directory nil
860 "*Default directory for all Gnus buffers."
862 :type '(choice (const :tag "current" nil)
865 ;; Site dependent variables. These variables should be defined in
868 (defvar gnus-default-nntp-server nil
869 "Specify a default NNTP server.
870 This variable should be defined in paths.el, and should never be set
872 If you want to change servers, you should use `gnus-select-method'.
873 See the documentation to that variable.")
875 ;; Don't touch this variable.
876 (defvar gnus-nntp-service "nntp"
877 "NNTP service name (\"nntp\" or 119).
878 This is an obsolete variable, which is scarcely used. If you use an
879 nntp server for your newsgroup and want to change the port number
880 used to 899, you would say something along these lines:
882 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
884 (defcustom gnus-nntpserver-file "/etc/nntpserver"
885 "A file with only the name of the nntp server in it."
890 ;; This function is used to check both the environment variable
891 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
892 ;; an nntp server name default.
893 (defun gnus-getenv-nntpserver ()
894 (or (getenv "NNTPSERVER")
895 (and (file-readable-p gnus-nntpserver-file)
897 (set-buffer (gnus-get-buffer-create " *gnus nntp*"))
898 (insert-file-contents gnus-nntpserver-file)
899 (let ((name (buffer-string)))
901 (if (string-match "\\'[ \t\n]*$" name)
904 (kill-buffer (current-buffer))))))))
906 (defcustom gnus-select-method
909 (list 'nntp (or (condition-case nil
910 (gnus-getenv-nntpserver)
912 (when (and gnus-default-nntp-server
913 (not (string= gnus-default-nntp-server "")))
914 gnus-default-nntp-server)
916 (if (or (null gnus-nntp-service)
917 (equal gnus-nntp-service "nntp"))
919 (list gnus-nntp-service)))
921 "Default method for selecting a newsgroup.
922 This variable should be a list, where the first element is how the
923 news is to be fetched, the second is the address.
925 For instance, if you want to get your news via NNTP from
926 \"flab.flab.edu\", you could say:
928 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
930 If you want to use your local spool, say:
932 \(setq gnus-select-method (list 'nnspool (system-name)))
934 If you use this variable, you must set `gnus-nntp-server' to nil.
936 There is a lot more to know about select methods and virtual servers -
937 see the manual for details."
939 :type 'gnus-select-method)
941 (defcustom gnus-message-archive-method
944 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
945 (nnfolder-active-file
946 ,(nnheader-concat message-directory "archive/active"))
947 (nnfolder-get-new-mail nil)
948 (nnfolder-inhibit-expiry t))
949 "*Method used for archiving messages you've sent.
950 This should be a mail method.
952 It's probably not very effective to change this variable once you've
953 run Gnus once. After doing that, you must edit this server from the
957 :type 'gnus-select-method)
959 (defcustom gnus-message-archive-group nil
960 "*Name of the group in which to save the messages you've written.
961 This can either be a string; a list of strings; or an alist
962 of regexps/functions/forms to be evaluated to return a string (or a list
963 of strings). The functions are called with the name of the current
964 group (or nil) as a parameter.
966 If you want to save your mail in one group and the news articles you
967 write in another group, you could say something like:
969 \(setq gnus-message-archive-group
970 '((if (message-news-p)
974 Normally the group names returned by this variable should be
975 unprefixed -- which implicitly means \"store on the archive server\".
976 However, you may wish to store the message on some other server. In
977 that case, just return a fully prefixed name of the group --
978 \"nnml+private:mail.misc\", for instance."
980 :type '(choice (const :tag "none" nil)
985 (defcustom gnus-secondary-servers nil
986 "List of NNTP servers that the user can choose between interactively.
987 To make Gnus query you for a server, you have to give `gnus' a
988 non-numeric prefix - `C-u M-x gnus', in short."
990 :type '(repeat string))
992 (defcustom gnus-nntp-server nil
993 "*The name of the host running the NNTP server.
994 This variable is semi-obsolete. Use the `gnus-select-method'
997 :type '(choice (const :tag "disable" nil)
1000 (defcustom gnus-secondary-select-methods nil
1001 "A list of secondary methods that will be used for reading news.
1002 This is a list where each element is a complete select method (see
1003 `gnus-select-method').
1005 If, for instance, you want to read your mail with the nnml backend,
1006 you could set this variable:
1008 \(setq gnus-secondary-select-methods '((nnml \"\")))"
1010 :type '(repeat gnus-select-method))
1012 (defvar gnus-backup-default-subscribed-newsgroups
1013 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
1014 "Default default new newsgroups the first time Gnus is run.
1015 Should be set in paths.el, and shouldn't be touched by the user.")
1017 (defcustom gnus-local-domain nil
1018 "Local domain name without a host name.
1019 The DOMAINNAME environment variable is used instead if it is defined.
1020 If the `system-name' function returns the full Internet name, there is
1021 no need to set this variable."
1022 :group 'gnus-message
1023 :type '(choice (const :tag "default" nil)
1026 (defvar gnus-local-organization nil
1027 "String with a description of what organization (if any) the user belongs to.
1028 Obsolete variable; use `message-user-organization' instead.")
1030 ;; Customization variables
1032 (defcustom gnus-refer-article-method nil
1033 "Preferred method for fetching an article by Message-ID.
1034 If you are reading news from the local spool (with nnspool), fetching
1035 articles by Message-ID is painfully slow. By setting this method to an
1036 nntp method, you might get acceptable results.
1038 The value of this variable must be a valid select method as discussed
1039 in the documentation of `gnus-select-method'.
1041 It can also be a list of select methods, as well as the special symbol
1042 `current', which means to use the current select method. If it is a
1043 list, Gnus will try all the methods in the list until it finds a match."
1045 :type '(choice (const :tag "default" nil)
1046 (const :tag "DejaNews" (nnweb "refer" (nnweb-type dejanews)))
1048 (repeat :menu-tag "Try multiple"
1050 :value (current (nnweb "refer" (nnweb-type dejanews)))
1051 (choice :tag "Method"
1053 (const :tag "DejaNews"
1054 (nnweb "refer" (nnweb-type dejanews)))
1055 gnus-select-method))))
1057 (defcustom gnus-group-faq-directory
1058 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
1059 "/ftp@sunsite.auc.dk:/pub/usenet/"
1060 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
1061 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
1062 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
1063 "/ftp@rtfm.mit.edu:/pub/usenet/"
1064 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
1065 "/ftp@ftp.sunet.se:/pub/usenet/"
1066 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
1067 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
1068 "/ftp@ftp.hk.super.net:/mirror/faqs/")
1069 "*Directory where the group FAQs are stored.
1070 This will most commonly be on a remote machine, and the file will be
1071 fetched by ange-ftp.
1073 This variable can also be a list of directories. In that case, the
1074 first element in the list will be used by default. The others can
1075 be used when being prompted for a site.
1077 Note that Gnus uses an aol machine as the default directory. If this
1078 feels fundamentally unclean, just think of it as a way to finally get
1079 something of value back from them.
1081 If the default site is too slow, try one of these:
1083 North America: mirrors.aol.com /pub/rtfm/usenet
1084 ftp.seas.gwu.edu /pub/rtfm
1085 rtfm.mit.edu /pub/usenet
1086 Europe: ftp.uni-paderborn.de /pub/FAQ
1087 src.doc.ic.ac.uk /usenet/news-FAQS
1088 ftp.sunet.se /pub/usenet
1089 sunsite.auc.dk /pub/usenet
1090 Asia: nctuccca.edu.tw /USENET/FAQ
1091 hwarang.postech.ac.kr /pub/usenet
1092 ftp.hk.super.net /mirror/faqs"
1093 :group 'gnus-group-various
1094 :type '(choice directory
1095 (repeat directory)))
1097 (defcustom gnus-use-cross-reference t
1098 "*Non-nil means that cross referenced articles will be marked as read.
1099 If nil, ignore cross references. If t, mark articles as read in
1100 subscribed newsgroups. If neither t nor nil, mark as read in all
1103 :type '(choice (const :tag "off" nil)
1104 (const :tag "subscribed" t)
1108 (defcustom gnus-process-mark ?#
1110 :group 'gnus-group-visual
1111 :group 'gnus-summary-marks
1114 (defcustom gnus-large-newsgroup 200
1115 "*The number of articles which indicates a large newsgroup.
1116 If the number of articles in a newsgroup is greater than this value,
1117 confirmation is required for selecting the newsgroup."
1118 :group 'gnus-group-select
1121 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
1122 "*Non-nil means that the default name of a file to save articles in is the group name.
1123 If it's nil, the directory form of the group name is used instead.
1125 If this variable is a list, and the list contains the element
1126 `not-score', long file names will not be used for score files; if it
1127 contains the element `not-save', long file names will not be used for
1128 saving; and if it contains the element `not-kill', long file names
1129 will not be used for kill files.
1131 Note that the default for this variable varies according to what system
1132 type you're using. On `usg-unix-v' and `xenix' this variable defaults
1133 to nil while on all other systems it defaults to t."
1137 (defcustom gnus-kill-files-directory gnus-directory
1138 "*Name of the directory where kill files will be stored (default \"~/News\")."
1139 :group 'gnus-score-files
1140 :group 'gnus-score-kill
1143 (defcustom gnus-save-score nil
1144 "*If non-nil, save group scoring info."
1145 :group 'gnus-score-various
1149 (defcustom gnus-use-undo t
1150 "*If non-nil, allow undoing in Gnus group mode buffers."
1154 (defcustom gnus-use-adaptive-scoring nil
1155 "*If non-nil, use some adaptive scoring scheme.
1156 If a list, then the values `word' and `line' are meaningful. The
1157 former will perform adaption on individual words in the subject
1158 header while `line' will perform adaption on several headers."
1160 :group 'gnus-score-adapt
1161 :type '(set (const word) (const line)))
1163 (defcustom gnus-use-cache 'passive
1164 "*If nil, Gnus will ignore the article cache.
1165 If `passive', it will allow entering (and reading) articles
1166 explicitly entered into the cache. If anything else, use the
1167 cache to the full extent of the law."
1170 :type '(choice (const :tag "off" nil)
1171 (const :tag "passive" passive)
1172 (const :tag "active" t)))
1174 (defcustom gnus-use-trees nil
1175 "*If non-nil, display a thread tree buffer."
1179 (defcustom gnus-use-grouplens nil
1180 "*If non-nil, use GroupLens ratings."
1184 (defcustom gnus-keep-backlog nil
1185 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1186 If it is a number N, then Gnus will only keep the last N articles
1187 read. If it is neither nil nor a number, Gnus will keep all read
1188 articles. This is not a good idea."
1190 :type '(choice (const :tag "off" nil)
1195 (defcustom gnus-use-nocem nil
1196 "*If non-nil, Gnus will read NoCeM cancel messages."
1200 (defcustom gnus-suppress-duplicates nil
1201 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1205 (defcustom gnus-use-scoring t
1206 "*If non-nil, enable scoring."
1210 (defcustom gnus-use-picons nil
1211 "*If non-nil, display picons in a frame of their own."
1215 (defcustom gnus-summary-prepare-exit-hook
1216 '(gnus-summary-expire-articles)
1217 "*A hook called when preparing to exit from the summary buffer.
1218 It calls `gnus-summary-expire-articles' by default."
1219 :group 'gnus-summary-exit
1222 (defcustom gnus-novice-user t
1223 "*Non-nil means that you are a usenet novice.
1224 If non-nil, verbose messages may be displayed and confirmations may be
1229 (defcustom gnus-expert-user nil
1230 "*Non-nil means that you will never be asked for confirmation about anything.
1231 That doesn't mean *anything* anything; particularly destructive
1232 commands will still require prompting."
1236 (defcustom gnus-interactive-catchup t
1237 "*If non-nil, require your confirmation when catching up a group."
1238 :group 'gnus-group-select
1241 (defcustom gnus-interactive-exit t
1242 "*If non-nil, require your confirmation when exiting Gnus."
1246 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1247 "*Function for extracting address components from a From header.
1248 Two pre-defined function exist: `gnus-extract-address-components',
1249 which is the default, quite fast, and too simplistic solution, and
1250 `mail-extract-address-components', which works much better, but is
1252 :group 'gnus-summary-format
1253 :type '(radio (function-item gnus-extract-address-components)
1254 (function-item mail-extract-address-components)
1255 (function :tag "Other")))
1257 (defcustom gnus-carpal nil
1258 "*If non-nil, display clickable icons."
1262 (defcustom gnus-shell-command-separator ";"
1263 "String used to separate to shell commands."
1267 (defcustom gnus-valid-select-methods
1268 '(("nntp" post address prompt-address physical-address)
1269 ("nnspool" post address)
1270 ("nnvirtual" post-mail virtual prompt-address)
1271 ("nnmbox" mail respool address)
1272 ("nnml" mail respool address)
1273 ("nnmh" mail respool address)
1274 ("nndir" post-mail prompt-address physical-address)
1275 ("nneething" none address prompt-address physical-address)
1276 ("nndoc" none address prompt-address)
1277 ("nnbabyl" mail address respool)
1278 ("nnkiboze" post virtual)
1279 ("nnsoup" post-mail address)
1280 ("nndraft" post-mail)
1281 ("nnfolder" mail respool address)
1282 ("nngateway" post-mail address prompt-address physical-address)
1288 ("nnagent" post-mail)
1289 ("nnimap" post-mail address prompt-address physical-address))
1290 "*An alist of valid select methods.
1291 The first element of each list lists should be a string with the name
1292 of the select method. The other elements may be the category of
1293 this method (i. e., `post', `mail', `none' or whatever) or other
1294 properties that this method has (like being respoolable).
1295 If you implement a new select method, all you should have to change is
1296 this variable. I think."
1298 :type '(repeat (group (string :tag "Name")
1299 (radio-button-choice (const :format "%v " post)
1300 (const :format "%v " mail)
1301 (const :format "%v " none)
1303 (checklist :inline t
1304 (const :format "%v " address)
1305 (const :format "%v " prompt-address)
1306 (const :format "%v " physical-address)
1307 (const :format "%v " virtual)
1310 (defun gnus-redefine-select-method-widget ()
1311 "Recomputes the select-method widget based on the value of
1312 `gnus-valid-select-methods'."
1313 (define-widget 'gnus-select-method 'list
1314 "Widget for entering a select method."
1316 :tag "Select Method"
1317 :args `((choice :tag "Method"
1318 ,@(mapcar (lambda (entry)
1319 (list 'const :format "%v\n"
1320 (intern (car entry))))
1321 gnus-valid-select-methods)
1322 (symbol :tag "other"))
1323 (string :tag "Address")
1324 (repeat :tag "Options"
1328 (sexp :tag "Value"))))
1331 (gnus-redefine-select-method-widget)
1333 (defcustom gnus-updated-mode-lines '(group article summary tree)
1334 "List of buffers that should update their mode lines.
1335 The list may contain the symbols `group', `article', `tree' and
1336 `summary'. If the corresponding symbol is present, Gnus will keep
1337 that mode line updated with information that may be pertinent.
1338 If this variable is nil, screen refresh may be quicker."
1339 :group 'gnus-various
1340 :type '(set (const group)
1345 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1346 (defcustom gnus-mode-non-string-length nil
1347 "*Max length of mode-line non-string contents.
1348 If this is nil, Gnus will take space as is needed, leaving the rest
1349 of the modeline intact. Note that the default of nil is unlikely
1350 to be desirable; see the manual for further details."
1351 :group 'gnus-various
1352 :type '(choice (const nil)
1355 (defcustom gnus-auto-expirable-newsgroups nil
1356 "*Groups in which to automatically mark read articles as expirable.
1357 If non-nil, this should be a regexp that should match all groups in
1358 which to perform auto-expiry. This only makes sense for mail groups."
1359 :group 'nnmail-expire
1360 :type '(choice (const nil)
1363 (defcustom gnus-total-expirable-newsgroups nil
1364 "*Groups in which to perform expiry of all read articles.
1365 Use with extreme caution. All groups that match this regexp will be
1366 expiring - which means that all read articles will be deleted after
1367 \(say) one week. (This only goes for mail groups and the like, of
1369 :group 'nnmail-expire
1370 :type '(choice (const nil)
1373 (defcustom gnus-group-uncollapsed-levels 1
1374 "Number of group name elements to leave alone when making a short group name."
1375 :group 'gnus-group-visual
1378 (defcustom gnus-group-use-permanent-levels nil
1379 "*If non-nil, once you set a level, Gnus will use this level."
1380 :group 'gnus-group-levels
1385 (defcustom gnus-load-hook nil
1386 "A hook run while Gnus is loaded."
1390 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1391 "A hook called to apply kill files to a group.
1392 This hook is intended to apply a kill file to the selected newsgroup.
1393 The function `gnus-apply-kill-file' is called by default.
1395 Since a general kill file is too heavy to use only for a few
1396 newsgroups, I recommend you to use a lighter hook function. For
1397 example, if you'd like to apply a kill file to articles which contains
1398 a string `rmgroup' in subject in newsgroup `control', you can use the
1401 (setq gnus-apply-kill-hook
1404 (cond ((string-match \"control\" gnus-newsgroup-name)
1405 (gnus-kill \"Subject\" \"rmgroup\")
1406 (gnus-expunge \"X\"))))))"
1407 :group 'gnus-score-kill
1408 :options '(gnus-apply-kill-file)
1411 (defcustom gnus-group-change-level-function nil
1412 "Function run when a group level is changed.
1413 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1414 :group 'gnus-group-levels
1419 (defcustom gnus-visual
1420 '(summary-highlight group-highlight article-highlight
1422 summary-menu group-menu article-menu
1423 tree-highlight menu highlight
1424 browse-menu server-menu
1425 page-marker tree-menu binary-menu pick-menu
1427 "*Enable visual features.
1428 If `visual' is disabled, there will be no menus and few faces. Most of
1429 the visual customization options below will be ignored. Gnus will use
1430 less space and be faster as a result.
1432 This variable can also be a list of visual elements to switch on. For
1433 instance, to switch off all visual things except menus, you can say:
1435 (setq gnus-visual '(menu))
1437 Valid elements include `summary-highlight', `group-highlight',
1438 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1439 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1440 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1441 and `grouplens-menu'."
1444 :type '(set (const summary-highlight)
1445 (const group-highlight)
1446 (const article-highlight)
1448 (const summary-menu)
1450 (const article-menu)
1451 (const tree-highlight)
1460 (const grouplens-menu)))
1462 (defcustom gnus-mouse-face
1464 (if (gnus-visual-p 'mouse-face 'highlight)
1465 (if (boundp 'gnus-mouse-face)
1466 (or gnus-mouse-face 'highlight)
1470 "*Face used for group or summary buffer mouse highlighting.
1471 The line beneath the mouse pointer will be highlighted with this
1476 (defcustom gnus-article-save-directory gnus-directory
1477 "*Name of the directory articles will be saved in (default \"~/News\")."
1478 :group 'gnus-article-saving
1481 (defvar gnus-plugged t
1482 "Whether Gnus is plugged or not.")
1484 (defcustom gnus-default-charset 'iso-8859-1
1485 "Default charset assumed to be used when viewing non-ASCII characters.
1486 This variable is overridden on a group-to-group basis by the
1487 gnus-group-charset-alist variable and is only used on groups not
1488 covered by that variable."
1490 :group 'gnus-charset)
1492 (defcustom gnus-default-posting-charset nil
1493 "Default charset assumed to be used when posting non-ASCII characters.
1494 This variable is overridden on a group-to-group basis by the
1495 gnus-group-posting-charset-alist variable and is only used on groups not
1496 covered by that variable.
1497 If nil, no default charset is assumed when posting."
1499 :group 'gnus-charset)
1502 ;;; Internal variables
1504 (defvar gnus-agent-gcc-header "X-Gnus-Agent-Gcc")
1505 (defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
1506 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1507 (defvar gnus-original-article-buffer " *Original Article*")
1508 (defvar gnus-newsgroup-name nil)
1509 (defvar gnus-ephemeral-servers nil)
1511 (defvar gnus-agent nil
1512 "Whether we want to use the Gnus agent or not.")
1514 (defvar gnus-command-method nil
1515 "Dynamically bound variable that says what the current backend is.")
1517 (defvar gnus-current-select-method nil
1518 "The current method for selecting a newsgroup.")
1520 (defvar gnus-tree-buffer "*Tree*"
1521 "Buffer where Gnus thread trees are displayed.")
1524 (defvar gnus-use-generic-from nil)
1526 ;; Variable holding the user answers to all method prompts.
1527 (defvar gnus-method-history nil)
1529 ;; Variable holding the user answers to all mail method prompts.
1530 (defvar gnus-mail-method-history nil)
1532 ;; Variable holding the user answers to all group prompts.
1533 (defvar gnus-group-history nil)
1535 (defvar gnus-server-alist nil
1536 "List of available servers.")
1538 (defcustom gnus-cache-directory
1539 (nnheader-concat gnus-directory "cache/")
1540 "*The directory where cached articles will be stored."
1544 (defvar gnus-predefined-server-alist
1547 (nnspool-spool-directory ,gnus-cache-directory)
1548 (nnspool-nov-directory ,gnus-cache-directory)
1549 (nnspool-active-file
1550 ,(nnheader-concat gnus-cache-directory "active"))))
1551 "List of predefined (convenience) servers.")
1553 (defvar gnus-topic-indentation "");; Obsolete variable.
1555 (defconst gnus-article-mark-lists
1556 '((marked . tick) (replied . reply)
1557 (expirable . expire) (killed . killed)
1558 (bookmarks . bookmark) (dormant . dormant)
1559 (scored . score) (saved . save)
1560 (cached . cache) (downloadable . download)
1561 (unsendable . unsend)))
1563 (defvar gnus-headers-retrieved-by nil)
1564 (defvar gnus-article-reply nil)
1565 (defvar gnus-override-method nil)
1566 (defvar gnus-article-check-size nil)
1567 (defvar gnus-opened-servers nil)
1569 (defvar gnus-current-kill-article nil)
1571 (defvar gnus-have-read-active-file nil)
1573 (defconst gnus-maintainer
1574 "bugs@gnus.org (The Gnus Bugfixing Girls + Boys)"
1575 "The mail address of the Gnus maintainers.")
1577 (defvar gnus-info-nodes
1578 '((gnus-group-mode "(gnus)The Group Buffer")
1579 (gnus-summary-mode "(gnus)The Summary Buffer")
1580 (gnus-article-mode "(gnus)The Article Buffer")
1581 (gnus-server-mode "(gnus)The Server Buffer")
1582 (gnus-browse-mode "(gnus)Browse Foreign Server")
1583 (gnus-tree-mode "(gnus)Tree Display"))
1584 "Alist of major modes and related Info nodes.")
1586 (defvar gnus-group-buffer "*Group*")
1587 (defvar gnus-summary-buffer "*Summary*")
1588 (defvar gnus-article-buffer "*Article*")
1589 (defvar gnus-server-buffer "*Server*")
1591 (defvar gnus-slave nil
1592 "Whether this Gnus is a slave or not.")
1594 (defvar gnus-batch-mode nil
1595 "Whether this Gnus is running in batch mode or not.")
1597 (defvar gnus-variable-list
1598 '(gnus-newsrc-options gnus-newsrc-options-n
1599 gnus-newsrc-last-checked-date
1600 gnus-newsrc-alist gnus-server-alist
1601 gnus-killed-list gnus-zombie-list
1602 gnus-topic-topology gnus-topic-alist
1604 "Gnus variables saved in the quick startup file.")
1606 (defvar gnus-newsrc-alist nil
1607 "Assoc list of read articles.
1608 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1610 (defvar gnus-newsrc-hashtb nil
1611 "Hashtable of gnus-newsrc-alist.")
1613 (defvar gnus-killed-list nil
1614 "List of killed newsgroups.")
1616 (defvar gnus-killed-hashtb nil
1617 "Hash table equivalent of gnus-killed-list.")
1619 (defvar gnus-zombie-list nil
1620 "List of almost dead newsgroups.")
1622 (defvar gnus-description-hashtb nil
1623 "Descriptions of newsgroups.")
1625 (defvar gnus-list-of-killed-groups nil
1626 "List of newsgroups that have recently been killed by the user.")
1628 (defvar gnus-active-hashtb nil
1629 "Hashtable of active articles.")
1631 (defvar gnus-moderated-hashtb nil
1632 "Hashtable of moderated newsgroups.")
1634 ;; Save window configuration.
1635 (defvar gnus-prev-winconf nil)
1637 (defvar gnus-reffed-article-number nil)
1639 ;;; Let the byte-compiler know that we know about this variable.
1640 (defvar rmail-default-rmail-file)
1642 (defvar gnus-dead-summary nil)
1644 (defvar gnus-invalid-group-regexp "[: `'\"/]\\|^$"
1645 "Regexp matching invalid groups.")
1647 ;;; End of variables.
1649 ;; Define some autoload functions Gnus might use.
1652 ;; This little mapcar goes through the list below and marks the
1653 ;; symbols in question as autoloaded functions.
1656 (let ((interactive (nth 1 (memq ':interactive package))))
1660 (when (consp function)
1661 (setq keymap (car (memq 'keymap function)))
1662 (setq function (car function)))
1663 (unless (fboundp function)
1664 (autoload function (car package) nil interactive keymap))))
1665 (if (eq (nth 1 package) ':interactive)
1668 '(("info" :interactive t Info-goto-node)
1669 ("pp" pp pp-to-string pp-eval-expression)
1670 ("qp" quoted-printable-decode-region quoted-printable-decode-string)
1671 ("ps-print" ps-print-preprint)
1672 ("browse-url" :interactive t browse-url)
1673 ("message" :interactive t
1674 message-send-and-exit message-yank-original)
1675 ("babel" babel-as-string)
1676 ("nnmail" nnmail-split-fancy nnmail-article-group)
1677 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1678 ("rmailout" rmail-output rmail-output-to-rmail-file)
1679 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1680 rmail-show-message rmail-summary-exists
1681 rmail-select-summary rmail-update-summary)
1682 ("gnus-audio" :interactive t gnus-audio-play)
1683 ("gnus-xmas" gnus-xmas-splash)
1684 ("gnus-soup" :interactive t
1685 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1686 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1687 ("nnsoup" nnsoup-pack-replies)
1688 ("score-mode" :interactive t gnus-score-mode)
1689 ("gnus-mh" gnus-summary-save-article-folder
1690 gnus-Folder-save-name gnus-folder-save-name)
1691 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1692 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1693 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1694 gnus-demon-add-disconnection gnus-demon-add-handler
1695 gnus-demon-remove-handler)
1696 ("gnus-demon" :interactive t
1697 gnus-demon-init gnus-demon-cancel)
1698 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1699 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1700 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1701 gnus-nocem-unwanted-article-p)
1702 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1703 gnus-server-server-name)
1704 ("gnus-srvr" gnus-browse-foreign-server)
1705 ("gnus-cite" :interactive t
1706 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1707 gnus-article-hide-citation gnus-article-fill-cited-article
1708 gnus-article-hide-citation-in-followups)
1709 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1710 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1711 gnus-execute gnus-expunge gnus-batch-kill gnus-batch-score)
1712 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1713 gnus-cache-possibly-remove-articles gnus-cache-request-article
1714 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1715 gnus-cache-enter-remove-article gnus-cached-article-p
1716 gnus-cache-open gnus-cache-close gnus-cache-update-article
1717 gnus-cache-articles-in-group)
1718 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1719 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1720 ("gnus-score" :interactive t
1721 gnus-summary-increase-score gnus-summary-set-score
1722 gnus-summary-raise-thread gnus-summary-raise-same-subject
1723 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1724 gnus-summary-lower-thread gnus-summary-lower-same-subject
1725 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1726 gnus-summary-current-score gnus-score-delta-default
1727 gnus-score-flush-cache gnus-score-close
1728 gnus-possibly-score-headers gnus-score-followup-article
1729 gnus-score-followup-thread)
1731 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1732 gnus-current-score-file-nondirectory gnus-score-adaptive
1733 gnus-score-find-trace gnus-score-file-name)
1734 ("gnus-cus" :interactive t gnus-group-customize gnus-score-customize)
1735 ("gnus-topic" :interactive t gnus-topic-mode)
1736 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters
1737 gnus-subscribe-topics)
1738 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1739 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1740 ("gnus-uu" :interactive t
1741 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1742 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1743 gnus-uu-mark-by-regexp gnus-uu-mark-all
1744 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1745 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1746 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1747 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1748 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1749 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1750 gnus-uu-decode-binhex-view gnus-uu-unmark-thread
1751 gnus-uu-mark-over gnus-uu-post-news)
1752 ("gnus-uu" gnus-uu-delete-work-dir gnus-uu-unmark-thread)
1753 ("gnus-msg" (gnus-summary-send-map keymap)
1754 gnus-article-mail gnus-copy-article-buffer gnus-extended-version)
1755 ("gnus-msg" :interactive t
1756 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1757 gnus-summary-followup gnus-summary-followup-with-original
1758 gnus-summary-cancel-article gnus-summary-supersede-article
1759 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1760 gnus-summary-mail-forward gnus-summary-mail-other-window
1761 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1762 gnus-summary-wide-reply gnus-summary-followup-to-mail
1763 gnus-summary-followup-to-mail-with-original gnus-bug
1764 gnus-summary-wide-reply-with-original
1765 gnus-summary-post-forward gnus-summary-wide-reply-with-original
1766 gnus-summary-post-forward)
1767 ("gnus-picon" :interactive t gnus-article-display-picons
1768 gnus-group-display-picons gnus-picons-article-display-x-face
1769 gnus-picons-display-x-face)
1770 ("gnus-picon" gnus-picons-buffer-name)
1771 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1772 gnus-grouplens-mode)
1773 ("smiley" :interactive t gnus-smiley-display)
1774 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1775 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1776 gnus-list-of-unread-articles gnus-list-of-read-articles
1777 gnus-offer-save-summaries gnus-make-thread-indent-array
1778 gnus-summary-exit gnus-update-read-articles gnus-summary-last-subject
1779 gnus-summary-skip-intangible gnus-summary-article-number
1780 gnus-data-header gnus-data-find)
1781 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1782 gnus-group-list-groups gnus-group-first-unread-group
1783 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1784 gnus-group-setup-buffer gnus-group-get-new-news
1785 gnus-group-make-help-group gnus-group-update-group
1786 gnus-group-iterate gnus-group-group-name)
1787 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1788 gnus-backlog-remove-article)
1789 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1790 gnus-article-prepare gnus-article-set-window-start
1791 gnus-article-next-page gnus-article-prev-page
1792 gnus-request-article-this-buffer gnus-article-mode
1793 gnus-article-setup-buffer gnus-narrow-to-page
1794 gnus-article-delete-invisible-text gnus-treat-article)
1795 ("gnus-art" :interactive t
1796 gnus-article-hide-headers gnus-article-hide-boring-headers
1797 gnus-article-treat-overstrike
1798 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1799 gnus-article-display-x-face gnus-article-de-quoted-unreadable
1800 gnus-article-de-base64-unreadable
1801 gnus-article-decode-HZ
1802 gnus-article-wash-html
1803 gnus-article-hide-pgp
1804 gnus-article-hide-pem gnus-article-hide-signature
1805 gnus-article-strip-leading-blank-lines gnus-article-date-local
1806 gnus-article-date-original gnus-article-date-lapsed
1807 gnus-article-show-all-headers
1808 gnus-article-edit-mode gnus-article-edit-article
1809 gnus-article-edit-done gnus-article-decode-encoded-words
1810 gnus-start-date-timer gnus-stop-date-timer
1811 gnus-mime-view-all-parts)
1812 ("gnus-int" gnus-request-type)
1813 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1814 gnus-dribble-enter gnus-read-init-file gnus-dribble-touch)
1815 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1816 gnus-dup-enter-articles)
1817 ("gnus-range" gnus-copy-sequence)
1818 ("gnus-eform" gnus-edit-form)
1819 ("gnus-move" :interactive t
1820 gnus-group-move-group-to-server gnus-change-server)
1821 ("gnus-logic" gnus-score-advanced)
1822 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1823 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1824 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1825 gnus-async-halt-prefetch)
1826 ("gnus-agent" gnus-open-agent gnus-agent-get-function
1827 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
1828 gnus-agent-get-undownloaded-list gnus-agent-fetch-session
1829 gnus-summary-set-agent-mark gnus-agent-save-group-info)
1830 ("gnus-agent" :interactive t
1831 gnus-unplugged gnus-agentize gnus-agent-batch)
1832 ("gnus-vm" :interactive t gnus-summary-save-in-vm
1833 gnus-summary-save-article-vm)
1834 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-drafts)
1835 ("gnus-mlspl" gnus-group-split gnus-group-split-fancy)
1836 ("gnus-mlspl" :interactive t gnus-group-split-setup
1837 gnus-group-split-update))))
1839 ;;; gnus-sum.el thingies
1842 (defcustom gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
1843 "*The format specification of the lines in the summary buffer.
1845 It works along the same lines as a normal formatting string,
1846 with some simple extensions.
1848 %N Article number, left padded with spaces (string)
1850 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1851 %n Name of the poster (string)
1852 %a Extracted name of the poster (string)
1853 %A Extracted address of the poster (string)
1854 %F Contents of the From: header (string)
1855 %f Contents of the From: or To: headers (string)
1856 %x Contents of the Xref: header (string)
1857 %D Date of the article (string)
1858 %d Date of the article (string) in DD-MMM format
1859 %M Message-id of the article (string)
1860 %r References of the article (string)
1861 %c Number of characters in the article (integer)
1862 %L Number of lines in the article (integer)
1863 %I Indentation based on thread level (a string of spaces)
1864 %T A string with two possible values: 80 spaces if the article
1865 is on thread level two or larger and 0 spaces on level one
1866 %R \"A\" if this article has been replied to, \" \" otherwise (character)
1867 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
1868 %[ Opening bracket (character, \"[\" or \"<\")
1869 %] Closing bracket (character, \"]\" or \">\")
1870 %> Spaces of length thread-level (string)
1871 %< Spaces of length (- 20 thread-level) (string)
1872 %i Article score (number)
1873 %z Article zcore (character)
1874 %t Number of articles under the current thread (number).
1875 %e Whether the thread is empty or not (character).
1876 %l GroupLens score (string).
1877 %V Total thread score (number).
1878 %P The line number (number).
1879 %O Download mark (character).
1880 %u User defined specifier. The next character in the format string should
1881 be a letter. Gnus will call the function gnus-user-format-function-X,
1882 where X is the letter following %u. The function will be passed the
1883 current header as argument. The function should return a string, which
1884 will be inserted into the summary just like information from any other
1887 Text between %( and %) will be highlighted with `gnus-mouse-face'
1888 when the mouse point is placed inside the area. There can only be one
1891 The %U (status), %R (replied) and %z (zcore) specs have to be handled
1892 with care. For reasons of efficiency, Gnus will compute what column
1893 these characters will end up in, and \"hard-code\" that. This means that
1894 it is invalid to have these specs after a variable-length spec. Well,
1895 you might not be arrested, but your summary buffer will look strange,
1896 which is bad enough.
1898 The smart choice is to have these specs as for to the left as
1901 This restriction may disappear in later versions of Gnus."
1903 :group 'gnus-summary-format)
1906 ;;; Skeleton keymaps
1909 (defun gnus-suppress-keymap (keymap)
1910 (suppress-keymap keymap)
1911 (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
1913 (define-key keymap (pop keys) 'undefined))))
1915 (defvar gnus-article-mode-map
1916 (let ((keymap (make-sparse-keymap)))
1917 (gnus-suppress-keymap keymap)
1919 (defvar gnus-summary-mode-map
1920 (let ((keymap (make-keymap)))
1921 (gnus-suppress-keymap keymap)
1923 (defvar gnus-group-mode-map
1924 (let ((keymap (make-keymap)))
1925 (gnus-suppress-keymap keymap)
1930 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
1931 ;; If you want the cursor to go somewhere else, set these two
1932 ;; functions in some startup hook to whatever you want.
1933 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
1934 (defalias 'gnus-group-position-point 'gnus-goto-colon)
1936 ;;; Various macros and substs.
1938 (defun gnus-header-from (header)
1939 (mail-header-from header))
1941 (defmacro gnus-gethash (string hashtable)
1942 "Get hash value of STRING in HASHTABLE."
1943 `(symbol-value (intern-soft ,string ,hashtable)))
1945 (defmacro gnus-sethash (string value hashtable)
1946 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
1947 `(set (intern ,string ,hashtable) ,value))
1948 (put 'gnus-sethash 'edebug-form-spec '(form form form))
1950 (defmacro gnus-group-unread (group)
1951 "Get the currently computed number of unread articles in GROUP."
1952 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
1954 (defmacro gnus-group-entry (group)
1955 "Get the newsrc entry for GROUP."
1956 `(gnus-gethash ,group gnus-newsrc-hashtb))
1958 (defmacro gnus-active (group)
1959 "Get active info on GROUP."
1960 `(gnus-gethash ,group gnus-active-hashtb))
1962 (defmacro gnus-set-active (group active)
1963 "Set GROUP's active info."
1964 `(gnus-sethash ,group ,active gnus-active-hashtb))
1966 ;; Info access macros.
1968 (defmacro gnus-info-group (info)
1970 (defmacro gnus-info-rank (info)
1972 (defmacro gnus-info-read (info)
1974 (defmacro gnus-info-marks (info)
1976 (defmacro gnus-info-method (info)
1978 (defmacro gnus-info-params (info)
1981 (defmacro gnus-info-level (info)
1982 `(let ((rank (gnus-info-rank ,info)))
1986 (defmacro gnus-info-score (info)
1987 `(let ((rank (gnus-info-rank ,info)))
1988 (or (and (consp rank) (cdr rank)) 0)))
1990 (defmacro gnus-info-set-group (info group)
1991 `(setcar ,info ,group))
1992 (defmacro gnus-info-set-rank (info rank)
1993 `(setcar (nthcdr 1 ,info) ,rank))
1994 (defmacro gnus-info-set-read (info read)
1995 `(setcar (nthcdr 2 ,info) ,read))
1996 (defmacro gnus-info-set-marks (info marks &optional extend)
1998 `(gnus-info-set-entry ,info ,marks 3)
1999 `(setcar (nthcdr 3 ,info) ,marks)))
2000 (defmacro gnus-info-set-method (info method &optional extend)
2002 `(gnus-info-set-entry ,info ,method 4)
2003 `(setcar (nthcdr 4 ,info) ,method)))
2004 (defmacro gnus-info-set-params (info params &optional extend)
2006 `(gnus-info-set-entry ,info ,params 5)
2007 `(setcar (nthcdr 5 ,info) ,params)))
2009 (defun gnus-info-set-entry (info entry number)
2010 ;; Extend the info until we have enough elements.
2011 (while (<= (length info) number)
2012 (nconc info (list nil)))
2014 (setcar (nthcdr number info) entry))
2016 (defmacro gnus-info-set-level (info level)
2017 `(let ((rank (cdr ,info)))
2018 (if (consp (car rank))
2019 (setcar (car rank) ,level)
2020 (setcar rank ,level))))
2021 (defmacro gnus-info-set-score (info score)
2022 `(let ((rank (cdr ,info)))
2023 (if (consp (car rank))
2024 (setcdr (car rank) ,score)
2025 (setcar rank (cons (car rank) ,score)))))
2027 (defmacro gnus-get-info (group)
2028 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
2030 ;; Byte-compiler warning.
2031 (defvar gnus-visual)
2032 ;; Find out whether the gnus-visual TYPE is wanted.
2033 (defun gnus-visual-p (&optional type class)
2034 (and gnus-visual ; Has to be non-nil, at least.
2035 (if (not type) ; We don't care about type.
2037 (if (listp gnus-visual) ; It's a list, so we check it.
2038 (or (memq type gnus-visual)
2039 (memq class gnus-visual))
2042 ;;; Load the compatability functions.
2051 (defvar gnus-shutdown-alist nil)
2053 (defun gnus-add-shutdown (function &rest symbols)
2054 "Run FUNCTION whenever one of SYMBOLS is shut down."
2055 (push (cons function symbols) gnus-shutdown-alist))
2057 (defun gnus-shutdown (symbol)
2058 "Shut down everything that waits for SYMBOL."
2059 (let ((alist gnus-shutdown-alist)
2061 (while (setq entry (pop alist))
2062 (when (memq symbol (cdr entry))
2063 (funcall (car entry))))))
2067 ;;; Gnus Utility Functions
2071 (defmacro gnus-string-or (&rest strings)
2072 "Return the first element of STRINGS that is a non-blank string.
2073 STRINGS will be evaluated in normal `or' order."
2074 `(gnus-string-or-1 ',strings))
2076 (defun gnus-string-or-1 (strings)
2079 (setq string (eval (pop strings)))
2080 (if (string-match "^[ \t]*$" string)
2082 (setq strings nil)))
2085 (defun gnus-version (&optional arg)
2086 "Version number of this version of Gnus.
2087 If ARG, insert string at point."
2090 (insert (message gnus-version))
2091 (message gnus-version)))
2093 (defun gnus-continuum-version (version)
2094 "Return VERSION as a floating point number."
2095 (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version)
2096 (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version))
2097 (let ((alpha (and (match-beginning 1) (match-string 1 version)))
2098 (number (match-string 2 version))
2100 (unless (string-match
2101 "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number)
2102 (error "Invalid version string: %s" version))
2103 (setq major (string-to-number (match-string 1 number))
2104 minor (string-to-number (match-string 2 number))
2105 least (if (match-beginning 3)
2106 (string-to-number (match-string 3 number))
2110 (format "%s00%02d%02d"
2111 (if (member alpha '("(ding)" "d"))
2115 (- (mm-char-int (aref (downcase alpha) 0))
2119 (format "%d.%02d%02d" major minor least))))))
2121 (defun gnus-info-find-node ()
2122 "Find Info documentation of Gnus."
2124 ;; Enlarge info window if needed.
2125 (let (gnus-info-buffer)
2126 (Info-goto-node (cadr (assq major-mode gnus-info-nodes)))
2127 (setq gnus-info-buffer (current-buffer))
2128 (gnus-configure-windows 'info)))
2131 ;;; gnus-interactive
2134 (defvar gnus-current-prefix-symbol nil
2135 "Current prefix symbol.")
2137 (defvar gnus-current-prefix-symbols nil
2138 "List of current prefix symbols.")
2140 (defun gnus-interactive (string &optional params)
2141 "Return a list that can be fed to `interactive'.
2142 See `interactive' for full documentation.
2144 Adds the following specs:
2146 y -- The current symbolic prefix.
2147 Y -- A list of the current symbolic prefix(es).
2148 A -- Article number.
2149 H -- Article header.
2153 (while (< i (length string))
2154 (string-match ".\\([^\n]*\\)\n?" string i)
2155 (setq c (aref string i))
2157 (setq prompt (match-string 1 string)))
2158 (setq i (match-end 0))
2159 ;; We basically emulate just about everything that
2160 ;; `interactive' does, but add the specs listed above.
2164 (completing-read prompt obarray 'fboundp t))
2166 (read-buffer prompt (current-buffer) t))
2168 (read-buffer prompt (other-buffer (current-buffer))))
2172 (completing-read prompt obarray 'commandp t))
2176 (read-file-name prompt nil default-directory 'lambda))
2178 (read-file-name prompt nil nil 'lambda))
2180 (read-file-name prompt))
2182 (read-key-sequence prompt))
2184 (error "Not implemented spec"))
2186 (error "Not implemented spec"))
2190 (error "Not implemented spec"))
2192 (string-to-number (read-from-minibuffer prompt)))
2194 (prefix-numeric-value current-prefix-arg))
2200 (read-string prompt))
2202 (intern (read-string prompt)))
2204 (read-variable prompt))
2206 (read-minibuffer prompt))
2208 (eval-minibuffer prompt))
2209 ;; And here the new specs come.
2211 gnus-current-prefix-symbol)
2213 gnus-current-prefix-symbols)
2215 (gnus-group-group-name))
2217 (gnus-summary-skip-intangible)
2218 (or (get-text-property (point) 'gnus-number)
2219 (gnus-summary-last-subject)))
2221 (gnus-data-header (gnus-data-find (gnus-summary-article-number))))
2223 (error "Non-implemented spec")))
2227 (push (if (< (point) (mark) (point) (mark))) out)
2228 (push (if (> (point) (mark) (point) (mark))) out))))
2229 (setq out (delq 'gnus-prefix-nil out))
2232 (defun gnus-symbolic-argument (&optional arg)
2233 "Read a symbolic argument and a command, and then execute command."
2235 (let* ((in-command (this-command-keys))
2236 (command in-command)
2237 gnus-current-prefix-symbols
2238 gnus-current-prefix-symbol
2240 (while (equal in-command command)
2241 (message "%s-" (key-description (this-command-keys)))
2242 (push (intern (char-to-string (read-char))) syms)
2243 (setq command (read-key-sequence nil t)))
2244 (setq gnus-current-prefix-symbols (nreverse syms)
2245 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2246 (call-interactively (key-binding command t))))
2248 ;;; More various functions.
2250 (defsubst gnus-check-backend-function (func group)
2251 "Check whether GROUP supports function FUNC.
2252 GROUP can either be a string (a group name) or a select method."
2254 (let ((method (if (stringp group)
2255 (car (gnus-find-method-for-group group))
2257 (unless (featurep method)
2259 (fboundp (intern (format "%s-%s" method func))))))
2261 (defun gnus-group-read-only-p (&optional group)
2262 "Check whether GROUP supports editing or not.
2263 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2264 that that variable is buffer-local to the summary buffers."
2265 (let ((group (or group gnus-newsgroup-name)))
2266 (not (gnus-check-backend-function 'request-replace-article group))))
2268 (defun gnus-group-total-expirable-p (group)
2269 "Check whether GROUP is total-expirable or not."
2270 (let ((params (gnus-group-find-parameter group))
2273 ((memq 'total-expire params)
2275 ((setq val (assq 'total-expire params)) ; (auto-expire . t)
2277 (gnus-total-expirable-newsgroups ; Check var.
2278 (string-match gnus-total-expirable-newsgroups group)))))
2280 (defun gnus-group-auto-expirable-p (group)
2281 "Check whether GROUP is auto-expirable or not."
2282 (let ((params (gnus-group-find-parameter group))
2285 ((memq 'auto-expire params)
2287 ((setq val (assq 'auto-expire params)) ; (auto-expire . t)
2289 (gnus-auto-expirable-newsgroups ; Check var.
2290 (string-match gnus-auto-expirable-newsgroups group)))))
2292 (defun gnus-virtual-group-p (group)
2293 "Say whether GROUP is virtual or not."
2294 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2295 gnus-valid-select-methods)))
2297 (defun gnus-news-group-p (group &optional article)
2298 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2299 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
2300 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
2301 (if (or (null article)
2302 (not (< article 0)))
2303 (eq (gnus-request-type group article) 'news)
2304 (if (not (vectorp article))
2306 ;; It's a real article.
2307 (eq (gnus-request-type group (mail-header-id article))
2310 ;; Returns a list of writable groups.
2311 (defun gnus-writable-groups ()
2312 (let ((alist gnus-newsrc-alist)
2314 (while (setq group (car (pop alist)))
2315 (unless (gnus-group-read-only-p group)
2316 (push group groups)))
2319 ;; Check whether to use long file names.
2320 (defun gnus-use-long-file-name (symbol)
2321 ;; The variable has to be set...
2322 (and gnus-use-long-file-name
2323 ;; If it isn't a list, then we return t.
2324 (or (not (listp gnus-use-long-file-name))
2325 ;; If it is a list, and the list contains `symbol', we
2327 (not (memq symbol gnus-use-long-file-name)))))
2329 ;; Generate a unique new group name.
2330 (defun gnus-generate-new-group-name (leaf)
2333 (while (gnus-gethash name gnus-newsrc-hashtb)
2334 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2337 (defun gnus-ephemeral-group-p (group)
2338 "Say whether GROUP is ephemeral or not."
2339 (gnus-group-get-parameter group 'quit-config t))
2341 (defun gnus-group-quit-config (group)
2342 "Return the quit-config of GROUP."
2343 (gnus-group-get-parameter group 'quit-config t))
2345 (defun gnus-kill-ephemeral-group (group)
2346 "Remove ephemeral GROUP from relevant structures."
2347 (gnus-sethash group nil gnus-newsrc-hashtb))
2349 (defun gnus-simplify-mode-line ()
2350 "Make mode lines a bit simpler."
2351 (setq mode-line-modified (cdr gnus-mode-line-modified))
2352 (when (listp mode-line-format)
2353 (make-local-variable 'mode-line-format)
2354 (setq mode-line-format (copy-sequence mode-line-format))
2355 (when (equal (nth 3 mode-line-format) " ")
2356 (setcar (nthcdr 3 mode-line-format) " "))))
2358 ;;; Servers and groups.
2360 (defsubst gnus-server-add-address (method)
2361 (let ((method-name (symbol-name (car method))))
2362 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2363 (not (assq (intern (concat method-name "-address")) method))
2364 (memq 'physical-address (assq (car method)
2365 gnus-valid-select-methods)))
2366 (append method (list (list (intern (concat method-name "-address"))
2370 (defsubst gnus-server-get-method (group method)
2371 ;; Input either a server name, and extended server name, or a
2372 ;; select method, and return a select method.
2373 (cond ((stringp method)
2374 (gnus-server-to-method method))
2375 ((equal method gnus-select-method)
2377 ((and (stringp (car method))
2379 (gnus-server-extend-method group method))
2382 (equal (cadr method) ""))
2385 (gnus-server-add-address method))))
2387 (defun gnus-server-to-method (server)
2388 "Map virtual server names to select methods."
2390 ;; Is this a method, perhaps?
2391 (and server (listp server) server)
2392 ;; Perhaps this is the native server?
2393 (and (equal server "native") gnus-select-method)
2394 ;; It should be in the server alist.
2395 (cdr (assoc server gnus-server-alist))
2396 ;; It could be in the predefined server alist.
2397 (cdr (assoc server gnus-predefined-server-alist))
2398 ;; If not, we look through all the opened server
2399 ;; to see whether we can find it there.
2400 (let ((opened gnus-opened-servers))
2402 (not (equal server (format "%s:%s" (caaar opened)
2406 ;; It could be a named method, search all servers
2407 (let ((servers gnus-secondary-select-methods))
2409 (not (equal server (format "%s:%s" (caar servers)
2414 (defmacro gnus-method-equal (ss1 ss2)
2415 "Say whether two servers are equal."
2419 (and (= (length s1) (length s2))
2421 (while (and s1 (member (car s1) s2))
2425 (defun gnus-methods-equal-p (m1 m2)
2426 (let ((m1 (or m1 gnus-select-method))
2427 (m2 (or m2 gnus-select-method)))
2429 (and (eq (car m1) (car m2))
2430 (or (not (memq 'address (assoc (symbol-name (car m1))
2431 gnus-valid-select-methods)))
2432 (equal (nth 1 m1) (nth 1 m2)))))))
2434 (defun gnus-server-equal (m1 m2)
2435 "Say whether two methods are equal."
2436 (let ((m1 (cond ((null m1) gnus-select-method)
2437 ((stringp m1) (gnus-server-to-method m1))
2439 (m2 (cond ((null m2) gnus-select-method)
2440 ((stringp m2) (gnus-server-to-method m2))
2442 (gnus-method-equal m1 m2)))
2444 (defun gnus-servers-using-backend (backend)
2445 "Return a list of known servers using BACKEND."
2446 (let ((opened gnus-opened-servers)
2449 (when (eq backend (caaar opened))
2450 (push (caar opened) out))
2454 (defun gnus-archive-server-wanted-p ()
2455 "Say whether the user wants to use the archive server."
2457 ((or (not gnus-message-archive-method)
2458 (not gnus-message-archive-group))
2460 ((and gnus-message-archive-method gnus-message-archive-group)
2463 (let ((active (cadr (assq 'nnfolder-active-file
2464 gnus-message-archive-method))))
2466 (file-exists-p active))))))
2468 (defun gnus-group-prefixed-name (group method)
2469 "Return the whole name from GROUP and METHOD."
2470 (and (stringp method) (setq method (gnus-server-to-method method)))
2471 (if (or (not method)
2472 (gnus-server-equal method "native"))
2474 (concat (format "%s" (car method))
2476 (or (assoc (format "%s" (car method))
2477 (gnus-methods-using 'address))
2478 (gnus-server-equal method gnus-message-archive-method))
2480 (not (string= (nth 1 method) "")))
2481 (concat "+" (nth 1 method)))
2484 (defun gnus-group-real-prefix (group)
2485 "Return the prefix of the current group name."
2486 (if (string-match "^[^:]+:" group)
2487 (substring group 0 (match-end 0))
2490 (defun gnus-group-method (group)
2491 "Return the server or method used for selecting GROUP.
2492 You should probably use `gnus-find-method-for-group' instead."
2493 (let ((prefix (gnus-group-real-prefix group)))
2494 (if (equal prefix "")
2496 (let ((servers gnus-opened-servers)
2498 backend possible found)
2499 (if (string-match "^[^\\+]+\\+" prefix)
2500 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2501 server (substring prefix (match-end 0) (1- (length prefix))))
2502 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2504 (when (eq (caaar servers) backend)
2505 (setq possible (caar servers))
2506 (when (equal (cadaar servers) server)
2507 (setq found (caar servers))))
2509 (or (car (rassoc found gnus-server-alist))
2511 (car (rassoc possible gnus-server-alist))
2513 (list backend server))))))
2515 (defsubst gnus-native-method-p (method)
2516 "Return whether METHOD is the native select method."
2517 (gnus-method-equal method gnus-select-method))
2519 (defsubst gnus-secondary-method-p (method)
2520 "Return whether METHOD is a secondary select method."
2521 (let ((methods gnus-secondary-select-methods)
2522 (gmethod (gnus-server-get-method nil method)))
2524 (not (gnus-method-equal
2525 (gnus-server-get-method nil (car methods))
2527 (setq methods (cdr methods)))
2530 (defun gnus-method-simplify (method)
2531 "Return the shortest uniquely identifying string or method for METHOD."
2532 (cond ((stringp method)
2534 ((gnus-native-method-p method)
2536 ((gnus-secondary-method-p method)
2537 (format "%s:%s" (nth 0 method) (nth 1 method)))
2541 (defun gnus-groups-from-server (server)
2542 "Return a list of all groups that are fetched from SERVER."
2543 (let ((alist (cdr gnus-newsrc-alist))
2545 (while (setq info (pop alist))
2546 (when (gnus-server-equal (gnus-info-method info) server)
2547 (push (gnus-info-group info) groups)))
2548 (sort groups 'string<)))
2550 (defun gnus-group-foreign-p (group)
2551 "Say whether a group is foreign or not."
2552 (and (not (gnus-group-native-p group))
2553 (not (gnus-group-secondary-p group))))
2555 (defun gnus-group-native-p (group)
2556 "Say whether the group is native or not."
2557 (not (string-match ":" group)))
2559 (defun gnus-group-secondary-p (group)
2560 "Say whether the group is secondary or not."
2561 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2563 (defun gnus-group-find-parameter (group &optional symbol allow-list)
2564 "Return the group parameters for GROUP.
2565 If SYMBOL, return the value of that symbol in the group parameters."
2567 (set-buffer gnus-group-buffer)
2568 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2570 (gnus-group-parameter-value parameters symbol allow-list)
2573 (defun gnus-group-get-parameter (group &optional symbol allow-list)
2574 "Return the group parameters for GROUP.
2575 If SYMBOL, return the value of that symbol in the group parameters.
2576 Most functions should use `gnus-group-find-parameter', which
2577 also examines the topic parameters."
2578 (let ((params (gnus-info-params (gnus-get-info group))))
2580 (gnus-group-parameter-value params symbol allow-list)
2583 (defun gnus-group-parameter-value (params symbol &optional allow-list)
2584 "Return the value of SYMBOL in group PARAMS."
2585 ;; We only wish to return group parameters (dotted lists) and
2586 ;; not local variables, which may have the same names.
2587 ;; But first we handle single elements...
2588 (or (car (memq symbol params))
2592 (while (setq elem (pop params))
2593 (when (and (consp elem)
2594 (eq (car elem) symbol)
2597 (throw 'found (cdr elem))))))))
2599 (defun gnus-group-add-parameter (group param)
2600 "Add parameter PARAM to GROUP."
2601 (let ((info (gnus-get-info group)))
2603 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2604 ;; Cons the new param to the old one and update.
2605 (gnus-group-set-info (cons param (gnus-info-params info))
2608 (defun gnus-group-set-parameter (group name value)
2609 "Set parameter NAME to VALUE in GROUP."
2610 (let ((info (gnus-get-info group)))
2612 (gnus-group-remove-parameter group name)
2613 (let ((old-params (gnus-info-params info))
2614 (new-params (list (cons name value))))
2616 (when (or (not (listp (car old-params)))
2617 (not (eq (caar old-params) name)))
2618 (setq new-params (append new-params (list (car old-params)))))
2619 (setq old-params (cdr old-params)))
2620 (gnus-group-set-info new-params group 'params)))))
2622 (defun gnus-group-remove-parameter (group name)
2623 "Remove parameter NAME from GROUP."
2624 (let ((info (gnus-get-info group)))
2626 (let ((params (gnus-info-params info)))
2628 (setq params (delq name params))
2629 (while (assq name params)
2630 (gnus-pull name params))
2631 (gnus-info-set-params info params))))))
2633 (defun gnus-group-add-score (group &optional score)
2634 "Add SCORE to the GROUP score.
2635 If SCORE is nil, add 1 to the score of GROUP."
2636 (let ((info (gnus-get-info group)))
2638 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2640 (defun gnus-short-group-name (group &optional levels)
2641 "Collapse GROUP name LEVELS.
2642 Select methods are stripped and any remote host name is stripped down to
2643 just the host name."
2649 gnus-group-uncollapsed-levels
2651 (while (string-match "\\." group skip)
2652 (setq skip (match-end 0)
2655 ;; Separate foreign select method from group name and collapse.
2656 ;; If method contains a server, collapse to non-domain server name,
2657 ;; otherwise collapse to select method.
2658 (let* ((colon (string-match ":" group))
2659 (server (and colon (substring group 0 colon)))
2660 (plus (and server (string-match "+" server))))
2663 (setq foreign (substring server (+ 1 plus)
2664 (string-match "\\." server))
2665 group (substring group (+ 1 colon)))
2666 (setq foreign server
2667 group (substring group (+ 1 colon))))
2668 (setq foreign (concat foreign ":")))
2669 ;; Collapse group name leaving LEVELS uncollapsed elements
2670 (let* ((slist (split-string group "/"))
2671 (slen (length slist))
2672 (dlist (split-string group "\\."))
2673 (dlen (length dlist))
2685 (setq levels (- glen levels))
2687 (push (if (>= (decf levels) 0)
2688 (if (zerop (length g))
2693 (concat foreign (mapconcat 'identity (nreverse res) gsep))))))
2695 (defun gnus-narrow-to-body ()
2696 "Narrow to the body of an article."
2699 (goto-char (point-min))
2700 (or (search-forward "\n\n" nil t)
2706 ;;; Kill file handling.
2709 (defun gnus-apply-kill-file ()
2710 "Apply a kill file to the current newsgroup.
2711 Returns the number of articles marked as read."
2712 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2713 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2714 (gnus-apply-kill-file-internal)
2717 (defun gnus-kill-save-kill-buffer ()
2718 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2719 (when (get-file-buffer file)
2721 (set-buffer (get-file-buffer file))
2722 (when (buffer-modified-p)
2724 (kill-buffer (current-buffer))))))
2726 (defcustom gnus-kill-file-name "KILL"
2727 "Suffix of the kill files."
2728 :group 'gnus-score-kill
2729 :group 'gnus-score-files
2732 (defun gnus-newsgroup-kill-file (newsgroup)
2733 "Return the name of a kill file name for NEWSGROUP.
2734 If NEWSGROUP is nil, return the global kill file name instead."
2736 ;; The global KILL file is placed at top of the directory.
2737 ((or (null newsgroup)
2738 (string-equal newsgroup ""))
2739 (expand-file-name gnus-kill-file-name
2740 gnus-kill-files-directory))
2741 ;; Append ".KILL" to newsgroup name.
2742 ((gnus-use-long-file-name 'not-kill)
2743 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2744 "." gnus-kill-file-name)
2745 gnus-kill-files-directory))
2746 ;; Place "KILL" under the hierarchical directory.
2748 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2749 "/" gnus-kill-file-name)
2750 gnus-kill-files-directory))))
2754 (defun gnus-member-of-valid (symbol group)
2755 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2757 (symbol-name (car (gnus-find-method-for-group group)))
2758 gnus-valid-select-methods)))
2760 (defun gnus-method-option-p (method option)
2761 "Return non-nil if select METHOD has OPTION as a parameter."
2762 (when (stringp method)
2763 (setq method (gnus-server-to-method method)))
2764 (memq option (assoc (format "%s" (car method))
2765 gnus-valid-select-methods)))
2767 (defun gnus-similar-server-opened (method)
2768 (let ((opened gnus-opened-servers))
2769 (while (and method opened)
2770 (when (and (equal (cadr method) (cadaar opened))
2771 (equal (car method) (caaar opened))
2772 (not (equal method (caar opened))))
2777 (defun gnus-server-extend-method (group method)
2778 ;; This function "extends" a virtual server. If the server is
2779 ;; "hello", and the select method is ("hello" (my-var "something"))
2780 ;; in the group "alt.alt", this will result in a new virtual server
2781 ;; called "hello+alt.alt".
2782 (if (or (not (inline (gnus-similar-server-opened method)))
2783 (not (cddr method)))
2785 `(,(car method) ,(concat (cadr method) "+" group)
2786 (,(intern (format "%s-address" (car method))) ,(cadr method))
2789 (defun gnus-server-status (method)
2790 "Return the status of METHOD."
2791 (nth 1 (assoc method gnus-opened-servers)))
2793 (defun gnus-group-name-to-method (group)
2794 "Guess a select method based on GROUP."
2795 (if (string-match ":" group)
2796 (let ((server (substring group 0 (match-beginning 0))))
2797 (if (string-match "\\+" server)
2798 (list (intern (substring server 0 (match-beginning 0)))
2799 (substring server (match-end 0)))
2800 (list (intern server) "")))
2801 gnus-select-method))
2803 (defun gnus-find-method-for-group (group &optional info)
2804 "Find the select method that GROUP uses."
2805 (or gnus-override-method
2808 (and (not (gnus-group-entry group));; a new group
2809 (gnus-group-name-to-method group))
2810 (let ((info (or info (gnus-get-info group)))
2813 (not (setq method (gnus-info-method info)))
2814 (equal method "native"))
2817 (cond ((stringp method)
2818 (inline (gnus-server-to-method method)))
2819 ((stringp (cadr method))
2820 (inline (gnus-server-extend-method group method)))
2823 (cond ((equal (cadr method) "")
2825 ((null (cadr method))
2826 (list (car method) ""))
2828 (gnus-server-add-address method)))))))
2830 (defun gnus-methods-using (feature)
2831 "Find all methods that have FEATURE."
2832 (let ((valids gnus-valid-select-methods)
2835 (when (memq feature (car valids))
2836 (push (car valids) outs))
2837 (setq valids (cdr valids)))
2840 (defun gnus-read-group (prompt &optional default)
2841 "Prompt the user for a group name.
2842 Disallow invalid group names."
2847 gnus-invalid-group-regexp
2848 (setq group (read-string (concat prefix prompt)
2849 (cons (or default "") 0)
2850 'gnus-group-history)))
2851 (setq prefix (format "Invalid group name: \"%s\". " group)
2855 (defun gnus-read-method (prompt)
2856 "Prompt the user for a method.
2857 Allow completion over sensible values."
2859 (append gnus-valid-select-methods
2860 (mapcar (lambda (i) (list (format "%s:%s" (caar i)
2862 gnus-opened-servers)
2863 gnus-predefined-server-alist
2868 nil t nil 'gnus-method-history)))
2871 (setq method gnus-select-method))
2872 ((assoc method gnus-valid-select-methods)
2873 (let ((address (if (memq 'prompt-address
2874 (assoc method gnus-valid-select-methods))
2875 (read-string "Address: ")
2877 (or (let ((opened gnus-opened-servers))
2879 (not (equal (format "%s:%s" method address)
2880 (format "%s:%s" (caaar opened)
2884 (list (intern method) address))))
2885 ((assoc method servers)
2888 (list (intern method) "")))))
2890 ;;; User-level commands.
2893 (defun gnus-slave-no-server (&optional arg)
2894 "Read network news as a slave, without connecting to local server."
2896 (gnus-no-server arg t))
2899 (defun gnus-no-server (&optional arg slave)
2901 If ARG is a positive number, Gnus will use that as the
2902 startup level. If ARG is nil, Gnus will be started at level 2.
2903 If ARG is non-nil and not a positive number, Gnus will
2904 prompt the user for the name of an NNTP server to use.
2905 As opposed to `gnus', this command will not connect to the local server."
2907 (gnus-no-server-1 arg slave))
2910 (defun gnus-slave (&optional arg)
2911 "Read news as a slave."
2913 (gnus arg nil 'slave))
2916 (defun gnus-other-frame (&optional arg)
2917 "Pop up a frame to read news."
2919 (let ((window (get-buffer-window gnus-group-buffer)))
2921 (select-frame (window-frame window)))
2923 (select-frame (make-frame)))))
2926 ;;(setq thing ? ; this is a comment
2930 (defun gnus (&optional arg dont-connect slave)
2932 If ARG is non-nil and a positive number, Gnus will use that as the
2933 startup level. If ARG is non-nil and not a positive number, Gnus will
2934 prompt the user for the name of an NNTP server to use."
2936 (gnus-1 arg dont-connect slave))
2938 ;; Allow redefinition of Gnus functions.
2944 ;;; gnus.el ends here