1 ;;; gnus.el --- a newsreader for GNU Emacs
2 ;; Copyright (C) 1987,88,89,90,93,94,95,96,97 Free Software Foundation, Inc.
4 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
5 ;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
6 ;; Keywords: news, mail
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval '(run-hooks 'gnus-load-hook))
31 (eval-when-compile (require 'cl))
38 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
42 (defgroup gnus-start nil
43 "Starting your favorite newsreader."
46 (defgroup gnus-start-server nil
47 "Server options at startup."
50 ;; These belong to gnus-group.el.
51 (defgroup gnus-group nil
53 :link '(custom-manual "(gnus)The Group Buffer")
56 (defgroup gnus-group-foreign nil
58 :link '(custom-manual "(gnus)Foreign Groups")
61 (defgroup gnus-group-new nil
62 "Automatic subscription of new groups."
65 (defgroup gnus-group-levels nil
67 :link '(custom-manual "(gnus)Group Levels")
70 (defgroup gnus-group-select nil
72 :link '(custom-manual "(gnus)Selecting a Group")
75 (defgroup gnus-group-listing nil
76 "Showing slices of the group list."
77 :link '(custom-manual "(gnus)Listing Groups")
80 (defgroup gnus-group-visual nil
81 "Sorting the group buffer."
82 :link '(custom-manual "(gnus)Group Buffer Format")
86 (defgroup gnus-group-various nil
87 "Various group options."
88 :link '(custom-manual "(gnus)Scanning New Messages")
91 ;; These belong to gnus-sum.el.
92 (defgroup gnus-summary nil
94 :link '(custom-manual "(gnus)The Summary Buffer")
97 (defgroup gnus-summary-exit nil
98 "Leaving summary buffers."
99 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
100 :group 'gnus-summary)
102 (defgroup gnus-summary-marks nil
103 "Marks used in summary buffers."
104 :link '(custom-manual "(gnus)Marking Articles")
105 :group 'gnus-summary)
107 (defgroup gnus-thread nil
108 "Ordering articles according to replies."
109 :link '(custom-manual "(gnus)Threading")
110 :group 'gnus-summary)
112 (defgroup gnus-summary-format nil
113 "Formatting of the summary buffer."
114 :link '(custom-manual "(gnus)Summary Buffer Format")
115 :group 'gnus-summary)
117 (defgroup gnus-summary-choose nil
119 :link '(custom-manual "(gnus)Choosing Articles")
120 :group 'gnus-summary)
122 (defgroup gnus-summary-maneuvering nil
123 "Summary movement commands."
124 :link '(custom-manual "(gnus)Summary Maneuvering")
125 :group 'gnus-summary)
127 (defgroup gnus-summary-mail nil
128 "Mail group commands."
129 :link '(custom-manual "(gnus)Mail Group Commands")
130 :group 'gnus-summary)
132 (defgroup gnus-summary-sort nil
133 "Sorting the summary buffer."
134 :link '(custom-manual "(gnus)Sorting")
135 :group 'gnus-summary)
137 (defgroup gnus-summary-visual nil
138 "Highlighting and menus in the summary buffer."
139 :link '(custom-manual "(gnus)Summary Highlighting")
141 :group 'gnus-summary)
143 (defgroup gnus-summary-various nil
144 "Various summary buffer options."
145 :link '(custom-manual "(gnus)Various Summary Stuff")
146 :group 'gnus-summary)
148 (defgroup gnus-summary-pick nil
149 "Pick mode in the summary buffer."
150 :link '(custom-manual "(gnus)Pick and Read")
152 :group 'gnus-summary)
154 (defgroup gnus-summary-tree nil
155 "Tree display of threads in the summary buffer."
156 :link '(custom-manual "(gnus)Tree Display")
158 :group 'gnus-summary)
160 ;; Belongs to gnus-uu.el
161 (defgroup gnus-extract-view nil
162 "Viewing extracted files."
163 :link '(custom-manual "(gnus)Viewing Files")
164 :group 'gnus-extract)
166 ;; Belongs to gnus-score.el
167 (defgroup gnus-score nil
168 "Score and kill file handling."
171 (defgroup gnus-score-kill nil
175 (defgroup gnus-score-adapt nil
176 "Adaptive score files."
179 (defgroup gnus-score-default nil
180 "Default values for score files."
183 (defgroup gnus-score-expire nil
184 "Expiring score rules."
187 (defgroup gnus-score-decay nil
188 "Decaying score rules."
191 (defgroup gnus-score-files nil
192 "Score and kill file names."
196 (defgroup gnus-score-various nil
197 "Various scoring and killing options."
201 (defgroup gnus-visual nil
202 "Options controling the visual fluff."
206 (defgroup gnus-agent nil
207 "Offline support for Gnus."
210 (defgroup gnus-files nil
211 "Files used by Gnus."
214 (defgroup gnus-dribble-file nil
216 :link '(custom-manual "(gnus)Auto Save")
219 (defgroup gnus-newsrc nil
220 "Storing Gnus state."
223 (defgroup gnus-server nil
224 "Options related to newsservers and other servers used by Gnus."
227 (defgroup gnus-message '((message custom-group))
228 "Composing replies and followups in Gnus."
231 (defgroup gnus-meta nil
232 "Meta variables controling major portions of Gnus.
233 In general, modifying these variables does not take affect until Gnus
234 is restarted, and sometimes reloaded."
237 (defgroup gnus-various nil
238 "Other Gnus options."
239 :link '(custom-manual "(gnus)Various Various")
242 (defgroup gnus-exit nil
244 :link '(custom-manual "(gnus)Exiting Gnus")
247 (defconst gnus-version-number "0.17"
248 "Version number for this version of Gnus.")
250 (defconst gnus-version (format "Quassia Gnus v%s" gnus-version-number)
251 "Version string for this version of Gnus.")
253 (defcustom gnus-inhibit-startup-message nil
254 "If non-nil, the startup message will not be displayed.
255 This variable is used before `.gnus.el' is loaded, so it should
256 be set in `.emacs' instead."
260 (defcustom gnus-play-startup-jingle nil
261 "If non-nil, play the Gnus jingle at startup."
265 ;;; Kludges to help the transition from the old `custom.el'.
267 (unless (featurep 'gnus-xmas)
268 (defalias 'gnus-make-overlay 'make-overlay)
269 (defalias 'gnus-delete-overlay 'delete-overlay)
270 (defalias 'gnus-overlay-put 'overlay-put)
271 (defalias 'gnus-move-overlay 'move-overlay)
272 (defalias 'gnus-overlay-end 'overlay-end)
273 (defalias 'gnus-extent-detached-p 'ignore)
274 (defalias 'gnus-extent-start-open 'ignore)
275 (defalias 'gnus-set-text-properties 'set-text-properties)
276 (defalias 'gnus-group-remove-excess-properties 'ignore)
277 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
278 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
279 (defalias 'gnus-character-to-event 'identity)
280 (defalias 'gnus-add-text-properties 'add-text-properties)
281 (defalias 'gnus-put-text-property 'put-text-property)
282 (defalias 'gnus-mode-line-buffer-identification 'identity)
283 (defalias 'gnus-characterp 'numberp)
284 (defalias 'gnus-deactivate-mark 'deactivate-mark)
285 (defalias 'gnus-window-edges 'window-edges)
286 (defalias 'gnus-key-press-event-p 'numberp))
288 ;; We define these group faces here to avoid the display
289 ;; update forced when creating new faces.
291 (defface gnus-group-news-1-face
294 (:foreground "PaleTurquoise" :bold t))
297 (:foreground "ForestGreen" :bold t))
300 "Level 1 newsgroup face.")
302 (defface gnus-group-news-1-empty-face
305 (:foreground "PaleTurquoise"))
308 (:foreground "ForestGreen"))
311 "Level 1 empty newsgroup face.")
313 (defface gnus-group-news-2-face
316 (:foreground "turquoise" :bold t))
319 (:foreground "CadetBlue4" :bold t))
322 "Level 2 newsgroup face.")
324 (defface gnus-group-news-2-empty-face
327 (:foreground "turquoise"))
330 (:foreground "CadetBlue4"))
333 "Level 2 empty newsgroup face.")
335 (defface gnus-group-news-3-face
344 "Level 3 newsgroup face.")
346 (defface gnus-group-news-3-empty-face
355 "Level 3 empty newsgroup face.")
357 (defface gnus-group-news-low-face
360 (:foreground "DarkTurquoise" :bold t))
363 (:foreground "DarkGreen" :bold t))
366 "Low level newsgroup face.")
368 (defface gnus-group-news-low-empty-face
371 (:foreground "DarkTurquoise"))
374 (:foreground "DarkGreen"))
377 "Low level empty newsgroup face.")
379 (defface gnus-group-mail-1-face
382 (:foreground "aquamarine1" :bold t))
385 (:foreground "DeepPink3" :bold t))
388 "Level 1 mailgroup face.")
390 (defface gnus-group-mail-1-empty-face
393 (:foreground "aquamarine1"))
396 (:foreground "DeepPink3"))
398 (:italic t :bold t)))
399 "Level 1 empty mailgroup face.")
401 (defface gnus-group-mail-2-face
404 (:foreground "aquamarine2" :bold t))
407 (:foreground "HotPink3" :bold t))
410 "Level 2 mailgroup face.")
412 (defface gnus-group-mail-2-empty-face
415 (:foreground "aquamarine2"))
418 (:foreground "HotPink3"))
421 "Level 2 empty mailgroup face.")
423 (defface gnus-group-mail-3-face
426 (:foreground "aquamarine3" :bold t))
429 (:foreground "magenta4" :bold t))
432 "Level 3 mailgroup face.")
434 (defface gnus-group-mail-3-empty-face
437 (:foreground "aquamarine3"))
440 (:foreground "magenta4"))
443 "Level 3 empty mailgroup face.")
445 (defface gnus-group-mail-low-face
448 (:foreground "aquamarine4" :bold t))
451 (:foreground "DeepPink4" :bold t))
454 "Low level mailgroup face.")
456 (defface gnus-group-mail-low-empty-face
459 (:foreground "aquamarine4"))
462 (:foreground "DeepPink4"))
465 "Low level empty mailgroup face.")
467 ;; Summary mode faces.
469 (defface gnus-summary-selected-face '((t
471 "Face used for selected articles.")
473 (defface gnus-summary-cancelled-face
475 (:foreground "yellow" :background "black")))
476 "Face used for cancelled articles.")
478 (defface gnus-summary-high-ticked-face
481 (:foreground "pink" :bold t))
484 (:foreground "firebrick" :bold t))
487 "Face used for high interest ticked articles.")
489 (defface gnus-summary-low-ticked-face
492 (:foreground "pink" :italic t))
495 (:foreground "firebrick" :italic t))
498 "Face used for low interest ticked articles.")
500 (defface gnus-summary-normal-ticked-face
503 (:foreground "pink"))
506 (:foreground "firebrick"))
509 "Face used for normal interest ticked articles.")
511 (defface gnus-summary-high-ancient-face
514 (:foreground "SkyBlue" :bold t))
517 (:foreground "RoyalBlue" :bold t))
520 "Face used for high interest ancient articles.")
522 (defface gnus-summary-low-ancient-face
525 (:foreground "SkyBlue" :italic t))
528 (:foreground "RoyalBlue" :italic t))
531 "Face used for low interest ancient articles.")
533 (defface gnus-summary-normal-ancient-face
536 (:foreground "SkyBlue"))
539 (:foreground "RoyalBlue"))
542 "Face used for normal interest ancient articles.")
544 (defface gnus-summary-high-unread-face
547 "Face used for high interest unread articles.")
549 (defface gnus-summary-low-unread-face
552 "Face used for low interest unread articles.")
554 (defface gnus-summary-normal-unread-face
557 "Face used for normal interest unread articles.")
559 (defface gnus-summary-high-read-face
562 (:foreground "PaleGreen"
566 (:foreground "DarkGreen"
570 "Face used for high interest read articles.")
572 (defface gnus-summary-low-read-face
575 (:foreground "PaleGreen"
579 (:foreground "DarkGreen"
583 "Face used for low interest read articles.")
585 (defface gnus-summary-normal-read-face
588 (:foreground "PaleGreen"))
591 (:foreground "DarkGreen"))
594 "Face used for normal interest read articles.")
599 (defvar gnus-group-buffer "*Group*")
602 (autoload 'gnus-play-jingle "gnus-audio"))
604 (defface gnus-splash-face
607 (:foreground "ForestGreen"))
610 (:foreground "ForestGreen"))
613 "Level 1 newsgroup face.")
615 (defun gnus-splash ()
617 (switch-to-buffer (get-buffer-create gnus-group-buffer))
618 (let ((buffer-read-only nil))
620 (unless gnus-inhibit-startup-message
621 (gnus-group-startup-message)
623 (when gnus-play-startup-jingle
624 (gnus-play-jingle))))))
626 (defun gnus-indent-rigidly (start end arg)
627 "Indent rigidly using only spaces and no tabs."
630 (narrow-to-region start end)
632 (indent-rigidly start end arg)
633 ;; We translate tabs into spaces -- not everybody uses
634 ;; an 8-character tab.
635 (goto-char (point-min))
636 (while (search-forward "\t" nil t)
637 (replace-match " " t t))))))
639 (defvar gnus-simple-splash nil)
641 (defun gnus-group-startup-message (&optional x y)
642 "Insert startup message in current buffer."
643 ;; Insert the message.
648 _ ___ __ ___ __ _ ___
668 (gnus-indent-rigidly (point-min) (point-max)
669 (/ (max (- (window-width) (or x 46)) 0) 2))
670 (goto-char (point-min))
672 (let* ((pheight (count-lines (point-min) (point-max)))
673 (wheight (window-height))
674 (rest (- wheight pheight)))
675 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
677 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
678 (goto-char (point-min))
679 (setq mode-line-buffer-identification (concat " " gnus-version))
680 (setq gnus-simple-splash t)
681 (set-buffer-modified-p t))
684 (let ((command (format "%s" this-command)))
685 (when (and (string-match "gnus" command)
686 (not (string-match "gnus-other-frame" command)))
695 (defcustom gnus-home-directory "~/"
696 "Directory variable that specifies the \"home\" directory.
697 All other Gnus path variables are initialized from this variable."
701 (defcustom gnus-directory (or (getenv "SAVEDIR")
702 (nnheader-concat gnus-home-directory "News/"))
703 "Directory variable from which all other Gnus file variables are derived."
707 (defcustom gnus-default-directory nil
708 "*Default directory for all Gnus buffers."
710 :type '(choice (const :tag "current" nil)
713 ;; Site dependent variables. These variables should be defined in
716 (defvar gnus-default-nntp-server nil
717 "Specify a default NNTP server.
718 This variable should be defined in paths.el, and should never be set
720 If you want to change servers, you should use `gnus-select-method'.
721 See the documentation to that variable.")
723 ;; Don't touch this variable.
724 (defvar gnus-nntp-service "nntp"
725 "NNTP service name (\"nntp\" or 119).
726 This is an obsolete variable, which is scarcely used. If you use an
727 nntp server for your newsgroup and want to change the port number
728 used to 899, you would say something along these lines:
730 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
732 (defcustom gnus-nntpserver-file "/etc/nntpserver"
733 "A file with only the name of the nntp server in it."
738 ;; This function is used to check both the environment variable
739 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
740 ;; an nntp server name default.
741 (defun gnus-getenv-nntpserver ()
742 (or (getenv "NNTPSERVER")
743 (and (file-readable-p gnus-nntpserver-file)
745 (set-buffer (get-buffer-create " *gnus nntp*"))
746 (buffer-disable-undo (current-buffer))
747 (insert-file-contents gnus-nntpserver-file)
748 (let ((name (buffer-string)))
750 (if (string-match "^[ \t\n]*$" name)
753 (kill-buffer (current-buffer))))))))
755 (defcustom gnus-select-method
758 (list 'nntp (or (condition-case nil
759 (gnus-getenv-nntpserver)
761 (when (and gnus-default-nntp-server
762 (not (string= gnus-default-nntp-server "")))
763 gnus-default-nntp-server)
765 (if (or (null gnus-nntp-service)
766 (equal gnus-nntp-service "nntp"))
768 (list gnus-nntp-service)))
770 "Default method for selecting a newsgroup.
771 This variable should be a list, where the first element is how the
772 news is to be fetched, the second is the address.
774 For instance, if you want to get your news via NNTP from
775 \"flab.flab.edu\", you could say:
777 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
779 If you want to use your local spool, say:
781 \(setq gnus-select-method (list 'nnspool (system-name)))
783 If you use this variable, you must set `gnus-nntp-server' to nil.
785 There is a lot more to know about select methods and virtual servers -
786 see the manual for details."
788 :type 'gnus-select-method)
790 (defcustom gnus-message-archive-method
793 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
794 (nnfolder-active-file
795 ,(nnheader-concat message-directory "archive/active"))
796 (nnfolder-get-new-mail nil)
797 (nnfolder-inhibit-expiry t))
798 "Method used for archiving messages you've sent.
799 This should be a mail method.
801 It's probably not a very effective to change this variable once you've
802 run Gnus once. After doing that, you must edit this server from the
806 :type 'gnus-select-method)
808 (defcustom gnus-message-archive-group nil
809 "*Name of the group in which to save the messages you've written.
810 This can either be a string; a list of strings; or an alist
811 of regexps/functions/forms to be evaluated to return a string (or a list
812 of strings). The functions are called with the name of the current
813 group (or nil) as a parameter.
815 If you want to save your mail in one group and the news articles you
816 write in another group, you could say something like:
818 \(setq gnus-message-archive-group
819 '((if (message-news-p)
823 Normally the group names returned by this variable should be
824 unprefixed -- which implicitly means \"store on the archive server\".
825 However, you may wish to store the message on some other server. In
826 that case, just return a fully prefixed name of the group --
827 \"nnml+private:mail.misc\", for instance."
829 :type '(choice (const :tag "none" nil)
832 (defcustom gnus-secondary-servers nil
833 "List of NNTP servers that the user can choose between interactively.
834 To make Gnus query you for a server, you have to give `gnus' a
835 non-numeric prefix - `C-u M-x gnus', in short."
837 :type '(repeat string))
839 (defcustom gnus-nntp-server nil
840 "*The name of the host running the NNTP server.
841 This variable is semi-obsolete. Use the `gnus-select-method'
844 :type '(choice (const :tag "disable" nil)
847 (defcustom gnus-secondary-select-methods nil
848 "A list of secondary methods that will be used for reading news.
849 This is a list where each element is a complete select method (see
850 `gnus-select-method').
852 If, for instance, you want to read your mail with the nnml backend,
853 you could set this variable:
855 \(setq gnus-secondary-select-methods '((nnml \"\")))"
857 :type '(repeat gnus-select-method))
859 (defvar gnus-backup-default-subscribed-newsgroups
860 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
861 "Default default new newsgroups the first time Gnus is run.
862 Should be set in paths.el, and shouldn't be touched by the user.")
864 (defcustom gnus-local-domain nil
865 "Local domain name without a host name.
866 The DOMAINNAME environment variable is used instead if it is defined.
867 If the `system-name' function returns the full Internet name, there is
868 no need to set this variable."
870 :type '(choice (const :tag "default" nil)
873 (defvar gnus-local-organization nil
874 "String with a description of what organization (if any) the user belongs to.
875 Obsolete variable; use `message-user-organization' instead.")
877 ;; Customization variables
879 (defcustom gnus-refer-article-method nil
880 "Preferred method for fetching an article by Message-ID.
881 If you are reading news from the local spool (with nnspool), fetching
882 articles by Message-ID is painfully slow. By setting this method to an
883 nntp method, you might get acceptable results.
885 The value of this variable must be a valid select method as discussed
886 in the documentation of `gnus-select-method'."
888 :type '(choice (const :tag "default" nil)
891 (defcustom gnus-group-faq-directory
892 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
893 "/ftp@sunsite.auc.dk:/pub/usenet/"
894 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
895 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
896 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
897 "/ftp@rtfm.mit.edu:/pub/usenet/"
898 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
899 "/ftp@ftp.sunet.se:/pub/usenet/"
900 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
901 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
902 "/ftp@ftp.hk.super.net:/mirror/faqs/")
903 "Directory where the group FAQs are stored.
904 This will most commonly be on a remote machine, and the file will be
907 This variable can also be a list of directories. In that case, the
908 first element in the list will be used by default. The others can
909 be used when being prompted for a site.
911 Note that Gnus uses an aol machine as the default directory. If this
912 feels fundamentally unclean, just think of it as a way to finally get
913 something of value back from them.
915 If the default site is too slow, try one of these:
917 North America: mirrors.aol.com /pub/rtfm/usenet
918 ftp.seas.gwu.edu /pub/rtfm
919 rtfm.mit.edu /pub/usenet
920 Europe: ftp.uni-paderborn.de /pub/FAQ
921 src.doc.ic.ac.uk /usenet/news-FAQS
922 ftp.sunet.se /pub/usenet
923 sunsite.auc.dk /pub/usenet
924 Asia: nctuccca.edu.tw /USENET/FAQ
925 hwarang.postech.ac.kr /pub/usenet
926 ftp.hk.super.net /mirror/faqs"
927 :group 'gnus-group-various
928 :type '(choice directory
931 (defcustom gnus-use-cross-reference t
932 "*Non-nil means that cross referenced articles will be marked as read.
933 If nil, ignore cross references. If t, mark articles as read in
934 subscribed newsgroups. If neither t nor nil, mark as read in all
937 :type '(choice (const :tag "off" nil)
938 (const :tag "subscribed" t)
942 (defcustom gnus-process-mark ?#
944 :group 'gnus-group-visual
945 :group 'gnus-summary-marks
948 (defcustom gnus-asynchronous nil
949 "*If non-nil, Gnus will supply backends with data needed for async article fetching."
950 :group 'gnus-asynchronous
953 (defcustom gnus-large-newsgroup 200
954 "*The number of articles which indicates a large newsgroup.
955 If the number of articles in a newsgroup is greater than this value,
956 confirmation is required for selecting the newsgroup."
957 :group 'gnus-group-select
960 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
961 "*Non-nil means that the default name of a file to save articles in is the group name.
962 If it's nil, the directory form of the group name is used instead.
964 If this variable is a list, and the list contains the element
965 `not-score', long file names will not be used for score files; if it
966 contains the element `not-save', long file names will not be used for
967 saving; and if it contains the element `not-kill', long file names
968 will not be used for kill files.
970 Note that the default for this variable varies according to what system
971 type you're using. On `usg-unix-v' and `xenix' this variable defaults
972 to nil while on all other systems it defaults to t."
976 (defcustom gnus-kill-files-directory gnus-directory
977 "*Name of the directory where kill files will be stored (default \"~/News\")."
978 :group 'gnus-score-files
979 :group 'gnus-score-kill
982 (defcustom gnus-save-score nil
983 "*If non-nil, save group scoring info."
984 :group 'gnus-score-various
988 (defcustom gnus-use-undo t
989 "*If non-nil, allow undoing in Gnus group mode buffers."
993 (defcustom gnus-use-adaptive-scoring nil
994 "*If non-nil, use some adaptive scoring scheme.
995 If a list, then the values `word' and `line' are meaningful. The
996 former will perform adaption on individual words in the subject
997 header while `line' will perform adaption on several headers."
999 :group 'gnus-score-adapt
1000 :type '(set (const word) (const line)))
1002 (defcustom gnus-use-cache 'passive
1003 "*If nil, Gnus will ignore the article cache.
1004 If `passive', it will allow entering (and reading) articles
1005 explicitly entered into the cache. If anything else, use the
1006 cache to the full extent of the law."
1009 :type '(choice (const :tag "off" nil)
1010 (const :tag "passive" passive)
1011 (const :tag "active" t)))
1013 (defcustom gnus-use-trees nil
1014 "*If non-nil, display a thread tree buffer."
1018 (defcustom gnus-use-grouplens nil
1019 "*If non-nil, use GroupLens ratings."
1023 (defcustom gnus-keep-backlog nil
1024 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1025 If it is a number N, then Gnus will only keep the last N articles
1026 read. If it is neither nil nor a number, Gnus will keep all read
1027 articles. This is not a good idea."
1029 :type '(choice (const :tag "off" nil)
1034 (defcustom gnus-use-nocem nil
1035 "*If non-nil, Gnus will read NoCeM cancel messages."
1039 (defcustom gnus-suppress-duplicates nil
1040 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1044 (defcustom gnus-use-demon nil
1045 "If non-nil, Gnus might use some demons."
1049 (defcustom gnus-use-scoring t
1050 "*If non-nil, enable scoring."
1054 (defcustom gnus-use-picons nil
1055 "*If non-nil, display picons."
1059 (defcustom gnus-summary-prepare-exit-hook
1060 '(gnus-summary-expire-articles)
1061 "A hook called when preparing to exit from the summary buffer.
1062 It calls `gnus-summary-expire-articles' by default."
1063 :group 'gnus-summary-exit
1066 (defcustom gnus-novice-user t
1067 "*Non-nil means that you are a usenet novice.
1068 If non-nil, verbose messages may be displayed and confirmations may be
1073 (defcustom gnus-expert-user nil
1074 "*Non-nil means that you will never be asked for confirmation about anything.
1075 And that means *anything*."
1079 (defcustom gnus-interactive-catchup t
1080 "*If non-nil, require your confirmation when catching up a group."
1081 :group 'gnus-group-select
1084 (defcustom gnus-interactive-exit t
1085 "*If non-nil, require your confirmation when exiting Gnus."
1089 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1090 "*Function for extracting address components from a From header.
1091 Two pre-defined function exist: `gnus-extract-address-components',
1092 which is the default, quite fast, and too simplistic solution, and
1093 `mail-extract-address-components', which works much better, but is
1095 :group 'gnus-summary-format
1096 :type '(radio (function-item gnus-extract-address-components)
1097 (function-item mail-extract-address-components)
1098 (function :tag "Other")))
1100 (defcustom gnus-carpal nil
1101 "*If non-nil, display clickable icons."
1105 (defcustom gnus-shell-command-separator ";"
1106 "String used to separate to shell commands."
1110 (defcustom gnus-valid-select-methods
1111 '(("nntp" post address prompt-address physical-address)
1112 ("nnspool" post address)
1113 ("nnvirtual" post-mail virtual prompt-address)
1114 ("nnmbox" mail respool address)
1115 ("nnml" mail respool address)
1116 ("nnmh" mail respool address)
1117 ("nndir" post-mail prompt-address physical-address)
1118 ("nneething" none address prompt-address physical-address)
1119 ("nndoc" none address prompt-address)
1120 ("nnbabyl" mail address respool)
1121 ("nnkiboze" post virtual)
1122 ("nnsoup" post-mail address)
1123 ("nndraft" post-mail)
1124 ("nnfolder" mail respool address)
1125 ("nngateway" none address prompt-address physical-address)
1127 ("nnagent" post-mail))
1128 "An alist of valid select methods.
1129 The first element of each list lists should be a string with the name
1130 of the select method. The other elements may be the category of
1131 this method (i. e., `post', `mail', `none' or whatever) or other
1132 properties that this method has (like being respoolable).
1133 If you implement a new select method, all you should have to change is
1134 this variable. I think."
1136 :type '(repeat (group (string :tag "Name")
1137 (radio-button-choice (const :format "%v " post)
1138 (const :format "%v " mail)
1139 (const :format "%v " none)
1141 (checklist :inline t
1142 (const :format "%v " address)
1143 (const :format "%v " prompt-address)
1144 (const :format "%v " physical-address)
1145 (const :format "%v " virtual)
1148 (define-widget 'gnus-select-method 'list
1149 "Widget for entering a select method."
1150 :args `((choice :tag "Method"
1151 ,@(mapcar (lambda (entry)
1152 (list 'const :format "%v\n"
1153 (intern (car entry))))
1154 gnus-valid-select-methods))
1155 (string :tag "Address")
1156 (editable-list :inline t
1159 (sexp :tag "Value")))))
1161 (defcustom gnus-updated-mode-lines '(group article summary tree)
1162 "List of buffers that should update their mode lines.
1163 The list may contain the symbols `group', `article', `tree' and
1164 `summary'. If the corresponding symbol is present, Gnus will keep
1165 that mode line updated with information that may be pertinent.
1166 If this variable is nil, screen refresh may be quicker."
1167 :group 'gnus-various
1168 :type '(set (const group)
1173 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1174 (defcustom gnus-mode-non-string-length nil
1175 "*Max length of mode-line non-string contents.
1176 If this is nil, Gnus will take space as is needed, leaving the rest
1177 of the modeline intact. Note that the default of nil is unlikely
1178 to be desirable; see the manual for further details."
1179 :group 'gnus-various
1180 :type '(choice (const nil)
1183 (defcustom gnus-auto-expirable-newsgroups nil
1184 "*Groups in which to automatically mark read articles as expirable.
1185 If non-nil, this should be a regexp that should match all groups in
1186 which to perform auto-expiry. This only makes sense for mail groups."
1187 :group 'nnmail-expire
1188 :type '(choice (const nil)
1191 (defcustom gnus-total-expirable-newsgroups nil
1192 "*Groups in which to perform expiry of all read articles.
1193 Use with extreme caution. All groups that match this regexp will be
1194 expiring - which means that all read articles will be deleted after
1195 \(say) one week. (This only goes for mail groups and the like, of
1197 :group 'nnmail-expire
1198 :type '(choice (const nil)
1201 (defcustom gnus-group-uncollapsed-levels 1
1202 "Number of group name elements to leave alone when making a short group name."
1203 :group 'gnus-group-visual
1206 (defcustom gnus-group-use-permanent-levels nil
1207 "*If non-nil, once you set a level, Gnus will use this level."
1208 :group 'gnus-group-levels
1213 (defcustom gnus-load-hook nil
1214 "A hook run while Gnus is loaded."
1218 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1219 "A hook called to apply kill files to a group.
1220 This hook is intended to apply a kill file to the selected newsgroup.
1221 The function `gnus-apply-kill-file' is called by default.
1223 Since a general kill file is too heavy to use only for a few
1224 newsgroups, I recommend you to use a lighter hook function. For
1225 example, if you'd like to apply a kill file to articles which contains
1226 a string `rmgroup' in subject in newsgroup `control', you can use the
1229 (setq gnus-apply-kill-hook
1232 (cond ((string-match \"control\" gnus-newsgroup-name)
1233 (gnus-kill \"Subject\" \"rmgroup\")
1234 (gnus-expunge \"X\"))))))"
1235 :group 'gnus-score-kill
1236 :options '(gnus-apply-kill-file)
1239 (defcustom gnus-group-change-level-function nil
1240 "Function run when a group level is changed.
1241 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1242 :group 'gnus-group-level
1247 (defcustom gnus-visual
1248 '(summary-highlight group-highlight article-highlight
1250 summary-menu group-menu article-menu
1251 tree-highlight menu highlight
1252 browse-menu server-menu
1253 page-marker tree-menu binary-menu pick-menu
1255 "Enable visual features.
1256 If `visual' is disabled, there will be no menus and few faces. Most of
1257 the visual customization options below will be ignored. Gnus will use
1258 less space and be faster as a result.
1260 This variable can also be a list of visual elements to switch on. For
1261 instance, to switch off all visual things except menus, you can say:
1263 (setq gnus-visual '(menu))
1265 Valid elements include `summary-highlight', `group-highlight',
1266 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1267 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1268 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1269 and `grouplens-menu'."
1272 :type '(set (const summary-highlight)
1273 (const group-highlight)
1274 (const article-highlight)
1276 (const summary-menu)
1278 (const article-menu)
1279 (const tree-highlight)
1288 (const grouplens-menu)))
1290 (defcustom gnus-mouse-face
1292 (if (gnus-visual-p 'mouse-face 'highlight)
1293 (if (boundp 'gnus-mouse-face)
1294 (or gnus-mouse-face 'highlight)
1298 "Face used for group or summary buffer mouse highlighting.
1299 The line beneath the mouse pointer will be highlighted with this
1304 (defcustom gnus-article-display-hook
1305 (if (and (string-match "XEmacs" emacs-version)
1307 '(gnus-article-hide-headers-if-wanted
1308 gnus-article-hide-boring-headers
1309 gnus-article-treat-overstrike
1310 gnus-article-maybe-highlight
1311 gnus-article-display-x-face)
1312 '(gnus-article-hide-headers-if-wanted
1313 gnus-article-hide-boring-headers
1314 gnus-article-treat-overstrike
1315 gnus-article-maybe-highlight))
1316 "Controls how the article buffer will look.
1318 If you leave the list empty, the article will appear exactly as it is
1319 stored on the disk. The list entries will hide or highlight various
1320 parts of the article, making it easier to find the information you
1322 :group 'gnus-article-highlight
1325 :options '(gnus-article-add-buttons
1326 gnus-article-add-buttons-to-head
1327 gnus-article-emphasize
1328 gnus-article-fill-cited-article
1329 gnus-article-remove-cr
1330 gnus-article-de-quoted-unreadable
1331 gnus-summary-stop-page-breaking
1332 ;; gnus-summary-caesar-message
1333 ;; gnus-summary-verbose-headers
1334 gnus-summary-toggle-mime
1336 gnus-article-hide-headers
1337 gnus-article-hide-boring-headers
1338 gnus-article-hide-signature
1339 gnus-article-hide-citation
1340 gnus-article-hide-pgp
1341 gnus-article-hide-pem
1342 gnus-article-highlight
1343 gnus-article-highlight-headers
1344 gnus-article-highlight-citation
1345 gnus-article-highlight-signature
1346 gnus-article-date-ut
1347 gnus-article-date-local
1348 gnus-article-date-lapsed
1349 gnus-article-date-original
1350 gnus-article-remove-trailing-blank-lines
1351 gnus-article-strip-leading-blank-lines
1352 gnus-article-strip-multiple-blank-lines
1353 gnus-article-strip-blank-lines
1354 gnus-article-treat-overstrike
1355 gnus-article-display-x-face
1356 gnus-smiley-display))
1358 (defcustom gnus-article-save-directory gnus-directory
1359 "*Name of the directory articles will be saved in (default \"~/News\")."
1360 :group 'gnus-article-saving
1363 (defvar gnus-plugged t
1364 "Whether Gnus is plugged or not.")
1367 ;;; Internal variables
1369 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1370 (defvar gnus-original-article-buffer " *Original Article*")
1371 (defvar gnus-newsgroup-name nil)
1373 (defvar gnus-agent nil
1374 "Whether we want to use the Gnus agent or not.")
1376 (defvar gnus-command-method nil
1377 "Dynamically bound variable that says what the current backend is.")
1379 (defvar gnus-current-select-method nil
1380 "The current method for selecting a newsgroup.")
1382 (defvar gnus-tree-buffer "*Tree*"
1383 "Buffer where Gnus thread trees are displayed.")
1386 (defvar gnus-use-generic-from nil)
1388 ;; Variable holding the user answers to all method prompts.
1389 (defvar gnus-method-history nil)
1390 (defvar gnus-group-history nil)
1392 ;; Variable holding the user answers to all mail method prompts.
1393 (defvar gnus-mail-method-history nil)
1395 ;; Variable holding the user answers to all group prompts.
1396 (defvar gnus-group-history nil)
1398 (defvar gnus-server-alist nil
1399 "List of available servers.")
1401 (defvar gnus-predefined-server-alist
1404 (nnspool-spool-directory "~/News/cache/")
1405 (nnspool-nov-directory "~/News/cache/")
1406 (nnspool-active-file "~/News/cache/active"))))
1407 "List of predefined (convenience) servers.")
1409 (defvar gnus-topic-indentation "") ;; Obsolete variable.
1411 (defconst gnus-article-mark-lists
1412 '((marked . tick) (replied . reply)
1413 (expirable . expire) (killed . killed)
1414 (bookmarks . bookmark) (dormant . dormant)
1415 (scored . score) (saved . save)
1416 (cached . cache) (downloadable . download)
1417 (unsendable . unsend)))
1419 (defvar gnus-headers-retrieved-by nil)
1420 (defvar gnus-article-reply nil)
1421 (defvar gnus-override-method nil)
1422 (defvar gnus-article-check-size nil)
1423 (defvar gnus-opened-servers nil)
1425 (defvar gnus-current-kill-article nil)
1427 (defvar gnus-have-read-active-file nil)
1429 (defconst gnus-maintainer
1430 "bugs@gnus.org (The Gnus Bugfixing Girls + Boys)"
1431 "The mail address of the Gnus maintainers.")
1433 (defvar gnus-info-nodes
1434 '((gnus-group-mode "(gnus)The Group Buffer")
1435 (gnus-summary-mode "(gnus)The Summary Buffer")
1436 (gnus-article-mode "(gnus)The Article Buffer")
1437 (mime/viewer-mode "(gnus)The Article Buffer")
1438 (gnus-server-mode "(gnus)The Server Buffer")
1439 (gnus-browse-mode "(gnus)Browse Foreign Server")
1440 (gnus-tree-mode "(gnus)Tree Display"))
1441 "Alist of major modes and related Info nodes.")
1443 (defvar gnus-group-buffer "*Group*")
1444 (defvar gnus-summary-buffer "*Summary*")
1445 (defvar gnus-article-buffer "*Article*")
1446 (defvar gnus-server-buffer "*Server*")
1448 (defvar gnus-buffer-list nil
1449 "Gnus buffers that should be killed on exit.")
1451 (defvar gnus-slave nil
1452 "Whether this Gnus is a slave or not.")
1454 (defvar gnus-batch-mode nil
1455 "Whether this Gnus is running in batch mode or not.")
1457 (defvar gnus-variable-list
1458 '(gnus-newsrc-options gnus-newsrc-options-n
1459 gnus-newsrc-last-checked-date
1460 gnus-newsrc-alist gnus-server-alist
1461 gnus-killed-list gnus-zombie-list
1462 gnus-topic-topology gnus-topic-alist
1464 "Gnus variables saved in the quick startup file.")
1466 (defvar gnus-newsrc-alist nil
1467 "Assoc list of read articles.
1468 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1470 (defvar gnus-newsrc-hashtb nil
1471 "Hashtable of gnus-newsrc-alist.")
1473 (defvar gnus-killed-list nil
1474 "List of killed newsgroups.")
1476 (defvar gnus-killed-hashtb nil
1477 "Hash table equivalent of gnus-killed-list.")
1479 (defvar gnus-zombie-list nil
1480 "List of almost dead newsgroups.")
1482 (defvar gnus-description-hashtb nil
1483 "Descriptions of newsgroups.")
1485 (defvar gnus-list-of-killed-groups nil
1486 "List of newsgroups that have recently been killed by the user.")
1488 (defvar gnus-active-hashtb nil
1489 "Hashtable of active articles.")
1491 (defvar gnus-moderated-hashtb nil
1492 "Hashtable of moderated newsgroups.")
1494 ;; Save window configuration.
1495 (defvar gnus-prev-winconf nil)
1497 (defvar gnus-reffed-article-number nil)
1499 ;;; Let the byte-compiler know that we know about this variable.
1500 (defvar rmail-default-rmail-file)
1502 (defvar gnus-dead-summary nil)
1504 ;;; End of variables.
1506 ;; Define some autoload functions Gnus might use.
1509 ;; This little mapcar goes through the list below and marks the
1510 ;; symbols in question as autoloaded functions.
1513 (let ((interactive (nth 1 (memq ':interactive package))))
1517 (when (consp function)
1518 (setq keymap (car (memq 'keymap function)))
1519 (setq function (car function)))
1520 (autoload function (car package) nil interactive keymap)))
1521 (if (eq (nth 1 package) ':interactive)
1524 '(("metamail" metamail-buffer)
1525 ("info" Info-goto-node)
1526 ("hexl" hexl-hex-string-to-integer)
1527 ("pp" pp pp-to-string pp-eval-expression)
1528 ("ps-print" ps-print-preprint)
1529 ("mail-extr" mail-extract-address-components)
1530 ("message" :interactive t
1531 message-send-and-exit message-yank-original)
1532 ("nnmail" nnmail-split-fancy nnmail-article-group nnmail-date-to-time)
1533 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1534 ("timezone" timezone-make-date-arpa-standard timezone-fix-time
1535 timezone-make-sortable-date timezone-make-time-string)
1536 ("rmailout" rmail-output)
1537 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1539 ("gnus-audio" :interactive t gnus-audio-play)
1540 ("gnus-xmas" gnus-xmas-splash)
1541 ("gnus-soup" :interactive t
1542 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1543 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1544 ("nnsoup" nnsoup-pack-replies)
1545 ("score-mode" :interactive t gnus-score-mode)
1546 ("gnus-mh" gnus-summary-save-article-folder
1547 gnus-Folder-save-name gnus-folder-save-name)
1548 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1549 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1550 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1551 gnus-demon-add-disconnection gnus-demon-add-handler
1552 gnus-demon-remove-handler)
1553 ("gnus-demon" :interactive t
1554 gnus-demon-init gnus-demon-cancel)
1555 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1556 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1557 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1558 gnus-nocem-unwanted-article-p)
1559 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1560 gnus-server-server-name)
1561 ("gnus-srvr" gnus-browse-foreign-server)
1562 ("gnus-cite" :interactive t
1563 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1564 gnus-article-hide-citation gnus-article-fill-cited-article
1565 gnus-article-hide-citation-in-followups)
1566 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1567 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1568 gnus-execute gnus-expunge)
1569 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1570 gnus-cache-possibly-remove-articles gnus-cache-request-article
1571 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1572 gnus-cache-enter-remove-article gnus-cached-article-p
1573 gnus-cache-open gnus-cache-close gnus-cache-update-article)
1574 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1575 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1576 ("gnus-score" :interactive t
1577 gnus-summary-increase-score gnus-summary-set-score
1578 gnus-summary-raise-thread gnus-summary-raise-same-subject
1579 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1580 gnus-summary-lower-thread gnus-summary-lower-same-subject
1581 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1582 gnus-summary-current-score gnus-score-default
1583 gnus-score-flush-cache gnus-score-close
1584 gnus-possibly-score-headers gnus-score-followup-article
1585 gnus-score-followup-thread)
1587 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1588 gnus-current-score-file-nondirectory gnus-score-adaptive
1589 gnus-score-find-trace gnus-score-file-name)
1590 ("gnus-cus" :interactive t gnus-group-customize gnus-score-customize)
1591 ("gnus-topic" :interactive t gnus-topic-mode)
1592 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters)
1593 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1594 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1595 ("gnus-uu" :interactive t
1596 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1597 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1598 gnus-uu-mark-by-regexp gnus-uu-mark-all
1599 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1600 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1601 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1602 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1603 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1604 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1605 gnus-uu-decode-binhex-view)
1606 ("gnus-uu" gnus-uu-delete-work-dir gnus-quote-arg-for-sh-or-csh)
1607 ("gnus-msg" (gnus-summary-send-map keymap)
1608 gnus-article-mail gnus-copy-article-buffer gnus-extended-version)
1609 ("gnus-msg" :interactive t
1610 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1611 gnus-summary-followup gnus-summary-followup-with-original
1612 gnus-summary-cancel-article gnus-summary-supersede-article
1613 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1614 gnus-summary-mail-forward gnus-summary-mail-other-window
1615 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1617 ("gnus-picon" :interactive t gnus-article-display-picons
1618 gnus-group-display-picons gnus-picons-article-display-x-face
1619 gnus-picons-display-x-face)
1620 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1621 gnus-grouplens-mode)
1622 ("smiley" :interactive t gnus-smiley-display)
1623 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1624 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1625 gnus-list-of-unread-articles gnus-list-of-read-articles
1626 gnus-offer-save-summaries gnus-make-thread-indent-array
1627 gnus-summary-exit gnus-update-read-articles)
1628 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1629 gnus-group-list-groups gnus-group-first-unread-group
1630 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1631 gnus-group-setup-buffer gnus-group-get-new-news
1632 gnus-group-make-help-group gnus-group-update-group)
1633 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1634 gnus-backlog-remove-article)
1635 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1636 gnus-article-prepare gnus-article-set-window-start
1637 gnus-article-next-page gnus-article-prev-page
1638 gnus-request-article-this-buffer gnus-article-mode
1639 gnus-article-setup-buffer gnus-narrow-to-page
1640 gnus-article-delete-invisible-text gnus-hack-decode-rfc1522)
1641 ("gnus-art" :interactive t
1642 gnus-article-hide-headers gnus-article-hide-boring-headers
1643 gnus-article-treat-overstrike gnus-article-word-wrap
1644 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1645 gnus-article-display-x-face gnus-article-de-quoted-unreadable
1646 gnus-article-mime-decode-quoted-printable gnus-article-hide-pgp
1647 gnus-article-hide-pem gnus-article-hide-signature
1648 gnus-article-strip-leading-blank-lines gnus-article-date-local
1649 gnus-article-date-original gnus-article-date-lapsed
1650 gnus-article-show-all-headers
1651 gnus-article-edit-mode gnus-article-edit-article
1652 gnus-article-edit-done gnus-decode-rfc1522 article-decode-rfc1522
1653 gnus-start-date-timer gnus-stop-date-timer)
1654 ("gnus-int" gnus-request-type)
1655 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1657 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1658 gnus-dup-enter-articles)
1659 ("gnus-range" gnus-copy-sequence)
1660 ("gnus-eform" gnus-edit-form)
1661 ("gnus-move" :interactive t
1662 gnus-group-move-group-to-server gnus-change-server)
1663 ("gnus-logic" gnus-score-advanced)
1664 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1665 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1666 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1667 gnus-async-halt-prefetch)
1668 ("gnus-agent" gnus-open-agent gnus-agent-get-function
1669 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
1670 gnus-agent-get-undownloaded-list)
1671 ("gnus-agent" :interactive t
1672 gnus-unplugged gnus-agentize)
1673 ("gnus-vm" :interactive t gnus-summary-save-in-vm
1674 gnus-summary-save-article-vm)
1675 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-drafts))))
1677 ;;; gnus-sum.el thingies
1680 (defcustom gnus-summary-line-format "%U\%R\%z\%I\%(%[%4L: %-20,20n%]%) %s\n"
1681 "*The format specification of the lines in the summary buffer.
1683 It works along the same lines as a normal formatting string,
1684 with some simple extensions.
1686 %N Article number, left padded with spaces (string)
1688 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1689 %n Name of the poster (string)
1690 %a Extracted name of the poster (string)
1691 %A Extracted address of the poster (string)
1692 %F Contents of the From: header (string)
1693 %x Contents of the Xref: header (string)
1694 %D Date of the article (string)
1695 %d Date of the article (string) in DD-MMM format
1696 %M Message-id of the article (string)
1697 %r References of the article (string)
1698 %c Number of characters in the article (integer)
1699 %L Number of lines in the article (integer)
1700 %I Indentation based on thread level (a string of spaces)
1701 %T A string with two possible values: 80 spaces if the article
1702 is on thread level two or larger and 0 spaces on level one
1703 %R \"A\" if this article has been replied to, \" \" otherwise (character)
1704 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
1705 %[ Opening bracket (character, \"[\" or \"<\")
1706 %] Closing bracket (character, \"]\" or \">\")
1707 %> Spaces of length thread-level (string)
1708 %< Spaces of length (- 20 thread-level) (string)
1709 %i Article score (number)
1710 %z Article zcore (character)
1711 %t Number of articles under the current thread (number).
1712 %e Whether the thread is empty or not (character).
1713 %l GroupLens score (string).
1714 %V Total thread score (number).
1715 %P The line number (number).
1716 %O Download mark (character).
1717 %u User defined specifier. The next character in the format string should
1718 be a letter. Gnus will call the function gnus-user-format-function-X,
1719 where X is the letter following %u. The function will be passed the
1720 current header as argument. The function should return a string, which
1721 will be inserted into the summary just like information from any other
1724 Text between %( and %) will be highlighted with `gnus-mouse-face'
1725 when the mouse point is placed inside the area. There can only be one
1728 The %U (status), %R (replied) and %z (zcore) specs have to be handled
1729 with care. For reasons of efficiency, Gnus will compute what column
1730 these characters will end up in, and \"hard-code\" that. This means that
1731 it is illegal to have these specs after a variable-length spec. Well,
1732 you might not be arrested, but your summary buffer will look strange,
1733 which is bad enough.
1735 The smart choice is to have these specs as for to the left as
1738 This restriction may disappear in later versions of Gnus."
1740 :group 'gnus-summary-format)
1743 ;;; Skeleton keymaps
1746 (defun gnus-suppress-keymap (keymap)
1747 (suppress-keymap keymap)
1748 (let ((keys `([delete] "\177" "\M-u"))) ;gnus-mouse-2
1750 (define-key keymap (pop keys) 'undefined))))
1752 (defvar gnus-article-mode-map
1753 (let ((keymap (make-keymap)))
1754 (gnus-suppress-keymap keymap)
1756 (defvar gnus-summary-mode-map
1757 (let ((keymap (make-keymap)))
1758 (gnus-suppress-keymap keymap)
1760 (defvar gnus-group-mode-map
1761 (let ((keymap (make-keymap)))
1762 (gnus-suppress-keymap keymap)
1767 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
1768 ;; If you want the cursor to go somewhere else, set these two
1769 ;; functions in some startup hook to whatever you want.
1770 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
1771 (defalias 'gnus-group-position-point 'gnus-goto-colon)
1773 ;;; Various macros and substs.
1775 (defun gnus-header-from (header)
1776 (mail-header-from header))
1778 (defmacro gnus-gethash (string hashtable)
1779 "Get hash value of STRING in HASHTABLE."
1780 `(symbol-value (intern-soft ,string ,hashtable)))
1782 (defmacro gnus-sethash (string value hashtable)
1783 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
1784 `(set (intern ,string ,hashtable) ,value))
1785 (put 'gnus-sethash 'edebug-form-spec '(form form form))
1787 (defmacro gnus-group-unread (group)
1788 "Get the currently computed number of unread articles in GROUP."
1789 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
1791 (defmacro gnus-group-entry (group)
1792 "Get the newsrc entry for GROUP."
1793 `(gnus-gethash ,group gnus-newsrc-hashtb))
1795 (defmacro gnus-active (group)
1796 "Get active info on GROUP."
1797 `(gnus-gethash ,group gnus-active-hashtb))
1799 (defmacro gnus-set-active (group active)
1800 "Set GROUP's active info."
1801 `(gnus-sethash ,group ,active gnus-active-hashtb))
1803 (defun gnus-alive-p ()
1804 "Say whether Gnus is running or not."
1805 (and gnus-group-buffer
1806 (get-buffer gnus-group-buffer)
1808 (set-buffer gnus-group-buffer)
1809 (eq major-mode 'gnus-group-mode))))
1811 ;; Info access macros.
1813 (defmacro gnus-info-group (info)
1815 (defmacro gnus-info-rank (info)
1817 (defmacro gnus-info-read (info)
1819 (defmacro gnus-info-marks (info)
1821 (defmacro gnus-info-method (info)
1823 (defmacro gnus-info-params (info)
1826 (defmacro gnus-info-level (info)
1827 `(let ((rank (gnus-info-rank ,info)))
1831 (defmacro gnus-info-score (info)
1832 `(let ((rank (gnus-info-rank ,info)))
1833 (or (and (consp rank) (cdr rank)) 0)))
1835 (defmacro gnus-info-set-group (info group)
1836 `(setcar ,info ,group))
1837 (defmacro gnus-info-set-rank (info rank)
1838 `(setcar (nthcdr 1 ,info) ,rank))
1839 (defmacro gnus-info-set-read (info read)
1840 `(setcar (nthcdr 2 ,info) ,read))
1841 (defmacro gnus-info-set-marks (info marks &optional extend)
1843 `(gnus-info-set-entry ,info ,marks 3)
1844 `(setcar (nthcdr 3 ,info) ,marks)))
1845 (defmacro gnus-info-set-method (info method &optional extend)
1847 `(gnus-info-set-entry ,info ,method 4)
1848 `(setcar (nthcdr 4 ,info) ,method)))
1849 (defmacro gnus-info-set-params (info params &optional extend)
1851 `(gnus-info-set-entry ,info ,params 5)
1852 `(setcar (nthcdr 5 ,info) ,params)))
1854 (defun gnus-info-set-entry (info entry number)
1855 ;; Extend the info until we have enough elements.
1856 (while (<= (length info) number)
1857 (nconc info (list nil)))
1859 (setcar (nthcdr number info) entry))
1861 (defmacro gnus-info-set-level (info level)
1862 `(let ((rank (cdr ,info)))
1863 (if (consp (car rank))
1864 (setcar (car rank) ,level)
1865 (setcar rank ,level))))
1866 (defmacro gnus-info-set-score (info score)
1867 `(let ((rank (cdr ,info)))
1868 (if (consp (car rank))
1869 (setcdr (car rank) ,score)
1870 (setcar rank (cons (car rank) ,score)))))
1872 (defmacro gnus-get-info (group)
1873 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
1875 ;; Byte-compiler warning.
1876 (defvar gnus-visual)
1877 ;; Find out whether the gnus-visual TYPE is wanted.
1878 (defun gnus-visual-p (&optional type class)
1879 (and gnus-visual ; Has to be non-nil, at least.
1880 (if (not type) ; We don't care about type.
1882 (if (listp gnus-visual) ; It's a list, so we check it.
1883 (or (memq type gnus-visual)
1884 (memq class gnus-visual))
1887 ;;; Load the compatability functions.
1896 (defvar gnus-shutdown-alist nil)
1898 (defun gnus-add-shutdown (function &rest symbols)
1899 "Run FUNCTION whenever one of SYMBOLS is shut down."
1900 (push (cons function symbols) gnus-shutdown-alist))
1902 (defun gnus-shutdown (symbol)
1903 "Shut down everything that waits for SYMBOL."
1904 (let ((alist gnus-shutdown-alist)
1906 (while (setq entry (pop alist))
1907 (when (memq symbol (cdr entry))
1908 (funcall (car entry))))))
1912 ;;; Gnus Utility Functions
1915 (defmacro gnus-string-or (&rest strings)
1916 "Return the first element of STRINGS that is a non-blank string.
1917 STRINGS will be evaluated in normal `or' order."
1918 `(gnus-string-or-1 ',strings))
1920 (defun gnus-string-or-1 (strings)
1923 (setq string (eval (pop strings)))
1924 (if (string-match "^[ \t]*$" string)
1926 (setq strings nil)))
1929 ;; Add the current buffer to the list of buffers to be killed on exit.
1930 (defun gnus-add-current-to-buffer-list ()
1931 (or (memq (current-buffer) gnus-buffer-list)
1932 (push (current-buffer) gnus-buffer-list)))
1934 (defun gnus-version (&optional arg)
1935 "Version number of this version of Gnus.
1936 If ARG, insert string at point."
1938 (let ((methods gnus-valid-select-methods)
1941 ;; Go through all the legal select methods and add their version
1942 ;; numbers to the total version string. Only the backends that are
1943 ;; currently in use will have their message numbers taken into
1946 (setq meth (intern (concat (caar methods) "-version")))
1948 (stringp (symbol-value meth))
1949 (setq mess (concat mess "; " (symbol-value meth))))
1950 (setq methods (cdr methods)))
1952 (insert (message mess))
1955 (defun gnus-continuum-version (version)
1956 "Return VERSION as a floating point number."
1957 (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version)
1958 (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version))
1959 (let* ((alpha (and (match-beginning 1) (match-string 1 version)))
1960 (number (match-string 2 version))
1962 (string-match "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number)
1963 (setq major (string-to-number (match-string 1 number)))
1964 (setq minor (string-to-number (match-string 2 number)))
1965 (setq least (if (match-beginning 3)
1966 (string-to-number (match-string 3 number))
1970 (format "%s00%02d%02d"
1972 ((member alpha '("(ding)" "d")) "4.99")
1973 ((member alpha '("September" "s")) "5.01")
1974 ((member alpha '("Red" "r")) "5.03"))
1976 (format "%d.%02d%02d" major minor least))))))
1978 (defun gnus-info-find-node ()
1979 "Find Info documentation of Gnus."
1981 ;; Enlarge info window if needed.
1982 (let (gnus-info-buffer)
1983 (Info-goto-node (cadr (assq major-mode gnus-info-nodes)))
1984 (setq gnus-info-buffer (current-buffer))
1985 (gnus-configure-windows 'info)))
1988 ;;; gnus-interactive
1991 (defvar gnus-current-prefix-symbol nil
1992 "Current prefix symbol.")
1994 (defvar gnus-current-prefix-symbols nil
1995 "List of current prefix symbols.")
1997 (defun gnus-interactive (string &optional params)
1998 "Return a list that can be fed to `interactive'.
1999 See `interactive' for full documentation.
2001 Adds the following specs:
2003 y -- The current symbolic prefix.
2004 Y -- A list of the current symbolic prefix(es).
2005 A -- Article number.
2006 H -- Article header.
2010 (while (< i (length string))
2011 (string-match ".\\([^\n]*\\)\n?" string i)
2012 (setq c (aref string i))
2014 (setq prompt (match-string 1 string)))
2015 (setq i (match-end 0))
2016 ;; We basically emulate just about everything that
2017 ;; `interactive' does, but adds the "g" and "G" specs.
2021 (completing-read prompt obarray 'fboundp t))
2023 (read-buffer prompt (current-buffer) t))
2025 (read-buffer prompt (other-buffer (current-buffer))))
2029 (completing-read prompt obarray 'commandp t))
2033 (read-file-name prompt nil default-directory 'lambda))
2035 (read-file-name prompt nil nil 'lambda))
2037 (read-file-name prompt))
2039 (read-key-sequence prompt))
2041 (error "Not implemented spec"))
2043 (error "Not implemented spec"))
2047 (error "Not implemented spec"))
2049 (string-to-number (read-from-minibuffer prompt)))
2051 (prefix-numeric-value current-prefix-arg))
2057 (read-string prompt))
2059 (intern (read-string prompt)))
2061 (read-variable prompt))
2063 (read-minibuffer prompt))
2065 (eval-minibuffer prompt))
2066 ;; And here the new specs come.
2068 gnus-current-prefix-symbol)
2070 gnus-current-prefix-symbols)
2072 (gnus-group-group-name))
2074 (gnus-summary-article-number))
2076 (gnus-summary-article-header))
2078 (error "Not implemented spec")))
2082 (push (if (< (point) (mark) (point) (mark))) out)
2083 (push (if (> (point) (mark) (point) (mark))) out))))
2084 (setq out (delq 'gnus-prefix-nil out))
2087 (defun gnus-symbolic-argument (&optional arg)
2088 "Read a symbolic argument and a command, and then execute command."
2090 (let* ((in-command (this-command-keys))
2091 (command in-command)
2092 gnus-current-prefix-symbols
2093 gnus-current-prefix-symbol
2095 (while (equal in-command command)
2096 (message "%s-" (key-description (this-command-keys)))
2097 (push (intern (char-to-string (read-char))) syms)
2098 (setq command (read-key-sequence nil t)))
2099 (setq gnus-current-prefix-symbols (nreverse syms)
2100 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2101 (call-interactively (key-binding command t))))
2103 ;;; More various functions.
2105 (defsubst gnus-check-backend-function (func group)
2106 "Check whether GROUP supports function FUNC.
2107 GROUP can either be a string (a group name) or a select method."
2109 (let ((method (if (stringp group)
2110 (car (gnus-find-method-for-group group))
2112 (unless (featurep method)
2114 (fboundp (intern (format "%s-%s" method func))))))
2116 (defun gnus-group-read-only-p (&optional group)
2117 "Check whether GROUP supports editing or not.
2118 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2119 that that variable is buffer-local to the summary buffers."
2120 (let ((group (or group gnus-newsgroup-name)))
2121 (not (gnus-check-backend-function 'request-replace-article group))))
2123 (defun gnus-group-total-expirable-p (group)
2124 "Check whether GROUP is total-expirable or not."
2125 (let ((params (gnus-group-find-parameter group))
2128 ((memq 'total-expire params)
2130 ((setq val (assq 'total-expire params)) ; (auto-expire . t)
2132 (gnus-total-expirable-newsgroups ; Check var.
2133 (string-match gnus-total-expirable-newsgroups group)))))
2135 (defun gnus-group-auto-expirable-p (group)
2136 "Check whether GROUP is auto-expirable or not."
2137 (let ((params (gnus-group-find-parameter group))
2140 ((memq 'auto-expire params)
2142 ((setq val (assq 'auto-expire params)) ; (auto-expire . t)
2144 (gnus-auto-expirable-newsgroups ; Check var.
2145 (string-match gnus-auto-expirable-newsgroups group)))))
2147 (defun gnus-virtual-group-p (group)
2148 "Say whether GROUP is virtual or not."
2149 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2150 gnus-valid-select-methods)))
2152 (defun gnus-news-group-p (group &optional article)
2153 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2154 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
2155 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
2156 (eq (gnus-request-type group article) 'news))))
2158 ;; Returns a list of writable groups.
2159 (defun gnus-writable-groups ()
2160 (let ((alist gnus-newsrc-alist)
2162 (while (setq group (car (pop alist)))
2163 (unless (gnus-group-read-only-p group)
2164 (push group groups)))
2167 ;; Check whether to use long file names.
2168 (defun gnus-use-long-file-name (symbol)
2169 ;; The variable has to be set...
2170 (and gnus-use-long-file-name
2171 ;; If it isn't a list, then we return t.
2172 (or (not (listp gnus-use-long-file-name))
2173 ;; If it is a list, and the list contains `symbol', we
2175 (not (memq symbol gnus-use-long-file-name)))))
2177 ;; Generate a unique new group name.
2178 (defun gnus-generate-new-group-name (leaf)
2181 (while (gnus-gethash name gnus-newsrc-hashtb)
2182 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2185 (defun gnus-ephemeral-group-p (group)
2186 "Say whether GROUP is ephemeral or not."
2187 (gnus-group-get-parameter group 'quit-config))
2189 (defun gnus-group-quit-config (group)
2190 "Return the quit-config of GROUP."
2191 (gnus-group-get-parameter group 'quit-config))
2193 (defun gnus-kill-ephemeral-group (group)
2194 "Remove ephemeral GROUP from relevant structures."
2195 (gnus-sethash group nil gnus-newsrc-hashtb))
2197 (defun gnus-simplify-mode-line ()
2198 "Make mode lines a bit simpler."
2199 (setq mode-line-modified (cdr gnus-mode-line-modified))
2200 (when (listp mode-line-format)
2201 (make-local-variable 'mode-line-format)
2202 (setq mode-line-format (copy-sequence mode-line-format))
2203 (when (equal (nth 3 mode-line-format) " ")
2204 (setcar (nthcdr 3 mode-line-format) " "))))
2206 ;;; Servers and groups.
2208 (defsubst gnus-server-add-address (method)
2209 (let ((method-name (symbol-name (car method))))
2210 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2211 (not (assq (intern (concat method-name "-address")) method))
2212 (memq 'physical-address (assq (car method)
2213 gnus-valid-select-methods)))
2214 (append method (list (list (intern (concat method-name "-address"))
2218 (defsubst gnus-server-get-method (group method)
2219 ;; Input either a server name, and extended server name, or a
2220 ;; select method, and return a select method.
2221 (cond ((stringp method)
2222 (gnus-server-to-method method))
2223 ((equal method gnus-select-method)
2225 ((and (stringp (car method)) group)
2226 (gnus-server-extend-method group method))
2227 ((and method (not group)
2228 (equal (cadr method) ""))
2231 (gnus-server-add-address method))))
2233 (defun gnus-server-to-method (server)
2234 "Map virtual server names to select methods."
2236 ;; Is this a method, perhaps?
2237 (and server (listp server) server)
2238 ;; Perhaps this is the native server?
2239 (and (equal server "native") gnus-select-method)
2240 ;; It should be in the server alist.
2241 (cdr (assoc server gnus-server-alist))
2242 ;; It could be in the predefined server alist.
2243 (cdr (assoc server gnus-predefined-server-alist))
2244 ;; If not, we look through all the opened server
2245 ;; to see whether we can find it there.
2246 (let ((opened gnus-opened-servers))
2248 (not (equal server (format "%s:%s" (caaar opened)
2253 (defmacro gnus-method-equal (ss1 ss2)
2254 "Say whether two servers are equal."
2258 (and (= (length s1) (length s2))
2260 (while (and s1 (member (car s1) s2))
2264 (defun gnus-server-equal (m1 m2)
2265 "Say whether two methods are equal."
2266 (let ((m1 (cond ((null m1) gnus-select-method)
2267 ((stringp m1) (gnus-server-to-method m1))
2269 (m2 (cond ((null m2) gnus-select-method)
2270 ((stringp m2) (gnus-server-to-method m2))
2272 (gnus-method-equal m1 m2)))
2274 (defun gnus-servers-using-backend (backend)
2275 "Return a list of known servers using BACKEND."
2276 (let ((opened gnus-opened-servers)
2279 (when (eq backend (caaar opened))
2280 (push (caar opened) out))
2284 (defun gnus-archive-server-wanted-p ()
2285 "Say whether the user wants to use the archive server."
2287 ((or (not gnus-message-archive-method)
2288 (not gnus-message-archive-group))
2290 ((and gnus-message-archive-method gnus-message-archive-group)
2293 (let ((active (cadr (assq 'nnfolder-active-file
2294 gnus-message-archive-method))))
2296 (file-exists-p active))))))
2298 (defun gnus-group-prefixed-name (group method)
2299 "Return the whole name from GROUP and METHOD."
2300 (and (stringp method) (setq method (gnus-server-to-method method)))
2301 (if (or (not method)
2302 (gnus-server-equal method "native"))
2304 (concat (format "%s" (car method))
2306 (or (assoc (format "%s" (car method))
2307 (gnus-methods-using 'address))
2308 (gnus-server-equal method gnus-message-archive-method))
2310 (not (string= (nth 1 method) "")))
2311 (concat "+" (nth 1 method)))
2314 (defun gnus-group-real-prefix (group)
2315 "Return the prefix of the current group name."
2316 (if (string-match "^[^:]+:" group)
2317 (substring group 0 (match-end 0))
2320 (defun gnus-group-method (group)
2321 "Return the server or method used for selecting GROUP.
2322 You should probably use `gnus-find-method-for-group' instead."
2323 (let ((prefix (gnus-group-real-prefix group)))
2324 (if (equal prefix "")
2326 (let ((servers gnus-opened-servers)
2328 backend possible found)
2329 (if (string-match "^[^\\+]+\\+" prefix)
2330 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2331 server (substring prefix (match-end 0) (1- (length prefix))))
2332 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2334 (when (eq (caaar servers) backend)
2335 (setq possible (caar servers))
2336 (when (equal (cadaar servers) server)
2337 (setq found (caar servers))))
2339 (or (car (rassoc found gnus-server-alist))
2341 (car (rassoc possible gnus-server-alist))
2343 (list backend server))))))
2345 (defsubst gnus-secondary-method-p (method)
2346 "Return whether METHOD is a secondary select method."
2347 (let ((methods gnus-secondary-select-methods)
2348 (gmethod (gnus-server-get-method nil method)))
2350 (not (equal (gnus-server-get-method nil (car methods))
2352 (setq methods (cdr methods)))
2355 (defun gnus-groups-from-server (server)
2356 "Return a list of all groups that are fetched from SERVER."
2357 (let ((alist (cdr gnus-newsrc-alist))
2359 (while (setq info (pop alist))
2360 (when (gnus-server-equal (gnus-info-method info) server)
2361 (push (gnus-info-group info) groups)))
2362 (sort groups 'string<)))
2364 (defun gnus-group-foreign-p (group)
2365 "Say whether a group is foreign or not."
2366 (and (not (gnus-group-native-p group))
2367 (not (gnus-group-secondary-p group))))
2369 (defun gnus-group-native-p (group)
2370 "Say whether the group is native or not."
2371 (not (string-match ":" group)))
2373 (defun gnus-group-secondary-p (group)
2374 "Say whether the group is secondary or not."
2375 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2377 (defun gnus-group-find-parameter (group &optional symbol)
2378 "Return the group parameters for GROUP.
2379 If SYMBOL, return the value of that symbol in the group parameters."
2381 (set-buffer gnus-group-buffer)
2382 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2384 (gnus-group-parameter-value parameters symbol)
2387 (defun gnus-group-get-parameter (group &optional symbol)
2388 "Return the group parameters for GROUP.
2389 If SYMBOL, return the value of that symbol in the group parameters."
2390 (let ((params (gnus-info-params (gnus-get-info group))))
2392 (gnus-group-parameter-value params symbol)
2395 (defun gnus-group-parameter-value (params symbol)
2396 "Return the value of SYMBOL in group PARAMS."
2397 (or (car (memq symbol params)) ; It's either a simple symbol
2398 (cdr (assq symbol params)))) ; or a cons.
2400 (defun gnus-group-add-parameter (group param)
2401 "Add parameter PARAM to GROUP."
2402 (let ((info (gnus-get-info group)))
2404 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2405 ;; Cons the new param to the old one and update.
2406 (gnus-group-set-info (cons param (gnus-info-params info))
2409 (defun gnus-group-set-parameter (group name value)
2410 "Set parameter NAME to VALUE in GROUP."
2411 (let ((info (gnus-get-info group)))
2413 (gnus-group-remove-parameter group name)
2414 (let ((old-params (gnus-info-params info))
2415 (new-params (list (cons name value))))
2417 (when (or (not (listp (car old-params)))
2418 (not (eq (caar old-params) name)))
2419 (setq new-params (append new-params (list (car old-params)))))
2420 (setq old-params (cdr old-params)))
2421 (gnus-group-set-info new-params group 'params)))))
2423 (defun gnus-group-remove-parameter (group name)
2424 "Remove parameter NAME from GROUP."
2425 (let ((info (gnus-get-info group)))
2427 (let ((params (gnus-info-params info)))
2429 (setq params (delq name params))
2430 (while (assq name params)
2431 (setq params (delq (assq name params) params)))
2432 (gnus-info-set-params info params))))))
2434 (defun gnus-group-add-score (group &optional score)
2435 "Add SCORE to the GROUP score.
2436 If SCORE is nil, add 1 to the score of GROUP."
2437 (let ((info (gnus-get-info group)))
2439 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2441 ;; Function written by Stainless Steel Rat <ratinox@peorth.gweep.net>
2442 (defun gnus-short-group-name (group &optional levels)
2443 "Collapse GROUP name LEVELS.
2444 Select methods are stripped and any remote host name is stripped down to
2445 just the host name."
2446 (let* ((name "") (foreign "") (depth -1) (skip 1)
2449 (while (string-match "\\." group skip)
2450 (setq skip (match-end 0)
2453 ;; separate foreign select method from group name and collapse.
2454 ;; if method contains a server, collapse to non-domain server name,
2455 ;; otherwise collapse to select method
2456 (when (string-match ":" group)
2457 (cond ((string-match "+" group)
2458 (let* ((plus (string-match "+" group))
2459 (colon (string-match ":" group (or plus 0)))
2460 (dot (string-match "\\." group)))
2461 (setq foreign (concat
2462 (substring group (+ 1 plus)
2463 (cond ((null dot) colon)
2464 ((< colon dot) colon)
2465 ((< dot colon) dot)))
2467 group (substring group (+ 1 colon)))))
2469 (let* ((colon (string-match ":" group)))
2470 (setq foreign (concat (substring group 0 (+ 1 colon)))
2471 group (substring group (+ 1 colon)))))))
2472 ;; collapse group name leaving LEVELS uncollapsed elements
2474 (if (and (string-match "\\." group) (> levels 0))
2475 (setq name (concat name (substring group 0 1))
2476 group (substring group (match-end 0))
2478 name (concat name "."))
2479 (setq name (concat foreign name group)
2483 (defun gnus-narrow-to-body ()
2484 "Narrow to the body of an article."
2487 (goto-char (point-min))
2488 (or (search-forward "\n\n" nil t)
2494 ;;; Kill file handling.
2497 (defun gnus-apply-kill-file ()
2498 "Apply a kill file to the current newsgroup.
2499 Returns the number of articles marked as read."
2500 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2501 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2502 (gnus-apply-kill-file-internal)
2505 (defun gnus-kill-save-kill-buffer ()
2506 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2507 (when (get-file-buffer file)
2509 (set-buffer (get-file-buffer file))
2510 (when (buffer-modified-p)
2512 (kill-buffer (current-buffer))))))
2514 (defcustom gnus-kill-file-name "KILL"
2515 "Suffix of the kill files."
2516 :group 'gnus-score-kill
2517 :group 'gnus-score-files
2520 (defun gnus-newsgroup-kill-file (newsgroup)
2521 "Return the name of a kill file name for NEWSGROUP.
2522 If NEWSGROUP is nil, return the global kill file name instead."
2524 ;; The global KILL file is placed at top of the directory.
2525 ((or (null newsgroup)
2526 (string-equal newsgroup ""))
2527 (expand-file-name gnus-kill-file-name
2528 gnus-kill-files-directory))
2529 ;; Append ".KILL" to newsgroup name.
2530 ((gnus-use-long-file-name 'not-kill)
2531 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2532 "." gnus-kill-file-name)
2533 gnus-kill-files-directory))
2534 ;; Place "KILL" under the hierarchical directory.
2536 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2537 "/" gnus-kill-file-name)
2538 gnus-kill-files-directory))))
2542 (defun gnus-member-of-valid (symbol group)
2543 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2545 (symbol-name (car (gnus-find-method-for-group group)))
2546 gnus-valid-select-methods)))
2548 (defun gnus-method-option-p (method option)
2549 "Return non-nil if select METHOD has OPTION as a parameter."
2550 (when (stringp method)
2551 (setq method (gnus-server-to-method method)))
2552 (memq option (assoc (format "%s" (car method))
2553 gnus-valid-select-methods)))
2555 (defun gnus-similar-server-opened (method)
2556 (let ((opened gnus-opened-servers))
2557 (while (and method opened)
2558 (when (and (equal (cadr method) (cadaar opened))
2559 (not (equal method (caar opened))))
2564 (defun gnus-server-extend-method (group method)
2565 ;; This function "extends" a virtual server. If the server is
2566 ;; "hello", and the select method is ("hello" (my-var "something"))
2567 ;; in the group "alt.alt", this will result in a new virtual server
2568 ;; called "hello+alt.alt".
2569 (if (or (not (inline (gnus-similar-server-opened method)))
2570 (not (cddr method)))
2572 `(,(car method) ,(concat (cadr method) "+" group)
2573 (,(intern (format "%s-address" (car method))) ,(cadr method))
2576 (defun gnus-server-status (method)
2577 "Return the status of METHOD."
2578 (nth 1 (assoc method gnus-opened-servers)))
2580 (defun gnus-group-name-to-method (group)
2581 "Guess a select method based on GROUP."
2582 (if (string-match ":" group)
2583 (let ((server (substring group 0 (match-beginning 0))))
2584 (if (string-match "\\+" server)
2585 (list (intern (substring server 0 (match-beginning 0)))
2586 (substring server (match-end 0)))
2587 (list (intern server) "")))
2588 gnus-select-method))
2590 (defun gnus-find-method-for-group (group &optional info)
2591 "Find the select method that GROUP uses."
2592 (or gnus-override-method
2595 (let ((info (or info (gnus-get-info group)))
2598 (not (setq method (gnus-info-method info)))
2599 (equal method "native"))
2602 (cond ((stringp method)
2603 (inline (gnus-server-to-method method)))
2604 ((stringp (cadr method))
2605 (inline (gnus-server-extend-method group method)))
2608 (cond ((equal (cadr method) "")
2610 ((null (cadr method))
2611 (list (car method) ""))
2613 (gnus-server-add-address method)))))))
2615 (defun gnus-methods-using (feature)
2616 "Find all methods that have FEATURE."
2617 (let ((valids gnus-valid-select-methods)
2620 (when (memq feature (car valids))
2621 (push (car valids) outs))
2622 (setq valids (cdr valids)))
2625 (defun gnus-read-group (prompt &optional default)
2626 "Prompt the user for a group name.
2627 Disallow illegal group names."
2633 (setq group (read-string (concat prefix prompt)
2634 (cons (or default "") 0)
2635 'gnus-group-history)))
2636 (setq prefix (format "Illegal group name: \"%s\". " group)
2640 (defun gnus-read-method (prompt)
2641 "Prompt the user for a method.
2642 Allow completion over sensible values."
2645 prompt (append gnus-valid-select-methods gnus-predefined-server-alist
2647 nil t nil 'gnus-method-history)))
2650 (setq method gnus-select-method))
2651 ((assoc method gnus-valid-select-methods)
2652 (list (intern method)
2653 (if (memq 'prompt-address
2654 (assoc method gnus-valid-select-methods))
2655 (read-string "Address: ")
2657 ((assoc method gnus-server-alist)
2660 (list (intern method) "")))))
2662 ;;; User-level commands.
2665 (defun gnus-slave-no-server (&optional arg)
2666 "Read network news as a slave, without connecting to local server"
2668 (gnus-no-server arg t))
2671 (defun gnus-no-server (&optional arg slave)
2673 If ARG is a positive number, Gnus will use that as the
2674 startup level. If ARG is nil, Gnus will be started at level 2.
2675 If ARG is non-nil and not a positive number, Gnus will
2676 prompt the user for the name of an NNTP server to use.
2677 As opposed to `gnus', this command will not connect to the local server."
2679 (gnus-no-server-1 arg slave))
2682 (defun gnus-slave (&optional arg)
2683 "Read news as a slave."
2685 (gnus arg nil 'slave))
2688 (defun gnus-other-frame (&optional arg)
2689 "Pop up a frame to read news."
2691 (let ((window (get-buffer-window gnus-group-buffer)))
2693 (select-frame (window-frame window)))
2694 ((= (length (frame-list)) 1)
2695 (select-frame (make-frame)))
2701 (defun gnus (&optional arg dont-connect slave)
2703 If ARG is non-nil and a positive number, Gnus will use that as the
2704 startup level. If ARG is non-nil and not a positive number, Gnus will
2705 prompt the user for the name of an NNTP server to use."
2707 (gnus-1 arg dont-connect slave))
2709 ;; Allow redefinition of Gnus functions.
2715 ;;; gnus.el ends here