1 ;;; gnus.el --- a newsreader for GNU Emacs
2 ;; Copyright (C) 1987,88,89,90,93,94,95,96,97 Free Software Foundation, Inc.
4 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
5 ;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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))
35 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
38 (defgroup gnus-start nil
39 "Starting your favorite newsreader."
42 ;; These belong to gnus-group.el.
43 (defgroup gnus-group nil
45 :link '(custom-manual "(gnus)The Group Buffer")
48 (defgroup gnus-group-foreign nil
50 :link '(custom-manual "(gnus)Foreign Groups")
53 (defgroup gnus-group-levels nil
55 :link '(custom-manual "(gnus)Group Levels")
58 (defgroup gnus-group-select nil
60 :link '(custom-manual "(gnus)Selecting a Group")
63 (defgroup gnus-group-listing nil
64 "Showing slices of the group list."
65 :link '(custom-manual "(gnus)Listing Groups")
68 (defgroup gnus-group-visual nil
69 "Sorting the group buffer."
70 :link '(custom-manual "(gnus)Group Buffer Format")
74 (defgroup gnus-group-various nil
75 "Various group options."
76 :link '(custom-manual "(gnus)Scanning New Messages")
79 ;; These belong to gnus-sum.el.
80 (defgroup gnus-summary nil
82 :link '(custom-manual "(gnus)The Summary Buffer")
85 (defgroup gnus-summary-exit nil
86 "Leaving summary buffers."
87 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
90 (defgroup gnus-summary-marks nil
91 "Marks used in summary buffers."
92 :link '(custom-manual "(gnus)Marking Articles")
95 (defgroup gnus-thread nil
96 "Ordering articles according to replies."
97 :link '(custom-manual "(gnus)Threading")
100 (defgroup gnus-summary-format nil
101 "Formatting of the summary buffer."
102 :link '(custom-manual "(gnus)Summary Buffer Format")
103 :group 'gnus-summary)
105 (defgroup gnus-summary-choose nil
107 :link '(custom-manual "(gnus)Choosing Articles")
108 :group 'gnus-summary)
110 (defgroup gnus-summary-maneuvering nil
111 "Summary movement commands."
112 :link '(custom-manual "(gnus)Summary Maneuvering")
113 :group 'gnus-summary)
115 (defgroup gnus-summary-mail nil
116 "Mail group commands."
117 :link '(custom-manual "(gnus)Mail Group Commands")
118 :group 'gnus-summary)
120 (defgroup gnus-summary-sort nil
121 "Sorting the summary buffer."
122 :link '(custom-manual "(gnus)Sorting")
123 :group 'gnus-summary)
125 (defgroup gnus-summary-visual nil
126 "Highlighting and menus in the summary buffer."
127 :link '(custom-manual "(gnus)Summary Highlighting")
129 :group 'gnus-summary)
131 (defgroup gnus-summary-various nil
132 "Various summary buffer options."
133 :link '(custom-manual "(gnus)Various Summary Stuff")
134 :group 'gnus-summary)
136 ;; Belongs to to gnus-uu.el
137 (defgroup gnus-extract-view nil
138 "Viewing extracted files."
139 :link '(custom-manual "(gnus)Viewing Files")
140 :group 'gnus-extract)
143 (defgroup gnus-score nil
144 "Score and kill file handling."
147 (defgroup gnus-exit nil
149 :link '(custom-manual "(gnus)Exiting Gnus")
152 (defgroup gnus-various nil
153 "Other Gnus options."
154 :link '(custom-manual "(gnus)Various Various")
157 (defconst gnus-version-number "5.4.7"
158 "Version number for this version of Gnus.")
160 (defconst gnus-version (format "Gnus v%s" gnus-version-number)
161 "Version string for this version of Gnus.")
163 (defcustom gnus-inhibit-startup-message nil
164 "If non-nil, the startup message will not be displayed.
165 This variable is used before `.gnus.el' is loaded, so it should
166 be set in `.emacs' instead."
170 (defcustom gnus-play-startup-jingle nil
171 "If non-nil, play the Gnus jingle at startup."
175 ;;; Kludges to help the transition from the old `custom.el'.
177 (unless (featurep 'gnus-xmas)
178 (defalias 'gnus-make-overlay 'make-overlay)
179 (defalias 'gnus-overlay-put 'overlay-put)
180 (defalias 'gnus-move-overlay 'move-overlay)
181 (defalias 'gnus-overlay-end 'overlay-end)
182 (defalias 'gnus-extent-detached-p 'ignore)
183 (defalias 'gnus-extent-start-open 'ignore)
184 (defalias 'gnus-set-text-properties 'set-text-properties)
185 (defalias 'gnus-group-remove-excess-properties 'ignore)
186 (defalias 'gnus-topic-remove-excess-properties 'ignore)
187 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
188 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
189 (defalias 'gnus-make-local-hook 'make-local-hook)
190 (defalias 'gnus-add-hook 'add-hook)
191 (defalias 'gnus-character-to-event 'identity)
192 (defalias 'gnus-add-text-properties 'add-text-properties)
193 (defalias 'gnus-put-text-property 'put-text-property)
194 (defalias 'gnus-mode-line-buffer-identification 'identity)
195 (defalias 'gnus-characterp 'numberp)
196 (defalias 'gnus-key-press-event-p 'numberp))
198 ;; The XEmacs people think this is evil, so it must go.
199 (defun custom-face-lookup (&optional fg bg stipple bold italic underline)
200 "Lookup or create a face with specified attributes."
201 (let ((name (intern (format "custom-face-%s-%s-%s-%S-%S-%S"
204 (or stipple "default")
205 bold italic underline))))
206 (if (and (custom-facep name)
207 (fboundp 'make-face))
209 (copy-face 'default name)
211 (not (string-equal fg "default")))
213 (set-face-foreground name fg)))
215 (not (string-equal bg "default")))
217 (set-face-background name bg)))
219 (not (string-equal stipple "default"))
220 (not (eq stipple 'custom:asis))
221 (fboundp 'set-face-stipple))
222 (set-face-stipple name stipple))
224 (not (eq bold 'custom:asis)))
226 (make-face-bold name)))
228 (not (eq italic 'custom:asis)))
230 (make-face-italic name)))
232 (not (eq underline 'custom:asis)))
234 (set-face-underline-p name t))))
237 ;; We define these group faces here to avoid the display
238 ;; update forced when creating new faces.
240 (defface gnus-group-news-1-face
243 (:foreground "PaleTurquoise" :bold t))
246 (:foreground "ForestGreen" :bold t))
249 "Level 1 newsgroup face.")
251 (defface gnus-group-news-1-empty-face
254 (:foreground "PaleTurquoise"))
257 (:foreground "ForestGreen"))
260 "Level 1 empty newsgroup face.")
262 (defface gnus-group-news-2-face
265 (:foreground "turquoise" :bold t))
268 (:foreground "CadetBlue4" :bold t))
271 "Level 2 newsgroup face.")
273 (defface gnus-group-news-2-empty-face
276 (:foreground "turquoise"))
279 (:foreground "CadetBlue4"))
282 "Level 2 empty newsgroup face.")
284 (defface gnus-group-news-3-face
293 "Level 3 newsgroup face.")
295 (defface gnus-group-news-3-empty-face
304 "Level 3 empty newsgroup face.")
306 (defface gnus-group-news-low-face
309 (:foreground "DarkTurquoise" :bold t))
312 (:foreground "DarkGreen" :bold t))
315 "Low level newsgroup face.")
317 (defface gnus-group-news-low-empty-face
320 (:foreground "DarkTurquoise"))
323 (:foreground "DarkGreen"))
326 "Low level empty newsgroup face.")
328 (defface gnus-group-mail-1-face
331 (:foreground "aquamarine1" :bold t))
334 (:foreground "DeepPink3" :bold t))
337 "Level 1 mailgroup face.")
339 (defface gnus-group-mail-1-empty-face
342 (:foreground "aquamarine1"))
345 (:foreground "DeepPink3"))
347 (:italic t :bold t)))
348 "Level 1 empty mailgroup face.")
350 (defface gnus-group-mail-2-face
353 (:foreground "aquamarine2" :bold t))
356 (:foreground "HotPink3" :bold t))
359 "Level 2 mailgroup face.")
361 (defface gnus-group-mail-2-empty-face
364 (:foreground "aquamarine2"))
367 (:foreground "HotPink3"))
370 "Level 2 empty mailgroup face.")
372 (defface gnus-group-mail-3-face
375 (:foreground "aquamarine3" :bold t))
378 (:foreground "magenta4" :bold t))
381 "Level 3 mailgroup face.")
383 (defface gnus-group-mail-3-empty-face
386 (:foreground "aquamarine3"))
389 (:foreground "magenta4"))
392 "Level 3 empty mailgroup face.")
394 (defface gnus-group-mail-low-face
397 (:foreground "aquamarine4" :bold t))
400 (:foreground "DeepPink4" :bold t))
403 "Low level mailgroup face.")
405 (defface gnus-group-mail-low-empty-face
408 (:foreground "aquamarine4"))
411 (:foreground "DeepPink4"))
414 "Low level empty mailgroup face.")
416 ;; Summary mode faces.
418 (defface gnus-summary-selected-face '((t
420 "Face used for selected articles.")
422 (defface gnus-summary-cancelled-face
424 (:foreground "yellow" :background "black")))
425 "Face used for cancelled articles.")
427 (defface gnus-summary-high-ticked-face
430 (:foreground "pink" :bold t))
433 (:foreground "firebrick" :bold t))
436 "Face used for high interest ticked articles.")
438 (defface gnus-summary-low-ticked-face
441 (:foreground "pink" :italic t))
444 (:foreground "firebrick" :italic t))
447 "Face used for low interest ticked articles.")
449 (defface gnus-summary-normal-ticked-face
452 (:foreground "pink"))
455 (:foreground "firebrick"))
458 "Face used for normal interest ticked articles.")
460 (defface gnus-summary-high-ancient-face
463 (:foreground "SkyBlue" :bold t))
466 (:foreground "RoyalBlue" :bold t))
469 "Face used for high interest ancient articles.")
471 (defface gnus-summary-low-ancient-face
474 (:foreground "SkyBlue" :italic t))
477 (:foreground "RoyalBlue" :italic t))
480 "Face used for low interest ancient articles.")
482 (defface gnus-summary-normal-ancient-face
485 (:foreground "SkyBlue"))
488 (:foreground "RoyalBlue"))
491 "Face used for normal interest ancient articles.")
493 (defface gnus-summary-high-unread-face
496 "Face used for high interest unread articles.")
498 (defface gnus-summary-low-unread-face
501 "Face used for low interest unread articles.")
503 (defface gnus-summary-normal-unread-face
506 "Face used for normal interest unread articles.")
508 (defface gnus-summary-high-read-face
511 (:foreground "PaleGreen"
515 (:foreground "DarkGreen"
519 "Face used for high interest read articles.")
521 (defface gnus-summary-low-read-face
524 (:foreground "PaleGreen"
528 (:foreground "DarkGreen"
532 "Face used for low interest read articles.")
534 (defface gnus-summary-normal-read-face
537 (:foreground "PaleGreen"))
540 (:foreground "DarkGreen"))
543 "Face used for normal interest read articles.")
548 (defvar gnus-group-buffer "*Group*")
551 (autoload 'gnus-play-jingle "gnus-audio"))
553 (defface gnus-splash-face
562 "Level 1 newsgroup face.")
564 (defun gnus-splash ()
566 (switch-to-buffer gnus-group-buffer)
567 (let ((buffer-read-only nil))
569 (unless gnus-inhibit-startup-message
570 (gnus-group-startup-message)
572 (when gnus-play-startup-jingle
573 (gnus-play-jingle))))))
575 (defun gnus-indent-rigidly (start end arg)
576 "Indent rigidly using only spaces and no tabs."
579 (narrow-to-region start end)
580 (indent-rigidly start end arg)
581 ;; We translate tabs into spaces -- not everybody uses
582 ;; an 8-character tab.
583 (goto-char (point-min))
584 (while (search-forward "\t" nil t)
585 (replace-match " " t t)))))
587 (defvar gnus-simple-splash nil)
589 (defun gnus-group-startup-message (&optional x y)
590 "Insert startup message in current buffer."
591 ;; Insert the message.
596 _ ___ __ ___ __ _ ___
616 (gnus-indent-rigidly (point-min) (point-max)
617 (/ (max (- (window-width) (or x 46)) 0) 2))
618 (goto-char (point-min))
620 (let* ((pheight (count-lines (point-min) (point-max)))
621 (wheight (window-height))
622 (rest (- wheight pheight)))
623 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
625 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
626 (goto-char (point-min))
627 (setq mode-line-buffer-identification (concat " " gnus-version))
628 (setq gnus-simple-splash t)
629 (set-buffer-modified-p t))
632 (let ((command (format "%s" this-command)))
633 (when (and (string-match "gnus" command)
634 (not (string-match "gnus-other-frame" command)))
643 (defgroup gnus-meta nil
644 "Meta variables controling major portions of Gnus.
645 In general, modifying these variables does not take affect until Gnus
646 is restarted, and sometimes reloaded."
649 (defcustom gnus-directory (or (getenv "SAVEDIR") "~/News/")
650 "Directory variable from which all other Gnus file variables are derived."
654 (defcustom gnus-default-directory nil
655 "*Default directory for all Gnus buffers."
657 :type '(choice (const :tag "current" nil)
660 ;; Site dependent variables. These variables should be defined in
663 (defvar gnus-default-nntp-server nil
664 "Specify a default NNTP server.
665 This variable should be defined in paths.el, and should never be set
667 If you want to change servers, you should use `gnus-select-method'.
668 See the documentation to that variable.")
670 ;; Don't touch this variable.
671 (defvar gnus-nntp-service "nntp"
672 "NNTP service name (\"nntp\" or 119).
673 This is an obsolete variable, which is scarcely used. If you use an
674 nntp server for your newsgroup and want to change the port number
675 used to 899, you would say something along these lines:
677 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
679 (defcustom gnus-nntpserver-file "/etc/nntpserver"
680 "A file with only the name of the nntp server in it."
684 ;; This function is used to check both the environment variable
685 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
686 ;; an nntp server name default.
687 (defun gnus-getenv-nntpserver ()
688 (or (getenv "NNTPSERVER")
689 (and (file-readable-p gnus-nntpserver-file)
691 (set-buffer (get-buffer-create " *gnus nntp*"))
692 (buffer-disable-undo (current-buffer))
693 (insert-file-contents gnus-nntpserver-file)
694 (let ((name (buffer-string)))
696 (if (string-match "^[ \t\n]*$" name)
699 (kill-buffer (current-buffer))))))))
701 (defcustom gnus-select-method
704 (list 'nntp (or (ignore-errors
705 (gnus-getenv-nntpserver))
706 (when (and gnus-default-nntp-server
707 (not (string= gnus-default-nntp-server "")))
708 gnus-default-nntp-server)
710 (if (or (null gnus-nntp-service)
711 (equal gnus-nntp-service "nntp"))
713 (list gnus-nntp-service))))
714 "Default method for selecting a newsgroup.
715 This variable should be a list, where the first element is how the
716 news is to be fetched, the second is the address.
718 For instance, if you want to get your news via NNTP from
719 \"flab.flab.edu\", you could say:
721 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
723 If you want to use your local spool, say:
725 \(setq gnus-select-method (list 'nnspool (system-name)))
727 If you use this variable, you must set `gnus-nntp-server' to nil.
729 There is a lot more to know about select methods and virtual servers -
730 see the manual for details."
732 :type 'gnus-select-method)
734 (defcustom gnus-message-archive-method
737 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
738 (nnfolder-active-file
739 ,(nnheader-concat message-directory "archive/active"))
740 (nnfolder-get-new-mail nil)
741 (nnfolder-inhibit-expiry t))
742 "Method used for archiving messages you've sent.
743 This should be a mail method.
745 It's probably not a very effective to change this variable once you've
746 run Gnus once. After doing that, you must edit this server from the
749 :type 'gnus-select-method)
751 (defgroup gnus-message '((message custom-group))
752 "Interface from gnus to message mode."
755 (defcustom gnus-message-archive-group nil
756 "*Name of the group in which to save the messages you've written.
757 This can either be a string, a list of strings; or an alist
758 of regexps/functions/forms to be evaluated to return a string (or a list
759 of strings). The functions are called with the name of the current
760 group (or nil) as a parameter.
762 If you want to save your mail in one group and the news articles you
763 write in another group, you could say something like:
765 \(setq gnus-message-archive-group
766 '((if (message-news-p)
770 Normally the group names returned by this variable should be
771 unprefixed -- which implicitly means \"store on the archive server\".
772 However, you may wish to store the message on some other server. In
773 that case, just return a fully prefixed name of the group --
774 \"nnml+private:mail.misc\", for instance."
776 :type '(choice (const :tag "none" nil)
779 (defcustom gnus-secondary-servers nil
780 "List of NNTP servers that the user can choose between interactively.
781 To make Gnus query you for a server, you have to give `gnus' a
782 non-numeric prefix - `C-u M-x gnus', in short."
784 :type '(repeat string))
786 (defcustom gnus-nntp-server nil
787 "*The name of the host running the NNTP server.
788 This variable is semi-obsolete. Use the `gnus-select-method'
791 :type '(choice (const :tag "disable" nil)
794 (defcustom gnus-secondary-select-methods nil
795 "A list of secondary methods that will be used for reading news.
796 This is a list where each element is a complete select method (see
797 `gnus-select-method').
799 If, for instance, you want to read your mail with the nnml backend,
800 you could set this variable:
802 \(setq gnus-secondary-select-methods '((nnml \"\")))"
804 :type '(repeat gnus-select-method))
806 (defvar gnus-backup-default-subscribed-newsgroups
807 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
808 "Default default new newsgroups the first time Gnus is run.
809 Should be set in paths.el, and shouldn't be touched by the user.")
811 (defcustom gnus-local-domain nil
812 "Local domain name without a host name.
813 The DOMAINNAME environment variable is used instead if it is defined.
814 If the `system-name' function returns the full Internet name, there is
815 no need to set this variable."
817 :type '(choice (const :tag "default" nil)
820 (defcustom gnus-local-organization nil
821 "String with a description of what organization (if any) the user belongs to.
822 The ORGANIZATION environment variable is used instead if it is defined.
823 If this variable contains a function, this function will be called
824 with the current newsgroup name as the argument. The function should
827 In any case, if the string (either in the variable, in the environment
828 variable, or returned by the function) is a file name, the contents of
829 this file will be used as the organization."
831 :type '(choice (const :tag "default" nil)
834 ;; Customization variables
836 (defcustom gnus-refer-article-method nil
837 "Preferred method for fetching an article by Message-ID.
838 If you are reading news from the local spool (with nnspool), fetching
839 articles by Message-ID is painfully slow. By setting this method to an
840 nntp method, you might get acceptable results.
842 The value of this variable must be a valid select method as discussed
843 in the documentation of `gnus-select-method'."
845 :type '(choice (const :tag "default" nil)
848 (defcustom gnus-group-faq-directory
849 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
850 "/ftp@sunsite.auc.dk:/pub/usenet/"
851 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
852 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
853 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
854 "/ftp@rtfm.mit.edu:/pub/usenet/"
855 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
856 "/ftp@ftp.sunet.se:/pub/usenet/"
857 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
858 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
859 "/ftp@ftp.hk.super.net:/mirror/faqs/")
860 "Directory where the group FAQs are stored.
861 This will most commonly be on a remote machine, and the file will be
864 This variable can also be a list of directories. In that case, the
865 first element in the list will be used by default. The others can
866 be used when being prompted for a site.
868 Note that Gnus uses an aol machine as the default directory. If this
869 feels fundamentally unclean, just think of it as a way to finally get
870 something of value back from them.
872 If the default site is too slow, try one of these:
874 North America: mirrors.aol.com /pub/rtfm/usenet
875 ftp.seas.gwu.edu /pub/rtfm
876 rtfm.mit.edu /pub/usenet
877 Europe: ftp.uni-paderborn.de /pub/FAQ
878 src.doc.ic.ac.uk /usenet/news-FAQS
879 ftp.sunet.se /pub/usenet
880 sunsite.auc.dk /pub/usenet
881 Asia: nctuccca.edu.tw /USENET/FAQ
882 hwarang.postech.ac.kr /pub/usenet
883 ftp.hk.super.net /mirror/faqs"
884 :group 'gnus-group-various
885 :type '(choice directory
888 (defcustom gnus-use-cross-reference t
889 "*Non-nil means that cross referenced articles will be marked as read.
890 If nil, ignore cross references. If t, mark articles as read in
891 subscribed newsgroups. If neither t nor nil, mark as read in all
894 :type '(choice (const :tag "off" nil)
895 (const :tag "subscribed" t)
899 (defcustom gnus-process-mark ?#
904 (defcustom gnus-asynchronous nil
905 "*If non-nil, Gnus will supply backends with data needed for async article fetching."
909 (defcustom gnus-large-newsgroup 200
910 "*The number of articles which indicates a large newsgroup.
911 If the number of articles in a newsgroup is greater than this value,
912 confirmation is required for selecting the newsgroup."
913 :group 'gnus-group-select
916 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
917 "*Non-nil means that the default name of a file to save articles in is the group name.
918 If it's nil, the directory form of the group name is used instead.
920 If this variable is a list, and the list contains the element
921 `not-score', long file names will not be used for score files; if it
922 contains the element `not-save', long file names will not be used for
923 saving; and if it contains the element `not-kill', long file names
924 will not be used for kill files.
926 Note that the default for this variable varies according to what system
927 type you're using. On `usg-unix-v' and `xenix' this variable defaults
928 to nil while on all other systems it defaults to t."
932 (defcustom gnus-kill-files-directory gnus-directory
933 "*Name of the directory where kill files will be stored (default \"~/News\")."
937 (defcustom gnus-save-score nil
938 "*If non-nil, save group scoring info."
943 (defcustom gnus-use-undo t
944 "*If non-nil, allow undoing in Gnus group mode buffers."
948 (defcustom gnus-use-adaptive-scoring nil
949 "*If non-nil, use some adaptive scoring scheme.
950 If a list, then the values `word' and `line' are meaningful. The
951 former will perform adaption on individual words in the subject
952 header while `line' will perform adaption on several headers."
954 :type '(set (const word) (const line)))
956 (defcustom gnus-use-cache 'passive
957 "*If nil, Gnus will ignore the article cache.
958 If `passive', it will allow entering (and reading) articles
959 explicitly entered into the cache. If anything else, use the
960 cache to the full extent of the law."
963 :type '(choice (const :tag "off" nil)
964 (const :tag "passive" passive)
965 (const :tag "active" t)))
967 (defcustom gnus-use-trees nil
968 "*If non-nil, display a thread tree buffer."
972 (defcustom gnus-use-grouplens nil
973 "*If non-nil, use GroupLens ratings."
977 (defcustom gnus-keep-backlog nil
978 "*If non-nil, Gnus will keep read articles for later re-retrieval.
979 If it is a number N, then Gnus will only keep the last N articles
980 read. If it is neither nil nor a number, Gnus will keep all read
981 articles. This is not a good idea."
983 :type '(choice (const :tag "off" nil)
988 (defcustom gnus-use-nocem nil
989 "*If non-nil, Gnus will read NoCeM cancel messages."
993 (defcustom gnus-suppress-duplicates nil
994 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
998 (defcustom gnus-use-demon nil
999 "If non-nil, Gnus might use some demons."
1003 (defcustom gnus-use-scoring t
1004 "*If non-nil, enable scoring."
1008 (defcustom gnus-use-picons nil
1009 "*If non-nil, display picons."
1013 (defcustom gnus-summary-prepare-exit-hook
1014 '(gnus-summary-expire-articles)
1015 "A hook called when preparing to exit from the summary buffer.
1016 It calls `gnus-summary-expire-articles' by default."
1017 :group 'gnus-summary-exit
1020 (defcustom gnus-novice-user t
1021 "*Non-nil means that you are a usenet novice.
1022 If non-nil, verbose messages may be displayed and confirmations may be
1027 (defcustom gnus-expert-user nil
1028 "*Non-nil means that you will never be asked for confirmation about anything.
1029 And that means *anything*."
1033 (defcustom gnus-interactive-catchup t
1034 "*If non-nil, require your confirmation when catching up a group."
1035 :group 'gnus-group-select
1038 (defcustom gnus-interactive-exit t
1039 "*If non-nil, require your confirmation when exiting Gnus."
1043 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1044 "*Function for extracting address components from a From header.
1045 Two pre-defined function exist: `gnus-extract-address-components',
1046 which is the default, quite fast, and too simplistic solution, and
1047 `mail-extract-address-components', which works much better, but is
1050 :type '(radio (function-item gnus-extract-address-components)
1051 (function-item mail-extract-address-components)
1052 (function :tag "Other")))
1054 (defcustom gnus-carpal nil
1055 "*If non-nil, display clickable icons."
1059 (defcustom gnus-shell-command-separator ";"
1060 "String used to separate to shell commands."
1064 (defcustom gnus-valid-select-methods
1065 '(("nntp" post address prompt-address physical-address)
1066 ("nnspool" post address)
1067 ("nnvirtual" post-mail virtual prompt-address)
1068 ("nnmbox" mail respool address)
1069 ("nnml" mail respool address)
1070 ("nnmh" mail respool address)
1071 ("nndir" post-mail prompt-address physical-address)
1072 ("nneething" none address prompt-address physical-address)
1073 ("nndoc" none address prompt-address)
1074 ("nnbabyl" mail address respool)
1075 ("nnkiboze" post virtual)
1076 ("nnsoup" post-mail address)
1077 ("nndraft" post-mail)
1078 ("nnfolder" mail respool address)
1079 ("nngateway" none address prompt-address physical-address)
1081 "An alist of valid select methods.
1082 The first element of each list lists should be a string with the name
1083 of the select method. The other elements may be the category of
1084 this method (i. e., `post', `mail', `none' or whatever) or other
1085 properties that this method has (like being respoolable).
1086 If you implement a new select method, all you should have to change is
1087 this variable. I think."
1089 :type '(repeat (group (string :tag "Name")
1090 (radio-button-choice (const :format "%v " post)
1091 (const :format "%v " mail)
1092 (const :format "%v " none)
1094 (checklist :inline t
1095 (const :format "%v " address)
1096 (const :format "%v " prompt-address)
1097 (const :format "%v " virtual)
1100 (define-widget 'gnus-select-method 'list
1101 "Widget for entering a select method."
1102 :args `((choice :tag "Method"
1103 ,@(mapcar (lambda (entry)
1104 (list 'const :format "%v\n"
1105 (intern (car entry))))
1106 gnus-valid-select-methods))
1107 (string :tag "Address")
1108 (editable-list :inline t
1111 (sexp :tag "Value")))))
1113 (defcustom gnus-updated-mode-lines '(group article summary tree)
1114 "List of buffers that should update their mode lines.
1115 The list may contain the symbols `group', `article', `tree' and
1116 `summary'. If the corresponding symbol is present, Gnus will keep
1117 that mode line updated with information that may be pertinent.
1118 If this variable is nil, screen refresh may be quicker."
1120 :type '(set (const group)
1125 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1126 (defcustom gnus-mode-non-string-length nil
1127 "*Max length of mode-line non-string contents.
1128 If this is nil, Gnus will take space as is needed, leaving the rest
1129 of the modeline intact."
1131 :type '(choice (const nil)
1134 (defcustom gnus-auto-expirable-newsgroups nil
1135 "*Groups in which to automatically mark read articles as expirable.
1136 If non-nil, this should be a regexp that should match all groups in
1137 which to perform auto-expiry. This only makes sense for mail groups."
1139 :type '(choice (const nil)
1142 (defcustom gnus-total-expirable-newsgroups nil
1143 "*Groups in which to perform expiry of all read articles.
1144 Use with extreme caution. All groups that match this regexp will be
1145 expiring - which means that all read articles will be deleted after
1146 \(say) one week. (This only goes for mail groups and the like, of
1149 :type '(choice (const nil)
1152 (defcustom gnus-group-uncollapsed-levels 1
1153 "Number of group name elements to leave alone when making a short group name."
1154 :group 'gnus-group-visual
1157 (defcustom gnus-group-use-permanent-levels nil
1158 "*If non-nil, once you set a level, Gnus will use this level."
1159 :group 'gnus-group-levels
1164 (defcustom gnus-load-hook nil
1165 "A hook run while Gnus is loaded."
1169 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1170 "A hook called to apply kill files to a group.
1171 This hook is intended to apply a kill file to the selected newsgroup.
1172 The function `gnus-apply-kill-file' is called by default.
1174 Since a general kill file is too heavy to use only for a few
1175 newsgroups, I recommend you to use a lighter hook function. For
1176 example, if you'd like to apply a kill file to articles which contains
1177 a string `rmgroup' in subject in newsgroup `control', you can use the
1180 (setq gnus-apply-kill-hook
1183 (cond ((string-match \"control\" gnus-newsgroup-name)
1184 (gnus-kill \"Subject\" \"rmgroup\")
1185 (gnus-expunge \"X\"))))))"
1187 :options '(gnus-apply-kill-file)
1190 (defcustom gnus-group-change-level-function nil
1191 "Function run when a group level is changed.
1192 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1198 (defgroup gnus-visual nil
1199 "Options controling the visual fluff."
1202 (defcustom gnus-visual
1203 '(summary-highlight group-highlight article-highlight
1205 summary-menu group-menu article-menu
1206 tree-highlight menu highlight
1207 browse-menu server-menu
1208 page-marker tree-menu binary-menu pick-menu
1210 "Enable visual features.
1211 If `visual' is disabled, there will be no menus and few faces. Most of
1212 the visual customization options below will be ignored. Gnus will use
1213 less space and be faster as a result.
1215 This variable can also be a list of visual elements to switch on. For
1216 instance, to switch off all visual things except menus, you can say:
1218 (setq gnus-visual '(menu))
1220 Valid elements include `summary-highlight', `group-highlight',
1221 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1222 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1223 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1224 and `grouplens-menu'."
1227 :type '(set (const summary-highlight)
1228 (const group-highlight)
1229 (const article-highlight)
1231 (const summary-menu)
1233 (const article-menu)
1234 (const tree-highlight)
1243 (const grouplens-menu)))
1245 (defcustom gnus-mouse-face
1247 (if (gnus-visual-p 'mouse-face 'highlight)
1248 (if (boundp 'gnus-mouse-face)
1249 (or gnus-mouse-face 'highlight)
1253 "Face used for group or summary buffer mouse highlighting.
1254 The line beneath the mouse pointer will be highlighted with this
1259 (defcustom gnus-article-display-hook
1260 (if (and (string-match "XEmacs" emacs-version)
1262 '(gnus-article-hide-headers-if-wanted
1263 gnus-article-hide-boring-headers
1264 gnus-article-treat-overstrike
1265 gnus-article-maybe-highlight
1266 gnus-article-display-x-face)
1267 '(gnus-article-hide-headers-if-wanted
1268 gnus-article-hide-boring-headers
1269 gnus-article-treat-overstrike
1270 gnus-article-maybe-highlight))
1271 "Controls how the article buffer will look.
1273 If you leave the list empty, the article will appear exactly as it is
1274 stored on the disk. The list entries will hide or highlight various
1275 parts of the article, making it easier to find the information you
1277 :group 'gnus-article-highlight
1280 :options '(gnus-article-add-buttons
1281 gnus-article-add-buttons-to-head
1282 gnus-article-emphasize
1283 gnus-article-fill-cited-article
1284 gnus-article-remove-cr
1285 gnus-article-de-quoted-unreadable
1286 gnus-article-display-x-face
1287 gnus-summary-stop-page-breaking
1288 ;; gnus-summary-caesar-message
1289 ;; gnus-summary-verbose-headers
1290 gnus-summary-toggle-mime
1292 gnus-article-hide-headers
1293 gnus-article-hide-boring-headers
1294 gnus-article-hide-signature
1295 gnus-article-hide-citation
1296 gnus-article-hide-pgp
1297 gnus-article-hide-pem
1298 gnus-article-highlight
1299 gnus-article-highlight-headers
1300 gnus-article-highlight-citation
1301 gnus-article-highlight-signature
1302 gnus-article-date-ut
1303 gnus-article-date-local
1304 gnus-article-date-lapsed
1305 gnus-article-date-original
1306 gnus-article-remove-trailing-blank-lines
1307 gnus-article-strip-leading-blank-lines
1308 gnus-article-strip-multiple-blank-lines
1309 gnus-article-strip-blank-lines
1310 gnus-article-treat-overstrike
1314 ;;; Internal variables
1316 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1317 (defvar gnus-original-article-buffer " *Original Article*")
1318 (defvar gnus-newsgroup-name nil)
1320 (defvar gnus-current-select-method nil
1321 "The current method for selecting a newsgroup.")
1323 (defvar gnus-tree-buffer "*Tree*"
1324 "Buffer where Gnus thread trees are displayed.")
1327 (defvar gnus-use-generic-from nil)
1329 ;; Variable holding the user answers to all method prompts.
1330 (defvar gnus-method-history nil)
1331 (defvar gnus-group-history nil)
1333 ;; Variable holding the user answers to all mail method prompts.
1334 (defvar gnus-mail-method-history nil)
1336 ;; Variable holding the user answers to all group prompts.
1337 (defvar gnus-group-history nil)
1339 (defvar gnus-server-alist nil
1340 "List of available servers.")
1342 (defvar gnus-predefined-server-alist
1345 (nnspool-spool-directory "~/News/cache/")
1346 (nnspool-nov-directory "~/News/cache/")
1347 (nnspool-active-file "~/News/cache/active"))))
1348 "List of predefined (convenience) servers.")
1350 (defvar gnus-topic-indentation "") ;; Obsolete variable.
1352 (defconst gnus-article-mark-lists
1353 '((marked . tick) (replied . reply)
1354 (expirable . expire) (killed . killed)
1355 (bookmarks . bookmark) (dormant . dormant)
1356 (scored . score) (saved . save)
1359 (defvar gnus-headers-retrieved-by nil)
1360 (defvar gnus-article-reply nil)
1361 (defvar gnus-override-method nil)
1362 (defvar gnus-article-check-size nil)
1363 (defvar gnus-opened-servers nil)
1365 (defvar gnus-current-kill-article nil)
1367 (defvar gnus-have-read-active-file nil)
1369 (defconst gnus-maintainer
1370 "gnus-bug@ifi.uio.no (The Gnus Bugfixing Girls + Boys)"
1371 "The mail address of the Gnus maintainers.")
1373 (defvar gnus-info-nodes
1374 '((gnus-group-mode "(gnus)The Group Buffer")
1375 (gnus-summary-mode "(gnus)The Summary Buffer")
1376 (gnus-article-mode "(gnus)The Article Buffer")
1377 (mime/viewer-mode "(gnus)The Article Buffer")
1378 (gnus-server-mode "(gnus)The Server Buffer")
1379 (gnus-browse-mode "(gnus)Browse Foreign Server")
1380 (gnus-tree-mode "(gnus)Tree Display"))
1381 "Alist of major modes and related Info nodes.")
1383 (defvar gnus-group-buffer "*Group*")
1384 (defvar gnus-summary-buffer "*Summary*")
1385 (defvar gnus-article-buffer "*Article*")
1386 (defvar gnus-server-buffer "*Server*")
1388 (defvar gnus-buffer-list nil
1389 "Gnus buffers that should be killed on exit.")
1391 (defvar gnus-slave nil
1392 "Whether this Gnus is a slave or not.")
1394 (defvar gnus-batch-mode nil
1395 "Whether this Gnus is running in batch mode or not.")
1397 (defvar gnus-variable-list
1398 '(gnus-newsrc-options gnus-newsrc-options-n
1399 gnus-newsrc-last-checked-date
1400 gnus-newsrc-alist gnus-server-alist
1401 gnus-killed-list gnus-zombie-list
1402 gnus-topic-topology gnus-topic-alist
1404 "Gnus variables saved in the quick startup file.")
1406 (defvar gnus-newsrc-alist nil
1407 "Assoc list of read articles.
1408 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1410 (defvar gnus-newsrc-hashtb nil
1411 "Hashtable of gnus-newsrc-alist.")
1413 (defvar gnus-killed-list nil
1414 "List of killed newsgroups.")
1416 (defvar gnus-killed-hashtb nil
1417 "Hash table equivalent of gnus-killed-list.")
1419 (defvar gnus-zombie-list nil
1420 "List of almost dead newsgroups.")
1422 (defvar gnus-description-hashtb nil
1423 "Descriptions of newsgroups.")
1425 (defvar gnus-list-of-killed-groups nil
1426 "List of newsgroups that have recently been killed by the user.")
1428 (defvar gnus-active-hashtb nil
1429 "Hashtable of active articles.")
1431 (defvar gnus-moderated-hashtb nil
1432 "Hashtable of moderated newsgroups.")
1434 ;; Save window configuration.
1435 (defvar gnus-prev-winconf nil)
1437 (defvar gnus-reffed-article-number nil)
1439 ;;; Let the byte-compiler know that we know about this variable.
1440 (defvar rmail-default-rmail-file)
1442 (defvar gnus-dead-summary nil)
1444 ;;; End of variables.
1446 ;; Define some autoload functions Gnus might use.
1449 ;; This little mapcar goes through the list below and marks the
1450 ;; symbols in question as autoloaded functions.
1453 (let ((interactive (nth 1 (memq ':interactive package))))
1457 (when (consp function)
1458 (setq keymap (car (memq 'keymap function)))
1459 (setq function (car function)))
1460 (autoload function (car package) nil interactive keymap)))
1461 (if (eq (nth 1 package) ':interactive)
1464 '(("metamail" metamail-buffer)
1465 ("info" Info-goto-node)
1466 ("hexl" hexl-hex-string-to-integer)
1467 ("pp" pp pp-to-string pp-eval-expression)
1468 ("ps-print" ps-print-preprint)
1469 ("mail-extr" mail-extract-address-components)
1470 ("message" :interactive t
1471 message-send-and-exit message-yank-original)
1472 ("nnmail" nnmail-split-fancy nnmail-article-group nnmail-date-to-time)
1473 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1474 ("timezone" timezone-make-date-arpa-standard timezone-fix-time
1475 timezone-make-sortable-date timezone-make-time-string)
1476 ("rmailout" rmail-output)
1477 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1479 ("gnus-audio" :interactive t gnus-audio-play)
1480 ("gnus-xmas" gnus-xmas-splash)
1481 ("gnus-soup" :interactive t
1482 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1483 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1484 ("nnsoup" nnsoup-pack-replies)
1485 ("score-mode" :interactive t gnus-score-mode)
1486 ("gnus-mh" gnus-summary-save-article-folder
1487 gnus-Folder-save-name gnus-folder-save-name)
1488 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1489 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1490 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1491 gnus-demon-add-disconnection gnus-demon-add-handler
1492 gnus-demon-remove-handler)
1493 ("gnus-demon" :interactive t
1494 gnus-demon-init gnus-demon-cancel)
1495 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1496 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1497 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1498 gnus-nocem-unwanted-article-p)
1499 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info)
1500 ("gnus-srvr" gnus-browse-foreign-server)
1501 ("gnus-cite" :interactive t
1502 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1503 gnus-article-hide-citation gnus-article-fill-cited-article
1504 gnus-article-hide-citation-in-followups)
1505 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1506 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1507 gnus-execute gnus-expunge)
1508 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1509 gnus-cache-possibly-remove-articles gnus-cache-request-article
1510 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1511 gnus-cache-enter-remove-article gnus-cached-article-p
1512 gnus-cache-open gnus-cache-close gnus-cache-update-article)
1513 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1514 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1515 ("gnus-score" :interactive t
1516 gnus-summary-increase-score gnus-summary-set-score
1517 gnus-summary-raise-thread gnus-summary-raise-same-subject
1518 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1519 gnus-summary-lower-thread gnus-summary-lower-same-subject
1520 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1521 gnus-summary-current-score gnus-score-default
1522 gnus-score-flush-cache gnus-score-close
1523 gnus-possibly-score-headers gnus-score-followup-article
1524 gnus-score-followup-thread)
1526 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1527 gnus-current-score-file-nondirectory gnus-score-adaptive
1528 gnus-score-find-trace gnus-score-file-name)
1529 ("gnus-cus" :interactive t gnus-group-customize gnus-score-customize)
1530 ("gnus-topic" :interactive t gnus-topic-mode)
1531 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters)
1532 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1533 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1534 ("gnus-uu" :interactive t
1535 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1536 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1537 gnus-uu-mark-by-regexp gnus-uu-mark-all
1538 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1539 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1540 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1541 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1542 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1543 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1544 gnus-uu-decode-binhex-view)
1545 ("gnus-uu" gnus-uu-delete-work-dir)
1546 ("gnus-msg" (gnus-summary-send-map keymap)
1547 gnus-article-mail gnus-copy-article-buffer gnus-extended-version)
1548 ("gnus-msg" :interactive t
1549 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1550 gnus-summary-followup gnus-summary-followup-with-original
1551 gnus-summary-cancel-article gnus-summary-supersede-article
1552 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1553 gnus-summary-mail-forward gnus-summary-mail-other-window
1554 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1556 ("gnus-picon" :interactive t gnus-article-display-picons
1557 gnus-group-display-picons gnus-picons-article-display-x-face
1558 gnus-picons-display-x-face)
1559 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1560 gnus-grouplens-mode)
1561 ("smiley" :interactive t gnus-smiley-display)
1562 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1563 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1564 gnus-list-of-unread-articles gnus-list-of-read-articles
1565 gnus-offer-save-summaries gnus-make-thread-indent-array
1566 gnus-summary-exit gnus-update-read-articles)
1567 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1568 gnus-group-list-groups gnus-group-first-unread-group
1569 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1570 gnus-group-setup-buffer gnus-group-get-new-news
1571 gnus-group-make-help-group gnus-group-update-group)
1572 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1573 gnus-backlog-remove-article)
1574 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1575 gnus-article-prepare gnus-article-set-window-start
1576 gnus-article-next-page gnus-article-prev-page
1577 gnus-request-article-this-buffer gnus-article-mode
1578 gnus-article-setup-buffer gnus-narrow-to-page)
1579 ("gnus-art" :interactive t
1580 gnus-article-hide-headers gnus-article-hide-boring-headers
1581 gnus-article-treat-overstrike gnus-article-word-wrap
1582 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1583 gnus-article-display-x-face gnus-article-de-quoted-unreadable
1584 gnus-article-mime-decode-quoted-printable gnus-article-hide-pgp
1585 gnus-article-hide-pem gnus-article-hide-signature
1586 gnus-article-strip-leading-blank-lines gnus-article-date-local
1587 gnus-article-date-original gnus-article-date-lapsed
1588 gnus-article-show-all-headers
1589 gnus-article-edit-mode gnus-article-edit-article
1590 gnus-article-edit-done gnus-decode-rfc1522 article-decode-rfc1522)
1591 ("gnus-int" gnus-request-type)
1592 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1594 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1595 gnus-dup-enter-articles)
1596 ("gnus-range" gnus-copy-sequence)
1597 ("gnus-eform" gnus-edit-form)
1598 ("gnus-move" :interactive t
1599 gnus-group-move-group-to-server gnus-change-server)
1600 ("gnus-logic" gnus-score-advanced)
1601 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1602 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1603 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1604 gnus-async-halt-prefetch)
1605 ("gnus-vm" :interactive t gnus-summary-save-in-vm
1606 gnus-summary-save-article-vm))))
1608 ;;; gnus-sum.el thingies
1611 (defcustom gnus-summary-line-format "%U\%R\%z\%I\%(%[%4L: %-20,20n%]%) %s\n"
1612 "*The format specification of the lines in the summary buffer.
1614 It works along the same lines as a normal formatting string,
1615 with some simple extensions.
1617 %N Article number, left padded with spaces (string)
1619 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1620 %n Name of the poster (string)
1621 %a Extracted name of the poster (string)
1622 %A Extracted address of the poster (string)
1623 %F Contents of the From: header (string)
1624 %x Contents of the Xref: header (string)
1625 %D Date of the article (string)
1626 %d Date of the article (string) in DD-MMM format
1627 %M Message-id of the article (string)
1628 %r References of the article (string)
1629 %c Number of characters in the article (integer)
1630 %L Number of lines in the article (integer)
1631 %I Indentation based on thread level (a string of spaces)
1632 %T A string with two possible values: 80 spaces if the article
1633 is on thread level two or larger and 0 spaces on level one
1634 %R \"A\" if this article has been replied to, \" \" otherwise (character)
1635 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
1636 %[ Opening bracket (character, \"[\" or \"<\")
1637 %] Closing bracket (character, \"]\" or \">\")
1638 %> Spaces of length thread-level (string)
1639 %< Spaces of length (- 20 thread-level) (string)
1640 %i Article score (number)
1641 %z Article zcore (character)
1642 %t Number of articles under the current thread (number).
1643 %e Whether the thread is empty or not (character).
1644 %l GroupLens score (string).
1645 %V Total thread score (number).
1646 %P The line number (number).
1647 %u User defined specifier. The next character in the format string should
1648 be a letter. Gnus will call the function gnus-user-format-function-X,
1649 where X is the letter following %u. The function will be passed the
1650 current header as argument. The function should return a string, which
1651 will be inserted into the summary just like information from any other
1654 Text between %( and %) will be highlighted with `gnus-mouse-face'
1655 when the mouse point is placed inside the area. There can only be one
1658 The %U (status), %R (replied) and %z (zcore) specs have to be handled
1659 with care. For reasons of efficiency, Gnus will compute what column
1660 these characters will end up in, and \"hard-code\" that. This means that
1661 it is illegal to have these specs after a variable-length spec. Well,
1662 you might not be arrested, but your summary buffer will look strange,
1663 which is bad enough.
1665 The smart choice is to have these specs as for to the left as
1668 This restriction may disappear in later versions of Gnus."
1670 :group 'gnus-summary-format)
1673 ;;; Skeleton keymaps
1676 (defun gnus-suppress-keymap (keymap)
1677 (suppress-keymap keymap)
1678 (let ((keys `([delete] "\177" "\M-u"))) ;gnus-mouse-2
1680 (define-key keymap (pop keys) 'undefined))))
1682 (defvar gnus-article-mode-map
1683 (let ((keymap (make-keymap)))
1684 (gnus-suppress-keymap keymap)
1686 (defvar gnus-summary-mode-map
1687 (let ((keymap (make-keymap)))
1688 (gnus-suppress-keymap keymap)
1690 (defvar gnus-group-mode-map
1691 (let ((keymap (make-keymap)))
1692 (gnus-suppress-keymap keymap)
1697 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
1698 ;; If you want the cursor to go somewhere else, set these two
1699 ;; functions in some startup hook to whatever you want.
1700 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
1701 (defalias 'gnus-group-position-point 'gnus-goto-colon)
1703 ;;; Various macros and substs.
1705 (defun gnus-header-from (header)
1706 (mail-header-from header))
1708 (defmacro gnus-gethash (string hashtable)
1709 "Get hash value of STRING in HASHTABLE."
1710 `(symbol-value (intern-soft ,string ,hashtable)))
1712 (defmacro gnus-sethash (string value hashtable)
1713 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
1714 `(set (intern ,string ,hashtable) ,value))
1715 (put 'gnus-sethash 'edebug-form-spec '(form form form))
1717 (defmacro gnus-group-unread (group)
1718 "Get the currently computed number of unread articles in GROUP."
1719 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
1721 (defmacro gnus-group-entry (group)
1722 "Get the newsrc entry for GROUP."
1723 `(gnus-gethash ,group gnus-newsrc-hashtb))
1725 (defmacro gnus-active (group)
1726 "Get active info on GROUP."
1727 `(gnus-gethash ,group gnus-active-hashtb))
1729 (defmacro gnus-set-active (group active)
1730 "Set GROUP's active info."
1731 `(gnus-sethash ,group ,active gnus-active-hashtb))
1733 (defun gnus-alive-p ()
1734 "Say whether Gnus is running or not."
1735 (and gnus-group-buffer
1736 (get-buffer gnus-group-buffer)
1738 (set-buffer gnus-group-buffer)
1739 (eq major-mode 'gnus-group-mode))))
1741 ;; Info access macros.
1743 (defmacro gnus-info-group (info)
1745 (defmacro gnus-info-rank (info)
1747 (defmacro gnus-info-read (info)
1749 (defmacro gnus-info-marks (info)
1751 (defmacro gnus-info-method (info)
1753 (defmacro gnus-info-params (info)
1756 (defmacro gnus-info-level (info)
1757 `(let ((rank (gnus-info-rank ,info)))
1761 (defmacro gnus-info-score (info)
1762 `(let ((rank (gnus-info-rank ,info)))
1763 (or (and (consp rank) (cdr rank)) 0)))
1765 (defmacro gnus-info-set-group (info group)
1766 `(setcar ,info ,group))
1767 (defmacro gnus-info-set-rank (info rank)
1768 `(setcar (nthcdr 1 ,info) ,rank))
1769 (defmacro gnus-info-set-read (info read)
1770 `(setcar (nthcdr 2 ,info) ,read))
1771 (defmacro gnus-info-set-marks (info marks &optional extend)
1773 `(gnus-info-set-entry ,info ,marks 3)
1774 `(setcar (nthcdr 3 ,info) ,marks)))
1775 (defmacro gnus-info-set-method (info method &optional extend)
1777 `(gnus-info-set-entry ,info ,method 4)
1778 `(setcar (nthcdr 4 ,info) ,method)))
1779 (defmacro gnus-info-set-params (info params &optional extend)
1781 `(gnus-info-set-entry ,info ,params 5)
1782 `(setcar (nthcdr 5 ,info) ,params)))
1784 (defun gnus-info-set-entry (info entry number)
1785 ;; Extend the info until we have enough elements.
1786 (while (<= (length info) number)
1787 (nconc info (list nil)))
1789 (setcar (nthcdr number info) entry))
1791 (defmacro gnus-info-set-level (info level)
1792 `(let ((rank (cdr ,info)))
1793 (if (consp (car rank))
1794 (setcar (car rank) ,level)
1795 (setcar rank ,level))))
1796 (defmacro gnus-info-set-score (info score)
1797 `(let ((rank (cdr ,info)))
1798 (if (consp (car rank))
1799 (setcdr (car rank) ,score)
1800 (setcar rank (cons (car rank) ,score)))))
1802 (defmacro gnus-get-info (group)
1803 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
1805 ;; Byte-compiler warning.
1806 (defvar gnus-visual)
1807 ;; Find out whether the gnus-visual TYPE is wanted.
1808 (defun gnus-visual-p (&optional type class)
1809 (and gnus-visual ; Has to be non-nil, at least.
1810 (if (not type) ; We don't care about type.
1812 (if (listp gnus-visual) ; It's a list, so we check it.
1813 (or (memq type gnus-visual)
1814 (memq class gnus-visual))
1817 ;;; Load the compatability functions.
1826 (defvar gnus-shutdown-alist nil)
1828 (defun gnus-add-shutdown (function &rest symbols)
1829 "Run FUNCTION whenever one of SYMBOLS is shut down."
1830 (push (cons function symbols) gnus-shutdown-alist))
1832 (defun gnus-shutdown (symbol)
1833 "Shut down everything that waits for SYMBOL."
1834 (let ((alist gnus-shutdown-alist)
1836 (while (setq entry (pop alist))
1837 (when (memq symbol (cdr entry))
1838 (funcall (car entry))))))
1842 ;;; Gnus Utility Functions
1845 ;; Add the current buffer to the list of buffers to be killed on exit.
1846 (defun gnus-add-current-to-buffer-list ()
1847 (or (memq (current-buffer) gnus-buffer-list)
1848 (push (current-buffer) gnus-buffer-list)))
1850 (defun gnus-version (&optional arg)
1851 "Version number of this version of Gnus.
1852 If ARG, insert string at point."
1854 (let ((methods gnus-valid-select-methods)
1857 ;; Go through all the legal select methods and add their version
1858 ;; numbers to the total version string. Only the backends that are
1859 ;; currently in use will have their message numbers taken into
1862 (setq meth (intern (concat (caar methods) "-version")))
1864 (stringp (symbol-value meth))
1865 (setq mess (concat mess "; " (symbol-value meth))))
1866 (setq methods (cdr methods)))
1868 (insert (message mess))
1871 (defun gnus-continuum-version (version)
1872 "Return VERSION as a floating point number."
1873 (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version)
1874 (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version))
1875 (let* ((alpha (and (match-beginning 1) (match-string 1 version)))
1876 (number (match-string 2 version))
1878 (string-match "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number)
1879 (setq major (string-to-number (match-string 1 number)))
1880 (setq minor (string-to-number (match-string 2 number)))
1881 (setq least (if (match-beginning 3)
1882 (string-to-number (match-string 3 number))
1886 (format "%s00%02d%02d"
1888 ((member alpha '("(ding)" "d")) "4.99")
1889 ((member alpha '("September" "s")) "5.01")
1890 ((member alpha '("Red" "r")) "5.03"))
1892 (format "%d.%02d%02d" major minor least))))))
1894 (defun gnus-info-find-node ()
1895 "Find Info documentation of Gnus."
1897 ;; Enlarge info window if needed.
1898 (let (gnus-info-buffer)
1899 (Info-goto-node (cadr (assq major-mode gnus-info-nodes)))
1900 (setq gnus-info-buffer (current-buffer))
1901 (gnus-configure-windows 'info)))
1903 ;;; More various functions.
1905 (defun gnus-group-read-only-p (&optional group)
1906 "Check whether GROUP supports editing or not.
1907 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
1908 that that variable is buffer-local to the summary buffers."
1909 (let ((group (or group gnus-newsgroup-name)))
1910 (not (gnus-check-backend-function 'request-replace-article group))))
1912 (defun gnus-group-total-expirable-p (group)
1913 "Check whether GROUP is total-expirable or not."
1914 (let ((params (gnus-group-find-parameter group))
1917 ((memq 'total-expire params)
1919 ((setq val (assq 'total-expire params)) ; (auto-expire . t)
1921 (gnus-total-expirable-newsgroups ; Check var.
1922 (string-match gnus-total-expirable-newsgroups group)))))
1924 (defun gnus-group-auto-expirable-p (group)
1925 "Check whether GROUP is total-expirable or not."
1926 (let ((params (gnus-group-find-parameter group))
1929 ((memq 'auto-expire params)
1931 ((setq val (assq 'auto-expire params)) ; (auto-expire . t)
1933 (gnus-auto-expirable-newsgroups ; Check var.
1934 (string-match gnus-auto-expirable-newsgroups group)))))
1936 (defun gnus-virtual-group-p (group)
1937 "Say whether GROUP is virtual or not."
1938 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
1939 gnus-valid-select-methods)))
1941 (defun gnus-news-group-p (group &optional article)
1942 "Return non-nil if GROUP (and ARTICLE) come from a news server."
1943 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
1944 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
1945 (eq (gnus-request-type group article) 'news))))
1947 ;; Returns a list of writable groups.
1948 (defun gnus-writable-groups ()
1949 (let ((alist gnus-newsrc-alist)
1951 (while (setq group (car (pop alist)))
1952 (unless (gnus-group-read-only-p group)
1953 (push group groups)))
1956 ;; Check whether to use long file names.
1957 (defun gnus-use-long-file-name (symbol)
1958 ;; The variable has to be set...
1959 (and gnus-use-long-file-name
1960 ;; If it isn't a list, then we return t.
1961 (or (not (listp gnus-use-long-file-name))
1962 ;; If it is a list, and the list contains `symbol', we
1964 (not (memq symbol gnus-use-long-file-name)))))
1966 ;; Generate a unique new group name.
1967 (defun gnus-generate-new-group-name (leaf)
1970 (while (gnus-gethash name gnus-newsrc-hashtb)
1971 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
1974 (defun gnus-ephemeral-group-p (group)
1975 "Say whether GROUP is ephemeral or not."
1976 (gnus-group-get-parameter group 'quit-config))
1978 (defun gnus-group-quit-config (group)
1979 "Return the quit-config of GROUP."
1980 (gnus-group-get-parameter group 'quit-config))
1982 (defun gnus-kill-ephemeral-group (group)
1983 "Remove ephemeral GROUP from relevant structures."
1984 (gnus-sethash group nil gnus-newsrc-hashtb))
1986 (defun gnus-simplify-mode-line ()
1987 "Make mode lines a bit simpler."
1988 (setq mode-line-modified "-- ")
1989 (when (listp mode-line-format)
1990 (make-local-variable 'mode-line-format)
1991 (setq mode-line-format (copy-sequence mode-line-format))
1992 (when (equal (nth 3 mode-line-format) " ")
1993 (setcar (nthcdr 3 mode-line-format) " "))))
1995 ;;; Servers and groups.
1997 (defsubst gnus-server-add-address (method)
1998 (let ((method-name (symbol-name (car method))))
1999 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2000 (not (assq (intern (concat method-name "-address")) method))
2001 (memq 'physical-address (assq (car method)
2002 gnus-valid-select-methods)))
2003 (append method (list (list (intern (concat method-name "-address"))
2007 (defsubst gnus-server-get-method (group method)
2008 ;; Input either a server name, and extended server name, or a
2009 ;; select method, and return a select method.
2010 (cond ((stringp method)
2011 (gnus-server-to-method method))
2012 ((equal method gnus-select-method)
2014 ((and (stringp (car method)) group)
2015 (gnus-server-extend-method group method))
2016 ((and method (not group)
2017 (equal (cadr method) ""))
2020 (gnus-server-add-address method))))
2022 (defun gnus-server-to-method (server)
2023 "Map virtual server names to select methods."
2025 ;; Is this a method, perhaps?
2026 (and server (listp server) server)
2027 ;; Perhaps this is the native server?
2028 (and (equal server "native") gnus-select-method)
2029 ;; It should be in the server alist.
2030 (cdr (assoc server gnus-server-alist))
2031 ;; It could be in the predefined server alist.
2032 (cdr (assoc server gnus-predefined-server-alist))
2033 ;; If not, we look through all the opened server
2034 ;; to see whether we can find it there.
2035 (let ((opened gnus-opened-servers))
2037 (not (equal server (format "%s:%s" (caaar opened)
2042 (defmacro gnus-method-equal (ss1 ss2)
2043 "Say whether two servers are equal."
2047 (and (= (length s1) (length s2))
2049 (while (and s1 (member (car s1) s2))
2053 (defun gnus-server-equal (m1 m2)
2054 "Say whether two methods are equal."
2055 (let ((m1 (cond ((null m1) gnus-select-method)
2056 ((stringp m1) (gnus-server-to-method m1))
2058 (m2 (cond ((null m2) gnus-select-method)
2059 ((stringp m2) (gnus-server-to-method m2))
2061 (gnus-method-equal m1 m2)))
2063 (defun gnus-servers-using-backend (backend)
2064 "Return a list of known servers using BACKEND."
2065 (let ((opened gnus-opened-servers)
2068 (when (eq backend (caaar opened))
2069 (push (caar opened) out))
2073 (defun gnus-archive-server-wanted-p ()
2074 "Say whether the user wants to use the archive server."
2076 ((or (not gnus-message-archive-method)
2077 (not gnus-message-archive-group))
2079 ((and gnus-message-archive-method gnus-message-archive-group)
2082 (let ((active (cadr (assq 'nnfolder-active-file
2083 gnus-message-archive-method))))
2085 (file-exists-p active))))))
2087 (defun gnus-group-prefixed-name (group method)
2088 "Return the whole name from GROUP and METHOD."
2089 (and (stringp method) (setq method (gnus-server-to-method method)))
2092 (concat (format "%s" (car method))
2094 (or (assoc (format "%s" (car method))
2095 (gnus-methods-using 'address))
2096 (gnus-server-equal method gnus-message-archive-method))
2098 (not (string= (nth 1 method) "")))
2099 (concat "+" (nth 1 method)))
2102 (defun gnus-group-real-prefix (group)
2103 "Return the prefix of the current group name."
2104 (if (string-match "^[^:]+:" group)
2105 (substring group 0 (match-end 0))
2108 (defun gnus-group-method (group)
2109 "Return the server or method used for selecting GROUP.
2110 You should probably use `gnus-find-method-for-group' instead."
2111 (let ((prefix (gnus-group-real-prefix group)))
2112 (if (equal prefix "")
2114 (let ((servers gnus-opened-servers)
2116 backend possible found)
2117 (if (string-match "^[^\\+]+\\+" prefix)
2118 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2119 server (substring prefix (match-end 0) (1- (length prefix))))
2120 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2122 (when (eq (caaar servers) backend)
2123 (setq possible (caar servers))
2124 (when (equal (cadaar servers) server)
2125 (setq found (caar servers))))
2127 (or (car (rassoc found gnus-server-alist))
2129 (car (rassoc possible gnus-server-alist))
2131 (list backend server))))))
2133 (defsubst gnus-secondary-method-p (method)
2134 "Return whether METHOD is a secondary select method."
2135 (let ((methods gnus-secondary-select-methods)
2136 (gmethod (gnus-server-get-method nil method)))
2138 (not (equal (gnus-server-get-method nil (car methods))
2140 (setq methods (cdr methods)))
2143 (defun gnus-group-foreign-p (group)
2144 "Say whether a group is foreign or not."
2145 (and (not (gnus-group-native-p group))
2146 (not (gnus-group-secondary-p group))))
2148 (defun gnus-group-native-p (group)
2149 "Say whether the group is native or not."
2150 (not (string-match ":" group)))
2152 (defun gnus-group-secondary-p (group)
2153 "Say whether the group is secondary or not."
2154 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2156 (defun gnus-group-find-parameter (group &optional symbol)
2157 "Return the group parameters for GROUP.
2158 If SYMBOL, return the value of that symbol in the group parameters."
2160 (set-buffer gnus-group-buffer)
2161 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2163 (gnus-group-parameter-value parameters symbol)
2166 (defun gnus-group-get-parameter (group &optional symbol)
2167 "Return the group parameters for GROUP.
2168 If SYMBOL, return the value of that symbol in the group parameters."
2169 (let ((params (gnus-info-params (gnus-get-info group))))
2171 (gnus-group-parameter-value params symbol)
2174 (defun gnus-group-parameter-value (params symbol)
2175 "Return the value of SYMBOL in group PARAMS."
2176 (or (car (memq symbol params)) ; It's either a simple symbol
2177 (cdr (assq symbol params)))) ; or a cons.
2179 (defun gnus-group-add-parameter (group param)
2180 "Add parameter PARAM to GROUP."
2181 (let ((info (gnus-get-info group)))
2183 () ; This is a dead group. We just ignore it.
2184 ;; Cons the new param to the old one and update.
2185 (gnus-group-set-info (cons param (gnus-info-params info))
2188 (defun gnus-group-set-parameter (group name value)
2189 "Set parameter NAME to VALUE in GROUP."
2190 (let ((info (gnus-get-info group)))
2192 () ; This is a dead group. We just ignore it.
2193 (let ((old-params (gnus-info-params info))
2194 (new-params (list (cons name value))))
2196 (when (or (not (listp (car old-params)))
2197 (not (eq (caar old-params) name)))
2198 (setq new-params (append new-params (list (car old-params)))))
2199 (setq old-params (cdr old-params)))
2200 (gnus-group-set-info new-params group 'params)))))
2202 (defun gnus-group-add-score (group &optional score)
2203 "Add SCORE to the GROUP score.
2204 If SCORE is nil, add 1 to the score of GROUP."
2205 (let ((info (gnus-get-info group)))
2207 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2209 ;; Function written by Stainless Steel Rat <ratinox@peorth.gweep.net>
2210 (defun gnus-short-group-name (group &optional levels)
2211 "Collapse GROUP name LEVELS.
2212 Select methods are stripped and any remote host name is stripped down to
2213 just the host name."
2214 (let* ((name "") (foreign "") (depth -1) (skip 1)
2217 (while (string-match "\\." group skip)
2218 (setq skip (match-end 0)
2221 ;; separate foreign select method from group name and collapse.
2222 ;; if method contains a server, collapse to non-domain server name,
2223 ;; otherwise collapse to select method
2224 (when (string-match ":" group)
2225 (cond ((string-match "+" group)
2226 (let* ((plus (string-match "+" group))
2227 (colon (string-match ":" group (or plus 0)))
2228 (dot (string-match "\\." group)))
2229 (setq foreign (concat
2230 (substring group (+ 1 plus)
2231 (cond ((null dot) colon)
2232 ((< colon dot) colon)
2233 ((< dot colon) dot)))
2235 group (substring group (+ 1 colon)))))
2237 (let* ((colon (string-match ":" group)))
2238 (setq foreign (concat (substring group 0 (+ 1 colon)))
2239 group (substring group (+ 1 colon)))))))
2240 ;; collapse group name leaving LEVELS uncollapsed elements
2242 (if (and (string-match "\\." group) (> levels 0))
2243 (setq name (concat name (substring group 0 1))
2244 group (substring group (match-end 0))
2246 name (concat name "."))
2247 (setq name (concat foreign name group)
2253 ;;; Kill file handling.
2256 (defun gnus-apply-kill-file ()
2257 "Apply a kill file to the current newsgroup.
2258 Returns the number of articles marked as read."
2259 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2260 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2261 (gnus-apply-kill-file-internal)
2264 (defun gnus-kill-save-kill-buffer ()
2265 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2266 (when (get-file-buffer file)
2268 (set-buffer (get-file-buffer file))
2269 (when (buffer-modified-p)
2271 (kill-buffer (current-buffer))))))
2273 (defcustom gnus-kill-file-name "KILL"
2274 "Suffix of the kill files."
2278 (defun gnus-newsgroup-kill-file (newsgroup)
2279 "Return the name of a kill file name for NEWSGROUP.
2280 If NEWSGROUP is nil, return the global kill file name instead."
2282 ;; The global KILL file is placed at top of the directory.
2283 ((or (null newsgroup)
2284 (string-equal newsgroup ""))
2285 (expand-file-name gnus-kill-file-name
2286 gnus-kill-files-directory))
2287 ;; Append ".KILL" to newsgroup name.
2288 ((gnus-use-long-file-name 'not-kill)
2289 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2290 "." gnus-kill-file-name)
2291 gnus-kill-files-directory))
2292 ;; Place "KILL" under the hierarchical directory.
2294 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2295 "/" gnus-kill-file-name)
2296 gnus-kill-files-directory))))
2300 (defun gnus-member-of-valid (symbol group)
2301 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2303 (symbol-name (car (gnus-find-method-for-group group)))
2304 gnus-valid-select-methods)))
2306 (defun gnus-method-option-p (method option)
2307 "Return non-nil if select METHOD has OPTION as a parameter."
2308 (when (stringp method)
2309 (setq method (gnus-server-to-method method)))
2310 (memq option (assoc (format "%s" (car method))
2311 gnus-valid-select-methods)))
2313 (defun gnus-server-extend-method (group method)
2314 ;; This function "extends" a virtual server. If the server is
2315 ;; "hello", and the select method is ("hello" (my-var "something"))
2316 ;; in the group "alt.alt", this will result in a new virtual server
2317 ;; called "hello+alt.alt".
2320 (if (gnus-server-equal method gnus-select-method) gnus-select-method
2321 (cdr (assoc (car method) gnus-server-alist))))))
2324 (setcar (cdr entry) (concat (nth 1 entry) "+" group))
2325 (nconc entry (cdr method)))))
2327 (defun gnus-server-status (method)
2328 "Return the status of METHOD."
2329 (nth 1 (assoc method gnus-opened-servers)))
2331 (defun gnus-group-name-to-method (group)
2332 "Guess a select method based on GROUP."
2333 (if (string-match ":" group)
2334 (let ((server (substring group 0 (match-beginning 0))))
2335 (if (string-match "\\+" server)
2336 (list (intern (substring server 0 (match-beginning 0)))
2337 (substring server (match-end 0)))
2338 (list (intern server) "")))
2339 gnus-select-method))
2341 (defun gnus-find-method-for-group (group &optional info)
2342 "Find the select method that GROUP uses."
2343 (or gnus-override-method
2346 (let ((info (or info (gnus-get-info group)))
2349 (not (setq method (gnus-info-method info)))
2350 (equal method "native"))
2353 (cond ((stringp method)
2354 (gnus-server-to-method method))
2355 ((stringp (car method))
2356 (gnus-server-extend-method group method))
2359 (cond ((equal (cadr method) "")
2361 ((null (cadr method))
2362 (list (car method) ""))
2364 (gnus-server-add-address method)))))))
2366 (defun gnus-check-backend-function (func group)
2367 "Check whether GROUP supports function FUNC.
2368 GROUP can either be a string (a group name) or a select method."
2370 (let ((method (if (stringp group)
2371 (car (gnus-find-method-for-group group))
2373 (unless (featurep method)
2375 (fboundp (intern (format "%s-%s" method func))))))
2377 (defun gnus-methods-using (feature)
2378 "Find all methods that have FEATURE."
2379 (let ((valids gnus-valid-select-methods)
2382 (when (memq feature (car valids))
2383 (push (car valids) outs))
2384 (setq valids (cdr valids)))
2387 (defun gnus-read-group (prompt &optional default)
2388 "Prompt the user for a group name.
2389 Disallow illegal group names."
2395 (setq group (read-string (concat prefix prompt)
2397 'gnus-group-history)))
2398 (setq prefix (format "Illegal group name: \"%s\". " group)
2402 (defun gnus-read-method (prompt)
2403 "Prompt the user for a method.
2404 Allow completion over sensible values."
2407 prompt (append gnus-valid-select-methods gnus-predefined-server-alist
2409 nil t nil 'gnus-method-history)))
2412 (setq method gnus-select-method))
2413 ((assoc method gnus-valid-select-methods)
2414 (list (intern method)
2415 (if (memq 'prompt-address
2416 (assoc method gnus-valid-select-methods))
2417 (read-string "Address: ")
2419 ((assoc method gnus-server-alist)
2422 (list (intern method) "")))))
2424 ;;; User-level commands.
2427 (defun gnus-slave-no-server (&optional arg)
2428 "Read network news as a slave, without connecting to local server"
2430 (gnus-no-server arg t))
2433 (defun gnus-no-server (&optional arg slave)
2435 If ARG is a positive number, Gnus will use that as the
2436 startup level. If ARG is nil, Gnus will be started at level 2.
2437 If ARG is non-nil and not a positive number, Gnus will
2438 prompt the user for the name of an NNTP server to use.
2439 As opposed to `gnus', this command will not connect to the local server."
2441 (gnus-no-server-1 arg slave))
2444 (defun gnus-slave (&optional arg)
2445 "Read news as a slave."
2447 (gnus arg nil 'slave))
2450 (defun gnus-other-frame (&optional arg)
2451 "Pop up a frame to read news."
2453 (let ((window (get-buffer-window gnus-group-buffer)))
2455 (select-frame (window-frame window)))
2456 ((= (length (frame-list)) 1)
2457 (select-frame (make-frame)))
2463 (defun gnus (&optional arg dont-connect slave)
2465 If ARG is non-nil and a positive number, Gnus will use that as the
2466 startup level. If ARG is non-nil and not a positive number, Gnus will
2467 prompt the user for the name of an NNTP server to use."
2469 (gnus-1 arg dont-connect slave))
2471 ;; Allow redefinition of Gnus functions.
2477 ;;; gnus.el ends here