1 ;;; gnus.el --- a newsreader for GNU Emacs
2 ;; Copyright (C) 1987,88,89,90,93,94,95,96,97,98 Free Software Foundation, Inc.
4 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
5 ;; Lars Magne Ingebrigtsen <larsi@gnus.org>
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))
35 (if (< emacs-major-version 20)
36 (require 'gnus-load)))
40 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
44 (defgroup gnus-cache nil
48 (defgroup gnus-start nil
49 "Starting your favorite newsreader."
52 (defgroup gnus-start-server nil
53 "Server options at startup."
56 ;; These belong to gnus-group.el.
57 (defgroup gnus-group nil
59 :link '(custom-manual "(gnus)The Group Buffer")
62 (defgroup gnus-group-foreign nil
64 :link '(custom-manual "(gnus)Foreign Groups")
67 (defgroup gnus-group-new nil
68 "Automatic subscription of new groups."
71 (defgroup gnus-group-levels nil
73 :link '(custom-manual "(gnus)Group Levels")
76 (defgroup gnus-group-select nil
78 :link '(custom-manual "(gnus)Selecting a Group")
81 (defgroup gnus-group-listing nil
82 "Showing slices of the group list."
83 :link '(custom-manual "(gnus)Listing Groups")
86 (defgroup gnus-group-visual nil
87 "Sorting the group buffer."
88 :link '(custom-manual "(gnus)Group Buffer Format")
92 (defgroup gnus-group-various nil
93 "Various group options."
94 :link '(custom-manual "(gnus)Scanning New Messages")
97 ;; These belong to gnus-sum.el.
98 (defgroup gnus-summary nil
100 :link '(custom-manual "(gnus)The Summary Buffer")
103 (defgroup gnus-summary-exit nil
104 "Leaving summary buffers."
105 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
106 :group 'gnus-summary)
108 (defgroup gnus-summary-marks nil
109 "Marks used in summary buffers."
110 :link '(custom-manual "(gnus)Marking Articles")
111 :group 'gnus-summary)
113 (defgroup gnus-thread nil
114 "Ordering articles according to replies."
115 :link '(custom-manual "(gnus)Threading")
116 :group 'gnus-summary)
118 (defgroup gnus-summary-format nil
119 "Formatting of the summary buffer."
120 :link '(custom-manual "(gnus)Summary Buffer Format")
121 :group 'gnus-summary)
123 (defgroup gnus-summary-choose nil
125 :link '(custom-manual "(gnus)Choosing Articles")
126 :group 'gnus-summary)
128 (defgroup gnus-summary-maneuvering nil
129 "Summary movement commands."
130 :link '(custom-manual "(gnus)Summary Maneuvering")
131 :group 'gnus-summary)
133 (defgroup gnus-summary-mail nil
134 "Mail group commands."
135 :link '(custom-manual "(gnus)Mail Group Commands")
136 :group 'gnus-summary)
138 (defgroup gnus-summary-sort nil
139 "Sorting the summary buffer."
140 :link '(custom-manual "(gnus)Sorting")
141 :group 'gnus-summary)
143 (defgroup gnus-summary-visual nil
144 "Highlighting and menus in the summary buffer."
145 :link '(custom-manual "(gnus)Summary Highlighting")
147 :group 'gnus-summary)
149 (defgroup gnus-summary-various nil
150 "Various summary buffer options."
151 :link '(custom-manual "(gnus)Various Summary Stuff")
152 :group 'gnus-summary)
154 (defgroup gnus-summary-pick nil
155 "Pick mode in the summary buffer."
156 :link '(custom-manual "(gnus)Pick and Read")
158 :group 'gnus-summary)
160 (defgroup gnus-summary-tree nil
161 "Tree display of threads in the summary buffer."
162 :link '(custom-manual "(gnus)Tree Display")
164 :group 'gnus-summary)
166 ;; Belongs to gnus-uu.el
167 (defgroup gnus-extract-view nil
168 "Viewing extracted files."
169 :link '(custom-manual "(gnus)Viewing Files")
170 :group 'gnus-extract)
172 ;; Belongs to gnus-score.el
173 (defgroup gnus-score nil
174 "Score and kill file handling."
177 (defgroup gnus-score-kill nil
181 (defgroup gnus-score-adapt nil
182 "Adaptive score files."
185 (defgroup gnus-score-default nil
186 "Default values for score files."
189 (defgroup gnus-score-expire nil
190 "Expiring score rules."
193 (defgroup gnus-score-decay nil
194 "Decaying score rules."
197 (defgroup gnus-score-files nil
198 "Score and kill file names."
202 (defgroup gnus-score-various nil
203 "Various scoring and killing options."
207 (defgroup gnus-visual nil
208 "Options controling the visual fluff."
212 (defgroup gnus-agent nil
213 "Offline support for Gnus."
216 (defgroup gnus-files nil
217 "Files used by Gnus."
220 (defgroup gnus-dribble-file nil
222 :link '(custom-manual "(gnus)Auto Save")
225 (defgroup gnus-newsrc nil
226 "Storing Gnus state."
229 (defgroup gnus-server nil
230 "Options related to newsservers and other servers used by Gnus."
233 (defgroup gnus-message '((message custom-group))
234 "Composing replies and followups in Gnus."
237 (defgroup gnus-meta nil
238 "Meta variables controling major portions of Gnus.
239 In general, modifying these variables does not take affect until Gnus
240 is restarted, and sometimes reloaded."
243 (defgroup gnus-various nil
244 "Other Gnus options."
245 :link '(custom-manual "(gnus)Various Various")
248 (defgroup gnus-exit nil
250 :link '(custom-manual "(gnus)Exiting Gnus")
253 (defconst gnus-product-name "T-gnus"
254 "Product name of this version of gnus.")
256 (defconst gnus-version-number "6.8.16"
257 "Version number for this version of gnus.")
259 (defconst gnus-version
260 (format "%s %s (based on Gnus 5.6.41; for SEMI 1.8, FLIM 1.8/1.9)"
261 gnus-product-name gnus-version-number)
262 "Version string for this version of gnus.")
264 (defcustom gnus-inhibit-startup-message nil
265 "If non-nil, the startup message will not be displayed.
266 This variable is used before `.gnus.el' is loaded, so it should
267 be set in `.emacs' instead."
271 (defcustom gnus-play-startup-jingle nil
272 "If non-nil, play the Gnus jingle at startup."
276 ;;; Kludges to help the transition from the old `custom.el'.
278 (unless (featurep 'gnus-xmas)
279 (defalias 'gnus-make-overlay 'make-overlay)
280 (defalias 'gnus-delete-overlay 'delete-overlay)
281 (defalias 'gnus-overlay-put 'overlay-put)
282 (defalias 'gnus-move-overlay 'move-overlay)
283 (defalias 'gnus-overlay-end 'overlay-end)
284 (defalias 'gnus-extent-detached-p 'ignore)
285 (defalias 'gnus-extent-start-open 'ignore)
286 (defalias 'gnus-set-text-properties 'set-text-properties)
287 (defalias 'gnus-group-remove-excess-properties 'ignore)
288 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
289 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
290 (defalias 'gnus-character-to-event 'identity)
291 (defalias 'gnus-add-text-properties 'add-text-properties)
292 (defalias 'gnus-put-text-property 'put-text-property)
293 (defalias 'gnus-mode-line-buffer-identification 'identity)
294 (defalias 'gnus-characterp 'numberp)
295 (defalias 'gnus-deactivate-mark 'deactivate-mark)
296 (defalias 'gnus-window-edges 'window-edges)
297 (defalias 'gnus-key-press-event-p 'numberp))
299 ;; We define these group faces here to avoid the display
300 ;; update forced when creating new faces.
302 (defface gnus-group-news-1-face
305 (:foreground "PaleTurquoise" :bold t))
308 (:foreground "ForestGreen" :bold t))
311 "Level 1 newsgroup face.")
313 (defface gnus-group-news-1-empty-face
316 (:foreground "PaleTurquoise"))
319 (:foreground "ForestGreen"))
322 "Level 1 empty newsgroup face.")
324 (defface gnus-group-news-2-face
327 (:foreground "turquoise" :bold t))
330 (:foreground "CadetBlue4" :bold t))
333 "Level 2 newsgroup face.")
335 (defface gnus-group-news-2-empty-face
338 (:foreground "turquoise"))
341 (:foreground "CadetBlue4"))
344 "Level 2 empty newsgroup face.")
346 (defface gnus-group-news-3-face
355 "Level 3 newsgroup face.")
357 (defface gnus-group-news-3-empty-face
366 "Level 3 empty newsgroup face.")
368 (defface gnus-group-news-low-face
371 (:foreground "DarkTurquoise" :bold t))
374 (:foreground "DarkGreen" :bold t))
377 "Low level newsgroup face.")
379 (defface gnus-group-news-low-empty-face
382 (:foreground "DarkTurquoise"))
385 (:foreground "DarkGreen"))
388 "Low level empty newsgroup face.")
390 (defface gnus-group-mail-1-face
393 (:foreground "aquamarine1" :bold t))
396 (:foreground "DeepPink3" :bold t))
399 "Level 1 mailgroup face.")
401 (defface gnus-group-mail-1-empty-face
404 (:foreground "aquamarine1"))
407 (:foreground "DeepPink3"))
409 (:italic t :bold t)))
410 "Level 1 empty mailgroup face.")
412 (defface gnus-group-mail-2-face
415 (:foreground "aquamarine2" :bold t))
418 (:foreground "HotPink3" :bold t))
421 "Level 2 mailgroup face.")
423 (defface gnus-group-mail-2-empty-face
426 (:foreground "aquamarine2"))
429 (:foreground "HotPink3"))
432 "Level 2 empty mailgroup face.")
434 (defface gnus-group-mail-3-face
437 (:foreground "aquamarine3" :bold t))
440 (:foreground "magenta4" :bold t))
443 "Level 3 mailgroup face.")
445 (defface gnus-group-mail-3-empty-face
448 (:foreground "aquamarine3"))
451 (:foreground "magenta4"))
454 "Level 3 empty mailgroup face.")
456 (defface gnus-group-mail-low-face
459 (:foreground "aquamarine4" :bold t))
462 (:foreground "DeepPink4" :bold t))
465 "Low level mailgroup face.")
467 (defface gnus-group-mail-low-empty-face
470 (:foreground "aquamarine4"))
473 (:foreground "DeepPink4"))
476 "Low level empty mailgroup face.")
478 ;; Summary mode faces.
480 (defface gnus-summary-selected-face '((t
482 "Face used for selected articles.")
484 (defface gnus-summary-cancelled-face
486 (:foreground "yellow" :background "black")))
487 "Face used for cancelled articles.")
489 (defface gnus-summary-high-ticked-face
492 (:foreground "pink" :bold t))
495 (:foreground "firebrick" :bold t))
498 "Face used for high interest ticked articles.")
500 (defface gnus-summary-low-ticked-face
503 (:foreground "pink" :italic t))
506 (:foreground "firebrick" :italic t))
509 "Face used for low interest ticked articles.")
511 (defface gnus-summary-normal-ticked-face
514 (:foreground "pink"))
517 (:foreground "firebrick"))
520 "Face used for normal interest ticked articles.")
522 (defface gnus-summary-high-ancient-face
525 (:foreground "SkyBlue" :bold t))
528 (:foreground "RoyalBlue" :bold t))
531 "Face used for high interest ancient articles.")
533 (defface gnus-summary-low-ancient-face
536 (:foreground "SkyBlue" :italic t))
539 (:foreground "RoyalBlue" :italic t))
542 "Face used for low interest ancient articles.")
544 (defface gnus-summary-normal-ancient-face
547 (:foreground "SkyBlue"))
550 (:foreground "RoyalBlue"))
553 "Face used for normal interest ancient articles.")
555 (defface gnus-summary-high-unread-face
558 "Face used for high interest unread articles.")
560 (defface gnus-summary-low-unread-face
563 "Face used for low interest unread articles.")
565 (defface gnus-summary-normal-unread-face
568 "Face used for normal interest unread articles.")
570 (defface gnus-summary-high-read-face
573 (:foreground "PaleGreen"
577 (:foreground "DarkGreen"
581 "Face used for high interest read articles.")
583 (defface gnus-summary-low-read-face
586 (:foreground "PaleGreen"
590 (:foreground "DarkGreen"
594 "Face used for low interest read articles.")
596 (defface gnus-summary-normal-read-face
599 (:foreground "PaleGreen"))
602 (:foreground "DarkGreen"))
605 "Face used for normal interest read articles.")
612 (defvar gnus-buffers nil)
614 (defun gnus-get-buffer-create (name)
615 "Do the same as `get-buffer-create', but store the created buffer."
616 (or (get-buffer name)
617 (car (push (get-buffer-create name) gnus-buffers))))
619 (defun gnus-add-buffer ()
620 "Add the current buffer to the list of Gnus buffers."
621 (push (current-buffer) gnus-buffers))
623 (defun gnus-buffers ()
624 "Return a list of live Gnus buffers."
625 (while (and gnus-buffers
626 (not (buffer-name (car gnus-buffers))))
628 (let ((buffers gnus-buffers))
630 (if (buffer-name (cadr buffers))
632 (setcdr buffers (cddr buffers)))))
637 (defvar gnus-group-buffer "*Group*")
640 (autoload 'gnus-play-jingle "gnus-audio"))
642 (defface gnus-splash-face
645 (:foreground "ForestGreen"))
648 (:foreground "ForestGreen"))
651 "Level 1 newsgroup face.")
653 (defun gnus-splash ()
655 (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
656 (let ((buffer-read-only nil))
658 (unless gnus-inhibit-startup-message
659 (gnus-group-startup-message)
661 (when gnus-play-startup-jingle
662 (gnus-play-jingle))))))
664 (defun gnus-indent-rigidly (start end arg)
665 "Indent rigidly using only spaces and no tabs."
668 (narrow-to-region start end)
670 (indent-rigidly start end arg)
671 ;; We translate tabs into spaces -- not everybody uses
672 ;; an 8-character tab.
673 (goto-char (point-min))
674 (while (search-forward "\t" nil t)
675 (replace-match " " t t))))))
677 (defvar gnus-simple-splash nil)
679 (defun gnus-group-startup-message (&optional x y)
680 "Insert startup message in current buffer."
681 ;; Insert the message.
686 _ ___ __ ___ __ _ ___
706 (gnus-indent-rigidly (point-min) (point-max)
707 (/ (max (- (window-width) (or x 46)) 0) 2))
708 (goto-char (point-min))
710 (let* ((pheight (count-lines (point-min) (point-max)))
711 (wheight (window-height))
712 (rest (- wheight pheight)))
713 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
715 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
716 (goto-char (point-min))
717 (setq mode-line-buffer-identification (concat " " gnus-version))
718 (setq gnus-simple-splash t)
719 (set-buffer-modified-p t))
722 (let ((command (format "%s" this-command)))
723 (if (and (string-match "gnus" command)
724 (not (string-match "gnus-other-frame" command)))
726 (gnus-get-buffer-create gnus-group-buffer))))
734 (defcustom gnus-home-directory "~/"
735 "Directory variable that specifies the \"home\" directory.
736 All other Gnus path variables are initialized from this variable."
740 (defcustom gnus-directory (or (getenv "SAVEDIR")
741 (nnheader-concat gnus-home-directory "News/"))
742 "*Directory variable from which all other Gnus file variables are derived.
744 Note that Gnus is mostly loaded when the `.gnus.el' file is read.
745 This means that other directory variables that are initialized from
746 this variable won't be set properly if you set this variable in `.gnus.el'.
747 Set this variable in `.emacs' instead."
751 (defcustom gnus-default-directory nil
752 "*Default directory for all Gnus buffers."
754 :type '(choice (const :tag "current" nil)
757 ;; Site dependent variables. These variables should be defined in
760 (defvar gnus-default-nntp-server nil
761 "Specify a default NNTP server.
762 This variable should be defined in paths.el, and should never be set
764 If you want to change servers, you should use `gnus-select-method'.
765 See the documentation to that variable.")
767 ;; Don't touch this variable.
768 (defvar gnus-nntp-service "nntp"
769 "NNTP service name (\"nntp\" or 119).
770 This is an obsolete variable, which is scarcely used. If you use an
771 nntp server for your newsgroup and want to change the port number
772 used to 899, you would say something along these lines:
774 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
776 (defcustom gnus-nntpserver-file "/etc/nntpserver"
777 "A file with only the name of the nntp server in it."
782 ;; This function is used to check both the environment variable
783 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
784 ;; an nntp server name default.
785 (defun gnus-getenv-nntpserver ()
786 (or (getenv "NNTPSERVER")
787 (and (file-readable-p gnus-nntpserver-file)
789 (set-buffer (gnus-get-buffer-create " *gnus nntp*"))
790 (buffer-disable-undo (current-buffer))
791 (insert-file-contents gnus-nntpserver-file)
792 (let ((name (buffer-string)))
794 (if (string-match "^[ \t\n]*$" name)
797 (kill-buffer (current-buffer))))))))
799 (defcustom gnus-select-method
802 (list 'nntp (or (condition-case nil
803 (gnus-getenv-nntpserver)
805 (when (and gnus-default-nntp-server
806 (not (string= gnus-default-nntp-server "")))
807 gnus-default-nntp-server)
809 (if (or (null gnus-nntp-service)
810 (equal gnus-nntp-service "nntp"))
812 (list gnus-nntp-service)))
814 "*Default method for selecting a newsgroup.
815 This variable should be a list, where the first element is how the
816 news is to be fetched, the second is the address.
818 For instance, if you want to get your news via NNTP from
819 \"flab.flab.edu\", you could say:
821 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
823 If you want to use your local spool, say:
825 \(setq gnus-select-method (list 'nnspool (system-name)))
827 If you use this variable, you must set `gnus-nntp-server' to nil.
829 There is a lot more to know about select methods and virtual servers -
830 see the manual for details."
832 :type 'gnus-select-method)
834 (defcustom gnus-message-archive-method
837 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
838 (nnfolder-active-file
839 ,(nnheader-concat message-directory "archive/active"))
840 (nnfolder-get-new-mail nil)
841 (nnfolder-inhibit-expiry t))
842 "*Method used for archiving messages you've sent.
843 This should be a mail method.
845 It's probably not a very effective to change this variable once you've
846 run Gnus once. After doing that, you must edit this server from the
850 :type 'gnus-select-method)
852 (defcustom gnus-message-archive-group nil
853 "*Name of the group in which to save the messages you've written.
854 This can either be a string; a list of strings; or an alist
855 of regexps/functions/forms to be evaluated to return a string (or a list
856 of strings). The functions are called with the name of the current
857 group (or nil) as a parameter.
859 If you want to save your mail in one group and the news articles you
860 write in another group, you could say something like:
862 \(setq gnus-message-archive-group
863 '((if (message-news-p)
867 Normally the group names returned by this variable should be
868 unprefixed -- which implicitly means \"store on the archive server\".
869 However, you may wish to store the message on some other server. In
870 that case, just return a fully prefixed name of the group --
871 \"nnml+private:mail.misc\", for instance."
873 :type '(choice (const :tag "none" nil)
876 (defcustom gnus-secondary-servers nil
877 "List of NNTP servers that the user can choose between interactively.
878 To make Gnus query you for a server, you have to give `gnus' a
879 non-numeric prefix - `C-u M-x gnus', in short."
881 :type '(repeat string))
883 (defcustom gnus-nntp-server nil
884 "*The name of the host running the NNTP server.
885 This variable is semi-obsolete. Use the `gnus-select-method'
888 :type '(choice (const :tag "disable" nil)
891 (defcustom gnus-secondary-select-methods nil
892 "A list of secondary methods that will be used for reading news.
893 This is a list where each element is a complete select method (see
894 `gnus-select-method').
896 If, for instance, you want to read your mail with the nnml backend,
897 you could set this variable:
899 \(setq gnus-secondary-select-methods '((nnml \"\")))"
901 :type '(repeat gnus-select-method))
903 (defvar gnus-backup-default-subscribed-newsgroups
904 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
905 "Default default new newsgroups the first time Gnus is run.
906 Should be set in paths.el, and shouldn't be touched by the user.")
908 (defcustom gnus-local-domain nil
909 "Local domain name without a host name.
910 The DOMAINNAME environment variable is used instead if it is defined.
911 If the `system-name' function returns the full Internet name, there is
912 no need to set this variable."
914 :type '(choice (const :tag "default" nil)
917 (defvar gnus-local-organization nil
918 "String with a description of what organization (if any) the user belongs to.
919 Obsolete variable; use `message-user-organization' instead.")
921 ;; Customization variables
923 (defcustom gnus-refer-article-method nil
924 "Preferred method for fetching an article by Message-ID.
925 If you are reading news from the local spool (with nnspool), fetching
926 articles by Message-ID is painfully slow. By setting this method to an
927 nntp method, you might get acceptable results.
929 The value of this variable must be a valid select method as discussed
930 in the documentation of `gnus-select-method'."
932 :type '(choice (const :tag "default" nil)
935 (defcustom gnus-group-faq-directory
936 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
937 "/ftp@sunsite.auc.dk:/pub/usenet/"
938 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
939 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
940 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
941 "/ftp@rtfm.mit.edu:/pub/usenet/"
942 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
943 "/ftp@ftp.sunet.se:/pub/usenet/"
944 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
945 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
946 "/ftp@ftp.hk.super.net:/mirror/faqs/")
947 "*Directory where the group FAQs are stored.
948 This will most commonly be on a remote machine, and the file will be
951 This variable can also be a list of directories. In that case, the
952 first element in the list will be used by default. The others can
953 be used when being prompted for a site.
955 Note that Gnus uses an aol machine as the default directory. If this
956 feels fundamentally unclean, just think of it as a way to finally get
957 something of value back from them.
959 If the default site is too slow, try one of these:
961 North America: mirrors.aol.com /pub/rtfm/usenet
962 ftp.seas.gwu.edu /pub/rtfm
963 rtfm.mit.edu /pub/usenet
964 Europe: ftp.uni-paderborn.de /pub/FAQ
965 src.doc.ic.ac.uk /usenet/news-FAQS
966 ftp.sunet.se /pub/usenet
967 sunsite.auc.dk /pub/usenet
968 Asia: nctuccca.edu.tw /USENET/FAQ
969 hwarang.postech.ac.kr /pub/usenet
970 ftp.hk.super.net /mirror/faqs"
971 :group 'gnus-group-various
972 :type '(choice directory
975 (defcustom gnus-use-cross-reference t
976 "*Non-nil means that cross referenced articles will be marked as read.
977 If nil, ignore cross references. If t, mark articles as read in
978 subscribed newsgroups. If neither t nor nil, mark as read in all
981 :type '(choice (const :tag "off" nil)
982 (const :tag "subscribed" t)
986 (defcustom gnus-process-mark ?#
988 :group 'gnus-group-visual
989 :group 'gnus-summary-marks
992 (defcustom gnus-asynchronous nil
993 "*If non-nil, Gnus will supply backends with data needed for async article fetching."
994 :group 'gnus-asynchronous
997 (defcustom gnus-large-newsgroup 200
998 "*The number of articles which indicates a large newsgroup.
999 If the number of articles in a newsgroup is greater than this value,
1000 confirmation is required for selecting the newsgroup."
1001 :group 'gnus-group-select
1004 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
1005 "*Non-nil means that the default name of a file to save articles in is the group name.
1006 If it's nil, the directory form of the group name is used instead.
1008 If this variable is a list, and the list contains the element
1009 `not-score', long file names will not be used for score files; if it
1010 contains the element `not-save', long file names will not be used for
1011 saving; and if it contains the element `not-kill', long file names
1012 will not be used for kill files.
1014 Note that the default for this variable varies according to what system
1015 type you're using. On `usg-unix-v' and `xenix' this variable defaults
1016 to nil while on all other systems it defaults to t."
1020 (defcustom gnus-kill-files-directory gnus-directory
1021 "*Name of the directory where kill files will be stored (default \"~/News\")."
1022 :group 'gnus-score-files
1023 :group 'gnus-score-kill
1026 (defcustom gnus-save-score nil
1027 "*If non-nil, save group scoring info."
1028 :group 'gnus-score-various
1032 (defcustom gnus-use-undo t
1033 "*If non-nil, allow undoing in Gnus group mode buffers."
1037 (defcustom gnus-use-adaptive-scoring nil
1038 "*If non-nil, use some adaptive scoring scheme.
1039 If a list, then the values `word' and `line' are meaningful. The
1040 former will perform adaption on individual words in the subject
1041 header while `line' will perform adaption on several headers."
1043 :group 'gnus-score-adapt
1044 :type '(set (const word) (const line)))
1046 (defcustom gnus-use-cache 'passive
1047 "*If nil, Gnus will ignore the article cache.
1048 If `passive', it will allow entering (and reading) articles
1049 explicitly entered into the cache. If anything else, use the
1050 cache to the full extent of the law."
1053 :type '(choice (const :tag "off" nil)
1054 (const :tag "passive" passive)
1055 (const :tag "active" t)))
1057 (defcustom gnus-use-trees nil
1058 "*If non-nil, display a thread tree buffer."
1062 (defcustom gnus-use-grouplens nil
1063 "*If non-nil, use GroupLens ratings."
1067 (defcustom gnus-keep-backlog nil
1068 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1069 If it is a number N, then Gnus will only keep the last N articles
1070 read. If it is neither nil nor a number, Gnus will keep all read
1071 articles. This is not a good idea."
1073 :type '(choice (const :tag "off" nil)
1078 (defcustom gnus-use-nocem nil
1079 "*If non-nil, Gnus will read NoCeM cancel messages."
1083 (defcustom gnus-suppress-duplicates nil
1084 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1088 (defcustom gnus-use-demon nil
1089 "If non-nil, Gnus might use some demons."
1093 (defcustom gnus-use-scoring t
1094 "*If non-nil, enable scoring."
1098 (defcustom gnus-use-picons nil
1099 "*If non-nil, display picons."
1103 (defcustom gnus-summary-prepare-exit-hook
1104 '(gnus-summary-expire-articles)
1105 "*A hook called when preparing to exit from the summary buffer.
1106 It calls `gnus-summary-expire-articles' by default."
1107 :group 'gnus-summary-exit
1110 (defcustom gnus-novice-user t
1111 "*Non-nil means that you are a usenet novice.
1112 If non-nil, verbose messages may be displayed and confirmations may be
1117 (defcustom gnus-expert-user nil
1118 "*Non-nil means that you will never be asked for confirmation about anything.
1119 That doesn't mean *anything* anything; particularly destructive
1120 commands will still require prompting."
1124 (defcustom gnus-interactive-catchup t
1125 "*If non-nil, require your confirmation when catching up a group."
1126 :group 'gnus-group-select
1129 (defcustom gnus-interactive-exit t
1130 "*If non-nil, require your confirmation when exiting Gnus."
1134 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1135 "*Function for extracting address components from a From header.
1137 `gnus-extract-address-components' is a quite fast, and too simplistic.
1138 `mail-extract-address-components' works much better, but is slower.
1139 `std11-extract-address-components' also works better, and less slower."
1140 :group 'gnus-summary-format
1141 :type '(radio (function-item gnus-extract-address-components)
1142 (function-item mail-extract-address-components)
1143 (function-item std11-extract-address-components)
1144 (function :tag "Other")))
1146 (defcustom gnus-carpal nil
1147 "*If non-nil, display clickable icons."
1151 (defcustom gnus-shell-command-separator ";"
1152 "String used to separate to shell commands."
1156 (defcustom gnus-valid-select-methods
1157 '(("nntp" post address prompt-address physical-address)
1158 ("nnspool" post address)
1159 ("nnvirtual" post-mail virtual prompt-address)
1160 ("nnmbox" mail respool address)
1161 ("nnml" mail respool address)
1162 ("nnmh" mail respool address)
1163 ("nndir" post-mail prompt-address physical-address)
1164 ("nneething" none address prompt-address physical-address)
1165 ("nndoc" none address prompt-address)
1166 ("nnbabyl" mail address respool)
1167 ("nnkiboze" post virtual)
1168 ("nnsoup" post-mail address)
1169 ("nndraft" post-mail)
1170 ("nnfolder" mail respool address)
1171 ("nngateway" post-mail address prompt-address physical-address)
1174 ("nnagent" post-mail))
1175 "*An alist of valid select methods.
1176 The first element of each list lists should be a string with the name
1177 of the select method. The other elements may be the category of
1178 this method (i. e., `post', `mail', `none' or whatever) or other
1179 properties that this method has (like being respoolable).
1180 If you implement a new select method, all you should have to change is
1181 this variable. I think."
1183 :type '(repeat (group (string :tag "Name")
1184 (radio-button-choice (const :format "%v " post)
1185 (const :format "%v " mail)
1186 (const :format "%v " none)
1188 (checklist :inline t
1189 (const :format "%v " address)
1190 (const :format "%v " prompt-address)
1191 (const :format "%v " physical-address)
1192 (const :format "%v " virtual)
1195 (define-widget 'gnus-select-method 'list
1196 "Widget for entering a select method."
1197 :args `((choice :tag "Method"
1198 ,@(mapcar (lambda (entry)
1199 (list 'const :format "%v\n"
1200 (intern (car entry))))
1201 gnus-valid-select-methods))
1202 (string :tag "Address")
1203 (editable-list :inline t
1206 (sexp :tag "Value")))))
1208 (defcustom gnus-updated-mode-lines '(group article summary tree)
1209 "List of buffers that should update their mode lines.
1210 The list may contain the symbols `group', `article', `tree' and
1211 `summary'. If the corresponding symbol is present, Gnus will keep
1212 that mode line updated with information that may be pertinent.
1213 If this variable is nil, screen refresh may be quicker."
1214 :group 'gnus-various
1215 :type '(set (const group)
1220 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1221 (defcustom gnus-mode-non-string-length nil
1222 "*Max length of mode-line non-string contents.
1223 If this is nil, Gnus will take space as is needed, leaving the rest
1224 of the modeline intact. Note that the default of nil is unlikely
1225 to be desirable; see the manual for further details."
1226 :group 'gnus-various
1227 :type '(choice (const nil)
1230 (defcustom gnus-auto-expirable-newsgroups nil
1231 "*Groups in which to automatically mark read articles as expirable.
1232 If non-nil, this should be a regexp that should match all groups in
1233 which to perform auto-expiry. This only makes sense for mail groups."
1234 :group 'nnmail-expire
1235 :type '(choice (const nil)
1238 (defcustom gnus-total-expirable-newsgroups nil
1239 "*Groups in which to perform expiry of all read articles.
1240 Use with extreme caution. All groups that match this regexp will be
1241 expiring - which means that all read articles will be deleted after
1242 \(say) one week. (This only goes for mail groups and the like, of
1244 :group 'nnmail-expire
1245 :type '(choice (const nil)
1248 (defcustom gnus-group-uncollapsed-levels 1
1249 "Number of group name elements to leave alone when making a short group name."
1250 :group 'gnus-group-visual
1253 (defcustom gnus-group-use-permanent-levels nil
1254 "*If non-nil, once you set a level, Gnus will use this level."
1255 :group 'gnus-group-levels
1260 (defcustom gnus-load-hook nil
1261 "A hook run while Gnus is loaded."
1265 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1266 "A hook called to apply kill files to a group.
1267 This hook is intended to apply a kill file to the selected newsgroup.
1268 The function `gnus-apply-kill-file' is called by default.
1270 Since a general kill file is too heavy to use only for a few
1271 newsgroups, I recommend you to use a lighter hook function. For
1272 example, if you'd like to apply a kill file to articles which contains
1273 a string `rmgroup' in subject in newsgroup `control', you can use the
1276 (setq gnus-apply-kill-hook
1279 (cond ((string-match \"control\" gnus-newsgroup-name)
1280 (gnus-kill \"Subject\" \"rmgroup\")
1281 (gnus-expunge \"X\"))))))"
1282 :group 'gnus-score-kill
1283 :options '(gnus-apply-kill-file)
1286 (defcustom gnus-group-change-level-function nil
1287 "Function run when a group level is changed.
1288 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1289 :group 'gnus-group-level
1294 (defcustom gnus-visual
1295 '(summary-highlight group-highlight article-highlight
1297 summary-menu group-menu article-menu
1298 tree-highlight menu highlight
1299 browse-menu server-menu
1300 page-marker tree-menu binary-menu pick-menu
1302 "*Enable visual features.
1303 If `visual' is disabled, there will be no menus and few faces. Most of
1304 the visual customization options below will be ignored. Gnus will use
1305 less space and be faster as a result.
1307 This variable can also be a list of visual elements to switch on. For
1308 instance, to switch off all visual things except menus, you can say:
1310 (setq gnus-visual '(menu))
1312 Valid elements include `summary-highlight', `group-highlight',
1313 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1314 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1315 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1316 and `grouplens-menu'."
1319 :type '(set (const summary-highlight)
1320 (const group-highlight)
1321 (const article-highlight)
1323 (const summary-menu)
1325 (const article-menu)
1326 (const tree-highlight)
1335 (const grouplens-menu)))
1337 (defcustom gnus-mouse-face
1339 (if (gnus-visual-p 'mouse-face 'highlight)
1340 (if (boundp 'gnus-mouse-face)
1341 (or gnus-mouse-face 'highlight)
1345 "*Face used for group or summary buffer mouse highlighting.
1346 The line beneath the mouse pointer will be highlighted with this
1351 (defcustom gnus-article-display-hook
1352 (if (and (string-match "XEmacs" emacs-version)
1354 '(gnus-article-hide-headers-if-wanted
1355 gnus-article-hide-boring-headers
1356 gnus-article-treat-overstrike
1357 gnus-article-maybe-highlight
1358 gnus-article-display-x-face)
1359 '(gnus-article-hide-headers-if-wanted
1360 gnus-article-hide-boring-headers
1361 gnus-article-treat-overstrike
1362 gnus-article-maybe-highlight))
1363 "*Controls how the article buffer will look.
1365 If you leave the list empty, the article will appear exactly as it is
1366 stored on the disk. The list entries will hide or highlight various
1367 parts of the article, making it easier to find the information you
1369 :group 'gnus-article-highlight
1372 :options '(gnus-article-add-buttons
1373 gnus-article-add-buttons-to-head
1374 gnus-article-emphasize
1375 gnus-article-fill-cited-article
1376 gnus-article-remove-cr
1377 gnus-summary-stop-page-breaking
1378 ;; gnus-summary-caesar-message
1379 ;; gnus-summary-verbose-headers
1380 gnus-summary-toggle-mime
1382 gnus-article-hide-headers
1383 gnus-article-hide-boring-headers
1384 gnus-article-hide-signature
1385 gnus-article-hide-citation
1386 gnus-article-hide-pgp
1387 gnus-article-hide-pem
1388 gnus-article-highlight
1389 gnus-article-highlight-headers
1390 gnus-article-highlight-citation
1391 gnus-article-highlight-signature
1392 gnus-article-date-ut
1393 gnus-article-date-local
1394 gnus-article-date-lapsed
1395 gnus-article-date-original
1396 gnus-article-remove-trailing-blank-lines
1397 gnus-article-strip-leading-blank-lines
1398 gnus-article-strip-multiple-blank-lines
1399 gnus-article-strip-blank-lines
1400 gnus-article-treat-overstrike
1401 gnus-article-display-x-face
1402 gnus-smiley-display))
1404 (defcustom gnus-article-save-directory gnus-directory
1405 "*Name of the directory articles will be saved in (default \"~/News\")."
1406 :group 'gnus-article-saving
1409 (defvar gnus-plugged t
1410 "Whether Gnus is plugged or not.")
1413 ;;; Internal variables
1415 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1416 (defvar gnus-original-article-buffer " *Original Article*")
1417 (defvar gnus-newsgroup-name nil)
1418 (defvar gnus-ephemeral-servers nil)
1420 (defvar gnus-agent nil
1421 "Whether we want to use the Gnus agent or not.")
1423 (defvar gnus-command-method nil
1424 "Dynamically bound variable that says what the current backend is.")
1426 (defvar gnus-current-select-method nil
1427 "The current method for selecting a newsgroup.")
1429 (defvar gnus-tree-buffer "*Tree*"
1430 "Buffer where Gnus thread trees are displayed.")
1433 (defvar gnus-use-generic-from nil)
1435 ;; Variable holding the user answers to all method prompts.
1436 (defvar gnus-method-history nil)
1438 ;; Variable holding the user answers to all mail method prompts.
1439 (defvar gnus-mail-method-history nil)
1441 ;; Variable holding the user answers to all group prompts.
1442 (defvar gnus-group-history nil)
1444 (defvar gnus-server-alist nil
1445 "List of available servers.")
1447 (defcustom gnus-cache-directory
1448 (nnheader-concat gnus-directory "cache/")
1449 "*The directory where cached articles will be stored."
1453 (defvar gnus-predefined-server-alist
1456 (nnspool-spool-directory ,gnus-cache-directory)
1457 (nnspool-nov-directory ,gnus-cache-directory)
1458 (nnspool-active-file
1459 ,(nnheader-concat gnus-cache-directory "active"))))
1460 "List of predefined (convenience) servers.")
1462 (defvar gnus-topic-indentation "") ;; Obsolete variable.
1464 (defconst gnus-article-mark-lists
1465 '((marked . tick) (replied . reply)
1466 (expirable . expire) (killed . killed)
1467 (bookmarks . bookmark) (dormant . dormant)
1468 (scored . score) (saved . save)
1469 (cached . cache) (downloadable . download)
1470 (unsendable . unsend)))
1472 (defvar gnus-headers-retrieved-by nil)
1473 (defvar gnus-article-reply nil)
1474 (defvar gnus-override-method nil)
1475 (defvar gnus-article-check-size nil)
1476 (defvar gnus-opened-servers nil)
1478 (defvar gnus-current-kill-article nil)
1480 (defvar gnus-have-read-active-file nil)
1482 (defconst gnus-maintainer
1483 "bugs@gnus.org (The Gnus Bugfixing Girls + Boys)"
1484 "The mail address of the Gnus maintainers.")
1486 (defvar gnus-info-nodes
1487 '((gnus-group-mode "(gnus)The Group Buffer")
1488 (gnus-summary-mode "(gnus)The Summary Buffer")
1489 (gnus-article-mode "(gnus)The Article Buffer")
1490 (mime/viewer-mode "(gnus)The Article Buffer")
1491 (gnus-server-mode "(gnus)The Server Buffer")
1492 (gnus-browse-mode "(gnus)Browse Foreign Server")
1493 (gnus-tree-mode "(gnus)Tree Display"))
1494 "Alist of major modes and related Info nodes.")
1496 (defvar gnus-group-buffer "*Group*")
1497 (defvar gnus-summary-buffer "*Summary*")
1498 (defvar gnus-article-buffer "*Article*")
1499 (defvar gnus-server-buffer "*Server*")
1501 (defvar gnus-slave nil
1502 "Whether this Gnus is a slave or not.")
1504 (defvar gnus-batch-mode nil
1505 "Whether this Gnus is running in batch mode or not.")
1507 (defvar gnus-variable-list
1508 '(gnus-newsrc-options gnus-newsrc-options-n
1509 gnus-newsrc-last-checked-date
1510 gnus-newsrc-alist gnus-server-alist
1511 gnus-killed-list gnus-zombie-list
1512 gnus-topic-topology gnus-topic-alist
1514 "Gnus variables saved in the quick startup file.")
1516 (defvar gnus-newsrc-alist nil
1517 "Assoc list of read articles.
1518 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1520 (defvar gnus-newsrc-hashtb nil
1521 "Hashtable of gnus-newsrc-alist.")
1523 (defvar gnus-killed-list nil
1524 "List of killed newsgroups.")
1526 (defvar gnus-killed-hashtb nil
1527 "Hash table equivalent of gnus-killed-list.")
1529 (defvar gnus-zombie-list nil
1530 "List of almost dead newsgroups.")
1532 (defvar gnus-description-hashtb nil
1533 "Descriptions of newsgroups.")
1535 (defvar gnus-list-of-killed-groups nil
1536 "List of newsgroups that have recently been killed by the user.")
1538 (defvar gnus-active-hashtb nil
1539 "Hashtable of active articles.")
1541 (defvar gnus-moderated-hashtb nil
1542 "Hashtable of moderated newsgroups.")
1544 ;; Save window configuration.
1545 (defvar gnus-prev-winconf nil)
1547 (defvar gnus-reffed-article-number nil)
1549 ;;; Let the byte-compiler know that we know about this variable.
1550 (defvar rmail-default-rmail-file)
1552 (defvar gnus-dead-summary nil)
1554 ;;; End of variables.
1556 ;; Define some autoload functions Gnus might use.
1559 ;; This little mapcar goes through the list below and marks the
1560 ;; symbols in question as autoloaded functions.
1563 (let ((interactive (nth 1 (memq ':interactive package))))
1567 (when (consp function)
1568 (setq keymap (car (memq 'keymap function)))
1569 (setq function (car function)))
1570 (autoload function (car package) nil interactive keymap)))
1571 (if (eq (nth 1 package) ':interactive)
1574 '(("info" Info-goto-node)
1575 ("hexl" hexl-hex-string-to-integer)
1576 ("pp" pp pp-to-string pp-eval-expression)
1577 ("ps-print" ps-print-preprint)
1578 ("mail-extr" mail-extract-address-components)
1579 ("browse-url" browse-url)
1580 ("message" :interactive t
1581 message-send-and-exit message-yank-original)
1582 ("nnmail" nnmail-split-fancy nnmail-article-group nnmail-date-to-time)
1583 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1584 ("timezone" timezone-make-date-arpa-standard timezone-fix-time
1585 timezone-make-sortable-date timezone-make-time-string)
1586 ("rmailout" rmail-output)
1587 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1589 ("gnus-audio" :interactive t gnus-audio-play)
1590 ("gnus-xmas" gnus-xmas-splash)
1591 ("gnus-soup" :interactive t
1592 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1593 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1594 ("nnsoup" nnsoup-pack-replies)
1595 ("score-mode" :interactive t gnus-score-mode)
1596 ("gnus-mh" gnus-summary-save-article-folder
1597 gnus-Folder-save-name gnus-folder-save-name)
1598 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1599 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1600 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1601 gnus-demon-add-disconnection gnus-demon-add-handler
1602 gnus-demon-remove-handler)
1603 ("gnus-demon" :interactive t
1604 gnus-demon-init gnus-demon-cancel)
1605 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1606 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1607 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1608 gnus-nocem-unwanted-article-p)
1609 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1610 gnus-server-server-name)
1611 ("gnus-srvr" gnus-browse-foreign-server)
1612 ("gnus-cite" :interactive t
1613 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1614 gnus-article-hide-citation gnus-article-fill-cited-article
1615 gnus-article-hide-citation-in-followups)
1616 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1617 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1618 gnus-execute gnus-expunge)
1619 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1620 gnus-cache-possibly-remove-articles gnus-cache-request-article
1621 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1622 gnus-cache-enter-remove-article gnus-cached-article-p
1623 gnus-cache-open gnus-cache-close gnus-cache-update-article)
1624 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1625 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1626 ("gnus-score" :interactive t
1627 gnus-summary-increase-score gnus-summary-set-score
1628 gnus-summary-raise-thread gnus-summary-raise-same-subject
1629 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1630 gnus-summary-lower-thread gnus-summary-lower-same-subject
1631 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1632 gnus-summary-current-score gnus-score-default
1633 gnus-score-flush-cache gnus-score-close
1634 gnus-possibly-score-headers gnus-score-followup-article
1635 gnus-score-followup-thread)
1637 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1638 gnus-current-score-file-nondirectory gnus-score-adaptive
1639 gnus-score-find-trace gnus-score-file-name)
1640 ("gnus-cus" :interactive t gnus-group-customize gnus-score-customize)
1641 ("gnus-topic" :interactive t gnus-topic-mode)
1642 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters)
1643 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1644 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1645 ("gnus-uu" :interactive t
1646 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1647 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1648 gnus-uu-mark-by-regexp gnus-uu-mark-all
1649 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1650 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1651 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1652 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1653 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1654 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1655 gnus-uu-decode-binhex-view gnus-uu-unmark-thread
1657 ("gnus-uu" gnus-uu-delete-work-dir gnus-quote-arg-for-sh-or-csh
1658 gnus-uu-unmark-thread)
1659 ("gnus-msg" (gnus-summary-send-map keymap)
1660 gnus-article-mail gnus-copy-article-buffer gnus-extended-version)
1661 ("gnus-msg" :interactive t
1662 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1663 gnus-summary-followup gnus-summary-followup-with-original
1664 gnus-summary-cancel-article gnus-summary-supersede-article
1665 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1666 gnus-summary-mail-forward gnus-summary-mail-other-window
1667 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1668 gnus-summary-wide-reply
1670 ("gnus-picon" :interactive t gnus-article-display-picons
1671 gnus-group-display-picons gnus-picons-article-display-x-face
1672 gnus-picons-display-x-face)
1673 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1674 gnus-grouplens-mode)
1675 ("smiley" :interactive t gnus-smiley-display)
1676 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1677 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1678 gnus-list-of-unread-articles gnus-list-of-read-articles
1679 gnus-offer-save-summaries gnus-make-thread-indent-array
1680 gnus-summary-exit gnus-update-read-articles gnus-summary-last-subject
1681 gnus-summary-skip-intangible gnus-summary-article-number
1682 gnus-data-header gnus-data-find)
1683 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1684 gnus-group-list-groups gnus-group-first-unread-group
1685 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1686 gnus-group-setup-buffer gnus-group-get-new-news
1687 gnus-group-make-help-group gnus-group-update-group
1688 gnus-clear-inboxes-moved gnus-group-iterate
1689 gnus-group-group-name)
1690 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1691 gnus-backlog-remove-article)
1692 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1693 gnus-article-prepare gnus-article-set-window-start
1694 gnus-article-next-page gnus-article-prev-page
1695 gnus-request-article-this-buffer gnus-article-mode
1696 gnus-article-setup-buffer gnus-narrow-to-page
1697 gnus-article-delete-invisible-text gnus-hack-decode-rfc1522)
1698 ("gnus-art" :interactive t
1699 gnus-article-hide-headers gnus-article-hide-boring-headers
1700 gnus-article-treat-overstrike gnus-article-word-wrap
1701 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1702 gnus-article-display-x-face
1703 gnus-article-mime-decode-quoted-printable gnus-article-hide-pgp
1704 gnus-article-hide-pem gnus-article-hide-signature
1705 gnus-article-strip-leading-blank-lines gnus-article-date-local
1706 gnus-article-date-original gnus-article-date-lapsed
1707 gnus-article-show-all-headers
1708 gnus-article-edit-mode gnus-article-edit-article
1709 gnus-article-edit-done gnus-decode-rfc1522 article-decode-rfc1522
1710 gnus-start-date-timer gnus-stop-date-timer)
1711 ("gnus-int" gnus-request-type)
1712 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1713 gnus-dribble-enter gnus-read-init-file gnus-dribble-touch)
1714 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1715 gnus-dup-enter-articles)
1716 ("gnus-range" gnus-copy-sequence)
1717 ("gnus-eform" gnus-edit-form)
1718 ("gnus-move" :interactive t
1719 gnus-group-move-group-to-server gnus-change-server)
1720 ("gnus-logic" gnus-score-advanced)
1721 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1722 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1723 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1724 gnus-async-halt-prefetch)
1725 ("gnus-agent" gnus-open-agent gnus-agent-get-function
1726 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
1727 gnus-agent-get-undownloaded-list gnus-agent-fetch-session
1728 gnus-summary-set-agent-mark gnus-agent-save-group-info)
1729 ("gnus-agent" :interactive t
1730 gnus-unplugged gnus-agentize gnus-agent-batch)
1731 ("gnus-vm" :interactive t gnus-summary-save-in-vm
1732 gnus-summary-save-article-vm)
1733 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-drafts))))
1735 ;;; gnus-sum.el thingies
1738 (defcustom gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
1739 "*The format specification of the lines in the summary buffer.
1741 It works along the same lines as a normal formatting string,
1742 with some simple extensions.
1744 %N Article number, left padded with spaces (string)
1746 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1747 %n Name of the poster (string)
1748 %a Extracted name of the poster (string)
1749 %A Extracted address of the poster (string)
1750 %F Contents of the From: header (string)
1751 %x Contents of the Xref: header (string)
1752 %D Date of the article (string)
1753 %d Date of the article (string) in DD-MMM format
1754 %M Message-id of the article (string)
1755 %r References of the article (string)
1756 %c Number of characters in the article (integer)
1757 %L Number of lines in the article (integer)
1758 %I Indentation based on thread level (a string of spaces)
1759 %T A string with two possible values: 80 spaces if the article
1760 is on thread level two or larger and 0 spaces on level one
1761 %R \"A\" if this article has been replied to, \" \" otherwise (character)
1762 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
1763 %[ Opening bracket (character, \"[\" or \"<\")
1764 %] Closing bracket (character, \"]\" or \">\")
1765 %> Spaces of length thread-level (string)
1766 %< Spaces of length (- 20 thread-level) (string)
1767 %i Article score (number)
1768 %z Article zcore (character)
1769 %t Number of articles under the current thread (number).
1770 %e Whether the thread is empty or not (character).
1771 %l GroupLens score (string).
1772 %V Total thread score (number).
1773 %P The line number (number).
1774 %O Download mark (character).
1775 %u User defined specifier. The next character in the format string should
1776 be a letter. Gnus will call the function gnus-user-format-function-X,
1777 where X is the letter following %u. The function will be passed the
1778 current header as argument. The function should return a string, which
1779 will be inserted into the summary just like information from any other
1782 Text between %( and %) will be highlighted with `gnus-mouse-face'
1783 when the mouse point is placed inside the area. There can only be one
1786 The %U (status), %R (replied) and %z (zcore) specs have to be handled
1787 with care. For reasons of efficiency, Gnus will compute what column
1788 these characters will end up in, and \"hard-code\" that. This means that
1789 it is illegal to have these specs after a variable-length spec. Well,
1790 you might not be arrested, but your summary buffer will look strange,
1791 which is bad enough.
1793 The smart choice is to have these specs as for to the left as
1796 This restriction may disappear in later versions of Gnus."
1798 :group 'gnus-summary-format)
1801 ;;; Skeleton keymaps
1804 (defun gnus-suppress-keymap (keymap)
1805 (suppress-keymap keymap)
1806 (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
1808 (define-key keymap (pop keys) 'undefined))))
1810 (defvar gnus-article-mode-map
1811 (let ((keymap (make-keymap)))
1812 (gnus-suppress-keymap keymap)
1814 (defvar gnus-summary-mode-map
1815 (let ((keymap (make-keymap)))
1816 (gnus-suppress-keymap keymap)
1818 (defvar gnus-group-mode-map
1819 (let ((keymap (make-keymap)))
1820 (gnus-suppress-keymap keymap)
1825 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
1826 ;; If you want the cursor to go somewhere else, set these two
1827 ;; functions in some startup hook to whatever you want.
1828 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
1829 (defalias 'gnus-group-position-point 'gnus-goto-colon)
1831 ;;; Various macros and substs.
1833 (defun gnus-header-from (header)
1834 (mail-header-from header))
1836 (defmacro gnus-gethash (string hashtable)
1837 "Get hash value of STRING in HASHTABLE."
1838 `(symbol-value (intern-soft ,string ,hashtable)))
1840 (defmacro gnus-sethash (string value hashtable)
1841 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
1842 `(set (intern ,string ,hashtable) ,value))
1843 (put 'gnus-sethash 'edebug-form-spec '(form form form))
1845 (defmacro gnus-group-unread (group)
1846 "Get the currently computed number of unread articles in GROUP."
1847 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
1849 (defmacro gnus-group-entry (group)
1850 "Get the newsrc entry for GROUP."
1851 `(gnus-gethash ,group gnus-newsrc-hashtb))
1853 (defmacro gnus-active (group)
1854 "Get active info on GROUP."
1855 `(gnus-gethash ,group gnus-active-hashtb))
1857 (defmacro gnus-set-active (group active)
1858 "Set GROUP's active info."
1859 `(gnus-sethash ,group ,active gnus-active-hashtb))
1861 ;; Info access macros.
1863 (defmacro gnus-info-group (info)
1865 (defmacro gnus-info-rank (info)
1867 (defmacro gnus-info-read (info)
1869 (defmacro gnus-info-marks (info)
1871 (defmacro gnus-info-method (info)
1873 (defmacro gnus-info-params (info)
1876 (defmacro gnus-info-level (info)
1877 `(let ((rank (gnus-info-rank ,info)))
1881 (defmacro gnus-info-score (info)
1882 `(let ((rank (gnus-info-rank ,info)))
1883 (or (and (consp rank) (cdr rank)) 0)))
1885 (defmacro gnus-info-set-group (info group)
1886 `(setcar ,info ,group))
1887 (defmacro gnus-info-set-rank (info rank)
1888 `(setcar (nthcdr 1 ,info) ,rank))
1889 (defmacro gnus-info-set-read (info read)
1890 `(setcar (nthcdr 2 ,info) ,read))
1891 (defmacro gnus-info-set-marks (info marks &optional extend)
1893 `(gnus-info-set-entry ,info ,marks 3)
1894 `(setcar (nthcdr 3 ,info) ,marks)))
1895 (defmacro gnus-info-set-method (info method &optional extend)
1897 `(gnus-info-set-entry ,info ,method 4)
1898 `(setcar (nthcdr 4 ,info) ,method)))
1899 (defmacro gnus-info-set-params (info params &optional extend)
1901 `(gnus-info-set-entry ,info ,params 5)
1902 `(setcar (nthcdr 5 ,info) ,params)))
1904 (defun gnus-info-set-entry (info entry number)
1905 ;; Extend the info until we have enough elements.
1906 (while (<= (length info) number)
1907 (nconc info (list nil)))
1909 (setcar (nthcdr number info) entry))
1911 (defmacro gnus-info-set-level (info level)
1912 `(let ((rank (cdr ,info)))
1913 (if (consp (car rank))
1914 (setcar (car rank) ,level)
1915 (setcar rank ,level))))
1916 (defmacro gnus-info-set-score (info score)
1917 `(let ((rank (cdr ,info)))
1918 (if (consp (car rank))
1919 (setcdr (car rank) ,score)
1920 (setcar rank (cons (car rank) ,score)))))
1922 (defmacro gnus-get-info (group)
1923 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
1925 ;; Byte-compiler warning.
1926 (defvar gnus-visual)
1927 ;; Find out whether the gnus-visual TYPE is wanted.
1928 (defun gnus-visual-p (&optional type class)
1929 (and gnus-visual ; Has to be non-nil, at least.
1930 (if (not type) ; We don't care about type.
1932 (if (listp gnus-visual) ; It's a list, so we check it.
1933 (or (memq type gnus-visual)
1934 (memq class gnus-visual))
1937 ;;; Load the compatability functions.
1946 (defvar gnus-shutdown-alist nil)
1948 (defun gnus-add-shutdown (function &rest symbols)
1949 "Run FUNCTION whenever one of SYMBOLS is shut down."
1950 (push (cons function symbols) gnus-shutdown-alist))
1952 (defun gnus-shutdown (symbol)
1953 "Shut down everything that waits for SYMBOL."
1954 (let ((alist gnus-shutdown-alist)
1956 (while (setq entry (pop alist))
1957 (when (memq symbol (cdr entry))
1958 (funcall (car entry))))))
1962 ;;; Gnus Utility Functions
1966 (defmacro gnus-string-or (&rest strings)
1967 "Return the first element of STRINGS that is a non-blank string.
1968 STRINGS will be evaluated in normal `or' order."
1969 `(gnus-string-or-1 ',strings))
1971 (defun gnus-string-or-1 (strings)
1974 (setq string (eval (pop strings)))
1975 (if (string-match "^[ \t]*$" string)
1977 (setq strings nil)))
1980 (defun gnus-version (&optional arg)
1981 "Version number of this version of Gnus.
1982 If ARG, insert string at point."
1985 (insert (message gnus-version))
1986 (message gnus-version)))
1988 (defun gnus-continuum-version (version)
1989 "Return VERSION as a floating point number."
1990 (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version)
1991 (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version))
1992 (let ((alpha (and (match-beginning 1) (match-string 1 version)))
1993 (number (match-string 2 version))
1995 (unless (string-match
1996 "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number)
1997 (error "Invalid version string: %s" version))
1998 (setq major (string-to-number (match-string 1 number))
1999 minor (string-to-number (match-string 2 number))
2000 least (if (match-beginning 3)
2001 (string-to-number (match-string 3 number))
2005 (format "%s00%02d%02d"
2007 ((member alpha '("(ding)" "d")) "4.99")
2008 ((member alpha '("September" "s")) "5.01")
2009 ((member alpha '("Red" "r")) "5.03")
2010 ((member alpha '("Quassia" "q")) "5.05")
2011 ((member alpha '("p")) "5.07")
2012 ((member alpha '("o")) "5.09")
2013 ((member alpha '("n")) "5.11"))
2015 (format "%d.%02d%02d" major minor least))))))
2017 (defun gnus-info-find-node ()
2018 "Find Info documentation of Gnus."
2020 ;; Enlarge info window if needed.
2021 (let (gnus-info-buffer)
2022 (Info-goto-node (cadr (assq major-mode gnus-info-nodes)))
2023 (setq gnus-info-buffer (current-buffer))
2024 (gnus-configure-windows 'info)))
2027 ;;; gnus-interactive
2030 (defvar gnus-current-prefix-symbol nil
2031 "Current prefix symbol.")
2033 (defvar gnus-current-prefix-symbols nil
2034 "List of current prefix symbols.")
2036 (defun gnus-interactive (string &optional params)
2037 "Return a list that can be fed to `interactive'.
2038 See `interactive' for full documentation.
2040 Adds the following specs:
2042 y -- The current symbolic prefix.
2043 Y -- A list of the current symbolic prefix(es).
2044 A -- Article number.
2045 H -- Article header.
2049 (while (< i (length string))
2050 (string-match ".\\([^\n]*\\)\n?" string i)
2051 (setq c (aref string i))
2053 (setq prompt (match-string 1 string)))
2054 (setq i (match-end 0))
2055 ;; We basically emulate just about everything that
2056 ;; `interactive' does, but add the specs listed above.
2060 (completing-read prompt obarray 'fboundp t))
2062 (read-buffer prompt (current-buffer) t))
2064 (read-buffer prompt (other-buffer (current-buffer))))
2068 (completing-read prompt obarray 'commandp t))
2072 (read-file-name prompt nil default-directory 'lambda))
2074 (read-file-name prompt nil nil 'lambda))
2076 (read-file-name prompt))
2078 (read-key-sequence prompt))
2080 (error "Not implemented spec"))
2082 (error "Not implemented spec"))
2086 (error "Not implemented spec"))
2088 (string-to-number (read-from-minibuffer prompt)))
2090 (prefix-numeric-value current-prefix-arg))
2096 (read-string prompt))
2098 (intern (read-string prompt)))
2100 (read-variable prompt))
2102 (read-minibuffer prompt))
2104 (eval-minibuffer prompt))
2105 ;; And here the new specs come.
2107 gnus-current-prefix-symbol)
2109 gnus-current-prefix-symbols)
2111 (gnus-group-group-name))
2113 (gnus-summary-skip-intangible)
2114 (or (get-text-property (point) 'gnus-number)
2115 (gnus-summary-last-subject)))
2117 (gnus-data-header (gnus-data-find (gnus-summary-article-number))))
2119 (error "Non-implemented spec")))
2123 (push (if (< (point) (mark) (point) (mark))) out)
2124 (push (if (> (point) (mark) (point) (mark))) out))))
2125 (setq out (delq 'gnus-prefix-nil out))
2128 (defun gnus-symbolic-argument (&optional arg)
2129 "Read a symbolic argument and a command, and then execute command."
2131 (let* ((in-command (this-command-keys))
2132 (command in-command)
2133 gnus-current-prefix-symbols
2134 gnus-current-prefix-symbol
2136 (while (equal in-command command)
2137 (message "%s-" (key-description (this-command-keys)))
2138 (push (intern (char-to-string (read-char))) syms)
2139 (setq command (read-key-sequence nil t)))
2140 (setq gnus-current-prefix-symbols (nreverse syms)
2141 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2142 (call-interactively (key-binding command t))))
2144 ;;; More various functions.
2146 (defsubst gnus-check-backend-function (func group)
2147 "Check whether GROUP supports function FUNC.
2148 GROUP can either be a string (a group name) or a select method."
2150 (let ((method (if (stringp group)
2151 (car (gnus-find-method-for-group group))
2153 (unless (featurep method)
2155 (fboundp (intern (format "%s-%s" method func))))))
2157 (defun gnus-group-read-only-p (&optional group)
2158 "Check whether GROUP supports editing or not.
2159 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2160 that that variable is buffer-local to the summary buffers."
2161 (let ((group (or group gnus-newsgroup-name)))
2162 (not (gnus-check-backend-function 'request-replace-article group))))
2164 (defun gnus-group-total-expirable-p (group)
2165 "Check whether GROUP is total-expirable or not."
2166 (let ((params (gnus-group-find-parameter group))
2169 ((memq 'total-expire params)
2171 ((setq val (assq 'total-expire params)) ; (auto-expire . t)
2173 (gnus-total-expirable-newsgroups ; Check var.
2174 (string-match gnus-total-expirable-newsgroups group)))))
2176 (defun gnus-group-auto-expirable-p (group)
2177 "Check whether GROUP is auto-expirable or not."
2178 (let ((params (gnus-group-find-parameter group))
2181 ((memq 'auto-expire params)
2183 ((setq val (assq 'auto-expire params)) ; (auto-expire . t)
2185 (gnus-auto-expirable-newsgroups ; Check var.
2186 (string-match gnus-auto-expirable-newsgroups group)))))
2188 (defun gnus-virtual-group-p (group)
2189 "Say whether GROUP is virtual or not."
2190 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2191 gnus-valid-select-methods)))
2193 (defun gnus-news-group-p (group &optional article)
2194 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2195 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
2196 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
2197 (eq (gnus-request-type group article) 'news))))
2199 ;; Returns a list of writable groups.
2200 (defun gnus-writable-groups ()
2201 (let ((alist gnus-newsrc-alist)
2203 (while (setq group (car (pop alist)))
2204 (unless (gnus-group-read-only-p group)
2205 (push group groups)))
2208 ;; Check whether to use long file names.
2209 (defun gnus-use-long-file-name (symbol)
2210 ;; The variable has to be set...
2211 (and gnus-use-long-file-name
2212 ;; If it isn't a list, then we return t.
2213 (or (not (listp gnus-use-long-file-name))
2214 ;; If it is a list, and the list contains `symbol', we
2216 (not (memq symbol gnus-use-long-file-name)))))
2218 ;; Generate a unique new group name.
2219 (defun gnus-generate-new-group-name (leaf)
2222 (while (gnus-gethash name gnus-newsrc-hashtb)
2223 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2226 (defun gnus-ephemeral-group-p (group)
2227 "Say whether GROUP is ephemeral or not."
2228 (gnus-group-get-parameter group 'quit-config t))
2230 (defun gnus-group-quit-config (group)
2231 "Return the quit-config of GROUP."
2232 (gnus-group-get-parameter group 'quit-config t))
2234 (defun gnus-kill-ephemeral-group (group)
2235 "Remove ephemeral GROUP from relevant structures."
2236 (gnus-sethash group nil gnus-newsrc-hashtb))
2238 (defun gnus-simplify-mode-line ()
2239 "Make mode lines a bit simpler."
2240 (setq mode-line-modified (cdr gnus-mode-line-modified))
2241 (when (listp mode-line-format)
2242 (make-local-variable 'mode-line-format)
2243 (setq mode-line-format (copy-sequence mode-line-format))
2244 (when (equal (nth 3 mode-line-format) " ")
2245 (setcar (nthcdr 3 mode-line-format) " "))))
2247 ;;; Servers and groups.
2249 (defsubst gnus-server-add-address (method)
2250 (let ((method-name (symbol-name (car method))))
2251 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2252 (not (assq (intern (concat method-name "-address")) method))
2253 (memq 'physical-address (assq (car method)
2254 gnus-valid-select-methods)))
2255 (append method (list (list (intern (concat method-name "-address"))
2259 (defsubst gnus-server-get-method (group method)
2260 ;; Input either a server name, and extended server name, or a
2261 ;; select method, and return a select method.
2262 (cond ((stringp method)
2263 (gnus-server-to-method method))
2264 ((equal method gnus-select-method)
2266 ((and (stringp (car method))
2268 (gnus-server-extend-method group method))
2271 (equal (cadr method) ""))
2274 (gnus-server-add-address method))))
2276 (defun gnus-server-to-method (server)
2277 "Map virtual server names to select methods."
2279 ;; Is this a method, perhaps?
2280 (and server (listp server) server)
2281 ;; Perhaps this is the native server?
2282 (and (equal server "native") gnus-select-method)
2283 ;; It should be in the server alist.
2284 (cdr (assoc server gnus-server-alist))
2285 ;; It could be in the predefined server alist.
2286 (cdr (assoc server gnus-predefined-server-alist))
2287 ;; If not, we look through all the opened server
2288 ;; to see whether we can find it there.
2289 (let ((opened gnus-opened-servers))
2291 (not (equal server (format "%s:%s" (caaar opened)
2296 (defmacro gnus-method-equal (ss1 ss2)
2297 "Say whether two servers are equal."
2301 (and (= (length s1) (length s2))
2303 (while (and s1 (member (car s1) s2))
2307 (defun gnus-server-equal (m1 m2)
2308 "Say whether two methods are equal."
2309 (let ((m1 (cond ((null m1) gnus-select-method)
2310 ((stringp m1) (gnus-server-to-method m1))
2312 (m2 (cond ((null m2) gnus-select-method)
2313 ((stringp m2) (gnus-server-to-method m2))
2315 (gnus-method-equal m1 m2)))
2317 (defun gnus-servers-using-backend (backend)
2318 "Return a list of known servers using BACKEND."
2319 (let ((opened gnus-opened-servers)
2322 (when (eq backend (caaar opened))
2323 (push (caar opened) out))
2327 (defun gnus-archive-server-wanted-p ()
2328 "Say whether the user wants to use the archive server."
2330 ((or (not gnus-message-archive-method)
2331 (not gnus-message-archive-group))
2333 ((and gnus-message-archive-method gnus-message-archive-group)
2336 (let ((active (cadr (assq 'nnfolder-active-file
2337 gnus-message-archive-method))))
2339 (file-exists-p active))))))
2341 (defun gnus-group-prefixed-name (group method)
2342 "Return the whole name from GROUP and METHOD."
2343 (and (stringp method) (setq method (gnus-server-to-method method)))
2344 (if (or (not method)
2345 (gnus-server-equal method "native"))
2347 (concat (format "%s" (car method))
2349 (or (assoc (format "%s" (car method))
2350 (gnus-methods-using 'address))
2351 (gnus-server-equal method gnus-message-archive-method))
2353 (not (string= (nth 1 method) "")))
2354 (concat "+" (nth 1 method)))
2357 (defun gnus-group-real-prefix (group)
2358 "Return the prefix of the current group name."
2359 (if (string-match "^[^:]+:" group)
2360 (substring group 0 (match-end 0))
2363 (defun gnus-group-method (group)
2364 "Return the server or method used for selecting GROUP.
2365 You should probably use `gnus-find-method-for-group' instead."
2366 (let ((prefix (gnus-group-real-prefix group)))
2367 (if (equal prefix "")
2369 (let ((servers gnus-opened-servers)
2371 backend possible found)
2372 (if (string-match "^[^\\+]+\\+" prefix)
2373 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2374 server (substring prefix (match-end 0) (1- (length prefix))))
2375 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2377 (when (eq (caaar servers) backend)
2378 (setq possible (caar servers))
2379 (when (equal (cadaar servers) server)
2380 (setq found (caar servers))))
2382 (or (car (rassoc found gnus-server-alist))
2384 (car (rassoc possible gnus-server-alist))
2386 (list backend server))))))
2388 (defsubst gnus-secondary-method-p (method)
2389 "Return whether METHOD is a secondary select method."
2390 (let ((methods gnus-secondary-select-methods)
2391 (gmethod (gnus-server-get-method nil method)))
2393 (not (equal (gnus-server-get-method nil (car methods))
2395 (setq methods (cdr methods)))
2398 (defun gnus-groups-from-server (server)
2399 "Return a list of all groups that are fetched from SERVER."
2400 (let ((alist (cdr gnus-newsrc-alist))
2402 (while (setq info (pop alist))
2403 (when (gnus-server-equal (gnus-info-method info) server)
2404 (push (gnus-info-group info) groups)))
2405 (sort groups 'string<)))
2407 (defun gnus-group-foreign-p (group)
2408 "Say whether a group is foreign or not."
2409 (and (not (gnus-group-native-p group))
2410 (not (gnus-group-secondary-p group))))
2412 (defun gnus-group-native-p (group)
2413 "Say whether the group is native or not."
2414 (not (string-match ":" group)))
2416 (defun gnus-group-secondary-p (group)
2417 "Say whether the group is secondary or not."
2418 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2420 (defun gnus-group-find-parameter (group &optional symbol allow-list)
2421 "Return the group parameters for GROUP.
2422 If SYMBOL, return the value of that symbol in the group parameters."
2424 (set-buffer gnus-group-buffer)
2425 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2427 (gnus-group-parameter-value parameters symbol allow-list)
2430 (defun gnus-group-get-parameter (group &optional symbol allow-list)
2431 "Return the group parameters for GROUP.
2432 If SYMBOL, return the value of that symbol in the group parameters.
2433 Most functions should use `gnus-group-find-parameter', which
2434 also examines the topic parameters."
2435 (let ((params (gnus-info-params (gnus-get-info group))))
2437 (gnus-group-parameter-value params symbol allow-list)
2440 (defun gnus-group-parameter-value (params symbol &optional allow-list)
2441 "Return the value of SYMBOL in group PARAMS."
2442 ;; We only wish to return group parameters (dotted lists) and
2443 ;; not local variables, which may have the same names.
2444 ;; But first we handle single elements...
2445 (or (car (memq symbol params))
2449 (while (setq elem (pop params))
2450 (when (and (consp elem)
2451 (eq (car elem) symbol)
2454 (throw 'found (cdr elem))))))))
2456 (defun gnus-group-add-parameter (group param)
2457 "Add parameter PARAM to GROUP."
2458 (let ((info (gnus-get-info group)))
2460 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2461 ;; Cons the new param to the old one and update.
2462 (gnus-group-set-info (cons param (gnus-info-params info))
2465 (defun gnus-group-set-parameter (group name value)
2466 "Set parameter NAME to VALUE in GROUP."
2467 (let ((info (gnus-get-info group)))
2469 (gnus-group-remove-parameter group name)
2470 (let ((old-params (gnus-info-params info))
2471 (new-params (list (cons name value))))
2473 (when (or (not (listp (car old-params)))
2474 (not (eq (caar old-params) name)))
2475 (setq new-params (append new-params (list (car old-params)))))
2476 (setq old-params (cdr old-params)))
2477 (gnus-group-set-info new-params group 'params)))))
2479 (defun gnus-group-remove-parameter (group name)
2480 "Remove parameter NAME from GROUP."
2481 (let ((info (gnus-get-info group)))
2483 (let ((params (gnus-info-params info)))
2485 (setq params (delq name params))
2486 (while (assq name params)
2487 (gnus-pull name params))
2488 (gnus-info-set-params info params))))))
2490 (defun gnus-group-add-score (group &optional score)
2491 "Add SCORE to the GROUP score.
2492 If SCORE is nil, add 1 to the score of GROUP."
2493 (let ((info (gnus-get-info group)))
2495 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2497 ;; Function written by Stainless Steel Rat <ratinox@peorth.gweep.net>
2498 (defun gnus-short-group-name (group &optional levels)
2499 "Collapse GROUP name LEVELS.
2500 Select methods are stripped and any remote host name is stripped down to
2501 just the host name."
2508 (while (string-match "\\." group skip)
2509 (setq skip (match-end 0)
2512 ;; separate foreign select method from group name and collapse.
2513 ;; if method contains a server, collapse to non-domain server name,
2514 ;; otherwise collapse to select method
2515 (when (string-match ":" group)
2516 (cond ((string-match "+" group)
2517 (let* ((plus (string-match "+" group))
2518 (colon (string-match ":" group (or plus 0)))
2519 (dot (string-match "\\." group)))
2520 (setq foreign (concat
2521 (substring group (+ 1 plus)
2522 (cond ((null dot) colon)
2523 ((< colon dot) colon)
2524 ((< dot colon) dot)))
2526 group (substring group (+ 1 colon)))))
2528 (let* ((colon (string-match ":" group)))
2529 (setq foreign (concat (substring group 0 (+ 1 colon)))
2530 group (substring group (+ 1 colon)))))))
2531 ;; collapse group name leaving LEVELS uncollapsed elements
2533 (if (and (string-match "\\." group) (> levels 0))
2534 (setq name (concat name (substring group 0 1))
2535 group (substring group (match-end 0))
2537 name (concat name "."))
2538 (setq name (concat foreign name group)
2542 (defun gnus-narrow-to-body ()
2543 "Narrow to the body of an article."
2546 (goto-char (point-min))
2547 (or (search-forward "\n\n" nil t)
2553 ;;; Kill file handling.
2556 (defun gnus-apply-kill-file ()
2557 "Apply a kill file to the current newsgroup.
2558 Returns the number of articles marked as read."
2559 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2560 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2561 (gnus-apply-kill-file-internal)
2564 (defun gnus-kill-save-kill-buffer ()
2565 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2566 (when (get-file-buffer file)
2568 (set-buffer (get-file-buffer file))
2569 (when (buffer-modified-p)
2571 (kill-buffer (current-buffer))))))
2573 (defcustom gnus-kill-file-name "KILL"
2574 "Suffix of the kill files."
2575 :group 'gnus-score-kill
2576 :group 'gnus-score-files
2579 (defun gnus-newsgroup-kill-file (newsgroup)
2580 "Return the name of a kill file name for NEWSGROUP.
2581 If NEWSGROUP is nil, return the global kill file name instead."
2583 ;; The global KILL file is placed at top of the directory.
2584 ((or (null newsgroup)
2585 (string-equal newsgroup ""))
2586 (expand-file-name gnus-kill-file-name
2587 gnus-kill-files-directory))
2588 ;; Append ".KILL" to newsgroup name.
2589 ((gnus-use-long-file-name 'not-kill)
2590 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2591 "." gnus-kill-file-name)
2592 gnus-kill-files-directory))
2593 ;; Place "KILL" under the hierarchical directory.
2595 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2596 "/" gnus-kill-file-name)
2597 gnus-kill-files-directory))))
2601 (defun gnus-member-of-valid (symbol group)
2602 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2604 (symbol-name (car (gnus-find-method-for-group group)))
2605 gnus-valid-select-methods)))
2607 (defun gnus-method-option-p (method option)
2608 "Return non-nil if select METHOD has OPTION as a parameter."
2609 (when (stringp method)
2610 (setq method (gnus-server-to-method method)))
2611 (memq option (assoc (format "%s" (car method))
2612 gnus-valid-select-methods)))
2614 (defun gnus-similar-server-opened (method)
2615 (let ((opened gnus-opened-servers))
2616 (while (and method opened)
2617 (when (and (equal (cadr method) (cadaar opened))
2618 (not (equal method (caar opened))))
2623 (defun gnus-server-extend-method (group method)
2624 ;; This function "extends" a virtual server. If the server is
2625 ;; "hello", and the select method is ("hello" (my-var "something"))
2626 ;; in the group "alt.alt", this will result in a new virtual server
2627 ;; called "hello+alt.alt".
2628 (if (or (not (inline (gnus-similar-server-opened method)))
2629 (not (cddr method)))
2631 `(,(car method) ,(concat (cadr method) "+" group)
2632 (,(intern (format "%s-address" (car method))) ,(cadr method))
2635 (defun gnus-server-status (method)
2636 "Return the status of METHOD."
2637 (nth 1 (assoc method gnus-opened-servers)))
2639 (defun gnus-group-name-to-method (group)
2640 "Guess a select method based on GROUP."
2641 (if (string-match ":" group)
2642 (let ((server (substring group 0 (match-beginning 0))))
2643 (if (string-match "\\+" server)
2644 (list (intern (substring server 0 (match-beginning 0)))
2645 (substring server (match-end 0)))
2646 (list (intern server) "")))
2647 gnus-select-method))
2649 (defun gnus-find-method-for-group (group &optional info)
2650 "Find the select method that GROUP uses."
2651 (or gnus-override-method
2654 (let ((info (or info (gnus-get-info group)))
2657 (not (setq method (gnus-info-method info)))
2658 (equal method "native"))
2661 (cond ((stringp method)
2662 (inline (gnus-server-to-method method)))
2663 ((stringp (cadr method))
2664 (inline (gnus-server-extend-method group method)))
2667 (cond ((equal (cadr method) "")
2669 ((null (cadr method))
2670 (list (car method) ""))
2672 (gnus-server-add-address method)))))))
2674 (defun gnus-methods-using (feature)
2675 "Find all methods that have FEATURE."
2676 (let ((valids gnus-valid-select-methods)
2679 (when (memq feature (car valids))
2680 (push (car valids) outs))
2681 (setq valids (cdr valids)))
2684 (defun gnus-read-group (prompt &optional default)
2685 "Prompt the user for a group name.
2686 Disallow illegal group names."
2692 (setq group (read-string (concat prefix prompt)
2693 (cons (or default "") 0)
2694 'gnus-group-history)))
2695 (setq prefix (format "Illegal group name: \"%s\". " group)
2699 (defun gnus-read-method (prompt)
2700 "Prompt the user for a method.
2701 Allow completion over sensible values."
2703 (append gnus-valid-select-methods
2704 gnus-predefined-server-alist
2709 nil t nil 'gnus-method-history)))
2712 (setq method gnus-select-method))
2713 ((assoc method gnus-valid-select-methods)
2714 (list (intern method)
2715 (if (memq 'prompt-address
2716 (assoc method gnus-valid-select-methods))
2717 (read-string "Address: ")
2719 ((assoc method servers)
2722 (list (intern method) "")))))
2724 ;;; User-level commands.
2727 (defun gnus-slave-no-server (&optional arg)
2728 "Read network news as a slave, without connecting to local server."
2730 (gnus-no-server arg t))
2733 (defun gnus-no-server (&optional arg slave)
2735 If ARG is a positive number, Gnus will use that as the
2736 startup level. If ARG is nil, Gnus will be started at level 2.
2737 If ARG is non-nil and not a positive number, Gnus will
2738 prompt the user for the name of an NNTP server to use.
2739 As opposed to `gnus', this command will not connect to the local server."
2741 (gnus-no-server-1 arg slave))
2744 (defun gnus-slave (&optional arg)
2745 "Read news as a slave."
2747 (gnus arg nil 'slave))
2750 (defun gnus-other-frame (&optional arg)
2751 "Pop up a frame to read news."
2753 (let ((window (get-buffer-window gnus-group-buffer)))
2755 (select-frame (window-frame window)))
2756 ((= (length (frame-list)) 1)
2757 (select-frame (make-frame)))
2763 (defun gnus (&optional arg dont-connect slave)
2765 If ARG is non-nil and a positive number, Gnus will use that as the
2766 startup level. If ARG is non-nil and not a positive number, Gnus will
2767 prompt the user for the name of an NNTP server to use."
2769 (gnus-1 arg dont-connect slave))
2771 ;; Allow redefinition of Gnus functions.
2777 ;;; gnus.el ends here