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 ;; Tatsuya Ichikawa <t-ichi@po.shiojiri.ne.jp>
8 ;; Yoshiki Hayashi <t90553@mail.ecc.u-tokyo.ac.jp>
9 ;; Keywords: news, mail
11 ;; This file is part of GNU Emacs.
13 ;; GNU Emacs is free software; you can redistribute it and/or modify
14 ;; it under the terms of the GNU General Public License as published by
15 ;; the Free Software Foundation; either version 2, or (at your option)
18 ;; GNU Emacs is distributed in the hope that it will be useful,
19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ;; GNU General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with GNU Emacs; see the file COPYING. If not, write to the
25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
26 ;; Boston, MA 02111-1307, USA.
32 (eval '(run-hooks 'gnus-load-hook))
34 (eval-when-compile (require 'cl))
35 (eval-when-compile (require 'static))
40 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
44 (defgroup gnus-charset nil
45 "Group character set issues."
46 :link '(custom-manual "(gnus)Charsets")
50 (defgroup gnus-cache nil
54 (defgroup gnus-start nil
55 "Starting your favorite newsreader."
58 (defgroup gnus-start-server nil
59 "Server options at startup."
62 ;; These belong to gnus-group.el.
63 (defgroup gnus-group nil
65 :link '(custom-manual "(gnus)The Group Buffer")
68 (defgroup gnus-group-foreign nil
70 :link '(custom-manual "(gnus)Foreign Groups")
73 (defgroup gnus-group-new nil
74 "Automatic subscription of new groups."
77 (defgroup gnus-group-levels nil
79 :link '(custom-manual "(gnus)Group Levels")
82 (defgroup gnus-group-select nil
84 :link '(custom-manual "(gnus)Selecting a Group")
87 (defgroup gnus-group-listing nil
88 "Showing slices of the group list."
89 :link '(custom-manual "(gnus)Listing Groups")
92 (defgroup gnus-group-visual nil
93 "Sorting the group buffer."
94 :link '(custom-manual "(gnus)Group Buffer Format")
98 (defgroup gnus-group-various nil
99 "Various group options."
100 :link '(custom-manual "(gnus)Scanning New Messages")
103 ;; These belong to gnus-sum.el.
104 (defgroup gnus-summary nil
106 :link '(custom-manual "(gnus)The Summary Buffer")
109 (defgroup gnus-summary-exit nil
110 "Leaving summary buffers."
111 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
112 :group 'gnus-summary)
114 (defgroup gnus-summary-marks nil
115 "Marks used in summary buffers."
116 :link '(custom-manual "(gnus)Marking Articles")
117 :group 'gnus-summary)
119 (defgroup gnus-thread nil
120 "Ordering articles according to replies."
121 :link '(custom-manual "(gnus)Threading")
122 :group 'gnus-summary)
124 (defgroup gnus-summary-format nil
125 "Formatting of the summary buffer."
126 :link '(custom-manual "(gnus)Summary Buffer Format")
127 :group 'gnus-summary)
129 (defgroup gnus-summary-choose nil
131 :link '(custom-manual "(gnus)Choosing Articles")
132 :group 'gnus-summary)
134 (defgroup gnus-summary-maneuvering nil
135 "Summary movement commands."
136 :link '(custom-manual "(gnus)Summary Maneuvering")
137 :group 'gnus-summary)
139 (defgroup gnus-summary-mail nil
140 "Mail group commands."
141 :link '(custom-manual "(gnus)Mail Group Commands")
142 :group 'gnus-summary)
144 (defgroup gnus-summary-sort nil
145 "Sorting the summary buffer."
146 :link '(custom-manual "(gnus)Sorting")
147 :group 'gnus-summary)
149 (defgroup gnus-summary-visual nil
150 "Highlighting and menus in the summary buffer."
151 :link '(custom-manual "(gnus)Summary Highlighting")
153 :group 'gnus-summary)
155 (defgroup gnus-summary-various nil
156 "Various summary buffer options."
157 :link '(custom-manual "(gnus)Various Summary Stuff")
158 :group 'gnus-summary)
160 (defgroup gnus-summary-pick nil
161 "Pick mode in the summary buffer."
162 :link '(custom-manual "(gnus)Pick and Read")
164 :group 'gnus-summary)
166 (defgroup gnus-summary-tree nil
167 "Tree display of threads in the summary buffer."
168 :link '(custom-manual "(gnus)Tree Display")
170 :group 'gnus-summary)
172 ;; Belongs to gnus-uu.el
173 (defgroup gnus-extract-view nil
174 "Viewing extracted files."
175 :link '(custom-manual "(gnus)Viewing Files")
176 :group 'gnus-extract)
178 ;; Belongs to gnus-score.el
179 (defgroup gnus-score nil
180 "Score and kill file handling."
183 (defgroup gnus-score-kill nil
187 (defgroup gnus-score-adapt nil
188 "Adaptive score files."
191 (defgroup gnus-score-default nil
192 "Default values for score files."
195 (defgroup gnus-score-expire nil
196 "Expiring score rules."
199 (defgroup gnus-score-decay nil
200 "Decaying score rules."
203 (defgroup gnus-score-files nil
204 "Score and kill file names."
208 (defgroup gnus-score-various nil
209 "Various scoring and killing options."
213 (defgroup gnus-visual nil
214 "Options controling the visual fluff."
218 (defgroup gnus-agent nil
219 "Offline support for Gnus."
222 (defgroup gnus-files nil
223 "Files used by Gnus."
226 (defgroup gnus-dribble-file nil
228 :link '(custom-manual "(gnus)Auto Save")
231 (defgroup gnus-newsrc nil
232 "Storing Gnus state."
235 (defgroup gnus-server nil
236 "Options related to newsservers and other servers used by Gnus."
239 (defgroup gnus-message '((message custom-group))
240 "Composing replies and followups in Gnus."
243 (defgroup gnus-meta nil
244 "Meta variables controling major portions of Gnus.
245 In general, modifying these variables does not take affect until Gnus
246 is restarted, and sometimes reloaded."
249 (defgroup gnus-various nil
250 "Other Gnus options."
251 :link '(custom-manual "(gnus)Various Various")
254 (defgroup gnus-mime nil
255 "Variables for controlling the Gnus MIME interface."
258 (defgroup gnus-exit nil
260 :link '(custom-manual "(gnus)Exiting Gnus")
263 (defcustom gnus-inhibit-startup-message nil
264 "If non-nil, the startup message will not be displayed.
265 This variable is used before `.gnus.el' is loaded, so it should
266 be set in `.emacs' instead."
270 (defcustom gnus-play-startup-jingle nil
271 "If non-nil, play the Gnus jingle at startup."
275 (unless (fboundp 'gnus-group-remove-excess-properties)
276 (defalias 'gnus-group-remove-excess-properties 'ignore))
278 (unless (fboundp 'gnus-set-text-properties)
279 (defalias 'gnus-set-text-properties 'set-text-properties))
281 (unless (featurep 'gnus-xmas)
282 (defalias 'gnus-make-overlay 'make-overlay)
283 (defalias 'gnus-delete-overlay 'delete-overlay)
284 (defalias 'gnus-overlay-put 'overlay-put)
285 (defalias 'gnus-move-overlay 'move-overlay)
286 (defalias 'gnus-overlay-buffer 'overlay-buffer)
287 (defalias 'gnus-overlay-start 'overlay-start)
288 (defalias 'gnus-overlay-end 'overlay-end)
289 (defalias 'gnus-extent-detached-p 'ignore)
290 (defalias 'gnus-extent-start-open 'ignore)
291 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
292 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
293 (defalias 'gnus-character-to-event 'identity)
294 (defalias 'gnus-add-text-properties 'add-text-properties)
295 (defalias 'gnus-put-text-property 'put-text-property)
296 (defvar gnus-mode-line-image-cache t)
297 (if (fboundp 'find-image)
298 (defun gnus-mode-line-buffer-identification (line)
299 (let ((str (car-safe line)))
300 (if (and (stringp str)
301 (string-match "^Gnus:" str))
302 (progn (add-text-properties
305 (if (eq t gnus-mode-line-image-cache)
306 (setq gnus-mode-line-image-cache
308 '((:type xpm :file "gnus-pointer.xpm"
310 (:type xbm :file "gnus-pointer.xbm"
312 gnus-mode-line-image-cache)
313 'help-echo "This is Gnus")
317 (defalias 'gnus-mode-line-buffer-identification 'identity))
318 (defalias 'gnus-characterp 'numberp)
319 (defalias 'gnus-deactivate-mark 'deactivate-mark)
320 (defalias 'gnus-window-edges 'window-edges)
321 (defalias 'gnus-key-press-event-p 'numberp)
322 ;;(defalias 'gnus-decode-rfc1522 'ignore)
325 ;; We define these group faces here to avoid the display
326 ;; update forced when creating new faces.
328 (defface gnus-group-news-1-face
331 (:foreground "PaleTurquoise" :bold t))
334 (:foreground "ForestGreen" :bold t))
337 "Level 1 newsgroup face.")
339 (defface gnus-group-news-1-empty-face
342 (:foreground "PaleTurquoise"))
345 (:foreground "ForestGreen"))
348 "Level 1 empty newsgroup face.")
350 (defface gnus-group-news-2-face
353 (:foreground "turquoise" :bold t))
356 (:foreground "CadetBlue4" :bold t))
359 "Level 2 newsgroup face.")
361 (defface gnus-group-news-2-empty-face
364 (:foreground "turquoise"))
367 (:foreground "CadetBlue4"))
370 "Level 2 empty newsgroup face.")
372 (defface gnus-group-news-3-face
381 "Level 3 newsgroup face.")
383 (defface gnus-group-news-3-empty-face
392 "Level 3 empty newsgroup face.")
394 (defface gnus-group-news-4-face
403 "Level 4 newsgroup face.")
405 (defface gnus-group-news-4-empty-face
414 "Level 4 empty newsgroup face.")
416 (defface gnus-group-news-5-face
425 "Level 5 newsgroup face.")
427 (defface gnus-group-news-5-empty-face
436 "Level 5 empty newsgroup face.")
438 (defface gnus-group-news-6-face
447 "Level 6 newsgroup face.")
449 (defface gnus-group-news-6-empty-face
458 "Level 6 empty newsgroup face.")
460 (defface gnus-group-news-low-face
463 (:foreground "DarkTurquoise" :bold t))
466 (:foreground "DarkGreen" :bold t))
469 "Low level newsgroup face.")
471 (defface gnus-group-news-low-empty-face
474 (:foreground "DarkTurquoise"))
477 (:foreground "DarkGreen"))
480 "Low level empty newsgroup face.")
482 (defface gnus-group-mail-1-face
485 (:foreground "aquamarine1" :bold t))
488 (:foreground "DeepPink3" :bold t))
491 "Level 1 mailgroup face.")
493 (defface gnus-group-mail-1-empty-face
496 (:foreground "aquamarine1"))
499 (:foreground "DeepPink3"))
501 (:italic t :bold t)))
502 "Level 1 empty mailgroup face.")
504 (defface gnus-group-mail-2-face
507 (:foreground "aquamarine2" :bold t))
510 (:foreground "HotPink3" :bold t))
513 "Level 2 mailgroup face.")
515 (defface gnus-group-mail-2-empty-face
518 (:foreground "aquamarine2"))
521 (:foreground "HotPink3"))
524 "Level 2 empty mailgroup face.")
526 (defface gnus-group-mail-3-face
529 (:foreground "aquamarine3" :bold t))
532 (:foreground "magenta4" :bold t))
535 "Level 3 mailgroup face.")
537 (defface gnus-group-mail-3-empty-face
540 (:foreground "aquamarine3"))
543 (:foreground "magenta4"))
546 "Level 3 empty mailgroup face.")
548 (defface gnus-group-mail-low-face
551 (:foreground "aquamarine4" :bold t))
554 (:foreground "DeepPink4" :bold t))
557 "Low level mailgroup face.")
559 (defface gnus-group-mail-low-empty-face
562 (:foreground "aquamarine4"))
565 (:foreground "DeepPink4"))
568 "Low level empty mailgroup face.")
570 ;; Summary mode faces.
572 (defface gnus-summary-selected-face '((t
574 "Face used for selected articles.")
576 (defface gnus-summary-cancelled-face
578 (:foreground "yellow" :background "black")))
579 "Face used for cancelled articles.")
581 (defface gnus-summary-high-ticked-face
584 (:foreground "pink" :bold t))
587 (:foreground "firebrick" :bold t))
590 "Face used for high interest ticked articles.")
592 (defface gnus-summary-low-ticked-face
595 (:foreground "pink" :italic t))
598 (:foreground "firebrick" :italic t))
601 "Face used for low interest ticked articles.")
603 (defface gnus-summary-normal-ticked-face
606 (:foreground "pink"))
609 (:foreground "firebrick"))
612 "Face used for normal interest ticked articles.")
614 (defface gnus-summary-high-ancient-face
617 (:foreground "SkyBlue" :bold t))
620 (:foreground "RoyalBlue" :bold t))
623 "Face used for high interest ancient articles.")
625 (defface gnus-summary-low-ancient-face
628 (:foreground "SkyBlue" :italic t))
631 (:foreground "RoyalBlue" :italic t))
634 "Face used for low interest ancient articles.")
636 (defface gnus-summary-normal-ancient-face
639 (:foreground "SkyBlue"))
642 (:foreground "RoyalBlue"))
645 "Face used for normal interest ancient articles.")
647 (defface gnus-summary-high-unread-face
650 "Face used for high interest unread articles.")
652 (defface gnus-summary-low-unread-face
655 "Face used for low interest unread articles.")
657 (defface gnus-summary-normal-unread-face
660 "Face used for normal interest unread articles.")
662 (defface gnus-summary-incorporated-face
665 "Face used for incorporated articles.")
667 (defface gnus-summary-high-read-face
670 (:foreground "PaleGreen"
674 (:foreground "DarkGreen"
678 "Face used for high interest read articles.")
680 (defface gnus-summary-low-read-face
683 (:foreground "PaleGreen"
687 (:foreground "DarkGreen"
691 "Face used for low interest read articles.")
693 (defface gnus-summary-normal-read-face
696 (:foreground "PaleGreen"))
699 (:foreground "DarkGreen"))
702 "Face used for normal interest read articles.")
709 (defvar gnus-buffers nil)
711 (defun gnus-get-buffer-create (name)
712 "Do the same as `get-buffer-create', but store the created buffer."
713 (or (get-buffer name)
714 (car (push (get-buffer-create name) gnus-buffers))))
716 (defun gnus-add-buffer ()
717 "Add the current buffer to the list of Gnus buffers."
718 (push (current-buffer) gnus-buffers))
720 (defun gnus-buffers ()
721 "Return a list of live Gnus buffers."
722 (while (and gnus-buffers
723 (not (buffer-name (car gnus-buffers))))
725 (let ((buffers gnus-buffers))
727 (if (buffer-name (cadr buffers))
729 (setcdr buffers (cddr buffers)))))
734 (defvar gnus-group-buffer "*Group*")
737 (autoload 'gnus-play-jingle "gnus-audio"))
739 (defface gnus-splash-face
742 (:foreground "Brown"))
745 (:foreground "Brown"))
748 "Face of the splash screen.")
750 (defun gnus-splash ()
752 (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
753 (let ((buffer-read-only nil))
755 (unless gnus-inhibit-startup-message
756 (gnus-group-startup-message)
758 (when gnus-play-startup-jingle
759 (gnus-play-jingle))))))
761 (defun gnus-indent-rigidly (start end arg)
762 "Indent rigidly using only spaces and no tabs."
765 (narrow-to-region start end)
767 (indent-rigidly start end arg)
768 ;; We translate tabs into spaces -- not everybody uses
769 ;; an 8-character tab.
770 (goto-char (point-min))
771 (while (search-forward "\t" nil t)
772 (replace-match " " t t))))))
774 (defvar gnus-simple-splash nil)
776 (defun gnus-group-startup-message (&optional x y)
777 "Insert startup message in current buffer."
778 ;; Insert the message.
781 ((and (fboundp 'find-image)
783 (let* ((bg (face-background 'default))
784 (fg (face-foreground 'gnus-splash-face))
786 `((:type xpm :file "gnus.xpm"
787 :color-symbols (("thing" . "#724214")
788 ("shadow" . "#1e3f03")
789 ("background" . ,bg)))
790 (:type pbm :file "gnus.pbm"
791 ;; Account for the pbm's blackground.
792 :background ,bg :foreground ,fg)
793 (:type xbm :file "gnus.xbm"
794 ;; Account for the xbm's blackground.
795 :background ,bg :foreground ,fg)))))
799 (concat gnus-product-name " " gnus-version-number
800 (if (zerop (string-to-number gnus-revision-number))
802 (concat " (r" gnus-revision-number ")"))
803 " based on " gnus-original-product-name " v"
804 gnus-original-version-number)
805 'face `(variable-pitch :background ,bg :foreground ,fg)))
806 (let ((fill-column (window-width)))
807 (center-region (point-min) (point)))
808 (let ((size (image-size image)))
809 (insert-char ?\n (max 1 (round (- (window-height)
810 (or y (cdr size))) 2)))
812 (propertize " " 'display
814 ,(max 0 (round (- (window-width)
815 (or x (car size))) 2)))))
816 (insert-image image))
817 (setq gnus-simple-splash nil)
822 _ ___ __ ___ __ _ ___
841 (goto-char (point-min))
842 (insert gnus-product-name " " gnus-version-number
843 (if (zerop (string-to-number gnus-revision-number))
845 (concat " (r" gnus-revision-number ")"))
846 " based on " gnus-original-product-name " v"
847 gnus-original-version-number)
848 (insert-char ?\ (prog1
849 (max 0 (/ (- (window-width) (point)) 2))
850 (goto-char (point-min))))
853 (gnus-indent-rigidly (point) (point-max)
854 (/ (max (- (window-width) (or x 46)) 0) 2))
855 (goto-char (point-min))
857 (let* ((pheight (count-lines (point-min) (point-max)))
858 (wheight (window-height))
859 (rest (- wheight pheight)))
860 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
862 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
863 (setq gnus-simple-splash t)))
864 (goto-char (point-min))
865 (setq mode-line-buffer-identification (concat " " gnus-version))
866 (set-buffer-modified-p t))
869 (let ((command (format "%s" this-command)))
870 (if (and (string-match "gnus" command)
871 (not (string-match "gnus-other-frame" command)))
873 (gnus-get-buffer-create gnus-group-buffer))))
880 (defvar gnus-group-parameters-more nil)
883 :symbol-for-testing-whether-colon-keyword-is-available-or-not
886 (dolist (keyword '(:parameter-type
887 :parameter-document :function :function-document
888 :variable :variable-document :variable-group
889 :variable-type :variable-default))
890 (set keyword keyword))))
892 (defmacro gnus-define-group-parameter (param &rest rest)
893 "Define a group parameter PARAM.
894 REST is a plist of following:
895 :type One of `bool', `list' or `nil'.
896 :function The name of the function.
897 :function-document The document of the function.
898 :parameter-type The type for customizing the parameter.
899 :parameter-document The document for the parameter.
900 :variable The name of the variable.
901 :variable-document The document for the variable.
902 :variable-group The group for customizing the variable.
903 :variable-type The type for customizing the variable.
904 :variable-default The default value of the variable."
905 (let* ((type (plist-get rest :type))
906 (parameter-type (plist-get rest :parameter-type))
907 (parameter-document (plist-get rest :parameter-document))
908 (function (or (plist-get rest :function)
909 (intern (format "gnus-parameter-%s" param))))
910 (function-document (or (plist-get rest :function-document) ""))
911 (variable (or (plist-get rest :variable)
912 (intern (format "gnus-parameter-%s-alist" param))))
913 (variable-document (or (plist-get rest :variable-document) ""))
914 (variable-group (plist-get rest :variable-group))
915 (variable-type (or (plist-get rest :variable-type)
916 `(quote (repeat (list (regexp :tag "Group")
918 (variable-default (plist-get rest :variable-default)))
921 `(defcustom ,variable ,variable-default
923 :group 'gnus-group-parameter
924 :group ',variable-group
925 :type ,variable-type)
926 `(setq gnus-group-parameters-more
927 (delq (assq ',param gnus-group-parameters-more)
928 gnus-group-parameters-more))
929 `(add-to-list 'gnus-group-parameters-more
932 ,parameter-document))
934 `(defun ,function (group)
936 (let ((params (gnus-group-find-parameter group))
939 ((memq ',param params)
941 ((setq val (assq ',param params))
944 (string-match ,variable group)))))
945 `(defun ,function (name)
948 (or (gnus-group-find-parameter name ',param)
949 (let ((alist ,variable)
951 (while (setq elem (pop alist))
953 (string-match (car elem) name))
958 '(if (consp value) (car value) value))))))))))
960 (defcustom gnus-home-directory "~/"
961 "Directory variable that specifies the \"home\" directory.
962 All other Gnus path variables are initialized from this variable."
966 (defcustom gnus-directory (or (getenv "SAVEDIR")
967 (nnheader-concat gnus-home-directory "News/"))
968 "*Directory variable from which all other Gnus file variables are derived.
970 Note that Gnus is mostly loaded when the `.gnus.el' file is read.
971 This means that other directory variables that are initialized from
972 this variable won't be set properly if you set this variable in `.gnus.el'.
973 Set this variable in `.emacs' instead."
977 (defcustom gnus-default-directory nil
978 "*Default directory for all Gnus buffers."
980 :type '(choice (const :tag "current" nil)
983 ;; Site dependent variables. These variables should be defined in
986 (defvar gnus-default-nntp-server nil
987 "Specify a default NNTP server.
988 This variable should be defined in paths.el, and should never be set
990 If you want to change servers, you should use `gnus-select-method'.
991 See the documentation to that variable.")
993 ;; Don't touch this variable.
994 (defvar gnus-nntp-service "nntp"
995 "NNTP service name (\"nntp\" or 119).
996 This is an obsolete variable, which is scarcely used. If you use an
997 nntp server for your newsgroup and want to change the port number
998 used to 899, you would say something along these lines:
1000 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
1002 (defcustom gnus-nntpserver-file "/etc/nntpserver"
1003 "A file with only the name of the nntp server in it."
1008 ;; This function is used to check both the environment variable
1009 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
1010 ;; an nntp server name default.
1011 (defun gnus-getenv-nntpserver ()
1012 (or (getenv "NNTPSERVER")
1013 (and (file-readable-p gnus-nntpserver-file)
1015 (set-buffer (gnus-get-buffer-create " *gnus nntp*"))
1016 (insert-file-contents gnus-nntpserver-file)
1017 (let ((name (buffer-string)))
1019 (if (string-match "\\'[ \t\n]*$" name)
1022 (kill-buffer (current-buffer))))))))
1024 (defcustom gnus-select-method
1027 (list 'nntp (or (condition-case nil
1028 (gnus-getenv-nntpserver)
1030 (when (and gnus-default-nntp-server
1031 (not (string= gnus-default-nntp-server "")))
1032 gnus-default-nntp-server)
1034 (if (or (null gnus-nntp-service)
1035 (equal gnus-nntp-service "nntp"))
1037 (list gnus-nntp-service)))
1039 "Default method for selecting a newsgroup.
1040 This variable should be a list, where the first element is how the
1041 news is to be fetched, the second is the address.
1043 For instance, if you want to get your news via NNTP from
1044 \"flab.flab.edu\", you could say:
1046 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
1048 If you want to use your local spool, say:
1050 \(setq gnus-select-method (list 'nnspool (system-name)))
1052 If you use this variable, you must set `gnus-nntp-server' to nil.
1054 There is a lot more to know about select methods and virtual servers -
1055 see the manual for details."
1057 :type 'gnus-select-method)
1059 (defcustom gnus-message-archive-method
1061 ;; Don't require it at top level to avoid circularity.
1065 (nnfolder-directory ,(nnheader-concat message-directory "archive"))
1066 (nnfolder-active-file
1067 ,(nnheader-concat message-directory "archive/active"))
1068 (nnfolder-get-new-mail nil)
1069 (nnfolder-inhibit-expiry t)))
1070 "*Method used for archiving messages you've sent.
1071 This should be a mail method.
1073 It's probably not very effective to change this variable once you've
1074 run Gnus once. After doing that, you must edit this server from the
1077 :group 'gnus-message
1078 :type 'gnus-select-method)
1080 (defcustom gnus-message-archive-group nil
1081 "*Name of the group in which to save the messages you've written.
1082 This can either be a string; a list of strings; or an alist
1083 of regexps/functions/forms to be evaluated to return a string (or a list
1084 of strings). The functions are called with the name of the current
1085 group (or nil) as a parameter.
1087 If you want to save your mail in one group and the news articles you
1088 write in another group, you could say something like:
1090 \(setq gnus-message-archive-group
1091 '((if (message-news-p)
1095 Normally the group names returned by this variable should be
1096 unprefixed -- which implicitly means \"store on the archive server\".
1097 However, you may wish to store the message on some other server. In
1098 that case, just return a fully prefixed name of the group --
1099 \"nnml+private:mail.misc\", for instance."
1100 :group 'gnus-message
1101 :type '(choice (const :tag "none" nil)
1106 (defcustom gnus-secondary-servers nil
1107 "List of NNTP servers that the user can choose between interactively.
1108 To make Gnus query you for a server, you have to give `gnus' a
1109 non-numeric prefix - `C-u M-x gnus', in short."
1111 :type '(repeat string))
1113 (defcustom gnus-nntp-server nil
1114 "*The name of the host running the NNTP server.
1115 This variable is semi-obsolete. Use the `gnus-select-method'
1118 :type '(choice (const :tag "disable" nil)
1121 (defcustom gnus-secondary-select-methods nil
1122 "A list of secondary methods that will be used for reading news.
1123 This is a list where each element is a complete select method (see
1124 `gnus-select-method').
1126 If, for instance, you want to read your mail with the nnml backend,
1127 you could set this variable:
1129 \(setq gnus-secondary-select-methods '((nnml \"\")))"
1131 :type '(repeat gnus-select-method))
1133 (defvar gnus-backup-default-subscribed-newsgroups
1134 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
1135 "Default default new newsgroups the first time Gnus is run.
1136 Should be set in paths.el, and shouldn't be touched by the user.")
1138 (defcustom gnus-local-domain nil
1139 "Local domain name without a host name.
1140 The DOMAINNAME environment variable is used instead if it is defined.
1141 If the `system-name' function returns the full Internet name, there is
1142 no need to set this variable."
1143 :group 'gnus-message
1144 :type '(choice (const :tag "default" nil)
1147 (defvar gnus-local-organization nil
1148 "String with a description of what organization (if any) the user belongs to.
1149 Obsolete variable; use `message-user-organization' instead.")
1151 ;; Customization variables
1153 (defcustom gnus-refer-article-method nil
1154 "Preferred method for fetching an article by Message-ID.
1155 If you are reading news from the local spool (with nnspool), fetching
1156 articles by Message-ID is painfully slow. By setting this method to an
1157 nntp method, you might get acceptable results.
1159 The value of this variable must be a valid select method as discussed
1160 in the documentation of `gnus-select-method'.
1162 It can also be a list of select methods, as well as the special symbol
1163 `current', which means to use the current select method. If it is a
1164 list, Gnus will try all the methods in the list until it finds a match."
1166 :type '(choice (const :tag "default" nil)
1167 (const :tag "DejaNews" (nnweb "refer" (nnweb-type dejanews)))
1169 (repeat :menu-tag "Try multiple"
1171 :value (current (nnweb "refer" (nnweb-type dejanews)))
1172 (choice :tag "Method"
1174 (const :tag "DejaNews"
1175 (nnweb "refer" (nnweb-type dejanews)))
1176 gnus-select-method))))
1178 (defcustom gnus-group-faq-directory
1179 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
1180 "/ftp@sunsite.auc.dk:/pub/usenet/"
1181 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
1182 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
1183 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
1184 "/ftp@rtfm.mit.edu:/pub/usenet/"
1185 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
1186 "/ftp@ftp.sunet.se:/pub/usenet/"
1187 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
1188 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
1189 "/ftp@ftp.hk.super.net:/mirror/faqs/")
1190 "*Directory where the group FAQs are stored.
1191 This will most commonly be on a remote machine, and the file will be
1192 fetched by ange-ftp.
1194 This variable can also be a list of directories. In that case, the
1195 first element in the list will be used by default. The others can
1196 be used when being prompted for a site.
1198 Note that Gnus uses an aol machine as the default directory. If this
1199 feels fundamentally unclean, just think of it as a way to finally get
1200 something of value back from them.
1202 If the default site is too slow, try one of these:
1204 North America: mirrors.aol.com /pub/rtfm/usenet
1205 ftp.seas.gwu.edu /pub/rtfm
1206 rtfm.mit.edu /pub/usenet
1207 Europe: ftp.uni-paderborn.de /pub/FAQ
1208 src.doc.ic.ac.uk /usenet/news-FAQS
1209 ftp.sunet.se /pub/usenet
1210 sunsite.auc.dk /pub/usenet
1211 Asia: nctuccca.edu.tw /USENET/FAQ
1212 hwarang.postech.ac.kr /pub/usenet
1213 ftp.hk.super.net /mirror/faqs"
1214 :group 'gnus-group-various
1215 :type '(choice directory
1216 (repeat directory)))
1218 (defcustom gnus-use-cross-reference t
1219 "*Non-nil means that cross referenced articles will be marked as read.
1220 If nil, ignore cross references. If t, mark articles as read in
1221 subscribed newsgroups. If neither t nor nil, mark as read in all
1224 :type '(choice (const :tag "off" nil)
1225 (const :tag "subscribed" t)
1229 (defcustom gnus-process-mark ?#
1231 :group 'gnus-group-visual
1232 :group 'gnus-summary-marks
1235 (defcustom gnus-large-newsgroup 200
1236 "*The number of articles which indicates a large newsgroup.
1237 If the number of articles in a newsgroup is greater than this value,
1238 confirmation is required for selecting the newsgroup."
1239 :group 'gnus-group-select
1242 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
1243 "*Non-nil means that the default name of a file to save articles in is the group name.
1244 If it's nil, the directory form of the group name is used instead.
1246 If this variable is a list, and the list contains the element
1247 `not-score', long file names will not be used for score files; if it
1248 contains the element `not-save', long file names will not be used for
1249 saving; and if it contains the element `not-kill', long file names
1250 will not be used for kill files.
1252 Note that the default for this variable varies according to what system
1253 type you're using. On `usg-unix-v' and `xenix' this variable defaults
1254 to nil while on all other systems it defaults to t."
1258 (defcustom gnus-kill-files-directory gnus-directory
1259 "*Name of the directory where kill files will be stored (default \"~/News\")."
1260 :group 'gnus-score-files
1261 :group 'gnus-score-kill
1264 (defcustom gnus-save-score nil
1265 "*If non-nil, save group scoring info."
1266 :group 'gnus-score-various
1270 (defcustom gnus-use-undo t
1271 "*If non-nil, allow undoing in Gnus group mode buffers."
1275 (defcustom gnus-use-adaptive-scoring nil
1276 "*If non-nil, use some adaptive scoring scheme.
1277 If a list, then the values `word' and `line' are meaningful. The
1278 former will perform adaption on individual words in the subject
1279 header while `line' will perform adaption on several headers."
1281 :group 'gnus-score-adapt
1282 :type '(set (const word) (const line)))
1284 (defcustom gnus-use-cache 'passive
1285 "*If nil, Gnus will ignore the article cache.
1286 If `passive', it will allow entering (and reading) articles
1287 explicitly entered into the cache. If anything else, use the
1288 cache to the full extent of the law."
1291 :type '(choice (const :tag "off" nil)
1292 (const :tag "passive" passive)
1293 (const :tag "active" t)))
1295 (defcustom gnus-use-trees nil
1296 "*If non-nil, display a thread tree buffer."
1300 (defcustom gnus-use-grouplens nil
1301 "*If non-nil, use GroupLens ratings."
1305 (defcustom gnus-keep-backlog nil
1306 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1307 If it is a number N, then Gnus will only keep the last N articles
1308 read. If it is neither nil nor a number, Gnus will keep all read
1309 articles. This is not a good idea."
1311 :type '(choice (const :tag "off" nil)
1316 (defcustom gnus-use-nocem nil
1317 "*If non-nil, Gnus will read NoCeM cancel messages."
1321 (defcustom gnus-suppress-duplicates nil
1322 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1326 (defcustom gnus-use-scoring t
1327 "*If non-nil, enable scoring."
1331 (defcustom gnus-use-picons nil
1332 "*If non-nil, display picons in a frame of their own."
1336 (defcustom gnus-summary-prepare-exit-hook
1337 '(gnus-summary-expire-articles)
1338 "*A hook called when preparing to exit from the summary buffer.
1339 It calls `gnus-summary-expire-articles' by default."
1340 :group 'gnus-summary-exit
1343 (defcustom gnus-novice-user t
1344 "*Non-nil means that you are a usenet novice.
1345 If non-nil, verbose messages may be displayed and confirmations may be
1350 (defcustom gnus-expert-user nil
1351 "*Non-nil means that you will never be asked for confirmation about anything.
1352 That doesn't mean *anything* anything; particularly destructive
1353 commands will still require prompting."
1357 (defcustom gnus-interactive-catchup t
1358 "*If non-nil, require your confirmation when catching up a group."
1359 :group 'gnus-group-select
1362 (defcustom gnus-interactive-exit t
1363 "*If non-nil, require your confirmation when exiting Gnus."
1367 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1368 "*Function for extracting address components from a From header.
1369 Two pre-defined function exist: `gnus-extract-address-components',
1370 which is the default, quite fast, and too simplistic solution, and
1371 `mail-extract-address-components', which works much better, but is
1373 :group 'gnus-summary-format
1374 :type '(radio (function-item gnus-extract-address-components)
1375 (function-item mail-extract-address-components)
1376 (function-item std11-extract-address-components)
1377 (function :tag "Other")))
1379 (defcustom gnus-carpal nil
1380 "*If non-nil, display clickable icons."
1384 (defcustom gnus-shell-command-separator ";"
1385 "String used to separate to shell commands."
1389 (defcustom gnus-valid-select-methods
1390 '(("nntp" post address prompt-address physical-address)
1391 ("nnspool" post address)
1392 ("nnvirtual" post-mail virtual prompt-address)
1393 ("nnmbox" mail respool address)
1394 ("nnml" mail respool address)
1395 ("nnmh" mail respool address)
1396 ("nndir" post-mail prompt-address physical-address)
1397 ("nneething" none address prompt-address physical-address)
1398 ("nndoc" none address prompt-address)
1399 ("nnbabyl" mail address respool)
1400 ("nnkiboze" post virtual)
1401 ("nnsoup" post-mail address)
1402 ("nndraft" post-mail)
1403 ("nnfolder" mail respool address)
1404 ("nngateway" post-mail address prompt-address physical-address)
1411 ("nnagent" post-mail)
1412 ("nnimap" post-mail address prompt-address physical-address))
1413 "*An alist of valid select methods.
1414 The first element of each list lists should be a string with the name
1415 of the select method. The other elements may be the category of
1416 this method (i. e., `post', `mail', `none' or whatever) or other
1417 properties that this method has (like being respoolable).
1418 If you implement a new select method, all you should have to change is
1419 this variable. I think."
1421 :type '(repeat (group (string :tag "Name")
1422 (radio-button-choice (const :format "%v " post)
1423 (const :format "%v " mail)
1424 (const :format "%v " none)
1426 (checklist :inline t
1427 (const :format "%v " address)
1428 (const :format "%v " prompt-address)
1429 (const :format "%v " physical-address)
1430 (const :format "%v " virtual)
1433 (defun gnus-redefine-select-method-widget ()
1434 "Recomputes the select-method widget based on the value of
1435 `gnus-valid-select-methods'."
1436 (define-widget 'gnus-select-method 'list
1437 "Widget for entering a select method."
1439 :tag "Select Method"
1440 :args `((choice :tag "Method"
1441 ,@(mapcar (lambda (entry)
1442 (list 'const :format "%v\n"
1443 (intern (car entry))))
1444 gnus-valid-select-methods)
1445 (symbol :tag "other"))
1446 (string :tag "Address")
1447 (repeat :tag "Options"
1451 (sexp :tag "Value"))))))
1453 (gnus-redefine-select-method-widget)
1455 (defcustom gnus-updated-mode-lines '(group article summary tree)
1456 "List of buffers that should update their mode lines.
1457 The list may contain the symbols `group', `article', `tree' and
1458 `summary'. If the corresponding symbol is present, Gnus will keep
1459 that mode line updated with information that may be pertinent.
1460 If this variable is nil, screen refresh may be quicker."
1461 :group 'gnus-various
1462 :type '(set (const group)
1467 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1468 (defcustom gnus-mode-non-string-length nil
1469 "*Max length of mode-line non-string contents.
1470 If this is nil, Gnus will take space as is needed, leaving the rest
1471 of the modeline intact. Note that the default of nil is unlikely
1472 to be desirable; see the manual for further details."
1473 :group 'gnus-various
1474 :type '(choice (const nil)
1477 (gnus-define-group-parameter
1480 :function gnus-group-auto-expirable-p
1482 "Check whether GROUP is auto-expirable or not."
1483 :variable gnus-auto-expirable-newsgroups
1484 :variable-default nil
1486 "*Groups in which to automatically mark read articles as expirable.
1487 If non-nil, this should be a regexp that should match all groups in
1488 which to perform auto-expiry. This only makes sense for mail groups."
1489 :variable-group nnmail-expire
1490 :variable-type '(choice (const nil)
1492 :parameter-type '(const :tag "Automatic Expire" t)
1494 "All articles that are read will be marked as expirable.")
1496 (gnus-define-group-parameter
1499 :function gnus-group-total-expirable-p
1501 "Check whether GROUP is total-expirable or not."
1502 :variable gnus-total-expirable-newsgroups
1503 :variable-default nil
1505 "*Groups in which to perform expiry of all read articles.
1506 Use with extreme caution. All groups that match this regexp will be
1507 expiring - which means that all read articles will be deleted after
1508 \(say) one week. (This only goes for mail groups and the like, of
1510 :variable-group nnmail-expire
1511 :variable-type '(choice (const nil)
1513 :parameter-type '(const :tag "Total Expire" t)
1515 "All read articles will be put through the expiry process
1517 This happens even if they are not marked as expirable.
1520 (defcustom gnus-group-uncollapsed-levels 1
1521 "Number of group name elements to leave alone when making a short group name."
1522 :group 'gnus-group-visual
1525 (defcustom gnus-group-use-permanent-levels nil
1526 "*If non-nil, once you set a level, Gnus will use this level."
1527 :group 'gnus-group-levels
1532 (defcustom gnus-load-hook nil
1533 "A hook run while Gnus is loaded."
1537 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1538 "A hook called to apply kill files to a group.
1539 This hook is intended to apply a kill file to the selected newsgroup.
1540 The function `gnus-apply-kill-file' is called by default.
1542 Since a general kill file is too heavy to use only for a few
1543 newsgroups, I recommend you to use a lighter hook function. For
1544 example, if you'd like to apply a kill file to articles which contains
1545 a string `rmgroup' in subject in newsgroup `control', you can use the
1548 (setq gnus-apply-kill-hook
1551 (cond ((string-match \"control\" gnus-newsgroup-name)
1552 (gnus-kill \"Subject\" \"rmgroup\")
1553 (gnus-expunge \"X\"))))))"
1554 :group 'gnus-score-kill
1555 :options '(gnus-apply-kill-file)
1558 (defcustom gnus-group-change-level-function nil
1559 "Function run when a group level is changed.
1560 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1561 :group 'gnus-group-levels
1566 (defcustom gnus-visual
1567 '(summary-highlight group-highlight article-highlight
1569 summary-menu group-menu article-menu
1570 tree-highlight menu highlight
1571 browse-menu server-menu
1572 page-marker tree-menu binary-menu pick-menu
1574 "*Enable visual features.
1575 If `visual' is disabled, there will be no menus and few faces. Most of
1576 the visual customization options below will be ignored. Gnus will use
1577 less space and be faster as a result.
1579 This variable can also be a list of visual elements to switch on. For
1580 instance, to switch off all visual things except menus, you can say:
1582 (setq gnus-visual '(menu))
1584 Valid elements include `summary-highlight', `group-highlight',
1585 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1586 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1587 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1588 and `grouplens-menu'."
1591 :type '(set (const summary-highlight)
1592 (const group-highlight)
1593 (const article-highlight)
1595 (const summary-menu)
1597 (const article-menu)
1598 (const tree-highlight)
1607 (const grouplens-menu)))
1609 (defcustom gnus-mouse-face
1611 (if (gnus-visual-p 'mouse-face 'highlight)
1612 (if (boundp 'gnus-mouse-face)
1613 (or gnus-mouse-face 'highlight)
1617 "*Face used for group or summary buffer mouse highlighting.
1618 The line beneath the mouse pointer will be highlighted with this
1623 (defcustom gnus-article-save-directory gnus-directory
1624 "*Name of the directory articles will be saved in (default \"~/News\")."
1625 :group 'gnus-article-saving
1628 (defvar gnus-plugged t
1629 "Whether Gnus is plugged or not.")
1631 (defcustom gnus-default-charset 'iso-8859-1
1632 "Default charset assumed to be used when viewing non-ASCII characters.
1633 This variable is overridden on a group-to-group basis by the
1634 gnus-group-charset-alist variable and is only used on groups not
1635 covered by that variable."
1637 :group 'gnus-charset)
1640 ;;; Internal variables
1642 (defvar gnus-agent-gcc-header "X-Gnus-Agent-Gcc")
1643 (defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
1644 (defvar gnus-draft-meta-information-header "X-Draft-From")
1645 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1646 (defvar gnus-original-article-buffer " *Original Article*")
1647 (defvar gnus-newsgroup-name nil)
1648 (defvar gnus-ephemeral-servers nil)
1650 (defvar gnus-agent nil
1651 "Whether we want to use the Gnus agent or not.")
1653 (defvar gnus-agent-fetching nil
1654 "Whether Gnus agent is in fetching mode.")
1656 (defvar gnus-command-method nil
1657 "Dynamically bound variable that says what the current backend is.")
1659 (defvar gnus-current-select-method nil
1660 "The current method for selecting a newsgroup.")
1662 (defvar gnus-tree-buffer "*Tree*"
1663 "Buffer where Gnus thread trees are displayed.")
1666 (defvar gnus-use-generic-from nil)
1668 ;; Variable holding the user answers to all method prompts.
1669 (defvar gnus-method-history nil)
1671 ;; Variable holding the user answers to all mail method prompts.
1672 (defvar gnus-mail-method-history nil)
1674 ;; Variable holding the user answers to all group prompts.
1675 (defvar gnus-group-history nil)
1677 (defvar gnus-server-alist nil
1678 "List of available servers.")
1680 (defcustom gnus-cache-directory
1681 (nnheader-concat gnus-directory "cache/")
1682 "*The directory where cached articles will be stored."
1686 (defvar gnus-predefined-server-alist
1689 (nnspool-spool-directory ,gnus-cache-directory)
1690 (nnspool-nov-directory ,gnus-cache-directory)
1691 (nnspool-active-file
1692 ,(nnheader-concat gnus-cache-directory "active"))))
1693 "List of predefined (convenience) servers.")
1695 (defvar gnus-topic-indentation "");; Obsolete variable.
1697 (defconst gnus-article-mark-lists
1698 '((marked . tick) (replied . reply)
1699 (expirable . expire) (killed . killed)
1700 (bookmarks . bookmark) (dormant . dormant)
1701 (scored . score) (saved . save)
1702 (cached . cache) (downloadable . download)
1703 (unsendable . unsend)))
1705 (defvar gnus-headers-retrieved-by nil)
1706 (defvar gnus-article-reply nil)
1707 (defvar gnus-override-method nil)
1708 (defvar gnus-article-check-size nil)
1709 (defvar gnus-opened-servers nil)
1711 (defvar gnus-current-kill-article nil)
1713 (defvar gnus-have-read-active-file nil)
1715 (defconst gnus-maintainer
1716 "semi-gnus-ja@meadowy.org (T-gnus Bugfixing Girls + Boys)"
1717 "The mail address of the T-gnus maintainers.")
1719 (defcustom gnus-info-filename nil
1720 "*Controls language of gnus Info.
1721 If nil and current-language-environment is Japanese, go to gnus-ja.
1722 Otherwise go to corresponding Info.
1723 This variable can be nil, gnus or gnus-ja."
1725 :type '(choice (const nil)
1726 (const :tag "English" gnus)
1727 (const :tag "Japanese" gnus-ja)))
1729 (defvar gnus-info-nodes
1730 '((gnus-group-mode "The Group Buffer")
1731 (gnus-summary-mode "The Summary Buffer")
1732 (gnus-article-mode "The Article Buffer")
1733 (gnus-server-mode "The Server Buffer")
1734 (gnus-browse-mode "Browse Foreign Server")
1735 (gnus-tree-mode "Tree Display"))
1736 "Alist of major modes and related Info nodes.")
1738 (defvar gnus-group-buffer "*Group*")
1739 (defvar gnus-summary-buffer "*Summary*")
1740 (defvar gnus-article-buffer "*Article*")
1741 (defvar gnus-server-buffer "*Server*")
1743 (defvar gnus-slave nil
1744 "Whether this Gnus is a slave or not.")
1746 (defvar gnus-batch-mode nil
1747 "Whether this Gnus is running in batch mode or not.")
1749 (defvar gnus-variable-list
1750 '(gnus-newsrc-options gnus-newsrc-options-n
1751 gnus-newsrc-last-checked-date
1752 gnus-newsrc-alist gnus-server-alist
1753 gnus-killed-list gnus-zombie-list
1754 gnus-topic-topology gnus-topic-alist)
1755 "Gnus variables saved in the quick startup file.")
1757 (defvar gnus-product-variable-file-list
1758 (let ((version (product-version (product-find 'gnus-vers)))
1759 (codesys (static-if (boundp 'MULE) '*ctext* 'ctext)))
1760 `(("strict-cache" ((product-version ,version) (emacs-version))
1762 gnus-format-specs-compiled)
1763 ("cache" ((product-version ,version) (emacs-version))
1765 gnus-format-specs)))
1766 "Gnus variables are saved in the produce depend quick startup files.")
1768 (defcustom gnus-compile-user-specs t
1769 "If non-nil, the user-defined format specs will be byte-compiled
1771 It has an effect on the values of `gnus-*-line-format-spec'."
1775 (defvar gnus-newsrc-alist nil
1776 "Assoc list of read articles.
1777 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1779 (defvar gnus-newsrc-hashtb nil
1780 "Hashtable of gnus-newsrc-alist.")
1782 (defvar gnus-killed-list nil
1783 "List of killed newsgroups.")
1785 (defvar gnus-killed-hashtb nil
1786 "Hash table equivalent of gnus-killed-list.")
1788 (defvar gnus-zombie-list nil
1789 "List of almost dead newsgroups.")
1791 (defvar gnus-description-hashtb nil
1792 "Descriptions of newsgroups.")
1794 (defvar gnus-list-of-killed-groups nil
1795 "List of newsgroups that have recently been killed by the user.")
1797 (defvar gnus-active-hashtb nil
1798 "Hashtable of active articles.")
1800 (defvar gnus-moderated-hashtb nil
1801 "Hashtable of moderated newsgroups.")
1803 ;; Save window configuration.
1804 (defvar gnus-prev-winconf nil)
1806 (defvar gnus-reffed-article-number nil)
1808 ;;; Let the byte-compiler know that we know about this variable.
1809 (defvar rmail-default-rmail-file)
1811 (defvar gnus-dead-summary nil)
1813 (defvar gnus-article-display-hook nil
1814 "Controls how the article buffer will look. This is an obsolete variable;
1815 use the article treating faculties instead. Is is described in Info node
1816 `Customizing Articles'.")
1818 (defvar gnus-invalid-group-regexp "[: `'\"/]\\|^$"
1819 "Regexp matching invalid groups.")
1821 ;;; End of variables.
1823 ;; Define some autoload functions Gnus might use.
1826 ;; This little mapcar goes through the list below and marks the
1827 ;; symbols in question as autoloaded functions.
1830 (let ((interactive (nth 1 (memq ':interactive package))))
1834 (when (consp function)
1835 (setq keymap (car (memq 'keymap function)))
1836 (setq function (car function)))
1837 (unless (fboundp function)
1838 (autoload function (car package) nil interactive keymap))))
1839 (if (eq (nth 1 package) ':interactive)
1842 '(("info" :interactive t Info-goto-node)
1844 ("ps-print" ps-print-preprint)
1845 ("message" :interactive t
1846 message-send-and-exit message-yank-original)
1847 ("babel" babel-as-string)
1848 ("nnmail" nnmail-split-fancy nnmail-article-group)
1849 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1850 ("rmailout" rmail-output rmail-output-to-rmail-file)
1851 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1852 rmail-show-message rmail-summary-exists
1853 rmail-select-summary rmail-update-summary)
1854 ("gnus-audio" :interactive t gnus-audio-play)
1855 ("gnus-xmas" gnus-xmas-splash)
1856 ("gnus-soup" :interactive t
1857 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1858 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1859 ("nnsoup" nnsoup-pack-replies)
1860 ("score-mode" :interactive t gnus-score-mode)
1861 ("gnus-mh" gnus-summary-save-article-folder
1862 gnus-Folder-save-name gnus-folder-save-name)
1863 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1864 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1865 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1866 gnus-demon-add-disconnection gnus-demon-add-handler
1867 gnus-demon-remove-handler)
1868 ("gnus-demon" :interactive t
1869 gnus-demon-init gnus-demon-cancel)
1870 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1871 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1872 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1873 gnus-nocem-unwanted-article-p)
1874 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1875 gnus-server-server-name)
1876 ("gnus-srvr" gnus-browse-foreign-server)
1877 ("gnus-cite" :interactive t
1878 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1879 gnus-article-hide-citation gnus-article-fill-cited-article
1880 gnus-article-hide-citation-in-followups)
1881 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1882 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1883 gnus-execute gnus-expunge gnus-batch-kill gnus-batch-score)
1884 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
1885 gnus-cache-possibly-remove-articles gnus-cache-request-article
1886 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
1887 gnus-cache-enter-remove-article gnus-cached-article-p
1888 gnus-cache-open gnus-cache-close gnus-cache-update-article
1889 gnus-cache-articles-in-group)
1890 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
1891 gnus-cache-remove-article gnus-summary-insert-cached-articles)
1892 ("gnus-score" :interactive t
1893 gnus-summary-increase-score gnus-summary-set-score
1894 gnus-summary-raise-thread gnus-summary-raise-same-subject
1895 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
1896 gnus-summary-lower-thread gnus-summary-lower-same-subject
1897 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
1898 gnus-summary-current-score gnus-score-delta-default
1899 gnus-score-flush-cache gnus-score-close
1900 gnus-possibly-score-headers gnus-score-followup-article
1901 gnus-score-followup-thread)
1903 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
1904 gnus-current-score-file-nondirectory gnus-score-adaptive
1905 gnus-score-find-trace gnus-score-file-name)
1906 ("gnus-cus" :interactive t gnus-custom-mode gnus-group-customize
1907 gnus-score-customize)
1908 ("gnus-topic" :interactive t gnus-topic-mode)
1909 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters
1910 gnus-subscribe-topics)
1911 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
1912 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
1913 ("gnus-uu" :interactive t
1914 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
1915 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
1916 gnus-uu-mark-by-regexp gnus-uu-mark-all
1917 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
1918 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
1919 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
1920 gnus-uu-decode-binhex gnus-uu-decode-uu-view
1921 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
1922 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
1923 gnus-uu-decode-binhex-view gnus-uu-unmark-thread
1924 gnus-uu-mark-over gnus-uu-post-news)
1925 ("gnus-uu" gnus-uu-delete-work-dir gnus-quote-arg-for-sh-or-csh
1926 gnus-uu-unmark-thread)
1927 ("gnus-msg" (gnus-summary-send-map keymap)
1928 gnus-article-mail gnus-copy-article-buffer gnus-following-method)
1929 ("gnus-msg" :interactive t
1930 gnus-group-post-news gnus-group-mail gnus-summary-post-news
1931 gnus-summary-followup gnus-summary-followup-with-original
1932 gnus-summary-cancel-article gnus-summary-supersede-article
1933 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
1934 gnus-summary-mail-forward gnus-summary-mail-other-window
1935 gnus-summary-resend-message gnus-summary-resend-bounced-mail
1936 gnus-summary-wide-reply gnus-summary-followup-to-mail
1937 gnus-summary-followup-to-mail-with-original gnus-bug
1938 gnus-summary-wide-reply-with-original
1939 gnus-summary-post-forward gnus-summary-wide-reply-with-original
1940 gnus-summary-post-forward)
1941 ("gnus-picon" :interactive t gnus-article-display-picons
1942 gnus-group-display-picons)
1943 ("gnus-picon" gnus-picons-buffer-name)
1944 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
1945 gnus-grouplens-mode)
1946 ("smiley" :interactive t gnus-smiley-display)
1947 ("gnus-win" gnus-configure-windows gnus-add-configuration)
1948 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
1949 gnus-list-of-unread-articles gnus-list-of-read-articles
1950 gnus-offer-save-summaries gnus-make-thread-indent-array
1951 gnus-summary-exit gnus-update-read-articles gnus-summary-last-subject
1952 gnus-summary-skip-intangible gnus-summary-article-number
1953 gnus-data-header gnus-data-find gnus-summary-jump-to-other-group)
1954 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
1955 gnus-group-list-groups gnus-group-first-unread-group
1956 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
1957 gnus-group-setup-buffer gnus-group-get-new-news
1958 gnus-group-make-help-group gnus-group-update-group
1959 gnus-group-iterate gnus-group-group-name)
1960 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
1961 gnus-backlog-remove-article)
1962 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
1963 gnus-article-prepare gnus-article-set-window-start
1964 gnus-article-next-page gnus-article-prev-page
1965 gnus-request-article-this-buffer gnus-article-mode
1966 gnus-article-setup-buffer gnus-narrow-to-page
1967 gnus-article-delete-invisible-text gnus-treat-article)
1968 ("gnus-art" :interactive t
1969 gnus-article-hide-headers gnus-article-hide-boring-headers
1970 gnus-article-treat-overstrike
1971 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
1972 gnus-article-display-x-face
1973 gnus-article-decode-HZ
1974 gnus-article-wash-html
1975 gnus-article-hide-pgp
1976 gnus-article-hide-pem gnus-article-hide-signature
1977 gnus-article-strip-leading-blank-lines gnus-article-date-local
1978 gnus-article-date-original gnus-article-date-lapsed
1979 gnus-article-show-all-headers gnus-article-show-all
1980 gnus-article-edit-mode gnus-article-edit-article
1981 gnus-article-edit-done article-decode-encoded-words
1982 gnus-start-date-timer gnus-stop-date-timer
1983 gnus-article-toggle-headers)
1984 ("gnus-int" gnus-request-type)
1985 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
1986 gnus-dribble-enter gnus-read-init-file gnus-dribble-touch)
1987 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
1988 gnus-dup-enter-articles)
1989 ("gnus-range" gnus-copy-sequence)
1990 ("gnus-eform" gnus-edit-form)
1991 ("gnus-move" :interactive t
1992 gnus-group-move-group-to-server gnus-change-server)
1993 ("gnus-logic" gnus-score-advanced)
1994 ("gnus-undo" gnus-undo-mode gnus-undo-register)
1995 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
1996 gnus-async-prefetch-article gnus-async-prefetch-remove-group
1997 gnus-async-halt-prefetch)
2000 ("gnus-offline" :interactive t
2001 gnus-offline-toggle-plugged
2002 gnus-offline-set-unplugged-state
2003 gnus-offline-toggle-auto-hangup
2004 gnus-offline-toggle-on/off-send-mail
2005 gnus-offline-toggle-articles-to-fetch
2006 gnus-offline-set-interval-time
2007 gnus-offline-agent-expire)
2008 ("miee" :interactive t gnspool-get-news
2009 mail-spool-send news-spool-post)
2010 ("international/mw32misc" define-process-argument-editing
2011 general-process-argument-editing-function)
2012 ("gnus-agent" gnus-open-agent gnus-agent-get-function
2013 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
2014 gnus-agent-get-undownloaded-list gnus-agent-fetch-session
2015 gnus-summary-set-agent-mark gnus-agent-save-group-info)
2016 ("gnus-agent" :interactive t
2017 gnus-unplugged gnus-agentize gnus-agent-batch)
2018 ("gnus-vm" :interactive t gnus-summary-save-in-vm
2019 gnus-summary-save-article-vm)
2020 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-drafts)
2021 ("gnus-mlspl" gnus-group-split gnus-group-split-fancy)
2022 ("gnus-mlspl" :interactive t gnus-group-split-setup
2023 gnus-group-split-update))))
2026 (unless (featurep 'xemacs)
2027 (if (>= emacs-major-version 21)
2028 (autoload 'x-face-decode-message-header "x-face-e21")
2029 (autoload 'gnus-smiley-display "gnus-bitmap" nil t)
2030 (autoload 'smiley-toggle-buffer "gnus-bitmap")
2031 (autoload 'x-face-mule-gnus-article-display-x-face "x-face-mule"))))
2033 ;;; gnus-sum.el thingies
2036 (defcustom gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
2037 "*The format specification of the lines in the summary buffer.
2039 It works along the same lines as a normal formatting string,
2040 with some simple extensions.
2042 %N Article number, left padded with spaces (string)
2044 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
2045 %n Name of the poster (string)
2046 %a Extracted name of the poster (string)
2047 %A Extracted address of the poster (string)
2048 %F Contents of the From: header (string)
2049 %f Contents of the From: or To: headers (string)
2050 %x Contents of the Xref: header (string)
2051 %D Date of the article (string)
2052 %d Date of the article (string) in DD-MMM format
2053 %M Message-id of the article (string)
2054 %r References of the article (string)
2055 %c Number of characters in the article (integer)
2056 %L Number of lines in the article (integer)
2057 %I Indentation based on thread level (a string of spaces)
2058 %T A string with two possible values: 80 spaces if the article
2059 is on thread level two or larger and 0 spaces on level one
2060 %R \"A\" if this article has been replied to, \" \" otherwise (character)
2061 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
2062 %[ Opening bracket (character, \"[\" or \"<\")
2063 %] Closing bracket (character, \"]\" or \">\")
2064 %> Spaces of length thread-level (string)
2065 %< Spaces of length (- 20 thread-level) (string)
2066 %i Article score (number)
2067 %z Article zcore (character)
2068 %t Number of articles under the current thread (number).
2069 %e Whether the thread is empty or not (character).
2070 %l GroupLens score (string).
2071 %V Total thread score (number).
2072 %P The line number (number).
2073 %O Download mark (character).
2074 %u User defined specifier. The next character in the format string should
2075 be a letter. Gnus will call the function gnus-user-format-function-X,
2076 where X is the letter following %u. The function will be passed the
2077 current header as argument. The function should return a string, which
2078 will be inserted into the summary just like information from any other
2081 Text between %( and %) will be highlighted with `gnus-mouse-face'
2082 when the mouse point is placed inside the area. There can only be one
2085 The %U (status), %R (replied) and %z (zcore) specs have to be handled
2086 with care. For reasons of efficiency, Gnus will compute what column
2087 these characters will end up in, and \"hard-code\" that. This means that
2088 it is invalid to have these specs after a variable-length spec. Well,
2089 you might not be arrested, but your summary buffer will look strange,
2090 which is bad enough.
2092 The smart choice is to have these specs as for to the left as
2095 This restriction may disappear in later versions of Gnus."
2097 :group 'gnus-summary-format)
2100 ;;; Skeleton keymaps
2103 (defun gnus-suppress-keymap (keymap)
2104 (suppress-keymap keymap)
2105 (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
2107 (define-key keymap (pop keys) 'undefined))))
2109 (defvar gnus-article-mode-map
2110 (let ((keymap (make-sparse-keymap)))
2111 (gnus-suppress-keymap keymap)
2113 (defvar gnus-summary-mode-map
2114 (let ((keymap (make-keymap)))
2115 (gnus-suppress-keymap keymap)
2117 (defvar gnus-group-mode-map
2118 (let ((keymap (make-keymap)))
2119 (gnus-suppress-keymap keymap)
2124 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
2125 ;; If you want the cursor to go somewhere else, set these two
2126 ;; functions in some startup hook to whatever you want.
2127 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
2128 (defalias 'gnus-group-position-point 'gnus-goto-colon)
2130 ;;; Various macros and substs.
2132 (defun gnus-header-from (header)
2133 (mail-header-from header))
2135 (defmacro gnus-gethash (string hashtable)
2136 "Get hash value of STRING in HASHTABLE."
2137 `(symbol-value (intern-soft ,string ,hashtable)))
2139 (defmacro gnus-sethash (string value hashtable)
2140 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
2141 `(set (intern ,string ,hashtable) ,value))
2142 (put 'gnus-sethash 'edebug-form-spec '(form form form))
2144 (defmacro gnus-group-unread (group)
2145 "Get the currently computed number of unread articles in GROUP."
2146 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
2148 (defmacro gnus-group-entry (group)
2149 "Get the newsrc entry for GROUP."
2150 `(gnus-gethash ,group gnus-newsrc-hashtb))
2152 (defmacro gnus-active (group)
2153 "Get active info on GROUP."
2154 `(gnus-gethash ,group gnus-active-hashtb))
2156 (defmacro gnus-set-active (group active)
2157 "Set GROUP's active info."
2158 `(gnus-sethash ,group ,active gnus-active-hashtb))
2160 ;; Info access macros.
2162 (defmacro gnus-info-group (info)
2164 (defmacro gnus-info-rank (info)
2166 (defmacro gnus-info-read (info)
2168 (defmacro gnus-info-marks (info)
2170 (defmacro gnus-info-method (info)
2172 (defmacro gnus-info-params (info)
2175 (defmacro gnus-info-level (info)
2176 `(let ((rank (gnus-info-rank ,info)))
2180 (defmacro gnus-info-score (info)
2181 `(let ((rank (gnus-info-rank ,info)))
2182 (or (and (consp rank) (cdr rank)) 0)))
2184 (defmacro gnus-info-set-group (info group)
2185 `(setcar ,info ,group))
2186 (defmacro gnus-info-set-rank (info rank)
2187 `(setcar (nthcdr 1 ,info) ,rank))
2188 (defmacro gnus-info-set-read (info read)
2189 `(setcar (nthcdr 2 ,info) ,read))
2190 (defmacro gnus-info-set-marks (info marks &optional extend)
2192 `(gnus-info-set-entry ,info ,marks 3)
2193 `(setcar (nthcdr 3 ,info) ,marks)))
2194 (defmacro gnus-info-set-method (info method &optional extend)
2196 `(gnus-info-set-entry ,info ,method 4)
2197 `(setcar (nthcdr 4 ,info) ,method)))
2198 (defmacro gnus-info-set-params (info params &optional extend)
2200 `(gnus-info-set-entry ,info ,params 5)
2201 `(setcar (nthcdr 5 ,info) ,params)))
2203 (defun gnus-info-set-entry (info entry number)
2204 ;; Extend the info until we have enough elements.
2205 (while (<= (length info) number)
2206 (nconc info (list nil)))
2208 (setcar (nthcdr number info) entry))
2210 (defmacro gnus-info-set-level (info level)
2211 `(let ((rank (cdr ,info)))
2212 (if (consp (car rank))
2213 (setcar (car rank) ,level)
2214 (setcar rank ,level))))
2215 (defmacro gnus-info-set-score (info score)
2216 `(let ((rank (cdr ,info)))
2217 (if (consp (car rank))
2218 (setcdr (car rank) ,score)
2219 (setcar rank (cons (car rank) ,score)))))
2221 (defmacro gnus-get-info (group)
2222 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
2224 ;; Byte-compiler warning.
2225 (defvar gnus-visual)
2226 ;; Find out whether the gnus-visual TYPE is wanted.
2227 (defun gnus-visual-p (&optional type class)
2228 (and gnus-visual ; Has to be non-nil, at least.
2229 (if (not type) ; We don't care about type.
2231 (if (listp gnus-visual) ; It's a list, so we check it.
2232 (or (memq type gnus-visual)
2233 (memq class gnus-visual))
2236 ;;; Load the compatability functions.
2245 (defvar gnus-shutdown-alist nil)
2247 (defun gnus-add-shutdown (function &rest symbols)
2248 "Run FUNCTION whenever one of SYMBOLS is shut down."
2249 (push (cons function symbols) gnus-shutdown-alist))
2251 (defun gnus-shutdown (symbol)
2252 "Shut down everything that waits for SYMBOL."
2253 (let ((alist gnus-shutdown-alist)
2255 (while (setq entry (pop alist))
2256 (when (memq symbol (cdr entry))
2257 (funcall (car entry))))))
2261 ;;; Gnus Utility Functions
2265 (defmacro gnus-string-or (&rest strings)
2266 "Return the first element of STRINGS that is a non-blank string.
2267 STRINGS will be evaluated in normal `or' order."
2268 `(gnus-string-or-1 ',strings))
2270 (defun gnus-string-or-1 (strings)
2273 (setq string (eval (pop strings)))
2274 (if (string-match "^[ \t]*$" string)
2276 (setq strings nil)))
2279 (defun gnus-info-find-node ()
2280 "Find Info documentation of Gnus."
2282 ;; Enlarge info window if needed.
2283 (let (gnus-info-buffer)
2286 (or gnus-info-filename
2287 (get-language-info current-language-environment 'gnus-info)
2289 (cadr (assq major-mode gnus-info-nodes))))
2290 (setq gnus-info-buffer (current-buffer))
2291 (gnus-configure-windows 'info)))
2294 ;;; gnus-interactive
2297 (defvar gnus-current-prefix-symbol nil
2298 "Current prefix symbol.")
2300 (defvar gnus-current-prefix-symbols nil
2301 "List of current prefix symbols.")
2303 (defun gnus-interactive (string &optional params)
2304 "Return a list that can be fed to `interactive'.
2305 See `interactive' for full documentation.
2307 Adds the following specs:
2309 y -- The current symbolic prefix.
2310 Y -- A list of the current symbolic prefix(es).
2311 A -- Article number.
2312 H -- Article header.
2316 (while (< i (length string))
2317 (string-match ".\\([^\n]*\\)\n?" string i)
2318 (setq c (aref string i))
2320 (setq prompt (match-string 1 string)))
2321 (setq i (match-end 0))
2322 ;; We basically emulate just about everything that
2323 ;; `interactive' does, but add the specs listed above.
2327 (completing-read prompt obarray 'fboundp t))
2329 (read-buffer prompt (current-buffer) t))
2331 (read-buffer prompt (other-buffer (current-buffer))))
2335 (completing-read prompt obarray 'commandp t))
2339 (read-file-name prompt nil default-directory 'lambda))
2341 (read-file-name prompt nil nil 'lambda))
2343 (read-file-name prompt))
2345 (read-key-sequence prompt))
2347 (error "Not implemented spec"))
2349 (error "Not implemented spec"))
2353 (error "Not implemented spec"))
2355 (string-to-number (read-from-minibuffer prompt)))
2357 (prefix-numeric-value current-prefix-arg))
2363 (read-string prompt))
2365 (intern (read-string prompt)))
2367 (read-variable prompt))
2369 (read-minibuffer prompt))
2371 (eval-minibuffer prompt))
2372 ;; And here the new specs come.
2374 gnus-current-prefix-symbol)
2376 gnus-current-prefix-symbols)
2378 (gnus-group-group-name))
2380 (gnus-summary-skip-intangible)
2381 (or (get-text-property (point) 'gnus-number)
2382 (gnus-summary-last-subject)))
2384 (gnus-data-header (gnus-data-find (gnus-summary-article-number))))
2386 (error "Non-implemented spec")))
2390 (push (if (< (point) (mark) (point) (mark))) out)
2391 (push (if (> (point) (mark) (point) (mark))) out))))
2392 (setq out (delq 'gnus-prefix-nil out))
2395 (defun gnus-symbolic-argument (&optional arg)
2396 "Read a symbolic argument and a command, and then execute command."
2398 (let* ((in-command (this-command-keys))
2399 (command in-command)
2400 gnus-current-prefix-symbols
2401 gnus-current-prefix-symbol
2403 (while (equal in-command command)
2404 (message "%s-" (key-description (this-command-keys)))
2405 (push (intern (char-to-string (read-char))) syms)
2406 (setq command (read-key-sequence nil t)))
2407 (setq gnus-current-prefix-symbols (nreverse syms)
2408 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2409 (call-interactively (key-binding command t))))
2411 ;;; More various functions.
2413 (defsubst gnus-check-backend-function (func group)
2414 "Check whether GROUP supports function FUNC.
2415 GROUP can either be a string (a group name) or a select method."
2417 (let ((method (if (stringp group)
2418 (car (gnus-find-method-for-group group))
2420 (unless (featurep method)
2422 (fboundp (intern (format "%s-%s" method func))))))
2424 (defun gnus-group-read-only-p (&optional group)
2425 "Check whether GROUP supports editing or not.
2426 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2427 that that variable is buffer-local to the summary buffers."
2428 (let ((group (or group gnus-newsgroup-name)))
2429 (not (gnus-check-backend-function 'request-replace-article group))))
2431 (defun gnus-virtual-group-p (group)
2432 "Say whether GROUP is virtual or not."
2433 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2434 gnus-valid-select-methods)))
2436 (defun gnus-news-group-p (group &optional article)
2437 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2438 (or (gnus-member-of-valid 'post group) ; Ordinary news group.
2439 (and (gnus-member-of-valid 'post-mail group) ; Combined group.
2440 (if (or (null article)
2441 (not (< article 0)))
2442 (eq (gnus-request-type group article) 'news)
2443 (if (not (vectorp article))
2445 ;; It's a real article.
2446 (eq (gnus-request-type group (mail-header-id article))
2449 ;; Returns a list of writable groups.
2450 (defun gnus-writable-groups ()
2451 (let ((alist gnus-newsrc-alist)
2453 (while (setq group (car (pop alist)))
2454 (unless (gnus-group-read-only-p group)
2455 (push group groups)))
2458 ;; Check whether to use long file names.
2459 (defun gnus-use-long-file-name (symbol)
2460 ;; The variable has to be set...
2461 (and gnus-use-long-file-name
2462 ;; If it isn't a list, then we return t.
2463 (or (not (listp gnus-use-long-file-name))
2464 ;; If it is a list, and the list contains `symbol', we
2466 (not (memq symbol gnus-use-long-file-name)))))
2468 ;; Generate a unique new group name.
2469 (defun gnus-generate-new-group-name (leaf)
2472 (while (gnus-gethash name gnus-newsrc-hashtb)
2473 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2476 (defun gnus-ephemeral-group-p (group)
2477 "Say whether GROUP is ephemeral or not."
2478 (gnus-group-get-parameter group 'quit-config t))
2480 (defun gnus-group-quit-config (group)
2481 "Return the quit-config of GROUP."
2482 (gnus-group-get-parameter group 'quit-config t))
2484 (defun gnus-kill-ephemeral-group (group)
2485 "Remove ephemeral GROUP from relevant structures."
2486 (gnus-sethash group nil gnus-newsrc-hashtb))
2488 (defun gnus-simplify-mode-line ()
2489 "Make mode lines a bit simpler."
2490 (setq mode-line-modified (cdr gnus-mode-line-modified))
2491 (when (listp mode-line-format)
2492 (make-local-variable 'mode-line-format)
2493 (setq mode-line-format (copy-sequence mode-line-format))
2494 (when (equal (nth 3 mode-line-format) " ")
2495 (setcar (nthcdr 3 mode-line-format) " "))))
2497 ;;; Servers and groups.
2499 (defsubst gnus-server-add-address (method)
2500 (let ((method-name (symbol-name (car method))))
2501 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2502 (not (assq (intern (concat method-name "-address")) method))
2503 (memq 'physical-address (assq (car method)
2504 gnus-valid-select-methods)))
2505 (append method (list (list (intern (concat method-name "-address"))
2509 (defsubst gnus-server-get-method (group method)
2510 ;; Input either a server name, and extended server name, or a
2511 ;; select method, and return a select method.
2512 (cond ((stringp method)
2513 (gnus-server-to-method method))
2514 ((equal method gnus-select-method)
2516 ((and (stringp (car method))
2518 (gnus-server-extend-method group method))
2521 (equal (cadr method) ""))
2524 (gnus-server-add-address method))))
2526 (defun gnus-server-to-method (server)
2527 "Map virtual server names to select methods."
2529 ;; Is this a method, perhaps?
2530 (and server (listp server) server)
2531 ;; Perhaps this is the native server?
2532 (and (equal server "native") gnus-select-method)
2533 ;; It should be in the server alist.
2534 (cdr (assoc server gnus-server-alist))
2535 ;; It could be in the predefined server alist.
2536 (cdr (assoc server gnus-predefined-server-alist))
2537 ;; If not, we look through all the opened server
2538 ;; to see whether we can find it there.
2539 (let ((opened gnus-opened-servers))
2541 (not (equal server (format "%s:%s" (caaar opened)
2545 ;; It could be a named method, search all servers
2546 (let ((servers gnus-secondary-select-methods))
2548 (not (equal server (format "%s:%s" (caar servers)
2553 (defmacro gnus-method-equal (ss1 ss2)
2554 "Say whether two servers are equal."
2558 (and (= (length s1) (length s2))
2560 (while (and s1 (member (car s1) s2))
2564 (defun gnus-methods-equal-p (m1 m2)
2565 (let ((m1 (or m1 gnus-select-method))
2566 (m2 (or m2 gnus-select-method)))
2568 (and (eq (car m1) (car m2))
2569 (or (not (memq 'address (assoc (symbol-name (car m1))
2570 gnus-valid-select-methods)))
2571 (equal (nth 1 m1) (nth 1 m2)))))))
2573 (defun gnus-server-equal (m1 m2)
2574 "Say whether two methods are equal."
2575 (let ((m1 (cond ((null m1) gnus-select-method)
2576 ((stringp m1) (gnus-server-to-method m1))
2578 (m2 (cond ((null m2) gnus-select-method)
2579 ((stringp m2) (gnus-server-to-method m2))
2581 (gnus-method-equal m1 m2)))
2583 (defun gnus-servers-using-backend (backend)
2584 "Return a list of known servers using BACKEND."
2585 (let ((opened gnus-opened-servers)
2588 (when (eq backend (caaar opened))
2589 (push (caar opened) out))
2593 (defun gnus-archive-server-wanted-p ()
2594 "Say whether the user wants to use the archive server."
2596 ((or (not gnus-message-archive-method)
2597 (not gnus-message-archive-group))
2599 ((and gnus-message-archive-method gnus-message-archive-group)
2602 (let ((active (cadr (assq 'nnfolder-active-file
2603 gnus-message-archive-method))))
2605 (file-exists-p active))))))
2607 (defsubst gnus-method-to-server-name (method)
2609 (format "%s" (car method))
2611 (or (assoc (format "%s" (car method))
2612 (gnus-methods-using 'address))
2613 (gnus-server-equal method gnus-message-archive-method))
2615 (not (string= (nth 1 method) "")))
2616 (concat "+" (nth 1 method)))))
2618 (defun gnus-group-prefixed-name (group method)
2619 "Return the whole name from GROUP and METHOD."
2620 (and (stringp method) (setq method (gnus-server-to-method method)))
2621 (if (or (not method)
2622 (gnus-server-equal method "native"))
2624 (concat (gnus-method-to-server-name method) ":" group)))
2626 (defun gnus-group-real-prefix (group)
2627 "Return the prefix of the current group name."
2628 (if (string-match "^[^:]+:" group)
2629 (substring group 0 (match-end 0))
2632 (defun gnus-group-method (group)
2633 "Return the server or method used for selecting GROUP.
2634 You should probably use `gnus-find-method-for-group' instead."
2635 (let ((prefix (gnus-group-real-prefix group)))
2636 (if (equal prefix "")
2638 (let ((servers gnus-opened-servers)
2640 backend possible found)
2641 (if (string-match "^[^\\+]+\\+" prefix)
2642 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2643 server (substring prefix (match-end 0) (1- (length prefix))))
2644 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2646 (when (eq (caaar servers) backend)
2647 (setq possible (caar servers))
2648 (when (equal (cadaar servers) server)
2649 (setq found (caar servers))))
2651 (or (car (rassoc found gnus-server-alist))
2653 (car (rassoc possible gnus-server-alist))
2655 (list backend server))))))
2657 (defsubst gnus-native-method-p (method)
2658 "Return whether METHOD is the native select method."
2659 (gnus-method-equal method gnus-select-method))
2661 (defsubst gnus-secondary-method-p (method)
2662 "Return whether METHOD is a secondary select method."
2663 (let ((methods gnus-secondary-select-methods)
2664 (gmethod (gnus-server-get-method nil method)))
2666 (not (gnus-method-equal
2667 (gnus-server-get-method nil (car methods))
2669 (setq methods (cdr methods)))
2672 (defun gnus-method-simplify (method)
2673 "Return the shortest uniquely identifying string or method for METHOD."
2674 (cond ((stringp method)
2676 ((gnus-native-method-p method)
2678 ((gnus-secondary-method-p method)
2679 (format "%s:%s" (nth 0 method) (nth 1 method)))
2683 (defun gnus-groups-from-server (server)
2684 "Return a list of all groups that are fetched from SERVER."
2685 (let ((alist (cdr gnus-newsrc-alist))
2687 (while (setq info (pop alist))
2688 (when (gnus-server-equal (gnus-info-method info) server)
2689 (push (gnus-info-group info) groups)))
2690 (sort groups 'string<)))
2692 (defun gnus-group-foreign-p (group)
2693 "Say whether a group is foreign or not."
2694 (and (not (gnus-group-native-p group))
2695 (not (gnus-group-secondary-p group))))
2697 (defun gnus-group-native-p (group)
2698 "Say whether the group is native or not."
2699 (not (string-match ":" group)))
2701 (defun gnus-group-secondary-p (group)
2702 "Say whether the group is secondary or not."
2703 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2705 (defun gnus-group-find-parameter (group &optional symbol allow-list)
2706 "Return the group parameters for GROUP.
2707 If SYMBOL, return the value of that symbol in the group parameters."
2709 (set-buffer gnus-group-buffer)
2710 (let ((parameters (funcall gnus-group-get-parameter-function group)))
2712 (gnus-group-parameter-value parameters symbol allow-list)
2715 (defun gnus-group-get-parameter (group &optional symbol allow-list)
2716 "Return the group parameters for GROUP.
2717 If SYMBOL, return the value of that symbol in the group parameters.
2718 Most functions should use `gnus-group-find-parameter', which
2719 also examines the topic parameters."
2720 (let ((params (gnus-info-params (gnus-get-info group))))
2722 (gnus-group-parameter-value params symbol allow-list)
2725 (defun gnus-group-parameter-value (params symbol &optional allow-list)
2726 "Return the value of SYMBOL in group PARAMS."
2727 ;; We only wish to return group parameters (dotted lists) and
2728 ;; not local variables, which may have the same names.
2729 ;; But first we handle single elements...
2730 (or (car (memq symbol params))
2734 (while (setq elem (pop params))
2735 (when (and (consp elem)
2736 (eq (car elem) symbol)
2739 (throw 'found (cdr elem))))))))
2741 (defun gnus-group-add-parameter (group param)
2742 "Add parameter PARAM to GROUP."
2743 (let ((info (gnus-get-info group)))
2745 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2746 ;; Cons the new param to the old one and update.
2747 (gnus-group-set-info (cons param (gnus-info-params info))
2750 (defun gnus-group-set-parameter (group name value)
2751 "Set parameter NAME to VALUE in GROUP."
2752 (let ((info (gnus-get-info group)))
2754 (gnus-group-remove-parameter group name)
2755 (let ((old-params (gnus-info-params info))
2756 (new-params (list (cons name value))))
2758 (when (or (not (listp (car old-params)))
2759 (not (eq (caar old-params) name)))
2760 (setq new-params (append new-params (list (car old-params)))))
2761 (setq old-params (cdr old-params)))
2762 (gnus-group-set-info new-params group 'params)))))
2764 (defun gnus-group-remove-parameter (group name)
2765 "Remove parameter NAME from GROUP."
2766 (let ((info (gnus-get-info group)))
2768 (let ((params (gnus-info-params info)))
2770 (setq params (delq name params))
2771 (while (assq name params)
2772 (gnus-pull name params))
2773 (gnus-info-set-params info params))))))
2775 (defun gnus-group-add-score (group &optional score)
2776 "Add SCORE to the GROUP score.
2777 If SCORE is nil, add 1 to the score of GROUP."
2778 (let ((info (gnus-get-info group)))
2780 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2782 (defun gnus-short-group-name (group &optional levels)
2783 "Collapse GROUP name LEVELS.
2784 Select methods are stripped and any remote host name is stripped down to
2785 just the host name."
2791 gnus-group-uncollapsed-levels
2793 (while (string-match "\\." group skip)
2794 (setq skip (match-end 0)
2797 ;; Separate foreign select method from group name and collapse.
2798 ;; If method contains a server, collapse to non-domain server name,
2799 ;; otherwise collapse to select method.
2800 (let* ((colon (string-match ":" group))
2801 (server (and colon (substring group 0 colon)))
2802 (plus (and server (string-match "+" server))))
2805 (setq foreign (substring server (+ 1 plus)
2806 (string-match "\\." server))
2807 group (substring group (+ 1 colon)))
2808 (setq foreign server
2809 group (substring group (+ 1 colon))))
2810 (setq foreign (concat foreign ":")))
2811 ;; Collapse group name leaving LEVELS uncollapsed elements
2812 (let* ((slist (split-string group "/"))
2813 (slen (length slist))
2814 (dlist (split-string group "\\."))
2815 (dlen (length dlist))
2827 (setq levels (- glen levels))
2829 (push (if (>= (decf levels) 0)
2830 (if (zerop (length g))
2835 (concat foreign (mapconcat 'identity (nreverse res) gsep))))))
2837 (defun gnus-narrow-to-body ()
2838 "Narrow to the body of an article."
2841 (goto-char (point-min))
2842 (or (search-forward "\n\n" nil t)
2848 ;;; Kill file handling.
2851 (defun gnus-apply-kill-file ()
2852 "Apply a kill file to the current newsgroup.
2853 Returns the number of articles marked as read."
2854 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
2855 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2856 (gnus-apply-kill-file-internal)
2859 (defun gnus-kill-save-kill-buffer ()
2860 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
2861 (when (get-file-buffer file)
2863 (set-buffer (get-file-buffer file))
2864 (when (buffer-modified-p)
2866 (kill-buffer (current-buffer))))))
2868 (defcustom gnus-kill-file-name "KILL"
2869 "Suffix of the kill files."
2870 :group 'gnus-score-kill
2871 :group 'gnus-score-files
2874 (defun gnus-newsgroup-kill-file (newsgroup)
2875 "Return the name of a kill file name for NEWSGROUP.
2876 If NEWSGROUP is nil, return the global kill file name instead."
2878 ;; The global KILL file is placed at top of the directory.
2879 ((or (null newsgroup)
2880 (string-equal newsgroup ""))
2881 (expand-file-name gnus-kill-file-name
2882 gnus-kill-files-directory))
2883 ;; Append ".KILL" to newsgroup name.
2884 ((gnus-use-long-file-name 'not-kill)
2885 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2886 "." gnus-kill-file-name)
2887 gnus-kill-files-directory))
2888 ;; Place "KILL" under the hierarchical directory.
2890 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2891 "/" gnus-kill-file-name)
2892 gnus-kill-files-directory))))
2896 (defun gnus-member-of-valid (symbol group)
2897 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
2899 (symbol-name (car (gnus-find-method-for-group group)))
2900 gnus-valid-select-methods)))
2902 (defun gnus-method-option-p (method option)
2903 "Return non-nil if select METHOD has OPTION as a parameter."
2904 (when (stringp method)
2905 (setq method (gnus-server-to-method method)))
2906 (memq option (assoc (format "%s" (car method))
2907 gnus-valid-select-methods)))
2909 (defun gnus-similar-server-opened (method)
2910 (let ((opened gnus-opened-servers))
2911 (while (and method opened)
2912 (when (and (equal (cadr method) (cadaar opened))
2913 (equal (car method) (caaar opened))
2914 (not (equal method (caar opened))))
2919 (defun gnus-server-extend-method (group method)
2920 ;; This function "extends" a virtual server. If the server is
2921 ;; "hello", and the select method is ("hello" (my-var "something"))
2922 ;; in the group "alt.alt", this will result in a new virtual server
2923 ;; called "hello+alt.alt".
2924 (if (or (not (inline (gnus-similar-server-opened method)))
2925 (not (cddr method)))
2927 `(,(car method) ,(concat (cadr method) "+" group)
2928 (,(intern (format "%s-address" (car method))) ,(cadr method))
2931 (defun gnus-server-status (method)
2932 "Return the status of METHOD."
2933 (nth 1 (assoc method gnus-opened-servers)))
2935 (defun gnus-group-name-to-method (group)
2936 "Guess a select method based on GROUP."
2937 (if (string-match ":" group)
2938 (let ((server (substring group 0 (match-beginning 0))))
2939 (if (string-match "\\+" server)
2940 (list (intern (substring server 0 (match-beginning 0)))
2941 (substring server (match-end 0)))
2942 (list (intern server) "")))
2943 gnus-select-method))
2945 (defun gnus-find-method-for-group (group &optional info)
2946 "Find the select method that GROUP uses."
2947 (or gnus-override-method
2950 (and (not (gnus-group-entry group));; a new group
2951 (gnus-group-name-to-method group))
2952 (let ((info (or info (gnus-get-info group)))
2955 (not (setq method (gnus-info-method info)))
2956 (equal method "native"))
2959 (cond ((stringp method)
2960 (inline (gnus-server-to-method method)))
2961 ((stringp (cadr method))
2962 (inline (gnus-server-extend-method group method)))
2965 (cond ((equal (cadr method) "")
2967 ((null (cadr method))
2968 (list (car method) ""))
2970 (gnus-server-add-address method)))))))
2972 (defun gnus-methods-using (feature)
2973 "Find all methods that have FEATURE."
2974 (let ((valids gnus-valid-select-methods)
2977 (when (memq feature (car valids))
2978 (push (car valids) outs))
2979 (setq valids (cdr valids)))
2982 (defun gnus-read-group (prompt &optional default)
2983 "Prompt the user for a group name.
2984 Disallow invalid group names."
2989 gnus-invalid-group-regexp
2990 (setq group (read-string (concat prefix prompt)
2991 (cons (or default "") 0)
2992 'gnus-group-history)))
2993 (setq prefix (format "Invalid group name: \"%s\". " group)
2997 (defun gnus-read-method (prompt)
2998 "Prompt the user for a method.
2999 Allow completion over sensible values."
3001 (append gnus-valid-select-methods
3002 (mapcar (lambda (i) (list (format "%s:%s" (caar i)
3004 gnus-opened-servers)
3005 gnus-predefined-server-alist
3010 nil t nil 'gnus-method-history)))
3013 (setq method gnus-select-method))
3014 ((assoc method gnus-valid-select-methods)
3015 (let ((address (if (memq 'prompt-address
3016 (assoc method gnus-valid-select-methods))
3017 (read-string "Address: ")
3019 (or (let ((opened gnus-opened-servers))
3021 (not (equal (format "%s:%s" method address)
3022 (format "%s:%s" (caaar opened)
3026 (list (intern method) address))))
3027 ((assoc method servers)
3030 (list (intern method) "")))))
3032 ;;; User-level commands.
3035 (defun gnus-slave-no-server (&optional arg)
3036 "Read network news as a slave, without connecting to local server."
3038 (gnus-no-server arg t))
3041 (defun gnus-no-server (&optional arg slave)
3043 If ARG is a positive number, Gnus will use that as the
3044 startup level. If ARG is nil, Gnus will be started at level 2.
3045 If ARG is non-nil and not a positive number, Gnus will
3046 prompt the user for the name of an NNTP server to use.
3047 As opposed to `gnus', this command will not connect to the local server."
3049 (gnus-no-server-1 arg slave))
3052 (defun gnus-slave (&optional arg)
3053 "Read news as a slave."
3055 (gnus arg nil 'slave))
3057 (defcustom gnus-frame-properties nil
3058 "The properties of the frame in which gnus is displayed. Under XEmacs,
3059 the variable `toolbar-news-frame-plist' will be refered instead."
3060 :type '(repeat (cons :format "%v"
3061 (symbol :tag "Parameter")
3062 (sexp :tag "Value")))
3065 (defvar gnus-frame nil
3066 "The frame in which gnus is displayed. It is not used under XEmacs.")
3069 (defun gnus-other-frame (&optional arg)
3070 "Pop up a frame to read news."
3072 (static-if (featurep 'xemacs)
3073 (let ((toolbar-news-use-separate-frame t))
3075 (if (frame-live-p gnus-frame)
3076 (raise-frame gnus-frame)
3077 (setq gnus-frame (make-frame gnus-frame-properties))
3078 (if (and (gnus-buffer-live-p gnus-group-buffer)
3079 (save-current-buffer
3080 (set-buffer gnus-group-buffer)
3081 (eq 'gnus-group-mode major-mode)))
3083 (select-frame gnus-frame)
3084 (switch-to-buffer gnus-group-buffer))
3085 (add-hook 'gnus-exit-gnus-hook
3087 (when (and (frame-live-p gnus-frame)
3089 (delete-frame gnus-frame))
3090 (setq gnus-frame nil)))
3091 (select-frame gnus-frame)
3095 (defun gnus (&optional arg dont-connect slave)
3097 If ARG is non-nil and a positive number, Gnus will use that as the
3098 startup level. If ARG is non-nil and not a positive number, Gnus will
3099 prompt the user for the name of an NNTP server to use."
3101 (gnus-1 arg dont-connect slave))
3103 ;; Allow redefinition of Gnus functions.
3107 (product-provide (provide 'gnus) 'gnus-vers)
3109 ;;; gnus.el ends here