1 ;;; gnus.el --- a newsreader for GNU Emacs
2 ;; Copyright (C) 1987,88,89,90,93,94,95,96,97,98,99
3 ;; Free Software Foundation, Inc.
5 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
6 ;; Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; Keywords: news, mail
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
30 (eval '(run-hooks 'gnus-load-hook))
32 (eval-when-compile (require 'cl))
36 (if (< emacs-major-version 20)
37 (require 'gnus-load)))
41 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
45 (defgroup gnus-cache nil
49 (defgroup gnus-start nil
50 "Starting your favorite newsreader."
53 (defgroup gnus-start-server nil
54 "Server options at startup."
57 ;; These belong to gnus-group.el.
58 (defgroup gnus-group nil
60 :link '(custom-manual "(gnus)The Group Buffer")
63 (defgroup gnus-group-foreign nil
65 :link '(custom-manual "(gnus)Foreign Groups")
68 (defgroup gnus-group-new nil
69 "Automatic subscription of new groups."
72 (defgroup gnus-group-levels nil
74 :link '(custom-manual "(gnus)Group Levels")
77 (defgroup gnus-group-select nil
79 :link '(custom-manual "(gnus)Selecting a Group")
82 (defgroup gnus-group-listing nil
83 "Showing slices of the group list."
84 :link '(custom-manual "(gnus)Listing Groups")
87 (defgroup gnus-group-visual nil
88 "Sorting the group buffer."
89 :link '(custom-manual "(gnus)Group Buffer Format")
93 (defgroup gnus-group-various nil
94 "Various group options."
95 :link '(custom-manual "(gnus)Scanning New Messages")
98 ;; These belong to gnus-sum.el.
99 (defgroup gnus-summary nil
101 :link '(custom-manual "(gnus)The Summary Buffer")
104 (defgroup gnus-summary-exit nil
105 "Leaving summary buffers."
106 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
107 :group 'gnus-summary)
109 (defgroup gnus-summary-marks nil
110 "Marks used in summary buffers."
111 :link '(custom-manual "(gnus)Marking Articles")
112 :group 'gnus-summary)
114 (defgroup gnus-thread nil
115 "Ordering articles according to replies."
116 :link '(custom-manual "(gnus)Threading")
117 :group 'gnus-summary)
119 (defgroup gnus-summary-format nil
120 "Formatting of the summary buffer."
121 :link '(custom-manual "(gnus)Summary Buffer Format")
122 :group 'gnus-summary)
124 (defgroup gnus-summary-choose nil
126 :link '(custom-manual "(gnus)Choosing Articles")
127 :group 'gnus-summary)
129 (defgroup gnus-summary-maneuvering nil
130 "Summary movement commands."
131 :link '(custom-manual "(gnus)Summary Maneuvering")
132 :group 'gnus-summary)
134 (defgroup gnus-summary-mail nil
135 "Mail group commands."
136 :link '(custom-manual "(gnus)Mail Group Commands")
137 :group 'gnus-summary)
139 (defgroup gnus-summary-sort nil
140 "Sorting the summary buffer."
141 :link '(custom-manual "(gnus)Sorting")
142 :group 'gnus-summary)
144 (defgroup gnus-summary-visual nil
145 "Highlighting and menus in the summary buffer."
146 :link '(custom-manual "(gnus)Summary Highlighting")
148 :group 'gnus-summary)
150 (defgroup gnus-summary-various nil
151 "Various summary buffer options."
152 :link '(custom-manual "(gnus)Various Summary Stuff")
153 :group 'gnus-summary)
155 (defgroup gnus-summary-pick nil
156 "Pick mode in the summary buffer."
157 :link '(custom-manual "(gnus)Pick and Read")
159 :group 'gnus-summary)
161 (defgroup gnus-summary-tree nil
162 "Tree display of threads in the summary buffer."
163 :link '(custom-manual "(gnus)Tree Display")
165 :group 'gnus-summary)
167 ;; Belongs to gnus-uu.el
168 (defgroup gnus-extract-view nil
169 "Viewing extracted files."
170 :link '(custom-manual "(gnus)Viewing Files")
171 :group 'gnus-extract)
173 ;; Belongs to gnus-score.el
174 (defgroup gnus-score nil
175 "Score and kill file handling."
178 (defgroup gnus-score-kill nil
182 (defgroup gnus-score-adapt nil
183 "Adaptive score files."
186 (defgroup gnus-score-default nil
187 "Default values for score files."
190 (defgroup gnus-score-expire nil
191 "Expiring score rules."
194 (defgroup gnus-score-decay nil
195 "Decaying score rules."
198 (defgroup gnus-score-files nil
199 "Score and kill file names."
203 (defgroup gnus-score-various nil
204 "Various scoring and killing options."
208 (defgroup gnus-visual nil
209 "Options controling the visual fluff."
213 (defgroup gnus-agent nil
214 "Offline support for Gnus."
217 (defgroup gnus-files nil
218 "Files used by Gnus."
221 (defgroup gnus-dribble-file nil
223 :link '(custom-manual "(gnus)Auto Save")
226 (defgroup gnus-newsrc nil
227 "Storing Gnus state."
230 (defgroup gnus-server nil
231 "Options related to newsservers and other servers used by Gnus."
234 (defgroup gnus-message '((message custom-group))
235 "Composing replies and followups in Gnus."
238 (defgroup gnus-meta nil
239 "Meta variables controling major portions of Gnus.
240 In general, modifying these variables does not take affect until Gnus
241 is restarted, and sometimes reloaded."
244 (defgroup gnus-various nil
245 "Other Gnus options."
246 :link '(custom-manual "(gnus)Various Various")
249 (defgroup gnus-exit nil
251 :link '(custom-manual "(gnus)Exiting Gnus")
254 (defconst gnus-product-name "Chaos"
255 "Product name of this version of gnus.")
257 (defconst gnus-version-number "1.12.4"
258 "Version number for this version of gnus.")
260 (defconst gnus-version
261 (format "%s %s (based on Gnus 5.6.45; for SEMI 1.12/1.13, FLIM 1.12)"
262 gnus-product-name gnus-version-number)
263 "Version string for this version of gnus.")
265 (defcustom gnus-inhibit-startup-message nil
266 "If non-nil, the startup message will not be displayed.
267 This variable is used before `.gnus.el' is loaded, so it should
268 be set in `.emacs' instead."
272 (defcustom gnus-play-startup-jingle nil
273 "If non-nil, play the Gnus jingle at startup."
277 ;;; Kludges to help the transition from the old `custom.el'.
279 (unless (featurep 'gnus-xmas)
280 (defalias 'gnus-make-overlay 'make-overlay)
281 (defalias 'gnus-delete-overlay 'delete-overlay)
282 (defalias 'gnus-overlay-put 'overlay-put)
283 (defalias 'gnus-move-overlay 'move-overlay)
284 (defalias 'gnus-overlay-end 'overlay-end)
285 (defalias 'gnus-extent-detached-p 'ignore)
286 (defalias 'gnus-extent-start-open 'ignore)
287 (defalias 'gnus-set-text-properties 'set-text-properties)
288 (defalias 'gnus-group-remove-excess-properties 'ignore)
289 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
290 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
291 (defalias 'gnus-character-to-event 'identity)
292 (defalias 'gnus-add-text-properties 'add-text-properties)
293 (defalias 'gnus-put-text-property 'put-text-property)
294 (defalias 'gnus-mode-line-buffer-identification 'identity)
295 (defalias 'gnus-characterp 'numberp)
296 (defalias 'gnus-deactivate-mark 'deactivate-mark)
297 (defalias 'gnus-window-edges 'window-edges)
298 (defalias 'gnus-key-press-event-p 'numberp))
300 ;; We define these group faces here to avoid the display
301 ;; update forced when creating new faces.
303 (defface gnus-group-news-1-face
306 (:foreground "PaleTurquoise" :bold t))
309 (:foreground "ForestGreen" :bold t))
312 "Level 1 newsgroup face.")
314 (defface gnus-group-news-1-empty-face
317 (:foreground "PaleTurquoise"))
320 (:foreground "ForestGreen"))
323 "Level 1 empty newsgroup face.")
325 (defface gnus-group-news-2-face
328 (:foreground "turquoise" :bold t))
331 (:foreground "CadetBlue4" :bold t))
334 "Level 2 newsgroup face.")
336 (defface gnus-group-news-2-empty-face
339 (:foreground "turquoise"))
342 (:foreground "CadetBlue4"))
345 "Level 2 empty newsgroup face.")
347 (defface gnus-group-news-3-face
356 "Level 3 newsgroup face.")
358 (defface gnus-group-news-3-empty-face
367 "Level 3 empty newsgroup face.")
369 (defface gnus-group-news-low-face
372 (:foreground "DarkTurquoise" :bold t))
375 (:foreground "DarkGreen" :bold t))
378 "Low level newsgroup face.")
380 (defface gnus-group-news-low-empty-face
383 (:foreground "DarkTurquoise"))
386 (:foreground "DarkGreen"))
389 "Low level empty newsgroup face.")
391 (defface gnus-group-mail-1-face
394 (:foreground "aquamarine1" :bold t))
397 (:foreground "DeepPink3" :bold t))
400 "Level 1 mailgroup face.")
402 (defface gnus-group-mail-1-empty-face
405 (:foreground "aquamarine1"))
408 (:foreground "DeepPink3"))
410 (:italic t :bold t)))
411 "Level 1 empty mailgroup face.")
413 (defface gnus-group-mail-2-face
416 (:foreground "aquamarine2" :bold t))
419 (:foreground "HotPink3" :bold t))
422 "Level 2 mailgroup face.")
424 (defface gnus-group-mail-2-empty-face
427 (:foreground "aquamarine2"))
430 (:foreground "HotPink3"))
433 "Level 2 empty mailgroup face.")
435 (defface gnus-group-mail-3-face
438 (:foreground "aquamarine3" :bold t))
441 (:foreground "magenta4" :bold t))
444 "Level 3 mailgroup face.")
446 (defface gnus-group-mail-3-empty-face
449 (:foreground "aquamarine3"))
452 (:foreground "magenta4"))
455 "Level 3 empty mailgroup face.")
457 (defface gnus-group-mail-low-face
460 (:foreground "aquamarine4" :bold t))
463 (:foreground "DeepPink4" :bold t))
466 "Low level mailgroup face.")
468 (defface gnus-group-mail-low-empty-face
471 (:foreground "aquamarine4"))
474 (:foreground "DeepPink4"))
477 "Low level empty mailgroup face.")
479 ;; Summary mode faces.
481 (defface gnus-summary-selected-face '((t
483 "Face used for selected articles.")
485 (defface gnus-summary-cancelled-face
487 (:foreground "yellow" :background "black")))
488 "Face used for cancelled articles.")
490 (defface gnus-summary-high-ticked-face
493 (:foreground "pink" :bold t))
496 (:foreground "firebrick" :bold t))
499 "Face used for high interest ticked articles.")
501 (defface gnus-summary-low-ticked-face
504 (:foreground "pink" :italic t))
507 (:foreground "firebrick" :italic t))
510 "Face used for low interest ticked articles.")
512 (defface gnus-summary-normal-ticked-face
515 (:foreground "pink"))
518 (:foreground "firebrick"))
521 "Face used for normal interest ticked articles.")
523 (defface gnus-summary-high-ancient-face
526 (:foreground "SkyBlue" :bold t))
529 (:foreground "RoyalBlue" :bold t))
532 "Face used for high interest ancient articles.")
534 (defface gnus-summary-low-ancient-face
537 (:foreground "SkyBlue" :italic t))
540 (:foreground "RoyalBlue" :italic t))
543 "Face used for low interest ancient articles.")
545 (defface gnus-summary-normal-ancient-face
548 (:foreground "SkyBlue"))
551 (:foreground "RoyalBlue"))
554 "Face used for normal interest ancient articles.")
556 (defface gnus-summary-high-unread-face
559 "Face used for high interest unread articles.")
561 (defface gnus-summary-low-unread-face
564 "Face used for low interest unread articles.")
566 (defface gnus-summary-normal-unread-face
569 "Face used for normal interest unread articles.")
571 (defface gnus-summary-high-read-face
574 (:foreground "PaleGreen"
578 (:foreground "DarkGreen"
582 "Face used for high interest read articles.")
584 (defface gnus-summary-low-read-face
587 (:foreground "PaleGreen"
591 (:foreground "DarkGreen"
595 "Face used for low interest read articles.")
597 (defface gnus-summary-normal-read-face
600 (:foreground "PaleGreen"))
603 (:foreground "DarkGreen"))
606 "Face used for normal interest read articles.")
613 (defvar gnus-buffers nil)
615 (defun gnus-get-buffer-create (name)
616 "Do the same as `get-buffer-create', but store the created buffer."
617 (or (get-buffer name)
618 (car (push (get-buffer-create name) gnus-buffers))))
620 (defun gnus-add-buffer ()
621 "Add the current buffer to the list of Gnus buffers."
622 (push (current-buffer) gnus-buffers))
624 (defun gnus-buffers ()
625 "Return a list of live Gnus buffers."
626 (while (and gnus-buffers
627 (not (buffer-name (car gnus-buffers))))
629 (let ((buffers gnus-buffers))
631 (if (buffer-name (cadr buffers))
633 (setcdr buffers (cddr buffers)))))
638 (defvar gnus-group-buffer "*Group*")
641 (autoload 'gnus-play-jingle "gnus-audio"))
643 (defface gnus-splash-face
646 (:foreground "ForestGreen"))
649 (:foreground "ForestGreen"))
652 "Level 1 newsgroup face.")
654 (defun gnus-splash ()
656 (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
657 (let ((buffer-read-only nil))
659 (unless gnus-inhibit-startup-message
660 (gnus-group-startup-message)
662 (when gnus-play-startup-jingle
663 (gnus-play-jingle))))))
665 (defun gnus-indent-rigidly (start end arg)
666 "Indent rigidly using only spaces and no tabs."
669 (narrow-to-region start end)
671 (indent-rigidly start end arg)
672 ;; We translate tabs into spaces -- not everybody uses
673 ;; an 8-character tab.
674 (goto-char (point-min))
675 (while (search-forward "\t" nil t)
676 (replace-match " " t t))))))
678 (defvar gnus-simple-splash nil)
680 (defun gnus-group-startup-message (&optional x y)
681 "Insert startup message in current buffer."
682 ;; Insert the message.
687 _ ___ __ ___ __ _ ___
707 (gnus-indent-rigidly (point-min) (point-max)
708 (/ (max (- (window-width) (or x 46)) 0) 2))
709 (goto-char (point-min))
711 (let* ((pheight (count-lines (point-min) (point-max)))
712 (wheight (window-height))
713 (rest (- wheight pheight)))
714 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
716 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
717 (goto-char (point-min))
718 (setq mode-line-buffer-identification (concat " " gnus-version))
719 (setq gnus-simple-splash t)
720 (set-buffer-modified-p t))
723 (let ((command (format "%s" this-command)))
724 (if (and (string-match "gnus" command)
725 (not (string-match "gnus-other-frame" command)))
727 (gnus-get-buffer-create gnus-group-buffer))))
735 (defcustom gnus-home-directory "~/"
736 "Directory variable that specifies the \"home\" directory.
737 All other Gnus path variables are initialized from this variable."
741 (defcustom gnus-directory (or (getenv "SAVEDIR")
742 (nnheader-concat gnus-home-directory "News/"))
743 "*Directory variable from which all other Gnus file variables are derived.
745 Note that Gnus is mostly loaded when the `.gnus.el' file is read.
746 This means that other directory variables that are initialized from
747 this variable won't be set properly if you set this variable in `.gnus.el'.
748 Set this variable in `.emacs' instead."
752 (defcustom gnus-default-directory nil
753 "*Default directory for all Gnus buffers."
755 :type '(choice (const :tag "current" nil)
758 ;; Site dependent variables. These variables should be defined in
761 (defvar gnus-default-nntp-server nil
762 "Specify a default NNTP server.
763 This variable should be defined in paths.el, and should never be set
765 If you want to change servers, you should use `gnus-select-method'.
766 See the documentation to that variable.")
768 ;; Don't touch this variable.
769 (defvar gnus-nntp-service "nntp"
770 "NNTP service name (\"nntp\" or 119).
771 This is an obsolete variable, which is scarcely used. If you use an
772 nntp server for your newsgroup and want to change the port number
773 used to 899, you would say something along these lines:
775 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
777 (defcustom gnus-nntpserver-file "/etc/nntpserver"
778 "A file with only the name of the nntp server in it."
783 ;; This function is used to check both the environment variable
784 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
785 ;; an nntp server name default.
786 (defun gnus-getenv-nntpserver ()
787 (or (getenv "NNTPSERVER")
788 (and (file-readable-p gnus-nntpserver-file)
790 (set-buffer (gnus-get-buffer-create " *gnus nntp*"))
791 (buffer-disable-undo (current-buffer))
792 (insert-file-contents gnus-nntpserver-file)
793 (let ((name (buffer-string)))
795 (if (string-match "^[ \t\n]*$" name)
798 (kill-buffer (current-buffer))))))))
800 (defcustom gnus-select-method
803 (list 'nntp (or (condition-case nil
804 (gnus-getenv-nntpserver)
806 (when (and gnus-default-nntp-server
807 (not (string= gnus-default-nntp-server "")))
808 gnus-default-nntp-server)
810 (if (or (null gnus-nntp-service)
811 (equal gnus-nntp-service "nntp"))
813 (list gnus-nntp-service)))
815 "*Default method for selecting a newsgroup.
816 This variable should be a list, where the first element is how the
817 news is to be fetched, the second is the address.
819 For instance, if you want to get your news via NNTP from
820 \"flab.flab.edu\", you could say:
822 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
824 If you want to use your local spool, say:
826 \(setq gnus-select-method (list 'nnspool (system-name)))
828 If you use this variable, you must set `gnus-nntp-server' to nil.
830 There is a lot more to know about select methods and virtual servers -
831 see the manual for details."
833 :type 'gnus-select-method)
835 (defcustom gnus-message-archive-method
838 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
839 (nnfolder-active-file
840 ,(nnheader-concat message-directory "archive/active"))
841 (nnfolder-get-new-mail nil)
842 (nnfolder-inhibit-expiry t))
843 "*Method used for archiving messages you've sent.
844 This should be a mail method.
846 It's probably not a very effective to change this variable once you've
847 run Gnus once. After doing that, you must edit this server from the
851 :type 'gnus-select-method)
853 (defcustom gnus-message-archive-group nil
854 "*Name of the group in which to save the messages you've written.
855 This can either be a string; a list of strings; or an alist
856 of regexps/functions/forms to be evaluated to return a string (or a list
857 of strings). The functions are called with the name of the current
858 group (or nil) as a parameter.
860 If you want to save your mail in one group and the news articles you
861 write in another group, you could say something like:
863 \(setq gnus-message-archive-group
864 '((if (message-news-p)
868 Normally the group names returned by this variable should be
869 unprefixed -- which implicitly means \"store on the archive server\".
870 However, you may wish to store the message on some other server. In
871 that case, just return a fully prefixed name of the group --
872 \"nnml+private:mail.misc\", for instance."
874 :type '(choice (const :tag "none" nil)
878 (defcustom gnus-secondary-servers nil
879 "List of NNTP servers that the user can choose between interactively.
880 To make Gnus query you for a server, you have to give `gnus' a
881 non-numeric prefix - `C-u M-x gnus', in short."
883 :type '(repeat string))
885 (defcustom gnus-nntp-server nil
886 "*The name of the host running the NNTP server.
887 This variable is semi-obsolete. Use the `gnus-select-method'
890 :type '(choice (const :tag "disable" nil)
893 (defcustom gnus-secondary-select-methods nil
894 "A list of secondary methods that will be used for reading news.
895 This is a list where each element is a complete select method (see
896 `gnus-select-method').
898 If, for instance, you want to read your mail with the nnml backend,
899 you could set this variable:
901 \(setq gnus-secondary-select-methods '((nnml \"\")))"
903 :type '(repeat gnus-select-method))
905 (defvar gnus-backup-default-subscribed-newsgroups
906 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
907 "Default default new newsgroups the first time Gnus is run.
908 Should be set in paths.el, and shouldn't be touched by the user.")
910 (defcustom gnus-local-domain nil
911 "Local domain name without a host name.
912 The DOMAINNAME environment variable is used instead if it is defined.
913 If the `system-name' function returns the full Internet name, there is
914 no need to set this variable."
916 :type '(choice (const :tag "default" nil)
919 (defvar gnus-local-organization nil
920 "String with a description of what organization (if any) the user belongs to.
921 Obsolete variable; use `message-user-organization' instead.")
923 ;; Customization variables
925 (defcustom gnus-refer-article-method nil
926 "Preferred method for fetching an article by Message-ID.
927 If you are reading news from the local spool (with nnspool), fetching
928 articles by Message-ID is painfully slow. By setting this method to an
929 nntp method, you might get acceptable results.
931 The value of this variable must be a valid select method as discussed
932 in the documentation of `gnus-select-method'."
934 :type '(choice (const :tag "default" nil)
937 (defcustom gnus-group-faq-directory
938 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
939 "/ftp@sunsite.auc.dk:/pub/usenet/"
940 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
941 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
942 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
943 "/ftp@rtfm.mit.edu:/pub/usenet/"
944 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
945 "/ftp@ftp.sunet.se:/pub/usenet/"
946 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
947 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
948 "/ftp@ftp.hk.super.net:/mirror/faqs/")
949 "*Directory where the group FAQs are stored.
950 This will most commonly be on a remote machine, and the file will be
953 This variable can also be a list of directories. In that case, the
954 first element in the list will be used by default. The others can
955 be used when being prompted for a site.
957 Note that Gnus uses an aol machine as the default directory. If this
958 feels fundamentally unclean, just think of it as a way to finally get
959 something of value back from them.
961 If the default site is too slow, try one of these:
963 North America: mirrors.aol.com /pub/rtfm/usenet
964 ftp.seas.gwu.edu /pub/rtfm
965 rtfm.mit.edu /pub/usenet
966 Europe: ftp.uni-paderborn.de /pub/FAQ
967 src.doc.ic.ac.uk /usenet/news-FAQS
968 ftp.sunet.se /pub/usenet
969 sunsite.auc.dk /pub/usenet
970 Asia: nctuccca.edu.tw /USENET/FAQ
971 hwarang.postech.ac.kr /pub/usenet
972 ftp.hk.super.net /mirror/faqs"
973 :group 'gnus-group-various
974 :type '(choice directory
977 (defcustom gnus-use-cross-reference t
978 "*Non-nil means that cross referenced articles will be marked as read.
979 If nil, ignore cross references. If t, mark articles as read in
980 subscribed newsgroups. If neither t nor nil, mark as read in all
983 :type '(choice (const :tag "off" nil)
984 (const :tag "subscribed" t)
988 (defcustom gnus-process-mark ?#
990 :group 'gnus-group-visual
991 :group 'gnus-summary-marks
994 (defcustom gnus-asynchronous nil
995 "*If non-nil, Gnus will supply backends with data needed for async article fetching."
996 :group 'gnus-asynchronous
999 (defcustom gnus-large-newsgroup 200
1000 "*The number of articles which indicates a large newsgroup.
1001 If the number of articles in a newsgroup is greater than this value,
1002 confirmation is required for selecting the newsgroup."
1003 :group 'gnus-group-select
1006 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
1007 "*Non-nil means that the default name of a file to save articles in is the group name.
1008 If it's nil, the directory form of the group name is used instead.
1010 If this variable is a list, and the list contains the element
1011 `not-score', long file names will not be used for score files; if it
1012 contains the element `not-save', long file names will not be used for
1013 saving; and if it contains the element `not-kill', long file names
1014 will not be used for kill files.
1016 Note that the default for this variable varies according to what system
1017 type you're using. On `usg-unix-v' and `xenix' this variable defaults
1018 to nil while on all other systems it defaults to t."
1022 (defcustom gnus-kill-files-directory gnus-directory
1023 "*Name of the directory where kill files will be stored (default \"~/News\")."
1024 :group 'gnus-score-files
1025 :group 'gnus-score-kill
1028 (defcustom gnus-save-score nil
1029 "*If non-nil, save group scoring info."
1030 :group 'gnus-score-various
1034 (defcustom gnus-use-undo t
1035 "*If non-nil, allow undoing in Gnus group mode buffers."
1039 (defcustom gnus-use-adaptive-scoring nil
1040 "*If non-nil, use some adaptive scoring scheme.
1041 If a list, then the values `word' and `line' are meaningful. The
1042 former will perform adaption on individual words in the subject
1043 header while `line' will perform adaption on several headers."
1045 :group 'gnus-score-adapt
1046 :type '(set (const word) (const line)))
1048 (defcustom gnus-use-cache 'passive
1049 "*If nil, Gnus will ignore the article cache.
1050 If `passive', it will allow entering (and reading) articles
1051 explicitly entered into the cache. If anything else, use the
1052 cache to the full extent of the law."
1055 :type '(choice (const :tag "off" nil)
1056 (const :tag "passive" passive)
1057 (const :tag "active" t)))
1059 (defcustom gnus-use-trees nil
1060 "*If non-nil, display a thread tree buffer."
1064 (defcustom gnus-use-grouplens nil
1065 "*If non-nil, use GroupLens ratings."
1069 (defcustom gnus-keep-backlog nil
1070 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1071 If it is a number N, then Gnus will only keep the last N articles
1072 read. If it is neither nil nor a number, Gnus will keep all read
1073 articles. This is not a good idea."
1075 :type '(choice (const :tag "off" nil)
1080 (defcustom gnus-use-nocem nil
1081 "*If non-nil, Gnus will read NoCeM cancel messages."
1085 (defcustom gnus-suppress-duplicates nil
1086 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1090 (defcustom gnus-use-demon nil
1091 "If non-nil, Gnus might use some demons."
1095 (defcustom gnus-use-scoring t
1096 "*If non-nil, enable scoring."
1100 (defcustom gnus-use-picons nil
1101 "*If non-nil, display picons."
1105 (defcustom gnus-summary-prepare-exit-hook
1106 '(gnus-summary-expire-articles)
1107 "*A hook called when preparing to exit from the summary buffer.
1108 It calls `gnus-summary-expire-articles' by default."
1109 :group 'gnus-summary-exit
1112 (defcustom gnus-novice-user t
1113 "*Non-nil means that you are a usenet novice.
1114 If non-nil, verbose messages may be displayed and confirmations may be
1119 (defcustom gnus-expert-user nil
1120 "*Non-nil means that you will never be asked for confirmation about anything.
1121 That doesn't mean *anything* anything; particularly destructive
1122 commands will still require prompting."
1126 (defcustom gnus-interactive-catchup t
1127 "*If non-nil, require your confirmation when catching up a group."
1128 :group 'gnus-group-select
1131 (defcustom gnus-interactive-exit t
1132 "*If non-nil, require your confirmation when exiting Gnus."
1136 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1137 "*Function for extracting address components from a From header.
1138 Two pre-defined function exist: `gnus-extract-address-components',
1139 which is the default, quite fast, and too simplistic solution, and
1140 `mail-extract-address-components', which works much better, but is
1142 :group 'gnus-summary-format
1143 :type '(radio (function-item gnus-extract-address-components)
1144 (function-item mail-extract-address-components)
1145 (function-item std11-extract-address-components)
1146 (function :tag "Other")))
1148 (defcustom gnus-carpal nil
1149 "*If non-nil, display clickable icons."
1153 (defcustom gnus-shell-command-separator ";"
1154 "String used to separate to shell commands."
1158 (defcustom gnus-valid-select-methods
1159 '(("nntp" post address prompt-address physical-address)
1160 ("nnspool" post address)
1161 ("nnvirtual" post-mail virtual prompt-address)
1162 ("nnmbox" mail respool address)
1163 ("nnml" mail respool address)
1164 ("nnmh" mail respool address)
1165 ("nndir" post-mail prompt-address physical-address)
1166 ("nneething" none address prompt-address physical-address)
1167 ("nndoc" none address prompt-address)
1168 ("nnbabyl" mail address respool)
1169 ("nnkiboze" post virtual)
1170 ("nnsoup" post-mail address)
1171 ("nndraft" post-mail)
1172 ("nnfolder" mail respool address)
1173 ("nngateway" post-mail address prompt-address physical-address)
1176 ("nnagent" post-mail))
1177 "*An alist of valid select methods.
1178 The first element of each list lists should be a string with the name
1179 of the select method. The other elements may be the category of
1180 this method (i. e., `post', `mail', `none' or whatever) or other
1181 properties that this method has (like being respoolable).
1182 If you implement a new select method, all you should have to change is
1183 this variable. I think."
1185 :type '(repeat (group (string :tag "Name")
1186 (radio-button-choice (const :format "%v " post)
1187 (const :format "%v " mail)
1188 (const :format "%v " none)
1190 (checklist :inline t
1191 (const :format "%v " address)
1192 (const :format "%v " prompt-address)
1193 (const :format "%v " physical-address)
1194 (const :format "%v " virtual)
1197 (define-widget 'gnus-select-method 'list
1198 "Widget for entering a select method."
1199 :args `((choice :tag "Method"
1200 ,@(mapcar (lambda (entry)
1201 (list 'const :format "%v\n"
1202 (intern (car entry))))
1203 gnus-valid-select-methods))
1204 (string :tag "Address")
1205 (editable-list :inline t
1208 (sexp :tag "Value")))))
1210 (defcustom gnus-updated-mode-lines '(group article summary tree)
1211 "List of buffers that should update their mode lines.
1212 The list may contain the symbols `group', `article', `tree' and
1213 `summary'. If the corresponding symbol is present, Gnus will keep
1214 that mode line updated with information that may be pertinent.
1215 If this variable is nil, screen refresh may be quicker."
1216 :group 'gnus-various
1217 :type '(set (const group)
1222 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1223 (defcustom gnus-mode-non-string-length nil
1224 "*Max length of mode-line non-string contents.
1225 If this is nil, Gnus will take space as is needed, leaving the rest
1226 of the modeline intact. Note that the default of nil is unlikely
1227 to be desirable; see the manual for further details."
1228 :group 'gnus-various
1229 :type '(choice (const nil)
1232 (defcustom gnus-auto-expirable-newsgroups nil
1233 "*Groups in which to automatically mark read articles as expirable.
1234 If non-nil, this should be a regexp that should match all groups in
1235 which to perform auto-expiry. This only makes sense for mail groups."
1236 :group 'nnmail-expire
1237 :type '(choice (const nil)
1240 (defcustom gnus-total-expirable-newsgroups nil
1241 "*Groups in which to perform expiry of all read articles.
1242 Use with extreme caution. All groups that match this regexp will be
1243 expiring - which means that all read articles will be deleted after
1244 \(say) one week. (This only goes for mail groups and the like, of
1246 :group 'nnmail-expire
1247 :type '(choice (const nil)
1250 (defcustom gnus-group-uncollapsed-levels 1
1251 "Number of group name elements to leave alone when making a short group name."
1252 :group 'gnus-group-visual
1255 (defcustom gnus-group-use-permanent-levels nil
1256 "*If non-nil, once you set a level, Gnus will use this level."
1257 :group 'gnus-group-levels
1262 (defcustom gnus-load-hook nil
1263 "A hook run while Gnus is loaded."
1267 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1268 "A hook called to apply kill files to a group.
1269 This hook is intended to apply a kill file to the selected newsgroup.
1270 The function `gnus-apply-kill-file' is called by default.
1272 Since a general kill file is too heavy to use only for a few
1273 newsgroups, I recommend you to use a lighter hook function. For
1274 example, if you'd like to apply a kill file to articles which contains
1275 a string `rmgroup' in subject in newsgroup `control', you can use the
1278 (setq gnus-apply-kill-hook
1281 (cond ((string-match \"control\" gnus-newsgroup-name)
1282 (gnus-kill \"Subject\" \"rmgroup\")
1283 (gnus-expunge \"X\"))))))"
1284 :group 'gnus-score-kill
1285 :options '(gnus-apply-kill-file)
1288 (defcustom gnus-group-change-level-function nil
1289 "Function run when a group level is changed.
1290 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1291 :group 'gnus-group-level
1296 (defcustom gnus-visual
1297 '(summary-highlight group-highlight article-highlight
1299 summary-menu group-menu article-menu
1300 tree-highlight menu highlight
1301 browse-menu server-menu
1302 page-marker tree-menu binary-menu pick-menu
1304 "*Enable visual features.
1305 If `visual' is disabled, there will be no menus and few faces. Most of
1306 the visual customization options below will be ignored. Gnus will use
1307 less space and be faster as a result.
1309 This variable can also be a list of visual elements to switch on. For
1310 instance, to switch off all visual things except menus, you can say:
1312 (setq gnus-visual '(menu))
1314 Valid elements include `summary-highlight', `group-highlight',
1315 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1316 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1317 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1318 and `grouplens-menu'."
1321 :type '(set (const summary-highlight)
1322 (const group-highlight)
1323 (const article-highlight)
1325 (const summary-menu)
1327 (const article-menu)
1328 (const tree-highlight)
1337 (const grouplens-menu)))
1339 (defcustom gnus-mouse-face
1341 (if (gnus-visual-p 'mouse-face 'highlight)
1342 (if (boundp 'gnus-mouse-face)
1343 (or gnus-mouse-face 'highlight)
1347 "*Face used for group or summary buffer mouse highlighting.
1348 The line beneath the mouse pointer will be highlighted with this
1353 (defcustom gnus-article-display-hook
1354 (if (and (string-match "XEmacs" emacs-version)
1356 '(gnus-article-hide-headers-if-wanted
1357 gnus-article-hide-boring-headers
1358 gnus-article-treat-overstrike
1359 gnus-article-maybe-highlight
1360 gnus-article-display-x-face)
1361 '(gnus-article-hide-headers-if-wanted
1362 gnus-article-hide-boring-headers
1363 gnus-article-treat-overstrike
1364 gnus-article-maybe-highlight))
1365 "*Controls how the article buffer will look.
1367 If you leave the list empty, the article will appear exactly as it is
1368 stored on the disk. The list entries will hide or highlight various
1369 parts of the article, making it easier to find the information you
1371 :group 'gnus-article-highlight
1374 :options '(gnus-article-add-buttons
1375 gnus-article-add-buttons-to-head
1376 gnus-article-emphasize
1377 gnus-article-fill-cited-article
1378 gnus-article-remove-cr
1379 gnus-summary-stop-page-breaking
1380 ;; gnus-summary-caesar-message
1381 ;; gnus-summary-verbose-headers
1382 gnus-summary-toggle-mime
1384 gnus-article-hide-headers
1385 gnus-article-hide-boring-headers
1386 gnus-article-hide-signature
1387 gnus-article-hide-citation
1388 gnus-article-hide-pgp
1389 gnus-article-hide-pem
1390 gnus-article-highlight
1391 gnus-article-highlight-headers
1392 gnus-article-highlight-citation
1393 gnus-article-highlight-signature
1394 gnus-article-date-ut
1395 gnus-article-date-local
1396 gnus-article-date-lapsed
1397 gnus-article-date-original
1398 gnus-article-remove-trailing-blank-lines
1399 gnus-article-strip-leading-blank-lines
1400 gnus-article-strip-multiple-blank-lines
1401 gnus-article-strip-blank-lines
1402 gnus-article-treat-overstrike
1403 gnus-article-display-x-face
1404 gnus-smiley-display))
1406 (defcustom gnus-article-save-directory gnus-directory
1407 "*Name of the directory articles will be saved in (default \"~/News\")."
1408 :group 'gnus-article-saving
1411 (defvar gnus-plugged t
1412 "Whether Gnus is plugged or not.")
1415 ;;; Internal variables
1417 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1418 (defvar gnus-original-article-buffer " *Original Article*")
1419 (defvar gnus-newsgroup-name nil)
1420 (defvar gnus-ephemeral-servers nil)
1422 (defvar gnus-agent nil
1423 "Whether we want to use the Gnus agent or not.")
1425 (defvar gnus-command-method nil
1426 "Dynamically bound variable that says what the current backend is.")
1428 (defvar gnus-current-select-method nil
1429 "The current method for selecting a newsgroup.")
1431 (defvar gnus-tree-buffer "*Tree*"
1432 "Buffer where Gnus thread trees are displayed.")
1435 (defvar gnus-use-generic-from nil)
1437 ;; Variable holding the user answers to all method prompts.
1438 (defvar gnus-method-history nil)
1440 ;; Variable holding the user answers to all mail method prompts.
1441 (defvar gnus-mail-method-history nil)
1443 ;; Variable holding the user answers to all group prompts.
1444 (defvar gnus-group-history nil)
1446 (defvar gnus-server-alist nil
1447 "List of available servers.")
1449 (defcustom gnus-cache-directory
1450 (nnheader-concat gnus-directory "cache/")
1451 "*The directory where cached articles will be stored."
1455 (defvar gnus-predefined-server-alist
1458 (nnspool-spool-directory ,gnus-cache-directory)
1459 (nnspool-nov-directory ,gnus-cache-directory)
1460 (nnspool-active-file
1461 ,(nnheader-concat gnus-cache-directory "active"))))
1462 "List of predefined (convenience) servers.")
1464 (defvar gnus-topic-indentation "") ;; Obsolete variable.
1466 (defconst gnus-article-mark-lists
1467 '((marked . tick) (replied . reply)
1468 (expirable . expire) (killed . killed)
1469 (bookmarks . bookmark) (dormant . dormant)
1470 (scored . score) (saved . save)
1471 (cached . cache) (downloadable . download)
1472 (unsendable . unsend)))
1474 (defvar gnus-headers-retrieved-by nil)
1475 (defvar gnus-article-reply nil)
1476 (defvar gnus-override-method nil)
1477 (defvar gnus-article-check-size nil)
1478 (defvar gnus-opened-servers nil)
1480 (defvar gnus-current-kill-article nil)
1482 (defvar gnus-have-read-active-file nil)
1484 (defconst gnus-maintainer
1485 "bugs@gnus.org (The Gnus Bugfixing Girls + Boys)"
1486 "The mail address of the Gnus maintainers.")
1488 (defconst semi-gnus-developers
1489 "Semi-gnus Developers:
1490 semi-gnus-en@meadow.scphys.kyoto-u.ac.jp (In English),\
1491 semi-gnus-ja@meadow.scphys.kyoto-u.ac.jp (In Japanese);"
1492 "The mail address of the Semi-gnus developers.")
1494 (defvar gnus-info-nodes
1495 '((gnus-group-mode "(gnus)The Group Buffer")
1496 (gnus-summary-mode "(gnus)The Summary Buffer")
1497 (gnus-article-mode "(gnus)The Article Buffer")
1498 (mime/viewer-mode "(gnus)The Article Buffer")
1499 (gnus-server-mode "(gnus)The Server Buffer")
1500 (gnus-browse-mode "(gnus)Browse Foreign Server")
1501 (gnus-tree-mode "(gnus)Tree Display"))
1502 "Alist of major modes and related Info nodes.")
1504 (defvar gnus-group-buffer "*Group*")
1505 (defvar gnus-summary-buffer "*Summary*")
1506 (defvar gnus-article-buffer "*Article*")
1507 (defvar gnus-server-buffer "*Server*")
1509 (defvar gnus-slave nil
1510 "Whether this Gnus is a slave or not.")
1512 (defvar gnus-batch-mode nil
1513 "Whether this Gnus is running in batch mode or not.")
1515 (defvar gnus-variable-list
1516 '(gnus-newsrc-options gnus-newsrc-options-n
1517 gnus-newsrc-last-checked-date
1518 gnus-newsrc-alist gnus-server-alist
1519 gnus-killed-list gnus-zombie-list
1520 gnus-topic-topology gnus-topic-alist
1522 "Gnus variables saved in the quick startup file.")
1524 (defvar gnus-newsrc-alist nil
1525 "Assoc list of read articles.
1526 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1528 (defvar gnus-newsrc-hashtb nil
1529 "Hashtable of gnus-newsrc-alist.")
1531 (defvar gnus-killed-list nil
1532 "List of killed newsgroups.")
1534 (defvar gnus-killed-hashtb nil
1535 "Hash table equivalent of gnus-killed-list.")
1537 (defvar gnus-zombie-list nil
1538 "List of almost dead newsgroups.")
1540 (defvar gnus-description-hashtb nil
1541 "Descriptions of newsgroups.")
1543 (defvar gnus-list-of-killed-groups nil
1544 "List of newsgroups that have recently been killed by the user.")
1546 (defvar gnus-active-hashtb nil
1547 "Hashtable of active articles.")
1549 (defvar gnus-moderated-hashtb nil
1550 "Hashtable of moderated newsgroups.")
1552 ;; Save window configuration.
1553 (defvar gnus-prev-winconf nil)
1555 (defvar gnus-reffed-article-number nil)
1557 ;;; Let the byte-compiler know that we know about this variable.
1558 (defvar rmail-default-rmail-file)
1560 (defvar gnus-dead-summary nil)
1562 ;;; End of variables.
1564 ;; Define some autoload functions Gnus might use.
1567 ;; This little mapcar goes through the list below and marks the
1568 ;; symbols in question as autoloaded functions.
1571 (let ((interactive (nth 1 (memq ':interactive package))))
1575 (when (consp function)
1576 (setq keymap (car (memq 'keymap function)))
1577 (setq function (car function)))
1578 (autoload function (car package) nil interactive keymap)))
1579 (if (eq (nth 1 package) ':interactive)
1582 '(("info" Info-goto-node)
1583 ("hexl" hexl-hex-string-to-integer)
1584 ("pp" pp pp-to-string pp-eval-expression)
1585 ("ps-print" ps-print-preprint)
1586 ("mail-extr" mail-extract-address-components)
1587 ("browse-url" browse-url)
1588 ("message" :interactive t
1589 message-send-and-exit message-yank-original)
1590 ("nnmail" nnmail-split-fancy nnmail-article-group nnmail-date-to-time)
1591 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1592 ("timezone" timezone-make-date-arpa-standard timezone-fix-time
1593 timezone-make-sortable-date timezone-make-time-string)
1594 ("rmailout" rmail-output)
1595 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1596 rmail-show-message rmail-summary-exists
1597 rmail-select-summary rmail-update-summary)
1598 ("gnus-audio" :interactive t gnus-audio-play)
1599 ("gnus-xmas" gnus-xmas-splash)
1600 ("gnus-soup" :interactive t
1601 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1602 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1603 ("nnsoup" nnsoup-pack-replies)
1604 ("score-mode" :interactive t gnus-score-mode)
1605 ("gnus-mh" gnus-summary-save-article-folder
1606 gnus-Folder-save-name gnus-folder-save-name)
1607 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1608 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1609 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1610 gnus-demon-add-disconnection gnus-demon-add-handler
1611 gnus-demon-remove-handler)
1612 ("gnus-demon" :interactive t
1613 gnus-demon-init gnus-demon-cancel)
1614 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1615 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1616 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1617 gnus-nocem-unwanted-article-p)
1618 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1619 gnus-server-server-name)
1620 ("gnus-srvr" gnus-browse-foreign-server)
1621 ("gnus-cite" :interactive t
1622 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1623 gnus-article-hide-citation gnus-article-fill-cited-article
1624 gnus-article-hide-citation-in-followups)
1625 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1626 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1627 gnus-execute gnus-expunge)
1628 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1629 gnus-cache-possibly-remove-articles gnus-cache-request-article
1630 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1631 gnus-cache-enter-remove-article gnus-cached-article-p
1632 gnus-cache-open gnus-cache-close gnus-cache-update-article)
1633 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1634 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1635 ("gnus-score" :interactive t
1636 gnus-summary-increase-score gnus-summary-set-score
1637 gnus-summary-raise-thread gnus-summary-raise-same-subject
1638 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1639 gnus-summary-lower-thread gnus-summary-lower-same-subject
1640 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1641 gnus-summary-current-score gnus-score-default
1642 gnus-score-flush-cache gnus-score-close
1643 gnus-possibly-score-headers gnus-score-followup-article
1644 gnus-score-followup-thread)
1646 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1647 gnus-current-score-file-nondirectory gnus-score-adaptive
1648 gnus-score-find-trace gnus-score-file-name)
1649 ("gnus-cus" :interactive t gnus-group-customize gnus-score-customize)
1650 ("gnus-topic" :interactive t gnus-topic-mode)
1651 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters)
1652 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1653 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1654 ("gnus-uu" :interactive t
1655 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1656 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1657 gnus-uu-mark-by-regexp gnus-uu-mark-all
1658 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1659 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1660 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1661 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1662 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1663 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1664 gnus-uu-decode-binhex-view gnus-uu-unmark-thread
1665 gnus-uu-mark-over gnus-uu-post-news gnus-uu-post-news)
1666 ("gnus-uu" gnus-uu-delete-work-dir gnus-quote-arg-for-sh-or-csh
1667 gnus-uu-unmark-thread)
1668 ("gnus-msg" (gnus-summary-send-map keymap)
1669 gnus-article-mail gnus-copy-article-buffer gnus-extended-version)
1670 ("gnus-msg" :interactive t
1671 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1672 gnus-summary-followup gnus-summary-followup-with-original
1673 gnus-summary-cancel-article gnus-summary-supersede-article
1674 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1675 gnus-summary-mail-forward gnus-summary-mail-other-window
1676 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1677 gnus-summary-wide-reply gnus-summary-followup-to-mail
1678 gnus-summary-followup-to-mail-with-original gnus-bug
1679 gnus-summary-wide-reply-with-original
1680 gnus-summary-post-forward gnus-summary-wide-reply-with-original
1681 gnus-summary-post-forward)
1682 ("gnus-picon" :interactive t gnus-article-display-picons
1683 gnus-group-display-picons gnus-picons-article-display-x-face
1684 gnus-picons-display-x-face)
1685 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1686 gnus-grouplens-mode)
1687 ("smiley" :interactive t gnus-smiley-display)
1688 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1689 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1690 gnus-list-of-unread-articles gnus-list-of-read-articles
1691 gnus-offer-save-summaries gnus-make-thread-indent-array
1692 gnus-summary-exit gnus-update-read-articles gnus-summary-last-subject
1693 gnus-summary-skip-intangible gnus-summary-article-number
1694 gnus-data-header gnus-data-find)
1695 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1696 gnus-group-list-groups gnus-group-first-unread-group
1697 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1698 gnus-group-setup-buffer gnus-group-get-new-news
1699 gnus-group-make-help-group gnus-group-update-group
1700 gnus-clear-inboxes-moved gnus-group-iterate
1701 gnus-group-group-name)
1702 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1703 gnus-backlog-remove-article)
1704 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1705 gnus-article-prepare gnus-article-set-window-start
1706 gnus-article-next-page gnus-article-prev-page
1707 gnus-request-article-this-buffer gnus-article-mode
1708 gnus-article-setup-buffer gnus-narrow-to-page
1709 gnus-article-delete-invisible-text gnus-hack-decode-rfc1522)
1710 ("gnus-art" :interactive t
1711 gnus-article-hide-headers gnus-article-hide-boring-headers
1712 gnus-article-treat-overstrike gnus-article-word-wrap
1713 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1714 gnus-article-display-x-face
1715 gnus-article-mime-decode-quoted-printable gnus-article-hide-pgp
1716 gnus-article-hide-pem gnus-article-hide-signature
1717 gnus-article-strip-leading-blank-lines gnus-article-date-local
1718 gnus-article-date-original gnus-article-date-lapsed
1719 gnus-article-show-all-headers
1720 gnus-article-edit-mode gnus-article-edit-article
1721 gnus-article-edit-done gnus-decode-rfc1522 article-decode-rfc1522
1722 gnus-start-date-timer gnus-stop-date-timer)
1723 ("gnus-int" gnus-request-type)
1724 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1725 gnus-dribble-enter gnus-read-init-file gnus-dribble-touch)
1726 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1727 gnus-dup-enter-articles)
1728 ("gnus-range" gnus-copy-sequence)
1729 ("gnus-eform" gnus-edit-form)
1730 ("gnus-move" :interactive t
1731 gnus-group-move-group-to-server gnus-change-server)
1732 ("gnus-logic" gnus-score-advanced)
1733 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1734 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1735 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1736 gnus-async-halt-prefetch)
1737 ("gnus-agent" gnus-open-agent gnus-agent-get-function
1738 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
1739 gnus-agent-get-undownloaded-list gnus-agent-fetch-session
1740 gnus-summary-set-agent-mark gnus-agent-save-group-info)
1741 ("gnus-agent" :interactive t
1742 gnus-unplugged gnus-agentize gnus-agent-batch)
1743 ("gnus-vm" :interactive t gnus-summary-save-in-vm
1744 gnus-summary-save-article-vm)
1745 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-drafts))))
1747 ;;; gnus-sum.el thingies
1750 (defcustom gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
1751 "*The format specification of the lines in the summary buffer.
1753 It works along the same lines as a normal formatting string,
1754 with some simple extensions.
1756 %N Article number, left padded with spaces (string)
1758 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1759 %n Name of the poster (string)
1760 %a Extracted name of the poster (string)
1761 %A Extracted address of the poster (string)
1762 %F Contents of the From: header (string)
1763 %x Contents of the Xref: header (string)
1764 %D Date of the article (string)
1765 %d Date of the article (string) in DD-MMM format
1766 %M Message-id of the article (string)
1767 %r References of the article (string)
1768 %c Number of characters in the article (integer)
1769 %L Number of lines in the article (integer)
1770 %I Indentation based on thread level (a string of spaces)
1771 %T A string with two possible values: 80 spaces if the article
1772 is on thread level two or larger and 0 spaces on level one
1773 %R \"A\" if this article has been replied to, \" \" otherwise (character)
1774 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
1775 %[ Opening bracket (character, \"[\" or \"<\")
1776 %] Closing bracket (character, \"]\" or \">\")
1777 %> Spaces of length thread-level (string)
1778 %< Spaces of length (- 20 thread-level) (string)
1779 %i Article score (number)
1780 %z Article zcore (character)
1781 %t Number of articles under the current thread (number).
1782 %e Whether the thread is empty or not (character).
1783 %l GroupLens score (string).
1784 %V Total thread score (number).
1785 %P The line number (number).
1786 %O Download mark (character).
1787 %u User defined specifier. The next character in the format string should
1788 be a letter. Gnus will call the function gnus-user-format-function-X,
1789 where X is the letter following %u. The function will be passed the
1790 current header as argument. The function should return a string, which
1791 will be inserted into the summary just like information from any other
1794 Text between %( and %) will be highlighted with `gnus-mouse-face'
1795 when the mouse point is placed inside the area. There can only be one
1798 The %U (status), %R (replied) and %z (zcore) specs have to be handled
1799 with care. For reasons of efficiency, Gnus will compute what column
1800 these characters will end up in, and \"hard-code\" that. This means that
1801 it is illegal to have these specs after a variable-length spec. Well,
1802 you might not be arrested, but your summary buffer will look strange,
1803 which is bad enough.
1805 The smart choice is to have these specs as for to the left as
1808 This restriction may disappear in later versions of Gnus."
1810 :group 'gnus-summary-format)
1813 ;;; Skeleton keymaps
1816 (defun gnus-suppress-keymap (keymap)
1817 (suppress-keymap keymap)
1818 (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
1820 (define-key keymap (pop keys) 'undefined))))
1822 (defvar gnus-article-mode-map
1823 (let ((keymap (make-keymap)))
1824 (gnus-suppress-keymap keymap)
1826 (defvar gnus-summary-mode-map
1827 (let ((keymap (make-keymap)))
1828 (gnus-suppress-keymap keymap)
1830 (defvar gnus-group-mode-map
1831 (let ((keymap (make-keymap)))
1832 (gnus-suppress-keymap keymap)
1837 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
1838 ;; If you want the cursor to go somewhere else, set these two
1839 ;; functions in some startup hook to whatever you want.
1840 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
1841 (defalias 'gnus-group-position-point 'gnus-goto-colon)
1843 ;;; Various macros and substs.
1845 (defun gnus-header-from (header)
1846 (mail-header-from header))
1848 (defmacro gnus-gethash (string hashtable)
1849 "Get hash value of STRING in HASHTABLE."
1850 `(symbol-value (intern-soft ,string ,hashtable)))
1852 (defmacro gnus-sethash (string value hashtable)
1853 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
1854 `(set (intern ,string ,hashtable) ,value))
1855 (put 'gnus-sethash 'edebug-form-spec '(form form form))
1857 (defmacro gnus-group-unread (group)
1858 "Get the currently computed number of unread articles in GROUP."
1859 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
1861 (defmacro gnus-group-entry (group)
1862 "Get the newsrc entry for GROUP."
1863 `(gnus-gethash ,group gnus-newsrc-hashtb))
1865 (defmacro gnus-active (group)
1866 "Get active info on GROUP."
1867 `(gnus-gethash ,group gnus-active-hashtb))
1869 (defmacro gnus-set-active (group active)
1870 "Set GROUP's active info."
1871 `(gnus-sethash ,group ,active gnus-active-hashtb))
1873 ;; Info access macros.
1875 (defmacro gnus-info-group (info)
1877 (defmacro gnus-info-rank (info)
1879 (defmacro gnus-info-read (info)
1881 (defmacro gnus-info-marks (info)
1883 (defmacro gnus-info-method (info)
1885 (defmacro gnus-info-params (info)
1888 (defmacro gnus-info-level (info)
1889 `(let ((rank (gnus-info-rank ,info)))
1893 (defmacro gnus-info-score (info)
1894 `(let ((rank (gnus-info-rank ,info)))
1895 (or (and (consp rank) (cdr rank)) 0)))
1897 (defmacro gnus-info-set-group (info group)
1898 `(setcar ,info ,group))
1899 (defmacro gnus-info-set-rank (info rank)
1900 `(setcar (nthcdr 1 ,info) ,rank))
1901 (defmacro gnus-info-set-read (info read)
1902 `(setcar (nthcdr 2 ,info) ,read))
1903 (defmacro gnus-info-set-marks (info marks &optional extend)
1905 `(gnus-info-set-entry ,info ,marks 3)
1906 `(setcar (nthcdr 3 ,info) ,marks)))
1907 (defmacro gnus-info-set-method (info method &optional extend)
1909 `(gnus-info-set-entry ,info ,method 4)
1910 `(setcar (nthcdr 4 ,info) ,method)))
1911 (defmacro gnus-info-set-params (info params &optional extend)
1913 `(gnus-info-set-entry ,info ,params 5)
1914 `(setcar (nthcdr 5 ,info) ,params)))
1916 (defun gnus-info-set-entry (info entry number)
1917 ;; Extend the info until we have enough elements.
1918 (while (<= (length info) number)
1919 (nconc info (list nil)))
1921 (setcar (nthcdr number info) entry))
1923 (defmacro gnus-info-set-level (info level)
1924 `(let ((rank (cdr ,info)))
1925 (if (consp (car rank))
1926 (setcar (car rank) ,level)
1927 (setcar rank ,level))))
1928 (defmacro gnus-info-set-score (info score)
1929 `(let ((rank (cdr ,info)))
1930 (if (consp (car rank))
1931 (setcdr (car rank) ,score)
1932 (setcar rank (cons (car rank) ,score)))))
1934 (defmacro gnus-get-info (group)
1935 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
1937 ;; Byte-compiler warning.
1938 (defvar gnus-visual)
1939 ;; Find out whether the gnus-visual TYPE is wanted.
1940 (defun gnus-visual-p (&optional type class)
1941 (and gnus-visual ; Has to be non-nil, at least.
1942 (if (not type) ; We don't care about type.
1944 (if (listp gnus-visual) ; It's a list, so we check it.
1945 (or (memq type gnus-visual)
1946 (memq class gnus-visual))
1949 ;;; Load the compatability functions.
1958 (defvar gnus-shutdown-alist nil)
1960 (defun gnus-add-shutdown (function &rest symbols)
1961 "Run FUNCTION whenever one of SYMBOLS is shut down."
1962 (push (cons function symbols) gnus-shutdown-alist))
1964 (defun gnus-shutdown (symbol)
1965 "Shut down everything that waits for SYMBOL."
1966 (let ((alist gnus-shutdown-alist)
1968 (while (setq entry (pop alist))
1969 (when (memq symbol (cdr entry))
1970 (funcall (car entry))))))
1974 ;;; Gnus Utility Functions
1978 (defmacro gnus-string-or (&rest strings)
1979 "Return the first element of STRINGS that is a non-blank string.
1980 STRINGS will be evaluated in normal `or' order."
1981 `(gnus-string-or-1 ',strings))
1983 (defun gnus-string-or-1 (strings)
1986 (setq string (eval (pop strings)))
1987 (if (string-match "^[ \t]*$" string)
1989 (setq strings nil)))
1992 (defun gnus-version (&optional arg)
1993 "Version number of this version of Gnus.
1994 If ARG, insert string at point."
1997 (insert (message gnus-version))
1998 (message gnus-version)))
2000 (defun gnus-continuum-version (version)
2001 "Return VERSION as a floating point number."
2002 (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version)
2003 (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version))
2004 (let ((alpha (and (match-beginning 1) (match-string 1 version)))
2005 (number (match-string 2 version))
2007 (unless (string-match
2008 "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number)
2009 (error "Invalid version string: %s" version))
2010 (setq major (string-to-number (match-string 1 number))
2011 minor (string-to-number (match-string 2 number))
2012 least (if (match-beginning 3)
2013 (string-to-number (match-string 3 number))
2017 (format "%s00%02d%02d"
2019 ((member alpha '("(ding)" "d")) "4.99")
2020 ((member alpha '("September" "s")) "5.01")
2021 ((member alpha '("Red" "r")) "5.03")
2022 ((member alpha '("Quassia" "q")) "5.05")
2023 ((member alpha '("p")) "5.07")
2024 ((member alpha '("o")) "5.09")
2025 ((member alpha '("n")) "5.11"))
2027 (format "%d.%02d%02d" major minor least))))))
2029 (defun gnus-info-find-node ()
2030 "Find Info documentation of Gnus."
2032 ;; Enlarge info window if needed.
2033 (let (gnus-info-buffer)
2034 (Info-goto-node (cadr (assq major-mode gnus-info-nodes)))
2035 (setq gnus-info-buffer (current-buffer))
2036 (gnus-configure-windows 'info)))
2039 ;;; gnus-interactive
2042 (defvar gnus-current-prefix-symbol nil
2043 "Current prefix symbol.")
2045 (defvar gnus-current-prefix-symbols nil
2046 "List of current prefix symbols.")
2048 (defun gnus-interactive (string &optional params)
2049 "Return a list that can be fed to `interactive'.
2050 See `interactive' for full documentation.
2052 Adds the following specs:
2054 y -- The current symbolic prefix.
2055 Y -- A list of the current symbolic prefix(es).
2056 A -- Article number.
2057 H -- Article header.
2061 (while (< i (length string))
2062 (string-match ".\\([^\n]*\\)\n?" string i)
2063 (setq c (aref string i))
2065 (setq prompt (match-string 1 string)))
2066 (setq i (match-end 0))
2067 ;; We basically emulate just about everything that
2068 ;; `interactive' does, but add the specs listed above.
2072 (completing-read prompt obarray 'fboundp t))
2074 (read-buffer prompt (current-buffer) t))
2076 (read-buffer prompt (other-buffer (current-buffer))))
2080 (completing-read prompt obarray 'commandp t))
2084 (read-file-name prompt nil default-directory 'lambda))
2086 (read-file-name prompt nil nil 'lambda))
2088 (read-file-name prompt))
2090 (read-key-sequence prompt))
2092 (error "Not implemented spec"))
2094 (error "Not implemented spec"))
2098 (error "Not implemented spec"))
2100 (string-to-number (read-from-minibuffer prompt)))
2102 (prefix-numeric-value current-prefix-arg))
2108 (read-string prompt))
2110 (intern (read-string prompt)))
2112 (read-variable prompt))
2114 (read-minibuffer prompt))
2116 (eval-minibuffer prompt))
2117 ;; And here the new specs come.
2119 gnus-current-prefix-symbol)
2121 gnus-current-prefix-symbols)
2123 (gnus-group-group-name))
2125 (gnus-summary-skip-intangible)
2126 (or (get-text-property (point) 'gnus-number)
2127 (gnus-summary-last-subject)))
2129 (gnus-data-header (gnus-data-find (gnus-summary-article-number))))
2131 (error "Non-implemented spec")))
2135 (push (if (< (point) (mark) (point) (mark))) out)
2136 (push (if (> (point) (mark) (point) (mark))) out))))
2137 (setq out (delq 'gnus-prefix-nil out))
2140 (defun gnus-symbolic-argument (&optional arg)
2141 "Read a symbolic argument and a command, and then execute command."
2143 (let* ((in-command (this-command-keys))
2144 (command in-command)
2145 gnus-current-prefix-symbols
2146 gnus-current-prefix-symbol
2148 (while (equal in-command command)
2149 (message "%s-" (key-description (this-command-keys)))
2150 (push (intern (char-to-string (read-char))) syms)
2151 (setq command (read-key-sequence nil t)))
2152 (setq gnus-current-prefix-symbols (nreverse syms)
2153 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2154 (call-interactively (key-binding command t))))
2156 ;;; More various functions.
2158 (defsubst gnus-check-backend-function (func group)
2159 "Check whether GROUP supports function FUNC.
2160 GROUP can either be a string (a group name) or a select method."
2162 (let ((method (if (stringp group)
2163 (car (gnus-find-method-for-group group))
2165 (unless (featurep method)
2167 (fboundp (intern (format "%s-%s" method func))))))
2169 (defun gnus-group-read-only-p (&optional group)
2170 "Check whether GROUP supports editing or not.
2171 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2172 that that variable is buffer-local to the summary buffers."
2173 (let ((group (or group gnus-newsgroup-name)))
2174 (not (gnus-check-backend-function 'request-replace-article group))))
2176 (defun gnus-group-total-expirable-p (group)
2177 "Check whether GROUP is total-expirable or not."
2178 (let ((params (gnus-group-find-parameter group))
2181 ((memq 'total-expire params)
2183 ((setq val (assq 'total-expire params)) ; (auto-expire . t)
2185 (gnus-total-expirable-newsgroups ; Check var.
2186 (string-match gnus-total-expirable-newsgroups group)))))
2188 (defun gnus-group-auto-expirable-p (group)
2189 "Check whether GROUP is auto-expirable or not."
2190 (let ((params (gnus-group-find-parameter group))
2193 ((memq 'auto-expire params)
2195 ((setq val (assq 'auto-expire params)) ; (auto-expire . t)
2197 (gnus-auto-expirable-newsgroups ; Check var.
2198 (string-match gnus-auto-expirable-newsgroups group)))))
2200 (defun gnus-virtual-group-p (group)
2201 "Say whether GROUP is virtual or not."
2202 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2203 gnus-valid-select-methods)))
2205 (defun gnus-news-group-p (group &optional article)
2206 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2207 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
2208 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
2209 (if (or (null article)
2210 (not (< article 0)))
2211 (eq (gnus-request-type group article) 'news)
2212 (if (not (vectorp article))
2214 ;; It's a real article.
2215 (eq (gnus-request-type group (mail-header-id article))
2218 ;; Returns a list of writable groups.
2219 (defun gnus-writable-groups ()
2220 (let ((alist gnus-newsrc-alist)
2222 (while (setq group (car (pop alist)))
2223 (unless (gnus-group-read-only-p group)
2224 (push group groups)))
2227 ;; Check whether to use long file names.
2228 (defun gnus-use-long-file-name (symbol)
2229 ;; The variable has to be set...
2230 (and gnus-use-long-file-name
2231 ;; If it isn't a list, then we return t.
2232 (or (not (listp gnus-use-long-file-name))
2233 ;; If it is a list, and the list contains `symbol', we
2235 (not (memq symbol gnus-use-long-file-name)))))
2237 ;; Generate a unique new group name.
2238 (defun gnus-generate-new-group-name (leaf)
2241 (while (gnus-gethash name gnus-newsrc-hashtb)
2242 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2245 (defun gnus-ephemeral-group-p (group)
2246 "Say whether GROUP is ephemeral or not."
2247 (gnus-group-get-parameter group 'quit-config t))
2249 (defun gnus-group-quit-config (group)
2250 "Return the quit-config of GROUP."
2251 (gnus-group-get-parameter group 'quit-config t))
2253 (defun gnus-kill-ephemeral-group (group)
2254 "Remove ephemeral GROUP from relevant structures."
2255 (gnus-sethash group nil gnus-newsrc-hashtb))
2257 (defun gnus-simplify-mode-line ()
2258 "Make mode lines a bit simpler."
2259 (setq mode-line-modified (cdr gnus-mode-line-modified))
2260 (when (listp mode-line-format)
2261 (make-local-variable 'mode-line-format)
2262 (setq mode-line-format (copy-sequence mode-line-format))
2263 (when (equal (nth 3 mode-line-format) " ")
2264 (setcar (nthcdr 3 mode-line-format) " "))))
2266 ;;; Servers and groups.
2268 (defsubst gnus-server-add-address (method)
2269 (let ((method-name (symbol-name (car method))))
2270 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2271 (not (assq (intern (concat method-name "-address")) method))
2272 (memq 'physical-address (assq (car method)
2273 gnus-valid-select-methods)))
2274 (append method (list (list (intern (concat method-name "-address"))
2278 (defsubst gnus-server-get-method (group method)
2279 ;; Input either a server name, and extended server name, or a
2280 ;; select method, and return a select method.
2281 (cond ((stringp method)
2282 (gnus-server-to-method method))
2283 ((equal method gnus-select-method)
2285 ((and (stringp (car method))
2287 (gnus-server-extend-method group method))
2290 (equal (cadr method) ""))
2293 (gnus-server-add-address method))))
2295 (defun gnus-server-to-method (server)
2296 "Map virtual server names to select methods."
2298 ;; Is this a method, perhaps?
2299 (and server (listp server) server)
2300 ;; Perhaps this is the native server?
2301 (and (equal server "native") gnus-select-method)
2302 ;; It should be in the server alist.
2303 (cdr (assoc server gnus-server-alist))
2304 ;; It could be in the predefined server alist.
2305 (cdr (assoc server gnus-predefined-server-alist))
2306 ;; If not, we look through all the opened server
2307 ;; to see whether we can find it there.
2308 (let ((opened gnus-opened-servers))
2310 (not (equal server (format "%s:%s" (caaar opened)
2315 (defmacro gnus-method-equal (ss1 ss2)
2316 "Say whether two servers are equal."
2320 (and (= (length s1) (length s2))
2322 (while (and s1 (member (car s1) s2))
2326 (defun gnus-server-equal (m1 m2)
2327 "Say whether two methods are equal."
2328 (let ((m1 (cond ((null m1) gnus-select-method)
2329 ((stringp m1) (gnus-server-to-method m1))
2331 (m2 (cond ((null m2) gnus-select-method)
2332 ((stringp m2) (gnus-server-to-method m2))
2334 (gnus-method-equal m1 m2)))
2336 (defun gnus-servers-using-backend (backend)
2337 "Return a list of known servers using BACKEND."
2338 (let ((opened gnus-opened-servers)
2341 (when (eq backend (caaar opened))
2342 (push (caar opened) out))
2346 (defun gnus-archive-server-wanted-p ()
2347 "Say whether the user wants to use the archive server."
2349 ((or (not gnus-message-archive-method)
2350 (not gnus-message-archive-group))
2352 ((and gnus-message-archive-method gnus-message-archive-group)
2355 (let ((active (cadr (assq 'nnfolder-active-file
2356 gnus-message-archive-method))))
2358 (file-exists-p active))))))
2360 (defun gnus-group-prefixed-name (group method)
2361 "Return the whole name from GROUP and METHOD."
2362 (and (stringp method) (setq method (gnus-server-to-method method)))
2363 (if (or (not method)
2364 (gnus-server-equal method "native"))
2366 (concat (format "%s" (car method))
2368 (or (assoc (format "%s" (car method))
2369 (gnus-methods-using 'address))
2370 (gnus-server-equal method gnus-message-archive-method))
2372 (not (string= (nth 1 method) "")))
2373 (concat "+" (nth 1 method)))
2376 (defun gnus-group-real-prefix (group)
2377 "Return the prefix of the current group name."
2378 (if (string-match "^[^:]+:" group)
2379 (substring group 0 (match-end 0))
2382 (defun gnus-group-method (group)
2383 "Return the server or method used for selecting GROUP.
2384 You should probably use `gnus-find-method-for-group' instead."
2385 (let ((prefix (gnus-group-real-prefix group)))
2386 (if (equal prefix "")
2388 (let ((servers gnus-opened-servers)
2390 backend possible found)
2391 (if (string-match "^[^\\+]+\\+" prefix)
2392 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2393 server (substring prefix (match-end 0) (1- (length prefix))))
2394 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2396 (when (eq (caaar servers) backend)
2397 (setq possible (caar servers))
2398 (when (equal (cadaar servers) server)
2399 (setq found (caar servers))))
2401 (or (car (rassoc found gnus-server-alist))
2403 (car (rassoc possible gnus-server-alist))
2405 (list backend server))))))
2407 (defsubst gnus-secondary-method-p (method)
2408 "Return whether METHOD is a secondary select method."
2409 (let ((methods gnus-secondary-select-methods)
2410 (gmethod (gnus-server-get-method nil method)))
2412 (not (equal (gnus-server-get-method nil (car methods))
2414 (setq methods (cdr methods)))
2417 (defun gnus-groups-from-server (server)
2418 "Return a list of all groups that are fetched from SERVER."
2419 (let ((alist (cdr gnus-newsrc-alist))
2421 (while (setq info (pop alist))
2422 (when (gnus-server-equal (gnus-info-method info) server)
2423 (push (gnus-info-group info) groups)))
2424 (sort groups 'string<)))
2426 (defun gnus-group-foreign-p (group)
2427 "Say whether a group is foreign or not."
2428 (and (not (gnus-group-native-p group))
2429 (not (gnus-group-secondary-p group))))
2431 (defun gnus-group-native-p (group)
2432 "Say whether the group is native or not."
2433 (not (string-match ":" group)))
2435 (defun gnus-group-secondary-p (group)
2436 "Say whether the group is secondary or not."
2437 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2439 (defun gnus-group-find-parameter (group &optional symbol allow-list)
2440 "Return the group parameters for GROUP.
2441 If SYMBOL, return the value of that symbol in the group parameters."
2443 (set-buffer gnus-group-buffer)
2444 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2446 (gnus-group-parameter-value parameters symbol allow-list)
2449 (defun gnus-group-get-parameter (group &optional symbol allow-list)
2450 "Return the group parameters for GROUP.
2451 If SYMBOL, return the value of that symbol in the group parameters.
2452 Most functions should use `gnus-group-find-parameter', which
2453 also examines the topic parameters."
2454 (let ((params (gnus-info-params (gnus-get-info group))))
2456 (gnus-group-parameter-value params symbol allow-list)
2459 (defun gnus-group-parameter-value (params symbol &optional allow-list)
2460 "Return the value of SYMBOL in group PARAMS."
2461 ;; We only wish to return group parameters (dotted lists) and
2462 ;; not local variables, which may have the same names.
2463 ;; But first we handle single elements...
2464 (or (car (memq symbol params))
2468 (while (setq elem (pop params))
2469 (when (and (consp elem)
2470 (eq (car elem) symbol)
2473 (throw 'found (cdr elem))))))))
2475 (defun gnus-group-add-parameter (group param)
2476 "Add parameter PARAM to GROUP."
2477 (let ((info (gnus-get-info group)))
2479 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2480 ;; Cons the new param to the old one and update.
2481 (gnus-group-set-info (cons param (gnus-info-params info))
2484 (defun gnus-group-set-parameter (group name value)
2485 "Set parameter NAME to VALUE in GROUP."
2486 (let ((info (gnus-get-info group)))
2488 (gnus-group-remove-parameter group name)
2489 (let ((old-params (gnus-info-params info))
2490 (new-params (list (cons name value))))
2492 (when (or (not (listp (car old-params)))
2493 (not (eq (caar old-params) name)))
2494 (setq new-params (append new-params (list (car old-params)))))
2495 (setq old-params (cdr old-params)))
2496 (gnus-group-set-info new-params group 'params)))))
2498 (defun gnus-group-remove-parameter (group name)
2499 "Remove parameter NAME from GROUP."
2500 (let ((info (gnus-get-info group)))
2502 (let ((params (gnus-info-params info)))
2504 (setq params (delq name params))
2505 (while (assq name params)
2506 (gnus-pull name params))
2507 (gnus-info-set-params info params))))))
2509 (defun gnus-group-add-score (group &optional score)
2510 "Add SCORE to the GROUP score.
2511 If SCORE is nil, add 1 to the score of GROUP."
2512 (let ((info (gnus-get-info group)))
2514 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2516 ;; Function written by Stainless Steel Rat <ratinox@peorth.gweep.net>
2517 (defun gnus-short-group-name (group &optional levels)
2518 "Collapse GROUP name LEVELS.
2519 Select methods are stripped and any remote host name is stripped down to
2520 just the host name."
2527 (while (string-match "\\." group skip)
2528 (setq skip (match-end 0)
2531 ;; separate foreign select method from group name and collapse.
2532 ;; if method contains a server, collapse to non-domain server name,
2533 ;; otherwise collapse to select method
2534 (when (string-match ":" group)
2535 (cond ((string-match "+" group)
2536 (let* ((plus (string-match "+" group))
2537 (colon (string-match ":" group (or plus 0)))
2538 (dot (string-match "\\." group)))
2539 (setq foreign (concat
2540 (substring group (+ 1 plus)
2541 (cond ((null dot) colon)
2542 ((< colon dot) colon)
2543 ((< dot colon) dot)))
2545 group (substring group (+ 1 colon)))))
2547 (let* ((colon (string-match ":" group)))
2548 (setq foreign (concat (substring group 0 (+ 1 colon)))
2549 group (substring group (+ 1 colon)))))))
2550 ;; collapse group name leaving LEVELS uncollapsed elements
2552 (if (and (string-match "\\." group) (> levels 0))
2553 (setq name (concat name (substring group 0 1))
2554 group (substring group (match-end 0))
2556 name (concat name "."))
2557 (setq name (concat foreign name group)
2561 (defun gnus-narrow-to-body ()
2562 "Narrow to the body of an article."
2565 (goto-char (point-min))
2566 (or (search-forward "\n\n" nil t)
2572 ;;; Kill file handling.
2575 (defun gnus-apply-kill-file ()
2576 "Apply a kill file to the current newsgroup.
2577 Returns the number of articles marked as read."
2578 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2579 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2580 (gnus-apply-kill-file-internal)
2583 (defun gnus-kill-save-kill-buffer ()
2584 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2585 (when (get-file-buffer file)
2587 (set-buffer (get-file-buffer file))
2588 (when (buffer-modified-p)
2590 (kill-buffer (current-buffer))))))
2592 (defcustom gnus-kill-file-name "KILL"
2593 "Suffix of the kill files."
2594 :group 'gnus-score-kill
2595 :group 'gnus-score-files
2598 (defun gnus-newsgroup-kill-file (newsgroup)
2599 "Return the name of a kill file name for NEWSGROUP.
2600 If NEWSGROUP is nil, return the global kill file name instead."
2602 ;; The global KILL file is placed at top of the directory.
2603 ((or (null newsgroup)
2604 (string-equal newsgroup ""))
2605 (expand-file-name gnus-kill-file-name
2606 gnus-kill-files-directory))
2607 ;; Append ".KILL" to newsgroup name.
2608 ((gnus-use-long-file-name 'not-kill)
2609 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2610 "." gnus-kill-file-name)
2611 gnus-kill-files-directory))
2612 ;; Place "KILL" under the hierarchical directory.
2614 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2615 "/" gnus-kill-file-name)
2616 gnus-kill-files-directory))))
2620 (defun gnus-member-of-valid (symbol group)
2621 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2623 (symbol-name (car (gnus-find-method-for-group group)))
2624 gnus-valid-select-methods)))
2626 (defun gnus-method-option-p (method option)
2627 "Return non-nil if select METHOD has OPTION as a parameter."
2628 (when (stringp method)
2629 (setq method (gnus-server-to-method method)))
2630 (memq option (assoc (format "%s" (car method))
2631 gnus-valid-select-methods)))
2633 (defun gnus-similar-server-opened (method)
2634 (let ((opened gnus-opened-servers))
2635 (while (and method opened)
2636 (when (and (equal (cadr method) (cadaar opened))
2637 (not (equal method (caar opened))))
2642 (defun gnus-server-extend-method (group method)
2643 ;; This function "extends" a virtual server. If the server is
2644 ;; "hello", and the select method is ("hello" (my-var "something"))
2645 ;; in the group "alt.alt", this will result in a new virtual server
2646 ;; called "hello+alt.alt".
2647 (if (or (not (inline (gnus-similar-server-opened method)))
2648 (not (cddr method)))
2650 `(,(car method) ,(concat (cadr method) "+" group)
2651 (,(intern (format "%s-address" (car method))) ,(cadr method))
2654 (defun gnus-server-status (method)
2655 "Return the status of METHOD."
2656 (nth 1 (assoc method gnus-opened-servers)))
2658 (defun gnus-group-name-to-method (group)
2659 "Guess a select method based on GROUP."
2660 (if (string-match ":" group)
2661 (let ((server (substring group 0 (match-beginning 0))))
2662 (if (string-match "\\+" server)
2663 (list (intern (substring server 0 (match-beginning 0)))
2664 (substring server (match-end 0)))
2665 (list (intern server) "")))
2666 gnus-select-method))
2668 (defun gnus-find-method-for-group (group &optional info)
2669 "Find the select method that GROUP uses."
2670 (or gnus-override-method
2673 (let ((info (or info (gnus-get-info group)))
2676 (not (setq method (gnus-info-method info)))
2677 (equal method "native"))
2680 (cond ((stringp method)
2681 (inline (gnus-server-to-method method)))
2682 ((stringp (cadr method))
2683 (inline (gnus-server-extend-method group method)))
2686 (cond ((equal (cadr method) "")
2688 ((null (cadr method))
2689 (list (car method) ""))
2691 (gnus-server-add-address method)))))))
2693 (defun gnus-methods-using (feature)
2694 "Find all methods that have FEATURE."
2695 (let ((valids gnus-valid-select-methods)
2698 (when (memq feature (car valids))
2699 (push (car valids) outs))
2700 (setq valids (cdr valids)))
2703 (defun gnus-read-group (prompt &optional default)
2704 "Prompt the user for a group name.
2705 Disallow illegal group names."
2711 (setq group (read-string (concat prefix prompt)
2712 (cons (or default "") 0)
2713 'gnus-group-history)))
2714 (setq prefix (format "Illegal group name: \"%s\". " group)
2718 (defun gnus-read-method (prompt)
2719 "Prompt the user for a method.
2720 Allow completion over sensible values."
2722 (append gnus-valid-select-methods
2723 gnus-predefined-server-alist
2728 nil t nil 'gnus-method-history)))
2731 (setq method gnus-select-method))
2732 ((assoc method gnus-valid-select-methods)
2733 (list (intern method)
2734 (if (memq 'prompt-address
2735 (assoc method gnus-valid-select-methods))
2736 (read-string "Address: ")
2738 ((assoc method servers)
2741 (list (intern method) "")))))
2743 ;;; User-level commands.
2746 (defun gnus-slave-no-server (&optional arg)
2747 "Read network news as a slave, without connecting to local server."
2749 (gnus-no-server arg t))
2752 (defun gnus-no-server (&optional arg slave)
2754 If ARG is a positive number, Gnus will use that as the
2755 startup level. If ARG is nil, Gnus will be started at level 2.
2756 If ARG is non-nil and not a positive number, Gnus will
2757 prompt the user for the name of an NNTP server to use.
2758 As opposed to `gnus', this command will not connect to the local server."
2760 (gnus-no-server-1 arg slave))
2763 (defun gnus-slave (&optional arg)
2764 "Read news as a slave."
2766 (gnus arg nil 'slave))
2769 (defun gnus-other-frame (&optional arg)
2770 "Pop up a frame to read news."
2772 (let ((window (get-buffer-window gnus-group-buffer)))
2774 (select-frame (window-frame window)))
2775 ((= (length (frame-list)) 1)
2776 (select-frame (make-frame)))
2782 (defun gnus (&optional arg dont-connect slave)
2784 If ARG is non-nil and a positive number, Gnus will use that as the
2785 startup level. If ARG is non-nil and not a positive number, Gnus will
2786 prompt the user for the name of an NNTP server to use."
2788 (gnus-1 arg dont-connect slave))
2790 ;; Allow redefinition of Gnus functions.
2796 ;;; gnus.el ends here