1 ;;; gnus.el --- a newsreader for GNU Emacs
2 ;; Copyright (C) 1987, 1988, 1989, 1990, 1993, 1994, 1995, 1996,
3 ;; 1997, 1998, 2000, 2001 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 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
40 (defgroup gnus-charset nil
41 "Group character set issues."
42 :link '(custom-manual "(gnus)Charsets")
46 (defgroup gnus-cache nil
50 (defgroup gnus-start nil
51 "Starting your favorite newsreader."
54 (defgroup gnus-start-server nil
55 "Server options at startup."
58 ;; These belong to gnus-group.el.
59 (defgroup gnus-group nil
61 :link '(custom-manual "(gnus)The Group Buffer")
64 (defgroup gnus-group-foreign nil
66 :link '(custom-manual "(gnus)Foreign Groups")
69 (defgroup gnus-group-new nil
70 "Automatic subscription of new groups."
73 (defgroup gnus-group-levels nil
75 :link '(custom-manual "(gnus)Group Levels")
78 (defgroup gnus-group-select nil
80 :link '(custom-manual "(gnus)Selecting a Group")
83 (defgroup gnus-group-listing nil
84 "Showing slices of the group list."
85 :link '(custom-manual "(gnus)Listing Groups")
88 (defgroup gnus-group-visual nil
89 "Sorting the group buffer."
90 :link '(custom-manual "(gnus)Group Buffer Format")
94 (defgroup gnus-group-various nil
95 "Various group options."
96 :link '(custom-manual "(gnus)Scanning New Messages")
99 ;; These belong to gnus-sum.el.
100 (defgroup gnus-summary nil
102 :link '(custom-manual "(gnus)The Summary Buffer")
105 (defgroup gnus-summary-exit nil
106 "Leaving summary buffers."
107 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
108 :group 'gnus-summary)
110 (defgroup gnus-summary-marks nil
111 "Marks used in summary buffers."
112 :link '(custom-manual "(gnus)Marking Articles")
113 :group 'gnus-summary)
115 (defgroup gnus-thread nil
116 "Ordering articles according to replies."
117 :link '(custom-manual "(gnus)Threading")
118 :group 'gnus-summary)
120 (defgroup gnus-summary-format nil
121 "Formatting of the summary buffer."
122 :link '(custom-manual "(gnus)Summary Buffer Format")
123 :group 'gnus-summary)
125 (defgroup gnus-summary-choose nil
127 :link '(custom-manual "(gnus)Choosing Articles")
128 :group 'gnus-summary)
130 (defgroup gnus-summary-maneuvering nil
131 "Summary movement commands."
132 :link '(custom-manual "(gnus)Summary Maneuvering")
133 :group 'gnus-summary)
135 (defgroup gnus-summary-mail nil
136 "Mail group commands."
137 :link '(custom-manual "(gnus)Mail Group Commands")
138 :group 'gnus-summary)
140 (defgroup gnus-summary-sort nil
141 "Sorting the summary buffer."
142 :link '(custom-manual "(gnus)Sorting")
143 :group 'gnus-summary)
145 (defgroup gnus-summary-visual nil
146 "Highlighting and menus in the summary buffer."
147 :link '(custom-manual "(gnus)Summary Highlighting")
149 :group 'gnus-summary)
151 (defgroup gnus-summary-various nil
152 "Various summary buffer options."
153 :link '(custom-manual "(gnus)Various Summary Stuff")
154 :group 'gnus-summary)
156 (defgroup gnus-summary-pick nil
157 "Pick mode in the summary buffer."
158 :link '(custom-manual "(gnus)Pick and Read")
160 :group 'gnus-summary)
162 (defgroup gnus-summary-tree nil
163 "Tree display of threads in the summary buffer."
164 :link '(custom-manual "(gnus)Tree Display")
166 :group 'gnus-summary)
168 ;; Belongs to gnus-uu.el
169 (defgroup gnus-extract-view nil
170 "Viewing extracted files."
171 :link '(custom-manual "(gnus)Viewing Files")
172 :group 'gnus-extract)
174 ;; Belongs to gnus-score.el
175 (defgroup gnus-score nil
176 "Score and kill file handling."
179 (defgroup gnus-score-kill nil
183 (defgroup gnus-score-adapt nil
184 "Adaptive score files."
187 (defgroup gnus-score-default nil
188 "Default values for score files."
191 (defgroup gnus-score-expire nil
192 "Expiring score rules."
195 (defgroup gnus-score-decay nil
196 "Decaying score rules."
199 (defgroup gnus-score-files nil
200 "Score and kill file names."
204 (defgroup gnus-score-various nil
205 "Various scoring and killing options."
209 (defgroup gnus-visual nil
210 "Options controling the visual fluff."
214 (defgroup gnus-agent nil
215 "Offline support for Gnus."
218 (defgroup gnus-files nil
219 "Files used by Gnus."
222 (defgroup gnus-dribble-file nil
224 :link '(custom-manual "(gnus)Auto Save")
227 (defgroup gnus-newsrc nil
228 "Storing Gnus state."
231 (defgroup gnus-server nil
232 "Options related to newsservers and other servers used by Gnus."
235 (defgroup gnus-message '((message custom-group))
236 "Composing replies and followups in Gnus."
239 (defgroup gnus-meta nil
240 "Meta variables controling major portions of Gnus.
241 In general, modifying these variables does not take affect until Gnus
242 is restarted, and sometimes reloaded."
245 (defgroup gnus-various nil
246 "Other Gnus options."
247 :link '(custom-manual "(gnus)Various Various")
250 (defgroup gnus-mime nil
251 "Variables for controlling the Gnus MIME interface."
254 (defgroup gnus-exit nil
256 :link '(custom-manual "(gnus)Exiting Gnus")
259 (defconst gnus-version-number "0.01"
260 "Version number for this version of Gnus.")
262 (defconst gnus-version (format "Oort Gnus v%s" 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 (unless (fboundp 'gnus-group-remove-excess-properties)
278 (defalias 'gnus-group-remove-excess-properties 'ignore))
280 (unless (fboundp 'gnus-set-text-properties)
281 (defalias 'gnus-set-text-properties 'set-text-properties))
283 (unless (featurep 'gnus-xmas)
284 (defalias 'gnus-make-overlay 'make-overlay)
285 (defalias 'gnus-delete-overlay 'delete-overlay)
286 (defalias 'gnus-overlay-put 'overlay-put)
287 (defalias 'gnus-move-overlay 'move-overlay)
288 (defalias 'gnus-overlay-buffer 'overlay-buffer)
289 (defalias 'gnus-overlay-start 'overlay-start)
290 (defalias 'gnus-overlay-end 'overlay-end)
291 (defalias 'gnus-extent-detached-p 'ignore)
292 (defalias 'gnus-extent-start-open 'ignore)
293 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
294 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
295 (defalias 'gnus-character-to-event 'identity)
296 (defalias 'gnus-add-text-properties 'add-text-properties)
297 (defalias 'gnus-put-text-property 'put-text-property)
298 (defvar gnus-mode-line-image-cache t)
299 (if (fboundp 'find-image)
300 (defun gnus-mode-line-buffer-identification (line)
301 (let ((str (car-safe line)))
302 (if (and (stringp str)
303 (string-match "^Gnus:" str))
304 (progn (add-text-properties
307 (if (eq t gnus-mode-line-image-cache)
308 (setq gnus-mode-line-image-cache
310 '((:type xpm :file "gnus-pointer.xpm"
312 (:type xbm :file "gnus-pointer.xbm"
314 gnus-mode-line-image-cache)
315 'help-echo "This is Gnus")
319 (defalias 'gnus-mode-line-buffer-identification 'identity))
320 (defalias 'gnus-characterp 'numberp)
321 (defalias 'gnus-deactivate-mark 'deactivate-mark)
322 (defalias 'gnus-window-edges 'window-edges)
323 (defalias 'gnus-key-press-event-p 'numberp)
324 ;;(defalias 'gnus-decode-rfc1522 'ignore)
327 ;; We define these group faces here to avoid the display
328 ;; update forced when creating new faces.
330 (defface gnus-group-news-1-face
333 (:foreground "PaleTurquoise" :bold t))
336 (:foreground "ForestGreen" :bold t))
339 "Level 1 newsgroup face.")
341 (defface gnus-group-news-1-empty-face
344 (:foreground "PaleTurquoise"))
347 (:foreground "ForestGreen"))
350 "Level 1 empty newsgroup face.")
352 (defface gnus-group-news-2-face
355 (:foreground "turquoise" :bold t))
358 (:foreground "CadetBlue4" :bold t))
361 "Level 2 newsgroup face.")
363 (defface gnus-group-news-2-empty-face
366 (:foreground "turquoise"))
369 (:foreground "CadetBlue4"))
372 "Level 2 empty newsgroup face.")
374 (defface gnus-group-news-3-face
383 "Level 3 newsgroup face.")
385 (defface gnus-group-news-3-empty-face
394 "Level 3 empty newsgroup face.")
396 (defface gnus-group-news-4-face
405 "Level 4 newsgroup face.")
407 (defface gnus-group-news-4-empty-face
416 "Level 4 empty newsgroup face.")
418 (defface gnus-group-news-5-face
427 "Level 5 newsgroup face.")
429 (defface gnus-group-news-5-empty-face
438 "Level 5 empty newsgroup face.")
440 (defface gnus-group-news-6-face
449 "Level 6 newsgroup face.")
451 (defface gnus-group-news-6-empty-face
460 "Level 6 empty newsgroup face.")
462 (defface gnus-group-news-low-face
465 (:foreground "DarkTurquoise" :bold t))
468 (:foreground "DarkGreen" :bold t))
471 "Low level newsgroup face.")
473 (defface gnus-group-news-low-empty-face
476 (:foreground "DarkTurquoise"))
479 (:foreground "DarkGreen"))
482 "Low level empty newsgroup face.")
484 (defface gnus-group-mail-1-face
487 (:foreground "aquamarine1" :bold t))
490 (:foreground "DeepPink3" :bold t))
493 "Level 1 mailgroup face.")
495 (defface gnus-group-mail-1-empty-face
498 (:foreground "aquamarine1"))
501 (:foreground "DeepPink3"))
503 (:italic t :bold t)))
504 "Level 1 empty mailgroup face.")
506 (defface gnus-group-mail-2-face
509 (:foreground "aquamarine2" :bold t))
512 (:foreground "HotPink3" :bold t))
515 "Level 2 mailgroup face.")
517 (defface gnus-group-mail-2-empty-face
520 (:foreground "aquamarine2"))
523 (:foreground "HotPink3"))
526 "Level 2 empty mailgroup face.")
528 (defface gnus-group-mail-3-face
531 (:foreground "aquamarine3" :bold t))
534 (:foreground "magenta4" :bold t))
537 "Level 3 mailgroup face.")
539 (defface gnus-group-mail-3-empty-face
542 (:foreground "aquamarine3"))
545 (:foreground "magenta4"))
548 "Level 3 empty mailgroup face.")
550 (defface gnus-group-mail-low-face
553 (:foreground "aquamarine4" :bold t))
556 (:foreground "DeepPink4" :bold t))
559 "Low level mailgroup face.")
561 (defface gnus-group-mail-low-empty-face
564 (:foreground "aquamarine4"))
567 (:foreground "DeepPink4"))
570 "Low level empty mailgroup face.")
572 ;; Summary mode faces.
574 (defface gnus-summary-selected-face '((t
576 "Face used for selected articles.")
578 (defface gnus-summary-cancelled-face
580 (:foreground "yellow" :background "black")))
581 "Face used for cancelled articles.")
583 (defface gnus-summary-high-ticked-face
586 (:foreground "pink" :bold t))
589 (:foreground "firebrick" :bold t))
592 "Face used for high interest ticked articles.")
594 (defface gnus-summary-low-ticked-face
597 (:foreground "pink" :italic t))
600 (:foreground "firebrick" :italic t))
603 "Face used for low interest ticked articles.")
605 (defface gnus-summary-normal-ticked-face
608 (:foreground "pink"))
611 (:foreground "firebrick"))
614 "Face used for normal interest ticked articles.")
616 (defface gnus-summary-high-ancient-face
619 (:foreground "SkyBlue" :bold t))
622 (:foreground "RoyalBlue" :bold t))
625 "Face used for high interest ancient articles.")
627 (defface gnus-summary-low-ancient-face
630 (:foreground "SkyBlue" :italic t))
633 (:foreground "RoyalBlue" :italic t))
636 "Face used for low interest ancient articles.")
638 (defface gnus-summary-normal-ancient-face
641 (:foreground "SkyBlue"))
644 (:foreground "RoyalBlue"))
647 "Face used for normal interest ancient articles.")
649 (defface gnus-summary-high-unread-face
652 "Face used for high interest unread articles.")
654 (defface gnus-summary-low-unread-face
657 "Face used for low interest unread articles.")
659 (defface gnus-summary-normal-unread-face
662 "Face used for normal interest unread articles.")
664 (defface gnus-summary-high-read-face
667 (:foreground "PaleGreen"
671 (:foreground "DarkGreen"
675 "Face used for high interest read articles.")
677 (defface gnus-summary-low-read-face
680 (:foreground "PaleGreen"
684 (:foreground "DarkGreen"
688 "Face used for low interest read articles.")
690 (defface gnus-summary-normal-read-face
693 (:foreground "PaleGreen"))
696 (:foreground "DarkGreen"))
699 "Face used for normal interest read articles.")
706 (defvar gnus-buffers nil)
708 (defun gnus-get-buffer-create (name)
709 "Do the same as `get-buffer-create', but store the created buffer."
710 (or (get-buffer name)
711 (car (push (get-buffer-create name) gnus-buffers))))
713 (defun gnus-add-buffer ()
714 "Add the current buffer to the list of Gnus buffers."
715 (push (current-buffer) gnus-buffers))
717 (defun gnus-buffers ()
718 "Return a list of live Gnus buffers."
719 (while (and gnus-buffers
720 (not (buffer-name (car gnus-buffers))))
722 (let ((buffers gnus-buffers))
724 (if (buffer-name (cadr buffers))
726 (setcdr buffers (cddr buffers)))))
731 (defvar gnus-group-buffer "*Group*")
734 (autoload 'gnus-play-jingle "gnus-audio"))
736 (defface gnus-splash-face
739 (:foreground "Brown"))
742 (:foreground "Brown"))
745 "Face of the splash screen.")
747 (defun gnus-splash ()
749 (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
750 (let ((buffer-read-only nil))
752 (unless gnus-inhibit-startup-message
753 (gnus-group-startup-message)
755 (when gnus-play-startup-jingle
756 (gnus-play-jingle))))))
758 (defun gnus-indent-rigidly (start end arg)
759 "Indent rigidly using only spaces and no tabs."
762 (narrow-to-region start end)
764 (indent-rigidly start end arg)
765 ;; We translate tabs into spaces -- not everybody uses
766 ;; an 8-character tab.
767 (goto-char (point-min))
768 (while (search-forward "\t" nil t)
769 (replace-match " " t t))))))
771 (defvar gnus-simple-splash nil)
773 (defun gnus-group-startup-message (&optional x y)
774 "Insert startup message in current buffer."
775 ;; Insert the message.
779 (fboundp 'find-image)
781 (let ((image (find-image
782 `((:type xpm :file "gnus.xpm")
783 (:type pbm :file "gnus.pbm"
784 ;; Account for the pbm's blackground.
785 :background ,(face-foreground 'gnus-splash-face)
786 :foreground ,(face-background 'default))
787 (:type xbm :file "gnus.xbm"
788 ;; Account for the xbm's blackground.
789 :background ,(face-foreground 'gnus-splash-face)
790 :foreground ,(face-background 'default))))))
792 (let ((size (image-size image)))
793 (insert-char ?\n (max 0 (round (- (window-height)
794 (or y (cdr size)) 1) 2)))
795 (insert-char ?\ (max 0 (round (- (window-width)
796 (or x (car size))) 2)))
797 (insert-image image))
798 (setq gnus-simple-splash nil)
804 _ ___ __ ___ __ _ ___
824 (gnus-indent-rigidly (point-min) (point-max)
825 (/ (max (- (window-width) (or x 46)) 0) 2))
826 (goto-char (point-min))
828 (let* ((pheight (count-lines (point-min) (point-max)))
829 (wheight (window-height))
830 (rest (- wheight pheight)))
831 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
833 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
834 (setq gnus-simple-splash t)))
835 (goto-char (point-min))
836 (setq mode-line-buffer-identification (concat " " gnus-version))
837 (set-buffer-modified-p t))
840 (let ((command (format "%s" this-command)))
841 (if (and (string-match "gnus" command)
842 (not (string-match "gnus-other-frame" command)))
844 (gnus-get-buffer-create gnus-group-buffer))))
851 (defvar gnus-group-parameters-more nil)
853 (defmacro gnus-define-group-parameter (param &rest rest)
854 "Define a group parameter PARAM.
855 REST is a plist of following:
856 :type One of `bool', `list' or `nil'.
857 :function The name of the function.
858 :function-document The document of the function.
859 :parameter-type The type for customizing the parameter.
860 :parameter-document The document for the parameter.
861 :variable The name of the variable.
862 :variable-document The document for the variable.
863 :variable-group The group for customizing the variable.
864 :variable-type The type for customizing the variable.
865 :variable-default The default value of the variable."
866 (let* ((type (plist-get rest :type))
867 (parameter-type (plist-get rest :parameter-type))
868 (parameter-document (plist-get rest :parameter-document))
869 (function (or (plist-get rest :function)
870 (intern (format "gnus-parameter-%s" param))))
871 (function-document (or (plist-get rest :function-document) ""))
872 (variable (or (plist-get rest :variable)
873 (intern (format "gnus-parameter-%s-alist" param))))
874 (variable-document (or (plist-get rest :variable-document) ""))
875 (variable-group (plist-get rest :variable-group))
876 (variable-type (or (plist-get rest :variable-type)
877 `(quote (repeat (list (regexp :tag "Group")
879 (variable-default (plist-get rest :variable-default)))
882 `(defcustom ,variable ,variable-default
884 :group 'gnus-group-parameter
885 :group ',variable-group
886 :type ,variable-type)
887 `(setq gnus-group-parameters-more
888 (delq (assq ',param gnus-group-parameters-more)
889 gnus-group-parameters-more))
890 `(add-to-list 'gnus-group-parameters-more
893 ,parameter-document))
895 `(defun ,function (group)
897 (let ((params (gnus-group-find-parameter group))
900 ((memq ',param params)
902 ((setq val (assq ',param params))
905 (string-match ,variable group)))))
906 `(defun ,function (name)
909 (or (gnus-group-find-parameter name ',param)
910 (let ((alist ,variable)
912 (while (setq elem (pop alist))
914 (string-match (car elem) name))
919 '(if (consp value) (car value) value))))))))))
921 (defcustom gnus-home-directory "~/"
922 "Directory variable that specifies the \"home\" directory.
923 All other Gnus path variables are initialized from this variable."
927 (defcustom gnus-directory (or (getenv "SAVEDIR")
928 (nnheader-concat gnus-home-directory "News/"))
929 "*Directory variable from which all other Gnus file variables are derived.
931 Note that Gnus is mostly loaded when the `.gnus.el' file is read.
932 This means that other directory variables that are initialized from
933 this variable won't be set properly if you set this variable in `.gnus.el'.
934 Set this variable in `.emacs' instead."
938 (defcustom gnus-default-directory nil
939 "*Default directory for all Gnus buffers."
941 :type '(choice (const :tag "current" nil)
944 ;; Site dependent variables. These variables should be defined in
947 (defvar gnus-default-nntp-server nil
948 "Specify a default NNTP server.
949 This variable should be defined in paths.el, and should never be set
951 If you want to change servers, you should use `gnus-select-method'.
952 See the documentation to that variable.")
954 ;; Don't touch this variable.
955 (defvar gnus-nntp-service "nntp"
956 "NNTP service name (\"nntp\" or 119).
957 This is an obsolete variable, which is scarcely used. If you use an
958 nntp server for your newsgroup and want to change the port number
959 used to 899, you would say something along these lines:
961 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
963 (defcustom gnus-nntpserver-file "/etc/nntpserver"
964 "A file with only the name of the nntp server in it."
969 ;; This function is used to check both the environment variable
970 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
971 ;; an nntp server name default.
972 (defun gnus-getenv-nntpserver ()
973 (or (getenv "NNTPSERVER")
974 (and (file-readable-p gnus-nntpserver-file)
976 (set-buffer (gnus-get-buffer-create " *gnus nntp*"))
977 (insert-file-contents gnus-nntpserver-file)
978 (let ((name (buffer-string)))
980 (if (string-match "\\'[ \t\n]*$" name)
983 (kill-buffer (current-buffer))))))))
985 (defcustom gnus-select-method
988 (list 'nntp (or (condition-case nil
989 (gnus-getenv-nntpserver)
991 (when (and gnus-default-nntp-server
992 (not (string= gnus-default-nntp-server "")))
993 gnus-default-nntp-server)
995 (if (or (null gnus-nntp-service)
996 (equal gnus-nntp-service "nntp"))
998 (list gnus-nntp-service)))
1000 "Default method for selecting a newsgroup.
1001 This variable should be a list, where the first element is how the
1002 news is to be fetched, the second is the address.
1004 For instance, if you want to get your news via NNTP from
1005 \"flab.flab.edu\", you could say:
1007 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
1009 If you want to use your local spool, say:
1011 \(setq gnus-select-method (list 'nnspool (system-name)))
1013 If you use this variable, you must set `gnus-nntp-server' to nil.
1015 There is a lot more to know about select methods and virtual servers -
1016 see the manual for details."
1018 :type 'gnus-select-method)
1020 (defcustom gnus-message-archive-method
1022 ;; Don't require it at top level to avoid circularity.
1026 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
1027 (nnfolder-active-file
1028 ,(nnheader-concat message-directory "archive/active"))
1029 (nnfolder-get-new-mail nil)
1030 (nnfolder-inhibit-expiry t)))
1031 "*Method used for archiving messages you've sent.
1032 This should be a mail method.
1034 It's probably not very effective to change this variable once you've
1035 run Gnus once. After doing that, you must edit this server from the
1038 :group 'gnus-message
1039 :type 'gnus-select-method)
1041 (defcustom gnus-message-archive-group nil
1042 "*Name of the group in which to save the messages you've written.
1043 This can either be a string; a list of strings; or an alist
1044 of regexps/functions/forms to be evaluated to return a string (or a list
1045 of strings). The functions are called with the name of the current
1046 group (or nil) as a parameter.
1048 If you want to save your mail in one group and the news articles you
1049 write in another group, you could say something like:
1051 \(setq gnus-message-archive-group
1052 '((if (message-news-p)
1056 Normally the group names returned by this variable should be
1057 unprefixed -- which implicitly means \"store on the archive server\".
1058 However, you may wish to store the message on some other server. In
1059 that case, just return a fully prefixed name of the group --
1060 \"nnml+private:mail.misc\", for instance."
1061 :group 'gnus-message
1062 :type '(choice (const :tag "none" nil)
1067 (defcustom gnus-secondary-servers nil
1068 "List of NNTP servers that the user can choose between interactively.
1069 To make Gnus query you for a server, you have to give `gnus' a
1070 non-numeric prefix - `C-u M-x gnus', in short."
1072 :type '(repeat string))
1074 (defcustom gnus-nntp-server nil
1075 "*The name of the host running the NNTP server.
1076 This variable is semi-obsolete. Use the `gnus-select-method'
1079 :type '(choice (const :tag "disable" nil)
1082 (defcustom gnus-secondary-select-methods nil
1083 "A list of secondary methods that will be used for reading news.
1084 This is a list where each element is a complete select method (see
1085 `gnus-select-method').
1087 If, for instance, you want to read your mail with the nnml backend,
1088 you could set this variable:
1090 \(setq gnus-secondary-select-methods '((nnml \"\")))"
1092 :type '(repeat gnus-select-method))
1094 (defvar gnus-backup-default-subscribed-newsgroups
1095 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
1096 "Default default new newsgroups the first time Gnus is run.
1097 Should be set in paths.el, and shouldn't be touched by the user.")
1099 (defcustom gnus-local-domain nil
1100 "Local domain name without a host name.
1101 The DOMAINNAME environment variable is used instead if it is defined.
1102 If the `system-name' function returns the full Internet name, there is
1103 no need to set this variable."
1104 :group 'gnus-message
1105 :type '(choice (const :tag "default" nil)
1108 (defvar gnus-local-organization nil
1109 "String with a description of what organization (if any) the user belongs to.
1110 Obsolete variable; use `message-user-organization' instead.")
1112 ;; Customization variables
1114 (defcustom gnus-refer-article-method nil
1115 "Preferred method for fetching an article by Message-ID.
1116 If you are reading news from the local spool (with nnspool), fetching
1117 articles by Message-ID is painfully slow. By setting this method to an
1118 nntp method, you might get acceptable results.
1120 The value of this variable must be a valid select method as discussed
1121 in the documentation of `gnus-select-method'.
1123 It can also be a list of select methods, as well as the special symbol
1124 `current', which means to use the current select method. If it is a
1125 list, Gnus will try all the methods in the list until it finds a match."
1127 :type '(choice (const :tag "default" nil)
1128 (const :tag "DejaNews" (nnweb "refer" (nnweb-type dejanews)))
1130 (repeat :menu-tag "Try multiple"
1132 :value (current (nnweb "refer" (nnweb-type dejanews)))
1133 (choice :tag "Method"
1135 (const :tag "DejaNews"
1136 (nnweb "refer" (nnweb-type dejanews)))
1137 gnus-select-method))))
1139 (defcustom gnus-group-faq-directory
1140 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
1141 "/ftp@sunsite.auc.dk:/pub/usenet/"
1142 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
1143 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
1144 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
1145 "/ftp@rtfm.mit.edu:/pub/usenet/"
1146 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
1147 "/ftp@ftp.sunet.se:/pub/usenet/"
1148 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
1149 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
1150 "/ftp@ftp.hk.super.net:/mirror/faqs/")
1151 "*Directory where the group FAQs are stored.
1152 This will most commonly be on a remote machine, and the file will be
1153 fetched by ange-ftp.
1155 This variable can also be a list of directories. In that case, the
1156 first element in the list will be used by default. The others can
1157 be used when being prompted for a site.
1159 Note that Gnus uses an aol machine as the default directory. If this
1160 feels fundamentally unclean, just think of it as a way to finally get
1161 something of value back from them.
1163 If the default site is too slow, try one of these:
1165 North America: mirrors.aol.com /pub/rtfm/usenet
1166 ftp.seas.gwu.edu /pub/rtfm
1167 rtfm.mit.edu /pub/usenet
1168 Europe: ftp.uni-paderborn.de /pub/FAQ
1169 src.doc.ic.ac.uk /usenet/news-FAQS
1170 ftp.sunet.se /pub/usenet
1171 sunsite.auc.dk /pub/usenet
1172 Asia: nctuccca.edu.tw /USENET/FAQ
1173 hwarang.postech.ac.kr /pub/usenet
1174 ftp.hk.super.net /mirror/faqs"
1175 :group 'gnus-group-various
1176 :type '(choice directory
1177 (repeat directory)))
1179 (defcustom gnus-use-cross-reference t
1180 "*Non-nil means that cross referenced articles will be marked as read.
1181 If nil, ignore cross references. If t, mark articles as read in
1182 subscribed newsgroups. If neither t nor nil, mark as read in all
1185 :type '(choice (const :tag "off" nil)
1186 (const :tag "subscribed" t)
1190 (defcustom gnus-process-mark ?#
1192 :group 'gnus-group-visual
1193 :group 'gnus-summary-marks
1196 (defcustom gnus-large-newsgroup 200
1197 "*The number of articles which indicates a large newsgroup.
1198 If the number of articles in a newsgroup is greater than this value,
1199 confirmation is required for selecting the newsgroup."
1200 :group 'gnus-group-select
1203 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
1204 "*Non-nil means that the default name of a file to save articles in is the group name.
1205 If it's nil, the directory form of the group name is used instead.
1207 If this variable is a list, and the list contains the element
1208 `not-score', long file names will not be used for score files; if it
1209 contains the element `not-save', long file names will not be used for
1210 saving; and if it contains the element `not-kill', long file names
1211 will not be used for kill files.
1213 Note that the default for this variable varies according to what system
1214 type you're using. On `usg-unix-v' and `xenix' this variable defaults
1215 to nil while on all other systems it defaults to t."
1219 (defcustom gnus-kill-files-directory gnus-directory
1220 "*Name of the directory where kill files will be stored (default \"~/News\")."
1221 :group 'gnus-score-files
1222 :group 'gnus-score-kill
1225 (defcustom gnus-save-score nil
1226 "*If non-nil, save group scoring info."
1227 :group 'gnus-score-various
1231 (defcustom gnus-use-undo t
1232 "*If non-nil, allow undoing in Gnus group mode buffers."
1236 (defcustom gnus-use-adaptive-scoring nil
1237 "*If non-nil, use some adaptive scoring scheme.
1238 If a list, then the values `word' and `line' are meaningful. The
1239 former will perform adaption on individual words in the subject
1240 header while `line' will perform adaption on several headers."
1242 :group 'gnus-score-adapt
1243 :type '(set (const word) (const line)))
1245 (defcustom gnus-use-cache 'passive
1246 "*If nil, Gnus will ignore the article cache.
1247 If `passive', it will allow entering (and reading) articles
1248 explicitly entered into the cache. If anything else, use the
1249 cache to the full extent of the law."
1252 :type '(choice (const :tag "off" nil)
1253 (const :tag "passive" passive)
1254 (const :tag "active" t)))
1256 (defcustom gnus-use-trees nil
1257 "*If non-nil, display a thread tree buffer."
1261 (defcustom gnus-use-grouplens nil
1262 "*If non-nil, use GroupLens ratings."
1266 (defcustom gnus-keep-backlog nil
1267 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1268 If it is a number N, then Gnus will only keep the last N articles
1269 read. If it is neither nil nor a number, Gnus will keep all read
1270 articles. This is not a good idea."
1272 :type '(choice (const :tag "off" nil)
1277 (defcustom gnus-use-nocem nil
1278 "*If non-nil, Gnus will read NoCeM cancel messages."
1282 (defcustom gnus-suppress-duplicates nil
1283 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1287 (defcustom gnus-use-scoring t
1288 "*If non-nil, enable scoring."
1292 (defcustom gnus-use-picons nil
1293 "*If non-nil, display picons in a frame of their own."
1297 (defcustom gnus-summary-prepare-exit-hook
1298 '(gnus-summary-expire-articles)
1299 "*A hook called when preparing to exit from the summary buffer.
1300 It calls `gnus-summary-expire-articles' by default."
1301 :group 'gnus-summary-exit
1304 (defcustom gnus-novice-user t
1305 "*Non-nil means that you are a usenet novice.
1306 If non-nil, verbose messages may be displayed and confirmations may be
1311 (defcustom gnus-expert-user nil
1312 "*Non-nil means that you will never be asked for confirmation about anything.
1313 That doesn't mean *anything* anything; particularly destructive
1314 commands will still require prompting."
1318 (defcustom gnus-interactive-catchup t
1319 "*If non-nil, require your confirmation when catching up a group."
1320 :group 'gnus-group-select
1323 (defcustom gnus-interactive-exit t
1324 "*If non-nil, require your confirmation when exiting Gnus."
1328 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1329 "*Function for extracting address components from a From header.
1330 Two pre-defined function exist: `gnus-extract-address-components',
1331 which is the default, quite fast, and too simplistic solution, and
1332 `mail-extract-address-components', which works much better, but is
1334 :group 'gnus-summary-format
1335 :type '(radio (function-item gnus-extract-address-components)
1336 (function-item mail-extract-address-components)
1337 (function :tag "Other")))
1339 (defcustom gnus-carpal nil
1340 "*If non-nil, display clickable icons."
1344 (defcustom gnus-shell-command-separator ";"
1345 "String used to separate to shell commands."
1349 (defcustom gnus-valid-select-methods
1350 '(("nntp" post address prompt-address physical-address)
1351 ("nnspool" post address)
1352 ("nnvirtual" post-mail virtual prompt-address)
1353 ("nnmbox" mail respool address)
1354 ("nnml" mail respool address)
1355 ("nnmh" mail respool address)
1356 ("nndir" post-mail prompt-address physical-address)
1357 ("nneething" none address prompt-address physical-address)
1358 ("nndoc" none address prompt-address)
1359 ("nnbabyl" mail address respool)
1360 ("nnkiboze" post virtual)
1361 ("nnsoup" post-mail address)
1362 ("nndraft" post-mail)
1363 ("nnfolder" mail respool address)
1364 ("nngateway" post-mail address prompt-address physical-address)
1371 ("nnagent" post-mail)
1372 ("nnimap" post-mail address prompt-address physical-address))
1373 "*An alist of valid select methods.
1374 The first element of each list lists should be a string with the name
1375 of the select method. The other elements may be the category of
1376 this method (i. e., `post', `mail', `none' or whatever) or other
1377 properties that this method has (like being respoolable).
1378 If you implement a new select method, all you should have to change is
1379 this variable. I think."
1381 :type '(repeat (group (string :tag "Name")
1382 (radio-button-choice (const :format "%v " post)
1383 (const :format "%v " mail)
1384 (const :format "%v " none)
1386 (checklist :inline t
1387 (const :format "%v " address)
1388 (const :format "%v " prompt-address)
1389 (const :format "%v " physical-address)
1390 (const :format "%v " virtual)
1393 (defun gnus-redefine-select-method-widget ()
1394 "Recomputes the select-method widget based on the value of
1395 `gnus-valid-select-methods'."
1396 (define-widget 'gnus-select-method 'list
1397 "Widget for entering a select method."
1399 :tag "Select Method"
1400 :args `((choice :tag "Method"
1401 ,@(mapcar (lambda (entry)
1402 (list 'const :format "%v\n"
1403 (intern (car entry))))
1404 gnus-valid-select-methods)
1405 (symbol :tag "other"))
1406 (string :tag "Address")
1407 (repeat :tag "Options"
1411 (sexp :tag "Value"))))))
1413 (gnus-redefine-select-method-widget)
1415 (defcustom gnus-updated-mode-lines '(group article summary tree)
1416 "List of buffers that should update their mode lines.
1417 The list may contain the symbols `group', `article', `tree' and
1418 `summary'. If the corresponding symbol is present, Gnus will keep
1419 that mode line updated with information that may be pertinent.
1420 If this variable is nil, screen refresh may be quicker."
1421 :group 'gnus-various
1422 :type '(set (const group)
1427 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1428 (defcustom gnus-mode-non-string-length nil
1429 "*Max length of mode-line non-string contents.
1430 If this is nil, Gnus will take space as is needed, leaving the rest
1431 of the modeline intact. Note that the default of nil is unlikely
1432 to be desirable; see the manual for further details."
1433 :group 'gnus-various
1434 :type '(choice (const nil)
1437 (gnus-define-group-parameter
1440 "Return GROUP's to-address."
1442 "*Alist of group regexps and correspondent to-addresses."
1443 :parameter-type '(gnus-email-address :tag "To Address")
1444 :parameter-document "\
1445 This will be used when doing followups and posts.
1447 This is primarily useful in mail groups that represent closed
1448 mailing lists--mailing lists where it's expected that everybody that
1449 writes to the mailing list is subscribed to it. Since using this
1450 parameter ensures that the mail only goes to the mailing list itself,
1451 it means that members won't receive two copies of your followups.
1453 Using `to-address' will actually work whether the group is foreign or
1454 not. Let's say there's a group on the server that is called
1455 `fa.4ad-l'. This is a real newsgroup, but the server has gotten the
1456 articles from a mail-to-news gateway. Posting directly to this group
1457 is therefore impossible--you have to send mail to the mailing list
1460 The gnus-group-split mail splitting mechanism will behave as if this
1461 address was listed in gnus-group-split Addresses (see below).")
1463 (gnus-define-group-parameter
1466 "Return GROUP's to-list."
1468 "*Alist of group regexps and correspondent to-lists."
1469 :parameter-type '(gnus-email-address :tag "To List")
1470 :parameter-document "\
1471 This address will be used when doing a `a' in the group.
1473 It is totally ignored when doing a followup--except that if it is
1474 present in a news group, you'll get mail group semantics when doing
1477 The gnus-group-split mail splitting mechanism will behave as if this
1478 address was listed in gnus-group-split Addresses (see below).")
1480 (gnus-define-group-parameter
1483 :function gnus-group-auto-expirable-p
1485 "Check whether GROUP is auto-expirable or not."
1486 :variable gnus-auto-expirable-newsgroups
1487 :variable-default nil
1489 "*Groups in which to automatically mark read articles as expirable.
1490 If non-nil, this should be a regexp that should match all groups in
1491 which to perform auto-expiry. This only makes sense for mail groups."
1492 :variable-group nnmail-expire
1493 :variable-type '(choice (const nil)
1495 :parameter-type '(const :tag "Automatic Expire" t)
1497 "All articles that are read will be marked as expirable.")
1499 (gnus-define-group-parameter
1502 :function gnus-group-total-expirable-p
1504 "Check whether GROUP is total-expirable or not."
1505 :variable gnus-total-expirable-newsgroups
1506 :variable-default nil
1508 "*Groups in which to perform expiry of all read articles.
1509 Use with extreme caution. All groups that match this regexp will be
1510 expiring - which means that all read articles will be deleted after
1511 \(say) one week. (This only goes for mail groups and the like, of
1513 :variable-group nnmail-expire
1514 :variable-type '(choice (const nil)
1516 :parameter-type '(const :tag "Total Expire" t)
1518 "All read articles will be put through the expiry process
1520 This happens even if they are not marked as expirable.
1523 (defcustom gnus-group-uncollapsed-levels 1
1524 "Number of group name elements to leave alone when making a short group name."
1525 :group 'gnus-group-visual
1528 (defcustom gnus-group-use-permanent-levels nil
1529 "*If non-nil, once you set a level, Gnus will use this level."
1530 :group 'gnus-group-levels
1535 (defcustom gnus-load-hook nil
1536 "A hook run while Gnus is loaded."
1540 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1541 "A hook called to apply kill files to a group.
1542 This hook is intended to apply a kill file to the selected newsgroup.
1543 The function `gnus-apply-kill-file' is called by default.
1545 Since a general kill file is too heavy to use only for a few
1546 newsgroups, I recommend you to use a lighter hook function. For
1547 example, if you'd like to apply a kill file to articles which contains
1548 a string `rmgroup' in subject in newsgroup `control', you can use the
1551 (setq gnus-apply-kill-hook
1554 (cond ((string-match \"control\" gnus-newsgroup-name)
1555 (gnus-kill \"Subject\" \"rmgroup\")
1556 (gnus-expunge \"X\"))))))"
1557 :group 'gnus-score-kill
1558 :options '(gnus-apply-kill-file)
1561 (defcustom gnus-group-change-level-function nil
1562 "Function run when a group level is changed.
1563 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1564 :group 'gnus-group-levels
1569 (defcustom gnus-visual
1570 '(summary-highlight group-highlight article-highlight
1572 summary-menu group-menu article-menu
1573 tree-highlight menu highlight
1574 browse-menu server-menu
1575 page-marker tree-menu binary-menu pick-menu
1577 "*Enable visual features.
1578 If `visual' is disabled, there will be no menus and few faces. Most of
1579 the visual customization options below will be ignored. Gnus will use
1580 less space and be faster as a result.
1582 This variable can also be a list of visual elements to switch on. For
1583 instance, to switch off all visual things except menus, you can say:
1585 (setq gnus-visual '(menu))
1587 Valid elements include `summary-highlight', `group-highlight',
1588 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1589 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1590 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1591 and `grouplens-menu'."
1594 :type '(set (const summary-highlight)
1595 (const group-highlight)
1596 (const article-highlight)
1598 (const summary-menu)
1600 (const article-menu)
1601 (const tree-highlight)
1610 (const grouplens-menu)))
1612 (defcustom gnus-mouse-face
1614 (if (gnus-visual-p 'mouse-face 'highlight)
1615 (if (boundp 'gnus-mouse-face)
1616 (or gnus-mouse-face 'highlight)
1620 "*Face used for group or summary buffer mouse highlighting.
1621 The line beneath the mouse pointer will be highlighted with this
1626 (defcustom gnus-article-save-directory gnus-directory
1627 "*Name of the directory articles will be saved in (default \"~/News\")."
1628 :group 'gnus-article-saving
1631 (defvar gnus-plugged t
1632 "Whether Gnus is plugged or not.")
1634 (defcustom gnus-default-charset 'iso-8859-1
1635 "Default charset assumed to be used when viewing non-ASCII characters.
1636 This variable is overridden on a group-to-group basis by the
1637 gnus-group-charset-alist variable and is only used on groups not
1638 covered by that variable."
1640 :group 'gnus-charset)
1643 ;;; Internal variables
1645 (defvar gnus-agent-gcc-header "X-Gnus-Agent-Gcc")
1646 (defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
1647 (defvar gnus-draft-meta-information-header "X-Draft-From")
1648 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1649 (defvar gnus-original-article-buffer " *Original Article*")
1650 (defvar gnus-newsgroup-name nil)
1651 (defvar gnus-ephemeral-servers nil)
1653 (defvar gnus-agent nil
1654 "Whether we want to use the Gnus agent or not.")
1656 (defvar gnus-agent-fetching nil
1657 "Whether Gnus agent is in fetching mode.")
1659 (defvar gnus-command-method nil
1660 "Dynamically bound variable that says what the current backend is.")
1662 (defvar gnus-current-select-method nil
1663 "The current method for selecting a newsgroup.")
1665 (defvar gnus-tree-buffer "*Tree*"
1666 "Buffer where Gnus thread trees are displayed.")
1669 (defvar gnus-use-generic-from nil)
1671 ;; Variable holding the user answers to all method prompts.
1672 (defvar gnus-method-history nil)
1674 ;; Variable holding the user answers to all mail method prompts.
1675 (defvar gnus-mail-method-history nil)
1677 ;; Variable holding the user answers to all group prompts.
1678 (defvar gnus-group-history nil)
1680 (defvar gnus-server-alist nil
1681 "List of available servers.")
1683 (defcustom gnus-cache-directory
1684 (nnheader-concat gnus-directory "cache/")
1685 "*The directory where cached articles will be stored."
1689 (defvar gnus-predefined-server-alist
1692 (nnspool-spool-directory ,gnus-cache-directory)
1693 (nnspool-nov-directory ,gnus-cache-directory)
1694 (nnspool-active-file
1695 ,(nnheader-concat gnus-cache-directory "active"))))
1696 "List of predefined (convenience) servers.")
1698 (defvar gnus-topic-indentation "");; Obsolete variable.
1700 (defconst gnus-article-mark-lists
1701 '((marked . tick) (replied . reply)
1702 (expirable . expire) (killed . killed)
1703 (bookmarks . bookmark) (dormant . dormant)
1704 (scored . score) (saved . save)
1705 (cached . cache) (downloadable . download)
1706 (unsendable . unsend)))
1708 (defvar gnus-headers-retrieved-by nil)
1709 (defvar gnus-article-reply nil)
1710 (defvar gnus-override-method nil)
1711 (defvar gnus-article-check-size nil)
1712 (defvar gnus-opened-servers nil)
1714 (defvar gnus-current-kill-article nil)
1716 (defvar gnus-have-read-active-file nil)
1718 (defconst gnus-maintainer
1719 "bugs@gnus.org (The Gnus Bugfixing Girls + Boys)"
1720 "The mail address of the Gnus maintainers.")
1722 (defvar gnus-info-nodes
1723 '((gnus-group-mode "(gnus)The Group Buffer")
1724 (gnus-summary-mode "(gnus)The Summary Buffer")
1725 (gnus-article-mode "(gnus)The Article Buffer")
1726 (gnus-server-mode "(gnus)The Server Buffer")
1727 (gnus-browse-mode "(gnus)Browse Foreign Server")
1728 (gnus-tree-mode "(gnus)Tree Display"))
1729 "Alist of major modes and related Info nodes.")
1731 (defvar gnus-group-buffer "*Group*")
1732 (defvar gnus-summary-buffer "*Summary*")
1733 (defvar gnus-article-buffer "*Article*")
1734 (defvar gnus-server-buffer "*Server*")
1736 (defvar gnus-slave nil
1737 "Whether this Gnus is a slave or not.")
1739 (defvar gnus-batch-mode nil
1740 "Whether this Gnus is running in batch mode or not.")
1742 (defvar gnus-variable-list
1743 '(gnus-newsrc-options gnus-newsrc-options-n
1744 gnus-newsrc-last-checked-date
1745 gnus-newsrc-alist gnus-server-alist
1746 gnus-killed-list gnus-zombie-list
1747 gnus-topic-topology gnus-topic-alist
1749 "Gnus variables saved in the quick startup file.")
1751 (defvar gnus-newsrc-alist nil
1752 "Assoc list of read articles.
1753 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1755 (defvar gnus-newsrc-hashtb nil
1756 "Hashtable of gnus-newsrc-alist.")
1758 (defvar gnus-killed-list nil
1759 "List of killed newsgroups.")
1761 (defvar gnus-killed-hashtb nil
1762 "Hash table equivalent of gnus-killed-list.")
1764 (defvar gnus-zombie-list nil
1765 "List of almost dead newsgroups.")
1767 (defvar gnus-description-hashtb nil
1768 "Descriptions of newsgroups.")
1770 (defvar gnus-list-of-killed-groups nil
1771 "List of newsgroups that have recently been killed by the user.")
1773 (defvar gnus-active-hashtb nil
1774 "Hashtable of active articles.")
1776 (defvar gnus-moderated-hashtb nil
1777 "Hashtable of moderated newsgroups.")
1779 ;; Save window configuration.
1780 (defvar gnus-prev-winconf nil)
1782 (defvar gnus-reffed-article-number nil)
1784 ;;; Let the byte-compiler know that we know about this variable.
1785 (defvar rmail-default-rmail-file)
1787 (defvar gnus-dead-summary nil)
1789 (defvar gnus-invalid-group-regexp "[: `'\"/]\\|^$"
1790 "Regexp matching invalid groups.")
1792 ;;; End of variables.
1794 ;; Define some autoload functions Gnus might use.
1797 ;; This little mapcar goes through the list below and marks the
1798 ;; symbols in question as autoloaded functions.
1801 (let ((interactive (nth 1 (memq ':interactive package))))
1805 (when (consp function)
1806 (setq keymap (car (memq 'keymap function)))
1807 (setq function (car function)))
1808 (unless (fboundp function)
1809 (autoload function (car package) nil interactive keymap))))
1810 (if (eq (nth 1 package) ':interactive)
1813 '(("info" :interactive t Info-goto-node)
1815 ("qp" quoted-printable-decode-region quoted-printable-decode-string)
1816 ("ps-print" ps-print-preprint)
1817 ("message" :interactive t
1818 message-send-and-exit message-yank-original)
1819 ("babel" babel-as-string)
1820 ("nnmail" nnmail-split-fancy nnmail-article-group)
1821 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1822 ("rmailout" rmail-output rmail-output-to-rmail-file)
1823 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1824 rmail-show-message rmail-summary-exists
1825 rmail-select-summary rmail-update-summary)
1826 ("gnus-audio" :interactive t gnus-audio-play)
1827 ("gnus-xmas" gnus-xmas-splash)
1828 ("gnus-soup" :interactive t
1829 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1830 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1831 ("nnsoup" nnsoup-pack-replies)
1832 ("score-mode" :interactive t gnus-score-mode)
1833 ("gnus-mh" gnus-summary-save-article-folder
1834 gnus-Folder-save-name gnus-folder-save-name)
1835 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1836 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1837 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1838 gnus-demon-add-disconnection gnus-demon-add-handler
1839 gnus-demon-remove-handler)
1840 ("gnus-demon" :interactive t
1841 gnus-demon-init gnus-demon-cancel)
1842 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1843 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1844 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1845 gnus-nocem-unwanted-article-p)
1846 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1847 gnus-server-server-name)
1848 ("gnus-srvr" gnus-browse-foreign-server)
1849 ("gnus-cite" :interactive t
1850 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1851 gnus-article-hide-citation gnus-article-fill-cited-article
1852 gnus-article-hide-citation-in-followups)
1853 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1854 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1855 gnus-execute gnus-expunge gnus-batch-kill gnus-batch-score)
1856 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1857 gnus-cache-possibly-remove-articles gnus-cache-request-article
1858 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1859 gnus-cache-enter-remove-article gnus-cached-article-p
1860 gnus-cache-open gnus-cache-close gnus-cache-update-article
1861 gnus-cache-articles-in-group)
1862 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1863 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1864 ("gnus-score" :interactive t
1865 gnus-summary-increase-score gnus-summary-set-score
1866 gnus-summary-raise-thread gnus-summary-raise-same-subject
1867 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1868 gnus-summary-lower-thread gnus-summary-lower-same-subject
1869 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1870 gnus-summary-current-score gnus-score-delta-default
1871 gnus-score-flush-cache gnus-score-close
1872 gnus-possibly-score-headers gnus-score-followup-article
1873 gnus-score-followup-thread)
1875 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1876 gnus-current-score-file-nondirectory gnus-score-adaptive
1877 gnus-score-find-trace gnus-score-file-name)
1878 ("gnus-cus" :interactive t gnus-group-customize gnus-score-customize)
1879 ("gnus-topic" :interactive t gnus-topic-mode)
1880 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters
1881 gnus-subscribe-topics)
1882 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1883 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1884 ("gnus-uu" :interactive t
1885 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1886 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1887 gnus-uu-mark-by-regexp gnus-uu-mark-all
1888 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1889 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1890 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1891 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1892 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1893 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1894 gnus-uu-decode-binhex-view gnus-uu-unmark-thread
1895 gnus-uu-mark-over gnus-uu-post-news)
1896 ("gnus-uu" gnus-uu-delete-work-dir gnus-uu-unmark-thread)
1897 ("gnus-msg" (gnus-summary-send-map keymap)
1898 gnus-article-mail gnus-copy-article-buffer gnus-extended-version)
1899 ("gnus-msg" :interactive t
1900 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1901 gnus-summary-followup gnus-summary-followup-with-original
1902 gnus-summary-cancel-article gnus-summary-supersede-article
1903 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1904 gnus-summary-mail-forward gnus-summary-mail-other-window
1905 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1906 gnus-summary-wide-reply gnus-summary-followup-to-mail
1907 gnus-summary-followup-to-mail-with-original gnus-bug
1908 gnus-summary-wide-reply-with-original
1909 gnus-summary-post-forward gnus-summary-wide-reply-with-original
1910 gnus-summary-post-forward)
1911 ("gnus-picon" :interactive t gnus-article-display-picons
1912 gnus-group-display-picons gnus-picons-article-display-x-face
1913 gnus-picons-display-x-face)
1914 ("gnus-picon" gnus-picons-buffer-name)
1915 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1916 gnus-grouplens-mode)
1917 ("smiley" :interactive t gnus-smiley-display)
1918 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1919 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1920 gnus-list-of-unread-articles gnus-list-of-read-articles
1921 gnus-offer-save-summaries gnus-make-thread-indent-array
1922 gnus-summary-exit gnus-update-read-articles gnus-summary-last-subject
1923 gnus-summary-skip-intangible gnus-summary-article-number
1924 gnus-data-header gnus-data-find)
1925 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1926 gnus-group-list-groups gnus-group-first-unread-group
1927 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1928 gnus-group-setup-buffer gnus-group-get-new-news
1929 gnus-group-make-help-group gnus-group-update-group
1930 gnus-group-iterate gnus-group-group-name)
1931 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1932 gnus-backlog-remove-article)
1933 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1934 gnus-article-prepare gnus-article-set-window-start
1935 gnus-article-next-page gnus-article-prev-page
1936 gnus-request-article-this-buffer gnus-article-mode
1937 gnus-article-setup-buffer gnus-narrow-to-page
1938 gnus-article-delete-invisible-text gnus-treat-article)
1939 ("gnus-art" :interactive t
1940 gnus-article-hide-headers gnus-article-hide-boring-headers
1941 gnus-article-treat-overstrike
1942 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1943 gnus-article-display-x-face gnus-article-de-quoted-unreadable
1944 gnus-article-de-base64-unreadable
1945 gnus-article-decode-HZ
1946 gnus-article-wash-html
1947 gnus-article-hide-pgp
1948 gnus-article-hide-pem gnus-article-hide-signature
1949 gnus-article-strip-leading-blank-lines gnus-article-date-local
1950 gnus-article-date-original gnus-article-date-lapsed
1951 gnus-article-show-all-headers
1952 gnus-article-edit-mode gnus-article-edit-article
1953 gnus-article-edit-done gnus-article-decode-encoded-words
1954 gnus-start-date-timer gnus-stop-date-timer
1955 gnus-mime-view-all-parts)
1956 ("gnus-int" gnus-request-type)
1957 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1958 gnus-dribble-enter gnus-read-init-file gnus-dribble-touch)
1959 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1960 gnus-dup-enter-articles)
1961 ("gnus-range" gnus-copy-sequence)
1962 ("gnus-eform" gnus-edit-form)
1963 ("gnus-move" :interactive t
1964 gnus-group-move-group-to-server gnus-change-server)
1965 ("gnus-logic" gnus-score-advanced)
1966 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1967 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1968 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1969 gnus-async-halt-prefetch)
1970 ("gnus-agent" gnus-open-agent gnus-agent-get-function
1971 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
1972 gnus-agent-get-undownloaded-list gnus-agent-fetch-session
1973 gnus-summary-set-agent-mark gnus-agent-save-group-info)
1974 ("gnus-agent" :interactive t
1975 gnus-unplugged gnus-agentize gnus-agent-batch)
1976 ("gnus-vm" :interactive t gnus-summary-save-in-vm
1977 gnus-summary-save-article-vm)
1978 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-drafts)
1979 ("gnus-mlspl" gnus-group-split gnus-group-split-fancy)
1980 ("gnus-mlspl" :interactive t gnus-group-split-setup
1981 gnus-group-split-update))))
1983 ;;; gnus-sum.el thingies
1986 (defcustom gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
1987 "*The format specification of the lines in the summary buffer.
1989 It works along the same lines as a normal formatting string,
1990 with some simple extensions.
1992 %N Article number, left padded with spaces (string)
1994 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1995 %n Name of the poster (string)
1996 %a Extracted name of the poster (string)
1997 %A Extracted address of the poster (string)
1998 %F Contents of the From: header (string)
1999 %f Contents of the From: or To: headers (string)
2000 %x Contents of the Xref: header (string)
2001 %D Date of the article (string)
2002 %d Date of the article (string) in DD-MMM format
2003 %M Message-id of the article (string)
2004 %r References of the article (string)
2005 %c Number of characters in the article (integer)
2006 %L Number of lines in the article (integer)
2007 %I Indentation based on thread level (a string of spaces)
2008 %T A string with two possible values: 80 spaces if the article
2009 is on thread level two or larger and 0 spaces on level one
2010 %R \"A\" if this article has been replied to, \" \" otherwise (character)
2011 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
2012 %[ Opening bracket (character, \"[\" or \"<\")
2013 %] Closing bracket (character, \"]\" or \">\")
2014 %> Spaces of length thread-level (string)
2015 %< Spaces of length (- 20 thread-level) (string)
2016 %i Article score (number)
2017 %z Article zcore (character)
2018 %t Number of articles under the current thread (number).
2019 %e Whether the thread is empty or not (character).
2020 %l GroupLens score (string).
2021 %V Total thread score (number).
2022 %P The line number (number).
2023 %O Download mark (character).
2024 %u User defined specifier. The next character in the format string should
2025 be a letter. Gnus will call the function gnus-user-format-function-X,
2026 where X is the letter following %u. The function will be passed the
2027 current header as argument. The function should return a string, which
2028 will be inserted into the summary just like information from any other
2031 Text between %( and %) will be highlighted with `gnus-mouse-face'
2032 when the mouse point is placed inside the area. There can only be one
2035 The %U (status), %R (replied) and %z (zcore) specs have to be handled
2036 with care. For reasons of efficiency, Gnus will compute what column
2037 these characters will end up in, and \"hard-code\" that. This means that
2038 it is invalid to have these specs after a variable-length spec. Well,
2039 you might not be arrested, but your summary buffer will look strange,
2040 which is bad enough.
2042 The smart choice is to have these specs as for to the left as
2045 This restriction may disappear in later versions of Gnus."
2047 :group 'gnus-summary-format)
2050 ;;; Skeleton keymaps
2053 (defun gnus-suppress-keymap (keymap)
2054 (suppress-keymap keymap)
2055 (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
2057 (define-key keymap (pop keys) 'undefined))))
2059 (defvar gnus-article-mode-map
2060 (let ((keymap (make-sparse-keymap)))
2061 (gnus-suppress-keymap keymap)
2063 (defvar gnus-summary-mode-map
2064 (let ((keymap (make-keymap)))
2065 (gnus-suppress-keymap keymap)
2067 (defvar gnus-group-mode-map
2068 (let ((keymap (make-keymap)))
2069 (gnus-suppress-keymap keymap)
2074 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
2075 ;; If you want the cursor to go somewhere else, set these two
2076 ;; functions in some startup hook to whatever you want.
2077 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
2078 (defalias 'gnus-group-position-point 'gnus-goto-colon)
2080 ;;; Various macros and substs.
2082 (defun gnus-header-from (header)
2083 (mail-header-from header))
2085 (defmacro gnus-gethash (string hashtable)
2086 "Get hash value of STRING in HASHTABLE."
2087 `(symbol-value (intern-soft ,string ,hashtable)))
2089 (defmacro gnus-sethash (string value hashtable)
2090 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
2091 `(set (intern ,string ,hashtable) ,value))
2092 (put 'gnus-sethash 'edebug-form-spec '(form form form))
2094 (defmacro gnus-group-unread (group)
2095 "Get the currently computed number of unread articles in GROUP."
2096 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
2098 (defmacro gnus-group-entry (group)
2099 "Get the newsrc entry for GROUP."
2100 `(gnus-gethash ,group gnus-newsrc-hashtb))
2102 (defmacro gnus-active (group)
2103 "Get active info on GROUP."
2104 `(gnus-gethash ,group gnus-active-hashtb))
2106 (defmacro gnus-set-active (group active)
2107 "Set GROUP's active info."
2108 `(gnus-sethash ,group ,active gnus-active-hashtb))
2110 ;; Info access macros.
2112 (defmacro gnus-info-group (info)
2114 (defmacro gnus-info-rank (info)
2116 (defmacro gnus-info-read (info)
2118 (defmacro gnus-info-marks (info)
2120 (defmacro gnus-info-method (info)
2122 (defmacro gnus-info-params (info)
2125 (defmacro gnus-info-level (info)
2126 `(let ((rank (gnus-info-rank ,info)))
2130 (defmacro gnus-info-score (info)
2131 `(let ((rank (gnus-info-rank ,info)))
2132 (or (and (consp rank) (cdr rank)) 0)))
2134 (defmacro gnus-info-set-group (info group)
2135 `(setcar ,info ,group))
2136 (defmacro gnus-info-set-rank (info rank)
2137 `(setcar (nthcdr 1 ,info) ,rank))
2138 (defmacro gnus-info-set-read (info read)
2139 `(setcar (nthcdr 2 ,info) ,read))
2140 (defmacro gnus-info-set-marks (info marks &optional extend)
2142 `(gnus-info-set-entry ,info ,marks 3)
2143 `(setcar (nthcdr 3 ,info) ,marks)))
2144 (defmacro gnus-info-set-method (info method &optional extend)
2146 `(gnus-info-set-entry ,info ,method 4)
2147 `(setcar (nthcdr 4 ,info) ,method)))
2148 (defmacro gnus-info-set-params (info params &optional extend)
2150 `(gnus-info-set-entry ,info ,params 5)
2151 `(setcar (nthcdr 5 ,info) ,params)))
2153 (defun gnus-info-set-entry (info entry number)
2154 ;; Extend the info until we have enough elements.
2155 (while (<= (length info) number)
2156 (nconc info (list nil)))
2158 (setcar (nthcdr number info) entry))
2160 (defmacro gnus-info-set-level (info level)
2161 `(let ((rank (cdr ,info)))
2162 (if (consp (car rank))
2163 (setcar (car rank) ,level)
2164 (setcar rank ,level))))
2165 (defmacro gnus-info-set-score (info score)
2166 `(let ((rank (cdr ,info)))
2167 (if (consp (car rank))
2168 (setcdr (car rank) ,score)
2169 (setcar rank (cons (car rank) ,score)))))
2171 (defmacro gnus-get-info (group)
2172 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
2174 ;; Byte-compiler warning.
2175 (defvar gnus-visual)
2176 ;; Find out whether the gnus-visual TYPE is wanted.
2177 (defun gnus-visual-p (&optional type class)
2178 (and gnus-visual ; Has to be non-nil, at least.
2179 (if (not type) ; We don't care about type.
2181 (if (listp gnus-visual) ; It's a list, so we check it.
2182 (or (memq type gnus-visual)
2183 (memq class gnus-visual))
2186 ;;; Load the compatability functions.
2195 (defvar gnus-shutdown-alist nil)
2197 (defun gnus-add-shutdown (function &rest symbols)
2198 "Run FUNCTION whenever one of SYMBOLS is shut down."
2199 (push (cons function symbols) gnus-shutdown-alist))
2201 (defun gnus-shutdown (symbol)
2202 "Shut down everything that waits for SYMBOL."
2203 (let ((alist gnus-shutdown-alist)
2205 (while (setq entry (pop alist))
2206 (when (memq symbol (cdr entry))
2207 (funcall (car entry))))))
2211 ;;; Gnus Utility Functions
2215 (defmacro gnus-string-or (&rest strings)
2216 "Return the first element of STRINGS that is a non-blank string.
2217 STRINGS will be evaluated in normal `or' order."
2218 `(gnus-string-or-1 ',strings))
2220 (defun gnus-string-or-1 (strings)
2223 (setq string (eval (pop strings)))
2224 (if (string-match "^[ \t]*$" string)
2226 (setq strings nil)))
2229 (defun gnus-version (&optional arg)
2230 "Version number of this version of Gnus.
2231 If ARG, insert string at point."
2234 (insert (message gnus-version))
2235 (message gnus-version)))
2237 (defun gnus-continuum-version (version)
2238 "Return VERSION as a floating point number."
2239 (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version)
2240 (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version))
2241 (let ((alpha (and (match-beginning 1) (match-string 1 version)))
2242 (number (match-string 2 version))
2244 (unless (string-match
2245 "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number)
2246 (error "Invalid version string: %s" version))
2247 (setq major (string-to-number (match-string 1 number))
2248 minor (string-to-number (match-string 2 number))
2249 least (if (match-beginning 3)
2250 (string-to-number (match-string 3 number))
2254 (format "%s00%02d%02d"
2255 (if (member alpha '("(ding)" "d"))
2259 (- (mm-char-int (aref (downcase alpha) 0))
2263 (format "%d.%02d%02d" major minor least))))))
2265 (defun gnus-info-find-node ()
2266 "Find Info documentation of Gnus."
2268 ;; Enlarge info window if needed.
2269 (let (gnus-info-buffer)
2270 (Info-goto-node (cadr (assq major-mode gnus-info-nodes)))
2271 (setq gnus-info-buffer (current-buffer))
2272 (gnus-configure-windows 'info)))
2275 ;;; gnus-interactive
2278 (defvar gnus-current-prefix-symbol nil
2279 "Current prefix symbol.")
2281 (defvar gnus-current-prefix-symbols nil
2282 "List of current prefix symbols.")
2284 (defun gnus-interactive (string &optional params)
2285 "Return a list that can be fed to `interactive'.
2286 See `interactive' for full documentation.
2288 Adds the following specs:
2290 y -- The current symbolic prefix.
2291 Y -- A list of the current symbolic prefix(es).
2292 A -- Article number.
2293 H -- Article header.
2297 (while (< i (length string))
2298 (string-match ".\\([^\n]*\\)\n?" string i)
2299 (setq c (aref string i))
2301 (setq prompt (match-string 1 string)))
2302 (setq i (match-end 0))
2303 ;; We basically emulate just about everything that
2304 ;; `interactive' does, but add the specs listed above.
2308 (completing-read prompt obarray 'fboundp t))
2310 (read-buffer prompt (current-buffer) t))
2312 (read-buffer prompt (other-buffer (current-buffer))))
2316 (completing-read prompt obarray 'commandp t))
2320 (read-file-name prompt nil default-directory 'lambda))
2322 (read-file-name prompt nil nil 'lambda))
2324 (read-file-name prompt))
2326 (read-key-sequence prompt))
2328 (error "Not implemented spec"))
2330 (error "Not implemented spec"))
2334 (error "Not implemented spec"))
2336 (string-to-number (read-from-minibuffer prompt)))
2338 (prefix-numeric-value current-prefix-arg))
2344 (read-string prompt))
2346 (intern (read-string prompt)))
2348 (read-variable prompt))
2350 (read-minibuffer prompt))
2352 (eval-minibuffer prompt))
2353 ;; And here the new specs come.
2355 gnus-current-prefix-symbol)
2357 gnus-current-prefix-symbols)
2359 (gnus-group-group-name))
2361 (gnus-summary-skip-intangible)
2362 (or (get-text-property (point) 'gnus-number)
2363 (gnus-summary-last-subject)))
2365 (gnus-data-header (gnus-data-find (gnus-summary-article-number))))
2367 (error "Non-implemented spec")))
2371 (push (if (< (point) (mark) (point) (mark))) out)
2372 (push (if (> (point) (mark) (point) (mark))) out))))
2373 (setq out (delq 'gnus-prefix-nil out))
2376 (defun gnus-symbolic-argument (&optional arg)
2377 "Read a symbolic argument and a command, and then execute command."
2379 (let* ((in-command (this-command-keys))
2380 (command in-command)
2381 gnus-current-prefix-symbols
2382 gnus-current-prefix-symbol
2384 (while (equal in-command command)
2385 (message "%s-" (key-description (this-command-keys)))
2386 (push (intern (char-to-string (read-char))) syms)
2387 (setq command (read-key-sequence nil t)))
2388 (setq gnus-current-prefix-symbols (nreverse syms)
2389 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2390 (call-interactively (key-binding command t))))
2392 ;;; More various functions.
2394 (defsubst gnus-check-backend-function (func group)
2395 "Check whether GROUP supports function FUNC.
2396 GROUP can either be a string (a group name) or a select method."
2398 (let ((method (if (stringp group)
2399 (car (gnus-find-method-for-group group))
2401 (unless (featurep method)
2403 (fboundp (intern (format "%s-%s" method func))))))
2405 (defun gnus-group-read-only-p (&optional group)
2406 "Check whether GROUP supports editing or not.
2407 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2408 that that variable is buffer-local to the summary buffers."
2409 (let ((group (or group gnus-newsgroup-name)))
2410 (not (gnus-check-backend-function 'request-replace-article group))))
2412 (defun gnus-virtual-group-p (group)
2413 "Say whether GROUP is virtual or not."
2414 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2415 gnus-valid-select-methods)))
2417 (defun gnus-news-group-p (group &optional article)
2418 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2419 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
2420 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
2421 (if (or (null article)
2422 (not (< article 0)))
2423 (eq (gnus-request-type group article) 'news)
2424 (if (not (vectorp article))
2426 ;; It's a real article.
2427 (eq (gnus-request-type group (mail-header-id article))
2430 ;; Returns a list of writable groups.
2431 (defun gnus-writable-groups ()
2432 (let ((alist gnus-newsrc-alist)
2434 (while (setq group (car (pop alist)))
2435 (unless (gnus-group-read-only-p group)
2436 (push group groups)))
2439 ;; Check whether to use long file names.
2440 (defun gnus-use-long-file-name (symbol)
2441 ;; The variable has to be set...
2442 (and gnus-use-long-file-name
2443 ;; If it isn't a list, then we return t.
2444 (or (not (listp gnus-use-long-file-name))
2445 ;; If it is a list, and the list contains `symbol', we
2447 (not (memq symbol gnus-use-long-file-name)))))
2449 ;; Generate a unique new group name.
2450 (defun gnus-generate-new-group-name (leaf)
2453 (while (gnus-gethash name gnus-newsrc-hashtb)
2454 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2457 (defun gnus-ephemeral-group-p (group)
2458 "Say whether GROUP is ephemeral or not."
2459 (gnus-group-get-parameter group 'quit-config t))
2461 (defun gnus-group-quit-config (group)
2462 "Return the quit-config of GROUP."
2463 (gnus-group-get-parameter group 'quit-config t))
2465 (defun gnus-kill-ephemeral-group (group)
2466 "Remove ephemeral GROUP from relevant structures."
2467 (gnus-sethash group nil gnus-newsrc-hashtb))
2469 (defun gnus-simplify-mode-line ()
2470 "Make mode lines a bit simpler."
2471 (setq mode-line-modified (cdr gnus-mode-line-modified))
2472 (when (listp mode-line-format)
2473 (make-local-variable 'mode-line-format)
2474 (setq mode-line-format (copy-sequence mode-line-format))
2475 (when (equal (nth 3 mode-line-format) " ")
2476 (setcar (nthcdr 3 mode-line-format) " "))))
2478 ;;; Servers and groups.
2480 (defsubst gnus-server-add-address (method)
2481 (let ((method-name (symbol-name (car method))))
2482 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2483 (not (assq (intern (concat method-name "-address")) method))
2484 (memq 'physical-address (assq (car method)
2485 gnus-valid-select-methods)))
2486 (append method (list (list (intern (concat method-name "-address"))
2490 (defsubst gnus-server-get-method (group method)
2491 ;; Input either a server name, and extended server name, or a
2492 ;; select method, and return a select method.
2493 (cond ((stringp method)
2494 (gnus-server-to-method method))
2495 ((equal method gnus-select-method)
2497 ((and (stringp (car method))
2499 (gnus-server-extend-method group method))
2502 (equal (cadr method) ""))
2505 (gnus-server-add-address method))))
2507 (defun gnus-server-to-method (server)
2508 "Map virtual server names to select methods."
2510 ;; Is this a method, perhaps?
2511 (and server (listp server) server)
2512 ;; Perhaps this is the native server?
2513 (and (equal server "native") gnus-select-method)
2514 ;; It should be in the server alist.
2515 (cdr (assoc server gnus-server-alist))
2516 ;; It could be in the predefined server alist.
2517 (cdr (assoc server gnus-predefined-server-alist))
2518 ;; If not, we look through all the opened server
2519 ;; to see whether we can find it there.
2520 (let ((opened gnus-opened-servers))
2522 (not (equal server (format "%s:%s" (caaar opened)
2526 ;; It could be a named method, search all servers
2527 (let ((servers gnus-secondary-select-methods))
2529 (not (equal server (format "%s:%s" (caar servers)
2534 (defmacro gnus-method-equal (ss1 ss2)
2535 "Say whether two servers are equal."
2539 (and (= (length s1) (length s2))
2541 (while (and s1 (member (car s1) s2))
2545 (defun gnus-methods-equal-p (m1 m2)
2546 (let ((m1 (or m1 gnus-select-method))
2547 (m2 (or m2 gnus-select-method)))
2549 (and (eq (car m1) (car m2))
2550 (or (not (memq 'address (assoc (symbol-name (car m1))
2551 gnus-valid-select-methods)))
2552 (equal (nth 1 m1) (nth 1 m2)))))))
2554 (defun gnus-server-equal (m1 m2)
2555 "Say whether two methods are equal."
2556 (let ((m1 (cond ((null m1) gnus-select-method)
2557 ((stringp m1) (gnus-server-to-method m1))
2559 (m2 (cond ((null m2) gnus-select-method)
2560 ((stringp m2) (gnus-server-to-method m2))
2562 (gnus-method-equal m1 m2)))
2564 (defun gnus-servers-using-backend (backend)
2565 "Return a list of known servers using BACKEND."
2566 (let ((opened gnus-opened-servers)
2569 (when (eq backend (caaar opened))
2570 (push (caar opened) out))
2574 (defun gnus-archive-server-wanted-p ()
2575 "Say whether the user wants to use the archive server."
2577 ((or (not gnus-message-archive-method)
2578 (not gnus-message-archive-group))
2580 ((and gnus-message-archive-method gnus-message-archive-group)
2583 (let ((active (cadr (assq 'nnfolder-active-file
2584 gnus-message-archive-method))))
2586 (file-exists-p active))))))
2588 (defsubst gnus-method-to-server-name (method)
2590 (format "%s" (car method))
2592 (or (assoc (format "%s" (car method))
2593 (gnus-methods-using 'address))
2594 (gnus-server-equal method gnus-message-archive-method))
2596 (not (string= (nth 1 method) "")))
2597 (concat "+" (nth 1 method)))))
2599 (defun gnus-group-prefixed-name (group method)
2600 "Return the whole name from GROUP and METHOD."
2601 (and (stringp method) (setq method (gnus-server-to-method method)))
2602 (if (or (not method)
2603 (gnus-server-equal method "native"))
2605 (concat (gnus-method-to-server-name method) ":" group)))
2607 (defun gnus-group-real-prefix (group)
2608 "Return the prefix of the current group name."
2609 (if (string-match "^[^:]+:" group)
2610 (substring group 0 (match-end 0))
2613 (defun gnus-group-method (group)
2614 "Return the server or method used for selecting GROUP.
2615 You should probably use `gnus-find-method-for-group' instead."
2616 (let ((prefix (gnus-group-real-prefix group)))
2617 (if (equal prefix "")
2619 (let ((servers gnus-opened-servers)
2621 backend possible found)
2622 (if (string-match "^[^\\+]+\\+" prefix)
2623 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2624 server (substring prefix (match-end 0) (1- (length prefix))))
2625 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2627 (when (eq (caaar servers) backend)
2628 (setq possible (caar servers))
2629 (when (equal (cadaar servers) server)
2630 (setq found (caar servers))))
2632 (or (car (rassoc found gnus-server-alist))
2634 (car (rassoc possible gnus-server-alist))
2636 (list backend server))))))
2638 (defsubst gnus-native-method-p (method)
2639 "Return whether METHOD is the native select method."
2640 (gnus-method-equal method gnus-select-method))
2642 (defsubst gnus-secondary-method-p (method)
2643 "Return whether METHOD is a secondary select method."
2644 (let ((methods gnus-secondary-select-methods)
2645 (gmethod (gnus-server-get-method nil method)))
2647 (not (gnus-method-equal
2648 (gnus-server-get-method nil (car methods))
2650 (setq methods (cdr methods)))
2653 (defun gnus-method-simplify (method)
2654 "Return the shortest uniquely identifying string or method for METHOD."
2655 (cond ((stringp method)
2657 ((gnus-native-method-p method)
2659 ((gnus-secondary-method-p method)
2660 (format "%s:%s" (nth 0 method) (nth 1 method)))
2664 (defun gnus-groups-from-server (server)
2665 "Return a list of all groups that are fetched from SERVER."
2666 (let ((alist (cdr gnus-newsrc-alist))
2668 (while (setq info (pop alist))
2669 (when (gnus-server-equal (gnus-info-method info) server)
2670 (push (gnus-info-group info) groups)))
2671 (sort groups 'string<)))
2673 (defun gnus-group-foreign-p (group)
2674 "Say whether a group is foreign or not."
2675 (and (not (gnus-group-native-p group))
2676 (not (gnus-group-secondary-p group))))
2678 (defun gnus-group-native-p (group)
2679 "Say whether the group is native or not."
2680 (not (string-match ":" group)))
2682 (defun gnus-group-secondary-p (group)
2683 "Say whether the group is secondary or not."
2684 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2686 (defun gnus-group-find-parameter (group &optional symbol allow-list)
2687 "Return the group parameters for GROUP.
2688 If SYMBOL, return the value of that symbol in the group parameters."
2690 (set-buffer gnus-group-buffer)
2691 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2693 (gnus-group-parameter-value parameters symbol allow-list)
2696 (defun gnus-group-get-parameter (group &optional symbol allow-list)
2697 "Return the group parameters for GROUP.
2698 If SYMBOL, return the value of that symbol in the group parameters.
2699 Most functions should use `gnus-group-find-parameter', which
2700 also examines the topic parameters."
2701 (let ((params (gnus-info-params (gnus-get-info group))))
2703 (gnus-group-parameter-value params symbol allow-list)
2706 (defun gnus-group-parameter-value (params symbol &optional allow-list)
2707 "Return the value of SYMBOL in group PARAMS."
2708 ;; We only wish to return group parameters (dotted lists) and
2709 ;; not local variables, which may have the same names.
2710 ;; But first we handle single elements...
2711 (or (car (memq symbol params))
2715 (while (setq elem (pop params))
2716 (when (and (consp elem)
2717 (eq (car elem) symbol)
2720 (throw 'found (cdr elem))))))))
2722 (defun gnus-group-add-parameter (group param)
2723 "Add parameter PARAM to GROUP."
2724 (let ((info (gnus-get-info group)))
2726 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2727 ;; Cons the new param to the old one and update.
2728 (gnus-group-set-info (cons param (gnus-info-params info))
2731 (defun gnus-group-set-parameter (group name value)
2732 "Set parameter NAME to VALUE in GROUP."
2733 (let ((info (gnus-get-info group)))
2735 (gnus-group-remove-parameter group name)
2736 (let ((old-params (gnus-info-params info))
2737 (new-params (list (cons name value))))
2739 (when (or (not (listp (car old-params)))
2740 (not (eq (caar old-params) name)))
2741 (setq new-params (append new-params (list (car old-params)))))
2742 (setq old-params (cdr old-params)))
2743 (gnus-group-set-info new-params group 'params)))))
2745 (defun gnus-group-remove-parameter (group name)
2746 "Remove parameter NAME from GROUP."
2747 (let ((info (gnus-get-info group)))
2749 (let ((params (gnus-info-params info)))
2751 (setq params (delq name params))
2752 (while (assq name params)
2753 (gnus-pull name params))
2754 (gnus-info-set-params info params))))))
2756 (defun gnus-group-add-score (group &optional score)
2757 "Add SCORE to the GROUP score.
2758 If SCORE is nil, add 1 to the score of GROUP."
2759 (let ((info (gnus-get-info group)))
2761 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2763 (defun gnus-short-group-name (group &optional levels)
2764 "Collapse GROUP name LEVELS.
2765 Select methods are stripped and any remote host name is stripped down to
2766 just the host name."
2772 gnus-group-uncollapsed-levels
2774 (while (string-match "\\." group skip)
2775 (setq skip (match-end 0)
2778 ;; Separate foreign select method from group name and collapse.
2779 ;; If method contains a server, collapse to non-domain server name,
2780 ;; otherwise collapse to select method.
2781 (let* ((colon (string-match ":" group))
2782 (server (and colon (substring group 0 colon)))
2783 (plus (and server (string-match "+" server))))
2786 (setq foreign (substring server (+ 1 plus)
2787 (string-match "\\." server))
2788 group (substring group (+ 1 colon)))
2789 (setq foreign server
2790 group (substring group (+ 1 colon))))
2791 (setq foreign (concat foreign ":")))
2792 ;; Collapse group name leaving LEVELS uncollapsed elements
2793 (let* ((slist (split-string group "/"))
2794 (slen (length slist))
2795 (dlist (split-string group "\\."))
2796 (dlen (length dlist))
2808 (setq levels (- glen levels))
2810 (push (if (>= (decf levels) 0)
2811 (if (zerop (length g))
2816 (concat foreign (mapconcat 'identity (nreverse res) gsep))))))
2818 (defun gnus-narrow-to-body ()
2819 "Narrow to the body of an article."
2822 (goto-char (point-min))
2823 (or (search-forward "\n\n" nil t)
2829 ;;; Kill file handling.
2832 (defun gnus-apply-kill-file ()
2833 "Apply a kill file to the current newsgroup.
2834 Returns the number of articles marked as read."
2835 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2836 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2837 (gnus-apply-kill-file-internal)
2840 (defun gnus-kill-save-kill-buffer ()
2841 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2842 (when (get-file-buffer file)
2844 (set-buffer (get-file-buffer file))
2845 (when (buffer-modified-p)
2847 (kill-buffer (current-buffer))))))
2849 (defcustom gnus-kill-file-name "KILL"
2850 "Suffix of the kill files."
2851 :group 'gnus-score-kill
2852 :group 'gnus-score-files
2855 (defun gnus-newsgroup-kill-file (newsgroup)
2856 "Return the name of a kill file name for NEWSGROUP.
2857 If NEWSGROUP is nil, return the global kill file name instead."
2859 ;; The global KILL file is placed at top of the directory.
2860 ((or (null newsgroup)
2861 (string-equal newsgroup ""))
2862 (expand-file-name gnus-kill-file-name
2863 gnus-kill-files-directory))
2864 ;; Append ".KILL" to newsgroup name.
2865 ((gnus-use-long-file-name 'not-kill)
2866 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2867 "." gnus-kill-file-name)
2868 gnus-kill-files-directory))
2869 ;; Place "KILL" under the hierarchical directory.
2871 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2872 "/" gnus-kill-file-name)
2873 gnus-kill-files-directory))))
2877 (defun gnus-member-of-valid (symbol group)
2878 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2880 (symbol-name (car (gnus-find-method-for-group group)))
2881 gnus-valid-select-methods)))
2883 (defun gnus-method-option-p (method option)
2884 "Return non-nil if select METHOD has OPTION as a parameter."
2885 (when (stringp method)
2886 (setq method (gnus-server-to-method method)))
2887 (memq option (assoc (format "%s" (car method))
2888 gnus-valid-select-methods)))
2890 (defun gnus-similar-server-opened (method)
2891 (let ((opened gnus-opened-servers))
2892 (while (and method opened)
2893 (when (and (equal (cadr method) (cadaar opened))
2894 (equal (car method) (caaar opened))
2895 (not (equal method (caar opened))))
2900 (defun gnus-server-extend-method (group method)
2901 ;; This function "extends" a virtual server. If the server is
2902 ;; "hello", and the select method is ("hello" (my-var "something"))
2903 ;; in the group "alt.alt", this will result in a new virtual server
2904 ;; called "hello+alt.alt".
2905 (if (or (not (inline (gnus-similar-server-opened method)))
2906 (not (cddr method)))
2908 `(,(car method) ,(concat (cadr method) "+" group)
2909 (,(intern (format "%s-address" (car method))) ,(cadr method))
2912 (defun gnus-server-status (method)
2913 "Return the status of METHOD."
2914 (nth 1 (assoc method gnus-opened-servers)))
2916 (defun gnus-group-name-to-method (group)
2917 "Guess a select method based on GROUP."
2918 (if (string-match ":" group)
2919 (let ((server (substring group 0 (match-beginning 0))))
2920 (if (string-match "\\+" server)
2921 (list (intern (substring server 0 (match-beginning 0)))
2922 (substring server (match-end 0)))
2923 (list (intern server) "")))
2924 gnus-select-method))
2926 (defun gnus-find-method-for-group (group &optional info)
2927 "Find the select method that GROUP uses."
2928 (or gnus-override-method
2931 (and (not (gnus-group-entry group));; a new group
2932 (gnus-group-name-to-method group))
2933 (let ((info (or info (gnus-get-info group)))
2936 (not (setq method (gnus-info-method info)))
2937 (equal method "native"))
2940 (cond ((stringp method)
2941 (inline (gnus-server-to-method method)))
2942 ((stringp (cadr method))
2943 (inline (gnus-server-extend-method group method)))
2946 (cond ((equal (cadr method) "")
2948 ((null (cadr method))
2949 (list (car method) ""))
2951 (gnus-server-add-address method)))))))
2953 (defun gnus-methods-using (feature)
2954 "Find all methods that have FEATURE."
2955 (let ((valids gnus-valid-select-methods)
2958 (when (memq feature (car valids))
2959 (push (car valids) outs))
2960 (setq valids (cdr valids)))
2963 (defun gnus-read-group (prompt &optional default)
2964 "Prompt the user for a group name.
2965 Disallow invalid group names."
2970 gnus-invalid-group-regexp
2971 (setq group (read-string (concat prefix prompt)
2972 (cons (or default "") 0)
2973 'gnus-group-history)))
2974 (setq prefix (format "Invalid group name: \"%s\". " group)
2978 (defun gnus-read-method (prompt)
2979 "Prompt the user for a method.
2980 Allow completion over sensible values."
2982 (append gnus-valid-select-methods
2983 (mapcar (lambda (i) (list (format "%s:%s" (caar i)
2985 gnus-opened-servers)
2986 gnus-predefined-server-alist
2991 nil t nil 'gnus-method-history)))
2994 (setq method gnus-select-method))
2995 ((assoc method gnus-valid-select-methods)
2996 (let ((address (if (memq 'prompt-address
2997 (assoc method gnus-valid-select-methods))
2998 (read-string "Address: ")
3000 (or (let ((opened gnus-opened-servers))
3002 (not (equal (format "%s:%s" method address)
3003 (format "%s:%s" (caaar opened)
3007 (list (intern method) address))))
3008 ((assoc method servers)
3011 (list (intern method) "")))))
3013 ;;; User-level commands.
3016 (defun gnus-slave-no-server (&optional arg)
3017 "Read network news as a slave, without connecting to local server."
3019 (gnus-no-server arg t))
3022 (defun gnus-no-server (&optional arg slave)
3024 If ARG is a positive number, Gnus will use that as the
3025 startup level. If ARG is nil, Gnus will be started at level 2.
3026 If ARG is non-nil and not a positive number, Gnus will
3027 prompt the user for the name of an NNTP server to use.
3028 As opposed to `gnus', this command will not connect to the local server."
3030 (gnus-no-server-1 arg slave))
3033 (defun gnus-slave (&optional arg)
3034 "Read news as a slave."
3036 (gnus arg nil 'slave))
3039 (defun gnus-other-frame (&optional arg)
3040 "Pop up a frame to read news."
3042 (let ((window (get-buffer-window gnus-group-buffer)))
3044 (select-frame (window-frame window)))
3046 (select-frame (make-frame)))))
3049 ;;(setq thing ? ; this is a comment
3053 (defun gnus (&optional arg dont-connect slave)
3055 If ARG is non-nil and a positive number, Gnus will use that as the
3056 startup level. If ARG is non-nil and not a positive number, Gnus will
3057 prompt the user for the name of an NNTP server to use."
3059 (gnus-1 arg dont-connect slave))
3061 ;; Allow redefinition of Gnus functions.
3067 ;;; gnus.el ends here