1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
40 ;; (require 'gnus-art)
42 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
43 (autoload 'gnus-cache-write-active "gnus-cache")
44 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
45 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
46 (autoload 'mm-uu-dissect "mm-uu")
48 (defcustom gnus-kill-summary-on-exit t
49 "*If non-nil, kill the summary buffer when you exit from it.
50 If nil, the summary will become a \"*Dead Summary*\" buffer, and
51 it will be killed sometime later."
52 :group 'gnus-summary-exit
55 (defcustom gnus-fetch-old-headers nil
56 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
57 If an unread article in the group refers to an older, already read (or
58 just marked as read) article, the old article will not normally be
59 displayed in the Summary buffer. If this variable is non-nil, Gnus
60 will attempt to grab the headers to the old articles, and thereby
61 build complete threads. If it has the value `some', only enough
62 headers to connect otherwise loose threads will be displayed. This
63 variable can also be a number. In that case, no more than that number
64 of old headers will be fetched. If it has the value `invisible', all
65 old headers will be fetched, but none will be displayed.
67 The server has to support NOV for any of this to work."
69 :type '(choice (const :tag "off" nil)
72 (sexp :menu-tag "other" t)))
74 (defcustom gnus-refer-thread-limit 200
75 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
76 If t, fetch all the available old headers."
79 (sexp :menu-tag "other" t)))
81 (defcustom gnus-summary-make-false-root 'adopt
82 "*nil means that Gnus won't gather loose threads.
83 If the root of a thread has expired or been read in a previous
84 session, the information necessary to build a complete thread has been
85 lost. Instead of having many small sub-threads from this original thread
86 scattered all over the summary buffer, Gnus can gather them.
88 If non-nil, Gnus will try to gather all loose sub-threads from an
89 original thread into one large thread.
91 If this variable is non-nil, it should be one of `none', `adopt',
94 If this variable is `none', Gnus will not make a false root, but just
95 present the sub-threads after another.
96 If this variable is `dummy', Gnus will create a dummy root that will
97 have all the sub-threads as children.
98 If this variable is `adopt', Gnus will make one of the \"children\"
99 the parent and mark all the step-children as such.
100 If this variable is `empty', the \"children\" are printed with empty
101 subject fields. (Or rather, they will be printed with a string
102 given by the `gnus-summary-same-subject' variable.)"
104 :type '(choice (const :tag "off" nil)
110 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
111 "*A regexp to match subjects to be excluded from loose thread gathering.
112 As loose thread gathering is done on subjects only, that means that
113 there can be many false gatherings performed. By rooting out certain
114 common subjects, gathering might become saner."
118 (defcustom gnus-summary-gather-subject-limit nil
119 "*Maximum length of subject comparisons when gathering loose threads.
120 Use nil to compare full subjects. Setting this variable to a low
121 number will help gather threads that have been corrupted by
122 newsreaders chopping off subject lines, but it might also mean that
123 unrelated articles that have subject that happen to begin with the
124 same few characters will be incorrectly gathered.
126 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
129 :type '(choice (const :tag "off" nil)
131 (sexp :menu-tag "on" t)))
133 (defcustom gnus-simplify-subject-functions nil
134 "List of functions taking a string argument that simplify subjects.
135 The functions are applied recursively.
137 Useful functions to put in this list include: `gnus-simplify-subject-re',
138 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
140 :type '(repeat function))
142 (defcustom gnus-simplify-ignored-prefixes nil
143 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
145 :type '(choice (const :tag "off" nil)
148 (defcustom gnus-build-sparse-threads nil
149 "*If non-nil, fill in the gaps in threads.
150 If `some', only fill in the gaps that are needed to tie loose threads
151 together. If `more', fill in all leaf nodes that Gnus can find. If
152 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
154 :type '(choice (const :tag "off" nil)
157 (sexp :menu-tag "all" t)))
159 (defcustom gnus-summary-thread-gathering-function
160 'gnus-gather-threads-by-subject
161 "*Function used for gathering loose threads.
162 There are two pre-defined functions: `gnus-gather-threads-by-subject',
163 which only takes Subjects into consideration; and
164 `gnus-gather-threads-by-references', which compared the References
165 headers of the articles to find matches."
167 :type '(radio (function-item gnus-gather-threads-by-subject)
168 (function-item gnus-gather-threads-by-references)
169 (function :tag "other")))
171 (defcustom gnus-summary-same-subject ""
172 "*String indicating that the current article has the same subject as the previous.
173 This variable will only be used if the value of
174 `gnus-summary-make-false-root' is `empty'."
175 :group 'gnus-summary-format
178 (defcustom gnus-summary-goto-unread t
179 "*If t, many commands will go to the next unread article.
180 This applies to marking commands as well as other commands that
181 \"naturally\" select the next article, like, for instance, `SPC' at
182 the end of an article.
184 If nil, the marking commands do NOT go to the next unread article
185 (they go to the next article instead). If `never', commands that
186 usually go to the next unread article, will go to the next article,
187 whether it is read or not."
188 :group 'gnus-summary-marks
189 :link '(custom-manual "(gnus)Setting Marks")
190 :type '(choice (const :tag "off" nil)
192 (sexp :menu-tag "on" t)))
194 (defcustom gnus-summary-default-score 0
195 "*Default article score level.
196 All scores generated by the score files will be added to this score.
197 If this variable is nil, scoring will be disabled."
198 :group 'gnus-score-default
199 :type '(choice (const :tag "disable")
202 (defcustom gnus-summary-zcore-fuzz 0
203 "*Fuzziness factor for the zcore in the summary buffer.
204 Articles with scores closer than this to `gnus-summary-default-score'
206 :group 'gnus-summary-format
209 (defcustom gnus-simplify-subject-fuzzy-regexp nil
210 "*Strings to be removed when doing fuzzy matches.
211 This can either be a regular expression or list of regular expressions
212 that will be removed from subject strings if fuzzy subject
213 simplification is selected."
215 :type '(repeat regexp))
217 (defcustom gnus-show-threads t
218 "*If non-nil, display threads in summary mode."
222 (defcustom gnus-thread-hide-subtree nil
223 "*If non-nil, hide all threads initially.
224 If threads are hidden, you have to run the command
225 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
226 to expose hidden threads."
230 (defcustom gnus-thread-hide-killed t
231 "*If non-nil, hide killed threads automatically."
235 (defcustom gnus-thread-ignore-subject t
236 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
237 If nil, articles that have different subjects from their parents will
238 start separate threads."
242 (defcustom gnus-thread-operation-ignore-subject t
243 "*If non-nil, subjects will be ignored when doing thread commands.
244 This affects commands like `gnus-summary-kill-thread' and
245 `gnus-summary-lower-thread'.
247 If this variable is nil, articles in the same thread with different
248 subjects will not be included in the operation in question. If this
249 variable is `fuzzy', only articles that have subjects that are fuzzily
250 equal will be included."
252 :type '(choice (const :tag "off" nil)
256 (defcustom gnus-thread-indent-level 4
257 "*Number that says how much each sub-thread should be indented."
261 (defcustom gnus-auto-extend-newsgroup t
262 "*If non-nil, extend newsgroup forward and backward when requested."
263 :group 'gnus-summary-choose
266 (defcustom gnus-auto-select-first t
267 "*If nil, don't select the first unread article when entering a group.
268 If this variable is `best', select the highest-scored unread article
269 in the group. If t, select the first unread article.
271 This variable can also be a function to place point on a likely
272 subject line. Useful values include `gnus-summary-first-unread-subject',
273 `gnus-summary-first-unread-article' and
274 `gnus-summary-best-unread-article'.
276 If you want to prevent automatic selection of the first unread article
277 in some newsgroups, set the variable to nil in
278 `gnus-select-group-hook'."
279 :group 'gnus-group-select
280 :type '(choice (const :tag "none" nil)
282 (sexp :menu-tag "first" t)
283 (function-item gnus-summary-first-unread-subject)
284 (function-item gnus-summary-first-unread-article)
285 (function-item gnus-summary-best-unread-article)))
287 (defcustom gnus-auto-select-next t
288 "*If non-nil, offer to go to the next group from the end of the previous.
289 If the value is t and the next newsgroup is empty, Gnus will exit
290 summary mode and go back to group mode. If the value is neither nil
291 nor t, Gnus will select the following unread newsgroup. In
292 particular, if the value is the symbol `quietly', the next unread
293 newsgroup will be selected without any confirmation, and if it is
294 `almost-quietly', the next group will be selected without any
295 confirmation if you are located on the last article in the group.
296 Finally, if this variable is `slightly-quietly', the `Z n' command
297 will go to the next group without confirmation."
298 :group 'gnus-summary-maneuvering
299 :type '(choice (const :tag "off" nil)
301 (const almost-quietly)
302 (const slightly-quietly)
303 (sexp :menu-tag "on" t)))
305 (defcustom gnus-auto-select-same nil
306 "*If non-nil, select the next article with the same subject.
307 If there are no more articles with the same subject, go to
308 the first unread article."
309 :group 'gnus-summary-maneuvering
312 (defcustom gnus-summary-check-current nil
313 "*If non-nil, consider the current article when moving.
314 The \"unread\" movement commands will stay on the same line if the
315 current article is unread."
316 :group 'gnus-summary-maneuvering
319 (defcustom gnus-auto-center-summary t
320 "*If non-nil, always center the current summary buffer.
321 In particular, if `vertical' do only vertical recentering. If non-nil
322 and non-`vertical', do both horizontal and vertical recentering."
323 :group 'gnus-summary-maneuvering
324 :type '(choice (const :tag "none" nil)
326 (integer :tag "height")
327 (sexp :menu-tag "both" t)))
329 (defcustom gnus-show-all-headers nil
330 "*If non-nil, don't hide any headers."
331 :group 'gnus-article-hiding
332 :group 'gnus-article-headers
335 (defcustom gnus-summary-ignore-duplicates nil
336 "*If non-nil, ignore articles with identical Message-ID headers."
340 (defcustom gnus-single-article-buffer t
341 "*If non-nil, display all articles in the same buffer.
342 If nil, each group will get its own article buffer."
343 :group 'gnus-article-various
346 (defcustom gnus-break-pages t
347 "*If non-nil, do page breaking on articles.
348 The page delimiter is specified by the `gnus-page-delimiter'
350 :group 'gnus-article-various
353 (defcustom gnus-move-split-methods nil
354 "*Variable used to suggest where articles are to be moved to.
355 It uses the same syntax as the `gnus-split-methods' variable.
356 However, whereas `gnus-split-methods' specifies file names as targets,
357 this variable specifies group names."
358 :group 'gnus-summary-mail
359 :type '(repeat (choice (list :value (fun) function)
360 (cons :value ("" "") regexp (repeat string))
363 (defcustom gnus-unread-mark ? ;Whitespace
364 "*Mark used for unread articles."
365 :group 'gnus-summary-marks
368 (defcustom gnus-ticked-mark ?!
369 "*Mark used for ticked articles."
370 :group 'gnus-summary-marks
373 (defcustom gnus-dormant-mark ??
374 "*Mark used for dormant articles."
375 :group 'gnus-summary-marks
378 (defcustom gnus-del-mark ?r
379 "*Mark used for del'd articles."
380 :group 'gnus-summary-marks
383 (defcustom gnus-read-mark ?R
384 "*Mark used for read articles."
385 :group 'gnus-summary-marks
388 (defcustom gnus-expirable-mark ?E
389 "*Mark used for expirable articles."
390 :group 'gnus-summary-marks
393 (defcustom gnus-killed-mark ?K
394 "*Mark used for killed articles."
395 :group 'gnus-summary-marks
398 (defcustom gnus-souped-mark ?F
399 "*Mark used for killed articles."
400 :group 'gnus-summary-marks
403 (defcustom gnus-kill-file-mark ?X
404 "*Mark used for articles killed by kill files."
405 :group 'gnus-summary-marks
408 (defcustom gnus-low-score-mark ?Y
409 "*Mark used for articles with a low score."
410 :group 'gnus-summary-marks
413 (defcustom gnus-catchup-mark ?C
414 "*Mark used for articles that are caught up."
415 :group 'gnus-summary-marks
418 (defcustom gnus-replied-mark ?A
419 "*Mark used for articles that have been replied to."
420 :group 'gnus-summary-marks
423 (defcustom gnus-cached-mark ?*
424 "*Mark used for articles that are in the cache."
425 :group 'gnus-summary-marks
428 (defcustom gnus-saved-mark ?S
429 "*Mark used for articles that have been saved to."
430 :group 'gnus-summary-marks
433 (defcustom gnus-ancient-mark ?O
434 "*Mark used for ancient articles."
435 :group 'gnus-summary-marks
438 (defcustom gnus-sparse-mark ?Q
439 "*Mark used for sparsely reffed articles."
440 :group 'gnus-summary-marks
443 (defcustom gnus-canceled-mark ?G
444 "*Mark used for canceled articles."
445 :group 'gnus-summary-marks
448 (defcustom gnus-duplicate-mark ?M
449 "*Mark used for duplicate articles."
450 :group 'gnus-summary-marks
453 (defcustom gnus-undownloaded-mark ?@
454 "*Mark used for articles that weren't downloaded."
455 :group 'gnus-summary-marks
458 (defcustom gnus-downloadable-mark ?%
459 "*Mark used for articles that are to be downloaded."
460 :group 'gnus-summary-marks
463 (defcustom gnus-unsendable-mark ?=
464 "*Mark used for articles that won't be sent."
465 :group 'gnus-summary-marks
468 (defcustom gnus-score-over-mark ?+
469 "*Score mark used for articles with high scores."
470 :group 'gnus-summary-marks
473 (defcustom gnus-score-below-mark ?-
474 "*Score mark used for articles with low scores."
475 :group 'gnus-summary-marks
478 (defcustom gnus-empty-thread-mark ? ;Whitespace
479 "*There is no thread under the article."
480 :group 'gnus-summary-marks
483 (defcustom gnus-not-empty-thread-mark ?=
484 "*There is a thread under the article."
485 :group 'gnus-summary-marks
488 (defcustom gnus-view-pseudo-asynchronously nil
489 "*If non-nil, Gnus will view pseudo-articles asynchronously."
490 :group 'gnus-extract-view
493 (defcustom gnus-auto-expirable-marks
494 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
495 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
496 gnus-souped-mark gnus-duplicate-mark)
497 "*The list of marks converted into expiration if a group is auto-expirable."
500 :type '(repeat character))
502 (defcustom gnus-inhibit-user-auto-expire t
503 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
508 (defcustom gnus-view-pseudos nil
509 "*If `automatic', pseudo-articles will be viewed automatically.
510 If `not-confirm', pseudos will be viewed automatically, and the user
511 will not be asked to confirm the command."
512 :group 'gnus-extract-view
513 :type '(choice (const :tag "off" nil)
515 (const not-confirm)))
517 (defcustom gnus-view-pseudos-separately t
518 "*If non-nil, one pseudo-article will be created for each file to be viewed.
519 If nil, all files that use the same viewing command will be given as a
520 list of parameters to that command."
521 :group 'gnus-extract-view
524 (defcustom gnus-insert-pseudo-articles t
525 "*If non-nil, insert pseudo-articles when decoding articles."
526 :group 'gnus-extract-view
529 (defcustom gnus-summary-dummy-line-format
531 "*The format specification for the dummy roots in the summary buffer.
532 It works along the same lines as a normal formatting string,
533 with some simple extensions.
536 :group 'gnus-threading
539 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
540 "*The format specification for the summary mode line.
541 It works along the same lines as a normal formatting string,
542 with some simple extensions:
545 %p Unprefixed group name
546 %A Current article number
547 %z Current article score
549 %U Number of unread articles in the group
550 %e Number of unselected articles in the group
551 %Z A string with unread/unselected article counts
552 %g Shortish group name
553 %S Subject of the current article
555 %s Current score file name
556 %d Number of dormant articles
557 %r Number of articles that have been marked as read in this session
558 %E Number of articles expunged by the score files"
559 :group 'gnus-summary-format
562 (defcustom gnus-list-identifiers nil
563 "Regexp that matches list identifiers to be removed from subject.
564 This can also be a list of regexps."
566 :group 'gnus-summary-format
567 :group 'gnus-article-hiding
568 :type '(choice (const :tag "none" nil)
570 (repeat :value (".*") regexp)))
572 (defcustom gnus-summary-mark-below 0
573 "*Mark all articles with a score below this variable as read.
574 This variable is local to each summary buffer and usually set by the
576 :group 'gnus-score-default
579 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
580 "*List of functions used for sorting articles in the summary buffer.
581 This variable is only used when not using a threaded display."
582 :group 'gnus-summary-sort
583 :type '(repeat (choice (function-item gnus-article-sort-by-number)
584 (function-item gnus-article-sort-by-author)
585 (function-item gnus-article-sort-by-subject)
586 (function-item gnus-article-sort-by-date)
587 (function-item gnus-article-sort-by-score)
588 (function :tag "other"))))
590 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
591 "*List of functions used for sorting threads in the summary buffer.
592 By default, threads are sorted by article number.
594 Each function takes two threads and return non-nil if the first thread
595 should be sorted before the other. If you use more than one function,
596 the primary sort function should be the last. You should probably
597 always include `gnus-thread-sort-by-number' in the list of sorting
598 functions -- preferably first.
600 Ready-made functions include `gnus-thread-sort-by-number',
601 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
602 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
603 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
604 :group 'gnus-summary-sort
605 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
606 (function-item gnus-thread-sort-by-author)
607 (function-item gnus-thread-sort-by-subject)
608 (function-item gnus-thread-sort-by-date)
609 (function-item gnus-thread-sort-by-score)
610 (function-item gnus-thread-sort-by-total-score)
611 (function :tag "other"))))
613 (defcustom gnus-thread-score-function '+
614 "*Function used for calculating the total score of a thread.
616 The function is called with the scores of the article and each
617 subthread and should then return the score of the thread.
619 Some functions you can use are `+', `max', or `min'."
620 :group 'gnus-summary-sort
623 (defcustom gnus-summary-expunge-below nil
624 "All articles that have a score less than this variable will be expunged.
625 This variable is local to the summary buffers."
626 :group 'gnus-score-default
627 :type '(choice (const :tag "off" nil)
630 (defcustom gnus-thread-expunge-below nil
631 "All threads that have a total score less than this variable will be expunged.
632 See `gnus-thread-score-function' for en explanation of what a
635 This variable is local to the summary buffers."
636 :group 'gnus-threading
637 :group 'gnus-score-default
638 :type '(choice (const :tag "off" nil)
641 (defcustom gnus-summary-mode-hook nil
642 "*A hook for Gnus summary mode.
643 This hook is run before any variables are set in the summary buffer."
644 :options '(turn-on-gnus-mailing-list-mode)
645 :group 'gnus-summary-various
648 (defcustom gnus-summary-menu-hook nil
649 "*Hook run after the creation of the summary mode menu."
650 :group 'gnus-summary-visual
653 (defcustom gnus-summary-exit-hook nil
654 "*A hook called on exit from the summary buffer.
655 It will be called with point in the group buffer."
656 :group 'gnus-summary-exit
659 (defcustom gnus-summary-prepare-hook nil
660 "*A hook called after the summary buffer has been generated.
661 If you want to modify the summary buffer, you can use this hook."
662 :group 'gnus-summary-various
665 (defcustom gnus-summary-prepared-hook nil
666 "*A hook called as the last thing after the summary buffer has been generated."
667 :group 'gnus-summary-various
670 (defcustom gnus-summary-generate-hook nil
671 "*A hook run just before generating the summary buffer.
672 This hook is commonly used to customize threading variables and the
674 :group 'gnus-summary-various
677 (defcustom gnus-select-group-hook nil
678 "*A hook called when a newsgroup is selected.
680 If you'd like to simplify subjects like the
681 `gnus-summary-next-same-subject' command does, you can use the
684 (setq gnus-select-group-hook
687 (mapcar (lambda (header)
688 (mail-header-set-subject
690 (gnus-simplify-subject
691 (mail-header-subject header) 're-only)))
692 gnus-newsgroup-headers))))"
693 :group 'gnus-group-select
696 (defcustom gnus-select-article-hook nil
697 "*A hook called when an article is selected."
698 :group 'gnus-summary-choose
701 (defcustom gnus-visual-mark-article-hook
702 (list 'gnus-highlight-selected-summary)
703 "*Hook run after selecting an article in the summary buffer.
704 It is meant to be used for highlighting the article in some way. It
705 is not run if `gnus-visual' is nil."
706 :group 'gnus-summary-visual
709 (defcustom gnus-parse-headers-hook nil
710 "*A hook called before parsing the headers."
714 (defcustom gnus-exit-group-hook nil
715 "*A hook called when exiting summary mode.
716 This hook is not called from the non-updating exit commands like `Q'."
720 (defcustom gnus-summary-update-hook
721 (list 'gnus-summary-highlight-line)
722 "*A hook called when a summary line is changed.
723 The hook will not be called if `gnus-visual' is nil.
725 The default function `gnus-summary-highlight-line' will
726 highlight the line according to the `gnus-summary-highlight'
728 :group 'gnus-summary-visual
731 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
732 "*A hook called when an article is selected for the first time.
733 The hook is intended to mark an article as read (or unread)
734 automatically when it is selected."
735 :group 'gnus-summary-choose
738 (defcustom gnus-group-no-more-groups-hook nil
739 "*A hook run when returning to group mode having no more (unread) groups."
740 :group 'gnus-group-select
743 (defcustom gnus-ps-print-hook nil
744 "*A hook run before ps-printing something from Gnus."
748 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
749 "Face used for highlighting the current article in the summary buffer."
750 :group 'gnus-summary-visual
753 (defcustom gnus-summary-highlight
754 '(((= mark gnus-canceled-mark)
755 . gnus-summary-cancelled-face)
756 ((and (> score default)
757 (or (= mark gnus-dormant-mark)
758 (= mark gnus-ticked-mark)))
759 . gnus-summary-high-ticked-face)
760 ((and (< score default)
761 (or (= mark gnus-dormant-mark)
762 (= mark gnus-ticked-mark)))
763 . gnus-summary-low-ticked-face)
764 ((or (= mark gnus-dormant-mark)
765 (= mark gnus-ticked-mark))
766 . gnus-summary-normal-ticked-face)
767 ((and (> score default) (= mark gnus-ancient-mark))
768 . gnus-summary-high-ancient-face)
769 ((and (< score default) (= mark gnus-ancient-mark))
770 . gnus-summary-low-ancient-face)
771 ((= mark gnus-ancient-mark)
772 . gnus-summary-normal-ancient-face)
773 ((and (> score default) (= mark gnus-unread-mark))
774 . gnus-summary-high-unread-face)
775 ((and (< score default) (= mark gnus-unread-mark))
776 . gnus-summary-low-unread-face)
777 ((= mark gnus-unread-mark)
778 . gnus-summary-normal-unread-face)
779 ((and (> score default) (memq mark (list gnus-downloadable-mark
780 gnus-undownloaded-mark)))
781 . gnus-summary-high-unread-face)
782 ((and (< score default) (memq mark (list gnus-downloadable-mark
783 gnus-undownloaded-mark)))
784 . gnus-summary-low-unread-face)
785 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
786 . gnus-summary-normal-unread-face)
788 . gnus-summary-high-read-face)
790 . gnus-summary-low-read-face)
792 . gnus-summary-normal-read-face))
793 "*Controls the highlighting of summary buffer lines.
795 A list of (FORM . FACE) pairs. When deciding how a a particular
796 summary line should be displayed, each form is evaluated. The content
797 of the face field after the first true form is used. You can change
798 how those summary lines are displayed, by editing the face field.
800 You can use the following variables in the FORM field.
802 score: The articles score
803 default: The default article score.
804 below: The score below which articles are automatically marked as read.
805 mark: The articles mark."
806 :group 'gnus-summary-visual
807 :type '(repeat (cons (sexp :tag "Form" nil)
810 (defcustom gnus-alter-header-function nil
811 "Function called to allow alteration of article header structures.
812 The function is called with one parameter, the article header vector,
813 which it may alter in any way.")
815 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
816 "Variable that says which function should be used to decode a string with encoded words.")
818 (defcustom gnus-extra-headers nil
819 "*Extra headers to parse."
822 :type '(repeat symbol))
824 (defcustom gnus-ignored-from-addresses
825 (and user-mail-address (regexp-quote user-mail-address))
826 "*Regexp of From headers that may be suppressed in favor of To headers."
831 (defcustom gnus-group-charset-alist
832 '(("^hk\\>\\|^tw\\>\\|\\<big5\\>" cn-big5)
833 ("^cn\\>\\|\\<chinese\\>" cn-gb-2312)
834 ("^fj\\>\\|^japan\\>" iso-2022-jp-2)
835 ("^tnn\\>\\|^pin\\>\\|^sci.lang.japan" iso-2022-7bit)
836 ("^relcom\\>" koi8-r)
838 ("^\\(cz\\|hun\\|pl\\|sk\\|hr\\)\\>" iso-8859-2)
839 ("^israel\\>" iso-8859-1)
841 ("^alt.chinese.text.big5\\>" chinese-big5)
842 ("^soc.culture.vietnamese\\>" vietnamese-viqr)
843 ("^\\(comp\\|rec\\|alt\\|sci\\|soc\\|news\\|gnu\\|bofh\\)\\>" iso-8859-1)
845 "Alist of regexps (to match group names) and default charsets to be used when reading."
846 :type '(repeat (list (regexp :tag "Group")
847 (symbol :tag "Charset")))
848 :group 'gnus-charset)
850 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
851 "List of charsets that should be ignored.
852 When these charsets are used in the \"charset\" parameter, the
853 default charset will be used instead."
855 :type '(repeat symbol)
856 :group 'gnus-charset)
858 (defcustom gnus-group-ignored-charsets-alist
859 '(("alt\\.chinese\\.text" iso-8859-1))
860 "Alist of regexps (to match group names) and charsets that should be ignored.
861 When these charsets are used in the \"charset\" parameter, the
862 default charset will be used instead."
863 :type '(repeat (cons (regexp :tag "Group")
865 :group 'gnus-charset)
867 (defcustom gnus-group-highlight-words-alist nil
868 "Alist of group regexps and highlight regexps.
869 This variable uses the same syntax as `gnus-emphasis-alist'."
871 :type '(repeat (cons (regexp :tag "Group")
872 (repeat (list (regexp :tag "Highlight regexp")
873 (number :tag "Group for entire word" 0)
874 (number :tag "Group for displayed part" 0)
876 gnus-emphasis-highlight-words)))))
877 :group 'gnus-summary-visual)
879 (defcustom gnus-summary-show-article-charset-alist
881 "Alist of number and charset.
882 The article will be shown with the charset corresponding to the
884 For example: ((1 . cn-gb-2312) (2 . big5))."
886 :type '(repeat (cons (number :tag "Argument" 1)
887 (symbol :tag "Charset")))
888 :group 'gnus-charset)
890 (defcustom gnus-preserve-marks t
891 "Whether marks are preserved when moving, copying and respooling messages."
894 :group 'gnus-summary-marks)
896 (defcustom gnus-alter-articles-to-read-function nil
897 "Function to be called to alter the list of articles to be selected."
899 :group 'gnus-summary)
901 (defcustom gnus-orphan-score nil
902 "*All orphans get this score added. Set in the score file."
903 :group 'gnus-score-default
904 :type '(choice (const nil)
907 (defcustom gnus-summary-save-parts-default-mime "image/.*"
908 "*A regexp to match MIME parts when saving multiple parts of a message
909 with gnus-summary-save-parts (X m). This regexp will be used by default
910 when prompting the user for which type of files to save."
915 (defcustom gnus-summary-save-parts-default-mime "image/.*"
916 "*A regexp to match MIME parts when saving multiple parts of a message
917 with gnus-summary-save-parts (X m). This regexp will be used by default
918 when prompting the user for which type of files to save."
923 ;;; Internal variables
925 (defvar gnus-article-mime-handles nil)
926 (defvar gnus-article-decoded-p nil)
927 (defvar gnus-article-charset nil)
928 (defvar gnus-article-ignored-charsets nil)
929 (defvar gnus-scores-exclude-files nil)
930 (defvar gnus-page-broken nil)
931 (defvar gnus-inhibit-mime-unbuttonizing nil)
933 (defvar gnus-original-article nil)
934 (defvar gnus-article-internal-prepare-hook nil)
935 (defvar gnus-newsgroup-process-stack nil)
937 (defvar gnus-thread-indent-array nil)
938 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
939 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
940 "Function called to sort the articles within a thread after it has been gathered together.")
942 (defvar gnus-summary-save-parts-type-history nil)
943 (defvar gnus-summary-save-parts-last-directory nil)
945 (defvar gnus-summary-save-parts-type-history nil)
946 (defvar gnus-summary-save-parts-last-directory nil)
948 ;; Avoid highlighting in kill files.
949 (defvar gnus-summary-inhibit-highlight nil)
950 (defvar gnus-newsgroup-selected-overlay nil)
951 (defvar gnus-inhibit-limiting nil)
952 (defvar gnus-newsgroup-adaptive-score-file nil)
953 (defvar gnus-current-score-file nil)
954 (defvar gnus-current-move-group nil)
955 (defvar gnus-current-copy-group nil)
956 (defvar gnus-current-crosspost-group nil)
958 (defvar gnus-newsgroup-dependencies nil)
959 (defvar gnus-newsgroup-adaptive nil)
960 (defvar gnus-summary-display-article-function nil)
961 (defvar gnus-summary-highlight-line-function nil
962 "Function called after highlighting a summary line.")
964 (defvar gnus-summary-line-format-alist
965 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
966 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
967 (?s gnus-tmp-subject-or-nil ?s)
968 (?n gnus-tmp-name ?s)
969 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
971 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
973 (?F gnus-tmp-from ?s)
974 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
975 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
976 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
977 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
978 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
979 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
980 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
981 (?L gnus-tmp-lines ?d)
982 (?I gnus-tmp-indentation ?s)
983 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
984 (?R gnus-tmp-replied ?c)
985 (?\[ gnus-tmp-opening-bracket ?c)
986 (?\] gnus-tmp-closing-bracket ?c)
987 (?\> (make-string gnus-tmp-level ? ) ?s)
988 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
989 (?i gnus-tmp-score ?d)
990 (?z gnus-tmp-score-char ?c)
991 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
992 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
993 (?U gnus-tmp-unread ?c)
994 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header) ?s)
995 (?t (gnus-summary-number-of-articles-in-thread
996 (and (boundp 'thread) (car thread)) gnus-tmp-level)
998 (?e (gnus-summary-number-of-articles-in-thread
999 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1001 (?u gnus-tmp-user-defined ?s)
1002 (?P (gnus-pick-line-number) ?d))
1003 "An alist of format specifications that can appear in summary lines.
1004 These are paired with what variables they correspond with, along with
1005 the type of the variable (string, integer, character, etc).")
1007 (defvar gnus-summary-dummy-line-format-alist
1008 `((?S gnus-tmp-subject ?s)
1009 (?N gnus-tmp-number ?d)
1010 (?u gnus-tmp-user-defined ?s)))
1012 (defvar gnus-summary-mode-line-format-alist
1013 `((?G gnus-tmp-group-name ?s)
1014 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1015 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1016 (?A gnus-tmp-article-number ?d)
1017 (?Z gnus-tmp-unread-and-unselected ?s)
1018 (?V gnus-version ?s)
1019 (?U gnus-tmp-unread-and-unticked ?d)
1020 (?S gnus-tmp-subject ?s)
1021 (?e gnus-tmp-unselected ?d)
1022 (?u gnus-tmp-user-defined ?s)
1023 (?d (length gnus-newsgroup-dormant) ?d)
1024 (?t (length gnus-newsgroup-marked) ?d)
1025 (?r (length gnus-newsgroup-reads) ?d)
1026 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1027 (?E gnus-newsgroup-expunged-tally ?d)
1028 (?s (gnus-current-score-file-nondirectory) ?s)))
1030 (defvar gnus-last-search-regexp nil
1031 "Default regexp for article search command.")
1033 (defvar gnus-last-shell-command nil
1034 "Default shell command on article.")
1036 (defvar gnus-newsgroup-begin nil)
1037 (defvar gnus-newsgroup-end nil)
1038 (defvar gnus-newsgroup-last-rmail nil)
1039 (defvar gnus-newsgroup-last-mail nil)
1040 (defvar gnus-newsgroup-last-folder nil)
1041 (defvar gnus-newsgroup-last-file nil)
1042 (defvar gnus-newsgroup-auto-expire nil)
1043 (defvar gnus-newsgroup-active nil)
1045 (defvar gnus-newsgroup-data nil)
1046 (defvar gnus-newsgroup-data-reverse nil)
1047 (defvar gnus-newsgroup-limit nil)
1048 (defvar gnus-newsgroup-limits nil)
1050 (defvar gnus-newsgroup-unreads nil
1051 "List of unread articles in the current newsgroup.")
1053 (defvar gnus-newsgroup-unselected nil
1054 "List of unselected unread articles in the current newsgroup.")
1056 (defvar gnus-newsgroup-reads nil
1057 "Alist of read articles and article marks in the current newsgroup.")
1059 (defvar gnus-newsgroup-expunged-tally nil)
1061 (defvar gnus-newsgroup-marked nil
1062 "List of ticked articles in the current newsgroup (a subset of unread art).")
1064 (defvar gnus-newsgroup-killed nil
1065 "List of ranges of articles that have been through the scoring process.")
1067 (defvar gnus-newsgroup-cached nil
1068 "List of articles that come from the article cache.")
1070 (defvar gnus-newsgroup-saved nil
1071 "List of articles that have been saved.")
1073 (defvar gnus-newsgroup-kill-headers nil)
1075 (defvar gnus-newsgroup-replied nil
1076 "List of articles that have been replied to in the current newsgroup.")
1078 (defvar gnus-newsgroup-expirable nil
1079 "List of articles in the current newsgroup that can be expired.")
1081 (defvar gnus-newsgroup-processable nil
1082 "List of articles in the current newsgroup that can be processed.")
1084 (defvar gnus-newsgroup-downloadable nil
1085 "List of articles in the current newsgroup that can be processed.")
1087 (defvar gnus-newsgroup-undownloaded nil
1088 "List of articles in the current newsgroup that haven't been downloaded..")
1090 (defvar gnus-newsgroup-unsendable nil
1091 "List of articles in the current newsgroup that won't be sent.")
1093 (defvar gnus-newsgroup-bookmarks nil
1094 "List of articles in the current newsgroup that have bookmarks.")
1096 (defvar gnus-newsgroup-dormant nil
1097 "List of dormant articles in the current newsgroup.")
1099 (defvar gnus-newsgroup-scored nil
1100 "List of scored articles in the current newsgroup.")
1102 (defvar gnus-newsgroup-headers nil
1103 "List of article headers in the current newsgroup.")
1105 (defvar gnus-newsgroup-threads nil)
1107 (defvar gnus-newsgroup-prepared nil
1108 "Whether the current group has been prepared properly.")
1110 (defvar gnus-newsgroup-ancient nil
1111 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1113 (defvar gnus-newsgroup-sparse nil)
1115 (defvar gnus-current-article nil)
1116 (defvar gnus-article-current nil)
1117 (defvar gnus-current-headers nil)
1118 (defvar gnus-have-all-headers nil)
1119 (defvar gnus-last-article nil)
1120 (defvar gnus-newsgroup-history nil)
1121 (defvar gnus-newsgroup-charset nil)
1122 (defvar gnus-newsgroup-ephemeral-charset nil)
1123 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1125 (defvar gnus-article-before-search nil)
1127 (defconst gnus-summary-local-variables
1128 '(gnus-newsgroup-name
1129 gnus-newsgroup-begin gnus-newsgroup-end
1130 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1131 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1132 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1133 gnus-newsgroup-unselected gnus-newsgroup-marked
1134 gnus-newsgroup-reads gnus-newsgroup-saved
1135 gnus-newsgroup-replied gnus-newsgroup-expirable
1136 gnus-newsgroup-processable gnus-newsgroup-killed
1137 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1138 gnus-newsgroup-unsendable
1139 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1140 gnus-newsgroup-headers gnus-newsgroup-threads
1141 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1142 gnus-current-article gnus-current-headers gnus-have-all-headers
1143 gnus-last-article gnus-article-internal-prepare-hook
1144 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1145 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1146 gnus-thread-expunge-below
1147 gnus-score-alist gnus-current-score-file
1148 (gnus-summary-expunge-below . global)
1149 (gnus-summary-mark-below . global)
1150 (gnus-orphan-score . global)
1151 gnus-newsgroup-active gnus-scores-exclude-files
1152 gnus-newsgroup-history gnus-newsgroup-ancient
1153 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1154 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1155 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1156 (gnus-newsgroup-expunged-tally . 0)
1157 gnus-cache-removable-articles gnus-newsgroup-cached
1158 gnus-newsgroup-data gnus-newsgroup-data-reverse
1159 gnus-newsgroup-limit gnus-newsgroup-limits
1160 gnus-newsgroup-charset)
1161 "Variables that are buffer-local to the summary buffers.")
1163 (defvar gnus-newsgroup-variables nil
1164 "Variables that have separate values in the newsgroups.")
1166 ;; Byte-compiler warning.
1167 (eval-when-compile (defvar gnus-article-mode-map))
1171 (defvar gnus-decode-encoded-word-methods
1172 '(mail-decode-encoded-word-string)
1173 "List of methods used to decode encoded words.
1175 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item is
1176 FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1177 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1178 whose names match REGEXP.
1181 ((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1182 mail-decode-encoded-word-string
1183 (\"chinese\" . rfc1843-decode-string))")
1185 (defvar gnus-decode-encoded-word-methods-cache nil)
1187 (defun gnus-multi-decode-encoded-word-string (string)
1188 "Apply the functions from `gnus-encoded-word-methods' that match."
1189 (unless (and gnus-decode-encoded-word-methods-cache
1190 (eq gnus-newsgroup-name
1191 (car gnus-decode-encoded-word-methods-cache)))
1192 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1195 (nconc gnus-decode-encoded-word-methods-cache (list x))
1196 (if (and gnus-newsgroup-name
1197 (string-match (car x) gnus-newsgroup-name))
1198 (nconc gnus-decode-encoded-word-methods-cache
1200 gnus-decode-encoded-word-methods))
1201 (let ((xlist gnus-decode-encoded-word-methods-cache))
1204 (setq string (funcall (pop xlist) string))))
1207 ;; Subject simplification.
1209 (defun gnus-simplify-whitespace (str)
1210 "Remove excessive whitespace from STR."
1213 (while (string-match "[ \t][ \t]+" mystr)
1214 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1216 (substring mystr (match-end 0)))))
1218 (when (string-match "^[ \t]+" mystr)
1219 (setq mystr (substring mystr (match-end 0))))
1221 (when (string-match "[ \t]+$" mystr)
1222 (setq mystr (substring mystr 0 (match-beginning 0))))
1225 (defsubst gnus-simplify-subject-re (subject)
1226 "Remove \"Re:\" from subject lines."
1227 (if (string-match "^[Rr][Ee]: *" subject)
1228 (substring subject (match-end 0))
1231 (defun gnus-simplify-subject (subject &optional re-only)
1232 "Remove `Re:' and words in parentheses.
1233 If RE-ONLY is non-nil, strip leading `Re:'s only."
1234 (let ((case-fold-search t)) ;Ignore case.
1235 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1236 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1237 (setq subject (substring subject (match-end 0))))
1238 ;; Remove uninteresting prefixes.
1239 (when (and (not re-only)
1240 gnus-simplify-ignored-prefixes
1241 (string-match gnus-simplify-ignored-prefixes subject))
1242 (setq subject (substring subject (match-end 0))))
1243 ;; Remove words in parentheses from end.
1245 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1246 (setq subject (substring subject 0 (match-beginning 0)))))
1247 ;; Return subject string.
1250 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1252 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1253 (goto-char (point-min))
1254 (while (re-search-forward regexp nil t)
1255 (replace-match (or newtext ""))))
1257 (defun gnus-simplify-buffer-fuzzy ()
1258 "Simplify string in the buffer fuzzily.
1259 The string in the accessible portion of the current buffer is simplified.
1260 It is assumed to be a single-line subject.
1261 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1262 matter is removed. Additional things can be deleted by setting
1263 `gnus-simplify-subject-fuzzy-regexp'."
1264 (let ((case-fold-search t)
1266 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1268 (while (not (eq modified-tick (buffer-modified-tick)))
1269 (setq modified-tick (buffer-modified-tick))
1271 ((listp gnus-simplify-subject-fuzzy-regexp)
1272 (mapcar 'gnus-simplify-buffer-fuzzy-step
1273 gnus-simplify-subject-fuzzy-regexp))
1274 (gnus-simplify-subject-fuzzy-regexp
1275 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1276 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1277 (gnus-simplify-buffer-fuzzy-step
1278 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1279 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1281 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1282 (gnus-simplify-buffer-fuzzy-step " +" " ")
1283 (gnus-simplify-buffer-fuzzy-step " $")
1284 (gnus-simplify-buffer-fuzzy-step "^ +")))
1286 (defun gnus-simplify-subject-fuzzy (subject)
1287 "Simplify a subject string fuzzily.
1288 See `gnus-simplify-buffer-fuzzy' for details."
1290 (gnus-set-work-buffer)
1291 (let ((case-fold-search t))
1292 ;; Remove uninteresting prefixes.
1293 (when (and gnus-simplify-ignored-prefixes
1294 (string-match gnus-simplify-ignored-prefixes subject))
1295 (setq subject (substring subject (match-end 0))))
1297 (inline (gnus-simplify-buffer-fuzzy))
1300 (defsubst gnus-simplify-subject-fully (subject)
1301 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1303 (gnus-simplify-subject-functions
1304 (gnus-map-function gnus-simplify-subject-functions subject))
1305 ((null gnus-summary-gather-subject-limit)
1306 (gnus-simplify-subject-re subject))
1307 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1308 (gnus-simplify-subject-fuzzy subject))
1309 ((numberp gnus-summary-gather-subject-limit)
1310 (gnus-limit-string (gnus-simplify-subject-re subject)
1311 gnus-summary-gather-subject-limit))
1315 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1316 "Check whether two subjects are equal.
1317 If optional argument simple-first is t, first argument is already
1320 ((null simple-first)
1321 (equal (gnus-simplify-subject-fully s1)
1322 (gnus-simplify-subject-fully s2)))
1325 (gnus-simplify-subject-fully s2)))))
1327 (defun gnus-summary-bubble-group ()
1328 "Increase the score of the current group.
1329 This is a handy function to add to `gnus-summary-exit-hook' to
1330 increase the score of each group you read."
1331 (gnus-group-add-score gnus-newsgroup-name))
1335 ;;; Gnus summary mode
1338 (put 'gnus-summary-mode 'mode-class 'special)
1341 ;; Non-orthogonal keys
1343 (gnus-define-keys gnus-summary-mode-map
1344 " " gnus-summary-next-page
1345 "\177" gnus-summary-prev-page
1346 [delete] gnus-summary-prev-page
1347 [backspace] gnus-summary-prev-page
1348 "\r" gnus-summary-scroll-up
1349 "\M-\r" gnus-summary-scroll-down
1350 "n" gnus-summary-next-unread-article
1351 "p" gnus-summary-prev-unread-article
1352 "N" gnus-summary-next-article
1353 "P" gnus-summary-prev-article
1354 "\M-\C-n" gnus-summary-next-same-subject
1355 "\M-\C-p" gnus-summary-prev-same-subject
1356 "\M-n" gnus-summary-next-unread-subject
1357 "\M-p" gnus-summary-prev-unread-subject
1358 "." gnus-summary-first-unread-article
1359 "," gnus-summary-best-unread-article
1360 "\M-s" gnus-summary-search-article-forward
1361 "\M-r" gnus-summary-search-article-backward
1362 "<" gnus-summary-beginning-of-article
1363 ">" gnus-summary-end-of-article
1364 "j" gnus-summary-goto-article
1365 "^" gnus-summary-refer-parent-article
1366 "\M-^" gnus-summary-refer-article
1367 "u" gnus-summary-tick-article-forward
1368 "!" gnus-summary-tick-article-forward
1369 "U" gnus-summary-tick-article-backward
1370 "d" gnus-summary-mark-as-read-forward
1371 "D" gnus-summary-mark-as-read-backward
1372 "E" gnus-summary-mark-as-expirable
1373 "\M-u" gnus-summary-clear-mark-forward
1374 "\M-U" gnus-summary-clear-mark-backward
1375 "k" gnus-summary-kill-same-subject-and-select
1376 "\C-k" gnus-summary-kill-same-subject
1377 "\M-\C-k" gnus-summary-kill-thread
1378 "\M-\C-l" gnus-summary-lower-thread
1379 "e" gnus-summary-edit-article
1380 "#" gnus-summary-mark-as-processable
1381 "\M-#" gnus-summary-unmark-as-processable
1382 "\M-\C-t" gnus-summary-toggle-threads
1383 "\M-\C-s" gnus-summary-show-thread
1384 "\M-\C-h" gnus-summary-hide-thread
1385 "\M-\C-f" gnus-summary-next-thread
1386 "\M-\C-b" gnus-summary-prev-thread
1387 [(meta down)] gnus-summary-next-thread
1388 [(meta up)] gnus-summary-prev-thread
1389 "\M-\C-u" gnus-summary-up-thread
1390 "\M-\C-d" gnus-summary-down-thread
1391 "&" gnus-summary-execute-command
1392 "c" gnus-summary-catchup-and-exit
1393 "\C-w" gnus-summary-mark-region-as-read
1394 "\C-t" gnus-summary-toggle-truncation
1395 "?" gnus-summary-mark-as-dormant
1396 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1397 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1398 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1399 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1400 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1401 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1402 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1403 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1404 "=" gnus-summary-expand-window
1405 "\C-x\C-s" gnus-summary-reselect-current-group
1406 "\M-g" gnus-summary-rescan-group
1407 "w" gnus-summary-stop-page-breaking
1408 "\C-c\C-r" gnus-summary-caesar-message
1409 "f" gnus-summary-followup
1410 "F" gnus-summary-followup-with-original
1411 "C" gnus-summary-cancel-article
1412 "r" gnus-summary-reply
1413 "R" gnus-summary-reply-with-original
1414 "\C-c\C-f" gnus-summary-mail-forward
1415 "o" gnus-summary-save-article
1416 "\C-o" gnus-summary-save-article-mail
1417 "|" gnus-summary-pipe-output
1418 "\M-k" gnus-summary-edit-local-kill
1419 "\M-K" gnus-summary-edit-global-kill
1421 "\C-c\C-d" gnus-summary-describe-group
1422 "q" gnus-summary-exit
1423 "Q" gnus-summary-exit-no-update
1424 "\C-c\C-i" gnus-info-find-node
1425 gnus-mouse-2 gnus-mouse-pick-article
1426 "m" gnus-summary-mail-other-window
1427 "a" gnus-summary-post-news
1428 "x" gnus-summary-limit-to-unread
1429 "s" gnus-summary-isearch-article
1430 "t" gnus-summary-toggle-header
1431 "g" gnus-summary-show-article
1432 "l" gnus-summary-goto-last-article
1433 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1434 "\C-d" gnus-summary-enter-digest-group
1435 "\M-\C-d" gnus-summary-read-document
1436 "\M-\C-e" gnus-summary-edit-parameters
1437 "\M-\C-a" gnus-summary-customize-parameters
1439 "*" gnus-cache-enter-article
1440 "\M-*" gnus-cache-remove-article
1441 "\M-&" gnus-summary-universal-argument
1442 "\C-l" gnus-recenter
1443 "I" gnus-summary-increase-score
1444 "L" gnus-summary-lower-score
1445 "\M-i" gnus-symbolic-argument
1446 "h" gnus-summary-select-article-buffer
1448 "b" gnus-article-view-part
1449 "\M-t" gnus-summary-toggle-display-buttonized
1451 "V" gnus-summary-score-map
1452 "X" gnus-uu-extract-map
1453 "S" gnus-summary-send-map)
1455 ;; Sort of orthogonal keymap
1456 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1457 "t" gnus-summary-tick-article-forward
1458 "!" gnus-summary-tick-article-forward
1459 "d" gnus-summary-mark-as-read-forward
1460 "r" gnus-summary-mark-as-read-forward
1461 "c" gnus-summary-clear-mark-forward
1462 " " gnus-summary-clear-mark-forward
1463 "e" gnus-summary-mark-as-expirable
1464 "x" gnus-summary-mark-as-expirable
1465 "?" gnus-summary-mark-as-dormant
1466 "b" gnus-summary-set-bookmark
1467 "B" gnus-summary-remove-bookmark
1468 "#" gnus-summary-mark-as-processable
1469 "\M-#" gnus-summary-unmark-as-processable
1470 "S" gnus-summary-limit-include-expunged
1471 "C" gnus-summary-catchup
1472 "H" gnus-summary-catchup-to-here
1473 "\C-c" gnus-summary-catchup-all
1474 "k" gnus-summary-kill-same-subject-and-select
1475 "K" gnus-summary-kill-same-subject
1476 "P" gnus-uu-mark-map)
1478 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1479 "c" gnus-summary-clear-above
1480 "u" gnus-summary-tick-above
1481 "m" gnus-summary-mark-above
1482 "k" gnus-summary-kill-below)
1484 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1485 "/" gnus-summary-limit-to-subject
1486 "n" gnus-summary-limit-to-articles
1487 "w" gnus-summary-pop-limit
1488 "s" gnus-summary-limit-to-subject
1489 "a" gnus-summary-limit-to-author
1490 "u" gnus-summary-limit-to-unread
1491 "m" gnus-summary-limit-to-marks
1492 "M" gnus-summary-limit-exclude-marks
1493 "v" gnus-summary-limit-to-score
1494 "*" gnus-summary-limit-include-cached
1495 "D" gnus-summary-limit-include-dormant
1496 "T" gnus-summary-limit-include-thread
1497 "d" gnus-summary-limit-exclude-dormant
1498 "t" gnus-summary-limit-to-age
1499 "x" gnus-summary-limit-to-extra
1500 "E" gnus-summary-limit-include-expunged
1501 "c" gnus-summary-limit-exclude-childless-dormant
1502 "C" gnus-summary-limit-mark-excluded-as-read)
1504 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1505 "n" gnus-summary-next-unread-article
1506 "p" gnus-summary-prev-unread-article
1507 "N" gnus-summary-next-article
1508 "P" gnus-summary-prev-article
1509 "\C-n" gnus-summary-next-same-subject
1510 "\C-p" gnus-summary-prev-same-subject
1511 "\M-n" gnus-summary-next-unread-subject
1512 "\M-p" gnus-summary-prev-unread-subject
1513 "f" gnus-summary-first-unread-article
1514 "b" gnus-summary-best-unread-article
1515 "j" gnus-summary-goto-article
1516 "g" gnus-summary-goto-subject
1517 "l" gnus-summary-goto-last-article
1518 "o" gnus-summary-pop-article)
1520 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1521 "k" gnus-summary-kill-thread
1522 "l" gnus-summary-lower-thread
1523 "i" gnus-summary-raise-thread
1524 "T" gnus-summary-toggle-threads
1525 "t" gnus-summary-rethread-current
1526 "^" gnus-summary-reparent-thread
1527 "s" gnus-summary-show-thread
1528 "S" gnus-summary-show-all-threads
1529 "h" gnus-summary-hide-thread
1530 "H" gnus-summary-hide-all-threads
1531 "n" gnus-summary-next-thread
1532 "p" gnus-summary-prev-thread
1533 "u" gnus-summary-up-thread
1534 "o" gnus-summary-top-thread
1535 "d" gnus-summary-down-thread
1536 "#" gnus-uu-mark-thread
1537 "\M-#" gnus-uu-unmark-thread)
1539 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1540 "g" gnus-summary-prepare
1541 "c" gnus-summary-insert-cached-articles)
1543 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1544 "c" gnus-summary-catchup-and-exit
1545 "C" gnus-summary-catchup-all-and-exit
1546 "E" gnus-summary-exit-no-update
1547 "Q" gnus-summary-exit
1548 "Z" gnus-summary-exit
1549 "n" gnus-summary-catchup-and-goto-next-group
1550 "R" gnus-summary-reselect-current-group
1551 "G" gnus-summary-rescan-group
1552 "N" gnus-summary-next-group
1553 "s" gnus-summary-save-newsrc
1554 "P" gnus-summary-prev-group)
1556 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1557 " " gnus-summary-next-page
1558 "n" gnus-summary-next-page
1559 "\177" gnus-summary-prev-page
1560 [delete] gnus-summary-prev-page
1561 "p" gnus-summary-prev-page
1562 "\r" gnus-summary-scroll-up
1563 "\M-\r" gnus-summary-scroll-down
1564 "<" gnus-summary-beginning-of-article
1565 ">" gnus-summary-end-of-article
1566 "b" gnus-summary-beginning-of-article
1567 "e" gnus-summary-end-of-article
1568 "^" gnus-summary-refer-parent-article
1569 "r" gnus-summary-refer-parent-article
1570 "D" gnus-summary-enter-digest-group
1571 "R" gnus-summary-refer-references
1572 "T" gnus-summary-refer-thread
1573 "g" gnus-summary-show-article
1574 "s" gnus-summary-isearch-article
1575 "P" gnus-summary-print-article
1576 "M" gnus-mailing-list-insinuate
1577 "t" gnus-article-babel)
1579 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1580 "b" gnus-article-add-buttons
1581 "B" gnus-article-add-buttons-to-head
1582 "o" gnus-article-treat-overstrike
1583 "e" gnus-article-emphasize
1584 "w" gnus-article-fill-cited-article
1585 "Q" gnus-article-fill-long-lines
1586 "C" gnus-article-capitalize-sentences
1587 "c" gnus-article-remove-cr
1588 "q" gnus-article-de-quoted-unreadable
1589 "6" gnus-article-de-base64-unreadable
1590 "Z" gnus-article-decode-HZ
1591 "h" gnus-article-wash-html
1592 "s" gnus-summary-force-verify-and-decrypt
1593 "f" gnus-article-display-x-face
1594 "l" gnus-summary-stop-page-breaking
1595 "r" gnus-summary-caesar-message
1596 "t" gnus-summary-toggle-header
1597 "v" gnus-summary-verbose-headers
1598 "H" gnus-article-strip-headers-in-body
1599 "p" gnus-article-verify-x-pgp-sig
1600 "d" gnus-article-treat-dumbquotes)
1602 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1603 "a" gnus-article-hide
1604 "h" gnus-article-hide-headers
1605 "b" gnus-article-hide-boring-headers
1606 "s" gnus-article-hide-signature
1607 "c" gnus-article-hide-citation
1608 "C" gnus-article-hide-citation-in-followups
1609 "l" gnus-article-hide-list-identifiers
1610 "p" gnus-article-hide-pgp
1611 "B" gnus-article-strip-banner
1612 "P" gnus-article-hide-pem
1613 "\C-c" gnus-article-hide-citation-maybe)
1615 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1616 "a" gnus-article-highlight
1617 "h" gnus-article-highlight-headers
1618 "c" gnus-article-highlight-citation
1619 "s" gnus-article-highlight-signature)
1621 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1622 "w" gnus-article-decode-mime-words
1623 "c" gnus-article-decode-charset
1624 "v" gnus-mime-view-all-parts
1625 "b" gnus-article-view-part)
1627 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1628 "z" gnus-article-date-ut
1629 "u" gnus-article-date-ut
1630 "l" gnus-article-date-local
1631 "e" gnus-article-date-lapsed
1632 "o" gnus-article-date-original
1633 "i" gnus-article-date-iso8601
1634 "s" gnus-article-date-user)
1636 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1637 "t" gnus-article-remove-trailing-blank-lines
1638 "l" gnus-article-strip-leading-blank-lines
1639 "m" gnus-article-strip-multiple-blank-lines
1640 "a" gnus-article-strip-blank-lines
1641 "A" gnus-article-strip-all-blank-lines
1642 "s" gnus-article-strip-leading-space
1643 "e" gnus-article-strip-trailing-space)
1645 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1647 "f" gnus-summary-fetch-faq
1648 "d" gnus-summary-describe-group
1649 "h" gnus-summary-describe-briefly
1650 "i" gnus-info-find-node)
1652 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1653 "e" gnus-summary-expire-articles
1654 "\M-\C-e" gnus-summary-expire-articles-now
1655 "\177" gnus-summary-delete-article
1656 [delete] gnus-summary-delete-article
1657 [backspace] gnus-summary-delete-article
1658 "m" gnus-summary-move-article
1659 "r" gnus-summary-respool-article
1660 "w" gnus-summary-edit-article
1661 "c" gnus-summary-copy-article
1662 "B" gnus-summary-crosspost-article
1663 "q" gnus-summary-respool-query
1664 "t" gnus-summary-respool-trace
1665 "i" gnus-summary-import-article
1666 "p" gnus-summary-article-posted-p)
1668 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1669 "o" gnus-summary-save-article
1670 "m" gnus-summary-save-article-mail
1671 "F" gnus-summary-write-article-file
1672 "r" gnus-summary-save-article-rmail
1673 "f" gnus-summary-save-article-file
1674 "b" gnus-summary-save-article-body-file
1675 "h" gnus-summary-save-article-folder
1676 "v" gnus-summary-save-article-vm
1677 "p" gnus-summary-pipe-output
1678 "s" gnus-soup-add-article)
1680 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1681 "b" gnus-summary-display-buttonized
1682 "m" gnus-summary-repair-multipart
1683 "v" gnus-article-view-part
1684 "o" gnus-article-save-part
1685 "c" gnus-article-copy-part
1686 "C" gnus-article-view-part-as-charset
1687 "e" gnus-article-externalize-part
1688 "E" gnus-article-encrypt-body
1689 "i" gnus-article-inline-part
1690 "|" gnus-article-pipe-part))
1692 (defun gnus-summary-make-menu-bar ()
1693 (gnus-turn-off-edit-menu 'summary)
1695 (unless (boundp 'gnus-summary-misc-menu)
1698 gnus-summary-kill-menu gnus-summary-mode-map ""
1703 ["Enter score..." gnus-summary-score-entry t]
1704 ["Customize" gnus-score-customize t])
1705 (gnus-make-score-map 'increase)
1706 (gnus-make-score-map 'lower)
1708 ["Kill below" gnus-summary-kill-below t]
1709 ["Mark above" gnus-summary-mark-above t]
1710 ["Tick above" gnus-summary-tick-above t]
1711 ["Clear above" gnus-summary-clear-above t])
1712 ["Current score" gnus-summary-current-score t]
1713 ["Set score" gnus-summary-set-score t]
1714 ["Switch current score file..." gnus-score-change-score-file t]
1715 ["Set mark below..." gnus-score-set-mark-below t]
1716 ["Set expunge below..." gnus-score-set-expunge-below t]
1717 ["Edit current score file" gnus-score-edit-current-scores t]
1718 ["Edit score file" gnus-score-edit-file t]
1719 ["Trace score" gnus-score-find-trace t]
1720 ["Find words" gnus-score-find-favourite-words t]
1721 ["Rescore buffer" gnus-summary-rescore t]
1722 ["Increase score..." gnus-summary-increase-score t]
1723 ["Lower score..." gnus-summary-lower-score t]))))
1725 ;; Define both the Article menu in the summary buffer and the equivalent
1726 ;; Commands menu in the article buffer here for consistency.
1729 ["All" gnus-article-hide t]
1730 ["Headers" gnus-article-hide-headers t]
1731 ["Signature" gnus-article-hide-signature t]
1732 ["Citation" gnus-article-hide-citation t]
1733 ["List identifiers" gnus-article-hide-list-identifiers t]
1734 ["PGP" gnus-article-hide-pgp t]
1735 ["Banner" gnus-article-strip-banner t]
1736 ["Boring headers" gnus-article-hide-boring-headers t])
1738 ["All" gnus-article-highlight t]
1739 ["Headers" gnus-article-highlight-headers t]
1740 ["Signature" gnus-article-highlight-signature t]
1741 ["Citation" gnus-article-highlight-citation t])
1743 ["Words" gnus-article-decode-mime-words t]
1744 ["Charset" gnus-article-decode-charset t]
1745 ["QP" gnus-article-de-quoted-unreadable t]
1746 ["Base64" gnus-article-de-base64-unreadable t]
1747 ["View all" gnus-mime-view-all-parts t]
1748 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
1749 ["Encrypt body" gnus-article-encrypt-body t])
1751 ["Local" gnus-article-date-local t]
1752 ["ISO8601" gnus-article-date-iso8601 t]
1753 ["UT" gnus-article-date-ut t]
1754 ["Original" gnus-article-date-original t]
1755 ["Lapsed" gnus-article-date-lapsed t]
1756 ["User-defined" gnus-article-date-user t])
1759 ["Leading" gnus-article-strip-leading-blank-lines t]
1760 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1761 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1762 ["All of the above" gnus-article-strip-blank-lines t]
1763 ["All" gnus-article-strip-all-blank-lines t]
1764 ["Leading space" gnus-article-strip-leading-space t]
1765 ["Trailing space" gnus-article-strip-trailing-space t])
1766 ["Overstrike" gnus-article-treat-overstrike t]
1767 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1768 ["Emphasis" gnus-article-emphasize t]
1769 ["Word wrap" gnus-article-fill-cited-article t]
1770 ["Fill long lines" gnus-article-fill-long-lines t]
1771 ["Capitalize sentences" gnus-article-capitalize-sentences t]
1772 ["CR" gnus-article-remove-cr t]
1773 ["Show X-Face" gnus-article-display-x-face t]
1774 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
1775 ["Base64" gnus-article-de-base64-unreadable t]
1776 ["Rot 13" gnus-summary-caesar-message
1777 ,@(if (featurep 'xemacs) nil
1778 '(:help "\"Caesar rotate\" article by 13"))]
1779 ["Unix pipe" gnus-summary-pipe-message t]
1780 ["Add buttons" gnus-article-add-buttons t]
1781 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1782 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1783 ["Verbose header" gnus-summary-verbose-headers t]
1784 ["Toggle header" gnus-summary-toggle-header t]
1785 ["Html" gnus-article-wash-html t]
1786 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
1787 ["HZ" gnus-article-decode-HZ t])
1789 ["Save in default format" gnus-summary-save-article
1790 ,@(if (featurep 'xemacs) nil
1791 '(:help "Save article using default method"))]
1792 ["Save in file" gnus-summary-save-article-file
1793 ,@(if (featurep 'xemacs) nil
1794 '(:help "Save article in file"))]
1795 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1796 ["Save in MH folder" gnus-summary-save-article-folder t]
1797 ["Save in VM folder" gnus-summary-save-article-vm t]
1798 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1799 ["Save body in file" gnus-summary-save-article-body-file t]
1800 ["Pipe through a filter" gnus-summary-pipe-output t]
1801 ["Add to SOUP packet" gnus-soup-add-article t]
1802 ["Print" gnus-summary-print-article t])
1804 ["Respool article..." gnus-summary-respool-article t]
1805 ["Move article..." gnus-summary-move-article
1806 (gnus-check-backend-function
1807 'request-move-article gnus-newsgroup-name)]
1808 ["Copy article..." gnus-summary-copy-article t]
1809 ["Crosspost article..." gnus-summary-crosspost-article
1810 (gnus-check-backend-function
1811 'request-replace-article gnus-newsgroup-name)]
1812 ["Import file..." gnus-summary-import-article t]
1813 ["Check if posted" gnus-summary-article-posted-p t]
1814 ["Edit article" gnus-summary-edit-article
1815 (not (gnus-group-read-only-p))]
1816 ["Delete article" gnus-summary-delete-article
1817 (gnus-check-backend-function
1818 'request-expire-articles gnus-newsgroup-name)]
1819 ["Query respool" gnus-summary-respool-query t]
1820 ["Trace respool" gnus-summary-respool-trace t]
1821 ["Delete expirable articles" gnus-summary-expire-articles-now
1822 (gnus-check-backend-function
1823 'request-expire-articles gnus-newsgroup-name)])
1825 ["Uudecode" gnus-uu-decode-uu
1826 ,@(if (featurep 'xemacs) nil
1827 '(:help "Decode uuencoded article(s)"))]
1828 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1829 ["Unshar" gnus-uu-decode-unshar t]
1830 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1831 ["Save" gnus-uu-decode-save t]
1832 ["Binhex" gnus-uu-decode-binhex t]
1833 ["Postscript" gnus-uu-decode-postscript t])
1835 ["Enter article" gnus-cache-enter-article t]
1836 ["Remove article" gnus-cache-remove-article t])
1837 ["Translate" gnus-article-babel t]
1838 ["Select article buffer" gnus-summary-select-article-buffer t]
1839 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1840 ["Isearch article..." gnus-summary-isearch-article t]
1841 ["Beginning of the article" gnus-summary-beginning-of-article t]
1842 ["End of the article" gnus-summary-end-of-article t]
1843 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1844 ["Fetch referenced articles" gnus-summary-refer-references t]
1845 ["Fetch current thread" gnus-summary-refer-thread t]
1846 ["Fetch article with id..." gnus-summary-refer-article t]
1847 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
1848 ["Redisplay" gnus-summary-show-article t])))
1850 gnus-summary-article-menu gnus-summary-mode-map ""
1851 (cons "Article" innards))
1854 gnus-article-commands-menu gnus-article-mode-map ""
1855 (cons "Commands" innards)))
1858 gnus-summary-thread-menu gnus-summary-mode-map ""
1860 ["Toggle threading" gnus-summary-toggle-threads t]
1861 ["Hide threads" gnus-summary-hide-all-threads t]
1862 ["Show threads" gnus-summary-show-all-threads t]
1863 ["Hide thread" gnus-summary-hide-thread t]
1864 ["Show thread" gnus-summary-show-thread t]
1865 ["Go to next thread" gnus-summary-next-thread t]
1866 ["Go to previous thread" gnus-summary-prev-thread t]
1867 ["Go down thread" gnus-summary-down-thread t]
1868 ["Go up thread" gnus-summary-up-thread t]
1869 ["Top of thread" gnus-summary-top-thread t]
1870 ["Mark thread as read" gnus-summary-kill-thread t]
1871 ["Lower thread score" gnus-summary-lower-thread t]
1872 ["Raise thread score" gnus-summary-raise-thread t]
1873 ["Rethread current" gnus-summary-rethread-current t]))
1876 gnus-summary-post-menu gnus-summary-mode-map ""
1878 ["Post an article" gnus-summary-post-news
1879 ,@(if (featurep 'xemacs) nil
1880 '(:help "Post an article"))]
1881 ["Followup" gnus-summary-followup
1882 ,@(if (featurep 'xemacs) nil
1883 '(:help "Post followup to this article"))]
1884 ["Followup and yank" gnus-summary-followup-with-original
1885 ,@(if (featurep 'xemacs) nil
1886 '(:help "Post followup to this article, quoting its contents"))]
1887 ["Supersede article" gnus-summary-supersede-article t]
1888 ["Cancel article" gnus-summary-cancel-article
1889 ,@(if (featurep 'xemacs) nil
1890 '(:help "Cancel an article you posted"))]
1891 ["Reply" gnus-summary-reply t]
1892 ["Reply and yank" gnus-summary-reply-with-original t]
1893 ["Wide reply" gnus-summary-wide-reply t]
1894 ["Wide reply and yank" gnus-summary-wide-reply-with-original
1895 ,@(if (featurep 'xemacs) nil
1896 '(:help "Mail a reply, quoting this article"))]
1897 ["Mail forward" gnus-summary-mail-forward t]
1898 ["Post forward" gnus-summary-post-forward t]
1899 ["Digest and mail" gnus-uu-digest-mail-forward t]
1900 ["Digest and post" gnus-uu-digest-post-forward t]
1901 ["Resend message" gnus-summary-resend-message t]
1902 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1903 ["Send a mail" gnus-summary-mail-other-window t]
1904 ["Uuencode and post" gnus-uu-post-news
1905 ,@(if (featurep 'xemacs) nil
1906 '(:help "Post a uuencoded article"))]
1907 ["Followup via news" gnus-summary-followup-to-mail t]
1908 ["Followup via news and yank"
1909 gnus-summary-followup-to-mail-with-original t]
1911 ;;["Send" gnus-summary-send-draft t]
1912 ;;["Send bounced" gnus-resend-bounced-mail t])
1916 gnus-summary-misc-menu gnus-summary-mode-map ""
1919 ["Mark as read" gnus-summary-mark-as-read-forward t]
1920 ["Mark same subject and select"
1921 gnus-summary-kill-same-subject-and-select t]
1922 ["Mark same subject" gnus-summary-kill-same-subject t]
1923 ["Catchup" gnus-summary-catchup
1924 ,@(if (featurep 'xemacs) nil
1925 '(:help "Mark unread articles in this group as read"))]
1926 ["Catchup all" gnus-summary-catchup-all t]
1927 ["Catchup to here" gnus-summary-catchup-to-here t]
1928 ["Catchup region" gnus-summary-mark-region-as-read t]
1929 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1931 ["Tick" gnus-summary-tick-article-forward t]
1932 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1933 ["Remove marks" gnus-summary-clear-mark-forward t]
1934 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1935 ["Set bookmark" gnus-summary-set-bookmark t]
1936 ["Remove bookmark" gnus-summary-remove-bookmark t])
1938 ["Marks..." gnus-summary-limit-to-marks t]
1939 ["Subject..." gnus-summary-limit-to-subject t]
1940 ["Author..." gnus-summary-limit-to-author t]
1941 ["Age..." gnus-summary-limit-to-age t]
1942 ["Extra..." gnus-summary-limit-to-extra t]
1943 ["Score" gnus-summary-limit-to-score t]
1944 ["Unread" gnus-summary-limit-to-unread t]
1945 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1946 ["Articles" gnus-summary-limit-to-articles t]
1947 ["Pop limit" gnus-summary-pop-limit t]
1948 ["Show dormant" gnus-summary-limit-include-dormant t]
1949 ["Hide childless dormant"
1950 gnus-summary-limit-exclude-childless-dormant t]
1951 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1952 ["Hide marked" gnus-summary-limit-exclude-marks t]
1953 ["Show expunged" gnus-summary-show-all-expunged t])
1955 ["Set mark" gnus-summary-mark-as-processable t]
1956 ["Remove mark" gnus-summary-unmark-as-processable t]
1957 ["Remove all marks" gnus-summary-unmark-all-processable t]
1958 ["Mark above" gnus-uu-mark-over t]
1959 ["Mark series" gnus-uu-mark-series t]
1960 ["Mark region" gnus-uu-mark-region t]
1961 ["Unmark region" gnus-uu-unmark-region t]
1962 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1963 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1964 ["Mark all" gnus-uu-mark-all t]
1965 ["Mark buffer" gnus-uu-mark-buffer t]
1966 ["Mark sparse" gnus-uu-mark-sparse t]
1967 ["Mark thread" gnus-uu-mark-thread t]
1968 ["Unmark thread" gnus-uu-unmark-thread t]
1969 ("Process Mark Sets"
1970 ["Kill" gnus-summary-kill-process-mark t]
1971 ["Yank" gnus-summary-yank-process-mark
1972 gnus-newsgroup-process-stack]
1973 ["Save" gnus-summary-save-process-mark t]))
1975 ["Page forward" gnus-summary-next-page
1976 ,@(if (featurep 'xemacs) nil
1977 '(:help "Show next page of article"))]
1978 ["Page backward" gnus-summary-prev-page
1979 ,@(if (featurep 'xemacs) nil
1980 '(:help "Show previous page of article"))]
1981 ["Line forward" gnus-summary-scroll-up t])
1983 ["Next unread article" gnus-summary-next-unread-article t]
1984 ["Previous unread article" gnus-summary-prev-unread-article t]
1985 ["Next article" gnus-summary-next-article t]
1986 ["Previous article" gnus-summary-prev-article t]
1987 ["Next unread subject" gnus-summary-next-unread-subject t]
1988 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1989 ["Next article same subject" gnus-summary-next-same-subject t]
1990 ["Previous article same subject" gnus-summary-prev-same-subject t]
1991 ["First unread article" gnus-summary-first-unread-article t]
1992 ["Best unread article" gnus-summary-best-unread-article t]
1993 ["Go to subject number..." gnus-summary-goto-subject t]
1994 ["Go to article number..." gnus-summary-goto-article t]
1995 ["Go to the last article" gnus-summary-goto-last-article t]
1996 ["Pop article off history" gnus-summary-pop-article t])
1998 ["Sort by number" gnus-summary-sort-by-number t]
1999 ["Sort by author" gnus-summary-sort-by-author t]
2000 ["Sort by subject" gnus-summary-sort-by-subject t]
2001 ["Sort by date" gnus-summary-sort-by-date t]
2002 ["Sort by score" gnus-summary-sort-by-score t]
2003 ["Sort by lines" gnus-summary-sort-by-lines t]
2004 ["Sort by characters" gnus-summary-sort-by-chars t])
2006 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2007 ["Describe group" gnus-summary-describe-group t]
2008 ["Read manual" gnus-info-find-node t])
2010 ["Pick and read" gnus-pick-mode t]
2011 ["Binary" gnus-binary-mode t])
2013 ["Regenerate" gnus-summary-prepare t]
2014 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2015 ["Toggle threading" gnus-summary-toggle-threads t])
2016 ["Filter articles..." gnus-summary-execute-command t]
2017 ["Run command on subjects..." gnus-summary-universal-argument t]
2018 ["Search articles forward..." gnus-summary-search-article-forward t]
2019 ["Search articles backward..." gnus-summary-search-article-backward t]
2020 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2021 ["Expand window" gnus-summary-expand-window t]
2022 ["Expire expirable articles" gnus-summary-expire-articles
2023 (gnus-check-backend-function
2024 'request-expire-articles gnus-newsgroup-name)]
2025 ["Edit local kill file" gnus-summary-edit-local-kill t]
2026 ["Edit main kill file" gnus-summary-edit-global-kill t]
2027 ["Edit group parameters" gnus-summary-edit-parameters t]
2028 ["Customize group parameters" gnus-summary-customize-parameters t]
2029 ["Send a bug report" gnus-bug t]
2031 ["Catchup and exit" gnus-summary-catchup-and-exit
2032 ,@(if (featurep 'xemacs) nil
2033 '(:help "Mark unread articles in this group as read, then exit"))]
2034 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2035 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2036 ["Exit group" gnus-summary-exit
2037 ,@(if (featurep 'xemacs) nil
2038 '(:help "Exit current group, return to group selection mode"))]
2039 ["Exit group without updating" gnus-summary-exit-no-update t]
2040 ["Exit and goto next group" gnus-summary-next-group t]
2041 ["Exit and goto prev group" gnus-summary-prev-group t]
2042 ["Reselect group" gnus-summary-reselect-current-group t]
2043 ["Rescan group" gnus-summary-rescan-group t]
2044 ["Update dribble" gnus-summary-save-newsrc t])))
2046 (gnus-run-hooks 'gnus-summary-menu-hook)))
2048 (defvar gnus-summary-tool-bar-map nil)
2050 ;; Emacs 21 tool bar. Should be no-op otherwise.
2051 (defun gnus-summary-make-tool-bar ()
2052 (if (and (fboundp 'tool-bar-add-item-from-menu)
2053 (default-value 'tool-bar-mode)
2054 (not gnus-summary-tool-bar-map))
2055 (setq gnus-summary-tool-bar-map
2056 (let ((tool-bar-map (make-sparse-keymap))
2057 (load-path (mm-image-load-path)))
2058 (tool-bar-add-item-from-menu
2059 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2060 (tool-bar-add-item-from-menu
2061 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2062 (tool-bar-add-item-from-menu
2063 'gnus-summary-post-news "post" gnus-summary-mode-map)
2064 (tool-bar-add-item-from-menu
2065 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2066 (tool-bar-add-item-from-menu
2067 'gnus-summary-followup "followup" gnus-summary-mode-map)
2068 (tool-bar-add-item-from-menu
2069 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2070 (tool-bar-add-item-from-menu
2071 'gnus-summary-reply "reply" gnus-summary-mode-map)
2072 (tool-bar-add-item-from-menu
2073 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2074 (tool-bar-add-item-from-menu
2075 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2076 (tool-bar-add-item-from-menu
2077 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2078 (tool-bar-add-item-from-menu
2079 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2080 (tool-bar-add-item-from-menu
2081 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2082 (tool-bar-add-item-from-menu
2083 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2084 (tool-bar-add-item-from-menu
2085 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2086 (tool-bar-add-item-from-menu
2087 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2089 (if gnus-summary-tool-bar-map
2090 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2092 (defun gnus-score-set-default (var value)
2093 "A version of set that updates the GNU Emacs menu-bar."
2095 ;; It is the message that forces the active status to be updated.
2098 (defun gnus-make-score-map (type)
2099 "Make a summary score map of type TYPE."
2102 (let ((headers '(("author" "from" string)
2103 ("subject" "subject" string)
2104 ("article body" "body" string)
2105 ("article head" "head" string)
2106 ("xref" "xref" string)
2107 ("extra header" "extra" string)
2108 ("lines" "lines" number)
2109 ("followups to author" "followup" string)))
2110 (types '((number ("less than" <)
2113 (string ("substring" s)
2117 (perms '(("temporary" (current-time-string))
2125 (if (eq type 'lower)
2130 (setq header (car headers))
2136 (let ((ts (cdr (assoc (nth 2 header) types)))
2152 'gnus-summary-score-entry
2154 (if (or (string= (nth 1 header)
2156 (string= (nth 1 header)
2159 (list 'gnus-summary-header
2161 (list 'quote (nth 1 (car ts)))
2162 (list 'gnus-score-delta-default
2169 (list (nreverse outp))))
2172 (list (nreverse outt))))
2174 (setq headers (cdr headers)))
2175 (list (nreverse outh))))))))
2179 (defun gnus-summary-mode (&optional group)
2180 "Major mode for reading articles.
2182 All normal editing commands are switched off.
2183 \\<gnus-summary-mode-map>
2184 Each line in this buffer represents one article. To read an
2185 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2186 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2189 You can also post articles and send mail from this buffer. To
2190 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2191 of an article, type `\\[gnus-summary-reply]'.
2193 There are approx. one gazillion commands you can execute in this
2194 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2196 The following commands are available:
2198 \\{gnus-summary-mode-map}"
2200 (kill-all-local-variables)
2201 (when (gnus-visual-p 'summary-menu 'menu)
2202 (gnus-summary-make-menu-bar)
2203 (gnus-summary-make-tool-bar))
2204 (gnus-summary-make-local-variables)
2205 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2206 (gnus-summary-make-local-variables))
2207 (gnus-make-thread-indent-array)
2208 (gnus-simplify-mode-line)
2209 (setq major-mode 'gnus-summary-mode)
2210 (setq mode-name "Summary")
2211 (make-local-variable 'minor-mode-alist)
2212 (use-local-map gnus-summary-mode-map)
2213 (buffer-disable-undo)
2214 (setq buffer-read-only t) ;Disable modification
2215 (setq truncate-lines t)
2216 (setq selective-display t)
2217 (setq selective-display-ellipses t) ;Display `...'
2218 (gnus-summary-set-display-table)
2219 (gnus-set-default-directory)
2220 (setq gnus-newsgroup-name group)
2221 (make-local-variable 'gnus-summary-line-format)
2222 (make-local-variable 'gnus-summary-line-format-spec)
2223 (make-local-variable 'gnus-summary-dummy-line-format)
2224 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2225 (make-local-variable 'gnus-summary-mark-positions)
2226 (make-local-hook 'pre-command-hook)
2227 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2228 (gnus-run-hooks 'gnus-summary-mode-hook)
2229 (turn-on-gnus-mailing-list-mode)
2230 (mm-enable-multibyte-mule4)
2231 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2232 (gnus-update-summary-mark-positions))
2234 (defun gnus-summary-make-local-variables ()
2235 "Make all the local summary buffer variables."
2237 (dolist (local gnus-summary-local-variables)
2240 (if (eq (cdr local) 'global)
2241 ;; Copy the global value of the variable.
2242 (setq global (symbol-value (car local)))
2243 ;; Use the value from the list.
2244 (setq global (eval (cdr local))))
2245 (set (make-local-variable (car local)) global))
2246 ;; Simple nil-valued local variable.
2247 (set (make-local-variable local) nil)))))
2249 (defun gnus-summary-clear-local-variables ()
2250 (let ((locals gnus-summary-local-variables))
2252 (if (consp (car locals))
2253 (and (vectorp (caar locals))
2254 (set (caar locals) nil))
2255 (and (vectorp (car locals))
2256 (set (car locals) nil)))
2257 (setq locals (cdr locals)))))
2259 ;; Summary data functions.
2261 (defmacro gnus-data-number (data)
2264 (defmacro gnus-data-set-number (data number)
2265 `(setcar ,data ,number))
2267 (defmacro gnus-data-mark (data)
2270 (defmacro gnus-data-set-mark (data mark)
2271 `(setcar (nthcdr 1 ,data) ,mark))
2273 (defmacro gnus-data-pos (data)
2276 (defmacro gnus-data-set-pos (data pos)
2277 `(setcar (nthcdr 2 ,data) ,pos))
2279 (defmacro gnus-data-header (data)
2282 (defmacro gnus-data-set-header (data header)
2283 `(setf (nth 3 ,data) ,header))
2285 (defmacro gnus-data-level (data)
2288 (defmacro gnus-data-unread-p (data)
2289 `(= (nth 1 ,data) gnus-unread-mark))
2291 (defmacro gnus-data-read-p (data)
2292 `(/= (nth 1 ,data) gnus-unread-mark))
2294 (defmacro gnus-data-pseudo-p (data)
2295 `(consp (nth 3 ,data)))
2297 (defmacro gnus-data-find (number)
2298 `(assq ,number gnus-newsgroup-data))
2300 (defmacro gnus-data-find-list (number &optional data)
2301 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2302 (memq (assq ,number bdata)
2305 (defmacro gnus-data-make (number mark pos header level)
2306 `(list ,number ,mark ,pos ,header ,level))
2308 (defun gnus-data-enter (after-article number mark pos header level offset)
2309 (let ((data (gnus-data-find-list after-article)))
2311 (error "No such article: %d" after-article))
2312 (setcdr data (cons (gnus-data-make number mark pos header level)
2314 (setq gnus-newsgroup-data-reverse nil)
2315 (gnus-data-update-list (cddr data) offset)))
2317 (defun gnus-data-enter-list (after-article list &optional offset)
2319 (let ((data (and after-article (gnus-data-find-list after-article)))
2323 (let ((odata gnus-newsgroup-data))
2324 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2326 (gnus-data-update-list odata offset)))
2327 ;; Find the last element in the list to be spliced into the main
2330 (setq list (cdr list)))
2333 (setcdr list gnus-newsgroup-data)
2334 (setq gnus-newsgroup-data ilist)
2336 (gnus-data-update-list (cdr list) offset)))
2337 (setcdr list (cdr data))
2340 (gnus-data-update-list (cdr list) offset))))
2341 (setq gnus-newsgroup-data-reverse nil))))
2343 (defun gnus-data-remove (article &optional offset)
2344 (let ((data gnus-newsgroup-data))
2345 (if (= (gnus-data-number (car data)) article)
2347 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2348 gnus-newsgroup-data-reverse nil)
2350 (gnus-data-update-list gnus-newsgroup-data offset)))
2352 (when (= (gnus-data-number (cadr data)) article)
2353 (setcdr data (cddr data))
2355 (gnus-data-update-list (cdr data) offset))
2357 gnus-newsgroup-data-reverse nil))
2358 (setq data (cdr data))))))
2360 (defmacro gnus-data-list (backward)
2362 (or gnus-newsgroup-data-reverse
2363 (setq gnus-newsgroup-data-reverse
2364 (reverse gnus-newsgroup-data)))
2365 gnus-newsgroup-data))
2367 (defun gnus-data-update-list (data offset)
2368 "Add OFFSET to the POS of all data entries in DATA."
2369 (setq gnus-newsgroup-data-reverse nil)
2371 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2372 (setq data (cdr data))))
2374 (defun gnus-summary-article-pseudo-p (article)
2375 "Say whether this article is a pseudo article or not."
2376 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2378 (defmacro gnus-summary-article-sparse-p (article)
2379 "Say whether this article is a sparse article or not."
2380 `(memq ,article gnus-newsgroup-sparse))
2382 (defmacro gnus-summary-article-ancient-p (article)
2383 "Say whether this article is a sparse article or not."
2384 `(memq ,article gnus-newsgroup-ancient))
2386 (defun gnus-article-parent-p (number)
2387 "Say whether this article is a parent or not."
2388 (let ((data (gnus-data-find-list number)))
2389 (and (cdr data) ; There has to be an article after...
2390 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2391 (gnus-data-level (nth 1 data))))))
2393 (defun gnus-article-children (number)
2394 "Return a list of all children to NUMBER."
2395 (let* ((data (gnus-data-find-list number))
2396 (level (gnus-data-level (car data)))
2398 (setq data (cdr data))
2400 (= (gnus-data-level (car data)) (1+ level)))
2401 (push (gnus-data-number (car data)) children)
2402 (setq data (cdr data)))
2405 (defmacro gnus-summary-skip-intangible ()
2406 "If the current article is intangible, then jump to a different article."
2407 '(let ((to (get-text-property (point) 'gnus-intangible)))
2408 (and to (gnus-summary-goto-subject to))))
2410 (defmacro gnus-summary-article-intangible-p ()
2411 "Say whether this article is intangible or not."
2412 '(get-text-property (point) 'gnus-intangible))
2414 (defun gnus-article-read-p (article)
2415 "Say whether ARTICLE is read or not."
2416 (not (or (memq article gnus-newsgroup-marked)
2417 (memq article gnus-newsgroup-unreads)
2418 (memq article gnus-newsgroup-unselected)
2419 (memq article gnus-newsgroup-dormant))))
2421 ;; Some summary mode macros.
2423 (defmacro gnus-summary-article-number ()
2424 "The article number of the article on the current line.
2425 If there isn's an article number here, then we return the current
2428 (gnus-summary-skip-intangible)
2429 (or (get-text-property (point) 'gnus-number)
2430 (gnus-summary-last-subject))))
2432 (defmacro gnus-summary-article-header (&optional number)
2433 "Return the header of article NUMBER."
2434 `(gnus-data-header (gnus-data-find
2435 ,(or number '(gnus-summary-article-number)))))
2437 (defmacro gnus-summary-thread-level (&optional number)
2438 "Return the level of thread that starts with article NUMBER."
2439 `(if (and (eq gnus-summary-make-false-root 'dummy)
2440 (get-text-property (point) 'gnus-intangible))
2442 (gnus-data-level (gnus-data-find
2443 ,(or number '(gnus-summary-article-number))))))
2445 (defmacro gnus-summary-article-mark (&optional number)
2446 "Return the mark of article NUMBER."
2447 `(gnus-data-mark (gnus-data-find
2448 ,(or number '(gnus-summary-article-number)))))
2450 (defmacro gnus-summary-article-pos (&optional number)
2451 "Return the position of the line of article NUMBER."
2452 `(gnus-data-pos (gnus-data-find
2453 ,(or number '(gnus-summary-article-number)))))
2455 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2456 (defmacro gnus-summary-article-subject (&optional number)
2457 "Return current subject string or nil if nothing."
2460 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2461 '(gnus-data-header (assq (gnus-summary-article-number)
2462 gnus-newsgroup-data)))))
2465 (mail-header-subject headers))))
2467 (defmacro gnus-summary-article-score (&optional number)
2468 "Return current article score."
2469 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2470 gnus-newsgroup-scored))
2471 gnus-summary-default-score 0))
2473 (defun gnus-summary-article-children (&optional number)
2474 "Return a list of article numbers that are children of article NUMBER."
2475 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2476 (level (gnus-data-level (car data)))
2478 (while (and (setq data (cdr data))
2479 (> (setq l (gnus-data-level (car data))) level))
2480 (and (= (1+ level) l)
2481 (push (gnus-data-number (car data))
2483 (nreverse children)))
2485 (defun gnus-summary-article-parent (&optional number)
2486 "Return the article number of the parent of article NUMBER."
2487 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2488 (gnus-data-list t)))
2489 (level (gnus-data-level (car data))))
2491 () ; This is a root.
2492 ;; We search until we find an article with a level less than
2493 ;; this one. That function has to be the parent.
2494 (while (and (setq data (cdr data))
2495 (not (< (gnus-data-level (car data)) level))))
2496 (and data (gnus-data-number (car data))))))
2498 (defun gnus-unread-mark-p (mark)
2499 "Say whether MARK is the unread mark."
2500 (= mark gnus-unread-mark))
2502 (defun gnus-read-mark-p (mark)
2503 "Say whether MARK is one of the marks that mark as read.
2504 This is all marks except unread, ticked, dormant, and expirable."
2505 (not (or (= mark gnus-unread-mark)
2506 (= mark gnus-ticked-mark)
2507 (= mark gnus-dormant-mark)
2508 (= mark gnus-expirable-mark))))
2510 (defmacro gnus-article-mark (number)
2511 "Return the MARK of article NUMBER.
2512 This macro should only be used when computing the mark the \"first\"
2513 time; i.e., when generating the summary lines. After that,
2514 `gnus-summary-article-mark' should be used to examine the
2517 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2518 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2519 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2520 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2521 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2522 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2523 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2524 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2525 gnus-ancient-mark))))
2527 ;; Saving hidden threads.
2529 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2530 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2532 (defmacro gnus-save-hidden-threads (&rest forms)
2533 "Save hidden threads, eval FORMS, and restore the hidden threads."
2534 (let ((config (make-symbol "config")))
2535 `(let ((,config (gnus-hidden-threads-configuration)))
2539 (gnus-restore-hidden-threads-configuration ,config)))))
2541 (defun gnus-data-compute-positions ()
2542 "Compute the positions of all articles."
2543 (setq gnus-newsgroup-data-reverse nil)
2544 (let ((data gnus-newsgroup-data))
2546 (gnus-save-hidden-threads
2547 (gnus-summary-show-all-threads)
2548 (goto-char (point-min))
2550 (while (get-text-property (point) 'gnus-intangible)
2552 (gnus-data-set-pos (car data) (+ (point) 3))
2553 (setq data (cdr data))
2554 (forward-line 1))))))
2556 (defun gnus-hidden-threads-configuration ()
2557 "Return the current hidden threads configuration."
2560 (goto-char (point-min))
2561 (while (search-forward "\r" nil t)
2562 (push (1- (point)) config))
2565 (defun gnus-restore-hidden-threads-configuration (config)
2566 "Restore hidden threads configuration from CONFIG."
2568 (let (point buffer-read-only)
2569 (while (setq point (pop config))
2570 (when (and (< point (point-max))
2572 (eq (char-after) ?\n))
2573 (subst-char-in-region point (1+ point) ?\n ?\r))))))
2575 ;; Various summary mode internalish functions.
2577 (defun gnus-mouse-pick-article (e)
2580 (gnus-summary-next-page nil t))
2582 (defun gnus-summary-set-display-table ()
2583 "Change the display table.
2584 Odd characters have a tendency to mess
2585 up nicely formatted displays - we make all possible glyphs
2586 display only a single character."
2588 ;; We start from the standard display table, if any.
2589 (let ((table (or (copy-sequence standard-display-table)
2590 (make-display-table)))
2592 ;; Nix out all the control chars...
2593 (while (>= (setq i (1- i)) 0)
2594 (aset table i [??]))
2595 ;; ... but not newline and cr, of course. (cr is necessary for the
2596 ;; selective display).
2597 (aset table ?\n nil)
2598 (aset table ?\r nil)
2599 ;; We keep TAB as well.
2600 (aset table ?\t nil)
2601 ;; We nix out any glyphs over 126 that are not set already.
2603 (while (>= (setq i (1- i)) 127)
2604 ;; Only modify if the entry is nil.
2605 (unless (aref table i)
2606 (aset table i [??]))))
2607 (setq buffer-display-table table)))
2609 (defun gnus-summary-setup-buffer (group)
2610 "Initialize summary buffer."
2611 (let ((buffer (concat "*Summary " group "*")))
2612 (if (get-buffer buffer)
2615 (setq gnus-summary-buffer (current-buffer))
2616 (not gnus-newsgroup-prepared))
2617 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2618 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2619 (gnus-summary-mode group)
2621 (gnus-carpal-setup-buffer 'summary))
2622 (unless gnus-single-article-buffer
2623 (make-local-variable 'gnus-article-buffer)
2624 (make-local-variable 'gnus-article-current)
2625 (make-local-variable 'gnus-original-article-buffer))
2626 (setq gnus-newsgroup-name group)
2629 (defun gnus-set-global-variables ()
2630 "Set the global equivalents of the buffer-local variables.
2631 They are set to the latest values they had. These reflect the summary
2632 buffer that was in action when the last article was fetched."
2633 (when (eq major-mode 'gnus-summary-mode)
2634 (setq gnus-summary-buffer (current-buffer))
2635 (let ((name gnus-newsgroup-name)
2636 (marked gnus-newsgroup-marked)
2637 (unread gnus-newsgroup-unreads)
2638 (headers gnus-current-headers)
2639 (data gnus-newsgroup-data)
2640 (summary gnus-summary-buffer)
2641 (article-buffer gnus-article-buffer)
2642 (original gnus-original-article-buffer)
2643 (gac gnus-article-current)
2644 (reffed gnus-reffed-article-number)
2645 (score-file gnus-current-score-file)
2646 (default-charset gnus-newsgroup-charset)
2648 (let ((locals gnus-newsgroup-variables))
2650 (if (consp (car locals))
2651 (push (eval (caar locals)) vlist)
2652 (push (eval (car locals)) vlist))
2653 (setq locals (cdr locals)))
2654 (setq vlist (nreverse vlist)))
2656 (set-buffer gnus-group-buffer)
2657 (setq gnus-newsgroup-name name
2658 gnus-newsgroup-marked marked
2659 gnus-newsgroup-unreads unread
2660 gnus-current-headers headers
2661 gnus-newsgroup-data data
2662 gnus-article-current gac
2663 gnus-summary-buffer summary
2664 gnus-article-buffer article-buffer
2665 gnus-original-article-buffer original
2666 gnus-reffed-article-number reffed
2667 gnus-current-score-file score-file
2668 gnus-newsgroup-charset default-charset)
2669 (let ((locals gnus-newsgroup-variables))
2671 (if (consp (car locals))
2672 (set (caar locals) (pop vlist))
2673 (set (car locals) (pop vlist)))
2674 (setq locals (cdr locals))))
2675 ;; The article buffer also has local variables.
2676 (when (gnus-buffer-live-p gnus-article-buffer)
2677 (set-buffer gnus-article-buffer)
2678 (setq gnus-summary-buffer summary))))))
2680 (defun gnus-summary-article-unread-p (article)
2681 "Say whether ARTICLE is unread or not."
2682 (memq article gnus-newsgroup-unreads))
2684 (defun gnus-summary-first-article-p (&optional article)
2685 "Return whether ARTICLE is the first article in the buffer."
2686 (if (not (setq article (or article (gnus-summary-article-number))))
2688 (eq article (caar gnus-newsgroup-data))))
2690 (defun gnus-summary-last-article-p (&optional article)
2691 "Return whether ARTICLE is the last article in the buffer."
2692 (if (not (setq article (or article (gnus-summary-article-number))))
2693 ;; All non-existent numbers are the last article. :-)
2695 (not (cdr (gnus-data-find-list article)))))
2697 (defun gnus-make-thread-indent-array ()
2699 (unless (and gnus-thread-indent-array
2700 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2701 (setq gnus-thread-indent-array (make-vector 201 "")
2702 gnus-thread-indent-array-level gnus-thread-indent-level)
2704 (aset gnus-thread-indent-array n
2705 (make-string (* n gnus-thread-indent-level) ? ))
2708 (defun gnus-update-summary-mark-positions ()
2709 "Compute where the summary marks are to go."
2711 (when (gnus-buffer-exists-p gnus-summary-buffer)
2712 (set-buffer gnus-summary-buffer))
2713 (let ((gnus-replied-mark 129)
2714 (gnus-score-below-mark 130)
2715 (gnus-score-over-mark 130)
2716 (gnus-download-mark 131)
2717 (spec gnus-summary-line-format-spec)
2720 (gnus-set-work-buffer)
2721 (let ((gnus-summary-line-format-spec spec)
2722 (gnus-newsgroup-downloadable '((0 . t))))
2723 (gnus-summary-insert-line
2724 [0 "" "" "" "" "" 0 0 "" nil] 0 nil 128 t nil "" nil 1)
2725 (goto-char (point-min))
2726 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2728 (goto-char (point-min))
2729 (push (cons 'replied (and (search-forward "\201" nil t)
2732 (goto-char (point-min))
2733 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2735 (goto-char (point-min))
2736 (push (cons 'download
2737 (and (search-forward "\203" nil t) (- (point) 2)))
2739 (setq gnus-summary-mark-positions pos))))
2741 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2742 "Insert a dummy root in the summary buffer."
2744 (gnus-add-text-properties
2745 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2746 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2748 (defun gnus-summary-from-or-to-or-newsgroups (header)
2749 (let ((to (cdr (assq 'To (mail-header-extra header))))
2750 (newsgroups (cdr (assq 'Newsgroups (mail-header-extra header))))
2751 (mail-parse-charset gnus-newsgroup-charset)
2752 (mail-parse-ignored-charsets
2753 (save-excursion (set-buffer gnus-summary-buffer)
2754 gnus-newsgroup-ignored-charsets)))
2757 gnus-ignored-from-addresses
2758 (string-match gnus-ignored-from-addresses
2759 (mail-header-from header)))
2761 (or (car (funcall gnus-extract-address-components
2763 gnus-decode-encoded-word-function to)))
2764 (funcall gnus-decode-encoded-word-function to))))
2766 gnus-ignored-from-addresses
2767 (string-match gnus-ignored-from-addresses
2768 (mail-header-from header)))
2769 (concat "=> " newsgroups))
2771 (or (car (funcall gnus-extract-address-components
2772 (mail-header-from header)))
2773 (mail-header-from header))))))
2775 (defun gnus-summary-insert-line (gnus-tmp-header
2776 gnus-tmp-level gnus-tmp-current
2777 gnus-tmp-unread gnus-tmp-replied
2778 gnus-tmp-expirable gnus-tmp-subject-or-nil
2779 &optional gnus-tmp-dummy gnus-tmp-score
2781 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2782 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2783 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2784 (gnus-tmp-score-char
2785 (if (or (null gnus-summary-default-score)
2786 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2787 gnus-summary-zcore-fuzz))
2789 (if (< gnus-tmp-score gnus-summary-default-score)
2790 gnus-score-below-mark gnus-score-over-mark)))
2792 (cond (gnus-tmp-process gnus-process-mark)
2793 ((memq gnus-tmp-current gnus-newsgroup-cached)
2795 (gnus-tmp-replied gnus-replied-mark)
2796 ((memq gnus-tmp-current gnus-newsgroup-saved)
2798 (t gnus-unread-mark)))
2799 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2802 ((string-match "<[^>]+> *$" gnus-tmp-from)
2803 (let ((beg (match-beginning 0)))
2804 (or (and (string-match "^\".+\"" gnus-tmp-from)
2805 (substring gnus-tmp-from 1 (1- (match-end 0))))
2806 (substring gnus-tmp-from 0 beg))))
2807 ((string-match "(.+)" gnus-tmp-from)
2808 (substring gnus-tmp-from
2809 (1+ (match-beginning 0)) (1- (match-end 0))))
2811 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2812 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2813 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2814 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2815 (buffer-read-only nil))
2816 (when (string= gnus-tmp-name "")
2817 (setq gnus-tmp-name gnus-tmp-from))
2818 (unless (numberp gnus-tmp-lines)
2819 (setq gnus-tmp-lines 0))
2820 (gnus-put-text-property
2822 (progn (eval gnus-summary-line-format-spec) (point))
2823 'gnus-number gnus-tmp-number)
2824 (when (gnus-visual-p 'summary-highlight 'highlight)
2826 (gnus-run-hooks 'gnus-summary-update-hook)
2829 (defun gnus-summary-update-line (&optional dont-update)
2830 "Update summary line after change."
2831 (when (and gnus-summary-default-score
2832 (not gnus-summary-inhibit-highlight))
2833 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2834 (article (gnus-summary-article-number))
2835 (score (gnus-summary-article-score article)))
2837 (if (and gnus-summary-mark-below
2838 (< (gnus-summary-article-score)
2839 gnus-summary-mark-below))
2840 ;; This article has a low score, so we mark it as read.
2841 (when (memq article gnus-newsgroup-unreads)
2842 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2843 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2844 ;; This article was previously marked as read on account
2845 ;; of a low score, but now it has risen, so we mark it as
2847 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2848 (gnus-summary-update-mark
2849 (if (or (null gnus-summary-default-score)
2850 (<= (abs (- score gnus-summary-default-score))
2851 gnus-summary-zcore-fuzz))
2853 (if (< score gnus-summary-default-score)
2854 gnus-score-below-mark gnus-score-over-mark))
2856 ;; Do visual highlighting.
2857 (when (gnus-visual-p 'summary-highlight 'highlight)
2858 (gnus-run-hooks 'gnus-summary-update-hook)))))
2860 (defvar gnus-tmp-new-adopts nil)
2862 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2863 "Return the number of articles in THREAD.
2864 This may be 0 in some cases -- if none of the articles in
2865 the thread are to be displayed."
2867 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2869 ((not (listp thread))
2871 ((and (consp thread) (cdr thread))
2874 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2877 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2880 (when (and level (zerop level) gnus-tmp-new-adopts)
2883 'gnus-summary-number-of-articles-in-thread
2884 gnus-tmp-new-adopts))))
2886 (if (> number 1) gnus-not-empty-thread-mark
2887 gnus-empty-thread-mark)
2890 (defun gnus-summary-set-local-parameters (group)
2891 "Go through the local params of GROUP and set all variable specs in that list."
2892 (let ((params (gnus-group-find-parameter group))
2895 (setq elem (car params)
2896 params (cdr params))
2897 (and (consp elem) ; Has to be a cons.
2898 (consp (cdr elem)) ; The cdr has to be a list.
2899 (symbolp (car elem)) ; Has to be a symbol in there.
2900 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2901 (ignore-errors ; So we set it.
2902 (make-local-variable (car elem))
2903 (set (car elem) (eval (nth 1 elem))))))))
2905 (defun gnus-summary-read-group (group &optional show-all no-article
2906 kill-buffer no-display backward
2908 "Start reading news in newsgroup GROUP.
2909 If SHOW-ALL is non-nil, already read articles are also listed.
2910 If NO-ARTICLE is non-nil, no article is selected initially.
2911 If NO-DISPLAY, don't generate a summary buffer."
2915 (let ((gnus-auto-select-next nil))
2916 (or (gnus-summary-read-group-1
2917 group show-all no-article
2918 kill-buffer no-display
2921 select-articles nil)))))
2922 (eq gnus-auto-select-next 'quietly))
2923 (set-buffer gnus-group-buffer)
2924 ;; The entry function called above goes to the next
2925 ;; group automatically, so we go two groups back
2926 ;; if we are searching for the previous group.
2928 (gnus-group-prev-unread-group 2))
2929 (if (not (equal group (gnus-group-group-name)))
2930 (setq group (gnus-group-group-name))
2934 (defun gnus-summary-read-group-1 (group show-all no-article
2935 kill-buffer no-display
2936 &optional select-articles)
2937 ;; Killed foreign groups can't be entered.
2938 (when (and (not (gnus-group-native-p group))
2939 (not (gnus-gethash group gnus-newsrc-hashtb)))
2940 (error "Dead non-native groups can't be entered"))
2941 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2942 (let* ((new-group (gnus-summary-setup-buffer group))
2943 (quit-config (gnus-group-quit-config group))
2944 (did-select (and new-group (gnus-select-newsgroup
2945 group show-all select-articles))))
2947 ;; This summary buffer exists already, so we just select it.
2949 (gnus-set-global-variables)
2951 (gnus-kill-or-deaden-summary kill-buffer))
2952 (gnus-configure-windows 'summary 'force)
2953 (gnus-set-mode-line 'summary)
2954 (gnus-summary-position-point)
2957 ;; We couldn't select this group.
2959 (when (and (eq major-mode 'gnus-summary-mode)
2960 (not (equal (current-buffer) kill-buffer)))
2961 (kill-buffer (current-buffer))
2962 (if (not quit-config)
2964 ;; Update the info -- marks might need to be removed,
2966 (gnus-summary-update-info)
2967 (set-buffer gnus-group-buffer)
2968 (gnus-group-jump-to-group group)
2969 (gnus-group-next-unread-group 1))
2970 (gnus-handle-ephemeral-exit quit-config)))
2971 (gnus-message 3 "Can't select group")
2973 ;; The user did a `C-g' while prompting for number of articles,
2974 ;; so we exit this group.
2975 ((eq did-select 'quit)
2976 (and (eq major-mode 'gnus-summary-mode)
2977 (not (equal (current-buffer) kill-buffer))
2978 (kill-buffer (current-buffer)))
2980 (gnus-kill-or-deaden-summary kill-buffer))
2981 (if (not quit-config)
2983 (set-buffer gnus-group-buffer)
2984 (gnus-group-jump-to-group group)
2985 (gnus-group-next-unread-group 1)
2986 (gnus-configure-windows 'group 'force))
2987 (gnus-handle-ephemeral-exit quit-config))
2988 ;; Finally signal the quit.
2990 ;; The group was successfully selected.
2992 (gnus-set-global-variables)
2993 ;; Save the active value in effect when the group was entered.
2994 (setq gnus-newsgroup-active
2996 (gnus-active gnus-newsgroup-name)))
2997 ;; You can change the summary buffer in some way with this hook.
2998 (gnus-run-hooks 'gnus-select-group-hook)
2999 ;; Set any local variables in the group parameters.
3000 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3001 (gnus-update-format-specifications
3002 nil 'summary 'summary-mode 'summary-dummy)
3003 (gnus-update-summary-mark-positions)
3004 ;; Do score processing.
3005 (when gnus-use-scoring
3006 (gnus-possibly-score-headers))
3007 ;; Check whether to fill in the gaps in the threads.
3008 (when gnus-build-sparse-threads
3009 (gnus-build-sparse-threads))
3010 ;; Find the initial limit.
3011 (if gnus-show-threads
3013 (let ((gnus-newsgroup-dormant nil))
3014 (gnus-summary-initial-limit show-all))
3015 (gnus-summary-initial-limit show-all))
3016 ;; When untreaded, all articles are always shown.
3017 (setq gnus-newsgroup-limit
3019 (lambda (header) (mail-header-number header))
3020 gnus-newsgroup-headers)))
3021 ;; Generate the summary buffer.
3023 (gnus-summary-prepare))
3024 (when gnus-use-trees
3025 (gnus-tree-open group)
3026 (setq gnus-summary-highlight-line-function
3027 'gnus-tree-highlight-article))
3028 ;; If the summary buffer is empty, but there are some low-scored
3029 ;; articles or some excluded dormants, we include these in the
3031 (when (and (zerop (buffer-size))
3033 (cond (gnus-newsgroup-dormant
3034 (gnus-summary-limit-include-dormant))
3035 ((and gnus-newsgroup-scored show-all)
3036 (gnus-summary-limit-include-expunged t))))
3037 ;; Function `gnus-apply-kill-file' must be called in this hook.
3038 (gnus-run-hooks 'gnus-apply-kill-hook)
3039 (if (and (zerop (buffer-size))
3042 ;; This newsgroup is empty.
3043 (gnus-summary-catchup-and-exit nil t)
3044 (gnus-message 6 "No unread news")
3046 (gnus-kill-or-deaden-summary kill-buffer))
3047 ;; Return nil from this function.
3049 ;; Hide conversation thread subtrees. We cannot do this in
3050 ;; gnus-summary-prepare-hook since kill processing may not
3051 ;; work with hidden articles.
3052 (and gnus-show-threads
3053 gnus-thread-hide-subtree
3054 (gnus-summary-hide-all-threads))
3056 (gnus-kill-or-deaden-summary kill-buffer))
3057 ;; Show first unread article if requested.
3058 (if (and (not no-article)
3060 gnus-newsgroup-unreads
3061 gnus-auto-select-first)
3063 (gnus-configure-windows 'summary)
3065 ((eq gnus-auto-select-first 'best)
3066 (gnus-summary-best-unread-article))
3067 ((eq gnus-auto-select-first t)
3068 (gnus-summary-first-unread-article))
3069 ((gnus-functionp gnus-auto-select-first)
3070 (funcall gnus-auto-select-first))))
3071 ;; Don't select any articles, just move point to the first
3072 ;; article in the group.
3073 (goto-char (point-min))
3074 (gnus-summary-position-point)
3075 (gnus-configure-windows 'summary 'force)
3076 (gnus-set-mode-line 'summary))
3077 (when (get-buffer-window gnus-group-buffer t)
3078 ;; Gotta use windows, because recenter does weird stuff if
3079 ;; the current buffer ain't the displayed window.
3080 (let ((owin (selected-window)))
3081 (select-window (get-buffer-window gnus-group-buffer t))
3082 (when (gnus-group-goto-group group)
3084 (select-window owin)))
3085 ;; Mark this buffer as "prepared".
3086 (setq gnus-newsgroup-prepared t)
3087 (gnus-run-hooks 'gnus-summary-prepared-hook)
3090 (defun gnus-summary-prepare ()
3091 "Generate the summary buffer."
3093 (let ((buffer-read-only nil))
3095 (setq gnus-newsgroup-data nil
3096 gnus-newsgroup-data-reverse nil)
3097 (gnus-run-hooks 'gnus-summary-generate-hook)
3098 ;; Generate the buffer, either with threads or without.
3099 (when gnus-newsgroup-headers
3100 (gnus-summary-prepare-threads
3101 (if gnus-show-threads
3102 (gnus-sort-gathered-threads
3103 (funcall gnus-summary-thread-gathering-function
3105 (gnus-cut-threads (gnus-make-threads)))))
3106 ;; Unthreaded display.
3107 (gnus-sort-articles gnus-newsgroup-headers))))
3108 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3109 ;; Call hooks for modifying summary buffer.
3110 (goto-char (point-min))
3111 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3113 (defsubst gnus-general-simplify-subject (subject)
3114 "Simply subject by the same rules as gnus-gather-threads-by-subject."
3117 ;; Truncate the subject.
3118 (gnus-simplify-subject-functions
3119 (gnus-map-function gnus-simplify-subject-functions subject))
3120 ((numberp gnus-summary-gather-subject-limit)
3121 (setq subject (gnus-simplify-subject-re subject))
3122 (if (> (length subject) gnus-summary-gather-subject-limit)
3123 (substring subject 0 gnus-summary-gather-subject-limit)
3125 ;; Fuzzily simplify it.
3126 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3127 (gnus-simplify-subject-fuzzy subject))
3128 ;; Just remove the leading "Re:".
3130 (gnus-simplify-subject-re subject))))
3132 (if (and gnus-summary-gather-exclude-subject
3133 (string-match gnus-summary-gather-exclude-subject subject))
3134 nil ; This article shouldn't be gathered
3137 (defun gnus-summary-simplify-subject-query ()
3138 "Query where the respool algorithm would put this article."
3140 (gnus-summary-select-article)
3141 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3143 (defun gnus-gather-threads-by-subject (threads)
3144 "Gather threads by looking at Subject headers."
3145 (if (not gnus-summary-make-false-root)
3147 (let ((hashtb (gnus-make-hashtable 1024))
3150 subject hthread whole-subject)
3152 (setq subject (gnus-general-simplify-subject
3153 (setq whole-subject (mail-header-subject
3156 (if (setq hthread (gnus-gethash subject hashtb))
3158 ;; We enter a dummy root into the thread, if we
3159 ;; haven't done that already.
3160 (unless (stringp (caar hthread))
3161 (setcar hthread (list whole-subject (car hthread))))
3162 ;; We add this new gathered thread to this gathered
3164 (setcdr (car hthread)
3165 (nconc (cdar hthread) (list (car threads))))
3166 ;; Remove it from the list of threads.
3167 (setcdr prev (cdr threads))
3168 (setq threads prev))
3169 ;; Enter this thread into the hash table.
3170 (gnus-sethash subject threads hashtb)))
3172 (setq threads (cdr threads)))
3175 (defun gnus-gather-threads-by-references (threads)
3176 "Gather threads by looking at References headers."
3177 (let ((idhashtb (gnus-make-hashtable 1024))
3178 (thhashtb (gnus-make-hashtable 1024))
3181 ids references id gthread gid entered ref)
3183 (when (setq references (mail-header-references (caar threads)))
3184 (setq id (mail-header-id (caar threads))
3185 ids (gnus-split-references references)
3187 (while (setq ref (pop ids))
3188 (setq ids (delete ref ids))
3189 (if (not (setq gid (gnus-gethash ref idhashtb)))
3191 (gnus-sethash ref id idhashtb)
3192 (gnus-sethash id threads thhashtb))
3193 (setq gthread (gnus-gethash gid thhashtb))
3195 ;; We enter a dummy root into the thread, if we
3196 ;; haven't done that already.
3197 (unless (stringp (caar gthread))
3198 (setcar gthread (list (mail-header-subject (caar gthread))
3200 ;; We add this new gathered thread to this gathered
3202 (setcdr (car gthread)
3203 (nconc (cdar gthread) (list (car threads)))))
3204 ;; Add it into the thread hash table.
3205 (gnus-sethash id gthread thhashtb)
3207 ;; Remove it from the list of threads.
3208 (setcdr prev (cdr threads))
3209 (setq threads prev))))
3211 (setq threads (cdr threads)))
3214 (defun gnus-sort-gathered-threads (threads)
3215 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3216 (let ((result threads))
3218 (when (stringp (caar threads))
3219 (setcdr (car threads)
3220 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3221 (setq threads (cdr threads)))
3224 (defun gnus-thread-loop-p (root thread)
3225 "Say whether ROOT is in THREAD."
3226 (let ((stack (list thread))
3229 (while (setq thread (pop stack))
3230 (setq th (cdr thread))
3232 (not (eq (caar th) root)))
3235 ;; We have found a loop.
3237 (setcdr thread (delq (car th) (cdr thread)))
3238 (if (boundp (setq ref-dep (intern "none"
3239 gnus-newsgroup-dependencies)))
3240 (setcdr (symbol-value ref-dep)
3241 (nconc (cdr (symbol-value ref-dep))
3243 (set ref-dep (list nil (car th))))
3246 ;; Push all the subthreads onto the stack.
3247 (push (cdr thread) stack)))
3250 (defun gnus-make-threads ()
3251 "Go through the dependency hashtb and find the roots. Return all threads."
3253 (while (catch 'infloop
3256 ;; Deal with self-referencing References loops.
3257 (when (and (car (symbol-value refs))
3264 (car (symbol-value refs)) thread))
3265 (cdr (symbol-value refs)))))))
3268 (unless (car (symbol-value refs))
3269 ;; These threads do not refer back to any other articles,
3270 ;; so they're roots.
3271 (setq threads (append (cdr (symbol-value refs)) threads))))
3272 gnus-newsgroup-dependencies)))
3275 ;; Build the thread tree.
3276 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3277 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3279 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3280 if it was already present.
3282 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3283 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3284 Message-IDs will be renamed be renamed to a unique Message-ID before
3287 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3288 (let* ((id (mail-header-id header))
3289 (id-dep (and id (intern id dependencies)))
3290 ref ref-dep ref-header)
3291 ;; Enter this `header' in the `dependencies' table.
3295 ;; The first two cases do the normal part: enter a new `header'
3296 ;; in the `dependencies' table.
3297 ((not (boundp id-dep))
3298 (set id-dep (list header)))
3299 ((null (car (symbol-value id-dep)))
3300 (setcar (symbol-value id-dep) header))
3302 ;; From here the `header' was already present in the
3303 ;; `dependencies' table.
3305 ;; Overrides an existing entry;
3306 ;; just set the header part of the entry.
3307 (setcar (symbol-value id-dep) header))
3309 ;; Renames the existing `header' to a unique Message-ID.
3310 ((not gnus-summary-ignore-duplicates)
3311 ;; An article with this Message-ID has already been seen.
3312 ;; We rename the Message-ID.
3313 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3315 (mail-header-set-id header id))
3317 ;; The last case ignores an existing entry, except it adds any
3318 ;; additional Xrefs (in case the two articles came from different
3320 ;; Also sets `header' to `nil' meaning that the `dependencies'
3321 ;; table was *not* modified.
3323 (mail-header-set-xref
3324 (car (symbol-value id-dep))
3325 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3327 (or (mail-header-xref header) "")))
3331 ;; First check if that we are not creating a References loop.
3332 (setq ref (gnus-parent-id (mail-header-references header)))
3334 (setq ref-dep (intern-soft ref dependencies))
3336 (setq ref-header (car (symbol-value ref-dep))))
3337 (if (string= id ref)
3338 ;; Yuk! This is a reference loop. Make the article be a
3341 (mail-header-set-references (car (symbol-value id-dep)) "none")
3343 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3344 (setq ref (gnus-parent-id (mail-header-references header)))
3345 (setq ref-dep (intern (or ref "none") dependencies))
3346 (if (boundp ref-dep)
3347 (setcdr (symbol-value ref-dep)
3348 (nconc (cdr (symbol-value ref-dep))
3349 (list (symbol-value id-dep))))
3350 (set ref-dep (list nil (symbol-value id-dep)))))
3353 (defun gnus-build-sparse-threads ()
3354 (let ((headers gnus-newsgroup-headers)
3355 (mail-parse-charset gnus-newsgroup-charset)
3356 (gnus-summary-ignore-duplicates t)
3357 header references generation relations
3358 subject child end new-child date)
3359 ;; First we create an alist of generations/relations, where
3360 ;; generations is how much we trust the relation, and the relation
3362 (gnus-message 7 "Making sparse threads...")
3364 (nnheader-set-temp-buffer " *gnus sparse threads*")
3365 (while (setq header (pop headers))
3366 (when (and (setq references (mail-header-references header))
3367 (not (string= references "")))
3369 (setq child (mail-header-id header)
3370 subject (mail-header-subject header)
3371 date (mail-header-date header)
3373 (while (search-backward ">" nil t)
3374 (setq end (1+ (point)))
3375 (when (search-backward "<" nil t)
3376 (setq new-child (buffer-substring (point) end))
3377 (push (list (incf generation)
3378 child (setq child new-child)
3382 (push (list (1+ generation) child nil subject) relations))
3384 (kill-buffer (current-buffer)))
3385 ;; Sort over trustworthiness.
3388 (when (gnus-dependencies-add-header
3389 (make-full-mail-header
3390 gnus-reffed-article-number
3391 (nth 3 relation) "" (or (nth 4 relation) "")
3393 (or (nth 2 relation) "") 0 0 "")
3394 gnus-newsgroup-dependencies nil)
3395 (push gnus-reffed-article-number gnus-newsgroup-limit)
3396 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3397 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3398 gnus-newsgroup-reads)
3399 (decf gnus-reffed-article-number)))
3400 (sort relations 'car-less-than-car))
3401 (gnus-message 7 "Making sparse threads...done")))
3403 (defun gnus-build-old-threads ()
3404 ;; Look at all the articles that refer back to old articles, and
3405 ;; fetch the headers for the articles that aren't there. This will
3406 ;; build complete threads - if the roots haven't been expired by the
3408 (let ((mail-parse-charset gnus-newsgroup-charset)
3412 (when (not (car (symbol-value refs)))
3413 (setq heads (cdr (symbol-value refs)))
3415 (if (memq (mail-header-number (caar heads))
3416 gnus-newsgroup-dormant)
3417 (setq heads (cdr heads))
3418 (setq id (symbol-name refs))
3419 (while (and (setq id (gnus-build-get-header id))
3420 (not (car (gnus-id-to-thread id)))))
3421 (setq heads nil)))))
3422 gnus-newsgroup-dependencies)))
3424 ;; This function has to be called with point after the article number
3425 ;; on the beginning of the line.
3426 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3427 (let ((eol (gnus-point-at-eol))
3428 (buffer (current-buffer))
3431 ;; overview: [num subject from date id refs chars lines misc]
3434 (narrow-to-region (point) eol)
3439 (make-full-mail-header
3441 (funcall gnus-decode-encoded-word-function
3442 (nnheader-nov-field)) ; subject
3443 (funcall gnus-decode-encoded-word-function
3444 (nnheader-nov-field)) ; from
3445 (nnheader-nov-field) ; date
3446 (nnheader-nov-read-message-id) ; id
3447 (nnheader-nov-field) ; refs
3448 (nnheader-nov-read-integer) ; chars
3449 (nnheader-nov-read-integer) ; lines
3451 (if (looking-at "Xref: ")
3452 (goto-char (match-end 0)))
3453 (nnheader-nov-field)) ; Xref
3454 (nnheader-nov-parse-extra)))) ; extra
3458 (when gnus-alter-header-function
3459 (funcall gnus-alter-header-function header))
3460 (gnus-dependencies-add-header header dependencies force-new)))
3462 (defun gnus-build-get-header (id)
3463 "Look through the buffer of NOV lines and find the header to ID.
3464 Enter this line into the dependencies hash table, and return
3465 the id of the parent article (if any)."
3466 (let ((deps gnus-newsgroup-dependencies)
3470 (set-buffer nntp-server-buffer)
3471 (let ((case-fold-search nil))
3472 (goto-char (point-min))
3473 (while (and (not found)
3474 (search-forward id nil t))
3476 (setq found (looking-at
3477 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3478 (regexp-quote id))))
3479 (or found (beginning-of-line 2)))
3483 (setq header (gnus-nov-parse-line
3484 (read (current-buffer)) deps))
3485 (gnus-parent-id (mail-header-references header))))))
3487 (let ((number (mail-header-number header)))
3488 (push number gnus-newsgroup-limit)
3489 (push header gnus-newsgroup-headers)
3490 (if (memq number gnus-newsgroup-unselected)
3492 (push number gnus-newsgroup-unreads)
3493 (setq gnus-newsgroup-unselected
3494 (delq number gnus-newsgroup-unselected)))
3495 (push number gnus-newsgroup-ancient)))))))
3497 (defun gnus-build-all-threads ()
3498 "Read all the headers."
3499 (let ((gnus-summary-ignore-duplicates t)
3500 (mail-parse-charset gnus-newsgroup-charset)
3501 (dependencies gnus-newsgroup-dependencies)
3504 (set-buffer nntp-server-buffer)
3505 (let ((case-fold-search nil))
3506 (goto-char (point-min))
3509 (setq article (read (current-buffer))
3510 header (gnus-nov-parse-line article dependencies)))
3513 (set-buffer gnus-summary-buffer)
3514 (push header gnus-newsgroup-headers)
3515 (if (memq (setq article (mail-header-number header))
3516 gnus-newsgroup-unselected)
3518 (push article gnus-newsgroup-unreads)
3519 (setq gnus-newsgroup-unselected
3520 (delq article gnus-newsgroup-unselected)))
3521 (push article gnus-newsgroup-ancient)))
3522 (forward-line 1)))))))
3524 (defun gnus-summary-update-article-line (article header)
3525 "Update the line for ARTICLE using HEADERS."
3526 (let* ((id (mail-header-id header))
3527 (thread (gnus-id-to-thread id)))
3529 (error "Article in no thread"))
3530 ;; Update the thread.
3531 (setcar thread header)
3532 (gnus-summary-goto-subject article)
3533 (let* ((datal (gnus-data-find-list article))
3535 (length (when (cdr datal)
3536 (- (gnus-data-pos data)
3537 (gnus-data-pos (cadr datal)))))
3538 (buffer-read-only nil)
3539 (level (gnus-summary-thread-level)))
3541 (gnus-summary-insert-line
3542 header level nil (gnus-article-mark article)
3543 (memq article gnus-newsgroup-replied)
3544 (memq article gnus-newsgroup-expirable)
3545 ;; Only insert the Subject string when it's different
3546 ;; from the previous Subject string.
3551 (mail-header-subject
3554 (gnus-data-find-list
3556 (gnus-data-list t)))))
3557 ;; Error on the side of excessive subjects.
3559 (mail-header-subject header)))
3561 (mail-header-subject header))
3562 nil (cdr (assq article gnus-newsgroup-scored))
3563 (memq article gnus-newsgroup-processable))
3565 (gnus-data-update-list
3566 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3568 (defun gnus-summary-update-article (article &optional iheader)
3569 "Update ARTICLE in the summary buffer."
3570 (set-buffer gnus-summary-buffer)
3571 (let* ((header (gnus-summary-article-header article))
3572 (id (mail-header-id header))
3573 (data (gnus-data-find article))
3574 (thread (gnus-id-to-thread id))
3575 (references (mail-header-references header))
3579 (when (and references
3580 (not (equal "" references)))
3583 (buffer-read-only nil)
3589 (delq thread parent)))
3590 (if (gnus-summary-insert-subject id header)
3591 ;; Set the (possibly) new article number in the data structure.
3592 (gnus-data-set-number data (gnus-id-to-article id))
3596 (defun gnus-rebuild-thread (id &optional line)
3597 "Rebuild the thread containing ID.
3598 If LINE, insert the rebuilt thread starting on line LINE."
3599 (let ((buffer-read-only nil)
3600 old-pos current thread data)
3601 (if (not gnus-show-threads)
3602 (setq thread (list (car (gnus-id-to-thread id))))
3603 ;; Get the thread this article is part of.
3604 (setq thread (gnus-remove-thread id)))
3605 (setq old-pos (gnus-point-at-bol))
3606 (setq current (save-excursion
3607 (and (zerop (forward-line -1))
3608 (gnus-summary-article-number))))
3609 ;; If this is a gathered thread, we have to go some re-gathering.
3610 (when (stringp (car thread))
3611 (let ((subject (car thread))
3613 (setq thread (cdr thread))
3615 (unless (memq (setq thr (gnus-id-to-thread
3617 (mail-header-id (caar thread)))))
3620 (setq thread (cdr thread)))
3621 ;; We now have all (unique) roots.
3622 (if (= (length roots) 1)
3623 ;; All the loose roots are now one solid root.
3624 (setq thread (car roots))
3625 (setq thread (cons subject (gnus-sort-threads roots))))))
3627 ;; We then insert this thread into the summary buffer.
3629 (goto-char (point-min))
3630 (forward-line (1- line)))
3631 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3632 (if gnus-show-threads
3633 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3634 (gnus-summary-prepare-unthreaded thread))
3635 (setq data (nreverse gnus-newsgroup-data))
3636 (setq threads gnus-newsgroup-threads))
3637 ;; We splice the new data into the data structure.
3638 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3639 ;;!!! then we want to insert at the beginning of the buffer.
3640 ;;!!! That happens to be true with Gnus now, but that may
3641 ;;!!! change in the future. Perhaps.
3642 (gnus-data-enter-list
3643 (if line nil current) data (- (point) old-pos))
3644 (setq gnus-newsgroup-threads
3645 (nconc threads gnus-newsgroup-threads))
3646 (gnus-data-compute-positions))))
3648 (defun gnus-number-to-header (number)
3649 "Return the header for article NUMBER."
3650 (let ((headers gnus-newsgroup-headers))
3652 (not (= number (mail-header-number (car headers)))))
3657 (defun gnus-parent-headers (in-headers &optional generation)
3658 "Return the headers of the GENERATIONeth parent of HEADERS."
3660 (setq generation 1))
3662 (headers in-headers)
3665 (not (zerop generation))
3666 (setq references (mail-header-references headers)))
3667 (setq headers (if (and references
3668 (setq parent (gnus-parent-id references)))
3669 (car (gnus-id-to-thread parent))
3672 (and (not (eq headers in-headers))
3675 (defun gnus-id-to-thread (id)
3676 "Return the (sub-)thread where ID appears."
3677 (gnus-gethash id gnus-newsgroup-dependencies))
3679 (defun gnus-id-to-article (id)
3680 "Return the article number of ID."
3681 (let ((thread (gnus-id-to-thread id)))
3684 (mail-header-number (car thread)))))
3686 (defun gnus-id-to-header (id)
3687 "Return the article headers of ID."
3688 (car (gnus-id-to-thread id)))
3690 (defun gnus-article-displayed-root-p (article)
3691 "Say whether ARTICLE is a root(ish) article."
3692 (let ((level (gnus-summary-thread-level article))
3693 (refs (mail-header-references (gnus-summary-article-header article)))
3699 ((null (gnus-parent-id refs)) t)
3701 (null (setq particle (gnus-id-to-article
3702 (gnus-parent-id refs))))
3703 (null (gnus-summary-thread-level particle)))))))
3705 (defun gnus-root-id (id)
3706 "Return the id of the root of the thread where ID appears."
3708 (while (and id (setq prev (car (gnus-id-to-thread id))))
3710 id (gnus-parent-id (mail-header-references prev))))
3713 (defun gnus-articles-in-thread (thread)
3714 "Return the list of articles in THREAD."
3715 (cons (mail-header-number (car thread))
3716 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3718 (defun gnus-remove-thread (id &optional dont-remove)
3719 "Remove the thread that has ID in it."
3720 (let (headers thread last-id)
3721 ;; First go up in this thread until we find the root.
3722 (setq last-id (gnus-root-id id)
3723 headers (message-flatten-list (gnus-id-to-thread last-id)))
3724 ;; We have now found the real root of this thread. It might have
3725 ;; been gathered into some loose thread, so we have to search
3726 ;; through the threads to find the thread we wanted.
3727 (let ((threads gnus-newsgroup-threads)
3730 (setq sub (car threads))
3731 (if (stringp (car sub))
3732 ;; This is a gathered thread, so we look at the roots
3733 ;; below it to find whether this article is in this
3736 (setq sub (cdr sub))
3738 (when (member (caar sub) headers)
3739 (setq thread (car threads)
3742 (setq sub (cdr sub))))
3743 ;; It's an ordinary thread, so we check it.
3744 (when (eq (car sub) (car headers))
3747 (setq threads (cdr threads)))
3748 ;; If this article is in no thread, then it's a root.
3751 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3752 (setq thread (gnus-id-to-thread last-id)))
3755 thread ; We return this thread.
3757 (if (stringp (car thread))
3759 ;; If we use dummy roots, then we have to remove the
3760 ;; dummy root as well.
3761 (when (eq gnus-summary-make-false-root 'dummy)
3762 ;; We go to the dummy root by going to
3763 ;; the first sub-"thread", and then one line up.
3764 (gnus-summary-goto-article
3765 (mail-header-number (caadr thread)))
3768 (gnus-data-compute-positions))
3769 (setq thread (cdr thread))
3771 (gnus-remove-thread-1 (car thread))
3772 (setq thread (cdr thread))))
3773 (gnus-remove-thread-1 thread))))))))
3775 (defun gnus-remove-thread-1 (thread)
3776 "Remove the thread THREAD recursively."
3777 (let ((number (mail-header-number (pop thread)))
3779 (setq thread (reverse thread))
3781 (gnus-remove-thread-1 (pop thread)))
3782 (when (setq d (gnus-data-find number))
3783 (goto-char (gnus-data-pos d))
3784 (gnus-summary-show-thread)
3787 (- (gnus-point-at-bol)
3789 (1+ (gnus-point-at-eol))
3790 (gnus-delete-line)))))))
3792 (defun gnus-sort-threads-1 (threads func)
3793 (sort (mapcar (lambda (thread)
3796 (gnus-sort-threads-1 (cdr thread) func))))
3799 (defun gnus-sort-threads (threads)
3801 (if (not gnus-thread-sort-functions)
3803 (gnus-message 8 "Sorting threads...")
3805 (gnus-sort-threads-1
3807 (gnus-make-sort-function gnus-thread-sort-functions))
3808 (gnus-message 8 "Sorting threads...done"))))
3810 (defun gnus-sort-articles (articles)
3812 (when gnus-article-sort-functions
3813 (gnus-message 7 "Sorting articles...")
3815 (setq gnus-newsgroup-headers
3816 (sort articles (gnus-make-sort-function
3817 gnus-article-sort-functions)))
3818 (gnus-message 7 "Sorting articles...done"))))
3820 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3821 (defmacro gnus-thread-header (thread)
3822 "Return header of first article in THREAD.
3823 Note that THREAD must never, ever be anything else than a variable -
3824 using some other form will lead to serious barfage."
3825 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3826 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3827 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
3830 (defsubst gnus-article-sort-by-number (h1 h2)
3831 "Sort articles by article number."
3832 (< (mail-header-number h1)
3833 (mail-header-number h2)))
3835 (defun gnus-thread-sort-by-number (h1 h2)
3836 "Sort threads by root article number."
3837 (gnus-article-sort-by-number
3838 (gnus-thread-header h1) (gnus-thread-header h2)))
3840 (defsubst gnus-article-sort-by-lines (h1 h2)
3841 "Sort articles by article Lines header."
3842 (< (mail-header-lines h1)
3843 (mail-header-lines h2)))
3845 (defun gnus-thread-sort-by-lines (h1 h2)
3846 "Sort threads by root article Lines header."
3847 (gnus-article-sort-by-lines
3848 (gnus-thread-header h1) (gnus-thread-header h2)))
3850 (defsubst gnus-article-sort-by-chars (h1 h2)
3851 "Sort articles by octet length."
3852 (< (mail-header-chars h1)
3853 (mail-header-chars h2)))
3855 (defun gnus-thread-sort-by-chars (h1 h2)
3856 "Sort threads by root article octet length."
3857 (gnus-article-sort-by-chars
3858 (gnus-thread-header h1) (gnus-thread-header h2)))
3860 (defsubst gnus-article-sort-by-author (h1 h2)
3861 "Sort articles by root author."
3863 (let ((extract (funcall
3864 gnus-extract-address-components
3865 (mail-header-from h1))))
3866 (or (car extract) (cadr extract) ""))
3867 (let ((extract (funcall
3868 gnus-extract-address-components
3869 (mail-header-from h2))))
3870 (or (car extract) (cadr extract) ""))))
3872 (defun gnus-thread-sort-by-author (h1 h2)
3873 "Sort threads by root author."
3874 (gnus-article-sort-by-author
3875 (gnus-thread-header h1) (gnus-thread-header h2)))
3877 (defsubst gnus-article-sort-by-subject (h1 h2)
3878 "Sort articles by root subject."
3880 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3881 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3883 (defun gnus-thread-sort-by-subject (h1 h2)
3884 "Sort threads by root subject."
3885 (gnus-article-sort-by-subject
3886 (gnus-thread-header h1) (gnus-thread-header h2)))
3888 (defsubst gnus-article-sort-by-date (h1 h2)
3889 "Sort articles by root article date."
3891 (gnus-date-get-time (mail-header-date h1))
3892 (gnus-date-get-time (mail-header-date h2))))
3894 (defun gnus-thread-sort-by-date (h1 h2)
3895 "Sort threads by root article date."
3896 (gnus-article-sort-by-date
3897 (gnus-thread-header h1) (gnus-thread-header h2)))
3899 (defsubst gnus-article-sort-by-score (h1 h2)
3900 "Sort articles by root article score.
3901 Unscored articles will be counted as having a score of zero."
3902 (> (or (cdr (assq (mail-header-number h1)
3903 gnus-newsgroup-scored))
3904 gnus-summary-default-score 0)
3905 (or (cdr (assq (mail-header-number h2)
3906 gnus-newsgroup-scored))
3907 gnus-summary-default-score 0)))
3909 (defun gnus-thread-sort-by-score (h1 h2)
3910 "Sort threads by root article score."
3911 (gnus-article-sort-by-score
3912 (gnus-thread-header h1) (gnus-thread-header h2)))
3914 (defun gnus-thread-sort-by-total-score (h1 h2)
3915 "Sort threads by the sum of all scores in the thread.
3916 Unscored articles will be counted as having a score of zero."
3917 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3919 (defun gnus-thread-total-score (thread)
3920 ;; This function find the total score of THREAD.
3921 (cond ((null thread)
3924 (if (stringp (car thread))
3925 (apply gnus-thread-score-function 0
3926 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3927 (gnus-thread-total-score-1 thread)))
3929 (gnus-thread-total-score-1 (list thread)))))
3931 (defun gnus-thread-total-score-1 (root)
3932 ;; This function find the total score of the thread below ROOT.
3933 (setq root (car root))
3934 (apply gnus-thread-score-function
3936 (mapcar 'gnus-thread-total-score
3937 (cdr (gnus-id-to-thread (mail-header-id root))))
3938 (when (> (mail-header-number root) 0)
3939 (list (or (cdr (assq (mail-header-number root)
3940 gnus-newsgroup-scored))
3941 gnus-summary-default-score 0))))
3942 (list gnus-summary-default-score)
3945 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3946 (defvar gnus-tmp-prev-subject nil)
3947 (defvar gnus-tmp-false-parent nil)
3948 (defvar gnus-tmp-root-expunged nil)
3949 (defvar gnus-tmp-dummy-line nil)
3951 (eval-when-compile (defvar gnus-tmp-header))
3952 (defun gnus-extra-header (type &optional header)
3953 "Return the extra header of TYPE."
3954 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
3957 (defun gnus-summary-prepare-threads (threads)
3958 "Prepare summary buffer from THREADS and indentation LEVEL.
3959 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3960 or a straight list of headers."
3961 (gnus-message 7 "Generating summary...")
3963 (setq gnus-newsgroup-threads threads)
3966 (let ((gnus-tmp-level 0)
3967 (default-score (or gnus-summary-default-score 0))
3968 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3969 thread number subject stack state gnus-tmp-gathered beg-match
3970 new-roots gnus-tmp-new-adopts thread-end
3971 gnus-tmp-header gnus-tmp-unread
3972 gnus-tmp-replied gnus-tmp-subject-or-nil
3973 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3974 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3975 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3977 (setq gnus-tmp-prev-subject nil)
3979 (if (vectorp (car threads))
3980 ;; If this is a straight (sic) list of headers, then a
3981 ;; threaded summary display isn't required, so we just create
3982 ;; an unthreaded one.
3983 (gnus-summary-prepare-unthreaded threads)
3985 ;; Do the threaded display.
3987 (while (or threads stack gnus-tmp-new-adopts new-roots)
3989 (if (and (= gnus-tmp-level 0)
3992 (not gnus-tmp-false-parent)
3993 (or gnus-tmp-new-adopts new-roots))
3994 (if gnus-tmp-new-adopts
3995 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3996 thread (list (car gnus-tmp-new-adopts))
3997 gnus-tmp-header (caar thread)
3998 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4000 (setq thread (list (car new-roots))
4001 gnus-tmp-header (caar thread)
4002 new-roots (cdr new-roots))))
4005 ;; If there are some threads, we do them before the
4006 ;; threads on the stack.
4007 (setq thread threads
4008 gnus-tmp-header (caar thread))
4009 ;; There were no current threads, so we pop something off
4011 (setq state (car stack)
4012 gnus-tmp-level (car state)
4015 gnus-tmp-header (caar thread))))
4017 (setq gnus-tmp-false-parent nil)
4018 (setq gnus-tmp-root-expunged nil)
4019 (setq thread-end nil)
4021 (if (stringp gnus-tmp-header)
4022 ;; The header is a dummy root.
4024 ((eq gnus-summary-make-false-root 'adopt)
4025 ;; We let the first article adopt the rest.
4026 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4028 (setq gnus-tmp-gathered
4030 (lambda (h) (mail-header-number (car h)))
4033 (setq thread (cons (list (caar thread)
4036 (setq gnus-tmp-level -1
4037 gnus-tmp-false-parent t))
4038 ((eq gnus-summary-make-false-root 'empty)
4039 ;; We print adopted articles with empty subject fields.
4040 (setq gnus-tmp-gathered
4042 (lambda (h) (mail-header-number (car h)))
4045 (setq gnus-tmp-level -1))
4046 ((eq gnus-summary-make-false-root 'dummy)
4047 ;; We remember that we probably want to output a dummy
4049 (setq gnus-tmp-dummy-line gnus-tmp-header)
4050 (setq gnus-tmp-prev-subject gnus-tmp-header))
4052 ;; We do not make a root for the gathered
4053 ;; sub-threads at all.
4054 (setq gnus-tmp-level -1)))
4056 (setq number (mail-header-number gnus-tmp-header)
4057 subject (mail-header-subject gnus-tmp-header))
4060 ;; If the thread has changed subject, we might want to make
4061 ;; this subthread into a root.
4062 ((and (null gnus-thread-ignore-subject)
4063 (not (zerop gnus-tmp-level))
4064 gnus-tmp-prev-subject
4066 (gnus-subject-equal gnus-tmp-prev-subject subject))))
4067 (setq new-roots (nconc new-roots (list (car thread)))
4069 gnus-tmp-header nil))
4070 ;; If the article lies outside the current limit,
4071 ;; then we do not display it.
4072 ((not (memq number gnus-newsgroup-limit))
4073 (setq gnus-tmp-gathered
4075 (lambda (h) (mail-header-number (car h)))
4078 (setq gnus-tmp-new-adopts (if (cdar thread)
4079 (append gnus-tmp-new-adopts
4081 gnus-tmp-new-adopts)
4083 gnus-tmp-header nil)
4084 (when (zerop gnus-tmp-level)
4085 (setq gnus-tmp-root-expunged t)))
4086 ;; Perhaps this article is to be marked as read?
4087 ((and gnus-summary-mark-below
4088 (< (or (cdr (assq number gnus-newsgroup-scored))
4090 gnus-summary-mark-below)
4091 ;; Don't touch sparse articles.
4092 (not (gnus-summary-article-sparse-p number))
4093 (not (gnus-summary-article-ancient-p number)))
4094 (setq gnus-newsgroup-unreads
4095 (delq number gnus-newsgroup-unreads))
4096 (if gnus-newsgroup-auto-expire
4097 (push number gnus-newsgroup-expirable)
4098 (push (cons number gnus-low-score-mark)
4099 gnus-newsgroup-reads))))
4101 (when gnus-tmp-header
4102 ;; We may have an old dummy line to output before this
4104 (when (and gnus-tmp-dummy-line
4107 (mail-header-subject gnus-tmp-header)))
4108 (gnus-summary-insert-dummy-line
4109 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4110 (setq gnus-tmp-dummy-line nil))
4112 ;; Compute the mark.
4113 (setq gnus-tmp-unread (gnus-article-mark number))
4115 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4116 gnus-tmp-header gnus-tmp-level)
4117 gnus-newsgroup-data)
4119 ;; Actually insert the line.
4121 gnus-tmp-subject-or-nil
4123 ((and gnus-thread-ignore-subject
4124 gnus-tmp-prev-subject
4125 (not (inline (gnus-subject-equal
4126 gnus-tmp-prev-subject subject))))
4128 ((zerop gnus-tmp-level)
4129 (if (and (eq gnus-summary-make-false-root 'empty)
4130 (memq number gnus-tmp-gathered)
4131 gnus-tmp-prev-subject
4132 (inline (gnus-subject-equal
4133 gnus-tmp-prev-subject subject)))
4134 gnus-summary-same-subject
4136 (t gnus-summary-same-subject)))
4137 (if (and (eq gnus-summary-make-false-root 'adopt)
4138 (= gnus-tmp-level 1)
4139 (memq number gnus-tmp-gathered))
4140 (setq gnus-tmp-opening-bracket ?\<
4141 gnus-tmp-closing-bracket ?\>)
4142 (setq gnus-tmp-opening-bracket ?\[
4143 gnus-tmp-closing-bracket ?\]))
4145 gnus-tmp-indentation
4146 (aref gnus-thread-indent-array gnus-tmp-level)
4147 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4148 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4149 gnus-summary-default-score 0)
4151 (if (or (null gnus-summary-default-score)
4152 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4153 gnus-summary-zcore-fuzz))
4155 (if (< gnus-tmp-score gnus-summary-default-score)
4156 gnus-score-below-mark gnus-score-over-mark))
4158 (cond ((memq number gnus-newsgroup-processable)
4160 ((memq number gnus-newsgroup-cached)
4162 ((memq number gnus-newsgroup-replied)
4164 ((memq number gnus-newsgroup-saved)
4166 (t gnus-unread-mark))
4167 gnus-tmp-from (mail-header-from gnus-tmp-header)
4170 ((string-match "<[^>]+> *$" gnus-tmp-from)
4171 (setq beg-match (match-beginning 0))
4172 (or (and (string-match "^\".+\"" gnus-tmp-from)
4173 (substring gnus-tmp-from 1 (1- (match-end 0))))
4174 (substring gnus-tmp-from 0 beg-match)))
4175 ((string-match "(.+)" gnus-tmp-from)
4176 (substring gnus-tmp-from
4177 (1+ (match-beginning 0)) (1- (match-end 0))))
4179 (when (string= gnus-tmp-name "")
4180 (setq gnus-tmp-name gnus-tmp-from))
4181 (unless (numberp gnus-tmp-lines)
4182 (setq gnus-tmp-lines 0))
4183 (gnus-put-text-property
4185 (progn (eval gnus-summary-line-format-spec) (point))
4186 'gnus-number number)
4189 (gnus-run-hooks 'gnus-summary-update-hook)
4192 (setq gnus-tmp-prev-subject subject)))
4194 (when (nth 1 thread)
4195 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
4196 (incf gnus-tmp-level)
4197 (setq threads (if thread-end nil (cdar thread)))
4199 (setq gnus-tmp-level 0)))))
4200 (gnus-message 7 "Generating summary...done"))
4202 (defun gnus-summary-prepare-unthreaded (headers)
4203 "Generate an unthreaded summary buffer based on HEADERS."
4204 (let (header number mark)
4209 ;; We may have to root out some bad articles...
4210 (when (memq (setq number (mail-header-number
4211 (setq header (pop headers))))
4212 gnus-newsgroup-limit)
4213 ;; Mark article as read when it has a low score.
4214 (when (and gnus-summary-mark-below
4215 (< (or (cdr (assq number gnus-newsgroup-scored))
4216 gnus-summary-default-score 0)
4217 gnus-summary-mark-below)
4218 (not (gnus-summary-article-ancient-p number)))
4219 (setq gnus-newsgroup-unreads
4220 (delq number gnus-newsgroup-unreads))
4221 (if gnus-newsgroup-auto-expire
4222 (push number gnus-newsgroup-expirable)
4223 (push (cons number gnus-low-score-mark)
4224 gnus-newsgroup-reads)))
4226 (setq mark (gnus-article-mark number))
4227 (push (gnus-data-make number mark (1+ (point)) header 0)
4228 gnus-newsgroup-data)
4229 (gnus-summary-insert-line
4231 mark (memq number gnus-newsgroup-replied)
4232 (memq number gnus-newsgroup-expirable)
4233 (mail-header-subject header) nil
4234 (cdr (assq number gnus-newsgroup-scored))
4235 (memq number gnus-newsgroup-processable))))))
4237 (defun gnus-summary-remove-list-identifiers ()
4238 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4239 (let ((regexp (if (stringp gnus-list-identifiers)
4240 gnus-list-identifiers
4241 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
4242 (dolist (header gnus-newsgroup-headers)
4243 (when (string-match (concat "\\(\\(\\(Re: +\\)?\\(" regexp
4244 " *\\)\\)+\\(Re: +\\)?\\)")
4245 (mail-header-subject header))
4246 (mail-header-set-subject
4247 header (concat (substring (mail-header-subject header)
4248 0 (match-beginning 1))
4250 (match-string 3 (mail-header-subject header))
4251 (match-string 5 (mail-header-subject header)))
4252 (substring (mail-header-subject header)
4253 (match-end 1))))))))
4255 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4256 "Select newsgroup GROUP.
4257 If READ-ALL is non-nil, all articles in the group are selected.
4258 If SELECT-ARTICLES, only select those articles from GROUP."
4259 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4260 ;;!!! Dirty hack; should be removed.
4261 (gnus-summary-ignore-duplicates
4262 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4264 gnus-summary-ignore-duplicates))
4265 (info (nth 2 entry))
4266 articles fetched-articles cached)
4268 (unless (gnus-check-server
4269 (setq gnus-current-select-method
4270 (gnus-find-method-for-group group)))
4271 (error "Couldn't open server"))
4273 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4274 (gnus-activate-group group) ; Or we can activate it...
4275 (progn ; Or we bug out.
4276 (when (equal major-mode 'gnus-summary-mode)
4277 (kill-buffer (current-buffer)))
4278 (error "Couldn't activate group %s: %s"
4279 group (gnus-status-message group))))
4281 (unless (gnus-request-group group t)
4282 (when (equal major-mode 'gnus-summary-mode)
4283 (kill-buffer (current-buffer)))
4284 (error "Couldn't request group %s: %s"
4285 group (gnus-status-message group)))
4287 (setq gnus-newsgroup-name group)
4288 (setq gnus-newsgroup-unselected nil)
4289 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4290 (gnus-summary-setup-default-charset)
4292 ;; Adjust and set lists of article marks.
4294 (gnus-adjust-marked-articles info))
4296 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4297 (when (gnus-virtual-group-p group)
4298 (setq cached gnus-newsgroup-cached))
4300 (setq gnus-newsgroup-unreads
4301 (gnus-set-difference
4302 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
4303 gnus-newsgroup-dormant))
4305 (setq gnus-newsgroup-processable nil)
4307 (gnus-update-read-articles group gnus-newsgroup-unreads)
4309 (if (setq articles select-articles)
4310 (setq gnus-newsgroup-unselected
4311 (gnus-sorted-intersection
4312 gnus-newsgroup-unreads
4313 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4314 (setq articles (gnus-articles-to-read group read-all)))
4318 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4320 ((eq articles 0) nil)
4322 ;; Init the dependencies hash table.
4323 (setq gnus-newsgroup-dependencies
4324 (gnus-make-hashtable (length articles)))
4325 (gnus-set-global-variables)
4326 ;; Retrieve the headers and read them in.
4327 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
4328 (setq gnus-newsgroup-headers
4330 (setq gnus-headers-retrieved-by
4331 (gnus-retrieve-headers
4332 articles gnus-newsgroup-name
4333 ;; We might want to fetch old headers, but
4334 ;; not if there is only 1 article.
4336 (not (eq gnus-fetch-old-headers 'some))
4337 (not (numberp gnus-fetch-old-headers)))
4338 (> (length articles) 1))
4339 gnus-fetch-old-headers))))
4340 (gnus-get-newsgroup-headers-xover
4341 articles nil nil gnus-newsgroup-name t)
4342 (gnus-get-newsgroup-headers)))
4343 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
4345 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4347 (setq gnus-newsgroup-cached cached))
4349 ;; Suppress duplicates?
4350 (when gnus-suppress-duplicates
4351 (gnus-dup-suppress-articles))
4353 ;; Set the initial limit.
4354 (setq gnus-newsgroup-limit (copy-sequence articles))
4355 ;; Remove canceled articles from the list of unread articles.
4356 (setq gnus-newsgroup-unreads
4357 (gnus-set-sorted-intersection
4358 gnus-newsgroup-unreads
4359 (setq fetched-articles
4360 (mapcar (lambda (headers) (mail-header-number headers))
4361 gnus-newsgroup-headers))))
4362 ;; Removed marked articles that do not exist.
4363 (gnus-update-missing-marks
4364 (gnus-sorted-complement fetched-articles articles))
4365 ;; We might want to build some more threads first.
4366 (when (and gnus-fetch-old-headers
4367 (eq gnus-headers-retrieved-by 'nov))
4368 (if (eq gnus-fetch-old-headers 'invisible)
4369 (gnus-build-all-threads)
4370 (gnus-build-old-threads)))
4371 ;; Let the Gnus agent mark articles as read.
4373 (gnus-agent-get-undownloaded-list))
4374 ;; Remove list identifiers from subject
4375 (when gnus-list-identifiers
4376 (gnus-summary-remove-list-identifiers))
4377 ;; Check whether auto-expire is to be done in this group.
4378 (setq gnus-newsgroup-auto-expire
4379 (gnus-group-auto-expirable-p group))
4380 ;; Set up the article buffer now, if necessary.
4381 (unless gnus-single-article-buffer
4382 (gnus-article-setup-buffer))
4383 ;; First and last article in this newsgroup.
4384 (when gnus-newsgroup-headers
4385 (setq gnus-newsgroup-begin
4386 (mail-header-number (car gnus-newsgroup-headers))
4389 (gnus-last-element gnus-newsgroup-headers))))
4390 ;; GROUP is successfully selected.
4391 (or gnus-newsgroup-headers t)))))
4393 (defun gnus-articles-to-read (group &optional read-all)
4394 "Find out what articles the user wants to read."
4396 ;; Select all articles if `read-all' is non-nil, or if there
4397 ;; are no unread articles.
4399 (and (zerop (length gnus-newsgroup-marked))
4400 (zerop (length gnus-newsgroup-unreads)))
4401 (eq (gnus-group-find-parameter group 'display)
4404 (gnus-uncompress-range (gnus-active group))
4405 (gnus-cache-articles-in-group group))
4406 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
4407 (copy-sequence gnus-newsgroup-unreads))
4409 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4410 (scored (length scored-list))
4411 (number (length articles))
4412 (marked (+ (length gnus-newsgroup-marked)
4413 (length gnus-newsgroup-dormant)))
4421 ((and (or (<= scored marked) (= scored number))
4422 (numberp gnus-large-newsgroup)
4423 (> number gnus-large-newsgroup))
4427 "How many articles from %s (default %d): "
4428 (gnus-limit-string gnus-newsgroup-name 35)
4430 (if (string-match "^[ \t]*$" input) number input)))
4431 ((and (> scored marked) (< scored number)
4432 (> (- scored number) 20))
4435 (format "%s %s (%d scored, %d total): "
4436 "How many articles from"
4437 group scored number))))
4438 (if (string-match "^[ \t]*$" input)
4442 (message "Quit getting the articles to read")
4444 (setq select (if (stringp select) (string-to-number select) select))
4445 (if (or (null select) (zerop select))
4447 (if (and (not (zerop scored)) (<= (abs select) scored))
4449 (setq articles (sort scored-list '<))
4450 (setq number (length articles)))
4451 (setq articles (copy-sequence articles)))
4453 (when (< (abs select) number)
4455 ;; Select the N oldest articles.
4456 (setcdr (nthcdr (1- (abs select)) articles) nil)
4457 ;; Select the N most recent articles.
4458 (setq articles (nthcdr (- number select) articles))))
4459 (setq gnus-newsgroup-unselected
4460 (gnus-sorted-intersection
4461 gnus-newsgroup-unreads
4462 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4463 (when gnus-alter-articles-to-read-function
4464 (setq gnus-newsgroup-unreads
4466 (funcall gnus-alter-articles-to-read-function
4467 gnus-newsgroup-name gnus-newsgroup-unreads)
4471 (defun gnus-killed-articles (killed articles)
4474 (when (inline (gnus-member-of-range (car articles) killed))
4475 (push (car articles) out))
4476 (setq articles (cdr articles)))
4479 (defun gnus-uncompress-marks (marks)
4480 "Uncompress the mark ranges in MARKS."
4481 (let ((uncompressed '(score bookmark))
4484 (if (memq (caar marks) uncompressed)
4485 (push (car marks) out)
4486 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4487 (setq marks (cdr marks)))
4490 (defun gnus-adjust-marked-articles (info)
4491 "Set all article lists and remove all marks that are no longer valid."
4492 (let* ((marked-lists (gnus-info-marks info))
4493 (active (gnus-active (gnus-info-group info)))
4496 (types gnus-article-mark-lists)
4497 (uncompressed '(score bookmark killed))
4498 marks var articles article mark)
4501 (setq marks (pop marked-lists))
4502 (set (setq var (intern (format "gnus-newsgroup-%s"
4503 (car (rassq (setq mark (car marks))
4505 (if (memq (car marks) uncompressed) (cdr marks)
4506 (gnus-uncompress-range (cdr marks))))
4508 (setq articles (symbol-value var))
4510 ;; All articles have to be subsets of the active articles.
4512 ;; Adjust "simple" lists.
4513 ((memq mark '(tick dormant expire reply save))
4515 (when (or (< (setq article (pop articles)) min) (> article max))
4516 (set var (delq article (symbol-value var))))))
4518 ((memq mark uncompressed)
4519 (when (not (listp (cdr (symbol-value var))))
4520 (set var (list (symbol-value var))))
4521 (when (not (listp (cdr articles)))
4522 (setq articles (list articles)))
4524 (when (or (not (consp (setq article (pop articles))))
4525 (< (car article) min)
4526 (> (car article) max))
4527 (set var (delq article (symbol-value var))))))))))
4529 (defun gnus-update-missing-marks (missing)
4530 "Go through the list of MISSING articles and remove them from the mark lists."
4532 (let ((types gnus-article-mark-lists)
4534 ;; Go through all types.
4536 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4537 (when (symbol-value var)
4538 ;; This list has articles. So we delete all missing articles
4542 (set var (delq (pop m) (symbol-value var)))))))))
4544 (defun gnus-update-marks ()
4545 "Enter the various lists of marked articles into the newsgroup info list."
4546 (let ((types gnus-article-mark-lists)
4547 (info (gnus-get-info gnus-newsgroup-name))
4548 (uncompressed '(score bookmark killed))
4549 type list newmarked symbol delta-marks)
4551 ;; Add all marks lists to the list of marks lists.
4552 (while (setq type (pop types))
4553 (setq list (symbol-value
4555 (intern (format "gnus-newsgroup-%s"
4559 ;; Get rid of the entries of the articles that have the
4561 (when (and (eq (cdr type) 'score)
4565 (prev (cons nil list))
4568 (if (or (not (consp (car arts)))
4569 (= (cdar arts) gnus-summary-default-score))
4570 (setcdr prev (cdr arts))
4572 (setq arts (cdr arts)))
4573 (setq list (cdr all)))))
4575 (unless (memq (cdr type) uncompressed)
4576 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
4578 (when (gnus-check-backend-function
4579 'request-set-mark gnus-newsgroup-name)
4580 ;; propagate flags to server, with the following exceptions:
4581 ;; uncompressed:s are not proper flags (they are cons cells)
4582 ;; cache is a internal gnus flag
4583 ;; download are local to one gnus installation (well)
4584 ;; unsend are for nndraft groups only
4585 ;; xxx: generality of this? this suits nnimap anyway
4586 (unless (memq (cdr type) (append '(cache download unsend)
4588 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
4589 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
4590 (add (gnus-remove-from-range
4591 (gnus-copy-sequence list) old)))
4593 (push (list add 'add (list (cdr type))) delta-marks))
4595 (push (list del 'del (list (cdr type))) delta-marks)))))
4598 (push (cons (cdr type) list) newmarked)))
4601 (unless (gnus-check-group gnus-newsgroup-name)
4602 (error "Can't open server for %s" gnus-newsgroup-name))
4603 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
4605 ;; Enter these new marks into the info of the group.
4607 (setcar (nthcdr 3 info) newmarked)
4608 ;; Add the marks lists to the end of the info.
4610 (setcdr (nthcdr 2 info) (list newmarked))))
4612 ;; Cut off the end of the info if there's nothing else there.
4616 (when (nthcdr (decf i) info)
4617 (setcdr (nthcdr i info) nil)))))))
4619 (defun gnus-set-mode-line (where)
4620 "Set the mode line of the article or summary buffers.
4621 If WHERE is `summary', the summary mode line format will be used."
4622 ;; Is this mode line one we keep updated?
4623 (when (and (memq where gnus-updated-mode-lines)
4625 (intern (format "gnus-%s-mode-line-format-spec" where))))
4628 ;; We evaluate this in the summary buffer since these
4629 ;; variables are buffer-local to that buffer.
4630 (set-buffer gnus-summary-buffer)
4631 ;; We bind all these variables that are used in the `eval' form
4633 (let* ((mformat (symbol-value
4635 (format "gnus-%s-mode-line-format-spec" where))))
4636 (gnus-tmp-group-name (gnus-group-name-decode
4638 (gnus-group-name-charset
4640 gnus-newsgroup-name)))
4641 (gnus-tmp-article-number (or gnus-current-article 0))
4642 (gnus-tmp-unread gnus-newsgroup-unreads)
4643 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4644 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4645 (gnus-tmp-unread-and-unselected
4646 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4647 (zerop gnus-tmp-unselected))
4649 ((zerop gnus-tmp-unselected)
4650 (format "{%d more}" gnus-tmp-unread-and-unticked))
4651 (t (format "{%d(+%d) more}"
4652 gnus-tmp-unread-and-unticked
4653 gnus-tmp-unselected))))
4655 (if (and gnus-current-headers
4656 (vectorp gnus-current-headers))
4657 (gnus-mode-string-quote
4658 (mail-header-subject gnus-current-headers))
4660 bufname-length max-len
4661 gnus-tmp-header);; passed as argument to any user-format-funcs
4662 (setq mode-string (eval mformat))
4663 (setq bufname-length (if (string-match "%b" mode-string)
4666 (if (eq where 'summary)
4668 (get-buffer gnus-article-buffer))))
4671 (setq max-len (max 4 (if gnus-mode-non-string-length
4673 gnus-mode-non-string-length
4675 (length mode-string))))
4676 ;; We might have to chop a bit of the string off...
4677 (when (> (length mode-string) max-len)
4679 (concat (truncate-string-to-width mode-string (- max-len 3))
4681 ;; Pad the mode string a bit.
4682 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4683 ;; Update the mode line.
4684 (setq mode-line-buffer-identification
4685 (gnus-mode-line-buffer-identification (list mode-string)))
4686 (set-buffer-modified-p t))))
4688 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4689 "Go through the HEADERS list and add all Xrefs to a hash table.
4690 The resulting hash table is returned, or nil if no Xrefs were found."
4691 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4692 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4693 (xref-hashtb (gnus-make-hashtable))
4694 start group entry number xrefs header)
4696 (setq header (pop headers))
4697 (when (and (setq xrefs (mail-header-xref header))
4698 (not (memq (setq number (mail-header-number header))
4701 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4702 (setq start (match-end 0))
4703 (setq group (if prefix
4704 (concat prefix (substring xrefs (match-beginning 1)
4706 (substring xrefs (match-beginning 1) (match-end 1))))
4708 (string-to-int (substring xrefs (match-beginning 2)
4710 (if (setq entry (gnus-gethash group xref-hashtb))
4711 (setcdr entry (cons number (cdr entry)))
4712 (gnus-sethash group (cons number nil) xref-hashtb)))))
4713 (and start xref-hashtb)))
4715 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4716 "Look through all the headers and mark the Xrefs as read."
4717 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4718 name entry info xref-hashtb idlist method nth4)
4720 (set-buffer gnus-group-buffer)
4721 (when (setq xref-hashtb
4722 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4725 (unless (string= from-newsgroup (setq name (symbol-name group)))
4726 (setq idlist (symbol-value group))
4727 ;; Dead groups are not updated.
4729 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4731 (when (stringp (setq nth4 (gnus-info-method info)))
4732 (setq nth4 (gnus-server-to-method nth4))))
4733 ;; Only do the xrefs if the group has the same
4734 ;; select method as the group we have just read.
4735 (or (gnus-methods-equal-p
4736 nth4 (gnus-find-method-for-group from-newsgroup))
4738 (equal nth4 (setq method (gnus-find-method-for-group
4740 (and (equal (car nth4) (car method))
4741 (equal (nth 1 nth4) (nth 1 method))))
4742 gnus-use-cross-reference
4743 (or (not (eq gnus-use-cross-reference t))
4745 ;; Only do cross-references on subscribed
4746 ;; groups, if that is what is wanted.
4747 (<= (gnus-info-level info) gnus-level-subscribed))
4748 (gnus-group-make-articles-read name idlist))))
4751 (defun gnus-compute-read-articles (group articles)
4752 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4753 (info (nth 2 entry))
4754 (active (gnus-active group))
4757 ;; First peel off all invalid article numbers.
4759 (let ((ids articles)
4761 (while (setq id (pop ids))
4762 (when (and first (> id (cdr active)))
4763 ;; We'll end up in this situation in one particular
4764 ;; obscure situation. If you re-scan a group and get
4765 ;; a new article that is cross-posted to a different
4766 ;; group that has not been re-scanned, you might get
4767 ;; crossposted article that has a higher number than
4768 ;; Gnus believes possible. So we re-activate this
4769 ;; group as well. This might mean doing the
4770 ;; crossposting thingy will *increase* the number
4771 ;; of articles in some groups. Tsk, tsk.
4772 (setq active (or (gnus-activate-group group) active)))
4773 (when (or (> id (cdr active))
4774 (< id (car active)))
4775 (setq articles (delq id articles))))))
4776 ;; If the read list is nil, we init it.
4778 (null (gnus-info-read info))
4780 (setq ninfo (cons 1 (1- (car active))))
4781 (setq ninfo (gnus-info-read info)))
4782 ;; Then we add the read articles to the range.
4784 ninfo (setq articles (sort articles '<))))))
4786 (defun gnus-group-make-articles-read (group articles)
4787 "Update the info of GROUP to say that ARTICLES are read."
4789 (entry (gnus-gethash group gnus-newsrc-hashtb))
4790 (info (nth 2 entry))
4791 (active (gnus-active group))
4794 (setq range (gnus-compute-read-articles group articles))
4796 (set-buffer gnus-group-buffer)
4799 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4800 (gnus-info-set-read ',info ',(gnus-info-read info))
4801 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4802 (gnus-group-update-group ,group t))))
4803 ;; Add the read articles to the range.
4804 (gnus-info-set-read info range)
4805 ;; Then we have to re-compute how many unread
4806 ;; articles there are in this group.
4810 (setq num (- (1+ (cdr active)) (car active))))
4811 ((not (listp (cdr range)))
4812 (setq num (- (cdr active) (- (1+ (cdr range))
4816 (if (numberp (car range))
4818 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4819 (setq range (cdr range)))
4820 (setq num (- (cdr active) num))))
4821 ;; Update the number of unread articles.
4823 ;; Update the group buffer.
4824 (gnus-group-update-group group t)))))
4826 (defvar gnus-newsgroup-none-id 0)
4828 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4829 (let ((cur nntp-server-buffer)
4832 (save-excursion (set-buffer gnus-summary-buffer)
4833 gnus-newsgroup-dependencies)))
4835 (mail-parse-charset gnus-newsgroup-charset)
4836 (mail-parse-ignored-charsets
4837 (save-excursion (condition-case nil
4838 (set-buffer gnus-summary-buffer)
4840 gnus-newsgroup-ignored-charsets)))
4842 (set-buffer nntp-server-buffer)
4843 ;; Translate all TAB characters into SPACE characters.
4844 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4845 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4846 (gnus-run-hooks 'gnus-parse-headers-hook)
4847 (let ((case-fold-search t)
4848 in-reply-to header p lines chars)
4849 (goto-char (point-min))
4850 ;; Search to the beginning of the next header. Error messages
4851 ;; do not begin with 2 or 3.
4852 (while (re-search-forward "^[23][0-9]+ " nil t)
4855 ;; This implementation of this function, with nine
4856 ;; search-forwards instead of the one re-search-forward and
4857 ;; a case (which basically was the old function) is actually
4858 ;; about twice as fast, even though it looks messier. You
4859 ;; can't have everything, I guess. Speed and elegance
4860 ;; doesn't always go hand in hand.
4869 (narrow-to-region (point)
4870 (or (and (search-forward "\n.\n" nil t)
4876 (if (search-forward "\nsubject: " nil t)
4877 (funcall gnus-decode-encoded-word-function
4878 (nnheader-header-value))
4883 (if (or (search-forward "\nfrom: " nil t)
4884 (search-forward "\nfrom:" nil t))
4885 (funcall gnus-decode-encoded-word-function
4886 (nnheader-header-value))
4891 (if (search-forward "\ndate: " nil t)
4892 (nnheader-header-value) ""))
4896 (setq id (if (re-search-forward
4897 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4898 ;; We do it this way to make sure the Message-ID
4899 ;; is (somewhat) syntactically valid.
4900 (buffer-substring (match-beginning 1)
4902 ;; If there was no message-id, we just fake one
4903 ;; to make subsequent routines simpler.
4904 (nnheader-generate-fake-message-id))))
4908 (if (search-forward "\nreferences: " nil t)
4912 (nnheader-header-value)
4917 (search-backward ">" end t)
4920 (search-backward "<" end t)
4922 ;; Get the references from the in-reply-to header if there
4923 ;; were no references and the in-reply-to header looks
4925 (if (and (search-forward "\nin-reply-to: " nil t)
4926 (setq in-reply-to (nnheader-header-value))
4927 (string-match "<[^>]+>" in-reply-to))
4929 (setq ref (substring in-reply-to (match-beginning 0)
4931 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4932 (setq ref2 (substring in-reply-to (match-beginning 0)
4934 (when (> (length ref2) (length ref))
4941 (if (search-forward "\nchars: " nil t)
4942 (if (numberp (setq chars (ignore-errors (read cur))))
4948 (if (search-forward "\nlines: " nil t)
4949 (if (numberp (setq lines (ignore-errors (read cur))))
4955 (and (search-forward "\nxref: " nil t)
4956 (nnheader-header-value)))
4958 (when gnus-extra-headers
4959 (let ((extra gnus-extra-headers)
4963 (when (search-forward
4964 (concat "\n" (symbol-name (car extra)) ": ") nil t)
4965 (push (cons (car extra) (nnheader-header-value))
4969 (when (equal id ref)
4972 (when gnus-alter-header-function
4973 (funcall gnus-alter-header-function header)
4974 (setq id (mail-header-id header)
4975 ref (gnus-parent-id (mail-header-references header))))
4978 (gnus-dependencies-add-header
4979 header dependencies force-new))
4980 (push header headers))
4981 (goto-char (point-max))
4983 (nreverse headers)))))
4985 ;; Goes through the xover lines and returns a list of vectors
4986 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4987 force-new dependencies
4988 group also-fetch-heads)
4989 "Parse the news overview data in the server buffer.
4990 Return a list of headers that match SEQUENCE (see
4991 `nntp-retrieve-headers')."
4992 ;; Get the Xref when the users reads the articles since most/some
4993 ;; NNTP servers do not include Xrefs when using XOVER.
4994 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4995 (let ((mail-parse-charset gnus-newsgroup-charset)
4996 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
4997 (cur nntp-server-buffer)
4998 (dependencies (or dependencies gnus-newsgroup-dependencies))
4999 number headers header)
5001 (set-buffer nntp-server-buffer)
5002 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5003 ;; Allow the user to mangle the headers before parsing them.
5004 (gnus-run-hooks 'gnus-parse-headers-hook)
5005 (goto-char (point-min))
5008 (while (and sequence (not (eobp)))
5009 (setq number (read cur))
5010 (while (and sequence
5011 (< (car sequence) number))
5012 (setq sequence (cdr sequence)))
5014 (eq number (car sequence))
5016 (setq sequence (cdr sequence))
5017 (setq header (inline
5018 (gnus-nov-parse-line
5019 number dependencies force-new))))
5020 (push header headers))
5023 (gnus-error 4 "Strange nov line (%d)"
5024 (count-lines (point-min) (point)))))
5026 ;; A common bug in inn is that if you have posted an article and
5027 ;; then retrieves the active file, it will answer correctly --
5028 ;; the new article is included. However, a NOV entry for the
5029 ;; article may not have been generated yet, so this may fail.
5030 ;; We work around this problem by retrieving the last few
5031 ;; headers using HEAD.
5032 (if (or (not also-fetch-heads)
5034 ;; We (probably) got all the headers.
5036 (let ((gnus-nov-is-evil t))
5039 (when (gnus-retrieve-headers sequence group)
5040 (gnus-get-newsgroup-headers))))))))
5042 (defun gnus-article-get-xrefs ()
5043 "Fill in the Xref value in `gnus-current-headers', if necessary.
5044 This is meant to be called in `gnus-article-internal-prepare-hook'."
5045 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5046 gnus-current-headers)))
5047 (or (not gnus-use-cross-reference)
5049 (and (mail-header-xref headers)
5050 (not (string= (mail-header-xref headers) "")))
5051 (let ((case-fold-search t)
5054 (nnheader-narrow-to-headers)
5055 (goto-char (point-min))
5056 (when (or (and (not (eobp))
5057 (eq (downcase (char-after)) ?x)
5058 (looking-at "Xref:"))
5059 (search-forward "\nXref:" nil t))
5060 (goto-char (1+ (match-end 0)))
5061 (setq xref (buffer-substring (point)
5062 (progn (end-of-line) (point))))
5063 (mail-header-set-xref headers xref)))))))
5065 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5066 "Find article ID and insert the summary line for that article.
5067 OLD-HEADER can either be a header or a line number to insert
5068 the subject line on."
5069 (let* ((line (and (numberp old-header) old-header))
5070 (old-header (and (vectorp old-header) old-header))
5071 (header (cond ((and old-header use-old-header)
5074 (gnus-number-to-header id))
5075 (gnus-number-to-header id))
5077 (gnus-read-header id))))
5078 (number (and (numberp id) id))
5081 ;; Rebuild the thread that this article is part of and go to the
5082 ;; article we have fetched.
5083 (when (and (not gnus-show-threads)
5086 (setq d (gnus-data-find (mail-header-number old-header))))
5087 (goto-char (gnus-data-pos d))
5090 (- (gnus-point-at-bol)
5092 (1+ (gnus-point-at-eol))
5093 (gnus-delete-line))))))
5095 (mail-header-set-number header (mail-header-number old-header)))
5096 (setq gnus-newsgroup-sparse
5097 (delq (setq number (mail-header-number header))
5098 gnus-newsgroup-sparse))
5099 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5100 (push number gnus-newsgroup-limit)
5101 (gnus-rebuild-thread (mail-header-id header) line)
5102 (gnus-summary-goto-subject number nil t))
5103 (when (and (numberp number)
5105 ;; We have to update the boundaries even if we can't fetch the
5106 ;; article if ID is a number -- so that the next `P' or `N'
5107 ;; command will fetch the previous (or next) article even
5108 ;; if the one we tried to fetch this time has been canceled.
5109 (when (> number gnus-newsgroup-end)
5110 (setq gnus-newsgroup-end number))
5111 (when (< number gnus-newsgroup-begin)
5112 (setq gnus-newsgroup-begin number))
5113 (setq gnus-newsgroup-unselected
5114 (delq number gnus-newsgroup-unselected)))
5115 ;; Report back a success?
5116 (and header (mail-header-number header))))
5118 ;;; Process/prefix in the summary buffer
5120 (defun gnus-summary-work-articles (n)
5121 "Return a list of articles to be worked upon.
5122 The prefix argument, the list of process marked articles, and the
5123 current article will be taken into consideration."
5125 (set-buffer gnus-summary-buffer)
5128 ;; A numerical prefix has been given.
5129 (setq n (prefix-numeric-value n))
5130 (let ((backward (< n 0))
5131 (n (abs (prefix-numeric-value n)))
5136 (push (setq article (gnus-summary-article-number))
5139 (gnus-summary-find-prev nil article)
5140 (gnus-summary-find-next nil article)))
5142 (nreverse articles)))
5143 ((and (gnus-region-active-p) (mark))
5144 (message "region active")
5145 ;; Work on the region between point and mark.
5146 (let ((max (max (point) (mark)))
5149 (goto-char (min (min (point) (mark))))
5152 (push (setq article (gnus-summary-article-number)) articles)
5153 (gnus-summary-find-next nil article)
5155 (nreverse articles))))
5156 (gnus-newsgroup-processable
5157 ;; There are process-marked articles present.
5158 ;; Save current state.
5159 (gnus-summary-save-process-mark)
5161 (reverse gnus-newsgroup-processable))
5163 ;; Just return the current article.
5164 (list (gnus-summary-article-number))))))
5166 (defmacro gnus-summary-iterate (arg &rest forms)
5167 "Iterate over the process/prefixed articles and do FORMS.
5168 ARG is the interactive prefix given to the command. FORMS will be
5169 executed with point over the summary line of the articles."
5170 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5171 `(let ((,articles (gnus-summary-work-articles ,arg)))
5173 (gnus-summary-goto-subject (car ,articles))
5177 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5178 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5180 (defun gnus-summary-save-process-mark ()
5181 "Push the current set of process marked articles on the stack."
5183 (push (copy-sequence gnus-newsgroup-processable)
5184 gnus-newsgroup-process-stack))
5186 (defun gnus-summary-kill-process-mark ()
5187 "Push the current set of process marked articles on the stack and unmark."
5189 (gnus-summary-save-process-mark)
5190 (gnus-summary-unmark-all-processable))
5192 (defun gnus-summary-yank-process-mark ()
5193 "Pop the last process mark state off the stack and restore it."
5195 (unless gnus-newsgroup-process-stack
5196 (error "Empty mark stack"))
5197 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5199 (defun gnus-summary-process-mark-set (set)
5200 "Make SET into the current process marked articles."
5201 (gnus-summary-unmark-all-processable)
5203 (gnus-summary-set-process-mark (pop set))))
5205 ;;; Searching and stuff
5207 (defun gnus-summary-search-group (&optional backward use-level)
5208 "Search for next unread newsgroup.
5209 If optional argument BACKWARD is non-nil, search backward instead."
5211 (set-buffer gnus-group-buffer)
5212 (when (gnus-group-search-forward
5213 backward nil (if use-level (gnus-group-group-level) nil))
5214 (gnus-group-group-name))))
5216 (defun gnus-summary-best-group (&optional exclude-group)
5217 "Find the name of the best unread group.
5218 If EXCLUDE-GROUP, do not go to this group."
5220 (set-buffer gnus-group-buffer)
5222 (gnus-group-best-unread-group exclude-group))))
5224 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5225 (if backward (gnus-summary-find-prev)
5226 (let* ((dummy (gnus-summary-article-intangible-p))
5227 (article (or article (gnus-summary-article-number)))
5228 (arts (gnus-data-find-list article))
5230 (when (and (not dummy)
5231 (or (not gnus-summary-check-current)
5233 (not (gnus-data-unread-p (car arts)))))
5234 (setq arts (cdr arts)))
5239 (when (or (and undownloaded
5240 (eq gnus-undownloaded-mark
5241 (gnus-data-mark (car arts))))
5242 (gnus-data-unread-p (car arts)))
5243 (setq result (car arts)
5245 (setq arts (cdr arts)))
5248 (goto-char (gnus-data-pos result))
5249 (gnus-data-number result)))))
5251 (defun gnus-summary-find-prev (&optional unread article)
5252 (let* ((eobp (eobp))
5253 (article (or article (gnus-summary-article-number)))
5254 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
5256 (when (and (not eobp)
5257 (or (not gnus-summary-check-current)
5259 (not (gnus-data-unread-p (car arts)))))
5260 (setq arts (cdr arts)))
5265 (when (gnus-data-unread-p (car arts))
5266 (setq result (car arts)
5268 (setq arts (cdr arts)))
5271 (goto-char (gnus-data-pos result))
5272 (gnus-data-number result))))
5274 (defun gnus-summary-find-subject (subject &optional unread backward article)
5275 (let* ((simp-subject (gnus-simplify-subject-fully subject))
5276 (article (or article (gnus-summary-article-number)))
5277 (articles (gnus-data-list backward))
5278 (arts (gnus-data-find-list article articles))
5280 (when (or (not gnus-summary-check-current)
5282 (not (gnus-data-unread-p (car arts))))
5283 (setq arts (cdr arts)))
5285 (and (or (not unread)
5286 (gnus-data-unread-p (car arts)))
5287 (vectorp (gnus-data-header (car arts)))
5289 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5290 (setq result (car arts)
5292 (setq arts (cdr arts)))
5294 (goto-char (gnus-data-pos result))
5295 (gnus-data-number result))))
5297 (defun gnus-summary-search-forward (&optional unread subject backward)
5298 "Search forward for an article.
5299 If UNREAD, look for unread articles. If SUBJECT, look for
5300 articles with that subject. If BACKWARD, search backward instead."
5301 (cond (subject (gnus-summary-find-subject subject unread backward))
5302 (backward (gnus-summary-find-prev unread))
5303 (t (gnus-summary-find-next unread))))
5305 (defun gnus-recenter (&optional n)
5306 "Center point in window and redisplay frame.
5307 Also do horizontal recentering."
5309 (when (and gnus-auto-center-summary
5310 (not (eq gnus-auto-center-summary 'vertical)))
5311 (gnus-horizontal-recenter))
5314 (defun gnus-summary-recenter ()
5315 "Center point in the summary window.
5316 If `gnus-auto-center-summary' is nil, or the article buffer isn't
5317 displayed, no centering will be performed."
5318 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
5319 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
5321 (let* ((top (cond ((< (window-height) 4) 0)
5322 ((< (window-height) 7) 1)
5323 (t (if (numberp gnus-auto-center-summary)
5324 gnus-auto-center-summary
5326 (height (1- (window-height)))
5327 (bottom (save-excursion (goto-char (point-max))
5328 (forward-line (- height))
5330 (window (get-buffer-window (current-buffer))))
5331 ;; The user has to want it.
5332 (when gnus-auto-center-summary
5333 (when (get-buffer-window gnus-article-buffer)
5334 ;; Only do recentering when the article buffer is displayed,
5335 ;; Set the window start to either `bottom', which is the biggest
5336 ;; possible valid number, or the second line from the top,
5337 ;; whichever is the least.
5338 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
5339 (if (> bottom top-pos)
5340 ;; Keep the second line from the top visible
5341 (set-window-start window top-pos t)
5342 ;; Try to keep the bottom line visible; if it's partially
5343 ;; obscured, either scroll one more line to make it fully
5344 ;; visible, or revert to using TOP-POS.
5346 (goto-char (point-max))
5348 (let ((last-line-start (point)))
5350 (set-window-start window (point) t)
5351 (when (not (pos-visible-in-window-p last-line-start window))
5353 (set-window-start window (min (point) top-pos) t)))))))
5354 ;; Do horizontal recentering while we're at it.
5355 (when (and (get-buffer-window (current-buffer) t)
5356 (not (eq gnus-auto-center-summary 'vertical)))
5357 (let ((selected (selected-window)))
5358 (select-window (get-buffer-window (current-buffer) t))
5359 (gnus-summary-position-point)
5360 (gnus-horizontal-recenter)
5361 (select-window selected))))))
5363 (defun gnus-summary-jump-to-group (newsgroup)
5364 "Move point to NEWSGROUP in group mode buffer."
5365 ;; Keep update point of group mode buffer if visible.
5366 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
5367 (save-window-excursion
5368 ;; Take care of tree window mode.
5369 (when (get-buffer-window gnus-group-buffer)
5370 (pop-to-buffer gnus-group-buffer))
5371 (gnus-group-jump-to-group newsgroup))
5373 ;; Take care of tree window mode.
5374 (if (get-buffer-window gnus-group-buffer)
5375 (pop-to-buffer gnus-group-buffer)
5376 (set-buffer gnus-group-buffer))
5377 (gnus-group-jump-to-group newsgroup))))
5379 ;; This function returns a list of article numbers based on the
5380 ;; difference between the ranges of read articles in this group and
5381 ;; the range of active articles.
5382 (defun gnus-list-of-unread-articles (group)
5383 (let* ((read (gnus-info-read (gnus-get-info group)))
5384 (active (or (gnus-active group) (gnus-activate-group group)))
5387 ;; If none are read, then all are unread.
5389 (setq first (car active))
5390 ;; If the range of read articles is a single range, then the
5391 ;; first unread article is the article after the last read
5392 ;; article. Sounds logical, doesn't it?
5393 (if (and (not (listp (cdr read)))
5394 (or (< (car read) (car active))
5395 (progn (setq read (list read))
5397 (setq first (max (car active) (1+ (cdr read))))
5398 ;; `read' is a list of ranges.
5399 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
5402 (setq first (car active)))
5405 (while (< first nlast)
5407 (setq first (1+ first))))
5408 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
5409 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
5410 (setq read (cdr read)))))
5411 ;; And add the last unread articles.
5412 (while (<= first last)
5414 (setq first (1+ first)))
5415 ;; Return the list of unread articles.
5416 (delq 0 (nreverse unread))))
5418 (defun gnus-list-of-read-articles (group)
5419 "Return a list of unread, unticked and non-dormant articles."
5420 (let* ((info (gnus-get-info group))
5421 (marked (gnus-info-marks info))
5422 (active (gnus-active group)))
5424 (gnus-set-difference
5425 (gnus-sorted-complement
5426 (gnus-uncompress-range active)
5427 (gnus-list-of-unread-articles group))
5429 (gnus-uncompress-range (cdr (assq 'dormant marked)))
5430 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
5432 ;; Various summary commands
5434 (defun gnus-summary-select-article-buffer ()
5435 "Reconfigure windows to show article buffer."
5437 (if (not (gnus-buffer-live-p gnus-article-buffer))
5438 (error "There is no article buffer for this summary buffer")
5439 (gnus-configure-windows 'article)
5440 (select-window (get-buffer-window gnus-article-buffer))))
5442 (defun gnus-summary-universal-argument (arg)
5443 "Perform any operation on all articles that are process/prefixed."
5445 (let ((articles (gnus-summary-work-articles arg))
5452 (substitute-command-keys
5453 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
5455 (gnus-error 1 "Undefined key")
5458 (gnus-summary-goto-subject (setq article (pop articles)))
5459 (let (gnus-newsgroup-processable)
5460 (command-execute func))
5461 (gnus-summary-remove-process-mark article)))))
5462 (gnus-summary-position-point))
5464 (defun gnus-summary-toggle-truncation (&optional arg)
5465 "Toggle truncation of summary lines.
5466 With arg, turn line truncation on iff arg is positive."
5468 (setq truncate-lines
5469 (if (null arg) (not truncate-lines)
5470 (> (prefix-numeric-value arg) 0)))
5473 (defun gnus-summary-reselect-current-group (&optional all rescan)
5474 "Exit and then reselect the current newsgroup.
5475 The prefix argument ALL means to select all articles."
5477 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5478 (error "Ephemeral groups can't be reselected"))
5479 (let ((current-subject (gnus-summary-article-number))
5480 (group gnus-newsgroup-name))
5481 (setq gnus-newsgroup-begin nil)
5483 ;; We have to adjust the point of group mode buffer because
5484 ;; point was moved to the next unread newsgroup by exiting.
5485 (gnus-summary-jump-to-group group)
5488 (gnus-group-get-new-news-this-group 1)))
5489 (gnus-group-read-group all t)
5490 (gnus-summary-goto-subject current-subject nil t)))
5492 (defun gnus-summary-rescan-group (&optional all)
5493 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5495 (gnus-summary-reselect-current-group all t))
5497 (defun gnus-summary-update-info (&optional non-destructive)
5499 (let ((group gnus-newsgroup-name))
5501 (when gnus-newsgroup-kill-headers
5502 (setq gnus-newsgroup-killed
5503 (gnus-compress-sequence
5505 (gnus-set-sorted-intersection
5506 (gnus-uncompress-range gnus-newsgroup-killed)
5507 (setq gnus-newsgroup-unselected
5508 (sort gnus-newsgroup-unselected '<)))
5509 (setq gnus-newsgroup-unreads
5510 (sort gnus-newsgroup-unreads '<)))
5512 (unless (listp (cdr gnus-newsgroup-killed))
5513 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5514 (let ((headers gnus-newsgroup-headers))
5515 ;; Set the new ranges of read articles.
5517 (set-buffer gnus-group-buffer)
5518 (gnus-undo-force-boundary))
5519 (gnus-update-read-articles
5520 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5521 ;; Set the current article marks.
5522 (let ((gnus-newsgroup-scored
5523 (if (and (not gnus-save-score)
5524 (not non-destructive))
5526 gnus-newsgroup-scored)))
5528 (gnus-update-marks)))
5529 ;; Do the cross-ref thing.
5530 (when gnus-use-cross-reference
5531 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5532 ;; Do not switch windows but change the buffer to work.
5533 (set-buffer gnus-group-buffer)
5534 (unless (gnus-ephemeral-group-p group)
5535 (gnus-group-update-group group)))))))
5537 (defun gnus-summary-save-newsrc (&optional force)
5538 "Save the current number of read/marked articles in the dribble buffer.
5539 The dribble buffer will then be saved.
5540 If FORCE (the prefix), also save the .newsrc file(s)."
5542 (gnus-summary-update-info t)
5544 (gnus-save-newsrc-file)
5545 (gnus-dribble-save)))
5547 (defun gnus-summary-exit (&optional temporary)
5548 "Exit reading current newsgroup, and then return to group selection mode.
5549 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
5551 (gnus-set-global-variables)
5552 (when (gnus-buffer-live-p gnus-article-buffer)
5554 (set-buffer gnus-article-buffer)
5555 (mm-destroy-parts gnus-article-mime-handles)
5556 ;; Set it to nil for safety reason.
5557 (setq gnus-article-mime-handle-alist nil)
5558 (setq gnus-article-mime-handles nil)))
5559 (gnus-kill-save-kill-buffer)
5560 (gnus-async-halt-prefetch)
5561 (let* ((group gnus-newsgroup-name)
5562 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5565 (buf (current-buffer)))
5567 ;; Do adaptive scoring, and possibly save score files.
5568 (when gnus-newsgroup-adaptive
5569 (gnus-score-adaptive))
5570 (when gnus-use-scoring
5572 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5573 ;; If we have several article buffers, we kill them at exit.
5574 (unless gnus-single-article-buffer
5575 (gnus-kill-buffer gnus-original-article-buffer)
5576 (setq gnus-article-current nil))
5577 (when gnus-use-cache
5578 (gnus-cache-possibly-remove-articles)
5579 (gnus-cache-save-buffers))
5580 (gnus-async-prefetch-remove-group group)
5581 (when gnus-suppress-duplicates
5582 (gnus-dup-enter-articles))
5583 (when gnus-use-trees
5584 (gnus-tree-close group))
5585 (when gnus-use-cache
5586 (gnus-cache-write-active))
5587 ;; Remove entries for this group.
5588 (nnmail-purge-split-history (gnus-group-real-name group))
5589 ;; Make all changes in this group permanent.
5591 (gnus-run-hooks 'gnus-exit-group-hook)
5592 (gnus-summary-update-info))
5593 (gnus-close-group group)
5594 ;; Make sure where we were, and go to next newsgroup.
5595 (set-buffer gnus-group-buffer)
5597 (gnus-group-jump-to-group group))
5598 (gnus-run-hooks 'gnus-summary-exit-hook)
5599 (unless (or quit-config
5600 ;; If this group has disappeared from the summary
5601 ;; buffer, don't skip forwards.
5602 (not (string= group (gnus-group-group-name))))
5603 (gnus-group-next-unread-group 1))
5604 (setq group-point (point))
5607 ;; If we have several article buffers, we kill them at exit.
5608 (unless gnus-single-article-buffer
5609 (gnus-kill-buffer gnus-article-buffer)
5610 (gnus-kill-buffer gnus-original-article-buffer)
5611 (setq gnus-article-current nil))
5613 (if (not gnus-kill-summary-on-exit)
5614 (gnus-deaden-summary)
5615 ;; We set all buffer-local variables to nil. It is unclear why
5616 ;; this is needed, but if we don't, buffer-local variables are
5617 ;; not garbage-collected, it seems. This would the lead to en
5618 ;; ever-growing Emacs.
5619 (gnus-summary-clear-local-variables)
5620 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
5621 (gnus-summary-clear-local-variables))
5622 (when (get-buffer gnus-article-buffer)
5623 (bury-buffer gnus-article-buffer))
5624 ;; We clear the global counterparts of the buffer-local
5625 ;; variables as well, just to be on the safe side.
5626 (set-buffer gnus-group-buffer)
5627 (gnus-summary-clear-local-variables)
5628 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
5629 (gnus-summary-clear-local-variables))
5630 ;; Return to group mode buffer.
5631 (when (eq mode 'gnus-summary-mode)
5632 (gnus-kill-buffer buf)))
5633 (setq gnus-current-select-method gnus-select-method)
5634 (pop-to-buffer gnus-group-buffer)
5635 (if (not quit-config)
5637 (goto-char group-point)
5638 (gnus-configure-windows 'group 'force))
5639 (gnus-handle-ephemeral-exit quit-config))
5640 ;; Clear the current group name.
5642 (setq gnus-newsgroup-name nil)))))
5644 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5645 (defun gnus-summary-exit-no-update (&optional no-questions)
5646 "Quit reading current newsgroup without updating read article info."
5648 (let* ((group gnus-newsgroup-name)
5649 (quit-config (gnus-group-quit-config group)))
5650 (when (or no-questions
5652 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5653 (gnus-async-halt-prefetch)
5655 (delq 'gnus-summary-expire-articles
5656 (copy-sequence gnus-summary-prepare-exit-hook)))
5657 (when (gnus-buffer-live-p gnus-article-buffer)
5659 (set-buffer gnus-article-buffer)
5660 (mm-destroy-parts gnus-article-mime-handles)
5661 ;; Set it to nil for safety reason.
5662 (setq gnus-article-mime-handle-alist nil)
5663 (setq gnus-article-mime-handles nil)))
5664 ;; If we have several article buffers, we kill them at exit.
5665 (unless gnus-single-article-buffer
5666 (gnus-kill-buffer gnus-article-buffer)
5667 (gnus-kill-buffer gnus-original-article-buffer)
5668 (setq gnus-article-current nil))
5669 (if (not gnus-kill-summary-on-exit)
5670 (gnus-deaden-summary)
5671 (gnus-close-group group)
5672 (gnus-summary-clear-local-variables)
5673 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
5674 (gnus-summary-clear-local-variables))
5675 (set-buffer gnus-group-buffer)
5676 (gnus-summary-clear-local-variables)
5677 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
5678 (gnus-summary-clear-local-variables))
5679 (when (get-buffer gnus-summary-buffer)
5680 (kill-buffer gnus-summary-buffer)))
5681 (unless gnus-single-article-buffer
5682 (setq gnus-article-current nil))
5683 (when gnus-use-trees
5684 (gnus-tree-close group))
5685 (gnus-async-prefetch-remove-group group)
5686 (when (get-buffer gnus-article-buffer)
5687 (bury-buffer gnus-article-buffer))
5688 ;; Return to the group buffer.
5689 (gnus-configure-windows 'group 'force)
5690 ;; Clear the current group name.
5691 (setq gnus-newsgroup-name nil)
5692 (when (equal (gnus-group-group-name) group)
5693 (gnus-group-next-unread-group 1))
5695 (gnus-handle-ephemeral-exit quit-config)))))
5697 (defun gnus-handle-ephemeral-exit (quit-config)
5698 "Handle movement when leaving an ephemeral group.
5699 The state which existed when entering the ephemeral is reset."
5700 (if (not (buffer-name (car quit-config)))
5701 (gnus-configure-windows 'group 'force)
5702 (set-buffer (car quit-config))
5703 (cond ((eq major-mode 'gnus-summary-mode)
5704 (gnus-set-global-variables))
5705 ((eq major-mode 'gnus-article-mode)
5707 ;; The `gnus-summary-buffer' variable may point
5708 ;; to the old summary buffer when using a single
5710 (unless (gnus-buffer-live-p gnus-summary-buffer)
5711 (set-buffer gnus-group-buffer))
5712 (set-buffer gnus-summary-buffer)
5713 (gnus-set-global-variables))))
5714 (if (or (eq (cdr quit-config) 'article)
5715 (eq (cdr quit-config) 'pick))
5717 ;; The current article may be from the ephemeral group
5718 ;; thus it is best that we reload this article
5719 (gnus-summary-show-article)
5720 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5721 (gnus-configure-windows 'pick 'force)
5722 (gnus-configure-windows (cdr quit-config) 'force)))
5723 (gnus-configure-windows (cdr quit-config) 'force))
5724 (when (eq major-mode 'gnus-summary-mode)
5725 (gnus-summary-next-subject 1 nil t)
5726 (gnus-summary-recenter)
5727 (gnus-summary-position-point))))
5731 (defvar gnus-dead-summary-mode-map nil)
5733 (unless gnus-dead-summary-mode-map
5734 (setq gnus-dead-summary-mode-map (make-keymap))
5735 (suppress-keymap gnus-dead-summary-mode-map)
5736 (substitute-key-definition
5737 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5738 (let ((keys '("\C-d" "\r" "\177" [delete])))
5740 (define-key gnus-dead-summary-mode-map
5741 (pop keys) 'gnus-summary-wake-up-the-dead))))
5743 (defvar gnus-dead-summary-mode nil
5744 "Minor mode for Gnus summary buffers.")
5746 (defun gnus-dead-summary-mode (&optional arg)
5747 "Minor mode for Gnus summary buffers."
5749 (when (eq major-mode 'gnus-summary-mode)
5750 (make-local-variable 'gnus-dead-summary-mode)
5751 (setq gnus-dead-summary-mode
5752 (if (null arg) (not gnus-dead-summary-mode)
5753 (> (prefix-numeric-value arg) 0)))
5754 (when gnus-dead-summary-mode
5755 (gnus-add-minor-mode
5756 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5758 (defun gnus-deaden-summary ()
5759 "Make the current summary buffer into a dead summary buffer."
5760 ;; Kill any previous dead summary buffer.
5761 (when (and gnus-dead-summary
5762 (buffer-name gnus-dead-summary))
5764 (set-buffer gnus-dead-summary)
5765 (when gnus-dead-summary-mode
5766 (kill-buffer (current-buffer)))))
5767 ;; Make this the current dead summary.
5768 (setq gnus-dead-summary (current-buffer))
5769 (gnus-dead-summary-mode 1)
5770 (let ((name (buffer-name)))
5771 (when (string-match "Summary" name)
5773 (concat (substring name 0 (match-beginning 0)) "Dead "
5774 (substring name (match-beginning 0)))
5778 (defun gnus-kill-or-deaden-summary (buffer)
5779 "Kill or deaden the summary BUFFER."
5781 (when (and (buffer-name buffer)
5782 (not gnus-single-article-buffer))
5785 (gnus-kill-buffer gnus-article-buffer)
5786 (gnus-kill-buffer gnus-original-article-buffer)))
5787 (cond (gnus-kill-summary-on-exit
5788 (when (and gnus-use-trees
5789 (gnus-buffer-exists-p buffer))
5792 (gnus-tree-close gnus-newsgroup-name)))
5793 (gnus-kill-buffer buffer))
5794 ((gnus-buffer-exists-p buffer)
5797 (gnus-deaden-summary))))))
5799 (defun gnus-summary-wake-up-the-dead (&rest args)
5800 "Wake up the dead summary buffer."
5802 (gnus-dead-summary-mode -1)
5803 (let ((name (buffer-name)))
5804 (when (string-match "Dead " name)
5806 (concat (substring name 0 (match-beginning 0))
5807 (substring name (match-end 0)))
5809 (gnus-message 3 "This dead summary is now alive again"))
5811 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5812 (defun gnus-summary-fetch-faq (&optional faq-dir)
5813 "Fetch the FAQ for the current group.
5814 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5818 (when current-prefix-arg
5820 "Faq dir: " (and (listp gnus-group-faq-directory)
5821 (mapcar (lambda (file) (list file))
5822 gnus-group-faq-directory))))))
5823 (let (gnus-faq-buffer)
5824 (when (setq gnus-faq-buffer
5825 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5826 (gnus-configure-windows 'summary-faq))))
5828 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5829 (defun gnus-summary-describe-group (&optional force)
5830 "Describe the current newsgroup."
5832 (gnus-group-describe-group force gnus-newsgroup-name))
5834 (defun gnus-summary-describe-briefly ()
5835 "Describe summary mode commands briefly."
5837 (gnus-message 6 (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")))
5839 ;; Walking around group mode buffer from summary mode.
5841 (defun gnus-summary-next-group (&optional no-article target-group backward)
5842 "Exit current newsgroup and then select next unread newsgroup.
5843 If prefix argument NO-ARTICLE is non-nil, no article is selected
5844 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5845 previous group instead."
5847 ;; Stop pre-fetching.
5848 (gnus-async-halt-prefetch)
5849 (let ((current-group gnus-newsgroup-name)
5850 (current-buffer (current-buffer))
5852 ;; First we semi-exit this group to update Xrefs and all variables.
5853 ;; We can't do a real exit, because the window conf must remain
5854 ;; the same in case the user is prompted for info, and we don't
5855 ;; want the window conf to change before that...
5856 (gnus-summary-exit t)
5857 (while (not entered)
5858 ;; Then we find what group we are supposed to enter.
5859 (set-buffer gnus-group-buffer)
5860 (gnus-group-jump-to-group current-group)
5863 (if (eq gnus-keep-same-level 'best)
5864 (gnus-summary-best-group gnus-newsgroup-name)
5865 (gnus-summary-search-group backward gnus-keep-same-level))))
5866 (if (not target-group)
5867 ;; There are no further groups, so we return to the group
5870 (gnus-message 5 "Returning to the group buffer")
5872 (when (gnus-buffer-live-p current-buffer)
5873 (set-buffer current-buffer)
5874 (gnus-summary-exit))
5875 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5876 ;; We try to enter the target group.
5877 (gnus-group-jump-to-group target-group)
5878 (let ((unreads (gnus-group-group-unread)))
5879 (if (and (or (eq t unreads)
5880 (and unreads (not (zerop unreads))))
5881 (gnus-summary-read-group
5882 target-group nil no-article
5883 (and (buffer-name current-buffer) current-buffer)
5886 (setq current-group target-group
5887 target-group nil)))))))
5889 (defun gnus-summary-prev-group (&optional no-article)
5890 "Exit current newsgroup and then select previous unread newsgroup.
5891 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5893 (gnus-summary-next-group no-article nil t))
5895 ;; Walking around summary lines.
5897 (defun gnus-summary-first-subject (&optional unread undownloaded)
5898 "Go to the first unread subject.
5899 If UNREAD is non-nil, go to the first unread article.
5900 Returns the article selected or nil if there are no unread articles."
5905 ((null gnus-newsgroup-data)
5906 (gnus-message 3 "No articles in the group")
5908 ;; Pick the first article.
5910 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5911 (gnus-data-number (car gnus-newsgroup-data)))
5912 ;; No unread articles.
5913 ((null gnus-newsgroup-unreads)
5914 (gnus-message 3 "No more unread articles")
5916 ;; Find the first unread article.
5918 (let ((data gnus-newsgroup-data))
5920 (and (not (and undownloaded
5921 (eq gnus-undownloaded-mark
5922 (gnus-data-mark (car data)))))
5923 (not (gnus-data-unread-p (car data)))))
5924 (setq data (cdr data)))
5926 (goto-char (gnus-data-pos (car data)))
5927 (gnus-data-number (car data))))))
5928 (gnus-summary-position-point)))
5930 (defun gnus-summary-next-subject (n &optional unread dont-display)
5931 "Go to next N'th summary line.
5932 If N is negative, go to the previous N'th subject line.
5933 If UNREAD is non-nil, only unread articles are selected.
5934 The difference between N and the actual number of steps taken is
5937 (let ((backward (< n 0))
5941 (gnus-summary-find-prev unread)
5942 (gnus-summary-find-next unread)))
5943 (unless (zerop (setq n (1- n)))
5944 (gnus-summary-show-thread)))
5946 (gnus-message 7 "No more%s articles"
5947 (if unread " unread" "")))
5948 (unless dont-display
5949 (gnus-summary-recenter)
5950 (gnus-summary-position-point))
5953 (defun gnus-summary-next-unread-subject (n)
5954 "Go to next N'th unread summary line."
5956 (gnus-summary-next-subject n t))
5958 (defun gnus-summary-prev-subject (n &optional unread)
5959 "Go to previous N'th summary line.
5960 If optional argument UNREAD is non-nil, only unread article is selected."
5962 (gnus-summary-next-subject (- n) unread))
5964 (defun gnus-summary-prev-unread-subject (n)
5965 "Go to previous N'th unread summary line."
5967 (gnus-summary-next-subject (- n) t))
5969 (defun gnus-summary-goto-subject (article &optional force silent)
5970 "Go the subject line of ARTICLE.
5971 If FORCE, also allow jumping to articles not currently shown."
5972 (interactive "nArticle number: ")
5974 (data (gnus-data-find article)))
5975 ;; We read in the article if we have to.
5978 (gnus-summary-insert-subject
5980 (if (or (numberp force) (vectorp force)) force)
5982 (setq data (gnus-data-find article)))
5987 (gnus-message 3 "Can't find article %d" article))
5989 (goto-char (gnus-data-pos data))
5990 (gnus-summary-position-point)
5993 ;; Walking around summary lines with displaying articles.
5995 (defun gnus-summary-expand-window (&optional arg)
5996 "Make the summary buffer take up the entire Emacs frame.
5997 Given a prefix, will force an `article' buffer configuration."
6000 (gnus-configure-windows 'article 'force)
6001 (gnus-configure-windows 'summary 'force)))
6003 (defun gnus-summary-display-article (article &optional all-header)
6004 "Display ARTICLE in article buffer."
6005 (when (gnus-buffer-live-p gnus-article-buffer)
6006 (with-current-buffer gnus-article-buffer
6007 (mm-enable-multibyte-mule4)))
6008 (gnus-set-global-variables)
6009 (when (gnus-buffer-live-p gnus-article-buffer)
6010 (with-current-buffer gnus-article-buffer
6011 (setq gnus-article-charset gnus-newsgroup-charset)
6012 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6013 (mm-enable-multibyte-mule4)))
6017 (if gnus-summary-display-article-function
6018 (funcall gnus-summary-display-article-function article all-header)
6019 (gnus-article-prepare article all-header))
6020 (gnus-run-hooks 'gnus-select-article-hook)
6021 (when (and gnus-current-article
6022 (not (zerop gnus-current-article)))
6023 (gnus-summary-goto-subject gnus-current-article))
6024 (gnus-summary-recenter)
6025 (when (and gnus-use-trees gnus-show-threads)
6026 (gnus-possibly-generate-tree article)
6027 (gnus-highlight-selected-tree article))
6028 ;; Successfully display article.
6029 (gnus-article-set-window-start
6030 (cdr (assq article gnus-newsgroup-bookmarks))))))
6032 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
6033 "Select the current article.
6034 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
6035 non-nil, the article will be re-fetched even if it already present in
6036 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
6038 ;; Make sure we are in the summary buffer to work around bbdb bug.
6039 (unless (eq major-mode 'gnus-summary-mode)
6040 (set-buffer gnus-summary-buffer))
6041 (let ((article (or article (gnus-summary-article-number)))
6042 (all-headers (not (not all-headers))) ;Must be T or NIL.
6043 gnus-summary-display-article-function)
6045 (gnus-summary-article-pseudo-p article)
6046 (error "This is a pseudo-article"))
6048 (set-buffer gnus-summary-buffer)
6049 (if (or (and gnus-single-article-buffer
6050 (or (null gnus-current-article)
6051 (null gnus-article-current)
6052 (null (get-buffer gnus-article-buffer))
6053 (not (eq article (cdr gnus-article-current)))
6054 (not (equal (car gnus-article-current)
6055 gnus-newsgroup-name))))
6056 (and (not gnus-single-article-buffer)
6057 (or (null gnus-current-article)
6058 (not (eq gnus-current-article article))))
6060 ;; The requested article is different from the current article.
6062 (gnus-summary-display-article article all-headers)
6063 (when (gnus-buffer-live-p gnus-article-buffer)
6064 (with-current-buffer gnus-article-buffer
6065 (if (not gnus-article-decoded-p) ;; a local variable
6066 (mm-disable-multibyte-mule4))))
6067 (when (or all-headers gnus-show-all-headers)
6068 (gnus-article-show-all-headers))
6069 (gnus-article-set-window-start
6070 (cdr (assq article gnus-newsgroup-bookmarks)))
6072 (when (or all-headers gnus-show-all-headers)
6073 (gnus-article-show-all-headers))
6076 (defun gnus-summary-force-verify-and-decrypt ()
6078 (let ((mm-verify-option 'known)
6079 (mm-decrypt-option 'known))
6080 (gnus-summary-select-article nil 'force)))
6082 (defun gnus-summary-set-current-mark (&optional current-mark)
6083 "Obsolete function."
6086 (defun gnus-summary-next-article (&optional unread subject backward push)
6087 "Select the next article.
6088 If UNREAD, only unread articles are selected.
6089 If SUBJECT, only articles with SUBJECT are selected.
6090 If BACKWARD, the previous article is selected instead of the next."
6093 ;; Is there such an article?
6094 ((and (gnus-summary-search-forward unread subject backward)
6095 (or (gnus-summary-display-article (gnus-summary-article-number))
6096 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
6097 (gnus-summary-position-point))
6098 ;; If not, we try the first unread, if that is wanted.
6100 gnus-auto-select-same
6101 (gnus-summary-first-unread-article))
6102 (gnus-summary-position-point)
6103 (gnus-message 6 "Wrapped"))
6104 ;; Try to get next/previous article not displayed in this group.
6105 ((and gnus-auto-extend-newsgroup
6106 (not unread) (not subject))
6107 (gnus-summary-goto-article
6108 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
6109 nil (count-lines (point-min) (point))))
6110 ;; Go to next/previous group.
6112 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
6113 (gnus-summary-jump-to-group gnus-newsgroup-name))
6114 (let ((cmd last-command-char)
6117 (set-buffer gnus-group-buffer)
6120 (if (eq gnus-keep-same-level 'best)
6121 (gnus-summary-best-group gnus-newsgroup-name)
6122 (gnus-summary-search-group backward gnus-keep-same-level))))
6123 ;; For some reason, the group window gets selected. We change
6125 (select-window (get-buffer-window (current-buffer)))
6126 ;; Select next unread newsgroup automagically.
6128 ((or (not gnus-auto-select-next)
6130 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
6131 ((or (eq gnus-auto-select-next 'quietly)
6132 (and (eq gnus-auto-select-next 'slightly-quietly)
6134 (and (eq gnus-auto-select-next 'almost-quietly)
6135 (gnus-summary-last-article-p)))
6137 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
6139 (gnus-message 7 "No more%s articles (%s)..."
6140 (if unread " unread" "")
6141 (if group (concat "selecting " group)
6143 (gnus-summary-next-group nil group backward)))
6145 (when (gnus-key-press-event-p last-input-event)
6146 (gnus-summary-walk-group-buffer
6147 gnus-newsgroup-name cmd unread backward point))))))))
6149 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
6150 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
6151 (?\C-p (gnus-group-prev-unread-group 1))))
6152 (cursor-in-echo-area t)
6153 keve key group ended)
6155 (set-buffer gnus-group-buffer)
6158 (if (eq gnus-keep-same-level 'best)
6159 (gnus-summary-best-group gnus-newsgroup-name)
6160 (gnus-summary-search-group backward gnus-keep-same-level))))
6163 5 "No more%s articles%s" (if unread " unread" "")
6165 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
6166 (format " (Type %s for %s [%s])"
6167 (single-key-description cmd) group
6168 (car (gnus-gethash group gnus-newsrc-hashtb)))
6169 (format " (Type %s to exit %s)"
6170 (single-key-description cmd)
6171 gnus-newsgroup-name)))
6172 ;; Confirm auto selection.
6173 (setq key (car (setq keve (gnus-read-event-char))))
6176 ((assq key keystrokes)
6177 (let ((obuf (current-buffer)))
6178 (switch-to-buffer gnus-group-buffer)
6180 (gnus-group-jump-to-group group))
6181 (eval (cadr (assq key keystrokes)))
6182 (setq group (gnus-group-group-name))
6183 (switch-to-buffer obuf))
6187 (gnus-ephemeral-group-p gnus-newsgroup-name))
6189 (gnus-summary-next-group nil group backward)))
6191 (push (cdr keve) unread-command-events))))))
6193 (defun gnus-summary-next-unread-article ()
6194 "Select unread article after current one."
6196 (gnus-summary-next-article
6197 (or (not (eq gnus-summary-goto-unread 'never))
6198 (gnus-summary-last-article-p (gnus-summary-article-number)))
6199 (and gnus-auto-select-same
6200 (gnus-summary-article-subject))))
6202 (defun gnus-summary-prev-article (&optional unread subject)
6203 "Select the article after the current one.
6204 If UNREAD is non-nil, only unread articles are selected."
6206 (gnus-summary-next-article unread subject t))
6208 (defun gnus-summary-prev-unread-article ()
6209 "Select unread article before current one."
6211 (gnus-summary-prev-article
6212 (or (not (eq gnus-summary-goto-unread 'never))
6213 (gnus-summary-first-article-p (gnus-summary-article-number)))
6214 (and gnus-auto-select-same
6215 (gnus-summary-article-subject))))
6217 (defun gnus-summary-next-page (&optional lines circular)
6218 "Show next page of the selected article.
6219 If at the end of the current article, select the next article.
6220 LINES says how many lines should be scrolled up.
6222 If CIRCULAR is non-nil, go to the start of the article instead of
6223 selecting the next article when reaching the end of the current
6226 (setq gnus-summary-buffer (current-buffer))
6227 (gnus-set-global-variables)
6228 (let ((article (gnus-summary-article-number))
6229 (article-window (get-buffer-window gnus-article-buffer t))
6231 ;; If the buffer is empty, we have no article.
6233 (error "No article to select"))
6234 (gnus-configure-windows 'article)
6235 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
6236 (if (and (eq gnus-summary-goto-unread 'never)
6237 (not (gnus-summary-last-article-p article)))
6238 (gnus-summary-next-article)
6239 (gnus-summary-next-unread-article))
6240 (if (or (null gnus-current-article)
6241 (null gnus-article-current)
6242 (/= article (cdr gnus-article-current))
6243 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6244 ;; Selected subject is different from current article's.
6245 (gnus-summary-display-article article)
6246 (when article-window
6247 (gnus-eval-in-buffer-window gnus-article-buffer
6248 (setq endp (gnus-article-next-page lines)))
6251 (gnus-summary-beginning-of-article))
6253 (gnus-message 3 "End of message"))
6255 (if (and (eq gnus-summary-goto-unread 'never)
6256 (not (gnus-summary-last-article-p article)))
6257 (gnus-summary-next-article)
6258 (gnus-summary-next-unread-article))))))))
6259 (gnus-summary-recenter)
6260 (gnus-summary-position-point)))
6262 (defun gnus-summary-prev-page (&optional lines move)
6263 "Show previous page of selected article.
6264 Argument LINES specifies lines to be scrolled down.
6265 If MOVE, move to the previous unread article if point is at
6266 the beginning of the buffer."
6268 (let ((article (gnus-summary-article-number))
6269 (article-window (get-buffer-window gnus-article-buffer t))
6271 (gnus-configure-windows 'article)
6272 (if (or (null gnus-current-article)
6273 (null gnus-article-current)
6274 (/= article (cdr gnus-article-current))
6275 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6276 ;; Selected subject is different from current article's.
6277 (gnus-summary-display-article article)
6278 (gnus-summary-recenter)
6279 (when article-window
6280 (gnus-eval-in-buffer-window gnus-article-buffer
6281 (setq endp (gnus-article-prev-page lines)))
6282 (when (and move endp)
6284 (gnus-message 3 "Beginning of message"))
6286 (if (and (eq gnus-summary-goto-unread 'never)
6287 (not (gnus-summary-first-article-p article)))
6288 (gnus-summary-prev-article)
6289 (gnus-summary-prev-unread-article))))))))
6290 (gnus-summary-position-point))
6292 (defun gnus-summary-prev-page-or-article (&optional lines)
6293 "Show previous page of selected article.
6294 Argument LINES specifies lines to be scrolled down.
6295 If at the beginning of the article, go to the next article."
6297 (gnus-summary-prev-page lines t))
6299 (defun gnus-summary-scroll-up (lines)
6300 "Scroll up (or down) one line current article.
6301 Argument LINES specifies lines to be scrolled up (or down if negative)."
6303 (gnus-configure-windows 'article)
6304 (gnus-summary-show-thread)
6305 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
6306 (gnus-eval-in-buffer-window gnus-article-buffer
6308 (when (gnus-article-next-page lines)
6309 (gnus-message 3 "End of message")))
6311 (gnus-article-prev-page (- lines))))))
6312 (gnus-summary-recenter)
6313 (gnus-summary-position-point))
6315 (defun gnus-summary-scroll-down (lines)
6316 "Scroll down (or up) one line current article.
6317 Argument LINES specifies lines to be scrolled down (or up if negative)."
6319 (gnus-summary-scroll-up (- lines)))
6321 (defun gnus-summary-next-same-subject ()
6322 "Select next article which has the same subject as current one."
6324 (gnus-summary-next-article nil (gnus-summary-article-subject)))
6326 (defun gnus-summary-prev-same-subject ()
6327 "Select previous article which has the same subject as current one."
6329 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
6331 (defun gnus-summary-next-unread-same-subject ()
6332 "Select next unread article which has the same subject as current one."
6334 (gnus-summary-next-article t (gnus-summary-article-subject)))
6336 (defun gnus-summary-prev-unread-same-subject ()
6337 "Select previous unread article which has the same subject as current one."
6339 (gnus-summary-prev-article t (gnus-summary-article-subject)))
6341 (defun gnus-summary-first-unread-article ()
6342 "Select the first unread article.
6343 Return nil if there are no unread articles."
6346 (when (gnus-summary-first-subject t)
6347 (gnus-summary-show-thread)
6348 (gnus-summary-first-subject t)
6349 (gnus-summary-display-article (gnus-summary-article-number)))
6350 (gnus-summary-position-point)))
6352 (defun gnus-summary-first-unread-subject ()
6353 "Place the point on the subject line of the first unread article.
6354 Return nil if there are no unread articles."
6357 (when (gnus-summary-first-subject t)
6358 (gnus-summary-show-thread)
6359 (gnus-summary-first-subject t))
6360 (gnus-summary-position-point)))
6362 (defun gnus-summary-first-article ()
6363 "Select the first article.
6364 Return nil if there are no articles."
6367 (when (gnus-summary-first-subject)
6368 (gnus-summary-show-thread)
6369 (gnus-summary-first-subject)
6370 (gnus-summary-display-article (gnus-summary-article-number)))
6371 (gnus-summary-position-point)))
6373 (defun gnus-summary-best-unread-article ()
6374 "Select the unread article with the highest score."
6376 (let ((best -1000000)
6377 (data gnus-newsgroup-data)
6380 (and (gnus-data-unread-p (car data))
6382 (gnus-summary-article-score (gnus-data-number (car data))))
6385 article (gnus-data-number (car data))))
6386 (setq data (cdr data)))
6389 (gnus-summary-goto-article article)
6390 (error "No unread articles"))
6391 (gnus-summary-position-point))))
6393 (defun gnus-summary-last-subject ()
6394 "Go to the last displayed subject line in the group."
6395 (let ((article (gnus-data-number (car (gnus-data-list t)))))
6397 (gnus-summary-goto-subject article))))
6399 (defun gnus-summary-goto-article (article &optional all-headers force)
6400 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
6401 If ALL-HEADERS is non-nil, no header lines are hidden.
6402 If FORCE, go to the article even if it isn't displayed. If FORCE
6403 is a number, it is the line the article is to be displayed on."
6407 "Article number or Message-ID: "
6408 (mapcar (lambda (number) (list (int-to-string number)))
6409 gnus-newsgroup-limit))
6413 (if (and (stringp article)
6414 (string-match "@" article))
6415 (gnus-summary-refer-article article)
6416 (when (stringp article)
6417 (setq article (string-to-number article)))
6418 (if (gnus-summary-goto-subject article force)
6419 (gnus-summary-display-article article all-headers)
6420 (gnus-message 4 "Couldn't go to article %s" article) nil))
6421 (gnus-summary-position-point)))
6423 (defun gnus-summary-goto-last-article ()
6424 "Go to the previously read article."
6427 (when gnus-last-article
6428 (gnus-summary-goto-article gnus-last-article nil t))
6429 (gnus-summary-position-point)))
6431 (defun gnus-summary-pop-article (number)
6432 "Pop one article off the history and go to the previous.
6433 NUMBER articles will be popped off."
6436 (setq gnus-newsgroup-history
6437 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
6439 (gnus-summary-goto-article (car to) nil t)
6440 (error "Article history empty")))
6441 (gnus-summary-position-point))
6443 ;; Summary commands and functions for limiting the summary buffer.
6445 (defun gnus-summary-limit-to-articles (n)
6446 "Limit the summary buffer to the next N articles.
6447 If not given a prefix, use the process marked articles instead."
6450 (let ((articles (gnus-summary-work-articles n)))
6451 (setq gnus-newsgroup-processable nil)
6452 (gnus-summary-limit articles))
6453 (gnus-summary-position-point)))
6455 (defun gnus-summary-pop-limit (&optional total)
6456 "Restore the previous limit.
6457 If given a prefix, remove all limits."
6460 (setq gnus-newsgroup-limits
6461 (list (mapcar (lambda (h) (mail-header-number h))
6462 gnus-newsgroup-headers))))
6463 (unless gnus-newsgroup-limits
6464 (error "No limit to pop"))
6466 (gnus-summary-limit nil 'pop)
6467 (gnus-summary-position-point)))
6469 (defun gnus-summary-limit-to-subject (subject &optional header)
6470 "Limit the summary buffer to articles that have subjects that match a regexp."
6471 (interactive "sLimit to subject (regexp): ")
6473 (setq header "subject"))
6474 (when (not (equal "" subject))
6476 (let ((articles (gnus-summary-find-matching
6477 (or header "subject") subject 'all)))
6479 (error "Found no matches for \"%s\"" subject))
6480 (gnus-summary-limit articles))
6481 (gnus-summary-position-point))))
6483 (defun gnus-summary-limit-to-author (from)
6484 "Limit the summary buffer to articles that have authors that match a regexp."
6485 (interactive "sLimit to author (regexp): ")
6486 (gnus-summary-limit-to-subject from "from"))
6488 (defun gnus-summary-limit-to-age (age &optional younger-p)
6489 "Limit the summary buffer to articles that are older than (or equal) AGE days.
6490 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
6491 articles that are younger than AGE days."
6493 (let ((younger current-prefix-arg)
6496 (while (not days-got)
6497 (setq days (if younger
6498 (read-string "Limit to articles within (in days): ")
6499 (read-string "Limit to articles older than (in days): ")))
6500 (when (> (length days) 0)
6501 (setq days (read days)))
6504 (message "Please enter a number.")
6506 (list days younger)))
6508 (let ((data gnus-newsgroup-data)
6509 (cutoff (days-to-time age))
6510 articles d date is-younger)
6511 (while (setq d (pop data))
6512 (when (and (vectorp (gnus-data-header d))
6513 (setq date (mail-header-date (gnus-data-header d))))
6514 (setq is-younger (time-less-p
6515 (time-since (condition-case ()
6522 (push (gnus-data-number d) articles))))
6523 (gnus-summary-limit (nreverse articles)))
6524 (gnus-summary-position-point)))
6526 (defun gnus-summary-limit-to-extra (header regexp)
6527 "Limit the summary buffer to articles that match an 'extra' header."
6531 (gnus-completing-read
6532 (symbol-name (car gnus-extra-headers))
6533 "Limit extra header:"
6535 (cons (symbol-name x) x))
6540 (read-string (format "Limit to header %s (regexp): " header)))))
6541 (when (not (equal "" regexp))
6543 (let ((articles (gnus-summary-find-matching
6544 (cons 'extra header) regexp 'all)))
6546 (error "Found no matches for \"%s\"" regexp))
6547 (gnus-summary-limit articles))
6548 (gnus-summary-position-point))))
6550 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6552 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6554 (defun gnus-summary-limit-to-unread (&optional all)
6555 "Limit the summary buffer to articles that are not marked as read.
6556 If ALL is non-nil, limit strictly to unread articles."
6559 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
6560 (gnus-summary-limit-to-marks
6561 ;; Concat all the marks that say that an article is read and have
6563 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
6564 gnus-killed-mark gnus-kill-file-mark
6565 gnus-low-score-mark gnus-expirable-mark
6566 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
6567 gnus-duplicate-mark gnus-souped-mark)
6570 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
6571 (make-obsolete 'gnus-summary-delete-marked-with
6572 'gnus-summary-limit-exlude-marks)
6574 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
6575 "Exclude articles that are marked with MARKS (e.g. \"DK\").
6576 If REVERSE, limit the summary buffer to articles that are marked
6577 with MARKS. MARKS can either be a string of marks or a list of marks.
6578 Returns how many articles were removed."
6579 (interactive "sMarks: ")
6580 (gnus-summary-limit-to-marks marks t))
6582 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6583 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6584 If REVERSE (the prefix), limit the summary buffer to articles that are
6585 not marked with MARKS. MARKS can either be a string of marks or a
6587 Returns how many articles were removed."
6588 (interactive "sMarks: \nP")
6590 (let ((data gnus-newsgroup-data)
6591 (marks (if (listp marks) marks
6592 (append marks nil))) ; Transform to list.
6595 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6596 (memq (gnus-data-mark (car data)) marks))
6597 (push (gnus-data-number (car data)) articles))
6598 (setq data (cdr data)))
6599 (gnus-summary-limit articles))
6600 (gnus-summary-position-point)))
6602 (defun gnus-summary-limit-to-score (&optional score)
6603 "Limit to articles with score at or above SCORE."
6605 (setq score (if score
6606 (prefix-numeric-value score)
6607 (or gnus-summary-default-score 0)))
6608 (let ((data gnus-newsgroup-data)
6611 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6613 (push (gnus-data-number (car data)) articles))
6614 (setq data (cdr data)))
6616 (gnus-summary-limit articles)
6617 (gnus-summary-position-point))))
6619 (defun gnus-summary-limit-include-thread (id)
6620 "Display all the hidden articles that in the current thread."
6621 (interactive (list (mail-header-id (gnus-summary-article-header))))
6622 (let ((articles (gnus-articles-in-thread
6623 (gnus-id-to-thread (gnus-root-id id)))))
6625 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6626 (gnus-summary-position-point))))
6628 (defun gnus-summary-limit-include-dormant ()
6629 "Display all the hidden articles that are marked as dormant.
6630 Note that this command only works on a subset of the articles currently
6631 fetched for this group."
6633 (unless gnus-newsgroup-dormant
6634 (error "There are no dormant articles in this group"))
6636 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6637 (gnus-summary-position-point)))
6639 (defun gnus-summary-limit-exclude-dormant ()
6640 "Hide all dormant articles."
6643 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6644 (gnus-summary-position-point)))
6646 (defun gnus-summary-limit-exclude-childless-dormant ()
6647 "Hide all dormant articles that have no children."
6649 (let ((data (gnus-data-list t))
6650 articles d children)
6651 ;; Find all articles that are either not dormant or have
6653 (while (setq d (pop data))
6654 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6656 (gnus-article-children (gnus-data-number d)))
6659 (when (memq (car children) articles)
6664 (push (gnus-data-number d) articles)))
6667 (gnus-summary-limit articles)
6668 (gnus-summary-position-point))))
6670 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6671 "Mark all unread excluded articles as read.
6672 If ALL, mark even excluded ticked and dormants as read."
6674 (let ((articles (gnus-sorted-complement
6676 (mapcar (lambda (h) (mail-header-number h))
6677 gnus-newsgroup-headers)
6679 (sort gnus-newsgroup-limit '<)))
6681 (setq gnus-newsgroup-unreads
6682 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6684 (setq gnus-newsgroup-dormant nil
6685 gnus-newsgroup-marked nil
6686 gnus-newsgroup-reads
6688 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6689 gnus-newsgroup-reads))
6690 (while (setq article (pop articles))
6691 (unless (or (memq article gnus-newsgroup-dormant)
6692 (memq article gnus-newsgroup-marked))
6693 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6695 (defun gnus-summary-limit (articles &optional pop)
6697 ;; We pop the previous limit off the stack and use that.
6698 (setq articles (car gnus-newsgroup-limits)
6699 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6700 ;; We use the new limit, so we push the old limit on the stack.
6701 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6703 (setq gnus-newsgroup-limit articles)
6704 (let ((total (length gnus-newsgroup-data))
6705 (data (gnus-data-find-list (gnus-summary-article-number)))
6706 (gnus-summary-mark-below nil) ; Inhibit this.
6708 ;; This will do all the work of generating the new summary buffer
6709 ;; according to the new limit.
6710 (gnus-summary-prepare)
6711 ;; Hide any threads, possibly.
6712 (and gnus-show-threads
6713 gnus-thread-hide-subtree
6714 (gnus-summary-hide-all-threads))
6715 ;; Try to return to the article you were at, or one in the
6718 ;; We try to find some article after the current one.
6720 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6723 (setq data (cdr data))))
6725 ;; If there is no data, that means that we were after the last
6726 ;; article. The same goes when we can't find any articles
6727 ;; after the current one.
6728 (goto-char (point-max))
6729 (gnus-summary-find-prev))
6730 (gnus-set-mode-line 'summary)
6731 ;; We return how many articles were removed from the summary
6732 ;; buffer as a result of the new limit.
6733 (- total (length gnus-newsgroup-data))))
6735 (defsubst gnus-invisible-cut-children (threads)
6738 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6743 (defsubst gnus-cut-thread (thread)
6744 "Go forwards in the thread until we find an article that we want to display."
6745 (when (or (eq gnus-fetch-old-headers 'some)
6746 (eq gnus-fetch-old-headers 'invisible)
6747 (numberp gnus-fetch-old-headers)
6748 (eq gnus-build-sparse-threads 'some)
6749 (eq gnus-build-sparse-threads 'more))
6750 ;; Deal with old-fetched headers and sparse threads.
6754 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6755 (gnus-summary-article-ancient-p
6756 (mail-header-number (car thread))))
6757 (if (or (<= (length (cdr thread)) 1)
6758 (eq gnus-fetch-old-headers 'invisible))
6759 (setq gnus-newsgroup-limit
6760 (delq (mail-header-number (car thread))
6761 gnus-newsgroup-limit)
6762 thread (cadr thread))
6763 (when (gnus-invisible-cut-children (cdr thread))
6764 (let ((th (cdr thread)))
6766 (if (memq (mail-header-number (caar th))
6767 gnus-newsgroup-limit)
6768 (setq thread (car th)
6770 (setq th (cdr th))))))))))
6773 (defun gnus-cut-threads (threads)
6774 "Cut off all uninteresting articles from the beginning of threads."
6775 (when (or (eq gnus-fetch-old-headers 'some)
6776 (eq gnus-fetch-old-headers 'invisible)
6777 (numberp gnus-fetch-old-headers)
6778 (eq gnus-build-sparse-threads 'some)
6779 (eq gnus-build-sparse-threads 'more))
6782 (setcar th (gnus-cut-thread (car th)))
6783 (setq th (cdr th)))))
6784 ;; Remove nixed out threads.
6787 (defun gnus-summary-initial-limit (&optional show-if-empty)
6788 "Figure out what the initial limit is supposed to be on group entry.
6789 This entails weeding out unwanted dormants, low-scored articles,
6790 fetch-old-headers verbiage, and so on."
6791 ;; Most groups have nothing to remove.
6792 (if (or gnus-inhibit-limiting
6793 (and (null gnus-newsgroup-dormant)
6794 (not (eq gnus-fetch-old-headers 'some))
6795 (not (numberp gnus-fetch-old-headers))
6796 (not (eq gnus-fetch-old-headers 'invisible))
6797 (null gnus-summary-expunge-below)
6798 (not (eq gnus-build-sparse-threads 'some))
6799 (not (eq gnus-build-sparse-threads 'more))
6800 (null gnus-thread-expunge-below)
6801 (not gnus-use-nocem)))
6803 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6804 (setq gnus-newsgroup-limit nil)
6807 (unless (car (symbol-value node))
6808 ;; These threads have no parents -- they are roots.
6809 (let ((nodes (cdr (symbol-value node)))
6812 (if (and gnus-thread-expunge-below
6813 (< (gnus-thread-total-score (car nodes))
6814 gnus-thread-expunge-below))
6815 (gnus-expunge-thread (pop nodes))
6816 (setq thread (pop nodes))
6817 (gnus-summary-limit-children thread))))))
6818 gnus-newsgroup-dependencies)
6819 ;; If this limitation resulted in an empty group, we might
6820 ;; pop the previous limit and use it instead.
6821 (when (and (not gnus-newsgroup-limit)
6823 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6824 gnus-newsgroup-limit))
6826 (defun gnus-summary-limit-children (thread)
6827 "Return 1 if this subthread is visible and 0 if it is not."
6828 ;; First we get the number of visible children to this thread. This
6829 ;; is done by recursing down the thread using this function, so this
6830 ;; will really go down to a leaf article first, before slowly
6831 ;; working its way up towards the root.
6835 (apply '+ (mapcar 'gnus-summary-limit-children
6838 (number (mail-header-number (car thread)))
6841 (not (memq number gnus-newsgroup-marked))
6843 ;; If this article is dormant and has absolutely no visible
6844 ;; children, then this article isn't visible.
6845 (and (memq number gnus-newsgroup-dormant)
6847 ;; If this is "fetch-old-headered" and there is no
6848 ;; visible children, then we don't want this article.
6849 (and (or (eq gnus-fetch-old-headers 'some)
6850 (numberp gnus-fetch-old-headers))
6851 (gnus-summary-article-ancient-p number)
6853 ;; If this is "fetch-old-headered" and `invisible', then
6854 ;; we don't want this article.
6855 (and (eq gnus-fetch-old-headers 'invisible)
6856 (gnus-summary-article-ancient-p number))
6857 ;; If this is a sparsely inserted article with no children,
6858 ;; we don't want it.
6859 (and (eq gnus-build-sparse-threads 'some)
6860 (gnus-summary-article-sparse-p number)
6862 ;; If we use expunging, and this article is really
6863 ;; low-scored, then we don't want this article.
6864 (when (and gnus-summary-expunge-below
6866 (or (cdr (assq number gnus-newsgroup-scored))
6867 gnus-summary-default-score))
6868 gnus-summary-expunge-below))
6869 ;; We increase the expunge-tally here, but that has
6870 ;; nothing to do with the limits, really.
6871 (incf gnus-newsgroup-expunged-tally)
6872 ;; We also mark as read here, if that's wanted.
6873 (when (and gnus-summary-mark-below
6874 (< score gnus-summary-mark-below))
6875 (setq gnus-newsgroup-unreads
6876 (delq number gnus-newsgroup-unreads))
6877 (if gnus-newsgroup-auto-expire
6878 (push number gnus-newsgroup-expirable)
6879 (push (cons number gnus-low-score-mark)
6880 gnus-newsgroup-reads)))
6882 ;; Check NoCeM things.
6883 (if (and gnus-use-nocem
6884 (gnus-nocem-unwanted-article-p
6885 (mail-header-id (car thread))))
6887 (setq gnus-newsgroup-unreads
6888 (delq number gnus-newsgroup-unreads))
6890 ;; Nope, invisible article.
6892 ;; Ok, this article is to be visible, so we add it to the limit
6894 (push number gnus-newsgroup-limit)
6897 (defun gnus-expunge-thread (thread)
6898 "Mark all articles in THREAD as read."
6899 (let* ((number (mail-header-number (car thread))))
6900 (incf gnus-newsgroup-expunged-tally)
6901 ;; We also mark as read here, if that's wanted.
6902 (setq gnus-newsgroup-unreads
6903 (delq number gnus-newsgroup-unreads))
6904 (if gnus-newsgroup-auto-expire
6905 (push number gnus-newsgroup-expirable)
6906 (push (cons number gnus-low-score-mark)
6907 gnus-newsgroup-reads)))
6908 ;; Go recursively through all subthreads.
6909 (mapcar 'gnus-expunge-thread (cdr thread)))
6911 ;; Summary article oriented commands
6913 (defun gnus-summary-refer-parent-article (n)
6914 "Refer parent article N times.
6915 If N is negative, go to ancestor -N instead.
6916 The difference between N and the number of articles fetched is returned."
6920 (when (not (natnump n))
6925 (setq header (gnus-summary-article-header))
6926 (if (and (eq (mail-header-number header)
6927 (cdr gnus-article-current))
6928 (equal gnus-newsgroup-name
6929 (car gnus-article-current)))
6930 ;; If we try to find the parent of the currently
6931 ;; displayed article, then we take a look at the actual
6932 ;; References header, since this is slightly more
6933 ;; reliable than the References field we got from the
6936 (set-buffer gnus-original-article-buffer)
6937 (nnheader-narrow-to-headers)
6938 (unless (setq ref (message-fetch-field "references"))
6939 (setq ref (message-fetch-field "in-reply-to")))
6942 ;; It's not the current article, so we take a bet on
6943 ;; the value we got from the server.
6944 (mail-header-references header)))
6946 (not (equal ref "")))
6947 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6948 (gnus-message 1 "Couldn't find parent"))
6949 (gnus-message 1 "No references in article %d"
6950 (gnus-summary-article-number))
6953 (gnus-summary-position-point)
6956 (defun gnus-summary-refer-references ()
6957 "Fetch all articles mentioned in the References header.
6958 Return the number of articles fetched."
6960 (let ((ref (mail-header-references (gnus-summary-article-header)))
6961 (current (gnus-summary-article-number))
6965 (error "No References in the current article")
6966 ;; For each Message-ID in the References header...
6967 (while (string-match "<[^>]*>" ref)
6969 ;; ... fetch that article.
6970 (gnus-summary-refer-article
6971 (prog1 (match-string 0 ref)
6972 (setq ref (substring ref (match-end 0))))))
6973 (gnus-summary-goto-subject current)
6974 (gnus-summary-position-point)
6977 (defun gnus-summary-refer-thread (&optional limit)
6978 "Fetch all articles in the current thread.
6979 If LIMIT (the numerical prefix), fetch that many old headers instead
6980 of what's specified by the `gnus-refer-thread-limit' variable."
6982 (let ((id (mail-header-id (gnus-summary-article-header)))
6983 (limit (if limit (prefix-numeric-value limit)
6984 gnus-refer-thread-limit)))
6985 ;; We want to fetch LIMIT *old* headers, but we also have to
6986 ;; re-fetch all the headers in the current buffer, because many of
6987 ;; them may be undisplayed. So we adjust LIMIT.
6988 (when (numberp limit)
6989 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6990 (unless (eq gnus-fetch-old-headers 'invisible)
6991 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6992 ;; Retrieve the headers and read them in.
6993 (if (eq (gnus-retrieve-headers
6994 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6996 (gnus-build-all-threads)
6997 (error "Can't fetch thread from backends that don't support NOV"))
6998 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6999 (gnus-summary-limit-include-thread id)))
7001 (defun gnus-summary-refer-article (message-id)
7002 "Fetch an article specified by MESSAGE-ID."
7003 (interactive "sMessage-ID: ")
7004 (when (and (stringp message-id)
7005 (not (zerop (length message-id))))
7006 ;; Construct the correct Message-ID if necessary.
7007 ;; Suggested by tale@pawl.rpi.edu.
7008 (unless (string-match "^<" message-id)
7009 (setq message-id (concat "<" message-id)))
7010 (unless (string-match ">$" message-id)
7011 (setq message-id (concat message-id ">")))
7012 (let* ((header (gnus-id-to-header message-id))
7014 (gnus-summary-article-sparse-p
7015 (mail-header-number header))
7016 (memq (mail-header-number header)
7017 gnus-newsgroup-limit)))
7020 ;; If the article is present in the buffer we just go to it.
7022 (or (not (gnus-summary-article-sparse-p
7023 (mail-header-number header)))
7026 (gnus-summary-goto-article
7027 (mail-header-number header) nil t)
7029 (gnus-summary-update-article (mail-header-number header)))))
7031 ;; We fetch the article.
7033 (dolist (gnus-override-method (gnus-refer-article-methods))
7034 (gnus-check-server gnus-override-method)
7035 ;; Fetch the header, and display the article.
7036 (when (setq number (gnus-summary-insert-subject message-id))
7037 (gnus-summary-select-article nil nil nil number)
7039 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
7041 (defun gnus-refer-article-methods ()
7042 "Return a list of referrable methods."
7044 ;; No method, so we default to current and native.
7045 ((null gnus-refer-article-method)
7046 (list gnus-current-select-method gnus-select-method))
7048 ((eq 'current gnus-refer-article-method)
7049 (list gnus-current-select-method))
7050 ;; List of select methods.
7051 ((not (and (symbolp (car gnus-refer-article-method))
7052 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
7054 (dolist (method gnus-refer-article-method)
7055 (push (if (eq 'current method)
7056 gnus-current-select-method
7060 ;; One single select method.
7062 (list gnus-refer-article-method))))
7064 (defun gnus-summary-edit-parameters ()
7065 "Edit the group parameters of the current group."
7067 (gnus-group-edit-group gnus-newsgroup-name 'params))
7069 (defun gnus-summary-customize-parameters ()
7070 "Customize the group parameters of the current group."
7072 (gnus-group-customize gnus-newsgroup-name))
7074 (defun gnus-summary-enter-digest-group (&optional force)
7075 "Enter an nndoc group based on the current article.
7076 If FORCE, force a digest interpretation. If not, try
7077 to guess what the document format is."
7079 (let ((conf gnus-current-window-configuration))
7081 (gnus-summary-select-article))
7082 (setq gnus-current-window-configuration conf)
7083 (let* ((name (format "%s-%d"
7084 (gnus-group-prefixed-name
7085 gnus-newsgroup-name (list 'nndoc ""))
7087 (set-buffer gnus-summary-buffer)
7088 gnus-current-article)))
7089 (ogroup gnus-newsgroup-name)
7090 (params (append (gnus-info-params (gnus-get-info ogroup))
7091 (list (cons 'to-group ogroup))
7092 (list (cons 'save-article-group ogroup))))
7093 (case-fold-search t)
7094 (buf (current-buffer))
7097 (set-buffer gnus-original-article-buffer)
7098 ;; Have the digest group inherit the main mail address of
7099 ;; the parent article.
7100 (when (setq to-address (or (message-fetch-field "reply-to")
7101 (message-fetch-field "from")))
7102 (setq params (append
7103 (list (cons 'to-address
7104 (funcall gnus-decode-encoded-word-function
7106 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
7107 (insert-buffer-substring gnus-original-article-buffer)
7108 ;; Remove lines that may lead nndoc to misinterpret the
7111 (goto-char (point-min))
7112 (or (search-forward "\n\n" nil t) (point)))
7113 (goto-char (point-min))
7114 (delete-matching-lines "^Path:\\|^From ")
7117 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
7118 (gnus-newsgroup-ephemeral-ignored-charsets
7119 gnus-newsgroup-ignored-charsets))
7120 (gnus-group-read-ephemeral-group
7121 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
7123 ,(if force 'mbox 'guess))) t))
7124 ;; Make all postings to this group go to the parent group.
7125 (nconc (gnus-info-params (gnus-get-info name))
7127 ;; Couldn't select this doc group.
7128 (switch-to-buffer buf)
7129 (gnus-set-global-variables)
7130 (gnus-configure-windows 'summary)
7131 (gnus-message 3 "Article couldn't be entered?"))
7132 (kill-buffer dig)))))
7134 (defun gnus-summary-read-document (n)
7135 "Open a new group based on the current article(s).
7136 This will allow you to read digests and other similar
7137 documents as newsgroups.
7138 Obeys the standard process/prefix convention."
7140 (let* ((articles (gnus-summary-work-articles n))
7141 (ogroup gnus-newsgroup-name)
7142 (params (append (gnus-info-params (gnus-get-info ogroup))
7143 (list (cons 'to-group ogroup))))
7144 article group egroup groups vgroup)
7145 (while (setq article (pop articles))
7146 (setq group (format "%s-%d" gnus-newsgroup-name article))
7147 (gnus-summary-remove-process-mark article)
7148 (when (gnus-summary-display-article article)
7151 (insert-buffer-substring gnus-original-article-buffer)
7152 ;; Remove some headers that may lead nndoc to make
7154 (message-narrow-to-head)
7155 (goto-char (point-min))
7156 (delete-matching-lines "^\\(Path\\):\\|^From ")
7159 (gnus-group-read-ephemeral-group
7160 group `(nndoc ,group (nndoc-address ,(current-buffer))
7161 (nndoc-article-type guess))
7164 ;; Make all postings to this group go to the parent group.
7165 (nconc (gnus-info-params (gnus-get-info egroup))
7167 (push egroup groups))
7168 ;; Couldn't select this doc group.
7169 (gnus-error 3 "Article couldn't be entered"))))))
7170 ;; Now we have selected all the documents.
7173 (error "None of the articles could be interpreted as documents"))
7174 ((gnus-group-read-ephemeral-group
7175 (setq vgroup (format
7176 "nnvirtual:%s-%s" gnus-newsgroup-name
7177 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
7178 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
7180 (cons (current-buffer) 'summary)))
7182 (error "Couldn't select virtual nndoc group")))))
7184 (defun gnus-summary-isearch-article (&optional regexp-p)
7185 "Do incremental search forward on the current article.
7186 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
7188 (gnus-summary-select-article)
7189 (gnus-configure-windows 'article)
7190 (gnus-eval-in-buffer-window gnus-article-buffer
7193 (isearch-forward regexp-p))))
7195 (defun gnus-summary-search-article-forward (regexp &optional backward)
7196 "Search for an article containing REGEXP forward.
7197 If BACKWARD, search backward instead."
7200 (format "Search article %s (regexp%s): "
7201 (if current-prefix-arg "backward" "forward")
7202 (if gnus-last-search-regexp
7203 (concat ", default " gnus-last-search-regexp)
7205 current-prefix-arg))
7206 (if (string-equal regexp "")
7207 (setq regexp (or gnus-last-search-regexp ""))
7208 (setq gnus-last-search-regexp regexp)
7209 (setq gnus-article-before-search gnus-current-article))
7210 ;; Intentionally set gnus-last-article.
7211 (setq gnus-last-article gnus-article-before-search)
7212 (let ((gnus-last-article gnus-last-article))
7213 (if (gnus-summary-search-article regexp backward)
7214 (gnus-summary-show-thread)
7215 (error "Search failed: \"%s\"" regexp))))
7217 (defun gnus-summary-search-article-backward (regexp)
7218 "Search for an article containing REGEXP backward."
7221 (format "Search article backward (regexp%s): "
7222 (if gnus-last-search-regexp
7223 (concat ", default " gnus-last-search-regexp)
7225 (gnus-summary-search-article-forward regexp 'backward))
7227 (defun gnus-summary-search-article (regexp &optional backward)
7228 "Search for an article containing REGEXP.
7229 Optional argument BACKWARD means do search for backward.
7230 `gnus-select-article-hook' is not called during the search."
7231 ;; We have to require this here to make sure that the following
7232 ;; dynamic binding isn't shadowed by autoloading.
7233 (require 'gnus-async)
7235 (let ((gnus-select-article-hook nil) ;Disable hook.
7236 (gnus-article-prepare-hook nil)
7237 (gnus-mark-article-hook nil) ;Inhibit marking as read.
7238 (gnus-use-article-prefetch nil)
7239 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
7240 (gnus-use-trees nil) ;Inhibit updating tree buffer.
7241 (sum (current-buffer))
7242 (gnus-display-mime-function nil)
7245 (gnus-save-hidden-threads
7246 (gnus-summary-select-article)
7247 (set-buffer gnus-article-buffer)
7248 (goto-char (window-point (get-buffer-window (current-buffer))))
7252 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
7254 (re-search-backward regexp nil t)
7255 (re-search-forward regexp nil t))
7256 ;; We found the regexp.
7261 (get-buffer-window (current-buffer))
7265 (get-buffer-window (current-buffer))
7268 (setq point (point)))
7269 ;; We didn't find it, so we go to the next article.
7272 (while (eq found 'not)
7273 (if (not (if backward (gnus-summary-find-prev)
7274 (gnus-summary-find-next)))
7275 ;; No more articles.
7277 ;; Select the next article and adjust point.
7278 (unless (gnus-summary-article-sparse-p
7279 (gnus-summary-article-number))
7281 (gnus-summary-select-article)
7282 (set-buffer gnus-article-buffer)
7284 (goto-char (if backward (point-max) (point-min))))))))
7285 (gnus-message 7 ""))
7286 ;; Return whether we found the regexp.
7287 (when (eq found 'found)
7289 (gnus-summary-show-thread)
7290 (gnus-summary-goto-subject gnus-current-article)
7291 (gnus-summary-position-point)
7294 (defun gnus-summary-find-matching (header regexp &optional backward unread
7296 "Return a list of all articles that match REGEXP on HEADER.
7297 The search stars on the current article and goes forwards unless
7298 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
7299 If UNREAD is non-nil, only unread articles will
7300 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
7301 in the comparisons."
7302 (let ((data (if (eq backward 'all) gnus-newsgroup-data
7303 (gnus-data-find-list
7304 (gnus-summary-article-number) (gnus-data-list backward))))
7305 (case-fold-search (not not-case-fold))
7308 (if (eq (car header) 'extra)
7311 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
7313 (error "%s is an invalid header" header))
7314 (unless (fboundp (intern (concat "mail-header-" header)))
7315 (error "%s is not a valid header" header))
7316 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
7319 (and (or (not unread) ; We want all articles...
7320 (gnus-data-unread-p d)) ; Or just unreads.
7321 (vectorp (gnus-data-header d)) ; It's not a pseudo.
7322 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
7323 (push (gnus-data-number d) articles)) ; Success!
7324 (setq data (cdr data)))
7325 (nreverse articles)))
7327 (defun gnus-summary-execute-command (header regexp command &optional backward)
7328 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
7329 If HEADER is an empty string (or nil), the match is done on the entire
7330 article. If BACKWARD (the prefix) is non-nil, search backward instead."
7332 (list (let ((completion-ignore-case t))
7335 (mapcar (lambda (string) (list string))
7336 '("Number" "Subject" "From" "Lines" "Date"
7337 "Message-ID" "Xref" "References" "Body"))
7338 nil 'require-match))
7339 (read-string "Regexp: ")
7340 (read-key-sequence "Command: ")
7341 current-prefix-arg))
7342 (when (equal header "Body")
7344 ;; Hidden thread subtrees must be searched as well.
7345 (gnus-summary-show-all-threads)
7346 ;; We don't want to change current point nor window configuration.
7348 (save-window-excursion
7349 (gnus-message 6 "Executing %s..." (key-description command))
7350 ;; We'd like to execute COMMAND interactively so as to give arguments.
7351 (gnus-execute header regexp
7352 `(call-interactively ',(key-binding command))
7354 (gnus-message 6 "Executing %s...done" (key-description command)))))
7356 (defun gnus-summary-beginning-of-article ()
7357 "Scroll the article back to the beginning."
7359 (gnus-summary-select-article)
7360 (gnus-configure-windows 'article)
7361 (gnus-eval-in-buffer-window gnus-article-buffer
7363 (goto-char (point-min))
7364 (when gnus-page-broken
7365 (gnus-narrow-to-page))))
7367 (defun gnus-summary-end-of-article ()
7368 "Scroll to the end of the article."
7370 (gnus-summary-select-article)
7371 (gnus-configure-windows 'article)
7372 (gnus-eval-in-buffer-window gnus-article-buffer
7374 (goto-char (point-max))
7376 (when gnus-page-broken
7377 (gnus-narrow-to-page))))
7379 (defun gnus-summary-print-article (&optional filename n)
7380 "Generate and print a PostScript image of the N next (mail) articles.
7382 If N is negative, print the N previous articles. If N is nil and articles
7383 have been marked with the process mark, print these instead.
7385 If the optional first argument FILENAME is nil, send the image to the
7386 printer. If FILENAME is a string, save the PostScript image in a file with
7387 that name. If FILENAME is a number, prompt the user for the name of the file
7389 (interactive (list (ps-print-preprint current-prefix-arg)
7390 current-prefix-arg))
7391 (dolist (article (gnus-summary-work-articles n))
7392 (gnus-summary-select-article nil nil 'pseudo article)
7393 (gnus-eval-in-buffer-window gnus-article-buffer
7394 (let ((buffer (generate-new-buffer " *print*")))
7397 (copy-to-buffer buffer (point-min) (point-max))
7399 (gnus-article-delete-invisible-text)
7400 (let ((ps-left-header
7403 (mail-header-subject gnus-current-headers) ")")
7405 (mail-header-from gnus-current-headers) ")")))
7408 "/pagenumberstring load"
7410 (mail-header-date gnus-current-headers) ")"))))
7411 (gnus-run-hooks 'gnus-ps-print-hook)
7413 (ps-print-buffer-with-faces filename))))
7414 (kill-buffer buffer))))))
7416 (defun gnus-summary-show-article (&optional arg)
7417 "Force re-fetching of the current article.
7418 If ARG (the prefix) is a number, show the article with the charset
7419 defined in `gnus-summary-show-article-charset-alist', or the charset
7421 If ARG (the prefix) is non-nil and not a number, show the raw article
7422 without any article massaging functions being run."
7426 (let ((gnus-newsgroup-charset
7427 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
7428 (read-coding-system "Charset: ")))
7429 (gnus-newsgroup-ignored-charsets 'gnus-all))
7430 (gnus-summary-select-article nil 'force)
7431 (let ((deps gnus-newsgroup-dependencies)
7434 (set-buffer gnus-original-article-buffer)
7436 (message-narrow-to-head)
7437 (setq head (buffer-string)))
7439 (insert (format "211 %d Article retrieved.\n"
7440 (cdr gnus-article-current)))
7443 (let ((nntp-server-buffer (current-buffer)))
7444 (setq header (car (gnus-get-newsgroup-headers deps t))))))
7445 (gnus-data-set-header
7446 (gnus-data-find (cdr gnus-article-current))
7448 (gnus-summary-update-article-line
7449 (cdr gnus-article-current) header))))
7451 ;; Select the article the normal way.
7452 (gnus-summary-select-article nil 'force))
7454 ;; We have to require this here to make sure that the following
7455 ;; dynamic binding isn't shadowed by autoloading.
7456 (require 'gnus-async)
7458 ;; Bind the article treatment functions to nil.
7459 (let ((gnus-have-all-headers t)
7460 gnus-article-prepare-hook
7461 gnus-article-decode-hook
7462 gnus-display-mime-function
7464 ;; Destroy any MIME parts.
7465 (when (gnus-buffer-live-p gnus-article-buffer)
7467 (set-buffer gnus-article-buffer)
7468 (mm-destroy-parts gnus-article-mime-handles)
7469 ;; Set it to nil for safety reason.
7470 (setq gnus-article-mime-handle-alist nil)
7471 (setq gnus-article-mime-handles nil)))
7472 (gnus-summary-select-article nil 'force))))
7473 (gnus-summary-goto-subject gnus-current-article)
7474 (gnus-summary-position-point))
7476 (defun gnus-summary-verbose-headers (&optional arg)
7477 "Toggle permanent full header display.
7478 If ARG is a positive number, turn header display on.
7479 If ARG is a negative number, turn header display off."
7481 (setq gnus-show-all-headers
7482 (cond ((or (not (numberp arg))
7484 (not gnus-show-all-headers))
7487 (gnus-summary-show-article))
7489 (defun gnus-summary-toggle-header (&optional arg)
7490 "Show the headers if they are hidden, or hide them if they are shown.
7491 If ARG is a positive number, show the entire header.
7492 If ARG is a negative number, hide the unwanted header lines."
7495 (set-buffer gnus-article-buffer)
7497 (let* ((buffer-read-only nil)
7498 (inhibit-point-motion-hooks t)
7504 (article-narrow-to-head)
7505 (gnus-article-hidden-text-p 'headers))))
7506 (goto-char (point-min))
7507 (when (search-forward "\n\n" nil t)
7508 (delete-region (point-min) (1- (point))))
7509 (goto-char (point-min))
7511 (set-buffer gnus-original-article-buffer)
7512 (goto-char (point-min))
7513 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
7514 (insert-buffer-substring gnus-original-article-buffer 1 e)
7516 (narrow-to-region (point-min) (point))
7517 (article-decode-encoded-words)
7519 (let ((gnus-treat-hide-headers nil)
7520 (gnus-treat-hide-boring-headers nil))
7521 (setq gnus-article-wash-types
7522 (delq 'headers gnus-article-wash-types))
7523 (gnus-treat-article 'head))
7524 (gnus-treat-article 'head)))
7525 (gnus-set-mode-line 'article)))))
7527 (defun gnus-summary-show-all-headers ()
7528 "Make all header lines visible."
7530 (gnus-article-show-all-headers))
7532 (defun gnus-summary-caesar-message (&optional arg)
7533 "Caesar rotate the current article by 13.
7534 The numerical prefix specifies how many places to rotate each letter
7537 (gnus-summary-select-article)
7538 (let ((mail-header-separator ""))
7539 (gnus-eval-in-buffer-window gnus-article-buffer
7542 (let ((start (window-start))
7544 (message-caesar-buffer-body arg)
7545 (set-window-start (get-buffer-window (current-buffer)) start))))))
7547 (defun gnus-summary-stop-page-breaking ()
7548 "Stop page breaking in the current article."
7550 (gnus-summary-select-article)
7551 (gnus-eval-in-buffer-window gnus-article-buffer
7553 (when (gnus-visual-p 'page-marker)
7554 (let ((buffer-read-only nil))
7555 (gnus-remove-text-with-property 'gnus-prev)
7556 (gnus-remove-text-with-property 'gnus-next))
7557 (setq gnus-page-broken nil))))
7559 (defun gnus-summary-move-article (&optional n to-newsgroup
7560 select-method action)
7561 "Move the current article to a different newsgroup.
7562 If N is a positive number, move the N next articles.
7563 If N is a negative number, move the N previous articles.
7564 If N is nil and any articles have been marked with the process mark,
7565 move those articles instead.
7566 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7567 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7568 re-spool using this method.
7570 For this function to work, both the current newsgroup and the
7571 newsgroup that you want to move to have to support the `request-move'
7572 and `request-accept' functions.
7574 ACTION can be either `move' (the default), `crosspost' or `copy'."
7577 (setq action 'move))
7578 ;; Disable marking as read.
7579 (let (gnus-mark-article-hook)
7580 (save-window-excursion
7581 (gnus-summary-select-article)))
7582 ;; Check whether the source group supports the required functions.
7583 (cond ((and (eq action 'move)
7584 (not (gnus-check-backend-function
7585 'request-move-article gnus-newsgroup-name)))
7586 (error "The current group does not support article moving"))
7587 ((and (eq action 'crosspost)
7588 (not (gnus-check-backend-function
7589 'request-replace-article gnus-newsgroup-name)))
7590 (error "The current group does not support article editing")))
7591 (let ((articles (gnus-summary-work-articles n))
7592 (prefix (if (gnus-check-backend-function
7593 'request-move-article gnus-newsgroup-name)
7594 (gnus-group-real-prefix gnus-newsgroup-name)
7596 (names '((move "Move" "Moving")
7597 (copy "Copy" "Copying")
7598 (crosspost "Crosspost" "Crossposting")))
7599 (copy-buf (save-excursion
7600 (nnheader-set-temp-buffer " *copy article*")))
7601 art-group to-method new-xref article to-groups)
7602 (unless (assq action names)
7603 (error "Unknown action %s" action))
7604 ;; Read the newsgroup name.
7605 (when (and (not to-newsgroup)
7606 (not select-method))
7608 (gnus-read-move-group-name
7609 (cadr (assq action names))
7610 (symbol-value (intern (format "gnus-current-%s-group" action)))
7612 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
7613 (setq to-method (or select-method
7614 (gnus-server-to-method
7615 (gnus-group-method to-newsgroup))))
7616 ;; Check the method we are to move this article to...
7617 (unless (gnus-check-backend-function
7618 'request-accept-article (car to-method))
7619 (error "%s does not support article copying" (car to-method)))
7620 (unless (gnus-check-server to-method)
7621 (error "Can't open server %s" (car to-method)))
7622 (gnus-message 6 "%s to %s: %s..."
7623 (caddr (assq action names))
7624 (or (car select-method) to-newsgroup) articles)
7626 (setq article (pop articles))
7630 ;; Move the article.
7632 ;; Remove this article from future suppression.
7633 (gnus-dup-unsuppress-article article)
7634 (gnus-request-move-article
7635 article ; Article to move
7636 gnus-newsgroup-name ; From newsgroup
7637 (nth 1 (gnus-find-method-for-group
7638 gnus-newsgroup-name)) ; Server
7639 (list 'gnus-request-accept-article
7640 to-newsgroup (list 'quote select-method)
7641 (not articles) t) ; Accept form
7642 (not articles))) ; Only save nov last time
7643 ;; Copy the article.
7646 (set-buffer copy-buf)
7647 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
7648 (gnus-request-accept-article
7649 to-newsgroup select-method (not articles) t))))
7650 ;; Crosspost the article.
7651 ((eq action 'crosspost)
7652 (let ((xref (message-tokenize-header
7653 (mail-header-xref (gnus-summary-article-header article))
7655 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
7658 (setq xref (list (system-name))))
7661 (mapconcat 'identity
7662 (delete "Xref:" (delete new-xref xref))
7666 (set-buffer copy-buf)
7667 ;; First put the article in the destination group.
7668 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7669 (when (consp (setq art-group
7670 (gnus-request-accept-article
7671 to-newsgroup select-method (not articles))))
7672 (setq new-xref (concat new-xref " " (car art-group)
7673 ":" (cdr art-group)))
7674 ;; Now we have the new Xrefs header, so we insert
7675 ;; it and replace the new article.
7676 (nnheader-replace-header "Xref" new-xref)
7677 (gnus-request-replace-article
7678 (cdr art-group) to-newsgroup (current-buffer))
7682 (gnus-message 1 "Couldn't %s article %s: %s"
7683 (cadr (assq action names)) article
7684 (nnheader-get-report (car to-method))))
7685 ((eq art-group 'junk)
7686 (when (eq action 'move)
7687 (gnus-summary-mark-article article gnus-canceled-mark)
7688 (gnus-message 4 "Deleted article %s" article)))
7690 (let* ((pto-group (gnus-group-prefixed-name
7691 (car art-group) to-method))
7693 (gnus-gethash pto-group gnus-newsrc-hashtb))
7694 (info (nth 2 entry))
7695 (to-group (gnus-info-group info))
7697 ;; Update the group that has been moved to.
7699 (memq action '(move copy)))
7700 (unless (member to-group to-groups)
7701 (push to-group to-groups))
7703 (unless (memq article gnus-newsgroup-unreads)
7704 (push 'read to-marks)
7706 info (gnus-add-to-range (gnus-info-read info)
7707 (list (cdr art-group)))))
7709 ;; See whether the article is to be put in the cache.
7710 (let ((marks gnus-article-mark-lists)
7711 (to-article (cdr art-group)))
7713 ;; Enter the article into the cache in the new group,
7714 ;; if that is required.
7715 (when gnus-use-cache
7716 (gnus-cache-possibly-enter-article
7718 (memq article gnus-newsgroup-marked)
7719 (memq article gnus-newsgroup-dormant)
7720 (memq article gnus-newsgroup-unreads)))
7722 (when gnus-preserve-marks
7723 ;; Copy any marks over to the new group.
7724 (when (and (equal to-group gnus-newsgroup-name)
7725 (not (memq article gnus-newsgroup-unreads)))
7726 ;; Mark this article as read in this group.
7727 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7728 (setcdr (gnus-active to-group) to-article)
7729 (setcdr gnus-newsgroup-active to-article))
7732 (when (memq article (symbol-value
7733 (intern (format "gnus-newsgroup-%s"
7735 (push (cdar marks) to-marks)
7736 ;; If the other group is the same as this group,
7737 ;; then we have to add the mark to the list.
7738 (when (equal to-group gnus-newsgroup-name)
7739 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7742 (intern (format "gnus-newsgroup-%s"
7744 ;; Copy the marks to other group.
7745 (gnus-add-marked-articles
7746 to-group (cdar marks) (list to-article) info))
7747 (setq marks (cdr marks)))
7749 (gnus-request-set-mark to-group (list (list (list to-article)
7754 (concat "(gnus-group-set-info '"
7755 (gnus-prin1-to-string (gnus-get-info to-group))
7758 ;; Update the Xref header in this article to point to
7759 ;; the new crossposted article we have just created.
7760 (when (eq action 'crosspost)
7762 (set-buffer copy-buf)
7763 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7764 (nnheader-replace-header "Xref" new-xref)
7765 (gnus-request-replace-article
7766 article gnus-newsgroup-name (current-buffer)))))
7768 ;;;!!!Why is this necessary?
7769 (set-buffer gnus-summary-buffer)
7771 (gnus-summary-goto-subject article)
7772 (when (eq action 'move)
7773 (gnus-summary-mark-article article gnus-canceled-mark))))
7774 (gnus-summary-remove-process-mark article))
7775 ;; Re-activate all groups that have been moved to.
7778 (set-buffer gnus-group-buffer)
7779 (when (gnus-group-goto-group (car to-groups) t)
7780 (gnus-group-get-new-news-this-group 1 t))
7783 (gnus-kill-buffer copy-buf)
7784 (gnus-summary-position-point)
7785 (gnus-set-mode-line 'summary)))
7787 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7788 "Move the current article to a different newsgroup.
7789 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7790 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7791 re-spool using this method."
7793 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7795 (defun gnus-summary-crosspost-article (&optional n)
7796 "Crosspost the current article to some other group."
7798 (gnus-summary-move-article n nil nil 'crosspost))
7800 (defcustom gnus-summary-respool-default-method nil
7801 "Default method for respooling an article.
7802 If nil, use to the current newsgroup method."
7803 :type '(choice (gnus-select-method :value (nnml ""))
7805 :group 'gnus-summary-mail)
7807 (defun gnus-summary-respool-article (&optional n method)
7808 "Respool the current article.
7809 The article will be squeezed through the mail spooling process again,
7810 which means that it will be put in some mail newsgroup or other
7811 depending on `nnmail-split-methods'.
7812 If N is a positive number, respool the N next articles.
7813 If N is a negative number, respool the N previous articles.
7814 If N is nil and any articles have been marked with the process mark,
7815 respool those articles instead.
7817 Respooling can be done both from mail groups and \"real\" newsgroups.
7818 In the former case, the articles in question will be moved from the
7819 current group into whatever groups they are destined to. In the
7820 latter case, they will be copied into the relevant groups."
7822 (list current-prefix-arg
7823 (let* ((methods (gnus-methods-using 'respool))
7825 (symbol-name (or gnus-summary-respool-default-method
7826 (car (gnus-find-method-for-group
7827 gnus-newsgroup-name)))))
7829 (gnus-completing-read
7830 methname "What backend do you want to use when respooling?"
7831 methods nil t nil 'gnus-mail-method-history))
7834 ((zerop (length (setq ms (gnus-servers-using-backend
7836 (list (intern method) ""))
7840 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7841 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7844 (error "No method given for respooling"))
7845 (if (assoc (symbol-name
7846 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7847 (gnus-methods-using 'respool))
7848 (gnus-summary-move-article n nil method)
7849 (gnus-summary-copy-article n nil method)))
7851 (defun gnus-summary-import-article (file)
7852 "Import an arbitrary file into a mail newsgroup."
7853 (interactive "fImport file: ")
7854 (let ((group gnus-newsgroup-name)
7855 (now (current-time))
7857 (unless (gnus-check-backend-function 'request-accept-article group)
7858 (error "%s does not support article importing" group))
7859 (or (file-readable-p file)
7860 (not (file-regular-p file))
7861 (error "Can't read %s" file))
7863 (set-buffer (gnus-get-buffer-create " *import file*"))
7865 (nnheader-insert-file-contents file)
7866 (goto-char (point-min))
7867 (unless (nnheader-article-p)
7868 ;; This doesn't look like an article, so we fudge some headers.
7869 (setq atts (file-attributes file)
7870 lines (count-lines (point-min) (point-max)))
7871 (insert "From: " (read-string "From: ") "\n"
7872 "Subject: " (read-string "Subject: ") "\n"
7873 "Date: " (message-make-date (nth 5 atts))
7875 "Message-ID: " (message-make-message-id) "\n"
7876 "Lines: " (int-to-string lines) "\n"
7877 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7878 (gnus-request-accept-article group nil t)
7879 (kill-buffer (current-buffer)))))
7881 (defun gnus-summary-article-posted-p ()
7882 "Say whether the current (mail) article is available from news as well.
7883 This will be the case if the article has both been mailed and posted."
7885 (let ((id (mail-header-references (gnus-summary-article-header)))
7886 (gnus-override-method (car (gnus-refer-article-methods))))
7887 (if (gnus-request-head id "")
7888 (gnus-message 2 "The current message was found on %s"
7889 gnus-override-method)
7890 (gnus-message 2 "The current message couldn't be found on %s"
7891 gnus-override-method)
7894 (defun gnus-summary-expire-articles (&optional now)
7895 "Expire all articles that are marked as expirable in the current group."
7897 (when (gnus-check-backend-function
7898 'request-expire-articles gnus-newsgroup-name)
7899 ;; This backend supports expiry.
7900 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7901 (expirable (if total
7903 ;; We need to update the info for
7904 ;; this group for `gnus-list-of-read-articles'
7905 ;; to give us the right answer.
7906 (gnus-run-hooks 'gnus-exit-group-hook)
7907 (gnus-summary-update-info)
7908 (gnus-list-of-read-articles gnus-newsgroup-name))
7909 (setq gnus-newsgroup-expirable
7910 (sort gnus-newsgroup-expirable '<))))
7911 (expiry-wait (if now 'immediate
7912 (gnus-group-find-parameter
7913 gnus-newsgroup-name 'expiry-wait)))
7914 (nnmail-expiry-target
7915 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
7916 nnmail-expiry-target))
7919 ;; There are expirable articles in this group, so we run them
7920 ;; through the expiry process.
7921 (gnus-message 6 "Expiring articles...")
7922 (unless (gnus-check-group gnus-newsgroup-name)
7923 (error "Can't open server for %s" gnus-newsgroup-name))
7924 ;; The list of articles that weren't expired is returned.
7927 (let ((nnmail-expiry-wait-function nil)
7928 (nnmail-expiry-wait expiry-wait))
7929 (setq es (gnus-request-expire-articles
7930 expirable gnus-newsgroup-name)))
7931 (setq es (gnus-request-expire-articles
7932 expirable gnus-newsgroup-name)))
7934 (setq gnus-newsgroup-expirable es))
7935 ;; We go through the old list of expirable, and mark all
7936 ;; really expired articles as nonexistent.
7937 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7938 (let ((gnus-use-cache nil))
7940 (unless (memq (car expirable) es)
7941 (when (gnus-data-find (car expirable))
7942 (gnus-summary-mark-article
7943 (car expirable) gnus-canceled-mark)))
7944 (setq expirable (cdr expirable))))))
7945 (gnus-message 6 "Expiring articles...done")))))
7947 (defun gnus-summary-expire-articles-now ()
7948 "Expunge all expirable articles in the current group.
7949 This means that *all* articles that are marked as expirable will be
7950 deleted forever, right now."
7952 (or gnus-expert-user
7954 "Are you really, really, really sure you want to delete all these messages? ")
7956 (gnus-summary-expire-articles t))
7958 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7959 (defun gnus-summary-delete-article (&optional n)
7960 "Delete the N next (mail) articles.
7961 This command actually deletes articles. This is not a marking
7962 command. The article will disappear forever from your life, never to
7964 If N is negative, delete backwards.
7965 If N is nil and articles have been marked with the process mark,
7966 delete these instead."
7968 (unless (gnus-check-backend-function 'request-expire-articles
7969 gnus-newsgroup-name)
7970 (error "The current newsgroup does not support article deletion"))
7971 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
7972 (error "Couldn't open server"))
7973 ;; Compute the list of articles to delete.
7974 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7976 (if (and gnus-novice-user
7977 (not (gnus-yes-or-no-p
7978 (format "Do you really want to delete %s forever? "
7979 (if (> (length articles) 1)
7980 (format "these %s articles" (length articles))
7983 ;; Delete the articles.
7984 (setq not-deleted (gnus-request-expire-articles
7985 articles gnus-newsgroup-name 'force))
7987 (gnus-summary-remove-process-mark (car articles))
7988 ;; The backend might not have been able to delete the article
7990 (unless (memq (car articles) not-deleted)
7991 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7992 (setq articles (cdr articles)))
7994 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7995 (gnus-summary-position-point)
7996 (gnus-set-mode-line 'summary)
7999 (defun gnus-summary-edit-article (&optional arg)
8000 "Edit the current article.
8001 This will have permanent effect only in mail groups.
8002 If ARG is nil, edit the decoded articles.
8003 If ARG is 1, edit the raw articles.
8004 If ARG is 2, edit the raw articles even in read-only groups.
8005 If ARG is 3, edit the articles with the current handles.
8006 Otherwise, allow editing of articles even in read-only
8009 (let (force raw current-handles)
8012 ((eq arg 1) (setq raw t))
8013 ((eq arg 2) (setq raw t
8015 ((eq arg 3) (setq current-handles
8016 (and (gnus-buffer-live-p gnus-article-buffer)
8017 (with-current-buffer gnus-article-buffer
8019 gnus-article-mime-handles
8020 (setq gnus-article-mime-handles nil))))))
8022 (if (and raw (not force) (equal gnus-newsgroup-name "nndraft:drafts"))
8023 (error "Can't edit the raw article in group nndraft:drafts."))
8025 (set-buffer gnus-summary-buffer)
8026 (let ((mail-parse-charset gnus-newsgroup-charset)
8027 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
8028 (gnus-set-global-variables)
8029 (when (and (not force)
8030 (gnus-group-read-only-p))
8031 (error "The current newsgroup does not support article editing"))
8032 (gnus-summary-show-article t)
8033 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
8034 (with-current-buffer gnus-article-buffer
8035 (mm-enable-multibyte-mule4)))
8036 (if (equal gnus-newsgroup-name "nndraft:drafts")
8038 (gnus-article-edit-article
8041 (let ((mbl mml-buffer-list))
8042 (setq mml-buffer-list nil)
8043 (mime-to-mml ,'current-handles)
8044 (make-local-hook 'kill-buffer-hook)
8045 (let ((mbl1 mml-buffer-list))
8046 (setq mml-buffer-list mbl)
8047 (set (make-local-variable 'mml-buffer-list) mbl1))
8048 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
8049 `(lambda (no-highlight)
8050 (let ((mail-parse-charset ',gnus-newsgroup-charset)
8051 (message-options message-options)
8052 (message-options-set-recipient)
8053 (mail-parse-ignored-charsets
8054 ',gnus-newsgroup-ignored-charsets))
8055 ,(if (not raw) '(progn
8057 (mml-destroy-buffers)
8058 (remove-hook 'kill-buffer-hook
8059 'mml-destroy-buffers t)
8060 (kill-local-variable 'mml-buffer-list)))
8061 (gnus-summary-edit-article-done
8062 ,(or (mail-header-references gnus-current-headers) "")
8063 ,(gnus-group-read-only-p)
8064 ,gnus-summary-buffer no-highlight))))))))
8066 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
8068 (defun gnus-summary-edit-article-done (&optional references read-only buffer
8070 "Make edits to the current article permanent."
8073 ;; The buffer restriction contains the entire article if it exists.
8074 (when (article-goto-body)
8075 (let ((lines (count-lines (point) (point-max)))
8076 (length (- (point-max) (point)))
8077 (case-fold-search t)
8078 (body (copy-marker (point))))
8079 (goto-char (point-min))
8080 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
8081 (delete-region (match-beginning 1) (match-end 1))
8082 (insert (number-to-string length)))
8083 (goto-char (point-min))
8084 (when (re-search-forward
8085 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
8086 (delete-region (match-beginning 1) (match-end 1))
8087 (insert (number-to-string length)))
8088 (goto-char (point-min))
8089 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
8090 (delete-region (match-beginning 1) (match-end 1))
8091 (insert (number-to-string lines))))))
8092 ;; Replace the article.
8093 (let ((buf (current-buffer)))
8095 (insert-buffer-substring buf)
8097 (if (and (not read-only)
8098 (not (gnus-request-replace-article
8099 (cdr gnus-article-current) (car gnus-article-current)
8100 (current-buffer) t)))
8101 (error "Couldn't replace article")
8102 ;; Update the summary buffer.
8104 (equal (message-tokenize-header references " ")
8105 (message-tokenize-header
8106 (or (message-fetch-field "references") "") " ")))
8107 ;; We only have to update this line.
8110 (message-narrow-to-head)
8111 (let ((head (buffer-string))
8114 (insert (format "211 %d Article retrieved.\n"
8115 (cdr gnus-article-current)))
8118 (let ((nntp-server-buffer (current-buffer)))
8119 (setq header (car (gnus-get-newsgroup-headers
8121 (set-buffer gnus-summary-buffer)
8122 gnus-newsgroup-dependencies)
8125 (set-buffer gnus-summary-buffer)
8126 (gnus-data-set-header
8127 (gnus-data-find (cdr gnus-article-current))
8129 (gnus-summary-update-article-line
8130 (cdr gnus-article-current) header))))))
8132 (set-buffer (or buffer gnus-summary-buffer))
8133 (gnus-summary-update-article (cdr gnus-article-current)))
8134 ;; Prettify the article buffer again.
8135 (unless no-highlight
8137 (set-buffer gnus-article-buffer)
8138 ;;;!!! Fix this -- article should be rehighlighted.
8139 ;;;(gnus-run-hooks 'gnus-article-display-hook)
8140 (set-buffer gnus-original-article-buffer)
8141 (gnus-request-article
8142 (cdr gnus-article-current)
8143 (car gnus-article-current) (current-buffer))))
8144 ;; Prettify the summary buffer line.
8145 (when (gnus-visual-p 'summary-highlight 'highlight)
8146 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
8148 (defun gnus-summary-edit-wash (key)
8149 "Perform editing command KEY in the article buffer."
8153 (message "%s" (concat (this-command-keys) "- "))
8156 (gnus-summary-edit-article)
8157 (execute-kbd-macro (concat (this-command-keys) key))
8158 (gnus-article-edit-done))
8162 (defun gnus-summary-respool-query (&optional silent trace)
8163 "Query where the respool algorithm would put this article."
8165 (let (gnus-mark-article-hook)
8166 (gnus-summary-select-article)
8168 (set-buffer gnus-original-article-buffer)
8170 (message-narrow-to-head)
8171 (let ((groups (nnmail-article-group 'identity trace)))
8174 (message "This message would go to %s"
8175 (mapconcat 'car groups ", "))
8176 (message "This message would go to no groups"))
8179 (defun gnus-summary-respool-trace ()
8180 "Trace where the respool algorithm would put this article.
8181 Display a buffer showing all fancy splitting patterns which matched."
8183 (gnus-summary-respool-query nil t))
8185 ;; Summary marking commands.
8187 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
8188 "Mark articles which has the same subject as read, and then select the next.
8189 If UNMARK is positive, remove any kind of mark.
8190 If UNMARK is negative, tick articles."
8193 (setq unmark (prefix-numeric-value unmark)))
8195 (gnus-summary-mark-same-subject
8196 (gnus-summary-article-subject) unmark)))
8197 ;; Select next unread article. If auto-select-same mode, should
8198 ;; select the first unread article.
8199 (gnus-summary-next-article t (and gnus-auto-select-same
8200 (gnus-summary-article-subject)))
8201 (gnus-message 7 "%d article%s marked as %s"
8202 count (if (= count 1) " is" "s are")
8203 (if unmark "unread" "read"))))
8205 (defun gnus-summary-kill-same-subject (&optional unmark)
8206 "Mark articles which has the same subject as read.
8207 If UNMARK is positive, remove any kind of mark.
8208 If UNMARK is negative, tick articles."
8211 (setq unmark (prefix-numeric-value unmark)))
8213 (gnus-summary-mark-same-subject
8214 (gnus-summary-article-subject) unmark)))
8215 ;; If marked as read, go to next unread subject.
8217 ;; Go to next unread subject.
8218 (gnus-summary-next-subject 1 t))
8219 (gnus-message 7 "%d articles are marked as %s"
8220 count (if unmark "unread" "read"))))
8222 (defun gnus-summary-mark-same-subject (subject &optional unmark)
8223 "Mark articles with same SUBJECT as read, and return marked number.
8224 If optional argument UNMARK is positive, remove any kinds of marks.
8225 If optional argument UNMARK is negative, mark articles as unread instead."
8229 ((null unmark) ; Mark as read.
8232 (gnus-summary-mark-article-as-read gnus-killed-mark)
8233 (gnus-summary-show-thread) t)
8234 (gnus-summary-find-subject subject))
8235 (setq count (1+ count))))
8236 ((> unmark 0) ; Tick.
8239 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
8240 (gnus-summary-show-thread) t)
8241 (gnus-summary-find-subject subject))
8242 (setq count (1+ count))))
8243 (t ; Mark as unread.
8246 (gnus-summary-mark-article-as-unread gnus-unread-mark)
8247 (gnus-summary-show-thread) t)
8248 (gnus-summary-find-subject subject))
8249 (setq count (1+ count)))))
8250 (gnus-set-mode-line 'summary)
8251 ;; Return the number of marked articles.
8254 (defun gnus-summary-mark-as-processable (n &optional unmark)
8255 "Set the process mark on the next N articles.
8256 If N is negative, mark backward instead. If UNMARK is non-nil, remove
8257 the process mark instead. The difference between N and the actual
8258 number of articles marked is returned."
8260 (let ((backward (< n 0))
8265 (gnus-summary-remove-process-mark
8266 (gnus-summary-article-number))
8267 (gnus-summary-set-process-mark (gnus-summary-article-number)))
8268 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
8271 (gnus-message 7 "No more articles"))
8272 (gnus-summary-recenter)
8273 (gnus-summary-position-point)
8276 (defun gnus-summary-unmark-as-processable (n)
8277 "Remove the process mark from the next N articles.
8278 If N is negative, unmark backward instead. The difference between N and
8279 the actual number of articles unmarked is returned."
8281 (gnus-summary-mark-as-processable n t))
8283 (defun gnus-summary-unmark-all-processable ()
8284 "Remove the process mark from all articles."
8287 (while gnus-newsgroup-processable
8288 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
8289 (gnus-summary-position-point))
8291 (defun gnus-summary-mark-as-expirable (n)
8292 "Mark N articles forward as expirable.
8293 If N is negative, mark backward instead. The difference between N and
8294 the actual number of articles marked is returned."
8296 (gnus-summary-mark-forward n gnus-expirable-mark))
8298 (defun gnus-summary-mark-article-as-replied (article)
8299 "Mark ARTICLE replied and update the summary line."
8300 (push article gnus-newsgroup-replied)
8301 (let ((buffer-read-only nil))
8302 (when (gnus-summary-goto-subject article nil t)
8303 (gnus-summary-update-secondary-mark article))))
8305 (defun gnus-summary-set-bookmark (article)
8306 "Set a bookmark in current article."
8307 (interactive (list (gnus-summary-article-number)))
8308 (when (or (not (get-buffer gnus-article-buffer))
8309 (not gnus-current-article)
8310 (not gnus-article-current)
8311 (not (equal gnus-newsgroup-name (car gnus-article-current))))
8312 (error "No current article selected"))
8313 ;; Remove old bookmark, if one exists.
8314 (let ((old (assq article gnus-newsgroup-bookmarks)))
8316 (setq gnus-newsgroup-bookmarks
8317 (delq old gnus-newsgroup-bookmarks))))
8318 ;; Set the new bookmark, which is on the form
8319 ;; (article-number . line-number-in-body).
8323 (set-buffer gnus-article-buffer)
8327 (goto-char (point-min))
8328 (search-forward "\n\n" nil t)
8331 gnus-newsgroup-bookmarks)
8332 (gnus-message 6 "A bookmark has been added to the current article."))
8334 (defun gnus-summary-remove-bookmark (article)
8335 "Remove the bookmark from the current article."
8336 (interactive (list (gnus-summary-article-number)))
8337 ;; Remove old bookmark, if one exists.
8338 (let ((old (assq article gnus-newsgroup-bookmarks)))
8341 (setq gnus-newsgroup-bookmarks
8342 (delq old gnus-newsgroup-bookmarks))
8343 (gnus-message 6 "Removed bookmark."))
8344 (gnus-message 6 "No bookmark in current article."))))
8346 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8347 (defun gnus-summary-mark-as-dormant (n)
8348 "Mark N articles forward as dormant.
8349 If N is negative, mark backward instead. The difference between N and
8350 the actual number of articles marked is returned."
8352 (gnus-summary-mark-forward n gnus-dormant-mark))
8354 (defun gnus-summary-set-process-mark (article)
8355 "Set the process mark on ARTICLE and update the summary line."
8356 (setq gnus-newsgroup-processable
8358 (delq article gnus-newsgroup-processable)))
8359 (when (gnus-summary-goto-subject article)
8360 (gnus-summary-show-thread)
8361 (gnus-summary-goto-subject article)
8362 (gnus-summary-update-secondary-mark article)))
8364 (defun gnus-summary-remove-process-mark (article)
8365 "Remove the process mark from ARTICLE and update the summary line."
8366 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
8367 (when (gnus-summary-goto-subject article)
8368 (gnus-summary-show-thread)
8369 (gnus-summary-goto-subject article)
8370 (gnus-summary-update-secondary-mark article)))
8372 (defun gnus-summary-set-saved-mark (article)
8373 "Set the process mark on ARTICLE and update the summary line."
8374 (push article gnus-newsgroup-saved)
8375 (when (gnus-summary-goto-subject article)
8376 (gnus-summary-update-secondary-mark article)))
8378 (defun gnus-summary-mark-forward (n &optional mark no-expire)
8379 "Mark N articles as read forwards.
8380 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
8381 The difference between N and the actual number of articles marked is
8383 Iff NO-EXPIRE, auto-expiry will be inhibited."
8385 (gnus-summary-show-thread)
8386 (let ((backward (< n 0))
8387 (gnus-summary-goto-unread
8388 (and gnus-summary-goto-unread
8389 (not (eq gnus-summary-goto-unread 'never))
8390 (not (memq mark (list gnus-unread-mark
8391 gnus-ticked-mark gnus-dormant-mark)))))
8393 (mark (or mark gnus-del-mark)))
8395 (gnus-summary-mark-article nil mark no-expire)
8396 (zerop (gnus-summary-next-subject
8398 (and gnus-summary-goto-unread
8399 (not (eq gnus-summary-goto-unread 'never)))
8403 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
8404 (gnus-summary-recenter)
8405 (gnus-summary-position-point)
8406 (gnus-set-mode-line 'summary)
8409 (defun gnus-summary-mark-article-as-read (mark)
8410 "Mark the current article quickly as read with MARK."
8411 (let ((article (gnus-summary-article-number)))
8412 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8413 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8414 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8415 (push (cons article mark) gnus-newsgroup-reads)
8416 ;; Possibly remove from cache, if that is used.
8417 (when gnus-use-cache
8418 (gnus-cache-enter-remove-article article))
8419 ;; Allow the backend to change the mark.
8420 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8421 ;; Check for auto-expiry.
8422 (when (and gnus-newsgroup-auto-expire
8423 (memq mark gnus-auto-expirable-marks))
8424 (setq mark gnus-expirable-mark)
8425 ;; Let the backend know about the mark change.
8426 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8427 (push article gnus-newsgroup-expirable))
8428 ;; Set the mark in the buffer.
8429 (gnus-summary-update-mark mark 'unread)
8432 (defun gnus-summary-mark-article-as-unread (mark)
8433 "Mark the current article quickly as unread with MARK."
8434 (let* ((article (gnus-summary-article-number))
8435 (old-mark (gnus-summary-article-mark article)))
8436 ;; Allow the backend to change the mark.
8437 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8438 (if (eq mark old-mark)
8442 (gnus-error 1 "Can't mark negative article numbers")
8444 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8445 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8446 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
8447 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
8448 (cond ((= mark gnus-ticked-mark)
8449 (push article gnus-newsgroup-marked))
8450 ((= mark gnus-dormant-mark)
8451 (push article gnus-newsgroup-dormant))
8453 (push article gnus-newsgroup-unreads)))
8454 (gnus-pull article gnus-newsgroup-reads)
8456 ;; See whether the article is to be put in the cache.
8458 (vectorp (gnus-summary-article-header article))
8460 (gnus-cache-possibly-enter-article
8461 gnus-newsgroup-name article
8462 (= mark gnus-ticked-mark)
8463 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8466 (gnus-summary-update-mark mark 'unread)
8469 (defun gnus-summary-mark-article (&optional article mark no-expire)
8470 "Mark ARTICLE with MARK. MARK can be any character.
8471 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
8472 `??' (dormant) and `?E' (expirable).
8473 If MARK is nil, then the default character `?r' is used.
8474 If ARTICLE is nil, then the article on the current line will be
8476 Iff NO-EXPIRE, auto-expiry will be inhibited."
8477 ;; The mark might be a string.
8478 (when (stringp mark)
8479 (setq mark (aref mark 0)))
8480 ;; If no mark is given, then we check auto-expiring.
8482 (setq mark gnus-del-mark))
8483 (when (and (not no-expire)
8484 gnus-newsgroup-auto-expire
8485 (memq mark gnus-auto-expirable-marks))
8486 (setq mark gnus-expirable-mark))
8487 (let ((article (or article (gnus-summary-article-number)))
8488 (old-mark (gnus-summary-article-mark article)))
8489 ;; Allow the backend to change the mark.
8490 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8491 (if (eq mark old-mark)
8494 (error "No article on current line"))
8495 (if (not (if (or (= mark gnus-unread-mark)
8496 (= mark gnus-ticked-mark)
8497 (= mark gnus-dormant-mark))
8498 (gnus-mark-article-as-unread article mark)
8499 (gnus-mark-article-as-read article mark)))
8501 ;; See whether the article is to be put in the cache.
8503 (not (= mark gnus-canceled-mark))
8504 (vectorp (gnus-summary-article-header article))
8506 (gnus-cache-possibly-enter-article
8507 gnus-newsgroup-name article
8508 (= mark gnus-ticked-mark)
8509 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8511 (when (gnus-summary-goto-subject article nil t)
8512 (let ((buffer-read-only nil))
8513 (gnus-summary-show-thread)
8515 (gnus-summary-update-mark mark 'unread)
8518 (defun gnus-summary-update-secondary-mark (article)
8519 "Update the secondary (read, process, cache) mark."
8520 (gnus-summary-update-mark
8521 (cond ((memq article gnus-newsgroup-processable)
8523 ((memq article gnus-newsgroup-cached)
8525 ((memq article gnus-newsgroup-replied)
8527 ((memq article gnus-newsgroup-saved)
8529 (t gnus-unread-mark))
8531 (when (gnus-visual-p 'summary-highlight 'highlight)
8532 (gnus-run-hooks 'gnus-summary-update-hook))
8535 (defun gnus-summary-update-mark (mark type)
8536 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
8537 (buffer-read-only nil))
8538 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
8540 (when (looking-at "\r")
8542 (when (<= (+ forward (point)) (point-max))
8543 ;; Go to the right position on the line.
8544 (goto-char (+ forward (point)))
8545 ;; Replace the old mark with the new mark.
8546 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
8547 ;; Optionally update the marks by some user rule.
8548 (when (eq type 'unread)
8550 (gnus-data-find (gnus-summary-article-number)) mark)
8551 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
8553 (defun gnus-mark-article-as-read (article &optional mark)
8554 "Enter ARTICLE in the pertinent lists and remove it from others."
8555 ;; Make the article expirable.
8556 (let ((mark (or mark gnus-del-mark)))
8557 (if (= mark gnus-expirable-mark)
8558 (push article gnus-newsgroup-expirable)
8559 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
8560 ;; Remove from unread and marked lists.
8561 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8562 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8563 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8564 (push (cons article mark) gnus-newsgroup-reads)
8565 ;; Possibly remove from cache, if that is used.
8566 (when gnus-use-cache
8567 (gnus-cache-enter-remove-article article))
8570 (defun gnus-mark-article-as-unread (article &optional mark)
8571 "Enter ARTICLE in the pertinent lists and remove it from others."
8572 (let ((mark (or mark gnus-ticked-mark)))
8575 (gnus-error 1 "Can't mark negative article numbers")
8577 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
8578 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
8579 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
8580 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8582 ;; Unsuppress duplicates?
8583 (when gnus-suppress-duplicates
8584 (gnus-dup-unsuppress-article article))
8586 (cond ((= mark gnus-ticked-mark)
8587 (push article gnus-newsgroup-marked))
8588 ((= mark gnus-dormant-mark)
8589 (push article gnus-newsgroup-dormant))
8591 (push article gnus-newsgroup-unreads)))
8592 (gnus-pull article gnus-newsgroup-reads)
8595 (defalias 'gnus-summary-mark-as-unread-forward
8596 'gnus-summary-tick-article-forward)
8597 (make-obsolete 'gnus-summary-mark-as-unread-forward
8598 'gnus-summary-tick-article-forward)
8599 (defun gnus-summary-tick-article-forward (n)
8600 "Tick N articles forwards.
8601 If N is negative, tick backwards instead.
8602 The difference between N and the number of articles ticked is returned."
8604 (gnus-summary-mark-forward n gnus-ticked-mark))
8606 (defalias 'gnus-summary-mark-as-unread-backward
8607 'gnus-summary-tick-article-backward)
8608 (make-obsolete 'gnus-summary-mark-as-unread-backward
8609 'gnus-summary-tick-article-backward)
8610 (defun gnus-summary-tick-article-backward (n)
8611 "Tick N articles backwards.
8612 The difference between N and the number of articles ticked is returned."
8614 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
8616 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8617 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8618 (defun gnus-summary-tick-article (&optional article clear-mark)
8619 "Mark current article as unread.
8620 Optional 1st argument ARTICLE specifies article number to be marked as unread.
8621 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
8623 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
8626 (defun gnus-summary-mark-as-read-forward (n)
8627 "Mark N articles as read forwards.
8628 If N is negative, mark backwards instead.
8629 The difference between N and the actual number of articles marked is
8632 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
8634 (defun gnus-summary-mark-as-read-backward (n)
8635 "Mark the N articles as read backwards.
8636 The difference between N and the actual number of articles marked is
8639 (gnus-summary-mark-forward
8640 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
8642 (defun gnus-summary-mark-as-read (&optional article mark)
8643 "Mark current article as read.
8644 ARTICLE specifies the article to be marked as read.
8645 MARK specifies a string to be inserted at the beginning of the line."
8646 (gnus-summary-mark-article article mark))
8648 (defun gnus-summary-clear-mark-forward (n)
8649 "Clear marks from N articles forward.
8650 If N is negative, clear backward instead.
8651 The difference between N and the number of marks cleared is returned."
8653 (gnus-summary-mark-forward n gnus-unread-mark))
8655 (defun gnus-summary-clear-mark-backward (n)
8656 "Clear marks from N articles backward.
8657 The difference between N and the number of marks cleared is returned."
8659 (gnus-summary-mark-forward (- n) gnus-unread-mark))
8661 (defun gnus-summary-mark-unread-as-read ()
8662 "Intended to be used by `gnus-summary-mark-article-hook'."
8663 (when (memq gnus-current-article gnus-newsgroup-unreads)
8664 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
8666 (defun gnus-summary-mark-read-and-unread-as-read ()
8667 "Intended to be used by `gnus-summary-mark-article-hook'."
8668 (let ((mark (gnus-summary-article-mark)))
8669 (when (or (gnus-unread-mark-p mark)
8670 (gnus-read-mark-p mark))
8671 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
8673 (defun gnus-summary-mark-region-as-read (point mark all)
8674 "Mark all unread articles between point and mark as read.
8675 If given a prefix, mark all articles between point and mark as read,
8676 even ticked and dormant ones."
8677 (interactive "r\nP")
8686 (memq (setq article (gnus-summary-article-number))
8687 gnus-newsgroup-unreads))
8688 (gnus-summary-mark-article article gnus-del-mark))
8690 (gnus-summary-find-next))))))
8692 (defun gnus-summary-mark-below (score mark)
8693 "Mark articles with score less than SCORE with MARK."
8694 (interactive "P\ncMark: ")
8695 (setq score (if score
8696 (prefix-numeric-value score)
8697 (or gnus-summary-default-score 0)))
8699 (set-buffer gnus-summary-buffer)
8700 (goto-char (point-min))
8703 (and (< (gnus-summary-article-score) score)
8704 (gnus-summary-mark-article nil mark))
8705 (gnus-summary-find-next)))))
8707 (defun gnus-summary-kill-below (&optional score)
8708 "Mark articles with score below SCORE as read."
8710 (gnus-summary-mark-below score gnus-killed-mark))
8712 (defun gnus-summary-clear-above (&optional score)
8713 "Clear all marks from articles with score above SCORE."
8715 (gnus-summary-mark-above score gnus-unread-mark))
8717 (defun gnus-summary-tick-above (&optional score)
8718 "Tick all articles with score above SCORE."
8720 (gnus-summary-mark-above score gnus-ticked-mark))
8722 (defun gnus-summary-mark-above (score mark)
8723 "Mark articles with score over SCORE with MARK."
8724 (interactive "P\ncMark: ")
8725 (setq score (if score
8726 (prefix-numeric-value score)
8727 (or gnus-summary-default-score 0)))
8729 (set-buffer gnus-summary-buffer)
8730 (goto-char (point-min))
8732 (when (> (gnus-summary-article-score) score)
8733 (gnus-summary-mark-article nil mark))
8735 (gnus-summary-find-next)))))
8737 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8738 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
8739 (defun gnus-summary-limit-include-expunged (&optional no-error)
8740 "Display all the hidden articles that were expunged for low scores."
8742 (let ((buffer-read-only nil))
8743 (let ((scored gnus-newsgroup-scored)
8746 (unless (gnus-summary-goto-subject (caar scored))
8747 (and (setq h (gnus-summary-article-header (caar scored)))
8748 (< (cdar scored) gnus-summary-expunge-below)
8750 (setq scored (cdr scored)))
8752 (when (not no-error)
8753 (error "No expunged articles hidden"))
8754 (goto-char (point-min))
8755 (gnus-summary-prepare-unthreaded (nreverse headers))
8756 (goto-char (point-min))
8757 (gnus-summary-position-point)
8760 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8761 "Mark all unread articles in this newsgroup as read.
8762 If prefix argument ALL is non-nil, ticked and dormant articles will
8763 also be marked as read.
8764 If QUIETLY is non-nil, no questions will be asked.
8765 If TO-HERE is non-nil, it should be a point in the buffer. All
8766 articles before this point will be marked as read.
8767 Note that this function will only catch up the unread article
8768 in the current summary buffer limitation.
8769 The number of articles marked as read is returned."
8774 (not gnus-interactive-catchup) ;Without confirmation?
8778 "Mark absolutely all articles as read? "
8779 "Mark all unread articles as read? ")))
8781 (not gnus-newsgroup-adaptive)
8782 (not gnus-newsgroup-auto-expire)
8783 (not gnus-suppress-duplicates)
8784 (or (not gnus-use-cache)
8785 (eq gnus-use-cache 'passive)))
8788 (setq gnus-newsgroup-marked nil
8789 gnus-newsgroup-dormant nil))
8790 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8791 ;; We actually mark all articles as canceled, which we
8792 ;; have to do when using auto-expiry or adaptive scoring.
8793 (gnus-summary-show-all-threads)
8794 (when (gnus-summary-first-subject (not all) t)
8796 (if to-here (< (point) to-here) t)
8797 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8798 (gnus-summary-find-next (not all) nil nil t))))
8799 (gnus-set-mode-line 'summary))
8801 (gnus-summary-position-point)))
8803 (defun gnus-summary-catchup-to-here (&optional all)
8804 "Mark all unticked articles before the current one as read.
8805 If ALL is non-nil, also mark ticked and dormant articles as read."
8808 (gnus-save-hidden-threads
8809 (let ((beg (point)))
8810 ;; We check that there are unread articles.
8811 (when (or all (gnus-summary-find-prev))
8812 (gnus-summary-catchup all t beg)))))
8813 (gnus-summary-position-point))
8815 (defun gnus-summary-catchup-all (&optional quietly)
8816 "Mark all articles in this newsgroup as read."
8818 (gnus-summary-catchup t quietly))
8820 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8821 "Mark all unread articles in this group as read, then exit.
8822 If prefix argument ALL is non-nil, all articles are marked as read."
8824 (when (gnus-summary-catchup all quietly nil 'fast)
8825 ;; Select next newsgroup or exit.
8826 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8827 (eq gnus-auto-select-next 'quietly))
8828 (gnus-summary-next-group nil)
8829 (gnus-summary-exit))))
8831 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8832 "Mark all articles in this newsgroup as read, and then exit."
8834 (gnus-summary-catchup-and-exit t quietly))
8836 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8837 "Mark all articles in this group as read and select the next group.
8838 If given a prefix, mark all articles, unread as well as ticked, as
8842 (gnus-summary-catchup all))
8843 (gnus-summary-next-group))
8849 (defmacro gnus-with-article (article &rest forms)
8850 "Select ARTICLE and perform FORMS in the original article buffer.
8851 Then replace the article with the result."
8853 ;; We don't want the article to be marked as read.
8854 (let (gnus-mark-article-hook)
8855 (gnus-summary-select-article t t nil ,article))
8856 (set-buffer gnus-original-article-buffer)
8858 (if (not (gnus-check-backend-function
8859 'request-replace-article (car gnus-article-current)))
8860 (gnus-message 5 "Read-only group; not replacing")
8861 (unless (gnus-request-replace-article
8862 ,article (car gnus-article-current)
8864 (error "Couldn't replace article")))
8865 ;; The cache and backlog have to be flushed somewhat.
8866 (when gnus-keep-backlog
8867 (gnus-backlog-remove-article
8868 (car gnus-article-current) (cdr gnus-article-current)))
8869 (when gnus-use-cache
8870 (gnus-cache-update-article
8871 (car gnus-article-current) (cdr gnus-article-current)))))
8873 (put 'gnus-with-article 'lisp-indent-function 1)
8874 (put 'gnus-with-article 'edebug-form-spec '(form body))
8876 ;; Thread-based commands.
8878 (defun gnus-summary-articles-in-thread (&optional article)
8879 "Return a list of all articles in the current thread.
8880 If ARTICLE is non-nil, return all articles in the thread that starts
8882 (let* ((article (or article (gnus-summary-article-number)))
8883 (data (gnus-data-find-list article))
8884 (top-level (gnus-data-level (car data)))
8886 (cond ((null gnus-thread-operation-ignore-subject)
8887 (gnus-simplify-subject-re
8888 (mail-header-subject (gnus-data-header (car data)))))
8889 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8890 (gnus-simplify-subject-fuzzy
8891 (mail-header-subject (gnus-data-header (car data)))))
8893 (end-point (save-excursion
8894 (if (gnus-summary-go-to-next-thread)
8895 (point) (point-max))))
8898 (< (gnus-data-pos (car data)) end-point))
8899 (when (or (not top-subject)
8900 (string= top-subject
8901 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8902 (gnus-simplify-subject-fuzzy
8903 (mail-header-subject
8904 (gnus-data-header (car data))))
8905 (gnus-simplify-subject-re
8906 (mail-header-subject
8907 (gnus-data-header (car data)))))))
8908 (push (gnus-data-number (car data)) articles))
8909 (unless (and (setq data (cdr data))
8910 (> (gnus-data-level (car data)) top-level))
8912 ;; Return the list of articles.
8913 (nreverse articles)))
8915 (defun gnus-summary-rethread-current ()
8916 "Rethread the thread the current article is part of."
8918 (let* ((gnus-show-threads t)
8919 (article (gnus-summary-article-number))
8920 (id (mail-header-id (gnus-summary-article-header)))
8921 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8923 (error "No article on the current line"))
8924 (gnus-rebuild-thread id)
8925 (gnus-summary-goto-subject article)))
8927 (defun gnus-summary-reparent-thread ()
8928 "Make the current article child of the marked (or previous) article.
8930 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8931 is non-nil or the Subject: of both articles are the same."
8933 (unless (not (gnus-group-read-only-p))
8934 (error "The current newsgroup does not support article editing"))
8935 (unless (<= (length gnus-newsgroup-processable) 1)
8936 (error "No more than one article may be marked"))
8937 (save-window-excursion
8938 (let ((gnus-article-buffer " *reparent*")
8939 (current-article (gnus-summary-article-number))
8940 ;; First grab the marked article, otherwise one line up.
8941 (parent-article (if (not (null gnus-newsgroup-processable))
8942 (car gnus-newsgroup-processable)
8944 (if (eq (forward-line -1) 0)
8945 (gnus-summary-article-number)
8946 (error "Beginning of summary buffer"))))))
8947 (unless (not (eq current-article parent-article))
8948 (error "An article may not be self-referential"))
8949 (let ((message-id (mail-header-id
8950 (gnus-summary-article-header parent-article))))
8951 (unless (and message-id (not (equal message-id "")))
8952 (error "No message-id in desired parent"))
8953 (gnus-with-article current-article
8955 (goto-char (point-min))
8956 (message-narrow-to-head)
8957 (if (re-search-forward "^References: " nil t)
8959 (re-search-forward "^[^ \t]" nil t)
8962 (insert " " message-id))
8963 (insert "References: " message-id "\n"))))
8964 (set-buffer gnus-summary-buffer)
8965 (gnus-summary-unmark-all-processable)
8966 (gnus-summary-update-article current-article)
8967 (gnus-summary-rethread-current)
8968 (gnus-message 3 "Article %d is now the child of article %d"
8969 current-article parent-article)))))
8971 (defun gnus-summary-toggle-threads (&optional arg)
8972 "Toggle showing conversation threads.
8973 If ARG is positive number, turn showing conversation threads on."
8975 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8976 (setq gnus-show-threads
8977 (if (null arg) (not gnus-show-threads)
8978 (> (prefix-numeric-value arg) 0)))
8979 (gnus-summary-prepare)
8980 (gnus-summary-goto-subject current)
8981 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8982 (gnus-summary-position-point)))
8984 (defun gnus-summary-show-all-threads ()
8988 (let ((buffer-read-only nil))
8989 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8990 (gnus-summary-position-point))
8992 (defun gnus-summary-show-thread ()
8993 "Show thread subtrees.
8994 Returns nil if no thread was there to be shown."
8996 (let ((buffer-read-only nil)
8998 ;; first goto end then to beg, to have point at beg after let
8999 (end (progn (end-of-line) (point)))
9000 (beg (progn (beginning-of-line) (point))))
9002 ;; Any hidden lines here?
9003 (search-forward "\r" end t)
9004 (subst-char-in-region beg end ?\^M ?\n t)
9006 (gnus-summary-position-point))))
9008 (defun gnus-summary-hide-all-threads ()
9009 "Hide all thread subtrees."
9012 (goto-char (point-min))
9013 (gnus-summary-hide-thread)
9014 (while (zerop (gnus-summary-next-thread 1 t))
9015 (gnus-summary-hide-thread)))
9016 (gnus-summary-position-point))
9018 (defun gnus-summary-hide-thread ()
9019 "Hide thread subtrees.
9020 Returns nil if no threads were there to be hidden."
9022 (let ((buffer-read-only nil)
9024 (article (gnus-summary-article-number)))
9026 ;; Go forward until either the buffer ends or the subthread
9028 (when (and (not (eobp))
9029 (or (zerop (gnus-summary-next-thread 1 t))
9030 (goto-char (point-max))))
9032 (if (and (> (point) start)
9033 (search-backward "\n" start t))
9035 (subst-char-in-region start (point) ?\n ?\^M)
9036 (gnus-summary-goto-subject article))
9040 (defun gnus-summary-go-to-next-thread (&optional previous)
9041 "Go to the same level (or less) next thread.
9042 If PREVIOUS is non-nil, go to previous thread instead.
9043 Return the article number moved to, or nil if moving was impossible."
9044 (let ((level (gnus-summary-thread-level))
9045 (way (if previous -1 1))
9048 (while (and (not (eobp))
9049 (< level (gnus-summary-thread-level)))
9057 (gnus-summary-article-number)
9060 (defun gnus-summary-next-thread (n &optional silent)
9061 "Go to the same level next N'th thread.
9062 If N is negative, search backward instead.
9063 Returns the difference between N and the number of skips actually
9066 If SILENT, don't output messages."
9068 (let ((backward (< n 0))
9071 (gnus-summary-go-to-next-thread backward))
9074 (gnus-summary-position-point))
9075 (when (and (not silent) (/= 0 n))
9076 (gnus-message 7 "No more threads"))
9079 (defun gnus-summary-prev-thread (n)
9080 "Go to the same level previous N'th thread.
9081 Returns the difference between N and the number of skips actually
9084 (gnus-summary-next-thread (- n)))
9086 (defun gnus-summary-go-down-thread ()
9087 "Go down one level in the current thread."
9088 (let ((children (gnus-summary-article-children)))
9090 (gnus-summary-goto-subject (car children)))))
9092 (defun gnus-summary-go-up-thread ()
9093 "Go up one level in the current thread."
9094 (let ((parent (gnus-summary-article-parent)))
9096 (gnus-summary-goto-subject parent))))
9098 (defun gnus-summary-down-thread (n)
9099 "Go down thread N steps.
9100 If N is negative, go up instead.
9101 Returns the difference between N and how many steps down that were
9107 (if up (gnus-summary-go-up-thread)
9108 (gnus-summary-go-down-thread)))
9110 (gnus-summary-position-point)
9112 (gnus-message 7 "Can't go further"))
9115 (defun gnus-summary-up-thread (n)
9116 "Go up thread N steps.
9117 If N is negative, go up instead.
9118 Returns the difference between N and how many steps down that were
9121 (gnus-summary-down-thread (- n)))
9123 (defun gnus-summary-top-thread ()
9124 "Go to the top of the thread."
9126 (while (gnus-summary-go-up-thread))
9127 (gnus-summary-article-number))
9129 (defun gnus-summary-kill-thread (&optional unmark)
9130 "Mark articles under current thread as read.
9131 If the prefix argument is positive, remove any kinds of marks.
9132 If the prefix argument is negative, tick articles instead."
9135 (setq unmark (prefix-numeric-value unmark)))
9136 (let ((articles (gnus-summary-articles-in-thread)))
9138 ;; Expand the thread.
9139 (gnus-summary-show-thread)
9140 ;; Mark all the articles.
9142 (gnus-summary-goto-subject (car articles))
9143 (cond ((null unmark)
9144 (gnus-summary-mark-article-as-read gnus-killed-mark))
9146 (gnus-summary-mark-article-as-unread gnus-unread-mark))
9148 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
9149 (setq articles (cdr articles))))
9150 ;; Hide killed subtrees.
9152 gnus-thread-hide-killed
9153 (gnus-summary-hide-thread))
9154 ;; If marked as read, go to next unread subject.
9156 ;; Go to next unread subject.
9157 (gnus-summary-next-subject 1 t)))
9158 (gnus-set-mode-line 'summary))
9160 ;; Summary sorting commands
9162 (defun gnus-summary-sort-by-number (&optional reverse)
9163 "Sort the summary buffer by article number.
9164 Argument REVERSE means reverse order."
9166 (gnus-summary-sort 'number reverse))
9168 (defun gnus-summary-sort-by-author (&optional reverse)
9169 "Sort the summary buffer by author name alphabetically.
9170 If `case-fold-search' is non-nil, case of letters is ignored.
9171 Argument REVERSE means reverse order."
9173 (gnus-summary-sort 'author reverse))
9175 (defun gnus-summary-sort-by-subject (&optional reverse)
9176 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
9177 If `case-fold-search' is non-nil, case of letters is ignored.
9178 Argument REVERSE means reverse order."
9180 (gnus-summary-sort 'subject reverse))
9182 (defun gnus-summary-sort-by-date (&optional reverse)
9183 "Sort the summary buffer by date.
9184 Argument REVERSE means reverse order."
9186 (gnus-summary-sort 'date reverse))
9188 (defun gnus-summary-sort-by-score (&optional reverse)
9189 "Sort the summary buffer by score.
9190 Argument REVERSE means reverse order."
9192 (gnus-summary-sort 'score reverse))
9194 (defun gnus-summary-sort-by-lines (&optional reverse)
9195 "Sort the summary buffer by the number of lines.
9196 Argument REVERSE means reverse order."
9198 (gnus-summary-sort 'lines reverse))
9200 (defun gnus-summary-sort-by-chars (&optional reverse)
9201 "Sort the summary buffer by article length.
9202 Argument REVERSE means reverse order."
9204 (gnus-summary-sort 'chars reverse))
9206 (defun gnus-summary-sort (predicate reverse)
9207 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
9208 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
9209 (article (intern (format "gnus-article-sort-by-%s" predicate)))
9210 (gnus-thread-sort-functions
9215 (gnus-sort-gathered-threads-function
9216 gnus-thread-sort-functions)
9217 (gnus-article-sort-functions
9223 (gnus-summary-prepare-hook nil))
9224 ;; We do the sorting by regenerating the threads.
9225 (gnus-summary-prepare)
9226 ;; Hide subthreads if needed.
9227 (when (and gnus-show-threads gnus-thread-hide-subtree)
9228 (gnus-summary-hide-all-threads))))
9230 ;; Summary saving commands.
9232 (defun gnus-summary-save-article (&optional n not-saved)
9233 "Save the current article using the default saver function.
9234 If N is a positive number, save the N next articles.
9235 If N is a negative number, save the N previous articles.
9236 If N is nil and any articles have been marked with the process mark,
9237 save those articles instead.
9238 The variable `gnus-default-article-saver' specifies the saver function."
9240 (let* ((articles (gnus-summary-work-articles n))
9241 (save-buffer (save-excursion
9242 (nnheader-set-temp-buffer " *Gnus Save*")))
9243 (num (length articles))
9245 (dolist (article articles)
9246 (setq header (gnus-summary-article-header article))
9247 (if (not (vectorp header))
9248 ;; This is a pseudo-article.
9249 (if (assq 'name header)
9250 (gnus-copy-file (cdr (assq 'name header)))
9251 (gnus-message 1 "Article %d is unsaveable" article))
9252 ;; This is a real article.
9253 (save-window-excursion
9254 (gnus-summary-select-article t nil nil article))
9256 (set-buffer save-buffer)
9258 (insert-buffer-substring gnus-original-article-buffer))
9259 (setq file (gnus-article-save save-buffer file num))
9260 (gnus-summary-remove-process-mark article)
9262 (gnus-summary-set-saved-mark article))))
9263 (gnus-kill-buffer save-buffer)
9264 (gnus-summary-position-point)
9265 (gnus-set-mode-line 'summary)
9268 (defun gnus-summary-pipe-output (&optional arg)
9269 "Pipe the current article to a subprocess.
9270 If N is a positive number, pipe the N next articles.
9271 If N is a negative number, pipe the N previous articles.
9272 If N is nil and any articles have been marked with the process mark,
9273 pipe those articles instead."
9275 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
9276 (gnus-summary-save-article arg t))
9277 (gnus-configure-windows 'pipe))
9279 (defun gnus-summary-save-article-mail (&optional arg)
9280 "Append the current article to an mail file.
9281 If N is a positive number, save the N next articles.
9282 If N is a negative number, save the N previous articles.
9283 If N is nil and any articles have been marked with the process mark,
9284 save those articles instead."
9286 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
9287 (gnus-summary-save-article arg)))
9289 (defun gnus-summary-save-article-rmail (&optional arg)
9290 "Append the current article to an rmail file.
9291 If N is a positive number, save the N next articles.
9292 If N is a negative number, save the N previous articles.
9293 If N is nil and any articles have been marked with the process mark,
9294 save those articles instead."
9296 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
9297 (gnus-summary-save-article arg)))
9299 (defun gnus-summary-save-article-file (&optional arg)
9300 "Append the current article to a file.
9301 If N is a positive number, save the N next articles.
9302 If N is a negative number, save the N previous articles.
9303 If N is nil and any articles have been marked with the process mark,
9304 save those articles instead."
9306 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
9307 (gnus-summary-save-article arg)))
9309 (defun gnus-summary-write-article-file (&optional arg)
9310 "Write the current article to a file, deleting the previous file.
9311 If N is a positive number, save the N next articles.
9312 If N is a negative number, save the N previous articles.
9313 If N is nil and any articles have been marked with the process mark,
9314 save those articles instead."
9316 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
9317 (gnus-summary-save-article arg)))
9319 (defun gnus-summary-save-article-body-file (&optional arg)
9320 "Append the current article body to a file.
9321 If N is a positive number, save the N next articles.
9322 If N is a negative number, save the N previous articles.
9323 If N is nil and any articles have been marked with the process mark,
9324 save those articles instead."
9326 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
9327 (gnus-summary-save-article arg)))
9329 (defun gnus-summary-pipe-message (program)
9330 "Pipe the current article through PROGRAM."
9331 (interactive "sProgram: ")
9332 (gnus-summary-select-article)
9333 (let ((mail-header-separator ""))
9334 (gnus-eval-in-buffer-window gnus-article-buffer
9337 (let ((start (window-start))
9339 (message-pipe-buffer-body program)
9340 (set-window-start (get-buffer-window (current-buffer)) start))))))
9342 (defun gnus-get-split-value (methods)
9343 "Return a value based on the split METHODS."
9344 (let (split-name method result match)
9347 (set-buffer gnus-original-article-buffer)
9349 (nnheader-narrow-to-headers)
9350 (while (and methods (not split-name))
9351 (goto-char (point-min))
9352 (setq method (pop methods))
9353 (setq match (car method))
9356 ;; Regular expression.
9358 (re-search-forward match nil t)))
9359 ((gnus-functionp match)
9363 (setq result (funcall match gnus-newsgroup-name))))
9368 (setq result (eval match)))))
9369 (setq split-name (cdr method))
9370 (cond ((stringp result)
9371 (push (expand-file-name
9372 result gnus-article-save-directory)
9375 (setq split-name (append result split-name)))))))))
9376 (nreverse split-name)))
9378 (defun gnus-valid-move-group-p (group)
9381 (symbol-value group)
9382 (gnus-get-function (gnus-find-method-for-group
9383 (symbol-name group)) 'request-accept-article t)))
9385 (defun gnus-read-move-group-name (prompt default articles prefix)
9386 "Read a group name."
9387 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
9388 (minibuffer-confirm-incomplete nil) ; XEmacs
9392 (if (> (length articles) 1)
9393 (format "these %d articles" (length articles))
9398 (gnus-completing-read default prom
9400 'gnus-valid-move-group-p
9402 'gnus-group-history))
9403 ((= 1 (length split-name))
9404 (gnus-completing-read (car split-name) prom
9406 'gnus-valid-move-group-p
9408 'gnus-group-history))
9410 (gnus-completing-read nil prom
9411 (mapcar (lambda (el) (list el))
9412 (nreverse split-name))
9414 'gnus-group-history))))
9415 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
9417 (if (or (string= to-newsgroup "")
9418 (string= to-newsgroup prefix))
9419 (setq to-newsgroup default))
9420 (unless to-newsgroup
9421 (error "No group name entered"))
9422 (or (gnus-active to-newsgroup)
9423 (gnus-activate-group to-newsgroup nil nil to-method)
9424 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
9426 (or (and (gnus-request-create-group to-newsgroup to-method)
9427 (gnus-activate-group
9428 to-newsgroup nil nil to-method)
9429 (gnus-subscribe-group to-newsgroup))
9430 (error "Couldn't create group %s" to-newsgroup)))
9431 (error "No such group: %s" to-newsgroup)))
9434 (defun gnus-summary-save-parts (type dir n &optional reverse)
9435 "Save parts matching TYPE to DIR.
9436 If REVERSE, save parts that do not match TYPE."
9438 (list (read-string "Save parts of type: "
9439 (or (car gnus-summary-save-parts-type-history)
9440 gnus-summary-save-parts-default-mime)
9441 'gnus-summary-save-parts-type-history)
9442 (setq gnus-summary-save-parts-last-directory
9443 (read-file-name "Save to directory: "
9444 gnus-summary-save-parts-last-directory
9446 current-prefix-arg))
9447 (gnus-summary-iterate n
9448 (let ((gnus-display-mime-function nil)
9449 (gnus-inhibit-treatment t))
9450 (gnus-summary-select-article))
9452 (set-buffer gnus-article-buffer)
9453 (let ((handles (or gnus-article-mime-handles
9454 (mm-dissect-buffer) (mm-uu-dissect))))
9456 (gnus-summary-save-parts-1 type dir handles reverse)
9457 (unless gnus-article-mime-handles ;; Don't destroy this case.
9458 (mm-destroy-parts handles)))))))
9460 (defun gnus-summary-save-parts-1 (type dir handle reverse)
9461 (if (stringp (car handle))
9462 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
9465 (not (string-match type (mm-handle-media-type handle)))
9466 (string-match type (mm-handle-media-type handle)))
9467 (let ((file (expand-file-name
9468 (file-name-nondirectory
9470 (mail-content-type-get
9471 (mm-handle-disposition handle) 'filename)
9472 (concat gnus-newsgroup-name
9473 "." (number-to-string
9474 (cdr gnus-article-current)))))
9476 (unless (file-exists-p file)
9477 (mm-save-part-to-file handle file))))))
9479 ;; Summary extract commands
9481 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
9482 (let ((buffer-read-only nil)
9483 (article (gnus-summary-article-number))
9485 (unless (gnus-summary-goto-subject article)
9486 (error "No such article: %d" article))
9487 (gnus-summary-position-point)
9488 ;; If all commands are to be bunched up on one line, we collect
9490 (unless gnus-view-pseudos-separately
9491 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
9494 (setq action (cdr (assq 'action (car ps))))
9495 (setq files (list (cdr (assq 'name (car ps)))))
9496 (while (and ps (cdr ps)
9497 (string= (or action "1")
9498 (or (cdr (assq 'action (cadr ps))) "2")))
9499 (push (cdr (assq 'name (cadr ps))) files)
9500 (setcdr ps (cddr ps)))
9502 (when (not (string-match "%s" action))
9505 (when (assq 'execute (car ps))
9506 (setcdr (assq 'execute (car ps))
9507 (funcall (if (string-match "%s" action)
9516 (setq ps (cdr ps)))))
9517 (if (and gnus-view-pseudos (not not-view))
9519 (when (assq 'execute (car pslist))
9520 (gnus-execute-command (cdr (assq 'execute (car pslist)))
9521 (eq gnus-view-pseudos 'not-confirm)))
9522 (setq pslist (cdr pslist)))
9525 (setq after-article (or (cdr (assq 'article (car pslist)))
9526 (gnus-summary-article-number)))
9527 (gnus-summary-goto-subject after-article)
9530 (insert " " (file-name-nondirectory
9531 (cdr (assq 'name (car pslist))))
9532 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
9534 (forward-line -1) ; back to `b'
9535 (gnus-add-text-properties
9536 b (1- e) (list 'gnus-number gnus-reffed-article-number
9537 gnus-mouse-face-prop gnus-mouse-face))
9539 after-article gnus-reffed-article-number
9540 gnus-unread-mark b (car pslist) 0 (- e b))
9541 (push gnus-reffed-article-number gnus-newsgroup-unreads)
9542 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
9543 (setq pslist (cdr pslist)))))))
9545 (defun gnus-pseudos< (p1 p2)
9546 (let ((c1 (cdr (assq 'action p1)))
9547 (c2 (cdr (assq 'action p2))))
9548 (and c1 c2 (string< c1 c2))))
9550 (defun gnus-request-pseudo-article (props)
9551 (cond ((assq 'execute props)
9552 (gnus-execute-command (cdr (assq 'execute props)))))
9553 (let ((gnus-current-article (gnus-summary-article-number)))
9554 (gnus-run-hooks 'gnus-mark-article-hook)))
9556 (defun gnus-execute-command (command &optional automatic)
9558 (gnus-article-setup-buffer)
9559 (set-buffer gnus-article-buffer)
9560 (setq buffer-read-only nil)
9561 (let ((command (if automatic command
9562 (read-string "Command: " (cons command 0)))))
9564 (insert "$ " command "\n\n")
9565 (if gnus-view-pseudo-asynchronously
9566 (start-process "gnus-execute" (current-buffer) shell-file-name
9567 shell-command-switch command)
9568 (call-process shell-file-name nil t nil
9569 shell-command-switch command)))))
9571 ;; Summary kill commands.
9573 (defun gnus-summary-edit-global-kill (article)
9574 "Edit the \"global\" kill file."
9575 (interactive (list (gnus-summary-article-number)))
9576 (gnus-group-edit-global-kill article))
9578 (defun gnus-summary-edit-local-kill ()
9579 "Edit a local kill file applied to the current newsgroup."
9581 (setq gnus-current-headers (gnus-summary-article-header))
9582 (gnus-group-edit-local-kill
9583 (gnus-summary-article-number) gnus-newsgroup-name))
9587 (defun gnus-read-header (id &optional header)
9588 "Read the headers of article ID and enter them into the Gnus system."
9589 (let ((group gnus-newsgroup-name)
9590 (gnus-override-method
9592 gnus-override-method
9593 (and (gnus-news-group-p gnus-newsgroup-name)
9594 (car (gnus-refer-article-methods)))))
9596 ;; First we check to see whether the header in question is already
9599 ;; This is a Message-ID.
9600 (setq header (or header (gnus-id-to-header id)))
9601 ;; This is an article number.
9602 (setq header (or header (gnus-summary-article-header id))))
9604 (not (gnus-summary-article-sparse-p (mail-header-number header))))
9605 ;; We have found the header.
9607 ;; If this is a sparse article, we have to nix out its
9608 ;; previous entry in the thread hashtb.
9610 (gnus-summary-article-sparse-p (mail-header-number header)))
9611 (let* ((parent (gnus-parent-id (mail-header-references header)))
9612 (thread (and parent (gnus-id-to-thread parent))))
9614 (delq (assq header thread) thread))))
9615 ;; We have to really fetch the header to this article.
9617 (set-buffer nntp-server-buffer)
9618 (when (setq where (gnus-request-head id group))
9619 (nnheader-fold-continuation-lines)
9620 (goto-char (point-max))
9622 (goto-char (point-min))
9626 ((cdr where) (cdr where))
9627 (header (mail-header-number header))
9628 (t gnus-reffed-article-number))
9630 (insert " Article retrieved.\n"))
9632 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
9633 () ; Malformed head.
9634 (unless (gnus-summary-article-sparse-p (mail-header-number header))
9635 (when (and (stringp id)
9636 (not (string= (gnus-group-real-name group)
9638 ;; If we fetched by Message-ID and the article came
9639 ;; from a different group, we fudge some bogus article
9640 ;; numbers for this article.
9641 (mail-header-set-number header gnus-reffed-article-number))
9643 (set-buffer gnus-summary-buffer)
9644 (decf gnus-reffed-article-number)
9645 (gnus-remove-header (mail-header-number header))
9646 (push header gnus-newsgroup-headers)
9647 (setq gnus-current-headers header)
9648 (push (mail-header-number header) gnus-newsgroup-limit)))
9651 (defun gnus-remove-header (number)
9652 "Remove header NUMBER from `gnus-newsgroup-headers'."
9653 (if (and gnus-newsgroup-headers
9654 (= number (mail-header-number (car gnus-newsgroup-headers))))
9655 (pop gnus-newsgroup-headers)
9656 (let ((headers gnus-newsgroup-headers))
9657 (while (and (cdr headers)
9658 (not (= number (mail-header-number (cadr headers)))))
9661 (setcdr headers (cddr headers))))))
9664 ;;; summary highlights
9667 (defun gnus-highlight-selected-summary ()
9668 "Highlight selected article in summary buffer."
9669 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
9670 (when gnus-summary-selected-face
9672 (let* ((beg (progn (beginning-of-line) (point)))
9673 (end (progn (end-of-line) (point)))
9674 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
9675 (from (if (get-text-property beg gnus-mouse-face-prop)
9677 (or (next-single-property-change
9678 beg gnus-mouse-face-prop nil end)
9683 (or (next-single-property-change
9684 from gnus-mouse-face-prop nil end)
9686 ;; If no mouse-face prop on line we will have to = from = end,
9687 ;; so we highlight the entire line instead.
9688 (when (= (+ to 2) from)
9691 (if gnus-newsgroup-selected-overlay
9692 ;; Move old overlay.
9694 gnus-newsgroup-selected-overlay from to (current-buffer))
9695 ;; Create new overlay.
9697 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
9698 'face gnus-summary-selected-face))))))
9700 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
9701 (defun gnus-summary-highlight-line ()
9702 "Highlight current line according to `gnus-summary-highlight'."
9703 (let* ((list gnus-summary-highlight)
9705 (end (progn (end-of-line) (point)))
9706 ;; now find out where the line starts and leave point there.
9707 (beg (progn (beginning-of-line) (point)))
9708 (article (gnus-summary-article-number))
9709 (score (or (cdr (assq (or article gnus-current-article)
9710 gnus-newsgroup-scored))
9711 gnus-summary-default-score 0))
9712 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
9713 (inhibit-read-only t))
9714 ;; Eval the cars of the lists until we find a match.
9715 (let ((default gnus-summary-default-score))
9717 (not (eval (caar list))))
9718 (setq list (cdr list))))
9719 (let ((face (cdar list)))
9720 (unless (eq face (get-text-property beg 'face))
9721 (gnus-put-text-property-excluding-characters-with-faces
9723 (setq face (if (boundp face) (symbol-value face) face)))
9724 (when gnus-summary-highlight-line-function
9725 (funcall gnus-summary-highlight-line-function article face))))
9728 (defun gnus-update-read-articles (group unread &optional compute)
9729 "Update the list of read articles in GROUP."
9730 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
9731 (entry (gnus-gethash group gnus-newsrc-hashtb))
9732 (info (nth 2 entry))
9734 (unread (sort (copy-sequence unread) '<))
9736 (if (or (not info) (not active))
9737 ;; There is no info on this group if it was, in fact,
9738 ;; killed. Gnus stores no information on killed groups, so
9739 ;; there's nothing to be done.
9740 ;; One could store the information somewhere temporarily,
9741 ;; perhaps... Hmmm...
9743 ;; Remove any negative articles numbers.
9744 (while (and unread (< (car unread) 0))
9745 (setq unread (cdr unread)))
9746 ;; Remove any expired article numbers
9747 (while (and unread (< (car unread) (car active)))
9748 (setq unread (cdr unread)))
9749 ;; Compute the ranges of read articles by looking at the list of
9752 (when (/= (car unread) prev)
9753 (push (if (= prev (1- (car unread))) prev
9754 (cons prev (1- (car unread))))
9756 (setq prev (1+ (car unread)))
9757 (setq unread (cdr unread)))
9758 (when (<= prev (cdr active))
9759 (push (cons prev (cdr active)) read))
9760 (setq read (if (> (length read) 1) (nreverse read) read))
9765 ;; Propagate the read marks to the backend.
9766 (when (gnus-check-backend-function 'request-set-mark group)
9767 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
9768 (add (gnus-remove-from-range read (gnus-info-read info))))
9770 (unless (gnus-check-group group)
9771 (error "Can't open server for %s" group))
9772 (gnus-request-set-mark
9773 group (delq nil (list (if add (list add 'add '(read)))
9774 (if del (list del 'del '(read))))))
9776 `(gnus-request-set-mark
9779 (if del (list del 'add '(read)))
9780 (if add (list add 'del '(read))))))))))
9781 (set-buffer gnus-group-buffer)
9784 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
9785 (gnus-info-set-read ',info ',(gnus-info-read info))
9786 (gnus-get-unread-articles-in-group ',info
9787 (gnus-active ,group))
9788 (gnus-group-update-group ,group t)
9790 ;; Enter this list into the group info.
9791 (gnus-info-set-read info read)
9792 ;; Set the number of unread articles in gnus-newsrc-hashtb.
9793 (gnus-get-unread-articles-in-group info (gnus-active group))
9796 (defun gnus-offer-save-summaries ()
9797 "Offer to save all active summary buffers."
9799 (let ((buflist (buffer-list))
9801 ;; Go through all buffers and find all summaries.
9803 (and (setq bufname (buffer-name (car buflist)))
9804 (string-match "Summary" bufname)
9806 (set-buffer bufname)
9807 ;; We check that this is, indeed, a summary buffer.
9808 (and (eq major-mode 'gnus-summary-mode)
9809 ;; Also make sure this isn't bogus.
9810 gnus-newsgroup-prepared
9811 ;; Also make sure that this isn't a dead summary buffer.
9812 (not gnus-dead-summary-mode)))
9813 (push bufname buffers))
9814 (setq buflist (cdr buflist)))
9815 ;; Go through all these summary buffers and offer to save them.
9818 "Update summary buffer %s? "
9820 (switch-to-buffer buf)
9821 (gnus-summary-exit))
9824 (defun gnus-summary-setup-default-charset ()
9825 "Setup newsgroup default charset."
9826 (if (equal gnus-newsgroup-name "nndraft:drafts")
9827 (setq gnus-newsgroup-charset nil)
9828 (let* ((name (and gnus-newsgroup-name
9829 (gnus-group-real-name gnus-newsgroup-name)))
9831 (or gnus-newsgroup-ephemeral-ignored-charsets
9833 (and gnus-newsgroup-name
9834 (or (gnus-group-find-parameter gnus-newsgroup-name
9835 'ignored-charsets t)
9836 (let ((alist gnus-group-ignored-charsets-alist)
9837 elem (charsets nil))
9838 (while (setq elem (pop alist))
9840 (string-match (car elem) name))
9842 charsets (cdr elem))))
9844 gnus-newsgroup-ignored-charsets))))
9845 (setq gnus-newsgroup-charset
9846 (or gnus-newsgroup-ephemeral-charset
9847 (and gnus-newsgroup-name
9848 (or (gnus-group-find-parameter gnus-newsgroup-name 'charset)
9849 (let ((alist gnus-group-charset-alist)
9851 (while (setq elem (pop alist))
9853 (string-match (car elem) name))
9855 charset (cadr elem))))
9857 gnus-default-charset))
9858 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
9859 ignored-charsets))))
9865 (defun gnus-summary-display-buttonized (&optional show-all-parts)
9866 "Display the current article buffer fully MIME-buttonized.
9867 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
9868 treated as multipart/mixed."
9871 (let ((gnus-unbuttonized-mime-types nil)
9872 (gnus-mime-display-multipart-as-mixed show-all-parts))
9873 (gnus-summary-show-article)))
9875 (defun gnus-summary-repair-multipart (article)
9876 "Add a Content-Type header to a multipart article without one."
9877 (interactive (list (gnus-summary-article-number)))
9878 (gnus-with-article article
9879 (message-narrow-to-head)
9880 (message-remove-header "Mime-Version")
9881 (goto-char (point-max))
9882 (insert "Mime-Version: 1.0\n")
9884 (when (search-forward "\n--" nil t)
9885 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
9886 (message-narrow-to-head)
9887 (message-remove-header "Content-Type")
9888 (goto-char (point-max))
9889 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
9892 (let (gnus-mark-article-hook)
9893 (gnus-summary-select-article t t nil article)))
9895 (defun gnus-summary-toggle-display-buttonized ()
9896 "Toggle the buttonizing of the article buffer."
9899 (if (setq gnus-inhibit-mime-unbuttonizing
9900 (not gnus-inhibit-mime-unbuttonizing))
9901 (let ((gnus-unbuttonized-mime-types nil))
9902 (gnus-summary-show-article))
9903 (gnus-summary-show-article)))
9906 ;;; Generic summary marking commands
9909 (defvar gnus-summary-marking-alist
9910 '((read gnus-del-mark "d")
9911 (unread gnus-unread-mark "u")
9912 (ticked gnus-ticked-mark "!")
9913 (dormant gnus-dormant-mark "?")
9914 (expirable gnus-expirable-mark "e"))
9915 "An alist of names/marks/keystrokes.")
9917 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
9918 (defvar gnus-summary-mark-map)
9920 (defun gnus-summary-make-all-marking-commands ()
9921 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
9922 (dolist (elem gnus-summary-marking-alist)
9923 (apply 'gnus-summary-make-marking-command elem)))
9925 (defun gnus-summary-make-marking-command (name mark keystroke)
9926 (let ((map (make-sparse-keymap)))
9927 (define-key gnus-summary-generic-mark-map keystroke map)
9928 (dolist (lway `((next "next" next nil "n")
9929 (next-unread "next unread" next t "N")
9930 (prev "previous" prev nil "p")
9931 (prev-unread "previous unread" prev t "P")
9932 (nomove "" nil nil ,keystroke)))
9933 (let ((func (gnus-summary-make-marking-command-1
9934 mark (car lway) lway name)))
9935 (setq func (eval func))
9936 (define-key map (nth 4 lway) func)))))
9938 (defun gnus-summary-make-marking-command-1 (mark way lway name)
9940 (format "gnus-summary-put-mark-as-%s%s"
9941 name (if (eq way 'nomove)
9943 (concat "-" (symbol-name way)))))
9946 "Mark the current article as %s%s.
9947 If N, the prefix, then repeat N times.
9948 If N is negative, move in reverse order.
9949 The difference between N and the actual number of articles marked is
9953 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
9955 (defun gnus-summary-generic-mark (n mark move unread)
9956 "Mark N articles with MARK."
9957 (unless (eq major-mode 'gnus-summary-mode)
9958 (error "This command can only be used in the summary buffer"))
9959 (gnus-summary-show-thread)
9963 ((eq move 'prev) -1)
9969 nummove (* -1 nummove))))
9971 (gnus-summary-mark-article nil mark)
9972 (zerop (gnus-summary-next-subject nummove unread t)))
9975 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9976 (gnus-summary-recenter)
9977 (gnus-summary-position-point)
9978 (gnus-set-mode-line 'summary)
9981 (gnus-summary-make-all-marking-commands)
9987 (run-hooks 'gnus-sum-load-hook)
9989 ;;; gnus-sum.el ends here