1 ;;; gnus.el --- a newsreader for GNU Emacs
2 ;; Copyright (C) 1987, 1988, 1989, 1990, 1993, 1994, 1995, 1996,
3 ;; 1997, 1998, 2000, 2001, 2002 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))
37 "The coffee-brewing, all singing, all dancing, kitchen sink newsreader."
41 (defgroup gnus-format nil
42 "Dealing with formatting issues."
46 (defgroup gnus-charset nil
47 "Group character set issues."
48 :link '(custom-manual "(gnus)Charsets")
52 (defgroup gnus-cache nil
56 (defgroup gnus-start nil
57 "Starting your favorite newsreader."
60 (defgroup gnus-start-server nil
61 "Server options at startup."
64 ;; These belong to gnus-group.el.
65 (defgroup gnus-group nil
67 :link '(custom-manual "(gnus)The Group Buffer")
70 (defgroup gnus-group-foreign nil
72 :link '(custom-manual "(gnus)Foreign Groups")
75 (defgroup gnus-group-new nil
76 "Automatic subscription of new groups."
79 (defgroup gnus-group-levels nil
81 :link '(custom-manual "(gnus)Group Levels")
84 (defgroup gnus-group-select nil
86 :link '(custom-manual "(gnus)Selecting a Group")
89 (defgroup gnus-group-listing nil
90 "Showing slices of the group list."
91 :link '(custom-manual "(gnus)Listing Groups")
94 (defgroup gnus-group-visual nil
95 "Sorting the group buffer."
96 :link '(custom-manual "(gnus)Group Buffer Format")
100 (defgroup gnus-group-various nil
101 "Various group options."
102 :link '(custom-manual "(gnus)Scanning New Messages")
105 ;; These belong to gnus-sum.el.
106 (defgroup gnus-summary nil
108 :link '(custom-manual "(gnus)The Summary Buffer")
111 (defgroup gnus-summary-exit nil
112 "Leaving summary buffers."
113 :link '(custom-manual "(gnus)Exiting the Summary Buffer")
114 :group 'gnus-summary)
116 (defgroup gnus-summary-marks nil
117 "Marks used in summary buffers."
118 :link '(custom-manual "(gnus)Marking Articles")
119 :group 'gnus-summary)
121 (defgroup gnus-thread nil
122 "Ordering articles according to replies."
123 :link '(custom-manual "(gnus)Threading")
124 :group 'gnus-summary)
126 (defgroup gnus-summary-format nil
127 "Formatting of the summary buffer."
128 :link '(custom-manual "(gnus)Summary Buffer Format")
129 :group 'gnus-summary)
131 (defgroup gnus-summary-choose nil
133 :link '(custom-manual "(gnus)Choosing Articles")
134 :group 'gnus-summary)
136 (defgroup gnus-summary-maneuvering nil
137 "Summary movement commands."
138 :link '(custom-manual "(gnus)Summary Maneuvering")
139 :group 'gnus-summary)
141 (defgroup gnus-summary-mail nil
142 "Mail group commands."
143 :link '(custom-manual "(gnus)Mail Group Commands")
144 :group 'gnus-summary)
146 (defgroup gnus-summary-sort nil
147 "Sorting the summary buffer."
148 :link '(custom-manual "(gnus)Sorting")
149 :group 'gnus-summary)
151 (defgroup gnus-summary-visual nil
152 "Highlighting and menus in the summary buffer."
153 :link '(custom-manual "(gnus)Summary Highlighting")
155 :group 'gnus-summary)
157 (defgroup gnus-summary-various nil
158 "Various summary buffer options."
159 :link '(custom-manual "(gnus)Various Summary Stuff")
160 :group 'gnus-summary)
162 (defgroup gnus-summary-pick nil
163 "Pick mode in the summary buffer."
164 :link '(custom-manual "(gnus)Pick and Read")
166 :group 'gnus-summary)
168 (defgroup gnus-summary-tree nil
169 "Tree display of threads in the summary buffer."
170 :link '(custom-manual "(gnus)Tree Display")
172 :group 'gnus-summary)
174 ;; Belongs to gnus-uu.el
175 (defgroup gnus-extract-view nil
176 "Viewing extracted files."
177 :link '(custom-manual "(gnus)Viewing Files")
178 :group 'gnus-extract)
180 ;; Belongs to gnus-score.el
181 (defgroup gnus-score nil
182 "Score and kill file handling."
185 (defgroup gnus-score-kill nil
189 (defgroup gnus-score-adapt nil
190 "Adaptive score files."
193 (defgroup gnus-score-default nil
194 "Default values for score files."
197 (defgroup gnus-score-expire nil
198 "Expiring score rules."
201 (defgroup gnus-score-decay nil
202 "Decaying score rules."
205 (defgroup gnus-score-files nil
206 "Score and kill file names."
210 (defgroup gnus-score-various nil
211 "Various scoring and killing options."
215 (defgroup gnus-visual nil
216 "Options controling the visual fluff."
220 (defgroup gnus-agent nil
221 "Offline support for Gnus."
224 (defgroup gnus-files nil
225 "Files used by Gnus."
228 (defgroup gnus-dribble-file nil
230 :link '(custom-manual "(gnus)Auto Save")
233 (defgroup gnus-newsrc nil
234 "Storing Gnus state."
237 (defgroup gnus-server nil
238 "Options related to newsservers and other servers used by Gnus."
241 (defgroup gnus-server-visual nil
242 "Highlighting and menus in the server buffer."
246 (defgroup gnus-message '((message custom-group))
247 "Composing replies and followups in Gnus."
250 (defgroup gnus-meta nil
251 "Meta variables controling major portions of Gnus.
252 In general, modifying these variables does not take affect until Gnus
253 is restarted, and sometimes reloaded."
256 (defgroup gnus-various nil
257 "Other Gnus options."
258 :link '(custom-manual "(gnus)Various Various")
261 (defgroup gnus-mime nil
262 "Variables for controlling the Gnus MIME interface."
265 (defgroup gnus-exit nil
267 :link '(custom-manual "(gnus)Exiting Gnus")
270 (defconst gnus-version-number "0.05"
271 "Version number for this version of Gnus.")
273 (defconst gnus-version (format "Oort Gnus v%s" gnus-version-number)
274 "Version string for this version of Gnus.")
276 (defcustom gnus-inhibit-startup-message nil
277 "If non-nil, the startup message will not be displayed.
278 This variable is used before `.gnus.el' is loaded, so it should
279 be set in `.emacs' instead."
283 (defcustom gnus-play-startup-jingle nil
284 "If non-nil, play the Gnus jingle at startup."
288 (unless (fboundp 'gnus-group-remove-excess-properties)
289 (defalias 'gnus-group-remove-excess-properties 'ignore))
291 (unless (fboundp 'gnus-set-text-properties)
292 (defalias 'gnus-set-text-properties 'set-text-properties))
294 (unless (featurep 'gnus-xmas)
295 (defalias 'gnus-make-overlay 'make-overlay)
296 (defalias 'gnus-delete-overlay 'delete-overlay)
297 (defalias 'gnus-overlay-put 'overlay-put)
298 (defalias 'gnus-move-overlay 'move-overlay)
299 (defalias 'gnus-overlay-buffer 'overlay-buffer)
300 (defalias 'gnus-overlay-start 'overlay-start)
301 (defalias 'gnus-overlay-end 'overlay-end)
302 (defalias 'gnus-extent-detached-p 'ignore)
303 (defalias 'gnus-extent-start-open 'ignore)
304 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
305 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
306 (defalias 'gnus-character-to-event 'identity)
307 (defalias 'gnus-add-text-properties 'add-text-properties)
308 (defalias 'gnus-put-text-property 'put-text-property)
309 (defvar gnus-mode-line-image-cache t)
310 (if (fboundp 'find-image)
311 (defun gnus-mode-line-buffer-identification (line)
312 (let ((str (car-safe line)))
313 (if (and (stringp str)
314 (string-match "^Gnus:" str))
315 (progn (add-text-properties
318 (if (eq t gnus-mode-line-image-cache)
319 (setq gnus-mode-line-image-cache
321 '((:type xpm :file "gnus-pointer.xpm"
323 (:type xbm :file "gnus-pointer.xbm"
325 gnus-mode-line-image-cache)
326 'help-echo "This is Gnus")
330 (defalias 'gnus-mode-line-buffer-identification 'identity))
331 (defalias 'gnus-characterp 'numberp)
332 (defalias 'gnus-deactivate-mark 'deactivate-mark)
333 (defalias 'gnus-window-edges 'window-edges)
334 (defalias 'gnus-key-press-event-p 'numberp)
335 ;;(defalias 'gnus-decode-rfc1522 'ignore)
338 ;; We define these group faces here to avoid the display
339 ;; update forced when creating new faces.
341 (defface gnus-group-news-1-face
344 (:foreground "PaleTurquoise" :bold t))
347 (:foreground "ForestGreen" :bold t))
350 "Level 1 newsgroup face.")
352 (defface gnus-group-news-1-empty-face
355 (:foreground "PaleTurquoise"))
358 (:foreground "ForestGreen"))
361 "Level 1 empty newsgroup face.")
363 (defface gnus-group-news-2-face
366 (:foreground "turquoise" :bold t))
369 (:foreground "CadetBlue4" :bold t))
372 "Level 2 newsgroup face.")
374 (defface gnus-group-news-2-empty-face
377 (:foreground "turquoise"))
380 (:foreground "CadetBlue4"))
383 "Level 2 empty newsgroup face.")
385 (defface gnus-group-news-3-face
394 "Level 3 newsgroup face.")
396 (defface gnus-group-news-3-empty-face
405 "Level 3 empty newsgroup face.")
407 (defface gnus-group-news-4-face
416 "Level 4 newsgroup face.")
418 (defface gnus-group-news-4-empty-face
427 "Level 4 empty newsgroup face.")
429 (defface gnus-group-news-5-face
438 "Level 5 newsgroup face.")
440 (defface gnus-group-news-5-empty-face
449 "Level 5 empty newsgroup face.")
451 (defface gnus-group-news-6-face
460 "Level 6 newsgroup face.")
462 (defface gnus-group-news-6-empty-face
471 "Level 6 empty newsgroup face.")
473 (defface gnus-group-news-low-face
476 (:foreground "DarkTurquoise" :bold t))
479 (:foreground "DarkGreen" :bold t))
482 "Low level newsgroup face.")
484 (defface gnus-group-news-low-empty-face
487 (:foreground "DarkTurquoise"))
490 (:foreground "DarkGreen"))
493 "Low level empty newsgroup face.")
495 (defface gnus-group-mail-1-face
498 (:foreground "aquamarine1" :bold t))
501 (:foreground "DeepPink3" :bold t))
504 "Level 1 mailgroup face.")
506 (defface gnus-group-mail-1-empty-face
509 (:foreground "aquamarine1"))
512 (:foreground "DeepPink3"))
514 (:italic t :bold t)))
515 "Level 1 empty mailgroup face.")
517 (defface gnus-group-mail-2-face
520 (:foreground "aquamarine2" :bold t))
523 (:foreground "HotPink3" :bold t))
526 "Level 2 mailgroup face.")
528 (defface gnus-group-mail-2-empty-face
531 (:foreground "aquamarine2"))
534 (:foreground "HotPink3"))
537 "Level 2 empty mailgroup face.")
539 (defface gnus-group-mail-3-face
542 (:foreground "aquamarine3" :bold t))
545 (:foreground "magenta4" :bold t))
548 "Level 3 mailgroup face.")
550 (defface gnus-group-mail-3-empty-face
553 (:foreground "aquamarine3"))
556 (:foreground "magenta4"))
559 "Level 3 empty mailgroup face.")
561 (defface gnus-group-mail-low-face
564 (:foreground "aquamarine4" :bold t))
567 (:foreground "DeepPink4" :bold t))
570 "Low level mailgroup face.")
572 (defface gnus-group-mail-low-empty-face
575 (:foreground "aquamarine4"))
578 (:foreground "DeepPink4"))
581 "Low level empty mailgroup face.")
583 ;; Summary mode faces.
585 (defface gnus-summary-selected-face '((t
587 "Face used for selected articles.")
589 (defface gnus-summary-cancelled-face
591 (:foreground "yellow" :background "black")))
592 "Face used for cancelled articles.")
594 (defface gnus-summary-high-ticked-face
597 (:foreground "pink" :bold t))
600 (:foreground "firebrick" :bold t))
603 "Face used for high interest ticked articles.")
605 (defface gnus-summary-low-ticked-face
608 (:foreground "pink" :italic t))
611 (:foreground "firebrick" :italic t))
614 "Face used for low interest ticked articles.")
616 (defface gnus-summary-normal-ticked-face
619 (:foreground "pink"))
622 (:foreground "firebrick"))
625 "Face used for normal interest ticked articles.")
627 (defface gnus-summary-high-ancient-face
630 (:foreground "SkyBlue" :bold t))
633 (:foreground "RoyalBlue" :bold t))
636 "Face used for high interest ancient articles.")
638 (defface gnus-summary-low-ancient-face
641 (:foreground "SkyBlue" :italic t))
644 (:foreground "RoyalBlue" :italic t))
647 "Face used for low interest ancient articles.")
649 (defface gnus-summary-normal-ancient-face
652 (:foreground "SkyBlue"))
655 (:foreground "RoyalBlue"))
658 "Face used for normal interest ancient articles.")
660 (defface gnus-summary-high-unread-face
663 "Face used for high interest unread articles.")
665 (defface gnus-summary-low-unread-face
668 "Face used for low interest unread articles.")
670 (defface gnus-summary-normal-unread-face
673 "Face used for normal interest unread articles.")
675 (defface gnus-summary-high-read-face
678 (:foreground "PaleGreen"
682 (:foreground "DarkGreen"
686 "Face used for high interest read articles.")
688 (defface gnus-summary-low-read-face
691 (:foreground "PaleGreen"
695 (:foreground "DarkGreen"
699 "Face used for low interest read articles.")
701 (defface gnus-summary-normal-read-face
704 (:foreground "PaleGreen"))
707 (:foreground "DarkGreen"))
710 "Face used for normal interest read articles.")
717 (defvar gnus-buffers nil)
719 (defun gnus-get-buffer-create (name)
720 "Do the same as `get-buffer-create', but store the created buffer."
721 (or (get-buffer name)
722 (car (push (get-buffer-create name) gnus-buffers))))
724 (defun gnus-add-buffer ()
725 "Add the current buffer to the list of Gnus buffers."
726 (push (current-buffer) gnus-buffers))
728 (defun gnus-buffers ()
729 "Return a list of live Gnus buffers."
730 (while (and gnus-buffers
731 (not (buffer-name (car gnus-buffers))))
733 (let ((buffers gnus-buffers))
735 (if (buffer-name (cadr buffers))
737 (setcdr buffers (cddr buffers)))))
742 (defvar gnus-group-buffer "*Group*")
745 (autoload 'gnus-play-jingle "gnus-audio"))
747 (defface gnus-splash-face
750 (:foreground "#888888"))
753 (:foreground "#888888"))
756 "Face for the splash screen.")
758 (defun gnus-splash ()
760 (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
761 (let ((buffer-read-only nil))
763 (unless gnus-inhibit-startup-message
764 (gnus-group-startup-message)
766 (when gnus-play-startup-jingle
767 (gnus-play-jingle))))))
769 (defun gnus-indent-rigidly (start end arg)
770 "Indent rigidly using only spaces and no tabs."
773 (narrow-to-region start end)
775 (indent-rigidly start end arg)
776 ;; We translate tabs into spaces -- not everybody uses
777 ;; an 8-character tab.
778 (goto-char (point-min))
779 (while (search-forward "\t" nil t)
780 (replace-match " " t t))))))
782 (defvar gnus-simple-splash nil)
784 ;;(format "%02x%02x%02x" 114 66 20) "724214"
786 (defvar gnus-logo-color-alist
787 '((flame "#cc3300" "#ff2200")
788 (pine "#c0cc93" "#f8ffb8")
789 (moss "#a1cc93" "#d2ffb8")
790 (irish "#04cc90" "#05ff97")
791 (sky "#049acc" "#05deff")
792 (tin "#6886cc" "#82b6ff")
793 (velvet "#7c68cc" "#8c82ff")
794 (grape "#b264cc" "#cf7df")
795 (labia "#cc64c2" "#fd7dff")
796 (berry "#cc6485" "#ff7db5")
797 (dino "#724214" "#1e3f03")
798 (oort "#cccccc" "#888888")
799 (neutral "#b4b4b4" "#878787")
800 (september "#bf9900" "#ffcc00"))
801 "Color alist used for the Gnus logo.")
803 (defcustom gnus-logo-color-style 'oort
804 "*Color styles used for the Gnus logo."
805 :type '(choice (const flame) (const pine) (const moss)
806 (const irish) (const sky) (const tin)
807 (const velvet) (const grape) (const labia)
808 (const berry) (const neutral) (const september)
812 (defvar gnus-logo-colors
813 (cdr (assq gnus-logo-color-style gnus-logo-color-alist))
814 "Colors used for the Gnus logo.")
816 (defun gnus-group-startup-message (&optional x y)
817 "Insert startup message in current buffer."
818 ;; Insert the message.
822 (fboundp 'find-image)
824 (let ((image (find-image
825 `((:type xpm :file "gnus.xpm"
827 (("thing" . ,(car gnus-logo-colors))
828 ("shadow" . ,(cadr gnus-logo-colors))
829 ("background" . ,(face-background 'default))))
830 (:type pbm :file "gnus.pbm"
831 ;; Account for the pbm's blackground.
832 :background ,(face-foreground 'gnus-splash-face)
833 :foreground ,(face-background 'default))
834 (:type xbm :file "gnus.xbm"
835 ;; Account for the xbm's blackground.
836 :background ,(face-foreground 'gnus-splash-face)
837 :foreground ,(face-background 'default))))))
839 (let ((size (image-size image)))
840 (insert-char ?\n (max 0 (round (- (window-height)
841 (or y (cdr size)) 1) 2)))
842 (insert-char ?\ (max 0 (round (- (window-width)
843 (or x (car size))) 2)))
844 (insert-image image))
845 (setq gnus-simple-splash nil)
851 _ ___ __ ___ __ _ ___
871 (gnus-indent-rigidly (point-min) (point-max)
872 (/ (max (- (window-width) (or x 46)) 0) 2))
873 (goto-char (point-min))
875 (let* ((pheight (count-lines (point-min) (point-max)))
876 (wheight (window-height))
877 (rest (- wheight pheight)))
878 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
880 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
881 (setq gnus-simple-splash t)))
882 (goto-char (point-min))
883 (setq mode-line-buffer-identification (concat " " gnus-version))
884 (set-buffer-modified-p t))
887 (let ((command (format "%s" this-command)))
888 (if (and (string-match "gnus" command)
889 (not (string-match "gnus-other-frame" command)))
891 (gnus-get-buffer-create gnus-group-buffer))))
898 (defcustom gnus-parameters nil
899 "Alist of group parameters.
902 ((\"mail\\\\..*\" (gnus-show-threads nil)
903 (gnus-use-scoring nil)
904 (gnus-summary-line-format
905 \"%U%R%z%I%(%[%d:%ub%-23,23f%]%) %s\\n\")
908 (\"mail\\\\.me\" (gnus-use-scoring t))
909 (\"list\\\\..*\" (total-expire . t)
910 (broken-reply-to . t)))"
911 :group 'gnus-group-various
912 :type '(repeat (cons regexp
915 (defvar gnus-group-parameters-more nil)
917 (defmacro gnus-define-group-parameter (param &rest rest)
918 "Define a group parameter PARAM.
919 REST is a plist of following:
920 :type One of `bool', `list' or `nil'.
921 :function The name of the function.
922 :function-document The documentation of the function.
923 :parameter-type The type for customizing the parameter.
924 :parameter-document The documentation for the parameter.
925 :variable The name of the variable.
926 :variable-document The documentation for the variable.
927 :variable-group The group for customizing the variable.
928 :variable-type The type for customizing the variable.
929 :variable-default The default value of the variable."
930 (let* ((type (plist-get rest :type))
931 (parameter-type (plist-get rest :parameter-type))
932 (parameter-document (plist-get rest :parameter-document))
933 (function (or (plist-get rest :function)
934 (intern (format "gnus-parameter-%s" param))))
935 (function-document (or (plist-get rest :function-document) ""))
936 (variable (or (plist-get rest :variable)
937 (intern (format "gnus-parameter-%s-alist" param))))
938 (variable-document (or (plist-get rest :variable-document) ""))
939 (variable-group (plist-get rest :variable-group))
940 (variable-type (or (plist-get rest :variable-type)
942 (list (regexp :tag "Group")
943 ,(car (cdr parameter-type)))))))
944 (variable-default (plist-get rest :variable-default)))
947 `(defcustom ,variable ,variable-default
949 :group 'gnus-group-parameter
950 :group ',variable-group
951 :type ,variable-type)
952 `(setq gnus-group-parameters-more
953 (delq (assq ',param gnus-group-parameters-more)
954 gnus-group-parameters-more))
955 `(add-to-list 'gnus-group-parameters-more
958 ,parameter-document))
960 `(defun ,function (name)
962 (let ((params (gnus-group-find-parameter name))
965 ((memq ',param params)
967 ((setq val (assq ',param params))
970 (string-match ,variable name))
972 (let ((alist ,variable)
974 (while (setq elem (pop alist))
976 (string-match (car elem) name))
979 (if (consp value) (car value) value))))))
980 `(defun ,function (name)
983 (or (gnus-group-find-parameter name ',param ,(and type t))
984 (let ((alist ,variable)
986 (while (setq elem (pop alist))
988 (string-match (car elem) name))
993 '(if (consp value) (car value) value))))))))))
995 (defcustom gnus-home-directory "~/"
996 "Directory variable that specifies the \"home\" directory.
997 All other Gnus path variables are initialized from this variable."
1001 (defcustom gnus-directory (or (getenv "SAVEDIR")
1002 (nnheader-concat gnus-home-directory "News/"))
1003 "*Directory variable from which all other Gnus file variables are derived.
1005 Note that Gnus is mostly loaded when the `.gnus.el' file is read.
1006 This means that other directory variables that are initialized from
1007 this variable won't be set properly if you set this variable in `.gnus.el'.
1008 Set this variable in `.emacs' instead."
1012 (defcustom gnus-default-directory nil
1013 "*Default directory for all Gnus buffers."
1015 :type '(choice (const :tag "current" nil)
1018 ;; Site dependent variables. These variables should be defined in
1021 (defvar gnus-default-nntp-server nil
1022 "Specify a default NNTP server.
1023 This variable should be defined in paths.el, and should never be set
1025 If you want to change servers, you should use `gnus-select-method'.
1026 See the documentation to that variable.")
1028 ;; Don't touch this variable.
1029 (defvar gnus-nntp-service "nntp"
1030 "NNTP service name (\"nntp\" or 119).
1031 This is an obsolete variable, which is scarcely used. If you use an
1032 nntp server for your newsgroup and want to change the port number
1033 used to 899, you would say something along these lines:
1035 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
1037 (defcustom gnus-nntpserver-file "/etc/nntpserver"
1038 "A file with only the name of the nntp server in it."
1043 ;; This function is used to check both the environment variable
1044 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
1045 ;; an nntp server name default.
1046 (defun gnus-getenv-nntpserver ()
1047 (or (getenv "NNTPSERVER")
1048 (and (file-readable-p gnus-nntpserver-file)
1050 (set-buffer (gnus-get-buffer-create " *gnus nntp*"))
1051 (insert-file-contents gnus-nntpserver-file)
1052 (let ((name (buffer-string)))
1054 (if (string-match "\\'[ \t\n]*$" name)
1057 (kill-buffer (current-buffer))))))))
1059 (defcustom gnus-select-method
1062 (list 'nntp (or (condition-case nil
1063 (gnus-getenv-nntpserver)
1065 (when (and gnus-default-nntp-server
1066 (not (string= gnus-default-nntp-server "")))
1067 gnus-default-nntp-server)
1069 (if (or (null gnus-nntp-service)
1070 (equal gnus-nntp-service "nntp"))
1072 (list gnus-nntp-service)))
1074 "Default method for selecting a newsgroup.
1075 This variable should be a list, where the first element is how the
1076 news is to be fetched, the second is the address.
1078 For instance, if you want to get your news via NNTP from
1079 \"flab.flab.edu\", you could say:
1081 \(setq gnus-select-method '(nntp \"flab.flab.edu\"))
1083 If you want to use your local spool, say:
1085 \(setq gnus-select-method (list 'nnspool (system-name)))
1087 If you use this variable, you must set `gnus-nntp-server' to nil.
1089 There is a lot more to know about select methods and virtual servers -
1090 see the manual for details."
1092 :type 'gnus-select-method)
1094 (defcustom gnus-message-archive-method "archive"
1095 "*Method used for archiving messages you've sent.
1096 This should be a mail method."
1098 :group 'gnus-message
1099 :type 'gnus-select-method)
1101 (defcustom gnus-message-archive-group nil
1102 "*Name of the group in which to save the messages you've written.
1103 This can either be a string; a list of strings; or an alist
1104 of regexps/functions/forms to be evaluated to return a string (or a list
1105 of strings). The functions are called with the name of the current
1106 group (or nil) as a parameter.
1108 If you want to save your mail in one group and the news articles you
1109 write in another group, you could say something like:
1111 \(setq gnus-message-archive-group
1112 '((if (message-news-p)
1116 Normally the group names returned by this variable should be
1117 unprefixed -- which implicitly means \"store on the archive server\".
1118 However, you may wish to store the message on some other server. In
1119 that case, just return a fully prefixed name of the group --
1120 \"nnml+private:mail.misc\", for instance."
1121 :group 'gnus-message
1122 :type '(choice (const :tag "none" nil)
1127 (defcustom gnus-secondary-servers nil
1128 "List of NNTP servers that the user can choose between interactively.
1129 To make Gnus query you for a server, you have to give `gnus' a
1130 non-numeric prefix - `C-u M-x gnus', in short."
1132 :type '(repeat string))
1134 (defcustom gnus-nntp-server nil
1135 "*The name of the host running the NNTP server.
1136 This variable is semi-obsolete. Use the `gnus-select-method'
1139 :type '(choice (const :tag "disable" nil)
1142 (defcustom gnus-secondary-select-methods nil
1143 "A list of secondary methods that will be used for reading news.
1144 This is a list where each element is a complete select method (see
1145 `gnus-select-method').
1147 If, for instance, you want to read your mail with the nnml backend,
1148 you could set this variable:
1150 \(setq gnus-secondary-select-methods '((nnml \"\")))"
1152 :type '(repeat gnus-select-method))
1154 (defvar gnus-backup-default-subscribed-newsgroups
1155 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
1156 "Default default new newsgroups the first time Gnus is run.
1157 Should be set in paths.el, and shouldn't be touched by the user.")
1159 (defcustom gnus-local-domain nil
1160 "Local domain name without a host name.
1161 The DOMAINNAME environment variable is used instead if it is defined.
1162 If the function `system-name' returns the full Internet name, there is
1163 no need to set this variable."
1164 :group 'gnus-message
1165 :type '(choice (const :tag "default" nil)
1168 (defvar gnus-local-organization nil
1169 "String with a description of what organization (if any) the user belongs to.
1170 Obsolete variable; use `message-user-organization' instead.")
1172 ;; Customization variables
1174 (defcustom gnus-refer-article-method nil
1175 "Preferred method for fetching an article by Message-ID.
1176 If you are reading news from the local spool (with nnspool), fetching
1177 articles by Message-ID is painfully slow. By setting this method to an
1178 nntp method, you might get acceptable results.
1180 The value of this variable must be a valid select method as discussed
1181 in the documentation of `gnus-select-method'.
1183 It can also be a list of select methods, as well as the special symbol
1184 `current', which means to use the current select method. If it is a
1185 list, Gnus will try all the methods in the list until it finds a match."
1187 :type '(choice (const :tag "default" nil)
1188 (const :tag "DejaNews" (nnweb "refer" (nnweb-type dejanews)))
1190 (repeat :menu-tag "Try multiple"
1192 :value (current (nnweb "refer" (nnweb-type dejanews)))
1193 (choice :tag "Method"
1195 (const :tag "DejaNews"
1196 (nnweb "refer" (nnweb-type dejanews)))
1197 gnus-select-method))))
1199 (defcustom gnus-group-faq-directory
1200 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
1201 "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/"
1202 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
1203 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
1204 "/ftp@ftp.pasteur.fr:/pub/FAQ/"
1205 "/ftp@rtfm.mit.edu:/pub/usenet/"
1206 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
1207 "/ftp@ftp.sunet.se:/pub/usenet/"
1208 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
1209 "/ftp@hwarang.postech.ac.kr:/pub/usenet/"
1210 "/ftp@ftp.hk.super.net:/mirror/faqs/")
1211 "*Directory where the group FAQs are stored.
1212 This will most commonly be on a remote machine, and the file will be
1213 fetched by ange-ftp.
1215 This variable can also be a list of directories. In that case, the
1216 first element in the list will be used by default. The others can
1217 be used when being prompted for a site.
1219 Note that Gnus uses an aol machine as the default directory. If this
1220 feels fundamentally unclean, just think of it as a way to finally get
1221 something of value back from them.
1223 If the default site is too slow, try one of these:
1225 North America: mirrors.aol.com /pub/rtfm/usenet
1226 ftp.seas.gwu.edu /pub/rtfm
1227 rtfm.mit.edu /pub/usenet
1228 Europe: ftp.uni-paderborn.de /pub/FAQ
1229 src.doc.ic.ac.uk /usenet/news-FAQS
1230 ftp.sunet.se /pub/usenet
1231 ftp.pasteur.fr /pub/FAQ
1232 Asia: nctuccca.edu.tw /USENET/FAQ
1233 hwarang.postech.ac.kr /pub/usenet
1234 ftp.hk.super.net /mirror/faqs"
1235 :group 'gnus-group-various
1236 :type '(choice directory
1237 (repeat directory)))
1239 (defcustom gnus-use-cross-reference t
1240 "*Non-nil means that cross referenced articles will be marked as read.
1241 If nil, ignore cross references. If t, mark articles as read in
1242 subscribed newsgroups. If neither t nor nil, mark as read in all
1245 :type '(choice (const :tag "off" nil)
1246 (const :tag "subscribed" t)
1250 (defcustom gnus-process-mark ?#
1252 :group 'gnus-group-visual
1253 :group 'gnus-summary-marks
1256 (defcustom gnus-large-newsgroup 200
1257 "*The number of articles which indicates a large newsgroup.
1258 If the number of articles in a newsgroup is greater than this value,
1259 confirmation is required for selecting the newsgroup.
1260 If it is `nil', no confirmation is required."
1261 :group 'gnus-group-select
1264 (defcustom gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
1265 "*Non-nil means that the default name of a file to save articles in is the group name.
1266 If it's nil, the directory form of the group name is used instead.
1268 If this variable is a list, and the list contains the element
1269 `not-score', long file names will not be used for score files; if it
1270 contains the element `not-save', long file names will not be used for
1271 saving; and if it contains the element `not-kill', long file names
1272 will not be used for kill files.
1274 Note that the default for this variable varies according to what system
1275 type you're using. On `usg-unix-v' and `xenix' this variable defaults
1276 to nil while on all other systems it defaults to t."
1280 (defcustom gnus-kill-files-directory gnus-directory
1281 "*Name of the directory where kill files will be stored (default \"~/News\")."
1282 :group 'gnus-score-files
1283 :group 'gnus-score-kill
1286 (defcustom gnus-save-score nil
1287 "*If non-nil, save group scoring info."
1288 :group 'gnus-score-various
1292 (defcustom gnus-use-undo t
1293 "*If non-nil, allow undoing in Gnus group mode buffers."
1297 (defcustom gnus-use-adaptive-scoring nil
1298 "*If non-nil, use some adaptive scoring scheme.
1299 If a list, then the values `word' and `line' are meaningful. The
1300 former will perform adaption on individual words in the subject
1301 header while `line' will perform adaption on several headers."
1303 :group 'gnus-score-adapt
1304 :type '(set (const word) (const line)))
1306 (defcustom gnus-use-cache 'passive
1307 "*If nil, Gnus will ignore the article cache.
1308 If `passive', it will allow entering (and reading) articles
1309 explicitly entered into the cache. If anything else, use the
1310 cache to the full extent of the law."
1313 :type '(choice (const :tag "off" nil)
1314 (const :tag "passive" passive)
1315 (const :tag "active" t)))
1317 (defcustom gnus-use-trees nil
1318 "*If non-nil, display a thread tree buffer."
1322 (defcustom gnus-use-grouplens nil
1323 "*If non-nil, use GroupLens ratings."
1327 (defcustom gnus-keep-backlog nil
1328 "*If non-nil, Gnus will keep read articles for later re-retrieval.
1329 If it is a number N, then Gnus will only keep the last N articles
1330 read. If it is neither nil nor a number, Gnus will keep all read
1331 articles. This is not a good idea."
1333 :type '(choice (const :tag "off" nil)
1338 (defcustom gnus-use-nocem nil
1339 "*If non-nil, Gnus will read NoCeM cancel messages."
1343 (defcustom gnus-suppress-duplicates nil
1344 "*If non-nil, Gnus will mark duplicate copies of the same article as read."
1348 (defcustom gnus-use-scoring t
1349 "*If non-nil, enable scoring."
1353 (defcustom gnus-summary-prepare-exit-hook
1354 '(gnus-summary-expire-articles)
1355 "*A hook called when preparing to exit from the summary buffer.
1356 It calls `gnus-summary-expire-articles' by default."
1357 :group 'gnus-summary-exit
1360 (defcustom gnus-novice-user t
1361 "*Non-nil means that you are a usenet novice.
1362 If non-nil, verbose messages may be displayed and confirmations may be
1367 (defcustom gnus-expert-user nil
1368 "*Non-nil means that you will never be asked for confirmation about anything.
1369 That doesn't mean *anything* anything; particularly destructive
1370 commands will still require prompting."
1374 (defcustom gnus-interactive-catchup t
1375 "*If non-nil, require your confirmation when catching up a group."
1376 :group 'gnus-group-select
1379 (defcustom gnus-interactive-exit t
1380 "*If non-nil, require your confirmation when exiting Gnus."
1384 (defcustom gnus-extract-address-components 'gnus-extract-address-components
1385 "*Function for extracting address components from a From header.
1386 Two pre-defined function exist: `gnus-extract-address-components',
1387 which is the default, quite fast, and too simplistic solution, and
1388 `mail-extract-address-components', which works much better, but is
1390 :group 'gnus-summary-format
1391 :type '(radio (function-item gnus-extract-address-components)
1392 (function-item mail-extract-address-components)
1393 (function :tag "Other")))
1395 (defcustom gnus-carpal nil
1396 "*If non-nil, display clickable icons."
1400 (defcustom gnus-shell-command-separator ";"
1401 "String used to separate to shell commands."
1405 (defcustom gnus-valid-select-methods
1406 '(("nntp" post address prompt-address physical-address)
1407 ("nnspool" post address)
1408 ("nnvirtual" post-mail virtual prompt-address)
1409 ("nnmbox" mail respool address)
1410 ("nnml" post-mail respool address)
1411 ("nnmh" mail respool address)
1412 ("nndir" post-mail prompt-address physical-address)
1413 ("nneething" none address prompt-address physical-address)
1414 ("nndoc" none address prompt-address)
1415 ("nnbabyl" mail address respool)
1416 ("nnkiboze" post virtual)
1417 ("nnsoup" post-mail address)
1418 ("nndraft" post-mail)
1419 ("nnfolder" mail respool address)
1420 ("nngateway" post-mail address prompt-address physical-address)
1428 ("nnagent" post-mail)
1429 ("nnimap" post-mail address prompt-address physical-address)
1430 ("nnmaildir" mail respool address))
1431 "*An alist of valid select methods.
1432 The first element of each list lists should be a string with the name
1433 of the select method. The other elements may be the category of
1434 this method (i. e., `post', `mail', `none' or whatever) or other
1435 properties that this method has (like being respoolable).
1436 If you implement a new select method, all you should have to change is
1437 this variable. I think."
1439 :type '(repeat (group (string :tag "Name")
1440 (radio-button-choice (const :format "%v " post)
1441 (const :format "%v " mail)
1442 (const :format "%v " none)
1444 (checklist :inline t
1445 (const :format "%v " address)
1446 (const :format "%v " prompt-address)
1447 (const :format "%v " physical-address)
1448 (const :format "%v " virtual)
1451 (defun gnus-redefine-select-method-widget ()
1452 "Recomputes the select-method widget based on the value of
1453 `gnus-valid-select-methods'."
1454 (define-widget 'gnus-select-method 'list
1455 "Widget for entering a select method."
1457 :tag "Select Method"
1458 :args `((choice :tag "Method"
1459 ,@(mapcar (lambda (entry)
1460 (list 'const :format "%v\n"
1461 (intern (car entry))))
1462 gnus-valid-select-methods)
1463 (symbol :tag "other"))
1464 (string :tag "Address")
1465 (repeat :tag "Options"
1469 (sexp :tag "Value"))))))
1471 (gnus-redefine-select-method-widget)
1473 (defcustom gnus-updated-mode-lines '(group article summary tree)
1474 "List of buffers that should update their mode lines.
1475 The list may contain the symbols `group', `article', `tree' and
1476 `summary'. If the corresponding symbol is present, Gnus will keep
1477 that mode line updated with information that may be pertinent.
1478 If this variable is nil, screen refresh may be quicker."
1479 :group 'gnus-various
1480 :type '(set (const group)
1485 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1486 (defcustom gnus-mode-non-string-length nil
1487 "*Max length of mode-line non-string contents.
1488 If this is nil, Gnus will take space as is needed, leaving the rest
1489 of the modeline intact. Note that the default of nil is unlikely
1490 to be desirable; see the manual for further details."
1491 :group 'gnus-various
1492 :type '(choice (const nil)
1495 ;; There should be special validation for this.
1496 (define-widget 'gnus-email-address 'string
1499 (gnus-define-group-parameter
1502 "Return GROUP's to-address."
1504 "*Alist of group regexps and correspondent to-addresses."
1505 :parameter-type '(gnus-email-address :tag "To Address")
1506 :parameter-document "\
1507 This will be used when doing followups and posts.
1509 This is primarily useful in mail groups that represent closed
1510 mailing lists--mailing lists where it's expected that everybody that
1511 writes to the mailing list is subscribed to it. Since using this
1512 parameter ensures that the mail only goes to the mailing list itself,
1513 it means that members won't receive two copies of your followups.
1515 Using `to-address' will actually work whether the group is foreign or
1516 not. Let's say there's a group on the server that is called
1517 `fa.4ad-l'. This is a real newsgroup, but the server has gotten the
1518 articles from a mail-to-news gateway. Posting directly to this group
1519 is therefore impossible--you have to send mail to the mailing list
1522 The gnus-group-split mail splitting mechanism will behave as if this
1523 address was listed in gnus-group-split Addresses (see below).")
1525 (gnus-define-group-parameter
1528 "Return GROUP's to-list."
1530 "*Alist of group regexps and correspondent to-lists."
1531 :parameter-type '(gnus-email-address :tag "To List")
1532 :parameter-document "\
1533 This address will be used when doing a `a' in the group.
1535 It is totally ignored when doing a followup--except that if it is
1536 present in a news group, you'll get mail group semantics when doing
1539 The gnus-group-split mail splitting mechanism will behave as if this
1540 address was listed in gnus-group-split Addresses (see below).")
1542 (gnus-define-group-parameter
1545 :function gnus-group-auto-expirable-p
1547 "Check whether GROUP is auto-expirable or not."
1548 :variable gnus-auto-expirable-newsgroups
1549 :variable-default nil
1551 "*Groups in which to automatically mark read articles as expirable.
1552 If non-nil, this should be a regexp that should match all groups in
1553 which to perform auto-expiry. This only makes sense for mail groups."
1554 :variable-group nnmail-expire
1555 :variable-type '(choice (const nil)
1557 :parameter-type '(const :tag "Automatic Expire" t)
1559 "All articles that are read will be marked as expirable.")
1561 (gnus-define-group-parameter
1564 :function gnus-group-total-expirable-p
1566 "Check whether GROUP is total-expirable or not."
1567 :variable gnus-total-expirable-newsgroups
1568 :variable-default nil
1570 "*Groups in which to perform expiry of all read articles.
1571 Use with extreme caution. All groups that match this regexp will be
1572 expiring - which means that all read articles will be deleted after
1573 \(say) one week. (This only goes for mail groups and the like, of
1575 :variable-group nnmail-expire
1576 :variable-type '(choice (const nil)
1578 :parameter-type '(const :tag "Total Expire" t)
1580 "All read articles will be put through the expiry process
1582 This happens even if they are not marked as expirable.
1585 (gnus-define-group-parameter
1588 "Return the default charset of GROUP."
1589 :variable gnus-group-charset-alist
1591 '(("\\(^\\|:\\)hk\\>\\|\\(^\\|:\\)tw\\>\\|\\<big5\\>" cn-big5)
1592 ("\\(^\\|:\\)cn\\>\\|\\<chinese\\>" cn-gb-2312)
1593 ("\\(^\\|:\\)fj\\>\\|\\(^\\|:\\)japan\\>" iso-2022-jp-2)
1594 ("\\(^\\|:\\)tnn\\>\\|\\(^\\|:\\)pin\\>\\|\\(^\\|:\\)sci.lang.japan" iso-2022-7bit)
1595 ("\\(^\\|:\\)relcom\\>" koi8-r)
1596 ("\\(^\\|:\\)fido7\\>" koi8-r)
1597 ("\\(^\\|:\\)\\(cz\\|hun\\|pl\\|sk\\|hr\\)\\>" iso-8859-2)
1598 ("\\(^\\|:\\)israel\\>" iso-8859-1)
1599 ("\\(^\\|:\\)han\\>" euc-kr)
1600 ("\\(^\\|:\\)alt.chinese.text.big5\\>" chinese-big5)
1601 ("\\(^\\|:\\)soc.culture.vietnamese\\>" vietnamese-viqr)
1602 ("\\(^\\|:\\)\\(comp\\|rec\\|alt\\|sci\\|soc\\|news\\|gnu\\|bofh\\)\\>" iso-8859-1)
1605 "Alist of regexps (to match group names) and default charsets to be used when reading."
1606 :variable-group gnus-charset
1607 :variable-type '(repeat (list (regexp :tag "Group")
1608 (symbol :tag "Charset")))
1609 :parameter-type '(symbol :tag "Charset")
1610 :parameter-document "\
1611 The default charset to use in the group.")
1613 (gnus-define-group-parameter
1617 "Return a posting method for GROUP."
1618 :variable gnus-post-method-alist
1620 "Alist of regexps (to match group names) and method to be used when
1621 posting an article."
1622 :variable-group gnus-group-foreign
1624 '(choice :tag "Posting Method"
1625 (const :tag "Use native server" native)
1626 (const :tag "Use current server" current)
1627 (list :convert-widget
1629 (list 'sexp :tag "Methods"
1630 :value gnus-select-method))))
1632 "Posting method for this group.")
1634 (defcustom gnus-group-uncollapsed-levels 1
1635 "Number of group name elements to leave alone when making a short group name."
1636 :group 'gnus-group-visual
1639 (defcustom gnus-group-use-permanent-levels nil
1640 "*If non-nil, once you set a level, Gnus will use this level."
1641 :group 'gnus-group-levels
1646 (defcustom gnus-load-hook nil
1647 "A hook run while Gnus is loaded."
1651 (defcustom gnus-apply-kill-hook '(gnus-apply-kill-file)
1652 "A hook called to apply kill files to a group.
1653 This hook is intended to apply a kill file to the selected newsgroup.
1654 The function `gnus-apply-kill-file' is called by default.
1656 Since a general kill file is too heavy to use only for a few
1657 newsgroups, I recommend you to use a lighter hook function. For
1658 example, if you'd like to apply a kill file to articles which contains
1659 a string `rmgroup' in subject in newsgroup `control', you can use the
1662 (setq gnus-apply-kill-hook
1665 (cond ((string-match \"control\" gnus-newsgroup-name)
1666 (gnus-kill \"Subject\" \"rmgroup\")
1667 (gnus-expunge \"X\"))))))"
1668 :group 'gnus-score-kill
1669 :options '(gnus-apply-kill-file)
1672 (defcustom gnus-group-change-level-function nil
1673 "Function run when a group level is changed.
1674 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL."
1675 :group 'gnus-group-levels
1680 (defcustom gnus-visual
1681 '(summary-highlight group-highlight article-highlight
1683 summary-menu group-menu article-menu
1684 tree-highlight menu highlight
1685 browse-menu server-menu
1686 page-marker tree-menu binary-menu pick-menu
1688 "*Enable visual features.
1689 If `visual' is disabled, there will be no menus and few faces. Most of
1690 the visual customization options below will be ignored. Gnus will use
1691 less space and be faster as a result.
1693 This variable can also be a list of visual elements to switch on. For
1694 instance, to switch off all visual things except menus, you can say:
1696 (setq gnus-visual '(menu))
1698 Valid elements include `summary-highlight', `group-highlight',
1699 `article-highlight', `mouse-face', `summary-menu', `group-menu',
1700 `article-menu', `tree-highlight', `menu', `highlight', `browse-menu',
1701 `server-menu', `page-marker', `tree-menu', `binary-menu', `pick-menu',
1702 and `grouplens-menu'."
1705 :type '(set (const summary-highlight)
1706 (const group-highlight)
1707 (const article-highlight)
1709 (const summary-menu)
1711 (const article-menu)
1712 (const tree-highlight)
1721 (const grouplens-menu)))
1723 ;; Byte-compiler warning.
1724 (defvar gnus-visual)
1725 ;; Find out whether the gnus-visual TYPE is wanted.
1726 (defun gnus-visual-p (&optional type class)
1727 (and gnus-visual ; Has to be non-nil, at least.
1728 (if (not type) ; We don't care about type.
1730 (if (listp gnus-visual) ; It's a list, so we check it.
1731 (or (memq type gnus-visual)
1732 (memq class gnus-visual))
1735 (defcustom gnus-mouse-face
1737 (if (gnus-visual-p 'mouse-face 'highlight)
1738 (if (boundp 'gnus-mouse-face)
1739 (or gnus-mouse-face 'highlight)
1743 "*Face used for group or summary buffer mouse highlighting.
1744 The line beneath the mouse pointer will be highlighted with this
1749 (defcustom gnus-article-save-directory gnus-directory
1750 "*Name of the directory articles will be saved in (default \"~/News\")."
1751 :group 'gnus-article-saving
1754 (defvar gnus-plugged t
1755 "Whether Gnus is plugged or not.")
1757 (defcustom gnus-default-charset 'iso-8859-1
1758 "Default charset assumed to be used when viewing non-ASCII characters.
1759 This variable is overridden on a group-to-group basis by the
1760 gnus-group-charset-alist variable and is only used on groups not
1761 covered by that variable."
1763 :group 'gnus-charset)
1766 ;;; Internal variables
1768 (defvar gnus-agent-gcc-header "X-Gnus-Agent-Gcc")
1769 (defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
1770 (defvar gnus-draft-meta-information-header "X-Draft-From")
1771 (defvar gnus-group-get-parameter-function 'gnus-group-get-parameter)
1772 (defvar gnus-original-article-buffer " *Original Article*")
1773 (defvar gnus-newsgroup-name nil)
1774 (defvar gnus-ephemeral-servers nil)
1776 (defvar gnus-agent nil
1777 "Whether we want to use the Gnus agent or not.")
1779 (defvar gnus-agent-fetching nil
1780 "Whether Gnus agent is in fetching mode.")
1782 (defvar gnus-command-method nil
1783 "Dynamically bound variable that says what the current backend is.")
1785 (defvar gnus-current-select-method nil
1786 "The current method for selecting a newsgroup.")
1788 (defvar gnus-tree-buffer "*Tree*"
1789 "Buffer where Gnus thread trees are displayed.")
1792 (defvar gnus-use-generic-from nil)
1794 ;; Variable holding the user answers to all method prompts.
1795 (defvar gnus-method-history nil)
1797 ;; Variable holding the user answers to all mail method prompts.
1798 (defvar gnus-mail-method-history nil)
1800 ;; Variable holding the user answers to all group prompts.
1801 (defvar gnus-group-history nil)
1803 (defvar gnus-server-alist nil
1804 "List of available servers.")
1806 (defcustom gnus-cache-directory
1807 (nnheader-concat gnus-directory "cache/")
1808 "*The directory where cached articles will be stored."
1812 (defvar gnus-predefined-server-alist
1815 (nnspool-spool-directory ,gnus-cache-directory)
1816 (nnspool-nov-directory ,gnus-cache-directory)
1817 (nnspool-active-file
1818 ,(nnheader-concat gnus-cache-directory "active"))))
1819 "List of predefined (convenience) servers.")
1821 (defvar gnus-topic-indentation "") ;; Obsolete variable.
1823 (defconst gnus-article-mark-lists
1824 '((marked . tick) (replied . reply)
1825 (expirable . expire) (killed . killed)
1826 (bookmarks . bookmark) (dormant . dormant)
1827 (scored . score) (saved . save)
1828 (cached . cache) (downloadable . download)
1829 (unsendable . unsend) (forwarded . forward)
1830 (recent . recent) (seen . seen)))
1832 (defconst gnus-article-special-mark-lists
1838 ;; Propagate flags to server, with the following exceptions:
1839 ;; `seen' is private to each gnus installation
1840 ;; `cache' is a internal gnus flag for each gnus installation
1841 ;; `download' is a agent flag private to each gnus installation
1842 ;; `unsend' are for nndraft groups only
1843 ;; `score' is not a proper mark
1844 (defconst gnus-article-unpropagated-mark-lists
1845 '(seen cache download unsend score)
1846 "Marks that shouldn't be propagated to backends.
1847 Typical marks are those that make no sense in a standalone backend,
1848 such as a mark that says whether an article is stored in the cache
1849 (which doesn't make sense in a standalone backend).")
1851 (defvar gnus-headers-retrieved-by nil)
1852 (defvar gnus-article-reply nil)
1853 (defvar gnus-override-method nil)
1854 (defvar gnus-article-check-size nil)
1855 (defvar gnus-opened-servers nil)
1857 (defvar gnus-current-kill-article nil)
1859 (defvar gnus-have-read-active-file nil)
1861 (defconst gnus-maintainer
1862 "bugs@gnus.org (The Gnus Bugfixing Girls + Boys)"
1863 "The mail address of the Gnus maintainers.")
1865 (defvar gnus-info-nodes
1866 '((gnus-group-mode "(gnus)Group Buffer")
1867 (gnus-summary-mode "(gnus)Summary Buffer")
1868 (gnus-article-mode "(gnus)Article Buffer")
1869 (gnus-server-mode "(gnus)Server Buffer")
1870 (gnus-browse-mode "(gnus)Browse Foreign Server")
1871 (gnus-tree-mode "(gnus)Tree Display"))
1872 "Alist of major modes and related Info nodes.")
1874 (defvar gnus-group-buffer "*Group*")
1875 (defvar gnus-summary-buffer "*Summary*")
1876 (defvar gnus-article-buffer "*Article*")
1877 (defvar gnus-server-buffer "*Server*")
1879 (defvar gnus-slave nil
1880 "Whether this Gnus is a slave or not.")
1882 (defvar gnus-batch-mode nil
1883 "Whether this Gnus is running in batch mode or not.")
1885 (defvar gnus-variable-list
1886 '(gnus-newsrc-options gnus-newsrc-options-n
1887 gnus-newsrc-last-checked-date
1888 gnus-newsrc-alist gnus-server-alist
1889 gnus-killed-list gnus-zombie-list
1890 gnus-topic-topology gnus-topic-alist
1892 "Gnus variables saved in the quick startup file.")
1894 (defvar gnus-newsrc-alist nil
1895 "Assoc list of read articles.
1896 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1898 (defvar gnus-newsrc-hashtb nil
1899 "Hashtable of gnus-newsrc-alist.")
1901 (defvar gnus-killed-list nil
1902 "List of killed newsgroups.")
1904 (defvar gnus-killed-hashtb nil
1905 "Hash table equivalent of gnus-killed-list.")
1907 (defvar gnus-zombie-list nil
1908 "List of almost dead newsgroups.")
1910 (defvar gnus-description-hashtb nil
1911 "Descriptions of newsgroups.")
1913 (defvar gnus-list-of-killed-groups nil
1914 "List of newsgroups that have recently been killed by the user.")
1916 (defvar gnus-active-hashtb nil
1917 "Hashtable of active articles.")
1919 (defvar gnus-moderated-hashtb nil
1920 "Hashtable of moderated newsgroups.")
1922 ;; Save window configuration.
1923 (defvar gnus-prev-winconf nil)
1925 (defvar gnus-reffed-article-number nil)
1927 ;;; Let the byte-compiler know that we know about this variable.
1928 (defvar rmail-default-rmail-file)
1930 (defvar gnus-dead-summary nil)
1932 (defvar gnus-invalid-group-regexp "[: `'\"/]\\|^$"
1933 "Regexp matching invalid groups.")
1935 ;;; End of variables.
1937 ;; Define some autoload functions Gnus might use.
1940 ;; This little mapcar goes through the list below and marks the
1941 ;; symbols in question as autoloaded functions.
1944 (let ((interactive (nth 1 (memq ':interactive package))))
1948 (when (consp function)
1949 (setq keymap (car (memq 'keymap function)))
1950 (setq function (car function)))
1951 (unless (fboundp function)
1952 (autoload function (car package) nil interactive keymap))))
1953 (if (eq (nth 1 package) ':interactive)
1956 '(("info" :interactive t Info-goto-node)
1958 ("qp" quoted-printable-decode-region quoted-printable-decode-string)
1959 ("ps-print" ps-print-preprint)
1960 ("message" :interactive t
1961 message-send-and-exit message-yank-original)
1962 ("babel" babel-as-string)
1963 ("nnmail" nnmail-split-fancy nnmail-article-group)
1964 ("nnvirtual" nnvirtual-catchup-group nnvirtual-convert-headers)
1965 ("rmailout" rmail-output rmail-output-to-rmail-file)
1966 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1967 rmail-show-message rmail-summary-exists
1968 rmail-select-summary rmail-update-summary)
1969 ("gnus-audio" :interactive t gnus-audio-play)
1970 ("gnus-xmas" gnus-xmas-splash)
1971 ("gnus-soup" :interactive t
1972 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1973 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1974 ("nnsoup" nnsoup-pack-replies)
1975 ("score-mode" :interactive t gnus-score-mode)
1976 ("gnus-mh" gnus-summary-save-article-folder
1977 gnus-Folder-save-name gnus-folder-save-name)
1978 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1979 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
1980 gnus-demon-add-rescan gnus-demon-add-scan-timestamps
1981 gnus-demon-add-disconnection gnus-demon-add-handler
1982 gnus-demon-remove-handler)
1983 ("gnus-demon" :interactive t
1984 gnus-demon-init gnus-demon-cancel)
1985 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
1986 gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
1987 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
1988 gnus-nocem-unwanted-article-p)
1989 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
1990 gnus-server-server-name)
1991 ("gnus-srvr" gnus-browse-foreign-server)
1992 ("gnus-cite" :interactive t
1993 gnus-article-highlight-citation gnus-article-hide-citation-maybe
1994 gnus-article-hide-citation gnus-article-fill-cited-article
1995 gnus-article-hide-citation-in-followups)
1996 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
1997 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
1998 gnus-execute gnus-expunge gnus-batch-kill gnus-batch-score)
1999 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
2000 gnus-cache-possibly-remove-articles gnus-cache-request-article
2001 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
2002 gnus-cache-enter-remove-article gnus-cached-article-p
2003 gnus-cache-open gnus-cache-close gnus-cache-update-article
2004 gnus-cache-articles-in-group)
2005 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
2006 gnus-cache-remove-article gnus-summary-insert-cached-articles)
2007 ("gnus-score" :interactive t
2008 gnus-summary-increase-score gnus-summary-set-score
2009 gnus-summary-raise-thread gnus-summary-raise-same-subject
2010 gnus-summary-raise-score gnus-summary-raise-same-subject-and-select
2011 gnus-summary-lower-thread gnus-summary-lower-same-subject
2012 gnus-summary-lower-score gnus-summary-lower-same-subject-and-select
2013 gnus-summary-current-score gnus-score-delta-default
2014 gnus-score-flush-cache gnus-score-close
2015 gnus-possibly-score-headers gnus-score-followup-article
2016 gnus-score-followup-thread)
2018 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
2019 gnus-current-score-file-nondirectory gnus-score-adaptive
2020 gnus-score-find-trace gnus-score-file-name)
2021 ("gnus-cus" :interactive t gnus-group-customize gnus-score-customize)
2022 ("gnus-topic" :interactive t gnus-topic-mode)
2023 ("gnus-topic" gnus-topic-remove-group gnus-topic-set-parameters
2024 gnus-subscribe-topics)
2025 ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode)
2026 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
2027 ("gnus-uu" :interactive t
2028 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
2029 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
2030 gnus-uu-mark-by-regexp gnus-uu-mark-all
2031 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
2032 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
2033 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
2034 gnus-uu-decode-binhex gnus-uu-decode-uu-view
2035 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
2036 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
2037 gnus-uu-decode-binhex-view gnus-uu-unmark-thread
2038 gnus-uu-mark-over gnus-uu-post-news)
2039 ("gnus-uu" gnus-uu-delete-work-dir gnus-uu-unmark-thread)
2040 ("gnus-msg" (gnus-summary-send-map keymap)
2041 gnus-article-mail gnus-copy-article-buffer gnus-extended-version)
2042 ("gnus-msg" :interactive t
2043 gnus-group-post-news gnus-group-mail gnus-group-news
2044 gnus-summary-post-news gnus-summary-news-other-window
2045 gnus-summary-followup gnus-summary-followup-with-original
2046 gnus-summary-cancel-article gnus-summary-supersede-article
2047 gnus-post-news gnus-summary-reply gnus-summary-reply-with-original
2048 gnus-summary-mail-forward gnus-summary-mail-other-window
2049 gnus-summary-resend-message gnus-summary-resend-bounced-mail
2050 gnus-summary-wide-reply gnus-summary-followup-to-mail
2051 gnus-summary-followup-to-mail-with-original gnus-bug
2052 gnus-summary-wide-reply-with-original
2053 gnus-summary-post-forward gnus-summary-wide-reply-with-original
2054 gnus-summary-post-forward)
2055 ("gnus-picon" :interactive t gnus-treat-from-picon)
2056 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
2057 gnus-grouplens-mode)
2058 ("smiley" :interactive t smiley-region)
2059 ("gnus-win" gnus-configure-windows gnus-add-configuration)
2060 ("gnus-sum" gnus-summary-insert-line gnus-summary-read-group
2061 gnus-list-of-unread-articles gnus-list-of-read-articles
2062 gnus-offer-save-summaries gnus-make-thread-indent-array
2063 gnus-summary-exit gnus-update-read-articles gnus-summary-last-subject
2064 gnus-summary-skip-intangible gnus-summary-article-number
2065 gnus-data-header gnus-data-find)
2066 ("gnus-group" gnus-group-insert-group-line gnus-group-quit
2067 gnus-group-list-groups gnus-group-first-unread-group
2068 gnus-group-set-mode-line gnus-group-set-info gnus-group-save-newsrc
2069 gnus-group-setup-buffer gnus-group-get-new-news
2070 gnus-group-make-help-group gnus-group-update-group
2071 gnus-group-iterate gnus-group-group-name)
2072 ("gnus-bcklg" gnus-backlog-request-article gnus-backlog-enter-article
2073 gnus-backlog-remove-article)
2074 ("gnus-art" gnus-article-read-summary-keys gnus-article-save
2075 gnus-article-prepare gnus-article-set-window-start
2076 gnus-article-next-page gnus-article-prev-page
2077 gnus-request-article-this-buffer gnus-article-mode
2078 gnus-article-setup-buffer gnus-narrow-to-page
2079 gnus-article-delete-invisible-text gnus-treat-article)
2080 ("gnus-art" :interactive t
2081 gnus-article-hide-headers gnus-article-hide-boring-headers
2082 gnus-article-treat-overstrike
2083 gnus-article-remove-cr gnus-article-remove-trailing-blank-lines
2084 gnus-article-display-x-face gnus-article-de-quoted-unreadable
2085 gnus-article-de-base64-unreadable
2086 gnus-article-decode-HZ
2087 gnus-article-wash-html
2088 gnus-article-hide-pgp
2089 gnus-article-hide-pem gnus-article-hide-signature
2090 gnus-article-strip-leading-blank-lines gnus-article-date-local
2091 gnus-article-date-original gnus-article-date-lapsed
2092 gnus-article-show-all-headers
2093 gnus-article-edit-mode gnus-article-edit-article
2094 gnus-article-edit-done gnus-article-decode-encoded-words
2095 gnus-start-date-timer gnus-stop-date-timer
2096 gnus-mime-view-all-parts)
2097 ("gnus-int" gnus-request-type)
2098 ("gnus-start" gnus-newsrc-parse-options gnus-1 gnus-no-server-1
2099 gnus-dribble-enter gnus-read-init-file gnus-dribble-touch)
2100 ("gnus-dup" gnus-dup-suppress-articles gnus-dup-unsuppress-article
2101 gnus-dup-enter-articles)
2102 ("gnus-range" gnus-copy-sequence)
2103 ("gnus-eform" gnus-edit-form)
2104 ("gnus-move" :interactive t
2105 gnus-group-move-group-to-server gnus-change-server)
2106 ("gnus-logic" gnus-score-advanced)
2107 ("gnus-undo" gnus-undo-mode gnus-undo-register)
2108 ("gnus-async" gnus-async-request-fetched-article gnus-async-prefetch-next
2109 gnus-async-prefetch-article gnus-async-prefetch-remove-group
2110 gnus-async-halt-prefetch)
2111 ("gnus-agent" gnus-open-agent gnus-agent-get-function
2112 gnus-agent-save-groups gnus-agent-save-active gnus-agent-method-p
2113 gnus-agent-get-undownloaded-list gnus-agent-fetch-session
2114 gnus-summary-set-agent-mark gnus-agent-save-group-info)
2115 ("gnus-agent" :interactive t
2116 gnus-unplugged gnus-agentize gnus-agent-batch)
2117 ("gnus-vm" :interactive t gnus-summary-save-in-vm
2118 gnus-summary-save-article-vm)
2119 ("gnus-draft" :interactive t gnus-draft-mode gnus-group-send-queue)
2120 ("gnus-mlspl" gnus-group-split gnus-group-split-fancy)
2121 ("gnus-mlspl" :interactive t gnus-group-split-setup
2122 gnus-group-split-update))))
2124 ;;; gnus-sum.el thingies
2127 (defcustom gnus-summary-line-format "%U%R%z%I%(%[%4L: %-23,23f%]%) %s\n"
2128 "*The format specification of the lines in the summary buffer.
2130 It works along the same lines as a normal formatting string,
2131 with some simple extensions.
2133 %N Article number, left padded with spaces (string)
2135 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
2136 %n Name of the poster (string)
2137 %a Extracted name of the poster (string)
2138 %A Extracted address of the poster (string)
2139 %F Contents of the From: header (string)
2140 %f Contents of the From: or To: headers (string)
2141 %x Contents of the Xref: header (string)
2142 %D Date of the article (string)
2143 %d Date of the article (string) in DD-MMM format
2144 %o Date of the article (string) in YYYYMMDD`T'HHMMSS format
2145 %M Message-id of the article (string)
2146 %r References of the article (string)
2147 %c Number of characters in the article (integer)
2148 %L Number of lines in the article (integer)
2149 %I Indentation based on thread level (a string of spaces)
2150 %B A complex trn-style thread tree (string)
2151 The variables `gnus-sum-thread-*' can be used for customization.
2152 %T A string with two possible values: 80 spaces if the article
2153 is on thread level two or larger and 0 spaces on level one
2154 %R \"A\" if this article has been replied to, \" \" otherwise (character)
2155 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
2156 %[ Opening bracket (character, \"[\" or \"<\")
2157 %] Closing bracket (character, \"]\" or \">\")
2158 %> Spaces of length thread-level (string)
2159 %< Spaces of length (- 20 thread-level) (string)
2160 %i Article score (number)
2161 %z Article zcore (character)
2162 %t Number of articles under the current thread (number).
2163 %e Whether the thread is empty or not (character).
2164 %l GroupLens score (string).
2165 %V Total thread score (number).
2166 %P The line number (number).
2167 %O Download mark (character).
2168 %u User defined specifier. The next character in the format string should
2169 be a letter. Gnus will call the function gnus-user-format-function-X,
2170 where X is the letter following %u. The function will be passed the
2171 current header as argument. The function should return a string, which
2172 will be inserted into the summary just like information from any other
2175 Text between %( and %) will be highlighted with `gnus-mouse-face'
2176 when the mouse point is placed inside the area. There can only be one
2179 The %U (status), %R (replied) and %z (zcore) specs have to be handled
2180 with care. For reasons of efficiency, Gnus will compute what column
2181 these characters will end up in, and \"hard-code\" that. This means that
2182 it is invalid to have these specs after a variable-length spec. Well,
2183 you might not be arrested, but your summary buffer will look strange,
2184 which is bad enough.
2186 The smart choice is to have these specs as far to the left as
2189 This restriction may disappear in later versions of Gnus."
2191 :group 'gnus-summary-format)
2194 ;;; Skeleton keymaps
2197 (defun gnus-suppress-keymap (keymap)
2198 (suppress-keymap keymap)
2199 (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
2201 (define-key keymap (pop keys) 'undefined))))
2203 (defvar gnus-article-mode-map
2204 (let ((keymap (make-sparse-keymap)))
2205 (gnus-suppress-keymap keymap)
2207 (defvar gnus-summary-mode-map
2208 (let ((keymap (make-keymap)))
2209 (gnus-suppress-keymap keymap)
2211 (defvar gnus-group-mode-map
2212 (let ((keymap (make-keymap)))
2213 (gnus-suppress-keymap keymap)
2218 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
2219 ;; If you want the cursor to go somewhere else, set these two
2220 ;; functions in some startup hook to whatever you want.
2221 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
2222 (defalias 'gnus-group-position-point 'gnus-goto-colon)
2224 ;;; Various macros and substs.
2226 (defun gnus-header-from (header)
2227 (mail-header-from header))
2229 (defmacro gnus-gethash (string hashtable)
2230 "Get hash value of STRING in HASHTABLE."
2231 `(symbol-value (intern-soft ,string ,hashtable)))
2233 (defmacro gnus-sethash (string value hashtable)
2234 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
2235 `(set (intern ,string ,hashtable) ,value))
2236 (put 'gnus-sethash 'edebug-form-spec '(form form form))
2238 (defmacro gnus-group-unread (group)
2239 "Get the currently computed number of unread articles in GROUP."
2240 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
2242 (defmacro gnus-group-entry (group)
2243 "Get the newsrc entry for GROUP."
2244 `(gnus-gethash ,group gnus-newsrc-hashtb))
2246 (defmacro gnus-active (group)
2247 "Get active info on GROUP."
2248 `(gnus-gethash ,group gnus-active-hashtb))
2250 (defmacro gnus-set-active (group active)
2251 "Set GROUP's active info."
2252 `(gnus-sethash ,group ,active gnus-active-hashtb))
2254 ;; Info access macros.
2256 (defmacro gnus-info-group (info)
2258 (defmacro gnus-info-rank (info)
2260 (defmacro gnus-info-read (info)
2262 (defmacro gnus-info-marks (info)
2264 (defmacro gnus-info-method (info)
2266 (defmacro gnus-info-params (info)
2269 (defmacro gnus-info-level (info)
2270 `(let ((rank (gnus-info-rank ,info)))
2274 (defmacro gnus-info-score (info)
2275 `(let ((rank (gnus-info-rank ,info)))
2276 (or (and (consp rank) (cdr rank)) 0)))
2278 (defmacro gnus-info-set-group (info group)
2279 `(setcar ,info ,group))
2280 (defmacro gnus-info-set-rank (info rank)
2281 `(setcar (nthcdr 1 ,info) ,rank))
2282 (defmacro gnus-info-set-read (info read)
2283 `(setcar (nthcdr 2 ,info) ,read))
2284 (defmacro gnus-info-set-marks (info marks &optional extend)
2286 `(gnus-info-set-entry ,info ,marks 3)
2287 `(setcar (nthcdr 3 ,info) ,marks)))
2288 (defmacro gnus-info-set-method (info method &optional extend)
2290 `(gnus-info-set-entry ,info ,method 4)
2291 `(setcar (nthcdr 4 ,info) ,method)))
2292 (defmacro gnus-info-set-params (info params &optional extend)
2294 `(gnus-info-set-entry ,info ,params 5)
2295 `(setcar (nthcdr 5 ,info) ,params)))
2297 (defun gnus-info-set-entry (info entry number)
2298 ;; Extend the info until we have enough elements.
2299 (while (<= (length info) number)
2300 (nconc info (list nil)))
2302 (setcar (nthcdr number info) entry))
2304 (defmacro gnus-info-set-level (info level)
2305 `(let ((rank (cdr ,info)))
2306 (if (consp (car rank))
2307 (setcar (car rank) ,level)
2308 (setcar rank ,level))))
2309 (defmacro gnus-info-set-score (info score)
2310 `(let ((rank (cdr ,info)))
2311 (if (consp (car rank))
2312 (setcdr (car rank) ,score)
2313 (setcar rank (cons (car rank) ,score)))))
2315 (defmacro gnus-get-info (group)
2316 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
2318 ;;; Load the compatability functions.
2327 (defvar gnus-shutdown-alist nil)
2329 (defun gnus-add-shutdown (function &rest symbols)
2330 "Run FUNCTION whenever one of SYMBOLS is shut down."
2331 (push (cons function symbols) gnus-shutdown-alist))
2333 (defun gnus-shutdown (symbol)
2334 "Shut down everything that waits for SYMBOL."
2335 (let ((alist gnus-shutdown-alist)
2337 (while (setq entry (pop alist))
2338 (when (memq symbol (cdr entry))
2339 (funcall (car entry))))))
2343 ;;; Gnus Utility Functions
2346 (defun gnus-find-subscribed-addresses ()
2347 "Return a regexp matching the addresses of all subscribed mail groups.
2348 It consists of the `to-address' or `to-list' parameter of all groups
2349 with a `subscribed' parameter."
2350 (let (group address addresses)
2351 (dolist (entry (cdr gnus-newsrc-alist))
2352 (setq group (car entry))
2353 (when (gnus-group-find-parameter group 'subscribed)
2354 (setq address (or (gnus-group-fast-parameter group 'to-address)
2355 (gnus-group-fast-parameter group 'to-list)))
2357 (push address addresses))))
2358 (list (mapconcat 'regexp-quote addresses "\\|"))))
2360 (defmacro gnus-string-or (&rest strings)
2361 "Return the first element of STRINGS that is a non-blank string.
2362 STRINGS will be evaluated in normal `or' order."
2363 `(gnus-string-or-1 ',strings))
2365 (defun gnus-string-or-1 (strings)
2368 (setq string (eval (pop strings)))
2369 (if (string-match "^[ \t]*$" string)
2371 (setq strings nil)))
2374 (defun gnus-version (&optional arg)
2375 "Version number of this version of Gnus.
2376 If ARG, insert string at point."
2379 (insert (message gnus-version))
2380 (message gnus-version)))
2382 (defun gnus-continuum-version (&optional version)
2383 "Return VERSION as a floating point number."
2386 (setq version gnus-version))
2387 (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version)
2388 (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version))
2389 (let ((alpha (and (match-beginning 1) (match-string 1 version)))
2390 (number (match-string 2 version))
2392 (unless (string-match
2393 "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number)
2394 (error "Invalid version string: %s" version))
2395 (setq major (string-to-number (match-string 1 number))
2396 minor (string-to-number (match-string 2 number))
2397 least (if (match-beginning 3)
2398 (string-to-number (match-string 3 number))
2402 (format "%s00%02d%02d"
2403 (if (member alpha '("(ding)" "d"))
2407 (- (mm-char-int (aref (downcase alpha) 0))
2411 (format "%d.%02d%02d" major minor least))))))
2413 (defun gnus-info-find-node (&optional nodename)
2414 "Find Info documentation of Gnus."
2416 ;; Enlarge info window if needed.
2417 (let (gnus-info-buffer)
2418 (Info-goto-node (or nodename (cadr (assq major-mode gnus-info-nodes))))
2419 (setq gnus-info-buffer (current-buffer))
2420 (gnus-configure-windows 'info)))
2423 ;;; gnus-interactive
2426 (defvar gnus-current-prefix-symbol nil
2427 "Current prefix symbol.")
2429 (defvar gnus-current-prefix-symbols nil
2430 "List of current prefix symbols.")
2432 (defun gnus-interactive (string &optional params)
2433 "Return a list that can be fed to `interactive'.
2434 See `interactive' for full documentation.
2436 Adds the following specs:
2438 y -- The current symbolic prefix.
2439 Y -- A list of the current symbolic prefix(es).
2440 A -- Article number.
2441 H -- Article header.
2445 (while (< i (length string))
2446 (string-match ".\\([^\n]*\\)\n?" string i)
2447 (setq c (aref string i))
2449 (setq prompt (match-string 1 string)))
2450 (setq i (match-end 0))
2451 ;; We basically emulate just about everything that
2452 ;; `interactive' does, but add the specs listed above.
2456 (completing-read prompt obarray 'fboundp t))
2458 (read-buffer prompt (current-buffer) t))
2460 (read-buffer prompt (other-buffer (current-buffer))))
2464 (completing-read prompt obarray 'commandp t))
2468 (read-file-name prompt nil default-directory 'lambda))
2470 (read-file-name prompt nil nil 'lambda))
2472 (read-file-name prompt))
2474 (read-key-sequence prompt))
2476 (error "Not implemented spec"))
2478 (error "Not implemented spec"))
2482 (error "Not implemented spec"))
2484 (string-to-number (read-from-minibuffer prompt)))
2486 (prefix-numeric-value current-prefix-arg))
2492 (read-string prompt))
2494 (intern (read-string prompt)))
2496 (read-variable prompt))
2498 (read-minibuffer prompt))
2500 (eval-minibuffer prompt))
2501 ;; And here the new specs come.
2503 gnus-current-prefix-symbol)
2505 gnus-current-prefix-symbols)
2507 (gnus-group-group-name))
2509 (gnus-summary-skip-intangible)
2510 (or (get-text-property (point) 'gnus-number)
2511 (gnus-summary-last-subject)))
2513 (gnus-data-header (gnus-data-find (gnus-summary-article-number))))
2515 (error "Non-implemented spec")))
2519 (push (if (< (point) (mark)) (point) (mark)) out)
2520 (push (if (> (point) (mark)) (point) (mark)) out))))
2521 (setq out (delq 'gnus-prefix-nil out))
2524 (defun gnus-symbolic-argument (&optional arg)
2525 "Read a symbolic argument and a command, and then execute command."
2527 (let* ((in-command (this-command-keys))
2528 (command in-command)
2529 gnus-current-prefix-symbols
2530 gnus-current-prefix-symbol
2532 (while (equal in-command command)
2533 (message "%s-" (key-description (this-command-keys)))
2534 (push (intern (char-to-string (read-char))) syms)
2535 (setq command (read-key-sequence nil t)))
2536 (setq gnus-current-prefix-symbols (nreverse syms)
2537 gnus-current-prefix-symbol (car gnus-current-prefix-symbols))
2538 (call-interactively (key-binding command t))))
2540 ;;; More various functions.
2542 (defsubst gnus-check-backend-function (func group)
2543 "Check whether GROUP supports function FUNC.
2544 GROUP can either be a string (a group name) or a select method."
2546 (let ((method (if (stringp group)
2547 (car (gnus-find-method-for-group group))
2549 (unless (featurep method)
2551 (fboundp (intern (format "%s-%s" method func))))))
2553 (defun gnus-group-read-only-p (&optional group)
2554 "Check whether GROUP supports editing or not.
2555 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
2556 that that variable is buffer-local to the summary buffers."
2557 (let ((group (or group gnus-newsgroup-name)))
2558 (not (gnus-check-backend-function 'request-replace-article group))))
2560 (defun gnus-virtual-group-p (group)
2561 "Say whether GROUP is virtual or not."
2562 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
2563 gnus-valid-select-methods)))
2565 (defun gnus-news-group-p (group &optional article)
2566 "Return non-nil if GROUP (and ARTICLE) come from a news server."
2567 (cond ((gnus-member-of-valid 'post group) ;Ordinary news group
2568 t) ;is news of course.
2569 ((not (gnus-member-of-valid 'post-mail group)) ;Non-combined.
2570 nil) ;must be mail then.
2571 ((vectorp article) ;Has header info.
2572 (eq (gnus-request-type group (mail-header-id article)) 'news))
2573 ((null article) ;Hasn't header info
2574 (eq (gnus-request-type group) 'news)) ;(unknown ==> mail)
2575 ((< article 0) ;Virtual message
2576 nil) ;we don't know, guess mail.
2577 (t ;Has positive number
2578 (eq (gnus-request-type group article) 'news)))) ;use it.
2580 ;; Returns a list of writable groups.
2581 (defun gnus-writable-groups ()
2582 (let ((alist gnus-newsrc-alist)
2584 (while (setq group (car (pop alist)))
2585 (unless (gnus-group-read-only-p group)
2586 (push group groups)))
2589 ;; Check whether to use long file names.
2590 (defun gnus-use-long-file-name (symbol)
2591 ;; The variable has to be set...
2592 (and gnus-use-long-file-name
2593 ;; If it isn't a list, then we return t.
2594 (or (not (listp gnus-use-long-file-name))
2595 ;; If it is a list, and the list contains `symbol', we
2597 (not (memq symbol gnus-use-long-file-name)))))
2599 ;; Generate a unique new group name.
2600 (defun gnus-generate-new-group-name (leaf)
2603 (while (gnus-gethash name gnus-newsrc-hashtb)
2604 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
2607 (defun gnus-ephemeral-group-p (group)
2608 "Say whether GROUP is ephemeral or not."
2609 (gnus-group-get-parameter group 'quit-config t))
2611 (defun gnus-group-quit-config (group)
2612 "Return the quit-config of GROUP."
2613 (gnus-group-get-parameter group 'quit-config t))
2615 (defun gnus-kill-ephemeral-group (group)
2616 "Remove ephemeral GROUP from relevant structures."
2617 (gnus-sethash group nil gnus-newsrc-hashtb))
2619 (defun gnus-simplify-mode-line ()
2620 "Make mode lines a bit simpler."
2621 (setq mode-line-modified (cdr gnus-mode-line-modified))
2622 (when (listp mode-line-format)
2623 (make-local-variable 'mode-line-format)
2624 (setq mode-line-format (copy-sequence mode-line-format))
2625 (when (equal (nth 3 mode-line-format) " ")
2626 (setcar (nthcdr 3 mode-line-format) " "))))
2628 ;;; Servers and groups.
2630 (defsubst gnus-server-add-address (method)
2631 (let ((method-name (symbol-name (car method))))
2632 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
2633 (not (assq (intern (concat method-name "-address")) method))
2634 (memq 'physical-address (assq (car method)
2635 gnus-valid-select-methods)))
2636 (append method (list (list (intern (concat method-name "-address"))
2640 (defsubst gnus-server-get-method (group method)
2641 ;; Input either a server name, and extended server name, or a
2642 ;; select method, and return a select method.
2643 (cond ((stringp method)
2644 (gnus-server-to-method method))
2645 ((equal method gnus-select-method)
2647 ((and (stringp (car method))
2649 (gnus-server-extend-method group method))
2652 (equal (cadr method) ""))
2655 (gnus-server-add-address method))))
2657 (defun gnus-server-to-method (server)
2658 "Map virtual server names to select methods."
2660 ;; Is this a method, perhaps?
2661 (and server (listp server) server)
2662 ;; Perhaps this is the native server?
2663 (and (equal server "native") gnus-select-method)
2664 ;; It should be in the server alist.
2665 (cdr (assoc server gnus-server-alist))
2666 ;; It could be in the predefined server alist.
2667 (cdr (assoc server gnus-predefined-server-alist))
2668 ;; If not, we look through all the opened server
2669 ;; to see whether we can find it there.
2670 (let ((opened gnus-opened-servers))
2672 (not (equal server (format "%s:%s" (caaar opened)
2676 ;; It could be a named method, search all servers
2677 (let ((servers gnus-secondary-select-methods))
2679 (not (equal server (format "%s:%s" (caar servers)
2684 (defmacro gnus-method-equal (ss1 ss2)
2685 "Say whether two servers are equal."
2689 (and (= (length s1) (length s2))
2691 (while (and s1 (member (car s1) s2))
2695 (defun gnus-methods-equal-p (m1 m2)
2696 (let ((m1 (or m1 gnus-select-method))
2697 (m2 (or m2 gnus-select-method)))
2699 (and (eq (car m1) (car m2))
2700 (or (not (memq 'address (assoc (symbol-name (car m1))
2701 gnus-valid-select-methods)))
2702 (equal (nth 1 m1) (nth 1 m2)))))))
2704 (defun gnus-server-equal (m1 m2)
2705 "Say whether two methods are equal."
2706 (let ((m1 (cond ((null m1) gnus-select-method)
2707 ((stringp m1) (gnus-server-to-method m1))
2709 (m2 (cond ((null m2) gnus-select-method)
2710 ((stringp m2) (gnus-server-to-method m2))
2712 (gnus-method-equal m1 m2)))
2714 (defun gnus-servers-using-backend (backend)
2715 "Return a list of known servers using BACKEND."
2716 (let ((opened gnus-opened-servers)
2719 (when (eq backend (caaar opened))
2720 (push (caar opened) out))
2724 (defun gnus-archive-server-wanted-p ()
2725 "Say whether the user wants to use the archive server."
2727 ((or (not gnus-message-archive-method)
2728 (not gnus-message-archive-group))
2730 ((and gnus-message-archive-method gnus-message-archive-group)
2733 (let ((active (cadr (assq 'nnfolder-active-file
2734 gnus-message-archive-method))))
2736 (file-exists-p active))))))
2738 (defsubst gnus-method-to-server-name (method)
2740 (format "%s" (car method))
2742 (or (assoc (format "%s" (car method))
2743 (gnus-methods-using 'address))
2744 (gnus-server-equal method gnus-message-archive-method))
2746 (not (string= (nth 1 method) "")))
2747 (concat "+" (nth 1 method)))))
2749 (defsubst gnus-method-to-full-server-name (method)
2750 (format "%s+%s" (car method) (nth 1 method)))
2752 (defun gnus-group-prefixed-name (group method)
2753 "Return the whole name from GROUP and METHOD."
2754 (and (stringp method) (setq method (gnus-server-to-method method)))
2755 (if (or (not method)
2756 (gnus-server-equal method "native")
2757 (string-match ":" group))
2759 (concat (gnus-method-to-server-name method) ":" group)))
2761 (defun gnus-group-real-prefix (group)
2762 "Return the prefix of the current group name."
2763 (if (string-match "^[^:]+:" group)
2764 (substring group 0 (match-end 0))
2767 (defun gnus-group-method (group)
2768 "Return the server or method used for selecting GROUP.
2769 You should probably use `gnus-find-method-for-group' instead."
2770 (let ((prefix (gnus-group-real-prefix group)))
2771 (if (equal prefix "")
2773 (let ((servers gnus-opened-servers)
2775 backend possible found)
2776 (if (string-match "^[^\\+]+\\+" prefix)
2777 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
2778 server (substring prefix (match-end 0) (1- (length prefix))))
2779 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
2781 (when (eq (caaar servers) backend)
2782 (setq possible (caar servers))
2783 (when (equal (cadaar servers) server)
2784 (setq found (caar servers))))
2786 (or (car (rassoc found gnus-server-alist))
2788 (car (rassoc possible gnus-server-alist))
2790 (list backend server))))))
2792 (defsubst gnus-native-method-p (method)
2793 "Return whether METHOD is the native select method."
2794 (gnus-method-equal method gnus-select-method))
2796 (defsubst gnus-secondary-method-p (method)
2797 "Return whether METHOD is a secondary select method."
2798 (let ((methods gnus-secondary-select-methods)
2799 (gmethod (gnus-server-get-method nil method)))
2801 (not (gnus-method-equal
2802 (gnus-server-get-method nil (car methods))
2804 (setq methods (cdr methods)))
2807 (defun gnus-method-simplify (method)
2808 "Return the shortest uniquely identifying string or method for METHOD."
2809 (cond ((stringp method)
2811 ((gnus-native-method-p method)
2813 ((gnus-secondary-method-p method)
2814 (format "%s:%s" (nth 0 method) (nth 1 method)))
2818 (defun gnus-groups-from-server (server)
2819 "Return a list of all groups that are fetched from SERVER."
2820 (let ((alist (cdr gnus-newsrc-alist))
2822 (while (setq info (pop alist))
2823 (when (gnus-server-equal (gnus-info-method info) server)
2824 (push (gnus-info-group info) groups)))
2825 (sort groups 'string<)))
2827 (defun gnus-group-foreign-p (group)
2828 "Say whether a group is foreign or not."
2829 (and (not (gnus-group-native-p group))
2830 (not (gnus-group-secondary-p group))))
2832 (defun gnus-group-native-p (group)
2833 "Say whether the group is native or not."
2834 (not (string-match ":" group)))
2836 (defun gnus-group-secondary-p (group)
2837 "Say whether the group is secondary or not."
2838 (gnus-secondary-method-p (gnus-find-method-for-group group)))
2840 (defun gnus-parameters-get-parameter (group)
2841 "Return the group parameters for GROUP from `gnus-parameters'."
2843 (dolist (elem gnus-parameters)
2844 (when (string-match (car elem) group)
2846 (nconc (gnus-expand-group-parameters
2847 (car elem) (cdr elem) group)
2851 (defun gnus-expand-group-parameter (match value group)
2852 "Use MATCH to expand VALUE in GROUP."
2855 (goto-char (point-min))
2856 (while (re-search-forward match nil t)
2857 (replace-match value))
2860 (defun gnus-expand-group-parameters (match parameters group)
2861 "Go through PARAMETERS and expand them according to the match data."
2863 (dolist (elem parameters)
2864 (if (and (stringp (cdr elem))
2865 (string-match "\\\\" (cdr elem)))
2866 (push (cons (car elem)
2867 (gnus-expand-group-parameter match (cdr elem) group))
2872 (defun gnus-group-fast-parameter (group symbol &optional allow-list)
2873 "For GROUP, return the value of SYMBOL.
2875 You should call this in the `gnus-group-buffer' buffer.
2876 The function `gnus-group-find-parameter' will do that for you."
2877 ;; The speed trick: No cons'ing and quit early.
2878 (or (let ((params (funcall gnus-group-get-parameter-function group)))
2879 ;; Start easy, check the "real" group parameters.
2880 (gnus-group-parameter-value params symbol allow-list))
2881 ;; We didn't found it there, try `gnus-parameters'.
2884 (tail gnus-parameters))
2885 ;; A good old-fashioned non-cl loop.
2887 (setq head (car tail)
2889 ;; The car is regexp matching for matching the group name.
2890 (when (string-match (car head) group)
2891 ;; The cdr is the parameters.
2892 (setq result (gnus-group-parameter-value (cdr head)
2895 ;; Expand if necessary.
2896 (if (and (stringp result) (string-match "\\\\" result))
2897 (setq result (gnus-expand-group-parameter (car head)
2899 ;; Exit the loop early.
2904 (defun gnus-group-find-parameter (group &optional symbol allow-list)
2905 "Return the group parameters for GROUP.
2906 If SYMBOL, return the value of that symbol in the group parameters.
2908 If you call this function inside a loop, consider using the faster
2909 `gnus-group-fast-parameter' instead."
2911 (set-buffer gnus-group-buffer)
2913 (gnus-group-fast-parameter group symbol allow-list)
2917 (funcall gnus-group-get-parameter-function group))
2918 (gnus-parameters-get-parameter group))))
2921 (defun gnus-group-get-parameter (group &optional symbol allow-list)
2922 "Return the group parameters for GROUP.
2923 If SYMBOL, return the value of that symbol in the group parameters.
2924 Most functions should use `gnus-group-find-parameter', which
2925 also examines the topic parameters."
2926 (let ((params (gnus-info-params (gnus-get-info group))))
2928 (gnus-group-parameter-value params symbol allow-list)
2931 (defun gnus-group-parameter-value (params symbol &optional allow-list)
2932 "Return the value of SYMBOL in group PARAMS."
2933 ;; We only wish to return group parameters (dotted lists) and
2934 ;; not local variables, which may have the same names.
2935 ;; But first we handle single elements...
2936 (or (car (memq symbol params))
2940 (while (setq elem (pop params))
2941 (when (and (consp elem)
2942 (eq (car elem) symbol)
2945 (throw 'found (cdr elem))))))))
2947 (defun gnus-group-add-parameter (group param)
2948 "Add parameter PARAM to GROUP."
2949 (let ((info (gnus-get-info group)))
2951 (gnus-group-remove-parameter group (if (consp param) (car param) param))
2952 ;; Cons the new param to the old one and update.
2953 (gnus-group-set-info (cons param (gnus-info-params info))
2956 (defun gnus-group-set-parameter (group name value)
2957 "Set parameter NAME to VALUE in GROUP."
2958 (let ((info (gnus-get-info group)))
2960 (gnus-group-remove-parameter group name)
2961 (let ((old-params (gnus-info-params info))
2962 (new-params (list (cons name value))))
2964 (when (or (not (listp (car old-params)))
2965 (not (eq (caar old-params) name)))
2966 (setq new-params (append new-params (list (car old-params)))))
2967 (setq old-params (cdr old-params)))
2968 (gnus-group-set-info new-params group 'params)))))
2970 (defun gnus-group-remove-parameter (group name)
2971 "Remove parameter NAME from GROUP."
2972 (let ((info (gnus-get-info group)))
2974 (let ((params (gnus-info-params info)))
2976 (setq params (delq name params))
2977 (while (assq name params)
2978 (gnus-pull name params))
2979 (gnus-info-set-params info params))))))
2981 (defun gnus-group-add-score (group &optional score)
2982 "Add SCORE to the GROUP score.
2983 If SCORE is nil, add 1 to the score of GROUP."
2984 (let ((info (gnus-get-info group)))
2986 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
2988 (defun gnus-short-group-name (group &optional levels)
2989 "Collapse GROUP name LEVELS.
2990 Select methods are stripped and any remote host name is stripped down to
2991 just the host name."
2997 gnus-group-uncollapsed-levels
2999 (while (string-match "\\." group skip)
3000 (setq skip (match-end 0)
3003 ;; Separate foreign select method from group name and collapse.
3004 ;; If method contains a server, collapse to non-domain server name,
3005 ;; otherwise collapse to select method.
3006 (let* ((colon (string-match ":" group))
3007 (server (and colon (substring group 0 colon)))
3008 (plus (and server (string-match "+" server))))
3011 (setq foreign (substring server (+ 1 plus)
3012 (string-match "\\." server))
3013 group (substring group (+ 1 colon)))
3014 (setq foreign server
3015 group (substring group (+ 1 colon))))
3016 (setq foreign (concat foreign ":")))
3017 ;; Collapse group name leaving LEVELS uncollapsed elements
3018 (let* ((slist (split-string group "/"))
3019 (slen (length slist))
3020 (dlist (split-string group "\\."))
3021 (dlen (length dlist))
3033 (setq levels (- glen levels))
3035 (push (if (>= (decf levels) 0)
3036 (if (zerop (length g))
3041 (concat foreign (mapconcat 'identity (nreverse res) gsep))))))
3043 (defun gnus-narrow-to-body ()
3044 "Narrow to the body of an article."
3047 (goto-char (point-min))
3048 (or (search-forward "\n\n" nil t)
3054 ;;; Kill file handling.
3057 (defun gnus-apply-kill-file ()
3058 "Apply a kill file to the current newsgroup.
3059 Returns the number of articles marked as read."
3060 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
3061 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
3062 (gnus-apply-kill-file-internal)
3065 (defun gnus-kill-save-kill-buffer ()
3066 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
3067 (when (get-file-buffer file)
3069 (set-buffer (get-file-buffer file))
3070 (when (buffer-modified-p)
3072 (kill-buffer (current-buffer))))))
3074 (defcustom gnus-kill-file-name "KILL"
3075 "Suffix of the kill files."
3076 :group 'gnus-score-kill
3077 :group 'gnus-score-files
3080 (defun gnus-newsgroup-kill-file (newsgroup)
3081 "Return the name of a kill file name for NEWSGROUP.
3082 If NEWSGROUP is nil, return the global kill file name instead."
3084 ;; The global KILL file is placed at top of the directory.
3085 ((or (null newsgroup)
3086 (string-equal newsgroup ""))
3087 (expand-file-name gnus-kill-file-name
3088 gnus-kill-files-directory))
3089 ;; Append ".KILL" to newsgroup name.
3090 ((gnus-use-long-file-name 'not-kill)
3091 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
3092 "." gnus-kill-file-name)
3093 gnus-kill-files-directory))
3094 ;; Place "KILL" under the hierarchical directory.
3096 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
3097 "/" gnus-kill-file-name)
3098 gnus-kill-files-directory))))
3102 (defun gnus-member-of-valid (symbol group)
3103 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
3105 (symbol-name (car (gnus-find-method-for-group group)))
3106 gnus-valid-select-methods)))
3108 (defun gnus-method-option-p (method option)
3109 "Return non-nil if select METHOD has OPTION as a parameter."
3110 (when (stringp method)
3111 (setq method (gnus-server-to-method method)))
3112 (memq option (assoc (format "%s" (car method))
3113 gnus-valid-select-methods)))
3115 (defun gnus-similar-server-opened (method)
3116 (let ((opened gnus-opened-servers))
3117 (while (and method opened)
3118 (when (and (equal (cadr method) (cadaar opened))
3119 (equal (car method) (caaar opened))
3120 (not (equal method (caar opened))))
3125 (defun gnus-server-extend-method (group method)
3126 ;; This function "extends" a virtual server. If the server is
3127 ;; "hello", and the select method is ("hello" (my-var "something"))
3128 ;; in the group "alt.alt", this will result in a new virtual server
3129 ;; called "hello+alt.alt".
3130 (if (or (not (inline (gnus-similar-server-opened method)))
3131 (not (cddr method)))
3133 `(,(car method) ,(concat (cadr method) "+" group)
3134 (,(intern (format "%s-address" (car method))) ,(cadr method))
3137 (defun gnus-server-status (method)
3138 "Return the status of METHOD."
3139 (nth 1 (assoc method gnus-opened-servers)))
3141 (defun gnus-group-name-to-method (group)
3142 "Guess a select method based on GROUP."
3143 (if (string-match ":" group)
3144 (let ((server (substring group 0 (match-beginning 0))))
3145 (if (string-match "\\+" server)
3146 (list (intern (substring server 0 (match-beginning 0)))
3147 (substring server (match-end 0)))
3148 (list (intern server) "")))
3149 gnus-select-method))
3151 (defun gnus-server-string (server)
3152 "Return a readable string that describes SERVER."
3153 (let* ((server (gnus-server-to-method server))
3154 (address (nth 1 server)))
3156 (not (zerop (length address))))
3157 (format "%s via %s" address (car server))
3158 (format "%s" (car server)))))
3160 (defun gnus-find-method-for-group (group &optional info)
3161 "Find the select method that GROUP uses."
3162 (or gnus-override-method
3165 (and (not (gnus-group-entry group)) ;; a new group
3166 (gnus-group-name-to-method group))
3167 (let ((info (or info (gnus-get-info group)))
3170 (not (setq method (gnus-info-method info)))
3171 (equal method "native"))
3174 (cond ((stringp method)
3175 (inline (gnus-server-to-method method)))
3176 ((stringp (cadr method))
3177 (inline (gnus-server-extend-method group method)))
3180 (cond ((equal (cadr method) "")
3182 ((null (cadr method))
3183 (list (car method) ""))
3185 (gnus-server-add-address method)))))))
3187 (defun gnus-methods-using (feature)
3188 "Find all methods that have FEATURE."
3189 (let ((valids gnus-valid-select-methods)
3192 (when (memq feature (car valids))
3193 (push (car valids) outs))
3194 (setq valids (cdr valids)))
3197 (defun gnus-read-group (prompt &optional default)
3198 "Prompt the user for a group name.
3199 Disallow invalid group names."
3204 gnus-invalid-group-regexp
3205 (setq group (read-string (concat prefix prompt)
3206 (cons (or default "") 0)
3207 'gnus-group-history)))
3208 (setq prefix (format "Invalid group name: \"%s\". " group)
3212 (defun gnus-read-method (prompt)
3213 "Prompt the user for a method.
3214 Allow completion over sensible values."
3215 (let* ((open-servers
3216 (mapcar (lambda (i) (cons (format "%s:%s" (caar i) (cadar i)) i))
3217 gnus-opened-servers))
3220 (dolist (method gnus-valid-select-methods)
3221 (if (or (memq 'prompt-address method)
3222 (not (assoc (format "%s:" (car method)) open-servers)))
3223 (push method methods)))
3226 (append valid-methods
3228 gnus-predefined-server-alist
3233 nil t nil 'gnus-method-history)))
3236 (setq method gnus-select-method))
3237 ((assoc method gnus-valid-select-methods)
3238 (let ((address (if (memq 'prompt-address
3239 (assoc method gnus-valid-select-methods))
3240 (read-string "Address: ")
3242 (or (cadr (assoc (format "%s:%s" method address) open-servers))
3243 (list (intern method) address))))
3244 ((assoc method servers)
3247 (list (intern method) "")))))
3249 ;;; User-level commands.
3252 (defun gnus-slave-no-server (&optional arg)
3253 "Read network news as a slave, without connecting to local server."
3255 (gnus-no-server arg t))
3258 (defun gnus-no-server (&optional arg slave)
3260 If ARG is a positive number, Gnus will use that as the
3261 startup level. If ARG is nil, Gnus will be started at level 2.
3262 If ARG is non-nil and not a positive number, Gnus will
3263 prompt the user for the name of an NNTP server to use.
3264 As opposed to `gnus', this command will not connect to the local server."
3266 (gnus-no-server-1 arg slave))
3269 (defun gnus-slave (&optional arg)
3270 "Read news as a slave."
3272 (gnus arg nil 'slave))
3275 (defun gnus-other-frame (&optional arg)
3276 "Pop up a frame to read news."
3278 (let ((window (get-buffer-window gnus-group-buffer)))
3280 (select-frame (window-frame window)))
3282 (select-frame (make-frame)))))
3285 ;;(setq thing ? ; this is a comment
3289 (defun gnus (&optional arg dont-connect slave)
3291 If ARG is non-nil and a positive number, Gnus will use that as the
3292 startup level. If ARG is non-nil and not a positive number, Gnus will
3293 prompt the user for the name of an NNTP server to use."
3295 (unless (byte-code-function-p (symbol-function 'gnus))
3296 (message "You should byte-compile Gnus")
3298 (gnus-1 arg dont-connect slave))
3300 ;; Allow redefinition of Gnus functions.
3306 ;;; gnus.el ends here