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))))))
788 (goto-char (point-min))
791 (max 0 (let ((cw (frame-char-width)))
792 (/ (+ (- (* (window-width) cw) 271) cw) 2 cw))))
793 (goto-char (point-min))
794 (insert gnus-product-name " " gnus-version-number
795 (if (zerop (string-to-number gnus-revision-number))
797 (concat " (r" gnus-revision-number ")"))
798 " based on " gnus-original-product-name " v"
799 gnus-original-version-number "\n")
800 (goto-char (point-min))
801 (put-text-property (point) (gnus-point-at-eol)
802 'face 'gnus-splash-face)
803 (insert-char ?\ ;; space
804 (max 0 (/ (- (window-width) (gnus-point-at-eol)) 2)))
808 (let ((ch (frame-char-height)))
809 (/ (+ (- (* (1- (window-height)) ch) 273) ch) 2 ch))))
810 (setq gnus-simple-splash nil)
815 _ ___ __ ___ __ _ ___
834 (goto-char (point-min))
835 (insert gnus-product-name " " gnus-version-number
836 (if (zerop (string-to-number gnus-revision-number))
838 (concat " (r" gnus-revision-number ")"))
839 " based on " gnus-original-product-name " v"
840 gnus-original-version-number)
841 (goto-char (point-min))
842 (insert-char ?\ ; space
843 (max 0 (/ (- (window-width) (gnus-point-at-eol)) 2)))
846 (gnus-indent-rigidly (point) (point-max)
847 (/ (max (- (window-width) (or x 46)) 0) 2))
848 (goto-char (point-min))
850 (let* ((pheight (count-lines (point-min) (point-max)))
851 (wheight (window-height))
852 (rest (- wheight pheight)))
853 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
855 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
856 (setq gnus-simple-splash t)))
857 (goto-char (point-min))
858 (setq mode-line-buffer-identification (concat " " gnus-version))
859 (set-buffer-modified-p t))
862 (let ((command (format "%s" this-command)))
863 (if (and (string-match "gnus" command)
864 (not (string-match "gnus-other-frame" command)))
866 (gnus-get-buffer-create gnus-group-buffer))))
874 (defcustom gnus-home-directory "~/"
875 "Directory variable that specifies the \"home\" directory.
876 All other Gnus path variables are initialized from this variable."
880 (defcustom gnus-directory (or (getenv "SAVEDIR")
881 (nnheader-concat gnus-home-directory "News/"))
882 "*Directory variable from which all other Gnus file variables are derived.
884 Note that Gnus is mostly loaded when the `.gnus.el' file is read.
885 This means that other directory variables that are initialized from
886 this variable won't be set properly if you set this variable in `.gnus.el'.
887 Set this variable in `.emacs' instead."
891 (defcustom gnus-default-directory nil
892 "*Default directory for all Gnus buffers."
894 :type '(choice (const :tag "current" nil)
897 ;; Site dependent variables. These variables should be defined in
900 (defvar gnus-default-nntp-server nil
901 "Specify a default NNTP server.
902 This variable should be defined in paths.el, and should never be set
904 If you want to change servers, you should use `gnus-select-method'.
905 See the documentation to that variable.")
907 ;; Don't touch this variable.
908 (defvar gnus-nntp-service "nntp"
909 "NNTP service name (\"nntp\" or 119).
910 This is an obsolete variable, which is scarcely used. If you use an
911 nntp server for your newsgroup and want to change the port number
912 used to 899, you would say something along these lines:
914 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
916 (defcustom gnus-nntpserver-file "/etc/nntpserver"
917 "A file with only the name of the nntp server in it."
922 ;; This function is used to check both the environment variable
923 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
924 ;; an nntp server name default.
925 (defun gnus-getenv-nntpserver ()
926 (or (getenv "NNTPSERVER")
927 (and (file-readable-p gnus-nntpserver-file)
929 (set-buffer (gnus-get-buffer-create " *gnus nntp*"))
930 (insert-file-contents gnus-nntpserver-file)
931 (let ((name (buffer-string)))
933 (if (string-match "\\'[ \t\n]*$" name)
936 (kill-buffer (current-buffer))))))))
938 (defcustom gnus-select-method
941 (list 'nntp (or (condition-case nil
942 (gnus-getenv-nntpserver)
944 (when (and gnus-default-nntp-server
945 (not (string= gnus-default-nntp-server "")))
946 gnus-default-nntp-server)
948 (if (or (null gnus-nntp-service)
949 (equal gnus-nntp-service "nntp"))
951 (list gnus-nntp-service)))
953 "Default method for selecting a newsgroup.
954 This variable should be a list, where the first element is how the
955 news is to be fetched, the second is the address.
957 For instance, if you want to get your news via NNTP from
958 \"flab.flab.edu\", you could say:
960 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
962 If you want to use your local spool, say:
964 \(setq gnus-select-method (list 'nnspool (system-name)))
966 If you use this variable, you must set `gnus-nntp-server' to nil.
968 There is a lot more to know about select methods and virtual servers -
969 see the manual for details."
971 :type 'gnus-select-method)
973 (defcustom gnus-message-archive-method
976 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
977 (nnfolder-active-file
978 ,(nnheader-concat message-directory "archive/active"))
979 (nnfolder-get-new-mail nil)
980 (nnfolder-inhibit-expiry t))
981 "*Method used for archiving messages you've sent.
982 This should be a mail method.
984 It's probably not very effective to change this variable once you've
985 run Gnus once. After doing that, you must edit this server from the
989 :type 'gnus-select-method)
991 (defcustom gnus-message-archive-group nil
992 "*Name of the group in which to save the messages you've written.
993 This can either be a string; a list of strings; or an alist
994 of regexps/functions/forms to be evaluated to return a string (or a list
995 of strings). The functions are called with the name of the current
996 group (or nil) as a parameter.
998 If you want to save your mail in one group and the news articles you
999 write in another group, you could say something like:
1001 \(setq gnus-message-archive-group
1002 '((if (message-news-p)
1006 Normally the group names returned by this variable should be
1007 unprefixed -- which implicitly means \"store on the archive server\".
1008 However, you may wish to store the message on some other server. In
1009 that case, just return a fully prefixed name of the group --
1010 \"nnml+private:mail.misc\", for instance."
1011 :group 'gnus-message
1012 :type '(choice (const :tag "none" nil)
1017 (defcustom gnus-secondary-servers nil
1018 "List of NNTP servers that the user can choose between interactively.
1019 To make Gnus query you for a server, you have to give `gnus' a
1020 non-numeric prefix - `C-u M-x gnus', in short."
1022 :type '(repeat string))
1024 (defcustom gnus-nntp-server nil
1025 "*The name of the host running the NNTP server.
1026 This variable is semi-obsolete. Use the `gnus-select-method'
1029 :type '(choice (const :tag "disable" nil)
1032 (defcustom gnus-secondary-select-methods nil
1033 "A list of secondary methods that will be used for reading news.
1034 This is a list where each element is a complete select method (see
1035 `gnus-select-method').
1037 If, for instance, you want to read your mail with the nnml backend,
1038 you could set this variable:
1040 \(setq gnus-secondary-select-methods '((nnml \"\")))"
1042 :type '(repeat gnus-select-method))
1044 (defvar gnus-backup-default-subscribed-newsgroups
1045 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
1046 "Default default new newsgroups the first time Gnus is run.
1047 Should be set in paths.el, and shouldn't be touched by the user.")
1049 (defcustom gnus-local-domain nil
1050 "Local domain name without a host name.
1051 The DOMAINNAME environment variable is used instead if it is defined.
1052 If the `system-name' function returns the full Internet name, there is
1053 no need to set this variable."
1054 :group 'gnus-message
1055 :type '(choice (const :tag "default" nil)
1058 (defvar gnus-local-organization nil
1059 "String with a description of what organization (if any) the user belongs to.
1060 Obsolete variable; use `message-user-organization' instead.")
1062 ;; Customization variables
1064 (defcustom gnus-refer-article-method nil
1065 "Preferred method for fetching an article by Message-ID.
1066 If you are reading news from the local spool (with nnspool), fetching
1067 articles by Message-ID is painfully slow. By setting this method to an
1068 nntp method, you might get acceptable results.
1070 The value of this variable must be a valid select method as discussed
1071 in the documentation of `gnus-select-method'.
1073 It can also be a list of select methods, as well as the special symbol
1074 `current', which means to use the current select method. If it is a
1075 list, Gnus will try all the methods in the list until it finds a match."
1077 :type '(choice (const :tag "default" nil)
1078 (const :tag "DejaNews" (nnweb "refer" (nnweb-type dejanews)))
1080 (repeat :menu-tag "Try multiple"
1082 :value (current (nnweb "refer" (nnweb-type dejanews)))
1083 (choice :tag "Method"
1085 (const :tag "DejaNews"
1086 (nnweb "refer" (nnweb-type dejanews)))
1087 gnus-select-method))))
1089 (defcustom gnus-group-faq-directory
1090 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
1091 "/ftp@sunsite.auc.dk:/pub/usenet/"
1092 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
1093 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
1094 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
1095 "/ftp@rtfm.mit.edu:/pub/usenet/"
1096 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
1097 "/ftp@ftp.sunet.se:/pub/usenet/"
1098 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
1099 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
1100 "/ftp@ftp.hk.super.net:/mirror/faqs/")
1101 "*Directory where the group FAQs are stored.
1102 This will most commonly be on a remote machine, and the file will be
1103 fetched by ange-ftp.
1105 This variable can also be a list of directories. In that case, the
1106 first element in the list will be used by default. The others can
1107 be used when being prompted for a site.
1109 Note that Gnus uses an aol machine as the default directory. If this
1110 feels fundamentally unclean, just think of it as a way to finally get
1111 something of value back from them.
1113 If the default site is too slow, try one of these:
1115 North America: mirrors.aol.com /pub/rtfm/usenet
1116 ftp.seas.gwu.edu /pub/rtfm
1117 rtfm.mit.edu /pub/usenet
1118 Europe: ftp.uni-paderborn.de /pub/FAQ
1119 src.doc.ic.ac.uk /usenet/news-FAQS
1120 ftp.sunet.se /pub/usenet
1121 sunsite.auc.dk /pub/usenet
1122 Asia: nctuccca.edu.tw /USENET/FAQ
1123 hwarang.postech.ac.kr /pub/usenet
1124 ftp.hk.super.net /mirror/faqs"
1125 :group 'gnus-group-various
1126 :type '(choice directory
1127 (repeat directory)))
1129 (defcustom gnus-use-cross-reference t
1130 "*Non-nil means that cross referenced articles will be marked as read.
1131 If nil, ignore cross references. If t, mark articles as read in
1132 subscribed newsgroups. If neither t nor nil, mark as read in all
1135 :type '(choice (const :tag "off" nil)
1136 (const :tag "subscribed" t)
1140 (defcustom gnus-process-mark ?#
1142 :group 'gnus-group-visual
1143 :group 'gnus-summary-marks
1146 (defcustom gnus-large-newsgroup 200
1147 "*The number of articles which indicates a large newsgroup.
1148 If the number of articles in a newsgroup is greater than this value,
1149 confirmation is required for selecting the newsgroup."
1150 :group 'gnus-group-select
1153 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
1154 "*Non-nil means that the default name of a file to save articles in is the group name.
1155 If it's nil, the directory form of the group name is used instead.
1157 If this variable is a list, and the list contains the element
1158 `not-score', long file names will not be used for score files; if it
1159 contains the element `not-save', long file names will not be used for
1160 saving; and if it contains the element `not-kill', long file names
1161 will not be used for kill files.
1163 Note that the default for this variable varies according to what system
1164 type you're using. On `usg-unix-v' and `xenix' this variable defaults
1165 to nil while on all other systems it defaults to t."
1169 (defcustom gnus-kill-files-directory gnus-directory
1170 "*Name of the directory where kill files will be stored (default \"~/News\")."
1171 :group 'gnus-score-files
1172 :group 'gnus-score-kill
1175 (defcustom gnus-save-score nil
1176 "*If non-nil, save group scoring info."
1177 :group 'gnus-score-various
1181 (defcustom gnus-use-undo t
1182 "*If non-nil, allow undoing in Gnus group mode buffers."
1186 (defcustom gnus-use-adaptive-scoring nil
1187 "*If non-nil, use some adaptive scoring scheme.
1188 If a list, then the values `word' and `line' are meaningful. The
1189 former will perform adaption on individual words in the subject
1190 header while `line' will perform adaption on several headers."
1192 :group 'gnus-score-adapt
1193 :type '(set (const word) (const line)))
1195 (defcustom gnus-use-cache 'passive
1196 "*If nil, Gnus will ignore the article cache.
1197 If `passive', it will allow entering (and reading) articles
1198 explicitly entered into the cache. If anything else, use the
1199 cache to the full extent of the law."
1202 :type '(choice (const :tag "off" nil)
1203 (const :tag "passive" passive)
1204 (const :tag "active" t)))
1206 (defcustom gnus-use-trees nil
1207 "*If non-nil, display a thread tree buffer."
1211 (defcustom gnus-use-grouplens nil
1212 "*If non-nil, use GroupLens ratings."
1216 (defcustom gnus-keep-backlog nil
1217 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1218 If it is a number N, then Gnus will only keep the last N articles
1219 read. If it is neither nil nor a number, Gnus will keep all read
1220 articles. This is not a good idea."
1222 :type '(choice (const :tag "off" nil)
1227 (defcustom gnus-use-nocem nil
1228 "*If non-nil, Gnus will read NoCeM cancel messages."
1232 (defcustom gnus-suppress-duplicates nil
1233 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1237 (defcustom gnus-use-scoring t
1238 "*If non-nil, enable scoring."
1242 (defcustom gnus-use-picons nil
1243 "*If non-nil, display picons in a frame of their own."
1247 (defcustom gnus-summary-prepare-exit-hook
1248 '(gnus-summary-expire-articles)
1249 "*A hook called when preparing to exit from the summary buffer.
1250 It calls `gnus-summary-expire-articles' by default."
1251 :group 'gnus-summary-exit
1254 (defcustom gnus-novice-user t
1255 "*Non-nil means that you are a usenet novice.
1256 If non-nil, verbose messages may be displayed and confirmations may be
1261 (defcustom gnus-expert-user nil
1262 "*Non-nil means that you will never be asked for confirmation about anything.
1263 That doesn't mean *anything* anything; particularly destructive
1264 commands will still require prompting."
1268 (defcustom gnus-interactive-catchup t
1269 "*If non-nil, require your confirmation when catching up a group."
1270 :group 'gnus-group-select
1273 (defcustom gnus-interactive-exit t
1274 "*If non-nil, require your confirmation when exiting Gnus."
1278 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1279 "*Function for extracting address components from a From header.
1280 Two pre-defined function exist: `gnus-extract-address-components',
1281 which is the default, quite fast, and too simplistic solution, and
1282 `mail-extract-address-components', which works much better, but is
1284 :group 'gnus-summary-format
1285 :type '(radio (function-item gnus-extract-address-components)
1286 (function-item mail-extract-address-components)
1287 (function-item std11-extract-address-components)
1288 (function :tag "Other")))
1290 (defcustom gnus-carpal nil
1291 "*If non-nil, display clickable icons."
1295 (defcustom gnus-shell-command-separator ";"
1296 "String used to separate to shell commands."
1300 (defcustom gnus-valid-select-methods
1301 '(("nntp" post address prompt-address physical-address)
1302 ("nnspool" post address)
1303 ("nnvirtual" post-mail virtual prompt-address)
1304 ("nnmbox" mail respool address)
1305 ("nnml" mail respool address)
1306 ("nnmh" mail respool address)
1307 ("nndir" post-mail prompt-address physical-address)
1308 ("nneething" none address prompt-address physical-address)
1309 ("nndoc" none address prompt-address)
1310 ("nnbabyl" mail address respool)
1311 ("nnkiboze" post virtual)
1312 ("nnsoup" post-mail address)
1313 ("nndraft" post-mail)
1314 ("nnfolder" mail respool address)
1315 ("nngateway" post-mail address prompt-address physical-address)
1321 ("nnagent" post-mail)
1322 ("nnimap" post-mail address prompt-address physical-address))
1323 "*An alist of valid select methods.
1324 The first element of each list lists should be a string with the name
1325 of the select method. The other elements may be the category of
1326 this method (i. e., `post', `mail', `none' or whatever) or other
1327 properties that this method has (like being respoolable).
1328 If you implement a new select method, all you should have to change is
1329 this variable. I think."
1331 :type '(repeat (group (string :tag "Name")
1332 (radio-button-choice (const :format "%v " post)
1333 (const :format "%v " mail)
1334 (const :format "%v " none)
1336 (checklist :inline t
1337 (const :format "%v " address)
1338 (const :format "%v " prompt-address)
1339 (const :format "%v " physical-address)
1340 (const :format "%v " virtual)
1343 (defun gnus-redefine-select-method-widget ()
1344 "Recomputes the select-method widget based on the value of
1345 `gnus-valid-select-methods'."
1346 (define-widget 'gnus-select-method 'list
1347 "Widget for entering a select method."
1349 :tag "Select Method"
1350 :args `((choice :tag "Method"
1351 ,@(mapcar (lambda (entry)
1352 (list 'const :format "%v\n"
1353 (intern (car entry))))
1354 gnus-valid-select-methods)
1355 (symbol :tag "other"))
1356 (string :tag "Address")
1357 (repeat :tag "Options"
1361 (sexp :tag "Value"))))
1364 (gnus-redefine-select-method-widget)
1366 (defcustom gnus-updated-mode-lines '(group article summary tree)
1367 "List of buffers that should update their mode lines.
1368 The list may contain the symbols `group', `article', `tree' and
1369 `summary'. If the corresponding symbol is present, Gnus will keep
1370 that mode line updated with information that may be pertinent.
1371 If this variable is nil, screen refresh may be quicker."
1372 :group 'gnus-various
1373 :type '(set (const group)
1378 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1379 (defcustom gnus-mode-non-string-length nil
1380 "*Max length of mode-line non-string contents.
1381 If this is nil, Gnus will take space as is needed, leaving the rest
1382 of the modeline intact. Note that the default of nil is unlikely
1383 to be desirable; see the manual for further details."
1384 :group 'gnus-various
1385 :type '(choice (const nil)
1388 (defcustom gnus-auto-expirable-newsgroups nil
1389 "*Groups in which to automatically mark read articles as expirable.
1390 If non-nil, this should be a regexp that should match all groups in
1391 which to perform auto-expiry. This only makes sense for mail groups."
1392 :group 'nnmail-expire
1393 :type '(choice (const nil)
1396 (defcustom gnus-total-expirable-newsgroups nil
1397 "*Groups in which to perform expiry of all read articles.
1398 Use with extreme caution. All groups that match this regexp will be
1399 expiring - which means that all read articles will be deleted after
1400 \(say) one week. (This only goes for mail groups and the like, of
1402 :group 'nnmail-expire
1403 :type '(choice (const nil)
1406 (defcustom gnus-group-uncollapsed-levels 1
1407 "Number of group name elements to leave alone when making a short group name."
1408 :group 'gnus-group-visual
1411 (defcustom gnus-group-use-permanent-levels nil
1412 "*If non-nil, once you set a level, Gnus will use this level."
1413 :group 'gnus-group-levels
1418 (defcustom gnus-load-hook nil
1419 "A hook run while Gnus is loaded."
1423 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1424 "A hook called to apply kill files to a group.
1425 This hook is intended to apply a kill file to the selected newsgroup.
1426 The function `gnus-apply-kill-file' is called by default.
1428 Since a general kill file is too heavy to use only for a few
1429 newsgroups, I recommend you to use a lighter hook function. For
1430 example, if you'd like to apply a kill file to articles which contains
1431 a string `rmgroup' in subject in newsgroup `control', you can use the
1434 (setq gnus-apply-kill-hook
1437 (cond ((string-match \"control\" gnus-newsgroup-name)
1438 (gnus-kill \"Subject\" \"rmgroup\")
1439 (gnus-expunge \"X\"))))))"
1440 :group 'gnus-score-kill
1441 :options '(gnus-apply-kill-file)
1444 (defcustom gnus-group-change-level-function nil
1445 "Function run when a group level is changed.
1446 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1447 :group 'gnus-group-levels
1452 (defcustom gnus-visual
1453 '(summary-highlight group-highlight article-highlight
1455 summary-menu group-menu article-menu
1456 tree-highlight menu highlight
1457 browse-menu server-menu
1458 page-marker tree-menu binary-menu pick-menu
1460 "*Enable visual features.
1461 If `visual' is disabled, there will be no menus and few faces. Most of
1462 the visual customization options below will be ignored. Gnus will use
1463 less space and be faster as a result.
1465 This variable can also be a list of visual elements to switch on. For
1466 instance, to switch off all visual things except menus, you can say:
1468 (setq gnus-visual '(menu))
1470 Valid elements include `summary-highlight', `group-highlight',
1471 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1472 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1473 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1474 and `grouplens-menu'."
1477 :type '(set (const summary-highlight)
1478 (const group-highlight)
1479 (const article-highlight)
1481 (const summary-menu)
1483 (const article-menu)
1484 (const tree-highlight)
1493 (const grouplens-menu)))
1495 (defcustom gnus-mouse-face
1497 (if (gnus-visual-p 'mouse-face 'highlight)
1498 (if (boundp 'gnus-mouse-face)
1499 (or gnus-mouse-face 'highlight)
1503 "*Face used for group or summary buffer mouse highlighting.
1504 The line beneath the mouse pointer will be highlighted with this
1509 (defcustom gnus-article-save-directory gnus-directory
1510 "*Name of the directory articles will be saved in (default \"~/News\")."
1511 :group 'gnus-article-saving
1514 (defvar gnus-plugged t
1515 "Whether Gnus is plugged or not.")
1517 (defcustom gnus-default-charset 'iso-8859-1
1518 "Default charset assumed to be used when viewing non-ASCII characters.
1519 This variable is overridden on a group-to-group basis by the
1520 gnus-group-charset-alist variable and is only used on groups not
1521 covered by that variable."
1523 :group 'gnus-charset)
1525 (defcustom gnus-default-posting-charset nil
1526 "Default charset assumed to be used when posting non-ASCII characters.
1527 This variable is overridden on a group-to-group basis by the
1528 gnus-group-posting-charset-alist variable and is only used on groups not
1529 covered by that variable.
1530 If nil, no default charset is assumed when posting."
1532 :group 'gnus-charset)
1535 ;;; Internal variables
1537 (defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
1538 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1539 (defvar gnus-original-article-buffer " *Original Article*")
1540 (defvar gnus-newsgroup-name nil)
1541 (defvar gnus-ephemeral-servers nil)
1543 (defvar gnus-agent nil
1544 "Whether we want to use the Gnus agent or not.")
1546 (defvar gnus-command-method nil
1547 "Dynamically bound variable that says what the current backend is.")
1549 (defvar gnus-current-select-method nil
1550 "The current method for selecting a newsgroup.")
1552 (defvar gnus-tree-buffer "*Tree*"
1553 "Buffer where Gnus thread trees are displayed.")
1556 (defvar gnus-use-generic-from nil)
1558 ;; Variable holding the user answers to all method prompts.
1559 (defvar gnus-method-history nil)
1561 ;; Variable holding the user answers to all mail method prompts.
1562 (defvar gnus-mail-method-history nil)
1564 ;; Variable holding the user answers to all group prompts.
1565 (defvar gnus-group-history nil)
1567 (defvar gnus-server-alist nil
1568 "List of available servers.")
1570 (defcustom gnus-cache-directory
1571 (nnheader-concat gnus-directory "cache/")
1572 "*The directory where cached articles will be stored."
1576 (defvar gnus-predefined-server-alist
1579 (nnspool-spool-directory ,gnus-cache-directory)
1580 (nnspool-nov-directory ,gnus-cache-directory)
1581 (nnspool-active-file
1582 ,(nnheader-concat gnus-cache-directory "active"))))
1583 "List of predefined (convenience) servers.")
1585 (defvar gnus-topic-indentation "");; Obsolete variable.
1587 (defconst gnus-article-mark-lists
1588 '((marked . tick) (replied . reply)
1589 (expirable . expire) (killed . killed)
1590 (bookmarks . bookmark) (dormant . dormant)
1591 (scored . score) (saved . save)
1592 (cached . cache) (downloadable . download)
1593 (unsendable . unsend)))
1595 (defvar gnus-headers-retrieved-by nil)
1596 (defvar gnus-article-reply nil)
1597 (defvar gnus-override-method nil)
1598 (defvar gnus-article-check-size nil)
1599 (defvar gnus-opened-servers nil)
1601 (defvar gnus-current-kill-article nil)
1603 (defvar gnus-have-read-active-file nil)
1605 (defconst gnus-maintainer
1606 "semi-gnus-ja@meadow.scphys.kyoto-u.ac.jp (T-gnus Bugfixing Girls + Boys)"
1607 "The mail address of the T-gnus maintainers.")
1609 (defcustom gnus-info-filename nil
1610 "*Controls language of gnus Info.
1611 If nil and current-language-environment is Japanese, go to gnus-ja.
1612 Otherwise go to corresponding Info.
1613 This variable can be nil, gnus or gnus-ja."
1615 :type '(choice (const nil)
1616 (const :tag "English" gnus)
1617 (const :tag "Japanese" gnus-ja)))
1619 (defvar gnus-info-nodes
1620 '((gnus-group-mode "The Group Buffer")
1621 (gnus-summary-mode "The Summary Buffer")
1622 (gnus-article-mode "The Article Buffer")
1623 (gnus-server-mode "The Server Buffer")
1624 (gnus-browse-mode "Browse Foreign Server")
1625 (gnus-tree-mode "Tree Display"))
1626 "Alist of major modes and related Info nodes.")
1628 (defvar gnus-group-buffer "*Group*")
1629 (defvar gnus-summary-buffer "*Summary*")
1630 (defvar gnus-article-buffer "*Article*")
1631 (defvar gnus-server-buffer "*Server*")
1633 (defvar gnus-slave nil
1634 "Whether this Gnus is a slave or not.")
1636 (defvar gnus-batch-mode nil
1637 "Whether this Gnus is running in batch mode or not.")
1639 (defvar gnus-variable-list
1640 '(gnus-newsrc-options gnus-newsrc-options-n
1641 gnus-newsrc-last-checked-date
1642 gnus-newsrc-alist gnus-server-alist
1643 gnus-killed-list gnus-zombie-list
1644 gnus-topic-topology gnus-topic-alist)
1645 "Gnus variables saved in the quick startup file.")
1647 (defvar gnus-product-variable-file-list
1648 (let ((version (product-version (product-find 'gnus-vers)))
1649 (codesys (static-if (boundp 'MULE) '*ctext* 'ctext)))
1650 `(("strict-cache" ((product-version ,version) (emacs-version))
1652 gnus-format-specs-compiled)
1653 ("cache" ((product-version ,version))
1655 gnus-format-specs)))
1656 "Gnus variables are saved in the produce depend quick startup files.")
1658 (defcustom gnus-compile-user-specs t
1659 "If non-nil, the user-defined format specs will be byte-compiled
1661 It has an effect on the values of `gnus-*-line-format-spec'."
1665 (defvar gnus-newsrc-alist nil
1666 "Assoc list of read articles.
1667 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1669 (defvar gnus-newsrc-hashtb nil
1670 "Hashtable of gnus-newsrc-alist.")
1672 (defvar gnus-killed-list nil
1673 "List of killed newsgroups.")
1675 (defvar gnus-killed-hashtb nil
1676 "Hash table equivalent of gnus-killed-list.")
1678 (defvar gnus-zombie-list nil
1679 "List of almost dead newsgroups.")
1681 (defvar gnus-description-hashtb nil
1682 "Descriptions of newsgroups.")
1684 (defvar gnus-list-of-killed-groups nil
1685 "List of newsgroups that have recently been killed by the user.")
1687 (defvar gnus-active-hashtb nil
1688 "Hashtable of active articles.")
1690 (defvar gnus-moderated-hashtb nil
1691 "Hashtable of moderated newsgroups.")
1693 ;; Save window configuration.
1694 (defvar gnus-prev-winconf nil)
1696 (defvar gnus-reffed-article-number nil)
1698 ;;; Let the byte-compiler know that we know about this variable.
1699 (defvar rmail-default-rmail-file)
1701 (defvar gnus-dead-summary nil)
1703 (defvar gnus-article-display-hook nil
1704 "Controls how the article buffer will look. This is an obsolete variable;
1705 use the article treating faculties instead. Is is described in Info node
1706 `Customizing Articles'.")
1708 (defvar gnus-invalid-group-regexp "[: `'\"/]\\|^$"
1709 "Regexp matching invalid groups.")
1711 ;;; End of variables.
1713 ;; Define some autoload functions Gnus might use.
1716 ;; This little mapcar goes through the list below and marks the
1717 ;; symbols in question as autoloaded functions.
1720 (let ((interactive (nth 1 (memq ':interactive package))))
1724 (when (consp function)
1725 (setq keymap (car (memq 'keymap function)))
1726 (setq function (car function)))
1727 (unless (fboundp function)
1728 (autoload function (car package) nil interactive keymap))))
1729 (if (eq (nth 1 package) ':interactive)
1732 '(("info" :interactive t Info-goto-node)
1733 ("pp" pp pp-to-string pp-eval-expression)
1734 ("ps-print" ps-print-preprint)
1735 ("browse-url" :interactive t browse-url)
1736 ("message" :interactive t
1737 message-send-and-exit message-yank-original)
1738 ("babel" babel-as-string)
1739 ("nnmail" nnmail-split-fancy nnmail-article-group)
1740 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1741 ("rmailout" rmail-output rmail-output-to-rmail-file)
1742 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1743 rmail-show-message rmail-summary-exists
1744 rmail-select-summary rmail-update-summary)
1745 ("gnus-audio" :interactive t gnus-audio-play)
1746 ("gnus-xmas" gnus-xmas-splash)
1747 ("gnus-soup" :interactive t
1748 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1749 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1750 ("nnsoup" nnsoup-pack-replies)
1751 ("score-mode" :interactive t gnus-score-mode)
1752 ("gnus-mh" gnus-summary-save-article-folder
1753 gnus-Folder-save-name gnus-folder-save-name)
1754 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1755 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1756 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1757 gnus-demon-add-disconnection gnus-demon-add-handler
1758 gnus-demon-remove-handler)
1759 ("gnus-demon" :interactive t
1760 gnus-demon-init gnus-demon-cancel)
1761 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1762 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1763 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1764 gnus-nocem-unwanted-article-p)
1765 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1766 gnus-server-server-name)
1767 ("gnus-srvr" gnus-browse-foreign-server)
1768 ("gnus-cite" :interactive t
1769 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1770 gnus-article-hide-citation gnus-article-fill-cited-article
1771 gnus-article-hide-citation-in-followups)
1772 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1773 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1774 gnus-execute gnus-expunge gnus-batch-kill gnus-batch-score)
1775 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1776 gnus-cache-possibly-remove-articles gnus-cache-request-article
1777 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1778 gnus-cache-enter-remove-article gnus-cached-article-p
1779 gnus-cache-open gnus-cache-close gnus-cache-update-article
1780 gnus-cache-articles-in-group)
1781 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1782 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1783 ("gnus-score" :interactive t
1784 gnus-summary-increase-score gnus-summary-set-score
1785 gnus-summary-raise-thread gnus-summary-raise-same-subject
1786 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1787 gnus-summary-lower-thread gnus-summary-lower-same-subject
1788 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1789 gnus-summary-current-score gnus-score-delta-default
1790 gnus-score-flush-cache gnus-score-close
1791 gnus-possibly-score-headers gnus-score-followup-article
1792 gnus-score-followup-thread)
1794 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1795 gnus-current-score-file-nondirectory gnus-score-adaptive
1796 gnus-score-find-trace gnus-score-file-name)
1797 ("gnus-cus" :interactive t gnus-custom-mode gnus-group-customize
1798 gnus-score-customize)
1799 ("gnus-topic" :interactive t gnus-topic-mode)
1800 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters
1801 gnus-subscribe-topics)
1802 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1803 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1804 ("gnus-uu" :interactive t
1805 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1806 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1807 gnus-uu-mark-by-regexp gnus-uu-mark-all
1808 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1809 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1810 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1811 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1812 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1813 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1814 gnus-uu-decode-binhex-view gnus-uu-unmark-thread
1815 gnus-uu-mark-over gnus-uu-post-news)
1816 ("gnus-uu" gnus-uu-delete-work-dir gnus-quote-arg-for-sh-or-csh
1817 gnus-uu-unmark-thread)
1818 ("gnus-msg" (gnus-summary-send-map keymap)
1819 gnus-article-mail gnus-copy-article-buffer gnus-following-method)
1820 ("gnus-msg" :interactive t
1821 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1822 gnus-summary-followup gnus-summary-followup-with-original
1823 gnus-summary-cancel-article gnus-summary-supersede-article
1824 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1825 gnus-summary-mail-forward gnus-summary-mail-other-window
1826 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1827 gnus-summary-wide-reply gnus-summary-followup-to-mail
1828 gnus-summary-followup-to-mail-with-original gnus-bug
1829 gnus-summary-wide-reply-with-original
1830 gnus-summary-post-forward gnus-summary-wide-reply-with-original
1831 gnus-summary-post-forward)
1832 ("gnus-picon" :interactive t gnus-article-display-picons
1833 gnus-group-display-picons)
1834 ("gnus-picon" gnus-picons-buffer-name)
1835 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1836 gnus-grouplens-mode)
1837 ("smiley" :interactive t gnus-smiley-display)
1838 ("smiley" smiley-toggle-buffer)
1839 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1840 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1841 gnus-list-of-unread-articles gnus-list-of-read-articles
1842 gnus-offer-save-summaries gnus-make-thread-indent-array
1843 gnus-summary-exit gnus-update-read-articles gnus-summary-last-subject
1844 gnus-summary-skip-intangible gnus-summary-article-number
1845 gnus-data-header gnus-data-find gnus-summary-jump-to-other-group)
1846 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1847 gnus-group-list-groups gnus-group-first-unread-group
1848 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1849 gnus-group-setup-buffer gnus-group-get-new-news
1850 gnus-group-make-help-group gnus-group-update-group
1851 gnus-group-iterate gnus-group-group-name)
1852 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1853 gnus-backlog-remove-article)
1854 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1855 gnus-article-prepare gnus-article-set-window-start
1856 gnus-article-next-page gnus-article-prev-page
1857 gnus-request-article-this-buffer gnus-article-mode
1858 gnus-article-setup-buffer gnus-narrow-to-page
1859 gnus-article-delete-invisible-text gnus-treat-article)
1860 ("gnus-art" :interactive t
1861 gnus-article-hide-headers gnus-article-hide-boring-headers
1862 gnus-article-treat-overstrike
1863 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1864 gnus-article-display-x-face
1865 gnus-article-decode-HZ
1866 gnus-article-wash-html
1867 gnus-article-hide-pgp
1868 gnus-article-hide-pem gnus-article-hide-signature
1869 gnus-article-strip-leading-blank-lines gnus-article-date-local
1870 gnus-article-date-original gnus-article-date-lapsed
1871 gnus-article-show-all-headers gnus-article-show-all
1872 gnus-article-edit-mode gnus-article-edit-article
1873 gnus-article-edit-done article-decode-encoded-words
1874 gnus-start-date-timer gnus-stop-date-timer
1875 gnus-article-toggle-headers)
1876 ("gnus-int" gnus-request-type)
1877 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1878 gnus-dribble-enter gnus-read-init-file gnus-dribble-touch)
1879 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1880 gnus-dup-enter-articles)
1881 ("gnus-range" gnus-copy-sequence)
1882 ("gnus-eform" gnus-edit-form)
1883 ("gnus-move" :interactive t
1884 gnus-group-move-group-to-server gnus-change-server)
1885 ("gnus-logic" gnus-score-advanced)
1886 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1887 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1888 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1889 gnus-async-halt-prefetch)
1892 ("gnus-offline" :interactive t
1893 gnus-offline-toggle-plugged
1894 gnus-offline-set-unplugged-state
1895 gnus-offline-toggle-auto-hangup
1896 gnus-offline-toggle-on/off-send-mail
1897 gnus-offline-toggle-articles-to-fetch
1898 gnus-offline-set-interval-time
1899 gnus-offline-agent-expire)
1900 ("miee" :interactive t gnspool-get-news
1901 mail-spool-send news-spool-post)
1902 ("international/mw32misc" define-process-argument-editing
1903 general-process-argument-editing-function)
1904 ("gnus-agent" gnus-open-agent gnus-agent-get-function
1905 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
1906 gnus-agent-get-undownloaded-list gnus-agent-fetch-session
1907 gnus-summary-set-agent-mark gnus-agent-save-group-info)
1908 ("gnus-agent" :interactive t
1909 gnus-unplugged gnus-agentize gnus-agent-batch)
1910 ("gnus-vm" :interactive t gnus-summary-save-in-vm
1911 gnus-summary-save-article-vm)
1912 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-drafts)
1913 ("gnus-mlspl" gnus-group-split gnus-group-split-fancy)
1914 ("gnus-mlspl" :interactive t gnus-group-split-setup
1915 gnus-group-split-update))))
1918 (unless (featurep 'xemacs)
1919 (autoload 'gnus-smiley-display "gnus-bitmap" nil t)
1920 (autoload 'smiley-toggle-buffer "gnus-bitmap")
1921 (autoload 'x-face-mule-gnus-article-display-x-face "x-face-mule")))
1923 ;;; gnus-sum.el thingies
1926 (defcustom gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
1927 "*The format specification of the lines in the summary buffer.
1929 It works along the same lines as a normal formatting string,
1930 with some simple extensions.
1932 %N Article number, left padded with spaces (string)
1934 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1935 %n Name of the poster (string)
1936 %a Extracted name of the poster (string)
1937 %A Extracted address of the poster (string)
1938 %F Contents of the From: header (string)
1939 %f Contents of the From: or To: headers (string)
1940 %x Contents of the Xref: header (string)
1941 %D Date of the article (string)
1942 %d Date of the article (string) in DD-MMM format
1943 %M Message-id of the article (string)
1944 %r References of the article (string)
1945 %c Number of characters in the article (integer)
1946 %L Number of lines in the article (integer)
1947 %I Indentation based on thread level (a string of spaces)
1948 %T A string with two possible values: 80 spaces if the article
1949 is on thread level two or larger and 0 spaces on level one
1950 %R \"A\" if this article has been replied to, \" \" otherwise (character)
1951 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
1952 %[ Opening bracket (character, \"[\" or \"<\")
1953 %] Closing bracket (character, \"]\" or \">\")
1954 %> Spaces of length thread-level (string)
1955 %< Spaces of length (- 20 thread-level) (string)
1956 %i Article score (number)
1957 %z Article zcore (character)
1958 %t Number of articles under the current thread (number).
1959 %e Whether the thread is empty or not (character).
1960 %l GroupLens score (string).
1961 %V Total thread score (number).
1962 %P The line number (number).
1963 %O Download mark (character).
1964 %u User defined specifier. The next character in the format string should
1965 be a letter. Gnus will call the function gnus-user-format-function-X,
1966 where X is the letter following %u. The function will be passed the
1967 current header as argument. The function should return a string, which
1968 will be inserted into the summary just like information from any other
1971 Text between %( and %) will be highlighted with `gnus-mouse-face'
1972 when the mouse point is placed inside the area. There can only be one
1975 The %U (status), %R (replied) and %z (zcore) specs have to be handled
1976 with care. For reasons of efficiency, Gnus will compute what column
1977 these characters will end up in, and \"hard-code\" that. This means that
1978 it is invalid to have these specs after a variable-length spec. Well,
1979 you might not be arrested, but your summary buffer will look strange,
1980 which is bad enough.
1982 The smart choice is to have these specs as for to the left as
1985 This restriction may disappear in later versions of Gnus."
1987 :group 'gnus-summary-format)
1990 ;;; Skeleton keymaps
1993 (defun gnus-suppress-keymap (keymap)
1994 (suppress-keymap keymap)
1995 (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
1997 (define-key keymap (pop keys) 'undefined))))
1999 (defvar gnus-article-mode-map
2000 (let ((keymap (make-sparse-keymap)))
2001 (gnus-suppress-keymap keymap)
2003 (defvar gnus-summary-mode-map
2004 (let ((keymap (make-keymap)))
2005 (gnus-suppress-keymap keymap)
2007 (defvar gnus-group-mode-map
2008 (let ((keymap (make-keymap)))
2009 (gnus-suppress-keymap keymap)
2014 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
2015 ;; If you want the cursor to go somewhere else, set these two
2016 ;; functions in some startup hook to whatever you want.
2017 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
2018 (defalias 'gnus-group-position-point 'gnus-goto-colon)
2020 ;;; Various macros and substs.
2022 (defun gnus-header-from (header)
2023 (mail-header-from header))
2025 (defmacro gnus-gethash (string hashtable)
2026 "Get hash value of STRING in HASHTABLE."
2027 `(symbol-value (intern-soft ,string ,hashtable)))
2029 (defmacro gnus-sethash (string value hashtable)
2030 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
2031 `(set (intern ,string ,hashtable) ,value))
2032 (put 'gnus-sethash 'edebug-form-spec '(form form form))
2034 (defmacro gnus-group-unread (group)
2035 "Get the currently computed number of unread articles in GROUP."
2036 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
2038 (defmacro gnus-group-entry (group)
2039 "Get the newsrc entry for GROUP."
2040 `(gnus-gethash ,group gnus-newsrc-hashtb))
2042 (defmacro gnus-active (group)
2043 "Get active info on GROUP."
2044 `(gnus-gethash ,group gnus-active-hashtb))
2046 (defmacro gnus-set-active (group active)
2047 "Set GROUP's active info."
2048 `(gnus-sethash ,group ,active gnus-active-hashtb))
2050 ;; Info access macros.
2052 (defmacro gnus-info-group (info)
2054 (defmacro gnus-info-rank (info)
2056 (defmacro gnus-info-read (info)
2058 (defmacro gnus-info-marks (info)
2060 (defmacro gnus-info-method (info)
2062 (defmacro gnus-info-params (info)
2065 (defmacro gnus-info-level (info)
2066 `(let ((rank (gnus-info-rank ,info)))
2070 (defmacro gnus-info-score (info)
2071 `(let ((rank (gnus-info-rank ,info)))
2072 (or (and (consp rank) (cdr rank)) 0)))
2074 (defmacro gnus-info-set-group (info group)
2075 `(setcar ,info ,group))
2076 (defmacro gnus-info-set-rank (info rank)
2077 `(setcar (nthcdr 1 ,info) ,rank))
2078 (defmacro gnus-info-set-read (info read)
2079 `(setcar (nthcdr 2 ,info) ,read))
2080 (defmacro gnus-info-set-marks (info marks &optional extend)
2082 `(gnus-info-set-entry ,info ,marks 3)
2083 `(setcar (nthcdr 3 ,info) ,marks)))
2084 (defmacro gnus-info-set-method (info method &optional extend)
2086 `(gnus-info-set-entry ,info ,method 4)
2087 `(setcar (nthcdr 4 ,info) ,method)))
2088 (defmacro gnus-info-set-params (info params &optional extend)
2090 `(gnus-info-set-entry ,info ,params 5)
2091 `(setcar (nthcdr 5 ,info) ,params)))
2093 (defun gnus-info-set-entry (info entry number)
2094 ;; Extend the info until we have enough elements.
2095 (while (<= (length info) number)
2096 (nconc info (list nil)))
2098 (setcar (nthcdr number info) entry))
2100 (defmacro gnus-info-set-level (info level)
2101 `(let ((rank (cdr ,info)))
2102 (if (consp (car rank))
2103 (setcar (car rank) ,level)
2104 (setcar rank ,level))))
2105 (defmacro gnus-info-set-score (info score)
2106 `(let ((rank (cdr ,info)))
2107 (if (consp (car rank))
2108 (setcdr (car rank) ,score)
2109 (setcar rank (cons (car rank) ,score)))))
2111 (defmacro gnus-get-info (group)
2112 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
2114 ;; Byte-compiler warning.
2115 (defvar gnus-visual)
2116 ;; Find out whether the gnus-visual TYPE is wanted.
2117 (defun gnus-visual-p (&optional type class)
2118 (and gnus-visual ; Has to be non-nil, at least.
2119 (if (not type) ; We don't care about type.
2121 (if (listp gnus-visual) ; It's a list, so we check it.
2122 (or (memq type gnus-visual)
2123 (memq class gnus-visual))
2126 ;;; Load the compatability functions.
2135 (defvar gnus-shutdown-alist nil)
2137 (defun gnus-add-shutdown (function &rest symbols)
2138 "Run FUNCTION whenever one of SYMBOLS is shut down."
2139 (push (cons function symbols) gnus-shutdown-alist))
2141 (defun gnus-shutdown (symbol)
2142 "Shut down everything that waits for SYMBOL."
2143 (let ((alist gnus-shutdown-alist)
2145 (while (setq entry (pop alist))
2146 (when (memq symbol (cdr entry))
2147 (funcall (car entry))))))
2151 ;;; Gnus Utility Functions
2155 (defmacro gnus-string-or (&rest strings)
2156 "Return the first element of STRINGS that is a non-blank string.
2157 STRINGS will be evaluated in normal `or' order."
2158 `(gnus-string-or-1 ',strings))
2160 (defun gnus-string-or-1 (strings)
2163 (setq string (eval (pop strings)))
2164 (if (string-match "^[ \t]*$" string)
2166 (setq strings nil)))
2169 (defun gnus-info-find-node ()
2170 "Find Info documentation of Gnus."
2172 ;; Enlarge info window if needed.
2173 (let (gnus-info-buffer)
2176 (or gnus-info-filename
2177 (get-language-info current-language-environment 'gnus-info)
2179 (cadr (assq major-mode gnus-info-nodes))))
2180 (setq gnus-info-buffer (current-buffer))
2181 (gnus-configure-windows 'info)))
2184 ;;; gnus-interactive
2187 (defvar gnus-current-prefix-symbol nil
2188 "Current prefix symbol.")
2190 (defvar gnus-current-prefix-symbols nil
2191 "List of current prefix symbols.")
2193 (defun gnus-interactive (string &optional params)
2194 "Return a list that can be fed to `interactive'.
2195 See `interactive' for full documentation.
2197 Adds the following specs:
2199 y -- The current symbolic prefix.
2200 Y -- A list of the current symbolic prefix(es).
2201 A -- Article number.
2202 H -- Article header.
2206 (while (< i (length string))
2207 (string-match ".\\([^\n]*\\)\n?" string i)
2208 (setq c (aref string i))
2210 (setq prompt (match-string 1 string)))
2211 (setq i (match-end 0))
2212 ;; We basically emulate just about everything that
2213 ;; `interactive' does, but add the specs listed above.
2217 (completing-read prompt obarray 'fboundp t))
2219 (read-buffer prompt (current-buffer) t))
2221 (read-buffer prompt (other-buffer (current-buffer))))
2225 (completing-read prompt obarray 'commandp t))
2229 (read-file-name prompt nil default-directory 'lambda))
2231 (read-file-name prompt nil nil 'lambda))
2233 (read-file-name prompt))
2235 (read-key-sequence prompt))
2237 (error "Not implemented spec"))
2239 (error "Not implemented spec"))
2243 (error "Not implemented spec"))
2245 (string-to-number (read-from-minibuffer prompt)))
2247 (prefix-numeric-value current-prefix-arg))
2253 (read-string prompt))
2255 (intern (read-string prompt)))
2257 (read-variable prompt))
2259 (read-minibuffer prompt))
2261 (eval-minibuffer prompt))
2262 ;; And here the new specs come.
2264 gnus-current-prefix-symbol)
2266 gnus-current-prefix-symbols)
2268 (gnus-group-group-name))
2270 (gnus-summary-skip-intangible)
2271 (or (get-text-property (point) 'gnus-number)
2272 (gnus-summary-last-subject)))
2274 (gnus-data-header (gnus-data-find (gnus-summary-article-number))))
2276 (error "Non-implemented spec")))
2280 (push (if (< (point) (mark) (point) (mark))) out)
2281 (push (if (> (point) (mark) (point) (mark))) out))))
2282 (setq out (delq 'gnus-prefix-nil out))
2285 (defun gnus-symbolic-argument (&optional arg)
2286 "Read a symbolic argument and a command, and then execute command."
2288 (let* ((in-command (this-command-keys))
2289 (command in-command)
2290 gnus-current-prefix-symbols
2291 gnus-current-prefix-symbol
2293 (while (equal in-command command)
2294 (message "%s-" (key-description (this-command-keys)))
2295 (push (intern (char-to-string (read-char))) syms)
2296 (setq command (read-key-sequence nil t)))
2297 (setq gnus-current-prefix-symbols (nreverse syms)
2298 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2299 (call-interactively (key-binding command t))))
2301 ;;; More various functions.
2303 (defsubst gnus-check-backend-function (func group)
2304 "Check whether GROUP supports function FUNC.
2305 GROUP can either be a string (a group name) or a select method."
2307 (let ((method (if (stringp group)
2308 (car (gnus-find-method-for-group group))
2310 (unless (featurep method)
2312 (fboundp (intern (format "%s-%s" method func))))))
2314 (defun gnus-group-read-only-p (&optional group)
2315 "Check whether GROUP supports editing or not.
2316 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2317 that that variable is buffer-local to the summary buffers."
2318 (let ((group (or group gnus-newsgroup-name)))
2319 (not (gnus-check-backend-function 'request-replace-article group))))
2321 (defun gnus-group-total-expirable-p (group)
2322 "Check whether GROUP is total-expirable or not."
2323 (let ((params (gnus-group-find-parameter group))
2326 ((memq 'total-expire params)
2328 ((setq val (assq 'total-expire params)) ; (auto-expire . t)
2330 (gnus-total-expirable-newsgroups ; Check var.
2331 (string-match gnus-total-expirable-newsgroups group)))))
2333 (defun gnus-group-auto-expirable-p (group)
2334 "Check whether GROUP is auto-expirable or not."
2335 (let ((params (gnus-group-find-parameter group))
2338 ((memq 'auto-expire params)
2340 ((setq val (assq 'auto-expire params)) ; (auto-expire . t)
2342 (gnus-auto-expirable-newsgroups ; Check var.
2343 (string-match gnus-auto-expirable-newsgroups group)))))
2345 (defun gnus-virtual-group-p (group)
2346 "Say whether GROUP is virtual or not."
2347 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2348 gnus-valid-select-methods)))
2350 (defun gnus-news-group-p (group &optional article)
2351 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2352 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
2353 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
2354 (if (or (null article)
2355 (not (< article 0)))
2356 (eq (gnus-request-type group article) 'news)
2357 (if (not (vectorp article))
2359 ;; It's a real article.
2360 (eq (gnus-request-type group (mail-header-id article))
2363 ;; Returns a list of writable groups.
2364 (defun gnus-writable-groups ()
2365 (let ((alist gnus-newsrc-alist)
2367 (while (setq group (car (pop alist)))
2368 (unless (gnus-group-read-only-p group)
2369 (push group groups)))
2372 ;; Check whether to use long file names.
2373 (defun gnus-use-long-file-name (symbol)
2374 ;; The variable has to be set...
2375 (and gnus-use-long-file-name
2376 ;; If it isn't a list, then we return t.
2377 (or (not (listp gnus-use-long-file-name))
2378 ;; If it is a list, and the list contains `symbol', we
2380 (not (memq symbol gnus-use-long-file-name)))))
2382 ;; Generate a unique new group name.
2383 (defun gnus-generate-new-group-name (leaf)
2386 (while (gnus-gethash name gnus-newsrc-hashtb)
2387 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2390 (defun gnus-ephemeral-group-p (group)
2391 "Say whether GROUP is ephemeral or not."
2392 (gnus-group-get-parameter group 'quit-config t))
2394 (defun gnus-group-quit-config (group)
2395 "Return the quit-config of GROUP."
2396 (gnus-group-get-parameter group 'quit-config t))
2398 (defun gnus-kill-ephemeral-group (group)
2399 "Remove ephemeral GROUP from relevant structures."
2400 (gnus-sethash group nil gnus-newsrc-hashtb))
2402 (defun gnus-simplify-mode-line ()
2403 "Make mode lines a bit simpler."
2404 (setq mode-line-modified (cdr gnus-mode-line-modified))
2405 (when (listp mode-line-format)
2406 (make-local-variable 'mode-line-format)
2407 (setq mode-line-format (copy-sequence mode-line-format))
2408 (when (equal (nth 3 mode-line-format) " ")
2409 (setcar (nthcdr 3 mode-line-format) " "))))
2411 ;;; Servers and groups.
2413 (defsubst gnus-server-add-address (method)
2414 (let ((method-name (symbol-name (car method))))
2415 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2416 (not (assq (intern (concat method-name "-address")) method))
2417 (memq 'physical-address (assq (car method)
2418 gnus-valid-select-methods)))
2419 (append method (list (list (intern (concat method-name "-address"))
2423 (defsubst gnus-server-get-method (group method)
2424 ;; Input either a server name, and extended server name, or a
2425 ;; select method, and return a select method.
2426 (cond ((stringp method)
2427 (gnus-server-to-method method))
2428 ((equal method gnus-select-method)
2430 ((and (stringp (car method))
2432 (gnus-server-extend-method group method))
2435 (equal (cadr method) ""))
2438 (gnus-server-add-address method))))
2440 (defun gnus-server-to-method (server)
2441 "Map virtual server names to select methods."
2443 ;; Is this a method, perhaps?
2444 (and server (listp server) server)
2445 ;; Perhaps this is the native server?
2446 (and (equal server "native") gnus-select-method)
2447 ;; It should be in the server alist.
2448 (cdr (assoc server gnus-server-alist))
2449 ;; It could be in the predefined server alist.
2450 (cdr (assoc server gnus-predefined-server-alist))
2451 ;; If not, we look through all the opened server
2452 ;; to see whether we can find it there.
2453 (let ((opened gnus-opened-servers))
2455 (not (equal server (format "%s:%s" (caaar opened)
2459 ;; It could be a named method, search all servers
2460 (let ((servers gnus-secondary-select-methods))
2462 (not (equal server (format "%s:%s" (caar servers)
2467 (defmacro gnus-method-equal (ss1 ss2)
2468 "Say whether two servers are equal."
2472 (and (= (length s1) (length s2))
2474 (while (and s1 (member (car s1) s2))
2478 (defun gnus-methods-equal-p (m1 m2)
2479 (let ((m1 (or m1 gnus-select-method))
2480 (m2 (or m2 gnus-select-method)))
2482 (and (eq (car m1) (car m2))
2483 (or (not (memq 'address (assoc (symbol-name (car m1))
2484 gnus-valid-select-methods)))
2485 (equal (nth 1 m1) (nth 1 m2)))))))
2487 (defun gnus-server-equal (m1 m2)
2488 "Say whether two methods are equal."
2489 (let ((m1 (cond ((null m1) gnus-select-method)
2490 ((stringp m1) (gnus-server-to-method m1))
2492 (m2 (cond ((null m2) gnus-select-method)
2493 ((stringp m2) (gnus-server-to-method m2))
2495 (gnus-method-equal m1 m2)))
2497 (defun gnus-servers-using-backend (backend)
2498 "Return a list of known servers using BACKEND."
2499 (let ((opened gnus-opened-servers)
2502 (when (eq backend (caaar opened))
2503 (push (caar opened) out))
2507 (defun gnus-archive-server-wanted-p ()
2508 "Say whether the user wants to use the archive server."
2510 ((or (not gnus-message-archive-method)
2511 (not gnus-message-archive-group))
2513 ((and gnus-message-archive-method gnus-message-archive-group)
2516 (let ((active (cadr (assq 'nnfolder-active-file
2517 gnus-message-archive-method))))
2519 (file-exists-p active))))))
2521 (defun gnus-group-prefixed-name (group method)
2522 "Return the whole name from GROUP and METHOD."
2523 (and (stringp method) (setq method (gnus-server-to-method method)))
2524 (if (or (not method)
2525 (gnus-server-equal method "native"))
2527 (concat (format "%s" (car method))
2529 (or (assoc (format "%s" (car method))
2530 (gnus-methods-using 'address))
2531 (gnus-server-equal method gnus-message-archive-method))
2533 (not (string= (nth 1 method) "")))
2534 (concat "+" (nth 1 method)))
2537 (defun gnus-group-real-prefix (group)
2538 "Return the prefix of the current group name."
2539 (if (string-match "^[^:]+:" group)
2540 (substring group 0 (match-end 0))
2543 (defun gnus-group-method (group)
2544 "Return the server or method used for selecting GROUP.
2545 You should probably use `gnus-find-method-for-group' instead."
2546 (let ((prefix (gnus-group-real-prefix group)))
2547 (if (equal prefix "")
2549 (let ((servers gnus-opened-servers)
2551 backend possible found)
2552 (if (string-match "^[^\\+]+\\+" prefix)
2553 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2554 server (substring prefix (match-end 0) (1- (length prefix))))
2555 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2557 (when (eq (caaar servers) backend)
2558 (setq possible (caar servers))
2559 (when (equal (cadaar servers) server)
2560 (setq found (caar servers))))
2562 (or (car (rassoc found gnus-server-alist))
2564 (car (rassoc possible gnus-server-alist))
2566 (list backend server))))))
2568 (defsubst gnus-native-method-p (method)
2569 "Return whether METHOD is the native select method."
2570 (gnus-method-equal method gnus-select-method))
2572 (defsubst gnus-secondary-method-p (method)
2573 "Return whether METHOD is a secondary select method."
2574 (let ((methods gnus-secondary-select-methods)
2575 (gmethod (gnus-server-get-method nil method)))
2577 (not (gnus-method-equal
2578 (gnus-server-get-method nil (car methods))
2580 (setq methods (cdr methods)))
2583 (defun gnus-method-simplify (method)
2584 "Return the shortest uniquely identifying string or method for METHOD."
2585 (cond ((stringp method)
2587 ((gnus-native-method-p method)
2589 ((gnus-secondary-method-p method)
2590 (format "%s:%s" (nth 0 method) (nth 1 method)))
2594 (defun gnus-groups-from-server (server)
2595 "Return a list of all groups that are fetched from SERVER."
2596 (let ((alist (cdr gnus-newsrc-alist))
2598 (while (setq info (pop alist))
2599 (when (gnus-server-equal (gnus-info-method info) server)
2600 (push (gnus-info-group info) groups)))
2601 (sort groups 'string<)))
2603 (defun gnus-group-foreign-p (group)
2604 "Say whether a group is foreign or not."
2605 (and (not (gnus-group-native-p group))
2606 (not (gnus-group-secondary-p group))))
2608 (defun gnus-group-native-p (group)
2609 "Say whether the group is native or not."
2610 (not (string-match ":" group)))
2612 (defun gnus-group-secondary-p (group)
2613 "Say whether the group is secondary or not."
2614 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2616 (defun gnus-group-find-parameter (group &optional symbol allow-list)
2617 "Return the group parameters for GROUP.
2618 If SYMBOL, return the value of that symbol in the group parameters."
2620 (set-buffer gnus-group-buffer)
2621 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2623 (gnus-group-parameter-value parameters symbol allow-list)
2626 (defun gnus-group-get-parameter (group &optional symbol allow-list)
2627 "Return the group parameters for GROUP.
2628 If SYMBOL, return the value of that symbol in the group parameters.
2629 Most functions should use `gnus-group-find-parameter', which
2630 also examines the topic parameters."
2631 (let ((params (gnus-info-params (gnus-get-info group))))
2633 (gnus-group-parameter-value params symbol allow-list)
2636 (defun gnus-group-parameter-value (params symbol &optional allow-list)
2637 "Return the value of SYMBOL in group PARAMS."
2638 ;; We only wish to return group parameters (dotted lists) and
2639 ;; not local variables, which may have the same names.
2640 ;; But first we handle single elements...
2641 (or (car (memq symbol params))
2645 (while (setq elem (pop params))
2646 (when (and (consp elem)
2647 (eq (car elem) symbol)
2650 (throw 'found (cdr elem))))))))
2652 (defun gnus-group-add-parameter (group param)
2653 "Add parameter PARAM to GROUP."
2654 (let ((info (gnus-get-info group)))
2656 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2657 ;; Cons the new param to the old one and update.
2658 (gnus-group-set-info (cons param (gnus-info-params info))
2661 (defun gnus-group-set-parameter (group name value)
2662 "Set parameter NAME to VALUE in GROUP."
2663 (let ((info (gnus-get-info group)))
2665 (gnus-group-remove-parameter group name)
2666 (let ((old-params (gnus-info-params info))
2667 (new-params (list (cons name value))))
2669 (when (or (not (listp (car old-params)))
2670 (not (eq (caar old-params) name)))
2671 (setq new-params (append new-params (list (car old-params)))))
2672 (setq old-params (cdr old-params)))
2673 (gnus-group-set-info new-params group 'params)))))
2675 (defun gnus-group-remove-parameter (group name)
2676 "Remove parameter NAME from GROUP."
2677 (let ((info (gnus-get-info group)))
2679 (let ((params (gnus-info-params info)))
2681 (setq params (delq name params))
2682 (while (assq name params)
2683 (gnus-pull name params))
2684 (gnus-info-set-params info params))))))
2686 (defun gnus-group-add-score (group &optional score)
2687 "Add SCORE to the GROUP score.
2688 If SCORE is nil, add 1 to the score of GROUP."
2689 (let ((info (gnus-get-info group)))
2691 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2693 (defun gnus-short-group-name (group &optional levels)
2694 "Collapse GROUP name LEVELS.
2695 Select methods are stripped and any remote host name is stripped down to
2696 just the host name."
2702 gnus-group-uncollapsed-levels
2704 (while (string-match "\\." group skip)
2705 (setq skip (match-end 0)
2708 ;; Separate foreign select method from group name and collapse.
2709 ;; If method contains a server, collapse to non-domain server name,
2710 ;; otherwise collapse to select method.
2711 (let* ((colon (string-match ":" group))
2712 (server (and colon (substring group 0 colon)))
2713 (plus (and server (string-match "+" server))))
2716 (setq foreign (substring server (+ 1 plus)
2717 (string-match "\\." server))
2718 group (substring group (+ 1 colon)))
2719 (setq foreign server
2720 group (substring group (+ 1 colon))))
2721 (setq foreign (concat foreign ":")))
2722 ;; Collapse group name leaving LEVELS uncollapsed elements
2723 (let* ((glist (split-string group "\\."))
2724 (glen (length glist))
2726 (setq levels (- glen levels))
2728 (push (if (>= (decf levels) 0)
2729 (if (zerop (length g))
2734 (concat foreign (mapconcat 'identity (nreverse res) "."))))))
2736 (defun gnus-narrow-to-body ()
2737 "Narrow to the body of an article."
2740 (goto-char (point-min))
2741 (or (search-forward "\n\n" nil t)
2747 ;;; Kill file handling.
2750 (defun gnus-apply-kill-file ()
2751 "Apply a kill file to the current newsgroup.
2752 Returns the number of articles marked as read."
2753 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2754 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2755 (gnus-apply-kill-file-internal)
2758 (defun gnus-kill-save-kill-buffer ()
2759 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2760 (when (get-file-buffer file)
2762 (set-buffer (get-file-buffer file))
2763 (when (buffer-modified-p)
2765 (kill-buffer (current-buffer))))))
2767 (defcustom gnus-kill-file-name "KILL"
2768 "Suffix of the kill files."
2769 :group 'gnus-score-kill
2770 :group 'gnus-score-files
2773 (defun gnus-newsgroup-kill-file (newsgroup)
2774 "Return the name of a kill file name for NEWSGROUP.
2775 If NEWSGROUP is nil, return the global kill file name instead."
2777 ;; The global KILL file is placed at top of the directory.
2778 ((or (null newsgroup)
2779 (string-equal newsgroup ""))
2780 (expand-file-name gnus-kill-file-name
2781 gnus-kill-files-directory))
2782 ;; Append ".KILL" to newsgroup name.
2783 ((gnus-use-long-file-name 'not-kill)
2784 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2785 "." gnus-kill-file-name)
2786 gnus-kill-files-directory))
2787 ;; Place "KILL" under the hierarchical directory.
2789 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2790 "/" gnus-kill-file-name)
2791 gnus-kill-files-directory))))
2795 (defun gnus-member-of-valid (symbol group)
2796 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2798 (symbol-name (car (gnus-find-method-for-group group)))
2799 gnus-valid-select-methods)))
2801 (defun gnus-method-option-p (method option)
2802 "Return non-nil if select METHOD has OPTION as a parameter."
2803 (when (stringp method)
2804 (setq method (gnus-server-to-method method)))
2805 (memq option (assoc (format "%s" (car method))
2806 gnus-valid-select-methods)))
2808 (defun gnus-similar-server-opened (method)
2809 (let ((opened gnus-opened-servers))
2810 (while (and method opened)
2811 (when (and (equal (cadr method) (cadaar opened))
2812 (equal (car method) (caaar opened))
2813 (not (equal method (caar opened))))
2818 (defun gnus-server-extend-method (group method)
2819 ;; This function "extends" a virtual server. If the server is
2820 ;; "hello", and the select method is ("hello" (my-var "something"))
2821 ;; in the group "alt.alt", this will result in a new virtual server
2822 ;; called "hello+alt.alt".
2823 (if (or (not (inline (gnus-similar-server-opened method)))
2824 (not (cddr method)))
2826 `(,(car method) ,(concat (cadr method) "+" group)
2827 (,(intern (format "%s-address" (car method))) ,(cadr method))
2830 (defun gnus-server-status (method)
2831 "Return the status of METHOD."
2832 (nth 1 (assoc method gnus-opened-servers)))
2834 (defun gnus-group-name-to-method (group)
2835 "Guess a select method based on GROUP."
2836 (if (string-match ":" group)
2837 (let ((server (substring group 0 (match-beginning 0))))
2838 (if (string-match "\\+" server)
2839 (list (intern (substring server 0 (match-beginning 0)))
2840 (substring server (match-end 0)))
2841 (list (intern server) "")))
2842 gnus-select-method))
2844 (defun gnus-find-method-for-group (group &optional info)
2845 "Find the select method that GROUP uses."
2846 (or gnus-override-method
2849 (and (not (gnus-group-entry group));; a new group
2850 (gnus-group-name-to-method group))
2851 (let ((info (or info (gnus-get-info group)))
2854 (not (setq method (gnus-info-method info)))
2855 (equal method "native"))
2858 (cond ((stringp method)
2859 (inline (gnus-server-to-method method)))
2860 ((stringp (cadr method))
2861 (inline (gnus-server-extend-method group method)))
2864 (cond ((equal (cadr method) "")
2866 ((null (cadr method))
2867 (list (car method) ""))
2869 (gnus-server-add-address method)))))))
2871 (defun gnus-methods-using (feature)
2872 "Find all methods that have FEATURE."
2873 (let ((valids gnus-valid-select-methods)
2876 (when (memq feature (car valids))
2877 (push (car valids) outs))
2878 (setq valids (cdr valids)))
2881 (defun gnus-read-group (prompt &optional default)
2882 "Prompt the user for a group name.
2883 Disallow invalid group names."
2888 gnus-invalid-group-regexp
2889 (setq group (read-string (concat prefix prompt)
2890 (cons (or default "") 0)
2891 'gnus-group-history)))
2892 (setq prefix (format "Invalid group name: \"%s\". " group)
2896 (defun gnus-read-method (prompt)
2897 "Prompt the user for a method.
2898 Allow completion over sensible values."
2900 (append gnus-valid-select-methods
2901 (mapcar (lambda (i) (list (format "%s:%s" (caar i)
2903 gnus-opened-servers)
2904 gnus-predefined-server-alist
2909 nil t nil 'gnus-method-history)))
2912 (setq method gnus-select-method))
2913 ((assoc method gnus-valid-select-methods)
2914 (let ((address (if (memq 'prompt-address
2915 (assoc method gnus-valid-select-methods))
2916 (read-string "Address: ")
2918 (or (let ((opened gnus-opened-servers))
2920 (not (equal (format "%s:%s" method address)
2921 (format "%s:%s" (caaar opened)
2925 (list (intern method) address))))
2926 ((assoc method servers)
2929 (list (intern method) "")))))
2931 ;;; User-level commands.
2934 (defun gnus-slave-no-server (&optional arg)
2935 "Read network news as a slave, without connecting to local server."
2937 (gnus-no-server arg t))
2940 (defun gnus-no-server (&optional arg slave)
2942 If ARG is a positive number, Gnus will use that as the
2943 startup level. If ARG is nil, Gnus will be started at level 2.
2944 If ARG is non-nil and not a positive number, Gnus will
2945 prompt the user for the name of an NNTP server to use.
2946 As opposed to `gnus', this command will not connect to the local server."
2948 (gnus-no-server-1 arg slave))
2951 (defun gnus-slave (&optional arg)
2952 "Read news as a slave."
2954 (gnus arg nil 'slave))
2956 (defcustom gnus-frame-properties nil
2957 "The properties of the frame in which gnus is displayed. Under XEmacs,
2958 the variable `toolbar-news-frame-plist' will be refered instead."
2959 :type '(repeat (cons :format "%v"
2960 (symbol :tag "Parameter")
2961 (sexp :tag "Value")))
2964 (defvar gnus-frame nil
2965 "The frame in which gnus is displayed. It is not used under XEmacs.")
2968 (defun gnus-other-frame (&optional arg)
2969 "Pop up a frame to read news."
2971 (static-if (featurep 'xemacs)
2972 (let ((toolbar-news-use-separate-frame t))
2974 (if (frame-live-p gnus-frame)
2975 (raise-frame gnus-frame)
2976 (setq gnus-frame (make-frame gnus-frame-properties))
2977 (if (and (gnus-buffer-live-p gnus-group-buffer)
2978 (save-current-buffer
2979 (set-buffer gnus-group-buffer)
2980 (eq 'gnus-group-mode major-mode)))
2982 (select-frame gnus-frame)
2983 (switch-to-buffer gnus-group-buffer))
2984 (add-hook 'gnus-exit-gnus-hook
2986 (when (and (frame-live-p gnus-frame)
2988 (delete-frame gnus-frame))
2989 (setq gnus-frame nil)))
2990 (select-frame gnus-frame)
2994 (defun gnus (&optional arg dont-connect slave)
2996 If ARG is non-nil and a positive number, Gnus will use that as the
2997 startup level. If ARG is non-nil and not a positive number, Gnus will
2998 prompt the user for the name of an NNTP server to use."
3000 (gnus-1 arg dont-connect slave))
3002 ;; Allow redefinition of Gnus functions.
3006 (product-provide (provide 'gnus) 'gnus-vers)
3008 ;;; gnus.el ends here