1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996,97 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
35 (defcustom gnus-kill-summary-on-exit t
36 "*If non-nil, kill the summary buffer when you exit from it.
37 If nil, the summary will become a \"*Dead Summary*\" buffer, and
38 it will be killed sometime later."
39 :group 'gnus-summary-exit
42 (defcustom gnus-fetch-old-headers nil
43 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
44 If an unread article in the group refers to an older, already read (or
45 just marked as read) article, the old article will not normally be
46 displayed in the Summary buffer. If this variable is non-nil, Gnus
47 will attempt to grab the headers to the old articles, and thereby
48 build complete threads. If it has the value `some', only enough
49 headers to connect otherwise loose threads will be displayed.
50 This variable can also be a number. In that case, no more than that
51 number of old headers will be fetched.
53 The server has to support NOV for any of this to work."
55 :type '(choice (const :tag "off" nil)
58 (sexp :menu-tag "other" t)))
60 (defcustom gnus-summary-make-false-root 'adopt
61 "*nil means that Gnus won't gather loose threads.
62 If the root of a thread has expired or been read in a previous
63 session, the information necessary to build a complete thread has been
64 lost. Instead of having many small sub-threads from this original thread
65 scattered all over the summary buffer, Gnus can gather them.
67 If non-nil, Gnus will try to gather all loose sub-threads from an
68 original thread into one large thread.
70 If this variable is non-nil, it should be one of `none', `adopt',
73 If this variable is `none', Gnus will not make a false root, but just
74 present the sub-threads after another.
75 If this variable is `dummy', Gnus will create a dummy root that will
76 have all the sub-threads as children.
77 If this variable is `adopt', Gnus will make one of the \"children\"
78 the parent and mark all the step-children as such.
79 If this variable is `empty', the \"children\" are printed with empty
80 subject fields. (Or rather, they will be printed with a string
81 given by the `gnus-summary-same-subject' variable.)"
83 :type '(choice (const :tag "off" nil)
89 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
90 "*A regexp to match subjects to be excluded from loose thread gathering.
91 As loose thread gathering is done on subjects only, that means that
92 there can be many false gatherings performed. By rooting out certain
93 common subjects, gathering might become saner."
97 (defcustom gnus-summary-gather-subject-limit nil
98 "*Maximum length of subject comparisons when gathering loose threads.
99 Use nil to compare full subjects. Setting this variable to a low
100 number will help gather threads that have been corrupted by
101 newsreaders chopping off subject lines, but it might also mean that
102 unrelated articles that have subject that happen to begin with the
103 same few characters will be incorrectly gathered.
105 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
108 :type '(choice (const :tag "off" nil)
110 (sexp :menu-tag "on" t)))
112 (defcustom gnus-simplify-ignored-prefixes nil
113 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
115 :type '(choice (const :tag "off" nil)
118 (defcustom gnus-build-sparse-threads nil
119 "*If non-nil, fill in the gaps in threads.
120 If `some', only fill in the gaps that are needed to tie loose threads
121 together. If `more', fill in all leaf nodes that Gnus can find. If
122 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
124 :type '(choice (const :tag "off" nil)
127 (sexp :menu-tag "all" t)))
129 (defcustom gnus-summary-thread-gathering-function 'gnus-gather-threads-by-subject
130 "Function used for gathering loose threads.
131 There are two pre-defined functions: `gnus-gather-threads-by-subject',
132 which only takes Subjects into consideration; and
133 `gnus-gather-threads-by-references', which compared the References
134 headers of the articles to find matches."
136 :type '(set (function-item gnus-gather-threads-by-subject)
137 (function-item gnus-gather-threads-by-references)
138 (function :tag "other")))
140 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
141 (defcustom gnus-summary-same-subject ""
142 "*String indicating that the current article has the same subject as the previous.
143 This variable will only be used if the value of
144 `gnus-summary-make-false-root' is `empty'."
145 :group 'gnus-summary-format
148 (defcustom gnus-summary-goto-unread t
149 "*If t, marking commands will go to the next unread article.
150 If `never', commands that usually go to the next unread article, will
151 go to the next article, whether it is read or not.
152 If nil, only the marking commands will go to the next (un)read article."
153 :group 'gnus-summary-marks
154 :link '(custom-manual "(gnus)Setting Marks")
155 :type '(choice (const :tag "off" nil)
157 (sexp :menu-tag "on" t)))
159 (defcustom gnus-summary-default-score 0
160 "*Default article score level.
161 If this variable is nil, scoring will be disabled."
162 :group 'gnus-score-default
163 :type '(choice (const :tag "disable")
166 (defcustom gnus-summary-zcore-fuzz 0
167 "*Fuzziness factor for the zcore in the summary buffer.
168 Articles with scores closer than this to `gnus-summary-default-score'
170 :group 'gnus-summary-format
173 (defcustom gnus-simplify-subject-fuzzy-regexp nil
174 "*Strings to be removed when doing fuzzy matches.
175 This can either be a regular expression or list of regular expressions
176 that will be removed from subject strings if fuzzy subject
177 simplification is selected."
179 :type '(repeat regexp))
181 (defcustom gnus-show-threads t
182 "*If non-nil, display threads in summary mode."
186 (defcustom gnus-thread-hide-subtree nil
187 "*If non-nil, hide all threads initially.
188 If threads are hidden, you have to run the command
189 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
190 to expose hidden threads."
194 (defcustom gnus-thread-hide-killed t
195 "*If non-nil, hide killed threads automatically."
199 (defcustom gnus-thread-ignore-subject nil
200 "*If non-nil, ignore subjects and do all threading based on the Reference header.
201 If nil, which is the default, articles that have different subjects
202 from their parents will start separate threads."
206 (defcustom gnus-thread-operation-ignore-subject t
207 "*If non-nil, subjects will be ignored when doing thread commands.
208 This affects commands like `gnus-summary-kill-thread' and
209 `gnus-summary-lower-thread'.
211 If this variable is nil, articles in the same thread with different
212 subjects will not be included in the operation in question. If this
213 variable is `fuzzy', only articles that have subjects that are fuzzily
214 equal will be included."
216 :type '(choice (const :tag "off" nil)
220 (defcustom gnus-thread-indent-level 4
221 "*Number that says how much each sub-thread should be indented."
225 (defcustom gnus-auto-extend-newsgroup t
226 "*If non-nil, extend newsgroup forward and backward when requested."
227 :group 'gnus-summary-choose
230 (defcustom gnus-auto-select-first t
231 "*If nil, don't select the first unread article when entering a group.
232 If this variable is `best', select the highest-scored unread article
233 in the group. If neither nil nor `best', select the first unread
236 If you want to prevent automatic selection of the first unread article
237 in some newsgroups, set the variable to nil in
238 `gnus-select-group-hook'."
239 :group 'gnus-group-select
240 :type '(choice (const :tag "none" nil)
242 (sexp :menu-tag "first" t)))
244 (defcustom gnus-auto-select-next t
245 "*If non-nil, offer to go to the next group from the end of the previous.
246 If the value is t and the next newsgroup is empty, Gnus will exit
247 summary mode and go back to group mode. If the value is neither nil
248 nor t, Gnus will select the following unread newsgroup. In
249 particular, if the value is the symbol `quietly', the next unread
250 newsgroup will be selected without any confirmation, and if it is
251 `almost-quietly', the next group will be selected without any
252 confirmation if you are located on the last article in the group.
253 Finally, if this variable is `slightly-quietly', the `Z n' command
254 will go to the next group without confirmation."
255 :group 'gnus-summary-maneuvering
256 :type '(choice (const :tag "off" nil)
258 (const almost-quietly)
259 (const slightly-quietly)
260 (sexp :menu-tag "on" t)))
262 (defcustom gnus-auto-select-same nil
263 "*If non-nil, select the next article with the same subject."
264 :group 'gnus-summary-maneuvering
267 (defcustom gnus-summary-check-current nil
268 "*If non-nil, consider the current article when moving.
269 The \"unread\" movement commands will stay on the same line if the
270 current article is unread."
271 :group 'gnus-summary-maneuvering
274 (defcustom gnus-auto-center-summary t
275 "*If non-nil, always center the current summary buffer.
276 In particular, if `vertical' do only vertical recentering. If non-nil
277 and non-`vertical', do both horizontal and vertical recentering."
278 :group 'gnus-summary-maneuvering
279 :type '(choice (const :tag "none" nil)
281 (sexp :menu-tag "both" t)))
283 (defcustom gnus-show-all-headers nil
284 "*If non-nil, don't hide any headers."
285 :group 'gnus-article-hiding
286 :group 'gnus-article-headers
289 (defcustom gnus-single-article-buffer t
290 "*If non-nil, display all articles in the same buffer.
291 If nil, each group will get its own article buffer."
292 :group 'gnus-article-various
295 (defcustom gnus-break-pages t
296 "*If non-nil, do page breaking on articles.
297 The page delimiter is specified by the `gnus-page-delimiter'
299 :group 'gnus-article-various
302 (defcustom gnus-show-mime nil
303 "*If non-nil, do mime processing of articles.
304 The articles will simply be fed to the function given by
305 `gnus-show-mime-method'."
306 :group 'gnus-article-mime
309 (defcustom gnus-move-split-methods nil
310 "*Variable used to suggest where articles are to be moved to.
311 It uses the same syntax as the `gnus-split-methods' variable."
312 :group 'gnus-summary-mail
313 :type '(repeat (choice (list function)
314 (cons regexp (repeat string))
317 ;; Mark variables suggested by Thomas Michanek
318 ;; <Thomas.Michanek@telelogic.se>.
320 (defcustom gnus-unread-mark ?
321 "*Mark used for unread articles."
322 :group 'gnus-summary-marks
325 (defcustom gnus-ticked-mark ?!
326 "*Mark used for ticked articles."
327 :group 'gnus-summary-marks
330 (defcustom gnus-dormant-mark ??
331 "*Mark used for dormant articles."
332 :group 'gnus-summary-marks
335 (defcustom gnus-del-mark ?r
336 "*Mark used for del'd articles."
337 :group 'gnus-summary-marks
340 (defcustom gnus-read-mark ?R
341 "*Mark used for read articles."
342 :group 'gnus-summary-marks
345 (defcustom gnus-expirable-mark ?E
346 "*Mark used for expirable articles."
347 :group 'gnus-summary-marks
350 (defcustom gnus-killed-mark ?K
351 "*Mark used for killed articles."
352 :group 'gnus-summary-marks
355 (defcustom gnus-souped-mark ?F
356 "*Mark used for killed articles."
357 :group 'gnus-summary-marks
360 (defcustom gnus-kill-file-mark ?X
361 "*Mark used for articles killed by kill files."
362 :group 'gnus-summary-marks
365 (defcustom gnus-low-score-mark ?Y
366 "*Mark used for articles with a low score."
367 :group 'gnus-summary-marks
370 (defcustom gnus-catchup-mark ?C
371 "*Mark used for articles that are caught up."
372 :group 'gnus-summary-marks
375 (defcustom gnus-replied-mark ?A
376 "*Mark used for articles that have been replied to."
377 :group 'gnus-summary-marks
380 (defcustom gnus-cached-mark ?*
381 "*Mark used for articles that are in the cache."
382 :group 'gnus-summary-marks
385 (defcustom gnus-saved-mark ?S
386 "*Mark used for articles that have been saved to."
387 :group 'gnus-summary-marks
390 (defcustom gnus-ancient-mark ?O
391 "*Mark used for ancient articles."
392 :group 'gnus-summary-marks
395 (defcustom gnus-sparse-mark ?Q
396 "*Mark used for sparsely reffed articles."
397 :group 'gnus-summary-marks
400 (defcustom gnus-canceled-mark ?G
401 "*Mark used for canceled articles."
402 :group 'gnus-summary-marks
405 (defcustom gnus-duplicate-mark ?M
406 "*Mark used for duplicate articles."
407 :group 'gnus-summary-marks
410 (defcustom gnus-score-over-mark ?+
411 "*Score mark used for articles with high scores."
412 :group 'gnus-summary-marks
415 (defcustom gnus-score-below-mark ?-
416 "*Score mark used for articles with low scores."
417 :group 'gnus-summary-marks
420 (defcustom gnus-empty-thread-mark ?
421 "*There is no thread under the article."
422 :group 'gnus-summary-marks
425 (defcustom gnus-not-empty-thread-mark ?=
426 "*There is a thread under the article."
427 :group 'gnus-summary-marks
430 (defcustom gnus-view-pseudo-asynchronously nil
431 "*If non-nil, Gnus will view pseudo-articles asynchronously."
432 :group 'gnus-extract-view
435 (defcustom gnus-view-pseudos nil
436 "*If `automatic', pseudo-articles will be viewed automatically.
437 If `not-confirm', pseudos will be viewed automatically, and the user
438 will not be asked to confirm the command."
439 :group 'gnus-extract-view
440 :type '(choice (const :tag "off" nil)
442 (const not-confirm)))
444 (defcustom gnus-view-pseudos-separately t
445 "*If non-nil, one pseudo-article will be created for each file to be viewed.
446 If nil, all files that use the same viewing command will be given as a
447 list of parameters to that command."
448 :group 'gnus-extract-view
451 (defcustom gnus-insert-pseudo-articles t
452 "*If non-nil, insert pseudo-articles when decoding articles."
453 :group 'gnus-extract-view
456 (defcustom gnus-summary-dummy-line-format
458 "*The format specification for the dummy roots in the summary buffer.
459 It works along the same lines as a normal formatting string,
460 with some simple extensions.
463 :group 'gnus-threading
466 (defcustom gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
467 "*The format specification for the summary mode line.
468 It works along the same lines as a normal formatting string,
469 with some simple extensions:
472 %p Unprefixed group name
473 %A Current article number
475 %U Number of unread articles in the group
476 %e Number of unselected articles in the group
477 %Z A string with unread/unselected article counts
478 %g Shortish group name
479 %S Subject of the current article
481 %s Current score file name
482 %d Number of dormant articles
483 %r Number of articles that have been marked as read in this session
484 %E Number of articles expunged by the score files"
485 :group 'gnus-summary-format
488 (defcustom gnus-summary-mark-below 0
489 "*Mark all articles with a score below this variable as read.
490 This variable is local to each summary buffer and usually set by the
492 :group 'gnus-score-default
495 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
496 "*List of functions used for sorting articles in the summary buffer.
497 This variable is only used when not using a threaded display."
498 :group 'gnus-summary-sort
499 :type '(repeat (choice (function-item gnus-article-sort-by-number)
500 (function-item gnus-article-sort-by-author)
501 (function-item gnus-article-sort-by-subject)
502 (function-item gnus-article-sort-by-date)
503 (function-item gnus-article-sort-by-score)
504 (function :tag "other"))))
506 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
507 "*List of functions used for sorting threads in the summary buffer.
508 By default, threads are sorted by article number.
510 Each function takes two threads and return non-nil if the first thread
511 should be sorted before the other. If you use more than one function,
512 the primary sort function should be the last. You should probably
513 always include `gnus-thread-sort-by-number' in the list of sorting
514 functions -- preferably first.
516 Ready-made functions include `gnus-thread-sort-by-number',
517 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
518 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
519 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
520 :group 'gnus-summary-sort
521 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
522 (function-item gnus-thread-sort-by-author)
523 (function-item gnus-thread-sort-by-subject)
524 (function-item gnus-thread-sort-by-date)
525 (function-item gnus-thread-sort-by-score)
526 (function-item gnus-thread-sort-by-total-score)
527 (function :tag "other"))))
529 (defcustom gnus-thread-score-function '+
530 "*Function used for calculating the total score of a thread.
532 The function is called with the scores of the article and each
533 subthread and should then return the score of the thread.
535 Some functions you can use are `+', `max', or `min'."
536 :group 'gnus-summary-sort
539 (defcustom gnus-summary-expunge-below nil
540 "All articles that have a score less than this variable will be expunged."
541 :group 'gnus-score-default
542 :type '(choice (const :tag "off" nil)
545 (defcustom gnus-thread-expunge-below nil
546 "All threads that have a total score less than this variable will be expunged.
547 See `gnus-thread-score-function' for en explanation of what a
548 \"thread score\" is."
549 :group 'gnus-treading
550 :group 'gnus-score-default
551 :type '(choice (const :tag "off" nil)
554 (defcustom gnus-summary-mode-hook nil
555 "*A hook for Gnus summary mode.
556 This hook is run before any variables are set in the summary buffer."
557 :group 'gnus-summary-various
560 (defcustom gnus-summary-menu-hook nil
561 "*Hook run after the creation of the summary mode menu."
562 :group 'gnus-summary-visual
565 (defcustom gnus-summary-exit-hook nil
566 "*A hook called on exit from the summary buffer.
567 It will be called with point in the group buffer."
568 :group 'gnus-summary-exit
571 (defcustom gnus-summary-prepare-hook nil
572 "*A hook called after the summary buffer has been generated.
573 If you want to modify the summary buffer, you can use this hook."
574 :group 'gnus-summary-various
577 (defcustom gnus-summary-generate-hook nil
578 "*A hook run just before generating the summary buffer.
579 This hook is commonly used to customize threading variables and the
581 :group 'gnus-summary-various
584 (defcustom gnus-select-group-hook nil
585 "*A hook called when a newsgroup is selected.
587 If you'd like to simplify subjects like the
588 `gnus-summary-next-same-subject' command does, you can use the
591 (setq gnus-select-group-hook
594 (mapcar (lambda (header)
595 (mail-header-set-subject
597 (gnus-simplify-subject
598 (mail-header-subject header) 're-only)))
599 gnus-newsgroup-headers))))"
600 :group 'gnus-group-select
603 (defcustom gnus-select-article-hook nil
604 "*A hook called when an article is selected."
605 :group 'gnus-summary-choose
608 (defcustom gnus-visual-mark-article-hook
609 (list 'gnus-highlight-selected-summary)
610 "*Hook run after selecting an article in the summary buffer.
611 It is meant to be used for highlighting the article in some way. It
612 is not run if `gnus-visual' is nil."
613 :group 'gnus-summary-visual
616 (defcustom gnus-parse-headers-hook
617 (list 'gnus-decode-rfc1522)
618 "*A hook called before parsing the headers."
622 (defcustom gnus-exit-group-hook nil
623 "*A hook called when exiting (not quitting) summary mode."
627 (defcustom gnus-summary-update-hook
628 (list 'gnus-summary-highlight-line)
629 "*A hook called when a summary line is changed.
630 The hook will not be called if `gnus-visual' is nil.
632 The default function `gnus-summary-highlight-line' will
633 highlight the line according to the `gnus-summary-highlight'
635 :group 'gnus-summary-visual
638 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
639 "*A hook called when an article is selected for the first time.
640 The hook is intended to mark an article as read (or unread)
641 automatically when it is selected."
642 :group 'gnus-summary-choose
645 (defcustom gnus-group-no-more-groups-hook nil
646 "*A hook run when returning to group mode having no more (unread) groups."
647 :group 'gnus-group-select
650 (defcustom gnus-ps-print-hook nil
651 "*A hook run before ps-printing something from Gnus."
655 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
656 "Face used for highlighting the current article in the summary buffer."
657 :group 'gnus-summary-visual
660 (defcustom gnus-summary-highlight
661 '(((= mark gnus-canceled-mark)
662 . gnus-summary-cancelled-face)
663 ((and (> score default)
664 (or (= mark gnus-dormant-mark)
665 (= mark gnus-ticked-mark)))
666 . gnus-summary-high-ticked-face)
667 ((and (< score default)
668 (or (= mark gnus-dormant-mark)
669 (= mark gnus-ticked-mark)))
670 . gnus-summary-low-ticked-face)
671 ((or (= mark gnus-dormant-mark)
672 (= mark gnus-ticked-mark))
673 . gnus-summary-normal-ticked-face)
674 ((and (> score default) (= mark gnus-ancient-mark))
675 . gnus-summary-high-ancient-face)
676 ((and (< score default) (= mark gnus-ancient-mark))
677 . gnus-summary-low-ancient-face)
678 ((= mark gnus-ancient-mark)
679 . gnus-summary-normal-ancient-face)
680 ((and (> score default) (= mark gnus-unread-mark))
681 . gnus-summary-high-unread-face)
682 ((and (< score default) (= mark gnus-unread-mark))
683 . gnus-summary-low-unread-face)
684 ((and (= mark gnus-unread-mark))
685 . gnus-summary-normal-unread-face)
687 . gnus-summary-high-read-face)
689 . gnus-summary-low-read-face)
691 . gnus-summary-normal-read-face))
692 "Controls the highlighting of summary buffer lines.
694 A list of (FORM . FACE) pairs. When deciding how a a particular
695 summary line should be displayed, each form is evaluated. The content
696 of the face field after the first true form is used. You can change
697 how those summary lines are displayed, by editing the face field.
699 You can use the following variables in the FORM field.
701 score: The articles score
702 default: The default article score.
703 below: The score below which articles are automatically marked as read.
704 mark: The articles mark."
705 :group 'gnus-summary-visual
706 :type '(repeat (cons (sexp :tag "Form" nil)
710 ;;; Internal variables
712 (defvar gnus-scores-exclude-files nil)
714 (defvar gnus-summary-display-table
715 ;; Change the display table. Odd characters have a tendency to mess
716 ;; up nicely formatted displays - we make all possible glyphs
717 ;; display only a single character.
719 ;; We start from the standard display table, if any.
720 (let ((table (or (copy-sequence standard-display-table)
721 (make-display-table)))
722 ;; Nix out all the control chars...
724 (while (>= (setq i (1- i)) 0)
726 ;; ... but not newline and cr, of course. (cr is necessary for the
727 ;; selective display).
730 ;; We nix out any glyphs over 126 that are not set already.
732 (while (>= (setq i (1- i)) 127)
733 ;; Only modify if the entry is nil.
735 (aset table i [??]))))
737 "Display table used in summary mode buffers.")
739 (defvar gnus-original-article nil)
740 (defvar gnus-article-internal-prepare-hook nil)
741 (defvar gnus-newsgroup-process-stack nil)
743 (defvar gnus-thread-indent-array nil)
744 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
746 ;; Avoid highlighting in kill files.
747 (defvar gnus-summary-inhibit-highlight nil)
748 (defvar gnus-newsgroup-selected-overlay nil)
749 (defvar gnus-inhibit-limiting nil)
750 (defvar gnus-newsgroup-adaptive-score-file nil)
751 (defvar gnus-current-score-file nil)
752 (defvar gnus-current-move-group nil)
753 (defvar gnus-current-copy-group nil)
754 (defvar gnus-current-crosspost-group nil)
756 (defvar gnus-newsgroup-dependencies nil)
757 (defvar gnus-newsgroup-adaptive nil)
758 (defvar gnus-summary-display-article-function nil)
759 (defvar gnus-summary-highlight-line-function nil
760 "Function called after highlighting a summary line.")
762 (defvar gnus-summary-line-format-alist
763 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
764 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
765 (?s gnus-tmp-subject-or-nil ?s)
766 (?n gnus-tmp-name ?s)
767 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
769 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
771 (?F gnus-tmp-from ?s)
772 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
773 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
774 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
775 (?o (gnus-date-iso8601 gnus-tmp-header) ?s)
776 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
777 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
778 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
779 (?L gnus-tmp-lines ?d)
780 (?I gnus-tmp-indentation ?s)
781 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
782 (?R gnus-tmp-replied ?c)
783 (?\[ gnus-tmp-opening-bracket ?c)
784 (?\] gnus-tmp-closing-bracket ?c)
785 (?\> (make-string gnus-tmp-level ? ) ?s)
786 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
787 (?i gnus-tmp-score ?d)
788 (?z gnus-tmp-score-char ?c)
789 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
790 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
791 (?U gnus-tmp-unread ?c)
792 (?t (gnus-summary-number-of-articles-in-thread
793 (and (boundp 'thread) (car thread)) gnus-tmp-level)
795 (?e (gnus-summary-number-of-articles-in-thread
796 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
798 (?u gnus-tmp-user-defined ?s)
799 (?P (gnus-pick-line-number) ?d))
800 "An alist of format specifications that can appear in summary lines,
801 and what variables they correspond with, along with the type of the
802 variable (string, integer, character, etc).")
804 (defvar gnus-summary-dummy-line-format-alist
805 `((?S gnus-tmp-subject ?s)
806 (?N gnus-tmp-number ?d)
807 (?u gnus-tmp-user-defined ?s)))
809 (defvar gnus-summary-mode-line-format-alist
810 `((?G gnus-tmp-group-name ?s)
811 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
812 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
813 (?A gnus-tmp-article-number ?d)
814 (?Z gnus-tmp-unread-and-unselected ?s)
816 (?U gnus-tmp-unread-and-unticked ?d)
817 (?S gnus-tmp-subject ?s)
818 (?e gnus-tmp-unselected ?d)
819 (?u gnus-tmp-user-defined ?s)
820 (?d (length gnus-newsgroup-dormant) ?d)
821 (?t (length gnus-newsgroup-marked) ?d)
822 (?r (length gnus-newsgroup-reads) ?d)
823 (?E gnus-newsgroup-expunged-tally ?d)
824 (?s (gnus-current-score-file-nondirectory) ?s)))
826 (defvar gnus-last-search-regexp nil
827 "Default regexp for article search command.")
829 (defvar gnus-last-shell-command nil
830 "Default shell command on article.")
832 (defvar gnus-newsgroup-begin nil)
833 (defvar gnus-newsgroup-end nil)
834 (defvar gnus-newsgroup-last-rmail nil)
835 (defvar gnus-newsgroup-last-mail nil)
836 (defvar gnus-newsgroup-last-folder nil)
837 (defvar gnus-newsgroup-last-file nil)
838 (defvar gnus-newsgroup-auto-expire nil)
839 (defvar gnus-newsgroup-active nil)
841 (defvar gnus-newsgroup-data nil)
842 (defvar gnus-newsgroup-data-reverse nil)
843 (defvar gnus-newsgroup-limit nil)
844 (defvar gnus-newsgroup-limits nil)
846 (defvar gnus-newsgroup-unreads nil
847 "List of unread articles in the current newsgroup.")
849 (defvar gnus-newsgroup-unselected nil
850 "List of unselected unread articles in the current newsgroup.")
852 (defvar gnus-newsgroup-reads nil
853 "Alist of read articles and article marks in the current newsgroup.")
855 (defvar gnus-newsgroup-expunged-tally nil)
857 (defvar gnus-newsgroup-marked nil
858 "List of ticked articles in the current newsgroup (a subset of unread art).")
860 (defvar gnus-newsgroup-killed nil
861 "List of ranges of articles that have been through the scoring process.")
863 (defvar gnus-newsgroup-cached nil
864 "List of articles that come from the article cache.")
866 (defvar gnus-newsgroup-saved nil
867 "List of articles that have been saved.")
869 (defvar gnus-newsgroup-kill-headers nil)
871 (defvar gnus-newsgroup-replied nil
872 "List of articles that have been replied to in the current newsgroup.")
874 (defvar gnus-newsgroup-expirable nil
875 "List of articles in the current newsgroup that can be expired.")
877 (defvar gnus-newsgroup-processable nil
878 "List of articles in the current newsgroup that can be processed.")
880 (defvar gnus-newsgroup-bookmarks nil
881 "List of articles in the current newsgroup that have bookmarks.")
883 (defvar gnus-newsgroup-dormant nil
884 "List of dormant articles in the current newsgroup.")
886 (defvar gnus-newsgroup-scored nil
887 "List of scored articles in the current newsgroup.")
889 (defvar gnus-newsgroup-headers nil
890 "List of article headers in the current newsgroup.")
892 (defvar gnus-newsgroup-threads nil)
894 (defvar gnus-newsgroup-prepared nil
895 "Whether the current group has been prepared properly.")
897 (defvar gnus-newsgroup-ancient nil
898 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
900 (defvar gnus-newsgroup-sparse nil)
902 (defvar gnus-current-article nil)
903 (defvar gnus-article-current nil)
904 (defvar gnus-current-headers nil)
905 (defvar gnus-have-all-headers nil)
906 (defvar gnus-last-article nil)
907 (defvar gnus-newsgroup-history nil)
909 (defconst gnus-summary-local-variables
910 '(gnus-newsgroup-name
911 gnus-newsgroup-begin gnus-newsgroup-end
912 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
913 gnus-newsgroup-last-folder gnus-newsgroup-last-file
914 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
915 gnus-newsgroup-unselected gnus-newsgroup-marked
916 gnus-newsgroup-reads gnus-newsgroup-saved
917 gnus-newsgroup-replied gnus-newsgroup-expirable
918 gnus-newsgroup-processable gnus-newsgroup-killed
919 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
920 gnus-newsgroup-headers gnus-newsgroup-threads
921 gnus-newsgroup-prepared gnus-summary-highlight-line-function
922 gnus-current-article gnus-current-headers gnus-have-all-headers
923 gnus-last-article gnus-article-internal-prepare-hook
924 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
925 gnus-newsgroup-scored gnus-newsgroup-kill-headers
926 gnus-thread-expunge-below
927 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
928 (gnus-summary-mark-below . global)
929 gnus-newsgroup-active gnus-scores-exclude-files
930 gnus-newsgroup-history gnus-newsgroup-ancient
931 gnus-newsgroup-sparse gnus-newsgroup-process-stack
932 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
933 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
934 (gnus-newsgroup-expunged-tally . 0)
935 gnus-cache-removable-articles gnus-newsgroup-cached
936 gnus-newsgroup-data gnus-newsgroup-data-reverse
937 gnus-newsgroup-limit gnus-newsgroup-limits)
938 "Variables that are buffer-local to the summary buffers.")
940 ;; Byte-compiler warning.
941 (defvar gnus-article-mode-map)
943 ;; Subject simplification.
945 (defsubst gnus-simplify-subject-re (subject)
946 "Remove \"Re:\" from subject lines."
947 (if (string-match "^[Rr][Ee]: *" subject)
948 (substring subject (match-end 0))
951 (defun gnus-simplify-subject (subject &optional re-only)
952 "Remove `Re:' and words in parentheses.
953 If RE-ONLY is non-nil, strip leading `Re:'s only."
954 (let ((case-fold-search t)) ;Ignore case.
955 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
956 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
957 (setq subject (substring subject (match-end 0))))
958 ;; Remove uninteresting prefixes.
959 (when (and (not re-only)
960 gnus-simplify-ignored-prefixes
961 (string-match gnus-simplify-ignored-prefixes subject))
962 (setq subject (substring subject (match-end 0))))
963 ;; Remove words in parentheses from end.
965 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
966 (setq subject (substring subject 0 (match-beginning 0)))))
967 ;; Return subject string.
970 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
972 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
973 (goto-char (point-min))
974 (while (re-search-forward regexp nil t)
975 (replace-match (or newtext ""))))
977 (defun gnus-simplify-buffer-fuzzy ()
978 "Simplify string in the buffer fuzzily.
979 The string in the accessible portion of the current buffer is simplified.
980 It is assumed to be a single-line subject.
981 Whitespace is generally cleaned up, and miscellaneous leading/trailing
982 matter is removed. Additional things can be deleted by setting
983 gnus-simplify-subject-fuzzy-regexp."
984 (let ((case-fold-search t)
986 (gnus-simplify-buffer-fuzzy-step "\t" " ")
988 (while (not (eq modified-tick (buffer-modified-tick)))
989 (setq modified-tick (buffer-modified-tick))
991 ((listp gnus-simplify-subject-fuzzy-regexp)
992 (mapcar 'gnus-simplify-buffer-fuzzy-step
993 gnus-simplify-subject-fuzzy-regexp))
994 (gnus-simplify-subject-fuzzy-regexp
995 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
996 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
997 (gnus-simplify-buffer-fuzzy-step
998 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
999 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1001 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1002 (gnus-simplify-buffer-fuzzy-step " +" " ")
1003 (gnus-simplify-buffer-fuzzy-step " $")
1004 (gnus-simplify-buffer-fuzzy-step "^ +")))
1006 (defun gnus-simplify-subject-fuzzy (subject)
1007 "Simplify a subject string fuzzily.
1008 See gnus-simplify-buffer-fuzzy for details."
1010 (gnus-set-work-buffer)
1011 (let ((case-fold-search t))
1013 (inline (gnus-simplify-buffer-fuzzy))
1016 (defsubst gnus-simplify-subject-fully (subject)
1017 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1019 ((null gnus-summary-gather-subject-limit)
1020 (gnus-simplify-subject-re subject))
1021 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1022 (gnus-simplify-subject-fuzzy subject))
1023 ((numberp gnus-summary-gather-subject-limit)
1024 (gnus-limit-string (gnus-simplify-subject-re subject)
1025 gnus-summary-gather-subject-limit))
1029 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1030 "Check whether two subjects are equal. If optional argument
1031 simple-first is t, first argument is already simplified."
1033 ((null simple-first)
1034 (equal (gnus-simplify-subject-fully s1)
1035 (gnus-simplify-subject-fully s2)))
1038 (gnus-simplify-subject-fully s2)))))
1040 (defun gnus-offer-save-summaries ()
1041 "Offer to save all active summary buffers."
1043 (let ((buflist (buffer-list))
1045 ;; Go through all buffers and find all summaries.
1047 (and (setq bufname (buffer-name (car buflist)))
1048 (string-match "Summary" bufname)
1050 (set-buffer bufname)
1051 ;; We check that this is, indeed, a summary buffer.
1052 (and (eq major-mode 'gnus-summary-mode)
1053 ;; Also make sure this isn't bogus.
1054 gnus-newsgroup-prepared
1055 ;; Also make sure that this isn't a dead summary buffer.
1056 (not gnus-dead-summary-mode)))
1057 (push bufname buffers))
1058 (setq buflist (cdr buflist)))
1059 ;; Go through all these summary buffers and offer to save them.
1062 "Update summary buffer %s? "
1063 (lambda (buf) (switch-to-buffer buf) (gnus-summary-exit))
1066 (defun gnus-summary-bubble-group ()
1067 "Increase the score of the current group.
1068 This is a handy function to add to `gnus-summary-exit-hook' to
1069 increase the score of each group you read."
1070 (gnus-group-add-score gnus-newsgroup-name))
1074 ;;; Gnus summary mode
1077 (put 'gnus-summary-mode 'mode-class 'special)
1080 ;; Non-orthogonal keys
1082 (gnus-define-keys gnus-summary-mode-map
1083 " " gnus-summary-next-page
1084 "\177" gnus-summary-prev-page
1085 [delete] gnus-summary-prev-page
1086 "\r" gnus-summary-scroll-up
1087 "n" gnus-summary-next-unread-article
1088 "p" gnus-summary-prev-unread-article
1089 "N" gnus-summary-next-article
1090 "P" gnus-summary-prev-article
1091 "\M-\C-n" gnus-summary-next-same-subject
1092 "\M-\C-p" gnus-summary-prev-same-subject
1093 "\M-n" gnus-summary-next-unread-subject
1094 "\M-p" gnus-summary-prev-unread-subject
1095 "." gnus-summary-first-unread-article
1096 "," gnus-summary-best-unread-article
1097 "\M-s" gnus-summary-search-article-forward
1098 "\M-r" gnus-summary-search-article-backward
1099 "<" gnus-summary-beginning-of-article
1100 ">" gnus-summary-end-of-article
1101 "j" gnus-summary-goto-article
1102 "^" gnus-summary-refer-parent-article
1103 "\M-^" gnus-summary-refer-article
1104 "u" gnus-summary-tick-article-forward
1105 "!" gnus-summary-tick-article-forward
1106 "U" gnus-summary-tick-article-backward
1107 "d" gnus-summary-mark-as-read-forward
1108 "D" gnus-summary-mark-as-read-backward
1109 "E" gnus-summary-mark-as-expirable
1110 "\M-u" gnus-summary-clear-mark-forward
1111 "\M-U" gnus-summary-clear-mark-backward
1112 "k" gnus-summary-kill-same-subject-and-select
1113 "\C-k" gnus-summary-kill-same-subject
1114 "\M-\C-k" gnus-summary-kill-thread
1115 "\M-\C-l" gnus-summary-lower-thread
1116 "e" gnus-summary-edit-article
1117 "#" gnus-summary-mark-as-processable
1118 "\M-#" gnus-summary-unmark-as-processable
1119 "\M-\C-t" gnus-summary-toggle-threads
1120 "\M-\C-s" gnus-summary-show-thread
1121 "\M-\C-h" gnus-summary-hide-thread
1122 "\M-\C-f" gnus-summary-next-thread
1123 "\M-\C-b" gnus-summary-prev-thread
1124 "\M-\C-u" gnus-summary-up-thread
1125 "\M-\C-d" gnus-summary-down-thread
1126 "&" gnus-summary-execute-command
1127 "c" gnus-summary-catchup-and-exit
1128 "\C-w" gnus-summary-mark-region-as-read
1129 "\C-t" gnus-summary-toggle-truncation
1130 "?" gnus-summary-mark-as-dormant
1131 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1132 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1133 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1134 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1135 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1136 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1137 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1138 "=" gnus-summary-expand-window
1139 "\C-x\C-s" gnus-summary-reselect-current-group
1140 "\M-g" gnus-summary-rescan-group
1141 "w" gnus-summary-stop-page-breaking
1142 "\C-c\C-r" gnus-summary-caesar-message
1143 "\M-t" gnus-summary-toggle-mime
1144 "f" gnus-summary-followup
1145 "F" gnus-summary-followup-with-original
1146 "C" gnus-summary-cancel-article
1147 "r" gnus-summary-reply
1148 "R" gnus-summary-reply-with-original
1149 "\C-c\C-f" gnus-summary-mail-forward
1150 "o" gnus-summary-save-article
1151 "\C-o" gnus-summary-save-article-mail
1152 "|" gnus-summary-pipe-output
1153 "\M-k" gnus-summary-edit-local-kill
1154 "\M-K" gnus-summary-edit-global-kill
1156 "\C-c\C-d" gnus-summary-describe-group
1157 "q" gnus-summary-exit
1158 "Q" gnus-summary-exit-no-update
1159 "\C-c\C-i" gnus-info-find-node
1160 gnus-mouse-2 gnus-mouse-pick-article
1161 "m" gnus-summary-mail-other-window
1162 "a" gnus-summary-post-news
1163 "x" gnus-summary-limit-to-unread
1164 "s" gnus-summary-isearch-article
1165 "t" gnus-article-hide-headers
1166 "g" gnus-summary-show-article
1167 "l" gnus-summary-goto-last-article
1168 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1169 "\C-d" gnus-summary-enter-digest-group
1170 "\M-\C-d" gnus-summary-read-document
1172 "*" gnus-cache-enter-article
1173 "\M-*" gnus-cache-remove-article
1174 "\M-&" gnus-summary-universal-argument
1175 "\C-l" gnus-recenter
1176 "I" gnus-summary-increase-score
1177 "L" gnus-summary-lower-score
1179 "V" gnus-summary-score-map
1180 "X" gnus-uu-extract-map
1181 "S" gnus-summary-send-map)
1183 ;; Sort of orthogonal keymap
1184 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1185 "t" gnus-summary-tick-article-forward
1186 "!" gnus-summary-tick-article-forward
1187 "d" gnus-summary-mark-as-read-forward
1188 "r" gnus-summary-mark-as-read-forward
1189 "c" gnus-summary-clear-mark-forward
1190 " " gnus-summary-clear-mark-forward
1191 "e" gnus-summary-mark-as-expirable
1192 "x" gnus-summary-mark-as-expirable
1193 "?" gnus-summary-mark-as-dormant
1194 "b" gnus-summary-set-bookmark
1195 "B" gnus-summary-remove-bookmark
1196 "#" gnus-summary-mark-as-processable
1197 "\M-#" gnus-summary-unmark-as-processable
1198 "S" gnus-summary-limit-include-expunged
1199 "C" gnus-summary-catchup
1200 "H" gnus-summary-catchup-to-here
1201 "\C-c" gnus-summary-catchup-all
1202 "k" gnus-summary-kill-same-subject-and-select
1203 "K" gnus-summary-kill-same-subject
1204 "P" gnus-uu-mark-map)
1206 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1207 "c" gnus-summary-clear-above
1208 "u" gnus-summary-tick-above
1209 "m" gnus-summary-mark-above
1210 "k" gnus-summary-kill-below)
1212 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1213 "/" gnus-summary-limit-to-subject
1214 "n" gnus-summary-limit-to-articles
1215 "w" gnus-summary-pop-limit
1216 "s" gnus-summary-limit-to-subject
1217 "a" gnus-summary-limit-to-author
1218 "u" gnus-summary-limit-to-unread
1219 "m" gnus-summary-limit-to-marks
1220 "v" gnus-summary-limit-to-score
1221 "D" gnus-summary-limit-include-dormant
1222 "d" gnus-summary-limit-exclude-dormant
1223 "t" gnus-summary-limit-to-age
1224 "E" gnus-summary-limit-include-expunged
1225 "c" gnus-summary-limit-exclude-childless-dormant
1226 "C" gnus-summary-limit-mark-excluded-as-read)
1228 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1229 "n" gnus-summary-next-unread-article
1230 "p" gnus-summary-prev-unread-article
1231 "N" gnus-summary-next-article
1232 "P" gnus-summary-prev-article
1233 "\C-n" gnus-summary-next-same-subject
1234 "\C-p" gnus-summary-prev-same-subject
1235 "\M-n" gnus-summary-next-unread-subject
1236 "\M-p" gnus-summary-prev-unread-subject
1237 "f" gnus-summary-first-unread-article
1238 "b" gnus-summary-best-unread-article
1239 "j" gnus-summary-goto-article
1240 "g" gnus-summary-goto-subject
1241 "l" gnus-summary-goto-last-article
1242 "p" gnus-summary-pop-article)
1244 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1245 "k" gnus-summary-kill-thread
1246 "l" gnus-summary-lower-thread
1247 "i" gnus-summary-raise-thread
1248 "T" gnus-summary-toggle-threads
1249 "t" gnus-summary-rethread-current
1250 "^" gnus-summary-reparent-thread
1251 "s" gnus-summary-show-thread
1252 "S" gnus-summary-show-all-threads
1253 "h" gnus-summary-hide-thread
1254 "H" gnus-summary-hide-all-threads
1255 "n" gnus-summary-next-thread
1256 "p" gnus-summary-prev-thread
1257 "u" gnus-summary-up-thread
1258 "o" gnus-summary-top-thread
1259 "d" gnus-summary-down-thread
1260 "#" gnus-uu-mark-thread
1261 "\M-#" gnus-uu-unmark-thread)
1263 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1264 "g" gnus-summary-prepare
1265 "c" gnus-summary-insert-cached-articles)
1267 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1268 "c" gnus-summary-catchup-and-exit
1269 "C" gnus-summary-catchup-all-and-exit
1270 "E" gnus-summary-exit-no-update
1271 "Q" gnus-summary-exit
1272 "Z" gnus-summary-exit
1273 "n" gnus-summary-catchup-and-goto-next-group
1274 "R" gnus-summary-reselect-current-group
1275 "G" gnus-summary-rescan-group
1276 "N" gnus-summary-next-group
1277 "s" gnus-summary-save-newsrc
1278 "P" gnus-summary-prev-group)
1280 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1281 " " gnus-summary-next-page
1282 "n" gnus-summary-next-page
1283 "\177" gnus-summary-prev-page
1284 [delete] gnus-summary-prev-page
1285 "p" gnus-summary-prev-page
1286 "\r" gnus-summary-scroll-up
1287 "<" gnus-summary-beginning-of-article
1288 ">" gnus-summary-end-of-article
1289 "b" gnus-summary-beginning-of-article
1290 "e" gnus-summary-end-of-article
1291 "^" gnus-summary-refer-parent-article
1292 "r" gnus-summary-refer-parent-article
1293 "R" gnus-summary-refer-references
1294 "g" gnus-summary-show-article
1295 "s" gnus-summary-isearch-article
1296 "P" gnus-summary-print-article)
1298 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1299 "b" gnus-article-add-buttons
1300 "B" gnus-article-add-buttons-to-head
1301 "o" gnus-article-treat-overstrike
1302 "e" gnus-article-emphasize
1303 "w" gnus-article-fill-cited-article
1304 "c" gnus-article-remove-cr
1305 "q" gnus-article-de-quoted-unreadable
1306 "f" gnus-article-display-x-face
1307 "l" gnus-summary-stop-page-breaking
1308 "r" gnus-summary-caesar-message
1309 "t" gnus-article-hide-headers
1310 "v" gnus-summary-verbose-headers
1311 "m" gnus-summary-toggle-mime)
1313 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1314 "a" gnus-article-hide
1315 "h" gnus-article-hide-headers
1316 "b" gnus-article-hide-boring-headers
1317 "s" gnus-article-hide-signature
1318 "c" gnus-article-hide-citation
1319 "p" gnus-article-hide-pgp
1320 "P" gnus-article-hide-pem
1321 "\C-c" gnus-article-hide-citation-maybe)
1323 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1324 "a" gnus-article-highlight
1325 "h" gnus-article-highlight-headers
1326 "c" gnus-article-highlight-citation
1327 "s" gnus-article-highlight-signature)
1329 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1330 "z" gnus-article-date-ut
1331 "u" gnus-article-date-ut
1332 "l" gnus-article-date-local
1333 "e" gnus-article-date-lapsed
1334 "o" gnus-article-date-original
1335 "s" gnus-article-date-user)
1337 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1338 "t" gnus-article-remove-trailing-blank-lines
1339 "l" gnus-article-strip-leading-blank-lines
1340 "m" gnus-article-strip-multiple-blank-lines
1341 "a" gnus-article-strip-blank-lines)
1343 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1345 "f" gnus-summary-fetch-faq
1346 "d" gnus-summary-describe-group
1347 "h" gnus-summary-describe-briefly
1348 "i" gnus-info-find-node)
1350 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1351 "e" gnus-summary-expire-articles
1352 "\M-\C-e" gnus-summary-expire-articles-now
1353 "\177" gnus-summary-delete-article
1354 [delete] gnus-summary-delete-article
1355 "m" gnus-summary-move-article
1356 "r" gnus-summary-respool-article
1357 "w" gnus-summary-edit-article
1358 "c" gnus-summary-copy-article
1359 "B" gnus-summary-crosspost-article
1360 "q" gnus-summary-respool-query
1361 "i" gnus-summary-import-article
1362 "p" gnus-summary-article-posted-p)
1364 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1365 "o" gnus-summary-save-article
1366 "m" gnus-summary-save-article-mail
1367 "F" gnus-summary-write-article-file
1368 "r" gnus-summary-save-article-rmail
1369 "f" gnus-summary-save-article-file
1370 "b" gnus-summary-save-article-body-file
1371 "h" gnus-summary-save-article-folder
1372 "v" gnus-summary-save-article-vm
1373 "p" gnus-summary-pipe-output
1374 "s" gnus-soup-add-article))
1376 (defun gnus-summary-make-menu-bar ()
1377 (gnus-turn-off-edit-menu 'summary)
1379 (unless (boundp 'gnus-summary-misc-menu)
1382 gnus-summary-kill-menu gnus-summary-mode-map ""
1387 ["Enter score..." gnus-summary-score-entry t]
1388 ["Customize" gnus-score-customize t])
1389 (gnus-make-score-map 'increase)
1390 (gnus-make-score-map 'lower)
1392 ["Kill below" gnus-summary-kill-below t]
1393 ["Mark above" gnus-summary-mark-above t]
1394 ["Tick above" gnus-summary-tick-above t]
1395 ["Clear above" gnus-summary-clear-above t])
1396 ["Current score" gnus-summary-current-score t]
1397 ["Set score" gnus-summary-set-score t]
1398 ["Switch current score file..." gnus-score-change-score-file t]
1399 ["Set mark below..." gnus-score-set-mark-below t]
1400 ["Set expunge below..." gnus-score-set-expunge-below t]
1401 ["Edit current score file" gnus-score-edit-current-scores t]
1402 ["Edit score file" gnus-score-edit-file t]
1403 ["Trace score" gnus-score-find-trace t]
1404 ["Find words" gnus-score-find-favourite-words t]
1405 ["Rescore buffer" gnus-summary-rescore t]
1406 ["Increase score..." gnus-summary-increase-score t]
1407 ["Lower score..." gnus-summary-lower-score t]))))
1410 ["Ask" (gnus-score-set-default 'gnus-score-default-header nil)
1412 :selected (null gnus-score-default-header)]
1413 ["From" (gnus-score-set-default 'gnus-score-default-header 'a)
1415 :selected (eq gnus-score-default-header 'a)]
1416 ["Subject" (gnus-score-set-default 'gnus-score-default-header 's)
1418 :selected (eq gnus-score-default-header 's)]
1420 (gnus-score-set-default 'gnus-score-default-header 'b)
1422 :selected (eq gnus-score-default-header 'b )]
1424 (gnus-score-set-default 'gnus-score-default-header 'h)
1426 :selected (eq gnus-score-default-header 'h )]
1427 ["Message-ID" (gnus-score-set-default 'gnus-score-default-header 'i)
1429 :selected (eq gnus-score-default-header 'i )]
1430 ["Thread" (gnus-score-set-default 'gnus-score-default-header 't)
1432 :selected (eq gnus-score-default-header 't )]
1434 (gnus-score-set-default 'gnus-score-default-header 'x)
1436 :selected (eq gnus-score-default-header 'x )]
1437 ["Lines" (gnus-score-set-default 'gnus-score-default-header 'l)
1439 :selected (eq gnus-score-default-header 'l )]
1440 ["Date" (gnus-score-set-default 'gnus-score-default-header 'd)
1442 :selected (eq gnus-score-default-header 'd )]
1443 ["Followups to author"
1444 (gnus-score-set-default 'gnus-score-default-header 'f)
1446 :selected (eq gnus-score-default-header 'f )])
1448 ["Ask" (gnus-score-set-default 'gnus-score-default-type nil)
1450 :selected (null gnus-score-default-type)]
1451 ;; The `:active' key is commented out in the following,
1452 ;; because the GNU Emacs hack to support radio buttons use
1453 ;; active to indicate which button is selected.
1454 ["Substring" (gnus-score-set-default 'gnus-score-default-type 's)
1456 ;; :active (not (memq gnus-score-default-header '(l d)))
1457 :selected (eq gnus-score-default-type 's)]
1458 ["Regexp" (gnus-score-set-default 'gnus-score-default-type 'r)
1460 ;; :active (not (memq gnus-score-default-header '(l d)))
1461 :selected (eq gnus-score-default-type 'r)]
1462 ["Exact" (gnus-score-set-default 'gnus-score-default-type 'e)
1464 ;; :active (not (memq gnus-score-default-header '(l d)))
1465 :selected (eq gnus-score-default-type 'e)]
1466 ["Fuzzy" (gnus-score-set-default 'gnus-score-default-type 'f)
1468 ;; :active (not (memq gnus-score-default-header '(l d)))
1469 :selected (eq gnus-score-default-type 'f)]
1470 ["Before date" (gnus-score-set-default 'gnus-score-default-type 'b)
1472 ;; :active (eq (gnus-score-default-header 'd))
1473 :selected (eq gnus-score-default-type 'b)]
1474 ["At date" (gnus-score-set-default 'gnus-score-default-type 'n)
1476 ;; :active (eq (gnus-score-default-header 'd))
1477 :selected (eq gnus-score-default-type 'n)]
1478 ["After date" (gnus-score-set-default 'gnus-score-default-type 'a)
1480 ;; :active (eq (gnus-score-default-header 'd))
1481 :selected (eq gnus-score-default-type 'a)]
1483 (gnus-score-set-default 'gnus-score-default-type '<)
1485 ;; :active (eq (gnus-score-default-header 'l))
1486 :selected (eq gnus-score-default-type '<)]
1488 (gnus-score-set-default 'gnus-score-default-type '=)
1490 ;; :active (eq (gnus-score-default-header 'l))
1491 :selected (eq gnus-score-default-type '=)]
1492 ["Greater than number"
1493 (gnus-score-set-default 'gnus-score-default-type '>)
1495 ;; :active (eq (gnus-score-default-header 'l))
1496 :selected (eq gnus-score-default-type '>)])
1497 ["Default fold" gnus-score-default-fold-toggle
1499 :selected gnus-score-default-fold]
1501 ["Ask" (gnus-score-set-default 'gnus-score-default-duration nil)
1503 :selected (null gnus-score-default-duration)]
1505 (gnus-score-set-default 'gnus-score-default-duration 'p)
1507 :selected (eq gnus-score-default-duration 'p)]
1509 (gnus-score-set-default 'gnus-score-default-duration 't)
1511 :selected (eq gnus-score-default-duration 't)]
1513 (gnus-score-set-default 'gnus-score-default-duration 'i)
1515 :selected (eq gnus-score-default-duration 'i)]))
1518 gnus-summary-article-menu gnus-summary-mode-map ""
1521 ["All" gnus-article-hide t]
1522 ["Headers" gnus-article-hide-headers t]
1523 ["Signature" gnus-article-hide-signature t]
1524 ["Citation" gnus-article-hide-citation t]
1525 ["PGP" gnus-article-hide-pgp t]
1526 ["Boring headers" gnus-article-hide-boring-headers t])
1528 ["All" gnus-article-highlight t]
1529 ["Headers" gnus-article-highlight-headers t]
1530 ["Signature" gnus-article-highlight-signature t]
1531 ["Citation" gnus-article-highlight-citation t])
1533 ["Local" gnus-article-date-local t]
1534 ["UT" gnus-article-date-ut t]
1535 ["Original" gnus-article-date-original t]
1536 ["Lapsed" gnus-article-date-lapsed t]
1537 ["User-defined" gnus-article-date-user t])
1540 ["Leading" gnus-article-strip-leading-blank-lines t]
1541 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1542 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1543 ["All of the above" gnus-article-strip-blank-lines t])
1544 ["Overstrike" gnus-article-treat-overstrike t]
1545 ["Emphasis" gnus-article-emphasize t]
1546 ["Word wrap" gnus-article-fill-cited-article t]
1547 ["CR" gnus-article-remove-cr t]
1548 ["Show X-Face" gnus-article-display-x-face t]
1549 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
1550 ["Rot 13" gnus-summary-caesar-message t]
1551 ["Unix pipe" gnus-summary-pipe-message t]
1552 ["Add buttons" gnus-article-add-buttons t]
1553 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1554 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1555 ["Toggle MIME" gnus-summary-toggle-mime t]
1556 ["Verbose header" gnus-summary-verbose-headers t]
1557 ["Toggle header" gnus-summary-toggle-header t])
1559 ["Save in default format" gnus-summary-save-article t]
1560 ["Save in file" gnus-summary-save-article-file t]
1561 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1562 ["Write to file" gnus-summary-write-article-mail t]
1563 ["Save in MH folder" gnus-summary-save-article-folder t]
1564 ["Save in VM folder" gnus-summary-save-article-vm t]
1565 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1566 ["Save body in file" gnus-summary-save-article-body-file t]
1567 ["Pipe through a filter" gnus-summary-pipe-output t]
1568 ["Add to SOUP packet" gnus-soup-add-article t]
1569 ["Print" gnus-summary-print-article t])
1571 ["Respool article..." gnus-summary-respool-article t]
1572 ["Move article..." gnus-summary-move-article
1573 (gnus-check-backend-function
1574 'request-move-article gnus-newsgroup-name)]
1575 ["Copy article..." gnus-summary-copy-article t]
1576 ["Crosspost article..." gnus-summary-crosspost-article
1577 (gnus-check-backend-function
1578 'request-replace-article gnus-newsgroup-name)]
1579 ["Import file..." gnus-summary-import-article t]
1580 ["Check if posted" gnus-summary-article-posted-p t]
1581 ["Edit article" gnus-summary-edit-article
1582 (not (gnus-group-read-only-p))]
1583 ["Delete article" gnus-summary-delete-article
1584 (gnus-check-backend-function
1585 'request-expire-articles gnus-newsgroup-name)]
1586 ["Query respool" gnus-summary-respool-query t]
1587 ["Delete expirable articles" gnus-summary-expire-articles-now
1588 (gnus-check-backend-function
1589 'request-expire-articles gnus-newsgroup-name)])
1591 ["Uudecode" gnus-uu-decode-uu t]
1592 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1593 ["Unshar" gnus-uu-decode-unshar t]
1594 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1595 ["Save" gnus-uu-decode-save t]
1596 ["Binhex" gnus-uu-decode-binhex t]
1597 ["Postscript" gnus-uu-decode-postscript t])
1599 ["Enter article" gnus-cache-enter-article t]
1600 ["Remove article" gnus-cache-remove-article t])
1601 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1602 ["Isearch article..." gnus-summary-isearch-article t]
1603 ["Beginning of the article" gnus-summary-beginning-of-article t]
1604 ["End of the article" gnus-summary-end-of-article t]
1605 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1606 ["Fetch referenced articles" gnus-summary-refer-references t]
1607 ["Fetch article with id..." gnus-summary-refer-article t]
1608 ["Redisplay" gnus-summary-show-article t]))
1611 gnus-summary-thread-menu gnus-summary-mode-map ""
1613 ["Toggle threading" gnus-summary-toggle-threads t]
1614 ["Hide threads" gnus-summary-hide-all-threads t]
1615 ["Show threads" gnus-summary-show-all-threads t]
1616 ["Hide thread" gnus-summary-hide-thread t]
1617 ["Show thread" gnus-summary-show-thread t]
1618 ["Go to next thread" gnus-summary-next-thread t]
1619 ["Go to previous thread" gnus-summary-prev-thread t]
1620 ["Go down thread" gnus-summary-down-thread t]
1621 ["Go up thread" gnus-summary-up-thread t]
1622 ["Top of thread" gnus-summary-top-thread t]
1623 ["Mark thread as read" gnus-summary-kill-thread t]
1624 ["Lower thread score" gnus-summary-lower-thread t]
1625 ["Raise thread score" gnus-summary-raise-thread t]
1626 ["Rethread current" gnus-summary-rethread-current t]
1630 gnus-summary-post-menu gnus-summary-mode-map ""
1632 ["Post an article" gnus-summary-post-news t]
1633 ["Followup" gnus-summary-followup t]
1634 ["Followup and yank" gnus-summary-followup-with-original t]
1635 ["Supersede article" gnus-summary-supersede-article t]
1636 ["Cancel article" gnus-summary-cancel-article t]
1637 ["Reply" gnus-summary-reply t]
1638 ["Reply and yank" gnus-summary-reply-with-original t]
1639 ["Wide reply" gnus-summary-wide-reply t]
1640 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1641 ["Mail forward" gnus-summary-mail-forward t]
1642 ["Post forward" gnus-summary-post-forward t]
1643 ["Digest and mail" gnus-uu-digest-mail-forward t]
1644 ["Digest and post" gnus-uu-digest-post-forward t]
1645 ["Resend message" gnus-summary-resend-message t]
1646 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1647 ["Send a mail" gnus-summary-mail-other-window t]
1648 ["Uuencode and post" gnus-uu-post-news t]
1649 ["Followup via news" gnus-summary-followup-to-mail t]
1650 ["Followup via news and yank"
1651 gnus-summary-followup-to-mail-with-original t]
1653 ;;["Send" gnus-summary-send-draft t]
1654 ;;["Send bounced" gnus-resend-bounced-mail t])
1658 gnus-summary-misc-menu gnus-summary-mode-map ""
1661 ["Mark as read" gnus-summary-mark-as-read-forward t]
1662 ["Mark same subject and select"
1663 gnus-summary-kill-same-subject-and-select t]
1664 ["Mark same subject" gnus-summary-kill-same-subject t]
1665 ["Catchup" gnus-summary-catchup t]
1666 ["Catchup all" gnus-summary-catchup-all t]
1667 ["Catchup to here" gnus-summary-catchup-to-here t]
1668 ["Catchup region" gnus-summary-mark-region-as-read t]
1669 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1671 ["Tick" gnus-summary-tick-article-forward t]
1672 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1673 ["Remove marks" gnus-summary-clear-mark-forward t]
1674 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1675 ["Set bookmark" gnus-summary-set-bookmark t]
1676 ["Remove bookmark" gnus-summary-remove-bookmark t])
1678 ["Marks..." gnus-summary-limit-to-marks t]
1679 ["Subject..." gnus-summary-limit-to-subject t]
1680 ["Author..." gnus-summary-limit-to-author t]
1681 ["Age..." gnus-summary-limit-to-age t]
1682 ["Score" gnus-summary-limit-to-score t]
1683 ["Unread" gnus-summary-limit-to-unread t]
1684 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1685 ["Articles" gnus-summary-limit-to-articles t]
1686 ["Pop limit" gnus-summary-pop-limit t]
1687 ["Show dormant" gnus-summary-limit-include-dormant t]
1688 ["Hide childless dormant"
1689 gnus-summary-limit-exclude-childless-dormant t]
1690 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1691 ["Show expunged" gnus-summary-show-all-expunged t])
1693 ["Set mark" gnus-summary-mark-as-processable t]
1694 ["Remove mark" gnus-summary-unmark-as-processable t]
1695 ["Remove all marks" gnus-summary-unmark-all-processable t]
1696 ["Mark above" gnus-uu-mark-over t]
1697 ["Mark series" gnus-uu-mark-series t]
1698 ["Mark region" gnus-uu-mark-region t]
1699 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1700 ["Mark all" gnus-uu-mark-all t]
1701 ["Mark buffer" gnus-uu-mark-buffer t]
1702 ["Mark sparse" gnus-uu-mark-sparse t]
1703 ["Mark thread" gnus-uu-mark-thread t]
1704 ["Unmark thread" gnus-uu-unmark-thread t]
1705 ("Process Mark Sets"
1706 ["Kill" gnus-summary-kill-process-mark t]
1707 ["Yank" gnus-summary-yank-process-mark
1708 gnus-newsgroup-process-stack]
1709 ["Save" gnus-summary-save-process-mark t]))
1711 ["Page forward" gnus-summary-next-page t]
1712 ["Page backward" gnus-summary-prev-page t]
1713 ["Line forward" gnus-summary-scroll-up t])
1715 ["Next unread article" gnus-summary-next-unread-article t]
1716 ["Previous unread article" gnus-summary-prev-unread-article t]
1717 ["Next article" gnus-summary-next-article t]
1718 ["Previous article" gnus-summary-prev-article t]
1719 ["Next unread subject" gnus-summary-next-unread-subject t]
1720 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1721 ["Next article same subject" gnus-summary-next-same-subject t]
1722 ["Previous article same subject" gnus-summary-prev-same-subject t]
1723 ["First unread article" gnus-summary-first-unread-article t]
1724 ["Best unread article" gnus-summary-best-unread-article t]
1725 ["Go to subject number..." gnus-summary-goto-subject t]
1726 ["Go to article number..." gnus-summary-goto-article t]
1727 ["Go to the last article" gnus-summary-goto-last-article t]
1728 ["Pop article off history" gnus-summary-pop-article t])
1730 ["Sort by number" gnus-summary-sort-by-number t]
1731 ["Sort by author" gnus-summary-sort-by-author t]
1732 ["Sort by subject" gnus-summary-sort-by-subject t]
1733 ["Sort by date" gnus-summary-sort-by-date t]
1734 ["Sort by score" gnus-summary-sort-by-score t]
1735 ["Sort by lines" gnus-summary-sort-by-lines t])
1737 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1738 ["Describe group" gnus-summary-describe-group t]
1739 ["Read manual" gnus-info-find-node t])
1741 ["Pick and read" gnus-pick-mode t]
1742 ["Binary" gnus-binary-mode t])
1744 ["Regenerate" gnus-summary-prepare t]
1745 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1746 ["Toggle threading" gnus-summary-toggle-threads t])
1747 ["Filter articles..." gnus-summary-execute-command t]
1748 ["Run command on subjects..." gnus-summary-universal-argument t]
1749 ["Search articles forward..." gnus-summary-search-article-forward t]
1750 ["Search articles backward..." gnus-summary-search-article-backward t]
1751 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1752 ["Expand window" gnus-summary-expand-window t]
1753 ["Expire expirable articles" gnus-summary-expire-articles
1754 (gnus-check-backend-function
1755 'request-expire-articles gnus-newsgroup-name)]
1756 ["Edit local kill file" gnus-summary-edit-local-kill t]
1757 ["Edit main kill file" gnus-summary-edit-global-kill t]
1759 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1760 ["Catchup all and exit" gnus-summary-catchup-and-exit t]
1761 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1762 ["Exit group" gnus-summary-exit t]
1763 ["Exit group without updating" gnus-summary-exit-no-update t]
1764 ["Exit and goto next group" gnus-summary-next-group t]
1765 ["Exit and goto prev group" gnus-summary-prev-group t]
1766 ["Reselect group" gnus-summary-reselect-current-group t]
1767 ["Rescan group" gnus-summary-rescan-group t]
1768 ["Update dribble" gnus-summary-save-newsrc t])))
1770 (run-hooks 'gnus-summary-menu-hook)))
1772 (defun gnus-score-set-default (var value)
1773 "A version of set that updates the GNU Emacs menu-bar."
1775 ;; It is the message that forces the active status to be updated.
1778 (defun gnus-make-score-map (type)
1779 "Make a summary score map of type TYPE."
1782 (let ((headers '(("author" "from" string)
1783 ("subject" "subject" string)
1784 ("article body" "body" string)
1785 ("article head" "head" string)
1786 ("xref" "xref" string)
1787 ("lines" "lines" number)
1788 ("followups to author" "followup" string)))
1789 (types '((number ("less than" <)
1792 (string ("substring" s)
1796 (perms '(("temporary" (current-time-string))
1804 (if (eq type 'lower)
1809 (setq header (car headers))
1815 (let ((ts (cdr (assoc (nth 2 header) types)))
1831 'gnus-summary-score-entry
1833 (if (or (string= (nth 1 header)
1835 (string= (nth 1 header)
1838 (list 'gnus-summary-header
1840 (list 'quote (nth 1 (car ts)))
1841 (list 'gnus-score-default nil)
1847 (list (nreverse outp))))
1850 (list (nreverse outt))))
1852 (setq headers (cdr headers)))
1853 (list (nreverse outh))))))))
1857 (defun gnus-summary-mode (&optional group)
1858 "Major mode for reading articles.
1860 All normal editing commands are switched off.
1861 \\<gnus-summary-mode-map>
1862 Each line in this buffer represents one article. To read an
1863 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1864 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1867 You can also post articles and send mail from this buffer. To
1868 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1869 of an article, type `\\[gnus-summary-reply]'.
1871 There are approx. one gazillion commands you can execute in this
1872 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1874 The following commands are available:
1876 \\{gnus-summary-mode-map}"
1878 (when (gnus-visual-p 'summary-menu 'menu)
1879 (gnus-summary-make-menu-bar))
1880 (kill-all-local-variables)
1881 (gnus-summary-make-local-variables)
1882 (gnus-make-thread-indent-array)
1883 (gnus-simplify-mode-line)
1884 (setq major-mode 'gnus-summary-mode)
1885 (setq mode-name "Summary")
1886 (make-local-variable 'minor-mode-alist)
1887 (use-local-map gnus-summary-mode-map)
1888 (buffer-disable-undo (current-buffer))
1889 (setq buffer-read-only t) ;Disable modification
1890 (setq truncate-lines t)
1891 (setq selective-display t)
1892 (setq selective-display-ellipses t) ;Display `...'
1893 (setq buffer-display-table gnus-summary-display-table)
1894 (gnus-set-default-directory)
1895 (setq gnus-newsgroup-name group)
1896 (make-local-variable 'gnus-summary-line-format)
1897 (make-local-variable 'gnus-summary-line-format-spec)
1898 (make-local-variable 'gnus-summary-mark-positions)
1899 (make-local-hook 'post-command-hook)
1900 (gnus-add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
1901 (run-hooks 'gnus-summary-mode-hook)
1902 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
1903 (gnus-update-summary-mark-positions))
1905 (defun gnus-summary-make-local-variables ()
1906 "Make all the local summary buffer variables."
1907 (let ((locals gnus-summary-local-variables)
1909 (while (setq local (pop locals))
1912 (if (eq (cdr local) 'global)
1913 ;; Copy the global value of the variable.
1914 (setq global (symbol-value (car local)))
1915 ;; Use the value from the list.
1916 (setq global (eval (cdr local))))
1917 (make-local-variable (car local))
1918 (set (car local) global))
1919 ;; Simple nil-valued local variable.
1920 (make-local-variable local)
1923 (defun gnus-summary-clear-local-variables ()
1924 (let ((locals gnus-summary-local-variables))
1926 (if (consp (car locals))
1927 (and (vectorp (caar locals))
1928 (set (caar locals) nil))
1929 (and (vectorp (car locals))
1930 (set (car locals) nil)))
1931 (setq locals (cdr locals)))))
1933 ;; Summary data functions.
1935 (defmacro gnus-data-number (data)
1938 (defmacro gnus-data-set-number (data number)
1939 `(setcar ,data ,number))
1941 (defmacro gnus-data-mark (data)
1944 (defmacro gnus-data-set-mark (data mark)
1945 `(setcar (nthcdr 1 ,data) ,mark))
1947 (defmacro gnus-data-pos (data)
1950 (defmacro gnus-data-set-pos (data pos)
1951 `(setcar (nthcdr 2 ,data) ,pos))
1953 (defmacro gnus-data-header (data)
1956 (defmacro gnus-data-set-header (data header)
1957 `(setf (nth 3 ,data) ,header))
1959 (defmacro gnus-data-level (data)
1962 (defmacro gnus-data-unread-p (data)
1963 `(= (nth 1 ,data) gnus-unread-mark))
1965 (defmacro gnus-data-read-p (data)
1966 `(/= (nth 1 ,data) gnus-unread-mark))
1968 (defmacro gnus-data-pseudo-p (data)
1969 `(consp (nth 3 ,data)))
1971 (defmacro gnus-data-find (number)
1972 `(assq ,number gnus-newsgroup-data))
1974 (defmacro gnus-data-find-list (number &optional data)
1975 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
1976 (memq (assq ,number bdata)
1979 (defmacro gnus-data-make (number mark pos header level)
1980 `(list ,number ,mark ,pos ,header ,level))
1982 (defun gnus-data-enter (after-article number mark pos header level offset)
1983 (let ((data (gnus-data-find-list after-article)))
1985 (error "No such article: %d" after-article))
1986 (setcdr data (cons (gnus-data-make number mark pos header level)
1988 (setq gnus-newsgroup-data-reverse nil)
1989 (gnus-data-update-list (cddr data) offset)))
1991 (defun gnus-data-enter-list (after-article list &optional offset)
1993 (let ((data (and after-article (gnus-data-find-list after-article)))
1995 (or data (not after-article) (error "No such article: %d" after-article))
1996 ;; Find the last element in the list to be spliced into the main
1999 (setq list (cdr list)))
2002 (setcdr list gnus-newsgroup-data)
2003 (setq gnus-newsgroup-data ilist)
2005 (gnus-data-update-list (cdr list) offset)))
2006 (setcdr list (cdr data))
2009 (gnus-data-update-list (cdr list) offset)))
2010 (setq gnus-newsgroup-data-reverse nil))))
2012 (defun gnus-data-remove (article &optional offset)
2013 (let ((data gnus-newsgroup-data))
2014 (if (= (gnus-data-number (car data)) article)
2016 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2017 gnus-newsgroup-data-reverse nil)
2019 (gnus-data-update-list gnus-newsgroup-data offset)))
2021 (when (= (gnus-data-number (cadr data)) article)
2022 (setcdr data (cddr data))
2024 (gnus-data-update-list (cdr data) offset))
2026 gnus-newsgroup-data-reverse nil))
2027 (setq data (cdr data))))))
2029 (defmacro gnus-data-list (backward)
2031 (or gnus-newsgroup-data-reverse
2032 (setq gnus-newsgroup-data-reverse
2033 (reverse gnus-newsgroup-data)))
2034 gnus-newsgroup-data))
2036 (defun gnus-data-update-list (data offset)
2037 "Add OFFSET to the POS of all data entries in DATA."
2039 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2040 (setq data (cdr data))))
2042 (defun gnus-data-compute-positions ()
2043 "Compute the positions of all articles."
2044 (let ((data gnus-newsgroup-data)
2047 (when (setq pos (text-property-any
2048 (point-min) (point-max)
2049 'gnus-number (gnus-data-number (car data))))
2050 (gnus-data-set-pos (car data) (+ pos 3)))
2051 (setq data (cdr data)))))
2053 (defun gnus-summary-article-pseudo-p (article)
2054 "Say whether this article is a pseudo article or not."
2055 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2057 (defmacro gnus-summary-article-sparse-p (article)
2058 "Say whether this article is a sparse article or not."
2059 ` (memq ,article gnus-newsgroup-sparse))
2061 (defmacro gnus-summary-article-ancient-p (article)
2062 "Say whether this article is a sparse article or not."
2063 `(memq ,article gnus-newsgroup-ancient))
2065 (defun gnus-article-parent-p (number)
2066 "Say whether this article is a parent or not."
2067 (let ((data (gnus-data-find-list number)))
2068 (and (cdr data) ; There has to be an article after...
2069 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2070 (gnus-data-level (nth 1 data))))))
2072 (defun gnus-article-children (number)
2073 "Return a list of all children to NUMBER."
2074 (let* ((data (gnus-data-find-list number))
2075 (level (gnus-data-level (car data)))
2077 (setq data (cdr data))
2079 (= (gnus-data-level (car data)) (1+ level)))
2080 (push (gnus-data-number (car data)) children)
2081 (setq data (cdr data)))
2084 (defmacro gnus-summary-skip-intangible ()
2085 "If the current article is intangible, then jump to a different article."
2086 '(let ((to (get-text-property (point) 'gnus-intangible)))
2087 (and to (gnus-summary-goto-subject to))))
2089 (defmacro gnus-summary-article-intangible-p ()
2090 "Say whether this article is intangible or not."
2091 '(get-text-property (point) 'gnus-intangible))
2093 (defun gnus-article-read-p (article)
2094 "Say whether ARTICLE is read or not."
2095 (not (or (memq article gnus-newsgroup-marked)
2096 (memq article gnus-newsgroup-unreads)
2097 (memq article gnus-newsgroup-unselected)
2098 (memq article gnus-newsgroup-dormant))))
2100 ;; Some summary mode macros.
2102 (defmacro gnus-summary-article-number ()
2103 "The article number of the article on the current line.
2104 If there isn's an article number here, then we return the current
2107 (gnus-summary-skip-intangible)
2108 (or (get-text-property (point) 'gnus-number)
2109 (gnus-summary-last-subject))))
2111 (defmacro gnus-summary-article-header (&optional number)
2112 `(gnus-data-header (gnus-data-find
2113 ,(or number '(gnus-summary-article-number)))))
2115 (defmacro gnus-summary-thread-level (&optional number)
2116 `(if (and (eq gnus-summary-make-false-root 'dummy)
2117 (get-text-property (point) 'gnus-intangible))
2119 (gnus-data-level (gnus-data-find
2120 ,(or number '(gnus-summary-article-number))))))
2122 (defmacro gnus-summary-article-mark (&optional number)
2123 `(gnus-data-mark (gnus-data-find
2124 ,(or number '(gnus-summary-article-number)))))
2126 (defmacro gnus-summary-article-pos (&optional number)
2127 `(gnus-data-pos (gnus-data-find
2128 ,(or number '(gnus-summary-article-number)))))
2130 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2131 (defmacro gnus-summary-article-subject (&optional number)
2132 "Return current subject string or nil if nothing."
2135 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2136 '(gnus-data-header (assq (gnus-summary-article-number)
2137 gnus-newsgroup-data)))))
2140 (mail-header-subject headers))))
2142 (defmacro gnus-summary-article-score (&optional number)
2143 "Return current article score."
2144 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2145 gnus-newsgroup-scored))
2146 gnus-summary-default-score 0))
2148 (defun gnus-summary-article-children (&optional number)
2149 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2150 (level (gnus-data-level (car data)))
2152 (while (and (setq data (cdr data))
2153 (> (setq l (gnus-data-level (car data))) level))
2154 (and (= (1+ level) l)
2155 (push (gnus-data-number (car data))
2157 (nreverse children)))
2159 (defun gnus-summary-article-parent (&optional number)
2160 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2161 (gnus-data-list t)))
2162 (level (gnus-data-level (car data))))
2164 () ; This is a root.
2165 ;; We search until we find an article with a level less than
2166 ;; this one. That function has to be the parent.
2167 (while (and (setq data (cdr data))
2168 (not (< (gnus-data-level (car data)) level))))
2169 (and data (gnus-data-number (car data))))))
2171 (defun gnus-unread-mark-p (mark)
2172 "Say whether MARK is the unread mark."
2173 (= mark gnus-unread-mark))
2175 (defun gnus-read-mark-p (mark)
2176 "Say whether MARK is one of the marks that mark as read.
2177 This is all marks except unread, ticked, dormant, and expirable."
2178 (not (or (= mark gnus-unread-mark)
2179 (= mark gnus-ticked-mark)
2180 (= mark gnus-dormant-mark)
2181 (= mark gnus-expirable-mark))))
2183 (defmacro gnus-article-mark (number)
2185 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2186 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2187 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2188 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2189 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2190 gnus-ancient-mark))))
2192 ;; Saving hidden threads.
2194 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2195 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2197 (defmacro gnus-save-hidden-threads (&rest forms)
2198 "Save hidden threads, eval FORMS, and restore the hidden threads."
2199 (let ((config (make-symbol "config")))
2200 `(let ((,config (gnus-hidden-threads-configuration)))
2204 (gnus-restore-hidden-threads-configuration ,config)))))
2206 (defun gnus-hidden-threads-configuration ()
2207 "Return the current hidden threads configuration."
2210 (goto-char (point-min))
2211 (while (search-forward "\r" nil t)
2212 (push (1- (point)) config))
2215 (defun gnus-restore-hidden-threads-configuration (config)
2216 "Restore hidden threads configuration from CONFIG."
2217 (let (point buffer-read-only)
2218 (while (setq point (pop config))
2219 (when (and (< point (point-max))
2221 (= (following-char) ?\n))
2222 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2224 ;; Various summary mode internalish functions.
2226 (defun gnus-mouse-pick-article (e)
2229 (gnus-summary-next-page nil t))
2231 (defun gnus-summary-setup-buffer (group)
2232 "Initialize summary buffer."
2233 (let ((buffer (concat "*Summary " group "*")))
2234 (if (get-buffer buffer)
2237 (setq gnus-summary-buffer (current-buffer))
2238 (not gnus-newsgroup-prepared))
2239 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2240 (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer)))
2241 (gnus-add-current-to-buffer-list)
2242 (gnus-summary-mode group)
2244 (gnus-carpal-setup-buffer 'summary))
2245 (unless gnus-single-article-buffer
2246 (make-local-variable 'gnus-article-buffer)
2247 (make-local-variable 'gnus-article-current)
2248 (make-local-variable 'gnus-original-article-buffer))
2249 (setq gnus-newsgroup-name group)
2252 (defun gnus-set-global-variables ()
2253 ;; Set the global equivalents of the summary buffer-local variables
2254 ;; to the latest values they had. These reflect the summary buffer
2255 ;; that was in action when the last article was fetched.
2256 (when (eq major-mode 'gnus-summary-mode)
2257 (setq gnus-summary-buffer (current-buffer))
2258 (let ((name gnus-newsgroup-name)
2259 (marked gnus-newsgroup-marked)
2260 (unread gnus-newsgroup-unreads)
2261 (headers gnus-current-headers)
2262 (data gnus-newsgroup-data)
2263 (summary gnus-summary-buffer)
2264 (article-buffer gnus-article-buffer)
2265 (original gnus-original-article-buffer)
2266 (gac gnus-article-current)
2267 (reffed gnus-reffed-article-number)
2268 (score-file gnus-current-score-file))
2270 (set-buffer gnus-group-buffer)
2271 (setq gnus-newsgroup-name name)
2272 (setq gnus-newsgroup-marked marked)
2273 (setq gnus-newsgroup-unreads unread)
2274 (setq gnus-current-headers headers)
2275 (setq gnus-newsgroup-data data)
2276 (setq gnus-article-current gac)
2277 (setq gnus-summary-buffer summary)
2278 (setq gnus-article-buffer article-buffer)
2279 (setq gnus-original-article-buffer original)
2280 (setq gnus-reffed-article-number reffed)
2281 (setq gnus-current-score-file score-file)
2282 ;; The article buffer also has local variables.
2283 (when (gnus-buffer-live-p gnus-article-buffer)
2284 (set-buffer gnus-article-buffer)
2285 (setq gnus-summary-buffer summary))))))
2287 (defun gnus-summary-article-unread-p (article)
2288 "Say whether ARTICLE is unread or not."
2289 (memq article gnus-newsgroup-unreads))
2291 (defun gnus-summary-first-article-p (&optional article)
2292 "Return whether ARTICLE is the first article in the buffer."
2293 (if (not (setq article (or article (gnus-summary-article-number))))
2295 (eq article (caar gnus-newsgroup-data))))
2297 (defun gnus-summary-last-article-p (&optional article)
2298 "Return whether ARTICLE is the last article in the buffer."
2299 (if (not (setq article (or article (gnus-summary-article-number))))
2300 t ; All non-existent numbers are the last article. :-)
2301 (not (cdr (gnus-data-find-list article)))))
2303 (defun gnus-make-thread-indent-array ()
2305 (unless (and gnus-thread-indent-array
2306 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2307 (setq gnus-thread-indent-array (make-vector 201 "")
2308 gnus-thread-indent-array-level gnus-thread-indent-level)
2310 (aset gnus-thread-indent-array n
2311 (make-string (* n gnus-thread-indent-level) ? ))
2314 (defun gnus-update-summary-mark-positions ()
2315 "Compute where the summary marks are to go."
2317 (when (and gnus-summary-buffer
2318 (get-buffer gnus-summary-buffer)
2319 (buffer-name (get-buffer gnus-summary-buffer)))
2320 (set-buffer gnus-summary-buffer))
2321 (let ((gnus-replied-mark 129)
2322 (gnus-score-below-mark 130)
2323 (gnus-score-over-mark 130)
2324 (spec gnus-summary-line-format-spec)
2325 thread gnus-visual pos)
2327 (gnus-set-work-buffer)
2328 (let ((gnus-summary-line-format-spec spec))
2329 (gnus-summary-insert-line
2330 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
2331 (goto-char (point-min))
2332 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2334 (goto-char (point-min))
2335 (push (cons 'replied (and (search-forward "\201" nil t)
2338 (goto-char (point-min))
2339 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2341 (setq gnus-summary-mark-positions pos))))
2343 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2344 "Insert a dummy root in the summary buffer."
2346 (gnus-add-text-properties
2347 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2348 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2350 (defun gnus-summary-insert-line (gnus-tmp-header
2351 gnus-tmp-level gnus-tmp-current
2352 gnus-tmp-unread gnus-tmp-replied
2353 gnus-tmp-expirable gnus-tmp-subject-or-nil
2354 &optional gnus-tmp-dummy gnus-tmp-score
2356 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2357 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2358 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2359 (gnus-tmp-score-char
2360 (if (or (null gnus-summary-default-score)
2361 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2362 gnus-summary-zcore-fuzz))
2364 (if (< gnus-tmp-score gnus-summary-default-score)
2365 gnus-score-below-mark gnus-score-over-mark)))
2367 (cond (gnus-tmp-process gnus-process-mark)
2368 ((memq gnus-tmp-current gnus-newsgroup-cached)
2370 (gnus-tmp-replied gnus-replied-mark)
2371 ((memq gnus-tmp-current gnus-newsgroup-saved)
2373 (t gnus-unread-mark)))
2374 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2377 ((string-match "<[^>]+> *$" gnus-tmp-from)
2378 (let ((beg (match-beginning 0)))
2379 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2380 (substring gnus-tmp-from (1+ (match-beginning 0))
2381 (1- (match-end 0))))
2382 (substring gnus-tmp-from 0 beg))))
2383 ((string-match "(.+)" gnus-tmp-from)
2384 (substring gnus-tmp-from
2385 (1+ (match-beginning 0)) (1- (match-end 0))))
2387 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2388 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2389 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2390 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2391 (buffer-read-only nil))
2392 (when (string= gnus-tmp-name "")
2393 (setq gnus-tmp-name gnus-tmp-from))
2394 (unless (numberp gnus-tmp-lines)
2395 (setq gnus-tmp-lines 0))
2396 (gnus-put-text-property
2398 (progn (eval gnus-summary-line-format-spec) (point))
2399 'gnus-number gnus-tmp-number)
2400 (when (gnus-visual-p 'summary-highlight 'highlight)
2402 (run-hooks 'gnus-summary-update-hook)
2405 (defun gnus-summary-update-line (&optional dont-update)
2406 ;; Update summary line after change.
2407 (when (and gnus-summary-default-score
2408 (not gnus-summary-inhibit-highlight))
2409 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2410 (article (gnus-summary-article-number))
2411 (score (gnus-summary-article-score article)))
2413 (if (and gnus-summary-mark-below
2414 (< (gnus-summary-article-score)
2415 gnus-summary-mark-below))
2416 ;; This article has a low score, so we mark it as read.
2417 (when (memq article gnus-newsgroup-unreads)
2418 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2419 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2420 ;; This article was previously marked as read on account
2421 ;; of a low score, but now it has risen, so we mark it as
2423 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2424 (gnus-summary-update-mark
2425 (if (or (null gnus-summary-default-score)
2426 (<= (abs (- score gnus-summary-default-score))
2427 gnus-summary-zcore-fuzz))
2429 (if (< score gnus-summary-default-score)
2430 gnus-score-below-mark gnus-score-over-mark))
2432 ;; Do visual highlighting.
2433 (when (gnus-visual-p 'summary-highlight 'highlight)
2434 (run-hooks 'gnus-summary-update-hook)))))
2436 (defvar gnus-tmp-new-adopts nil)
2438 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2439 "Return the number of articles in THREAD.
2440 This may be 0 in some cases -- if none of the articles in
2441 the thread are to be displayed."
2443 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2445 ((not (listp thread))
2447 ((and (consp thread) (cdr thread))
2450 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2453 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2456 (when (and level (zerop level) gnus-tmp-new-adopts)
2459 'gnus-summary-number-of-articles-in-thread
2460 gnus-tmp-new-adopts))))
2462 (if (> number 1) gnus-not-empty-thread-mark
2463 gnus-empty-thread-mark)
2466 (defun gnus-summary-set-local-parameters (group)
2467 "Go through the local params of GROUP and set all variable specs in that list."
2468 (let ((params (gnus-group-find-parameter group))
2471 (setq elem (car params)
2472 params (cdr params))
2473 (and (consp elem) ; Has to be a cons.
2474 (consp (cdr elem)) ; The cdr has to be a list.
2475 (symbolp (car elem)) ; Has to be a symbol in there.
2476 (not (memq (car elem)
2477 '(quit-config to-address to-list to-group)))
2478 (progn ; So we set it.
2479 (make-local-variable (car elem))
2480 (set (car elem) (eval (nth 1 elem))))))))
2482 (defun gnus-summary-read-group (group &optional show-all no-article
2483 kill-buffer no-display)
2484 "Start reading news in newsgroup GROUP.
2485 If SHOW-ALL is non-nil, already read articles are also listed.
2486 If NO-ARTICLE is non-nil, no article is selected initially.
2487 If NO-DISPLAY, don't generate a summary buffer."
2488 ;; Killed foreign groups can't be entered.
2489 (when (and (not (gnus-group-native-p group))
2490 (not (gnus-gethash group gnus-newsrc-hashtb)))
2491 (error "Dead non-native groups can't be entered"))
2492 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2493 (let* ((new-group (gnus-summary-setup-buffer group))
2494 (quit-config (gnus-group-quit-config group))
2495 (did-select (and new-group (gnus-select-newsgroup group show-all))))
2497 ;; This summary buffer exists already, so we just select it.
2499 (gnus-set-global-variables)
2501 (gnus-kill-or-deaden-summary kill-buffer))
2502 (gnus-configure-windows 'summary 'force)
2503 (gnus-set-mode-line 'summary)
2504 (gnus-summary-position-point)
2507 ;; We couldn't select this group.
2509 (when (and (eq major-mode 'gnus-summary-mode)
2510 (not (equal (current-buffer) kill-buffer)))
2511 (kill-buffer (current-buffer))
2512 (if (not quit-config)
2514 (set-buffer gnus-group-buffer)
2515 (gnus-group-jump-to-group group)
2516 (gnus-group-next-unread-group 1))
2517 (gnus-handle-ephemeral-exit quit-config)))
2518 (gnus-message 3 "Can't select group")
2520 ;; The user did a `C-g' while prompting for number of articles,
2521 ;; so we exit this group.
2522 ((eq did-select 'quit)
2523 (and (eq major-mode 'gnus-summary-mode)
2524 (not (equal (current-buffer) kill-buffer))
2525 (kill-buffer (current-buffer)))
2527 (gnus-kill-or-deaden-summary kill-buffer))
2528 (if (not quit-config)
2530 (set-buffer gnus-group-buffer)
2531 (gnus-group-jump-to-group group)
2532 (gnus-group-next-unread-group 1)
2533 (gnus-configure-windows 'group 'force))
2534 (gnus-handle-ephemeral-exit quit-config))
2535 ;; Finally signal the quit.
2537 ;; The group was successfully selected.
2539 (gnus-set-global-variables)
2540 ;; Save the active value in effect when the group was entered.
2541 (setq gnus-newsgroup-active
2543 (gnus-active gnus-newsgroup-name)))
2544 ;; You can change the summary buffer in some way with this hook.
2545 (run-hooks 'gnus-select-group-hook)
2546 ;; Set any local variables in the group parameters.
2547 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2548 (gnus-update-format-specifications
2549 nil 'summary 'summary-mode 'summary-dummy)
2550 ;; Do score processing.
2551 (when gnus-use-scoring
2552 (gnus-possibly-score-headers))
2553 ;; Check whether to fill in the gaps in the threads.
2554 (when gnus-build-sparse-threads
2555 (gnus-build-sparse-threads))
2556 ;; Find the initial limit.
2557 (if gnus-show-threads
2559 (let ((gnus-newsgroup-dormant nil))
2560 (gnus-summary-initial-limit show-all))
2561 (gnus-summary-initial-limit show-all))
2562 (setq gnus-newsgroup-limit
2564 (lambda (header) (mail-header-number header))
2565 gnus-newsgroup-headers)))
2566 ;; Generate the summary buffer.
2568 (gnus-summary-prepare))
2569 (when gnus-use-trees
2570 (gnus-tree-open group)
2571 (setq gnus-summary-highlight-line-function
2572 'gnus-tree-highlight-article))
2573 ;; If the summary buffer is empty, but there are some low-scored
2574 ;; articles or some excluded dormants, we include these in the
2576 (when (and (zerop (buffer-size))
2578 (cond (gnus-newsgroup-dormant
2579 (gnus-summary-limit-include-dormant))
2580 ((and gnus-newsgroup-scored show-all)
2581 (gnus-summary-limit-include-expunged t))))
2582 ;; Function `gnus-apply-kill-file' must be called in this hook.
2583 (run-hooks 'gnus-apply-kill-hook)
2584 (if (and (zerop (buffer-size))
2587 ;; This newsgroup is empty.
2588 (gnus-summary-catchup-and-exit nil t) ;Without confirmations.
2589 (gnus-message 6 "No unread news")
2591 (gnus-kill-or-deaden-summary kill-buffer))
2592 ;; Return nil from this function.
2594 ;; Hide conversation thread subtrees. We cannot do this in
2595 ;; gnus-summary-prepare-hook since kill processing may not
2596 ;; work with hidden articles.
2597 (and gnus-show-threads
2598 gnus-thread-hide-subtree
2599 (gnus-summary-hide-all-threads))
2600 ;; Show first unread article if requested.
2601 (if (and (not no-article)
2603 gnus-newsgroup-unreads
2604 gnus-auto-select-first)
2605 (unless (if (eq gnus-auto-select-first 'best)
2606 (gnus-summary-best-unread-article)
2607 (gnus-summary-first-unread-article))
2608 (gnus-configure-windows 'summary))
2609 ;; Don't select any articles, just move point to the first
2610 ;; article in the group.
2611 (goto-char (point-min))
2612 (gnus-summary-position-point)
2613 (gnus-set-mode-line 'summary)
2614 (gnus-configure-windows 'summary 'force))
2616 (gnus-kill-or-deaden-summary kill-buffer))
2617 (when (get-buffer-window gnus-group-buffer t)
2618 ;; Gotta use windows, because recenter does weird stuff if
2619 ;; the current buffer ain't the displayed window.
2620 (let ((owin (selected-window)))
2621 (select-window (get-buffer-window gnus-group-buffer t))
2622 (when (gnus-group-goto-group group)
2624 (select-window owin))))
2625 ;; Mark this buffer as "prepared".
2626 (setq gnus-newsgroup-prepared t)
2629 (defun gnus-summary-prepare ()
2630 "Generate the summary buffer."
2632 (let ((buffer-read-only nil))
2634 (setq gnus-newsgroup-data nil
2635 gnus-newsgroup-data-reverse nil)
2636 (run-hooks 'gnus-summary-generate-hook)
2637 ;; Generate the buffer, either with threads or without.
2638 (when gnus-newsgroup-headers
2639 (gnus-summary-prepare-threads
2640 (if gnus-show-threads
2641 (gnus-sort-gathered-threads
2642 (funcall gnus-summary-thread-gathering-function
2644 (gnus-cut-threads (gnus-make-threads)))))
2645 ;; Unthreaded display.
2646 (gnus-sort-articles gnus-newsgroup-headers))))
2647 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2648 ;; Call hooks for modifying summary buffer.
2649 (goto-char (point-min))
2650 (run-hooks 'gnus-summary-prepare-hook)))
2652 (defsubst gnus-general-simplify-subject (subject)
2653 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2656 ;; Truncate the subject.
2657 ((numberp gnus-summary-gather-subject-limit)
2658 (setq subject (gnus-simplify-subject-re subject))
2659 (if (> (length subject) gnus-summary-gather-subject-limit)
2660 (substring subject 0 gnus-summary-gather-subject-limit)
2662 ;; Fuzzily simplify it.
2663 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2664 (gnus-simplify-subject-fuzzy subject))
2665 ;; Just remove the leading "Re:".
2667 (gnus-simplify-subject-re subject))))
2669 (if (and gnus-summary-gather-exclude-subject
2670 (string-match gnus-summary-gather-exclude-subject subject))
2671 nil ; This article shouldn't be gathered
2674 (defun gnus-summary-simplify-subject-query ()
2675 "Query where the respool algorithm would put this article."
2677 (gnus-set-global-variables)
2678 (gnus-summary-select-article)
2679 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
2681 (defun gnus-gather-threads-by-subject (threads)
2682 "Gather threads by looking at Subject headers."
2683 (if (not gnus-summary-make-false-root)
2685 (let ((hashtb (gnus-make-hashtable 1024))
2688 subject hthread whole-subject)
2690 (setq subject (gnus-general-simplify-subject
2691 (setq whole-subject (mail-header-subject
2694 (if (setq hthread (gnus-gethash subject hashtb))
2696 ;; We enter a dummy root into the thread, if we
2697 ;; haven't done that already.
2698 (unless (stringp (caar hthread))
2699 (setcar hthread (list whole-subject (car hthread))))
2700 ;; We add this new gathered thread to this gathered
2702 (setcdr (car hthread)
2703 (nconc (cdar hthread) (list (car threads))))
2704 ;; Remove it from the list of threads.
2705 (setcdr prev (cdr threads))
2706 (setq threads prev))
2707 ;; Enter this thread into the hash table.
2708 (gnus-sethash subject threads hashtb)))
2710 (setq threads (cdr threads)))
2713 (defun gnus-gather-threads-by-references (threads)
2714 "Gather threads by looking at References headers."
2715 (let ((idhashtb (gnus-make-hashtable 1024))
2716 (thhashtb (gnus-make-hashtable 1024))
2719 ids references id gthread gid entered ref)
2721 (when (setq references (mail-header-references (caar threads)))
2722 (setq id (mail-header-id (caar threads))
2723 ids (gnus-split-references references)
2725 (while (setq ref (pop ids))
2726 (setq ids (delete ref ids))
2727 (if (not (setq gid (gnus-gethash ref idhashtb)))
2729 (gnus-sethash ref id idhashtb)
2730 (gnus-sethash id threads thhashtb))
2731 (setq gthread (gnus-gethash gid thhashtb))
2733 ;; We enter a dummy root into the thread, if we
2734 ;; haven't done that already.
2735 (unless (stringp (caar gthread))
2736 (setcar gthread (list (mail-header-subject (caar gthread))
2738 ;; We add this new gathered thread to this gathered
2740 (setcdr (car gthread)
2741 (nconc (cdar gthread) (list (car threads)))))
2742 ;; Add it into the thread hash table.
2743 (gnus-sethash id gthread thhashtb)
2745 ;; Remove it from the list of threads.
2746 (setcdr prev (cdr threads))
2747 (setq threads prev))))
2749 (setq threads (cdr threads)))
2752 (defun gnus-sort-gathered-threads (threads)
2753 "Sort subtreads inside each gathered thread by article number."
2754 (let ((result threads))
2756 (when (stringp (caar threads))
2757 (setcdr (car threads)
2758 (sort (cdar threads) 'gnus-thread-sort-by-number)))
2759 (setq threads (cdr threads)))
2762 (defun gnus-thread-loop-p (root thread)
2763 "Say whether ROOT is in THREAD."
2764 (let ((th (cdr thread)))
2766 (not (eq (caar th) root)))
2769 ;; We have found a loop.
2771 (setcdr thread (delq (car th) (cdr thread)))
2772 (if (boundp (setq ref-dep (intern "none"
2773 gnus-newsgroup-dependencies)))
2774 (setcdr (symbol-value ref-dep)
2775 (nconc (cdr (symbol-value ref-dep))
2777 (set ref-dep (list nil (car th))))
2779 ;; Recurse down into the sub-threads and look for loops.
2782 (lambda (thread) (gnus-thread-loop-p root thread))
2785 (defun gnus-make-threads ()
2786 "Go through the dependency hashtb and find the roots. Return all threads."
2788 (while (catch 'infloop
2791 ;; Deal with self-referencing References loops.
2792 (when (and (car (symbol-value refs))
2799 (car (symbol-value refs)) thread))
2800 (cdr (symbol-value refs)))))))
2803 (unless (car (symbol-value refs))
2804 ;; These threads do not refer back to any other articles,
2805 ;; so they're roots.
2806 (setq threads (append (cdr (symbol-value refs)) threads))))
2807 gnus-newsgroup-dependencies)))
2810 (defun gnus-build-sparse-threads ()
2811 (let ((headers gnus-newsgroup-headers)
2812 (deps gnus-newsgroup-dependencies)
2813 header references generation relations
2814 cthread subject child end pthread relation)
2815 ;; First we create an alist of generations/relations, where
2816 ;; generations is how much we trust the relation, and the relation
2818 (gnus-message 7 "Making sparse threads...")
2820 (nnheader-set-temp-buffer " *gnus sparse threads*")
2821 (while (setq header (pop headers))
2822 (when (and (setq references (mail-header-references header))
2823 (not (string= references "")))
2825 (setq child (mail-header-id header)
2826 subject (mail-header-subject header))
2828 (while (search-backward ">" nil t)
2829 (setq end (1+ (point)))
2830 (when (search-backward "<" nil t)
2831 (push (list (incf generation)
2832 child (setq child (buffer-substring (point) end))
2835 (push (list (1+ generation) child nil subject) relations)
2837 (kill-buffer (current-buffer)))
2838 ;; Sort over trustworthiness.
2839 (setq relations (sort relations (lambda (r1 r2) (< (car r1) (car r2)))))
2840 (while (setq relation (pop relations))
2841 (when (if (boundp (setq cthread (intern (cadr relation) deps)))
2842 (unless (car (symbol-value cthread))
2843 ;; Make this article the parent of these threads.
2844 (setcar (symbol-value cthread)
2845 (vector gnus-reffed-article-number
2849 (or (caddr relation) "") 0 0 "")))
2850 (set cthread (list (vector gnus-reffed-article-number
2852 "" "" (cadr relation)
2853 (or (caddr relation) "") 0 0 ""))))
2854 (push gnus-reffed-article-number gnus-newsgroup-limit)
2855 (push gnus-reffed-article-number gnus-newsgroup-sparse)
2856 (push (cons gnus-reffed-article-number gnus-sparse-mark)
2857 gnus-newsgroup-reads)
2858 (decf gnus-reffed-article-number)
2859 ;; Make this new thread the child of its parent.
2860 (if (boundp (setq pthread (intern (or (caddr relation) "none") deps)))
2861 (setcdr (symbol-value pthread)
2862 (nconc (cdr (symbol-value pthread))
2863 (list (symbol-value cthread))))
2864 (set pthread (list nil (symbol-value cthread))))))
2865 (gnus-message 7 "Making sparse threads...done")))
2867 (defun gnus-build-old-threads ()
2868 ;; Look at all the articles that refer back to old articles, and
2869 ;; fetch the headers for the articles that aren't there. This will
2870 ;; build complete threads - if the roots haven't been expired by the
2875 (when (not (car (symbol-value refs)))
2876 (setq heads (cdr (symbol-value refs)))
2878 (if (memq (mail-header-number (caar heads))
2879 gnus-newsgroup-dormant)
2880 (setq heads (cdr heads))
2881 (setq id (symbol-name refs))
2882 (while (and (setq id (gnus-build-get-header id))
2883 (not (car (gnus-gethash
2884 id gnus-newsgroup-dependencies)))))
2885 (setq heads nil)))))
2886 gnus-newsgroup-dependencies)))
2888 (defun gnus-build-get-header (id)
2889 ;; Look through the buffer of NOV lines and find the header to
2890 ;; ID. Enter this line into the dependencies hash table, and return
2891 ;; the id of the parent article (if any).
2892 (let ((deps gnus-newsgroup-dependencies)
2896 (set-buffer nntp-server-buffer)
2897 (goto-char (point-min))
2898 (while (and (not found) (search-forward id nil t))
2900 (setq found (looking-at
2901 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
2902 (regexp-quote id))))
2903 (or found (beginning-of-line 2)))
2907 (setq header (gnus-nov-parse-line
2908 (read (current-buffer)) deps))
2909 (gnus-parent-id (mail-header-references header)))))
2911 (let ((number (mail-header-number header)))
2912 (push number gnus-newsgroup-limit)
2913 (push header gnus-newsgroup-headers)
2914 (if (memq number gnus-newsgroup-unselected)
2916 (push number gnus-newsgroup-unreads)
2917 (setq gnus-newsgroup-unselected
2918 (delq number gnus-newsgroup-unselected)))
2919 (push number gnus-newsgroup-ancient)))))))
2921 (defun gnus-summary-update-article-line (article header)
2922 "Update the line for ARTICLE using HEADERS."
2923 (let* ((id (mail-header-id header))
2924 (thread (gnus-id-to-thread id)))
2926 (error "Article in no thread"))
2927 ;; Update the thread.
2928 (setcar thread header)
2929 (gnus-summary-goto-subject article)
2930 (let* ((datal (gnus-data-find-list article))
2932 (length (when (cdr datal)
2933 (- (gnus-data-pos data)
2934 (gnus-data-pos (cadr datal)))))
2935 (buffer-read-only nil)
2936 (level (gnus-summary-thread-level)))
2938 (gnus-summary-insert-line
2939 header level nil (gnus-article-mark article)
2940 (memq article gnus-newsgroup-replied)
2941 (memq article gnus-newsgroup-expirable)
2942 (mail-header-subject header)
2943 nil (cdr (assq article gnus-newsgroup-scored))
2944 (memq article gnus-newsgroup-processable))
2946 (gnus-data-update-list
2947 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
2949 (defun gnus-summary-update-article (article &optional iheader)
2950 "Update ARTICLE in the summary buffer."
2951 (set-buffer gnus-summary-buffer)
2952 (let* ((header (or iheader (gnus-summary-article-header article)))
2953 (id (mail-header-id header))
2954 (data (gnus-data-find article))
2955 (thread (gnus-id-to-thread id))
2956 (references (mail-header-references header))
2960 (when (and references
2961 (not (equal "" references)))
2964 (buffer-read-only nil)
2966 (number (mail-header-number header))
2969 ;; !!! Should this be in or not?
2971 (setcar thread nil))
2973 (delq thread parent))
2974 (if (gnus-summary-insert-subject id header iheader)
2975 ;; Set the (possibly) new article number in the data structure.
2976 (gnus-data-set-number data (gnus-id-to-article id))
2980 (defun gnus-rebuild-thread (id)
2981 "Rebuild the thread containing ID."
2982 (let ((buffer-read-only nil)
2983 old-pos current thread data)
2984 (if (not gnus-show-threads)
2985 (setq thread (list (car (gnus-id-to-thread id))))
2986 ;; Get the thread this article is part of.
2987 (setq thread (gnus-remove-thread id)))
2988 (setq old-pos (gnus-point-at-bol))
2989 (setq current (save-excursion
2990 (and (zerop (forward-line -1))
2991 (gnus-summary-article-number))))
2992 ;; If this is a gathered thread, we have to go some re-gathering.
2993 (when (stringp (car thread))
2994 (let ((subject (car thread))
2996 (setq thread (cdr thread))
2998 (unless (memq (setq thr (gnus-id-to-thread
3000 (mail-header-id (caar thread)))))
3003 (setq thread (cdr thread)))
3004 ;; We now have all (unique) roots.
3005 (if (= (length roots) 1)
3006 ;; All the loose roots are now one solid root.
3007 (setq thread (car roots))
3008 (setq thread (cons subject (gnus-sort-threads roots))))))
3010 ;; We then insert this thread into the summary buffer.
3011 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3012 (if gnus-show-threads
3013 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3014 (gnus-summary-prepare-unthreaded thread))
3015 (setq data (nreverse gnus-newsgroup-data))
3016 (setq threads gnus-newsgroup-threads))
3017 ;; We splice the new data into the data structure.
3018 (gnus-data-enter-list current data (- (point) old-pos))
3019 (setq gnus-newsgroup-threads (nconc threads gnus-newsgroup-threads)))))
3021 (defun gnus-number-to-header (number)
3022 "Return the header for article NUMBER."
3023 (let ((headers gnus-newsgroup-headers))
3025 (not (= number (mail-header-number (car headers)))))
3030 (defun gnus-parent-headers (headers &optional generation)
3031 "Return the headers of the GENERATIONeth parent of HEADERS."
3033 (setq generation 1))
3034 (let (references parent)
3035 (while (and headers (not (zerop generation)))
3036 (setq references (mail-header-references headers))
3037 (when (and references
3038 (setq parent (gnus-parent-id references))
3039 (setq headers (car (gnus-id-to-thread parent))))
3043 (defun gnus-id-to-thread (id)
3044 "Return the (sub-)thread where ID appears."
3045 (gnus-gethash id gnus-newsgroup-dependencies))
3047 (defun gnus-id-to-article (id)
3048 "Return the article number of ID."
3049 (let ((thread (gnus-id-to-thread id)))
3052 (mail-header-number (car thread)))))
3054 (defun gnus-id-to-header (id)
3055 "Return the article headers of ID."
3056 (car (gnus-id-to-thread id)))
3058 (defun gnus-article-displayed-root-p (article)
3059 "Say whether ARTICLE is a root(ish) article."
3060 (let ((level (gnus-summary-thread-level article))
3061 (refs (mail-header-references (gnus-summary-article-header article)))
3067 ((null (gnus-parent-id refs)) t)
3069 (null (setq particle (gnus-id-to-article
3070 (gnus-parent-id refs))))
3071 (null (gnus-summary-thread-level particle)))))))
3073 (defun gnus-root-id (id)
3074 "Return the id of the root of the thread where ID appears."
3076 (while (and id (setq prev (car (gnus-gethash
3077 id gnus-newsgroup-dependencies))))
3079 id (gnus-parent-id (mail-header-references prev))))
3082 (defun gnus-remove-thread (id &optional dont-remove)
3083 "Remove the thread that has ID in it."
3084 (let ((dep gnus-newsgroup-dependencies)
3085 headers thread last-id)
3086 ;; First go up in this thread until we find the root.
3087 (setq last-id (gnus-root-id id))
3088 (setq headers (list (car (gnus-id-to-thread last-id))
3089 (caadr (gnus-id-to-thread last-id))))
3090 ;; We have now found the real root of this thread. It might have
3091 ;; been gathered into some loose thread, so we have to search
3092 ;; through the threads to find the thread we wanted.
3093 (let ((threads gnus-newsgroup-threads)
3096 (setq sub (car threads))
3097 (if (stringp (car sub))
3098 ;; This is a gathered thread, so we look at the roots
3099 ;; below it to find whether this article is in this
3102 (setq sub (cdr sub))
3104 (when (member (caar sub) headers)
3105 (setq thread (car threads)
3108 (setq sub (cdr sub))))
3109 ;; It's an ordinary thread, so we check it.
3110 (when (eq (car sub) (car headers))
3113 (setq threads (cdr threads)))
3114 ;; If this article is in no thread, then it's a root.
3117 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3118 (setq thread (gnus-gethash last-id dep)))
3121 thread ; We return this thread.
3123 (if (stringp (car thread))
3125 ;; If we use dummy roots, then we have to remove the
3126 ;; dummy root as well.
3127 (when (eq gnus-summary-make-false-root 'dummy)
3129 (gnus-data-compute-positions))
3130 (setq thread (cdr thread))
3132 (gnus-remove-thread-1 (car thread))
3133 (setq thread (cdr thread))))
3134 (gnus-remove-thread-1 thread))))))))
3136 (defun gnus-remove-thread-1 (thread)
3137 "Remove the thread THREAD recursively."
3138 (let ((number (mail-header-number (pop thread)))
3140 (setq thread (reverse thread))
3142 (gnus-remove-thread-1 (pop thread)))
3143 (when (setq d (gnus-data-find number))
3144 (goto-char (gnus-data-pos d))
3147 (- (gnus-point-at-bol)
3149 (1+ (gnus-point-at-eol))
3150 (gnus-delete-line)))))))
3152 (defun gnus-sort-threads (threads)
3154 (if (not gnus-thread-sort-functions)
3156 (gnus-message 7 "Sorting threads...")
3158 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3159 (gnus-message 7 "Sorting threads...done"))))
3161 (defun gnus-sort-articles (articles)
3163 (when gnus-article-sort-functions
3164 (gnus-message 7 "Sorting articles...")
3166 (setq gnus-newsgroup-headers
3167 (sort articles (gnus-make-sort-function
3168 gnus-article-sort-functions)))
3169 (gnus-message 7 "Sorting articles...done"))))
3171 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3172 (defmacro gnus-thread-header (thread)
3173 ;; Return header of first article in THREAD.
3174 ;; Note that THREAD must never, ever be anything else than a variable -
3175 ;; using some other form will lead to serious barfage.
3176 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3177 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3178 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
3181 (defsubst gnus-article-sort-by-number (h1 h2)
3182 "Sort articles by article number."
3183 (< (mail-header-number h1)
3184 (mail-header-number h2)))
3186 (defun gnus-thread-sort-by-number (h1 h2)
3187 "Sort threads by root article number."
3188 (gnus-article-sort-by-number
3189 (gnus-thread-header h1) (gnus-thread-header h2)))
3191 (defsubst gnus-article-sort-by-lines (h1 h2)
3192 "Sort articles by article Lines header."
3193 (< (mail-header-lines h1)
3194 (mail-header-lines h2)))
3196 (defun gnus-thread-sort-by-lines (h1 h2)
3197 "Sort threads by root article Lines header."
3198 (gnus-article-sort-by-lines
3199 (gnus-thread-header h1) (gnus-thread-header h2)))
3201 (defsubst gnus-article-sort-by-author (h1 h2)
3202 "Sort articles by root author."
3204 (let ((extract (funcall
3205 gnus-extract-address-components
3206 (mail-header-from h1))))
3207 (or (car extract) (cdr extract)))
3208 (let ((extract (funcall
3209 gnus-extract-address-components
3210 (mail-header-from h2))))
3211 (or (car extract) (cdr extract)))))
3213 (defun gnus-thread-sort-by-author (h1 h2)
3214 "Sort threads by root author."
3215 (gnus-article-sort-by-author
3216 (gnus-thread-header h1) (gnus-thread-header h2)))
3218 (defsubst gnus-article-sort-by-subject (h1 h2)
3219 "Sort articles by root subject."
3221 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3222 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3224 (defun gnus-thread-sort-by-subject (h1 h2)
3225 "Sort threads by root subject."
3226 (gnus-article-sort-by-subject
3227 (gnus-thread-header h1) (gnus-thread-header h2)))
3229 (defsubst gnus-article-sort-by-date (h1 h2)
3230 "Sort articles by root article date."
3232 (gnus-date-get-time (mail-header-date h1))
3233 (gnus-date-get-time (mail-header-date h2))))
3235 (defun gnus-thread-sort-by-date (h1 h2)
3236 "Sort threads by root article date."
3237 (gnus-article-sort-by-date
3238 (gnus-thread-header h1) (gnus-thread-header h2)))
3240 (defsubst gnus-article-sort-by-score (h1 h2)
3241 "Sort articles by root article score.
3242 Unscored articles will be counted as having a score of zero."
3243 (> (or (cdr (assq (mail-header-number h1)
3244 gnus-newsgroup-scored))
3245 gnus-summary-default-score 0)
3246 (or (cdr (assq (mail-header-number h2)
3247 gnus-newsgroup-scored))
3248 gnus-summary-default-score 0)))
3250 (defun gnus-thread-sort-by-score (h1 h2)
3251 "Sort threads by root article score."
3252 (gnus-article-sort-by-score
3253 (gnus-thread-header h1) (gnus-thread-header h2)))
3255 (defun gnus-thread-sort-by-total-score (h1 h2)
3256 "Sort threads by the sum of all scores in the thread.
3257 Unscored articles will be counted as having a score of zero."
3258 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3260 (defun gnus-thread-total-score (thread)
3261 ;; This function find the total score of THREAD.
3262 (cond ((null thread)
3265 (if (stringp (car thread))
3266 (apply gnus-thread-score-function 0
3267 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3268 (gnus-thread-total-score-1 thread)))
3270 (gnus-thread-total-score-1 (list thread)))))
3272 (defun gnus-thread-total-score-1 (root)
3273 ;; This function find the total score of the thread below ROOT.
3274 (setq root (car root))
3275 (apply gnus-thread-score-function
3277 (mapcar 'gnus-thread-total-score
3278 (cdr (gnus-gethash (mail-header-id root)
3279 gnus-newsgroup-dependencies)))
3280 (when (> (mail-header-number root) 0)
3281 (list (or (cdr (assq (mail-header-number root)
3282 gnus-newsgroup-scored))
3283 gnus-summary-default-score 0))))
3284 (list gnus-summary-default-score)
3287 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3288 (defvar gnus-tmp-prev-subject nil)
3289 (defvar gnus-tmp-false-parent nil)
3290 (defvar gnus-tmp-root-expunged nil)
3291 (defvar gnus-tmp-dummy-line nil)
3293 (defun gnus-summary-prepare-threads (threads)
3294 "Prepare summary buffer from THREADS and indentation LEVEL.
3295 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3296 or a straight list of headers."
3297 (gnus-message 7 "Generating summary...")
3299 (setq gnus-newsgroup-threads threads)
3302 (let ((gnus-tmp-level 0)
3303 (default-score (or gnus-summary-default-score 0))
3304 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3305 thread number subject stack state gnus-tmp-gathered beg-match
3306 new-roots gnus-tmp-new-adopts thread-end
3307 gnus-tmp-header gnus-tmp-unread
3308 gnus-tmp-replied gnus-tmp-subject-or-nil
3309 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3310 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3311 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3313 (setq gnus-tmp-prev-subject nil)
3315 (if (vectorp (car threads))
3316 ;; If this is a straight (sic) list of headers, then a
3317 ;; threaded summary display isn't required, so we just create
3318 ;; an unthreaded one.
3319 (gnus-summary-prepare-unthreaded threads)
3321 ;; Do the threaded display.
3323 (while (or threads stack gnus-tmp-new-adopts new-roots)
3325 (if (and (= gnus-tmp-level 0)
3326 (not (setq gnus-tmp-dummy-line nil))
3329 (not gnus-tmp-false-parent)
3330 (or gnus-tmp-new-adopts new-roots))
3331 (if gnus-tmp-new-adopts
3332 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3333 thread (list (car gnus-tmp-new-adopts))
3334 gnus-tmp-header (caar thread)
3335 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3337 (setq thread (list (car new-roots))
3338 gnus-tmp-header (caar thread)
3339 new-roots (cdr new-roots))))
3342 ;; If there are some threads, we do them before the
3343 ;; threads on the stack.
3344 (setq thread threads
3345 gnus-tmp-header (caar thread))
3346 ;; There were no current threads, so we pop something off
3348 (setq state (car stack)
3349 gnus-tmp-level (car state)
3352 gnus-tmp-header (caar thread))))
3354 (setq gnus-tmp-false-parent nil)
3355 (setq gnus-tmp-root-expunged nil)
3356 (setq thread-end nil)
3358 (if (stringp gnus-tmp-header)
3359 ;; The header is a dummy root.
3361 ((eq gnus-summary-make-false-root 'adopt)
3362 ;; We let the first article adopt the rest.
3363 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3365 (setq gnus-tmp-gathered
3367 (lambda (h) (mail-header-number (car h)))
3370 (setq thread (cons (list (caar thread)
3373 (setq gnus-tmp-level -1
3374 gnus-tmp-false-parent t))
3375 ((eq gnus-summary-make-false-root 'empty)
3376 ;; We print adopted articles with empty subject fields.
3377 (setq gnus-tmp-gathered
3379 (lambda (h) (mail-header-number (car h)))
3382 (setq gnus-tmp-level -1))
3383 ((eq gnus-summary-make-false-root 'dummy)
3384 ;; We remember that we probably want to output a dummy
3386 (setq gnus-tmp-dummy-line gnus-tmp-header)
3387 (setq gnus-tmp-prev-subject gnus-tmp-header))
3389 ;; We do not make a root for the gathered
3390 ;; sub-threads at all.
3391 (setq gnus-tmp-level -1)))
3393 (setq number (mail-header-number gnus-tmp-header)
3394 subject (mail-header-subject gnus-tmp-header))
3397 ;; If the thread has changed subject, we might want to make
3398 ;; this subthread into a root.
3399 ((and (null gnus-thread-ignore-subject)
3400 (not (zerop gnus-tmp-level))
3401 gnus-tmp-prev-subject
3403 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3404 (setq new-roots (nconc new-roots (list (car thread)))
3406 gnus-tmp-header nil))
3407 ;; If the article lies outside the current limit,
3408 ;; then we do not display it.
3409 ((not (memq number gnus-newsgroup-limit))
3410 (setq gnus-tmp-gathered
3412 (lambda (h) (mail-header-number (car h)))
3415 (setq gnus-tmp-new-adopts (if (cdar thread)
3416 (append gnus-tmp-new-adopts
3418 gnus-tmp-new-adopts)
3420 gnus-tmp-header nil)
3421 (when (zerop gnus-tmp-level)
3422 (setq gnus-tmp-root-expunged t)))
3423 ;; Perhaps this article is to be marked as read?
3424 ((and gnus-summary-mark-below
3425 (< (or (cdr (assq number gnus-newsgroup-scored))
3427 gnus-summary-mark-below)
3428 ;; Don't touch sparse articles.
3429 (not (gnus-summary-article-sparse-p number))
3430 (not (gnus-summary-article-ancient-p number)))
3431 (setq gnus-newsgroup-unreads
3432 (delq number gnus-newsgroup-unreads))
3433 (if gnus-newsgroup-auto-expire
3434 (push number gnus-newsgroup-expirable)
3435 (push (cons number gnus-low-score-mark)
3436 gnus-newsgroup-reads))))
3438 (when gnus-tmp-header
3439 ;; We may have an old dummy line to output before this
3441 (when gnus-tmp-dummy-line
3442 (gnus-summary-insert-dummy-line
3443 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3444 (setq gnus-tmp-dummy-line nil))
3446 ;; Compute the mark.
3447 (setq gnus-tmp-unread (gnus-article-mark number))
3449 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3450 gnus-tmp-header gnus-tmp-level)
3451 gnus-newsgroup-data)
3453 ;; Actually insert the line.
3455 gnus-tmp-subject-or-nil
3457 ((and gnus-thread-ignore-subject
3458 gnus-tmp-prev-subject
3459 (not (inline (gnus-subject-equal
3460 gnus-tmp-prev-subject subject))))
3462 ((zerop gnus-tmp-level)
3463 (if (and (eq gnus-summary-make-false-root 'empty)
3464 (memq number gnus-tmp-gathered)
3465 gnus-tmp-prev-subject
3466 (inline (gnus-subject-equal
3467 gnus-tmp-prev-subject subject)))
3468 gnus-summary-same-subject
3470 (t gnus-summary-same-subject)))
3471 (if (and (eq gnus-summary-make-false-root 'adopt)
3472 (= gnus-tmp-level 1)
3473 (memq number gnus-tmp-gathered))
3474 (setq gnus-tmp-opening-bracket ?\<
3475 gnus-tmp-closing-bracket ?\>)
3476 (setq gnus-tmp-opening-bracket ?\[
3477 gnus-tmp-closing-bracket ?\]))
3479 gnus-tmp-indentation
3480 (aref gnus-thread-indent-array gnus-tmp-level)
3481 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3482 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3483 gnus-summary-default-score 0)
3485 (if (or (null gnus-summary-default-score)
3486 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3487 gnus-summary-zcore-fuzz))
3489 (if (< gnus-tmp-score gnus-summary-default-score)
3490 gnus-score-below-mark gnus-score-over-mark))
3492 (cond ((memq number gnus-newsgroup-processable)
3494 ((memq number gnus-newsgroup-cached)
3496 ((memq number gnus-newsgroup-replied)
3498 ((memq number gnus-newsgroup-saved)
3500 (t gnus-unread-mark))
3501 gnus-tmp-from (mail-header-from gnus-tmp-header)
3504 ((string-match "<[^>]+> *$" gnus-tmp-from)
3505 (setq beg-match (match-beginning 0))
3506 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
3507 (substring gnus-tmp-from (1+ (match-beginning 0))
3508 (1- (match-end 0))))
3509 (substring gnus-tmp-from 0 beg-match)))
3510 ((string-match "(.+)" gnus-tmp-from)
3511 (substring gnus-tmp-from
3512 (1+ (match-beginning 0)) (1- (match-end 0))))
3514 (when (string= gnus-tmp-name "")
3515 (setq gnus-tmp-name gnus-tmp-from))
3516 (unless (numberp gnus-tmp-lines)
3517 (setq gnus-tmp-lines 0))
3518 (gnus-put-text-property
3520 (progn (eval gnus-summary-line-format-spec) (point))
3521 'gnus-number number)
3524 (run-hooks 'gnus-summary-update-hook)
3527 (setq gnus-tmp-prev-subject subject)))
3529 (when (nth 1 thread)
3530 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
3531 (incf gnus-tmp-level)
3532 (setq threads (if thread-end nil (cdar thread)))
3534 (setq gnus-tmp-level 0)))))
3535 (gnus-message 7 "Generating summary...done"))
3537 (defun gnus-summary-prepare-unthreaded (headers)
3538 "Generate an unthreaded summary buffer based on HEADERS."
3539 (let (header number mark)
3544 ;; We may have to root out some bad articles...
3545 (when (memq (setq number (mail-header-number
3546 (setq header (pop headers))))
3547 gnus-newsgroup-limit)
3548 ;; Mark article as read when it has a low score.
3549 (when (and gnus-summary-mark-below
3550 (< (or (cdr (assq number gnus-newsgroup-scored))
3551 gnus-summary-default-score 0)
3552 gnus-summary-mark-below)
3553 (not (gnus-summary-article-ancient-p number)))
3554 (setq gnus-newsgroup-unreads
3555 (delq number gnus-newsgroup-unreads))
3556 (if gnus-newsgroup-auto-expire
3557 (push number gnus-newsgroup-expirable)
3558 (push (cons number gnus-low-score-mark)
3559 gnus-newsgroup-reads)))
3561 (setq mark (gnus-article-mark number))
3562 (push (gnus-data-make number mark (1+ (point)) header 0)
3563 gnus-newsgroup-data)
3564 (gnus-summary-insert-line
3566 mark (memq number gnus-newsgroup-replied)
3567 (memq number gnus-newsgroup-expirable)
3568 (mail-header-subject header) nil
3569 (cdr (assq number gnus-newsgroup-scored))
3570 (memq number gnus-newsgroup-processable))))))
3572 (defun gnus-select-newsgroup (group &optional read-all)
3573 "Select newsgroup GROUP.
3574 If READ-ALL is non-nil, all articles in the group are selected."
3575 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
3576 (info (nth 2 entry))
3577 articles fetched-articles cached)
3579 (unless (gnus-check-server
3580 (setq gnus-current-select-method
3581 (gnus-find-method-for-group group)))
3582 (error "Couldn't open server"))
3584 (or (and entry (not (eq (car entry) t))) ; Either it's active...
3585 (gnus-activate-group group) ; Or we can activate it...
3586 (progn ; Or we bug out.
3587 (when (equal major-mode 'gnus-summary-mode)
3588 (kill-buffer (current-buffer)))
3589 (error "Couldn't request group %s: %s"
3590 group (gnus-status-message group))))
3592 (unless (gnus-request-group group t)
3593 (when (equal major-mode 'gnus-summary-mode)
3594 (kill-buffer (current-buffer)))
3595 (error "Couldn't request group %s: %s"
3596 group (gnus-status-message group)))
3598 (setq gnus-newsgroup-name group)
3599 (setq gnus-newsgroup-unselected nil)
3600 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
3602 ;; Adjust and set lists of article marks.
3604 (gnus-adjust-marked-articles info))
3606 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3607 (when (gnus-virtual-group-p group)
3608 (setq cached gnus-newsgroup-cached))
3610 (setq gnus-newsgroup-unreads
3611 (gnus-set-difference
3612 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
3613 gnus-newsgroup-dormant))
3615 (setq gnus-newsgroup-processable nil)
3617 (gnus-update-read-articles group gnus-newsgroup-unreads)
3618 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
3619 (gnus-group-update-group group))
3621 (setq articles (gnus-articles-to-read group read-all))
3625 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
3627 ((eq articles 0) nil)
3629 ;; Init the dependencies hash table.
3630 (setq gnus-newsgroup-dependencies
3631 (gnus-make-hashtable (length articles)))
3632 ;; Retrieve the headers and read them in.
3633 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
3634 (setq gnus-newsgroup-headers
3636 (setq gnus-headers-retrieved-by
3637 (gnus-retrieve-headers
3638 articles gnus-newsgroup-name
3639 ;; We might want to fetch old headers, but
3640 ;; not if there is only 1 article.
3641 (and gnus-fetch-old-headers
3643 (not (eq gnus-fetch-old-headers 'some))
3644 (not (numberp gnus-fetch-old-headers)))
3645 (> (length articles) 1))))))
3646 (gnus-get-newsgroup-headers-xover
3647 articles nil nil gnus-newsgroup-name t)
3648 (gnus-get-newsgroup-headers)))
3649 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
3651 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3653 (setq gnus-newsgroup-cached cached))
3655 ;; Suppress duplicates?
3656 (when gnus-suppress-duplicates
3657 (gnus-dup-suppress-articles))
3659 ;; Set the initial limit.
3660 (setq gnus-newsgroup-limit (copy-sequence articles))
3661 ;; Remove canceled articles from the list of unread articles.
3662 (setq gnus-newsgroup-unreads
3663 (gnus-set-sorted-intersection
3664 gnus-newsgroup-unreads
3665 (setq fetched-articles
3666 (mapcar (lambda (headers) (mail-header-number headers))
3667 gnus-newsgroup-headers))))
3668 ;; Removed marked articles that do not exist.
3669 (gnus-update-missing-marks
3670 (gnus-sorted-complement fetched-articles articles))
3671 ;; We might want to build some more threads first.
3672 (and gnus-fetch-old-headers
3673 (eq gnus-headers-retrieved-by 'nov)
3674 (gnus-build-old-threads))
3675 ;; Check whether auto-expire is to be done in this group.
3676 (setq gnus-newsgroup-auto-expire
3677 (gnus-group-auto-expirable-p group))
3678 ;; Set up the article buffer now, if necessary.
3679 (unless gnus-single-article-buffer
3680 (gnus-article-setup-buffer))
3681 ;; First and last article in this newsgroup.
3682 (when gnus-newsgroup-headers
3683 (setq gnus-newsgroup-begin
3684 (mail-header-number (car gnus-newsgroup-headers))
3687 (gnus-last-element gnus-newsgroup-headers))))
3688 ;; GROUP is successfully selected.
3689 (or gnus-newsgroup-headers t)))))
3691 (defun gnus-articles-to-read (group &optional read-all)
3692 ;; Find out what articles the user wants to read.
3694 ;; Select all articles if `read-all' is non-nil, or if there
3695 ;; are no unread articles.
3697 (and (zerop (length gnus-newsgroup-marked))
3698 (zerop (length gnus-newsgroup-unreads)))
3699 (eq (gnus-group-find-parameter group 'display)
3701 (gnus-uncompress-range (gnus-active group))
3702 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
3703 (copy-sequence gnus-newsgroup-unreads))
3705 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
3706 (scored (length scored-list))
3707 (number (length articles))
3708 (marked (+ (length gnus-newsgroup-marked)
3709 (length gnus-newsgroup-dormant)))
3717 ((and (or (<= scored marked) (= scored number))
3718 (numberp gnus-large-newsgroup)
3719 (> number gnus-large-newsgroup))
3723 "How many articles from %s (default %d): "
3724 (gnus-limit-string gnus-newsgroup-name 35)
3726 (if (string-match "^[ \t]*$" input) number input)))
3727 ((and (> scored marked) (< scored number)
3728 (> (- scored number) 20))
3731 (format "%s %s (%d scored, %d total): "
3732 "How many articles from"
3733 group scored number))))
3734 (if (string-match "^[ \t]*$" input)
3738 (setq select (if (stringp select) (string-to-number select) select))
3739 (if (or (null select) (zerop select))
3741 (if (and (not (zerop scored)) (<= (abs select) scored))
3743 (setq articles (sort scored-list '<))
3744 (setq number (length articles)))
3745 (setq articles (copy-sequence articles)))
3747 (when (< (abs select) number)
3749 ;; Select the N oldest articles.
3750 (setcdr (nthcdr (1- (abs select)) articles) nil)
3751 ;; Select the N most recent articles.
3752 (setq articles (nthcdr (- number select) articles))))
3753 (setq gnus-newsgroup-unselected
3754 (gnus-sorted-intersection
3755 gnus-newsgroup-unreads
3756 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
3759 (defun gnus-killed-articles (killed articles)
3762 (when (inline (gnus-member-of-range (car articles) killed))
3763 (push (car articles) out))
3764 (setq articles (cdr articles)))
3767 (defun gnus-uncompress-marks (marks)
3768 "Uncompress the mark ranges in MARKS."
3769 (let ((uncompressed '(score bookmark))
3772 (if (memq (caar marks) uncompressed)
3773 (push (car marks) out)
3774 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
3775 (setq marks (cdr marks)))
3778 (defun gnus-adjust-marked-articles (info)
3779 "Set all article lists and remove all marks that are no longer legal."
3780 (let* ((marked-lists (gnus-info-marks info))
3781 (active (gnus-active (gnus-info-group info)))
3784 (types gnus-article-mark-lists)
3785 (uncompressed '(score bookmark killed))
3786 marks var articles article mark)
3789 (setq marks (pop marked-lists))
3790 (set (setq var (intern (format "gnus-newsgroup-%s"
3791 (car (rassq (setq mark (car marks))
3793 (if (memq (car marks) uncompressed) (cdr marks)
3794 (gnus-uncompress-range (cdr marks))))
3796 (setq articles (symbol-value var))
3798 ;; All articles have to be subsets of the active articles.
3800 ;; Adjust "simple" lists.
3801 ((memq mark '(tick dormant expirable reply save))
3803 (when (or (< (setq article (pop articles)) min) (> article max))
3804 (set var (delq article (symbol-value var))))))
3806 ((memq mark uncompressed)
3808 (when (or (not (consp (setq article (pop articles))))
3809 (< (car article) min)
3810 (> (car article) max))
3811 (set var (delq article (symbol-value var))))))))))
3813 (defun gnus-update-missing-marks (missing)
3814 "Go through the list of MISSING articles and remove them mark lists."
3816 (let ((types gnus-article-mark-lists)
3818 ;; Go through all types.
3820 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
3821 (when (symbol-value var)
3822 ;; This list has articles. So we delete all missing articles
3826 (set var (delq (pop m) (symbol-value var)))))))))
3828 (defun gnus-update-marks ()
3829 "Enter the various lists of marked articles into the newsgroup info list."
3830 (let ((types gnus-article-mark-lists)
3831 (info (gnus-get-info gnus-newsgroup-name))
3832 (uncompressed '(score bookmark killed))
3833 type list newmarked symbol)
3835 ;; Add all marks lists that are non-nil to the list of marks lists.
3837 (setq type (pop types))
3838 (when (setq list (symbol-value
3840 (intern (format "gnus-newsgroup-%s"
3842 (push (cons (cdr type)
3843 (if (memq (cdr type) uncompressed) list
3844 (gnus-compress-sequence
3845 (set symbol (sort list '<)) t)))
3848 ;; Enter these new marks into the info of the group.
3850 (setcar (nthcdr 3 info) newmarked)
3851 ;; Add the marks lists to the end of the info.
3853 (setcdr (nthcdr 2 info) (list newmarked))))
3855 ;; Cut off the end of the info if there's nothing else there.
3859 (when (nthcdr (decf i) info)
3860 (setcdr (nthcdr i info) nil)))))))
3862 (defun gnus-set-mode-line (where)
3863 "This function sets the mode line of the article or summary buffers.
3864 If WHERE is `summary', the summary mode line format will be used."
3865 ;; Is this mode line one we keep updated?
3866 (when (memq where gnus-updated-mode-lines)
3869 ;; We evaluate this in the summary buffer since these
3870 ;; variables are buffer-local to that buffer.
3871 (set-buffer gnus-summary-buffer)
3872 ;; We bind all these variables that are used in the `eval' form
3874 (let* ((mformat (symbol-value
3876 (format "gnus-%s-mode-line-format-spec" where))))
3877 (gnus-tmp-group-name gnus-newsgroup-name)
3878 (gnus-tmp-article-number (or gnus-current-article 0))
3879 (gnus-tmp-unread gnus-newsgroup-unreads)
3880 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
3881 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
3882 (gnus-tmp-unread-and-unselected
3883 (cond ((and (zerop gnus-tmp-unread-and-unticked)
3884 (zerop gnus-tmp-unselected))
3886 ((zerop gnus-tmp-unselected)
3887 (format "{%d more}" gnus-tmp-unread-and-unticked))
3888 (t (format "{%d(+%d) more}"
3889 gnus-tmp-unread-and-unticked
3890 gnus-tmp-unselected))))
3892 (if (and gnus-current-headers
3893 (vectorp gnus-current-headers))
3894 (gnus-mode-string-quote
3895 (mail-header-subject gnus-current-headers))
3898 gnus-tmp-header);; passed as argument to any user-format-funcs
3899 (setq mode-string (eval mformat))
3900 (setq max-len (max 4 (if gnus-mode-non-string-length
3902 gnus-mode-non-string-length)
3903 (length mode-string))))
3904 ;; We might have to chop a bit of the string off...
3905 (when (> (length mode-string) max-len)
3907 (concat (gnus-truncate-string mode-string (- max-len 3))
3909 ;; Pad the mode string a bit.
3910 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
3911 ;; Update the mode line.
3912 (setq mode-line-buffer-identification
3913 (gnus-mode-line-buffer-identification
3914 (list mode-string)))
3915 (set-buffer-modified-p t))))
3917 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
3918 "Go through the HEADERS list and add all Xrefs to a hash table.
3919 The resulting hash table is returned, or nil if no Xrefs were found."
3920 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
3921 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
3922 (xref-hashtb (gnus-make-hashtable))
3923 start group entry number xrefs header)
3925 (setq header (pop headers))
3926 (when (and (setq xrefs (mail-header-xref header))
3927 (not (memq (setq number (mail-header-number header))
3930 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
3931 (setq start (match-end 0))
3932 (setq group (if prefix
3933 (concat prefix (substring xrefs (match-beginning 1)
3935 (substring xrefs (match-beginning 1) (match-end 1))))
3937 (string-to-int (substring xrefs (match-beginning 2)
3939 (if (setq entry (gnus-gethash group xref-hashtb))
3940 (setcdr entry (cons number (cdr entry)))
3941 (gnus-sethash group (cons number nil) xref-hashtb)))))
3942 (and start xref-hashtb)))
3944 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
3945 "Look through all the headers and mark the Xrefs as read."
3946 (let ((virtual (gnus-virtual-group-p from-newsgroup))
3947 name entry info xref-hashtb idlist method nth4)
3949 (set-buffer gnus-group-buffer)
3950 (when (setq xref-hashtb
3951 (gnus-create-xref-hashtb from-newsgroup headers unreads))
3954 (unless (string= from-newsgroup (setq name (symbol-name group)))
3955 (setq idlist (symbol-value group))
3956 ;; Dead groups are not updated.
3958 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
3960 (when (stringp (setq nth4 (gnus-info-method info)))
3961 (setq nth4 (gnus-server-to-method nth4))))
3962 ;; Only do the xrefs if the group has the same
3963 ;; select method as the group we have just read.
3964 (or (gnus-methods-equal-p
3965 nth4 (gnus-find-method-for-group from-newsgroup))
3967 (equal nth4 (setq method (gnus-find-method-for-group
3969 (and (equal (car nth4) (car method))
3970 (equal (nth 1 nth4) (nth 1 method))))
3971 gnus-use-cross-reference
3972 (or (not (eq gnus-use-cross-reference t))
3974 ;; Only do cross-references on subscribed
3975 ;; groups, if that is what is wanted.
3976 (<= (gnus-info-level info) gnus-level-subscribed))
3977 (gnus-group-make-articles-read name idlist))))
3980 (defun gnus-group-make-articles-read (group articles)
3981 "Update the info of GROUP to say that only ARTICLES are unread."
3983 (entry (gnus-gethash group gnus-newsrc-hashtb))
3984 (info (nth 2 entry))
3985 (active (gnus-active group))
3987 ;; First peel off all illegal article numbers.
3989 (let ((ids articles)
3991 (while (setq id (pop ids))
3992 (when (and first (> id (cdr active)))
3993 ;; We'll end up in this situation in one particular
3994 ;; obscure situation. If you re-scan a group and get
3995 ;; a new article that is cross-posted to a different
3996 ;; group that has not been re-scanned, you might get
3997 ;; crossposted article that has a higher number than
3998 ;; Gnus believes possible. So we re-activate this
3999 ;; group as well. This might mean doing the
4000 ;; crossposting thingy will *increase* the number
4001 ;; of articles in some groups. Tsk, tsk.
4002 (setq active (or (gnus-activate-group group) active)))
4003 (when (or (> id (cdr active))
4004 (< id (car active)))
4005 (setq articles (delq id articles))))))
4007 (set-buffer gnus-group-buffer)
4010 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4011 (gnus-info-set-read ',info ',(gnus-info-read info))
4012 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4013 (gnus-group-update-group ,group t))))
4014 ;; If the read list is nil, we init it.
4016 (null (gnus-info-read info))
4018 (gnus-info-set-read info (cons 1 (1- (car active)))))
4019 ;; Then we add the read articles to the range.
4024 (gnus-info-read info) (setq articles (sort articles '<)))))
4025 ;; Then we have to re-compute how many unread
4026 ;; articles there are in this group.
4030 (setq num (- (1+ (cdr active)) (car active))))
4031 ((not (listp (cdr range)))
4032 (setq num (- (cdr active) (- (1+ (cdr range))
4036 (if (numberp (car range))
4038 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4039 (setq range (cdr range)))
4040 (setq num (- (cdr active) num))))
4041 ;; Update the number of unread articles.
4043 ;; Update the group buffer.
4044 (gnus-group-update-group group t))))
4046 (defun gnus-methods-equal-p (m1 m2)
4047 (let ((m1 (or m1 gnus-select-method))
4048 (m2 (or m2 gnus-select-method)))
4050 (and (eq (car m1) (car m2))
4051 (or (not (memq 'address (assoc (symbol-name (car m1))
4052 gnus-valid-select-methods)))
4053 (equal (nth 1 m1) (nth 1 m2)))))))
4055 (defvar gnus-newsgroup-none-id 0)
4057 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4058 (let ((cur nntp-server-buffer)
4061 (save-excursion (set-buffer gnus-summary-buffer)
4062 gnus-newsgroup-dependencies)))
4063 headers id id-dep ref-dep end ref)
4065 (set-buffer nntp-server-buffer)
4066 ;; Translate all TAB characters into SPACE characters.
4067 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4068 (run-hooks 'gnus-parse-headers-hook)
4069 (let ((case-fold-search t)
4070 in-reply-to header p lines)
4071 (goto-char (point-min))
4072 ;; Search to the beginning of the next header. Error messages
4073 ;; do not begin with 2 or 3.
4074 (while (re-search-forward "^[23][0-9]+ " nil t)
4077 ;; This implementation of this function, with nine
4078 ;; search-forwards instead of the one re-search-forward and
4079 ;; a case (which basically was the old function) is actually
4080 ;; about twice as fast, even though it looks messier. You
4081 ;; can't have everything, I guess. Speed and elegance
4082 ;; doesn't always go hand in hand.
4091 (narrow-to-region (point)
4092 (or (and (search-forward "\n.\n" nil t)
4098 (if (search-forward "\nsubject: " nil t)
4099 (nnheader-header-value) "(none)"))
4103 (if (search-forward "\nfrom: " nil t)
4104 (nnheader-header-value) "(nobody)"))
4108 (if (search-forward "\ndate: " nil t)
4109 (nnheader-header-value) ""))
4113 (setq id (if (search-forward "\nmessage-id: " nil t)
4114 (nnheader-header-value)
4115 ;; If there was no message-id, we just fake one
4116 ;; to make subsequent routines simpler.
4117 (nnheader-generate-fake-message-id))))
4121 (if (search-forward "\nreferences: " nil t)
4125 (nnheader-header-value)
4130 (search-backward ">" end t)
4133 (search-backward "<" end t)
4135 ;; Get the references from the in-reply-to header if there
4136 ;; were no references and the in-reply-to header looks
4138 (if (and (search-forward "\nin-reply-to: " nil t)
4139 (setq in-reply-to (nnheader-header-value))
4140 (string-match "<[^>]+>" in-reply-to))
4141 (setq ref (substring in-reply-to (match-beginning 0)
4149 (if (search-forward "\nlines: " nil t)
4150 (if (numberp (setq lines (read cur)))
4156 (and (search-forward "\nxref: " nil t)
4157 (nnheader-header-value)))))
4158 (when (equal id ref)
4160 ;; We do the threading while we read the headers. The
4161 ;; message-id and the last reference are both entered into
4162 ;; the same hash table. Some tippy-toeing around has to be
4163 ;; done in case an article has arrived before the article
4164 ;; which it refers to.
4165 (if (boundp (setq id-dep (intern id dependencies)))
4166 (if (and (car (symbol-value id-dep))
4168 ;; An article with this Message-ID has already
4169 ;; been seen, so we ignore this one, except we add
4170 ;; any additional Xrefs (in case the two articles
4171 ;; came from different servers).
4173 (mail-header-set-xref
4174 (car (symbol-value id-dep))
4175 (concat (or (mail-header-xref
4176 (car (symbol-value id-dep)))
4178 (or (mail-header-xref header) "")))
4180 (setcar (symbol-value id-dep) header))
4181 (set id-dep (list header)))
4183 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
4184 (setcdr (symbol-value ref-dep)
4185 (nconc (cdr (symbol-value ref-dep))
4186 (list (symbol-value id-dep))))
4187 (set ref-dep (list nil (symbol-value id-dep))))
4188 (push header headers))
4189 (goto-char (point-max))
4191 (nreverse headers)))))
4193 ;; The following macros and functions were written by Felix Lee
4194 ;; <flee@cse.psu.edu>.
4196 (defmacro gnus-nov-read-integer ()
4198 (if (= (following-char) ?\t)
4200 (let ((num (ignore-errors (read buffer))))
4201 (if (numberp num) num 0)))
4205 (defmacro gnus-nov-skip-field ()
4206 '(search-forward "\t" eol 'move))
4208 (defmacro gnus-nov-field ()
4209 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
4211 ;; (defvar gnus-nov-none-counter 0)
4213 ;; This function has to be called with point after the article number
4214 ;; on the beginning of the line.
4215 (defun gnus-nov-parse-line (number dependencies &optional force-new)
4216 (let ((eol (gnus-point-at-eol))
4217 (buffer (current-buffer))
4218 header ref id id-dep ref-dep)
4220 ;; overview: [num subject from date id refs chars lines misc]
4223 (narrow-to-region (point) eol)
4230 (gnus-nov-field) ; subject
4231 (gnus-nov-field) ; from
4232 (gnus-nov-field) ; date
4233 (setq id (or (gnus-nov-field)
4234 (nnheader-generate-fake-message-id))) ; id
4236 (let ((beg (point)))
4237 (search-forward "\t" eol)
4238 (if (search-backward ">" beg t)
4242 (search-backward "<" beg t)))
4245 (gnus-nov-field)) ; refs
4246 (gnus-nov-read-integer) ; chars
4247 (gnus-nov-read-integer) ; lines
4248 (if (= (following-char) ?\n)
4250 (gnus-nov-field)) ; misc
4255 ;; We build the thread tree.
4256 (when (equal id ref)
4257 ;; This article refers back to itself. Naughty, naughty.
4259 (if (boundp (setq id-dep (intern id dependencies)))
4260 (if (and (car (symbol-value id-dep))
4262 ;; An article with this Message-ID has already been seen,
4263 ;; so we ignore this one, except we add any additional
4264 ;; Xrefs (in case the two articles came from different
4267 (mail-header-set-xref
4268 (car (symbol-value id-dep))
4269 (concat (or (mail-header-xref
4270 (car (symbol-value id-dep)))
4272 (or (mail-header-xref header) "")))
4274 (setcar (symbol-value id-dep) header))
4275 (set id-dep (list header)))
4277 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
4278 (setcdr (symbol-value ref-dep)
4279 (nconc (cdr (symbol-value ref-dep))
4280 (list (symbol-value id-dep))))
4281 (set ref-dep (list nil (symbol-value id-dep)))))
4284 ;; Goes through the xover lines and returns a list of vectors
4285 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4286 force-new dependencies
4287 group also-fetch-heads)
4288 "Parse the news overview data in the server buffer, and return a
4289 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4290 ;; Get the Xref when the users reads the articles since most/some
4291 ;; NNTP servers do not include Xrefs when using XOVER.
4292 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4293 (let ((cur nntp-server-buffer)
4294 (dependencies (or dependencies gnus-newsgroup-dependencies))
4295 number headers header)
4297 (set-buffer nntp-server-buffer)
4298 ;; Allow the user to mangle the headers before parsing them.
4299 (run-hooks 'gnus-parse-headers-hook)
4300 (goto-char (point-min))
4303 (while (and sequence (not (eobp)))
4304 (setq number (read cur))
4305 (while (and sequence
4306 (< (car sequence) number))
4307 (setq sequence (cdr sequence)))
4309 (eq number (car sequence))
4311 (setq sequence (cdr sequence))
4312 (setq header (inline
4313 (gnus-nov-parse-line
4314 number dependencies force-new))))
4315 (push header headers))
4318 (gnus-error 4 "Strange nov line (%d)"
4319 (count-lines (point-min) (point)))))
4321 ;; A common bug in inn is that if you have posted an article and
4322 ;; then retrieves the active file, it will answer correctly --
4323 ;; the new article is included. However, a NOV entry for the
4324 ;; article may not have been generated yet, so this may fail.
4325 ;; We work around this problem by retrieving the last few
4326 ;; headers using HEAD.
4327 (if (or (not also-fetch-heads)
4330 (let ((gnus-nov-is-evil t)
4331 (nntp-nov-is-evil t))
4334 (when (gnus-retrieve-headers sequence group)
4335 (gnus-get-newsgroup-headers))))))))
4337 (defun gnus-article-get-xrefs ()
4338 "Fill in the Xref value in `gnus-current-headers', if necessary.
4339 This is meant to be called in `gnus-article-internal-prepare-hook'."
4340 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4341 gnus-current-headers)))
4342 (or (not gnus-use-cross-reference)
4344 (and (mail-header-xref headers)
4345 (not (string= (mail-header-xref headers) "")))
4346 (let ((case-fold-search t)
4349 (nnheader-narrow-to-headers)
4350 (goto-char (point-min))
4351 (when (or (and (eq (downcase (following-char)) ?x)
4352 (looking-at "Xref:"))
4353 (search-forward "\nXref:" nil t))
4354 (goto-char (1+ (match-end 0)))
4355 (setq xref (buffer-substring (point)
4356 (progn (end-of-line) (point))))
4357 (mail-header-set-xref headers xref)))))))
4359 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4360 "Find article ID and insert the summary line for that article."
4361 (let ((header (if (and old-header use-old-header)
4362 old-header (gnus-read-header id)))
4363 (number (and (numberp id) id))
4366 ;; Rebuild the thread that this article is part of and go to the
4367 ;; article we have fetched.
4368 (when (and (not gnus-show-threads)
4370 (when (setq d (gnus-data-find (mail-header-number old-header)))
4371 (goto-char (gnus-data-pos d))
4374 (- (gnus-point-at-bol)
4376 (1+ (gnus-point-at-eol))
4377 (gnus-delete-line))))))
4379 (mail-header-set-number header (mail-header-number old-header)))
4380 (setq gnus-newsgroup-sparse
4381 (delq (setq number (mail-header-number header))
4382 gnus-newsgroup-sparse))
4383 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4384 (gnus-rebuild-thread (mail-header-id header))
4385 (gnus-summary-goto-subject number nil t))
4386 (when (and (numberp number)
4388 ;; We have to update the boundaries even if we can't fetch the
4389 ;; article if ID is a number -- so that the next `P' or `N'
4390 ;; command will fetch the previous (or next) article even
4391 ;; if the one we tried to fetch this time has been canceled.
4392 (when (> number gnus-newsgroup-end)
4393 (setq gnus-newsgroup-end number))
4394 (when (< number gnus-newsgroup-begin)
4395 (setq gnus-newsgroup-begin number))
4396 (setq gnus-newsgroup-unselected
4397 (delq number gnus-newsgroup-unselected)))
4398 ;; Report back a success?
4399 (and header (mail-header-number header))))
4401 ;;; Process/prefix in the summary buffer
4403 (defun gnus-summary-work-articles (n)
4404 "Return a list of articles to be worked upon. The prefix argument,
4405 the list of process marked articles, and the current article will be
4406 taken into consideration."
4409 ;; A numerical prefix has been given.
4410 (setq n (prefix-numeric-value n))
4411 (let ((backward (< n 0))
4412 (n (abs (prefix-numeric-value n)))
4417 (push (setq article (gnus-summary-article-number))
4420 (gnus-summary-find-prev nil article)
4421 (gnus-summary-find-next nil article)))
4423 (nreverse articles)))
4424 ((gnus-region-active-p)
4425 ;; Work on the region between point and mark.
4426 (let ((max (max (point) (mark)))
4429 (goto-char (min (point) (mark)))
4432 (push (setq article (gnus-summary-article-number)) articles)
4433 (gnus-summary-find-next nil article)
4435 (nreverse articles))))
4436 (gnus-newsgroup-processable
4437 ;; There are process-marked articles present.
4438 ;; Save current state.
4439 (gnus-summary-save-process-mark)
4441 (reverse gnus-newsgroup-processable))
4443 ;; Just return the current article.
4444 (list (gnus-summary-article-number)))))
4446 (defun gnus-summary-save-process-mark ()
4447 "Push the current set of process marked articles on the stack."
4449 (push (copy-sequence gnus-newsgroup-processable)
4450 gnus-newsgroup-process-stack))
4452 (defun gnus-summary-kill-process-mark ()
4453 "Push the current set of process marked articles on the stack and unmark."
4455 (gnus-summary-save-process-mark)
4456 (gnus-summary-unmark-all-processable))
4458 (defun gnus-summary-yank-process-mark ()
4459 "Pop the last process mark state off the stack and restore it."
4461 (unless gnus-newsgroup-process-stack
4462 (error "Empty mark stack"))
4463 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
4465 (defun gnus-summary-process-mark-set (set)
4466 "Make SET into the current process marked articles."
4467 (gnus-summary-unmark-all-processable)
4469 (gnus-summary-set-process-mark (pop set))))
4471 ;;; Searching and stuff
4473 (defun gnus-summary-search-group (&optional backward use-level)
4474 "Search for next unread newsgroup.
4475 If optional argument BACKWARD is non-nil, search backward instead."
4477 (set-buffer gnus-group-buffer)
4478 (when (gnus-group-search-forward
4479 backward nil (if use-level (gnus-group-group-level) nil))
4480 (gnus-group-group-name))))
4482 (defun gnus-summary-best-group (&optional exclude-group)
4483 "Find the name of the best unread group.
4484 If EXCLUDE-GROUP, do not go to this group."
4486 (set-buffer gnus-group-buffer)
4488 (gnus-group-best-unread-group exclude-group))))
4490 (defun gnus-summary-find-next (&optional unread article backward)
4491 (if backward (gnus-summary-find-prev)
4492 (let* ((dummy (gnus-summary-article-intangible-p))
4493 (article (or article (gnus-summary-article-number)))
4494 (arts (gnus-data-find-list article))
4496 (when (and (not dummy)
4497 (or (not gnus-summary-check-current)
4499 (not (gnus-data-unread-p (car arts)))))
4500 (setq arts (cdr arts)))
4505 (when (gnus-data-unread-p (car arts))
4506 (setq result (car arts)
4508 (setq arts (cdr arts)))
4511 (goto-char (gnus-data-pos result))
4512 (gnus-data-number result)))))
4514 (defun gnus-summary-find-prev (&optional unread article)
4515 (let* ((eobp (eobp))
4516 (article (or article (gnus-summary-article-number)))
4517 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
4519 (when (and (not eobp)
4520 (or (not gnus-summary-check-current)
4522 (not (gnus-data-unread-p (car arts)))))
4523 (setq arts (cdr arts)))
4528 (when (gnus-data-unread-p (car arts))
4529 (setq result (car arts)
4531 (setq arts (cdr arts)))
4534 (goto-char (gnus-data-pos result))
4535 (gnus-data-number result))))
4537 (defun gnus-summary-find-subject (subject &optional unread backward article)
4538 (let* ((simp-subject (gnus-simplify-subject-fully subject))
4539 (article (or article (gnus-summary-article-number)))
4540 (articles (gnus-data-list backward))
4541 (arts (gnus-data-find-list article articles))
4543 (when (or (not gnus-summary-check-current)
4545 (not (gnus-data-unread-p (car arts))))
4546 (setq arts (cdr arts)))
4548 (and (or (not unread)
4549 (gnus-data-unread-p (car arts)))
4550 (vectorp (gnus-data-header (car arts)))
4552 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
4553 (setq result (car arts)
4555 (setq arts (cdr arts)))
4557 (goto-char (gnus-data-pos result))
4558 (gnus-data-number result))))
4560 (defun gnus-summary-search-forward (&optional unread subject backward)
4561 "Search forward for an article.
4562 If UNREAD, look for unread articles. If SUBJECT, look for
4563 articles with that subject. If BACKWARD, search backward instead."
4564 (cond (subject (gnus-summary-find-subject subject unread backward))
4565 (backward (gnus-summary-find-prev unread))
4566 (t (gnus-summary-find-next unread))))
4568 (defun gnus-recenter (&optional n)
4569 "Center point in window and redisplay frame.
4570 Also do horizontal recentering."
4572 (when (and gnus-auto-center-summary
4573 (not (eq gnus-auto-center-summary 'vertical)))
4574 (gnus-horizontal-recenter))
4577 (defun gnus-summary-recenter ()
4578 "Center point in the summary window.
4579 If `gnus-auto-center-summary' is nil, or the article buffer isn't
4580 displayed, no centering will be performed."
4581 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
4582 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
4583 (let* ((top (cond ((< (window-height) 4) 0)
4584 ((< (window-height) 7) 1)
4586 (height (1- (window-height)))
4587 (bottom (save-excursion (goto-char (point-max))
4588 (forward-line (- height))
4590 (window (get-buffer-window (current-buffer))))
4591 ;; The user has to want it.
4592 (when gnus-auto-center-summary
4593 (when (get-buffer-window gnus-article-buffer)
4594 ;; Only do recentering when the article buffer is displayed,
4595 ;; Set the window start to either `bottom', which is the biggest
4596 ;; possible valid number, or the second line from the top,
4597 ;; whichever is the least.
4599 window (min bottom (save-excursion
4600 (forward-line (- top)) (point)))))
4601 ;; Do horizontal recentering while we're at it.
4602 (when (and (get-buffer-window (current-buffer) t)
4603 (not (eq gnus-auto-center-summary 'vertical)))
4604 (let ((selected (selected-window)))
4605 (select-window (get-buffer-window (current-buffer) t))
4606 (gnus-summary-position-point)
4607 (gnus-horizontal-recenter)
4608 (select-window selected))))))
4610 (defun gnus-summary-jump-to-group (newsgroup)
4611 "Move point to NEWSGROUP in group mode buffer."
4612 ;; Keep update point of group mode buffer if visible.
4613 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
4614 (save-window-excursion
4615 ;; Take care of tree window mode.
4616 (when (get-buffer-window gnus-group-buffer)
4617 (pop-to-buffer gnus-group-buffer))
4618 (gnus-group-jump-to-group newsgroup))
4620 ;; Take care of tree window mode.
4621 (if (get-buffer-window gnus-group-buffer)
4622 (pop-to-buffer gnus-group-buffer)
4623 (set-buffer gnus-group-buffer))
4624 (gnus-group-jump-to-group newsgroup))))
4626 ;; This function returns a list of article numbers based on the
4627 ;; difference between the ranges of read articles in this group and
4628 ;; the range of active articles.
4629 (defun gnus-list-of-unread-articles (group)
4630 (let* ((read (gnus-info-read (gnus-get-info group)))
4631 (active (or (gnus-active group) (gnus-activate-group group)))
4634 ;; If none are read, then all are unread.
4636 (setq first (car active))
4637 ;; If the range of read articles is a single range, then the
4638 ;; first unread article is the article after the last read
4639 ;; article. Sounds logical, doesn't it?
4640 (if (not (listp (cdr read)))
4641 (setq first (1+ (cdr read)))
4642 ;; `read' is a list of ranges.
4643 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
4649 (while (< first nlast)
4651 (setq first (1+ first))))
4652 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
4653 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
4654 (setq read (cdr read)))))
4655 ;; And add the last unread articles.
4656 (while (<= first last)
4658 (setq first (1+ first)))
4659 ;; Return the list of unread articles.
4662 (defun gnus-list-of-read-articles (group)
4663 "Return a list of unread, unticked and non-dormant articles."
4664 (let* ((info (gnus-get-info group))
4665 (marked (gnus-info-marks info))
4666 (active (gnus-active group)))
4668 (gnus-set-difference
4669 (gnus-sorted-complement
4670 (gnus-uncompress-range active)
4671 (gnus-list-of-unread-articles group))
4673 (gnus-uncompress-range (cdr (assq 'dormant marked)))
4674 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
4676 ;; Various summary commands
4678 (defun gnus-summary-universal-argument (arg)
4679 "Perform any operation on all articles that are process/prefixed."
4681 (gnus-set-global-variables)
4682 (let ((articles (gnus-summary-work-articles arg))
4689 (substitute-command-keys
4690 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
4693 (gnus-error 1 "Undefined key")
4696 (gnus-summary-goto-subject (setq article (pop articles)))
4697 (let (gnus-newsgroup-processable)
4698 (command-execute func))
4699 (gnus-summary-remove-process-mark article)))))
4700 (gnus-summary-position-point))
4702 (defun gnus-summary-toggle-truncation (&optional arg)
4703 "Toggle truncation of summary lines.
4704 With arg, turn line truncation on iff arg is positive."
4706 (setq truncate-lines
4707 (if (null arg) (not truncate-lines)
4708 (> (prefix-numeric-value arg) 0)))
4711 (defun gnus-summary-reselect-current-group (&optional all rescan)
4712 "Exit and then reselect the current newsgroup.
4713 The prefix argument ALL means to select all articles."
4715 (gnus-set-global-variables)
4716 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
4717 (error "Ephemeral groups can't be reselected"))
4718 (let ((current-subject (gnus-summary-article-number))
4719 (group gnus-newsgroup-name))
4720 (setq gnus-newsgroup-begin nil)
4722 ;; We have to adjust the point of group mode buffer because
4723 ;; point was moved to the next unread newsgroup by exiting.
4724 (gnus-summary-jump-to-group group)
4727 (gnus-group-get-new-news-this-group 1)))
4728 (gnus-group-read-group all t)
4729 (gnus-summary-goto-subject current-subject nil t)))
4731 (defun gnus-summary-rescan-group (&optional all)
4732 "Exit the newsgroup, ask for new articles, and select the newsgroup."
4734 (gnus-summary-reselect-current-group all t))
4736 (defun gnus-summary-update-info (&optional non-destructive)
4738 (let ((group gnus-newsgroup-name))
4739 (when gnus-newsgroup-kill-headers
4740 (setq gnus-newsgroup-killed
4741 (gnus-compress-sequence
4743 (gnus-set-sorted-intersection
4744 (gnus-uncompress-range gnus-newsgroup-killed)
4745 (setq gnus-newsgroup-unselected
4746 (sort gnus-newsgroup-unselected '<)))
4747 (setq gnus-newsgroup-unreads
4748 (sort gnus-newsgroup-unreads '<)))
4750 (unless (listp (cdr gnus-newsgroup-killed))
4751 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
4752 (let ((headers gnus-newsgroup-headers))
4753 (when (and (not gnus-save-score)
4754 (not non-destructive))
4755 (setq gnus-newsgroup-scored nil))
4756 ;; Set the new ranges of read articles.
4757 (gnus-update-read-articles
4758 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
4759 ;; Set the current article marks.
4761 ;; Do the cross-ref thing.
4762 (when gnus-use-cross-reference
4763 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
4764 ;; Do adaptive scoring, and possibly save score files.
4765 (when gnus-newsgroup-adaptive
4766 (gnus-score-adaptive))
4767 (when gnus-use-scoring
4769 ;; Do not switch windows but change the buffer to work.
4770 (set-buffer gnus-group-buffer)
4771 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
4772 (gnus-group-update-group group))))))
4774 (defun gnus-summary-save-newsrc (&optional force)
4775 "Save the current number of read/marked articles in the dribble buffer.
4776 The dribble buffer will then be saved.
4777 If FORCE (the prefix), also save the .newsrc file(s)."
4779 (gnus-summary-update-info t)
4781 (gnus-save-newsrc-file)
4782 (gnus-dribble-save)))
4784 (defun gnus-summary-exit (&optional temporary)
4785 "Exit reading current newsgroup, and then return to group selection mode.
4786 gnus-exit-group-hook is called with no arguments if that value is non-nil."
4788 (gnus-set-global-variables)
4789 (gnus-kill-save-kill-buffer)
4790 (let* ((group gnus-newsgroup-name)
4791 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
4793 (buf (current-buffer)))
4794 (run-hooks 'gnus-summary-prepare-exit-hook)
4795 ;; If we have several article buffers, we kill them at exit.
4796 (unless gnus-single-article-buffer
4797 (gnus-kill-buffer gnus-original-article-buffer)
4798 (setq gnus-article-current nil))
4799 (when gnus-use-cache
4800 (gnus-cache-possibly-remove-articles)
4801 (gnus-cache-save-buffers))
4802 (gnus-async-prefetch-remove-group group)
4803 (when gnus-suppress-duplicates
4804 (gnus-dup-enter-articles))
4805 (when gnus-use-trees
4806 (gnus-tree-close group))
4807 ;; Make all changes in this group permanent.
4809 (run-hooks 'gnus-exit-group-hook)
4810 (gnus-summary-update-info))
4811 (gnus-close-group group)
4812 ;; Make sure where I was, and go to next newsgroup.
4813 (set-buffer gnus-group-buffer)
4815 (gnus-group-jump-to-group group))
4816 (run-hooks 'gnus-summary-exit-hook)
4818 (gnus-group-next-unread-group 1))
4821 ;; If we have several article buffers, we kill them at exit.
4822 (unless gnus-single-article-buffer
4823 (gnus-kill-buffer gnus-article-buffer)
4824 (gnus-kill-buffer gnus-original-article-buffer)
4825 (setq gnus-article-current nil))
4827 (if (not gnus-kill-summary-on-exit)
4828 (gnus-deaden-summary)
4829 ;; We set all buffer-local variables to nil. It is unclear why
4830 ;; this is needed, but if we don't, buffer-local variables are
4831 ;; not garbage-collected, it seems. This would the lead to en
4832 ;; ever-growing Emacs.
4833 (gnus-summary-clear-local-variables)
4834 (when (get-buffer gnus-article-buffer)
4835 (bury-buffer gnus-article-buffer))
4836 ;; We clear the global counterparts of the buffer-local
4837 ;; variables as well, just to be on the safe side.
4838 (set-buffer gnus-group-buffer)
4839 (gnus-summary-clear-local-variables)
4840 ;; Return to group mode buffer.
4841 (when (eq mode 'gnus-summary-mode)
4842 (gnus-kill-buffer buf)))
4843 (setq gnus-current-select-method gnus-select-method)
4844 (pop-to-buffer gnus-group-buffer)
4845 ;; Clear the current group name.
4846 (if (not quit-config)
4848 (gnus-group-jump-to-group group)
4849 (gnus-group-next-unread-group 1)
4850 (gnus-configure-windows 'group 'force))
4851 (gnus-handle-ephemeral-exit quit-config))
4853 (setq gnus-newsgroup-name nil)))))
4855 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
4856 (defun gnus-summary-exit-no-update (&optional no-questions)
4857 "Quit reading current newsgroup without updating read article info."
4859 (gnus-set-global-variables)
4860 (let* ((group gnus-newsgroup-name)
4861 (quit-config (gnus-group-quit-config group)))
4862 (when (or no-questions
4864 (gnus-y-or-n-p "Discard changes to this group and exit? "))
4865 ;; If we have several article buffers, we kill them at exit.
4866 (unless gnus-single-article-buffer
4867 (gnus-kill-buffer gnus-article-buffer)
4868 (gnus-kill-buffer gnus-original-article-buffer)
4869 (setq gnus-article-current nil))
4870 (if (not gnus-kill-summary-on-exit)
4871 (gnus-deaden-summary)
4872 (gnus-close-group group)
4873 (gnus-summary-clear-local-variables)
4874 (set-buffer gnus-group-buffer)
4875 (gnus-summary-clear-local-variables)
4876 (when (get-buffer gnus-summary-buffer)
4877 (kill-buffer gnus-summary-buffer)))
4878 (unless gnus-single-article-buffer
4879 (setq gnus-article-current nil))
4880 (when gnus-use-trees
4881 (gnus-tree-close group))
4882 (gnus-async-prefetch-remove-group group)
4883 (when (get-buffer gnus-article-buffer)
4884 (bury-buffer gnus-article-buffer))
4885 ;; Return to the group buffer.
4886 (gnus-configure-windows 'group 'force)
4887 ;; Clear the current group name.
4888 (setq gnus-newsgroup-name nil)
4889 (when (equal (gnus-group-group-name) group)
4890 (gnus-group-next-unread-group 1))
4892 (gnus-handle-ephemeral-exit quit-config)))))
4894 (defun gnus-handle-ephemeral-exit (quit-config)
4895 "Handle movement when leaving an ephemeral group. The state
4896 which existed when entering the ephemeral is reset."
4897 (if (not (buffer-name (car quit-config)))
4898 (gnus-configure-windows 'group 'force)
4899 (set-buffer (car quit-config))
4900 (cond ((eq major-mode 'gnus-summary-mode)
4901 (gnus-set-global-variables))
4902 ((eq major-mode 'gnus-article-mode)
4904 ;; The `gnus-summary-buffer' variable may point
4905 ;; to the old summary buffer when using a single
4907 (unless (gnus-buffer-live-p gnus-summary-buffer)
4908 (set-buffer gnus-group-buffer))
4909 (set-buffer gnus-summary-buffer)
4910 (gnus-set-global-variables))))
4911 (if (or (eq (cdr quit-config) 'article)
4912 (eq (cdr quit-config) 'pick))
4914 ;; The current article may be from the ephemeral group
4915 ;; thus it is best that we reload this article
4916 (gnus-summary-show-article)
4917 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
4918 (gnus-configure-windows 'pick 'force)
4919 (gnus-configure-windows (cdr quit-config) 'force)))
4920 (gnus-configure-windows (cdr quit-config) 'force))
4921 (when (eq major-mode 'gnus-summary-mode)
4922 (gnus-summary-next-subject 1 nil t)
4923 (gnus-summary-recenter)
4924 (gnus-summary-position-point))))
4928 (defvar gnus-dead-summary-mode-map nil)
4930 (unless gnus-dead-summary-mode-map
4931 (setq gnus-dead-summary-mode-map (make-keymap))
4932 (suppress-keymap gnus-dead-summary-mode-map)
4933 (substitute-key-definition
4934 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
4935 (let ((keys '("\C-d" "\r" "\177")))
4937 (define-key gnus-dead-summary-mode-map
4938 (pop keys) 'gnus-summary-wake-up-the-dead))))
4940 (defvar gnus-dead-summary-mode nil
4941 "Minor mode for Gnus summary buffers.")
4943 (defun gnus-dead-summary-mode (&optional arg)
4944 "Minor mode for Gnus summary buffers."
4946 (when (eq major-mode 'gnus-summary-mode)
4947 (make-local-variable 'gnus-dead-summary-mode)
4948 (setq gnus-dead-summary-mode
4949 (if (null arg) (not gnus-dead-summary-mode)
4950 (> (prefix-numeric-value arg) 0)))
4951 (when gnus-dead-summary-mode
4952 (unless (assq 'gnus-dead-summary-mode minor-mode-alist)
4953 (push '(gnus-dead-summary-mode " Dead") minor-mode-alist))
4954 (unless (assq 'gnus-dead-summary-mode minor-mode-map-alist)
4955 (push (cons 'gnus-dead-summary-mode gnus-dead-summary-mode-map)
4956 minor-mode-map-alist)))))
4958 (defun gnus-deaden-summary ()
4959 "Make the current summary buffer into a dead summary buffer."
4960 ;; Kill any previous dead summary buffer.
4961 (when (and gnus-dead-summary
4962 (buffer-name gnus-dead-summary))
4964 (set-buffer gnus-dead-summary)
4965 (when gnus-dead-summary-mode
4966 (kill-buffer (current-buffer)))))
4967 ;; Make this the current dead summary.
4968 (setq gnus-dead-summary (current-buffer))
4969 (gnus-dead-summary-mode 1)
4970 (let ((name (buffer-name)))
4971 (when (string-match "Summary" name)
4973 (concat (substring name 0 (match-beginning 0)) "Dead "
4974 (substring name (match-beginning 0)))
4977 (defun gnus-kill-or-deaden-summary (buffer)
4978 "Kill or deaden the summary BUFFER."
4979 (when (and (buffer-name buffer)
4980 (not gnus-single-article-buffer))
4983 (gnus-kill-buffer gnus-article-buffer)
4984 (gnus-kill-buffer gnus-original-article-buffer)))
4985 (cond (gnus-kill-summary-on-exit
4986 (when (and gnus-use-trees
4987 (and (get-buffer buffer)
4988 (buffer-name (get-buffer buffer))))
4990 (set-buffer (get-buffer buffer))
4991 (gnus-tree-close gnus-newsgroup-name)))
4992 (gnus-kill-buffer buffer))
4993 ((and (get-buffer buffer)
4994 (buffer-name (get-buffer buffer)))
4997 (gnus-deaden-summary)))))
4999 (defun gnus-summary-wake-up-the-dead (&rest args)
5000 "Wake up the dead summary buffer."
5002 (gnus-dead-summary-mode -1)
5003 (let ((name (buffer-name)))
5004 (when (string-match "Dead " name)
5006 (concat (substring name 0 (match-beginning 0))
5007 (substring name (match-end 0)))
5009 (gnus-message 3 "This dead summary is now alive again"))
5011 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5012 (defun gnus-summary-fetch-faq (&optional faq-dir)
5013 "Fetch the FAQ for the current group.
5014 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5018 (when current-prefix-arg
5020 "Faq dir: " (and (listp gnus-group-faq-directory)
5021 gnus-group-faq-directory)))))
5022 (let (gnus-faq-buffer)
5023 (when (setq gnus-faq-buffer
5024 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5025 (gnus-configure-windows 'summary-faq))))
5027 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5028 (defun gnus-summary-describe-group (&optional force)
5029 "Describe the current newsgroup."
5031 (gnus-group-describe-group force gnus-newsgroup-name))
5033 (defun gnus-summary-describe-briefly ()
5034 "Describe summary mode commands briefly."
5037 (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
5039 ;; Walking around group mode buffer from summary mode.
5041 (defun gnus-summary-next-group (&optional no-article target-group backward)
5042 "Exit current newsgroup and then select next unread newsgroup.
5043 If prefix argument NO-ARTICLE is non-nil, no article is selected
5044 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5045 previous group instead."
5047 (gnus-set-global-variables)
5048 ;; Stop pre-fetching.
5049 (gnus-async-halt-prefetch)
5050 (let ((current-group gnus-newsgroup-name)
5051 (current-buffer (current-buffer))
5053 ;; First we semi-exit this group to update Xrefs and all variables.
5054 ;; We can't do a real exit, because the window conf must remain
5055 ;; the same in case the user is prompted for info, and we don't
5056 ;; want the window conf to change before that...
5057 (gnus-summary-exit t)
5058 (while (not entered)
5059 ;; Then we find what group we are supposed to enter.
5060 (set-buffer gnus-group-buffer)
5061 (gnus-group-jump-to-group current-group)
5064 (if (eq gnus-keep-same-level 'best)
5065 (gnus-summary-best-group gnus-newsgroup-name)
5066 (gnus-summary-search-group backward gnus-keep-same-level))))
5067 (if (not target-group)
5068 ;; There are no further groups, so we return to the group
5071 (gnus-message 5 "Returning to the group buffer")
5073 (set-buffer current-buffer)
5075 (run-hooks 'gnus-group-no-more-groups-hook))
5076 ;; We try to enter the target group.
5077 (gnus-group-jump-to-group target-group)
5078 (let ((unreads (gnus-group-group-unread)))
5079 (if (and (or (eq t unreads)
5080 (and unreads (not (zerop unreads))))
5081 (gnus-summary-read-group
5082 target-group nil no-article current-buffer))
5084 (setq current-group target-group
5085 target-group nil)))))))
5087 (defun gnus-summary-prev-group (&optional no-article)
5088 "Exit current newsgroup and then select previous unread newsgroup.
5089 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5091 (gnus-summary-next-group no-article nil t))
5093 ;; Walking around summary lines.
5095 (defun gnus-summary-first-subject (&optional unread)
5096 "Go to the first unread subject.
5097 If UNREAD is non-nil, go to the first unread article.
5098 Returns the article selected or nil if there are no unread articles."
5103 ((null gnus-newsgroup-data)
5104 (gnus-message 3 "No articles in the group")
5106 ;; Pick the first article.
5108 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5109 (gnus-data-number (car gnus-newsgroup-data)))
5110 ;; No unread articles.
5111 ((null gnus-newsgroup-unreads)
5112 (gnus-message 3 "No more unread articles")
5114 ;; Find the first unread article.
5116 (let ((data gnus-newsgroup-data))
5118 (not (gnus-data-unread-p (car data))))
5119 (setq data (cdr data)))
5121 (goto-char (gnus-data-pos (car data)))
5122 (gnus-data-number (car data))))))
5123 (gnus-summary-position-point)))
5125 (defun gnus-summary-next-subject (n &optional unread dont-display)
5126 "Go to next N'th summary line.
5127 If N is negative, go to the previous N'th subject line.
5128 If UNREAD is non-nil, only unread articles are selected.
5129 The difference between N and the actual number of steps taken is
5132 (let ((backward (< n 0))
5136 (gnus-summary-find-prev unread)
5137 (gnus-summary-find-next unread)))
5140 (gnus-message 7 "No more%s articles"
5141 (if unread " unread" "")))
5142 (unless dont-display
5143 (gnus-summary-recenter)
5144 (gnus-summary-position-point))
5147 (defun gnus-summary-next-unread-subject (n)
5148 "Go to next N'th unread summary line."
5150 (gnus-summary-next-subject n t))
5152 (defun gnus-summary-prev-subject (n &optional unread)
5153 "Go to previous N'th summary line.
5154 If optional argument UNREAD is non-nil, only unread article is selected."
5156 (gnus-summary-next-subject (- n) unread))
5158 (defun gnus-summary-prev-unread-subject (n)
5159 "Go to previous N'th unread summary line."
5161 (gnus-summary-next-subject (- n) t))
5163 (defun gnus-summary-goto-subject (article &optional force silent)
5164 "Go the subject line of ARTICLE.
5165 If FORCE, also allow jumping to articles not currently shown."
5166 (interactive "nArticle number: ")
5168 (data (gnus-data-find article)))
5169 ;; We read in the article if we have to.
5172 (gnus-summary-insert-subject article (and (vectorp force) force) t)
5173 (setq data (gnus-data-find article)))
5178 (gnus-message 3 "Can't find article %d" article))
5180 (goto-char (gnus-data-pos data))
5183 ;; Walking around summary lines with displaying articles.
5185 (defun gnus-summary-expand-window (&optional arg)
5186 "Make the summary buffer take up the entire Emacs frame.
5187 Given a prefix, will force an `article' buffer configuration."
5189 (gnus-set-global-variables)
5191 (gnus-configure-windows 'article 'force)
5192 (gnus-configure-windows 'summary 'force)))
5194 (defun gnus-summary-display-article (article &optional all-header)
5195 "Display ARTICLE in article buffer."
5196 (gnus-set-global-variables)
5200 (if gnus-summary-display-article-function
5201 (funcall gnus-summary-display-article-function article all-header)
5202 (gnus-article-prepare article all-header))
5203 (run-hooks 'gnus-select-article-hook)
5204 (when (and gnus-current-article
5205 (not (zerop gnus-current-article)))
5206 (gnus-summary-goto-subject gnus-current-article))
5207 (gnus-summary-recenter)
5208 (when (and gnus-use-trees gnus-show-threads)
5209 (gnus-possibly-generate-tree article)
5210 (gnus-highlight-selected-tree article))
5211 ;; Successfully display article.
5212 (gnus-article-set-window-start
5213 (cdr (assq article gnus-newsgroup-bookmarks))))))
5215 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5216 "Select the current article.
5217 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5218 non-nil, the article will be re-fetched even if it already present in
5219 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5221 ;; Make sure we are in the summary buffer to work around bbdb bug.
5222 (unless (eq major-mode 'gnus-summary-mode)
5223 (set-buffer gnus-summary-buffer))
5224 (let ((article (or article (gnus-summary-article-number)))
5225 (all-headers (not (not all-headers))) ;Must be T or NIL.
5226 gnus-summary-display-article-function
5229 (gnus-summary-article-pseudo-p article)
5230 (error "This is a pseudo-article."))
5233 (set-buffer gnus-summary-buffer)
5234 (if (or (and gnus-single-article-buffer
5235 (or (null gnus-current-article)
5236 (null gnus-article-current)
5237 (null (get-buffer gnus-article-buffer))
5238 (not (eq article (cdr gnus-article-current)))
5239 (not (equal (car gnus-article-current)
5240 gnus-newsgroup-name))))
5241 (and (not gnus-single-article-buffer)
5242 (or (null gnus-current-article)
5243 (not (eq gnus-current-article article))))
5245 ;; The requested article is different from the current article.
5247 (gnus-summary-display-article article all-headers)
5249 (when (or all-headers gnus-show-all-headers)
5250 (gnus-article-show-all-headers))
5253 (gnus-article-set-window-start
5254 (cdr (assq article gnus-newsgroup-bookmarks)))))))
5256 (defun gnus-summary-set-current-mark (&optional current-mark)
5257 "Obsolete function."
5260 (defun gnus-summary-next-article (&optional unread subject backward push)
5261 "Select the next article.
5262 If UNREAD, only unread articles are selected.
5263 If SUBJECT, only articles with SUBJECT are selected.
5264 If BACKWARD, the previous article is selected instead of the next."
5266 (gnus-set-global-variables)
5268 ;; Is there such an article?
5269 ((and (gnus-summary-search-forward unread subject backward)
5270 (or (gnus-summary-display-article (gnus-summary-article-number))
5271 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5272 (gnus-summary-position-point))
5273 ;; If not, we try the first unread, if that is wanted.
5275 gnus-auto-select-same
5276 (gnus-summary-first-unread-article))
5277 (gnus-summary-position-point)
5278 (gnus-message 6 "Wrapped"))
5279 ;; Try to get next/previous article not displayed in this group.
5280 ((and gnus-auto-extend-newsgroup
5281 (not unread) (not subject))
5282 (gnus-summary-goto-article
5283 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5285 ;; Go to next/previous group.
5287 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5288 (gnus-summary-jump-to-group gnus-newsgroup-name))
5289 (let ((cmd last-command-char)
5291 (if (eq gnus-keep-same-level 'best)
5292 (gnus-summary-best-group gnus-newsgroup-name)
5293 (gnus-summary-search-group backward gnus-keep-same-level))))
5294 ;; For some reason, the group window gets selected. We change
5296 (select-window (get-buffer-window (current-buffer)))
5297 ;; Select next unread newsgroup automagically.
5299 ((or (not gnus-auto-select-next)
5301 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5302 ((or (eq gnus-auto-select-next 'quietly)
5303 (and (eq gnus-auto-select-next 'slightly-quietly)
5305 (and (eq gnus-auto-select-next 'almost-quietly)
5306 (gnus-summary-last-article-p)))
5308 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5310 (gnus-message 7 "No more%s articles (%s)..."
5311 (if unread " unread" "")
5312 (if group (concat "selecting " group)
5314 (gnus-summary-next-group nil group backward)))
5316 (when (gnus-key-press-event-p last-input-event)
5317 (gnus-summary-walk-group-buffer
5318 gnus-newsgroup-name cmd unread backward))))))))
5320 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward)
5321 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5322 (?\C-p (gnus-group-prev-unread-group 1))))
5323 (cursor-in-echo-area t)
5324 keve key group ended)
5326 (set-buffer gnus-group-buffer)
5327 (gnus-summary-jump-to-group from-group)
5329 (if (eq gnus-keep-same-level 'best)
5330 (gnus-summary-best-group gnus-newsgroup-name)
5331 (gnus-summary-search-group backward gnus-keep-same-level))))
5334 5 "No more%s articles%s" (if unread " unread" "")
5336 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5337 (format " (Type %s for %s [%s])"
5338 (single-key-description cmd) group
5339 (car (gnus-gethash group gnus-newsrc-hashtb)))
5340 (format " (Type %s to exit %s)"
5341 (single-key-description cmd)
5342 gnus-newsgroup-name)))
5343 ;; Confirm auto selection.
5344 (setq key (car (setq keve (gnus-read-event-char))))
5347 ((assq key keystrokes)
5348 (let ((obuf (current-buffer)))
5349 (switch-to-buffer gnus-group-buffer)
5351 (gnus-group-jump-to-group group))
5352 (eval (cadr (assq key keystrokes)))
5353 (setq group (gnus-group-group-name))
5354 (switch-to-buffer obuf))
5358 (gnus-ephemeral-group-p gnus-newsgroup-name))
5360 (gnus-summary-next-group nil group backward)))
5362 (push (cdr keve) unread-command-events))))))
5364 (defun gnus-summary-next-unread-article ()
5365 "Select unread article after current one."
5367 (gnus-summary-next-article
5368 (or (not (eq gnus-summary-goto-unread 'never))
5369 (gnus-summary-last-article-p (gnus-summary-article-number)))
5370 (and gnus-auto-select-same
5371 (gnus-summary-article-subject))))
5373 (defun gnus-summary-prev-article (&optional unread subject)
5374 "Select the article after the current one.
5375 If UNREAD is non-nil, only unread articles are selected."
5377 (gnus-summary-next-article unread subject t))
5379 (defun gnus-summary-prev-unread-article ()
5380 "Select unread article before current one."
5382 (gnus-summary-prev-article
5383 (or (not (eq gnus-summary-goto-unread 'never))
5384 (gnus-summary-first-article-p (gnus-summary-article-number)))
5385 (and gnus-auto-select-same
5386 (gnus-summary-article-subject))))
5388 (defun gnus-summary-next-page (&optional lines circular)
5389 "Show next page of the selected article.
5390 If at the end of the current article, select the next article.
5391 LINES says how many lines should be scrolled up.
5393 If CIRCULAR is non-nil, go to the start of the article instead of
5394 selecting the next article when reaching the end of the current
5397 (setq gnus-summary-buffer (current-buffer))
5398 (gnus-set-global-variables)
5399 (let ((article (gnus-summary-article-number))
5400 (article-window (get-buffer-window gnus-article-buffer t))
5402 (gnus-configure-windows 'article)
5403 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
5404 (if (and (eq gnus-summary-goto-unread 'never)
5405 (not (gnus-summary-last-article-p article)))
5406 (gnus-summary-next-article)
5407 (gnus-summary-next-unread-article))
5408 (if (or (null gnus-current-article)
5409 (null gnus-article-current)
5410 (/= article (cdr gnus-article-current))
5411 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5412 ;; Selected subject is different from current article's.
5413 (gnus-summary-display-article article)
5414 (when article-window
5415 (gnus-eval-in-buffer-window gnus-article-buffer
5416 (setq endp (gnus-article-next-page lines)))
5419 (gnus-summary-beginning-of-article))
5421 (gnus-message 3 "End of message"))
5423 (if (and (eq gnus-summary-goto-unread 'never)
5424 (not (gnus-summary-last-article-p article)))
5425 (gnus-summary-next-article)
5426 (gnus-summary-next-unread-article))))))))
5427 (gnus-summary-recenter)
5428 (gnus-summary-position-point)))
5430 (defun gnus-summary-prev-page (&optional lines)
5431 "Show previous page of selected article.
5432 Argument LINES specifies lines to be scrolled down."
5434 (gnus-set-global-variables)
5435 (let ((article (gnus-summary-article-number))
5436 (article-window (get-buffer-window gnus-article-buffer t)))
5437 (gnus-configure-windows 'article)
5438 (if (or (null gnus-current-article)
5439 (null gnus-article-current)
5440 (/= article (cdr gnus-article-current))
5441 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5442 ;; Selected subject is different from current article's.
5443 (gnus-summary-display-article article)
5444 (gnus-summary-recenter)
5445 (when article-window
5446 (gnus-eval-in-buffer-window gnus-article-buffer
5447 (gnus-article-prev-page lines)))))
5448 (gnus-summary-position-point))
5450 (defun gnus-summary-scroll-up (lines)
5451 "Scroll up (or down) one line current article.
5452 Argument LINES specifies lines to be scrolled up (or down if negative)."
5454 (gnus-set-global-variables)
5455 (gnus-configure-windows 'article)
5456 (gnus-summary-show-thread)
5457 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
5458 (gnus-eval-in-buffer-window gnus-article-buffer
5460 (when (gnus-article-next-page lines)
5461 (gnus-message 3 "End of message")))
5463 (gnus-article-prev-page (- lines))))))
5464 (gnus-summary-recenter)
5465 (gnus-summary-position-point))
5467 (defun gnus-summary-next-same-subject ()
5468 "Select next article which has the same subject as current one."
5470 (gnus-set-global-variables)
5471 (gnus-summary-next-article nil (gnus-summary-article-subject)))
5473 (defun gnus-summary-prev-same-subject ()
5474 "Select previous article which has the same subject as current one."
5476 (gnus-set-global-variables)
5477 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
5479 (defun gnus-summary-next-unread-same-subject ()
5480 "Select next unread article which has the same subject as current one."
5482 (gnus-set-global-variables)
5483 (gnus-summary-next-article t (gnus-summary-article-subject)))
5485 (defun gnus-summary-prev-unread-same-subject ()
5486 "Select previous unread article which has the same subject as current one."
5488 (gnus-set-global-variables)
5489 (gnus-summary-prev-article t (gnus-summary-article-subject)))
5491 (defun gnus-summary-first-unread-article ()
5492 "Select the first unread article.
5493 Return nil if there are no unread articles."
5495 (gnus-set-global-variables)
5497 (when (gnus-summary-first-subject t)
5498 (gnus-summary-show-thread)
5499 (gnus-summary-first-subject t)
5500 (gnus-summary-display-article (gnus-summary-article-number)))
5501 (gnus-summary-position-point)))
5503 (defun gnus-summary-first-article ()
5504 "Select the first article.
5505 Return nil if there are no articles."
5507 (gnus-set-global-variables)
5509 (when (gnus-summary-first-subject)
5510 (gnus-summary-show-thread)
5511 (gnus-summary-first-subject)
5512 (gnus-summary-display-article (gnus-summary-article-number)))
5513 (gnus-summary-position-point)))
5515 (defun gnus-summary-best-unread-article ()
5516 "Select the unread article with the highest score."
5518 (gnus-set-global-variables)
5519 (let ((best -1000000)
5520 (data gnus-newsgroup-data)
5523 (and (gnus-data-unread-p (car data))
5525 (gnus-summary-article-score (gnus-data-number (car data))))
5528 article (gnus-data-number (car data))))
5529 (setq data (cdr data)))
5532 (gnus-summary-goto-article article)
5533 (error "No unread articles"))
5534 (gnus-summary-position-point))))
5536 (defun gnus-summary-last-subject ()
5537 "Go to the last displayed subject line in the group."
5538 (let ((article (gnus-data-number (car (gnus-data-list t)))))
5540 (gnus-summary-goto-subject article))))
5542 (defun gnus-summary-goto-article (article &optional all-headers force)
5543 "Fetch ARTICLE and display it if it exists.
5544 If ALL-HEADERS is non-nil, no header lines are hidden."
5550 (mapcar (lambda (number) (list (int-to-string number)))
5551 gnus-newsgroup-limit)))
5555 (if (gnus-summary-goto-subject article force)
5556 (gnus-summary-display-article article all-headers)
5557 (gnus-message 4 "Couldn't go to article %s" article) nil)
5558 (gnus-summary-position-point)))
5560 (defun gnus-summary-goto-last-article ()
5561 "Go to the previously read article."
5564 (when gnus-last-article
5565 (gnus-summary-goto-article gnus-last-article))
5566 (gnus-summary-position-point)))
5568 (defun gnus-summary-pop-article (number)
5569 "Pop one article off the history and go to the previous.
5570 NUMBER articles will be popped off."
5573 (setq gnus-newsgroup-history
5574 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
5576 (gnus-summary-goto-article (car to))
5577 (error "Article history empty")))
5578 (gnus-summary-position-point))
5580 ;; Summary commands and functions for limiting the summary buffer.
5582 (defun gnus-summary-limit-to-articles (n)
5583 "Limit the summary buffer to the next N articles.
5584 If not given a prefix, use the process marked articles instead."
5586 (gnus-set-global-variables)
5588 (let ((articles (gnus-summary-work-articles n)))
5589 (setq gnus-newsgroup-processable nil)
5590 (gnus-summary-limit articles))
5591 (gnus-summary-position-point)))
5593 (defun gnus-summary-pop-limit (&optional total)
5594 "Restore the previous limit.
5595 If given a prefix, remove all limits."
5597 (gnus-set-global-variables)
5599 (setq gnus-newsgroup-limits
5600 (list (mapcar (lambda (h) (mail-header-number h))
5601 gnus-newsgroup-headers))))
5602 (unless gnus-newsgroup-limits
5603 (error "No limit to pop"))
5605 (gnus-summary-limit nil 'pop)
5606 (gnus-summary-position-point)))
5608 (defun gnus-summary-limit-to-subject (subject &optional header)
5609 "Limit the summary buffer to articles that have subjects that match a regexp."
5610 (interactive "sLimit to subject (regexp): ")
5612 (setq header "subject"))
5613 (when (not (equal "" subject))
5615 (let ((articles (gnus-summary-find-matching
5616 (or header "subject") subject 'all)))
5618 (error "Found no matches for \"%s\"" subject))
5619 (gnus-summary-limit articles))
5620 (gnus-summary-position-point))))
5622 (defun gnus-summary-limit-to-author (from)
5623 "Limit the summary buffer to articles that have authors that match a regexp."
5624 (interactive "sLimit to author (regexp): ")
5625 (gnus-summary-limit-to-subject from "from"))
5627 (defun gnus-summary-limit-to-age (age &optional younger-p)
5628 "Limit the summary buffer to articles that are older than (or equal) AGE days.
5629 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
5630 articles that are younger than AGE days."
5631 (interactive "nTime in days: \nP")
5633 (let ((data gnus-newsgroup-data)
5634 (cutoff (nnmail-days-to-time age))
5635 articles d date is-younger)
5636 (while (setq d (pop data))
5637 (when (and (vectorp (gnus-data-header d))
5638 (setq date (mail-header-date (gnus-data-header d))))
5639 (setq is-younger (nnmail-time-less
5640 (nnmail-time-since (nnmail-date-to-time date))
5642 (when (if younger-p is-younger (not is-younger))
5643 (push (gnus-data-number d) articles))))
5644 (gnus-summary-limit (nreverse articles)))
5645 (gnus-summary-position-point)))
5647 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
5649 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
5651 (defun gnus-summary-limit-to-unread (&optional all)
5652 "Limit the summary buffer to articles that are not marked as read.
5653 If ALL is non-nil, limit strictly to unread articles."
5656 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
5657 (gnus-summary-limit-to-marks
5658 ;; Concat all the marks that say that an article is read and have
5660 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
5661 gnus-killed-mark gnus-kill-file-mark
5662 gnus-low-score-mark gnus-expirable-mark
5663 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
5664 gnus-duplicate-mark)
5667 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
5668 (make-obsolete 'gnus-summary-delete-marked-with
5669 'gnus-summary-limit-exlude-marks)
5671 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
5672 "Exclude articles that are marked with MARKS (e.g. \"DK\").
5673 If REVERSE, limit the summary buffer to articles that are marked
5674 with MARKS. MARKS can either be a string of marks or a list of marks.
5675 Returns how many articles were removed."
5676 (interactive "sMarks: ")
5677 (gnus-summary-limit-to-marks marks t))
5679 (defun gnus-summary-limit-to-marks (marks &optional reverse)
5680 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
5681 If REVERSE (the prefix), limit the summary buffer to articles that are
5682 not marked with MARKS. MARKS can either be a string of marks or a
5684 Returns how many articles were removed."
5685 (interactive (list (read-string "Marks: ") current-prefix-arg))
5686 (gnus-set-global-variables)
5688 (let ((data gnus-newsgroup-data)
5689 (marks (if (listp marks) marks
5690 (append marks nil))) ; Transform to list.
5693 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
5694 (memq (gnus-data-mark (car data)) marks))
5695 (push (gnus-data-number (car data)) articles))
5696 (setq data (cdr data)))
5697 (gnus-summary-limit articles))
5698 (gnus-summary-position-point)))
5700 (defun gnus-summary-limit-to-score (&optional score)
5701 "Limit to articles with score at or above SCORE."
5703 (gnus-set-global-variables)
5704 (setq score (if score
5705 (prefix-numeric-value score)
5706 (or gnus-summary-default-score 0)))
5707 (let ((data gnus-newsgroup-data)
5710 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
5712 (push (gnus-data-number (car data)) articles))
5713 (setq data (cdr data)))
5715 (gnus-summary-limit articles)
5716 (gnus-summary-position-point))))
5718 (defun gnus-summary-limit-include-dormant ()
5719 "Display all the hidden articles that are marked as dormant."
5721 (gnus-set-global-variables)
5722 (unless gnus-newsgroup-dormant
5723 (error "There are no dormant articles in this group"))
5725 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
5726 (gnus-summary-position-point)))
5728 (defun gnus-summary-limit-exclude-dormant ()
5729 "Hide all dormant articles."
5731 (gnus-set-global-variables)
5733 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
5734 (gnus-summary-position-point)))
5736 (defun gnus-summary-limit-exclude-childless-dormant ()
5737 "Hide all dormant articles that have no children."
5739 (gnus-set-global-variables)
5740 (let ((data (gnus-data-list t))
5741 articles d children)
5742 ;; Find all articles that are either not dormant or have
5744 (while (setq d (pop data))
5745 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
5747 (gnus-article-children (gnus-data-number d)))
5750 (when (memq (car children) articles)
5755 (push (gnus-data-number d) articles)))
5758 (gnus-summary-limit articles)
5759 (gnus-summary-position-point))))
5761 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
5762 "Mark all unread excluded articles as read.
5763 If ALL, mark even excluded ticked and dormants as read."
5765 (let ((articles (gnus-sorted-complement
5767 (mapcar (lambda (h) (mail-header-number h))
5768 gnus-newsgroup-headers)
5770 (sort gnus-newsgroup-limit '<)))
5772 (setq gnus-newsgroup-unreads nil)
5774 (setq gnus-newsgroup-dormant nil
5775 gnus-newsgroup-marked nil
5776 gnus-newsgroup-reads
5778 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
5779 gnus-newsgroup-reads))
5780 (while (setq article (pop articles))
5781 (unless (or (memq article gnus-newsgroup-dormant)
5782 (memq article gnus-newsgroup-marked))
5783 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
5785 (defun gnus-summary-limit (articles &optional pop)
5787 ;; We pop the previous limit off the stack and use that.
5788 (setq articles (car gnus-newsgroup-limits)
5789 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
5790 ;; We use the new limit, so we push the old limit on the stack.
5791 (push gnus-newsgroup-limit gnus-newsgroup-limits))
5793 (setq gnus-newsgroup-limit articles)
5794 (let ((total (length gnus-newsgroup-data))
5795 (data (gnus-data-find-list (gnus-summary-article-number)))
5796 (gnus-summary-mark-below nil) ; Inhibit this.
5798 ;; This will do all the work of generating the new summary buffer
5799 ;; according to the new limit.
5800 (gnus-summary-prepare)
5801 ;; Hide any threads, possibly.
5802 (and gnus-show-threads
5803 gnus-thread-hide-subtree
5804 (gnus-summary-hide-all-threads))
5805 ;; Try to return to the article you were at, or one in the
5808 ;; We try to find some article after the current one.
5810 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
5813 (setq data (cdr data))))
5815 ;; If there is no data, that means that we were after the last
5816 ;; article. The same goes when we can't find any articles
5817 ;; after the current one.
5818 (goto-char (point-max))
5819 (gnus-summary-find-prev))
5820 ;; We return how many articles were removed from the summary
5821 ;; buffer as a result of the new limit.
5822 (- total (length gnus-newsgroup-data))))
5824 (defsubst gnus-invisible-cut-children (threads)
5827 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
5832 (defsubst gnus-cut-thread (thread)
5833 "Go forwards in the thread until we find an article that we want to display."
5834 (when (or (eq gnus-fetch-old-headers 'some)
5835 (eq gnus-build-sparse-threads 'some)
5836 (eq gnus-build-sparse-threads 'more))
5837 ;; Deal with old-fetched headers and sparse threads.
5841 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
5842 (gnus-summary-article-ancient-p
5843 (mail-header-number (car thread))))
5845 (if (<= (length (cdr thread)) 1)
5846 (setq thread (cadr thread))
5847 (when (gnus-invisible-cut-children (cdr thread))
5848 (let ((th (cdr thread)))
5850 (if (memq (mail-header-number (caar th))
5851 gnus-newsgroup-limit)
5852 (setq thread (car th)
5854 (setq th (cdr th)))))))))
5858 (defun gnus-cut-threads (threads)
5859 "Cut off all uninteresting articles from the beginning of threads."
5860 (when (or (eq gnus-fetch-old-headers 'some)
5861 (eq gnus-build-sparse-threads 'some)
5862 (eq gnus-build-sparse-threads 'more))
5865 (setcar th (gnus-cut-thread (car th)))
5866 (setq th (cdr th)))))
5867 ;; Remove nixed out threads.
5870 (defun gnus-summary-initial-limit (&optional show-if-empty)
5871 "Figure out what the initial limit is supposed to be on group entry.
5872 This entails weeding out unwanted dormants, low-scored articles,
5873 fetch-old-headers verbiage, and so on."
5874 ;; Most groups have nothing to remove.
5875 (if (or gnus-inhibit-limiting
5876 (and (null gnus-newsgroup-dormant)
5877 (not (eq gnus-fetch-old-headers 'some))
5878 (null gnus-summary-expunge-below)
5879 (not (eq gnus-build-sparse-threads 'some))
5880 (not (eq gnus-build-sparse-threads 'more))
5881 (null gnus-thread-expunge-below)
5882 (not gnus-use-nocem)))
5884 (push gnus-newsgroup-limit gnus-newsgroup-limits)
5885 (setq gnus-newsgroup-limit nil)
5888 (unless (car (symbol-value node))
5889 ;; These threads have no parents -- they are roots.
5890 (let ((nodes (cdr (symbol-value node)))
5893 (if (and gnus-thread-expunge-below
5894 (< (gnus-thread-total-score (car nodes))
5895 gnus-thread-expunge-below))
5896 (gnus-expunge-thread (pop nodes))
5897 (setq thread (pop nodes))
5898 (gnus-summary-limit-children thread))))))
5899 gnus-newsgroup-dependencies)
5900 ;; If this limitation resulted in an empty group, we might
5901 ;; pop the previous limit and use it instead.
5902 (when (and (not gnus-newsgroup-limit)
5904 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
5905 gnus-newsgroup-limit))
5907 (defun gnus-summary-limit-children (thread)
5908 "Return 1 if this subthread is visible and 0 if it is not."
5909 ;; First we get the number of visible children to this thread. This
5910 ;; is done by recursing down the thread using this function, so this
5911 ;; will really go down to a leaf article first, before slowly
5912 ;; working its way up towards the root.
5916 (apply '+ (mapcar 'gnus-summary-limit-children
5919 (number (mail-header-number (car thread)))
5922 (not (memq number gnus-newsgroup-marked))
5924 ;; If this article is dormant and has absolutely no visible
5925 ;; children, then this article isn't visible.
5926 (and (memq number gnus-newsgroup-dormant)
5928 ;; If this is "fetch-old-headered" and there is no
5929 ;; visible children, then we don't want this article.
5930 (and (eq gnus-fetch-old-headers 'some)
5931 (gnus-summary-article-ancient-p number)
5933 ;; If this is a sparsely inserted article with no children,
5934 ;; we don't want it.
5935 (and (eq gnus-build-sparse-threads 'some)
5936 (gnus-summary-article-sparse-p number)
5938 ;; If we use expunging, and this article is really
5939 ;; low-scored, then we don't want this article.
5940 (when (and gnus-summary-expunge-below
5942 (or (cdr (assq number gnus-newsgroup-scored))
5943 gnus-summary-default-score))
5944 gnus-summary-expunge-below))
5945 ;; We increase the expunge-tally here, but that has
5946 ;; nothing to do with the limits, really.
5947 (incf gnus-newsgroup-expunged-tally)
5948 ;; We also mark as read here, if that's wanted.
5949 (when (and gnus-summary-mark-below
5950 (< score gnus-summary-mark-below))
5951 (setq gnus-newsgroup-unreads
5952 (delq number gnus-newsgroup-unreads))
5953 (if gnus-newsgroup-auto-expire
5954 (push number gnus-newsgroup-expirable)
5955 (push (cons number gnus-low-score-mark)
5956 gnus-newsgroup-reads)))
5958 ;; Check NoCeM things.
5959 (if (and gnus-use-nocem
5960 (gnus-nocem-unwanted-article-p
5961 (mail-header-id (car thread))))
5963 (setq gnus-newsgroup-reads
5964 (delq number gnus-newsgroup-unreads))
5966 ;; Nope, invisible article.
5968 ;; Ok, this article is to be visible, so we add it to the limit
5970 (push number gnus-newsgroup-limit)
5973 (defun gnus-expunge-thread (thread)
5974 "Mark all articles in THREAD as read."
5975 (let* ((number (mail-header-number (car thread))))
5976 (incf gnus-newsgroup-expunged-tally)
5977 ;; We also mark as read here, if that's wanted.
5978 (setq gnus-newsgroup-unreads
5979 (delq number gnus-newsgroup-unreads))
5980 (if gnus-newsgroup-auto-expire
5981 (push number gnus-newsgroup-expirable)
5982 (push (cons number gnus-low-score-mark)
5983 gnus-newsgroup-reads)))
5984 ;; Go recursively through all subthreads.
5985 (mapcar 'gnus-expunge-thread (cdr thread)))
5987 ;; Summary article oriented commands
5989 (defun gnus-summary-refer-parent-article (n)
5990 "Refer parent article N times.
5991 If N is negative, go to ancestor -N instead.
5992 The difference between N and the number of articles fetched is returned."
5994 (gnus-set-global-variables)
5997 (when (not (natnump n))
6002 (setq header (gnus-summary-article-header))
6003 (if (and (eq (mail-header-number header)
6004 (cdr gnus-article-current))
6005 (equal gnus-newsgroup-name
6006 (car gnus-article-current)))
6007 ;; If we try to find the parent of the currently
6008 ;; displayed article, then we take a look at the actual
6009 ;; References header, since this is slightly more
6010 ;; reliable than the References field we got from the
6013 (set-buffer gnus-original-article-buffer)
6014 (nnheader-narrow-to-headers)
6015 (unless (setq ref (message-fetch-field "references"))
6016 (setq ref (message-fetch-field "in-reply-to")))
6019 ;; It's not the current article, so we take a bet on
6020 ;; the value we got from the server.
6021 (mail-header-references header)))
6023 (not (equal ref "")))
6024 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6025 (gnus-message 1 "Couldn't find parent"))
6026 (gnus-message 1 "No references in article %d"
6027 (gnus-summary-article-number))
6030 (gnus-summary-position-point)
6033 (defun gnus-summary-refer-references ()
6034 "Fetch all articles mentioned in the References header.
6035 Return how many articles were fetched."
6037 (gnus-set-global-variables)
6038 (let ((ref (mail-header-references (gnus-summary-article-header)))
6039 (current (gnus-summary-article-number))
6043 (error "No References in the current article")
6044 ;; For each Message-ID in the References header...
6045 (while (string-match "<[^>]*>" ref)
6047 ;; ... fetch that article.
6048 (gnus-summary-refer-article
6049 (prog1 (match-string 0 ref)
6050 (setq ref (substring ref (match-end 0))))))
6051 (gnus-summary-goto-subject current)
6052 (gnus-summary-position-point)
6055 (defun gnus-summary-refer-article (message-id)
6056 "Fetch an article specified by MESSAGE-ID."
6057 (interactive "sMessage-ID: ")
6058 (when (and (stringp message-id)
6059 (not (zerop (length message-id))))
6060 ;; Construct the correct Message-ID if necessary.
6061 ;; Suggested by tale@pawl.rpi.edu.
6062 (unless (string-match "^<" message-id)
6063 (setq message-id (concat "<" message-id)))
6064 (unless (string-match ">$" message-id)
6065 (setq message-id (concat message-id ">")))
6066 (let* ((header (gnus-id-to-header message-id))
6068 (gnus-summary-article-sparse-p
6069 (mail-header-number header)))))
6072 ;; The article is present in the buffer, to we just go to it.
6073 (gnus-summary-goto-article
6074 (mail-header-number header) nil header)
6076 (gnus-summary-update-article (mail-header-number header))))
6077 ;; We fetch the article
6078 (let ((gnus-override-method
6079 (and (gnus-news-group-p gnus-newsgroup-name)
6080 gnus-refer-article-method))
6082 ;; Start the special refer-article method, if necessary.
6083 (when (and gnus-refer-article-method
6084 (gnus-news-group-p gnus-newsgroup-name))
6085 (gnus-check-server gnus-refer-article-method))
6086 ;; Fetch the header, and display the article.
6087 (if (setq number (gnus-summary-insert-subject message-id))
6088 (gnus-summary-select-article nil nil nil number)
6089 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
6091 (defun gnus-summary-enter-digest-group (&optional force)
6092 "Enter an nndoc group based on the current article.
6093 If FORCE, force a digest interpretation. If not, try
6094 to guess what the document format is."
6096 (gnus-set-global-variables)
6097 (let ((conf gnus-current-window-configuration))
6099 (gnus-summary-select-article))
6100 (setq gnus-current-window-configuration conf)
6101 (let* ((name (format "%s-%d"
6102 (gnus-group-prefixed-name
6103 gnus-newsgroup-name (list 'nndoc ""))
6105 (set-buffer gnus-summary-buffer)
6106 gnus-current-article)))
6107 (ogroup gnus-newsgroup-name)
6108 (params (append (gnus-info-params (gnus-get-info ogroup))
6109 (list (cons 'to-group ogroup))))
6110 (case-fold-search t)
6111 (buf (current-buffer))
6114 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6115 (insert-buffer-substring gnus-original-article-buffer)
6116 ;; Remove lines that may lead nndoc to misinterpret the
6119 (goto-char (point-min))
6120 (or (search-forward "\n\n" nil t) (point)))
6121 (goto-char (point-min))
6122 (delete-matching-lines "^\\(Path\\):\\|^From ")
6125 (if (gnus-group-read-ephemeral-group
6126 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6128 ,(if force 'digest 'guess))) t)
6129 ;; Make all postings to this group go to the parent group.
6130 (nconc (gnus-info-params (gnus-get-info name))
6132 ;; Couldn't select this doc group.
6133 (switch-to-buffer buf)
6134 (gnus-set-global-variables)
6135 (gnus-configure-windows 'summary)
6136 (gnus-message 3 "Article couldn't be entered?"))
6137 (kill-buffer dig)))))
6139 (defun gnus-summary-read-document (n)
6140 "Open a new group based on the current article(s).
6141 This will allow you to read digests and other similar
6142 documents as newsgroups.
6143 Obeys the standard process/prefix convention."
6145 (let* ((articles (gnus-summary-work-articles n))
6146 (ogroup gnus-newsgroup-name)
6147 (params (append (gnus-info-params (gnus-get-info ogroup))
6148 (list (cons 'to-group ogroup))))
6149 article group egroup groups vgroup)
6150 (while (setq article (pop articles))
6151 (setq group (format "%s-%d" gnus-newsgroup-name article))
6152 (gnus-summary-remove-process-mark article)
6153 (when (gnus-summary-display-article article)
6155 (nnheader-temp-write nil
6156 (insert-buffer-substring gnus-original-article-buffer)
6157 ;; Remove some headers that may lead nndoc to make
6159 (message-narrow-to-head)
6160 (goto-char (point-min))
6161 (delete-matching-lines "^\\(Path\\):\\|^From ")
6164 (gnus-group-read-ephemeral-group
6165 group `(nndoc ,group (nndoc-address ,(current-buffer))
6166 (nndoc-article-type guess))
6169 ;; Make all postings to this group go to the parent group.
6170 (nconc (gnus-info-params (gnus-get-info egroup))
6172 (push egroup groups))
6173 ;; Couldn't select this doc group.
6174 (gnus-error 3 "Article couldn't be entered"))))))
6175 ;; Now we have selected all the documents.
6178 (error "None of the articles could be interpreted as documents"))
6179 ((gnus-group-read-ephemeral-group
6180 (setq vgroup (format
6181 "nnvirtual:%s-%s" gnus-newsgroup-name
6182 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
6183 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
6185 (cons (current-buffer) 'summary)))
6187 (error "Couldn't select virtual nndoc group")))))
6189 (defun gnus-summary-isearch-article (&optional regexp-p)
6190 "Do incremental search forward on the current article.
6191 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
6193 (gnus-set-global-variables)
6194 (gnus-summary-select-article)
6195 (gnus-configure-windows 'article)
6196 (gnus-eval-in-buffer-window gnus-article-buffer
6197 ;;(goto-char (point-min))
6198 (isearch-forward regexp-p)))
6200 (defun gnus-summary-search-article-forward (regexp &optional backward)
6201 "Search for an article containing REGEXP forward.
6202 If BACKWARD, search backward instead."
6205 (format "Search article %s (regexp%s): "
6206 (if current-prefix-arg "backward" "forward")
6207 (if gnus-last-search-regexp
6208 (concat ", default " gnus-last-search-regexp)
6210 current-prefix-arg))
6211 (gnus-set-global-variables)
6212 (if (string-equal regexp "")
6213 (setq regexp (or gnus-last-search-regexp ""))
6214 (setq gnus-last-search-regexp regexp))
6215 (if (gnus-summary-search-article regexp backward)
6216 (gnus-summary-show-thread)
6217 (error "Search failed: \"%s\"" regexp)))
6219 (defun gnus-summary-search-article-backward (regexp)
6220 "Search for an article containing REGEXP backward."
6223 (format "Search article backward (regexp%s): "
6224 (if gnus-last-search-regexp
6225 (concat ", default " gnus-last-search-regexp)
6227 (gnus-summary-search-article-forward regexp 'backward))
6229 (defun gnus-summary-search-article (regexp &optional backward)
6230 "Search for an article containing REGEXP.
6231 Optional argument BACKWARD means do search for backward.
6232 `gnus-select-article-hook' is not called during the search."
6233 (let ((gnus-select-article-hook nil) ;Disable hook.
6234 (gnus-article-display-hook nil)
6235 (gnus-mark-article-hook nil) ;Inhibit marking as read.
6236 (gnus-use-article-prefetch nil)
6237 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
6238 (sum (current-buffer))
6241 (gnus-save-hidden-threads
6242 (gnus-summary-select-article)
6243 (set-buffer gnus-article-buffer)
6247 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
6249 (re-search-backward regexp nil t)
6250 (re-search-forward regexp nil t))
6251 ;; We found the regexp.
6256 (get-buffer-window (current-buffer))
6260 (setq point (point)))
6261 ;; We didn't find it, so we go to the next article.
6264 (while (eq found 'not)
6265 (if (not (if backward (gnus-summary-find-prev)
6266 (gnus-summary-find-next)))
6267 ;; No more articles.
6269 ;; Select the next article and adjust point.
6270 (unless (gnus-summary-article-sparse-p
6271 (gnus-summary-article-number))
6273 (gnus-summary-select-article)
6274 (set-buffer gnus-article-buffer)
6276 (goto-char (if backward (point-max) (point-min))))))))
6277 (gnus-message 7 ""))
6278 ;; Return whether we found the regexp.
6279 (when (eq found 'found)
6281 (gnus-summary-show-thread)
6282 (gnus-summary-goto-subject gnus-current-article)
6283 (gnus-summary-position-point)
6286 (defun gnus-summary-find-matching (header regexp &optional backward unread
6288 "Return a list of all articles that match REGEXP on HEADER.
6289 The search stars on the current article and goes forwards unless
6290 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
6291 If UNREAD is non-nil, only unread articles will
6292 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
6293 in the comparisons."
6294 (let ((data (if (eq backward 'all) gnus-newsgroup-data
6295 (gnus-data-find-list
6296 (gnus-summary-article-number) (gnus-data-list backward))))
6297 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
6298 (case-fold-search (not not-case-fold))
6300 (unless (fboundp (intern (concat "mail-header-" header)))
6301 (error "%s is not a valid header" header))
6304 (and (or (not unread) ; We want all articles...
6305 (gnus-data-unread-p d)) ; Or just unreads.
6306 (vectorp (gnus-data-header d)) ; It's not a pseudo.
6307 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
6308 (push (gnus-data-number d) articles)) ; Success!
6309 (setq data (cdr data)))
6310 (nreverse articles)))
6312 (defun gnus-summary-execute-command (header regexp command &optional backward)
6313 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
6314 If HEADER is an empty string (or nil), the match is done on the entire
6315 article. If BACKWARD (the prefix) is non-nil, search backward instead."
6317 (list (let ((completion-ignore-case t))
6320 (mapcar (lambda (string) (list string))
6321 '("Number" "Subject" "From" "Lines" "Date"
6322 "Message-ID" "Xref" "References" "Body"))
6323 nil 'require-match))
6324 (read-string "Regexp: ")
6325 (read-key-sequence "Command: ")
6326 current-prefix-arg))
6327 (when (equal header "Body")
6329 (gnus-set-global-variables)
6330 ;; Hidden thread subtrees must be searched as well.
6331 (gnus-summary-show-all-threads)
6332 ;; We don't want to change current point nor window configuration.
6334 (save-window-excursion
6335 (gnus-message 6 "Executing %s..." (key-description command))
6336 ;; We'd like to execute COMMAND interactively so as to give arguments.
6337 (gnus-execute header regexp
6338 `(call-interactively ',(key-binding command))
6340 (gnus-message 6 "Executing %s...done" (key-description command)))))
6342 (defun gnus-summary-beginning-of-article ()
6343 "Scroll the article back to the beginning."
6345 (gnus-set-global-variables)
6346 (gnus-summary-select-article)
6347 (gnus-configure-windows 'article)
6348 (gnus-eval-in-buffer-window gnus-article-buffer
6350 (goto-char (point-min))
6351 (when gnus-break-pages
6352 (gnus-narrow-to-page))))
6354 (defun gnus-summary-end-of-article ()
6355 "Scroll to the end of the article."
6357 (gnus-set-global-variables)
6358 (gnus-summary-select-article)
6359 (gnus-configure-windows 'article)
6360 (gnus-eval-in-buffer-window gnus-article-buffer
6362 (goto-char (point-max))
6364 (when gnus-break-pages
6365 (gnus-narrow-to-page))))
6367 (defun gnus-summary-print-article (&optional filename)
6368 "Generate and print a PostScript image of the article buffer.
6370 If the optional argument FILENAME is nil, send the image to the printer.
6371 If FILENAME is a string, save the PostScript image in a file with that
6372 name. If FILENAME is a number, prompt the user for the name of the file
6374 (interactive (list (ps-print-preprint current-prefix-arg)))
6375 (gnus-summary-select-article)
6376 (gnus-eval-in-buffer-window gnus-article-buffer
6377 (let ((buffer (generate-new-buffer " *print*")))
6380 (copy-to-buffer buffer (point-min) (point-max))
6382 (gnus-article-delete-invisible-text)
6383 (run-hooks 'gnus-ps-print-hook)
6384 (ps-print-buffer-with-faces filename))
6385 (kill-buffer buffer)))))
6387 (defun gnus-summary-show-article (&optional arg)
6388 "Force re-fetching of the current article.
6389 If ARG (the prefix) is non-nil, show the raw article without any
6390 article massaging functions being run."
6392 (gnus-set-global-variables)
6394 ;; Select the article the normal way.
6395 (gnus-summary-select-article nil 'force)
6396 ;; Bind the article treatment functions to nil.
6397 (let ((gnus-have-all-headers t)
6398 gnus-article-display-hook
6399 gnus-article-prepare-hook
6402 (gnus-summary-select-article nil 'force)))
6403 (gnus-summary-goto-subject gnus-current-article)
6404 ; (gnus-configure-windows 'article)
6405 (gnus-summary-position-point))
6407 (defun gnus-summary-verbose-headers (&optional arg)
6408 "Toggle permanent full header display.
6409 If ARG is a positive number, turn header display on.
6410 If ARG is a negative number, turn header display off."
6412 (gnus-set-global-variables)
6413 (setq gnus-show-all-headers
6414 (cond ((or (not (numberp arg))
6416 (not gnus-show-all-headers))
6419 (gnus-summary-show-article))
6421 (defun gnus-summary-toggle-header (&optional arg)
6422 "Show the headers if they are hidden, or hide them if they are shown.
6423 If ARG is a positive number, show the entire header.
6424 If ARG is a negative number, hide the unwanted header lines."
6426 (gnus-set-global-variables)
6428 (set-buffer gnus-article-buffer)
6429 (let* ((buffer-read-only nil)
6430 (inhibit-point-motion-hooks t)
6431 (hidden (text-property-any
6432 (goto-char (point-min)) (search-forward "\n\n")
6435 (goto-char (point-min))
6436 (when (search-forward "\n\n" nil t)
6437 (delete-region (point-min) (1- (point))))
6438 (goto-char (point-min))
6440 (set-buffer gnus-original-article-buffer)
6441 (goto-char (point-min))
6442 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
6443 (insert-buffer-substring gnus-original-article-buffer 1 e)
6444 (let ((article-inhibit-hiding t))
6445 (run-hooks 'gnus-article-display-hook))
6446 (when (or (not hidden) (and (numberp arg) (< arg 0)))
6447 (gnus-article-hide-headers)))))
6449 (defun gnus-summary-show-all-headers ()
6450 "Make all header lines visible."
6452 (gnus-set-global-variables)
6453 (gnus-article-show-all-headers))
6455 (defun gnus-summary-toggle-mime (&optional arg)
6456 "Toggle MIME processing.
6457 If ARG is a positive number, turn MIME processing on."
6459 (gnus-set-global-variables)
6460 (setq gnus-show-mime
6461 (if (null arg) (not gnus-show-mime)
6462 (> (prefix-numeric-value arg) 0)))
6463 (gnus-summary-select-article t 'force))
6465 (defun gnus-summary-caesar-message (&optional arg)
6466 "Caesar rotate the current article by 13.
6467 The numerical prefix specifies how many places to rotate each letter
6470 (gnus-set-global-variables)
6471 (gnus-summary-select-article)
6472 (let ((mail-header-separator ""))
6473 (gnus-eval-in-buffer-window gnus-article-buffer
6476 (let ((start (window-start))
6478 (message-caesar-buffer-body arg)
6479 (set-window-start (get-buffer-window (current-buffer)) start))))))
6481 (defun gnus-summary-stop-page-breaking ()
6482 "Stop page breaking in the current article."
6484 (gnus-set-global-variables)
6485 (gnus-summary-select-article)
6486 (gnus-eval-in-buffer-window gnus-article-buffer
6488 (when (gnus-visual-p 'page-marker)
6489 (let ((buffer-read-only nil))
6490 (gnus-remove-text-with-property 'gnus-prev)
6491 (gnus-remove-text-with-property 'gnus-next)))))
6493 (defun gnus-summary-move-article (&optional n to-newsgroup
6494 select-method action)
6495 "Move the current article to a different newsgroup.
6496 If N is a positive number, move the N next articles.
6497 If N is a negative number, move the N previous articles.
6498 If N is nil and any articles have been marked with the process mark,
6499 move those articles instead.
6500 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
6501 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
6502 re-spool using this method.
6504 For this function to work, both the current newsgroup and the
6505 newsgroup that you want to move to have to support the `request-move'
6506 and `request-accept' functions."
6509 (setq action 'move))
6510 (gnus-set-global-variables)
6511 ;; Disable marking as read.
6512 (let (gnus-mark-article-hook)
6513 (save-window-excursion
6514 (gnus-summary-select-article)))
6515 ;; Check whether the source group supports the required functions.
6516 (cond ((and (eq action 'move)
6517 (not (gnus-check-backend-function
6518 'request-move-article gnus-newsgroup-name)))
6519 (error "The current group does not support article moving"))
6520 ((and (eq action 'crosspost)
6521 (not (gnus-check-backend-function
6522 'request-replace-article gnus-newsgroup-name)))
6523 (error "The current group does not support article editing")))
6524 (let ((articles (gnus-summary-work-articles n))
6525 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
6526 (names '((move "Move" "Moving")
6527 (copy "Copy" "Copying")
6528 (crosspost "Crosspost" "Crossposting")))
6529 (copy-buf (save-excursion
6530 (nnheader-set-temp-buffer " *copy article*")))
6531 art-group to-method new-xref article to-groups)
6532 (unless (assq action names)
6533 (error "Unknown action %s" action))
6534 ;; Read the newsgroup name.
6535 (when (and (not to-newsgroup)
6536 (not select-method))
6538 (gnus-read-move-group-name
6539 (cadr (assq action names))
6540 (symbol-value (intern (format "gnus-current-%s-group" action)))
6542 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
6543 (setq to-method (or select-method
6544 (gnus-group-name-to-method to-newsgroup)))
6545 ;; Check the method we are to move this article to...
6546 (unless (gnus-check-backend-function
6547 'request-accept-article (car to-method))
6548 (error "%s does not support article copying" (car to-method)))
6549 (unless (gnus-check-server to-method)
6550 (error "Can't open server %s" (car to-method)))
6551 (gnus-message 6 "%s to %s: %s..."
6552 (caddr (assq action names))
6553 (or (car select-method) to-newsgroup) articles)
6555 (setq article (pop articles))
6559 ;; Move the article.
6561 (gnus-request-move-article
6562 article ; Article to move
6563 gnus-newsgroup-name ; From newsgroup
6564 (nth 1 (gnus-find-method-for-group
6565 gnus-newsgroup-name)) ; Server
6566 (list 'gnus-request-accept-article
6567 to-newsgroup (list 'quote select-method)
6568 (not articles)) ; Accept form
6569 (not articles))) ; Only save nov last time
6570 ;; Copy the article.
6573 (set-buffer copy-buf)
6574 (gnus-request-article-this-buffer article gnus-newsgroup-name)
6575 (gnus-request-accept-article
6576 to-newsgroup select-method (not articles))))
6577 ;; Crosspost the article.
6578 ((eq action 'crosspost)
6579 (let ((xref (message-tokenize-header
6580 (mail-header-xref (gnus-summary-article-header article))
6582 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
6585 (setq xref (list (system-name))))
6588 (mapconcat 'identity
6589 (delete "Xref:" (delete new-xref xref))
6593 (set-buffer copy-buf)
6594 (gnus-request-article-this-buffer article gnus-newsgroup-name)
6595 (nnheader-replace-header "xref" new-xref)
6596 (gnus-request-accept-article
6597 to-newsgroup select-method (not articles)))))))
6599 (gnus-message 1 "Couldn't %s article %s"
6600 (cadr (assq action names)) article)
6603 (gnus-gethash (car art-group) gnus-newsrc-hashtb)
6605 (gnus-group-prefixed-name
6608 (gnus-find-method-for-group to-newsgroup)))
6609 gnus-newsrc-hashtb)))
6610 (info (nth 2 entry))
6611 (to-group (gnus-info-group info)))
6612 ;; Update the group that has been moved to.
6614 (memq action '(move copy)))
6615 (unless (member to-group to-groups)
6616 (push to-group to-groups))
6618 (unless (memq article gnus-newsgroup-unreads)
6620 info (gnus-add-to-range (gnus-info-read info)
6621 (list (cdr art-group)))))
6623 ;; Copy any marks over to the new group.
6624 (let ((marks gnus-article-mark-lists)
6625 (to-article (cdr art-group)))
6627 ;; See whether the article is to be put in the cache.
6628 (when gnus-use-cache
6629 (gnus-cache-possibly-enter-article
6631 (let ((header (copy-sequence
6632 (gnus-summary-article-header article))))
6633 (mail-header-set-number header to-article)
6635 (memq article gnus-newsgroup-marked)
6636 (memq article gnus-newsgroup-dormant)
6637 (memq article gnus-newsgroup-unreads)))
6639 (when (and (equal to-group gnus-newsgroup-name)
6640 (not (memq article gnus-newsgroup-unreads)))
6641 ;; Mark this article as read in this group.
6642 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
6643 (setcdr (gnus-active to-group) to-article)
6644 (setcdr gnus-newsgroup-active to-article))
6647 (when (memq article (symbol-value
6648 (intern (format "gnus-newsgroup-%s"
6650 ;; If the other group is the same as this group,
6651 ;; then we have to add the mark to the list.
6652 (when (equal to-group gnus-newsgroup-name)
6653 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
6656 (intern (format "gnus-newsgroup-%s"
6658 ;; Copy the marks to other group.
6659 (gnus-add-marked-articles
6660 to-group (cdar marks) (list to-article) info))
6661 (setq marks (cdr marks)))))
6663 ;; Update the Xref header in this article to point to
6664 ;; the new crossposted article we have just created.
6665 (when (eq action 'crosspost)
6667 (set-buffer copy-buf)
6668 (gnus-request-article-this-buffer article gnus-newsgroup-name)
6669 (nnheader-replace-header
6670 "xref" (concat new-xref " " (car art-group)
6671 ":" (cdr art-group)))
6672 (gnus-request-replace-article
6673 article gnus-newsgroup-name (current-buffer)))))
6675 (gnus-summary-goto-subject article)
6676 (when (eq action 'move)
6677 (gnus-summary-mark-article article gnus-canceled-mark)))
6678 (gnus-summary-remove-process-mark article))
6679 ;; Re-activate all groups that have been moved to.
6681 (gnus-activate-group (pop to-groups)))
6683 (gnus-kill-buffer copy-buf)
6684 (gnus-summary-position-point)
6685 (gnus-set-mode-line 'summary)))
6687 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
6688 "Move the current article to a different newsgroup.
6689 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
6690 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
6691 re-spool using this method."
6693 (gnus-summary-move-article n to-newsgroup select-method 'copy))
6695 (defun gnus-summary-crosspost-article (&optional n)
6696 "Crosspost the current article to some other group."
6698 (gnus-summary-move-article n nil nil 'crosspost))
6700 (defcustom gnus-summary-respool-default-method nil
6701 "Default method for respooling an article.
6702 If nil, use to the current newsgroup method."
6703 :type 'gnus-select-method-name
6704 :group 'gnus-summary-mail)
6706 (defun gnus-summary-respool-article (&optional n method)
6707 "Respool the current article.
6708 The article will be squeezed through the mail spooling process again,
6709 which means that it will be put in some mail newsgroup or other
6710 depending on `nnmail-split-methods'.
6711 If N is a positive number, respool the N next articles.
6712 If N is a negative number, respool the N previous articles.
6713 If N is nil and any articles have been marked with the process mark,
6714 respool those articles instead.
6716 Respooling can be done both from mail groups and \"real\" newsgroups.
6717 In the former case, the articles in question will be moved from the
6718 current group into whatever groups they are destined to. In the
6719 latter case, they will be copied into the relevant groups."
6721 (list current-prefix-arg
6722 (let* ((methods (gnus-methods-using 'respool))
6724 (symbol-name (or gnus-summary-respool-default-method
6725 (car (gnus-find-method-for-group
6726 gnus-newsgroup-name)))))
6728 (gnus-completing-read
6729 methname "What backend do you want to use when respooling?"
6730 methods nil t nil 'gnus-mail-method-history))
6733 ((zerop (length (setq ms (gnus-servers-using-backend
6735 (list (intern method) ""))
6739 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
6740 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
6742 (gnus-set-global-variables)
6744 (error "No method given for respooling"))
6745 (if (assoc (symbol-name
6746 (car (gnus-find-method-for-group gnus-newsgroup-name)))
6747 (gnus-methods-using 'respool))
6748 (gnus-summary-move-article n nil method)
6749 (gnus-summary-copy-article n nil method)))
6751 (defun gnus-summary-import-article (file)
6752 "Import a random file into a mail newsgroup."
6753 (interactive "fImport file: ")
6754 (gnus-set-global-variables)
6755 (let ((group gnus-newsgroup-name)
6756 (now (current-time))
6758 (unless (gnus-check-backend-function 'request-accept-article group)
6759 (error "%s does not support article importing" group))
6760 (or (file-readable-p file)
6761 (not (file-regular-p file))
6762 (error "Can't read %s" file))
6764 (set-buffer (get-buffer-create " *import file*"))
6765 (buffer-disable-undo (current-buffer))
6767 (insert-file-contents file)
6768 (goto-char (point-min))
6769 (unless (nnheader-article-p)
6770 ;; This doesn't look like an article, so we fudge some headers.
6771 (setq atts (file-attributes file)
6772 lines (count-lines (point-min) (point-max)))
6773 (insert "From: " (read-string "From: ") "\n"
6774 "Subject: " (read-string "Subject: ") "\n"
6775 "Date: " (timezone-make-date-arpa-standard
6776 (current-time-string (nth 5 atts))
6777 (current-time-zone now)
6778 (current-time-zone now))
6780 "Message-ID: " (message-make-message-id) "\n"
6781 "Lines: " (int-to-string lines) "\n"
6782 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
6783 (gnus-request-accept-article group nil t)
6784 (kill-buffer (current-buffer)))))
6786 (defun gnus-summary-article-posted-p ()
6787 "Say whether the current (mail) article is available from `gnus-select-method' as well.
6788 This will be the case if the article has both been mailed and posted."
6790 (let ((id (mail-header-references (gnus-summary-article-header)))
6791 (gnus-override-method
6792 (or gnus-refer-article-method gnus-select-method)))
6793 (if (gnus-request-head id "")
6794 (gnus-message 2 "The current message was found on %s"
6795 gnus-override-method)
6796 (gnus-message 2 "The current message couldn't be found on %s"
6797 gnus-override-method)
6800 (defun gnus-summary-expire-articles (&optional now)
6801 "Expire all articles that are marked as expirable in the current group."
6803 (gnus-set-global-variables)
6804 (when (gnus-check-backend-function
6805 'request-expire-articles gnus-newsgroup-name)
6806 ;; This backend supports expiry.
6807 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
6808 (expirable (if total
6810 ;; We need to update the info for
6811 ;; this group for `gnus-list-of-read-articles'
6812 ;; to give us the right answer.
6813 (run-hooks 'gnus-exit-group-hook)
6814 (gnus-summary-update-info)
6815 (gnus-list-of-read-articles gnus-newsgroup-name))
6816 (setq gnus-newsgroup-expirable
6817 (sort gnus-newsgroup-expirable '<))))
6818 (expiry-wait (if now 'immediate
6819 (gnus-group-find-parameter
6820 gnus-newsgroup-name 'expiry-wait)))
6823 ;; There are expirable articles in this group, so we run them
6824 ;; through the expiry process.
6825 (gnus-message 6 "Expiring articles...")
6826 ;; The list of articles that weren't expired is returned.
6828 (let ((nnmail-expiry-wait-function nil)
6829 (nnmail-expiry-wait expiry-wait))
6830 (setq es (gnus-request-expire-articles
6831 expirable gnus-newsgroup-name)))
6832 (setq es (gnus-request-expire-articles
6833 expirable gnus-newsgroup-name)))
6835 (setq gnus-newsgroup-expirable es))
6836 ;; We go through the old list of expirable, and mark all
6837 ;; really expired articles as nonexistent.
6838 (unless (eq es expirable) ;If nothing was expired, we don't mark.
6839 (let ((gnus-use-cache nil))
6841 (unless (memq (car expirable) es)
6842 (when (gnus-data-find (car expirable))
6843 (gnus-summary-mark-article
6844 (car expirable) gnus-canceled-mark)))
6845 (setq expirable (cdr expirable)))))
6846 (gnus-message 6 "Expiring articles...done")))))
6848 (defun gnus-summary-expire-articles-now ()
6849 "Expunge all expirable articles in the current group.
6850 This means that *all* articles that are marked as expirable will be
6851 deleted forever, right now."
6853 (gnus-set-global-variables)
6854 (or gnus-expert-user
6856 "Are you really, really, really sure you want to delete all these messages? ")
6858 (gnus-summary-expire-articles t))
6860 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
6861 (defun gnus-summary-delete-article (&optional n)
6862 "Delete the N next (mail) articles.
6863 This command actually deletes articles. This is not a marking
6864 command. The article will disappear forever from your life, never to
6866 If N is negative, delete backwards.
6867 If N is nil and articles have been marked with the process mark,
6868 delete these instead."
6870 (gnus-set-global-variables)
6871 (unless (gnus-check-backend-function 'request-expire-articles
6872 gnus-newsgroup-name)
6873 (error "The current newsgroup does not support article deletion."))
6874 ;; Compute the list of articles to delete.
6875 (let ((articles (gnus-summary-work-articles n))
6877 (if (and gnus-novice-user
6878 (not (gnus-yes-or-no-p
6879 (format "Do you really want to delete %s forever? "
6880 (if (> (length articles) 1)
6881 (format "these %s articles" (length articles))
6884 ;; Delete the articles.
6885 (setq not-deleted (gnus-request-expire-articles
6886 articles gnus-newsgroup-name 'force))
6888 (gnus-summary-remove-process-mark (car articles))
6889 ;; The backend might not have been able to delete the article
6891 (unless (memq (car articles) not-deleted)
6892 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
6893 (setq articles (cdr articles))))
6894 (gnus-summary-position-point)
6895 (gnus-set-mode-line 'summary)
6898 (defun gnus-summary-edit-article (&optional force)
6899 "Edit the current article.
6900 This will have permanent effect only in mail groups.
6901 If FORCE is non-nil, allow editing of articles even in read-only
6905 (set-buffer gnus-summary-buffer)
6906 (gnus-set-global-variables)
6907 (when (and (not force)
6908 (gnus-group-read-only-p))
6909 (error "The current newsgroup does not support article editing."))
6910 ;; Select article if needed.
6911 (unless (eq (gnus-summary-article-number)
6912 gnus-current-article)
6913 (gnus-summary-select-article t))
6914 (gnus-article-edit-article
6916 (gnus-summary-edit-article-done
6917 ,(or (mail-header-references gnus-current-headers) "")
6918 ,(gnus-group-read-only-p) ,gnus-summary-buffer)))))
6920 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
6922 (defun gnus-summary-edit-article-done (&optional references read-only buffer)
6923 "Make edits to the current article permanent."
6925 ;; Replace the article.
6926 (if (and (not read-only)
6927 (not (gnus-request-replace-article
6928 (cdr gnus-article-current) (car gnus-article-current)
6930 (error "Couldn't replace article.")
6931 ;; Update the summary buffer.
6933 (equal (message-tokenize-header references " ")
6934 (message-tokenize-header
6935 (or (message-fetch-field "references") "") " ")))
6936 ;; We only have to update this line.
6939 (message-narrow-to-head)
6940 (let ((head (buffer-string))
6942 (nnheader-temp-write nil
6943 (insert (format "211 %d Article retrieved.\n"
6944 (cdr gnus-article-current)))
6947 (let ((nntp-server-buffer (current-buffer)))
6948 (setq header (car (gnus-get-newsgroup-headers
6950 (set-buffer gnus-summary-buffer)
6951 gnus-newsgroup-dependencies)
6954 (set-buffer gnus-summary-buffer)
6955 (gnus-data-set-header
6956 (gnus-data-find (cdr gnus-article-current))
6958 (gnus-summary-update-article-line
6959 (cdr gnus-article-current) header))))))
6961 (set-buffer (or buffer gnus-summary-buffer))
6962 (gnus-summary-update-article (cdr gnus-article-current)))
6963 ;; Prettify the article buffer again.
6965 (set-buffer gnus-article-buffer)
6966 (run-hooks 'gnus-article-display-hook)
6967 (set-buffer gnus-original-article-buffer)
6968 (gnus-request-article
6969 (cdr gnus-article-current) (car gnus-article-current) (current-buffer)))
6970 ;; Prettify the summary buffer line.
6971 (when (gnus-visual-p 'summary-highlight 'highlight)
6972 (run-hooks 'gnus-visual-mark-article-hook))))
6974 (defun gnus-summary-edit-wash (key)
6975 "Perform editing command in the article buffer."
6979 (message "%s" (concat (this-command-keys) "- "))
6982 (gnus-summary-edit-article)
6983 (execute-kbd-macro (concat (this-command-keys) key))
6984 (gnus-article-edit-done))
6988 (defun gnus-summary-respool-query ()
6989 "Query where the respool algorithm would put this article."
6991 (gnus-set-global-variables)
6992 (let (gnus-mark-article-hook)
6993 (gnus-summary-select-article)
6995 (set-buffer gnus-article-buffer)
6997 (goto-char (point-min))
6998 (search-forward "\n\n")
6999 (narrow-to-region (point-min) (point))
7000 (message "This message would go to %s"
7001 (mapconcat 'car (nnmail-article-group 'identity) ", "))))))
7003 ;; Summary marking commands.
7005 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
7006 "Mark articles which has the same subject as read, and then select the next.
7007 If UNMARK is positive, remove any kind of mark.
7008 If UNMARK is negative, tick articles."
7010 (gnus-set-global-variables)
7012 (setq unmark (prefix-numeric-value unmark)))
7014 (gnus-summary-mark-same-subject
7015 (gnus-summary-article-subject) unmark)))
7016 ;; Select next unread article. If auto-select-same mode, should
7017 ;; select the first unread article.
7018 (gnus-summary-next-article t (and gnus-auto-select-same
7019 (gnus-summary-article-subject)))
7020 (gnus-message 7 "%d article%s marked as %s"
7021 count (if (= count 1) " is" "s are")
7022 (if unmark "unread" "read"))))
7024 (defun gnus-summary-kill-same-subject (&optional unmark)
7025 "Mark articles which has the same subject as read.
7026 If UNMARK is positive, remove any kind of mark.
7027 If UNMARK is negative, tick articles."
7029 (gnus-set-global-variables)
7031 (setq unmark (prefix-numeric-value unmark)))
7033 (gnus-summary-mark-same-subject
7034 (gnus-summary-article-subject) unmark)))
7035 ;; If marked as read, go to next unread subject.
7037 ;; Go to next unread subject.
7038 (gnus-summary-next-subject 1 t))
7039 (gnus-message 7 "%d articles are marked as %s"
7040 count (if unmark "unread" "read"))))
7042 (defun gnus-summary-mark-same-subject (subject &optional unmark)
7043 "Mark articles with same SUBJECT as read, and return marked number.
7044 If optional argument UNMARK is positive, remove any kinds of marks.
7045 If optional argument UNMARK is negative, mark articles as unread instead."
7049 ((null unmark) ; Mark as read.
7052 (gnus-summary-mark-article-as-read gnus-killed-mark)
7053 (gnus-summary-show-thread) t)
7054 (gnus-summary-find-subject subject))
7055 (setq count (1+ count))))
7056 ((> unmark 0) ; Tick.
7059 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
7060 (gnus-summary-show-thread) t)
7061 (gnus-summary-find-subject subject))
7062 (setq count (1+ count))))
7063 (t ; Mark as unread.
7066 (gnus-summary-mark-article-as-unread gnus-unread-mark)
7067 (gnus-summary-show-thread) t)
7068 (gnus-summary-find-subject subject))
7069 (setq count (1+ count)))))
7070 (gnus-set-mode-line 'summary)
7071 ;; Return the number of marked articles.
7074 (defun gnus-summary-mark-as-processable (n &optional unmark)
7075 "Set the process mark on the next N articles.
7076 If N is negative, mark backward instead. If UNMARK is non-nil, remove
7077 the process mark instead. The difference between N and the actual
7078 number of articles marked is returned."
7080 (gnus-set-global-variables)
7081 (let ((backward (< n 0))
7086 (gnus-summary-remove-process-mark
7087 (gnus-summary-article-number))
7088 (gnus-summary-set-process-mark (gnus-summary-article-number)))
7089 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
7092 (gnus-message 7 "No more articles"))
7093 (gnus-summary-recenter)
7094 (gnus-summary-position-point)
7097 (defun gnus-summary-unmark-as-processable (n)
7098 "Remove the process mark from the next N articles.
7099 If N is negative, mark backward instead. The difference between N and
7100 the actual number of articles marked is returned."
7102 (gnus-set-global-variables)
7103 (gnus-summary-mark-as-processable n t))
7105 (defun gnus-summary-unmark-all-processable ()
7106 "Remove the process mark from all articles."
7108 (gnus-set-global-variables)
7110 (while gnus-newsgroup-processable
7111 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
7112 (gnus-summary-position-point))
7114 (defun gnus-summary-mark-as-expirable (n)
7115 "Mark N articles forward as expirable.
7116 If N is negative, mark backward instead. The difference between N and
7117 the actual number of articles marked is returned."
7119 (gnus-set-global-variables)
7120 (gnus-summary-mark-forward n gnus-expirable-mark))
7122 (defun gnus-summary-mark-article-as-replied (article)
7123 "Mark ARTICLE replied and update the summary line."
7124 (push article gnus-newsgroup-replied)
7125 (let ((buffer-read-only nil))
7126 (when (gnus-summary-goto-subject article)
7127 (gnus-summary-update-secondary-mark article))))
7129 (defun gnus-summary-set-bookmark (article)
7130 "Set a bookmark in current article."
7131 (interactive (list (gnus-summary-article-number)))
7132 (gnus-set-global-variables)
7133 (when (or (not (get-buffer gnus-article-buffer))
7134 (not gnus-current-article)
7135 (not gnus-article-current)
7136 (not (equal gnus-newsgroup-name (car gnus-article-current))))
7137 (error "No current article selected"))
7138 ;; Remove old bookmark, if one exists.
7139 (let ((old (assq article gnus-newsgroup-bookmarks)))
7141 (setq gnus-newsgroup-bookmarks
7142 (delq old gnus-newsgroup-bookmarks))))
7143 ;; Set the new bookmark, which is on the form
7144 ;; (article-number . line-number-in-body).
7148 (set-buffer gnus-article-buffer)
7152 (goto-char (point-min))
7153 (search-forward "\n\n" nil t)
7156 gnus-newsgroup-bookmarks)
7157 (gnus-message 6 "A bookmark has been added to the current article."))
7159 (defun gnus-summary-remove-bookmark (article)
7160 "Remove the bookmark from the current article."
7161 (interactive (list (gnus-summary-article-number)))
7162 (gnus-set-global-variables)
7163 ;; Remove old bookmark, if one exists.
7164 (let ((old (assq article gnus-newsgroup-bookmarks)))
7167 (setq gnus-newsgroup-bookmarks
7168 (delq old gnus-newsgroup-bookmarks))
7169 (gnus-message 6 "Removed bookmark."))
7170 (gnus-message 6 "No bookmark in current article."))))
7172 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7173 (defun gnus-summary-mark-as-dormant (n)
7174 "Mark N articles forward as dormant.
7175 If N is negative, mark backward instead. The difference between N and
7176 the actual number of articles marked is returned."
7178 (gnus-set-global-variables)
7179 (gnus-summary-mark-forward n gnus-dormant-mark))
7181 (defun gnus-summary-set-process-mark (article)
7182 "Set the process mark on ARTICLE and update the summary line."
7183 (setq gnus-newsgroup-processable
7185 (delq article gnus-newsgroup-processable)))
7186 (when (gnus-summary-goto-subject article)
7187 (gnus-summary-show-thread)
7188 (gnus-summary-update-secondary-mark article)))
7190 (defun gnus-summary-remove-process-mark (article)
7191 "Remove the process mark from ARTICLE and update the summary line."
7192 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
7193 (when (gnus-summary-goto-subject article)
7194 (gnus-summary-show-thread)
7195 (gnus-summary-update-secondary-mark article)))
7197 (defun gnus-summary-set-saved-mark (article)
7198 "Set the process mark on ARTICLE and update the summary line."
7199 (push article gnus-newsgroup-saved)
7200 (when (gnus-summary-goto-subject article)
7201 (gnus-summary-update-secondary-mark article)))
7203 (defun gnus-summary-mark-forward (n &optional mark no-expire)
7204 "Mark N articles as read forwards.
7205 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
7206 The difference between N and the actual number of articles marked is
7209 (gnus-set-global-variables)
7210 (let ((backward (< n 0))
7211 (gnus-summary-goto-unread
7212 (and gnus-summary-goto-unread
7213 (not (eq gnus-summary-goto-unread 'never))
7214 (not (memq mark (list gnus-unread-mark
7215 gnus-ticked-mark gnus-dormant-mark)))))
7217 (mark (or mark gnus-del-mark)))
7219 (gnus-summary-mark-article nil mark no-expire)
7220 (zerop (gnus-summary-next-subject
7222 (and gnus-summary-goto-unread
7223 (not (eq gnus-summary-goto-unread 'never)))
7227 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
7228 (gnus-summary-recenter)
7229 (gnus-summary-position-point)
7230 (gnus-set-mode-line 'summary)
7233 (defun gnus-summary-mark-article-as-read (mark)
7234 "Mark the current article quickly as read with MARK."
7235 (let ((article (gnus-summary-article-number)))
7236 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7237 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7238 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7239 (push (cons article mark) gnus-newsgroup-reads)
7240 ;; Possibly remove from cache, if that is used.
7241 (when gnus-use-cache
7242 (gnus-cache-enter-remove-article article))
7243 ;; Allow the backend to change the mark.
7244 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7245 ;; Check for auto-expiry.
7246 (when (and gnus-newsgroup-auto-expire
7247 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7248 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7249 (= mark gnus-ancient-mark)
7250 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7251 (= mark gnus-duplicate-mark)))
7252 (setq mark gnus-expirable-mark)
7253 (push article gnus-newsgroup-expirable))
7254 ;; Set the mark in the buffer.
7255 (gnus-summary-update-mark mark 'unread)
7258 (defun gnus-summary-mark-article-as-unread (mark)
7259 "Mark the current article quickly as unread with MARK."
7260 (let ((article (gnus-summary-article-number)))
7262 (gnus-error 1 "Unmarkable article")
7263 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7264 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7265 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
7266 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
7267 (cond ((= mark gnus-ticked-mark)
7268 (push article gnus-newsgroup-marked))
7269 ((= mark gnus-dormant-mark)
7270 (push article gnus-newsgroup-dormant))
7272 (push article gnus-newsgroup-unreads)))
7273 (setq gnus-newsgroup-reads
7274 (delq (assq article gnus-newsgroup-reads)
7275 gnus-newsgroup-reads))
7277 ;; See whether the article is to be put in the cache.
7279 (vectorp (gnus-summary-article-header article))
7281 (gnus-cache-possibly-enter-article
7282 gnus-newsgroup-name article
7283 (gnus-summary-article-header article)
7284 (= mark gnus-ticked-mark)
7285 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7288 (gnus-summary-update-mark mark 'unread))
7291 (defun gnus-summary-mark-article (&optional article mark no-expire)
7292 "Mark ARTICLE with MARK. MARK can be any character.
7293 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
7294 `??' (dormant) and `?E' (expirable).
7295 If MARK is nil, then the default character `?D' is used.
7296 If ARTICLE is nil, then the article on the current line will be
7298 ;; The mark might be a string.
7299 (when (stringp mark)
7300 (setq mark (aref mark 0)))
7301 ;; If no mark is given, then we check auto-expiring.
7302 (and (not no-expire)
7303 gnus-newsgroup-auto-expire
7305 (and (gnus-characterp mark)
7306 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7307 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7308 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7309 (= mark gnus-duplicate-mark))))
7310 (setq mark gnus-expirable-mark))
7311 (let* ((mark (or mark gnus-del-mark))
7312 (article (or article (gnus-summary-article-number))))
7314 (error "No article on current line"))
7315 (if (or (= mark gnus-unread-mark)
7316 (= mark gnus-ticked-mark)
7317 (= mark gnus-dormant-mark))
7318 (gnus-mark-article-as-unread article mark)
7319 (gnus-mark-article-as-read article mark))
7321 ;; See whether the article is to be put in the cache.
7323 (not (= mark gnus-canceled-mark))
7324 (vectorp (gnus-summary-article-header article))
7326 (gnus-cache-possibly-enter-article
7327 gnus-newsgroup-name article
7328 (gnus-summary-article-header article)
7329 (= mark gnus-ticked-mark)
7330 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7332 (when (gnus-summary-goto-subject article nil t)
7333 (let ((buffer-read-only nil))
7334 (gnus-summary-show-thread)
7336 (gnus-summary-update-mark mark 'unread)
7339 (defun gnus-summary-update-secondary-mark (article)
7340 "Update the secondary (read, process, cache) mark."
7341 (gnus-summary-update-mark
7342 (cond ((memq article gnus-newsgroup-processable)
7344 ((memq article gnus-newsgroup-cached)
7346 ((memq article gnus-newsgroup-replied)
7348 ((memq article gnus-newsgroup-saved)
7350 (t gnus-unread-mark))
7352 (when (gnus-visual-p 'summary-highlight 'highlight)
7353 (run-hooks 'gnus-summary-update-hook))
7356 (defun gnus-summary-update-mark (mark type)
7357 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
7358 (buffer-read-only nil))
7359 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
7360 (when (looking-at "\r")
7363 (<= (+ forward (point)) (point-max)))
7364 ;; Go to the right position on the line.
7365 (goto-char (+ forward (point)))
7366 ;; Replace the old mark with the new mark.
7367 (subst-char-in-region (point) (1+ (point)) (following-char) mark)
7368 ;; Optionally update the marks by some user rule.
7369 (when (eq type 'unread)
7371 (gnus-data-find (gnus-summary-article-number)) mark)
7372 (gnus-summary-update-line (eq mark gnus-unread-mark))))))
7374 (defun gnus-mark-article-as-read (article &optional mark)
7375 "Enter ARTICLE in the pertinent lists and remove it from others."
7376 ;; Make the article expirable.
7377 (let ((mark (or mark gnus-del-mark)))
7378 (if (= mark gnus-expirable-mark)
7379 (push article gnus-newsgroup-expirable)
7380 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
7381 ;; Remove from unread and marked lists.
7382 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7383 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7384 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7385 (push (cons article mark) gnus-newsgroup-reads)
7386 ;; Possibly remove from cache, if that is used.
7387 (when gnus-use-cache
7388 (gnus-cache-enter-remove-article article))))
7390 (defun gnus-mark-article-as-unread (article &optional mark)
7391 "Enter ARTICLE in the pertinent lists and remove it from others."
7392 (let ((mark (or mark gnus-ticked-mark)))
7393 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
7394 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
7395 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
7396 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7398 ;; Unsuppress duplicates?
7399 (when gnus-suppress-duplicates
7400 (gnus-dup-unsuppress-article article))
7402 (cond ((= mark gnus-ticked-mark)
7403 (push article gnus-newsgroup-marked))
7404 ((= mark gnus-dormant-mark)
7405 (push article gnus-newsgroup-dormant))
7407 (push article gnus-newsgroup-unreads)))
7408 (setq gnus-newsgroup-reads
7409 (delq (assq article gnus-newsgroup-reads)
7410 gnus-newsgroup-reads))))
7412 (defalias 'gnus-summary-mark-as-unread-forward
7413 'gnus-summary-tick-article-forward)
7414 (make-obsolete 'gnus-summary-mark-as-unread-forward
7415 'gnus-summary-tick-article-forward)
7416 (defun gnus-summary-tick-article-forward (n)
7417 "Tick N articles forwards.
7418 If N is negative, tick backwards instead.
7419 The difference between N and the number of articles ticked is returned."
7421 (gnus-summary-mark-forward n gnus-ticked-mark))
7423 (defalias 'gnus-summary-mark-as-unread-backward
7424 'gnus-summary-tick-article-backward)
7425 (make-obsolete 'gnus-summary-mark-as-unread-backward
7426 'gnus-summary-tick-article-backward)
7427 (defun gnus-summary-tick-article-backward (n)
7428 "Tick N articles backwards.
7429 The difference between N and the number of articles ticked is returned."
7431 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
7433 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7434 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7435 (defun gnus-summary-tick-article (&optional article clear-mark)
7436 "Mark current article as unread.
7437 Optional 1st argument ARTICLE specifies article number to be marked as unread.
7438 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
7440 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
7443 (defun gnus-summary-mark-as-read-forward (n)
7444 "Mark N articles as read forwards.
7445 If N is negative, mark backwards instead.
7446 The difference between N and the actual number of articles marked is
7449 (gnus-summary-mark-forward n gnus-del-mark t))
7451 (defun gnus-summary-mark-as-read-backward (n)
7452 "Mark the N articles as read backwards.
7453 The difference between N and the actual number of articles marked is
7456 (gnus-summary-mark-forward (- n) gnus-del-mark t))
7458 (defun gnus-summary-mark-as-read (&optional article mark)
7459 "Mark current article as read.
7460 ARTICLE specifies the article to be marked as read.
7461 MARK specifies a string to be inserted at the beginning of the line."
7462 (gnus-summary-mark-article article mark))
7464 (defun gnus-summary-clear-mark-forward (n)
7465 "Clear marks from N articles forward.
7466 If N is negative, clear backward instead.
7467 The difference between N and the number of marks cleared is returned."
7469 (gnus-summary-mark-forward n gnus-unread-mark))
7471 (defun gnus-summary-clear-mark-backward (n)
7472 "Clear marks from N articles backward.
7473 The difference between N and the number of marks cleared is returned."
7475 (gnus-summary-mark-forward (- n) gnus-unread-mark))
7477 (defun gnus-summary-mark-unread-as-read ()
7478 "Intended to be used by `gnus-summary-mark-article-hook'."
7479 (when (memq gnus-current-article gnus-newsgroup-unreads)
7480 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
7482 (defun gnus-summary-mark-read-and-unread-as-read ()
7483 "Intended to be used by `gnus-summary-mark-article-hook'."
7484 (let ((mark (gnus-summary-article-mark)))
7485 (when (or (gnus-unread-mark-p mark)
7486 (gnus-read-mark-p mark))
7487 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
7489 (defun gnus-summary-mark-region-as-read (point mark all)
7490 "Mark all unread articles between point and mark as read.
7491 If given a prefix, mark all articles between point and mark as read,
7492 even ticked and dormant ones."
7493 (interactive "r\nP")
7502 (memq (setq article (gnus-summary-article-number))
7503 gnus-newsgroup-unreads))
7504 (gnus-summary-mark-article article gnus-del-mark))
7506 (gnus-summary-find-next))))))
7508 (defun gnus-summary-mark-below (score mark)
7509 "Mark articles with score less than SCORE with MARK."
7510 (interactive "P\ncMark: ")
7511 (gnus-set-global-variables)
7512 (setq score (if score
7513 (prefix-numeric-value score)
7514 (or gnus-summary-default-score 0)))
7516 (set-buffer gnus-summary-buffer)
7517 (goto-char (point-min))
7520 (and (< (gnus-summary-article-score) score)
7521 (gnus-summary-mark-article nil mark))
7522 (gnus-summary-find-next)))))
7524 (defun gnus-summary-kill-below (&optional score)
7525 "Mark articles with score below SCORE as read."
7527 (gnus-set-global-variables)
7528 (gnus-summary-mark-below score gnus-killed-mark))
7530 (defun gnus-summary-clear-above (&optional score)
7531 "Clear all marks from articles with score above SCORE."
7533 (gnus-set-global-variables)
7534 (gnus-summary-mark-above score gnus-unread-mark))
7536 (defun gnus-summary-tick-above (&optional score)
7537 "Tick all articles with score above SCORE."
7539 (gnus-set-global-variables)
7540 (gnus-summary-mark-above score gnus-ticked-mark))
7542 (defun gnus-summary-mark-above (score mark)
7543 "Mark articles with score over SCORE with MARK."
7544 (interactive "P\ncMark: ")
7545 (gnus-set-global-variables)
7546 (setq score (if score
7547 (prefix-numeric-value score)
7548 (or gnus-summary-default-score 0)))
7550 (set-buffer gnus-summary-buffer)
7551 (goto-char (point-min))
7553 (when (> (gnus-summary-article-score) score)
7554 (gnus-summary-mark-article nil mark))
7556 (gnus-summary-find-next)))))
7558 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7559 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
7560 (defun gnus-summary-limit-include-expunged (&optional no-error)
7561 "Display all the hidden articles that were expunged for low scores."
7563 (gnus-set-global-variables)
7564 (let ((buffer-read-only nil))
7565 (let ((scored gnus-newsgroup-scored)
7568 (unless (gnus-summary-goto-subject (caar scored))
7569 (and (setq h (gnus-summary-article-header (caar scored)))
7570 (< (cdar scored) gnus-summary-expunge-below)
7572 (setq scored (cdr scored)))
7574 (when (not no-error)
7575 (error "No expunged articles hidden."))
7576 (goto-char (point-min))
7577 (gnus-summary-prepare-unthreaded (nreverse headers))
7578 (goto-char (point-min))
7579 (gnus-summary-position-point)
7582 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
7583 "Mark all unread articles in this newsgroup as read.
7584 If prefix argument ALL is non-nil, ticked and dormant articles will
7585 also be marked as read.
7586 If QUIETLY is non-nil, no questions will be asked.
7587 If TO-HERE is non-nil, it should be a point in the buffer. All
7588 articles before this point will be marked as read.
7589 Note that this function will only catch up the unread article
7590 in the current summary buffer limitation.
7591 The number of articles marked as read is returned."
7593 (gnus-set-global-variables)
7597 (not gnus-interactive-catchup) ;Without confirmation?
7601 "Mark absolutely all articles as read? "
7602 "Mark all unread articles as read? ")))
7604 (not gnus-newsgroup-adaptive)
7605 (not gnus-newsgroup-auto-expire)
7606 (not gnus-suppress-duplicates))
7609 (setq gnus-newsgroup-marked nil
7610 gnus-newsgroup-dormant nil))
7611 (setq gnus-newsgroup-unreads nil))
7612 ;; We actually mark all articles as canceled, which we
7613 ;; have to do when using auto-expiry or adaptive scoring.
7614 (gnus-summary-show-all-threads)
7615 (when (gnus-summary-first-subject (not all))
7617 (if to-here (< (point) to-here) t)
7618 (gnus-summary-mark-article-as-read gnus-catchup-mark)
7619 (gnus-summary-find-next (not all)))))
7620 (gnus-set-mode-line 'summary))
7622 (gnus-summary-position-point)))
7624 (defun gnus-summary-catchup-to-here (&optional all)
7625 "Mark all unticked articles before the current one as read.
7626 If ALL is non-nil, also mark ticked and dormant articles as read."
7628 (gnus-set-global-variables)
7630 (gnus-save-hidden-threads
7631 (let ((beg (point)))
7632 ;; We check that there are unread articles.
7633 (when (or all (gnus-summary-find-prev))
7634 (gnus-summary-catchup all t beg)))))
7635 (gnus-summary-position-point))
7637 (defun gnus-summary-catchup-all (&optional quietly)
7638 "Mark all articles in this newsgroup as read."
7640 (gnus-set-global-variables)
7641 (gnus-summary-catchup t quietly))
7643 (defun gnus-summary-catchup-and-exit (&optional all quietly)
7644 "Mark all articles not marked as unread in this newsgroup as read, then exit.
7645 If prefix argument ALL is non-nil, all articles are marked as read."
7647 (gnus-set-global-variables)
7648 (when (gnus-summary-catchup all quietly nil 'fast)
7649 ;; Select next newsgroup or exit.
7650 (if (eq gnus-auto-select-next 'quietly)
7651 (gnus-summary-next-group nil)
7652 (gnus-summary-exit))))
7654 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
7655 "Mark all articles in this newsgroup as read, and then exit."
7657 (gnus-set-global-variables)
7658 (gnus-summary-catchup-and-exit t quietly))
7660 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
7661 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
7662 "Mark all articles in this group as read and select the next group.
7663 If given a prefix, mark all articles, unread as well as ticked, as
7666 (gnus-set-global-variables)
7668 (gnus-summary-catchup all))
7669 (gnus-summary-next-article t nil nil t))
7671 ;; Thread-based commands.
7673 (defun gnus-summary-articles-in-thread (&optional article)
7674 "Return a list of all articles in the current thread.
7675 If ARTICLE is non-nil, return all articles in the thread that starts
7677 (let* ((article (or article (gnus-summary-article-number)))
7678 (data (gnus-data-find-list article))
7679 (top-level (gnus-data-level (car data)))
7681 (cond ((null gnus-thread-operation-ignore-subject)
7682 (gnus-simplify-subject-re
7683 (mail-header-subject (gnus-data-header (car data)))))
7684 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
7685 (gnus-simplify-subject-fuzzy
7686 (mail-header-subject (gnus-data-header (car data)))))
7688 (end-point (save-excursion
7689 (if (gnus-summary-go-to-next-thread)
7690 (point) (point-max))))
7693 (< (gnus-data-pos (car data)) end-point))
7694 (when (or (not top-subject)
7695 (string= top-subject
7696 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
7697 (gnus-simplify-subject-fuzzy
7698 (mail-header-subject
7699 (gnus-data-header (car data))))
7700 (gnus-simplify-subject-re
7701 (mail-header-subject
7702 (gnus-data-header (car data)))))))
7703 (push (gnus-data-number (car data)) articles))
7704 (unless (and (setq data (cdr data))
7705 (> (gnus-data-level (car data)) top-level))
7707 ;; Return the list of articles.
7708 (nreverse articles)))
7710 (defun gnus-summary-rethread-current ()
7711 "Rethread the thread the current article is part of."
7713 (gnus-set-global-variables)
7714 (let* ((gnus-show-threads t)
7715 (article (gnus-summary-article-number))
7716 (id (mail-header-id (gnus-summary-article-header)))
7717 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
7719 (error "No article on the current line"))
7720 (gnus-rebuild-thread id)
7721 (gnus-summary-goto-subject article)))
7723 (defun gnus-summary-reparent-thread ()
7724 "Make current article child of the marked (or previous) article.
7726 Note that the re-threading will only work if `gnus-thread-ignore-subject'
7727 is non-nil or the Subject: of both articles are the same."
7729 (unless (not (gnus-group-read-only-p))
7730 (error "The current newsgroup does not support article editing."))
7731 (unless (<= (length gnus-newsgroup-processable) 1)
7732 (error "No more than one article may be marked."))
7733 (save-window-excursion
7734 (let ((gnus-article-buffer " *reparent*")
7735 (current-article (gnus-summary-article-number))
7736 ; first grab the marked article, otherwise one line up.
7737 (parent-article (if (not (null gnus-newsgroup-processable))
7738 (car gnus-newsgroup-processable)
7740 (if (eq (forward-line -1) 0)
7741 (gnus-summary-article-number)
7742 (error "Beginning of summary buffer."))))))
7743 (unless (not (eq current-article parent-article))
7744 (error "An article may not be self-referential."))
7745 (let ((message-id (mail-header-id
7746 (gnus-summary-article-header parent-article))))
7747 (unless (and message-id (not (equal message-id "")))
7748 (error "No message-id in desired parent."))
7749 (gnus-summary-select-article t t nil current-article)
7750 (set-buffer gnus-article-buffer)
7751 (setq buffer-read-only nil)
7752 (let ((buf (format "%s" (buffer-string))))
7755 (goto-char (point-min))
7756 (if (search-forward-regexp "^References: " nil t)
7757 (insert message-id " " )
7758 (insert "References: " message-id "\n"))
7759 (unless (gnus-request-replace-article current-article
7760 (car gnus-article-current)
7761 gnus-article-buffer)
7762 (error "Couldn't replace article."))
7763 (set-buffer gnus-summary-buffer)
7764 (gnus-summary-unmark-all-processable)
7765 (gnus-summary-rethread-current)
7766 (gnus-message 3 "Article %d is now the child of article %d."
7767 current-article parent-article)))))
7769 (defun gnus-summary-toggle-threads (&optional arg)
7770 "Toggle showing conversation threads.
7771 If ARG is positive number, turn showing conversation threads on."
7773 (gnus-set-global-variables)
7774 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
7775 (setq gnus-show-threads
7776 (if (null arg) (not gnus-show-threads)
7777 (> (prefix-numeric-value arg) 0)))
7778 (gnus-summary-prepare)
7779 (gnus-summary-goto-subject current)
7780 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
7781 (gnus-summary-position-point)))
7783 (defun gnus-summary-show-all-threads ()
7786 (gnus-set-global-variables)
7788 (let ((buffer-read-only nil))
7789 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
7790 (gnus-summary-position-point))
7792 (defun gnus-summary-show-thread ()
7793 "Show thread subtrees.
7794 Returns nil if no thread was there to be shown."
7796 (gnus-set-global-variables)
7797 (let ((buffer-read-only nil)
7799 ;; first goto end then to beg, to have point at beg after let
7800 (end (progn (end-of-line) (point)))
7801 (beg (progn (beginning-of-line) (point))))
7803 ;; Any hidden lines here?
7804 (search-forward "\r" end t)
7805 (subst-char-in-region beg end ?\^M ?\n t)
7807 (gnus-summary-position-point))))
7809 (defun gnus-summary-hide-all-threads ()
7810 "Hide all thread subtrees."
7812 (gnus-set-global-variables)
7814 (goto-char (point-min))
7815 (gnus-summary-hide-thread)
7816 (while (zerop (gnus-summary-next-thread 1 t))
7817 (gnus-summary-hide-thread)))
7818 (gnus-summary-position-point))
7820 (defun gnus-summary-hide-thread ()
7821 "Hide thread subtrees.
7822 Returns nil if no threads were there to be hidden."
7824 (gnus-set-global-variables)
7825 (let ((buffer-read-only nil)
7827 (article (gnus-summary-article-number)))
7829 ;; Go forward until either the buffer ends or the subthread
7831 (when (and (not (eobp))
7832 (or (zerop (gnus-summary-next-thread 1 t))
7833 (goto-char (point-max))))
7835 (if (and (> (point) start)
7836 (search-backward "\n" start t))
7838 (subst-char-in-region start (point) ?\n ?\^M)
7839 (gnus-summary-goto-subject article))
7842 ;;(gnus-summary-position-point)
7845 (defun gnus-summary-go-to-next-thread (&optional previous)
7846 "Go to the same level (or less) next thread.
7847 If PREVIOUS is non-nil, go to previous thread instead.
7848 Return the article number moved to, or nil if moving was impossible."
7849 (let ((level (gnus-summary-thread-level))
7850 (way (if previous -1 1))
7853 (while (and (not (eobp))
7854 (< level (gnus-summary-thread-level)))
7862 (gnus-summary-article-number)
7865 (defun gnus-summary-next-thread (n &optional silent)
7866 "Go to the same level next N'th thread.
7867 If N is negative, search backward instead.
7868 Returns the difference between N and the number of skips actually
7871 If SILENT, don't output messages."
7873 (gnus-set-global-variables)
7874 (let ((backward (< n 0))
7877 (gnus-summary-go-to-next-thread backward))
7880 (gnus-summary-position-point))
7881 (when (and (not silent) (/= 0 n))
7882 (gnus-message 7 "No more threads"))
7885 (defun gnus-summary-prev-thread (n)
7886 "Go to the same level previous N'th thread.
7887 Returns the difference between N and the number of skips actually
7890 (gnus-set-global-variables)
7891 (gnus-summary-next-thread (- n)))
7893 (defun gnus-summary-go-down-thread ()
7894 "Go down one level in the current thread."
7895 (let ((children (gnus-summary-article-children)))
7897 (gnus-summary-goto-subject (car children)))))
7899 (defun gnus-summary-go-up-thread ()
7900 "Go up one level in the current thread."
7901 (let ((parent (gnus-summary-article-parent)))
7903 (gnus-summary-goto-subject parent))))
7905 (defun gnus-summary-down-thread (n)
7906 "Go down thread N steps.
7907 If N is negative, go up instead.
7908 Returns the difference between N and how many steps down that were
7911 (gnus-set-global-variables)
7915 (if up (gnus-summary-go-up-thread)
7916 (gnus-summary-go-down-thread)))
7918 (gnus-summary-position-point)
7920 (gnus-message 7 "Can't go further"))
7923 (defun gnus-summary-up-thread (n)
7924 "Go up thread N steps.
7925 If N is negative, go up instead.
7926 Returns the difference between N and how many steps down that were
7929 (gnus-set-global-variables)
7930 (gnus-summary-down-thread (- n)))
7932 (defun gnus-summary-top-thread ()
7933 "Go to the top of the thread."
7935 (gnus-set-global-variables)
7936 (while (gnus-summary-go-up-thread))
7937 (gnus-summary-article-number))
7939 (defun gnus-summary-kill-thread (&optional unmark)
7940 "Mark articles under current thread as read.
7941 If the prefix argument is positive, remove any kinds of marks.
7942 If the prefix argument is negative, tick articles instead."
7944 (gnus-set-global-variables)
7946 (setq unmark (prefix-numeric-value unmark)))
7947 (let ((articles (gnus-summary-articles-in-thread)))
7949 ;; Expand the thread.
7950 (gnus-summary-show-thread)
7951 ;; Mark all the articles.
7953 (gnus-summary-goto-subject (car articles))
7954 (cond ((null unmark)
7955 (gnus-summary-mark-article-as-read gnus-killed-mark))
7957 (gnus-summary-mark-article-as-unread gnus-unread-mark))
7959 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
7960 (setq articles (cdr articles))))
7961 ;; Hide killed subtrees.
7963 gnus-thread-hide-killed
7964 (gnus-summary-hide-thread))
7965 ;; If marked as read, go to next unread subject.
7967 ;; Go to next unread subject.
7968 (gnus-summary-next-subject 1 t)))
7969 (gnus-set-mode-line 'summary))
7971 ;; Summary sorting commands
7973 (defun gnus-summary-sort-by-number (&optional reverse)
7974 "Sort the summary buffer by article number.
7975 Argument REVERSE means reverse order."
7977 (gnus-summary-sort 'number reverse))
7979 (defun gnus-summary-sort-by-author (&optional reverse)
7980 "Sort the summary buffer by author name alphabetically.
7981 If case-fold-search is non-nil, case of letters is ignored.
7982 Argument REVERSE means reverse order."
7984 (gnus-summary-sort 'author reverse))
7986 (defun gnus-summary-sort-by-subject (&optional reverse)
7987 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
7988 If case-fold-search is non-nil, case of letters is ignored.
7989 Argument REVERSE means reverse order."
7991 (gnus-summary-sort 'subject reverse))
7993 (defun gnus-summary-sort-by-date (&optional reverse)
7994 "Sort the summary buffer by date.
7995 Argument REVERSE means reverse order."
7997 (gnus-summary-sort 'date reverse))
7999 (defun gnus-summary-sort-by-score (&optional reverse)
8000 "Sort the summary buffer by score.
8001 Argument REVERSE means reverse order."
8003 (gnus-summary-sort 'score reverse))
8005 (defun gnus-summary-sort-by-lines (&optional reverse)
8006 "Sort the summary buffer by article length.
8007 Argument REVERSE means reverse order."
8009 (gnus-summary-sort 'lines reverse))
8011 (defun gnus-summary-sort (predicate reverse)
8012 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
8013 (gnus-set-global-variables)
8014 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
8015 (article (intern (format "gnus-article-sort-by-%s" predicate)))
8016 (gnus-thread-sort-functions
8022 (gnus-article-sort-functions
8027 (,article t2 t1)))))
8029 (gnus-summary-prepare-hook nil))
8030 ;; We do the sorting by regenerating the threads.
8031 (gnus-summary-prepare)
8032 ;; Hide subthreads if needed.
8033 (when (and gnus-show-threads gnus-thread-hide-subtree)
8034 (gnus-summary-hide-all-threads))))
8036 ;; Summary saving commands.
8038 (defun gnus-summary-save-article (&optional n not-saved)
8039 "Save the current article using the default saver function.
8040 If N is a positive number, save the N next articles.
8041 If N is a negative number, save the N previous articles.
8042 If N is nil and any articles have been marked with the process mark,
8043 save those articles instead.
8044 The variable `gnus-default-article-saver' specifies the saver function."
8046 (gnus-set-global-variables)
8047 (let* ((articles (gnus-summary-work-articles n))
8048 (save-buffer (save-excursion
8049 (nnheader-set-temp-buffer " *Gnus Save*")))
8050 (num (length articles))
8051 header article file)
8053 (setq header (gnus-summary-article-header
8054 (setq article (pop articles))))
8055 (if (not (vectorp header))
8056 ;; This is a pseudo-article.
8057 (if (assq 'name header)
8058 (gnus-copy-file (cdr (assq 'name header)))
8059 (gnus-message 1 "Article %d is unsaveable" article))
8060 ;; This is a real article.
8061 (save-window-excursion
8062 (gnus-summary-select-article t nil nil article))
8064 (set-buffer save-buffer)
8066 (insert-buffer-substring gnus-original-article-buffer))
8067 (setq file (gnus-article-save save-buffer file num))
8068 (gnus-summary-remove-process-mark article)
8070 (gnus-summary-set-saved-mark article))))
8071 (gnus-kill-buffer save-buffer)
8072 (gnus-summary-position-point)
8073 (gnus-set-mode-line 'summary)
8076 (defun gnus-summary-pipe-output (&optional arg)
8077 "Pipe the current article to a subprocess.
8078 If N is a positive number, pipe the N next articles.
8079 If N is a negative number, pipe the N previous articles.
8080 If N is nil and any articles have been marked with the process mark,
8081 pipe those articles instead."
8083 (gnus-set-global-variables)
8084 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
8085 (gnus-summary-save-article arg t))
8086 (gnus-configure-windows 'pipe))
8088 (defun gnus-summary-save-article-mail (&optional arg)
8089 "Append the current article to an mail file.
8090 If N is a positive number, save the N next articles.
8091 If N is a negative number, save the N previous articles.
8092 If N is nil and any articles have been marked with the process mark,
8093 save those articles instead."
8095 (gnus-set-global-variables)
8096 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
8097 (gnus-summary-save-article arg)))
8099 (defun gnus-summary-save-article-rmail (&optional arg)
8100 "Append the current article to an rmail file.
8101 If N is a positive number, save the N next articles.
8102 If N is a negative number, save the N previous articles.
8103 If N is nil and any articles have been marked with the process mark,
8104 save those articles instead."
8106 (gnus-set-global-variables)
8107 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
8108 (gnus-summary-save-article arg)))
8110 (defun gnus-summary-save-article-file (&optional arg)
8111 "Append the current article to a file.
8112 If N is a positive number, save the N next articles.
8113 If N is a negative number, save the N previous articles.
8114 If N is nil and any articles have been marked with the process mark,
8115 save those articles instead."
8117 (gnus-set-global-variables)
8118 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
8119 (gnus-summary-save-article arg)))
8121 (defun gnus-summary-write-article-file (&optional arg)
8122 "Write the current article to a file, deleting the previous file.
8123 If N is a positive number, save the N next articles.
8124 If N is a negative number, save the N previous articles.
8125 If N is nil and any articles have been marked with the process mark,
8126 save those articles instead."
8128 (gnus-set-global-variables)
8129 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
8130 (gnus-summary-save-article arg)))
8132 (defun gnus-summary-save-article-body-file (&optional arg)
8133 "Append the current article body to a file.
8134 If N is a positive number, save the N next articles.
8135 If N is a negative number, save the N previous articles.
8136 If N is nil and any articles have been marked with the process mark,
8137 save those articles instead."
8139 (gnus-set-global-variables)
8140 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
8141 (gnus-summary-save-article arg)))
8143 (defun gnus-summary-pipe-message (program)
8144 "Pipe the current article through PROGRAM."
8145 (interactive "sProgram: ")
8146 (gnus-set-global-variables)
8147 (gnus-summary-select-article)
8148 (let ((mail-header-separator "")
8149 (art-buf (get-buffer gnus-article-buffer)))
8150 (gnus-eval-in-buffer-window gnus-article-buffer
8153 (let ((start (window-start))
8155 (message-pipe-buffer-body program)
8156 (set-window-start (get-buffer-window (current-buffer)) start))))))
8158 (defun gnus-get-split-value (methods)
8159 "Return a value based on the split METHODS."
8160 (let (split-name method result match)
8163 (set-buffer gnus-original-article-buffer)
8165 (nnheader-narrow-to-headers)
8167 (goto-char (point-min))
8168 (setq method (pop methods))
8169 (setq match (car method))
8172 ;; Regular expression.
8174 (re-search-forward match nil t)))
8175 ((gnus-functionp match)
8179 (setq result (funcall match gnus-newsgroup-name))))
8184 (setq result (eval match)))))
8185 (setq split-name (append (cdr method) split-name))
8186 (cond ((stringp result)
8187 (push (expand-file-name
8188 result gnus-article-save-directory)
8191 (setq split-name (append result split-name)))))))))
8194 (defun gnus-valid-move-group-p (group)
8199 (car (gnus-find-method-for-group
8200 (symbol-name group))))
8201 gnus-valid-select-methods))))
8203 (defun gnus-read-move-group-name (prompt default articles prefix)
8204 "Read a group name."
8205 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
8206 (minibuffer-confirm-incomplete nil) ; XEmacs
8210 (if (> (length articles) 1)
8211 (format "these %d articles" (length articles))
8216 (gnus-completing-read default prom
8218 'gnus-valid-move-group-p
8220 'gnus-group-history))
8221 ((= 1 (length split-name))
8222 (gnus-completing-read (car split-name) prom
8224 'gnus-valid-move-group-p
8226 'gnus-group-history))
8228 (gnus-completing-read nil prom
8229 (mapcar (lambda (el) (list el))
8230 (nreverse split-name))
8232 'gnus-group-history)))))
8234 (if (or (string= to-newsgroup "")
8235 (string= to-newsgroup prefix))
8236 (setq to-newsgroup (or default "")))
8237 (or (gnus-active to-newsgroup)
8238 (gnus-activate-group to-newsgroup)
8239 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
8241 (or (and (gnus-request-create-group
8242 to-newsgroup (gnus-group-name-to-method to-newsgroup))
8243 (gnus-activate-group to-newsgroup nil nil
8244 (gnus-group-name-to-method
8246 (error "Couldn't create group %s" to-newsgroup)))
8247 (error "No such group: %s" to-newsgroup)))
8250 ;; Summary extract commands
8252 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
8253 (let ((buffer-read-only nil)
8254 (article (gnus-summary-article-number))
8256 (unless (gnus-summary-goto-subject article)
8257 (error "No such article: %d" article))
8258 (gnus-summary-position-point)
8259 ;; If all commands are to be bunched up on one line, we collect
8261 (unless gnus-view-pseudos-separately
8262 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
8265 (setq action (cdr (assq 'action (car ps))))
8266 (setq files (list (cdr (assq 'name (car ps)))))
8267 (while (and ps (cdr ps)
8268 (string= (or action "1")
8269 (or (cdr (assq 'action (cadr ps))) "2")))
8270 (push (cdr (assq 'name (cadr ps))) files)
8271 (setcdr ps (cddr ps)))
8273 (when (not (string-match "%s" action))
8276 (when (assq 'execute (car ps))
8277 (setcdr (assq 'execute (car ps))
8278 (funcall (if (string-match "%s" action)
8285 (gnus-quote-arg-for-sh-or-csh f)))
8287 (setq ps (cdr ps)))))
8288 (if (and gnus-view-pseudos (not not-view))
8290 (when (assq 'execute (car pslist))
8291 (gnus-execute-command (cdr (assq 'execute (car pslist)))
8292 (eq gnus-view-pseudos 'not-confirm)))
8293 (setq pslist (cdr pslist)))
8296 (setq after-article (or (cdr (assq 'article (car pslist)))
8297 (gnus-summary-article-number)))
8298 (gnus-summary-goto-subject after-article)
8301 (insert " " (file-name-nondirectory
8302 (cdr (assq 'name (car pslist))))
8303 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
8305 (forward-line -1) ; back to `b'
8306 (gnus-add-text-properties
8307 b (1- e) (list 'gnus-number gnus-reffed-article-number
8308 gnus-mouse-face-prop gnus-mouse-face))
8310 after-article gnus-reffed-article-number
8311 gnus-unread-mark b (car pslist) 0 (- e b))
8312 (push gnus-reffed-article-number gnus-newsgroup-unreads)
8313 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
8314 (setq pslist (cdr pslist)))))))
8316 (defun gnus-pseudos< (p1 p2)
8317 (let ((c1 (cdr (assq 'action p1)))
8318 (c2 (cdr (assq 'action p2))))
8319 (and c1 c2 (string< c1 c2))))
8321 (defun gnus-request-pseudo-article (props)
8322 (cond ((assq 'execute props)
8323 (gnus-execute-command (cdr (assq 'execute props)))))
8324 (let ((gnus-current-article (gnus-summary-article-number)))
8325 (run-hooks 'gnus-mark-article-hook)))
8327 (defun gnus-execute-command (command &optional automatic)
8329 (gnus-article-setup-buffer)
8330 (set-buffer gnus-article-buffer)
8331 (setq buffer-read-only nil)
8332 (let ((command (if automatic command (read-string "Command: " command)))
8333 ;; Just binding this here doesn't help, because there might
8334 ;; be output from the process after exiting the scope of
8336 ;; (buffer-read-only nil)
8339 (insert "$ " command "\n\n")
8340 (if gnus-view-pseudo-asynchronously
8341 (start-process "gnus-execute" nil shell-file-name
8342 shell-command-switch command)
8343 (call-process shell-file-name nil t nil
8344 shell-command-switch command)))))
8346 ;; Summary kill commands.
8348 (defun gnus-summary-edit-global-kill (article)
8349 "Edit the \"global\" kill file."
8350 (interactive (list (gnus-summary-article-number)))
8351 (gnus-set-global-variables)
8352 (gnus-group-edit-global-kill article))
8354 (defun gnus-summary-edit-local-kill ()
8355 "Edit a local kill file applied to the current newsgroup."
8357 (gnus-set-global-variables)
8358 (setq gnus-current-headers (gnus-summary-article-header))
8359 (gnus-set-global-variables)
8360 (gnus-group-edit-local-kill
8361 (gnus-summary-article-number) gnus-newsgroup-name))
8365 (defun gnus-read-header (id &optional header)
8366 "Read the headers of article ID and enter them into the Gnus system."
8367 (let ((group gnus-newsgroup-name)
8368 (gnus-override-method
8369 (and (gnus-news-group-p gnus-newsgroup-name)
8370 gnus-refer-article-method))
8372 ;; First we check to see whether the header in question is already
8375 ;; This is a Message-ID.
8376 (setq header (or header (gnus-id-to-header id)))
8377 ;; This is an article number.
8378 (setq header (or header (gnus-summary-article-header id))))
8380 (not (gnus-summary-article-sparse-p (mail-header-number header))))
8381 ;; We have found the header.
8383 ;; We have to really fetch the header to this article.
8385 (set-buffer nntp-server-buffer)
8386 (when (setq where (gnus-request-head id group))
8387 (nnheader-fold-continuation-lines)
8388 (goto-char (point-max))
8390 (goto-char (point-min))
8394 ((cdr where) (cdr where))
8395 (header (mail-header-number header))
8396 (t gnus-reffed-article-number))
8398 (insert " Article retrieved.\n"))
8400 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
8401 () ; Malformed head.
8402 (unless (gnus-summary-article-sparse-p (mail-header-number header))
8403 (when (and (stringp id)
8404 (not (string= (gnus-group-real-name group)
8406 ;; If we fetched by Message-ID and the article came
8407 ;; from a different group, we fudge some bogus article
8408 ;; numbers for this article.
8409 (mail-header-set-number header gnus-reffed-article-number))
8411 (set-buffer gnus-summary-buffer)
8412 (decf gnus-reffed-article-number)
8413 (gnus-remove-header (mail-header-number header))
8414 (push header gnus-newsgroup-headers)
8415 (setq gnus-current-headers header)
8416 (push (mail-header-number header) gnus-newsgroup-limit)))
8419 (defun gnus-remove-header (number)
8420 "Remove header NUMBER from `gnus-newsgroup-headers'."
8421 (if (and gnus-newsgroup-headers
8422 (= number (mail-header-number (car gnus-newsgroup-headers))))
8423 (pop gnus-newsgroup-headers)
8424 (let ((headers gnus-newsgroup-headers))
8425 (while (and (cdr headers)
8426 (not (= number (mail-header-number (cadr headers)))))
8429 (setcdr headers (cddr headers))))))
8432 ;;; summary highlights
8435 (defun gnus-highlight-selected-summary ()
8436 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
8437 ;; Highlight selected article in summary buffer
8438 (when gnus-summary-selected-face
8440 (let* ((beg (progn (beginning-of-line) (point)))
8441 (end (progn (end-of-line) (point)))
8442 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
8443 (from (if (get-text-property beg gnus-mouse-face-prop)
8445 (or (next-single-property-change
8446 beg gnus-mouse-face-prop nil end)
8451 (or (next-single-property-change
8452 from gnus-mouse-face-prop nil end)
8454 ;; If no mouse-face prop on line we will have to = from = end,
8455 ;; so we highlight the entire line instead.
8456 (when (= (+ to 2) from)
8459 (if gnus-newsgroup-selected-overlay
8460 ;; Move old overlay.
8462 gnus-newsgroup-selected-overlay from to (current-buffer))
8463 ;; Create new overlay.
8465 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
8466 'face gnus-summary-selected-face))))))
8468 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
8469 (defun gnus-summary-highlight-line ()
8470 "Highlight current line according to `gnus-summary-highlight'."
8471 (let* ((list gnus-summary-highlight)
8473 (end (progn (end-of-line) (point)))
8474 ;; now find out where the line starts and leave point there.
8475 (beg (progn (beginning-of-line) (point)))
8476 (article (gnus-summary-article-number))
8477 (score (or (cdr (assq (or article gnus-current-article)
8478 gnus-newsgroup-scored))
8479 gnus-summary-default-score 0))
8480 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
8481 (inhibit-read-only t))
8482 ;; Eval the cars of the lists until we find a match.
8483 (let ((default gnus-summary-default-score))
8485 (not (eval (caar list))))
8486 (setq list (cdr list))))
8487 (let ((face (cdar list)))
8488 (unless (eq face (get-text-property beg 'face))
8489 (gnus-put-text-property
8491 (setq face (if (boundp face) (symbol-value face) face)))
8492 (when gnus-summary-highlight-line-function
8493 (funcall gnus-summary-highlight-line-function article face))))
8496 (defun gnus-update-read-articles (group unread)
8497 "Update the list of read articles in GROUP."
8498 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
8499 (entry (gnus-gethash group gnus-newsrc-hashtb))
8500 (info (nth 2 entry))
8502 (unread (sort (copy-sequence unread) '<))
8504 (if (or (not info) (not active))
8505 ;; There is no info on this group if it was, in fact,
8506 ;; killed. Gnus stores no information on killed groups, so
8507 ;; there's nothing to be done.
8508 ;; One could store the information somewhere temporarily,
8509 ;; perhaps... Hmmm...
8511 ;; Remove any negative articles numbers.
8512 (while (and unread (< (car unread) 0))
8513 (setq unread (cdr unread)))
8514 ;; Remove any expired article numbers
8515 (while (and unread (< (car unread) (car active)))
8516 (setq unread (cdr unread)))
8517 ;; Compute the ranges of read articles by looking at the list of
8520 (when (/= (car unread) prev)
8521 (push (if (= prev (1- (car unread))) prev
8522 (cons prev (1- (car unread))))
8524 (setq prev (1+ (car unread)))
8525 (setq unread (cdr unread)))
8526 (when (<= prev (cdr active))
8527 (push (cons prev (cdr active)) read))
8529 (set-buffer gnus-group-buffer)
8532 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
8533 (gnus-info-set-read ',info ',(gnus-info-read info))
8534 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
8535 (gnus-group-update-group ,group t))))
8536 ;; Enter this list into the group info.
8538 info (if (> (length read) 1) (nreverse read) read))
8539 ;; Set the number of unread articles in gnus-newsrc-hashtb.
8540 (gnus-get-unread-articles-in-group info (gnus-active group))
8545 (run-hooks 'gnus-sum-load-hook)
8547 ;;; gnus-sum.el ends here