1 ;;; gnus-sum.el --- summary mode commands for Gnus
3 ;; Copyright (C) 1996-2011 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 3 of the License, or
13 ;; (at your option) any later version.
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. If not, see <http://www.gnu.org/licenses/>.
27 ;; For Emacs <22.2 and XEmacs.
29 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
33 (when (featurep 'xemacs)
34 (require 'easy-mmode))) ; for `define-minor-mode'
36 (defvar tool-bar-mode)
37 (defvar gnus-tmp-header)
50 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
51 (autoload 'gnus-cache-write-active "gnus-cache")
52 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
53 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
54 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
55 (autoload 'mm-uu-dissect "mm-uu")
56 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
57 "Deuglify broken Outlook (Express) articles and redisplay."
59 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
60 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
61 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
62 (autoload 'nnir-article-rsv "nnir" nil nil 'macro)
63 (autoload 'nnir-article-group "nnir" nil nil 'macro)
65 (defcustom gnus-kill-summary-on-exit t
66 "*If non-nil, kill the summary buffer when you exit from it.
67 If nil, the summary will become a \"*Dead Summary*\" buffer, and
68 it will be killed sometime later."
69 :group 'gnus-summary-exit
72 (defcustom gnus-summary-next-group-on-exit t
73 "If non-nil, go to the next unread newsgroup on summary exit.
74 See `gnus-group-goto-unread'."
75 :link '(custom-manual "(gnus)Group Maneuvering")
76 :group 'gnus-summary-exit
77 :version "23.1" ;; No Gnus
80 (defcustom gnus-summary-stop-at-end-of-message nil
81 "If non-nil, don't select the next message when using `SPC'."
82 :link '(custom-manual "(gnus)Group Maneuvering")
83 :group 'gnus-summary-maneuvering
87 (defcustom gnus-fetch-old-headers nil
88 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
89 If an unread article in the group refers to an older, already
90 read (or just marked as read) article, the old article will not
91 normally be displayed in the Summary buffer. If this variable is
92 t, Gnus will attempt to grab the headers to the old articles, and
93 thereby build complete threads. If it has the value `some', all
94 old headers will be fetched but only enough headers to connect
95 otherwise loose threads will be displayed. This variable can
96 also be a number. In that case, no more than that number of old
97 headers will be fetched. If it has the value `invisible', all
98 old headers will be fetched, but none will be displayed.
100 The server has to support NOV for any of this to work.
102 This feature can seriously impact performance it ignores all
103 locally cached header entries. Setting it to t for groups for a
104 server that doesn't expire articles (such as news.gmane.org),
105 leads to very slow summary generation."
107 :type '(choice (const :tag "off" nil)
112 (sexp :menu-tag "other" t)))
114 (defcustom gnus-refer-thread-limit 500
115 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
116 If t, fetch all the available old headers."
118 :type '(choice number
119 (sexp :menu-tag "other" t)))
121 (defcustom gnus-refer-thread-use-nnir nil
122 "*Use nnir to search an entire server when referring threads. A
123 nil value will only search for thread-related articles in the
128 (defcustom gnus-summary-make-false-root 'adopt
129 "*nil means that Gnus won't gather loose threads.
130 If the root of a thread has expired or been read in a previous
131 session, the information necessary to build a complete thread has been
132 lost. Instead of having many small sub-threads from this original thread
133 scattered all over the summary buffer, Gnus can gather them.
135 If non-nil, Gnus will try to gather all loose sub-threads from an
136 original thread into one large thread.
138 If this variable is non-nil, it should be one of `none', `adopt',
141 If this variable is `none', Gnus will not make a false root, but just
142 present the sub-threads after another.
143 If this variable is `dummy', Gnus will create a dummy root that will
144 have all the sub-threads as children.
145 If this variable is `adopt', Gnus will make one of the \"children\"
146 the parent and mark all the step-children as such.
147 If this variable is `empty', the \"children\" are printed with empty
148 subject fields. (Or rather, they will be printed with a string
149 given by the `gnus-summary-same-subject' variable.)"
151 :type '(choice (const :tag "off" nil)
157 (defcustom gnus-summary-make-false-root-always nil
158 "Always make a false dummy root."
163 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
164 "*A regexp to match subjects to be excluded from loose thread gathering.
165 As loose thread gathering is done on subjects only, that means that
166 there can be many false gatherings performed. By rooting out certain
167 common subjects, gathering might become saner."
171 (defcustom gnus-summary-gather-subject-limit nil
172 "*Maximum length of subject comparisons when gathering loose threads.
173 Use nil to compare full subjects. Setting this variable to a low
174 number will help gather threads that have been corrupted by
175 newsreaders chopping off subject lines, but it might also mean that
176 unrelated articles that have subject that happen to begin with the
177 same few characters will be incorrectly gathered.
179 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
182 :type '(choice (const :tag "off" nil)
184 (sexp :menu-tag "on" t)))
186 (defcustom gnus-simplify-subject-functions nil
187 "List of functions taking a string argument that simplify subjects.
188 The functions are applied recursively.
190 Useful functions to put in this list include:
191 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
192 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
194 :type '(repeat function))
196 (defcustom gnus-simplify-ignored-prefixes nil
197 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
199 :type '(choice (const :tag "off" nil)
202 (defcustom gnus-build-sparse-threads nil
203 "*If non-nil, fill in the gaps in threads.
204 If `some', only fill in the gaps that are needed to tie loose threads
205 together. If `more', fill in all leaf nodes that Gnus can find. If
206 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
208 :type '(choice (const :tag "off" nil)
211 (sexp :menu-tag "all" t)))
213 (defcustom gnus-summary-thread-gathering-function
214 'gnus-gather-threads-by-subject
215 "*Function used for gathering loose threads.
216 There are two pre-defined functions: `gnus-gather-threads-by-subject',
217 which only takes Subjects into consideration; and
218 `gnus-gather-threads-by-references', which compared the References
219 headers of the articles to find matches."
221 :type '(radio (function-item gnus-gather-threads-by-subject)
222 (function-item gnus-gather-threads-by-references)
223 (function :tag "other")))
225 (defcustom gnus-summary-same-subject ""
226 "*String indicating that the current article has the same subject as the previous.
227 This variable will only be used if the value of
228 `gnus-summary-make-false-root' is `empty'."
229 :group 'gnus-summary-format
232 (defcustom gnus-summary-goto-unread nil
233 "*If t, many commands will go to the next unread article.
234 This applies to marking commands as well as other commands that
235 \"naturally\" select the next article, like, for instance, `SPC' at
236 the end of an article.
238 If nil, the marking commands do NOT go to the next unread article
239 \(they go to the next article instead). If `never', commands that
240 usually go to the next unread article, will go to the next article,
241 whether it is read or not."
243 :group 'gnus-summary-marks
244 :link '(custom-manual "(gnus)Setting Marks")
245 :type '(choice (const :tag "off" nil)
247 (sexp :menu-tag "on" t)))
249 (defcustom gnus-summary-default-score 0
250 "*Default article score level.
251 All scores generated by the score files will be added to this score.
252 If this variable is nil, scoring will be disabled."
253 :group 'gnus-score-default
254 :type '(choice (const :tag "disable")
257 (defcustom gnus-summary-default-high-score 0
258 "*Default threshold for a high scored article.
259 An article will be highlighted as high scored if its score is greater
262 :group 'gnus-score-default
265 (defcustom gnus-summary-default-low-score 0
266 "*Default threshold for a low scored article.
267 An article will be highlighted as low scored if its score is smaller
270 :group 'gnus-score-default
273 (defcustom gnus-summary-zcore-fuzz 0
274 "*Fuzziness factor for the zcore in the summary buffer.
275 Articles with scores closer than this to `gnus-summary-default-score'
277 :group 'gnus-summary-format
280 (defcustom gnus-simplify-subject-fuzzy-regexp nil
281 "*Strings to be removed when doing fuzzy matches.
282 This can either be a regular expression or list of regular expressions
283 that will be removed from subject strings if fuzzy subject
284 simplification is selected."
286 :type '(repeat regexp))
288 (defcustom gnus-show-threads t
289 "*If non-nil, display threads in summary mode."
293 (defcustom gnus-thread-hide-subtree nil
294 "*If non-nil, hide all threads initially.
295 This can be a predicate specifier which says which threads to hide.
296 If threads are hidden, you have to run the command
297 `gnus-summary-show-thread' by hand or select an article."
299 :type '(radio (sexp :format "Non-nil\n"
300 :match (lambda (widget value)
301 (not (or (consp value) (functionp value))))
304 (sexp :tag "Predicate specifier")))
306 (defcustom gnus-thread-hide-killed t
307 "*If non-nil, hide killed threads automatically."
311 (defcustom gnus-thread-ignore-subject t
312 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
313 If nil, articles that have different subjects from their parents will
314 start separate threads."
318 (defcustom gnus-thread-operation-ignore-subject t
319 "*If non-nil, subjects will be ignored when doing thread commands.
320 This affects commands like `gnus-summary-kill-thread' and
321 `gnus-summary-lower-thread'.
323 If this variable is nil, articles in the same thread with different
324 subjects will not be included in the operation in question. If this
325 variable is `fuzzy', only articles that have subjects that are fuzzily
326 equal will be included."
328 :type '(choice (const :tag "off" nil)
332 (defcustom gnus-thread-indent-level 4
333 "*Number that says how much each sub-thread should be indented."
337 (defcustom gnus-auto-extend-newsgroup t
338 "*If non-nil, extend newsgroup forward and backward when requested."
339 :group 'gnus-summary-choose
342 (defcustom gnus-auto-select-first t
343 "If non-nil, select an article on group entry.
344 An article is selected automatically when entering a group
345 e.g. with \\<gnus-group-mode-map>\\[gnus-group-read-group], or via `gnus-summary-next-page' or
346 `gnus-summary-catchup-and-goto-next-group'.
348 Which article is selected is controlled by the variable
349 `gnus-auto-select-subject'.
351 If you want to prevent automatic selection of articles in some
352 newsgroups, set the variable to nil in `gnus-select-group-hook'."
353 ;; Commands include...
354 ;; \\<gnus-group-mode-map>\\[gnus-group-read-group]
355 ;; \\<gnus-summary-mode-map>\\[gnus-summary-next-page]
356 ;; \\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]
357 :group 'gnus-group-select
358 :type '(choice (const :tag "none" nil)
359 (sexp :menu-tag "first" t)))
361 (defcustom gnus-auto-select-subject 'unseen-or-unread
362 "*Says what subject to place under point when entering a group.
364 This variable can either be the symbols `first' (place point on the
365 first subject), `unread' (place point on the subject line of the first
366 unread article), `best' (place point on the subject line of the
367 higest-scored article), `unseen' (place point on the subject line of
368 the first unseen article), `unseen-or-unread' (place point on the subject
369 line of the first unseen article or, if all articles have been seen, on the
370 subject line of the first unread article), or a function to be called to
371 place point on some subject line."
373 :group 'gnus-group-select
374 :type '(choice (const best)
378 (const unseen-or-unread)))
380 (defcustom gnus-auto-select-next t
381 "*If non-nil, offer to go to the next group from the end of the previous.
382 If the value is t and the next newsgroup is empty, Gnus will exit
383 summary mode and go back to group mode. If the value is neither nil
384 nor t, Gnus will select the following unread newsgroup. In
385 particular, if the value is the symbol `quietly', the next unread
386 newsgroup will be selected without any confirmation, and if it is
387 `almost-quietly', the next group will be selected without any
388 confirmation if you are located on the last article in the group.
389 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
390 will go to the next group without confirmation."
391 :group 'gnus-summary-maneuvering
392 :type '(choice (const :tag "off" nil)
394 (const almost-quietly)
395 (const slightly-quietly)
396 (sexp :menu-tag "on" t)))
398 (defcustom gnus-auto-select-same nil
399 "*If non-nil, select the next article with the same subject.
400 If there are no more articles with the same subject, go to
401 the first unread article."
402 :group 'gnus-summary-maneuvering
405 (defcustom gnus-auto-select-on-ephemeral-exit 'next-noselect
406 "What article should be selected after exiting an ephemeral group.
407 Valid values include:
410 Select the next article.
412 Select the next unread article.
414 Move the cursor to the next article. This is the default.
415 `next-unread-noselect'
416 Move the cursor to the next unread article.
418 If it has any other value or there is no next (unread) article, the
419 article selected before entering to the ephemeral group will appear."
420 :version "23.1" ;; No Gnus
421 :group 'gnus-summary-maneuvering
422 :type '(choice :format "%{%t%}:\n %[Value Menu%] %v"
423 (const next) (const next-unread)
424 (const next-noselect) (const next-unread-noselect)
425 (sexp :tag "other" :value nil)))
427 (defcustom gnus-auto-goto-ignores 'unfetched
428 "*Says how to handle unfetched articles when maneuvering.
430 This variable can either be the symbols nil (maneuver to any
431 article), `undownloaded' (maneuvering while unplugged ignores articles
432 that have not been fetched), `always-undownloaded' (maneuvering always
433 ignores articles that have not been fetched), `unfetched' (maneuvering
434 ignores articles whose headers have not been fetched).
436 NOTE: The list of unfetched articles will always be nil when plugged
437 and, when unplugged, a subset of the undownloaded article list."
439 :group 'gnus-summary-maneuvering
440 :type '(choice (const :tag "None" nil)
441 (const :tag "Undownloaded when unplugged" undownloaded)
442 (const :tag "Undownloaded" always-undownloaded)
443 (const :tag "Unfetched" unfetched)))
445 (defcustom gnus-summary-check-current nil
446 "*If non-nil, consider the current article when moving.
447 The \"unread\" movement commands will stay on the same line if the
448 current article is unread."
449 :group 'gnus-summary-maneuvering
452 (defcustom gnus-auto-center-summary 2
453 "*If non-nil, always center the current summary buffer.
454 In particular, if `vertical' do only vertical recentering. If non-nil
455 and non-`vertical', do both horizontal and vertical recentering."
456 :group 'gnus-summary-maneuvering
457 :type '(choice (const :tag "none" nil)
459 (integer :tag "height")
460 (sexp :menu-tag "both" t)))
462 (defcustom gnus-auto-center-group t
463 "If non-nil, always center the group buffer."
464 :group 'gnus-summary-maneuvering
467 (defcustom gnus-show-all-headers nil
468 "*If non-nil, don't hide any headers."
469 :group 'gnus-article-hiding
470 :group 'gnus-article-headers
473 (defcustom gnus-summary-ignore-duplicates nil
474 "*If non-nil, ignore articles with identical Message-ID headers."
478 (defcustom gnus-single-article-buffer nil
479 "*If non-nil, display all articles in the same buffer.
480 If nil, each group will get its own article buffer."
482 :group 'gnus-article-various
485 (defcustom gnus-widen-article-window nil
486 "If non-nil, selecting the article buffer will display only the article buffer."
488 :group 'gnus-article-various
491 (defcustom gnus-break-pages t
492 "*If non-nil, do page breaking on articles.
493 The page delimiter is specified by the `gnus-page-delimiter'
495 :group 'gnus-article-various
498 (defcustom gnus-move-split-methods nil
499 "*Variable used to suggest where articles are to be moved to.
500 It uses the same syntax as the `gnus-split-methods' variable.
501 However, whereas `gnus-split-methods' specifies file names as targets,
502 this variable specifies group names."
503 :group 'gnus-summary-mail
504 :type '(repeat (choice (list :value (fun) function)
505 (cons :value ("" "") regexp (repeat string))
508 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
509 "Function used to compute default prefix for article move/copy/etc prompts.
510 The function should take one argument, a group name, and return a
511 string with the suggested prefix."
512 :group 'gnus-summary-mail
515 ;; FIXME: Although the custom type is `character' for the following variables,
516 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
518 (defcustom gnus-unread-mark ? ;Whitespace
519 "*Mark used for unread articles."
520 :group 'gnus-summary-marks
523 (defcustom gnus-ticked-mark ?!
524 "*Mark used for ticked articles."
525 :group 'gnus-summary-marks
528 (defcustom gnus-dormant-mark ??
529 "*Mark used for dormant articles."
530 :group 'gnus-summary-marks
533 (defcustom gnus-del-mark ?r
534 "*Mark used for del'd articles."
535 :group 'gnus-summary-marks
538 (defcustom gnus-read-mark ?R
539 "*Mark used for read articles."
540 :group 'gnus-summary-marks
543 (defcustom gnus-expirable-mark ?E
544 "*Mark used for expirable articles."
545 :group 'gnus-summary-marks
548 (defcustom gnus-killed-mark ?K
549 "*Mark used for killed articles."
550 :group 'gnus-summary-marks
553 (defcustom gnus-spam-mark ?$
554 "*Mark used for spam articles."
556 :group 'gnus-summary-marks
559 (defcustom gnus-kill-file-mark ?X
560 "*Mark used for articles killed by kill files."
561 :group 'gnus-summary-marks
564 (defcustom gnus-low-score-mark ?Y
565 "*Mark used for articles with a low score."
566 :group 'gnus-summary-marks
569 (defcustom gnus-catchup-mark ?C
570 "*Mark used for articles that are caught up."
571 :group 'gnus-summary-marks
574 (defcustom gnus-replied-mark ?A
575 "*Mark used for articles that have been replied to."
576 :group 'gnus-summary-marks
579 (defcustom gnus-forwarded-mark ?F
580 "*Mark used for articles that have been forwarded."
582 :group 'gnus-summary-marks
585 (defcustom gnus-recent-mark ?N
586 "*Mark used for articles that are recent."
588 :group 'gnus-summary-marks
591 (defcustom gnus-cached-mark ?*
592 "*Mark used for articles that are in the cache."
593 :group 'gnus-summary-marks
596 (defcustom gnus-saved-mark ?S
597 "*Mark used for articles that have been saved."
598 :group 'gnus-summary-marks
601 (defcustom gnus-unseen-mark ?.
602 "*Mark used for articles that haven't been seen."
604 :group 'gnus-summary-marks
607 (defcustom gnus-no-mark ? ;Whitespace
608 "*Mark used for articles that have no other secondary mark."
610 :group 'gnus-summary-marks
613 (defcustom gnus-ancient-mark ?O
614 "*Mark used for ancient articles."
615 :group 'gnus-summary-marks
618 (defcustom gnus-sparse-mark ?Q
619 "*Mark used for sparsely reffed articles."
620 :group 'gnus-summary-marks
623 (defcustom gnus-canceled-mark ?G
624 "*Mark used for canceled articles."
625 :group 'gnus-summary-marks
628 (defcustom gnus-duplicate-mark ?M
629 "*Mark used for duplicate articles."
630 :group 'gnus-summary-marks
633 (defcustom gnus-undownloaded-mark ?-
634 "*Mark used for articles that weren't downloaded."
636 :group 'gnus-summary-marks
639 (defcustom gnus-downloaded-mark ?+
640 "*Mark used for articles that were downloaded."
641 :group 'gnus-summary-marks
644 (defcustom gnus-downloadable-mark ?%
645 "*Mark used for articles that are to be downloaded."
646 :group 'gnus-summary-marks
649 (defcustom gnus-unsendable-mark ?=
650 "*Mark used for articles that won't be sent."
651 :group 'gnus-summary-marks
654 (defcustom gnus-score-over-mark ?+
655 "*Score mark used for articles with high scores."
656 :group 'gnus-summary-marks
659 (defcustom gnus-score-below-mark ?-
660 "*Score mark used for articles with low scores."
661 :group 'gnus-summary-marks
664 (defcustom gnus-empty-thread-mark ? ;Whitespace
665 "*There is no thread under the article."
666 :group 'gnus-summary-marks
669 (defcustom gnus-not-empty-thread-mark ?=
670 "*There is a thread under the article."
671 :group 'gnus-summary-marks
674 (defcustom gnus-view-pseudo-asynchronously nil
675 "*If non-nil, Gnus will view pseudo-articles asynchronously."
676 :group 'gnus-extract-view
679 (defcustom gnus-auto-expirable-marks
680 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
681 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
683 "*The list of marks converted into expiration if a group is auto-expirable."
686 :type '(repeat character))
688 (defcustom gnus-inhibit-user-auto-expire t
689 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
694 (defcustom gnus-mark-copied-or-moved-articles-as-expirable nil
695 "If non-nil, mark articles copied or moved to auto-expire group as expirable.
696 If nil, the expirable marks will be unchanged except that the marks
697 will be removed when copying or moving articles to a group that has
698 not turned auto-expire on. If non-nil, articles that have been read
699 will be marked as expirable when being copied or moved to a group in
700 which auto-expire is turned on."
703 :group 'gnus-summary-marks)
705 (defcustom gnus-view-pseudos nil
706 "*If `automatic', pseudo-articles will be viewed automatically.
707 If `not-confirm', pseudos will be viewed automatically, and the user
708 will not be asked to confirm the command."
709 :group 'gnus-extract-view
710 :type '(choice (const :tag "off" nil)
712 (const not-confirm)))
714 (defcustom gnus-view-pseudos-separately t
715 "*If non-nil, one pseudo-article will be created for each file to be viewed.
716 If nil, all files that use the same viewing command will be given as a
717 list of parameters to that command."
718 :group 'gnus-extract-view
721 (defcustom gnus-insert-pseudo-articles t
722 "*If non-nil, insert pseudo-articles when decoding articles."
723 :group 'gnus-extract-view
726 (defcustom gnus-summary-dummy-line-format
728 "*The format specification for the dummy roots in the summary buffer.
729 It works along the same lines as a normal formatting string,
730 with some simple extensions.
734 General format specifiers can also be used.
735 See `(gnus)Formatting Variables'."
736 :link '(custom-manual "(gnus)Formatting Variables")
737 :group 'gnus-threading
740 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
741 "*The format specification for the summary mode line.
742 It works along the same lines as a normal formatting string,
743 with some simple extensions:
746 %p Unprefixed group name
747 %A Current article number
748 %z Current article score
750 %U Number of unread articles in the group
751 %e Number of unselected articles in the group
752 %Z A string with unread/unselected article counts
753 %g Shortish group name
754 %S Subject of the current article
756 %s Current score file name
757 %d Number of dormant articles
758 %r Number of articles that have been marked as read in this session
759 %E Number of articles expunged by the score files"
760 :group 'gnus-summary-format
763 (defcustom gnus-list-identifiers nil
764 "Regexp that matches list identifiers to be removed from subject.
765 This can also be a list of regexps."
767 :group 'gnus-summary-format
768 :group 'gnus-article-hiding
769 :type '(choice (const :tag "none" nil)
771 (repeat :value (".*") regexp)))
773 (defcustom gnus-summary-mark-below 0
774 "*Mark all articles with a score below this variable as read.
775 This variable is local to each summary buffer and usually set by the
777 :group 'gnus-score-default
780 (defun gnus-widget-reversible-match (widget value)
781 "Ignoring WIDGET, convert VALUE to internal form.
782 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
786 (eq (length value) 2)
787 (eq (nth 0 value) 'not)
788 (symbolp (nth 1 value)))))
790 (defun gnus-widget-reversible-to-internal (widget value)
791 "Ignoring WIDGET, convert VALUE to internal form.
792 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
793 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
797 (list (nth 1 value) t)))
799 (defun gnus-widget-reversible-to-external (widget value)
800 "Ignoring WIDGET, convert VALUE to external form.
801 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
802 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
805 (list 'not (nth 0 value))
808 (define-widget 'gnus-widget-reversible 'group
809 "A `group' that convert values."
810 :match 'gnus-widget-reversible-match
811 :value-to-internal 'gnus-widget-reversible-to-internal
812 :value-to-external 'gnus-widget-reversible-to-external)
814 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
815 "*List of functions used for sorting articles in the summary buffer.
817 Each function takes two articles and returns non-nil if the first
818 article should be sorted before the other. If you use more than one
819 function, the primary sort function should be the last. You should
820 probably always include `gnus-article-sort-by-number' in the list of
821 sorting functions -- preferably first. Also note that sorting by date
822 is often much slower than sorting by number, and the sorting order is
823 very similar. (Sorting by date means sorting by the time the message
824 was sent, sorting by number means sorting by arrival time.)
826 Each item can also be a list `(not F)' where F is a function;
827 this reverses the sort order.
829 Ready-made functions include `gnus-article-sort-by-number',
830 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
831 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
832 and `gnus-article-sort-by-score'.
834 When threading is turned on, the variable `gnus-thread-sort-functions'
835 controls how articles are sorted."
836 :group 'gnus-summary-sort
837 :type '(repeat (gnus-widget-reversible
838 (choice (function-item gnus-article-sort-by-number)
839 (function-item gnus-article-sort-by-author)
840 (function-item gnus-article-sort-by-subject)
841 (function-item gnus-article-sort-by-date)
842 (function-item gnus-article-sort-by-score)
843 (function-item gnus-article-sort-by-random)
844 (function :tag "other"))
845 (boolean :tag "Reverse order"))))
848 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
849 "*List of functions used for sorting threads in the summary buffer.
850 By default, threads are sorted by article number.
852 Each function takes two threads and returns non-nil if the first
853 thread should be sorted before the other. If you use more than one
854 function, the primary sort function should be the last. You should
855 probably always include `gnus-thread-sort-by-number' in the list of
856 sorting functions -- preferably first. Also note that sorting by date
857 is often much slower than sorting by number, and the sorting order is
858 very similar. (Sorting by date means sorting by the time the message
859 was sent, sorting by number means sorting by arrival time.)
861 Each list item can also be a list `(not F)' where F is a
862 function; this specifies reversed sort order.
864 Ready-made functions include `gnus-thread-sort-by-number',
865 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
866 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
867 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
868 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
869 and `gnus-thread-sort-by-total-score' (see
870 `gnus-thread-score-function').
872 When threading is turned off, the variable
873 `gnus-article-sort-functions' controls how articles are sorted."
874 :group 'gnus-summary-sort
876 (gnus-widget-reversible
877 (choice (function-item gnus-thread-sort-by-number)
878 (function-item gnus-thread-sort-by-author)
879 (function-item gnus-thread-sort-by-recipient)
880 (function-item gnus-thread-sort-by-subject)
881 (function-item gnus-thread-sort-by-date)
882 (function-item gnus-thread-sort-by-score)
883 (function-item gnus-thread-sort-by-most-recent-number)
884 (function-item gnus-thread-sort-by-most-recent-date)
885 (function-item gnus-thread-sort-by-random)
886 (function-item gnus-thread-sort-by-total-score)
887 (function :tag "other"))
888 (boolean :tag "Reverse order"))))
890 (defcustom gnus-thread-score-function '+
891 "*Function used for calculating the total score of a thread.
893 The function is called with the scores of the article and each
894 subthread and should then return the score of the thread.
896 Some functions you can use are `+', `max', or `min'."
897 :group 'gnus-summary-sort
900 (defcustom gnus-summary-expunge-below nil
901 "All articles that have a score less than this variable will be expunged.
902 This variable is local to the summary buffers."
903 :group 'gnus-score-default
904 :type '(choice (const :tag "off" nil)
907 (defcustom gnus-thread-expunge-below nil
908 "All threads that have a total score less than this variable will be expunged.
909 See `gnus-thread-score-function' for en explanation of what a
912 This variable is local to the summary buffers."
913 :group 'gnus-threading
914 :group 'gnus-score-default
915 :type '(choice (const :tag "off" nil)
918 (defcustom gnus-summary-mode-hook nil
919 "*A hook for Gnus summary mode.
920 This hook is run before any variables are set in the summary buffer."
921 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
922 :group 'gnus-summary-various
925 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
926 (when (featurep 'xemacs)
927 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
928 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
929 (add-hook 'gnus-summary-mode-hook
930 'gnus-xmas-switch-horizontal-scrollbar-off))
932 (defcustom gnus-summary-menu-hook nil
933 "*Hook run after the creation of the summary mode menu."
934 :group 'gnus-summary-visual
937 (defcustom gnus-summary-exit-hook nil
938 "*A hook called on exit from the summary buffer.
939 It will be called with point in the group buffer."
940 :group 'gnus-summary-exit
943 (defcustom gnus-summary-prepare-hook nil
944 "*A hook called after the summary buffer has been generated.
945 If you want to modify the summary buffer, you can use this hook."
946 :group 'gnus-summary-various
949 (defcustom gnus-summary-prepared-hook nil
950 "*A hook called as the last thing after the summary buffer has been generated."
951 :group 'gnus-summary-various
954 (defcustom gnus-summary-generate-hook nil
955 "*A hook run just before generating the summary buffer.
956 This hook is commonly used to customize threading variables and the
958 :group 'gnus-summary-various
961 (defcustom gnus-select-group-hook nil
962 "*A hook called when a newsgroup is selected.
964 If you'd like to simplify subjects like the
965 `gnus-summary-next-same-subject' command does, you can use the
968 (add-hook gnus-select-group-hook
970 (mapcar (lambda (header)
971 (mail-header-set-subject
973 (gnus-simplify-subject
974 (mail-header-subject header) 're-only)))
975 gnus-newsgroup-headers)))"
976 :group 'gnus-group-select
979 (defcustom gnus-select-article-hook nil
980 "*A hook called when an article is selected."
981 :group 'gnus-summary-choose
982 :options '(gnus-agent-fetch-selected-article)
985 (defcustom gnus-visual-mark-article-hook
986 (list 'gnus-highlight-selected-summary)
987 "*Hook run after selecting an article in the summary buffer.
988 It is meant to be used for highlighting the article in some way. It
989 is not run if `gnus-visual' is nil."
990 :group 'gnus-summary-visual
993 (defcustom gnus-parse-headers-hook nil
994 "*A hook called before parsing the headers."
998 (defcustom gnus-exit-group-hook nil
999 "*A hook called when exiting summary mode.
1000 This hook is not called from the non-updating exit commands like `Q'."
1001 :group 'gnus-various
1004 (defcustom gnus-summary-update-hook nil
1005 "*A hook called when a summary line is changed.
1006 The hook will not be called if `gnus-visual' is nil.
1008 The default function `gnus-summary-highlight-line' will
1009 highlight the line according to the `gnus-summary-highlight'
1011 :group 'gnus-summary-visual
1014 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
1015 "*A hook called when an article is selected for the first time.
1016 The hook is intended to mark an article as read (or unread)
1017 automatically when it is selected."
1018 :group 'gnus-summary-choose
1021 (defcustom gnus-group-no-more-groups-hook nil
1022 "*A hook run when returning to group mode having no more (unread) groups."
1023 :group 'gnus-group-select
1026 (defcustom gnus-ps-print-hook nil
1027 "*A hook run before ps-printing something from Gnus."
1028 :group 'gnus-summary
1031 (defcustom gnus-summary-article-move-hook nil
1032 "*A hook called after an article is moved, copied, respooled, or crossposted."
1034 :group 'gnus-summary
1037 (defcustom gnus-summary-article-delete-hook nil
1038 "*A hook called after an article is deleted."
1040 :group 'gnus-summary
1043 (defcustom gnus-summary-article-expire-hook nil
1044 "*A hook called after an article is expired."
1046 :group 'gnus-summary
1049 (defcustom gnus-summary-display-arrow
1050 (and (fboundp 'display-graphic-p)
1051 (display-graphic-p))
1052 "*If non-nil, display an arrow highlighting the current article."
1054 :group 'gnus-summary
1057 (defcustom gnus-summary-selected-face 'gnus-summary-selected
1058 "Face used for highlighting the current article in the summary buffer."
1059 :group 'gnus-summary-visual
1062 (defvar gnus-tmp-downloaded nil)
1064 (defcustom gnus-summary-highlight
1065 '(((eq mark gnus-canceled-mark)
1066 . gnus-summary-cancelled)
1067 ((and uncached (> score default-high))
1068 . gnus-summary-high-undownloaded)
1069 ((and uncached (< score default-low))
1070 . gnus-summary-low-undownloaded)
1072 . gnus-summary-normal-undownloaded)
1073 ((and (> score default-high)
1074 (or (eq mark gnus-dormant-mark)
1075 (eq mark gnus-ticked-mark)))
1076 . gnus-summary-high-ticked)
1077 ((and (< score default-low)
1078 (or (eq mark gnus-dormant-mark)
1079 (eq mark gnus-ticked-mark)))
1080 . gnus-summary-low-ticked)
1081 ((or (eq mark gnus-dormant-mark)
1082 (eq mark gnus-ticked-mark))
1083 . gnus-summary-normal-ticked)
1084 ((and (> score default-high) (eq mark gnus-ancient-mark))
1085 . gnus-summary-high-ancient)
1086 ((and (< score default-low) (eq mark gnus-ancient-mark))
1087 . gnus-summary-low-ancient)
1088 ((eq mark gnus-ancient-mark)
1089 . gnus-summary-normal-ancient)
1090 ((and (> score default-high) (eq mark gnus-unread-mark))
1091 . gnus-summary-high-unread)
1092 ((and (< score default-low) (eq mark gnus-unread-mark))
1093 . gnus-summary-low-unread)
1094 ((eq mark gnus-unread-mark)
1095 . gnus-summary-normal-unread)
1096 ((> score default-high)
1097 . gnus-summary-high-read)
1098 ((< score default-low)
1099 . gnus-summary-low-read)
1101 . gnus-summary-normal-read))
1102 "*Controls the highlighting of summary buffer lines.
1104 A list of (FORM . FACE) pairs. When deciding how a particular
1105 summary line should be displayed, each form is evaluated. The content
1106 of the face field after the first true form is used. You can change
1107 how those summary lines are displayed, by editing the face field.
1109 You can use the following variables in the FORM field.
1111 score: The article's score.
1112 default: The default article score.
1113 default-high: The default score for high scored articles.
1114 default-low: The default score for low scored articles.
1115 below: The score below which articles are automatically marked as read.
1116 mark: The article's mark.
1117 uncached: Non-nil if the article is uncached."
1118 :group 'gnus-summary-visual
1119 :type '(repeat (cons (sexp :tag "Form" nil)
1121 (put 'gnus-summary-highlight 'risky-local-variable t)
1123 (defcustom gnus-alter-header-function nil
1124 "Function called to allow alteration of article header structures.
1125 The function is called with one parameter, the article header vector,
1126 which it may alter in any way."
1127 :type '(choice (const :tag "None" nil)
1129 :group 'gnus-summary)
1131 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
1132 "Function used to decode a string with encoded words.")
1134 (defvar gnus-decode-encoded-address-function
1135 'mail-decode-encoded-address-string
1136 "Function used to decode addresses with encoded words.")
1138 (defcustom gnus-extra-headers '(To Cc Keywords Gcc Newsgroups)
1139 "*Extra headers to parse."
1140 :version "24.1" ; added Cc Keywords Gcc
1141 :group 'gnus-summary
1142 :type '(repeat symbol))
1144 (defcustom gnus-ignored-from-addresses
1145 (and user-mail-address
1146 (not (string= user-mail-address ""))
1147 (regexp-quote user-mail-address))
1148 "*From headers that may be suppressed in favor of To headers.
1149 This can be a regexp or a list of regexps."
1151 :group 'gnus-summary
1152 :type '(choice regexp
1153 (repeat :tag "Regexp List" regexp)))
1155 (defsubst gnus-ignored-from-addresses ()
1156 (gmm-regexp-concat gnus-ignored-from-addresses))
1158 (defcustom gnus-summary-to-prefix "-> "
1159 "*String prefixed to the To field in the summary line when
1160 using `gnus-ignored-from-addresses'."
1162 :group 'gnus-summary
1165 (defcustom gnus-summary-newsgroup-prefix "=> "
1166 "*String prefixed to the Newsgroup field in the summary
1167 line when using `gnus-ignored-from-addresses'."
1169 :group 'gnus-summary
1172 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1173 "List of charsets that should be ignored.
1174 When these charsets are used in the \"charset\" parameter, the
1175 default charset will be used instead."
1177 :type '(repeat symbol)
1178 :group 'gnus-charset)
1180 (defcustom gnus-newsgroup-maximum-articles nil
1181 "The maximum number of articles a newsgroup.
1182 If this is a number, old articles in a newsgroup exceeding this number
1183 are silently ignored. If it is nil, no article is ignored. Note that
1184 setting this variable to a number might prevent you from reading very
1186 :group 'gnus-group-select
1188 :type '(choice (const :tag "No limit" nil)
1191 (gnus-define-group-parameter
1195 "Return the ignored charsets of GROUP."
1196 :variable gnus-group-ignored-charsets-alist
1198 '(("alt\\.chinese\\.text" iso-8859-1))
1200 "Alist of regexps (to match group names) and charsets that should be ignored.
1201 When these charsets are used in the \"charset\" parameter, the
1202 default charset will be used instead."
1203 :variable-group gnus-charset
1204 :variable-type '(repeat (cons (regexp :tag "Group")
1206 :parameter-type '(choice :tag "Ignored charsets"
1209 :parameter-document "\
1210 List of charsets that should be ignored.
1212 When these charsets are used in the \"charset\" parameter, the
1213 default charset will be used instead.")
1215 (defcustom gnus-group-highlight-words-alist nil
1216 "Alist of group regexps and highlight regexps.
1217 This variable uses the same syntax as `gnus-emphasis-alist'."
1219 :type '(repeat (cons (regexp :tag "Group")
1220 (repeat (list (regexp :tag "Highlight regexp")
1221 (number :tag "Group for entire word" 0)
1222 (number :tag "Group for displayed part" 0)
1224 gnus-emphasis-highlight-words)))))
1225 :group 'gnus-summary-visual)
1227 (defcustom gnus-summary-show-article-charset-alist
1229 "Alist of number and charset.
1230 The article will be shown with the charset corresponding to the
1232 For example: ((1 . cn-gb-2312) (2 . big5))."
1234 :type '(repeat (cons (number :tag "Argument" 1)
1235 (symbol :tag "Charset")))
1236 :group 'gnus-charset)
1238 (defcustom gnus-preserve-marks t
1239 "Whether marks are preserved when moving, copying and respooling messages."
1242 :group 'gnus-summary-marks)
1244 (defcustom gnus-propagate-marks nil
1245 "If non-nil, Gnus will store and retrieve marks from the backends.
1246 This means that marks will be stored both in .newsrc.eld and in
1247 the backend, and will slow operation down somewhat."
1249 :group 'gnus-summary-marks)
1251 (defcustom gnus-alter-articles-to-read-function nil
1252 "Function to be called to alter the list of articles to be selected."
1253 :type '(choice (const nil) function)
1254 :group 'gnus-summary)
1256 (defcustom gnus-orphan-score nil
1257 "*All orphans get this score added. Set in the score file."
1258 :group 'gnus-score-default
1259 :type '(choice (const nil)
1262 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1263 "*A regexp to match MIME parts when saving multiple parts of a
1264 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1265 This regexp will be used by default when prompting the user for which
1266 type of files to save."
1267 :group 'gnus-summary
1270 (defcustom gnus-read-all-available-headers nil
1271 "Whether Gnus should parse all headers made available to it.
1272 This is mostly relevant for slow back ends where the user may
1273 wish to widen the summary buffer to include all headers
1276 :group 'gnus-summary
1277 :type '(choice boolean regexp))
1279 (defcustom gnus-summary-pipe-output-default-command nil
1280 "Command (and optional arguments) used to pipe article to subprocess.
1281 This will be used as the default command if it is non-nil. The value
1282 will be updated if you modify it when executing the command
1283 `gnus-summary-pipe-output' or the function `gnus-summary-save-in-pipe'."
1284 :version "23.1" ;; No Gnus
1285 :group 'gnus-summary
1286 :type '(radio (const :tag "None" nil) (string :tag "Command")))
1288 (defcustom gnus-summary-muttprint-program "muttprint"
1289 "Command (and optional arguments) used to run Muttprint.
1290 The value will be updated if you modify it when executing the command
1291 `gnus-summary-muttprint'."
1293 :group 'gnus-summary
1296 (defcustom gnus-article-loose-mime t
1297 "If non-nil, don't require MIME-Version header.
1298 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1299 supply the MIME-Version header or deliberately strip it from the mail.
1300 If non-nil (the default), Gnus will treat some articles as MIME
1301 even if the MIME-Version header is missing."
1304 :group 'gnus-article-mime)
1306 (defcustom gnus-article-emulate-mime t
1307 "If non-nil, use MIME emulation for uuencode and the like.
1308 This means that Gnus will search message bodies for text that look
1309 like uuencoded bits, yEncoded bits, and so on, and present that using
1310 the normal Gnus MIME machinery."
1313 :group 'gnus-article-mime)
1315 ;;; Internal variables
1317 (defvar gnus-summary-display-cache nil)
1318 (defvar gnus-article-mime-handles nil)
1319 (defvar gnus-article-decoded-p nil)
1320 (defvar gnus-article-charset nil)
1321 (defvar gnus-article-ignored-charsets nil)
1322 (defvar gnus-scores-exclude-files nil)
1323 (defvar gnus-page-broken nil)
1325 (defvar gnus-original-article nil)
1326 (defvar gnus-article-internal-prepare-hook nil)
1327 (defvar gnus-newsgroup-process-stack nil)
1329 (defvar gnus-thread-indent-array nil)
1330 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1331 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1332 "Function called to sort the articles within a thread after it has been gathered together.")
1334 (defvar gnus-summary-save-parts-type-history nil)
1335 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1337 ;; Avoid highlighting in kill files.
1338 (defvar gnus-summary-inhibit-highlight nil)
1339 (defvar gnus-newsgroup-selected-overlay nil)
1340 (defvar gnus-inhibit-limiting nil)
1341 (defvar gnus-newsgroup-adaptive-score-file nil)
1342 (defvar gnus-current-score-file nil)
1343 (defvar gnus-current-move-group nil)
1344 (defvar gnus-current-copy-group nil)
1345 (defvar gnus-current-crosspost-group nil)
1346 (defvar gnus-newsgroup-display nil)
1348 (defvar gnus-newsgroup-dependencies nil)
1349 (defvar gnus-newsgroup-adaptive nil)
1350 (defvar gnus-summary-display-article-function nil)
1351 (defvar gnus-summary-highlight-line-function nil
1352 "Function called after highlighting a summary line.")
1354 (defvar gnus-summary-line-format-alist
1355 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1356 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1357 (?s gnus-tmp-subject-or-nil ?s)
1358 (?n gnus-tmp-name ?s)
1359 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1361 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1363 (?F gnus-tmp-from ?s)
1364 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1365 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1366 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1367 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1368 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1369 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1370 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1371 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1372 (?L gnus-tmp-lines ?s)
1373 (?Z (or ,(gnus-macroexpand-all
1374 '(nnir-article-rsv (mail-header-number gnus-tmp-header)))
1376 (?G (or ,(gnus-macroexpand-all
1377 '(nnir-article-group (mail-header-number gnus-tmp-header)))
1379 (?g (or ,(gnus-macroexpand-all
1380 '(gnus-group-short-name
1381 (nnir-article-group (mail-header-number gnus-tmp-header))))
1383 (?O gnus-tmp-downloaded ?c)
1384 (?I gnus-tmp-indentation ?s)
1385 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1386 (?R gnus-tmp-replied ?c)
1387 (?\[ gnus-tmp-opening-bracket ?c)
1388 (?\] gnus-tmp-closing-bracket ?c)
1389 (?\> (make-string gnus-tmp-level ? ) ?s)
1390 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1391 (?i gnus-tmp-score ?d)
1392 (?z gnus-tmp-score-char ?c)
1393 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1394 (?U gnus-tmp-unread ?c)
1395 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1397 (?t (gnus-summary-number-of-articles-in-thread
1398 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1400 (?e (gnus-summary-number-of-articles-in-thread
1401 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1403 (?u gnus-tmp-user-defined ?s)
1404 (?P (gnus-pick-line-number) ?d)
1405 (?B gnus-tmp-thread-tree-header-string ?s)
1406 (user-date (gnus-user-date
1407 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1408 "An alist of format specifications that can appear in summary lines.
1409 These are paired with what variables they correspond with, along with
1410 the type of the variable (string, integer, character, etc).")
1412 (defvar gnus-summary-dummy-line-format-alist
1413 `((?S gnus-tmp-subject ?s)
1414 (?N gnus-tmp-number ?d)
1415 (?u gnus-tmp-user-defined ?s)))
1417 (defvar gnus-summary-mode-line-format-alist
1418 `((?G gnus-tmp-group-name ?s)
1419 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1420 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1421 (?A gnus-tmp-article-number ?d)
1422 (?Z gnus-tmp-unread-and-unselected ?s)
1423 (?V gnus-version ?s)
1424 (?U gnus-tmp-unread-and-unticked ?d)
1425 (?S gnus-tmp-subject ?s)
1426 (?e gnus-tmp-unselected ?d)
1427 (?u gnus-tmp-user-defined ?s)
1428 (?d (length gnus-newsgroup-dormant) ?d)
1429 (?t (length gnus-newsgroup-marked) ?d)
1430 (?h (length gnus-newsgroup-spam-marked) ?d)
1431 (?r (length gnus-newsgroup-reads) ?d)
1432 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1433 (?E gnus-newsgroup-expunged-tally ?d)
1434 (?s (gnus-current-score-file-nondirectory) ?s)))
1436 ;; This is here rather than in gnus-art for compilation reasons.
1437 (defvar gnus-article-mode-line-format-alist
1438 (nconc '((?w (gnus-article-wash-status) ?s)
1439 (?m (gnus-article-mime-part-status) ?s))
1440 gnus-summary-mode-line-format-alist))
1442 (defvar gnus-last-search-regexp nil
1443 "Default regexp for article search command.")
1445 (defvar gnus-last-shell-command nil
1446 "Default shell command on article.")
1448 (defvar gnus-newsgroup-agentized nil
1449 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1450 (defvar gnus-newsgroup-begin nil)
1451 (defvar gnus-newsgroup-end nil)
1452 (defvar gnus-newsgroup-last-rmail nil)
1453 (defvar gnus-newsgroup-last-mail nil)
1454 (defvar gnus-newsgroup-last-folder nil)
1455 (defvar gnus-newsgroup-last-file nil)
1456 (defvar gnus-newsgroup-last-directory nil)
1457 (defvar gnus-newsgroup-auto-expire nil)
1458 (defvar gnus-newsgroup-active nil)
1459 (defvar gnus-newsgroup-highest nil)
1461 (defvar gnus-newsgroup-data nil)
1462 (defvar gnus-newsgroup-data-reverse nil)
1463 (defvar gnus-newsgroup-limit nil)
1464 (defvar gnus-newsgroup-limits nil)
1465 (defvar gnus-summary-use-undownloaded-faces nil)
1467 (defvar gnus-newsgroup-unreads nil
1468 "Sorted list of unread articles in the current newsgroup.")
1470 (defvar gnus-newsgroup-unselected nil
1471 "Sorted list of unselected unread articles in the current newsgroup.")
1473 (defvar gnus-newsgroup-reads nil
1474 "Alist of read articles and article marks in the current newsgroup.")
1476 (defvar gnus-newsgroup-expunged-tally nil)
1478 (defvar gnus-newsgroup-marked nil
1479 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1481 (defvar gnus-newsgroup-spam-marked nil
1482 "List of ranges of articles that have been marked as spam.")
1484 (defvar gnus-newsgroup-killed nil
1485 "List of ranges of articles that have been through the scoring process.")
1487 (defvar gnus-newsgroup-cached nil
1488 "Sorted list of articles that come from the article cache.")
1490 (defvar gnus-newsgroup-saved nil
1491 "List of articles that have been saved.")
1493 (defvar gnus-newsgroup-kill-headers nil)
1495 (defvar gnus-newsgroup-replied nil
1496 "List of articles that have been replied to in the current newsgroup.")
1498 (defvar gnus-newsgroup-forwarded nil
1499 "List of articles that have been forwarded in the current newsgroup.")
1501 (defvar gnus-newsgroup-recent nil
1502 "List of articles that have are recent in the current newsgroup.")
1504 (defvar gnus-newsgroup-expirable nil
1505 "Sorted list of articles in the current newsgroup that can be expired.")
1507 (defvar gnus-newsgroup-processable nil
1508 "List of articles in the current newsgroup that can be processed.")
1510 (defvar gnus-newsgroup-downloadable nil
1511 "Sorted list of articles in the current newsgroup that can be processed.")
1513 (defvar gnus-newsgroup-unfetched nil
1514 "Sorted list of articles in the current newsgroup whose headers have
1515 not been fetched into the agent.
1517 This list will always be a subset of gnus-newsgroup-undownloaded.")
1519 (defvar gnus-newsgroup-undownloaded nil
1520 "List of articles in the current newsgroup that haven't been downloaded.")
1522 (defvar gnus-newsgroup-unsendable nil
1523 "List of articles in the current newsgroup that won't be sent.")
1525 (defvar gnus-newsgroup-bookmarks nil
1526 "List of articles in the current newsgroup that have bookmarks.")
1528 (defvar gnus-newsgroup-dormant nil
1529 "Sorted list of dormant articles in the current newsgroup.")
1531 (defvar gnus-newsgroup-unseen nil
1532 "List of unseen articles in the current newsgroup.")
1534 (defvar gnus-newsgroup-seen nil
1535 "Range of seen articles in the current newsgroup.")
1537 (defvar gnus-newsgroup-articles nil
1538 "List of articles in the current newsgroup.")
1540 (defvar gnus-newsgroup-scored nil
1541 "List of scored articles in the current newsgroup.")
1543 (defvar gnus-newsgroup-headers nil
1544 "List of article headers in the current newsgroup.")
1546 (defvar gnus-newsgroup-threads nil)
1548 (defvar gnus-newsgroup-prepared nil
1549 "Whether the current group has been prepared properly.")
1551 (defvar gnus-newsgroup-ancient nil
1552 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1554 (defvar gnus-newsgroup-sparse nil)
1556 (defvar gnus-current-article nil)
1557 (defvar gnus-article-current nil)
1558 (defvar gnus-current-headers nil)
1559 (defvar gnus-have-all-headers nil)
1560 (defvar gnus-last-article nil)
1561 (defvar gnus-newsgroup-history nil)
1562 (defvar gnus-newsgroup-charset nil)
1563 (defvar gnus-newsgroup-ephemeral-charset nil)
1564 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1566 (defvar gnus-article-before-search nil)
1568 (defvar gnus-summary-local-variables
1569 '(gnus-newsgroup-name
1572 gnus-newsgroup-unreads
1573 gnus-newsgroup-unselected
1574 gnus-newsgroup-marked
1575 gnus-newsgroup-spam-marked
1576 gnus-newsgroup-reads
1577 gnus-newsgroup-saved
1578 gnus-newsgroup-replied
1579 gnus-newsgroup-forwarded
1580 gnus-newsgroup-recent
1581 gnus-newsgroup-expirable
1582 gnus-newsgroup-killed
1583 gnus-newsgroup-unseen
1585 gnus-newsgroup-cached
1586 gnus-newsgroup-downloadable
1587 gnus-newsgroup-undownloaded
1588 gnus-newsgroup-unsendable
1590 gnus-newsgroup-begin gnus-newsgroup-end
1591 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1592 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1593 gnus-newsgroup-last-directory
1594 gnus-newsgroup-auto-expire
1595 gnus-newsgroup-processable
1596 gnus-newsgroup-unfetched
1597 gnus-newsgroup-articles
1598 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1599 gnus-newsgroup-headers gnus-newsgroup-threads
1600 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1601 gnus-current-article gnus-current-headers gnus-have-all-headers
1602 gnus-last-article gnus-article-internal-prepare-hook
1603 (gnus-summary-article-delete-hook . global)
1604 (gnus-summary-article-move-hook . global)
1605 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1606 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1607 gnus-thread-expunge-below
1608 gnus-score-alist gnus-current-score-file
1609 (gnus-summary-expunge-below . global)
1610 (gnus-summary-mark-below . global)
1611 (gnus-orphan-score . global)
1612 gnus-newsgroup-active gnus-scores-exclude-files
1613 gnus-newsgroup-highest
1614 gnus-newsgroup-history gnus-newsgroup-ancient
1615 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1616 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1617 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1618 (gnus-newsgroup-expunged-tally . 0)
1619 gnus-cache-removable-articles
1620 gnus-newsgroup-data gnus-newsgroup-data-reverse
1621 gnus-newsgroup-limit gnus-newsgroup-limits
1622 gnus-newsgroup-charset gnus-newsgroup-display
1623 gnus-summary-use-undownloaded-faces)
1624 "Variables that are buffer-local to the summary buffers.")
1626 (defvar gnus-newsgroup-variables nil
1627 "A list of variables that have separate values in different newsgroups.
1628 A list of newsgroup (summary buffer) local variables, or cons of
1629 variables and their default expressions to be evalled (when the default
1630 values are not nil), that should be made global while the summary buffer
1633 Note: The default expressions will be evaluated (using function `eval')
1634 before assignment to the local variable rather than just assigned to it.
1635 If the default expression is the symbol `global', that symbol will not
1636 be evaluated but the global value of the local variable will be used
1639 These variables can be used to set variables in the group parameters
1640 while still allowing them to affect operations done in other buffers.
1643 \(setq gnus-newsgroup-variables
1644 '(message-use-followup-to
1645 (gnus-visible-headers .
1646 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1650 ;; Bind features so that require will believe that gnus-sum has
1651 ;; already been loaded (avoids infinite recursion)
1652 (let ((features (cons 'gnus-sum features)))
1653 (require 'gnus-art)))
1657 (defvar gnus-decode-encoded-word-methods
1658 '(mail-decode-encoded-word-string)
1659 "List of methods used to decode encoded words.
1661 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1662 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1663 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1664 whose names match REGEXP.
1667 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1668 mail-decode-encoded-word-string
1669 (\"chinese\" . rfc1843-decode-string))")
1671 (defvar gnus-decode-encoded-word-methods-cache nil)
1673 (defun gnus-multi-decode-encoded-word-string (string)
1674 "Apply the functions from `gnus-encoded-word-methods' that match."
1675 (unless (and gnus-decode-encoded-word-methods-cache
1676 (eq gnus-newsgroup-name
1677 (car gnus-decode-encoded-word-methods-cache)))
1678 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1679 (dolist (method gnus-decode-encoded-word-methods)
1680 (if (symbolp method)
1681 (nconc gnus-decode-encoded-word-methods-cache (list method))
1682 (if (and gnus-newsgroup-name
1683 (string-match (car method) gnus-newsgroup-name))
1684 (nconc gnus-decode-encoded-word-methods-cache
1685 (list (cdr method)))))))
1686 (dolist (method (cdr gnus-decode-encoded-word-methods-cache) string)
1687 (setq string (funcall method string))))
1689 ;; Subject simplification.
1691 (defun gnus-simplify-whitespace (str)
1692 "Remove excessive whitespace from STR."
1694 (while (string-match "[ \t][ \t]+" str)
1695 (setq str (concat (substring str 0 (match-beginning 0))
1697 (substring str (match-end 0)))))
1699 (when (string-match "^[ \t]+" str)
1700 (setq str (substring str (match-end 0))))
1702 (when (string-match "[ \t]+$" str)
1703 (setq str (substring str 0 (match-beginning 0))))
1706 (defun gnus-simplify-all-whitespace (str)
1707 "Remove all whitespace from STR."
1708 (while (string-match "[ \t\n]+" str)
1709 (setq str (replace-match "" nil nil str)))
1712 (defsubst gnus-simplify-subject-re (subject)
1713 "Remove \"Re:\" from subject lines."
1714 (if (string-match message-subject-re-regexp subject)
1715 (substring subject (match-end 0))
1718 (defun gnus-simplify-subject (subject &optional re-only)
1719 "Remove `Re:' and words in parentheses.
1720 If RE-ONLY is non-nil, strip leading `Re:'s only."
1721 (let ((case-fold-search t)) ;Ignore case.
1722 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1723 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1724 (setq subject (substring subject (match-end 0))))
1725 ;; Remove uninteresting prefixes.
1726 (when (and (not re-only)
1727 gnus-simplify-ignored-prefixes
1728 (string-match gnus-simplify-ignored-prefixes subject))
1729 (setq subject (substring subject (match-end 0))))
1730 ;; Remove words in parentheses from end.
1732 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1733 (setq subject (substring subject 0 (match-beginning 0)))))
1734 ;; Return subject string.
1737 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1739 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1740 (goto-char (point-min))
1741 (while (re-search-forward regexp nil t)
1742 (replace-match (or newtext ""))))
1744 (defun gnus-simplify-buffer-fuzzy (regexp)
1745 "Simplify string in the buffer fuzzily.
1746 The string in the accessible portion of the current buffer is simplified.
1747 It is assumed to be a single-line subject.
1748 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1749 matter is removed. Additional things can be deleted by setting
1750 `gnus-simplify-subject-fuzzy-regexp'."
1751 (let ((case-fold-search t)
1753 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1755 (while (not (eq modified-tick (buffer-modified-tick)))
1756 (setq modified-tick (buffer-modified-tick))
1759 (mapc 'gnus-simplify-buffer-fuzzy-step regexp))
1761 (gnus-simplify-buffer-fuzzy-step regexp)))
1762 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1763 (gnus-simplify-buffer-fuzzy-step
1764 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1765 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1767 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1768 (gnus-simplify-buffer-fuzzy-step " +" " ")
1769 (gnus-simplify-buffer-fuzzy-step " $")
1770 (gnus-simplify-buffer-fuzzy-step "^ +")))
1772 (defun gnus-simplify-subject-fuzzy (subject)
1773 "Simplify a subject string fuzzily.
1774 See `gnus-simplify-buffer-fuzzy' for details."
1776 (let ((regexp gnus-simplify-subject-fuzzy-regexp))
1777 (gnus-set-work-buffer)
1778 (let ((case-fold-search t))
1779 ;; Remove uninteresting prefixes.
1780 (when (and gnus-simplify-ignored-prefixes
1781 (string-match gnus-simplify-ignored-prefixes subject))
1782 (setq subject (substring subject (match-end 0))))
1784 (inline (gnus-simplify-buffer-fuzzy regexp))
1787 (defsubst gnus-simplify-subject-fully (subject)
1788 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1790 (gnus-simplify-subject-functions
1791 (gnus-map-function gnus-simplify-subject-functions subject))
1792 ((null gnus-summary-gather-subject-limit)
1793 (gnus-simplify-subject-re subject))
1794 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1795 (gnus-simplify-subject-fuzzy subject))
1796 ((numberp gnus-summary-gather-subject-limit)
1797 (truncate-string-to-width (gnus-simplify-subject-re subject)
1798 gnus-summary-gather-subject-limit))
1802 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1803 "Check whether two subjects are equal.
1804 If optional argument SIMPLE-FIRST is t, first argument is already
1807 ((null simple-first)
1808 (equal (gnus-simplify-subject-fully s1)
1809 (gnus-simplify-subject-fully s2)))
1812 (gnus-simplify-subject-fully s2)))))
1814 (defun gnus-summary-bubble-group ()
1815 "Increase the score of the current group.
1816 This is a handy function to add to `gnus-summary-exit-hook' to
1817 increase the score of each group you read."
1818 (gnus-group-add-score gnus-newsgroup-name))
1822 ;;; Gnus summary mode
1825 (put 'gnus-summary-mode 'mode-class 'special)
1827 (defvar gnus-article-commands-menu)
1829 ;; Non-orthogonal keys
1831 (gnus-define-keys gnus-summary-mode-map
1832 " " gnus-summary-next-page
1833 "\177" gnus-summary-prev-page
1834 [delete] gnus-summary-prev-page
1835 [backspace] gnus-summary-prev-page
1836 "\r" gnus-summary-scroll-up
1837 "\M-\r" gnus-summary-scroll-down
1838 "n" gnus-summary-next-unread-article
1839 "p" gnus-summary-prev-unread-article
1840 "N" gnus-summary-next-article
1841 "P" gnus-summary-prev-article
1842 "\M-\C-n" gnus-summary-next-same-subject
1843 "\M-\C-p" gnus-summary-prev-same-subject
1844 "\M-n" gnus-summary-next-unread-subject
1845 "\M-p" gnus-summary-prev-unread-subject
1846 "." gnus-summary-first-unread-article
1847 "," gnus-summary-best-unread-article
1848 "\M-s" gnus-summary-search-article-forward
1849 "\M-r" gnus-summary-search-article-backward
1850 "\M-S" gnus-summary-repeat-search-article-forward
1851 "\M-R" gnus-summary-repeat-search-article-backward
1852 "<" gnus-summary-beginning-of-article
1853 ">" gnus-summary-end-of-article
1854 "j" gnus-summary-goto-article
1855 "^" gnus-summary-refer-parent-article
1856 "\M-^" gnus-summary-refer-article
1857 "u" gnus-summary-tick-article-forward
1858 "!" gnus-summary-tick-article-forward
1859 "U" gnus-summary-tick-article-backward
1860 "d" gnus-summary-mark-as-read-forward
1861 "D" gnus-summary-mark-as-read-backward
1862 "E" gnus-summary-mark-as-expirable
1863 "\M-u" gnus-summary-clear-mark-forward
1864 "\M-U" gnus-summary-clear-mark-backward
1865 "k" gnus-summary-kill-same-subject-and-select
1866 "\C-k" gnus-summary-kill-same-subject
1867 "\M-\C-k" gnus-summary-kill-thread
1868 "\M-\C-l" gnus-summary-lower-thread
1869 "e" gnus-summary-edit-article
1870 "#" gnus-summary-mark-as-processable
1871 "\M-#" gnus-summary-unmark-as-processable
1872 "\M-\C-t" gnus-summary-toggle-threads
1873 "\M-\C-s" gnus-summary-show-thread
1874 "\M-\C-h" gnus-summary-hide-thread
1875 "\M-\C-f" gnus-summary-next-thread
1876 "\M-\C-b" gnus-summary-prev-thread
1877 [(meta down)] gnus-summary-next-thread
1878 [(meta up)] gnus-summary-prev-thread
1879 "\M-\C-u" gnus-summary-up-thread
1880 "\M-\C-d" gnus-summary-down-thread
1881 "&" gnus-summary-execute-command
1882 "c" gnus-summary-catchup-and-exit
1883 "\C-w" gnus-summary-mark-region-as-read
1884 "\C-t" gnus-summary-toggle-truncation
1885 "?" gnus-summary-mark-as-dormant
1886 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1887 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1888 "\C-c\C-s\C-m\C-n" gnus-summary-sort-by-most-recent-number
1889 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1890 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1891 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1892 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1893 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1894 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1895 "\C-c\C-s\C-m\C-d" gnus-summary-sort-by-most-recent-date
1896 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1897 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1898 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1899 "=" gnus-summary-expand-window
1900 "\C-x\C-s" gnus-summary-reselect-current-group
1901 "\M-g" gnus-summary-rescan-group
1902 "\C-c\C-r" gnus-summary-caesar-message
1903 "f" gnus-summary-followup
1904 "F" gnus-summary-followup-with-original
1905 "C" gnus-summary-cancel-article
1906 "r" gnus-summary-reply
1907 "R" gnus-summary-reply-with-original
1908 "\C-c\C-f" gnus-summary-mail-forward
1909 "o" gnus-summary-save-article
1910 "\C-o" gnus-summary-save-article-mail
1911 "|" gnus-summary-pipe-output
1912 "\M-k" gnus-summary-edit-local-kill
1913 "\M-K" gnus-summary-edit-global-kill
1915 "\C-c\C-d" gnus-summary-describe-group
1916 "q" gnus-summary-exit
1917 "Q" gnus-summary-exit-no-update
1918 "\C-c\C-i" gnus-info-find-node
1919 gnus-mouse-2 gnus-mouse-pick-article
1920 [follow-link] mouse-face
1921 "m" gnus-summary-mail-other-window
1922 "a" gnus-summary-post-news
1923 "x" gnus-summary-limit-to-unread
1924 "s" gnus-summary-isearch-article
1925 [tab] gnus-summary-widget-forward
1926 "t" gnus-summary-toggle-header
1927 "g" gnus-summary-show-article
1928 "l" gnus-summary-goto-last-article
1929 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1930 "\C-d" gnus-summary-enter-digest-group
1931 "\M-\C-d" gnus-summary-read-document
1932 "\M-\C-e" gnus-summary-edit-parameters
1933 "\M-\C-a" gnus-summary-customize-parameters
1935 "*" gnus-cache-enter-article
1936 "\M-*" gnus-cache-remove-article
1937 "\M-&" gnus-summary-universal-argument
1938 "\C-l" gnus-recenter
1939 "I" gnus-summary-increase-score
1940 "L" gnus-summary-lower-score
1941 "\M-i" gnus-symbolic-argument
1942 "h" gnus-summary-select-article-buffer
1944 "b" gnus-article-view-part
1945 "\M-t" gnus-summary-toggle-display-buttonized
1947 "V" gnus-summary-score-map
1948 "X" gnus-uu-extract-map
1949 "S" gnus-summary-send-map)
1951 ;; Sort of orthogonal keymap
1952 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1953 "t" gnus-summary-tick-article-forward
1954 "!" gnus-summary-tick-article-forward
1955 "d" gnus-summary-mark-as-read-forward
1956 "r" gnus-summary-mark-as-read-forward
1957 "c" gnus-summary-clear-mark-forward
1958 " " gnus-summary-clear-mark-forward
1959 "e" gnus-summary-mark-as-expirable
1960 "x" gnus-summary-mark-as-expirable
1961 "?" gnus-summary-mark-as-dormant
1962 "b" gnus-summary-set-bookmark
1963 "B" gnus-summary-remove-bookmark
1964 "#" gnus-summary-mark-as-processable
1965 "\M-#" gnus-summary-unmark-as-processable
1966 "S" gnus-summary-limit-include-expunged
1967 "C" gnus-summary-catchup
1968 "H" gnus-summary-catchup-to-here
1969 "h" gnus-summary-catchup-from-here
1970 "\C-c" gnus-summary-catchup-all
1971 "k" gnus-summary-kill-same-subject-and-select
1972 "K" gnus-summary-kill-same-subject
1973 "P" gnus-uu-mark-map)
1975 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1976 "c" gnus-summary-clear-above
1977 "u" gnus-summary-tick-above
1978 "m" gnus-summary-mark-above
1979 "k" gnus-summary-kill-below)
1981 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1982 "/" gnus-summary-limit-to-subject
1983 "n" gnus-summary-limit-to-articles
1984 "b" gnus-summary-limit-to-bodies
1985 "h" gnus-summary-limit-to-headers
1986 "w" gnus-summary-pop-limit
1987 "s" gnus-summary-limit-to-subject
1988 "a" gnus-summary-limit-to-author
1989 "u" gnus-summary-limit-to-unread
1990 "m" gnus-summary-limit-to-marks
1991 "M" gnus-summary-limit-exclude-marks
1992 "v" gnus-summary-limit-to-score
1993 "*" gnus-summary-limit-include-cached
1994 "D" gnus-summary-limit-include-dormant
1995 "T" gnus-summary-limit-include-thread
1996 "d" gnus-summary-limit-exclude-dormant
1997 "t" gnus-summary-limit-to-age
1998 "." gnus-summary-limit-to-unseen
1999 "x" gnus-summary-limit-to-extra
2000 "p" gnus-summary-limit-to-display-predicate
2001 "E" gnus-summary-limit-include-expunged
2002 "c" gnus-summary-limit-exclude-childless-dormant
2003 "C" gnus-summary-limit-mark-excluded-as-read
2004 "o" gnus-summary-insert-old-articles
2005 "N" gnus-summary-insert-new-articles
2006 "S" gnus-summary-limit-to-singletons
2007 "r" gnus-summary-limit-to-replied
2008 "R" gnus-summary-limit-to-recipient
2009 "A" gnus-summary-limit-to-address)
2011 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
2012 "n" gnus-summary-next-unread-article
2013 "p" gnus-summary-prev-unread-article
2014 "N" gnus-summary-next-article
2015 "P" gnus-summary-prev-article
2016 "\C-n" gnus-summary-next-same-subject
2017 "\C-p" gnus-summary-prev-same-subject
2018 "\M-n" gnus-summary-next-unread-subject
2019 "\M-p" gnus-summary-prev-unread-subject
2020 "f" gnus-summary-first-unread-article
2021 "b" gnus-summary-best-unread-article
2022 "j" gnus-summary-goto-article
2023 "g" gnus-summary-goto-subject
2024 "l" gnus-summary-goto-last-article
2025 "o" gnus-summary-pop-article)
2027 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
2028 "k" gnus-summary-kill-thread
2029 "E" gnus-summary-expire-thread
2030 "l" gnus-summary-lower-thread
2031 "i" gnus-summary-raise-thread
2032 "T" gnus-summary-toggle-threads
2033 "t" gnus-summary-rethread-current
2034 "^" gnus-summary-reparent-thread
2035 "\M-^" gnus-summary-reparent-children
2036 "s" gnus-summary-show-thread
2037 "S" gnus-summary-show-all-threads
2038 "h" gnus-summary-hide-thread
2039 "H" gnus-summary-hide-all-threads
2040 "n" gnus-summary-next-thread
2041 "p" gnus-summary-prev-thread
2042 "u" gnus-summary-up-thread
2043 "o" gnus-summary-top-thread
2044 "d" gnus-summary-down-thread
2045 "#" gnus-uu-mark-thread
2046 "\M-#" gnus-uu-unmark-thread)
2048 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
2049 "g" gnus-summary-prepare
2050 "c" gnus-summary-insert-cached-articles
2051 "d" gnus-summary-insert-dormant-articles
2052 "t" gnus-summary-insert-ticked-articles)
2054 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
2055 "c" gnus-summary-catchup-and-exit
2056 "C" gnus-summary-catchup-all-and-exit
2057 "E" gnus-summary-exit-no-update
2058 "Q" gnus-summary-exit
2059 "Z" gnus-summary-exit
2060 "n" gnus-summary-catchup-and-goto-next-group
2061 "p" gnus-summary-catchup-and-goto-prev-group
2062 "R" gnus-summary-reselect-current-group
2063 "G" gnus-summary-rescan-group
2064 "N" gnus-summary-next-group
2065 "s" gnus-summary-save-newsrc
2066 "P" gnus-summary-prev-group)
2068 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
2069 " " gnus-summary-next-page
2070 "n" gnus-summary-next-page
2071 "\177" gnus-summary-prev-page
2072 [delete] gnus-summary-prev-page
2073 "p" gnus-summary-prev-page
2074 "\r" gnus-summary-scroll-up
2075 "\M-\r" gnus-summary-scroll-down
2076 "<" gnus-summary-beginning-of-article
2077 ">" gnus-summary-end-of-article
2078 "b" gnus-summary-beginning-of-article
2079 "e" gnus-summary-end-of-article
2080 "^" gnus-summary-refer-parent-article
2081 "r" gnus-summary-refer-parent-article
2082 "C" gnus-summary-show-complete-article
2083 "D" gnus-summary-enter-digest-group
2084 "R" gnus-summary-refer-references
2085 "T" gnus-summary-refer-thread
2086 "W" gnus-warp-to-article
2087 "g" gnus-summary-show-article
2088 "s" gnus-summary-isearch-article
2089 [tab] gnus-summary-widget-forward
2090 "P" gnus-summary-print-article
2091 "S" gnus-sticky-article
2092 "M" gnus-mailing-list-insinuate
2093 "t" gnus-article-babel)
2095 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
2096 "b" gnus-article-add-buttons
2097 "B" gnus-article-add-buttons-to-head
2098 "o" gnus-article-treat-overstrike
2099 "e" gnus-article-emphasize
2100 "w" gnus-article-fill-cited-article
2101 "Q" gnus-article-fill-long-lines
2102 "L" gnus-article-toggle-truncate-lines
2103 "C" gnus-article-capitalize-sentences
2104 "c" gnus-article-remove-cr
2105 "q" gnus-article-de-quoted-unreadable
2106 "6" gnus-article-de-base64-unreadable
2107 "Z" gnus-article-decode-HZ
2108 "A" gnus-article-treat-ansi-sequences
2109 "h" gnus-article-wash-html
2110 "u" gnus-article-unsplit-urls
2111 "s" gnus-summary-force-verify-and-decrypt
2112 "f" gnus-article-display-x-face
2113 "l" gnus-summary-stop-page-breaking
2114 "r" gnus-summary-caesar-message
2115 "m" gnus-summary-morse-message
2116 "t" gnus-summary-toggle-header
2117 "g" gnus-treat-smiley
2118 "v" gnus-summary-verbose-headers
2119 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
2120 "p" gnus-article-verify-x-pgp-sig
2121 "d" gnus-article-treat-dumbquotes
2122 "U" gnus-article-treat-non-ascii
2123 "i" gnus-summary-idna-message)
2125 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
2126 ;; mnemonic: deuglif*Y*
2127 "u" gnus-article-outlook-unwrap-lines
2128 "a" gnus-article-outlook-repair-attribution
2129 "c" gnus-article-outlook-rearrange-citation
2130 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
2132 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
2133 "a" gnus-article-hide
2134 "h" gnus-article-hide-headers
2135 "b" gnus-article-hide-boring-headers
2136 "s" gnus-article-hide-signature
2137 "c" gnus-article-hide-citation
2138 "C" gnus-article-hide-citation-in-followups
2139 "l" gnus-article-hide-list-identifiers
2140 "B" gnus-article-strip-banner
2141 "P" gnus-article-hide-pem
2142 "\C-c" gnus-article-hide-citation-maybe)
2144 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
2145 "a" gnus-article-highlight
2146 "h" gnus-article-highlight-headers
2147 "c" gnus-article-highlight-citation
2148 "s" gnus-article-highlight-signature)
2150 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2151 "f" gnus-article-treat-fold-headers
2152 "u" gnus-article-treat-unfold-headers
2153 "n" gnus-article-treat-fold-newsgroups)
2155 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2156 "x" gnus-article-display-x-face
2157 "d" gnus-article-display-face
2158 "s" gnus-treat-smiley
2159 "D" gnus-article-remove-images
2160 "W" gnus-article-show-images
2161 "f" gnus-treat-from-picon
2162 "m" gnus-treat-mail-picon
2163 "n" gnus-treat-newsgroups-picon
2164 "g" gnus-treat-from-gravatar
2165 "h" gnus-treat-mail-gravatar)
2167 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
2168 "w" gnus-article-decode-mime-words
2169 "c" gnus-article-decode-charset
2170 "v" gnus-mime-view-all-parts
2171 "b" gnus-article-view-part)
2173 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2174 "z" gnus-article-date-ut
2175 "u" gnus-article-date-ut
2176 "l" gnus-article-date-local
2177 "p" gnus-article-date-english
2178 "e" gnus-article-date-lapsed
2179 "o" gnus-article-date-original
2180 "i" gnus-article-date-iso8601
2181 "s" gnus-article-date-user)
2183 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2184 "t" gnus-article-remove-trailing-blank-lines
2185 "l" gnus-article-strip-leading-blank-lines
2186 "m" gnus-article-strip-multiple-blank-lines
2187 "a" gnus-article-strip-blank-lines
2188 "A" gnus-article-strip-all-blank-lines
2189 "s" gnus-article-strip-leading-space
2190 "e" gnus-article-strip-trailing-space
2191 "w" gnus-article-remove-leading-whitespace)
2193 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2195 "d" gnus-summary-describe-group
2196 "h" gnus-summary-describe-briefly
2197 "i" gnus-info-find-node)
2199 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2200 "e" gnus-summary-expire-articles
2201 "\M-\C-e" gnus-summary-expire-articles-now
2202 "\177" gnus-summary-delete-article
2203 [delete] gnus-summary-delete-article
2204 [backspace] gnus-summary-delete-article
2205 "m" gnus-summary-move-article
2206 "r" gnus-summary-respool-article
2207 "w" gnus-summary-edit-article
2208 "c" gnus-summary-copy-article
2209 "B" gnus-summary-crosspost-article
2210 "q" gnus-summary-respool-query
2211 "t" gnus-summary-respool-trace
2212 "i" gnus-summary-import-article
2213 "I" gnus-summary-create-article
2214 "p" gnus-summary-article-posted-p)
2216 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2217 "o" gnus-summary-save-article
2218 "m" gnus-summary-save-article-mail
2219 "F" gnus-summary-write-article-file
2220 "r" gnus-summary-save-article-rmail
2221 "f" gnus-summary-save-article-file
2222 "b" gnus-summary-save-article-body-file
2223 "B" gnus-summary-write-article-body-file
2224 "h" gnus-summary-save-article-folder
2225 "v" gnus-summary-save-article-vm
2226 "p" gnus-summary-pipe-output
2227 "P" gnus-summary-muttprint)
2229 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2230 "b" gnus-summary-display-buttonized
2231 "m" gnus-summary-repair-multipart
2232 "v" gnus-article-view-part
2233 "o" gnus-article-save-part
2234 "O" gnus-article-save-part-and-strip
2235 "r" gnus-article-replace-part
2236 "d" gnus-article-delete-part
2237 "t" gnus-article-view-part-as-type
2238 "j" gnus-article-jump-to-part
2239 "c" gnus-article-copy-part
2240 "C" gnus-article-view-part-as-charset
2241 "e" gnus-article-view-part-externally
2242 "H" gnus-article-browse-html-article
2243 "E" gnus-article-encrypt-body
2244 "i" gnus-article-inline-part
2245 "|" gnus-article-pipe-part)
2247 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2248 "p" gnus-summary-mark-as-processable
2249 "u" gnus-summary-unmark-as-processable
2250 "U" gnus-summary-unmark-all-processable
2251 "v" gnus-uu-mark-over
2252 "s" gnus-uu-mark-series
2253 "r" gnus-uu-mark-region
2254 "g" gnus-uu-unmark-region
2255 "R" gnus-uu-mark-by-regexp
2256 "G" gnus-uu-unmark-by-regexp
2257 "t" gnus-uu-mark-thread
2258 "T" gnus-uu-unmark-thread
2259 "a" gnus-uu-mark-all
2260 "b" gnus-uu-mark-buffer
2261 "S" gnus-uu-mark-sparse
2262 "k" gnus-summary-kill-process-mark
2263 "y" gnus-summary-yank-process-mark
2264 "w" gnus-summary-save-process-mark
2265 "i" gnus-uu-invert-processable)
2267 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2268 ;;"x" gnus-uu-extract-any
2269 "m" gnus-summary-save-parts
2270 "u" gnus-uu-decode-uu
2271 "U" gnus-uu-decode-uu-and-save
2272 "s" gnus-uu-decode-unshar
2273 "S" gnus-uu-decode-unshar-and-save
2274 "o" gnus-uu-decode-save
2275 "O" gnus-uu-decode-save
2276 "b" gnus-uu-decode-binhex
2277 "B" gnus-uu-decode-binhex
2278 "Y" gnus-uu-decode-yenc
2279 "p" gnus-uu-decode-postscript
2280 "P" gnus-uu-decode-postscript-and-save)
2283 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2284 "u" gnus-uu-decode-uu-view
2285 "U" gnus-uu-decode-uu-and-save-view
2286 "s" gnus-uu-decode-unshar-view
2287 "S" gnus-uu-decode-unshar-and-save-view
2288 "o" gnus-uu-decode-save-view
2289 "O" gnus-uu-decode-save-view
2290 "b" gnus-uu-decode-binhex-view
2291 "B" gnus-uu-decode-binhex-view
2292 "p" gnus-uu-decode-postscript-view
2293 "P" gnus-uu-decode-postscript-and-save-view)
2295 (defvar gnus-article-post-menu nil)
2297 (defconst gnus-summary-menu-maxlen 20)
2299 (defun gnus-summary-menu-split (menu)
2300 ;; If we have lots of elements, divide them into groups of 20
2301 ;; and make a pane (or submenu) for each one.
2302 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2303 (let ((menu menu) sublists next
2306 ;; Pull off the next gnus-summary-menu-maxlen elements
2307 ;; and make them the next element of sublist.
2308 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2310 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2312 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2313 (aref (car (last menu)) 0)) menu)
2317 (nreverse sublists))
2318 ;; Few elements--put them all in one pane.
2321 (defun gnus-summary-make-menu-bar ()
2322 (gnus-turn-off-edit-menu 'summary)
2324 (unless (boundp 'gnus-summary-misc-menu)
2327 gnus-summary-kill-menu gnus-summary-mode-map ""
2332 ["Customize" gnus-score-customize t])
2333 (gnus-make-score-map 'increase)
2334 (gnus-make-score-map 'lower)
2336 ["Kill below" gnus-summary-kill-below t]
2337 ["Mark above" gnus-summary-mark-above t]
2338 ["Tick above" gnus-summary-tick-above t]
2339 ["Clear above" gnus-summary-clear-above t])
2340 ["Current score" gnus-summary-current-score t]
2341 ["Set score" gnus-summary-set-score t]
2342 ["Switch current score file..." gnus-score-change-score-file t]
2343 ["Set mark below..." gnus-score-set-mark-below t]
2344 ["Set expunge below..." gnus-score-set-expunge-below t]
2345 ["Edit current score file" gnus-score-edit-current-scores t]
2346 ["Edit score file..." gnus-score-edit-file t]
2347 ["Trace score" gnus-score-find-trace t]
2348 ["Find words" gnus-score-find-favourite-words t]
2349 ["Rescore buffer" gnus-summary-rescore t]
2350 ["Increase score..." gnus-summary-increase-score t]
2351 ["Lower score..." gnus-summary-lower-score t]))))
2353 ;; Define both the Article menu in the summary buffer and the
2354 ;; equivalent Commands menu in the article buffer here for
2358 ["All" gnus-article-hide t]
2359 ["Headers" gnus-article-hide-headers t]
2360 ["Signature" gnus-article-hide-signature t]
2361 ["Citation" gnus-article-hide-citation t]
2362 ["List identifiers" gnus-article-hide-list-identifiers t]
2363 ["Banner" gnus-article-strip-banner t]
2364 ["Boring headers" gnus-article-hide-boring-headers t])
2366 ["All" gnus-article-highlight t]
2367 ["Headers" gnus-article-highlight-headers t]
2368 ["Signature" gnus-article-highlight-signature t]
2369 ["Citation" gnus-article-highlight-citation t])
2371 ["Words" gnus-article-decode-mime-words t]
2372 ["Charset" gnus-article-decode-charset t]
2373 ["QP" gnus-article-de-quoted-unreadable t]
2374 ["Base64" gnus-article-de-base64-unreadable t]
2375 ["View MIME buttons" gnus-summary-display-buttonized t]
2376 ["View all" gnus-mime-view-all-parts t]
2377 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2378 ["Encrypt body" gnus-article-encrypt-body
2379 :active (not (gnus-group-read-only-p))
2380 ,@(if (featurep 'xemacs) nil
2381 '(:help "Encrypt the message body on disk"))]
2382 ["Extract all parts..." gnus-summary-save-parts t]
2384 ["Repair multipart" gnus-summary-repair-multipart t]
2385 ["Pipe part..." gnus-article-pipe-part t]
2386 ["Inline part" gnus-article-inline-part t]
2387 ["View part as type..." gnus-article-view-part-as-type t]
2388 ["Encrypt body" gnus-article-encrypt-body
2389 :active (not (gnus-group-read-only-p))
2390 ,@(if (featurep 'xemacs) nil
2391 '(:help "Encrypt the message body on disk"))]
2392 ["View part externally" gnus-article-view-part-externally t]
2393 ["View HTML parts in browser" gnus-article-browse-html-article t]
2394 ["View part with charset..." gnus-article-view-part-as-charset t]
2395 ["Copy part" gnus-article-copy-part t]
2396 ["Save part..." gnus-article-save-part t]
2397 ["View part" gnus-article-view-part t]))
2399 ["Local" gnus-article-date-local t]
2400 ["ISO8601" gnus-article-date-iso8601 t]
2401 ["UT" gnus-article-date-ut t]
2402 ["Original" gnus-article-date-original t]
2403 ["Lapsed" gnus-article-date-lapsed t]
2404 ["User-defined" gnus-article-date-user t])
2406 ["Remove images" gnus-article-remove-images t]
2407 ["Toggle smiley" gnus-treat-smiley t]
2408 ["Show X-Face" gnus-article-display-x-face t]
2409 ["Show picons in From" gnus-treat-from-picon t]
2410 ["Show picons in mail headers" gnus-treat-mail-picon t]
2411 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2412 ["Show Gravatars in From" gnus-treat-from-gravatar t]
2413 ["Show Gravatars in mail headers" gnus-treat-mail-gravatar t]
2414 ("View as different encoding"
2415 ,@(gnus-summary-menu-split
2418 ;; Since easymenu under Emacs doesn't allow
2419 ;; lambda forms for menu commands, we should
2420 ;; provide intern'ed function symbols.
2421 (let ((command (intern (format "\
2422 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2426 (let ((gnus-summary-show-article-charset-alist
2428 (gnus-summary-show-article 1))))
2429 `[,(symbol-name cs) ,command t]))
2430 (sort (if (fboundp 'coding-system-list)
2431 (coding-system-list)
2432 (mapcar 'car mm-mime-mule-charset-alist))
2436 ["Leading" gnus-article-strip-leading-blank-lines t]
2437 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2438 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2439 ["All of the above" gnus-article-strip-blank-lines t]
2440 ["All" gnus-article-strip-all-blank-lines t]
2441 ["Leading space" gnus-article-strip-leading-space t]
2442 ["Trailing space" gnus-article-strip-trailing-space t]
2443 ["Leading space in headers"
2444 gnus-article-remove-leading-whitespace t])
2445 ["Overstrike" gnus-article-treat-overstrike t]
2446 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2447 ["Non-ASCII" gnus-article-treat-non-ascii t]
2448 ["Emphasis" gnus-article-emphasize t]
2449 ["Word wrap" gnus-article-fill-cited-article t]
2450 ["Fill long lines" gnus-article-fill-long-lines t]
2451 ["Toggle truncate long lines" gnus-article-toggle-truncate-lines t]
2452 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2453 ["Remove CR" gnus-article-remove-cr t]
2454 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2455 ["Base64" gnus-article-de-base64-unreadable t]
2456 ["Rot 13" gnus-summary-caesar-message
2457 ,@(if (featurep 'xemacs) '(t)
2458 '(:help "\"Caesar rotate\" article by 13"))]
2459 ["De-IDNA" gnus-summary-idna-message t]
2460 ["Morse decode" gnus-summary-morse-message t]
2461 ["Unix pipe..." gnus-summary-pipe-message t]
2462 ["Add buttons" gnus-article-add-buttons t]
2463 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2464 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2465 ["Verbose header" gnus-summary-verbose-headers t]
2466 ["Toggle header" gnus-summary-toggle-header t]
2467 ["Unfold headers" gnus-article-treat-unfold-headers t]
2468 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2469 ["Html" gnus-article-wash-html t]
2470 ["Unsplit URLs" gnus-article-unsplit-urls t]
2471 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2472 ["Decode HZ" gnus-article-decode-HZ t]
2473 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2474 ("(Outlook) Deuglify"
2475 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2476 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2477 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2478 ["Full (Outlook) deuglify"
2479 gnus-article-outlook-deuglify-article t])
2482 ["Save in default format..." gnus-summary-save-article
2483 ,@(if (featurep 'xemacs) '(t)
2484 '(:help "Save article using default method"))]
2485 ["Save in file..." gnus-summary-save-article-file
2486 ,@(if (featurep 'xemacs) '(t)
2487 '(:help "Save article in file"))]
2488 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2489 ["Save in MH folder..." gnus-summary-save-article-folder t]
2490 ["Save in VM folder..." gnus-summary-save-article-vm t]
2491 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2492 ["Save body in file..." gnus-summary-save-article-body-file t]
2493 ["Pipe through a filter..." gnus-summary-pipe-output t]
2494 ["Print with Muttprint..." gnus-summary-muttprint t]
2495 ["Print" gnus-summary-print-article
2496 ,@(if (featurep 'xemacs) '(t)
2497 '(:help "Generate and print a PostScript image"))])
2498 ("Copy, move,... (Backend)"
2499 ,@(if (featurep 'xemacs) nil
2500 '(:help "Copying, moving, expiring articles..."))
2501 ["Respool article..." gnus-summary-respool-article t]
2502 ["Move article..." gnus-summary-move-article
2503 (gnus-check-backend-function
2504 'request-move-article gnus-newsgroup-name)]
2505 ["Copy article..." gnus-summary-copy-article t]
2506 ["Crosspost article..." gnus-summary-crosspost-article
2507 (gnus-check-backend-function
2508 'request-replace-article gnus-newsgroup-name)]
2509 ["Import file..." gnus-summary-import-article
2510 (gnus-check-backend-function
2511 'request-accept-article gnus-newsgroup-name)]
2512 ["Create article..." gnus-summary-create-article
2513 (gnus-check-backend-function
2514 'request-accept-article gnus-newsgroup-name)]
2515 ["Check if posted" gnus-summary-article-posted-p t]
2516 ["Edit article" gnus-summary-edit-article
2517 (not (gnus-group-read-only-p))]
2518 ["Delete article" gnus-summary-delete-article
2519 (gnus-check-backend-function
2520 'request-expire-articles gnus-newsgroup-name)]
2521 ["Query respool" gnus-summary-respool-query t]
2522 ["Trace respool" gnus-summary-respool-trace t]
2523 ["Delete expirable articles" gnus-summary-expire-articles-now
2524 (gnus-check-backend-function
2525 'request-expire-articles gnus-newsgroup-name)])
2527 ["Uudecode" gnus-uu-decode-uu
2528 ,@(if (featurep 'xemacs) '(t)
2529 '(:help "Decode uuencoded article(s)"))]
2530 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2531 ["Unshar" gnus-uu-decode-unshar t]
2532 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2533 ["Save" gnus-uu-decode-save t]
2534 ["Binhex" gnus-uu-decode-binhex t]
2535 ["Postscript" gnus-uu-decode-postscript t]
2536 ["All MIME parts" gnus-summary-save-parts t])
2538 ["Enter article" gnus-cache-enter-article t]
2539 ["Remove article" gnus-cache-remove-article t])
2540 ["Translate" gnus-article-babel t]
2541 ["Select article buffer" gnus-summary-select-article-buffer t]
2542 ["Make article buffer sticky" gnus-sticky-article t]
2543 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2544 ["Isearch article..." gnus-summary-isearch-article t]
2545 ["Beginning of the article" gnus-summary-beginning-of-article t]
2546 ["End of the article" gnus-summary-end-of-article t]
2547 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2548 ["Fetch referenced articles" gnus-summary-refer-references t]
2549 ["Fetch current thread" gnus-summary-refer-thread t]
2550 ["Fetch article with id..." gnus-summary-refer-article t]
2551 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2552 ["Redisplay" gnus-summary-show-article t]
2553 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2555 gnus-summary-article-menu gnus-summary-mode-map ""
2556 (cons "Article" innards))
2558 (if (not (keymapp gnus-summary-article-menu))
2560 gnus-article-commands-menu gnus-article-mode-map ""
2561 (cons "Commands" innards))
2562 ;; in Emacs, don't share menu.
2563 (setq gnus-article-commands-menu
2564 (copy-keymap gnus-summary-article-menu))
2565 (define-key gnus-article-mode-map [menu-bar commands]
2566 (cons "Commands" gnus-article-commands-menu))))
2569 gnus-summary-thread-menu gnus-summary-mode-map ""
2571 ["Find all messages in thread" gnus-summary-refer-thread t]
2572 ["Toggle threading" gnus-summary-toggle-threads t]
2573 ["Hide threads" gnus-summary-hide-all-threads t]
2574 ["Show threads" gnus-summary-show-all-threads t]
2575 ["Hide thread" gnus-summary-hide-thread t]
2576 ["Show thread" gnus-summary-show-thread t]
2577 ["Go to next thread" gnus-summary-next-thread t]
2578 ["Go to previous thread" gnus-summary-prev-thread t]
2579 ["Go down thread" gnus-summary-down-thread t]
2580 ["Go up thread" gnus-summary-up-thread t]
2581 ["Top of thread" gnus-summary-top-thread t]
2582 ["Mark thread as read" gnus-summary-kill-thread t]
2583 ["Mark thread as expired" gnus-summary-expire-thread t]
2584 ["Lower thread score" gnus-summary-lower-thread t]
2585 ["Raise thread score" gnus-summary-raise-thread t]
2586 ["Rethread current" gnus-summary-rethread-current t]))
2589 gnus-summary-post-menu gnus-summary-mode-map ""
2591 ["Send a message (mail or news)" gnus-summary-post-news
2592 ,@(if (featurep 'xemacs) '(t)
2593 '(:help "Compose a new message (mail or news)"))]
2594 ["Followup" gnus-summary-followup
2595 ,@(if (featurep 'xemacs) '(t)
2596 '(:help "Post followup to this article"))]
2597 ["Followup and yank" gnus-summary-followup-with-original
2598 ,@(if (featurep 'xemacs) '(t)
2599 '(:help "Post followup to this article, quoting its contents"))]
2600 ["Supersede article" gnus-summary-supersede-article t]
2601 ["Cancel article" gnus-summary-cancel-article
2602 ,@(if (featurep 'xemacs) '(t)
2603 '(:help "Cancel an article you posted"))]
2604 ["Reply" gnus-summary-reply t]
2605 ["Reply and yank" gnus-summary-reply-with-original t]
2606 ["Wide reply" gnus-summary-wide-reply t]
2607 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2608 ,@(if (featurep 'xemacs) '(t)
2609 '(:help "Mail a reply, quoting this article"))]
2610 ["Very wide reply" gnus-summary-very-wide-reply t]
2611 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2612 ,@(if (featurep 'xemacs) '(t)
2613 '(:help "Mail a very wide reply, quoting this article"))]
2614 ["Mail forward" gnus-summary-mail-forward t]
2615 ["Post forward" gnus-summary-post-forward t]
2616 ["Digest and mail" gnus-uu-digest-mail-forward t]
2617 ["Digest and post" gnus-uu-digest-post-forward t]
2618 ["Resend message" gnus-summary-resend-message t]
2619 ["Resend message edit" gnus-summary-resend-message-edit t]
2620 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2621 ["Send a mail" gnus-summary-mail-other-window t]
2622 ["Create a local message" gnus-summary-news-other-window t]
2623 ["Uuencode and post" gnus-uu-post-news
2624 ,@(if (featurep 'xemacs) '(t)
2625 '(:help "Post a uuencoded article"))]
2626 ["Followup via news" gnus-summary-followup-to-mail t]
2627 ["Followup via news and yank"
2628 gnus-summary-followup-to-mail-with-original t]
2629 ["Strip signature on reply"
2632 (if (not (memq message-cite-function
2633 '(message-cite-original-without-signature
2634 message-cite-original)))
2635 ;; Stupid workaround for XEmacs not honoring :visible.
2636 (message "Can't toggle this value of `message-cite-function'")
2637 (setq message-cite-function
2638 (if (eq message-cite-function
2639 'message-cite-original-without-signature)
2640 'message-cite-original
2641 'message-cite-original-without-signature))))
2642 ;; XEmacs barfs on :visible.
2643 ,@(if (featurep 'xemacs) nil
2644 '(:visible (memq message-cite-function
2645 '(message-cite-original-without-signature
2646 message-cite-original))))
2648 :selected (eq message-cite-function
2649 'message-cite-original-without-signature)
2650 ,@(if (featurep 'xemacs) nil
2651 '(:help "Strip signature from cited article when replying."))]
2653 ;;["Send" gnus-summary-send-draft t]
2654 ;;["Send bounced" gnus-resend-bounced-mail t])
2658 ((not (keymapp gnus-summary-post-menu))
2659 (setq gnus-article-post-menu gnus-summary-post-menu))
2660 ((not gnus-article-post-menu)
2661 ;; Don't share post menu.
2662 (setq gnus-article-post-menu
2663 (copy-keymap gnus-summary-post-menu))))
2664 (define-key gnus-article-mode-map [menu-bar post]
2665 (cons "Post" gnus-article-post-menu))
2668 gnus-summary-misc-menu gnus-summary-mode-map ""
2671 ["Mark as read" gnus-summary-mark-as-read-forward t]
2672 ["Mark same subject and select"
2673 gnus-summary-kill-same-subject-and-select t]
2674 ["Mark same subject" gnus-summary-kill-same-subject t]
2675 ["Catchup" gnus-summary-catchup
2676 ,@(if (featurep 'xemacs) '(t)
2677 '(:help "Mark unread articles in this group as read"))]
2678 ["Catchup all" gnus-summary-catchup-all t]
2679 ["Catchup to here" gnus-summary-catchup-to-here t]
2680 ["Catchup from here" gnus-summary-catchup-from-here t]
2681 ["Catchup region" gnus-summary-mark-region-as-read
2682 (gnus-mark-active-p)]
2683 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2685 ["Tick" gnus-summary-tick-article-forward t]
2686 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2687 ["Remove marks" gnus-summary-clear-mark-forward t]
2688 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2689 ["Set bookmark" gnus-summary-set-bookmark t]
2690 ["Remove bookmark" gnus-summary-remove-bookmark t])
2692 ["Marks..." gnus-summary-limit-to-marks t]
2693 ["Subject..." gnus-summary-limit-to-subject t]
2694 ["Author..." gnus-summary-limit-to-author t]
2695 ["Recipient..." gnus-summary-limit-to-recipient t]
2696 ["Address..." gnus-summary-limit-to-address t]
2697 ["Age..." gnus-summary-limit-to-age t]
2698 ["Extra..." gnus-summary-limit-to-extra t]
2699 ["Score..." gnus-summary-limit-to-score t]
2700 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2701 ["Unread" gnus-summary-limit-to-unread t]
2702 ["Unseen" gnus-summary-limit-to-unseen t]
2703 ["Singletons" gnus-summary-limit-to-singletons t]
2704 ["Replied" gnus-summary-limit-to-replied t]
2705 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2706 ["Next or process marked articles" gnus-summary-limit-to-articles t]
2707 ["Pop limit" gnus-summary-pop-limit t]
2708 ["Show dormant" gnus-summary-limit-include-dormant t]
2709 ["Hide childless dormant"
2710 gnus-summary-limit-exclude-childless-dormant t]
2711 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2712 ["Hide marked" gnus-summary-limit-exclude-marks t]
2713 ["Show expunged" gnus-summary-limit-include-expunged t])
2715 ["Set mark" gnus-summary-mark-as-processable t]
2716 ["Remove mark" gnus-summary-unmark-as-processable t]
2717 ["Remove all marks" gnus-summary-unmark-all-processable t]
2718 ["Invert marks" gnus-uu-invert-processable t]
2719 ["Mark above" gnus-uu-mark-over t]
2720 ["Mark series" gnus-uu-mark-series t]
2721 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2722 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2723 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2724 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2725 ["Mark all" gnus-uu-mark-all t]
2726 ["Mark buffer" gnus-uu-mark-buffer t]
2727 ["Mark sparse" gnus-uu-mark-sparse t]
2728 ["Mark thread" gnus-uu-mark-thread t]
2729 ["Unmark thread" gnus-uu-unmark-thread t]
2730 ("Process Mark Sets"
2731 ["Kill" gnus-summary-kill-process-mark t]
2732 ["Yank" gnus-summary-yank-process-mark
2733 gnus-newsgroup-process-stack]
2734 ["Save" gnus-summary-save-process-mark t]
2735 ["Run command on marked..." gnus-summary-universal-argument t]))
2738 ["Page forward" gnus-summary-next-page
2739 ,@(if (featurep 'xemacs) '(t)
2740 '(:help "Show next page of article"))]
2741 ["Page backward" gnus-summary-prev-page
2742 ,@(if (featurep 'xemacs) '(t)
2743 '(:help "Show previous page of article"))]
2744 ["Line forward" gnus-summary-scroll-up t])
2746 ["Next unread article" gnus-summary-next-unread-article t]
2747 ["Previous unread article" gnus-summary-prev-unread-article t]
2748 ["Next article" gnus-summary-next-article t]
2749 ["Previous article" gnus-summary-prev-article t]
2750 ["Next unread subject" gnus-summary-next-unread-subject t]
2751 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2752 ["Next article same subject" gnus-summary-next-same-subject t]
2753 ["Previous article same subject" gnus-summary-prev-same-subject t]
2754 ["First unread article" gnus-summary-first-unread-article t]
2755 ["Best unread article" gnus-summary-best-unread-article t]
2756 ["Go to subject number..." gnus-summary-goto-subject t]
2757 ["Go to article number..." gnus-summary-goto-article t]
2758 ["Go to the last article" gnus-summary-goto-last-article t]
2759 ["Pop article off history" gnus-summary-pop-article t])
2761 ["Sort by number" gnus-summary-sort-by-number t]
2762 ["Sort by most recent number" gnus-summary-sort-by-most-recent-number t]
2763 ["Sort by author" gnus-summary-sort-by-author t]
2764 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2765 ["Sort by subject" gnus-summary-sort-by-subject t]
2766 ["Sort by date" gnus-summary-sort-by-date t]
2767 ["Sort by most recent date" gnus-summary-sort-by-most-recent-date t]
2768 ["Sort by score" gnus-summary-sort-by-score t]
2769 ["Sort by lines" gnus-summary-sort-by-lines t]
2770 ["Sort by characters" gnus-summary-sort-by-chars t]
2771 ["Randomize" gnus-summary-sort-by-random t]
2772 ["Original sort" gnus-summary-sort-by-original t])
2774 ["Describe group" gnus-summary-describe-group t]
2775 ["Read manual" gnus-info-find-node t])
2777 ["Pick and read" gnus-pick-mode t]
2778 ["Binary" gnus-binary-mode t])
2780 ["Regenerate" gnus-summary-prepare t]
2781 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2782 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2783 ["Insert ticked articles" gnus-summary-insert-ticked-articles t]
2784 ["Toggle threading" gnus-summary-toggle-threads t])
2785 ["See old articles" gnus-summary-insert-old-articles t]
2786 ["See new articles" gnus-summary-insert-new-articles t]
2787 ["Filter articles..." gnus-summary-execute-command t]
2788 ["Run command on articles..." gnus-summary-universal-argument t]
2789 ["Search articles forward..." gnus-summary-search-article-forward t]
2790 ["Search articles backward..." gnus-summary-search-article-backward t]
2791 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2792 ["Expand window" gnus-summary-expand-window t]
2793 ["Expire expirable articles" gnus-summary-expire-articles
2794 (gnus-check-backend-function
2795 'request-expire-articles gnus-newsgroup-name)]
2796 ["Edit local kill file" gnus-summary-edit-local-kill t]
2797 ["Edit main kill file" gnus-summary-edit-global-kill t]
2798 ["Edit group parameters" gnus-summary-edit-parameters t]
2799 ["Customize group parameters" gnus-summary-customize-parameters t]
2800 ["Send a bug report" gnus-bug t]
2802 ["Catchup and exit" gnus-summary-catchup-and-exit
2803 ,@(if (featurep 'xemacs) '(t)
2804 '(:help "Mark unread articles in this group as read, then exit"))]
2805 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2806 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2807 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2808 ["Exit group" gnus-summary-exit
2809 ,@(if (featurep 'xemacs) '(t)
2810 '(:help "Exit current group, return to group selection mode"))]
2811 ["Exit group without updating" gnus-summary-exit-no-update t]
2812 ["Exit and goto next group" gnus-summary-next-group t]
2813 ["Exit and goto prev group" gnus-summary-prev-group t]
2814 ["Reselect group" gnus-summary-reselect-current-group t]
2815 ["Rescan group" gnus-summary-rescan-group t]
2816 ["Update dribble" gnus-summary-save-newsrc t])))
2818 (gnus-run-hooks 'gnus-summary-menu-hook)))
2820 (defvar gnus-summary-tool-bar-map nil)
2822 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2823 ;; affect _new_ message buffers. We might add a function that walks thru all
2824 ;; summary-mode buffers and force the update.
2825 (defun gnus-summary-tool-bar-update (&optional symbol value)
2826 "Update summary mode toolbar.
2827 Setter function for custom variables."
2828 (setq-default gnus-summary-tool-bar-map nil)
2830 ;; When used as ":set" function:
2831 (set-default symbol value))
2832 (when (gnus-buffer-live-p gnus-summary-buffer)
2833 (with-current-buffer gnus-summary-buffer
2834 (gnus-summary-make-tool-bar))))
2836 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2837 'gnus-summary-tool-bar-gnome
2838 'gnus-summary-tool-bar-retro)
2839 "Specifies the Gnus summary tool bar.
2841 It can be either a list or a symbol refering to a list. See
2842 `gmm-tool-bar-from-list' for the format of the list. The
2843 default key map is `gnus-summary-mode-map'.
2845 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2846 `gnus-summary-tool-bar-retro'."
2847 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2848 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2849 (repeat :tag "User defined list" gmm-tool-bar-item)
2851 :version "23.1" ;; No Gnus
2852 :initialize 'custom-initialize-default
2853 :set 'gnus-summary-tool-bar-update
2854 :group 'gnus-summary)
2856 (defcustom gnus-summary-tool-bar-gnome
2857 '((gnus-summary-post-news "mail/compose" nil)
2858 (gnus-summary-insert-new-articles "mail/inbox" nil
2859 :visible (or (not gnus-agent)
2861 (gnus-summary-reply-with-original "mail/reply")
2862 (gnus-summary-reply "mail/reply" nil :visible nil)
2863 (gnus-summary-followup-with-original "mail/reply-all")
2864 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2865 (gnus-summary-mail-forward "mail/forward")
2866 (gnus-summary-save-article "mail/save")
2867 (gnus-summary-search-article-forward "search" nil :visible nil)
2868 (gnus-summary-print-article "print")
2869 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2870 ;; Some new commands that may need more suitable icons:
2871 (gnus-summary-save-newsrc "save" nil :visible nil)
2872 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2873 (gnus-summary-prev-article "left-arrow")
2874 (gnus-summary-next-article "right-arrow")
2875 (gnus-summary-next-page "next-page")
2876 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2878 ;; Maybe some sort-by-... could be added:
2879 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2880 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2881 (gnus-summary-mark-as-expirable
2883 :visible (gnus-check-backend-function 'request-expire-articles
2884 gnus-newsgroup-name))
2885 (gnus-summary-mark-as-spam
2887 :visible (and (fboundp 'spam-group-ham-contents-p)
2888 (spam-group-ham-contents-p gnus-newsgroup-name))
2889 :help "Mark as spam")
2890 (gnus-summary-mark-as-read-forward
2892 :visible (and (fboundp 'spam-group-spam-contents-p)
2893 (spam-group-spam-contents-p gnus-newsgroup-name)))
2895 (gnus-summary-exit "exit")
2896 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2897 (gnus-info-find-node "help"))
2898 "List of functions for the summary tool bar (GNOME style).
2900 See `gmm-tool-bar-from-list' for the format of the list."
2901 :type '(repeat gmm-tool-bar-item)
2902 :version "23.1" ;; No Gnus
2903 :initialize 'custom-initialize-default
2904 :set 'gnus-summary-tool-bar-update
2905 :group 'gnus-summary)
2907 (defcustom gnus-summary-tool-bar-retro
2908 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2909 (gnus-summary-next-unread-article "gnus/next-ur")
2910 (gnus-summary-post-news "gnus/post")
2911 (gnus-summary-followup-with-original "gnus/fuwo")
2912 (gnus-summary-followup "gnus/followup")
2913 (gnus-summary-reply-with-original "gnus/reply-wo")
2914 (gnus-summary-reply "gnus/reply")
2915 (gnus-summary-caesar-message "gnus/rot13")
2916 (gnus-uu-decode-uu "gnus/uu-decode")
2917 (gnus-summary-save-article-file "gnus/save-aif")
2918 (gnus-summary-save-article "gnus/save-art")
2919 (gnus-uu-post-news "gnus/uu-post")
2920 (gnus-summary-catchup "gnus/catchup")
2921 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2922 (gnus-summary-exit "gnus/exit-summ")
2923 ;; Some new command that may need more suitable icons:
2924 (gnus-summary-print-article "gnus/print" nil :visible nil)
2925 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2926 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2927 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2928 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2929 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2930 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2932 (gnus-info-find-node "gnus/help" nil :visible nil))
2933 "List of functions for the summary tool bar (retro look).
2935 See `gmm-tool-bar-from-list' for the format of the list."
2936 :type '(repeat gmm-tool-bar-item)
2937 :version "23.1" ;; No Gnus
2938 :initialize 'custom-initialize-default
2939 :set 'gnus-summary-tool-bar-update
2940 :group 'gnus-summary)
2942 (defcustom gnus-summary-tool-bar-zap-list t
2943 "List of icon items from the global tool bar.
2944 These items are not displayed in the Gnus summary mode tool bar.
2946 See `gmm-tool-bar-from-list' for the format of the list."
2947 :type 'gmm-tool-bar-zap-list
2948 :version "23.1" ;; No Gnus
2949 :initialize 'custom-initialize-default
2950 :set 'gnus-summary-tool-bar-update
2951 :group 'gnus-summary)
2953 (defvar image-load-path)
2954 (defvar tool-bar-map)
2956 (defun gnus-summary-make-tool-bar (&optional force)
2957 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2958 When FORCE, rebuild the tool bar."
2959 (when (and (not (featurep 'xemacs))
2960 (boundp 'tool-bar-mode)
2962 (or (not gnus-summary-tool-bar-map) force))
2964 (gmm-image-load-path-for-library "gnus"
2967 (image-load-path (cons (car load-path)
2968 (when (boundp 'image-load-path)
2970 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2971 gnus-summary-tool-bar-zap-list
2972 'gnus-summary-mode-map)))
2974 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2976 (setq gnus-summary-tool-bar-map map))))
2977 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
2979 (defun gnus-score-set-default (var value)
2980 "A version of set that updates the GNU Emacs menu-bar."
2982 ;; It is the message that forces the active status to be updated.
2985 (defun gnus-make-score-map (type)
2986 "Make a summary score map of type TYPE."
2989 (let ((headers '(("author" "from" string)
2990 ("subject" "subject" string)
2991 ("article body" "body" string)
2992 ("article head" "head" string)
2993 ("xref" "xref" string)
2994 ("extra header" "extra" string)
2995 ("lines" "lines" number)
2996 ("followups to author" "followup" string)))
2997 (types '((number ("less than" <)
3000 (string ("substring" s)
3004 (perms '(("temporary" (current-time-string))
3012 (if (eq type 'lower)
3017 (setq header (car headers))
3023 (let ((ts (cdr (assoc (nth 2 header) types)))
3039 'gnus-summary-score-entry
3041 (if (or (string= (nth 1 header)
3043 (string= (nth 1 header)
3046 (list 'gnus-summary-header
3048 (list 'quote (nth 1 (car ts)))
3049 (list 'gnus-score-delta-default
3056 (list (nreverse outp))))
3059 (list (nreverse outt))))
3061 (setq headers (cdr headers)))
3062 (list (nreverse outh))))))))
3065 (declare-function turn-on-gnus-mailing-list-mode "gnus-ml" ())
3066 (defvar bookmark-make-record-function)
3069 (defun gnus-summary-mode (&optional group)
3070 "Major mode for reading articles.
3072 All normal editing commands are switched off.
3073 \\<gnus-summary-mode-map>
3074 Each line in this buffer represents one article. To read an
3075 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
3076 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
3079 You can also post articles and send mail from this buffer. To
3080 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
3081 of an article, type `\\[gnus-summary-reply]'.
3083 There are approx. one gazillion commands you can execute in this
3084 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
3086 The following commands are available:
3088 \\{gnus-summary-mode-map}"
3090 (kill-all-local-variables)
3091 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
3092 (gnus-summary-make-local-variables))
3093 (gnus-summary-make-local-variables)
3094 (setq gnus-newsgroup-name group)
3095 (when (gnus-visual-p 'summary-menu 'menu)
3096 (gnus-summary-make-menu-bar)
3097 (gnus-summary-make-tool-bar))
3098 (gnus-make-thread-indent-array)
3099 (gnus-simplify-mode-line)
3100 (setq major-mode 'gnus-summary-mode)
3101 (setq mode-name "Summary")
3102 (use-local-map gnus-summary-mode-map)
3103 (buffer-disable-undo)
3104 (setq buffer-read-only t ;Disable modification
3105 show-trailing-whitespace nil)
3106 (setq truncate-lines t)
3107 (add-to-invisibility-spec '(gnus-sum . t))
3108 (gnus-summary-set-display-table)
3109 (gnus-set-default-directory)
3110 (make-local-variable 'gnus-summary-line-format)
3111 (make-local-variable 'gnus-summary-line-format-spec)
3112 (make-local-variable 'gnus-summary-dummy-line-format)
3113 (make-local-variable 'gnus-summary-dummy-line-format-spec)
3114 (make-local-variable 'gnus-summary-mark-positions)
3115 (gnus-make-local-hook 'pre-command-hook)
3116 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
3117 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
3118 (turn-on-gnus-mailing-list-mode)
3119 (mm-enable-multibyte)
3120 (set (make-local-variable 'bookmark-make-record-function)
3121 'gnus-summary-bookmark-make-record)
3122 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
3123 (gnus-update-summary-mark-positions))
3125 (defun gnus-summary-make-local-variables ()
3126 "Make all the local summary buffer variables."
3128 (dolist (local gnus-summary-local-variables)
3131 (if (eq (cdr local) 'global)
3132 ;; Copy the global value of the variable.
3133 (setq global (symbol-value (car local)))
3134 ;; Use the value from the list.
3135 (setq global (eval (cdr local))))
3136 (set (make-local-variable (car local)) global))
3137 ;; Simple nil-valued local variable.
3138 (set (make-local-variable local) nil)))))
3140 ;; Summary data functions.
3142 (defmacro gnus-data-number (data)
3145 (defmacro gnus-data-set-number (data number)
3146 `(setcar ,data ,number))
3148 (defmacro gnus-data-mark (data)
3151 (defmacro gnus-data-set-mark (data mark)
3152 `(setcar (nthcdr 1 ,data) ,mark))
3154 (defmacro gnus-data-pos (data)
3157 (defmacro gnus-data-set-pos (data pos)
3158 `(setcar (nthcdr 2 ,data) ,pos))
3160 (defmacro gnus-data-header (data)
3163 (defmacro gnus-data-set-header (data header)
3164 `(setf (nth 3 ,data) ,header))
3166 (defmacro gnus-data-level (data)
3169 (defmacro gnus-data-unread-p (data)
3170 `(= (nth 1 ,data) gnus-unread-mark))
3172 (defmacro gnus-data-read-p (data)
3173 `(/= (nth 1 ,data) gnus-unread-mark))
3175 (defmacro gnus-data-pseudo-p (data)
3176 `(consp (nth 3 ,data)))
3178 (defmacro gnus-data-find (number)
3179 `(assq ,number gnus-newsgroup-data))
3181 (defmacro gnus-data-find-list (number &optional data)
3182 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3183 (memq (assq ,number bdata)
3186 (defmacro gnus-data-make (number mark pos header level)
3187 `(list ,number ,mark ,pos ,header ,level))
3189 (defun gnus-data-enter (after-article number mark pos header level offset)
3190 (let ((data (gnus-data-find-list after-article)))
3192 (error "No such article: %d" after-article))
3193 (setcdr data (cons (gnus-data-make number mark pos header level)
3195 (setq gnus-newsgroup-data-reverse nil)
3196 (gnus-data-update-list (cddr data) offset)))
3198 (defun gnus-data-enter-list (after-article list &optional offset)
3200 (let ((data (and after-article (gnus-data-find-list after-article)))
3204 (let ((odata gnus-newsgroup-data))
3205 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3207 (gnus-data-update-list odata offset)))
3208 ;; Find the last element in the list to be spliced into the main
3210 (setq list (last list))
3213 (setcdr list gnus-newsgroup-data)
3214 (setq gnus-newsgroup-data ilist)
3216 (gnus-data-update-list (cdr list) offset)))
3217 (setcdr list (cdr data))
3220 (gnus-data-update-list (cdr list) offset))))
3221 (setq gnus-newsgroup-data-reverse nil))))
3223 (defun gnus-data-remove (article &optional offset)
3224 (let ((data gnus-newsgroup-data))
3225 (if (= (gnus-data-number (car data)) article)
3227 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3228 gnus-newsgroup-data-reverse nil)
3230 (gnus-data-update-list gnus-newsgroup-data offset)))
3232 (when (= (gnus-data-number (cadr data)) article)
3233 (setcdr data (cddr data))
3235 (gnus-data-update-list (cdr data) offset))
3237 gnus-newsgroup-data-reverse nil))
3238 (setq data (cdr data))))))
3240 (defmacro gnus-data-list (backward)
3242 (or gnus-newsgroup-data-reverse
3243 (setq gnus-newsgroup-data-reverse
3244 (reverse gnus-newsgroup-data)))
3245 gnus-newsgroup-data))
3247 (defun gnus-data-update-list (data offset)
3248 "Add OFFSET to the POS of all data entries in DATA."
3249 (setq gnus-newsgroup-data-reverse nil)
3251 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3252 (setq data (cdr data))))
3254 (defun gnus-summary-article-pseudo-p (article)
3255 "Say whether this article is a pseudo article or not."
3256 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3258 (defmacro gnus-summary-article-sparse-p (article)
3259 "Say whether this article is a sparse article or not."
3260 `(memq ,article gnus-newsgroup-sparse))
3262 (defmacro gnus-summary-article-ancient-p (article)
3263 "Say whether this article is a sparse article or not."
3264 `(memq ,article gnus-newsgroup-ancient))
3266 (defun gnus-article-parent-p (number)
3267 "Say whether this article is a parent or not."
3268 (let ((data (gnus-data-find-list number)))
3269 (and (cdr data) ; There has to be an article after...
3270 (< (gnus-data-level (car data)) ; And it has to have a higher level.
3271 (gnus-data-level (nth 1 data))))))
3273 (defun gnus-article-children (number)
3274 "Return a list of all children to NUMBER."
3275 (let* ((data (gnus-data-find-list number))
3276 (level (gnus-data-level (car data)))
3278 (setq data (cdr data))
3280 (= (gnus-data-level (car data)) (1+ level)))
3281 (push (gnus-data-number (car data)) children)
3282 (setq data (cdr data)))
3285 (defmacro gnus-summary-skip-intangible ()
3286 "If the current article is intangible, then jump to a different article."
3287 '(let ((to (get-text-property (point) 'gnus-intangible)))
3288 (and to (gnus-summary-goto-subject to))))
3290 (defmacro gnus-summary-article-intangible-p ()
3291 "Say whether this article is intangible or not."
3292 '(get-text-property (point) 'gnus-intangible))
3294 (defun gnus-article-read-p (article)
3295 "Say whether ARTICLE is read or not."
3296 (not (or (memq article gnus-newsgroup-marked)
3297 (memq article gnus-newsgroup-spam-marked)
3298 (memq article gnus-newsgroup-unreads)
3299 (memq article gnus-newsgroup-unselected)
3300 (memq article gnus-newsgroup-dormant))))
3302 ;; Some summary mode macros.
3304 (defmacro gnus-summary-article-number ()
3305 "The article number of the article on the current line.
3306 If there isn't an article number here, then we return the current
3309 (gnus-summary-skip-intangible)
3310 (or (get-text-property (point) 'gnus-number)
3311 (gnus-summary-last-subject))))
3313 (defmacro gnus-summary-article-header (&optional number)
3314 "Return the header of article NUMBER."
3315 `(gnus-data-header (gnus-data-find
3316 ,(or number '(gnus-summary-article-number)))))
3318 (defmacro gnus-summary-thread-level (&optional number)
3319 "Return the level of thread that starts with article NUMBER."
3320 `(if (and (eq gnus-summary-make-false-root 'dummy)
3321 (get-text-property (point) 'gnus-intangible))
3323 (gnus-data-level (gnus-data-find
3324 ,(or number '(gnus-summary-article-number))))))
3326 (defmacro gnus-summary-article-mark (&optional number)
3327 "Return the mark of article NUMBER."
3328 `(gnus-data-mark (gnus-data-find
3329 ,(or number '(gnus-summary-article-number)))))
3331 (defmacro gnus-summary-article-pos (&optional number)
3332 "Return the position of the line of article NUMBER."
3333 `(gnus-data-pos (gnus-data-find
3334 ,(or number '(gnus-summary-article-number)))))
3336 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3337 (defmacro gnus-summary-article-subject (&optional number)
3338 "Return current subject string or nil if nothing."
3341 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3342 '(gnus-data-header (assq (gnus-summary-article-number)
3343 gnus-newsgroup-data)))))
3346 (mail-header-subject headers))))
3348 (defmacro gnus-summary-article-score (&optional number)
3349 "Return current article score."
3350 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3351 gnus-newsgroup-scored))
3352 gnus-summary-default-score 0))
3354 (defun gnus-summary-article-children (&optional number)
3355 "Return a list of article numbers that are children of article NUMBER."
3356 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3357 (level (gnus-data-level (car data)))
3359 (while (and (setq data (cdr data))
3360 (> (setq l (gnus-data-level (car data))) level))
3361 (and (= (1+ level) l)
3362 (push (gnus-data-number (car data))
3364 (nreverse children)))
3366 (defun gnus-summary-article-parent (&optional number)
3367 "Return the article number of the parent of article NUMBER."
3368 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3369 (gnus-data-list t)))
3370 (level (gnus-data-level (car data))))
3372 () ; This is a root.
3373 ;; We search until we find an article with a level less than
3374 ;; this one. That function has to be the parent.
3375 (while (and (setq data (cdr data))
3376 (not (< (gnus-data-level (car data)) level))))
3377 (and data (gnus-data-number (car data))))))
3379 (defun gnus-unread-mark-p (mark)
3380 "Say whether MARK is the unread mark."
3381 (= mark gnus-unread-mark))
3383 (defun gnus-read-mark-p (mark)
3384 "Say whether MARK is one of the marks that mark as read.
3385 This is all marks except unread, ticked, dormant, and expirable."
3386 (not (or (= mark gnus-unread-mark)
3387 (= mark gnus-ticked-mark)
3388 (= mark gnus-spam-mark)
3389 (= mark gnus-dormant-mark)
3390 (= mark gnus-expirable-mark))))
3392 (defmacro gnus-article-mark (number)
3393 "Return the MARK of article NUMBER.
3394 This macro should only be used when computing the mark the \"first\"
3395 time; i.e., when generating the summary lines. After that,
3396 `gnus-summary-article-mark' should be used to examine the
3399 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3400 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3401 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3402 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3403 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3404 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3405 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3406 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3407 gnus-ancient-mark))))
3409 ;; Saving hidden threads.
3411 (defmacro gnus-save-hidden-threads (&rest forms)
3412 "Save hidden threads, eval FORMS, and restore the hidden threads."
3413 (let ((config (make-symbol "config")))
3414 `(let ((,config (gnus-hidden-threads-configuration)))
3418 (gnus-restore-hidden-threads-configuration ,config)))))
3419 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3420 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3422 (defun gnus-data-compute-positions ()
3423 "Compute the positions of all articles."
3424 (setq gnus-newsgroup-data-reverse nil)
3425 (let ((data gnus-newsgroup-data))
3427 (gnus-save-hidden-threads
3428 (gnus-summary-show-all-threads)
3429 (goto-char (point-min))
3431 (while (get-text-property (point) 'gnus-intangible)
3433 (gnus-data-set-pos (car data) (+ (point) 3))
3434 (setq data (cdr data))
3435 (forward-line 1))))))
3437 (defun gnus-hidden-threads-configuration ()
3438 "Return the current hidden threads configuration."
3441 (goto-char (point-min))
3443 (when (eq (get-char-property (point-at-eol) 'invisible) 'gnus-sum)
3444 (push (save-excursion (forward-line 0) (point)) config))
3448 (defun gnus-restore-hidden-threads-configuration (config)
3449 "Restore hidden threads configuration from CONFIG."
3451 (let (point (inhibit-read-only t))
3452 (while (setq point (pop config))
3454 (gnus-summary-hide-thread)))))
3456 ;; Various summary mode internalish functions.
3458 (defun gnus-mouse-pick-article (e)
3461 (gnus-summary-next-page nil t))
3463 (defun gnus-summary-set-display-table ()
3464 "Change the display table.
3465 Odd characters have a tendency to mess
3466 up nicely formatted displays - we make all possible glyphs
3467 display only a single character."
3469 ;; We start from the standard display table, if any.
3470 (let ((table (or (copy-sequence standard-display-table)
3471 (make-display-table)))
3473 ;; Nix out all the control chars...
3474 (while (>= (setq i (1- i)) 0)
3475 (gnus-put-display-table i [??] table))
3476 ;; ... but not newline and cr, of course. (cr is necessary for the
3477 ;; selective display).
3478 (gnus-put-display-table ?\n nil table)
3479 (gnus-put-display-table ?\r nil table)
3480 ;; We keep TAB as well.
3481 (gnus-put-display-table ?\t nil table)
3482 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3483 ;; Emacs 23 (unicode), that are not set already.
3484 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3487 (while (>= (setq i (1- i)) 127)
3488 ;; Only modify if the entry is nil.
3489 (unless (gnus-get-display-table i table)
3490 (gnus-put-display-table i [??] table))))
3491 (setq buffer-display-table table)))
3493 (defun gnus-summary-set-article-display-arrow (pos)
3494 "Update the overlay arrow to point to line at position POS."
3495 (when gnus-summary-display-arrow
3496 (make-local-variable 'overlay-arrow-position)
3497 (make-local-variable 'overlay-arrow-string)
3501 (unless overlay-arrow-position
3502 (setq overlay-arrow-position (make-marker)))
3503 (setq overlay-arrow-string "=>"
3504 overlay-arrow-position (set-marker overlay-arrow-position
3506 (current-buffer))))))
3508 (defun gnus-summary-setup-buffer (group)
3509 "Initialize summary buffer."
3510 (let ((buffer (gnus-summary-buffer-name group))
3511 (dead-name (concat "*Dead Summary "
3512 (gnus-group-decoded-name group) "*")))
3513 ;; If a dead summary buffer exists, we kill it.
3514 (when (gnus-buffer-live-p dead-name)
3515 (gnus-kill-buffer dead-name))
3516 (if (get-buffer buffer)
3519 (setq gnus-summary-buffer (current-buffer))
3520 (not gnus-newsgroup-prepared))
3521 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3522 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3523 (gnus-summary-mode group)
3524 (when (gnus-group-quit-config group)
3525 (set (make-local-variable 'gnus-single-article-buffer) nil))
3526 (make-local-variable 'gnus-article-buffer)
3527 (make-local-variable 'gnus-article-current)
3528 (make-local-variable 'gnus-original-article-buffer)
3529 (setq gnus-newsgroup-name group)
3530 ;; Set any local variables in the group parameters.
3531 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3534 (defun gnus-set-global-variables ()
3535 "Set the global equivalents of the buffer-local variables.
3536 They are set to the latest values they had. These reflect the summary
3537 buffer that was in action when the last article was fetched."
3538 (when (eq major-mode 'gnus-summary-mode)
3539 (setq gnus-summary-buffer (current-buffer))
3540 (let ((name gnus-newsgroup-name)
3541 (marked gnus-newsgroup-marked)
3542 (spam gnus-newsgroup-spam-marked)
3543 (unread gnus-newsgroup-unreads)
3544 (headers gnus-current-headers)
3545 (data gnus-newsgroup-data)
3546 (summary gnus-summary-buffer)
3547 (article-buffer gnus-article-buffer)
3548 (original gnus-original-article-buffer)
3549 (gac gnus-article-current)
3550 (reffed gnus-reffed-article-number)
3551 (score-file gnus-current-score-file)
3552 (default-charset gnus-newsgroup-charset)
3554 (let ((locals gnus-newsgroup-variables))
3556 (if (consp (car locals))
3557 (push (eval (caar locals)) vlist)
3558 (push (eval (car locals)) vlist))
3559 (setq locals (cdr locals)))
3560 (setq vlist (nreverse vlist)))
3561 (with-current-buffer gnus-group-buffer
3562 (setq gnus-newsgroup-name name
3563 gnus-newsgroup-marked marked
3564 gnus-newsgroup-spam-marked spam
3565 gnus-newsgroup-unreads unread
3566 gnus-current-headers headers
3567 gnus-newsgroup-data data
3568 gnus-article-current gac
3569 gnus-summary-buffer summary
3570 gnus-article-buffer article-buffer
3571 gnus-original-article-buffer original
3572 gnus-reffed-article-number reffed
3573 gnus-current-score-file score-file
3574 gnus-newsgroup-charset default-charset)
3575 (let ((locals gnus-newsgroup-variables))
3577 (if (consp (car locals))
3578 (set (caar locals) (pop vlist))
3579 (set (car locals) (pop vlist)))
3580 (setq locals (cdr locals))))
3581 ;; The article buffer also has local variables.
3582 (when (gnus-buffer-live-p gnus-article-buffer)
3583 (set-buffer gnus-article-buffer)
3584 (setq gnus-summary-buffer summary))))))
3586 (defun gnus-summary-article-unread-p (article)
3587 "Say whether ARTICLE is unread or not."
3588 (memq article gnus-newsgroup-unreads))
3590 (defun gnus-summary-first-article-p (&optional article)
3591 "Return whether ARTICLE is the first article in the buffer."
3592 (if (not (setq article (or article (gnus-summary-article-number))))
3594 (eq article (caar gnus-newsgroup-data))))
3596 (defun gnus-summary-last-article-p (&optional article)
3597 "Return whether ARTICLE is the last article in the buffer."
3598 (if (not (setq article (or article (gnus-summary-article-number))))
3599 ;; All non-existent numbers are the last article. :-)
3601 (not (cdr (gnus-data-find-list article)))))
3603 (defun gnus-make-thread-indent-array (&optional n)
3605 (progn (setq n 200) nil)
3606 (null gnus-thread-indent-array)
3607 (/= gnus-thread-indent-level gnus-thread-indent-array-level))
3608 (setq gnus-thread-indent-array (make-vector (1+ n) "")
3609 gnus-thread-indent-array-level gnus-thread-indent-level)
3611 (aset gnus-thread-indent-array n
3612 (make-string (* n gnus-thread-indent-level) ? ))
3615 (defun gnus-update-summary-mark-positions ()
3616 "Compute where the summary marks are to go."
3618 (when (gnus-buffer-exists-p gnus-summary-buffer)
3619 (set-buffer gnus-summary-buffer))
3620 (let ((spec gnus-summary-line-format-spec)
3623 (gnus-set-work-buffer)
3624 (let ((gnus-tmp-unread ?Z)
3625 (gnus-replied-mark ?Z)
3626 (gnus-score-below-mark ?Z)
3627 (gnus-score-over-mark ?Z)
3628 (gnus-undownloaded-mark ?Z)
3629 (gnus-summary-line-format-spec spec)
3630 (gnus-newsgroup-downloadable '(0))
3631 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3632 case-fold-search ignores)
3633 ;; Here, all marks are bound to Z.
3634 (gnus-summary-insert-line header
3635 0 nil t gnus-tmp-unread t nil "" nil 1)
3636 (goto-char (point-min))
3637 ;; Memorize the positions of the same characters as dummy marks.
3638 (while (re-search-forward "[A-D]" nil t)
3639 (push (point) ignores))
3641 ;; We use A-D as dummy marks in order to know column positions
3642 ;; where marks should be inserted.
3643 (setq gnus-tmp-unread ?A
3644 gnus-replied-mark ?B
3645 gnus-score-below-mark ?C
3646 gnus-score-over-mark ?C
3647 gnus-undownloaded-mark ?D)
3648 (gnus-summary-insert-line header
3649 0 nil t gnus-tmp-unread t nil "" nil 1)
3650 ;; Ignore characters which aren't dummy marks.
3652 (delete-region (goto-char (1- p)) p)
3654 (goto-char (point-min))
3655 (setq pos (list (cons 'unread
3656 (and (search-forward "A" nil t)
3657 (- (point) (point-min) 1)))))
3658 (goto-char (point-min))
3659 (push (cons 'replied (and (search-forward "B" nil t)
3660 (- (point) (point-min) 1)))
3662 (goto-char (point-min))
3663 (push (cons 'score (and (search-forward "C" nil t)
3664 (- (point) (point-min) 1)))
3666 (goto-char (point-min))
3667 (push (cons 'download (and (search-forward "D" nil t)
3668 (- (point) (point-min) 1)))
3670 (setq gnus-summary-mark-positions pos))))
3672 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3673 "Insert a dummy root in the summary buffer."
3675 (gnus-add-text-properties
3676 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3677 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3679 (defun gnus-summary-extract-address-component (from)
3680 (or (car (funcall gnus-extract-address-components from))
3683 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3684 (let ((mail-parse-charset gnus-newsgroup-charset)
3685 (ignored-from-addresses (gnus-ignored-from-addresses))
3686 ; Is it really necessary to do this next part for each summary line?
3687 ; Luckily, doesn't seem to slow things down much.
3688 (mail-parse-ignored-charsets
3689 (with-current-buffer gnus-summary-buffer
3690 gnus-newsgroup-ignored-charsets)))
3692 (and ignored-from-addresses
3693 (string-match ignored-from-addresses gnus-tmp-from)
3694 (let ((extra-headers (mail-header-extra header))
3698 ((setq to (cdr (assq 'To extra-headers)))
3699 (concat gnus-summary-to-prefix
3701 (gnus-summary-extract-address-component
3702 (funcall gnus-decode-encoded-address-function to)))))
3705 (cdr (assq 'Newsgroups extra-headers))
3707 (memq 'Newsgroups gnus-extra-headers)
3708 (eq (car (gnus-find-method-for-group
3709 gnus-newsgroup-name)) 'nntp)
3710 (gnus-group-real-name gnus-newsgroup-name))))
3711 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3712 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3714 (defun gnus-summary-insert-line (gnus-tmp-header
3715 gnus-tmp-level gnus-tmp-current
3716 undownloaded gnus-tmp-unread gnus-tmp-replied
3717 gnus-tmp-expirable gnus-tmp-subject-or-nil
3718 &optional gnus-tmp-dummy gnus-tmp-score
3720 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
3721 (gnus-make-thread-indent-array (max (* 2 (length gnus-thread-indent-array))
3723 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3724 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3725 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3726 (gnus-tmp-score-char
3727 (if (or (null gnus-summary-default-score)
3728 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3729 gnus-summary-zcore-fuzz))
3731 (if (< gnus-tmp-score gnus-summary-default-score)
3732 gnus-score-below-mark gnus-score-over-mark)))
3733 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3735 (cond (gnus-tmp-process gnus-process-mark)
3736 ((memq gnus-tmp-current gnus-newsgroup-cached)
3738 (gnus-tmp-replied gnus-replied-mark)
3739 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3740 gnus-forwarded-mark)
3741 ((memq gnus-tmp-current gnus-newsgroup-saved)
3743 ((memq gnus-tmp-number gnus-newsgroup-recent)
3745 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3748 (gnus-tmp-downloaded
3750 gnus-undownloaded-mark)
3751 (gnus-newsgroup-agentized
3752 gnus-downloaded-mark)
3755 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3758 ((string-match "<[^>]+> *$" gnus-tmp-from)
3759 (let ((beg (match-beginning 0)))
3760 (or (and (string-match "^\".+\"" gnus-tmp-from)
3761 (substring gnus-tmp-from 1 (1- (match-end 0))))
3762 (substring gnus-tmp-from 0 beg))))
3763 ((string-match "(.+)" gnus-tmp-from)
3764 (substring gnus-tmp-from
3765 (1+ (match-beginning 0)) (1- (match-end 0))))
3767 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3768 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3769 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3770 (inhibit-read-only t))
3771 (when (string= gnus-tmp-name "")
3772 (setq gnus-tmp-name gnus-tmp-from))
3773 (unless (numberp gnus-tmp-lines)
3774 (setq gnus-tmp-lines -1))
3775 (if (= gnus-tmp-lines -1)
3776 (setq gnus-tmp-lines "?")
3777 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3779 (gnus-put-text-property
3781 (progn (eval gnus-summary-line-format-spec) (point))
3782 'gnus-number gnus-tmp-number)
3783 (error (gnus-message 5 "Error updating the summary line")))
3784 (when (gnus-visual-p 'summary-highlight 'highlight)
3786 (gnus-summary-highlight-line)
3787 (gnus-run-hooks 'gnus-summary-update-hook)
3790 (defun gnus-summary-update-line (&optional dont-update)
3791 "Update summary line after change."
3792 (when (and gnus-summary-default-score
3793 (not gnus-summary-inhibit-highlight))
3794 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3795 (article (gnus-summary-article-number))
3796 (score (gnus-summary-article-score article)))
3798 (if (and gnus-summary-mark-below
3799 (< (gnus-summary-article-score)
3800 gnus-summary-mark-below))
3801 ;; This article has a low score, so we mark it as read.
3802 (when (memq article gnus-newsgroup-unreads)
3803 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3804 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3805 ;; This article was previously marked as read on account
3806 ;; of a low score, but now it has risen, so we mark it as
3808 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3809 (gnus-summary-update-mark
3810 (if (or (null gnus-summary-default-score)
3811 (<= (abs (- score gnus-summary-default-score))
3812 gnus-summary-zcore-fuzz))
3814 (if (< score gnus-summary-default-score)
3815 gnus-score-below-mark gnus-score-over-mark))
3817 ;; Do visual highlighting.
3818 (when (gnus-visual-p 'summary-highlight 'highlight)
3819 (gnus-summary-highlight-line)
3820 (gnus-run-hooks 'gnus-summary-update-hook)))))
3822 (defvar gnus-tmp-new-adopts nil)
3824 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3825 "Return the number of articles in THREAD.
3826 This may be 0 in some cases -- if none of the articles in
3827 the thread are to be displayed."
3829 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3831 ((not (listp thread))
3833 ((and (consp thread) (cdr thread))
3836 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3839 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3842 (when (and level (zerop level) gnus-tmp-new-adopts)
3845 'gnus-summary-number-of-articles-in-thread
3846 gnus-tmp-new-adopts))))
3848 (if (> number 1) gnus-not-empty-thread-mark
3849 gnus-empty-thread-mark)
3852 (defsubst gnus-summary-line-message-size (head)
3853 "Return pretty-printed version of message size.
3854 This function is intended to be used in
3855 `gnus-summary-line-format-alist'."
3856 (let ((c (or (mail-header-chars head) -1)))
3857 (cond ((< c 0) "n/a") ; chars not available
3858 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3859 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3860 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3861 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3863 (defcustom gnus-user-date-format-alist
3864 '(((gnus-seconds-today) . "Today, %H:%M")
3865 ((+ 86400 (gnus-seconds-today)) . "Yesterday, %H:%M")
3866 (604800 . "%A %H:%M") ; That's one week
3867 ((gnus-seconds-month) . "%A %d")
3868 ((gnus-seconds-year) . "%B %d")
3869 (t . "%b %d %Y")) ; This one is used when no other
3871 "Specifies date format depending on age of article.
3872 This is an alist of items (AGE . FORMAT). AGE can be a number (of
3873 seconds) or a Lisp expression evaluating to a number. When the age of
3874 the article is less than this number, then use `format-time-string'
3875 with the corresponding FORMAT for displaying the date of the article.
3876 If AGE is not a number or a Lisp expression evaluating to a
3877 non-number, then the corresponding FORMAT is used as a default value.
3879 Note that the list is processed from the beginning, so it should be
3880 sorted by ascending AGE. Also note that items following the first
3881 non-number AGE will be ignored.
3883 You can use the functions `gnus-seconds-today', `gnus-seconds-month'
3884 and `gnus-seconds-year' in the AGE spec. They return the number of
3885 seconds passed since the start of today, of this month, of this year,
3888 :group 'gnus-summary-format
3889 :type '(alist :key-type sexp :value-type string))
3891 (defun gnus-user-date (messy-date)
3892 "Format the messy-date according to `gnus-user-date-format-alist'.
3893 Returns \" ? \" if there's bad input or if another error occurs.
3894 Input should look like this: \"Sun, 14 Oct 2001 13:34:39 +0200\"."
3896 (let* ((messy-date (gnus-float-time (gnus-date-get-time messy-date)))
3897 (now (gnus-float-time))
3898 ;;If we don't find something suitable we'll use this one
3899 (my-format "%b %d '%y"))
3900 (let* ((difference (- now messy-date))
3901 (templist gnus-user-date-format-alist)
3902 (top (eval (caar templist))))
3903 (while (if (numberp top) (< top difference) (not top))
3905 (setq templist (cdr templist))
3906 (setq top (eval (caar templist)))))
3907 (if (stringp (cdr (car templist)))
3908 (setq my-format (cdr (car templist)))))
3909 (format-time-string (eval my-format) (seconds-to-time messy-date)))
3912 (defun gnus-summary-set-local-parameters (group)
3913 "Go through the local params of GROUP and set all variable specs in that list."
3914 (let ((vars '(quit-config active))) ; Ignore things that aren't
3916 (dolist (elem (gnus-group-find-parameter group))
3917 (and (consp elem) ; Has to be a cons.
3918 (consp (cdr elem)) ; The cdr has to be a list.
3919 (symbolp (car elem)) ; Has to be a symbol in there.
3920 (not (memq (car elem) vars))
3922 (push (car elem) vars)
3923 ;; Variables like `gnus-show-threads' that are globally
3924 ;; bound, if used as group parameters, need to get to be
3925 ;; buffer-local, whereas just parameters like `gcc-self',
3926 ;; `timestamp', etc. should not be bound as variables.
3927 (if (boundp (car elem))
3928 (set (make-local-variable (car elem)) (eval (nth 1 elem)))
3929 (eval (nth 1 elem))))))))
3931 (defun gnus-summary-read-group (group &optional show-all no-article
3932 kill-buffer no-display backward
3934 "Start reading news in newsgroup GROUP.
3935 If SHOW-ALL is non-nil, already read articles are also listed.
3936 If NO-ARTICLE is non-nil, no article is selected initially.
3937 If NO-DISPLAY, don't generate a summary buffer."
3941 (let ((gnus-auto-select-next nil))
3942 (or (gnus-summary-read-group-1
3943 group show-all no-article
3944 kill-buffer no-display
3947 select-articles nil)))))
3948 (eq gnus-auto-select-next 'quietly))
3949 (set-buffer gnus-group-buffer)
3950 ;; The entry function called above goes to the next
3951 ;; group automatically, so we go two groups back
3952 ;; if we are searching for the previous group.
3954 (gnus-group-prev-unread-group 2))
3955 (if (not (equal group (gnus-group-group-name)))
3956 (setq group (gnus-group-group-name))
3960 (defun gnus-summary-read-group-1 (group show-all no-article
3961 kill-buffer no-display
3962 &optional select-articles)
3963 ;; Killed foreign groups can't be entered.
3964 ;; (when (and (not (gnus-group-native-p group))
3965 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3966 ;; (error "Dead non-native groups can't be entered"))
3967 (gnus-message 5 "Retrieving newsgroup: %s..."
3968 (gnus-group-decoded-name group))
3969 (let* ((new-group (gnus-summary-setup-buffer group))
3970 (quit-config (gnus-group-quit-config group))
3971 (did-select (and new-group (gnus-select-newsgroup
3972 group show-all select-articles))))
3974 ;; This summary buffer exists already, so we just select it.
3976 (gnus-set-global-variables)
3978 (gnus-kill-or-deaden-summary kill-buffer))
3979 (gnus-configure-windows 'summary 'force)
3980 (gnus-set-mode-line 'summary)
3981 (gnus-summary-position-point)
3984 ;; We couldn't select this group.
3986 (when (and (eq major-mode 'gnus-summary-mode)
3987 (not (equal (current-buffer) kill-buffer)))
3988 (kill-buffer (current-buffer))
3989 (if (not quit-config)
3991 ;; Update the info -- marks might need to be removed,
3993 (gnus-summary-update-info)
3994 (set-buffer gnus-group-buffer)
3995 (gnus-group-jump-to-group group)
3996 (gnus-group-next-unread-group 1))
3997 (gnus-handle-ephemeral-exit quit-config)))
3998 (if (null (gnus-list-of-unread-articles group))
3999 (gnus-message 3 "Group %s contains no messages" group)
4000 (gnus-message 3 "Can't select group"))
4002 ;; The user did a `C-g' while prompting for number of articles,
4003 ;; so we exit this group.
4004 ((eq did-select 'quit)
4005 (and (eq major-mode 'gnus-summary-mode)
4006 (not (equal (current-buffer) kill-buffer))
4007 (kill-buffer (current-buffer)))
4009 (gnus-kill-or-deaden-summary kill-buffer))
4010 (if (not quit-config)
4012 (set-buffer gnus-group-buffer)
4013 (gnus-group-jump-to-group group)
4014 (gnus-configure-windows 'group 'force))
4015 (gnus-handle-ephemeral-exit quit-config))
4016 ;; Finally signal the quit.
4018 ;; The group was successfully selected.
4020 (gnus-set-global-variables)
4021 ;; Save the active value in effect when the group was entered.
4022 (setq gnus-newsgroup-active
4024 (gnus-active gnus-newsgroup-name)))
4025 (setq gnus-newsgroup-highest (cdr gnus-newsgroup-active))
4026 ;; You can change the summary buffer in some way with this hook.
4027 (gnus-run-hooks 'gnus-select-group-hook)
4028 (when (memq 'summary (gnus-update-format-specifications
4029 nil 'summary 'summary-mode 'summary-dummy))
4030 ;; The format specification for the summary line was updated,
4031 ;; so we need to update the mark positions as well.
4032 (gnus-update-summary-mark-positions))
4033 ;; Do score processing.
4034 (when gnus-use-scoring
4035 (gnus-possibly-score-headers))
4036 ;; Check whether to fill in the gaps in the threads.
4037 (when gnus-build-sparse-threads
4038 (gnus-build-sparse-threads))
4039 ;; Find the initial limit.
4041 (let ((gnus-newsgroup-dormant nil))
4042 (gnus-summary-initial-limit show-all))
4043 (gnus-summary-initial-limit show-all))
4044 ;; Generate the summary buffer.
4046 (gnus-summary-prepare))
4047 (when gnus-use-trees
4048 (gnus-tree-open group)
4049 (setq gnus-summary-highlight-line-function
4050 'gnus-tree-highlight-article))
4051 ;; If the summary buffer is empty, but there are some low-scored
4052 ;; articles or some excluded dormants, we include these in the
4054 (when (and (zerop (buffer-size))
4056 (cond (gnus-newsgroup-dormant
4057 (gnus-summary-limit-include-dormant))
4058 ((and gnus-newsgroup-scored show-all)
4059 (gnus-summary-limit-include-expunged t))))
4060 ;; Function `gnus-apply-kill-file' must be called in this hook.
4061 (gnus-run-hooks 'gnus-apply-kill-hook)
4062 (if (and (zerop (buffer-size))
4065 ;; This newsgroup is empty.
4066 (gnus-summary-catchup-and-exit nil t)
4067 (gnus-message 6 "No unread news")
4069 (gnus-kill-or-deaden-summary kill-buffer))
4070 ;; Return nil from this function.
4072 ;; Hide conversation thread subtrees. We cannot do this in
4073 ;; gnus-summary-prepare-hook since kill processing may not
4074 ;; work with hidden articles.
4075 (gnus-summary-maybe-hide-threads)
4076 (gnus-configure-windows 'summary)
4078 (gnus-kill-or-deaden-summary kill-buffer))
4079 (gnus-summary-auto-select-subject)
4080 ;; Show first unread article if requested.
4081 (if (and (not no-article)
4083 gnus-newsgroup-unreads
4084 gnus-auto-select-first)
4086 (let ((art (gnus-summary-article-number)))
4087 (unless (and (not gnus-plugged)
4088 (or (memq art gnus-newsgroup-undownloaded)
4089 (memq art gnus-newsgroup-downloadable)))
4090 (gnus-summary-goto-article art))))
4091 ;; Don't select any articles.
4092 (gnus-summary-position-point)
4093 (gnus-configure-windows 'summary 'force)
4094 (gnus-set-mode-line 'summary))
4095 (when (and gnus-auto-center-group
4096 (get-buffer-window gnus-group-buffer t))
4097 ;; Gotta use windows, because recenter does weird stuff if
4098 ;; the current buffer ain't the displayed window.
4099 (let ((owin (selected-window)))
4100 (select-window (get-buffer-window gnus-group-buffer t))
4101 (when (gnus-group-goto-group group)
4103 (select-window owin)))
4104 ;; Mark this buffer as "prepared".
4105 (setq gnus-newsgroup-prepared t)
4106 (gnus-run-hooks 'gnus-summary-prepared-hook)
4107 (unless (gnus-ephemeral-group-p group)
4108 (gnus-group-update-group group nil t))
4111 (defun gnus-summary-auto-select-subject ()
4112 "Select the subject line on initial group entry."
4113 (goto-char (point-min))
4115 ((eq gnus-auto-select-subject 'best)
4116 (gnus-summary-best-unread-subject))
4117 ((eq gnus-auto-select-subject 'unread)
4118 (gnus-summary-first-unread-subject))
4119 ((eq gnus-auto-select-subject 'unseen)
4120 (gnus-summary-first-unseen-subject))
4121 ((eq gnus-auto-select-subject 'unseen-or-unread)
4122 (gnus-summary-first-unseen-or-unread-subject))
4123 ((eq gnus-auto-select-subject 'first)
4126 ((functionp gnus-auto-select-subject)
4127 (funcall gnus-auto-select-subject))))
4129 (defun gnus-summary-prepare ()
4130 "Generate the summary buffer."
4132 (let ((inhibit-read-only t))
4134 (setq gnus-newsgroup-data nil
4135 gnus-newsgroup-data-reverse nil)
4136 (gnus-run-hooks 'gnus-summary-generate-hook)
4137 ;; Generate the buffer, either with threads or without.
4138 (when gnus-newsgroup-headers
4139 (gnus-summary-prepare-threads
4140 (if gnus-show-threads
4141 (gnus-sort-gathered-threads
4142 (funcall gnus-summary-thread-gathering-function
4144 (gnus-cut-threads (gnus-make-threads)))))
4145 ;; Unthreaded display.
4146 (gnus-sort-articles gnus-newsgroup-headers))))
4147 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
4148 ;; Call hooks for modifying summary buffer.
4149 (goto-char (point-min))
4150 (gnus-run-hooks 'gnus-summary-prepare-hook)))
4152 (defsubst gnus-general-simplify-subject (subject)
4153 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
4156 ;; Truncate the subject.
4157 (gnus-simplify-subject-functions
4158 (gnus-map-function gnus-simplify-subject-functions subject))
4159 ((numberp gnus-summary-gather-subject-limit)
4160 (setq subject (gnus-simplify-subject-re subject))
4161 (if (> (length subject) gnus-summary-gather-subject-limit)
4162 (substring subject 0 gnus-summary-gather-subject-limit)
4164 ;; Fuzzily simplify it.
4165 ((eq 'fuzzy gnus-summary-gather-subject-limit)
4166 (gnus-simplify-subject-fuzzy subject))
4167 ;; Just remove the leading "Re:".
4169 (gnus-simplify-subject-re subject))))
4171 (if (and gnus-summary-gather-exclude-subject
4172 (string-match gnus-summary-gather-exclude-subject subject))
4173 nil ; This article shouldn't be gathered
4176 (defun gnus-summary-simplify-subject-query ()
4177 "Query where the respool algorithm would put this article."
4179 (gnus-summary-select-article)
4180 (message "%s" (gnus-general-simplify-subject (gnus-summary-article-subject))))
4182 (defun gnus-gather-threads-by-subject (threads)
4183 "Gather threads by looking at Subject headers."
4184 (if (not gnus-summary-make-false-root)
4186 (let ((hashtb (gnus-make-hashtable 1024))
4189 subject hthread whole-subject)
4191 (setq subject (gnus-general-simplify-subject
4192 (setq whole-subject (mail-header-subject
4195 (if (setq hthread (gnus-gethash subject hashtb))
4197 ;; We enter a dummy root into the thread, if we
4198 ;; haven't done that already.
4199 (unless (stringp (caar hthread))
4200 (setcar hthread (list whole-subject (car hthread))))
4201 ;; We add this new gathered thread to this gathered
4203 (setcdr (car hthread)
4204 (nconc (cdar hthread) (list (car threads))))
4205 ;; Remove it from the list of threads.
4206 (setcdr prev (cdr threads))
4207 (setq threads prev))
4208 ;; Enter this thread into the hash table.
4209 (gnus-sethash subject
4210 (if gnus-summary-make-false-root-always
4212 ;; If you want a dummy root above all
4214 (setcar threads (list whole-subject
4220 (setq threads (cdr threads)))
4223 (defun gnus-gather-threads-by-references (threads)
4224 "Gather threads by looking at References headers."
4225 (let ((idhashtb (gnus-make-hashtable 1024))
4226 (thhashtb (gnus-make-hashtable 1024))
4229 ids references id gthread gid entered ref)
4231 (when (setq references (mail-header-references (caar threads)))
4232 (setq id (mail-header-id (caar threads))
4233 ids (inline (gnus-split-references references))
4235 (while (setq ref (pop ids))
4236 (setq ids (delete ref ids))
4237 (if (not (setq gid (gnus-gethash ref idhashtb)))
4239 (gnus-sethash ref id idhashtb)
4240 (gnus-sethash id threads thhashtb))
4241 (setq gthread (gnus-gethash gid thhashtb))
4243 ;; We enter a dummy root into the thread, if we
4244 ;; haven't done that already.
4245 (unless (stringp (caar gthread))
4246 (setcar gthread (list (mail-header-subject (caar gthread))
4248 ;; We add this new gathered thread to this gathered
4250 (setcdr (car gthread)
4251 (nconc (cdar gthread) (list (car threads)))))
4252 ;; Add it into the thread hash table.
4253 (gnus-sethash id gthread thhashtb)
4255 ;; Remove it from the list of threads.
4256 (setcdr prev (cdr threads))
4257 (setq threads prev))))
4259 (setq threads (cdr threads)))
4262 (defun gnus-sort-gathered-threads (threads)
4263 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4264 (let ((result threads))
4266 (when (stringp (caar threads))
4267 (setcdr (car threads)
4268 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4269 (setq threads (cdr threads)))
4272 (defun gnus-thread-loop-p (root thread)
4273 "Say whether ROOT is in THREAD."
4274 (let ((stack (list thread))
4277 (while (setq thread (pop stack))
4278 (setq th (cdr thread))
4280 (not (eq (caar th) root)))
4283 ;; We have found a loop.
4285 (setcdr thread (delq (car th) (cdr thread)))
4286 (if (boundp (setq ref-dep (intern "none"
4287 gnus-newsgroup-dependencies)))
4288 (setcdr (symbol-value ref-dep)
4289 (nconc (cdr (symbol-value ref-dep))
4291 (set ref-dep (list nil (car th))))
4294 ;; Push all the subthreads onto the stack.
4295 (push (cdr thread) stack)))
4298 (defun gnus-make-threads ()
4299 "Go through the dependency hashtb and find the roots. Return all threads."
4301 (while (catch 'infloop
4304 ;; Deal with self-referencing References loops.
4305 (when (and (car (symbol-value refs))
4312 (car (symbol-value refs)) thread))
4313 (cdr (symbol-value refs)))))))
4316 (unless (car (symbol-value refs))
4317 ;; These threads do not refer back to any other
4318 ;; articles, so they're roots.
4319 (setq threads (append (cdr (symbol-value refs)) threads))))
4320 gnus-newsgroup-dependencies)))
4323 ;; Build the thread tree.
4324 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4325 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4327 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4328 if it was already present.
4330 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4331 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4332 Message-IDs will be renamed to a unique Message-ID before being
4335 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4336 (let* ((id (mail-header-id header))
4337 (id-dep (and id (intern id dependencies)))
4338 parent-id ref ref-dep ref-header replaced)
4339 ;; Enter this `header' in the `dependencies' table.
4343 ;; The first two cases do the normal part: enter a new `header'
4344 ;; in the `dependencies' table.
4345 ((not (boundp id-dep))
4346 (set id-dep (list header)))
4347 ((null (car (symbol-value id-dep)))
4348 (setcar (symbol-value id-dep) header))
4350 ;; From here the `header' was already present in the
4351 ;; `dependencies' table.
4353 ;; Overrides an existing entry;
4354 ;; just set the header part of the entry.
4355 (setcar (symbol-value id-dep) header)
4358 ;; Renames the existing `header' to a unique Message-ID.
4359 ((not gnus-summary-ignore-duplicates)
4360 ;; An article with this Message-ID has already been seen.
4361 ;; We rename the Message-ID.
4362 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4364 (mail-header-set-id header id))
4366 ;; The last case ignores an existing entry, except it adds any
4367 ;; additional Xrefs (in case the two articles came from different
4369 ;; Also sets `header' to `nil' meaning that the `dependencies'
4370 ;; table was *not* modified.
4372 (mail-header-set-xref
4373 (car (symbol-value id-dep))
4374 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4376 (or (mail-header-xref header) "")))
4379 (when (and header (not replaced))
4380 ;; First check that we are not creating a References loop.
4381 (setq parent-id (gnus-parent-id (mail-header-references header)))
4382 (setq ref parent-id)
4384 (setq ref-dep (intern-soft ref dependencies))
4386 (setq ref-header (car (symbol-value ref-dep))))
4387 (if (string= id ref)
4388 ;; Yuk! This is a reference loop. Make the article be a
4391 (mail-header-set-references (car (symbol-value id-dep)) "none")
4393 (setq parent-id nil))
4394 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4395 (setq ref-dep (intern (or parent-id "none") dependencies))
4396 (if (boundp ref-dep)
4397 (setcdr (symbol-value ref-dep)
4398 (nconc (cdr (symbol-value ref-dep))
4399 (list (symbol-value id-dep))))
4400 (set ref-dep (list nil (symbol-value id-dep)))))
4403 (defun gnus-extract-message-id-from-in-reply-to (string)
4404 (if (string-match "<[^>]+>" string)
4405 (substring string (match-beginning 0) (match-end 0))
4408 (defun gnus-build-sparse-threads ()
4409 (let ((headers gnus-newsgroup-headers)
4410 (mail-parse-charset gnus-newsgroup-charset)
4411 (gnus-summary-ignore-duplicates t)
4412 header references generation relations
4413 subject child end new-child date)
4414 ;; First we create an alist of generations/relations, where
4415 ;; generations is how much we trust the relation, and the relation
4417 (gnus-message 7 "Making sparse threads...")
4419 (nnheader-set-temp-buffer " *gnus sparse threads*")
4420 (while (setq header (pop headers))
4421 (when (and (setq references (mail-header-references header))
4422 (not (string= references "")))
4424 (setq child (mail-header-id header)
4425 subject (mail-header-subject header)
4426 date (mail-header-date header)
4428 (while (search-backward ">" nil t)
4429 (setq end (1+ (point)))
4430 (when (search-backward "<" nil t)
4431 (setq new-child (buffer-substring (point) end))
4432 (push (list (incf generation)
4433 child (setq child new-child)
4437 (push (list (1+ generation) child nil subject) relations))
4439 (kill-buffer (current-buffer)))
4440 ;; Sort over trustworthiness.
4441 (dolist (relation (sort relations 'car-less-than-car))
4442 (when (gnus-dependencies-add-header
4443 (make-full-mail-header
4444 gnus-reffed-article-number
4445 (nth 3 relation) "" (or (nth 4 relation) "")
4447 (or (nth 2 relation) "") 0 0 "")
4448 gnus-newsgroup-dependencies nil)
4449 (push gnus-reffed-article-number gnus-newsgroup-limit)
4450 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4451 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4452 gnus-newsgroup-reads)
4453 (decf gnus-reffed-article-number)))
4454 (gnus-message 7 "Making sparse threads...done")))
4456 (defun gnus-build-old-threads ()
4457 ;; Look at all the articles that refer back to old articles, and
4458 ;; fetch the headers for the articles that aren't there. This will
4459 ;; build complete threads - if the roots haven't been expired by the
4461 (let ((mail-parse-charset gnus-newsgroup-charset)
4465 (when (not (car (symbol-value refs)))
4466 (setq heads (cdr (symbol-value refs)))
4468 (if (memq (mail-header-number (caar heads))
4469 gnus-newsgroup-dormant)
4470 (setq heads (cdr heads))
4471 (setq id (symbol-name refs))
4472 (while (and (setq id (gnus-build-get-header id))
4473 (not (car (gnus-id-to-thread id)))))
4474 (setq heads nil)))))
4475 gnus-newsgroup-dependencies)))
4477 (defsubst gnus-remove-odd-characters (string)
4478 "Translate STRING into something that doesn't contain weird characters."
4479 (mm-subst-char-in-string
4481 (mm-subst-char-in-string ?\n ?\- string t) t))
4483 ;; This function has to be called with point after the article number
4484 ;; on the beginning of the line.
4485 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4486 (let ((eol (point-at-eol))
4487 (buffer (current-buffer))
4488 header references in-reply-to)
4490 ;; overview: [num subject from date id refs chars lines misc]
4493 (narrow-to-region (point) eol)
4498 (make-full-mail-header
4500 (condition-case () ; subject
4501 (gnus-remove-odd-characters
4502 (funcall gnus-decode-encoded-word-function
4503 (setq x (nnheader-nov-field))))
4505 (condition-case () ; from
4506 (gnus-remove-odd-characters
4507 (funcall gnus-decode-encoded-address-function
4508 (setq x (nnheader-nov-field))))
4510 (nnheader-nov-field) ; date
4511 (nnheader-nov-read-message-id number) ; id
4512 (setq references (nnheader-nov-field)) ; refs
4513 (nnheader-nov-read-integer) ; chars
4514 (nnheader-nov-read-integer) ; lines
4516 (if (looking-at "Xref: ")
4517 (goto-char (match-end 0)))
4518 (nnheader-nov-field)) ; Xref
4519 (nnheader-nov-parse-extra)))) ; extra
4523 (when (and (string= references "")
4524 (setq in-reply-to (mail-header-extra header))
4525 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4526 (mail-header-set-references
4527 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4529 (when gnus-alter-header-function
4530 (funcall gnus-alter-header-function header))
4531 (gnus-dependencies-add-header header dependencies force-new)))
4533 (defun gnus-build-get-header (id)
4534 "Look through the buffer of NOV lines and find the header to ID.
4535 Enter this line into the dependencies hash table, and return
4536 the id of the parent article (if any)."
4537 (let ((deps gnus-newsgroup-dependencies)
4540 (with-current-buffer nntp-server-buffer
4541 (let ((case-fold-search nil))
4542 (goto-char (point-min))
4543 (while (and (not found)
4544 (search-forward id nil t))
4546 (setq found (looking-at
4547 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4548 (regexp-quote id))))
4549 (or found (beginning-of-line 2)))
4553 (setq header (gnus-nov-parse-line
4554 (read (current-buffer)) deps))
4555 (gnus-parent-id (mail-header-references header))))))
4557 (let ((number (mail-header-number header)))
4558 (push number gnus-newsgroup-limit)
4559 (push header gnus-newsgroup-headers)
4560 (if (memq number gnus-newsgroup-unselected)
4562 (setq gnus-newsgroup-unreads
4563 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4565 (setq gnus-newsgroup-unselected
4566 (delq number gnus-newsgroup-unselected)))
4567 (push number gnus-newsgroup-ancient)))))))
4569 (defun gnus-build-all-threads ()
4570 "Read all the headers."
4571 (let ((gnus-summary-ignore-duplicates t)
4572 (mail-parse-charset gnus-newsgroup-charset)
4573 (dependencies gnus-newsgroup-dependencies)
4575 (with-current-buffer nntp-server-buffer
4576 (let ((case-fold-search nil))
4577 (goto-char (point-min))
4580 (setq article (read (current-buffer))
4581 header (gnus-nov-parse-line article dependencies t)))
4583 (with-current-buffer gnus-summary-buffer
4584 (push header gnus-newsgroup-headers)
4585 (if (memq (setq article (mail-header-number header))
4586 gnus-newsgroup-unselected)
4588 (setq gnus-newsgroup-unreads
4589 (gnus-add-to-sorted-list
4590 gnus-newsgroup-unreads article))
4591 (setq gnus-newsgroup-unselected
4592 (delq article gnus-newsgroup-unselected)))
4593 (push article gnus-newsgroup-ancient)))
4594 (forward-line 1)))))))
4596 (defun gnus-summary-update-article-line (article header)
4597 "Update the line for ARTICLE using HEADER."
4598 (let* ((id (mail-header-id header))
4599 (thread (gnus-id-to-thread id)))
4601 (error "Article in no thread"))
4602 ;; Update the thread.
4603 (setcar thread header)
4604 (gnus-summary-goto-subject article)
4605 (let* ((datal (gnus-data-find-list article))
4607 (inhibit-read-only t)
4608 (level (gnus-summary-thread-level)))
4610 (let ((inserted (- (point)
4612 (gnus-summary-insert-line
4614 (memq article gnus-newsgroup-undownloaded)
4615 (gnus-article-mark article)
4616 (memq article gnus-newsgroup-replied)
4617 (memq article gnus-newsgroup-expirable)
4618 ;; Only insert the Subject string when it's different
4619 ;; from the previous Subject string.
4624 (mail-header-subject
4627 (gnus-data-find-list
4629 (gnus-data-list t)))))
4630 ;; Error on the side of excessive subjects.
4632 (mail-header-subject header)))
4634 (mail-header-subject header))
4635 nil (cdr (assq article gnus-newsgroup-scored))
4636 (memq article gnus-newsgroup-processable))
4639 (gnus-data-update-list
4641 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4643 (defun gnus-summary-update-article (article &optional iheader)
4644 "Update ARTICLE in the summary buffer."
4645 (set-buffer gnus-summary-buffer)
4646 (let* ((header (gnus-summary-article-header article))
4647 (id (mail-header-id header))
4648 (data (gnus-data-find article))
4649 (thread (gnus-id-to-thread id))
4650 (references (mail-header-references header))
4654 (when (and references
4655 (not (equal "" references)))
4658 (inhibit-read-only t)
4664 (delq thread parent)))
4665 (if (gnus-summary-insert-subject id header)
4666 ;; Set the (possibly) new article number in the data structure.
4667 (gnus-data-set-number data (gnus-id-to-article id))
4671 (defun gnus-rebuild-thread (id &optional line)
4672 "Rebuild the thread containing ID.
4673 If LINE, insert the rebuilt thread starting on line LINE."
4674 (let ((inhibit-read-only t)
4675 old-pos current thread data)
4676 (if (not gnus-show-threads)
4677 (setq thread (list (car (gnus-id-to-thread id))))
4678 ;; Get the thread this article is part of.
4679 (setq thread (gnus-remove-thread id)))
4680 (setq old-pos (point-at-bol))
4681 (setq current (save-excursion
4682 (and (re-search-backward "[\r\n]" nil t)
4683 (gnus-summary-article-number))))
4684 ;; If this is a gathered thread, we have to go some re-gathering.
4685 (when (stringp (car thread))
4686 (let ((subject (car thread))
4688 (setq thread (cdr thread))
4690 (unless (memq (setq thr (gnus-id-to-thread
4692 (mail-header-id (caar thread)))))
4695 (setq thread (cdr thread)))
4696 ;; We now have all (unique) roots.
4697 (if (= (length roots) 1)
4698 ;; All the loose roots are now one solid root.
4699 (setq thread (car roots))
4700 (setq thread (cons subject (gnus-sort-threads roots))))))
4702 ;; We then insert this thread into the summary buffer.
4704 (goto-char (point-min))
4705 (forward-line (1- line)))
4706 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4707 (if gnus-show-threads
4708 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4709 (gnus-summary-prepare-unthreaded thread))
4710 (setq data (nreverse gnus-newsgroup-data))
4711 (setq threads gnus-newsgroup-threads))
4712 ;; We splice the new data into the data structure.
4713 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4714 ;;!!! then we want to insert at the beginning of the buffer.
4715 ;;!!! That happens to be true with Gnus now, but that may
4716 ;;!!! change in the future. Perhaps.
4717 (gnus-data-enter-list
4718 (if line nil current) data (- (point) old-pos))
4719 (setq gnus-newsgroup-threads
4720 (nconc threads gnus-newsgroup-threads))
4721 (gnus-data-compute-positions))))
4723 (defun gnus-number-to-header (number)
4724 "Return the header for article NUMBER."
4725 (let ((headers gnus-newsgroup-headers))
4727 (not (= number (mail-header-number (car headers)))))
4732 (defun gnus-parent-headers (in-headers &optional generation)
4733 "Return the headers of the GENERATIONeth parent of HEADERS."
4735 (setq generation 1))
4737 (headers in-headers)
4740 (not (zerop generation))
4741 (setq references (mail-header-references headers)))
4742 (setq headers (if (and references
4743 (setq parent (gnus-parent-id references)))
4744 (car (gnus-id-to-thread parent))
4747 (and (not (eq headers in-headers))
4750 (defun gnus-id-to-thread (id)
4751 "Return the (sub-)thread where ID appears."
4752 (gnus-gethash id gnus-newsgroup-dependencies))
4754 (defun gnus-id-to-article (id)
4755 "Return the article number of ID."
4756 (let ((thread (gnus-id-to-thread id)))
4759 (mail-header-number (car thread)))))
4761 (defun gnus-id-to-header (id)
4762 "Return the article headers of ID."
4763 (car (gnus-id-to-thread id)))
4765 (defun gnus-article-displayed-root-p (article)
4766 "Say whether ARTICLE is a root(ish) article."
4767 (let ((level (gnus-summary-thread-level article))
4768 (refs (mail-header-references (gnus-summary-article-header article)))
4774 ((null (gnus-parent-id refs)) t)
4776 (null (setq particle (gnus-id-to-article
4777 (gnus-parent-id refs))))
4778 (null (gnus-summary-thread-level particle)))))))
4780 (defun gnus-root-id (id)
4781 "Return the id of the root of the thread where ID appears."
4783 (while (and id (setq prev (car (gnus-id-to-thread id))))
4785 id (gnus-parent-id (mail-header-references prev))))
4788 (defun gnus-articles-in-thread (thread)
4789 "Return the list of articles in THREAD."
4790 (cons (mail-header-number (car thread))
4791 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4793 (defun gnus-remove-thread (id &optional dont-remove)
4794 "Remove the thread that has ID in it."
4795 (let (headers thread last-id)
4796 ;; First go up in this thread until we find the root.
4797 (setq last-id (gnus-root-id id)
4798 headers (message-flatten-list (gnus-id-to-thread last-id)))
4799 ;; We have now found the real root of this thread. It might have
4800 ;; been gathered into some loose thread, so we have to search
4801 ;; through the threads to find the thread we wanted.
4802 (let ((threads gnus-newsgroup-threads)
4805 (setq sub (car threads))
4806 (if (stringp (car sub))
4807 ;; This is a gathered thread, so we look at the roots
4808 ;; below it to find whether this article is in this
4811 (setq sub (cdr sub))
4813 (when (member (caar sub) headers)
4814 (setq thread (car threads)
4817 (setq sub (cdr sub))))
4818 ;; It's an ordinary thread, so we check it.
4819 (when (eq (car sub) (car headers))
4822 (setq threads (cdr threads)))
4823 ;; If this article is in no thread, then it's a root.
4826 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4827 (setq thread (gnus-id-to-thread last-id)))
4830 thread ; We return this thread.
4832 (if (stringp (car thread))
4834 ;; If we use dummy roots, then we have to remove the
4835 ;; dummy root as well.
4836 (when (eq gnus-summary-make-false-root 'dummy)
4837 ;; We go to the dummy root by going to
4838 ;; the first sub-"thread", and then one line up.
4839 (gnus-summary-goto-article
4840 (mail-header-number (caadr thread)))
4843 (gnus-data-compute-positions))
4844 (setq thread (cdr thread))
4846 (gnus-remove-thread-1 (car thread))
4847 (setq thread (cdr thread))))
4848 (gnus-remove-thread-1 thread))))))))
4850 (defun gnus-remove-thread-1 (thread)
4851 "Remove the thread THREAD recursively."
4852 (let ((number (mail-header-number (pop thread)))
4854 (setq thread (reverse thread))
4856 (gnus-remove-thread-1 (pop thread)))
4857 (when (setq d (gnus-data-find number))
4858 (goto-char (gnus-data-pos d))
4859 (gnus-summary-show-thread)
4865 (gnus-delete-line)))))))
4867 (defun gnus-sort-threads-recursive (threads func)
4868 (sort (mapcar (lambda (thread)
4871 (gnus-sort-threads-recursive (cdr thread) func))))
4874 (defun gnus-sort-threads-loop (threads func)
4875 (let* ((superthread (cons nil threads))
4876 (stack (list (cons superthread threads)))
4877 remaining-threads thread)
4879 (setq remaining-threads (cdr (car stack)))
4880 (if remaining-threads
4881 (progn (setq thread (car remaining-threads))
4882 (setcdr (car stack) (cdr remaining-threads))
4884 (push (cons thread (cdr thread)) stack)))
4885 (setq thread (caar stack))
4886 (setcdr thread (sort (cdr thread) func))
4890 (defun gnus-sort-threads (threads)
4892 (if (not gnus-thread-sort-functions)
4894 (gnus-message 8 "Sorting threads...")
4897 (let ((max-lisp-eval-depth (max max-lisp-eval-depth 5000)))
4898 (gnus-sort-threads-recursive
4899 threads (gnus-make-sort-function gnus-thread-sort-functions)))
4900 ;; Even after binding max-lisp-eval-depth, the recursive
4901 ;; sorter might fail for very long threads. In that case,
4902 ;; try using a (less well-tested) non-recursive sorter.
4903 (error (gnus-message 9 "Sorting threads with loop...")
4904 (gnus-sort-threads-loop
4905 threads (gnus-make-sort-function
4906 gnus-thread-sort-functions))))
4907 (gnus-message 8 "Sorting threads...done"))))
4909 (defun gnus-sort-articles (articles)
4911 (when gnus-article-sort-functions
4912 (gnus-message 7 "Sorting articles...")
4914 (setq gnus-newsgroup-headers
4915 (sort articles (gnus-make-sort-function
4916 gnus-article-sort-functions)))
4917 (gnus-message 7 "Sorting articles...done"))))
4919 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4920 (defmacro gnus-thread-header (thread)
4921 "Return header of first article in THREAD.
4922 Note that THREAD must never, ever be anything else than a variable -
4923 using some other form will lead to serious barfage."
4924 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4925 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4926 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4929 (defsubst gnus-article-sort-by-number (h1 h2)
4930 "Sort articles by article number."
4931 (< (mail-header-number h1)
4932 (mail-header-number h2)))
4934 (defun gnus-thread-sort-by-number (h1 h2)
4935 "Sort threads by root article number."
4936 (gnus-article-sort-by-number
4937 (gnus-thread-header h1) (gnus-thread-header h2)))
4939 (defsubst gnus-article-sort-by-random (h1 h2)
4940 "Sort articles randomly."
4943 (defun gnus-thread-sort-by-random (h1 h2)
4944 "Sort threads randomly."
4945 (gnus-article-sort-by-random
4946 (gnus-thread-header h1) (gnus-thread-header h2)))
4948 (defsubst gnus-article-sort-by-lines (h1 h2)
4949 "Sort articles by article Lines header."
4950 (< (mail-header-lines h1)
4951 (mail-header-lines h2)))
4953 (defun gnus-thread-sort-by-lines (h1 h2)
4954 "Sort threads by root article Lines header."
4955 (gnus-article-sort-by-lines
4956 (gnus-thread-header h1) (gnus-thread-header h2)))
4958 (defsubst gnus-article-sort-by-chars (h1 h2)
4959 "Sort articles by octet length."
4960 (< (mail-header-chars h1)
4961 (mail-header-chars h2)))
4963 (defun gnus-thread-sort-by-chars (h1 h2)
4964 "Sort threads by root article octet length."
4965 (gnus-article-sort-by-chars
4966 (gnus-thread-header h1) (gnus-thread-header h2)))
4968 (defsubst gnus-article-sort-by-author (h1 h2)
4969 "Sort articles by root author."
4971 (let ((extract (funcall
4972 gnus-extract-address-components
4973 (mail-header-from h1))))
4974 (or (car extract) (cadr extract) ""))
4975 (let ((extract (funcall
4976 gnus-extract-address-components
4977 (mail-header-from h2))))
4978 (or (car extract) (cadr extract) ""))))
4980 (defun gnus-thread-sort-by-author (h1 h2)
4981 "Sort threads by root author."
4982 (gnus-article-sort-by-author
4983 (gnus-thread-header h1) (gnus-thread-header h2)))
4985 (defsubst gnus-article-sort-by-recipient (h1 h2)
4986 "Sort articles by recipient."
4988 (let ((extract (funcall
4989 gnus-extract-address-components
4990 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4991 (or (car extract) (cadr extract)))
4992 (let ((extract (funcall
4993 gnus-extract-address-components
4994 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4995 (or (car extract) (cadr extract)))))
4997 (defun gnus-thread-sort-by-recipient (h1 h2)
4998 "Sort threads by root recipient."
4999 (gnus-article-sort-by-recipient
5000 (gnus-thread-header h1) (gnus-thread-header h2)))
5002 (defsubst gnus-article-sort-by-subject (h1 h2)
5003 "Sort articles by root subject."
5005 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
5006 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
5008 (defun gnus-thread-sort-by-subject (h1 h2)
5009 "Sort threads by root subject."
5010 (gnus-article-sort-by-subject
5011 (gnus-thread-header h1) (gnus-thread-header h2)))
5013 (defsubst gnus-article-sort-by-date (h1 h2)
5014 "Sort articles by root article date."
5016 (gnus-date-get-time (mail-header-date h1))
5017 (gnus-date-get-time (mail-header-date h2))))
5019 (defun gnus-thread-sort-by-date (h1 h2)
5020 "Sort threads by root article date."
5021 (gnus-article-sort-by-date
5022 (gnus-thread-header h1) (gnus-thread-header h2)))
5024 (defsubst gnus-article-sort-by-score (h1 h2)
5025 "Sort articles by root article score.
5026 Unscored articles will be counted as having a score of zero."
5027 (> (or (cdr (assq (mail-header-number h1)
5028 gnus-newsgroup-scored))
5029 gnus-summary-default-score 0)
5030 (or (cdr (assq (mail-header-number h2)
5031 gnus-newsgroup-scored))
5032 gnus-summary-default-score 0)))
5034 (defun gnus-thread-sort-by-score (h1 h2)
5035 "Sort threads by root article score."
5036 (gnus-article-sort-by-score
5037 (gnus-thread-header h1) (gnus-thread-header h2)))
5039 (defun gnus-thread-sort-by-total-score (h1 h2)
5040 "Sort threads by the sum of all scores in the thread.
5041 Unscored articles will be counted as having a score of zero."
5042 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
5044 (defun gnus-thread-total-score (thread)
5045 ;; This function find the total score of THREAD.
5050 (if (stringp (car thread))
5051 (apply gnus-thread-score-function 0
5052 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
5053 (gnus-thread-total-score-1 thread)))
5055 (gnus-thread-total-score-1 (list thread)))))
5057 (defun gnus-article-sort-by-most-recent-number (h1 h2)
5058 "Sort articles by number."
5059 (gnus-article-sort-by-number h1 h2))
5061 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
5062 "Sort threads such that the thread with the most recently arrived article comes first."
5063 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
5065 (defun gnus-thread-highest-number (thread)
5066 "Return the highest article number in THREAD."
5067 (apply 'max (mapcar (lambda (header)
5068 (mail-header-number header))
5069 (message-flatten-list thread))))
5071 (defun gnus-article-sort-by-most-recent-date (h1 h2)
5072 "Sort articles by number."
5073 (gnus-article-sort-by-date h1 h2))
5075 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
5076 "Sort threads such that the thread with the most recently dated article comes first."
5077 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
5079 ; Since this is called not only to sort the top-level threads, but
5080 ; also in recursive sorts to order the articles within a thread, each
5081 ; article will be processed many times. Thus it speeds things up
5082 ; quite a bit to use gnus-date-get-time, which caches the time value.
5083 (defun gnus-thread-latest-date (thread)
5084 "Return the highest article date in THREAD."
5086 (mapcar (lambda (header) (gnus-float-time
5088 (mail-header-date header))))
5089 (message-flatten-list thread))))
5091 (defun gnus-thread-total-score-1 (root)
5092 ;; This function find the total score of the thread below ROOT.
5093 (setq root (car root))
5094 (apply gnus-thread-score-function
5096 (mapcar 'gnus-thread-total-score
5097 (cdr (gnus-id-to-thread (mail-header-id root))))
5098 (when (> (mail-header-number root) 0)
5099 (list (or (cdr (assq (mail-header-number root)
5100 gnus-newsgroup-scored))
5101 gnus-summary-default-score 0))))
5102 (list gnus-summary-default-score)
5105 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
5106 (defvar gnus-tmp-prev-subject nil)
5107 (defvar gnus-tmp-false-parent nil)
5108 (defvar gnus-tmp-root-expunged nil)
5109 (defvar gnus-tmp-dummy-line nil)
5111 (defun gnus-extra-header (type &optional header)
5112 "Return the extra header of TYPE."
5113 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
5116 (defvar gnus-tmp-thread-tree-header-string "")
5118 (defcustom gnus-sum-thread-tree-root "> "
5119 "With %B spec, used for the root of a thread.
5120 If nil, use subject instead."
5122 :type '(radio (const :format "%v " nil) string)
5123 :group 'gnus-thread)
5125 (defcustom gnus-sum-thread-tree-false-root "> "
5126 "With %B spec, used for a false root of a thread.
5127 If nil, use subject instead."
5129 :type '(radio (const :format "%v " nil) string)
5130 :group 'gnus-thread)
5132 (defcustom gnus-sum-thread-tree-single-indent ""
5133 "With %B spec, used for a thread with just one message.
5134 If nil, use subject instead."
5136 :type '(radio (const :format "%v " nil) string)
5137 :group 'gnus-thread)
5139 (defcustom gnus-sum-thread-tree-vertical "| "
5140 "With %B spec, used for drawing a vertical line."
5143 :group 'gnus-thread)
5145 (defcustom gnus-sum-thread-tree-indent " "
5146 "With %B spec, used for indenting."
5149 :group 'gnus-thread)
5151 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
5152 "With %B spec, used for a leaf with brothers."
5155 :group 'gnus-thread)
5157 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
5158 "With %B spec, used for a leaf without brothers."
5161 :group 'gnus-thread)
5163 (defcustom gnus-summary-display-while-building nil
5164 "If non-nil, show and update the summary buffer as it's being built.
5165 If the value is t, update the buffer after every line is inserted. If
5166 the value is an integer (N), update the display every N lines."
5169 :type '(choice (const :tag "off" nil)
5171 (const :tag "frequently" t)))
5173 (defun gnus-summary-prepare-threads (threads)
5174 "Prepare summary buffer from THREADS and indentation LEVEL.
5175 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
5176 or a straight list of headers."
5177 (gnus-message 7 "Generating summary...")
5179 (setq gnus-newsgroup-threads threads)
5182 (let ((gnus-tmp-level 0)
5183 (default-score (or gnus-summary-default-score 0))
5184 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
5185 (building-line-count gnus-summary-display-while-building)
5186 (building-count (integerp gnus-summary-display-while-building))
5187 thread number subject stack state gnus-tmp-gathered beg-match
5188 new-roots gnus-tmp-new-adopts thread-end simp-subject
5189 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
5190 gnus-tmp-replied gnus-tmp-subject-or-nil
5191 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
5192 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
5193 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
5196 (setq gnus-tmp-prev-subject nil
5197 gnus-tmp-thread-tree-header-string "")
5199 (if (vectorp (car threads))
5200 ;; If this is a straight (sic) list of headers, then a
5201 ;; threaded summary display isn't required, so we just create
5202 ;; an unthreaded one.
5203 (gnus-summary-prepare-unthreaded threads)
5205 ;; Do the threaded display.
5207 (if gnus-summary-display-while-building
5208 (switch-to-buffer (buffer-name)))
5209 (while (or threads stack gnus-tmp-new-adopts new-roots)
5211 (if (and (= gnus-tmp-level 0)
5214 (not gnus-tmp-false-parent)
5215 (or gnus-tmp-new-adopts new-roots))
5216 (if gnus-tmp-new-adopts
5217 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
5218 thread (list (car gnus-tmp-new-adopts))
5219 gnus-tmp-header (caar thread)
5220 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
5222 (setq thread (list (car new-roots))
5223 gnus-tmp-header (caar thread)
5224 new-roots (cdr new-roots))))
5227 ;; If there are some threads, we do them before the
5228 ;; threads on the stack.
5229 (setq thread threads
5230 gnus-tmp-header (caar thread))
5231 ;; There were no current threads, so we pop something off
5233 (setq state (car stack)
5234 gnus-tmp-level (car state)
5235 tree-stack (cadr state)
5236 thread (caddr state)
5238 gnus-tmp-header (caar thread))))
5240 (setq gnus-tmp-false-parent nil)
5241 (setq gnus-tmp-root-expunged nil)
5242 (setq thread-end nil)
5244 (if (stringp gnus-tmp-header)
5245 ;; The header is a dummy root.
5247 ((eq gnus-summary-make-false-root 'adopt)
5248 ;; We let the first article adopt the rest.
5249 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
5251 (setq gnus-tmp-gathered
5253 (lambda (h) (mail-header-number (car h)))
5256 (setq thread (cons (list (caar thread)
5259 (setq gnus-tmp-level -1
5260 gnus-tmp-false-parent t))
5261 ((eq gnus-summary-make-false-root 'empty)
5262 ;; We print adopted articles with empty subject fields.
5263 (setq gnus-tmp-gathered
5265 (lambda (h) (mail-header-number (car h)))
5268 (setq gnus-tmp-level -1))
5269 ((eq gnus-summary-make-false-root 'dummy)
5270 ;; We remember that we probably want to output a dummy
5272 (setq gnus-tmp-dummy-line gnus-tmp-header)
5273 (setq gnus-tmp-prev-subject gnus-tmp-header))
5275 ;; We do not make a root for the gathered
5276 ;; sub-threads at all.
5277 (setq gnus-tmp-level -1)))
5279 (setq number (mail-header-number gnus-tmp-header)
5280 subject (mail-header-subject gnus-tmp-header)
5281 simp-subject (gnus-simplify-subject-fully subject))
5284 ;; If the thread has changed subject, we might want to make
5285 ;; this subthread into a root.
5286 ((and (null gnus-thread-ignore-subject)
5287 (not (zerop gnus-tmp-level))
5288 gnus-tmp-prev-subject
5289 (not (string= gnus-tmp-prev-subject simp-subject)))
5290 (setq new-roots (nconc new-roots (list (car thread)))
5292 gnus-tmp-header nil))
5293 ;; If the article lies outside the current limit,
5294 ;; then we do not display it.
5295 ((not (memq number gnus-newsgroup-limit))
5296 (setq gnus-tmp-gathered
5298 (lambda (h) (mail-header-number (car h)))
5301 (setq gnus-tmp-new-adopts (if (cdar thread)
5302 (append gnus-tmp-new-adopts
5304 gnus-tmp-new-adopts)
5306 gnus-tmp-header nil)
5307 (when (zerop gnus-tmp-level)
5308 (setq gnus-tmp-root-expunged t)))
5309 ;; Perhaps this article is to be marked as read?
5310 ((and gnus-summary-mark-below
5311 (< (or (cdr (assq number gnus-newsgroup-scored))
5313 gnus-summary-mark-below)
5314 ;; Don't touch sparse articles.
5315 (not (gnus-summary-article-sparse-p number))
5316 (not (gnus-summary-article-ancient-p number)))
5317 (setq gnus-newsgroup-unreads
5318 (delq number gnus-newsgroup-unreads))
5319 (if gnus-newsgroup-auto-expire
5320 (setq gnus-newsgroup-expirable
5321 (gnus-add-to-sorted-list
5322 gnus-newsgroup-expirable number))
5323 (push (cons number gnus-low-score-mark)
5324 gnus-newsgroup-reads))))
5326 (when gnus-tmp-header
5327 ;; We may have an old dummy line to output before this
5329 (when (and gnus-tmp-dummy-line
5332 (mail-header-subject gnus-tmp-header)))
5333 (gnus-summary-insert-dummy-line
5334 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5335 (setq gnus-tmp-dummy-line nil))
5337 ;; Compute the mark.
5338 (setq gnus-tmp-unread (gnus-article-mark number))
5340 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5341 gnus-tmp-header gnus-tmp-level)
5342 gnus-newsgroup-data)
5344 ;; Actually insert the line.
5346 gnus-tmp-subject-or-nil
5348 ((and gnus-thread-ignore-subject
5349 gnus-tmp-prev-subject
5350 (not (string= gnus-tmp-prev-subject simp-subject)))
5352 ((zerop gnus-tmp-level)
5353 (if (and (eq gnus-summary-make-false-root 'empty)
5354 (memq number gnus-tmp-gathered)
5355 gnus-tmp-prev-subject
5356 (string= gnus-tmp-prev-subject simp-subject))
5357 gnus-summary-same-subject
5359 (t gnus-summary-same-subject)))
5360 (if (and (eq gnus-summary-make-false-root 'adopt)
5361 (= gnus-tmp-level 1)
5362 (memq number gnus-tmp-gathered))
5363 (setq gnus-tmp-opening-bracket ?\<
5364 gnus-tmp-closing-bracket ?\>)
5365 (setq gnus-tmp-opening-bracket ?\[
5366 gnus-tmp-closing-bracket ?\]))
5367 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
5368 (gnus-make-thread-indent-array
5369 (max (* 2 (length gnus-thread-indent-array))
5372 gnus-tmp-indentation
5373 (aref gnus-thread-indent-array gnus-tmp-level)
5374 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5375 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5376 gnus-summary-default-score 0)
5378 (if (or (null gnus-summary-default-score)
5379 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5380 gnus-summary-zcore-fuzz))
5382 (if (< gnus-tmp-score gnus-summary-default-score)
5383 gnus-score-below-mark gnus-score-over-mark))
5385 (cond ((memq number gnus-newsgroup-processable)
5387 ((memq number gnus-newsgroup-cached)
5389 ((memq number gnus-newsgroup-replied)
5391 ((memq number gnus-newsgroup-forwarded)
5392 gnus-forwarded-mark)
5393 ((memq number gnus-newsgroup-saved)
5395 ((memq number gnus-newsgroup-recent)
5397 ((memq number gnus-newsgroup-unseen)
5401 (cond ((memq number gnus-newsgroup-undownloaded)
5402 gnus-undownloaded-mark)
5403 (gnus-newsgroup-agentized
5404 gnus-downloaded-mark)
5407 gnus-tmp-from (mail-header-from gnus-tmp-header)
5410 ((string-match "<[^>]+> *$" gnus-tmp-from)
5411 (setq beg-match (match-beginning 0))
5412 (or (and (string-match "^\".+\"" gnus-tmp-from)
5413 (substring gnus-tmp-from 1 (1- (match-end 0))))
5414 (substring gnus-tmp-from 0 beg-match)))
5415 ((string-match "(.+)" gnus-tmp-from)
5416 (substring gnus-tmp-from
5417 (1+ (match-beginning 0)) (1- (match-end 0))))
5421 gnus-tmp-thread-tree-header-string
5423 ((not gnus-show-threads) "")
5424 ((zerop gnus-tmp-level)
5425 (cond ((cdar thread)
5426 (or gnus-sum-thread-tree-root subject))
5427 (gnus-tmp-new-adopts
5428 (or gnus-sum-thread-tree-false-root subject))
5430 (or gnus-sum-thread-tree-single-indent subject))))
5432 (concat (apply 'concat
5433 (mapcar (lambda (item)
5435 gnus-sum-thread-tree-vertical
5436 gnus-sum-thread-tree-indent))
5437 (cdr (reverse tree-stack))))
5439 gnus-sum-thread-tree-leaf-with-other
5440 gnus-sum-thread-tree-single-leaf)))))
5441 (when (string= gnus-tmp-name "")
5442 (setq gnus-tmp-name gnus-tmp-from))
5443 (unless (numberp gnus-tmp-lines)
5444 (setq gnus-tmp-lines -1))
5445 (if (= gnus-tmp-lines -1)
5446 (setq gnus-tmp-lines "?")
5447 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5448 (gnus-put-text-property
5450 (progn (eval gnus-summary-line-format-spec) (point))
5451 'gnus-number number)
5454 (gnus-summary-highlight-line)
5455 (when gnus-summary-update-hook
5456 (gnus-run-hooks 'gnus-summary-update-hook))
5459 (setq gnus-tmp-prev-subject simp-subject)))
5461 (when (nth 1 thread)
5462 (push (list (max 0 gnus-tmp-level)
5463 (copy-sequence tree-stack)
5466 (push (if (nth 1 thread) 1 0) tree-stack)
5467 (incf gnus-tmp-level)
5468 (setq threads (if thread-end nil (cdar thread)))
5469 (if gnus-summary-display-while-building
5472 ;; use a set frequency
5473 (setq building-line-count (1- building-line-count))
5474 (when (= building-line-count 0)
5476 (setq building-line-count
5477 gnus-summary-display-while-building)))
5481 (setq gnus-tmp-level 0)))))
5482 (gnus-message 7 "Generating summary...done"))
5484 (defun gnus-summary-prepare-unthreaded (headers)
5485 "Generate an unthreaded summary buffer based on HEADERS."
5486 (let (header number mark)
5491 ;; We may have to root out some bad articles...
5492 (when (memq (setq number (mail-header-number
5493 (setq header (pop headers))))
5494 gnus-newsgroup-limit)
5495 ;; Mark article as read when it has a low score.
5496 (when (and gnus-summary-mark-below
5497 (< (or (cdr (assq number gnus-newsgroup-scored))
5498 gnus-summary-default-score 0)
5499 gnus-summary-mark-below)
5500 (not (gnus-summary-article-ancient-p number)))
5501 (setq gnus-newsgroup-unreads
5502 (delq number gnus-newsgroup-unreads))
5503 (if gnus-newsgroup-auto-expire
5504 (push number gnus-newsgroup-expirable)
5505 (push (cons number gnus-low-score-mark)
5506 gnus-newsgroup-reads)))
5508 (setq mark (gnus-article-mark number))
5509 (push (gnus-data-make number mark (1+ (point)) header 0)
5510 gnus-newsgroup-data)
5511 (gnus-summary-insert-line
5513 (memq number gnus-newsgroup-undownloaded)
5514 mark (memq number gnus-newsgroup-replied)
5515 (memq number gnus-newsgroup-expirable)
5516 (mail-header-subject header) nil
5517 (cdr (assq number gnus-newsgroup-scored))
5518 (memq number gnus-newsgroup-processable))))))
5520 (defun gnus-group-get-list-identifiers (group)
5521 "Get list identifier regexp for GROUP."
5522 (or (gnus-parameter-list-identifier group)
5523 (if (consp gnus-list-identifiers)
5524 (mapconcat 'identity gnus-list-identifiers " *\\|")
5525 gnus-list-identifiers)))
5527 (defun gnus-summary-remove-list-identifiers ()
5528 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5529 (let ((regexp (gnus-group-get-list-identifiers gnus-newsgroup-name))
5532 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5533 (dolist (header gnus-newsgroup-headers)
5534 (setq subject (mail-header-subject header)
5536 (while (string-match regexp subject)
5538 (concat (substring subject 0 (match-beginning 1))
5539 (substring subject (match-end 0)))
5542 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5544 (concat (substring subject 0 (match-beginning 1))
5545 (substring subject (match-end 1)))))
5546 (mail-header-set-subject header subject))))))
5548 (defun gnus-fetch-headers (articles &optional limit force-new dependencies)
5549 "Fetch headers of ARTICLES."
5550 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5551 (gnus-message 5 "Fetching headers for %s..." name)
5554 (setq gnus-headers-retrieved-by
5555 (gnus-retrieve-headers
5556 articles gnus-newsgroup-name
5558 ;; We might want to fetch old headers, but
5559 ;; not if there is only 1 article.
5561 (not (eq gnus-fetch-old-headers 'some))
5562 (not (numberp gnus-fetch-old-headers)))
5563 (> (length articles) 1))
5564 gnus-fetch-old-headers)))))
5565 (gnus-get-newsgroup-headers-xover
5566 articles force-new dependencies gnus-newsgroup-name t)
5567 (gnus-get-newsgroup-headers dependencies force-new))
5568 (gnus-message 5 "Fetching headers for %s...done" name))))
5570 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5571 "Select newsgroup GROUP.
5572 If READ-ALL is non-nil, all articles in the group are selected.
5573 If SELECT-ARTICLES, only select those articles from GROUP."
5574 (let* ((entry (gnus-group-entry group))
5575 ;;!!! Dirty hack; should be removed.
5576 (gnus-summary-ignore-duplicates
5577 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5579 gnus-summary-ignore-duplicates))
5580 (info (nth 2 entry))
5581 charset articles fetched-articles cached)
5583 (unless (gnus-check-server
5584 (set (make-local-variable 'gnus-current-select-method)
5585 (gnus-find-method-for-group group)))
5586 (error "Couldn't open server"))
5587 (setq charset (gnus-group-name-charset gnus-current-select-method group))
5589 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5590 (gnus-activate-group group) ; Or we can activate it...
5591 (progn ; Or we bug out.
5592 (when (equal major-mode 'gnus-summary-mode)
5593 (gnus-kill-buffer (current-buffer)))
5595 "Couldn't activate group %s: %s"
5596 (mm-decode-coding-string group charset)
5597 (mm-decode-coding-string (gnus-status-message group) charset))))
5599 (unless (gnus-request-group group t)
5600 (when (equal major-mode 'gnus-summary-mode)
5601 (gnus-kill-buffer (current-buffer)))
5602 (error "Couldn't request group %s: %s"
5603 (mm-decode-coding-string group charset)
5604 (mm-decode-coding-string (gnus-status-message group) charset)))
5606 (when (and gnus-agent
5607 (gnus-active group))
5608 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5610 (setq gnus-summary-use-undownloaded-faces
5611 (gnus-agent-find-parameter
5613 'agent-enable-undownloaded-faces)))
5615 (setq gnus-newsgroup-name group
5616 gnus-newsgroup-unselected nil
5617 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5619 (let ((display (gnus-group-find-parameter group 'display)))
5620 (setq gnus-newsgroup-display
5622 ((not (zerop (or (car-safe read-all) 0)))
5623 ;; The user entered the group with C-u SPC/RET, let's show
5629 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5631 ;; The following is probably the "correct" solution, but
5632 ;; it makes Gnus fetch all headers and then limit the
5633 ;; articles (which is slow), so instead we hack the
5634 ;; select-articles parameter instead. -- Simon Josefsson
5637 ;; (gnus-byte-compile
5638 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5640 (setq select-articles
5641 (gnus-uncompress-range
5642 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5646 (cdr (gnus-active group)))))
5651 (gnus-summary-setup-default-charset)
5653 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5654 (when (gnus-virtual-group-p group)
5655 (setq cached gnus-newsgroup-cached))
5657 (setq gnus-newsgroup-unreads
5658 (gnus-sorted-ndifference
5659 (gnus-sorted-ndifference gnus-newsgroup-unreads
5660 gnus-newsgroup-marked)
5661 gnus-newsgroup-dormant))
5663 (setq gnus-newsgroup-processable nil)
5665 (gnus-update-read-articles group gnus-newsgroup-unreads t)
5667 ;; Adjust and set lists of article marks.
5669 (gnus-adjust-marked-articles info))
5670 (if (setq articles select-articles)
5671 (setq gnus-newsgroup-unselected
5672 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5673 (setq articles (gnus-articles-to-read group read-all)))
5677 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5679 ((eq articles 0) nil)
5681 ;; Init the dependencies hash table.
5682 (setq gnus-newsgroup-dependencies
5683 (gnus-make-hashtable (length articles)))
5684 (gnus-set-global-variables)
5685 ;; Retrieve the headers and read them in.
5687 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5689 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5691 (setq gnus-newsgroup-cached cached))
5693 ;; Suppress duplicates?
5694 (when gnus-suppress-duplicates
5695 (gnus-dup-suppress-articles))
5697 ;; Set the initial limit.
5698 (setq gnus-newsgroup-limit (copy-sequence articles))
5699 ;; Remove canceled articles from the list of unread articles.
5700 (setq fetched-articles
5701 (mapcar (lambda (headers) (mail-header-number headers))
5702 gnus-newsgroup-headers))
5703 (setq gnus-newsgroup-articles fetched-articles)
5704 (setq gnus-newsgroup-unreads
5705 (gnus-sorted-nintersection
5706 gnus-newsgroup-unreads fetched-articles))
5707 (gnus-compute-unseen-list)
5709 ;; Removed marked articles that do not exist.
5710 (gnus-update-missing-marks
5711 (gnus-sorted-difference articles fetched-articles))
5712 ;; We might want to build some more threads first.
5713 (when (and gnus-fetch-old-headers
5714 (eq gnus-headers-retrieved-by 'nov))
5715 (if (eq gnus-fetch-old-headers 'invisible)
5716 (gnus-build-all-threads)
5717 (gnus-build-old-threads)))
5718 ;; Let the Gnus agent mark articles as read.
5720 (gnus-agent-get-undownloaded-list))
5721 ;; Remove list identifiers from subject
5722 (gnus-summary-remove-list-identifiers)
5723 ;; Check whether auto-expire is to be done in this group.
5724 (setq gnus-newsgroup-auto-expire
5725 (and (gnus-group-auto-expirable-p group)
5726 (not (gnus-group-read-only-p group))))
5727 ;; Set up the article buffer now, if necessary.
5728 (unless (and gnus-single-article-buffer
5729 (equal gnus-article-buffer "*Article*"))
5730 (gnus-article-setup-buffer))
5731 ;; First and last article in this newsgroup.
5732 (when gnus-newsgroup-headers
5733 (setq gnus-newsgroup-begin
5734 (mail-header-number (car gnus-newsgroup-headers))
5737 (gnus-last-element gnus-newsgroup-headers))))
5738 ;; GROUP is successfully selected.
5739 (or gnus-newsgroup-headers t)))))
5741 (defun gnus-compute-unseen-list ()
5742 ;; The `seen' marks are treated specially.
5743 (if (not gnus-newsgroup-seen)
5744 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5745 (setq gnus-newsgroup-unseen
5746 (gnus-inverse-list-range-intersection
5747 gnus-newsgroup-articles gnus-newsgroup-seen))))
5749 (declare-function gnus-get-predicate "gnus-agent" (predicate))
5751 (defun gnus-summary-display-make-predicate (display)
5752 (require 'gnus-agent)
5753 (when (= (length display) 1)
5754 (setq display (car display)))
5755 (unless gnus-summary-display-cache
5756 (dolist (elem (append '((unread . unread)
5759 gnus-article-mark-lists))
5760 (push (cons (cdr elem)
5761 (gnus-byte-compile ;Why bother?
5762 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5763 gnus-summary-display-cache)))
5764 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5765 (gnus-category-predicate-cache gnus-summary-display-cache))
5766 (gnus-get-predicate display)))
5768 ;; Uses the dynamically bound `gnus-number' variable.
5769 (defvar gnus-number)
5770 (defun gnus-article-marked-p (type &optional article)
5771 (let ((article (or article gnus-number)))
5774 (memq article gnus-newsgroup-marked))
5776 (memq article gnus-newsgroup-spam-marked))
5778 (memq article gnus-newsgroup-unsendable))
5779 ((eq type 'undownload)
5780 (memq article gnus-newsgroup-undownloaded))
5781 ((eq type 'download)
5782 (memq article gnus-newsgroup-downloadable))
5784 (memq article gnus-newsgroup-unreads))
5786 (memq article gnus-newsgroup-reads))
5788 (memq article gnus-newsgroup-dormant) )
5790 (memq article gnus-newsgroup-expirable))
5792 (memq article gnus-newsgroup-replied))
5794 (memq article gnus-newsgroup-killed))
5795 ((eq type 'bookmark)
5796 (assq article gnus-newsgroup-bookmarks))
5798 (assq article gnus-newsgroup-scored))
5800 (memq article gnus-newsgroup-saved))
5802 (memq article gnus-newsgroup-cached))
5804 (memq article gnus-newsgroup-forwarded))
5806 (not (memq article gnus-newsgroup-unseen)))
5808 (memq article gnus-newsgroup-recent))
5811 (defun gnus-articles-to-read (group &optional read-all)
5812 "Find out what articles the user wants to read."
5813 (let* ((only-read-p t)
5815 ;; Select all articles if `read-all' is non-nil, or if there
5816 ;; are no unread articles.
5818 (and (zerop (length gnus-newsgroup-marked))
5819 (zerop (length gnus-newsgroup-unreads)))
5820 ;; Fetch all if the predicate is non-nil.
5821 gnus-newsgroup-display)
5822 ;; We want to select the headers for all the articles in
5823 ;; the group, so we select either all the active
5824 ;; articles in the group, or (if that's nil), the
5825 ;; articles in the cache.
5827 (if gnus-newsgroup-maximum-articles
5828 (let ((active (gnus-active group)))
5829 (gnus-uncompress-range
5830 (cons (max (car active)
5832 gnus-newsgroup-maximum-articles
5835 (gnus-uncompress-range (gnus-active group)))
5836 (gnus-cache-articles-in-group group))
5837 ;; Select only the "normal" subset of articles.
5838 (setq only-read-p nil)
5840 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5841 gnus-newsgroup-unreads)))
5842 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5843 (scored (length scored-list))
5844 (number (length articles))
5845 (marked (+ (length gnus-newsgroup-marked)
5846 (length gnus-newsgroup-dormant)))
5851 ((numberp gnus-newsgroup-display)
5852 gnus-newsgroup-display)
5856 ((and (or (<= scored marked) (= scored number))
5857 (numberp gnus-large-newsgroup)
5858 (> number gnus-large-newsgroup))
5859 (let* ((cursor-in-echo-area nil)
5860 (initial (gnus-parameter-large-newsgroup-initial
5861 gnus-newsgroup-name))
5862 (default (if only-read-p
5863 (or initial gnus-large-newsgroup)
5869 "How many articles from %s (available %d, default %d): "
5870 (gnus-group-decoded-name
5871 (gnus-group-real-name gnus-newsgroup-name))
5874 "How many articles from %s (%d available): "
5875 (gnus-group-decoded-name
5876 (gnus-group-real-name gnus-newsgroup-name))
5880 (number-to-string default))))
5881 (if (string-match "^[ \t]*$" input) number input)))
5882 ((and (> scored marked) (< scored number)
5883 (> (- scored number) 20))
5886 (format "%s %s (%d scored, %d total): "
5887 "How many articles from"
5888 (gnus-group-decoded-name
5889 (gnus-group-real-name gnus-newsgroup-name))
5891 (if (string-match "^[ \t]*$" input)
5895 (message "Quit getting the articles to read")
5897 (setq select (if (stringp select) (string-to-number select) select))
5898 (if (or (null select) (zerop select))
5900 (if (and (not (zerop scored)) (<= (abs select) scored))
5902 (setq articles (sort scored-list '<))
5903 (setq number (length articles)))
5904 (setq articles (copy-sequence articles)))
5906 (when (< (abs select) number)
5908 ;; Select the N oldest articles.
5909 (setcdr (nthcdr (1- (abs select)) articles) nil)
5910 ;; Select the N most recent articles.
5911 (setq articles (nthcdr (- number select) articles))))
5912 (setq gnus-newsgroup-unselected
5913 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5914 (when gnus-alter-articles-to-read-function
5917 (funcall gnus-alter-articles-to-read-function
5918 gnus-newsgroup-name articles)
5922 (defun gnus-killed-articles (killed articles)
5925 (when (inline (gnus-member-of-range (car articles) killed))
5926 (push (car articles) out))
5927 (setq articles (cdr articles)))
5930 (defun gnus-uncompress-marks (marks)
5931 "Uncompress the mark ranges in MARKS."
5932 (let ((uncompressed '(score bookmark))
5935 (if (memq (caar marks) uncompressed)
5936 (push (car marks) out)
5937 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5938 (setq marks (cdr marks)))
5941 (defun gnus-article-mark-to-type (mark)
5942 "Return the type of MARK."
5943 (or (cadr (assq mark gnus-article-special-mark-lists))
5946 (defun gnus-article-unpropagatable-p (mark)
5947 "Return whether MARK should be propagated to back end."
5948 (memq mark gnus-article-unpropagated-mark-lists))
5950 (defun gnus-adjust-marked-articles (info)
5951 "Set all article lists and remove all marks that are no longer valid."
5952 (let* ((marked-lists (gnus-info-marks info))
5953 (active (gnus-active (gnus-info-group info)))
5956 (types gnus-article-mark-lists)
5957 marks var articles article mark mark-type
5959 ;; Hack to avoid adjusting marks for imap.
5960 (when (eq (car (gnus-find-method-for-group (gnus-info-group info)))
5964 (dolist (marks marked-lists)
5965 (setq mark (car marks)
5966 mark-type (gnus-article-mark-to-type mark)
5967 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5969 ;; We set the variable according to the type of the marks list,
5970 ;; and then adjust the marks to a subset of the active articles.
5972 ;; Adjust "simple" lists - compressed yet unsorted
5973 ((eq mark-type 'list)
5974 ;; Simultaneously uncompress and clip to active range
5975 ;; See gnus-uncompress-range for a description of possible marks
5977 (if (not (cadr marks))
5979 (setq articles (if (numberp (cddr marks))
5985 (while (setq article (pop articles))
5986 (cond ((consp article)
5987 (setq bgn (max (car article) min)
5988 end (min (cdr article) max))
5990 (setq l (setcdr l (cons bgn nil))
5992 ((and (<= min article)
5994 (setq l (setcdr l (cons article nil))))))
5995 (set var (cdr lh)))))
5997 ((eq mark-type 'tuple)
5998 (set var (setq articles (cdr marks)))
5999 (when (not (listp (cdr (symbol-value var))))
6000 (set var (list (symbol-value var))))
6001 (when (not (listp (cdr articles)))
6002 (setq articles (list articles)))
6004 (when (or (not (consp (setq article (pop articles))))
6005 (< (car article) min)
6006 (> (car article) max))
6007 (set var (delq article (symbol-value var))))))
6008 ;; Adjust ranges (sloppily).
6009 ((eq mark-type 'range)
6012 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
6013 ;; It should be (seen (NUM1 . NUM2)).
6014 (when (numberp (cddr marks))
6015 (setcdr marks (list (cdr marks))))
6016 (setq articles (cdr marks))
6017 (while (and articles
6018 (or (and (consp (car articles))
6019 (> min (cdar articles)))
6020 (and (numberp (car articles))
6021 (> min (car articles)))))
6023 (set var articles))))))))
6025 (defun gnus-update-missing-marks (missing)
6026 "Go through the list of MISSING articles and remove them from the mark lists."
6029 ;; Go through all types.
6030 (dolist (elem gnus-article-mark-lists)
6031 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
6032 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
6033 (when (symbol-value var)
6034 ;; This list has articles. So we delete all missing
6035 ;; articles from it.
6038 (set var (delq (pop m) (symbol-value var))))))))))
6040 (defun gnus-update-marks ()
6041 "Enter the various lists of marked articles into the newsgroup info list."
6042 (let ((types gnus-article-mark-lists)
6043 (info (gnus-get-info gnus-newsgroup-name))
6044 type list newmarked symbol delta-marks)
6046 ;; Add all marks lists to the list of marks lists.
6047 (while (setq type (pop types))
6048 (setq list (symbol-value
6050 (intern (format "gnus-newsgroup-%s" (car type))))))
6053 ;; Get rid of the entries of the articles that have the
6055 (when (and (eq (cdr type) 'score)
6059 (prev (cons nil list))
6062 (if (or (not (consp (car arts)))
6063 (= (cdar arts) gnus-summary-default-score))
6064 (setcdr prev (cdr arts))
6066 (setq arts (cdr arts)))
6067 (setq list (cdr all)))))
6069 (when (eq (cdr type) 'seen)
6070 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
6072 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
6073 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
6075 (when (and (gnus-check-backend-function
6076 'request-set-mark gnus-newsgroup-name)
6077 (not (gnus-article-unpropagatable-p (cdr type))))
6078 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
6079 ;; Don't do anything about marks for articles we
6080 ;; didn't actually get any headers for.
6082 (gnus-list-range-intersection
6083 gnus-newsgroup-articles
6084 (gnus-remove-from-range (gnus-copy-sequence old) list)))
6086 (gnus-list-range-intersection
6087 gnus-newsgroup-articles
6088 (gnus-remove-from-range
6089 (gnus-copy-sequence list) old))))
6091 (push (list add 'add (list (cdr type))) delta-marks))
6093 ;; Don't delete marks from outside the active range.
6094 ;; This shouldn't happen, but is a sanity check.
6095 (setq del (gnus-sorted-range-intersection
6096 (gnus-active gnus-newsgroup-name) del))
6097 (push (list del 'del (list (cdr type))) delta-marks))))
6100 (push (cons (cdr type) list) newmarked)))
6103 (unless (gnus-check-group gnus-newsgroup-name)
6104 (error "Can't open server for %s" gnus-newsgroup-name))
6105 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
6107 ;; Enter these new marks into the info of the group.
6109 (setcar (nthcdr 3 info) newmarked)
6110 ;; Add the marks lists to the end of the info.
6112 (setcdr (nthcdr 2 info) (list newmarked))))
6114 ;; Cut off the end of the info if there's nothing else there.
6118 (when (nthcdr (decf i) info)
6119 (setcdr (nthcdr i info) nil)))))))
6121 (defun gnus-set-mode-line (where)
6122 "Set the mode line of the article or summary buffers.
6123 If WHERE is `summary', the summary mode line format will be used."
6124 ;; Is this mode line one we keep updated?
6125 (when (and (memq where gnus-updated-mode-lines)
6127 (intern (format "gnus-%s-mode-line-format-spec" where))))
6129 ;; We evaluate this in the summary buffer since these
6130 ;; variables are buffer-local to that buffer.
6131 (with-current-buffer gnus-summary-buffer
6132 ;; We bind all these variables that are used in the `eval' form
6134 (let* ((mformat (symbol-value
6136 (format "gnus-%s-mode-line-format-spec" where))))
6137 (gnus-tmp-group-name (gnus-mode-string-quote
6138 (gnus-group-decoded-name
6139 gnus-newsgroup-name)))
6140 (gnus-tmp-article-number (or gnus-current-article 0))
6141 (gnus-tmp-unread gnus-newsgroup-unreads)
6142 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
6143 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
6144 (gnus-tmp-unread-and-unselected
6145 (cond ((and (zerop gnus-tmp-unread-and-unticked)
6146 (zerop gnus-tmp-unselected))
6148 ((zerop gnus-tmp-unselected)
6149 (format "{%d more}" gnus-tmp-unread-and-unticked))
6150 (t (format "{%d(+%d) more}"
6151 gnus-tmp-unread-and-unticked
6152 gnus-tmp-unselected))))
6154 (if (and gnus-current-headers
6155 (vectorp gnus-current-headers))
6156 (gnus-mode-string-quote
6157 (mail-header-subject gnus-current-headers))
6159 bufname-length max-len
6160 gnus-tmp-header) ;; passed as argument to any user-format-funcs
6161 (setq mode-string (eval mformat))
6162 (setq bufname-length (if (string-match "%b" mode-string)
6165 (if (eq where 'summary)
6167 (get-buffer gnus-article-buffer))))
6170 (setq max-len (max 4 (if gnus-mode-non-string-length
6172 gnus-mode-non-string-length
6174 (length mode-string))))
6175 ;; We might have to chop a bit of the string off...
6176 (when (> (length mode-string) max-len)
6178 (concat (truncate-string-to-width mode-string (- max-len 3))
6180 ;; Update the mode line.
6181 (setq mode-line-buffer-identification
6182 (gnus-mode-line-buffer-identification (list mode-string)))
6183 (set-buffer-modified-p t))))
6185 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
6186 "Go through the HEADERS list and add all Xrefs to a hash table.
6187 The resulting hash table is returned, or nil if no Xrefs were found."
6188 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
6189 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
6190 (xref-hashtb (gnus-make-hashtable))
6191 start group entry number xrefs header)
6193 (setq header (pop headers))
6194 (when (and (setq xrefs (mail-header-xref header))
6195 (not (memq (setq number (mail-header-number header))
6198 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
6199 (setq start (match-end 0))
6200 (setq group (if prefix
6201 (concat prefix (substring xrefs (match-beginning 1)
6203 (substring xrefs (match-beginning 1) (match-end 1))))
6205 (string-to-number (substring xrefs (match-beginning 2)
6207 (if (setq entry (gnus-gethash group xref-hashtb))
6208 (setcdr entry (cons number (cdr entry)))
6209 (gnus-sethash group (cons number nil) xref-hashtb)))))
6210 (and start xref-hashtb)))
6212 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
6213 "Look through all the headers and mark the Xrefs as read."
6214 (let ((virtual (gnus-virtual-group-p from-newsgroup))
6215 name info xref-hashtb idlist method nth4)
6216 (with-current-buffer gnus-group-buffer
6217 (when (setq xref-hashtb
6218 (gnus-create-xref-hashtb from-newsgroup headers unreads))
6221 (unless (string= from-newsgroup (setq name (symbol-name group)))
6222 (setq idlist (symbol-value group))
6223 ;; Dead groups are not updated.
6225 (setq info (gnus-get-info name))
6226 (when (stringp (setq nth4 (gnus-info-method info)))
6227 (setq nth4 (gnus-server-to-method nth4))))
6228 ;; Only do the xrefs if the group has the same
6229 ;; select method as the group we have just read.
6230 (or (gnus-methods-equal-p
6231 nth4 (gnus-find-method-for-group from-newsgroup))
6233 (equal nth4 (setq method (gnus-find-method-for-group
6235 (and (equal (car nth4) (car method))
6236 (equal (nth 1 nth4) (nth 1 method))))
6237 gnus-use-cross-reference
6238 (or (not (eq gnus-use-cross-reference t))
6240 ;; Only do cross-references on subscribed
6241 ;; groups, if that is what is wanted.
6242 (<= (gnus-info-level info) gnus-level-subscribed))
6243 (gnus-group-make-articles-read name idlist))))
6246 (defun gnus-compute-read-articles (group articles)
6247 (let* ((entry (gnus-group-entry group))
6248 (info (nth 2 entry))
6249 (active (gnus-active group))
6252 ;; First peel off all invalid article numbers.
6254 (let ((ids articles)
6256 (while (setq id (pop ids))
6257 (when (and first (> id (cdr active)))
6258 ;; We'll end up in this situation in one particular
6259 ;; obscure situation. If you re-scan a group and get
6260 ;; a new article that is cross-posted to a different
6261 ;; group that has not been re-scanned, you might get
6262 ;; crossposted article that has a higher number than
6263 ;; Gnus believes possible. So we re-activate this
6264 ;; group as well. This might mean doing the
6265 ;; crossposting thingy will *increase* the number
6266 ;; of articles in some groups. Tsk, tsk.
6267 (setq active (or (gnus-activate-group group) active)))
6268 (when (or (> id (cdr active))
6269 (< id (car active)))
6270 (setq articles (delq id articles))))))
6271 ;; If the read list is nil, we init it.
6273 (null (gnus-info-read info))
6275 (setq ninfo (cons 1 (1- (car active))))
6276 (setq ninfo (gnus-info-read info)))
6277 ;; Then we add the read articles to the range.
6279 ninfo (setq articles (sort articles '<))))))
6281 (defun gnus-group-make-articles-read (group articles)
6282 "Update the info of GROUP to say that ARTICLES are read."
6284 (entry (gnus-group-entry group))
6285 (info (nth 2 entry))
6286 (active (gnus-active group))
6289 ;; Group that Gnus doesn't know exists, but still allow the
6290 ;; backend to set marks.
6291 (gnus-request-set-mark
6292 group (list (list (gnus-compress-sequence (sort articles #'<))
6294 ;; Normal, subscribed groups.
6295 (setq range (gnus-compute-read-articles group articles))
6296 (with-current-buffer gnus-group-buffer
6299 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
6300 (gnus-info-set-read ',info ',(gnus-info-read info))
6301 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
6302 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
6303 (gnus-group-update-group ,group t))))
6304 ;; Add the read articles to the range.
6305 (gnus-info-set-read info range)
6306 (gnus-request-set-mark group (list (list range 'add '(read))))
6307 ;; Then we have to re-compute how many unread
6308 ;; articles there are in this group.
6312 (setq num (- (1+ (cdr active)) (car active))))
6313 ((not (listp (cdr range)))
6314 (setq num (- (cdr active) (- (1+ (cdr range))
6318 (if (numberp (car range))
6320 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
6321 (setq range (cdr range)))
6322 (setq num (- (cdr active) num))))
6323 ;; Update the number of unread articles.
6325 ;; Update the group buffer.
6326 (unless (gnus-ephemeral-group-p group)
6327 (gnus-group-update-group group t))))))
6329 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6330 (let ((cur nntp-server-buffer)
6333 (with-current-buffer gnus-summary-buffer
6334 gnus-newsgroup-dependencies)))
6335 headers id end ref number
6336 (mail-parse-charset gnus-newsgroup-charset)
6337 (mail-parse-ignored-charsets
6338 (save-current-buffer (condition-case nil
6339 (set-buffer gnus-summary-buffer)
6341 gnus-newsgroup-ignored-charsets)))
6342 (with-current-buffer nntp-server-buffer
6343 ;; Translate all TAB characters into SPACE characters.
6344 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6345 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6346 (ietf-drums-unfold-fws)
6347 (gnus-run-hooks 'gnus-parse-headers-hook)
6348 (let ((case-fold-search t)
6349 in-reply-to header p lines chars)
6350 (goto-char (point-min))
6351 ;; Search to the beginning of the next header. Error messages
6352 ;; do not begin with 2 or 3.
6353 (while (re-search-forward "^[23][0-9]+ " nil t)
6356 ;; This implementation of this function, with nine
6357 ;; search-forwards instead of the one re-search-forward and
6358 ;; a case (which basically was the old function) is actually
6359 ;; about twice as fast, even though it looks messier. You
6360 ;; can't have everything, I guess. Speed and elegance
6361 ;; doesn't always go hand in hand.
6367 (setq number (read cur))
6370 (narrow-to-region (point)
6371 (or (and (search-forward "\n.\n" nil t)
6377 (if (search-forward "\nsubject:" nil t)
6378 (funcall gnus-decode-encoded-word-function
6379 (nnheader-header-value))
6384 (if (search-forward "\nfrom:" nil t)
6385 (funcall gnus-decode-encoded-address-function
6386 (nnheader-header-value))
6391 (if (search-forward "\ndate:" nil t)
6392 (nnheader-header-value) ""))
6396 (setq id (if (re-search-forward
6397 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6398 ;; We do it this way to make sure the Message-ID
6399 ;; is (somewhat) syntactically valid.
6400 (buffer-substring (match-beginning 1)
6402 ;; If there was no message-id, we just fake one
6403 ;; to make subsequent routines simpler.
6404 (nnheader-generate-fake-message-id number))))
6408 (if (search-forward "\nreferences:" nil t)
6412 (nnheader-header-value)
6417 (search-backward ">" end t)
6420 (search-backward "<" end t)
6422 ;; Get the references from the in-reply-to header if there
6423 ;; were no references and the in-reply-to header looks
6425 (if (and (search-forward "\nin-reply-to:" nil t)
6426 (setq in-reply-to (nnheader-header-value))
6427 (string-match "<[^>]+>" in-reply-to))
6429 (setq ref (substring in-reply-to (match-beginning 0)
6431 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6432 (setq ref2 (substring in-reply-to (match-beginning 0)
6434 (when (> (length ref2) (length ref))
6441 (if (search-forward "\nchars: " nil t)
6442 (if (numberp (setq chars (ignore-errors (read cur))))
6448 (if (search-forward "\nlines: " nil t)
6449 (if (numberp (setq lines (ignore-errors (read cur))))
6455 (and (search-forward "\nxref:" nil t)
6456 (nnheader-header-value)))
6458 (when gnus-extra-headers
6459 (let ((extra gnus-extra-headers)
6463 (when (search-forward
6464 (concat "\n" (symbol-name (car extra)) ":") nil t)
6465 (push (cons (car extra) (nnheader-header-value))
6469 (when (equal id ref)
6472 (when gnus-alter-header-function
6473 (funcall gnus-alter-header-function header)
6474 (setq id (mail-header-id header)
6475 ref (gnus-parent-id (mail-header-references header))))
6478 (gnus-dependencies-add-header
6479 header dependencies force-new))
6480 (push header headers))
6481 (goto-char (point-max))
6483 (nreverse headers)))))
6485 ;; Goes through the xover lines and returns a list of vectors
6486 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6487 force-new dependencies
6488 group also-fetch-heads)
6489 "Parse the news overview data in the server buffer.
6490 Return a list of headers that match SEQUENCE (see
6491 `nntp-retrieve-headers')."
6492 ;; Get the Xref when the users reads the articles since most/some
6493 ;; NNTP servers do not include Xrefs when using XOVER.
6494 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6495 (let ((mail-parse-charset gnus-newsgroup-charset)
6496 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6497 (cur nntp-server-buffer)
6498 (dependencies (or dependencies gnus-newsgroup-dependencies))
6500 ((eq gnus-read-all-available-headers t)
6502 ((and (stringp gnus-read-all-available-headers)
6504 (string-match gnus-read-all-available-headers group))
6507 number headers header)
6508 (with-current-buffer nntp-server-buffer
6509 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6510 ;; Allow the user to mangle the headers before parsing them.
6511 (gnus-run-hooks 'gnus-parse-headers-hook)
6512 (goto-char (point-min))
6513 (gnus-parse-without-error
6514 (while (and (or sequence allp)
6516 (setq number (read cur))
6518 (while (and sequence
6519 (< (car sequence) number))
6520 (setq sequence (cdr sequence))))
6523 (eq number (car sequence))))
6525 (setq sequence (cdr sequence))
6526 (setq header (inline
6527 (gnus-nov-parse-line
6528 number dependencies force-new)))))
6529 (push header headers))
6531 ;; A common bug in inn is that if you have posted an article and
6532 ;; then retrieves the active file, it will answer correctly --
6533 ;; the new article is included. However, a NOV entry for the
6534 ;; article may not have been generated yet, so this may fail.
6535 ;; We work around this problem by retrieving the last few
6536 ;; headers using HEAD.
6537 (if (or (not also-fetch-heads)
6539 ;; We (probably) got all the headers.
6541 (let ((gnus-nov-is-evil t))
6544 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6545 (gnus-get-newsgroup-headers))))))))
6547 (defun gnus-article-get-xrefs ()
6548 "Fill in the Xref value in `gnus-current-headers', if necessary.
6549 This is meant to be called in `gnus-article-internal-prepare-hook'."
6550 (let ((headers (with-current-buffer gnus-summary-buffer
6551 gnus-current-headers)))
6552 (or (not gnus-use-cross-reference)
6554 (and (mail-header-xref headers)
6555 (not (string= (mail-header-xref headers) "")))
6556 (let ((case-fold-search t)
6559 (nnheader-narrow-to-headers)
6560 (goto-char (point-min))
6561 (when (or (and (not (eobp))
6562 (eq (downcase (char-after)) ?x)
6563 (looking-at "Xref:"))
6564 (search-forward "\nXref:" nil t))
6565 (goto-char (1+ (match-end 0)))
6566 (setq xref (buffer-substring (point) (point-at-eol)))
6567 (mail-header-set-xref headers xref)))))))
6569 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6570 "Find article ID and insert the summary line for that article.
6571 OLD-HEADER can either be a header or a line number to insert
6572 the subject line on.
6573 If USE-OLD-HEADER is non-nil, then OLD-HEADER should be a header,
6574 and OLD-HEADER will be used when the summary line is inserted,
6575 too, instead of trying to fetch new headers."
6576 (let* ((line (and (numberp old-header) old-header))
6577 (old-header (and (vectorp old-header) old-header))
6578 (header (cond ((and old-header use-old-header)
6581 (gnus-number-to-header id))
6582 (gnus-number-to-header id))
6584 (gnus-read-header id))))
6585 (number (and (numberp id) id))
6588 ;; Rebuild the thread that this article is part of and go to the
6589 ;; article we have fetched.
6590 (when (and (not gnus-show-threads)
6593 (setq d (gnus-data-find (mail-header-number old-header))))
6594 (goto-char (gnus-data-pos d))
6600 (gnus-delete-line))))))
6601 ;; Remove list identifiers from subject.
6602 (let ((gnus-newsgroup-headers (list header)))
6603 (gnus-summary-remove-list-identifiers))
6605 (mail-header-set-number header (mail-header-number old-header)))
6606 (setq gnus-newsgroup-sparse
6607 (delq (setq number (mail-header-number header))
6608 gnus-newsgroup-sparse))
6609 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6610 (push number gnus-newsgroup-limit)
6611 (gnus-rebuild-thread (mail-header-id header) line)
6612 (gnus-summary-goto-subject number nil t))
6613 (when (and (numberp number)
6615 ;; We have to update the boundaries even if we can't fetch the
6616 ;; article if ID is a number -- so that the next `P' or `N'
6617 ;; command will fetch the previous (or next) article even
6618 ;; if the one we tried to fetch this time has been canceled.
6619 (when (> number gnus-newsgroup-end)
6620 (setq gnus-newsgroup-end number))
6621 (when (< number gnus-newsgroup-begin)
6622 (setq gnus-newsgroup-begin number))
6623 (setq gnus-newsgroup-unselected
6624 (delq number gnus-newsgroup-unselected)))
6625 ;; Report back a success?
6626 (and header (mail-header-number header))))
6628 ;;; Process/prefix in the summary buffer
6630 (defun gnus-summary-work-articles (n)
6631 "Return a list of articles to be worked upon.
6632 The prefix argument, the list of process marked articles, and the
6633 current article will be taken into consideration."
6634 (with-current-buffer gnus-summary-buffer
6637 ;; A numerical prefix has been given.
6638 (setq n (prefix-numeric-value n))
6639 (let ((backward (< n 0))
6640 (n (abs (prefix-numeric-value n)))
6645 (push (setq article (gnus-summary-article-number))
6648 (gnus-summary-find-prev nil article)
6649 (gnus-summary-find-next nil article)))
6651 (nreverse articles)))
6652 ((and (gnus-region-active-p) (mark))
6653 (message "region active")
6654 ;; Work on the region between point and mark.
6655 (let ((max (max (point) (mark)))
6658 (goto-char (min (point) (mark)))
6661 (push (setq article (gnus-summary-article-number)) articles)
6662 (gnus-summary-find-next nil article)
6664 (nreverse articles))))
6665 (gnus-newsgroup-processable
6666 ;; There are process-marked articles present.
6667 ;; Save current state.
6668 (gnus-summary-save-process-mark)
6670 (reverse gnus-newsgroup-processable))
6672 ;; Just return the current article.
6673 (list (gnus-summary-article-number))))))
6675 (defmacro gnus-summary-iterate (arg &rest forms)
6676 "Iterate over the process/prefixed articles and do FORMS.
6677 ARG is the interactive prefix given to the command. FORMS will be
6678 executed with point over the summary line of the articles."
6679 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6680 `(let ((,articles (gnus-summary-work-articles ,arg)))
6682 (gnus-summary-goto-subject (car ,articles))
6686 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6687 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6689 (defun gnus-summary-save-process-mark ()
6690 "Push the current set of process marked articles on the stack."
6692 (push (copy-sequence gnus-newsgroup-processable)
6693 gnus-newsgroup-process-stack))
6695 (defun gnus-summary-kill-process-mark ()
6696 "Push the current set of process marked articles on the stack and unmark."
6698 (gnus-summary-save-process-mark)
6699 (gnus-summary-unmark-all-processable))
6701 (defun gnus-summary-yank-process-mark ()
6702 "Pop the last process mark state off the stack and restore it."
6704 (unless gnus-newsgroup-process-stack
6705 (error "Empty mark stack"))
6706 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6708 (defun gnus-summary-process-mark-set (set)
6709 "Make SET into the current process marked articles."
6710 (gnus-summary-unmark-all-processable)
6711 (mapc 'gnus-summary-set-process-mark set))
6713 ;;; Searching and stuff
6715 (defun gnus-summary-search-group (&optional backward use-level)
6716 "Search for next unread newsgroup.
6717 If optional argument BACKWARD is non-nil, search backward instead."
6718 (with-current-buffer gnus-group-buffer
6719 (when (gnus-group-search-forward
6720 backward nil (if use-level (gnus-group-group-level) nil))
6721 (gnus-group-group-name))))
6723 (defun gnus-summary-best-group (&optional exclude-group)
6724 "Find the name of the best unread group.
6725 If EXCLUDE-GROUP, do not go to this group."
6726 (with-current-buffer gnus-group-buffer
6728 (gnus-group-best-unread-group exclude-group))))
6730 (defun gnus-summary-find-next (&optional unread article backward)
6732 (gnus-summary-find-prev unread article)
6733 (let* ((dummy (gnus-summary-article-intangible-p))
6734 (article (or article (gnus-summary-article-number)))
6735 (data (gnus-data-find-list article))
6737 (when (and (not dummy)
6738 (or (not gnus-summary-check-current)
6740 (not (gnus-data-unread-p (car data)))))
6741 (setq data (cdr data)))
6746 (unless (memq (gnus-data-number (car data))
6748 ((eq gnus-auto-goto-ignores
6749 'always-undownloaded)
6750 gnus-newsgroup-undownloaded)
6753 ((eq gnus-auto-goto-ignores
6755 gnus-newsgroup-unfetched)
6756 ((eq gnus-auto-goto-ignores
6758 gnus-newsgroup-undownloaded)))
6759 (when (gnus-data-unread-p (car data))
6760 (setq result (car data)
6762 (setq data (cdr data)))
6765 (goto-char (gnus-data-pos result))
6766 (gnus-data-number result)))))
6768 (defun gnus-summary-find-prev (&optional unread article)
6769 (let* ((eobp (eobp))
6770 (article (or article (gnus-summary-article-number)))
6771 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6773 (when (and (not eobp)
6774 (or (not gnus-summary-check-current)
6776 (not (gnus-data-unread-p (car data)))))
6777 (setq data (cdr data)))
6782 (unless (memq (gnus-data-number (car data))
6784 ((eq gnus-auto-goto-ignores
6785 'always-undownloaded)
6786 gnus-newsgroup-undownloaded)
6789 ((eq gnus-auto-goto-ignores
6791 gnus-newsgroup-unfetched)
6792 ((eq gnus-auto-goto-ignores
6794 gnus-newsgroup-undownloaded)))
6795 (when (gnus-data-unread-p (car data))
6796 (setq result (car data)
6798 (setq data (cdr data)))
6801 (goto-char (gnus-data-pos result))
6802 (gnus-data-number result))))
6804 (defun gnus-summary-find-subject (subject &optional unread backward article)
6805 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6806 (article (or article (gnus-summary-article-number)))
6807 (articles (gnus-data-list backward))
6808 (arts (gnus-data-find-list article articles))
6810 (when (or (not gnus-summary-check-current)
6812 (not (gnus-data-unread-p (car arts))))
6813 (setq arts (cdr arts)))
6815 (and (or (not unread)
6816 (gnus-data-unread-p (car arts)))
6817 (vectorp (gnus-data-header (car arts)))
6819 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6820 (setq result (car arts)
6822 (setq arts (cdr arts)))
6824 (goto-char (gnus-data-pos result))
6825 (gnus-data-number result))))
6827 (defun gnus-summary-search-forward (&optional unread subject backward)
6828 "Search forward for an article.
6829 If UNREAD, look for unread articles. If SUBJECT, look for
6830 articles with that subject. If BACKWARD, search backward instead."
6831 (cond (subject (gnus-summary-find-subject subject unread backward))
6832 (backward (gnus-summary-find-prev unread))
6833 (t (gnus-summary-find-next unread))))
6835 (defun gnus-recenter (&optional n)
6836 "Center point in window and redisplay frame.
6837 Also do horizontal recentering."
6839 (when (and gnus-auto-center-summary
6840 (not (eq gnus-auto-center-summary 'vertical)))
6841 (gnus-horizontal-recenter))
6842 (if (fboundp 'recenter-top-bottom)
6843 (recenter-top-bottom n)
6846 (put 'gnus-recenter 'isearch-scroll t)
6848 (defun gnus-forward-line-ignore-invisible (n)
6849 "Move N lines forward (backward if N is negative).
6850 Like forward-line, but skip over (and don't count) invisible lines."
6852 (while (and (> n 0) (not done))
6853 ;; If the following character is currently invisible,
6854 ;; skip all characters with that same `invisible' property value.
6855 (while (gnus-invisible-p (point))
6856 (goto-char (gnus-next-char-property-change (point))))
6861 (while (and (< n 0) (not done))
6863 (if (bobp) (setq done t)
6865 (while (and (not (bobp)) (gnus-invisible-p (1- (point))))
6866 (goto-char (gnus-previous-char-property-change (point))))))))
6868 (defun gnus-summary-recenter ()
6869 "Center point in the summary window.
6870 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6871 displayed, no centering will be performed."
6872 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6873 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6875 ;; The user has to want it.
6876 (when gnus-auto-center-summary
6877 (let* ((top (cond ((< (window-height) 4) 0)
6878 ((< (window-height) 7) 1)
6879 (t (if (numberp gnus-auto-center-summary)
6880 gnus-auto-center-summary
6881 (/ (1- (window-height)) 2)))))
6882 (height (1- (window-height)))
6883 (bottom (save-excursion
6884 (goto-char (point-max))
6885 (gnus-forward-line-ignore-invisible (- height))
6887 (window (get-buffer-window (current-buffer))))
6888 (when (get-buffer-window gnus-article-buffer)
6889 ;; Only do recentering when the article buffer is displayed,
6890 ;; Set the window start to either `bottom', which is the biggest
6891 ;; possible valid number, or the second line from the top,
6892 ;; whichever is the least.
6893 (let ((top-pos (save-excursion
6894 (gnus-forward-line-ignore-invisible (- top))
6896 (if (> bottom top-pos)
6897 ;; Keep the second line from the top visible
6898 (set-window-start window top-pos)
6899 ;; Try to keep the bottom line visible; if it's partially
6900 ;; obscured, either scroll one more line to make it fully
6901 ;; visible, or revert to using TOP-POS.
6903 (goto-char (point-max))
6904 (gnus-forward-line-ignore-invisible -1)
6905 (let ((last-line-start (point)))
6907 (set-window-start window (point) t)
6908 (when (not (pos-visible-in-window-p last-line-start window))
6909 (gnus-forward-line-ignore-invisible 1)
6910 (set-window-start window (min (point) top-pos) t)))))))
6911 ;; Do horizontal recentering while we're at it.
6912 (when (and (get-buffer-window (current-buffer) t)
6913 (not (eq gnus-auto-center-summary 'vertical)))
6914 (let ((selected (selected-window)))
6915 (select-window (get-buffer-window (current-buffer) t))
6916 (gnus-summary-position-point)
6917 (gnus-horizontal-recenter)
6918 (select-window selected))))))
6920 (defun gnus-summary-jump-to-group (newsgroup)
6921 "Move point to NEWSGROUP in group mode buffer."
6922 ;; Keep update point of group mode buffer if visible.
6923 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6924 (save-window-excursion
6925 ;; Take care of tree window mode.
6926 (when (get-buffer-window gnus-group-buffer)
6927 (pop-to-buffer gnus-group-buffer))
6928 (gnus-group-jump-to-group newsgroup))
6930 ;; Take care of tree window mode.
6931 (if (get-buffer-window gnus-group-buffer 0)
6932 (pop-to-buffer gnus-group-buffer)
6933 (set-buffer gnus-group-buffer))
6934 (gnus-group-jump-to-group newsgroup))))
6936 ;; This function returns a list of article numbers based on the
6937 ;; difference between the ranges of read articles in this group and
6938 ;; the range of active articles.
6939 (defun gnus-list-of-unread-articles (group)
6940 (let* ((read (gnus-info-read (gnus-get-info group)))
6941 (active (or (gnus-active group) (gnus-activate-group group)))
6942 (last (or (cdr active)
6943 (error "Group %s couldn't be activated " group)))
6944 (bottom (if gnus-newsgroup-maximum-articles
6946 (- last gnus-newsgroup-maximum-articles -1))
6949 ;; If none are read, then all are unread.
6952 ;; If the range of read articles is a single range, then the
6953 ;; first unread article is the article after the last read
6954 ;; article. Sounds logical, doesn't it?
6955 (if (and (not (listp (cdr read)))
6956 (or (< (car read) bottom)
6957 (progn (setq read (list read))
6959 (setq first (max bottom (1+ (cdr read))))
6960 ;; `read' is a list of ranges.
6961 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6964 (setq first bottom))
6967 (while (< first nlast)
6968 (setq unread (cons first unread)
6970 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6971 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6972 (setq read (cdr read)))))
6973 ;; And add the last unread articles.
6974 (while (<= first last)
6975 (setq unread (cons first unread)
6977 ;; Return the list of unread articles.
6978 (delq 0 (nreverse unread))))
6980 (defun gnus-list-of-read-articles (group)
6981 "Return a list of unread, unticked and non-dormant articles."
6982 (let* ((info (gnus-get-info group))
6983 (marked (gnus-info-marks info))
6984 (active (gnus-active group)))
6986 (gnus-list-range-difference
6987 (gnus-list-range-difference
6988 (gnus-sorted-complement
6989 (gnus-uncompress-range
6990 (if gnus-newsgroup-maximum-articles
6991 (cons (max (car active)
6993 gnus-newsgroup-maximum-articles
6997 (gnus-list-of-unread-articles group))
6998 (cdr (assq 'dormant marked)))
6999 (cdr (assq 'tick marked))))))
7001 ;; This function returns a sequence of article numbers based on the
7002 ;; difference between the ranges of read articles in this group and
7003 ;; the range of active articles.
7004 (defun gnus-sequence-of-unread-articles (group)
7005 (let* ((read (gnus-info-read (gnus-get-info group)))
7006 (active (or (gnus-active group) (gnus-activate-group group)))
7008 (bottom (if gnus-newsgroup-maximum-articles
7010 (- last gnus-newsgroup-maximum-articles -1))
7013 ;; If none are read, then all are unread.
7016 ;; If the range of read articles is a single range, then the
7017 ;; first unread article is the article after the last read
7018 ;; article. Sounds logical, doesn't it?
7019 (if (and (not (listp (cdr read)))
7020 (or (< (car read) bottom)
7021 (progn (setq read (list read))
7023 (setq first (max bottom (1+ (cdr read))))
7024 ;; `read' is a list of ranges.
7025 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
7028 (setq first bottom))
7031 (push (cons first nlast) unread))
7032 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
7033 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
7034 (setq read (cdr read)))))
7035 ;; And add the last unread articles.
7036 (cond ((not (and first last))
7039 (push (cons first last) unread))
7041 (push first unread)))
7042 ;; Return the sequence of unread articles.
7043 (delq 0 (nreverse unread))))
7045 ;; Various summary commands
7047 (defun gnus-summary-select-article-buffer ()
7048 "Reconfigure windows to show the article buffer.
7049 If `gnus-widen-article-window' is set, show only the article
7052 (if (not (gnus-buffer-live-p gnus-article-buffer))
7053 (error "There is no article buffer for this summary buffer")
7054 (unless (get-buffer-window gnus-article-buffer)
7055 (gnus-summary-show-article))
7056 (gnus-configure-windows
7057 (if gnus-widen-article-window
7061 (select-window (get-buffer-window gnus-article-buffer))))
7063 (defun gnus-summary-universal-argument (arg)
7064 "Perform any operation on all articles that are process/prefixed."
7066 (let ((articles (gnus-summary-work-articles arg))
7073 (substitute-command-keys
7074 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
7076 (gnus-error 1 "Undefined key")
7079 (gnus-summary-goto-subject (setq article (pop articles)))
7080 (let (gnus-newsgroup-processable)
7081 (command-execute func))
7082 (gnus-summary-remove-process-mark article)))))
7083 (gnus-summary-position-point))
7085 (defun gnus-summary-toggle-truncation (&optional arg)
7086 "Toggle truncation of summary lines.
7087 With ARG, turn line truncation on if ARG is positive."
7089 (setq truncate-lines
7090 (if (null arg) (not truncate-lines)
7091 (> (prefix-numeric-value arg) 0)))
7094 (defun gnus-summary-find-for-reselect ()
7095 "Return the number of an article to stay on across a reselect.
7096 The current article is considered, then following articles, then previous
7097 articles. An article is sought which is not cancelled and isn't a temporary
7098 insertion from another group. If there's no such then return a dummy 0."
7100 (dolist (rev '(nil t))
7101 (unless found ; don't demand the reverse list if we don't need it
7102 (let ((data (gnus-data-find-list
7103 (gnus-summary-article-number) (gnus-data-list rev))))
7104 (while (and data (not found))
7105 (if (and (< 0 (gnus-data-number (car data)))
7106 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
7107 (setq found (gnus-data-number (car data))))
7108 (setq data (cdr data))))))
7111 (defun gnus-summary-reselect-current-group (&optional all rescan)
7112 "Exit and then reselect the current newsgroup.
7113 The prefix argument ALL means to select all articles."
7115 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
7116 (error "Ephemeral groups can't be reselected"))
7117 (let ((current-subject (gnus-summary-find-for-reselect))
7118 (group gnus-newsgroup-name))
7119 (setq gnus-newsgroup-begin nil)
7120 (gnus-summary-exit nil 'leave-hidden)
7121 ;; We have to adjust the point of group mode buffer because
7122 ;; point was moved to the next unread newsgroup by exiting.
7123 (gnus-summary-jump-to-group group)
7126 (gnus-group-get-new-news-this-group 1)))
7127 (gnus-group-read-group all t)
7128 (gnus-summary-goto-subject current-subject nil t)))
7130 (defun gnus-summary-rescan-group (&optional all)
7131 "Exit the newsgroup, ask for new articles, and select the newsgroup."
7133 (let ((config gnus-current-window-configuration))
7134 (gnus-summary-reselect-current-group all t)
7135 (gnus-configure-windows config)
7136 (when (eq config 'article)
7137 (gnus-summary-select-article))))
7139 (defun gnus-summary-update-info (&optional non-destructive)
7141 (let ((group gnus-newsgroup-name))
7143 (when gnus-newsgroup-kill-headers
7144 (setq gnus-newsgroup-killed
7145 (gnus-compress-sequence
7147 (gnus-list-range-intersection
7148 gnus-newsgroup-unselected gnus-newsgroup-killed)
7149 gnus-newsgroup-unreads)
7151 (unless (listp (cdr gnus-newsgroup-killed))
7152 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
7153 (let ((headers gnus-newsgroup-headers)
7154 (ephemeral-p (gnus-ephemeral-group-p group))
7157 (setq info (copy-sequence (gnus-get-info group))
7158 info (delq (gnus-info-params info) info)))
7159 ;; Set the new ranges of read articles.
7160 (with-current-buffer gnus-group-buffer
7161 (gnus-undo-force-boundary))
7162 (gnus-update-read-articles
7163 group (gnus-sorted-union
7164 gnus-newsgroup-unreads gnus-newsgroup-unselected))
7165 ;; Set the current article marks.
7166 (let ((gnus-newsgroup-scored
7167 (if (and (not gnus-save-score)
7168 (not non-destructive))
7170 gnus-newsgroup-scored)))
7172 (gnus-update-marks)))
7173 ;; Do the cross-ref thing.
7174 (when gnus-use-cross-reference
7175 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
7176 ;; Do not switch windows but change the buffer to work.
7177 (set-buffer gnus-group-buffer)
7179 (gnus-group-update-group
7182 (setq info (copy-sequence (gnus-get-info group))
7183 info (delq (gnus-info-params info) info))))))))))
7185 (defun gnus-summary-save-newsrc (&optional force)
7186 "Save the current number of read/marked articles in the dribble buffer.
7187 The dribble buffer will then be saved.
7188 If FORCE (the prefix), also save the .newsrc file(s)."
7190 (gnus-summary-update-info t)
7192 (gnus-save-newsrc-file)
7193 (gnus-dribble-save)))
7195 (declare-function gnus-cache-write-active "gnus-cache" (&optional force))
7197 (defun gnus-summary-exit (&optional temporary leave-hidden)
7198 "Exit reading current newsgroup, and then return to group selection mode.
7199 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
7201 (gnus-set-global-variables)
7202 (when (gnus-buffer-live-p gnus-article-buffer)
7203 (with-current-buffer gnus-article-buffer
7204 (mm-destroy-parts gnus-article-mime-handles)
7205 ;; Set it to nil for safety reason.
7206 (setq gnus-article-mime-handle-alist nil)
7207 (setq gnus-article-mime-handles nil)))
7208 (gnus-kill-save-kill-buffer)
7209 (gnus-async-halt-prefetch)
7210 (let* ((group gnus-newsgroup-name)
7211 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
7212 (gnus-group-is-exiting-p t)
7213 (article-buffer gnus-article-buffer)
7216 (buf (current-buffer))
7217 ;; `gnus-single-article-buffer' is nil buffer-locally in
7218 ;; ephemeral group of which summary buffer will be killed,
7219 ;; but the global value may be non-nil.
7220 (single-article-buffer gnus-single-article-buffer))
7222 ;; Do adaptive scoring, and possibly save score files.
7223 (when gnus-newsgroup-adaptive
7224 (gnus-score-adaptive))
7225 (when gnus-use-scoring
7227 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
7228 (when gnus-use-cache
7229 (gnus-cache-possibly-remove-articles)
7230 (gnus-cache-save-buffers))
7231 (gnus-async-prefetch-remove-group group)
7232 (when gnus-suppress-duplicates
7233 (gnus-dup-enter-articles))
7234 (when gnus-use-trees
7235 (gnus-tree-close group))
7236 (when gnus-use-cache
7237 (gnus-cache-write-active))
7238 ;; Remove entries for this group.
7239 (nnmail-purge-split-history (gnus-group-real-name group))
7240 ;; Make all changes in this group permanent.
7242 (gnus-run-hooks 'gnus-exit-group-hook)
7243 (gnus-summary-update-info))
7244 (gnus-close-group group)
7245 ;; Make sure where we were, and go to next newsgroup.
7246 (set-buffer gnus-group-buffer)
7248 (gnus-group-jump-to-group group))
7249 (gnus-run-hooks 'gnus-summary-exit-hook)
7250 (unless (or quit-config
7251 (not gnus-summary-next-group-on-exit)
7252 ;; If this group has disappeared from the summary
7253 ;; buffer, don't skip forwards.
7254 (not (string= group (gnus-group-group-name))))
7255 (gnus-group-next-unread-group 1))
7256 (setq group-point (point))
7260 (if (not gnus-kill-summary-on-exit)
7262 (gnus-deaden-summary)
7264 (when (get-buffer gnus-article-buffer)
7265 (bury-buffer gnus-article-buffer))
7266 ;; Return to group mode buffer.
7267 (when (eq mode 'gnus-summary-mode)
7268 (gnus-kill-buffer buf)))
7270 (setq gnus-current-select-method gnus-select-method)
7271 (set-buffer gnus-group-buffer)
7273 (gnus-handle-ephemeral-exit quit-config)
7274 (goto-char group-point)
7275 ;; If gnus-group-buffer is already displayed, make sure we also move
7276 ;; the cursor in the window that displays it.
7277 (let ((win (get-buffer-window (current-buffer) 0)))
7278 (if win (set-window-point win (point))))
7279 (unless leave-hidden
7280 (gnus-configure-windows 'group 'force)))
7282 ;; If we have several article buffers, we kill them at exit.
7283 (unless single-article-buffer
7284 (when (gnus-buffer-live-p article-buffer)
7285 (with-current-buffer article-buffer
7286 ;; Don't kill sticky article buffers
7287 (unless (eq major-mode 'gnus-sticky-article-mode)
7288 (gnus-kill-buffer article-buffer)
7289 (setq gnus-article-current nil))))
7290 (gnus-kill-buffer gnus-original-article-buffer))
7292 ;; Clear the current group name.
7294 (setq gnus-newsgroup-name nil)))))
7296 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
7297 (defun gnus-summary-exit-no-update (&optional no-questions)
7298 "Quit reading current newsgroup without updating read article info."
7300 (let* ((group gnus-newsgroup-name)
7301 (gnus-group-is-exiting-p t)
7302 (gnus-group-is-exiting-without-update-p t)
7303 (quit-config (gnus-group-quit-config group)))
7304 (when (or no-questions
7306 (gnus-y-or-n-p "Discard changes to this group and exit? "))
7307 (gnus-async-halt-prefetch)
7308 (run-hooks 'gnus-summary-prepare-exit-hook)
7309 (when (gnus-buffer-live-p gnus-article-buffer)
7310 (with-current-buffer gnus-article-buffer
7311 (gnus-article-stop-animations)
7312 (mm-destroy-parts gnus-article-mime-handles)
7313 ;; Set it to nil for safety reason.
7314 (setq gnus-article-mime-handle-alist nil)
7315 (setq gnus-article-mime-handles nil)))
7316 ;; If we have several article buffers, we kill them at exit.
7317 (unless gnus-single-article-buffer
7318 (gnus-kill-buffer gnus-article-buffer)
7319 (gnus-kill-buffer gnus-original-article-buffer)
7320 (setq gnus-article-current nil))
7321 ;; Return to the group buffer.
7322 (gnus-configure-windows 'group 'force)
7323 (if (not gnus-kill-summary-on-exit)
7324 (gnus-deaden-summary)
7325 (gnus-close-group group)
7326 (gnus-kill-buffer gnus-summary-buffer))
7327 (unless gnus-single-article-buffer
7328 (setq gnus-article-current nil))
7329 (when gnus-use-trees
7330 (gnus-tree-close group))
7331 (gnus-async-prefetch-remove-group group)
7332 (when (get-buffer gnus-article-buffer)
7333 (bury-buffer gnus-article-buffer))
7334 ;; Clear the current group name.
7335 (setq gnus-newsgroup-name nil)
7336 (unless (gnus-ephemeral-group-p group)
7337 (gnus-group-update-group group nil t))
7338 (when (equal (gnus-group-group-name) group)
7339 (gnus-group-next-unread-group 1))
7341 (gnus-handle-ephemeral-exit quit-config)))))
7343 (defun gnus-handle-ephemeral-exit (quit-config)
7344 "Handle movement when leaving an ephemeral group.
7345 The state which existed when entering the ephemeral is reset."
7346 (if (not (buffer-name (car quit-config)))
7347 (gnus-configure-windows 'group 'force)
7348 (set-buffer (car quit-config))
7349 (unless (eq (cdr quit-config) 'group)
7350 (setq gnus-current-select-method
7351 (gnus-find-method-for-group gnus-newsgroup-name)))
7352 (cond ((eq major-mode 'gnus-summary-mode)
7353 (gnus-set-global-variables))
7354 ((eq major-mode 'gnus-article-mode)
7355 (save-current-buffer
7356 ;; The `gnus-summary-buffer' variable may point
7357 ;; to the old summary buffer when using a single
7359 (unless (gnus-buffer-live-p gnus-summary-buffer)
7360 (set-buffer gnus-group-buffer))
7361 (set-buffer gnus-summary-buffer)
7362 (gnus-set-global-variables))))
7363 (if (or (eq (cdr quit-config) 'article)
7364 (eq (cdr quit-config) 'pick))
7365 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
7366 (gnus-configure-windows 'pick 'force)
7367 (gnus-configure-windows (cdr quit-config) 'force))
7368 (gnus-configure-windows (cdr quit-config) 'force))
7369 (when (eq major-mode 'gnus-summary-mode)
7370 (if (memq gnus-auto-select-on-ephemeral-exit '(next-noselect
7371 next-unread-noselect))
7372 (when (zerop (cond ((eq gnus-auto-select-on-ephemeral-exit
7374 (gnus-summary-next-subject 1 nil t))
7375 ((eq gnus-auto-select-on-ephemeral-exit
7376 'next-unread-noselect)
7377 (gnus-summary-next-subject 1 t t))))
7378 ;; Hide the article buffer which displays the article different
7379 ;; from the one that the cursor points to in the summary buffer.
7380 (gnus-configure-windows 'summary 'force))
7381 (cond ((eq gnus-auto-select-on-ephemeral-exit 'next)
7382 (gnus-summary-next-subject 1))
7383 ((eq gnus-auto-select-on-ephemeral-exit 'next-unread)
7384 (gnus-summary-next-subject 1 t))))
7385 (gnus-summary-recenter)
7386 (gnus-summary-position-point))))
7390 (defvar gnus-dead-summary-mode-map
7391 (let ((map (make-keymap)))
7392 (suppress-keymap map)
7393 (substitute-key-definition 'undefined 'gnus-summary-wake-up-the-dead map)
7394 (dolist (key '("\C-d" "\r" "\177" [delete]))
7395 (define-key map key 'gnus-summary-wake-up-the-dead))
7396 (dolist (key '("q" "Q"))
7397 (define-key map key 'bury-buffer))
7400 (define-minor-mode gnus-dead-summary-mode
7401 "Minor mode for Gnus summary buffers."
7402 :lighter " Dead" :keymap gnus-dead-summary-mode-map
7403 (unless (derived-mode-p 'gnus-summary-mode)
7404 (setq gnus-dead-summary-mode nil)))
7406 (defun gnus-deaden-summary ()
7407 "Make the current summary buffer into a dead summary buffer."
7408 ;; Kill any previous dead summary buffer.
7409 (when (and gnus-dead-summary
7410 (buffer-name gnus-dead-summary))
7411 (with-current-buffer gnus-dead-summary
7412 (when gnus-dead-summary-mode
7413 (kill-buffer (current-buffer)))))
7414 ;; Make this the current dead summary.
7415 (setq gnus-dead-summary (current-buffer))
7416 (gnus-dead-summary-mode 1)
7417 (let ((name (buffer-name)))
7418 (when (string-match "Summary" name)
7420 (concat (substring name 0 (match-beginning 0)) "Dead "
7421 (substring name (match-beginning 0)))
7425 (defun gnus-kill-or-deaden-summary (buffer)
7426 "Kill or deaden the summary BUFFER."
7428 (when (and (buffer-name buffer)
7429 (not gnus-single-article-buffer))
7430 (with-current-buffer buffer
7431 (gnus-kill-buffer gnus-article-buffer)
7432 (gnus-kill-buffer gnus-original-article-buffer)))
7435 (gnus-kill-summary-on-exit
7436 (when (and gnus-use-trees
7437 (gnus-buffer-exists-p buffer))
7438 (with-current-buffer buffer
7439 (gnus-tree-close gnus-newsgroup-name)))
7440 (gnus-kill-buffer buffer))
7441 ;; Deaden the buffer.
7442 ((gnus-buffer-exists-p buffer)
7443 (with-current-buffer buffer
7444 (gnus-deaden-summary))))))
7446 (defun gnus-summary-wake-up-the-dead (&rest args)
7447 "Wake up the dead summary buffer."
7449 (gnus-dead-summary-mode -1)
7450 (let ((name (buffer-name)))
7451 (when (string-match "Dead " name)
7453 (concat (substring name 0 (match-beginning 0))
7454 (substring name (match-end 0)))
7456 (gnus-message 3 "This dead summary is now alive again"))
7458 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7459 (defun gnus-summary-describe-group (&optional force)
7460 "Describe the current newsgroup."
7462 (gnus-group-describe-group force gnus-newsgroup-name))
7464 (defun gnus-summary-describe-briefly ()
7465 "Describe summary mode commands briefly."
7467 (gnus-message 6 "%s" (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")))
7469 ;; Walking around group mode buffer from summary mode.
7471 (defun gnus-summary-next-group (&optional no-article target-group backward)
7472 "Exit current newsgroup and then select next unread newsgroup.
7473 If prefix argument NO-ARTICLE is non-nil, no article is selected
7474 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7475 previous group instead."
7477 ;; Stop pre-fetching.
7478 (gnus-async-halt-prefetch)
7479 (let ((current-group gnus-newsgroup-name)
7480 (current-buffer (current-buffer))
7482 ;; First we semi-exit this group to update Xrefs and all variables.
7483 ;; We can't do a real exit, because the window conf must remain
7484 ;; the same in case the user is prompted for info, and we don't
7485 ;; want the window conf to change before that...
7486 (gnus-summary-exit t)
7487 (while (not entered)
7488 ;; Then we find what group we are supposed to enter.
7489 (set-buffer gnus-group-buffer)
7490 (gnus-group-jump-to-group current-group)
7493 (if (eq gnus-keep-same-level 'best)
7494 (gnus-summary-best-group gnus-newsgroup-name)
7495 (gnus-summary-search-group backward gnus-keep-same-level))))
7496 (if (not target-group)
7497 ;; There are no further groups, so we return to the group
7500 (gnus-message 5 "Returning to the group buffer")
7502 (when (gnus-buffer-live-p current-buffer)
7503 (set-buffer current-buffer)
7504 (gnus-summary-exit))
7505 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7506 ;; We try to enter the target group.
7507 (gnus-group-jump-to-group target-group)
7508 (let ((unreads (gnus-group-group-unread)))
7509 (if (and (or (eq t unreads)
7510 (and unreads (not (zerop unreads))))
7511 (gnus-summary-read-group
7512 target-group nil no-article
7513 (and (buffer-name current-buffer) current-buffer)
7516 (setq current-group target-group
7517 target-group nil)))))))
7519 (defun gnus-summary-prev-group (&optional no-article)
7520 "Exit current newsgroup and then select previous unread newsgroup.
7521 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7523 (gnus-summary-next-group no-article nil t))
7525 ;; Walking around summary lines.
7527 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7528 "Go to the first subject satisfying any non-nil constraint.
7529 If UNREAD is non-nil, the article should be unread.
7530 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7531 If UNSEEN is non-nil, the article should be unseen as well as unread.
7532 Returns the article selected or nil if there are no matching articles."
7536 ((null gnus-newsgroup-data)
7537 (gnus-message 3 "No articles in the group")
7539 ;; Pick the first article.
7540 ((not (or unread undownloaded unseen))
7541 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7542 (gnus-data-number (car gnus-newsgroup-data)))
7543 ;; Find the first unread article.
7545 (let ((data gnus-newsgroup-data))
7547 (let ((num (gnus-data-number (car data))))
7548 (or (memq num gnus-newsgroup-unfetched)
7549 (not (or (and unread
7550 (memq num gnus-newsgroup-unreads))
7552 (memq num gnus-newsgroup-undownloaded))
7554 (memq num gnus-newsgroup-unseen)
7555 (memq num gnus-newsgroup-unreads)))))))
7556 (setq data (cdr data)))
7560 (goto-char (gnus-data-pos (car data)))
7561 (gnus-data-number (car data)))
7562 (gnus-message 3 "No more%s articles"
7563 (let* ((r (when unread " unread"))
7564 (d (when undownloaded " undownloaded"))
7565 (s (when unseen " unseen"))
7566 (l (delq nil (list r d s))))
7567 (cond ((= 3 (length l))
7568 (concat r "," d ", or" s))
7570 (concat (car l) ", or" (cadr l)))
7577 (gnus-summary-position-point))))))
7579 (defun gnus-summary-next-subject (n &optional unread dont-display)
7580 "Go to next N'th summary line.
7581 If N is negative, go to the previous N'th subject line.
7582 If UNREAD is non-nil, only unread articles are selected.
7583 The difference between N and the actual number of steps taken is
7586 (let ((backward (< n 0))
7590 (gnus-summary-find-prev unread)
7591 (gnus-summary-find-next unread)))
7592 (unless (zerop (setq n (1- n)))
7593 (gnus-summary-show-thread)))
7595 (gnus-message 7 "No more%s articles"
7596 (if unread " unread" "")))
7597 (unless dont-display
7598 (gnus-summary-recenter)
7599 (gnus-summary-position-point))
7602 (defun gnus-summary-next-unread-subject (n)
7603 "Go to next N'th unread summary line."
7605 (gnus-summary-next-subject n t))
7607 (defun gnus-summary-prev-subject (n &optional unread)
7608 "Go to previous N'th summary line.
7609 If optional argument UNREAD is non-nil, only unread article is selected."
7611 (gnus-summary-next-subject (- n) unread))
7613 (defun gnus-summary-prev-unread-subject (n)
7614 "Go to previous N'th unread summary line."
7616 (gnus-summary-next-subject (- n) t))
7618 (defun gnus-summary-goto-subjects (articles)
7619 "Insert the subject header for ARTICLES in the current buffer."
7621 (dolist (article articles)
7622 (gnus-summary-goto-subject article t)))
7623 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7624 (gnus-summary-position-point))
7626 (defun gnus-summary-goto-subject (article &optional force silent)
7627 "Go to the subject line of ARTICLE.
7628 If FORCE, also allow jumping to articles not currently shown."
7629 (interactive "nArticle number: ")
7630 (unless (numberp article)
7631 (error "Article %s is not a number" article))
7633 (data (gnus-data-find article)))
7634 ;; We read in the article if we have to.
7637 (gnus-summary-insert-subject
7639 (if (or (numberp force) (vectorp force)) force)
7641 (setq data (gnus-data-find article)))
7646 (gnus-message 3 "Can't find article %d" article))
7648 (let ((pt (gnus-data-pos data)))
7650 (gnus-summary-set-article-display-arrow pt))
7651 (gnus-summary-position-point)
7654 ;; Walking around summary lines with displaying articles.
7656 (defun gnus-summary-expand-window (&optional arg)
7657 "Make the summary buffer take up the entire Emacs frame.
7658 Given a prefix, will force an `article' buffer configuration."
7661 (gnus-configure-windows 'article 'force)
7662 (gnus-configure-windows 'summary 'force)))
7664 (defun gnus-summary-display-article (article &optional all-header)
7665 "Display ARTICLE in article buffer."
7666 (unless (and (gnus-buffer-live-p gnus-article-buffer)
7667 (with-current-buffer gnus-article-buffer
7668 (eq major-mode 'gnus-article-mode)))
7669 (gnus-article-setup-buffer))
7670 (gnus-set-global-variables)
7671 (with-current-buffer gnus-article-buffer
7672 (setq gnus-article-charset gnus-newsgroup-charset)
7673 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7674 (mm-enable-multibyte))
7678 (if gnus-summary-display-article-function
7679 (funcall gnus-summary-display-article-function article all-header)
7680 (gnus-article-prepare article all-header))
7681 (gnus-run-hooks 'gnus-select-article-hook)
7682 (when (and gnus-current-article
7683 (not (zerop gnus-current-article)))
7684 (gnus-summary-goto-subject gnus-current-article))
7685 (gnus-summary-recenter)
7686 (when (and gnus-use-trees gnus-show-threads)
7687 (gnus-possibly-generate-tree article)
7688 (gnus-highlight-selected-tree article))
7689 ;; Successfully display article.
7690 (gnus-article-set-window-start
7691 (cdr (assq article gnus-newsgroup-bookmarks))))))
7693 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7694 "Select the current article.
7695 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7696 non-nil, the article will be re-fetched even if it already present in
7697 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7699 ;; Make sure we are in the summary buffer to work around bbdb bug.
7700 (unless (eq major-mode 'gnus-summary-mode)
7701 (set-buffer gnus-summary-buffer))
7702 (let ((article (or article (gnus-summary-article-number)))
7703 (all-headers (not (not all-headers))) ;Must be t or nil.
7704 gnus-summary-display-article-function)
7706 (gnus-summary-article-pseudo-p article)
7707 (error "This is a pseudo-article"))
7708 (with-current-buffer gnus-summary-buffer
7709 (if (or (and gnus-single-article-buffer
7710 (or (null gnus-current-article)
7711 (null gnus-article-current)
7712 (null (get-buffer gnus-article-buffer))
7713 (not (eq article (cdr gnus-article-current)))
7714 (not (equal (car gnus-article-current)
7715 gnus-newsgroup-name))
7716 (not (get-buffer gnus-original-article-buffer))))
7717 (and (not gnus-single-article-buffer)
7718 (or (null gnus-current-article)
7719 (not (get-buffer gnus-original-article-buffer))
7720 (not (eq gnus-current-article article))))
7722 ;; The requested article is different from the current article.
7724 (gnus-summary-display-article article all-headers)
7725 (when (gnus-buffer-live-p gnus-article-buffer)
7726 (with-current-buffer gnus-article-buffer
7727 (if (not gnus-article-decoded-p) ;; a local variable
7728 (mm-disable-multibyte))))
7729 (gnus-article-set-window-start
7730 (cdr (assq article gnus-newsgroup-bookmarks)))
7734 (defun gnus-summary-force-verify-and-decrypt ()
7735 "Display buttons for signed/encrypted parts and verify/decrypt them."
7737 (let ((mm-verify-option 'known)
7738 (mm-decrypt-option 'known)
7739 (gnus-article-emulate-mime t)
7740 (gnus-buttonized-mime-types (append (list "multipart/signed"
7741 "multipart/encrypted")
7742 gnus-buttonized-mime-types)))
7743 (gnus-summary-select-article nil 'force)))
7745 (defun gnus-summary-set-current-mark (&optional current-mark)
7746 "Obsolete function."
7749 (defun gnus-summary-next-article (&optional unread subject backward push)
7750 "Select the next article.
7751 If UNREAD, only unread articles are selected.
7752 If SUBJECT, only articles with SUBJECT are selected.
7753 If BACKWARD, the previous article is selected instead of the next."
7755 ;; Make sure we are in the summary buffer.
7756 (unless (eq major-mode 'gnus-summary-mode)
7757 (set-buffer gnus-summary-buffer))
7759 ;; Is there such an article?
7760 ((and (gnus-summary-search-forward unread subject backward)
7761 (or (gnus-summary-display-article (gnus-summary-article-number))
7762 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7763 (gnus-summary-position-point))
7764 ;; If not, we try the first unread, if that is wanted.
7766 gnus-auto-select-same
7767 (gnus-summary-first-unread-article))
7768 (gnus-summary-position-point)
7769 (gnus-message 6 "Wrapped"))
7770 ;; Try to get next/previous article not displayed in this group.
7771 ((and gnus-auto-extend-newsgroup
7772 (not unread) (not subject))
7773 (gnus-summary-goto-article
7774 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7775 nil (count-lines (point-min) (point))))
7776 ;; Go to next/previous group.
7778 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7779 (gnus-summary-jump-to-group gnus-newsgroup-name))
7780 (let ((cmd (if (featurep 'xemacs)
7782 last-command-event))
7784 (with-current-buffer gnus-group-buffer
7786 (current-summary (current-buffer))
7788 (if (eq gnus-keep-same-level 'best)
7789 (gnus-summary-best-group gnus-newsgroup-name)
7790 (gnus-summary-search-group backward gnus-keep-same-level))))
7791 ;; Select next unread newsgroup automagically.
7793 ((or (not gnus-auto-select-next)
7795 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7796 ((or (eq gnus-auto-select-next 'quietly)
7797 (and (eq gnus-auto-select-next 'slightly-quietly)
7799 (and (eq gnus-auto-select-next 'almost-quietly)
7800 (gnus-summary-last-article-p)))
7802 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7804 (gnus-message 7 "No more%s articles (%s)..."
7805 (if unread " unread" "")
7806 (if group (concat "selecting " group)
7808 (gnus-summary-next-group nil group backward)))
7810 (when (gnus-key-press-event-p last-input-event)
7811 ;; Somehow or other, we may now have selected a different
7812 ;; window. Make point go back to the summary buffer.
7813 (when (eq current-summary (current-buffer))
7814 ;; FIXME: This burps when get-buffer-window returns nil.
7815 (select-window (get-buffer-window current-summary 0)))
7816 (gnus-summary-walk-group-buffer
7817 gnus-newsgroup-name cmd unread backward point))))))))
7819 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7820 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7821 (?\C-p (gnus-group-prev-unread-group 1))))
7822 (cursor-in-echo-area t)
7823 keve key group ended prompt)
7824 (with-current-buffer gnus-group-buffer
7827 (if (eq gnus-keep-same-level 'best)
7828 (gnus-summary-best-group gnus-newsgroup-name)
7829 (gnus-summary-search-group backward gnus-keep-same-level))))
7833 "No more%s articles%s " (if unread " unread" "")
7835 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7836 (format " (Type %s for %s [%s])"
7837 (single-key-description cmd)
7838 (gnus-group-decoded-name group)
7839 (gnus-group-unread group))
7840 (format " (Type %s to exit %s)"
7841 (single-key-description cmd)
7842 (gnus-group-decoded-name gnus-newsgroup-name)))))
7843 ;; Confirm auto selection.
7844 (setq key (car (setq keve (gnus-read-event-char prompt)))
7847 ((assq key keystrokes)
7848 (let ((obuf (current-buffer)))
7849 (switch-to-buffer gnus-group-buffer)
7851 (gnus-group-jump-to-group group))
7852 (eval (cadr (assq key keystrokes)))
7853 (setq group (gnus-group-group-name))
7854 (switch-to-buffer obuf))
7858 (gnus-ephemeral-group-p gnus-newsgroup-name))
7860 (gnus-summary-next-group nil group backward)))
7862 (push (cdr keve) unread-command-events))))))
7864 (defun gnus-summary-next-unread-article ()
7865 "Select unread article after current one."
7867 (gnus-summary-next-article
7868 (or (not (eq gnus-summary-goto-unread 'never))
7869 (gnus-summary-last-article-p (gnus-summary-article-number)))
7870 (and gnus-auto-select-same
7871 (gnus-summary-article-subject))))
7873 (defun gnus-summary-prev-article (&optional unread subject)
7874 "Select the article before the current one.
7875 If UNREAD is non-nil, only unread articles are selected."
7877 (gnus-summary-next-article unread subject t))
7879 (defun gnus-summary-prev-unread-article ()
7880 "Select unread article before current one."
7882 (gnus-summary-prev-article
7883 (or (not (eq gnus-summary-goto-unread 'never))
7884 (gnus-summary-first-article-p (gnus-summary-article-number)))
7885 (and gnus-auto-select-same
7886 (gnus-summary-article-subject))))
7888 (defun gnus-summary-next-page (&optional lines circular stop)
7889 "Show next page of the selected article.
7890 If at the end of the current article, select the next article.
7891 LINES says how many lines should be scrolled up.
7893 If CIRCULAR is non-nil, go to the start of the article instead of
7894 selecting the next article when reaching the end of the current
7897 If STOP is non-nil, just stop when reaching the end of the message.
7899 Also see the variable `gnus-article-skip-boring'."
7901 (setq gnus-summary-buffer (current-buffer))
7902 (gnus-set-global-variables)
7903 (let ((article (gnus-summary-article-number))
7904 (article-window (get-buffer-window gnus-article-buffer t))
7906 ;; If the buffer is empty, we have no article.
7908 (error "No article to select"))
7909 (gnus-configure-windows 'article)
7910 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7911 (if (and (eq gnus-summary-goto-unread 'never)
7912 (not (gnus-summary-last-article-p article)))
7913 (gnus-summary-next-article)
7914 (gnus-summary-next-unread-article))
7915 (if (or (null gnus-current-article)
7916 (null gnus-article-current)
7917 (/= article (cdr gnus-article-current))
7918 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7919 ;; Selected subject is different from current article's.
7920 (gnus-summary-display-article article)
7921 (when article-window
7922 (gnus-eval-in-buffer-window gnus-article-buffer
7923 (setq endp (or (gnus-article-next-page lines)
7924 (gnus-article-only-boring-p))))
7926 (cond ((or stop gnus-summary-stop-at-end-of-message)
7927 (gnus-message 3 "End of message"))
7929 (gnus-summary-beginning-of-article))
7931 (gnus-message 3 "End of message"))
7933 (if (and (eq gnus-summary-goto-unread 'never)
7934 (not (gnus-summary-last-article-p article)))
7935 (gnus-summary-next-article)
7936 (gnus-summary-next-unread-article))))))))
7937 (gnus-summary-recenter)
7938 (gnus-summary-position-point)))
7940 (defun gnus-summary-prev-page (&optional lines move)
7941 "Show previous page of selected article.
7942 Argument LINES specifies lines to be scrolled down.
7943 If MOVE, move to the previous unread article if point is at
7944 the beginning of the buffer."
7946 (let ((article (gnus-summary-article-number))
7947 (article-window (get-buffer-window gnus-article-buffer t))
7949 (gnus-configure-windows 'article)
7950 (if (or (null gnus-current-article)
7951 (null gnus-article-current)
7952 (/= article (cdr gnus-article-current))
7953 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7954 ;; Selected subject is different from current article's.
7955 (gnus-summary-display-article article)
7956 (gnus-summary-recenter)
7957 (when article-window
7958 (gnus-eval-in-buffer-window gnus-article-buffer
7959 (setq endp (gnus-article-prev-page lines)))
7960 (when (and move endp)
7962 (gnus-message 3 "Beginning of message"))
7964 (if (and (eq gnus-summary-goto-unread 'never)
7965 (not (gnus-summary-first-article-p article)))
7966 (gnus-summary-prev-article)
7967 (gnus-summary-prev-unread-article))))))))
7968 (gnus-summary-position-point))
7970 (defun gnus-summary-prev-page-or-article (&optional lines)
7971 "Show previous page of selected article.
7972 Argument LINES specifies lines to be scrolled down.
7973 If at the beginning of the article, go to the next article."
7975 (gnus-summary-prev-page lines t))
7977 (defun gnus-summary-scroll-up (lines)
7978 "Scroll up (or down) one line current article.
7979 Argument LINES specifies lines to be scrolled up (or down if negative).
7980 If no article is selected, then the current article will be selected first."
7982 (gnus-configure-windows 'article)
7983 (gnus-summary-show-thread)
7984 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7985 (gnus-eval-in-buffer-window gnus-article-buffer
7987 (when (gnus-article-next-page lines)
7988 (gnus-message 3 "End of message")))
7990 (gnus-article-prev-page (- lines))))))
7991 (gnus-summary-recenter)
7992 (gnus-summary-position-point))
7994 (defun gnus-summary-scroll-down (lines)
7995 "Scroll down (or up) one line current article.
7996 Argument LINES specifies lines to be scrolled down (or up if negative).
7997 If no article is selected, then the current article will be selected first."
7999 (gnus-summary-scroll-up (- lines)))
8001 (defun gnus-summary-next-same-subject ()
8002 "Select next article which has the same subject as current one."
8004 (gnus-summary-next-article nil (gnus-summary-article-subject)))
8006 (defun gnus-summary-prev-same-subject ()
8007 "Select previous article which has the same subject as current one."
8009 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
8011 (defun gnus-summary-next-unread-same-subject ()
8012 "Select next unread article which has the same subject as current one."
8014 (gnus-summary-next-article t (gnus-summary-article-subject)))
8016 (defun gnus-summary-prev-unread-same-subject ()
8017 "Select previous unread article which has the same subject as current one."
8019 (gnus-summary-prev-article t (gnus-summary-article-subject)))
8021 (defun gnus-summary-first-unread-article ()
8022 "Select the first unread article.
8023 Return nil if there are no unread articles."
8026 (when (gnus-summary-first-subject t)
8027 (gnus-summary-show-thread)
8028 (gnus-summary-first-subject t)
8029 (gnus-summary-display-article (gnus-summary-article-number)))
8030 (gnus-summary-position-point)))
8032 (defun gnus-summary-first-unread-subject ()
8033 "Place the point on the subject line of the first unread article.
8034 Return nil if there are no unread articles."
8037 (when (gnus-summary-first-subject t)
8038 (gnus-summary-show-thread)
8039 (gnus-summary-first-subject t))
8040 (gnus-summary-position-point)))
8042 (defun gnus-summary-first-unseen-subject ()
8043 "Place the point on the subject line of the first unseen article.
8044 Return nil if there are no unseen articles."
8047 (when (gnus-summary-first-subject nil nil t)
8048 (gnus-summary-show-thread)
8049 (gnus-summary-first-subject nil nil t))
8050 (gnus-summary-position-point)))
8052 (defun gnus-summary-first-unseen-or-unread-subject ()
8053 "Place the point on the subject line of the first unseen and unread article.
8054 If all article have been seen, on the subject line of the first unread
8058 (unless (when (gnus-summary-first-subject nil nil t)
8059 (gnus-summary-show-thread)
8060 (gnus-summary-first-subject nil nil t))
8061 (when (gnus-summary-first-subject t)
8062 (gnus-summary-show-thread)
8063 (gnus-summary-first-subject t)))
8064 (gnus-summary-position-point)))
8066 (defun gnus-summary-first-article ()
8067 "Select the first article.
8068 Return nil if there are no articles."
8071 (when (gnus-summary-first-subject)
8072 (gnus-summary-show-thread)
8073 (gnus-summary-first-subject)
8074 (gnus-summary-display-article (gnus-summary-article-number)))
8075 (gnus-summary-position-point)))
8077 (defun gnus-summary-best-unread-article (&optional arg)
8078 "Select the unread article with the highest score.
8079 If given a prefix argument, select the next unread article that has a
8080 score higher than the default score."
8082 (let ((article (if arg
8083 (gnus-summary-better-unread-subject)
8084 (gnus-summary-best-unread-subject))))
8086 (gnus-summary-goto-article article)
8087 (error "No unread articles"))))
8089 (defun gnus-summary-best-unread-subject ()
8090 "Select the unread subject with the highest score."
8092 (let ((best -1000000)
8093 (data gnus-newsgroup-data)
8096 (and (gnus-data-unread-p (car data))
8098 (gnus-summary-article-score (gnus-data-number (car data))))
8101 article (gnus-data-number (car data))))
8102 (setq data (cdr data)))
8104 (gnus-summary-goto-subject article))
8105 (gnus-summary-position-point)
8108 (defun gnus-summary-better-unread-subject ()
8109 "Select the first unread subject that has a score over the default score."
8111 (let ((data gnus-newsgroup-data)
8113 (while (and (setq article (gnus-data-number (car data)))
8114 (or (gnus-data-read-p (car data))
8115 (not (> (gnus-summary-article-score article)
8116 gnus-summary-default-score))))
8117 (setq data (cdr data)))
8119 (gnus-summary-goto-subject article))
8120 (gnus-summary-position-point)
8123 (defun gnus-summary-last-subject ()
8124 "Go to the last displayed subject line in the group."
8125 (let ((article (gnus-data-number (car (gnus-data-list t)))))
8127 (gnus-summary-goto-subject article))))
8129 (defun gnus-summary-goto-article (article &optional all-headers force)
8130 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
8131 If ALL-HEADERS is non-nil, no header lines are hidden.
8132 If FORCE, go to the article even if it isn't displayed. If FORCE
8133 is a number, it is the line the article is to be displayed on."
8136 (gnus-completing-read
8137 "Article number or Message-ID"
8138 (mapcar 'int-to-string gnus-newsgroup-limit))
8142 (if (and (stringp article)
8143 (string-match "@\\|%40" article))
8144 (gnus-summary-refer-article article)
8145 (when (stringp article)
8146 (setq article (string-to-number article)))
8147 (if (gnus-summary-goto-subject article force)
8148 (gnus-summary-display-article article all-headers)
8149 (gnus-message 4 "Couldn't go to article %s" article) nil))
8150 (gnus-summary-position-point)))
8152 (defun gnus-summary-goto-last-article ()
8153 "Go to the previously read article."
8156 (when gnus-last-article
8157 (gnus-summary-goto-article gnus-last-article nil t))
8158 (gnus-summary-position-point)))
8160 (defun gnus-summary-pop-article (number)
8161 "Pop one article off the history and go to the previous.
8162 NUMBER articles will be popped off."
8165 (setq gnus-newsgroup-history
8166 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
8168 (gnus-summary-goto-article (car to) nil t)
8169 (error "Article history empty")))
8170 (gnus-summary-position-point))
8172 ;; Summary commands and functions for limiting the summary buffer.
8174 (defun gnus-summary-limit-to-articles (n)
8175 "Limit the summary buffer to the next N articles.
8176 If not given a prefix, use the process marked articles instead."
8179 (let ((articles (gnus-summary-work-articles n)))
8180 (setq gnus-newsgroup-processable nil)
8181 (gnus-summary-limit articles))
8182 (gnus-summary-position-point)))
8184 (defun gnus-summary-pop-limit (&optional total)
8185 "Restore the previous limit.
8186 If given a prefix, remove all limits."
8189 (setq gnus-newsgroup-limits
8190 (list (mapcar (lambda (h) (mail-header-number h))
8191 gnus-newsgroup-headers))))
8192 (unless gnus-newsgroup-limits
8193 (error "No limit to pop"))
8195 (gnus-summary-limit nil 'pop)
8196 (gnus-summary-position-point)))
8198 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
8199 "Limit the summary buffer to articles that have subjects that match a regexp.
8200 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
8202 (list (read-string (if current-prefix-arg
8203 "Exclude subject (regexp): "
8204 "Limit to subject (regexp): "))
8205 nil current-prefix-arg))
8207 (setq header "subject"))
8208 (when (not (equal "" subject))
8210 (let ((articles (gnus-summary-find-matching
8211 (or header "subject") subject 'all nil nil
8214 (error "Found no matches for \"%s\"" subject))
8215 (gnus-summary-limit articles))
8216 (gnus-summary-position-point))))
8218 (defun gnus-summary-limit-to-author (from &optional not-matching)
8219 "Limit the summary buffer to articles that have authors that match a regexp.
8220 If NOT-MATCHING, excluding articles that have authors that match a regexp."
8222 (list (read-string (if current-prefix-arg
8223 "Exclude author (regexp): "
8224 "Limit to author (regexp): "))
8225 current-prefix-arg))
8226 (gnus-summary-limit-to-subject from "from" not-matching))
8228 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
8229 "Limit the summary buffer to articles with the given RECIPIENT.
8231 If NOT-MATCHING, exclude RECIPIENT.
8233 To and Cc headers are checked. You need to include them in
8234 `nnmail-extra-headers'."
8235 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
8237 (list (read-string (format "%s recipient (regexp): "
8238 (if current-prefix-arg "Exclude" "Limit to")))
8239 current-prefix-arg))
8240 (when (not (equal "" recipient))
8242 (if (memq 'To nnmail-extra-headers)
8243 (gnus-summary-find-matching
8244 (cons 'extra 'To) recipient 'all nil nil
8247 1 "`To' isn't present in `nnmail-extra-headers'")
8251 (if (memq 'Cc nnmail-extra-headers)
8252 (gnus-summary-find-matching
8253 (cons 'extra 'Cc) recipient 'all nil nil
8256 1 "`Cc' isn't present in `nnmail-extra-headers'")
8261 ;; We need the numbers that are in both lists:
8263 (and (memq a to) a))
8267 (error "Found no matches for \"%s\"" recipient))
8268 (gnus-summary-limit articles))
8269 (gnus-summary-position-point))))
8271 (defun gnus-summary-limit-to-address (address &optional not-matching)
8272 "Limit the summary buffer to articles with the given ADDRESS.
8274 If NOT-MATCHING, exclude ADDRESS.
8276 To, Cc and From headers are checked. You need to include `To' and `Cc'
8277 in `nnmail-extra-headers'."
8279 (list (read-string (format "%s address (regexp): "
8280 (if current-prefix-arg "Exclude" "Limit to")))
8281 current-prefix-arg))
8282 (when (not (equal "" address))
8284 (if (memq 'To nnmail-extra-headers)
8285 (gnus-summary-find-matching
8286 (cons 'extra 'To) address 'all nil nil
8289 1 "`To' isn't present in `nnmail-extra-headers'")
8293 (if (memq 'Cc nnmail-extra-headers)
8294 (gnus-summary-find-matching
8295 (cons 'extra 'Cc) address 'all nil nil
8298 1 "`Cc' isn't present in `nnmail-extra-headers'")
8302 (gnus-summary-find-matching "from" address
8303 'all nil nil not-matching))
8306 ;; We need the numbers that are in all lists:
8310 (mapcar (lambda (a) (car (memq a from))) to))
8312 (mapcar (lambda (a) (car (memq a from))) cc)
8313 (mapcar (lambda (a) (car (memq a from)))
8314 (mapcar (lambda (a) (car (memq a to)))
8316 (nconc (if (eq to t) nil to)
8317 (if (eq cc t) nil cc)
8320 (error "Found no matches for \"%s\"" address))
8321 (gnus-summary-limit articles))
8322 (gnus-summary-position-point))))
8324 (defun gnus-summary-limit-strange-charsets-predicate (header)
8325 (when (fboundp 'char-charset)
8326 (let ((string (concat (mail-header-subject header)
8327 (mail-header-from header)))
8329 (dotimes (i (1- (length string)))
8330 (setq charset (format "%s" (char-charset (aref string (1+ i)))))
8331 (when (string-match "unicode\\|big\\|japanese" charset)
8335 (defun gnus-summary-limit-to-predicate (predicate)
8336 "Limit to articles where PREDICATE returns non-nil.
8337 PREDICATE will be called with the header structures of the
8339 (let ((articles nil)
8340 (case-fold-search t))
8341 (dolist (header gnus-newsgroup-headers)
8342 (when (funcall predicate header)
8343 (push (mail-header-number header) articles)))
8344 (gnus-summary-limit (nreverse articles))))
8346 (defun gnus-summary-limit-to-age (age &optional younger-p)
8347 "Limit the summary buffer to articles that are older than (or equal) AGE days.
8348 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
8349 articles that are younger than AGE days."
8351 (let ((younger current-prefix-arg)
8354 (while (not days-got)
8355 (setq days (if younger
8356 (read-string "Limit to articles younger than (in days, older when negative): ")
8358 "Limit to articles older than (in days, younger when negative): ")))
8359 (when (> (length days) 0)
8360 (setq days (read days)))
8365 (setq younger (not younger))
8366 (setq days (* days -1))))
8367 (message "Please enter a number.")
8369 (list days younger)))
8371 (let ((data gnus-newsgroup-data)
8372 (cutoff (days-to-time age))
8373 articles d date is-younger)
8374 (while (setq d (pop data))
8375 (when (and (vectorp (gnus-data-header d))
8376 (setq date (mail-header-date (gnus-data-header d))))
8377 (setq is-younger (time-less-p
8378 (time-since (gnus-date-get-time date))
8383 (push (gnus-data-number d) articles))))
8384 (gnus-summary-limit (nreverse articles)))
8385 (gnus-summary-position-point)))
8387 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
8388 "Limit the summary buffer to articles that match an 'extra' header."
8392 (gnus-completing-read
8393 (if current-prefix-arg
8394 "Exclude extra header"
8395 "Limit extra header")
8396 (mapcar 'symbol-name gnus-extra-headers)
8398 (symbol-name (car gnus-extra-headers))))))
8400 (read-string (format "%s header %s (regexp): "
8401 (if current-prefix-arg "Exclude" "Limit to")
8403 current-prefix-arg)))
8404 (when (not (equal "" regexp))
8406 (let ((articles (gnus-summary-find-matching
8407 (cons 'extra header) regexp 'all nil nil
8410 (error "Found no matches for \"%s\"" regexp))
8411 (gnus-summary-limit articles))
8412 (gnus-summary-position-point))))
8414 (defun gnus-summary-limit-to-display-predicate ()
8415 "Limit the summary buffer to the predicated in the `display' group parameter."
8417 (unless gnus-newsgroup-display
8418 (error "There is no `display' group parameter"))
8420 (dolist (gnus-number gnus-newsgroup-articles)
8421 (when (funcall gnus-newsgroup-display)
8422 (push gnus-number articles)))
8423 (gnus-summary-limit articles))
8424 (gnus-summary-position-point))
8426 (defun gnus-summary-limit-to-unread (&optional all)
8427 "Limit the summary buffer to articles that are not marked as read.
8428 If ALL is non-nil, limit strictly to unread articles."
8431 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
8432 (gnus-summary-limit-to-marks
8433 ;; Concat all the marks that say that an article is read and have
8435 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
8436 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
8437 gnus-low-score-mark gnus-expirable-mark
8438 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
8439 gnus-duplicate-mark)
8442 (defun gnus-summary-limit-to-headers (match &optional reverse)
8443 "Limit the summary buffer to articles that have headers that match MATCH.
8444 If REVERSE (the prefix), limit to articles that don't match."
8445 (interactive "sMatch headers (regexp): \nP")
8446 (gnus-summary-limit-to-bodies match reverse t))
8448 (defun gnus-summary-limit-to-bodies (match &optional reverse headersp)
8449 "Limit the summary buffer to articles that have bodies that match MATCH.
8450 If REVERSE (the prefix), limit to articles that don't match."
8451 (interactive "sMatch body (regexp): \nP")
8452 (let ((articles nil)
8453 (gnus-select-article-hook nil) ;Disable hook.
8454 (gnus-article-prepare-hook nil)
8455 (gnus-use-article-prefetch nil)
8456 (gnus-keep-backlog nil)
8457 (gnus-break-pages nil)
8458 (gnus-summary-display-arrow nil)
8459 (gnus-updated-mode-lines nil)
8460 (gnus-auto-center-summary nil)
8461 (gnus-display-mime-function nil))
8462 (dolist (data gnus-newsgroup-data)
8463 (let (gnus-mark-article-hook)
8464 (gnus-summary-select-article t t nil (gnus-data-number data)))
8465 (with-current-buffer gnus-article-buffer
8467 (let* ((case-fold-search t)
8469 (re-search-backward match nil t)
8470 (re-search-forward match nil t))))
8471 (when (or (and found
8475 (push (gnus-data-number data) articles)))))
8477 (message "No messages matched")
8478 (gnus-summary-limit articles)))
8479 (gnus-summary-position-point))
8481 (defun gnus-summary-limit-to-singletons (&optional threadsp)
8482 "Limit the summary buffer to articles that aren't part on any thread.
8483 If THREADSP (the prefix), limit to articles that are in threads."
8485 (let ((articles nil)
8488 (dolist (thread gnus-newsgroup-threads)
8489 (if (stringp (car thread))
8490 (dolist (thread (cdr thread))
8491 (push thread threads))
8492 (push thread threads)))
8493 (dolist (thread threads)
8494 (setq thread-articles (gnus-articles-in-thread thread))
8495 (when (or (and threadsp
8496 (> (length thread-articles) 1))
8498 (= (length thread-articles) 1)))
8499 (setq articles (nconc thread-articles articles))))
8501 (message "No messages matched")
8502 (gnus-summary-limit articles))
8503 (gnus-summary-position-point)))
8505 (defun gnus-summary-limit-to-replied (&optional unreplied)
8506 "Limit the summary buffer to replied articles.
8507 If UNREPLIED (the prefix), limit to unreplied articles."
8511 (gnus-set-difference gnus-newsgroup-articles
8512 gnus-newsgroup-replied))
8513 (gnus-summary-limit gnus-newsgroup-replied))
8514 (gnus-summary-position-point))
8516 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8517 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8518 If REVERSE, limit the summary buffer to articles that are marked
8519 with MARKS. MARKS can either be a string of marks or a list of marks.
8520 Returns how many articles were removed."
8521 (interactive "sMarks: ")
8522 (gnus-summary-limit-to-marks marks t))
8524 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8525 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8526 If REVERSE (the prefix), limit the summary buffer to articles that are
8527 not marked with MARKS. MARKS can either be a string of marks or a
8529 Returns how many articles were removed."
8530 (interactive "sMarks: \nP")
8532 (let ((data gnus-newsgroup-data)
8533 (marks (if (listp marks) marks
8534 (append marks nil))) ; Transform to list.
8537 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8538 (memq (gnus-data-mark (car data)) marks))
8539 (push (gnus-data-number (car data)) articles))
8540 (setq data (cdr data)))
8541 (gnus-summary-limit articles))
8542 (gnus-summary-position-point)))
8544 (defun gnus-summary-limit-to-score (score)
8545 "Limit to articles with score at or above SCORE."
8546 (interactive "NLimit to articles with score of at least: ")
8547 (let ((data gnus-newsgroup-data)
8550 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8552 (push (gnus-data-number (car data)) articles))
8553 (setq data (cdr data)))
8555 (gnus-summary-limit articles)
8556 (gnus-summary-position-point))))
8558 (defun gnus-summary-limit-to-unseen ()
8559 "Limit to unseen articles."
8562 (gnus-summary-limit gnus-newsgroup-unseen)
8563 (gnus-summary-position-point)))
8565 (defun gnus-summary-limit-include-thread (id)
8566 "Display all the hidden articles that is in the thread with ID in it.
8567 When called interactively, ID is the Message-ID of the current
8569 (interactive (list (mail-header-id (gnus-summary-article-header))))
8570 (let ((articles (gnus-articles-in-thread
8571 (gnus-id-to-thread (gnus-root-id id))))
8572 ;;we REALLY want the whole thread---this prevents cut-threads
8573 ;;from removing the thread we want to include.
8574 (gnus-fetch-old-headers nil)
8575 (gnus-build-sparse-threads nil))
8577 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8578 (gnus-summary-limit-include-matching-articles
8580 (regexp-quote (gnus-simplify-subject-re
8581 (mail-header-subject (gnus-id-to-header id)))))
8582 (gnus-summary-position-point))))
8584 (defun gnus-summary-limit-include-matching-articles (header regexp)
8585 "Display all the hidden articles that have HEADERs that match REGEXP."
8586 (interactive (list (read-string "Match on header: ")
8587 (read-string "Regexp: ")))
8588 (let ((articles (gnus-find-matching-articles header regexp)))
8590 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8591 (gnus-summary-position-point))))
8593 (defun gnus-summary-insert-dormant-articles ()
8594 "Insert all the dormant articles for this group into the current buffer."
8596 (let ((gnus-verbose (max 6 gnus-verbose)))
8597 (if (not gnus-newsgroup-dormant)
8598 (gnus-message 3 "No dormant articles for this group")
8599 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8601 (defun gnus-summary-insert-ticked-articles ()
8602 "Insert ticked articles for this group into the current buffer."
8604 (let ((gnus-verbose (max 6 gnus-verbose)))
8605 (if (not gnus-newsgroup-marked)
8606 (gnus-message 3 "No ticked articles for this group")
8607 (gnus-summary-goto-subjects gnus-newsgroup-marked))))
8609 (defun gnus-summary-limit-include-dormant ()
8610 "Display all the hidden articles that are marked as dormant.
8611 Note that this command only works on a subset of the articles currently
8612 fetched for this group."
8614 (unless gnus-newsgroup-dormant
8615 (error "There are no dormant articles in this group"))
8617 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8618 (gnus-summary-position-point)))
8620 (defun gnus-summary-include-articles (articles)
8621 "Fetch the headers for ARTICLES and then display the summary lines."
8622 (let ((gnus-inhibit-demon t)
8624 (gnus-read-all-available-headers t))
8625 (setq gnus-newsgroup-headers
8627 'list gnus-newsgroup-headers
8628 (gnus-fetch-headers articles nil t)
8629 'gnus-article-sort-by-number))
8630 (gnus-summary-limit (append articles gnus-newsgroup-limit))))
8632 (defun gnus-summary-limit-exclude-dormant ()
8633 "Hide all dormant articles."
8636 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8637 (gnus-summary-position-point)))
8639 (defun gnus-summary-limit-exclude-childless-dormant ()
8640 "Hide all dormant articles that have no children."
8642 (let ((data (gnus-data-list t))
8643 articles d children)
8644 ;; Find all articles that are either not dormant or have
8646 (while (setq d (pop data))
8647 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8649 (gnus-article-children (gnus-data-number d)))
8652 (when (memq (car children) articles)
8657 (push (gnus-data-number d) articles)))
8660 (gnus-summary-limit articles)
8661 (gnus-summary-position-point))))
8663 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8664 "Mark all unread excluded articles as read.
8665 If ALL, mark even excluded ticked and dormants as read."
8667 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8668 (let ((articles (gnus-sorted-ndifference
8670 (mapcar (lambda (h) (mail-header-number h))
8671 gnus-newsgroup-headers)
8673 gnus-newsgroup-limit))
8675 (setq gnus-newsgroup-unreads
8676 (gnus-sorted-intersection gnus-newsgroup-unreads
8677 gnus-newsgroup-limit))
8679 (setq gnus-newsgroup-dormant nil
8680 gnus-newsgroup-marked nil
8681 gnus-newsgroup-reads
8683 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8684 gnus-newsgroup-reads))
8685 (while (setq article (pop articles))
8686 (unless (or (memq article gnus-newsgroup-dormant)
8687 (memq article gnus-newsgroup-marked))
8688 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8690 (defun gnus-summary-limit (articles &optional pop)
8692 ;; We pop the previous limit off the stack and use that.
8693 (setq articles (car gnus-newsgroup-limits)
8694 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8695 ;; We use the new limit, so we push the old limit on the stack.
8696 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8698 (setq gnus-newsgroup-limit articles)
8699 (let ((total (length gnus-newsgroup-data))
8700 (data (gnus-data-find-list (gnus-summary-article-number)))
8701 (gnus-summary-mark-below nil) ; Inhibit this.
8703 ;; This will do all the work of generating the new summary buffer
8704 ;; according to the new limit.
8705 (gnus-summary-prepare)
8706 ;; Hide any threads, possibly.
8707 (gnus-summary-maybe-hide-threads)
8708 ;; Try to return to the article you were at, or one in the
8711 ;; We try to find some article after the current one.
8713 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8716 (setq data (cdr data))))
8718 ;; If there is no data, that means that we were after the last
8719 ;; article. The same goes when we can't find any articles
8720 ;; after the current one.
8721 (goto-char (point-max))
8722 (gnus-summary-find-prev))
8723 (gnus-set-mode-line 'summary)
8724 ;; We return how many articles were removed from the summary
8725 ;; buffer as a result of the new limit.
8726 (- total (length gnus-newsgroup-data))))
8728 (defsubst gnus-invisible-cut-children (threads)
8731 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8736 (defsubst gnus-cut-thread (thread)
8737 "Go forwards in the thread until we find an article that we want to display."
8738 (when (or (eq gnus-fetch-old-headers 'some)
8739 (eq gnus-fetch-old-headers 'invisible)
8740 (numberp gnus-fetch-old-headers)
8741 (eq gnus-build-sparse-threads 'some)
8742 (eq gnus-build-sparse-threads 'more))
8743 ;; Deal with old-fetched headers and sparse threads.
8747 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8748 (gnus-summary-article-ancient-p
8749 (mail-header-number (car thread))))
8750 (if (or (<= (length (cdr thread)) 1)
8751 (eq gnus-fetch-old-headers 'invisible))
8752 (setq gnus-newsgroup-limit
8753 (delq (mail-header-number (car thread))
8754 gnus-newsgroup-limit)
8755 thread (cadr thread))
8756 (when (gnus-invisible-cut-children (cdr thread))
8757 (let ((th (cdr thread)))
8759 (if (memq (mail-header-number (caar th))
8760 gnus-newsgroup-limit)
8761 (setq thread (car th)
8763 (setq th (cdr th))))))))))
8766 (defun gnus-cut-threads (threads)
8767 "Cut off all uninteresting articles from the beginning of THREADS."
8768 (when (or (eq gnus-fetch-old-headers 'some)
8769 (eq gnus-fetch-old-headers 'invisible)
8770 (numberp gnus-fetch-old-headers)
8771 (eq gnus-build-sparse-threads 'some)
8772 (eq gnus-build-sparse-threads 'more))
8775 (setcar th (gnus-cut-thread (car th)))
8776 (setq th (cdr th)))))
8777 ;; Remove nixed out threads.
8780 (defun gnus-summary-initial-limit (&optional show-if-empty)
8781 "Figure out what the initial limit is supposed to be on group entry.
8782 This entails weeding out unwanted dormants, low-scored articles,
8783 fetch-old-headers verbiage, and so on."
8784 ;; Most groups have nothing to remove.
8785 (unless (or gnus-inhibit-limiting
8786 (and (null gnus-newsgroup-dormant)
8787 (eq gnus-newsgroup-display 'gnus-not-ignore)
8788 (not (eq gnus-fetch-old-headers 'some))
8789 (not (numberp gnus-fetch-old-headers))
8790 (not (eq gnus-fetch-old-headers 'invisible))
8791 (null gnus-summary-expunge-below)
8792 (not (eq gnus-build-sparse-threads 'some))
8793 (not (eq gnus-build-sparse-threads 'more))
8794 (null gnus-thread-expunge-below)))
8795 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8796 (setq gnus-newsgroup-limit nil)
8799 (unless (car (symbol-value node))
8800 ;; These threads have no parents -- they are roots.
8801 (let ((nodes (cdr (symbol-value node)))
8804 (if (and gnus-thread-expunge-below
8805 (< (gnus-thread-total-score (car nodes))
8806 gnus-thread-expunge-below))
8807 (gnus-expunge-thread (pop nodes))
8808 (setq thread (pop nodes))
8809 (gnus-summary-limit-children thread))))))
8810 gnus-newsgroup-dependencies)
8811 ;; If this limitation resulted in an empty group, we might
8812 ;; pop the previous limit and use it instead.
8813 (when (and (not gnus-newsgroup-limit)
8815 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8816 gnus-newsgroup-limit))
8818 (defun gnus-summary-limit-children (thread)
8819 "Return 1 if this subthread is visible and 0 if it is not."
8820 ;; First we get the number of visible children to this thread. This
8821 ;; is done by recursing down the thread using this function, so this
8822 ;; will really go down to a leaf article first, before slowly
8823 ;; working its way up towards the root.
8825 (let* ((max-lisp-eval-depth (max 5000 max-lisp-eval-depth))
8828 (apply '+ (mapcar 'gnus-summary-limit-children
8831 (number (mail-header-number (car thread)))
8834 (not (memq number gnus-newsgroup-marked))
8836 ;; If this article is dormant and has absolutely no visible
8837 ;; children, then this article isn't visible.
8838 (and (memq number gnus-newsgroup-dormant)
8840 ;; If this is "fetch-old-headered" and there is no
8841 ;; visible children, then we don't want this article.
8842 (and (or (eq gnus-fetch-old-headers 'some)
8843 (numberp gnus-fetch-old-headers))
8844 (gnus-summary-article-ancient-p number)
8846 ;; If this is "fetch-old-headered" and `invisible', then
8847 ;; we don't want this article.
8848 (and (eq gnus-fetch-old-headers 'invisible)
8849 (gnus-summary-article-ancient-p number))
8850 ;; If this is a sparsely inserted article with no children,
8851 ;; we don't want it.
8852 (and (eq gnus-build-sparse-threads 'some)
8853 (gnus-summary-article-sparse-p number)
8855 ;; If we use expunging, and this article is really
8856 ;; low-scored, then we don't want this article.
8857 (when (and gnus-summary-expunge-below
8859 (or (cdr (assq number gnus-newsgroup-scored))
8860 gnus-summary-default-score))
8861 gnus-summary-expunge-below))
8862 ;; We increase the expunge-tally here, but that has
8863 ;; nothing to do with the limits, really.
8864 (incf gnus-newsgroup-expunged-tally)
8865 ;; We also mark as read here, if that's wanted.
8866 (when (and gnus-summary-mark-below
8867 (< score gnus-summary-mark-below))
8868 (setq gnus-newsgroup-unreads
8869 (delq number gnus-newsgroup-unreads))
8870 (if gnus-newsgroup-auto-expire
8871 (push number gnus-newsgroup-expirable)
8872 (push (cons number gnus-low-score-mark)
8873 gnus-newsgroup-reads)))
8875 ;; Do the `display' group parameter.
8876 (and gnus-newsgroup-display
8877 (let ((gnus-number number))
8878 (not (funcall gnus-newsgroup-display))))))
8879 ;; Nope, invisible article.
8881 ;; Ok, this article is to be visible, so we add it to the limit
8883 (push number gnus-newsgroup-limit)
8886 (defun gnus-expunge-thread (thread)
8887 "Mark all articles in THREAD as read."
8888 (let* ((number (mail-header-number (car thread))))
8889 (incf gnus-newsgroup-expunged-tally)
8890 ;; We also mark as read here, if that's wanted.
8891 (setq gnus-newsgroup-unreads
8892 (delq number gnus-newsgroup-unreads))
8893 (if gnus-newsgroup-auto-expire
8894 (push number gnus-newsgroup-expirable)
8895 (push (cons number gnus-low-score-mark)
8896 gnus-newsgroup-reads)))
8897 ;; Go recursively through all subthreads.
8898 (mapcar 'gnus-expunge-thread (cdr thread)))
8900 ;; Summary article oriented commands
8902 (defun gnus-summary-refer-parent-article (n)
8903 "Refer parent article N times.
8904 If N is negative, go to ancestor -N instead.
8905 The difference between N and the number of articles fetched is returned."
8909 (when (not (natnump n))
8914 (setq header (gnus-summary-article-header))
8915 (if (and (eq (mail-header-number header)
8916 (cdr gnus-article-current))
8917 (equal gnus-newsgroup-name
8918 (car gnus-article-current)))
8919 ;; If we try to find the parent of the currently
8920 ;; displayed article, then we take a look at the actual
8921 ;; References header, since this is slightly more
8922 ;; reliable than the References field we got from the
8924 (with-current-buffer gnus-original-article-buffer
8925 (nnheader-narrow-to-headers)
8926 (unless (setq ref (message-fetch-field "references"))
8927 (when (setq ref (message-fetch-field "in-reply-to"))
8928 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8931 ;; It's not the current article, so we take a bet on
8932 ;; the value we got from the server.
8933 (mail-header-references header)))
8935 (not (equal ref "")))
8936 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8937 (gnus-message 1 "Couldn't find parent"))
8938 (gnus-message 1 "No references in article %d"
8939 (gnus-summary-article-number))
8942 (gnus-summary-position-point)
8945 (defun gnus-summary-refer-references ()
8946 "Fetch all articles mentioned in the References header.
8947 Return the number of articles fetched."
8949 (let ((ref (mail-header-references (gnus-summary-article-header)))
8950 (current (gnus-summary-article-number))
8954 (error "No References in the current article")
8955 ;; For each Message-ID in the References header...
8956 (while (string-match "<[^>]*>" ref)
8958 ;; ... fetch that article.
8959 (gnus-summary-refer-article
8960 (prog1 (match-string 0 ref)
8961 (setq ref (substring ref (match-end 0))))))
8962 (gnus-summary-goto-subject current)
8963 (gnus-summary-position-point)
8966 (defun gnus-delete-duplicate-headers (headers)
8967 ;; First remove leading duplicates.
8968 (while (and (> (length headers) 1)
8969 (= (mail-header-number (car headers))
8970 (mail-header-number (cadr headers))))
8973 (let ((result headers))
8974 (while (> (length headers) 1)
8975 (if (= (mail-header-number (car headers))
8976 (mail-header-number (cadr headers)))
8977 (setcdr headers (cddr headers))
8981 (defun gnus-summary-refer-thread (&optional limit)
8982 "Fetch all articles in the current thread. For backends that
8983 know how to search for threads (currently only 'nnimap) a
8984 non-numeric prefix arg will use nnir to search the entire
8985 server; without a prefix arg only the current group is
8986 searched. If the variable `gnus-refer-thread-use-nnir' is
8987 non-nil the prefix arg has the reverse meaning. If no
8988 backend-specific 'request-thread function is available fetch
8989 LIMIT (the numerical prefix) old headers. If LIMIT is
8990 non-numeric or nil fetch the number specified by the
8991 `gnus-refer-thread-limit' variable."
8993 (gnus-warp-to-article)
8994 (let* ((header (gnus-summary-article-header))
8995 (id (mail-header-id header))
8996 (gnus-inhibit-demon t)
8997 (gnus-summary-ignore-duplicates t)
8998 (gnus-read-all-available-headers t)
8999 (gnus-refer-thread-use-nnir
9000 (if (and (not (null limit)) (listp limit))
9001 (not gnus-refer-thread-use-nnir) gnus-refer-thread-use-nnir))
9003 (if (gnus-check-backend-function
9004 'request-thread gnus-newsgroup-name)
9005 (gnus-request-thread header gnus-newsgroup-name)
9006 (let* ((limit (if (numberp limit) (prefix-numeric-value limit)
9007 gnus-refer-thread-limit))
9008 (last (if (numberp limit)
9009 (min (+ (mail-header-number header)
9011 gnus-newsgroup-highest)
9012 gnus-newsgroup-highest))
9013 (subject (gnus-simplify-subject
9014 (mail-header-subject header)))
9015 (refs (split-string (or (mail-header-references header)
9017 (gnus-parse-headers-hook
9018 `(lambda () (goto-char (point-min))
9020 (regexp-opt ',(append refs (list id subject)))))))
9021 (gnus-fetch-headers (list last) (if (numberp limit)
9022 (* 2 limit) limit) t)))))
9023 (when (listp new-headers)
9024 (dolist (header new-headers)
9025 (when (member (mail-header-number header) gnus-newsgroup-unselected)
9026 (push (mail-header-number header) gnus-newsgroup-unreads)
9027 (setq gnus-newsgroup-unselected
9028 (delete (mail-header-number header)
9029 gnus-newsgroup-unselected))))
9030 (setq gnus-newsgroup-headers
9031 (gnus-delete-duplicate-headers
9033 'list gnus-newsgroup-headers new-headers
9034 'gnus-article-sort-by-number)))
9035 (gnus-summary-limit-include-thread id))))
9037 (defun gnus-summary-refer-article (message-id)
9038 "Fetch an article specified by MESSAGE-ID."
9039 (interactive "sMessage-ID: ")
9040 (when (and (stringp message-id)
9041 (not (zerop (length message-id))))
9042 (setq message-id (gnus-replace-in-string message-id " " ""))
9043 ;; Construct the correct Message-ID if necessary.
9044 ;; Suggested by tale@pawl.rpi.edu.
9045 (unless (string-match "^<" message-id)
9046 (setq message-id (concat "<" message-id)))
9047 (unless (string-match ">$" message-id)
9048 (setq message-id (concat message-id ">")))
9049 ;; People often post MIDs from URLs, so unhex it:
9050 (unless (string-match "@" message-id)
9051 (setq message-id (gnus-url-unhex-string message-id)))
9052 (let* ((header (gnus-id-to-header message-id))
9054 (gnus-summary-article-sparse-p
9055 (mail-header-number header))
9056 (memq (mail-header-number header)
9057 gnus-newsgroup-limit)))
9060 ;; If the article is present in the buffer we just go to it.
9062 (or (not (gnus-summary-article-sparse-p
9063 (mail-header-number header)))
9066 (gnus-summary-goto-article
9067 (mail-header-number header) nil t)
9069 (gnus-summary-update-article (mail-header-number header)))))
9071 ;; We fetch the article.
9073 (dolist (gnus-override-method (gnus-refer-article-methods))
9074 (when (and (gnus-check-server gnus-override-method)
9075 ;; Fetch the header,
9076 (setq number (gnus-summary-insert-subject message-id)))
9077 ;; and display the article.
9078 (gnus-summary-select-article nil nil nil number)
9080 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
9082 (defun gnus-refer-article-methods ()
9083 "Return a list of referable methods."
9085 ;; No method, so we default to current and native.
9086 ((null gnus-refer-article-method)
9087 (list gnus-current-select-method gnus-select-method))
9089 ((eq 'current gnus-refer-article-method)
9090 (list gnus-current-select-method))
9091 ;; List of select methods.
9092 ((not (and (symbolp (car gnus-refer-article-method))
9093 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
9095 (dolist (method gnus-refer-article-method)
9096 (push (if (eq 'current method)
9097 gnus-current-select-method
9098 (if (eq 'nnir (car method))
9102 (gnus-method-to-server gnus-current-select-method)))
9106 ;; One single select method.
9108 (list gnus-refer-article-method))))
9110 (defun gnus-summary-edit-parameters ()
9111 "Edit the group parameters of the current group."
9113 (gnus-group-edit-group gnus-newsgroup-name 'params))
9115 (defun gnus-summary-customize-parameters ()
9116 "Customize the group parameters of the current group."
9118 (gnus-group-customize gnus-newsgroup-name))
9120 (defun gnus-summary-enter-digest-group (&optional force)
9121 "Enter an nndoc group based on the current article.
9122 If FORCE, force a digest interpretation. If not, try to guess
9123 what the document format is.
9125 To control what happens when you exit the group, see the
9126 `gnus-auto-select-on-ephemeral-exit' variable."
9128 (let ((conf gnus-current-window-configuration))
9129 (save-window-excursion
9131 (let (gnus-article-prepare-hook
9132 gnus-display-mime-function
9134 (gnus-summary-select-article))))
9135 (setq gnus-current-window-configuration conf)
9136 (let* ((name (format "%s-%d"
9137 (gnus-group-prefixed-name
9138 gnus-newsgroup-name (list 'nndoc ""))
9139 (with-current-buffer gnus-summary-buffer
9140 gnus-current-article)))
9141 (ogroup gnus-newsgroup-name)
9142 (params (append (gnus-info-params (gnus-get-info ogroup))
9143 (list (cons 'to-group ogroup))
9144 (list (cons 'parent-group ogroup))
9145 (list (cons 'save-article-group ogroup))))
9146 (case-fold-search t)
9147 (buf (current-buffer))
9149 (with-current-buffer gnus-original-article-buffer
9150 ;; Have the digest group inherit the main mail address of
9151 ;; the parent article.
9152 (when (setq to-address (or (gnus-fetch-field "reply-to")
9153 (gnus-fetch-field "from")))
9156 (list (cons 'to-address
9157 (funcall gnus-decode-encoded-address-function
9159 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
9160 (insert-buffer-substring gnus-original-article-buffer)
9161 ;; Remove lines that may lead nndoc to misinterpret the
9164 (goto-char (point-min))
9165 (or (search-forward "\n\n" nil t) (point)))
9166 (goto-char (point-min))
9167 (delete-matching-lines "^Path:\\|^From ")
9170 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
9171 (gnus-newsgroup-ephemeral-ignored-charsets
9172 gnus-newsgroup-ignored-charsets))
9173 (gnus-group-read-ephemeral-group
9174 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
9176 ,(if force 'mbox 'guess)))
9178 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
9180 ;; Make all postings to this group go to the parent group.
9181 (nconc (gnus-info-params (gnus-get-info name))
9183 ;; Couldn't select this doc group.
9184 (switch-to-buffer buf)
9185 (gnus-set-global-variables)
9186 (gnus-configure-windows 'summary)
9187 (gnus-message 3 "Article couldn't be entered?"))
9188 (kill-buffer dig)))))
9190 (defun gnus-summary-read-document (n)
9191 "Open a new group based on the current article(s).
9192 This will allow you to read digests and other similar
9193 documents as newsgroups.
9194 Obeys the standard process/prefix convention."
9196 (let* ((ogroup gnus-newsgroup-name)
9197 (params (append (gnus-info-params (gnus-get-info ogroup))
9198 (list (cons 'to-group ogroup))))
9199 group egroup groups vgroup)
9200 (dolist (article (gnus-summary-work-articles n))
9201 (setq group (format "%s-%d" gnus-newsgroup-name article))
9202 (gnus-summary-remove-process-mark article)
9203 (when (gnus-summary-display-article article)
9204 (save-excursion ;;What for?
9206 (insert-buffer-substring gnus-original-article-buffer)
9207 ;; Remove some headers that may lead nndoc to make
9209 (message-narrow-to-head)
9210 (goto-char (point-min))
9211 (delete-matching-lines "^Path:\\|^From ")
9214 (gnus-group-read-ephemeral-group
9215 group `(nndoc ,group (nndoc-address ,(current-buffer))
9216 (nndoc-article-type guess))
9219 ;; Make all postings to this group go to the parent group.
9220 (nconc (gnus-info-params (gnus-get-info egroup))
9222 (push egroup groups))
9223 ;; Couldn't select this doc group.
9224 (gnus-error 3 "Article couldn't be entered"))))))
9225 ;; Now we have selected all the documents.
9228 (error "None of the articles could be interpreted as documents"))
9229 ((gnus-group-read-ephemeral-group
9230 (setq vgroup (format
9231 "nnvirtual:%s-%s" gnus-newsgroup-name
9232 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
9233 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
9235 (cons (current-buffer) 'summary)))
9237 (error "Couldn't select virtual nndoc group")))))
9239 (defun gnus-summary-widget-forward (arg)
9240 "Move point to the next field or button in the article.
9241 With optional ARG, move across that many fields."
9243 (gnus-summary-select-article)
9244 (gnus-configure-windows 'article)
9245 (select-window (gnus-get-buffer-window gnus-article-buffer))
9246 (widget-forward arg))
9248 (defun gnus-summary-isearch-article (&optional regexp-p)
9249 "Do incremental search forward on the current article.
9250 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
9252 (gnus-summary-select-article)
9253 (gnus-configure-windows 'article)
9254 (gnus-eval-in-buffer-window gnus-article-buffer
9257 (isearch-forward regexp-p))))
9259 (defun gnus-summary-repeat-search-article-forward ()
9260 "Repeat the previous search forwards."
9262 (unless gnus-last-search-regexp
9263 (error "No previous search"))
9264 (gnus-summary-search-article-forward gnus-last-search-regexp))
9266 (defun gnus-summary-repeat-search-article-backward ()
9267 "Repeat the previous search backwards."
9269 (unless gnus-last-search-regexp
9270 (error "No previous search"))
9271 (gnus-summary-search-article-forward gnus-last-search-regexp t))
9273 (defun gnus-summary-search-article-forward (regexp &optional backward)
9274 "Search for an article containing REGEXP forward.
9275 If BACKWARD, search backward instead."
9278 (format "Search article %s (regexp%s): "
9279 (if current-prefix-arg "backward" "forward")
9280 (if gnus-last-search-regexp
9281 (concat ", default " gnus-last-search-regexp)
9283 current-prefix-arg))
9284 (if (string-equal regexp "")
9285 (setq regexp (or gnus-last-search-regexp ""))
9286 (setq gnus-last-search-regexp regexp)
9287 (setq gnus-article-before-search gnus-current-article))
9288 ;; Intentionally set gnus-last-article.
9289 (setq gnus-last-article gnus-article-before-search)
9290 (let ((gnus-last-article gnus-last-article))
9291 (if (gnus-summary-search-article regexp backward)
9292 (gnus-summary-show-thread)
9293 (signal 'search-failed (list regexp)))))
9295 (defun gnus-summary-search-article-backward (regexp)
9296 "Search for an article containing REGEXP backward."
9299 (format "Search article backward (regexp%s): "
9300 (if gnus-last-search-regexp
9301 (concat ", default " gnus-last-search-regexp)
9303 (gnus-summary-search-article-forward regexp 'backward))
9305 (defun gnus-summary-search-article (regexp &optional backward)
9306 "Search for an article containing REGEXP.
9307 Optional argument BACKWARD means do search for backward.
9308 `gnus-select-article-hook' is not called during the search."
9309 ;; We have to require this here to make sure that the following
9310 ;; dynamic binding isn't shadowed by autoloading.
9311 (require 'gnus-async)
9313 (let ((gnus-select-article-hook nil) ;Disable hook.
9314 (gnus-article-prepare-hook nil)
9315 (gnus-mark-article-hook nil) ;Inhibit marking as read.
9316 (gnus-use-article-prefetch nil)
9317 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
9318 (gnus-use-trees nil) ;Inhibit updating tree buffer.
9320 (gnus-keep-backlog nil)
9321 (gnus-break-pages nil)
9322 (gnus-summary-display-arrow nil)
9323 (gnus-updated-mode-lines nil)
9324 (gnus-auto-center-summary nil)
9325 (sum (current-buffer))
9326 (gnus-display-mime-function nil)
9329 (gnus-save-hidden-threads
9330 (gnus-summary-select-article)
9331 (set-buffer gnus-article-buffer)
9332 (goto-char (window-point (get-buffer-window (current-buffer))))
9336 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
9338 (re-search-backward regexp nil t)
9339 (re-search-forward regexp nil t))
9340 ;; We found the regexp.
9345 (get-buffer-window (current-buffer))
9349 (get-buffer-window (current-buffer))
9352 (setq point (point)))
9353 ;; We didn't find it, so we go to the next article.
9356 (while (eq found 'not)
9357 (if (not (if backward (gnus-summary-find-prev)
9358 (gnus-summary-find-next)))
9359 ;; No more articles.
9361 ;; Select the next article and adjust point.
9362 (unless (gnus-summary-article-sparse-p
9363 (gnus-summary-article-number))
9365 (gnus-summary-select-article)
9366 (set-buffer gnus-article-buffer)
9368 (goto-char (if backward (point-max) (point-min))))))))
9369 (gnus-message 7 ""))
9370 ;; Return whether we found the regexp.
9371 (when (eq found 'found)
9373 (gnus-summary-show-thread)
9374 (gnus-summary-goto-subject gnus-current-article)
9375 (gnus-summary-position-point)
9378 (defun gnus-find-matching-articles (header regexp)
9379 "Return a list of all articles that match REGEXP on HEADER.
9380 This search includes all articles in the current group that Gnus has
9381 fetched headers for, whether they are displayed or not."
9382 (let ((articles nil)
9383 ;; Can't eta-reduce because it's a macro.
9384 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
9385 (case-fold-search t))
9386 (dolist (header gnus-newsgroup-headers)
9387 (when (string-match regexp (funcall func header))
9388 (push (mail-header-number header) articles)))
9389 (nreverse articles)))
9391 (defun gnus-summary-find-matching (header regexp &optional backward unread
9392 not-case-fold not-matching)
9393 "Return a list of all articles that match REGEXP on HEADER.
9394 The search stars on the current article and goes forwards unless
9395 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
9396 If UNREAD is non-nil, only unread articles will
9397 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
9398 in the comparisons. If NOT-MATCHING, return a list of all articles that
9399 not match REGEXP on HEADER."
9400 (let ((case-fold-search (not not-case-fold))
9403 (if (eq (car header) 'extra)
9406 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
9408 (error "%s is an invalid header" header))
9409 (unless (fboundp (intern (concat "mail-header-" header)))
9410 (error "%s is not a valid header" header))
9411 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
9412 (dolist (d (if (eq backward 'all)
9414 (gnus-data-find-list
9415 (gnus-summary-article-number)
9416 (gnus-data-list backward))))
9417 (when (and (or (not unread) ; We want all articles...
9418 (gnus-data-unread-p d)) ; Or just unreads.
9419 (vectorp (gnus-data-header d)) ; It's not a pseudo.
9423 (funcall func (gnus-data-header d))))
9424 (string-match regexp
9425 (funcall func (gnus-data-header d)))))
9426 (push (gnus-data-number d) articles))) ; Success!
9427 (nreverse articles)))
9429 (defun gnus-summary-execute-command (header regexp command &optional backward)
9430 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
9431 If HEADER is an empty string (or nil), the match is done on the entire
9432 article. If BACKWARD (the prefix) is non-nil, search backward instead."
9434 (list (let ((completion-ignore-case t))
9435 (gnus-completing-read
9437 (mapcar 'symbol-name
9439 '(Number Subject From Lines Date
9440 Message-ID Xref References Body)
9441 gnus-extra-headers))
9443 (read-string "Regexp: ")
9444 (read-key-sequence "Command: ")
9445 current-prefix-arg))
9446 (when (equal header "Body")
9448 ;; Hidden thread subtrees must be searched as well.
9449 (gnus-summary-show-all-threads)
9450 ;; We don't want to change current point nor window configuration.
9452 (save-window-excursion
9454 gnus-treat-strip-trailing-blank-lines
9455 gnus-treat-strip-leading-blank-lines
9456 gnus-treat-strip-multiple-blank-lines
9457 gnus-treat-hide-boring-headers
9458 gnus-treat-fold-newsgroups
9459 gnus-article-prepare-hook)
9460 (gnus-message 6 "Executing %s..." (key-description command))
9461 ;; We'd like to execute COMMAND interactively so as to give arguments.
9462 (gnus-execute header regexp
9463 `(call-interactively ',(key-binding command))
9465 (gnus-message 6 "Executing %s...done" (key-description command))))))
9467 (defun gnus-summary-beginning-of-article ()
9468 "Scroll the article back to the beginning."
9470 (gnus-summary-select-article)
9471 (gnus-configure-windows 'article)
9472 (gnus-eval-in-buffer-window gnus-article-buffer
9474 (goto-char (point-min))
9475 (when gnus-break-pages
9476 (gnus-narrow-to-page))))
9478 (defun gnus-summary-end-of-article ()
9479 "Scroll to the end of the article."
9481 (gnus-summary-select-article)
9482 (gnus-configure-windows 'article)
9483 (gnus-eval-in-buffer-window gnus-article-buffer
9485 (goto-char (point-max))
9487 (when gnus-break-pages
9488 (gnus-narrow-to-page))))
9490 (defun gnus-summary-print-truncate-and-quote (string &optional len)
9491 "Truncate to LEN and quote all \"(\"'s in STRING."
9492 (gnus-replace-in-string (if (and len (> (length string) len))
9493 (substring string 0 len)
9497 (defun gnus-summary-print-article (&optional filename n)
9498 "Generate and print a PostScript image of the process-marked (mail) articles.
9500 If used interactively, print the current article if none are
9501 process-marked. With prefix arg, prompt the user for the name of the
9504 When used from Lisp, accept two optional args FILENAME and N. N means
9505 to print the next N articles. If N is negative, print the N previous
9506 articles. If N is nil and articles have been marked with the process
9507 mark, print these instead.
9509 If the optional first argument FILENAME is nil, send the image to the
9510 printer. If FILENAME is a string, save the PostScript image in a file with
9511 that name. If FILENAME is a number, prompt the user for the name of the file
9513 (interactive (list (ps-print-preprint current-prefix-arg)))
9514 (dolist (article (gnus-summary-work-articles n))
9515 (gnus-summary-select-article nil nil 'pseudo article)
9516 (gnus-eval-in-buffer-window gnus-article-buffer
9517 (gnus-print-buffer))
9518 (gnus-summary-remove-process-mark article))
9519 (ps-despool filename))
9521 (defun gnus-print-buffer ()
9522 (let ((ps-left-header
9525 (gnus-summary-print-truncate-and-quote
9526 (mail-header-subject gnus-current-headers)
9529 (gnus-summary-print-truncate-and-quote
9530 (mail-header-from gnus-current-headers)
9534 "/pagenumberstring load"
9536 (mail-header-date gnus-current-headers) ")"))))
9537 (gnus-run-hooks 'gnus-ps-print-hook)
9539 (if ps-print-color-p
9540 (ps-spool-buffer-with-faces)
9541 (ps-spool-buffer)))))
9543 (defun gnus-summary-show-complete-article ()
9544 "Show a complete version of the current article.
9545 This is only useful if you're looking at a partial version of the
9548 (let ((gnus-keep-backlog nil)
9549 (gnus-use-cache nil)
9552 (format "%s-fetch-partial-articles"
9553 (car (gnus-find-method-for-group
9554 gnus-newsgroup-name)))
9559 (setq old-val (symbol-value variable))
9561 (gnus-flush-original-article-buffer)
9562 (gnus-summary-show-article))
9563 (set variable old-val))))
9565 (defun gnus-summary-show-article (&optional arg)
9566 "Force redisplaying of the current article.
9567 If ARG (the prefix) is a number, show the article with the charset
9568 defined in `gnus-summary-show-article-charset-alist', or the charset
9570 If ARG (the prefix) is non-nil and not a number, show the article,
9571 but without running any of the article treatment functions
9572 article. Normally, the keystroke is `C-u g'. When using `C-u
9573 C-u g', show the raw article."
9577 (gnus-summary-show-article t)
9578 (let ((gnus-newsgroup-charset
9579 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
9580 (mm-read-coding-system
9581 "View as charset: " ;; actually it is coding system.
9582 (with-current-buffer gnus-article-buffer
9583 (mm-detect-coding-region (point) (point-max))))))
9584 (gnus-newsgroup-ignored-charsets 'gnus-all))
9585 (gnus-summary-select-article nil 'force)
9586 (let ((deps gnus-newsgroup-dependencies)
9588 (with-current-buffer gnus-original-article-buffer
9590 (message-narrow-to-head)
9591 (setq head (buffer-string))
9592 (goto-char (point-min))
9593 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
9594 (goto-char (point-max))
9596 (setq lines (1- (count-lines (point) (point-max))))))
9598 (insert (format "211 %d Article retrieved.\n"
9599 (cdr gnus-article-current)))
9601 (if lines (insert (format "Lines: %d\n" lines)))
9603 (let ((nntp-server-buffer (current-buffer)))
9604 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9605 (gnus-data-set-header
9606 (gnus-data-find (cdr gnus-article-current))
9608 (gnus-summary-update-article-line
9609 (cdr gnus-article-current) header)
9610 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9611 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9613 ;; Select the article the normal way.
9614 (gnus-summary-select-article nil 'force))
9617 (let ((gnus-inhibit-article-treatments t))
9618 (gnus-summary-select-article nil 'force)))
9620 ;; We have to require this here to make sure that the following
9621 ;; dynamic binding isn't shadowed by autoloading.
9622 (require 'gnus-async)
9624 ;; Bind the article treatment functions to nil.
9625 (let ((gnus-have-all-headers t)
9626 gnus-article-prepare-hook
9627 gnus-article-decode-hook
9628 gnus-display-mime-function
9630 ;; Destroy any MIME parts.
9631 (when (gnus-buffer-live-p gnus-article-buffer)
9632 (with-current-buffer gnus-article-buffer
9633 (gnus-article-stop-animations)
9634 (mm-destroy-parts gnus-article-mime-handles)
9635 ;; Set it to nil for safety reason.
9636 (setq gnus-article-mime-handle-alist nil)
9637 (setq gnus-article-mime-handles nil)))
9638 (gnus-summary-select-article nil 'force))))
9639 (gnus-summary-goto-subject gnus-current-article)
9640 (gnus-summary-position-point))
9642 (defun gnus-summary-show-raw-article ()
9643 "Show the raw article without any article massaging functions being run."
9645 (gnus-summary-show-article t))
9647 (defun gnus-summary-verbose-headers (&optional arg)
9648 "Toggle permanent full header display.
9649 If ARG is a positive number, turn header display on.
9650 If ARG is a negative number, turn header display off."
9652 (setq gnus-show-all-headers
9653 (cond ((or (not (numberp arg))
9655 (not gnus-show-all-headers))
9658 (gnus-summary-show-article))
9660 (defun gnus-summary-toggle-header (&optional arg)
9661 "Show the headers if they are hidden, or hide them if they are shown.
9662 If ARG is a positive number, show the entire header.
9663 If ARG is a negative number, hide the unwanted header lines."
9665 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9666 (get-buffer-window gnus-article-buffer t))))
9667 (with-current-buffer gnus-article-buffer
9669 (article-narrow-to-head)
9670 (let* ((inhibit-read-only t)
9671 (inhibit-point-motion-hooks t)
9672 (hidden (if (numberp arg)
9674 (or (not (looking-at "[^ \t\n]+:"))
9675 (gnus-article-hidden-text-p 'headers))))
9677 (delete-region (point-min) (point-max))
9678 (with-current-buffer gnus-original-article-buffer
9679 (goto-char (setq s (point-min)))
9680 (setq e (if (search-forward "\n\n" nil t)
9683 (insert-buffer-substring gnus-original-article-buffer s e)
9684 (run-hooks 'gnus-article-decode-hook)
9686 (let ((gnus-treat-hide-headers nil)
9687 (gnus-treat-hide-boring-headers nil))
9688 (gnus-delete-wash-type 'headers)
9689 (gnus-treat-article 'head))
9690 (gnus-treat-article 'head))
9693 (set-window-start window (goto-char (point-min))))
9694 (if gnus-break-pages
9695 (gnus-narrow-to-page)
9696 (when (gnus-visual-p 'page-marker)
9697 (let ((inhibit-read-only t))
9698 (gnus-remove-text-with-property 'gnus-prev)
9699 (gnus-remove-text-with-property 'gnus-next))))
9700 (gnus-set-mode-line 'article)))))
9702 (defun gnus-summary-show-all-headers ()
9703 "Make all header lines visible."
9705 (gnus-summary-toggle-header 1))
9707 (defun gnus-summary-caesar-message (&optional arg)
9708 "Caesar rotate the current article by 13.
9709 With a non-numerical prefix, also rotate headers. A numerical
9710 prefix specifies how many places to rotate each letter forward."
9712 (gnus-summary-select-article)
9713 (let ((mail-header-separator ""))
9714 (gnus-eval-in-buffer-window gnus-article-buffer
9717 (let ((start (window-start))
9718 (inhibit-read-only t))
9719 (if (equal arg '(4))
9720 (message-caesar-buffer-body nil t)
9721 (message-caesar-buffer-body arg))
9722 (set-window-start (get-buffer-window (current-buffer)) start)))))
9723 ;; Create buttons and stuff...
9724 (gnus-treat-article nil))
9726 (declare-function idna-to-unicode "ext:idna" (str))
9728 (defun gnus-summary-idna-message (&optional arg)
9729 "Decode IDNA encoded domain names in the current articles.
9730 IDNA encoded domain names looks like `xn--bar'. If a string
9731 remain unencoded after running this function, it is likely an
9732 invalid IDNA string (`xn--bar' is invalid).
9734 You must have GNU Libidn (URL `http://www.gnu.org/software/libidn/')
9735 installed for this command to work."
9737 (if (not (and (condition-case nil (require 'idna)
9739 (mm-coding-system-p 'utf-8)
9740 (executable-find (symbol-value 'idna-program))))
9742 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9743 (gnus-summary-select-article)
9744 (let ((mail-header-separator ""))
9745 (gnus-eval-in-buffer-window gnus-article-buffer
9748 (let ((start (window-start))
9750 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9751 (replace-match (idna-to-unicode (match-string 1))))
9752 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9754 (defun gnus-summary-morse-message (&optional arg)
9755 "Morse decode the current article."
9757 (gnus-summary-select-article)
9758 (let ((mail-header-separator ""))
9759 (gnus-eval-in-buffer-window gnus-article-buffer
9763 (let ((pos (window-start))
9764 (inhibit-read-only t))
9765 (goto-char (point-min))
9766 (when (message-goto-body)
9767 (gnus-narrow-to-body))
9768 (goto-char (point-min))
9769 (while (search-forward "·" (point-max) t)
9770 (replace-match "."))
9771 (unmorse-region (point-min) (point-max))
9773 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9775 (defun gnus-summary-stop-page-breaking ()
9776 "Stop page breaking in the current article."
9778 (gnus-summary-select-article)
9779 (gnus-eval-in-buffer-window gnus-article-buffer
9781 (when (gnus-visual-p 'page-marker)
9782 (let ((inhibit-read-only t))
9783 (gnus-remove-text-with-property 'gnus-prev)
9784 (gnus-remove-text-with-property 'gnus-next))
9785 (setq gnus-page-broken nil))))
9787 (defun gnus-summary-move-article (&optional n to-newsgroup
9788 select-method action)
9789 "Move the current article to a different newsgroup.
9790 If N is a positive number, move the N next articles.
9791 If N is a negative number, move the N previous articles.
9792 If N is nil and any articles have been marked with the process mark,
9793 move those articles instead.
9794 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9795 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9796 re-spool using this method.
9798 When called interactively with TO-NEWSGROUP being nil, the value of
9799 the variable `gnus-move-split-methods' is used for finding a default
9800 for the target newsgroup.
9802 For this function to work, both the current newsgroup and the
9803 newsgroup that you want to move to have to support the `request-move'
9804 and `request-accept' functions.
9806 ACTION can be either `move' (the default), `crosspost' or `copy'."
9809 (setq action 'move))
9810 ;; Check whether the source group supports the required functions.
9811 (cond ((and (eq action 'move)
9812 (not (gnus-check-backend-function
9813 'request-move-article gnus-newsgroup-name)))
9814 (error "The current group does not support article moving"))
9815 ((and (eq action 'crosspost)
9816 (not (gnus-check-backend-function
9817 'request-replace-article gnus-newsgroup-name)))
9818 (error "The current group does not support article editing")))
9819 (let ((articles (gnus-summary-work-articles n))
9820 (prefix (if (gnus-check-backend-function
9821 'request-move-article gnus-newsgroup-name)
9822 (funcall gnus-move-group-prefix-function
9823 gnus-newsgroup-name)
9825 (names '((move "Move" "Moving")
9826 (copy "Copy" "Copying")
9827 (crosspost "Crosspost" "Crossposting")))
9828 (copy-buf (save-excursion
9829 (nnheader-set-temp-buffer " *copy article*")))
9830 art-group to-method new-xref article to-groups
9831 articles-to-update-marks encoded)
9832 (unless (assq action names)
9833 (error "Unknown action %s" action))
9834 ;; Read the newsgroup name.
9835 (when (and (not to-newsgroup)
9836 (not select-method))
9837 (if (and gnus-move-split-methods
9839 (and (memq gnus-current-article articles)
9840 (gnus-buffer-live-p gnus-original-article-buffer))))
9841 ;; When `gnus-move-split-methods' is non-nil, we have to
9842 ;; select an article to give `gnus-read-move-group-name' an
9843 ;; opportunity to suggest an appropriate default. However,
9844 ;; we needn't render or mark the article.
9845 (let ((gnus-display-mime-function nil)
9846 (gnus-article-prepare-hook nil)
9847 (gnus-mark-article-hook nil))
9848 (gnus-summary-select-article nil nil nil (car articles))))
9849 (setq to-newsgroup (gnus-read-move-group-name
9850 (cadr (assq action names))
9852 (intern (format "gnus-current-%s-group" action)))
9854 encoded to-newsgroup
9855 to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
9856 (set (intern (format "gnus-current-%s-group" action))
9857 (mm-decode-coding-string
9859 (gnus-group-name-charset to-method to-newsgroup))))
9861 (setq to-method (or select-method
9862 (gnus-server-to-method
9863 (gnus-group-method to-newsgroup)))))
9867 (mm-encode-coding-string
9869 (gnus-group-name-charset to-method to-newsgroup)))))
9870 ;; Check the method we are to move this article to...
9871 (unless (gnus-check-backend-function
9872 'request-accept-article (car to-method))
9873 (error "%s does not support article copying" (car to-method)))
9874 (unless (gnus-check-server to-method)
9875 (error "Can't open server %s" (car to-method)))
9876 (gnus-message 6 "%s to %s: %s..."
9877 (caddr (assq action names))
9878 (or (car select-method)
9879 (gnus-group-decoded-name to-newsgroup))
9882 (setq article (pop articles))
9883 ;; Set any marks that may have changed in the summary buffer.
9884 (when gnus-preserve-marks
9885 (gnus-summary-push-marks-to-backend article))
9889 ;; Move the article.
9891 ;; Remove this article from future suppression.
9892 (gnus-dup-unsuppress-article article)
9893 (let* ((from-method (gnus-find-method-for-group
9894 gnus-newsgroup-name))
9895 (to-method (or select-method
9896 (gnus-find-method-for-group to-newsgroup)))
9897 (move-is-internal (gnus-server-equal from-method to-method)))
9898 (gnus-request-move-article
9899 article ; Article to move
9900 gnus-newsgroup-name ; From newsgroup
9901 (nth 1 (gnus-find-method-for-group
9902 gnus-newsgroup-name)) ; Server
9903 (list 'gnus-request-accept-article
9904 to-newsgroup (list 'quote select-method)
9905 (not articles) t) ; Accept form
9906 (not articles) ; Only save nov last time
9907 (and move-is-internal
9908 to-newsgroup ; Not respooling
9909 ; Is this move internal?
9910 (gnus-group-real-name to-newsgroup)))))
9911 ;; Copy the article.
9913 (with-current-buffer copy-buf
9914 (when (gnus-request-article-this-buffer article
9915 gnus-newsgroup-name)
9917 (nnheader-narrow-to-headers)
9918 (dolist (hdr gnus-copy-article-ignored-headers)
9919 (message-remove-header hdr t)))
9920 (gnus-request-accept-article
9921 to-newsgroup select-method (not articles) t))))
9922 ;; Crosspost the article.
9923 ((eq action 'crosspost)
9924 (let ((xref (message-tokenize-header
9925 (mail-header-xref (gnus-summary-article-header
9928 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9929 ":" (number-to-string article)))
9931 (setq xref (list (system-name))))
9934 (mapconcat 'identity
9935 (delete "Xref:" (delete new-xref xref))
9938 (with-current-buffer copy-buf
9939 ;; First put the article in the destination group.
9940 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9941 (when (consp (setq art-group
9942 (gnus-request-accept-article
9943 to-newsgroup select-method (not articles)
9945 (setq new-xref (concat new-xref " " (car art-group)
9947 (number-to-string (cdr art-group))))
9948 ;; Now we have the new Xrefs header, so we insert
9949 ;; it and replace the new article.
9950 (nnheader-replace-header "Xref" new-xref)
9951 (gnus-request-replace-article
9952 (cdr art-group) to-newsgroup (current-buffer) t)
9956 (gnus-message 1 "Couldn't %s article %s: %s"
9957 (cadr (assq action names)) article
9958 (nnheader-get-report (car to-method))))
9959 ((eq art-group 'junk)
9960 (when (eq action 'move)
9961 (gnus-summary-mark-article article gnus-canceled-mark)
9962 (gnus-message 4 "Deleted article %s" article)
9963 ;; run the delete hook
9964 (run-hook-with-args 'gnus-summary-article-delete-hook
9967 (assoc article (gnus-data-list nil)))
9968 gnus-newsgroup-name nil
9971 (let* ((pto-group (gnus-group-prefixed-name
9972 (car art-group) to-method))
9973 (info (gnus-get-info pto-group))
9974 (to-group (gnus-info-group info))
9976 ;; Update the group that has been moved to.
9978 (memq action '(move copy)))
9979 (unless (member to-group to-groups)
9980 (push to-group to-groups))
9982 (when (and (not (memq article gnus-newsgroup-unreads))
9984 (push 'read to-marks)
9986 info (gnus-add-to-range (gnus-info-read info)
9987 (list (cdr art-group)))))
9989 ;; See whether the article is to be put in the cache.
9990 (let* ((expirable (gnus-group-auto-expirable-p to-group))
9991 (marks (if expirable
9992 gnus-article-mark-lists
9993 (delete '(expirable . expire)
9995 gnus-article-mark-lists))))
9996 (to-article (cdr art-group)))
9998 ;; Enter the article into the cache in the new group,
9999 ;; if that is required.
10000 (when (and to-article
10002 (gnus-cache-possibly-enter-article
10003 to-group to-article
10004 (memq article gnus-newsgroup-marked)
10005 (memq article gnus-newsgroup-dormant)
10006 (memq article gnus-newsgroup-unreads)))
10008 (when (and gnus-preserve-marks
10010 ;; Copy any marks over to the new group.
10011 (when (and (equal to-group gnus-newsgroup-name)
10012 (not (memq article gnus-newsgroup-unreads)))
10013 ;; Mark this article as read in this group.
10014 (push (cons to-article gnus-read-mark)
10015 gnus-newsgroup-reads)
10016 ;; Increase the active status of this group.
10017 (setcdr (gnus-active to-group) to-article)
10018 (setcdr gnus-newsgroup-active to-article))
10021 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
10022 (when (memq article (symbol-value
10023 (intern (format "gnus-newsgroup-%s"
10025 (push (cdar marks) to-marks)
10026 ;; If the other group is the same as this group,
10027 ;; then we have to add the mark to the list.
10028 (when (equal to-group gnus-newsgroup-name)
10029 (set (intern (format "gnus-newsgroup-%s"
10033 (intern (format "gnus-newsgroup-%s"
10035 ;; Copy the marks to other group.
10036 (gnus-add-marked-articles
10037 to-group (cdar marks) (list to-article) info)))
10038 (setq marks (cdr marks)))
10040 (when (and expirable
10041 gnus-mark-copied-or-moved-articles-as-expirable
10042 (not (memq 'expire to-marks)))
10043 ;; Mark this article as expirable.
10044 (push 'expire to-marks)
10045 (when (equal to-group gnus-newsgroup-name)
10046 (push to-article gnus-newsgroup-expirable))
10047 ;; Copy the expirable mark to other group.
10048 (gnus-add-marked-articles
10049 to-group 'expire (list to-article) info))
10052 (gnus-request-set-mark
10053 to-group (list (list (list to-article) 'add to-marks)))))
10055 (gnus-dribble-enter
10056 (concat "(gnus-group-set-info '"
10057 (gnus-prin1-to-string (gnus-get-info to-group))
10059 (concat "^(gnus-group-set-info '(\""
10060 (regexp-quote to-group) "\""))))
10062 ;; Update the Xref header in this article to point to
10063 ;; the new crossposted article we have just created.
10064 (when (eq action 'crosspost)
10065 (with-current-buffer copy-buf
10066 (gnus-request-article-this-buffer article gnus-newsgroup-name)
10067 (nnheader-replace-header "Xref" new-xref)
10068 (gnus-request-replace-article
10069 article gnus-newsgroup-name (current-buffer) t)))
10071 ;; run the move/copy/crosspost/respool hook
10072 (run-hook-with-args 'gnus-summary-article-move-hook
10075 (assoc article (gnus-data-list nil)))
10076 gnus-newsgroup-name
10080 ;;;!!!Why is this necessary?
10081 (set-buffer gnus-summary-buffer)
10083 (when (eq action 'move)
10085 (gnus-summary-goto-subject article)
10086 (gnus-summary-mark-article article gnus-canceled-mark)))))
10087 (push article articles-to-update-marks))
10090 (apply 'gnus-summary-remove-process-mark articles-to-update-marks))
10091 ;; Re-activate all groups that have been moved to.
10092 (with-current-buffer gnus-group-buffer
10093 (let ((gnus-group-marked to-groups))
10094 (gnus-group-get-new-news-this-group nil t)))
10096 (gnus-kill-buffer copy-buf)
10097 (gnus-summary-position-point)
10098 (gnus-set-mode-line 'summary)))
10100 (defun gnus-summary-push-marks-to-backend (article)
10102 (marks gnus-article-mark-lists))
10103 (unless (memq article gnus-newsgroup-unreads)
10106 (when (and (eq (gnus-article-mark-to-type (cdar marks)) 'list)
10107 (memq article (symbol-value
10108 (intern (format "gnus-newsgroup-%s"
10110 (push (cdar marks) set))
10112 (gnus-request-set-mark gnus-newsgroup-name `(((,article) set ,set)))))
10114 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
10115 "Copy the current article to some other group.
10116 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
10117 When called interactively, if TO-NEWSGROUP is nil, use the value of
10118 the variable `gnus-move-split-methods' for finding a default target
10120 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
10121 re-spool using this method."
10123 (gnus-summary-move-article n to-newsgroup select-method 'copy))
10125 (defun gnus-summary-crosspost-article (&optional n)
10126 "Crosspost the current article to some other group."
10128 (gnus-summary-move-article n nil nil 'crosspost))
10130 (defcustom gnus-summary-respool-default-method nil
10131 "Default method type for respooling an article.
10132 If nil, use to the current newsgroup method."
10134 :group 'gnus-summary-mail)
10136 (defun gnus-summary-respool-article (&optional n method)
10137 "Respool the current article.
10138 The article will be squeezed through the mail spooling process again,
10139 which means that it will be put in some mail newsgroup or other
10140 depending on `nnmail-split-methods'.
10141 If N is a positive number, respool the N next articles.
10142 If N is a negative number, respool the N previous articles.
10143 If N is nil and any articles have been marked with the process mark,
10144 respool those articles instead.
10146 Respooling can be done both from mail groups and \"real\" newsgroups.
10147 In the former case, the articles in question will be moved from the
10148 current group into whatever groups they are destined to. In the
10149 latter case, they will be copied into the relevant groups."
10151 (list current-prefix-arg
10152 (let* ((methods (mapcar #'car (gnus-methods-using 'respool)))
10154 (symbol-name (or gnus-summary-respool-default-method
10155 (car (gnus-find-method-for-group
10156 gnus-newsgroup-name)))))
10158 (gnus-completing-read
10159 "Backend to use when respooling"
10160 methods t nil 'gnus-mail-method-history methname))
10163 ((zerop (length (setq ms (gnus-servers-using-backend
10164 (intern method)))))
10165 (list (intern method) ""))
10169 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
10170 (cdr (assoc (gnus-completing-read "Server name" ms-alist t)
10173 (error "No method given for respooling"))
10174 (if (assoc (symbol-name
10175 (car (gnus-find-method-for-group gnus-newsgroup-name)))
10176 (gnus-methods-using 'respool))
10177 (gnus-summary-move-article n nil method)
10178 (gnus-summary-copy-article n nil method)))
10180 (defun gnus-summary-import-article (file &optional edit)
10181 "Import an arbitrary file into a mail newsgroup."
10182 (interactive "fImport file: \nP")
10183 (let ((group gnus-newsgroup-name)
10184 (now (current-time))
10185 atts lines group-art)
10186 (unless (gnus-check-backend-function 'request-accept-article group)
10187 (error "%s does not support article importing" group))
10188 (or (file-readable-p file)
10189 (not (file-regular-p file))
10190 (error "Can't read %s" file))
10191 (with-current-buffer (gnus-get-buffer-create " *import file*")
10193 (nnheader-insert-file-contents file)
10194 (goto-char (point-min))
10195 (if (nnheader-article-p)
10197 (goto-char (point-min))
10198 (search-forward "\n\n" nil t)
10199 (narrow-to-region (point-min) (1- (point)))
10200 (goto-char (point-min))
10201 (unless (re-search-forward "^date:" nil t)
10202 (goto-char (point-max))
10203 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
10204 ;; This doesn't look like an article, so we fudge some headers.
10205 (setq atts (file-attributes file)
10206 lines (count-lines (point-min) (point-max)))
10207 (insert "From: " (read-string "From: ") "\n"
10208 "Subject: " (read-string "Subject: ") "\n"
10209 "Date: " (message-make-date (nth 5 atts)) "\n"
10210 "Message-ID: " (message-make-message-id) "\n"
10211 "Lines: " (int-to-string lines) "\n"
10212 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
10213 (setq group-art (gnus-request-accept-article group nil t))
10214 (kill-buffer (current-buffer)))
10215 (setq gnus-newsgroup-active (gnus-activate-group group))
10217 (gnus-summary-goto-article (cdr group-art) nil t)
10219 (gnus-summary-edit-article))))
10221 (defun gnus-summary-create-article ()
10222 "Create an article in a mail newsgroup."
10224 (let ((group gnus-newsgroup-name)
10225 (now (current-time))
10227 (unless (gnus-check-backend-function 'request-accept-article group)
10228 (error "%s does not support article importing" group))
10229 (with-current-buffer (gnus-get-buffer-create " *import file*")
10231 (goto-char (point-min))
10232 ;; This doesn't look like an article, so we fudge some headers.
10233 (insert "From: " (read-string "From: ") "\n"
10234 "Subject: " (read-string "Subject: ") "\n"
10235 "Date: " (message-make-date now) "\n"
10236 "Message-ID: " (message-make-message-id) "\n")
10237 (setq group-art (gnus-request-accept-article group nil t))
10238 (kill-buffer (current-buffer)))
10239 (setq gnus-newsgroup-active (gnus-activate-group group))
10241 (gnus-summary-goto-article (cdr group-art) nil t)
10242 (gnus-summary-edit-article)))
10244 (defun gnus-summary-article-posted-p ()
10245 "Say whether the current (mail) article is available from news as well.
10246 This will be the case if the article has both been mailed and posted."
10248 (let ((id (mail-header-references (gnus-summary-article-header)))
10249 (gnus-override-method (car (gnus-refer-article-methods))))
10250 (if (gnus-request-head id "")
10251 (gnus-message 2 "The current message was found on %s"
10252 gnus-override-method)
10253 (gnus-message 2 "The current message couldn't be found on %s"
10254 gnus-override-method)
10257 (defun gnus-summary-expire-articles (&optional now)
10258 "Expire all articles that are marked as expirable in the current group."
10260 (when (and (not gnus-group-is-exiting-without-update-p)
10261 (gnus-check-backend-function
10262 'request-expire-articles gnus-newsgroup-name))
10263 ;; This backend supports expiry.
10264 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
10265 (expirable (if total
10267 ;; We need to update the info for
10268 ;; this group for `gnus-list-of-read-articles'
10269 ;; to give us the right answer.
10270 (gnus-run-hooks 'gnus-exit-group-hook)
10271 (gnus-summary-update-info)
10272 (gnus-list-of-read-articles gnus-newsgroup-name))
10273 (setq gnus-newsgroup-expirable
10274 (sort gnus-newsgroup-expirable '<))))
10275 (expiry-wait (if now 'immediate
10276 (gnus-group-find-parameter
10277 gnus-newsgroup-name 'expiry-wait)))
10278 (nnmail-expiry-target
10279 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
10280 nnmail-expiry-target))
10283 ;; There are expirable articles in this group, so we run them
10284 ;; through the expiry process.
10285 (gnus-message 6 "Expiring articles...")
10286 (unless (gnus-check-group gnus-newsgroup-name)
10287 (error "Can't open server for %s" gnus-newsgroup-name))
10288 ;; The list of articles that weren't expired is returned.
10291 (let ((nnmail-expiry-wait-function nil)
10292 (nnmail-expiry-wait expiry-wait))
10293 (setq es (gnus-request-expire-articles
10294 expirable gnus-newsgroup-name)))
10295 (setq es (gnus-request-expire-articles
10296 expirable gnus-newsgroup-name)))
10298 (setq gnus-newsgroup-expirable es))
10299 ;; We go through the old list of expirable, and mark all
10300 ;; really expired articles as nonexistent.
10301 (unless (eq es expirable) ;If nothing was expired, we don't mark.
10302 (let ((gnus-use-cache nil))
10303 (dolist (article expirable)
10304 (when (and (not (memq article es))
10305 (gnus-data-find article))
10306 (gnus-summary-mark-article article gnus-canceled-mark)
10307 (run-hook-with-args 'gnus-summary-article-expire-hook
10310 (assoc article (gnus-data-list nil)))
10311 gnus-newsgroup-name
10314 (gnus-message 6 "Expiring articles...done")))))
10316 (defun gnus-summary-expire-articles-now ()
10317 "Expunge all expirable articles in the current group.
10318 This means that *all* articles that are marked as expirable will be
10319 deleted forever, right now."
10321 (or gnus-expert-user
10323 "Are you really, really sure you want to delete all expirable messages? ")
10325 (gnus-summary-expire-articles t))
10327 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
10328 (defun gnus-summary-delete-article (&optional n)
10329 "Delete the N next (mail) articles.
10330 This command actually deletes articles. This is not a marking
10331 command. The article will disappear forever from your life, never to
10334 If N is negative, delete backwards.
10335 If N is nil and articles have been marked with the process mark,
10336 delete these instead.
10338 If `gnus-novice-user' is non-nil you will be asked for
10339 confirmation before the articles are deleted."
10341 (unless (gnus-check-backend-function 'request-expire-articles
10342 gnus-newsgroup-name)
10343 (error "The current newsgroup does not support article deletion"))
10344 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
10345 (error "Couldn't open server"))
10346 ;; Compute the list of articles to delete.
10347 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
10348 (nnmail-expiry-target 'delete)
10350 (if (and gnus-novice-user
10351 (not (gnus-yes-or-no-p
10352 (format "Do you really want to delete %s forever? "
10353 (if (> (length articles) 1)
10354 (format "these %s articles" (length articles))
10355 "this article")))))
10357 ;; Delete the articles.
10358 (setq not-deleted (gnus-request-expire-articles
10359 articles gnus-newsgroup-name 'force))
10362 (gnus-summary-remove-process-mark (car articles))
10363 ;; The backend might not have been able to delete the article
10365 (unless (memq (car articles) not-deleted)
10366 (gnus-summary-mark-article (car articles) gnus-canceled-mark)
10367 (let* ((article (car articles))
10368 (ghead (gnus-data-header
10369 (assoc article (gnus-data-list nil)))))
10370 (run-hook-with-args 'gnus-summary-article-delete-hook
10371 'delete ghead gnus-newsgroup-name nil
10373 (setq articles (cdr articles))))
10375 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
10376 (gnus-summary-position-point)
10377 (gnus-set-mode-line 'summary)
10380 (defun gnus-summary-edit-article (&optional arg)
10381 "Edit the current article.
10382 This will have permanent effect only in mail groups.
10383 If ARG is nil, edit the decoded articles.
10384 If ARG is 1, edit the raw articles.
10385 If ARG is 2, edit the raw articles even in read-only groups.
10386 If ARG is 3, edit the articles with the current handles.
10387 Otherwise, allow editing of articles even in read-only
10390 (let (force raw current-handles)
10399 (setq current-handles
10400 (and (gnus-buffer-live-p gnus-article-buffer)
10401 (with-current-buffer gnus-article-buffer
10403 gnus-article-mime-handles
10404 (setq gnus-article-mime-handles nil))))))
10407 (when (and raw (not force)
10408 (member gnus-newsgroup-name '("nndraft:delayed"
10411 (error "Can't edit the raw article in group %s"
10412 gnus-newsgroup-name))
10413 (with-current-buffer gnus-summary-buffer
10414 (let ((mail-parse-charset gnus-newsgroup-charset)
10415 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
10416 (gnus-set-global-variables)
10417 (when (and (not force)
10418 (gnus-group-read-only-p))
10419 (error "The current newsgroup does not support article editing"))
10420 (gnus-summary-show-article t)
10421 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
10422 (with-current-buffer gnus-article-buffer
10423 (mm-enable-multibyte)))
10424 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
10426 (gnus-article-edit-article
10429 (let ((mbl mml-buffer-list))
10430 (setq mml-buffer-list nil)
10431 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
10432 (mime-to-mml ,'current-handles))
10433 (let ((mbl1 mml-buffer-list))
10434 (setq mml-buffer-list mbl)
10435 (set (make-local-variable 'mml-buffer-list) mbl1))
10436 (gnus-make-local-hook 'kill-buffer-hook)
10437 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
10438 `(lambda (no-highlight)
10439 (let ((mail-parse-charset ',gnus-newsgroup-charset)
10440 (message-options message-options)
10441 (message-options-set-recipient)
10442 (mail-parse-ignored-charsets
10443 ',gnus-newsgroup-ignored-charsets)
10444 (rfc2047-header-encoding-alist
10445 ',(let ((charset (gnus-group-name-charset
10446 (gnus-find-method-for-group
10447 gnus-newsgroup-name)
10448 gnus-newsgroup-name)))
10449 (append (list (cons "Newsgroups" charset)
10450 (cons "Followup-To" charset)
10451 (cons "Xref" charset))
10452 rfc2047-header-encoding-alist))))
10453 ,(if (not raw) '(progn
10455 (mml-destroy-buffers)
10456 (remove-hook 'kill-buffer-hook
10457 'mml-destroy-buffers t)
10458 (kill-local-variable 'mml-buffer-list)))
10459 (gnus-summary-edit-article-done
10460 ,(or (mail-header-references gnus-current-headers) "")
10461 ,(gnus-group-read-only-p)
10462 ,gnus-summary-buffer no-highlight))))))))
10464 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
10466 (defun gnus-summary-edit-article-done (&optional references read-only buffer
10468 "Make edits to the current article permanent."
10471 ;; The buffer restriction contains the entire article if it exists.
10472 (when (article-goto-body)
10473 (let ((lines (count-lines (point) (point-max)))
10474 (length (- (point-max) (point)))
10475 (case-fold-search t)
10476 (body (copy-marker (point))))
10477 (goto-char (point-min))
10478 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
10479 (delete-region (match-beginning 1) (match-end 1))
10480 (insert (number-to-string length)))
10481 (goto-char (point-min))
10482 (when (re-search-forward
10483 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
10484 (delete-region (match-beginning 1) (match-end 1))
10485 (insert (number-to-string length)))
10486 (goto-char (point-min))
10487 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
10488 (delete-region (match-beginning 1) (match-end 1))
10489 (insert (number-to-string lines))))))
10490 ;; Replace the article.
10491 (let ((buf (current-buffer))
10492 (article (cdr gnus-article-current))
10495 (insert-buffer-substring buf)
10496 (if (and (not read-only)
10497 (not (setq replace-result
10498 (gnus-request-replace-article
10499 article (car gnus-article-current)
10500 (current-buffer) t))))
10501 (error "Couldn't replace article")
10502 ;; If we got a number back, then that's the new article number
10503 ;; for this article. Otherwise, the article number didn't change.
10504 (when (numberp replace-result)
10505 (with-current-buffer gnus-summary-buffer
10506 (setq gnus-newsgroup-limit (delq article gnus-newsgroup-limit))
10507 (gnus-summary-limit gnus-newsgroup-limit)
10508 (setq article replace-result)
10509 (gnus-summary-goto-subject article t)))
10510 ;; Update the summary buffer.
10511 (if (and references
10512 (equal (message-tokenize-header references " ")
10513 (message-tokenize-header
10514 (or (message-fetch-field "references") "") " ")))
10515 ;; We only have to update this line.
10518 (message-narrow-to-head)
10519 (let ((head (buffer-substring-no-properties
10520 (point-min) (point-max)))
10523 (insert (format "211 %d Article retrieved.\n" article))
10526 (let ((nntp-server-buffer (current-buffer)))
10527 (setq header (car (gnus-get-newsgroup-headers nil t))))
10528 (with-current-buffer gnus-summary-buffer
10529 (gnus-data-set-header (gnus-data-find article) header)
10530 (gnus-summary-update-article-line article header)
10531 (if (gnus-summary-goto-subject article nil t)
10532 (gnus-summary-update-secondary-mark article)))))))
10534 (set-buffer (or buffer gnus-summary-buffer))
10535 (gnus-summary-update-article article)
10536 (if (gnus-summary-goto-subject article nil t)
10537 (gnus-summary-update-secondary-mark article)))
10538 ;; Prettify the article buffer again.
10539 (unless no-highlight
10540 (with-current-buffer gnus-article-buffer
10541 ;;!!! Fix this -- article should be rehighlighted.
10542 ;;(gnus-run-hooks 'gnus-article-display-hook)
10543 (set-buffer gnus-original-article-buffer)
10544 (gnus-request-article
10545 article (car gnus-article-current) (current-buffer))))
10546 ;; Prettify the summary buffer line.
10547 (when (gnus-visual-p 'summary-highlight 'highlight)
10548 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
10550 (defun gnus-summary-edit-wash (key)
10551 "Perform editing command KEY in the article buffer."
10555 (message "%s" (concat (this-command-keys) "- "))
10558 (gnus-summary-edit-article)
10559 (execute-kbd-macro (concat (this-command-keys) key))
10560 (gnus-article-edit-done))
10564 (defun gnus-summary-respool-query (&optional silent trace)
10565 "Query where the respool algorithm would put this article."
10567 (let (gnus-mark-article-hook)
10568 (gnus-summary-select-article)
10569 (with-current-buffer gnus-original-article-buffer
10570 (let ((groups (nnmail-article-group 'identity trace)))
10573 (message "This message would go to %s"
10574 (mapconcat 'car groups ", "))
10575 (message "This message would go to no groups"))
10578 (defun gnus-summary-respool-trace ()
10579 "Trace where the respool algorithm would put this article.
10580 Display a buffer showing all fancy splitting patterns which matched."
10582 (gnus-summary-respool-query nil t))
10584 ;; Summary marking commands.
10586 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
10587 "Mark articles which has the same subject as read, and then select the next.
10588 If UNMARK is positive, remove any kind of mark.
10589 If UNMARK is negative, tick articles."
10592 (setq unmark (prefix-numeric-value unmark)))
10594 (gnus-summary-mark-same-subject
10595 (gnus-summary-article-subject) unmark)))
10596 ;; Select next unread article. If auto-select-same mode, should
10597 ;; select the first unread article.
10598 (gnus-summary-next-article t (and gnus-auto-select-same
10599 (gnus-summary-article-subject)))
10600 (gnus-message 7 "%d article%s marked as %s"
10601 count (if (= count 1) " is" "s are")
10602 (if unmark "unread" "read"))))
10604 (defun gnus-summary-kill-same-subject (&optional unmark)
10605 "Mark articles which has the same subject as read.
10606 If UNMARK is positive, remove any kind of mark.
10607 If UNMARK is negative, tick articles."
10610 (setq unmark (prefix-numeric-value unmark)))
10612 (gnus-summary-mark-same-subject
10613 (gnus-summary-article-subject) unmark)))
10614 ;; If marked as read, go to next unread subject.
10615 (when (null unmark)
10616 ;; Go to next unread subject.
10617 (gnus-summary-next-subject 1 t))
10618 (gnus-message 7 "%d articles are marked as %s"
10619 count (if unmark "unread" "read"))))
10621 (defun gnus-summary-mark-same-subject (subject &optional unmark)
10622 "Mark articles with same SUBJECT as read, and return marked number.
10623 If optional argument UNMARK is positive, remove any kinds of marks.
10624 If optional argument UNMARK is negative, mark articles as unread instead."
10628 ((null unmark) ; Mark as read.
10631 (gnus-summary-mark-article-as-read gnus-killed-mark)
10632 (gnus-summary-show-thread) t)
10633 (gnus-summary-find-subject subject))
10634 (setq count (1+ count))))
10635 ((> unmark 0) ; Tick.
10638 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
10639 (gnus-summary-show-thread) t)
10640 (gnus-summary-find-subject subject))
10641 (setq count (1+ count))))
10642 (t ; Mark as unread.
10645 (gnus-summary-mark-article-as-unread gnus-unread-mark)
10646 (gnus-summary-show-thread) t)
10647 (gnus-summary-find-subject subject))
10648 (setq count (1+ count)))))
10649 (gnus-set-mode-line 'summary)
10650 ;; Return the number of marked articles.
10653 (defun gnus-summary-mark-as-processable (n &optional unmark)
10654 "Set the process mark on the next N articles.
10655 If N is negative, mark backward instead. If UNMARK is non-nil, remove
10656 the process mark instead. The difference between N and the actual
10657 number of articles marked is returned."
10659 (if (and (null n) (gnus-region-active-p))
10660 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10661 (setq n (prefix-numeric-value n))
10662 (let ((backward (< n 0))
10667 (gnus-summary-remove-process-mark
10668 (gnus-summary-article-number))
10669 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10670 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10673 (gnus-message 7 "No more articles"))
10674 (gnus-summary-recenter)
10675 (gnus-summary-position-point)
10678 (defun gnus-summary-unmark-as-processable (n)
10679 "Remove the process mark from the next N articles.
10680 If N is negative, unmark backward instead. The difference between N and
10681 the actual number of articles unmarked is returned."
10683 (gnus-summary-mark-as-processable n t))
10685 (defun gnus-summary-unmark-all-processable ()
10686 "Remove the process mark from all articles."
10689 (while gnus-newsgroup-processable
10690 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10691 (gnus-summary-position-point))
10693 (defun gnus-summary-add-mark (article type)
10694 "Mark ARTICLE with a mark of TYPE."
10695 (let ((vtype (car (assq type gnus-article-mark-lists)))
10698 (error "No such mark type: %s" type)
10699 (setq var (intern (format "gnus-newsgroup-%s" type)))
10700 (set var (cons article (symbol-value var)))
10701 (if (memq type '(processable cached replied forwarded recent saved))
10702 (gnus-summary-update-secondary-mark article)
10703 ;;; !!! This is bogus. We should find out what primary
10704 ;;; !!! mark we want to set.
10705 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10707 (defun gnus-summary-mark-as-expirable (n)
10708 "Mark N articles forward as expirable.
10709 If N is negative, mark backward instead. The difference between N and
10710 the actual number of articles marked is returned."
10712 (gnus-summary-mark-forward n gnus-expirable-mark))
10714 (defun gnus-summary-mark-as-spam (n)
10715 "Mark N articles forward as spam.
10716 If N is negative, mark backward instead. The difference between N and
10717 the actual number of articles marked is returned."
10719 (gnus-summary-mark-forward n gnus-spam-mark))
10721 (defun gnus-summary-mark-article-as-replied (article)
10722 "Mark ARTICLE as replied to and update the summary line.
10723 ARTICLE can also be a list of articles."
10724 (interactive (list (gnus-summary-article-number)))
10725 (let ((articles (if (listp article) article (list article))))
10726 (dolist (article articles)
10727 (unless (numberp article)
10728 (error "%s is not a number" article))
10729 (push article gnus-newsgroup-replied)
10730 (let ((inhibit-read-only t))
10731 (when (gnus-summary-goto-subject article nil t)
10732 (gnus-summary-update-secondary-mark article))))))
10734 (defun gnus-summary-mark-article-as-forwarded (article)
10735 "Mark ARTICLE as forwarded and update the summary line.
10736 ARTICLE can also be a list of articles."
10737 (let ((articles (if (listp article) article (list article))))
10738 (dolist (article articles)
10739 (push article gnus-newsgroup-forwarded)
10740 (let ((inhibit-read-only t))
10741 (when (gnus-summary-goto-subject article nil t)
10742 (gnus-summary-update-secondary-mark article))))))
10744 (defun gnus-summary-set-bookmark (article)
10745 "Set a bookmark in current article."
10746 (interactive (list (gnus-summary-article-number)))
10747 (when (or (not (get-buffer gnus-article-buffer))
10748 (not gnus-current-article)
10749 (not gnus-article-current)
10750 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10751 (error "No current article selected"))
10752 ;; Remove old bookmark, if one exists.
10753 (gnus-alist-pull article gnus-newsgroup-bookmarks)
10754 ;; Set the new bookmark, which is on the form
10755 ;; (article-number . line-number-in-body).
10758 (with-current-buffer gnus-article-buffer
10762 (article-goto-body)
10765 gnus-newsgroup-bookmarks)
10766 (gnus-message 6 "A bookmark has been added to the current article."))
10768 (defun gnus-summary-remove-bookmark (article)
10769 "Remove the bookmark from the current article."
10770 (interactive (list (gnus-summary-article-number)))
10771 ;; Remove old bookmark, if one exists.
10772 (if (not (assq article gnus-newsgroup-bookmarks))
10773 (gnus-message 6 "No bookmark in current article.")
10774 (gnus-alist-pull article gnus-newsgroup-bookmarks)
10775 (gnus-message 6 "Removed bookmark.")))
10777 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10778 (defun gnus-summary-mark-as-dormant (n)
10779 "Mark N articles forward as dormant.
10780 If N is negative, mark backward instead. The difference between N and
10781 the actual number of articles marked is returned."
10783 (gnus-summary-mark-forward n gnus-dormant-mark))
10785 (defun gnus-summary-set-process-mark (article)
10786 "Set the process mark on ARTICLE and update the summary line."
10787 (setq gnus-newsgroup-processable
10789 (delq article gnus-newsgroup-processable)))
10790 (when (gnus-summary-goto-subject article)
10791 (gnus-summary-show-thread)
10792 (gnus-summary-goto-subject article)
10793 (gnus-summary-update-secondary-mark article)))
10795 (defun gnus-summary-remove-process-mark (&rest articles)
10796 "Remove the process mark from ARTICLES and update the summary line."
10797 (dolist (article articles)
10798 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10799 (when (gnus-summary-goto-subject article)
10800 (gnus-summary-show-thread)
10801 (gnus-summary-goto-subject article)
10802 (gnus-summary-update-secondary-mark article)))
10805 (defun gnus-summary-set-saved-mark (article)
10806 "Set the process mark on ARTICLE and update the summary line."
10807 (push article gnus-newsgroup-saved)
10808 (when (gnus-summary-goto-subject article)
10809 (gnus-summary-update-secondary-mark article)))
10811 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10812 "Mark N articles as read forwards.
10813 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10814 The difference between N and the actual number of articles marked is
10816 If NO-EXPIRE, auto-expiry will be inhibited."
10818 (gnus-summary-show-thread)
10819 (let ((backward (< n 0))
10820 (gnus-summary-goto-unread
10821 (and gnus-summary-goto-unread
10822 (not (eq gnus-summary-goto-unread 'never))
10823 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10824 gnus-ticked-mark gnus-dormant-mark)))))
10826 (mark (or mark gnus-del-mark)))
10827 (while (and (> n 0)
10828 (gnus-summary-mark-article nil mark no-expire)
10829 (zerop (gnus-summary-next-subject
10831 (and gnus-summary-goto-unread
10832 (not (eq gnus-summary-goto-unread 'never)))
10836 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10837 (gnus-summary-recenter)
10838 (gnus-summary-position-point)
10839 (gnus-set-mode-line 'summary)
10842 (defun gnus-summary-mark-article-as-read (mark)
10843 "Mark the current article quickly as read with MARK."
10844 (let ((article (gnus-summary-article-number)))
10845 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10846 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10847 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10848 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10849 (push (cons article mark) gnus-newsgroup-reads)
10850 ;; Possibly remove from cache, if that is used.
10851 (when gnus-use-cache
10852 (gnus-cache-enter-remove-article article))
10853 ;; Allow the backend to change the mark.
10854 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10855 ;; Check for auto-expiry.
10856 (when (and gnus-newsgroup-auto-expire
10857 (memq mark gnus-auto-expirable-marks))
10858 (setq mark gnus-expirable-mark)
10859 ;; Let the backend know about the mark change.
10860 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10861 (push article gnus-newsgroup-expirable))
10862 ;; Set the mark in the buffer.
10863 (gnus-summary-update-mark mark 'unread)
10866 (defun gnus-summary-mark-article-as-unread (mark)
10867 "Mark the current article quickly as unread with MARK."
10868 (let* ((article (gnus-summary-article-number))
10869 (old-mark (gnus-summary-article-mark article)))
10870 ;; Allow the backend to change the mark.
10871 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10872 (if (eq mark old-mark)
10876 (gnus-error 1 "Can't mark negative article numbers")
10878 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10879 (setq gnus-newsgroup-spam-marked
10880 (delq article gnus-newsgroup-spam-marked))
10881 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10882 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10883 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10884 (cond ((= mark gnus-ticked-mark)
10885 (setq gnus-newsgroup-marked
10886 (gnus-add-to-sorted-list gnus-newsgroup-marked
10888 ((= mark gnus-spam-mark)
10889 (setq gnus-newsgroup-spam-marked
10890 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10892 ((= mark gnus-dormant-mark)
10893 (setq gnus-newsgroup-dormant
10894 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10897 (setq gnus-newsgroup-unreads
10898 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10900 (gnus-alist-pull article gnus-newsgroup-reads)
10902 ;; See whether the article is to be put in the cache.
10903 (and gnus-use-cache
10904 (vectorp (gnus-summary-article-header article))
10906 (gnus-cache-possibly-enter-article
10907 gnus-newsgroup-name article
10908 (= mark gnus-ticked-mark)
10909 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10912 (gnus-summary-update-mark mark 'unread)
10915 (defun gnus-summary-mark-article (&optional article mark no-expire)
10916 "Mark ARTICLE with MARK. MARK can be any character.
10917 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10918 `??' (dormant) and `?E' (expirable).
10919 If MARK is nil, then the default character `?r' is used.
10920 If ARTICLE is nil, then the article on the current line will be
10922 If NO-EXPIRE, auto-expiry will be inhibited."
10923 ;; The mark might be a string.
10924 (when (stringp mark)
10925 (setq mark (aref mark 0)))
10926 ;; If no mark is given, then we check auto-expiring.
10928 (setq mark gnus-del-mark))
10929 (when (and (not no-expire)
10930 gnus-newsgroup-auto-expire
10931 (memq mark gnus-auto-expirable-marks))
10932 (setq mark gnus-expirable-mark))
10933 (let ((article (or article (gnus-summary-article-number)))
10934 (old-mark (gnus-summary-article-mark article)))
10935 ;; Allow the backend to change the mark.
10936 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10937 (if (eq mark old-mark)
10940 (error "No article on current line"))
10941 (if (not (if (or (= mark gnus-unread-mark)
10942 (= mark gnus-ticked-mark)
10943 (= mark gnus-spam-mark)
10944 (= mark gnus-dormant-mark))
10945 (gnus-mark-article-as-unread article mark)
10946 (gnus-mark-article-as-read article mark)))
10948 ;; See whether the article is to be put in the cache.
10949 (and gnus-use-cache
10950 (not (= mark gnus-canceled-mark))
10951 (vectorp (gnus-summary-article-header article))
10953 (gnus-cache-possibly-enter-article
10954 gnus-newsgroup-name article
10955 (= mark gnus-ticked-mark)
10956 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10958 (when (gnus-summary-goto-subject article nil t)
10959 (let ((inhibit-read-only t))
10960 (gnus-summary-show-thread)
10962 (gnus-summary-update-mark mark 'unread)
10965 (defun gnus-summary-update-secondary-mark (article)
10966 "Update the secondary (read, process, cache) mark."
10967 (gnus-summary-update-mark
10968 (cond ((memq article gnus-newsgroup-processable)
10970 ((memq article gnus-newsgroup-cached)
10972 ((memq article gnus-newsgroup-replied)
10974 ((memq article gnus-newsgroup-forwarded)
10975 gnus-forwarded-mark)
10976 ((memq article gnus-newsgroup-saved)
10978 ((memq article gnus-newsgroup-recent)
10980 ((memq article gnus-newsgroup-unseen)
10984 (when (gnus-visual-p 'summary-highlight 'highlight)
10985 (gnus-summary-highlight-line)
10986 (gnus-run-hooks 'gnus-summary-update-hook))
10989 (defun gnus-summary-update-download-mark (article)
10990 "Update the download mark."
10991 (gnus-summary-update-mark
10992 (cond ((memq article gnus-newsgroup-undownloaded)
10993 gnus-undownloaded-mark)
10994 (gnus-newsgroup-agentized
10995 gnus-downloaded-mark)
10999 (gnus-summary-update-line t)
11002 (defun gnus-summary-update-mark (mark type)
11003 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
11004 (inhibit-read-only t))
11005 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
11007 (when (looking-at "\r")
11009 (when (<= (+ forward (point)) (point-max))
11010 ;; Go to the right position on the line.
11011 (goto-char (+ forward (point)))
11012 ;; Replace the old mark with the new mark.
11014 (mm-subst-char-in-string
11016 (buffer-substring (point) (1+ (point))))))
11017 (delete-region (point) (1+ (point)))
11018 (insert to-insert))
11019 ;; Optionally update the marks by some user rule.
11020 (when (eq type 'unread)
11021 (gnus-data-set-mark
11022 (gnus-data-find (gnus-summary-article-number)) mark)
11023 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
11025 (defun gnus-mark-article-as-read (article &optional mark)
11026 "Enter ARTICLE in the pertinent lists and remove it from others."
11027 ;; Make the article expirable.
11028 (let ((mark (or mark gnus-del-mark)))
11029 (setq gnus-newsgroup-expirable
11030 (if (= mark gnus-expirable-mark)
11031 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
11032 (delq article gnus-newsgroup-expirable)))
11033 ;; Remove from unread and marked lists.
11034 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11035 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
11036 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
11037 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
11038 (push (cons article mark) gnus-newsgroup-reads)
11039 ;; Possibly remove from cache, if that is used.
11040 (when gnus-use-cache
11041 (gnus-cache-enter-remove-article article))
11044 (defun gnus-mark-article-as-unread (article &optional mark)
11045 "Enter ARTICLE in the pertinent lists and remove it from others."
11046 (let ((mark (or mark gnus-ticked-mark)))
11049 (gnus-error 1 "Can't mark negative article numbers")
11051 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
11052 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
11053 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
11054 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
11055 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11057 ;; Unsuppress duplicates?
11058 (when gnus-suppress-duplicates
11059 (gnus-dup-unsuppress-article article))
11061 (cond ((= mark gnus-ticked-mark)
11062 (setq gnus-newsgroup-marked
11063 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
11064 ((= mark gnus-spam-mark)
11065 (setq gnus-newsgroup-spam-marked
11066 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
11068 ((= mark gnus-dormant-mark)
11069 (setq gnus-newsgroup-dormant
11070 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
11072 (setq gnus-newsgroup-unreads
11073 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
11074 (gnus-alist-pull article gnus-newsgroup-reads)
11077 (defun gnus-summary-tick-article-forward (n)
11078 "Tick N articles forwards.
11079 If N is negative, tick backwards instead.
11080 The difference between N and the number of articles ticked is returned."
11082 (gnus-summary-mark-forward n gnus-ticked-mark))
11084 (defun gnus-summary-tick-article-backward (n)
11085 "Tick N articles backwards.
11086 The difference between N and the number of articles ticked is returned."
11088 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
11090 (defun gnus-summary-tick-article (&optional article clear-mark)
11091 "Mark current article as unread.
11092 Optional 1st argument ARTICLE specifies article number to be marked as unread.
11093 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
11095 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
11096 gnus-ticked-mark)))
11098 (defun gnus-summary-mark-as-read-forward (n)
11099 "Mark N articles as read forwards.
11100 If N is negative, mark backwards instead.
11101 The difference between N and the actual number of articles marked is
11104 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
11106 (defun gnus-summary-mark-as-read-backward (n)
11107 "Mark the N articles as read backwards.
11108 The difference between N and the actual number of articles marked is
11111 (gnus-summary-mark-forward
11112 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
11114 (defun gnus-summary-mark-as-read (&optional article mark)
11115 "Mark current article as read.
11116 ARTICLE specifies the article to be marked as read.
11117 MARK specifies a string to be inserted at the beginning of the line."
11118 (gnus-summary-mark-article article mark))
11120 (defun gnus-summary-clear-mark-forward (n)
11121 "Clear marks from N articles forward.
11122 If N is negative, clear backward instead.
11123 The difference between N and the number of marks cleared is returned."
11125 (gnus-summary-mark-forward n gnus-unread-mark))
11127 (defun gnus-summary-clear-mark-backward (n)
11128 "Clear marks from N articles backward.
11129 The difference between N and the number of marks cleared is returned."
11131 (gnus-summary-mark-forward (- n) gnus-unread-mark))
11133 (defun gnus-summary-mark-unread-as-read ()
11134 "Intended to be used by `gnus-mark-article-hook'."
11135 (when (memq gnus-current-article gnus-newsgroup-unreads)
11136 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
11138 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
11139 "Intended to be used by `gnus-mark-article-hook'."
11140 (let ((mark (gnus-summary-article-mark)))
11141 (when (or (gnus-unread-mark-p mark)
11142 (gnus-read-mark-p mark))
11143 (gnus-summary-mark-article gnus-current-article
11144 (or new-mark gnus-read-mark)))))
11146 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
11147 "Intended to be used by `gnus-mark-article-hook'."
11148 (let ((mark (gnus-summary-article-mark)))
11149 (when (or (gnus-unread-mark-p mark)
11150 (gnus-read-mark-p mark))
11151 (gnus-summary-mark-article (gnus-summary-article-number)
11152 (or new-mark gnus-read-mark)))))
11154 (defun gnus-summary-mark-unread-as-ticked ()
11155 "Intended to be used by `gnus-mark-article-hook'."
11156 (when (memq gnus-current-article gnus-newsgroup-unreads)
11157 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
11159 (defun gnus-summary-mark-region-as-read (point mark all)
11160 "Mark all unread articles between point and mark as read.
11161 If given a prefix, mark all articles between point and mark as read,
11162 even ticked and dormant ones."
11163 (interactive "r\nP")
11167 (beginning-of-line)
11172 (memq (setq article (gnus-summary-article-number))
11173 gnus-newsgroup-unreads))
11174 (gnus-summary-mark-article article gnus-del-mark))
11176 (gnus-summary-find-next))))))
11178 (defun gnus-summary-mark-below (score mark)
11179 "Mark articles with score less than SCORE with MARK."
11180 (interactive "P\ncMark: ")
11181 (setq score (if score
11182 (prefix-numeric-value score)
11183 (or gnus-summary-default-score 0)))
11184 (with-current-buffer gnus-summary-buffer
11185 (goto-char (point-min))
11188 (and (< (gnus-summary-article-score) score)
11189 (gnus-summary-mark-article nil mark))
11190 (gnus-summary-find-next)))))
11192 (defun gnus-summary-kill-below (&optional score)
11193 "Mark articles with score below SCORE as read."
11195 (gnus-summary-mark-below score gnus-killed-mark))
11197 (defun gnus-summary-clear-above (&optional score)
11198 "Clear all marks from articles with score above SCORE."
11200 (gnus-summary-mark-above score gnus-unread-mark))
11202 (defun gnus-summary-tick-above (&optional score)
11203 "Tick all articles with score above SCORE."
11205 (gnus-summary-mark-above score gnus-ticked-mark))
11207 (defun gnus-summary-mark-above (score mark)
11208 "Mark articles with score over SCORE with MARK."
11209 (interactive "P\ncMark: ")
11210 (setq score (if score
11211 (prefix-numeric-value score)
11212 (or gnus-summary-default-score 0)))
11213 (with-current-buffer gnus-summary-buffer
11214 (goto-char (point-min))
11216 (when (> (gnus-summary-article-score) score)
11217 (gnus-summary-mark-article nil mark))
11219 (gnus-summary-find-next)))))
11221 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
11222 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
11223 (defun gnus-summary-limit-include-expunged (&optional no-error)
11224 "Display all the hidden articles that were expunged for low scores."
11226 (let ((inhibit-read-only t))
11227 (let ((scored gnus-newsgroup-scored)
11230 (unless (gnus-summary-article-header (caar scored))
11231 (and (setq h (gnus-number-to-header (caar scored)))
11232 (< (cdar scored) gnus-summary-expunge-below)
11234 (setq scored (cdr scored)))
11236 (when (not no-error)
11237 (error "No expunged articles hidden"))
11238 (goto-char (point-min))
11239 (push gnus-newsgroup-limit gnus-newsgroup-limits)
11240 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
11241 (dolist (x headers)
11242 (push (mail-header-number x) gnus-newsgroup-limit))
11243 (gnus-summary-prepare-unthreaded (nreverse headers))
11244 (goto-char (point-min))
11245 (gnus-summary-position-point)
11248 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
11249 "Mark all unread articles in this newsgroup as read.
11250 If prefix argument ALL is non-nil, ticked and dormant articles will
11251 also be marked as read.
11252 If QUIETLY is non-nil, no questions will be asked.
11254 If TO-HERE is non-nil, it should be a point in the buffer. All
11255 articles before (after, if REVERSE is set) this point will be marked
11258 Note that this function will only catch up the unread article
11259 in the current summary buffer limitation.
11261 The number of articles marked as read is returned."
11266 (not gnus-interactive-catchup) ;Without confirmation?
11270 "Mark absolutely all articles as read? "
11271 "Mark all unread articles as read? ")))
11273 (not gnus-newsgroup-adaptive)
11274 (not gnus-newsgroup-auto-expire)
11275 (not gnus-suppress-duplicates)
11276 (or (not gnus-use-cache)
11277 (eq gnus-use-cache 'passive)))
11280 (setq gnus-newsgroup-marked nil
11281 gnus-newsgroup-spam-marked nil
11282 gnus-newsgroup-dormant nil))
11283 (setq gnus-newsgroup-unreads
11284 (gnus-sorted-nunion
11285 (gnus-sorted-intersection gnus-newsgroup-unreads
11286 gnus-newsgroup-downloadable)
11287 (gnus-sorted-difference gnus-newsgroup-unfetched
11288 gnus-newsgroup-cached))))
11289 ;; We actually mark all articles as canceled, which we
11290 ;; have to do when using auto-expiry or adaptive scoring.
11291 (gnus-summary-show-all-threads)
11292 (if (and to-here reverse)
11294 (goto-char to-here)
11295 (gnus-summary-mark-current-read-and-unread-as-read
11297 (while (gnus-summary-find-next (not all))
11298 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
11299 (when (gnus-summary-first-subject (not all))
11301 (if to-here (< (point) to-here) t)
11302 (gnus-summary-mark-article-as-read gnus-catchup-mark)
11303 (gnus-summary-find-next (not all))))))
11304 (gnus-set-mode-line 'summary))
11306 (gnus-summary-position-point)))
11308 (defun gnus-summary-catchup-to-here (&optional all)
11309 "Mark all unticked articles before the current one as read.
11310 If ALL is non-nil, also mark ticked and dormant articles as read."
11313 (gnus-save-hidden-threads
11314 (let ((beg (point)))
11315 ;; We check that there are unread articles.
11316 (when (or all (gnus-summary-find-prev))
11317 (gnus-summary-catchup all t beg)))))
11318 (gnus-summary-position-point))
11320 (defun gnus-summary-catchup-from-here (&optional all)
11321 "Mark all unticked articles after (and including) the current one as read.
11322 If ALL is non-nil, also mark ticked and dormant articles as read."
11325 (gnus-save-hidden-threads
11326 (let ((beg (point)))
11327 ;; We check that there are unread articles.
11328 (when (or all (gnus-summary-find-next))
11329 (gnus-summary-catchup all t beg nil t)))))
11330 (gnus-summary-position-point))
11332 (defun gnus-summary-catchup-all (&optional quietly)
11333 "Mark all articles in this newsgroup as read.
11334 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
11335 instead, which marks only unread articles as read."
11337 (gnus-summary-catchup t quietly))
11339 (defun gnus-summary-catchup-and-exit (&optional all quietly)
11340 "Mark all unread articles in this group as read, then exit.
11341 If prefix argument ALL is non-nil, all articles are marked as read.
11342 If QUIETLY is non-nil, no questions will be asked."
11344 (when (gnus-summary-catchup all quietly nil 'fast)
11345 ;; Select next newsgroup or exit.
11346 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
11347 (eq gnus-auto-select-next 'quietly))
11348 (gnus-summary-next-group nil)
11349 (gnus-summary-exit))))
11351 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
11352 "Mark all articles in this newsgroup as read, and then exit.
11353 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
11354 instead, which marks only unread articles as read."
11356 (gnus-summary-catchup-and-exit t quietly))
11358 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
11359 "Mark all articles in this group as read and select the next group.
11360 If given a prefix, mark all articles, unread as well as ticked, as
11364 (gnus-summary-catchup all))
11365 (gnus-summary-next-group))
11367 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
11368 "Mark all articles in this group as read and select the previous group.
11369 If given a prefix, mark all articles, unread as well as ticked, as
11373 (gnus-summary-catchup all))
11374 (gnus-summary-next-group nil nil t))
11380 (defmacro gnus-with-article (article &rest forms)
11381 "Select ARTICLE and perform FORMS in the original article buffer.
11382 Then replace the article with the result."
11384 ;; We don't want the article to be marked as read.
11385 (let (gnus-mark-article-hook)
11386 (gnus-summary-select-article t t nil ,article))
11387 (set-buffer gnus-original-article-buffer)
11389 (if (not (gnus-check-backend-function
11390 'request-replace-article (car gnus-article-current)))
11391 (gnus-message 5 "Read-only group; not replacing")
11392 (unless (gnus-request-replace-article
11393 ,article (car gnus-article-current)
11394 (current-buffer) t)
11395 (error "Couldn't replace article")))
11396 ;; The cache and backlog have to be flushed somewhat.
11397 (when gnus-keep-backlog
11398 (gnus-backlog-remove-article
11399 (car gnus-article-current) (cdr gnus-article-current)))
11400 (when gnus-use-cache
11401 (gnus-cache-update-article
11402 (car gnus-article-current) (cdr gnus-article-current)))))
11404 (put 'gnus-with-article 'lisp-indent-function 1)
11405 (put 'gnus-with-article 'edebug-form-spec '(form body))
11407 ;; Thread-based commands.
11409 (defun gnus-summary-articles-in-thread (&optional article)
11410 "Return a list of all articles in the current thread.
11411 If ARTICLE is non-nil, return all articles in the thread that starts
11412 with that article."
11413 (let* ((article (or article (gnus-summary-article-number)))
11414 (data (gnus-data-find-list article))
11415 (top-level (gnus-data-level (car data)))
11417 (cond ((null gnus-thread-operation-ignore-subject)
11418 (gnus-simplify-subject-re
11419 (mail-header-subject (gnus-data-header (car data)))))
11420 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
11421 (gnus-simplify-subject-fuzzy
11422 (mail-header-subject (gnus-data-header (car data)))))
11424 (end-point (save-excursion
11425 (goto-char (gnus-data-pos (car data)))
11426 (if (gnus-summary-go-to-next-thread)
11427 (point) (point-max))))
11430 (< (gnus-data-pos (car data)) end-point))
11431 (when (or (not top-subject)
11432 (string= top-subject
11433 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
11434 (gnus-simplify-subject-fuzzy
11435 (mail-header-subject
11436 (gnus-data-header (car data))))
11437 (gnus-simplify-subject-re
11438 (mail-header-subject
11439 (gnus-data-header (car data)))))))
11440 (push (gnus-data-number (car data)) articles))
11441 (unless (and (setq data (cdr data))
11442 (> (gnus-data-level (car data)) top-level))
11444 ;; Return the list of articles.
11445 (nreverse articles)))
11447 (defun gnus-summary-rethread-current ()
11448 "Rethread the thread the current article is part of."
11450 (let* ((gnus-show-threads t)
11451 (article (gnus-summary-article-number))
11452 (id (mail-header-id (gnus-summary-article-header)))
11453 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
11455 (error "No article on the current line"))
11456 (gnus-rebuild-thread id)
11457 (gnus-summary-goto-subject article)))
11459 (defun gnus-summary-reparent-thread ()
11460 "Make the current article child of the marked (or previous) article.
11462 Note that the re-threading will only work if `gnus-thread-ignore-subject'
11463 is non-nil or the Subject: of both articles are the same."
11465 (unless (not (gnus-group-read-only-p))
11466 (error "The current newsgroup does not support article editing"))
11467 (unless (<= (length gnus-newsgroup-processable) 1)
11468 (error "No more than one article may be marked"))
11469 (let ((child (gnus-summary-article-number))
11470 ;; First grab the marked article, otherwise one line up.
11471 (parent (if (not (null gnus-newsgroup-processable))
11472 (car gnus-newsgroup-processable)
11474 (if (eq (forward-line -1) 0)
11475 (gnus-summary-article-number)
11476 (error "Beginning of summary buffer"))))))
11477 (gnus-summary-reparent-children parent (list child))))
11479 (defun gnus-summary-reparent-children (parent children)
11480 "Make PARENT the parent of CHILDREN.
11481 When called interactively, PARENT is the current article and CHILDREN
11482 are the process-marked articles."
11484 (list (gnus-summary-article-number)
11485 (gnus-summary-work-articles nil)))
11486 (dolist (child children)
11487 (save-window-excursion
11488 (let ((gnus-article-buffer " *reparent*"))
11489 (unless (not (eq parent child))
11490 (error "An article may not be self-referential"))
11491 (let ((message-id (mail-header-id
11492 (gnus-summary-article-header parent))))
11493 (unless (and message-id (not (equal message-id "")))
11494 (error "No message-id in desired parent"))
11495 (gnus-with-article child
11497 (goto-char (point-min))
11498 (message-narrow-to-head)
11499 (if (re-search-forward "^References: " nil t)
11501 (re-search-forward "^[^ \t]" nil t)
11504 (insert " " message-id))
11505 (insert "References: " message-id "\n"))))
11506 (set-buffer gnus-summary-buffer)
11507 (gnus-summary-unmark-all-processable)
11508 (gnus-summary-update-article child)
11509 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
11510 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
11511 (gnus-summary-rethread-current)
11512 (gnus-message 3 "Article %d is now the child of article %d"
11515 (defun gnus-summary-toggle-threads (&optional arg)
11516 "Toggle showing conversation threads.
11517 If ARG is positive number, turn showing conversation threads on."
11519 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
11520 (setq gnus-show-threads
11521 (if (null arg) (not gnus-show-threads)
11522 (> (prefix-numeric-value arg) 0)))
11523 (gnus-summary-prepare)
11524 (gnus-summary-goto-subject current)
11525 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
11526 (gnus-summary-position-point)))
11529 (if (fboundp 'remove-overlays)
11530 (defalias 'gnus-remove-overlays 'remove-overlays)
11531 (defun gnus-remove-overlays (beg end name val)
11532 "Clear BEG and END of overlays whose property NAME has value VAL.
11533 For compatibility with XEmacs."
11534 (dolist (ov (gnus-overlays-in beg end))
11535 (when (eq (gnus-overlay-get ov name) val)
11536 (gnus-delete-overlay ov))))))
11538 (defun gnus-summary-show-all-threads ()
11539 "Show all threads."
11541 (gnus-remove-overlays (point-min) (point-max) 'invisible 'gnus-sum)
11542 (gnus-summary-position-point))
11544 (defsubst gnus-summary--inv (p)
11545 (and (eq (get-char-property p 'invisible) 'gnus-sum) p))
11547 (defun gnus-summary-show-thread ()
11548 "Show thread subtrees.
11549 Returns nil if no thread was there to be shown."
11551 (let* ((orig (point))
11552 (end (point-at-eol))
11553 (end (or (gnus-summary--inv end) (gnus-summary--inv (1- end))))
11554 ;; Leave point at bol
11555 (beg (progn (beginning-of-line) (if (bobp) (point) (1- (point)))))
11557 (if (fboundp 'next-single-char-property-change)
11558 (or (next-single-char-property-change end 'invisible)
11563 (eq (get-char-property (point) 'invisible)
11567 (gnus-remove-overlays beg eoi 'invisible 'gnus-sum)
11569 (gnus-summary-position-point)
11572 (defun gnus-summary-maybe-hide-threads ()
11573 "If requested, hide the threads that should be hidden."
11574 (when (and gnus-show-threads
11575 gnus-thread-hide-subtree)
11576 (gnus-summary-hide-all-threads
11577 (if (or (consp gnus-thread-hide-subtree)
11578 (functionp gnus-thread-hide-subtree))
11579 (gnus-make-predicate gnus-thread-hide-subtree)
11582 ;;; Hiding predicates.
11584 (defun gnus-article-unread-p (header)
11585 (memq (mail-header-number header) gnus-newsgroup-unreads))
11587 (defun gnus-article-unseen-p (header)
11588 (memq (mail-header-number header) gnus-newsgroup-unseen))
11590 (defun gnus-map-articles (predicate articles)
11591 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
11592 (apply 'gnus-or (mapcar predicate
11593 (mapcar (lambda (number)
11594 (gnus-summary-article-header number))
11597 (defun gnus-summary-hide-all-threads (&optional predicate)
11598 "Hide all thread subtrees.
11599 If PREDICATE is supplied, threads that satisfy this predicate
11600 will not be hidden."
11603 (goto-char (point-min))
11608 (when (zerop (mod count 1000))
11609 (message "Hiding all threads... %d" count))
11610 (when (or (not predicate)
11612 predicate (gnus-summary-article-children)))
11613 (gnus-summary-hide-thread))
11614 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
11615 (gnus-summary-position-point))
11617 (defun gnus-summary-hide-thread ()
11618 "Hide thread subtrees.
11619 If PREDICATE is supplied, threads that satisfy this predicate
11620 will not be hidden.
11621 Returns nil if no threads were there to be hidden."
11623 (let ((start (point))
11624 (starteol (line-end-position))
11625 (article (gnus-summary-article-number)))
11627 ;; Go forward until either the buffer ends or the subthread ends.
11628 (when (and (not (eobp))
11629 (or (zerop (gnus-summary-next-thread 1 t))
11630 (goto-char (point-max))))
11631 (if (and (> (point) start)
11632 ;; FIXME: this should actually search for a non-invisible \n.
11633 (search-backward "\n" start t))
11635 (when (> (point) starteol)
11636 (gnus-remove-overlays starteol (point) 'invisible 'gnus-sum)
11637 (let ((ol (gnus-make-overlay starteol (point) nil t nil)))
11638 (gnus-overlay-put ol 'invisible 'gnus-sum)
11639 (gnus-overlay-put ol 'evaporate t)))
11640 (gnus-summary-goto-subject article)
11641 (when (> start (point))
11642 (message "Hiding the thread moved us backwards, aborting!")
11643 (goto-char (point-max))))
11647 (defun gnus-summary-go-to-next-thread (&optional previous)
11648 "Go to the same level (or less) next thread.
11649 If PREVIOUS is non-nil, go to previous thread instead.
11650 Return the article number moved to, or nil if moving was impossible."
11651 (let ((level (gnus-summary-thread-level))
11652 (way (if previous -1 1))
11655 (while (and (not (eobp))
11656 (< level (gnus-summary-thread-level)))
11657 (forward-line way))
11664 (gnus-summary-article-number)
11665 (goto-char beg)))))
11667 (defun gnus-summary-next-thread (n &optional silent)
11668 "Go to the same level next N'th thread.
11669 If N is negative, search backward instead.
11670 Returns the difference between N and the number of skips actually
11673 If SILENT, don't output messages."
11675 (let ((backward (< n 0))
11677 (while (and (> n 0)
11678 (gnus-summary-go-to-next-thread backward))
11681 (gnus-summary-position-point))
11682 (when (and (not silent) (/= 0 n))
11683 (gnus-message 7 "No more threads"))
11686 (defun gnus-summary-prev-thread (n)
11687 "Go to the same level previous N'th thread.
11688 Returns the difference between N and the number of skips actually
11691 (gnus-summary-next-thread (- n)))
11693 (defun gnus-summary-go-down-thread ()
11694 "Go down one level in the current thread."
11695 (let ((children (gnus-summary-article-children)))
11697 (gnus-summary-goto-subject (car children)))))
11699 (defun gnus-summary-go-up-thread ()
11700 "Go up one level in the current thread."
11701 (let ((parent (gnus-summary-article-parent)))
11703 (gnus-summary-goto-subject parent))))
11705 (defun gnus-summary-down-thread (n)
11706 "Go down thread N steps.
11707 If N is negative, go up instead.
11708 Returns the difference between N and how many steps down that were
11713 (while (and (> n 0)
11714 (if up (gnus-summary-go-up-thread)
11715 (gnus-summary-go-down-thread)))
11717 (gnus-summary-position-point)
11719 (gnus-message 7 "Can't go further"))
11722 (defun gnus-summary-up-thread (n)
11723 "Go up thread N steps.
11724 If N is negative, go down instead.
11725 Returns the difference between N and how many steps down that were
11728 (gnus-summary-down-thread (- n)))
11730 (defun gnus-summary-top-thread ()
11731 "Go to the top of the thread."
11733 (while (gnus-summary-go-up-thread))
11734 (gnus-summary-article-number))
11736 (defun gnus-summary-expire-thread ()
11737 "Mark articles under current thread as expired."
11739 (gnus-summary-kill-thread 0))
11741 (defun gnus-summary-kill-thread (&optional unmark)
11742 "Mark articles under current thread as read.
11743 If the prefix argument is positive, remove any kinds of marks.
11744 If the prefix argument is zero, mark thread as expired.
11745 If the prefix argument is negative, tick articles instead."
11748 (setq unmark (prefix-numeric-value unmark)))
11749 (let ((articles (gnus-summary-articles-in-thread))
11750 (hide (or (null unmark) (= unmark 0))))
11752 ;; Expand the thread.
11753 (gnus-summary-show-thread)
11754 ;; Mark all the articles.
11756 (gnus-summary-goto-subject (car articles))
11757 (cond ((null unmark)
11758 (gnus-summary-mark-article-as-read gnus-killed-mark))
11760 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11762 (gnus-summary-mark-article nil gnus-expirable-mark))
11764 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11765 (setq articles (cdr articles))))
11766 ;; Hide killed subtrees when hide is true.
11768 gnus-thread-hide-killed
11769 (gnus-summary-hide-thread))
11770 ;; If hide is t, go to next unread subject.
11772 ;; Go to next unread subject.
11773 (gnus-summary-next-subject 1 t)))
11774 (gnus-set-mode-line 'summary))
11776 ;; Summary sorting commands
11778 (defun gnus-summary-sort-by-number (&optional reverse)
11779 "Sort the summary buffer by article number.
11780 Argument REVERSE means reverse order."
11782 (gnus-summary-sort 'number reverse))
11784 (defun gnus-summary-sort-by-most-recent-number (&optional reverse)
11785 "Sort the summary buffer by most recent article number.
11786 Argument REVERSE means reverse order."
11788 (gnus-summary-sort 'most-recent-number reverse))
11790 (defun gnus-summary-sort-by-random (&optional reverse)
11791 "Randomize the order in the summary buffer.
11792 Argument REVERSE means to randomize in reverse order."
11794 (gnus-summary-sort 'random reverse))
11796 (defun gnus-summary-sort-by-author (&optional reverse)
11797 "Sort the summary buffer by author name alphabetically.
11798 If `case-fold-search' is non-nil, case of letters is ignored.
11799 Argument REVERSE means reverse order."
11801 (gnus-summary-sort 'author reverse))
11803 (defun gnus-summary-sort-by-recipient (&optional reverse)
11804 "Sort the summary buffer by recipient name alphabetically.
11805 If `case-fold-search' is non-nil, case of letters is ignored.
11806 Argument REVERSE means reverse order."
11808 (gnus-summary-sort 'recipient reverse))
11810 (defun gnus-summary-sort-by-subject (&optional reverse)
11811 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11812 If `case-fold-search' is non-nil, case of letters is ignored.
11813 Argument REVERSE means reverse order."
11815 (gnus-summary-sort 'subject reverse))
11817 (defun gnus-summary-sort-by-date (&optional reverse)
11818 "Sort the summary buffer by date.
11819 Argument REVERSE means reverse order."
11821 (gnus-summary-sort 'date reverse))
11823 (defun gnus-summary-sort-by-most-recent-date (&optional reverse)
11824 "Sort the summary buffer by most recent date.
11825 Argument REVERSE means reverse order."
11827 (gnus-summary-sort 'most-recent-date reverse))
11829 (defun gnus-summary-sort-by-score (&optional reverse)
11830 "Sort the summary buffer by score.
11831 Argument REVERSE means reverse order."
11833 (gnus-summary-sort 'score reverse))
11835 (defun gnus-summary-sort-by-lines (&optional reverse)
11836 "Sort the summary buffer by the number of lines.
11837 Argument REVERSE means reverse order."
11839 (gnus-summary-sort 'lines reverse))
11841 (defun gnus-summary-sort-by-chars (&optional reverse)
11842 "Sort the summary buffer by article length.
11843 Argument REVERSE means reverse order."
11845 (gnus-summary-sort 'chars reverse))
11847 (defun gnus-summary-sort-by-original (&optional reverse)
11848 "Sort the summary buffer using the default sorting method.
11849 Argument REVERSE means reverse order."
11851 (let* ((inhibit-read-only t)
11852 (gnus-summary-prepare-hook nil))
11853 ;; We do the sorting by regenerating the threads.
11854 (gnus-summary-prepare)
11855 ;; Hide subthreads if needed.
11856 (gnus-summary-maybe-hide-threads)))
11858 (defun gnus-summary-sort (predicate reverse)
11859 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11860 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11861 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11862 (gnus-thread-sort-functions
11867 (gnus-sort-gathered-threads-function
11868 gnus-thread-sort-functions)
11869 (gnus-article-sort-functions
11873 (,article t2 t1))))
11874 (inhibit-read-only t)
11875 (gnus-summary-prepare-hook nil))
11876 ;; We do the sorting by regenerating the threads.
11877 (gnus-summary-prepare)
11878 ;; Hide subthreads if needed.
11879 (gnus-summary-maybe-hide-threads)))
11881 ;; Summary saving commands.
11883 (defun gnus-summary-save-article (&optional n not-saved)
11884 "Save the current article using the default saver function.
11885 If N is a positive number, save the N next articles.
11886 If N is a negative number, save the N previous articles.
11887 If N is nil and any articles have been marked with the process mark,
11888 save those articles instead.
11889 The variable `gnus-default-article-saver' specifies the saver function.
11891 If the optional second argument NOT-SAVED is non-nil, articles saved
11892 will not be marked as saved."
11894 (require 'gnus-art)
11895 (let* ((articles (gnus-summary-work-articles n))
11896 (save-buffer (save-excursion
11897 (nnheader-set-temp-buffer " *Gnus Save*")))
11898 (num (length articles))
11899 ;; Whether to save decoded articles or raw articles.
11900 (decode (when gnus-article-save-coding-system
11901 (get gnus-default-article-saver :decode)))
11902 ;; When saving many articles in a single file, use the other
11903 ;; function to save articles other than the first one.
11904 (saver2 (get gnus-default-article-saver :function))
11905 (gnus-prompt-before-saving (if saver2
11907 gnus-prompt-before-saving))
11908 (gnus-default-article-saver gnus-default-article-saver)
11910 (dolist (article articles)
11911 (setq header (gnus-summary-article-header article))
11912 (if (not (vectorp header))
11913 ;; This is a pseudo-article.
11914 (if (assq 'name header)
11915 (gnus-copy-file (cdr (assq 'name header)))
11916 (gnus-message 1 "Article %d is unsaveable" article))
11917 ;; This is a real article.
11918 (save-window-excursion
11919 (gnus-summary-select-article decode decode nil article)
11920 (gnus-summary-goto-subject article))
11921 (with-current-buffer save-buffer
11923 (insert-buffer-substring (if decode
11924 gnus-article-buffer
11925 gnus-original-article-buffer)))
11926 (setq file (gnus-article-save save-buffer file num))
11927 (gnus-summary-remove-process-mark article)
11929 (gnus-summary-set-saved-mark article)))
11931 (setq gnus-default-article-saver saver2
11933 (gnus-kill-buffer save-buffer)
11934 (gnus-summary-position-point)
11935 (gnus-set-mode-line 'summary)
11938 (defun gnus-summary-pipe-output (&optional n sym)
11939 "Pipe the current article to a subprocess.
11940 If N is a positive number, pipe the N next articles.
11941 If N is a negative number, pipe the N previous articles.
11942 If N is nil and any articles have been marked with the process mark,
11943 pipe those articles instead.
11944 The default command to which articles are piped is specified by the
11945 variable `gnus-summary-pipe-output-default-command'; if it is nil, you
11946 will be prompted for the command.
11948 The properties `:decode' and `:headers' that are put to the function
11949 symbol `gnus-summary-save-in-pipe' control whether this function
11950 decodes articles and what headers to keep (see the doc string for the
11951 `gnus-default-article-saver' variable). If SYM (the symbolic prefix)
11952 is neither omitted nor the symbol `r', force including all headers
11953 regardless of the `:headers' property. If it is the symbol `r',
11954 articles that are not decoded and include all headers will be piped
11955 no matter what the properties `:decode' and `:headers' are."
11956 (interactive (gnus-interactive "P\ny"))
11957 (require 'gnus-art)
11958 (let* ((articles (gnus-summary-work-articles n))
11959 (result-buffer "*Shell Command Output*")
11960 (all-headers (not (memq sym '(nil r))))
11961 (gnus-save-all-headers (or all-headers gnus-save-all-headers))
11963 (headers (get 'gnus-summary-save-in-pipe :headers))
11965 (unless (numberp (car articles))
11966 (error "No article to pipe"))
11967 (setq command (gnus-read-shell-command
11968 (concat "Shell command on "
11970 (format "these %d articles" (length articles))
11973 gnus-summary-pipe-output-default-command))
11974 (when (string-equal command "")
11975 (error "A command is required"))
11977 (put 'gnus-summary-save-in-pipe :headers nil))
11980 (gnus-summary-goto-subject (pop articles))
11981 (save-window-excursion (gnus-summary-save-in-pipe command raw))
11982 (when (and (get-buffer result-buffer)
11983 (not (zerop (buffer-size (get-buffer result-buffer)))))
11984 (setq result (concat result (with-current-buffer result-buffer
11985 (buffer-string))))))
11986 (put 'gnus-summary-save-in-pipe :headers headers))
11987 (unless (zerop (length result))
11988 (if (with-current-buffer (get-buffer-create result-buffer)
11992 (and (= (count-lines (point-min) (point)) 1)
11995 (<= (current-column)
11996 (window-width (minibuffer-window)))))
11997 (goto-char (point-min))))
11998 (message "%s" (substring result 0 -1))
12000 (gnus-configure-windows 'pipe)))))
12002 (defun gnus-summary-save-article-mail (&optional arg)
12003 "Append the current article to a Unix mail box file.
12004 If N is a positive number, save the N next articles.
12005 If N is a negative number, save the N previous articles.
12006 If N is nil and any articles have been marked with the process mark,
12007 save those articles instead."
12009 (require 'gnus-art)
12010 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
12011 (gnus-summary-save-article arg)))
12013 (defun gnus-summary-save-article-rmail (&optional arg)
12014 "Append the current article to an rmail file.
12015 If N is a positive number, save the N next articles.
12016 If N is a negative number, save the N previous articles.
12017 If N is nil and any articles have been marked with the process mark,
12018 save those articles instead."
12020 (require 'gnus-art)
12021 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
12022 (gnus-summary-save-article arg)))
12024 (defun gnus-summary-save-article-file (&optional arg)
12025 "Append the current article to a file.
12026 If N is a positive number, save the N next articles.
12027 If N is a negative number, save the N previous articles.
12028 If N is nil and any articles have been marked with the process mark,
12029 save those articles instead."
12031 (require 'gnus-art)
12032 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
12033 (gnus-summary-save-article arg)))
12035 (defun gnus-summary-write-article-file (&optional arg)
12036 "Write the current article to a file, deleting the previous file.
12037 If N is a positive number, save the N next articles.
12038 If N is a negative number, save the N previous articles.
12039 If N is nil and any articles have been marked with the process mark,
12040 save those articles instead."
12042 (require 'gnus-art)
12043 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
12044 (gnus-summary-save-article arg)))
12046 (defun gnus-summary-save-article-body-file (&optional arg)
12047 "Append the current article body to a file.
12048 If N is a positive number, save the N next articles.
12049 If N is a negative number, save the N previous articles.
12050 If N is nil and any articles have been marked with the process mark,
12051 save those articles instead."
12053 (require 'gnus-art)
12054 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
12055 (gnus-summary-save-article arg)))
12057 (defun gnus-summary-write-article-body-file (&optional arg)
12058 "Write the current article body to a file, deleting the previous file.
12059 If N is a positive number, save the N next articles.
12060 If N is a negative number, save the N previous articles.
12061 If N is nil and any articles have been marked with the process mark,
12062 save those articles instead."
12064 (require 'gnus-art)
12065 (let ((gnus-default-article-saver 'gnus-summary-write-body-to-file))
12066 (gnus-summary-save-article arg)))
12068 (defun gnus-summary-muttprint (&optional arg)
12069 "Print the current article using Muttprint.
12070 If N is a positive number, save the N next articles.
12071 If N is a negative number, save the N previous articles.
12072 If N is nil and any articles have been marked with the process mark,
12073 save those articles instead."
12075 (require 'gnus-art)
12076 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
12077 (gnus-summary-save-article arg t)))
12079 (defun gnus-summary-pipe-message (program)
12080 "Pipe the current article through PROGRAM."
12081 (interactive "sProgram: ")
12082 (gnus-summary-select-article)
12083 (let ((mail-header-separator ""))
12084 (gnus-eval-in-buffer-window gnus-article-buffer
12087 (let ((start (window-start))
12088 (inhibit-read-only t))
12089 (message-pipe-buffer-body program)
12090 (set-window-start (get-buffer-window (current-buffer)) start))))))
12092 (defun gnus-get-split-value (methods)
12093 "Return a value based on the split METHODS."
12094 (let (split-name method result match)
12096 (with-current-buffer gnus-original-article-buffer
12098 (nnheader-narrow-to-headers)
12099 (while (and methods (not split-name))
12100 (goto-char (point-min))
12101 (setq method (pop methods))
12102 (setq match (car method))
12105 ;; Regular expression.
12107 (re-search-forward match nil t)))
12112 (setq result (funcall match gnus-newsgroup-name))))
12117 (setq result (eval match)))))
12118 (setq split-name (cdr method))
12119 (cond ((stringp result)
12120 (push (expand-file-name
12121 result gnus-article-save-directory)
12124 (setq split-name (append result split-name)))))))))
12125 (nreverse split-name)))
12127 (defun gnus-valid-move-group-p (group)
12128 (and (symbolp group)
12130 (symbol-name group)
12131 (symbol-value group)
12132 (gnus-get-function (gnus-find-method-for-group
12133 (symbol-name group)) 'request-accept-article t)))
12135 (defun gnus-read-move-group-name (prompt default articles prefix)
12136 "Read a group name."
12137 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
12138 (minibuffer-confirm-incomplete nil) ; XEmacs
12142 (if (> (length articles) 1)
12143 (format "these %d articles" (length articles))
12148 (gnus-group-completing-read
12150 (gnus-remove-if-not 'gnus-valid-move-group-p gnus-active-hashtb t)
12151 nil prefix nil default))
12152 ((= 1 (length split-name))
12153 (gnus-group-completing-read
12155 (gnus-remove-if-not 'gnus-valid-move-group-p gnus-active-hashtb t)
12156 nil prefix 'gnus-group-history (car split-name)))
12158 (gnus-completing-read
12159 prom (nreverse split-name) nil nil 'gnus-group-history))))
12160 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
12163 (if (or (string= to-newsgroup "")
12164 (string= to-newsgroup prefix))
12165 (setq to-newsgroup default))
12166 (unless to-newsgroup
12167 (error "No group name entered"))
12168 (setq encoded (mm-encode-coding-string
12170 (gnus-group-name-charset to-method to-newsgroup)))
12171 (or (gnus-active encoded)
12172 (gnus-activate-group encoded nil nil to-method)
12173 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
12175 (or (and (gnus-request-create-group encoded to-method)
12176 (gnus-activate-group encoded nil nil to-method)
12177 (gnus-subscribe-group encoded))
12178 (error "Couldn't create group %s" to-newsgroup)))
12179 (error "No such group: %s" to-newsgroup))
12182 (defvar gnus-summary-save-parts-counter)
12183 (declare-function mm-uu-dissect "mm-uu" (&optional noheader mime-type))
12185 (defun gnus-summary-save-parts (type dir n &optional reverse)
12186 "Save parts matching TYPE to DIR.
12187 If REVERSE, save parts that do not match TYPE."
12189 (list (read-string "Save parts of type: "
12190 (or (car gnus-summary-save-parts-type-history)
12191 gnus-summary-save-parts-default-mime)
12192 'gnus-summary-save-parts-type-history)
12193 (setq gnus-summary-save-parts-last-directory
12194 (read-directory-name "Save to directory: "
12195 gnus-summary-save-parts-last-directory
12197 current-prefix-arg))
12198 (gnus-summary-iterate n
12199 (let ((gnus-display-mime-function nil)
12200 gnus-article-prepare-hook
12201 gnus-article-decode-hook
12202 gnus-display-mime-function
12204 (gnus-inhibit-treatment t))
12205 (gnus-summary-select-article))
12206 (with-current-buffer gnus-article-buffer
12207 (let ((handles (or gnus-article-mime-handles
12208 (mm-dissect-buffer nil gnus-article-loose-mime)
12209 (and gnus-article-emulate-mime
12211 (gnus-summary-save-parts-counter 1))
12213 (gnus-summary-save-parts-1 type dir handles reverse)
12214 (unless gnus-article-mime-handles ;; Don't destroy this case.
12215 (mm-destroy-parts handles)))))))
12217 (defun gnus-summary-save-parts-1 (type dir handle reverse)
12218 (if (stringp (car handle))
12219 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
12222 (not (string-match type (mm-handle-media-type handle)))
12223 (string-match type (mm-handle-media-type handle)))
12224 (let ((file (expand-file-name
12226 mm-file-name-rewrite-functions
12227 (file-name-nondirectory
12229 (mm-handle-filename handle)
12230 (format "%s.%d.%d" gnus-newsgroup-name
12231 (cdr gnus-article-current)
12232 gnus-summary-save-parts-counter))))
12234 (incf gnus-summary-save-parts-counter)
12235 (unless (file-exists-p file)
12236 (mm-save-part-to-file handle file))))))
12238 ;; Summary extract commands
12240 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
12241 (let ((inhibit-read-only t)
12242 (article (gnus-summary-article-number))
12244 (unless (gnus-summary-goto-subject article)
12245 (error "No such article: %d" article))
12246 (gnus-summary-position-point)
12247 ;; If all commands are to be bunched up on one line, we collect
12249 (unless gnus-view-pseudos-separately
12250 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
12253 (setq action (cdr (assq 'action (car ps))))
12254 (setq files (list (cdr (assq 'name (car ps)))))
12255 (while (and ps (cdr ps)
12256 (string= (or action "1")
12257 (or (cdr (assq 'action (cadr ps))) "2")))
12258 (push (cdr (assq 'name (cadr ps))) files)
12259 (setcdr ps (cddr ps)))
12261 (when (not (string-match "%s" action))
12264 (when (assq 'execute (car ps))
12265 (setcdr (assq 'execute (car ps))
12266 (funcall (if (string-match "%s" action)
12273 (shell-quote-argument f)))
12275 (setq ps (cdr ps)))))
12276 (if (and gnus-view-pseudos (not not-view))
12278 (when (assq 'execute (car pslist))
12279 (gnus-execute-command (cdr (assq 'execute (car pslist)))
12280 (eq gnus-view-pseudos 'not-confirm)))
12281 (setq pslist (cdr pslist)))
12284 (setq after-article (or (cdr (assq 'article (car pslist)))
12285 (gnus-summary-article-number)))
12286 (gnus-summary-goto-subject after-article)
12289 (insert " " (file-name-nondirectory
12290 (cdr (assq 'name (car pslist))))
12291 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
12293 (forward-line -1) ; back to `b'
12294 (gnus-add-text-properties
12295 b (1- e) (list 'gnus-number gnus-reffed-article-number
12296 gnus-mouse-face-prop gnus-mouse-face))
12298 after-article gnus-reffed-article-number
12299 gnus-unread-mark b (car pslist) 0 (- e b))
12300 (setq gnus-newsgroup-unreads
12301 (gnus-add-to-sorted-list gnus-newsgroup-unreads
12302 gnus-reffed-article-number))
12303 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
12304 (setq pslist (cdr pslist)))))))
12306 (defun gnus-pseudos< (p1 p2)
12307 (let ((c1 (cdr (assq 'action p1)))
12308 (c2 (cdr (assq 'action p2))))
12309 (and c1 c2 (string< c1 c2))))
12311 (defun gnus-request-pseudo-article (props)
12312 (cond ((assq 'execute props)
12313 (gnus-execute-command (cdr (assq 'execute props)))))
12314 (let ((gnus-current-article (gnus-summary-article-number)))
12315 (gnus-run-hooks 'gnus-mark-article-hook)))
12317 (defun gnus-execute-command (command &optional automatic)
12319 (gnus-article-setup-buffer)
12320 (set-buffer gnus-article-buffer)
12321 (setq buffer-read-only nil)
12322 (let ((command (if automatic command
12323 (read-string "Command: " (cons command 0)))))
12325 (insert "$ " command "\n\n")
12326 (if gnus-view-pseudo-asynchronously
12327 (start-process "gnus-execute" (current-buffer) shell-file-name
12328 shell-command-switch command)
12329 (call-process shell-file-name nil t nil
12330 shell-command-switch command)))))
12332 ;; Summary kill commands.
12334 (defun gnus-summary-edit-global-kill (article)
12335 "Edit the \"global\" kill file."
12336 (interactive (list (gnus-summary-article-number)))
12337 (gnus-group-edit-global-kill article))
12339 (defun gnus-summary-edit-local-kill ()
12340 "Edit a local kill file applied to the current newsgroup."
12342 (setq gnus-current-headers (gnus-summary-article-header))
12343 (gnus-group-edit-local-kill
12344 (gnus-summary-article-number) gnus-newsgroup-name))
12346 ;;; Header reading.
12348 (defun gnus-read-header (id &optional header)
12349 "Read the headers of article ID and enter them into the Gnus system."
12350 (let ((group gnus-newsgroup-name)
12351 (gnus-override-method
12353 gnus-override-method
12354 (and (gnus-news-group-p gnus-newsgroup-name)
12355 (car (gnus-refer-article-methods)))))
12357 ;; First we check to see whether the header in question is already
12360 ;; This is a Message-ID.
12361 (setq header (or header (gnus-id-to-header id)))
12362 ;; This is an article number.
12363 (setq header (or header (gnus-summary-article-header id))))
12365 (not (gnus-summary-article-sparse-p (mail-header-number header))))
12366 ;; We have found the header.
12368 ;; We have to really fetch the header to this article.
12369 (with-current-buffer nntp-server-buffer
12370 (when (setq where (gnus-request-head id group))
12371 (nnheader-fold-continuation-lines)
12372 (goto-char (point-max))
12374 (goto-char (point-min))
12378 ((cdr where) (cdr where))
12379 (header (mail-header-number header))
12380 (t gnus-reffed-article-number))
12382 (insert " Article retrieved.\n"))
12383 (if (or (not where)
12384 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
12385 () ; Malformed head.
12386 (unless (gnus-summary-article-sparse-p (mail-header-number header))
12387 (when (and (stringp id)
12389 (not (string= (gnus-group-real-name group)
12391 (not (gnus-server-equal gnus-override-method
12392 (gnus-group-method group)))))
12393 ;; If we fetched by Message-ID and the article came from
12394 ;; a different group (or server), we fudge some bogus
12395 ;; article numbers for this article.
12396 (mail-header-set-number header gnus-reffed-article-number))
12397 (with-current-buffer gnus-summary-buffer
12398 (decf gnus-reffed-article-number)
12399 (gnus-remove-header (mail-header-number header))
12400 (push header gnus-newsgroup-headers)
12401 (setq gnus-current-headers header)
12402 (push (mail-header-number header) gnus-newsgroup-limit)))
12405 (defun gnus-remove-header (number)
12406 "Remove header NUMBER from `gnus-newsgroup-headers'."
12407 (if (and gnus-newsgroup-headers
12408 (= number (mail-header-number (car gnus-newsgroup-headers))))
12409 (pop gnus-newsgroup-headers)
12410 (let ((headers gnus-newsgroup-headers))
12411 (while (and (cdr headers)
12412 (not (= number (mail-header-number (cadr headers)))))
12414 (when (cdr headers)
12415 (setcdr headers (cddr headers))))))
12418 ;;; summary highlights
12421 (defun gnus-highlight-selected-summary ()
12422 "Highlight selected article in summary buffer."
12423 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
12424 (when gnus-summary-selected-face
12426 (let* ((beg (point-at-bol))
12427 (end (point-at-eol))
12428 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
12429 (from (if (get-text-property beg gnus-mouse-face-prop)
12431 (or (next-single-property-change
12432 beg gnus-mouse-face-prop nil end)
12437 (or (next-single-property-change
12438 from gnus-mouse-face-prop nil end)
12440 ;; If no mouse-face prop on line we will have to = from = end,
12441 ;; so we highlight the entire line instead.
12442 (when (= (+ to 2) from)
12445 (if gnus-newsgroup-selected-overlay
12446 ;; Move old overlay.
12448 gnus-newsgroup-selected-overlay from to (current-buffer))
12449 ;; Create new overlay.
12451 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
12452 'face gnus-summary-selected-face))))))
12454 (defvar gnus-summary-highlight-line-cached nil)
12455 (defvar gnus-summary-highlight-line-trigger nil)
12457 (defun gnus-summary-highlight-line-0 ()
12458 (if (and (eq gnus-summary-highlight-line-trigger
12459 gnus-summary-highlight)
12460 gnus-summary-highlight-line-cached)
12461 gnus-summary-highlight-line-cached
12462 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
12463 gnus-summary-highlight-line-cached
12464 (let* ((cond (list 'cond))
12466 (list gnus-summary-highlight))
12468 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
12472 (gnus-byte-compile (list 'lambda nil cond))))))
12474 (defun gnus-summary-highlight-line ()
12475 "Highlight current line according to `gnus-summary-highlight'."
12476 (let* ((beg (point-at-bol))
12477 (article (or (gnus-summary-article-number) gnus-current-article))
12478 (score (or (cdr (assq article
12479 gnus-newsgroup-scored))
12480 gnus-summary-default-score 0))
12481 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
12482 (inhibit-read-only t)
12483 (default gnus-summary-default-score)
12484 (default-high gnus-summary-default-high-score)
12485 (default-low gnus-summary-default-low-score)
12486 (uncached (and gnus-summary-use-undownloaded-faces
12487 (memq article gnus-newsgroup-undownloaded)
12488 (not (memq article gnus-newsgroup-cached)))))
12489 (let ((face (funcall (gnus-summary-highlight-line-0))))
12490 (unless (eq face (get-text-property beg 'face))
12491 (gnus-put-text-property-excluding-characters-with-faces
12492 beg (point-at-eol) 'face
12493 (setq face (if (boundp face) (symbol-value face) face)))
12494 (when gnus-summary-highlight-line-function
12495 (funcall gnus-summary-highlight-line-function article face))))))
12497 (defun gnus-update-read-articles (group unread &optional compute)
12498 "Update the list of read articles in GROUP.
12499 UNREAD is a sorted list."
12500 (let ((active (or gnus-newsgroup-active (gnus-active group)))
12501 (info (gnus-get-info group))
12504 (if (or (not info) (not active))
12505 ;; There is no info on this group if it was, in fact,
12506 ;; killed. Gnus stores no information on killed groups, so
12507 ;; there's nothing to be done.
12508 ;; One could store the information somewhere temporarily,
12509 ;; perhaps... Hmmm...
12511 ;; Remove any negative articles numbers.
12512 (while (and unread (< (car unread) 0))
12513 (setq unread (cdr unread)))
12514 ;; Remove any expired article numbers
12515 (while (and unread (< (car unread) (car active)))
12516 (setq unread (cdr unread)))
12517 ;; Compute the ranges of read articles by looking at the list of
12518 ;; unread articles.
12520 (when (/= (car unread) prev)
12521 (push (if (= prev (1- (car unread))) prev
12522 (cons prev (1- (car unread))))
12524 (setq prev (1+ (car unread)))
12525 (setq unread (cdr unread)))
12526 (when (<= prev (cdr active))
12527 (push (cons prev (cdr active)) read))
12528 (setq read (if (> (length read) 1) (nreverse read) read))
12533 ;; Propagate the read marks to the backend.
12534 (when (and (or gnus-propagate-marks
12535 (gnus-method-option-p
12536 (gnus-find-method-for-group group)
12538 (gnus-check-backend-function 'request-set-mark group))
12539 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
12540 (add (gnus-remove-from-range read (gnus-info-read info))))
12542 (unless (gnus-check-group group)
12543 (error "Can't open server for %s" group))
12544 (gnus-request-set-mark
12545 group (delq nil (list (if add (list add 'add '(read)))
12546 (if del (list del 'del '(read))))))
12548 `(gnus-request-set-mark
12551 (if del (list del 'add '(read)))
12552 (if add (list add 'del '(read))))))))))
12553 (set-buffer gnus-group-buffer)
12554 (gnus-undo-register
12556 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
12557 (gnus-info-set-read ',info ',(gnus-info-read info))
12558 (gnus-get-unread-articles-in-group ',info
12559 (gnus-active ,group))
12560 (gnus-group-update-group ,group t)
12562 ;; Enter this list into the group info.
12563 (gnus-info-set-read info read)
12564 ;; Set the number of unread articles in gnus-newsrc-hashtb.
12565 (gnus-get-unread-articles-in-group info (gnus-active group))
12568 (defun gnus-offer-save-summaries ()
12569 "Offer to save all active summary buffers."
12571 ;; Go through all buffers and find all summaries.
12572 (dolist (buffer (buffer-list))
12573 (when (and (setq buffer (buffer-name buffer))
12574 (string-match "Summary" buffer)
12575 (with-current-buffer buffer
12576 ;; We check that this is, indeed, a summary buffer.
12577 (and (eq major-mode 'gnus-summary-mode)
12578 ;; Also make sure this isn't bogus.
12579 gnus-newsgroup-prepared
12580 ;; Also make sure that this isn't a
12581 ;; dead summary buffer.
12582 (not gnus-dead-summary-mode))))
12583 (push buffer buffers)))
12584 ;; Go through all these summary buffers and offer to save them.
12588 "Update summary buffer %s? "
12590 (switch-to-buffer buf)
12591 (gnus-summary-exit))
12594 (defun gnus-summary-setup-default-charset ()
12595 "Setup newsgroup default charset."
12596 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
12597 (setq gnus-newsgroup-charset nil)
12598 (let* ((ignored-charsets
12599 (or gnus-newsgroup-ephemeral-ignored-charsets
12601 (and gnus-newsgroup-name
12602 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
12603 gnus-newsgroup-ignored-charsets))))
12604 (setq gnus-newsgroup-charset
12605 (or gnus-newsgroup-ephemeral-charset
12606 (and gnus-newsgroup-name
12607 (gnus-parameter-charset gnus-newsgroup-name))
12608 gnus-default-charset))
12609 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
12610 ignored-charsets))))
12616 (defun gnus-summary-display-buttonized (&optional show-all-parts)
12617 "Display the current article buffer fully MIME-buttonized.
12618 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
12619 treated as multipart/mixed."
12621 (require 'gnus-art)
12622 (let ((gnus-unbuttonized-mime-types nil)
12623 (gnus-mime-display-multipart-as-mixed show-all-parts))
12624 (gnus-summary-show-article)))
12626 (defun gnus-summary-repair-multipart (article)
12627 "Add a Content-Type header to a multipart article without one."
12628 (interactive (list (gnus-summary-article-number)))
12629 (gnus-with-article article
12630 (message-narrow-to-head)
12631 (message-remove-header "Mime-Version")
12632 (goto-char (point-max))
12633 (insert "Mime-Version: 1.0\n")
12635 (when (search-forward "\n--" nil t)
12636 (let ((separator (buffer-substring (point) (point-at-eol))))
12637 (message-narrow-to-head)
12638 (message-remove-header "Content-Type")
12639 (goto-char (point-max))
12640 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
12643 (let (gnus-mark-article-hook)
12644 (gnus-summary-select-article t t nil article)))
12646 (defun gnus-summary-toggle-display-buttonized ()
12647 "Toggle the buttonizing of the article buffer."
12649 (require 'gnus-art)
12650 (if (setq gnus-inhibit-mime-unbuttonizing
12651 (not gnus-inhibit-mime-unbuttonizing))
12652 (let ((gnus-unbuttonized-mime-types nil))
12653 (gnus-summary-show-article))
12654 (gnus-summary-show-article)))
12657 ;;; Generic summary marking commands
12660 (defvar gnus-summary-marking-alist
12661 '((read gnus-del-mark "d")
12662 (unread gnus-unread-mark "u")
12663 (ticked gnus-ticked-mark "!")
12664 (dormant gnus-dormant-mark "?")
12665 (expirable gnus-expirable-mark "e"))
12666 "An alist of names/marks/keystrokes.")
12668 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
12669 (defvar gnus-summary-mark-map)
12671 (defun gnus-summary-make-all-marking-commands ()
12672 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
12673 (dolist (elem gnus-summary-marking-alist)
12674 (apply 'gnus-summary-make-marking-command elem)))
12676 (defun gnus-summary-make-marking-command (name mark keystroke)
12677 (let ((map (make-sparse-keymap)))
12678 (define-key gnus-summary-generic-mark-map keystroke map)
12679 (dolist (lway `((next "next" next nil "n")
12680 (next-unread "next unread" next t "N")
12681 (prev "previous" prev nil "p")
12682 (prev-unread "previous unread" prev t "P")
12683 (nomove "" nil nil ,keystroke)))
12684 (let ((func (gnus-summary-make-marking-command-1
12685 mark (car lway) lway name)))
12686 (setq func (eval func))
12687 (define-key map (nth 4 lway) func)))))
12689 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12691 (format "gnus-summary-put-mark-as-%s%s"
12692 name (if (eq way 'nomove)
12694 (concat "-" (symbol-name way)))))
12697 "Mark the current article as %s%s.
12698 If N, the prefix, then repeat N times.
12699 If N is negative, move in reverse order.
12700 The difference between N and the actual number of articles marked is
12704 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12706 (defun gnus-summary-generic-mark (n mark move unread)
12707 "Mark N articles with MARK."
12708 (unless (eq major-mode 'gnus-summary-mode)
12709 (error "This command can only be used in the summary buffer"))
12710 (gnus-summary-show-thread)
12713 ((eq move 'next) 1)
12714 ((eq move 'prev) -1)
12716 (if (zerop nummove)
12720 nummove (* -1 nummove))))
12721 (while (and (> n 0)
12722 (gnus-summary-mark-article nil mark)
12723 (zerop (gnus-summary-next-subject nummove unread t)))
12726 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12727 (gnus-summary-recenter)
12728 (gnus-summary-position-point)
12729 (gnus-set-mode-line 'summary)
12732 (defun gnus-summary-insert-articles (articles)
12733 (when (setq articles
12734 (gnus-sorted-difference articles
12735 (mapcar (lambda (h)
12736 (mail-header-number h))
12737 gnus-newsgroup-headers)))
12738 (setq gnus-newsgroup-headers
12740 gnus-newsgroup-headers
12741 (gnus-fetch-headers articles)
12742 'gnus-article-sort-by-number))
12743 ;; Suppress duplicates?
12744 (when gnus-suppress-duplicates
12745 (gnus-dup-suppress-articles))
12747 (if (and gnus-fetch-old-headers
12748 (eq gnus-headers-retrieved-by 'nov))
12749 ;; We might want to build some more threads first.
12750 (if (eq gnus-fetch-old-headers 'invisible)
12751 (gnus-build-all-threads)
12752 (gnus-build-old-threads))
12753 ;; Mark the inserted articles that are unread as unread.
12754 (setq gnus-newsgroup-unreads
12755 (gnus-sorted-nunion
12756 gnus-newsgroup-unreads
12757 (gnus-sorted-nintersection
12758 (gnus-list-of-unread-articles gnus-newsgroup-name)
12760 ;; Mark the inserted articles as selected so that the information
12761 ;; of the marks having been changed by a user may be updated when
12762 ;; exiting this group. See `gnus-summary-update-info'.
12763 (dolist (art articles)
12764 (setq gnus-newsgroup-unselected (delq art gnus-newsgroup-unselected))))
12765 ;; Let the Gnus agent mark articles as read.
12767 (gnus-agent-get-undownloaded-list))
12768 ;; Remove list identifiers from subject
12769 (gnus-summary-remove-list-identifiers)
12770 ;; First and last article in this newsgroup.
12771 (when gnus-newsgroup-headers
12772 (setq gnus-newsgroup-begin
12773 (mail-header-number (car gnus-newsgroup-headers))
12775 (mail-header-number
12776 (gnus-last-element gnus-newsgroup-headers))))
12777 (when gnus-use-scoring
12778 (gnus-possibly-score-headers))))
12780 (defun gnus-summary-insert-old-articles (&optional all)
12781 "Insert all old articles in this group.
12782 If ALL is non-nil, already read articles become readable.
12783 If ALL is a number, fetch this number of articles."
12786 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12789 ;; Some nntp servers lie about their active range. When
12790 ;; this happens, the active range can be in the millions.
12791 ;; Use a compressed range to avoid creating a huge list.
12792 (gnus-range-difference (list gnus-newsgroup-active) old))
12793 (setq len (gnus-range-length older))
12798 (let ((older-range (nreverse older)))
12802 (let* ((r (pop older-range))
12803 (min (if (numberp r) r (car r)))
12804 (max (if (numberp r) r (cdr r))))
12805 (while (and (<= min max)
12810 (setq older (gnus-uncompress-range older))))
12812 (setq older (gnus-uncompress-range older)))
12814 (when (and (numberp gnus-large-newsgroup)
12815 (> len gnus-large-newsgroup))
12816 (let* ((cursor-in-echo-area nil)
12817 (initial (gnus-parameter-large-newsgroup-initial
12818 gnus-newsgroup-name))
12822 "How many articles from %s (%s %d): "
12823 (gnus-group-decoded-name gnus-newsgroup-name)
12824 (if initial "max" "default")
12827 (cons (number-to-string initial)
12829 (unless (string-match "^[ \t]*$" input)
12830 (setq all (string-to-number input))
12832 (let ((older-range (nreverse older)))
12836 (let* ((r (pop older-range))
12837 (min (if (numberp r) r (car r)))
12838 (max (if (numberp r) r (cdr r))))
12839 (while (and (<= min max)
12843 max (1- max))))))))))
12844 (setq older (gnus-uncompress-range older))))
12846 (message "No old news.")
12847 (gnus-summary-insert-articles older)
12848 (gnus-summary-limit (gnus-sorted-nunion old older))))
12849 (gnus-summary-position-point)))
12851 (defun gnus-summary-insert-new-articles ()
12852 "Insert all new articles in this group."
12854 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12855 (old-high gnus-newsgroup-highest)
12856 (nnmail-fetched-sources (list t))
12857 (new-active (gnus-activate-group gnus-newsgroup-name 'scan))
12860 (error "Couldn't fetch new data"))
12861 (setq gnus-newsgroup-active (gnus-copy-sequence new-active))
12862 (setq i (cdr gnus-newsgroup-active)
12863 gnus-newsgroup-highest i)
12864 (while (> i old-high)
12868 (message "No gnus is bad news")
12869 (gnus-summary-insert-articles new)
12870 (setq gnus-newsgroup-unreads
12871 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12872 (gnus-summary-limit (gnus-sorted-nunion old new))))
12873 (gnus-summary-position-point))
12875 ;;; Bookmark support for Gnus.
12876 (declare-function bookmark-make-record-default
12877 "bookmark" (&optional no-file no-context posn))
12878 (declare-function bookmark-prop-get "bookmark" (bookmark prop))
12879 (declare-function bookmark-default-handler "bookmark" (bmk))
12880 (declare-function bookmark-get-bookmark-record "bookmark" (bmk))
12881 (defvar bookmark-yank-point)
12882 (defvar bookmark-current-buffer)
12884 (defun gnus-summary-bookmark-make-record ()
12885 "Make a bookmark entry for a Gnus summary buffer."
12887 (unless (and (derived-mode-p 'gnus-summary-mode) gnus-article-current)
12888 (save-restriction ; FIXME is it necessary to widen?
12889 (widen) (setq pos (point))) ; Set position in gnus-article buffer.
12890 (setq buf "art") ; We are recording bookmark from article buffer.
12891 (setq bookmark-yank-point (point))
12892 (setq bookmark-current-buffer (current-buffer))
12893 (gnus-article-show-summary)) ; Go back in summary buffer.
12894 ;; We are now recording bookmark from summary buffer.
12895 (unless buf (setq buf "sum"))
12896 (let* ((subject (elt (gnus-summary-article-header) 1))
12897 (grp (car gnus-article-current))
12898 (art (cdr gnus-article-current))
12899 (head (gnus-summary-article-header art))
12900 (id (mail-header-id head)))
12902 ,@(condition-case nil
12903 (bookmark-make-record-default 'no-file 'no-context pos)
12904 (wrong-number-of-arguments
12905 (bookmark-make-record-default 'point-only)))
12906 (location . ,(format "Gnus-%s %s:%d:%s" buf grp art id))
12907 (group . ,grp) (article . ,art)
12908 (message-id . ,id) (handler . gnus-summary-bookmark-jump)))))
12911 (defun gnus-summary-bookmark-jump (bookmark)
12912 "Handler function for record returned by `gnus-summary-bookmark-make-record'.
12913 BOOKMARK is a bookmark name or a bookmark record."
12914 (let ((group (bookmark-prop-get bookmark 'group))
12915 (article (bookmark-prop-get bookmark 'article))
12916 (id (bookmark-prop-get bookmark 'message-id))
12917 (buf (car (split-string (bookmark-prop-get bookmark 'location)))))
12918 (gnus-fetch-group group (list article))
12919 (gnus-summary-insert-cached-articles)
12920 (gnus-summary-goto-article id nil 'force)
12921 ;; FIXME we have to wait article buffer is ready (only large buffer)
12922 ;; Is there a better solution to know that?
12923 ;; If we don't wait `bookmark-default-handler' will have no chance
12924 ;; to set position. However there is no error, just wrong pos.
12926 (when (string= buf "Gnus-art")
12928 (bookmark-default-handler
12930 (buffer . ,(current-buffer))
12931 . ,(bookmark-get-bookmark-record bookmark)))))
12933 (gnus-summary-make-all-marking-commands)
12935 (gnus-ems-redefine)
12937 (provide 'gnus-sum)
12939 (run-hooks 'gnus-sum-load-hook)
12941 ;; Local Variables:
12942 ;; coding: iso-8859-1
12945 ;;; gnus-sum.el ends here