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 ;; Tatsuya Ichikawa <t-ichi@po.shiojiri.ne.jp>
8 ;; Yoshiki Hayashi <t90553@mail.ecc.u-tokyo.ac.jp>
9 ;; Keywords: news, mail
11 ;; This file is part of GNU Emacs.
13 ;; GNU Emacs is free software; you can redistribute it and/or modify
14 ;; it under the terms of the GNU General Public License as published by
15 ;; the Free Software Foundation; either version 2, or (at your option)
18 ;; GNU Emacs is distributed in the hope that it will be useful,
19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ;; GNU General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with GNU Emacs; see the file COPYING. If not, write to the
25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
26 ;; Boston, MA 02111-1307, USA.
32 (eval '(run-hooks 'gnus-load-hook))
34 (eval-when-compile (require 'cl))
35 (eval-when-compile (require 'static))
41 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
45 (defgroup gnus-charset nil
46 "Group character set issues."
47 :link '(custom-manual "(gnus)Charsets")
50 (defgroup gnus-cache nil
54 (defgroup gnus-start nil
55 "Starting your favorite newsreader."
58 (defgroup gnus-start-server nil
59 "Server options at startup."
62 ;; These belong to gnus-group.el.
63 (defgroup gnus-group nil
65 :link '(custom-manual "(gnus)The Group Buffer")
68 (defgroup gnus-group-foreign nil
70 :link '(custom-manual "(gnus)Foreign Groups")
73 (defgroup gnus-group-new nil
74 "Automatic subscription of new groups."
77 (defgroup gnus-group-levels nil
79 :link '(custom-manual "(gnus)Group Levels")
82 (defgroup gnus-group-select nil
84 :link '(custom-manual "(gnus)Selecting a Group")
87 (defgroup gnus-group-listing nil
88 "Showing slices of the group list."
89 :link '(custom-manual "(gnus)Listing Groups")
92 (defgroup gnus-group-visual nil
93 "Sorting the group buffer."
94 :link '(custom-manual "(gnus)Group Buffer Format")
98 (defgroup gnus-group-various nil
99 "Various group options."
100 :link '(custom-manual "(gnus)Scanning New Messages")
103 ;; These belong to gnus-sum.el.
104 (defgroup gnus-summary nil
106 :link '(custom-manual "(gnus)The Summary Buffer")
109 (defgroup gnus-summary-exit nil
110 "Leaving summary buffers."
111 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
112 :group 'gnus-summary)
114 (defgroup gnus-summary-marks nil
115 "Marks used in summary buffers."
116 :link '(custom-manual "(gnus)Marking Articles")
117 :group 'gnus-summary)
119 (defgroup gnus-thread nil
120 "Ordering articles according to replies."
121 :link '(custom-manual "(gnus)Threading")
122 :group 'gnus-summary)
124 (defgroup gnus-summary-format nil
125 "Formatting of the summary buffer."
126 :link '(custom-manual "(gnus)Summary Buffer Format")
127 :group 'gnus-summary)
129 (defgroup gnus-summary-choose nil
131 :link '(custom-manual "(gnus)Choosing Articles")
132 :group 'gnus-summary)
134 (defgroup gnus-summary-maneuvering nil
135 "Summary movement commands."
136 :link '(custom-manual "(gnus)Summary Maneuvering")
137 :group 'gnus-summary)
139 (defgroup gnus-summary-mail nil
140 "Mail group commands."
141 :link '(custom-manual "(gnus)Mail Group Commands")
142 :group 'gnus-summary)
144 (defgroup gnus-summary-sort nil
145 "Sorting the summary buffer."
146 :link '(custom-manual "(gnus)Sorting")
147 :group 'gnus-summary)
149 (defgroup gnus-summary-visual nil
150 "Highlighting and menus in the summary buffer."
151 :link '(custom-manual "(gnus)Summary Highlighting")
153 :group 'gnus-summary)
155 (defgroup gnus-summary-various nil
156 "Various summary buffer options."
157 :link '(custom-manual "(gnus)Various Summary Stuff")
158 :group 'gnus-summary)
160 (defgroup gnus-summary-pick nil
161 "Pick mode in the summary buffer."
162 :link '(custom-manual "(gnus)Pick and Read")
164 :group 'gnus-summary)
166 (defgroup gnus-summary-tree nil
167 "Tree display of threads in the summary buffer."
168 :link '(custom-manual "(gnus)Tree Display")
170 :group 'gnus-summary)
172 ;; Belongs to gnus-uu.el
173 (defgroup gnus-extract-view nil
174 "Viewing extracted files."
175 :link '(custom-manual "(gnus)Viewing Files")
176 :group 'gnus-extract)
178 ;; Belongs to gnus-score.el
179 (defgroup gnus-score nil
180 "Score and kill file handling."
183 (defgroup gnus-score-kill nil
187 (defgroup gnus-score-adapt nil
188 "Adaptive score files."
191 (defgroup gnus-score-default nil
192 "Default values for score files."
195 (defgroup gnus-score-expire nil
196 "Expiring score rules."
199 (defgroup gnus-score-decay nil
200 "Decaying score rules."
203 (defgroup gnus-score-files nil
204 "Score and kill file names."
208 (defgroup gnus-score-various nil
209 "Various scoring and killing options."
213 (defgroup gnus-visual nil
214 "Options controling the visual fluff."
218 (defgroup gnus-agent nil
219 "Offline support for Gnus."
222 (defgroup gnus-files nil
223 "Files used by Gnus."
226 (defgroup gnus-dribble-file nil
228 :link '(custom-manual "(gnus)Auto Save")
231 (defgroup gnus-newsrc nil
232 "Storing Gnus state."
235 (defgroup gnus-server nil
236 "Options related to newsservers and other servers used by Gnus."
239 (defgroup gnus-message '((message custom-group))
240 "Composing replies and followups in Gnus."
243 (defgroup gnus-meta nil
244 "Meta variables controling major portions of Gnus.
245 In general, modifying these variables does not take affect until Gnus
246 is restarted, and sometimes reloaded."
249 (defgroup gnus-various nil
250 "Other Gnus options."
251 :link '(custom-manual "(gnus)Various Various")
254 (defgroup gnus-mime nil
255 "Variables for controlling the Gnus MIME interface."
258 (defgroup gnus-exit nil
260 :link '(custom-manual "(gnus)Exiting Gnus")
263 (defcustom gnus-inhibit-startup-message nil
264 "If non-nil, the startup message will not be displayed.
265 This variable is used before `.gnus.el' is loaded, so it should
266 be set in `.emacs' instead."
270 (defcustom gnus-play-startup-jingle nil
271 "If non-nil, play the Gnus jingle at startup."
275 (unless (featurep 'gnus-xmas)
276 (defalias 'gnus-make-overlay 'make-overlay)
277 (defalias 'gnus-delete-overlay 'delete-overlay)
278 (defalias 'gnus-overlay-put 'overlay-put)
279 (defalias 'gnus-move-overlay 'move-overlay)
280 (defalias 'gnus-overlay-end 'overlay-end)
281 (defalias 'gnus-extent-detached-p 'ignore)
282 (defalias 'gnus-extent-start-open 'ignore)
283 (defalias 'gnus-set-text-properties 'set-text-properties)
284 (defalias 'gnus-group-remove-excess-properties 'ignore)
285 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
286 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
287 (defalias 'gnus-character-to-event 'identity)
288 (defalias 'gnus-add-text-properties 'add-text-properties)
289 (defalias 'gnus-put-text-property 'put-text-property)
290 (defvar gnus-mode-line-image-cache t)
291 (if (fboundp 'find-image)
292 (defun gnus-mode-line-buffer-identification (line)
293 (let ((str (car-safe line)))
294 (if (and (stringp str)
295 (string-match "^Gnus:" str))
296 (progn (add-text-properties
299 (if (eq t gnus-mode-line-image-cache)
300 (setq gnus-mode-line-image-cache
302 '((:type xpm :file "gnus-pointer.xpm"
304 (:type xbm :file "gnus-pointer.xbm"
306 gnus-mode-line-image-cache)
307 'help-echo "This is Gnus")
311 (defalias 'gnus-mode-line-buffer-identification 'identity))
312 (defalias 'gnus-characterp 'numberp)
313 (defalias 'gnus-deactivate-mark 'deactivate-mark)
314 (defalias 'gnus-window-edges 'window-edges)
315 (defalias 'gnus-key-press-event-p 'numberp)
316 (defalias 'gnus-decode-rfc1522 'ignore))
318 ;; We define these group faces here to avoid the display
319 ;; update forced when creating new faces.
321 (defface gnus-group-news-1-face
324 (:foreground "PaleTurquoise" :bold t))
327 (:foreground "ForestGreen" :bold t))
330 "Level 1 newsgroup face.")
332 (defface gnus-group-news-1-empty-face
335 (:foreground "PaleTurquoise"))
338 (:foreground "ForestGreen"))
341 "Level 1 empty newsgroup face.")
343 (defface gnus-group-news-2-face
346 (:foreground "turquoise" :bold t))
349 (:foreground "CadetBlue4" :bold t))
352 "Level 2 newsgroup face.")
354 (defface gnus-group-news-2-empty-face
357 (:foreground "turquoise"))
360 (:foreground "CadetBlue4"))
363 "Level 2 empty newsgroup face.")
365 (defface gnus-group-news-3-face
374 "Level 3 newsgroup face.")
376 (defface gnus-group-news-3-empty-face
385 "Level 3 empty newsgroup face.")
387 (defface gnus-group-news-4-face
396 "Level 4 newsgroup face.")
398 (defface gnus-group-news-4-empty-face
407 "Level 4 empty newsgroup face.")
409 (defface gnus-group-news-5-face
418 "Level 5 newsgroup face.")
420 (defface gnus-group-news-5-empty-face
429 "Level 5 empty newsgroup face.")
431 (defface gnus-group-news-6-face
440 "Level 6 newsgroup face.")
442 (defface gnus-group-news-6-empty-face
451 "Level 6 empty newsgroup face.")
453 (defface gnus-group-news-low-face
456 (:foreground "DarkTurquoise" :bold t))
459 (:foreground "DarkGreen" :bold t))
462 "Low level newsgroup face.")
464 (defface gnus-group-news-low-empty-face
467 (:foreground "DarkTurquoise"))
470 (:foreground "DarkGreen"))
473 "Low level empty newsgroup face.")
475 (defface gnus-group-mail-1-face
478 (:foreground "aquamarine1" :bold t))
481 (:foreground "DeepPink3" :bold t))
484 "Level 1 mailgroup face.")
486 (defface gnus-group-mail-1-empty-face
489 (:foreground "aquamarine1"))
492 (:foreground "DeepPink3"))
494 (:italic t :bold t)))
495 "Level 1 empty mailgroup face.")
497 (defface gnus-group-mail-2-face
500 (:foreground "aquamarine2" :bold t))
503 (:foreground "HotPink3" :bold t))
506 "Level 2 mailgroup face.")
508 (defface gnus-group-mail-2-empty-face
511 (:foreground "aquamarine2"))
514 (:foreground "HotPink3"))
517 "Level 2 empty mailgroup face.")
519 (defface gnus-group-mail-3-face
522 (:foreground "aquamarine3" :bold t))
525 (:foreground "magenta4" :bold t))
528 "Level 3 mailgroup face.")
530 (defface gnus-group-mail-3-empty-face
533 (:foreground "aquamarine3"))
536 (:foreground "magenta4"))
539 "Level 3 empty mailgroup face.")
541 (defface gnus-group-mail-low-face
544 (:foreground "aquamarine4" :bold t))
547 (:foreground "DeepPink4" :bold t))
550 "Low level mailgroup face.")
552 (defface gnus-group-mail-low-empty-face
555 (:foreground "aquamarine4"))
558 (:foreground "DeepPink4"))
561 "Low level empty mailgroup face.")
563 ;; Summary mode faces.
565 (defface gnus-summary-selected-face '((t
567 "Face used for selected articles.")
569 (defface gnus-summary-cancelled-face
571 (:foreground "yellow" :background "black")))
572 "Face used for cancelled articles.")
574 (defface gnus-summary-high-ticked-face
577 (:foreground "pink" :bold t))
580 (:foreground "firebrick" :bold t))
583 "Face used for high interest ticked articles.")
585 (defface gnus-summary-low-ticked-face
588 (:foreground "pink" :italic t))
591 (:foreground "firebrick" :italic t))
594 "Face used for low interest ticked articles.")
596 (defface gnus-summary-normal-ticked-face
599 (:foreground "pink"))
602 (:foreground "firebrick"))
605 "Face used for normal interest ticked articles.")
607 (defface gnus-summary-high-ancient-face
610 (:foreground "SkyBlue" :bold t))
613 (:foreground "RoyalBlue" :bold t))
616 "Face used for high interest ancient articles.")
618 (defface gnus-summary-low-ancient-face
621 (:foreground "SkyBlue" :italic t))
624 (:foreground "RoyalBlue" :italic t))
627 "Face used for low interest ancient articles.")
629 (defface gnus-summary-normal-ancient-face
632 (:foreground "SkyBlue"))
635 (:foreground "RoyalBlue"))
638 "Face used for normal interest ancient articles.")
640 (defface gnus-summary-high-unread-face
643 "Face used for high interest unread articles.")
645 (defface gnus-summary-low-unread-face
648 "Face used for low interest unread articles.")
650 (defface gnus-summary-normal-unread-face
653 "Face used for normal interest unread articles.")
655 (defface gnus-summary-incorporated-face
658 "Face used for incorporated articles.")
660 (defface gnus-summary-high-read-face
663 (:foreground "PaleGreen"
667 (:foreground "DarkGreen"
671 "Face used for high interest read articles.")
673 (defface gnus-summary-low-read-face
676 (:foreground "PaleGreen"
680 (:foreground "DarkGreen"
684 "Face used for low interest read articles.")
686 (defface gnus-summary-normal-read-face
689 (:foreground "PaleGreen"))
692 (:foreground "DarkGreen"))
695 "Face used for normal interest read articles.")
702 (defvar gnus-buffers nil)
704 (defun gnus-get-buffer-create (name)
705 "Do the same as `get-buffer-create', but store the created buffer."
706 (or (get-buffer name)
707 (car (push (get-buffer-create name) gnus-buffers))))
709 (defun gnus-add-buffer ()
710 "Add the current buffer to the list of Gnus buffers."
711 (push (current-buffer) gnus-buffers))
713 (defun gnus-buffers ()
714 "Return a list of live Gnus buffers."
715 (while (and gnus-buffers
716 (not (buffer-name (car gnus-buffers))))
718 (let ((buffers gnus-buffers))
720 (if (buffer-name (cadr buffers))
722 (setcdr buffers (cddr buffers)))))
727 (defvar gnus-group-buffer "*Group*")
730 (autoload 'gnus-play-jingle "gnus-audio"))
732 (defface gnus-splash-face
735 (:foreground "Brown"))
738 (:foreground "Brown"))
741 "Face of the splash screen.")
743 (defun gnus-splash ()
745 (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
746 (let ((buffer-read-only nil))
748 (unless gnus-inhibit-startup-message
749 (gnus-group-startup-message)
751 (when gnus-play-startup-jingle
752 (gnus-play-jingle))))))
754 (defun gnus-indent-rigidly (start end arg)
755 "Indent rigidly using only spaces and no tabs."
758 (narrow-to-region start end)
760 (indent-rigidly start end arg)
761 ;; We translate tabs into spaces -- not everybody uses
762 ;; an 8-character tab.
763 (goto-char (point-min))
764 (while (search-forward "\t" nil t)
765 (replace-match " " t t))))))
767 (defvar gnus-simple-splash nil)
769 (defun gnus-group-startup-message (&optional x y)
770 "Insert startup message in current buffer."
771 ;; Insert the message.
774 ((and (fboundp 'find-image)
778 `((:type xpm :file "gnus.xpm"
780 (("thing" . "#724214")
781 ("shadow" . "#1e3f03")
782 ("background" . ,(face-background 'default))))
783 (:type xbm :file "gnus.xbm"
784 :foreground ,(face-foreground 'gnus-splash-face)
785 :background ,(face-background 'default))))))
787 (insert gnus-product-name " " gnus-version-number
788 (if (zerop (string-to-number gnus-revision-number))
790 (concat " (r" gnus-revision-number ")"))
791 " based on " gnus-original-product-name " v"
792 gnus-original-version-number "\n")
793 (goto-char (point-min))
794 (insert-char ?\ (max 0 (/ (- (window-width)
795 (gnus-point-at-eol)) 2)))
796 (put-text-property (point) (gnus-point-at-eol)
797 'face 'gnus-splash-face)
799 (let ((size (image-size image)))
800 (insert-char ?\n (max 0 (round (- (window-height)
801 (or y (cdr size)) 2) 2)))
802 (insert-char ?\ (max 0 (round (- (window-width)
803 (or x (car size))) 2)))
804 (insert-image image))
805 (setq gnus-simple-splash nil)
810 _ ___ __ ___ __ _ ___
829 (goto-char (point-min))
830 (insert gnus-product-name " " gnus-version-number
831 (if (zerop (string-to-number gnus-revision-number))
833 (concat " (r" gnus-revision-number ")"))
834 " based on " gnus-original-product-name " v"
835 gnus-original-version-number)
836 (goto-char (point-min))
837 (insert-char ?\ (max 0 (/ (- (window-width) (gnus-point-at-eol)) 2)))
840 (gnus-indent-rigidly (point) (point-max)
841 (/ (max (- (window-width) (or x 46)) 0) 2))
842 (goto-char (point-min))
844 (let* ((pheight (count-lines (point-min) (point-max)))
845 (wheight (window-height))
846 (rest (- wheight pheight)))
847 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
849 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
850 (setq gnus-simple-splash t)))
851 (goto-char (point-min))
852 (setq mode-line-buffer-identification (concat " " gnus-version))
853 (set-buffer-modified-p t))
856 (let ((command (format "%s" this-command)))
857 (if (and (string-match "gnus" command)
858 (not (string-match "gnus-other-frame" command)))
860 (gnus-get-buffer-create gnus-group-buffer))))
868 (defcustom gnus-home-directory "~/"
869 "Directory variable that specifies the \"home\" directory.
870 All other Gnus path variables are initialized from this variable."
874 (defcustom gnus-directory (or (getenv "SAVEDIR")
875 (nnheader-concat gnus-home-directory "News/"))
876 "*Directory variable from which all other Gnus file variables are derived.
878 Note that Gnus is mostly loaded when the `.gnus.el' file is read.
879 This means that other directory variables that are initialized from
880 this variable won't be set properly if you set this variable in `.gnus.el'.
881 Set this variable in `.emacs' instead."
885 (defcustom gnus-default-directory nil
886 "*Default directory for all Gnus buffers."
888 :type '(choice (const :tag "current" nil)
891 ;; Site dependent variables. These variables should be defined in
894 (defvar gnus-default-nntp-server nil
895 "Specify a default NNTP server.
896 This variable should be defined in paths.el, and should never be set
898 If you want to change servers, you should use `gnus-select-method'.
899 See the documentation to that variable.")
901 ;; Don't touch this variable.
902 (defvar gnus-nntp-service "nntp"
903 "NNTP service name (\"nntp\" or 119).
904 This is an obsolete variable, which is scarcely used. If you use an
905 nntp server for your newsgroup and want to change the port number
906 used to 899, you would say something along these lines:
908 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
910 (defcustom gnus-nntpserver-file "/etc/nntpserver"
911 "A file with only the name of the nntp server in it."
916 ;; This function is used to check both the environment variable
917 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
918 ;; an nntp server name default.
919 (defun gnus-getenv-nntpserver ()
920 (or (getenv "NNTPSERVER")
921 (and (file-readable-p gnus-nntpserver-file)
923 (set-buffer (gnus-get-buffer-create " *gnus nntp*"))
924 (insert-file-contents gnus-nntpserver-file)
925 (let ((name (buffer-string)))
927 (if (string-match "\\'[ \t\n]*$" name)
930 (kill-buffer (current-buffer))))))))
932 (defcustom gnus-select-method
935 (list 'nntp (or (condition-case nil
936 (gnus-getenv-nntpserver)
938 (when (and gnus-default-nntp-server
939 (not (string= gnus-default-nntp-server "")))
940 gnus-default-nntp-server)
942 (if (or (null gnus-nntp-service)
943 (equal gnus-nntp-service "nntp"))
945 (list gnus-nntp-service)))
947 "Default method for selecting a newsgroup.
948 This variable should be a list, where the first element is how the
949 news is to be fetched, the second is the address.
951 For instance, if you want to get your news via NNTP from
952 \"flab.flab.edu\", you could say:
954 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
956 If you want to use your local spool, say:
958 \(setq gnus-select-method (list 'nnspool (system-name)))
960 If you use this variable, you must set `gnus-nntp-server' to nil.
962 There is a lot more to know about select methods and virtual servers -
963 see the manual for details."
965 :type 'gnus-select-method)
967 (defcustom gnus-message-archive-method
970 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
971 (nnfolder-active-file
972 ,(nnheader-concat message-directory "archive/active"))
973 (nnfolder-get-new-mail nil)
974 (nnfolder-inhibit-expiry t))
975 "*Method used for archiving messages you've sent.
976 This should be a mail method.
978 It's probably not very effective to change this variable once you've
979 run Gnus once. After doing that, you must edit this server from the
983 :type 'gnus-select-method)
985 (defcustom gnus-message-archive-group nil
986 "*Name of the group in which to save the messages you've written.
987 This can either be a string; a list of strings; or an alist
988 of regexps/functions/forms to be evaluated to return a string (or a list
989 of strings). The functions are called with the name of the current
990 group (or nil) as a parameter.
992 If you want to save your mail in one group and the news articles you
993 write in another group, you could say something like:
995 \(setq gnus-message-archive-group
996 '((if (message-news-p)
1000 Normally the group names returned by this variable should be
1001 unprefixed -- which implicitly means \"store on the archive server\".
1002 However, you may wish to store the message on some other server. In
1003 that case, just return a fully prefixed name of the group --
1004 \"nnml+private:mail.misc\", for instance."
1005 :group 'gnus-message
1006 :type '(choice (const :tag "none" nil)
1011 (defcustom gnus-secondary-servers nil
1012 "List of NNTP servers that the user can choose between interactively.
1013 To make Gnus query you for a server, you have to give `gnus' a
1014 non-numeric prefix - `C-u M-x gnus', in short."
1016 :type '(repeat string))
1018 (defcustom gnus-nntp-server nil
1019 "*The name of the host running the NNTP server.
1020 This variable is semi-obsolete. Use the `gnus-select-method'
1023 :type '(choice (const :tag "disable" nil)
1026 (defcustom gnus-secondary-select-methods nil
1027 "A list of secondary methods that will be used for reading news.
1028 This is a list where each element is a complete select method (see
1029 `gnus-select-method').
1031 If, for instance, you want to read your mail with the nnml backend,
1032 you could set this variable:
1034 \(setq gnus-secondary-select-methods '((nnml \"\")))"
1036 :type '(repeat gnus-select-method))
1038 (defvar gnus-backup-default-subscribed-newsgroups
1039 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
1040 "Default default new newsgroups the first time Gnus is run.
1041 Should be set in paths.el, and shouldn't be touched by the user.")
1043 (defcustom gnus-local-domain nil
1044 "Local domain name without a host name.
1045 The DOMAINNAME environment variable is used instead if it is defined.
1046 If the `system-name' function returns the full Internet name, there is
1047 no need to set this variable."
1048 :group 'gnus-message
1049 :type '(choice (const :tag "default" nil)
1052 (defvar gnus-local-organization nil
1053 "String with a description of what organization (if any) the user belongs to.
1054 Obsolete variable; use `message-user-organization' instead.")
1056 ;; Customization variables
1058 (defcustom gnus-refer-article-method nil
1059 "Preferred method for fetching an article by Message-ID.
1060 If you are reading news from the local spool (with nnspool), fetching
1061 articles by Message-ID is painfully slow. By setting this method to an
1062 nntp method, you might get acceptable results.
1064 The value of this variable must be a valid select method as discussed
1065 in the documentation of `gnus-select-method'.
1067 It can also be a list of select methods, as well as the special symbol
1068 `current', which means to use the current select method. If it is a
1069 list, Gnus will try all the methods in the list until it finds a match."
1071 :type '(choice (const :tag "default" nil)
1072 (const :tag "DejaNews" (nnweb "refer" (nnweb-type dejanews)))
1074 (repeat :menu-tag "Try multiple"
1076 :value (current (nnweb "refer" (nnweb-type dejanews)))
1077 (choice :tag "Method"
1079 (const :tag "DejaNews"
1080 (nnweb "refer" (nnweb-type dejanews)))
1081 gnus-select-method))))
1083 (defcustom gnus-group-faq-directory
1084 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
1085 "/ftp@sunsite.auc.dk:/pub/usenet/"
1086 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
1087 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
1088 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
1089 "/ftp@rtfm.mit.edu:/pub/usenet/"
1090 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
1091 "/ftp@ftp.sunet.se:/pub/usenet/"
1092 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
1093 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
1094 "/ftp@ftp.hk.super.net:/mirror/faqs/")
1095 "*Directory where the group FAQs are stored.
1096 This will most commonly be on a remote machine, and the file will be
1097 fetched by ange-ftp.
1099 This variable can also be a list of directories. In that case, the
1100 first element in the list will be used by default. The others can
1101 be used when being prompted for a site.
1103 Note that Gnus uses an aol machine as the default directory. If this
1104 feels fundamentally unclean, just think of it as a way to finally get
1105 something of value back from them.
1107 If the default site is too slow, try one of these:
1109 North America: mirrors.aol.com /pub/rtfm/usenet
1110 ftp.seas.gwu.edu /pub/rtfm
1111 rtfm.mit.edu /pub/usenet
1112 Europe: ftp.uni-paderborn.de /pub/FAQ
1113 src.doc.ic.ac.uk /usenet/news-FAQS
1114 ftp.sunet.se /pub/usenet
1115 sunsite.auc.dk /pub/usenet
1116 Asia: nctuccca.edu.tw /USENET/FAQ
1117 hwarang.postech.ac.kr /pub/usenet
1118 ftp.hk.super.net /mirror/faqs"
1119 :group 'gnus-group-various
1120 :type '(choice directory
1121 (repeat directory)))
1123 (defcustom gnus-use-cross-reference t
1124 "*Non-nil means that cross referenced articles will be marked as read.
1125 If nil, ignore cross references. If t, mark articles as read in
1126 subscribed newsgroups. If neither t nor nil, mark as read in all
1129 :type '(choice (const :tag "off" nil)
1130 (const :tag "subscribed" t)
1134 (defcustom gnus-process-mark ?#
1136 :group 'gnus-group-visual
1137 :group 'gnus-summary-marks
1140 (defcustom gnus-large-newsgroup 200
1141 "*The number of articles which indicates a large newsgroup.
1142 If the number of articles in a newsgroup is greater than this value,
1143 confirmation is required for selecting the newsgroup."
1144 :group 'gnus-group-select
1147 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
1148 "*Non-nil means that the default name of a file to save articles in is the group name.
1149 If it's nil, the directory form of the group name is used instead.
1151 If this variable is a list, and the list contains the element
1152 `not-score', long file names will not be used for score files; if it
1153 contains the element `not-save', long file names will not be used for
1154 saving; and if it contains the element `not-kill', long file names
1155 will not be used for kill files.
1157 Note that the default for this variable varies according to what system
1158 type you're using. On `usg-unix-v' and `xenix' this variable defaults
1159 to nil while on all other systems it defaults to t."
1163 (defcustom gnus-kill-files-directory gnus-directory
1164 "*Name of the directory where kill files will be stored (default \"~/News\")."
1165 :group 'gnus-score-files
1166 :group 'gnus-score-kill
1169 (defcustom gnus-save-score nil
1170 "*If non-nil, save group scoring info."
1171 :group 'gnus-score-various
1175 (defcustom gnus-use-undo t
1176 "*If non-nil, allow undoing in Gnus group mode buffers."
1180 (defcustom gnus-use-adaptive-scoring nil
1181 "*If non-nil, use some adaptive scoring scheme.
1182 If a list, then the values `word' and `line' are meaningful. The
1183 former will perform adaption on individual words in the subject
1184 header while `line' will perform adaption on several headers."
1186 :group 'gnus-score-adapt
1187 :type '(set (const word) (const line)))
1189 (defcustom gnus-use-cache 'passive
1190 "*If nil, Gnus will ignore the article cache.
1191 If `passive', it will allow entering (and reading) articles
1192 explicitly entered into the cache. If anything else, use the
1193 cache to the full extent of the law."
1196 :type '(choice (const :tag "off" nil)
1197 (const :tag "passive" passive)
1198 (const :tag "active" t)))
1200 (defcustom gnus-use-trees nil
1201 "*If non-nil, display a thread tree buffer."
1205 (defcustom gnus-use-grouplens nil
1206 "*If non-nil, use GroupLens ratings."
1210 (defcustom gnus-keep-backlog nil
1211 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1212 If it is a number N, then Gnus will only keep the last N articles
1213 read. If it is neither nil nor a number, Gnus will keep all read
1214 articles. This is not a good idea."
1216 :type '(choice (const :tag "off" nil)
1221 (defcustom gnus-use-nocem nil
1222 "*If non-nil, Gnus will read NoCeM cancel messages."
1226 (defcustom gnus-suppress-duplicates nil
1227 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1231 (defcustom gnus-use-scoring t
1232 "*If non-nil, enable scoring."
1236 (defcustom gnus-use-picons nil
1237 "*If non-nil, display picons in a frame of their own."
1241 (defcustom gnus-summary-prepare-exit-hook
1242 '(gnus-summary-expire-articles)
1243 "*A hook called when preparing to exit from the summary buffer.
1244 It calls `gnus-summary-expire-articles' by default."
1245 :group 'gnus-summary-exit
1248 (defcustom gnus-novice-user t
1249 "*Non-nil means that you are a usenet novice.
1250 If non-nil, verbose messages may be displayed and confirmations may be
1255 (defcustom gnus-expert-user nil
1256 "*Non-nil means that you will never be asked for confirmation about anything.
1257 That doesn't mean *anything* anything; particularly destructive
1258 commands will still require prompting."
1262 (defcustom gnus-interactive-catchup t
1263 "*If non-nil, require your confirmation when catching up a group."
1264 :group 'gnus-group-select
1267 (defcustom gnus-interactive-exit t
1268 "*If non-nil, require your confirmation when exiting Gnus."
1272 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1273 "*Function for extracting address components from a From header.
1274 Two pre-defined function exist: `gnus-extract-address-components',
1275 which is the default, quite fast, and too simplistic solution, and
1276 `mail-extract-address-components', which works much better, but is
1278 :group 'gnus-summary-format
1279 :type '(radio (function-item gnus-extract-address-components)
1280 (function-item mail-extract-address-components)
1281 (function-item std11-extract-address-components)
1282 (function :tag "Other")))
1284 (defcustom gnus-carpal nil
1285 "*If non-nil, display clickable icons."
1289 (defcustom gnus-shell-command-separator ";"
1290 "String used to separate to shell commands."
1294 (defcustom gnus-valid-select-methods
1295 '(("nntp" post address prompt-address physical-address)
1296 ("nnspool" post address)
1297 ("nnvirtual" post-mail virtual prompt-address)
1298 ("nnmbox" mail respool address)
1299 ("nnml" mail respool address)
1300 ("nnmh" mail respool address)
1301 ("nndir" post-mail prompt-address physical-address)
1302 ("nneething" none address prompt-address physical-address)
1303 ("nndoc" none address prompt-address)
1304 ("nnbabyl" mail address respool)
1305 ("nnkiboze" post virtual)
1306 ("nnsoup" post-mail address)
1307 ("nndraft" post-mail)
1308 ("nnfolder" mail respool address)
1309 ("nngateway" post-mail address prompt-address physical-address)
1315 ("nnagent" post-mail)
1316 ("nnimap" post-mail address prompt-address physical-address))
1317 "*An alist of valid select methods.
1318 The first element of each list lists should be a string with the name
1319 of the select method. The other elements may be the category of
1320 this method (i. e., `post', `mail', `none' or whatever) or other
1321 properties that this method has (like being respoolable).
1322 If you implement a new select method, all you should have to change is
1323 this variable. I think."
1325 :type '(repeat (group (string :tag "Name")
1326 (radio-button-choice (const :format "%v " post)
1327 (const :format "%v " mail)
1328 (const :format "%v " none)
1330 (checklist :inline t
1331 (const :format "%v " address)
1332 (const :format "%v " prompt-address)
1333 (const :format "%v " physical-address)
1334 (const :format "%v " virtual)
1337 (defun gnus-redefine-select-method-widget ()
1338 "Recomputes the select-method widget based on the value of
1339 `gnus-valid-select-methods'."
1340 (define-widget 'gnus-select-method 'list
1341 "Widget for entering a select method."
1343 :tag "Select Method"
1344 :args `((choice :tag "Method"
1345 ,@(mapcar (lambda (entry)
1346 (list 'const :format "%v\n"
1347 (intern (car entry))))
1348 gnus-valid-select-methods)
1349 (symbol :tag "other"))
1350 (string :tag "Address")
1351 (repeat :tag "Options"
1355 (sexp :tag "Value"))))
1358 (gnus-redefine-select-method-widget)
1360 (defcustom gnus-updated-mode-lines '(group article summary tree)
1361 "List of buffers that should update their mode lines.
1362 The list may contain the symbols `group', `article', `tree' and
1363 `summary'. If the corresponding symbol is present, Gnus will keep
1364 that mode line updated with information that may be pertinent.
1365 If this variable is nil, screen refresh may be quicker."
1366 :group 'gnus-various
1367 :type '(set (const group)
1372 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1373 (defcustom gnus-mode-non-string-length nil
1374 "*Max length of mode-line non-string contents.
1375 If this is nil, Gnus will take space as is needed, leaving the rest
1376 of the modeline intact. Note that the default of nil is unlikely
1377 to be desirable; see the manual for further details."
1378 :group 'gnus-various
1379 :type '(choice (const nil)
1382 (defcustom gnus-auto-expirable-newsgroups nil
1383 "*Groups in which to automatically mark read articles as expirable.
1384 If non-nil, this should be a regexp that should match all groups in
1385 which to perform auto-expiry. This only makes sense for mail groups."
1386 :group 'nnmail-expire
1387 :type '(choice (const nil)
1390 (defcustom gnus-total-expirable-newsgroups nil
1391 "*Groups in which to perform expiry of all read articles.
1392 Use with extreme caution. All groups that match this regexp will be
1393 expiring - which means that all read articles will be deleted after
1394 \(say) one week. (This only goes for mail groups and the like, of
1396 :group 'nnmail-expire
1397 :type '(choice (const nil)
1400 (defcustom gnus-group-uncollapsed-levels 1
1401 "Number of group name elements to leave alone when making a short group name."
1402 :group 'gnus-group-visual
1405 (defcustom gnus-group-use-permanent-levels nil
1406 "*If non-nil, once you set a level, Gnus will use this level."
1407 :group 'gnus-group-levels
1412 (defcustom gnus-load-hook nil
1413 "A hook run while Gnus is loaded."
1417 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1418 "A hook called to apply kill files to a group.
1419 This hook is intended to apply a kill file to the selected newsgroup.
1420 The function `gnus-apply-kill-file' is called by default.
1422 Since a general kill file is too heavy to use only for a few
1423 newsgroups, I recommend you to use a lighter hook function. For
1424 example, if you'd like to apply a kill file to articles which contains
1425 a string `rmgroup' in subject in newsgroup `control', you can use the
1428 (setq gnus-apply-kill-hook
1431 (cond ((string-match \"control\" gnus-newsgroup-name)
1432 (gnus-kill \"Subject\" \"rmgroup\")
1433 (gnus-expunge \"X\"))))))"
1434 :group 'gnus-score-kill
1435 :options '(gnus-apply-kill-file)
1438 (defcustom gnus-group-change-level-function nil
1439 "Function run when a group level is changed.
1440 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1441 :group 'gnus-group-levels
1446 (defcustom gnus-visual
1447 '(summary-highlight group-highlight article-highlight
1449 summary-menu group-menu article-menu
1450 tree-highlight menu highlight
1451 browse-menu server-menu
1452 page-marker tree-menu binary-menu pick-menu
1454 "*Enable visual features.
1455 If `visual' is disabled, there will be no menus and few faces. Most of
1456 the visual customization options below will be ignored. Gnus will use
1457 less space and be faster as a result.
1459 This variable can also be a list of visual elements to switch on. For
1460 instance, to switch off all visual things except menus, you can say:
1462 (setq gnus-visual '(menu))
1464 Valid elements include `summary-highlight', `group-highlight',
1465 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1466 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1467 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1468 and `grouplens-menu'."
1471 :type '(set (const summary-highlight)
1472 (const group-highlight)
1473 (const article-highlight)
1475 (const summary-menu)
1477 (const article-menu)
1478 (const tree-highlight)
1487 (const grouplens-menu)))
1489 (defcustom gnus-mouse-face
1491 (if (gnus-visual-p 'mouse-face 'highlight)
1492 (if (boundp 'gnus-mouse-face)
1493 (or gnus-mouse-face 'highlight)
1497 "*Face used for group or summary buffer mouse highlighting.
1498 The line beneath the mouse pointer will be highlighted with this
1503 (defcustom gnus-article-save-directory gnus-directory
1504 "*Name of the directory articles will be saved in (default \"~/News\")."
1505 :group 'gnus-article-saving
1508 (defvar gnus-plugged t
1509 "Whether Gnus is plugged or not.")
1511 (defcustom gnus-default-charset 'iso-8859-1
1512 "Default charset assumed to be used when viewing non-ASCII characters.
1513 This variable is overridden on a group-to-group basis by the
1514 gnus-group-charset-alist variable and is only used on groups not
1515 covered by that variable."
1517 :group 'gnus-charset)
1519 (defcustom gnus-default-posting-charset nil
1520 "Default charset assumed to be used when posting non-ASCII characters.
1521 This variable is overridden on a group-to-group basis by the
1522 gnus-group-posting-charset-alist variable and is only used on groups not
1523 covered by that variable.
1524 If nil, no default charset is assumed when posting."
1526 :group 'gnus-charset)
1529 ;;; Internal variables
1531 (defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
1532 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1533 (defvar gnus-original-article-buffer " *Original Article*")
1534 (defvar gnus-newsgroup-name nil)
1535 (defvar gnus-ephemeral-servers nil)
1537 (defvar gnus-agent nil
1538 "Whether we want to use the Gnus agent or not.")
1540 (defvar gnus-command-method nil
1541 "Dynamically bound variable that says what the current backend is.")
1543 (defvar gnus-current-select-method nil
1544 "The current method for selecting a newsgroup.")
1546 (defvar gnus-tree-buffer "*Tree*"
1547 "Buffer where Gnus thread trees are displayed.")
1550 (defvar gnus-use-generic-from nil)
1552 ;; Variable holding the user answers to all method prompts.
1553 (defvar gnus-method-history nil)
1555 ;; Variable holding the user answers to all mail method prompts.
1556 (defvar gnus-mail-method-history nil)
1558 ;; Variable holding the user answers to all group prompts.
1559 (defvar gnus-group-history nil)
1561 (defvar gnus-server-alist nil
1562 "List of available servers.")
1564 (defcustom gnus-cache-directory
1565 (nnheader-concat gnus-directory "cache/")
1566 "*The directory where cached articles will be stored."
1570 (defvar gnus-predefined-server-alist
1573 (nnspool-spool-directory ,gnus-cache-directory)
1574 (nnspool-nov-directory ,gnus-cache-directory)
1575 (nnspool-active-file
1576 ,(nnheader-concat gnus-cache-directory "active"))))
1577 "List of predefined (convenience) servers.")
1579 (defvar gnus-topic-indentation "");; Obsolete variable.
1581 (defconst gnus-article-mark-lists
1582 '((marked . tick) (replied . reply)
1583 (expirable . expire) (killed . killed)
1584 (bookmarks . bookmark) (dormant . dormant)
1585 (scored . score) (saved . save)
1586 (cached . cache) (downloadable . download)
1587 (unsendable . unsend)))
1589 (defvar gnus-headers-retrieved-by nil)
1590 (defvar gnus-article-reply nil)
1591 (defvar gnus-override-method nil)
1592 (defvar gnus-article-check-size nil)
1593 (defvar gnus-opened-servers nil)
1595 (defvar gnus-current-kill-article nil)
1597 (defvar gnus-have-read-active-file nil)
1599 (defconst gnus-maintainer
1600 "semi-gnus-ja@meadow.scphys.kyoto-u.ac.jp (T-gnus Bugfixing Girls + Boys)"
1601 "The mail address of the T-gnus maintainers.")
1603 (defcustom gnus-info-filename nil
1604 "*Controls language of gnus Info.
1605 If nil and current-language-environment is Japanese, go to gnus-ja.
1606 Otherwise go to corresponding Info.
1607 This variable can be nil, gnus or gnus-ja."
1609 :type '(choice (const nil)
1610 (const :tag "English" gnus)
1611 (const :tag "Japanese" gnus-ja)))
1613 (defvar gnus-info-nodes
1614 '((gnus-group-mode "The Group Buffer")
1615 (gnus-summary-mode "The Summary Buffer")
1616 (gnus-article-mode "The Article Buffer")
1617 (gnus-server-mode "The Server Buffer")
1618 (gnus-browse-mode "Browse Foreign Server")
1619 (gnus-tree-mode "Tree Display"))
1620 "Alist of major modes and related Info nodes.")
1622 (defvar gnus-group-buffer "*Group*")
1623 (defvar gnus-summary-buffer "*Summary*")
1624 (defvar gnus-article-buffer "*Article*")
1625 (defvar gnus-server-buffer "*Server*")
1627 (defvar gnus-slave nil
1628 "Whether this Gnus is a slave or not.")
1630 (defvar gnus-batch-mode nil
1631 "Whether this Gnus is running in batch mode or not.")
1633 (defvar gnus-variable-list
1634 '(gnus-newsrc-options gnus-newsrc-options-n
1635 gnus-newsrc-last-checked-date
1636 gnus-newsrc-alist gnus-server-alist
1637 gnus-killed-list gnus-zombie-list
1638 gnus-topic-topology gnus-topic-alist)
1639 "Gnus variables saved in the quick startup file.")
1641 (defvar gnus-product-variable-file-list
1642 (let ((version (product-version (product-find 'gnus-vers)))
1643 (codesys (static-if (boundp 'MULE) '*ctext* 'ctext)))
1644 `(("strict-cache" ((product-version ,version) (emacs-version))
1646 gnus-format-specs-compiled)
1647 ("cache" ((product-version ,version))
1649 gnus-format-specs)))
1650 "Gnus variables are saved in the produce depend quick startup files.")
1652 (defcustom gnus-compile-user-specs t
1653 "If non-nil, the user-defined format specs will be byte-compiled
1655 It has an effect on the values of `gnus-*-line-format-spec'."
1659 (defvar gnus-newsrc-alist nil
1660 "Assoc list of read articles.
1661 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1663 (defvar gnus-newsrc-hashtb nil
1664 "Hashtable of gnus-newsrc-alist.")
1666 (defvar gnus-killed-list nil
1667 "List of killed newsgroups.")
1669 (defvar gnus-killed-hashtb nil
1670 "Hash table equivalent of gnus-killed-list.")
1672 (defvar gnus-zombie-list nil
1673 "List of almost dead newsgroups.")
1675 (defvar gnus-description-hashtb nil
1676 "Descriptions of newsgroups.")
1678 (defvar gnus-list-of-killed-groups nil
1679 "List of newsgroups that have recently been killed by the user.")
1681 (defvar gnus-active-hashtb nil
1682 "Hashtable of active articles.")
1684 (defvar gnus-moderated-hashtb nil
1685 "Hashtable of moderated newsgroups.")
1687 ;; Save window configuration.
1688 (defvar gnus-prev-winconf nil)
1690 (defvar gnus-reffed-article-number nil)
1692 ;;; Let the byte-compiler know that we know about this variable.
1693 (defvar rmail-default-rmail-file)
1695 (defvar gnus-dead-summary nil)
1697 (defvar gnus-article-display-hook nil
1698 "Controls how the article buffer will look. This is an obsolete variable;
1699 use the article treating faculties instead. Is is described in Info node
1700 `Customizing Articles'.")
1702 (defvar gnus-invalid-group-regexp "[: `'\"/]\\|^$"
1703 "Regexp matching invalid groups.")
1705 ;;; End of variables.
1707 ;; Define some autoload functions Gnus might use.
1710 ;; This little mapcar goes through the list below and marks the
1711 ;; symbols in question as autoloaded functions.
1714 (let ((interactive (nth 1 (memq ':interactive package))))
1718 (when (consp function)
1719 (setq keymap (car (memq 'keymap function)))
1720 (setq function (car function)))
1721 (unless (fboundp function)
1722 (autoload function (car package) nil interactive keymap))))
1723 (if (eq (nth 1 package) ':interactive)
1726 '(("info" :interactive t Info-goto-node)
1727 ("pp" pp pp-to-string pp-eval-expression)
1728 ("ps-print" ps-print-preprint)
1729 ("browse-url" :interactive t browse-url)
1730 ("message" :interactive t
1731 message-send-and-exit message-yank-original)
1732 ("babel" babel-as-string)
1733 ("nnmail" nnmail-split-fancy nnmail-article-group)
1734 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1735 ("rmailout" rmail-output rmail-output-to-rmail-file)
1736 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1737 rmail-show-message rmail-summary-exists
1738 rmail-select-summary rmail-update-summary)
1739 ("gnus-audio" :interactive t gnus-audio-play)
1740 ("gnus-xmas" gnus-xmas-splash)
1741 ("gnus-soup" :interactive t
1742 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1743 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1744 ("nnsoup" nnsoup-pack-replies)
1745 ("score-mode" :interactive t gnus-score-mode)
1746 ("gnus-mh" gnus-summary-save-article-folder
1747 gnus-Folder-save-name gnus-folder-save-name)
1748 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1749 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1750 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1751 gnus-demon-add-disconnection gnus-demon-add-handler
1752 gnus-demon-remove-handler)
1753 ("gnus-demon" :interactive t
1754 gnus-demon-init gnus-demon-cancel)
1755 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1756 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1757 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1758 gnus-nocem-unwanted-article-p)
1759 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1760 gnus-server-server-name)
1761 ("gnus-srvr" gnus-browse-foreign-server)
1762 ("gnus-cite" :interactive t
1763 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1764 gnus-article-hide-citation gnus-article-fill-cited-article
1765 gnus-article-hide-citation-in-followups)
1766 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1767 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1768 gnus-execute gnus-expunge gnus-batch-kill gnus-batch-score)
1769 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1770 gnus-cache-possibly-remove-articles gnus-cache-request-article
1771 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1772 gnus-cache-enter-remove-article gnus-cached-article-p
1773 gnus-cache-open gnus-cache-close gnus-cache-update-article
1774 gnus-cache-articles-in-group)
1775 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1776 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1777 ("gnus-score" :interactive t
1778 gnus-summary-increase-score gnus-summary-set-score
1779 gnus-summary-raise-thread gnus-summary-raise-same-subject
1780 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1781 gnus-summary-lower-thread gnus-summary-lower-same-subject
1782 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1783 gnus-summary-current-score gnus-score-delta-default
1784 gnus-score-flush-cache gnus-score-close
1785 gnus-possibly-score-headers gnus-score-followup-article
1786 gnus-score-followup-thread)
1788 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1789 gnus-current-score-file-nondirectory gnus-score-adaptive
1790 gnus-score-find-trace gnus-score-file-name)
1791 ("gnus-cus" :interactive t gnus-custom-mode gnus-group-customize
1792 gnus-score-customize)
1793 ("gnus-topic" :interactive t gnus-topic-mode)
1794 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters
1795 gnus-subscribe-topics)
1796 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1797 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1798 ("gnus-uu" :interactive t
1799 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1800 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1801 gnus-uu-mark-by-regexp gnus-uu-mark-all
1802 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1803 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1804 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1805 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1806 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1807 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1808 gnus-uu-decode-binhex-view gnus-uu-unmark-thread
1809 gnus-uu-mark-over gnus-uu-post-news)
1810 ("gnus-uu" gnus-uu-delete-work-dir gnus-quote-arg-for-sh-or-csh
1811 gnus-uu-unmark-thread)
1812 ("gnus-msg" (gnus-summary-send-map keymap)
1813 gnus-article-mail gnus-copy-article-buffer gnus-following-method)
1814 ("gnus-msg" :interactive t
1815 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1816 gnus-summary-followup gnus-summary-followup-with-original
1817 gnus-summary-cancel-article gnus-summary-supersede-article
1818 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1819 gnus-summary-mail-forward gnus-summary-mail-other-window
1820 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1821 gnus-summary-wide-reply gnus-summary-followup-to-mail
1822 gnus-summary-followup-to-mail-with-original gnus-bug
1823 gnus-summary-wide-reply-with-original
1824 gnus-summary-post-forward gnus-summary-wide-reply-with-original
1825 gnus-summary-post-forward)
1826 ("gnus-picon" :interactive t gnus-article-display-picons
1827 gnus-group-display-picons)
1828 ("gnus-picon" gnus-picons-buffer-name)
1829 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1830 gnus-grouplens-mode)
1831 ("smiley" :interactive t gnus-smiley-display)
1832 ("smiley" smiley-toggle-buffer)
1833 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1834 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1835 gnus-list-of-unread-articles gnus-list-of-read-articles
1836 gnus-offer-save-summaries gnus-make-thread-indent-array
1837 gnus-summary-exit gnus-update-read-articles gnus-summary-last-subject
1838 gnus-summary-skip-intangible gnus-summary-article-number
1839 gnus-data-header gnus-data-find gnus-summary-jump-to-other-group)
1840 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1841 gnus-group-list-groups gnus-group-first-unread-group
1842 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1843 gnus-group-setup-buffer gnus-group-get-new-news
1844 gnus-group-make-help-group gnus-group-update-group
1845 gnus-group-iterate gnus-group-group-name)
1846 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1847 gnus-backlog-remove-article)
1848 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1849 gnus-article-prepare gnus-article-set-window-start
1850 gnus-article-next-page gnus-article-prev-page
1851 gnus-request-article-this-buffer gnus-article-mode
1852 gnus-article-setup-buffer gnus-narrow-to-page
1853 gnus-article-delete-invisible-text gnus-treat-article)
1854 ("gnus-art" :interactive t
1855 gnus-article-hide-headers gnus-article-hide-boring-headers
1856 gnus-article-treat-overstrike
1857 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1858 gnus-article-display-x-face
1859 gnus-article-decode-HZ
1860 gnus-article-wash-html
1861 gnus-article-hide-pgp
1862 gnus-article-hide-pem gnus-article-hide-signature
1863 gnus-article-strip-leading-blank-lines gnus-article-date-local
1864 gnus-article-date-original gnus-article-date-lapsed
1865 gnus-article-show-all-headers gnus-article-show-all
1866 gnus-article-edit-mode gnus-article-edit-article
1867 gnus-article-edit-done article-decode-encoded-words
1868 gnus-start-date-timer gnus-stop-date-timer
1869 gnus-article-toggle-headers)
1870 ("gnus-int" gnus-request-type)
1871 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1872 gnus-dribble-enter gnus-read-init-file gnus-dribble-touch)
1873 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1874 gnus-dup-enter-articles)
1875 ("gnus-range" gnus-copy-sequence)
1876 ("gnus-eform" gnus-edit-form)
1877 ("gnus-move" :interactive t
1878 gnus-group-move-group-to-server gnus-change-server)
1879 ("gnus-logic" gnus-score-advanced)
1880 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1881 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1882 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1883 gnus-async-halt-prefetch)
1886 ("gnus-offline" :interactive t
1887 gnus-offline-toggle-plugged
1888 gnus-offline-set-unplugged-state
1889 gnus-offline-toggle-auto-hangup
1890 gnus-offline-toggle-on/off-send-mail
1891 gnus-offline-toggle-articles-to-fetch
1892 gnus-offline-set-interval-time
1893 gnus-offline-agent-expire)
1894 ("miee" :interactive t gnspool-get-news
1895 mail-spool-send news-spool-post)
1896 ("international/mw32misc" define-process-argument-editing
1897 general-process-argument-editing-function)
1898 ("gnus-agent" gnus-open-agent gnus-agent-get-function
1899 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
1900 gnus-agent-get-undownloaded-list gnus-agent-fetch-session
1901 gnus-summary-set-agent-mark gnus-agent-save-group-info)
1902 ("gnus-agent" :interactive t
1903 gnus-unplugged gnus-agentize gnus-agent-batch)
1904 ("gnus-vm" :interactive t gnus-summary-save-in-vm
1905 gnus-summary-save-article-vm)
1906 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-drafts)
1907 ("gnus-mlspl" gnus-group-split gnus-group-split-fancy)
1908 ("gnus-mlspl" :interactive t gnus-group-split-setup
1909 gnus-group-split-update))))
1912 (unless (featurep 'xemacs)
1913 (autoload 'gnus-smiley-display "gnus-bitmap" nil t)
1914 (autoload 'smiley-toggle-buffer "gnus-bitmap")
1915 (autoload 'x-face-mule-gnus-article-display-x-face "x-face-mule")))
1917 ;;; gnus-sum.el thingies
1920 (defcustom gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
1921 "*The format specification of the lines in the summary buffer.
1923 It works along the same lines as a normal formatting string,
1924 with some simple extensions.
1926 %N Article number, left padded with spaces (string)
1928 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1929 %n Name of the poster (string)
1930 %a Extracted name of the poster (string)
1931 %A Extracted address of the poster (string)
1932 %F Contents of the From: header (string)
1933 %f Contents of the From: or To: headers (string)
1934 %x Contents of the Xref: header (string)
1935 %D Date of the article (string)
1936 %d Date of the article (string) in DD-MMM format
1937 %M Message-id of the article (string)
1938 %r References of the article (string)
1939 %c Number of characters in the article (integer)
1940 %L Number of lines in the article (integer)
1941 %I Indentation based on thread level (a string of spaces)
1942 %T A string with two possible values: 80 spaces if the article
1943 is on thread level two or larger and 0 spaces on level one
1944 %R \"A\" if this article has been replied to, \" \" otherwise (character)
1945 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
1946 %[ Opening bracket (character, \"[\" or \"<\")
1947 %] Closing bracket (character, \"]\" or \">\")
1948 %> Spaces of length thread-level (string)
1949 %< Spaces of length (- 20 thread-level) (string)
1950 %i Article score (number)
1951 %z Article zcore (character)
1952 %t Number of articles under the current thread (number).
1953 %e Whether the thread is empty or not (character).
1954 %l GroupLens score (string).
1955 %V Total thread score (number).
1956 %P The line number (number).
1957 %O Download mark (character).
1958 %u User defined specifier. The next character in the format string should
1959 be a letter. Gnus will call the function gnus-user-format-function-X,
1960 where X is the letter following %u. The function will be passed the
1961 current header as argument. The function should return a string, which
1962 will be inserted into the summary just like information from any other
1965 Text between %( and %) will be highlighted with `gnus-mouse-face'
1966 when the mouse point is placed inside the area. There can only be one
1969 The %U (status), %R (replied) and %z (zcore) specs have to be handled
1970 with care. For reasons of efficiency, Gnus will compute what column
1971 these characters will end up in, and \"hard-code\" that. This means that
1972 it is invalid to have these specs after a variable-length spec. Well,
1973 you might not be arrested, but your summary buffer will look strange,
1974 which is bad enough.
1976 The smart choice is to have these specs as for to the left as
1979 This restriction may disappear in later versions of Gnus."
1981 :group 'gnus-summary-format)
1984 ;;; Skeleton keymaps
1987 (defun gnus-suppress-keymap (keymap)
1988 (suppress-keymap keymap)
1989 (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
1991 (define-key keymap (pop keys) 'undefined))))
1993 (defvar gnus-article-mode-map
1994 (let ((keymap (make-sparse-keymap)))
1995 (gnus-suppress-keymap keymap)
1997 (defvar gnus-summary-mode-map
1998 (let ((keymap (make-keymap)))
1999 (gnus-suppress-keymap keymap)
2001 (defvar gnus-group-mode-map
2002 (let ((keymap (make-keymap)))
2003 (gnus-suppress-keymap keymap)
2008 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
2009 ;; If you want the cursor to go somewhere else, set these two
2010 ;; functions in some startup hook to whatever you want.
2011 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
2012 (defalias 'gnus-group-position-point 'gnus-goto-colon)
2014 ;;; Various macros and substs.
2016 (defun gnus-header-from (header)
2017 (mail-header-from header))
2019 (defmacro gnus-gethash (string hashtable)
2020 "Get hash value of STRING in HASHTABLE."
2021 `(symbol-value (intern-soft ,string ,hashtable)))
2023 (defmacro gnus-sethash (string value hashtable)
2024 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
2025 `(set (intern ,string ,hashtable) ,value))
2026 (put 'gnus-sethash 'edebug-form-spec '(form form form))
2028 (defmacro gnus-group-unread (group)
2029 "Get the currently computed number of unread articles in GROUP."
2030 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
2032 (defmacro gnus-group-entry (group)
2033 "Get the newsrc entry for GROUP."
2034 `(gnus-gethash ,group gnus-newsrc-hashtb))
2036 (defmacro gnus-active (group)
2037 "Get active info on GROUP."
2038 `(gnus-gethash ,group gnus-active-hashtb))
2040 (defmacro gnus-set-active (group active)
2041 "Set GROUP's active info."
2042 `(gnus-sethash ,group ,active gnus-active-hashtb))
2044 ;; Info access macros.
2046 (defmacro gnus-info-group (info)
2048 (defmacro gnus-info-rank (info)
2050 (defmacro gnus-info-read (info)
2052 (defmacro gnus-info-marks (info)
2054 (defmacro gnus-info-method (info)
2056 (defmacro gnus-info-params (info)
2059 (defmacro gnus-info-level (info)
2060 `(let ((rank (gnus-info-rank ,info)))
2064 (defmacro gnus-info-score (info)
2065 `(let ((rank (gnus-info-rank ,info)))
2066 (or (and (consp rank) (cdr rank)) 0)))
2068 (defmacro gnus-info-set-group (info group)
2069 `(setcar ,info ,group))
2070 (defmacro gnus-info-set-rank (info rank)
2071 `(setcar (nthcdr 1 ,info) ,rank))
2072 (defmacro gnus-info-set-read (info read)
2073 `(setcar (nthcdr 2 ,info) ,read))
2074 (defmacro gnus-info-set-marks (info marks &optional extend)
2076 `(gnus-info-set-entry ,info ,marks 3)
2077 `(setcar (nthcdr 3 ,info) ,marks)))
2078 (defmacro gnus-info-set-method (info method &optional extend)
2080 `(gnus-info-set-entry ,info ,method 4)
2081 `(setcar (nthcdr 4 ,info) ,method)))
2082 (defmacro gnus-info-set-params (info params &optional extend)
2084 `(gnus-info-set-entry ,info ,params 5)
2085 `(setcar (nthcdr 5 ,info) ,params)))
2087 (defun gnus-info-set-entry (info entry number)
2088 ;; Extend the info until we have enough elements.
2089 (while (<= (length info) number)
2090 (nconc info (list nil)))
2092 (setcar (nthcdr number info) entry))
2094 (defmacro gnus-info-set-level (info level)
2095 `(let ((rank (cdr ,info)))
2096 (if (consp (car rank))
2097 (setcar (car rank) ,level)
2098 (setcar rank ,level))))
2099 (defmacro gnus-info-set-score (info score)
2100 `(let ((rank (cdr ,info)))
2101 (if (consp (car rank))
2102 (setcdr (car rank) ,score)
2103 (setcar rank (cons (car rank) ,score)))))
2105 (defmacro gnus-get-info (group)
2106 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
2108 ;; Byte-compiler warning.
2109 (defvar gnus-visual)
2110 ;; Find out whether the gnus-visual TYPE is wanted.
2111 (defun gnus-visual-p (&optional type class)
2112 (and gnus-visual ; Has to be non-nil, at least.
2113 (if (not type) ; We don't care about type.
2115 (if (listp gnus-visual) ; It's a list, so we check it.
2116 (or (memq type gnus-visual)
2117 (memq class gnus-visual))
2120 ;;; Load the compatability functions.
2129 (defvar gnus-shutdown-alist nil)
2131 (defun gnus-add-shutdown (function &rest symbols)
2132 "Run FUNCTION whenever one of SYMBOLS is shut down."
2133 (push (cons function symbols) gnus-shutdown-alist))
2135 (defun gnus-shutdown (symbol)
2136 "Shut down everything that waits for SYMBOL."
2137 (let ((alist gnus-shutdown-alist)
2139 (while (setq entry (pop alist))
2140 (when (memq symbol (cdr entry))
2141 (funcall (car entry))))))
2145 ;;; Gnus Utility Functions
2149 (defmacro gnus-string-or (&rest strings)
2150 "Return the first element of STRINGS that is a non-blank string.
2151 STRINGS will be evaluated in normal `or' order."
2152 `(gnus-string-or-1 ',strings))
2154 (defun gnus-string-or-1 (strings)
2157 (setq string (eval (pop strings)))
2158 (if (string-match "^[ \t]*$" string)
2160 (setq strings nil)))
2163 (defun gnus-info-find-node ()
2164 "Find Info documentation of Gnus."
2166 ;; Enlarge info window if needed.
2167 (let (gnus-info-buffer)
2170 (or gnus-info-filename
2171 (get-language-info current-language-environment 'gnus-info)
2173 (cadr (assq major-mode gnus-info-nodes))))
2174 (setq gnus-info-buffer (current-buffer))
2175 (gnus-configure-windows 'info)))
2178 ;;; gnus-interactive
2181 (defvar gnus-current-prefix-symbol nil
2182 "Current prefix symbol.")
2184 (defvar gnus-current-prefix-symbols nil
2185 "List of current prefix symbols.")
2187 (defun gnus-interactive (string &optional params)
2188 "Return a list that can be fed to `interactive'.
2189 See `interactive' for full documentation.
2191 Adds the following specs:
2193 y -- The current symbolic prefix.
2194 Y -- A list of the current symbolic prefix(es).
2195 A -- Article number.
2196 H -- Article header.
2200 (while (< i (length string))
2201 (string-match ".\\([^\n]*\\)\n?" string i)
2202 (setq c (aref string i))
2204 (setq prompt (match-string 1 string)))
2205 (setq i (match-end 0))
2206 ;; We basically emulate just about everything that
2207 ;; `interactive' does, but add the specs listed above.
2211 (completing-read prompt obarray 'fboundp t))
2213 (read-buffer prompt (current-buffer) t))
2215 (read-buffer prompt (other-buffer (current-buffer))))
2219 (completing-read prompt obarray 'commandp t))
2223 (read-file-name prompt nil default-directory 'lambda))
2225 (read-file-name prompt nil nil 'lambda))
2227 (read-file-name prompt))
2229 (read-key-sequence prompt))
2231 (error "Not implemented spec"))
2233 (error "Not implemented spec"))
2237 (error "Not implemented spec"))
2239 (string-to-number (read-from-minibuffer prompt)))
2241 (prefix-numeric-value current-prefix-arg))
2247 (read-string prompt))
2249 (intern (read-string prompt)))
2251 (read-variable prompt))
2253 (read-minibuffer prompt))
2255 (eval-minibuffer prompt))
2256 ;; And here the new specs come.
2258 gnus-current-prefix-symbol)
2260 gnus-current-prefix-symbols)
2262 (gnus-group-group-name))
2264 (gnus-summary-skip-intangible)
2265 (or (get-text-property (point) 'gnus-number)
2266 (gnus-summary-last-subject)))
2268 (gnus-data-header (gnus-data-find (gnus-summary-article-number))))
2270 (error "Non-implemented spec")))
2274 (push (if (< (point) (mark) (point) (mark))) out)
2275 (push (if (> (point) (mark) (point) (mark))) out))))
2276 (setq out (delq 'gnus-prefix-nil out))
2279 (defun gnus-symbolic-argument (&optional arg)
2280 "Read a symbolic argument and a command, and then execute command."
2282 (let* ((in-command (this-command-keys))
2283 (command in-command)
2284 gnus-current-prefix-symbols
2285 gnus-current-prefix-symbol
2287 (while (equal in-command command)
2288 (message "%s-" (key-description (this-command-keys)))
2289 (push (intern (char-to-string (read-char))) syms)
2290 (setq command (read-key-sequence nil t)))
2291 (setq gnus-current-prefix-symbols (nreverse syms)
2292 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2293 (call-interactively (key-binding command t))))
2295 ;;; More various functions.
2297 (defsubst gnus-check-backend-function (func group)
2298 "Check whether GROUP supports function FUNC.
2299 GROUP can either be a string (a group name) or a select method."
2301 (let ((method (if (stringp group)
2302 (car (gnus-find-method-for-group group))
2304 (unless (featurep method)
2306 (fboundp (intern (format "%s-%s" method func))))))
2308 (defun gnus-group-read-only-p (&optional group)
2309 "Check whether GROUP supports editing or not.
2310 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2311 that that variable is buffer-local to the summary buffers."
2312 (let ((group (or group gnus-newsgroup-name)))
2313 (not (gnus-check-backend-function 'request-replace-article group))))
2315 (defun gnus-group-total-expirable-p (group)
2316 "Check whether GROUP is total-expirable or not."
2317 (let ((params (gnus-group-find-parameter group))
2320 ((memq 'total-expire params)
2322 ((setq val (assq 'total-expire params)) ; (auto-expire . t)
2324 (gnus-total-expirable-newsgroups ; Check var.
2325 (string-match gnus-total-expirable-newsgroups group)))))
2327 (defun gnus-group-auto-expirable-p (group)
2328 "Check whether GROUP is auto-expirable or not."
2329 (let ((params (gnus-group-find-parameter group))
2332 ((memq 'auto-expire params)
2334 ((setq val (assq 'auto-expire params)) ; (auto-expire . t)
2336 (gnus-auto-expirable-newsgroups ; Check var.
2337 (string-match gnus-auto-expirable-newsgroups group)))))
2339 (defun gnus-virtual-group-p (group)
2340 "Say whether GROUP is virtual or not."
2341 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2342 gnus-valid-select-methods)))
2344 (defun gnus-news-group-p (group &optional article)
2345 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2346 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
2347 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
2348 (if (or (null article)
2349 (not (< article 0)))
2350 (eq (gnus-request-type group article) 'news)
2351 (if (not (vectorp article))
2353 ;; It's a real article.
2354 (eq (gnus-request-type group (mail-header-id article))
2357 ;; Returns a list of writable groups.
2358 (defun gnus-writable-groups ()
2359 (let ((alist gnus-newsrc-alist)
2361 (while (setq group (car (pop alist)))
2362 (unless (gnus-group-read-only-p group)
2363 (push group groups)))
2366 ;; Check whether to use long file names.
2367 (defun gnus-use-long-file-name (symbol)
2368 ;; The variable has to be set...
2369 (and gnus-use-long-file-name
2370 ;; If it isn't a list, then we return t.
2371 (or (not (listp gnus-use-long-file-name))
2372 ;; If it is a list, and the list contains `symbol', we
2374 (not (memq symbol gnus-use-long-file-name)))))
2376 ;; Generate a unique new group name.
2377 (defun gnus-generate-new-group-name (leaf)
2380 (while (gnus-gethash name gnus-newsrc-hashtb)
2381 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2384 (defun gnus-ephemeral-group-p (group)
2385 "Say whether GROUP is ephemeral or not."
2386 (gnus-group-get-parameter group 'quit-config t))
2388 (defun gnus-group-quit-config (group)
2389 "Return the quit-config of GROUP."
2390 (gnus-group-get-parameter group 'quit-config t))
2392 (defun gnus-kill-ephemeral-group (group)
2393 "Remove ephemeral GROUP from relevant structures."
2394 (gnus-sethash group nil gnus-newsrc-hashtb))
2396 (defun gnus-simplify-mode-line ()
2397 "Make mode lines a bit simpler."
2398 (setq mode-line-modified (cdr gnus-mode-line-modified))
2399 (when (listp mode-line-format)
2400 (make-local-variable 'mode-line-format)
2401 (setq mode-line-format (copy-sequence mode-line-format))
2402 (when (equal (nth 3 mode-line-format) " ")
2403 (setcar (nthcdr 3 mode-line-format) " "))))
2405 ;;; Servers and groups.
2407 (defsubst gnus-server-add-address (method)
2408 (let ((method-name (symbol-name (car method))))
2409 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2410 (not (assq (intern (concat method-name "-address")) method))
2411 (memq 'physical-address (assq (car method)
2412 gnus-valid-select-methods)))
2413 (append method (list (list (intern (concat method-name "-address"))
2417 (defsubst gnus-server-get-method (group method)
2418 ;; Input either a server name, and extended server name, or a
2419 ;; select method, and return a select method.
2420 (cond ((stringp method)
2421 (gnus-server-to-method method))
2422 ((equal method gnus-select-method)
2424 ((and (stringp (car method))
2426 (gnus-server-extend-method group method))
2429 (equal (cadr method) ""))
2432 (gnus-server-add-address method))))
2434 (defun gnus-server-to-method (server)
2435 "Map virtual server names to select methods."
2437 ;; Is this a method, perhaps?
2438 (and server (listp server) server)
2439 ;; Perhaps this is the native server?
2440 (and (equal server "native") gnus-select-method)
2441 ;; It should be in the server alist.
2442 (cdr (assoc server gnus-server-alist))
2443 ;; It could be in the predefined server alist.
2444 (cdr (assoc server gnus-predefined-server-alist))
2445 ;; If not, we look through all the opened server
2446 ;; to see whether we can find it there.
2447 (let ((opened gnus-opened-servers))
2449 (not (equal server (format "%s:%s" (caaar opened)
2453 ;; It could be a named method, search all servers
2454 (let ((servers gnus-secondary-select-methods))
2456 (not (equal server (format "%s:%s" (caar servers)
2461 (defmacro gnus-method-equal (ss1 ss2)
2462 "Say whether two servers are equal."
2466 (and (= (length s1) (length s2))
2468 (while (and s1 (member (car s1) s2))
2472 (defun gnus-methods-equal-p (m1 m2)
2473 (let ((m1 (or m1 gnus-select-method))
2474 (m2 (or m2 gnus-select-method)))
2476 (and (eq (car m1) (car m2))
2477 (or (not (memq 'address (assoc (symbol-name (car m1))
2478 gnus-valid-select-methods)))
2479 (equal (nth 1 m1) (nth 1 m2)))))))
2481 (defun gnus-server-equal (m1 m2)
2482 "Say whether two methods are equal."
2483 (let ((m1 (cond ((null m1) gnus-select-method)
2484 ((stringp m1) (gnus-server-to-method m1))
2486 (m2 (cond ((null m2) gnus-select-method)
2487 ((stringp m2) (gnus-server-to-method m2))
2489 (gnus-method-equal m1 m2)))
2491 (defun gnus-servers-using-backend (backend)
2492 "Return a list of known servers using BACKEND."
2493 (let ((opened gnus-opened-servers)
2496 (when (eq backend (caaar opened))
2497 (push (caar opened) out))
2501 (defun gnus-archive-server-wanted-p ()
2502 "Say whether the user wants to use the archive server."
2504 ((or (not gnus-message-archive-method)
2505 (not gnus-message-archive-group))
2507 ((and gnus-message-archive-method gnus-message-archive-group)
2510 (let ((active (cadr (assq 'nnfolder-active-file
2511 gnus-message-archive-method))))
2513 (file-exists-p active))))))
2515 (defun gnus-group-prefixed-name (group method)
2516 "Return the whole name from GROUP and METHOD."
2517 (and (stringp method) (setq method (gnus-server-to-method method)))
2518 (if (or (not method)
2519 (gnus-server-equal method "native"))
2521 (concat (format "%s" (car method))
2523 (or (assoc (format "%s" (car method))
2524 (gnus-methods-using 'address))
2525 (gnus-server-equal method gnus-message-archive-method))
2527 (not (string= (nth 1 method) "")))
2528 (concat "+" (nth 1 method)))
2531 (defun gnus-group-real-prefix (group)
2532 "Return the prefix of the current group name."
2533 (if (string-match "^[^:]+:" group)
2534 (substring group 0 (match-end 0))
2537 (defun gnus-group-method (group)
2538 "Return the server or method used for selecting GROUP.
2539 You should probably use `gnus-find-method-for-group' instead."
2540 (let ((prefix (gnus-group-real-prefix group)))
2541 (if (equal prefix "")
2543 (let ((servers gnus-opened-servers)
2545 backend possible found)
2546 (if (string-match "^[^\\+]+\\+" prefix)
2547 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2548 server (substring prefix (match-end 0) (1- (length prefix))))
2549 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2551 (when (eq (caaar servers) backend)
2552 (setq possible (caar servers))
2553 (when (equal (cadaar servers) server)
2554 (setq found (caar servers))))
2556 (or (car (rassoc found gnus-server-alist))
2558 (car (rassoc possible gnus-server-alist))
2560 (list backend server))))))
2562 (defsubst gnus-native-method-p (method)
2563 "Return whether METHOD is the native select method."
2564 (gnus-method-equal method gnus-select-method))
2566 (defsubst gnus-secondary-method-p (method)
2567 "Return whether METHOD is a secondary select method."
2568 (let ((methods gnus-secondary-select-methods)
2569 (gmethod (gnus-server-get-method nil method)))
2571 (not (gnus-method-equal
2572 (gnus-server-get-method nil (car methods))
2574 (setq methods (cdr methods)))
2577 (defun gnus-method-simplify (method)
2578 "Return the shortest uniquely identifying string or method for METHOD."
2579 (cond ((stringp method)
2581 ((gnus-native-method-p method)
2583 ((gnus-secondary-method-p method)
2584 (format "%s:%s" (nth 0 method) (nth 1 method)))
2588 (defun gnus-groups-from-server (server)
2589 "Return a list of all groups that are fetched from SERVER."
2590 (let ((alist (cdr gnus-newsrc-alist))
2592 (while (setq info (pop alist))
2593 (when (gnus-server-equal (gnus-info-method info) server)
2594 (push (gnus-info-group info) groups)))
2595 (sort groups 'string<)))
2597 (defun gnus-group-foreign-p (group)
2598 "Say whether a group is foreign or not."
2599 (and (not (gnus-group-native-p group))
2600 (not (gnus-group-secondary-p group))))
2602 (defun gnus-group-native-p (group)
2603 "Say whether the group is native or not."
2604 (not (string-match ":" group)))
2606 (defun gnus-group-secondary-p (group)
2607 "Say whether the group is secondary or not."
2608 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2610 (defun gnus-group-find-parameter (group &optional symbol allow-list)
2611 "Return the group parameters for GROUP.
2612 If SYMBOL, return the value of that symbol in the group parameters."
2614 (set-buffer gnus-group-buffer)
2615 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2617 (gnus-group-parameter-value parameters symbol allow-list)
2620 (defun gnus-group-get-parameter (group &optional symbol allow-list)
2621 "Return the group parameters for GROUP.
2622 If SYMBOL, return the value of that symbol in the group parameters.
2623 Most functions should use `gnus-group-find-parameter', which
2624 also examines the topic parameters."
2625 (let ((params (gnus-info-params (gnus-get-info group))))
2627 (gnus-group-parameter-value params symbol allow-list)
2630 (defun gnus-group-parameter-value (params symbol &optional allow-list)
2631 "Return the value of SYMBOL in group PARAMS."
2632 ;; We only wish to return group parameters (dotted lists) and
2633 ;; not local variables, which may have the same names.
2634 ;; But first we handle single elements...
2635 (or (car (memq symbol params))
2639 (while (setq elem (pop params))
2640 (when (and (consp elem)
2641 (eq (car elem) symbol)
2644 (throw 'found (cdr elem))))))))
2646 (defun gnus-group-add-parameter (group param)
2647 "Add parameter PARAM to GROUP."
2648 (let ((info (gnus-get-info group)))
2650 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2651 ;; Cons the new param to the old one and update.
2652 (gnus-group-set-info (cons param (gnus-info-params info))
2655 (defun gnus-group-set-parameter (group name value)
2656 "Set parameter NAME to VALUE in GROUP."
2657 (let ((info (gnus-get-info group)))
2659 (gnus-group-remove-parameter group name)
2660 (let ((old-params (gnus-info-params info))
2661 (new-params (list (cons name value))))
2663 (when (or (not (listp (car old-params)))
2664 (not (eq (caar old-params) name)))
2665 (setq new-params (append new-params (list (car old-params)))))
2666 (setq old-params (cdr old-params)))
2667 (gnus-group-set-info new-params group 'params)))))
2669 (defun gnus-group-remove-parameter (group name)
2670 "Remove parameter NAME from GROUP."
2671 (let ((info (gnus-get-info group)))
2673 (let ((params (gnus-info-params info)))
2675 (setq params (delq name params))
2676 (while (assq name params)
2677 (gnus-pull name params))
2678 (gnus-info-set-params info params))))))
2680 (defun gnus-group-add-score (group &optional score)
2681 "Add SCORE to the GROUP score.
2682 If SCORE is nil, add 1 to the score of GROUP."
2683 (let ((info (gnus-get-info group)))
2685 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2687 (defun gnus-short-group-name (group &optional levels)
2688 "Collapse GROUP name LEVELS.
2689 Select methods are stripped and any remote host name is stripped down to
2690 just the host name."
2696 gnus-group-uncollapsed-levels
2698 (while (string-match "\\." group skip)
2699 (setq skip (match-end 0)
2702 ;; Separate foreign select method from group name and collapse.
2703 ;; If method contains a server, collapse to non-domain server name,
2704 ;; otherwise collapse to select method.
2705 (let* ((colon (string-match ":" group))
2706 (server (and colon (substring group 0 colon)))
2707 (plus (and server (string-match "+" server))))
2710 (setq foreign (substring server (+ 1 plus)
2711 (string-match "\\." server))
2712 group (substring group (+ 1 colon)))
2713 (setq foreign server
2714 group (substring group (+ 1 colon))))
2715 (setq foreign (concat foreign ":")))
2716 ;; Collapse group name leaving LEVELS uncollapsed elements
2717 (let* ((glist (split-string group "\\."))
2718 (glen (length glist))
2720 (setq levels (- glen levels))
2722 (push (if (>= (decf levels) 0)
2723 (if (zerop (length g))
2728 (concat foreign (mapconcat 'identity (nreverse res) "."))))))
2730 (defun gnus-narrow-to-body ()
2731 "Narrow to the body of an article."
2734 (goto-char (point-min))
2735 (or (search-forward "\n\n" nil t)
2741 ;;; Kill file handling.
2744 (defun gnus-apply-kill-file ()
2745 "Apply a kill file to the current newsgroup.
2746 Returns the number of articles marked as read."
2747 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2748 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2749 (gnus-apply-kill-file-internal)
2752 (defun gnus-kill-save-kill-buffer ()
2753 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2754 (when (get-file-buffer file)
2756 (set-buffer (get-file-buffer file))
2757 (when (buffer-modified-p)
2759 (kill-buffer (current-buffer))))))
2761 (defcustom gnus-kill-file-name "KILL"
2762 "Suffix of the kill files."
2763 :group 'gnus-score-kill
2764 :group 'gnus-score-files
2767 (defun gnus-newsgroup-kill-file (newsgroup)
2768 "Return the name of a kill file name for NEWSGROUP.
2769 If NEWSGROUP is nil, return the global kill file name instead."
2771 ;; The global KILL file is placed at top of the directory.
2772 ((or (null newsgroup)
2773 (string-equal newsgroup ""))
2774 (expand-file-name gnus-kill-file-name
2775 gnus-kill-files-directory))
2776 ;; Append ".KILL" to newsgroup name.
2777 ((gnus-use-long-file-name 'not-kill)
2778 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2779 "." gnus-kill-file-name)
2780 gnus-kill-files-directory))
2781 ;; Place "KILL" under the hierarchical directory.
2783 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2784 "/" gnus-kill-file-name)
2785 gnus-kill-files-directory))))
2789 (defun gnus-member-of-valid (symbol group)
2790 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2792 (symbol-name (car (gnus-find-method-for-group group)))
2793 gnus-valid-select-methods)))
2795 (defun gnus-method-option-p (method option)
2796 "Return non-nil if select METHOD has OPTION as a parameter."
2797 (when (stringp method)
2798 (setq method (gnus-server-to-method method)))
2799 (memq option (assoc (format "%s" (car method))
2800 gnus-valid-select-methods)))
2802 (defun gnus-similar-server-opened (method)
2803 (let ((opened gnus-opened-servers))
2804 (while (and method opened)
2805 (when (and (equal (cadr method) (cadaar opened))
2806 (equal (car method) (caaar opened))
2807 (not (equal method (caar opened))))
2812 (defun gnus-server-extend-method (group method)
2813 ;; This function "extends" a virtual server. If the server is
2814 ;; "hello", and the select method is ("hello" (my-var "something"))
2815 ;; in the group "alt.alt", this will result in a new virtual server
2816 ;; called "hello+alt.alt".
2817 (if (or (not (inline (gnus-similar-server-opened method)))
2818 (not (cddr method)))
2820 `(,(car method) ,(concat (cadr method) "+" group)
2821 (,(intern (format "%s-address" (car method))) ,(cadr method))
2824 (defun gnus-server-status (method)
2825 "Return the status of METHOD."
2826 (nth 1 (assoc method gnus-opened-servers)))
2828 (defun gnus-group-name-to-method (group)
2829 "Guess a select method based on GROUP."
2830 (if (string-match ":" group)
2831 (let ((server (substring group 0 (match-beginning 0))))
2832 (if (string-match "\\+" server)
2833 (list (intern (substring server 0 (match-beginning 0)))
2834 (substring server (match-end 0)))
2835 (list (intern server) "")))
2836 gnus-select-method))
2838 (defun gnus-find-method-for-group (group &optional info)
2839 "Find the select method that GROUP uses."
2840 (or gnus-override-method
2843 (and (not (gnus-group-entry group));; a new group
2844 (gnus-group-name-to-method group))
2845 (let ((info (or info (gnus-get-info group)))
2848 (not (setq method (gnus-info-method info)))
2849 (equal method "native"))
2852 (cond ((stringp method)
2853 (inline (gnus-server-to-method method)))
2854 ((stringp (cadr method))
2855 (inline (gnus-server-extend-method group method)))
2858 (cond ((equal (cadr method) "")
2860 ((null (cadr method))
2861 (list (car method) ""))
2863 (gnus-server-add-address method)))))))
2865 (defun gnus-methods-using (feature)
2866 "Find all methods that have FEATURE."
2867 (let ((valids gnus-valid-select-methods)
2870 (when (memq feature (car valids))
2871 (push (car valids) outs))
2872 (setq valids (cdr valids)))
2875 (defun gnus-read-group (prompt &optional default)
2876 "Prompt the user for a group name.
2877 Disallow invalid group names."
2882 gnus-invalid-group-regexp
2883 (setq group (read-string (concat prefix prompt)
2884 (cons (or default "") 0)
2885 'gnus-group-history)))
2886 (setq prefix (format "Invalid group name: \"%s\". " group)
2890 (defun gnus-read-method (prompt)
2891 "Prompt the user for a method.
2892 Allow completion over sensible values."
2894 (append gnus-valid-select-methods
2895 (mapcar (lambda (i) (list (format "%s:%s" (caar i)
2897 gnus-opened-servers)
2898 gnus-predefined-server-alist
2903 nil t nil 'gnus-method-history)))
2906 (setq method gnus-select-method))
2907 ((assoc method gnus-valid-select-methods)
2908 (let ((address (if (memq 'prompt-address
2909 (assoc method gnus-valid-select-methods))
2910 (read-string "Address: ")
2912 (or (let ((opened gnus-opened-servers))
2914 (not (equal (format "%s:%s" method address)
2915 (format "%s:%s" (caaar opened)
2919 (list (intern method) address))))
2920 ((assoc method servers)
2923 (list (intern method) "")))))
2925 ;;; User-level commands.
2928 (defun gnus-slave-no-server (&optional arg)
2929 "Read network news as a slave, without connecting to local server."
2931 (gnus-no-server arg t))
2934 (defun gnus-no-server (&optional arg slave)
2936 If ARG is a positive number, Gnus will use that as the
2937 startup level. If ARG is nil, Gnus will be started at level 2.
2938 If ARG is non-nil and not a positive number, Gnus will
2939 prompt the user for the name of an NNTP server to use.
2940 As opposed to `gnus', this command will not connect to the local server."
2942 (gnus-no-server-1 arg slave))
2945 (defun gnus-slave (&optional arg)
2946 "Read news as a slave."
2948 (gnus arg nil 'slave))
2950 (defcustom gnus-frame-properties nil
2951 "The properties of the frame in which gnus is displayed. Under XEmacs,
2952 the variable `toolbar-news-frame-plist' will be refered instead."
2953 :type '(repeat (cons :format "%v"
2954 (symbol :tag "Parameter")
2955 (sexp :tag "Value")))
2958 (defvar gnus-frame nil
2959 "The frame in which gnus is displayed. It is not used under XEmacs.")
2962 (defun gnus-other-frame (&optional arg)
2963 "Pop up a frame to read news."
2965 (static-if (featurep 'xemacs)
2966 (let ((toolbar-news-use-separate-frame t))
2968 (if (frame-live-p gnus-frame)
2969 (raise-frame gnus-frame)
2970 (setq gnus-frame (make-frame gnus-frame-properties))
2971 (if (and (gnus-buffer-live-p gnus-group-buffer)
2972 (save-current-buffer
2973 (set-buffer gnus-group-buffer)
2974 (eq 'gnus-group-mode major-mode)))
2976 (select-frame gnus-frame)
2977 (switch-to-buffer gnus-group-buffer))
2978 (add-hook 'gnus-exit-gnus-hook
2980 (when (and (frame-live-p gnus-frame)
2982 (delete-frame gnus-frame))
2983 (setq gnus-frame nil)))
2984 (select-frame gnus-frame)
2988 (defun gnus (&optional arg dont-connect slave)
2990 If ARG is non-nil and a positive number, Gnus will use that as the
2991 startup level. If ARG is non-nil and not a positive number, Gnus will
2992 prompt the user for the name of an NNTP server to use."
2994 (gnus-1 arg dont-connect slave))
2996 ;; Allow redefinition of Gnus functions.
3000 (product-provide (provide 'gnus) 'gnus-vers)
3002 ;;; gnus.el ends here